Pressure transmitter verification device

Abstract

The utility model discloses a pressure transmitter verification device which comprises an installation support, a controller installed on the outer wall of the installation support, an electric control air cylinder installed on the outer wall of the installation support, a clamping assembly installed on the outer wall of the installation support, and a sliding rail installed on the inner wall of the installation support. A sliding block is slidably connected to the outer wall of the sliding rail, and one end of the sliding block is connected with an electric control air cylinder through a connecting piece. According to the utility model, the terminal of the pressure transmitter is in contact with the thimble connector bracket, and the thimble connector is connected with the pressure transmitter for electrification under the action of the ejection spring; the fixing end of the pressure transmitter can be quickly butted and sealed through the clamping assembly, one end of the electric control air cylinder pushes the mounting shell to move downwards through the sliding block so as to abut against the pressure transmitter, the communicating hole of the electric control air cylinder is butted with the fixing end of the pressure transmitter, and then the sealed mounting effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure transmitter production, in particular to a pressure transmitter calibration device. Background Art

[0002] A pressure transmitter is a device that converts pressure into pneumatic or electric signals for control and remote transmission. It can convert the physical pressure parameters of gas, liquid, etc. sensed by the pressure element sensor into standard electrical signals to supply secondary instruments such as indicator alarms, recorders, and regulators for measurement, indication, and process regulation.

[0003] In current applications, the threaded connection between the pressure transmitter and the mounting base requires a high torque force to ensure a tight seal. However, when testing a large number of pressure transmitters, this traditional threaded connection significantly increases the workload and becomes cumbersome and inconvenient. Furthermore, when calibrating the pressure transmitter, the panel must be removed to connect the data transmission line to the pressure transmitter's terminal. After the connection is complete, the panel is replaced and installed. This process ensures the normal operation and accurate calibration of the pressure transmitter, but it is time-consuming and labor-intensive when performing calibration on large quantities of pressure transmitters. Utility Model Content

[0004] The utility model provides a pressure transmitter calibration device to solve the above problems.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A pressure transmitter calibration device comprises a mounting bracket, a controller is mounted on the outer wall of the mounting bracket, an electric-controlled cylinder is mounted on the outer wall of the mounting bracket, a clamping assembly is mounted on the outer wall of the mounting bracket, a slide rail is mounted on the inner wall of the mounting bracket, and a slider is slidably connected to the outer wall of the slide rail, one end of the slider is connected to the electric-controlled cylinder via a connecting piece, a limit rod is slidably connected to the outer wall opposite to the slider, a limit spring is mounted on the outer wall of the limit rod, one end of the limit spring is connected to a mounting housing, a connecting pipe is mounted on the outer wall opposite to the mounting housing, a communicating hole is opened on the outer wall of the mounting housing, and a sealing gasket is embedded and mounted on one side of the communicating hole and located on the outer wall of the mounting housing;

[0007] The cam is fixedly mounted on the support frame, and the cam is installed on the support frame of the support frame, and the cam is installed on the support frame of the support frame.

[0008] As a preferred solution of the present invention, the controller is connected to the electric cylinder through a wire and the connection method is electrical connection. The cross-section of the mounting bracket is L-shaped, the cross-section of the slide rail is an I-shaped structure, and the slide rail is located on one side of the electric cylinder.

[0009] As a preferred solution of the present invention, the limiting rods are provided in two groups and are respectively located on the outer wall of the slider, the cross-section of the slider is an L-shaped structure, the limiting springs are provided in two groups and are respectively located on the outer wall of the mounting shell, and the mounting shell is a hollow structure.

[0010] As a preferred solution of the present invention, the connecting pipes are provided in two groups and are respectively located on the outer wall of the mounting shell, the communicating holes are provided in multiple groups from left to right and are respectively located on the outer wall of the mounting shell, and the sealing gasket is made of rubber material.

[0011] As a preferred solution of the present invention, the sealing gaskets are provided in multiple groups and are respectively located on the outer wall of the mounting shell, the connecting hole is located directly above the fixed end of the pressure transmitter, and the fixed bracket is located directly below the electronically controlled cylinder.

[0012] As a preferred solution of the present invention, the limiting sliding grooves are provided in two groups and are respectively located on the opposite outer walls of the fixed bracket, the fixing plates are provided in two groups and are respectively located on the opposite outer walls of the sliding rod, and the positioning holes are provided in two groups and are respectively located on the opposite outer walls of the fixed bracket.

[0013] As a preferred solution of the present invention, the limiting grooves are provided in multiple groups and are respectively located on the outer wall of the fixed base, the fixed base is located directly below the mounting shell, and the pressure transmitters are provided in multiple groups and are respectively located on the inner wall of the limiting grooves.

[0014] As a preferred solution of the present invention, the arc plate is located on one side of the limiting groove, multiple groups of positioning cylinders are provided and are respectively located on the inner wall of the arc plate, and the ejector pin connector is located on one side of the connection terminal of the pressure transmitter.

[0015] The utility model provides a clamping assembly in the pressure transmitter calibration device, which can realize the rapid docking of the terminal of the pressure transmitter. The terminal of the pressure transmitter is in contact with the ejector pin connector bracket. The ejector pin connector is acted upon by an ejector spring. The ejector pin connector and the pressure transmitter are connected and energized. It is only necessary to connect the data line to the inner wall of the ejector pin connector for fixation. Compared with the traditional method of unscrewing the screws, inserting the data line and then tightening and fixing, the utility model is simpler and more practical, thereby solving the problem of being time-consuming and labor-intensive to disassemble the panel in order to connect the data transmission line to the terminal of the pressure transmitter when performing calibration in large quantities.

[0016] The utility model can realize the rapid docking and sealing of the fixed end of the pressure transmitter by arranging a clamping assembly in the pressure transmitter calibration device. One end of the electric control cylinder pushes the mounting shell downward through the slider, and then presses against the pressure transmitter. The communicating hole and the fixed end of the pressure transmitter are docked, thereby achieving the effect of sealed installation, thereby solving the problem that the threaded connection method of the pressure transmitter and the mounting seat requires a large torque force to ensure its sealing, and the operation process is cumbersome and inconvenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a side structural diagram of the present utility model;

[0019] Figure 3 This is an enlarged schematic diagram of structure A of the present utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the clamping assembly of the present utility model;

[0021] Figure 5 It is an enlarged schematic diagram of structure B of the present utility model.

[0022] In the figure: 1. Mounting bracket; 2. Controller; 3. Electric control cylinder; 4. Clamping assembly; 401. Fixed bracket; 402. Limiting slide groove; 403. Positioning hole; 404. Slide rod; 405. Fixed plate; 406. Latch; 407. Fixed base; 408. Limiting groove; 409. Pressure transmitter; 410. Arc plate; 411. Positioning cylinder; 412. Slide rod; 413. Ejector pin connector; 414. Ejector spring; 5. Slide rail; 6. Slider; 7. Connector; 8. Limiting rod; 9. Limiting spring; 10. Mounting housing; 11. Connecting pipe; 12. Connecting hole; 13. Sealing gasket. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] Example: See Figure 1-5 The pressure transmitter calibration device shown includes a mounting bracket 1, a controller 2 is mounted on the outer wall of the mounting bracket 1, an electric control cylinder 3 is mounted on the outer wall of the mounting bracket 1, a clamping assembly 4 is mounted on the outer wall of the mounting bracket 1, a slide rail 5 is mounted on the inner wall of the mounting bracket 1, and a slider 6 is slidably connected to the outer wall of the slide rail 5, one end of the slider 6 is connected to the electric control cylinder 3 through a connecting piece 7, a limit rod 8 is slidably connected to the outer wall opposite to the slider 6, a limit spring 9 is mounted on the outer wall of the limit rod 8, one end of the limit spring 9 is connected to a mounting shell 10, a connecting pipe 11 is mounted on the outer wall opposite to the mounting shell 10, a connecting hole 12 is opened on the outer wall of the mounting shell 10, and a sealing gasket 13 is embedded and installed on one side of the connecting hole 12 and on the outer wall of the mounting shell 10.

[0025] In this embodiment, specific reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5The clamping assembly 4 includes a fixed bracket 401, which is mounted on the outer wall of the mounting bracket 1. The fixed bracket 401 is located directly below the electric control cylinder 3. A limited sliding groove 402 is provided on the outer wall opposite to the fixed bracket 401. The limited sliding groove 402 has two groups and is respectively located on the outer wall opposite to the fixed bracket 401. A positioning hole 403 is provided on one side of the limited sliding groove 402 and on the outer wall of the fixed bracket 401. A sliding groove is slidably connected to the inner wall of the limited sliding groove 402. Rod 404, one end of the slide rod 404 is installed with a fixed plate 405, which is provided with two groups and is respectively located on the outer wall opposite to the slide rod 404, and a latch 406 is slidably connected to the outer wall of the fixed plate 405, and one end of the latch 406 is connected to the inner wall of the positioning hole 403 for fixing, and the positioning hole 403 is provided with two groups and is respectively located on the outer wall opposite to the fixed bracket 401, and a fixed base 407 is installed just below the installation shell 10 and on the outer wall of the slide rod 404, The fixed base 407 is located directly below the mounting housing 10. A limiting groove 408 is provided on the outer wall of the fixed base 407. The limiting grooves 408 are provided in multiple groups and are respectively located on the outer wall of the fixed base 407. A pressure transmitter 409 is installed on the inner wall of the limiting groove 408. The pressure transmitter 409 is provided in multiple groups and is respectively located on the inner wall of the limiting groove 408. An arc plate 410 is installed on one side of the pressure transmitter 409 and is located on the outer wall of the fixed base 407. The arc plate 410 is located on the limiting groove. On one side of the positioning slot 408, a positioning cylinder 411 is installed on the inner wall of the arc plate 410. The positioning cylinder 411 is provided in multiple groups and is respectively located on the inner wall of the arc plate 410. A sliding rod 412 is slidably connected to the inner wall of the positioning cylinder 411. A pin connector 413 is installed at one end of the sliding rod 412. The pin connector 413 is located on the wiring terminal side of the pressure transmitter 409. An ejection spring 414 is installed at the other end of the sliding rod 412, and the ejection spring 414 is located in the inner cavity of the positioning cylinder 411.

[0026] Among them, the controller 2 is connected to the electric control cylinder 3 through a wire and the connection method is electrical connection, so that the device is energized. The cross-section of the mounting bracket 1 is L-shaped, the cross-section of the slide rail 5 is an I-shaped structure, and the slide rail 5 is located on one side of the electric control cylinder 3. There are two groups of limit rods 8 and they are respectively located on the outer wall of the slider 6. The cross-section of the slider 6 is an L-shaped structure. There are two groups of limit springs 9 and they are respectively located on the outer wall of the mounting shell 10. The mounting shell 10 is a hollow structure. There are two groups of connecting pipes 11 and they are respectively located on the outer wall of the mounting shell 10. There are multiple groups of connecting holes 12 from left to right and they are respectively located on the outer wall of the mounting shell 10. Multiple groups of pressure transmitters 409 can be calibrated at the same time. The sealing gasket 13 is made of rubber material. There are multiple groups of sealing gaskets 13 and they are respectively located on the outer wall of the mounting shell 10. The connecting hole 12 is located directly above the fixed end of the pressure transmitter 409.

[0027] Among them, when the mounting shell 10 is pressed down, since there are two groups of limit springs 9 and they are respectively located on the outer wall of the mounting shell 10, the reaction force of the limit springs 9 makes the contact between the two closer, and also prevents the mounting shell 10 from applying too much force to the fixed end of the pressure transmitter 409 when pressing down, causing deformation of the fixed end of the pressure transmitter 409.

[0028] When the pressure transmitter calibration device of this scheme is working, the cover of the pressure transmitter 409 is rotated open to make the connection terminal of the pressure transmitter 409 leak out, and then the pressure transmitter 409 is clamped on the inner wall of the limit groove 408 for fixation. There are multiple groups of positioning cylinders 411 and they are respectively located on the inner wall of the arc plate 410. Under the action of the ejector pin connector 413 located on one side of the connection terminal of the pressure transmitter 409, the connection terminal of the pressure transmitter 409 and the ejector pin connector 413 bracket are brought into contact. , and because the ejector connector 413 acts on the ejector spring 414, the ejector connector 413 and the pressure transmitter 409 are connected and energized. It is only necessary to connect the data line to the inner wall of the ejector connector 413 and fix it. When the ejector connector 413 and the pressure transmitter 409 are in contact, power is turned on. Compared with the traditional method of unscrewing the terminal screws to insert the data line and then tightening the screws to fix it, this device is simpler and more practical, thus solving the problem of disassembling the panel to connect the data transmission line to the terminal of the pressure transmitter. After completing the connection, the panel is covered again for installation. This process ensures the normal operation and accurate calibration of the pressure transmitter, which is a time-consuming and labor-intensive problem when performing calibration in large quantities.

[0029] A positioning hole 403 is provided on one side of the limiting slide groove 402 and on the outer wall of the fixing bracket 401. A slide rod 404 is slidably connected to the inner wall of the limiting slide groove 402. A fixing plate 405 is installed at one end of the slide rod 404. A latch 406 is slidably connected to the outer wall of the fixing plate 405, and one end of the latch 406 is connected to the inner wall of the positioning hole 403 for fixing. A fixing base 407 is installed on the outer wall of the slide rod 404 just below the installation shell 10. , push the fixed base 407 to slide inward, and then make the fixed base 407 slide on the inner wall of the limiting slide groove 402 through the slide rod 404. When the fixed base 407 is located directly below the installation shell 10, align the latch 406 with the positioning hole 403 and insert it to fix the device so that the device is fixed in a suitable position. At the same time, under the action of the connecting pipe 11 installed on the opposite outer wall of the installation shell 10, the calibrated pipe is installed. At the same time, the slide rail 5 is installed on the inner wall of the installation bracket 1 , and a slider 6 is slidably connected to the outer wall of the slide rail 5, one end of the slider 6 is connected to the electric control cylinder 3 through a connecting piece 7, and a limit rod 8 is slidably connected to the outer wall opposite to the slider 6. A limit spring 9 is installed on the outer wall of the limit rod 8, and one end of the limit spring 9 is connected to the mounting shell 10. Under the action of, it is only necessary to turn on the switch of the controller 2, so that the controller 2 controls the electric control cylinder 3 to operate, and one end of the electric control cylinder 3 pushes the slider 6 to slide downward on the outer wall of the slide rail 5, thereby causing the mounting shell 10 to move down and resist the pressure transmitter 409, and its connecting hole 12 and the fixed end of the pressure transmitter 409 are docked. At the same time, the sealing gasket 13 on one side of the connecting hole 12 blocks the gap between the two, thereby achieving a sealed effect. The device can calibrate multiple groups of pressure transmitters 409 at the same time, and does not require cumbersome bolts to fix them, which is more practical, thereby solving the problem that the threaded connection between the pressure transmitter and the mounting seat requires a large torque force to ensure its sealing. However, when a large number of pressure transmitters need to be tested, this traditional thread disassembly and assembly method will greatly increase the workload of disassembly and assembly, and the operation process is cumbersome and inconvenient.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure transmitter calibration device, comprising a mounting bracket (1), characterized in that: A controller (2) is mounted on the outer wall of the mounting bracket (1), an electric control cylinder (3) is mounted on the outer wall of the mounting bracket (1), a clamping assembly (4) is mounted on the outer wall of the mounting bracket (1), a slide rail (5) is mounted on the inner wall of the mounting bracket (1), and a slider (6) is slidably connected to the outer wall of the slide rail (5), one end of the slider (6) is connected to the electric control cylinder (3) through a connector (7), a limit rod (8) is slidably connected to the outer wall opposite to the slider (6), a limit spring (9) is mounted on the outer wall of the limit rod (8), one end of the limit spring (9) is connected to the mounting shell (10), a connecting pipe (11) is mounted on the outer wall opposite to the mounting shell (10), a connecting hole (12) is opened on the outer wall of the mounting shell (10), and a sealing gasket (13) is embedded and mounted on one side of the connecting hole (12) and located on the outer wall of the mounting shell (10); The clamping assembly (4) includes a fixing bracket (401), the fixing bracket (401) is mounted on the outer wall of the mounting bracket (1), a limiting slide groove (402) is provided on the outer wall opposite to the fixing bracket (401), a positioning hole (403) is provided on one side of the limiting slide groove (402) and located on the outer wall of the fixing bracket (401), a slide rod (404) is slidably connected to the inner wall of the limiting slide groove (402), a fixing plate (405) is mounted on one end of the slide rod (404), a latch (406) is slidably connected to the outer wall of the fixing plate (405), and one end of the latch (406) is connected to the inner wall of the positioning hole (403) for fixing, and the mounting shell (10) is located directly below the slide rod ( A fixed base (407) is installed on the outer wall of the fixed base (407), a limiting groove (408) is provided on the outer wall of the fixed base (407), a pressure transmitter (409) is installed on the inner wall of the limiting groove (408), an arc plate (410) is installed on one side of the pressure transmitter (409) and located on the outer wall of the fixed base (407), a positioning cylinder (411) is installed on the inner wall of the arc plate (410), a sliding rod (412) is slidably connected to the inner wall of the positioning cylinder (411), one end of the sliding rod (412) is installed with a pin connector (413), the other end of the sliding rod (412) is installed with an ejection spring (414), and the ejection spring (414) is located in the inner cavity of the positioning cylinder (411).

2. A pressure transmitter calibration device according to claim 1, characterized in that: The controller (2) is connected to the electric control cylinder (3) via a wire and the connection method is electrical connection. The cross section of the mounting bracket (1) is L-shaped, and the cross section of the slide rail (5) is an I-shaped structure. The slide rail (5) is located on one side of the electric control cylinder (3).

3. A pressure transmitter calibration device according to claim 1, characterized in that: The limiting rods (8) are provided in two groups and are respectively located on the outer wall of the slider (6); the cross section of the slider (6) is an L-shaped structure; the limiting springs (9) are provided in two groups and are respectively located on the outer wall of the mounting shell (10); the mounting shell (10) is a hollow structure.

4. A pressure transmitter calibration device according to claim 1, characterized in that: The connecting pipes (11) are provided in two groups and are respectively located on the outer wall of the mounting shell (10); the communicating holes (12) are provided in multiple groups in sequence from left to right and are respectively located on the outer wall of the mounting shell (10); and the sealing gaskets (13) are made of rubber material.

5. The pressure transmitter calibration device according to claim 1, characterized in that: The sealing gaskets (13) are provided in multiple groups and are respectively located on the outer wall of the mounting housing (10). The connecting hole (12) is located directly above the fixed end of the pressure transmitter (409), and the fixed bracket (401) is located directly below the electric control cylinder (3).

6. A pressure transmitter calibration device according to claim 1, characterized in that: The limiting sliding grooves (402) are provided in two groups and are respectively located on the outer walls opposite to the fixing bracket (401); the fixing plates (405) are provided in two groups and are respectively located on the outer walls opposite to the sliding rod (404); and the positioning holes (403) are provided in two groups and are respectively located on the outer walls opposite to the fixing bracket (401).

7. A pressure transmitter calibration device according to claim 1, characterized in that: The limiting grooves (408) are provided in multiple groups and are respectively located on the outer wall of the fixed base (407). The fixed base (407) is located directly below the mounting shell (10). The pressure transmitters (409) are provided in multiple groups and are respectively located on the inner wall of the limiting grooves (408).

8. The pressure transmitter calibration device according to claim 1, characterized in that: The arc plate (410) is located on one side of the limiting groove (408), a plurality of positioning cylinders (411) are provided and are respectively located on the inner wall of the arc plate (410), and the ejector pin connector (413) is located on one side of the connection terminal of the pressure transmitter (409).

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