CN114705104A

CN114705104A - Building engineering technical service detection device

Info

Publication number: CN114705104A
Application number: CN202210397135.0A
Authority: CN
Inventors: 郭兰兰
Original assignee: Jiangxi Guteyou New Material Co ltd
Current assignee: Jiangxi Guteyou New Material Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-07-05

Abstract

The invention relates to a detection device, in particular to a construction engineering technical service detection device. The building engineering technical service detection device has the advantages of being multifunctional, integrated and convenient for people to use. A detection device for building engineering technical service comprises an electric slide rail, a sucker, a pull rope, a plumb bob and the like; the left part and the right part of the electric sliding rail are both fixedly provided with suckers, a slide block of the electric sliding rail is connected with a pull rope, and the tail end of the pull rope is connected with a plumb bob. The sucking disc adsorbs the back on the wall, the staff draws the straightness that hangs down that detects the wall body through plumb bob and the stay cord of observing perpendicular suspension, and when the plumb bob moved right, magnet moved right thereupon and has drawn fine sand, observe the fine sand in the feed box and judge whether there is the condition of unevenness in the wall, two-sided scale then can measure length, this device uses the completion back, the output shaft of motor rotates and drives the screw spindle and rotate, thereby make electronic slide rail downstream, thereby make this device focus descend, make things convenient for the staff to remove this device.

Description

Building engineering technical service detection device

Technical Field

The invention relates to a detection device, in particular to a construction engineering technical service detection device.

Background

The detection of the construction engineering technical service refers to the activity of testing the quality of materials, equipment, engineering entities and the like of the construction engineering to determine the quality characteristics of the materials, the equipment and the engineering entities. In the physical quality inspection of construction works, various inspection or measurement tools are used.

Patent publication No. is CN 213455460U's patent, discloses a building engineering technical service detection device, and this detection device includes the base, the bottom symmetry fixedly connected with pulley of base, the top fixedly connected with spring of base, the seat is adjusted to the top fixedly connected with of spring, the top fixedly connected with who adjusts the seat risees the board, rise one side fixedly connected with fixed column of board, the bottom fixedly connected with measuring disc of fixed column. This building engineering technical service detection device sets up through the cooperation of measuring disc, scale and fixed scale, observes the angle of detecting rope and fixed scale and takes notes the inclination of building, sets up through the cooperation of stopper, thread groove, screw thread post, spacing groove and first skewed tooth, makes the motor drive the rotation of second skewed tooth to make the height that thread groove and screw thread post rotation regulation rose the board, make detection device can measure the building of high difference. However, the detection device can only detect the level or the verticality of the wall, and when other data of the wall needs to be checked, workers need to use other detection tools, so that inconvenience is brought to detection or measurement.

Therefore, the construction engineering technical service detection device which is multifunctional and integrated and is more convenient for people to use is provided.

Disclosure of Invention

In order to overcome the defect that the existing detection device can only carry out horizontal detection on a wall body and brings inconvenience to detection or measurement work, the technical problem is as follows: the building engineering technical service detection device is multifunctional, integrated and convenient for people to use.

The utility model provides a building engineering technical service detection device, including electronic slide rail, the sucking disc, the stay cord, the plummet, moving mechanism, elevating system and detection mechanism, the sucking disc is all fixed to two parts about electronic slide rail, be connected with the stay cord on the slider of electronic slide rail, stay cord trailing end connection has the plummet, be equipped with moving mechanism on the electronic slide rail, moving mechanism is used for driving electronic slide rail and removes, be equipped with elevating system between moving mechanism and the electronic slide rail, elevating system is used for driving electronic slide rail and reciprocates, the last detection mechanism that is equipped with of elevating system, detection mechanism is used for detecting the roughness of wall.

Furthermore, the moving mechanism comprises a supporting plate, universal wheels, directional wheels, a guide rod and a slide rod, the slide rod is arranged on the left side and the right side of the electric slide rail in a sliding mode, the guide rod is arranged on the slide rod on the right side in a sliding mode, the supporting plate is fixedly arranged at the bottom of the guide rod, the universal wheels are fixedly arranged at the left side and the right side of the front portion of the bottom of the supporting plate in a bilateral symmetry mode, and the directional wheels are fixedly arranged at the left side and the right side of the front portion of the bottom of the supporting plate in a bilateral symmetry mode.

Further, elevating system is including the motor, the screw shaft, the axis of rotation, two-sided scale, reset spring and installation piece, the fixed motor that is equipped with in backup pad left part, there is the screw shaft through the coupling joint on the output shaft of motor, left slide bar passes through threaded connection with the screw shaft, screw shaft lower part rotary type is equipped with the installation piece, the fixed same installation piece that is equipped with in guide bar lower part, control the rotary type and be equipped with the axis of rotation between two installation pieces, the fixed two-sided scale that is equipped with in the axis of rotation, all be connected with reset spring between slide bar and the electronic slide rail.

Further, detection mechanism is including cartridge, transparent plate and magnet, the fixed cartridge that is equipped with on the two-sided scale, and the cartridge is equipped with the fine sand in, and the fixed transparent plate that is equipped with in cartridge top, both sides all are slidingtype about the transparent plate are equipped with magnet, two magnet inter attraction, and the magnet and the plummet of upper portion adsorb together.

Further, still including being used for the extension to measure length's telescopic machanism, telescopic machanism is including pointer board, connecting rod and extrusion spring, and the gliding style is equipped with the pointer board in the axis of rotation, and the fixed connecting rod that is equipped with on the pointer board, the fixed same pointer board that is equipped with in connecting rod left side, left pointer board not with axis of rotation sliding connection, be connected with the extrusion spring between pointer board on right side and the axis of rotation.

Further, still including being used for trembling flat shake mechanism with the fine sand in the feed box, shake mechanism is including the push rod, compression spring, the ripple pole, the fixed block, poker rod and torque spring, the backup pad left part slidingtype is equipped with the push rod, the screw spindle rotates and the contact of push rod, be connected with compression spring between push rod and the backup pad, the fixed ripple pole that is equipped with in push rod middle part rigidity, the left part rigidity of two-sided scale bottom is equipped with the fixed block, the rotary type is equipped with poker rod in the fixed block, poker rod front end and ripple pole contact, poker rod rear end and two-sided scale bottom contact, be connected with torque spring between poker rod and the fixed block.

Further, still including the measuring mechanism who is used for measuring the corner, measuring mechanism is including connecting block, turning block, pointer pole and arc graduation apparatus, and guide bar lower part rigidity is equipped with the connecting block, and the connecting block right part rotary type is equipped with the turning block, and the fixed pointer pole that is equipped with in turning block rear portion, pointer pole and connecting block rotary type are connected, and the fixed arc graduation apparatus that is equipped with in connecting block left part rigidity, pointer pole front end and arc graduation apparatus contact.

Furthermore, the electric sliding rail further comprises a handle, and the handle is fixedly arranged at the middle part of the front side of the electric sliding rail.

The invention has the following advantages: 1. the sucking disc adsorbs the back on the wall, the staff draws the straightness that hangs perpendicularly through plumb bob and the stay cord of observing, and the plumb bob moves when moving, magnet moves right thereupon and draws fine sand, judge the wall through the fine sand in the observation box and whether have the condition of unevenness, two-sided scale then can measure length, this device uses the completion back, the output shaft of motor rotates and drives the screw spindle and rotate, thereby make electronic slide rail downstream, thereby make this device focus descend, make things convenient for the staff to remove this device.

2. The pointer board on right side slides to left for the edge of measurand is surveyed to left pointer board point, and the staff observes the scale that the pointer board on right side is located the position and corresponds two-sided scale, through the total length with two-sided scale plus the numerical value that right side pointer board indicates, alright obtain the length of surveying the object, thereby the measuring length of extension two-sided scale.

3. Corrugated rod moves right and makes the poker rod constantly carry out the luffing motion to strike the fixed block, and then shake the fine sand in the feed box flat, conveniently carry out next measurement.

4. Staff control connecting block and turning block laminate with two wall bodies respectively, through observing the scale on the directional arc graduation apparatus of pointer pole, learn the number of degrees of contained angle between the two walls to measure the corner.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective view of the present invention.

Fig. 3 is a schematic perspective view of the moving mechanism of the present invention.

Fig. 4 is a schematic perspective view of the lifting mechanism of the present invention.

Fig. 5 is a schematic perspective view of the detecting mechanism of the present invention.

Fig. 6 is a partial cross-sectional view of the detection mechanism of the present invention.

Fig. 7 is a schematic perspective view of the telescoping mechanism of the present invention.

Fig. 8 is a perspective view of a telescopic mechanism of the present invention.

Fig. 9 is a schematic perspective view of a shaking mechanism according to the present invention.

Fig. 10 is an enlarged view of the invention at a.

Fig. 11 is a schematic perspective view of a first embodiment of the measuring mechanism of the present invention.

Fig. 12 is a schematic perspective view of a second measuring mechanism according to the present invention.

Part names and serial numbers in the figure: 1_ electric slide rail, 2_ suction cup, 4_ pull rope, 5_ plumb bob, 6_ moving mechanism, 60_ support plate, 61_ universal wheel, 62_ orientation wheel, 63_ guide rod, 64_ slide rod, 7_ lifting mechanism, 70_ motor, 71_ screw shaft, 72_ rotation shaft, 73_ double-sided scale, 74_ return spring, 75_ mounting block, 8_ detection mechanism, 80_ charging box, 81_ transparent plate, 82_ magnet, 9_ telescopic mechanism, 90_ pointer plate, 91_ connecting rod, 92_ extrusion spring, 10_ shaking mechanism, 100_ push rod, 101_ compression spring, 102_ corrugated rod, 103_ fixed block, 104_ poking rod, 105_ torsion spring, 11_ measuring mechanism, 110_ connecting block, 111_ rotation block, 112_ pointer rod, 113_ arc scale, 12_ handle.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example 1

The utility model provides a building engineering technical service detection device, as shown in fig. 1-6, including electronic slide rail 1, sucking disc 2, stay cord 4, plummet 5, moving mechanism 6, elevating system 7 and detection mechanism 8, electronic slide rail 1 is controlled two parts and all is fixed and is equipped with sucking disc 2, be connected with stay cord 4 on the slider of

electronic slide rail

1, 4 end connection of stay cord has plummet 5, be equipped with moving mechanism 6 on the electronic slide rail 1, moving mechanism 6 can drive electronic slide rail 1 and remove, be equipped with elevating system 7 between moving mechanism 6 and the electronic slide rail 1, elevating system 7 can drive electronic slide rail 1 and reciprocate, be equipped with detection mechanism 8 on the elevating system 7, detection mechanism 8 can detect the roughness of wall.

As shown in fig. 1, the electric slide rail further comprises a handle 12, and the handle 12 is fixedly arranged at the middle position of the front side of the electric slide rail 1.

When the device is used, a worker moves the device to a proper position through the moving mechanism 6, then the worker pushes the electric sliding rail 1 to slide backwards on a part of the moving mechanism 6 through the handle 12, so that the suction disc 2 is adsorbed on the wall surface, the electric sliding rail 1 is further fixed, after the fixing is well carried out, the pull rope 4 can keep a stretched state because the plumb bob 5 is hung on the pull rope 4, the worker detects the verticality of the wall body by observing the plumb bob 5 which is vertically hung and the pull rope 4, when the flatness of the wall surface needs to be detected, the worker controls the sliding block of the electric sliding rail 1 to slide rightwards, further drives the plumb bob 5 to move rightwards through the pull rope 4, the plumb bob 5 keeps contacting with the wall surface while moving rightwards, if the wall surface has the condition of unevenness, the plumb bob 5 moves rightwards and then generates front and back deviation, the motion track of the plumb bob 5 can be recorded through the detecting mechanism 8, the staff judges the condition whether unevenness exists in the wall through observing detection mechanism 8, and simultaneously, the staff also can carry out length measurement through elevating system 7's part, detect the completion back, the slider of staff control electric slide rail 1 slides left and resets, and then drive plummet 5 through stay cord 4 and remove left and reset, use the completion back when this device, the staff makes electric slide rail 1 remove downwards through elevating system 7, thereby reduce the focus of this device, make things convenient for the staff to remove this device, avoid this device to take place to empty when removing.

As shown in fig. 1 and 3, the moving mechanism 6 includes a supporting plate 60, a universal wheel 61, a directional wheel 62, a guide bar 63 and a slide bar 64, the slide bar 64 is slidably disposed at both left and right portions of the electric slide rail 1, the guide bar 63 is slidably disposed on the slide bar 64 at the right side, the supporting plate 60 is connected to the bottom of the guide bar 63, the universal wheel 61 is fixedly disposed at the front portion of the bottom of the supporting plate 60 in a left-right symmetric manner, and the directional wheel 62 is fixedly disposed at the front portion of the bottom of the supporting plate 60 in a left-right symmetric manner.

When using the device, the staff promotes guide bar 63 and removes, guide bar 63 removes and drives backup pad 60 and remove, under the effect of universal wheel 61 and directive wheel 62, can make things convenient for this device to remove more, can drive electronic slide rail 1 through slide bar 64 and remove when guide bar 63 removes, after this device removes to suitable position, the staff promotes electronic slide rail 1 and slides backward on slide bar 64, and then make sucking disc 2 adsorb on the wall, thereby fix the position of electronic slide rail 1, avoid electronic slide rail 1 to produce when the function and rock, after this device uses the completion, the staff draws forth through handle 12 helping hand pulling electronic slide rail 1, thereby pull out sucking disc 2 from the wall, when elevating system 7 control electronic slide rail 1 goes up and down, slide bar 64 slides up and down on guide bar 63 thereupon.

As shown in fig. 1 and 4, the lifting mechanism 7 includes a motor 70, a threaded shaft 71, a rotating shaft 72, a double-sided scale 73, a return spring 74 and a mounting block 75, the motor 70 is bolted to the left portion of the support plate 60, the threaded shaft 71 is connected to an output shaft of the motor 70 through a coupling, the left sliding rod 64 is connected to the threaded shaft 71 through a thread, the mounting block 75 is rotatably disposed on the lower portion of the threaded shaft 71, the same mounting block 75 is connected to the lower portion of the guide rod 63, the rotating shaft 72 is rotatably disposed between the left and right mounting blocks 75, the double-sided scale 73 is fixedly disposed on the rotating shaft 72, and the return spring 74 is connected between the sliding rod 64 and the electric slide rail 1.

When the device is used, a worker can push the double-sided scale 73 to rotate to a vertical state so as to measure the length, when the worker pushes the electric sliding rail 1 to slide backwards on the sliding rod 64, the return spring 74 deforms, when the electric sliding rail 1 needs to be pulled to slide forwards to pull out the suction cup 2, the worker can pull the electric sliding rail 1 to slide forwards with more labor saving under the action of the return spring 74, when the electric sliding rail 1 needs to be controlled to descend, the worker starts the motor 70, the output shaft of the motor 70 rotates to drive the threaded shaft 71 to rotate, the threaded shaft 71 rotates to drive the sliding rod 64 on the left side to move downwards, the sliding rod 64 on the left side moves downwards to drive the electric sliding rail 1 to descend, so that the gravity center of the device is reduced, when the electric sliding rail 1 needs to be controlled to ascend, the worker controls the output shaft of the motor 70 to rotate reversely, the output shaft of the motor 70 reversely rotates to drive the sliding rod 64 on the left side to move upwards, and then the electric sliding rail 1 is driven to ascend, and when the device is used, the motor 70 is turned off by a worker.

As shown in fig. 1, 5 and 6, the detecting mechanism 8 comprises a cartridge 80, a transparent plate 81 and a magnet 82, the cartridge 80 is connected to the double-sided scale 73, fine sand is filled in the cartridge 80, the transparent plate 81 is fixedly provided on the top of the cartridge 80, the magnets 82 are slidably provided on both upper and lower sides of the transparent plate 81, the two magnets 82 attract each other, and the upper magnet 82 is attracted to the plumb bob 5.

When the device is used, the plumb bob 5 moves rightwards to drive the magnet 82 to slide rightwards on the transparent plate 81, the magnet 82 at the lower part slides rightwards and simultaneously scratches on fine sand in the charging box 80, the moving track of the plumb bob 5 is recorded through the fine sand, after detection is completed, a worker sees through the transparent plate 81 to observe the fine sand in the charging box 80, so that whether unevenness exists on the wall surface is judged, and when the plumb bob 5 moves leftwards, the magnet 82 is also driven to slide leftwards to reset.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 7 and 8, the device further comprises a telescopic mechanism 9, the telescopic mechanism 9 can extend the measurement length, the telescopic mechanism 9 comprises a pointer plate 90, a connecting rod 91 and an extrusion spring 92, the pointer plate 90 is slidably arranged on the rotating shaft 72, the connecting rod 91 is connected to the pointer plate 90, the same pointer plate 90 is connected to the left side of the connecting rod 91, the pointer plate 90 on the left side is not slidably connected to the rotating shaft 72, and the extrusion spring 92 is connected between the pointer plate 90 on the right side and the rotating shaft 72.

When the length of the double-sided scale 73 is not enough to measure the length, a worker can push the right pointer plate 90 to slide leftward on the rotating shaft 72, the pressing spring 92 deforms, the right pointer plate 90 slides leftward while driving the left pointer plate 90 to move leftward through the connecting rod 91, when the left hand board 90 moves to the left of the object to be measured, the worker observes the scale of the double-sided scale 73 corresponding to the position where the right hand board 90 is located, the length of the object to be measured can be obtained by adding the total length of the double-sided scale 73 to the value indicated by the right pointer plate 90, and when the measurement is completed, the worker releases the right pointer plate 90, under the action of the reset of the pressing spring 92, the right pointer plate 90 slides rightwards to reset, and then the left pointer plate 90 is driven to move rightwards to reset through the connecting rod 91.

As shown in fig. 1, 9 and 10, the sand box comprises a shaking mechanism 10, the shaking mechanism 10 can shake fine sand in the material box 80, the shaking mechanism 10 comprises a push rod 100, a compression spring 101, a corrugated rod 102, a fixed block 103, a poking rod 104 and a torsion spring 105, the push rod 100 is arranged at the left part of the support plate 60 in a sliding manner, the threaded shaft 71 rotates to be in contact with the push rod 100, the compression spring 101 is connected between the push rod 100 and the support plate 60, the corrugated rod 102 is connected to the middle part of the push rod 100, the fixed block 103 is connected to the left part of the bottom of the double-sided scale 73, the poking rod 104 is arranged in the fixed block 103 in a rotating manner, the front end of the poking rod 104 is in contact with the corrugated rod 102, the rear end of the poking rod 104 is in contact with the bottom of the double-sided scale 73, and the torsion spring 105 is connected between the poking rod 104 and the fixed block 103.

When the device is used, the threaded shaft 71 rotates to contact with the push rod 100, so that the push rod 100 is extruded to slide rightwards, the compression spring 101 deforms, the push rod 100 slides rightwards to drive the corrugated rod 102 to move rightwards, the corrugated rod 102 moves rightwards to intermittently extrude the front end of the poke rod 104 to swing upwards, the rear end of the poke rod 104 swings downwards, the torsion spring 105 deforms, when the corrugated rod 102 moves rightwards to be separated from the poke rod 104, under the action of the reset of the torsion spring 105, the poke rod 104 rotates reversely and resets to knock the double-sided scale 73 continuously, when the threaded shaft 71 stops rotating and is separated from the push rod 100, under the action of the reset of the compression spring 101, the pushing rod 100 drives the corrugated rod 102 to move leftwards and reset, thereby making the poke rod 104 strike the fixed block 103 again, and then shake the fine sand in the charging box 80 flat, conveniently carrying out the next measurement.

As shown in fig. 1, 11 and 12, the wall corner measuring device further comprises a measuring mechanism 11, the measuring mechanism 11 can measure a wall corner, the measuring mechanism 11 comprises a connecting block 110, a rotating block 111, a pointer rod 112 and an arc-shaped scale 113, the connecting block 110 is fixedly arranged at the lower position of the guide rod 63, the rotating block 111 is rotatably arranged at the right part of the connecting block 110, the pointer rod 112 is connected to the rear part of the rotating block 111, the pointer rod 112 is rotatably connected with the connecting block 110, the arc-shaped scale 113 is connected to the left part of the connecting block 110, and the front end of the pointer rod 112 is in contact with the arc-shaped scale 113.

When using the device, when needs are measured indoor corner, the staff removes this device to corner department for connecting block 110 and a wall laminating, turning block 111 then with another side wall laminating, the staff learns the number of degrees of contained angle between the two walls through observing the scale on the directional arc graduation apparatus 113 of finger rod 112, thereby realizes carrying out the purpose that detects to the corner.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a building engineering technical service detection device, including electronic slide rail (1), sucking disc (2), stay cord (4) and plummet (5), two portions are all fixed sucking disc (2) of being equipped with about electronic slide rail (1), are connected with stay cord (4) on the slider of electronic slide rail (1), and stay cord (4) trailing end connection has plummet (5), its characterized in that: the wall surface flatness detection device is characterized by further comprising a moving mechanism (6), a lifting mechanism (7) and a detection mechanism (8), the moving mechanism (6) is arranged on the electric sliding rail (1), the moving mechanism (6) is used for driving the electric sliding rail (1) to move, the lifting mechanism (7) is arranged between the moving mechanism (6) and the electric sliding rail (1), the lifting mechanism (7) is used for driving the electric sliding rail (1) to move up and down, the detection mechanism (8) is arranged on the lifting mechanism (7), and the detection mechanism (8) is used for detecting the flatness of the wall surface.

2. A construction engineering service detection device according to claim 1, characterized in that: the moving mechanism (6) comprises a supporting plate (60), universal wheels (61), directional wheels (62), guide rods (63) and sliding rods (64), the sliding rods (64) are arranged at the left portion and the right portion of the electric sliding rail (1) in a sliding mode, the guide rods (63) are arranged on the sliding rods (64) on the right side in a sliding mode, the supporting plate (60) is fixedly arranged at the bottom of the guide rods (63), the universal wheels (61) are fixedly arranged at the left-right symmetrical positions of the front portions of the bottoms of the supporting plate (60), and the directional wheels (62) are fixedly arranged at the left-right symmetrical positions of the front portions of the bottoms of the supporting plate (60).

3. A construction engineering service detection device according to claim 2, characterized in that: elevating system (7) is including motor (70), threaded shaft (71), axis of rotation (72), two-sided scale (73), reset spring (74) and installation piece (75), backup pad (60) left part is fixed and is equipped with motor (70), there is threaded shaft (71) through the coupling joint on the output shaft of motor (70), left slide bar (64) passes through threaded connection with threaded shaft (71), threaded shaft (71) lower part rotary type is equipped with installation piece (75), the fixed installation piece (75) that are equipped with the same in guide bar (63) lower part, the rotary type is equipped with axis of rotation (72) between two installation pieces (75) about, fixed two-sided scale (73) that are equipped with on axis of rotation (72), all be connected with reset spring (74) between slide bar (64) and electronic slide rail (1).

4. A construction engineering service detection device according to claim 3, characterized in that: the detection mechanism (8) comprises a charging box (80), a transparent plate (81) and magnets (82), the charging box (80) is fixedly arranged on the double-sided scale (73), fine sand is filled in the charging box (80), the transparent plate (81) is fixedly arranged at the top of the charging box (80), the magnets (82) are arranged on the upper side and the lower side of the transparent plate (81) in a sliding mode, the two magnets (82) attract each other, and the magnets (82) on the upper portion are adsorbed together with the plumb bob (5).

5. A construction engineering service detection device according to claim 4, characterized in that: still including telescopic machanism (9) that is used for the extension measuring length, telescopic machanism (9) are including pointer board (90), connecting rod (91) and extrusion spring (92), the gliding style is equipped with pointer board (90) on axis of rotation (72), fixed connecting rod (91) that is equipped with on pointer board (90), the fixed same pointer board (90) that is equipped with in connecting rod (91) left side, left pointer board (90) not with axis of rotation (72) sliding connection, be connected with extrusion spring (92) between pointer board (90) on right side and axis of rotation (72).

6. A construction engineering service detection device according to claim 5, characterized in that: also comprises a shaking mechanism (10) for shaking the fine sand in the cartridge (80), the shaking mechanism (10) comprises a pushing rod (100), a compression spring (101) and a corrugated rod (102), fixed block (103), poker rod (104) and torque spring (105), backup pad (60) left part slidingtype is equipped with push rod (100), threaded spindle (71) rotate and push rod (100) contact, be connected with compression spring (101) between push rod (100) and backup pad (60), push rod (100) middle part rigidity is equipped with corrugated rod (102), the left side rigidity of two-sided scale (73) bottom is equipped with fixed block (103), fixed block (103) internal rotation formula is equipped with poker rod (104), poker rod (104) front end and corrugated rod (102) contact, poker rod (104) rear end and two-sided scale (73) bottom contact, be connected with torque spring (105) between poker rod (104) and fixed block (103).

7. A construction engineering service detection device according to claim 6, characterized in that: still including measurement mechanism (11) that are used for measuring the corner, measurement mechanism (11) are including connecting block (110), turning block (111), pointer pole (112) and arc scale (113), guide bar (63) lower part rigidity is equipped with connecting block (110), connecting block (110) right part rotary type is equipped with turning block (111), turning block (111) rear portion is fixed and is equipped with pointer pole (112), pointer pole (112) are connected with connecting block (110) rotary type, connecting block (110) left part rigidity is equipped with arc scale (113), pointer pole (112) front end and arc scale (113) contact.

8. A construction engineering service detection device according to claim 7, characterized in that: the electric sliding rail is characterized by further comprising a handle (12), wherein the handle (12) is fixedly arranged in the middle of the front side of the electric sliding rail (1).