CN113503803B

CN113503803B - Building engineering quality flatness detection device

Info

Publication number: CN113503803B
Application number: CN202110983499.2A
Authority: CN
Inventors: 章樑; 左万华; 刘志辉; 肖建林; 邓军
Original assignee: Zhejiang Shengye Engineering Consulting Co ltd
Current assignee: Zhejiang Shengye Engineering Consulting Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2023-03-21
Anticipated expiration: 2041-08-25
Also published as: CN113503803A

Abstract

The utility model relates to a building engineering quality flatness detection device, it includes frame, slide setting crossbeam in the frame, connect the mounting bracket on the crossbeam and slide at least a set of determine module of setting on the mounting bracket, determine module includes sliding connection base on the mounting bracket, rotates the distance sensor that sets up on the base and is used for locking or unblock distance sensor's stopper, be provided with the drive assembly who is used for driving crossbeam horizontal migration in the frame, be provided with the subassembly that slides that is used for driving base horizontal migration on the mounting bracket, the direction of motion perpendicular to crossbeam of base's direction of motion. This application has the effect that detection efficiency is high.

Description

Building engineering quality flatness detection device

Technical Field

The application relates to the technical field of constructional engineering, in particular to a constructional engineering quality flatness detection device.

Background

The building engineering refers to engineering entities formed by newly building, rebuilding or expanding various house buildings and their affiliated facilities, and includes plants, theaters, hotels, shops, schools, hospitals, houses, and the like. After the construction of a house building is finished, all quality indexes of the house building are usually required to be detected, wherein the detection comprises the detection of the flatness of the inner wall body of the house building.

The traditional flatness detection generally adopts a feeler gauge measuring method, namely, a guiding rule is firstly attached to a wall surface, a wedge-shaped feeler gauge is inserted into a gap between the guiding rule and the wall surface, and then a numerical value is read on the wedge-shaped feeler gauge and manually recorded on a manual. The above measurement method has the defect of low detection efficiency, and needs to be improved.

Disclosure of Invention

In order to improve detection efficiency, the application provides a building engineering quality flatness detection device.

The application provides a building engineering quality flatness detection device includes following technical scheme:

the utility model provides a building engineering quality flatness detection device, includes the frame, slides and sets up crossbeam in the frame, connects the mounting bracket on the crossbeam and slide at least a set of determine module of setting on the mounting bracket, determine module includes base, the rotation of sliding connection on the mounting bracket and sets up the distance sensor on the base and be used for locking or unblock distance sensor's stopper, be provided with the drive assembly who is used for driving crossbeam horizontal migration in the frame, be provided with the subassembly that slides that is used for driving base horizontal migration on the mounting bracket, the direction of motion perpendicular to crossbeam of base's direction of motion.

By adopting the technical scheme, when the flatness of the building wall is detected, the transmitting port of the distance sensor is adjusted to the position aligned with the wall to be detected, and then the distance sensor is locked through the stop piece, so that the stability of the distance sensor is improved. Then, the base is driven to move horizontally by the sliding assembly, so that the horizontal position of the distance sensor can be changed, and the distance sensor can emit detection light rays at different positions. The driving assembly can drive the cross beam to move horizontally, so that the detection area of the distance sensor is further enlarged, and the detection precision is improved. The staff accessible contrast distance sensor's detection data to the flatness of calculating the wall body, above-mentioned detection mode compares in workman's hand move scale measuring mode operation more convenient, detection efficiency is high, it is little to calculate the error.

Optionally, the driving assemblies are provided with two groups and connected to two ends of the beam respectively, each driving assembly comprises a driving motor arranged on the frame and a driving screw rod connected with an output shaft of the driving motor, the driving screw rods are in threaded connection with the beam, and the beam is connected with a limiting part used for blocking the beam from rotating along with the driving screw rods.

Through adopting above-mentioned technical scheme, driving motor during operation, the drive lead screw can rotate along with driving motor's output shaft, and then the drive crossbeam slides along the length direction level of drive lead screw to realize crossbeam, mounting bracket and determine module's position control. For realizing the synchronous motion at crossbeam both ends, can set up the driving motor of two sets of drive assembly into driving its function through same control switch during the installation, during the operation staff only need control be used for opening and close driving motor's control switch can, easy and simple to handle, work efficiency is high.

Optionally, the frame includes four stands that are parallel to each other, two telescopic links that are parallel to each other and two locating levers that are parallel to each other, the locating lever perpendicular to telescopic link sets up, and each telescopic link and locating lever set up respectively between two adjacent stands of difference, and the bottom of every stand all rotates and is provided with the gyro wheel.

Through adopting above-mentioned technical scheme, two arbitrary adjacent stands all connect through telescopic link or locating lever, and the wholeness of frame is good, stability is high. The gyro wheel sets up in the bottom of stand, can effectively reduce the frictional resistance of frame when ground slides, improve the smooth and easy degree that the frame removed for the staff pushes away the frame to wait to detect when the position light laborsaving more.

Optionally, the bottom surface of the stand column is provided with a spiral groove extending in the vertical direction, an extending column is connected to the spiral groove through threads, and the roller is arranged on the extending column.

Through adopting above-mentioned technical scheme, the top threaded connection who extends the post in the helicla flute, staff's accessible changes the length that extends post screw in helicla flute to change the interval of stand to ground, thereby make crossbeam and determine module can be adjusted to not co-altitude, in order to enlarge distance sensor's the measuring range in vertical direction, further improved distance sensor's detection effect.

Optionally, the lateral wall of extension post has been seted up and has been stepped down the groove, be equipped with the scale bar in the groove of stepping down, be equipped with the scale mark that distributes along extension post length direction on the scale bar.

Through adopting above-mentioned technical scheme, the scale mark plays the effect of instructing, makes things convenient for the staff to judge whether the interval of four stands adjustment to and ground equals. The abdicating groove plays a role in accommodating the scale strips, so that the scale strips are not easy to wear due to being exposed out of the extension column, and the flatness and the measurement precision of the scale strips can be improved.

Optionally, the mounting bracket includes a connecting rod disposed below the cross beam and a mounting plate disposed below the connecting rod, and the base is slidably disposed on the mounting plate; the connecting rod comprises a connecting part fixed on the lower side of the cross beam and an adjusting part arranged on the connecting part in a sliding mode along the vertical direction, and the connecting part is detachably connected with a fastening piece used for locking the adjusting part.

Through adopting above-mentioned technical scheme, the regulation portion can be vertical slip relative to connecting portion for the whole length of connecting rod and the high emergence of mounting panel change, thereby realize distance sensor's altitude mixture control, further enlarged distance sensor in the detection scope of vertical direction, detection effect is good.

Optionally, the telescopic rod includes a first movable portion and first fixed portions respectively located at two sides of the first movable portion, the first fixed portion is fixedly disposed at the top end of the upright column adjacent to the first fixed portion, and two ends of the first movable portion are respectively horizontally slidably disposed on the first fixed portion; the crossbeam includes second movable part and is located the second fixed part of second movable part both sides respectively, the both ends of second movable part horizontal slip respectively set up on the second fixed part, can dismantle between first fixed part and rather than the adjacent second fixed part and be provided with the gangbar.

By adopting the technical scheme, when the telescopic rod is assembled, the length of the telescopic rod can be changed by adjusting the length of the first movable part extending into the first fixed part; in a similar way, when the crossbeam is assembled, the length that the second movable part stretches into the second fixed part is adjusted to the accessible to change the length of crossbeam, thereby make detection device can adapt to the wall body that detects multiple size, the practicality is strong. The gangbar plays the effect of connecting first fixed part and rather than adjacent second fixed part for the length of crossbeam and telescopic link can realize the synchro-control, adjusts efficiently, the stability of frame is good.

Optionally, the first fixing portion is rotatably provided with a driving gear, a linkage rack engaged with the driving gear is fixed on the side wall of the first movable portion, and the length direction of the linkage rack is parallel to the length direction of the first movable portion.

By adopting the technical scheme, the length of the telescopic rod is adjusted through the meshing transmission of the driving gear and the linkage rack, and the telescopic rod has the effects of simple structure and convenience in operation; after the telescopic rod is adjusted in place, the driving gear stops rotating, the driving gear is meshed with the linkage rack, the effect of blocking relative movement of the first movable portion and the first fixed portion can be achieved, and the stability of the telescopic rod is improved.

Optionally, the stop member includes a stop disk fixed above the base, a turntable located right above the stop disk, a fixture block fixed on the lower side of the turntable, and a stop bolt penetrating through the stop disk and the turntable, the distance sensor is arranged on the turntable, a plurality of clamping grooves for embedding the fixture block are circumferentially distributed on the upper end surface of the stop disk, and a stop screw hole in threaded connection with the stop bolt is arranged on the base.

Through adopting above-mentioned technical scheme, when stop bolt and stop screw separated, the carousel can rotate relative to the locking dish for the orientation of emission mouth is changeable among the distance sensor, in order to adapt to the wall body that detects different directions. After the distance sensor is adjusted in place, the clamping block is embedded into the clamping groove close to the clamping block, the stop bolt is in threaded connection with the stop screw hole, and the rotary disc can be tightly abutted to the stop disc, so that the distance sensor is limited to continue rotating, and the stability and the detection accuracy of the distance sensor are improved.

Optionally, a return spring for driving the turntable to be separated from the stop disk is arranged on the base, and the return spring is sleeved outside the stop bolt.

Through adopting above-mentioned technical scheme, after the locking bolt back of screwing out the locking screw, reset spring can drive the carousel to the one side removal of keeping away from the locking dish for form certain clearance between carousel and the locking dish, make things convenient for staff to separate fixture block and draw-in groove, so that adjust distance sensor's position once more, improved distance sensor's position control efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

when the flatness of the building wall is detected, the distance between the building wall and the distance sensor can be measured by using the distance sensor, and the distance sensor is driven to horizontally move by the driving assembly and the sliding assembly, so that the distance sensor can play a detection role at different positions, and a worker can measure and calculate the flatness of the wall by comparing detection values at different positions after detection, and the device is convenient to operate and high in detection efficiency;

the roller can effectively reduce the friction resistance when the rack moves and improve the moving smoothness; the extension column is connected with the upright column through threads, and a worker can change the height of the distance sensor by changing the screwing length of the extension column into the upright column during assembly, so that the detection range of the distance sensor in the vertical direction is expanded;

when the stop bolt is screwed out of the stop screw hole, the rotary disc can rotate relative to the stop disc, so that the orientation of the emission port of the distance sensor is changed, the wall bodies in different directions can be detected, and the practicability is high.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

FIG. 2 is a schematic view highlighting a partial explosion of a helical groove in an embodiment of the present application.

Fig. 3 is an exploded view highlighting the first active slot and the second active slot in an embodiment of the present application.

FIG. 4 is a partial schematic view highlighting the arcuate slot in an embodiment of the present application.

FIG. 5 is an exploded view highlighting the attachment slot in the embodiment of the present application.

FIG. 6 is a schematic structural diagram of a detection assembly and a sliding block in an embodiment of the present application.

FIG. 7 is a schematic cross-sectional view of a detection assembly in an embodiment of the present application.

Description of the reference numerals:

1. a frame; 11. a column; 111. a helical groove; 112. extending the column; 113. a roller; 114. a yielding groove; 115. a scale bar; 12. a telescopic rod; 121. a first movable portion; 122. a first fixed part; 123. a first movable slot; 124. a driving gear; 125. a rotating shaft; 126. a handle; 127. a linkage rack; 128. a limit bolt; 13. positioning a rod; 131. positioning a groove; 132. an arc-shaped slot; 2. a cross beam; 21. a second movable portion; 22. a second fixed part; 221. a second movable slot; 222. a limiting block; 223. rolling a ball; 3. a mounting frame; 31. a connecting rod; 311. a connecting portion; 312. an adjustment section; 313. connecting grooves; 314. a fastener; 32. mounting a plate; 321. a dovetail groove; 4. a detection component; 41. a base; 411. yan Weikuai; 412. a stop screw hole; 42. a distance sensor; 43. a stopper; 431. a stopper disk; 432. a turntable; 433. a clamping block; 434. a stop bolt; 435. a card slot; 44. a return spring; 5. a linkage rod; 6. a drive assembly; 61. a drive motor; 62. driving the screw rod; 7. a slipping component; 71. a double-shaft motor; 72. a sliding screw rod; 73. and (4) a sliding block.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses building engineering quality flatness detection device. Referring to fig. 1, the building engineering quality flatness detecting apparatus includes a frame 1, a cross beam 2 slidably disposed on the frame 1, a mounting bracket 3 connected to the cross beam 2, and at least one set of detecting components 4 slidably disposed on the mounting bracket 3, where the detecting components 4 in this embodiment are provided in two sets, and may be provided in other numbers in other embodiments.

Referring to fig. 1, the frame 1 includes four mutually parallel upright posts 11, two mutually parallel telescopic rods 12 and two mutually parallel positioning rods 13, the upright posts 11 are vertical, the telescopic rods 12 and the positioning rods 13 are all horizontal, and the positioning rods 13 are perpendicular to the telescopic rods 12. Each telescopic link 12 and locating lever 13 set up respectively between two adjacent stands 11 of difference for frame 1 encloses into the frame, has the advantage that the wholeness is good, stability is high.

Referring to fig. 2, the bottom surface of each upright post 11 is provided with a spiral groove 111 extending along the vertical direction, the vertical direction is the length direction of the upright post 11, the spiral groove 111 is connected with an extending column 112 through threads, and the bottom of the extending column 112 is provided with a roller 113 in a rotating manner, so that the friction resistance of the frame 1 during movement along the ground is reduced, and the moving smoothness is improved.

Referring to fig. 2, in order to facilitate the staff to adjust each upright post 11 to be equal to the distance from the ground, in this embodiment, a yielding groove 114 is formed on the circumferential side wall of each extending post 112, a scale bar 115 is fixedly disposed in the yielding groove 114, and scale lines distributed along the length direction of the extending post 112 are disposed on the scale bar 115. The scale bar 115 in this embodiment may be fixed on the extension column 112 by means of glue bonding, and in other embodiments, other manners may also be adopted, and any manner that can achieve relative fixation between the two may be adopted.

Referring to fig. 3, the telescopic rod 12 includes a first movable portion 121 and first fixing portions 122 respectively located at two sides of the first movable portion 121, and the first fixing portions 122 are respectively fixedly disposed at top ends of the upright posts 11 adjacent to the first fixing portions 122. First fixed part 122 is close to the terminal surface of first movable part 121 and has seted up the first movable groove 123 that the level extends, and the both ends of first movable part 121 slide respectively and set up in first movable groove 123 for first movable part 121 can be relative first fixed part 122 horizontal migration, thereby change the overall length of telescopic link 12, in order to adapt to different detection ring border, conveniently push detection device indoor by the door frame of different widths.

Referring to fig. 3, the first fixing portion 122 is rotatably disposed with a driving gear 124 located at an opening end of the first movable slot 123, and the driving gear 124 is fixedly connected with a rotating shaft 125 penetrating through the first fixing portion 122. A handle 126 is fixed on the side of the rotating shaft 125 far away from the driving gear 124, and the worker can drive the rotating shaft 125 and the driving gear 124 to rotate through the handle 126. A linkage rack 127 is fixed at one side of the first movable portion 121, the linkage rack 127 and the driving gears 124 of the two first fixed portions 122 are engaged with each other, and the length direction of the linkage rack 127 is parallel to the length direction of the first movable portion 121. When the driving gear 124 rotates, the linkage rack 127 and the first movable portion 121 horizontally move along the first movable groove 123, thereby achieving the length adjustment of the telescopic rod 12.

Referring to fig. 3, in order to prevent the first movable portion 121 from moving relative to the first fixed portion 122 after being adjusted in place, the handle 126 in this embodiment is connected to the limiting bolt 128 through a thread, and the limiting bolt 128 can prevent the handle 126 from rotating when abutting against the first fixed portion 122, so that the driving gear 124 is not easy to drive the linkage rack 127 to move, and the stability of the telescopic rod 12 is improved.

Referring to fig. 3, the cross beam 2 includes a second movable portion 21 and second fixing portions 22 respectively located at two sides of the second movable portion 21, and the second fixing portions 22 are slidably disposed above the positioning rods 13 adjacent thereto. The end surface of the second fixed part 22 close to the second movable part 21 is provided with a second movable groove 221 extending horizontally, and two ends of the second movable part 21 are respectively arranged in the second movable groove 221 in a sliding manner, so that the second movable part 21 can move relative to the second fixed part 22, thereby changing the length of the cross beam 2.

Referring to fig. 3, in order to realize the synchronous adjustment of the cross beam 2 and the two telescopic rods 12 and improve the adjustment efficiency, a linkage rod 5 is detachably arranged between the second fixing portion 22 and the first fixing portion 122 close to the second fixing portion, and the end of the linkage rod 5 is connected to the first fixing portion 122 or the second fixing portion 22 through a plurality of bolts.

Referring to fig. 1 and 4, a driving assembly 6 for driving the cross beam 2 to move horizontally is disposed on the frame 1, and two sets of driving assemblies 6 are disposed and respectively connected to different second fixing portions 22. Each group of driving assemblies 6 comprises a driving motor 61 installed on one of the upright posts 11 and a driving screw 62 fixedly connected with an output shaft of the driving motor 61, the length direction of the driving screw 62 is parallel to the length direction of the positioning rod 13, and each driving screw 62 is in threaded connection with the second fixing part 22 close to the driving screw 62. The driving motors 61 in the two groups of driving assemblies 6 are driven by the same control switch, and the driving motors 61 in the embodiment are servo motors with output shafts capable of rotating forward and backward, so that the two driving screw rods 62 can synchronously rotate forward and backward.

Referring to fig. 4, the cross beam 2 is connected with two sets of limiting members, the two sets of limiting members are respectively disposed on the two second fixing portions 22, each set of limiting members includes a limiting member 222 fixedly disposed on the lower side of the second fixing portion 22, the upper end surface of the positioning rod 13 is provided with a positioning groove 131 extending along the length direction, and the limiting member 222 is slidably disposed in the positioning groove 131. When the driving motor 61 works, the driving screw 62 rotates synchronously with the output shaft of the driving motor 61, and further the limiting block 222 and the second fixing portion 22 slide along the length direction of the positioning rod 13, so that the position adjustment of the detection assembly 4 is realized.

Referring to fig. 4 and 5, in order to improve the smoothness of the moving of the beam 2, rolling balls 223 are respectively rotatably disposed on two opposite side walls of the limiting block 222, arc-shaped grooves 132 for the rolling balls 223 to extend into are respectively disposed on two opposite side wall of the positioning groove 131, the extending direction of the arc-shaped grooves 132 is parallel to the extending direction of the positioning groove 131, and the end portions of the rolling balls 223 are respectively located in the arc-shaped grooves 132 close to the end portions.

Referring to fig. 5, the mounting bracket 3 includes a link 31 disposed below the second movable portion 21 and a mounting plate 32 disposed below the link 31, the link 31 includes a connection portion 311 fixed on the lower side of the cross beam 2 and an adjustment portion 312 slidably disposed on the connection portion 311, a lower end surface of the connection portion 311 is opened with a connection groove 313 extending in a vertical direction, and a top end of the adjustment portion 312 is slidably disposed in the connection groove 313, so that the adjustment portion 312 can vertically move relative to the connection portion 311, thereby changing the length of the link 31 and the height of the detection assembly 4. In order to fix the adjusting portion 312 and the connecting portion 311 relatively, a fastening member 314 for locking the adjusting portion 312 is disposed on the connecting portion 311, and the fastening member 314 includes a fastening bolt screwed on the connecting portion 311. After the adjustment is completed, the worker can use the rod of the fastening bolt to abut against the adjustment portion 312, so as to improve the stability of the connecting rod 31.

Referring to fig. 3 and 6, the detecting assembly 4 includes a base 41 slidably disposed on the mounting plate 32, a distance sensor 42 rotatably disposed on an upper side of the base 41, and a stopper 43 for locking or unlocking the distance sensor 42, and the mounting plate 32 is provided with a sliding assembly 7 for driving the base 41 to horizontally move. Dovetail grooves 321 extending along the length direction of the mounting plate 32 are formed in the upper end face of the mounting plate 32, the extending direction of each dovetail groove 321 is perpendicular to the extending direction of each positioning groove 131, dovetail blocks 411 arranged in the dovetail grooves 321 in a sliding mode are fixed to the lower side of the base 41, the dovetail blocks 411 and the dovetail grooves 321 are matched to play a guiding role when the base 41 slides, and stability of the base 41 in moving is improved.

Referring to fig. 3, the sliding assembly 7 includes a dual-shaft motor 71, sliding screw rods 72 respectively fixedly connected to two output shafts of the dual-shaft motor 71, and sliding blocks 73 respectively screwed to different sliding screw rods 72, and the two sliding blocks 73 are respectively fixed to the side walls of different bases 41. When the double-shaft motor 71 works, the sliding screw 72 rotates along with the output shaft of the double-shaft motor 71, so that the sliding block 73 and the base 41 are driven to move horizontally, the position of the distance sensor 42 is adjusted, and the detection range of the distance sensor 42 in the horizontal direction is expanded.

Referring to fig. 5 and 6, the stopper 43 includes a stopper disc 431 fixed directly above the base 41, a dial 432 positioned directly above the stopper disc 431, a latch 433 fixed to a lower end surface of the dial 432, and a stopper bolt 434 inserted through the stopper disc 431 and the dial 432, and the distance sensor 42 is provided on an upper side of the dial 432. A plurality of clamping grooves 435 are circumferentially distributed on the upper end surface of the stop disk 431 along the central axis of the stop disk 431, and clamping blocks 433 can be embedded into the clamping grooves 435 to limit the rotation of the rotary disk 432 relative to the stop disk 431, so that the orientation of the emitting opening of the distance sensor 42 is fixed.

Referring to fig. 6 and 7, in order to improve the stability of the turntable 432, a stop screw hole 412 in threaded engagement with the stop bolt 434 is formed in the upper end surface of the base 41, and when the stop bolt 434 is in threaded connection with the stop screw hole 412, the head of the stop bolt 434 is pressed against the turntable 432, so that the turntable 432 is restricted from moving upwards. In order to improve the angle adjustment efficiency of the distance sensor 42, a return spring 44 is fixedly disposed on the upper side of the base 41, and the return spring 44 is sleeved on the outer side of the stop bolt 434 and abuts against the lower side of the rotary table 432. When the stop bolt 434 is screwed out of the stop screw hole 412, the rotary disc 432 moves upward under the elastic force of the return spring 44, so that the clamping block 433 is separated from the clamping groove 435, and a worker can conveniently rotate the rotary disc 432 to adjust the orientation of the emitting opening of the distance sensor 42 again.

The implementation principle of the device for detecting the quality and the flatness of the constructional engineering is as follows: when the flatness of the building wall is detected, the distance between the building wall and the wall can be measured by the distance sensor 42, the base 41 can horizontally move along the length direction of the mounting plate 32 through the sliding assembly 7, and the cross beam 2 can horizontally move along the length direction of the positioning rod 13 through the driving assembly 6, so that the horizontal position of the distance sensor 42 is changed, and the distance sensor 42 can detect in different directions. After the detection is finished, the worker can measure and calculate the flatness of the wall body by comparing the detection values of the distance sensor 42 at different positions, and the method has the effects of simplicity and convenience in operation and high detection efficiency and precision.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a building engineering quality flatness detection device which characterized in that: the device comprises a rack (1), a cross beam (2) arranged on the rack (1) in a sliding manner, an installation rack (3) connected to the cross beam (2) and at least one group of detection assemblies (4) arranged on the installation rack (3) in a sliding manner, wherein each detection assembly (4) comprises a base (41) connected to the installation rack (3) in a sliding manner, a distance sensor (42) rotatably arranged on the base (41) and a stop piece (43) used for locking or unlocking the distance sensor (42), a driving assembly (6) used for driving the cross beam (2) to horizontally move is arranged on the rack (1), a sliding assembly (7) used for driving the base (41) to horizontally move is arranged on the installation rack (3), the moving direction of the base (41) is perpendicular to that of the cross beam (2), the stop piece (43) comprises a stop disc (431) fixed above the base (41), a rotary disc (432) positioned right above the stop disc (431), a fixture block (433) fixed on the lower side of the rotary disc (432) and a stop bolt (434) penetrating through the stop disc (431) and the rotary disc (432), the fixture block (432), the distance sensor (42) is arranged on the rotary disc (431), and a plurality of clamp grooves (435) are distributed on the end faces of the stop disc (431) along the circumferential direction of the peripheral surfaces of the plurality of the stop disc (431), and a stop screw hole (412) in threaded connection with the stop bolt (434) is formed in the base (41).

2. The construction engineering quality flatness detecting apparatus according to claim 1, wherein: drive assembly (6) are provided with two sets ofly and connect respectively at the both ends of crossbeam (2), and every drive assembly (6) of group all includes driving motor (61) of setting in frame (1) and drive lead screw (62) that link to each other with driving motor (61) output shaft, drive lead screw (62) and crossbeam (2) threaded connection, be connected with on crossbeam (2) and be used for hindering it along with drive lead screw (62) pivoted locating part.

3. The construction engineering quality flatness detecting apparatus according to claim 1, wherein: the frame (1) comprises four mutually parallel upright posts (11), two mutually parallel telescopic rods (12) and two mutually parallel positioning rods (13), wherein the positioning rods (13) are perpendicular to the telescopic rods (12), each telescopic rod (12) and each positioning rod (13) are respectively arranged between two adjacent different upright posts (11), and the bottom of each upright post (11) is rotatably provided with a roller (113).

4. The construction engineering quality flatness detection apparatus according to claim 3, wherein: spiral groove (111) that extend along vertical direction are seted up to the bottom surface of stand (11), threaded connection has extension post (112) in spiral groove (111), gyro wheel (113) set up on extension post (112).

5. The construction engineering quality flatness detecting apparatus according to claim 4, wherein: offer on the lateral wall of extension post (112) and abdicate groove (114), it is equipped with scale bar (115) in groove (114) to abdicate, be equipped with on scale bar (115) along the scale mark that extends post (112) length direction and distribute.

6. The construction engineering quality flatness detection apparatus according to claim 3, wherein: the mounting rack (3) comprises a connecting rod (31) arranged below the cross beam (2) and a mounting plate (32) arranged below the connecting rod (31), and the base (41) is arranged on the mounting plate (32) in a sliding manner; the connecting rod (31) comprises a connecting part (311) fixed on the lower side of the cross beam (2) and an adjusting part (312) arranged on the connecting part (311) in a sliding mode along the vertical direction, and a fastening piece (314) used for locking the adjusting part (312) is detachably connected to the connecting part (311).

7. The construction engineering quality flatness detecting apparatus according to claim 6, wherein: the telescopic rod (12) comprises a first movable part (121) and first fixed parts (122) respectively positioned at two sides of the first movable part (121), the first fixed parts (122) are fixedly arranged at the top ends of the upright posts (11) adjacent to the first fixed parts, and two ends of the first movable part (121) are respectively horizontally arranged on the first fixed parts (122) in a sliding manner; the crossbeam (2) includes second movable part (21) and second fixed part (22) that are located second movable part (21) both sides respectively, the both ends of second movable part (21) horizontal slip respectively set up on second fixed part (22), can dismantle between first fixed part (122) and rather than adjacent second fixed part (22) and be provided with gangbar (5).

8. The construction engineering quality flatness detecting apparatus according to claim 7, wherein: the first fixing portion (122) is rotatably provided with a driving gear (124), a linkage rack (127) meshed with the driving gear (124) is fixed on the side wall of the first movable portion (121), and the length direction of the linkage rack (127) is parallel to the length direction of the first movable portion (121).

9. The construction engineering quality flatness detecting apparatus according to claim 1, wherein: the base (41) is provided with a return spring (44) used for driving the turntable (432) to be separated from the stop disk (431), and the return spring (44) is sleeved on the outer side of the stop bolt (434).