CN115388863A

CN115388863A - Construction engineering cost audit size measuring equipment

Info

Publication number: CN115388863A
Application number: CN202211001690.3A
Authority: CN
Inventors: 刘远涛; 李扬
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-20
Filing date: 2022-08-20
Publication date: 2022-11-25

Abstract

The invention relates to the technical field of constructional engineering measurement and discloses constructional engineering cost audit size measuring equipment which comprises a main triangular plate, a surveying and mapping wheel and an auxiliary triangular plate, wherein a first rotating shaft is arranged at the center of the surveying and mapping wheel, a third groove is formed in the main triangular plate, one end of the first rotating shaft penetrates through the third groove, and the inner wall of the third groove is rotatably connected. According to the invention, through the matching of structures such as the adjusting rod and the supporting block, the accuracy of linear surveying and mapping can be improved by contacting the two surveying and mapping wheels with the ground when a surveying and mapping personnel pushes the equipment, when a sand and stone surface needs to be surveyed, the adjusting rod can be tightened by transmission of the structures such as the first metal wire, the supporting block can be moved out while the surveying and mapping wheels are fixed, so that the three surveying and mapping wheels can rotate around the center of the main triangular plate, and the phenomenon of slipping when the surveying and mapping wheels directly measure the sand and stone surface is avoided.

Description

Construction engineering cost audit size measuring equipment

Technical Field

The invention relates to the technical field of constructional engineering measurement, in particular to constructional engineering cost audit size measuring equipment.

Background

The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The house building is characterized by comprising a top cover, a beam column, a wall, a foundation and a project which can form an internal space and meet the requirements of people on production, living, study and public activities. The size measurement of building engineering cost audit is an indispensable ring, and the measuring equipment generally comprises a laser measuring instrument, a measuring hand push wheel and the like.

The conventional construction dimension measuring apparatus mainly includes the following disadvantages:

(1) The straight line precision is poor. The existing hand-push wheel for measurement and the like often adopt a single-wheel structure, and the accuracy of linear measurement is poor due to various factors such as turning during linear measurement.

(2) The sand and stone surface precision is poor. When the existing hand-push wheel for measuring sand and stone surfaces is used for measuring the sand and stone surfaces, the contact area between the surveying and mapping wheel and the sand and stone surfaces is uneven, so that the phenomenon that the surveying and mapping wheel slips or does not rotate is easily caused, and the measuring precision is further influenced.

In view of the above, there is a need for an audit size measuring device for construction cost.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a device for measuring the construction cost audit size of construction engineering, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a building engineering cost audit size measuring device comprises a main set square, a mapping wheel and an auxiliary set square, wherein a first rotating shaft is arranged at the center of the mapping wheel, a third groove is formed in the main set square, one end of the first rotating shaft penetrates through the inside of the third groove and is connected with the inner wall of the third groove in a rotating manner, a long rod is arranged on the surface of the main set square, a handle is arranged at the top end of the long rod, a second groove, a long groove and a first groove are sequentially formed in the long rod from top to bottom, an adjusting rod penetrates through the inside of the second groove, a movable block is movably arranged in the first groove, a fixed shaft is fixedly arranged at the center of the third groove, a movable sleeve is sleeved on the surface of the fixed shaft, the end of the movable sleeve penetrates through the inside of the first groove, a first roller and a second roller are rotatably arranged in the inside of the second groove, and a first metal wire is arranged at the other end of the adjusting rod, and the bottom end of the first metal wire penetrates through the first roller and the second roller and penetrates into the interior of the first groove to be fixedly connected with the movable block, the inner wall of one side of the first groove is provided with two second steering buckles, the bottom end of the movable block is provided with two third metal wires, the end part of the movable sleeve is movably sleeved with a stretching ring, the other end of the third metal wire penetrates through the second steering buckles and then is connected with the top end of the stretching ring, the interior of the surveying and mapping wheel is uniformly provided with a plurality of first movable grooves and second movable grooves, the interior of the first movable grooves is movably provided with a first rack and a supporting block, the interior of the first movable grooves and the bottom end of the first rack are provided with a first tension spring, the interior of the second movable grooves and the interior of the three surveying and mapping wheels and the positions between the first rack and the second rack are both movably provided with a first gear, and the both sides of first gear are connected with first rack and the meshing of second rack respectively, the surface of second rack is run through and is provided with movable stand, and the tip of activity stand runs through to the inside in third groove and the cover is equipped with the metal strip, and is three the other end of metal strip all is provided with second metal wire, activity dish and first spring, three the other end and the movable sleeve fixed connection of second metal wire, movable sleeve's tip and the inside that is located the first groove are provided with first rubber ring, the inner wall in first groove and the below that is located first rubber ring are provided with second rubber ring, and first rubber ring is connected with the cooperation of second rubber ring.

Preferably, the surface of the auxiliary set square is provided with a counter, the top end of the counter is provided with an auxiliary rod, and the top end of the auxiliary rod is fixedly connected with the long rod.

Preferably, it is three the other end of first pivot all runs through to the inside of vice set-square and the cover is equipped with the second transmission dish, the inside fixed three second pivot that is provided with of vice set-square, it is three the surface cover of second pivot is equipped with second gear and first drive disk.

Preferably, the surface cover of first drive disk and second drive disk is equipped with the hold-in range, and first drive disk passes through the hold-in range rotation with the second drive disk and is connected, the center department of vice set-square rotates and is provided with the third gear, and the third gear is connected with the meshing of second gear, one side of third gear is provided with the third pivot, and the tip of third pivot runs through to the inside of counter.

Preferably, the rotation groove has been seted up to surface one side of second gear, the inner wall that rotates the groove evenly is provided with a plurality of fixed teeth, the other end center sleeve pipe of first drive disk runs through to the inside that rotates the groove and has seted up three alveolus.

Preferably, it is three the inside of alveolus all rotates and is provided with movable tooth, and is three the inside of alveolus all is fixed and is provided with the torsional spring, and the both ends of torsional spring respectively with the inner wall of alveolus and activity tooth fixed connection.

Preferably, first chutes are formed in the inner portion of the surveying and mapping wheel and located on two sides of the supporting block, first sliding blocks are arranged on two sides of the bottom end of the supporting block, the first sliding blocks are movably connected with the inner wall of the first chutes, second chutes are formed in inner walls of two sides of the movable sleeve, second sliding blocks are arranged at two ends of the fixed shaft, and the second sliding blocks are movably connected with the inner wall of the second chutes.

Preferably, the inside of third groove just is located the surface department of second metal wire and is provided with first turn to detain and the fixed disk, movable sleeve's surface evenly is provided with three connecting block, and the tip of second metal wire passes fixed disk and first turn to detain in proper order and later passes through the connecting block with movable sleeve and be connected.

Preferably, it is three the surface of metal strip all is provided with three second extension spring, and the other end of second extension spring and the inner wall fixed connection of third groove, the inside of third groove and the one side that is located the metal strip are provided with smooth stand, and the tip of metal strip is connected with the second metal line after passing smooth stand.

Preferably, the inner wall of the first groove is provided with a fixed sleeve, the end of the fixed shaft penetrates through the inside of the fixed sleeve and is rotatably connected with the inner wall of the fixed sleeve, a second spring is sleeved on the surface of the fixed sleeve, and the other end of the second spring is in pressing contact with the movable sleeve.

(III) advantageous effects

The invention provides a building engineering cost audit size measuring device, which has the following beneficial effects:

(1) According to the invention, through the matching of structures such as the adjusting rod and the supporting block, when a surveying and mapping person pushes the equipment, the accuracy of linear surveying and mapping can be improved by contacting the two surveying and mapping wheels with the ground, when a sand and stone surface needs to be surveyed, the adjusting rod only needs to be pinched, the supporting block can be moved out while the surveying and mapping wheels are fixed through transmission of the structures such as the first metal wire, and thus the three surveying and mapping wheels can rotate around the center of the main triangular plate, so that the phenomenon of slipping when the surveying and mapping wheels directly measure the sand and stone surface is avoided.

(2) According to the invention, through the matching of the movable sleeve, the first rubber ring and the second rubber ring, when two surveying and mapping wheels are used for surveying and mapping, the first rubber ring is attached to the second rubber ring, so that the whole main triangle plate and other structures can not rotate around the center, the first rubber ring is separated from the second rubber ring after the adjusting rod is tightened, and the main triangle plate structure can rotate around the center.

(3) According to the invention, through the matching of the structures such as the second gear, the first driving disk, the fixed teeth, the movable teeth and the torsion spring, the counterclockwise rotation of the surveying and mapping wheel when the equipment moves forwards is realized, at the moment, the first driving disk can drive the second gear to rotate, and if the equipment tilts and only one surveying and mapping wheel is used for surveying and mapping, at the moment, the surveying and mapping wheel drives the third gear to rotate, after the third gear drives the other two second gears to rotate, the other two second gears cannot drive the first driving disk to rotate under the action of the movable teeth, and then the other two surveying and mapping wheels cannot be driven to rotate, so that the resistance when the equipment moves forwards can be greatly reduced.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of a long pole construction of the present invention;

FIG. 3 is a side cross-sectional view of the roller construction of the present invention;

FIG. 4 is a cross-sectional view of a main triangle of the present invention;

FIG. 5 is a side cross-sectional view of the present invention;

FIG. 6 is an enlarged view of area A of FIG. 5 in accordance with the present invention;

FIG. 7 is a cross-sectional view of a secondary gusset structure of the present invention;

FIG. 8 is a cross-sectional view of a second gear arrangement of the present invention;

fig. 9 is a rear view of the present invention.

In the figure: 1. a main set square; 2. a surveying wheel; 3. a secondary set square; 4. an auxiliary rod; 5. a long rod; 6. a handle; 7. adjusting a rod; 8. a fixed shaft; 9. a movable block; 10. a first groove; 11. a first metal line; 12. a long groove; 13. a second groove; 14. a first roller; 15. a second roller; 16. a first rotating shaft; 17. a first tension spring; 18. a first movable slot; 19. a first gear; 20. a first rack; 21. a first slider; 22. a first chute; 23. a support block; 24. a second movable slot; 25. a second rack; 26. a movable upright post; 27. a third groove; 28. a second metal line; 29. a second tension spring; 30. a metal strip; 31. a smooth upright post; 32. a first steering buckle; 33. an active cannula; 34. a movable tray; 35. a first spring; 36. fixing the disc; 37. connecting blocks; 38. fixing teeth; 39. a second steering buckle; 40. a second spring; 41. a rotating groove; 42. fixing the sleeve; 43. a second slider; 44. a second chute; 45. a tooth socket; 46. a second gear; 47. a first drive disk; 48. a first rubber ring; 49. a third gear; 50. a second rubber ring; 51. a counter; 52. a synchronous belt; 53. a second drive plate; 54. a second rotating shaft; 55. a third rotating shaft; 56. a torsion spring; 57. moving teeth; 58. a third metal line; 59. and stretching the ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 9, the present invention provides a technical solution: the utility model provides a building engineering cost audit size measuring equipment, includes main set square 1, survey and drawing wheel 2 and vice set square 3, and the surface of vice set square 3 is provided with counter 51, and counter 51's top is provided with vice pole 4, and the top and the 5 fixed connection of stock of vice pole 4, and counter 51 is common digital equipment on the market, can come its length of accurate measurement etc. according to the rotatory number of turns of input shaft.

The center of the surveying and mapping wheel 2 is provided with a first rotating shaft 16, a third groove 27 is arranged inside the main triangle plate 1, one end of the first rotating shaft 16 penetrates into the third groove 27 and is rotatably connected with the inner wall of the third groove 27, the surface of the main triangle plate 1 is provided with a long rod 5, the top end of the long rod 5 is provided with a handle 6, a second groove 13, a long groove 12 and a first groove 10 are sequentially arranged inside the long rod 5 from top to bottom, an adjusting rod 7 penetrates inside the second groove 13, the adjusting rod 7 is rotatably connected with the inner wall of the second groove 13 through a shaft, a movable block 9 is movably arranged inside the first groove 10, a fixed shaft 8 is fixedly arranged at the center of the third groove 27, a movable sleeve 33 is movably sleeved on the surface of the fixed shaft 8, the end part of the movable sleeve 33 penetrates into the first groove 10, the movable sleeve 33 can move left and right, the inner wall of the first groove 10 is provided with a fixed sleeve 42, the end of the fixed shaft 8 penetrates into the fixed sleeve 42 and is rotatably connected with the inner wall of the fixed sleeve 42, the surface of the fixed sleeve 42 is sleeved with the second spring 40, the other end of the second spring 40 is in press contact with the movable sleeve 33, the movable sleeve 33 is extruded by the second spring 40 without human intervention, so that a first rubber ring 48 and a second rubber ring 50 which are described later are always attached, the inner walls of two sides of the movable sleeve 33 are both provided with second sliding grooves 44, two ends of the fixed shaft 8 are both provided with second sliding blocks 43, the second sliding blocks 43 are movably connected with the inner wall of the second sliding grooves 44, the movable sleeve 33 can only move by utilizing the matching of the second sliding blocks 43 and the second sliding grooves 44, and the movable sleeve 33 can only rotate synchronously along with the main triangle 1 if rotating, the first roller 14 and the second roller 15 are rotatably arranged in the second groove 13, the other end of the adjusting rod 7 is provided with a first metal wire 11, the bottom end of the first metal wire 11 passes through the first roller 14 and the second roller 15 and penetrates into the inside of the first groove 10 to be fixedly connected with the movable block 9, the movable block 9 moves upwards after pinching the adjusting rod 7, and returns after releasing the adjusting rod 7, the inner wall of one side of the first groove 10 is provided with two second turning buckles 39, the bottom end of the movable block 9 is provided with two third metal wires 58, the end of the movable sleeve 33 is movably sleeved with a stretching ring 59, and the other end of the third metal wire 58 passes through the second turning buckle 39 and then is connected with the top end of the stretching ring 59, after pinching the adjusting rod 7, the movable block 9 moves upwards, so that the stretching ring 59 is pulled out through the third metal wire 58, the stretching ring 59 is pulled out of the movable sleeve 33 after being pulled out, at this time, the first rubber ring 48 and the second rubber ring 50 are separated, and the movable sleeve 33 does not interfere with the stretching ring 59 when the main triangle 1 rotates, so that the movable sleeve 33 is pulled out of the movable sleeve 33, and then the movable sleeve 33 rotates and then is pulled out of the movable sleeve 30, and then the movable sleeve 33 is pulled out, and the second metal wire 28 is pulled out.

A plurality of first movable grooves 18 and second movable grooves 24 are uniformly formed in the surveying and mapping wheel 2, a first rack 20 and a supporting block 23 are movably arranged in the first movable grooves 18, first sliding grooves 22 are formed in the inner portion of the surveying and mapping wheel 2 and in two sides of the supporting block 23, first sliding blocks 21 are arranged on two sides of the bottom end of the supporting block 23, the first sliding blocks 21 are movably connected with the inner wall of the first sliding grooves 22, the supporting block 23 is not separated from the surveying and mapping wheel 2 through the cooperation of the first sliding blocks 21 and the first sliding grooves 22, first tension springs 17 are arranged in the first movable grooves 18 and in the bottom end of the first rack 20, the first tension springs 17 can ensure that the supporting block 23 is always contained in the surveying and mapping wheel 2 when the person is not intervened, second racks 25 are movably arranged in the second movable grooves 24, first gear 19 is movably arranged in the three surveying and between the first rack 20 and the second rack 25, two sides of the first gear 19 are respectively meshed with the first gear 20 and the second rack 25, thus, a metal upright post 30 capable of penetrating through the movable grooves 26 is arranged on the surface of the upright post, and the upright post 30 capable of penetrating through the movable grooves 26.

The other ends of the three metal strips 30 are all provided with a second metal wire 28, a movable disc 34 and a first spring 35, the other ends of the three second metal wires 28 are fixedly connected with a movable sleeve 33, a first steering buckle 32 and a fixed disc 36 are arranged in the third groove 27 and positioned on the surface of the second metal wire 28, three connecting blocks 37 are uniformly arranged on the surface of the movable sleeve 33, the end part of the second metal wire 28 sequentially penetrates through the fixed disc 36 and the first steering buckle 32 and then is connected with the movable sleeve 33 through the connecting blocks 37, after the movable sleeve 33 is pulled out by the transmission of the structures such as the adjusting rod 7 and the like, the three second metal wires 28 can be pulled out by the pulling-out of the movable sleeve 33, so that the three metal strips 30 can be contracted, the outer surfaces of the three metal strips 30 are all provided with three second tension springs 29, and the other ends of the second tension springs 29 are fixedly connected with the inner wall of the third groove 27, a smooth upright column 31 is arranged inside the third groove 27 and on one side of the metal strip 30, the end part of the metal strip 30 is connected with the second metal wire 28 after passing through the smooth upright column 31, the reasonability of the structure is ensured by ensuring that the metal strip 30 does not deviate randomly in the contraction process by utilizing the action of the smooth upright column 31, a first rubber ring 48 is arranged at the end part of the movable sleeve 33 and inside the first groove 10, a second rubber ring 50 is arranged on the inner wall of the first groove 10 and below the first rubber ring 48, the first rubber ring 48 is connected with the second rubber ring 50 in a matching way, when two surveying wheels 2 are used for surveying and mapping, the first rubber ring 48 is attached on the second rubber ring 50 at the moment, so that the whole structure of the main triangle 1 and the like cannot rotate around the center, and the first rubber ring 48 is separated from the second rubber ring 50 after the adjusting rod 7 is tightened, the main triangle 1 structure can rotate around the center.

The other ends of the three first rotating shafts 16 penetrate through the inside of the auxiliary triangle 3 and are sleeved with second transmission discs 53, the inside of the auxiliary triangle 3 is fixedly provided with three second rotating shafts 54, the surfaces of the three second rotating shafts 54 are sleeved with second gears 46 and first transmission discs 47, the surfaces of the first transmission discs 47 and the second transmission discs 53 are sleeved with synchronous belts 52, and the first transmission disc 47 is rotationally connected with the second transmission disc 53 through a synchronous belt 52, a third gear 49 is rotationally arranged at the center of the auxiliary triangle 3, and the third gear 49 is engaged with the second gear 46, one side of the third gear 49 is provided with a third rotating shaft 55, and the end of the third rotating shaft 55 runs through the counter 51, so that the third rotating shaft 55 can be driven to rotate and be measured by the counter 51 no matter the surveying and mapping wheel 2 rotates or the main triangle 1 and the auxiliary triangle 3 rotate, one side of the surface of the second gear 46 is provided with a rotating groove 41, the inner wall of the rotating groove 41 is uniformly provided with a plurality of fixed teeth 38, the center sleeve at the other end of the first driving disc 47 runs through the rotating groove 41 and is provided with three tooth sockets 45, the inner parts of the three tooth sockets 45 are rotatably provided with movable teeth 57, the inner parts of the three tooth sockets 45 are fixedly provided with torsion springs 56, and the two ends of the torsion springs 56 are respectively fixedly connected with the inner walls of the tooth sockets 45 and the movable teeth 57, the surveying wheel 2 rotates anticlockwise when the device is moved forwards, the first drive disk 47 then rotates the second gear 46, the surveying wheel 2 rotates the third gear 49 and thus the other second gear 46, the other second gears 46 do not rotate the other first transmission disk 47 under the action of the movable teeth 57 and the like, and thus will not drive the other surveying wheels 2 to rotate, which can reduce the resistance of the device when moving forward. And it should be noted that, if m is taken as the circumference of the surveying and mapping wheel 2, and the distance between two adjacent surveying and mapping wheels 2 is a, the length of the main triangle 1 rotating for one circumference is m +3a at this time, and at this time, it is only required that the rotation ratio of the second transmission disc 53 and the third gear 49 is satisfied that after the surveying and mapping wheel 2 rotates for m +3a circles, the third rotating shaft 55 rotates for one circumference, so that the counter 51 can measure two transmission modes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a building engineering cost audit size measuring equipment, includes main set square (1), survey and drawing wheel (2) and vice set square (3), its characterized in that: the surveying and mapping wheel is characterized in that a first rotating shaft (16) is arranged at the center of the surveying and mapping wheel (2), a third groove (27) is formed in the main triangular plate (1), one end of the first rotating shaft (16) penetrates through the inside of the third groove (27) and is connected with the inner wall of the third groove (27) in a rotating manner, a long rod (5) is arranged on the surface of the main triangular plate (1), a handle (6) is arranged at the top end of the long rod (5), a second groove (13), a long groove (12) and a first groove (10) are sequentially formed in the long rod (5) from top to bottom, an adjusting rod (7) is arranged in the second groove (13) in a penetrating manner, a movable block (9) is movably arranged in the first groove (10), a fixed shaft (8) is fixedly arranged at the center of the third groove (27), a movable sleeve (33) is movably arranged on the surface of the fixed shaft (8), the end of the movable sleeve (33) penetrates through the first groove (10), a first roller (14) and a second roller (15) and a metal wire (11) penetrates through the second roller (11) and penetrates through the first fixed block (11), the inner wall of one side of the first groove (10) is provided with two second steering buckles (39), the bottom end of the movable block (9) is provided with two third metal wires (58), the end part movable sleeve of the movable sleeve (33) is provided with a stretching ring (59), the other end of each third metal wire (58) penetrates through the second steering buckle (39) and then is connected with the top end of the stretching ring (59), the inside of the surveying and mapping wheel (2) is uniformly provided with a plurality of first movable grooves (18) and second movable grooves (24), the inside of each first movable groove (18) is movably provided with a first rack (20) and a supporting block (23), the bottom end part of each first movable groove (18) which is positioned between the first rack (20) is provided with a first tension spring (17), the inside of each second movable groove (24) is movably provided with a second rack (25), the inside of the surveying and positioning of the surveying and mapping wheel (2) is movably provided with a first gear (19) between the first rack (20) and the second rack (25), the two sides of the first gear (19) are respectively meshed with the second movable rack (20), and the end part of the second movable rack (26) is provided with a third vertical column (26), it is three the other end of metal strip (30) all is provided with second metal wire (28), activity dish (34) and first spring (35), three the other end and activity sleeve pipe (33) fixed connection of second metal wire (28), the inside that the tip of activity sleeve pipe (33) just is located first groove (10) is provided with first rubber ring (48), the inner wall of first groove (10) just is located the below of first rubber ring (48) and is provided with second rubber ring (50), and first rubber ring (48) are connected with the cooperation of second rubber ring (50).

2. A construction cost audit size measuring apparatus according to claim 1 wherein: the surface of the auxiliary set square (3) is provided with a counter (51), the top end of the counter (51) is provided with an auxiliary rod (4), and the top end of the auxiliary rod (4) is fixedly connected with the long rod (5).

3. A construction cost audit size measuring apparatus according to claim 2 wherein: the other end of first pivot (16) all runs through to the inside of vice set-square (3) and the cover is equipped with second transmission dish (53), the inside fixed three second pivot (54) that is provided with of vice set-square (3), it is three the surface cover of second pivot (54) is equipped with second gear (46) and first transmission dish (47).

4. A construction cost audit size measuring apparatus according to claim 3 wherein: the surface cover of first drive disk (47) and second drive disk (53) is equipped with hold-in range (52), and first drive disk (47) rotates through hold-in range (52) with second drive disk (53) and is connected, the center department of vice set-square (3) rotates and is provided with third gear (49), and third gear (49) and second gear (46) meshing are connected, one side of third gear (49) is provided with third pivot (55), and the tip of third pivot (55) runs through to the inside of counter (51).

5. The construction cost audit size measuring device of claim 4 wherein: the surface one side of second gear (46) has been seted up and has been rotated groove (41), the inner wall that rotates groove (41) evenly is provided with a plurality of fixed teeth (38), the other end center sleeve pipe of first drive disk (47) runs through to the inside of rotating groove (41) and has seted up three alveolus (45).

6. A construction cost audit size measuring apparatus according to claim 5 wherein: it is three the inside of alveolus (45) all rotates and is provided with activity tooth (57), and is three the inside of alveolus (45) all is fixed and is provided with torsional spring (56), and the both ends of torsional spring (56) respectively with the inner wall of alveolus (45) and activity tooth (57) fixed connection.

7. A construction cost audit size measuring apparatus according to claim 1 wherein: first spout (22) have all been seted up to the inside of survey and drawing wheel (2) and the both sides that are located supporting shoe (23), and the bottom both sides of affiliated supporting shoe (23) all are provided with first slider (21), and the inner wall swing joint of first slider (21) and first spout (22), second spout (44) have all been seted up to the both sides inner wall of movable sleeve (33), the both ends of fixed axle (8) all are provided with second slider (43), and the inner wall swing joint of second slider (43) and second spout (44).

8. A construction cost audit size measuring apparatus according to claim 1 wherein: the inside of third groove (27) just is located the surface department of second wire (28) and is provided with first turn to knot (32) and fixed disk (36), the surface of activity sleeve pipe (33) evenly is provided with three connecting block (37), and the tip of second wire (28) passes fixed disk (36) and first turn to detain (32) in proper order and then passes through connecting block (37) with activity sleeve pipe (33) and be connected.

9. A construction cost audit size measuring apparatus according to claim 1 wherein: it is three the surface of metal strip (30) all is provided with three second extension spring (29), and the other end of second extension spring (29) and the inner wall fixed connection of third groove (27), the inside of third groove (27) and the one side that is located metal strip (30) are provided with smooth stand (31), and the tip of metal strip (30) is connected with second wire (28) after passing smooth stand (31).

10. A construction cost audit dimensional measurement apparatus according to claim 1 including: the inner wall of the first groove (10) is provided with a fixed sleeve (42), the end part of the fixed shaft (8) penetrates through the inside of the fixed sleeve (42) and is rotatably connected with the inner wall of the fixed sleeve (42), the surface of the fixed sleeve (42) is sleeved with a second spring (40), and the other end of the second spring (40) is in pressing contact with the movable sleeve (33).