Pressure transmitter detection tool
By designing a pressure transmitter testing fixture with support, lifting, and clamping mechanisms, the problem of inconvenient pressure transmitter mounting was solved, achieving fast and stable mounting and accurate test data. It is suitable for pressure transmitters of different specifications.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YINCHUAN INAUTO AUTOMATION
- Filing Date
- 2025-06-04
- Publication Date
- 2026-04-10
AI Technical Summary
The lack of dedicated testing fixtures for pressure transmitters in the current technology leads to inconvenience and instability in installation, affecting the stability and accuracy of the test data.
A pressure transmitter testing fixture including a support mechanism, a lifting mechanism, and a clamping mechanism was designed. The clamping mechanism is driven by a cylinder to achieve quick clamping, and the push-pull rod can be adjusted to adapt to pressure transmitters of different specifications.
It enables rapid and stable mounting of pressure transmitters, adapts to different testing requirements, improves the convenience of testing and the accuracy of data, and the device has a compact structure and is easy to move.
Smart Images

Figure CN224108978U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pressure transmitter detection technical field, specifically, relate to a pressure transmitter detection frock. BACKGROUND
[0002] Gas-gas pressure transmitter is a kind of pressure conversion into pneumatic signal or electric signal control and remote equipment.It can be the physical pressure parameter such as gas, liquid sensed by pressure element sensor into standard electric signal, to provide indicating alarm instrument, recorder, regulator etc. Secondary instrument carries out measurement, indication and process regulation.
[0003] Before shipment, for pressure transmitter new product and repair product, the performance needs to be detected, provides component detection data and overall detection data through detection, provides the basis for its shipment.In detection, pressure transmitter needs to be fixed to ensure the stability and accuracy of measurement data.
[0004] However, at present, pressure transmitter does not have special detection frock, and there are problems such as inconvenient clamping and unstable clamping. SUMMARY
[0005] The utility model provides a pressure transmitter detection frock, and the utility model discloses a kind of clamping and fixing during pressure transmitter detection, improve clamping stability, improve the universal type of clamping.
[0006] The utility model provides a pressure transmitter detection frock, including support mechanism, lifting mechanism and clamping mechanism, wherein:
[0007] The support mechanism includes base, a group of guide columns are vertically arranged on the base, the top of the guide column is installed support plate, detection positioning seat is arranged on the support plate, and detection gas source interface is arranged on the side of the detection positioning seat;
[0008] The lifting mechanism includes cylinder, the cylinder is installed on the upside of base, the upper end of the cylinder is equipped with piston rod, the upper end of the piston rod is connected with guide plate, a group of guide holes are arranged on the guide plate, the guide plate is movably equipped on the guide column through the guide hole, and vertical plate is arranged at the both ends of the guide plate respectively, and clamping mechanism is installed on the top of each vertical plate;
[0009] The clamping mechanism includes lower clamping plate, the lower clamping plate is installed on the top of vertical plate, a group of adjusting guide rails are parallelly arranged on the upside of the lower clamping plate, and track gap is left between the two adjusting guide rails, the upside of the adjusting guide rail is provided with upper clamping plate, the middle part of the upper clamping plate is provided with strip-shaped adjusting hole parallel with the track gap, tongue depressor is movably equipped in the track gap, the top of the tongue depressor is vertically connected with push-pull rod, and the push-pull rod is movably equipped in the strip-shaped adjusting hole.
[0010] Preferably, the upper clamping plate, the adjusting guide rail and the lower clamping plate are fastened and connected through fixing bolts.
[0011] Preferably, the bottom is provided with walking rollers on the lower side.
[0012] Preferably, the side of the cylinder is provided with a clamping air port and a loosening air port, the clamping air port and the loosening air port are connected with two air outlets of a hand-operated reversing valve through air pipes, and the hand-operated reversing valve is provided with a compressed air source interface and a reversing handle.
[0013] Preferably, the bottom is provided with a side plate on one side, and the hand-operated reversing valve is installed on the side plate.
[0014] Preferably, the vertical plate is provided with a rib plate at the connecting position with the lower clamping plate.
[0015] The pressure transmitter detection tool has the advantages that: the pressure transmitter detection tool can be used as a detection station of the gas-gas pressure transmitter, the clamping mechanism is driven by the cylinder to move up and down, fast clamping is realized, the clamping is firm, safe and reliable, the tongue plate can be moved in and out of the adjusting track through the push-pull rod in the clamping mechanism, the pressure transmitter is convenient to place and install, the device can be applicable to detection and fixation of pressure transmitters of different specifications, the device can be conveniently moved, the detection station is convenient to arrange, and the device is flexible. The device has the advantages of compact structure, small space occupation, high working efficiency, convenient maintenance and the like. The device can provide part detection data and overall detection data for the gas-gas pressure transmitter new product and repaired product, provide a basis for delivery, improve detection convenience, and solve the problems of inconvenient fixation and unstable clamping in the process of repairing and detecting the gas-gas pressure transmitter. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a front view of the pressure transmitter detection tool.
[0017] Fig. 2 It is a right view of the pressure transmitter detection tool.
[0018] In the figure: support mechanism 1, bottom 11, guide column 12, support plate 13, detection positioning seat 14, detection gas source interface 15, walking roller 16, side plate 17; lifting mechanism 2, cylinder 21, clamping air port 21-1, loosening air port 21-2, piston rod 22, guide plate 23, vertical plate 24, air pipe 25, hand-operated reversing valve 26, compressed air source interface 26-1, reversing handle 26-2, rib plate 27; clamping mechanism 3, lower clamping plate 31, adjusting guide rail 32, track gap 33, upper clamping plate 34, strip-shaped adjusting hole 35, tongue plate 36, push-pull rod 37, fixing bolt 38; gas-gas pressure transmitter 4. DETAILED DESCRIPTION
[0019] To make the technical solution of this utility model easier to understand, the technical solution of this utility model will now be clearly and completely described in conjunction with the accompanying drawings and specific embodiments.
[0020] Example 1:
[0021] like Figs. 1-2 As shown, the pressure transmitter testing fixture of this embodiment includes a support mechanism 1, a lifting mechanism 2, and a clamping mechanism 3, wherein:
[0022] The support mechanism 1 includes a base 11, a set of guide columns 12 are vertically arranged on the base 11, a support plate 13 is installed on the top of the guide columns 12, a detection positioning seat 14 is arranged on the support plate 13, and a detection air source interface 15 is provided on one side of the detection positioning seat 14.
[0023] The lifting mechanism 2 includes a cylinder 21, which is mounted on the upper side of the base 11. A piston rod 22 is mounted on the upper end of the cylinder 21, and the upper end of the piston rod 22 is connected to a guide plate 23. A set of guide holes are provided on the guide plate 23, and the guide plate 23 is movably mounted on the guide column 12 through the guide holes. Vertical plates 24 are provided at both ends of the guide plate 23, and a clamping mechanism 3 is installed on the top of each vertical plate 24.
[0024] The clamping mechanism 3 includes a lower clamping plate 31, which is installed on the top of the vertical plate 24. A set of adjusting guide rails 32 are arranged parallel to the upper side of the lower clamping plate 31, and a track gap 33 is left between the two adjusting guide rails 32. An upper clamping plate 34 is arranged on the upper side of the adjusting guide rails 32. A strip-shaped adjusting hole 35 parallel to the track gap 33 is provided in the middle of the upper clamping plate 34. A pressure tongue plate 36 is movably installed in the track gap 33. A push-pull rod 37 is vertically connected to the top of the pressure tongue plate 36. The push-pull rod 37 is movably installed in the strip-shaped adjusting hole 35.
[0025] Example 2:
[0026] like Figs. 1-2 As shown, the pressure transmitter testing fixture of this embodiment includes a support mechanism 1, a lifting mechanism 2, and a clamping mechanism 3, wherein:
[0027] The support mechanism 1 includes a base 11, on which a set of guide columns 12 are vertically arranged. A support plate 13 is installed on the top of the guide columns 12, and a detection positioning seat 14 is provided on the support plate 13. A detection air source interface 15 is provided on one side of the detection positioning seat 14. A traveling roller 16 is provided on the lower side of the base 11. A side plate 17 is provided on one side of the base 11, and a manual reversing valve 26 is installed on the side plate 17.
[0028] The lifting mechanism 2 comprises a cylinder 21 installed on the upper side of the base 11, the upper end of the cylinder 21 is equipped with a piston rod 22, the upper end of the piston rod 22 is connected with a guide plate 23, a group of guide holes are arranged on the guide plate 23, the guide plate 23 is movably equipped on the guide column 12 through the guide holes, vertical plates 24 are arranged at the two ends of the guide plate 23 respectively, and the top of each vertical plate 24 is installed with a clamping mechanism 3; the side of the cylinder 21 is provided with a clamping air vent 21-1 and a loosening air vent 21-2, the clamping air vent 21-1 and the loosening air vent 21-2 are connected with two air outlets of a manual reversing valve 26 through air pipes 25 respectively, and a compressed air source interface 26-1 and a reversing handle 26-2 are arranged on the manual reversing valve 26. Ribs 27 are arranged at the connecting positions of the vertical plates 24 and lower clamping plates 31.
[0029] The clamping mechanism 3 comprises a lower clamping plate 31 installed on the top of the vertical plate 24, a group of adjusting guide rails 32 are arranged on the upper side of the lower clamping plate 31 in parallel, track gaps 33 are left between the two adjusting guide rails 32, an upper clamping plate 34 is arranged on the upper side of the adjusting guide rail 32, a strip-shaped adjusting hole 35 parallel to the track gap 33 is arranged on the middle part of the upper clamping plate 34, a tongue depressor 36 is movably equipped in the track gap 33, a push-pull rod 37 is vertically connected to the top of the tongue depressor 36, and the push-pull rod 37 is movably equipped in the strip-shaped adjusting hole 35. The upper clamping plate 34, the adjusting guide rail 32 and the lower clamping plate 31 are tightly connected through fixed bolts 38.
[0030] The working principle of the utility model is: the pressure transmitter detection tool of the utility model, first, the gas-gas pressure transmitter 4 is placed in the positioning seat and the position is adjusted, the push-pull rod 37 is manually pushed to move in the strip-shaped adjusting hole 35, the tongue depressor 36 is driven to move in the track gap 33, so that the end of the tongue depressor 36 is located above the flange surface of the gas-gas pressure transmitter 4. Then, the manual reversing valve 26 is switched to the clamping air vent 21-1, the gas source enters from the compressed air source interface 26-1, is sent into the clamping air vent 21-1 through the air pipe 25, the gas source is introduced into the cylinder 21, the piston rod 22 is retracted, the clamping mechanism 3 is driven to descend, the tongue depressor 36 is pressed against the flange surface of the gas-gas pressure transmitter 4, and the gas-gas pressure transmitter 4 is fixed. Then, the detection gas is introduced into the detection gas source interface 15, the detection gas source interface 15 is connected with the detection diaphragm of the gas-gas pressure transmitter 4 to perform detection. After the detection is completed, the manual reversing valve 26 is switched to the loosening air vent 21-2, the gas source is introduced into the cylinder 21, the piston rod 22 is extended, the clamping mechanism 3 is driven to ascend, the tongue depressor 36 is separated from the flange surface of the gas-gas pressure transmitter 4, and the gas-gas pressure transmitter 4 is loosened. The walking roller 16 is arranged at the bottom of the device, can be moved at any time, is convenient for the utilization of space and is suitable for different occasions.
[0031] It should be noted that the embodiments described herein are only part of the embodiments of the present application, not all the implementation manners of the present application, the embodiments are only exemplary, and the role is only to provide a more intuitive and clear way to understand the content of the present application, and is not a limitation on the technical solutions of the present application. Without departing from the concept of the present application, all other embodiments that can be thought of by those skilled in the art without creative labor, and other simple replacements and various changes of the technical solutions of the present application, all belong to the protection scope of the present application.
Claims
1. A pressure transmitter inspection fixture, characterized by, Including support mechanism (1), lifting mechanism (2) and clamping mechanism (3), wherein: The support mechanism (1) comprises a base (11), a group of guide columns (12) are vertically arranged on the base (11), a support plate (13) is installed on the top of the guide column (12), a detection positioning seat (14) is arranged on the support plate (13), and a detection gas source interface (15) is arranged on one side of the detection positioning seat (14); The lifting mechanism (2) comprises a gas cylinder (21) installed on the upper side of the base (11), the upper end of the gas cylinder (21) is provided with a piston rod (22), the upper end of the piston rod (22) is connected with a guide plate (23), a group of guide holes are arranged on the guide plate (23), the guide plate (23) is movably arranged on the guide column (12) through the guide hole, vertical plates (24) are arranged at both ends of the guide plate (23), and the clamping mechanism (3) is installed on the top of each vertical plate (24); The clamping mechanism (3) comprises a lower clamping plate (31) installed on the top of the vertical plate (24), a group of adjusting guide rails (32) are arranged in parallel on the upper side of the lower clamping plate (31), and a track gap (33) is left between the two adjusting guide rails (32), an upper clamping plate (34) is arranged on the upper side of the adjusting guide rail (32), a strip-shaped adjusting hole (35) parallel to the track gap (33) is arranged in the middle of the upper clamping plate (34), a tongue depressor (36) is movably arranged in the track gap (33), the top of the tongue depressor (36) is vertically connected with a push-pull rod (37), and the push-pull rod (37) is movably arranged in the strip-shaped adjusting hole (35).
2. The pressure transmitter checkout fixture of claim 1 wherein, The upper clamping plate (34), the adjusting guide rail (32) and the lower clamping plate (31) are tightly connected through the fixing bolt (38).
3. The pressure transmitter checkout fixture of claim 1 wherein, The lower side of the base (11) is provided with a walking roller (16).
4. The pressure transmitter checkout fixture of claim 1 wherein, The side of the gas cylinder (21) is provided with a clamping air port (21-1) and a loosening air port (21-2), the clamping air port (21-1) and the loosening air port (21-2) are connected with two air outlets of a manual reversing valve (26) through air pipes (25) respectively, and the manual reversing valve (26) is provided with a compressed air source interface (26-1) and a reversing handle (26-2).
5. The pressure transmitter checkout fixture of claim 1 wherein, One side of the base (11) is provided with a side plate (17), and the manual reversing valve (26) is installed on the side plate (17).
6. The pressure transmitter checkout fixture of claim 1 wherein, The rib plate (27) is arranged at the connection between the vertical plate (24) and the lower clamping plate (31). The rib plate (27) is arranged at the connection between the vertical plate (24) and the lower clamping plate (31).