Self-discharging type ore elevator

Abstract

The utility model discloses a self-discharging type ore elevator, which relates to the technical field of mining, and comprises a U-shaped frame arranged on the ground, a steel wire rope is arranged on the U-shaped frame, one end of the steel wire rope is connected with a winding machine, the other end of the steel wire rope is connected with a bearing platform, and the self-discharging type ore elevator further comprises an automatic discharging unit. And when the bearing platform lifts the cart loaded with ores to the ground, the cart automatically moves down from the bearing platform to complete automatic discharging operation. The automatic discharging unit is arranged on the elevator, discharging operation can be automatically completed, the working efficiency of the elevator is greatly improved, and during feeding and before discharging, the first movable plate is obliquely downwards arranged, so that an operator can push the cart to the bearing platform with small force, and meanwhile stability of the cart on the bearing platform is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of mining technology, and in particular to a self-feeding ore hoist. Background Technology

[0002] Ore hoists are key pieces of equipment in mining production, responsible for lifting underground resources such as ore and coal to the surface, as well as the vertical transportation of personnel, materials, and equipment. Their operational efficiency directly affects the mine's production capacity and economic benefits; they are the "throat" connecting the underground and surface environments.

[0003] Hoisting machines are driven by electric motors and use wire ropes to move a lifting platform (such as a skip or cage) along the shaft or inclined ramp. Based on their working method, they can be classified as single-rope winding, multi-rope winding, and friction hoists. During the hoisting process, a depth indication system, a speed measuring and limiting system, and a braking system ensure safe operation.

[0004] Existing ore hoists generally require manual pushing of the ore-loaded carts off the hoisting platform, which is cumbersome and affects the overall ore hoisting efficiency. Therefore, this application provides an ore hoist and its usage method for mining operations to meet the requirements. Utility Model Content

[0005] The purpose of this application is to provide a self-feeding ore hoist to solve the technical problem in the prior art that the need for manual feeding affects the overall ore hoisting efficiency.

[0006] To achieve the above objectives, this application provides the following technical solution: a self-feeding ore hoist, including a U-shaped frame installed on the ground, and a steel wire rope provided on the U-shaped frame. One end of the steel wire rope is connected to a winding machine, and the other end of the steel wire rope is connected to a carrying platform. It also includes an automatic feeding unit. When the carrying platform lifts a trolley loaded with ore to the ground, the trolley automatically moves off the carrying platform to complete the automatic feeding operation.

[0007] As a preferred embodiment of this invention, the automatic feeding unit includes a first movable plate, a second movable plate, a transmission gear, an L-shaped rack, a rack, and an abutment rod.

[0008] The support platform is configured as a box-type structure with an open top;

[0009] One end of the first movable plate is rotatably connected to the upper end of the bearing platform, and the lower end of the second movable plate is rotatably connected to the other end of the first movable plate through a rotating shaft. Rollers are rotatably provided on both sides of the upper end of the second movable plate, and the two sets of rollers are correspondingly rolled in the limiting grooves of the bearing platform inner wall where limiting rods are provided.

[0010] The L-shaped rack and the rack are slidably mounted on the limiting plate, the limiting plate is fixedly mounted at the bottom of the inner cavity of the bearing platform, the transmission gear is mounted between the L-shaped rack and the rack and meshes with the L-shaped rack and the rack respectively, and the weight of the L-shaped rack is greater than the weight of the rack.

[0011] The abutment rod is mounted on the U-shaped frame, and the lower end of the abutment rod is located directly below the toothed rod.

[0012] In a preferred embodiment of this invention, multiple sets of elastic blocking strips are arranged in rows along the movement path of the trolley on the first movable plate.

[0013] In a preferred embodiment of this invention, two sets of baffles are arranged opposite each other on the first movable plate, and inclined plates are fixed on the same side ends of both sets of baffles, with the two sets of inclined plates arranged in a figure-eight shape.

[0014] In a preferred embodiment of this invention, two sets of long vertical rods are arranged opposite each other at the lower end of the U-shaped frame, and both sets of long vertical rods and the U-shaped frame are provided with limiting grooves adapted to the slider. The slider is installed on the side end of the bearing platform.

[0015] In summary, the technical effects and advantages of this utility model are as follows:

[0016] This utility model has a reasonable structure. An automatic unloading unit is set on the elevator, which can automatically complete the unloading operation, greatly improving the working efficiency of the elevator. Moreover, the first movable plate is set at an angle downwards during loading and before unloading, so that the operator can push the trolley to the bearing platform with less force, which also helps to stabilize the trolley on the bearing platform.

[0017] In this utility model, an elastic blocking strip is provided, which can reduce or prevent the collision between the trolley and the second movable plate. This helps to avoid the ore falling out of the trolley due to excessive impact. At the same time, when the trolley moves automatically to unload materials, the elastic blocking strip can slow down the trolley, preventing it from colliding violently with the previous trolley that has not been moved away by the worker in time, or from moving out of the limit range due to excessive kinetic energy, which could lead to a safety accident. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application 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 application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the load-bearing platform structure;

[0021] Figure 3 for Figure 2 Schematic diagram of the automatic feeding unit structure;

[0022] Figure 4 This is a schematic diagram of the installation of this utility model.

[0023] In the diagram: 1. Bearing platform; 2. U-shaped frame; 3. Steel wire rope; 4. First movable plate; 5. Second movable plate; 6. Limiting rod; 7. Roller; 8. Rotating shaft; 9. Transmission gear; 10. Limiting plate; 11. L-shaped toothed rod; 12. Toothed rod; 13. Abutting rod; 14. Inclined plate; 15. Baffle; 16. Long vertical rod; 17. Sliding block; 18. Elastic blocking strip. Detailed Implementation

[0024] 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.

[0025] Example: Reference Figure 1-2 The self-feeding ore hoist shown includes a U-shaped frame 2 installed on the ground, and a steel wire rope 3 is provided on the U-shaped frame 2. One end of the steel wire rope 3 is connected to a winding machine, and the other end of the steel wire rope 3 is connected to a carrying platform 1. It also includes an automatic feeding unit. When the carrying platform 1 lifts the trolley loaded with ore to the ground, the trolley automatically moves off the carrying platform 1 to complete the automatic feeding operation.

[0026] As a preferred embodiment of this example, Figure 1-3 As shown, the automatic feeding unit includes a first movable plate 4, a second movable plate 5, a transmission gear 9, an L-shaped rack 11, a rack 12, and an abutment rod 13;

[0027] The supporting platform 1 is configured as a box-type structure with an open top;

[0028] One end of the first movable plate 4 is rotatably connected to the upper end of the bearing platform 1, and the lower end of the second movable plate 5 is rotatably connected to the other end of the first movable plate 4 through a rotating shaft 8. Rollers 7 are rotatably provided on both sides of the upper end of the second movable plate 5, and the two sets of rollers 7 are correspondingly rolled in the limiting groove of the limiting rod 6 provided on the inner wall of the bearing platform 1.

[0029] L-shaped rack 11 and rack 12 are both slidably mounted on limiting plate 10. Limiting plate 10 is fixedly mounted at the bottom of the inner cavity of bearing platform 1. Transmission gear 9 is mounted between L-shaped rack 11 and rack 12 and meshes with L-shaped rack 11 and rack 12 respectively. The weight of L-shaped rack 11 is greater than the weight of rack 12.

[0030] The abutment rod 13 is mounted on the U-shaped frame 2, and the lower end of the abutment rod 13 is located directly below the toothed rod 12.

[0031] Initially, the first movable plate 4 and the second movable plate 5 are as follows: Figure 3 In the tilted state shown, underground workers can directly push the trolley onto the first movable plate 4 during use. Since the first movable plate 4 is set at an angle downward, the operator can push the trolley onto the support platform 1 with a small amount of force, which also helps to stabilize the trolley on the support platform 1.

[0032] The wire rope 3 is wound up by a winding machine, which lifts the carrying platform 1. As the carrying platform 1 moves upward, the lower end of its contact rod 13 contacts the upper end of the suspended toothed rod 12 (which is suspended due to the gravity of the L-shaped toothed rod 11). As the carrying platform 1 continues to move upward, the toothed rod 12 moves downward relative to the transmission gear 9. The transmission gear 9 causes the L-shaped toothed rod 11 to move upward, thus lifting one end of the first movable plate 4. When the original raised end of the first movable plate 4 is set as the bottom end and the upper surface of the original raised end is flush with the ground, the trolley will move from the first movable plate 4 to the ground under the action of gravity, completing the automatic unloading operation. After the trolley is completely removed, the winding machine performs the rope unwinding operation, the carrying platform 1 moves downward, the contact rod 13 and the toothed rod 12 separate, and under the action of the gravity of the first movable plate 4, the second movable plate 5 and the L-shaped toothed rod 11, each component finally returns to its original position and... Figure 4 As shown, this ore hoist can automatically complete the unloading operation, which greatly improves the working efficiency of the hoist. During loading and before unloading, the first movable plate 4 is set at an angle downward, so that the operator can push the cart onto the bearing platform 1 with less force, which also helps to stabilize the cart on the bearing platform 1.

[0033] It should be noted that: First, a groove should be set at the underground loading point, and the groove can be reinforced with concrete so that when the lower end of the bearing platform 1 contacts the bottom of the groove cavity, the raised end of its first movable plate 4 is flush with the underground ground, facilitating the trolley to be pushed onto the first movable plate 4; Second, a set of rollers can be set at the upper end of the L-shaped toothed rod 11, and the upper end of the rollers should roll in contact with the lower end of the first movable plate 4, which can reduce the friction between the L-shaped toothed rod 11 and the first movable plate 4; Third, such as Figure 4 As shown, initially, the angle between the first movable plate 4 and the horizontal plane is set between 15° and 23° to avoid the angle being too small, which would prolong the time required for the trolley to move to the bearing platform 1, and also to avoid the angle being too large, which would cause the trolley to collide violently with the second movable plate 5, resulting in the ore falling out of the trolley and affecting the service life of the components. During unloading, the final angle between the first movable plate 4 and the horizontal plane is also set between 15° and 23° to avoid the angle being too large, which would cause the trolley to move too fast and cause an accident, and also to avoid the angle being too small, which would affect the unloading speed; Fourth, this elevator is mainly used to transport underground trolleys to the ground, and can also move trolleys that are empty on the ground to the underground (this operation is more laborious and troublesome, and can be selected according to the actual situation). After the first movable plate 4 returns to its original position... Figure 3 Once the indicated state is reached, the empty trolley can be pushed onto the first movable plate 4, and the empty trolley can be transported from underground to underground.

[0034] As a preferred embodiment of this invention, multiple sets of elastic blocking strips 18 are arranged in rows on the first movable plate 4 along the movement path of the trolley.

[0035] The elastic blocking strip 18 is set away from the loading end of the bearing platform 1. When the trolley moves onto the bearing platform 1, the elastic blocking strip can slow down the front wheels of the trolley, which can reduce or prevent the collision between the trolley and the second movable plate 5. This helps to avoid the ore falling out of the trolley due to excessive impact. At the same time, when the trolley moves automatically to unload, the elastic blocking strip 19 can decelerate the trolley to prevent it from colliding violently with the previous trolley that has not been moved away by the worker in time, or from moving out of the limit range due to excessive kinetic energy, which could lead to a safety accident.

[0036] As a preferred embodiment of this example, Figure 3 As shown, two sets of baffles 15 are arranged opposite each other on the first movable plate 4, and inclined plates 14 are fixed on the same side ends of the two sets of baffles 15. The two sets of inclined plates 14 are arranged in a figure-eight shape.

[0037] Its inclined plate 14 can guide the movement of the trolley, which is conducive to the stable movement of the trolley onto or off the bearing platform 1.

[0038] As a preferred embodiment of this example, Figure 1 and Figure 2 As shown, two sets of long vertical rods 16 are arranged opposite each other at the lower end of the U-shaped frame 2, and the two sets of long vertical rods 16 and the U-shaped frame 2 are all provided with limiting grooves that are adapted to the slider 17. The slider 17 is installed on the side end of the bearing platform 1.

[0039] The purpose is to ensure the stability of the carrier platform 1 during movement.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present 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 the present utility model should be included within the protection scope of the present utility model.

Claims

1. A self-feeding ore hoist, comprising a U-shaped frame (2) installed on the ground, wherein a wire rope (3) is provided on the U-shaped frame (2), one end of the wire rope (3) is connected to a winding machine, and the other end of the wire rope (3) is connected to a supporting platform (1), characterized in that: The automatic unloading unit includes a first movable plate (4), a second movable plate (5), a transmission gear (9), an L-shaped toothed rod (11), a toothed rod (12), and a contact rod (13).

2. A self-discharging ore elevator according to claim 1, characterized in that: The carrying platform (1) is provided as a box structure with an open upper end. One end of the first movable plate (4) is rotationally connected to the upper end of the carrying platform (1), and the lower end of the second movable plate (5) is rotationally connected to the other end of the first movable plate (4) through a rotating shaft (8). The L-shaped toothed rod (11) and the toothed rod (12) are both slidingly arranged on a limiting plate (10), the limiting plate (10) is fixedly arranged at the bottom of the inner cavity of the carrying platform (1), the transmission gear (9) is arranged between the L-shaped toothed rod (11) and the toothed rod (12) and is in meshing connection with the L-shaped toothed rod (11) and the toothed rod (12) respectively, and the gravity of the L-shaped toothed rod (11) is greater than that of the toothed rod (12). The contact rod (13) is arranged on the U-shaped frame (2), and the lower end of the contact rod (13) is located directly below the toothed rod (12). Multiple groups of elastic blocking strips (18) are arranged on the first movable plate (4) in rows along the movement path of the trolley.

3. A self-discharging ore elevator according to claim 2, characterized in that: Two groups of baffle plates (15) are oppositely arranged on the first movable plate (4), and the same side end of each group of baffle plates (15) is fixedly provided with an inclined plate (14), and the two groups of inclined plates (14) are arranged in an eight-character shape.

4. A self-discharging ore elevator according to claim 2, characterized in that: The lower end of the U-shaped frame (2) is oppositely provided with two groups of long vertical rods (16), and the U-shaped frame (2) and the two groups of long vertical rods (16) are both provided with limiting grooves matched with sliding blocks (17), and the sliding blocks (17) are installed on the side end of the carrying platform (1).

5. A self-discharging ore elevator according to claim 2, characterized in that: ​

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