Hinge structure

Abstract

The utility model discloses a hinging structure, which relates to the technical field of mine car hinging and comprises a fixed seat fixed on a mine car, a movable seat rotationally connected with an inner cavity of the fixed seat, a connecting rod rotationally connected with one end of the movable seat, and a limiting mechanism arranged on the movable seat, the limiting mechanism is used for quickly connecting and disconnecting the movable seat and the connecting rod; the limiting mechanism comprises a guide unit and a transmission unit; the transmission unit is used for providing thrust for movement of the guide unit; and the guide unit is used for releasing the limiting of the connecting rod when the guide unit is subjected to external thrust. According to the utility model, the limiting mechanism is arranged to limit the connection of the connecting rod and the movable seat, so that the connecting rod and the movable seat can be quickly mounted and separated, two mine cars can be quickly connected to transport materials when more mine cars are required to transport the materials, and the two mine cars can be conveniently separated when more mine cars are not required; and the working efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mine car articulation, in particular to an articulated structure. Background Art

[0002] Special vehicles for mine rail transportation. In order to adapt to the narrow conditions of underground tunnels, the appearance and size are compact, including trucks, man-carriages, material cars, etc. Mine cars are narrow-gauge railway transport vehicles for transporting bulk materials such as coal, ore and waste rock in mines, and generally need to be towed by locomotives or winches.

[0003] In the prior art, the connection method of mine cars is generally articulated, which is convenient for connecting and installing multiple mine cars. When the transport volumes to be transported are different, more mine cars need to be connected to ensure transportation efficiency. In order to further improve work efficiency and facilitate rapid installation and connection between mine cars, the utility model proposes an articulated structure. Utility Model Content

[0004] The purpose of the utility model is to provide a hinge structure in order to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: an articulated structure, comprising a fixed seat fixed on a mine car, the inner cavity of the fixed seat is rotatably connected to a movable seat, one end of the movable seat is rotatably connected to a connecting rod, and a limiting mechanism is arranged on the movable seat, the limiting mechanism is used for the quick connection and separation of the movable seat and the connecting rod;

[0006] The limiting mechanism includes a guide unit and a transmission unit;

[0007] The transmission unit is used to provide thrust for the movement of the guide unit;

[0008] The guide unit is used to release the limit on the connecting rod when subjected to external thrust.

[0009] As a further solution of the utility model: the transmission unit includes a limit ring, a connecting block, a guide rod, a synchronization ring, and a limit block;

[0010] The limiting ring is vertically slidably installed in the inner cavity of the end of the movable seat, and the limiting ring is used to limit the end of the connecting rod;

[0011] The connecting block is fixed to the outer wall of the limiting ring, and the connecting block is used to drive the limiting ring to move synchronously;

[0012] The guide rod is axially slidably installed in the inner cavity of the movable seat, and the guide rod is used to synchronously drive the synchronous ring to move;

[0013] The synchronizer ring is fixed on the outer wall of the guide rod and surrounds the outer side of the movable seat, and the synchronizer ring is used to synchronously drive the other guide rod to move;

[0014] The limit block vertically slides through the guide rod and extends to the inside of the movable seat, and the limit block is used to limit the axial movement of the guide rod.

[0015] As a further solution of the utility model: the guide unit includes a guide groove and a guide block;

[0016] The guide groove is provided on the inner side of the connecting block, and the guide groove is used to provide space for the guide block to enter;

[0017] The guide block is fixed on the outer wall of the guide rod and extends to the inner side of the guide groove. The guide block is used to give thrust to the guide groove during the movement.

[0018] As a further solution of the utility model: the outer wall of the guide groove is in an inclined state as a whole, and the outer wall of the guide block matches the inner cavity of the guide groove.

[0019] As a further solution of the utility model: the outer wall of the end of the connecting rod is a spherical structure, and the inner cavity of the movable seat matches the end of the connecting rod.

[0020] As a further solution of the utility model: the inner side of the limit ring matches the end of the connecting rod, and the limit ring is located on one side of the axis of the spherical end of the movable seat.

[0021] As a further solution of the utility model: the limit block is located at the top end of the connecting rod, the top end of the connecting rod is provided with a limit groove for inserting the limit block, and the top end of the limit block is formed with a counterweight block for increasing the weight of the limit block.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] By setting a limit mechanism, a limit is provided for the connection between the connecting rod and the movable seat, so that the connecting rod and the movable seat can be quickly installed and detached. When more mine cars are needed for material transportation, two mine cars can be quickly connected to transport materials. When more mine cars are not needed, they can be easily separated, which further improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 It is a structural schematic diagram of the limiting mechanism of the utility model;

[0026] Figure 3It is a structural schematic diagram of the guide block and guide groove of the utility model.

[0027] In the figure: 1, fixed seat; 2, movable seat; 3, connecting rod; 4, limiting mechanism; 401, limiting ring; 402, connecting block; 403, guide rod; 404, synchronous ring; 405, limiting block; 406, guide groove; 407, guide block. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-Figure 3 In the embodiment of the utility model, an articulated structure includes a fixed seat 1 fixed on the mine car, the inner cavity of the fixed seat 1 is rotatably connected to a movable seat 2, one end of the movable seat 2 is rotatably connected to a connecting rod 3, and a limiting mechanism 4 is arranged on the movable seat 2, and the limiting mechanism 4 is used for the quick connection and separation of the movable seat 2 and the connecting rod 3;

[0030] The limiting mechanism 4 includes a guide unit and a transmission unit;

[0031] The transmission unit is used to provide thrust for the movement of the guide unit;

[0032] The guide unit is used to release the limit of the connecting rod 3 when it is subjected to external thrust;

[0033] The transmission unit includes a limit ring 401, a connecting block 402, a guide rod 403, a synchronization ring 404, and a limit block 405;

[0034] The limiting ring 401 is vertically slidably installed in the inner cavity of the end of the movable seat 2, and the limiting ring 401 is used to limit the end of the connecting rod 3;

[0035] The connecting block 402 is fixed to the outer wall of the limiting ring 401, and the connecting block 402 is used to drive the limiting ring 401 to move synchronously;

[0036] The guide rod 403 is axially slidably installed in the inner cavity of the movable seat 2, and the guide rod 403 is used to synchronously drive the synchronization ring 404 to move;

[0037] The synchronizer ring 404 is fixed to the outer wall of the guide rod 403 and surrounds the outer side of the movable seat 2. The synchronizer ring 404 is used to synchronously drive the other guide rod 403 to move;

[0038] The limit block 405 vertically slides through the guide rod 403 and extends to the inside of the movable seat 2. The limit block 405 is used to limit the axial movement of the guide rod 403.

[0039] The guide unit includes a guide groove 406 and a guide block 407;

[0040] The guide groove 406 is provided on the inner side of the connecting block 402, and the guide groove 406 is used to provide space for the guide block 407 to enter;

[0041] The guide block 407 is fixed to the outer wall of the guide rod 403 and extends to the inner side of the guide groove 406 . The guide block 407 is used to give thrust to the guide groove 406 during the movement.

[0042] In this embodiment: when it is necessary to increase the number of mine cars to improve the efficiency of material transportation, an upward pulling force can be applied to the limit block 405, and the limit block 405 will be forced to move upward, and the bottom of the limit block 405 moving upward will be separated from the limit groove at the top of the connecting rod 3. At this time, a thrust is applied to the limit block 405, so that the limit block 405 drives the guide rod 403, and the guide rod 403 moves axially synchronously. The movement of the guide rod 403 will synchronously drive the guide block 407 of the outer wall to move, so that the guide block 407 gives a thrust to the inner cavity of the guide groove 406, and the inclined guide groove 406 is forced to drive the connecting block 402 to move upward synchronously with another connecting block 402 move away from each other, so that the limit ring 401 fixed at one end of the connecting block 402 also moves away from each other. At this time, the spherical end of the connecting rod 3 can be connected to the port of the movable seat 2. At this time, a backward pulling force can be given to the limit block 405 to reset the limit block 405. The reset limit block 405 will simultaneously drive the limit ring 401 back to its original position, so that the limit ring 401 is stuck on one side of the axis of the spherical end of the connecting rod 3, and the end of the connecting rod 3 is limited, so that the connecting rod 3 can rotate in the end cavity of the movable seat 2 without being able to detach. The operation is convenient and it is easy to quickly connect the connecting rod 3 and the movable seat 2, further improving the work efficiency.

[0043] Please refer to Figure 1-Figure 3 The outer wall of the guide groove 406 is inclined as a whole, the outer wall of the guide block 407 matches the inner cavity of the guide groove 406, the outer wall of the end of the connecting rod 3 is a spherical structure, the inner cavity of the movable seat 2 matches the end of the connecting rod 3, the inner side of the limit ring 401 matches the end of the connecting rod 3, the limit ring 401 is on one side of the axis of the spherical end of the movable seat 2, the limit block 405 is at the top of the connecting rod 3, and the top of the connecting rod 3 is provided with a limit groove for inserting the limit block 405, and the top of the limit block 405 is formed with a counterweight block for increasing the weight of the limit block 405.

[0044] In this embodiment: through this structure, when the limit block 405 is forced to drive the synchronous ring 404 to move synchronously, the two guide rods 403 connected to the synchronous ring 404 will also move synchronously, so that the two guide blocks 407 synchronously give thrust to the two guide grooves 406, so that the two limit rings 401 and the connecting block 402 move away from or close to each other.

[0045] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An articulated structure, comprising a fixed seat (1) fixed on a mining car, wherein the inner cavity of the fixed seat (1) is rotatably connected to a movable seat (2), and one end of the movable seat (2) is rotatably connected to a connecting rod (3), characterized in that: A limiting mechanism (4) is arranged on the movable seat (2), and the limiting mechanism (4) is used for the quick connection and disconnection of the movable seat (2) and the connecting rod (3); The limiting mechanism (4) comprises a guiding unit and a transmission unit; The transmission unit is used to provide thrust for the movement of the guide unit; The guide unit is used to release the limit on the connecting rod (3) when subjected to external thrust.

2. A hinge structure according to claim 1, characterized in that: The transmission unit comprises a limiting ring (401), a connecting block (402), a guide rod (403), a synchronizing ring (404), and a limiting block (405); The limiting ring (401) is vertically slidably mounted in the inner cavity of the end of the movable seat (2), and the limiting ring (401) is used to limit the end of the connecting rod (3); The connecting block (402) is fixed on the outer wall of the limiting ring (401), and the connecting block (402) is used to drive the limiting ring (401) to move synchronously; The guide rod (403) is axially slidably mounted in the inner cavity of the movable seat (2), and the guide rod (403) is used to synchronously drive the synchronization ring (404) to move; The synchronizer ring (404) is fixed on the outer wall of the guide rod (403) and surrounds the outer side of the movable seat (2), and the synchronizer ring (404) is used to synchronously drive another guide rod (403) to move; The limit block (405) vertically slides through the guide rod (403) and extends to the inside of the movable seat (2), and the limit block (405) is used to limit the axial movement of the guide rod (403).

3. A hinge structure according to claim 2, characterized in that: The guide unit comprises a guide groove (406) and a guide block (407); The guide groove (406) is provided on the inner side of the connecting block (402), and the guide groove (406) is used to provide space for the guide block (407) to enter; The guide block (407) is fixed on the outer wall of the guide rod (403) and extends to the inner side of the guide groove (406). The guide block (407) is used to give thrust to the guide groove (406) during the movement process.

4. A hinge structure according to claim 3, characterized in that: The outer wall of the guide groove (406) is in an inclined state as a whole, and the outer wall of the guide block (407) matches the inner cavity of the guide groove (406).

5. The hinge structure according to claim 1, characterized in that: The outer wall of the end of the connecting rod (3) is in a spherical structure, and the inner cavity of the movable seat (2) matches the end of the connecting rod (3).

6. The hinge structure according to claim 2, characterized in that: The inner side of the limiting ring (401) matches the end of the connecting rod (3), and the limiting ring (401) is located on one side of the axis of the spherical end of the movable seat (2).

7. The hinge structure according to claim 2, characterized in that: The limit block (405) is located at the top end of the connecting rod (3); a limit groove for inserting the limit block (405) is provided at the top end of the connecting rod (3); and a counterweight block for increasing the weight of the limit block (405) is formed at the top end of the limit block (405).

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