CN112903505A

CN112903505A - TBM rock breaking test device

Info

Publication number: CN112903505A
Application number: CN202110073963.4A
Authority: CN
Inventors: 李小娥; 徐鹏祖; 李�瑞; 赵拴保; 赵毅; 傅宏杰; 张萍; 史双利
Original assignee: China Railway Tunnel Group Co Ltd CRTG; China Railway Tunnel Stock Co Ltd
Current assignee: China Railway Tunnel Group Co Ltd CRTG; China Railway Tunnel Stock Co Ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-06-04
Anticipated expiration: 2041-01-20
Also published as: CN112903505B

Abstract

The invention discloses a TBM rock breaking test device, which relates to the technical field of hard rock tunnel boring machines, in particular to a TBM rock breaking test device, and mainly aims to solve the problems that the existing TBM rock breaking test device cannot fix rocks well, has low rock breaking efficiency and cannot change rock breaking directions; this TBM rock breaking test device, including base, No. two bases and No. three bases, be provided with feed system on the base, No. three base one ends are kept away from to the base and are provided with the soil box, be provided with the clamping system who is used for the centre gripping rock on the soil box, the clamping system is provided with the hydraulic stem including setting up on pneumatic cylinder and the pneumatic cylinder of soil box both sides the hydraulic stem with set up slider fixed connection in the soil box inside, seted up a spout and a slider sliding fit on the soil box, No. two spouts and two No. three spouts have been seted up on the slider.

Description

TBM rock breaking test device

Technical Field

The invention relates to the technical field of hard rock tunnel boring machines, in particular to a TBM rock breaking test device.

Background

A full-face Tunnel Boring Machine (TBM) is mechanical construction equipment for underground engineering full-face excavation, and has the advantages of high construction efficiency, safety, reliability, high construction quality and the like. Under this big background, people have invented the broken rock test device of TBM, but the broken rock test device of current TBM can not be fine fixed rock, and broken rock is efficient, can not change broken rock position, has designed a broken rock test device of TBM in order to solve above-mentioned problem special design.

Disclosure of Invention

The invention aims to provide a TBM rock breaking test device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a TBM rock breaking test device, includes base, No. two bases, No. three bases, cutter braced system, a serial communication port, be provided with the cutter on the cutter braced system, be provided with the linear guide combined mechanism who is used for ordering about the broken rock of cutter on the base, No. three base one ends are kept away from to the base is provided with the soil box, be provided with the clamping system who is used for the centre gripping rock on the soil box, the clamping system is provided with the hydraulic stem including setting up on pneumatic cylinder and the pneumatic cylinder of soil box both sides the hydraulic stem is with setting up a slider fixed connection in soil box inside, seted up a spout and a slider sliding fit on the soil box, No. two spouts and two No. three spouts have been seted up on the slider, be provided with No. three sliders on No. two spouts, be provided with No. two sliders on No. three spouts, all be provided with spacing hole and set up the spacing post cooperation on a slider on No. three spouts and two sliders And (5) limiting.

On the basis of the technical scheme, the invention also provides the following optional technical scheme:

in one alternative: the linear guide rail combination mechanism comprises a feeding and retracting system, a transverse moving system and a vertical moving system, wherein a first mounting plate and a first mounting plate are arranged on the feeding and retracting system and fixedly connected with the vertical moving system, and a third mounting plate are arranged on the vertical moving system and fixedly connected with the transverse moving system.

In one alternative: advance and move back the sword system including seting up No. four spouts on the base and fixed connection at the No. two motor support frames of base tip, be provided with No. three motors on No. two motor support frames, be provided with No. four sliders of sliding fit with it on No. four spouts, No. three motor shaft fixedly connected with lead screw and a lead screw use with No. four slider cooperations, be provided with the mounting panel No. four on the slider.

In one alternative: vertical moving system is including setting up No. three bases on installation version, No. three bases have been seted up and have been provided with vertical slider on No. five spouts and No. five spouts, No. three base upper end is provided with and is provided with No. four motors on No. three motor support frames and No. three motor support frames, No. two lead screws of fixedly connected with and No. two lead screws use with vertical slider cooperation in the pivot of No. four motors, be provided with the backup pad No. three on the vertical slider.

In one alternative: the transverse moving system comprises a second base, a motor support plate and a second base are arranged on the second base, a second motor is arranged on the motor support plate, a fifth sliding block and a fifth sliding block which are in sliding fit with the second sliding block are arranged on the second sliding block, the fifth sliding block is matched with a third screw rod arranged on the motor support plate, and a second mounting plate is arranged on the fifth sliding block.

In one alternative: the utility model discloses a cutter supporting system, including base, cutter mounting system, backup pad and support frame, cutter mounting system sets up on No. two mounting panels on No. two bases, be provided with the support frame that three equidistance distributes in backup pad and the backup pad on No. two mounting panels, be provided with the slider on the support frame, be provided with gear drive system on the slider.

In one alternative: gear drive system includes the backup pad, the backup pad tip is provided with the pivot fixedly connected with main shaft of a motor and a motor, the cover is equipped with the ring gear on the main shaft, No. three sliders and slider sliding fit have been seted up on the ring gear, the main shaft is kept away from No. two base one ends and is provided with sun gear and planetary gear and add, planetary gear is provided with planetary gear and sun gear and both all with sun gear engagement in addition, planetary gear, sun gear and intermeshing.

In one alternative: be provided with the knife rest on a planetary gear, sun gear and No. two planetary gears, be provided with the blade disc on the knife rest, be provided with six evenly distributed's cutter on the blade disc, the cutter adopts screw-thread fit with the blade disc.

Compared with the prior art, the invention has the following beneficial effects:

1. the device is provided with the rock fixing system, so that the problem that rocks are instable to install and always fall off in a rock breaking test is solved, but the conventional TBM rock breaking test device cannot well fix the rocks, has low rock breaking efficiency and cannot change the rock breaking direction;

2. according to the device, a tool rest is designed according to the characteristic that the planetary gear can rotate around a target in a specific mode, so that the rock breaking efficiency can be improved, and the rock can be broken comprehensively;

3. this device has set up linear guide combined mechanism for the cutter can carry out the direction transform according to the rock position.

Drawings

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

Fig. 2 is a schematic structural view of the gear transmission system of the present invention.

FIG. 3 is a schematic view of a clamping system according to the present invention.

Fig. 4 is a schematic structural diagram of the linear guide rail combination mechanism of the present invention.

Notations for reference numerals: base 1, No. two base 2, No. three base 3, support frame 4, support plate 5, No. one motor 6, gear ring 7, tool rest 8, cutter head 9, soil box 10, hydraulic cylinder 11, main shaft 12, slide block 13, No. one planetary gear 14, sun gear 15, No. two planetary gear 16, planetary gear plus 17, 18, hydraulic rod 19, No. one chute 20, No. two chute 21, No. one slide block 22, No. two slide block 23, spacing hole 24, spacing post 25, No. three chute 26, No. three slide block 27, 28, No. one lead screw 29, No. four chute 30, No. four slide block 31, No. one installation plate 32, No. five chute 33, No. two lead screw 34, No. two installation plate 35, No. three lead screw 36, motor support plate 37, No. two motor 38, motor support frame 39, No. five slide block 40, No. six chute 41, No. three motor 42, No. two motor support frame 43, No. three installation plate 44, No. three motor support frame 45, No. three, A fourth motor 46, a cutter 47 and a cutter mounting position 48.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1 to 4, the embodiment of the invention includes a base 1, a second base 2, a third base 3, and a tool supporting system, and is characterized in that a tool 47 is disposed on the tool supporting system, a linear guide rail combination mechanism for driving the tool 47 to break rock is disposed on the base 1, a soil box 10 is disposed at one end of the base 1 away from the third base 3, a clamping system for clamping rock is disposed on the soil box 10, the clamping system includes a hydraulic cylinder 11 disposed at two sides of the soil box 10, a hydraulic rod 19 is disposed on the hydraulic cylinder 11, the hydraulic rod 19 is fixedly connected with a first slide block 22 disposed inside the soil box 10, a first slide groove 20 is disposed on the soil box 10, the first slide groove 20 is slidably matched with the first slide block 22, a second slide groove 21 and two third slide grooves 26 are disposed on the first slide block 22, a third slide block 27 is disposed on the second slide groove 21, the third sliding groove 26 is provided with a second sliding block 23, the third sliding groove 26 and the second sliding block 23 are both provided with a limiting hole 24, the limiting hole 24 is matched with a limiting column 25 arranged on the first sliding block 22 to limit, the linear guide rail combination mechanism comprises a feeding and retracting system, a transverse moving system and a vertical moving system, the feeding and retracting system is provided with a first mounting plate 32, the first mounting plate is fixedly connected with the vertical moving system, the vertical moving system is provided with a third mounting plate 44, the third mounting plate 44 is fixedly connected with the transverse moving system, the feeding and retracting system comprises a fourth sliding groove 30 arranged on the base 1 and a second motor support frame 43 fixedly connected with the end part of the base 1, the second motor support frame 43 is provided with a third motor 42, and the fourth sliding groove 30 is provided with a fourth sliding block 31 in sliding fit with the fourth sliding groove, the third motor 42 is fixedly connected with a first lead screw 29 and the first lead screw 29 is matched with a fourth slide block 31 for use, a first installation plate 32 is arranged on the fourth slide block 31, the vertical moving system comprises a third base 3 arranged on the first installation plate 32, the third base 3 is provided with a fifth chute 33 and the fifth chute 33 is provided with a vertical slide block, the upper end part of the third base 3 is provided with a third motor support frame 45 and the third motor support frame 45 is provided with a fourth motor 46, the rotating shaft of the fourth motor 46 is fixedly connected with a second lead screw 34 and the second lead screw 34 is matched with the vertical slide block for use, the vertical slide block is provided with a third support plate 44, the horizontal moving system comprises a second base 2, the second base 2 is provided with a motor support plate 37 and a sixth chute 41 arranged in the second base 2, the motor support plate 37 is provided with a second motor 38, the six sliding grooves 41 are provided with five sliding blocks 40 in sliding fit with the six sliding grooves, the five sliding blocks 40 are matched with the third screw rods 36 arranged on the motor supporting plate 37 for use, and the five sliding blocks 40 are provided with second mounting plates 35.

When the device is used specifically, firstly, the hydraulic cylinder 11 is started, the hydraulic cylinder 11 pushes the hydraulic rod 19, the hydraulic rod 19 pushes the first slide block 22, the third slide block 27 and the second slide block 23 in the first slide block 22 can fasten and clamp the second mounting plate 35 under the limiting action of the limiting hole 24 and the limiting column 25, and secondly, the feeding system, the vertical system and the transverse system are started to enable the tool to be aligned with rocks to simulate rock breaking;

state cutter braced system including setting up No. two mounting panels 35 on No. two bases 2, be provided with support frame 4 that three equidistance distributes on backup pad 5 and the backup pad 5 on No. two mounting panels 35, be provided with slider 13 on the support frame 4, be provided with gear drive system on the slider 13, gear drive system includes

backup pad

5, 5 tip in backup pad are provided with pivot fixedly connected with main shaft 12 of a motor 6 and a motor 6, the cover is equipped with ring gear 7 on the main shaft 12, No. three slider 27 and slider 13 sliding fit have been seted up on ring gear 7, No. 2 one end of base is kept away from to main shaft 12 is provided with sun gear 15 and planetary gear and 17, planetary gear adds and 17 and is last to be provided with planetary gear 14 and sun gear 15 and both all meshes with sun gear 15, planetary gear 14, Sun

gears

15 and 7 are intermeshed;

during the specific use, because gear drive system is supported by support frame 4, can not lead to falling because of self gravity, secondly, be provided with on the support frame 4 with ring gear 7 complex slider, can guarantee ring gear 7 can not be because of the bite and can not normally rotate, finally, the cutter can be around the rotatory cutting of rock under gear drive system's drive, and can both make broken rock more high-efficient because of every cutter is rotatory around ring gear 7.

Example 2

The embodiment of the invention is different from the embodiment 1 in that the first planetary gear 14, the sun gear 15 and the second planetary gear 16 are provided with tool holders 8, the tool holders 8 are provided with tool heads 9, the tool heads 9 are provided with six uniformly distributed tools 47, and the tools 47 are in threaded fit with the tool heads 9;

during the specific use, because be provided with six evenly distributed's cutter 47 on the blade disc 9 and make broken rock more have efficiency, simultaneously because cutter 47 and blade disc 9 adopt screw-thread fit for it is convenient to change after the cutter 47 appears wearing and tearing.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A TBM rock breaking test device comprises a base (1), a second base (2), a third base (3) and a cutter supporting system, and is characterized in that a cutter (47) is arranged on the cutter supporting system, a linear guide rail combination mechanism for driving the cutter (47) to break rock is arranged on the base (1), a soil box (10) is arranged at one end, away from the third base (3), of the base (1), a clamping system for clamping rock is arranged on the soil box (10), the clamping system comprises hydraulic cylinders (11) arranged on two sides of the soil box (10), hydraulic rods (19) are arranged on the hydraulic cylinders (11), the hydraulic rods (19) are fixedly connected with a sliding block (22) arranged inside the soil box (10), a sliding groove (20) is formed in the soil box (10), and the sliding groove (20) is in sliding fit with the sliding block (22), no. two spout (21) and two No. three spouts (26) have been seted up on slider (22), be provided with No. three slider (27) on No. two spout (21), be provided with No. two slider (23) on No. three spout (26), all be provided with spacing hole (24) and spacing hole (24) on No. three spout (26) and No. two slider (23) and cooperate with spacing post (25) of setting on slider (22) and play limiting displacement.

2. The TBM rock breaking test device according to claim 1, wherein the linear guide rail combination mechanism comprises a feeding and retracting system, a transverse moving system and a vertical moving system, a first mounting plate (32) is arranged on the feeding and retracting system and fixedly connected with the vertical moving system, and a third mounting plate (44) is arranged on the vertical moving system and fixedly connected with the transverse moving system, wherein the third mounting plate (44) is fixedly connected with the transverse moving system.

3. The TBM rock breaking test device according to claim 2, wherein the advancing and retreating cutter system comprises a fourth sliding groove (30) formed in the base (1) and a second motor support frame (43) fixedly connected to the end of the base (1), a third motor (42) is arranged on the second motor support frame (43), a fourth sliding block (31) in sliding fit with the fourth sliding groove (30) is arranged on the fourth sliding groove (30), a first screw rod (29) and a first screw rod (29) are fixedly connected to a rotating shaft of the third motor (42) and matched with the fourth sliding block (31), and a first installation plate (32) is arranged on the fourth sliding block (31).

4. The TBM rock breaking test device according to claim 2, wherein the vertical moving system comprises a third base (3) arranged on a first installation plate (32), the third base (3) is provided with a fifth sliding groove (33) and a vertical sliding block is arranged on the fifth sliding groove (33), the upper end of the third base (3) is provided with a third motor support frame (45) and a fourth motor (46) is arranged on the third motor support frame (45), a second lead screw (34) and a second lead screw (34) are fixedly connected to a rotating shaft of the fourth motor (46) and are matched with the vertical sliding block for use, and the vertical sliding block is provided with a third support plate (44).

5. The TBM rock breaking test device according to claim 2, wherein the transverse moving system comprises a second base (2), a motor support plate (37) is arranged on the second base (2), a sixth sliding groove (41) is formed in the second base (2), a second motor (38) is arranged on the motor support plate (37), a fifth sliding block (40) in sliding fit with the sixth sliding groove (41) and a fifth sliding block (40) are arranged on the sixth sliding groove (41) and matched with a third screw rod (36) arranged on the motor support plate (37), and a second mounting plate (35) is arranged on the fifth sliding block (40).

6. The TBM rock breaking test device according to claim 1, wherein the cutter supporting system is arranged on a second mounting plate (35) on a second base (2), a support plate (5) is arranged on the second mounting plate (35), three support frames (4) are arranged on the support plate (5) at equal intervals, a sliding block (13) is arranged on each support frame (4), and a gear transmission system is arranged on each sliding block (13).

7. The TBM rock breaking test device according to claim 6, characterized in that gear transmission system includes backup pad (5), backup pad (5) tip is provided with pivot fixedly connected with main shaft (12) of a motor (6) and a motor (6), the cover is equipped with ring gear (7) on main shaft (12), seted up No. three slider (27) and slider (13) sliding fit on ring gear (7), main shaft (12) keep away from No. two base (2) one end and be provided with sun gear (15) and planetary gear with (17), planetary gear adds and is provided with planetary gear (14) and sun gear (15) on (17) and both all with sun gear (15) meshing, planetary gear (14), sun gear (15) and (7) intermeshing.

8. The TBM rock breaking test device according to claim 7, wherein tool holders (8) are arranged on the first planetary gear (14), the sun gear (15) and the second planetary gear (16), a tool disc (9) is arranged on the tool holder (8), six uniformly distributed tools (47) are arranged on the tool disc (9), and the tools (47) are in threaded fit with the tool disc (9).