CN105921209B - Pull rope type gravity breaking hammer - Google Patents
Pull rope type gravity breaking hammer Download PDFInfo
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- CN105921209B CN105921209B CN201610314053.XA CN201610314053A CN105921209B CN 105921209 B CN105921209 B CN 105921209B CN 201610314053 A CN201610314053 A CN 201610314053A CN 105921209 B CN105921209 B CN 105921209B
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- drill rod
- steel wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
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Abstract
The invention belongs to the technical field of breaking hammers, and particularly relates to a pull rope type gravity breaking hammer which comprises a hydraulic motor, a second pulley, a first steel wire wheel, a clutch ring, a second steel wire wheel, an impact block, a drill rod, a first pulley, a gravity cavity and a gravity block, wherein the drill rod is arranged in a drill rod sleeve through the sliding fit of a drill rod guide block and a drill rod sleeve sliding hole, and a drill rod spring is arranged on the guide block to play a role in resetting the drill rod; the gravity cavity is internally provided with a gravity block, the gravity block is wound on a second steel wire wheel through a first steel wire and a first pulley, the steel wire wheel is driven by a hydraulic motor, and the motor is used for controlling the second steel wire wheel to rotate to wind the first steel wire and controlling the lifting and the putting down of the gravity block; the first steel wire wheel is separated from the motor rotating shaft, and the separation and reunion of the first steel wire wheel and the motor rotating shaft can be controlled by adjusting the separation and reunion ring; the gravity breaking hammer designed by the invention can control the impact strength under the action of the clutch ring, and has a higher practical effect.
Description
Technical Field
The invention belongs to the technical field of breaking hammers, and particularly relates to a pull rope type gravity breaking hammer.
Background
At present, the breaking hammer mainly adopts drill rod gravity drive, hydraulic drive, high-pressure gas drive, hybrid drive and other modes to drive the drill rod to reciprocate to break broken objects. The drill rod gravity drive is used as an important drive mode for special occasions, the drill rod which is often needed is heavy, and the drill rod is required to be lifted to a high height and then directly impacts an object, so that the crushing effect is achieved. The drill rod is lifted once and can be beaten and crushed once; when the impact force of the drill rod is required to be large, the drill rod is lifted a little higher, and if the impact force is required to be small, the drill rod is lifted a little lower. The drill rod is lifted once and impacted once, so that the effect of the breaking hammer driven in the driving mode is very low, and the development of the breaking hammer driven in the driving mode is influenced.
The invention designs a pull rope type gravity breaking hammer to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a pull rope type gravity breaking hammer which is realized by adopting the following technical scheme.
A pull rope type gravity breaking hammer is characterized in that: the drill rod comprises a hydraulic motor, a second pulley, a motor rotating shaft, a first steel wire wheel, a clutch ring, a second steel wire wheel, an impact block pull ring, a first steel wire, a second steel wire, an impact block guide groove, an impact block guide rail, an impact block spring fixing column, an impact block spring, a guide rail support, a drill rod sleeve, a first drill rod spring support, a drill rod spring, a second drill rod spring support, a drill rod guide block, a drill rod sleeve sliding hole, a spring pin, a first outer side plate, a first pulley, a gravity cavity, a second outer side plate, a side plate reinforcing rib, a steel wire fixing structure, a gravity block and a first pulley fixing plate, wherein the hydraulic motor is arranged on the upper side of the second outer side plate; the second steel wire wheel and the first steel wire wheel are sequentially arranged on the motor rotating shaft, the second steel wire wheel is close to the hydraulic motor, the second steel wire wheel is fixed with the motor rotating shaft, and the first steel wire wheel is arranged on the motor rotating shaft through a clutch ring; one end of the guide rail support is arranged on the first outer side plate, and the other end of the guide rail support is arranged on the second outer side plate; the top ends of the two impact block guide rails are fixed on the lower side of the guide rail support, and the side surfaces of the two impact blocks are respectively arranged on the first outer side plate and the second outer side plate; two sides of the impact block are symmetrically provided with two impact block guide grooves, the impact block is arranged between the two impact block guide rails, and the impact block guide grooves are matched with the impact block guide rails; the two impact block springs are arranged between the lower side of the guide rail support and the upper side of the impact block side by side through respective impact block spring fixing columns; the impact block pull ring is installed in the middle of the side face of the impact block, and the second pulley is installed between the first outer side plate and the second outer side plate through a rotating shaft.
The first outer side plate is fixed with the second outer side plate through a plurality of side plate reinforcing ribs; the gravity chamber is fixed between first lateral plate and the second lateral plate and is close to the edge, and the gravity piece is installed in the gravity chamber and the contact surface mutual friction of gravity piece surface and gravity intracavity surface slides, and steel wire fixed knot constructs the installation and is in gravity piece upside intermediate position, and first pulley is installed on one side inner wall of gravity chamber upper end through first pulley fixed plate.
The drill rod sleeve is arranged between the first outer side plate and the second outer side plate through two side plate reinforcing ribs and is positioned on the lower side of the impact block, a drill rod sleeve sliding hole is formed in the lower position in the drill rod sleeve and penetrates through the whole drill rod sleeve, two first drill rod spring supports are symmetrically arranged on the drill rod sleeve and are positioned on the upper side of the drill rod sleeve sliding hole, two drill rod guide blocks are symmetrically arranged in the middle of a drill rod, a second drill rod spring support is respectively arranged on the two drill rod guide blocks, the drill rod is arranged in the drill rod sleeve, and the drill rod guide blocks are matched with the drill rod sleeve sliding hole; one end of the drill rod spring is arranged on the first drill rod spring support through a spring pin, and the other end of the drill rod spring is arranged on the second drill rod spring support through a spring pin.
One end of the first steel wire is fixed on the steel wire fixing structure and is wound on the second steel wire wheel through the first pulley; one end of a second steel wire is fixed on the impact block pull ring and is wound on the first steel wire wheel through a second pulley.
As a further improvement of the technology, the steel wire fixing structure comprises support lugs and a steel wire fixing pin, wherein the steel wire fixing pin is arranged at the middle position of the upper side of the gravity block through the two support lugs on two sides, and one end of a first steel wire is fixed on the fixing pin.
As a further improvement of the present technique, the gravity chamber is secured between the first outer side plate and the second outer side plate by being laterally mounted on the side plate stiffener.
As a further improvement of the present technology, the first outer side plate and the second outer side plate are further provided with mounting holes.
As a further improvement of the present technology, the wire axis between the first pulley and the wire fixing structure needs to be ensured to be perpendicular to the upper side surface of the gravity block.
Compared with the traditional breaking hammer technology, the drill rod is arranged in the drill rod sleeve through the sliding fit of the drill rod guide block and the drill rod sleeve sliding hole, the drill rod spring is arranged on the guide block, and the drill rod plays a role in resetting the drill rod when the drill rod is in reciprocating beating operation; the gravity cavity is internally provided with a gravity block, the gravity block passes through a first steel wire and is wound on a second steel wire wheel through a first pulley along the way, the steel wire wheel is driven by a hydraulic motor, the hydraulic motor is used for winding and releasing the first steel wire by controlling the rotation of the second steel wire wheel, and the lifting and the putting down of the gravity block are controlled; the impact block can slide on the impact block guide rail, a certain position can be kept on the guide rail through an impact block spring, and the natural position of the impact block and the natural position of the drill rod have a certain impact distance; a second steel wire on the impact block is wound on the first steel wire wheel through a second pulley, the first steel wire wheel is separated from the motor rotating shaft, and the separation and reunion of the first steel wire wheel and the motor rotating shaft can be controlled through an adjusting separation and reunion ring; the specific embodiment of the crushing is as follows: when the hammer is not used, the gravity block is positioned at the bottom end in the gravity cavity, the impact block and the drill rod are in a natural state under the action of self gravity and the elasticity of the spring, when the hammer needs to work, firstly, oil is supplied to the hydraulic motor to rotate, the gravity block is lifted to the highest position of the gravity cavity through the second steel wire wheel, the first steel wire and the first pulley, then, the hydraulic motor cuts off the oil, the rotating shaft of the motor does not have the traction force of the hydraulic motor, the first steel wire drives the second steel wire wheel to rotate under the action of the gravity block, the rotating shaft of the motor is driven to rotate by the second steel wire wheel, and the clutch ring is in an open state at the moment, namely, the first steel wire wheel is disengaged from the; when the gravity block descends to a certain position and has a certain descending speed, the motor rotating shaft also has a certain rotating speed, the clutch ring is suddenly closed to enable the first steel wire wheel and the motor rotating shaft to be clamped, the motor rotating shaft with a certain speed can drive the first steel wire wheel to rotate to pull the second steel wire, the impact block is caused to suddenly and quickly descend along the guide rail under the action of the second steel wire to impact the drill rod, and the drill rod has the function of crushing objects due to the change of the sudden displacement of the drill rod; during impact, the drill rod limits the impact block to continuously descend, the gravity block is clamped through the conduction of the two steel wires, the kinetic energy of the gravity block is converted into impact energy, and the gravity block cannot continuously descend. After the impact block is impacted and the drill rod is broken, the clutch ring is opened, the first steel wire wheel is separated from the motor rotating shaft, the impact block rises and resets under the action of the impact block spring, the drill rod also resets under the action of the drill rod spring, and the gravity block continues to move downwards due to the opening of the clutch ring. Thus reciprocating the striking motion. The design can control the descending displacement of the gravity block after the last impact and before the impact by controlling the opening and closing time of the clutch ring, thereby controlling the impact force; when the impact force is required to be large, the gravity block descends from the highest position to the lowest position of the gravity cavity to obtain the highest kinetic energy, and the first steel wire wheel and the motor rotating shaft are controlled to be locked by the clutch ring, so that the highest kinetic energy is converted into the impact force; when the required impact force is small, the clutch ring can be acted for many times in the displacement of the gravity block from the highest position to the lowest position, and the impact is performed for many times discontinuously. The gravity breaking hammer designed by the invention can control the impact strength under the action of the clutch ring, and has a higher practical effect.
Drawings
FIG. 1 is a schematic view of a shank and shank sleeve installation.
FIG. 2 is a schematic view of a shank sleeve construction.
FIG. 3 is a schematic view of a drill rod configuration.
Fig. 4 is a schematic diagram of a gravity chamber configuration.
FIG. 5 is a schematic view of a gravity block and a wire fixing structure.
FIG. 6 is a schematic view of the strike block structure.
Fig. 7 is a schematic view of the overall structure of the breaking hammer.
Fig. 8 is a schematic view of the internal structure of the breaking hammer.
Fig. 9 is a side view of the breaking hammer.
Figure 10 is a schematic view of the manner in which the wire is wound and acted upon.
Fig. 11 is a schematic view of the structure of the first outer side plate or the second outer side plate.
FIG. 12 is a schematic view of the strike block installation.
Number designation in the figures: 1. hydraulic motor, 2, second pulley, 3, motor shaft, 4, first wire wheel, 5, clutch ring, 6, second wire wheel, 7, impact block, 8, impact block pull ring, 9, first wire, 10, second wire, 11, impact block guide slot, 12, impact block guide rail, 13, impact block spring fixing post, 14, impact block spring, 15, guide rail support, 21, drill rod, 22, drill rod sleeve, 23, first drill rod spring support, 24, drill rod spring, 25, second drill rod spring support, 26, drill rod guide block, 27, drill rod sleeve slide hole, 28, spring pin, 30, first outer side plate, 31, first pulley, 32, gravity cavity, 33, second outer side plate, 34, side plate reinforcing rib, 35, mounting hole, 36, wire fixing structure, 37, gravity block, 38, lug, 39, wire fixing pin, 40, first pulley fixing plate.
Detailed Description
As shown in fig. 7, 8 and 9, it comprises a hydraulic motor 1, a second pulley 2, a motor rotating shaft 3, a first steel wire wheel 4, a clutch ring 5, a second steel wire wheel 6, an impact block 7, an impact block pull ring 8, a first steel wire 9, a second steel wire 10, an impact block guide groove 11, an impact block guide rail 12, an impact block spring fixing column 13, an impact block spring 14, a guide rail support 15, a drill rod 21, a drill rod sleeve 22, a first drill rod spring support 23, a drill rod spring 24, a second drill rod spring support 25, a drill rod guide block 26, a drill rod sleeve slide hole 27, a spring pin 28, a first outer side plate 30, a first pulley 31, a gravity cavity 32, a second outer side plate 33, a side plate reinforcing rib 34, a steel wire fixing structure 36, a gravity block 37 and a first pulley fixing plate 40, wherein as shown in fig. 8, the hydraulic motor 1 is installed on the upper side of the second outer side plate 33; the second steel wire wheel 6 and the first steel wire wheel 4 are sequentially arranged on the motor rotating shaft 3, the second steel wire wheel 6 is close to the hydraulic motor 1, the second steel wire wheel 6 is fixed with the motor rotating shaft 3, and the first steel wire wheel 4 is arranged on the motor rotating shaft 3 through a clutch ring 5; the rail support 15 has one end mounted on the first outer panel 30 and the other end mounted on the second outer panel 33; as shown in fig. 12, the top ends of the two impact block guide rails 12 are fixed on the lower side of the guide rail support 15, and the side surfaces of the two impact blocks 7 are respectively installed on the first outer side plate 30 and the second outer side plate 33; as shown in fig. 6 and 8, two striking block guide grooves 11 are symmetrically formed on two sides of the striking block 7, the striking block 7 is installed between two striking block guide rails 12, and the striking block guide grooves 11 are matched with the striking block guide rails 12; two impact block springs 14 are arranged between the lower side of the guide rail support 15 and the upper side of the impact block 7 in parallel through respective impact block spring fixing columns 13; the impact block pull ring 8 is arranged at the side middle position of the impact block 7, and the second pulley 2 is arranged between the first outer side plate 30 and the second outer side plate 33 through a rotating shaft.
As shown in fig. 8, the first outer panel 30 is fixed to the second outer panel 33 by a plurality of side panel ribs 34; the gravity chamber 32 is fixed between the first outer side plate 30 and the second outer side plate 33 and close to the edge, as shown in fig. 4 and 5, the gravity block 37 is installed in the gravity chamber 32 and the contact surface of the outer surface of the gravity block 37 and the inner surface of the gravity chamber 32 slides in a mutual friction manner, the steel wire fixing structure 36 is installed at the middle position of the upper side of the gravity block 37, and the first pulley 31 is installed on the inner wall of the upper end side of the gravity chamber 32 through the first pulley fixing plate 40.
As shown in fig. 1 and 8, the drill rod sleeve 22 is mounted between the first outer side plate 30 and the second outer side plate 33 and below the impact block 7 through two side plate reinforcing ribs 34, as shown in fig. 2, a drill rod sleeve slide hole 27 is formed in the drill rod sleeve 22 at a lower position and penetrates through the entire drill rod sleeve 22, two first drill rod spring supports 23 are symmetrically mounted on the drill rod sleeve 22 and above the drill rod sleeve slide hole 27, as shown in fig. 3, two drill rod guide blocks 26 are symmetrically mounted in the middle of the drill rod 21, two second drill rod spring supports 25 are respectively mounted on the two drill rod guide blocks 26, the drill rod 21 is mounted inside the drill rod sleeve 22, and the drill rod guide blocks 26 are matched with the drill rod sleeve slide hole 27; the lever spring 24 is mounted at one end on the first lever spring support 23 by means of a spring pin 28 and at the other end on the second lever spring support 25 by means of a spring pin 28.
As shown in fig. 10, one end of the first wire 9 is fixed on the wire fixing structure 36 and wound on the second wire wheel 6 via the first pulley 31; one end of a second steel wire 10 is fixed on the striking block pull ring 8 and is wound on the first steel wire wheel 4 through a second pulley 2.
As shown in fig. 5, the wire fixing structure 36 includes a support lug 38 and a wire fixing pin 39, wherein the wire fixing pin 39 is mounted on the gravity block 37 at a middle position on the upper side by two support lugs 38 at both sides, and one end of the first wire 9 is fixed on the fixing pin.
As shown in fig. 8, the gravity chamber 32 is fixed between the first outer side plate 30 and the second outer side plate 33 by being laterally attached to the side plate reinforcing ribs 34.
As shown in fig. 11, the first outer side plate 30 and the second outer side plate 33 are further provided with mounting holes 35.
The wire axis between the first pulley 31 and the wire fixing structure 36 needs to be ensured to be perpendicular to the upper side surface of the gravity block 37.
In summary, in the invention, the drill rod 21 is arranged in the drill rod sleeve 22 through the sliding fit of the drill rod guide 26 and the drill rod sleeve sliding hole 27, the drill rod spring 24 is arranged on the guide, and the drill rod 21 plays a role in resetting the drill rod 21 when the drill rod 21 is in reciprocating beating operation; the gravity cavity 32 is internally provided with a gravity block 37, the gravity block 37 passes through the first steel wire 9 and is wound on the second steel wire wheel 6 through the first pulley 31 along the way, the steel wire wheel is driven by the hydraulic motor 1, the hydraulic motor 1 controls the second steel wire wheel 6 to rotate to wind and release the first steel wire 9, and the lifting and the lowering of the gravity block 37 are controlled; the impact block 7 can slide on the impact block guide rail 12 and can keep a certain position on the guide rail through an impact block spring 14, and the natural position of the impact block 7 has a certain impact distance with the natural position of the drill rod 21; a second steel wire 10 on the impact block 7 is wound on the first steel wire wheel 4 through the second pulley 2, the first steel wire wheel 4 is separated from the motor rotating shaft 3, and the separation and reunion of the first steel wire wheel 4 and the motor rotating shaft 3 can be controlled through the adjusting separation and reunion ring 5; the specific embodiment of the crushing is as follows: when the breaking hammer is not used, the gravity block 37 is located at the bottom end in the gravity cavity 32, the impact block 7 and the drill rod 21 are in a natural state under the action of self gravity and the elastic force of a spring, when the breaking hammer needs to work, firstly, the hydraulic motor 1 supplies oil to rotate, the gravity block 37 is lifted to the highest position of the gravity cavity 32 through the second steel wire wheel 6, the first steel wire 9 and the first pulley 31, then, the hydraulic motor 1 cuts off the oil, the motor rotating shaft 3 does not have the traction force of the hydraulic motor 1, under the action of the gravity block 37, the first steel wire 9 drives the second steel wire wheel 6 to rotate, the second steel wire wheel 6 drives the motor rotating shaft 3 to rotate, and the separating ring 5 is in an open state, namely, the first steel wire wheel 4 is separated from the motor rotating shaft 3, as shown in a in fig. 10; when the gravity block 37 descends to a certain position and has a certain descending speed, the motor rotating shaft 3 also has a certain rotating speed, at the moment, the clutch ring 5 is suddenly closed to enable the first steel wire wheel 4 and the motor rotating shaft 3 to be clamped, the motor rotating shaft 3 with a certain speed can drive the first steel wire wheel 4 to rotate, the second steel wire 10 is pulled, the impact block 7 is suddenly and quickly descended along the guide rail under the action of the second steel wire 10 to impact the drill rod 21, and the drill rod 21 has the function of crushing objects due to the change of the sudden displacement of the drill rod 21; during impact, the drill rod 21 limits the impact block 7 from further descending, the gravity block 37 is clamped through the conduction of two steel wires, the kinetic energy of the gravity block 37 is converted into impact energy, and the gravity block 37 cannot further descend, as shown in b in fig. 10. After the impact block 7 is impacted and the drill rod 21 is broken, the clutch ring 5 is opened, the first wire wheel 4 is separated from the motor rotating shaft 3, the impact block 7 is lifted and reset under the action of the impact block spring 14, the drill rod 21 is also reset under the action of the drill rod spring 24, and the gravity block 37 continues to move downwards due to the opening of the clutch ring 5. Thus reciprocating the striking motion. The design can control the descending displacement of the gravity block 37 after the last impact and before the impact by controlling the opening and closing time of the clutch ring 5, thereby controlling the impact force; when the impact force is required to be large, the gravity block 37 descends from the highest position to the lowest position of the gravity cavity 32 to obtain the highest kinetic energy, and the clutch ring 5 is controlled to clamp the first wire wheel 4 and the motor rotating shaft 3, so that the highest kinetic energy is converted into the impact force; when the required impact force is small, the clutch ring 5 can be acted for many times in the displacement of the gravity block 37 from the highest position to the lowest position, and impact is carried out for many times discontinuously. The gravity breaking hammer designed by the invention can control the impact strength through the action of the clutch ring 5, and has higher practical effect.
Claims (5)
1. A pull rope type gravity breaking hammer is characterized in that: the drill rod comprises a hydraulic motor, a second pulley, a motor rotating shaft, a first steel wire wheel, a clutch ring, a second steel wire wheel, an impact block pull ring, a first steel wire, a second steel wire, an impact block guide groove, an impact block guide rail, an impact block spring fixing column, an impact block spring, a guide rail support, a drill rod sleeve, a first drill rod spring support, a drill rod spring, a second drill rod spring support, a drill rod guide block, a drill rod sleeve sliding hole, a spring pin, a first outer side plate, a first pulley, a gravity cavity, a second outer side plate, a side plate reinforcing rib, a steel wire fixing structure, a gravity block and a first pulley fixing plate, wherein the hydraulic motor is arranged on the upper side of the second outer side plate; the second steel wire wheel and the first steel wire wheel are sequentially arranged on the motor rotating shaft, the second steel wire wheel is close to the hydraulic motor, the second steel wire wheel is fixed with the motor rotating shaft, and the first steel wire wheel is arranged on the motor rotating shaft through a clutch ring; one end of the guide rail support is arranged on the first outer side plate, and the other end of the guide rail support is arranged on the second outer side plate; the top ends of the two impact block guide rails are fixed on the lower side of the guide rail support, and the side surfaces of the two impact blocks are respectively arranged on the first outer side plate and the second outer side plate; two sides of the impact block are symmetrically provided with two impact block guide grooves, the impact block is arranged between the two impact block guide rails, and the impact block guide grooves are matched with the impact block guide rails; the two impact block springs are arranged between the lower side of the guide rail support and the upper side of the impact block side by side through respective impact block spring fixing columns; the second pulley is arranged between the first outer side plate and the second outer side plate through a rotating shaft;
the first outer side plate is fixed with the second outer side plate through a plurality of side plate reinforcing ribs; the gravity cavity is fixed between the first outer side plate and the second outer side plate and is close to the edge, the gravity block is installed in the gravity cavity, the outer surface of the gravity block and the contact surface of the inner surface of the gravity cavity rub and slide mutually, the steel wire fixing structure is installed in the middle of the upper side of the gravity block, and the first pulley is installed on the inner wall of one side of the upper end of the gravity cavity through the first pulley fixing plate;
the drill rod sleeve is arranged between the first outer side plate and the second outer side plate through two side plate reinforcing ribs and is positioned on the lower side of the impact block, a drill rod sleeve sliding hole is formed in the lower position in the drill rod sleeve and penetrates through the whole drill rod sleeve, two first drill rod spring supports are symmetrically arranged on the drill rod sleeve and are positioned on the upper side of the drill rod sleeve sliding hole, two drill rod guide blocks are symmetrically arranged in the middle of a drill rod, a second drill rod spring support is respectively arranged on the two drill rod guide blocks, the drill rod is arranged in the drill rod sleeve, and the drill rod guide blocks are matched with the drill rod sleeve sliding hole; one end of the drill rod spring is arranged on the first drill rod spring support through a spring pin, and the other end of the drill rod spring is arranged on the second drill rod spring support through a spring pin;
one end of the first steel wire is fixed on the steel wire fixing structure and is wound on the second steel wire wheel through the first pulley; one end of a second steel wire is fixed on the impact block pull ring and is wound on the first steel wire wheel through a second pulley.
2. A pull-cord gravity breaking hammer as claimed in claim 1, wherein: above-mentioned steel wire fixed knot constructs includes journal stirrup, steel wire fixed pin, and wherein the steel wire fixed pin is installed at gravity piece upside intermediate position through two journal stirrups of both sides, and first steel wire one end is fixed on the fixed pin.
3. A pull-cord gravity breaking hammer as claimed in claim 1, wherein: the gravity chamber is fixed between the first outer side plate and the second outer side plate by being laterally mounted on the side plate reinforcing ribs.
4. A pull-cord gravity breaking hammer as claimed in claim 1, wherein: the first outer side plate and the second outer side plate are also provided with mounting holes.
5. A pull-cord gravity breaking hammer as claimed in claim 1, wherein: the steel wire axis between the first pulley and the steel wire fixing structure needs to be ensured to be vertical to the upper side surface of the gravity block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314053.XA CN105921209B (en) | 2016-05-13 | 2016-05-13 | Pull rope type gravity breaking hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314053.XA CN105921209B (en) | 2016-05-13 | 2016-05-13 | Pull rope type gravity breaking hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105921209A CN105921209A (en) | 2016-09-07 |
| CN105921209B true CN105921209B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610314053.XA Active CN105921209B (en) | 2016-05-13 | 2016-05-13 | Pull rope type gravity breaking hammer |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8672052B2 (en) * | 2010-12-14 | 2014-03-18 | Caterpillar Inc. | Demolition hammer with reversible housing and interchangeable wear plate arrangement |
| CN104018540B (en) * | 2013-09-27 | 2016-03-16 | 上海工程技术大学 | A kind of gravity quartering hammer |
| CN104018541B (en) * | 2014-06-18 | 2016-07-06 | 上海工程技术大学 | A kind of gravity-type hydraulic quartering hammer |
| KR101562255B1 (en) * | 2015-04-15 | 2015-10-23 | 대모 엔지니어링 주식회사 | Bolt structure for rock hammer |
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| CN105921209A (en) | 2016-09-07 |
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Effective date of registration: 20210207 Address after: No.10, Lane 3, huamaying lane, Wuma street, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Lin Rufeng Address before: 325055 No. 15, Dai Gang Road, Haicheng street, Longwan District, Wenzhou, Zhejiang. Applicant before: Zhang Zhefu |
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Effective date of registration: 20211130 Address after: 264200 No. 369-11, Shuangdao Road, Weihai high district, Weihai City, Shandong Province Patentee after: Weihai Regional Innovation Center Co.,Ltd. Address before: No.10, Lane 3, huamaying lane, Wuma street, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: Lin Rufeng |
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