CN216381440U

CN216381440U - Mining engineering thin coal seam hydraulic support frame base

Info

Publication number: CN216381440U
Application number: CN202123286649.9U
Authority: CN
Inventors: 许春明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-04-26
Anticipated expiration: 2031-12-24

Abstract

The utility model provides a mining engineering thin coal seam hydraulic support frame base, which relates to the technical field of support frame bases and comprises a lower support plate, an upper support plate and a screw rod, wherein a hinge block and a hinge seat are fixedly arranged on one side, opposite to the lower support plate and the upper support plate, respectively, a rotating shaft penetrates through one end, opposite to the hinge block and the hinge seat, of the hinge block, the hinge block is hinged to a first hinge plate through the rotating shaft, the hinge seat is hinged to a second hinge plate through the rotating shaft, and an assembling block and a drive plate are respectively sleeved on the outer surface of the screw rod. According to the utility model, the hinge block, the first hinge plate, the damping shaft, the second hinge plate, the hinge seat, the first sleeve, the first inner rod, the assembly block, the screw, the crank and the drive plate are arranged, so that the lower support plate and the upper support plate can be stably and slowly propped open, and the drive force pushes the upper support plate to move in an inclined manner, so that the drive force does not directly impact the thin coal seam, and the probability of the upper support plate for supporting and breaking the thin coal seam is further reduced.

Description

Mining engineering thin coal seam hydraulic support frame base

Technical Field

The utility model relates to the technical field of support frame bases, in particular to a mining engineering thin coal seam hydraulic support frame base.

Background

Mining is a technology for mining mineral resources from the inside of a crust and the surface of the earth, a coal seam with the thickness of less than 1.3m is generally called a thin coal seam in the coal mining process, the situation that the thin coal seam is difficult to mine can be met in the coal mining process, a hydraulic support frame is required to be used for supporting in order to improve the safety of the thin coal seam mining process, however, most of the existing mining engineering thin coal seam hydraulic support frames are provided with an upper support plate and a lower support plate which pass through a driving assembly, such as an electric telescopic rod or a hydraulic cylinder, the driving force of the driving assemblies is mostly directly driven from bottom to top, the force cannot be well buffered in the driving process, when the driving is too fast, the thin coal seam is easily damaged to cause the base of the hydraulic support frame to lose the supporting effect, and therefore improvement needs to be carried out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a hydraulic support frame base for a thin coal seam in mining engineering.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a mining engineering thin coal seam hydraulic support frame base, includes the bottom suspension fagging, goes up backup pad and screw rod, the bottom suspension fagging is adorned articulated piece and articulated seat respectively admittedly with last backup pad relative one side, articulated piece all runs through with the relative one end of articulated seat and is provided with the pivot, articulated piece articulates through the pivot has the articulated slab No. one, articulated seat articulates through the pivot has the articulated slab No. two, the surface of screw rod is equipped with equipment piece and drive plate respectively the cover, the both ends of drive plate surface all run through and are provided with the damping axle, the one end surface of screw rod is adorned with the crank admittedly, the bottom of equipment piece is adorned No. one interior pole admittedly, the upper surface of bottom suspension fagging is adorned No. one the sleeve pipe admittedly.

In order to avoid the phenomenon of offset of the upper supporting plate in the moving process, the utility model has the improvement that a stabilizing component is arranged on one side of the lower supporting plate opposite to the upper supporting plate, the stabilizing component comprises a second sleeve and a second inner rod, the bottom end of the second sleeve is fixedly arranged on the upper surface of the lower supporting plate, and the top end of the second inner rod is fixedly arranged on the lower surface of the upper supporting plate.

In order to facilitate the driving plate to synchronously drive the first hinged plate and the second hinged plate to move through the damping shaft, the utility model has the improvement that the top end of the first hinged plate, the second hinged plate and the driving plate are hinged with each other through the damping shaft, and the outer surface of the first inner rod is connected with the inner wall of the first sleeve in a sliding manner.

In order to reduce the friction force between the screw and the assembly block, the utility model is improved in that a bearing penetrates through the assembly block, the assembly block is rotatably connected with the screw through the bearing, the outer surfaces of two ends of the screw are respectively provided with positive and negative threads, and an internal thread cylinder meshed with the screw penetrates through the drive plate.

In order to improve the stability of the upper supporting plate during movement, the utility model improves the structure that the number of the second inner rod and the second sleeve is two, the two groups of the second inner rod and the second sleeve are respectively positioned on two sides of the upper surface of the lower supporting plate, and the outer surface of the second inner rod is connected with the inner wall of the second sleeve in a sliding manner.

In order to further reduce the probability of breaking a thin coal seam by the upper supporting plate, the utility model improves that the upper surface of the upper supporting plate is provided with a buffer assembly, the buffer assembly comprises a positioning rod, inserting holes, a buffer plate, buffer strips, positioning holes and inserting rods, the bottom end of the positioning rod is fixedly arranged at the four corners of the upper surface of the upper supporting plate respectively, the inserting holes are formed in the top end of the positioning rod, the buffer strips are fixedly arranged on the upper surface of the buffer plate, the positioning holes are formed in the four corners of the lower surface of the buffer plate respectively, and the top end of the inserting rod is fixedly arranged on the inner wall of the positioning hole.

In order to conveniently take and place the buffer plate, the buffer plate is improved in the utility model, the outer surface of the positioning rod is in sliding connection with the inner wall of the positioning hole, the outer surface of the insertion rod is in sliding connection with the inner wall of the insertion hole, the buffer plate and the buffer strip are made of vulcanized rubber, and pull handles are fixedly arranged on two sides of the outer surface of the buffer plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the hinge block, the hinge plate I, the damping shaft, the hinge plate II, the hinge seat, the sleeve I, the inner rod I, the assembly block, the screw rod, the crank and the drive plate are arranged, so that the lower support plate and the upper support plate can be stably and flatly propped open, and the upper support plate is pushed to move obliquely by the driving force, so that the driving force cannot directly impact the thin coal seam, the probability of the upper support plate for supporting the broken thin coal seam is further reduced, and the upper support plate can be more stable when moving by arranging the stabilizing component, so that the situation that the upper support plate deviates in the moving process is avoided.

2. According to the utility model, by arranging the buffer component, a buffer component can be additionally arranged above the upper supporting plate, so that the hard upper supporting plate is prevented from directly contacting the lower part of the thin coal seam, and the probability of poking the thin coal seam by the upper supporting plate is further reduced.

Drawings

FIG. 1 is a schematic perspective view of a hydraulic support frame base for a thin coal seam in mining engineering according to the present invention;

FIG. 2 is a bottom perspective view of a base of a hydraulic support frame for a thin coal seam in mining engineering according to the present invention;

FIG. 3 is a partial perspective view of a hydraulic support frame base for a thin coal seam in mining engineering according to the present invention;

FIG. 4 is a partial perspective cross-sectional view of a hydraulic support frame base for a thin coal seam in mining engineering according to the present invention;

FIG. 5 is a perspective exploded view of a hydraulic support frame base for a thin coal seam in mining engineering according to the present invention;

fig. 6 is a partial perspective bottom view of a hydraulic support frame base for a thin coal seam in mining engineering according to the present invention.

Illustration of the drawings:

1. a lower support plate; 2. an upper support plate; 3. a hinged block; 4. a first hinge plate; 5. a damping shaft; 6. a second hinge plate; 7. a hinged seat; 8. a first sleeve; 9. a first inner rod; 10. assembling the blocks; 11. a screw; 12. a crank; 13. a drive plate; 14. a second sleeve; 15. a second inner rod; 16. positioning a rod; 17. inserting holes; 18. a buffer plate; 19. a buffer strip; 20. positioning holes; 21. a plug rod.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Example one

Referring to fig. 1-5, the present invention provides a technical solution: a mining engineering thin coal seam hydraulic support frame base comprises a lower support plate 1, an upper support plate 2 and a screw rod 11, wherein a hinge block 3 and a hinge seat 7 are fixedly arranged on one opposite side of the lower support plate 1 and the upper support plate 2 respectively, the hinge block 3 is arranged to hinge a first hinge plate 4 on two sides of the lower support plate 1 through a rotating shaft, the hinge seat 7 is arranged to hinge a second hinge plate 6 on two sides of the upper support plate 2 through the rotating shaft, the rotating shaft penetrates through one opposite end of the hinge block 3 and the hinge seat 7, the hinge block 3 is hinged with the first hinge plate 4 through the rotating shaft, the hinge seat 7 is hinged with the second hinge plate 6 through the rotating shaft, an assembly block 10 and a drive plate 13 are respectively sleeved on the outer surface of the screw rod 11, damping shafts 5 are respectively arranged at two ends of the outer surface of the drive plate 13, the top end of the first hinge plate 4, the second hinge plate 6 and the drive plate 13 are mutually hinged through the damping shafts 5, damping shaft 5 is arranged to drive a first hinged plate 4 and a second hinged plate 6 to move synchronously through a drive plate 13, so that an upper support plate 2 is pushed obliquely to move flatly and downwards, a crank 12 is fixedly arranged on the outer surface of one end of a screw rod 11, the crank 12 is arranged to facilitate rotation of the screw rod 11, a first inner rod 9 is fixedly arranged at the bottom end of an assembly block 10, a first sleeve 8 is fixedly arranged on the upper surface of a lower support plate 1, the outer surface of the first inner rod 9 is connected with the inner wall of the first sleeve 8 in a sliding mode, the first sleeve 8 and the first inner rod 9 are matched with each other to enable the assembly block 10 to move along with the movement of the screw rod 11, and the drive plate 13 is limited through the screw rod 11.

Referring to fig. 1-5, a stabilizing member is disposed on a side of the lower supporting plate 1 opposite to the upper supporting plate 2, and is configured to improve the stability of the upper supporting plate 2 during movement again, to avoid the situation of deviation during the movement of the upper supporting plate 2, the stabilizing component comprises a second sleeve 14 and a second inner rod 15, the number of the second inner rod 15 and the number of the second sleeve 14 are two, the two sets of the second inner rod 15 and the two sets of the second sleeve 14 are respectively positioned on two sides of the upper surface of the lower supporting plate 1, the two sets of the second inner rod 15 and the two sets of the second sleeve 14 are respectively arranged on two sides of the upper supporting plate 2 and the lower supporting plate 1, the stability of two sides of the two sets of the inner rod 15 can be improved, the bottom end of the second sleeve 14 is fixedly arranged on the upper surface of the lower supporting plate 1, the top end of the second inner rod 15 is fixedly arranged on the lower surface of the upper supporting plate 2, and the outer surface of the second inner rod 15 is connected with the inner wall of the second sleeve 14 in a sliding mode.

Referring to fig. 1, 2, 3 and 4, a bearing is arranged inside the assembly block 10 in a penetrating manner, the bearing is arranged to reduce friction between the screw 11 and the assembly block 10, the assembly block 10 is rotatably connected with the screw 11 through the bearing, the outer surfaces of the two ends of the screw 11 are respectively provided with a positive thread and a negative thread, the positive thread and the negative thread are arranged to drive the driving plate 13 to synchronously approach or depart from each other through the internal thread cylinder, and the driving plate 13 is internally provided with an internal thread cylinder engaged with the screw 11 in a penetrating manner.

Example two

Referring to fig. 1-6, the upper surface of the upper supporting plate 2 is provided with a buffer assembly, the buffer assembly is arranged to prevent the harder upper supporting plate 2 from directly contacting the thin coal seam, the buffer assembly comprises a positioning rod 16, an inserting hole 17, a buffer plate 18, buffer strips 19, positioning holes 20 and inserting rods 21, the bottom end of the positioning rod 16 is fixedly mounted at four corners of the upper surface of the upper supporting plate 2, the inserting hole 17 is formed at the top end of the positioning rod 16, the outer surface of the inserting rod 21 is slidably connected with the inner wall of the inserting hole 17, the buffer strips 19 are fixedly mounted at the upper surface of the buffer plate 18, the buffer plate 18 and the buffer strips 19 are made of vulcanized rubber, the vulcanized material has high elasticity, strong aging resistance and corrosion resistance, pull handles are fixedly mounted at two sides of the outer surface of the buffer plate 18, the positioning holes 20 are flatly formed at four corners of the lower surface of the buffer plate 18 for conveniently taking and placing the buffer plate, the outer surface of the positioning rod 16 is connected with the inner wall of the positioning hole 20 in a sliding manner, and the top end of the insertion rod 21 is fixedly arranged on the inner wall of the positioning hole 20.

The working principle is as follows: when the thin coal seam needs to be supported, the lower supporting plate 1 is moved to the position right below the thin coal seam, then the crank handle 12 is rotated to drive the screw rod 11 to rotate, the screw rod 11 drives the driving plate 13 to move through the internal thread cylinder when rotating, the driving plate 13 synchronously drives the first hinge plate 4 and the second hinge plate 6 to move through the damping shaft 5 when moving, the upper supporting plate 2 is driven to lift under the action of the hinge block 3 and the hinge seat 7, the screw rod 11 drives the assembly block 10 to lift along with the lifting of the upper supporting plate 2 along with the rotation of the screw rod 11, the assembly block 10 drives the first inner rod 9 to slide along the inner wall of the first sleeve 8 when moving, so as to play a primary stabilizing role, the upper supporting plate 2 drives the second inner rod 15 to slide along the inner wall of the second sleeve 14 when moving, so as to play a secondary stabilizing role, and then the buffer plate 18 is taken out through the pull handle, the positioning rod 16 is inserted along the positioning hole 20 until the insertion rod 21 is completely embedded into the insertion hole 17, the buffer strip 19 firstly contacts the thin coal seam along with the continuous rising of the upper supporting plate 2, and then the buffer plate 18 also contacts the thin coal seam after the buffer strip 19 is sunk into the thin coal seam along with the pressure, so that the thin coal seam is supported.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mining engineering thin coal seam hydraulic support frame base, includes bottom suspension fagging (1), goes up backup pad (2) and screw rod (11), its characterized in that: articulated piece (3) and articulated seat (7) are equipped with admittedly respectively to one side that bottom suspension fagging (1) and last backup pad (2) are relative, articulated piece (3) all run through with the one end that articulated seat (7) are relative and are provided with the pivot, articulated piece (3) articulate through the pivot has articulated slab (4) No. two, articulated seat (7) articulate through the pivot has articulated slab (6) No. two, the surface of screw rod (11) is equipped with equipment piece (10) and drive plate (13) respectively, the both ends of drive plate (13) surface all run through and are provided with damping axle (5), the one end surface of screw rod (11) is equipped with crank (12) admittedly, the bottom of equipment piece (10) is equipped with pole (9) No. one admittedly, the upper surface of bottom suspension fagging (1) is equipped with sleeve pipe (8) No. one admittedly.

2. The mining engineering thin coal seam hydraulic support frame base of claim 1, characterized in that: the utility model discloses a support structure, including lower backup pad (1) and upper support plate (2), lower backup pad (1) and upper support plate (2) one side relative are provided with stabilizing assembly, stabilizing assembly includes No. two sleeve pipes (14) and No. two interior poles (15), the upper surface at lower backup pad (1) is adorned admittedly to the bottom of No. two sleeve pipes (14), the lower surface at upper support plate (2) is adorned admittedly to the top of No. two interior poles (15).

3. The mining engineering thin coal seam hydraulic support frame base of claim 1, characterized in that: the top end of the first hinged plate (4), the second hinged plate (6) and the driving plate (13) are hinged to each other through a damping shaft (5), and the outer surface of the first inner rod (9) is connected with the inner wall of the first sleeve (8) in a sliding mode.

4. The mining engineering thin coal seam hydraulic support frame base of claim 3, characterized in that: the bearing is arranged in the assembly block (10) in a penetrating mode, the assembly block (10) is rotatably connected with the screw rod (11) through the bearing, the positive and negative threads are respectively formed in the outer surfaces of the two ends of the screw rod (11), and the internal thread barrel meshed with the screw rod (11) is arranged in the drive plate (13) in a penetrating mode.

5. The mining engineering thin coal seam hydraulic support frame base of claim 2, characterized in that: the number of the second inner rod (15) and the second sleeve (14) is two, the second inner rod (15) and the second sleeve (14) are located on two sides of the upper surface of the lower supporting plate (1) respectively, and the outer surface of the second inner rod (15) is connected with the inner wall of the second sleeve (14) in a sliding mode.

6. The mining engineering thin coal seam hydraulic support frame base of claim 1, characterized in that: the buffer assembly is arranged on the upper surface of the upper supporting plate (2) and comprises a positioning rod (16), an insertion hole (17), a buffer plate (18), buffer strips (19), positioning holes (20) and insertion rods (21), the four corners of the upper surface of the upper supporting plate (2) are fixedly installed at the bottom end of the positioning rod (16) respectively, the insertion holes (17) are formed in the top end of the positioning rod (16), the buffer strips (19) are fixedly installed on the upper surface of the buffer plate (18), the four corners of the lower surface of the buffer plate (18) are respectively installed at the positioning holes (20), and the top end of the insertion rod (21) is fixedly installed on the inner wall of the positioning hole (20).

7. The mining engineering thin coal seam hydraulic support frame base of claim 6, characterized in that: the outer surface of the positioning rod (16) is in sliding connection with the inner wall of the positioning hole (20), the outer surface of the insertion rod (21) is in sliding connection with the inner wall of the insertion hole (17), the buffer plate (18) and the buffer strip (19) are made of vulcanized rubber, and pull handles are fixedly arranged on two sides of the outer surface of the buffer plate (18).