CN111595270A - Brickwork squareness measuring tool - Google Patents

Abstract

The invention relates to the field of building construction measuring equipment, and specifically discloses a masonry squareness measuring tool, comprising a support frame, a positioning device and a laser alignment device; the support frame is provided with two positioning devices, and the positioning device comprises a guide rail seat, The sliding seat and the positioning abutting rod, the guide rail seat is rotatably connected to the support frame, and a positioning point is arranged on the guiding rail seat; The length direction of the track seat extends; the laser alignment device is arranged at one end of the support frame, the laser alignment device includes two horizontal laser beams a and b, and the laser beam a and the laser beam b are perpendicular to each other. The measuring tool is easy to operate, accurate in detection results, saves labor cost and time cost in the actual measurement process, and can quickly detect the squareness without multiple adjustments, which improves the work efficiency of actual measurement.

Description

A masonry squareness measuring tool

technical field

The invention relates to the field of building construction measuring equipment, in particular to a masonry squareness measuring tool.

Background technique

Major real estate companies pay more and more attention to the process evaluation of projects under construction, of which the actual measurement and quantity are a large part. At present, the actual measurement tool for measuring the squareness of the masonry and plastering works on the construction site is the infrared plus manual adjustment measurement method. The measurement steps are: turn on the infrared measuring instrument → two measuring personnel adjust the infrared rays to make the infrared rays parallel to the wall →Use a tape measure to measure the distance between the infrared rays on the other side and the wall. The second step of this measurement method requires the cooperation of multiple people, and the process of adjusting the parallelism of the infrared rays to the wall is time-consuming, which will greatly slow down the actual measurement efficiency. This will waste too much manpower and time, which is seriously inconsistent with the current development needs of the actual measurement on the construction site.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to overcome the defects in the prior art and provide a masonry squareness measuring tool.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

A masonry squareness measuring tool, comprising a support frame, a positioning device and a laser alignment device; the support frame is provided with two of the positioning devices, and the positioning devices include a guide rail seat, a sliding seat and a positioning abutting rod. The guide track seat is rotatably connected to the support frame, and the guide track seat is provided with a positioning point; the sliding seat is slidably fitted in the guide track seat, the positioning abutting rod is connected to the sliding seat, and the positioning abutting rod is along the guiding track seat. lengthwise extension;

The laser alignment device is located at one end of the support frame. The laser alignment device includes two horizontal laser beams a and b. The laser beam a and the laser beam b are perpendicular to each other, and the laser beam a is along the support frame. During the measurement, the laser beam a coincides with the two positioning points, and the two positioning rods are vertically abutted against the wall with the same amount of extension.

Further, the guide rail seat is provided with a sliding groove, and the sliding seat is slidably fitted in the sliding groove; the sliding seat includes a first sliding block, a fine adjustment mechanism and a second sliding block, and the first sliding block and the The second sliders are respectively connected to the two ends of the fine adjustment mechanism, the positioning abutment rods are arranged on the second sliders, the positioning abutment rods extend toward the side away from the first slider, and the fine adjustment mechanism is used to feed the positioning abutment rods The movements are fine-tuned with precision.

Further, the fine-tuning mechanism includes a handwheel, a fine-tuning screw and a nut, one side of the handwheel is coaxially provided with a rotating shaft, and the rotating shaft is rotatably connected to the first slider; the fine-tuning screw is coaxially arranged on the hand wheel. On the side of the wheel facing away from the rotating shaft, the nut is fixed on the second sliding block, and the fine adjustment screw thread is fitted in the nut.

Further, the guide rail seat is provided with a scale, and the second slide block is provided with a marking line; the two ends of the chute are provided with limit blocks, and the side of the first slide block facing the second slide block is provided with a limit rod.

Further, the sliding groove is a dovetail groove, and the first sliding block and the second sliding block are conformally fitted in the sliding groove; the first sliding block is provided with a first tightening hole, and the first tightening hole has an internal thread. A first locking screw rod is matched, and one end of the first locking screw rod can be pressed against the bottom of the chute after passing through the first fastening hole.

Further, one end of the guide rail seat is provided with a bracket for supporting the positioning abutting rod, and the positioning abutting rod is slidably fitted on the bracket.

Further, the bottom of the guide rail seat is provided with a steering column, and the steering column is rotatably connected to the support frame; the support frame is provided with a second fastening hole and a third fastening hole, and the guide rail seat is provided with a third fastening hole. a second lug and a second lug, the first lug is threaded with a second locking screw, and the second lug is threaded with a third locking screw;

When the second locking screw is locked in the second fastening hole, the positioning rod is parallel to the laser beam a; when the third locking screw is locked in the third fastening hole, the positioning rod is positioned parallel to the laser beam a. The rod is perpendicular to the laser beam a.

Further, the support frame includes two bases and two parallel sliding rods, each of the bases is provided with a guide rail seat, and the base is slidably fitted on the two sliding rods;

The base is provided with a fourth tightening hole, the fourth tightening hole is internally threaded with a fourth locking screw, and the fourth locking screw can be pressed against the sliding rod after passing through the fourth tightening hole. superior.

Further, it also includes a lifting bracket, the lifting bracket includes a support foot seat, a lifting screw rod and a support plate, the support foot seat is provided with a screw hole, the lifting screw rod is vertically threaded in the screw hole, and the support plate is The plate is arranged at the top of the lifting screw, and the support is installed on the pallet.

The beneficial effects of the present invention are:

(1) In the masonry squareness measuring tool of the present invention, by rotating the guide rail seat, the two positioning abutting rods are vertically abutted against the wall surface and have the same extension. At this time, the laser beam a coincides with the two positioning points. Then measure the distance of the laser beam b from the wall, measure several positions and record the data. Compared with the traditional measurement, the measuring tool can be independently completed by one measuring person each time, and when multiple squareness measurements are performed, the measuring tool does not need to be adjusted many times, and can be put into use after quick adjustment. The measuring tool is easy to operate, accurate in detection results, saves labor cost and time cost in the actual measurement process, and can quickly detect the squareness without multiple adjustments, which improves the work efficiency of actual measurement.

(2) By setting a fine adjustment mechanism between the first slider and the second slider, when the positioning abutting rod is pushed to move toward the wall, it stops when the positioning abutting rod has not yet contacted the wall, and then the positioning is adjusted by adjusting the fine adjustment mechanism. The abutment rod slowly abuts on the wall, so as to prevent the positioning abutment rod from being pushed directly against the wall surface, so that the positioning abutment rod is deformed due to excessive force, thereby affecting the detection accuracy.

(3) This measuring tool has a wide range of applications, and the positioning rod can be adjusted to expand and contract. It can quickly detect the squareness of different positions and different bays according to the length of the wall and the detection requirements.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or section is not necessarily drawn to actual scale.

1 is a schematic structural diagram of a masonry squareness measuring tool of the present invention during measurement;

2 is a schematic cross-sectional view of a positioning device;

Fig. 3 is the structural representation of the measuring tool;

Fig. 4 is the partial enlarged view of A place in Fig. 3;

FIG. 5 is a schematic view of the structure of the lifting bracket.

Reference number:

1-Support frame, 11-Second fastening hole, 12-Base, 13-Slide rod, 2-Positioning device, 21-Guide track seat, 211-Chute, 212-Limit block, 213-Limit rod, 214-steering column, 215-first lug, 216-second lug, 22-positioning lever, 23-positioning point, 24-first slider, 25-fine adjustment mechanism, 251-handwheel, 252-fine adjustment Screw, 253-nut, 254-rotating shaft, 26-second slider, 27-scale, 28-marking line, 29-bracket, 3-laser alignment device, 31-laser beam a, 32-laser beam b, 41-first locking screw, 42-second locking screw, 43-third locking screw, 44-fourth locking screw, 5-lifting bracket, 51-foot seat, 52-lifting screw, 53-support plate.

Detailed ways

The present invention will be further described in detail below in conjunction with the embodiments.

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

Referring to FIG. 1, it is a masonry squareness measuring tool of the present invention, the measuring tool includes a support frame 1, a positioning device 2 and a laser alignment device 3; the support frame 1 is provided with two positioning devices 2, the positioning device 2 It includes a guide rail seat 21, a sliding seat and a positioning rod 22. The guiding rail seat 21 is rotatably connected to the support frame 1, and a positioning point 23 is arranged on the guiding rail seat 21; The rod 22 is connected to the sliding seat, and the positioning 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, and the laser alignment device 3 includes two horizontal laser beams a31 and a laser Beam b32, the laser beam a31 and the laser beam b32 are perpendicular to each other, and the laser beam a31 is transmitted along the length direction of the support frame 1; during the measurement, the laser beam a31 coincides with the two positioning points 23, and the two positioning abutting rods 22 vertically abut the wall And the extension amount is the same.

In the masonry squareness measuring tool of the present invention, the support frame 1 is provided with two positioning devices 2, the positioning rods 22 of the positioning devices 2 are arranged horizontally, and the laser alignment device 3 includes two lasers. By rotating the two guide rail seats 21 respectively, the laser beam a31 and the two positioning points 23 are coincident at the same time, and then the slide seats in the guide rail seats 21 are respectively slid, so that the two positioning rods 22 are vertically abutted against the wall surface, and control the The two positioning abutting rods 22 have the same protruding amount relative to the guide rail seat 21 , that is, the ends of the two positioning abutting rods 22 abut the wall at the same moving distance. At this time, the laser beam a31 is parallel to the wall. Since the laser beam a31 and the laser beam b32 are perpendicular to each other, the distance between the laser beam b32 and the wall is measured again, and multiple positions (at least three positions are measured along the transmission direction of the laser beam b32) are measured, and the data is recorded to measure the The squareness of the masonry.

Compared with the traditional measurement, the measuring tool can be independently completed by one measuring person each time, and when multiple squareness measurements are performed, the measuring tool does not need to be adjusted many times, and can be put into use after quick adjustment. The measuring tool is easy to operate, accurate in detection results, saves labor cost and time cost in the actual measurement process, and can quickly detect the squareness without multiple adjustments, which improves the work efficiency of actual measurement.

Specifically, referring to FIGS. 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 sliding seat includes a first sliding block 24, a fine adjustment mechanism 25 and a second sliding block 26, The first sliding block 24 and the second sliding block 26 are respectively connected to the two ends of the fine-tuning mechanism 25 , the positioning abutting rod 22 is arranged on the second sliding block 26 , and the positioning abutting rod 22 extends toward the side away from the first sliding block 24 . The mechanism 25 is used to precisely fine-tune the feeding action of the positioning abutment rod 22 .

In this embodiment, a fine adjustment mechanism 25 is provided between the first slider 24 and the second slider 26. When the positioning abutment rod 22 is pushed to move toward the wall, it stops when the positioning abutment rod 22 has not yet contacted the wall. At this time, there is a gap between the end of the positioning abutting rod 22 and the wall, and then the positioning abutting rod 22 is slowly abutted on the wall by adjusting the fine adjustment mechanism 25, thereby preventing the positioning abutting rod 22 from being pushed directly against the wall. , so that the positioning abutment rod 22 is deformed due to excessive force, thereby affecting the detection accuracy.

In a specific embodiment, the fine-tuning mechanism 25 includes a handwheel 251, a fine-tuning screw 252 and a nut 253. One side of the hand-wheel 251 is coaxially provided with a rotating shaft 254, and the rotating shaft 254 is rotatably connected to the first slider 24; the fine-tuning screw 252 Coaxially disposed on the side of the handwheel 251 away from the rotating shaft 254 , the nut 253 is fixed on the second slider 26 , and the fine adjustment screw 252 is threadedly fitted in the nut 253 .

A bearing is provided on the first sliding block 24, and the rotating shaft 254 is fixed in the bearing. The fine adjustment screw 252 and the rotating shaft 254 are coaxially disposed on both sides of the handwheel 251 respectively, and the fine adjustment screw 252 is arranged in parallel with the positioning rod 22 . The first slider 24 is fixed, the handwheel 251 is rotated, and the fine adjustment screw 252 and the nut 253 are threadedly matched to drive the second slider 26 to move closer to or away from the first slider 24, thereby adjusting the position of the positioning rod 22. Precise fine-tuning of feeding action to improve measurement accuracy.

In a specific embodiment, the guide rail seat 21 is provided with a scale 27, and the second sliding block 26 is provided with a marking line 28; A limit rod 213 is provided on one side of the slider 26 .

The limiting block 212 can prevent the first sliding block 24 or the second sliding block 26 from slipping out of the chute 211 due to careless operation. A scale 27 is provided on the top surface of the guide rail seat 21. The scale 27 is arranged along the length direction of the guide rail seat 21. The second slider 26 is provided with a marking line 28. After the marking line 28 is aligned with the scale 27, it can be read accurately. Take the moving distance of the positioning rod 22 . At the same time, in order to ensure that the marking line 28 is aligned with the starting point of the scale 27 after reset, a limit rod 213 is provided on the first slider 24. When the first slider 24 abuts on the limit block 212, the adjustment handwheel 251 Make the second slider 26 abut on the limit rod 213, at this time, the marking line 28 coincides with the starting point of the scale 27, thus ensuring that the protruding amount of the positioning rod 22 is always the same every time the adjustment is made, and the measured accuracy.

In a specific embodiment, the sliding groove 211 is a dovetail groove, and the first sliding block 24 and the second sliding block 26 are conformally fitted in the sliding groove 211 ; the first sliding block 24 is provided with a first fastening hole, and the first sliding block 24 The inner thread of the fastening hole is matched with a first locking screw 41 , and one end of the first locking screw 41 can be pressed against the bottom of the chute 211 after passing through the first fastening hole.

When the protruding amount of the positioning abutting rod 22 is adjusted well, in order to prevent the first slider 24 from being accidentally touched or the positioning abutting rod 22 from causing a change in the reading of the protruding amount, the first locking screw 41 is tightened to make the first One end of the locking screw 41 passes through the first fastening hole and then pushes against the bottom of the chute 211, so as to push the slope of the first slider 24 against the slope of the dovetail-shaped slot 211, and then push the first slider 24 is locked in the chute 211. Of course, the second sliding block 26 can also be provided with a first fastening hole and a first locking screw 41 , so that the first sliding block 24 and the second sliding block 26 can be locked at the same time.

In a specific embodiment, in order to ensure that the positioning abutment rod 22 maintains a horizontal state during the extension process, one end of the guide rail seat 21 is provided with a bracket 29 for supporting the positioning abutment rod 22, and the positioning abutment rod 22 is slidably fitted on the bracket 29 on.

In a specific 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; the support frame 1 is provided with a second fastening hole 11 and a third fastening hole for guiding The track seat 21 is provided with a first lug 215 and a second lug 216, the first lug 215 is threaded with a second locking screw 42, and the second lug 216 is threaded with a third locking screw 43; When the second locking screw 42 is locked in the second fastening hole 11, the positioning rod 22 is parallel to the laser beam a31, and when the third locking screw 43 is locked in the third fastening hole, the positioning rod 22 is vertical on the laser beam a31.

Before the measurement, the guide rail seat 21 needs to be rotated to adjust the positioning rod 22 to vertically abut the wall, and after the measurement, the guide rail seat 21 needs to be reset. The tightening screw 42 is locked in the second tightening hole 11, the length direction of the guide rail seat 21 is parallel to the length direction of the support frame 1, and the positioning rod 22 is also parallel to the laser beam a31. By rotating the guide rail seat 21, the third locking screw 43 on the second lug 216 is locked in the third fastening hole, at this time, the length direction of the guide rail seat 21 is perpendicular to the length direction of the support frame 1, At the same time, the positioning rod 22 is also perpendicular to the laser beam a31, and the guide rail seat 21 is locked at a 90° angle with the support frame 1.

In a specific embodiment, referring to FIG. 3 , the support frame 1 includes two bases 12 and two parallel sliding bars 13 , each base 12 is provided with a guide rail seat 21 , and the base 12 is slidably fitted on the two sliding bars 13 . On the rod 13; the base 12 is provided with a fourth tightening hole, the fourth tightening hole is threaded with a fourth locking screw 44, and the fourth locking screw 44 can be pressed against the slide after passing through the fourth tightening hole. on rod 13.

In order to improve the applicable scope of the measuring tool, the support frame 1 includes a base 12 and a sliding rod 13 , the base 12 is slidably fitted on the sliding rod 13 , and each base 12 is provided with a guide rail seat 21 . By locking the fourth locking screw 44 in the fourth fastening hole, the fourth locking screw 44 is pressed against the sliding rod 13 , so that the base 12 is fixed on the sliding rod 13 . After the fourth locking screw 44 is loosened, the position of the base 12 can also be freely slid. In this way, the applicable scope of the measuring tool is improved, and the squareness of different positions and different bays can be quickly detected according to the length of the wall and the detection requirements.

Referring to FIG. 5 , in a specific embodiment, it also includes a lift bracket 5 , the lift bracket 5 includes a support foot seat 51 , a lift screw rod 52 and a support plate 53 , the support foot seat 51 is provided with a screw hole, and the lift screw rod 52 is threaded along the vertical thread. In the screw hole, the support plate 53 is arranged on the top end of the lifting screw 52 , and the base 12 is mounted on the support plate 53 . In order to install and fix the support frame 1 on the floor, the present embodiment also includes a lifting bracket 5. Before the measurement, the support plate 53 is rotated to drive the lifting screw 52 to rise and fall relative to the support base 51, and the support plates 53 of the two lifting brackets 5 are moved up and down. Adjust to the same height, and then place the base 12 on the support plate 53 .

The steps to measure squareness using this measuring tool are as follows:

The first step: according to the length of the wall to be measured, adjust the distance between the two bases 12 on the sliding rod 13, and use the fourth locking screw 44 to lock;

The second step: rotate the supporting plate 53, adjust the supporting plate 53 of the two lifting brackets 5 to the same horizontal height, and adjust the distance between the two lifting brackets 5, and then place the base 12 on the supporting plate 53;

Step 3: Rotate the guide rail seat 21 to lock the third locking screw 43 in the third tightening hole;

Step 4: Observe whether the marking line 28 is coincident with the starting point of the scale 27. After the coincidence, slide the first slider 24 to stop the positioning rod 22 before it touches the wall, and rotate the handwheel 251 to make the positioning rod 22 slow. Abut against the wall, and finally lock the first locking screw 41;

Step 5: Adjust the moving distances of the two positioning rods 22 to be the same, and both are against the wall;

Step 6: Measure the distance of the laser beam b32 from the wall, measure multiple positions (at least three positions are measured along the transmission direction of the laser beam b32), and record the data.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be Modifications or equivalent substitutions without departing from the spirit and scope of the technical solutions of the present invention should be included in the scope of the claims of the present invention.

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.

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