Lifting device for coal mine tunnel

Abstract

The utility model provides a lifting device of a coal mine tunnel, which comprises a bottom beam, a top beam, a vertical support frame for connecting the bottom beam and the top beam, a lifting mechanism and a lifting appliance which are arranged at the front end of the top beam, two groups of walking wheels are arranged on the bottom beam, and positioning components are respectively arranged at the front end and the rear end of the bottom beam. The positioning assembly comprises first hinge seats arranged on the two sides of the bottom beam respectively, a first telescopic rod and a positioning rod are hinged to the first hinge seats respectively, the first telescopic rod is located above the positioning rod, the telescopic end of the first telescopic rod is hinged to the middle of the positioning rod, and a connecting shaft is arranged at the free end of the positioning rod. The two ends of the connecting shaft are each rotationally connected with a connecting plate, positioning plates are connected to the lower sides of the two connecting plates, and a plurality of anti-skid protrusions are evenly arranged on the lower sides of the positioning plates. The lifting device for the coal mine tunnel is simple in structure, reasonable in design and capable of adapting to the complex environment of the coal mine tunnel.

Description

Technical Field

[0001] The utility model relates to a lifting equipment device, specifically to a lifting device for coal mine roadways. Background Technique

[0002] A coal mine roadway is a passage dug during underground mining to facilitate mining hoisting, transportation, ventilation, drainage, power supply, etc. The cross-sectional shape of the roadway is mostly arched, trapezoidal or rectangular, and circular, elliptical or horseshoe-shaped for soft surrounding rock. Due to the limited space in the roadway, the application of conventional cranes is relatively difficult. Therefore, coal mine roadway lifting equipment usually adopts small lifting equipment. For example, a coal mine roadway lifting device disclosed in Chinese Patent CN220886788U, a coal mine roadway lifting device disclosed in Chinese Patent CN216377271U, etc. However, in these roadway lifting equipment, a drum is fixed on the lower support seat, an inclined support rod is provided, a pulley is provided at the upper end of the support rod, and the steel wire rope led out from the drum bypasses the pulley and is connected to a hook. In order to facilitate movement, a plurality of rollers are also provided at the bottom of the support seat. However, the terrain inside the roadway is complex, and the support seat is prone to shift, affecting the stability of the lifting process.

[0003] In order to solve the above problems, people have been seeking an ideal technical solution. Content of the Utility Model

[0004] The purpose of the utility model is to aim at the deficiencies of the prior art, so as to provide a lifting device for coal mine roadways.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A coal mine roadway lifting device includes a bottom beam, a top beam, a vertical support frame connecting the bottom beam and the top beam, a lifting mechanism and a sling arranged at the front end of the top beam. Two sets of traveling wheels are arranged on the bottom beam, and positioning components are respectively arranged at the front end and the rear end of the bottom beam. The positioning component includes first hinge seats respectively arranged on both sides of the bottom beam. A first telescopic rod and a positioning rod are respectively hinged on the first hinge seats. The first telescopic rod is located above the positioning rod. The telescopic end of the first telescopic rod is hinged to the middle of the positioning rod. A connecting shaft is arranged at the free end of the positioning rod. Both ends of the connecting shaft are respectively rotatably connected to a connecting plate. A positioning plate is connected to the lower sides of the two connecting plates. A plurality of anti-slip protrusions are evenly arranged on the lower side of the positioning plate.

[0007] A second hinge seat is arranged at the top of the vertical support frame, and a third hinge seat is arranged at the front side of the vertical support frame. The front end of the top beam is hinged to the second hinge seat. A fourth hinge seat is arranged on the lower side of the middle of the top beam. The third hinge seat and the fourth hinge seat are connected by a second telescopic rod.

[0008] The top beam includes a first support rod connected to the vertical support frame and a second support rod connected to the hoisting mechanism. The first support rod and the second support rod are arranged in a V shape. The second support rod includes an outer sleeve rod and an inner sleeve rod. The rear end of the inner sleeve rod extends into the interior of the outer sleeve rod. The front end of the inner sleeve rod is connected to the hoisting mechanism. The hoisting mechanism is connected to the lifting appliance. The front end of the inner sleeve rod and the rear end of the outer sleeve rod are connected by a third telescopic rod.

[0009] The bottom beam is rotatably connected to the vertical support frame through a slewing bearing. The outer gear ring of the slewing bearing meshes with the transmission gear, and the transmission gear is connected to a driving motor.

[0010] A support plate is provided at the lower end of the vertical support frame. The support plate is fixedly connected to the outer gear ring of the slewing bearing. A plurality of positioning columns are provided on the support plate. A positioning seat is provided on the upper side of the bottom beam. A rotating shaft is provided on the positioning seat. The rotating shaft is rotatably connected to a positioning card plate. The positioning card plate is provided with a positioning groove corresponding to the positioning column. The rotation direction of the positioning card plate is perpendicular to the outer gear ring of the slewing bearing.

[0011] A connecting seat is provided at the front end of the bottom beam, and a connecting ring is provided in the middle of the connecting seat.

[0012] The lifting appliance is integrally cross-shaped, and hooks are respectively connected to the ends of the cross shape.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows. The present utility model provides a hoisting device for a coal mine roadway with a simple structure and reasonable design, which can adapt to the complex environment of the coal mine roadway. Specifically, traveling wheels are provided on the bottom beam to facilitate the movement of the equipment. Positioning components are respectively provided at the front end and the rear end of the bottom beam. During use, the equipment can be moved to a suitable position, and then, the length of the first telescopic rod is adjusted to make the positioning rod swing, and the positioning plate abuts against the bottom surface to prevent the equipment from moving randomly. At the same time, anti-slip protrusions are provided on the lower side of the positioning plate to increase friction. In addition, the angle of the positioning plate can be adjusted, and the adaptability is also wider. Description of the Drawings

[0014] Figure 1 is the schematic structural diagram (I) of the present utility model.

[0015] Figure 2 is the schematic structural diagram (II) of the present utility model.

[0016] In the figure: 1. Bottom beam; 2. Top beam; 3. Vertical support frame; 4. First hinge seat; 5. First telescopic rod; 6. Positioning rod; 7. Positioning plate; 8. Second hinge seat; 9. Third hinge seat; 10. Fourth hinge seat; 11. Second telescopic rod; 12. Hoisting tool; 13. First support rod; 14. Second support rod; 15. Third telescopic rod; 16. Slewing bearing; 17. Transmission gear; 18. Support plate; 19. Positioning card plate. Detailed implementation manners

[0017] The technical solution of the present utility model will be further described in detail below through specific implementation manners.

[0018] In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, terms such as "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. "Installation", "provided with", "connection", etc. can adopt conventional means in the prior art, such as: integral setting, snap connection installation, welding connection, bonding connection, bolt connection, etc. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations, and suitable connection, setting or installation methods can be selected in the prior art.

[0019] As Figure 1-2 shown, a hoisting device for a coal mine roadway includes a bottom beam 1, a top beam 2, a vertical support frame 3 connecting the bottom beam 1 and the top beam 2, a hoisting mechanism and a hoisting tool 12 provided at the front end of the top beam 2. Two sets of traveling wheels are provided on the bottom beam 1, and positioning components are respectively provided at the front end and the rear end of the bottom beam 1. The positioning components include first hinge seats 4 respectively provided on both sides of the bottom beam 1. A first telescopic rod 5 and a positioning rod 6 are respectively hinged on the first hinge seats 4. The first telescopic rod 5 is located above the positioning rod 6. The telescopic end of the first telescopic rod 5 is hinged to the middle of the positioning rod 6. A connecting shaft is provided at the free end of the positioning rod 6. Both ends of the connecting shaft are respectively rotatably connected to a connecting plate. A positioning plate 7 is connected to the lower sides of the two connecting plates. A plurality of anti-slip protrusions are evenly provided on the lower side of the positioning plate 7. Specifically, the hoisting mechanism and the hoisting tool can adopt electric hoists, manual hoists, hooks, etc. commonly used in the prior art.

[0020] The hoisting device for the coal mine roadway has a simple structure and reasonable design, and can adapt to the complex environment of the coal mine roadway. Specifically, walking wheels are arranged on the bottom beam to facilitate the movement of the device. Positioning components are respectively arranged at the front end and the rear end of the bottom beam. During use, the device can be moved to a suitable position, and then, the length of the first telescopic rod is adjusted to make the positioning rod swing, and the positioning plate abuts against the bottom surface to prevent the device from moving randomly. At the same time, anti-slip protrusions are arranged on the lower side of the positioning plate to increase friction. In addition, the angle of the positioning plate can be adjusted, and the adaptability is also wider.

[0021] In one embodiment, a second hinge seat 8 is arranged at the top of the vertical support frame 3, and a third hinge seat 9 is arranged at the front side of the vertical support frame 3. The front end of the top beam 2 is hinged to the second hinge seat 8, and a fourth hinge seat 10 is arranged at the lower side of the middle part of the top beam 2. The third hinge seat 9 and the fourth hinge seat 10 are connected by a second telescopic rod 11. During use, the angles of the top beam and the vertical support frame can be adjusted as needed, so as to adjust the position of the lifting appliance.

[0022] In one embodiment, the top beam 2 includes a first support rod 13 connected to the vertical support frame 3 and a second support rod 14 connected to the hoisting mechanism. The first support rod 13 and the second support rod 14 are arranged in a V shape. The second support rod 14 includes an outer sleeve rod and an inner sleeve rod. The rear end of the inner sleeve rod extends into the interior of the outer sleeve rod. The front end of the inner sleeve rod is connected to the hoisting mechanism, and the hoisting mechanism is connected to the lifting appliance 12. The front end of the inner sleeve rod and the rear end of the outer sleeve rod are connected by a third telescopic rod 15. The length of the second support rod is adjusted by the telescopic movement of the third telescopic rod. Specifically, rectangular steel can be used for the inner sleeve rod and the outer sleeve rod.

[0023] It should be noted that the first telescopic rod, the second telescopic rod and the third telescopic rod can adopt telescopic rods of the existing technology, such as: electric telescopic rods or hydraulic telescopic rods.

[0024] In one embodiment, the bottom beam 1 and the vertical support frame 3 are rotationally connected through a slewing bearing. The outer gear ring of the slewing bearing is meshed with a transmission gear 17, and the transmission gear 17 is connected with a driving motor. Specifically, an external gear slewing bearing can be used for the slewing bearing. During use, the motor drives the transmission gear to rotate, drives the outer gear ring of the slewing bearing to rotate, and then drives the vertical support frame to rotate, so as to facilitate the adjustment of the angle of the top beam.

[0025] In one embodiment, a support plate 18 is provided at the lower end of the vertical support frame 3. The support plate 18 is fixedly connected to the outer gear ring of the slewing bearing. A number of positioning posts are provided on the support plate 18, and a positioning seat is provided on the upper side of the bottom beam 1. A rotating shaft is provided on the positioning seat, and the rotating shaft is rotatably connected to the positioning clamping plate 19. The positioning clamping plate is provided with positioning grooves corresponding to the positioning posts, and the rotation direction of the positioning clamping plate is perpendicular to the outer gear ring of the slewing bearing. During use, the vertical support frame is rotated to a suitable angle by driving with a motor, and then the positioning clamping plate is flipped so that a certain positioning post is inserted into a certain positioning groove. When it is necessary to rotate the vertical support frame, the positioning clamping plate is flipped again so that the positioning post and the positioning groove are separated.

[0026] In one embodiment, a connecting seat is provided at the front end of the bottom beam 1, and a connecting ring is provided in the middle of the connecting seat. During use, the connecting seat and the connecting ring can be connected to other common traction devices to facilitate the movement of the device.

[0027] In one embodiment, the overall shape of the lifting appliance 12 is cross-shaped, and hooks are respectively connected to the respective ends of the cross shape, which is convenient for multi-point lifting or simultaneous lifting of multiple heavy objects.

[0028] The above embodiments can be combined with each other.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: it is still possible to modify the specific implementation manners of the present invention or perform equivalent replacements for some technical features; without departing from the spirit of the technical solutions of the present invention, they should all be covered within the scope of the technical solutions claimed by the present invention.

Claims

1. A lifting device for coal mine tunnels, characterized in that: It includes a bottom beam, a top beam, a vertical support frame connecting the bottom beam and the top beam, a lifting mechanism and a sling arranged at the front end of the top beam, two sets of walking wheels are arranged on the bottom beam, and positioning components are respectively arranged at the front end and the rear end of the bottom beam. The positioning components include first hinge seats respectively arranged on both sides of the bottom beam, and the first hinge seats are respectively hinged to the first telescopic rod and the positioning rod. The first telescopic rod is located above the positioning rod, and the telescopic end of the first telescopic rod is hinged to the middle part of the positioning rod. A connecting shaft is arranged at the free end of the positioning rod, and the two ends of the connecting shaft are respectively rotatably connected to a connecting plate. The lower sides of the two connecting plates are connected with positioning plates, and the lower sides of the positioning plates are evenly provided with a number of anti-slip protrusions.

2. The lifting device for coal mine tunnel according to claim 1, characterized in that: A second hinge seat is arranged on the top of the vertical support frame, a third hinge seat is arranged on the front side of the vertical support frame, the front end of the top beam is hinged to the second hinge seat, a fourth hinge seat is arranged on the lower middle side of the top beam, and the third hinge seat and the fourth hinge seat are connected by a second telescopic rod.

3. The lifting device for coal mine tunnel according to claim 2, characterized in that: The top beam includes a first support rod connected to the vertical support frame and a second support rod connected to the lifting mechanism. The first support rod and the second support rod are arranged in a V shape. The second support rod includes an outer sleeve rod and an inner sleeve rod. The rear end of the inner sleeve rod extends into the interior of the outer sleeve rod, and the front end of the inner sleeve rod is connected to the lifting mechanism. The lifting mechanism is connected to the sling, and the front end of the inner sleeve rod and the rear end of the outer sleeve rod are connected by a third telescopic rod.

4. The lifting device for coal mine tunnel according to claim 3, characterized in that: The bottom beam and the vertical support frame are rotationally connected through a slewing support bearing, the outer gear ring of the slewing support bearing is meshed with a transmission gear, and the transmission gear is connected to a driving motor.

5. The lifting device for coal mine tunnel according to claim 4, characterized in that: A support plate is provided at the lower end of the vertical support frame, and the support plate is fixedly connected to the outer gear ring of the slewing support bearing. A number of positioning columns are provided on the support plate, and a positioning seat is provided on the upper side of the bottom beam. A rotating shaft is provided on the positioning seat, and the rotating shaft and the positioning clamping plate are rotatably connected. The positioning clamping plate is provided with positioning grooves corresponding to the positioning columns, and the rotation direction of the positioning clamping plate is perpendicular to the outer gear ring of the slewing support bearing.

6. The lifting device for coal mine tunnel according to claim 5, characterized in that: A connecting seat is arranged at the front end of the bottom beam, and a connecting ring is arranged in the middle of the connecting seat.

7. The lifting device for coal mine tunnel according to claim 6, characterized in that: The hoist is cross-shaped as a whole, and each end of the cross is connected with a hook.

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