Differential pressure testing device of transmitter

Abstract

The utility model relates to the technical field of differential pressure testing equipment for transmitters, in particular to a differential pressure testing device for transmitters, which comprises a workbench, a mounting plate is arranged above the workbench, and guide assemblies are arranged between two ends of the mounting plate and the workbench. An adjusting assembly is arranged between one side of the mounting plate and the workbench. By arranging the driving rod, the two-way threaded rod, the sliding block, the connecting plate, the connecting block and the like, in the working process, a worker adjusts the driving rod part to rotate, the driving rod drives the two-way threaded rod to rotate through the transmission piece, and meanwhile the sliding block part, the connecting plate part and the connecting block part are matched with one another, so that the working efficiency is improved. Therefore, the distance between the mounting plate and the front end of the workbench is changed, so that a worker can conveniently adjust according to actual conditions and habits, and the test efficiency is prevented from being influenced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of differential pressure test equipment of a transmitter, in particular to a differential pressure test device of a transmitter. BACKGROUND

[0002] The transmitter is an instrument device capable of converting various physical quantities into standard signals, and the transmitter, as an important measurement and signal conversion device, plays an indispensable role in many fields and provides strong support for automatic control, data monitoring and other functions.

[0003] The differential pressure test device generally adopts the form of a U-shaped tube, which contains a working liquid, and the two ends of the U-shaped tube are connected to two positions with pressure difference. When the pressure difference exists, the liquid level difference occurs under the action of the pressure difference. According to the principle of statics, the pressure difference generated by the liquid column is equal to the pressure difference on both sides. The pressure difference can be calculated by using the liquid density and the measured liquid level height difference.

[0004] In the prior art, the tester is generally fixed on the workbench, and the position cannot be adjusted according to the use habits and actual conditions of the workers, so that the use experience effect of the device is poor, and the test efficiency of the workers is affected. In order to solve the problem that the position of the tester in the prior art cannot be adjusted according to the actual conditions, the use experience and the detection efficiency are affected, the adjusting assembly is arranged between the mounting plate and the workbench, so that the position of the mounting plate can be adjusted, and the position of the tester is indirectly changed. Different personnel can adjust the position of the tester according to the actual conditions and habits, and the test efficiency is avoided. CONTENT OF THE INVENTION

[0005] In order to facilitate different personnel to adjust the position of the tester according to the actual conditions and habits, and to avoid affecting the test efficiency, the application provides a differential pressure test device of a transmitter.

[0006] The differential pressure test device of the transmitter provided by the application adopts the following technical scheme: a workbench is arranged, a mounting plate is arranged above the workbench, guide assemblies are arranged between the two ends of the mounting plate and the workbench, and an adjusting assembly is arranged between one side of the mounting plate and the workbench.

[0007] Optionally, the guide assembly comprises a guide rail mounted on the workbench, a sliding plate is slidably arranged on the guide rail, and the sliding plate is mounted on the mounting plate through fixing bolts.

[0008] Optionally, the adjusting assembly comprises a bidirectional threaded rod, the bidirectional threaded rod is rotatably installed on the workbench, two sliding blocks are arranged on the bidirectional threaded rod, the two sliding blocks are in threaded connection with the bidirectional threaded rod, two connecting plates are rotatably installed on the two sliding blocks, and one end of the two connecting plates is rotatably installed on the mounting plate through a connecting block.

[0009] Optionally, the adjusting assembly further comprises a driving rod, the driving rod is rotatably installed on the workbench, the driving rod is arranged at one end of the bidirectional threaded rod, and a transmission member is arranged between the driving rod and the bidirectional threaded rod.

[0010] Optionally, the transmission member comprises a worm, the worm is installed on the driving rod, a worm wheel is engaged above the worm, and the worm wheel is rotatably installed on the workbench through a rotating shaft.

[0011] Optionally, the transmission member further comprises a sprocket and a chain, two sprockets are arranged, the two sprockets are installed on the rotating shaft and the bidirectional threaded rod respectively, and the chain is connected between the two sprockets.

[0012] Optionally, the two ends of the sliding plate are triangularly arranged, a fastening handle is arranged on the sliding plate, one end of the fastening handle penetrates through the sliding plate and is in contact with the guide rail, and the fastening handle is in threaded connection with the sliding plate.

[0013] In summary, the present application has the following beneficial technical effects:

[0014] 1. The utility model discloses a driving rod, a bidirectional threaded rod, a sliding block, a connecting plate and a connecting block are arranged, in the working process, the personnel is adjusted through the rotation of the driving rod component, the driving rod drives the bidirectional threaded rod to rotate through the transmission member, simultaneously, the sliding block component, the connecting plate component and the connecting block component are mutually matched to push the mounting plate component to move, thereby changing the distance between the mounting plate and the front end of the workbench, the actual situation and habit of personnel are adjusted conveniently, and the test efficiency is avoided to be influenced.

[0015] 2. The utility model discloses a fastening handle, a guide rail and a sliding plate are arranged, in the working process, the guide rail component and the sliding plate component are mutually matched to limit and guide the position and the moving direction of the mounting plate, improve the stability of the mounting plate in the use process, and the fastening handle is tightly extruded to the guide rail through the rotation of the fastening handle on the sliding plate, thereby realizing the fixation of the position of the sliding plate, improving the stability of the device, the fastening handle is away from the guide rail through the reverse driving fastening handle rotating rod, thereby removing the position limitation between the sliding plate and the guide rail. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1This is a schematic diagram of the overall structure in an embodiment of this application;

[0017] Figure 2 This is a schematic diagram of the overall rear side in an embodiment of this application;

[0018] Figure 3 This is an embodiment of the present application. Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This is a top view of the workbench according to an embodiment of this application.

[0020] Reference numerals: 1. Workbench; 2. Mounting plate; 3. Guide assembly; 301. Guide rail; 302. Slide plate; 4. Adjustment assembly; 401. Two-way threaded rod; 402. Slider; 403. Connecting plate; 404. Connecting block; 405. Drive rod; 406. Worm gear; 407. Worm wheel; 408. Rotating shaft; 409. Sprocket; 410. Chain; 5. Fastening handle. Detailed Implementation

[0021] The following is in conjunction with the appendix Figures 1-4 This application will be described in further detail.

[0022] This application discloses a differential pressure testing device for a transmitter. For example... Figure 1 , Figure 2 As shown, the device includes a workbench 1, a mounting plate 2 on top of the workbench 1, and a U-tube differential pressure tester on the mounting plate 2. The U-tube differential pressure tester is quite common in the market. Its specific structure and working principle will not be described or limited in detail here. Guide components 3 are provided between both ends of the mounting plate 2 and the workbench 1. The guide components 3 include guide rails 301, which are mounted on the workbench 1. A sliding plate 302 is slidably mounted on the guide rails 301.

[0023] In this embodiment, both ends of the slide plate 302 are triangular, which improves the connection stability between the slide plate 302 and the mounting plate 2. The slide plate 302 is provided with a fastening handle 5. One end of the fastening handle 5 passes through the slide plate 302 and contacts the guide rail 301. The fastening handle 5 is threadedly connected to the slide plate 302. When it is necessary to fix the position between the slide plate 302 and the guide rail 301, the fastening handle 5 is driven to rotate on the slide plate 302, so that the fastening handle 5 squeezes the guide rail 301 to achieve the fixing effect. When it is necessary to release the restriction, the fastening handle 5 is driven to rotate in the opposite direction.

[0024] Figure 2 , Figure 4As shown, the slide plate 302 is mounted on the mounting plate 2 by fixing bolts, and an adjusting assembly 4 is arranged between one side of the mounting plate 2 and the workbench 1, the adjusting assembly 4 comprises a bidirectional threaded rod 401 rotatably mounted on the workbench 1, two sliding blocks 402 are arranged on the bidirectional threaded rod 401 and are threadedly connected with the bidirectional threaded rod 401, and the two sliding blocks 402 are slidingly arranged on the workbench 1 and are symmetrically arranged on the workbench 1.

[0025] In the embodiment, a connecting plate 403 is rotatably mounted on each of the two sliding blocks 402, and one end of each of the two connecting plates 403 is rotatably mounted on the mounting plate 2 through a connecting block 404. By arranging the connecting plate 403 and the two connecting blocks 404, the driving force is applied to the two ends of the mounting plate 2, so that the two ends of the mounting plate 2 are uniformly stressed, and the stability of the mounting plate 2 during movement is improved.

[0026] In combination Figure 2 , Figure 3 As shown, the adjusting assembly 4 further comprises a driving rod 405 rotatably mounted on the workbench 1, the driving rod 405 is arranged at one end of the bidirectional threaded rod 401, and the driving rod 405 is arranged on the side away from the middle of the workbench 1, so as to facilitate the rotation of the driving rod 405 by the worker, and a transmission member is arranged between the driving rod 405 and the bidirectional threaded rod 401, the transmission member comprises a worm 406 mounted on the driving rod 405.

[0027] In the embodiment, a worm wheel 407 is engaged above the worm 406, the worm wheel 407 is rotatably mounted on the workbench 1 through a rotating shaft 408, and the transmission member further comprises two sprockets 409 and a chain 410, the two sprockets 409 are respectively mounted on the rotating shaft 408 and the bidirectional threaded rod 401, and the two sprockets 409 are connected by the chain 410, and the sprocket 409 and the chain 410 are matched with each other, so as to increase the transmission distance, so that the driving rod 405 drives the rotating shaft 408 to rotate while the bidirectional threaded rod 401 rotates.

[0028] The implementation principle of the differential pressure testing device of the transmitter according to the embodiment of the application is as follows: when the position of the mounting plate 2 needs to be adjusted, a worker adjusts the rotation of the driving rod 405, the driving rod 405 drives the rotation of the worm 406, the worm 406 drives the rotation of the worm wheel 407, the worm wheel 407 drives the rotation of the rotating shaft 408, the rotating shaft 408 drives the rotation of the chain 410 through the sprocket 409, the chain 410 drives the rotation of the bidirectional threaded rod 401 through another sprocket 409, the bidirectional threaded rod 401 drives the relative movement of the two sliding blocks 402, the two sliding blocks 402 drive one end of the two connecting plates 403 to move, the other end of the connecting plate 403 drives the movement of the mounting plate 2 through the connecting block 404, the mounting plate 2 slides on the workbench 1, and the mounting plate 2 drives the sliding plate 302 to move on the guide rail 301 while moving, so that the stability of the mounting plate 2 in the moving process is improved, and the rotation of the driving rod 405 is stopped when the mounting plate 2 reaches the preset position.

[0029] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A differential pressure testing device for a transmitter comprising a workbench (1), characterized in that: The workbench (1) is provided with an installation plate (2) above, the both ends of the installation plate (2) and the workbench (1) are provided with a guide assembly (3), the side of the installation plate (2) and the workbench (1) are provided with an adjusting assembly (4).

2. The differential pressure testing apparatus for a transmitter of claim 1, wherein: The guide assembly (3) includes a guide rail (301), the guide rail (301) is installed on the workbench (1), the guide rail (301) is provided with a sliding plate (302) slidingly, the sliding plate (302) is installed on the installation plate (2) by fixing bolt.

3. The differential pressure testing apparatus of claim 1, wherein: The adjusting assembly (4) includes a bidirectional threaded rod (401), the bidirectional threaded rod (401) is rotatably installed on the workbench (1), the bidirectional threaded rod (401) is provided with two sliding blocks (402), two the sliding blocks (402) are threadedly connected with the bidirectional threaded rod (401), two the connecting plates (403) are rotatably installed on the two sliding blocks (402), and one end of the two connecting plates (403) is rotatably installed on the installation plate (2) through a connecting block (404).

4. The differential pressure testing apparatus of claim 3, wherein: The adjusting assembly (4) further includes a drive rod (405), the drive rod (405) is rotatably installed on the workbench (1), the drive rod (405) is arranged at one end of the bidirectional threaded rod (401), and a transmission member is arranged between the drive rod (405) and the bidirectional threaded rod (401).

5. The differential pressure testing apparatus of claim 4, wherein: The transmission member includes a worm (406), the worm (406) is installed on the drive rod (405), and a worm wheel (407) is engaged above the worm (406), the worm wheel (407) is rotatably installed on the workbench (1) through a rotating shaft (408).

6. The differential pressure testing apparatus of claim 5, wherein: The transmission member further includes a chain wheel (409) and a chain (410), the chain wheel (409) is provided with two, the two chain wheels (409) are installed on the rotating shaft (408) and the bidirectional threaded rod (401) respectively, and the two chain wheels (409) are connected by the chain (410) before the two chain wheels (409).

7. The pressure differential testing apparatus of claim 2, wherein: The both ends of the sliding plate (302) are triangularly arranged, the sliding plate (302) is provided with a fastening handle (5), one end of the fastening handle (5) penetrates the sliding plate (302) and is in contact with the guide rail (301), and the fastening handle (5) is threadedly connected with the sliding plate (302).

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