CN210555203U - Rear suspension structure of cab - Google Patents
Rear suspension structure of cab Download PDFInfo
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- CN210555203U CN210555203U CN201921544562.7U CN201921544562U CN210555203U CN 210555203 U CN210555203 U CN 210555203U CN 201921544562 U CN201921544562 U CN 201921544562U CN 210555203 U CN210555203 U CN 210555203U
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- shock absorber
- cab
- hydraulic lock
- suspension structure
- rubber
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Abstract
The utility model discloses a suspension structure behind driver's cabin belongs to car structural optimization technical field. The rubber shock absorber is adopted to replace the traditional spiral spring shock absorber, and the locking of the cab is realized through the matching of the rubber shock absorber and the hydraulic lock. This structural design is reasonable, and used spare part is few, and safe and reliable, and shared space is few, has reduced the degree of difficulty of arranging of suspension structure behind the vehicle. The suspension upper connecting seat where the rubber shock absorber is located and the cab body longitudinal beam are rigidly connected into a whole, and the requirement on the rigidity of a vehicle can be met. The rubber shock absorber has the advantages of low cost, small mass, convenience in installation and disassembly, good shock absorption effect, contribution to crossing a resonance area, attenuation of high-frequency vibration and noise, much smaller elastic modulus than metal, capability of generating larger elastic deformation, higher impact rigidity than static rigidity and dynamic rigidity, contribution to impact deformation and particular suitability for vehicles with larger cab weight.
Description
Technical Field
The utility model belongs to the technical field of car configuration optimization, concretely relates to suspension structure behind driver's cabin.
Background
The weight of a cab of a vehicle, particularly an armored vehicle, is generally larger, so that the rigidity requirement on the rear suspension of the cab is higher, if the rigidity requirement is required to be met by the conventional spiral spring shock absorber, the volume of the shock absorber needs to be increased, and the arrangement difficulty of the rear suspension structure adopting the conventional spiral spring shock absorber is very large for the vehicle which is originally lack in space.
Disclosure of Invention
In order to solve the problem, an object of the utility model is to provide a suspension structure behind driver's cabin, used spare part is few, and safe and reliable, shared space is few, has reduced the degree of difficulty of arranging of suspension structure behind the vehicle.
The utility model discloses a realize through following technical scheme:
the utility model discloses a rear suspension structure of a cab, which comprises a suspension upper connecting seat, a rubber shock absorber, a locking pin shaft, a catch, a hydraulic lock and a hydraulic lock connecting seat; the suspension upper connecting seat comprises a connecting part and a damping part, 2 damper mounting seat rings are arranged on the damping part, a space is reserved between the 2 damper mounting seat rings, and 2 rubber dampers are respectively arranged in the 2 damper mounting seat rings and are sleeved on the locking pin shaft in a penetrating manner; the blocking piece is sleeved on the locking pin shaft in a penetrating manner and is fixed through the limiting device, and the blocking piece is used for fixing the rubber shock absorber in the shock absorber mounting seat ring; the hydraulic lock is fixedly connected with the hydraulic lock connecting seat, and a locking pin shaft positioned between the 2 shock absorber mounting seat rings is matched with the hydraulic lock; when the longitudinal beam of the cab body is pressed downwards, the hydraulic lock is locked, and the locking pin shaft is limited and fixed; when the suspension type cab body longitudinal beam connecting device is used, the suspension upper connecting seat is fixedly connected with a cab body longitudinal beam through the connecting portion, and the hydraulic lock connecting seat is fixedly connected with a frame.
Preferably, the limiting device is a split pin, the locking pin shaft is provided with a pin hole, and the split pin is inserted into the pin hole to fix the separation blade.
Preferably, the limiting device is a nut, the locking pin shaft is provided with a thread matched with the nut, and the nut is screwed with the thread to fix the blocking piece.
Further preferably, the nut is a self-locking nut.
Preferably, the cross-sectional area of the flap is larger than that of the rubber bumper.
Preferably, the opening of the damper mounting race toward one end of the flap is larger than the cross-sectional area of the rubber damper, and the opening of the other end is smaller than the cross-sectional area of the rubber damper.
Preferably, the rubber damper is a bidirectional rubber damper.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a suspension structure behind driver's cabin adopts rubber shock absorber ware to replace traditional coil spring bumper shock absorber to realize the locking of driver's cabin through the cooperation of rubber shock absorber ware and hydraulic pressure lock. This structural design is reasonable, and used spare part is few, and safe and reliable, and shared space is few, has reduced the degree of difficulty of arranging of suspension structure behind the vehicle. The suspension upper connecting seat where the rubber shock absorber is located and the cab body longitudinal beam are rigidly connected into a whole, and the requirement on the rigidity of a vehicle can be met. The rubber shock absorber has the advantages of low cost, small mass, convenience in installation and disassembly, good shock absorption effect, contribution to crossing a resonance area, attenuation of high-frequency vibration and noise, much smaller elastic modulus than metal, capability of generating larger elastic deformation, higher impact rigidity than static rigidity and dynamic rigidity, contribution to impact deformation and particular suitability for vehicles with larger cab weight.
Furthermore, the limiting device adopts a cotter pin, so that the structure is simple and the fixation is firm.
Furthermore, the limiting device adopts a nut, the stop piece can be limited in 360-degree circumferential direction, and the structure is safe and reliable.
Furthermore, the nut adopts a self-locking nut, so that the looseness caused by bumping when the vehicle runs can be prevented, and the reliability is further improved.
Furthermore, the cross-sectional area of separation blade is greater than the cross-sectional area of rubber shock absorber, and because of the elastic deformation that rubber shock absorber produced is great, the separation blade can restrict rubber shock absorber lateral deformation, makes to warp mainly for circumferential deformation, improves the shock attenuation effect.
Furthermore, the rubber shock absorber adopts a bidirectional rubber shock absorber, the rigidity of the shock absorber is greater than that of the vertical direction in the driving direction of the automobile, certain comfort can be ensured in the vertical direction when the automobile normally drives, and meanwhile, the shock absorber cannot be greatly damaged in emergency braking.
Drawings
Fig. 1 is an exploded view of the rear suspension structure of the cab of the present invention;
fig. 2 is a schematic view of the installation position of the rear suspension structure of the cab of the present invention.
In the figure: 1 is the suspension upper junction seat, 2 is rubber shock absorber, 3 is stop device, 4 is the locking round pin axle, 5 is the separation blade, 6 is the hydraulic lock, and 7 is the hydraulic lock connecting seat.
Detailed Description
The invention is described below with reference to the accompanying drawings:
fig. 1 shows a rear suspension structure of a cab of the present invention, which includes a suspension upper connection seat 1, a rubber damper 2, a locking pin 4, a catch 5, a hydraulic lock 6 and a hydraulic lock connection seat 7; the suspension upper connecting seat 1 comprises a connecting part and a damping part, 2 damper mounting seat rings are arranged on the damping part, a space is reserved between the 2 damper mounting seat rings, and 2 rubber dampers 2 are respectively arranged in the 2 damper mounting seat rings and sleeved on the locking pin shaft 4 in a penetrating manner; the separation blade 5 is sleeved on the locking pin shaft 4 in a penetrating manner and is fixed through the limiting device 3.
In an embodiment of the present invention, the limiting device 3 employs a split pin, and a pin hole is provided on the locking pin 4, and the split pin is inserted into the pin hole to fix the catch 5.
In another embodiment of the utility model, stop device 3 adopts the nut, be equipped with on the locking round pin axle 4 with nut complex screw thread, the nut is through screwing with the screw thread with separation blade 5 fixed. Preferably, the nut is a self-locking nut.
The hydraulic lock 6 is fixedly connected with a hydraulic lock connecting seat 7, and a locking pin shaft 4 positioned between the 2 shock absorber mounting seat rings is matched with the hydraulic lock 6; when the longitudinal beam of the cab body is pressed downwards, the hydraulic lock 6 is locked, and the locking pin shaft 4 is limited and fixed; the baffle 5 is circular and has a cross-sectional area larger than that of the rubber damper 2.
As shown in fig. 2, a connecting part of the suspension upper connecting seat 1 is provided with a plurality of connecting holes, and is fixedly connected with a longitudinal beam of a cab body through a fastener to form a rigid integral structure; the hydraulic lock connecting seat 7 is provided with a plurality of connecting holes and is fixedly connected with the frame through a fastener to form a rigid integral structure.
The rubber damper 2 can adopt a bidirectional rubber damper, the rigidity of the damper is greater than the vertical direction in the driving direction of the automobile, certain comfort can be ensured in the vertical direction when the automobile normally drives, and meanwhile, the damper cannot be greatly damaged in emergency braking.
The utility model discloses a suspension structure's behind driver's cabin theory of operation:
on connecting seat 1 transmitted locking round pin axle 4 on the weight of vehicle driver's cabin passes through the suspension, when driver's cabin body longeron pushed down, hydraulic lock 6 will be with 4 spacing locking of locking round pin axle to produce the extrusion to rubber shock absorber 2, rubber shock absorber 2 absorbs the energy and produces elastic deformation, thereby reach absorbing purpose.
It should be noted that the above description is only one of the embodiments of the present invention, and all equivalent changes made by the device described in the present invention are included in the protection scope of the present invention. The technical field of the present invention can be replaced by other embodiments described in a similar manner, without departing from the structure of the present invention or exceeding the scope defined by the claims, which belong to the protection scope of the present invention.
Claims (7)
1. A cab rear suspension structure is characterized by comprising a suspension upper connecting seat (1), a rubber shock absorber (2), a locking pin shaft (4), a blocking piece (5), a hydraulic lock (6) and a hydraulic lock connecting seat (7); the suspension upper connecting seat (1) comprises a connecting part and a damping part, 2 shock absorber mounting seat rings are arranged on the damping part, a space is reserved between the 2 shock absorber mounting seat rings, and 2 rubber shock absorbers (2) are respectively arranged in the 2 shock absorber mounting seat rings and are sleeved on the locking pin shaft (4) in a penetrating manner; the blocking piece (5) is sleeved on the locking pin shaft (4) in a penetrating manner and is fixed through the limiting device (3), and the blocking piece (5) is used for fixing the rubber damper (2) in the damper mounting seat ring; the hydraulic lock (6) is fixedly connected with the hydraulic lock connecting seat (7), and a locking pin shaft (4) between the 2 shock absorber mounting seat rings is matched with the hydraulic lock (6); when the longitudinal beam of the cab body is pressed downwards, the hydraulic lock (6) is locked, and the locking pin shaft (4) is limited and fixed;
when the suspension type cab longitudinal beam locking device is used, the suspension upper connecting seat (1) is fixedly connected with a cab body longitudinal beam through a connecting part, and the hydraulic lock connecting seat (7) is fixedly connected with a frame.
2. The rear suspension structure of a cab as claimed in claim 1, wherein the limiting device (3) is a cotter pin, and the locking pin (4) is provided with a pin hole, and the cotter pin is inserted into the pin hole to fix the blocking piece (5).
3. The rear suspension structure of the cab as claimed in claim 1, wherein the limiting device (3) is a nut, the locking pin (4) is provided with a thread which is matched with the nut, and the nut fixes the blocking piece (5) by screwing with the thread.
4. The cab rear suspension structure according to claim 3, wherein the nut is a self-locking nut.
5. Cab rear suspension structure according to claim 1, wherein the cross-sectional area of the flap (5) is larger than the cross-sectional area of the rubber damper (2).
6. A cab rear suspension structure according to claim 1, wherein the opening of the damper mount race toward the flap (5) is larger than the cross-sectional area of the rubber damper (2), and the opening at the other end is smaller than the cross-sectional area of the rubber damper (2).
7. Cab rear suspension structure according to claim 1, wherein the rubber damper (2) is a bidirectional rubber damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921544562.7U CN210555203U (en) | 2019-09-17 | 2019-09-17 | Rear suspension structure of cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921544562.7U CN210555203U (en) | 2019-09-17 | 2019-09-17 | Rear suspension structure of cab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210555203U true CN210555203U (en) | 2020-05-19 |
Family
ID=70675227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921544562.7U Active CN210555203U (en) | 2019-09-17 | 2019-09-17 | Rear suspension structure of cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210555203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112829839A (en) * | 2021-03-15 | 2021-05-25 | 东风汽车股份有限公司 | Light truck cab and optimization method thereof |
-
2019
- 2019-09-17 CN CN201921544562.7U patent/CN210555203U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112829839A (en) * | 2021-03-15 | 2021-05-25 | 东风汽车股份有限公司 | Light truck cab and optimization method thereof |
| CN112829839B (en) * | 2021-03-15 | 2022-07-22 | 东风汽车股份有限公司 | Light truck cab and optimization method thereof |
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