Mining cage curtain door in-place self-locking device

Abstract

The utility model discloses a mine cage curtain door in-place self-locking device which comprises side columns and a top plate fixed between the tops of the side columns, lifting rods are longitudinally arranged and distributed between the side columns, connecting assemblies are connected between the lifting rods in a supporting mode, lifting side grooves are formed in the inner sides of the side columns, and the lifting side grooves are connected with the top plate. The two ends of the lifting rod are embedded into the lifting side grooves in a sliding mode. By means of the designed traction mechanism, the lifting rod can ascend and descend, so that the cage curtain door is opened and closed, when the cage curtain door is opened, the lifting rod can be pulled upwards through a steel cable, a clamping rod is pulled by the steel cable to contract and be separated from the interior of a clamping groove, the cage curtain door is unlocked, opening can be conducted, and after the cage curtain door is closed, the cage curtain door is closed. When the cage curtain door is closed, the steel cable does not pull the clamping rod any more, the clamping rod is pushed by the spring to reset and is automatically inserted into the clamping groove, self-locking of the cage curtain door is completed, and through the structural design, the cage curtain door can be automatically locked when closed, and personnel do not need to additionally conduct locking operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of tank curtain doors, and in particular relates to a self-locking device for a mine tank curtain door in place. Background Art

[0002] In mining operations, the cage is responsible for lifting personnel, gangue, coal and various equipment, and plays an extremely important role. The cage curtain door is a structure arranged on the cage to ensure the safety of personnel. After searching, a mine curtain door is recorded in the Chinese patent application with application number CN202223289664.3. In this patent, the lowered curtain door is locked by cooperating with the designed cylinder and block.

[0003] However, the above patent has certain shortcomings during use. The locking of the tank curtain door by the block and the closing of the tank curtain door are two different operations. After the tank curtain door is closed, it cannot be self-locking. It is necessary for personnel to start the cylinder before the tank curtain door can be locked. This design is prone to operation omissions, that is, it is easy for personnel to fail to start the cylinder in time after the tank curtain door is closed, which will pose a safety hazard. Therefore, it is necessary to design a new tank curtain door self-locking device to solve this problem. Utility Model Content

[0004] The utility model aims to provide a self-locking device for a mine tank curtain door in position, so as to solve the problem that the tank curtain door in the cited patent proposed in the above background technology cannot be self-locked after closing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-locking device for a mining tank curtain door in place, comprising a side column and a top plate fixed between the tops of the side columns, wherein lifting rods are longitudinally arranged and distributed between the side columns, and a connecting component is supported and connected between each of the lifting rods, a lifting side groove is opened on the inner side of the side column, and both ends of the lifting rod are slidably embedded in the interior of the lifting side groove, and a traction mechanism is arranged at the bottom of both ends of the top plate, and the traction mechanism includes a winch and a steel cable, the steel cable slides through the lifting rod, and a self-locking component is connected between the bottom end and the lowest lifting rod, and the self-locking component includes an installation groove, a clamping rod, a connecting groove, a clamping groove and a spring, the installation groove is opened at both ends of the lifting rod, the clamping rod is slidably arranged inside the installation groove, and the outer end is inserted into the interior of the clamping groove opened on the inner wall of the lifting side groove, the connecting groove is opened on one side of the installation groove, the bottom end of the steel cable passes through the connecting groove and is fixedly connected to the end of the clamping rod, and the spring is arranged inside the installation groove.

[0006] Preferably, the top cross-section of the connecting groove is arc-shaped, and the two ends of the spring are respectively abutted against the clamping rod and the mounting groove.

[0007] Preferably, the traction mechanism also includes a receiving groove and a through groove, the receiving groove is opened at the top of the lifting side groove, the output shaft of the winch extends into the receiving groove and is connected with the steel cable, and the steel cable passes through the through groove opened between the receiving groove and the lifting side groove.

[0008] Preferably, a guide assembly is provided inside the lifting side groove, and the guide assembly includes a guide rod and a sliding hole.

[0009] Preferably, the guide rod is fixed between the upper and lower inner walls of the lifting side groove, the sliding hole is opened at the end of the lifting rod, and the guide rod slides through the sliding hole.

[0010] Preferably, the connecting assembly includes a movable connecting rod, a movable groove and a movable connecting block, the middle part of the movable connecting rod is cross-rotatably connected, the movable groove is opened on the surface opposite to the lifting rod, the movable connecting block is slidably arranged inside the movable groove, and the end of the movable connecting rod is rotatably connected to the movable connecting block.

[0011] Preferably, the connecting assembly further comprises an anti-slipping protrusion and an anti-slipping groove, wherein the anti-slipping protrusion is symmetrically fixed on both sides of the movable connecting block and is slidably connected to the anti-slipping groove formed on the inner wall of the movable groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Through the designed traction mechanism, the lifting rod can be raised and lowered to open and close the tank curtain door. When opening the tank curtain door, the lifting rod can be pulled upward by the steel cable, and the clamping rod is pulled by the steel cable to shrink and detach from the inside of the clamping slot. The lock of the tank curtain door is released and it can be opened. After the tank curtain door is closed, the steel cable no longer pulls the clamping rod, and the clamping rod is reset under the push of the spring and automatically inserted into the inside of the clamping slot to complete the self-locking of the tank curtain door. Through the design of the above structure, the tank curtain door can be automatically locked when closed, without the need for personnel to perform additional locking operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front cross-sectional view of the utility model;

[0015] Figure 2 For this utility model Figure 1 An enlarged schematic diagram of the self-locking component;

[0016] Figure 3 For this utility model Figure 1 An enlarged schematic diagram of the traction mechanism;

[0017] Figure 4 For this utility model Figure 1 An enlarged schematic diagram of the middle guide assembly;

[0018] Figure 5 For this utility model Figure 1 A magnified schematic diagram of the connecting components;

[0019] Figure 6 For this utility model Figure 5 A side sectional view of the movable connecting block;

[0020] In the figure: 100, side column; 200, top plate; 300, lifting rod; 400, lifting side groove; 500, traction mechanism; 501, winch; 502, storage groove; 503, steel cable; 504, through groove; 600, self-locking component; 601, installation groove; 602, clamping rod; 603, connecting groove; 604, clamping groove; 605, spring; 700, guide component; 701, guide rod; 702, sliding hole; 800, connecting component; 801, movable connecting rod; 802, movable groove; 803, movable connecting block; 804, anti-slip protrusion; 805, anti-slip groove. DETAILED DESCRIPTION

[0021] 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.

[0022] Example

[0023] See also Figures 1 to 6, is an embodiment of the utility model, and this embodiment provides a technical solution: a self-locking device for a mine tank curtain door in place, comprising a side column 100 and a top plate 200 fixed between the tops of the side columns 100, lifting rods 300 are longitudinally arranged and distributed between the side columns 100, and a plurality of lifting rods 300 are provided, and a connecting assembly 800 is supported and connected between each lifting rod 300 to movably connect each lifting rod 300, and a lifting side groove 400 is opened on the inner side of the side column 100, and the two ends of the lifting rod 300 are slidably embedded in the inside of the lifting side groove 400, and the ends of the lifting rod 300 The lifting side groove 400 can be lifted and slid inside. A traction mechanism 500 is provided at the bottom of both ends of the top plate 200 to pull the lifting rod 300. The traction mechanism 500 includes a winch 501 and a steel cable 503. The steel cable 503 slides through the lifting rod 300, and a self-locking component 600 is connected between the bottom end and the lowest lifting rod 300. When the winch 501 is started, the lifting rods 300 can be lifted one by one through the steel cable 503, so that the tank curtain door is opened. The self-locking component 600 includes an installation groove 601, a clamping rod 602, a connecting groove 603, and a clamping groove 603. 4 and spring 605, the installation groove 601 is opened at both ends of the lifting rod 300, the clamping rod 602 is slidably set inside the installation groove 601, and the outer end is inserted into the inside of the clamping groove 604 opened on the inner wall of the lifting side groove 400, locking the lowermost lifting rod 300, the connecting groove 603 is opened on one side of the installation groove 601, the bottom end of the steel cable 503 passes through the connecting groove 603 and is fixedly connected to the end of the clamping rod 602, the top cross-section of the connecting groove 603 is arc-shaped, which is more conducive to the sliding of the steel cable 503 inside the connecting groove 603, and the spring 605 is set inside the installation groove 601 The two ends of the spring 605 are respectively against the clamping rod 602 and the installation groove 601. When the steel cable 503 pulls the lifting rod 300, the clamping rod 602 will be pulled and disengaged from the inside of the clamping groove 604. The lock is contacted, and the lifting rod 300 can be raised normally. At this time, the spring 605 is compressed. After the tank curtain door is lowered, the lowest lifting rod 300 contacts the bottom of the lifting side groove 400. The steel cable 503 no longer pulls the clamping rod 602. The clamping rod 602 is reset under the action of the spring 605 and inserted into the inside of the clamping groove 604 to complete the self-locking of the tank curtain door.

[0024] In this embodiment, preferably, the traction mechanism 500 also includes a storage groove 502 and a through groove 504. The storage groove 502 is opened at the top of the lifting side groove 400. The output shaft of the winch 501 extends into the storage groove 502 and is connected with the steel cable 503. The steel cable 503 passes through the through groove 504 opened between the storage groove 502 and the lifting side groove 400. The winch 501 is started to rotate the output shaft, thereby continuously winding the steel cable 503, and finally storing the steel cable 503 into the storage groove 502.

[0025] In this embodiment, preferably, a guide assembly 700 is provided inside the lifting side groove 400 to play a guiding role. The guide assembly 700 includes a guide rod 701 and a sliding hole 702. The guide rod 701 is fixed between the upper and lower inner walls of the lifting side groove 400. The sliding hole 702 is opened at the end of the lifting rod 300. The guide rod 701 slides through the sliding hole 702, allowing the lifting rod 300 to be lifted and slid along the guide rod 701, thereby improving the sliding stability.

[0026] In this embodiment, preferably, the connecting component 800 includes a movable connecting rod 801, a movable groove 802 and a movable connecting block 803. The middle part of the movable connecting rod 801 is cross-rotatably connected to form a cross-shaped structure. The movable groove 802 is opened on the surface opposite to the lifting rod 300. The movable connecting block 803 is slidably arranged inside the movable groove 802. The end of the movable connecting rod 801 is rotatably connected to the movable connecting block 803. The two movable connecting rods 801 can rotate around the middle part to adapt to the relative lifting and lowering movement between the lifting rods 300. The connecting component 800 also includes anti-slip protrusions 804 and anti-slip grooves 805. The anti-slip protrusions 804 are symmetrically fixed on both sides of the movable connecting block 803 and are slidably connected to the anti-slip grooves 805 opened on the inner wall of the movable groove 802, thereby playing an anti-slip effect and preventing the movable connecting block 803 from falling off.

[0027] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-locking device for a mine tank curtain door, comprising a side column (100) and a top plate (200) fixed between the tops of the side columns (100), characterized in that: Lifting rods (300) are longitudinally arranged between the side columns (100), and connecting components (800) are supported and connected between the lifting rods (300). Lifting side grooves (400) are provided on the inner side of the side columns (100), and both ends of the lifting rods (300) are slidably embedded in the inside of the lifting side grooves (400). A traction mechanism (500) is provided at the bottom of both ends of the top plate (200), and the traction mechanism (500) includes a winch (501) and a steel cable (503). The steel cable (503) slides through the lifting rods (300), and a self-locking component (600) is connected between the bottom end and the lowest lifting rod (300). The self-locking component (600) comprises a mounting groove (601), a clamping rod (602), a connecting groove (603), a clamping groove (604) and a spring (605). The mounting groove (601) is provided at both ends of the lifting rod (300). The clamping rod (602) is slidably provided inside the mounting groove (601), and the outer end is inserted into the clamping groove (604) provided on the inner wall of the lifting side groove (400). The connecting groove (603) is provided on one side of the mounting groove (601). The bottom end of the steel cable (503) passes through the connecting groove (603) and is fixedly connected to the end of the clamping rod (602). The spring (605) is provided inside the mounting groove (601).

2. The self-locking device for a mine tank curtain door according to claim 1 is characterized in that: The top cross-section of the connecting groove (603) is arc-shaped, and the two ends of the spring (605) are respectively abutted against the clamping rod (602) and the installation groove (601).

3. The self-locking device for a mine tank curtain door according to claim 1 is characterized in that: The traction mechanism (500) further comprises a receiving groove (502) and a through groove (504); the receiving groove (502) is provided at the top of the lifting side groove (400); the output shaft of the hoist (501) extends into the receiving groove (502) and is wound and connected with the steel cable (503); the steel cable (503) passes through the through groove (504) provided between the receiving groove (502) and the lifting side groove (400).

4. The self-locking device for a mine tank curtain door according to claim 1 is characterized in that: A guide assembly (700) is arranged inside the lifting side groove (400), and the guide assembly (700) comprises a guide rod (701) and a sliding hole (702).

5. The self-locking device for a mine tank curtain door according to claim 4 is characterized in that: The guide rod (701) is fixed between the upper and lower inner walls of the lifting side groove (400), the sliding hole (702) is opened at the end of the lifting rod (300), and the guide rod (701) slides through the sliding hole (702).

6. The self-locking device for a mine tank curtain door according to claim 1 is characterized in that: The connecting assembly (800) comprises a movable connecting rod (801), a movable groove (802) and a movable connecting block (803); the middle part of the movable connecting rod (801) is cross-rotatably connected; the movable groove (802) is provided on a surface opposite to the lifting rod (300); the movable connecting block (803) is slidably arranged inside the movable groove (802); and the end of the movable connecting rod (801) is rotatably connected to the movable connecting block (803).

7. The self-locking device for a mine tank curtain door according to claim 6 is characterized in that: The connection assembly (800) further comprises an anti-slipping protrusion (804) and an anti-slipping groove (805); the anti-slipping protrusion (804) is symmetrically fixed on both sides of the movable connection block (803) and is slidably connected to the anti-slipping groove (805) provided on the inner wall of the movable groove (802).

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