Bin wall rapping air hammer for coal bucket

Abstract

The utility model relates to a bunker wall rapping air hammer for a coal bunker, which comprises a working box, a vibrating head for rapping the bunker wall of the coal bunker is fixedly arranged at one end of the working box, a telescopic cylinder for repeatedly rapping the vibrating head is arranged in the working box, and the vibrating head is continuously rapped on the side part of the vibrating head through an output shaft of the telescopic cylinder. The vibrating head continuously beats the bunker wall of the coal bucket, and a lubricating mechanism for lubricating an output shaft of the telescopic air cylinder is arranged at the top of the working box; the lubricating mechanism comprises a lubricating box, the bottom of the lubricating box penetrates through and is slidably arranged at the top of the working box, and reset mechanisms for driving the lubricating box to reset are fixedly arranged at the two ends of the lubricating box; the problems that in the prior art, although the bin wall of a hopper can be cleaned, a telescopic air cylinder arranged in an air hammer can be abraded or rusted after being used for a long time, so that the vibration effect of the air hammer is affected, and the working efficiency is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of air hammers, in particular to a coal hopper bin wall vibration air hammer. Background Art

[0002] A Chinese patent discloses a hopper wall vibrating air hammer (publication number: CN103086096B), which includes a left support, a right support, and a hammer head. The left and right supports are provided with air inlet holes, air inlet channels, and circular bosses with grooves; the circular bosses are threadedly connected to the cylinder body; a sealing ring I is installed on the circular bosses of the left and right supports, and a rubber pad I is arranged on the end face of the circular boss; the piston is provided with 2-3 grooves, a sealing ring II is installed at the position of the grooves, and impact-resistant rubber pads II are arranged on both sides; a sealing ring III is arranged at the connection between the right support and the piston rod, etc. The present invention has a simple structure and low manufacturing cost. The entire device is installed outside the hopper wall, and maintenance is quick and convenient; it is particularly suitable for dredging the raw coal hopper of a thermal power plant, and can effectively solve the problems of coal heap, arching, and coal blocking during operation. It can also be widely used in powder processing industries such as chemicals, fertilizers, food, ceramics, glass, cement, pharmaceuticals, plastics, and fuels.

[0003] In the above patent, although the hopper wall can be cleaned, the telescopic cylinder arranged inside the air hammer will cause wear or rust during long-term use, thereby affecting the effect of the air hammer vibration and reducing work efficiency.

[0004] In order to solve the above defects, a technical solution is now provided. Utility Model Content

[0005] The technical problems to be solved by the utility model are as follows:

[0006] In the prior art, although the hopper bin wall can be cleaned, the telescopic cylinder arranged inside the air hammer will cause wear or rust during long-term use, thereby affecting the effect of the air hammer vibration and reducing work efficiency.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] A coal hopper wall vibrating air hammer comprises a working box, one end of which is fixedly provided with a vibrating head for vibrating the coal hopper wall, a telescopic cylinder for repeatedly beating the vibrating head is provided inside the working box, the output shaft of the telescopic cylinder continuously beats the side of the vibrating head, so that the vibrating head continuously beats the coal hopper wall, and a lubrication mechanism for lubricating the output shaft of the telescopic cylinder is provided on the top of the working box;

[0009] The lubrication mechanism includes a lubrication box, the bottom of which passes through and is slidably arranged on the top of the working box, both ends of the lubrication box are fixedly provided with a reset mechanism for driving the lubrication box to reset, a lubrication cavity is opened inside the lubrication box, a plurality of material taking shafts are telescopically arranged at the bottom of the lubrication box, the top ends of the material taking shafts extend into the lubrication cavity, and a sponge is fixedly arranged at the bottom of the material taking shafts.

[0010] Furthermore, a driving box is fixedly installed on one side of the working box, and a driving member for driving the telescopic cylinder inside the working box to reciprocate and telescope is arranged inside the driving box.

[0011] Furthermore, two support handles are fixedly installed between the driving box and the working box, and the support handles are used to pick up the air hammer as a whole, so that the air hammer can be manually held for use.

[0012] Furthermore, the material taking shaft is a hollow structure, a through hole is provided at the bottom of the material taking shaft, the material taking shaft is tightly fitted with the lubrication box, and a material taking groove is penetrated through the outer surface of the material taking shaft.

[0013] Furthermore, a telescopic spring is fixedly arranged between the sponge and the lubrication box, and the telescopic spring is integrally sleeved and arranged outside the material taking shaft.

[0014] Furthermore, a first piston plate is slidably arranged inside the lubrication chamber, the top ends of several material-feeding shafts are fixedly connected to the first piston plate, a driving groove is opened at the top of the lubrication chamber, a second piston plate is slidably arranged inside the driving groove, lubricating oil is arranged between the bottom of the first piston plate and the lubrication chamber, and high-pressure oil is arranged between the top of the first piston plate and the second piston plate.

[0015] Furthermore, a threaded shaft is passed through and threadedly arranged on the top of the lubrication box, a handle is fixedly arranged on the top of the threaded shaft, and the bottom end of the threaded shaft passes through the driving groove and is rotatably connected to the top of the second piston plate.

[0016] Furthermore, the reset mechanism includes a reset plate fixedly arranged on the side of the lubrication box, a reset shaft fixedly arranged on the top of the working box, the top end of the reset shaft passes through the reset plate and a limit plate fixedly arranged, a reset spring fixedly arranged between the reset plate and the working box, and the reset spring is integrally sleeved on the outside of the reset shaft.

[0017] Beneficial effects of the utility model:

[0018] The utility model is provided with a lubricating mechanism, so that the handle drives the threaded shaft to rotate, thereby driving the second piston plate to move upward inside the driving groove, and the high-pressure oil is cooperated to realize the first piston plate to rise inside the lubrication chamber, so that the material taking shaft is pushed to move upward under the action of a plurality of telescopic springs, so that the material taking groove extends into the lubrication chamber to take the lubricating oil, and the sponge is oiled by the material taking shaft, so that the sponge stores the lubricating oil, the threaded shaft is rotated in the opposite direction, the second piston plate is driven to descend inside the driving groove, and the high-pressure oil is cooperated to realize the first piston plate to descend inside the lubrication chamber, so that the material taking grooves on the plurality of material taking shafts are hidden in the inner wall of the lubrication box, the oiling is stopped, and the lubrication box is pressed downward so that the plurality of sponges descend and abut against the output shaft surface of the telescopic cylinder, so that the oiling operation of the output shaft of the telescopic cylinder is completed, the sponge is provided to store the lubricating oil, and the lifting and lowering of the lubrication box is driven to cooperate with the sponge for contact lubrication, so as to avoid the direct dripping of the lubricating oil, which not only saves the lubricating oil but also avoids the lubricating oil splashing to affect the internal environment of the working box, and the lubricating box is released to reset under the action of the reset spring and the reset shaft, and wait for the next lubrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the lubrication mechanism and the reset mechanism in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the lubrication box in the utility model;

[0023] Figure 4 It is a schematic diagram of the internal structure of the lubrication box in the utility model;

[0024] Figure 5 It is a structural schematic diagram of the material taking shaft in the utility model.

[0025] In the figure: 1. working box; 2. driving box; 3. lubrication mechanism; 4. reset mechanism; 11. vibration head; 12. support handle; 31. lubrication box; 32. lubrication chamber; 33. material taking shaft; 34. sponge; 35. material taking slot; 36. telescopic spring; 37. first piston plate; 38. driving slot; 39. second piston plate; 310. threaded shaft; 41. reset plate; 42. reset shaft; 43. reset spring. DETAILED DESCRIPTION

[0026] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0027] See also Figure 1-Figure 5 , the utility model provides a technical solution:

[0028] A coal hopper wall rapping air hammer comprises a working box 1, one end of the working box 1 is fixedly provided with a rapping head 11 for rapping the coal hopper wall, a telescopic cylinder for repeatedly rapping the rapping head 11 is provided inside the working box 1, and the output shaft of the telescopic cylinder continuously raps the side of the rapping head 11, so that the rapping head 11 continuously raps the coal hopper wall, and a lubrication mechanism 3 for lubricating the output shaft of the telescopic cylinder is provided on the top of the working box 1;

[0029] The lubrication mechanism 3 includes a lubrication box 31, the bottom of which passes through and is slidably arranged on the top of the working box 1, and both ends of the lubrication box 31 are fixedly provided with a reset mechanism 4 for driving the lubrication box 31 to reset. A lubrication cavity 32 is opened inside the lubrication box 31, and a plurality of material collection shafts 33 are telescopically arranged at the bottom of the lubrication box 31, and the top ends of the material collection shafts 33 extend into the lubrication cavity 32, and a sponge 34 is fixedly arranged at the bottom of the material collection shafts 33.

[0030] A driving box 2 is fixedly mounted on one side of the working box 1, and a driving member for driving the telescopic cylinder inside the working box 1 to reciprocate and retract is arranged inside the driving box 2. The driving member is a common component of an air hammer in the prior art, and is used to drive the telescopic cylinder to continuously retract and retract, thereby realizing the continuous hammering of the air hammer on the silo.

[0031] Two support handles 12 are fixedly installed between the driving box 2 and the working box 1. The support handles 12 are used to pick up the air hammer as a whole, so as to realize manual grip of the air hammer for use.

[0032] The material taking shaft 33 is a hollow structure, and a through hole is provided at the bottom of the material taking shaft 33. The material taking shaft 33 is closely fitted with the lubrication box 31, and a material taking groove 35 is penetrated through the outer surface of the material taking shaft 33. The material taking groove 35 extends into the lubrication cavity 32 to take the lubricating oil, and the sponge 34 is oiled through the material taking shaft 33.

[0033] A telescopic spring 36 is fixedly disposed between the sponge 34 and the lubrication box 31 , and the telescopic spring 36 is integrally sleeved and disposed outside the material taking shaft 33 .

[0034] A first piston plate 37 is slidably disposed inside the lubrication chamber 32, and the top ends of the plurality of material taking shafts 33 are fixedly connected to the first piston plate 37. A driving groove 38 is provided at the top of the lubrication chamber 32, and a second piston plate 39 is slidably disposed inside the driving groove 38. Lubricating oil is disposed between the bottom of the first piston plate 37 and the lubrication chamber 32, and high-pressure oil is disposed between the top of the first piston plate 37 and the second piston plate 39.

[0035] A threaded shaft 310 is passed through the top of the lubrication box 31 and is threadedly provided. A handle is fixedly provided on the top of the threaded shaft 310 . The bottom end of the threaded shaft 310 passes through the driving groove 38 and is rotatably connected to the top of the second piston plate 39 .

[0036] By setting the lubricating mechanism 3, the handle drives the threaded shaft 310 to rotate, thereby driving the second piston plate 39 to move upward inside the driving groove 38, and the high-pressure oil is used to realize the first piston plate 37 to rise inside the lubricating chamber 32, so that the material collection shaft 33 is pushed to move upward under the action of a plurality of telescopic springs 36, so that the material collection groove 35 extends into the lubricating chamber 32 to collect the lubricating oil, and the sponge 34 is oiled by the material collection shaft 33, so that the sponge 34 stores the lubricating oil, and the threaded shaft 310 is rotated in the opposite direction to drive the second piston plate 39 to move upward inside the driving groove 38. The oiling operation on the output shaft of the telescopic cylinder is completed by setting the sponge 34 to store the lubricating oil, and driving the lifting and lowering of the lubricating box 31 to cooperate with the sponge 34 for contact lubrication, thereby avoiding the direct dripping of the lubricating oil, which not only saves the lubricating oil but also avoids the splashing of the lubricating oil to affect the internal environment of the working box 1.

[0037] The reset mechanism 4 includes a reset plate 41 fixedly arranged on the side of the lubrication box 31, a reset shaft 42 is fixedly arranged on the top of the working box 1, the top end of the reset shaft 42 passes through the reset plate 41 and is fixedly arranged with a limit plate, a reset spring 43 is fixedly arranged between the reset plate 41 and the working box 1, and the reset spring 43 is integrally sleeved on the outside of the reset shaft 42.

[0038] By setting the reset mechanism 4, when in use, by pressing the lubrication box 31 downward, the lubrication box 31 overcomes the force of the reset spring 43 and moves downward, thereby achieving lubrication of the output shaft of the telescopic cylinder. The lubrication box 31 is released so that it can be reset under the action of the reset spring 43 and the reset shaft 42, waiting for the next lubrication.

[0039] Working principle:

[0040] When the utility model is in use, through the setting of the lubricating mechanism 3, the handle drives the threaded shaft 310 to rotate, thereby driving the second piston plate 39 to move upward inside the driving groove 38, and the high-pressure oil is used to realize the first piston plate 37 to rise inside the lubricating chamber 32, so that the material collection shaft 33 is pushed to move upward under the action of a plurality of telescopic springs 36, so that the material collection groove 35 extends into the lubricating chamber 32 to collect the lubricating oil, and the sponge 34 is oiled by the material collection shaft 33, so that the sponge 34 stores the lubricating oil, and the threaded shaft 310 is rotated in the opposite direction to drive the second piston plate 39 to descend inside the driving groove 38, and the high-pressure oil is used to realize the first piston plate 37 to rise inside the lubricating chamber 32. The plate 37 descends inside the lubrication cavity 32, so that the material taking grooves 35 on the plurality of material taking shafts 33 are hidden in the inner wall of the lubrication box 31, and the oiling is stopped. The lubrication box 31 is pressed downward so that the plurality of sponges 34 descend and abut against the output shaft surface of the telescopic cylinder, and the oiling operation on the output shaft of the telescopic cylinder is completed. The lubricating oil is stored by setting the sponge 34, and the lifting and lowering of the lubrication box 31 is driven to cooperate with the sponge 34 for contact lubrication, thereby avoiding the direct dripping of the lubricating oil, which not only saves the lubricating oil but also avoids the splashing of the lubricating oil to affect the internal environment of the working box 1. The lubrication box 31 is released to reset it under the action of the reset spring 43 and the reset shaft 42, and wait for the next lubrication.

[0041] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A coal hopper wall vibrating air hammer, comprising a working box (1), characterized in that: A vibrating head (11) for vibrating the coal hopper bin wall is fixedly arranged at one end of the working box (1), a telescopic cylinder for repeatedly beating the vibrating head (11) is arranged inside the working box (1), and the output shaft of the telescopic cylinder continuously beats the side of the vibrating head (11), so that the vibrating head (11) continuously beats the coal hopper bin wall, and a lubrication mechanism (3) for lubricating the output shaft of the telescopic cylinder is arranged on the top of the working box (1); The lubrication mechanism (3) comprises a lubrication box (31), the bottom of the lubrication box (31) penetrates through and is slidably arranged on the top of the working box (1), both ends of the lubrication box (31) are fixedly provided with a reset mechanism (4) for driving the lubrication box (31) to reset, a lubrication cavity (32) is provided inside the lubrication box (31), a plurality of material taking shafts (33) are telescopically arranged at the bottom of the lubrication box (31), the top ends of the material taking shafts (33) extend into the lubrication cavity (32), and a sponge (34) is fixedly arranged at the bottom of the material taking shafts (33).

2. A coal hopper wall rapping air hammer according to claim 1, characterized in that: A driving box (2) is fixedly mounted on one side of the working box (1), and a driving member for driving the telescopic cylinder inside the working box (1) to reciprocate and telescope is arranged inside the driving box (2).

3. A coal hopper wall rapping air hammer according to claim 2, characterized in that: Two support handles (12) are fixedly installed between the driving box (2) and the working box (1), and the support handles (12) are used to pick up the air hammer as a whole, so as to realize manual gripping of the air hammer for use.

4. A coal hopper wall rapping air hammer according to claim 1, characterized in that: The material taking shaft (33) is a hollow structure, a through hole is provided at the bottom of the material taking shaft (33), the material taking shaft (33) is tightly fitted with the lubrication box (31), and a material taking groove (35) is penetrated through the outer surface of the material taking shaft (33).

5. A coal hopper wall rapping air hammer according to claim 1, characterized in that: A telescopic spring (36) is fixedly arranged between the sponge (34) and the lubrication box (31), and the telescopic spring (36) is integrally sleeved and arranged outside the material taking shaft (33).

6. A coal hopper wall rapping air hammer according to claim 1, characterized in that: A first piston plate (37) is slidably arranged inside the lubrication chamber (32), the top ends of the plurality of material taking shafts (33) are fixedly connected to the first piston plate (37), a driving groove (38) is provided at the top of the lubrication chamber (32), a second piston plate (39) is slidably arranged inside the driving groove (38), lubricating oil is arranged between the bottom of the first piston plate (37) and the lubrication chamber (32), and high-pressure oil is arranged between the top of the first piston plate (37) and the second piston plate (39).

7. A coal hopper wall rapping air hammer according to claim 6, characterized in that: A threaded shaft (310) is threadedly provided through the top of the lubrication box (31), a handle is fixedly provided at the top of the threaded shaft (310), and the bottom end of the threaded shaft (310) passes through the driving groove (38) and is rotatably connected to the top of the second piston plate (39).

8. A coal hopper wall rapping air hammer according to claim 1, characterized in that: The reset mechanism (4) comprises a reset plate (41) fixedly arranged on the side of the lubrication box (31); a reset shaft (42) is fixedly arranged on the top of the working box (1); the top end of the reset shaft (42) passes through the reset plate (41) and is fixedly provided with a limit plate; a reset spring (43) is fixedly arranged between the reset plate (41) and the working box (1); and the reset spring (43) is integrally sleeved and arranged outside the reset shaft (42).

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