CN-224230892-U - Bored concrete pile concrete placement elevation monitoring devices

CN224230892UCN 224230892 UCN224230892 UCN 224230892UCN-224230892-U

Abstract

The utility model discloses a bored pile concrete casting elevation monitoring device which comprises a workbench, wherein a plurality of supporting legs capable of adjusting the height are arranged at the lower end of the workbench, a cantilever and a cable winding and unwinding mechanism are fixed on the workbench, a wire scale of the cable winding and unwinding mechanism penetrates through the cantilever and is fixed with a monitoring head, a sonar sensor is arranged on the monitoring head, a gravity sensor is arranged on the cantilever, a first pulley is arranged on the gravity sensor, the wire scale is hung on the first pulley, a reader for reading the scale value of the wire scale is also arranged on the cantilever, one end of a sliding contact ring of the cable winding and unwinding mechanism is connected with the sonar sensor through the wire scale, and the other end of the sliding contact ring of the cable winding and unwinding mechanism is connected with a control terminal fixed on the workbench. Compared with the prior art, the utility model ensures that the concrete pouring elevation of the cast-in-place pile meets the design requirement through the sonar sensor and the gravity sensor by retracting the monitoring head through the cable retracting mechanism and confirming the descending position of the monitoring head through the wire scale and the reader.

Inventors

HE FANGYUAN
HU XUHUI
XIE MIN
Pan Chugui
ZHOU PU
YANG HAIFENG
YU SHUN

Assignees

中建五局土木工程有限公司

Dates

Publication Date: 20260512
Application Date: 20250613

Claims (10)

1. The utility model provides a bored concrete pile concrete placement elevation monitoring devices, its characterized in that, includes the workstation, the lower extreme of workstation is equipped with a plurality of landing legs that can height-adjusting, be fixed with cantilever and cable jack on the workstation, wire scale on the cable jack passes behind the cantilever and is fixed with the control head, be equipped with the sonar sensor on the control head, be equipped with gravity sensor on the cantilever, be equipped with first pulley on the gravity sensor, the wire scale is hung on first pulley, still be equipped with the reader that is used for reading the scale value of wire scale on the cantilever, cable jack's smooth touch ring one end is connected with the sonar sensor through the wire scale, and the other end is connected with the control terminal who fixes on the workstation.
2. The bored pile concrete casting elevation monitoring device according to claim 1, wherein the cable take-up and pay-off mechanism comprises a motor and a wire spool, the wire scale is wound on the wire spool, the sliding contact ring is arranged on the wire spool, and the motor drives the wire spool to rotate.
3. The bored pile concrete casting elevation monitoring device according to claim 2, wherein the wire scale comprises a flexible rule, wires are fixed on the flexible rule, and the wires are connected with a sliding contact ring.
4. The bored pile concrete casting elevation monitoring device according to claim 3, wherein the cantilever is of an L-shaped structure, a second pulley is rotatably arranged in the cantilever, and a wire scale on the wire reel is fixed with the monitoring head through the second pulley and the first pulley.
5. The bored pile concrete casting elevation monitoring apparatus of claim 1, wherein a level is provided on the table, and the level is connected with the table by a ball joint.
6. The bored pile concrete casting elevation monitoring device according to claim 1, wherein a mobile power supply is further arranged on the workbench, and the mobile power supply provides power for a control terminal, a gravity sensor, a sonar sensor and a reader.
7. The bored pile concrete casting elevation monitoring apparatus of claim 6, wherein a protective cover is fixed on the workbench, and the control terminal and the mobile power supply are located in the protective cover.
8. A bored pile concrete casting elevation monitoring device according to claim 3, wherein the monitoring head is a conical disc, the sonar sensor is arranged at the bottom of the conical disc, and the wire of the wire scale passes through the wire hole of the conical disc to be connected with the sonar sensor.
9. The bored pile concrete casting elevation monitoring apparatus according to claim 1, wherein the upper end of the cantilever is rotatably provided with a hexagonal prism.
10. The bored pile concrete casting elevation monitoring device according to claim 1, wherein the supporting leg comprises a telescopic rod, the upper end of the telescopic rod is hinged to the bottom of the workbench, a locking screw is arranged on the telescopic rod, and the lower end of the telescopic rod is sharp.

Description

Bored concrete pile concrete placement elevation monitoring devices Technical Field The utility model relates to the technical field of bored pile elevation monitoring, in particular to a bored pile concrete casting elevation monitoring device. Background In the field of bored piles, bored piles are widely applied because of the advantages of wide application range, low construction noise and the like, in the process of bored pile construction, the bored piles are poured from the bottom of a hole sequentially upwards by using a guide pipe, according to different design functions and actual on-site construction conditions, such as pile foundation construction before earth excavation, pile foundation construction after a construction platform is filled under the limit of on-site conditions, pile top elevation of the bored piles is always located at a deeper position in the hole, and the final concrete pouring elevation is difficult to control. The prior art mainly utilizes a measuring rope to carry out measurement control, is influenced by the timeliness of measurement, has larger randomness, is easy to cause the condition of excessive or insufficient filling, also utilizes a rod piece fixed on a pile casing and a lower tray measurement technology, is limited in application and troublesome in operation when the pile top is positioned in a hole, and is simultaneously controlled by a risk of inaccurate control caused by the displacement of the pile casing in the concrete pouring process, and is controlled by a floating rod technology, which is greatly influenced by sediment or a mixture of concrete and slurry, and has larger measurement result deviation. Disclosure of utility model The utility model provides a bored pile concrete casting elevation monitoring device which is used for solving the problem that the concrete final casting elevation is difficult to control. The utility model provides a bored pile concrete casting elevation monitoring device which comprises a workbench, wherein the lower end of the workbench is provided with a plurality of supporting legs capable of adjusting the height, a cantilever and a cable winding and unwinding mechanism are fixed on the workbench, a wire scale on the cable winding and unwinding mechanism passes through the cantilever and is then fixed with a monitoring head, a sonar sensor is arranged on the monitoring head, a gravity sensor is arranged on the cantilever, a first pulley is arranged on the gravity sensor, the wire scale is hung on the first pulley, a reader for reading the scale value of the wire scale is also arranged on the cantilever, one end of a sliding contact ring of the cable winding and unwinding mechanism is connected with the sonar sensor through the wire scale, and the other end of the sliding contact ring is connected with a control terminal fixed on the workbench. Preferably, the cable winding and unwinding mechanism comprises a motor and a wire spool, the wire scale is wound on the wire spool, the sliding contact ring is arranged on the wire spool, and the motor drives the wire spool to rotate. Preferably, the wire scale comprises a flexible rule, wherein a wire is fixed on the flexible rule and is connected with the sliding contact ring. Preferably, the cantilever is L-shaped structure, the cantilever is internally rotated and is provided with a second pulley, and the wire scale on the wire reel is fixed with the monitoring head through the second pulley and the first pulley. Preferably, the workbench is provided with a level, and the level is connected with the workbench through a spherical hinge. Preferably, the workbench is also provided with a mobile power supply, and the mobile power supply provides power for the control terminal, the gravity sensor, the sonar sensor and the reader. Preferably, a protective cover is fixed on the workbench, and the control terminal and the mobile power supply are positioned in the protective cover. Preferably, the monitoring head is a conical disc, the sonar sensor is arranged at the bottom of the conical disc, and the wires of the wire ruler penetrate through wire holes of the conical disc to be connected with the sonar sensor. Preferably, the upper end of the cantilever is rotatably provided with a hexagonal prism. Preferably, the landing leg comprises a telescopic rod, the upper end of the telescopic rod is hinged to the bottom of the workbench, a locking screw is arranged on the telescopic rod, and the lower end of the telescopic rod is sharp. Compared with the prior art, the utility model ensures the lowering position of the monitoring head through the coordination of the wire scale and the reader and ensures the casting elevation of the cast-in-place pile concrete to meet the design requirement through the coordination of the sonar sensor and the gravity sensor, and can effectively ensure the casting speed during the casting in the early stage of the design and effectively control the casting quantity i