Building engineering facade flatness detection device

Abstract

The invention provides a building engineering facade flatness detection device, and relates to the technical field of building construction measurement equipment. The device comprises a standard rod, a sliding sleeve and a detection assembly, the positions, close to the two ends of the standard rod, of a rod body of the standard rod extend in the direction away from the standard rod to form abutting columns, and all the abutting columns can abut against a plane to be detected; the sliding sleeve is arranged on the standard bar in a sleeving mode and can slide in the axial direction of the standard bar. The detection assembly is arranged on the sliding sleeve and can detect the distance between the detection assembly and the plane to be detected. The device has the advantages of being free of cooperation of multiple persons in use and convenient to detect.

Description

Technical Field

[0001] The present application relates to the technical field of building construction measurement equipment, and in particular to a device for detecting the flatness of the facade of a building project. Background Art

[0002] When a building is poured or piled, there may be potholes and defects that cause unevenness of the ground, walls and other facades. Therefore, it is necessary to conduct a flatness test on the building facade during later inspection and maintenance, so as to fill and repair the places with larger potholes and defects, so that the building facade meets the quality standards.

[0003] Existing devices for detecting the flatness of facades of construction projects generally include a ruler and a wedge-shaped pad. During the detection, the inspector will first place the ruler against the plane to be detected, and then visually find the position where the gap between the ruler and the plane to be detected is relatively large, and then insert the tip of the pad into the position until a part of the pad is abutted between the ruler and the plane to be detected, then take out the pad and use a measuring tool to measure the thickness of the part to obtain the maximum distance difference between the ruler and the plane to be detected, and finally, after repeating the above operation many times, use the obtained data to calculate the flatness of the plane to be measured.

[0004] However, since the ruler needs to remain in place and cannot move during the process of removing the pad, measuring and recording data, the use of the building facade flatness detection device often requires the cooperation of multiple people, which makes the use of the building facade flatness detection device relatively inconvenient.

[0005] In view of this, it is necessary to provide a device for detecting the flatness of the facade of a building project. Summary of the invention

[0006] In order to solve the problem that the existing construction project facade flatness detection device requires the cooperation of multiple people when in use, which is inconvenient to use, the present application provides a construction project facade flatness detection device.

[0007] The present application provides a device for detecting the flatness of the facade of a building project, which adopts the following technical solution: comprising a standard rod, a sliding sleeve and a detection assembly, wherein an abutment column is provided on the rod body of the standard rod at positions close to both ends thereof and extending in a direction away from the standard rod, and each of the abutment columns can abut against the plane to be measured; The sliding sleeve is sleeved on the standard rod and can slide along the axial direction of the standard rod; The detection component is arranged on the sliding sleeve and can detect the distance between the detection component and the plane to be detected.

[0008] By adopting the above technical scheme, when using the building project facade flatness detection device for detection, the user can first abut the two abutment columns on the standard rod with the plane to be measured, and then move the sliding sleeve along the axial direction of the standard rod, so that the sliding sleeve can move with the detection component, and the detection component can detect the distance between itself and the plane to be measured during movement, and then realize the flatness detection of the part of the plane to be measured located between the two abutment columns, so that the use of the building project facade flatness detection device does not require the cooperation of multiple people, and is very convenient to use.

[0009] Specifically, the detection assembly includes an abutment member and a detection unit, one side of the abutment member is slidably connected to the sliding sleeve along the radial direction of the standard rod, and the other end of the abutment member can abut against the detection plane; The detection unit is capable of detecting a sliding distance of the abutment member in a radial direction of the standard rod.

[0010] By adopting the above technical solution, when the user pushes one side of the abutment member to abut against the protrusion or depression on the plane to be measured, the abutment member as a whole will slide a corresponding distance in the radial direction of the standard rod, so that the detection unit can determine whether the part that the abutment member is abutting is higher or lower than the length of the abutment column by detecting this distance.

[0011] Furthermore, the detection component also includes a compression spring, a sliding groove is opened on the sliding sleeve along the radial direction of the standard rod, a slider is provided on the abutment member, the slider is inserted into the sliding groove and can slide along the sliding groove, and the compression spring is arranged between the side of the slider facing away from the abutment column and the inner wall of the sliding groove.

[0012] By adopting the above technical solution, when the surface to be measured is detected by using the building engineering facade flatness detection device, the compression spring can apply pressure to the slider and make the abutment member automatically abut against the surface to be measured.

[0013] Furthermore, the detection unit includes an indicating bolt and a scale, an adjusting screw hole is opened on the abutment member along the radial direction of the standard rod, the screw end of the indicating bolt is screwed to the adjusting screw hole, and a pointer is provided on the screw head end of the indicating bolt; The scale is arranged on the sliding sleeve along the radial direction of the standard rod, and a scale is arranged on a side of the scale facing the pointer.

[0014] By adopting the above technical solution, the pointer can cooperate with the ruler, so that the user can read the distance that the abutment slides in the radial direction of the standard rod; before testing, the user can adjust the distance between the pointer and the abutment by rotating the indicator bolt, and then align the pointer with the 0 scale line on the ruler, which is convenient for reading.

[0015] Furthermore, the abutment member includes a slide, a mounting beam, an abutment head and a suction cup, the slide block is arranged on one end of the slide, the end of the mounting beam is rotatably connected to the other end of the slide, the abutment head is arranged on one side of the mounting beam and can abut against the plane to be measured, and the suction cup is arranged on the other side of the mounting beam and can adsorb the plane to be measured.

[0016] By adopting the above technical solution, after the sliding sleeve moves along the standard rod from one end of the standard rod to the other end of the standard rod, the user needs to move the standard rod along the axial direction of the standard rod to the next area to be detected. At this time, the user can first pull the sliding frame in the direction away from the plane to be measured, and then rotate the mounting beam so that the suction cup faces the plane to be measured and the abutment head faces away from the plane to be measured, and then release the sliding frame so that the compression spring drives the sliding frame to drive the suction cup to adsorb the plane to be measured, so that the abutment head and the sliding sleeve can be fixed on the plane to be measured and the movement of the standard rod can be limited by the sliding sleeve, and then the user can directly move the standard rod to the next area to be detected, without the need to use auxiliary lines on the plane to be measured, etc., and it can also ensure that the axial direction of the standard rod is parallel in the two previous and subsequent detections.

[0017] Furthermore, a T-slot is provided on the mounting beam, one end of the T-slot extends to one end of the mounting beam and forms an opening, the abutment joint is provided with a T-block adapted to the T-slot, and the abutment joint can be inserted into the T-slot via the T-block and detachably connected to the mounting beam.

[0018] By adopting the above technical solution, the arrangement of the T-slot and the T-block enables the abutment joint to be detachably connected to the mounting beam, thereby allowing the user to replace the abutment joint with different sizes in the length direction of the abutment column or in the radial direction of the standard rod, thereby facilitating the user to perform flatness detection of different accuracies and different ranges on the plane to be measured.

[0019] Furthermore, the abutment member also includes a lever, one end of which is provided with a rotating shaft and is rotatably connected to the slide frame via the rotating shaft. When the abutment column abuts against the plane to be measured and the abutment head or the suction cup is away from the plane to be measured, the other end of the lever can abut against the side of the sliding sleeve that is away from the abutment column.

[0020] By adopting the above technical solution, the user can rotate the lever when pulling the slide away from the plane to be measured to rotate the mounting beam, so that the lever can abut against the side of the sliding sleeve facing away from the abutment column and limit the movement of the slide toward the plane to be measured.

[0021] Specifically, it also includes a driving assembly, which is drivingly connected to the sliding sleeve and can drive the sliding sleeve to move along the axial direction of the standard rod.

[0022] By adopting the above technical solution, the user can drive the sliding sleeve to automatically move along the axial direction of the standard rod through the driving component, thereby realizing automatic detection.

[0023] Furthermore, the driving assembly includes a driving motor and a driving gear. A driving groove is provided on the rod body on one side of the standard rod away from the abutting column along the axial direction of the standard rod. A rack is provided on the groove wall on one side of the driving groove along the length direction of the driving groove. The driving motor is arranged on the sliding sleeve, and the output shaft of the driving motor extends into the driving groove and is connected to the driving gear, and the driving gear is meshed with the rack.

[0024] By adopting the above technical solution, the driving gear can mesh with the rack, and the driving motor can drive the sliding sleeve to automatically move along the axial direction of the standard rod by driving the driving gear to rotate.

[0025] Specifically, a buffer is provided on one end of the abutment column away from the standard rod.

[0026] By adopting the above technical solution, the buffer member can form a buffer between the abutting column and the plane to be measured, thereby protecting the plane to be measured.

[0027] In summary, the present application includes at least one of the following beneficial technical effects: 1. It comprises a standard rod, a sliding sleeve and a detection component. An abutting column is provided at a position on the rod body of the standard rod near its two ends and extending in a direction away from the standard rod. Each abutting column can abut against the plane to be measured. The sliding sleeve is sleeved on the standard rod and can slide along the axial direction of the standard rod. The detection component is arranged on the sliding sleeve and can detect the distance between it and the plane to be measured, so that the user can first abut the two abutting columns on the standard rod with the plane to be measured, and then move the sliding sleeve along the axial direction of the standard rod, so that the sliding sleeve can move with the detection component, and the detection component can detect the distance between itself and the plane to be measured when moving, and then realize the flatness detection of the part of the plane to be measured between the two abutting columns, so that the use of the building engineering facade flatness detection device does not require the cooperation of multiple people, and the use is very convenient; 2. The abutment member includes a slide, a mounting beam, an abutment head and a suction cup. The slider is arranged on one end of the slide, and the end of the mounting beam is rotatably connected to the other end of the slide. The abutment head is arranged on a beam body on one side of the mounting beam and can abut against the plane to be measured. The suction cup is arranged on a beam body on the other side of the mounting beam and can adsorb the plane to be measured. After the sliding sleeve moves from one end of the standard rod to the other end of the standard rod along the standard rod, the user needs to move the standard rod along the axial direction of the standard rod to the next area to be detected. At this time, the user can first pull the slide in a direction away from the plane to be measured, and then rotate the mounting beam so that the suction cup faces the plane to be measured and the abutment head faces away from the plane to be measured, and then release the slide so that the compression spring drives the slide to drive the suction cup to adsorb the plane to be measured, so that the abutment member and the sliding sleeve can be fixed on the plane to be measured and the movement of the standard rod can be limited by the sliding sleeve, so that the user can directly move the standard rod to the next area to be detected, and it is not necessary to use methods such as making auxiliary lines on the plane to be measured to ensure that the axial direction of the standard rod is parallel in the two previous and subsequent detections. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional diagram of a building engineering facade flatness detection device of the present application; Figure 2 is along Figure 1 A schematic cross-sectional view of the output shaft of the middle drive motor taken along the central axis; Figure 3 is along Figure 2 Schematic cross-sectional view taken along the AA direction.

[0029] Figure numerals: 1. standard rod; 11. abutment column; 111. buffer member; 12. drive groove; 2. sleeve; 21. roller; 3. detection assembly; 31. abutment member; 311. slider; 312. slide; 313. mounting beam; 314. abutment head; 315. suction cup; 316. lever; 32. detection unit; 321. indicator bolt; 322. ruler; 33. compression spring; 4. plane to be measured; 5. drive assembly; 51. drive motor; 52. drive gear. DETAILED DESCRIPTION

[0030] Figure 1 This is a three-dimensional diagram of a building facade flatness detection device of the present application. Figure 2 is along Figure 1 A schematic cross-sectional view of the output shaft of the drive motor. Figure 1 and Figure 2A device for detecting the flatness of the facade of a building project comprises a standard rod 1, a sliding sleeve 2, a driving assembly 5 and a detecting assembly 3. An abutting column 11 is provided on the rod body of the standard rod 1 at positions close to both ends thereof and extending in a direction away from the standard rod 1. A buffer 111 capable of abutting against a plane 4 to be measured is provided on one end of each abutting column 11 away from the standard rod 1. The buffer 111 can be made of rubber so as to form a buffer between the abutting column 11 and the plane 4 to be measured through the buffer 111, thereby protecting the plane 4 to be measured.

[0031] Figure 3 is along Figure 2 Schematic cross-sectional view taken along the AA direction. Figure 2 and Figure 3 A driving groove 12 is provided on the rod body on one side of the standard rod 1 away from the abutment column 11 along the axial direction of the standard rod 1, and a rack is provided on one side groove wall of the driving groove 12 along the length direction of the driving groove 12. The sliding sleeve 2 is sleeved on the standard rod 1, and two rollers 21 are rotatably connected on the inner wall of the sliding sleeve 2. The wheel surfaces of the two rollers 21 are abutted against the groove wall on one side of the driving groove 12 away from the rack. The driving assembly 5 includes a driving motor 51 and a driving gear 52. The driving motor 51 is provided on the sliding sleeve 2, and the output shaft of the driving motor 51 extends into the driving groove 12 and is connected to the driving gear 52. The driving gear 52 is meshed with the rack, so that the driving motor 51 can drive the sliding sleeve 2 to automatically move along the axial direction of the standard rod 1 by driving the driving gear 52 to rotate.

[0032] See also Figure 1 and Figure 2 The detection assembly 3 includes abutment members 31, two compression springs 33 and a detection unit 32. The abutment members 31 include two slides 312, a mounting beam 313, an abutment head 314, a lever 316 and two suction cups 315. The two slides 312 are arranged in parallel along the length direction of the abutment column 11. The two ends of the mounting beam 313 are rotatably connected to the ends of the two slides 312 away from the standard rod 1. A slider 311 is provided on the ends of the two slides 312 close to the standard rod 1. Both sides of the sliding sleeve 2 are provided with sliding grooves along the radial direction of the standard rod 1. The compression springs 33, the sliding grooves and the sliders 311 correspond to each other one by one. Each slider 311 is inserted into a corresponding sliding groove and can slide along the sliding groove. Each compression spring 33 is arranged between a side of a corresponding slider 311 facing away from the abutment column 11 and an inner wall of the sliding groove where the slider 311 is located, so that the compression spring 33 can apply pressure to the slider 311 and make the abutment member 31 automatically abut against the plane 4 to be measured.

[0033] See also Figure 1 and Figure 2The mounting beam 313 is a beam with a rectangular cross-section. Two suction cups 315 are arranged at intervals on one side of the mounting beam 313. A T-shaped through slot is opened on the other side of the mounting beam 313. A T-shaped block adapted to the T-shaped slot is provided on the abutment joint 314, and the abutment joint 314 can be inserted into the T-shaped slot via the T-shaped block and detachably connected to the mounting beam 313, so that the user can replace the abutment joint 314 with different sizes in the length direction of the abutment column 11 or in the radial direction of the standard rod 1, so as to facilitate the user to perform flatness detection of different accuracies and different ranges on the plane 4 to be measured; one end of the lever 316 is provided with a rotating shaft and is rotatably connected to a slide 312 through the rotating shaft. When the abutment column 11 abuts against the plane 4 to be measured and the abutment joint 314 or the suction cup 315 is away from the plane 4 to be measured, the other end of the lever 316 can abut against the side of the sliding sleeve 2 facing away from the abutment column 11.

[0034] See also Figure 1 and Figure 2 The detection unit 32 includes an indicating bolt 321 and a scale 322. An adjusting screw hole is opened on the abutment 31 along the radial direction of the standard rod 1. The screw end of the indicating bolt 321 is screwed with the adjusting screw hole. A pointer is provided at the screw head end of the indicating bolt 321. The scale 322 is provided on the sliding sleeve 2 along the radial direction of the standard rod 1, and a scale is provided on the scale 322 on the side facing the pointer. The scale 322 can be a ruler with a 0 scale in the middle and positive and negative readings to reflect the degree of depression or protrusion, so that the pointer can cooperate with the scale 322, so that the user can read the distance that the abutment 31 slides in the radial direction of the standard rod 1. Before the detection, the user can also adjust the distance between the pointer and the abutment 31 by rotating the indicating bolt 321, so that the pointer is aligned with the 0 scale line on the scale 322, which is convenient for reading.

[0035] Taking the detection of a vertical plane as an example, the detection process of a device for detecting the flatness of a building facade described in this application is as follows: Before the test, the user can first control the driving motor 51 to move the sleeve 2 to one end of the standard rod 1, and then use one hand to always keep the two abutting posts 11 on the standard rod 1 against the plane 4 to be tested, and use the other hand to first rotate the indicating bolt 321 to align the pointer with the 0 scale line in the middle of the scale 322, and then start the driving motor 51 to move the sleeve 2 along the axial direction of the standard rod 1 to the other end of the standard rod 1, and record the valid data indicated by the pointer during the movement of the sleeve 2, and then first move the slide 3 12 is pulled in the direction away from the plane 4 to be measured, and then the lever 316 is rotated so that the lever 316 can abut against the side of the sliding sleeve 2 facing away from the abutting column 11, and then the lever 316 is used to limit the movement of the slide 312 in the direction close to the plane 4 to be measured, and then the mounting beam 313 is rotated so that the suction cup 315 faces the plane 4 to be measured and the abutting head 314 faces away from the plane 4 to be measured, and then the lever 316 is rotated to loosen the slide 312 so that the compression spring 33 drives the slide 312 to drive the suction cup 315 to adsorb the plane 4 to be measured; Then release the hand that has been holding the standard rod 1 and use this hand to hold the slide 312. At this time, the sleeve 2 and the standard rod 1 will move away from the plane 4 to be measured under the action of the compression spring 33, so that the buffer 111 at the end of each abutment column 11 is separated from the plane 4 to be measured. Then the user can use the free hand to control the drive motor 51 to drive the standard rod 1 to move inside the sleeve 2 until the sleeve 2 abuts against the end of the standard rod 1 where the sleeve 2 is originally located, and then move the slide 312 away from the plane 4 to be measured. Pull, and then rotate the lever 316 so that the lever 316 can abut against the side of the sliding sleeve 2 facing away from the abutment column 11, and then limit the movement of the slide 312 toward the direction close to the plane 4 to be measured by the lever 316, then rotate the mounting beam 313 so that the suction cup 315 faces away from the plane 4 to be measured and the abutment head 314 faces the plane 4 to be measured, and then rotate the lever 316 to loosen the slide 312 so that the compression spring 33 drives the slide 312 to drive the abutment head 314 to abut against the plane 4 to be measured, and finally repeat the above operations until the desired data is obtained.

[0036] The implementation principle of the construction engineering facade flatness detection device described in this application is: Before the test, the user can first control the driving motor 51 to move the sleeve 2 to one end of the standard rod 1, and then keep the two abutting posts 11 on the standard rod 1 against the plane 4 to be tested with one hand, and first rotate the indicating bolt 321 with the other hand to align the pointer with the 0 scale line in the middle of the scale 322, and then start the driving motor 51 to move the sleeve 2 along the axial direction of the standard rod 1 to the other end of the standard rod 1. When the abutting joint 314 abuts against the protrusion or depression on the plane 4 to be tested, the pointer of the indicating bolt 321 will slide a corresponding distance in the radial direction of the standard rod 1, so that the user only needs to record the valid data indicated by the pointer during the movement of the sleeve 2; After recording the data, the carriage 312 is first pulled away from the plane 4 to be measured, and then the lever 316 is rotated so that the lever 316 can abut against the side of the sleeve 2 facing away from the abutment column 11, and then the lever 316 is used to limit the carriage 312 from moving toward the plane 4 to be measured, and then the mounting beam 313 is rotated so that the suction cup 315 faces the plane 4 to be measured and the abutment head 314 faces away from the plane 4 to be measured, and then the lever 316 is rotated to release the carriage 312 so that the compression spring 33 drives the carriage 312 to drive the suction cup 315 to adsorb the plane 4 to be measured; Then release the hand that has been holding the standard rod 1 and use this hand to hold the slide 312. At this time, the sleeve 2 and the standard rod 1 will move away from the plane 4 to be measured under the action of the compression spring 33, so that the buffer 111 at the end of each abutment column 11 is separated from the plane 4 to be measured. Then the user can use the free hand to control the drive motor 51 to drive the standard rod 1 to move inside the sleeve 2, so that the abutment 31 and the sleeve 2 can be fixed on the plane 4 to be measured and the movement of the standard rod 1 can be limited by the sleeve 2, so that the user can directly move the standard rod 1 to the next area to be tested, and it is not necessary to use methods such as making auxiliary lines on the plane 4 to be tested to ensure that the axial direction of the standard rod 1 is parallel in the two previous and subsequent tests. After the sleeve 2 abuts against the end of the standard rod 1 where the sleeve 2 was originally located, the slide 312 is pulled in the direction away from the plane 4 to be measured, and the lever 316 is rotated so that the lever 316 can abut against the side of the sleeve 2 facing away from the abutment column 11, and then the lever 316 is used to limit the movement of the slide 312 in the direction close to the plane 4 to be measured, and then the mounting beam 313 is rotated so that the suction cup 315 faces away from the plane 4 to be measured and the abutment joint 314 faces the plane 4 to be measured, and then the lever 316 is rotated to loosen the slide 312 so that the compression spring 33 drives the slide 312 to drive the abutment joint 314 to abut against the plane 4 to be measured, and finally the above operation is repeated until the desired data is obtained, so that the use of the facade flatness detection device for the construction project does not require the cooperation of multiple people, and is very convenient to use.

[0037] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A device for detecting the flatness of a building facade, characterized in that: The standard rod (1) comprises a standard rod (1), a sliding sleeve (2) and a detection assembly (3); an abutment column (11) is provided on the rod body of the standard rod (1) at positions close to both ends thereof and extending in a direction away from the standard rod (1); each of the abutment columns (11) can abut against a plane (4) to be measured; The sliding sleeve (2) is sleeved on the standard rod (1) and is capable of sliding along the axial direction of the standard rod (1); The detection component (3) is arranged on the sliding sleeve (2) and is capable of detecting the distance between the sliding sleeve and the plane to be measured (4).

2. A construction engineering facade flatness detection device according to claim 1, characterized in that: The detection assembly (3) comprises an abutment member (31) and a detection unit (32); one side of the abutment member (31) is slidably connected to the sliding sleeve (2) along the radial direction of the standard rod (1); and the other end of the abutment member (31) is capable of abutting against a detection plane (4); The detection unit (32) is capable of detecting a sliding distance of the abutment member (31) in the radial direction of the standard rod (1).

3. A construction engineering facade flatness detection device according to claim 2, characterized in that: The detection assembly (3) further comprises a compression spring (33); a sliding groove is provided on the sliding sleeve (2) along the radial direction of the standard rod (1); a sliding block (311) is provided on the abutment member (31); the sliding block (311) is inserted into the sliding groove and can slide along the sliding groove; the compression spring (33) is arranged between a side of the sliding block (311) facing away from the abutment column (11) and an inner wall of the sliding groove.

4. The device for detecting flatness of a building facade according to claim 2, characterized in that: The detection unit (32) comprises an indicating bolt (321) and a scale (322); an adjusting screw hole is provided on the abutment member (31) along the radial direction of the standard rod (1); the screw end of the indicating bolt (321) is screwed to the adjusting screw hole; and a pointer is provided at the screw head end of the indicating bolt (321); The scale (322) is arranged on the sliding sleeve (2) along the radial direction of the standard rod (1), and a scale is arranged on the side of the scale (322) facing the pointer.

5. The device for detecting flatness of the facade of a building project according to claim 3, characterized in that: The abutment member (31) comprises a slide (312), a mounting beam (313), an abutment head (314) and a suction cup (315); the slide (311) is arranged on one end of the slide (312); the end of the mounting beam (313) is rotatably connected to the other end of the slide (312); the abutment head (314) is arranged on one side of the mounting beam (313) and can abut against the plane (4) to be measured; and the suction cup (315) is arranged on the other side of the mounting beam (313) and can adsorb the plane (4) to be measured.

6. A construction engineering facade flatness detection device according to claim 5, characterized in that: The mounting beam (313) is provided with a T-shaped slot, one end of the T-shaped slot extends to one end of the mounting beam (313) and forms an opening, the abutment joint (314) is provided with a T-shaped block adapted to the T-shaped slot, and the abutment joint (314) can be inserted into the T-shaped slot via the T-shaped block to be detachably connected to the mounting beam (313).

7. The device for detecting flatness of an exterior facade of a building project according to claim 5, characterized in that: The abutment member (31) further comprises a lever (316), one end of which is provided with a rotating shaft and is rotatably connected to the slide frame (312) via the rotating shaft; when the abutment column (11) abuts against the plane to be measured (4) and the abutment head (314) or the suction cup (315) is away from the plane to be measured (4), the other end of the lever (316) can abut against a side of the slide sleeve (2) facing away from the abutment column (11).

8. The device for detecting flatness of exterior facade of a building project according to claim 1, characterized in that: It also comprises a driving assembly (5), wherein the driving assembly (5) is in driving connection with the sliding sleeve (2) and is capable of driving the sliding sleeve (2) to move along the axial direction of the standard rod (1).

9. A construction engineering facade flatness detection device according to claim 8, characterized in that: The driving assembly (5) comprises a driving motor (51) and a driving gear (52); a driving groove (12) is provided on a rod body on one side of the standard rod (1) away from the abutting column (11) along the axial direction of the standard rod (1); a rack is provided on a groove wall on one side of the driving groove (12) along the length direction of the driving groove (12); the driving motor (51) is arranged on the sliding sleeve (2); and an output shaft of the driving motor (51) extends into the driving groove (12) and is connected to the driving gear (52); the driving gear (52) is meshed with the rack.

10. The device for detecting flatness of exterior facade of a building project according to claim 1, characterized in that: A buffer member (111) is provided on one end of the abutment column (11) away from the standard rod (1).

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