The spring plate of the semi trailer is properly installed

1. The utility model relates to the technical field of semi-trailer, in particular to a semi-trailer axle spring plate installation and positioning device.
Background Technology:

2. Spring plate, flat rectangular steel plate is curved, with several pieces of stacked chassis spring, one end is installed on the hanger, the other end is connected to the beam with the lifting lug, so that the spring can be telescopic. At present, it is applicable to some non-bearing body of hard vehicles and medium and large cargo trucks, among which, it is especially widely used in semi-trailer.

3. The existing technology, at the ends of the spring steel plate through the pin shaft fixed on the lower end of the semi-trailer frame, when the spring steel plate need to change pin at the ends of the need to remove, and then will spring steel plate is removed, install the new spring plate through the pin shaft can be fixed, but the change of the fixed way to make spring steel plate efficiency is low, Thus affect the efficiency of maintenance personnel.

Technical implementation elements:

4. The purpose of the utility model is to solve the problem of low replacement efficiency of spring plate in the prior art, and a semi-trailer axle spring plate installation positioning device is proposed.

5. In order to achieve the above purposes, the utility model adopts the following technical scheme:

6. A semi-trailer axle spring plate installation positioning device, including a semi-trailer frame and spring plate, also comprises a fixed plate, arranged at the lower end of the frame, wherein the spring plate is fixed at the lower end of the fixed plate; Trapezoidal piece, a fixed link at the bottom of the frame, the, among them, described with the top of the fixed plate is equipped with cooperate with trapezoid block of trapezoidal groove, groove, installed in the sidewalls of the frame, among them, the described device slot with multiple positioning plate, within the described device slot bottom sets and positioning plate with multiple sliding hole, on end face of trapezoid block is equipped with multiple positioning plate locating slot, The inner top of the device groove is provided with an elastic tensioning mechanism connected with a plurality of positioning plates.

7. In order to drive the positioning plate elastic jacking in the positioning slot, preferably, the elastic clamping mechanism comprises a pressing plate sliding connected on the top of the device groove, and the pressing plate is connected with the inner top of the device groove through an clamping spring.

8. In order to improve the stability of the trapezoidal block in the trapezoidal groove, further, both sides of the trapezoidal block are provided with a chute, the two chute are sliding connected with the roof, the two chute are sliding connected with a piston fixed connected with the roof, the inner top of the device groove is fixed with an elastic air bag, The side wall of the elastic air bag is fixed and connected with a connecting pipe connected with a chute.

9. In order to raise the pressure plate more convenient and labor-saving, further, the bottom of the inlet of the device groove is fixedly connected with a supporting horizontal plate.

10. In order to prevent dust from entering the device groove, preferably, the inlet of the device groove is fixed with a cover plate.

11. In order to enhance the friction between the top plate and trapezoidal groove, further, the side wall of the top plate is provided with an anti-slip grain matched with the inner wall of the trapezoidal groove.

12. Compared with the prior art, the utility model provides a semi-trailer axle spring plate installation and positioning device, which has the following beneficial effects:

13.1, the semi-trailer axle spring steel plate installation positioning device, through the pressure plate drives the positioning plate is raised up, and then fixed plate wall of trapezoidal channel card to the frame bottom trapezoid block, let go, and will press plate positioning plate will be arrived in tight card into the positioning groove under the action of the spring, spring steel plate can be completed through fast installation and fixed, thus greatly enhance the work efficiency of maintenance personnel,

14.2, the semi-trailer axle spring steel plate installation positioning device, through the slide down the plate on the elastic air bag, the elastic air bag is the internal gas pressure into the chute, the piston will be under the effect of air pressure drive the roof top in trapezoidal groove, thus reduce the trapezoid block and the space between the trapezoidal channel, to ensure the stability of the trapezoid block.

The appended drawings show

15. Figure 1 is a structural diagram of a semi-trailer axle spring plate installation and positioning device proposed by the utility model;

16. Figure 2 is a schematic diagram of the trapezoidal block axometric structure of a semi-trailer axle spring plate mounting and positioning device proposed by the utility model;

17. Figure 3 is the structure diagram at a in Figure 1 of the installation and positioning device of the spring plate of the axle of a semi-trailer proposed by the utility model;

18. Figure 4 is the structure diagram of position B in Figure 1 of the installation and positioning device of spring plate of axle of a semi-trailer proposed by the utility model.

19. In the picture: 1. 2, fixed plate; 3, spring steel plate; 4, trapezoidal groove; 5, trapezoidal block; 6, device groove; 7, pressure plate; 8, the spring; 9, positioning plate; 10. Positioning slot; 11. Chute; 12, roof; 13, piston; 14, elastic air bag; 15, connecting pipe; 16, slide hole; 17. Support horizontal plate.

Specific mode of implementation

20. The technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the attached drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, but not the whole embodiment.

21. In the description of the utility model, the need to understand is that the term "up", "down", "before" and "after", "left", "right", "top", "bottom", "inside" and "outside" indicates a location or position relations based on the location or position shown in the appended drawings, only is to facilitate the description of this utility model and simplified description, Rather than indicating or implying that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the utility model.

22. Embodiments:

23. Refer to Figure 1

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4, a semi-trailer axle spring plate installation positioning device, including a semi-trailer frame 1 and spring plate 3, also includes: fixed plate 2, is arranged at the lower end of the frame 1, wherein the spring plate 3 is fixed at the lower end of the fixed plate 2; Trapezoidal block 5 is fixed and connected to the lower end of the frame 1, wherein the upper end of the fixed plate 2 is provided with trapezoidal block 5 with trapezoidal groove 4, device groove 6, is arranged on the side wall of the frame 1, wherein the device groove 6 is provided with a plurality of positioning plate 9, the device groove 6 is provided with a plurality of sliding holes with the positioning plate 9 at the bottom of the sliding hole 16, Trapezoidal piece of 5 end equipped with multiple positioning plate 9 with the positioning groove of 10, top of the gear slot within 6 has 9 connected with multiple positioning plate elastic mechanism, before installing the spring steel plate 3 spring steel plate can be installed ahead of schedule 3 to the lower end of the fixed plate 2, when installing a spring steel sheet 3, will locate plate 9 upward, Then fixed plate 2 lateral wall of the trapezoidal channel 4 CARDS to frame 1 bottom trapezoid block 5, positioning positioning plate 9 card into the slot, within 10 to prevent trapezoid block 5 automatic sliding out from trapezoidal channel 4, can complete the rapid installation of spring steel sheet 3 and fixed, thus greatly enhance the working efficiency of the maintenance personnel, elastic cap lock mechanism can prevent 9 automatic positioning plate is loose.

24 elastic clamping mechanism including sliding connected in the device groove 6 inside the top of the plate 7, the plate 7 and the device groove 6 inside the top of the spring 8 elastic connection, clamping plate 7 will be driven under the action of the spring 8 positioning plate 9 in the positioning groove 10, so as to prevent the positioning plate 9 loosening.

25 trapezoidal block 5 on both sides are provided with a chute 11, two chute 11 are sliding connected with the roof 12, the side wall of the roof 12 is provided with a trapezoidal groove 4 inner wall with anti-slip grain, two chute 11 are sliding connected with the roof 12 is fixedly connected with the piston 13, the device groove 6 inside the top is fixed with an elastic air bag 14, Elastic balloon 14 in the lateral wall of the fixed connection with chute 11 connected connecting pipe 15, when press platen 7, 7 will press platen to elastic balloon 14, the airbag 14 is the internal gas pressure into the chute, 11, 13 in piston under the action of air pressure drive 12 top roof in trapezoidal channel 4, thus reduce the trapezoid block the clearance between the trapezoidal groove between 4 and 5, Ensure the stability of trapezoidal block 5.

26. The bottom of the inlet of the device groove 6 is fixedly connected with the supporting horizontal plate 17. When the positioning plate 9 is lifted up, the wrench is put on the upper end of the supporting horizontal plate 17, and then the pressure plate 7 is pry upward through the wrench, so that the pressure plate 7 is lifted up, so that the operation of the lifting plate 7 is more labor-saving.

27. A cover plate is installed in the inlet of device groove 6. The cover plate is not shown in the figure, but in actual use, the cover plate can prevent dust from entering the device groove 6.

28. Working principle: The utility model, before installing the spring steel plate 3 spring steel plate can be installed ahead of schedule 3 to the lower end of the fixed plate 2, when installing a spring steel sheet 3, 7 up will clamp, clamp 7 will drive the positioning plate 9 is raised up, and then fixed plate 2 lateral wall of the trapezoidal channel 4 CARDS to frame 1 bottom trapezoid block 5, and 7 let go will clamp, Platen 7 will be in touch tightly under the action of the spring 8 reset down, thus promote positioning plate 9 card into the positioning groove 10, used to prevent trapezoid block 5 automatic sliding out from trapezoidal channel 4, can complete the rapid installation of spring steel sheet 3 and fixed, thus greatly enhance the working efficiency of the maintenance personnel, in the platen press 7, 7 will press platen to elastic balloon 14, The elastic air bag 14 will press the internal gas into the chute 11, and the piston 13 will drive the top 12 roof in the trapezoidal groove 4 under the action of air pressure, so as to reduce the gap between the trapezoidal block 5 and trapezoidal groove 4, and ensure the stability of the trapezoidal block 5.

29. The above mentioned, only for the specific implementation of the utility model is better, but the breadth of the utility model is not limited to, any familiar with this technology in the field of technical personnel in the utility model disclosed, within the limits of technology according to the technical scheme of the utility model and utility model idea to be equivalent to replace or change, should be covered within the scope of protection of the utility model.