CN218933276U

CN218933276U - Hydraulic breaking hammer for underwater operation

Info

Publication number: CN218933276U
Application number: CN202223352594.1U
Authority: CN
Inventors: 张恒; 刘晓慧; 刘涛; 朱鹏; 姜炳晨; 于宗明
Original assignee: CCCC Guangzhou Dredging Co Ltd.
Current assignee: CCCC Guangzhou Dredging Co Ltd.
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-04-28
Anticipated expiration: 2032-12-13

Abstract

The utility model belongs to the technical field of hydraulic breaking hammers, in particular to a hydraulic breaking hammer for underwater operation, which comprises a cylinder body; the utility model uses the fixed internal thread reinforcing sleeve on the hardening head by the reinforcing connecting component, which can rotate to the outside of the junction between the hardening head and the joint to form a wrapping protection structure after the hardening head and the joint are fixed, and at the same time, the integral structural strength of the junction between the joint and the hardening head is increased, the joint is prevented from wearing, deforming and leaking in the continuous pulling and bending stress process, the air pressure in the cylinder is ensured, the service life of the cylinder is prolonged, and the sealing performance of the cylinder is further ensured by matching with a plurality of groups of sealing rings.

Description

Hydraulic breaking hammer for underwater operation

Technical Field

The utility model relates to the technical field of hydraulic breaking hammers, in particular to a hydraulic breaking hammer for underwater operation.

Background

The working principle of the hydraulic breaking hammer is as follows: the hydraulic pump of the excavator and the loader is used for outputting pressure oil as power, the piston is controlled to reciprocate through the distributing valve, the rear cavity of the middle cylinder of the breaking hammer is filled with high-pressure hydraulic oil during the stroke, the piston is impacted by the combined action of compressed ammonia gas and high-pressure oil in the upper cylinder to break rock by the drill rod, and during the return stroke, the front cavity of the middle cylinder is communicated with the high-pressure oil to push the piston to move backwards and compress the ammonia gas in the upper cylinder, so that one working cycle is completed.

The utility model of China patent application 201320289854.7 discloses a hydraulic breaking hammer which comprises an upper cylinder body and a lower cylinder body, wherein the upper cylinder body is provided with an ammonia air chamber, the lower end of the lower cylinder body is provided with a drill rod, the lower cylinder body is provided with a 45-degree elbow, the 45-degree elbow is connected with an air pipe, and the air pipe is connected with an air compressor.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: when the hydraulic breaking hammer is connected with the air compressor to operate in water, the connecting air pipe is continuously bent, stretched and pulled to bear force along with the arm of the large arm of the excavator, the joint of the hardening head on the connecting air pipe and the cylinder body is easily worn by force, so that the air tightness of the hydraulic breaking hammer is affected, the air pressure in the cylinder body is unstable, and in addition, the longer connecting air pipe lacks a containing structure in a non-working state; therefore, a hydraulic breaking hammer for underwater operation is proposed in view of the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects of the prior art and solve the problems that the joint of the hardening head on the connecting air pipe and the cylinder body is easy to be stressed to cause abrasion and lacks a pipe body containing structure, the utility model provides a hydraulic breaking hammer for underwater operation.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a hydraulic breaking hammer for underwater operation, which comprises a cylinder body; the top fixed mounting of cylinder body has the ammonia air chamber, the top fixed mounting of ammonia air chamber has the installation piece, the bottom movable mounting of cylinder body has the impact bar, the left side of cylinder body is provided with the air compressor machine, the top fixed mounting of air compressor machine right surface has the connection trachea, the bottom fixed mounting of cylinder body front surface has the joint, the joint is provided with the reinforcing connection subassembly with the junction of connecting the trachea, the right side middle part of air compressor machine front surface is provided with accomodates the subassembly.

Preferably, the reinforcing connection assembly comprises a hardening head, the hardening head is fixedly arranged on one side surface of the connecting air pipe, which is close to the joint, an internal thread reinforcing sleeve is arranged on the hardening head in a threaded manner, thread grooves are formed in the outer side surfaces of the hardening head and the joint, and a limit bump is fixedly arranged on the outer side of the front surface of the hardening head.

Preferably, the outer side of the rear surface of the hardening head is fixedly provided with a first sealing ring, the middle part of the rear surface of the hardening head is fixedly provided with an external thread annular block, and the outer side of the rear surface of the external thread annular block is fixedly provided with a second sealing ring.

Preferably, a threaded hole is formed in the middle of the front surface of the joint, and the joint and the hardening head are fixed through mutual matching and threaded connection of the threaded hole and the external thread annular block.

Preferably, an annular projection is fixedly arranged in the middle of the inner wall of the joint, a third sealing ring is fixedly arranged on the front surface of the annular projection, and a fourth sealing ring is fixedly arranged on the outer side of the front surface of the joint.

Preferably, the storage assembly comprises a first circular plate, a winding shaft is fixedly arranged in the middle of the front surface of the first circular plate, a second circular plate is fixedly arranged on the front surface of the winding shaft, a threaded connection hole is formed in the top of the front surface of the second circular plate, and a pressing screw is installed in the inner wall of the threaded connection hole in a threaded mode.

The utility model has the advantages that:

1. according to the utility model, through the reinforcing connecting assembly, the internal thread reinforcing sleeve which is fixed on the hardening head through threads can rotate to the outer side of the joint of the hardening head and the joint after the hardening head and the joint are fixed to form a wrapping protection structure, meanwhile, the overall structural strength of the joint and the hardening head is increased, the joint is prevented from being worn, deformed and leaked in the continuous pulling, bending and stressing process, the air pressure in a cylinder is ensured, the service life of the cylinder is prolonged, and the sealing performance of the cylinder is further ensured by matching with a plurality of groups of sealing rings.

2. According to the utility model, through the accommodating assembly, the longer connecting air pipe can be wound on the winding shaft in the static state or the moving state of the machine, and the use function is further increased by pressing the screw rod to limit the pressing, so that the practicability is stronger.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a disassembled structure of the reinforced connection assembly of the present utility model;

FIG. 3 is a schematic view showing the disassembly structure of the hardening head and the internal thread reinforcing sleeve of the present utility model;

fig. 4 is a schematic structural view of the storage assembly of the present utility model.

In the figure: 1. a cylinder; 2. an ammonia gas chamber; 3. a mounting block; 4. an impact bar; 5. a joint; 6. an air compressor; 7. connecting an air pipe; 8. reinforcing the connection assembly; 10. a receiving assembly; 81. hardening the head; 82. a thread groove; 83. a limit bump; 84. an internal thread reinforcing sleeve; 85. a first seal ring; 86. an externally threaded annular block; 87. a second seal ring; 88. a threaded hole; 89. an annular bump; 90. a third seal ring; 91. a fourth seal ring; 101. a first circular plate; 102. winding a shaft; 103. a second circular plate; 104. a threaded engagement hole; 105. the screw is pressed.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, a hydraulic breaking hammer for underwater operation includes a cylinder 1; the top fixed mounting of cylinder body 1 has ammonia air chamber 2, and the top fixed mounting of ammonia chamber 2 has installation piece 3, and the bottom movable mounting of cylinder body 1 has impact bar 4, and the left side of cylinder body 1 is provided with air compressor machine 6, and the top fixed mounting on air compressor machine 6 right surface has connection trachea 7, and the bottom fixed mounting of cylinder body 1 front surface has joint 5, and joint 5 is provided with the reinforcing connection subassembly 8 with the junction of connecting trachea 7, and the right side middle part of air compressor machine 6 front surface is provided with accomodates subassembly 10.

Further, the reinforcing connection assembly 8 comprises a hardening head 81, the hardening head 81 is fixedly arranged on one side surface of the connecting air pipe 7, which is close to the joint 5, an internal thread reinforcing sleeve 84 is arranged on the hardening head 81 in a threaded manner, thread grooves 82 are formed on the outer side surfaces of the hardening head 81 and the joint 5, a limit bump 83 is fixedly arranged on the outer side of the front surface of the hardening head 81, a first sealing ring 85 is fixedly arranged on the outer side of the rear surface of the hardening head 81, an external thread annular block 86 is fixedly arranged in the middle of the rear surface of the hardening head 81, a second sealing ring 87 is fixedly arranged on the outer side of the rear surface of the external thread annular block 86, a threaded hole 88 is formed in the middle of the front surface of the joint 5, the joint 5 and the hardening head 81 are fixedly connected with each other in a threaded manner through the threaded hole 88 and the external thread annular block 86, an annular bump 89 is fixedly arranged in the middle of the inner wall of the joint 5, the front surface of the annular projection 89 is fixedly provided with a third sealing ring 90, the outer side of the front surface of the joint 5 is fixedly provided with a fourth sealing ring 91, when the hardening head 81 and the joint 5 are connected, the hardening head 81 is rotated firstly, so that the external thread annular block 86 is screwed into the inner wall of the threaded hole 88 until the ring is rotated to the bottommost part, at the moment, the second sealing ring 87 and the third sealing ring 90 are mutually attached to form a seal, meanwhile, the first sealing ring 85 and the fourth sealing ring 91 are mutually attached to form a seal, then the internal thread reinforcing sleeve 84 is rotated until one end of the internal thread reinforcing sleeve 84 is screwed on the threaded groove 82 on the joint 5, the ring is continuously rotated to a proper position, the internal thread reinforcing sleeve 84 is fixed on the outer side of the joint to form a wrapping protection structure, the reinforcing connecting assembly 8 is arranged, the internal thread reinforcing sleeve 84 is screwed on the hardening head 81, can rotate to the outside of hardening head 81 and joint 5 junction after hardening head 81 is fixed with joint 5 and form the parcel protection architecture, also increased simultaneously and connect 5 and hardening head 81 junction's overall structure intensity, avoid joint 5 to be in constantly pulling bending atress in-process wearing and tearing deformation leakage, guarantee in-cylinder atmospheric pressure, increase its life, the multiunit sealing ring of cooperation can further guarantee its sealing performance simultaneously.

Further, accomodate subassembly 10 and include first plectane 101, and the middle part fixed mounting of first plectane 101 front surface has around axle 102, and the front surface fixed mounting of axle 102 has second plectane 103, and screw thread engagement hole 104 has been seted up at the top of second plectane 103 front surface, and screw thread engagement hole 104 installs the pressure screw 105 in the inner wall of screw thread engagement hole 104, and the accomodate subassembly 10 of setting can twine longer connecting trachea 7 on around axle 102 when machine stationary state or mobile state to press spacing through pressing screw 105, further increased the function of use, the practicality is stronger.

Working principle: when the hardening head 81 and the joint 5 are connected, the hardening head 81 is rotated firstly, the external thread annular block 86 is screwed into the inner wall of the threaded hole 88 until the ring is rotated to the bottommost part, at the moment, the second sealing ring 87 and the third sealing ring 90 are mutually attached to form a seal, meanwhile, the first sealing ring 85 and the fourth sealing ring 91 are mutually attached to form a seal, then the internal thread reinforcing sleeve 84 is rotated until one end of the internal thread reinforcing sleeve 84 is screwed on the threaded groove 82 on the joint 5 and is continuously rotated to a proper position, the internal thread reinforcing sleeve 84 is fixed on the outer side of the joint to form a wrapping protection structure, the design not only increases the integral structural strength of the joint 5 and the hardening head 81 on the connecting air pipe 7, but also facilitates disassembly and maintenance, when the machine is stationary or moves, the longer connecting air pipe 7 can be wound on the winding shaft 102, and then the pressing screw 105 is rotated towards the inner wall of the threaded engagement hole 104, so that the pressing screw 105 forms pressing limit on the wound connecting air pipe 7, and the practicability is stronger.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A hydraulic breaking hammer for underwater operation, comprising a cylinder (1); the method is characterized in that: the top of the cylinder body (1) is fixedly provided with an ammonia air chamber (2), the top of the ammonia air chamber (2) is fixedly provided with a mounting block (3), the bottom of the cylinder body (1) is movably provided with an impact rod (4), the left side of the cylinder body (1) is provided with an air compressor (6), the top fixed mounting of air compressor machine (6) right surface has connection trachea (7), the bottom fixed mounting of cylinder body (1) front surface has joint (5), the junction that connects (5) and connect trachea (7) is provided with consolidates coupling assembling (8), the right side middle part of air compressor machine (6) front surface is provided with accomodates subassembly (10).

2. A hydraulic breaking hammer for underwater operations according to claim 1, characterized in that: the reinforcing connecting assembly (8) comprises a hardening head (81), the hardening head (81) is fixedly arranged on one side surface of the connecting air pipe (7) close to the joint (5), an internal thread reinforcing sleeve (84) is arranged on the hardening head (81) in a threaded mode, a thread groove (82) is formed in the outer side surface of the hardening head (81) and the outer side surface of the joint (5), and a limit protruding block (83) is fixedly arranged on the outer side of the front surface of the hardening head (81).

3. A hydraulic breaking hammer for underwater operations according to claim 2, characterized in that: the outer side of the rear surface of the hardening head (81) is fixedly provided with a first sealing ring (85), the middle part of the rear surface of the hardening head (81) is fixedly provided with an external thread annular block (86), and the outer side of the rear surface of the external thread annular block (86) is fixedly provided with a second sealing ring (87).

4. A hydraulic breaking hammer for underwater operations according to claim 1, characterized in that: threaded holes (88) are formed in the middle of the front surface of the joint (5), and the joint (5) and the hardening head (81) are fixed through mutual matching and threaded connection of the threaded holes (88) and the external thread annular blocks (86).

5. A hydraulic breaking hammer for underwater operations according to claim 1, characterized in that: the middle part of the inner wall of the joint (5) is fixedly provided with an annular convex block (89), the front surface of the annular convex block (89) is fixedly provided with a third sealing ring (90), and the outer side of the front surface of the joint (5) is fixedly provided with a fourth sealing ring (91).

6. A hydraulic breaking hammer for underwater operations according to claim 1, characterized in that: the storage assembly (10) comprises a first circular plate (101), a winding shaft (102) is fixedly arranged in the middle of the front surface of the first circular plate (101), a second circular plate (103) is fixedly arranged on the front surface of the winding shaft (102), a threaded connection hole (104) is formed in the top of the front surface of the second circular plate (103), and a pressing screw (105) is installed in the inner wall of the threaded connection hole (104) in a threaded mode.