CN219727779U - Suspension assembly of trailer and trailer - Google Patents
Suspension assembly of trailer and trailer Download PDFInfo
- Publication number
- CN219727779U CN219727779U CN202320932982.2U CN202320932982U CN219727779U CN 219727779 U CN219727779 U CN 219727779U CN 202320932982 U CN202320932982 U CN 202320932982U CN 219727779 U CN219727779 U CN 219727779U
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- China
- Prior art keywords
- trailer
- fixedly connected
- bracket
- spring
- suspension assembly
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- 239000000725 suspension Substances 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 claims description 20
- 230000035939 shock Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000029087 digestion Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Abstract
The utility model provides a suspension assembly of a trailer and the trailer, comprising: the bottom of the frame is sequentially and fixedly connected with a front bracket, a middle bracket and a rear bracket respectively, and the middle bracket is pivoted with a balancing bracket; the two leaf springs are respectively arranged between the balance frame and the front bracket and between the balance frame and the rear bracket; the buffer tube, buffer tube fixed connection in the top of plate spring seat, the bottom fixedly connected with connection pad in the buffer tube, the inner wall fixedly connected with block of buffer tube, the top fixedly connected with bracing piece of connection pad. According to the utility model, when a vehicle runs, the movable rod drives the sliding sleeve to slide on the surface of the sliding rod, vibration is distributed on the first spring and the second spring, the stress of the digestion leaf spring is quickly absorbed, the damping effect is improved, the damping block can buffer the horizontal force of the supporting rod, the damping effect of the device is further improved, the abrasion of the leaf spring is reduced, and the running safety is effectively ensured.
Description
Technical Field
The utility model relates to the technical field of trailer suspension, in particular to a suspension assembly of a trailer and the trailer.
Background
At present, a leaf spring balance suspension is adopted in a trailer suspension, and the suspension bracket of the trailer can be subjected to the action of alternating load due to the influence of road surface unevenness and the influence of alternating load generated in the starting and braking working condition of a vehicle in actual running, and under the repeated action of the alternating load, cracks can occur to initiate and expand, sudden fracture is caused, and potential safety hazards are reserved. Because the vibration problem of vehicle when the transportation can influence the service mass and the life of vehicle, in order to solve the influence that the vibration brought, in the frame structure of trailer, the balancing stand reduces the vibration that comes from wheel and suspension through the swing under different road surface conditions, and leaf spring stretches into the length of balancing stand limited, if meet the highway section of jolting in-process of driving, make the balancing arm swing amplitude too big, make leaf spring bounce from top to bottom, easily cause leaf spring excessive wear and even produce the fracture when serious, influence vehicle life, seriously influence driving safety.
Accordingly, there is a need for a suspension assembly for a trailer and a trailer that solve the above-mentioned problems.
Disclosure of Invention
The utility model provides a suspension assembly of a trailer and the trailer, which solve the problems that when a road section is bumpy in the driving process, the swing amplitude of a balance arm is overlarge, a leaf spring is sprung up and down, and the leaf spring is easy to break even when excessive abrasion is serious, and the service life of a vehicle is influenced.
In order to solve the technical problems, the suspension assembly of the trailer and the trailer provided by the utility model comprise: the bottom of the frame is sequentially and fixedly connected with a front bracket, a middle bracket and a rear bracket respectively, and the middle bracket is pivoted with a balancing bracket;
the two leaf springs are respectively arranged between the balance frame and the front bracket and between the balance frame and the rear bracket;
the buffer cylinder is fixedly connected to the top end of the plate spring seat, the bottom in the buffer cylinder is fixedly connected with a connecting pad, the inner wall of the buffer cylinder is fixedly connected with a blocking block, the top end of the connecting pad is fixedly connected with a supporting rod, and two sides of the supporting rod are hinged with movable rods;
the installation shell, installation shell fixed connection in the bottom of frame, be provided with the slide bar in the installation shell, the surface symmetry cover of slide bar is equipped with the sliding sleeve, the bottom of sliding sleeve is articulated with the top of movable rod, two fixedly connected with first spring between the sliding sleeve, two the equal fixedly connected with second spring of opposite side of sliding sleeve.
Preferably, both ends of the sliding rod are rotationally connected with the inner wall of the installation shell, external threads are symmetrically arranged on the surface of the sliding rod, a movable plate is screwed on the surface of the external threads, the movable plate is slidably connected with the inner wall of the installation shell, and one end of the sliding rod extends to the outside of the installation shell and is fixedly connected with a knob.
Preferably, two the movable rod is provided with arc spring leaf, the both ends of arc spring leaf all articulate with one side of movable rod, the top of arc spring leaf is contradicted with the bottom of installation shell, fixedly connected with third spring between the bottom of arc spring leaf and the top of bracing piece.
Preferably, the block is made of rubber, and a plurality of blocks are uniformly arranged on the inner wall of the buffer cylinder.
Preferably, the bottom of leaf spring is provided with the leaf spring seat, be provided with damping device between leaf spring seat and front bracket, well support and the back support respectively.
Preferably, the damping device is configured as a hydro-pneumatic spring cylinder or a damper.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the trailer comprises the suspension assembly of the trailer.
Compared with the related art, the suspension assembly of the trailer and the trailer provided by the utility model have the following beneficial effects:
the utility model provides a suspension assembly of a trailer and the trailer, wherein when a vehicle runs, a movable rod drives a sliding sleeve to slide on the surface of a sliding rod, vibration is distributed on a first spring and a second spring, the stress of a digested steel plate spring is quickly absorbed, the damping effect is improved, and a blocking block can buffer the force of a supporting rod in the horizontal direction, so that the damping effect of the device is further improved, the abrasion of the steel plate spring is reduced, and the running safety is effectively ensured.
Drawings
FIG. 1 is a schematic view of a first embodiment of a trailer suspension assembly and trailer provided by the present utility model;
FIG. 2 is an enlarged view of a portion of the view shown in FIG. 1;
fig. 3 is an enlarged view of the portion a shown in fig. 2.
Reference numerals in the drawings: 1. the device comprises a frame, 101, a front support, 102, a middle support, 103, a rear support, 3, a balance frame, 4, a steel plate spring, 5, a plate spring seat, 6, a damping device, 7, a mounting shell, 8, a sliding rod, 9, a sliding sleeve, 10, a first spring, 11, a second spring, 12, a buffer tube, 13, a connecting pad, 14, a blocking block, 15, a supporting rod, 16, a movable rod, 17, an external thread, 18, a movable plate, 19, a knob, 20, an arc-shaped spring piece, 21 and a third spring.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1-2 in combination, fig. 1 is a schematic structural diagram of a suspension assembly of a trailer and a first embodiment of the trailer according to the present utility model; FIG. 2 is an enlarged view of a portion of the view shown in FIG. 1; fig. 3 is an enlarged view of the portion a shown in fig. 2. A suspension assembly for a trailer and a trailer comprising: the vehicle frame 1, wherein the bottom of the vehicle frame 1 is fixedly connected with a front bracket 101, a middle bracket 102 and a rear bracket 103 in sequence, and a balance frame 3 is pivoted on the middle bracket 102;
two leaf springs 4, the two leaf springs 4 are set up between balancing stand 3 and front support 101 and back support 103 separately;
the buffer cylinder 12 is fixedly connected to the top end of the plate spring seat 5, the bottom in the buffer cylinder 12 is fixedly connected with a connecting pad 13, the inner wall of the buffer cylinder 12 is fixedly connected with a blocking block 14, the top end of the connecting pad 13 is fixedly connected with a supporting rod 15, and two sides of the supporting rod 15 are hinged with movable rods 16;
the installation shell 7, installation shell 7 fixed connection in the bottom of frame 1, be provided with slide bar 8 in the installation shell 7, the surface symmetry cover of slide bar 8 is equipped with sliding sleeve 9, the bottom of sliding sleeve 9 is articulated with the top of movable rod 16, two fixedly connected with first spring 10 between the sliding sleeve 9, two the opposite side of sliding sleeve 9 is all fixedly connected with second spring 11.
The both ends of slide bar 8 are connected with the inner wall rotation of installation shell 7, the surface symmetry of slide bar 8 is provided with external screw thread 17, the surface spiro union of external screw thread 17 has fly leaf 18, fly leaf 18 and the inner wall sliding connection of installation shell 7, the one end of slide bar 8 extends to the outside of installation shell 7 and fixedly connected with knob 19.
The external thread 17 on the surface of the slide bar 8 is in threaded transmission with the movable plate 18 through the rotary knob 19, so that the two movable plates 18 are driven to move in opposite directions, the elasticity of the first spring 10 and the second spring 11 is adjusted, and the use flexibility is improved.
The two movable rods 16 are provided with arc-shaped spring pieces 20, two ends of each arc-shaped spring piece 20 are hinged to one side of each movable rod 16, the top of each arc-shaped spring piece 20 is abutted to the bottom of the installation shell 7, and a third spring 21 is fixedly connected between the bottom of each arc-shaped spring piece 20 and the top of each supporting rod 15.
By the aid of the arc-shaped elastic piece 20, when the movable rod 16 moves, the arc-shaped elastic piece 20 is abutted against the mounting shell 7, so that the third spring 21 is stressed to compress or expand, and the buffering and shock absorbing effects are improved.
The block 14 is made of rubber, and a plurality of blocks are uniformly arranged on the inner wall of the buffer cylinder 12.
The bottom of leaf spring 4 is provided with leaf spring seat 5, leaf spring seat 5 is provided with damping device 6 respectively with preceding support 101, well support 102 and back support 103 between.
Through damping device 6, reduce the focus height of leaf spring 4 to with leaf spring 4 the distance nearer, effectively promoted the shock attenuation effect.
The damping device 6 is arranged as a hydro-pneumatic spring cylinder or a damper, and the hydro-pneumatic spring cylinder or the damper can slow down and adjust the vibration of the vehicle body when the balance frame 3 swings, so that the vibration deformation of the leaf spring 4 is reduced, and the service life of the leaf spring 4 is prolonged.
The suspension assembly of the trailer provided by the utility model and the working principle of the trailer are as follows:
when the shock absorber is used, during bumping in the driving process, the mounting shell 7 at the bottom of the frame 1 is pressed downwards, the movable rod 16 drives the sliding sleeve 9 to slide on the surface of the sliding rod 8, vibration is distributed on the first spring 10 and the second spring 11, the stress of the digestive leaf spring 20 is quickly absorbed, the shock absorption effect is improved, the supporting rod 15 bears pressure, the connecting pad 13 is buffered in the buffer cylinder 12, the force of the supporting rod in the horizontal direction can be buffered by the blocking block 14, the buffering effect of the shock absorber is further improved, the abrasion of the leaf spring is reduced, and the driving safety is effectively ensured.
Compared with the related art, the suspension assembly of the trailer and the trailer provided by the utility model have the following beneficial effects:
the utility model provides a suspension assembly of a trailer and the trailer, when a vehicle runs, a movable rod 16 drives a sliding sleeve 9 to slide on the surface of a sliding rod 8, vibration is distributed on a first spring 10 and a second spring 11, the stress of a digested steel plate spring 20 is quickly absorbed, the damping effect is improved, and a block 14 can buffer the force of a supporting rod in the horizontal direction, so that the damping effect of the device is further improved, the abrasion of the steel plate spring is reduced, and the running safety is effectively ensured.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A suspension assembly for a trailer, comprising: the bottom of the frame is sequentially and fixedly connected with a front bracket, a middle bracket and a rear bracket respectively, and the middle bracket is pivoted with a balancing bracket;
the two leaf springs are respectively arranged between the balance frame and the front bracket and between the two leaf springs and the rear bracket, and leaf spring seats are arranged at the bottoms of the leaf springs;
the buffer cylinder is fixedly connected to the top end of the plate spring seat, the bottom in the buffer cylinder is fixedly connected with a connecting pad, the inner wall of the buffer cylinder is fixedly connected with a blocking block, the top end of the connecting pad is fixedly connected with a supporting rod, and two sides of the supporting rod are hinged with movable rods;
the installation shell, installation shell fixed connection in the bottom of frame, be provided with the slide bar in the installation shell, the surface symmetry cover of slide bar is equipped with the sliding sleeve, the bottom of sliding sleeve is articulated with the top of movable rod, two fixedly connected with first spring between the sliding sleeve, two the equal fixedly connected with second spring of opposite side of sliding sleeve.
2. The suspension assembly of the trailer according to claim 1, wherein two ends of the slide bar are rotatably connected with an inner wall of the installation shell, external threads are symmetrically arranged on the surface of the slide bar, a movable plate is screwed on the surface of the external threads, the movable plate is slidably connected with the inner wall of the installation shell, and one end of the slide bar extends to the outside of the installation shell and is fixedly connected with a knob.
3. The suspension assembly of a trailer according to claim 1, wherein two of the movable rods are provided with arc-shaped spring pieces, both ends of each of the arc-shaped spring pieces are hinged to one side of the movable rod, the top of each of the arc-shaped spring pieces is abutted to the bottom of the mounting shell, and a fixedly connected portion is provided between the bottom of each of the arc-shaped spring pieces and the top of the supporting rod.
4. The suspension assembly of the trailer of claim 1, wherein the stop blocks are made of rubber, and a plurality of stop blocks are uniformly arranged on the inner wall of the buffer cylinder.
5. The suspension assembly of a trailer as claimed in claim 1, wherein shock absorbing means are provided between the spring mounts and the front, middle and rear brackets, respectively.
6. The suspension assembly of a trailer as in claim 5, wherein the shock absorbing means is provided as a hydro-pneumatic spring cylinder or shock absorber.
7. A trailer comprising a frame, a front bracket, a middle bracket, a rear bracket and a counterweight of a suspension assembly of the trailer of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932982.2U CN219727779U (en) | 2023-04-19 | 2023-04-19 | Suspension assembly of trailer and trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320932982.2U CN219727779U (en) | 2023-04-19 | 2023-04-19 | Suspension assembly of trailer and trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219727779U true CN219727779U (en) | 2023-09-22 |
Family
ID=88051140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320932982.2U Active CN219727779U (en) | 2023-04-19 | 2023-04-19 | Suspension assembly of trailer and trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219727779U (en) |
-
2023
- 2023-04-19 CN CN202320932982.2U patent/CN219727779U/en active Active
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