CN218027886U - Pile top height detection device of cast-in-situ bored pile - Google Patents

Abstract

The application relates to the technical field of cast-in-place pile construction, specifically discloses a pile bolck height detection device of bored cast-in-place pile, it includes the paying out reel seat, installs paying out machine structure on the paying out reel seat, sets up and serve and be used for detecting the position detection mechanism of cast-in-place pile bolck position and install the displacement measurement mechanism who is used for measuring paying out machine structure paying out wire end displacement on the paying out reel seat. In the paying out machine in this application can drive position detection mechanism and stretch into the drilling, at this in-process, displacement measurement mechanism can detect the displacement that position detection mechanism removed to measure the height of bored concrete pile top to ground, because the degree of depth of drilling is known, the degree of depth of drilling and the height difference value that bored concrete pile top to ground are the height of bored concrete pile in the drilling promptly, and this kind of measurement mode is simple convenient, has improved measuring efficiency.

Description

Pile top height detection device of cast-in-situ bored pile

Technical Field

The application relates to the technical field of cast-in-place pile construction, in particular to a pile top height detection device of a cast-in-place bored pile.

Background

The cast-in-situ bored pile is formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion or manual excavation, placing a reinforcement cage in the pile hole, and pouring concrete into the pile hole.

In the work progress of bored concrete pile, must pour according to the elevation of drawing, in order to guarantee the precision of follow-up construction and the structural strength of construction point, actually pour and must be unanimous with the elevation, consequently, pour the back in the completion, need carry out the elevation to the pile bolck of bored concrete pile and detect, the common way of watering in-process has: 1. a worker puts a measuring rope into the hole for measurement, a short steel bar is bound at the lower end of the measuring rope, and the worker judges whether the measuring rope touches the concrete pouring surface according to hand feeling, so that the elevation of the concrete surface is determined; 2. and (3) fixing a fishing spoon at the bottom end of the steel bar by using a long steel bar, judging whether the broken stone left on the fishing spoon is in-hole sediment or broken stone in concrete due to the fact that cement slurry is inconsistent with the components of the concrete after the fished material is washed by water, judging that the broken stone reaches the designed elevation if the fished broken stone is concrete residue, and continuing pouring if the fishing spoon hardly contains the concrete residue, thereby determining the concrete pouring height.

In view of the above-mentioned related art, the inventors found that at least the following technical drawbacks exist: when detecting the pouring height of concrete, the frequent multiple measurement of workman is required, has the technical defect that measurement efficiency is lower.

SUMMERY OF THE UTILITY MODEL

In order to improve measuring efficiency, this application provides a pile bolck height detecting device of bored concrete pile.

The application provides a pair of pile bolck height detection device of bored concrete pile adopts following technical scheme:

the utility model provides a high detection device in pile bolck of drilling bored concrete pile, includes the unwrapping wire seat, installs paying out machine structure on the unwrapping wire seat, setting are in the position detection mechanism who just is used for detecting bored concrete pile bolck position is served and is installed to paying out machine structure unwrapping wire is served and is used for measuring on the unwrapping wire seat the displacement measurement mechanism of paying out machine structure unwrapping wire end displacement.

Through adopting above-mentioned technical scheme, during initial condition, position detection mechanism is located the position that the drilling flushed, paying out machine constructs and can drive position detection mechanism and stretch into in the drilling, at this in-process, displacement measurement mechanism can detect the displacement that position detection mechanism removed, thereby measure the height that bored concrete pile pushes up to ground, because the degree of depth of drilling is known, the degree of depth of drilling and the height difference value that bored concrete pile pushes up to ground are the height of bored concrete pile in the drilling promptly, this kind of measurement mode is simple and convenient, the efficiency of measurement has been improved.

Optionally, the pay-off mechanism comprises a pay-off roller rotatably mounted on the pay-off seat, a pulling rope wound on the pay-off roller, and a driving assembly for driving the pay-off roller to take up and pay off the pulling rope;

when the pay-off roller rotates, the traction rope drives the detection part of the position detection mechanism to stretch into the drill hole to detect the pile top position of the cast-in-place pile, and the displacement measurement mechanism is used for measuring the displacement of the end part of the traction rope.

Through adopting above-mentioned technical scheme, under drive assembly's drive, the unwrapping wire roller can unreel the tractive line on the unwrapping wire roller for the position detection mechanism of tractive line tip can detect the pile bolck position of the bored concrete pile in the drilling, and meanwhile, displacement measurement mechanism can measure unreeling of unwrapping wire roller, thereby reachs the height that the tractive line descends in drilling, thereby surveys the height that the bored concrete pile bolck leaves ground.

Optionally, the position detection mechanism includes a pulling plate fixed at an end of the pulling rope, a pressure sensor arranged on a side of the pulling plate away from the pulling rope, and a controller arranged on the pay-off seat, and the controller is electrically connected with the driving assembly;

the pay-off seat of pay-off roller below has seted up the unwrapping wire mouth, draw plate with pressure sensor all is located the pay-off seat deviates from one side of pay-off roller, the draw rope passes behind the unwrapping wire mouth with draw plate fixed connection.

Through adopting above-mentioned technical scheme, when the tractive line drives the tractive board and descends in drilling, pressure sensor on the tractive board descends along with the tractive board together, pressure sensor can stretch into the laitance on bored concrete pile upper strata earlier, then with concrete looks butt, pressure sensor detects pressure this moment, pressure sensor gives the controller with pressure signal transmission this moment, controller control drive assembly stops, make the tractive line stop unreeling, utilize displacement measurement mechanism to measure the height that the tractive line descends this moment, thereby measure the height that the bored concrete pile top leaves ground, this kind of mode is simple swift, and measurement efficiency can improve.

Optionally, two mounting boxes are mounted on the pay-off seat at intervals, the two mounting boxes are arranged in a hollow manner, two shaft ends of the pay-off roller are rotatably mounted on the two mounting boxes respectively, and an observation port is formed in the top of one mounting box;

the displacement measurement mechanism comprises a tape, a pointer and a synchronization assembly, the tape is installed in the installation box where the observation port is located, scales on the tape are right opposite to the observation port, the pointer is installed in the observation port, the pointer and the scales on the tape are right opposite, the synchronization assembly is installed in the installation box where the observation port is located, and the synchronization assembly is used for driving the tape to synchronously unreel along with the rotation of the paying-off roller.

Through adopting above-mentioned technical scheme, when the unwrapping wire roller drives the drawplate and descends, pressure sensor on the drawplate can measure the height that the bored concrete pile top leaves ground, and this height is the height that the end of the guy rope descends promptly, also drives the distance that the tape measure removed for the unwrapping wire roller, reads out the change volume of scale on the tape measure through the pointer, can read out the distance that the bored concrete pile top arrived ground.

Optionally, the synchronization assembly includes an unwinding roller and a winding roller rotatably mounted on the inner wall of the mounting box where the observation port is located, and a reset piece mounted on the unwinding roller, a rotation axis of the unwinding roller is parallel to a rotation axis of the winding roller, the unwinding roller and the winding roller are coaxially fixed, and the tape measure is sequentially wound around the unwinding roller and the winding roller; when the winding roller unwinds the tape measure, the tape measure is rewound back to the unwinding roller under the driving of the resetting piece.

Through adopting above-mentioned technical scheme, when the unwrapping wire roller was unwrapped wire to the tractive rope, unwrapping wire roller axle head drove the wind-up roll and rotates to unreel the tape measure from unreeling the roller, the distance that the tape measure removed this moment equals the distance that the tractive rope descends, is the height on bored concrete pile top to ground promptly, it is worth explaining that, the thickness error of tractive rope rolling on the unwrapping wire roller can neglected, and the length that the tractive rope that the unwrapping wire roller rotated the round and unreeled keeps unchangeable promptly. When the height of the top of the cast-in-place pile to the ground is measured, the driving assembly drives the paying-off roller to wind the traction rope, and the tape measure is wound and played back on the winding roller again under the action of the reset piece.

Optionally, a pulling roller is rotatably mounted on the inner wall of the mounting box close to the observation port, the pulling roller is opposite to the observation port, the rotation axis of the pulling roller is parallel to the rotation axis of the winding roller, and the tape measure is sequentially wound on the unwinding roller, the pulling roller and the winding roller.

Through adopting above-mentioned technical scheme, the tractive roller can be with tape measure tractive to the position that is close to the pointer for error when utilizing the pointer to carry out the reading reduces.

Optionally, the pay-off seat deviates from a telescopic cylinder which is vertically provided with a plurality of stages of sequential sliding sleeves on one side of the pay-off roller, the traction plate is arranged at one end of the telescopic cylinder far away from the pay-off seat, and the traction rope is arranged in the inner cavity of the telescopic cylinder in a penetrating mode.

Through adopting above-mentioned technical scheme, the telescopic cylinder can lead pressure sensor's decline, makes pressure sensor's forced induction part can remain vertical decline throughout to make the data that measure more accurate, and the tractive rope is arranged in the telescopic cylinder inner chamber, reduced the influence that the tractive rope received external environment, and the last wire of pressure sensor can wear to establish in the telescopic cylinder inner chamber, also reduced the damage of external environment to the wire.

Optionally, an energy storage mechanism is further installed on the pay-off seat, and an output end of the energy storage mechanism is electrically connected with the controller, the driving assembly and the pressure sensor respectively.

Through adopting above-mentioned technical scheme, energy storage mechanism can supply energy to controller, drive assembly and pressure sensor, has reduced the loaded down with trivial details operation of connecting external power source for it is more convenient to measure.

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

1. the pay-off mechanism can drive the position detection mechanism to extend into the drill hole, and in the process, the displacement measurement mechanism can detect the displacement moved by the position detection mechanism, so that the height from the top of the cast-in-place pile to the ground is measured;

2. the pulling roller can pull the tape measure to a position close to the pointer, so that the error in reading by the pointer is reduced;

3. energy storage mechanism can supply energy to controller, drive assembly and pressure sensor, has reduced the loaded down with trivial details operation of connecting external power source for it is more convenient to measure.

Drawings

Fig. 1 is a schematic view of the overall structure of a pile top height detection device of a cast-in-situ bored pile according to an embodiment of the present invention.

Fig. 2 is a partial sectional view of a pile top height detecting apparatus of the cast-in-situ bored pile of fig. 1.

Reference numerals: 1. a pay-off seat; 11. mounting a box; 111. an observation port; 12. a wire releasing port; 2. a pay-off mechanism; 21. a pay-off roller; 22. a pulling rope; 23. a drive assembly; 231. a drive bevel gear; 232. a driven bevel gear; 233. a motor; 3. a position detection mechanism; 31. a drawplate; 32. a pressure sensor; 33. a controller; 4. a displacement measuring mechanism; 41. a tape measure; 42. a pointer; 43. a synchronization component; 431. unwinding rollers; 432. a wind-up roll; 5. a telescopic cylinder; 6. an energy storage mechanism; 7. and (4) pulling the roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses pile bolck height detection device of drilling bored concrete pile refers to fig. 1 and fig. 2, including unwrapping wire seat 1, install paying out machine structure 2 on unwrapping wire seat 1, set up and serve and be used for detecting the position detection mechanism 3 of 2 unwrapping wire end positions of bored concrete pile bolck and install the displacement measurement mechanism 4 that is used for measuring 2 unwrapping wire end displacements of paying out machine structure on unwrapping wire seat 1.

Referring to fig. 1, interval is fixed with two mounting boxes 11 on the seat of paying out 1, and two mounting boxes 11 cavity settings, two mounting boxes 11 parallel arrangement each other, and the equal perpendicular to of lateral wall of two mounting boxes 11 bottom of seat of paying out 1, have seted up wire releasing mouth 12 at seat of paying out 1 middle part.

Referring to fig. 1, the pay-off mechanism 2 comprises a pay-off roller 21 rotatably mounted between two mounting boxes 11, a pulling rope 22 wound on the pay-off roller 21, and a driving assembly 23 for driving the pay-off roller 21 to take up and pay off the pulling rope 22; the driving assembly 23 comprises a driving bevel gear 231, a driven bevel gear 232 and a motor 233, the motor 233 is fixedly mounted on the pay-off seat 1 through a bolt, the driving bevel gear 231 is coaxially sleeved and fixed on an output shaft of the motor 233, one end shaft of the pay-off roller 21 penetrates through the corresponding mounting box 11 and extends out of the outer wall of the mounting box 11, the driven bevel gear 232 is coaxially sleeved and fixed on the end shaft of the pay-off roller 21 extending out of the outer wall of the mounting box 11, and the driving bevel gear 231 is meshed with the driven bevel gear 232. When the motor 233 rotates, the driving bevel gear 231 drives the driven bevel gear 232 to rotate, so that the driven bevel gear 232 drives the pay-off roller 21 to rotate, and the pay-off roller 21 rotates to drive the traction rope 22 to unwind.

Referring to fig. 1, position detection mechanism 3 includes drawplate 31, pressure sensor 32 and controller 33, drawplate 31 and pressure sensor 32 all are located the one side that unreels seat 1 deviates from unwrapping wire roller 21, the stay cord 22 passes unwrapping wire mouth 12 and with drawplate 31 fixed connection, pressure sensor 32 passes through bolt fixed mounting in the one side that the drawplate 31 deviates from the stay cord 22, and pressure sensor 32's pressure-sensitive end sets up down vertically, controller 33 installs on unwrapping wire seat 1, and controller 33 is connected with pressure sensor 32 electricity.

When initial condition, pressure sensor 32's lower extreme flushes with the up end of drilling, flush with ground promptly, carry out the in-process of unwrapping wire to pulling rope 22 at unwrapping wire roller 21, pulling rope 22 drives pulling plate 31 and descends, pulling plate 31 drives pressure sensor 32 and descends, thereby make pressure sensor 32 get into in the drilling, highly detecting the bored concrete pile top in the drilling, the length of transferring through pulling rope 22 can read out the height of bored concrete pile top to ground, because the degree of depth of drilling strictly sets up according to the requirement of drawing, consequently, the hole depth of drilling is known, through calculating the difference between the hole depth of drilling and the height of bored concrete pile top to ground, can derive the pile top height of bored concrete pile.

Referring to fig. 1 and 2, in order to reduce the external influence that tractive line 22 received at the in-process that falls, thereby reduce measuring error, one side vertical fixation that deviates from unwrapping wire roller 21 at unwrapping wire seat 1 has multistage telescopic tube 5 that slip cap established in proper order, the one end of keeping away from unwrapping wire seat 1 at telescopic tube 5 is installed to tractive board 31, every telescopic tube 5 all cavity sets up, tractive line 22 wears to establish in telescopic tube 5 inner chamber, the wire that links to each other with pressure sensor 32 also wears to establish in telescopic tube 5's inner chamber.

Referring to fig. 1, an energy storage mechanism 6 is further disposed on the pay-off seat 1, the energy storage mechanism 6 includes a storage battery mounted on the pay-off seat 1, and the storage battery is electrically connected to the pressure sensor 32, the controller 33, and the motor 233, respectively.

When motor 233 drives paying out roller 21 unwrapping wire, pulling rope 22 drives the vertical decline of pressure sensor 32, pressure sensor 32 lower extreme gets into in the drilling, the upper laitance in the drilling is passed through earlier, then with the top butt of bored concrete pile, pressure sensor 32 transmits pressure signal for controller 33 this moment, controller 33 control motor 233 stall, in this embodiment, motor 233 adopts the servo motor 233 of taking the auto-lock, consequently, after the motor 233 stalls, pulling rope 22 no longer unreels, can use displacement measurement mechanism 4 to measure the length that pulling rope 22 unreeled this moment. It should be noted that the thickness of the drawing roll 7 wound on the pay-off roll 21 is negligible, i.e. the length of the drawn-off rope 22 unwound by one rotation of the pay-off roll 21 remains unchanged.

Referring to fig. 1 and 2, the displacement measuring mechanism 4 includes a measuring tape 41, a pointer 42 and a synchronizing assembly 43, an observation opening 111 is formed in the top of the mounting box 11 far away from the motor 233, the measuring tape 41 is installed in the mounting box 11 where the observation opening 111 is located, scales on the measuring tape 41 are opposite to the observation opening 111, the pointer 42 is installed in the observation opening 111, the pointer 42 is opposite to the scales on the measuring tape 41, the synchronizing assembly 43 is installed in the mounting box 11 where the observation opening 111 is located, and the synchronizing assembly 43 is used for driving the measuring tape 41 to synchronously unwind along with the rotation of the unwinding roller 21.

Referring to fig. 1 and 2, the synchronizing assembly 43 includes an unwinding roller 431 and a winding roller 432 rotatably mounted on the inner wall of the mounting box 11 where the observation opening 111 is located, and a restoring member mounted on the unwinding roller 431, the restoring member is a coil spring, the rotation axis of the unwinding roller 431 is parallel to the rotation axis of the winding roller 432, the unwinding roller 431 and the winding roller 21 are coaxially fixed, and the measuring tape 41 is sequentially wound on the unwinding roller 431 and the winding roller 432. The inner wall of the mounting box 11 close to the observation opening 111 is rotatably provided with the drawing roller 7, the drawing roller 7 is opposite to the observation opening 111, the rotating axis of the drawing roller 7 is parallel to the rotating axis of the winding roller 432, and the measuring tape 41 is wound on the unwinding roller 431, the drawing roller 7 and the winding roller 432 in sequence.

When the paying-off roller 21 rotates, the winding roller 432 is driven to rotate, the rotating winding roller 432 winds the tape measure 41, the moving distance of the tape measure 41 can be read through the pointer 42, the moving distance of the tape measure 41 is equal to the unreeling length of the pulling rope 22 and the height from the pile top of the cast-in-place pile to the ground, and the pile top height of the cast-in-place pile can be calculated by calculating the difference between the drilling depth and the height from the pile top of the cast-in-place pile to the ground. When the measurement is completed, the motor 233 drives the paying-off roller 21 to wind the pulling rope 22, and at this time, the measuring tape 41 is rewound and rewound on the rewinding roller 431 under the action of the coil spring.

The implementation principle of the pile top height detection device of the cast-in-situ bored pile in the embodiment of the application is as follows: the paying-off seat 1 is installed and fixed on the ground where a drill hole is located, the lower end of the pressure sensor 32 is adjusted to be flush with the ground, scales on the tape measure 41 are recorded, the controller 33 is opened, the controller 33 controls the motor 233 to work, the motor 233 drives the paying-off roller 21 to pay off, the pulling rope 22 is made to be put down from the paying-off roller 21, and the pressure sensor 32 enters the drill hole from the port of the drill hole;

meanwhile, the paying-off roller 21 drives the winding roller 432 to wind the tape measure 41, so that the unwinding length of the pulling rope 22 is measured, when the pressure sensor 32 penetrates through the laitance on the upper layer of the cast-in-place pile and then abuts against the concrete, the pressure sensor 32 detects the pressure, the pressure sensor 32 transmits a pressure signal to the controller 33 at the moment, the controller 33 controls the motor 233 to stop rotating, the winding roller 432 stops winding the tape measure 41 at the moment, the scales on the tape measure 41 are read out again, the moving distance of the tape measure 41 is obtained, the distance from the pile top of the cast-in-place pile to the ground is measured, the distance from the pile top of the cast-in-place pile to the ground is subtracted through the depth of a drilled hole, and the pile top height of the cast-in-place pile is obtained.

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

Claims (8)

1. The utility model provides a pile bolck height detection device of bored concrete pile which characterized in that: including unwrapping wire seat (1), install paying out machine structure (2), setting on unwrapping wire seat (1) are in paying out machine structure (2) unwrapping wire is served and is used for detecting position detection mechanism (3) and installing of bored concrete pile top position be used for measuring on unwrapping wire seat (1) the displacement measurement mechanism (4) of paying out machine structure (2) unwrapping wire end displacement.

2. The pile top height detection device of a bored pile according to claim 1, characterized in that: the paying-off mechanism (2) comprises a paying-off roller (21) rotatably mounted on the paying-off seat (1), a drawing rope (22) wound on the paying-off roller (21) and a driving assembly (23) for driving the paying-off roller (21) to pay off and pay off the drawing rope (22);

when paying out roller (21) rotated, tractive rope (22) drove the detection part of position detection mechanism (3) stretches into in the drilling and detects the pile bolck position of bored concrete pile, displacement measurement mechanism (4) are used for measuring the displacement volume of tractive rope (22) tip.

3. The pile top height detection device of a bored pile according to claim 2, characterized in that: the position detection mechanism (3) comprises a pulling plate (31) fixed at the end part of the pulling rope (22), a pressure sensor (32) arranged on one side, away from the pulling rope (22), of the pulling plate (31) and a controller (33) arranged on the pay-off seat (1), and the controller (33) is electrically connected with the driving assembly (23);

pay off seat (1) of paying out roller (21) below has seted up pay-off mouth (12), draw plate (31) with pressure sensor (32) all are located pay-off seat (1) deviates from one side of pay-off roller (21), draw rope (22) pass behind pay-off mouth (12) with draw plate (31) fixed connection.

4. The pile top height detection device of a bored pile according to claim 2, characterized in that: two mounting boxes (11) are mounted on the pay-off seat (1) at intervals, the two mounting boxes (11) are arranged in a hollow mode, two shaft ends of the pay-off roller (21) are rotatably mounted on the two mounting boxes (11) respectively, and an observation opening (111) is formed in the top of one mounting box (11);

the displacement measuring mechanism (4) comprises a measuring tape (41), a pointer (42) and a synchronizing assembly (43), the measuring tape (41) is installed in a mounting box (11) where the observation port (111) is located, scales on the measuring tape (41) are opposite to the observation port (111), the pointer (42) is installed in the observation port (111), the pointer (42) is opposite to the scales on the measuring tape (41), the synchronizing assembly (43) is installed in the mounting box (11) where the observation port (111) is located, and the synchronizing assembly (43) is used for driving the measuring tape (41) to synchronously unreel along with the rotation of the pay-off roller (21).

5. The pile top height detection device of a bored pile according to claim 4, characterized in that: the synchronous assembly (43) comprises an unwinding roller (431) and a winding roller (432) which are rotatably installed on the inner wall of a mounting box (11) where an observation opening (111) is located, and a resetting piece installed on the unwinding roller (431), wherein the rotating axis of the unwinding roller (431) is parallel to that of the winding roller (432), the unwinding roller (431) and the winding roller (21) are coaxially fixed, and the measuring tape (41) is sequentially wound on the unwinding roller (431) and the winding roller (432); when the winding roller (432) unwinds the measuring tape (41), the measuring tape (41) is rewound onto the unwinding roller (431) under the driving of the resetting piece.

6. The pile top height detection device of a bored pile according to claim 5, characterized in that: the mounting box (11) is close to the inner wall of the observation opening (111) and is rotatably provided with a pulling roller (7), the pulling roller (7) is opposite to the observation opening (111), the rotating axis of the pulling roller (7) is parallel to that of the winding roller (432), and the tape measure (41) is sequentially wound on the unwinding roller (431), the pulling roller (7) and the winding roller (432).

7. The pile top height detection device of a cast-in-situ bored pile according to claim 3, characterized in that: pay off seat (1) deviates from one side of unwrapping wire roller (21) is installed the multistage telescopic tube (5) that slip the cover in proper order and is established perpendicularly, tractive board (31) are installed telescopic tube (5) are kept away from the one end of pay off seat (1), tractive rope (22) are worn to establish in telescopic tube (5) inner chamber.

8. The pile top height detection device of a bored pile according to claim 3, characterized in that: still install energy storage mechanism (6) on unwrapping wire seat (1), the output of energy storage mechanism (6) respectively with controller (33), drive assembly (23) and pressure sensor (32) electricity are connected.

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