CN213041184U - Brickwork squareness measuring tool - Google Patents
Brickwork squareness measuring tool Download PDFInfo
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- CN213041184U CN213041184U CN202020697841.3U CN202020697841U CN213041184U CN 213041184 U CN213041184 U CN 213041184U CN 202020697841 U CN202020697841 U CN 202020697841U CN 213041184 U CN213041184 U CN 213041184U
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Abstract
The utility model relates to the field of building construction measuring equipment, in particular to a masonry squareness measuring tool, which comprises a support frame, a positioning device and a laser alignment device; two positioning devices are arranged on the support frame, each positioning device comprises a guide rail seat, a sliding seat and a positioning abutting rod, the guide rail seats are rotatably connected to the support frame, and positioning points are arranged on the guide rail seats; the sliding seat is in sliding fit in the guide rail seat, the positioning resisting rod is connected to the sliding seat, and the positioning resisting rod extends along the length direction of the guide rail seat; the laser alignment device is arranged at one end of the support frame and comprises two horizontal laser beams a and b which are perpendicular to each other. The measuring tool is convenient to operate, the detection result is accurate, labor cost and time cost in the actual measurement process are saved, the squareness can be rapidly detected without multiple times of adjustment, and the actual measurement actual work efficiency is improved.
Description
Technical Field
The utility model relates to a construction measuring equipment field, concretely relates to brickwork squareness measuring tool.
Background
The property is increasingly paying more attention to the evaluation of the project under construction process, wherein the measured actual quantity accounts for a larger part. At present, an infrared ray and manual regulation measuring method is adopted as a practical measuring tool for squareness actual measurement of brickworks and plastering projects in a construction site of constructional engineering, and the measuring steps are as follows: opening the infrared measuring instrument → two measuring personnel adjust the infrared rays to enable the infrared rays to be parallel to the wall → measuring the distance between the infrared rays on the other side and the wall by using a tape measure. The second step of the measuring method can be completed by the cooperation of a plurality of persons, and the time is consumed in the process of adjusting the parallel of the infrared ray and the wall, so that the actual measurement efficiency is greatly slowed down. Therefore, the excessive waste of labor and time is seriously inconsistent with the actual measurement development requirement of the current construction site.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide a brickwork squareness measuring tool.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a masonry squareness measuring tool comprises a support frame, a positioning device and a laser alignment device; the support frame is provided with two positioning devices, each positioning device comprises a guide rail seat, a sliding seat and a positioning abutting rod, the guide rail seats are rotatably connected to the support frame, and positioning points are arranged on the guide rail seats; the sliding seat is in sliding fit in the guide rail seat, the positioning resisting rod is connected to the sliding seat, and the positioning resisting rod extends along the length direction of the guide rail seat;
the laser alignment device is arranged at one end of the support frame and comprises two horizontal laser beams a and b, the laser beams a and the laser beams b are perpendicular to each other, and the laser beams a are transmitted along the length direction of the support frame; during measurement, the laser beam a is superposed with the two positioning points, and the two positioning abutting rods are vertically abutted to the wall surface and have the same extension amount.
Furthermore, a sliding groove is formed in the guide rail seat, and the sliding seat is in sliding fit in the sliding groove; the sliding seat comprises a first sliding block, a fine adjustment mechanism and a second sliding block, the first sliding block and the second sliding block are respectively connected to two ends of the fine adjustment mechanism, a positioning abutting rod is arranged on the second sliding block and extends towards a direction far away from the first sliding block, and the fine adjustment mechanism is used for accurately fine adjusting the feeding action of the positioning abutting rod.
Furthermore, the fine adjustment mechanism comprises a hand wheel, a fine adjustment screw rod and a nut, wherein a rotating shaft is coaxially arranged on one side of the hand wheel, and the rotating shaft is rotationally connected to the first sliding block; the fine adjustment screw rod is coaxially arranged on one side, away from the rotating shaft, of the hand wheel, the nut is fixed on the second sliding block, and the fine adjustment screw rod is in threaded fit in the nut.
Furthermore, scales are arranged on the guide rail seat, and marking lines are arranged on the second sliding block; the both ends in the spout are equipped with the stopper, and first slider is equipped with the gag lever post towards the one side of second slider.
Furthermore, the sliding groove is a dovetail groove, and the first sliding block and the second sliding block are matched in the sliding groove in a shape fitting manner; a first fastening hole is formed in the first sliding block, a first locking screw is matched with the first fastening hole in an internal thread mode, and one end of the first locking screw can be tightly propped against the bottom of the sliding groove after penetrating through the first fastening hole.
Furthermore, one end of the guide rail seat is provided with a bracket for supporting the positioning abutting rod, and the positioning abutting rod is in sliding fit with the bracket.
Furthermore, the bottom of the guide rail seat is provided with a steering column which is rotatably connected to the support frame; the supporting frame is provided with a second fastening hole and a third fastening hole, the guide rail seat is provided with a first support lug and a second support lug, the first support lug is in threaded fit with a second locking screw rod, and the second support lug is in threaded fit with a third locking screw rod;
when the second locking screw is locked in the second fastening hole, the positioning resisting rod is parallel to the laser beam a, and when the third locking screw is locked in the third fastening hole, the positioning resisting rod is perpendicular to the laser beam a.
Furthermore, the support frame comprises two bases and two parallel sliding rods, each base is provided with a guide rail seat, and the bases are in sliding fit with the two sliding rods;
the base is provided with a fourth fastening hole, a fourth locking screw is matched with the inner thread of the fourth fastening hole, and the fourth locking screw can be tightly propped against the sliding rod after penetrating through the fourth fastening hole.
Further, still include lifting support, lifting support includes support foot seat, lifting screw and layer board, support foot seat is equipped with the screw, lifting screw is in along vertical screw-thread fit in the screw, the top at lifting screw is established to the layer board, and the support mounting is on the layer board.
The utility model has the advantages that:
(1) the utility model discloses a brickwork squareness measuring tool through rotating direction track seat, makes two location support the perpendicular butt wall of pole and stretch out the volume the same, and this moment, laser beam an and two setpoint coincidence. The distance of the laser beam b from the wall is measured again, a number of positions are measured and the data is recorded. This measuring tool compares traditional measurement, and every measurement can be independently accomplished by a measurement personnel, and when carrying out the squareness measurement of multiple times, need not to carry out many times regulation to measuring tool, can put into use after the quick adjustment. The measuring tool is convenient to operate, the detection result is accurate, labor cost and time cost in the actual measurement process are saved, the squareness can be rapidly detected without multiple times of adjustment, and the actual measurement actual work efficiency is improved.
(2) Through set up fine-tuning between first slider and second slider, move towards the wall when promoting the location to support the pole, stop when the location is supported the pole and is not yet contacted the wall, the rethread adjusts fine-tuning and makes the location support the pole and support slowly and support and lean on the wall to prevent to promote the location and support the pole and directly support and support the wall, make the location support the pole because of the too violent production deformation of atress, and then influence the accuracy that detects.
(3) The measuring tool is wide in application range, the positioning support rod can stretch and be adjusted, and different positions and squareness between different bays can be quickly detected according to the length of a wall body and detection requirements.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a masonry squareness measuring tool of the present invention during measurement;
FIG. 2 is a schematic cross-sectional view of a positioning device;
FIG. 3 is a schematic view of a measuring tool;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a schematic structural view of the lifting bracket.
Reference numerals:
1-a support frame, 11-a second fastening hole, 12-a base, 13-a sliding rod, 2-a positioning device, 21-a guide track seat, 211-a sliding groove, 212-a limiting block, 213-a limiting rod, 214-a steering column, 215-a first lug, 216-a second lug, 22-a positioning resisting rod, 23-a positioning point, 24-a first sliding block, 25-a fine adjustment mechanism, 251-a hand wheel, 252-a fine adjustment screw rod, 253-a nut, 254-a rotating shaft, 26-a second sliding block, 27-a scale, 28-a marking line, 29-a bracket, 3-a laser alignment device, 31-a laser beam, 32-a laser beam b, 41-a first locking screw rod, 42-a second locking screw rod and 43-a third locking screw rod, 44-a fourth locking screw rod, 5-a lifting bracket, 51-a support foot seat, 52-a lifting screw rod and 53-a supporting plate.
Detailed Description
The present invention will be described in further detail with reference to examples.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the squareness measuring tool for masonry of the present invention includes a supporting frame 1, a positioning device 2 and a laser alignment device 3; two positioning devices 2 are arranged on the support frame 1, each positioning device 2 comprises a guide rail seat 21, a sliding seat and a positioning abutting rod 22, the guide rail seats 21 are rotatably connected to the support frame 1, and positioning points 23 are arranged on the guide rail seats 21; the sliding seat is in sliding fit in the guide rail seat 21, the positioning resisting rod 22 is connected to the sliding seat, and the positioning resisting rod 22 extends along the length direction of the guide rail seat 21; the laser alignment device 3 is arranged at one end of the support frame 1, the laser alignment device 3 comprises two horizontal laser beams a31 and b32, the laser beam a31 is perpendicular to the laser beam b32, and the laser beam a31 is transmitted along the length direction of the support frame 1; during measurement, the laser beam a31 is overlapped with the two positioning points 23, and the two positioning resisting rods 22 are vertically contacted with the wall surface and have the same extending amount.
The utility model discloses a brickwork squareness measuring tool is equipped with two positioner 2 on the support frame 1, and positioner 2's location is replaced pole 22 and is the level setting, and laser alignment device 3 includes two laser instruments. The two guide rail seats 21 are respectively rotated to enable the laser beam a31 to be coincided with the two positioning points 23 at the same time, then the sliding seats in the guide rail seats 21 are respectively slid to enable the two positioning resisting rods 22 to be vertically abutted against the wall surface, the extending amount of the two positioning resisting rods 22 relative to the guide rail seats 21 is controlled to be the same, namely the moving distance of the end heads of the two positioning resisting rods 22 abutted against the wall surface is the same, and at the moment, the laser beam a31 is parallel to the wall surface. Since the laser beam a31 and the laser beam b32 are perpendicular to each other, the distance of the laser beam b32 from the wall is measured again, a plurality of positions are measured (at least three positions are measured in the direction of travel of the laser beam b 32), and data is recorded, thereby measuring the squareness of the masonry.
This measuring tool compares traditional measurement, and every measurement can be independently accomplished by a measurement personnel, and when carrying out the squareness measurement of multiple times, need not to carry out many times regulation to measuring tool, can put into use after the quick adjustment. The measuring tool is convenient to operate, the detection result is accurate, labor cost and time cost in the actual measurement process are saved, the squareness can be rapidly detected without multiple times of adjustment, and the actual measurement actual work efficiency is improved.
Specifically, referring to fig. 2 and 4, the guide rail seat 21 is provided with a sliding groove 211, and the sliding seat is slidably fitted in the sliding groove 211; the slide seat comprises a first slide block 24, a fine adjustment mechanism 25 and a second slide block 26, the first slide block 24 and the second slide block 26 are respectively connected to two ends of the fine adjustment mechanism 25, the positioning resisting rod 22 is arranged on the second slide block 26, the positioning resisting rod 22 extends towards a direction far away from the first slide block 24, and the fine adjustment mechanism 25 is used for carrying out accurate fine adjustment on the feeding action of the positioning resisting rod 22.
In this embodiment, a fine adjustment mechanism 25 is disposed between the first slider 24 and the second slider 26, when the positioning resisting rod 22 is pushed to move toward the wall surface and stops when the positioning resisting rod 22 is not yet in contact with the wall surface, at this time, a gap is still formed between the end of the positioning resisting rod 22 and the wall surface, and then the positioning resisting rod 22 is slowly abutted against the wall surface by adjusting the fine adjustment mechanism 25, so that the positioning resisting rod 22 is prevented from directly abutting against the wall surface, and the positioning resisting rod 22 is prevented from deforming due to the violent stress, thereby affecting the detection accuracy.
In one embodiment, the fine adjustment mechanism 25 includes a hand wheel 251, a fine adjustment screw 252 and a nut 253, a rotating shaft 254 is coaxially disposed on one side of the hand wheel 251, and the rotating shaft 254 is rotatably connected to the first sliding block 24; the fine adjustment screw 252 is coaxially arranged on one side of the hand wheel 251, which is far away from the rotating shaft 254, the nut 253 is fixed on the second slide block 26, and the fine adjustment screw 252 is in threaded fit in the nut 253.
The first slider 24 is provided with a bearing in which the rotating shaft 254 is fixed. The fine adjustment screw 252 and the rotating shaft 254 are coaxially arranged on two sides of the hand wheel 251, respectively, and the fine adjustment screw 252 and the positioning resisting rod 22 are arranged in parallel. The first sliding block 24 is fixed, the hand wheel 251 is rotated, and the fine adjustment screw 252 and the nut 253 are in threaded fit to drive the second sliding block 26 to move close to or away from the first sliding block 24, so that the feeding motion of the positioning abutting rod 22 is accurately fine adjusted, and the measurement accuracy is improved.
In one embodiment, the guide rail seat 21 is provided with a scale 27, and the second slide block 26 is provided with a mark line 28; two ends in the sliding groove 211 are provided with limit blocks 212, and one surface of the first sliding block 24 facing the second sliding block 26 is provided with a limit rod 213.
The stopper 212 can prevent the first slider 24 or the second slider 26 from sliding out of the sliding groove 211 due to careless operation. The top surface of the guide rail seat 21 is provided with a scale 27, the scale 27 is arranged along the length direction of the guide rail seat 21, the second sliding block 26 is provided with a marking line 28, and after the marking line 28 is aligned with the scale 27, the moving distance of the positioning abutting rod 22 can be accurately read. Meanwhile, in order to ensure that the marking line 28 is aligned with the initial point of the scale 27 after resetting, the first slider 24 is provided with the limiting rod 213, when the first slider 24 abuts against the limiting block 212, the hand wheel 251 is adjusted to enable the second slider 26 to abut against the limiting rod 213, at this time, the marking line 28 is overlapped with the initial point of the scale 27, and thus, the extending amount of the positioning abutting rod 22 is always the same in each adjustment, and the accuracy of measurement is ensured.
In one embodiment, the slide channel 211 is a dovetail slot, and the first slider 24 and the second slider 26 are fit snugly within the slide channel 211; first fastening holes are formed in the first sliding block 24, first locking screws 41 are matched with the first fastening holes in an internal thread mode, and one ends of the first locking screws 41 can be tightly propped against the bottoms of the sliding grooves 211 after penetrating through the first fastening holes.
When the protruding amount of the positioning resisting rod 22 is adjusted to be good, in order to prevent the first sliding block 24 from being touched by mistake or the positioning resisting rod 22 from causing the change of the reading value of the protruding amount, the first locking screw 41 is screwed, so that one end of the first locking screw 41 penetrates through the first fastening hole and then is tightly propped against the groove bottom of the sliding groove 211, the inclined surface of the first sliding block 24 is tightly propped against the inclined surface of the dovetail-shaped sliding groove 211, and the first sliding block 24 is locked in the sliding groove 211. Of course, the second slider 26 may also be provided with a first fastening hole and a first fastening screw 41, so that the first slider 24 and the second slider 26 can be locked at the same time.
In one embodiment, in order to ensure that the positioning bar 22 is kept horizontal during the extending process, one end of the guide rail seat 21 is provided with a bracket 29 for supporting the positioning bar 22, and the positioning bar 22 is slidably fitted on the bracket 29.
In one embodiment, the bottom of the guide rail seat 21 is provided with a steering column 214, and the steering column 214 is rotatably connected to the support frame 1; a second fastening hole 11 and a third fastening hole are formed in the support frame 1, a first lug 215 and a second lug 216 are formed in the guide rail seat 21, a second locking screw rod 42 is in threaded fit with the first lug 215, and a third locking screw rod 43 is in threaded fit with the second lug 216; when the second locking screw 42 is locked in the second fastening hole 11, the positioning abutment bar 22 is parallel to the laser beam a31, and when the third locking screw 43 is locked in the third fastening hole, the positioning abutment bar 22 is perpendicular to the laser beam a 31.
Before measurement, the guide rail seat 21 needs to be rotated to adjust the positioning resisting rod 22 to vertically abut against the wall surface, and after measurement, the guide rail seat 21 needs to be reset, so that the length direction of the guide rail seat 21 is parallel to the length direction of the support frame 1 by locking the second locking screw 42 on the first lug 215 in the second fastening hole 11, and at the moment, the positioning resisting rod 22 is also parallel to the laser beam a 31. The third locking screw 43 on the second lug 216 is locked in the third fastening hole by rotating the guide rail seat 21, at this time, the length direction of the guide rail seat 21 is perpendicular to the length direction of the support frame 1, and meanwhile, the positioning abutting rod 22 is also perpendicular to the laser beam a31, so that the guide rail seat 21 is locked in a state of forming an included angle of 90 degrees with the support frame 1 in lessons.
In a specific embodiment, referring to fig. 3, the supporting frame 1 includes two bases 12 and two parallel sliding rods 13, each base 12 is provided with a guiding rail seat 21, and the bases 12 are slidably fitted on the two sliding rods 13; the base 12 is provided with a fourth fastening hole, a fourth locking screw 44 is in threaded fit with the fourth fastening hole, and the fourth locking screw 44 can be tightly propped against the sliding rod 13 after penetrating through the fourth fastening hole.
In order to improve the application range of the measuring tool, the supporting frame 1 comprises a base 12 and a sliding rod 13, wherein the base 12 is in sliding fit with the sliding rod 13, and each base 12 is provided with a guide rail seat 21. The base 12 is fixed on the sliding rod 13 by locking the fourth locking screw 44 in the fourth fastening hole to make the fourth locking screw 44 tightly abut against the sliding rod 13. And the position of the base 12 can be arbitrarily slid after the fourth locking screw 44 is unscrewed. Therefore, the application range of the measuring tool is widened, and the squareness of different positions and different bays can be rapidly detected according to the length of the wall and the detection requirement.
Referring to fig. 5, in an embodiment, the lifting support 5 further includes a lifting support 5, the lifting support 5 includes a support base 51, a lifting screw 52 and a support plate 53, the support base 51 is provided with a screw hole, the lifting screw 52 is engaged in the screw hole along a vertical thread, the support plate 53 is provided at a top end of the lifting screw 52, and the base 12 is mounted on the support plate 53. In order to fix the support frame 1 on the floor, the present embodiment further includes a lifting bracket 5, before measurement, the supporting plate 53 is rotated to drive the lifting screw 52 to lift relative to the supporting base 51, the supporting plates 53 of the two lifting brackets 5 are adjusted to the same height, and then the base 12 is placed on the supporting plate 53.
The steps of measuring the squareness using the measuring tool are as follows:
the first step is as follows: adjusting the distance between the two bases 12 on the sliding rod 13 according to the length of the wall body to be detected, and locking by using a fourth locking screw 44;
the second step is that: rotating the supporting plate 53, adjusting the supporting plates 53 of the two lifting brackets 5 to be at the same horizontal height, adjusting the distance between the two lifting brackets 5, and then placing the base 12 on the supporting plate 53;
the third step: rotating the guide rail seat 21 to lock the third locking screw 43 in the third fastening hole;
the fourth step: observing whether the mark line 28 is overlapped with the starting point of the scale 27, after the overlapping, sliding the first slide block 24 to stop the positioning and abutting rod 22 when the positioning and abutting rod is not in contact with the wall surface, rotating the hand wheel 251 to enable the positioning and abutting rod 22 to be slowly abutted against the wall surface, and finally locking the first locking screw 41;
the fifth step: the moving distances of the two positioning resisting rods 22 are adjusted to be consistent and the two positioning resisting rods are both propped against the wall surface;
and a sixth step: the distance of the laser beam b32 from the wall was measured, a plurality of positions were measured (at least three positions were measured in the direction of travel of the laser beam b 32), and data was recorded.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. The utility model provides a brickwork squareness measuring tool which characterized in that: comprises a support frame, a positioning device and a laser alignment device;
the support frame is provided with two positioning devices, each positioning device comprises a guide rail seat, a sliding seat and a positioning abutting rod, the guide rail seats are rotatably connected to the support frame, and positioning points are arranged on the guide rail seats; the sliding seat is in sliding fit in the guide rail seat, the positioning resisting rod is connected to the sliding seat, and the positioning resisting rod extends along the length direction of the guide rail seat;
the laser alignment device is arranged at one end of the support frame and comprises two horizontal laser beams a and b, the laser beams a and the laser beams b are perpendicular to each other, and the laser beams a are transmitted along the length direction of the support frame; during measurement, the laser beam a is superposed with the two positioning points, and the two positioning abutting rods are vertically abutted to the wall surface and have the same extension amount.
2. The masonry squareness measurement tool of claim 1, characterized in that: a sliding groove is formed in the guide rail seat, and the sliding seat is in sliding fit in the sliding groove; the sliding seat comprises a first sliding block, a fine adjustment mechanism and a second sliding block, the first sliding block and the second sliding block are respectively connected to two ends of the fine adjustment mechanism, a positioning abutting rod is arranged on the second sliding block and extends towards a direction far away from the first sliding block, and the fine adjustment mechanism is used for accurately fine adjusting the feeding action of the positioning abutting rod.
3. The masonry squareness measurement tool of claim 2, characterized in that: the fine adjustment mechanism comprises a hand wheel, a fine adjustment screw rod and a nut, a rotating shaft is coaxially arranged on one side of the hand wheel, and the rotating shaft is rotatably connected to the first sliding block; the fine adjustment screw rod is coaxially arranged on one side, away from the rotating shaft, of the hand wheel, the nut is fixed on the second sliding block, and the fine adjustment screw rod is in threaded fit in the nut.
4. A masonry squareness measurement tool according to claim 3 characterised in that: scales are arranged on the guide rail seat, and marking lines are arranged on the second sliding block; the both ends in the spout are equipped with the stopper, and first slider is equipped with the gag lever post towards the one side of second slider.
5. The masonry squareness measurement tool of claim 4, characterized in that: the sliding groove is a dovetail groove, and the first sliding block and the second sliding block are matched in the sliding groove in a shape fitting manner; a first fastening hole is formed in the first sliding block, a first locking screw is matched with the first fastening hole in an internal thread mode, and one end of the first locking screw can be tightly propped against the bottom of the sliding groove after penetrating through the first fastening hole.
6. The masonry squareness measurement tool of claim 1, characterized in that: and one end of the guide rail seat is provided with a bracket for supporting the positioning abutting rod, and the positioning abutting rod is in sliding fit with the bracket.
7. The masonry squareness measurement tool of claim 1, characterized in that: the bottom of the guide rail seat is provided with a steering column which is rotatably connected to the support frame; the supporting frame is provided with a second fastening hole and a third fastening hole, the guide rail seat is provided with a first support lug and a second support lug, the first support lug is in threaded fit with a second locking screw rod, and the second support lug is in threaded fit with a third locking screw rod;
when the second locking screw is locked in the second fastening hole, the positioning resisting rod is parallel to the laser beam a, and when the third locking screw is locked in the third fastening hole, the positioning resisting rod is perpendicular to the laser beam a.
8. The masonry squareness measurement tool of claim 7, wherein: the supporting frame comprises two bases and two sliding rods which are arranged in parallel, each base is provided with a guide rail seat, and the bases are in sliding fit with the two sliding rods;
the base is provided with a fourth fastening hole, a fourth locking screw is matched with the inner thread of the fourth fastening hole, and the fourth locking screw can be tightly propped against the sliding rod after penetrating through the fourth fastening hole.
9. The masonry squareness measurement tool of claim 8, wherein: still include lifting support, lifting support includes stand, lifting screw and layer board, the stand is equipped with the screw, lifting screw is in along vertical screw-thread fit in the screw, the layer board is established on lifting screw's top, and the bearing mounting is on the layer board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020697841.3U CN213041184U (en) | 2020-04-29 | 2020-04-29 | Brickwork squareness measuring tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020697841.3U CN213041184U (en) | 2020-04-29 | 2020-04-29 | Brickwork squareness measuring tool |
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| CN213041184U true CN213041184U (en) | 2021-04-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014164A (en) * | 2022-08-09 | 2022-09-06 | 山东牧马人测绘技术有限公司 | Irregular object length measuring device and measuring method thereof |
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2020
- 2020-04-29 CN CN202020697841.3U patent/CN213041184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014164A (en) * | 2022-08-09 | 2022-09-06 | 山东牧马人测绘技术有限公司 | Irregular object length measuring device and measuring method thereof |
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