Coal mining hydraulic support pushing structure

Abstract

The utility model relates to a coal mining hydraulic support pushing structure, which belongs to the technical field of coal mining machinery and comprises a bottom plate, a sliding pushing mechanism is arranged on the bottom plate and comprises a bottom cavity fixedly mounted on the upper surface of the bottom plate, a sliding rod is slidably mounted in the bottom cavity, and two ends of the sliding rod extend to the outer surface of the bottom cavity. And a connecting ring is fixedly installed on the surface of the sliding rod, two motors are fixedly installed in the bottom cavity, and rotating shafts are fixedly installed at the output ends of the motors. According to the coal mining hydraulic support pushing structure, a motor, a steel wire rope and a sliding rod fixedly connected with the steel wire rope are arranged in a bottom cavity, a connecting plate is arranged on the sliding rod, a mounting plate is arranged on the connecting plate, and a hydraulic support mounting base is fixedly mounted on the surface of the mounting plate; during use, the hydraulic support mounting base can be pulled to move on the bottom cavity through cooperation of the two motors and the steel wire rope, and then the hydraulic support can be rapidly withdrawn.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining machinery technical field, concretely is a kind of coal mining hydraulic support push structure. BACKGROUND

[0002] Hydraulic support push mechanism is a kind of supporting equipment commonly used in coal mine, tunnel and other underground engineering, mainly used for supporting and protecting working face, ensure the safety of operating personnel, its main function is to realize the push and adjustment of support through hydraulic system, to adapt to different working environment and geological conditions.

[0003] The hydraulic support push mechanism disclosed in publication No. CN220815710U can quickly slide the base on the bottom rod, facilitate the support to be withdrawn, and improve the stability of the equipment. The hydraulic support push mechanism comprises a base, a bottom rod and a connecting assembly. The base is movably installed on the bottom rod. The connecting assembly is installed on the left side wall of the bottom rod. The hydraulic support push mechanism further comprises a push assembly, a supporting assembly and a moving assembly. The two ends of the push assembly are respectively connected to the base and the end of the bottom rod away from the base. The push assembly comprises a fixed plate, a fixed seat, a connecting block, a push hydraulic cylinder, a push seat and a mounting head. The supporting assembly is installed on the side wall of the base. The supporting assembly comprises a connecting seat, two mounting seats, two telescopic oil cylinders and two supporting blocks. The moving assembly is installed on the inner bottom end of the base.

[0004] The above-mentioned patent improves the shortcomings of the prior art that the base is not convenient to quickly slide during the hydraulic support pull-out process, which restricts the quick withdrawal of the hydraulic support and has certain safety hazards. The present application provides another embodiment to solve the problems in the above-mentioned patent. UTILITY MODEL CONTENTS

[0005] In view of the shortcomings of the prior art, the utility model provides a coal mining hydraulic support push structure, which has the advantages of convenient quick movement and withdrawal, solves the problem of the base not being convenient to quickly slide during the hydraulic support pull-out process in the prior art, which restricts the quick withdrawal of the hydraulic support and has certain safety hazards.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coal mining hydraulic support push structure, comprising a bottom plate, wherein a sliding push mechanism is arranged on the bottom plate.

[0007] The sliding push mechanism comprises a bottom cavity fixedly installed on the upper surface of the bottom plate, a sliding rod with two ends extending to the outer surface of the bottom cavity slidably installed in the bottom cavity, a connecting ring fixedly installed on the surface of the sliding rod, two motors fixedly installed in the bottom cavity, a rotating shaft fixedly installed at the output end of the motor, a winding roller fixedly installed on the surface of the rotating shaft, a steel wire rope fixedly installed on the surface of the winding roller, a connecting plate fixedly installed at both ends of the sliding rod, an installation plate fixedly installed between the opposite surfaces of the two connecting plates, a hydraulic support mounting seat fixedly installed on the upper surface of the installation plate, and a moving pulley fixedly installed on the lower surface of the installation plate.

[0008] Further, two guide rail plates are fixedly installed in the bottom cavity, a guide rail hole is formed in the surface of the guide rail plate, and a guide wheel is slidably installed in the guide rail hole.

[0009] Further, strip-shaped holes are formed in the opposite surfaces of the bottom cavity, the sliding rod is located in the strip-shaped holes, and the outer surface of the sliding rod is in sliding contact with the inner side surface of the strip-shaped holes.

[0010] Further, the number of the moving pulleys is plural, the plural moving pulleys are uniformly distributed and installed on the lower surface of the installation plate, and the moving pulleys are in contact with the upper surface of the bottom cavity.

[0011] Further, the rotating shaft is rotatably connected with the surface of the bottom cavity.

[0012] Further, the steel wire rope is fixedly connected with the connecting ring.

[0013] Compared with the prior art, the technical scheme has the following beneficial effects:

[0014] The coal mining hydraulic support push structure is provided with a motor and a steel wire rope in the bottom cavity, a sliding rod fixedly connected with the steel wire rope is arranged on the sliding rod, a connecting plate is arranged on the sliding rod, an installation plate is arranged on the connecting plate, a hydraulic support mounting seat is fixedly installed on the surface of the installation plate, and the hydraulic support mounting seat can be pulled to move on the bottom cavity by the cooperation of the two motors and the steel wire rope during use, so that the quick withdrawal of the hydraulic support is realized, the problem that the base is not convenient to quickly slide during the pulling of the hydraulic support in the prior art is solved, the quick withdrawal of the hydraulic support is restricted, and a certain safety hazard is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is a bottom cavity inside structure schematic view of the utility model;

[0017] Fig. 3 It is a connecting plate schematic view of the utility model;

[0018] Fig. 4 The utility model structural guide rail plate schematic view.

[0019] In the drawing: 1, bottom plate; 2, bottom cavity; 3, sliding rod; 4, connecting ring; 5, motor; 6, rotating shaft; 7, winding roller; 8, steel wire rope; 9, connecting plate; 10, mounting plate; 11, hydraulic support mounting seat; 12, moving pulley; 13, guide rail plate; 14, guide rail hole; 15, guide wheel; 16, strip-shaped hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figs. 1 to 4 In the embodiment, the hydraulic support pushing structure for coal mining includes a bottom plate 1, a sliding pushing mechanism is arranged on the bottom plate 1, the sliding pushing mechanism includes a bottom cavity 2 fixedly installed on the upper surface of the bottom plate 1, a sliding rod 3 with both ends extending to the outer surface of the bottom cavity 2 is slidingly installed in the bottom cavity 2, a connecting ring 4 is fixedly installed on the surface of the sliding rod 3, two motors 5 are fixedly installed in the bottom cavity 2, a rotating shaft 6 is fixedly installed at the output end of the motor 5, a winding roller 7 is fixedly installed on the surface of the rotating shaft 6, a steel wire rope 8 is fixedly installed on the surface of the winding roller 7, a connecting plate 9 is fixedly installed at both ends of the sliding rod 3, a mounting plate 10 is fixedly installed between the opposite side surfaces of the two connecting plates 9, a hydraulic support mounting seat 11 is fixedly installed on the upper surface of the mounting plate 10, and a moving pulley 12 is fixedly installed on the lower surface of the mounting plate 10.

[0022] Two guide rail plates 13 are fixedly installed in the bottom cavity 2, a guide rail hole 14 is arranged on the surface of the guide rail plate 13, a guide wheel 15 is slidingly installed in the guide rail hole 14, the sliding rod 3 penetrates through the guide wheel 15 and is fixedly connected with the guide wheel 15, strip-shaped holes 16 are arranged on the opposite side surfaces of the bottom cavity 2, the sliding rod 3 is located in the strip-shaped hole 16, and the sliding rod 3 is in sliding contact between the outer surface and the inner side surface of the strip-shaped hole 16.

[0023] The number of the moving pulleys 12 is multiple, the multiple moving pulleys 12 are evenly distributed and installed on the lower surface of the mounting plate 10, the moving pulley 12 is in contact with the upper surface of the bottom cavity 2, the rotating shaft 6 is rotationally connected between the surface of the bottom cavity 2, and the steel wire rope 8 is fixedly connected with the connecting ring 4.

[0024] Need to explain, the hydraulic support mounting seat 11 upper surface of the embodiment is provided with installation groove, convenient for installing hydraulic support on the hydraulic support mounting seat 11.

[0025] The working principle of the above embodiment is:

[0026] In use, the hydraulic support is installed on the hydraulic support mounting seat 11, and the bottom plate 1 and the bottom cavity 2 are arranged at the specified position, when the hydraulic support needs to be moved, the steel wire rope 8 is wound by the motor 5 in the corresponding direction to drive the rotating shaft 6 and the winding roller 7, the steel wire rope 8 is wound and the sliding rod 3 is moved in the bottom cavity 2, the sliding rod 3 is moved and the connecting plate 9, the mounting plate 10 and the hydraulic support mounting seat 11 are moved, and the movement of the hydraulic support can be realized, the guide wheel 15 moves in the guide rail hole 14, the stability of the sliding rod 3 can be improved when moving, and the moving pulley 12 moves on the upper surface of the bottom cavity 2, the smoothness of the mounting plate 10 and the hydraulic support mounting seat 11 can be improved when moving.

[0027] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hydraulic support advancing structure for coal mining, comprising a base plate (1), characterized in that: The bottom plate (1) is provided with a sliding push mechanism; The sliding push mechanism comprises a bottom cavity (2) fixedly installed on the upper surface of the bottom plate (1), two sliding rods (3) slidably installed in the bottom cavity (2) and extending out of the outer surface of the bottom cavity (2), a connecting ring (4) fixedly installed on the surface of the sliding rod (3), two motors (5) fixedly installed in the bottom cavity (2), a rotating shaft (6) fixedly installed on the output end of the motor (5), a winding roller (7) fixedly installed on the surface of the rotating shaft (6), a steel wire rope (8) fixedly installed on the surface of the winding roller (7), a connecting plate (9) fixedly installed on both ends of the sliding rod (3), an installation plate (10) fixedly installed between the opposite surfaces of the two connecting plates (9), a hydraulic support mounting seat (11) fixedly installed on the upper surface of the installation plate (10), and a moving pulley (12) fixedly installed on the lower surface of the installation plate (10).

2. The hydraulic support advancing structure for coal mining according to claim 1, characterized in that: The bottom cavity (2) is fixedly installed with two guide rail plates (13), the guide rail plates (13) are provided with guide rail holes (14) on the surfaces, and the guide rail holes (14) are slidably installed with guide wheels (15).

3. The hydraulic support advancing structure for coal mining according to claim 1, characterized in that: The opposite surfaces of the bottom cavity (2) are both provided with strip-shaped holes (16), the sliding rod (3) is located in the strip-shaped hole (16), and the outer surface of the sliding rod (3) is in sliding contact with the inner side surface of the strip-shaped hole (16).

4. The hydraulic support advancing structure for coal mining according to claim 1, characterized in that: The number of the moving pulleys (12) is multiple, the multiple moving pulleys (12) are uniformly distributed on the lower surface of the installation plate (10), and the moving pulleys (12) are in contact with the upper surface of the bottom cavity (2).

5. The hydraulic support advancing structure for coal mining according to claim 1, characterized in that: The rotating shaft (6) is rotatably connected with the surface of the bottom cavity (2).

6. The hydraulic support advancing structure for coal mining according to claim 1, characterized in that: The steel wire rope (8) is fixedly connected with the connecting ring (4).

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