CN112127364A - Pile head over-filling monitoring device for cast-in-place pile - Google Patents
Pile head over-filling monitoring device for cast-in-place pile Download PDFInfo
- Publication number
- CN112127364A CN112127364A CN202011098794.1A CN202011098794A CN112127364A CN 112127364 A CN112127364 A CN 112127364A CN 202011098794 A CN202011098794 A CN 202011098794A CN 112127364 A CN112127364 A CN 112127364A
- Authority
- CN
- China
- Prior art keywords
- measuring
- gear
- monitoring device
- cast
- measuring rod
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/06—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers for observation while placing
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
Abstract
The invention discloses a monitoring device for excessive filling of a pile head of a filling pile, which belongs to the field of filling monitoring devices and comprises a suspension component and a measurement component. The suspension component comprises a base and an air cushion, the air cushion is fixed at the bottom of the base, a first slot is formed in the base, and first through holes are formed in the bottom of the first slot and the air cushion. The measuring component comprises a measuring cylinder, a measuring rod, a main floating ball, a counterweight ball, a pulley, a gear and a turn number sensor. The measuring rod and the main floating ball in the measuring part sink into the water, and the main floating ball falls onto the surface of the poured concrete. The concrete that rises is with main floater jack-up, and main floater rises together with the measuring stick, and the in-process measuring stick that the measuring stick rises drives the gear rotatory, and the number of turns sensor with gear connection can detect gear revolve's number of turns. Can be in order to obtain the height that the measurement rises through the gear rotation number of turns and gear external diameter, make things convenient for constructor to learn the condition under water, avoid appearing irritating less or surpassing the phenomenon of irritating and take place, improve the accuracy of construction.
Description
Technical Field
The invention belongs to the field of filling monitoring devices, and particularly relates to a filling pile head over-filling monitoring device.
Background
The cast-in-situ bored pile has mature construction process and high bearing capacity, is suitable for foundations of various geological soil layers, and is widely applied to structural foundations of buildings, municipal public works, highway water transportation, railways, water conservancy and other projects. The pile foundation is used as the main bearing structure of the upper structure, and the construction quality control of the pile head of the cast-in-place pile foundation is particularly important. If the filling length of the virtual pile is insufficient, the quality of the pile head is directly influenced, and the large quality safety hidden danger exists, and the excessive filling of the virtual pile can cause resource waste, especially under the condition that the number of pile foundations is large, the resource is seriously wasted. Meanwhile, the pile foundation of the over-irrigation can increase the difficulty of pile head breaking in the later period.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a pile head over-grouting monitoring device for a cast-in-place pile, which can conveniently and intuitively display the height of underwater concrete pouring, is convenient for construction personnel to know the condition, avoids the occurrence of less pouring or over-pouring and improves the construction accuracy.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a monitoring device for excessive filling of a pile head of a filling pile. The suspension component comprises a base and an air cushion, the air cushion is fixed to the bottom of the base, a first slot is formed in the base, and first through holes are formed in the bottom of the first slot and the air cushion. The measuring part comprises a measuring barrel, a measuring rod, a main floating ball, a counterweight ball, a pulley, a gear and a circle number sensor, the measuring barrel is inserted into the first slot, a guide hole is vertically formed in the measuring barrel, the gear and the pulley are rotatably connected inside the measuring barrel, and the gear and the pulley are respectively located on the left side and the right side of the guide hole. The measuring rod is inserted in the guide hole and extends to the lower part of the suspension component through the first through hole. One side of measuring stick sets up and is provided with the sawtooth, the gear with the sawtooth meshing, the pulley with the measuring stick laminating, number of turns sensor with the axial connection of gear is with measuring gear pivoted number of turns. The main floating ball is fixed at the bottom of the measuring rod, and the counterweight ball is fixed at the top of the measuring rod.
In a preferred technical scheme of the invention, the monitoring device for pile head over-filling of the cast-in-place pile further comprises a plurality of floating assisting blocks made of foam, and the plurality of floating assisting blocks are connected to the side wall of the base through supporting rods.
In a preferred technical scheme of the invention, the monitoring device for excess irrigation of the pile head of the cast-in-place pile further comprises a sponge ring for wiping moisture, the sponge ring is sleeved outside the measuring rod and fixed in the guide hole.
In a preferred technical scheme of the invention, the monitoring device for excessive filling of the pile head of the cast-in-place pile further comprises a pointer, the pointer is fixed at the top of the measuring cylinder, and the measuring rod is provided with scales.
In a preferred technical scheme of the invention, the interior of the main floating ball is hollow, an opening is arranged on the main floating ball, and a sealing cover is screwed on the opening.
In a preferred technical scheme of the invention, the monitoring device for pile head over-filling of the cast-in-place pile further comprises a plurality of secondary floating balls, the plurality of secondary floating balls are connected to the lower end of the measuring rod through a support rod, and the plurality of secondary floating balls are symmetrically arranged by taking the main floating ball as a center.
In a preferred technical scheme of the invention, a fixed arm fixed on the measuring cylinder is arranged on the base, one end of the fixed arm is hinged with the base, and the other end of the fixed arm is clamped on the measuring cylinder.
In a preferred technical scheme of the invention, the monitoring device for excessive filling of the pile head of the filling pile further comprises a fixed seat, a second slot is formed in the fixed seat, a second through hole communicated with the second slot is formed in the fixed seat, the measuring cylinder is in inserted fit with the second slot, and a fixing clamp is arranged on the side wall of the fixed seat.
The invention has the beneficial effects that:
according to the pile head over-pouring monitoring device for the cast-in-place pile, the measuring component can be suspended on the water surface through the suspension component, the measuring rod and the main floating ball in the measuring component sink into the water, and the main floating ball falls onto the surface of poured concrete. The concrete that rises is with main floater jack-up, and main floater rises together with the measuring stick, and the in-process measuring stick that the measuring stick rises drives the gear rotatory, and the number of turns sensor with gear connection can detect gear revolve's number of turns. Can be in order to obtain the height that the measurement rises through the gear rotation number of turns and gear external diameter, make things convenient for constructor to learn the condition under water, avoid appearing irritating less or surpassing the phenomenon of irritating and take place, improve the accuracy of construction.
Drawings
Fig. 1 is a schematic structural diagram of a monitoring device for monitoring excessive filling of a pile head of a cast-in-place pile according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fixing seat used by the monitoring device for monitoring the excessive filling of the pile head of the cast-in-place pile according to the embodiment of the invention;
fig. 3 is an enlarged view of I in fig. 1.
In the figure:
11. the air cushion comprises an air cushion body 12, a base 13, a first slot 14, a first through hole 15, a floating assisting block 16, a fixed arm 17, a pointer 21, a measuring cylinder 22, a counterweight ball 23, a measuring rod 24, a main floating ball 25 times, a gear 26, a gear 27, a turn number sensor 28, a pulley 29, a sawtooth 20, a guide hole 31, a fixed seat 32, a second slot 33, a second through hole 34 and a fixed clamp.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1-3, the embodiment provides a monitoring device for pile head over-filling of a cast-in-place pile, which comprises a suspension component and a measuring component. The suspension component comprises a base 12 and an air cushion 11, the air cushion 11 is fixed on the bottom of the base 12, a first slot 13 is formed on the base 12, and a first through hole 14 is formed on the bottom of the first slot 13 and the air cushion 11. The measuring part comprises a measuring cylinder 21, a measuring rod 23, a main floating ball 24, a counterweight ball 22, a pulley 28, a gear 26 and a turn number sensor 27, the measuring cylinder 21 is inserted into the first slot 13, a guide hole 20 is vertically formed in the measuring cylinder 21, the gear 26 and the pulley 28 are both rotatably connected inside the measuring cylinder 21, and the gear 26 and the pulley 28 are respectively positioned at the left side and the right side of the guide hole 20. The measuring rod 23 is inserted into the guide hole 20, and the measuring rod 23 extends through the first through hole 14 to below the suspension member. One side of the measuring rod 23 is provided with a saw tooth 29, the gear 26 is meshed with the saw tooth 29, the pulley 28 is attached to the measuring rod 23, and the turn number sensor 27 is axially connected with the gear 26 to measure the turn number of the gear 26 in rotation. The main floating ball 24 is fixed at the bottom of the measuring rod 23, and the counterweight ball 22 is fixed at the top of the measuring rod 23.
According to the field environment and the actual water depth, the proper main floating ball 24 is selected, so that the main floating ball 24 can float on the surface of the concrete. The device is placed on the surface of the water to be filled, and the main floating ball 24 and the measuring rod 23 are sunk into the water. The main ball 24 falls to the surface of the underwater concrete. The air cushion 11 at the bottom of the base 12 is filled with air to provide buoyancy for the base 12 to float on the water. The counterweight ball 22 presses down the measuring rod 23, so that the main floating ball 24 does not rise due to too much buoyancy. Concrete is poured to the bottom of the water through the pipeline, the concrete at the bottom of the water is higher and higher, the main floating ball 24 is lifted by the concrete, and then the measuring rod 23 can also rise. During the upward movement of the measuring rod 23, the saw teeth 29 on the rod drive the gear 26 to rotate. The number of revolutions of the gear wheel 26 is recorded by the number of revolutions sensor 27. The number of turns sensor 27 in this embodiment can be a tachometer motor, a hall sensor, an inductive pulse coil, or other angular sensors capable of measuring the number of turns of the gear 26. When the measuring rod 23 moves up and down, the measuring rod 23 is rotatably connected with the pulley 28, the measuring rod 23 can move more smoothly due to sliding, and after the rotating angle of the gear 26 is obtained by measuring the circumference of the gear 26 in advance, the moving distance of the measuring rod 23, namely the rising height of the underwater concrete, can be obtained through calculation. The number of turns sensor 27 passes through the communication module with the data that record and conveys to the constructor's on bank computer on, and constructor can realize long-range control, can in time stop pouring when monitoring the concrete height and be close to the design value, avoids the emergence of the phenomenon of irritating excessively, both reduces extravagantly and provides convenience for follow-up construction.
In one embodiment of the present invention, the monitoring device for excessive filling of pile head of cast-in-place pile further comprises a plurality of floating-assisting blocks 15 made of foam, and the plurality of floating-assisting blocks 15 are connected to the side wall of the base 12 through struts. The floating-assistant block 15 increases the cross section of the device contacting with the water surface, so that the whole device is more stable when floating on the water surface, is not easy to shake and overturn, and improves the stability.
In an embodiment of the present invention, the monitoring device for excessive filling of a pile head of a cast-in-place pile further includes a sponge ring 18 for wiping moisture, the sponge ring 18 is sleeved outside the measuring rod 23, and the sponge ring 18 is fixed in the guide hole 20. When the measuring rod 23 rises from the water surface, moisture is carried on the rod, and when the measuring rod passes through the sponge ring 18, the attached moisture is absorbed by the sponge ring 18, so that the measuring rod becomes relatively dry, and the moisture is prevented from affecting other parts.
In an embodiment of the invention, the monitoring device for excessive filling of the pile head of the cast-in-place pile further comprises a pointer 17, the pointer 17 is fixed at the top of the measuring cylinder 21, and the measuring rod 23 is provided with scales. Through the cooperation of pointer 17 and scale, make the on-the-spot constructor can see the rise height of measuring stick 23 directly perceivedly, make things convenient for it to make the judgement, in time stop filling, avoid the super-irrigation.
In one embodiment of the present invention, the main floating ball 24 is hollow, and the main floating ball 24 is provided with an opening, and a sealing cover is screwed on the opening. The sealing cover can be opened to fill weights such as a balancing weight and the like in the main floating ball 24, and the underwater stress of the floating ball is adjusted, so that the floating ball can keep floating on the surface of concrete in different environments.
In an embodiment of the present invention, the monitoring device for excessive filling of a pile head of a cast-in-place pile further includes a plurality of secondary floating balls 25, the plurality of secondary floating balls 25 are connected to the lower end of the measuring rod 23 through a support rod, and the plurality of secondary floating balls 25 are symmetrically arranged with the main floating ball 24 as a center. The plurality of secondary floating balls 25 increase the bottom stress surface of the measuring rod 23, and the condition that the main floating ball 24 is too heavy to sink into concrete is avoided.
In one embodiment of the present invention, the base 12 is provided with a fixed arm 16 fixed on the measuring cylinder 21, one end of the fixed arm 16 is hinged to the base 12, and the other end of the fixed arm 16 is clamped on the measuring cylinder 21. When the measuring cylinder 21 is inserted into the first slot 13, the fixing arm 16 is rotated to fasten the measuring cylinder 21, so as to prevent the measuring cylinder 21 from falling off during use.
In an embodiment of the present invention, the monitoring device for monitoring excessive filling of a pile head of a cast-in-place pile further includes a fixing seat 31, the fixing seat 31 is provided with a second slot 32, the fixing seat 31 is provided with a second through hole 33 communicated with the second slot 32, the measuring cylinder 21 is in inserting fit with the second slot 32, and a fixing clip 34 is disposed on a side wall of the fixing seat 31. Under the fixed condition, the measuring cylinder 21 can be drawn out from the first slot 13 and inserted into the second slot 32 of the fixed seat 31, so as to realize the fixed measurement. The fixing clamp 34 of the fixing seat 31 is clamped on a fixed object, if the wall of the protective barrel used in pouring is used, the fixing measurement is more stable, the collected data are more accurate, and the rising height of the measuring rod 23 can be more truly reflected.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (8)
1. The utility model provides a bored concrete pile head monitoring device that excessively irritates which characterized in that: comprises a suspension component and a measurement component;
the suspension component comprises a base (12) and an air cushion (11), the air cushion (11) is fixed at the bottom of the base (12), a first slot (13) is formed in the base (12), and first through holes (14) are formed in the bottom of the first slot (13) and the air cushion (11);
the measuring component comprises a measuring cylinder (21), a measuring rod (23), a main floating ball (24), a counterweight ball (22), a pulley (28), a gear (26) and a turn number sensor (27);
the measuring cylinder (21) is inserted into the first slot (13),
a guide hole (20) is vertically formed in the measuring cylinder (21), the gear (26) and the pulley (28) are rotatably connected to the inside of the measuring cylinder (21), and the gear (26) and the pulley (28) are respectively positioned on the left side and the right side of the guide hole (20);
the measuring rod (23) is inserted into the guide hole (20), and the measuring rod (23) passes through the first through hole (14) and extends to the position below the suspension component;
saw teeth (29) are arranged on one side of the measuring rod (23), the gear (26) is meshed with the saw teeth (29), the pulley (28) is attached to the measuring rod (23), and the turn number sensor (27) is axially connected with the gear (26) to measure the turn number of the gear (26) in rotation;
the main floating ball (24) is fixed at the bottom of the measuring rod (23), and the counterweight ball (22) is fixed at the top of the measuring rod (23).
2. The monitoring device for excessive filling of the pile head of the cast-in-place pile according to claim 1, characterized in that:
the floating type solar water heater is characterized by further comprising a plurality of floating assisting blocks (15) made of foam, and the floating assisting blocks (15) are connected to the side wall of the base (12) through supporting rods.
3. The monitoring device for excessive filling of the pile head of the cast-in-place pile according to claim 1, characterized in that:
the moisture wiping device is characterized by further comprising a sponge ring (18) used for wiping moisture, wherein the sponge ring (18) is sleeved outside the measuring rod (23), and the sponge ring (18) is fixed in the guide hole (20).
4. The monitoring device for excessive filling of the pile head of the cast-in-place pile according to claim 1, characterized in that:
the measuring device is characterized by further comprising a pointer (17), wherein the pointer (17) is fixed to the top of the measuring cylinder (21), and scales are arranged on the measuring rod (23).
5. The monitoring device for excessive filling of the pile head of the cast-in-place pile according to claim 1, characterized in that:
the interior of the main floating ball (24) is hollow, an opening is formed in the main floating ball (24), and a sealing cover is screwed on the opening.
6. The monitoring device for excessive filling of the pile head of the cast-in-place pile according to claim 1, characterized in that:
the measuring device is characterized by further comprising a plurality of secondary floating balls (25), the secondary floating balls (25) are connected to the lower end of the measuring rod (23) through supporting rods, and the secondary floating balls (25) are symmetrically arranged with the main floating ball (24) as the center.
7. The monitoring device for excessive filling of the pile head of the cast-in-place pile according to claim 1, characterized in that:
be provided with on base (12) and be fixed in fixed arm (16) of a measuring section of thick bamboo (21), fixed arm (16) one end articulated with on base (12), fixed arm (16) other end joint in on a measuring section of thick bamboo (21).
8. The monitoring device for excessive filling of the pile head of the cast-in-place pile according to claim 1, characterized in that:
the measuring device is characterized by further comprising a fixing seat (31), wherein a second slot (32) is formed in the fixing seat (31), a second through hole (33) communicated with the second slot (32) is formed in the fixing seat (31), the measuring cylinder (21) is in plug-in fit with the second slot (32), and a fixing clamp (34) is arranged on the side wall of the fixing seat (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011098794.1A CN112127364B (en) | 2020-10-14 | 2020-10-14 | Pile head over-filling monitoring device for cast-in-place pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011098794.1A CN112127364B (en) | 2020-10-14 | 2020-10-14 | Pile head over-filling monitoring device for cast-in-place pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112127364A true CN112127364A (en) | 2020-12-25 |
| CN112127364B CN112127364B (en) | 2022-12-20 |
Family
ID=73852946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011098794.1A Active CN112127364B (en) | 2020-10-14 | 2020-10-14 | Pile head over-filling monitoring device for cast-in-place pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112127364B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006165A (en) * | 2021-03-05 | 2021-06-22 | 广州市市政集团有限公司 | Bored concrete pile surpasses irritates monitoring device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200992706Y (en) * | 2006-12-01 | 2007-12-19 | 中国建筑材料科学研究总院 | Cast-in-place pile concrete casting-depth detecting device |
| CN102286970A (en) * | 2011-06-24 | 2011-12-21 | 毕建东 | Whole process construction method of driven cast-in-place piles and special device for same |
| JP2015007321A (en) * | 2013-06-25 | 2015-01-15 | 鹿島建設株式会社 | Bearing layer penetration detector for cast-in-place pile |
| CN107288161A (en) * | 2017-06-30 | 2017-10-24 | 中北大学 | A kind of devices and methods therefor superfilled for the energy automatic detection concrete of bored concrete pile |
| JP2018135657A (en) * | 2017-02-21 | 2018-08-30 | 株式会社安藤・間 | Compaction device for concrete pile and management method for installation of concrete pile |
| CN109339037A (en) * | 2018-11-15 | 2019-02-15 | 中地君豪建筑工程有限公司 | Judge cast-in-situ bored pile filling concrete height whether device and method in place |
| CN109440841A (en) * | 2018-12-19 | 2019-03-08 | 中铁上海工程局集团有限公司 | A kind of cast-in-situ bored pile stake top concrete elevation control device |
| CN109989433A (en) * | 2019-03-29 | 2019-07-09 | 中交天津港湾工程研究院有限公司 | A kind of device and its detection method of the superfilled height of real-time detection cast-in-situ bored pile |
| CN209907449U (en) * | 2019-01-25 | 2020-01-07 | 南京桥新建设有限公司 | Bored concrete pile hole bottom sediment thickness detection device |
| JP2020159004A (en) * | 2019-03-26 | 2020-10-01 | 株式会社大林組 | Finished shape management device |
-
2020
- 2020-10-14 CN CN202011098794.1A patent/CN112127364B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200992706Y (en) * | 2006-12-01 | 2007-12-19 | 中国建筑材料科学研究总院 | Cast-in-place pile concrete casting-depth detecting device |
| CN102286970A (en) * | 2011-06-24 | 2011-12-21 | 毕建东 | Whole process construction method of driven cast-in-place piles and special device for same |
| JP2015007321A (en) * | 2013-06-25 | 2015-01-15 | 鹿島建設株式会社 | Bearing layer penetration detector for cast-in-place pile |
| JP2018135657A (en) * | 2017-02-21 | 2018-08-30 | 株式会社安藤・間 | Compaction device for concrete pile and management method for installation of concrete pile |
| CN107288161A (en) * | 2017-06-30 | 2017-10-24 | 中北大学 | A kind of devices and methods therefor superfilled for the energy automatic detection concrete of bored concrete pile |
| CN109339037A (en) * | 2018-11-15 | 2019-02-15 | 中地君豪建筑工程有限公司 | Judge cast-in-situ bored pile filling concrete height whether device and method in place |
| CN109440841A (en) * | 2018-12-19 | 2019-03-08 | 中铁上海工程局集团有限公司 | A kind of cast-in-situ bored pile stake top concrete elevation control device |
| CN209907449U (en) * | 2019-01-25 | 2020-01-07 | 南京桥新建设有限公司 | Bored concrete pile hole bottom sediment thickness detection device |
| JP2020159004A (en) * | 2019-03-26 | 2020-10-01 | 株式会社大林組 | Finished shape management device |
| CN109989433A (en) * | 2019-03-29 | 2019-07-09 | 中交天津港湾工程研究院有限公司 | A kind of device and its detection method of the superfilled height of real-time detection cast-in-situ bored pile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006165A (en) * | 2021-03-05 | 2021-06-22 | 广州市市政集团有限公司 | Bored concrete pile surpasses irritates monitoring device |
| CN113006165B (en) * | 2021-03-05 | 2022-07-29 | 广州市市政集团有限公司 | Bored concrete pile surpasses irritates monitoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112127364B (en) | 2022-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112127364B (en) | Pile head over-filling monitoring device for cast-in-place pile | |
| CN111521217A (en) | Data acquisition device for hydrology and water resource investigation and evaluation | |
| CN114323810A (en) | Hydrogeology is with water level observation device | |
| CN212159840U (en) | River course rivers velocity of flow monitoring devices | |
| CN206804037U (en) | A kind of Shockproof type instrument and meter device | |
| CN105043357A (en) | Rod-type depth measuring instrument | |
| CN214333817U (en) | Building wall perpendicularity detection device | |
| CN206990065U (en) | A kind of hydraulic engineering condensate tank of dehumidifier | |
| CN213351889U (en) | Construction material grinding device is used in bridge construction | |
| CN212759836U (en) | Intelligent water meter with cleaning device | |
| CN115095746A (en) | Novel tunnel portal engineering earth's surface settlement deformation monitoring protection device | |
| CN210439337U (en) | Device for detecting height of cast-in-situ bored pile in excess irrigation in real time | |
| CN215891747U (en) | Hydrology and water resource monitor | |
| CN216669661U (en) | Water absorption measuring device | |
| CN113047348A (en) | Cast-in-place pile sediment thickness measuring scale and use method thereof | |
| CN111576505A (en) | Device and method for testing pile top position of concrete cast-in-place pile | |
| CN206192347U (en) | Slope measurement appearance for engineering construction | |
| CN220489881U (en) | Construction engineering is with multi-functional measuring tool | |
| CN220598525U (en) | Building foundation straightness detection device that hangs down | |
| CN219640913U (en) | Detection device for sediment thickness in foundation engineering construction | |
| CN218600543U (en) | Slope measuring instrument | |
| CN215261955U (en) | Water level measuring device suitable for hydraulic engineering | |
| CN215888361U (en) | Device for accurately measuring sediment thickness of cast-in-place pile | |
| CN208505432U (en) | A kind of simple foundation pit well-points dewatering well water level measuring arrangement | |
| CN219495372U (en) | Deep foundation pit groundwater change measuring device |
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 |