CN219733427U

CN219733427U - Coal mine excavating supporting structure

Info

Publication number: CN219733427U
Application number: CN202320735309.XU
Authority: CN
Inventors: 张付尚; 孙磊; 田涛
Original assignee: Shandong Sanhekou Mining Co ltd
Current assignee: Shandong Sanhekou Mining Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-09-22
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a coal mine excavating support structure, and relates to the technical field of coal mine excavating support; the utility model comprises vertical plates, wherein the number of the vertical plates is two, the vertical plates are vertically and symmetrically distributed, arc-shaped protective top covers are commonly arranged at the upper ends of the two vertical plates, vertical plates are fixedly arranged at two opposite sides of the narrower vertical plate wall, a driving component is arranged between the two vertical plates and the protective ejector rod, a convex fixed plate is fixedly arranged on the lower surface of the vertical plate, a through groove is formed in the fixed plate, a movable plate is arranged at the lower end of the inside of the through groove, and idler wheels are arranged on the lower surface of the movable plate; according to the utility model, the first motor can drive the first screw rod to rotate through the first rotating shaft, so that the sliding block inserted on the first screw rod is moved upwards, the moving plate can push the ejector rod and the protective top cover to move upwards, the protective top cover is conveniently adjusted to a proper height, the top of a coal mine is supported and protected, and meanwhile, higher staff can conveniently enter the coal mine.

Description

Coal mine excavating supporting structure

Technical Field

The utility model relates to the technical field of coal mine excavation supporting, in particular to a coal mine excavation supporting structure.

Background

In order to protect the safety of workers and avoid the collapse of a mine tunnel in the coal mine mining process, a supporting structure is often built in the coal mine mining mine tunnel;

the authorized publication number is CN214577130U, discloses a coal mine excavating supporting structure, and belongs to the technical field of coal mine supporting. The utility model provides a supporting construction is excavated in colliery, including the roof, the bottom plate has been set firmly between two hydraulic stem lower extreme, the movable seat top surface has seted up the board groove for the position of fly leaf, be symmetrical structure between fly leaf bottom surface and the board tank bottom surface and set firmly two compression springs, extrusion board inside wall upper end has set firmly the extrusion piece, the through groove has been seted up for the position of extrusion piece to the movable seat outer wall upper end, the extrusion board inside wall lower extreme is rectangular arrangement and has set firmly four slide posts, the column groove has been seted up for the position of slide post to the movable seat lateral wall, the inner chamber has been coaxially seted up at the slide post medial extremity middle part, set firmly extension spring between inner chamber lateral wall and the column groove inside wall. The utility model enhances the supporting strength of the top wall of the mine tunnel, avoids collapse of the top wall, can also support the inner walls at two sides of the mine tunnel, and ensures the safety of coal mining work of workers;

the authorized publication number is CN216974890U, discloses a coal mine excavating supporting structure, which comprises: the main part, the cavity has been seted up to the inside of main part, the side fixedly connected with backup pad of cavity inner wall, the top fixedly connected with work motor of backup pad, the output shaft of work motor extends the bottom fixedly connected with pivot that passes the backup pad. According to the coal mine excavating supporting structure, when the coal mine excavating supporting structure is used, the main gear is driven to rotate through the working motor, so that the auxiliary gear is driven to rotate, the telescopic pipe is driven to rotate through the first driving belt, the second driving belt and the third driving belt, the telescopic rod is used for pressing down the bottom plate, the main body is driven to ascend, the effect that the supporting structure can be adjusted simultaneously and the supporting is uniform is achieved, the problem that most of equipment needs manual adjustment of the equipment, heights of two sides of the equipment are different, and the supporting is uneven is solved;

to sum up, the supporting structure top cap that the colliery was excavated and was used often is fixed, and some colliery is inside because highly all differs, and staff's height also can appear dividing the difference simultaneously, can remove for guaranteeing supporting structure simultaneously, generally can increase the gyro wheel in the bottom, rolls the woods position and does not carry out spacing device, and the gyro wheel can drive the device and remove and lead to influencing the problem of supporting.

In view of the above problems, the inventors propose a coal mine mining support structure for solving the above problems.

Disclosure of Invention

In order to solve the problems of stopping the roller on the supporting device and adjusting the ejector rod on the supporting structure; the utility model aims to provide a coal mine excavating supporting structure.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a supporting construction is excavated in colliery, includes the riser, riser quantity is two and is vertical symmetric distribution, two the riser upper end is equipped with jointly and is curved protection top cap, the narrower relative both sides of riser outer wall are fixed and are equipped with the riser, two be equipped with drive assembly between riser and ejector pin, drive assembly can make protection top cap reciprocate, fixed surface is equipped with the fixed plate that is protruding under the riser, logical groove has been seted up to the fixed plate inside, logical inslot portion lower extreme is equipped with the movable plate, the movable plate lower surface is equipped with the gyro wheel, be equipped with pushing assembly between logical inslot wall upper end and the movable plate.

Preferably, the drive assembly includes first spout, first spout is seted up at the riser inner wall, it is equipped with the slider to slide in the first spout, lateral wall rotates jointly about the movable groove and is equipped with first lead screw, the slider screw thread inserts on establishing first lead screw, the slider upper surface is located the fixed ejector pin that is equipped with in both ends of first lead screw, two riser fixed connection is run through at the protection top cap lower surface to the ejector pin upper end, and first pivot can drive first lead screw and rotate for the screw thread inserts the slider on first lead screw and shifts up, thereby can make movable plate promote ejector pin and protection top cap and shift up, conveniently adjust suitable height with the protection top cap, support the protection to the colliery top, make things convenient for higher staff to get into simultaneously, first lead screw lower extreme is equipped with first pivot, be located same two first pivot common drive cover is equipped with first belt on the riser, and first belt can drive two first pivots simultaneously and rotate, increases the linkage of the device, is located same two first pivot motor lower extreme connections on the riser are equipped with first through first, rotates convenient operation personnel.

Preferably, the riser end activity is inserted and is equipped with the guard plate, guard plate top fixed connection is in the protection top cap tip, and the guard plate protects the colliery wall of lateral wall.

Preferably, the pushing device comprises a second screw rod with opposite threads at two ends, the second screw rod is rotatably arranged at the top end of the through groove, first wedge-shaped jacking blocks which are symmetrically distributed are inserted into threads at two ends of the second screw rod, second wedge-shaped jacking blocks corresponding to the first wedge-shaped jacking blocks are fixedly arranged on the upper surface of the moving plate, one end, away from the first motor, of the second screw rod is fixedly provided with a second rotating shaft, one end, located on the outer wall of the fixed plate, of the second rotating shaft is connected with a second motor, the second motor is matched with a second belt to drive the two second rotating shafts to drive the two second screw rods to rotate at the same time, the first wedge-shaped jacking blocks which are inserted into two ends of the second screw rod are in opposite directions, contact with the second wedge-shaped jacking blocks is canceled, the fixed plate is directly abutted to the ground under the pressure of a device above, the two second rotating shafts are fixedly sleeved with the second belt through the gravity of the device, the two second rotating shafts are located on one end of the outer wall of the fixed plate, the second belt can simultaneously drive the two second rotating shafts to rotate, and the installation of an electric appliance is reduced, and the linkage of the device is simultaneously increased.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the first motor can drive the first screw rod to rotate through the first rotating shaft, so that the sliding block inserted on the first screw rod in a threaded manner moves upwards, and the movable plate can push the ejector rod and the protective top cover to move upwards, so that the protective top cover is conveniently adjusted to a proper height, the top of a coal mine is supported and protected, and meanwhile, higher staff can conveniently enter the coal mine;

2. according to the utility model, the second motor is matched with the second belt to drive the two second rotating shafts to drive the two second screw rods to rotate simultaneously, so that the first wedge-shaped jacking blocks which are inserted into the two ends of the second screw rods in a threaded manner move in opposite directions, the contact with the second wedge-shaped jacking blocks is canceled, the pressure of the upper device on the fixed plate directly abuts against the ground, and the fixed plate is stopped by the gravity of the device.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, 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 the overall structure of the present utility model.

Fig. 2 is a schematic side view of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is a schematic cross-sectional view of a fixing plate according to the present utility model.

In the figure: 1. a vertical plate; 11. a protective top cover; 12. a riser; 13. a first chute; 14. a first screw rod; 15. a slide block; 16. a push rod; 17. a protection plate; 18. a first motor; 19. a first belt; 2. a first rotating shaft; 3. a fixing plate; 31. a through groove; 32. a moving plate; 33. a roller; 34. a second screw rod; 35. a first wedge-shaped top block; 36. a second wedge-shaped top block; 37. a second rotating shaft; 38. a second motor; 39. a second belt.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-4, the utility model provides a coal mine mining supporting structure, which comprises vertical plates 1, wherein the number of the vertical plates 1 is two, the vertical plates are vertically and symmetrically distributed, arc-shaped protective top covers 11 are commonly arranged at the upper ends of the two vertical plates 1, vertical plates 12 are fixedly arranged at two opposite sides of the narrower outer wall of the vertical plate 1, driving components are arranged between the two vertical plates 12 and a top rod 16, the driving components can enable the protective top covers 11 to move up and down, a convex fixed plate 3 is fixedly arranged on the lower surface of the vertical plate 1, through grooves 31 are formed in the fixed plate 3, movable plates 32 are arranged at the lower ends of the inner parts of the through grooves 31, rollers 33 are arranged on the lower surfaces of the movable plates 32, and pushing components are arranged between the upper ends of the inner walls of the through grooves 31 and the movable plates 32.

The driving assembly comprises a first chute 13, the first chute 13 is arranged on the inner wall of the vertical plate 12, a sliding block 15 is arranged in the first chute 13 in a sliding manner, a first screw rod 14 is arranged on the upper side wall and the lower side wall of the movable groove in a co-rotating manner, the sliding block 15 is inserted on the first screw rod 14 in a threaded manner, ejector rods 16 are fixedly arranged at the two ends of the upper surface of the sliding block 15, and the upper ends of the two ejector rods 16 penetrate through the vertical plate 12 and are fixedly connected to the lower surface of the protective top cover 11.

Through adopting above-mentioned technical scheme, first pivot 2 can drive first lead screw 14 and rotate for the slider 15 that the screw thread was inserted on first lead screw 14 shifts up, thereby can make movable plate 32 promote ejector pin 16 and protective top cover 11 shift up, conveniently adjusts protective top cover 11 to suitable height, supports the protection to the colliery top, and the convenient higher staff of while gets into.

The lower end of the first screw rod 14 is provided with a first rotating shaft 2, and a first belt 19 is sleeved on the two first rotating shafts 2 on the same vertical plate 1 in a common transmission way.

By adopting the technical scheme, the first belt 19 can drive the two first rotating shafts 2 to rotate simultaneously, so that the linkage of the device is improved.

One lower end of two first rotating shafts 2 positioned on the same vertical plate 1 is connected with a first motor 18.

Through adopting above-mentioned technical scheme, rotate through first motor 18, make things convenient for the staff to operate.

The end of the vertical plate 1 is movably inserted with a protection plate 17, and the top end of the protection plate 17 is fixedly connected with the end part of the protection top cover 11.

By adopting the technical scheme, the protection plate 17 protects the coal mine wall of the side wall.

The pushing device comprises a second screw rod 34 with opposite threads at two ends, the second screw rod 34 is rotatably arranged at the top end of the through groove 31, first wedge-shaped jacking blocks 35 which are symmetrically distributed are inserted into threads at two ends of the second screw rod 34, second wedge-shaped jacking blocks 36 corresponding to the first wedge-shaped jacking blocks 35 are fixedly arranged on the upper surface of the moving plate 32, a second rotating shaft 37 is fixedly arranged at one end, far away from the first motor 18, of the second screw rod 34, and a second motor 38 is connected with one end, located on the outer wall of the fixed plate 3, of one second rotating shaft 37.

Through adopting above-mentioned technical scheme, second motor 38 cooperation second belt 39 can drive two second pivots 37 simultaneously and drive two second lead screws 34 rotation for the first wedge kicking block 35 that the screw thread was inserted at second lead screw 34 both ends removes in opposite directions, cancel with the contact of second wedge kicking block 36, fixed plate 3 receives the pressure of the device of top and will directly offset with ground, stops through the gravity of the device self.

The two second rotating shafts 37 are arranged at one end of the outer wall of the fixed plate 3 and are sleeved with a second belt 39 in a common transmission way.

By adopting the technical scheme, the second belt 39 can drive the two second rotating shafts 37 to rotate simultaneously, so that the installation of electrical equipment is reduced, and meanwhile, the linkage of the device is increased.

Working principle: when the device is used, the first motor 18 can drive the first screw rod 14 to rotate through the first rotating shaft 2, so that the sliding blocks 15 which are inserted into the threads on the first screw rod 14 move upwards, the moving plate 32 can push the ejector rods 16 and the protective top cover 11 to move upwards, the protective top cover 11 is conveniently adjusted to a proper height, the top of a coal mine is supported and protected, meanwhile, higher workers can conveniently enter the device, when the device moves at a position where the device needs to be supported, the second motor 38 can be directly driven, the second motor 38 is matched with the second belt 39 to simultaneously drive the two second rotating shafts 37 to drive the two second screw rods 34 to rotate, the first wedge-shaped top blocks 35 which are inserted into the threads on the two ends of the second screw rods 34 move oppositely, the contact with the second wedge-shaped top blocks 36 is canceled, the fixed plate 3 is subjected to pressure of an upper device to be directly abutted against the ground, when the device is required to move, the second motor 38 is reversely started, the first wedge-shaped top blocks 35 are abutted against the second wedge-shaped top blocks 36, the moving plate 32 is pushed to move downwards, and the lower side of the moving plate 32 is supported against the ground, and the ground can be supported by the roller plate 33 at the moment, and the upper side of the roller wheel 3 can be supported against the ground, and the ground can not be supported by the ground, and the ground can be supported by the ground at the upper side.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides a coal mine excavating supporting structure, includes riser (1), movable groove and thrust unit, its characterized in that: the utility model discloses a movable roof structure for the automobile, including riser (1) and fixed subassembly, riser (1) quantity is two and is vertical symmetric distribution, two riser (1) upper end is equipped with jointly and is curved protection top cap (11), riser (12) are fixed being equipped with in the relative both sides of riser (1) outer wall narrower, two riser (12) are equipped with drive assembly with ejector pin (16) between, riser (1) lower surface mounting is equipped with fixed plate (3) that are protruding, logical groove (31) have been seted up to fixed plate (3) inside, logical groove (31) inside lower extreme is equipped with movable plate (32), movable plate (32) lower surface is equipped with gyro wheel (33), be equipped with the promotion subassembly between logical groove (31) inner wall upper end and movable plate (32).

2. A coal mine mining supporting structure according to claim 1, wherein the driving assembly comprises a first chute (13), the first chute (13) is formed in the inner wall of the vertical plate (12), a sliding block (15) is arranged in the first chute (13) in a sliding mode, a first screw rod (14) is arranged on the upper side wall and the lower side wall of the movable chute in a rotating mode in a common mode, the sliding block (15) is inserted into the first screw rod (14) in a threaded mode, ejector rods (16) are fixedly arranged at two ends of the first screw rod (14) on the upper surface of the sliding block (15), and the upper ends of the two ejector rods (16) penetrate through the vertical plate (12) and are fixedly connected to the lower surface of the protective top cover (11).

3. A coal mine mining supporting structure according to claim 2, wherein the lower end of the first screw rod (14) is provided with a first rotating shaft (2), and a first belt (19) is sleeved on the common transmission sleeve of the two first rotating shafts (2) on the same vertical plate (1).

4. A coal mine mining supporting structure as claimed in claim 1, wherein a first motor (18) is provided at one of the lower ends of two first shafts (2) on the same riser (1).

5. A coal mine excavating support structure according to claim 1, wherein a protection plate (17) is movably inserted into the end of the vertical plate (1), and the top end of the protection plate (17) is fixedly connected to the end of the protection top cover (11).

6. A coal mine excavating support structure according to claim 1, wherein the pushing device comprises a second screw rod (34) with opposite threads at two ends, the second screw rod (34) is rotatably arranged at the top end of the through groove (31), first wedge-shaped top blocks (35) symmetrically distributed are inserted into the threads at two ends of the second screw rod (34), second wedge-shaped top blocks (36) corresponding to the first wedge-shaped top blocks (35) are fixedly arranged on the upper surface of the movable plate (32), a second rotating shaft (37) is fixedly arranged at one end, far away from the first motor (18), of the second screw rod (34), and a second motor (38) is connected with one end, located on the outer wall of the fixed plate (3), of one second rotating shaft (37).

7. A coal mine mining supporting structure as claimed in claim 6, wherein the two second shafts (37) are co-driven on one end of the outer wall of the fixed plate (3) and are provided with a second belt (39).