CN112317019A - Hammer crusher and using method thereof - Google Patents
Hammer crusher and using method thereof Download PDFInfo
- Publication number
- CN112317019A CN112317019A CN202011310699.3A CN202011310699A CN112317019A CN 112317019 A CN112317019 A CN 112317019A CN 202011310699 A CN202011310699 A CN 202011310699A CN 112317019 A CN112317019 A CN 112317019A
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- mounting groove
- groove
- piston rod
- cylinder body
- commutator
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- 238000000034 method Methods 0.000 title claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims description 22
- 238000004146 energy storage Methods 0.000 claims description 12
- 239000010720 hydraulic oil Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims description 8
- 239000011435 rock Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 3
- 238000005422 blasting Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 239000002360 explosive Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- B02C1/005—Crushing or disintegrating by reciprocating members hydraulically or pneumatically operated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a hammer crusher and a using method thereof in the technical field of ore crushing, and the hammer crusher comprises the following steps: a cylinder body; the commutator is arranged in the inner cavity of the cylinder body; the piston rod is arranged in the inner cavity of the cylinder body and is arranged on the right side of the reverser; the drill rod is arranged in the inner cavity of the cylinder body and is arranged at the lower end of the piston rod, the bottom of the drill rod penetrates through the bottom of the cylinder body, and the cylinder body comprises: a cylinder body; the nitrogen chamber is arranged at the top of the inner side of the cylinder body; the piston rod mounting groove is formed in the inner side of the cylinder body, and the piston rod mounting groove is formed in the lower end of the nitrogen chamber.
Description
Technical Field
The invention relates to the technical field of ore crushing, in particular to a hammer crusher and a using method thereof.
Background
At present, the mechanization degree of a mine is relatively low, and the mine is mainly drilled and dropped by a hand-held drill, and large blocks are blasted by manual or secondary drilling. There are big more problems after the actual ore breakage, and the reason has three: firstly, the lithology of an ore body is changed, and the parameters of drilling and charging are still designed, so that the blasting and crushing are insufficient, and the large blocks are increased; secondly, in the actual drilling and ore breaking process, part of workers have the trouble-saving psychology of pictures, and often the number of blast holes is insufficient, so that the blasting and crushing degree of ores is insufficient, more large blocks exist, and the field standardized management difficulty is increased; and thirdly, part of large ores enter a chute and a loading system without being crushed, so that the stability and the production efficiency of a production system are seriously influenced.
After ore breaking operation, when large stopes are large, the large stopes are blasted mainly by manual or secondary hole-blasting, the manual crushing efficiency is low, the secondary hole-blasting needs a large amount of explosives and detonators, and hidden dangers exist in the explosive transportation, storage, error blasting, blasting impact force, generated toxic and harmful gases and the like.
Disclosure of Invention
The invention aims to provide a hammer crusher and a using method thereof, and aims to solve the problems that after ore falling operation is carried out, when a stope is large in blocks, the large blocks are blasted mainly by manual or secondary hole-blasting, the manual crushing efficiency is low, the secondary hole-blasting needs a large amount of explosives and detonators, and the transportation, storage, error blasting, blasting impact force of blasting, generated toxic and harmful gas and the like of the explosives have hidden troubles.
In order to achieve the purpose, the invention provides the following technical scheme: a hammer crusher comprising:
a cylinder body;
the commutator is arranged in the inner cavity of the cylinder body;
the piston rod is arranged in the inner cavity of the cylinder body and is arranged on the right side of the reverser;
the drill rod is arranged in the inner cavity of the cylinder body and is arranged at the lower end of the piston rod, and the bottom of the drill rod penetrates through the bottom of the cylinder body.
Preferably, the cylinder block includes:
a cylinder body;
the nitrogen chamber is arranged at the top of the inner side of the cylinder body;
the piston rod mounting groove is formed in the inner side of the cylinder body and is formed in the lower end of the nitrogen chamber, and the inner cavity of the piston rod mounting groove is communicated with the inner cavity of the nitrogen chamber;
the drill rod mounting groove is formed in the inner side of the cylinder body and is formed in the lower end of the piston rod mounting groove, and the inner cavity of the drill rod mounting groove is communicated with the inner cavity of the piston rod mounting groove;
the two positioning beads are embedded at the bottoms of the left side and the right side of the inner cavity of the drill rod mounting groove in a left-right mode;
the piston rod mounting groove is formed in the cylinder body, the piston rod mounting groove is formed in the piston rod mounting groove, and the piston rod mounting groove is formed in the piston rod mounting groove;
the liquid inlet is formed in the top of the left side wall of the cylinder body and communicated with the inner cavities of the commutator mounting groove and the piston rod mounting groove;
the liquid outlet is formed in the top of the left side wall of the cylinder body and is arranged at the lower end of the liquid inlet, and the liquid outlet is communicated with inner cavities of the commutator mounting groove and the piston rod mounting groove;
the energy storage groove is formed in the inner side of the cylinder body, the energy storage groove is communicated with the liquid inlet and the inner cavity of the piston rod mounting groove, and an energy accumulator is mounted in the inner cavity of the energy storage groove.
Preferably, the commutator comprises:
a commutator body;
the first through groove is formed in the middle end of the left side face of the commutator body, and obliquely penetrates through the top of the right side face of the commutator body;
the second through groove is formed in the middle end of the left side face of the commutator body, penetrates through the bottom of the right side face of the commutator body in an inclined mode, and is located at the lower end of the first through groove.
Preferably, the nitrogen chamber with first seal groove has been seted up between the piston rod mounting groove, it has first oil blanket to inlay in the first seal groove, the piston rod mounting groove with the second seal groove has been seted up between the drill rod mounting groove, it has the second oil blanket to inlay in the second seal groove.
Preferably, the drill rod includes:
a shank body;
the impact block is arranged at the top of the drill rod body;
the conical head is arranged at the bottom of the drill rod body;
the two positioning grooves are arranged on the left side and the right side of the top of the outer wall of the drill rod body.
A method for using a hammer crusher comprises the following steps:
s1: the site condition of a mine stope is inspected, the site roof and surrounding rocks are required to be stable, the horizontal thickness of an ore body is more than 10m, the trend of the ore body is more than 30m, and site conditions are created for implementing mechanized operation;
s2: introducing an excavator or a scraper, unloading the bucket and installing a breaking hammer;
s3: after the hammer crusher enters a field and is subjected to ore breaking operation, the drill rod is pressed against a large ore, the piston is driven to move downwards by the compression kinetic energy of hydraulic oil and nitrogen, the drill rod is knocked by the bottom of the piston rod, the rock is crushed by the drill rod, and the crushing work is finished
Compared with the prior art, the invention has the beneficial effects that: the invention reduces the potential safety hazard, improves the field operation condition, has obvious mechanical crushing effect, improves the stope operation efficiency, improves the mine mechanization level, removes a bucket on an excavator or a scraper, installs a cylinder body on a mechanical arm of the excavator or the scraper, pushes a drill rod on a large ore after ore falling operation, drives a piston rod to move downwards through the driving of hydraulic oil and nitrogen compression kinetic energy, knocks the drill rod through the bottom of the piston rod, and crushes the rock through the drill rod, so that the crushed rock has uniform lumpiness and better crushing effect than blasting crushing effect, and can effectively reduce the splashing of broken stones and the generation of toxic and harmful gas, reduce the potential safety hazard, improve the field operation condition, improve the stope operation efficiency and improve the mine mechanization level.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cylinder structure of the present invention;
FIG. 3 is a schematic view of the commutator of the present invention;
FIG. 4 is a schematic view of the construction of a drill rod according to the present invention;
FIG. 5 is a flow chart of a method of use of the present invention.
In the figure: 100 cylinder bodies, 110 cylinder body bodies, 120 nitrogen chamber, 130 piston rod mounting groove, 140 drill rod mounting groove, 150 positioning ball, 160 commutator mounting groove, 170 liquid inlet, 180 liquid outlet, 190 energy storage groove, 200 commutator, 210 commutator body, 220 first through groove, 230 second through groove, 300 piston rod, 400 drill rod, 410 drill rod body, 420 impact block, 430 cone head and 440 positioning groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a hammer crusher, which reduces potential safety hazards, improves field operation conditions, has obvious mechanical crushing effect, improves stope operation efficiency and improves the mechanization level of mines, and please refer to fig. 1, which comprises the following steps: a cylinder block 100, a commutator 200, a piston rod 300 and a drill rod 400;
referring to fig. 1-2, a cylinder 100 includes:
a cylinder body 110;
the nitrogen chamber 120 is arranged at the top of the inner side of the cylinder body 110, and the inner cavity of the nitrogen chamber 120 is filled with nitrogen;
the piston rod mounting groove 130 is formed in the inner side of the cylinder body 110, the piston rod mounting groove 130 is formed in the lower end of the nitrogen chamber 120, an inner cavity of the piston rod mounting groove 130 is communicated with an inner cavity of the nitrogen chamber 120, a first sealing groove is formed between the nitrogen chamber 120 and the piston rod mounting groove 130, and a first oil seal is embedded in the first sealing groove;
the drill rod mounting groove 140 is formed in the inner side of the cylinder body 110, the drill rod mounting groove 140 is formed in the lower end of the piston rod mounting groove 130, the inner cavity of the drill rod mounting groove 140 is communicated with the inner cavity of the piston rod mounting groove 130, a second sealing groove is formed between the piston rod mounting groove 130 and the drill rod mounting groove 140, and a second oil seal is embedded in the second sealing groove;
the two positioning beads 150 are embedded at the bottoms of the left side and the right side of the inner cavity of the drill rod mounting groove 140 from left to right;
the commutator installation groove 160 is arranged at the inner side of the cylinder body 110, the commutator installation groove 160 is arranged at the nitrogen chamber 120 and the piston rod installation groove 130, and the inner cavity of the commutator installation groove 160 is communicated with the inner cavity of the piston rod installation groove 130;
the liquid inlet 170 is arranged at the top of the left side wall of the cylinder body 110, the liquid inlet 170 is communicated with the inner cavities of the commutator mounting groove 160 and the piston rod mounting groove 130, and hydraulic oil enters the inner cavity of the cylinder body 110 through the liquid inlet 170;
the liquid outlet 180 is arranged at the top of the left side wall of the cylinder body 110, the liquid outlet 180 is arranged at the lower end of the liquid inlet 170, the liquid outlet 180 is communicated with the inner cavities of the commutator mounting groove 160 and the piston rod mounting groove 130, and hydraulic oil is discharged through the liquid outlet 180;
the energy storage groove 190 is arranged at the inner side of the cylinder body 110, the energy storage groove 190 is communicated with the liquid inlet 170 and the inner cavity of the piston rod mounting groove 130, and an energy accumulator is arranged in the inner cavity of the energy storage groove 190;
referring to fig. 1 to 3, the commutator 200 is installed in the inner cavity of the cylinder block 100, and the commutator 200 includes:
the commutator body 210 is embedded in the inner cavity of the commutator mounting groove 160;
the first through groove 220 is formed in the middle end of the left side surface of the commutator body 210, and the first through groove 220 obliquely penetrates through the top of the right side surface of the commutator body 210;
the second through groove 230 is formed in the middle end of the left side surface of the commutator body 210, the second through groove 230 obliquely penetrates through the bottom of the right side surface of the commutator body 210, and the second through groove 230 is formed in the lower end of the first through groove 220;
referring to fig. 1-2 again, the piston rod 300 is embedded in the inner cavity of the piston rod mounting groove 130, the top of the piston rod 300 is inserted into the inner cavity of the nitrogen chamber 120, the bottom of the piston rod 300 is inserted into the inner cavity of the drill rod mounting groove 140, the first oil seal is sleeved on the top of the outer wall of the piston rod 300, the second oil seal is sleeved on the bottom of the outer wall of the piston rod 300, and the piston rod 300 moves downward under the driving of hydraulic oil and nitrogen compression kinetic energy;
referring to fig. 1, 2 and 4, a drill rod 400 is installed in an inner cavity of the cylinder block 100, the drill rod 400 is provided at a lower end of the piston rod 300, a bottom of the drill rod 400 penetrates a bottom of the cylinder block 100, and the drill rod 400 includes:
the drill rod body 410 is embedded in the inner cavity of the drill rod mounting groove 140;
the impact block 420 is arranged at the top of the drill rod body 410, the impact block 420 and the drill rod body 410 are integrally processed, and the impact block 420 is arranged in the inner cavity of the drill rod mounting groove 140;
the bit 430 is arranged at the bottom of the drill rod body 410, the bit 430 and the drill rod body 410 are integrally processed, and the bit 430 is arranged at the lower end of the cylinder body 110;
the two positioning grooves 440 are arranged on the left side and the right side of the top of the outer wall of the drill rod body 410, the positioning grooves 440 are connected to the outer sides of the positioning balls 150 in a clamping mode, the drill rod body 410 is fixed in the inner cavity of the drill rod mounting groove 140 through the matching of the positioning grooves 440 and the positioning balls 150, the drill rod 400 is knocked through the bottom of the piston rod 300, and the drill rod 400 is used for crushing stones to finish crushing work.
When the mining machine is used specifically, a bucket on the excavator or the scraper is detached, the cylinder body 100 is installed on a mechanical arm of the excavator or the scraper, after ore falling operation, the drill rod 400 is pushed against large ore, the piston rod 300 is driven to move downwards through hydraulic oil and nitrogen compression kinetic energy, the drill rod 400 is knocked through the bottom of the piston rod 300, stone is crushed through the drill rod 400, crushing work is completed, the rock lumpiness after crushing is even, the crushing effect is better than the blasting crushing effect, splashing of crushed stone and generation of toxic and harmful gas can be effectively reduced, potential safety hazards are reduced, field operation conditions are improved, the stope operation efficiency is improved, and the mechanical level of a mine is improved.
The invention also provides a using method of the hammer crusher,
the using method of the hammer crusher comprises the following steps:
s1: the site condition of a mine stope is inspected, the site roof and surrounding rocks are required to be stable, the horizontal thickness of an ore body is more than 10m, the trend of the ore body is more than 30m, and site conditions are created for implementing mechanized operation;
s2: introducing an excavator or a scraper, unloading the bucket and installing a breaking hammer;
s3: after the hammer crusher enters a field and is subjected to ore breaking operation, the drill rod is pressed against a large ore, the piston is driven to move downwards by the compression kinetic energy of hydraulic oil and nitrogen, the drill rod is knocked by the bottom of the piston rod, the rock is crushed by the drill rod, and the crushing work is finished
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A hammer crusher, characterized in that: the method comprises the following steps:
a cylinder block (100);
the commutator (200), the commutator (200) is installed in the inner cavity of the cylinder body (100);
the piston rod (300), the piston rod (300) is installed in the inner cavity of the cylinder body (100), and the piston rod (300) is arranged on the right side of the reverser (200);
the drill rod (400) is installed in the inner cavity of the cylinder body (100), the drill rod (400) is arranged at the lower end of the piston rod (300), and the bottom of the drill rod (400) penetrates through the bottom of the cylinder body (100).
2. A hammer crusher according to claim 1, characterized in that: the cylinder block (100) includes:
a cylinder body (110);
the nitrogen chamber (120) is arranged at the top of the inner side of the cylinder body (110);
the piston rod mounting groove (130) is formed in the inner side of the cylinder body (110), the piston rod mounting groove (130) is formed in the lower end of the nitrogen chamber (120), and the inner cavity of the piston rod mounting groove (130) is communicated with the inner cavity of the nitrogen chamber (120);
the drill rod mounting groove (140) is formed in the inner side of the cylinder body (110), the drill rod mounting groove (140) is formed in the lower end of the piston rod mounting groove (130), and the inner cavity of the drill rod mounting groove (140) is communicated with the inner cavity of the piston rod mounting groove (130);
the two positioning beads (150) are embedded at the bottoms of the left side and the right side of the inner cavity of the drill rod installation groove (140) one by one from left to right;
the cylinder body is provided with a cylinder body (110), the cylinder body is provided with a commutator mounting groove (160), the commutator mounting groove (160) is arranged on the inner side of the cylinder body (110), the commutator mounting groove (160) is arranged on the nitrogen chamber (120) and the piston rod mounting groove (130), and the inner cavity of the commutator mounting groove (160) is communicated with the inner cavity of the piston rod mounting groove (130);
the liquid inlet (170) is formed in the top of the left side wall of the cylinder body (110), and the liquid inlet (170) is communicated with the inner cavities of the commutator installation groove (160) and the piston rod installation groove (130);
the liquid outlet (180) is formed in the top of the left side wall of the cylinder body (110), the liquid outlet (180) is formed in the lower end of the liquid inlet (170), and the liquid outlet (180) is communicated with the inner cavities of the commutator mounting groove (160) and the piston rod mounting groove (130);
energy storage groove (190), energy storage groove (190) are seted up the inboard of cylinder body (110), energy storage groove (190) with inlet (170) with the inner chamber of piston rod mounting groove (130) link up mutually, the energy storage ware is installed to the inner chamber of energy storage groove (190).
3. A hammer crusher according to claim 1, characterized in that: the commutator (200) comprises:
a commutator body (210);
the first through groove (220) is formed in the middle end of the left side face of the commutator body (210), and the first through groove (220) penetrates through the top of the right side face of the commutator body (210) in an inclined mode;
the second through groove (230) is formed in the middle end of the left side face of the commutator body (210), the second through groove (230) penetrates through the bottom of the right side face of the commutator body (210) in an inclined mode, and the second through groove (230) is formed in the lower end of the first through groove (220).
4. A hammer crusher according to claim 2, wherein: nitrogen chamber (120) with first seal groove has been seted up between piston rod mounting groove (130), it has first oil blanket to inlay in the first seal groove, piston rod mounting groove (130) with the second seal groove has been seted up between drill rod mounting groove (140), it has the second oil blanket to inlay in the second seal groove.
5. A hammer crusher according to claim 1, characterized in that: the drill rod (400) comprises:
a shank body (410);
an impact block (420), the impact block (420) being disposed on top of the shank body (410);
a bit (430), the bit (430) disposed at a bottom of the shank body (410);
two positioning grooves (440), wherein the two positioning grooves (440) are arranged on the left side and the right side of the top of the outer wall of the drill rod body (410).
6. A method of using a hammer mill according to claim 1, wherein: the using method of the hammer crusher comprises the following steps:
s1: the site condition of a mine stope is inspected, the site roof and surrounding rocks are required to be stable, the horizontal thickness of an ore body is more than 10m, the trend of the ore body is more than 30m, and site conditions are created for implementing mechanized operation;
s2: introducing an excavator or a scraper, unloading the bucket and installing a breaking hammer;
s3: the hammer crusher enters the field, after ore falling operation, the drill rod is pressed against large ores, the piston is driven to move downwards by the compression kinetic energy of hydraulic oil and nitrogen, the drill rod is knocked by the bottom of the piston rod, and stones are crushed by the drill rod to complete crushing work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011310699.3A CN112317019A (en) | 2020-11-20 | 2020-11-20 | Hammer crusher and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011310699.3A CN112317019A (en) | 2020-11-20 | 2020-11-20 | Hammer crusher and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112317019A true CN112317019A (en) | 2021-02-05 |
Family
ID=74321030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011310699.3A Pending CN112317019A (en) | 2020-11-20 | 2020-11-20 | Hammer crusher and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112317019A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146751A (en) * | 2021-11-23 | 2022-03-08 | 江雯 | Cracking equipment of small ore for mining |
| CN114602582A (en) * | 2022-03-28 | 2022-06-10 | 柳工常州机械有限公司 | Electric breaking hammer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02131881A (en) * | 1988-11-09 | 1990-05-21 | Nippon Pneumatic Mfg Co Ltd | Automatic control unit for percussion force and percussion times |
| CN2792723Y (en) * | 2005-04-15 | 2006-07-05 | 马六成 | Hydraulic hammer |
| CN201695429U (en) * | 2010-04-19 | 2011-01-05 | 合肥滨海工程机械有限公司 | Novel hydraulic-nitrogen joint action breaking hammer |
| CN201874570U (en) * | 2010-12-06 | 2011-06-22 | 上海工程技术大学 | Hydraulic breaking hammer |
| CN203846551U (en) * | 2014-04-15 | 2014-09-24 | 台州创兴环保科技有限公司 | Hydraulic breaking hammer |
| CN106149786A (en) * | 2015-03-19 | 2016-11-23 | 南通欧特建材设备有限公司 | A kind of Novel hydraulic crushing hammer |
| CN208363167U (en) * | 2018-05-03 | 2019-01-11 | 艾思博科技有限公司 | A kind of hydraulic breaking hammer assembly |
| CN210134471U (en) * | 2019-06-03 | 2020-03-10 | 徐向前 | Hydraulic stone crushing equipment for road and bridge engineering |
| CN213761941U (en) * | 2020-11-20 | 2021-07-23 | 中矿金业股份有限公司 | Hammer crusher |
-
2020
- 2020-11-20 CN CN202011310699.3A patent/CN112317019A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02131881A (en) * | 1988-11-09 | 1990-05-21 | Nippon Pneumatic Mfg Co Ltd | Automatic control unit for percussion force and percussion times |
| CN2792723Y (en) * | 2005-04-15 | 2006-07-05 | 马六成 | Hydraulic hammer |
| CN201695429U (en) * | 2010-04-19 | 2011-01-05 | 合肥滨海工程机械有限公司 | Novel hydraulic-nitrogen joint action breaking hammer |
| CN201874570U (en) * | 2010-12-06 | 2011-06-22 | 上海工程技术大学 | Hydraulic breaking hammer |
| CN203846551U (en) * | 2014-04-15 | 2014-09-24 | 台州创兴环保科技有限公司 | Hydraulic breaking hammer |
| CN106149786A (en) * | 2015-03-19 | 2016-11-23 | 南通欧特建材设备有限公司 | A kind of Novel hydraulic crushing hammer |
| CN208363167U (en) * | 2018-05-03 | 2019-01-11 | 艾思博科技有限公司 | A kind of hydraulic breaking hammer assembly |
| CN210134471U (en) * | 2019-06-03 | 2020-03-10 | 徐向前 | Hydraulic stone crushing equipment for road and bridge engineering |
| CN213761941U (en) * | 2020-11-20 | 2021-07-23 | 中矿金业股份有限公司 | Hammer crusher |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146751A (en) * | 2021-11-23 | 2022-03-08 | 江雯 | Cracking equipment of small ore for mining |
| CN114602582A (en) * | 2022-03-28 | 2022-06-10 | 柳工常州机械有限公司 | Electric breaking hammer |
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