Coal pressing head for pressing coal in tamping station

By adding extension plates to both sides of the coal pressing head, the problem of fly-edge coal cakes on both sides of the coal pressing device in the coke oven tamping station is solved, achieving flat coal cakes and a hygienic environment for pushing coke and loading coal cars. The material selection of the extension plates reduces damage to the side walls of the coal cars and facilitates replacement.

CN224118955UActive Publication Date: 2026-04-14HENAN ANGANG ZHOUKOU IRON & STEEL CO LTD +3
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN ANGANG ZHOUKOU IRON & STEEL CO LTD
Filing Date
2025-03-31
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

In existing coke oven tamping stations, the size of the coal pressing head is smaller than the inner wall size of the pulverized coal car, causing burrs to form on both sides of the coal cake, resulting in poor hygiene and unsanitary conditions in the coke pushing and coal loading cars.

Method used

Extension plates are installed on both sides of the coal pressing head. The extension plates abut against the inner wall of the coal car to ensure that the sides of the coal cake are flat and to prevent coal dust from flying off the edges.

Benefits of technology

It achieves flatness on both sides of the coal cake, prevents coal powder from scattering, maintains a hygienic environment for pushing coke and loading coal cars, and facilitates the disassembly and replacement of the extension plate. The material selection of the extension plate reduces damage to the side wall of the coal car and improves its service life.

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Abstract

The utility model relates to a coal pressing head for tamping station coal pressing, which comprises a coal car and a coal pressing head main body arranged above the coal car, gaps exist between the left side and the right side of the coal pressing head main body and the corresponding inner side wall of the coal car, and extension plates are detachably arranged at the left end and the right end of the bottom of the coal pressing head main body. And the tail end of the extension plate is propped against the inner side wall of the coal car on the same side. The two sides of a coal cake can be guaranteed to be flat through the extension plates additionally arranged on the two sides of the coal pressing head, and the coal pressing head is more practical.
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Description

Technical Field

[0001] This utility model belongs to the field of coal pressing technology, specifically relating to a coal pressing head for a tamping station. Background Technology

[0002] Currently, existing coke oven tamping stations typically use hydraulic tamping devices to compress coal cakes. This involves a hydraulic telescopic mechanism and a tamping head located at the bottom of the mechanism. However, in practice, the size of the tamping head is often smaller than the inner wall of the pulverized coal car. Gaps exist between the left and right sides of the tamping head and the corresponding inner wall of the pulverized coal car. This results in a certain height of pulverized coal dust forming on both sides of the coal cake after compaction. When the coal cake leaves the tamping station, this dust falls onto the sides of the support plate as it sways, causing a messy and unsanitary environment for the coke oven loading car, which needs improvement. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a coal pressing head for a tamping station, which can ensure that the coal cake is flat on both sides by adding extension plates on both sides of the coal pressing head, so as to solve the above problems.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a coal pressing head for tamping coal, comprising a coal car and a coal pressing head body disposed above the coal car. There are gaps between the left and right sides of the coal pressing head body and the corresponding inner sidewalls of the coal car. Extension plates are detachably provided on both the left and right ends of the bottom of the coal pressing head body, and the tail end of the extension plate abuts against the inner sidewall of the coal car on the same side.

[0005] Preferably, the extension plate is a rubber belt.

[0006] Preferably, a fixing plate is welded to both the left and right ends of the bottom of the coal pressing head body. The bottom of the fixing plate is provided with a number of threaded blind holes spaced apart along its length. A support plate is welded to the bottom of the extension plate corresponding to the fixing plate. A through hole is provided on the extension plate corresponding to the threaded blind hole. A threaded through hole is provided on the support plate corresponding to the threaded blind hole. The same fixing bolt is screwed onto the same set of threaded through holes, through holes and threaded blind holes.

[0007] Preferably, both the fixing plate and the support plate are made of aluminum foam.

[0008] Preferably, slots are provided at both ends of the bottom of the coal pressing head body. The slots penetrate the coal pressing head body in the front-to-back direction. An electric push rod is horizontally fixed inside the coal pressing head body on the side of the slot near the coal car sidewall on the same side. An active cavity communicating with the slot is provided inside the coal pressing head body on the side of the electric push rod near the slot. The telescopic end of the electric push rod extends into the active cavity and is fixedly connected to a limiting plate. Several limiting rods arranged in a rectangular array are fixed on the side of the limiting plate near the slot. Limiting blind holes are provided on the slot wall corresponding to the limiting rods. The extension plate is welded to the horizontal part of an L-shaped mounting plate. The vertical part of the mounting plate is inserted into the slot, and limiting through holes are provided at the positions corresponding to the limiting rods. The limiting plate abuts against the vertical part of the mounting plate. The limiting rods pass through the corresponding limiting through holes and are inserted into the corresponding limiting blind holes.

[0009] Preferably, the vertical portion of the mounting plate is adapted to the corresponding slot, and the limiting rod is adapted to the corresponding limiting through hole and limiting blind hole.

[0010] Preferably, the mounting plate is made of aluminum foam.

[0011] The beneficial effects of this utility model are as follows: The added extension plate enables comprehensive coal pulverization, ensuring the flatness of both sides of the compressed coal cake and preventing coal dust from flying off the edges. This prevents coal dust from scattering when the coal cake leaves the compaction station and further ensures a hygienic environment for pushing coke and loading coal cars. Furthermore, the detachable design of the extension plate facilitates flexible disassembly and replacement when it wears or breaks, making the entire system more practical. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the main structure of Embodiment 1 of this utility model;

[0013] Figure 2 This is a front view cross-sectional structural diagram of the extension plate and the main body of the coal pressing head in Embodiment 1 of this utility model;

[0014] Figure 3 This is a schematic diagram of the front cross-sectional structure of the extension plate and the main body of the coal pressing head in Embodiment 1 of this utility model.

[0015] Figure 4 This is a schematic diagram of the main structure of Embodiment 2 of this utility model;

[0016] Figure 5 This is a front view cross-sectional structural diagram of the extension plate and the main body of the coal pressing head in Embodiment 2 of this utility model;

[0017] Figure 6 This is a front view cross-sectional structural diagram of the extension plate and the main body of the coal pressing head in Embodiment 2 of this utility model.

[0018] The following numbers are labeled in the diagram: 1 is the coal car, 2 is the main body of the coal pressing head, 3 is the extension plate, 4 is the fixing plate, 5 is the threaded blind hole, 6 is the support plate, 7 is the through hole, 8 is the threaded through hole, 9 is the fixing bolt, 10 is the slot, 11 is the electric push rod, 12 is the movable cavity, 13 is the limiting plate, 14 is the limiting rod, 15 is the limiting blind hole, 16 is the mounting plate, and 17 is the limiting through hole. Detailed Implementation

[0019] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0020] Example 1: As Figures 1 to 3 As shown, a coal compaction head for a tamping station includes a coal car 1 and a coal compaction head body 2 located above the coal car 1. Gaps exist between the left and right sides of the coal compaction head body 2 and the corresponding inner walls of the coal car 1. Extension plates 3 are detachably mounted on both the left and right ends of the bottom of the coal compaction head body 2, with the tail ends of the extension plates 3 abutting against the inner wall of the coal car 1 on the same side.

[0021] The added extension plate 3 enables comprehensive coal pulverization, ensuring the compressed coal cake has flat sides and preventing coal dust from flying off the edges. This prevents coal dust from scattering when the coal cake leaves the compaction station and ensures a hygienic environment for pushing coke and loading coal cars. Furthermore, the detachable design of the extension plate 3 allows for easy replacement when it wears or breaks, making the entire system more practical.

[0022] In this embodiment, the extension plate 3 is a rubber belt, which can reduce damage to the side wall of the coal car while ensuring the coal covering area and ensuring its own service life, making it more practical.

[0023] In this embodiment, fixing plates 4 are welded to both the left and right ends of the bottom of the coal pressing head body 2. The bottom of the fixing plates 4 has several threaded blind holes 5 spaced apart along their length. Support plates 6 are welded to the bottom of the extension plates 3 corresponding to the fixing plates 4. Through holes 7 are formed on the extension plates 3 corresponding to the threaded blind holes 5, and threaded through holes 8 are formed on the support plates 6 corresponding to the threaded blind holes 5. The same fixing bolt 9 is screwed onto the same set of threaded through holes 8, through holes 7, and threaded blind holes 5. When it is necessary to replace the extension plate 3, simply unscrew each fixing bolt 9 in sequence to release the screw-locking clamp on the extension plate 3, thereby removing it from the coal pressing head body 2. Next, after taking the new extension plate 3, first attach it to the fixing plate 4 and align the threaded through hole 8 with the threaded blind hole 5. Then tighten the fixing bolt 9 to lock and clamp the new extension plate 3 in place. This makes it easy to disassemble and replace the extension plate 3 when it is worn or broken, making the whole system more practical. Moreover, this disassembly and assembly method requires less modification to the original coal pressing head body 2. The fixing plate 4 can be directly welded onto the original coal pressing head body 2, which is more economical and practical.

[0024] In this embodiment, both the fixing plate 4 and the support plate 6 are made of aluminum foam. Aluminum foam is an existing material with high damping, shock absorption, energy absorption, corrosion resistance, and other properties. It can play a certain role in shock absorption, which is more conducive to the smooth operation of coal pressing and ensures the service life of the corresponding plates, making it more practical.

[0025] Example 2: The parts of this example that are the same as those in Example 1 will not be repeated. The differences are as follows: Figures 4 to 6As shown, slots 10 are provided on both the left and right ends of the bottom of the coal pressing head body 2, and the slots 10 penetrate the coal pressing head body 2 in the front-to-back direction. An electric push rod 11 is horizontally fixed inside the coal pressing head body 2 on the side of the slot 10 near the side wall of the coal car 1 on the same side, in the left-to-right direction. An active cavity 12 communicating with the slot 10 is provided inside the coal pressing head body 2 on the side of the electric push rod 11 near the slot 10. The telescopic end of the electric push rod 11 extends into the active cavity 12 and is fixedly connected to a limiting plate 13. Several limiting rods 14 distributed in a rectangular array are fixed on the side of the limiting plate 13 near the slot 10. Limiting blind holes 15 are provided on the slot wall of the corresponding slot 10. The extension plate 3 is welded to the horizontal portion of an L-shaped mounting plate 16. The vertical portion of the mounting plate 16 is inserted into the slot 10, and limit through holes 17 are provided at positions corresponding to the limit rod 14. The limit plate 13 abuts against the vertical portion of the mounting plate 16, and the limit rod 14 passes through the corresponding limit through hole 17 and is inserted into the corresponding limit blind hole 15. When the extension plate 3 needs to be replaced, simply operate the electric push rod 11 to retract its telescopic end, causing the limit rod 14 to retract into the movable cavity 12, thereby releasing the insertion lock on the vertical portion of the mounting plate 16. Then, pull down the vertical portion of the mounting plate 16 to remove the original extension plate 3 as a whole. Next, after taking the new extension plate 3, first align the vertical part of the mounting plate 16 on it with the slot 10 and insert it into place. Then, operate the electric push rod 11 to extend its telescopic end, causing the limiting plate 13 to press against the vertical part of the mounting plate 16, so that the limiting rod 14 is inserted through the corresponding limiting through hole 17 and inserted into the corresponding limiting blind hole 15, locking the vertical part of the mounting plate 16 in place. This completes the fixed installation of the new extension plate 3, which is stable and does not affect subsequent use. It is also convenient to flexibly disassemble and replace the extension plate 3 when it is worn or cracked, making the whole more practical. Although this disassembly and assembly method requires a large modification to the original coal head body 2, compared with the bolt fixing method in Embodiment 1, its manual operation during disassembly and assembly is simpler and more convenient. There is no need to manually disassemble and install multiple fixing bolts 9. You only need to operate the electric push rod 11 and manually assist the insertion and removal of the mounting plate 16. The operation of disassembling and assembling the extension plate 3 is more time-saving, labor-saving, quick and practical.

[0026] In this embodiment, the vertical portion of the mounting plate 16 is adapted to the corresponding slot 10, and the limiting rod 14 is adapted to the corresponding limiting through hole 17 and limiting blind hole 15 to ensure the smooth fixed installation of the extension plate 3.

[0027] In this embodiment, the mounting plate 16 is made of aluminum foam, which is an existing material with high damping, shock absorption, energy absorption, corrosion resistance, and other properties. It can play a certain role in shock absorption, which is more conducive to the smooth operation of coal pressing and ensures the service life of the corresponding plate, making it more practical.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. 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 coal compaction head for a tamping station, comprising a coal car and a coal compaction head body disposed above the coal car, wherein there are gaps between the left and right sides of the coal compaction head body and the corresponding inner sidewalls of the coal car, characterized in that, Extension plates can be detachably installed on both the left and right ends of the bottom of the coal pressing head body, and the tail end of the extension plate abuts against the inner wall of the coal car on the same side.

2. The coal compaction head for tamping coal at the tamping station according to claim 1, characterized in that, The extension plate is a rubber belt.

3. The coal compaction head for tamping coal at the tamping station according to claim 1, characterized in that, Fixing plates are welded to both the left and right ends of the bottom of the coal pressing head body. Several threaded blind holes are spaced apart along the length of the bottom of the fixing plate. A support plate is welded to the bottom of the extension plate corresponding to the fixing plate. A through hole is opened on the extension plate corresponding to the threaded blind hole. A threaded through hole is opened on the support plate corresponding to the threaded blind hole. The same fixing bolt is screwed onto the same set of threaded through holes, through holes and threaded blind holes.

4. The coal compaction head for tamping coal at the tamping station according to claim 3, characterized in that, Both the fixing plate and the support plate are made of aluminum foam.

5. The coal compaction head for tamping coal at the tamping station according to claim 1, characterized in that, Slots are provided on both the left and right ends of the bottom of the coal pressing head body. The slots penetrate the coal pressing head body in the front-to-back direction. An electric push rod is horizontally fixed inside the coal pressing head body on the side of the slot near the coal car side wall on the same side. An active cavity communicating with the slot is provided inside the coal pressing head body on the side of the electric push rod near the slot. The telescopic end of the electric push rod extends into the active cavity and is fixedly connected to a limiting plate. Several limiting rods distributed in a rectangular array are fixed on the side of the limiting plate near the slot. Limiting blind holes are opened on the slot wall corresponding to the limiting rods. The extension plate is welded to the horizontal part of an L-shaped mounting plate. The vertical part of the mounting plate is inserted into the slot, and limiting through holes are opened at the positions corresponding to the limiting rods. The limiting plate abuts against the vertical part of the mounting plate. The limiting rods pass through the corresponding limiting through holes and are inserted into the corresponding limiting blind holes.

6. The coal compaction head for tamping coal at the tamping station according to claim 5, characterized in that, The vertical portion of the mounting plate is adapted to the corresponding slot, and the limiting rod is adapted to the corresponding limiting through hole and limiting blind hole.

7. The coal compaction head for tamping coal at the tamping station according to claim 5, characterized in that, The mounting plate is made of aluminum foam.