Foot lifting device for thin coal seam hydraulic support

Abstract

The utility model discloses a foot lifting device for a thin seam hydraulic support, which comprises a horizontal frame, a horizontal guide rail is fixedly connected to the side inner wall of the horizontal frame, the horizontal guide rail is distributed on the side inner wall of the horizontal frame in a surrounding manner, a first bidirectional motor is fixedly connected to the inside of the horizontal guide rail, and a second bidirectional motor is fixedly connected to the outside of the horizontal guide rail. The first two-way motor is located at the end, close to the corner of the horizontal frame, of the horizontal guide rail, the output end of the first two-way motor is fixedly connected with a horizontal screw rod, the horizontal screw rod is in threaded connection with a horizontal sliding block, and the horizontal sliding block is located in the horizontal guide rail; the lifting mechanism is composed of the horizontal guide rail, the lifting guide rail, the bidirectional motor, the horizontal screw, the vertical screw, the horizontal sliding block, the lifting sliding block, the fixing block, the steel wire rope and the hook, the hydraulic support can be lifted for foot lifting, the number of hanging positions is large, the stability of the foot lifting process is facilitated, the hanging horizontal direction can be adjusted to adapt to different hydraulic supports, and the use is convenient. And the adaptability of the device is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mineral exploitation technical field, especially relate to a foot lifting device for thin coal seam hydraulic support. BACKGROUND

[0002] The foot lifting device of the existing thin coal seam hydraulic support is few in the lifting point of the hydraulic support when lifting the foot, and the point cannot be moved and adjusted. A foot lifting device for thin coal seam hydraulic support is disclosed in Chinese patent, the application number of which is CN201220204632.6, and the device is simple, flexible, convenient and not easy to damage, can be used at any required position at any time, greatly improves the safety factor of foot lifting work, solves the problem that various thin coal seam hydraulic supports cannot lift the foot in the underground, effectively improves the moving speed of the hydraulic support, greatly reduces the labor intensity, realizes safe and efficient production, and can be popularized to the thin coal seam working face of fully mechanized mining in small and medium-sized mines. However, the foot lifting device has few lifting points, lacks the function of moving and adjusting the lifting points, is not conducive to stable foot lifting, and can cause insufficient adaptability of the device. SUMMARY

[0003] The utility model discloses a foot lifting device for thin coal seam hydraulic support, which comprises a lifting mechanism composed of a horizontal guide rail, a lifting guide rail, a bidirectional motor, a horizontal screw rod, a vertical screw rod, a horizontal sliding block, a lifting sliding block, a fixed block, a steel wire rope and a hook. The lifting mechanism can lift the hydraulic support for foot lifting, and has multiple hanging positions, which is conducive to the stability of the foot lifting process. The horizontal position of the hanging can be adjusted to adapt to different hydraulic supports, thereby enhancing the adaptability of the device. A damping type moving structure composed of a U-shaped roller frame, a damper, a shock absorbing spring, a supporting block, a limiting sliding groove and a limiting sliding rod is used to facilitate the movement of the hydraulic support, prevent excessive vibration of the device and the hydraulic support, and improve the protection.

[0004] The utility model discloses still provide with above-mentioned one kind for thin coal seam hydraulic support's foot lifting device, it is including: horizontal frame, the side inner wall fixedly connected with horizontal guide rail of horizontal frame, the horizontal guide rail is distributed on the side inner wall of horizontal frame, the inside fixedly connected with first bidirectional motor of horizontal guide rail, first bidirectional motor is located in the end of the corner of horizontal guide rail close to horizontal frame, the output fixedly connected with horizontal screw rod of first bidirectional motor, horizontal screw rod is connected with horizontal sliding block, and horizontal sliding block is located in the inside of horizontal guide rail, lifting guide rail, lifting guide rail is fixedly connected in the front surface of horizontal sliding block, the inside fixedly connected with second bidirectional motor of lifting guide rail, second bidirectional motor is located in the upper end of lifting guide rail, the output fixedly connected with vertical screw rod of second bidirectional motor, vertical screw rod is connected with lifting sliding block, and lifting sliding block is located in the inside of lifting guide rail, the front surface fixedly connected with fixed block of lifting sliding block, the lower surface fixedly connected with steel wire rope of fixed block, and the lower end fixedly connected with hook of steel wire rope.

[0005] According to the foot lifting device for thin coal seam hydraulic support, the side surface of the horizontal frame is fixedly connected with the mounting block, the mounting block is located at the four corners of the horizontal frame, and the lower surface of the mounting block is fixedly connected with the shock-absorbing wheel.

[0006] According to the foot lifting device for thin coal seam hydraulic support, the shock-absorbing wheel comprises a U-shaped trundle frame, a damper, a shock-absorbing spring and a supporting block, limit sliding grooves are arranged on the left and right inner sides of the U-shaped trundle frame, the damper is fixedly connected to the lower inner wall of the U-shaped trundle frame, the shock-absorbing spring is fixedly connected to the upper surface of the damper, the supporting block is fixedly connected to the upper end of the shock-absorbing spring, limit sliding rods are fixedly connected to the left and right side surfaces of the supporting block, and the limit sliding rods are in sliding connection with the limit sliding grooves.

[0007] According to the foot lifting device for thin coal seam hydraulic support, the number of the horizontal guide rails is eight, and the adjacent two horizontal guide rails abut against each other.

[0008] According to the foot lifting device for thin coal seam hydraulic support, horizontal sliding grooves are arranged on the upper and lower inner walls of the horizontal guide rails.

[0009] According to the foot lifting device for thin coal seam hydraulic support, horizontal sliding rods are fixedly connected to the upper and lower surfaces of the horizontal sliding blocks and slide in the horizontal sliding grooves.

[0010] The utility model relates to a lift foot device for thin coal seam hydraulic support, the left and right side inner wall of lift guide rail all is provided with vertical sliding slot.

[0011] The utility model relates to a lift foot device for thin coal seam hydraulic support, the left and right side surface of lift sliding block all are fixedly connected with vertical slide pole, and the vertical slide pole slides in vertical sliding slot, be favorable to the stable lifting of lift sliding block.

[0012] Beneficial effect:

[0013] 1, compared with prior art, the lift foot device for thin coal seam hydraulic support, through horizontal guide rail, lift guide rail, bidirectional motor, horizontal screw rod, vertical screw rod, horizontal sliding block, lift sliding block, fixed block, steel wire rope and hook constitute hoist mechanism, can hoist hydraulic support to carry out lift foot, and the position of hanging is more, is favorable to the stability of lift foot process, can adjust the horizontal position of hanging to adapt to different hydraulic support, strengthens the adaptability of device,

[0014] 2, compared with prior art, the lift foot device for thin coal seam hydraulic support, through U type trundle frame, damper, shock absorbing spring, support block, limit sliding slot and limit slide pole constitute shock absorbing type movement structure, conveniently move hydraulic support, and can prevent the excessive vibration of device and hydraulic support, improve the protectability. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further explained below in combination with the drawings and examples;

[0016] Figure 1 It is whole structure schematic diagram for the utility model a lift foot device for thin coal seam hydraulic support;

[0017] Figure 2 It is overhead structure schematic diagram for the utility model a lift foot device for thin coal seam hydraulic support;

[0018] Figure 3 It is longitudinal stereoscopic section structure schematic diagram for the utility model a lift foot device for thin coal seam hydraulic support;

[0019] Figure 4 It is transverse stereoscopic section structure schematic diagram for the utility model a lift foot device for thin coal seam hydraulic support.

[0020] Legend:

[0021] 1, horizontal frame; 2, first bidirectional motor; 3, horizontal guide rail; 4, horizontal screw rod; 5, horizontal sliding block; 6, horizontal sliding rod; 7, horizontal sliding groove; 8, vertical sliding groove; 9, vertical sliding rod; 10, lifting guide rail; 11, lifting sliding block; 12, fixed block; 13, steel wire rope; 14, hook; 15, support block; 16, shock absorbing spring; 17, damper; 18, U-shaped caster frame; 19, limiting sliding groove; 20, limiting sliding rod; 21, mounting block; 22, vertical screw rod; 23, second bidirectional motor; 24, shock absorbing wheel. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as limiting the protection scope of the utility model.

[0023] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the utility model embodiment a kind of for thin coal seam hydraulic support's lifting device, it includes horizontal frame 1, the side surface of horizontal frame 1 is fixedly connected with mounting block 21, mounting block 21 is located at the four corners of horizontal frame 1, the lower surface of mounting block 21 is fixedly connected with shock absorbing wheel 24, shock absorbing wheel 24 includes U-shaped caster frame 18, damper 17, shock absorbing spring 16, support block 15, limiting sliding groove 19 is arranged in the left and right sides of U-shaped caster frame 18, damper 17 is fixedly connected in the lower inner wall of U-shaped caster frame 18, shock absorbing spring 16 is fixedly connected on the upper surface of damper 17, support block 15 is fixedly connected on the upper end of shock absorbing spring 16, the left and right side surfaces of support block 15 are fixedly connected with limiting sliding rod 20, limiting sliding rod 20 is slidably connected with limiting sliding groove 19, the side inner wall of horizontal frame 1 is fixedly connected with horizontal guide rail 3, horizontal guide rail 3 is distributed around on the side inner wall of horizontal frame 1, the number of horizontal guide rail 3 is eight, two adjacent horizontal guide rails 3 abut each other, the upper and lower side inner walls of horizontal guide rail 3 are provided with horizontal sliding groove 7, the inside of horizontal guide rail 3 is fixedly connected with first bidirectional motor 2, first bidirectional motor 2 is located at one end of horizontal guide rail 3 close to the corner of horizontal frame 1, the output end of first bidirectional motor 2 is fixedly connected with horizontal screw rod 4, horizontal screw rod 4 is threadedly connected with horizontal sliding block 5, horizontal sliding block 5 is located in the inside of horizontal guide rail 3, the upper and lower surfaces of horizontal sliding block 5 are fixedly connected with horizontal sliding rod 6, horizontal sliding rod 6 slides in horizontal sliding groove 7;

[0024] Specifically, when adjusting the hanging point, the first bidirectional motor 2 in the horizontal guide rail 3 drives the horizontal screw rod 4 to rotate forward and backward, the horizontal screw rod 4 drives the horizontal sliding block 5 to move back and forth, the horizontal sliding block 5 drives the steel wire rope 13 to move back and forth, and then drives the hook 14 to move back and forth, after determining the hanging position of the hook 14, the hook 14 is hung on the hydraulic support for lifting.

[0025] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the lifting guide rail 10 is fixedly connected to the front surface of the horizontal sliding block 5, the left and right side inner walls of the lifting guide rail 10 are both provided with a vertical sliding groove 8, the inside of the lifting guide rail 10 is fixedly connected with a second bidirectional motor 23, the second bidirectional motor 23 is located at the upper end of the lifting guide rail 10, the output end of the second bidirectional motor 23 is fixedly connected with a vertical screw rod 22, the vertical screw rod 22 is threadedly connected with a lifting sliding block 11, the lifting sliding block 11 is located in the inside of the lifting guide rail 10, the left and right side surfaces of the lifting sliding block 11 are both fixedly connected with a vertical sliding rod 9, the vertical sliding rod 9 slides in the vertical sliding groove 8, the front surface of the lifting sliding block 11 is fixedly connected with a fixed block 12, the lower surface of the fixed block 12 is fixedly connected with a steel wire rope 13, and the lower end of the steel wire rope 13 is fixedly connected with a hook 14.

[0026] Specifically, during the lifting process, the second bidirectional motor 23 in the lifting guide rail 10 drives the vertical screw rod 22 to rotate forward, the vertical screw rod 22 drives the lifting sliding block 11 to move upward, the lifting sliding block 11 drives the steel wire rope 13 to move upward, the steel wire rope 13 drives the hook 14 to move upward, the hook 14 drives the hydraulic support to move upward to lift the hydraulic support, then the position of the device is moved through the damping wheel 24 to move the hydraulic support, after determining the placement position, the lifting guide rail 10 drives the hook 14 to move downward to place the hydraulic support.

[0027] Working principle: the lifting device for the thin coal seam hydraulic support is used to lift the hydraulic support, the horizontal guide rail 3 drives the hook 14 to move horizontally to adjust the hanging position, the hook 14 is hung on the hydraulic support, the lifting guide rail 10 drives the hook 14 to move upward to lift the hydraulic support, then the device is moved through the damping wheel 24, and the hydraulic support can be moved.

[0028] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A lifting device for a hydraulic support for thin coal seams, characterized in that, The utility model relates to a horizontal frame (1) is provided with horizontal guide rail (3) on the side inner wall, and the inside fixed connection of horizontal guide rail (3) is provided with first bidirectional motor (2), and the output of first bidirectional motor (2) is fixedly connected with horizontal screw rod (4), and horizontal screw rod (4) is connected with horizontal sliding block (5), and horizontal sliding block (5) is located in the inside of horizontal guide rail (3), and the front surface of horizontal sliding block (5) is fixedly connected with lifting guide rail (10), and the inside fixed connection of lifting guide rail (10) is provided with second bidirectional motor (23), and the output of second bidirectional motor (23) is fixedly connected with vertical screw rod (22), and vertical screw rod (22) is connected with lifting sliding block (11), and lifting sliding block (11) is located in the inside of lifting guide rail (10), and the front surface of lifting sliding block (11) is fixedly connected with fixed block (12), and the lower surface of fixed block (12) is fixedly connected with steel wire rope (13), and the lower end of steel wire rope (13) is fixedly connected with hook (14). The side surface of horizontal frame (1) is fixedly connected with mounting block (21), the mounting block (21) is located at the four corners of horizontal frame (1), and the lower surface of mounting block (21) is fixedly connected with shock absorbing wheel (24). The shock absorbing wheel (24) comprises a U-shaped trolley frame (18), a damper (17), a shock absorbing spring (16) and a support block (15), the left and right inner sides of the U-shaped trolley frame (18) are provided with limiting sliding grooves (19), the damper (17) is fixedly connected to the lower inner wall of the U-shaped trolley frame (18), the shock absorbing spring (16) is fixedly connected to the upper surface of the damper (17), the support block (15) is fixedly connected to the upper end of the shock absorbing spring (16), the left and right side surfaces of the support block (15) are fixedly connected with limiting sliding rods (20), and the limiting sliding rods (20) are in sliding connection with the limiting sliding grooves (19).

2. The foot lifting device for a hydraulic support of thin coal seam according to claim 1, characterized in that, The number of horizontal guide rails (3) is eight, and the adjacent two horizontal guide rails (3) abut against each other.

3. The foot lifting device for a hydraulic support of thin coal seams according to claim 2, characterized in that, The upper and lower inner walls of the horizontal guide rail (3) are provided with horizontal sliding grooves (7).

4. The foot lifting device for hydraulic support of thin coal seam according to claim 1, characterized in that, The upper and lower surfaces of the horizontal sliding block (5) are fixedly connected with horizontal sliding rods (6), and the horizontal sliding rods (6) slide in the horizontal sliding grooves (7).

5. The foot lifting device for hydraulic support of thin coal seam according to claim 1, characterized in that, The left and right inner walls of the lifting guide rail (10) are provided with vertical sliding grooves (8).

6. The foot lifting device for hydraulic support of thin coal seam according to claim 1, characterized in that, The left and right side surfaces of the lifting sliding block (11) are fixedly connected with vertical sliding rods (9), and the vertical sliding rods (9) slide in the vertical sliding grooves (8).

7. The foot lifting device for hydraulic support of thin coal seam according to claim 1, characterized in that, ​ 8. The foot lifting device for hydraulic support of thin coal seam according to claim 1, characterized in that, ​

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