CN112857339A - Engineering cost field mapping device for building - Google Patents

Abstract

The utility model relates to an on-spot mapping device of engineering cost based on building, including surveying instrument and support frame, the support frame includes the mounting panel and three articulates in the retractable supporting legs of mounting panel bottom surface, wherein, surveying instrument rotationally sets up in the mounting panel top surface, still locate the outer sleeve in the inner skleeve outside including setting up perpendicularly in the inner skleeve of mounting panel bottom surface and slip cap, all articulated between every supporting legs and the outer sleeve have along vertical direction slope up inwards extending's connecting rod, outer sleeve bottom closing cap has the mount pad, the mounting panel bottom surface is equipped with a suspension wire, the suspension wire bottom is passed on the mount pad and is aimed at the hole and be connected with the preset balancing weight below the mount pad, be equipped with contact early warning subassembly between suspension wire and the alignment hole inner wall, and when the mounting panel level was arranged, the suspension wire. The method and the device can reduce the influence of human errors on the surveying and mapping data, and ensure the accuracy of the construction cost estimation of the building engineering.

Description

Engineering cost field mapping device for building

Technical Field

The application relates to the field of engineering cost mapping equipment, in particular to a construction-based engineering cost on-site mapping device.

Background

The project cost refers to the estimated or actual expenditure construction cost of the project in the construction period, and three elements of project pricing: the core contents of the method include investment estimation, design approximation, correction approximation, construction drawing budget, construction settlement, completion settlement and the like. Before the construction cost of the construction project is estimated, a construction project cost site surveying and mapping device is used for surveying and mapping the site and measuring the terrain so as to estimate the construction project cost more accurately.

Present on-spot mapping device of building engineering cost includes surveying instrument and support frame usually, and the support frame includes mounting panel and three articulates in the retractable supporting legs of mounting panel bottom surface and be used for supporting the mounting panel, and wherein, surveying instrument rotationally sets up in the mounting panel top surface to the mounting panel top surface is equipped with bubble type spirit level. During the use, at first install the surveying instrument on the mounting panel, then strut three supporting legs and place in the survey and drawing point department, utilize bubble type spirit level meter and the length of the three supporting legs of cooperation adjustment after that to make the mounting panel be horizontal arrangement, make surveying instrument and survey and drawing point centering and be the horizontality, later begin to survey and draw.

However, the inventor believes that the accuracy of the bubble level gauge needs to be controlled by depending on experience of surveying and mapping personnel to a great extent in the using process, so that human errors easily exist to influence surveying and mapping data, and further, the estimation of construction cost is influenced; therefore, there is room for improvement.

Disclosure of Invention

In order to reduce the influence of human errors on mapping data and ensure the accuracy of construction cost estimation, the application provides a construction-based construction cost field mapping device.

The above object of the present application is achieved by the following technical solutions:

a construction-based engineering cost site surveying and mapping device comprises a surveying and mapping instrument and a support frame, wherein the support frame comprises a mounting plate and three retractable supporting legs hinged to the bottom surface of the mounting plate, wherein the surveying instrument is rotatably arranged on the top surface of the mounting plate, and also comprises an inner sleeve vertically arranged on the bottom surface of the mounting plate and an outer sleeve slidably sleeved on the outer side of the inner sleeve, a connecting rod which is inclined and extends inwards along the vertical upward direction is hinged between each supporting leg and the outer sleeve, the bottom end of the outer sleeve is covered with a mounting seat, the bottom surface of the mounting seat is provided with a suspension wire, the bottom end of the suspension wire passes through a preset alignment hole on the mounting seat and is connected with a preset balancing weight below the mounting seat, a contact early warning assembly is arranged between the suspension wire and the inner wall of the alignment hole, and when the mounting plate is horizontally arranged, the suspension wire and the inner wall of the alignment hole are separated from each other.

By adopting the technical scheme, when the inclination angle of the mounting plate exceeds a certain range value, the suspension wire is in contact with the inner wall of the alignment hole and triggers the contact early warning assembly, so that the contact early warning assembly sends out an early warning instruction to objectively indicate that the mounting plate does not reach a horizontal arrangement state, so as to remind a measurer that measurement can be carried out by jointly matching three supporting legs and adjusting the mounting plate to the horizontal arrangement state, thereby avoiding the influence on surveying and mapping data caused by human errors and ensuring the accuracy of construction engineering cost estimation; when the three supporting legs are synchronously expanded outwards, the connecting rod can realize relative sliding between the inner sleeve and the outer sleeve, so that on one hand, the distance between the mounting seat and the mounting plate can be increased to reduce the swing amplitude of the suspension wire, thereby improving the surveying and mapping precision, and on the other hand, the gravity center of the outer sleeve and the mounting seat can be reduced, so that the gravity center of the surveying and mapping device is more stable; contact early warning subassembly sets up in the mount pad, can reduce mapping device's focus equally.

Optionally, the contact early warning assembly comprises a contact element arranged on the inner wall of the alignment hole, a control module and an early warning module, wherein the control module and the early warning module are both arranged in a preset installation cavity of the installation seat, the early warning module is exposed out of the installation seat, and the control module is electrically connected with the top end of the suspension wire, the contact element and the early warning module.

By adopting the technical scheme, when the inclination angle of the mounting plate exceeds a certain range value, the control module senses that the suspension wire is in contact with the fixed sleeve of the contact element, so that the early warning module is controlled to send out early warning indication, and the mounting plate is objectively indicated to be not in a horizontal arrangement state.

Optionally, the contact element includes a fixing sleeve fixedly disposed on an inner wall of the alignment hole and electrically connected to the control module, and a detaching sleeve for the suspension wire to pass through, wherein the detaching sleeve is detachably disposed in the fixing sleeve.

Through adopting above-mentioned technical scheme, dismantle detachable installation between cover and the fixed cover for dismantle the cover and can change, through changing the dismantlement cover of opening size difference in order to be used for supplying the suspension wire to pass, can adjust the required precision of survey and drawing.

Optionally, every the supporting legs all includes telescopic link, bracing piece and the flexible subassembly that articulates in the mounting panel bottom surface, wherein, the bracing piece slides and sets up in the predetermined flexible inslot in telescopic link one side, and the bracing piece bottom is extended and is exposed in the telescopic link bottom, the bracing piece top is equipped with the rack that extends along flexible groove length direction, flexible subassembly including set firmly in the predetermined pivot of flexible inslot and with rack engaged with gear, reduction gear and driving piece, wherein, the reduction gear sets firmly in the telescopic link outside, and the output shaft of reduction gear is connected with the pivot, the driving piece is connected with the input shaft of reduction gear and is used for driving the input shaft rotation of reduction gear.

Through adopting above-mentioned technical scheme, support mounting panel and surveying instrument when three supporting legss jointly and place surveying point department and the mounting panel does not reach the level and arranges the state, rotate in order to make reduction gear drive gear through waveing corresponding driving piece for the gear drives the bracing piece at flexible inslot low-speed through rack and pinion mesh driven mode in the pivoted in-process and slides, thereby adjusts the mounting panel to the level and arranges the state.

Optionally, the wind shield further comprises a wind shield body which is sleeved outside the outer sleeve in a sliding manner, the inner wall of the wind shield body is provided with a plurality of bayonets which are arranged at intervals along the length direction of the wind shield body, a supporting groove is formed in the outer side of the outer sleeve, an elastic clamping component exposed in the supporting groove is arranged in the supporting groove, and the wind shield body can move along the length direction of the outer sleeve to enable the elastic clamping component to be matched with any one of the bayonets in a clamping manner.

Through adopting above-mentioned technical scheme, utilize the joint cooperation of elasticity joint subassembly and bayonet socket to adjust the position of windshield to stop the wind-force of surveying and mapping point, reduce the wind-force of surveying and mapping point and blow the balancing weight and influence the normal operating of contact early warning subassembly, in addition, reduce along with the position adjustment of windshield, can reduce mapping device's focus.

Optionally, the elastic clamping assembly comprises an elastic piece and a ball joint piece, wherein the elastic piece is arranged at the bottom of the supporting groove, and the ball joint piece is arranged at one end of the elastic piece far away from the bottom of the supporting groove and partially exposed out of the supporting groove.

Through adopting above-mentioned technical scheme, when the wind-force of survey and drawing point is great, surveying personnel moves the windshield along outer sleeve length direction, at this moment, the external force that bulb joint spare received exceeds a definite value, the elastic force of elastic component can be overcome to the axial force that bulb joint spare received, beat between a plurality of bayonets, when surveying personnel stop moving the windshield, bulb joint spare under the elastic force effect of elastic component with one of them bayonet socket looks joint, with the relative slip between restriction outer sleeve and the windshield, thereby realize the effect of keeping out the wind of windshield, reduce the influence that the wind-force of survey and drawing point caused to surveying and drawing data.

Optionally, a bubble level gauge is arranged on the top surface of the mounting plate.

Through adopting above-mentioned technical scheme, when the wind-force that the windshield can't eliminate the survey and drawing point caused the influence to the balancing weight, utilize bubble type spirit level can accomplish the survey and drawing work equally.

Optionally, one side of each telescopic rod is provided with a locking piece for limiting the sliding of the support rod in the telescopic groove.

By adopting the technical scheme, the locking piece can limit the supporting rod to slide in the telescopic groove, so that the length of the supporting leg is kept stable, and the mounting plate is kept in a horizontal arrangement state.

Optionally, each bracing piece bottom all articulates has the anti-settling block that can laminate mutually with the ground of slope.

By adopting the technical scheme, the anti-settling block can increase the contact area between the supporting legs and the ground, and is favorable for keeping the mounting plate in a horizontal arrangement state.

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

when the inclination of mounting panel surpassed certain range value, the suspension wire contacts and triggers contact early warning subassembly with aiming at the downthehole wall for contact early warning subassembly sends the early warning and instructs, points out the mounting panel objectively and does not reach the horizontal arrangement state, needs to cooperate jointly and adjust the mounting panel to the horizontal arrangement state through three supporting legs with reminding survey crew and can measure, thereby avoids appearing human error and influences the survey and drawing data, guarantees the accuracy that building engineering cost estimated.

When the three supporting legs are synchronously expanded outwards, the connecting rod can realize relative sliding between the inner sleeve and the outer sleeve, so that on one hand, the distance between the mounting seat and the mounting plate can be increased to reduce the swing amplitude of the suspension wire, thereby improving the surveying and mapping precision, and on the other hand, the gravity center of the outer sleeve and the mounting seat can be reduced, so that the gravity center of the surveying and mapping device is more stable;

the contact early warning assembly is arranged in the mounting seat, and the gravity center of the surveying and mapping device can be lowered;

utilize the joint cooperation of elasticity joint subassembly and bayonet socket to adjust the position of windshield to stop the wind-force of surveying and mapping point, reduce the wind-force of surveying and mapping point and blow the balancing weight and influence the normal operating of contact early warning subassembly, in addition, reduce along with the position adjustment of windshield, can reduce mapping device's focus.

Drawings

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

Fig. 2 is a cross-sectional view of an embodiment of the present application.

Fig. 3 is an enlarged view of a in fig. 1.

Fig. 4 is a schematic connection diagram of the support rod and the anti-settling block in the embodiment of the application.

Fig. 5 is an enlarged view of B in fig. 2.

Description of reference numerals: 1. a surveying instrument; 2. a support frame; 21. mounting a plate; 22. supporting legs; 221. a telescopic rod; 222. a support bar; 223. a telescoping assembly; 224. a telescopic groove; 225. a rack; 226. a gear; 227. a speed reducer; 228. a drive member; 229. a rotating shaft; 31. an inner sleeve; 32. an outer sleeve; 33. a windshield; 34. a bayonet; 35. a support groove; 36. an elastic clamping component; 361. an elastic member; 362. a ball head clamping piece; 4. a connecting rod; 5. a mounting seat; 51. aligning the holes; 52. a mounting cavity; 6. hanging wires; 61. a balancing weight; 7. a contact pre-warning component; 71. a contact member; 711. fixing a sleeve; 712. disassembling the sleeve; 72. a control module; 73. an early warning module; 8. a bubble type level meter; 9. a locking member; 10. an anti-settling block; 11. a strip-shaped hole; 12. rotating the block; 13. and (4) connecting the blocks.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses engineering cost field mapping device for building.

Referring to fig. 1, based on-site mapping device of engineering cost for building includes surveying instrument 1 and support frame 2, support frame 2 includes mounting panel 21 and the supporting legs 22 of three retractable, wherein, mounting panel 21 is circular platelike body structure, surveying instrument 1 rotationally sets up in the top surface of mounting panel 21, and mounting panel 21 top surface is equipped with bubble type spirit level 8, three supporting legs 22 are along mounting panel 21's central evenly distributed, and the top of every supporting legs 22 all articulates in the border position department of mounting panel 21 bottom surface, make every supporting legs 22 all can rotate to the state of vertical arrangement or along the state that vertical downward direction slope outwards extended arrangement, support to place mounting panel 21 and surveying instrument 1 jointly and carry out the plotting work in surveying and drawing department.

Referring to fig. 2 and 3, in the present embodiment, each supporting foot 22 includes a telescopic rod 221, a supporting rod 222 and a telescopic assembly 223 hinged to the edge of the bottom surface of the mounting plate 21, wherein the outer side of the telescopic rod 221 is provided with a telescopic slot 224 extending along the length direction thereof and penetrating to the bottom end of the telescopic rod 221, and the inner contour of the telescopic slot 224 is matched with the outer contour of the supporting rod 222, so that the supporting rod 222 can be slidably disposed in the telescopic slot 224, and the supporting rod 222 can be slidably exposed at the bottom end of the telescopic rod 221; the telescopic assembly 223 includes a gear 226, a speed reducer 227 and a driving member 228, wherein the speed reducer 227 in the present embodiment is a micro worm and gear speed reducer having an input shaft with a high rotation speed and an output shaft with a low rotation speed, the driving member 228 in the present embodiment is a handle, and the driving member 228 is connected with the input shaft of the speed reducer 227 and is used for driving the input shaft of the speed reducer 227 to rotate; the top end of the supporting rod 222 is fixedly provided with a rack 225 which extends along the length direction of the telescopic slot 224 and is matched with the gear 226, the gear 226 is fixedly arranged on a preset rotating shaft 229 in the telescopic slot 224 and is meshed with the rack 225, the reducer 227 is fixedly arranged on the outer side of the telescopic rod 221, and the output shaft of the reducer 227 is fixedly connected with the rotating shaft 229, so that the reducer 227 can drive the gear 226 to rotate around the rotating shaft 229. When the mounting plate 21 and the surveying instrument 1 are supported and placed at the surveying point by the three supporting legs 22 together and the mounting plate 21 does not reach the horizontal arrangement state, the gear 226 is driven to rotate by the reducer 227 by shaking the corresponding driving member 228, so that the gear 226 drives the supporting rod 222 to slide at a low speed in the telescopic groove 224 in a manner of meshing transmission of the gear and the rack in the rotating process, and the mounting plate 21 is adjusted to the horizontal arrangement state.

In this embodiment, one side of each telescopic rod 221 is provided with a locking member 9, the locking member 9 in this embodiment is a locking bolt, and one side of each telescopic rod 221 is provided with a screw hole connected with the locking member 9 and communicated with the telescopic groove 224, so that the locking member 9 penetrates through the screw hole and abuts against the support rod 222 to limit the support rod 222 to slide in the telescopic groove 224, so that the length of the support leg 22 is kept stable, and the mounting plate 21 is kept in a horizontal arrangement state.

Referring to fig. 2 and 4, in this embodiment, the bottom of each support rod 222 is hinged with an anti-settling block 10 that can be attached to an inclined ground, specifically, the anti-settling block 10 is in a rectangular plate structure, a strip-shaped hole 11 with a rectangular cross section is formed in the center of the anti-settling block 10, and the bottom of each support rod 222 is inserted into the strip-shaped hole 11; the bottom of the supporting rod 222 is provided with a rotating block 12 in a spherical structure, the rotating block 12 is rotatably embedded in a rotating groove preset in the bottom of the supporting rod 222, two opposite ends of the rotating block 12 are respectively exposed at two opposite sides of the supporting rod 222, the rotating block 12 is oppositely arranged and is provided with a connecting block 13 at two opposite ends of the supporting rod 222, and the two connecting blocks 13 are respectively and fixedly arranged at two opposite sides of the strip-shaped hole 11, so that the anti-settling block 10 can rotate around the center of the rotating block 12 to be attached to the inclined ground, the contact area between the supporting leg 22 and the ground is increased, and the mounting plate 21 is favorably kept in a horizontal arrangement state.

Referring to fig. 2 and 5, in the present embodiment, an inner sleeve 31 having an annular cross section and coaxially disposed on the bottom surface of the mounting plate 21 is fixedly disposed, and an outer sleeve 32 having an annular cross section and coaxially disposed on the outer side of the inner sleeve 31 is slidably sleeved on the outer side of the inner sleeve 31, so that the inner sleeve 31 and the outer sleeve 32 can relatively slide in a direction perpendicular to the bottom surface of the mounting plate 21. A connecting rod 4 is arranged between each supporting foot 22 and the outer sleeve 32, the connecting rod 4 can realize the relative sliding between the inner sleeve 31 and the outer sleeve 32 and is used for limiting the relative sliding between the inner sleeve 31 and the outer sleeve 32, specifically, one end of the connecting rod 4 is hinged with the inner side of the bottom of the telescopic rod 221, and the other end of the connecting rod extends obliquely inwards along the vertical upward direction and is hinged with the outer wall of the top of the outer sleeve 32. When the three supporting legs 22 are synchronously expanded outwards, the three supporting legs 22 respectively pull the outer sleeve 32 through the three connecting rods 4 to realize relative sliding between the inner sleeve 31 and the outer sleeve 32, and when the three supporting legs 22 are synchronously expanded outwards to a required shape and are placed at a surveying and mapping point, the three supporting legs 22 respectively form a supporting effect on the outer sleeve 32 through the three connecting rods 4 to realize limiting of relative sliding between the inner sleeve 31 and the outer sleeve 32.

The bottom end of the outer sleeve 32 is fixedly sealed and covered with the mounting seat 5 which is in a cylindrical structure, the center of the mounting seat 5 is provided with an alignment hole 51 which is coaxially arranged with the mounting plate 21, the center of the mounting plate 21 is connected with a conductive suspension wire 6, and one end of the suspension wire 6, which is far away from the mounting plate 21, penetrates through the alignment hole 51 and then is connected with a preset balancing weight 61 below the mounting seat 5, so that when the three supporting legs 22 are jointly matched and the mounting plate 21 is adjusted to be in a horizontal arrangement state, the suspension wire 6 is coaxially arranged with the alignment hole 51 under the action of gravity of the balancing weight 61, namely, the suspension wire 6 is separated from the inner wall of the alignment.

Be equipped with contact early warning subassembly 7 between suspension wire 6 and the alignment hole 51 inner wall, and when the inclination of mounting panel 21 exceeded certain limit value, suspension wire 6 contacted and triggered contact early warning subassembly 7 with alignment hole 51 inner wall, make contact early warning subassembly 7 send out the early warning instruction, objectively point out that mounting panel 21 does not reach the level and arranges the state, can measure with reminding survey crew to need to cooperate jointly through three supporting legs 22 and adjust mounting panel 21 to the level and arrange the state, thereby avoid appearing human error and influence mapping data, guarantee the accuracy of building engineering cost estimation.

Specifically, in this embodiment, the contact warning assembly 7 includes a contact 71, a control module 72 and a warning module 73, where the control module 72 in this embodiment uses a single chip as a main control chip, the model of the control module is STC89C51, the warning module 73 in this embodiment is an LED indicator, a mounting cavity 52 is disposed in the mounting seat 5, the control module 72 and the warning module 73 are both fixedly disposed in the mounting cavity 52, and the warning module 73 passes through a preset avoidance hole of the mounting seat 5 and is exposed to the mounting seat 5; the contact element 71 comprises a conductive fixing sleeve 711 and a conductive detaching sleeve 712, wherein the fixing sleeve 711 is fixedly embedded in the alignment hole 51, an internal thread is arranged on the inner wall of the fixing sleeve 711, an external thread which is connected and matched with the internal thread is arranged on the outer wall of the detaching sleeve 712, a through hole which is coaxially arranged with the mounting plate 21 and is used for the suspension wire 6 to pass through is formed in the center of the detaching sleeve 712, and the size of the through hole is formed according to the precision required by surveying and mapping, so that different detaching sleeves 712 can be replaced according to the precision required by surveying and mapping; the control module 72 is electrically connected with the top end of the suspension wire 6, the control module 72 is electrically connected with the fixing sleeve 711 of the contact member 71, and the control module 72 is electrically connected with the early warning module 73 through preset conducting wires. When the inclination angle of the mounting plate 21 exceeds a certain range value, the control module 72 senses that the suspension wire 6 is in contact with the fixing sleeve 711 of the contact piece 71, so that the early warning module 73 is controlled to give an early warning indication to objectively indicate that the mounting plate 21 does not reach the horizontal arrangement state.

In the embodiment, in order to reduce the influence on the normal operation of the contact warning assembly 7 caused by the fact that the clump weight 61 is blown by wind power at a mapping point, the outer side of the outer sleeve 32 is slidably sleeved with a wind shield 33 which is coaxially arranged with the outer sleeve and has a circular cross section, the inner wall of the wind shield 33 is provided with a plurality of bayonets 34 which are arranged at equal intervals in the delayed length direction, the outer side of the bottom of the outer sleeve 32 is provided with a supporting groove 35, and the supporting groove 35 is internally provided with an elastic clamping assembly 36 which can be clamped and matched with any one; specifically, the elastic clamping assembly 36 includes an elastic member 361 and a ball clamping member 362, wherein the elastic member 361 in this embodiment is a compression spring, the bottom end of the elastic member 361 is connected to the bottom of the supporting groove 35, and the ball clamping member 362 is connected to the top end of the elastic member 361, so that the ball clamping member 362 can be exposed to the supporting groove 35 under the elastic force of the elastic member 361. When the wind-force of survey and drawing point is great, the mapping personnel removes windshield 33 along outer sleeve 32 length direction, at this moment, the external force that bulb joint spare 362 received exceeds a definite value, the elasticity of elastic component 361 can be overcome to the axial force that bulb joint spare 362 received, beat between a plurality of bayonet sockets 34, when the mapping personnel stops removing windshield 33, bulb joint spare 362 and one of them bayonet socket 34 looks joint under the elastic force effect of elastic component 361, in order to restrict the relative slip between outer sleeve 32 and the windshield 33, thereby realize windshield 33's wind-shielding effect, reduce the influence that the wind-force of survey and drawing point caused to surveying and drawing data.

The implementation principle is as follows: when the inclination of mounting panel 21 surpassed certain range value, suspension wire 6 contacted with the contact 71 of aiming at the hole 51 inner wall, control module 72 perception suspension wire 6 contacted with contact 71, thereby control early warning module 73 and send out the early warning instruction, point out objectively that mounting panel 21 does not reach the horizontal arrangement state, can measure with reminding the surveying staff to need to cooperate jointly through three supporting legs 22 and adjust mounting panel 21 to the horizontal arrangement state, thereby avoid appearing human error and influence the survey and drawing data, guarantee the accuracy of building engineering cost estimation.

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

Claims (9)

1. The utility model provides a based on-site mapping device of engineering cost for building, includes surveying instrument (1) and support frame (2), support frame (2) include mounting panel (21) and three retractable supporting legs (22) that articulate in mounting panel (21) bottom surface, and wherein, surveying instrument (1) rotationally sets up in mounting panel (21) top surface, its characterized in that: still locate outer sleeve (32) in inner skleeve (31) outside, every including setting up perpendicularly in inner skleeve (31) and the sliding sleeve of mounting panel (21) bottom surface all articulated have along vertical upwards the slope connecting rod (4) that extend inwards between supporting legs (22) and outer sleeve (32), outer sleeve (32) bottom closing cap has mount pad (5), mounting panel (21) bottom surface is equipped with a suspension wire (6), suspension wire (6) bottom is passed on mount pad (5) and is aimed at hole (51) and be connected with mount pad (5) below preset balancing weight (61), be equipped with contact early warning subassembly (7) between suspension wire (6) and the alignment hole (51) inner wall to when mounting panel (21) level was arranged, mutual separation between suspension wire (6) and the alignment hole (51) inner wall.

2. The construction-based construction cost site surveying and mapping device according to claim 1, wherein: contact early warning subassembly (7) are including setting up in contact piece (71), control module (72) and early warning module (73) of aiming at hole (51) inner wall, wherein, control module (72) and early warning module (73) all set up in installation cavity (52) that mount pad (5) predetermine and early warning module (73) expose in mount pad (5), be the electricity between control module (72) and suspension wire (6) top, between control module (72) and contact piece (71) and between control module (72) and early warning module (73) and be connected.

3. The construction-based construction cost site surveying and mapping device according to claim 2, wherein: the contact piece (71) comprises a fixed sleeve (711) fixedly arranged on the inner wall of the alignment hole (51) and electrically connected with the control module (72), and a detaching sleeve (712) for the suspension wire (6) to pass through, wherein the detaching sleeve (712) is detachably arranged in the fixed sleeve (711).

4. The construction-based construction cost site surveying and mapping device according to claim 1, wherein: each supporting foot (22) comprises an expansion link (221), a supporting rod (222) and an expansion component (223), the expansion link (221), the supporting rod (222) and the expansion component (223) are hinged to the bottom surface of the mounting plate (21), the supporting rod (222) is arranged in an expansion groove (224) which is preset on one side of the expansion link (221) in a sliding mode, the bottom end of the supporting rod (222) extends to be exposed out of the bottom end of the expansion link (221), a rack (225) which extends along the length direction of the expansion groove (224) is arranged at the top end of the supporting rod (222), the expansion component (223) comprises a gear (226), a speed reducer (227) and a driving piece (228), the gear (226), the speed reducer (227) and the driving piece are fixedly arranged on a rotating shaft (229) which is preset in the expansion groove (224) and meshed with the rack (225), wherein the speed reducer (227) is fixedly arranged on the outer side of the expansion link (221), an output .

5. The construction-based construction cost site surveying and mapping device according to claim 1, wherein: still locate windshield (33) in outer sleeve (32) outside including the slip cap, windshield (33) inner wall is equipped with a plurality of bayonet sockets (34) of arranging along its length direction interval, support groove (35) have been seted up in outer sleeve (32) outside, be equipped with in support groove (35) and expose in elastic clamping subassembly (36) of supporting groove (35) to remove along outer sleeve (32) length direction windshield (33) can make elastic clamping subassembly (36) and arbitrary bayonet socket (34) joint cooperation mutually.

6. The construction-based construction cost site surveying and mapping device according to claim 5, wherein: elasticity joint subassembly (36) include elastic component (361) and bulb joint spare (362), wherein, elastic component (361) set up in support groove (35) tank bottom, bulb joint spare (362) set up in elastic component (361) keep away from the one end of support groove (35) tank bottom and partly expose in support groove (35).

7. The construction-based construction cost site surveying and mapping device according to claim 1, wherein: and a bubble type level meter (8) is arranged on the top surface of the mounting plate (21).

8. The construction-based construction cost site surveying and mapping device according to claim 4, wherein: one side of each telescopic rod (221) is provided with a locking piece (9) used for limiting the support rod (222) to slide in the telescopic groove (224).

9. The construction-based construction cost site surveying and mapping device according to claim 4, wherein: the bottom of each support rod (222) is hinged with an anti-settling block (10) which can be attached to the inclined ground.

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