CN209992158U - Vehicle rear protection testing device - Google Patents
Vehicle rear protection testing device Download PDFInfo
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- CN209992158U CN209992158U CN201920944188.3U CN201920944188U CN209992158U CN 209992158 U CN209992158 U CN 209992158U CN 201920944188 U CN201920944188 U CN 201920944188U CN 209992158 U CN209992158 U CN 209992158U
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- vehicle
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- fixed base
- rear protection
- plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 230000000903 blocking effect Effects 0.000 claims abstract description 34
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- 230000009286 beneficial effect Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000013475 authorization Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a protection testing arrangement behind vehicle can solve the complicated problem of testing arrangement structure among the prior art. The vehicle rear protection testing device comprises a fixed base and a hydraulic loading device, wherein the fixed base is used for being fixed on the ground, the hydraulic loading device is arranged on the fixed base, and the hydraulic loading device is used for pushing the rear protection of a vehicle to be tested so as to realize the loading of the rear protection; the vehicle rear protection testing device also comprises a wheel blocking device; the wheel blocking device is provided with a wheel blocking part, and the wheel blocking part is used for blocking the front of the wheel along the advancing direction of the vehicle; a pulling structure for pulling the wheel blocking device to prevent the vehicle from moving forwards is arranged between the wheel blocking device and the fixed base.
Description
Technical Field
The utility model relates to a vehicle protector detection area, concretely relates to protection testing arrangement behind vehicle.
Background
For the security when improving the vehicle and bumping, technical staff can install rear protection structure additional at the vehicle afterbody, and when examining the vehicle among the prior art, also can detect rear protection structure's intensity. For example, patent documents with an authorization notice number of CN207585927U and an authorization notice date of 2018.07.06 disclose a rear protection testing device for an automobile, which includes a movably arranged oil cylinder, a piston rod in the oil cylinder is used for pushing a rear protection structure of a vehicle to be tested, and a positioning mechanism for preventing the vehicle from moving is further arranged in the device.
The positioning mechanism comprises a stand column fixed relative to the bottom surface, the stand column is fixed on the left side and the right side of a vehicle to be measured when in use, a fixing piece moving along the vertical direction is arranged on the stand column, a positioning hole for the steel wire rope to penetrate is formed in the fixing piece, an operator fixes the auxiliary beam of the automobile chassis by penetrating the steel wire rope on the stand column, and accordingly the automobile is prevented from moving towards the direction of the automobile head. The problems are that: in the process of testing the rear protection, an operator needs to adjust the position of the fixing piece on the stand column, so that when the steel wire rope is connected with the automobile chassis, the pulling force of the steel wire rope on the whole automobile and the pushing force of the piston rod act on the same horizontal direction to ensure the stability of the automobile during testing, and the whole structure is more complex to move by means of the stand column.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a protection testing arrangement behind vehicle can solve among the prior art testing arrangement structure complex problem.
In order to achieve the above object, the utility model provides a protection testing arrangement adopts following technical scheme behind the vehicle:
the vehicle rear protection testing device comprises a fixed base and a hydraulic loading device, wherein the fixed base is used for being fixed on the ground, the hydraulic loading device is arranged on the fixed base, and the hydraulic loading device is used for pushing the rear protection of a vehicle to be tested so as to realize the loading of the rear protection;
the vehicle rear protection testing device also comprises a wheel blocking device;
the wheel blocking device is provided with a wheel blocking part, and the wheel blocking part is used for blocking the front of the wheel along the advancing direction of the vehicle;
a pulling structure for pulling the wheel blocking device to prevent the vehicle from moving forwards is arranged between the wheel blocking device and the fixed base.
The beneficial effects are that: through the wheel stop device that tractive structure and fixed baseplate link to each other, directly arrange in wheel the place ahead when using, the wheel can receive stopping of wheel blocking portion among the wheel stop device when the back protection receives top thrust, relies on the wheel to restrict the removal of vehicle with the produced tractive force of tractive structure and the cooperation relation of wheel blocking portion, the utility model discloses well wheel stop device is through moving with wheel cooperation restriction, need not link to each other with vehicle chassis and avoid the vehicle to remove like setting up the stand among the prior art, simple structure.
Further, the wheel stopping device comprises a ground supporting seat, a stopping plate matched with the wheel stopping is arranged on the ground supporting seat, the plate surface of the stopping plate is an inclined plate surface and faces to the rear upper part of the vehicle when in use, and the stopping plate forms a wheel stopping part of the wheel stopping device;
the connection point of the traction structure and the ground support seat is positioned below the part of the plate surface, which is used for being in contact with the wheels.
The beneficial effects are that: the wheel stopping device has the advantages that the wheel stopping part is formed by the aid of the stopping plate which is arranged in an inclined mode, the loading force for pushing a vehicle to move forwards can be balanced by the ground supporting seat through the inclined surface of the stopping plate, and compared with the prior art, the vehicle wheel stopping device does not need to consider the roll moment of the upright column when the upright column is used, and the connecting point of the traction structure and the ground supporting seat is located below the position, in which the plate surface is used for being in contact with the wheel, so that the stability of the wheel stopping device can be guaranteed.
Further, the pulling structure comprises a chain arranged between the fixed base and the ground support seat.
The beneficial effects are that: use chain and couple cooperation, simple structure to the chain directly hooks on the couple, operating personnel can change different chain links on the chain and couple the cooperation and change the distance between protection testing arrangement behind the vehicle and the vehicle, can enough adjust the position of protection testing arrangement behind the vehicle through the parking position of vehicle, also can utilize the flexibility of chain to arrange wheel stop device, and it is more convenient to operate.
Furthermore, a hook matched with the traction structure is arranged on the fixed base, and the hook is provided with an opening for taking the hook down from the traction structure.
The beneficial effects are that: the hook is used for hooking the traction structure, the structure is simple, and the disassembly and the assembly are convenient.
Further, the fixed baseplate is of a plate body structure, and the hook is arranged on the side edge of the plate surface of the fixed baseplate, which is close to the vehicle.
The beneficial effects are that: the hook is arranged on the side edge of the surface of the fixed base, and the hook is stressed without great influence on the fixed base, so that the stability of the fixed base is ensured.
Furthermore, a sliding seat which is movably arranged in a direction perpendicular to the action direction of the loading force is arranged on the fixed base, and the hydraulic loading device is arranged on the sliding seat;
a guide rail is arranged on the fixed base, and a sliding block which is in guide fit with the guide rail is correspondingly arranged on the sliding seat;
the guide rails are arranged at intervals along the action direction of the loading force, a hook plate for hooking the guide rails when the sliding seat deflects is arranged on the sliding block close to one side of the vehicle, and the sliding block far away from one side of the vehicle is supported and arranged on the corresponding guide rail.
The beneficial effects are that: the hook plate hooks the guide rail when the sliding seat deflects, so that the sliding seat can be prevented from deflecting, and the structure is simple.
Drawings
Fig. 1 is a schematic structural view of a vehicle rear protection testing device according to the present invention;
FIG. 2 is a schematic structural view of a fixing base portion of the present invention;
fig. 3 is a schematic structural view of a wheel stopping device portion of the present invention;
in the figure: 10-rear protection; 11-a wheel; 20-a fixed base; 201-front side rail; 202-trailing side rail; 21-a hydraulic cylinder; 22-a piston rod; 221-pressure head; 25-a sliding seat; 251-a front side slider; 252-a rear slider; 26-a second motor; 27-a guide post; 28-a guide seat; 29-hanging hooks; 30-a ground support seat; 31-a stop plate; 32-a pull ring; 40-a chain; 50-countersunk head screw.
Detailed Description
The following describes a specific embodiment of the rear protection testing device for a vehicle according to the present invention with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, it is an embodiment of the rear protection testing device for a vehicle of the present invention: the vehicle rear protection testing device comprises a fixed base 20, and the fixed base 20 is fixed with the ground when in use. The fixing base 20 is shaped as a plate material provided with a through hole through which a fastening member passes. The upper side of the fixed base 20 face is provided with a sliding seat 25, the face of the fixed base 20 facing the sliding seat 25 is provided with two parallel guide rails, the face of the sliding seat facing the fixed base 20 is provided with a sliding block matched with the guide rails, and the sliding of the sliding seat 25 on the fixed base 20 is realized through the matching of the sliding block and the guide rails. In the figure, the position of the head of the vehicle is taken as the front, the position of the tail of the vehicle is taken as the rear, and the extending directions of the two guide rails are the left and right directions.
The sliding seat 25 is provided with a hydraulic loading device for pushing the rear protection 10 of the vehicle to be tested so as to load the rear protection 10, the hydraulic loading device is used for slowly applying pressure to the rear protection 10, and an operator can test the strength of the rear protection 10 by observing whether the pressure of the rear protection 10 is deformed within a certain time. The hydraulic loading device comprises a hydraulic cylinder 21, a piston rod 22 in the hydraulic cylinder 21 is used for pushing the rear guard 10 in the vehicle, and a pressure head 221 is arranged at one end of the piston rod 22, which is used for being in contact with the rear guard 10. A guide post 27 extending in the up-down direction is provided on the top surface of the sliding seat 25, a guide seat 28 is provided on the guide post 27, the guide seat 28 is driven by the first motor to move up and down on the guide post 27, and the hydraulic cylinder 21 is provided on the guide seat 28, so that the adjustment of the position of the hydraulic cylinder in the up-down direction can be realized. A second motor 26 is provided on the plate surface of the slide holder 25, and the second motor 26 can drive the slide holder 25 to move in the extending direction of the guide rail, that is, in the left-right direction. Through the cooperation of the first motor and the second motor, the relative position of the piston rod 22 and the rear guard 10 in the vehicle can be changed, so that an operator can test a plurality of positions of the rear guard conveniently.
As shown in fig. 3, the vehicle rear protection testing device further includes a wheel stopping device engaged with the wheel 11 of the vehicle to be tested, the wheel stopping device includes a ground supporting seat 30 disposed on the ground, and a stopping plate 31 disposed on the ground supporting seat 30 and being inclined to engage with the wheel 11 in a stopping manner. The surface of the stop plate 31 as the wheel stop part is inclined, in the horizontal direction, one side of the stop plate 31 close to the wheel center is lower than the side far away from the wheel center, and the stop plate 31 inclines to the lower part of the wheel. On the side of the ground support base 30 facing the wheel, a screw with an axis extending along the horizontal direction is screwed, the end of the screw is provided with a pull ring 32, the pull ring 32 is connected with a chain 40 as a pulling structure, the position of the pull ring 32 is below the contact position of the plate surface of the stop plate 31 and the wheel 11, and the other end of the chain 40 is hooked on a hook 29 arranged on the fixed base 20. The hook 29 is provided on the side of the fixed base 20 plate surface near the wheel 11, and the hook 29 has an opening to be removed from the chain 40. The ground support 30, the chain 40 and the hook 29 are correspondingly disposed on the left and right wheels of the vehicle to ensure that the vehicle is prevented from moving forward by the resistance of the stop plate 31 in the left and right directions.
When piston rod 22 among the hydraulic loading device slowly exerts pressure and pushes away back protection 10, also can receive the reaction force of back protection 10, reaction force can make hydraulic loading device and sliding seat 25 have and use left right direction as the axle, the motion trend of turning on one side away from wheel 11 towards, for making sliding seat 25 remain stable, the utility model provides a protection testing arrangement adopts following design behind the vehicle: two guide rails arranged at intervals along the front-rear direction are of different structures, the guide rail close to the wheel 11 is defined as a front side guide rail 201, the guide rail far away from the wheel 11 is defined as a rear side guide rail 202, the section of the front side guide rail 201 is rectangular, the front side guide rail 201 is fixed on the fixed base 20 through a countersunk screw 50, a protrusion extending along the front-rear direction is arranged on the side surface, close to the wheel 11, of the front side guide rail 201, a front side sliding block 251 matched with the front side guide rail 201 is provided with a sliding part in sliding fit with the top surface of the front side guide rail 201, an L-shaped hook plate extending downwards from the sliding part is further arranged, the hook plate is positioned in a space below the protrusion when the front side sliding block 251 is in guiding fit with the front side guide rail 201, and the hook plate can hook. The rear rail 202 has a rectangular cross section and is also fixed to the fixed base 20 by a countersunk screw 50, a rear slider 252 fitted to the rear rail 202 has a recessed cross section, and the top of the rear rail 202 is inserted into the recess of the rear slider 252 so that the rear slider 252 is supported by the rear rail 202.
In other embodiments, the wheel blocking devices and the wheels may be matched in other manners, for example, the size of the wheel blocking devices is increased, so that the wheels on the left and right sides in the vehicle can be simultaneously blocked by one wheel blocking device, and the pulling structure is connected in the middle of the wheel blocking device matched with the vehicles on the two sides, and is not limited to the scheme that the wheel blocking devices are respectively arranged on the left and right sides of the vehicle.
In other embodiments, the wheel stopping device may also adopt other structures, for example, the stopping plate connected to the ground supporting seat is arranged in the vertical direction, and the wheel directly abuts against the plate surface of the stopping plate; or the inclination direction of the stop plate is changed, one side of the stop plate, which is far away from the tail of the vehicle, is lower than one side of the stop plate, which is close to the tail of the vehicle, and the wheels can be extruded into a stop space formed by the stop plate and the ground when the vehicle is subjected to hydraulic loading; or the stop plate can be an arc-shaped plate with an arc-shaped plate surface, and the arc-shaped plate can be matched with the arc surface of the wheel to limit the movement of the wheel.
In other embodiments, the wheel stopping device may not be provided with a ground supporting seat, but the stopping plate is directly connected to the fixed base through the pulling structure, the stopping plate may be an arc-shaped plate, a flat plate arranged along a vertical direction, or a flat plate arranged obliquely, and at this time, two pulling structures need to be provided on upper and lower sides of the stopping plate to ensure the connection stability of the stopping plate.
In other embodiments, both ends of the chain as a part of the pulling structure can be movably connected, and a hook for hooking the chain is required to be arranged on the ground supporting seat; or the two ends of the chain are respectively fixedly connected with the ground supporting seat and the fixed base.
In other embodiments, a rod capable of bearing axial load may be used instead of the chain, two ends of the rod are respectively hinged to the ground support seat and the fixed base, and the hinge axis extends in the left-right direction, so that the rod can generate a pulling effect on the bottom support seat.
In other embodiments, hydraulic loading device can be fixed and set up on fixed baseplate, adjusts the contact position of hydraulic loading device and back protection through changing parking position, and in the test process, can guarantee the stability when the vehicle parks through the length that changes vehicle left and right sides tractive structure, promptly the vehicle receive load power can not with the skew of loading power effect direction.
The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The vehicle rear protection testing device comprises a fixed base and a hydraulic loading device, wherein the fixed base is used for being fixed on the ground, the hydraulic loading device is arranged on the fixed base, and the hydraulic loading device is used for pushing the rear protection of a vehicle to be tested so as to realize the loading of the rear protection;
the method is characterized in that:
the vehicle rear protection testing device also comprises a wheel blocking device;
the wheel blocking device is provided with a wheel blocking part, and the wheel blocking part is used for blocking the front of the wheel along the advancing direction of the vehicle;
a pulling structure for pulling the wheel blocking device to prevent the vehicle from moving forwards is arranged between the wheel blocking device and the fixed base.
2. The vehicle rear protection test device according to claim 1, wherein: the wheel blocking device comprises a ground supporting seat, a blocking plate matched with the wheel block is arranged on the ground supporting seat, the plate surface of the blocking plate is an inclined plate surface and faces to the rear upper part of the vehicle when in use, and the blocking plate forms a wheel blocking part of the wheel blocking device;
the connection point of the traction structure and the ground support seat is positioned below the part of the plate surface, which is used for being in contact with the wheels.
3. The vehicle rear protection test device according to claim 2, wherein: the traction structure comprises a chain arranged between the fixed base and the ground support seat.
4. The vehicle rear protection test device according to claim 2, wherein: the fixed base is provided with a hook matched with the traction structure, and the hook is provided with an opening for taking the hook down from the traction structure.
5. The vehicle rear protection test device according to claim 4, wherein: the fixed baseplate is of a plate body structure, and the hook is arranged on the side edge of the plate surface of the fixed baseplate, which is close to the vehicle.
6. The vehicle rear protection test device according to any one of claims 2 to 4, wherein: the fixed base is provided with a sliding seat which is movably arranged in a direction vertical to the action direction of the loading force, and the hydraulic loading device is arranged on the sliding seat;
a guide rail is arranged on the fixed base, and a sliding block which is in guide fit with the guide rail is correspondingly arranged on the sliding seat;
the guide rails are arranged at intervals along the action direction of the loading force, a hook plate for hooking the guide rails when the sliding seat deflects is arranged on the sliding block close to one side of the vehicle, and the sliding block far away from one side of the vehicle is supported and arranged on the corresponding guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920944188.3U CN209992158U (en) | 2019-06-21 | 2019-06-21 | Vehicle rear protection testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920944188.3U CN209992158U (en) | 2019-06-21 | 2019-06-21 | Vehicle rear protection testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209992158U true CN209992158U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920944188.3U Expired - Fee Related CN209992158U (en) | 2019-06-21 | 2019-06-21 | Vehicle rear protection testing device |
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|---|---|
| CN (1) | CN209992158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113749A (en) * | 2019-06-21 | 2020-12-22 | 河南森源重工有限公司 | Vehicle rear protection testing device |
-
2019
- 2019-06-21 CN CN201920944188.3U patent/CN209992158U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113749A (en) * | 2019-06-21 | 2020-12-22 | 河南森源重工有限公司 | Vehicle rear protection testing device |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |