CN211397579U

CN211397579U - Cantilever type heading machine with pre-cutting device

Info

Publication number: CN211397579U
Application number: CN202020119549.3U
Authority: CN
Inventors: 田良; 秦宇飞; 王晨
Original assignee: Zhongnan Shanhe Co ltd
Current assignee: China Electric Power Construction (Yunfu) Green Mining Co.,Ltd.
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-09-01
Anticipated expiration: 2030-01-19

Abstract

The utility model belongs to the technical field of the boom-type roadheader, especially, be a boom-type roadheader with cut device in advance, including the boom-type roadheader body, the cut arm apron of setting on the boom-type roadheader body and the cut device in advance of setting on the cut arm apron, cut device includes the brace table of fixed connection at cut arm apron top in advance, the motor of setting in the brace table, the cantilever of sliding connection on the brace table and the cutterhead of fixed connection in cantilever one end, top one side sliding connection of brace table has the mounting panel, the cantilever passes through bolt fixed connection in the top of mounting panel, the inboard sliding connection of brace table has the slide, the motor passes through bolt fixed connection on the slide, the fixed cup joints on the output shaft of motor has the gear. The utility model has the advantages of reasonable design, during the motor circular telegram alright rotate and walk on two racks to the action is stretched out and withdrawed to quick realization cutterhead, conveniently controls, and actuating mechanism compact structure, quality are light, and occupation space is little, is fit for using widely.

Description

Cantilever type heading machine with pre-cutting device

Technical Field

The utility model relates to a boom-type entry driving machine technical field especially relates to a boom-type entry driving machine with cut device in advance.

Background

The boom-type roadheader has been widely used in the roadway tunneling production so far, for example, chinese patent with publication number CN206419011U discloses a boom-type roadheader with a pre-cutting device, which comprises a boom-type roadheader, wherein the pre-cutting device consisting of a support table, a telescopic cylinder, a cantilever and a cutting head is arranged on a cutting arm cover plate of an original cutting part of the boom-type roadheader, the support table is connected to the cutting arm cover plate of the roadheader, a longitudinal long straight dovetail groove is arranged on the support table, the cantilever is positioned on the support table and can slide along the dovetail groove, the cylinder body end of the telescopic cylinder is hinged to the cutting arm cover plate of the roadheader, one end of the cantilever is connected to the piston rod end of the telescopic cylinder, and the other end of the cantilever is connected to the cutting head. When the tunnel is tunneled, the pre-cutting device is firstly adopted to accurately cut the profile of the tunnel section, and then the original cutting part of the tunneling machine is utilized to rapidly cut in the area within the profile of the tunnel section, so that the cutting of the section can be completed at a higher speed, and the tunneling efficiency and the section forming precision of the tunneling machine are improved.

However, the above design has disadvantages, and the driving mechanism of the cutting head in the boom-type roadheader designed in the above patent occupies a large space and is heavy, increases the load of the boom-type roadheader, and is not beneficial to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art, and provides a cantilever type heading machine with a pre-cutting device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a boom-type heading machine with cut device in advance, includes boom-type heading machine body, sets up the cutting arm apron on boom-type heading machine body and sets up the cut device in advance on the cutting arm apron, cut device in advance includes the brace table of fixed connection at cutting arm apron top, sets up motor, the cantilever of sliding connection on the brace table and the cutterhead of fixed connection in cantilever one end in the brace table, top one side sliding connection of brace table has the mounting panel, the cantilever passes through bolt fixed connection in the top of mounting panel, and the inboard sliding connection of brace table has the slide, the motor passes through bolt fixed connection on the slide, the fixed cover of having connect the gear on the output shaft of motor, the outside top of gear meshes with the bottom side of mounting panel mutually, the outside bottom of gear meshes with the inboard of brace table mutually.

Preferably, the bottom of the mounting plate and the inner side bottom of the supporting platform are fixedly connected with a first rack and a second rack respectively, and the first rack and the second rack are both meshed with the gear, so that the bottom of the mounting plate and the inner side of the supporting platform are stably meshed with the gear.

Preferably, the first rack and the second rack are arranged in a central symmetry mode on the basis of the central axis of the gear, and the motor is electrically connected with a peripheral controller, so that the first rack and the second rack are reasonably distributed, and the occupied space is reduced.

Preferably, the inner side of the supporting table is fixedly connected with a plurality of groups of horizontally arranged guide rails, and the sliding seat is sleeved on the guide rails in a sliding manner, so that the sliding seat can slide smoothly.

Preferably, the number of the guide rails is at least two, and the guide rails are arranged at equal intervals, so that the sliding seat can run stably.

The cantilever type heading machine with the pre-cutting device drives the gear to rotate anticlockwise by electrifying the motor, the gear walks and moves to the left side on the second rack when rotating anticlockwise, and drives the first rack to walk and move to the left side when rotating anticlockwise;

the cantilever type heading machine with the pre-cutting device drives the mounting plate, the cantilever and the cutting head to move to the left side through the first rack, so that the cutting head of the pre-cutting device contacts the section of the roadway, and the cutting head is operated to accurately cut the profile of the section of the roadway;

the utility model has the advantages of reasonable design, during the motor circular telegram alright rotate and walk on two racks to the action is stretched out and withdrawed to quick realization cutterhead, conveniently controls, and actuating mechanism compact structure, quality are light, and occupation space is little, is fit for using widely.

Drawings

Fig. 1 is a schematic structural view of a boom-type roadheader with a pre-cutting device according to the present invention;

fig. 2 is a schematic structural view of a pre-cutting device part provided by the present invention;

fig. 3 is a top view of the motor, the slide, the gear and the guide rail according to the present invention.

In the figure: 1. a boom-type roadheader body; 2. a cutting arm cover plate; 3. a support table; 4. a motor; 5. a cantilever; 6. a cutting head; 7. mounting a plate; 8. a slide base; 9. a gear; 10. a first rack; 11. a second rack; 12. a guide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, a boom-type roadheader with a pre-cutting device comprises a boom-type roadheader body 1, a cutting arm cover plate 2 arranged on the boom-type roadheader body 1 and a pre-cutting device arranged on the cutting arm cover plate 2, wherein the pre-cutting device comprises a supporting table 3 fixedly connected to the top of the cutting arm cover plate 2, a motor 4 arranged in the supporting table 3, cantilever 5 and the cutterhead 6 of fixed connection in 5 one ends of cantilever on a supporting bench 3 of sliding connection, top one side sliding connection of supporting bench 3 has mounting panel 7, cantilever 5 passes through bolt fixed connection in the top of mounting panel 7, the inboard sliding connection of supporting bench 3 has slide 8, motor 4 passes through bolt fixed connection on slide 8, the fixed cover that has cup jointed gear 9 on motor 4's the output shaft, the outside top of gear 9 meshes with the bottom side of mounting panel 7 mutually, the outside bottom of gear 9 meshes with the inboard of supporting bench 3 mutually.

The utility model discloses in, the bottom of mounting panel 7 and the inboard bottom of brace table 3 are the first rack 10 of fixedly connected with and second rack 11 respectively, and first rack 10 and second rack 11 all mesh with gear 9 mutually for the bottom of mounting panel 7 and the inboard and the stable meshing of gear 9 of brace table 3.

The utility model discloses in, first rack 10 and second rack 11 are central symmetry setting based on gear 9's axis, motor 4 and the controller electric connection of peripheral hardware for

first rack

10 and 11 rational distribution of second rack reduce occupation space.

The utility model discloses in, the guide rail 12 that the inboard fixedly connected with multiunit level of brace table 3 set up, slide 8 slides and cup joints on guide rail 12 for slide 8 smooth and easy slip.

The utility model discloses in, the quantity of guide rail 12 is two at least, and a plurality of guide rail 12 equidistant intervals set up for slide 8 even running.

In the utility model, when in use, the external controller is arranged in the cab of the boom-type roadheader body 1, firstly, the original cutting head of the boom-type roadheader body 1 is withdrawn and can not contact the roadway section, thereby not influencing the normal work of the cutting head 6 of the pre-cutting device; then controlling a lifting oil cylinder and a rotary oil cylinder of the boom-type roadheader body 1, enabling the cutting head 6 to move to a proper position, starting a controller of the pre-cutting device, electrifying the motor 4 to drive the gear 9 to rotate anticlockwise, walking and moving on the second rack 11 to the left side when the gear 9 rotates anticlockwise, driving the first rack 10 to walk and move to the left side when the gear 9 rotates anticlockwise, driving the mounting plate 7, the cantilever 5 and the cutting head 6 to move to the left side by the first rack 10 at the moment, enabling the cutting head 6 of the pre-cutting device to contact the section of the roadway, and controlling the cutting head 6 to accurately cut the section profile of the roadway; after the profile of the roadway section is cut, controlling an output shaft of the motor 4 to rotate clockwise to enable a cutting head 6 of the pre-cutting device to return to an initial position; and then the original cutting head of the cantilever type heading machine body 1 is extended, so that the cutting of the whole section can be rapidly completed in the area within the profile of the section of the roadway.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Claims

1. A boom-type roadheader with a pre-cutting device comprises a boom-type roadheader body (1), a cutting arm cover plate (2) arranged on the boom-type roadheader body (1) and the pre-cutting device arranged on the cutting arm cover plate (2), wherein the pre-cutting device comprises a supporting table (3) fixedly connected to the top of the cutting arm cover plate (2), a motor (4) arranged in the supporting table (3), a cantilever (5) slidably connected to the supporting table (3) and a cutting head (6) fixedly connected to one end of the cantilever (5), and is characterized in that one side of the top of the supporting table (3) is slidably connected with a mounting plate (7), the cantilever (5) is fixedly connected to the top of the mounting plate (7) through bolts, the inner side of the supporting table (3) is slidably connected with a sliding seat (8), the motor (4) is fixedly connected to the sliding seat (8) through bolts, the output shaft of the motor (4) is fixedly sleeved with a gear (9), the top of the outer side of the gear (9) is meshed with the bottom side of the mounting plate (7), and the bottom of the outer side of the gear (9) is meshed with the inner side of the supporting table (3).

2. A boom miner with pre-cutting means according to claim 1 characterised in that the bottom of the mounting plate (7) and the inside bottom of the support bench (3) are fixedly connected with a first rack (10) and a second rack (11), respectively, and the first rack (10) and the second rack (11) are both in mesh with the gear wheel (9).

3. The boom excavator with the pre-cutting device according to claim 2, wherein the first rack (10) and the second rack (11) are arranged in a central symmetry manner based on a central axis of the gear (9), and the motor (4) is electrically connected with an external controller.

4. The boom excavator with pre-cutting device according to claim 1, characterized in that a plurality of sets of horizontally arranged guide rails (12) are fixedly connected to the inner side of the support platform (3), and the sliding base (8) is slidably sleeved on the guide rails (12).

5. A boom miner with pre-cutting means according to claim 4 characterised in that the number of guide rails (12) is at least two and a number of guide rails (12) are arranged at equal intervals.