CN221199719U - Test equipment of accelerometer - Google Patents

Abstract

The utility model discloses test equipment of an accelerometer, which mainly comprises a test box, a base, a rotating mechanism and a fixing mechanism, wherein the base is fixedly arranged at the bottom of the test box, one end of the rotating mechanism is arranged in the test box, the other end of the rotating mechanism is positioned outside the test box, the fixing mechanism is connected with the rotating mechanism, and the fixing mechanism is used for fixing the accelerometer. The method is simple to operate, has good stability, does not need other tools in the process of disassembling and assembling the accelerometer, and can save time required by disassembling and assembling the accelerometer, thereby improving the testing efficiency.

Description

Test equipment of accelerometer

Technical Field

The utility model relates to the technical field of accelerometer testing, in particular to testing equipment of an accelerometer.

Background

An accelerometer is a meter that measures the linear acceleration of a vehicle. The accelerometer consists of a detection mass (also called sensitive mass), a support, a potentiometer, a spring, a damper and a shell.

The accelerometer needs to be tested for long-term stability after being produced, the accelerometer is mounted on precision rotating equipment such as an index head and the like during testing, the accelerometer is realized through equipment rotation, the conventional technical center is usually fixed by using screw mounting, and when a plurality of accelerometers need to be tested simultaneously, the mounting and dismounting time is long, and the testing efficiency is greatly reduced by means of tools, so that the problem of the accelerometer is solved by providing the testing equipment

Disclosure of utility model

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a test equipment of accelerometer, mainly includes test box, base, rotary mechanism and fixed establishment, base fixed mounting is in the bottom of test box, rotary mechanism's one end is installed in the test box, rotary mechanism's the other end is located the outside of test box, fixed establishment with rotary mechanism is connected, fixed establishment is used for fixing the accelerometer.

As a preferred embodiment of the test device for an accelerometer according to the utility model, wherein: the rotary mechanism comprises a rotary motor fixedly connected with the inside of the test box, a rotary shaft fixedly connected with the output end of the rotary motor and a rotary disk fixedly connected with one end of the rotary shaft, which is far away from the rotary motor, wherein the rotary disk is positioned outside the test box, the rotary shaft penetrates through the test box, the rotary shaft is rotatably connected with the test box through a bearing, and the fixing mechanism is connected with one side, far away from the rotary shaft, of the rotary disk.

As a preferred embodiment of the test device for an accelerometer according to the utility model, wherein: the rotating mechanism further comprises an arc-shaped groove positioned below the rotating disc and a plurality of rollers rotationally connected with the inner wall of the arc-shaped groove, the rotating disc is fixedly connected with the test box through a fixed rod, the rollers are arranged in the arc-shaped groove in an annular array, and the outer ends of the rollers are connected with the rotating disc.

As a preferred embodiment of the test device for an accelerometer according to the utility model, wherein: the periphery of the rotating disc is provided with a rotating groove, and the outer end of the roller is in rolling connection with the rotating groove.

As a preferred embodiment of the test device for an accelerometer according to the utility model, wherein: an access port is formed in one side of the test box, and an access door is fixedly mounted at the access port.

As a preferred embodiment of the test device for an accelerometer according to the utility model, wherein: the fixed mechanisms are arranged in a plurality and are arranged on the rotating disk in an annular array;

The fixed mechanism comprises a fixed clamping plate fixedly connected with the rotary disk, a movable clamping plate corresponding to the fixed clamping plate, a movable rod fixedly connected with one side, away from the fixed clamping plate, of the movable clamping plate, a sliding sleeve arranged outside the movable rod, a pull rod fixedly connected with one end, away from the movable clamping plate, of the movable rod, a first spring fixedly connected between the pull rod and the sliding sleeve, and a stable component connected with the sliding sleeve and the movable rod, wherein the sliding sleeve is fixedly connected with the rotary disk, the movable clamping plate is in sliding connection with the rotary disk, and the first spring is arranged outside the movable rod in a sliding sleeve mode.

As a preferred embodiment of the test device for an accelerometer according to the utility model, wherein: the stabilizing assembly comprises a limiting rod connected with the sliding sleeve and the movable rod in a clamping mode, a hollow structure is arranged in the limiting rod, a pair of movable plates are arranged in the limiting rod in a sliding mode, the movable plates are fixedly connected through a plurality of second springs, a pair of movable plates are fixedly connected with protruding blocks on one sides, away from each other, of the movable plates, and one sides, away from the movable plates, of the protruding blocks penetrate out of the limiting rod in a movable mode and are connected with the movable rod.

As a preferred embodiment of the test device for an accelerometer according to the utility model, wherein: the sliding sleeve is provided with a first clamping groove on one side far away from the rotating disc, a second clamping groove is formed in the corresponding position of the movable rod and the first clamping groove, the limiting rod is connected with the first clamping groove and the second clamping groove in a clamping mode, the inner side wall of the second clamping groove is provided with a groove for the use of the protruding block, and the protruding block is connected with the groove in a clamping mode.

The utility model has the beneficial effects that:

When the accelerometer is used, the movable clamping plate is driven to move to one side far away from the fixed clamping plate through the pull rod until the accelerometer can be extruded into a position between the fixed clamping plate and the movable clamping plate, then the pull rod is loosened, the movable clamping plate is clamped on the surface of the accelerometer under the action of the resilience force of the first spring, the accelerometer can be fixed, then the arc clamping plate is prevented from retreating in the rotating process through the cooperation of the stabilizing component, the sliding sleeve and the movable clamping plate, the stability of the accelerometer can be ensured, the whole operation is simple, other tools are not needed, the accelerometer is convenient to install and detach, and the testing efficiency can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional structure of the present utility model.

Fig. 3 is a schematic structural view of the rotating mechanism of the present utility model.

Fig. 4 is a schematic structural view of an arc-shaped groove of the present utility model.

Fig. 5 is a schematic diagram of a connection structure between a rotating disc and a fixing mechanism according to the present utility model.

Fig. 6 is a schematic partial structure of the fixing mechanism of the present utility model.

Fig. 7 is a schematic diagram of the explosive structure of fig. 6.

FIG. 8 is a schematic exploded view of the stabilizing assembly of the present utility model.

In the figure: 100. a test box; 101. an access door; 200. a base; 300. a rotation mechanism; 301. a rotating electric machine; 302. a rotation shaft; 303. a rotating disc; 304. an arc-shaped groove; 305. a roller; 306. a rotary groove; 400. a fixing mechanism; 401. a fixed clamping plate; 402. a movable clamping plate; 403. a movable rod; 404. a sliding sleeve; 405. a pull rod; 406. a first spring; 407. a stabilizing assembly; 407-1, a limit rod; 407-2, a moving plate; 407-3, a second spring; 407-4, bumps; 408. a first engagement groove; 409. a second engagement groove; 410. a groove.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to FIGS. 1-8, for one embodiment of the present utility model, an accelerometer testing apparatus is provided, comprising, in general

The test box 100, as shown in fig. 1, an access hole is formed in one side of the test box 100, and an access door 101 is fixedly mounted at the access hole through screws, so that the rotating motor 301 can be overhauled, maintained and the like conveniently;

The base 200 is fixedly arranged at the bottom of the test box 100 in a welding mode;

2-3, one end of the rotating mechanism 300 is installed in the test box 100, the other end of the rotating mechanism 300 is located outside the test box 100, the rotating mechanism 300 comprises a rotating motor 301 fixedly connected with the inside of the test box 100 through bolts, a rotating shaft 302 fixedly connected with the output end of the rotating motor 301, and a rotating disc 303 fixedly connected with one end, far away from the rotating motor 301, of the rotating shaft 302, the rotating disc 303 is located outside the test box 100, the rotating shaft 302 penetrates through the test box 100, and the rotating shaft 302 is rotatably connected with the test box 100 through a bearing, so that the rotating shaft 302 can stably rotate;

The fixing mechanism 400, as shown in fig. 1, is connected with one side of the rotating disk 303 far away from the rotating shaft 302, the fixing mechanism 400 is used for fixing the accelerometers, the fixing mechanism 400 is provided with four annular arrays and is arranged on the rotating disk 303, and a plurality of accelerometers can be fixed at the same time, so that the test efficiency is improved.

During the use, fix the accelerometer on rotary disk 303 through fixed establishment 400, when testing, drive rotation axis 302 through rotating electrical machines 301 and rotate, rotation axis 302 drives rotary disk 303 and rotates, and rotary disk 303 drives the accelerometer that is fixed through fixed establishment 400 and rotate and can test, after the test is accomplished, remove the fixed accelerometer and take off the accelerometer from rotary disk 303, accomplish the test.

Specifically, as shown in fig. 4, the rotating mechanism 300 further includes an arc-shaped groove 304 located below the rotating disc 303 and a plurality of rollers 305 rotatably connected with the inner wall of the arc-shaped groove 304, the rotating disc 303 is fixedly connected with the test box 100 through a fixing rod, the rollers 305 are arranged in the arc-shaped groove 304 in a ring array, a rotating groove 306 is formed in the peripheral side of the rotating disc 303, the outer end of the rollers 305 is in rolling connection with the rotating groove 306, and the rotating mechanism has the advantages that when the rotating disc 303 rotates along the rotating shaft 302, the rotating groove 306 in the peripheral side of the rotating disc 303 rotates along the rollers 305, so that a guiding effect is achieved, and the rotating disc 303 has a certain supporting effect through the rollers 305, so that the rotating disc 303 can rotate more stably.

Specifically, as shown in fig. 5-7, the fixing mechanism 400 includes a fixed clamping plate 401 fixedly connected with the rotating disk 303, a movable clamping plate 402 corresponding to the fixed clamping plate 401, a movable rod 403 fixedly connected with one side of the movable clamping plate 402 away from the fixed clamping plate 401, a sliding sleeve 404 slidably sleeved outside the movable rod 403, a pull rod 405 fixedly connected with one end of the movable rod 403 away from the movable clamping plate 402, a first spring 406 fixedly connected between the pull rod 405 and the sliding sleeve 404, and a stabilizing component 407 fixedly connected with the sliding sleeve 404 and the movable rod 403, the sliding sleeve 404 is fixedly connected with the rotating disk 303, the movable clamping plate 402 is slidably connected with the rotating disk 303, the first spring 406 is slidably sleeved outside the movable clamping rod 403, and through the elastic action of the first spring 406, the movable clamping plate 402 has a certain clamping force on the accelerometer, so that the accelerometer can be clamped and fixed, and in addition, the fixed clamping plate 401 and the movable clamping plate 402 are clamped in a fitting manner with the surface of the accelerometer, so that the clamping effect can be improved;

As shown in FIG. 8, the stabilizing assembly 407 comprises a limit rod 407-1 which is in clamping connection with the sliding sleeve 404 and the movable rod 403, wherein the limit rod 407-1 is internally of a hollow structure, a pair of movable plates 407-2 are slidably arranged in the limit rod 407-1, the pair of movable plates 407-2 are fixedly connected through a plurality of second springs 407-3, one side of the movable plate 407-2 is arranged outside the limit rod 407-1, the purpose of the arrangement is that the movable plate 407-2 is conveniently driven to press the second springs 407-3 through the extended movable plate 407-2, the side of the pair of movable plates 407-2, which are far away from each other, is fixedly connected with a lug 407-4, one side of the lug 407-4, which is far away from the movable plate 407-2, is movably penetrated out from the inside of the limit rod 407-1 and is connected with the movable rod 403, one side of the sliding sleeve 404, which is far away from the rotary disc 303, is provided with a first clamping groove 408, the second clamping groove 409 is formed in the position, corresponding to the first clamping groove 408, of the movable rod 403, the limiting rod 407-1 is connected with the first clamping groove 408 and the second clamping groove 409 in a clamping mode, the groove 410 is formed in the opposite use mode of the inner side wall of the second clamping groove 409 and the protruding block 407-4, the protruding block 407-4 is connected with the groove 410 in a clamping mode, the movable rod 403 and the sliding sleeve 404 can be fixed together, limiting effect on the movable rod 403 is achieved, when the rotating disc 303 drives the fixing mechanism 400 and the accelerometer to rotate, the movable clamping plate 402 in the fixing mechanism 400 cannot retreat under the action of centrifugal force, stability of the accelerometer can be guaranteed, operation is simple, other tools are not needed, mounting and dismounting efficiency is high, and testing efficiency can be improved.

In combination, when the accelerometer is used, one hand drives the movable rod 403 and the movable clamp plate 402 to move to one side far away from the fixed clamp plate 401 through the pull rod 405, the first spring 406 is stretched, the other hand squeezes the accelerometer between the movable clamp plate 402 and the fixed clamp plate 401, after squeezing, the pulling force on the pull rod 405 is released, under the action of the resilience force of the first spring 406, the movable clamp plate 402 has a clamping effect on the accelerometer, so that the accelerometer can be initially fixed, then the stabilizing component 407 is taken out, then the second spring 407-3 is squeezed through the pair of movable plates 407-2, the second spring 407-3 is compressed, the protruding block 407-4 is accommodated in the limiting rod 407-1, the limiting rod 407-1 is in clamping connection with the first clamping groove 408 and the second clamping groove 409, under the action of the resilience force of the first spring 406, the protruding block-4 is released from the inner part of the second spring 407-3 under the action of the resilience force of the second spring 407-3, and the corresponding protruding block 407-4 is out of the limiting rod and penetrates through the corresponding groove 410, so that the accelerometer can not be firmly inserted into the movable clamp plate 402, and the accelerometer can be firmly inserted into the limiting rod 402, and the movement can be guaranteed;

After the accelerometer is fixed, the rotating motor 301 is started, the output end of the rotating motor 301 drives the rotating shaft 302 to rotate, the rotating shaft 302 drives the rotating disc 303 to rotate, the rotating disc 303 stably rotates under the supporting and guiding actions of the roller 305, the rotating disc 303 drives the clamped accelerometer to rotate through the fixing mechanism 400, the accelerometer can be tested, after the test is finished, the second spring 407-3 is extruded through the pair of moving plates 407-2, the second spring 407-3 is compressed, the protruding blocks 407-4 are extracted from the grooves 410 and are stored in the limiting rods 407-1, then the limiting rods 407-1 are extracted from the first clamping grooves 408 and the second clamping grooves 409, limiting on the movable rods 403 can be removed, after the limiting is removed, the movable rods 403 and the movable clamping plates 402 are driven to move in the direction away from the accelerometer through the pull rods 405, the accelerometer can be removed, the accelerometer can be fixed, the operation is simple, the time required by disassembly and assembly and disassembly can be saved without using other tools, and therefore the test efficiency can be improved.

Notably, are: the whole device controls the implementation of the device through the controller, and the controller is common equipment, belongs to the prior art, and the electrical connection relation and the specific circuit structure of the device are not repeated here.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (8)

1. A test device for an accelerometer, comprising:

a test box (100);

The base (200) is fixedly arranged at the bottom of the test box (100);

A rotating mechanism (300), wherein one end of the rotating mechanism (300) is installed in the test box (100), and the other end of the rotating mechanism (300) is positioned outside the test box (100);

And the fixing mechanism (400) is connected with the rotating mechanism (300), and the fixing mechanism (400) is used for fixing the accelerometer.

2. The accelerometer testing apparatus of claim 1, wherein: the rotary mechanism (300) comprises a rotary motor (301) fixedly connected with the inside of the test box (100), a rotary shaft (302) fixedly connected with the output end of the rotary motor (301) and a rotary disk (303) fixedly connected with one end of the rotary shaft (302) away from the rotary motor (301), wherein the rotary disk (303) is positioned outside the test box (100), the rotary shaft (302) penetrates through the test box (100) and is rotationally connected with the test box (100) through a bearing, and the fixing mechanism (400) is connected with one side of the rotary disk (303) away from the rotary shaft (302).

3. The test apparatus for an accelerometer as claimed in claim 2, wherein: the rotating mechanism (300) further comprises an arc-shaped groove (304) positioned below the rotating disc (303) and a plurality of rollers (305) rotationally connected with the inner wall of the arc-shaped groove (304), the rotating disc (303) is fixedly connected with the test box (100) through a fixed rod, the rollers (305) are arranged in the arc-shaped groove (304) in an annular array, and the outer ends of the rollers (305) are connected with the rotating disc (303).

4. The test apparatus for an accelerometer of claim 3, wherein: a rotary groove (306) is formed in the peripheral side of the rotary disc (303), and the outer end of the roller (305) is in rolling connection with the rotary groove (306).

5. The accelerometer testing apparatus of claim 1, wherein: an access hole is formed in one side of the test box (100), and an access door (101) is fixedly arranged at the access hole.

6. The test apparatus for an accelerometer as claimed in claim 2, wherein: the fixed mechanisms (400) are arranged in a plurality and are arranged on the rotating disc (303) in an annular array;

The fixed mechanism (400) comprises a fixed clamping plate (401) fixedly connected with the rotating disc (303), a movable clamping plate (402) corresponding to the fixed clamping plate (401), a movable rod (403) fixedly connected with one side, far away from the fixed clamping plate (401), of the movable clamping plate (402), a sliding sleeve (404) sleeved outside the movable rod (403), a pull rod (405) fixedly connected with one end, far away from the movable clamping plate (402), of the movable rod (403), a first spring (406) fixedly connected between the pull rod (405) and the sliding sleeve (404) and a stabilizing component (407) connected with the movable rod (403), the sliding sleeve (404) is fixedly connected with the rotating disc (303), the movable clamping plate (402) is in sliding connection with the rotating disc (303), and the first spring (406) is sleeved outside the movable rod (403) in a sliding mode.

7. The accelerometer testing apparatus of claim 6, wherein: the stabilizing assembly (407) comprises a limiting rod (407-1) which is connected with the sliding sleeve (404) and the movable rod (403) in a clamping mode, wherein the limiting rod (407-1) is of a hollow structure, a pair of movable plates (407-2) are arranged in the limiting rod (407-1) in a sliding mode, the movable plates (407-2) are fixedly connected through a plurality of second springs (407-3), one sides, far away from each other, of the movable plates (407-2) are fixedly connected with a lug (407-4), and one side, far away from the movable plates (407-2), of the lug (407-4) movably penetrates out of the limiting rod (407-1) and is connected with the movable rod (403).

8. The accelerometer testing apparatus of claim 7, wherein: the sliding sleeve (404) is far away from one side of the rotating disc (303) and is provided with a first clamping groove (408), a second clamping groove (409) is formed in a position, corresponding to the first clamping groove (408), of the movable rod (403), the limiting rod (407-1) is connected with the first clamping groove (408) and the second clamping groove (409) in a clamping mode, a groove (410) is formed in the inner side wall of the second clamping groove (409) and the opposite use of the protruding block (407-4), and the protruding block (407-4) is connected with the groove (410) in a clamping mode.