CN112253159A

CN112253159A - Transverse shaft digging and anchoring machine

Info

Publication number: CN112253159A
Application number: CN202011157048.5A
Authority: CN
Inventors: 翟士军
Original assignee: Shanxi Shengteheng Mining Engineering Machinery Co ltd
Current assignee: Shanxi Shengteheng Mining Engineering Machinery Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-22

Abstract

The invention belongs to the technical field of excavating equipment, and discloses a transverse shaft excavating and anchoring machine, which comprises: the cutting part is coaxially arranged in the directions of the output shaft of the double-rotor asynchronous motor and the cutting shaft, and the double-rotor asynchronous motor directly drives the planetary speed reducers on two sides so as to drive the cutting drums/cutting heads on two sides to rotate and cut coal rocks; the shovel plate part is used for bringing the materials from two sides to the center part through the cutting drum and loading the materials to the first conveyor through the shovel plate; the first conveyor is positioned in the middle of the machine body and used for conveying materials; the first conveyor is hinged with the front end of the body and transversely arranged from the middle; and the walking part is used for driving the driving wheel to drive the crawler chain to walk after the power is reduced and torque is increased by the hydraulic motor through the speed reducer. The cutting part is arranged in a transverse shaft manner, so that the performance is reliable, the width of the roller is large, the cutting area is large, the blanking capacity is strong, and the production efficiency is high; meanwhile, the cutting part is coaxially arranged in the directions of the output shaft of the double-rotor asynchronous motor and the cutting shaft.

Description

Transverse shaft digging and anchoring machine

Technical Field

The invention belongs to the technical field of excavating equipment, and particularly relates to a transverse shaft excavating and anchoring machine.

Background

At present, the tunneling and anchoring machine is a roadway mining and anchoring device with advanced performance and high working efficiency designed according to the characteristics of the coal industry, and is a tunneling and anchoring integrated rapid mining machine designed for meeting the requirements of a longwall mining process and accelerating the tunneling speed of a roadway. The device can realize continuous cutting, loading, transporting and anchoring operation, organically combines tunneling and anchoring support, reduces the time of tunneling and anchoring transposition operation, and realizes the completion of tunneling and supporting processes on the same equipment.

The prior art solution is that the tunnelling and anchoring operations are performed separately by means of two devices. The anchoring operation is mostly manually operated by a manual anchor rod machine, the operation time is long, the labor intensity is high, and the efficiency is low; and a roof bolter is also arranged on the tunneling machine, but the technology is immature, has a plurality of faults and is inconvenient to operate.

Through the above analysis, the problems and defects of the prior art are as follows:

(1) the anchoring operation is mostly manually operated by a manual anchor rod machine, and has long operation time, high labor intensity and low efficiency.

(2) The technology for installing the anchor rod machine on the heading machine is immature, has many faults and is inconvenient to operate.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a transverse shaft tunneling and anchoring machine.

The invention is realized in this way, a transverse shaft digging and anchoring machine, comprising:

the cutting part is coaxially arranged in the directions of the output shaft of the double-rotor asynchronous motor and the cutting shaft, and the double-rotor asynchronous motor directly drives the planetary speed reducers on two sides so as to drive the cutting drums/cutting heads on two sides to rotate and cut coal rocks;

the shovel plate part is used for bringing the materials from two sides to the center part through the cutting drum and loading the materials to the first conveyor through the shovel plate;

the first conveyor is positioned in the middle of the machine body and used for conveying materials;

a main body part, a first conveyor hinged with the front end of the main body and transversely arranged from the middle

The walking part is used for driving the driving wheel to drive the track chain to walk after the power is decelerated and torque-increased by the hydraulic motor through the speed reducer;

a rear supporting part installed at the rear end of the body part;

the electric system controls all electric and hydraulic actions of the equipment through a remote controller;

the hydraulic system is used for providing hydraulic power for the hydraulic equipment;

a water system for providing header spray and cooling of the equipment;

the anchor rod machine part provides a full-range anchor rod operation space for anchor rod operation;

and the dust removal system is used for humidifying and collecting coal dust air generated by the cutting drum through a dust removal fan and then discharging clean air into the roadway.

Further, the cutting part is respectively connected with a planetary reducer through two output shafts at two sides of the double-rotor asynchronous motor through flanges, and the planetary reducer is connected with the cutting drum/cutting head through the flanges, so that the cutting drum/cutting head is driven to rotate.

Furthermore, the front end and the side end of the shovel plate part are respectively provided with a main shovel plate and a side shovel plate, and the driving ends of the main shovel plate and the side shovel plate are movably connected with oil cylinders.

Furthermore, one side of the main shovel plate is fixedly provided with a guard plate and a driven wheel device, and one side of the side shovel plate is provided with a telescopic side shovel plate.

Further, the first conveyor is a single-chain scraper conveyor, and a front chute and a rear chute of the conveyor are connected through a pin shaft and swing left and right for discharging at 45 degrees; the first conveyor is further provided with a tensioning device with deflection compensation tensioning, and the tensioning device is provided with a grease cylinder and a clamping plate and spring buffer structure.

Furthermore, the body part consists of a guard plate, a stabilizer and a body frame, the body frame adopts an integral box-shaped welding structure, two sides of the body are respectively provided with a plurality of fixed pins which are connected with the walking part and are connected and fastened through high-strength bolts, and the front end of the body is hinged with the cutting part and the shovel plate;

the rear part of the body part is connected with the rear support, and an oil way pipeline and an oil cooling pipeline are arranged at the lower part of the body part.

Further, the walking part includes: the device comprises a hydraulic motor, a speed reducer, a crawler chain, a tensioning device and a crawler frame;

the hydraulic motor is installed inside the supporting wheel, a crawler chain is connected to the outer side of the hydraulic motor through a speed reducer tooth, the crawler chain is installed on a crawler frame, and a tensioning device is installed at the front end of the crawler chain.

Further, the tail end of the rear supporting part is provided with an anti-collision rubber mat, and the two sides of the rear supporting part are provided with anti-collision guardrails.

Furthermore, the electrical system takes a CCU as a control center and uses a CAN bus to communicate with each control unit;

the hydraulic system consists of an oil cylinder, a left side cover plate component, a right side cover plate component, a left side operation component, a right side operation component, a pump station and mutually connected pipes;

the first path of the water system is directly communicated with the collecting head for spraying after being controlled by a water valve; the second path is decompressed by a pressure reducing valve and then passes through a plate cooler.

Furthermore, the bolting machine part consists of four bolting machines and two operating platforms, and the four bolting machines are positioned at the rear part of the shovel plate and are transversely arranged.

By combining all the technical schemes, the invention has the advantages and positive effects that:

1. the cutting part is arranged in a transverse shaft manner, so that the performance is reliable, the width of the roller is large, the cutting area is large, the blanking capacity is strong, and the production efficiency is high; meanwhile, the cutting part is coaxially arranged in the directions of the output shaft of the double-rotor asynchronous motor and the cutting shaft, and the arrangement has the advantages of simple structure, low cost, high transmission efficiency, compact structure, reliable performance, high efficiency and energy conservation;

2. a wet dust removal system is adopted, so that the dust removal efficiency is high, the dust concentration of the working flour is reduced, and the working environment is improved;

3. the shovel plate adopts a floating pear type loading mode, the loading efficiency is high, and the bottom plate is prevented from being damaged by the bottom of the shovel plate;

4. the middle conveyor has a straight structure, large driving force, less chains, smooth lap joint with the shovel plate, high gantry and smooth transportation; meanwhile, a single scraper chain is adopted, so that the transportation capacity is improved, and the transportation reliability is enhanced;

5. the body, the cutting arm, the walking frame and the like are welded in a box body form, so that the structure is good in rigidity and high in reliability;

6. the walking is driven by a hydraulic motor, the driving force is large, and the performance is reliable;

7. the hydraulic system adopts constant power, pressure cut-off and load sensitive control, and simultaneously adopts a modular design to reduce pipelines and joints;

8. remote control and manual control operation are adopted, so that the intelligent and mechanical levels of the equipment are improved;

9. four anchor rod machines are arranged at the front part of the equipment, the four anchor rod machines can be inclined at a certain angle from front to back and from left to right, and certain position adjustment can be made during anchoring operation so as to reduce the empty-head distance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.

Fig. 1 is a schematic front structural diagram of a transverse-axis excavator provided in an embodiment of the present invention.

Fig. 2 is a schematic side structure diagram of a transverse-axis excavator according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a cutting part provided in an embodiment of the present invention.

Fig. 4 is a schematic structural view of a shovel plate portion provided in an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a first conveyor according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a body portion according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a walking part according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of the rear support portion according to the embodiment of the present invention.

Fig. 9 is a schematic structural view of the bolting machine portion after the bolting machine provided by the embodiment of the invention is stored.

Fig. 10 is a schematic structural view of the extended bolting machine section of the bolting machine according to an embodiment of the invention.

In the figure: 1. a cutting part; 2. a shovel plate portion; 2-1, protecting plates; 2-2, a main shovel plate; 2-3, a driven wheel device; 2-4, a telescopic side shovel plate; 2-5, side shoveling plates; 3. a first conveyor; 3-1, a front chute; 3-2, a rear chute; 3-3, a motor; 3-4, a reduction gearbox; 4. a body portion; 4-1, protecting plates; 4-2, a body portion; 4-3, a stabilizer; 5. a traveling section; 5-1, a track chain; 5-2, a hydraulic motor; 5-3, a tensioning device; 5-4, a thrust wheel; 5-4, a crawler frame; 5-4, a speed reducer; 6. a rear supporting part; 6-1, a bracket; 6-2, anti-collision guardrails; 6-3, an anti-collision rubber cushion; 7. an electrical system; 8. a hydraulic system; 9. a water system; 10. a lubrication system; 11. an anchor machine portion; 11-1, a bolting machine; 11-2, operating platform; 12. a dust removal system; 13. a working platform.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Aiming at the problems in the prior art, the invention provides a transverse shaft tunneling and anchoring machine, which is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the overall layout of the transverse-axis excavator is as follows: the device mainly comprises a cutting part, a shovel part, a first conveyor, a body part, a walking part, a rear supporting part, an electrical system, a hydraulic system, a water system, a lubricating system, a bolting machine part, a dust removal system, a working platform and the like.

A cutting part: the output shaft of the double-rotor asynchronous motor is coaxially arranged with the cutting shaft, and the double-rotor asynchronous motor directly drives the planetary speed reducers on two sides, so that the cutting drums/cutting heads on two sides are driven to rotate and cut coal rocks. As shown in fig. 3, two output shafts at two sides of the 1 # birotor asynchronous motor are respectively connected with the 2 # planetary reducer through flanges, and the 2 # planetary reducer is connected with the 3 # cutting drum/cutting head through flanges, so that the 3 # cutting drum/cutting head is driven to rotate, and finally, the coal rock is cut.

Shovel board part: the shovel part comprises a main shovel plate, a side shovel plate, a telescopic side shovel plate, a guard plate, a driven wheel device and the like. The material is brought from both sides to the centre by the cutting drums and loaded by the blade to the first conveyor. As shown in fig. 4. The main shovel plate and the side shovel plate are connected through high-strength bolts, and the shovel plates can be lifted and fall down under the action of the oil cylinder but cannot support a host machine for use.

A first conveyor: the first conveyor is a single chain scraper conveyor located in the middle of the machine body. The front chute and the rear chute of the conveyor are connected through a pin shaft and can swing left and right for discharging at 45 degrees. The motor drives the single-chain scraper blade to realize material conveying after two-stage speed reduction through the reduction gearbox. The tensioning device adopts a structure of a grease cylinder, a clamping plate and a spring buffer, and has a deflection compensation tensioning function. As shown in fig. 5.

A body part: comprises a guard plate, a stabilizer and a body frame. The body frame adopts an integral box-shaped welding structure, and the main structural part is formed by welding Q690-D steel plates. Three fixed pins are respectively arranged on two sides of the body and connected with the walking part, and are connected and fastened through high-strength bolts, and the front end of the body is hinged with the cutting part and the shovel plate. The first conveyor is hinged with the front end of the body and transversely penetrates through the middle. The rear portion is connected with the rear support. The lower part is equipped with the oil circuit pipeline in the body to be equipped with oil cooling pipeline. As shown in fig. 6.

A traveling part: the crawler belt type crawler belt tensioning device is in a thrust wheel form and mainly comprises a hydraulic motor, a speed reducer, a crawler belt chain, a tensioning device, a crawler belt frame and the like. The hydraulic motor drives the driving wheel to drive the crawler chain to walk after reducing the speed and increasing the torque of the speed reducer. The crawler belt tensioning mechanism consists of a tensioning wheel set and a tensioning oil cylinder, and the tightness degree of the crawler belt is adjusted by pushing the tensioning wheel set by the tensioning oil cylinder. The tensioning grease cylinder is in a single-action form and is locked by the clamping plate after extending out. And hydraulic oil tanks are arranged inside the left walking part and the right walking part and supply oil to a hydraulic system. As shown in fig. 7.

Rear supporting part: consists of a bracket, an anti-collision guardrail and the like. The bracket is of a box-shaped welding structure, and the main structural part is formed by welding Q690-D steel plates. The electric control system is arranged on two sides of the rear support. The tail end is provided with an anti-collision rubber cushion, and two sides are provided with anti-collision guardrails. As shown in fig. 8.

An electrical system: the electric control system of the digging and anchoring machine set is composed of an electric control box, a traction box, an operation box, a cutting motor, an oil pump motor, a first transportation motor, a second transportation motor, a fan motor, a mining explosion-proof type emergency stop button, a mining explosion-proof type LED illuminating lamp, a mining explosion-proof type LED support lamp, a mining explosion-proof type pressure transmitter, a mining pouring type proximity switch, a mining intrinsic safety type audible and visual alarm, a mining methane sensor, a mining water level sensor, a mining temperature sensor, a mining remote control transmitter and the like. The electric control system has a remote control function, and can control all electric and hydraulic functions of the equipment through the remote controller, so that the safety of underground operators is better ensured.

The whole electric control system takes the CCU as a control center, uses the CAN bus to communicate with each control unit, and has the characteristics of simple wiring, simplified design, high reliability and the like. Meanwhile, the CAN bus has strong anti-interference capability and is very suitable for complex underground working condition environments.

A hydraulic system: the device is composed of an oil cylinder (comprising a cutting lifting oil cylinder, a shovel plate telescopic oil cylinder, a rear supporting oil cylinder, a platform telescopic oil cylinder, a transporting lifting oil cylinder and a transporting rotary oil cylinder), a left side cover plate assembly, a right side cover plate assembly, a left side operating assembly, a right side operating assembly, a pump station, a matched pipe and the like which are mutually connected.

Water system: the external water is divided into two paths after being filtered by the backwashing filter: the first path is directly sprayed to the collecting head after being controlled by a water valve; after the pressure of the second path is reduced to 1MPa through a pressure reducing valve, the second path is cooled by an electric control operation box, a first conveying motor, a left/right oil pump motor and a cutting motor through a plate cooler, and cooling water is divided into two paths: one way is really connected to the anchor rod machine to supply water for the anchor rod machine. The other path is controlled by a water valve and respectively supplies water for fan spraying and cutting head spraying.

The bolting machine part consists of four bolting machines and two operating platforms. The four anchor rod machines are positioned at the rear part of the shovel plate and are transversely arranged, so that a full-range anchor rod operation space is provided for anchor rod operation; the roof bolter can incline to both sides in order to guarantee the biggest operation scope, and adjustable roof bolter angle is in order to guarantee the stock operation of central part, and the roof bolter can incline forward in order to reduce the distance of working face, just reduces the empty top distance. As shown in fig. 9 and 10.

A dust removal system: the device mainly comprises a dust removal fan, a front air port, a rear air cylinder and the like, wherein coal dust air generated by a cutting drum passes through the front air port and then enters the dust removal fan through a guide plate in the rear air cylinder to be humidified and collected, and then clean air is discharged into a roadway.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.

Claims

1. A transverse-axis bolting and excavating machine, characterized in that it comprises:

the first conveyor is hinged with the front end of the body and transversely arranged from the middle;

a rear supporting part installed at the rear end of the body part;

a water system for providing header spray and cooling of the equipment;

2. The transverse-shaft bolting machine according to claim 1, wherein said cutting unit is connected to planetary reducers through flanges by two output shafts on both sides of said dual rotor asynchronous motors, respectively, said planetary reducers being connected to said cutting drum/head through said flanges, thereby driving said cutting drum/head to rotate.

3. The transverse shaft bolting machine according to claim 1, wherein said front and side ends of said blade portion are respectively provided with a main blade and a side blade, and the driving ends of said main blade and said side blade are movably connected with cylinders.

4. A transverse shaft bolting machine according to claim 3 and wherein said main blade is fixedly mounted on one side thereof with a guard plate and a driven wheel assembly and said side blade is mounted on one side thereof with a telescoping side blade.

5. The transverse-shaft bolting machine according to claim 1, wherein said first conveyor is a single-chain scraper conveyor, and the front and rear chutes of the conveyor are connected by a pin shaft and swing left and right by 45 ° for discharging; the first conveyor is further provided with a tensioning device with deflection compensation tensioning, and the tensioning device is provided with a grease cylinder and a clamping plate and spring buffer structure.

6. The transverse-shaft bolting machine according to claim 1, wherein said body portion is composed of a guard plate, a stabilizer and a body frame, said body frame is an integral box-shaped welded structure, two sides of said body are respectively provided with a plurality of fixed pins connected with said walking portion and fastened by high-strength bolts, and the front end of said body is hinged with said cutting portion and said shovel plate;

7. The transverse-axis bolting machine of claim 1 wherein said walking portion comprises: the device comprises a hydraulic motor, a speed reducer, a crawler chain, a tensioning device and a crawler frame;

8. The transverse shaft tunneling and anchoring machine according to claim 1, wherein the rear end of the rear supporting portion is provided with an anti-collision rubber pad, and anti-collision guardrails are arranged on two sides of the rear supporting portion.

9. The transverse-axis bolting machine according to claim 1, wherein said electrical system uses a CCU as a control center, and communicates with each control unit using a CAN bus;

10. A transverse shaft bolting machine according to claim 1 and wherein said bolting machine section is comprised of four bolting machines and two operating platforms, four bolting machines being located at the rear of the shovel plate, transversely arranged.