CN115369706A - Universal precision reflection prism for track monitoring - Google Patents
Universal precision reflection prism for track monitoring Download PDFInfo
- Publication number
- CN115369706A CN115369706A CN202210840139.1A CN202210840139A CN115369706A CN 115369706 A CN115369706 A CN 115369706A CN 202210840139 A CN202210840139 A CN 202210840139A CN 115369706 A CN115369706 A CN 115369706A
- Authority
- CN
- China
- Prior art keywords
- prism
- connecting rod
- adjusting
- ball
- mounting seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B35/00—Applications of measuring apparatus or devices for track-building purposes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/1805—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for prisms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a universal precision reflection prism for track monitoring, which comprises a bottom mounting seat used as a mounting base, wherein a lower connecting rod is arranged on the bottom mounting seat, an adjusting locking seat is arranged at the upper end of the lower connecting rod, an adjusting ball for direction adjustment is arranged in the adjusting locking seat, an upper connecting rod is arranged in the adjusting ball, and the free end of the upper connecting rod is connected with a prism mounting seat for mounting the prism. The prism is completely made of nylon, the driving is not affected even if the severe environment falls off or is damaged manually, the driving safety of the operation line is guaranteed, the whole body is pasted at the rail waist or the side face of the contact net upright post by adopting glue injection and the bottom mounting seat, the adjusting ball ensures the adjusting direction of the prism, the mounting height of the prism can be adjusted through the adjusting ball and the upper connecting rod, the adjustment is flexible and convenient, the MC nylon ensures that the prism body is good in toughness, super-wear-resistant, high in hardness and not prone to deformation, and the measurement error can be greatly weakened.
Description
Technical Field
The invention belongs to the technical field of track monitoring, and particularly relates to a universal precise reflecting prism for track monitoring.
Background
In precision engineering measurement, the most representative deformation bodies include dams, bridges, high-rise buildings, slopes, tunnels, subways and the like. For a complex engineering structure, the actual condition of the engineering is difficult to predict accurately, so field monitoring is necessary to know the actual condition of the engineering, and deformation monitoring is the first content of safety monitoring.
The deformation monitoring is various works such as continuously observing the deformation phenomenon of the deformation body by using a special instrument and a special method, analyzing the deformation performance of the deformation body, predicting the deformation development situation of the deformation body and the like. The task is to determine the space state and time characteristics of the shape, size and position change of the deformation body under the action of various loads and external forces.
The urban rail transit construction of various major cities in China is in a vigorous development period, the national trend of standardization and strictness on safety control measures is high, the attention degree of engineering monitoring major is improved year by year, and the industry is urgently needed to make breakthrough on new materials, new equipment, new processes and new technologies.
Disclosure of Invention
The invention is provided for solving the problems in the prior art, and aims to provide a universal precise reflecting prism for track monitoring.
The technical scheme of the invention is as follows: the utility model provides a track monitoring is with universal accurate reflection prism, includes the bottom mount pad as the installation basis, be provided with down the connecting rod on the mount pad of bottom, the connecting rod upper end is provided with down adjusts the locking seat, be provided with the regulation ball that carries out the direction and adjust in adjusting the locking seat, be provided with the connecting rod in the regulation ball, it links to each other with the prism mount pad of installation prism to go up the connecting rod free end.
Furthermore, a glue injection port is formed in the upper end of the bottom mounting seat, a gluing channel is formed in the bottom of the bottom mounting seat, and the glue injection port is communicated with the gluing channel.
Furthermore, an internal thread hole is formed in the middle of the bottom mounting seat, an external thread is formed on the outer wall of the lower connecting rod, and the lower connecting rod is screwed into the bottom mounting seat.
Furthermore, adjust the locking seat and include the go-between, the go-between lower extreme links to each other with lower connecting rod, the go-between upper end is provided with the pedestal, the top of pedestal forms and carries out the chamber that holds that part held to the adjusting ball.
Furthermore, a seat body external thread is formed on the outer wall of the seat body, an adjusting ball locking cap is arranged on the seat body external thread, a through hole is formed in the top of the adjusting ball locking cap, the adjusting ball extends out of the through hole of the adjusting ball locking cap, and the adjusting ball is pressed in the adjusting locking seat by the adjusting ball locking cap.
Further, the diameter of the through hole of the top portion in the adjusting ball locking cap is smaller than the diameter of the adjusting ball.
Furthermore, a threaded counter bore is formed in the adjusting ball, an external thread is formed on the outer wall of the upper connecting rod, and the upper connecting rod is screwed into the threaded counter bore.
Furthermore, a circular groove matched with the shape of the prism is formed at the end part of the prism mounting seat, a through hole is formed in the middle of the prism fixing cap, and the prism is fixed in the prism mounting seat by the prism fixing cap.
Furthermore, the depth of the circular groove at the end part of the prism mounting seat is half of the thickness of the prism.
Furthermore, the bottom mounting seat, the lower connecting rod, the adjusting locking seat, the adjusting ball, the upper connecting rod, the prism mounting seat, the prism fixing cap and the adjusting ball locking cap are made of MC nylon.
The invention has the following beneficial effects:
the prism is completely made of nylon, so that the driving is not influenced even if severe environment falls off or the prism is artificially damaged, the driving safety of the operation line is guaranteed, the whole body is adhered to the rail waist or the side surface of the contact net upright post by adopting glue injection and a bottom mounting seat, the adjusting ball ensures the adjusting direction of the prism, the mounting height of the prism can be adjusted through the adjusting ball and the upper connecting rod, the adjustment is flexible and convenient, and the MC nylon ensures that the prism body is good in toughness, super-wear-resistant, high in hardness and not prone to deformation, so that the measurement error can be greatly reduced.
Drawings
FIG. 1 is a schematic view of the overall assembly of the present invention;
FIG. 2 is a schematic view of the structure of the fitting hemispherical groove in the present invention;
FIG. 3 is a schematic view showing a structure of an assembled taper groove according to the present invention;
FIG. 4 is a schematic view of a bottom mount of the present invention;
FIG. 5 is a schematic view of another embodiment of the bottom mount of the present invention;
wherein:
1. bottom mount 2 lower connecting rod
3. Adjusting locking seat 4 adjusting ball
5. Upper connecting rod 6 prism mounting base
7. Prism 8 prism fixing cap
9. Adjusting ball locking cap
31. Connecting ring 32 base
33. Seat body external thread 34 assembling hemispherical groove
35. Assembling taper groove
101. Glue inlet 102 glue inlet channel
103. Branch channel 104I of glue distribution main channel
105. Channel II, 106 and III
107. No. IV branch channel 108 sliding block
109. Internal threaded hole of movable column 110
111. Annular branch channel of bottom rib plate 112
113. Number i epitaxial channel 114 number ii epitaxial channel.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings and examples:
as shown in fig. 1 to 5, a universal precision reflection prism for track monitoring comprises a bottom mounting base 1 serving as a mounting base, wherein a lower connecting rod 2 is arranged on the bottom mounting base 1, an adjusting locking base 3 is arranged at the upper end of the lower connecting rod 2, an adjusting ball 4 for adjusting the direction is arranged in the adjusting locking base 3, an upper connecting rod 5 is arranged in the adjusting ball 4, and the free end of the upper connecting rod 5 is connected with a prism mounting base 6 for mounting a prism 7.
The glue injection port 101 is formed in the upper end of the bottom mounting seat 1, a gluing channel is formed at the bottom of the bottom mounting seat 1, and the glue injection port 101 is communicated with the gluing channel.
An internal thread hole 110 is formed in the middle of the bottom mounting seat 1, an external thread is formed on the outer wall of the lower connecting rod 2, and the lower connecting rod 2 is screwed into the bottom mounting seat 1.
The adjusting locking seat 3 comprises a connecting ring 31, the lower end of the connecting ring 31 is connected with the lower connecting rod 2, a seat body 32 is arranged at the upper end of the connecting ring 31, and the top of the seat body 32 forms an accommodating cavity for partially accommodating the adjusting ball 4.
The outer wall department of pedestal 32 forms pedestal external screw thread 33, be provided with on the pedestal external screw thread 33 and adjust ball locking cap 9, it forms the through-hole to adjust ball locking cap 9 top, adjust ball 4 part and lean out from the through-hole of adjusting ball locking cap 9, it presses adjusting ball 4 in adjusting locking seat 3 to adjust ball locking cap 9.
The diameter of the through hole at the top in the adjusting ball locking cap 9 is smaller than the diameter of the adjusting ball 4.
A thread counter bore is formed in the adjusting ball 4, an external thread is formed on the outer wall of the upper connecting rod 5, and the upper connecting rod 5 is screwed into the thread counter bore.
The end of the prism mounting seat 6 is provided with a circular groove which is matched with the prism 7 in shape, the middle of the prism fixing cap 8 is provided with a through hole, and the prism fixing cap 8 fixes the prism 7 in the prism mounting seat 6.
The depth of the circular groove at the end part of the prism mounting seat 6 is half of the thickness of the prism 7.
Specifically, the outer wall of the prism mounting seat 6 is provided with an external thread, the prism fixing cap 8 is provided with an internal thread, and the prism mounting seat 6 and the prism fixing cap 8 are in threaded fit, so that the prism 7 is pressed in the prism mounting seat 6 through the prism fixing cap 8.
Preferably, the prism fixing cap 8 and the adjusting ball locking cap 9 are polygonal in outer wall, so that manual screwing operation is facilitated.
The accommodating cavity at the top of the adjusting locking seat 3 is in surface contact or line contact with the adjusting ball 4.
Preferably, the top of the adjusting locking seat 3 forms an assembling semispherical groove 34, the assembling semispherical groove 34 is in surface contact with the adjusting ball 4, and the adjusting ball locking cap 9 integrally presses the adjusting ball 4 to increase the friction force between the adjusting ball 4 and the assembling semispherical groove 34.
Preferably, the top of the adjusting locking seat 3 forms an assembling tapered groove 35, the top of the assembling tapered groove 35 is larger than the diameter of the adjusting ball 4, the bottom of the assembling tapered groove 35 is smaller than the diameter of the adjusting ball 4, and the adjusting ball 4 and the assembling tapered groove 35 are in annular contact with each other, in this embodiment, the adjusting ball 4 is pressed by the adjusting ball locking cap 9, so that the adjusting ball 4 gradually moves downwards, and the adjusting ball 4 is locked.
The gluing channel is formed by enclosing the side wall of the bottom mounting seat 1 and the bottom rib plate 111.
Specifically, the glue injection port 101 is obliquely arranged, and a support rib is arranged between the glue injection port 101 and the top of the bottom mounting seat 1.
Specifically, a glue inlet channel 102 is formed in the bottom mounting base 1, and the glue injection port 101 is communicated with the glue inlet channel 102.
The glue inlet channel 102 is communicated with the glue distribution main channel 103, and the glue inlet channel 102 and the glue distribution main channel 103 are vertically communicated.
And a No. I branch channel 104, a No. II branch channel 105, a No. III branch channel 106 and a No. IV branch channel 107 are arranged on the other side of the glue separation main channel 103. The main glue-separating channel 103 is vertically communicated with a branch channel I104, a branch channel II 105, a branch channel III 106 and a branch channel IV 107.
Preferably, the branch channel I104, the branch channel II 105, the branch channel III 106 and the branch channel IV 107 are parallel.
The branch passages I and II 104 and 105 are positioned on one side of the internally threaded hole 110, and the branch passages III and IV 107 are positioned on the other side of the internally threaded hole 110.
The lower end of the bottom rib plate 111 is flush with the lower end of the bottom mounting seat 1.
Sliding blocks 108 are arranged in the second branch channels 105 and the fourth branch channels 107, and the sliding blocks 108 can be pushed by glue injection in the glue injection process so as to slide along the second branch channels 105 and the fourth branch channels 107.
One side of the slide block 108 is provided with a moving post 109, and a slide hole is formed in the bottom mount 1, into which the moving post 109 is inserted.
Yet another embodiment
The utility model provides a track monitoring is with universal accurate reflection prism, includes bottom mount pad 1 as the installation basis, be provided with down connecting rod 2 on the bottom mount pad 1, 2 upper ends of connecting rod are provided with down and adjust locking seat 3, be provided with the regulation ball 4 that carries out the direction and adjust in adjusting locking seat 3, be provided with connecting rod 5 in the regulation ball 4, it links to each other with prism mount pad 6 of installation prism 7 to go up 5 free ends of connecting rod.
The glue injection port 101 is formed in the upper end of the bottom mounting seat 1, a gluing channel is formed in the bottom of the bottom mounting seat 1, and the glue injection port 101 is communicated with the gluing channel.
An internal thread hole 110 is formed in the middle of the bottom mounting seat 1, an external thread is formed on the outer wall of the lower connecting rod 2, and the lower connecting rod 2 is screwed into the bottom mounting seat 1.
The adjusting locking seat 3 comprises a connecting ring 31, the lower end of the connecting ring 31 is connected with the lower connecting rod 2, a seat body 32 is arranged at the upper end of the connecting ring 31, and the top of the seat body 32 forms an accommodating cavity for partially accommodating the adjusting ball 4.
The outer wall department of pedestal 32 forms pedestal external screw thread 33, be provided with on the pedestal external screw thread 33 and adjust ball locking cap 9, it forms the through-hole to adjust ball locking cap 9 top, adjust ball 4 part and lean out from the through-hole of adjusting ball locking cap 9, it presses adjusting ball 4 in adjusting locking seat 3 to adjust ball locking cap 9.
The diameter of the through hole at the top in the adjusting ball locking cap 9 is smaller than the diameter of the adjusting ball 4.
A thread counter bore is formed in the adjusting ball 4, an external thread is formed on the outer wall of the upper connecting rod 5, and the upper connecting rod 5 is screwed into the thread counter bore.
The end of the prism mounting seat 6 is provided with a circular groove which is matched with the prism 7 in shape, the middle of the prism fixing cap 8 is provided with a through hole, and the prism fixing cap 8 fixes the prism 7 in the prism mounting seat 6.
The depth of the circular groove at the end part of the prism mounting seat 6 is half of the thickness of the prism 7.
Specifically, the outer wall of the prism mounting seat 6 is provided with an external thread, the prism fixing cap 8 is provided with an internal thread, and the prism mounting seat 6 and the prism fixing cap 8 are in threaded fit, so that the prism 7 is pressed in the prism mounting seat 6 through the prism fixing cap 8.
Preferably, the prism fixing cap 8 and the adjusting ball locking cap 9 are polygonal in outer wall, so that manual screwing operation is facilitated.
The accommodating cavity at the top of the adjusting locking seat 3 is in surface contact or line contact with the adjusting ball 4.
Preferably, the top of the adjusting locking seat 3 forms an assembling semispherical groove 34, the assembling semispherical groove 34 is in surface contact with the adjusting ball 4, and the adjusting ball locking cap 9 integrally presses the adjusting ball 4 to increase the friction force between the adjusting ball 4 and the assembling semispherical groove 34.
Preferably, the top of the adjusting locking seat 3 forms an assembling tapered groove 35, the top of the assembling tapered groove 35 is larger than the diameter of the adjusting ball 4, the bottom of the assembling tapered groove 35 is smaller than the diameter of the adjusting ball 4, and the adjusting ball 4 and the assembling tapered groove 35 are in annular contact with each other, in this embodiment, the adjusting ball 4 is pressed by the adjusting ball locking cap 9, so that the adjusting ball 4 gradually moves downwards, and the adjusting ball 4 is locked.
The gluing channel is formed by enclosing the side wall of the bottom mounting seat 1 and the bottom rib plate 111.
Specifically, the glue injection port 101 is obliquely arranged, and a support rib is arranged between the glue injection port 101 and the top of the bottom mounting seat 1.
Specifically, a glue inlet channel 102 is formed in the bottom mounting seat 1, and the glue injection port 101 is communicated with the glue inlet channel 102.
An annular branch channel 112 is formed in the bottom mounting seat 1, and the annular branch channel 112 is communicated with the glue inlet channel 102.
Preferably, the annular branch passage 112 is coaxial with the internally threaded bore 110.
No. I epitaxial channel 113, no. II epitaxial channel 114 are still formed to bottom mount pad 1 lower extreme, no. I epitaxial channel 113, no. II epitaxial channel 114 are parallel with income gluey passageway 102, and are located the both sides of bottom mount pad 1 axis respectively.
And sliding blocks 108 are arranged in the No. I extending channels 113 and the No. II extending channels 114, and the sliding blocks 108 can slide along the No. I extending channels 113 and the No. II extending channels 114.
One side of the slide block 108 is provided with a moving post 109, and a slide hole is formed in the bottom mount 1, into which the moving post 109 is inserted.
The sliding block 108, the bottom rib plate 111 and the lower end of the bottom mounting seat 1 are flush.
The working process of the invention is as follows:
firstly, the adjusting ball 4 is put into the adjusting locking seat 3, the adjusting ball locking cap 9 is sleeved on the adjusting locking seat, the adjusting ball locking cap 9 is not screwed down, then the connecting rod 5 is screwed up in the adjusting ball 4, the prism 7 is installed in the prism installation seat 6, the prism fixing cap 8 is screwed up, and the prism 7 is fixed.
Then, the bottom mounting base 1 is mounted at the rail web or the preset position of the contact net upright post, and glue is injected into the gluing channel through the glue injection port 101.
Then, the movable column 109 is observed in the glue injection process, and glue injection is stopped when the movable column 109 is extended out of the outer wall of the bottom mounting seat 1.
Finally, the adjusting ball 4 is adjusted to enable the prism 7 to reach the designated angle position, and the adjusting ball locking cap 9 is screwed down to fix the adjusting ball 4 and complete the installation of the reflecting prism.
The prism is completely made of nylon, the driving is not affected even if the severe environment falls off or is damaged manually, the driving safety of the operation line is guaranteed, the whole body is pasted at the rail waist or the side face of the contact net upright post by adopting glue injection and the bottom mounting seat, the adjusting ball ensures the adjusting direction of the prism, the mounting height of the prism can be adjusted through the adjusting ball and the upper connecting rod, the adjustment is flexible and convenient, the MC nylon ensures that the prism body is good in toughness, super-wear-resistant, high in hardness and not prone to deformation, and the measurement error can be greatly weakened.
Claims (10)
1. The utility model provides a track monitoring is with universal accurate reflection prism, includes bottom mount pad (1) as the installation basis, its characterized in that: connecting rod (2) down are provided with on bottom mount pad (1), connecting rod (2) upper end is provided with down adjusts locking seat (3), be provided with regulation ball (4) that carry out the direction and adjust in adjusting locking seat (3), be provided with connecting rod (5) in adjusting ball (4), it links to each other with prism mount pad (6) of installation prism (7) to go up connecting rod (5) free end.
2. The universal precision reflecting prism for track monitoring according to claim 1, characterized in that: bottom mount pad (1) upper end is provided with injecting glue mouth (101), and bottom mount pad (1) bottom forms the veneer passageway, injecting glue mouth (101) and veneer passageway intercommunication.
3. The universal precision reflecting prism for track monitoring according to claim 1, characterized in that: an internal thread hole (110) is formed in the middle of the bottom mounting seat (1), an external thread is formed on the outer wall of the lower connecting rod (2), and the lower connecting rod (2) is screwed into the bottom mounting seat (1).
4. The universal precision reflecting prism for track monitoring according to claim 1, characterized in that: adjust locking seat (3) and include go-between (31), go-between (31) lower extreme links to each other with lower connecting rod (2), go-between (31) upper end is provided with pedestal (32), the top of pedestal (32) is formed and is carried out the chamber that holds that part held to adjusting ball (4).
5. The universal precision reflecting prism for track monitoring according to claim 4, characterized in that: the outer wall department of pedestal (32) forms pedestal external screw thread (33), be provided with on pedestal external screw thread (33) and adjust ball locking cap (9), adjust ball locking cap (9) top and form the through-hole, adjust ball (4) part and lean out from the through-hole of adjusting ball locking cap (9), adjust ball locking cap (9) and will adjust ball (4) and press in adjusting locking seat (3).
6. The universal precision reflection prism for track monitoring according to claim 5, characterized in that: the diameter of the through hole at the top of the adjusting ball locking cap (9) is smaller than that of the adjusting ball (4).
7. The universal precision reflection prism for track monitoring according to claim 6, characterized in that: a thread counter bore is formed in the adjusting ball (4), an external thread is formed on the outer wall of the upper connecting rod (5), and the upper connecting rod (5) is screwed into the thread counter bore.
8. The universal precision reflecting prism for track monitoring according to claim 1, characterized in that: the end part of the prism mounting seat (6) forms a circular groove matched with the shape of the prism (7), the middle part of the prism fixing cap (8) forms a through hole, and the prism fixing cap (8) fixes the prism (7) in the prism mounting seat (6).
9. The universal precision reflecting prism for track monitoring according to claim 8, characterized in that: the depth of the circular groove at the end part of the prism mounting seat (6) is half of the thickness of the prism (7).
10. The universal precision reflection prism for track monitoring according to claim 1, characterized in that: the bottom mounting seat (1), the lower connecting rod (2), the adjusting locking seat (3), the adjusting ball (4), the upper connecting rod (5), the prism mounting seat (6), the prism fixing cap (8) and the adjusting ball locking cap (9) are made of MC nylon materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210840139.1A CN115369706A (en) | 2022-07-18 | 2022-07-18 | Universal precision reflection prism for track monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210840139.1A CN115369706A (en) | 2022-07-18 | 2022-07-18 | Universal precision reflection prism for track monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115369706A true CN115369706A (en) | 2022-11-22 |
Family
ID=84061544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210840139.1A Pending CN115369706A (en) | 2022-07-18 | 2022-07-18 | Universal precision reflection prism for track monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115369706A (en) |
-
2022
- 2022-07-18 CN CN202210840139.1A patent/CN115369706A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103983393B (en) | A kind of large-scale determination of six components of foree and varied angle support means | |
| CN101644559B (en) | Measuring tool and measuring method for adjusting gasket thickness in mounting of ship equipment | |
| CN110779811A (en) | Rainfall seepage and blasting vibration coupling simulation soft rock shear rheology test system | |
| CN104713788A (en) | Strain-control type tension-shearing direct shear apparatus | |
| US11415497B2 (en) | Shear box of shear rheology experiment of a soft rock for simulating the coupling of the rainfall seepage and blasting vibration | |
| CN112857979A (en) | Test fixture for simple solid support composite material compression test piece | |
| CN114544087B (en) | Bridge seepage detection equipment for bridge detection | |
| CN110779812A (en) | Rainfall seepage and blasting vibration coupling simulation soft rock shear rheology test shear box | |
| CN218373061U (en) | Track monitoring is with universal accurate reflection prism | |
| CN115369706A (en) | Universal precision reflection prism for track monitoring | |
| CN111289164A (en) | Foaming material expansibility testing arrangement | |
| CN111496710B (en) | Be used for elasticity ring rigidity test fixture | |
| CN116733428B (en) | Underground intelligent control type integrated injection allocation device | |
| CN106644889A (en) | Rock joint seepage device with controllable gap width under high seepage pressure | |
| CN212123006U (en) | Fixture for elastic ring rigidity test | |
| CN214143354U (en) | Device is changed in quick installation of support | |
| CN211668454U (en) | Micro-gap measuring device for piston and cylinder of Stirling refrigerator compressor | |
| CN115144255A (en) | Test auxiliary device that unidirectional fiber combined material interlaminar shear strength distributes | |
| CN211717406U (en) | Auxiliary distance measuring device | |
| CN210719184U (en) | Automatic centering marking device for forced centering of permanent point and high levelness | |
| CN108759653B (en) | Wind generating set load strain monitoring device based on eddy current sensor | |
| CN109556485B (en) | Adjustable fixed inspection lining device for position degree measuring tool and using method thereof | |
| CN221351053U (en) | Frock is used in test of absorption formula ferromagnetic sensor | |
| CN207540470U (en) | A kind of engine valve side surface to rod end surface distance cubing | |
| CN201083653Y (en) | Non- standard test sample lineation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |