Novel belt conveyor extending and pulling device

Abstract

According to the novel belt conveyor extending and pulling device, the left end and the right end of a back plate are each provided with a set of fixing pins, a set of sliding blocks are assembled on the sides, close to the fixing pins, of a set of sliding rails, a sliding rod is fixedly connected to the set of sliding blocks, and one end of a hydraulic jack is connected to the sliding rod; the other end of the hydraulic jack is connected with one end of a high-pressure rubber hose, and one end of the high-pressure rubber hose is fixedly connected with a hydraulic oil pump; one side of the hydraulic oil pump is connected with a cable, the hydraulic oil pump is connected with an electric hydraulic control device, an operation handle is installed on the upper side of the electric hydraulic control device, the other end of the cable is connected with a driving motor, and the driving motor is connected with a roller. The device solves the problem that the tail of the belt conveyor is difficult to pull and move by the slope roadheader, improves the operation safety of personnel, improves the production efficiency, liberates labor force, and is reliable in structure, convenient to operate and wide in applicability.

Description

Technical Field

[0001] The utility model relates to a mine excavation device, in particular to a novel belt conveyor extension and pulling device. Background Art

[0002] At present, the coal mining face uses a comprehensive excavator to break coal, and a belt conveyor is used to transport coal. As the working face moves forward, before each shift, the steel wire rope fixed to the rear support tripod of the comprehensive excavator is first used to pull and move the tail of the belt conveyor. The tail of the belt conveyor and the guide rail move forward together. After moving to the appropriate position, the position of the tail of the belt conveyor is adjusted to ensure that the belt conveyor runs straight, and the formal excavation operation begins. However, when the slope of the tunnel is large, the traditional device has difficulty in climbing the tail of the belt conveyor and the guide rail of the comprehensive excavator; and after the tail of the belt conveyor is extended and pulled, the belt conveyor deviates seriously, and personnel need to adjust the deviation of the tail of the belt conveyor, which poses a risk of injury from the belt; extending and pulling the tail of the belt conveyor and the guide rail requires the cooperation of multiple people, which can easily cause safety accidents when the cooperation is improper or the signal is unclear.

[0003] Therefore, there is an urgent need for a new type of belt conveyor extension and pulling device to solve the difficulty of towing and pulling the tail of the belt conveyor of the slope tunneling machine, improve the safety of personnel operation, improve production efficiency and liberate labor. Summary of the invention

[0004] A new type of belt conveyor extension and pulling device solves the difficulty of pulling and moving the tail of the belt conveyor of a sloped comprehensive excavator, improves the safety of personnel operation, improves production efficiency and liberates labor. It has a reliable structure, is easy to operate and has a wide applicability.

[0005] A novel belt conveyor extension and pulling device comprises a back plate and slide rails fixedly mounted on both sides of the back plate, wherein:

[0006] A group of fixing pins are respectively arranged at the left and right ends of the back plate, a group of sliding blocks are equipped at one side of the sliding rails close to the fixing pins, a group of sliding blocks are fixedly connected to a sliding rod, the sliding rod is connected to one end of a hydraulic jack, the other end of the hydraulic jack is connected to one end of a high-pressure hose, and one end of the high-pressure hose is fixedly connected to a hydraulic oil pump;

[0007] A cable is connected to one side of the hydraulic oil pump, the hydraulic oil pump is electrically connected to the electro-hydraulic control device, an operating handle is installed on the upper side of the electro-hydraulic control device, the other end of the cable is connected to the drive motor, the drive motor is connected to the drum, one end of the traction wire rope is wound around the drum, the traction wire rope passes through the second pulley and is connected to the first pulley, and the first pulley is fixedly installed on one side of the back plate;

[0008] The second pulley is fixedly mounted on a connecting bracket, and a group of connecting pins is provided on one side of the connecting bracket.

[0009] Preferably, a group of limit blocks are provided on the side of the slide rail close to the hydraulic oil pump.

[0010] Preferably, anti-wear pads are provided under the first pulley and the second pulley.

[0011] Preferably, the first pulley is located lower than the sliding rod.

[0012] Preferably, the electro-hydraulic control device, hydraulic oil pump, drive motor and roller are all fixedly connected to the back plate.

[0013] The beneficial effects of the utility model: the utility model provides a new belt conveyor extension and pulling device, which can realize the parallel operation of the extended belt conveyor tail and the working face support, making the device more efficient; after using the device, many unsafe factors caused by extending the belt conveyor tail are reduced, ensuring safe production, reducing the number of frequent starts of the comprehensive excavation machine, and effectively reducing equipment failures caused by frequent starts of the comprehensive excavation machine; and the device has a reliable structure and is easy to operate, which effectively reduces the operating cost and greatly enhances its practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic diagram of a novel belt conveyor extending and pulling device.

[0015] In the figure: back plate 1, slide rail 2, fixing pin 3, slider 4, sliding rod 5, hydraulic jack 6, high-pressure hose 7, hydraulic oil pump 8, cable 9, drive motor 10, drum 11, operating handle 12, traction wire rope 13, second pulley 14, first pulley 15, connecting bracket 16, connecting pin 17, limit block 18, electro-hydraulic control device 19. DETAILED DESCRIPTION

[0016] In order to make the technical solution of the present utility model easier to understand, the technical solution of the present utility model is now clearly and completely described in the form of specific embodiments in combination with the accompanying drawings.

[0017] Embodiment 1:

[0018] like Figure 1 As shown, in this embodiment Figure 1 The utility model is a novel belt conveyor extension and pulling device, comprising a back plate 1 and slide rails 2 fixedly mounted on both sides of the back plate 1, wherein:

[0019] A set of fixing pins 3 are respectively arranged at the left and right ends of the back plate 1, a set of sliding blocks 4 are equipped at one side of the slide rails 2 close to the fixing pins 3, a set of sliding blocks 4 are fixedly connected to a sliding rod 5, the sliding rod 5 is connected to one end of a hydraulic jack 6, the other end of the hydraulic jack 6 is connected to one end of a high-pressure hose 7, and one end of the high-pressure hose 7 is fixedly connected to a hydraulic oil pump 8;

[0020] A cable 9 is connected to one side of the hydraulic oil pump 8, and the hydraulic oil pump 8 is connected to an electro-hydraulic control device 19, an operating handle 12 is installed on the upper side of the electro-hydraulic control device 19, and the other end of the cable 9 is connected to a drive motor 10, and the drive motor 10 is connected to a drum 11, and one end of a traction wire rope 13 is wound around the drum 11, and the traction wire rope 13 passes through a second pulley 14 and is connected to a first pulley 15, and the first pulley 15 is fixedly installed on one side of the back plate 1;

[0021] The second pulley 14 is fixedly mounted on a connecting bracket 16 , and a group of connecting pins 17 is provided on one side of the connecting bracket 16 .

[0022] A set of limit blocks 18 is provided on one side of the slide rail 2 close to the hydraulic oil pump 8 .

[0023] Anti-wear pads are provided under the first pulley 15 and the second pulley 14 .

[0024] The first pulley 15 is located lower than the sliding rod 5 .

[0025] The electro-hydraulic control device 19 , the hydraulic oil pump 8 , the drive motor 10 and the roller 11 are all fixedly connected to the back plate 1 .

[0026] When the device is in use, the excavator is retreated to the tail of the belt conveyor, the excavator is stopped and locked, and the connecting pin 17 on the connecting bracket 16 of the device is connected to the excavator, the fixing pin 3 is connected to the tail of the belt conveyor, and the personnel hang the traction wire rope 13 on the second pulley 14 at the tail of the belt conveyor, and start the excavator again. The excavator moves forward to a suitable position and stops, and the electro-hydraulic control device 19 is turned on to start the hydraulic oil pump 8 to drive the drive motor 10 to start working. The drive motor 10 causes the drum to start winding the traction wire rope 13, and the tail of the traction belt conveyor moves forward. When the tail is pulled to a suitable position, the pulling and moving is stopped, and then the hydraulic jack 6 is operated, and the belt conveyor is adjusted by the sliding rod 5 and the high-pressure hose 7 connected thereto to ensure that the belt is in a straight line. Finally, after confirming that the belt conveyor is correct, the drive motor 10 is operated to loosen the traction wire rope 13, and the traction wire rope 13 is removed from the second pulley 14. The traction wire rope 13 is wound around the drum 11, and the excavation operation begins. At the same time, the handle of the belt conveyor tail extension and pulling device is placed in the zero position and locked, the hydraulic pipelines are arranged neatly, and the device is ensured to be intact during the cutting operation of the multi-purpose excavator.

[0027] It should be noted that the embodiments described herein are only partial embodiments of the present invention, rather than all implementations of the present invention, and the embodiments are only exemplary, and their role is only to provide a more intuitive and clear way to understand the content of the present invention, rather than to limit the technical solutions described in the present invention. Without departing from the concept of the present invention, all other implementation methods that ordinary technicians in the field can think of without creative work, and other simple replacements and various changes to the technical solutions of the present invention, all belong to the protection scope of the present invention.

Claims

1. A new belt conveyor extension and pulling device, characterized in that: It comprises a back plate (1) and slide rails (2) fixedly mounted on both sides of the back plate (1), wherein: A group of fixing pins (3) are respectively arranged at the left and right ends of the back plate (1); a group of sliding blocks (4) are arranged on one side of the sliding rail (2) close to the fixing pins (3); a sliding rod (5) is fixedly connected to the sliding block (4); the sliding rod (5) is connected to one end of a hydraulic jack (6); the other end of the hydraulic jack (6) is connected to one end of a high-pressure hose (7); the other end of the high-pressure hose (7) is fixedly connected to a hydraulic oil pump (8); A cable (9) is connected to one side of the hydraulic oil pump (8), the other end of the cable (9) is connected to a drive motor (10), the hydraulic oil pump (8) is electrically connected to an electro-hydraulic control device (19), an operating handle (12) is installed on the upper side of the electro-hydraulic control device (19), the power output end of the drive motor (10) is connected to a drum (11), one end of a traction wire rope (13) is wound around the drum (11), the other end of the traction wire rope (13) passes through a second pulley (14) and is connected to a first pulley (15), and the first pulley (15) is fixedly installed on one side of the back plate (1); The second pulley (14) is fixedly mounted on a connecting bracket (16), and a group of connecting pins (17) is provided on one side of the connecting bracket (16).

2. A novel belt conveyor extension and pulling device as claimed in claim 1, characterized in that: A set of limit blocks (18) is provided on one side of the slide rail (2) close to the hydraulic oil pump (8).

3. A novel belt conveyor extension and pulling device as claimed in claim 1, characterized in that: Anti-wear pads are provided under the first pulley (15) and the second pulley (14).

4. A novel belt conveyor extension and pulling device as claimed in claim 1, characterized in that: The first pulley (15) is located lower than the sliding rod (5).

5. A novel belt conveyor extension and pulling device as claimed in claim 1, characterized in that: The electro-hydraulic control device (19), the hydraulic oil pump (8), the drive motor (10) and the roller (11) are all fixedly connected to the back plate (1).

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