Roller cage with buffer mechanism

Abstract

The utility model belongs to the technical field of mine machinery, concretely relates to the roller cage lug with buffer mechanism, including installation support, the installation support transverse end surface installs buffer assembly, the installation support surface installs roller assembly, the surface of roller assembly sets up limit slot, the surface of limit slot inserts the limit rod, the other side surface of limit rod is connected in the first protective sleeve inner wall, the surface of first protective sleeve opening end sets up the insertion slot, the surface of insertion slot inserts the insertion rod, and the surface of insertion rod is connected to the surface of second protective sleeve. The utility model, through setting up the limit slot on the surface of roller assembly, it is convenient for inserting and fixing first and second protective sleeve, so as to be convenient for the protection to the surface of roller assembly, and after long-term use, the threaded sleeve fixed on first and second fixed rod can be rotated, and first and second protective sleeve can be replaced, so as to improve the efficiency of maintenance work, avoid long-term shutdown replacement roller assembly and influence mine production efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of mining machinery technology, specifically relating to a roller can ear with a buffer mechanism. Background Technology

[0002] Roller can ears are a crucial component of vertical shaft hoisting containers, consisting of a base, swing arm, rollers, and a buffer. Employing a hydraulic buffer structure, it replaces traditional buffer devices and features high load-bearing capacity, smooth operation, and long service life. Rolling friction reduces can guideway wear, lowering noise and power consumption. This component is widely used in mining, coal mining, and other industries. The roller can lugs transmit the can channel pressure to the shock absorber through a lever mechanism. The shock absorber absorbs impact energy, achieving guidance and stability. Rolling friction replaces sliding friction, effectively reducing power loss. Some models also feature an anti-tipping structure to enhance safety. Roller lugs are generally used for guiding and buffering lifting containers such as cages and skips. Through multiple sets of bolt holes on the mounting bracket of the roller lug, it is tightly connected to the steel structure of the lifting container with high-strength bolts, thereby ensuring that the roller lug can run synchronously and stably with the container during the lifting process, and realize the reliable guiding and buffering function of the cage. The outer layer of the existing roller can ear is made of polyurethane or rubber. After long-term friction with the can channel, it will gradually wear down, resulting in an increase in the gap between the roller and the can channel, which affects the stability of the guide. As a result, it is necessary to stop the machine regularly to disassemble and replace the roller. Due to the cumbersome nature of the above operations, production efficiency is affected. Utility Model Content

[0003] The purpose of this invention is to provide a roller can ear with a buffer mechanism, which aims to solve the problem that the outer layer of the roller part of the existing roller can ear is made of polyurethane or rubber. After long-term friction with the can channel, it will gradually wear down, resulting in an increase in the gap between the roller and the can channel, affecting the stability of the guide. As a result, it is necessary to stop the machine regularly to disassemble and replace the roller. Due to the cumbersome nature of the above operations, it affects the production efficiency.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a roller can ear with a buffer mechanism, including a mounting bracket, a buffer assembly mounted on the transverse end surface of the mounting bracket, a roller assembly mounted on the surface of the mounting bracket, a limiting groove formed on the surface of the roller assembly, a limiting rod inserted into the surface of the limiting groove, the other side surface of the limiting rod connected to the inner wall of a first protective sleeve, a slot formed on the open end surface of the first protective sleeve, a rod inserted into the surface of the slot, the surface of the rod connected to the surface of a second protective sleeve, a slot formed on the other side surface of the second protective sleeve, the open end surface of the second protective sleeve abutting against the open end surface of the first protective sleeve, a first fixing rod connected to a semi-circular groove on the surface of the second protective sleeve, a crossbar connected to the surface of the first fixing rod, the crossbar inserted into a circular groove on the surface of the second fixing rod, the surface of the second fixing rod connected to the surface of the first protective sleeve, a threaded sleeve threadedly connected to the surfaces of the first fixing rod and the second fixing rod, the threaded sleeve threadedly connected to a circular threaded groove at the intersection of the first and second protective sleeves.

[0005] As a preferred embodiment of the roller can ear with a buffer mechanism of this utility model, the limiting groove is a circular groove whose shape and size are adapted to the limiting rod, and the two sets of limiting grooves are symmetrically and equally spaced on the surface of the roller assembly.

[0006] As a preferred embodiment of the roller can ear with a buffer mechanism of this utility model, a circular groove is formed on the surface of the second fixing rod, the shape and size of which are adapted to the crossbar.

[0007] As a preferred embodiment of the roller can ear with a buffer mechanism of this utility model, the threaded sleeve has a double-layer thread structure, the shape and size of its inner wall thread is adapted to the thread structure at the intersection of the first fixed rod and the second fixed rod, and the shape and size of the outer wall thread structure of the threaded sleeve is adapted to the thread groove on the surface of the first protective sleeve and the second protective sleeve.

[0008] As a preferred embodiment of the roller can ear with a buffer mechanism of this utility model, the bottom horizontal end surface of the mounting bracket is connected to a guide block, the surface of the guide block is inserted into a guide groove, the guide groove is opened in the inner wall of the buffer pad, and the top surface of the buffer pad is bonded to a connecting ear.

[0009] As a preferred embodiment of the roller can ear with a buffer mechanism of this utility model, the surface of the connecting ear is sleeved on the surface of the limiting sleeve rod, and the bottom surface of the limiting sleeve rod is connected to the top of the horizontal end of the mounting bracket.

[0010] As a preferred embodiment of the roller can ear with a buffer mechanism of this utility model, the guide block is a "T"-shaped integrated structure, and its shape and size are adapted to the guide groove.

[0011] Compared with the prior art, the beneficial effects of this utility model are: The limiting grooves on the surface of the roller assembly facilitate the insertion and fixing of the first and second protective sleeves, thereby protecting the surface of the roller assembly. After long-term use, the first and second protective sleeves can be replaced by unscrewing the threaded sleeves fixed on the first and second fixing rods, thereby improving the efficiency of maintenance work and avoiding long-term downtime for replacing the roller assembly, which would affect the production efficiency of mines and other industries. In addition, by utilizing the guide block connected to the bottom of the mounting bracket and the guide groove opened on the surface of the buffer pad, as well as the cooperation of the connecting ear and the limiting sleeve, the position of the buffer pad at the bottom of the mounting bracket is fixed, thereby providing flexible buffering for the rigid contact surface between the mounting bracket and the lifting container such as the cage that needs to be connected, avoiding the wear caused by the friction generated between the two rigid contacts on the connection surface, and extending the service life of the mounting bracket. Attached Figure Description

[0012] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a top view of the structure of this utility model; Figure 3 This is a schematic diagram of the exploded front view of this utility model; Figure 4 This is a schematic diagram of the exploded structure of the first and second protective sleeves of this utility model; Figure 5 This utility model Figure 4 Enlarged structural diagram of section A.

[0013] In the diagram: 1. Mounting bracket; 2. Buffer assembly; 3. Roller assembly; 4. Limiting groove; 5. Limiting rod; 6. First protective sleeve; 7. Slot; 8. Insert rod; 9. Second protective sleeve; 10. First fixing rod; 11. Crossbar; 12. Second fixing rod; 13. Threaded sleeve; 14. Guide block; 15. Guide groove; 16. Buffer pad; 17. Connecting ear; 18. Limiting sleeve rod. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figures 1-5This utility model provides the following technical solution: a roller can ear with a buffer mechanism, including a mounting bracket 1, a buffer assembly 2 mounted on the horizontal end surface of the mounting bracket 1, a roller assembly 3 mounted on the surface of the mounting bracket 1, a limiting groove 4 formed on the surface of the roller assembly 3, a limiting rod 5 inserted into the surface of the limiting groove 4, the other side surface of the limiting rod 5 connected to the inner wall of the first protective sleeve 6, a slot 7 formed on the open end surface of the first protective sleeve 6, a rod 8 inserted into the surface of the slot 7, the surface of the rod 8 connected to the surface of the second protective sleeve 9, a slot 7 formed on the other side surface of the second protective sleeve 9, the open end surface of the second protective sleeve 9 abutting against the open end surface of the first protective sleeve 6, and a first fixing rod connected in the semi-circular groove on the surface of the second protective sleeve 9. 10. The surface of the first fixing rod 10 is connected to the crossbar 11, the crossbar 11 is inserted into the circular groove on the surface of the second fixing rod 12, the surface of the second fixing rod 12 is connected to the surface of the first protective sleeve 6, the surfaces of the first fixing rod 10 and the second fixing rod 12 are threadedly connected to the threaded sleeve 13, the surface of the threaded sleeve 13 is threadedly connected to the circular threaded groove at the intersection of the first protective sleeve 6 and the second protective sleeve 9. In this design, the mounting bracket 1, the buffer assembly 2 and the roller assembly 3 form the main body of the roller can ear, and a large number of related components are set in the main body of the roller can ear. Since they are existing technologies and the core content of this technical solution is irrelevant to them, they will not be described in detail in this technical solution. The main model of the roller can ear in this solution is: LS30.

[0016] In use: The roller can ear body guides the lifting container through the rolling friction between the roller assembly 3 and the can channel, while the buffer assembly 2 absorbs the impact. The roller assembly 3 consists of wear-resistant polyurethane rollers and rolling bearings, converting sliding friction into rolling friction to reduce wear; the buffer assembly 2 adopts a hydraulic buffer structure, including a hydraulic cylinder, seals, and hydraulic oil. When the lifting container experiences impact during operation, the hydraulic oil in the hydraulic cylinder buffers the force through damping, and the seals ensure the sealing of the hydraulic system, thereby achieving stable buffering and ensuring the smooth operation of the lifting container in the vertical shaft.

[0017] Preferably, the limiting groove 4 is a circular groove, the shape and size of which are adapted to the limiting rod 5, and the two sets of limiting grooves 4 are symmetrically and equally spaced on the surface of the roller assembly 3.

[0018] In practical use, the limiting rod 5 on the inner wall of the first protective sleeve 6 and the second protective sleeve 9 is first inserted into the limiting groove 4, thereby guiding the position of the first protective sleeve 6 and the second protective sleeve 9 on the surface of the roller assembly 3.

[0019] Preferably, a circular groove is formed on the surface of the second fixing rod 12, the shape and size of which are adapted to the crossbar 11.

[0020] In practical use, the first fixing rod 10 and the crossbar 11 connected to the open end of the second protective sleeve 9 abut against and are inserted into the circular groove on the surface of the second fixing rod 12, thereby fixing the two tightly together.

[0021] Preferably, the threaded sleeve 13 has a double-layer threaded structure, the shape and size of its inner wall thread is adapted to the thread structure at the intersection of the first fixing rod 10 and the second fixing rod 12, and the shape and size of the outer wall thread structure of the threaded sleeve 13 is adapted to the threaded groove on the surface of the first protective sleeve 6 and the second protective sleeve 9.

[0022] In practical use, hold the handle on the surface of the threaded sleeve 13 and rotate the threaded sleeve 13, which is threaded at the intersection of the first fixed rod 10, the second fixed rod 12, the first protective sleeve 6, and the second protective sleeve 9, counterclockwise, so that the threaded parts on the surface and the inner wall of the threaded sleeve 13 are unscrewed and disengaged.

[0023] Preferably, the bottom horizontal end surface of the mounting bracket 1 is connected to the guide block 14, the surface of the guide block 14 is inserted into the guide groove 15, the guide groove 15 is opened in the inner wall of the buffer pad 16, and the top surface of the buffer pad 16 is bonded to the connecting ear 17.

[0024] In practical use, the guide block 14 connected to the bottom horizontal end surface of the mounting bracket 1 is precisely aligned with the top of the guide groove 15 opened in the inner wall of the buffer pad 16, and then the guide groove 15 is fitted onto the surface of the guide block 14 from below the mounting bracket 1.

[0025] Preferably, the surface of the connecting ear 17 is sleeved on the surface of the limiting sleeve 18, and the bottom surface of the limiting sleeve 18 is connected to the top of the horizontal end of the mounting bracket 1.

[0026] In practical use, the buffer pad 16 can be completely fitted onto the horizontal end surface of the mounting bracket 1, and then the circular through groove on the surface of the connecting ear 17 is used to fit onto the surface of the limiting sleeve 18 to fix the position of the buffer pad 16 at the bottom of the mounting bracket 1.

[0027] Preferably, the guide block 14 is a T-shaped integrated structure, and its shape and size are adapted to the guide groove 15.

[0028] In practical use, the guide block 14 connected to the bottom horizontal end surface of the mounting bracket 1 is precisely aligned with the top of the guide groove 15 opened in the inner wall of the buffer pad 16, and then the guide groove 15 is fitted onto the surface of the guide block 14 from below the mounting bracket 1.

[0029] Working principle: Before installing the mounting bracket 1 on the cage or other lifting container, the guide block 14 connected to the bottom horizontal end surface of the mounting bracket 1 is precisely aligned with the top of the guide groove 15 opened in the inner wall of the buffer pad 16. Then, from below the mounting bracket 1, the guide groove 15 is fitted onto the surface of the guide block 14, and the buffer pad 16 is pulled upward until the bottom of the inner wall of the buffer pad 16 abuts against the bottom of the mounting bracket 1, so that the buffer pad 16 can be completely fitted onto the horizontal end surface of the mounting bracket 1. Then, the circular through groove on the surface of the connecting ear 17 is fitted onto the surface of the limiting sleeve 18 to fix the position of the buffer pad 16 at the bottom of the mounting bracket 1. At this time, the bottom of the buffer pad 16 abuts against the top of the cage or other lifting container to provide flexible buffering between the two contact surfaces and avoid wear caused by mutual friction when directly rigidly contacting each other. Then, the mounting bracket 1 is installed above the lifting container and the rolling friction between the roller assembly 3 and the tank channel is used to guide the lifting container. After long-term use, the machine is stopped so that the roller assembly 3 stops running. At this time, hold the handle on the surface of the threaded sleeve 13 and rotate the threaded sleeve 13 counterclockwise at the intersection of the first fixed rod 10 and the second fixed rod 12 and the first protective sleeve 6 and the second protective sleeve 9. This will cause the threaded parts on the surface and inner wall of the threaded sleeve 13 to unscrew and disengage. At this time, hold the outer walls on both sides of the first protective sleeve 6 and the second protective sleeve 9 and pull the first protective sleeve 6 and the second protective sleeve 9 to both sides. This will cause the slot 7 and the insert rod 8 that are inserted together to separate. The first protective sleeve 6 and the second protective sleeve 9 that are sleeved on the surface of the roller assembly 3 can be removed and replaced to avoid the wear of the first protective sleeve 6 and the second protective sleeve 9 affecting the connection stability with the lifting container. Then, take new first protective sleeve 6 and second protective sleeve 9, and insert the plug 8 connected to the open end of the two into the slot 7 opened at the open end of the other. Before the inner wall of the first protective sleeve 6 and the second protective sleeve 9 is about to abut against the surface of the roller assembly 3, the limiting rod 5 of the inner wall of the first protective sleeve 6 and the second protective sleeve 9 is first inserted into the limiting groove 4, thereby guiding the position of the first protective sleeve 6 and the second protective sleeve 9 on the surface of the roller assembly 3 until the open ends of the first protective sleeve 6 and the second protective sleeve 9 abut together. At this time, the first fixing rod 10 and the cross rod 11 connected to the open end of the second protective sleeve 9 abut against and are inserted into the circular groove on the surface of the second fixing rod 12, thereby fixing the two to fit tightly. Then, the thread structure on the surface of the threaded sleeve 13 is used to thread the first fixing rod 10 and the second fixing rod 12 to fix the connection of the first protective sleeve 6 and the second protective sleeve 9, so as to quickly replace the worn first protective sleeve 6 and the second protective sleeve 9, so as not to reduce the efficiency of mining work. The buffer pad 16 is made of wear-resistant polyurethane, which has excellent elastic recovery and resistance to permanent compression deformation. It can effectively absorb the vibration at the connection between the mounting bracket 1 and the lifting container, avoid the impact transmission caused by rigid collision, and has the characteristics of wear resistance, oil resistance and resistance to mining dust erosion. In addition, both the connecting ear 17 and the limiting sleeve 18 are made of nitrile rubber, which has excellent wear resistance, oil resistance, good heat resistance, high tensile stress, tensile strength and hardness, corrosion resistance and tear resistance.

[0030] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A roller can ear with a buffer mechanism, including a mounting bracket (1), characterized in that: A buffer assembly (2) is installed on the transverse end surface of the mounting bracket (1), a roller assembly (3) is installed on the surface of the mounting bracket (1), a limiting groove (4) is formed on the surface of the roller assembly (3), a limiting rod (5) is inserted into the surface of the limiting groove (4), the other side surface of the limiting rod (5) is connected to the inner wall of the first protective sleeve (6), a slot (7) is formed on the open end surface of the first protective sleeve (6), a plug rod (8) is inserted into the surface of the slot (7), the surface of the plug rod (8) is connected to the surface of the second protective sleeve (9), a slot (7) is formed on the other side surface of the second protective sleeve (9), and the second protective sleeve (9) The surface of the opening end of the first protective sleeve (6) abuts against the surface of the opening end of the second protective sleeve (9). The first fixing rod (10) is connected in the semi-circular groove on the surface of the second protective sleeve (9). The surface of the first fixing rod (10) is connected to the crossbar (11). The crossbar (11) is inserted into the circular groove on the surface of the second fixing rod (12). The surface of the second fixing rod (12) is connected to the surface of the first protective sleeve (6). The surfaces of the first fixing rod (10) and the second fixing rod (12) are threadedly connected to the threaded sleeve (13). The surface of the threaded sleeve (13) is threadedly connected to the circular threaded groove at the intersection of the first protective sleeve (6) and the second protective sleeve (9).

2. The roller can ear with a buffer mechanism according to claim 1, characterized in that: The limiting groove (4) is a circular groove, and its shape and size are adapted to the limiting rod (5). The two sets of limiting grooves (4) are symmetrically distributed at equal intervals on the surface of the roller assembly (3).

3. The roller can ear with a buffer mechanism according to claim 1, characterized in that: The second fixing rod (12) has a circular groove on its surface, the shape and size of which are adapted to the crossbar (11).

4. The roller can ear with a buffer mechanism according to claim 1, characterized in that: The threaded sleeve (13) has a double-layer threaded structure. The shape and size of the inner wall thread are adapted to the threaded structure at the intersection of the first fixed rod (10) and the second fixed rod (12). The shape and size of the outer wall threaded structure of the threaded sleeve (13) are adapted to the threaded grooves on the surface of the first protective sleeve (6) and the second protective sleeve (9).

5. The roller can ear with a buffer mechanism according to claim 4, characterized in that: The bottom horizontal end surface of the mounting bracket (1) is connected to a guide block (14), the surface of the guide block (14) is inserted into a guide groove (15), the guide groove (15) is opened on the inner wall of the buffer pad (16), and the top surface of the buffer pad (16) is bonded with a connecting ear (17).

6. The roller can ear with a buffer mechanism according to claim 5, characterized in that: The surface of the connecting ear (17) is sleeved on the surface of the limiting sleeve (18), and the bottom surface of the limiting sleeve (18) is connected to the top of the horizontal end of the mounting bracket (1).

7. The roller can ear with a buffer mechanism according to claim 5, characterized in that: The guide block (14) is a "T" shaped integrated structure, and its shape and size are adapted to the guide groove (15).

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