CN214091920U

CN214091920U - Supporting frame for coal mining tunneling roadway

Info

Publication number: CN214091920U
Application number: CN202023102510.XU
Authority: CN
Inventors: 徐付军; 巩志力; 蒋金磊
Original assignee: Yongcheng Coal and Electricity Holding Group Co Ltd
Current assignee: Yongcheng Coal and Electricity Holding Group Co Ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-31
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a supporting frame for coal mining tunneling roadway, which comprises connecting rods, inserting rods, cross rods, supporting rods and stand columns, wherein the bottom end of each stand column is fixedly connected with a bottom plate, a reinforcing plate is fixedly connected between the bottom plate and the stand columns, the stand columns are provided with two stand columns in a relatively parallel manner, the top ends of the stand columns are connected with the connecting rods through the supporting rods, the connecting rods are provided with two connecting rods in a relatively parallel manner, the two connecting rods are connected with the cross rods through the inserting rods, the two inserting rods are provided with two inserting rods in a relatively parallel manner, the inserting rods are movably connected with the cross rods, and the cross rods are connected with the connecting rods through telescopic rods; the box body is fixedly connected to the center of the top end of the transverse rod, the top end of the box body is connected with the supporting plate through the push rod, a second threaded rod is arranged in the box body, and the top end of the second threaded rod is rotatably connected with the inner wall of the top end of the box body. The supporting frame for the coal mining tunneling roadway is reasonable in design, simple to operate and easy to popularize.

Description

Supporting frame for coal mining tunneling roadway

Technical Field

The utility model belongs to the technical field of the coal mining, concretely relates to a braced frame for coal mining tunnelling.

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an open pit coal mine.

However, among the prior art, current support frame is formed by steel pipe and wooden frame preparation mostly, and overall structure is comparatively fixed, can't adjust according to the height in mine hole when supporting the mine hole for the supporting effect is ideal inadequately, can not satisfy the user demand of coal mine enterprise.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a braced frame for coal mining tunnelling tunnel to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a supporting frame for coal mining tunneling roadways comprises connecting rods, inserting rods, cross rods, supporting rods and stand columns, wherein the bottom ends of the stand columns are fixedly connected with a bottom plate, a reinforcing plate is fixedly connected between the bottom plate and the stand columns, the stand columns are relatively parallelly provided with two, the top ends of the stand columns are connected with the connecting rods through the supporting rods, the connecting rods are relatively parallelly provided with two, the two connecting rods are connected with the cross rods through the inserting rods, the two inserting rods are relatively parallelly provided with two, the inserting rods are movably connected with the cross rods, and the cross rods are connected with the connecting rods through telescopic rods;

the box body is fixedly connected to the center of the top end of the transverse rod, the top end of the box body is connected with the supporting plate through the push rod, a second threaded rod is arranged in the box body, the top end of the second threaded rod is rotatably connected with the inner wall of the top end of the box body, the bottom end of the second threaded rod sequentially penetrates through the box body and the transverse rod to be connected with the fastening nut, the movable plate is sleeved on the second threaded rod, the push rod is vertically inserted into the upper end face of the movable plate, and one end, far away from the movable plate, of the push rod penetrates through the box body and is vertically inserted into the supporting plate.

Preferably, the movable plate and the supporting plate are arranged in parallel, the cross rod is located at the position of the second threaded rod, a through hole is formed in the position of the cross rod, the second threaded rod is located in the through hole, and the bottom end of the second threaded rod is provided with an insertion hole.

Preferably, a slot is formed in one end, close to the inserted link, of the cross link, one end of the inserted link is inserted into the slot, and the inserted link is fixedly connected with the cross link through a bolt.

Preferably, a motor is arranged in the stand column, the bottom end of the motor is fixedly connected with the inner wall of the bottom end of the stand column, a motor output shaft is arranged at the top end of the motor, and a power supply is installed at the bottom end of the stand column.

Preferably, still be equipped with first threaded rod in the stand, first threaded rod top is connected with stand top inner wall rotation, first threaded rod bottom and the motor output shaft on motor top.

Preferably, a push plate is sleeved on the first threaded rod, a support rod is vertically inserted into the upper end face of the push plate, and the top end of the support rod penetrates through the upright post and is vertically inserted into the connecting rod.

The utility model discloses a technological effect and advantage: this a braced frame for coal mining tunnelling tunnel, the fly leaf can promote the backup pad through the push rod and do the upward movement, until make backup pad top and tunnelling tunnel top inner wall contact, then twist the fastening nut cover on the second threaded rod and revolve, the fastening nut top contacts with the horizontal pole bottom, thereby reach the purpose of prescribing a limit to the second threaded rod position, make the backup pad support more stable, design through the reinforcing plate, can improve the stability of stand, design through the inserted bar, thereby be convenient for adjust the length of horizontal pole, through the motor, the design of tunnelling bracing piece and push pedal, can be further highly adjust the backup pad, this a braced frame for coal mining tunnel, reasonable in design, and the operation is simple, and the promotion is easy.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a point a in fig. 1 according to the present invention;

fig. 3 is a perspective view of the stand column of the present invention.

In the figure: the device comprises a connecting rod 1, an inserting rod 2, a slot 3, a cross rod 4, a supporting plate 5, a push rod 6, a box 7, an expansion rod 8, a supporting rod 9, a vertical column 10, a first threaded rod 11, a push plate 12, a motor 13, a power supply 14, a bottom plate 15, a reinforcing plate 16, a second threaded rod 17, a movable plate 18, a through hole 19, a jack 20 and a fastening nut 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a support frame for coal mining excavation roadway as shown in figures 1-3, including connecting rod 1, inserted bar 2, horizontal pole 4, bracing piece 9 and stand 10, the bottom fixedly connected with bottom plate 15 of stand 10, fixedly connected with reinforcing plate 16 between bottom plate 15 and stand 10, stand 10 is parallel to be equipped with two relatively, the top of stand 10 is connected with connecting rod 1 through bracing piece 9, connecting rod 1 is parallel to be equipped with two relatively, two connecting rod 1 all is connected with horizontal pole 4 through inserted bar 2, inserted bar 2 is parallel to be equipped with two relatively, inserted bar 2 and horizontal pole 4 swing joint, horizontal pole 4 is connected with connecting rod 1 through telescopic link 8, reinforcing plate 16 is equipped with a plurality ofly, through the design of reinforcing plate 16, can improve the stability of stand 10, bottom plate 15 passes through the bolt fastening subaerial (drilling on the ground promptly, the expansion bolt is driven into the hole, the through hole is formed in the bottom plate, and the top of the expansion bolt is fastened through the nut after penetrating out of the through hole).

The center of the top end of the cross rod 4 is fixedly connected with a box body 7, the top end of the box body 7 is connected with a support plate 5 through a push rod 6, a second threaded rod 17 is arranged in the box body 7, the top end of the second threaded rod 17 is rotatably connected with the inner wall of the top end of the box body 7, the bottom end of the second threaded rod 17 sequentially penetrates through the box body 7 and the cross rod 4 to be connected with a fastening nut 21, a movable plate 18 is sleeved on the second threaded rod 17, the push rod 6 is vertically inserted on the upper end face of the movable plate 18, one end, far away from the movable plate 18, of the push rod 6 penetrates through the box body 7 to be vertically inserted on the support plate 5, the second threaded rod 17 is in threaded fit with the movable plate 18, the second threaded rod 17 is screwed, the movable plate 18 can push the support plate 5 to move upwards through the push rod 6 until the top end of the support plate 5 is contacted with the inner wall of the top end of the excavation roadway, and then the fastening nut 21 is sleeved on the second threaded rod 17 to be screwed, the top end of the fastening nut 21 is in contact with the bottom end of the cross bar 4, thereby achieving the purpose of limiting the position of the second threaded rod 17.

The telescopic rod 8 consists of an internal threaded rod and an external threaded rod, the external threaded rod is screwed in the internal threaded rod, the internal threaded rod is hinged with the cross rod 4 through a bolt, and the external threaded rod is hinged with the connecting rod 1 through a bolt; the length of the telescopic rod 8 is adjusted along with the moving length of the inserted link 2 in the cross bar 4, so as to further strengthen the stability between the connecting link 1 and the inserted link 2.

Specifically, the movable plate 18 and the support plate 5 are arranged in parallel, the cross bar 4 is located at the position of the second threaded rod 17 and provided with a through hole 19, the second threaded rod 17 is located in the through hole 19, the bottom end of the second threaded rod 17 is provided with a jack 20, and a crank used for rotating the second threaded rod 17 is inserted in the jack 20.

Specifically, slot 3 has been seted up to the one end that horizontal pole 4 is close to inserted bar 2, inserted bar 2 one end is inserted in slot 3, inserted bar 2 passes through bolt and horizontal pole 4 fixed connection, through the design of inserted bar 2 to be convenient for adjust the length of horizontal pole 4.

It should be noted that, two threaded holes are respectively opened at the two ends of the outer wall of the cross rod 4, the butterfly bolt is screwed into the threaded holes, and after the length of the inserted bar 2 is filled in the cross rod 4, the inserted bar 2 is fixed in the cross rod 4 after the butterfly bolt is screwed to extrude the inserted bar 2.

Specifically, be equipped with motor 13 in the stand 10, motor 13 bottom and stand 10 bottom inner wall fixed connection, motor 13 top is equipped with the motor output shaft, power 14 is installed to stand 10 bottom, power 14 and motor 13 electric connection.

Specifically, still be equipped with first threaded rod 11 in the

stand

10, 11 tops of first threaded rod rotate with stand 10 top inner walls and be connected, the motor output shaft on 11 bottoms of first threaded rod and 13 tops of motor, motor 13 drive first threaded rod 11 and rotate, first threaded rod 11 and push pedal 12 screw-thread fit, push pedal 12 can promote connecting rod 1 through bracing piece 9 and be the upward movement.

Specifically, a push plate 12 is sleeved on the first threaded rod 11, a support rod 9 is vertically inserted into the upper end surface of the push plate 12, and the top end of the support rod 9 penetrates through the upright post 10 and is vertically inserted into the connecting rod 1.

The working principle is as follows: the support frame for coal mining and tunneling comprises the steps that firstly, according to the width of a tunneling roadway, inserting rods 2 positioned at two ends of a cross rod 4 are pulled towards the direction far away from the cross rod 4, the length of the cross rod 4 and the length of the inserting rods 2 are consistent with the width of the tunneling roadway, then two upright columns 10 are fixed at two sides of the tunneling roadway through bolts, the two upright columns 10 are positioned on the same horizontal line, a motor 13 is started, the motor 13 drives a first threaded rod 11 to rotate, the first threaded rod 11 is in threaded fit with a push plate 12, the push plate 12 can push a connecting rod 1 to move upwards through a supporting rod 9, so that the height of the cross rod 4 is adjusted, a crank is inserted into an insertion hole 20 positioned at the bottom end of a second threaded rod 17 and is shaken to drive the second threaded rod 17 to rotate, the second threaded rod 17 is in threaded fit with a movable plate 18, so that the movable plate 18 can push a support plate 5 to move upwards through a push rod 6, until the top end of the supporting plate 5 is in contact with the inner wall of the top end of the excavation roadway, the crank is pulled out, the fastening nut 21 is sleeved on the second threaded rod 17 and screwed, and the top end of the fastening nut 21 is in contact with the bottom end of the cross rod 4, so that the purpose of limiting the position of the second threaded rod 17 is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a braced frame for coal mining tunnelling tunnel, includes connecting rod (1), inserted bar (2), horizontal pole (4), bracing piece (9) and stand (10), its characterized in that: the bottom end of the upright post (10) is fixedly connected with a bottom plate (15), a reinforcing plate (16) is fixedly connected between the bottom plate (15) and the upright post (10), two upright posts (10) are arranged in parallel relatively, the top end of the upright post (10) is connected with two connecting rods (1) through a supporting rod (9), the two connecting rods (1) are arranged in parallel relatively, the two connecting rods (1) are connected with a cross rod (4) through inserting rods (2), the two inserting rods (2) are arranged in parallel relatively, the inserting rods (2) are movably connected with the cross rod (4), and the cross rod (4) is connected with the connecting rods (1) through telescopic rods (8);

the novel horizontal pole box is characterized in that a box body (7) is fixedly connected to the center of the top end of the horizontal pole (4), the top end of the box body (7) is connected with the supporting plate (5) through a push rod (6), a second threaded rod (17) is arranged in the box body (7), the top end of the second threaded rod (17) is rotatably connected with the inner wall of the top end of the box body (7), the bottom end of the second threaded rod (17) sequentially penetrates through the box body (7), the horizontal pole (4) and a fastening nut (21) to be connected, a movable plate (18) is sleeved on the second threaded rod (17), a push rod (6) is vertically inserted into the upper end face of the movable plate (18), and one end, far away from the movable plate (18), of the push rod (6) penetrates through the box body (7) and is vertically inserted into the supporting plate (5).

2. A supporting frame for a coal mining excavation roadway according to claim 1, characterized in that: the movable plate (18) and the support plate (5) are arranged in parallel relatively, the cross rod (4) is located at the position of the second threaded rod (17) and is provided with a through hole (19), the second threaded rod (17) is located in the through hole (19), and the bottom end of the second threaded rod (17) is provided with a jack (20).

3. A supporting frame for a coal mining excavation roadway according to claim 1, characterized in that: the novel multifunctional telescopic rod is characterized in that a slot (3) is formed in one end, close to the inserted rod (2), of the cross rod (4), one end of the inserted rod (2) is inserted into the slot (3), and the inserted rod (2) is fixedly connected with the cross rod (4) through a bolt.

4. A supporting frame for a coal mining excavation roadway according to claim 1, characterized in that: the motor is characterized in that a motor (13) is arranged in the upright column (10), the bottom end of the motor (13) is fixedly connected with the inner wall of the bottom end of the upright column (10), a motor output shaft is arranged at the top end of the motor (13), and a power supply (14) is installed at the bottom end of the upright column (10).

5. A supporting frame for a coal mining excavation roadway according to claim 1, characterized in that: still be equipped with first threaded rod (11) in stand (10), first threaded rod (11) top is rotated with stand (10) top inner wall and is connected, the motor output shaft on first threaded rod (11) bottom and motor (13) top.

6. A supporting frame for a coal mining excavation roadway according to claim 5, characterized in that: the first threaded rod (11) is sleeved with a push plate (12), the upper end face of the push plate (12) is vertically inserted with a support rod (9), and the top end of the support rod (9) penetrates through the upright post (10) to be vertically inserted onto the connecting rod (1).