阅读说明：本技术 一种适用于掘进机的履带式从动行走支护机构 (Crawler-type driven walking supporting mechanism suitable for heading machine ) 是由 田震 高珊 张成光 刘伟 谢娟娟 朱彬 于 2019-10-16 设计创作，主要内容包括：一种适用于掘进机的履带式从动行走支护机构,行走部的链轮设在轮架前端,张紧轮设在轮架后端,张紧轮与链轮之间通过履带链条相连；花键轴一端固连在链轮轮轴上,另一端固连在掘进机履带驱动轮轮轴上,由掘进机的履带驱动轮为链轮提供转动力；平衡轴一端通过轴承连接在轮架上,另一端固连在掘进机履带从动轮轮轴上；若干支重轮并列设在张紧轮与链轮之间；支护部支撑底座固装在轮架上,支撑顶梁与支撑底座之间通过支撑油缸相连；支撑油缸活塞杆端部通过燕尾滑块与纵梁下表面滑动连接,纵梁下表面开设有燕尾滑槽,燕尾滑块位于燕尾滑槽内,燕尾滑块可沿燕尾滑槽直线移动,滑槽两端设有堵头；支撑油缸的缸筒端部铰接在支撑底座上表面。(A caterpillar driven walking support mechanism suitable for a heading machine is characterized in that a chain wheel of a walking part is arranged at the front end of a wheel carrier, a tension wheel is arranged at the rear end of the wheel carrier, and the tension wheel is connected with the chain wheel through a caterpillar chain; one end of the spline shaft is fixedly connected to a sprocket wheel shaft, the other end of the spline shaft is fixedly connected to a crawler driving wheel shaft of the tunneling machine, and the crawler driving wheel of the tunneling machine provides rotating force for the sprocket wheel; one end of the balance shaft is connected to the wheel carrier through a bearing, and the other end of the balance shaft is fixedly connected to a driven wheel shaft of a crawler belt of the tunneling machine; a plurality of supporting wheels are arranged between the tension wheel and the chain wheel in parallel; the supporting base of the supporting part is fixedly arranged on the wheel carrier, and the supporting top beam is connected with the supporting base through a supporting oil cylinder; the end part of a piston rod of the supporting oil cylinder is connected with the lower surface of the longitudinal beam in a sliding mode through a dovetail sliding block, a dovetail sliding groove is formed in the lower surface of the longitudinal beam, the dovetail sliding block is located in the dovetail sliding groove and can linearly move along the dovetail sliding groove, and plugs are arranged at two ends of the sliding groove; the end part of the cylinder barrel of the supporting oil cylinder is hinged on the upper surface of the supporting base.)

1. The utility model provides a driven walking of crawler-type supports mechanism suitable for entry driving machine which characterized in that: comprises a walking part and a supporting part; the walking part comprises a chain wheel, a tension wheel, a supporting wheel, a track chain, a wheel carrier, a spline shaft and a balance shaft, the chain wheel is arranged at the front end of the wheel carrier, the tension wheel is arranged at the rear end of the wheel carrier, and the tension wheel is connected with the chain wheel through the track chain; one end of the spline shaft is fixedly connected to a sprocket wheel shaft, the other end of the spline shaft is fixedly connected to a wheel shaft of a crawler driving wheel of the tunneling machine, and the rotating force of the sprocket wheel is provided by the crawler driving wheel of the tunneling machine; one end of the balance shaft is connected to the wheel carrier through a bearing, and the other end of the balance shaft is fixedly connected to a wheel shaft of a track driven wheel of the heading machine through a coupler; the number of the supporting wheels is a plurality, and the supporting wheels are arranged below the wheel carrier between the tension wheel and the chain wheel in parallel; the supporting part comprises a supporting base, a supporting oil cylinder and a supporting top beam; the supporting base is fixedly arranged on the wheel carrier, the supporting top beam is positioned above the supporting base, and the supporting top beam is connected with the supporting base through a supporting oil cylinder.

2. The crawler-type driven walking support mechanism suitable for the heading machine according to claim 1, wherein: the supporting top beam comprises longitudinal beams and cross beams, and the cross beams are of arc structures; the number of the longitudinal beams is two, the two longitudinal beams are arranged in parallel, and the longitudinal beams are parallel to the tunneling direction; the number of the cross beams is a plurality, the cross beams are uniformly distributed in parallel along the tunneling direction, the cross beams are fixedly arranged between the two longitudinal beams in a spanning mode, and the cross beams are perpendicular to the longitudinal beams.

3. The crawler-type driven walking support mechanism suitable for the heading machine according to claim 2, wherein: the end part of a piston rod of the supporting oil cylinder is connected with the lower surface of the longitudinal beam in a sliding mode through a dovetail sliding block, a dovetail sliding groove is formed in the lower surface of the longitudinal beam, the dovetail sliding block is located in the dovetail sliding groove and can linearly move along the dovetail sliding groove, and sliding groove plugs are mounted at two ends of the dovetail sliding groove; the end part of the cylinder barrel of the supporting oil cylinder is hinged on the upper surface of the supporting base; the number of the supporting oil cylinders is a plurality, and the supporting oil cylinders are distributed along the tunneling direction.

4. the crawler-type driven walking support mechanism suitable for the heading machine according to claim 1, wherein: the clamping device is characterized in that a clamping mode is adopted between the supporting base and the wheel carrier to be fixedly connected, a first vertical clamping groove is formed in the supporting base, a clamping plate is installed on the wheel carrier, a second vertical clamping groove is formed in the clamping plate, a vertical clamping block is configured between the first vertical clamping groove and the second vertical clamping groove, the vertical clamping block is matched with the first vertical clamping groove and the second vertical clamping groove in a clamping mode, and the vertical clamping block in the clamping state is fixed with the first vertical clamping groove and the second vertical clamping groove through bolts.

Technical Field

The invention belongs to the technical field of tunneling support equipment, and particularly relates to a crawler-type driven traveling support mechanism suitable for a tunneling machine.

Background

With the rapid development of coal mine fully-mechanized mining technical equipment and mine supporting facilities, the mining intensity of a fully-mechanized mining working face is multiplied, and the underground roadway tunneling engineering quantity of a coal mine is promoted to be synchronously and sharply increased.

The safety problem of temporary support when the tunneling work faces is a technical problem which puzzles coal production for a long time, and the top plate can not be effectively supported in time after the tunneling, so that the top plate can often fall rocks to cause accidents of hurting people; the other type is a non-airborne tunneling support device which can move automatically and can realize continuous tunneling and continuous support operation, but a cross stepping type advancing mode is mostly adopted, so that the support device is difficult to advance or retreat under the condition that a bottom plate is soft or uneven in height, and the support position can be deviated due to different left and right advancing resistances in the moving process of the support device.

Therefore, the design of the supporting equipment which has large supporting area, can move along with the supporting equipment and can safely support the tunneling process in the walking process is of great importance to the safe production of coal.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a crawler-type driven traveling support mechanism suitable for a heading machine, which has the characteristics of large support area, capability of moving along with the crawler-type driven traveling support mechanism and capability of safely supporting the heading process in the traveling process.

In order to achieve the purpose, the invention adopts the following technical scheme: a crawler-type driven walking support mechanism suitable for a heading machine comprises a walking part and a support part; the walking part comprises a chain wheel, a tension wheel, a supporting wheel, a track chain, a wheel carrier, a spline shaft and a balance shaft, the chain wheel is arranged at the front end of the wheel carrier, the tension wheel is arranged at the rear end of the wheel carrier, and the tension wheel is connected with the chain wheel through the track chain; one end of the spline shaft is fixedly connected to a sprocket wheel shaft, the other end of the spline shaft is fixedly connected to a wheel shaft of a crawler driving wheel of the tunneling machine, and the rotating force of the sprocket wheel is provided by the crawler driving wheel of the tunneling machine; one end of the balance shaft is connected to the wheel carrier through a bearing, and the other end of the balance shaft is fixedly connected to a wheel shaft of a track driven wheel of the heading machine through a coupler; the number of the supporting wheels is a plurality, and the supporting wheels are arranged below the wheel carrier between the tension wheel and the chain wheel in parallel; the supporting part comprises a supporting base, a supporting oil cylinder and a supporting top beam; the supporting base is fixedly arranged on the wheel carrier, the supporting top beam is positioned above the supporting base, and the supporting top beam is connected with the supporting base through a supporting oil cylinder.

The supporting top beam comprises longitudinal beams and cross beams, and the cross beams are of arc structures; the number of the longitudinal beams is two, the two longitudinal beams are arranged in parallel, and the longitudinal beams are parallel to the tunneling direction; the number of the cross beams is a plurality, the cross beams are uniformly distributed in parallel along the tunneling direction, the cross beams are fixedly arranged between the two longitudinal beams in a spanning mode, and the cross beams are perpendicular to the longitudinal beams.

The end part of a piston rod of the supporting oil cylinder is connected with the lower surface of the longitudinal beam in a sliding mode through a dovetail sliding block, a dovetail sliding groove is formed in the lower surface of the longitudinal beam, the dovetail sliding block is located in the dovetail sliding groove and can linearly move along the dovetail sliding groove, and sliding groove plugs are mounted at two ends of the dovetail sliding groove; the end part of the cylinder barrel of the supporting oil cylinder is hinged on the upper surface of the supporting base; the number of the supporting oil cylinders is a plurality, and the supporting oil cylinders are distributed along the tunneling direction.

the clamping device is characterized in that a clamping mode is adopted between the supporting base and the wheel carrier to be fixedly connected, a first vertical clamping groove is formed in the supporting base, a clamping plate is installed on the wheel carrier, a second vertical clamping groove is formed in the clamping plate, a vertical clamping block is configured between the first vertical clamping groove and the second vertical clamping groove, the vertical clamping block is matched with the first vertical clamping groove and the second vertical clamping groove in a clamping mode, and the vertical clamping block in the clamping state is fixed with the first vertical clamping groove and the second vertical clamping groove through bolts.

The invention has the beneficial effects that:

The crawler-type driven traveling support mechanism suitable for the heading machine has the characteristics of large support area, capability of moving along with the crawler-type driven traveling support mechanism and capability of safely supporting the heading process in the traveling process.

Drawings

Fig. 1 is a schematic structural diagram of a crawler-type driven walking supporting mechanism suitable for a heading machine, provided by the invention;

FIG. 2 is a schematic structural view of a crawler-type driven traveling support mechanism (when used in conjunction with a heading machine) suitable for a heading machine according to the present invention;

FIG. 3 is a schematic view of the construction of the traveling part (track chain not shown) of the present invention;

FIG. 4 is a schematic structural view of the traveling part of the present invention (when assembled with the support base and the track drive wheel of the heading machine);

fig. 5 is a schematic structural view of a supporting part (a cross beam supporting a top beam is not shown) of the present invention;

FIG. 6 is a schematic structural view of a cross-beam (with a dovetail slide block mounted in a dovetail slide slot) of the present invention;

FIG. 7 is a partial structural view of the support base of the present invention;

FIG. 8 is a schematic structural view of a clamping plate of the present invention;

FIG. 9 is a schematic structural view of a vertical clamping block of the present invention;

in the figure, 1-chain wheel, 2-tension pulley, 3-thrust wheel, 4-track chain, 5-wheel carrier, 6-spline shaft, 7-balance shaft, 8-heading machine, 9-track driving wheel, 10-supporting base, 11-supporting oil cylinder, 12-supporting top beam, 13-longitudinal beam, 14-cross beam, 15-dovetail slide block, 16-dovetail slide groove, 17-slide groove plug, 18-first vertical clamping groove, 19-clamping plate, 20-second vertical clamping groove and 21-vertical clamping block.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments.

As shown in fig. 1 to 9, a crawler-type driven traveling support mechanism suitable for a heading machine comprises a traveling part and a support part; the walking part comprises a chain wheel 1, a tension wheel 2, a supporting wheel 3, a track chain 4, a wheel carrier 5, a spline shaft 6 and a balance shaft 7, the chain wheel 1 is arranged at the front end of the wheel carrier 5, the tension wheel 2 is arranged at the rear end of the wheel carrier 5, and the tension wheel 2 is connected with the chain wheel 1 through the track chain 4; one end of the spline shaft 6 is fixedly connected to a wheel shaft of the chain wheel 1, the other end of the spline shaft 6 is fixedly connected to a wheel shaft of a crawler driving wheel 9 of the heading machine 8, and the rotating force of the chain wheel 1 is provided by the crawler driving wheel 9 of the heading machine 8; one end of the balance shaft 7 is connected to the wheel carrier 5 through a bearing, and the other end of the balance shaft 7 is fixedly connected to a wheel shaft of a track driven wheel of the heading machine 8 through a coupling; the number of the supporting wheels 3 is a plurality, and the supporting wheels 3 are arranged below the wheel carrier 5 between the tension wheel 2 and the chain wheel 1 in parallel; the supporting part comprises a supporting base 10, a supporting oil cylinder 11 and a supporting top beam 12; the supporting base 10 is fixedly arranged on the wheel carrier 5, the supporting top beam 12 is positioned above the supporting base 10, and the supporting top beam 12 is connected with the supporting base 10 through a supporting oil cylinder 11.

The supporting top beam 12 comprises longitudinal beams 13 and cross beams 14, and the cross beams 14 adopt arc structures; the number of the longitudinal beams 13 is two, the two longitudinal beams 13 are arranged in parallel, and the longitudinal beams 13 are parallel to the tunneling direction; the number of the cross beams 14 is multiple, the cross beams 14 are uniformly distributed in parallel along the tunneling direction, the cross beams 14 are fixedly arranged between the two longitudinal beams 13 in a spanning mode, and the cross beams 14 are perpendicular to the longitudinal beams 13.

the end part of a piston rod of the support oil cylinder 11 is connected with the lower surface of the longitudinal beam 12 in a sliding mode through a dovetail slide block 15, a dovetail slide groove 16 is formed in the lower surface of the longitudinal beam 12, the dovetail slide block 15 is located in the dovetail slide groove 16, the dovetail slide block 15 can move linearly along the dovetail slide groove 16, and slide groove plugs 17 are mounted at two ends of the dovetail slide groove 16; the end part of the cylinder barrel of the supporting oil cylinder 11 is hinged on the upper surface of the supporting base 10; the number of the supporting oil cylinders 11 is a plurality, and the supporting oil cylinders 11 are distributed along the tunneling direction.

Support and adopt the joint mode to link firmly mutually between base 10 and the wheel carrier 7, seted up first vertical joint groove 18 on supporting base 10 install joint board 19 on the wheel carrier 5, seted up the vertical joint groove 20 of second on joint board 19, dispose vertical joint piece 21 between first vertical joint groove 18 and the vertical joint groove 20 of second, vertical joint piece 21 respectively with the cooperation of the vertical joint groove 20 joint of first vertical joint groove 18 and second, fix through the bolt between the vertical joint piece 21 that is in the joint state and the vertical joint groove 18 of first vertical joint groove 18 and second 20.

When the heading machine 8 is matched with the invention for use, the driving force is provided by the crawler driving wheel 9 of the heading machine 8 at the walking part of the invention, the driving force is directly transmitted to the chain wheel 1 by the spline shaft 6, and the stress between the wheel carrier 5 and the heading machine 8 is balanced by the balance shaft 7, so that the advancing direction of the invention is always consistent with the heading machine 8, and finally the synchronous movement of the invention and the heading machine 8 is realized. According to actual supporting requirements, the extension lengths of different support oil cylinders 11 can be adjusted respectively, so that the supporting height of the support top beam 12 is adjusted, after the supporting height of the support top beam 12 is determined, the extension length of the support oil cylinder 11 is continuously adjusted, at the moment, the dovetail slide block 15 can linearly move along the dovetail slide groove 16, so that the inclination angle of the support oil cylinder 11 is adjusted, the supporting strength of different positions of the support top beam 12 is adjusted, and the more dense the dovetail slide blocks 15 are distributed, the more the number of the support oil cylinders 11 at the position is, and the stronger the supporting strength is.