Detachable crawler-type hydraulic anchor cable drilling machine and cantilever crane structure in narrow and small space

Abstract

The utility model discloses a detachable crawler-type hydraulic anchor cable drilling machine and an arm support structure in a narrow space. The device comprises a walking mechanism, a chassis, a power system and an arm support system. The walking mechanism is detachably connected with the chassis through bolts, and rapid switching between the self-walking mode and the fixed machine position mode of the crawler belt is achieved. The arm support system is of a hinged connection structure, the drilling angle is adjusted through a push cylinder, and the tail end of the track is provided with an axially telescopic sliding compensation track section. The power head is dynamically connected with the track through a plurality of groups of elastic roller mechanisms, and a roller group adopts an elastic connecting structure that a T-shaped groove inserting rod is matched with a spring. By means of the design, the problems that a traditional drilling machine is limited in movement in a narrow space, poor in drilling precision, low in rod replacement efficiency and the like are effectively solved, equipment height adjustment is achieved through modular disassembly and assembly of the crawler belts, the length of a single-time connecting rod is increased in cooperation with the axial compensation track, the rod replacement time is shortened, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cavern construction technical field, concretely is a kind of detachable caterpillar type hydraulic anchor cable drill and jib structure under narrow space. BACKGROUND

[0002] In water conservancy and hydropower, underground cavern and other projects, crown arch and periphery often adopt through anchor cable reinforcement technology to improve structural stability. Such construction scene is usually located in city gate type anchoring cave, drainage cave and other narrow space, and actual operation space size is often less than 4m (wide) x 3.8m (high). The structure of rack type down-the-hole drill machine widely used in traditional construction is heavy, needs to be configured hoisting equipment to assist transfer, which leads to low construction efficiency, and is easy to cross interference with facilities such as drainage ditch, ventilation pipeline in cave when moving in narrow space. Moreover, rack type drill machine adopts pneumatic drive, and power transmission stability is poor, and deviation is easy to occur in drilling process, so it is difficult to meet the requirements of high-precision anchor cable hole position. In addition, when long drill rod (such as 2m single-time connecting rod) is replaced, traditional jib lacks axial compensation function, so that drill rod dismounting and installation take a long time, which affects construction progress. Finally, fixed chassis design cannot meet the construction requirements of self-propelled and fixed position, and flexibility is insufficient in complex geological conditions or scenes needing frequent displacement. SUMMARY

[0003] The utility model provides a kind of detachable caterpillar type hydraulic anchor cable drill and jib structure under narrow space to solve the technical problems of traditional rack type pneumatic down-the-hole drill machine, heavy, low drilling accuracy, inconvenient to move and other problems, to meet the construction requirements of self-propelled and fixed position in multiple scenes.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a kind of detachable caterpillar type hydraulic anchor cable drill and jib structure under narrow space, including walking mechanism, the walking mechanism top is equipped with chassis, and the chassis is equipped with power system and jib system;

[0005] The jib system includes track, and the track is equipped with power head, and the tail end of track is equipped with sliding compensation track section.

[0006] In preferred scheme, detachable connection is used between walking mechanism and chassis, and walking mechanism and chassis are fixed by bolt connection.

[0007] In preferred scheme, the walking mechanism is driven by hydraulic pressure, and power system is powered by external power supply, and is connected with chassis by hydraulic oil pipe to provide hydraulic driving force.

[0008] In preferred scheme, the first connecting seat is arranged on the chassis, the second connecting seat is arranged on the front end of jib system, and the first connecting seat and the second connecting seat are hinged.

[0009] In the preferred solution, a third connecting seat is further arranged on the chassis, and a pushing cylinder is arranged on the third connecting seat, the cylinder body of the pushing cylinder is hinged to the third connecting seat, and the pushing rod of the pushing cylinder is hinged to the second connecting seat.

[0010] In the preferred solution, the sliding compensation track section is a telescopic guide rail structure, and the telescopic direction of the sliding compensation track section is consistent with the axial direction of the track.

[0011] In the preferred solution, a plurality of groups of rollers are arranged on the two sides of the power head, and the rollers are arranged in the grooves on the two sides of the track.

[0012] The sliding compensation track section is sleeved in the track.

[0013] In the preferred solution, each group of rollers includes two rollers arranged above and below each other, the two rollers are connected through a vertical shaft, a sleeve is arranged on the shaft, a connecting block is fixed on the outer wall of the sleeve, the connecting block passes through the groove on the side of the track and is fixedly connected with the power head.

[0014] In the preferred solution, a T-shaped slot is arranged on the connecting block, a plug rod is fixed on the outer wall of the sleeve, the plug rod is inserted into the T-shaped slot, a limiting piece is arranged at the end of the plug rod in the T-shaped slot, and a spring is further sleeved on the plug rod in the T-shaped slot.

[0015] The detachable track-type hydraulic anchor cable drilling machine and the boom structure in a narrow space provided by the utility model have the following beneficial effects by adopting the above structure:

[0016] (1) The quick switching design of the detachable track-type running chassis and the fixed chassis enables the drilling machine to be self-moved through the track to adapt to frequent site changing requirements, and the height of the whole machine is reduced after the track is removed, so that the drilling machine can adapt to narrow spaces with limited height, and the problems of movement difficulty and space interference caused by the large size of traditional equipment are solved.

[0017] (2) The axial telescopic design of the sliding compensation track and the track enables the position of the power head to be dynamically adjusted during drilling, the length of the single joint rod can reach 2m, the time for rod withdrawal and rod replacement is reduced, and the construction efficiency is improved by more than 30%. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described in connection with the drawings and examples:

[0019] Fig. 1 It is the whole structure schematic view of the utility model.

[0020] Fig. 2 It is the boom system structure schematic view of the utility model.

[0021] Fig. 3 It is the track and the sliding compensation track section connecting end structure schematic view of the utility model.

[0022] Fig. 4 It is the track section structure schematic diagram of the utility model.

[0023] Figs. 5-7 It is the equipment position of the utility model under different operation angle schematic diagram.

[0024] In the figure: walking mechanism 1, chassis 2, power system 3, jib system 4, power head 4-1, track 4-2, sliding compensation track section 4-3, first connecting seat 5, second connecting seat 6, push cylinder 7, third connecting seat 8, roller 9, wheel shaft 9-1, sleeve 10, connecting block 11, T-shaped slot 11-1, plug rod 12, limit piece 12-1, spring 13. DETAILED DESCRIPTION

[0025] Example 1:

[0026] As Figs. 1-2 In narrow space, a detachable track type hydraulic anchor cable drill and jib structure, including walking mechanism 1, the walking mechanism 1 top is equipped with chassis 2, and the chassis 2 is equipped with power system 3 and jib system 4;

[0027] The jib system 4 includes track 4-2, and the track 4-2 is equipped with power head 4-1, and the tail end of the track 4-2 is equipped with sliding compensation track section 4-3.

[0028] In the preferred scheme, the walking mechanism 1 and the chassis 2 are detachably connected, and the walking mechanism 1 and the chassis 2 are fixed by bolt connection.

[0029] In the preferred scheme, the walking mechanism 1 is driven by hydraulic pressure, the power system 3 is powered by external power supply, and is connected with the chassis 2 by hydraulic oil pipe to provide hydraulic driving force.

[0030] In the preferred scheme, the first connecting seat 5 is arranged on the chassis 2, the second connecting seat 6 is arranged on the front end of the jib system 4, and the first connecting seat 5 and the second connecting seat 6 are hinged.

[0031] In the preferred scheme, the third connecting seat 8 is further arranged on the chassis 2, the push cylinder 7 is installed on the third connecting seat 8, the cylinder body of the push cylinder 7 is hinged with the third connecting seat 8, and the push rod of the push cylinder 7 is hinged with the second connecting seat 6.

[0032] Example 2:

[0033] As Figs. 3-4 In the preferred scheme, the sliding compensation track section 4-3 is a telescopic guide rail structure, and the telescopic direction is consistent with the axial direction of the track 4-2.

[0034] In the preferred embodiment, the power head 4-1 is provided with a plurality of groups of rollers 9 on both sides, which are arranged in the grooves on both sides of the track 4-2.

[0035] The sliding compensation track segment 4-3 is arranged in the track 4-2.

[0036] In the preferred embodiment, each group of rollers 9 includes two rollers 9 arranged vertically, which are connected by a vertical axle 9-1, and the axle 9-1 is provided with a sleeve 10, the outer wall of the sleeve 10 is fixed with a connecting block 11, the connecting block 11 passes through the groove on the side of the track 4-2 and is fixedly connected with the power head 4-1.

[0037] In the preferred embodiment, the connecting block 11 is provided with a T-shaped slot 11-1, the outer wall of the sleeve 10 is fixed with a plug rod 12, the plug rod 12 is inserted into the T-shaped slot 11-1, the end of the plug rod 12 in the T-shaped slot 11-1 is provided with a limiting piece 12-1, and the plug rod 12 in the T-shaped slot 11-1 is further provided with a spring 13.

[0038] The installation process of the detachable track-type hydraulic anchor cable drilling machine and the boom structure in a narrow space is as follows:

[0039] The traveling mechanism 1 is horizontally placed in the operation area, and the connecting holes on the traveling mechanism 1 are aligned with and fastened to the pre-set connecting holes on the chassis 2 through fixing bolts.

[0040] The power system 3 is hoisted to the top of the chassis 2 and fixedly connected through bolts. At the same time, the hydraulic oil pipe interfaces are connected through pipeline alignment, and the hydraulic pipeline connection is completed through quick plug connectors.

[0041] Check whether the hydraulic drive device of the traveling mechanism 1 is in communication with the main machine power system 3, and confirm that the track wheel group can normally operate.

[0042] The track 4-2 of the boom system 4 is connected with the chassis 2 through the first connecting seat 5 and the second connecting seat 6. The specific steps are as follows:

[0043] The second connecting seat 6 at the front end of the boom is hingedly connected with the first connecting seat 5 on the chassis through a pin shaft;

[0044] The boom angle is adjusted by the push cylinder 7: the push cylinder body is hingedly connected to the third connecting seat 8 of the chassis, the push rod is hingedly connected to the second connecting seat 6, the hydraulic system is started to drive the push cylinder to extend and retract, and the boom reaches the preset elevation angle.

[0045] The power head 4-1 is installed on the track 4-2:

[0046] The rollers 9 on both sides of the power head are embedded in the grooves on both sides of the track 4-2 and are fixed through the connecting block 11 and the sleeve 10.

[0047] The plug 12 is inserted into the T-shaped slot 11-1 of the connecting block 11, and the spring 13 is compressed and locked by the limiting piece 12-1, ensuring that the roller 9 is in close contact with the track 4-2 to prevent slipping.

[0048] Manual test of the telescopic function of the sliding compensation track section 4-3: pull the compensation track out from the tail end of the track 4-2, with a maximum extension length of 700mm, and fix the position by locking pin. Move the power head 4-1 along the track 4-2 into the sliding compensation track section 4-3.

[0049] When running:

[0050] Start the main power system 3, which is powered by an external power source to drive the hydraulic pump station, providing power for the crawler walking.

[0051] Operate the control console to drive the walking mechanism 1 to move inside the hole to the target hole position, and adjust the drilling angle to the horizontal direction using the arm frame posture adjustment system.

[0052] Install the double-casing drill: the outer wall protection casing and drill pipe are clamped by the power head 4-1, and the drilling operation is started. During drilling, the power head advances along the track 4-2, and after a single drilling depth of 2m, the sliding compensation track 4-3 is extended, the power head is retreated to the tail end of the track, and after quick rod connection, the drilling continues until the designed depth is reached.

[0053] During the rod withdrawal stage of drilling, after the power head 4-1 is retreated to the front end of the track 4-2, continue to pull out the sliding compensation track section 4-3 by 700mm to provide additional rod withdrawal space.

[0054] After a single drill pipe (2m) is completely withdrawn, the sliding compensation track section 4-3 is retracted, the power head is reset, and the entire process of rod replacement time is shortened to within 3 minutes.

Claims

1. A detachable track type hydraulic anchor cable drilling machine and boom structure under narrow space, comprising a running gear (1), characterized in that: The walking mechanism (1) top is equipped with chassis (2), chassis (2) is equipped with power system (3) and arm support system (4); The arm support system (4) includes a track (4-2), the track (4-2) is equipped with power head (4-1), the tail end of track (4-2) is equipped with sliding compensation track section (4-3).

2. The detachable caterpillar hydraulic anchor cable drilling machine and boom structure in a narrow space according to claim 1, characterized in that: The walking mechanism (1) and chassis (2) are detachably connected, and the walking mechanism (1) and chassis (2) are fixed by bolt connection.

3. The detachable caterpillar hydraulic anchor cable drilling machine and boom structure in narrow space according to claim 1, characterized in that: The walking mechanism (1) is driven by hydraulic pressure, the power system (3) is powered by external power supply, and is connected with the chassis (2) by hydraulic oil pipe to provide hydraulic driving force.

4. The detachable caterpillar hydraulic anchor cable drilling machine and boom structure in narrow space according to claim 1, characterized in that: The chassis (2) is equipped with a first connecting seat (5), the front end of the arm support system (4) is equipped with a second connecting seat (6), and the first connecting seat (5) and the second connecting seat (6) are hinged.

5. The detachable caterpillar hydraulic anchor cable drilling machine and boom structure in a narrow space according to claim 4, characterized in that: The chassis (2) is further equipped with a third connecting seat (8), a push cylinder (7) is installed on the third connecting seat (8), the cylinder body of the push cylinder (7) is hinged with the third connecting seat (8), and the push rod of the push cylinder (7) is hinged with the second connecting seat (6).

6. The detachable caterpillar hydraulic anchor cable drilling machine and boom structure in narrow space according to claim 1, characterized in that: The sliding compensation track section (4-3) is a telescopic guide rail structure, and the telescopic direction is consistent with the axial direction of the track (4-2).

7. The detachable caterpillar hydraulic anchor cable drilling machine and boom structure in narrow space according to claim 1, characterized in that: The power head (4-1) is equipped with a plurality of groups of rollers (9) on both sides, and the rollers (9) are arranged in the slots on both sides of the track (4-2); The sliding compensation track section (4-3) is sleeved in the track (4-2).

8. The detachable caterpillar hydraulic anchor cable drilling machine and boom structure in a narrow space according to claim 7, characterized in that: A group of the rollers (9) includes two rollers (9) arranged vertically, the two rollers (9) are connected by a vertical shaft (9-1), a sleeve (10) is arranged on the shaft (9-1), a connecting block (11) is fixed on the outer wall of the sleeve (10), the connecting block (11) passes through the slot on the side of the track (4-2) and is connected and fixed with the power head (4-1).

9. The detachable caterpillar hydraulic anchor cable drilling machine and boom structure in a narrow space according to claim 8, characterized in that: The connecting block (11) is equipped with a T-shaped slot (11-1), a plug rod (12) is fixed on the outer wall of the sleeve (10), the plug rod (12) is inserted into the T-shaped slot (11-1), the end of the plug rod (12) in the T-shaped slot (11-1) is equipped with a limiting piece (12-1), and a spring (13) is further sleeved on the plug rod (12) in the T-shaped slot (11-1).

Images