CN217923589U - Device for controlling elevation of slurry retaining wall drilling and grouting pile - Google Patents

Abstract

The utility model relates to a control mud dado drilling bored concrete pile elevation device, including flexible probe rod, counter weight subassembly and movable assembly, the top of this flexible probe rod is equipped with and is used for hanging the piece of establishing of hanging on the section of thick bamboo that protects of locating the bored concrete pile, the bottom mounting of this flexible probe rod has compression spring, this compression spring's bottom mounting has pressure sensor, this flexible probe rod bottom mounting has the sleeve, this compression spring and this pressure sensor all slide install inside this sleeve, this pressure sensor's bottom is connected with the connecting rod, the bottom of this connecting rod stretches out in this sleeve, be connected with the connecting piece between this sleeve and this counter weight subassembly, the top of this flexible probe rod is fixed with display module, this display module is connected with this pressure sensor electricity. The utility model provides an among the prior art unsafe technical problem of elevation control of mud dado drilling bored concrete pile. The invention can select corresponding concrete blocks according to concretes with different labels, and has strong applicability.

Description

Device for controlling elevation of slurry retaining wall drilling cast-in-place pile

Technical Field

The utility model relates to a construction field especially relates to a control mud dado drilling bored concrete pile device of marking.

Background

In the prior art, no more scientific method exists for controlling the concrete elevation of the slurry retaining wall drilling cast-in-place pile at present, and the concrete elevation is determined mainly by the experience of constructors and the construction level, such as: and (4) lowering the measuring rope in the pouring process, and fishing the concrete by using the fishing bucket to observe whether the concrete reaches the pouring height when the pouring height is close to. Due to the uneven level of constructors, the accuracy of the pouring height is difficult to ensure. Especially, when the excavation depth is needed to be deep, the method has certain difficulty in operation. When the pile top elevation control is inaccurate, the condition of overlong over-irrigation or not pouring in place is caused. Excessive irrigation causes concrete waste, increases construction cost and increases subsequent pile drilling cost; pile repairing is needed after excavation is not performed in place, so that the construction time is increased, the pile forming quality cannot be guaranteed, and the construction cost is increased.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the above-mentioned prior art, the utility model provides a device that control mud dado drilling bored concrete pile elevation has solved among the prior art unsafe technical problem of elevation control of mud dado drilling bored concrete pile.

The utility model discloses a control mud dado drilling bored concrete pile elevation device, including flexible probe rod, be used for hanging to the counter weight component of drilling bored concrete pile top surface and be used for with counter weight component activity hangs to the movable subassembly of flexible probe rod bottom, the top of this flexible probe rod is equipped with and is used for hanging the hanging of locating on the casing of drilling bored concrete pile and establishes the piece, the bottom mounting of this flexible probe rod has compression spring, this compression spring's bottom mounting has pressure sensor, this flexible probe rod bottom is fixed with the sleeve, this compression spring and this pressure sensor all slide install inside this sleeve, this pressure sensor's bottom is connected with the connecting rod, the bottom of this connecting rod stretches out in this sleeve, be connected with the connecting piece between this sleeve and this counter weight component, the top of this flexible probe rod is fixed with display module, this display module is connected with this pressure sensor electricity.

The utility model discloses the device that control mud dado drilling bored concrete pile elevation further improves and lies in, and this connecting piece is the elastic component, and this elastic component will the counter weight component hangs down to keep for the extension state under the state of drilling bored concrete pile top surface.

The utility model discloses control mud dado drilling bored concrete pile elevation device further improves and lies in, and this elastic component is connecting spring, and the periphery of this connecting rod is located to this connecting spring cover, and this connecting spring's top and this telescopic bottom edge are fixed, and this connecting spring's bottom is fixed with this counter weight subassembly.

The utility model discloses the device that control mud dado drilling bored concrete pile is high is further improved and is located, and this connecting piece is for connecting the rope, should connect the rope and be in for the state of flare-outing under the compression spring reset state.

The utility model discloses the device that control mud dado drilling bored concrete pile is high is further improved in and is located, this display module includes host system, a display module, alarm module and be fixed in the shell on this flexible probe rod top, this host system connects respectively in this display module and this alarm module, this host system, this display module and this alarm module are all installed in the shell, this host system is connected with this pressure sensor electricity, this shell is equipped with the display outward, the alarm piece, this display is connected in this display module, this alarm piece is connected in this alarm module.

The utility model discloses control mud dado drilling bored concrete pile elevation device further improves and lies in, and this counter weight subassembly includes the balancing weight and supplies the installation lid of this balancing weight installation, should install the lid downwardly extending and form the lock in the turn-ups of this balancing weight, is equipped with the fastener that is used for fixed this balancing weight on this turn-ups, should install the bottom mounting of lid and this connecting rod.

The utility model discloses the device that control mud dado drilling bored concrete pile elevation further improves and lies in, and this fastener is the tight bolt in top, sets up the screw hole that supplies this tight bolt spiral shell of top to close on this turn-ups.

The utility model discloses the device that control mud dado drilling bored concrete pile is markd further improves and lies in, and this balancing weight is the concrete piece with the same concrete grade of bored concrete pile.

The utility model discloses the device that control mud dado drilling bored concrete pile elevation further improves and lies in, should hang the buckle of establishing for being fixed in this flexible probe rod side, is equipped with the draw-in groove that the width is not less than the thickness of this drilling bored concrete pile casing on this buckle.

The utility model discloses the device that control mud dado drilling bored concrete pile is markd highly further improves and lies in, is fixed with the rock specimen around the bottom of this flexible probe rod and drags for the net, and this rock specimen drags for the net and is the bowl form.

Compared with the prior art, the utility model, its effect is positive and obvious. The utility model discloses a concrete piece is different at mud and the pressure that receives in the cast in situ concrete, utilizes pressure sensor and display module, and whether effective concrete reaches the face of pouring, has realized accurate control, has solved among the prior art unsafe technical problem of elevation control of mud dado drilling bored concrete pile. The invention has simple structure and small volume; corresponding concrete blocks can be selected according to concretes with different labels, and the applicability is strong; the telescopic probe rod is used for controlling various elevations; the pressure sensor is used, the digitization degree is high, the identification is accurate, and the service life is long. Can effectively prevent over-filling or incomplete filling, reduces the construction cost of subsequent treatment, is suitable for various filling pile projects, and has good popularization.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is the overall structure schematic diagram of the device for controlling the elevation of the slurry retaining wall drilling and grouting pile of the utility model.

Fig. 2 is the enlarged view of the buckle of the device for controlling the elevation of the slurry retaining wall drilling and pouring pile.

Fig. 3 is the enlarged view of the counterweight component of the device for controlling the elevation of the slurry retaining wall drilling and pouring pile of the utility model.

Fig. 4 is the internal structure diagram of the induction assembly of the device for controlling the elevation of the slurry retaining wall drilling and pouring pile of the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a device for controlling elevation of mud dado drilling bored concrete pile, including flexible probe rod 1, be used for hanging to the counter weight component 4 of drilling bored concrete pile top surface and be used for with counter weight component 4 activity hangs to the movable assembly 8 of flexible probe rod 1 bottom, the top of this flexible probe rod 1 is equipped with and is used for hanging the piece of establishing on the casing of drilling bored concrete pile, the bottom of this flexible probe rod 1 is fixed with pressure sensor 804 through the bottom of this compression spring 805 of compression spring, this flexible probe rod 1 bottom is fixed with sleeve 803, this compression spring 805 and this pressure sensor 804 all slide and install inside this sleeve 803, the bottom of this pressure sensor 804 is connected with connecting rod 801, the bottom of this connecting rod 801 stretches out in this sleeve 803, be connected with the connecting piece between this sleeve 803 and this counter weight component 4, the top of this flexible probe rod 1 is fixed with display module 3, this display module 3 is connected with this pressure sensor 804 electricity. The telescopic probe rod 1 is provided with scales along the length direction. In this embodiment, the telescopic feeler lever 1 is a primary-secondary lever, the primary lever is provided with a chute 5 along the length direction, the secondary lever and the primary lever are limited by a fixing screw, the upper portion of the secondary lever is provided with a threaded hole for screwing the fixing screw, the nut of the fixing screw is located outside the primary lever, the screw portion of the fixing screw penetrates through the chute 5 and is screwed into the threaded rod of the secondary lever, and the fixing screw is screwed to fix the relative position of the secondary lever and the primary lever. This device is directly hung and is equipped with and measure on the pile casing wall of bored concrete pile, has avoided hand device and the error that produces, during the use, fixes the length of flexible probe rod 1 earlier with this device according to the design elevation of bored concrete pile, hangs the pile casing of locating bored concrete pile with this device again, carries out the grout construction again, when the concrete touches balancing weight 402 and shows predetermined numerical value from display module 3, stops to pour. When the balancing weight 402 touches the concrete surface, the balancing weight 402 will float slightly, so as to drive the connecting rod 801 to move upwards, the first spring 805 is compressed upwards in the moving process, and after the compression spring 805 is compressed, an elastic force is provided downwards for the pressure sensor 804, so that the pressure sensor 804 reacts. The pressure sensor 804 and the display module 3 are connected by a wire 806, and the wire 806 is inserted into the first spring 805.

Preferably, the connecting member is an elastic member, the elastic member is kept in an extended state in a state of suspending the counterweight assembly 4 to the top surface of the cast-in-situ bored pile, the state can ensure that the elasticity generated by the compression spring 805 is not affected, and the elastic member can be an elastic rope and plays a role of connecting the sleeve 803 and the counterweight assembly 4.

Preferably, as shown in fig. 4, the elastic member is a connection spring 802, the connection spring 802 is sleeved on the outer circumference of the connection rod 801, the top end of the connection spring 802 is fixed to the bottom end edge of the sleeve, the bottom end of the connection spring 802 is fixed to the weight member 4, and the connection spring 802 is in an extended state in a state where the weight member 4 is fished to the top surface of the cast-in-situ bored pile. This connecting spring 802 mainly plays the effect of connecting counter weight component 4 and sleeve 803, is tensile state when having installed counter weight component 4 and measure promptly, when counter weight component 4 drilling bored concrete pile top surface and upward movement, connecting spring 802 resumes to normal form gradually, and can not form the compression form to guarantee pressure sensor 804 measuring accuracy, avoid other power to be disturbed. In this embodiment, the connection rod 801, the connection spring 802, the sleeve 803, the pressure sensor 804, the compression spring 805, and the wire 806 form the sensing assembly 8.

Preferably, the connecting piece is a connecting rope, and the connecting rope is in a straightening state under the reset state of the compression spring. The connecting cord functions to connect the sleeve 803 to the weight assembly 4 without affecting the spring force generated by the compression spring 805.

Preferably, as shown in fig. 2, the display assembly 3 includes a main control module, a display module, an alarm module and a housing 301 fixed to the top end of the telescopic probe rod 1, the main control module is connected to the display module and the alarm module respectively, the main control module, the display module and the alarm module are all installed in the housing 301, and the main control module is electrically connected to the pressure sensor 804. The main control module is used for carrying out overall control on other modules so that all parts can work in a coordinated mode.

Preferably, as shown in fig. 2, a display 302 and an alarm are provided outside the housing 301, the display 302 is connected to the display module, and the alarm is connected to the alarm module. The display 302 is used to display the amount of pressure experienced by the pressure sensor 804. The shell 301 is further provided with a switch 305, the switch 305 is respectively electrically connected with the main control module, the display module, the alarm module, the display 302 and the alarm, and the switch 305 is used for turning on or off the whole display assembly 3. The housing 301 is also provided with a rechargeable battery, which supplies power to the device, and the capacity of the battery ensures that the device can be used for about one week under normal conditions of charging once. The use of the rechargeable battery avoids the trouble of using a cable by an external power supply.

Preferably, as shown in fig. 2, the alarm member includes a warning light 303 and a voice alarm 304 mounted on the housing 301, the warning light 303 and the voice alarm 304 are electrically connected to the alarm module, respectively, the warning light 303 and the voice alarm 304 are electrically connected to the switch 305, respectively, when the pressure signal is transmitted to the display assembly 3, the main control module determines whether a set value is reached, and if so, the warning light 303 is turned on and the voice alarm gives an alarm. The combination of the two forms of warning greatly increases the response of the constructor and avoids missing the time that concrete should be stopped.

Preferably, as shown in fig. 3 and 4, the weight component 4 includes a weight block 402 and a mounting cover 401 for mounting the weight block 402, the mounting cover 401 extends downward to form a flange buckled on the weight block 402, a fastener for fixing the weight block 402 is disposed on the flange, and the flange is fixed to the bottom end of the connecting rod 801. In this embodiment, the mounting cover 401 is circular, the weight block 402 is cylindrical, the diameter of the weight block 402 is not greater than the inner diameter of the flange, and the weight block 402 can be replaced by the mounting cover 401 as required.

Preferably, as shown in fig. 3 and 4, the fastening member is a tightening bolt 403, and the flange is provided with a threaded hole for screwing the tightening bolt 403. The tightening bolt 403 can pass through the threaded hole to tighten the weight block 402, so that the weight block 402 is prevented from falling out of the mounting cover 401, and the structure is convenient and quick to use.

Preferably, as shown in fig. 3 and 4, the weight 402 is a concrete block of the same concrete grade as the cast-in-situ bored pile. Because the in-process that the bored concrete pile was pour, the mud in the stake is located the concrete upper strata all the time, and the concrete grade of pouring is different, then the unit weight is different, chooses for use the concrete piece that the concrete of pouring now is the same, and its buoyancy in the mud is then the same, has improved measuring accuracy.

Preferably, should hang and establish the piece for being fixed in buckle 2 of this flexible probe rod side, be equipped with the draw-in groove that the width is not less than the thickness of this bored concrete pile casing on this buckle 2. This buckle 2 is L shape, and one end is fixed in the side of flexible probe rod 1, keeps away from one side of flexible probe rod 1 and the distance between flexible probe rod 1 and is not less than the thickness of the casing of drilling bored concrete pile to conveniently hang and establish on the casing of drilling bored concrete pile.

Preferably, as shown in fig. 3, a rock sample scooping net 6 is fixed around the bottom of the telescopic probe 1, and the rock sample scooping net 6 is bowl-shaped. This telescopic feeler lever 1's bottom mounting has fixed disc 7, this first spring 805 and sleeve 803 all are fixed in on fixed disc 7's the bottom surface, this rock specimen salvages the periphery that net 6 is fixed in this fixed disc 7, and to forming bowl-shaped structure, the rock specimen salvages net 6 and can dismantle the wire net, can carry out the rock specimen at the pile driving stage and salvage, during the use, will salvage the net and put down the pile bottom position, along the marginal rotating device of casing, propose the rock specimen afterwards and salvage net 6 and observe the rock specimen and judge whether reach the holding power layer.

The utility model discloses a concrete piece is different at mud and the pressure that receives in the cast in situ concrete, utilizes pressure sensor and display module, and whether effective concrete reaches the face of pouring, has realized accurate control, has solved among the prior art unsafe technical problem of elevation control of mud dado drilling bored concrete pile. The invention has simple structure and small volume; corresponding concrete blocks can be selected according to concretes with different labels, and the applicability is strong; the telescopic probe rod is used for controlling various elevations; the pressure sensor is used, the digitization degree is high, the identification is accurate, and the service life is long. Can effectively prevent over-filling or incomplete filling, reduces the construction cost of subsequent treatment, is suitable for various filling pile projects, and has good popularization.

The utility model discloses in not relate to the part all the same with prior art or can adopt prior art to realize. The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make modifications or changes to equivalent embodiments with equivalent changes within the scope of the technical solution of the present invention.

Claims (10)

1. The device for controlling the elevation of the slurry retaining wall drilling cast-in-place pile is characterized by comprising a telescopic probe rod, a counterweight component and a movable component, wherein the counterweight component is used for hanging the top surface of the drilling cast-in-place pile, the movable component is used for hanging the counterweight component to the bottom of the telescopic probe rod movably, a hanging component is arranged at the top end of the telescopic probe rod and used for hanging the counterweight component to a pile casing of the drilling cast-in-place pile, a compression spring is fixed at the bottom end of the telescopic probe rod, a pressure sensor is fixed at the bottom end of the compression spring, a sleeve is fixed at the bottom end of the telescopic probe rod, the compression spring and the pressure sensor are arranged in the sleeve in a sliding mode, a connecting rod is connected to the bottom end of the pressure sensor, a connecting piece is connected between the sleeve and the counterweight component, a display component is fixed at the top end of the telescopic probe rod, and the display component is electrically connected with the pressure sensor.

2. The apparatus of claim 1, wherein the connecting member is an elastic member, and the elastic member is maintained in an extended state in a state of suspending the weight assembly to the top surface of the cast-in-situ bored pile.

3. The apparatus according to claim 2, wherein the elastic member is a connecting spring, the connecting spring is sleeved on the outer circumference of the connecting rod, the top end of the connecting spring is fixed to the bottom end edge of the sleeve, and the bottom end of the connecting spring is fixed to the counterweight assembly.

4. The apparatus of claim 1, wherein the connecting member is a connecting rope, and the connecting rope is in a straightened state when the compression spring is in a reset state.

5. The device for controlling the elevation of the slurry retaining wall drilling bored pile according to claim 1, wherein the display assembly comprises a main control module, a display module, an alarm module and a housing fixed to the top end of the telescopic probe rod, the main control module is connected to the display module and the alarm module respectively, the main control module, the display module and the alarm module are all installed in the housing, the main control module is electrically connected with the pressure sensor, a display and an alarm piece are arranged outside the housing, the display is connected to the display module, and the alarm piece is connected to the alarm module.

6. The device for controlling the elevation of the mud protecting wall bored pile according to claim 1, wherein the counterweight assembly comprises a counterweight and a mounting cover for mounting the counterweight, the mounting cover extends downward to form a flange fastened to the counterweight, a fastener for fixing the counterweight is provided on the flange, and the mounting cover is fixed to the bottom end of the connecting rod.

7. The apparatus according to claim 6, wherein the fastening member is a tightening bolt, and the flange has a threaded hole for the tightening bolt to thread.

8. The apparatus according to claim 6, wherein the weight is a concrete block of the same concrete grade as the bored pile.

9. The device for controlling the elevation of the mud retaining wall bored pile according to claim 1, wherein the hanging member is a buckle fixed on the side surface of the telescopic probe rod, and the buckle is provided with a clamping groove with a width not less than the thickness of the bored pile retaining tube.

10. The device for controlling the elevation of the slurry retaining wall bored pile according to claim 1, wherein a rock sample salvaging net is fixed around the bottom of the telescopic probe rod, and the rock sample salvaging net is bowl-shaped.

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