CN217820901U - Probe pusher - Google Patents
Probe pusher Download PDFInfo
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- CN217820901U CN217820901U CN202221163619.0U CN202221163619U CN217820901U CN 217820901 U CN217820901 U CN 217820901U CN 202221163619 U CN202221163619 U CN 202221163619U CN 217820901 U CN217820901 U CN 217820901U
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- probe
- hydraulic cylinder
- propelling movement
- push rod
- rod
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- 239000000523 sample Substances 0.000 title claims abstract description 84
- 238000009434 installation Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 238000012544 monitoring process Methods 0.000 abstract description 10
- 238000005065 mining Methods 0.000 abstract description 9
- 239000003245 coal Substances 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 45
- 238000005553 drilling Methods 0.000 description 21
- 239000010720 hydraulic oil Substances 0.000 description 15
- 238000010276 construction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a mine safety monitoring technology field especially relates to a probe pusher, including drive assembly and propelling movement subassembly, drive assembly includes first pneumatic cylinder, and the propelling movement subassembly includes the push rod, and push rod one end is connected with the piston rod of first pneumatic cylinder, and the other end is used for the bearing probe. The utility model discloses a hydraulic drive's pusher replaces artifical manual propelling movement probe, the propelling movement process is more stable controllable, can effectively reduce the required manpower of installation propelling movement, can be with the propelling movement of microseism probe to the ideal position in the deep hole again, avoid appearing receiving the probe, push rod and cable dead weight influence exist the propelling movement easily obstructed, the propelling movement is difficult to reach the ideal position, the in-process of propelling movement wastes time and energy, cause the problem of very big installation depth error, the positioning accuracy of the little coal seam working face of height difference change roof mining activity in the stoping process has been improved, microseism event monitoring accuracy has been guaranteed.
Description
Technical Field
The utility model relates to a mine safety monitoring technical field especially relates to a probe pusher.
Background
And the micro-seismic monitoring technology records and analyzes the energy of mining activities of a working face and the position of a seismic source of the mining activities in the mining process, conjectures the damage degree and the safety condition of mining roof activities, and can realize the risk evaluation of the roof activities in the next stage by combining the mining activities and the surrounding geological environment. The positioning accuracy of mining activity is directly influenced by the installation and arrangement mode of the micro-seismic probe, especially in monitoring a mine mined by a single nearly horizontal coal seam, the height difference of the coal seam is not changed greatly, and if the micro-seismic probe is only arranged on a roadway roof, the positioning accuracy of coal and rock mass activity of a coal seam roof and a coal rock mass bottom plate is influenced. If the drilling is carried out on the ground downwards, the drilling cost is too high due to the limitation of the terrain change and the thickness of overlying strata; if the micro-seismic probe is arranged on a roadway bottom plate and limited by drilling construction equipment, the drilling depth is limited and the verticality is not well guaranteed, the positioning precision is influenced, the micro-seismic probe is arranged in the deep part of a roadway top plate, the drilling depth is not limited and the verticality is guaranteed, and the micro-seismic probe is flexible and convenient to install.
However, in the prior art, when a micro-seismic probe is installed in a deep hole of a top plate, a pushing rod made of iron or ppr (polypropylene) is adopted, and the micro-seismic probe is pushed to a final hole position of a drill hole by multiple workers, so that the problems that the pushing is not moved, the pushing is not to an ideal position, time and labor are wasted in the pushing process and the like due to the self-weight influence of the probe, the pushing rod and a cable easily occur, a great installation depth error is caused, and the micro-seismic monitoring and positioning accuracy is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a probe pusher for solve among the prior art slight shock deep hole probe propelling movement easily obstructed, the propelling movement is difficult to reach ideal position, the propelling movement defect that wastes time and energy among the in-process, realize effectively reducing the required manpower of installation propelling movement, can be with the effect of slight shock probe propelling movement ideal position to the deep hole in again.
The utility model provides a probe pusher, including drive assembly and propelling movement subassembly, drive assembly includes first pneumatic cylinder, the propelling movement subassembly includes the push rod, push rod one end with the piston rod of first pneumatic cylinder is connected, and the other end is used for the bearing probe.
According to the utility model provides a pair of probe pusher, drive assembly still includes the second pneumatic cylinder, the oil-out of second pneumatic cylinder with the oil inlet intercommunication of first pneumatic cylinder.
According to the utility model provides a pair of probe pusher, drive assembly still includes the depression bar, the depression bar with the piston rod of second pneumatic cylinder is connected.
According to the utility model provides a pair of probe pusher still includes the oil tank, the oil-out of first pneumatic cylinder with the oil tank intercommunication, the oil inlet of second pneumatic cylinder with the oil tank intercommunication.
According to the utility model provides a pair of probe pusher, the oil-out of first pneumatic cylinder with be equipped with first valve body on the pipeline of oil tank intercommunication.
According to the utility model provides a pair of probe pusher, the oil inlet of second pneumatic cylinder with be equipped with the second valve body on the pipeline of oil tank intercommunication, the oil-out of second pneumatic cylinder with be equipped with the third valve body on the pipeline of the oil inlet intercommunication of first pneumatic cylinder.
According to the utility model provides a pair of probe pusher still includes the base, be equipped with on the base one end with base articulated connecting rod, the depression bar with the other end of connecting rod rotates to be connected.
According to the utility model provides a pair of probe pusher, the propelling movement subassembly still includes the clamping bar ware, the push rod passes through the clamping bar ware with the piston rod of first pneumatic cylinder is connected.
According to the utility model provides a pair of probe pusher, the clamping bar ware pass through the connecting piece with the piston rod of first pneumatic cylinder is connected.
According to the utility model provides a pair of probe pusher, the tip of push rod is equipped with the bearing the base of probe, the base with push rod rotatable coupling.
The utility model provides a probe pusher, a hydraulic pressure pusher of installation microseism probe in colliery roof deep hole, on treating monitoring working face tunnel roof, in the vertical drilling below of completion of having under construction, drilling is aimed at to the push rod, through first pneumatic cylinder drive push rod linear motion, the piston rod of first pneumatic cylinder removes and drives the push rod removal promptly, the probe is equipped with to the tip of push rod, propelling movement through the push rod, the probe removes along drilling, until reacing the mounted position of probe in drilling, the probe is after the fixed completion of installation in drilling, the removal of rethread first pneumatic cylinder drive push rod, the push rod withdraws from by drilling, thereby realize the propelling movement installation of microseism probe in drilling.
The utility model discloses a hydraulic drive's pusher replaces artifical manual propelling movement probe, the propelling movement process is more stable controllable, can effectively reduce the required manpower of installation propelling movement, can be with the propelling movement of microseism probe to the ideal position in the deep hole again, avoid appearing receiving the probe, push rod and cable dead weight influence exist the propelling movement easily obstructed, the propelling movement is difficult to reach the ideal position, the in-process of propelling movement wastes time and energy, cause the problem of very big installation depth error, the positioning accuracy of the little coal seam working face of height difference change roof mining activity in the stoping process has been improved, microseism event monitoring accuracy has been guaranteed.
In addition to the technical problems addressed by the present invention, the technical features of the constituent technical solutions, and the advantages brought by the technical features of these technical solutions, which have been described above, other technical features of the present invention and the advantages brought by these technical features will be further described with reference to the accompanying drawings, or can be learned by practice of the present invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a probe pushing device provided by the present invention;
reference numerals:
100. a drive assembly; 110. a first hydraulic cylinder; 120. a second hydraulic cylinder; 130. a pressure lever; 140. a first valve body; 150. a second valve body; 160. a third valve body;
200. a push assembly; 210. a push rod; 220. a lever clamp; 230. a connecting member; 240. a base;
300. an oil tank;
400. a base; 410. a connecting rod;
500. drilling; 600. and (4) a probe.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In addition, in the description of the embodiments of the present invention, unless otherwise specified, "a plurality", and "a plurality" mean two or more, and "a plurality", and "a plurality" mean one or more.
In the description of the present specification, references to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1, the embodiment of the present invention provides a probe pushing device, which includes a driving assembly 100 and a pushing assembly 200, the driving assembly 100 includes a first hydraulic cylinder 110, the pushing assembly 200 includes a push rod 210, one end of the push rod 210 is connected to a piston rod of the first hydraulic cylinder 110, and the other end of the push rod is used for supporting the probe 600.
The embodiment of the utility model provides an in the embodiment, be a hydraulic pressure pusher of installing microseismic probe 600 in colliery roof deep hole, treating on the monitoring working face tunnel roof, in the vertical drilling 500 below of having been under construction and accomplished, drilling 500 is aimed at to push rod 210, through the linear motion of first pneumatic cylinder 110 drive push rod 210, the piston rod of first pneumatic cylinder 110 removes drive push rod 210 and removes promptly, push rod 210's tip is equipped with probe 600, propelling movement through push rod 210, probe 600 removes along drilling 500, until reaching the mounted position of probe 600 in drilling 500, probe 600 is after the fixed completion of installation in drilling 500, the rethread first pneumatic cylinder 110 drive push rod 210 removes, push rod 210 withdraws from by drilling 500, thereby realize the propelling movement installation of microseismic probe 600 in drilling 500.
The utility model discloses a hydraulic drive's pusher replaces artifical manual propelling movement probe 600, the propelling movement process is more stable controllable, can effectively reduce the required manpower of installation propelling movement, can be with the ideal position in microseism probe 600 propelling movement to the deep hole again, avoid appearing receiving probe 600, push rod 210 and cable dead weight influence exist the propelling movement easily obstructed, the propelling movement is difficult to reach the ideal position, the in-process of propelling movement is wasted time and energy, cause the problem of very big installation depth error, the positioning accuracy of the little coal seam working face of discrepancy change roof mining activity in the stoping process has been improved, microseism event monitoring accuracy has been guaranteed.
According to the utility model provides an embodiment, drive assembly 100 still includes second pneumatic cylinder 120, and the oil-out of second pneumatic cylinder 120 communicates with the oil inlet of first pneumatic cylinder 110. In this embodiment, in the moving process of the piston rod of the second hydraulic cylinder 120, the oil outlet of the second hydraulic cylinder 120 discharges oil, the oil outlet of the second hydraulic cylinder 120 is communicated with the oil inlet of the first hydraulic cylinder 110 through a pipeline, hydraulic oil in the second hydraulic cylinder 120 enters the first hydraulic cylinder 110, and the hydraulic oil in the first hydraulic cylinder 110 is increased to drive the piston rod of the first hydraulic cylinder 110 to move upward, so as to push the push rod 210 to move to push the probe 600 into the drill hole 500.
According to an embodiment of the present invention, the driving assembly 100 further comprises a pressing rod 130, and the pressing rod 130 is connected to the piston rod of the second hydraulic cylinder 120. In this embodiment, the pressing rod 130 is used as an operation handle of an operator, and the movement of the piston rod of the second hydraulic cylinder 120 can be controlled by the action of the pressing rod 130. When the pressing rod 130 is lifted upwards, the piston rod of the second hydraulic cylinder 120 moves upwards synchronously, hydraulic oil enters the second hydraulic cylinder 120 through the oil inlet of the second hydraulic cylinder 120, and the oil amount in the second hydraulic cylinder 120 is increased; when the pressing rod 130 presses down, the piston rod of the second hydraulic cylinder 120 moves downwards synchronously, hydraulic oil enters the first hydraulic cylinder 110 through the oil outlet of the second hydraulic cylinder 120, the hydraulic oil in the first hydraulic cylinder 110 is increased, the piston rod of the first hydraulic cylinder 110 is driven to move upwards, and then the push rod 210 is pushed to move to push the probe 600 into the drill hole 500. Through repeated lifting and pressing of the press rod 130, the second hydraulic cylinder 120 continuously presses and releases pressure, and the push rod 210 continuously rises until the probe 600 reaches the depth position of the required installation drill hole 500.
According to the utility model provides an embodiment, probe pusher still includes oil tank 300, the oil-out and the oil tank 300 intercommunication of first pneumatic cylinder 110, the oil inlet and the oil tank 300 intercommunication of second pneumatic cylinder 120. In this embodiment, the oil tank 300 is pre-filled with a sufficient amount of hydraulic oil, when the first hydraulic cylinder 110 is depressurized, the hydraulic oil inside the first hydraulic cylinder flows into the oil tank 300 through an oil outlet thereof, the hydraulic oil is stored in the oil tank 300, the second hydraulic cylinder 120 is communicated with the oil tank 300 through an oil inlet thereof, and the hydraulic oil in the oil tank 300 can enter the second hydraulic cylinder 120 through the oil inlet, so that a device structure for recycling the hydraulic oil is established among the second hydraulic cylinder 120, the first hydraulic cylinder 110 and the oil tank 300.
In other embodiments, the oil outlet of the first hydraulic cylinder 110 may directly discharge oil, and the oil inlet of the second hydraulic cylinder 120 may be fed by other oil sources, as well as without recycling of hydraulic oil.
According to the present invention, the first valve body 140 is disposed on the pipeline connecting the oil outlet of the first hydraulic cylinder 110 and the oil tank 300. In this embodiment, in the process that the first hydraulic cylinder 110 drives the push rod 210 to push the probe 600, the first valve body 140 is closed, that is, the pipeline connecting the oil outlet of the hydraulic cylinder and the oil tank 300 is closed, and as the piston rod of the second hydraulic cylinder 120 moves, the hydraulic oil in the second hydraulic cylinder 120 flows into the first hydraulic cylinder 110 and gradually increases, so as to drive the piston rod of the first hydraulic cylinder 110 to move. When the first hydraulic cylinder 110 is depressurized, the second valve body 150 is opened, and the hydraulic oil in the first hydraulic cylinder 110 flows into the oil tank 300 through the pipe.
In this embodiment, the first valve body 140 may be a shutoff valve.
According to the utility model provides an embodiment, be equipped with second valve body 150 on the pipeline of the oil inlet of second pneumatic cylinder 120 and oil tank 300 intercommunication, be equipped with third valve body 160 on the pipeline of the oil-out of second pneumatic cylinder 120 and the oil inlet of first pneumatic cylinder 110 intercommunication. In this embodiment, the pressing rod 130 is lifted, the hydraulic oil enters the second hydraulic cylinder 120 through the second valve body 150 from the oil tank 300, the pressing rod 130 is pressed, and the hydraulic oil enters the first hydraulic cylinder 110 through the third valve body 160 from the second hydraulic cylinder 120. In this embodiment, the second valve body 150 and the first valve body 140 are both check valves to ensure one-way flow of oil paths.
According to the utility model provides an embodiment, probe pusher still includes base 400, is equipped with one end and base 400 articulated connecting rod 410 on the base 400, and depression bar 130 rotates with the other end of connecting rod 410 to be connected. In this embodiment, the base 400 is fixed, one end of the connecting rod 410 is hinged to the base 400, the other end of the connecting rod 410 is rotatably connected to one end of the pressing rod 130, the middle portion of the pressing rod 130 is connected to the piston rod of the second hydraulic cylinder 120, and the pressing rod 130 drives the connecting rod 410 to rotate in the process that an operator can press down or lift up the other end of the pressing rod 130.
In other embodiments, the strut 130 may also be directly independently disposed.
According to an embodiment of the present invention, the pushing assembly 200 further comprises a rod clamping device 220, and the pushing rod 210 is connected to the piston rod of the first hydraulic cylinder 110 through the rod clamping device 220. In this embodiment, the fixed end of the clamping bar 220 is connected to the piston rod of the first hydraulic cylinder 110, the clamping jaw of the clamping bar 220 is connected to the push rod 210, and the clamping bar 220 and the push rod 210 are coaxially disposed to ensure the clamping area with the push rod 210, the piston rod of the first hydraulic cylinder 110 is lifted to drive the clamping bar 220 and the push rod 210 to lift, the clamping bar 220 can change the clamping position on the push rod 210, thereby adjusting the length of the push rod 210 to adapt to the installation of the probe 600 of the drill holes 500 with different depths. The clamping jaw end of the rod clamping device 220 is opened and closed, so that the push rod 210 can be conveniently mounted or dismounted on the rod clamping device 220, and the probe 600 can be conveniently dismounted and mounted, and the whole push rod 210 can be conveniently maintained and replaced.
According to an embodiment of the present invention, the rod clamp 220 is connected to the piston rod of the first hydraulic cylinder 110 through a connecting member 230. In this embodiment, the fixed end of the rod clamping device 220 is connected to the piston rod of the first hydraulic cylinder 110, the connecting member 230 may be a fixed connector, and the connecting member 230 may facilitate the disassembly and assembly of the rod clamping device 220 on the piston rod of the first hydraulic cylinder 110.
According to one embodiment of the present invention, the end of the push rod 210 is provided with a base 240 of the probe 600, and the base 240 is rotatably connected to the push rod 210. In this embodiment, the base 240 is used for holding the probe 600, and the base 240 is detachably mounted at the end of the push rod 210, and can rotate coaxially on the push rod 210 around the axial direction of the push rod 210, so as to adjust the mounting angle of the probe 600.
The utility model discloses probe pusher concrete operation method as follows:
s1, assembling a probe pushing device below a constructed vertical drilling hole 500 on a roadway top plate of a working surface to be monitored;
s2, placing the probe 600 with the movable base 240 into the hole of the installed top plate drill hole 500;
s3, one end of the push rod 210 is connected to a movable base 240 below the probe 600, and the other end of the push rod is fixed on a connecting piece 230 of a piston rod of the first hydraulic cylinder 110 through a rod clamping device 220;
s4, closing the first valve body 140, starting to manually press down and lift the pressing rod 130 to push the push rod 210 upwards, and pushing the probe 600 to the final hole position of the drill hole 500 of the top plate;
s5, opening the first valve body 140, relieving pressure of the first hydraulic cylinder 110, and disassembling the push rod 210 by matching with the rod clamping device 220;
and S6, after the probe 600 is pushed, disassembling the device.
When in use, the valve bodies are not limited to be stop valves, electric valves, electromagnetic valves or other valves which can be opened and closed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a probe pusher which characterized in that: the probe pushing device comprises a driving assembly and a pushing assembly, wherein the driving assembly comprises a first hydraulic cylinder, the pushing assembly comprises a push rod, one end of the push rod is connected with a piston rod of the first hydraulic cylinder, and the other end of the push rod is used for supporting a probe.
2. The probe pushing device according to claim 1, wherein: the driving assembly further comprises a second hydraulic cylinder, and an oil outlet of the second hydraulic cylinder is communicated with an oil inlet of the first hydraulic cylinder.
3. The probe pushing device according to claim 2, wherein: the driving assembly further comprises a pressing rod, and the pressing rod is connected with a piston rod of the second hydraulic cylinder.
4. The probe pushing device according to claim 2, wherein: the oil outlet of the first hydraulic cylinder is communicated with the oil tank, and the oil inlet of the second hydraulic cylinder is communicated with the oil tank.
5. The probe pushing device according to claim 4, wherein: and a first valve body is arranged on a pipeline for communicating the oil outlet of the first hydraulic cylinder with the oil tank.
6. The probe pushing device according to claim 4, wherein: and a second valve body is arranged on a pipeline for communicating the oil inlet of the second hydraulic cylinder with the oil tank, and a third valve body is arranged on a pipeline for communicating the oil outlet of the second hydraulic cylinder with the oil inlet of the first hydraulic cylinder.
7. The probe pushing device according to claim 3, wherein: still include the base, be equipped with on the base one end with base articulated connecting rod, the depression bar with the other end of connecting rod rotates to be connected.
8. The probe pushing device according to claim 1, wherein: the pushing assembly further comprises a rod clamping device, and the push rod is connected with a piston rod of the first hydraulic cylinder through the rod clamping device.
9. The probe pushing device according to claim 8, wherein: the rod clamping device is connected with a piston rod of the first hydraulic cylinder through a connecting piece.
10. The probe pushing device according to claim 1, wherein: the end part of the push rod is provided with a base for supporting the probe, and the base is rotatably connected with the push rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221163619.0U CN217820901U (en) | 2022-05-13 | 2022-05-13 | Probe pusher |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221163619.0U CN217820901U (en) | 2022-05-13 | 2022-05-13 | Probe pusher |
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Publication Number | Publication Date |
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CN217820901U true CN217820901U (en) | 2022-11-15 |
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Family Applications (1)
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CN202221163619.0U Active CN217820901U (en) | 2022-05-13 | 2022-05-13 | Probe pusher |
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CN (1) | CN217820901U (en) |
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2022
- 2022-05-13 CN CN202221163619.0U patent/CN217820901U/en active Active
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