CN218973522U

CN218973522U - Sensor testing device

Info

Publication number: CN218973522U
Application number: CN202223482639.7U
Authority: CN
Inventors: 刘文强; 刘晓琴; 许素
Original assignee: Nanjing Qiuque Intelligent Technology Co ltd
Current assignee: Nanjing Qiuque Intelligent Technology Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-05-05
Anticipated expiration: 2032-12-24

Abstract

The utility model discloses a sensor testing device which comprises a base and a cylindrical element, wherein the top end of the base is fixedly connected with a testing table through a supporting column, a detection device is arranged on the testing table, sliding grooves which are equidistantly distributed are formed in the top end of the testing table, sliding blocks are slidably arranged in the sliding grooves, clamping blocks are fixedly arranged at the top ends of the sliding blocks, a motor is fixedly arranged in the middle of the top end of the base, a screw rod is fixedly arranged at one end of an output shaft of the motor, a threaded block is connected to the outer portion of the screw rod through threads, a connecting rod corresponding to the sliding blocks is hinged to the outer portion of the threaded block, and one end of the connecting rod is hinged to the bottom end of the sliding block. According to the utility model, the motor is arranged, and drives the screw rod to rotate, so that the threaded block moves up and down, and the threaded block acts on the connecting rod, so that the sliding blocks can move close to each other or move away from each other, thereby realizing clamping and fixing of the cylindrical element, and improving the stability during detection.

Description

Sensor testing device

Technical Field

The utility model relates to the technical field of sensor production, in particular to a sensor testing device.

Background

The sensor is a detecting device, can sense the information of the measured object, can convert the sensed information into an electric signal or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like, and the characteristics of the sensor include microminiaturization, digitization, intellectualization, multifunctionalization, systemization and networking.

In the prior art, as in the patent CN202021683075.1, a pressure testing device for sensor production is disclosed, and the background art in the above patent proposes the defects existing in the prior art: before the test work is carried out, the cylindrical element of the sensor to be detected is inconvenient to fix, so that the cylindrical element is easy to deflect in the detection process, and the accuracy of the detection work is affected; the present utility model is directed to another technical solution to solve the above-mentioned problems.

Disclosure of Invention

The present utility model is directed to a sensor testing device, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a sensor testing arrangement, includes base and cylindrical component, there is the testboard on the top of base through the support column rigid coupling, be provided with check out test set on the testboard, the top of testboard is provided with equidistant spout that distributes, the inside slip of spout is provided with the slider, the fixed clamp block that is provided with in top of slider, the fixed motor that is provided with in top middle part of base, the fixed lead screw that is provided with in output shaft one end of motor, the outside of lead screw has the screw thread piece through threaded connection, the outside of screw thread piece articulates there is the connecting rod that corresponds with the slider, the one end of connecting rod is articulated mutually with the bottom of slider.

As a further improvement scheme of the technical scheme: the middle part of the outer wall of the bottom of the test bench is provided with a bearing seat, and the top end of the screw rod is arranged inside the bearing seat.

As a further improvement scheme of the technical scheme: the outer wall of one side of the clamping block, which is close to the center line of the test bench, is provided with an arc groove, and the outer surface of the arc groove is fixedly provided with a clamping pad made of rubber materials.

As a further improvement scheme of the technical scheme: the detection equipment comprises an L-shaped frame fixedly connected to the outer wall of one side of the test bench, a hydraulic rod is fixedly connected to the top end of the horizontal part of the L-shaped frame, and a detection mechanism is fixedly connected to one end of a piston rod of the hydraulic rod.

As a further improvement scheme of the technical scheme: the inside of pressing from both sides tight piece is provided with the mounting groove, the screw threaded connection that presss from both sides tight piece and the relative one side outer wall of arc wall has the screw rod through the screw thread of seting up, the one end of screw rod extends to in the mounting groove and rotates and be provided with the movable plate, the movable plate gomphosis is in the inside of mounting groove, one side outer wall rigid coupling of movable plate has a plurality of to press from both sides tight post, it has one side outer wall of arc wall to press from both sides tight piece to press from both sides tight post to wear out.

Compared with the prior art, the utility model has the beneficial effects that:

1. this a sensor testing arrangement for through being provided with the motor, the motor drives the lead screw and rotates, and then makes the screw thread piece reciprocate, and the screw thread piece acts on the connecting rod, can make a plurality of sliders be close to each other and remove or keep away from each other and remove, and then realizes the centre gripping fixed to cylindrical component, improves the stability when detecting.

2. This a sensor testing arrangement for through being provided with the screw rod, rotates the screw rod and makes the movable plate remove, and then makes the clamp column stretch out the clamp block and carries out secondary centre gripping to cylindrical component fixedly, improves spacing stability greatly.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of an overall structure of a sensor testing apparatus according to the present utility model;

FIG. 2 is a schematic diagram of the bottom structure of a test stand of a sensor testing device according to the present utility model;

fig. 3 is a schematic cross-sectional structure diagram of a clamping block of a sensor testing device according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a base; 2. a test bench; 3. a motor; 4. a chute; 5. a clamping block; 6. a screw; 7. a cylindrical element; 8. a detection mechanism; 9. a hydraulic rod; 10. a slide block; 11. a connecting rod; 12. a screw rod; 13. a bearing seat; 14. a clamping pad; 15. clamping the column; 16. a moving plate; 17. a threaded block.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, in an embodiment of the present utility model, a sensor testing device includes a base 1 and a cylindrical element 7, a test board 2 is fixedly installed at the top end of the base 1 through a support column and a bolt, the test board 2 is located right above the base 1, a detection device is provided on the test board 2, the top end of the test board 2 is provided with equidistant sliding grooves 4, preferably four sliding grooves 4, the sliding grooves 4 are internally provided with sliding blocks 10 in a sliding manner, the top end of the sliding blocks 10 is detachably and fixedly installed with a clamping block 5 through a bolt, a motor 3 is fixedly installed at the middle of the top end of the base 1 through a bolt, the motor 3 is a low-speed motor, the motor 3 has a forward and reverse rotation function, when a signal voltage is zero, one end of an output shaft of the motor 3 is fixedly provided with a screw 12 through a bolt, the outside of the screw 12 is connected with a threaded block 17 through a thread, the outside of the threaded block 17 is hinged with a connecting rod 11 corresponding to the sliding blocks 10, namely the connecting rod 11 and the sliding blocks 10 are identical and corresponding in number, one end of the connecting rod 11 is hinged with the bottom end of the sliding blocks 10.

Firstly, the cylindrical element 7 is placed near the middle position of the test bench 2, then the motor 3 is started to rotate positively, the motor 3 drives the screw rod 12 to rotate, the screw rod 12 acts on the screw block 17 to move downwards, the screw block 17 acts on the connecting rod 11, the connecting rod 11 acts on the sliding blocks 10, so that the four sliding blocks 10 can move close to each other, further the four sides of the cylindrical element 7 are clamped and fixed, centering clamping and fixing can be carried out, the cylindrical element 7 with different diameter sizes can be clamped and fixed, otherwise, if the motor 3 rotates reversely, the four sliding blocks 10 can be separated from each other to loosen the cylindrical element 7 in the same way; it should be noted that the device is not limited to clamping and fixing the cylindrical element 7, but can also clamp and fix the cylindrical element, such as the patent of CN202220196043.1 in the prior art, and discloses a sensor pressure testing device, which solves the technical problem that when a circular product needs to be subjected to pressure test, the circular product easily slides in the testing process, resulting in the product sliding out of the testing table, and the device can clamp and fix the circular elements with different diameters.

As shown in fig. 2, a bearing seat 13 is fixedly arranged in the middle of the outer wall of the bottom of the test bench 2 through bolts, and the top end of the screw rod 12 is arranged inside the bearing seat 13, so that the top end of the screw rod 12 is limited, and the stability is improved.

As shown in fig. 3, an arc groove is formed in the outer wall of one side, close to the center line of the test bench 2, of the clamping block 5, a rubber clamping pad 14 is fixedly arranged on the outer surface of the arc groove through bolts, the contact area of the arc groove can be increased to the cylindrical element 7, and the friction force of the clamping pad 14 can be improved, so that the stability is greatly improved.

In the utility model, the detection equipment comprises an L-shaped frame fixedly connected to the outer wall of one side of the test bench 2 through bolts, a hydraulic rod 9 is fixedly connected to the top end of the horizontal part of the L-shaped frame through bolts, one end of a piston rod of the hydraulic rod 9 penetrates through the L-shaped frame and is fixedly connected with a detection mechanism 8 through bolts, the detection mechanism 8 is disclosed in a patent of CN202021683075.1, and the detection mechanism 8 is used for detecting the clamped and fixed cylindrical element 7 by starting and extending the hydraulic rod 9 in the prior art.

According to the utility model, the mounting groove is formed in the clamping block 5, the screw rod 6 is connected to the outer wall of one side of the clamping block 5 opposite to the arc groove through the formed screw hole threads, one end of the screw rod 6 extends into the mounting groove and is rotatably provided with the moving plate 16 through the bearing, the moving plate 16 is embedded in the mounting groove, namely, the moving plate 16 can only move left and right in the mounting groove, a plurality of clamping columns 15 are fixedly connected to the outer wall of one side of the moving plate 16 through bolts, the clamping columns 15 penetrate out of the outer wall of one side of the clamping block 5 with the arc groove, the screw rod 6 is rotated to enable the moving plate 16 to move, and then the clamping columns 15 extend out of the clamping block 5 to clamp and fix the cylindrical element 7 for the second time, and in order to improve friction force with the cylindrical element 7, a rubber block can be arranged at one end of the clamping columns 15, so that limiting stability is greatly improved.

The working principle of the utility model is as follows:

the electrical components that appear in this application all external intercommunication power and control switch when using, at first place cylindrical component 7 near the intermediate position department of testboard 2, then start motor 3 corotation, motor 3 drives lead screw 12 and rotates, lead screw 12 acts on screw thread piece 17 and moves down, screw thread piece 17 acts on connecting rod 11, connecting rod 11 acts on slider 10, can make four sliders 10 mutual movement be close to like this, and then carry out the centre gripping to cylindrical component 7 four sides fixedly, then rotate screw rod 6 and make movable plate 16 remove, and then make clamp column 15 stretch out clamp block 5 and carry out the secondary centre gripping fixed to cylindrical component 7, improve spacing stability greatly, detect after fixing, namely hydraulic stem 9 starts the extension, make detection mechanism 8 move down to the cylindrical component 7 that is fixed by the centre gripping detect.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a sensor testing arrangement, includes base (1) and cylindrical component (7), its characterized in that, there is testboard (2) on the top of base (1) through the support column rigid coupling, be provided with check out test set on testboard (2), the top of testboard (2) is provided with spout (4) that the equidistance distributes, the inside slip of spout (4) is provided with slider (10), the fixed clamp block (5) that is provided with in top of slider (10), the fixed motor (3) that is provided with in top middle part of base (1), the fixed lead screw (12) that is provided with in output shaft one end of motor (3), the outside of lead screw (12) is through threaded connection has screw thread block (17), the outside of screw thread block (17) articulates there is connecting rod (11) that corresponds with slider (10), the one end of connecting rod (11) articulates with the bottom of slider (10) mutually.

2. A sensor testing device according to claim 1, characterized in that the middle part of the outer wall of the bottom of the test bench (2) is provided with a bearing seat (13), and the top end of the screw rod (12) is mounted inside the bearing seat (13).

3. A sensor testing device according to claim 1, characterized in that the outer wall of the side of the clamping block (5) close to the center line of the test bench (2) is provided with an arc-shaped groove, and the outer surface of the arc-shaped groove is fixedly provided with a clamping pad (14) made of rubber material.

4. The sensor testing device according to claim 1, wherein the detecting equipment comprises an L-shaped frame fixedly connected to the outer wall of one side of the test bench (2), a hydraulic rod (9) is fixedly connected to the top end of the horizontal part of the L-shaped frame, and a detecting mechanism (8) is fixedly connected to one end of a piston rod of the hydraulic rod (9).

5. A sensor testing device according to claim 3, wherein an installation groove is formed in the clamping block (5), a screw (6) is connected to the outer wall of one side, opposite to the arc groove, of the clamping block (5) through a set screw hole, one end of the screw (6) extends into the installation groove and is rotatably provided with a moving plate (16), the moving plate (16) is embedded in the installation groove, a plurality of clamping columns (15) are fixedly connected to the outer wall of one side of the moving plate (16), and the clamping columns (15) penetrate out of the outer wall of one side, with the arc groove, of the clamping block (5).