A device for measuring the width of indoor beams used in buildings

Abstract

The present invention belongs to the field of building measurement technology, and more specifically, is a device for measuring the width of indoor beams in buildings, comprising a base, a scissor lift mechanism disposed on the upper end surface of the base, a lifting plate disposed on the upper end of the scissor lift mechanism, a laser rangefinder body fixedly connected to one side of the right end surface of the fixed plate, a laser transmitter disposed on the left end of the laser rangefinder body, the laser transmitter penetrating one side of the fixed plate and extending to the left side of the fixed plate, and an anti-impurity interference detection component disposed on both the fixed plate and the adjustment plate for detecting whether the fixed plate and the adjustment plate are in contact with the wall. The present invention utilizes the anti-impurity interference detection component, and can determine whether the fixed plate and the adjustment plate are in close contact with the wall by using an electrostatic roller to contact the wall before the laser rangefinder body is used for measurement, thereby selecting whether to perform measurement at this location, thereby avoiding invalid measurements.

Description

Technical Field

[0001] The invention belongs to the technical field of building measurement, in particular to a device for measuring the width of indoor beams of buildings. Background Art

[0002] Indoor beams usually refer to the load-bearing beams in the room. They play an important role in the building structure. When doing interior decoration or architectural design, by measuring the width of indoor beams, designers can better plan the space layout and avoid the negative impact of beams on space utilization.

[0003] Patent announcement number CN212007084U discloses a device for measuring the width of indoor beams for construction, including a base, a guide rail and a laser rangefinder. The guide rail is horizontally arranged and installed on the top of the base. The top surface of the guide rail is provided with a slide groove extending along its length direction. The top surface of the guide rail is provided with scale lines extending along the direction of the slide groove. A positioning rod is provided on one side of the guide rail. The positioning rod and the guide rail are arranged parallel to each other. The laser rangefinder is arranged on the guide rail and can slide back and forth along the slide groove. The laser emission head of the laser rangefinder is located on its top surface. The device for measuring the width of indoor beams for construction is provided with a base, a guide rail and a laser rangefinder. The surveyor can directly measure the width of the building beam on the ground, avoiding the danger brought by the surveyor's climbing and improving the safety of the measurement.

[0004] However, the above technical solution still has the following deficiencies in practical application:

[0005] When measuring by using a laser rangefinder to emit a laser from one point to another, however, in some cases, the indoor beam wall may not be perpendicular to the ground and may have a certain slope. This may be caused by construction factors, building materials, etc. When this happens, using a laser rangefinder to measure the width will cause errors in the measurement results. In the subsequent construction process, if it is found that the actual width of the beam does not match the design, it will affect the progress of the construction. In addition, since the wall is still in the rough stage when measuring the width of the indoor beam, there may be some dust particles on the surface and bulges are formed on the wall. When the laser is irradiated, it may be blocked by these bulges, which in turn affects the accuracy of the measurement results. It is also difficult for staff to know whether the measurement results are interfered with. It is also time-consuming to perform multiple measurements to obtain a more accurate beam width.

[0006] To this end, the present invention provides an indoor beam width measuring device for buildings. Summary of the Invention

[0007] In order to remedy the deficiencies of the prior art and solve at least one of the technical problems raised in the background art, the present invention proposes a device for measuring the width of indoor beams of a building.

[0008] The technical solution adopted by the present invention to solve its technical problem is: a device for measuring the width of an indoor beam of a building, comprising a base, an upper end surface of the base is provided with a scissor lift mechanism, an upper end of the scissor lift mechanism is provided with a lifting plate, the right side of the upper end surface of the lifting plate is fixedly connected to a fixed plate, one side of the left end surface of the fixed plate is fixedly connected to a slide plate, a slide rod 1 is slidably connected to the inner side of the slide rod, the left end of the slide rod 1 is fixedly connected to an adjustment plate, a right end surface of the fixed plate is fixedly connected to a laser rangefinder body, a laser transmitter head is provided at the left end of the laser rangefinder body, and the laser transmitter head penetrates one side of the fixed plate and extends to the left side of the fixed plate, and both the fixed plate and the adjustment plate are provided with an anti-impurity interference detection component for detecting whether the fixed plate and the adjustment plate are in contact with the wall surface;

[0009] The anti-impurity interference detection component includes two sliding rods 2 fixedly connected to a fixed plate and an adjustment plate, the sliding rod 2 is slidably connected to a displacement plate, both ends of one side of the displacement plate are fixedly connected to a spring damper, the piston end of the spring damper is fixedly connected to a mounting bracket, a pressure rod is provided on one side of the mounting bracket, a pressure sensor is provided on one side of the displacement plate, an electrostatic roller is rotatably provided on one side of the mounting bracket, and an indicator light is provided on one side of the displacement plate.

[0010] Preferably, a plurality of tooth blocks are provided on a lower end surface of the slide rod, and a gear is rotatably provided on one side of the slide plate, and the gear and the tooth block are meshed with each other.

[0011] Preferably, one side of the chute plate is fixedly connected to the second motor, and the output end of the second motor is fixedly connected to the gear.

[0012] Preferably, one side of the fixed plate and the adjustment plate are both fixedly connected to an electric push rod 1, and the piston end of the electric push rod 1 is fixedly connected to one side of the displacement plate.

[0013] Preferably, a motor 1 is fixedly connected to one side of the front end surface of the mounting frame, and an output end of the motor 1 is fixedly connected to the middle part of the electrostatic roller.

[0014] Preferably, two sliding rods three are slidably connected to one side of the mounting frame, and one end of the sliding rod three is fixedly connected to a scraper.

[0015] Preferably, one end of the slide rod three is fixedly connected to the limiting block, and a spring is sleeved on one side of the slide rod three. One end of the spring is fixedly connected to the limiting block, and the other end of the spring is fixedly connected to one side of the mounting bracket.

[0016] Preferably, one side of the upper end surface of the mounting frame is fixedly connected to a second electric push rod, and the piston end of the second electric push rod is fixedly connected to a push block.

[0017] Preferably, a display screen is provided on one side of the upper end surface of the laser rangefinder body.

[0018] Preferably, a plurality of universal wheels are provided on the lower end surface of the base, threaded rods are provided on both sides of the base, and anti-slip pads are fixedly connected to the lower ends of the threaded rods.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. The present invention discloses a device for measuring the width of indoor beams in buildings. The device utilizes an anti-impurity interference detection component. Before a laser rangefinder is used for measurement, the device uses an electrostatic roller in contact with the wall to determine whether a fixed plate or an adjustment plate is in close contact with the wall. This allows the device to determine whether to perform measurement at this location, thereby avoiding invalid measurements and improving measurement efficiency and accuracy. Furthermore, when the electrostatic roller approaches the wall, the device is energized to absorb impurities from the wall. Simultaneously, the device is driven to rotate. Because the electrostatic roller is in contact with a scraper, impurities adsorbed on the surface of the electrostatic roller are scraped off by the scraper. That is, while the electrostatic roller is adsorbing impurities, it is also removing impurities on its surface. When the electrostatic roller contacts the wall, the impurities can avoid affecting the electrostatic roller, further improving the accuracy of detection and avoiding misleading workers. Moreover, when the electrostatic roller completes an adsorption work and stops rotating, it drives the push block to move to hit the limit block, and the spring and the slide rod cooperate to make the scraper vibrate, so that the impurities attached to the inside can be shaken off, thereby ensuring the cleanliness of the inside of the scraper and avoiding the impurities accumulating too much on the inside of the scraper and moving to the surface of the electrostatic roller, thereby affecting its adsorption effect.

[0021] 2. The device for measuring the width of indoor beams in a building described in the present invention utilizes universal wheels to move the entire device to a designated position, which is relatively convenient. Moreover, after the device is moved to the designated position, the anti-slip pad can be lowered by rotating the threaded rod and contacted with the ground, so that the base is stabilized, thereby avoiding the situation where the measurement result is affected by the slipping of the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below with reference to the accompanying drawings.

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 2 yes Figure 1 A partial enlarged view of the middle A;

[0025] Figure 3 It is a schematic diagram of the local three-dimensional structure of the adjustment plate;

[0026] Figure 4 yes Figure 3 A partial enlarged view of point B in the middle;

[0027] Figure 5 This is a schematic diagram of the local three-dimensional structure of the electrostatic roller;

[0028] Figure 6 It is a schematic diagram of the local three-dimensional structure of the scraper;

[0029] Figure 7 It is a schematic diagram of the local three-dimensional structure of the laser rangefinder body;

[0030] Figure 8 It is a schematic diagram of the local three-dimensional structure of the chute plate.

[0031] In the figure: 1. Base; 2. Universal wheel; 3. Scissor lift mechanism; 4. Threaded rod; 5. Anti-slip pad; 6. Fixed plate; 7. Slide plate; 8. Slide bar 1; 9. Adjustment plate; 10. Electric push rod 1; 11. Slide bar 2; 12. Displacement plate; 13. Spring damper; 14. Pressure sensor; 15. Pressure rod; 16. Electric push rod 2; 17. Motor 1; 18. Electrostatic roller; 19. Mounting frame; 20. Scraper; 21. Slide bar 3; 22. Limit block; 23. Spring; 24. Gear block; 25. Lifting plate; 26. Motor 2; 27. Gear; 28. Laser rangefinder body; 29. ​​Laser transmitter head; 30. Display screen; 31. Indicator light; 32. Push block. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Please refer to Figures 1-8 The present invention provides a technical solution: a device for measuring the width of an indoor beam of a building, comprising a base 1, a scissor lift mechanism 3 is provided on the upper end surface of the base 1, a lifting plate 25 is provided on the upper end of the scissor lift mechanism 3, a fixing plate 6 is fixedly connected to the right side of the upper end surface of the lifting plate 25, a slide plate 7 is fixedly connected to the left side of the fixing plate 6, a slide rod 8 is slidably connected to the inner side of the slide rod 7, an adjustment plate 9 is fixedly connected to the left end of the slide rod 8, a laser rangefinder body 28 is fixedly connected to the right side of the fixing plate 6, a laser transmitter 29 is provided on the left end of the laser rangefinder body 28, and the laser transmitter 29 penetrates one side of the fixing plate 6 and extends to the left side of the fixing plate 6, and an anti-impurity interference detection component for detecting whether the fixing plate 6 and the adjustment plate 9 are in contact with the wall is provided on both the fixing plate 6 and the adjustment plate 9;

[0034] The anti-impurity interference detection component includes two sliding rods 11 fixedly connected to the fixed plate 6 and the adjustment plate 9. The sliding rod 11 is slidably connected to the displacement plate 12. Both ends of one side of the displacement plate 12 are fixedly connected to the spring damper 13. The piston end of the spring damper 13 is fixedly connected to the mounting bracket 19. A pressure rod 15 is provided on one side of the mounting bracket 19. A pressure sensor 14 is provided on one side of the displacement plate 12. An electrostatic roller 18 is rotatably provided on one side of the mounting bracket 19. An indicator light 31 is provided on one side of the displacement plate 12.

[0035] In this embodiment, Figures 1-8 As shown, a plurality of tooth blocks 24 are provided on the lower end surface of the slide rod 8, and a gear 27 is rotatably provided on one side of the slide plate 7, and the gear 27 and the tooth block 24 are meshed with each other.

[0036] One side of the chute plate 7 is fixedly connected to a second motor 26 , and an output end of the second motor 26 is fixedly connected to a gear 27 .

[0037] One side of the fixed plate 6 and the adjustment plate 9 is fixedly connected to an electric push rod 10, and the piston end of the electric push rod 10 is fixedly connected to one side of the displacement plate 12.

[0038] One side of the front end surface of the mounting frame 19 is fixedly connected to the motor 17 , and the output end of the motor 17 is fixedly connected to the middle of the electrostatic roller 18 .

[0039] Two sliding rods 3 21 are slidably connected to one side of the mounting frame 19 , and a scraper 20 is fixedly connected to one end of the sliding rod 3 21 .

[0040] One end of the slide bar 3 21 is fixedly connected to the limit block 22 , and a spring 23 is sleeved on one side of the slide bar 3 21 . One end of the spring 23 is fixedly connected to the limit block 22 , and the other end of the spring 23 is fixedly connected to one side of the mounting bracket 19 .

[0041] One side of the upper end surface of the mounting frame 19 is fixedly connected to the electric push rod 16 , and the piston end of the electric push rod 16 is fixedly connected to the push block 32 .

[0042] Specifically, when the existing indoor beam width measuring device is in use, it uses a laser rangefinder to emit a laser from one point to another point, and the distance between the two points is the width of the indoor beam. However, in some cases, the indoor beam wall and the ground may not be perpendicular and have a certain slope. This may be caused by construction factors, building materials, etc. When this happens, using a laser rangefinder to measure the width will lead to errors in the measurement results. In the subsequent construction process, if it is found that the actual width of the beam does not match the design, it will affect the progress of the construction. In addition, since the wall surface is still in the rough stage when the indoor beam width is measured, there may be some dust particles on the surface, forming protrusions on the wall surface. When the laser is irradiated, it may be blocked by these protruding particles, thereby affecting the accuracy of the measurement result. It is also difficult for the staff to know whether the measurement result is interfered with. It is also time-consuming to perform multiple measurements to obtain a more accurate beam width.

[0043] Therefore, in order to solve the above problem, when using this embodiment, the base 1 is placed under the indoor beam, and then the scissor lift mechanism 3 is used to raise the lifting plate 25, and the left end face of the fixed plate 6 is driven to fit with one side of the indoor beam, and then the motor 26 is used to drive the gear 27 to rotate, and the slide bar 1 8 can be slid from right to left under the action of the tooth block 24 to adjust the distance between the fixed plate 6 and the adjusting plate 9, and cooperate with the raising of the adjusting plate 9 to make the right end face of the adjusting plate 9 fit with the other side of the indoor beam. At this time, the distance from the right end face of the adjusting plate 9 to the left end face of the fixed plate 6 is the width of the indoor beam, and then the laser rangefinder body 28 is turned on, and the laser transmitter 29 is used to emit laser. The laser falls on the adjusting plate 9, and the distance between the fixed plate 6 and the adjusting plate 9 can be measured, and the width of the indoor beam can be obtained.

[0044] Moreover, after the fixing plate 6 and the adjusting plate 9 are both in contact with the wall, and before the laser rangefinder main body 28 is turned on, the electric push rods 10 on both sides are started at the same time. The electric push rods 10 drive the displacement plate 12 to slide on the slide rod 2 11, so that the electrostatic rollers 18 on both sides are close to the wall at the same time. If the wall is flat without protrusions and is perpendicular to the ground, the distance between the two electrostatic rollers 18 and the wall is the same, and the two electrostatic rollers 18 will contact the wall at the same time. In addition, the spring damper 13 is deformed, and the pressure rod 15 is close to the pressure sensor 14. When the pressure sensor 14 detects pressure, the indicator light 31 lights up. If the two indicator lights 31 light up at the same time, it means that the fixing plate 6 and the adjusting plate 9 are tightly attached to the wall. If the width is measured, the measurement result will be accurate. However, when any side of the wall is tilted or has a protrusion, the distance between the two electrostatic rollers 18 and the wall will be different. Then, the indicator light 31 on one side will light up first. At this time, the distance between the fixed plate 6 and the adjustment plate 9 is not equal to the width of the indoor beam, and the measurement result will be inaccurate. It is unnecessary to measure, and it is necessary to change the measurement position or adopt other processing methods. Therefore, before using the laser rangefinder body 28 to measure, it is possible to judge whether the fixed plate 6, the adjustment plate 9 and the wall are tightly attached to each other, and choose whether to measure at this position, thereby avoiding invalid measurement and improving measurement efficiency and accuracy.

[0045] Moreover, in some cases, the fixed plate 6 and the adjustment plate 9 are in close contact with the wall. However, when the electrostatic roller 18 contacts the wall, there may be impurities such as dust and particles at the contact position, and a bulge may be formed at the contact position, which will cause the electrostatic roller 18 to be squeezed in advance, resulting in the indicator light 31 on one side lighting up first, thereby misleading the measurement personnel. Therefore, in order to avoid this situation, when the electrostatic roller 18 is close to the wall, the electrostatic roller 18 is energized, and the electrostatic roller 18 is used to absorb the impurities on the wall. At the same time, the electrostatic roller 18 is driven to rotate by the motor 17. Since the electrostatic roller 18 is in contact with the scraper 20, the impurities absorbed on the surface of the electrostatic roller 18 will be scraped off by the scraper 20, that is, while the electrostatic roller 18 absorbs the impurities, the impurities on its surface are also removed. When the electrostatic roller 18 contacts the wall, the impurities can be prevented from affecting the electrostatic roller 18, thereby further improving the accuracy of the detection and avoiding misleading the workers.

[0046] In addition, since the scraper 20 is used to scrape off impurities on the surface of the electrostatic roller 18, impurities may also accumulate on the inside of the scraper 20. When too many impurities accumulate, these impurities may move to the surface of the electrostatic roller 18, thereby affecting its adsorption effect. Therefore, in order to avoid this situation, when the electrostatic roller 18 completes an adsorption work and stops rotating, the electric push rod 2 16 is used to drive the push block 32 to move to hit the limit block 22, and the spring 23 and the slide rod 3 21 cooperate to make the scraper 20 vibrate, so that the impurities attached to the inside can be shaken off, thereby ensuring the cleanliness of the inside of the scraper 20 and avoiding the situation where the impurities accumulate too much on the inside of the scraper 20 and move to the surface of the electrostatic roller 18, thereby affecting its adsorption effect.

[0047] In this embodiment, Figure 7 As shown, a display screen 30 is provided on one side of the upper end surface of the laser rangefinder body 28.

[0048] Specifically, the measured values ​​can be read using the display screen 30 , which is more convenient.

[0049] In this embodiment, Figure 1 As shown, a plurality of universal wheels 2 are provided on the lower end surface of the base 1 , threaded rods 4 are provided on both sides of the base 1 , and anti-slip pads 5 are fixedly connected to the lower ends of the threaded rods 4 .

[0050] Specifically, the entire device can be moved to a designated position using the universal wheel 2, which is relatively convenient. Moreover, when the device is moved to the designated position, the anti-slip pad 5 can be lowered by rotating the threaded rod 4 and contacted with the ground, so that the base 1 can be stabilized, avoiding the situation where the measurement result is affected by the slipping of the base 1.

[0051] Working principle: The universal wheel 2 can be used to move the entire device to the designated position, which is relatively convenient. After the device moves to the designated position, the anti-slip pad 5 can be lowered by rotating the threaded rod 4 and contacted with the ground, so that the base 1 can be stabilized to avoid the measurement result being affected by the slip of the base 1. The base 1 is placed under the indoor beam, and then the scissor lift mechanism 3 is used to raise the lifting plate 25, and the left end face of the fixed plate 6 is driven to fit with one side of the indoor beam. Then, the motor 26 is used to drive the gear 27 to rotate, and the slide bar 1 8 can be made to slide from right to left under the action of the tooth block 24. Adjust the distance between the fixed plate 6 and the adjusting plate 9, and cooperate with the rise of the adjusting plate 9 to make the right end surface of the adjusting plate 9 fit with the other side of the indoor beam. At this time, the distance from the right end surface of the adjusting plate 9 to the left end surface of the fixed plate 6 is the width of the indoor beam. Then turn on the laser rangefinder body 28, and use the laser emission head 29 to emit laser. The laser falls on the adjusting plate 9 to measure the distance between the fixed plate 6 and the adjusting plate 9, and then get the width of the indoor beam. Use the display screen 30 to read the measured value, which is more convenient. Moreover, when the fixed plate 6 and the adjusting plate 9 are both in contact with the wall, and before the laser rangefinder body 28 is turned on, At the same time, start the electric push rod 10 on both sides, and the electric push rod 10 drives the displacement plate 12 to slide on the slide rod 2 11, so that the electrostatic rollers 18 on both sides are close to the wall at the same time. If the wall is flat and has no protrusions and is perpendicular to the ground, the distance between the two electrostatic rollers 18 and the wall is the same. The two electrostatic rollers 18 will contact the wall at the same time, and the spring damper 13 will be deformed. The pressure rod 15 is close to the pressure sensor 14. When the pressure sensor 14 detects pressure, the indicator light 31 lights up. If the two indicator lights 31 light up at the same time, it means that the fixing plate 6 and the adjustment plate 9 are tightly fitted with the wall. At this time, the width measurement work is carried out again, and the measurement is The result is accurate. However, when any side of the wall is tilted or has a protrusion, the distance between the two electrostatic rollers 18 and the wall will be different. Then, the indicator light 31 on one side will light up first. At this time, the distance between the fixed plate 6 and the adjustment plate 9 is not equal to the width of the indoor beam, and the measurement result will be inaccurate. It is unnecessary to measure, and it is necessary to change the measurement position or adopt other processing methods. Therefore, before using the laser rangefinder body 28 to perform the measurement work, it is possible to judge whether the fixed plate 6, the adjustment plate 9 and the wall are tightly fitted to choose whether to measure at this position, thereby avoiding invalid measurement and improving measurement efficiency and accuracy.Moreover, in some cases, the fixed plate 6 and the adjustment plate 9 are in close contact with the wall. However, when the electrostatic roller 18 contacts the wall, there may be impurities such as dust and particles at the contact position, and a bulge may be formed at the contact position, which will cause the electrostatic roller 18 to be squeezed in advance, and the indicator light 31 on one side will light up first, thereby misleading the measurement personnel. Therefore, in order to avoid this situation, when the electrostatic roller 18 is close to the wall, the electrostatic roller 18 is energized, and the electrostatic roller 18 is used to absorb impurities on the wall. At the same time, the motor 17 is used to drive the electrostatic roller 18 to rotate. Since the electrostatic roller 18 is in contact with the scraper 20, the impurities absorbed on the surface of the electrostatic roller 18 will be scraped off by the scraper 20. That is, while the electrostatic roller 18 absorbs impurities, it also removes impurities on its surface. When the electrostatic roller 18 contacts the wall, the impurities can be prevented from affecting the electrostatic roller 18. This further improves the accuracy of detection and avoids misleading workers. In addition, since the scraper 20 is used to scrape off impurities on the surface of the electrostatic roller 18, impurities may also accumulate on the inside of the scraper 20. When too much impurities accumulate, these impurities may move to the surface of the electrostatic roller 18, thereby affecting its adsorption effect. Therefore, in order to avoid this situation, when the electrostatic roller 18 completes an adsorption work and stops rotating, the electric push rod 2 16 is used to drive the push block 32 to move and impact the limit block 22. The spring 23 and the slide rod 3 21 cooperate to cause the scraper 20 to vibrate, so that the impurities attached to the inside are shaken off, thereby ensuring the cleanliness of the inside of the scraper 20 and avoiding the situation where impurities accumulate too much on the inside of the scraper 20 and move to the surface of the electrostatic roller 18, thereby affecting its adsorption effect.

[0052] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for measuring the width of an indoor beam of a building, comprising a base (1), characterized in that: The upper end surface of the base (1) is provided with a scissor lift mechanism (3), and the upper end of the scissor lift mechanism (3) is provided with a lifting plate (25), the right side of the upper end surface of the lifting plate (25) is fixedly connected to a fixed plate (6), the left end surface of the fixed plate (6) is fixedly connected to a slide plate (7), the inner side of the slide plate (7) is slidably connected to a slide rod (8), the left end of the slide rod (8) is fixedly connected to an adjustment plate (9), the right end surface of the fixed plate (6) is fixedly connected to a laser rangefinder body (28), the left end of the laser rangefinder body (28) is provided with a laser transmitter (29), and the laser transmitter (29) and one side of the fixed plate (6) are penetrated and extended to the left side of the fixed plate (6), and the fixed plate (6) and the adjustment plate (9) are both provided with an anti-impurity interference detection component for detecting whether the fixed plate (6) and the adjustment plate (9) are in contact with the wall; The anti-impurity interference detection component includes two slide bars (11) fixedly connected to the fixed plate (6) and the adjustment plate (9), the slide bar (11) is slidably connected to the displacement plate (12), both ends of one side of the displacement plate (12) are fixedly connected to the spring damper (13), the piston end of the spring damper (13) is fixedly connected to the mounting frame (19), a pressure rod (15) is provided on one side of the mounting frame (19), a pressure sensor (14) is provided on one side of the displacement plate (12), an electrostatic roller (18) is rotatably provided on one side of the mounting frame (19), and a pressure sensor (14) is provided on one side of the displacement plate (12). There is an indicator light (31), one side of the mounting frame (19) is slidably connected to two slide rods (21), one end of the slide rod (21) is fixedly connected to a scraper (20), one end of the slide rod (21) is fixedly connected to a limit block (22), one side of the slide rod (21) is sleeved with a spring (23), one end of the spring (23) is fixedly connected to the limit block (22), the other end of the spring (23) is fixedly connected to one side of the mounting frame (19), one side of the upper end surface of the mounting frame (19) is fixedly connected to an electric push rod (16), and the piston end of the electric push rod (16) is fixedly connected to a push block (32).

2. The indoor beam width measuring device for a building according to claim 1, characterized in that: The lower end surface of the slide rod (8) is provided with a plurality of tooth blocks (24), and a gear (27) is rotatably provided on one side of the slide plate (7), and the gear (27) and the tooth block (24) are meshed with each other.

3. The indoor beam width measuring device for a building according to claim 2, characterized in that: One side of the chute plate (7) is fixedly connected to a second motor (26), and an output end of the second motor (26) is fixedly connected to a gear (27).

4. The indoor beam width measuring device for a building according to claim 1, characterized in that: One side of the fixed plate (6) and the adjustment plate (9) is fixedly connected to an electric push rod (10), and the piston end of the electric push rod (10) is fixedly connected to one side of the displacement plate (12).

5. The indoor beam width measuring device for a building according to claim 1, characterized in that: One side of the front end surface of the mounting frame (19) is fixedly connected to a motor 1 (17), and the output end of the motor 1 (17) is fixedly connected to the middle of the electrostatic roller (18).

6. The device for measuring the width of indoor beams used in buildings according to claim 1, characterized in that: A display screen (30) is provided on one side of the upper end surface of the laser rangefinder body (28).

7. The indoor beam width measuring device for a building according to claim 1, characterized in that: The lower end surface of the base (1) is provided with a plurality of universal wheels (2), and threaded rods (4) are provided on both sides of the base (1), and the lower ends of the threaded rods (4) are fixedly connected to anti-slip pads (5).

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