CN221238336U - Self-centering measuring head of gas-electricity meter - Google Patents
Self-centering measuring head of gas-electricity meter Download PDFInfo
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- CN221238336U CN221238336U CN202323166994.8U CN202323166994U CN221238336U CN 221238336 U CN221238336 U CN 221238336U CN 202323166994 U CN202323166994 U CN 202323166994U CN 221238336 U CN221238336 U CN 221238336U
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- support
- guide cylinder
- measuring
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- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 4
- 239000013585 weight reducing agent Substances 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a self-centering measuring head of a gas-electricity measuring instrument, which comprises a supporting frame, wherein the supporting frame comprises a supporting plate, three supporting legs in the vertical direction are uniformly distributed at the bottom of the supporting plate, a through hole cavity is formed in the center of the supporting plate, an annular bulge is arranged at the bottom of the supporting plate and extends downwards along the through hole cavity, a guide cylinder is arranged in the through hole cavity in a sliding fit manner, a threaded hole is radially arranged on the annular bulge, a limit screw for limiting the guide cylinder to move up and down is arranged in the threaded hole, the lower end of the guide cylinder is connected with a measuring head, an air outlet pipe which penetrates radially is embedded in the measuring head, a connector which is communicated with the air outlet pipe is arranged at the top of the measuring head in a downward extending manner, the upper end of the connector is connected with an air source through a hose which penetrates through the guide cylinder, the outer diameter of the lower end of the measuring head is gradually reduced, an axial air discharging groove is formed in the outer wall of the measuring head, and a graduated scale is arranged on the outer wall of the guide cylinder. The utility model can solve the problem that the air tap of the measuring head is not easy to be aligned with the measuring section by manual lifting, and has low manufacturing cost and high measuring precision.
Description
Technical Field
The utility model relates to the technical field of deep hole pneumatic measurement, in particular to a self-centering measuring head of a gas-electricity meter.
Background
The common micrometer is widely applicable to measuring shallow holes, has high difficulty in deep hole measurement operation and has high requirements on measurement skills and proficiency; the pneumatic gauge is mainly applied to batch inspection or spot inspection with the tolerance of +/-0.01mm-0.08 mm.
The inventors found in the course of implementing the present utility model that:
However, when the pneumatic gauge is applied to a scene with a precise aperture tolerance of +/-0.003mm (small tolerance), a plurality of sections of intermittent deep holes, a large aperture depth ratio (such as 6 times) and a minimum intermittent width of 1.5 mm (such as an oil distribution disc H and an intermediate intermittent deep hole shown in fig. 1), the measuring head of the conventional pneumatic gauge is not easy to conveniently measure the section position to be measured, the measuring head is not easy to conveniently align to the measuring position due to manual lifting, the inner wall of a product is easy to scratch due to shaking, and the operation is inconvenient; the three-coordinate system has high cost, a special measuring rod and a special measuring needle are required to be arranged for the deep hole, the measuring skill and the measuring cost are high, and the three-coordinate system is not suitable for batch detection.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a self-centering measuring head of a gas-electricity meter, which can solve the problem that the air tap of the measuring head is not easy to align with the measuring section by manual lifting, and has low manufacturing cost and high measuring precision.
For this purpose, the technical scheme of the utility model is as follows: the utility model provides a but gas electricity measuring instrument's self-centering measuring head, includes support frame, its characterized in that: the support frame comprises a support plate, three support legs in the vertical direction are uniformly distributed on the same circumference of the bottom of the support plate, and the lower ends of the support legs form a support part on the end face of the oil distribution disc to be detected;
The center of the supporting plate is provided with a through hole cavity, the bottom of the supporting plate is provided with an annular bulge extending downwards along the through hole cavity, a guide cylinder is arranged in the through hole cavity in a sliding fit manner, the annular bulge is radially provided with a threaded hole, a limit screw for limiting the guide cylinder to move up and down is arranged in the threaded hole,
The lower end of the guide cylinder is connected with a measuring head, an air outlet pipe penetrating along the radial direction is embedded in the measuring head, air nozzles are arranged at the two ends of the air outlet pipe, a connector communicated with the air outlet pipe is arranged at the top of the measuring head in a downward extending way, the upper end of the connector is connected with an air source through a hose penetrating through the guide cylinder,
The outer diameter of the lower end of the measuring head is gradually reduced, an axial exhaust groove extending to the end part is arranged on the outer wall of the measuring head, and a graduated scale is arranged on the outer wall of the guide cylinder.
The technical scheme is further improved as follows: the outer diameter of the lower end of the measuring head is gradually reduced to be in a conical structure, the end part adopts arc transition, the taper is controlled at 3.5 ℃ below zero to be 10 ℃, and the roughness of the surface of the measuring head is controlled at: ra <0.2, rvk <0.4, rpk <0.5 Rk <0.6, waviness Wt <0.5, and arc transition grooves are adopted as the exhaust grooves. The purpose is to guarantee that the measuring head slides smoothly, avoids the pore wall fish tail.
The technical scheme is further improved as follows: the outer end of the limit screw is connected with a knob. The measuring head is conveniently controlled to stop at the corresponding measuring position.
The technical scheme is further improved as follows: the supporting plate is a circular plate, and a weight reducing groove is formed in the position staggered with the supporting legs. The first weight reduction groove is arranged for reducing weight, and the second weight reduction groove is convenient to observe.
The technical scheme is further improved as follows: still include the rack, the rack includes the support platform, locates the stand of support platform one side, is connected with the support that can reciprocate on the stand, and stand one side is kept away from to the support is equipped with the mount, is equipped with the outside connecting rod that extends of level on the mount, and the connecting rod outer end is equipped with the fixation clamp, guide cylinder upper portion is fixed through the fixation clamp, and stop screw is in the unclamping state, and the upper and lower removal of measuring head is realized through the support reciprocates. The purpose of setting up the rack can be applicable to different scenes and stop measuring at any required measuring depth, also can be repeatedly accurate adjust to appointed degree of depth from top to bottom and measure.
The technical scheme is further improved as follows: the support capable of moving up and down is specifically structured in such a way that a rack is arranged outside the upright post, a gear meshed with the rack is embedded on the support, an adjusting lifting knob is arranged at one end of the gear, and the measuring head is lifted up and down by rotating the adjusting lifting knob. The meshing connection structure is arranged, so that the up-and-down movement can be controlled conveniently and stably.
The beneficial effects are that: the utility model has simple design structure, is convenient and practical, and can realize rapid measurement. By arranging the self-centering measuring heads with different specifications, the application scene can be enlarged, the measuring precision is high, the resolution can reach 0.0001mm, and the repeating precision can reach 0.0005mm.
Drawings
Fig. 1 is a cross-sectional view of an oil distribution pan according to the present utility model.
Fig. 2 is a block diagram of the present utility model without a stand.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a top view of fig. 2.
Fig. 5 is a side, partially cross-sectional view of the present utility model.
Fig. 6 is a structural view of the belt stand of the present utility model.
The figure shows: 1. a support plate; 2. a support leg; 3. an annular protrusion; 4. a guide cylinder; 5. a limit screw; 6. a measuring head; 7. a connector; 8. a rack.
Detailed Description
The technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings, but the embodiment should not be construed as limiting the present utility model.
The utility model is as shown in fig. 2 to 6:
The self-centering measuring head of the gas-electricity measuring instrument comprises a supporting frame, wherein the supporting frame comprises a supporting plate 1, three supporting legs 2 in the vertical direction are uniformly distributed on the same circumference at the bottom of the supporting plate, and the lower ends of the supporting legs form a supporting part on the end face of an oil distribution disc to be detected;
The center of the supporting plate is provided with a through hole cavity, the bottom of the supporting plate is provided with an annular bulge 3 extending downwards along the through hole cavity, a guide cylinder 4 is arranged in the through hole cavity in a sliding fit manner, the annular bulge is radially provided with a threaded hole, the threaded hole is internally provided with a limit screw 5 for limiting the guide cylinder to move up and down,
The lower end of the guide cylinder 4 is connected with a measuring head 6, an air outlet pipe 61 penetrating along the radial direction is embedded in the measuring head, air nozzles are arranged at the two ends of the air outlet pipe, a connector 7 communicated with the air outlet pipe is arranged at the top of the measuring head in a downward extending way, the upper end of the connector is connected with an air source through a hose penetrating through the guide cylinder,
The outer diameter of the lower end of the measuring head is gradually reduced, an axial exhaust groove 62 extending to the end part is formed in the outer wall of the measuring head, and a graduated scale is arranged on the outer wall of the guide cylinder.
In the embodiment, the outer diameter of the lower end of the measuring head is gradually reduced to be in a conical structure, the end part adopts arc transition, the taper is controlled at 3.5-10 ℃, and the roughness of the surface of the measuring head is controlled at: ra <0.2, rvk <0.4, rpk <0.5 Rk <0.6, waviness Wt <0.5, and arc transition grooves are adopted as the exhaust grooves. The purpose is to guarantee that the measuring head slides smoothly, avoids the pore wall fish tail.
Wherein, the outer end of the limit screw 5 is connected with a knob. The measuring head is conveniently controlled to stop at the corresponding measuring position.
In the embodiment, the supporting plate 1 is a circular plate, and a weight reducing groove 11 is arranged at a position staggered with the supporting legs. The first weight reduction groove is arranged for reducing weight, and the second weight reduction groove is convenient to observe.
In this embodiment, still can set up rack 8, the rack includes support platform 81, locates stand 82 of support platform one side, is connected with the support 83 that can reciprocate on the stand, and stand one side is kept away from to the support is equipped with mount 84, is equipped with the outside connecting rod 85 that extends of level on the mount, and the connecting rod outer end is equipped with fixation clamp 86, guide cylinder 4 upper portion is fixed through the fixation clamp, and stop screw is in the unclamped state, and the upper and lower removal of measuring head is realized through the support reciprocates. The purpose of setting up the rack can be applicable to different scenes and stop measuring at any required measuring depth, also can be repeatedly accurate adjust to appointed degree of depth from top to bottom and measure.
Wherein, but the support 83 of reciprocates, the concrete structure is, and stand 82 is equipped with rack 87 outward, inlays on the support to be equipped with rack engaged with gear (conventional meshing structure, not express in the figure), and gear one end is equipped with adjusts lift knob 88, realizes measuring head oscilaltion through manual rotation adjustment lift knob. The meshing connection structure is arranged, so that the up-and-down movement can be controlled conveniently and stably.
Where not described in detail in this specification, techniques well known in the art.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. The utility model provides a but gas electricity measuring instrument's self-centering measuring head, includes support frame, its characterized in that: the support frame comprises a support plate, three support legs in the vertical direction are uniformly distributed on the same circumference of the bottom of the support plate, and the lower ends of the support legs form a support part on the end face of the oil distribution disc to be detected;
The center of the supporting plate is provided with a through hole cavity, the bottom of the supporting plate is provided with an annular bulge extending downwards along the through hole cavity, a guide cylinder is arranged in the through hole cavity in a sliding fit manner, the annular bulge is radially provided with a threaded hole, a limit screw for limiting the guide cylinder to move up and down is arranged in the threaded hole,
The lower end of the guide cylinder is connected with a measuring head, an air outlet pipe penetrating along the radial direction is embedded in the measuring head, air nozzles are arranged at the two ends of the air outlet pipe, a connector communicated with the air outlet pipe is arranged at the top of the measuring head in a downward extending way, the upper end of the connector is connected with an air source through a hose penetrating through the guide cylinder,
The outer diameter of the lower end of the measuring head is gradually reduced, an axial exhaust groove extending to the end part is arranged on the outer wall of the measuring head, and a graduated scale is arranged on the outer wall of the guide cylinder.
2. A self-centering head for an electro-pneumatic meter as claimed in claim 1, wherein: the outer diameter of the lower end of the measuring head is gradually reduced to be in a conical structure, the end part of the measuring head adopts arc transition, the taper is controlled at 3.5 ℃ to 10 ℃, and the roughness of the surface of the measuring head is controlled at: ra <0.2, rvk <0.4, rpk <0.5 Rk <0.6, waviness Wt <0.5, and arc transition grooves are adopted as the exhaust grooves.
3. A self-centering head for an electro-pneumatic meter as claimed in claim 1 or claim 2, wherein: the outer end of the limit screw is connected with a knob.
4. A self-centering head for a gas-electric meter as claimed in claim 3, wherein: the supporting plate is a circular plate, and a weight reducing groove is formed in the position staggered with the supporting legs.
5. A self-centering head for an electro-pneumatic instrument as claimed in claim 1 or 2 or 4, wherein: still include the rack, the rack includes the support platform, locates the stand of support platform one side, is connected with the support that can reciprocate on the stand, and stand one side is kept away from to the support is equipped with the mount, is equipped with the outside connecting rod that extends of level on the mount, and the connecting rod outer end is equipped with the fixation clamp, guide cylinder upper portion is fixed through the fixation clamp, and stop screw is in the unclamping state, and the upper and lower removal of measuring head is realized through the support reciprocates.
6. A self-centering head for a gas-electric meter as claimed in claim 5, wherein: the support capable of moving up and down is specifically structured in such a way that a rack is arranged outside the upright post, a gear meshed with the rack is embedded on the support, an adjusting lifting knob is arranged at one end of the gear, and the measuring head is lifted up and down by rotating the adjusting lifting knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323166994.8U CN221238336U (en) | 2023-11-23 | 2023-11-23 | Self-centering measuring head of gas-electricity meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323166994.8U CN221238336U (en) | 2023-11-23 | 2023-11-23 | Self-centering measuring head of gas-electricity meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221238336U true CN221238336U (en) | 2024-06-28 |
Family
ID=91591465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323166994.8U Active CN221238336U (en) | 2023-11-23 | 2023-11-23 | Self-centering measuring head of gas-electricity meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221238336U (en) |
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2023
- 2023-11-23 CN CN202323166994.8U patent/CN221238336U/en active Active
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