CN116335732A - Underground hydraulic support hoisting system and method - Google Patents

Abstract

The invention discloses an underground hydraulic support hoisting system, which relates to the technical field of hydraulic support transportation and assembly, and comprises a monorail crane unit, a yard unit and a hoisting unit, wherein the monorail crane unit comprises a monorail crane rail and a crane device capable of sliding along the monorail crane rail; the yard unit comprises a double-strand ground rail, a conveying device and a traction device, wherein the double-strand ground rail comprises a main rail and a secondary rail which are respectively paved on a bottom plate of a conveying roadway; the hoisting unit comprises a hoisting chamber and a hoisting device; the hoisting chamber is positioned right above the middle part of the auxiliary rail, and the hoisting device is arranged at the top end of the hoisting chamber. The method comprises the following steps: the hydraulic support components are transported to a yard unit through a crane device, then transported into a lifting chamber through a transport device, and assembled into an integral hydraulic support in the lifting chamber; and finally, the integral hydraulic support is transported into the open-cut eye for installation through a crane device. The invention shortens the driving path of the integral hydraulic support and reduces the cost of roadway repair.

Description

Underground hydraulic support hoisting system and method

Technical Field

The invention relates to the technical field of hydraulic support transportation and assembly, in particular to a system and a method for hoisting an underground hydraulic support.

Background

The hydraulic support is key equipment for comprehensive mechanized mining of coal mines, can reliably and effectively support and control a top plate of a working face, isolate a goaf and prevent gangue from entering the stope face and pushing a scraper conveyor. Because the working space of the underground roadway is limited and working tools for transporting large-scale equipment are lacked, the underground transportation difficulty of fully-mechanized large-scale mining equipment is increased, the installation and operation efficiency of the fully-mechanized mining equipment on the working face is severely restricted, and the fully-mechanized mining equipment has become a safety production focus closely focused by coal mine technicians.

The existing hydraulic support hoisting system is generally arranged in an underground main track stone gate or a main track main roadway, the section of the main track stone gate or the main track main roadway is large, enough space is available for installing large hoisting equipment, and the assembled integral support is hoisted to a stope face through a monorail for open-cut hole on-site installation.

The defects are: the whole support has longer running route, has higher requirements on the installation quality and the running reliability of the monorail crane, and increases the failure rate of the monorail crane; secondly, the size of the whole support is large, the section size of the roadway meets the requirement of the hydraulic support for transportation, particularly in deep roadways, the mine pressure is obvious, and the roadway needs to be repaired frequently to meet the requirement of transportation, so that the time and the labor are consumed.

Disclosure of Invention

The invention aims to provide a system and a method for hoisting an underground hydraulic support, which are used for solving the problems in the prior art, shortening the transportation route of an integral support and reducing the failure rate of a monorail crane and the maintenance frequency of a roadway.

In order to achieve the above object, the present invention provides the following solutions:

the invention provides a lifting system of an underground hydraulic support, which comprises the following components:

a monorail unit comprising a monorail track and a crane means slidable along the monorail track for lifting and transporting hydraulic support members; the monorail crane track is suspended on the top plate of the main roadway, the top plate of the transportation roadway and the top plate of the open-cut hole; one end of the transportation roadway is communicated with the open-cut eye, the other end of the transportation roadway is communicated with the main roadway, and the monorail crane track extends into the open-cut eye from the main roadway and the transportation roadway;

the system comprises a yard unit, a storage unit and a control unit, wherein the yard unit comprises a double-strand ground rail, a conveying device and a traction device, the double-strand ground rail comprises a main rail and an auxiliary rail which are respectively paved on a bottom plate of a conveying roadway, two ends of the auxiliary rail are respectively intersected with the main rail, and a space is reserved between the middle part of the auxiliary rail and the main rail; a turnout is arranged at the intersection part of the auxiliary rail and the main rail; the transport device is movable along the primary rail and the secondary rail, the transport device being for transporting hydraulic support components; the traction devices are respectively arranged at two ends of the double-strand ground rail and are used for traction and transportation of the device along the double-strand ground rail;

the hoisting unit comprises a hoisting chamber and a hoisting device; the lifting chamber is located right above the middle of the auxiliary rail, the lifting device is arranged at the top end of the lifting chamber, and the lifting device is used for lifting or landing the hydraulic support component.

Preferably, the open-cut eyes are closer to the hoisting units than the main roadway, and the distance between the hoisting chamber and the open-cut eyes is 300m-400m.

Preferably, the main track is located below the monorail crane track, and the distance between the middle part of the auxiliary track and the track center line of the main track is greater than or equal to 1.9m.

Preferably, the traction device is respectively arranged at two ends of the main track and two ends of the auxiliary track.

Preferably, the height of the lifting chamber is higher than the height of the transportation roadway, and the width of the lifting chamber is at least 1.5 times that of the transportation roadway.

Preferably, the lifting device comprises a supporting piece and lifting equipment fixedly connected with the supporting piece, and the supporting piece is fixed on a top plate of the lifting chamber by a lifting anchor rod or a lifting anchor rope.

Preferably, the supporting piece comprises a first supporting beam and a second supporting beam, the first supporting beam is arranged along the width direction of the transportation roadway, the first supporting beam is clung to the top plate of the lifting chamber, the second supporting beam is arranged along the length direction of the transportation roadway, and the second supporting beam is positioned below the first supporting beam and clung to the first supporting beam; and the second supporting beam is provided with a penetrating hole, and the penetrating hole is used for penetrating the lifting anchor rod or the lifting anchor rope.

The invention also provides a lifting method of the underground hydraulic support, which is based on the lifting system of the underground hydraulic support and comprises the following steps:

s1: the hydraulic support component is driven from the main roadway to a yard unit in the transportation roadway through a crane device;

s2: unloading the hydraulic support components conveyed to the yard unit onto a conveying device, sequentially conveying the hydraulic support components to a secondary track through a traction device according to the installation sequence of the hydraulic supports, and finally conveying the hydraulic support components into a lifting chamber;

s3: assembling the hydraulic support components into an integral hydraulic support in the lifting chamber;

s4: loading the integral hydraulic support on the conveying device, and then transporting the conveying device to a main rail through a traction device;

s5: and the whole hydraulic support is transported into the open-cut eye for installation through the crane device.

Compared with the prior art, the invention has the following technical effects:

the underground hydraulic support hoisting system and the underground hydraulic support hoisting method reduce the hoisting distance of the whole hydraulic support, reduce the cost of roadway repair and greatly improve the installation efficiency of the open-cut fully-mechanized mining equipment.

Specifically, the underground hydraulic support hoisting system and the underground hydraulic support hoisting method complete the work of assembling the whole hydraulic support by the disassembled hydraulic support parts at the position 300-400m away from the open-cut hole, thereby reducing the running path of the whole hydraulic support, reducing the failure rate of the monorail crane and the bearing force of the roadway, reducing the frequency of maintenance of the roadway and reducing the maintenance cost of the roadway.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a downhole hydraulic support hoisting system of the present invention;

FIG. 2 is a schematic diagram of the structure of a lifting chamber in the underground hydraulic support lifting system of the invention;

FIG. 3 is a schematic diagram of the structure of a lifting chamber in the underground hydraulic support lifting system of the invention;

FIG. 4 is a flow chart of a method of construction of the downhole hydraulic support hoisting system of the present invention;

1, a monorail crane track; 2. a crane device; 3. double-strand ground rail; 31. a main track; 32. a secondary track; 4. a transport device; 5. a traction device; 6. hoisting the chamber; 7. a first support beam; 8. a second support beam; 9. hoisting an anchor cable; 10. a transportation roadway; 11. and (5) opening and cutting eyes.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention aims to provide a system and a method for hoisting an underground hydraulic support, which are used for solving the problems in the prior art, shortening the transportation route of an integral support and reducing the failure rate of a monorail crane and the maintenance frequency of a roadway.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

Example 1

As shown in fig. 1-3, the present embodiment provides a lifting system for an underground hydraulic support, which includes a monorail crane unit, a yard unit and a lifting unit.

The monorail crane unit comprises a monorail crane rail 1 and a crane device 2 capable of sliding along the monorail crane rail 1, wherein the crane device 2 is used for lifting and transporting hydraulic support components; the monorail crane track 1 is suspended on the top plate of a main roadway, the top plate of a transport roadway 10 and the top plate of an open-cut hole 11; one end of the haulage roadway 10 is communicated with the open-cut eye 11, the other end of the haulage roadway is communicated with the main roadway, and the monorail crane track 1 extends from the main roadway and the haulage roadway 10 into the open-cut eye 11; the larger roadway of the open-cut eye 11 is closer to the hoisting unit, and the distance between the hoisting chamber 6 and the open-cut eye 11 is 300m-400m.

The yard unit comprises a double-strand ground rail 3, a conveying device 4 and a traction device 5, wherein the double-strand ground rail 3 comprises a main rail 31 and an auxiliary rail 32 which are respectively paved on the bottom plate of the conveying roadway 10, two ends of the auxiliary rail 32 are respectively intersected with the main rail 31, and a space is reserved between the middle part of the auxiliary rail 32 and the main rail 31; a turnout is arranged at the intersection of the auxiliary rail 32 and the main rail 31; the transport device 4 is movable along the main rail 31 and the auxiliary rail 32, the transport device 4 being used for transporting hydraulic carrier components; traction devices 5 are respectively arranged at two ends of the double-strand ground rail 3, and the traction devices 5 are used for traction the transportation device 4 to move along the double-strand ground rail 3;

in this embodiment, as shown in fig. 2, the center of the main track 31 is offset to the right by 1m from the center line of the transportation roadway 1010, the center of the auxiliary track 32 is offset to the left by 1m from the center line of the transportation roadway 10, the widths of the main track 31 and the auxiliary track 32 are both 1.6m, and the center line spacing between the two tracks is 1.9m. Both ends of the main rail 31 and both ends of the sub rail 32 are provided with one traction device 5, respectively.

The hoisting unit comprises a hoisting chamber 6 and a hoisting device; the lifting chamber 6 is located right above the middle part of the auxiliary rail 32, a lifting device is arranged at the top end of the lifting chamber 6, and the lifting device is used for lifting or dropping the hydraulic support component.

The height of the lifting chamber 6 is higher than the height of the transportation tunnel 10, and the width of the lifting chamber 6 is at least 1.5 times the width of the transportation tunnel 10.

In this embodiment, the lifting chamber 6 is formed by lifting and brushing the top of the rail transportation tunnel 10. When the chamber 6 is hoisted in construction, the back side is firstly jacked, and a row of supports are brushed. The top plate of the transportation tunnel 10 is upwards lifted, grooves with the length of 3m, the width of 2m and the depth of 1m are picked out, and the width of 6m, the height of 6m and the length of 5m of the lifting chamber 6 are obtained after the tunnel upper part is brushed and expanded.

After the construction and the support of the lifting chamber 6 are completed, a lifting device is installed, the lifting device is installed in a groove of the lifting chamber 6, the lifting device comprises a supporting piece and lifting equipment fixedly connected with the supporting piece, and the supporting piece is fixed on a top plate of the lifting chamber 6 through a lifting anchor rod or a lifting anchor rope 9.

The supporting piece comprises a first supporting beam 7 and a second supporting beam 8, the first supporting beam 7 is arranged along the width direction of the transportation roadway 10, the first supporting beam 7 is clung to the top plate of the lifting chamber 6, the second supporting beam 8 is arranged along the length direction of the transportation roadway 10, and the second supporting beam 8 is positioned below the first supporting beam 7 and clung to the first supporting beam 7; the second supporting beam 8 is provided with a penetrating hole for penetrating the lifting anchor rod or the lifting anchor rope 9.

In this embodiment, the first support beam 77 is a 12# i-beam 2.8m long (3 12# i-beams are fixed side by side, and the fixing manner is welding, bolting or other connection manner); the second support beam 88 is a 12# i beam of 800mm length. The first support beam 77 is fixed in the following manner: 5 groups of second supporting beams 88 are arranged along the width direction of the roadway, two L=7.2m hoisting anchor cables 99 are arranged on each group of second supporting beams 88, and the hoisting anchor cable 9 holes are symmetrically arranged and have a center distance of 500mm.

Example two

Referring to fig. 1-3, the embodiment provides a lifting method for an underground hydraulic support, based on the lifting system for the underground hydraulic support, comprising the following steps:

s1: the hydraulic support components are driven from the main roadway to the yard units in the transport roadway 10 by crane means 2;

s2: unloading the hydraulic support components transported to the yard unit onto the transport device 4, sequentially transporting the hydraulic support components to the auxiliary rail 32 through the traction device 5 according to the installation sequence of the hydraulic supports, and finally transporting the hydraulic support components into the lifting chamber 6;

s3: assembling the hydraulic support parts into an integral hydraulic support in the hoisting chamber 6;

s4: the whole hydraulic support is loaded on the conveying device 4, and then the conveying device 4 is driven to the main rail 31 through the traction device 5;

s5: the whole hydraulic support is transported into the open-cut eye 11 by the crane device 2 for installation.

Example III

As shown in fig. 1 to 4, the present embodiment provides a construction method of the underground hydraulic support hoisting system of the first embodiment, which specifically includes the following steps:

s1, determining the position of a lifting chamber 6 according to a design drawing and size requirements, starting construction, picking a roof, brushing a wall, and supporting the lifting chamber 6 in time after picking the roof and brushing the wall;

s2, installing a supporting piece and lifting equipment on the top plate of the lifting chamber 6 after the lifting chamber 6 is lifted and supported according to the step S1;

s3, bedding and leveling roadway bottom plates in the construction range of the yard system, and then paving a main rail 31, a secondary rail 32 and a turnout;

and S4, installing traction devices 5 at two ends of the main track 31 and the auxiliary track 32.

In step S1, further comprising: and drawing a central line on a roadway top plate according to a measurement control point of a ground measurement department, drawing temporary waist lines on two sides of the roadway, determining the position of the lifting chamber 6, and marking.

In step S2, a temporary lifting anchor rod or lifting anchor cable 9 is constructed before the lifting device is constructed.

The concrete construction method for hoisting the chamber 6 comprises the following steps:

(1) Firstly, according to a design drawing, determining the position of the lifting chamber 6, and determining the lifting height and the bedding depth by referring to the waist line of the lifting chamber 6.

(2) The lifting chamber 6 is constructed according to the design position, the length of the lifting chamber 6 is 5m, the clear width is 6m, and the clear height is 6m.

(3) When the top of the chamber 6 is hoisted in construction, the pneumatic pick is used for excavating, the goods are manually shone up to the rubber belt conveyor for delivery, and the anchor net rope is used for supporting.

(4) When the pneumatic pick is lifted, the pneumatic pick connecting head is required to be tightly fastened, so that people are strictly prevented from being injured by falling off, and an operator is required to hold the pneumatic pick by one hand during construction, and the pneumatic pick is stable by one hand, so that the pneumatic pick is prevented from being emptied and injured by people.

(5) When the roof is picked, special people need to observe the roof, find abnormality and take measures in time for treatment.

(6) When stubble is opened, the top plate and the upper part should be timely supported by the anchor net rope, and the hollow upper operation is strictly forbidden.

(7) The top plate of the lifting chamber 6 is supported by anchor net ropes, the row spacing among the anchor rods is 900 multiplied by 900mm, each row of 11 rods, and when the bare upper of the right upper behind the bedroom is higher than 1m, 13 rods are needed to be respectively and additionally beaten.

(8) After the lifting chamber 6 is lifted and anchored net rope supporting is finished, a 12# I-beam with the length of 2.8m is installed on the top plate of the lifting chamber 66 according to the width direction of the roadway, and 5 groups of 12# I-beams with the length of 800mm are installed along the length direction of the roadway at a row spacing of 600 mm.

(9) When the wall part of the chamber 6 is constructed and lifted, a scaffold is erected above the rubber belt conveyor, a person stands on the scaffold to brush the wall part, and a safe distance of 300-500mm is kept between the scaffold platform and the upper part of the rubber belt.

(10) When the top is picked and the upper is brushed, the goods can be selected to directly fall to the ground, and then the goods are manually picked up and delivered to the rubber belt conveyor for delivery; holes with the diameters of not more than 300mm multiplied by 400mm can be reserved on the scaffold to serve as shipment channels, and cargoes directly fall onto the rubber belt conveyor through the holes.

The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (8)

1. A downhole hydraulic prop hoisting system, comprising:

a monorail unit comprising a monorail track and a crane means slidable along the monorail track for lifting and transporting hydraulic support members; the monorail crane track is suspended on the top plate of the main roadway, the top plate of the transportation roadway and the top plate of the open-cut hole; one end of the transportation roadway is communicated with the open-cut eye, the other end of the transportation roadway is communicated with the main roadway, and the monorail crane track extends into the open-cut eye from the main roadway and the transportation roadway;

the system comprises a yard unit, a storage unit and a control unit, wherein the yard unit comprises a double-strand ground rail, a conveying device and a traction device, the double-strand ground rail comprises a main rail and an auxiliary rail which are respectively paved on a bottom plate of a conveying roadway, two ends of the auxiliary rail are respectively intersected with the main rail, and a space is reserved between the middle part of the auxiliary rail and the main rail; a turnout is arranged at the intersection part of the auxiliary rail and the main rail; the transport device is movable along the primary rail and the secondary rail, the transport device being for transporting hydraulic support components; the traction devices are respectively arranged at two ends of the double-strand ground rail and are used for traction and transportation of the device along the double-strand ground rail;

the hoisting unit comprises a hoisting chamber and a hoisting device; the lifting chamber is located right above the middle of the auxiliary rail, the lifting device is arranged at the top end of the lifting chamber, and the lifting device is used for lifting or landing the hydraulic support component.

2. The downhole hydraulic support hoisting system of claim 1, wherein: the open-cut eyes are closer to the hoisting units than the main roadway, and the distance between the hoisting chamber and the open-cut eyes is 300m-400m.

3. The downhole hydraulic support hoisting system of claim 1, wherein: the main track is positioned below the monorail crane track, and the distance between the middle part of the auxiliary track and the track central line of the main track is greater than or equal to 1.9m.

4. The downhole hydraulic support hoisting system of claim 1, wherein: the traction device is arranged at two ends of the main track and two ends of the auxiliary track respectively.

5. The downhole hydraulic support hoisting system of claim 1, wherein: the height of the lifting chamber is higher than that of the transportation roadway, and the width of the lifting chamber is at least 1.5 times that of the transportation roadway.

6. The downhole hydraulic support hoisting system of claim 1, wherein: the lifting device comprises a supporting piece and lifting equipment fixedly connected with the supporting piece, and the supporting piece is fixed on a top plate of the lifting chamber through a lifting anchor rod or a lifting anchor rope.

7. The downhole hydraulic cradle hoisting system of claim 6, wherein: the supporting piece comprises a first supporting beam and a second supporting beam, the first supporting beam is arranged along the width direction of the transportation roadway and is clung to the top plate of the lifting chamber, the second supporting beam is arranged along the length direction of the transportation roadway, and the second supporting beam is positioned below the first supporting beam and clung to the first supporting beam; and the second supporting beam is provided with a penetrating hole, and the penetrating hole is used for penetrating the lifting anchor rod or the lifting anchor rope.

8. A method for hoisting an underground hydraulic support, based on the underground hydraulic support hoisting system of any one of claims 1-7, characterized by comprising the following steps:

s1: the hydraulic support component is driven from the main roadway to a yard unit in the transportation roadway through a crane device;

s2: unloading the hydraulic support components conveyed to the lathe unit onto a conveying device, sequentially conveying the hydraulic support components to a secondary track through a traction device according to the installation sequence of the hydraulic supports, and finally conveying the hydraulic support components into a lifting chamber;

s3: assembling the hydraulic support components into an integral hydraulic support in the lifting chamber;

s4: loading the integral hydraulic support on the conveying device, and then transporting the conveying device to a main rail through a traction device;

s5: and the whole hydraulic support is transported into the open-cut eye for installation through the crane device.

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