阅读说明：本技术 一种自动触发临时挡矸支护装置 (Automatic trigger temporary waste rock retaining and supporting device ) 是由 郭鹏飞 赵涌旭 李志康 袁亚迪 于 2021-05-28 设计创作，主要内容包括：本发明提供一种自动触发临时挡矸支护装置,包括底座,底座上设液压支架,液压支架上设顶梁,底座挡矸面设挡板,挡板内设挡帘,挡帘上连有升降机构,升降机构由触发机构触发带动,升降机构包括若干剪式连杆、气缸、滑槽,若干剪式连杆以此首尾相连,若干剪式连杆的最低端滑动在滑槽内,最顶端滑动连在挡帘杆上,触发机构包括外挡板、触点一、触点二、若干弹簧,外挡板设在挡板外侧,下端铰接在底座上,触点一设在外挡板靠近挡板一面,触点二与触点一相对设在挡板上,挡板和外挡板之间设若干弹簧,该自动触发临时挡矸支护装置,采用外挡板和挡板相结合的方式,利用外挡板抵挡矸石的下落情况,触发挡帘对矸石进行进一步抵挡,实现分级挡矸作业。(The invention provides an automatic triggering temporary waste rock retaining and supporting device, which comprises a base, wherein a hydraulic support is arranged on the base, a top beam is arranged on the hydraulic support, a baffle is arranged on the waste rock retaining surface of the base, a retaining curtain is arranged in the baffle, a lifting mechanism is connected onto the retaining curtain and driven by the triggering of a triggering mechanism, the lifting mechanism comprises a plurality of scissor type connecting rods, a cylinder and a chute, the scissor type connecting rods are connected end to end, the lowest ends of the scissor type connecting rods slide in the chute, the topmost ends of the scissor type connecting rods slide on the retaining curtain rod, the triggering mechanism comprises an outer baffle, a first contact, a second contact and a plurality of springs, the outer baffle is arranged on the outer side of the baffle, the lower end of the outer baffle is hinged onto the base, the first contact is arranged on one side of the outer baffle, the second contact is arranged on the baffle opposite to the first contact, the plurality of springs are arranged between the baffle and the outer baffle, the automatic triggering temporary waste rock retaining and supporting device adopts the mode of combining the outer baffle and the baffle, the outer baffle is used for resisting the falling condition of the gangue, the stop curtain is triggered to further resist the gangue, and the grading gangue stopping operation is realized.)

1. The utility model provides an automatic trigger interim waste rock retaining and protecting device, includes base (1), a plurality of hydraulic prop (2), back timber (3), baffle (4), a plurality of hydraulic prop (2) are vertical to be set up on base (1), back timber (3) set up on a plurality of hydraulic prop (2) tops, establish at base (1) waste rock face, its characterized in that are kept off in baffle (4): the utility model discloses a novel window shade, including baffle (4), be equipped with in the cavity in baffle (4), baffle (5) rise end is connected on keeping off curtain pole (6), be connected with elevating system (7) on keeping off curtain pole (6), elevating system (7) are triggered by trigger mechanism (8) and are driven, elevating system (7) include a plurality of formula connecting rod (71), cylinder (72), spout (73) of cutting, a plurality of formula connecting rod (71) of cutting with this end to end, a plurality of the minimum end of cutting formula connecting rod (71) slides in spout (73), and top sliding connection is on keeping off curtain pole (6), trigger mechanism (8) include outer baffle (81), contact one (82), contact two (83), a plurality of spring (84), outer baffle (81) are established in the baffle (4) outside, and the lower extreme articulates on base (1), contact one (82) are established and are close to baffle (4) one side in outer baffle (81), the second contact (83) is arranged on one surface, close to the outer baffle (81), of the baffle (4), the first contact (82) corresponds to the second contact (83), and a plurality of springs (84) are arranged between the baffle (4) and the outer baffle (81).

2. The automatic triggering temporary waste rock blocking and supporting device according to claim 1, is characterized in that: and cloth (9) is arranged between the baffle (4) and the outer baffle (81) and is used for blocking a gap between the baffle (4) and the outer baffle (81).

3. The automatic triggering temporary waste rock blocking and supporting device according to claim 1, is characterized in that: the roller shutter is characterized in that the blocking curtain (5) is connected to a roller (52) at the bottom of the baffle (4), a return spring (51) is arranged in the roller (52), and the blocking curtain (5) can be recovered to the roller (52) under the action of the return spring (51).

4. The automatic triggering temporary waste rock blocking and supporting device according to claim 1, is characterized in that: a plurality of wheels (10) are arranged under the bottom plate (1).

5. The utility model provides a combination is strutted to gob entry retaining waste rock which characterized in that: the automatic triggering temporary waste rock retaining and supporting device consists of the device in claim 4, wherein the bottom plate (1) and the bottom plate (1) of the waste rock retaining and supporting combination are connected through an elastic chain (11).

Technical Field

The invention relates to the technical field of roadway support with a '110 construction method', in particular to an automatic triggering temporary waste rock blocking support device.

Background

Along with the high-speed development of economy, the demand for coal resources is increasing day by day, gob-side entry retaining recovers protective coal pillars reserved in the traditional mining mode, an original stoping roadway is maintained along the edge of a goaf behind a coal face, namely, a roadway is reserved along the boundary of the goaf behind the coal face for the next section of working face to use, the gob-side entry retaining not only reduces the excavation amount of the roadway and relieves the conflict of mining and taking over, but also has the advantages of shortening the moving time of the working face, canceling an island working face, improving the mining rate of the coal resources, preventing spontaneous combustion of a coal seam from igniting, prolonging the service life of a mine and the like, and meanwhile, the gob-side entry retaining technology has great superiority in the aspect of controlling major accident disasters of the coal mine.

In the gob entry mining process, it is general to need the waste rock blocking device to strut tunnel group portion, current waste rock blocking device mainly includes a plurality of metal mesh, scalable U shaped steel, monomer support and protects group support etc. when using, need lay the metal mesh in face support rear tunnel and collecting space area handing-over department, U shaped steel and protect group support, and need link together each part, withdraw each part one by one after the mining is accomplished, it is loaded down with trivial details to lay the step, and all need manual operation, degree of mechanization is lower, the engineering progress is slow. Meanwhile, the waste rock blocking form of the metal net is not convenient to disassemble, and is not beneficial to the observation of the side part and the work of mining, sampling, transporting and the like of the waste rock of the side part. Therefore, gob-side entry retaining needs to achieve the following objectives: firstly, the problems that the gob-side entry retaining is mechanical for retaining waste rock, the requirement of supporting strength is met, and a support can move are solved; and secondly, performing automatic waste rock blocking operation and grading waste rock blocking operation aiming at the situation that the waste rocks in different areas fall and are stacked.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an automatic triggering temporary waste rock blocking and supporting device, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an automatic triggering temporary waste rock retaining and supporting device comprises a base, a plurality of hydraulic pillars, a top beam and a baffle plate, wherein the hydraulic pillars are vertically arranged on the base, the top beam is arranged at the top ends of the hydraulic pillars, the baffle plate is arranged on the waste rock retaining surface of the base, a hollow space is arranged in the baffle plate, a retaining curtain is arranged in the hollow space, the starting end of the retaining curtain is connected onto a retaining curtain rod, a lifting mechanism is connected onto the retaining curtain rod and is driven by a triggering mechanism in a triggering mode, the lifting mechanism comprises a plurality of shear type connecting rods, a cylinder and a sliding chute, the shear type connecting rods are connected end to end, the lowest end of the shear type connecting rods slides in the sliding chute, the topmost end of the shear type connecting rods is connected onto the retaining curtain rod in a sliding mode, the triggering mechanism comprises an outer baffle plate, a contact I, a contact II and a plurality of springs, the outer baffle plate is arranged outside the baffle plate, the lower end of the outer baffle plate is hinged onto the base, the contact I is arranged close to the baffle plate, the second contact is arranged on one surface, close to the outer baffle, of the baffle, the first contact corresponds to the second contact, and a plurality of springs are arranged between the baffle and the outer baffle.

Preferably, cloth is arranged between the baffle and the outer baffle and used for blocking a gap between the baffle and the outer baffle.

Preferably, the stop curtain is connected to the roller at the bottom of the baffle, a return spring is arranged in the roller, and the stop curtain can be recovered on the roller under the action of the return spring.

Preferably, a plurality of wheels are arranged below the bottom plate.

Preferably, the bottom plate and the bottom plate of the waste rock retaining and supporting combination are connected by an elastic chain.

(III) advantageous effects

The invention provides an automatic triggering temporary waste rock retaining and supporting device. The method has the following beneficial effects:

1. this automatic trigger interim waste rock retaining and protecting device adopts the mode that outer baffle and interior baffle combined together, utilizes the whereabouts condition that outer baffle kept off the waste rock, triggers the check apron and further keeps off the waste rock, realizes the operation of keeping off the waste rock in grades.

2. This automatic trigger interim waste rock retaining support device adopts the combination use that bottom plate installation wheel and elastic chain link to each other, solves and struts the problem that can not remove.

Drawings

FIG. 1 is a schematic view of an open configuration of the present invention;

FIG. 2 is a schematic view of a closed structure of the curtain of the present invention;

FIG. 3 is a schematic view of the curtain surface of the present invention;

FIG. 4 is a schematic structural diagram of the lifting mechanism of the present invention;

FIG. 5 is a schematic diagram of a practical structure of the present invention in a roadway;

FIG. 6 is an enlarged view of FIG. 5 at A;

FIG. 7 is an enlarged view of FIG. 5 at B;

FIG. 8 is a schematic view of the structure of the present invention in combination.

In the figure: the device comprises a base 1, a hydraulic prop 2, a top beam 3, an inner baffle 4, a curtain 5, a return spring 51, a roller 52, a curtain rod 6, a lifting mechanism 7, a scissor type connecting rod 71, a cylinder 72, a sliding chute 73, a trigger mechanism 8, an outer baffle 81, a contact I82, a contact II 83, a spring 84, cloth 9, wheels 10 and an elastic chain 11.

Detailed Description

The embodiment of the invention provides an automatic triggering temporary waste rock retaining and supporting device, which comprises a base 1, a plurality of hydraulic pillars 2, a top beam 3 and an inner baffle plate 4, wherein the hydraulic pillars 2 are vertically arranged on the base 1, the top beam 3 is arranged at the top ends of the hydraulic pillars 2, the inner baffle plate 4 is arranged on the waste rock retaining surface of the base 1, the inner baffle plate 4 is hollow and internally provided with a curtain 5, the starting end of the curtain 5 is connected to a curtain blocking rod 6, the curtain blocking rod 6 is connected with a lifting mechanism 7, the lifting mechanism 7 is triggered and driven by a triggering mechanism 8, the lifting mechanism 7 comprises a plurality of shear type connecting rods 71, an air cylinder 72 and a sliding chute 73, the shear type connecting rods 71 are connected end to end, the lowest ends of the shear type connecting rods 71 slide in the sliding chute 73, the highest ends of the shear type connecting rods 71 are connected to the curtain blocking rod 6 in a sliding manner, and the triggering mechanism 8 comprises an outer baffle plate 81, Contact 82, contact two 83, a plurality of spring 84, outer baffle 81 is established in the inner baffle 4 outside, and the lower extreme articulates on base 1, contact 82 is established and is close to inner baffle 4 one side at outer baffle 81, contact two 83 are established and are close to outer baffle 81 one side at inner baffle 4, contact 82 is corresponding with contact two 83, is equipped with a plurality of springs 84 between inner baffle 4 and the outer baffle 81, and contact 82 and contact two 83 and its cylinder 72 all link to each other with the controller, and contact 82, contact two 83 and cylinder 72 are prior art, and when contact 82 and contact two 83 contact, the controller starts cylinder 72, raises the stop curtain 5.

As shown in fig. 6, a cloth 9 is arranged between the inner barrier 4 and the outer barrier 81 for blocking a gap between the inner barrier 4 and the outer barrier 81, and preventing gangue from falling into a gap between the inner barrier 4 and the outer barrier 81 to cause the outer barrier 81 to be incapable of rotating and the triggering mechanism 8 to be ineffective.

How 7 shows, the blocking curtain 5 is connected to a roller 52 at the bottom of the inner baffle 4, a return spring 51 is arranged in the roller 52, and the blocking curtain 5 can be recovered on the roller 52 under the action of the return spring 51.

As shown in fig. 1, a plurality of wheels 10 are arranged under a bottom plate 1 to facilitate the movement of a cover stop bar supporting device.

As shown in figure 8, the gob-side entry retaining waste rock retaining support combination consists of an automatic triggering temporary waste rock retaining support device, wherein a bottom plate 1 and a bottom plate 1 of the waste rock retaining support combination are connected by an elastic chain 11, the front of the first stop lever supporting device is connected with a hydraulic support, the walking of the whole stop lever supporting combination is realized along with the advancing of the hydraulic support, the hydraulic prop 2 on the bottom plate 1 can be adjusted along with the working of the hydraulic support in front, the supporting top beam 3 is adjusted to support the top of the roadway, the roadway is supported temporarily, the collapse of the top beam 3 caused by unstable stress of the top beam 3 of the roadway when the gob is just formed is prevented, the collapse of the gangue in the gob is prevented from entering the roadway, a safe working space is provided for workers, the safety factor of the roadway is improved, meanwhile, the side surface can be graded to block the waste rock, and the blocking curtain 5 is automatically triggered according to the falling condition of the waste rock.

The working principle is as follows: the automatic triggering temporary waste rock blocking support device can be used independently or in combination according to requirements, can be used for temporary waste rock blocking support of a coal face, and can also be used for temporary waste rock blocking support of gob-side entry retaining, as shown in fig. 5 and 6, the device uses a working schematic diagram, a hydraulic prop 2 on a bottom plate 1 props against a top beam 3 to form a temporary support for the top face, and the waste rock blocking face is realized in a grading mode according to the falling condition of the waste rock when the waste rock falls less, the triggering mechanism 8 is not enough to be triggered, the waste rock is blocked by an outer baffle 81, observation and other operations on the waste rock face are facilitated, and when the waste rock falls to a set threshold value, the triggering mechanism 8 starts to lift a blocking curtain 5, the waste rock blocking face is completely sealed, and the safety of a supporting space is guaranteed.

As shown in fig. 8, during the gob-side entry retaining operation, the gob-side entry retaining operation is used in a multi-combination manner, when the front hydraulic support (not shown) 2 moves forward, the whole device is driven to move forward, the hydraulic prop 2 can adjust and support the top beam 3 for supporting the top of the roadway along with the work of the front hydraulic support, the roadway is temporarily supported and is located on the fluctuation of the roadway surface, the bottom plates 1 of the device are connected through the elastic chains 11 to facilitate the forward movement, and the outer baffle 81 forms effective grading gangue blocking operation on one side of the broken stone.

In summary, the following steps:

this automatic trigger interim waste rock retaining and protecting device adopts the mode that outer baffle 81 and interior baffle 4 combined together, utilizes the whereabouts condition that outer baffle 81 kept off the waste rock, triggers curtain 5 and further keeps off the waste rock, realizes the operation of keeping off the waste rock in grades.

This automatic trigger interim waste rock retaining support device adopts the combination that bottom plate installation wheel and elastic chain link to each other to use, solves to strut the problem that can not remove, makes things convenient for interim support and waste rock retaining, reduces intensity of labour.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.