A top-hung suspended rail conveyor system

Abstract

The utility model belongs to the technical field of tool transportation in underground roadway, specifically relates to a roof suspension type overhead rail conveying system, including slide, sliding trolley, the slide is fixed on the roadway roof with anchor rod, the sliding trolley is hung on the slide, and can freely slide along the slide, the sliding trolley is connected with the lifting hook, the installation of the overhead rail conveying system of the utility model is put into operation, solves the difficult problem of transportation in the serious section influenced by mine pressure and complex conditions of near horizontal roadway, develops a brand-new transportation mode, and lays a solid foundation for the material transportation of roadway maintenance.

Description

Technical Field

[0001] This utility model belongs to the field of tool transportation technology in underground roadways, and specifically relates to a roof-suspended rail conveying system. Background Technology

[0002] During coal mining, the main roadway in the panel serves as a crucial transportation and ventilation channel, frequently subjected to both mine pressure and mining activity. These effects lead to severe deformation in localized sections of the roadway, such as roof subsidence, wall indentation, and floor bulging, significantly impacting the roadway's normal use and safety. To ensure the roadway's cross-section meets production and safety requirements, a series of roadway repair operations, including roof lifting, wall widening, and floor removal, must be carried out.

[0003] However, due to severe roadway deformation, existing transportation systems often struggle to effectively transport the support materials (such as anchor bolts, anchor cables, and steel strips) needed for roadway repair to the work site. Traditional transportation methods, such as manual handling, are not only time-consuming and labor-intensive but also inefficient, significantly increasing labor intensity and costs, while also hindering the productivity of roadway repair operations. Especially in severely deformed roadways, manual handling of support materials faces numerous difficulties, such as walking difficulties and high safety risks, making it difficult to carry out roadway repair operations smoothly.

[0004] Therefore, given the shortcomings of existing transportation methods under conditions of severe roadway deformation, there is an urgent need for a transportation system that can adapt to complex roadway environments, is efficient and safe, to meet the transportation needs of support materials for roadway repair operations, improve production efficiency, reduce labor intensity, and ensure the safe and efficient operation of coal mining. Utility Model Content

[0005] This invention addresses the problem of transporting materials used for tunnel maintenance when conventional transportation is difficult due to severe tunnel deformation.

[0006] This utility model provides the following technical solution: a roof-suspended rail conveying system, including a slide rail and a sliding trolley; the slide rail is fixed to the roof of the roadway by anchor bolts; the sliding trolley is suspended on the slide rail and can slide freely along the slide rail; a hook is connected to the sliding trolley.

[0007] Furthermore, it also includes two sets of sliding trolley traction mechanisms, which are located on both sides of the sliding stroke of the sliding trolley. The sliding trolley traction mechanism includes a drum and a pneumatic motor. The pneumatic motor is used to drive the drum to rotate. The pull rope on the drum unfolds and connects to the sliding trolley. The two sets of sliding trolley traction mechanisms pull the sliding trolley in opposite directions.

[0008] Furthermore, the sliding trolley traction mechanism also includes a rope tensioning assembly; the rope tensioning assembly includes a cylinder, a piston, and a flywheel; the flywheel is coaxially mounted with the drum, and the piston is slidably assembled inside the cylinder to form an air chamber. When the air pressure inside the air chamber is the same as the external air pressure, the piston is in the neutral position, and the eccentric shaft on the flywheel is connected to the piston by a connecting rod.

[0009] Furthermore, anti-detachment limiters are installed at both ends of the sliding stroke of the trolley on the slide.

[0010] Furthermore, the drum and pneumatic motor are mounted on a suspended platform, which is fixed to the tunnel roof by anchor bolts.

[0011] Furthermore, bolts are inserted at both ends of the slide along its length, serving as anti-detachment limits.

[0012] Furthermore, a horizontal plate is fixed to the top surface of the slide, with both ends of the horizontal plate extending outwards, and the extended areas are connected to anchor rods.

[0013] Furthermore, the slide rail includes two channel steels welded back to back, the sliding trolley includes a bracket and two rows of bearings, the two rows of bearings are respectively located in the grooves of the two channel steels, the bracket is connected to the two rows of bearings below the slide rail, and the hook is connected to the bracket.

[0014] Compared with the prior art, the advantages of this utility model are:

[0015] This utility model provides a roof-suspended rail conveying system that cleverly avoids the deformation area of ​​the roadway floor by anchoring the slide rail to the stable rock strata of the roadway roof, effectively solving the technical problem of traditional transportation systems being constrained by floor bulging. The sliding trolley traction mechanism is equipped with a rope tensioning component to prevent the rope of the sliding trolley traction mechanism from unraveling when not in operation. The flywheel of the rope tensioning component rotates with the drum. When the flywheel rotates, it drives the piston to move in the cylinder through the connecting rod. The air chamber of the cylinder circulates between normal pressure, positive pressure, negative pressure, and positive pressure. Under negative and positive pressure conditions, the piston has a tendency to reset. Even if the air pressure in the air chamber tends to return to normal pressure, the piston applies a reverse torque to the drum through the connecting rod, which hinders the unfolding of the rope on the drum. After one rotation of the flywheel, the air pressure in the air chamber goes through one cycle and the air chamber returns to positive pressure. The resistance of the rope tensioning component does not increase with the increase of the unfolded length of the rope on the drum. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the top-slab suspended rail conveying system of Example 1;

[0017] Figure 2 This is a schematic diagram of the top-slab suspended rail conveying system of Example 2;

[0018] Figure 3 Schematic diagram of the tensioning assembly Figure 1;

[0019] Figure 4 Schematic diagram of the tensioning assembly Figure 2 .

[0020] In the diagram: 1-slide track; 2-sliding trolley; 3-anchor bolt; 4-hook; 5-drum; 6-pneumatic motor; 7-cylinder; 8-piston; 9-flywheel; 10-connecting rod; 11-suspension platform; 12-cross plate; 13-bolt; 14-pull rope. Detailed Implementation

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Example 1

[0023] like Figure 1 As shown: A roof-suspended rail conveying system includes a slide rail 1 and a sliding trolley 2; the slide rail 1 is fixed to the roof of the roadway by anchor bolts 3; the sliding trolley 2 is suspended on the slide rail 1 and can slide freely along the slide rail 1; a hook 4 is connected to the sliding trolley 2.

[0024] A horizontal plate 12 is fixed to the top surface of the slide 1, with both ends of the horizontal plate 12 extending outwards, and the extended areas are connected to anchor rods 3. The slide 1 includes two channel steels welded back to back, and the sliding trolley 2 includes a bracket and two rows of bearings, with the two rows of bearings located in the grooves of the two channel steels respectively. The bracket is connected to the two rows of bearings below the slide 1; the hook 4 is connected to the bracket.

[0025] Anti-detachment limiters are installed at both ends of the sliding stroke of the sliding trolley 2 on the slide rail 1. Bolts 13 are inserted at both ends of the slide rail 1 along its length, and the bolts 13 serve as anti-detachment limiters.

[0026] When installing slideway 1, install MSGLW-500 / 22-2400 high-strength left-handed threaded steel anchor rods without longitudinal reinforcement at the installation location. The anchor rod hole positions should be consistent with the reserved hole positions of the slideway. They are used to fix slideway 1. Use one MSK2335 and one MSZ2360 anchoring agent. The anchor rods are installed at 90° perpendicular to the rock surface.

[0027] The installation of slide 1 requires the arrangement and hoisting of cables and pipelines in the tunnel to ensure that the height of slide 1 is a straight line, and that the joints of slide 1 are horizontal and vertical to ensure that slide 1 is continuous and uninterrupted. The installation of slide 1 should be carried out from one side, and it is strictly forbidden to install both sides at the same time. The middle section should be joined together.

[0028] After slide 1 and slide trolley 2 are installed, limiters are installed on both sides of slide 1 to prevent slide trolley 2 from falling off.

[0029] When installing the sliding trolley 2, it is essential to ensure that both bearings are tightly attached to the slide rail, and that the sliding trolley can slide smoothly when manually pushed.

[0030] When using overhead rail transport, a 5-meter warning line should be set up before and after the work point to strictly prohibit unauthorized personnel from entering. Three methods can be used to move materials: First, after hanging the material, manually push it forward, keeping the lower half of the body away from the workpiece to prevent it from falling and injuring people. Second, after hanging the material, wrap it with rope or other materials and manually drag it forward, keeping the personnel outside the area where the material might fall. Third, a combination method: after hanging the material, the person in front drags it while the person behind pushes it by hand, using both methods to move the material.

[0031] Example 2

[0032] The top-mounted suspended rail conveying system in this embodiment, based on Embodiment 1, uses underground compressed air as its power source; such as Figure 2 As shown, it also includes two sets of sliding trolley traction mechanisms, located on opposite sides of the sliding stroke of the sliding trolley 2. Each sliding trolley traction mechanism includes a drum 5 and a pneumatic motor 6. The pneumatic motor 6 drives the drum 5 to rotate, and the pull rope 14 on the drum 5 unfolds and connects to the sliding trolley 2. The two sets of sliding trolley traction mechanisms pull the sliding trolley 2 in opposite directions. When the pneumatic motor 6 on one sliding trolley traction mechanism is working, the pneumatic motor 6 on the other sliding trolley traction mechanism disconnects the air pressure, achieving unidirectional pulling of the sliding trolley 2.

[0033] like Figure 3 , Figure 4 As shown: The sliding trolley traction mechanism also includes a rope tensioning assembly; after the wind pressure of the pneumatic motor 6 of the sliding trolley traction mechanism is disconnected, the drum 5 can still tighten the rope 14 to prevent the rope 14 from spreading out disorderly. The rope tensioning assembly includes a cylinder 7, a piston 8, and a flywheel 9; the flywheel 9 is coaxially mounted with the drum 5, and the piston 8 is slidably assembled in the cylinder 7 to form an air chamber. When the air pressure inside the air chamber is the same as the outside air pressure, the piston 8 is in the neutral position, and the eccentric shaft on the flywheel 9 is connected to the piston 8 by a connecting rod 10.

[0034] The flywheel 9 of the rope tensioning assembly rotates with the drum 5. When the flywheel 9 rotates, it drives the piston 8 to move inside the cylinder 7 via the connecting rod 10. The air chamber of the cylinder 7 circulates between normal pressure, positive pressure, negative pressure, and positive pressure. Under negative and positive pressure conditions, the piston 8 tends to return to its original position. Even when the air pressure in the air chamber tends to return to normal pressure, the piston 8 applies a reverse torque to the drum 5 via the connecting rod 10, causing the rope 14 on the drum 5 to be obstructed from unfolding. After the flywheel 9 rotates once, the air pressure in the air chamber completes one cycle, and the air chamber returns to positive pressure. The resistance of the rope tensioning assembly does not increase with the unfolded length of the rope 14 on the drum 5. When the pneumatic motor 6 of the sliding trolley traction mechanism is connected to the pneumatic motor to drive the sliding trolley 2, the torque of the pneumatic motor 6 is much greater than the resistance of the rope tensioning assembly, and the movement of the sliding trolley 2 is unrestricted. Alternatively, a ratchet mechanism can be added between the drum 5 and the flywheel 9. When the drum 5 rotates in the forward direction, the flywheel 9 rotates; when the drum 5 rotates in the reverse direction, the flywheel 9 remains stationary. The forward and reverse rotations of the drum 5 correspond to the wind motor 6 disconnecting the air pressure and the wind motor 6 connecting the air pressure, respectively.

[0035] The drum 5 and the pneumatic motor 6 are mounted on the suspended platform 11, which is fixed to the roof of the tunnel by anchor bolts 3.

[0036] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A roof-mounted suspended rail conveying system, characterized in that: Includes a slide (1) and a sliding trolley (2); the slide (1) is fixed to the roof of the roadway by anchor bolts (3); the sliding trolley (2) is suspended on the slide (1) and can slide freely along the slide (1); a hook (4) is connected to the sliding trolley (2); It also includes two sets of sliding trolley traction mechanisms, which are located on both sides of the sliding stroke of the sliding trolley (2). The sliding trolley traction mechanism includes a drum (5) and a pneumatic motor (6). The pneumatic motor (6) is used to drive the drum (5) to rotate. The pull rope (14) on the drum (5) unfolds and connects to the sliding trolley (2). The two sets of sliding trolley traction mechanisms pull the sliding trolley (2) in opposite directions.

2. The overhead suspension rail conveying system according to claim 1, characterized in that: The sliding trolley traction mechanism also includes a rope tensioning assembly; the rope tensioning assembly includes a cylinder (7), a piston (8) and a flywheel (9); the flywheel (9) is coaxially mounted with the drum (5), the piston (8) is slidably assembled in the cylinder (7) to form an air chamber, when the air pressure inside the air chamber is the same as the outside air pressure, the piston (8) is in the middle position, and the eccentric shaft on the flywheel (9) is connected to the piston (8) by a connecting rod (10).

3. The overhead suspension rail conveying system according to claim 1, characterized in that: Anti-detachment limiters are installed at both ends of the sliding stroke of the sliding trolley (2) on the slide (1).

4. The top-slab suspended rail conveying system according to claim 2, characterized in that: The drum (5) and the pneumatic motor (6) are mounted on the suspended platform (11), which is fixed to the roof of the tunnel by anchor bolts (3).

5. The overhead suspension rail conveying system according to claim 4, characterized in that: Bolts (13) are inserted at both ends of the slide (1) along its length, and the bolts (13) serve as anti-detachment limits.

6. The overhead suspension rail conveying system according to claim 1, characterized in that: The top surface of the slide (1) is fixed with a horizontal plate (12), and both ends of the horizontal plate (12) extend outward, with the extended areas connected to anchor rods (3).

7. A top-slab suspended rail conveying system according to claim 6, characterized in that: The slide (1) includes two channel steels welded back to back, the sliding trolley (2) includes a bracket and two rows of bearings, the two rows of bearings are located in the grooves of the two channel steels respectively, the bracket is connected to the two rows of bearings below the slide (1); the hook (4) is connected to the bracket.

Images