Star wheel shovel plate coal collecting device

Abstract

The utility model provides a star wheel shovel plate coal collecting device which comprises a bucket base body installed at one end of a crawler walking device in a lifting mode, a scraper plate installation groove is formed in the rear end of the bucket base body, and a scraper plate conveyor is installed on the scraper plate installation groove. A star wheel set used for rotationally shifting mineral aggregate to the scraper conveyer is rotationally arranged in the bucket base body. A movable coal baffle is hinged to the side wall, away from the working face of the ore bed, of the bucket base body, an arc-shaped telescopic plate capable of being contained in the bucket base body is arranged at the root of the movable coal baffle, and a coal baffle driving oil cylinder for driving the movable coal baffle to swing is further arranged on the side wall, away from the working face of the ore bed, of the bucket base body. The star wheel shovel plate coal collecting device can actively limit a mineral aggregate falling area of continuous mining of a strip mine, the collecting area is reduced, and active and continuous material collecting is achieved.

Description

Technical Field

[0001] The utility model relates to the field of open-pit mining machines, in particular to a star wheel shovel plate coal collecting device. Background Art

[0002] At present, the drum coal mining machine in the open-pit coal mine is advancing forward. The cutting head in the working mechanism continuously breaks the rock, and then the coal material cut by the cutting head is shoveled onto the shovel board by the coal mine roadheader. The star wheel component on the shovel board shovels the broken coal material to the conveyor in the middle chute of the shovel board, so as to transport the coal material out. The use of the coal mine roadheader shovel board to clear the mud and stone obstacles in the forward section of the roadheader enables the drum coal mining machine to move forward stably.

[0003] In order to better collect coal blocks into the shovel board of a coal mine boring machine, the utility model patent with the authorization announcement number CN221299176U discloses a shovel board of a coal mine boring machine, including a mounting mechanism, a coal shoveling mechanism is arranged on the mounting mechanism, a motion mechanism for assisting coal shoveling is installed on the coal shoveling mechanism, and the motion mechanism includes two drive shafts, a transmission rod is fixedly connected to the top of the drive shaft, a connecting block is rotatably connected to the top of the other end of the drive rod, and a scraper is fixedly connected to the front side of the connecting block. The shovel board of the coal mine boring machine is provided with a motion mechanism for assisting coal shoveling, the drive shaft drives the transmission rod to rotate, the transmission rod drives the connecting block to move, the connecting block can swing around the rotating block, and the telescopic rod reciprocates and telescopes, so that the scraper can better collect the coal blocks on both sides of the shoveling area into the bucket, thereby improving the coal shoveling effect. However, the shovel board of the coal mine boring machine belongs to passive collection, and cannot limit the falling area of ​​the cut and rolled coal blocks, and has the defect of a large surface to be collected. Utility Model Content

[0004] In order to actively limit the falling area of ​​ore materials in continuous mining of open-pit mines, reduce the collection area, and realize active and continuous material collection, the technical solution adopted by the utility model is: a star wheel shovel plate coal collection device, including a bucket base body that can be lifted and installed at one end of a crawler walking device, a scraper installation groove is opened at the rear end of the bucket base body, a scraper conveyor is installed on the scraper installation groove, and a group of star wheels for rotating and transferring ore materials to the scraper conveyor are rotatably arranged in the bucket base;

[0005] A movable coal baffle plate is hinged on the side wall of the bucket base away from the mining surface, and an arc-shaped telescopic plate that can be stored in the bucket base is arranged at the root of the movable coal baffle plate. A coal baffle plate driving cylinder for driving the movable coal baffle plate to swing is also arranged on the side wall of the bucket base away from the mining surface.

[0006] Based on the above, in order to improve the material blocking effect, the top of the movable coal blocking plate extends out of the bucket base, and the height of the movable coal blocking plate is greater than the height of the side wall of the bucket base.

[0007] Based on the above, in order to expand the collection capacity, the width of the bucket base is greater than or equal to the width of the crawler walking device.

[0008] Based on the above, in order to achieve continuous collection without turning around, the bucket base is respectively provided at the front and rear ends of the crawler walking device in a liftable manner.

[0009] Based on the above, a driving motor for driving the star wheel assembly to rotate is arranged in the bucket base.

[0010] Based on the above, the star wheel assembly includes a star wheel plate and an arc-shaped push plate vertically arranged on one side of the star wheel plate.

[0011] Based on the above, columnar teeth are arranged on the star wheel plate.

[0012] Based on the above, each group of the star wheel groups is symmetrically arranged with the center line of the scraper conveyor as the symmetry axis.

[0013] The utility model has substantial features and progress compared with the prior art. Specifically, the star wheel shovel plate coal collecting device provided by the utility model collects materials by arranging a star wheel shovel plate at one end or the front and rear ends of the crawler walking device, and drives the star wheel group to rotate relatively by a hydraulic motor or an electric motor, thereby improving the loading and collecting efficiency. At the same time, a swinging movable coal blocking plate is arranged on the outer side of the star wheel shovel plate, and the front end of the movable coal blocking plate extends out of the front end of the star wheel shovel plate, and the movable coal blocking plate is swung by the oil cylinder, so that the cut and collapsed coal can be actively and effectively blocked within the working area of ​​the star wheel shovel plate, thereby improving the collecting efficiency.

[0014] Furthermore, the star wheel shovel is connected to the crawler walking device through the shovel lifting cylinder, and the shovel lifting cylinder can be used to realize the lifting and lowering of the material collecting device to adapt to the working and walking of the star wheel shovel and the ups and downs of the terrain.

[0015] Therefore, the star wheel shovel plate coal collection device can actively limit the falling area of ​​ore materials in continuous mining in open-pit mines, reduce the collection area, and realize active and continuous material collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic diagram of the side structure of the star wheel shovel plate coal collecting device.

[0017] Figure 2 The utility model is a schematic diagram of the top structure of the star wheel shovel plate coal collecting device.

[0018] Figure 3The utility model provides a schematic diagram of the structure of the end portion of the star wheel shovel plate coal collecting device.

[0019] In the figure: 1. crawler walking device; 2. belt conveyor; 3. coal baffle driving cylinder; 4. star wheel group; 5. rocker arm; 6. spiral drum; 7. movable coal baffle; 8. shovel plate lifting cylinder; 9. scraper conveyor; 10. bucket base; 11. scraper mounting groove; 12. arc-shaped telescopic plate; 13. star wheel plate; 14. columnar teeth; 15. arc-shaped push plate. DETAILED DESCRIPTION

[0020] The technical solution of the utility model is further described in detail below through specific implementation methods.

[0021] Example 1

[0022] This embodiment provides a star wheel shovel plate coal collecting device, such as Figure 1 , Figure 2 , Figure 3 As shown, it includes a bucket base 10 which can be lifted and lowered on one end of a crawler walking device 1 by a blade lifting cylinder 8. A scraper mounting groove 11 is provided at the rear end of the bucket base 10, and a scraper conveyor 9 is installed on the scraper mounting groove 11. The discharging end of the scraper conveyor 9 is connected to a belt conveyor 2. A group of star wheels 4 is rotatably arranged in the bucket base 10 for rotating and transferring the ore to the scraper conveyor 9.

[0023] A movable coal blocking plate 7 is hingedly connected to a side wall of the bucket base 10 away from the working surface of the ore layer. An arc-shaped telescopic plate 12 that can be received in the bucket base 10 is arranged at the root of the movable coal blocking plate 7 .

[0024] A coal baffle driving cylinder 3 for driving the movable coal baffle 7 to swing is also provided on a side wall of the bucket base 10 away from the working surface of the ore layer.

[0025] A driving motor for driving the star wheel assembly 4 to rotate is arranged in the bucket base 10. The star wheel assembly 4 includes a star wheel plate 13 and an arc-shaped push plate 15 vertically arranged on one side of the star wheel plate 13.

[0026] Specifically, Figure 2 and Figure 3 As shown, a rocker arm 5 is further provided at one end of the crawler walking device 1 , and a spiral drum 6 is provided on the rocker arm 5 . The spiral drum 6 is located above the bucket base 10 .

[0027] Example 2

[0028] This embodiment provides a star wheel shovel plate coal collecting device, which is different from the first embodiment mainly in that: in this embodiment, in order to improve the material blocking effect, the top of the movable coal blocking plate extends out of the bucket base, and the height of the movable coal blocking plate is greater than the height of the side wall of the bucket base. In order to expand the collection capacity, the width of the bucket base is greater than or equal to the width of the crawler walking device.

[0029] Example 3

[0030] This embodiment provides a star wheel shovel plate coal collecting device, which is different from Embodiment 1 or Embodiment 2 mainly in that: in this embodiment: columnar teeth 14 are provided on the star wheel plate 13 .

[0031] Example 4

[0032] This embodiment provides a star wheel shovel board coal collecting device, which is different from the first embodiment or the second embodiment mainly in that, in this embodiment: in order to achieve continuous collection without turning around, the front and rear ends of the crawler walking device are respectively provided with the bucket base which can be lifted and lowered. Each group of the star wheel groups is symmetrically arranged with the center line of the scraper conveyor as the symmetry axis. Accordingly, in this embodiment, rockers are respectively arranged at both ends of the crawler walking device, and a spiral drum is arranged on the rocker arm, and the spiral drum is located above the bucket base.

[0033] Specifically, in this embodiment, the process of the star wheel shovel plate coal collecting device to collect the ore back and forth is as follows:

[0034] When cutting coal normally, the rocker arm at the front end of the crawler travel device rises, driving the spiral drum at the front end to cut the upper layer of ore, and the spiral drum at the rear end of the crawler travel device falls to cut the lower layer of ore. At the same time, the star wheel group at the rear end of the crawler travel device is closed, and the star wheel group at the front end is opened. The star wheel group at the front end is used to collect the upper layer of ore cut this time, and the lower layer of ore cut will be collected during the return trip;

[0035] On the return journey, the states of a pair of rocker arms and a pair of star wheel groups are interchanged, and the mining layer is directly retreated and the cut ore is collected and transported. On the return journey, the opened star wheel group collects the reserved lower layer ore and the upper layer ore cut this time together.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A star wheel shovel plate coal collecting device, characterized in that: It comprises a bucket base body which can be lifted and installed at one end of a crawler walking device, a scraper installation groove is provided at the rear end of the bucket base body, a scraper conveyor is installed on the scraper installation groove, and a group of star wheels for rotating and transferring ore materials to the scraper conveyor are rotatably arranged in the bucket base body; A movable coal baffle plate is hinged on the side wall of the bucket base away from the mining surface, and an arc-shaped telescopic plate that can be stored in the bucket base is arranged at the root of the movable coal baffle plate. A coal baffle plate driving cylinder for driving the movable coal baffle plate to swing is also arranged on the side wall of the bucket base away from the mining surface.

2. The star wheel shovel plate coal collecting device according to claim 1 is characterized in that: The top of the movable coal blocking plate extends out of the bucket base, and the height of the movable coal blocking plate is greater than the height of the side wall of the bucket base.

3. The star wheel shovel plate coal collecting device according to claim 2 is characterized in that: The width of the bucket base is greater than or equal to the width of the crawler walking device.

4. The star wheel shovel plate coal collecting device according to claim 1, 2 or 3, characterized in that: The bucket base is respectively arranged at the front and rear ends of the crawler walking device in a liftable manner.

5. The star wheel shovel plate coal collecting device according to claim 1, characterized in that: A driving motor for driving the star wheel assembly to rotate is arranged in the bucket base.

6. The star wheel shovel plate coal collecting device according to claim 1, 2, 3 or 5, characterized in that: The star wheel assembly comprises a star wheel plate and an arc-shaped push plate vertically arranged on one side of the star wheel plate.

7. The star wheel shovel plate coal collecting device according to claim 6, characterized in that: The star wheel plate is provided with columnar teeth.

8. The star wheel shovel plate coal collecting device according to claim 7, characterized in that: Each group of star wheel groups is symmetrically arranged with the center line of the scraper conveyor as the symmetry axis.

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