Permanent closed pneumatic loess tamper

Abstract

The utility model belongs to the technical field of underground loess wall tamping, and particularly relates to a permanent closed pneumatic loess tamper which comprises a support, an adjusting structure is mounted on the top of the support, and a tamping structure is assembled on the adjusting structure. The tamping structure comprises an air pick body, a handle is installed on the top of the air pick body, installation blocks are fixed to the two sides of the top of the air pick body respectively, drill rods are assembled to the bottoms of the installation blocks in an inserted mode, and tamping plates are fixed to the bottom ends of the drill rods. The tamping plate is welded to the bottom of the drill rod, the tamping plate can work on the loess surface under a mine in a reciprocating mode through the reciprocating hammering action of the hammer head in the air pick body under the action of air pressure and transmission of the drill rod, the tamping degree of loess and the compactness of the loess wall are gradually enhanced, and the operation tool is convenient to operate and high in practicability. And the underground operation is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of underground loess wall compaction, in particular to a permanently sealed pneumatic loess compactor. Background Art

[0002] In order to ensure the safety of the working surface and prevent the broken soil from falling on the cave wall and injuring the workers during the operation of the coal mine, the loose loess wall is compacted and tidied after excavation. When building the loess wall underground, the workers generally use wooden hammers to compact the loess to achieve the arrangement of the working channel;

[0003] In the process of compacting the loess wall underground, wooden hammers are used. The space required for the swing of the hammers is large, which is not conducive to operations in narrow mine tunnels. Secondly, when compacting with hammers, the progress of the operation is limited, which affects the operation process and poses a safety hazard. Therefore, a permanently enclosed pneumatic loess compactor is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology, in the process of compacting the loess walls in underground coal mines, wooden hammers are used. The space required for the swing of the earth hammer for compaction is large, which is not conducive to operations in narrow mine tunnels. Secondly, when compacting with the earth hammer, the progress of the operation is limited, which affects the progress of the operation and poses a safety hazard. The utility model proposes a permanently enclosed pneumatic loess compactor, which can quickly and effectively achieve the compaction of the loess walls, and the required motion surface effect, and the operation is more convenient and safe.

[0005] The technical solution adopted by the utility model to solve the technical problem is a permanent closed pneumatic loess compactor, comprising: a support, the top of which is equipped with an adjustment structure, and a compaction structure is assembled on the adjustment structure;

[0006] The compaction structure comprises a pneumatic pick body, a handle is installed on the top of the pneumatic pick body, mounting blocks are fixed on both sides of the top of the pneumatic pick body, a drill rod is plugged and assembled at the bottom of the mounting block, and a compaction plate is fixed at the bottom end of the drill rod;

[0007] A limit sleeve is installed on the top of the pneumatic pick body, and a spring is spirally assembled on the limit sleeve;

[0008] An air nozzle is arranged at the upper middle part of the pneumatic pick body.

[0009] Preferably, the adjustment structure includes a lifting frame, a lifting motor is installed on the top of the lifting frame, a lifting screw is installed on the output end of the lifting motor, the lifting screw is vertically arranged in the lifting frame, a movable plate is movably arranged in the lifting frame, a screw hole is opened in the middle of the movable plate, the lifting screw rotates through the screw hole, limit strips are arranged on the vertically opposite inner parts on both sides of the lifting frame, limit grooves are arranged on the outer walls on both sides of the movable plate, and the limit strips are arranged corresponding to the limit grooves.

[0010] Preferably, the adjustment structure also includes a positioning plate, which is fixed on the movable plate, a rotating column is rotatably installed at one end of the movable plate, and a rotating plate is fixed on the outer side of the rotating column, wherein a positioning hole is opened on the rotating plate, and a plurality of limiting holes are opened on the positioning plate, one of the positioning holes corresponds to one of the limiting holes, and the positioning pin passes through the positioning hole and one of the limiting holes at the same time.

[0011] Preferably, an assembly seat is fixed at one end of the rotating column, an assembly socket is provided on the assembly seat, the mounting blocks on both sides of the top of the pneumatic pick body are movably arranged between the inner walls on both sides of the assembly seat, a mounting rod hole is provided in the mounting block, and the mounting block and the assembly seat are installed by means of mounting pins.

[0012] Preferably, a wheel frame is fixed on the top side of the support, and track wheels are rotatably mounted on the wheel frame, and tracks are mounted on the external transmission of multiple track wheels.

[0013] Preferably, a positioning rod is vertically fixed to the top side of the support, a counterweight block is strung on the positioning rod, and a cavity is preset in the counterweight block.

[0014] Preferably, limit strips are arranged inside the vertically opposite two sides of the lifting frame, and limit grooves are arranged on the outer walls of the two sides of the movable plate, and the limit strips are arranged corresponding to the limit grooves.

[0015] The utility model is beneficial in that:

[0016] In order to better adapt to the compaction operation of the working surface in the mine, the utility model has a compaction plate welded on the bottom of the drill rod, and the hammer head in the pneumatic pick body reciprocates under the action of wind pressure, and the compaction plate can be reciprocated on the loess surface in the mine through the transmission of the drill rod, so as to gradually enhance the compaction degree of the loess and the density of the loess wall. The working tool is more convenient to operate and is more convenient for underground operations.

[0017] At the same time, by setting up the adjustment structure, it can cooperate with the compaction structure. When the working surface meets the use combination, it can save manpower and at the same time improve the compaction progress of the underground loess surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure;

[0020] Figure 2 To consolidate the structural diagram;

[0021] Figure 3 It is the overall main view schematic diagram;

[0022] Figure 4 for Figure 3 Schematic diagram of section along AA;

[0023] In the figure: 1. support, 2. positioning rod, 3. counterweight, 4. lifting frame, 5. lifting motor, 6. positioning plate, 7. lifting screw, 8. wheel frame, 9. track wheel, 10. track, 11. positioning hole, 12. positioning pin, 13. rotating plate, 14. handle, 15. mounting block, 16. mounting pin, 17. air nozzle, 18. pneumatic pick body, 19. spring, 20. drill rod, 21. tamping plate, 22. movable plate, 23. rotating column. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 As shown, a permanent closed pneumatic loess compactor comprises: a support 1, an adjusting structure is installed on the top of the support 1, and a compacting structure is assembled on the adjusting structure;

[0026] The compaction structure includes a pneumatic pick body 18, a handle 14 is installed on the top of the pneumatic pick body 18, mounting blocks 15 are fixed on both sides of the top of the pneumatic pick body 18, a drill rod 20 is plugged and assembled at the bottom of the mounting block 15, and a compaction plate 21 is fixed at the bottom end of the drill rod 20;

[0027] A limiting sleeve is installed on the top of the pneumatic pick body 18, and a spring 19 is spirally installed on the limiting sleeve, which can play a shock-absorbing effect and prevent the drill rod 20 from being separated, and can play a limiting role on the drill rod 20;

[0028] An air nozzle 17 is installed in the upper middle part of the pneumatic pick body 18, and the air nozzle 17 enables the pneumatic pick body 18 to be connected to an external air pump, so as to realize air intake operation and provide power for the pneumatic pick operation. In order to better adapt to the compaction operation on the working surface underground in the mine, a compaction plate 21 is welded on the bottom of the drill rod 20. Through the reciprocating hammering action of the hammer head inside the pneumatic pick body 18 under the action of wind pressure, the compaction plate 21 can be driven by the drill rod 20 to realize the reciprocating operation of the loess surface underground in the mine, so as to gradually enhance the compaction degree of the loess and the density of the loess wall. The operating tool is more convenient to operate and is more convenient for underground operations.

[0029] The adjustment structure includes a lifting frame 4, a lifting motor 5 is installed on the top of the lifting frame 4, and a lifting screw 7 is installed on the output end of the lifting motor 5. The lifting screw 7 is vertically arranged in the lifting frame 4, and a movable plate 22 is movably arranged in the lifting frame 4. A screw hole is opened in the middle of the movable plate 22. The lifting screw 7 rotates and passes through the screw hole. Under the action of the lifting motor 5, the lifting screw 7 can be driven to rotate. Limiting strips are arranged on the vertically opposite interiors on both sides of the lifting frame 4, and limiting grooves are arranged on the outer walls on both sides of the movable plate 22. The limiting strips are arranged corresponding to the limiting grooves. With the cooperation of the limiting strips, the movable plate 22 can be guaranteed to move up and down stably, and can better cooperate to realize the operation of compacting the structure.

[0030] The adjusting structure also includes a positioning disk 6, which is fixed on the movable plate 22, and a rotating column 23 is rotatably installed on one end of the movable plate 22, and a rotating disk 13 is fixed on the outer side of the rotating column 23, wherein a positioning hole is opened on the rotating disk 13, and a plurality of limiting holes are opened on the positioning disk 6, one of which is corresponding to one of the limiting holes, and the positioning pin 12 passes through the positioning hole and one of the limiting holes at the same time, and an assembly seat is fixed on one end of the rotating column 23, and an assembly socket is opened on the assembly seat, and the mounting blocks 15 on both sides of the top of the pneumatic pick body 18 are movably arranged between the inner walls on both sides of the assembly seat, and the mounting blocks 15 are provided with mounting rod holes, and the mounting blocks 15 and the assembly seat are installed in cooperation with the mounting pins 16, and the tamping structure is operated by the mounting pins 16, so that the tamping assembly can be installed on the assembly seat on the adjusting structure, which can provide support for the tamping structure, and the working height of the tamping structure can be adjusted by the operation of the lifting motor 4;

[0031] By rotating the rotating column 23, the operation direction of the compaction structure can be adjusted. After the rotating disk 13 rotates, the positioning holes on the rotating disk 13 correspond to the limiting holes on the positioning disk 6. With the cooperation of the positioning pin 12, the compaction direction of the compaction structure can be adjusted, which can better adapt to the underground operation.

[0032] When no assistance is needed, the compaction structure can also be separated separately and operated manually.

[0033] A wheel frame 8 is fixed on the top side of the support 1, and a crawler wheel 9 is rotatably installed on the wheel frame 8. The external transmission of multiple crawler wheels 9 is installed with a crawler track 10. By setting up a crawler track support structure, the ground contact area of ​​the crawler track 10 is larger, and the walking in underground operations is more stable. At the same time, the force degree is greater, which ensures the stability of the supporting foundation during the compaction operation process.

[0034] A positioning rod 2 is vertically fixed to the top side of the support 1, and a counterweight block 3 is strung on the positioning rod 2. A cavity is preset in the counterweight block 3. By increasing the number of the counterweight blocks 3, the stability of the base can be improved and the foundation stability of the compaction operation can be ensured.

[0035] In the description of this specification, the basic principles, main features and advantages of the utility model are shown and described above. For those skilled in the art, they can still modify the technical solutions recorded in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model shall fall within the scope of the utility model claimed for protection.

Claims

1. A permanently enclosed pneumatic loess compactor, Features: include: A support (1), wherein an adjustment structure is mounted on the top of the support (1), and a tamping structure is assembled on the adjustment structure; A compacting structure, the compacting structure comprising a pneumatic pick body (18), a handle (14) being installed on the top of the pneumatic pick body (18), mounting blocks (15) being fixed on both sides of the top of the pneumatic pick body (18), a drill rod (20) being plugged and assembled at the bottom of the mounting block (15), and a compacting plate (21) being fixed at the bottom end of the drill rod (20); A limiting sleeve is installed on the top of the pneumatic pick body (18), and a spring (19) is spirally mounted on the limiting sleeve; An air nozzle (17) is mounted at the upper middle portion of the pneumatic pick body (18).

2. A permanently enclosed pneumatic loess compactor according to claim 1, Features: The adjustment structure comprises a lifting frame (4), a lifting motor (5) is mounted on the top of the lifting frame (4), a lifting screw (7) is mounted on the output end of the lifting motor (5), the lifting screw (7) is vertically arranged in the lifting frame (4), a movable plate (22) is movably arranged in the lifting frame (4), a screw hole is opened in the middle of the movable plate (22), and the lifting screw (7) rotates and passes through the screw hole.

3. A permanently enclosed pneumatic loess compactor according to claim 2, Features: The adjustment structure also includes a positioning disk (6), the positioning disk (6) is fixed on the movable plate (22), a rotating column (23) is rotatably mounted on one end of the movable plate (22), a rotating disk (13) is fixed on the outer side of the rotating column (23), wherein a positioning hole is provided on the rotating disk (13), a plurality of limiting holes are provided on the positioning disk (6), one of the positioning holes corresponds to one of the limiting holes, and the positioning pin (12) passes through the positioning hole and one of the limiting holes at the same time.

4. A permanently enclosed pneumatic loess compactor according to claim 3, Features: An assembly seat is fixed at one end of the rotating column (23), and an assembly socket is provided on the assembly seat. The mounting blocks (15) on both sides of the top of the pneumatic pick body (18) are movably arranged between the inner walls on both sides of the assembly seat, and a mounting rod hole is provided in the mounting block (15). The mounting block (15) and the assembly seat are mounted in cooperation with each other through a mounting pin (16).

5. A permanently enclosed pneumatic loess compactor according to claim 4, Features: A wheel frame (8) is fixed on the top side of the support (1), a crawler wheel (9) is rotatably mounted on the wheel frame (8), and crawlers (10) are mounted on the external transmission of a plurality of crawler wheels (9).

6. A permanently sealed pneumatic loess compactor according to claim 5, Features: A positioning rod (2) is vertically fixed on the top side of the support (1), a counterweight block (3) is strung on the positioning rod (2), and a cavity is preset in the counterweight block (3).

7. A permanently sealed pneumatic loess compactor according to claim 2, Features: Limiting strips are arranged vertically inside the two sides of the lifting frame (4), and limiting grooves are arranged on the outer walls of the two sides of the movable plate (22), and the limiting strips are arranged corresponding to the limiting grooves.

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