CN211347473U - A coring device for testing and testing of cement mixing piles - Google Patents

Abstract

The utility model discloses a coring device for cement mixing pile test detection. The coring device comprises an up-drawing part, a penetration part and a moving part; The support frame, wire rope and lock are composed of; the penetration part is composed of hydraulic device, core pipe, core drilling barrel, and alloy steel drill bit; the moving part is composed of crawler, underframe body, and handrail; hydraulic device is used to guide the lower part of the core pipe The core drilling barrel with alloy steel bit is used for the core operation of cement mixing piles, which can ensure the stability of the core core process and effectively drill the underground pile foundation for core operation. The hydraulic motor is used to drive the reel and the wire rope and lock Pulling the core drill pipe upwards can greatly improve the coring rate. The crawler-type device is used to drive the body to move for the drilling operation. It has the advantages of convenient operation, fast on-site movement and high operating efficiency. It is an ideal device for on-site cement mixing pile coring.

Description

A coring device for testing and testing of cement mixing piles

technical field

The utility model relates to the technical field of building construction, in particular to a coring device for cement mixing pile test detection.

Background technique

The detection of cement mixing piles generally adopts the coring method, that is, the core sample is drilled on the pile body with a drilling rig, and the core sample is cut to make a test block to detect the length of the cement mixing pile, the defects of the pile body, the strength, uniformity and continuity of the pile body. properties, so as to determine the quality of the pile body. Among the coring equipment for cement mixing piles, the coring method currently used in China is usually to use a auger bit to drill holes, and when the drill bit reaches the specified depth, it is pressed into the ring cutter for sampling. This method has low coring efficiency, especially in the construction of large-scale cement-soil mixing piles, the coring of this equipment is too slow. Chinese patent CN 206110201U discloses a new construction pile foundation coring device, the method adopts a disc-type crank to drive a coring drill barrel to perform the construction pile foundation coring operation, and moves through a hand-pushed moving wheel to complete the coring operation , This method is very inconvenient to move the wheel drill in the complex construction site, and the operation efficiency of the disc crank is low, it is difficult to complete the deep coring operation, greatly wastes manpower and material resources, and cannot meet the construction needs.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to provide a coring device for cement mixing pile test detection, so as to solve the problem of inconvenient machine operability, poor stability, and difficulty in the construction of large-scale cement mixing piles in the prior art. The problem that the movement and coring depth cannot meet the detection requirements.

In order to solve the above technical problems, the utility model provides the following technical solutions:

The utility model firstly proposes a coring device for cement mixing pile test and detection, which includes a pulling part, a penetration part, and a bottom frame body; the pulling part includes a hydraulic motor, a reel, a fixed steel frame, and a support frame , wire rope, lock; the penetration components include hydraulic device, core pipe, core drilling barrel, alloy steel drill bit;

Wherein, the support frame is arranged along one side of the bottom frame body, and is formed by two sets of support bodies symmetrically distributed, and the upper parts of the two sets of support bodies are connected by a cross bar;

The fixed steel frame is installed below the support frame and is fixedly connected with the bottom frame body;

The hydraulic motor is installed on one side of the fixed steel frame, and is connected with the chassis body through the base; the reel is installed above the fixed steel frame and connected with the hydraulic motor through a transmission belt; the hydraulic device is installed on the fixed steel frame The other side of the frame is connected to the fixed steel frame through a U-shaped plate;

The wire rope is wound on the outside of the reel, and one end of the wire rope is fixedly connected to the reel, and the other end of the wire rope passes through the cross bar of the support frame and is installed with a lock;

The core pipe runs through the hydraulic device and the chassis body in sequence and is vertically arranged, the core drill pipe is installed at the lower part of the core pipe, the alloy steel drill bit is installed on the bottom end of the core drill pipe, and the alloy steel drill bit is connected with the core drill pipe. The core drilling barrel is an integrated structure.

As a further optimization scheme, the core device for cement mixing pile test and detection of the present invention further includes a crawler belt and a handrail; wherein, the crawler belt is installed under the underframe body, and the crawler belt is provided with two One, the handhold is located on the other side of the surface of the chassis body and opposite to the hydraulic motor.

As a further optimization scheme, a coring device for cement mixing pile test and detection of the present invention, the two groups of support bodies of the support frame are all triangular support structures, and the two ends of the bottom are provided with transverse support to strengthen the support effect. Beam; and the cross bar of the support frame is provided with a hole, and the diameter of the hole is slightly larger than the diameter of the wire rope.

As a further optimization scheme, according to a coring device for cement mixing pile test detection of the present invention, a limit hole is provided on the underframe body at the penetration position where the core pipe is located, and the diameter of the limit hole is slightly larger than The diameter of the coring barrel.

As a further optimized solution, the present invention relates to a coring device for cement mixing pile test detection, wherein a drive shaft is welded inside the reel, and one end of the drive shaft is connected to a drive belt.

As a further optimization scheme, a coring device for cement mixing pile test and detection of the present invention is provided. The diameter of the hole is larger than the diameter of the drive shaft.

As a further optimization scheme, a coring device for cement mixing pile test and detection of the present invention, one end of the U-shaped plate is welded to the hydraulic device, and the other end is connected to the fixed steel frame by means of pins, and drives the hydraulic device. Turn left and right.

As a further optimization scheme, according to a coring device for cement mixing pile test detection of the present invention, the outer wall of the top of the core pipe is provided with an external thread, the inner wall of the bottom is provided with an internal thread, and the core pipe is provided with an internal thread. Through threaded connection, external threads are provided on the outer wall of the core drilling barrel, and the core drilling barrel and the core pipe are connected by threads.

Compared with the prior art, the utility model adopts the beneficial effects of the above technical solutions as follows:

The device of the utility model has good stability, ensures that the core sample can be drilled without shaking and displacement, so as to avoid damage to the core sample during the core removal process, and can quickly pull out the drill barrel and take out the core sample. Specifically, it has the following advantages:

(1) The utility model is equipped with a crawler on the lower part of the underframe body. The ground area of the crawler chassis is larger than that of the wheel type, so the pressure is small when it hits the ground. In addition, the adhesion to the road surface is strong, and the driving force that can be provided is large. In complex and unstable construction, the whole device can be easily moved to any construction site for drilling and coring, which saves manpower and improves the overall use efficiency of the device.

(2) By installing the hydraulic device, it is convenient to adjust the height of the core tube, so that the device can carry out drilling and coring operations of different depths at one point, which can meet the depth of coring work and improve the working stability of the device.

(3) The alloy steel drill bit is hard in texture, which ensures the reliability of the device to dig holes and cores, and the installation of the handle ensures the safety of personnel during the coring work.

(4) When the core drilling barrel reaches the depth requirements, the hydraulic motor is used as the power to quickly lift the core drilling barrel through the reel, wire rope and lock, which can greatly shorten the core drilling operation time, reduce manpower, and speed up the work progress. .

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

Figure 2 is a schematic diagram of the hydraulic motor and the reel of the present invention.

FIG. 3 is a schematic diagram of the fixed steel frame and the reel of the present invention.

Wherein, the reference signs are: 1. Hydraulic motor; 2. Roller; 3. Fixed steel frame; 4. Support frame; 5. Steel wire rope; 6. Lock; 7. Hydraulic device; 8. Core pipe; 9. Take Core drill pipe; 10. Alloy steel drill bit; 11. Track; 12. Underframe body; 13. Hand handle; 14. U-shaped plate; 15. Transverse beam; 16. Transmission shaft; 17. Triangular side plate; 18. Base; 19. Transmission belt.

Detailed ways

In the following, the technical solutions in the embodiments of the present utility model will be cleared and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, but not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to Figures 1-3, a coring device for cement mixing pile test and detection includes an upper pulling part, a hydraulic part, and a moving part. The upper pulling part consists of a hydraulic motor 1, a reel 2, a fixed steel frame 3, and a support frame. 4. The steel wire rope 5 and the lock buckle 6 are composed; the penetration part is composed of the hydraulic device 7, the core pipe 8, the core drilling barrel 9, and the alloy steel drill bit 10; Using the hydraulic device 7 to guide the core drilling barrel 9 with the alloy steel drill bit 10 at the lower part of the core pipe 8 to carry out the coring operation of the cement mixing pile, which can ensure the stability of the coring process and effectively drill the underground pile foundation for the coring operation, The hydraulic motor 1 is used to drive the reel 2 and the core drill barrel 9 is pulled out through the wire rope 5 and the lock 6, which can greatly improve the core removal rate. The crawler-type device is used to drive the body to move for drilling operations, which has the advantages of convenient operation and fast on-site movement. It has the advantages of high operating efficiency and is an ideal device for on-site cement mixing pile core extraction.

As shown in FIG. 1 , the crawler belts 11 are installed below the bottom frame body 12 , and there are two crawler belts 11 , and a handhold 13 is installed above the bottom frame body 12 , and the handhold handle 13 is located on the bottom frame body 12 . one end. The ground area of the track 11 chassis is larger than that of the wheel type, so the pressure is small when it hits the ground, and the adhesion to the road surface is strong, which can provide a large driving force. In complex and unstable construction on site, it is convenient to move the device as a whole to any construction site for drilling and core removal, which saves manpower and improves the overall use efficiency of the device.

A support frame 4 is installed on one side of the handle 13, and the support frames 4 are symmetrically distributed along the chassis body 12. A fixed steel frame 3 is installed below the support frame 4, and the fixed steel frame 3 and the bottom frame are installed The body 12 is welded and fixed, the hydraulic motor 1 is installed on the left side of the fixed steel frame 3, and the hydraulic motor is connected with the bottom frame body 12 through the base 18, the reel 2 is installed above the fixed steel frame 3, and the reel Connected to the left hydraulic motor 1 through a transmission belt 8 , a hydraulic device 7 is installed on one side of the fixed steel frame 3 , and the hydraulic device 7 is connected to the fixed steel frame 3 through a U-shaped plate 14 . By installing the hydraulic device, the height of the core tube can be easily adjusted, so that the device can perform drilling and coring operations of different depths at one point, which can satisfy the deep coring work and improve the working stability of the device.

A wire rope 5 is installed on the outside of the reel 2, and one end of the wire rope 5 is fixedly connected to the reel 2, the other end of the wire rope 5 is installed with a lock 6, and the lower part of the core pipe 8 is installed with a core drilling barrel 9 , the bottom end of the core drilling barrel 9 is installed with an alloy steel drill bit 10, and the alloy steel drill bit 10 and the core drilling barrel 9 have an integral structure. The alloy steel drill bit is hard in texture, which ensures the reliability of the device for digging holes and coring, and the installation of the handrail ensures the safety of personnel during the coring work.

The two ends of the support frame 4 are provided with transverse beams 15 to enhance the supporting effect, and the top of the support frame 4 is provided with a hole, and the diameter of the hole is slightly larger than the diameter of the wire rope 5 . The right side of the bottom frame body 12 is provided with a limiting hole, and the diameter of the limiting hole is slightly larger than the diameter of the core drilling barrel 9 . As shown in FIG. 2 , a drive shaft 16 is welded inside the reel 2 , and one end of the drive shaft 16 is connected to a drive belt 19 . The fixed steel frame 3 has a hollow structure, and the upper two sides of the upper part are provided with triangular side plates 17 , and the triangular side plates 17 are provided with circular holes, and the diameter of the holes is larger than the diameter of the transmission shaft 16 . As shown in FIG. 3 , one end of the U-shaped plate 14 is welded to the hydraulic device 7 , and the other end is connected to the fixed steel frame 3 by means of pins, and drives the hydraulic device 7 to rotate left and right. The outer wall of the top of the core pipe 8 is provided with external threads, the inner wall of the bottom is provided with internal threads, the core pipes 8 are connected by threads, the outer wall of the core drilling barrel 9 is provided with external threads, and the core drilling barrel 9 It is connected with the core pipe 8 through threads. When the core drilling barrel reaches the depth requirement, the hydraulic motor is used as the power to quickly lift the core drilling barrel through the reel, wire rope and lock, which can greatly shorten the core drilling time, reduce manpower and speed up the work progress.

The working principle of the utility model is:

Before using the device, it is necessary to check the device, check whether all parts of the device are in good condition, and use it after the inspection. First, drive the whole device to the designated location through the crawler, then install the first section of the core pipe on the hydraulic device and pass through the limit hole, and connect the core drill pipe at the bottom of the core pipe. Start the hydraulic device for drilling and coring. When the top of the first section of the core pipe is almost lower than the hydraulic device, manually install the second section of the core pipe on the top of the core pipe, and continue to drill and core. When the core drill pipe reaches a certain depth, the hydraulic device stops working, separates the top core tube from the lower end core tube, and uses the U-shaped plate to turn the hydraulic device to one side. Pass the wire rope outside the reel through the hole at the top of the support frame and install a lock at the end, the lock is connected to the top of the core tube, and the core drilling barrel is pulled up at a constant speed by the hydraulic motor until the core drilling barrel is pulled out of the ground. , to complete the core removal operation, the staff can test the removed pile foundation core.

The part not involved in the device is the same as the prior art or can be realized by using the prior art. The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this, any Changes or substitutions that those skilled in the art can easily think of within the technical scope disclosed by the present invention should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a coring device for experimental detection of cement mixing stake which characterized in that: comprises an upper pulling part, a penetration part and a chassis body (12); the upward pulling part comprises a hydraulic motor (1), a rolling wheel (2), a fixed steel frame (3), a support frame (4), a steel wire rope (5) and a lock catch (6); the penetration component comprises a hydraulic device (7), a core tube (8), a core barrel (9) and an alloy steel drill bit (10);

the support frame (4) is arranged along one side of the chassis body (12) and is formed by symmetrically distributing two groups of support bodies, and the upper parts of the two groups of support bodies are connected through a cross rod;

the fixed steel frame (3) is arranged below the support frame (4) and is fixedly connected with the underframe body (12);

the hydraulic motor (1) is arranged on one side of the fixed steel frame (3) and is connected with the bottom frame body (12) through a base (18); the winding wheel (2) is arranged above the fixed steel frame (3) and is connected with the hydraulic motor (1) through a transmission belt (19); the hydraulic device (7) is installed on the other side of the fixed steel frame (3) and is connected to the fixed steel frame (3) through a U-shaped plate (14);

the steel wire rope (5) is wound outside the winding wheel (2), one end of the steel wire rope (5) is fixedly connected with the winding wheel (2), and the other end of the steel wire rope (5) penetrates through the cross rod of the support frame and then is provided with a lock catch (6);

core barrel (8) run through in hydraulic means, the chassis body and set up perpendicularly in proper order, the lower part at core barrel (8) is installed in core drill barrel (9), alloy steel drill bit (10) are installed in the bottom of core drill barrel (9), and alloy steel drill bit (10) and core drill barrel (9) structure as an organic whole.

2. The coring device for cement mixing pile test detection as claimed in claim 1, further comprising a track (11), a hand-held handle (13); the crawler belts (11) are arranged below the chassis body (12), the number of the crawler belts (11) is two, and the hand-held handle (13) is located on the surface of the chassis body (12) and opposite to the other side of the hydraulic motor (1).

3. The coring device for cement mixing pile test detection as recited in claim 1, wherein two groups of supporting bodies of the supporting frame (4) are triangular supporting structures, and both ends of the bottom of the supporting frame are provided with transverse beams (15) for strengthening the supporting function; and the cross rod of the support frame is provided with holes, and the diameter of each hole is slightly larger than that of the steel wire rope (5).

4. The coring device for cement mixing pile test detection as claimed in claim 1, wherein a limiting hole is formed in the through position of the core barrel (8) on the chassis body (12), and the diameter of the limiting hole is slightly larger than that of the coring drill barrel (9).

5. The coring device for cement mixing pile test detection as claimed in claim 1, wherein a transmission shaft (16) is welded inside the winding wheel (2), and one end of the transmission shaft (16) is connected to a transmission belt (19).

6. The coring device for cement mixing pile test detection as claimed in claim 1, wherein the fixed steel frame (3) is of a hollow structure, triangular side plates (17) are arranged on two sides of the upper portion of the fixed steel frame, circular holes are formed in the triangular side plates (17), and the diameter of each hole is larger than that of the transmission shaft (16).

7. The coring device for cement mixing pile test detection as claimed in claim 1, wherein one end of the U-shaped plate (14) is welded to the hydraulic device (7), and the other end is connected to the fixed steel frame (3) in a pin manner and drives the hydraulic device (7) to rotate left and right.

8. The coring device for cement mixing pile test detection as claimed in claim 1, wherein the outer wall of the top of the core tube (8) is provided with external threads, the inner wall of the bottom is provided with internal threads, the core tube (8) is connected through threads, the outer wall of the coring drill barrel (9) is provided with external threads, and the coring drill barrel (9) is connected with the core tube (8) through threads.

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