CN109470225B - On-spot mapping device is used to building engineering cost - Google Patents

On-spot mapping device is used to building engineering cost Download PDF

Info

Publication number
CN109470225B
CN109470225B CN201811574229.0A CN201811574229A CN109470225B CN 109470225 B CN109470225 B CN 109470225B CN 201811574229 A CN201811574229 A CN 201811574229A CN 109470225 B CN109470225 B CN 109470225B
Authority
CN
China
Prior art keywords
annular base
pipeline
hole
collet chuck
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811574229.0A
Other languages
Chinese (zh)
Other versions
CN109470225A (en
Inventor
陈淑珍
李红立
季敏
刘霞
孙敬涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Qiujing Engineering Cost Co ltd
Original Assignee
Chongqing Vocational Institute of Engineering
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Vocational Institute of Engineering filed Critical Chongqing Vocational Institute of Engineering
Priority to CN201811574229.0A priority Critical patent/CN109470225B/en
Publication of CN109470225A publication Critical patent/CN109470225A/en
Application granted granted Critical
Publication of CN109470225B publication Critical patent/CN109470225B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00

Abstract

The invention belongs to the field of building surveying and mapping instruments, and particularly discloses a field surveying and mapping device for construction engineering cost, which comprises a surveying and mapping instrument body, a base, support legs arranged on the base and an annular base, wherein the support legs are arranged on the base; be equipped with on the annular base and supply stabilizer blade male collet chuck, the collet chuck is the cylinder tubular structure that forms by the concatenation in turn of a plurality of rigidity arc board and a plurality of hollow elasticity arc board, first through-hole and second through-hole have been seted up on the annular base, be equipped with two-way suction ventilator on the annular base, the air inlet end of two-way suction ventilator communicates with the hollow elasticity arc board in each collet chuck, the air-out end intercommunication of two-way suction ventilator has first pipeline and second pipeline, first pipeline still communicates there is the pressure release gasbag, first pipeline and each first through-hole intercommunication, second pipeline and each second through-hole intercommunication, sliding connection has the supporting legs in the first through-hole, sliding connection has the sucking disc in the second through-hole. The invention is suitable for soft ground, rough and hard ground and smooth and hard ground.

Description

On-spot mapping device is used to building engineering cost
Technical Field
The invention relates to the field of building surveying and mapping instruments, in particular to a site surveying and mapping device for construction engineering cost.
Background
Existing surveying instruments, such as theodolites and levels, are generally composed of a surveying instrument body, a base, and a support (tripod) mounted on the base. When the measuring point is positioned on the soft ground, the tripod can be inserted into the ground to fix the tripod and the ground, and when the measuring point is positioned on the rough and hard ground, the tripod is fixed with the ground by means of the friction force between the top end of the bottom of the tripod and the ground. However, when the measuring point is located on a smooth and hard ground (such as a tile ground), the fixing mode is not firm, the fixing between the tripod and the ground is not firm only by means of the friction force between the bottom tip of the tripod and the ground, the bottom tip of the tripod is particularly easy to shift on the tile ground, and the bottom tip of the tripod can cause irreparable damage to the tile ground, so that the fixing mode of the tripod on the tile ground cannot be basically used, and the application range of the existing surveying and mapping instrument is limited.
Disclosure of Invention
The invention aims to provide a site surveying and mapping device for construction cost of building engineering, which is suitable for soft ground, rough and hard ground and smooth and hard ground.
In order to achieve the purpose, the invention adopts the following technical scheme:
a field surveying and mapping device for construction engineering cost comprises a surveying and mapping instrument body, a base, support legs arranged on the base and an annular base; the support leg comprises an inclined rod and a vertical rod which are hinged with each other, a collet chuck for inserting the vertical rod of the support leg is arranged on the annular base, the collet chuck is of a cylindrical tubular structure formed by alternately splicing a plurality of rigid arc plates and a plurality of hollow elastic arc plates, a plurality of first through holes and a plurality of second through holes which are distributed along the circumferential direction of the annular base are arranged on the annular base, a bidirectional suction and exhaust fan is arranged on the annular base, the air inlet end of the bidirectional suction and exhaust fan is communicated with the hollow elastic arc plates in the collet chucks, the air outlet end of the bidirectional suction and exhaust fan is communicated with a first pipeline and a second pipeline, a first valve is arranged on the first pipeline, a second valve is arranged on the second pipeline, the first pipeline is also communicated with a pressure relief air bag, a pressure relief valve is arranged at the air inlet of the pressure relief air bag, the first pipeline is communicated with the first through holes, the second pipeline is communicated with the, the second through hole is connected with a sucker in a sliding mode.
The principle of the scheme is as follows:
the annular base is used for contacting with the ground; the collet chuck is used for pressing from both sides the montant of tight stabilizer blade, because the collet chuck is formed by a plurality of rigidity arc boards and the concatenation of hollow elasticity arc board, be full of the air in each hollow elasticity arc board in the collet chuck, the internal gas pressure increase of hollow elasticity arc board, hollow elasticity arc board produces and warp, make the grow of collet chuck internal diameter, be convenient for the montant of stabilizer blade insert in the collet chuck, also be convenient for insert the montant in the collet chuck and take out from the collet chuck, relatively, after the air discharge in each hollow elasticity arc board, the internal gas pressure diminishes in each hollow elasticity arc board, produce the shrink in each hollow elasticity arc board, make the collet chuck internal diameter diminish, thereby realize the collet chuck to the clamp of the montant of stabilizer blade. The bidirectional suction and exhaust fan is used for realizing the air flow between the hollow elastic arc plates of the collets and the first pipeline and between the hollow elastic arc plates of the collets and the second pipeline respectively.
When the measuring point is positioned on the soft ground, the annular base is firstly arranged on the ground measuring point, the measuring point is approximately positioned at the center of the annular base, then the vertical rod of each supporting foot is inserted into each collet chuck, the second valve on the second pipeline is closed at the moment, the first valve on the first pipeline is opened, meanwhile, a pressure relief valve at the air inlet of the pressure relief air bag is closed, so that the bidirectional suction and exhaust fan is communicated with the first pipeline, the second pipeline is not communicated with the bidirectional suction and exhaust fan, the bidirectional suction and exhaust fan sucks air in the hollow elastic arc plates in the collet chucks into the first pipeline, the inner diameter of the collet chucks is reduced, and the support legs inserted into the collet chucks are clamped tightly, because the first pipelines are communicated with all the first through holes, the air entering the first pipelines enters all the first through holes to push the supporting feet in all the first through holes to move downwards, the supporting legs are inserted into the stratum of the soft ground, and the whole annular base is fixed with the soft ground.
When the measuring point is positioned on the rough and hard ground, the second valve on the second pipeline is closed, the first valve on the first pipeline is opened, simultaneously, a pressure relief valve at the air inlet of the pressure relief air bag is opened, air exhausted from the bidirectional suction and exhaust fan simultaneously enters each first through hole and the pressure relief air bag, because the measuring points are positioned on the hard ground, each supporting leg can not be inserted into the ground, the pressure relief air bag can avoid that the whole annular base is lifted up due to excessive air entering each first through hole and excessive air pressure in the first through hole, so that the annular base is not contacted with the ground any more, and because a part of gas can still enter the first through hole, the supporting leg in the first through hole can still move downwards for a certain distance, the supporting legs are in contact with the rough and hard ground, and the fixing firmness between the annular base and the rough and hard ground is increased.
When the measuring point is positioned on the smooth and hard ground, the first valve on the first pipeline is closed and the second valve on the second pipeline is opened when the measuring point is used, at the moment, the second pipeline is communicated with the bidirectional suction and exhaust fan, the first pipeline is not communicated with the bidirectional suction and exhaust fan, the bidirectional suction and exhaust fan sucks air in the hollow elastic arc plate in each collet chuck into the second pipeline, the inner diameter of each collet chuck is reduced, clamping of support legs inserted into the collet chucks is realized, because the second pipeline is communicated with each second through hole, the air entering the second pipeline enters each second through hole, the suction cups in each second through hole are pushed to move downwards, so that the suction cups are contacted with the smooth and hard ground, the suction cups continue to move downwards, the air in the suction cups is squeezed out, each suction cup is tightly adsorbed with the smooth and hard ground, the annular base is always contacted with the smooth and hard ground, and the contact area between the annular base and the ground is large, therefore, the friction force between the ground and the annular base is large, and the fixation between the whole annular base and the smooth and hard ground is realized.
This scheme of adoption can reach following technological effect:
1. the surveying instrument can be used under the three ground conditions of soft ground, rough and hard ground and smooth and hard ground, and the universality is high.
2. The supporting legs are inserted into the soft ground and the sucking discs adsorb the smooth and hard ground by utilizing the air in the hollow elastic arc plates in the collet chuck for clamping the supporting legs, on one hand, the supporting legs are not required to be inserted into the ground by utilizing external power (manpower), and on the other hand, the fixing effect between the whole annular base and the smooth ground can be better under the action of the sucking discs.
Furthermore, a plurality of rigid arc plates in the collet chuck are respectively connected with the upper surface of the annular base in a sliding manner, and the sliding direction of the rigid arc plates is along the radial direction of the collet chuck. The rigid arc plate slides along the radial direction of the collet chuck, so that the collet chuck can keep cylindrical shape when being deformed integrally.
Furthermore, a measuring point positioning mechanism is further arranged in the round hole of the annular base and comprises a positioning ring positioned on the inner side of the annular base, the positioning ring and the annular base are arranged concentrically, and the positioning ring is connected with the inner wall of the annular base through a fixing frame. When the positioning ring is used, the positioning ring is placed at a ground measuring point, and the center of the annular base can be coincided with the measuring point.
Further, the lower surface of the annular base is provided with a rubber layer. The rubber layer can further increase the frictional force between the annular base and the ground, so that the annular base and the ground are more firmly fixed.
Further, the number of the legs is at least three. At least three legs can stabilize the base supported on each leg.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
fig. 4 is a cross-sectional view C-C of fig. 3.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the surveying instrument comprises a surveying instrument body 1, a base 2, support legs 3, an inclined rod 301, a vertical rod 302, a collet chuck 4, a rigid arc plate 401, a hollow elastic arc plate 402, a sliding groove 40, an annular base 5, a first through hole 510, a first piston 511, support legs 512, an annular hole 513, a second through hole 520, a suction cup 521, a second piston 522, a second annular hole 523, a fixing frame 6, a positioning ring 7, a first pipeline 8, a first valve 81, a second pipeline 9, a second valve 91, a hose 10, a bidirectional suction and exhaust fan 11, a pressure relief air bag 12 and a pressure relief valve 13.
As shown in figures 1 and 2, the on-site surveying and mapping device for the construction cost of the building engineering comprises a surveying and mapping instrument body 1, a base 2, support legs 3 and an annular base 5, wherein a rubber layer is arranged on the lower surface of the annular base 5, a measuring point positioning mechanism is further arranged in a round hole of the annular base 5 and comprises a positioning ring 7 located on the inner side of the annular base 5, the positioning ring 7 and the annular base 5 are concentrically arranged, and the positioning ring 7 is connected with the inner wall of the annular base 5 through a fixing frame 6.
3 quantity of stabilizer blade is three at least, 3 quantity of stabilizer blade are three in this embodiment, 3 stabilizer blade include through round pin axle articulated down tube 301 and montant 302, be equipped with on the annular base 5 and supply the montant 302 of three stabilizer blade 3 three collet chuck 4 that insert respectively, collet chuck 4 is the cylinder tubular structure that forms by the alternative concatenation of a plurality of rigidity arc board 401 and a plurality of hollow elasticity arc board 402, rigidity arc board 401 material is the stainless steel, hollow elasticity arc board 402 material is elastic rubber, a plurality of rigidity arc board 401 in the collet chuck 4 respectively with annular base 5 upper surface sliding connection, and rigidity arc board 401's slip direction is along collet chuck 4 radially, sliding connection's concrete mode is: the upper surface of the annular base 5 is provided with a sliding groove 40, and the lower surface of the rigid arc plate 401 is provided with a sliding block capable of sliding in the sliding groove 40. Referring to fig. 3 and 4, the annular base 5 is provided with three first through holes 510 and three second through holes 520 which are distributed along the circumferential direction of the annular base 5, the inner wall of the annular base 5 is provided with a bidirectional suction and exhaust fan 11, the air inlet end of the bidirectional suction and exhaust fan 11 is communicated with the hollow elastic arc plate 402 in each collet 4 through a hose 10, the air outlet end of the bidirectional suction and exhaust fan 11 is communicated with a first pipeline 8 and a second pipeline 9, the first pipeline 8 is provided with a first valve 81, the second pipeline 9 is provided with a second valve 91, the first pipeline 8 is further communicated with a pressure relief air bag 12, the air inlet of the pressure relief air bag 12 is provided with a pressure relief valve 13, the first pipeline 8 is communicated with a first annular hole 513, the second pipeline 9 is communicated with a second annular hole 523, the first annular hole 513 is communicated with each first through hole 510, the second annular hole 523 is communicated with each second through hole 520, the first through hole 510 is connected with a first piston 511 in a sliding manner, the lower end surface of the first piston 511 is fixed with a supporting leg 512, the second through hole 520 is connected with a second piston 522 in a sliding manner, and the lower end surface of the second piston 522 is fixedly connected with a sucker 521.
The specific using process of the invention is as follows:
when the measuring point is located on the soft ground, the annular base 5 is firstly placed on the measuring point on the ground, the measuring point is located in the positioning ring 7, the vertical rod 302 of each support leg 3 is inserted into each collet 4, at the moment, the second valve 91 on the second pipeline 9 is closed, the first valve 81 on the first pipeline 8 is opened, the pressure relief valve 13 is closed, the two-way suction and exhaust fan 11 is communicated with the first pipeline 8, the second pipeline 9 is not communicated with the two-way suction and exhaust fan 11, the two-way suction and exhaust fan 11 sucks the air in the hollow elastic arc plates 402 in each collet 4 into the first pipeline 8, because the collet 4 is formed by splicing a plurality of rigid arc plates 401 and hollow elastic arc plates 402, after the air in each hollow elastic arc plate 402 is exhausted, the air pressure in each hollow elastic arc plate 402 is reduced, the hollow elastic arc plates 402 are contracted, the inner diameter of the collet 4 is reduced, and the vertical rod 302 of the support leg 3 inserted into the collet 4 is clamped tightly, the fixing between the foot 3 and the annular seat 5 is achieved. Because the first pipeline 8 is communicated with the first annular hole 513, air entering the first pipeline 8 enters the first annular hole 513 and then enters each first through hole 510 from the first annular hole 513, so that the air pressure in the first through holes 510 is increased, the supporting feet 512 in each first through hole 510 are pushed to move downwards, the supporting feet 512 are inserted into the stratum of the soft ground, and the whole annular base 5 is fixed to the soft ground. After the surveying instrument is used, the air in each first through hole 510 is sucked into the hollow elastic arc plate 402 of the collet 4 again by the bidirectional suction and exhaust fan 11, when each hollow elastic arc plate 402 in the collet 4 is filled with air, the air pressure in the hollow elastic arc plate 402 is increased, the hollow elastic arc plate 402 is deformed, the inner diameter of the collet 4 is increased, the vertical rod 302 of the support leg 3 is loosened by the collet 4, and at the moment, the vertical rod 302 of the support leg 3 is taken out of the collet 4.
When the station is located on a rough, hard floor, the second valve 91 on the second conduit 9 is closed, the first valve 81 on the first conduit 8 is opened, simultaneously, the pressure relief valve 13 at the air inlet of the pressure relief air bag 12 is opened, the air exhausted from the bidirectional suction and exhaust fan 11 simultaneously enters each first through hole 510 and the pressure relief air bag 12, because the measuring points are positioned on the hard ground, each supporting leg 512 can not be inserted into the ground, the pressure relief air bag 12 can avoid the problems that the whole annular base 5 is lifted up and the annular base 5 is not contacted with the ground any more due to excessive air entering each first through hole 510 and excessive air pressure in the first through hole 510, and since a portion of the gas can still enter the first through hole 510, the supporting leg 512 in the first through hole 510 can still move downward for a certain distance, the supporting legs 512 are contacted with the rough and hard ground, so as to increase the fixing firmness between the annular base 5 and the rough and hard ground.
When the measuring point is located on the smooth and hard ground, when in use, the first valve 81 on the first pipeline 8 is closed, the second valve 91 on the second pipeline 9 is opened, at the moment, the second pipeline 9 is communicated with the bidirectional suction and exhaust fan 11, the first pipeline 8 is not communicated with the bidirectional suction and exhaust fan 11, the bidirectional suction and exhaust fan 11 sucks the air in the hollow elastic arc plate 402 in each collet 4 into the second pipeline 9, the inner diameter of the collet 4 is reduced to clamp the support leg 3 inserted into the collet 4, the air entering the second pipeline 9 enters the second annular hole 523 and then enters each second annular hole 520 from the second annular hole 523 to push the suction cup 521 in each second through hole 520 to move downwards, so that the suction cup 521 is in contact with the smooth and hard ground, the suction cup 521 continues to move downwards, so that the air in the suction cup 521 is squeezed out, and each suction cup 521 is tightly adsorbed with the smooth and hard ground, in addition, the annular base 5 is always in contact with the smooth hard ground, the contact area between the annular base 5 and the ground is large, and the friction coefficient between the rubber layer on the bottom surface of the annular base 5 and the smooth ground is large, so that the friction force between the ground and the annular base 5 is large, and the fixation between the whole annular base 5 and the smooth hard ground is realized.
The invention can simultaneously realize the use of the surveying instrument on three ground conditions, namely a soft ground, a rough and hard ground and a smooth and hard ground, and has strong universality. When the support leg is used on the soft ground, the support leg 512 is inserted into the soft ground by using air in the hollow elastic arc plate 402 in the collet chuck 4 for clamping the support leg 3, and compared with the existing support leg 3 which needs to be inserted into the soft ground manually and forcibly, the manual labor amount is saved; when the fixing device is used on a smooth and hard ground, the sucking disc 521 is used for sucking the smooth and hard ground by utilizing the air in the hollow elastic arc plate 402 in the collet 4 of the clamping support leg 3, so that the fixing effect between the whole annular base 5 and the smooth ground is better; when the pressure relief air bag is used on a rough and hard ground, the pressure relief of each first through hole 510 is realized through the pressure relief air bag 12, and the problem that the whole annular base 5 is lifted up due to overlarge air pressure in the first through holes 510 can be avoided.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (5)

1. The utility model provides a building engineering is on-spot mapping device for cost, includes surveying instrument body, base and installs the stabilizer blade on the base, its characterized in that: the device also comprises an annular base; the support leg comprises an inclined rod and a vertical rod which are hinged with each other, a collet chuck for inserting the vertical rod of the support leg is arranged on the annular base, the collet chuck is of a cylindrical tubular structure formed by alternately splicing a plurality of rigid arc plates and a plurality of hollow elastic arc plates, a plurality of first through holes distributed along the circumferential direction of the annular base and a plurality of second through holes distributed along the circumferential direction of the annular base are arranged on the annular base, a bidirectional suction and exhaust fan is arranged on the annular base, the air inlet end of the bidirectional suction and exhaust fan is communicated with the hollow elastic arc plates in each collet chuck, the air outlet end of the bidirectional suction and exhaust fan is communicated with a first pipeline and a second pipeline, a first valve is arranged on the first pipeline, a second valve is arranged on the second pipeline, the second pipeline is also communicated with a pressure relief air bag, a pressure relief valve is arranged at the air inlet of the pressure relief air bag, and the first pipeline is communicated with each first through hole, the second pipeline is communicated with each second through hole, supporting legs are connected in the first through holes in a sliding mode, and suckers are connected in the second through holes in a sliding mode.
2. A construction cost on-site surveying and mapping apparatus according to claim 1, wherein: a plurality of rigid arc plates in the collet chuck are respectively connected with the upper surface of the annular base in a sliding mode, and the sliding direction of the rigid arc plates is along the radial direction of the collet chuck.
3. A construction cost on-site surveying and mapping apparatus according to claim 1 or 2, wherein: the measuring point positioning mechanism comprises a positioning ring positioned on the inner side of the annular base, the positioning ring and the annular base are arranged concentrically, and the positioning ring is connected with the inner wall of the annular base through a fixing frame.
4. A construction cost on-site surveying and mapping apparatus according to claim 3, wherein: the lower surface of the annular base is provided with a rubber layer.
5. A construction cost on-site surveying and mapping apparatus according to claim 1, wherein: the number of the supporting feet is at least three.
CN201811574229.0A 2018-12-21 2018-12-21 On-spot mapping device is used to building engineering cost Active CN109470225B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811574229.0A CN109470225B (en) 2018-12-21 2018-12-21 On-spot mapping device is used to building engineering cost

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811574229.0A CN109470225B (en) 2018-12-21 2018-12-21 On-spot mapping device is used to building engineering cost

Publications (2)

Publication Number Publication Date
CN109470225A CN109470225A (en) 2019-03-15
CN109470225B true CN109470225B (en) 2020-11-06

Family

ID=65676562

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811574229.0A Active CN109470225B (en) 2018-12-21 2018-12-21 On-spot mapping device is used to building engineering cost

Country Status (1)

Country Link
CN (1) CN109470225B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110473463B (en) * 2019-07-11 2021-06-25 四川传媒学院 Digital media propagation device applied to information and communication engineering
CN112648984B (en) * 2020-12-28 2023-05-12 广州工建工程咨询有限公司 On-spot survey and drawing device of building engineering cost

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205102829U (en) * 2015-11-20 2016-03-23 中国矿业大学 Simple level is fixed portable
CN206738905U (en) * 2017-05-31 2017-12-12 东北林业大学 Intelligent Single-Chip Based video monitoring apparatus support
CN206944990U (en) * 2017-06-26 2018-01-30 江苏鸿成工程项目管理有限公司 Sopwith staff
CN207047915U (en) * 2017-07-04 2018-02-27 王堃 A kind of civil engineering pile intensity detecting device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07238686A (en) * 1994-02-28 1995-09-12 Kyokuto Kogyo Kk Ceiling point marker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205102829U (en) * 2015-11-20 2016-03-23 中国矿业大学 Simple level is fixed portable
CN206738905U (en) * 2017-05-31 2017-12-12 东北林业大学 Intelligent Single-Chip Based video monitoring apparatus support
CN206944990U (en) * 2017-06-26 2018-01-30 江苏鸿成工程项目管理有限公司 Sopwith staff
CN207047915U (en) * 2017-07-04 2018-02-27 王堃 A kind of civil engineering pile intensity detecting device

Also Published As

Publication number Publication date
CN109470225A (en) 2019-03-15

Similar Documents

Publication Publication Date Title
CN109470225B (en) On-spot mapping device is used to building engineering cost
CN113108998A (en) Corrugated pipe sealing performance detection mechanism and detection platform comprising same
CN211599738U (en) Pipe strap with adjustable length
CN217978373U (en) Portable gas pipeline
CN212056107U (en) Supporting device capable of being effectively positioned and used for pipeline maintenance
CN109113311A (en) A kind of hand-held Machine for sticking ceramic tile of transportable card seam device
CN214518585U (en) Pipeline welding aligning centralizer
CN217815775U (en) Surveying and mapping equipment applicable to land surveying on different terrains
CN201349768Y (en) Supporting leg for being mounted on mounting bottom surface of furniture
CN210950225U (en) Combined pipe support capable of adjusting height of pipe middle or pipe bottom
CN107125101A (en) Rubber bowl fixing device and rubber collecting mechanism
CN210424410U (en) Novel data acquisition and transmission device
CN211252024U (en) A unable adjustment base for balloon arched door
CN213158785U (en) Connecting pipe protection fixing device
CN218327296U (en) Measuring instrument tripod with auxiliary supporting device
CN216812117U (en) Ponding pump dispatching conveying mechanism for water conservancy survey
CN214306303U (en) Figure mapping device
CN212866120U (en) Mud suction device for green construction of river channel
CN220600867U (en) Steady callus on sole with antiskid stable structure
CN214462289U (en) Floor tile laying device for building construction
CN216586610U (en) Building side slope antiskid
CN220230809U (en) Detection tool for detecting tightness of thermal pipeline
CN210662165U (en) Portable survey and drawing tripod
CN217003469U (en) Anti-settling structure of outdoor buried pipeline
EP2008564A3 (en) Hose adapter and vacuum cleaner having the same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230207

Address after: 401120 No.6 Furong Road, gaoxinyuan, northern New District, Yubei District, Chongqing

Patentee after: Chongqing Qiujing engineering cost Co.,Ltd.

Address before: 402260 No. 1 North and South Avenue, Binjiang new town, Jiangjin District, Chongqing.

Patentee before: CHONGQING VOCATIONAL INSTITUTE OF ENGINEERING

TR01 Transfer of patent right