CN113413945B - Wear compensation mechanism for jaw crusher - Google Patents
Wear compensation mechanism for jaw crusher Download PDFInfo
- Publication number
- CN113413945B CN113413945B CN202110647116.4A CN202110647116A CN113413945B CN 113413945 B CN113413945 B CN 113413945B CN 202110647116 A CN202110647116 A CN 202110647116A CN 113413945 B CN113413945 B CN 113413945B
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- toothed plate
- tooth
- jaw
- piston
- fixed
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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
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
-
- 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
- B02C1/02—Jaw crushers or pulverisers
- B02C1/10—Shape or construction of jaws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a wear compensation mechanism for a jaw crusher, which comprises a rack, a fixed jaw toothed plate and a movable jaw toothed plate arranged opposite to the fixed jaw toothed plate, wherein the fixed jaw toothed plate comprises an upper fixed toothed plate fixed on the rack and a lower adjustable toothed plate positioned below the upper fixed toothed plate, the lower adjustable toothed plate comprises a tooth block retainer and a plurality of tooth blocks fixed on the rack, guide grooves with the same number as the tooth blocks are formed in the tooth block retainer, the tooth blocks are connected in the guide grooves in a sliding manner, and one end of each tooth block protrudes out of the surface of the tooth block retainer towards one side of the movable jaw toothed plate; the rack is provided with a pushing device for driving the tooth block to move; a positioning mechanism is arranged between the tooth block retainer and the tooth block; the tooth blocks are made of manganese steel. The invention can compensate the worn part of the lower end of the fixed jaw toothed plate, effectively solves the problem that the broken teeth at the lower end part of the traditional fixed jaw toothed plate cannot be used continuously after being worn seriously, and effectively prolongs the service life of the fixed jaw toothed plate.
Description
Technical Field
The invention relates to the technical field of jaw crushers, in particular to a wear compensation mechanism for a jaw crusher.
Background
The jaw crusher is widely applied to the fields of mine smelting, building materials, chemical industry and the like. Current jaw breaker includes the frame, decide the jaw pinion rack, with deciding the jaw pinion rack and setting up moving the jaw pinion rack relatively, decide the jaw pinion rack and fix the fixed setting in the frame, decide the jaw pinion rack and move and be the overall arrangement of "V" shape between the jaw pinion rack, decide the jaw pinion rack and move and form broken chamber between the jaw pinion rack, decide the jaw pinion rack and move and form narrower discharge gate between the lower extreme of jaw pinion rack, decide the pinion rack and move and all be provided with banding broken tooth on the pinion rack, it makes it and decide to form relative motion between the jaw pinion rack through the drive of breaker driver and produces crushing power to move the jaw pinion rack. Jaw breaker is when in actual use, it is broken to the building stones mainly to rely on decides jaw pinion rack and moves jaw pinion rack lower extreme portion, consequently decide jaw pinion rack lower extreme portion broken tooth wearing and tearing in the use most seriously, in case the broken tooth of deciding jaw pinion rack lower extreme portion is worn and torn to certain degree, decide jaw pinion rack just can't play good crushing effect, consequently only can decide jaw pinion rack overall change, lead to traditional jaw breaker will change deciding jaw pinion rack after using a period, decide jaw pinion rack life lower.
Such as: chinese patent publication No. CN106179569A, entitled jaw crusher, comprising a frame, a fixed jaw plate, a movable jaw plate, an adjusting device for adjusting the bottom clearance of the movable jaw plate and a driving mechanism for driving the movable jaw plate to reciprocate periodically, wherein the fixed jaw plate and the adjusting device are arranged on the frame, the bottom of the movable jaw plate is connected with the adjusting device, the top of the movable jaw plate is connected with the driving mechanism, a crushing cavity is formed between the movable jaw plate and the fixed jaw plate, wherein, be provided with a plurality of first cold water passageways on the fixed jaw lateral wall, be provided with a plurality of second cold water passageways on the movable jaw lateral wall, be close to fixed jaw side in the first cold water passageway and be provided with a plurality of first ribs, be close to movable jaw side in the second cold water passageway and be provided with a plurality of second ribs, all movably be connected with the welt on the face that movable jaw and fixed jaw are relative, all be provided with a plurality of pawl on the face that two welts are relative, the pawl crisscross distribution on two welts. The invention has the following disadvantages: when the jaw crusher is used, the lower end part of the fixed jaw plate is seriously abraded, and the fixed jaw plate is integrally replaced after being used for a period of time, so that the service life of the fixed jaw toothed plate is short.
Disclosure of Invention
The invention aims to solve the problems that when the existing jaw crusher is used, stone is crushed mainly by the lower end parts of a fixed jaw toothed plate and a movable jaw toothed plate, so that the crushing teeth at the lower end part of the fixed jaw toothed plate are worn most seriously in the using process, once the crushing teeth at the lower end part of the fixed jaw toothed plate are worn to a certain degree, the fixed jaw toothed plate cannot have a good crushing effect, and only the fixed jaw toothed plate can be integrally replaced, so that the fixed jaw toothed plate needs to be replaced after the traditional jaw crusher is used for a period of time, and the service life of the fixed jaw toothed plate is short.
The purpose of the invention is realized by the following technical scheme: a wear compensation mechanism for a jaw crusher comprises a rack, a fixed jaw toothed plate and a movable jaw toothed plate arranged opposite to the fixed jaw toothed plate, wherein the fixed jaw toothed plate comprises an upper fixed toothed plate fixed on the rack and a lower adjustable toothed plate positioned below the upper fixed toothed plate, the lower adjustable toothed plate comprises a tooth block retainer and a plurality of tooth blocks fixed on the rack, guide grooves with the same number as the tooth blocks are formed in the tooth block retainer, the tooth blocks are connected in the guide grooves in a sliding manner, and one ends of the tooth blocks protrude out of the surface of the tooth block retainer towards one side of the movable jaw toothed plate; the rack is provided with a pushing device for driving the tooth block to move; a positioning mechanism is arranged between the tooth block retainer and the tooth block; the tooth blocks are made of manganese steel.
In the invention, the jaw-fixing toothed plate is composed of an upper fixed toothed plate and a lower adjustable toothed plate. Go up the fixed tooth plate and be traditional pinion rack structure, go up the fixed tooth plate and pass through fixing bolt to be fixed in the frame, be provided with banding broken tooth on the fixed tooth plate. To deciding jaw pinion rack lower extreme portion serious characteristics of wearing and tearing in the use, lower adjustable pinion rack comprises tooth piece holder, tooth piece and thrust unit three major parts, tooth piece protrusion forms banding broken tooth in the part on tooth piece holder surface, after this broken tooth takes place to wear and tear in the use, accessible thrust unit promotes the tooth piece and moves a section distance forward, thereby compensate wearing and tearing, the problem of the unable continuation of use of the broken tooth of traditional deciding jaw pinion rack lower extreme portion after wearing and tearing seriously has effectively been solved through this kind of mode, the life of deciding jaw pinion rack has effectively been improved, greatly reduced decides jaw pinion rack's change frequency, the replacement cost has also been practiced thrift. The tooth blocks are made of manganese steel, so that the hardness is high and the wear resistance is good.
Preferably, the pushing device is a hydraulic cylinder.
Preferably, the pushing device is an electric cylinder.
Preferably, the positioning mechanism comprises a first one-way ratchet arranged on one side of the tooth block, an installation groove corresponding to the first one-way ratchet is formed in the inner wall of the guide groove, a positioning block is arranged in the installation groove, a second one-way ratchet matched with the first one-way ratchet is arranged on the positioning block, and a compression spring is arranged between the positioning block and the groove wall of the installation groove; one end of the compression spring is abutted against one side, away from the first one-way ratchet, of the positioning block, and the other end of the compression spring is abutted against the groove wall of the mounting groove. Thereby promote the compensation of broken tooth wearing and tearing on the fixed jaw pinion rack through thrust unit and promote the tooth piece and go forward. Under the action of the first one-way ratchet and the second one-way ratchet, the tooth block can only move towards the direction extending out of the tooth block retainer and cannot move towards the opposite direction. When the tooth block moves to a required position, the second one-way ratchet on the positioning block is meshed with the first one-way ratchet on the tooth block, so that the tooth block is positioned. The pressing spring applies a certain pressing force to the positioning block, and the tooth block is locked and fixed under the action of the positioning block.
Preferably, a buffering piston cavity is arranged on one side wall of the mounting groove, a first end plate is arranged at one end of the buffering piston cavity, a first piston is arranged in the buffering piston cavity, and a first oil cavity is formed between the first piston and the other end of the buffering piston cavity; a buffer spring is arranged in the first oil cavity, and two ends of the buffer spring are respectively abutted against the first piston and the inner wall of the buffer piston cavity; the first piston is connected with a telescopic rod, a first guide hole is formed in the first end plate, the telescopic rod penetrates through the first guide hole, and the front end of the telescopic rod is abutted against the side face of the positioning block; a locking piston cavity is formed in the other wall of the mounting groove, a second end plate is arranged at one end of the locking piston cavity, a second piston is arranged in the locking piston cavity, a second oil cavity is formed between the second piston and the other end of the locking piston cavity, and a return spring is arranged between the second piston and the second end plate; a second piston is connected with a push rod, a second guide hole is formed in the second end plate, the push rod penetrates through the second guide hole, and the front end of the push rod is aligned to one side, far away from the first one-way ratchet, of the positioning block; the first oil cavity is connected with the second oil cavity through an oil guide pipe; the first oil chamber and the second oil chamber are filled with liquid medium. The front end of the telescopic rod is abutted against the side surface of the positioning block; when the movable jaw toothed plate is used for crushing stone, the tooth block can be impacted by the stone, after the tooth block is impacted by the stone, the tooth block and the positioning block move for a certain distance in the direction away from the movable jaw toothed plate, the positioning block can push the telescopic rod and the first piston to move towards the bottom of the buffer piston cavity, and the tooth block can be buffered under the action of the buffer spring; meanwhile, along with the movement of the first piston, the volume of the first oil cavity is reduced, the liquid medium in the first oil cavity enters the second oil cavity through the oil guide pipe, the second piston is pushed to move, the ejector rod is driven to extend outwards, the ejector rod is enabled to tightly push the positioning block, the positioning block is enabled to firmly lock the tooth block, and the positioning block can firmly lock the tooth block to prevent the tooth block from slipping in the process of crushing stone materials by the device; when this device was out of work, the tooth piece can not receive the impact of building stones, and the telescopic link descends the locating piece and pushes back initial position in buffer spring's effect, and the ejector pin also retracts under reset spring's effect, and the top tension of location to the locating piece disappears, and only compression spring applys the packing force to the locating piece this moment to make the pinion rack can remove the regulation.
Preferably, the liquid medium is hydraulic oil.
Preferably, the first end plate is provided with a first through hole, and the second end plate is provided with a second through hole.
The invention has the beneficial effects that: according to the invention, the lower adjustable toothed plate consists of three major parts, namely the toothed block retainer, the toothed block and the pushing device, the part of the toothed block protruding out of the surface of the toothed block retainer forms strip-shaped crushing teeth, and when the crushing teeth are worn in the using process, the pushing device can push the toothed block to move forwards for a certain distance, so that the wear is compensated.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along a-a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 2.
In the figure: 1. frame, 2, move jaw pinion rack, 3, go up fixed tooth board, 4, tooth piece, 5, thrust unit, 6, tooth piece holder, 7, locating piece, 8, fixing bolt, 9, mounting groove, 10, compression spring, 11, first end plate, 12, first piston, 13, first oil pocket, 14, telescopic link, 15, buffer spring, 16, second end plate, 17, second piston, 18, second oil pocket, 19, ejector pin, 20, reset spring, 21, lead oil pipe.
Detailed Description
The invention is further described by the following detailed description in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 3, a wear compensation mechanism for a jaw crusher comprises a frame 1, a fixed jaw toothed plate and a movable jaw toothed plate 2 arranged opposite to the fixed jaw toothed plate, wherein the fixed jaw toothed plate and the movable jaw toothed plate 2 are arranged in a V shape. Decide the jaw pinion rack and with move and form broken chamber between the jaw pinion rack, decide the lower extreme of jaw pinion rack and with move and form the discharge gate between the lower extreme of jaw pinion rack. The jaw-fixing toothed plate comprises an upper fixed toothed plate 3 fixed on the rack 1 and a lower adjustable toothed plate positioned below the upper fixed toothed plate 3. The upper fixed toothed plate 3 is of a traditional toothed plate structure, and strip-shaped crushing teeth are arranged on the upper fixed toothed plate. The upper fixed toothed plate 3 is fixedly arranged on the frame 1 through a fixing bolt 8. The lower adjustable toothed plate comprises a toothed block retainer 6 and a plurality of toothed blocks 4 which are fixed on the rack 1, and the toothed blocks 4 are made of manganese steel. The tooth block retainer 6 is provided with guide grooves with the same number as the tooth blocks 4, and the tooth blocks 4 are connected in the guide grooves in a sliding manner. The tooth blocks 4 are parallel to each other. One end of the tooth block 4 protrudes out of the surface of the tooth block retainer 6 facing to one side of the movable jaw toothed plate 2. The part of the tooth block 4 protruding out of the surface of the tooth block retainer 6 forms a strip-shaped crushing tooth for crushing stone materials. The frame 1 is provided with a pushing device 5 for driving the tooth block 4 to move. The number of pushing devices 5 is the same as the number of tooth blocks 4. The pushing devices 5 are arranged in one-to-one correspondence with the tooth blocks 4. In this embodiment, the pushing device 5 is a hydraulic cylinder. The cylinder body part of the hydraulic cylinder is fixed on the frame 1, and the front end of the piston rod of the hydraulic cylinder is connected with the tooth block 4. The toothed block 4 is driven by a pushing device 5 to move. A positioning mechanism is arranged between the tooth block retainer 6 and the tooth block 4.
The positioning mechanism comprises a first one-way ratchet arranged on one side of the tooth block 4, an installation groove 9 corresponding to the first one-way ratchet is arranged on the inner wall of the guide groove, and a positioning block 7 is arranged in the installation groove 9. The cross section of the mounting groove 9 is rectangular. The positioning block 7 is of a cuboid structure. The width of the mounting groove 9 is larger than that of the positioning block 7. The positioning block 7 has a certain lateral movement space in the mounting groove 9. The positioning block 7 is provided with a second one-way ratchet matched with the first one-way ratchet. A compression spring 10 is arranged between the positioning block 7 and the groove wall of the mounting groove 9. One end of the compression spring 10 is abutted against one side, far away from the first one-way ratchet, of the positioning block, and the other end of the compression spring 10 is abutted against the groove wall of the mounting groove 9. Under the action of the first one-way ratchet and the second one-way ratchet, the tooth block can only move towards the direction extending out of the tooth block retainer and cannot move towards the opposite direction. When the tooth block moves to a required position, the second one-way ratchet on the positioning block is meshed with the first one-way ratchet on the tooth block, so that the tooth block is positioned. The pressing spring applies a certain pressing force to the positioning block, so that the tooth block is locked and fixed under the action of the positioning block.
A buffering piston cavity is arranged on one side wall of the mounting groove 9, a first end plate 11 is arranged at one end of the buffering piston cavity, a first piston 12 is arranged in the buffering piston cavity, and a first oil cavity 13 is formed between the first piston 12 and the other end of the buffering piston cavity. A buffer spring 15 is arranged in the first oil chamber 13, and two ends of the buffer spring 15 respectively abut against the inner walls of the first piston 12 and the buffer piston chamber. The first piston 12 is connected with a telescopic rod 14, the first end plate 11 is provided with a first guide hole, the telescopic rod 14 penetrates through the first guide hole, and the front end of the telescopic rod 14 abuts against the side face of the positioning block 14. The first end plate 11 is provided with a first through hole. The first through hole is used for balancing the balance between the cavity between the first piston and the first end plate and the external atmosphere. And a locking piston cavity is arranged on the other groove wall of the mounting groove 9, a second end plate 16 is arranged at one end of the locking piston cavity, a second piston 17 is arranged in the locking piston cavity, and a second oil cavity 18 is formed between the second piston 17 and the other end of the locking piston cavity. A push rod 19 is connected to the second piston 17, a second guide hole is formed in the second end plate 16, the push rod 19 penetrates through the second guide hole, and the front end of the push rod 19 is aligned to one side, far away from the first one-way ratchet, of the positioning block 7. A return spring 20 is provided between the second piston 17 and the second end plate 16. The second end plate 16 is provided with a second through hole. The second through hole is used for balancing the balance between the cavity between the second piston and the second end plate and the external atmosphere. The first oil chamber 13 and the second oil chamber 18 are connected by an oil conduit 21. The first oil chamber 13 and the second oil chamber 18 contain a liquid medium therein. The liquid medium is hydraulic oil. When the movable jaw toothed plate is used for crushing stone, the tooth block can be impacted by the stone, after the tooth block is impacted by the stone, the tooth block and the positioning block move for a certain distance in the direction away from the movable jaw toothed plate, the positioning block can push the telescopic rod and the first piston to move towards the bottom of the buffer piston cavity, and the tooth block can be buffered under the action of the buffer spring; meanwhile, along with the movement of the first piston, the volume of the first oil cavity is reduced, the liquid medium in the first oil cavity enters the second oil cavity through the oil guide pipe, the second piston is pushed to move, and the ejector rod is driven to extend outwards, so that the ejector rod tightly pushes the positioning block, the positioning block can firmly lock the tooth block, and the positioning block can firmly lock the tooth block to prevent the tooth block from slipping in the process of crushing stone materials; when this device was out of work, the tooth piece can not receive the impact of building stones, and the telescopic link descends the locating piece and pushes back initial position in buffer spring's effect, and the ejector pin also retracts under reset spring's effect, and the top tension of location to the locating piece disappears, and only compression spring applys the packing force to the locating piece this moment to make the pinion rack can remove the regulation.
According to the invention, aiming at the characteristic that the lower end part of the fixed jaw toothed plate is seriously worn in the using process, the lower adjustable toothed plate consists of three parts, namely a toothed block retainer, a toothed block and a pushing device, wherein the part of the toothed block protruding out of the surface of the toothed block retainer forms strip-shaped broken teeth, and when the broken teeth are worn in the using process, the pushing device can push the toothed block to move forwards for a certain distance, so that the wear is compensated.
Example 2:
example 2 differs from example 1 in that: in embodiment 2, the pushing device 5 is an electric cylinder, and the rest of the structure is the same as that of embodiment 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a wear compensation mechanism for jaw breaker, includes frame, decides jaw toothed plate and the relative jaw toothed plate that moves who sets up with deciding jaw toothed plate, its characterized in that: the fixed jaw toothed plate comprises an upper fixed toothed plate fixed on the rack and a lower adjustable toothed plate positioned below the upper fixed toothed plate, the lower adjustable toothed plate comprises a tooth block retainer and a plurality of tooth blocks fixed on the rack, guide grooves with the same number as the tooth blocks are formed in the tooth block retainer, the tooth blocks are connected in the guide grooves in a sliding manner, and one ends of the tooth blocks protrude out of the surface of the tooth block retainer towards one side of the movable jaw toothed plate; the rack is provided with a pushing device for driving the gear block to move; a positioning mechanism is arranged between the tooth block retainer and the tooth block; the tooth block is made of manganese steel, the positioning mechanism comprises a first one-way ratchet arranged on one side of the tooth block, an installation groove corresponding to the first one-way ratchet is formed in the inner wall of the guide groove, a positioning block is arranged in the installation groove, a second one-way ratchet matched with the first one-way ratchet is arranged on the positioning block, and a compression spring is arranged between the positioning block and the groove wall of the installation groove; one end of the compression spring abuts against one side, far away from the first one-way ratchet, of the positioning block, the other end of the compression spring abuts against the wall of the mounting groove, a buffering piston cavity is arranged on one side wall of the mounting groove, a first end plate is arranged at one end of the buffering piston cavity, a first piston is arranged in the buffering piston cavity, and a first oil cavity is formed between the first piston and the other end of the buffering piston cavity; a buffer spring is arranged in the first oil cavity, and two ends of the buffer spring are respectively abutted against the first piston and the inner wall of the buffer piston cavity; the first piston is connected with a telescopic rod, a first guide hole is formed in the first end plate, the telescopic rod penetrates through the first guide hole, and the front end of the telescopic rod is abutted against the side face of the positioning block; a locking piston cavity is formed in the other wall of the mounting groove, a second end plate is arranged at one end of the locking piston cavity, a second piston is arranged in the locking piston cavity, a second oil cavity is formed between the second piston and the other end of the locking piston cavity, and a return spring is arranged between the second piston and the second end plate; a second piston is connected with a push rod, a second guide hole is formed in the second end plate, the push rod penetrates through the second guide hole, and the front end of the push rod is aligned to one side, far away from the first one-way ratchet, of the positioning block; the first oil cavity is connected with the second oil cavity through an oil guide pipe; the first oil chamber and the second oil chamber are filled with liquid medium.
2. A wear compensation mechanism for a jaw crusher as claimed in claim 1, wherein the urging means is a hydraulic cylinder.
3. A wear compensation mechanism for a jaw crusher as claimed in claim 1, wherein the urging means is an electric cylinder.
4. A wear compensation mechanism for a jaw crusher as claimed in claim 1, wherein the liquid medium is hydraulic oil.
5. A wear compensation mechanism for a jaw crusher as claimed in claim 1, 2, 3 or 4, wherein the first end plate is provided with a first through hole and the second end plate is provided with a second through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110647116.4A CN113413945B (en) | 2021-06-10 | 2021-06-10 | Wear compensation mechanism for jaw crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110647116.4A CN113413945B (en) | 2021-06-10 | 2021-06-10 | Wear compensation mechanism for jaw crusher |
Publications (2)
| Publication Number | Publication Date |
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| CN113413945A CN113413945A (en) | 2021-09-21 |
| CN113413945B true CN113413945B (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110647116.4A Active CN113413945B (en) | 2021-06-10 | 2021-06-10 | Wear compensation mechanism for jaw crusher |
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| Country | Link |
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| CN (1) | CN113413945B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780729B (en) * | 2023-02-01 | 2023-04-28 | 浙江双金机械集团股份有限公司 | Sand and stone crushing production line process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB261211A (en) * | 1926-01-01 | 1926-11-18 | Eric Owen Stubbings | Improvements relating to crushing machines |
| CN205042521U (en) * | 2015-08-17 | 2016-02-24 | 宜昌楚丰矿业有限公司 | Novel jaw crusher |
| CN107511200A (en) * | 2016-06-15 | 2017-12-26 | 张荣斌 | A kind of jaw crusher |
| CN206810357U (en) * | 2017-03-13 | 2017-12-29 | 东莞市一恒药业有限公司 | A jaw crusher |
| CN209005816U (en) * | 2018-09-30 | 2019-06-21 | 山东黑山路桥机械科技有限公司 | Locking type jaw crusher |
| CN110833877A (en) * | 2018-08-19 | 2020-02-25 | 义乌市金牛环保科技有限公司 | Crusher with single-jaw double-shaft mechanism |
| CN111729714A (en) * | 2020-07-06 | 2020-10-02 | 上海应用技术大学 | A straight-curve hybrid jaw crusher |
| CN211887026U (en) * | 2019-11-26 | 2020-11-10 | 河南龙佰智能装备制造有限公司 | Jaw crusher |
-
2021
- 2021-06-10 CN CN202110647116.4A patent/CN113413945B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB261211A (en) * | 1926-01-01 | 1926-11-18 | Eric Owen Stubbings | Improvements relating to crushing machines |
| CN205042521U (en) * | 2015-08-17 | 2016-02-24 | 宜昌楚丰矿业有限公司 | Novel jaw crusher |
| CN107511200A (en) * | 2016-06-15 | 2017-12-26 | 张荣斌 | A kind of jaw crusher |
| CN206810357U (en) * | 2017-03-13 | 2017-12-29 | 东莞市一恒药业有限公司 | A jaw crusher |
| CN110833877A (en) * | 2018-08-19 | 2020-02-25 | 义乌市金牛环保科技有限公司 | Crusher with single-jaw double-shaft mechanism |
| CN209005816U (en) * | 2018-09-30 | 2019-06-21 | 山东黑山路桥机械科技有限公司 | Locking type jaw crusher |
| CN211887026U (en) * | 2019-11-26 | 2020-11-10 | 河南龙佰智能装备制造有限公司 | Jaw crusher |
| CN111729714A (en) * | 2020-07-06 | 2020-10-02 | 上海应用技术大学 | A straight-curve hybrid jaw crusher |
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|---|---|
| CN113413945A (en) | 2021-09-21 |
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Denomination of invention: A Wear Compensation Mechanism for Jaw Crushers Effective date of registration: 20230406 Granted publication date: 20220906 Pledgee: China Construction Bank Corporation Wuyi Sub-branch Pledgor: Zhejiang Wujing Machine Manufacture Co.,Ltd. Registration number: Y2023980037403 |