Small-radius hydraulic drive turnover device
By using a small-radius hydraulically driven tilting device, the tilting side plate is controlled by a hydraulic cylinder. Combined with an internal rail catcher and a car stopper, the problem of jamming in coal mine tilting equipment is solved, enabling complete unloading of materials and convenient installation of the equipment.
Patent Information
- Application Number
- CN202520468745.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing coal mine underground gangue turning equipment suffers from material jamming and requires a large amount of maintenance. Furthermore, the complex structure of the existing equipment leads to incomplete turning.
A small-radius hydraulically driven tilting device is adopted. The device utilizes a support mechanism and a tilting mechanism, and controls the tilting of the side plate through a hydraulic cylinder. Combined with an internal rail catcher and a car stopper, it prevents material from getting stuck, and achieves unloading without material by adjusting the extension and retraction of the hydraulic cylinder.
It achieves complete unloading of materials, reduces the amount of equipment installation and maintenance work, improves the convenience and efficiency of flipping, and avoids material jamming.
Smart Images

Figure CN223851741U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a coal mine gangue turning technology field, and specifically relates to a small radius hydraulic drive turnover device. BACKGROUND
[0002] The underground transportation system of a coal mine is divided into a main transportation system and an auxiliary transportation system, the main transportation system refers to a conveying system responsible for transporting coal flow, usually composed of a fully mechanized coal mining face belt conveyor, a main transportation roadway belt conveyor and a hoisting vertical shaft skip hoist or a hoisting inclined shaft belt conveyor, raw coal enters a ground screening workshop through the main transportation system to perform screening of gangue and sundries, the auxiliary transportation system refers to a conveying system responsible for transporting materials, personnel and equipment, usually composed of track transportation, electric locomotive transportation, winch transportation and monorail hoist transportation, underground daily use materials and equipment are transported to designated positions of each mining roadway through the auxiliary transportation system, the underground mining roadway passes through a full coal roadway and a rock roadway during the mining process, the geological conditions are complex, a large amount of engineering coal or gangue is generated during the mining process, the engineering coal is transferred to a coal bunker through the belt conveyor of the mining roadway, the materials in the coal bunker are mixed, the engineering coal cannot be directly put into the coal flow system, needs to be divided into streams in the auxiliary transportation system and is divided into streams and transported by using a mine car, the mine car is lifted to the ground after loading the engineering coal, whether the engineering coal is poured into the coal flow system is determined according to the material in the car, if the engineering coal needs to be poured into the coal flow system, the car is pushed to a dumper for turning and gangue removal.
[0003] The prior art uses a circular dumper cage for turning and gangue removal, the dumper cage is driven by a hydraulic motor, during operation, the dumper cage rotates in a circle, the car is pushed into the dumper cage, the dumper cage rotates by 180 degrees to unload the materials, the outer fixed steel frame of the dumper cage often blocks the materials during unloading of the materials, in addition, the existing complete equipment has many accessories, composed of a hydraulic station, a control cabinet, a car pusher and a hydraulic motor, the daily maintenance workload is large.
[0004] Therefore, a small radius hydraulic drive turnover device is needed to solve the above technical problems. SUMMARY
[0005] The utility model wants to solve the technical problem, provide a kind of small radius hydraulic drive turnover device, utilize simple and convenient hydraulic drive mode, complete the turnover of turnover mechanism, control turnover vehicle to unload material without material by adjusting the extension and contraction of oil cylinder, according to the form of material, freely control reciprocation frequency, to complete material unloading more thoroughly, prevent material block.
[0006] The utility model provides a kind of small radius hydraulic drive turnover device, including support mechanism and turnover mechanism, wherein:
[0007] The support mechanism comprises a support base, a group of vertical columns vertically arranged at both ends of the support base, a back-up oil cylinder and a group of lifting oil cylinders vertically arranged at the middle part of the support base, and the piston rod of the lifting oil cylinder is inclined to the side where the turnover mechanism is located.
[0008] The turnover mechanism comprises a turnover side plate, the upper part of the turnover side plate is hingedly connected with the upper part of the two vertical columns respectively, a group of connecting seats are arranged on the side wall of the turnover side plate, the end of the piston rod of the lifting oil cylinder is hingedly connected with the connecting seat, a vehicle upper stopper is arranged on the top of the turnover side plate, a turnover base is arranged on the lower part of the turnover side plate, a group of vehicle rails are arranged on the turnover base, an internal rail clamping device is arranged on the inner side of each vehicle rail, and two groups of vehicle stopping devices are arranged between the two vehicle rails.
[0009] Preferably, the vehicle upper stopper comprises a limiting block arranged on one side of the top of the turnover side plate, and a right-angled limiting clamping groove is arranged on the limiting block.
[0010] Preferably, the internal rail clamping device comprises a parallel section made of a channel steel, and bending parts are arranged at both ends of the parallel section.
[0011] Preferably, each group of vehicle stopping devices comprises an upper bearing seat and a lower bearing seat, a group of upper bearing seats are arranged on the upper side of the turnover base, and the upper bearing seats are located on both sides of the two vehicle rails, a vehicle stopping claw rotating shaft is arranged on the upper bearing seat, a vehicle stopping claw is arranged on the vehicle stopping claw rotating shaft, a pulling shaft is arranged on the other end of the vehicle stopping claw, and a pulling rod is connected to the pulling shaft; a driving rotating shaft is arranged on the lower bearing seat, a driving rotating rod and a driven rotating rod are fixedly arranged on the driving rotating shaft, the driving rotating rod is connected to the piston rod of the cylinder through a connecting rod, and the two ends of the driven rotating rod are connected to the pulling rod through connecting rods.
[0012] Preferably, the end of the cylinder body of the cylinder is mounted on the inner side of the turnover base.
[0013] Preferably, the turnover base is a rectangular frame welded by a channel steel, a pre-embedded part is arranged on the lower side of the support base, the pre-embedded part is embedded in the ground, and the pre-embedded part is detachably connected with the support base.
[0014] Preferably, a material guide plate and a lug are arranged on the top of the turnover side plate, and the lug is hingedly connected with the vertical column through a pin shaft.
[0015] The working principle of this utility model is as follows: This small-radius hydraulically driven tilting device is equipped with a support base and a set of columns, which serve as the support mechanism for tilting, providing stable support for the tilting mechanism. The device also includes a tilting mechanism, in which a tilting side plate is hinged between two columns. A set of tilting bases is located at the lower end of the tilting side plate, and a vehicle rail is connected between the two tilting bases. The vehicle rail is coaxially aligned with the vehicle's travel track on the road surface, facilitating the vehicle's movement onto the tilting device. The tilting bases provide support for the vehicle, facilitating subsequent tilting. Two hydraulic cylinders act as lifting cylinders to complete the tilting action of the tilting bases. Furthermore, the device is equipped with internal rail catchers and vehicle stoppers on the vehicle rail to prevent the vehicle from moving on the rail during tilting; a vehicle upper limit switch is located above the tilting side plate to prevent the vehicle from falling during tilting. Additionally, if the device becomes jammed and cannot return to its original position, a return cylinder assists in lifting the upper part of the tilting side plate of the tilting mechanism upwards, allowing the tilting mechanism to return to its original position smoothly.
[0016] The beneficial effects of this utility model are as follows: This small-radius hydraulically driven tilting device uses two hydraulic cylinders as lifting cylinders and a simple and convenient hydraulic drive method to complete the tilting mechanism. By adjusting the extension and retraction of the cylinders, the tilting vehicle can be controlled to unload materials. The number of reciprocating strokes can be freely controlled according to the material shape, thus completing the unloading of materials more thoroughly. In addition, this device can be installed and used with foundation bolts fixed at the original track, without the need to remove the original track or dig a foundation pit, reducing the amount of installation work. The equipment is easy to install, quick to use, and requires little daily maintenance, meeting the usage requirements without investing more costs. Attached Figure Description
[0017] Figure 1 This is a front view of the small-radius hydraulically driven tilting device of this utility model before it is tilted.
[0018] Figure 2 This is a front view of the small-radius hydraulically driven tilting device of this utility model after it has been tilted.
[0019] Figure 3 for Figure 1 A magnified view of a portion of the image;
[0020] Figure 4 The front view of the brake clamp in the engaged state;
[0021] Figure 5 Top view of the brake clamp in the engaged position
[0022] Figure 6 A top view showing the vehicle stopper in the open position.
[0023] Supporting mechanism 1, support base 11, column 12, back oil cylinder 13, lifting oil cylinder 14, embedded part 15; turnover mechanism 2, turnover side plate 21, connecting seat 22, turnover base 23, vehicle rail 24, guide plate 25, lug 26, pin shaft 27; vehicle upper stopper 3, limiting block 31, limiting clamping groove 32; internal rail clamping device 4, channel steel 41, bending part 42; car stopper 5, upper bearing seat 51, lower bearing seat 52, car stopper pawl rotating shaft 53, car stopper pawl 54, pull shaft 55, pull rod 56, driving rotating shaft 57, driving rotating rod 58, driven rotating rod 59, connecting rod 510, air cylinder 511; vehicle 6. DETAILED DESCRIPTION
[0024] In order to make the technical scheme of the utility model easier to understand, the technical scheme of the utility model is described clearly and completely in the form of specific embodiments in combination with the drawings.
[0025] Embodiment 1
[0026] As shown in the figure, the small-radius hydraulic drive turnover device of the embodiment comprises a supporting mechanism 1 and a turnover mechanism 2, wherein: Figures 1 to 6
[0027] The supporting mechanism 1 comprises a support base 11, a group of columns 12 vertically arranged at both ends of the support base 11, a back oil cylinder 13 and a group of lifting oil cylinders 14 vertically arranged at the middle part of the support base 11, the piston rod of the lifting oil cylinder 14 being inclined to one side where the turnover mechanism 2 is located, and the piston rod of the lifting oil cylinder 14 being inclined to the opposite side of the piston rod of the lifting oil cylinder 14.
[0028] The turnover mechanism 2 comprises a turnover side plate 21, the upper part of the turnover side plate 21 being hingedly connected to the upper part of the two columns 12 respectively, a group of connecting seats 22 being arranged on the side wall of the turnover side plate 21, the end of the piston rod of the lifting oil cylinder 14 being hingedly connected to the connecting seat 22, a vehicle upper stopper 3 being arranged on the top of the turnover side plate 21, a turnover base 23 being arranged at the lower part of the turnover side plate 21, a group of vehicle rails 24 being arranged on the turnover base 23, an internal rail clamping device 4 being arranged on the inner side of each vehicle rail 24, and two groups of car stoppers 5 being arranged side by side between the two vehicle rails 24.
[0029] Embodiment 2
[0030] As shown in the figure, the small-radius hydraulic drive turnover device of the embodiment comprises a supporting mechanism 1 and a turnover mechanism 2, wherein: Figures 1 to 6
[0031] The supporting mechanism 1 comprises a support base 11, a group of columns 12 vertically arranged at both ends of the support base 11, a back oil cylinder 13 and a group of lifting oil cylinders 14 vertically arranged at the middle part of the support base 11, the piston rod of the lifting oil cylinder 14 being inclined to one side where the turnover mechanism 2 is located.
[0032] The turnover mechanism 2 comprises a turnover side plate 21, the upper part of the turnover side plate 21 is hinged with the upper part of the two vertical columns 12 respectively, a group of connecting seats 22 are arranged on the side wall of the turnover side plate 21, the piston rod end of the lifting oil cylinder 14 is hinged with the connecting seat 22, a vehicle upper limiter 3 is arranged on the top of the turnover side plate 21, a turnover base 23 is arranged on the lower part of the turnover side plate 21, a group of vehicle rails 24 are arranged on the turnover base 23, an internal rail clamp 4 is arranged on the inner side of each vehicle rail 24, and two groups of vehicle stoppers 5 are arranged side by side between the two vehicle rails 24.
[0033] The vehicle upper limiter 3 comprises a limiting block 31 arranged on one side of the top of the turnover side plate 21, and a right-angled limiting clamping groove 32 is arranged on the limiting block 31.
[0034] The internal rail clamp 4 comprises a parallel section 41 made of channel steel, and a bending part 42 is arranged at the two ends of the parallel section 41 respectively.
[0035] Each group of vehicle stoppers 5 comprises an upper bearing seat 51 and a lower bearing seat 52, one group of upper bearing seats 51 is arranged on the upper side of the turnover base 23, and the upper bearing seat 51 is located on the two sides of the two vehicle rails 24, a vehicle stopping claw rotating shaft 53 is arranged on the upper bearing seat 51, a vehicle stopping claw 54 is arranged on the vehicle stopping claw rotating shaft 53, a pulling shaft 55 is arranged on the other end of the vehicle stopping claw 54, and a pulling rod 56 is connected to the pulling shaft 55; the lower bearing seat 52 is provided with a driving rotating shaft 57, the driving rotating shaft 57 is fixedly provided with a driving rotating rod 58 and a driven rotating rod 59, the driving rotating rod 58 is connected with the piston rod of a gas cylinder 511 through a connecting rod 510, and the two ends of the driven rotating rod 59 are connected with the pulling rod 56 through the connecting rod 510.
[0036] The turnover base 23 is a rectangular frame welded by channel steel, and the end of the cylinder body of the gas cylinder 511 is installed on the inner side of the turnover base 23.
[0037] The supporting base 11 is provided with a pre-embedded part 15, the pre-embedded part 15 is embedded in the ground, and the pre-embedded part 15 is detachably connected with the supporting base 11.
[0038] The top of the turnover side plate 21 is provided with a material guide plate 25 and a lug 26, the lug 26 is hinged with the vertical column 12 through a pin shaft 27.
[0039] The use method is as follows:
[0040] The small-radius hydraulic driving turnover device, when in use, firstly, the vehicle 6 loaded with materials is moved to the vehicle track 24 of the device along the vehicle walking track on the road surface, and the wheel is located above the vehicle blocking device 5, the cylinder 511 is started, the cylinder 511 drives the driving rotary rod 58 to rotate through the connecting rod 510, so as to drive the driving rotary shaft 57 to rotate, and further drive the driven rotary rod 59 to rotate around the driving rotary shaft 57, at this time, the driven rotary rod 59 drags the pull rod 56 through the connecting rod 510, so that the pull shaft 56 and the vehicle blocking claw 54 rotate around the vehicle blocking claw rotary shaft 53, so that the vehicle blocking claw 54 tightly holds the wheel, and the vehicle is locked. At this time, the lifting oil cylinder 14 is started, the piston rod of the lifting oil cylinder 14 is extended, the turnover side plate 21 is pushed to rotate upwards around the pin shaft 27, the vehicle 6 is turned over to unload the materials with the opening downwards, after unloading is completed, the piston rod of the lifting oil cylinder 14 is controlled to retract, the turnover side plate 21 is driven to rotate downwards around the pin shaft 27, so that the turnover mechanism 2 and the vehicle 6 are returned to the original position. When unloading, the lifting oil cylinder 14 can be controlled to repeatedly extend and retract until all the materials are unloaded. When the lifting oil cylinder 14 retracts to drive the turnover mechanism 2 to return to the original position, if blocking occurs, the return oil cylinder 13 can be started to extend, the upper part of the turnover side plate 21 is lifted upwards, so that the turnover mechanism 2 is smoothly returned to the original position. After returning to the original position, the cylinder 511 is controlled, the driving rotary shaft 57 is driven to rotate in the reverse direction, so that the vehicle blocking claw 54 rotates in the reverse direction around the vehicle blocking claw rotary shaft 53 and is opened, the locking of the vehicle blocking claw 54 to the wheel is released, and the vehicle is moved out of the device.
[0041] It should be noted that the embodiments described herein are only part of the embodiments of the utility model, not all the implementation manners of the utility model, the embodiments are only exemplary, and the role is only to provide a more intuitive and clear way to understand the content of the utility model, and is not a limitation on the technical solutions of the utility model. Without departing from the concept of the utility model, all other embodiments that can be thought of by those skilled in the art without creative labor, and other simple replacements and various changes of the technical solutions of the utility model, belong to the protection scope of the utility model.
Claims
1. A small radius hydraulic drive roll-over device characterized by, Including support mechanism (1) and turnover mechanism (2), wherein: The support mechanism (1) includes a support base (11), a group of vertical columns (12) are vertically arranged at both ends of the support base (11), a backstop oil cylinder (13) and a group of lifting oil cylinders (14) are vertically arranged at the middle part of the support base (11), the piston rod of the lifting oil cylinder (14) is inclined to the side where the turnover mechanism (2) is located; The turnover mechanism (2) includes a turnover side plate (21), the upper part of the turnover side plate (21) is hinged to the upper part of two vertical columns (12) respectively, a group of connecting seats (22) are arranged on the side wall of the turnover side plate (21), the end of the piston rod of the lifting oil cylinder (14) is hinged to the connecting seat (22), a vehicle upper stopper (3) is arranged on the top of the turnover side plate (21), a turnover base (23) is arranged on the lower part of the turnover side plate (21), a group of vehicle rails (24) are arranged on the turnover base (23), an internal rail clamp (4) is arranged on the inner side of each vehicle rail (24), and two groups of vehicle stoppers (5) are arranged side by side between the two vehicle rails (24).
2. The small radius hydraulic drive roll-over device of claim 1, wherein, The vehicle upper stopper (3) includes a limiting block (31) arranged on one side of the top of the turnover side plate (21), and a right-angled limiting clamping groove (32) is arranged on the limiting block (31).
3. The small radius hydraulic drive roll-over device of claim 1, wherein, The internal rail clamp (4) includes a parallel section (41) made of channel steel, and bending parts (42) are arranged at both ends of the parallel section (41).
4. The small radius hydraulic drive roll-over device of claim 1, wherein, Each group of vehicle stoppers (5) includes an upper bearing seat (51) and a lower bearing seat (52), one group of upper bearing seats (51) is arranged on the upper side of the turnover base (23), and the upper bearing seat (51) is located on the two sides of the two vehicle rails (24), a vehicle stopping claw rotating shaft (53) is arranged on the upper bearing seat (51), a vehicle stopping claw (54) is arranged on the vehicle stopping claw rotating shaft (53), a pulling shaft (55) is arranged on the other end of the vehicle stopping claw (54), and a pulling rod (56) is connected to the pulling shaft (55); the lower bearing seat (52) is provided with a driving rotating shaft (57), the driving rotating shaft (57) is fixedly provided with a driving rotating rod (58) and a driven rotating rod (59), the driving rotating rod (58) is connected to the piston rod of a pneumatic cylinder (511) through a connecting rod (510), and the two ends of the driven rotating rod (59) are connected to the pulling rod (56) through the connecting rod (510).
5. The small radius hydraulic drive roll-over device of claim 4, wherein, The turnover base (23) is a rectangular frame welded by channel steel, and the end of the cylinder body of the pneumatic cylinder (511) is mounted on the inner side of the turnover base (23).
6. The small radius hydraulic drive roll-over device as described in claim 1, wherein, The lower side of the support base (11) is provided with a pre-embedded part (15), the pre-embedded part (15) is embedded in the ground, and the pre-embedded part (15) is detachably connected with the support base (11).
7. The small radius hydraulic drive roll-over device of claim 1 wherein, The top of the turnover side plate (21) is provided with a material guide plate (25) and a lug (26), and the lug (26) is hinged to the vertical column (12) through a pin shaft (27).