CN112325865A

CN112325865A - Building construction measuring device

Info

Publication number: CN112325865A
Application number: CN202011265006.3A
Authority: CN
Inventors: 高福
Original assignee: Weifang Fish And Beibei Stationery Co ltd
Current assignee: Weifang Fish And Beibei Stationery Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-02-05

Abstract

The invention discloses a building construction measuring device, which comprises a measuring box body, wherein a working cavity with an upward opening is arranged in the measuring box body, a distance measuring device is arranged in the working cavity and comprises a gear shaft which is rotatably arranged at the center of the lower end wall of the working cavity, an adjusting gear is fixedly arranged on the upper side of the outer circular surface of the gear shaft, threaded connecting rods which are bilaterally symmetrical are fixedly arranged on the upper end surface of the adjusting gear, the invention can automatically measure the distance between one point and different buildings, the invention can automatically measure the height and the angle, does not need manual regulation, is convenient and quick to operate, and can automatically measure whether the wall surface of a building inclines or not compared with a common horizontal distance measuring device.

Description

Building construction measuring device

Technical Field

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

Background

The construction measurement is an important content of engineering measurement, including lofting, completion measurement and deformation observation during construction, and most of the existing construction measurement uses infrared distance meters for measurement, but most of the infrared distance meters have disadvantages, constructors are inconvenient to adjust the height during measurement and adjust the measurement angle, so that the measured data accuracy is low, the infrared distance meters after use are generally carried manually, and the measuring instruments are easy to be subjected to large vibration due to rugged road surfaces during carrying, so that the service lives of internal parts are reduced.

Disclosure of Invention

In order to solve the problems, the building construction measuring device comprises a measuring box body, a working chamber with an upward opening is arranged in the measuring box body, a distance measuring device is arranged in the working chamber and comprises a gear shaft rotatably arranged at the center of the lower end wall of the working chamber, an adjusting gear is fixedly arranged on the upper side of the outer circular surface of the gear shaft, threaded connecting rods which are bilaterally symmetrical are fixedly arranged on the upper end surface of the adjusting gear, a measuring bottom plate is arranged above the threaded connecting rods, an infrared distance meter is arranged at the center of the upper end surface of the measuring bottom plate, a transmitter which extends forwards into the working chamber is arranged on the left side in the infrared distance meter, a receiver which extends forwards into the working chamber is arranged on the right side in the infrared distance meter, sliding chutes with upward openings are symmetrically arranged on the left side and the right side in the measuring bottom plate, the sliding groove is provided with a clamping slide block in a sliding manner, the upper side of the end face of one end of the clamping slide block, which is close to the infrared range finder, is fixedly provided with a connecting block, one end of the connecting block, which is close to the infrared range finder, is provided with a clamping plate, the left and right sides of the clamping plate can fix the infrared range finder on the measuring bottom plate, so that the infrared range finder is prevented from moving during measurement to cause overlarge measuring result error, the measuring device can automatically measure the distance between one point and different buildings, manual adjustment of measuring equipment is not needed, the lower side and the rear side of the working cavity are provided with verticality measuring devices, each verticality measuring device comprises a vertical cavity which is arranged at the rear side of the working cavity and has a backward opening, a detector is fixedly arranged at the front side of the upper end face, the lower end of the connecting wire is fixedly provided with a plumb block, rack cavities with backward openings are symmetrically arranged on the left and right sides below the working cavity, measuring racks are slidably arranged in the rack cavities, the verticality measuring device can automatically measure whether the wall of a building inclines or not, the excessive inclination of the building caused by accumulated fine inclination is prevented from finally causing the great increase of the subsequent construction workload, a damping moving device is arranged on the lower side of the rack cavity and comprises damping cavities which are symmetrically arranged on the left side below the rack cavity on the front and back side, a damping sliding plate is slidably arranged in the damping cavities, a damping connecting rod extending downwards to the outside of the measuring box is fixedly arranged in the center of the lower end face of the damping sliding plate, and a damping spring sleeved outside the damping connecting rod is fixedly arranged between the lower end face of the damping sliding plate and the lower end face of, the fixed shock attenuation backup pad that is provided with of shock attenuation connecting rod lower extreme, the fixed removal fixed plate that is provided with front and back symmetry of terminal surface under the shock attenuation backup pad, both sides around the rotation is provided with the removal pivot between the downside of removal fixed plate, it is located to fix being provided with on the outer disc of removal pivot remove the removal gyro wheel between the fixed plate, the shock attenuation mobile device can significantly reduce at the produced vibrations of removal in-process, avoids part in the measuring tank leads to the phenomenon that life subtracts the weak point because of receiving vibrations for a long time.

Preferably, the distance measuring means comprises a threaded cavity provided in the threaded connecting rod, a thread block in threaded connection with the circular wall in the thread cavity is arranged in the thread cavity in a sliding manner, a lifting shaft extending upwards into the working cavity is fixedly arranged at the center of the upper end surface of the thread block, the upper end of the lifting shaft is provided with a rotating shaft controller fixedly arranged on the lower end wall of the measuring bottom plate, a bevel gear cavity is arranged on one side of the chute far away from the infrared distance meter, a rotating shaft extending into the bevel gear cavity is arranged at the center of the upper end face of the rotating shaft controller, the upper end of the rotating shaft is fixedly provided with a lifting bevel gear, the front and the back of the upper end surface of the measuring bottom plate are symmetrically provided with guide slide rods, the upper end of the guide sliding rod is fixedly provided with a limiting block, and the outer circular surface of the guide sliding rod is provided with guide sliding blocks fixedly arranged at the front end and the rear end of the measuring bottom plate in a sliding mode.

Preferably, a motor is fixedly arranged at the center of the inner side of the measuring bottom plate, power screw shafts which penetrate through the sliding grooves and extend into the bevel gear cavity are arranged in a bilateral symmetry mode and in a power connection mode, power bevel gears which can be meshed with the lifting bevel gears are fixedly arranged at one ends, far away from the infrared distance measuring instrument, of the power screw shafts, support rods are arranged on the upper end faces of the power bevel gears in a matrix arrangement mode, and baffles are fixedly arranged at the upper ends of the support rods.

But preferably, the straightness measuring device that hangs down including the intercommunication set up in the rack chamber is close to the meshing chamber of plumb chamber one side, the left and right sides the downside is provided with the sprocket chamber between the meshing chamber, sprocket chamber lower extreme wall rear side bilateral symmetry and rotation are provided with and extend to the driven shaft in the meshing chamber, fixed being provided with on the outer disc of driven shaft is located the meshing intracavity and with measure the meshing gear that the rack was meshed mutually.

But preferably, the shock attenuation mobile device sets up in the right side including the front and back symmetry the cavity that turns to on rack chamber below right side, it is provided with the steering disc to turn to the intracavity rotation, the fixed downwardly extending that is provided with of terminal surface under the steering disc the outside connecting rod that turns to of measurement box, turn to the fixed removal commentaries on classics board that is provided with of connecting rod lower extreme, the fixed driven backup pad that is provided with front and back symmetry of terminal surface under the removal commentaries on classics board, both sides around the driven backup pad rotates between the downside of driven backup pad and is provided with driven spindle, the fixed position that is provided with on the excircle face of driven.

Preferably, the fixed two-way motor that is provided with of working chamber below rear side, two-way motor upper end power connection be provided with extend to driving shaft in the working chamber, the fixed ability that is provided with of driving shaft excircle face upside with adjusting gear engaged with driving gear, two-way motor lower extreme power connection be provided with extend to the power shaft in the sprocket chamber, the fixed drive sprocket that is provided with of power shaft excircle face downside, the fixed driven sprocket that is provided with of driven shaft excircle face downside, the left and right sides driven sprocket with it is provided with the chain to connect between the drive sprocket.

Preferably, the front side below the working cavity is provided with a storage box, the right side of the working cavity is provided with a handle cavity with an opening facing right, a fixing rod is fixedly arranged between the upper sides of the front end wall and the rear end wall of the handle cavity, a round sleeve is sleeved on the outer circular surface of the fixing rod, a connecting long rod is fixedly arranged on the lower side of the outer circular surface of the round sleeve, and a handle is fixedly arranged at the lower end of the connecting long rod.

The invention has the beneficial effects that: the invention can automatically measure the distance between one point and different buildings, can automatically measure the height and the angle, does not need manual regulation, is convenient and quick to operate, can automatically measure whether the wall surface of the building inclines or not compared with a common horizontal distance measuring device, and prevents the building from excessively inclining due to accumulation of slight inclination, and finally increases the subsequent construction workload.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of a construction measuring device according to the present invention.

Fig. 2 is a schematic view of the structure a-a in fig. 1.

Fig. 3 is a schematic diagram of the structure B-B in fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The building construction measuring device comprises a measuring box body 11, a working cavity 12 with an upward opening is arranged in the measuring box body 11, a distance measuring device is arranged in the working cavity 12 and comprises a gear shaft 80 rotatably arranged at the center of the lower end wall of the working cavity 12, an adjusting gear 24 is fixedly arranged on the upper side of the outer circular surface of the gear shaft 80, a threaded connecting rod 23 which is bilaterally symmetrical is fixedly arranged on the upper end surface of the adjusting gear 24, a measuring bottom plate 14 is arranged above the threaded connecting rod 23, an infrared distance meter 34 is arranged at the center of the upper end surface of the measuring bottom plate 14, a transmitter 33 which extends forwards into the working cavity 12 is arranged on the left side in the infrared distance meter 34, a receiver 37 which extends forwards into the working cavity 12 is arranged on the right side in the infrared distance meter 34, sliding chutes 32 with upward openings are symmetrically arranged on the left side and the right side in the measuring bottom, the sliding groove 32 is provided with a clamping slide block 40 in a sliding manner, the clamping slide block 40 is close to the upper side of the end face of one end of the infrared distance meter 34, a connecting block 39 is fixedly arranged on the upper side of the end face of one end of the infrared distance meter 34, a clamping plate 38 is arranged on one end of the connecting block 39 close to the infrared distance meter 34, the clamping plates 38 on the left side and the right side can fix the infrared distance meter 34 on the measuring bottom plate 14, the infrared distance meter 34 is prevented from moving during measurement to cause overlarge measuring result errors, the measuring device can automatically measure the distance between one point and different buildings, manual adjustment of measuring equipment is not needed, verticality measuring devices are arranged on the lower side and the rear side of the working cavity 12, the verticality measuring devices comprise a vertical cavity 57 which is arranged on the rear side of the working cavity 12 and has a backward opening, a detector 56 is fixedly arranged on the, the lower end of the connecting line 58 is fixedly provided with a plumb block 60, the lower part of the working chamber 12 is bilaterally and symmetrically provided with a rack chamber 72 with a backward opening, the rack chamber 72 is internally and slidably provided with a measuring rack 71, the verticality measuring device can automatically measure whether the wall of a building inclines or not, so as to prevent the subsequent construction workload from being greatly increased due to excessive inclination caused by accumulation of slight inclination of the building, the lower side of the rack chamber 72 is provided with a damping moving device, the damping moving device comprises a damping chamber 73 which is arranged on the left side below the rack chamber 72 in a front-back symmetric manner, the damping chamber 73 is internally and slidably provided with a damping slide plate 74, the center of the lower end face of the damping slide plate 74 is fixedly provided with a damping connecting rod 76 which extends downwards to the outside of the measuring box body 11, and a damping spring 75 which is sleeved outside the damping connecting rod 76 is fixedly arranged between, the fixed shock attenuation backup pad 27 that is provided with of shock attenuation connecting rod 76 lower extreme, the fixed removal fixed plate 28 that is provided with front and back symmetry of terminal surface under shock attenuation backup pad 27, both sides around the rotation is provided with removal pivot 30 between the downside of removal fixed plate 28, it is located to fix being provided with on the disc outside the removal pivot 30 removal gyro wheel 29 between the removal fixed plate 28, the shock attenuation mobile device can significantly reduce and remove the produced vibrations of in-process, avoids the part in the measurement box 11 leads to the phenomenon that life subtracts the weak point because of receiving vibrations for a long time.

Beneficially, the distance measuring device includes a threaded cavity 21 disposed in the threaded connecting rod 23, a threaded block 22 threadedly connected to an inner circular wall of the threaded cavity 21 is slidably disposed in the threaded cavity 21, a lifting shaft 20 extending upward into the working cavity 12 is fixedly disposed at a center of an upper end face of the threaded block 22, a rotating shaft controller 19 fixedly disposed on a lower end wall of the measuring base plate 14 is disposed at an upper end of the lifting shaft 20, a bevel gear cavity 15 is disposed at a side of the chute 32 away from the infrared distance meter 34, a rotating shaft 18 extending into the bevel gear cavity 15 is disposed at a center of an upper end face of the rotating shaft controller 19, a lifting bevel gear 17 is fixedly disposed at an upper end of the rotating shaft 18, guide rods 36 are symmetrically disposed in front and rear of the upper end face of the measuring base plate 14, a limit block 35 is fixedly disposed at an upper end of the guide rods 36, and guide slides on an outer circular face of the guide rods 36 and are fixedly disposed at front and rear ends Block 55.

Beneficially, a motor 41 is fixedly arranged at the inner center of the measuring bottom plate 14, the motor 41 is bilaterally symmetrical and is dynamically connected with a power screw shaft 31 which extends into the bevel gear cavity 15 through the chute 32, a power bevel gear 16 which can be meshed with the lifting bevel gear 17 is fixedly arranged at one end of the power screw shaft 31 far away from the infrared distance meter 34, a support rod 13 is arranged on the upper end face of the power bevel gear 16 in a matrix manner, and a baffle 54 is fixedly arranged on the upper end of the support rod 13.

Beneficially, the verticality measuring device comprises an engaging cavity 69 which is arranged on one side, close to the plumb cavity 57, of the rack cavity 72 in a communicating manner, a sprocket cavity 67 is arranged on the lower side between the engaging cavities 69 on the left side and the right side, a driven shaft 68 which extends into the engaging cavity 69 is symmetrically arranged on the left side and the right side behind the lower end wall of the sprocket cavity 67 in a rotating manner, and an engaging gear 70 which is located in the engaging cavity 69 and is engaged with the measuring rack 71 is fixedly arranged on the outer circumferential surface of the driven shaft 68.

Beneficially, the shock-absorbing moving device comprises a steering cavity 77 symmetrically arranged on the right side in the front-back direction and on the right side below the rack cavity 72, a steering disc 78 is arranged in the steering cavity 77 in a rotating mode, a steering connecting rod 79 extending downwards to the outside of the measuring box 11 is fixedly arranged on the lower end face of the steering disc 78, a moving rotating plate 50 is fixedly arranged on the lower end face of the steering connecting rod 79, driven supporting plates 51 symmetrically arranged in the front-back direction and on the lower end face of the moving rotating plate 50 are fixedly arranged on the lower end face of the moving rotating plate, driven rotating shafts 53 are arranged between the lower sides of the driven supporting plates 51 in the front-back direction in a rotating mode, and driven.

Beneficially, a bidirectional motor 62 is fixedly arranged at the rear side below the working chamber 12, a driving shaft 61 extending into the working chamber 12 is arranged at the upper end of the bidirectional motor 62 in a power connection manner, a driving gear 59 capable of being meshed with the adjusting gear 24 is fixedly arranged at the upper side of the outer circular surface of the driving shaft 61, a power shaft 63 extending into the sprocket chamber 67 is arranged at the lower end of the bidirectional motor 62 in a power connection manner, a driving sprocket 64 is fixedly arranged at the lower side of the outer circular surface of the power shaft 63, a driven sprocket 66 is fixedly arranged at the lower side of the outer circular surface of the driven shaft 68, and a chain 65 is arranged between the driven sprocket 66 and the driving sprocket 64 at the left side and.

Beneficially, a storage box 49 is arranged at the front side below the working cavity 12, a handle cavity 45 with an opening facing to the right is arranged at the right side of the working cavity 12, a fixing rod 42 is fixedly arranged between the upper sides of the front and rear end walls of the handle cavity 45, a round sleeve 43 is sleeved on the outer circular surface of the fixing rod 42, a connecting long rod 44 is fixedly arranged at the lower side of the outer circular surface of the round sleeve 43, and a handle 46 is fixedly arranged at the lower end of the connecting long rod 44.

The use steps herein are described in detail below with reference to fig. 1-3:

in the initial working state, the thread block 22 is located at the lowest side of the thread cavity 21, the clamping slide block 40 is located at the side of the sliding chute 32 closest to the infrared distance meter 34, the handle 46 is located in the handle cavity 45, the guide slide block 55 is located at the lowest side of the guide slide rod 36, and the measuring rack 71 is located in the rack cavity 72.

In operation, the motor 41 is activated to rotate the power screw shaft 31, thereby rotating the power bevel gear 16, thereby rotating the lifting bevel gear 17, thereby rotating the rotating shaft 18, thereby rotating the lifting shaft 20 under the control of the rotating shaft controller 19, thereby moving the screw block 22 upward through the screw connection, thereby moving the measuring base plate 14 upward, thereby moving the guide block 55 upward along the guide bar 36, rotating the power screw shaft 31, thereby moving the clamping block 40 toward the infrared distance meter 34, thereby moving the clamping plate 38 toward the infrared distance meter 34 through the connecting block 39, thereby clamping and fixing the infrared distance meter 34 on the measuring base plate 14, at which time the bi-directional motor 62 is activated to rotate the driving shaft 61, thereby rotating the driving gear 59, thereby rotating the adjusting gear 24, thereby rotating the infrared distance meter 34 to a proper angle through the power mechanism for measurement, the bi-directional motor 62 is started to drive the power shaft 63 to rotate, thereby driving the driving sprocket 64 to rotate, thereby driving the driven sprocket 66 to rotate through the chain 65, thereby driving the driven shaft 68 to rotate, thereby driving the meshing gear 70 to rotate, thereby driving the measuring rack 71 to move forward, further detecting the inclination angle of the plumb block 60 and the vertical angle between the measuring rack 71 and the building through the detector 56 to obtain the verticality of the building, after the use, the bi-directional motor 62 is reversed to drive the power shaft 63 to reverse, thereby driving the driving sprocket 64 to reverse, thereby driving the driven sprocket 66 to reverse through the chain 65, thereby driving the driven shaft 68 to reverse, thereby driving the meshing gear 70 to reverse, thereby driving the measuring rack 71 to move backward to the initial position, the motor 41 is reversed to drive the power screw shaft 31 to reverse, at this time, the lifting shaft 20 is controlled not to rotate through the rotating, thereby drive centre gripping slider 40 and remove towards the direction of keeping away from infrared distance meter 34, thereby drive splint 38 through connecting block 39 and remove towards the direction of keeping away from infrared distance meter 34, when loosening infrared distance meter 34, centre gripping slider 40 stall, take off infrared distance meter 34 and put into storage tank 49, centre gripping slider 40 restarts, thereby drive centre gripping slider 40 and remove to initial position, control the reversal of lift axle 20 through pivot controller 19 this moment, thereby drive screw block 22 through threaded connection and remove to initial position downwards.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a construction measuring device, is including measuring the box, its characterized in that: a working cavity with an upward opening is arranged in the measuring box body, a distance measuring device is arranged in the working cavity and comprises a gear shaft rotatably arranged at the center of the lower end wall of the working cavity, an adjusting gear is fixedly arranged on the upper side of the outer circular surface of the gear shaft, bilaterally symmetrical threaded connecting rods are fixedly arranged on the upper end surface of the adjusting gear, a measuring bottom plate is arranged above the threaded connecting rods, an infrared distance meter is arranged at the center of the upper end surface of the measuring bottom plate, a transmitter extending forwards into the working cavity is arranged on the left side in the infrared distance meter, a receiver extending forwards into the working cavity is arranged on the right side in the infrared distance meter, chutes with upward openings are symmetrically arranged in the measuring bottom plate, clamping slide blocks are arranged in a sliding manner, and a connecting block is fixedly arranged on the upper side of one end surface of, the connecting block is provided with a clamping plate close to one end of the infrared distance measuring instrument in a specified manner, the infrared distance measuring instrument can be fixed on the measuring bottom plate by the clamping plates on the left side and the right side, the infrared distance measuring instrument is prevented from moving during measurement to cause overlarge measuring result error, the measuring device can automatically measure the distance between one point and different buildings without manually adjusting measuring equipment, the lower side and the rear side of the working cavity are provided with verticality measuring devices, each verticality measuring device comprises a vertical cavity which is arranged on the rear side of the working cavity and has a backward opening, a detector is fixedly arranged on the front side of the upper end face of the vertical cavity, a connecting wire is fixedly arranged at the center of the lower end face of the detector, a vertical block is fixedly arranged at the lower end of the connecting wire, rack cavities with backward openings are symmetrically arranged on the left side and the right side below the, the verticality measuring device can automatically measure whether the wall of a building inclines or not, and prevent the subsequent construction workload from being greatly increased due to excessive inclination caused by accumulation of slight inclination of the building, a damping moving device is arranged at the lower side of the rack cavity and comprises damping cavities which are symmetrically arranged at the left side below the rack cavity at the left side in the front-back direction, a damping sliding plate is slidably arranged in the damping cavities, a damping connecting rod extending downwards to the outside of the measuring box is fixedly arranged at the center of the lower end face of the damping sliding plate, a damping spring sleeved outside the damping connecting rod is fixedly arranged between the lower end face of the damping sliding plate and the lower end face of the damping cavity, a damping supporting plate is fixedly arranged at the lower end of the damping connecting rod, movable fixing plates which are symmetrically arranged at the front-back direction are fixedly arranged on the lower end face of the damping supporting, the outer disc of removal pivot is gone up to be fixed and is provided with and is located remove the removal gyro wheel between the fixed plate, the produced vibrations of shock attenuation mobile device can significantly reduce at the removal in-process avoid the part in the measuring tank leads to the phenomenon that life subtracts the weak point because of receiving vibrations for a long time.

2. The construction survey device of claim 1, wherein: the distance measuring device comprises a threaded cavity arranged in the threaded connecting rod, a threaded block in threaded connection with the circular wall in the threaded cavity is arranged in the threaded cavity in a sliding manner, a lifting shaft which extends upwards into the working cavity is fixedly arranged at the center of the upper end surface of the thread block, the upper end of the lifting shaft is provided with a rotating shaft controller fixedly arranged on the lower end wall of the measuring bottom plate, a bevel gear cavity is arranged on one side of the chute far away from the infrared distance meter, a rotating shaft extending into the bevel gear cavity is arranged at the center of the upper end face of the rotating shaft controller, the upper end of the rotating shaft is fixedly provided with a lifting bevel gear, the front and the back of the upper end surface of the measuring bottom plate are symmetrically provided with guide slide rods, the upper end of the guide sliding rod is fixedly provided with a limiting block, and the outer circular surface of the guide sliding rod is provided with guide sliding blocks fixedly arranged at the front end and the rear end of the measuring bottom plate in a sliding mode.

3. The construction survey device of claim 2, wherein: the infrared distance measuring instrument is characterized in that a motor is fixedly arranged at the center in the measuring bottom plate, power screw shafts which penetrate through the sliding grooves and extend into the bevel gear cavity are symmetrically arranged on the left and right of the motor in a power connection mode, power bevel gears which can be meshed with the lifting bevel gears are fixedly arranged at one ends, far away from the infrared distance measuring instrument, of the power screw shafts, supporting rods are arranged on the upper end faces of the power bevel gears in a matrix mode, and baffles are fixedly arranged at the upper ends of the supporting rods.

4. The construction survey device of claim 1, wherein: the straightness measuring device that hangs down sets up including the intercommunication in the rack chamber is close to the meshing chamber of plumb chamber one side, the left and right sides the downside is provided with the sprocket chamber between the meshing chamber, sprocket chamber lower extreme wall rear side bilateral symmetry just rotates and is provided with and extends to the driven shaft in the meshing chamber, the fixed being provided with on the outer disc of driven shaft is located the meshing intracavity and with measure the meshing gear that the rack was meshed mutually.

5. The construction survey device of claim 1, wherein: the shock attenuation mobile device sets up in the right side including the front and back symmetry the cavity that turns to on rack chamber below right side, it is provided with the steering disc to turn to the rotation of intracavity, the fixed downwardly extending that is provided with of terminal surface turns to the connecting rod outside the measuring box under the steering disc, it changes the board to turn to the fixed removal that is provided with of connecting rod lower extreme, the fixed driven backup pad that is provided with front and back symmetry of terminal surface under the board is changeed in the removal, both sides around the rotation is provided with driven rotating shaft between the downside of driven backup pad, the fixed position that is provided with on the excircle face of driven rotating shaft driven.

6. The construction survey device of claim 1, wherein: the fixed two-way motor that is provided with of working chamber below rear side, two-way motor upper end power connection be provided with extend to the driving shaft in the working chamber, the fixed ability that is provided with of driving shaft outer disc upside with adjusting gear engaged with driving gear, two-way motor lower extreme power connection be provided with extend to the power shaft in the sprocket chamber, the fixed drive sprocket that is provided with of power shaft outer disc downside, the fixed driven sprocket that is provided with of driven shaft outer disc downside, the left and right sides driven sprocket with it is provided with the chain to connect between the drive sprocket.

7. The construction survey device of claim 1, wherein: the utility model discloses a handle, including working chamber, handle cavity, circle cover, connecting rod, working chamber below front side is provided with the storage tank, the working chamber right side is provided with the handle cavity that the opening is right, it is provided with the dead lever to fix between the end wall upside around the handle cavity, the cover is equipped with the circle cover on the disc outside the dead lever, the fixed connecting rod that is provided with of disc downside outside the circle cover, the fixed handle that is provided with of connecting.