CN216727340U - Anemoscope test mounting bracket and biosafety cabinet - Google Patents
Anemoscope test mounting bracket and biosafety cabinet Download PDFInfo
- Publication number
- CN216727340U CN216727340U CN202123041680.6U CN202123041680U CN216727340U CN 216727340 U CN216727340 U CN 216727340U CN 202123041680 U CN202123041680 U CN 202123041680U CN 216727340 U CN216727340 U CN 216727340U
- Authority
- CN
- China
- Prior art keywords
- base
- anemoscope
- straight rod
- mounting bracket
- test
- 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.)
- Active
Links
Images
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The utility model relates to a wind speed testing tool technical field discloses an anemoscope test installing support includes base, straight-bar, slip clamp structure and laser marking device. Wherein the straight rod is vertically connected to the base; the straight rod is provided with a first scale mark along the length direction; the sliding clamp structure is sleeved on the straight rod, can be adjusted and moved along the length direction of the straight rod and can be adjusted and rotated around the straight rod for 360 degrees, and is used for clamping and fixing the anemoscope; the laser marking device is arranged on the base and located on one side of the straight rod and used for emitting laser marking points to be projected in the testing area so that the vertical point of the testing end part of the anemoscope is coincided with the laser marking points. The anemograph test mounting bracket provided by the utility model can reduce the artificial measurement error in the test process, has high test accuracy, is safe and reliable, and saves the test time; a biosafety cabinet with the anemometer test mounting bracket is also provided.
Description
Technical Field
The utility model relates to a wind speed testing tool technical field especially relates to an anemoscope test installing support and biosafety cabinet.
Background
The anemoscope belongs to a detecting instrument, and is used for detecting whether the wind speed meets the requirements of safety production or not and calculating the gas flow in some production lives. For example, a biosafety cabinet requires an anemometer to measure whether the wind speed meets the requirements of safe production. But current anemoscope is used in biological safety cabinet, and the fixed bolster of fixed anemoscope is not stable enough to the anemoscope installation, and the location is inaccurate, has the big, consuming time of error and hard problem during the test.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's problem, providing one kind can reduce artificial measuring error in the test procedure, the test accuracy is high, safe and reliable just saves test time's anemograph test installing support, still provides a biosafety cabinet that has this anemograph test installing support.
In order to achieve the above purpose, the utility model adopts the following scheme:
an anemoscope test mounting bracket comprises a base,
the straight rod is vertically connected to the base; the straight rod is provided with a first scale mark along the length direction;
the sliding clamp structure is sleeved on the straight rod, can be adjusted and moved along the length direction of the straight rod and can be adjusted and rotated for 360 degrees around the straight rod, and is used for clamping and fixing the anemoscope;
and the laser marking device is arranged on the base and positioned on one side of the straight rod and used for emitting laser marking points to be projected in the testing area so that the vertical point of the testing end part of the anemoscope coincides with the laser marking points.
Furthermore, the top end surface and the peripheral side surface of the base are provided with a marking device swinging groove from top to bottom; the laser line marking device comprises a cross laser line marker, a line marker power supply, a guide sliding rail, a sliding block and a linkage rod; the cross laser line marker is arranged in the line marker swinging groove, and the tail end of the cross laser line marker is hinged with the groove wall of the line marker swinging groove and can swing up and down relative to the base; the guide sliding rail is arranged on the base and is positioned above the marking device swinging groove; the sliding block is connected to the guide sliding rail in a sliding manner and can slide on the guide sliding rail in a reciprocating manner; one end of the linkage rod is hinged with the sliding block; the other end is hinged with the head end of the cross laser line marker.
Furthermore, the guide sliding rail comprises a sliding rail body, a guide through opening and a sliding rail; the sliding rail body is arranged on the base and is positioned above the marking device swinging groove;
the guide through holes are arranged at the upper end of the slide rail body along the length direction of the slide rail body and penetrate through the upper end and the lower end of the slide rail body; the two sides in the guide through hole are provided with the sliding rails which extend along the length direction of the sliding rail body; the sliding block is arranged in the guide through hole; two ends of the sliding block are respectively matched and connected with the two sliding rails and can slide back and forth along the length direction of the sliding rails; one end of the linkage rod penetrates into the guide through opening and is hinged with the sliding block.
Furthermore, the lower end of the slide rail body is provided with a reticle matching groove which penetrates through the two ends of the slide rail body in the length direction and can be matched and nested with the outer peripheral side of the cross laser reticle.
Furthermore, the top end face of the slide rail body is provided with second scale marks distributed along the length direction of the slide rail body.
Further, the straight rod is a square column straight rod.
Furthermore, a through hole which is matched with the straight rod and penetrates through the upper end and the lower end of the base is formed in the center of the base; a positioning groove is formed in the bottom end face of the base corresponding to the through hole; a positioning plate is embedded in the positioning groove in a matching manner; the lower end of the straight rod is matched with and penetrates through the through hole and the positioning plate; the positioning plate is connected with the bottom of the positioning groove through a positioning bolt.
Further, the sliding clamp structure is a cross clamp; the sliding clamp structure comprises a clamping body, a vertical clamping hole for clamping the straight rod, a horizontal clamping hole for horizontally clamping the anemoscope, a vertical fastening bolt for locking and fixing the straight rod and a horizontal fastening bolt for locking and fixing the anemoscope; the vertical clamping hole is formed in the clamping body; the horizontal clamping hole is formed in the clamping body and is positioned on one side of the vertical clamping hole; the vertical fastening bolt is arranged on the clamping body at a position corresponding to the vertical clamping hole; the horizontal fastening bolt is arranged on the clamping body at a position corresponding to the horizontal clamping hole.
Furthermore, a plurality of marking positions distributed around the central axis of the base are uniformly distributed on the peripheral side of the base; one end of the marking position is arranged on the bottom end of the base, and the other end of the marking position vertically extends to the top end of the base; the mark position is a triangular groove.
The utility model also provides a biological safety cabinet, which comprises a cabinet body, a testing area arranged in the cabinet body, an anemoscope and the anemoscope testing and mounting bracket as described above; the anemometer testing and mounting bracket is arranged on the testing area; the anemoscope is positioned on the anemoscope test mounting bracket.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model discloses set up first scale mark on the straight-bar, adjust the height of slip clamp structure along the length direction of straight-bar fast convenient and accurately, and simultaneously, utilize laser marking device to send laser and mark a projection in the test area, rotate the angle of adjusting the slip clamp structure around the straight-bar, so that the perpendicular point of anemoscope's test tip marks a point with laser and coincides mutually, directly adopt accurate optical instrument to combine location anemoscope, realize the height and the horizontal angle accurate positioning of anemoscope, reduce artificial measuring error in the testing process, the test accuracy is high, safety and reliability, save test time.
Drawings
The present application will be described in further detail with reference to the following drawings and detailed description.
Fig. 1 is a schematic view of the three-dimensional structure of the anemometer testing and mounting bracket of the present invention on the testing area.
Fig. 2 is the three-dimensional structure schematic diagram of the anemoscope test mounting bracket of the present invention.
Fig. 3 is a schematic view of an exploded three-dimensional structure between the straight rod and the base of the present invention.
Fig. 4 is a schematic perspective view of the base and the laser line marking device of the present invention.
Fig. 5 is a schematic view of the three-dimensional structure of the anemometer testing and mounting bracket of the present invention in the biosafety cabinet.
The figure includes:
the device comprises a base 1, a reticle swinging groove 11, a through hole 12, a positioning groove 13, a straight rod 2, a first scale mark 3, a sliding clamp structure 4, a clamping body 41, a vertical clamping hole 42, a horizontal clamping hole 43, a vertical fastening bolt 44, a horizontal fastening bolt 45, a laser reticle device 5, a cross-shaped reticle 51, a reticle power supply 52, a guide slide rail 53, a rail body 531, a guide through hole 532, a slide rail 533, a second scale mark 534, a reticle matching groove 535, a sliding block 54, a linkage rod 55, a positioning plate 6, a positioning bolt 7, a marking position 8, a cabinet body 9, a testing area 10 and an anemoscope 20.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, an anemometer 20 test mounting bracket comprises a base 1, a straight rod 2, a sliding clamp structure 4 and a laser marking device 5. The base 1 is preferably made of steel materials, is cylindrical, has a certain weight, is simple in structure and good in supporting stability, and ensures that the whole test mounting bracket of the anemoscope 20 is stable. The straight rod 2 is vertically connected to the base 1; the straight rod 2 is provided with a first scale mark 3 along the length direction; the sliding clamp structure 4 is sleeved on the straight rod 2, can be adjusted and moved along the length direction of the straight rod 2 and can be adjusted and rotated around the straight rod 2360 degrees, and is used for clamping and fixing the anemoscope 20; the laser marking device 5 is arranged on the base 1 and positioned on one side of the straight rod 2, and is used for emitting laser marking points to be projected in the testing area 10 so that the vertical point of the testing end part of the anemoscope 20 coincides with the laser marking points.
Set up first scale mark 3 on straight-bar 2, adjust the height of slip clamp structure 4 along the length direction of straight-bar 2 fast conveniently and accurately, simultaneously, utilize laser marking device 5 to send laser and mark the point projection in test area 10, rotate the angle of adjusting slip clamp structure 4 around straight-bar 2, so that the perpendicular point and the laser of anemoscope 20's test tip mark the point and coincide mutually, directly adopt accurate optical instrument to combine location anemoscope 20, realize anemoscope 20's height and horizontal angle accurate positioning, reduce artificial measuring error in the testing process, the test accuracy is high, safety and reliability, save test time.
Wherein the straight rod 2 is a square column straight rod. By arranging the square column straight rod as the straight rod 2 in the embodiment, the sliding clamp structure 4 is sleeved on the straight rod 2, so that the anemoscope 20 can be effectively prevented from swinging around the straight rod 2 in the moving process, the stability of the anemoscope 20 is enhanced, and the whole structure is more stable, safe and reliable.
In the present embodiment, a through hole 12 which is matched with the straight rod 2 and penetrates through the upper end and the lower end of the base 1 is arranged at the central position of the base 1; in the embodiment, a square column straight rod is preferably adopted as the straight rod 2, and the through hole 12 is a square hole, so that the straight rod 2 is not easy to rotate, and the anemoscope 20 is prevented from rotating. A positioning groove 13 is arranged on the bottom end surface of the base 1 corresponding to the through hole 12; a positioning plate 6 is embedded in the positioning groove 13 in a matching manner; the lower end of the straight rod 2 is matched with and penetrates through the through hole 12 and the positioning plate 6; the positioning plate 6 is connected with the bottom of the positioning groove 13 through a positioning bolt 7. Through setting up through hole 12 on base 1 to and utilize locating plate 6 to install and be connected with the lower extreme of straight-bar 2 in constant head tank 13, easy dismounting, the structure is firm, guarantees that anemoscope 20 is reliable and stable as a whole, and the test is accurate, reduces testing error.
In the present embodiment, the sliding clamp structure 4 is a cross clamp; the sliding clamp structure 4 comprises a clamping body 41, a vertical clamping hole 42 for clamping the straight rod 2, a horizontal clamping hole 43 for horizontally clamping the anemoscope 20, a vertical fastening bolt 44 for locking and fixing the straight rod 2 and a horizontal fastening bolt 45 for locking and fixing the anemoscope 20; the vertical clamping hole 42 is formed in the clamping body 41; the horizontal clamping hole 43 is arranged on the clamping body 41 and is positioned at one side of the vertical clamping hole 42; the vertical fastening bolt 44 is arranged on the clamping body 41 at a position corresponding to the vertical clamping hole 42; the horizontal fastening bolt 45 is disposed on the clamping body 41 at a position corresponding to the horizontal clamping hole 43. Through overlapping vertical centre gripping hole 42 on straight-bar 2, can follow the length direction of straight-bar 2 is adjusted to be removed and can be wound straight-bar 2360 adjusts the rotation, recycle vertical fastening bolt 44 and pass centre gripping body 41 in straight-bar 2 looks top tightly corresponding to the position of vertical centre gripping hole 42, on the fixed straight-bar 2 of slip clamp structure 4 locking, same reason, with anemoscope 20 telescope horizontal centre gripping hole 43 in, adopt horizontal fastening bolt 45 to fix anemoscope 20 locking on slip clamp structure 4, easy dismounting, and help realizing anemoscope 20's height and horizontal angle accurate positioning, reduce artificial measuring error in the testing process, the measuring accuracy is high, safety and reliability, save test time.
In the present embodiment, the top end surface and the peripheral side surface of the base 1 are provided with a marker swinging groove 11 from top to bottom; the laser marking device 5 comprises a cross laser marker 51, a marker power supply 52, a guide slide rail 53, a slide block 54 and a linkage rod 55; the cross laser marker 51 is arranged in the marker swinging groove 11, and the tail end of the cross laser marker 51 is hinged with the groove wall of the marker swinging groove 11 and can swing up and down relative to the base 1; the guide slide rail 53 is arranged on the base 1 and is positioned above the reticle swing groove 11; the sliding block 54 is slidably connected to the guide sliding rail 53 and can slide back and forth along the guide sliding rail 53; one end of the linkage rod 55 is hinged with the sliding block 54; the other end is hinged with the head end of the cross laser marker 51. By arranging the cross laser marker 51, the marker power supply 52, the guide slide rail 53, the slide block 54 and the linkage rod 55, the marker power supply 52 is utilized to electrify the cross laser marker 51, the push-pull sliding block 54 moves back and forth on the guide sliding rail 53 to push the linkage rod 55 to move and swing, so that the cross laser marker 51 can automatically and reciprocally swing up and down relative to the base 1, the cross laser marker 51 emits laser marking points to project in the testing area 10, the angle of the sliding clamp structure 4 is adjusted by rotating around the straight rod 2, so that the vertical point of the testing end part of the anemoscope 20 coincides with the laser marking point, the anemoscope 20 is positioned by directly adopting a precise optical instrument in combination with the positioning anemoscope 20, the accurate positioning of the height and the horizontal angle of the anemoscope 20 is realized, the artificial measuring error in the testing process is reduced, the testing accuracy is high, the safety and the reliability are realized, and the testing time is saved.
Preferably, the guide rail 53 includes a rail body 531, a guide through hole 532, and a rail channel 533; the slide rail body 531 is arranged on the base 1 and is positioned above the reticle swing groove 11; the guide through holes 532 are arranged at the upper end of the slide rail body 531 along the length direction of the slide rail body 531 and penetrate through the upper end and the lower end of the slide rail body 531; the slide rails 533 extending along the length direction of the slide rail body 531 are arranged on both sides in the guide through hole 532; the slider 54 is placed in the guide through hole 532; two ends of the sliding block 54 are respectively connected with the two sliding rails 533 in a matching manner, and can slide back and forth along the length direction of the sliding rails 533; one end of the linkage rod 55 penetrates through the guide through hole 532 and is hinged with the sliding block 54. The guide slide rail 53 is formed by arranging the slide rail body 531, the guide through hole 532 and the slide rail 533, so that the slide block 54 can be stably adjusted in a reciprocating mode, the linkage rod 55 can be conveniently installed, and the position of the cross laser marker 51 can be stably adjusted.
In order to make the cross laser marker 51 stably attached to the base 1 during the upward swing, the lower end of the sliding rail body 531 is provided with a marker matching groove 535 which penetrates through both ends of the sliding rail body 531 in the length direction and can be matched and nested with the outer periphery of the cross laser marker 51. Through setting up reticle matching groove 535, help cross laser marker 51 to cooperate nestedly in reticle matching groove 535, make things convenient for cross laser marker 51's position control, make cross laser marker 51 can stabilize the adjustment position.
In order to precisely adjust the swinging position of the cross laser marker 51, a second scale line 534 arranged along the length direction of the top end surface of the slide rail body 531 is arranged. Through setting up second scale mark 534, can accurately know the distance that slider 54 moved on direction slide rail 53, can the wobbling position of accurate adjustment cross laser marker 51, help the follow-up height and the horizontal angle accurate positioning who realizes anemoscope 20, reduce the artificial measuring error in the testing process, the test accuracy is high, safe and reliable saves test time.
In the embodiment, a plurality of marking positions 8 distributed around the central axis of the base 1 are uniformly distributed on the outer periphery of the base 1; one end of the marking position 8 is arranged on the bottom end of the base 1, and the other end of the marking position vertically extends towards the top end of the base 1; the mark position 8 is a triangular groove, and of course, the mark position 8 may also be a rectangular groove, a mark scribed line, or the like. The superposition of previously marked auxiliary lines in the area 10 can be tested by setting marks, so that the effect of quick auxiliary positioning is achieved.
To sum up, the embodiment of the utility model provides an anemoscope 20 tests installing support, wherein, set up first scale mark 3 on straight-bar 2, adjust the height of slip clamp structure 4 along the length direction of straight-bar 2 fast conveniently and accurately, and simultaneously, utilize laser marking device 5 to send laser and mark a projection in test area 10, rotate the angle of adjusting slip clamp structure 4 around straight-bar 2, so that the perpendicular point and the laser of anemoscope 20's test tip mark the point and coincide mutually, directly adopt precision optics instrument to combine location anemoscope 20, realize anemoscope 20's height and horizontal angle accurate positioning, reduce artificial measuring error in the testing process, the measuring accuracy is high, safety and reliability, save test time.
The utility model also provides a biological safety cabinet, as shown in fig. 5, comprising a cabinet body 9, a testing area 10 arranged in the cabinet body 9, an anemoscope 20 and the anemoscope 20 testing and mounting bracket as described above; the anemometer 20 test mounting bracket is arranged on the test area 10; the anemometer 20 is located on the anemometer 20 test mounting bracket. By applying the anemoscope 20 test mounting bracket and the anemoscope 20 to the biological safety cabinet, the artificial measurement error in the test process can be reduced, the test accuracy is high, the safety and the reliability are realized, and the test time is saved.
The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present application, and these modifications and substitutions should also be regarded as the protection scope of the present application.
Claims (10)
1. The utility model provides an anemograph test installing support, includes the base, its characterized in that still includes:
the straight rod is vertically connected to the base; the straight rod is provided with a first scale mark along the length direction;
the sliding clamp structure is sleeved on the straight rod, can be adjusted and moved along the length direction of the straight rod and can be adjusted and rotated for 360 degrees around the straight rod, and is used for clamping and fixing the anemoscope;
and the laser marking device is arranged on the base and positioned on one side of the straight rod and is used for emitting laser marking points to be projected in the testing area so that the vertical point of the testing end part of the anemoscope is coincided with the laser marking points.
2. The anemometer test mounting bracket of claim 1 wherein the top end face and the peripheral side face of the base are provided with reticle swing grooves from top to bottom; the laser line marking device comprises a cross laser line marker, a line marker power supply, a guide sliding rail, a sliding block and a linkage rod; the cross laser line marker is arranged in the line marker swinging groove, and the tail end of the cross laser line marker is hinged with the groove wall of the line marker swinging groove and can swing up and down relative to the base; the guide sliding rail is arranged on the base and is positioned above the marking device swinging groove; the sliding block is connected to the guide sliding rail in a sliding manner and can slide on the guide sliding rail in a reciprocating manner; one end of the linkage rod is hinged with the sliding block; the other end is hinged with the head end of the cross laser line marker.
3. The anemometer test mounting bracket of claim 2 wherein the guide slide rail comprises a slide rail body, a guide port, a slide rail; the sliding rail body is arranged on the base and is positioned above the marking device swinging groove;
the guide through holes are arranged at the upper end of the slide rail body along the length direction of the slide rail body and penetrate through the upper end and the lower end of the slide rail body; the sliding rails which extend along the length direction of the sliding rail body are arranged on the two sides in the guide through hole; the sliding block is arranged in the guide through hole; two ends of the sliding block are respectively matched and connected with the two sliding rails and can slide back and forth along the length direction of the sliding rails; one end of the linkage rod penetrates into the guide through opening and is hinged with the sliding block.
4. The anemometer test mounting bracket of claim 3 wherein the lower end of the slide rail body is provided with a reticle matching groove which penetrates through both ends of the slide rail body in the length direction and can be matched and nested with the outer peripheral side of the cross laser reticle.
5. The anemometer test mounting bracket of claim 2 wherein the top end face of the slide rail body is provided with second scale marks running along the length direction thereof.
6. The anemometer test mounting bracket of claim 1 wherein the straight bar is a square column straight bar.
7. The anemometer test mounting bracket according to claim 1, wherein a through hole which is matched with the straight rod and penetrates through the upper end and the lower end of the base is formed in the center of the base; a positioning groove is formed in the bottom end face of the base corresponding to the through hole; a positioning plate is embedded in the positioning groove in a matched manner; the lower end of the straight rod is matched with and penetrates through the through hole and the positioning plate; the positioning plate is connected with the bottom of the positioning groove through a positioning bolt.
8. The anemometer test mounting bracket of claim 7 wherein the sliding clip structure is a cross clip; the sliding clamp structure comprises a clamping body, a vertical clamping hole for clamping the straight rod, a horizontal clamping hole for horizontally clamping the anemoscope, a vertical fastening bolt for locking and fixing the straight rod and a horizontal fastening bolt for locking and fixing the anemoscope; the vertical clamping hole is formed in the clamping body; the horizontal clamping hole is formed in the clamping body and is positioned on one side of the vertical clamping hole; the vertical fastening bolt is arranged on the clamping body at a position corresponding to the vertical clamping hole; the horizontal fastening bolt is arranged on the clamping body at a position corresponding to the horizontal clamping hole.
9. The anemometer test mounting bracket of claim 1 wherein a plurality of marker sites are uniformly distributed around the outer peripheral side of the base; one end of the marking position is arranged on the bottom end of the base, and the other end of the marking position vertically extends to the top end of the base; the mark position is a triangular groove.
10. A biosafety cabinet, comprising a cabinet body, a test area arranged in the cabinet body, an anemometer and an anemometer test mounting bracket according to any one of claims 1 to 9; the anemoscope test mounting bracket is arranged on the test area; the anemoscope is positioned on the anemoscope test mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123041680.6U CN216727340U (en) | 2021-12-03 | 2021-12-03 | Anemoscope test mounting bracket and biosafety cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123041680.6U CN216727340U (en) | 2021-12-03 | 2021-12-03 | Anemoscope test mounting bracket and biosafety cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216727340U true CN216727340U (en) | 2022-06-14 |
Family
ID=81932781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123041680.6U Active CN216727340U (en) | 2021-12-03 | 2021-12-03 | Anemoscope test mounting bracket and biosafety cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216727340U (en) |
-
2021
- 2021-12-03 CN CN202123041680.6U patent/CN216727340U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106705871B (en) | laser positioning and measuring device for axle base of whole vehicle and positioning and measuring method thereof | |
| CN114754738A (en) | Simple bridge pier column verticality measuring device and measuring method | |
| CN206034213U (en) | Railway track skew measuring device | |
| CN216727340U (en) | Anemoscope test mounting bracket and biosafety cabinet | |
| CN212133664U (en) | Transmission line straight line column foot divides hole appearance fast | |
| CN103673998B (en) | Tool pedestal for detecting reference point through laser tracker | |
| CN211890807U (en) | Laser positioning pedestrian protection test marking device | |
| CN208139978U (en) | A kind of Subway Station Platform door surveying setting-out device | |
| CN107916921B (en) | Portable laser MWD (measurement while drilling) angle difference running rule and using method | |
| CN215767015U (en) | Tunnel vault subsides and measures auxiliary device | |
| CN213236646U (en) | Adjustable engineering measurement mark post | |
| CN211425419U (en) | Verticality measuring tool for installation of conical lamp post | |
| CN213179804U (en) | Cross-shaped steel structural member interval measuring device | |
| CN113776499A (en) | Steel member detection device | |
| CN108534631A (en) | A kind of Subway Station Platform door surveying setting-out device | |
| CN211060834U (en) | Template concatenation displacement monitoring devices | |
| CN210401652U (en) | Laser rangefinder fixing device with adjustable remove | |
| CN210909984U (en) | Three-dimensional marking device | |
| CN113532334A (en) | Device and method for measuring toe-in angle and camber angle of vehicle | |
| CN220206582U (en) | Cable support measuring device for subway shield area | |
| CN202501973U (en) | Rotor coil air vent dynamic detection device | |
| CN111141236A (en) | Flatness measuring device and using method thereof | |
| CN212567406U (en) | High-precision engineering point placing device | |
| CN218822384U (en) | Tunnel center line measuring matching device | |
| CN220508048U (en) | Measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |