Hoisting equipment for coal mining

Abstract

The utility model discloses hoisting equipment for coal mining. The hoisting equipment comprises a base, a hoisting assembly, a hoisting lifting assembly, a hoisting telescopic assembly, a supporting table, a supporting telescopic assembly and a supporting lifting assembly. In the scheme, lifting of the hoisting assembly relative to the base is achieved through the hoisting lifting assembly, the length of the portion, stretching out of the base, of the hoisting assembly is changed through the hoisting telescopic assembly, the supporting telescopic assembly controls the supporting table to stretch out of the base so as to place the balance weight, and the balancing capacity of the balance weight to the hoisting assembly is enhanced; the load of the balance weight is transmitted to the ground through the supporting lifting assembly, and the possibility that the supporting table or the supporting telescopic assembly is damaged due to pressure bearing is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mining equipment, especially relates to a hoisting equipment for coal mining. BACKGROUND

[0002] At present, the small hoisting equipment for coal mining needs to adjust the length and height of the hoisting structure and increase the hoisting counterweight to avoid the device overturning caused by the over-heavy hook end in the actual use process. UTILITY MODEL CONTENTS

[0003] Therefore, the utility model provides a hoisting equipment for coal mining, which can realize the lifting of the hoisting assembly relative to the base through the hoisting lifting assembly, change the length of the hoisting assembly extending out of the base through the hoisting telescopic assembly, control the extension of the support table out of the base through the support telescopic assembly to place the counterweight, enhance the counterbalance capacity of the counterweight to the hoisting assembly, and make the load of the counterweight transmitted to the ground through the support lifting assembly to reduce the possibility of damage of the support table or the support telescopic assembly under pressure.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A hoisting equipment for coal mining, comprising:

[0006] A base for staying at a first position and providing an installation foundation;

[0007] A hoisting assembly fixed with the base and used for moving a target device from a first height to a second height, wherein the first height and the second height are different;

[0008] A hoisting lifting assembly fixed with the base and the hoisting assembly, used for driving the hoisting assembly to move from a third height to a fourth height, wherein the third height and the fourth height are different;

[0009] A hoisting telescopic assembly fixed with the base and the hoisting assembly, used for driving the hoisting assembly to move from a second position to a third position, wherein the second position and the third position are different;

[0010] A support table fixed with the base and used for providing a counterweight installation foundation;

[0011] A support telescopic assembly fixed with the base and the support table, used for driving the support table to move from a fourth position to a fifth position, wherein the fourth position and the fifth position are different;

[0012] A support lifting assembly fixed with the support table and used for abutting against the first position.

[0013] Preferably, the base comprises a chassis, a traveling wheel fixed to the chassis, and a workbench rotatably connected to the chassis, the lifting assembly and the support table are both fixed to the workbench, the workbench is provided with a support column for abutting against the chassis and supporting the workbench, and the chassis is provided with a ring groove for accommodating the support column.

[0014] Preferably, the base is fixed with a first motor and a gear set fixed to the first motor, and the workbench is fixedly connected to the gear set.

[0015] Preferably, the workbench is fixed with a connecting rod connecting the fourth position and the fifth position, and a lug seat fixed to the lifting assembly is coaxially sleeved on the connecting rod.

[0016] Preferably, the workbench is provided with a T-shaped slide connecting the fourth position and the fifth position, and a sliding block fixed to the lifting assembly is slidingly connected in the T-shaped slide along the length direction of the T-shaped slide.

[0017] Preferably, the lifting assembly comprises a winch fixed to the base, a steel wire wound and fixed to the winch, a lifting hook fixed to the steel wire, and a fixed pulley assembly fixed to the base and used for bearing the steel wire.

[0018] Preferably, the lifting assembly further comprises a limiting ring fixed to the fixed pulley assembly, and the limiting ring is sleeved on the steel wire between the fixed pulley assembly and the lifting hook.

[0019] Preferably, the base is fixed with a supporting leg capable of extending out of the base and abutting against the first position.

[0020] As can be seen from the above technical solutions, the lifting equipment for coal mining provided by the present application realizes the lifting of the lifting assembly relative to the base through the lifting and lifting assembly, changes the length of the lifting assembly extending out of the base through the lifting and telescopic assembly, controls the support table extending out of the base to place the counterweight through the support and telescopic assembly, enhances the counterbalance ability of the counterweight to the lifting assembly, and transmits the load of the counterweight to the ground through the support and lifting assembly, thereby reducing the possibility of damage of the support table or the support and telescopic assembly under pressure. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1is a schematic diagram showing a structure of a hoisting device for coal mining according to an exemplary embodiment;

[0023] Figure 2 is a schematic diagram showing a ring groove position according to an exemplary embodiment;

[0024] Figure 3 is a schematic diagram showing an ear seat position according to an exemplary embodiment;

[0025] Figure 4 is a schematic diagram showing a slider structure according to an exemplary embodiment.

[0026] Reference signs:

[0027] 1, base; 11, workbench; 12, chassis; 121, ring groove; 13, walking wheel; 14, support column; 15, support leg; 16, first motor; 17, gear set; 18, rotating shaft; 2, hoisting assembly; 21, winch; 22, steel wire rope; 23, fixed pulley assembly; 24, limiting ring; 25, lifting hook; 3, hoisting lifting assembly; 31, lifting arm; 32, connecting rod; 4, support telescopic assembly; 41, support table; 42, support arm; 5, hoisting telescopic assembly; 51, mounting seat; 52, lead screw; 53, second motor; 54, connecting rod; 55, ear seat; 56, T-shaped slide; 57, slider; 6, support lifting assembly. DETAILED DESCRIPTION

[0028] The utility model discloses a kind of hoisting equipment for coal mining, can be realized by hoisting lifting assembly lifting assembly relative to the lifting of base, the length of lifting assembly is changed by hoisting telescopic assembly and extended outside base, support table is controlled by support telescopic assembly and extended outside base to place counterweight, enhance the counterbalance ability of counterweight to hoisting assembly, the load of counterweight is transmitted to ground by support lifting assembly, reduce the possibility of support table or support telescopic assembly pressure damage.

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] The exemplary embodiments of the present disclosure provide a kind of hoisting equipment for coal mining, as shown in Figure 1 Figure 1 is a schematic diagram showing a structure of a hoisting device for coal mining according to an exemplary embodiment; Figure 2 ​is a schematic diagram showing the position of the ring groove according to an exemplary embodiment; Figure 3 is a schematic diagram showing the position of the ear seat according to an exemplary embodiment; Figure 4 is a schematic diagram showing the slider structure according to an exemplary embodiment. The following is explained in combination with Figures 1 to 4 .

[0031] The following specific embodiments are described in order to facilitate understanding of the present embodiments, and the present embodiments are not limited to the following specific embodiments.

[0032] Referring to Figure 1 and Figure 2 , an example embodiment of the present disclosure provides a hoisting device for coal mining, the hoisting device for coal mining comprising:

[0033] a base 1 for staying at a first position and providing a mounting base;

[0034] a hoisting assembly 2 fixed with the base 1 and used for hoisting and pulling a target device from a first height to a second height, the first height and the second height being different;

[0035] a hoisting lifting assembly 3 fixed with the base 1 and fixed with the hoisting assembly 2, used for driving the hoisting assembly 2 to move from a third height to a fourth height, the third height and the fourth height being different;

[0036] a hoisting telescopic assembly 5 fixed with the base 1 and fixed with the hoisting assembly 2, used for driving the hoisting assembly 2 to move from a second position to a third position, the second position and the third position being different;

[0037] a support table 41 fixed with the base 1 and used for providing a counterweight mounting base;

[0038] a support telescopic assembly 4 fixed with the base 1 and fixed with the support table 41, used for driving the support table 41 to move from a fourth position to a fifth position, the fourth position and the fifth position being different;

[0039] a support lifting assembly 6 fixed with the support table 41 and used for abutting against the first position.

[0040] Exemplarily, referring to Figure 1 and Figure 3The base 1 comprises a chassis 12, walking wheels 13 fixed to the chassis 12, and a workbench 11 rotatably connected to the chassis 12, the workbench 11 is arranged above the chassis 12 and the rotation axis is vertically arranged, the walking wheels 13 are four and are arranged in an array on the side walls of the chassis 12. The base 1 is fixed with a supporting leg 15 capable of extending out of the base 1 and abutting against a first position, the supporting leg 15 is two and is symmetrically fixed on the two opposite side walls of the chassis 12, the supporting leg 15 is extended downward by hydraulic mode and abuts against the ground at the first position, or is lifted upward to be out of contact with the ground, for example, the supporting leg 15 is a hydraulic cylinder with the piston end vertically arranged downward, and the piston end of the hydraulic cylinder can be arranged as a circular truncated cone with the upper part narrow and the lower part wide.

[0041] The lifting telescopic assembly 5 is fixed to the top surface of the workbench 11 and arranged along the length direction of the workbench 11, the bottom end of the lifting lifting assembly 3 is fixedly connected to the top end of the lifting telescopic assembly 5, and the top end of the lifting lifting assembly 3 is vertically extended upward and fixed with the lifting lifting assembly 3. One end of the lifting assembly 2 is fixed to the lifting lifting assembly 3, and the other end of the lifting assembly 2 extends to the outside of the workbench 11 along the length direction of the workbench 11, and the lifting assembly 2 extends out of the edge of the workbench 11 to form a lifting end for lifting.

[0042] The support telescopic assembly 4 is fixedly connected to the side wall of the workbench 11 and symmetrically arranged on the opposite sides of the workbench 11. The support telescopic assembly 4 is arranged on the side away from the lifting end of the hoisting assembly 2. In the embodiment, the support telescopic assembly 4 can be a cylinder fixedly connected to the side wall of the workbench 11, and the cylinder is arranged in a horizontal posture. The support table 41 is inserted into the workbench 11 from the end surface of the workbench 11 away from the lifting end and slidably connected to the workbench 11 along the length direction of the workbench 11. The side wall of the support table 41 away from the support telescopic assembly 4 is fixedly connected with a support arm 42 arranged horizontally and extending outward from the support table 41. The support arm 42 is arranged perpendicular to the telescopic direction of the support telescopic assembly 4. The telescopic end of the support telescopic assembly 4 is fixedly connected to the support arm 42. When the support telescopic assembly 4 is retracted to the maximum position, part of the support table 41 is still exposed outside the edge of the workbench 11. When the support telescopic assembly 4 is extended to the maximum position, part of the support table 41 is still inserted into the workbench 11. The support lifting assembly 6 is fixedly connected to the bottom surface of the support table 41 and arranged vertically downward. The support lifting assembly 6 can be an oil cylinder with a cylinder fixedly connected to the bottom surface of the support table 41. The piston end of the oil cylinder is arranged vertically downward and can be arranged in a circular table shape with a narrow upper part and a wide lower part. When the support telescopic assembly 4 is retracted to the maximum position, the contour edge of the support lifting assembly 6 is located within the contour edge of the chassis 12. When the support telescopic assembly 4 is extended to the maximum position, the support lifting assembly 6 is completely exposed outside the contour edge of the base 1. When the support telescopic assembly 4 is retracted to the maximum position, the bottom end of the support lifting assembly 6 is located above the top surface of the chassis 12. When the support telescopic assembly 4 is extended to the maximum position, the bottom end of the support lifting assembly 6 is located below the bottom end edge of the traveling wheel 13.

[0043] In the embodiment, the hoisting assembly 2 is lifted relative to the base 1 by the hoisting lifting assembly 3. The length of the hoisting assembly 2 extending out of the base 1 is changed by the hoisting telescopic assembly 5. The support table 41 is controlled to extend out of the base 1 to place the counterweight by the support telescopic assembly 4, so as to enhance the counterbalance ability of the counterweight to the hoisting assembly 2. The load of the counterweight is transmitted to the ground by the support lifting assembly 6, so as to reduce the possibility of damage of the support table 41 or the support telescopic assembly 4 under pressure.

[0044] In the example embodiment of the present disclosure, referring to Figure 1 and Figure 2 , the workbench 11 has a support column 14 for abutting against the chassis 12 and supporting the workbench 11. The chassis 12 is provided with a ring groove 121 for accommodating the support column 14.

[0045] For example, referring to Figure 1 and Figure 2The workbench 11 is a horizontally placed square plate structure. There are four support columns 14 that are fixedly connected to the four sharp corners of the bottom surface of the workbench 11 in an array. The top of the support column 14 is fixedly connected to the workbench 11, and the bottom end extends vertically downward to the chassis 12. The annular groove 121 is opened on the top surface of the chassis 12 and has a circular ring structure. The bottom end of the support column 14 is inserted into the annular groove 121, and the side wall of the support column 14 abuts against the inner side wall of the annular groove 121, and the bottom end face of the support column 14 abuts against the inner bottom wall of the annular groove 121.

[0046] In this embodiment, a first motor 16 and a gear set 17 fixed to the first motor 16 are fixed to the base 1, for example, a reduction gear set 17 consisting of two gear sets 17, one large and one small. The workbench 11 is fixedly connected to the gear set 17. The first motor 16 is fixedly connected to the top surface of the chassis 12 with its output shaft vertically upward. The gear set 17 is fixed to the output shaft of the first motor 16. A vertically arranged rotating shaft 18 is also fixedly connected to the chassis 12 on one side of the first motor 16. The bottom end of the rotating shaft 18 is rotatably connected to the chassis 12, for example, via a bearing, and the top end of the rotating shaft 18 is fixedly connected to the workbench 11. The first motor 16 drives the gears in the gear set 17 to rotate, thereby driving the workbench 11 to rotate relative to the chassis 12.

[0047] In an exemplary embodiment of the present disclosure, referring to Figure 1 and Figure 3 A connecting rod 54 connecting the fourth position and the fifth position is fixed on the workbench 11 , and an ear seat 55 fixed to the lifting assembly 2 is coaxially sleeved on the connecting rod 54 .

[0048] For example, refer to Figure 3 and Figure 4 The lifting and telescopic assembly 5 includes a second motor 53 fixedly connected to the top surface of the workbench 11, a screw 52 coaxially fixedly connected to the output shaft of the second motor 53, and a mounting base 51 threadedly connected to the screw 52. The screw 52 is rotatably connected to the top surface of the workbench 11 through a bearing fixedly connected to the top surface of the workbench 11, and the screw 52 is arranged along the length direction of the workbench 11. There are two connecting rods 54, which are fixedly connected to the top surface of the workbench 11 on both sides of the mounting seat 51. The connecting rods 54 are parallel to the lead screw 52, ​​and a gap is formed between the connecting rod 54 and the top surface of the workbench 11. The ear seats 55 correspond to the connecting rods 54 one by one. The two ear seats 55 are fixedly connected to the two opposite side walls of the mounting seat 51. The ear seats 55 are sleeved with the connecting rods 54, so that the inner side walls of the ear seats 55 abut against the outer side walls of the connecting rods 54 to limit the posture of the mounting seat 51, so that when the lead screw 52 rotates under the drive of the second motor 53, the mounting seat 51 can slide along the length direction of the lead screw 52.

[0049] In the embodiment, the workbench 11 is provided with a T-shaped slide 56 connecting the fourth position and the fifth position, the T-shaped slide 56 has two symmetrical portions distributed below the top surface of the workbench 11, the T-shaped slide 56 is arranged along the length direction of the lead screw 52, a sliding block 57 fixed with the hoisting assembly 2 is slidingly connected in the T-shaped slide 56 along the length direction of the T-shaped slide 56, the shape of the sliding block 57 is matched with the inner profile of the T-shaped slide 56, and the bottom surface of the mounting seat 51 abuts against the top surface of the workbench 11 when the sliding block 57 is located in the T-shaped slide 56.

[0050] In an example embodiment of the present disclosure, referring to Figure 1 , the hoisting assembly 2 comprises a winch 21 fixed with the base 1, a steel wire rope 22 wound and fixed with the winch 21, a lifting hook 25 fixed with the steel wire rope 22, and a fixed pulley assembly 23 fixed with the base 1 and used for bearing the steel wire rope 22.

[0051] For example, referring to Figure 1 , the hoisting and lifting assembly 3 can be a hydraulic cylinder with the cylinder body fixed on the top surface of the mounting seat 51, a horizontally arranged hoisting arm 31 is fixedly connected to the top end of the piston rod of the hydraulic cylinder, one end of the hoisting arm 31 is fixedly connected with the hoisting and lifting assembly 3, and the other end is arranged along the length direction of the lead screw 52 or even outside the edge of the top surface of the workbench 11.

[0052] The winch 21 is fixedly connected to the top surface of the workbench 11 and located at one side of the mounting seat 51, the fixed pulley assembly 23 comprises two fixed pulleys respectively fixedly connected to the two ends of the hoisting arm 31, one end of the steel wire rope 22 is fixed with the winch 21, and the other end passes through the two fixed pulleys in sequence and then vertically drops from the end of the hoisting arm 31 away from the winch 21.

[0053] In the embodiment, the hoisting assembly 2 further comprises a limiting ring 24 fixed with the fixed pulley assembly 23, an L-shaped bent connecting rod 32 is fixedly connected to the limiting ring 24, one end of the connecting rod 32 is fixed to the outer wall of the hoisting arm 31, and the other end of the connecting rod 32 is fixedly connected to the outer wall of the limiting ring 24, the limiting ring 24 is sleeved on the steel wire rope 22 between the fixed pulley assembly 23 and the lifting hook 25, and the end of the steel wire rope 22 below the lifting hook 25 is located below the limiting ring 24.

[0054] The above description of the disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A lifting device for coal mining, characterized in that: include: A base (1) for staying in a first position and providing a mounting base; A lifting assembly (2) is fixed to the base (1) and is used to lift the target device from a first height to a second height, wherein the first height and the second height are different; a hoisting lifting assembly (3), fixed to the base (1) and to the hoisting assembly (2), and used for driving the hoisting assembly (2) to move from a third height to a fourth height, wherein the third height is different from the fourth height; a lifting telescopic assembly (5), fixed to the base (1) and to the lifting assembly (2), and used for driving the lifting assembly (2) to move from a second position to a third position, wherein the second position is different from the third position; A support platform (41) is fixed to the base (1) and is used to provide a foundation for mounting a counterweight; a supporting telescopic assembly (4), fixed to the base (1) and to the supporting platform (41), and used for driving the supporting platform (41) to move from a fourth position to a fifth position, the fourth position being different from the fifth position; A support lifting assembly (6) is fixed to the support platform (41) and is used to abut against the first position.

2. The hoisting equipment for coal mining according to claim 1, characterized in that: The base (1) includes a chassis (12), a walking wheel (13) fixed to the chassis (12), and a workbench (11) rotatably connected to the chassis (12); the hoisting assembly (2) and the support platform (41) are both fixed to the workbench (11); the workbench (11) has a support column (14) for abutting against the chassis (12) and supporting the workbench (11); and the chassis (12) is provided with an annular groove (121) for accommodating the support column (14).

3. The hoisting equipment for coal mining according to claim 2, characterized in that: A first motor (16) and a gear set (17) fixed to the first motor (16) are fixed on the base (1), and the workbench (11) is fixedly connected to the gear set (17).

4. The hoisting equipment for coal mining according to claim 2, characterized in that: A connecting rod (54) connecting the fourth position and the fifth position is fixed on the workbench (11), and an ear seat (55) fixed to the lifting assembly (2) is coaxially sleeved on the connecting rod (54).

5. The hoisting equipment for coal mining according to claim 2, characterized in that: The workbench (11) is provided with a T-shaped slideway (56) connecting the fourth position and the fifth position, and a slider (57) fixed to the hoisting assembly (2) is slidably connected in the T-shaped slideway (56) along its own length direction.

6. The hoisting equipment for coal mining according to claim 1, characterized in that: The hoisting assembly (2) includes a hoist (21) fixed to the base (1), a steel wire rope (22) wound around and fixed to the hoist (21), a hook (25) fixed to the steel wire rope (22), and a fixed pulley assembly (23) fixed to the base (1) and used to carry the steel wire rope (22).

7. The hoisting equipment for coal mining according to claim 6, characterized in that: The hoisting assembly (2) further comprises a limiting ring (24) fixed to the fixed pulley assembly (23), wherein the limiting ring (24) is sleeved on the steel wire rope (22) between the fixed pulley assembly (23) and the hook (25).

8. The hoisting equipment for coal mining according to claim 1, characterized in that: A support leg (15) is fixed on the base (1) and is capable of extending out of the base (1) and abutting against the first position.

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