CN211924065U

CN211924065U - Roof cutting drill carriage for coal mine

Info

Publication number: CN211924065U
Application number: CN202020312289.1U
Authority: CN
Inventors: 肖军民; 杜艳军
Original assignee: Linzhou Zhenchen Heavy Industry Equipment Manufacturing Co ltd
Current assignee: Linzhou Zhenchen Heavy Industry Equipment Manufacturing Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-11-13
Anticipated expiration: 2030-03-13

Abstract

The utility model provides a roof cutting drill carriage for coal mine, includes the automobile body, and the downside of automobile body fixes the track, and the upside middle part of automobile body fixes operation panel, pump station, electric device, hydraulic means, and two tip distributions are fixed one set of host computer rig and are passed around the upside of automobile body, and every host computer rig passes and all connects elevating gear, and elevating gear connects the translation device, and the translation device connects facade rotary device, and facade rotary device connects the machine and carries the roofbolter. Compared with the prior art, the technical effect of the utility model is that, the utility model discloses a both ends respectively set up one set of rig around the drill carriage automobile body, and every set of rig autonomous working can accelerate the technique of punching, also can reduce the number of times of removing the drill carriage, is fit for using in the topping.

Description

Roof cutting drill carriage for coal mine

Technical Field

The utility model relates to a hydraulic machine for coal mine.

Background

In the prior coal mining, a roof cutting pressure relief gob-side entry-forming technology is used, namely, advanced pre-splitting is carried out on a gob-side entry roof, the connection between the gob-side entry roof and a direct roof and a basic roof of a stope is cut off, the stope roof is cut off along a pre-splitting surface under the action of periodic incoming pressure to form an entry side, a goaf is cut off, an upper moving rock stratum is supported, the stress environment of surrounding rocks of the entry is improved, the stress of the surrounding rocks of the entry is intensively transferred to the deep part, and the stability of the entry is realized. The energy-gathered blasting roof cutting technology and the constant-resistance anti-impact large-deformation novel anchor cable are adopted to effectively control the roadway roof, solve the impact problem of pressure coming from the old roof and belong to the more advanced technology.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves: however, the existing drill carriage only has a drilling machine at one end, and the working efficiency is low.

The technical scheme of the utility model specifically does:

the utility model provides a roof cutting drill carriage for coal mine, includes the automobile body, and the downside of automobile body fixes the track, and the upside middle part of automobile body fixes operation panel, pump station, electric device, hydraulic means, and two tip distributions are fixed one set of host computer rig and are passed around the upside of automobile body, and every host computer rig passes and all connects elevating gear, and elevating gear connects the translation device, and the translation device connects facade rotary device, and facade rotary device connects the machine and carries the roofbolter.

The main drilling machine pushing comprises a front pushing track and a rear pushing track, the front pushing track and the rear pushing track are fixed on a machine body, a pushing oil cylinder is arranged in the front pushing track and the rear pushing track, one end of the pushing oil cylinder is fixed on an oil cylinder seat, the oil cylinder seat is fixed on a vehicle body, the other end of the pushing oil cylinder is fixed with a pushing beam, and the pushing beam is connected with a lifting device.

The lifting device comprises an upright post which is fixed on the pushing beam and is used for fixing one end of a lifting oil cylinder, one end of the lifting oil cylinder is fixedly sleeved with a sleeve, the sleeve is sleeved outside the upright post and forms a sliding pair, and the sleeve is connected with the translation device.

The translation device comprises a translation rail, the translation rail is fixed on the sleeve, one end of a translation oil cylinder is fixed on the translation rail, a supporting plate is fixed at the other end of the translation oil cylinder, and the vertical face rotating device is fixed on the supporting plate.

The vertical face rotating device comprises a vertical face fixing part and a vertical face rotating part, the vertical face fixing part is fixed on the supporting plate, and the vertical face rotating part is fixedly connected with a supporting platform of the airborne anchor rod drilling machine.

A plane rotating device is arranged between the stand column and the pushing beam and comprises a plane fixing part and a plane rotating part, the plane fixing part is fixed on the pushing beam, and the vertical face rotating part is fixedly connected with the stand column.

A supporting platform of the airborne jumbolter fixes a supporting upright column, and the upright column is parallel to the drilling direction of the jumbolter.

Compared with the prior art, the technical effect of the utility model is that, the utility model discloses a both ends respectively set up one set of rig around the drill carriage automobile body, and every set of rig autonomous working can accelerate the technique of punching, also can reduce the number of times of removing the drill carriage, is fit for using in the topping.

Drawings

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

Fig. 2 is a schematic top view of fig. 1.

FIG. 3 is a schematic illustration of a transition of a host drilling rig.

Fig. 4 is a schematic top view of fig. 3.

Detailed Description

Referring to fig. 1-2, a roof cutting drill carriage for coal mine comprises a carriage body, a caterpillar 4 is fixed on the lower side of the carriage body, an operation platform 1, a pump station 3, an electric device 5 and a hydraulic device 6 are fixed in the middle of the upper side of the carriage body, and the four components are used for controlling the travel of the drill carriage and providing power; a set of main drilling machine push handles 7 are distributed and fixed at the front end part and the rear end part (the left-right direction in figure 1) of the upper side of the vehicle body, each main drilling machine push handle 7 is connected with a lifting device 9, the lifting device 9 is connected with a translation device 8, the translation device 8 is connected with a vertical face rotating device 21, and the vertical face rotating device 21 is connected with an airborne jumbolter 2 (namely a drilling operation main machine).

As shown in fig. 3-4, the main drilling machine pushing 7 comprises a front and rear pushing rail 14, the front and rear pushing rail 14 is fixed on the main body, a pushing cylinder 12 is arranged in the front and rear pushing rail 14, one end of the pushing cylinder 12 is fixed on a cylinder base 11, the cylinder base 11 is fixed on the main body, the other end of the pushing cylinder 12 is fixed with a pushing beam 13, and the pushing beam 13 is connected with the lifting device 9. The distance between the lifter 9 and the vehicle body in the front-rear direction (the left-right direction in fig. 3) can be adjusted by extending and contracting the push cylinder 12.

The lifting device 9 comprises an upright column 35, the upright column 35 is fixed on the pushing beam 13, one end of a lifting oil cylinder 36 is fixed on the upright column 35, one end of the lifting oil cylinder 36 is fixedly sleeved with a sleeve 37, the sleeve 37 is sleeved outside the upright column 35 and forms a moving pair with the upright column 35, the sleeve 37 is connected with the translation device 8, and the vertical distance (the vertical direction in fig. 3) between the translation device 8 and the vehicle body can be adjusted through the lifting of the lifting oil cylinder 36.

The translation device 8 comprises a translation rail 28, the translation rail 28 is fixed on a sleeve 37, one end of a translation oil cylinder 29 is fixed on the translation rail 28, the other end of the translation oil cylinder 29 is fixed on the supporting plate 20, and the supporting plate 20 is fixed on the vertical surface rotating device 21. The distance between the vertical surface turning device 21 and the vehicle body in the left-right direction (vertical direction in fig. 4) can be adjusted by the extension and contraction of the elevation cylinder 29.

The elevation rotating device 21 comprises an elevation fixing part and an elevation rotating part, the elevation fixing part is fixed on the supporting plate 20, the elevation rotating part is fixedly connected with a supporting platform of the airborne jumbolter 2, and the power of the elevation rotating device 21 is the pump station 3. The vertical surface rotating device 21 can adjust the included angle between the operation surface of the drilling machine and the vertical plane.

In order to prevent the error between the vehicle body and the working surface, as shown in fig. 3, a plane rotating device 34 is provided between the upright post 35 and the push beam 13, the plane rotating device 34 includes a plane fixed part and a plane rotating part, the plane fixed part is fixed on the push beam 13, the upright post 35 is fixedly connected to the vertical rotating part, and the power of the vertical rotating device 21 is the pump station 3.

In order to reduce the impact of the reaction force on the drill carriage during the operation of the drilling machine, referring to fig. 1, a support platform of the drilling machine 2 fixes a support column 22, and the support column 22 is parallel to the drilling direction of the onboard jumbolter drilling machine 2.

The working principle is as follows:

when the drill rig is required to be used, the drill rig body is stopped on a working surface (if an error exists, the adjustment is carried out through the translation device 8), the drilling angle is adjusted through the plane rotating device 34 (without plane rotation) and the vertical surface rotating device 21, and the distance from the drilling machine to the top surface is adjusted through the lifting device 9. After all adjustments are made, a first borehole can be drilled, and then a second borehole can be drilled by translating the working position of the drilling machine by the main drilling machine pusher 7.

The drill carriage is provided with two main machine drill machine pushing devices and an onboard drill machine, the two main machine drill machine pushing devices and the onboard drill machine are respectively installed at the front end and the rear end of the drill carriage, two drill booms can independently perform drilling work and also can stretch back and forth respectively, the drill carriage is stable and constructs eight holes (four drilling holes are formed in each drill machine), the eight holes are guaranteed to be absolutely on the same straight line, hole forming and surface cutting are achieved, and the machine moving times are reduced.

See the prior art for additional details.

While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.

Claims

1. The utility model provides a coal mine is with cutting top drill carriage, includes automobile body, the fixed track of downside (4) of automobile body, its characterized in that: the upper side middle part of automobile body fixes operation panel (1), pump station (3), electric installation (5), hydraulic means (6), two tip distributions of the upside of automobile body are fixed one set of host computer rig and are passed (7), and every host computer rig passes (7) and all connects elevating gear (9), and translation device (8) are connected in elevating gear (9), and facade rotary device (21) are connected in translation device (8), and machine-carried roofbolter (2) is connected in facade rotary device (21).

2. The roof cutting drill carriage for coal mines as set forth in claim 1, wherein: the main drilling machine pushing (7) comprises a front pushing track and a rear pushing track (14), the front pushing track and the rear pushing track (14) are fixed on a machine body, a pushing oil cylinder (12) is arranged in the front pushing track and the rear pushing track (14), one end of the pushing oil cylinder (12) is fixed on an oil cylinder base (11), the oil cylinder base (11) is fixed on the machine body, a pushing beam (13) is fixed at the other end of the pushing oil cylinder (12), and the pushing beam (13) is connected with a lifting device (9).

3. The roof cutting drill carriage for coal mines as set forth in claim 2, wherein: the lifting device (9) comprises an upright post (35), the upright post (35) is fixed on the pushing beam (13), one end of a lifting oil cylinder (36) is fixed by the upright post, a sleeve (37) is fixed by one end of the lifting oil cylinder (36), the sleeve (37) is sleeved outside the upright post (35) and forms a sliding pair, and the sleeve (37) is connected with the translation device (8).

4. The roof cutting drill carriage for coal mines as set forth in claim 3, wherein: the translation device (8) comprises a translation rail (28), the translation rail (28) is fixed on a sleeve (37), one end of a translation oil cylinder (29) is fixed on the translation rail (28), a supporting plate (20) is fixed at the other end of the translation oil cylinder (29), and the vertical surface rotating device (21) is fixed on the supporting plate (20).

5. The roof cutting drill carriage for coal mines as set forth in claim 4, wherein: the elevation rotating device (21) comprises an elevation fixing part and an elevation rotating part, the elevation fixing part is fixed on the supporting plate (20), and the elevation rotating part is fixedly connected with a supporting platform of the airborne jumbolter (2).

6. The roof cutting drill carriage for coal mines as set forth in claim 5, wherein: a plane rotating device (34) is arranged between the upright column (35) and the pushing beam (13), the plane rotating device (34) comprises a plane fixing part and a plane rotating part, the plane fixing part is fixed on the pushing beam (13), and the vertical face rotating part is fixedly connected with the upright column (35).

7. The roof cutting drill carriage for coal mines as set forth in claim 1, wherein: a supporting platform of the airborne anchor drilling machine (2) fixes a supporting upright post (22), and the supporting upright post (22) is parallel to the drilling direction of the drilling machine (2).