CN220018888U - Adjusting device for collision test - Google Patents

Abstract

The utility model provides an adjusting device for a collision test, which relates to the technical field of equipment for the collision test, and comprises a base, a screw rod, a moving assembly, a driving assembly and a shell; the screw rod is rotationally connected with the base, the driving assembly is in transmission connection with the screw rod, and the moving assembly is in threaded fit with the screw rod; the shell is sleeved outside the screw rod and connected with the base, the moving assembly is provided with a first limiting part, the shell is provided with a second limiting part, and the second limiting part is connected with the first limiting part in a matched mode to limit the moving assembly to rotate around the axis of the screw rod. The driving component drives the screw rod transfer component to move on the screw rod along the extending direction of the screw rod, so that ejection or return action is realized, a single person can use the utility model to finely adjust the position of the collision barrier, the use is convenient, a large amount of time can be saved, the travel of the screw rod is longer, and a user can conveniently control the extending amount of the transfer component, so that the precision of the finely adjusted position is improved.

Description

Adjusting device for collision test

Technical Field

The utility model relates to the technical field of equipment for collision test, in particular to an adjusting device for collision test.

Background

In order to measure the passive safety of the automobile, the automobile needs to be detected through an automobile collision test to obtain a collision result, so that the passive safety of the automobile is scored, and in the automobile collision test, the automobile needs to be driven to strike the collision barrier at multiple angles.

In the process of installing the collision barrier, at least 4 testers are required to complete the test in the whole process in order to meet the requirement of precision, so that the steps of lifting, lowering, aligning holes, entering grooves and the like of heavy lifting equipment adopted in the process of installing the barrier are carried out. After once placing, the collision barrier is placed on the horizontal plane, the precision is difficult to reach the standard, deviation exists between the collision barrier and the preset position, the position of the collision barrier in the horizontal direction needs to be finely adjusted, the above steps need to be repeated for multiple times to finely adjust the position, the utilization rate of human resources is low, the time consumption is long, and the precision is low.

Disclosure of Invention

The utility model aims to provide an adjusting device for a collision test, which is used for solving the technical problems that in the prior art, after one-time placement, the accuracy is difficult to reach the standard when a collision barrier is placed on a horizontal plane, deviation exists between the collision barrier and a preset position, and the adjustment is carried out by adopting heavy hoisting equipment.

The utility model provides an adjusting device for a collision test, which comprises a base, a screw rod, a moving assembly, a driving assembly and a shell, wherein the screw rod is arranged on the base; the screw rod is rotationally connected with the base, the driving assembly is in transmission connection with the screw rod, and the moving assembly is in threaded fit with the screw rod; the casing is sleeved outside the screw rod and is connected with the base, the moving assembly is provided with a first limiting part, the casing is provided with a second limiting part, and the second limiting part is connected with the first limiting part in a matched mode to limit the moving assembly to rotate around the axis of the screw rod.

Further, the moving assembly includes a nut and a support; the nut is in threaded fit with the screw rod; the support piece is sleeved outside the screw rod and connected with the nut.

Further, the support member includes a fixing portion and a support portion; the fixing part is a supporting cylinder, is sleeved outside the screw rod and is connected with the nut; the supporting part is inserted into the supporting cylinder.

Further, the first limiting part is a limiting groove extending along the length direction of the wire rod; the limiting groove is arranged on the outer wall of the supporting cylinder; the second limiting part is a limiting block, and the limiting block is in sliding fit with the limiting groove.

Further, the driving assembly comprises a transmission wheel set, a driving wheel set and a handle; the transmission wheel set comprises a fixed wheel and a transmission wheel; the fixed wheel is fixedly connected with the screw rod to drive the screw rod to rotate, and the driving wheel is in transmission connection with the fixed wheel; the driving wheel set is in transmission connection with the driving wheel; the handle is connected with the driving wheel group.

Further, the driving wheel and the fixed wheel are bevel gears; the driving wheel and the fixed wheel are in meshed fit transmission through gears.

Further, the driving wheel set comprises a rotating wheel, a rotating shaft and a limiting piece, and the rotating wheel is in transmission connection with the driving wheel through the rotating shaft; the periphery of the rotating wheel is provided with a plurality of limiting tooth grooves which are distributed at intervals along the circumferential direction of the rotating wheel, and the limiting piece is detachably connected with each limiting tooth groove in an inserting mode.

Further, the grip includes a housing and a handle; the shell is sleeved outside the rotating shaft and can rotate relative to the rotating wheel, a limiting through hole which is arranged relative to the outer peripheral surface of the rotating shaft is formed in the shell, and the limiting piece is movably connected with the limiting through hole; the handle is detachably inserted on the shell, and the extending direction of the handle is perpendicular to the axis of the rotating shaft.

Further, the side wall of the limiting piece is provided with a limiting straight surface and a guiding inclined surface which are arranged at an included angle; the limiting straight surface is abutted with the groove wall of the limiting tooth groove; the guide inclined plane can slide along the groove wall of the limiting tooth groove.

Further, the base and the shell are welded.

The beneficial effects are that:

the utility model provides an adjusting device for a collision test, which comprises a base, a screw rod, a moving assembly, a driving assembly and a shell, wherein the screw rod is arranged on the base; the screw rod is rotationally connected with the base, the driving assembly is in transmission connection with the screw rod, and the moving assembly is in threaded fit with the screw rod; the shell is sleeved outside the screw rod and connected with the base, the moving assembly is provided with a first limiting part, the shell is provided with a second limiting part, and the second limiting part is connected with the first limiting part in a matched mode to limit the moving assembly to rotate around the axis of the screw rod.

Specifically, when the barrier is installed and the barrier needs to be finely tuned, the base of the utility model can be fixed, and then the driving component is used for enabling the moving component to move along the horizontal direction so as to push the collision barrier to move along the horizontal direction, so that the fine tuning of the position of the collision barrier is realized; according to the utility model, the mode of matching and connecting the screw rod with the driving component is adopted, when the screw rod is horizontally placed, the driving moving component is driven to realize displacement in the horizontal direction on the screw rod, when the collision barrier is installed and fine-tuned, a single person can use the utility model to fine-tune the position of the collision barrier, the use is convenient, a large amount of time can be saved, and the extending amount of the moving component is convenient to control by a user through the longer stroke of the screw rod, so that the precision of the fine-tuned position is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an adjusting device for a crash test according to an embodiment of the present utility model;

FIG. 2 is a diagram showing the relationship between the screw and the nut of the adjusting device for crash test according to the embodiment of the present utility model

FIG. 3 is a schematic view showing the mounting position of a support cylinder of an adjusting device for a crash test according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a driving assembly of an adjusting device for a crash test according to an embodiment of the present utility model.

Icon:

100-base;

200-screw rod;

300-a moving assembly;

310-nut; 320-fixing part; 330-a support;

400-a drive assembly;

410-a transmission wheel set;

411-fixed wheel; 412-a driving wheel;

420-driving a wheel set;

421-rotating a wheel; 422-a limiting piece; 423-a housing; 424-handle;

500-chassis.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model will now be described in further detail with reference to specific examples thereof in connection with the accompanying drawings.

As shown in fig. 1, 2 and 3, the adjusting device for a crash test provided in this embodiment includes a base 100, a screw 200, a moving assembly 300, a driving assembly 400 and a housing 500; the screw rod 200 is rotationally connected with the base 100, the driving assembly 400 is in transmission connection with the screw rod 200, and the moving assembly 300 is in threaded fit with the screw rod 200; the casing 500 is sleeved outside the screw rod 200 and is connected with the base 100, the moving assembly 300 is provided with a first limiting part, the casing 500 is provided with a second limiting part, and the second limiting part and the first limiting part are connected in a matched mode to limit the moving assembly 300 to rotate around the axis of the screw rod 200.

When the device is used, the screw rod 200 is driven to rotate by the driving assembly 400, the moving assembly 300 is used for realizing the limit in the horizontal direction under the cooperation of the first limit part and the second limit part, the moving assembly 300 is used for carrying out displacement along the extending direction of the screw rod 200 on the screw rod 200, so that the jacking or falling-back action is realized, when the barrier is installed and needs to be finely tuned, the base 100 can be fixed, the adjusting device for the collision test is horizontally placed, the screw rod 200 is enabled to extend in the horizontal direction, then the moving assembly 300 is driven to move along the extending direction of the screw rod 200 to push the collision barrier, and the collision barrier is enabled to move in the horizontal direction, so that the fine adjustment on the position of the collision barrier is realized; according to the embodiment of the utility model, the screw rod 200 is connected with the driving assembly 400 in a matched manner, the driving moving assembly 300 is driven to realize displacement along the extending direction of the screw rod 200 on the screw rod 200, when the collision barrier is installed and fine-tuned, a single person can use the utility model to fine-tune the position of the collision barrier, the use is convenient, a large amount of time can be saved, and the user can conveniently control the extending amount of the moving assembly 300 through the longer stroke of the screw rod 200, so that the accuracy of the fine-tuned position is improved.

In this embodiment, the moving assembly 300 includes a nut 310 and a support; the nut 310 is in threaded fit with the screw rod 200; the support is sleeved outside the screw rod 200 and is connected with the nut 310.

The nut 310 is sleeved on the screw rod 200 in a threaded fit manner, the support piece is connected with the nut 310 and then moves along with the nut 310, the first limiting part is arranged on the support piece, after being matched with the second limiting part for limiting, the support piece cannot move vertically along the extending direction of the screw rod 200, and when the screw rod 200 rotates, the support piece cannot move vertically along the extending direction of the screw rod 200 due to the fact that the nut 310 is connected with the support piece, and therefore the nut 310 and the support piece move along the extending direction of the vertical screw rod, and accordingly movement of the support piece is achieved.

In the present embodiment, the support includes a fixing portion 320 and a supporting portion 330; the fixing part 320 is a supporting cylinder, is sleeved outside the screw rod 200, and is connected with the nut 310; the support 330 is inserted into the support cylinder.

Specifically, the support cylinder is sleeved outside the screw rod 200 and is not in contact with the screw rod 200, and in this embodiment, the inner wall of the support cylinder is attached to the outer wall of the nut 310 and then is connected by welding, so that the connection between the nut 310 and the support cylinder is completed. In this embodiment, the supporting portion 330 and the fixing portion 320 are of a detachable connection structure, where the supporting portion 330 in this embodiment is a cylinder with an insert block at the bottom, and the insert block at the bottom of the supporting portion 330 is connected with the nozzle at the top end of the supporting cylinder in a matched manner in a plugging manner, so that connection and detachment of the supporting portion 330 and the fixing portion 320 are achieved, and when supporting objects with different volumes are aimed, according to different areas of supporting surfaces at the joint with the supporting portion 330, the supporting portion 330 with different volumes and different shapes can be adopted, and the use is convenient.

In this embodiment, the first limiting portion is a limiting groove extending along the length direction of the screw 200; the limit groove is arranged on the outer wall of the support cylinder; the second limiting part is a limiting block, and the limiting block is in sliding fit with the limiting groove.

The outer wall of support section of thick bamboo is located along the length direction of lead screw 200 to the spacing groove, and the stopper setting is on casing 500, and the stopper inserts to establish in the spacing groove and can slide in the spacing groove, and the stopper can't realize the removal of perpendicular to the extending direction of lead screw 200 in the spacing groove to realize the pivoted spacing to support section of thick bamboo and nut 310, make support section of thick bamboo and nut 310 only can take place to follow the removal of lead screw 200 extending direction, thereby realize when lead screw 200 takes place to rotate, the effect of the removal of nut 310 and support section of thick bamboo along lead screw 200 extending direction.

Wherein, as an implementation manner, the first limiting part can adopt a limiting block or a limiting bulge structure, and correspondingly, the second limiting part adopts a limiting groove matched with the first limiting part, the limiting groove is formed along the extending direction of the screw rod 200, and the first limiting part and the second limiting part are matched with each other in a mode of matching the limiting block with the limiting groove or in a limiting bulge manner, so that the limiting of the supporting cylinder and the nut 310 is realized.

As shown in fig. 4, in the present embodiment, the driving assembly 400 includes a driving wheel group 420, and a grip; the transmission wheel set 420 comprises a fixed wheel 411 and a transmission wheel 412; the fixed wheel 411 is fixedly connected with the screw rod 200 to drive the screw rod 200 to rotate, and the driving wheel 412 is in transmission connection with the fixed wheel 411; the driving wheel set 420 is in transmission connection with the transmission wheel 412; the grip is connected with the driving wheel group 420.

In use, power is applied to rotate the driving wheel set 420 through the handle, the driving wheel set 420 rotates to drive the driving wheel 412 to rotate, and the fixed wheel 411 rotates under the driving of the driving wheel 412, specifically, in this embodiment, the fixed wheel 411 is fixedly connected with the bottom of the screw 200, so that when the fixed wheel 411 rotates, the screw 200 rotates together with the fixed wheel 411, thereby driving the screw 200.

In this embodiment, the driving wheel 412 and the fixed wheel 411 are bevel gears; the driving wheel 412 is in meshed fit with the fixed wheel 411 through gears.

Bevel gears are commonly used to transfer motion and power between two intersecting axes, in this embodiment, an included angle between two rotating shafts of the driving wheel 412 and the fixed wheel 411 is 90 °, the rotating shaft of the fixed wheel 411 is parallel to the rotating shaft of the screw rod 200, the rotating shaft of the driving wheel 412 is perpendicular to the rotating shaft of the screw rod 200, and the driving wheel 412 and the fixed wheel 411 are meshed through gears to realize transmission.

In this embodiment, the driving wheel set 420 includes a rotating wheel 421, a rotating shaft and a limiting member 422, where the rotating wheel 421 is in transmission connection with the driving wheel 412 through the rotating shaft; the periphery of the rotating wheel 421 is provided with a plurality of limiting tooth grooves which are distributed at intervals along the circumferential direction of the rotating wheel 421, and the limiting piece 422 is detachably connected with each limiting tooth groove in an inserting mode.

The two ends of the rotating shaft are respectively connected with the rotating wheel 421 and the driving wheel 412, the rotating wheel 421 and the driving wheel 412 rotate coaxially, so that the driving connection of the rotating wheel 421 and the driving wheel 412 is realized, the limiting piece 422 is inserted into and pulled out of any one limiting tooth slot on the rotating wheel 421, the connection and the disassembly of the limiting piece 422 and the rotating wheel are realized, the rotating wheel 421 can be rotated when the limiting piece 422 is pushed, the driving of the rotating wheel 421 is realized, and the rotating wheel 421 is rotated and drives the driving wheel 412 to rotate together through the rotating shaft.

As an embodiment, a rotating shaft may be used instead of the rotating wheel 421 and the rotating shaft, the shaft end of the rotating shaft is connected to the rotating shaft of the driving wheel 412, and a limiting groove is formed on the wheel body of the rotating shaft along the circumferential direction so as to insert the limiting member 422.

In this embodiment, the grip includes a housing 423 and a handle 424; the casing 423 is sleeved outside the rotating shaft and can rotate relative to the rotating wheel 421, a limiting through hole which is arranged relative to the outer peripheral surface of the rotating shaft is formed in the casing 423, and the limiting piece 422 is movably connected with the limiting through hole; the handle 424 is detachably inserted into the housing 423, and the extending direction of the handle 424 is perpendicular to the axis of the rotating shaft.

The shell 423 is sleeved outside the rotating shaft and is not in contact with the rotating shaft and the rotating wheel 421, so that the shell 423 and the rotating wheel 421 can rotate relatively, the bottom end of the limiting piece 422 penetrates through the limiting through hole and is inserted into the limiting tooth groove on the rotating wheel 421, the top end of the limiting piece 422 is reserved in the limiting through hole, when the handle 424 is pushed to drive the shell 423 to rotate, the shell 423 drives the limiting through hole to rotate, the side wall of the limiting through hole pushes the limiting piece 422 to move along with the limiting through hole, the rotating wheel 421 is pushed to rotate together to drive the driving wheel 412 to rotate, the handle 424 can prolong the force arm, and therefore the force required by the driving of the shell 423 to push the limiting piece 422 to move is reduced, and a user is more labor-saving.

In this embodiment, the side wall of the limiting member 422 is provided with a limiting straight surface and a guiding inclined surface which are arranged at an included angle; the limiting straight surface is abutted with the groove wall of the limiting tooth groove; the guide inclined plane can slide along the groove wall of the limiting tooth groove.

The limiting straight surface of the limiting piece 422 is abutted with the groove wall of the limiting tooth groove, when the limiting piece 422 is pushed towards the limiting straight surface, the limiting piece 422 can push the rotating wheel 421 to rotate, the guide inclined surface is arranged on the opposite surface of the limiting straight surface, when the limiting piece 422 moves towards the direction deviating from the limiting straight surface, the guide inclined surface moves towards the groove wall of the limiting tooth groove, the guide inclined surface slides upwards along the groove wall after being abutted with the groove wall of the limiting tooth groove, the limiting piece 422 slides towards the groove opening under the action of the guide inclined surface until the limiting tooth groove is separated from the groove wall and is left in the shell 423, after the limiting piece 422 is stopped being pushed, the limiting piece 422 falls into the limiting tooth groove opposite to the limiting tooth groove again under the action of gravity, so that unidirectional limiting of the rotating direction of the rotating wheel 421 is realized, and the rotating wheel 421 cannot reversely rotate.

Specifically, when the handle rotates in one direction, the limiting piece 422 is pushed to move to an angle at which the handle is inconvenient to generate force, the handle can be reversely rotated, and when the handle reversely rotates, the limiting piece 422 slides and is separated from the limiting tooth groove, so that the rotating wheel 421 cannot reversely rotate due to the reverse rotation of the handle.

After pushing and fine-tuning the barrier by using the adjusting device for the crash test, when the adjusting device for the crash test is retrieved and the supporting part 330 and the fixing part 320 need to be moved back to the original position, the limiting piece 422 can be pulled out, the limiting piece 422 is rotated to change the direction of the limiting straight surface and the guiding inclined surface, then the limiting piece 422 with the changed direction is inserted into the limiting tooth socket again, the user can reversely rotate the rotating wheel 421 again by reversely rotating the handle, so that the rotating wheel 421, the driving wheel 412, the fixing wheel 411 and the screw rod 200 reversely rotate, the nut 310 and the supporting cylinder return to move under the action of reversely rotating the screw rod 200, and the supporting part 330 and the supporting cylinder move back to the original positions.

In this embodiment, the base 100 and the casing 500 are welded together.

After the base 100 and the casing 500 are connected in a welding manner, the base 100 and the casing 500 do not rotate relatively, and when the screw rod 200 drives the nut 310 and the support cylinder to rotate, the casing 500 remains fixed and does not rotate along with the support cylinder.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.

Claims (10)

1. An adjusting device for a crash test, comprising: the device comprises a base (100), a screw rod (200), a moving assembly (300), a driving assembly (400) and a shell (500);

the screw rod (200) is rotationally connected with the base (100), the driving assembly (400) is in transmission connection with the screw rod (200), and the moving assembly (300) is in threaded fit with the screw rod (200);

the casing (500) is sleeved outside the screw rod (200) and is connected with the base (100), the moving assembly (300) is provided with a first limiting part, the casing (500) is provided with a second limiting part, and the second limiting part is connected with the first limiting part in a matched mode so as to limit the moving assembly (300) to rotate around the axis of the screw rod (200).

2. The adjustment device for crash test according to claim 1, characterized in that the moving assembly (300) comprises a nut (310) and a support;

the nut (310) is in threaded fit with the screw rod (200);

the support piece is sleeved outside the screw rod (200) and is connected with the nut (310).

3. The adjustment device for crash test according to claim 2, wherein the support member includes a fixing portion (320) and a support portion (330);

the fixing part (320) is a supporting cylinder, is sleeved outside the screw rod (200) and is connected with the nut;

the support part (330) is inserted into the support cylinder.

4. The adjustment device for crash test according to claim 3, wherein the first limit portion is a limit groove extending in a longitudinal direction of the screw (200);

the limiting groove is arranged on the outer wall of the supporting cylinder;

the second limiting part is a limiting block, and the limiting block is in sliding fit with the limiting groove.

5. The adjustment device for crash test according to claim 1, wherein the drive assembly (400) comprises a transmission wheel set (410), a drive wheel set (420) and a grip;

the transmission wheel set (410) comprises a fixed wheel (411) and a transmission wheel (412);

the fixed wheel (411) is fixedly connected with the screw rod (200) to drive the screw rod (200) to rotate, and the driving wheel (412) is in transmission connection with the fixed wheel;

the driving wheel set (420) is in transmission connection with the transmission wheel (412);

the handle is connected with the driving wheel group (420).

6. The adjustment device for crash test according to claim 5, characterized in that the driving wheel (412) and the fixed wheel (411) are bevel gears;

the driving wheel (412) is in meshed transmission with the fixed wheel (411) through gear teeth.

7. The adjusting device for the crash test according to claim 5, wherein the driving wheel set (420) comprises a rotating wheel (421), a rotating shaft and a limiting piece (422), and the rotating wheel (421) is in transmission connection with the driving wheel (412) through the rotating shaft;

the periphery of the rotating wheel (421) is provided with a plurality of limiting tooth grooves which are distributed along the circumferential direction of the rotating wheel (421) at intervals, and the limiting piece (422) is detachably connected with each limiting tooth groove in an inserting mode.

8. The adjustment device for crash test according to claim 7, wherein the grip includes a housing (423) and a handle (424);

the shell (423) is sleeved outside the rotating shaft and can rotate relative to the rotating wheel, a limiting through hole which is arranged relative to the outer peripheral surface of the rotating shaft is formed in the shell (423), and the limiting piece is movably connected with the limiting through hole;

the handle (424) is detachably inserted into the shell (423), and the extending direction of the handle (424) is perpendicular to the axis of the rotating shaft.

9. The adjusting device for the crash test according to claim 8, wherein the side wall of the limiting member (422) is provided with a limiting straight surface and a guiding inclined surface which are arranged at an included angle with each other;

the limiting straight surface is abutted with the groove wall of the limiting tooth groove;

the guide inclined plane can slide along the groove wall of the limiting tooth groove.

10. The crash test adjustment device according to any one of claims 1 to 9, characterized in that the base (100) and the housing (500) are welded.