CN110006410B

CN110006410B - On-spot mapping device of building engineering cost

Info

Publication number: CN110006410B
Application number: CN201910262364.XA
Authority: CN
Inventors: 陈希文
Original assignee: Guangdong Jing Xin Engineering Cost Consultings Co ltd
Current assignee: Guangdong Jing Xin Engineering Cost Consultings Co.,Ltd.
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2021-09-07
Anticipated expiration: 2039-04-02
Also published as: CN110006410A

Abstract

The invention discloses a construction engineering cost on-site surveying and mapping device, which comprises a handrail plate, wherein a driving cavity is arranged in the handrail plate, the inner wall of the top end of the driving cavity is connected with a driving shaft which extends up and down in a rotating fit manner, the upper end of the driving shaft is provided with a shielding device and is positioned on the upper side of the handrail plate, the surveying and mapping device can be unfolded to protect the main parts of the surveying and mapping device so as to prolong the service life, the driving shaft is provided with a driving gear positioned in the driving cavity, the inner wall of the top end of the driving cavity is communicated with eudipleural fine adjustment sliding blocks, the fine adjustment sliding blocks are fixedly connected with a cross beam, and the upper side end surface of the cross beam is fixedly connected with a motor which is in power connection with the driving shaft; the invention has simple structure, realizes accurate measurement through mechanical initial position calibration, avoids the limitation of electronic equipment, marks an initial measurement position point for facilitating subsequent inspection, and realizes a protection function by utilizing a shielding structure.

Description

On-spot mapping device of building engineering cost

Technical Field

The invention relates to the technical field of surveying and mapping tools, in particular to a construction engineering cost on-site surveying and mapping device.

Background

The direct written meaning of the engineering cost is the cost required by the engineering construction, and the three elements are volume, calculation and price. The most important measurement is after the three. There are many conventional measuring tools, but most of them require calibration of the initial levelness and vertical end to zero during field mapping. Generally, the user is required to collect the surrounding objects, and the absence of the conditions in the field requires the user's own operation skill to adjust. This can cause inaccuracies in the measurement data. Although there is an intervening adjustment of the electronic sensing device, it is expensive due to the limited and expensive electronic devices. And the measurement of the urban road section can generate vibration on the ground due to the movement of the vehicle and also generate deviation on the measurement data. Therefore, an apparatus capable of effectively preventing vibration and having a mechanical calibration function is a necessary trend in the development of the surveying and mapping industry, and the invention provides an apparatus capable of solving the problems.

Disclosure of Invention

The invention aims to provide a construction project cost field mapping device which can overcome the defects in the prior art.

The construction cost on-site surveying and mapping device comprises a handrail plate, wherein a driving cavity is arranged in the handrail plate, the inner wall of the top end of the driving cavity is connected with a driving shaft which extends up and down in a rotating fit mode, the upper end of the driving shaft is provided with a shielding device and is positioned on the upper side of the handrail plate, the surveying and mapping device can be unfolded to protect the main components of the surveying and mapping device for prolonging the service life, the driving shaft is provided with a driving gear positioned in the driving cavity, the inner wall of the top end of the driving cavity is communicated with eudipleural fine adjustment sliding blocks, the fine adjustment sliding blocks are fixedly connected with cross beams, the upper end faces of the cross beams are fixedly connected with motors which are in power connection with the driving shaft, the fine adjustment sliding blocks are provided with fine adjustment devices positioned at the lower ends of the cross beams, wherein the fine adjustment devices can manually adjust the surveying and mapping device per se in a vertical and horizontal mode by observing contrast substances, the single-side fixed connection of crossbeam front end has the fixed tip, fixedly connected with hangs down the rope on the fixed tip, hang down the terminal fixedly connected with sash weight of rope lower extreme and from the school device, wherein, be equipped with the mark subassembly in the sash weight from the school device, can pass through after adjusting the level perpendicular both suitable mark initial point, the drive intracavity normal running fit is connected with bilateral symmetry's extension foot device and receives drive gear's power control, wherein, be equipped with the shockproof foot device in the extension foot device, the realization keeps surveying and drawing device measuring steady to the vibrations buffering of contact surface.

Preferably, the device of sheltering from includes the running fit is connected with and is located in the drive shaft the piece of accomodating of handrail board upside, it switches the chamber to accomodate the piece, be equipped with in the drive shaft and be located switch the elliptical wheel of intracavity, it is equipped with on the piece to accomodate and is located switch the hidden groove of chamber front and back end symmetry, hidden groove is close to switch the ejector pin that extends around intracavity side inner wall sliding connection, the ejector pin be close to the symmetry center side be equipped with the atress push pedal that the elliptical wheel offseted the connection, be equipped with on the ejector pin and be located hide the liftout plate of inslot, hide the articulated seat of inslot fixedly connected with bilateral symmetry, articulated being connected with articulated frame on the articulated seat, the other end of articulated frame with articulated connection between the liftout plate, articulated frame upper end fixedly connected with shelters from cloth (not shown in the figure).

Preferably, the fine setting device includes be equipped with the spout that the opening is down and towards the symmetry center side on the fine setting slider, sliding connection has the fine setting slide bar in the spout, the articulated gangbar that is connected with longitudinal symmetry between the fine setting slide bar, the gangbar leans on near side fixedly connected with range finding mirror each other, fine setting slider lower extreme fixedly connected with hangs the arm, hang and rotate the transmission shaft that the cooperation is connected with and extends about on the arm, the transmission shaft be close to the symmetry center end be equipped with the fine setting gear that the fine setting slide bar meshing is connected, the transmission shaft is kept away from symmetry center end fixedly connected with hand bull stick.

Preferably, the self-correcting device of the hanging hammer comprises a signal motor fixedly connected with the tail end of the lower end of the vertical rope, the tail end of the front end of the signal motor is in power connection with a rotating shaft extending forwards and backwards, a take-up pulley is arranged on the rotating shaft, the lower end of the signal motor is fixedly connected with a storage box, the end faces of the left end and the right end of the storage box are fixedly connected with a swing arm frame, a guide roller is actively connected on the swing arm frame in a matching manner, a liquid storage cavity is arranged in the storage box, a material passing pipe is communicated with the inner wall of the lower end of the liquid storage cavity, a pituitary is arranged at the lower side of the material passing pipe, the left end and the right end of the pituitary are in rotating matching connection with a symmetrical fixed point shaft extending leftwards and rightwards, a winding roller is fixedly connected with a winding roller far away from the symmetrical center end, a torque spring is connected with the side close to the pituitary in a jacking manner, and a steel cable is dynamically connected between the winding roller and the take-up pulley, the steel cable passes through the end face of the upper end of the guide roller and is in sliding connection with the guide roller, and a marking assembly is arranged in the pituitary.

Preferably, the marking assembly comprises a closed push rod fixedly connected to the lower end face of the storage box and located at the left end of the material passing pipe, a vertically through liquid outlet pipe cavity is arranged in the material passing pipe, cross valves which are centrosymmetric and extend leftwards and rightwards are slidably connected in the liquid outlet pipe cavity, a through hole communicated and connected is arranged between the cross valves, a butt roller is fixedly connected to the end face of the cross valve far away from the symmetric center, a stop spring is connected between the side of the butt roller close to the symmetric center and the end face of the left end and the right end of the material passing pipe in a jacking mode, a liquid holding tank with an upward opening and connected with the butt roller in a butting mode is arranged in the pituitary body, a flow channel is communicated with the inner wall at the bottom end of the liquid holding tank, a separation tank with an upward opening is arranged in the pituitary body, and a choke valve connected with the closed push rod in a butting mode is slidably connected to the inner wall at the right end of the separation tank, and a compression spring is connected between the choke valve and the inner wall of the right side of the separation groove in a jacking and pressing manner.

Preferably, the foot device that extends includes the drive intracavity normal running fit is connected with bilateral symmetry and extends to from top to bottom the screw thread axle in the drive chamber bottom outside, be equipped with on the screw thread axle with the elevating gear that the drive gear meshing is connected, screw thread axle screw-thread fit is connected with and is located the screw cap post in drive chamber bottom outside, screw cap post lower extreme normal running fit is connected with shockproof foot device.

Preferably, the shockproof foot device comprises a shockproof foot block connected with the lower end of the threaded cap column in a rotating fit manner, a T-shaped piston cavity is arranged in the shockproof foot block, a corresponding pushing block with bilateral symmetry is slidably connected in the horizontal part of the piston cavity, the corresponding pushing blocks are mutually connected with a reset spring in a side jacking manner, a piston is slidably connected in the vertical part of the piston cavity, a change block is fixedly connected with the lower end face of the shockproof foot block, an open slot with a downward opening is formed in the change block, a piston rod fixedly connected with the piston is slidably connected with the inner wall at the top end of the open slot, a main supporting foot in contact with the ground is fixedly connected with the lower end of the piston rod, auxiliary supporting rods symmetrically positioned at the left end and the right end of the piston rod are slidably connected in the open slot, wherein the auxiliary supporting rods extend upwards and downwards into the piston cavity and are slidably connected with the corresponding pushing blocks, the tail end of the lower end of the auxiliary supporting rod is fixedly connected with a butt plate, and an extension spring is connected between the upper side of the butt plate and the inner wall of the top end of the open slot in a jacking mode.

The invention has the beneficial effects that: the invention has simple structure and convenient operation, ensures the calibration of the initial vertical levelness of measurement according to the steel cable with the weight of the pituitary body vertical to the ground, realizes accurate measurement, and can also realize accurate work mapping without skilled skills. Meanwhile, the shockproof foot rod is adopted to avoid inaccurate measured data caused by slight change caused by the vibration of the supporting surface. And the structure for marking is additionally arranged in the pituitary to mark the initial point of the mapping, so that the subsequent mapping inspection is facilitated. Meanwhile, the shielding form is adopted to automatically open and protect the surveying and mapping device during use, so that the service life is prolonged.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic diagram of the overall structure of a construction cost on-site surveying and mapping apparatus according to the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of the self-calibration device of the hanging hammer of FIG. 1;

fig. 4 is an enlarged structural view of "B" of fig. 3.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for ease of description, the orientations described below will now be 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 construction engineering cost on-site surveying and mapping device comprises a handrail plate 10, wherein a driving cavity 73 is arranged in the handrail plate 10, the inner wall of the top end of the driving cavity 73 is connected with a driving shaft 13 which extends up and down in a rotating fit mode, the upper end of the driving shaft 13 is provided with a shielding device and is positioned on the upper side of the handrail plate 10, the surveying and mapping device can use main parts for protecting the surveying and mapping device in an expandable mode to prolong the service life, the driving shaft 13 is provided with a driving gear 11 positioned in the driving cavity 73, the inner wall of the top end of the driving cavity 73 is communicated with eudipleural fine adjusting sliders 16, the fine adjusting sliders 16 are fixedly connected with a cross beam 18, the upper side end face of the cross beam 18 is fixedly connected with a motor 12 which is in power connection with the driving shaft 13, the fine adjusting sliders 16 are arranged at the lower end of the cross beam 18, wherein the fine adjusting device can manually adjust the surveying and mapping device vertically and horizontally by observing objects, the single-side fixed connection of crossbeam 18 front end has fixed tip 17, fixedly connected with hangs down rope 25 on the fixed tip 17, hang down rope 25 lower extreme end fixedly connected with hammerhead from school device, wherein, be equipped with the mark subassembly in the hammerhead from school device, can pass through the mark subassembly mark initial point after adjusting the level perpendicular both sides suitable, the drive chamber 73 internal rotation fit is connected with bilateral symmetry's extension foot device and receives the power control of drive gear 11, wherein, be equipped with the foot device that takes precautions against earthquakes in the extension foot device, the realization keeps surveying and mapping device measuring steady to the vibrations buffering of contact surface.

Beneficially, the shielding device includes a receiving block 14 disposed on the upper side of the handrail plate 10 and connected to the driving shaft 13 in a rotating fit manner, a switching cavity 45 is disposed in the receiving block 14, an elliptical wheel 46 disposed in the switching cavity 45 is disposed on the driving shaft 13, a hidden groove 44 disposed in front and rear end symmetry of the switching cavity 45 is disposed on the receiving block 14, the hidden groove 44 is close to an inner wall of the switching cavity 45 side and slidably connected with a push rod 49 extending front and rear, a stressed push plate 50 connected with the elliptical wheel 46 in an abutting manner is disposed on a side of the push rod 49 close to a symmetry center, an ejector plate 48 disposed in the hidden groove 44 is disposed on the push rod 49, a hinge seat 43 symmetrical left and right is fixedly connected in the hidden groove 44, a hinge frame 42 is hinged to the hinge seat 43, and the other end of the hinge frame 42 is hinged to the ejector plate 48, a shielding cloth (not shown) is fixedly connected to the upper end of the hinge frame 42.

Beneficially, the fine adjustment device includes a sliding groove 19 with a downward opening and facing the side of the symmetry center is formed in the fine adjustment slider 16, fine adjustment sliding rods 23 are slidably connected in the sliding groove 19, linkage rods 24 which are symmetrical up and down are hinged between the fine adjustment sliding rods 23, the linkage rods 24 are fixedly connected with a distance measuring mirror 22 close to each other, a suspension arm 38 is fixedly connected to the lower end of the fine adjustment slider 16, a transmission shaft 40 which extends left and right is connected to the suspension arm 38 in a rotating fit manner, a fine adjustment gear 39 which is connected with the fine adjustment sliding rods 23 in a meshing manner is arranged at the end, close to the symmetry center, of the transmission shaft 40, and a manual rotating rod 41 is fixedly connected to.

Beneficially, the drop hammer self-calibration device comprises a signal motor 26 fixedly connected to the lower end of the vertical rope 25, a rotating shaft 57 extending back and forth is dynamically connected to the front end of the signal motor 26, a take-up pulley 56 is arranged on the rotating shaft 57, a storage box 54 is fixedly connected to the lower end of the signal motor 26, a swing arm frame 52 is fixedly connected to the left end face and the right end face of the storage box 54, a guide roller 51 is actively connected to the swing arm frame 52 in a matching manner, a liquid storage cavity 53 is arranged in the storage box 54, a material passing pipe 58 is communicated with the inner wall of the lower end of the liquid storage cavity 53, a pituitary body 60 is arranged on the lower side of the material passing pipe 58, a fixed point shaft 59 extending symmetrically and left and right is connected to the left end and the right end of the pituitary body 60 in a rotating and matching manner, a winding roller 68 is fixedly connected to the fixed end far away from the symmetric center, and a torque spring 67 is connected to the winding roller 68 and the pituitary body 60 in a pressing manner near the side, a steel cable 55 is dynamically connected between the winding roller 68 and the take-up pulley 56, the steel cable 55 passes through the upper end face of the guide roller 51 and is in sliding connection with the guide roller, and a marking component is arranged in the pituitary 60.

Beneficially, the labeling assembly includes a closed push rod 66 fixedly connected to the lower end face of the storage box 54 and located at the left end of the material passing pipe 58, a vertically through liquid outlet pipe cavity 47 is arranged in the material passing pipe 58, cross valves 70 which are centrosymmetric and extend left and right are slidably connected to the liquid outlet pipe cavity 47, through ports 69 which are communicated and connected are arranged between the cross valves 70, a butting roller 72 is fixedly connected to the end of the cross valve 70 far from the symmetric center, a stopping spring 71 is in pressing connection between the side of the butting roller 72 close to the symmetric center and the left and right end faces of the material passing pipe 58, a liquid holding groove 62 which is upward in opening and is connected with the butting roller 72 is arranged in the pituitary 60, a flow passage 63 is communicated and arranged on the inner wall at the bottom end of the liquid holding groove 62, a separating groove 65 which is upward in opening and located at the left end of the liquid holding groove 62 is arranged in the pituitary 60, and a choke valve 61 which is connected with the closed push rod 66 in abutting connection is slidably connected to the inner wall at the right end of the separating groove 65 A compression spring 64 is connected between the choke valve 61 and the right inner wall of the release groove 65 in a pressing manner.

Advantageously, the foot extension device comprises a threaded shaft 21 which is rotationally and fittingly connected with the driving cavity 73, is bilaterally symmetrical, and extends up and down to the outer side of the bottom of the driving cavity 73, a lifting gear 15 which is in meshed connection with the driving gear 11 is arranged on the threaded shaft 21, a threaded cap column 20 which is located on the outer side of the bottom of the driving cavity 73 is in threaded fit connection with the threaded shaft 21, and a shockproof foot device is rotationally and fittingly connected with the tail end of the lower end of the threaded cap column 20.

Beneficially, the shockproof pin device comprises a shockproof pin block 37 connected to the lower end of the threaded cap column 20 in a rotating fit manner, a T-shaped piston cavity 35 is arranged in the shockproof pin block 37, corresponding push blocks 36 which are bilaterally symmetrical are slidably connected in the horizontal portion of the piston cavity 35, the corresponding push blocks 36 are connected to each other in a side-abutting manner by a return spring 33, a piston 32 is slidably connected in the vertical portion of the piston cavity 35, a change block 74 is fixedly connected to the end surface of the lower end of the shockproof pin block 37, an open slot 28 with a downward opening is arranged in the change block 74, a piston rod 31 fixedly connected to the piston 32 is slidably connected to the inner wall of the top end of the open slot 28, a main supporting pin 30 contacting the ground is fixedly connected to the tail end of the lower end of the piston rod 31, and auxiliary supporting rods 34 symmetrically located at the, the auxiliary supporting rod 34 extends into the piston cavity 35 up and down and is connected with the corresponding pushing block 36 in a sliding mode, the tail end of the lower end of the auxiliary supporting rod 34 is fixedly connected with a butting plate 27, and an extension spring 29 is connected between the upper side of the butting plate 27 and the inner wall of the top end of the open slot 28 in a butting mode.

When the device is in an initial state, the motor 12, the signal motor 26 and the sealing push rod 66 are closed, the choke valve 61 is pushed to slide into the liquid accommodating groove 62 by abutting between the sealing push rod 61 and the choke valve 61, the communicating connection between the material passing pipe 58 and the flow passage 63 is blocked, the torque spring 67 has a winding roller 68 to rotate and accumulate power potential energy, the longest diameter of the elliptical wheel 46 abuts against the stressed push plate 50, and the ejection plate 48 is positioned in a recovery state in the hidden groove 44.

When the device of the invention is used for working, two hands hold the armrest plate 10 to a proper height to start the motor 12, the motor 12 drives the driving gear 11 and the elliptical wheel 46 to rotate through rotating the driving shaft 13, the driving gear 11 rotates the lifting gear 15 through meshing connection, the lifting gear 15 moves downwards through the threaded connection of the threaded shaft 21 and the threaded cap column 20, the main supporting foot 30 is abutted against the ground through the shockproof foot block 37 and the change block 74, when the device is contacted with the ground and vibrates, the main supporting foot 30 moves upwards to use the piston rod 31 to move the piston 32 upwards so as to cause the opposite sliding between the corresponding push blocks 36, the corresponding push block 36 pushes the corresponding auxiliary supporting ground to move downwards through the abutting connection with the auxiliary supporting rod 34 to relieve the buffer and the tension spring 29 accumulates power potential energy to facilitate subsequent recovery, the elliptical wheel 46 rotates to push the corresponding push plate 50 to slide away from the symmetrical center side through the abutting connection, the stressed push plate 50 utilizes the ejector rod 49 to synchronously move the ejector plate 48, and utilizes the hinged frame 42 hinged on the ejector plate 48 to unfold a shielding cloth (not shown) to realize the protection of the mirror surface of the surveying and mapping device, at the moment, human eyes observe the coincidence degree calibration of the plumb line 25 and the scale mark in the range finder mirror 22, rely on the manual rotation of the hand rotating rod 41, the hand rotating rod 41 rotates the fine adjusting gear 39 through the transmission shaft 40, the fine adjusting gear 39 rotates the fine adjusting slide rod 23 through the meshing connection to move up and down to adjust the position of the range finder mirror 22 until the coincidence is reached, then open the signal motor 26 to rotate the rotating shaft 57 anticlockwise to expand the steel cable 55 and utilize the elastic recovery linkage of the torque spring 67 to take up the winding roller 68 and the torque spring 67 for fixedly connecting the winding roller 68 to drive the pituitary 60 to move down to separate the material pipe 58 from the liquid placing groove 62, because of the elastic recovery of the stop spring 71 to make the cross valve 70 move away from the symmetrical center and make the through hole 69 mutually stagger and seal the liquid outlet 47, meanwhile, the sealing push rod 66 is disconnected from the choke valve 61, and the choke valve 61 is moved to the left into the separation groove 65 due to the elastic recovery of the compression spring 64, so that the marking liquid can be dropped on the ground through the flow passage 63 to form an initial origin, and the next mapping and checking are facilitated.

After the device of the present invention is finished, the back-open signal motor 26 will withdraw the pituitary 60 upwards through the above working process to refill the marking liquid, and then turn off the signal motor 26, and the back-open motor 12 will store the device, and at the same time, push the ejecting plate 48 into the hidden slot 44 manually for the next use.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. A construction engineering cost on-site surveying and mapping device comprises a handrail plate, wherein a driving cavity is arranged in the handrail plate, the inner wall of the top end of the driving cavity is connected with a driving shaft which extends up and down in a rotating fit manner, a shielding device is arranged at the upper end of the driving shaft and is positioned on the upper side of the handrail plate, a driving gear positioned in the driving cavity is arranged on the driving shaft, the inner wall of the top end of the driving cavity is communicated with eudipleural fine adjustment sliders, the fine adjustment sliders are fixedly connected with a cross beam, the end face of the upper side of the cross beam is fixedly connected with a motor which is in power connection with the driving shaft, and fine adjustment devices positioned at the lower ends of the cross beam are arranged on the fine adjustment sliders, wherein the fine adjustment devices can manually adjust the surveying and mapping device vertically and horizontally by depending on the observation of a contrast object, the single face at the front end of the cross beam is fixedly connected with a fixed pin, a vertical rope is fixedly connected on the fixed pin, the terminal fixedly connected with sash weight of rope lower extreme is from school device, wherein, be equipped with the mark subassembly in the sash weight is from school device, can pass through after adjusting the perpendicular both sides of level all suitable mark initial point, the drive intracavity normal running fit is connected with bilateral symmetry's extension foot device and receives drive gear's power control, wherein, be equipped with shockproof foot device in the extension foot device, the realization keeps surveying and drawing device measuring steady to the vibrations buffering of contact surface.

2. The construction cost on-site surveying and mapping apparatus of claim 1, wherein: the device includes shelter from the device rotating fit is connected with and is located in the piece of accomodating of handrail board upside, it switches the chamber to accomodate the piece, be equipped with in the drive shaft and be located switch the elliptical wheel of intracavity, it is equipped with on the piece to accomodate and is located switch the hidden groove of chamber front and back end looks symmetry, hidden groove is close to switch the ejector pin that extends around the intracavity side inner wall sliding connection, the ejector pin be close to the symmetry center side be equipped with the atress push pedal that the elliptical wheel offseted is connected, be equipped with on the ejector pin and be located hide the liftout plate of inslot, hide the articulated seat of inslot fixedly connected with bilateral symmetry, articulated being connected with articulated frame on the articulated seat, the other end of articulated frame with articulated connection between the liftout plate, articulated frame upper end fixedly connected with shelters from cloth.

3. The construction cost on-site surveying and mapping apparatus of claim 1, wherein: the fine setting device includes be equipped with the spout that the opening is down and towards the center of symmetry side on the fine setting slider, sliding connection has the fine setting slide bar in the spout, the articulated gangbar that is connected with longitudinal symmetry between the fine setting slide bar, the gangbar is close to near side fixedly connected with range finder each other, fine setting slider lower extreme fixedly connected with hangs the arm, hang the transmission shaft that the cooperation of rotating on the arm is connected with and extends about, the transmission shaft be close to the center of symmetry end be equipped with the fine setting gear that the fine setting slide bar meshing is connected, the center of symmetry end fixedly connected with hand bull stick is kept away from to the transmission shaft.

4. The construction cost on-site surveying and mapping apparatus of claim 1, wherein: the self-correcting device of the hanging hammer comprises a signal motor fixedly connected with the tail end of the lower end of the vertical rope, the tail end of the front end of the signal motor is in power connection with a rotating shaft extending forwards and backwards, a take-up pulley is arranged on the rotating shaft, the lower end of the signal motor is fixedly connected with a storage box, the end faces of the left end and the right end of the storage box are fixedly connected with a swing arm frame, a guide roller is actively connected onto the swing arm frame in a matching way, a liquid storage cavity is arranged in the storage box, a material passing pipe is arranged on the inner wall of the lower end of the liquid storage cavity in a communicating way, a pituitary is arranged at the lower side of the material passing pipe, the left end and the right end of the pituitary are in rotating matching way and are connected with a symmetrical fixed point shaft extending leftwards and rightwards, the fixed point shaft is fixedly connected with a winding roller far away from the symmetrical center, the winding roller and the pituitary are close to each other and are in side pressing connection with a torque spring, a steel cable is dynamically connected between the winding roller and passes through the end face of the upper end of the guide roller and is in sliding connection with the guide roller, a marking component is arranged in the pituitary.

5. The construction cost on-site surveying and mapping apparatus of claim 4, wherein: the marking assembly comprises a closed push rod which is fixedly connected with the end surface of the lower side of the storage box and is positioned at the left end of the material passing pipe, a liquid outlet pipe cavity which is communicated up and down is arranged in the material passing pipe, cross valves which are centrosymmetric and extend left and right are connected in the liquid outlet pipe cavity in a sliding way, an opening which is communicated and connected is arranged between the cross valves, the end surface of the cross valve far away from the symmetric center is fixedly connected with a butt roller, a stop spring is connected between the side of the butt roller close to the symmetric center and the end surface of the left end and the right end of the material passing pipe in a jacking way, a liquid holding groove which is provided with an upward opening and is connected with the butt roller in a propping way is arranged in the pituitary, the inner wall of the bottom end of the liquid holding groove is communicated and provided with a flow passage, a separation groove which is positioned at the left end of the liquid holding groove and is provided with an upward opening, and the inner wall of the right end of the separation groove is connected with a choke valve which is butted with the closed push rod in a sliding way, and a compression spring is connected between the choke valve and the inner wall of the right side of the separation groove in a jacking and pressing manner.

6. The construction cost on-site surveying and mapping apparatus of claim 1, wherein: the extension foot device comprises a threaded shaft which is connected with bilateral symmetry in a rotating fit mode in the driving cavity and extends to the outer side of the bottom of the driving cavity from top to bottom, a lifting gear which is connected with the driving gear in a meshing mode is arranged on the threaded shaft, a threaded cap column which is located on the outer side of the bottom of the driving cavity is connected with the threaded shaft in a threaded fit mode, and a shockproof foot device is connected with the tail end of the lower end of the threaded cap column in a rotating fit mode.

7. The construction cost on-site surveying and mapping apparatus of claim 6, wherein: the shockproof foot device comprises a shockproof foot block connected with the lower end of the threaded cap column in a rotating fit manner, a T-shaped piston cavity is arranged in the shockproof foot block, bilaterally symmetrical corresponding push blocks are slidably connected in the horizontal part of the piston cavity, the corresponding push blocks are mutually supported by side and are connected with a reset spring in a pressing manner, a piston is slidably connected in the vertical part of the piston cavity, a change block is fixedly connected with the lower end face of the shockproof foot block, an open slot with a downward opening is arranged in the change block, a piston rod fixedly connected with the piston is slidably connected with the inner wall at the top end of the open slot, a main supporting foot contacted with the ground is fixedly connected with the lower end of the piston rod, auxiliary supporting rods symmetrically positioned at the left end and the right end of the piston rod are slidably connected in the open slot, wherein the auxiliary supporting rods extend upwards and downwards into the piston cavity and are slidably connected with the corresponding push blocks, the tail end of the lower end of the auxiliary supporting rod is fixedly connected with a butt plate, and an extension spring is connected between the upper side of the butt plate and the inner wall of the top end of the open slot in a jacking mode.