A lifting device special for electromechanical installation of a coal mine shaft

Abstract

The present application relates to the technical field of coal mine electromechanical installation, and particularly relates to a lifting device special for coal mine electromechanical installation, which is simple in structure, can increase the stroke of the lifting platform without changing the length of the oil cylinder, and can adjust the position of the winch according to the position of the equipment after the inclined support is fixed, so that the use is more convenient and the installation efficiency of the electromechanical equipment is improved; comprising: a base, the base is vertically fixed with an oil cylinder, the top of the base is fixed with a support plate through a support, the support plate is provided with a through hole for the oil cylinder to pass through, the two sides of the support plate are both provided with one end of a connecting rod assembly one, the other end of the connecting rod assembly one is provided with a lifting plate, and the top of the lifting plate is slidably provided with a winch; the output end of the oil cylinder is fixed with a driving plate, the driving plate is used for driving the connecting rod assembly one to stretch out and draw back; the two sides of the base are both provided with a supporting mechanism.

Description

Technical Field

[0001] This invention relates to the technical field of electromechanical installation in coal mines, and in particular to a lifting device specifically designed for electromechanical installation in coal mines. Background Technology

[0002] A coal mine shaft is a general term encompassing the shafts, chambers, equipment, surface buildings, and structures that form an underground coal mine production system. Sometimes, inclined shafts, vertical shafts, and adits used in underground mine development are also referred to as coal mine shafts. Determining the size of the mining area, the production capacity, and the service life of each coal mine is one of the key issues that must be addressed in the design of the coal mine itself.

[0003] When installing electromechanical equipment in coal mines, lifting devices are required. In existing technology, some lifting devices have a structure in which the hydraulic cylinder is directly connected to the lifting platform, and the lifting of the platform is controlled by the extension and retraction of the hydraulic cylinder piston rod. This type of lifting device has the following shortcomings: the stroke of the lifting platform is the same as the stroke of the hydraulic cylinder. If the stroke of the lifting platform is to be increased, the length of the hydraulic cylinder must be increased, which leads to a significant increase in the space occupied by the device. Furthermore, after the lifting device is fixed in position, if equipment is to be lifted from the side of the winch, the diagonal bracing used for support must be retracted first, and then the winch must be moved to the position directly opposite the equipment. This causes inconvenience to use and affects the efficiency of equipment installation. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the present invention provides a lifting device for special installation of electromechanical equipment in coal mines. It has a simple structure, can increase the stroke of the lifting platform without changing the length of the hydraulic cylinder, and after the diagonal brace is fixed, the position of the winch can be adjusted according to the position of the equipment, making it more convenient to use and improving the installation efficiency of electromechanical equipment.

[0005] The present invention provides a lifting device specifically for electromechanical installation in coal mines, comprising:

[0006] The base has a vertically fixed oil cylinder, and a support plate is fixed to the top of the base by a bracket. The support plate has a through hole for the oil cylinder to pass through. Both sides of the support plate are provided with one end of the first connecting rod assembly, and the other end of the first connecting rod assembly is provided with a lifting plate. A winch is slidably mounted on the top of the lifting plate.

[0007] A drive plate is fixed to the output end of the hydraulic cylinder. The drive plate is used to drive the connecting rod assembly to extend and retract.

[0008] Support mechanisms are provided on both sides of the base.

[0009] The present invention is further improved in that the linkage assembly includes one end of a drive rod 1 rotatably connected to both ends of the same side of the support plate, the other end of each drive rod 1 rotatably connected to one end of a drive rod 2, and the middle parts of the two drive rod 2 are connected by a pin.

[0010] The other end of each drive rod two is rotatably connected to one end of drive rod three, and the other end of drive rod three is rotatably connected to the lifting plate;

[0011] The pin is rotatably connected to the drive plate.

[0012] The invention is further improved in that a chain is mounted on the top of the lifting plate via several sprockets, and a motor is mounted on the bottom of the lifting plate to drive the sprockets to rotate.

[0013] A circular track is fixed to the top of the lifting plate, and an adjusting seat is slidably connected to the circular track. The winch is installed on the top of the adjusting seat, and the adjusting seat is connected to the chain.

[0014] The present invention is further improved in that the support mechanism includes several fixed plates fixedly connected to the base, and each fixed plate is rotatably mounted with a threaded tube one, the threaded tube one is threadedly connected to a screw rod, the bottom end of the screw rod is threadedly connected to a threaded tube two, and the bottom end of the threaded tube two is fixed with a support seat.

[0015] A splined shaft is fixed to the outside of the threaded tube, a splined sleeve slides on the outside of the splined shaft, a gear is fixedly connected to the outer wall of the splined sleeve, and a lifting mechanism is also included for driving the gear to lift.

[0016] Each fixed plate is also rotatably mounted with a second gear that meshes with the first gear. At the same time, the axle of the second gear is also fixedly connected to a second sprocket, and the second sprocket is fitted with a second chain.

[0017] The invention is further improved in that the lifting mechanism includes a transition tube fixedly connected to the bottom end of the spline shaft, and a support tube is rotatably connected to the outside of the transition tube;

[0018] The lifting mechanism also includes guide rails fixed on both sides of the fixed plate. Each guide rail has a sliding slider, which is rotatably connected to one end of the inclined rod, and the other end of the inclined rod is rotatably connected to the support tube.

[0019] The invention is further improved by adding a limiting plate one fixed to the top of the guide rail and a limiting plate two fixed to the fixing plate, and the slider is fixedly connected to a push plate.

[0020] The present invention is further improved in that a second connecting rod assembly is provided on both sides of the drive plate. The second connecting rod assembly includes a plurality of connecting rods that are rotatably connected in sequence. One end of the bottom connecting rod is rotatably connected to the drive plate, and one end of the top connecting rod is rotatably connected to the lifting plate.

[0021] The invention is further improved by installing several casters on the bottom of the base.

[0022] Compared with the prior art, the beneficial effects of this invention are as follows: During use, a support mechanism is used to support the base, preventing swaying during lifting and improving the stability of lifting. Then, the position of the winch is adjusted according to the equipment position to lift the equipment. The position of the winch can be adjusted according to the position of the equipment being lifted, thereby reducing the need for base position adjustment and improving installation efficiency. When it is necessary to adjust the height of the lifting plate, the hydraulic cylinder is operated to extend the piston rod, causing the drive plate to move vertically upward. The upward movement of the drive plate drives the first connecting rod assembly to move, causing the lifting plate to move upward, thereby adjusting the height of the winch. Furthermore, under the action of the first connecting rod assembly, the stroke of the lifting plate is greater than the stroke of the hydraulic cylinder. Without changing the length of the hydraulic cylinder, the stroke of the lifting platform can be increased. Under the same stroke, the volume of this device is saved, making it more practical. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of the present invention;

[0024] Figure 2 yes Figure 1 A three-dimensional image;

[0025] Figure 3 yes Figure 2 Enlarged view of part A in the middle;

[0026] Figure 4 This is a structural schematic diagram of the base, oil cylinder, connecting rod assembly one, connecting rod assembly two, lifting plate and other components of the present invention from a bottom view angle;

[0027] Figure 5 yes Figure 4 A structural diagram from the left-hand perspective;

[0028] Figure 6 It is a cross-sectional view of threaded pipe 1, splined shaft, splined sleeve, gear 1, support pipe and transition pipe;

[0029] The attached diagram shows the following components: 1. Base; 2. Hydraulic cylinder; 3. Bracket; 4. Support plate; 5. Lifting plate; 6. Winch; 7. Drive plate; 8. Drive rod one; 9. Drive rod two; 10. Pin; 11. Drive rod three; 12. Sprocket one; 13. Chain one; 14. Motor; 15. Circular track; 16. Adjusting seat; 17. Fixing plate; 18. Threaded tube one; 19. Lead screw; 20. Optical shaft; 21. Threaded tube two; 22. Support seat; 23. Splined shaft; 24. Splined sleeve; 25. Gear one; 26. Gear two; 27. Sprocket two; 28. Chain two; 29. ​​Transition tube; 30. Support tube; 31. Guide rail; 32. Slider; 33. Diagonal rod; 34. Limiting plate one; 35. Limiting plate two; 36. Push plate; 37. Connecting rod. Detailed Implementation

[0030] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

[0031] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0032] like Figures 1 to 6 As shown, a lifting device for electromechanical installation in coal mines according to the present invention includes:

[0033] The base 1 has a vertically fixed oil cylinder 2. The top of the base 1 is fixed with a support plate 4 via a bracket 3. Both sides of the support plate 4 are provided with one end of a connecting rod assembly. The other end of the connecting rod assembly is provided with a lifting plate 5. A winch 6 is slidably mounted on the top of the lifting plate 5.

[0034] The output end of the hydraulic cylinder 2 is fixed with a drive plate 7, which is used to drive the connecting rod assembly 1 to extend and retract.

[0035] Support mechanisms are provided on both sides of the base 1;

[0036] In this embodiment, during use, a support mechanism is used to support the base 1 to prevent swaying during lifting and improve the stability of lifting. Then, the position of the winch 6 is adjusted according to the position of the equipment to lift the equipment. The position of the winch 6 can be adjusted according to the position of the equipment being lifted, thereby reducing the need to adjust the position of the base 1 and improving installation efficiency. When it is necessary to adjust the height of the lifting plate 5, the piston rod of the hydraulic cylinder 2 is extended, causing the drive plate 7 to move vertically upward. The upward movement of the drive plate 7 drives the first connecting rod assembly to move, and the movement of the first connecting rod assembly causes the lifting plate 5 to move upward, thereby adjusting the height of the winch 6. Under the action of the first connecting rod assembly, the stroke of the lifting plate 5 is greater than the stroke of the hydraulic cylinder 2. Without changing the length of the hydraulic cylinder 2, the stroke of the lifting platform can be increased. Under the same stroke, the volume of this device is saved, making it more practical.

[0037] The present invention may be further improved, such as Figure 1 , Figure 4 and Figure 5 As shown, the linkage assembly includes one end of a drive rod 8 that is rotatably connected to both ends of the support plate 4 on the same side, and the two drive rods 8 are symmetrically arranged.

[0038] The other end of each drive rod 8 is rotatably connected to one end of drive rod 9, and the two drive rods 9 are connected in the middle by a pin 10, and the two drive rods 9 are arranged in an X shape.

[0039] The other end of each drive rod 2 9 is rotatably connected to one end of drive rod 3 11. The two drive rods 3 11 are symmetrically arranged. The other end of drive rod 3 11 is rotatably connected to the lifting plate 5. Drive rod 3 11 and drive rod 2 9 are symmetrically arranged.

[0040] Pin 10 is rotatably connected to drive plate 7;

[0041] In this embodiment, as Figure 1 As shown, when the drive plate 7 moves upward, it drives the pin 10 to move upward. The upward movement of the pin 10 drives the two drive rods 9 to move upward, and at the same time, the included angle between them decreases. When the two drive rods 9 move upward, they drive the two drive rods 8 to rotate. At the same time, the decrease in the included angle between the two drive rods 9 drives the two drive rods 11 to rotate, causing the lifting plate 5 to move upward. The stroke of the pin 10 and the drive plate 7 is the same as the stroke of the piston rod of the oil cylinder 2. The stroke of the lifting plate 5 is the sum of two parts: one part is the stroke of the pin 10, and the other part is the straight-line distance between the other end of the drive rod 11 and the pin 10 when the oil cylinder 2 stops moving. It can be seen that the stroke of the lifting plate 5 is greatly increased without changing the stroke of the oil cylinder 2.

[0042] The present invention may be further improved, such as Figure 1 and Figure 2 As shown, a chain 13 is rotatably mounted on the top of the lifting plate 5 via several sprockets 12, and a motor 14 for driving the sprockets 12 to rotate is mounted on the bottom of the lifting plate 5.

[0043] The top of the lifting plate 5 is fixed with a ring track 15, and the ring track 15 is slidably connected to an adjusting seat 16. The winch 6 is installed on the top of the adjusting seat 16, and the adjusting seat 16 is connected to the chain 13.

[0044] In this embodiment, the chain 13 is in the shape of a ring and is set along the outer edge of the lifting plate 5, so that the adjusting seat 16 and the winch 6 can reach any position of the lifting plate 5, and the winch 6 is located at the end of the lifting plate 5, so as not to affect the lifting equipment.

[0045] When it is necessary to adjust the position of the winch 6, turn on the motor 14 to rotate the chain 13. The chain 13 will drive the adjusting seat 16 and the winch 6 to move along the circular track 15. After reaching the appropriate position, stop the motor 14.

[0046] The invention is further improved in that the support mechanism includes a plurality of fixing plates 17 fixedly connected to the base 1, such as... Figure 2 As shown, two fixing plates 17 are connected to both sides of the base 1;

[0047] like Figure 1 , Figure 3 and Figure 6 As shown, each fixed plate 17 is rotatably mounted with a threaded tube 18, the threaded tube 18 is threadedly connected to a screw 19, the top of the screw 19 is fixed with an optical shaft 20 that is slidably connected to the fixed plate 17, the bottom of the screw 19 is threadedly connected to a threaded tube 21, and the bottom of the threaded tube 21 is fixed with a support seat 22.

[0048] A splined shaft 23 is fixed to the outside of the threaded tube 18, a splined sleeve 24 slides on the outside of the splined shaft 23, a gear 25 is fixedly connected to the outer wall of the splined sleeve 24, and a lifting mechanism is also included for driving the gear 25 to lift.

[0049] Each fixed plate 17 is also rotatably mounted with a gear 26 that meshes with gear 25, and the axle of gear 26 is also fixedly connected to sprocket 27, which is fitted with chain 28.

[0050] The present invention may be further improved, such as Figure 3 and Figure 6 As shown, the lifting mechanism includes a transition tube 29 fixedly connected to the bottom end of the spline shaft 23, and a support tube 30 rotatably connected to the outside of the transition tube 29;

[0051] The lifting mechanism also includes guide rails 31 fixed on both sides of the fixed plate 17. Each guide rail 31 has a slider 32 that slides on it. The slider 32 is rotatably connected to one end of the inclined rod 33, and the other end of the inclined rod 33 is rotatably connected to the support tube 30.

[0052] The present invention may be further improved, such as Figure 3 As shown, the lifting mechanism also includes a first limiting plate 34 fixed to the top of the guide rail 31 and a second limiting plate 35 fixed to the fixed plate 17, and the slider 32 is fixedly connected to the push plate 36.

[0053] In this embodiment, as Figure 3 As shown, slider 32 contacts limit plate 35, inclined rod 33 is inclined, spline shaft 23 is slidably engaged with spline sleeve 24. By rotating the axle of one of the gears 26, all threaded tubes 18 can be rotated under the cooperation of sprocket 27 and chain 28. Since the optical shaft 20, which is fixedly connected to screw 19, is slidably connected to fixed plate 17, the rotation of threaded tube 18 can cause screw 19, optical shaft 20, threaded tube 21 and support seat 22 to rise and fall simultaneously.

[0054] When the base 1 is fixed, rotate the axle of one of the gears 26 to lower all the support seats 22 by a certain height at the same time. Then rotate the threaded tube 21 to adjust the height of the support seats 22 so that the support seats 22 contact the ground and provide stable support. In other words, rotating the gear 26 can make a large adjustment of the support seats 22, and rotating the threaded tube 21 can make a fine adjustment of the support seats 22.

[0055] Due to the complex environment inside the mine, when the terrain at one of the support seats 22 is relatively high, without the need for significant adjustment of the height of the support seat 22, two fingers press the push plate 36 to make the slider 32 slide on the guide rail 31 until the slider 32 contacts the second limiting plate 35 and stops. Because the inclined rod 33 is set at an angle, when the slider 32 moves, the inclined rod 33 pushes the support tube 30, spline shaft 23 and gear 1 25 to move upward. Gear 1 25 separates from gear 2 26, and when the slider 32 contacts the second limiting plate 35, the inclined rod 33 is vertical. When gear 1 25 tends to move downward, it can counteract the downward force and play a certain self-locking role.

[0056] The present invention is further improved by providing a second connecting rod assembly on both sides of the drive plate 7. The second connecting rod assembly includes a plurality of connecting rods 37 that are rotatably connected in sequence. One end of the bottom connecting rod 37 is rotatably connected to the drive plate 7, and one end of the top connecting rod 37 is rotatably connected to the lifting plate 5.

[0057] In this embodiment, in order to improve the stability of the lifting plate 5, a second connecting rod assembly is provided. When the lifting plate 5 is raised or lowered, it drives these connecting rods 37 to rotate adaptively, which restricts the left and right position changes. The first connecting rod assembly restricts the front and back position of the lifting plate 5, making the lifting plate 5 rise and fall more smoothly.

[0058] The present invention may be further improved, such as Figure 1 As shown, several casters are installed at the bottom of the base 1.

[0059] In one embodiment of the present invention, the base 1 is equipped with several casters at its bottom, making the device more convenient to move.

[0060] When using this invention, the device is moved to a designated position by the casters, and then the base 1 is fixed. The operation steps are as follows: rotate the axle of one of the gears 26 to lower all the support seats 22 at the same time to a certain height, and then rotate the threaded tube 21 to adjust the height of the support seats 22 so that the support seats 22 contact the external ground and achieve the purpose of stable support.

[0061] Due to the complex environment inside the mine, when the terrain of one of the support seats 22 is relatively high, without the need to significantly adjust the height of the support seat 22, two fingers press the push plate 36 to make the slider 32 slide on the guide rail 31 until the slider 32 contacts the second limiting plate 35 and stops. Since the inclined rod 33 is set at an angle, when the slider 32 moves, the inclined rod 33 pushes the support tube 30, spline shaft 23 and gear 1 25 to move upward. Gear 1 25 separates from gear 2 26, and when the slider 32 contacts the second limiting plate 35, the inclined rod 33 is vertical. When gear 1 25 tends to move downward, it can counteract the downward force and play a certain self-locking role.

[0062] According to the position of the equipment to be lifted, start the motor 14, so that the adjusting seat 16 slides along the circular track 15, and stop the winch 6 directly above the equipment to be lifted;

[0063] When the height of the lifting plate 5 needs to be adjusted, the piston rod of the hydraulic cylinder 2 is extended, causing the drive plate 7 to move vertically upward, which in turn moves the pin 10 upward. As the pin 10 moves upward, the two drive rods 9 move upward, and the angle between them decreases. When the two drive rods 9 move upward, they rotate the two drive rods 8. At the same time, the angle between the two drive rods 9 decreases, causing the two drive rods 11 to rotate, thus moving the lifting plate 5 upward. The stroke of the pin 10 and the drive plate 7 is the same as the stroke of the piston rod of the hydraulic cylinder 2. The stroke of the lifting plate 5 is the sum of two parts: one part is the stroke of the pin 10, and the other part is the straight-line distance between the other end of the drive rod 11 and the pin 10 when the hydraulic cylinder 2 stops moving. It can be seen that the stroke of the lifting plate 5 is greatly increased without changing the stroke of the hydraulic cylinder 2.

[0064] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A lifting device specifically for electromechanical installation in coal mines, characterized in that, include: The base (1) is vertically fixed with a hydraulic cylinder (2). The top of the base (1) is fixed with a support plate (4) via a bracket (3). Both sides of the support plate (4) are provided with one end of a connecting rod assembly. The other end of the connecting rod assembly is provided with a lifting plate (5). A winch (6) is slidably provided on the top of the lifting plate (5). The output end of the hydraulic cylinder (2) is fixed with a drive plate (7), which is used to drive the connecting rod assembly to extend and retract. Support mechanisms are provided on both sides of the base (1); The support mechanism includes several fixed plates (17) fixedly connected to the base (1). Each fixed plate (17) is rotatably mounted with a threaded tube (18). The threaded tube (18) is threadedly connected to a screw (19). The bottom end of the screw (19) is threadedly connected to a threaded tube (21). The bottom end of the threaded tube (21) is fixed with a support seat (22). A splined shaft (23) is fixed to the outside of the threaded pipe (18), a splined sleeve (24) slides on the outside of the splined shaft (23), a gear (25) is fixedly connected to the outer wall of the splined sleeve (24), and a lifting mechanism is also included for driving the gear (25) to lift. Each fixed plate (17) is also rotatably mounted with a gear two (26) that meshes with gear one (25), and the axle of gear two (26) is also fixedly connected to sprocket two (27), and sprocket two (27) is fitted with chain two (28). The lifting mechanism includes a transition tube (29) fixedly connected to the bottom end of the spline shaft (23), and a support tube (30) rotatably connected to the outside of the transition tube (29). The lifting mechanism also includes guide rails (31) fixed on both sides of the fixed plate (17). Each guide rail (31) has a sliding block (32). The sliding block (32) is rotatably connected to one end of the inclined rod (33), and the other end of the inclined rod (33) is rotatably connected to the support tube (30).

2. The lifting device for special electromechanical installation in coal mines as described in claim 1, characterized in that, The first linkage assembly includes one end of a first drive rod (8) rotatably connected to both ends of the same side of the support plate (4), the other end of each first drive rod (8) rotatably connected to one end of a second drive rod (9), and the middle of the two second drive rods (9) are connected by a pin (10). The other end of each drive rod 2 (9) is rotatably connected to one end of drive rod 3 (11), and the other end of drive rod 3 (11) is rotatably connected to the lifting plate (5); The pin (10) is rotatably connected to the drive plate (7).

3. A lifting device for special electromechanical installation in coal mines as described in claim 2, characterized in that, The top of the lifting plate (5) is equipped with a chain (13) that rotates through several sprockets (12), and the bottom of the lifting plate (5) is equipped with a motor (14) for driving the sprockets (12) to rotate. The top of the lifting plate (5) is fixed with a ring track (15), and the ring track (15) is slidably connected to an adjusting seat (16). The winch (6) is installed on the top of the adjusting seat (16), and the adjusting seat (16) is connected to the chain (13).

4. A lifting device for special electromechanical installation in coal mines as described in claim 3, characterized in that, The lifting mechanism also includes a first limiting plate (34) fixed on the top of the guide rail (31) and a second limiting plate (35) fixed on the fixed plate (17), and the slider (32) is fixedly connected to the push plate (36).

5. A lifting device for special electromechanical installation in coal mines as described in claim 4, characterized in that, Both sides of the drive plate (7) are provided with a second connecting rod assembly. The second connecting rod assembly includes several connecting rods (37) that are rotatably connected in sequence. One end of the bottom connecting rod (37) is rotatably connected to the drive plate (7), and one end of the top connecting rod (37) is rotatably connected to the lifting plate (5).

6. A lifting device for special electromechanical installation in coal mines as described in claim 5, characterized in that, The base (1) has several casters installed at the bottom.

Images