CN111359727B - Parameter visualization crusher opening adjusting device and crusher - Google Patents
Parameter visualization crusher opening adjusting device and crusher Download PDFInfo
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- CN111359727B CN111359727B CN202010182909.9A CN202010182909A CN111359727B CN 111359727 B CN111359727 B CN 111359727B CN 202010182909 A CN202010182909 A CN 202010182909A CN 111359727 B CN111359727 B CN 111359727B
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
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Abstract
The invention discloses a parameter visualization crusher opening adjusting device and a crusher, wherein the parameter visualization crusher opening adjusting device comprises an opening adjusting screw rod, a pointer, an adjusting cylinder assembly and a fixed seat; the lower end of the opening adjusting screw is used for being connected with a counterattack device of the crusher; the pointer is arranged on the opening adjusting screw rod; the adjusting cylinder assembly is sleeved at the upper end of the opening adjusting screw rod, a first locking nut at the lower end of the adjusting cylinder assembly is in threaded fit with the opening adjusting screw rod, and the adjusting cylinder assembly is provided with an observation port and an opening size dividing ruler; the fixing seat is arranged on a shell of the crusher and sleeved outside the opening adjusting screw rod and located between the first locking nut and the second locking nut. By using the visualized crusher opening adjusting device with the parameters, a user can control the opening size of the crusher through the opening size graduated scale quickly and accurately, and the operation difficulty is small.
Description
Technical Field
The invention relates to the technical field of crushers, in particular to a parameter visualization crusher opening adjusting device. Furthermore, the invention relates to a crusher comprising a crusher opening adjustment device with visualization of the above parameters.
Background
The crusher is equipment for crushing large-particle materials into small-particle materials, has more varieties and wide application range, and is applied to cone crushers, impact crushers, jaw crushers and the like for crushing ores, gravel aggregates and construction wastes.
When the crusher works, the impact device and the rotor device in the crushing cavity are matched to extrude materials, so that the crushing process is realized. The opening size of the crusher refers to the distance between the impact device and the rotor device, most of the existing crushers measure the opening size manually in the opening size adjusting process, then adjust the position of the impact device, then stretch into the crushing cavity through human limbs to measure the opening size, and adjust repeatedly until the opening size is adjusted to be proper. In order to adjust the opening size to a required value, a user usually needs to repeatedly adjust and measure, so that the adjustment method has low adjustment precision, high difficulty and low operation safety, and is difficult to realize accurate adjustment in a short time.
In summary, how to rapidly and accurately adjust the size of the opening of the crusher is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a parameter visualized crusher opening adjustment device, wherein when in use, a user can quickly and accurately control the opening size of a crusher through an opening size scale, so as to reduce the operation difficulty of users, improve the control precision of the crusher, shorten the maintenance and adjustment time, and improve the operation safety of the users. It is a further object of the present invention to provide a crusher comprising a parameter-visualizing crusher opening adjustment device as described above.
In order to achieve the above purpose, the invention provides the following technical scheme:
a parameter visualization crusher opening adjustment apparatus comprising:
the lower end of the opening adjusting screw is used for being connected with a counterattack device of the crusher, and a pointer is arranged on the opening adjusting screw;
the adjusting cylinder assembly is sleeved at the upper end of the opening adjusting screw rod, a first locking nut in threaded fit with the opening adjusting screw rod is arranged at the lower end of the adjusting cylinder assembly, and the adjusting cylinder assembly is provided with an observation port for observing the position of the pointer and an opening size dividing ruler for indicating the opening size of the crusher;
the second locking nut is sleeved on the periphery of the opening adjusting screw rod;
the fixing seat is used for being fixed on a shell of the crusher, the fixing seat is sleeved outside the opening adjusting screw rod, and the fixing seat is located between the first locking nut and the second locking nut.
Optionally, the adjusting cylinder assembly comprises an adjusting outer cylinder, an adjusting inner cylinder sleeved on the periphery of the opening adjusting screw and sleeved inside the adjusting outer cylinder, and a position adjusting assembly for adjusting the axial relative position of the adjusting outer cylinder and the adjusting inner cylinder; the first locking nut is arranged at the lower end of the adjusting inner cylinder; the adjusting inner cylinder is provided with a wear reference line, and the adjusting outer cylinder is provided with a wear graduated scale for indicating the wear amount of a wear-resistant part of the crusher; the observation port comprises an inner barrel observation port arranged in the adjusting inner barrel and an outer barrel observation port arranged in the adjusting outer barrel.
Optionally, the position adjusting assembly includes a mounting hole penetrating through the side wall of the adjusting inner cylinder, a waist-shaped adjusting hole penetrating through the side wall of the adjusting outer cylinder and extending along the axial direction, a locking bolt simultaneously penetrating through the mounting hole and the waist-shaped adjusting hole, and a third locking nut in threaded connection with the locking bolt and abutting against the outer side wall of the adjusting outer cylinder.
Optionally, the inner side wall of the adjusting inner cylinder is fixedly sleeved with a transparent cylinder body for dust prevention and water prevention.
Optionally, the urceolus viewing aperture is followed adjust urceolus axial extension's bar structure, the wearing and tearing scale with the opening size scale distributes the both sides of urceolus viewing aperture.
Optionally, the pointer is fixed to the top of the opening adjusting screw through a pointer mounting screw.
The utility model provides a crusher, includes the casing and locates the counterattack device in the broken chamber, still includes the visual breaker opening adjusting device of above-mentioned arbitrary parameter, the visual breaker opening adjusting device's of parameter fixing in on the casing, the visual breaker opening adjusting device's of parameter opening adjusting device's lower extreme with the counterattack device is connected.
Through above-mentioned scheme, the visual breaker opening adjusting device of parameter that this application provided's beneficial effect lies in:
the parameter visualization crusher opening adjusting device comprises an opening adjusting screw, an adjusting cylinder assembly and a fixed seat; wherein, the lower end of the opening adjusting screw is connected with a counterattack device of the crusher, and the upper part is provided with a pointer; the adjusting cylinder assembly is sleeved at the upper end of the opening adjusting screw rod and is provided with an observation port and an opening size dividing ruler; the fixing seat is fixed on a shell of the crusher, the fixing seat is sleeved outside the opening adjusting screw rod, and the opening adjusting screw rod is locked through the first locking nut and the second locking nut at the lower end of the adjusting cylinder component.
In the working process, the opening adjusting screw rod can be controlled to axially move by screwing the first locking nut and the second locking nut, so that the impact device of the crusher is driven to move, and the size of the opening of the crusher is adjusted; meanwhile, when the adjusting screw rod moves axially, the pointer moves along with the adjusting screw rod; and the adjusting cylinder assembly and the fixed seat are kept fixed, so that a user can directly read the current opening size value of the crusher through the position of the pointer on the opening size graduated scale without repeatedly carrying out adjustment and measurement operations. Also consequently, the visual breaker opening adjusting device of parameter that this application provided has characteristics quick, accurate, that the parameter is visual, safe operability is high at the in-process of adjustment breaker opening size.
Furthermore, it should be understood that the crusher provided by the present application comprises the above-mentioned parameter visualization crusher opening adjustment device, and therefore, the crusher provided by the present application also has the above-mentioned advantageous effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a parameter visualization crusher opening adjustment device provided in an embodiment of the present application;
FIG. 2 is a front view of the inner adjustment barrel of FIG. 1;
FIG. 3 is a side view of the adjustment inner barrel of FIG. 1;
FIG. 4 is a front view of the adjustment barrel of FIG. 1;
FIG. 5 is a side view of the adjustment barrel of FIG. 1;
fig. 6 is an enlarged schematic view of the cooperation of the pointer, the wear reference line, the wear scale and the opening size scale.
The reference numerals in figures 1 to 6 are:
the device comprises an opening adjusting screw 1, a fixed seat 2, an adjusting inner cylinder 3, an adjusting outer cylinder 4, a pointer 5, a pointer mounting screw 6, a locking bolt 7, a third locking nut 8, a first locking nut 9, a mounting hole 10, a wear reference line 11, a transparent cylinder 12, a waist-shaped adjusting hole 13, a wear scale 14, an opening size scale 15, a cover plate 16, a second locking nut 17, an inner cylinder observation opening 18 and an outer cylinder observation opening 19.
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.
Referring to fig. 1, the opening adjusting device of the parameter visualization crusher provided by the present application includes a fixing base 2, an opening adjusting screw 1, a pointer 5, and an adjusting cylinder assembly.
The fixed seat 2 is fixed on a frame of the crusher through bolts or other mechanical structures to provide supporting force for the opening adjusting screw rod 1. The middle part of the fixed seat 2 is provided with a screw through hole.
The opening adjusting screw rod 1 is used for controlling the movement of the impact device of the crusher, the lower end of the opening adjusting screw rod is connected with the impact device, and the connection mode can be hinged; the opening adjusting screw 1 penetrates through a screw through hole of the fixed seat 2 and is locked with the fixed seat 2 through a first locking nut 9 and a second locking nut 17. The opening adjusting screw 1 drives the impact device to move when moving along the axis of the opening adjusting screw, so that the distance between the impact device and the rotor device is adjusted, namely the opening size of the crusher is adjusted.
The pointer 5 is fixed on the opening adjusting screw rod 1, the pointer 5 can adopt a sheet-shaped or needle-shaped or other shapes, and the pointer 5 moves synchronously with the opening adjusting screw rod 1. The fixing mode of the pointer 5 and the opening adjusting screw rod 1 has various options, for example, the pointer 5 is fixed on the top of the opening adjusting screw rod 1 through a pointer mounting screw 6; or the pointer 5 is fixed to the side wall of the opening adjustment screw 1 by bonding or other means. Alternatively, in order to facilitate reading of the opening size scale 15, a conspicuous mark color may be sprayed on the tip portion of the pointer 5.
The upper end of adjusting the section of thick bamboo subassembly is located to the adjusting cylinder subassembly cover, and the lower extreme of adjusting the section of thick bamboo subassembly is equipped with the first lock nut 9 with opening adjusting screw 1 screw-thread fit, adjusts the section of thick bamboo subassembly and is equipped with viewing aperture and opening size scale 15. Wherein the viewing port is used to view the position of the pointer 5 and the opening size scale 15 is used to indicate the opening size of the crusher.
It should be noted that, in actual use, one position of the impact device is hinged on the opening adjusting screw 1, and the other position of the impact device is usually hinged on the side wall of the crusher, and the axial moving distance of the opening adjusting screw 1 is not completely equal to the change value of the opening size of the crusher, but the axial moving distance of the opening adjusting screw 1 has a function relation with the change value of the opening size. Therefore, in order to facilitate the user to directly read the actual opening size of the crusher through the opening size scale 15, the scale value of the opening scale in the present application is a numerical value calculated according to the functional relationship between the opening size change value and the adjusting screw length change value, and does not refer to the axial movement distance of the opening adjusting screw 1.
In one embodiment, the adjusting cylinder assembly comprises an adjusting outer cylinder 4, an adjusting inner cylinder 3 and a position adjusting assembly.
The adjusting inner cylinder 3 is sleeved on the periphery of the opening adjusting screw rod 1, and the adjusting inner cylinder 3 is provided with a wear reference line 11 and an inner cylinder observation port 18. In addition, the first lock nut 9 is specifically arranged at the lower end of the adjusting inner cylinder 3, i.e. the adjusting inner cylinder 3 is fastened on the opening adjusting screw 1 by the first lock nut 9. Optionally, for water and dust prevention, the transparent cylinder 12 may be fixedly sleeved on the inner side wall of the adjusting inner cylinder 3, and the transparent cylinder 12 may be made of a plastic material.
The adjusting outer cylinder 4 is sleeved on the periphery of the adjusting inner cylinder 3, a cover plate 16 can be arranged at the top of the adjusting outer cylinder 4, an outer cylinder observation port 19 and a wear graduated scale 14 are arranged on the side wall of the adjusting outer cylinder 4, and the wear graduated scale 14 is matched with the wear reference line 11 for use, so that the wear amount of a wear-resistant part of the crusher is indicated; the wear parts of the crusher here comprise among others the hammer plate of the rotor device and the impact plate and jaw plate of the impact device. In addition, an opening size scale 15 is provided specifically on the adjustment outer cylinder 4. In actual design, the inner cylinder viewing port 18 overlaps the outer cylinder viewing port 19, and the outer cylinder viewing port 19 is slightly wider than the inner cylinder viewing port 18, so that a user can clearly see the value of the opening size scale 15 indicated by the pointer 5 and the value of the wear scale 14 indicated by the wear reference line 11 through the viewing ports. In order to facilitate the reading of the scale by an operator, the outer cylinder viewing port 19 can be set to be a strip-shaped structure extending along the axial direction of the adjusting outer cylinder 4, the abrasion scale 14 and the opening size scale 15 are distributed on two sides of the outer cylinder viewing port 19, and the abrasion scale 14 and the opening size scale 15 are uniformly distributed on the adjusting outer cylinder 4 in 180 degrees.
The position adjusting component is used for adjusting the axial relative position of the adjusting outer cylinder 4 and the adjusting inner cylinder 3. The structure of the position adjusting component has various options, for example, the adjusting inner cylinder 3 is provided with a mounting hole 10 penetrating through the side wall thereof, the adjusting outer cylinder 4 is provided with a waist-shaped adjusting hole 13 penetrating through the side wall thereof, the waist-shaped adjusting hole 13 extends along the axial direction of the adjusting outer cylinder 4, correspondingly, the position adjusting component comprises a locking bolt 7 and a third locking nut 8 at the moment, the locking bolt 7 simultaneously penetrates through the mounting hole 10 and the waist-shaped adjusting hole 13, one end of the locking bolt 7 is provided with the third locking nut 8 abutting against the outer side wall of the adjusting outer cylinder 4, and the other end of the locking bolt is provided with a bulge or a nut abutting against the outer side wall of the adjusting outer cylinder 4. When the adjusting device is used, the third locking nut 8 can be a butterfly nut, and the adjusting outer cylinder 4 can axially move on the adjusting inner cylinder 3 by loosening the third locking nut 8.
As can be seen from the above embodiment, the parameter visualization crusher opening adjusting device provided by the application has the beneficial effects that:
a user adjusts the first locking nut 9 and the second locking nut 17, so that the opening adjusting screw rod 1 can be controlled to move, the impact device is driven to move, and the opening size of the crusher is adjusted; meanwhile, the pointer 5 moves synchronously with the opening adjusting screw rod 1, a user can read the scale value of the opening size graduated scale 15 through the pointer 5, and the opening size graduated scale 15 is obtained by calculation according to the axial movement distance of the opening adjusting screw rod 1 when the opening size of the crusher changes, so that the user can quickly and accurately adjust the opening size of the crusher to a target value through the opening size scale value.
Furthermore, considering that the crusher may have a wear problem of the wear-resistant part during the working process, in some embodiments, the parameter visualization crusher opening adjustment device may further display the wear amount of the wear-resistant part, recalibrate the precision of the opening size scale 15, and ensure the accuracy of the opening size adjustment.
The wear of the wear part is indicated and the opening size scale 15 is recalibrated as follows:
considering the influence of assembly errors, calibration of a graduated scale is carried out before the crusher is used, the opening size of the crusher is adjusted to 0, the adjusting outer cylinder 4 and the adjusting inner cylinder 3 are kept fixed, the opening size graduated scale 15 and the abrasion graduated scale 14 are pasted on the surface of the adjusting outer cylinder 4, the 0 scale of the opening size graduated scale 15 is aligned with the pointer 5, and the 0 scale of the abrasion graduated scale 14 is aligned with the abrasion reference line 11. After the user uses a period of time, carry out the calibration of scale again, adjust breaker opening size to 0 once more, if wearing and tearing appear in the wearing parts of breaker, 0 scale and the pointer 5 dislocation of opening size scale 15, need adjust the position relation of adjusting outer tube 4 and adjusting inner tube 3 through the position control subassembly adjustment this moment for 0 scale and the pointer 5 of opening size scale 15 align once more, after the adjustment finishes, the scale that aligns with wearing and tearing benchmark 11 on the wearing and tearing scale 14 represents the wearing and tearing volume of wearing and tearing part.
In conclusion, the visualized crusher opening adjusting device provided by the application is provided with the wear scale 14, the opening size scale 15 and the wear reference line 11, so that the visualization, parameterization and accurate control of the opening size are ensured, and the recording and correction of the wear condition of the wear-resistant part are ensured. The opening size value of the crusher can be directly read through the calculated opening size graduated scale 15; the abrasion value of the abrasion-resistant part can be directly read through the abrasion graduated scale 14, the abrasion graduated scale 14 can calibrate the opening size value, and the reference position of the opening size graduated scale 15 can be accurately adjusted again; assembly errors are avoided by the wear reference line 11, increasing the adjustment accuracy.
In addition, when in actual use, a connecting support can be arranged on the same impact device, and the opening adjusting devices of the parameter visualization crusher are arranged on the left side and the right side of the coaxial or associated connecting support, so that the left side and the right side of the same connecting support are ensured to have the same parameters, the stress of the connecting support is balanced, and the damage of equipment caused by uneven stress is avoided.
Besides the parameter visual crusher opening adjusting device, the invention also provides a crusher, which comprises a shell, a counterattack device arranged in the crushing cavity and any one of the parameter visual crusher opening adjusting devices, wherein a fixed seat 2 of the parameter visual crusher opening adjusting device is fixed on the shell, and the lower end of an opening adjusting screw 1 of the parameter visual crusher opening adjusting device is connected with the counterattack device. The crusher has the same beneficial effects due to the use of the visualized crusher opening adjusting device with the parameters. The structure of other parts of the crusher is referred to the prior art, and is not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The parameter visualization crusher opening adjusting device and the crusher provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. A parameter visualization crusher opening adjustment device, comprising:
the lower end of the opening adjusting screw rod (1) is used for being connected with a counterattack device of the crusher, and a pointer (5) is arranged on the opening adjusting screw rod (1);
the adjusting cylinder assembly is sleeved at the upper end of the opening adjusting screw rod (1), a first locking nut (9) in threaded fit with the opening adjusting screw rod (1) is arranged at the lower end of the adjusting cylinder assembly, and the adjusting cylinder assembly is provided with an observation port for observing the position of the pointer (5) and an opening size scale (15) for indicating the opening size of the crusher;
the second locking nut (17) is sleeved on the periphery of the opening adjusting screw rod (1);
the fixing seat (2) is used for being fixed on a shell of the crusher, the fixing seat (2) is sleeved outside the opening adjusting screw rod (1), and the fixing seat (2) is located between the first locking nut (9) and the second locking nut (17);
the adjusting cylinder assembly comprises an adjusting outer cylinder (4), an adjusting inner cylinder (3) sleeved on the periphery of the opening adjusting screw rod (1) and sleeved inside the adjusting outer cylinder (4), and a position adjusting assembly used for adjusting the axial relative position of the adjusting outer cylinder (4) and the adjusting inner cylinder (3); the first locking nut (9) is arranged at the lower end of the adjusting inner cylinder (3); the adjusting inner cylinder (3) is provided with a wear reference line (11), and the adjusting outer cylinder (4) is provided with a wear graduated scale (14) for indicating the wear amount of a wear-resistant part of the crusher; the observation port comprises an inner cylinder observation port (18) arranged on the adjusting inner cylinder (3) and an outer cylinder observation port (19) arranged on the adjusting outer cylinder (4).
2. The parameter visualization crusher opening adjustment device according to claim 1, characterized in that the position adjustment assembly comprises a mounting hole (10) through the side wall of the adjustment inner cylinder (3), a kidney-shaped adjustment hole (13) through the side wall of the adjustment outer cylinder (4) and extending in the axial direction, a locking bolt (7) passing through both the mounting hole (10) and the kidney-shaped adjustment hole (13), and a third locking nut (8) in threaded connection with the locking bolt (7) and adapted to abut against the outer side wall of the adjustment outer cylinder (4).
3. The parameter visualization crusher opening adjusting device according to claim 2, characterized in that a transparent barrel (12) for dust and water prevention is fixed on the inner side wall of the adjusting inner barrel (3) in a sleeved manner.
4. The parameter visualization crusher opening adjustment device according to claim 3, characterized in that the outer cylinder viewing opening (19) is in the form of a bar-shaped structure extending axially along the adjustment outer cylinder (4), the wear scale (14) and the opening size scale (15) being distributed on both sides of the outer cylinder viewing opening (19).
5. Parameter visualization crusher opening adjustment device according to claim 4, characterized in that the pointer (5) is fixed to the top of the opening adjustment screw (1) by a pointer mounting screw (6).
6. A crusher comprising a casing and a reaction device arranged in a crushing cavity, characterized by further comprising the parameter visual crusher opening adjusting device of any one of claims 1 to 5, wherein a fixed seat (2) of the parameter visual crusher opening adjusting device is fixed on the casing, and the lower end of an opening adjusting screw (1) of the parameter visual crusher opening adjusting device is connected with the reaction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010182909.9A CN111359727B (en) | 2020-03-16 | 2020-03-16 | Parameter visualization crusher opening adjusting device and crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010182909.9A CN111359727B (en) | 2020-03-16 | 2020-03-16 | Parameter visualization crusher opening adjusting device and crusher |
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| Publication Number | Publication Date |
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| CN111359727A CN111359727A (en) | 2020-07-03 |
| CN111359727B true CN111359727B (en) | 2021-10-01 |
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| CN202010182909.9A Active CN111359727B (en) | 2020-03-16 | 2020-03-16 | Parameter visualization crusher opening adjusting device and crusher |
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| US7584917B2 (en) * | 2007-03-29 | 2009-09-08 | Alstom Technology Ltd | Seal for coiled spring assembly |
| CN101327459B (en) * | 2008-07-24 | 2012-05-30 | 东平开元机械制造有限公司 | Hammer rusher with adjustable inter space |
| CN202061658U (en) * | 2011-04-19 | 2011-12-07 | 贵州成智重工科技有限公司 | Opening regulating device of impact crusher |
| CN202162022U (en) * | 2011-05-23 | 2012-03-14 | 江油黄龙破碎输送设备制造有限公司 | Compensating and regulating mechanism for particle size of double-tooth roll crusher and abrasion compensation of toothed plate |
| JP5933255B2 (en) * | 2011-12-27 | 2016-06-08 | 株式会社アーステクニカ | Vertical crusher |
| CN103331193B (en) * | 2013-07-15 | 2015-04-22 | 徐州徐工施维英机械有限公司 | Adjusting device of counterattack rack and crashing machine |
| CN204610662U (en) * | 2015-02-11 | 2015-09-02 | 陈琮琳 | A kind of spring damper |
| CN205008042U (en) * | 2015-09-15 | 2016-02-03 | 李彦 | Hammer crusher hammer sieve clearance adjustment device |
| CN204952994U (en) * | 2015-10-24 | 2016-01-13 | 宋国丰 | Stone crusher |
| CN107262250B (en) * | 2016-04-06 | 2022-10-21 | 中国铁建重工集团股份有限公司 | Vertical shaft type impact crusher and crushing method |
| CN207147913U (en) * | 2017-09-20 | 2018-03-27 | 衢州智坚机械科技有限公司 | A kind of wearing plate abrasion testing device |
| CN208050057U (en) * | 2018-01-25 | 2018-11-06 | 广州市佑佳加气混凝土制品有限公司 | A kind of sieve plate regulating device of hammer mill |
| CN208542270U (en) * | 2018-06-06 | 2019-02-26 | 重庆工程职业技术学院 | A kind of stone crusher for building |
| CN208926555U (en) * | 2018-07-19 | 2019-06-04 | 陕西聚仁谷医疗器械有限公司 | A kind of external fixator for orthopedics dep adjusting rod |
| CN110833893A (en) * | 2018-08-16 | 2020-02-25 | 五河县科迈佳机械科技有限公司 | Granularity-adjustable ore crusher |
| CN209034465U (en) * | 2018-09-14 | 2019-06-28 | 安徽东方钙业有限公司 | A kind of regulating mechanism of impact breaker |
| CN209885906U (en) * | 2019-03-29 | 2020-01-03 | 广西美斯达工程机械设备有限公司 | Impact frame hydraulic device for impact breaking |
| CN210045332U (en) * | 2019-05-22 | 2020-02-11 | 辽宁达斯特科技开发有限公司 | Automatic adjusting device for impact hanging rack of impact crusher |
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2020
- 2020-03-16 CN CN202010182909.9A patent/CN111359727B/en active Active
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Effective date of registration: 20220127 Address after: No.88, Dongqi line, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: China Railway Construction Heavy Industry Group Co.,Ltd. Patentee after: China Railway Construction International Group Co., Ltd Address before: No.88, Dongqi line, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: China Railway Construction Heavy Industry Group Co.,Ltd. |
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