CN222978995U - Gas meter air tightness calibrating device - Google Patents
Gas meter air tightness calibrating device Download PDFInfo
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- CN222978995U CN222978995U CN202422071841.3U CN202422071841U CN222978995U CN 222978995 U CN222978995 U CN 222978995U CN 202422071841 U CN202422071841 U CN 202422071841U CN 222978995 U CN222978995 U CN 222978995U
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Abstract
The utility model discloses a gas meter air tightness verification device, which relates to the technical field of gas meter air tightness verification devices and comprises a sonic spraying end type gas meter inspection device and a clamping and jacking assembly, wherein the clamping and jacking assembly comprises a jacking unit and a limiting and clamping unit, and the limiting and clamping unit is used for forming centering clamping on a gas meter to be tested in the process of upward movement of the jacking unit so as to realize automatic alignment operation of an air inlet end and an air outlet end of the gas meter to be tested and a detection connection air tap. According to the utility model, the clamping and jacking assembly is arranged to realize automatic alignment and butt joint operation of the air inlet end and the air outlet end of the gas meter to be tested and the detection connecting air tap, so that the operation of manual supporting and fine adjustment alignment is omitted in the butt joint process of the gas meter to be tested and the detection connecting air tap, and the detection operation convenience of the sonic spraying-end type gas meter inspection device is further improved.
Description
Technical Field
The utility model relates to the technical field of gas meter air tightness calibrating devices, in particular to a gas meter air tightness calibrating device.
Background
The gas meter gas tightness test and inspection are important links for ensuring the safe operation of the gas system, and after the gas meter production is completed, the gas meter gas tightness test is required to ensure that the system cannot leak, thereby ensuring the life and property safety of users.
The existing gas meter air tightness detection is mostly carried out by adopting a sonic nozzle type gas meter detection device, for example, a GNP sonic nozzle type gas meter detection device, which is equipment for detecting a gas meter and is generally composed of the following parts:
the power system comprises a fan, a frequency converter and the like and provides power for the device;
The control system comprises a control cabinet, control software and the like and is used for controlling the operation of the device;
The standard source system consists of a front-back hysteresis device, a valve, a nozzle and the like, and provides standard gas flow;
The meter system to be inspected comprises front and rear straight pipe sections, a workbench, a meter clamping device, a connecting valve and the like, and is used for installing and verifying the meter to be inspected;
The working principle of the sonic jet end type gas meter inspection device is that stable air flow is generated by utilizing a sonic nozzle, and the accuracy and precision of the gas meter are judged by comparing the reading of the detected gas meter with the standard flow.
When the existing gas meter detection device adopting the GNP sonic nozzle method is used for detecting the gas tightness of the gas meter, the gas meter to be detected is placed on one lifting seat, and then the lifting seat is driven to move upwards by an electric push rod, so that the gas inlet end and the gas outlet end of the detected gas meter are in butt joint with two detection connecting air nozzles, and then detection operation can be carried out, and the whole operation is simple and convenient;
In the actual operation process, because the top of the lifting seat is of a planar structure, when the gas meter is placed on the lifting seat, the gas inlet end and the gas outlet end of the gas meter to be detected cannot be guaranteed to be in an aligned state with the detection connection gas nozzle, and in the process of moving up the lifting seat, personnel are required to manually support the gas meter to be detected and finely adjust the gas meter to realize the alignment and the butt joint of the gas inlet end and the gas outlet end with the detection connection gas nozzle, so that the operation is inconvenient, and the gas meter gas tightness verification device is provided based on the operation.
Disclosure of utility model
The utility model aims to provide a gas meter air tightness verification device for solving the problem in the rising background.
The utility model provides a gas meter air tightness verification device which comprises a base main body, an n-type top frame and a sonic spraying end type gas meter verification device consisting of a detection connection air tap, wherein the n-type top frame is fixed at the top end of the base main body, the detection connection air tap is arranged at the bottom of the transverse part of the top of the n-type top frame, a clamping and jacking assembly is arranged between the base main body and the n-type top frame and used for realizing the butt joint operation of a gas meter to be tested and the detection connection air tap and fixing the gas meter to be tested;
the clamping and jacking assembly comprises a jacking unit and a limiting clamping unit;
The jacking unit is used for forming a support at the bottom of the gas meter to be tested, and pushing the gas meter to be tested to move upwards to realize the butt joint operation of the gas inlet end, the gas outlet end and the detection connecting air tap of the gas meter to be tested;
The limiting clamping unit is used for forming centering clamping on the gas meter to be tested in the process of moving upwards of the jacking unit, so that automatic alignment operation of the gas inlet end, the gas outlet end and the detection connection air tap of the gas meter to be tested is realized.
As a still further scheme of the utility model, the jacking unit comprises a fixed guide rail, an electric push rod, a lifting seat and a limiting backboard;
The fixed guide rail is fixed between the top end of the machine base main body and the bottom end of the transverse part of the top of the n-type top frame, and is positioned at the rear end of the middle of the two detection connecting air nozzles;
The electric push rod is arranged at the top end of the stand main body and distributed at the front end of the fixed guide rail, the lifting seat is in limiting sliding connection with the front end of the fixed guide rail and is fixed at the top of the output end of the electric push rod, and the limiting backboard is fixed at the top of the lifting seat and is attached to the front end of the fixed guide rail;
The lifting seat is used for providing support for the gas meter to be tested, the limiting backboard is used for providing limiting for the back surface of the gas meter to be tested, and the fixed guide rail drives the lifting seat to move upwards to realize the butt joint operation of the gas meter to be tested and the detection connection air tap.
As a still further proposal of the utility model, the limiting and clamping unit comprises a fixed pressing block, a horizontal chute, a pressed block, a connecting rod and an L-shaped clamping block;
The horizontal sliding grooves are symmetrically formed in two sides of the limiting backboard and penetrate through the front end and the rear end of the limiting backboard, the pressed blocks are distributed at the rear end of the limiting backboard, the connecting rods are fixed at the front end of the pressed blocks and are connected with the horizontal sliding grooves in a sliding manner, and the connecting rods penetrate through the horizontal sliding grooves to the front end of the limiting backboard and are fixedly connected with the L-shaped clamping blocks;
The fixed pressing block is symmetrically fixed at the bottom end of the transverse part of the top of the n-type top frame by taking the fixed guide rail as a center, and the side surface of the bottom end of the fixed pressing block is attached to the side surface of the top end of the pressed block;
When the lifting seat and the limiting backboard move upwards, the pressed block is extruded by the fixed pressing block to move horizontally, so that the two L-shaped clamping blocks are mutually close, the gas meter to be tested is pushed and clamped through the two L-shaped clamping blocks, and the automatic alignment of the gas inlet end, the gas outlet end and the detection connection air tap of the gas meter to be tested is realized.
As a still further scheme of the utility model, the side surfaces of the pressed block and the fixed pressing block, which are in contact with each other, are of cambered surface structures, and the end surfaces of the pressed block, the L-shaped clamping block and the horizontal sliding chute are in a fitting state.
As a still further proposal of the utility model, the limiting and clamping unit also comprises a fixed side plate and a compression spring plate;
the fixed side plates are symmetrically fixed at the rear end of the horizontal chute and distributed on two sides of the outer part of the fixed guide rail;
The compression spring plates are distributed between the compression block and the fixed side plate, and two ends of the compression spring plates are respectively adhered and fixed on the compression block and the fixed side plate;
The compression spring piece is used for providing thrust for the two pressed blocks to be far away from each other.
Compared with the prior art, the utility model has the beneficial effects that:
The automatic alignment and the butt joint operation of the air inlet end, the air outlet end and the detection connection air tap of the gas meter to be tested can be realized by arranging the clamping jacking component, so that the operation of manual supporting and fine adjustment alignment is omitted in the butt joint process of the gas meter to be tested and the detection connection air tap, and the detection operation convenience of the sonic spraying end type gas meter inspection device is further improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram illustrating the detachment of the clamping and lifting assembly according to the present utility model;
FIG. 3 is a schematic view of the rear end structure of the present utility model;
FIG. 4 is a partial component structure diagram of a clamp jack assembly of the present utility model;
fig. 5 is a schematic view illustrating a part of the clamping and lifting assembly according to the present utility model.
In the figure, a gas meter inspection device with a sonic spraying end comprises a machine base main body, a machine base 102, an n-type top frame, a detection connection air tap 103, a clamping lifting assembly 201, a fixed guide rail 202, a fixed pressing block 203, an electric push rod 204, a lifting seat 205, a limiting backboard 206, a horizontal sliding groove 207, a pressure receiving block 208, a connecting rod 209, an L-shaped clamping block 210, a fixed side plate 211 and a compression spring plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, in an embodiment of the present utility model, a gas meter air tightness verification device includes a base main body 101, an n-type top frame 102, and a sonic jet end type gas meter verification device 1 composed of a detection connection air tap 103, wherein the n-type top frame 102 is fixed on the top end of the base main body 101, the detection connection air tap 103 is installed at the bottom of the top transverse portion of the n-type top frame 102, a clamping and jacking assembly 2 is arranged between the base main body 101 and the n-type top frame 102, and the clamping and jacking assembly 2 is used for implementing the butt joint operation of a gas meter to be tested and the detection connection air tap 103 and fixing the gas meter to be tested;
the clamping and jacking assembly 2 comprises a jacking unit and a limiting and clamping unit;
the jacking unit is used for forming a support at the bottom of the gas meter to be tested, and pushing the gas meter to be tested to move upwards to realize the butt joint operation of the gas inlet end, the gas outlet end and the detection connecting air tap 103 of the gas meter to be tested;
The limiting clamping unit is used for forming centering clamping on the gas meter to be tested in the process of moving up the jacking unit, so that automatic alignment operation of the gas inlet end and the gas outlet end of the gas meter to be tested and the detection connection air tap 103 is realized;
The jacking unit comprises a fixed guide rail 201, an electric push rod 203, a lifting seat 204 and a limiting backboard 205;
The fixed guide rail 201 is fixed between the top end of the stand main body 101 and the bottom end of the transverse part of the top of the n-type top frame 102, and the fixed guide rail 201 is positioned at the rear end of the middle of the two detection connection air nozzles 103;
The electric push rod 203 is arranged at the top end of the stand main body 101 and distributed at the front end of the fixed guide rail 201, the lifting seat 204 is in limit sliding connection with the front end of the fixed guide rail 201 and is fixed at the top of the output end of the electric push rod 203, and the limit backboard 205 is fixed at the top of the lifting seat 204 and is attached to the front end of the fixed guide rail 201;
The lifting seat 204 is used for providing support for the gas meter to be tested, the limiting backboard 205 is used for providing limiting for the back surface of the gas meter to be tested, and the fixed guide rail 201 drives the lifting seat 204 to move upwards so as to realize the butt joint operation of the gas meter to be tested and the detection connection air tap 103;
The limiting clamping unit comprises a fixed pressing block 202, a horizontal sliding groove 206, a pressed block 207, a connecting rod 208 and an L-shaped clamping block 209;
The horizontal sliding grooves 206 are symmetrically formed in two sides of the limiting backboard 205 and penetrate through the front end and the rear end of the limiting backboard 205, the compression blocks 207 are distributed at the rear end of the limiting backboard 205, the connecting rods 208 are fixed at the front end of the compression blocks 207 and are connected with the horizontal sliding grooves 206 in a sliding manner, and the connecting rods 208 penetrate through the horizontal sliding grooves 206 to the front end of the limiting backboard 205 and are fixedly connected with the L-shaped clamping blocks 209;
the fixed pressing block 202 is symmetrically fixed at the bottom end of the transverse part of the top of the n-type top frame 102 by taking the fixed guide rail 201 as a center, and the side surface of the bottom end of the fixed pressing block 202 is attached to the side surface of the top end of the pressed block 207;
When the lifting seat 204 and the limiting backboard 205 move upwards, the pressure receiving block 207 is extruded by the fixed pressing block 202 to horizontally move, so that the two L-shaped clamping blocks 209 are mutually close, and the gas meter to be tested is pushed and clamped through the two L-shaped clamping blocks 209, so that the automatic alignment of the gas inlet end, the gas outlet end and the detection connection air tap 103 of the gas meter to be tested is realized.
In the embodiment, the operation steps of the sonic jet type gas meter inspection device 1 are as follows when in use:
Placing the gas meter to be measured on the top of the lifting seat 204, wherein the gas inlet end and the gas outlet end of the gas meter to be measured face upwards, the digital meter of the gas meter to be measured faces towards the front end, and the rear end of the gas meter to be measured contacts the limiting backboard 205 (it is to be noted that the initial states of the two L-shaped clamping blocks 209 are in a mutually distant state, and the distance between the two L-shaped clamping blocks 209 is larger than the width of the outer wall of the gas meter to be measured, so that interference is not caused to the placement of the gas meter to be measured);
After the gas meter to be measured is placed, the electric push rod 203 can be started, the electric push rod 203 drives the lifting seat 204, the limiting backboard 205, the pressure receiving block 206, the connecting rod 207 and the L-shaped clamping block 209 to move upwards, in the process, the pressure receiving block 206 and the fixed pressing block 202 are mutually extruded, the pressure receiving block 206 approaches to the middle part of the limiting backboard 205 under the action of the extrusion force, the pressure receiving block 206 drives the L-shaped clamping block 209 to move through the connecting rod 207, and the two L-shaped clamping blocks 209 approach to each other to form centering clamping on the gas meter to be measured, so that the automatic alignment of the gas inlet end, the gas outlet end and the detection connecting air tap 103 of the gas meter to be measured is realized;
Then, the gas meter to be detected which is centered and fixed continuously moves upwards along with the lifting seat 204, and finally the gas inlet end and the gas outlet end of the gas meter to be detected are respectively inserted into the inner sides of the two detection connecting air nozzles 103, and then detection operation can be performed (to be noted, the detection structure of the sonic spraying end type gas meter detection device 1 is a structure in the prior art, and the scheme does not improve the structure, so that the structure is not expanded repeatedly);
Through the cooperation of above a plurality of parts, make the gas table that awaits measuring with detect and connect the air cock 103 in-process, saved manual support, the operation of fine setting alignment, further improved the detection operation convenience of sonic spraying end formula gas table verifying attachment 1.
Referring to fig. 1 to 5, the sides of the pressed block 207 and the fixed pressing block 202 that are in contact with each other are all in an arc structure, and the pressed block 207, the L-shaped clamping block 209 and the end face of the horizontal chute 206 are in a fitting state.
In the embodiment, the cambered surface structures of the pressed block 207 and the fixed pressed block 202 enable the pressed block 207 and the fixed pressed block 202 to have smaller resistance when in mutual contact extrusion, and meanwhile, the function of horizontal movement of the pressed block 207 under the stress is realized, and finally, the pressed block 207 is attached to the vertical side surface of the fixed pressed block 202, so that the stable clamping function of the L-shaped clamping block is ensured.
Referring to fig. 1 to 5, the limiting and clamping unit further includes a fixed side plate 210 and a compression spring plate 211;
The fixed side plates 210 are symmetrically fixed at the rear end of the horizontal chute 206, and the fixed side plates 210 are distributed at two outer sides of the fixed guide rail 201;
The compression spring plates 211 are distributed between the compression block 207 and the fixed side plate 210, and two ends of the compression spring plates 211 are respectively adhered and fixed on the compression block 207 and the fixed side plate 210;
The compression spring 211 is used for providing thrust force for the two compression blocks 207 away from each other.
In the present embodiment, it should be noted that the compression spring 211 is always in a compressed state, so that the two L-shaped clamping blocks 209 can keep a stable state away from each other;
during the upward movement and the horizontal movement of the pressed block 207, the compression spring 211 is further compressed and contracted, so as to power the downward movement and the reset of the pressed block 207.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a gas table gas tightness calibrating installation, includes by frame main part (101), n type roof-rack (102), detects sonic injection end formula gas table verifying attachment (1) that connect air cock (103) to constitute, n type roof-rack (102) are fixed in frame main part (101) top, detect the bottom that connects air cock (103) to install in the horizontal position in n type roof-rack (102) top, characterized in that, be provided with centre gripping jacking subassembly (2) between frame main part (101) and n type roof-rack (102), centre gripping jacking subassembly (2) are used for realizing the butt joint operation of gas table and detection connection air cock (103) to be tested and are fixed to the gas table that awaits measuring;
the clamping and jacking assembly (2) comprises a jacking unit and a limiting and clamping unit;
The jacking unit is used for forming a support at the bottom of the gas meter to be tested, and pushing the gas meter to be tested to move upwards to realize the butt joint operation of the gas inlet end, the gas outlet end and the detection connecting air tap (103) of the gas meter to be tested;
the limiting clamping unit is used for forming centering clamping on the gas meter to be tested in the process of moving upwards of the jacking unit, so that automatic alignment operation of the gas inlet end, the gas outlet end and the detection connection air tap (103) of the gas meter to be tested is realized.
2. The gas meter air tightness verification device according to claim 1, wherein the jacking unit comprises a fixed guide rail (201), an electric push rod (203), a lifting seat (204) and a limiting backboard (205);
The fixed guide rail (201) is fixed between the top end of the base main body (101) and the bottom end of the transverse part of the top of the n-type top frame (102), and the fixed guide rail (201) is positioned at the rear end of the middle of the two detection connecting air nozzles (103);
The electric push rod (203) is arranged at the top end of the base main body (101) and distributed at the front end of the fixed guide rail (201), the lifting seat (204) is in limiting sliding connection with the front end of the fixed guide rail (201) and fixed at the top of the output end of the electric push rod (203), and the limiting backboard (205) is fixed at the top of the lifting seat (204) and is attached to the front end of the fixed guide rail (201);
The lifting seat (204) is used for providing support for a gas meter to be tested, the limiting backboard (205) is used for providing limiting for the back surface of the gas meter to be tested, and the fixed guide rail (201) drives the lifting seat (204) to move upwards so as to realize the butt joint operation of the gas meter to be tested and the detection connection air tap (103).
3. The gas meter air tightness verification device according to claim 2, wherein the limiting clamping unit comprises a fixed pressing block (202), a horizontal sliding groove (206), a pressed block (207), a connecting rod (208) and an L-shaped clamping block (209);
The horizontal sliding grooves (206) are symmetrically formed in two sides of the limiting backboard (205) and penetrate through the front end and the rear end of the limiting backboard (205), the pressed blocks (207) are distributed at the rear end of the limiting backboard (205), the connecting rods (208) are fixed at the front end of the pressed blocks (207) and are connected with the horizontal sliding grooves (206) in a sliding mode, and the connecting rods (208) penetrate through the horizontal sliding grooves (206) to the front end of the limiting backboard (205) and are fixedly connected with the L-shaped clamping blocks (209);
The fixed pressing block (202) is symmetrically fixed at the bottom end of the transverse part of the top of the n-type top frame (102) by taking the fixed guide rail (201) as a center, and the side surface of the bottom end of the fixed pressing block (202) is attached to the side surface of the top end of the pressed block (207);
When the lifting seat (204) and the limiting backboard (205) move upwards, the pressed block (207) is extruded by the fixed pressing block (202) to horizontally move, so that two L-shaped clamping blocks (209) are mutually close, and the gas meter to be tested is pushed and clamped through the two L-shaped clamping blocks (209) to be used for realizing automatic alignment of the gas inlet end, the gas outlet end and the detection connection air tap (103) of the gas meter to be tested.
4. A gas tightness verification device according to claim 3, wherein the sides of the pressed block (207) and the fixed pressing block (202) which are in contact with each other are in a cambered surface structure, and the pressed block (207), the L-shaped clamping block (209) and the end face of the horizontal chute (206) are in a fitting state.
5. A gas meter air tightness verification device according to claim 3, wherein the limit clamping unit further comprises a fixed side plate (210) and a compression spring plate (211);
The fixed side plates (210) are symmetrically fixed at the rear end of the horizontal chute (206), and the fixed side plates (210) are distributed on two sides of the outer part of the fixed guide rail (201);
The compression spring pieces (211) are distributed between the compression block (207) and the fixed side plate (210), and two ends of the compression spring pieces (211) are respectively adhered and fixed on the compression block (207) and the fixed side plate (210);
The compression spring piece (211) is used for providing thrust for the two compression blocks (207) which are far away from each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422071841.3U CN222978995U (en) | 2024-08-26 | 2024-08-26 | Gas meter air tightness calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422071841.3U CN222978995U (en) | 2024-08-26 | 2024-08-26 | Gas meter air tightness calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222978995U true CN222978995U (en) | 2025-06-13 |
Family
ID=95972503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422071841.3U Active CN222978995U (en) | 2024-08-26 | 2024-08-26 | Gas meter air tightness calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222978995U (en) |
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2024
- 2024-08-26 CN CN202422071841.3U patent/CN222978995U/en active Active
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