CN210195662U

CN210195662U - Intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method

Info

Publication number: CN210195662U
Application number: CN201921051586.9U
Authority: CN
Inventors: Rongjie Zhu; 朱蓉洁
Original assignee: Jiangsu Wuxi Mineral Exploration Machinery General Factory Co Ltd
Current assignee: Jiangsu Wuxi Mineral Exploration Machinery General Factory Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-03-27
Anticipated expiration: 2029-07-05

Abstract

The utility model relates to an intelligent long stroke high pressure jet grouting drill suitable for RJP and MJS worker method, including the track chassis, set up the connection bridge on the track chassis, set up the carousel on the connection bridge, install the rig platform on the carousel, install the balladeur train on the rig platform. The utility model discloses large latus rectum through-hole formula area rotational speed display unit head has been configured, it constitutes to increase auxiliary tower and stack formula overhead traveling crane hoist, the sensitive hydraulic system of load has been adopted, through PLC automatic control, the centre gripping major diameter drilling rod has been realized and the function that long stroke creeps into in succession, can centre gripping RJP, the MJS drilling rod, realize the operation is spouted soon to the major diameter superhigh pressure, effective overhead traveling crane hoist system that highly exceeds 16m can realize one pole to the end of long stroke construction, and need not frequently tear open and connect the drilling rod, the work efficiency has greatly been improved, imported RJP has been overcome, the auxiliary operating time of MJS worker type is long, the inefficiency not enough. The crawler chassis with the automatic slewing bearing is convenient to shift and align, the auxiliary working time is further reduced, and the construction efficiency is improved.

Description

Intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method

Technical Field

The utility model belongs to the technical field of ground construction machinery equipment, a intelligent long stroke high pressure jet grouting drill suitable for RJP and MJS worker's method is related to.

Background

With the development of high-pressure rotary spraying construction technology in the field of rock and soil construction, the rotary spraying pile-forming technology is increasingly developing towards the direction of large diameter and large depth, but the rotary spraying drilling machine in the field of rock and soil construction at present has the defect that a power head clamps a drill rod with a smaller diameter because the large-diameter and large-depth rotary spraying can not separate a large-diameter drill rod, and the advanced rotary spraying equipment such as imported RJP and MJS has the defects of small size of the whole machine, short stroke and low working efficiency.

The utility model discloses a centre gripping major diameter drilling rod and the function that creeps into in succession of long stroke, the biggest through-hole formula unit head reaches phi 145mm, can centre gripping RJP, the MJS drilling rod, realize the major diameter superhigh pressure and spout the operation soon, the overhead traveling crane hoist system that effectively highly exceeds 16m can realize that a pole of long stroke construction is to the end, and need not frequently tear open and connect the drilling rod, work efficiency has greatly been improved, the supplementary operating time who has overcome import RJP, the MJS worker method model is long, the inefficiency not enough.

The front supporting leg of the drilling machine adopts a forward extending structure, the supporting point of the drilling machine extends forwards during construction, the supporting force at the center of the hole is more concentrated, and the construction and the tripping are more stable.

Disclosure of Invention

An object of the utility model is to provide a rig is spouted soon to intelligent long stroke high pressure suitable for RJP and MJS worker method, solved the tradition and spouted the problem that rig equipment unit head can not centre gripping major diameter drilling rod soon, solved similar import equipment small, the stroke is short, problem that can not continuous operation, solved and increased the stroke and spout the unstable problem of focus that the rig fulcrum can not the antestretch lead to soon.

According to the utility model provides a technical scheme: an intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction methods comprises a crawler chassis, wherein a connecting bridge is arranged on the crawler chassis, a rotary table is arranged on the connecting bridge, a drilling machine platform is installed on the rotary table, a sliding frame is installed on the drilling machine platform, a pushing frame is arranged on the sliding frame, a dragging plate is connected on the pushing frame, a power head is installed on the dragging plate, a clamping device is arranged at the bottom end of the pushing frame, an auxiliary tower and a crown block are installed at the top end of the pushing frame, and a plurality of groups of hoisting pulleys are installed on the auxiliary tower and the crown block.

As a further improvement of the utility model, the drilling rig platform comprises a frame, wherein the front end of the frame is provided with a forward-extending support leg, and the rear end of the frame is provided with a rear support leg; the front-extending supporting leg comprises a supporting leg seat, one end of the supporting leg seat is connected with the rack, the middle part of the supporting leg seat is hinged with the tail end of a front supporting leg oil cylinder, the piston end of the front supporting leg oil cylinder is hinged with one end of a swinging leg, the middle part of the swinging leg is hinged with the other end of the supporting leg seat, and the other end of the swinging leg is hinged with the upper part of a front ground grabbing seat; the rear supporting leg comprises a rear supporting leg oil cylinder, the rear supporting leg oil cylinder is vertically installed at the rear end of the rack, and the piston end of the rear supporting leg oil cylinder is connected with the rear ground grabbing support.

As a further improvement, the supporting leg seat comprises a steel pipe, the steel pipe is connected into a rectangular frame, and a rectangular tubular supporting rib is connected between the connected steel pipes.

As a further improvement of the utility model, the reinforcing ribs are connected to the inner sides of the leg seats.

As a further improvement of the utility model, a patterned steel plate is laid on the frame.

As a further improvement of the utility model, the power head comprises a box body, a spline shaft is rotatably arranged in the box body, a motor is connected at the upper end of the spline shaft, a spline gear is arranged at the middle part of the spline shaft, a main shaft is rotatably arranged at one side of the spline shaft, a main shaft gear is arranged at the periphery of the lower part of the main shaft, the main shaft gear is meshed with the spline gear, a slip shaft is coaxially arranged at the upper part of the main shaft through threads, a disc spring gasket is arranged at the periphery of the lower part of the slip shaft, a chuck upper shell is fixedly arranged at the periphery of the upper part of the slip shaft, an annular piston is movably arranged in the chuck upper shell, a chuck upper shell boss is arranged in the chuck upper shell, a slip seat is arranged at the lower side of the upper part of the piston through rotation of a bearing, the slip seat is rotatably arranged at the periphery of the upper part of, slips are arranged on the inner periphery of the slip seat, the slips are transversely slidably arranged in uniformly distributed clamping grooves in the upper portion of the slip shaft, the peripheries of the slips are slip inclined planes, and an oil filling hole is formed between the chuck upper shell and the piston.

As a further improvement, the slips backing plate is installed on the slips inclined plane and is made of brass.

As a further improvement, the lower end of the spline shaft is connected with a rotating speed and rotating angle sensor.

As a further improvement of the utility model, the spring is a disc spring.

As a further improvement, the quantity of slips is 5, and corresponding slips axle upper portion fluting quantity is 5, and the fluting quantity of slip seat is 5.

Compared with the prior art, the utility model, have following advantage:

1. the utility model discloses simple structure, the mode that the rig platform adopted four point to support, and the afterbody adopts perpendicular landing leg hydro-cylinder to support, and the front end design is two articulated formula reach landing leg mechanism, with the fore-stock reach of rig, when guaranteeing the vertical construction of rig pylon, the pivot all the time in the front of the centre of gyration of rig makes the rig play down the drilling rod and play to pull out safer.

2. The utility model discloses set up and increased the auxiliary tower, satisfied and once add the drilling rod continuous construction who connects 16m overall length, greatly reduced supplementary operating time, improved work efficiency, guaranteed the pile-forming quality again simultaneously.

3. The utility model discloses the structure unit head provides enough stroke for the slip bowl through annular piston oppression multi-disc dish spring, and the slip bowl produces sufficient lateral displacement through its self inclined plane structure to satisfy opening and shutting of five slips, further satisfy the clamping of major diameter drilling rod and loosen, unit head main shaft lower extreme installation rotational speed corner sensor shows the rotational speed of main shaft in real time.

4. The utility model discloses set up integrated driver's cabin, can concentrate in the driver's cabin and control, improved operator's operating condition, also improved the operating condition of components and parts such as instrument and switch simultaneously.

Drawings

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

Fig. 2 is a schematic structural diagram of the drilling rig platform of the present invention.

Fig. 3 is a schematic top view of fig. 2.

Fig. 4 is a schematic structural view of the forward extending leg of the present invention.

Fig. 5 is a schematic top view of fig. 4.

Fig. 6 is a schematic structural view of the swing leg of the present invention.

Fig. 7 is a schematic structural diagram of the power head of the present invention.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In the figure 1, the crawler type drilling rig comprises a crawler chassis 1, a connecting bridge 2, a turntable 3, a drilling machine platform 4, a forward extending support leg 4-1, a support leg seat 4-1-1, a steel pipe 4-1-1, a support rib 4-1-2, a front support leg oil cylinder 4-1-2, a swing leg 4-1-3, a front support base 4-1-4, a frame 4-2, a figured steel plate 4-3, a rear support leg 4-4, a rear support leg oil cylinder 4-4-1, a rear support base 4-4-2, a sliding frame 5, a propulsion frame 6, a dragging plate 7, a power head 8, a box body 8-1, a spline shaft 8-2, a motor 8-3, a spline gear 8-4, a main shaft 8-5, a slip shaft 8-6, a disc spring washer 8-7, a power, 8-8 parts of chuck upper shell, 8-9 parts of piston, 8-10 parts of slip seat, 8-10-1 parts of slip seat inclined plane, 8-11 parts of disc spring, 8-12 parts of main shaft gear, 8-13 parts of slip, 8-14 parts of slip base plate, 8-15 parts of oil injection hole, 8-16 parts of rotating shaft, 9 parts of clamper, 10 parts of auxiliary tower and crown block, 11 parts of hoisting pulley block and the like.

As shown in fig. 1, the utility model relates to an intelligent long-stroke high-pressure jet drilling machine with a cab suitable for RJP and MJS construction method, which comprises a crawler chassis 1, a connecting bridge 2 is arranged on the crawler chassis 1, a rotary table 3 is arranged on the connecting bridge 2, a drilling machine platform 4 is arranged on the rotary table 3, a sliding frame 5 is arranged on the drilling machine platform 4, a propelling frame 6 is arranged on the sliding frame 5, a planker 7 is connected on the propelling frame 6, and a power head 8 is arranged on the planker 7; the bottom end of the propelling frame 6 is provided with a clamper 9, the top end of the propelling frame 6 is provided with an auxiliary tower and a crown block 10, and the auxiliary tower and the crown block 10 are provided with a hoisting pulley block 11.

As shown in the figure 2-3, the drilling machine platform 4 comprises a frame 4-2, a front extending supporting leg 4-1 is arranged at the front end of the frame 4-2, a rear supporting leg 4-4 is arranged at the rear end of the frame 4-2, and a pattern steel plate 4-3 is laid on the frame 4-2 in order to increase the friction coefficient of the frame 4-2 and prevent operators from skidding during work.

As shown in figure 4-5, the forward extending supporting leg 4-1 comprises a supporting leg seat 4-1-1, one end of the supporting leg seat 4-1-1 is welded with the frame 4-2, the middle part of the supporting leg seat 4-1-1 is hinged with the tail end of a front supporting leg oil cylinder 4-1-2, the piston end of the front supporting leg oil cylinder 4-1-2 is hinged with one end of a swinging leg 4-1-3, as shown in figure 6, the swinging leg 4-1-3 is V-shaped, the middle part of the swinging leg 4-1-3 is hinged with the other end of the supporting leg seat 4-1-1, and the other end of the swinging leg 4-1-3 is hinged with the upper part of the front supporting leg seat 4-.

Furthermore, the leg support seat 4-1-1 comprises steel pipes 4-1-1-1, the steel pipes 4-1-1-1 are welded into a rectangle, and supporting ribs 4-1-1-2 are welded between the connected steel pipes 4-1-1-1 to improve the strength of the leg support seat 4-1-1.

Furthermore, the inner side of the leg seat 4-1-1 is welded with a reinforcing rib 1-5 to enhance the strength of the leg seat 4-1-1.

Furthermore, the rear support leg 4-4 comprises a rear support leg oil cylinder 4-4-1, the rear support leg oil cylinder 4-4-1 is vertically arranged at the rear end of the rack 4-2, and the piston end of the rear support leg oil cylinder 4-4-1 is connected with the rear grabbing support seat 4-4-2.

As shown in FIG. 7, the power head 8 comprises a case 8-1, a spline shaft 8-2 is rotatably arranged in the case 8-1, the upper end of the spline shaft 8-2 is connected with a motor 8-3, a spline gear 8-4 is arranged in the middle of the spline shaft 8-2, a main shaft 8-5 is rotatably arranged on one side of the spline shaft 8-2, a main shaft gear 8-12 is arranged on the periphery of the lower part of the main shaft 8-5, the main shaft gear 8-12 is meshed with the spline gear 8-4, a slip shaft 8-6 is rotatably arranged on the periphery of the upper part of the main shaft 8-5, a disc spring washer 8-7 is arranged on the periphery of the lower part of the slip shaft 8-6, a chuck upper shell 8-8 is fixedly arranged on the periphery of the upper part of the slip shaft 8-6, a piston 8-9 is movably arranged in the chuck upper, limiting the upper limit of the sliding of the pistons 8-9. The lower side of the upper part of the piston 8-9 is rotatably provided with a slip seat 8-10 through a bearing, the slip seat 8-10 is rotatably arranged on the periphery of the upper part of the slip shaft 8-6, and a disc spring 8-11 is arranged between the slip seat 8-10 and a disc spring washer 8-7. The inner periphery of the slip seat 8-10 is provided with a slip seat inclined plane 8-10-1, the inner periphery of the slip seat 8-10 is provided with slips 8-13, the slips 8-13 are transversely arranged in clamping grooves uniformly distributed at the upper part of the slip shaft 8-6 in a sliding manner, and the outer periphery of the slips 8-13 is provided with a slip inclined plane matched with the slip seat inclined plane 8-10-1. The number of the slips 8-13 is 5, the number of the grooves at the upper part of the corresponding slip shaft 8-6 is 5, and the number of the grooves of the slip seat 8-10 is 5. An oil filling hole 8-15 is arranged between the chuck upper shell 8-8 and the piston 8-9.

Furthermore, in order to drive the slips 8-13 to synchronously contract, slip backing plates 8-14 are installed on slip inclined planes on the outer sides of the slips 8-13, and in order to prevent seizure in the sliding process, the backing plates are made of brass.

Furthermore, in order to display the rotating speed of the power head in real time, a rotating speed and rotating angle sensor is connected to the lower end of the spline shaft 8-2.

The working process of the utility model is as follows:

the crawler chassis 1 drives the drilling machine to move to a position where drilling is needed, the turntable 3 drives the rack 6 to rotate to a drilling operation center, and as shown in fig. 4, a drilling machine platform is supported by the forward extending supporting legs 4-1 and the rear supporting legs 4-4. When the piston end of the front support leg oil cylinder 4-1-2 extends out, the swing leg 4-1-3 is pushed to rotate clockwise, the rack platform is further supported, the lifting of the rack platform is adjusted, and finally the rear support leg oil cylinder 4-4-1 extends out, so that the rear ground-grasping seat 4-4-2 and the front ground-grasping seat 4-1-4 are positioned at the same level. The structure has the advantages that the front supporting point of the drilling machine is extended forwards, so that the rotation center of the drilling machine is always at the front supporting point when the tower frame of the drilling machine is constructed vertically, and the drilling rod can be safely pulled out and pulled out of the drilling machine.

The sliding frame 5 pushes the pushing frame 6 to be vertical through a tower lifting oil cylinder at the lower part, and the hoisting pulley block 11 hoists the drilling tool to the upper part of the power head.

When a drill rod needs to be clamped, high-pressure hydraulic oil enters the oil injection holes 8-15, the hydraulic oil pushes the annular piston 9 to move downwards, the annular piston 9 drives the slip seat 10 to move downwards against the spring force of the disc spring 11, and in the process of downward movement of the slip seat 10, due to the inclined surface structure of the slip seat, the clamping grooves of the slip seat 10 drive the slip base plates 8-14 and the slips 8-13 to move outwards to release radial space, the drill rod can be placed into the through hole of the main shaft 5 at the moment, and along with the release of the hydraulic oil, the actions are opposite, and the slips 8-13 shrink along with the drill rod to clamp the drill.

When the drill rod needs to rotate, the hydraulic motor 3 drives the spline shaft 2 to rotate, then the main shaft 5 is driven to rotate through the pair of meshed gears, and then the slip shaft 6, the slip seat 10 and the drill rod clamped by the slips 8-13 are further driven to rotate together.

The drilling action of the drilling machine is executed by an oil cylinder arranged in the propelling frame.

When the drill rod needs to be loosened, high-pressure hydraulic oil enters the oil injection hole 8-15 again, the slips 8-13 are opened, and the drill rod can be drawn out of the power head.

In the actual construction process, the drill rods connected into a whole do not need to be drawn out of the power head, the drill rods are suspended by the aid of the winch pulley block, and the whole machine moves to the next hole site for continuous construction.

Claims

1. An intelligent long-stroke high-pressure rotary jet drilling machine suitable for an RJP and MJS construction method is characterized in that: the drilling machine comprises a crawler chassis (1), a connecting bridge (2) is arranged on the crawler chassis (1), a rotary table (3) is arranged on the connecting bridge (2), a drilling machine platform (4) is installed on the rotary table (3), a sliding frame (5) is installed on the drilling machine platform (4), a propelling frame (6) is arranged on the sliding frame (5), a dragging plate (7) is connected on the propelling frame (6), a power head (8) is installed on the dragging plate (7), the power head (8) is a large-through-hole chuck type and can clamp large-diameter RJP and MJS construction-method drill rods, a clamp holder (9) is arranged at the bottom end of the propelling frame (6), an auxiliary tower and an overhead travelling crane (10) are installed at the top end of the propelling frame (6), and a pulley (11) is installed on the auxiliary tower and the hoisting pulley (10).

2. An intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method as recited in claim 1, which is characterized in that: the drilling machine platform (4) comprises a machine frame (4-2), a front extending supporting leg (4-1) is installed at the front end of the machine frame (4-2), and a rear supporting leg (4-4) is installed at the rear end of the machine frame (4-2); the front extension supporting leg (4-1) comprises a supporting leg seat (4-1-1), one end of the supporting leg seat (4-1-1) is connected with the rack (4-2), the middle part of the supporting leg seat (4-1-1) is hinged with the tail end of a front supporting leg oil cylinder (4-1-2), the piston end of the front supporting leg oil cylinder (4-1-2) is hinged with one end of a swing leg (4-1-3), the middle part of the swing leg (4-1-3) is hinged with the other end of the supporting leg seat (4-1-1), and the other end of the swing leg (4-1-3) is hinged with the upper part of a front ground grabbing support (4-1-4); the rear supporting leg (4-4) comprises a rear supporting leg oil cylinder (4-4-1), the rear supporting leg oil cylinder (4-4-1) is vertically installed at the rear end of the rack (4-2), and the piston end of the rear supporting leg oil cylinder (4-4-1) is connected with the rear ground grabbing support (4-4-2).

3. An intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method as recited in claim 2, which is characterized in that: the supporting leg seat (4-1-1) comprises steel pipes (4-1-1-1), the steel pipes (4-1-1-1) are connected into a rectangle, and supporting ribs (4-1-1-2) are connected between the connected steel pipes (4-1-1).

4. An intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method as recited in claim 2, which is characterized in that: the inner side of the leg seat (4-1-1) is connected with a reinforcing rib (4-1-5).

5. An intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method as recited in claim 2, which is characterized in that: and a patterned steel plate (4-3) is laid on the rack (4-2).

6. An intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method as recited in claim 1, which is characterized in that: the power head (8) comprises a box body (8-1), a spline shaft (8-2) is arranged in the box body (8-1) in a rotating mode, a motor (8-3) is connected to the upper end of the spline shaft (8-2), a spline gear (8-4) is arranged in the middle of the spline shaft (8-2), a main shaft (8-5) is arranged on one side of the spline shaft (8-2) in a rotating mode, a main shaft gear (8-12) is arranged on the periphery of the lower portion of the main shaft (8-5), the main shaft gear (8-12) is meshed with the spline gear (8-4), a slip shaft (8-6) is arranged on the upper portion of the main shaft (8-5) through threads, a disc spring gasket (8-7) is arranged on the periphery of the lower portion of the slip shaft (8-6), and a chuck upper shell (8-8) is fixedly arranged on the, an annular piston (8-9) is arranged in the chuck upper shell (8-8) in a moving mode, a chuck upper shell boss (8-8-1) is arranged in the chuck upper shell (8-8), a slip seat (8-10) is arranged on the lower side of the upper portion of the piston (8-9) through a bearing in a rotating mode, the slip seat (8-10) is installed on the periphery of the upper portion of the slip shaft (8-6) in a rotating mode, a spring is arranged between the slip seat (8-10) and the disc spring washer (8-7), slip seat inclined planes (8-10-1) are uniformly distributed on the inner periphery of the slip seat (8-10), slips (8-13) are arranged on the inner periphery of the slip seat (8-10), and the slips (8-13) are transversely arranged in uniformly distributed sliding grooves in the upper portion of the slip shaft (8-6) in a sliding mode, the periphery of the slip (8-13) is a slip inclined plane, and an oil filling hole (8-15) is formed between the chuck upper shell (8-8) and the piston (8-9).

7. An intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method as recited in claim 6, wherein: slip backing plates (8-14) are mounted on the slip inclined planes and are made of brass.

8. An intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method as recited in claim 6, wherein: the lower end of the spline shaft (8-2) is connected with a rotating speed and rotating angle sensor (8-16).

9. An intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method as recited in claim 6, wherein: the spring is a disc spring (8-11).

10. An intelligent long-stroke high-pressure rotary jet drilling machine suitable for RJP and MJS construction method as recited in claim 6, wherein: the number of the slips (8-13) is 5, the number of the grooves at the upper part of the corresponding slip shaft (8-6) is 5, and the number of the grooves of the slip seat (8-10) is 5.