阅读说明：本技术 一种掘进机锚固机构 (Anchoring mechanism of heading machine ) 是由 王本林 李彬彬 康富军 赵肖敏 郎艳 于 2020-12-02 设计创作，主要内容包括：本发明属于掘进机技术领域,具体涉及一种掘进机锚固机构,其解决了掘进机大坡度作业的溜坡问题；掘进机大坡度巷道掘进时钻进开槽问题；湿滑底板条件下硬岩掘进时掘进机身稳定问题。本发明包括两个锚固装置,两个锚固装置对称设于掘进机的左右两侧；锚固装置包括连接梁、支撑梁、起到牵引作用的牵引油缸和起到撑紧作用的支撑油缸；牵引油缸的缸筒端铰接在掘进机上,缸杆端铰接在连接梁上；支撑油缸的缸筒端铰接在掘进机上,缸杆端铰接在支撑梁上；连接梁的一端铰接在掘进机上,连接梁的另一端铰接在支撑梁上。本发明实现了大坡度巷道设备的稳定驻车和上山掘进作业,提高作业安全性,提高巷道设备坡道适应性。(The invention belongs to the technical field of development machines, and particularly relates to an anchoring mechanism of a development machine, which solves the problem of slope slipping of the development machine in heavy-slope operation; the problem of drilling and slotting when a tunneling machine tunnels a large-gradient tunnel; the stability of the tunneling machine body during hard rock tunneling under the condition of a wet and slippery bottom plate. The invention comprises two anchoring devices, wherein the two anchoring devices are symmetrically arranged at the left side and the right side of the development machine; the anchoring device comprises a connecting beam, a supporting beam, a traction oil cylinder for traction and a supporting oil cylinder for stretching; the end of a cylinder barrel of the traction oil cylinder is hinged on the tunneling machine, and the end of a cylinder rod is hinged on the connecting beam; the end of a cylinder barrel of the supporting oil cylinder is hinged on the tunneling machine, and the end of a cylinder rod is hinged on the supporting beam; one end of the connecting beam is hinged on the heading machine, and the other end of the connecting beam is hinged on the supporting beam. The invention realizes the stable parking and uphill tunneling operation of the large-gradient roadway equipment, improves the operation safety and improves the ramp adaptability of the roadway equipment.)

1. The utility model provides a heading machine anchor mechanism which characterized in that: the device comprises two anchoring devices (7), wherein the two anchoring devices (7) are symmetrically arranged on the left side and the right side of the development machine (5);

the anchoring device (7) comprises a connecting beam (1), a supporting beam (2), a traction oil cylinder (3) for traction and a supporting oil cylinder (4) for stretching;

the end of a cylinder barrel of the traction oil cylinder (3) is hinged to the tunneling machine (5), a hinged shaft is arranged up and down, the traction oil cylinder (3) rotates around the hinged shaft relative to the tunneling machine (5), the end of a cylinder rod of the traction oil cylinder (3) is hinged to the connecting beam (1), the hinged shaft is arranged up and down, and the traction oil cylinder (3) rotates around the hinged shaft relative to the connecting beam (1);

the end of a cylinder barrel of the supporting oil cylinder (4) is hinged to the heading machine (5), a hinged shaft is arranged up and down, the supporting oil cylinder (4) rotates around the hinged shaft relative to the heading machine (5), the end of a cylinder rod of the supporting oil cylinder (4) is hinged to the supporting beam (2), the hinged shaft is arranged up and down, and the supporting oil cylinder (4) rotates around the hinged shaft relative to the supporting beam (2);

one end of the connecting beam (1) is hinged to the heading machine (5), a hinged hinge shaft is arranged up and down, the connecting beam (1) rotates relative to the heading machine (5) around the hinged hinge shaft, the other end of the connecting beam (1) is hinged to the supporting beam (2), the hinged hinge shaft is arranged up and down, and the connecting beam (1) rotates relative to the supporting beam (2) around the hinged hinge shaft;

the connecting beam (1) and the traction oil cylinder (3) are located below the supporting oil cylinder (4), the supporting oil cylinder (4) is located on the front side of the connecting beam (1), the traction oil cylinder (3) is located on the inner side of the supporting beam (2), and a hinge point of a cylinder barrel end of the traction oil cylinder (3) is located in front of a hinge point of a cylinder barrel end of the supporting oil cylinder (4).

2. A heading machine anchoring mechanism according to claim 1, wherein: be equipped with first mounting groove (1.1) that is used for holding traction cylinder (3) on tie-beam (1), the jar pole end of traction cylinder (3) is located first mounting groove (1.1) to articulated through articulated shaft and tie-beam (1), the jar pole end of traction cylinder (3) rotates around the articulated shaft.

3. A heading machine anchoring mechanism according to claim 1 or 2, wherein: the supporting beam (2) is provided with a second mounting groove (2.1) for accommodating the connecting beam (1) and a third mounting groove (2.2) for accommodating the supporting oil cylinder (4), and the third mounting groove (2.2) is positioned above the second mounting groove (2.1);

one end of the connecting beam (1) hinged with the supporting beam (2) is positioned in the second mounting groove (2.1) and is hinged with the supporting beam (2) through a hinge shaft, and the connecting beam (1) rotates around the hinge shaft;

the rod end of the supporting oil cylinder (4) is positioned in the third mounting groove (2.2) and is hinged with the supporting beam (2) through a hinge shaft, and the rod end of the supporting oil cylinder (4) rotates around the hinge shaft.

Technical Field

The invention belongs to the technical field of development machines, and particularly relates to an anchoring mechanism of a development machine.

Background

At present, in the heavy grade tunnel, to some needs equipment parking work occasions, because equipment lacks effectual fixed means, equipment swift current slope phenomenon takes place occasionally, causes personnel and equipment during operation difficulty and dangerous coexistence.

In addition, when a large-slope roadway is in mountain climbing construction operation, due to the resistance effect of the ramp, the heading machine is difficult to climb the slope, so that the drilling force is insufficient, and the application of the heading machine is further influenced. Under the condition of a wet and slippery bottom plate, when the heading machine transversely cuts harder rocks, the heading machine has serious side slipping and tail flicking phenomena, the heading machine is easy to damage, and related operators have great potential safety hazards, and at present, the problems are avoided only by adopting up-down cutting and reducing the cutter feeding amount of the heading machine.

In practice, two telescopic oil cylinders are arranged at the tail part of the tunneling machine, and the tunneling machine is fixed in a mode that the oil cylinders extend out of two sides of a top-tight roadway during working. The method is limited by the width of the development machine and the contact type of the oil cylinder, and the extending distance of the oil cylinder is limited, so that the method is not suitable for a wider roadway; the oil cylinder and the roadway point contact specific pressure is extremely high, and the damage to the roadway is serious; the telescopic structure of the oil cylinder is very easy to damage under the action of large lateral force of the equipment, so the fixing mode of the equipment cannot be popularized.

Disclosure of Invention

The invention aims to solve the problems of slope slipping and roadway parking in the large-slope operation of the development machine; the drilling problem of the cantilever type excavator during the tunneling of the large-gradient roadway; the problem of sideslip and drift of the heading machine when the hard rock is transversely cut and tunneled under the condition of a wet and slippery bottom plate is solved, and the anchoring mechanism of the heading machine is provided.

The invention is realized by adopting the following technical scheme: the anchoring mechanism of the heading machine comprises two anchoring devices, wherein the two anchoring devices are symmetrically arranged on the left side and the right side of the heading machine;

the anchoring device comprises a connecting beam, a supporting beam, a traction oil cylinder for traction and a supporting oil cylinder for stretching;

the end of a cylinder barrel of the traction oil cylinder is hinged to the tunneling machine, a hinged shaft is arranged up and down, the traction oil cylinder rotates relative to the tunneling machine around the hinged shaft, the end of a cylinder rod of the traction oil cylinder is hinged to the connecting beam, the hinged shaft is arranged up and down, and the traction oil cylinder rotates relative to the connecting beam around the hinged shaft;

the end of a cylinder barrel of the supporting oil cylinder is hinged to the heading machine, a hinged hinge shaft is arranged up and down, the supporting oil cylinder rotates relative to the heading machine around the hinged hinge shaft, the end of a cylinder rod of the supporting oil cylinder is hinged to the supporting beam, the hinged hinge shaft is arranged up and down, and the supporting oil cylinder rotates relative to the supporting beam around the hinged hinge shaft;

one end of the connecting beam is hinged to the heading machine, a hinged shaft is arranged up and down, the connecting beam rotates relative to the heading machine around the hinged shaft, the other end of the connecting beam is hinged to the supporting beam, the hinged shaft is arranged up and down, and the connecting beam rotates relative to the supporting beam around the hinged shaft;

the connecting beam and the traction oil cylinder are located below the supporting oil cylinder, the supporting oil cylinder is located on the front side of the connecting beam, the traction oil cylinder is located on the inner side of the supporting beam, and a hinge point of a cylinder barrel end of the traction oil cylinder is located in front of a hinge point of a cylinder barrel end of the supporting oil cylinder.

Furthermore, be equipped with the first mounting groove that is used for holding the traction cylinder on the tie-beam, the jar pole end of traction cylinder is located first mounting groove to it is articulated with the tie-beam through the articulated shaft, and the jar pole end of traction cylinder rotates around the articulated shaft.

Furthermore, a second mounting groove for accommodating the connecting beam and a third mounting groove for accommodating the supporting oil cylinder are formed in the supporting beam, and the third mounting groove is located above the second mounting groove;

one end of the connecting beam, which is hinged with the supporting beam, is positioned in the second mounting groove and is hinged with the supporting beam through a hinge shaft, and the connecting beam rotates around the hinge shaft;

and the end of the rod of the supporting oil cylinder is positioned in the third mounting groove and is hinged with the supporting beam through a hinge shaft, and the end of the rod of the supporting oil cylinder rotates around the hinge shaft.

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

1. the invention realizes parking of the heavy-gradient roadway equipment and drilling of the blast head of the tunneling machine, ensures the stability, is beneficial to realizing the uphill tunneling operation of the tunneling machine, improves the operation safety and improves the ramp adaptability of the roadway equipment;

2. the telescopic hydraulic cylinder is tightly attached to the machine body after being contracted, the occupied space is small, and because longer oil cylinders can be arranged on two sides of the machine body, the telescopic hydraulic cylinder is wider in adjusting range after being expanded, and the adaptability to the width of a roadway is better;

3. when the device is opened to realize the fixation of the device, the surface contact is adopted, the large-area rock wall contact is realized, and the damage to the roadway is greatly reduced;

4. the device adopts a rod system structure, and each structural part is in a box beam type, so that the device can bear large lateral force when parking or dragging the equipment ramp;

5. the method and the device are beneficial to improving the cutting stability of the hard rock of the development machine under the condition of the wet and slippery bottom plate, avoiding sideslip and drift, and greatly improving the cutting efficiency and the operation safety of the development machine;

6. the device can also be used as an anchoring point to pull other devices;

7. the anchor rod is also suitable for anchoring other mining equipment, and has a wide application range;

8. the anchoring (unfolding) and withdrawing of the mechanism can be realized only by opening and closing the traction oil cylinder and the supporting oil cylinder, and the mechanism is simple and rapid.

Drawings

FIG. 1 is a schematic view of the present invention in an anchored (deployed) state;

FIG. 2 is a schematic view of the retracted state of the present invention;

FIG. 3 is a schematic view of the anchoring device in a retracted state;

FIG. 4 is a schematic view of a connecting beam;

FIG. 5 is a schematic structural view of a support beam;

in the figure: 1-connecting beam, 1.1-first mounting groove, 2-supporting beam, 2.1-second mounting groove, 2.2-third mounting groove, 3-traction oil cylinder, 4-supporting oil cylinder, 5-heading machine, 6-roadway and 7-anchoring device.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The "left and right" referred to herein means a lane width direction; the front and the back refer to the length direction of the roadway, the supporting oil cylinders are positioned on the front sides of the connecting beams, and the connecting beams are positioned on the back sides of the supporting oil cylinders; "Up and down" refers to the height direction.

Referring to fig. 1 to 5, the present invention provides a technical solution: the anchoring mechanism of the heading machine comprises two anchoring devices 7, wherein the two anchoring devices 7 are symmetrically arranged on the left side and the right side of the heading machine 5;

the anchoring device 7 comprises a connecting beam 1, a supporting beam 2, a traction oil cylinder 3 for traction and a supporting oil cylinder 4 for stretching;

the cylinder end of the traction oil cylinder 3 is hinged to the tunneling machine 5, a hinged shaft is arranged up and down, the traction oil cylinder 3 rotates relative to the tunneling machine 5 around the hinged shaft, the cylinder rod end of the traction oil cylinder 3 is hinged to the connecting beam 1, the hinged shaft is arranged up and down, and the traction oil cylinder 3 rotates relative to the connecting beam 1 around the hinged shaft;

the end of a cylinder barrel of the supporting oil cylinder 4 is hinged to the heading machine 5, a hinged hinge shaft is arranged up and down, the supporting oil cylinder 4 rotates relative to the heading machine 5 around the hinge shaft, the end of a cylinder rod of the supporting oil cylinder 4 is hinged to the supporting beam 2, the hinged hinge shaft is arranged up and down, and the supporting oil cylinder 4 rotates relative to the supporting beam 2 around the hinge shaft;

one end of the connecting beam 1 is hinged to the heading machine 5, a hinged shaft is arranged up and down, the connecting beam 1 rotates relative to the heading machine 5 around the hinged shaft, the other end of the connecting beam 1 is hinged to the supporting beam 2, the hinged shaft is arranged up and down, and the connecting beam 1 rotates relative to the supporting beam 2 around the hinged shaft;

the connecting beam 1 and the traction oil cylinder 3 are located below the supporting oil cylinder 4, the supporting oil cylinder 4 is located on the front side of the connecting beam 1, the traction oil cylinder 3 is located on the inner side of the supporting beam 2, and a hinge point of a cylinder barrel end of the traction oil cylinder 3 is located in front of a hinge point of a cylinder barrel end of the supporting oil cylinder 4.

The connecting beam 1 is provided with a first mounting groove 1.1 for accommodating the traction oil cylinder 3, the rod end of the traction oil cylinder 3 is positioned in the first mounting groove 1.1 and is hinged with the connecting beam 1 through a hinge shaft, and the rod end of the traction oil cylinder 3 rotates around the hinge shaft.

The supporting beam 2 is provided with a second mounting groove 2.1 for accommodating the connecting beam 1 and a third mounting groove 2.2 for accommodating the supporting oil cylinder 4, and the third mounting groove 2.2 is positioned above the second mounting groove 2.1;

one end of the connecting beam 1, which is hinged with the supporting beam 2, is positioned in the second mounting groove 2.1 and is hinged with the supporting beam 2 through a hinge shaft, and the connecting beam 1 rotates around the hinge shaft;

the rod end of the supporting oil cylinder 4 is positioned in the third mounting groove 2.2 and is hinged with the supporting beam 2 through a hinge shaft, and the rod end of the supporting oil cylinder 4 rotates around the hinge shaft.

When the anchoring mechanism works, the traction oil cylinders 3 and the tightening oil cylinders 4 on the two sides of the equipment are communicated with a hydraulic power source in a rodless cavity, the four oil cylinders push the connecting beams 1 and the supporting beams 2 on the two sides of the equipment to be away from the equipment body, the supporting beams 2 on the two sides are pressed on the side wall of the roadway and locked, and the equipment is fixed on the ramp through the reaction force of the side wall of the roadway on the equipment.

When the anchoring mechanism is withdrawn, the traction oil cylinders 3 and the tightening oil cylinders 4 on the two sides of the equipment are connected with the hydraulic power source in the rod cavities, the four oil cylinders simultaneously contract to pull the connecting beams 1 and the supporting beams 2 on the two sides of the equipment to gradually approach the equipment body, and finally the connecting beams 1 and the supporting beams 2 on the two sides cling to the two sides of the equipment body and are locked.

The anchoring mechanism for the roadway equipment is provided aiming at the limitation of the existing roadway equipment in heavy-gradient operation, tunneling of a tunneling machine in a heavy-gradient roadway and hard rock tunneling under the condition of a wet skid bottom plate and the requirement on a new technology, and on one hand, the adaptability of a ramp of the roadway equipment is improved; on the other hand, the problems of heavy-gradient tunneling of the tunneling machine and hard rock tunneling under the condition of a wet and slippery bottom plate are solved, and the tunneling efficiency and the operation safety of the tunneling machine are improved; therefore, the method can be widely applied to heading machines under the conditions of large-gradient roadway operation equipment and wet skid bottom plates, and has a wide market prospect.

The implementation process of the application comprises the following steps:

1. positioning; the development machine 5 runs to the working face and then stops;

2. anchoring; after the development machine 5 stops, the traction oil cylinders 3 of the two anchoring devices 7 and the reversing valves of the supporting oil cylinders 4 are opened, the traction oil cylinders 3 and the supporting oil cylinders 4 extend, so that the connecting beam 1 and the supporting beam 2 are pushed to be away from the development machine 5 until the supporting beam 2 adapts to an included angle between the development machine 5 and a roadway side wall and is tightly pressed on the side wall of the roadway, finally the traction oil cylinders 3 and the supporting oil cylinders 4 are locked, equipment is fixed on a ramp by reacting force of the roadway side wall on the equipment, the supporting beam 2 is in surface contact with the roadway side wall, large-area rock wall contact is realized, and damage to the roadway is greatly reduced;

3. carrying out operation; the development machine 5 performs operation;

4. withdrawing; after the operation of the heading machine 5 is completed, the traction oil cylinders 3 and the support oil cylinders 4 of the two anchoring devices 7 are simultaneously contracted to pull the connecting beam 1 and the support beam 2 to be close to the heading machine 5 until the connecting beam 1 and the support beam 2 are tightly attached to two sides of the heading machine 5, and finally the traction oil cylinders 3 and the support oil cylinders 4 are locked.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.