CN216748141U - Underground pipeline detecting instrument with clamping function for engineering measurement - Google Patents
Underground pipeline detecting instrument with clamping function for engineering measurement Download PDFInfo
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- CN216748141U CN216748141U CN202220166645.2U CN202220166645U CN216748141U CN 216748141 U CN216748141 U CN 216748141U CN 202220166645 U CN202220166645 U CN 202220166645U CN 216748141 U CN216748141 U CN 216748141U
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Abstract
The utility model relates to the technical field of underground pipeline detecting instruments, in particular to an underground pipeline detecting instrument with a clamping function for engineering measurement, which comprises two detecting contacts, wherein a detecting clamping mechanism for jointing with a spool is arranged on each detecting contact, each detecting clamping mechanism comprises two groups of rotating assemblies, an installation rod and two groups of limiting assemblies, the rotating assemblies are arranged at one ends of the detecting contacts, the installation rods are arranged between the two groups of rotating assemblies, the two groups of limiting assemblies are arranged on the installation rods corresponding to the rotating assemblies, the device is convenient to joint with a pipeline when in detecting operation through the arranged detecting clamping mechanisms, the use convenience of the device is improved, the contact is convenient to be used for winding and unwinding, time and labor are saved, the detecting pipelines are also very tightly jointed, and pipelines with different specifications are also convenient to joint, guarantee the result of use of device, the ejector pin is avoided from dropping from the spout by the dog.
Description
Technical Field
The utility model relates to the technical field of underground pipeline detectors, in particular to an underground pipeline detector with a clamping function for engineering measurement.
Background
The underground pipeline detecting instrument has several different detection modes, if a section of the detected pipeline is exposed, the underground pipeline detecting instrument needs to be clamped, the clamping operation is troublesome, the adaptability is poor, the traditional underground pipeline detecting instrument is not attached to a pipeline when in use, tools need to be frequently replaced due to different pipeline specifications, and the underground pipeline detecting instrument for engineering measurement with the clamping function is provided aiming at the problems.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the related art, the utility model provides an underground pipeline detecting instrument with a clamping function for engineering measurement, which aims to overcome the technical problems in the prior related art.
The technical scheme of the utility model is realized as follows:
an underground pipeline detector with a clamping function for engineering measurement comprises two detection contacts, wherein a detection clamping mechanism for being attached to a line pipe is mounted on each detection contact;
the detection clamping mechanism comprises two sets of rotating assemblies, an installation rod and two sets of limiting assemblies, wherein one end of the detection contact is installed on each rotating assembly, the rotating assemblies are installed on two sets of rotating assemblies, the installation rod is installed between the rotating assemblies, the position of each rotating assembly corresponding to the installation rod is installed on two sets of limiting assemblies.
Furthermore, every group the runner assembly mainly comprises connecting rod, carousel and torsion shaft, detection contact one end fixedly connected with the connecting rod, the connecting rod other end fixedly connected with the carousel, the torsion shaft is installed at the connecting rod center, the carousel pass through the torsion shaft with the installation pole is rotated and is connected.
Furthermore, each group of limiting components mainly comprises a mounting plate, an ejector rod, two limiting strips, four stop blocks, a ratchet bar, a spring A, a clamping block and a pull rod, wherein one side of the mounting rod, which is close to the detection contact, is fixedly connected with the mounting plate, the inner side of the mounting plate is provided with a sliding groove, the sliding groove penetrates through the surface of the mounting plate, the inner side of the sliding groove is slidably connected with the ejector rod, the outer side of the ejector rod is symmetrically and fixedly connected with the two limiting strips, the outer side of the mounting plate is provided with limiting grooves, which penetrate through the surface of the mounting plate, the inner side of the limiting grooves is slidably connected with the limiting strips, both ends of the limiting strips are fixedly connected with the stop blocks, the width of each stop block is twice that of the limiting strip, one side of the ejector rod, which is close to the mounting rod, is fixedly connected with the ratchet bar, one side of the inner side of the cover sliding groove, which is close to the ratchet bar, is fixedly connected with the spring A, the other end of the spring A is fixedly connected with the clamping block, the outer side of the clamping block is connected with the ratchet bar in a sliding mode, one side, close to the spring A, of the clamping block is fixedly connected with the pull rod, the pull rod penetrates through the mounting plate, and the outer side of the pull rod is connected with the mounting plate in a sliding mode.
Furthermore, the movement track of the ejector rod is linear, and the connecting rod is arranged on the movement track of the ejector rod.
Furthermore, the detection clamping mechanism further comprises a handle, and one side, far away from the limiting assembly, of the mounting rod is fixedly connected with the handle.
Further, it detects the installation fixture that is used for the centre gripping still to be equipped with the supplementary detection contact on the clamping mechanism to detect, installation fixture includes connecting block, slide bar, push pedal, spring B and three group's laminating subassemblies, the equal fixedly connected with in installation pole both ends the connecting block, the inboard sliding connection of connecting block has the slide bar, the slide bar runs through the connecting block, slide bar top fixedly connected with the push pedal, the push pedal with fixedly connected with between the connecting block spring B, spring B sets up the circumference position of slide bar, the slide bar is kept away from the one end outside fixedly connected with of push pedal the laminating subassembly, wherein two the laminating subassembly sets up two one side that the slide bar is close to each other, another the laminating subassembly outside with installation pole fixed connection.
Further, every group laminating subassembly mainly comprises sleeve pipe, loop bar, spring C, ball socket and commentaries on classics ball, the inboard sliding connection of sleeve pipe has the loop bar, the loop bar be close to the slide bar one side with fixedly connected with between the sleeve pipe spring C, the loop bar is kept away from the one end fixedly connected with of slide bar the ball socket, the inboard rotation of ball socket is connected with change the ball.
Furthermore, the outer sides of the two sleeves are fixedly connected with the sliding rod, the outer side of the other sleeve is fixedly connected with the mounting rod, and the three rotating balls are arranged close to each other.
The utility model provides an underground pipeline detector with a clamping function for engineering measurement, which has the following beneficial effects:
1. according to the detection device, the detection clamping mechanism is arranged, so that the device can be conveniently attached to a pipeline in the detection operation, the use convenience of the device is improved, the device can be conveniently folded and unfolded to be used for a second time, time and labor are saved, the detection contact is very tightly attached to the pipeline, the device can be conveniently attached to pipelines with different specifications, the use effect of the device is ensured, and the stop block prevents the ejector rod from falling from the sliding groove.
2. According to the utility model, the detection contact is conveniently clamped and installed on the pipeline by the aid of the installation clamping mechanism, operation is simple, movement is convenient, the clamping effect of the device is improved, the device can adapt to pipelines of different specifications, the application range of the device is expanded, the clamping effect is good, the handle is directly pulled, the loop bar is contracted in the sleeve, the device can be drawn out, and disassembly is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of an underground pipeline survey instrument for engineering survey having a clamping function according to an embodiment of the present invention;
FIG. 2 is a schematic view illustrating an installation structure of a test clamping mechanism of an underground pipeline survey instrument for engineering survey having a clamping function according to an embodiment of the present invention;
FIG. 3 is a schematic view illustrating an installation structure of a rotary unit of an underground pipeline survey instrument for engineering survey having a clamping function according to an embodiment of the present invention;
FIG. 4 is a schematic view illustrating an installation structure of a position limiting assembly of the underground pipeline detecting instrument for engineering measurement with a clamping function according to an embodiment of the present invention;
FIG. 5 is a schematic view of an installation structure of an installation clamping mechanism of an underground pipeline survey instrument for engineering survey having a clamping function according to an embodiment of the present invention;
FIG. 6 is a schematic view illustrating an installation structure of a jointing assembly of an underground pipeline detecting instrument for engineering measurement with a clamping function according to an embodiment of the present invention;
in the figure:
1. detecting a contact;
2. detecting the clamping mechanism; 21. a rotating assembly; 211. a connecting rod; 212. a turntable; 213. a torsion shaft; 22. mounting a rod; 23. a limiting component; 231. mounting a plate; 232. a top rod; 233. a limiting strip; 234. a stopper; 235. a ratchet bar; 236. a spring A; 237. a clamping block; 238. a pull rod; 24. a handle;
3. installing a clamping mechanism; 31. connecting blocks; 32. a slide bar; 33. pushing a plate; 34. a spring B; 35. fitting the assembly; 351. a sleeve; 352. a loop bar; 353. a spring C; 354. a ball socket; 355. and (5) rotating the ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model is further described with reference to the following drawings and detailed description:
the first embodiment is as follows:
referring to fig. 1, 2, 3 and 4, an underground pipeline detecting instrument with a clamping function for engineering survey according to an embodiment of the present invention includes two detecting contacts 1, wherein the detecting contacts 1 are provided with a detecting and clamping mechanism 2 for attaching to a conduit;
the detection clamping mechanism 2 comprises two groups of rotating assemblies 21, mounting rods 22 and two groups of limiting assemblies 23, the rotating assemblies 21 are mounted at one ends of the detection contacts 1, the mounting rods 22 are mounted between the two groups of rotating assemblies 21, and the two groups of limiting assemblies 23 are mounted on the mounting rods 22 corresponding to the positions of the rotating assemblies 21.
Each group of rotating assemblies 21 mainly comprises a connecting rod 211, a rotating disc 212 and a torsion shaft 213, one end of the detection contact 1 is fixedly connected with the connecting rod 211, the other end of the connecting rod 211 is fixedly connected with the rotating disc 212, the torsion shaft 213 is installed at the center of the connecting rod 211, and the rotating disc 212 is rotatably connected with the installation rod 22 through the torsion shaft 213.
Each group of limit components 23 mainly comprises a mounting plate 231, a mandril 232, two limit strips 233, four stop blocks 234, a ratchet bar 235, a spring A236, a stop block 237 and a pull rod 238, wherein one side of the mounting rod 22, which is close to the detection contact 1, is fixedly connected with the mounting plate 231, the inner side of the mounting plate 231 is provided with a sliding groove, the sliding groove penetrates through the surface of the mounting plate 231, the inner side of the sliding groove is slidably connected with the mandril 232, the outer side of the mandril 232 is symmetrically and fixedly connected with the two limit strips 233, the outer side of the mounting plate 231 is provided with a limit groove, the limit groove penetrates through the surface of the mounting plate 231, the inner side of the limit groove is slidably connected with the limit strips 233, both ends of the limit strips 233 are fixedly connected with the stop blocks 234, the width of each stop block 234 is twice that of the limit strip 233, one side of the mandril 232, which is close to the mounting rod 22, the inner side of the cover sliding groove, which is close to the ratchet bar 235, is fixedly connected with the spring A236, a latch 237 is fixedly connected to the other end of the spring a236, an outer side of the latch 237 is slidably connected to the ratchet bar 235, a pull rod 238 is fixedly connected to one side of the latch 237 close to the spring a236, the pull rod 238 penetrates through the mounting plate 231, and an outer side of the pull rod 238 is slidably connected to the mounting plate 231.
The movement locus of the push rod 232 is linear, and the connecting rod 211 is arranged on the movement locus of the push rod 232.
The detection clamping mechanism 2 further comprises a handle 24, and the handle 24 is fixedly connected to one side of the mounting rod 22 far away from the limiting assembly 23.
During detection, the pull rod 238 is pulled to separate the fixture 237 from the ratchet bar 235, the push rod 232 is pulled away from the connecting rod 211, then the torsion shaft 213 drives the turntable 212 to rotate, the turntable 212 rotates to drive the detection contacts 1 to contact with the pipeline through the connecting rod 211, then detection operation is performed, after the detection is completed, the connecting rod 211 is pushed by pushing the push rod 232, the connecting rod 211 rotates to drive the turntable 212 to rotate on the mounting rod 22 through the torsion shaft 213, then the detection contacts 1 are separated from the pipeline, the two detection contacts 1 are opened, then the spring A236 pushes the fixture 237 to be attached to the ratchet bar 235, the torsion of the torsion shaft 213 drives the connecting rod 211 to be attached to the push rod 232, so that the push rod 232 cannot move randomly, when the push rod 232 slides in the sliding groove of the mounting plate 231, the limit strip 233 slides in the limit groove of the mounting plate 231, the limit strip 233 ensures the stability of the movement of the push rod 232, and the stopper 234 prevents the push rod 232 from falling off from the sliding groove, make the device convenient and pipeline laminating when detecting the operation, improve the convenience that the device used, and conveniently receive and release and reserve the secondary use in advance, labour saving and time saving, and 1 pipeline laminating of detection contact is also very inseparable, and the different specifications of laminating of also being convenient for guarantees the result of use of device.
The second embodiment:
referring to fig. 1, 5 and 6, the underground pipeline detecting instrument with the clamping function for engineering survey according to the embodiment of the present invention includes two detecting contacts 1, wherein the detecting contacts 1 are provided with a detecting and clamping mechanism 2 for attaching to a conduit;
the detection clamping mechanism 2 comprises two groups of rotating assemblies 21, mounting rods 22 and two groups of limiting assemblies 23, the rotating assemblies 21 are mounted at one ends of the detection contacts 1, the mounting rods 22 are mounted between the two groups of rotating assemblies 21, and the two groups of limiting assemblies 23 are mounted on the mounting rods 22 corresponding to the positions of the rotating assemblies 21.
It detects the installation fixture 3 that is used for the centre gripping still to be equipped with supplementary detection contact 1 on the clamping mechanism 2, installation fixture 3 includes connecting block 31, slide bar 32, push pedal 33, spring B34 and three group's laminating subassemblies 35, the equal fixedly connected with connecting block 31 in installation pole 22 both ends, the inboard sliding connection of connecting block 31 has slide bar 32, slide bar 32 through connection piece 31, slide bar 32 top fixedly connected with push pedal 33, fixedly connected with spring B34 between push pedal 33 and the connecting block 31, spring B34 sets up the circumference position at slide bar 32, the one end outside fixedly connected with laminating subassembly 35 of push pedal 33 is kept away from to slide bar 32, wherein two laminating subassemblies 35 set up the one side that is close to each other at two slide bars 32, another laminating subassembly 35 outside and installation pole 22 fixed connection.
Each group of jointing assemblies 35 mainly comprises a sleeve 351, a loop bar 352, a spring C353, a ball socket 354 and a rotating ball 355, wherein the inner side of the sleeve 351 is connected with the loop bar 352 in a sliding manner, the spring C353 is fixedly connected between one side of the loop bar 352 close to the sliding rod 32 and the sleeve 351, one end of the loop bar 352 far away from the sliding rod 32 is fixedly connected with the ball socket 354, and the inner side of the ball socket 354 is connected with the rotating ball 355 in a rotating manner.
The outer sides of two sleeves 351 are fixedly connected with the sliding rod 32, the outer side of the other sleeve 351 is fixedly connected with the mounting rod 22, and the three rotating balls 355 are arranged close to each other.
Firstly, the handle 24 is held by hand to drive the mounting rod 22 to move, then the rotating balls 355 are uniformly arranged on the outer side of the pipeline, then the attaching component 35 pushes the push plate 33, so that the push plate 33 drives the sliding rod 32 to move, the rotating balls 355 on the mounting rod 22 and the rotating balls 355 on the sliding rod 32 are close to each other, the spring C353 pushes the push plate 33 to enable the rotating balls 355 to be attached to the pipeline, then the position of the detection contact 1 is adjusted, further the rotating balls 355 roll on the pipeline, the rotating balls 355 roll in the ball sockets 354, the detection contact 1 is clamped and mounted on the pipeline by the device conveniently, the operation is simple, the movement is convenient, the clamping effect of the device is improved, the device can adapt to pipelines with different specifications, the application range of the device is expanded, the clamping effect is good, the handle 24 is directly pulled, the sleeve rod 352 is contracted in the sleeve 351, the device can be drawn out, and the disassembly is convenient.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, when in use, firstly, the handle 24 is held by hand to drive the mounting rod 22 to move, then the rotating balls 355 are uniformly arranged on the outer side of the pipeline, then the attaching component 35 pushes the push plate 33 to make the push plate 33 drive the slide rod 32 to move, the rotating balls 355 on the mounting rod 22 and the rotating balls 355 on the slide rod 32 are close to each other, the spring C353 pushes the push plate 33 to make the rotating balls 355 and the pipeline attached, then the position of the detection contact 1 is adjusted, further the rotating balls 355 roll on the pipeline, the rotating balls 355 roll in the ball sockets 354, the detection contact 1 is clamped and mounted on the pipeline by the convenient device, the operation is simple, the movement is convenient, the clamping effect of the device is improved, the use range of the device is expanded, the clamping effect is good, the handle 24 is directly pulled, the sleeve rod 352 is contracted in the sleeve 351, the device can be drawn out, the disassembly is convenient, and during detection, pulling the pull rod 238 to separate the latch 237 from the ratchet bar 235, pulling the push rod 232 away from the connecting rod 211, then the torsion shaft 213 driving the turntable 212 to rotate, the turntable 212 driving the detection contacts 1 to contact the pipe through the connecting rod 211, then performing detection operation, after that, pushing the push rod 232 to push the connecting rod 211, the connecting rod 211 rotating driving the turntable 212 to rotate on the mounting rod 22 through the torsion shaft 213, then the detection contacts 1 separating from the pipe, the two detection contacts 1 are opened, then the spring a236 pushing the latch 237 to attach to the ratchet bar 235, the torsion of the torsion shaft 213 driving the connecting rod 211 to attach to the push rod 232, so that the push rod 232 does not move at will, when the push rod 232 slides in the sliding slot of the mounting plate 231, the limit bar 233 slides in the limit slot of the mounting plate 231, the limit bar 233 ensures the stability of the movement of the push rod 232, and the stop 234 preventing the push rod 232 from falling from the sliding slot, make the device convenient and pipeline laminating when detecting the operation, improve the convenience that the device used, and conveniently receive and release and reserve the secondary use in advance, labour saving and time saving, and 1 pipeline laminating of detection contact is also very inseparable, and the different specifications of laminating of also being convenient for guarantees the result of use of device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an underground pipeline detection instrument is used in engineering survey with clamping function which characterized in that: the detection device comprises two detection contacts (1), wherein a detection clamping mechanism (2) for being attached to a spool is arranged on each detection contact (1);
detect clamping mechanism (2) and include two sets of runner assembly (21), installation pole (22) and two sets of spacing subassembly (23), it installs to detect contact (1) one end runner assembly (21), it is two sets of install between runner assembly (21) installation pole (22), correspond on installation pole (22) two sets of are installed to the position of runner assembly (21) spacing subassembly (23).
2. The underground pipeline detecting instrument for engineering measurement with the clamping function as claimed in claim 1, wherein: each group of rotating assemblies (21) mainly comprises a connecting rod (211), a rotary table (212) and a torsion shaft (213), one end of each detection contact (1) is fixedly connected with the connecting rod (211), the other end of each connecting rod (211) is fixedly connected with the rotary table (212), the torsion shaft (213) is installed at the center of each connecting rod (211), and the rotary table (212) is rotatably connected with the installation rod (22) through the torsion shaft (213).
3. The underground pipeline detecting instrument for engineering measurement with the clamping function as claimed in claim 2, wherein: each group of limiting assembly (23) mainly comprises a mounting plate (231), a top rod (232), two limiting strips (233), four stoppers (234), a ratchet bar (235), a spring A (236), a clamping block (237) and a pull rod (238), one side of the mounting rod (22) close to the detection contact (1) is fixedly connected with the mounting plate (231), the inner side of the mounting plate (231) is provided with a sliding groove, the sliding groove penetrates through the surface of the mounting plate (231), the inner side of the sliding groove is slidably connected with the top rod (232), the outer side of the top rod (232) is symmetrically and fixedly connected with the two limiting strips (233), the outer side of the mounting plate (231) is provided with a limiting groove, the limiting groove penetrates through the surface of the mounting plate (231), the inner side of the limiting groove is slidably connected with the limiting strips (233), and the stoppers (234) are fixedly connected at both ends of the limiting strips (233), the width of the stop block (234) is twice that of the limit strip (233), one side of the top rod (232) close to the mounting rod (22) is fixedly connected with the ratchet bar (235), one side of the inner side of the cover sliding groove close to the ratchet bar (235) is fixedly connected with the spring A (236), the other end of the spring A (236) is fixedly connected with the fixture block (237), the outer side of the fixture block (237) is slidably connected with the ratchet bar (235), one side of the fixture block (237) close to the spring A (236) is fixedly connected with the pull rod (238), the pull rod (238) penetrates through the mounting plate (231), and the outer side of the pull rod (238) is slidably connected with the mounting plate (231).
4. The underground pipeline detecting instrument for engineering measurement with the clamping function as claimed in claim 3, wherein: the motion track of the push rod (232) is linear, and the connecting rod (211) is arranged on the motion track of the push rod (232).
5. The underground pipeline detecting instrument for engineering measurement with the clamping function as claimed in claim 1, wherein: the detection clamping mechanism (2) further comprises a handle (24), and one side, far away from the limiting component (23), of the mounting rod (22) is fixedly connected with the handle (24).
6. The underground pipeline detecting instrument for engineering measurement with the clamping function as claimed in claim 1, wherein: detect and still be equipped with on clamping mechanism (2) supplementary detection contact (1) and detect installation fixture (3) that are used for the centre gripping, installation fixture (3) include connecting block (31), slide bar (32), push pedal (33), spring B (34) and three group's laminating subassemblies (35), the equal fixedly connected with in installation pole (22) both ends connecting block (31), connecting block (31) inboard sliding connection has slide bar (32), slide bar (32) run through connecting block (31), slide bar (32) top fixedly connected with push pedal (33), push pedal (33) with fixedly connected with between connecting block (31) spring B (34), spring B (34) set up the circumference position of slide bar (32), slide bar (32) are kept away from the one end outside fixedly connected with of push pedal (33) laminating subassembly (35), wherein two laminating subassemblies (35) set up two slide bar (32) one side that is close to each other, another laminating subassembly (35) outside with installation pole (22) fixed connection.
7. The underground pipeline detecting instrument for engineering measurement with the clamping function according to claim 6, characterized in that: each group of the attaching assembly (35) mainly comprises a sleeve (351), a loop bar (352), a spring C (353), a ball socket (354) and a rotating ball (355), wherein the loop bar (352) is connected to the inner side of the sleeve (351) in a sliding mode, the spring C (353) is fixedly connected between one side, close to the sliding rod (32), of the loop bar (352) and the sleeve (351), the ball socket (354) is fixedly connected to one end, far away from the sliding rod (32), of the loop bar (352), and the rotating ball (355) is connected to the inner side of the ball socket (354) in a rotating mode.
8. The underground pipeline detecting instrument for engineering measurement with the clamping function as claimed in claim 7, wherein: the outer sides of the two sleeves (351) are fixedly connected with the sliding rod (32), the outer side of the other sleeve (351) is fixedly connected with the mounting rod (22), and the three rotating balls (355) are arranged close to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220166645.2U CN216748141U (en) | 2022-01-21 | 2022-01-21 | Underground pipeline detecting instrument with clamping function for engineering measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220166645.2U CN216748141U (en) | 2022-01-21 | 2022-01-21 | Underground pipeline detecting instrument with clamping function for engineering measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216748141U true CN216748141U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220166645.2U Active CN216748141U (en) | 2022-01-21 | 2022-01-21 | Underground pipeline detecting instrument with clamping function for engineering measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216748141U (en) |
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2022
- 2022-01-21 CN CN202220166645.2U patent/CN216748141U/en active Active
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