CN111298893A - Flat head roller crusher adjusting device - Google Patents
Flat head roller crusher adjusting device Download PDFInfo
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- CN111298893A CN111298893A CN202010166933.3A CN202010166933A CN111298893A CN 111298893 A CN111298893 A CN 111298893A CN 202010166933 A CN202010166933 A CN 202010166933A CN 111298893 A CN111298893 A CN 111298893A
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- rotating shaft
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- flat head
- arc
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052742 iron Inorganic materials 0.000 abstract description 7
- 241000755266 Kathetostoma giganteum Species 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002789 length control Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the field of crushers and discloses a flat-head roller crusher adjusting device which comprises a rack, an eccentric rotor, an arc crushing wall and an adjusting device, wherein the arc crushing wall is arranged on a first rotating shaft of the rack and can rotate around the rotating shaft; two ends of the second rotating shaft are respectively provided with a connecting plate, one end of the adjusting rod is rotatably connected with the first crank, and the other end of the adjusting rod is rotatably connected with the rack; one end of the second crank is rigidly connected with the second rotating shaft, the other end of the second crank is provided with a connecting rod, the other end of the second crank is rotatably connected with one end of the connecting rod, and the other end of the connecting rod is connected with the lower part of the back of the arc-shaped crushing wall. The invention has convenient installation and maintenance, realizes convenient adjustment of the ore discharge port and effective protection of relevant parts during iron passing or overload, and ensures that the crusher can eliminate unbalance loading and operate efficiently.
Description
Technical Field
The invention relates to the field of crushers, in particular to a flat-head roller crusher adjusting device.
Background
The known eccentric roller crusher mainly comprises a frame body, an arc crushing wall, a horizontal eccentric roller body and an ore discharge port adjusting device, wherein the upper portion of the arc crushing wall is rotatably connected with the frame body, the horizontal eccentric roller body is connected with the frame body and can eccentrically rotate, a crushing cavity with the mutual distance gradually reduced is formed by the outer arc surface of an eccentric rotor and the inner arc surface of the arc crushing wall, and the outer arc surface is periodically close to and far away from the inner arc surface of the arc crushing wall when the eccentric rotor rotates, so that ore crushing is realized.
Crushing equipment can inevitably get into difficult broken thing in the use, if handle improper can cause very big damage to relevant spare part, even cause and shut down, influence production. In addition, in the prior art, the mine discharge opening adjusting device has a plurality of defects, so that the using effect of the device is poor, and the exertion of the advanced crushing principle is limited. Some adopt complicated lever structure, the trouble is many; some of the devices adopt an electromagnet form, so that the reliability of action cannot be ensured; some of the methods adopt a pulling hydraulic cylinder to pull the wedge: the gap between the arc-shaped crushing wall and the fixed cross beam is propped open by virtue of the inclined iron, so that the position of the arc-shaped crushing wall is changed, and then the ore discharge port is changed. In addition, the size requirement on the frame body, the fixed cross beam and the connection between the fixed cross beam and the frame body is high, the strength requirement is high, and the manufacturing cost of the whole machine is high, and the installation and maintenance are difficult.
Disclosure of Invention
The object of the present invention is to provide an adjustment device for a flat head roll crusher, which solves the aforementioned problems of the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a flat head roller crusher adjusting device comprises a rack (1), an eccentric rotor (2), an arc-shaped crushing wall (4) and an adjusting device (5), wherein the arc-shaped crushing wall (4) is installed on a first rotating shaft (3) of the rack (1) and can rotate around the rotating shaft (3), and the adjusting device (5) comprises a second rotating shaft (5-4), an adjusting rod (5-1), a first crank (5-3) and a second crank (5-5), and the first crank and the second crank are rigidly connected to the second rotating shaft (5-4); two ends of the second rotating shaft (5-4) are respectively provided with a connecting plate (5-2), one end of the connecting plate (5-2) is rotatably connected with the second rotating shaft (5-4), and the other end of the connecting plate (5-2) is fixedly connected with a side plate of the rack (1); one end of the adjusting rod (5-1) is rotatably connected with the first crank (5-3), and the other end of the adjusting rod (5-1) is rotatably connected with the rack (1); one end of the second crank (5-5) is rigidly connected with the second rotating shaft (5-4), the other end of the second crank (5-5) is provided with a connecting rod (5-6), the other end of the second crank (5-5) is rotatably connected with one end of the connecting rod (5-6), and the other end of the connecting rod (5-6) is rotatably connected with the lower part of the back surface of the arc-shaped crushing wall (4).
Furthermore, the regulating device (5) has overload protection.
Further, the overload protection has a mechanical predetermined breaking point.
Further, the overload protection has a hydraulic valve.
The invention is provided with overload protection which is provided with a mechanical preset breakpoint and a hydraulic valve, and when the crushing force is large and exceeds the adjustable range of the adjusting device (5), the invention can realize effective protection on related parts through the overload protection.
Further, the adjusting device (5) comprises at least one second crank (5-5), and the number of the connecting rods (5-6) is the same as that of the second cranks (5-5); the adjusting device (5) comprises at least one first crank (5-3), and the number of the adjusting rods (5-1) is the same as that of the first cranks (5-3).
Hardness, intensity and the size of the material blocks which need to be crushed are different, the number of the adjusting rods is set according to the standard size of the material blocks which need to be crushed and the material characteristics of the material, if the hardness, the intensity or the size of the material blocks which need to be crushed are very large, the required crushing force is also very large, a plurality of adjusting rods are correspondingly arranged, and therefore the thrust relative to the crushing force is increased.
Furthermore, the thrust required to be provided by the adjusting rod (5-1) is changed by adjusting the ratio between the length of the first crank (5-3) and the length of the second crank (5-5).
The specific value of the thrust required to be provided by the adjusting rod (5-1) is determined according to the size of the crushing force and the length proportion of the two cranks, the same moment is provided, the arm length is long, and the required force is small. The purpose of adjusting the length proportion of the two cranks (the first crank and the second crank) is to change the requirement on the thrust of the adjusting rod (5-1) under the same crushing force, and reduce the volume or pressure of the high-cost hydraulic cylinder by improving the rigidity of a low-cost mechanical part, so that the design is more flexible and more economical. The maximum thrust which can be provided by the adjusting rod (5-1) is limited, and the lengths of the first crank (5-3) and the second crank (5-5) on the second rotating shaft (5-4) can be set to be different. The length ratio of the first crank (5-3) and the second crank (5-5) is set so as to change the thrust provided by the adjusting rod (5-1).
Further, the adjusting device (5) can continuously adjust the arc-shaped crushing wall (4) between the position of the minimum ore discharge hole and the position of the maximum ore discharge hole.
Furthermore, the angle formed by a connecting line between the axis of the first rotating shaft (3) and the axis of the second rotating shaft (5-4) and a connecting line between the axis of the second rotating shaft (5-4) and the axis of the eccentric rotor (2) is larger than 30 degrees.
The positions of the first rotating shaft (3), the second rotating shaft (5-4) and the eccentric rotor (2) are set according to the integral stress structure of the integral crusher, so that the integral structure of the crusher is stable and the stress is balanced.
Furthermore, a thrust hydraulic cylinder is adopted for the adjusting rod (5-1).
The adjusting rod (5-1) adopts a thrust hydraulic cylinder, and compared with a tension cylinder adopted in the prior art, the hydraulic cylinder adopted in the invention has smaller diameter, thereby simplifying the integral structure of the crusher.
Furthermore, the adjusting rod (5-1) is of a spring structure.
The crusher often takes place in the working process that the crushing cavity gets into the uncrushable material piece, commonly known as iron, if the uncrushable material piece can not pass through the crushing cavity smoothly, then the crusher probably takes place to stop unusually, or cause the damage to the key spare part of crusher to break whole technology production line, bring huge economic loss for the user. The adjusting device (5) provided by the invention mainly provides a function of iron passing protection in addition to thrust. The adjusting rod (5-1) adopts a thrust hydraulic cylinder or a spring structure, namely a spring iron-passing protection device or hydraulic iron-passing protection, so that when uncrushable material blocks enter a crushing cavity of the crusher, the adjusting device (5) can enlarge the crushing cavity, the material blocks smoothly pass through the crushing cavity, and the reliability is very high.
The invention has the beneficial effects that: the convenient adjustment of the ore discharge port is realized, and related parts are effectively protected during iron passing, so that the crusher can operate efficiently. In addition, unbalance loading is difficult to avoid when the materials are crushed, the adjusting device can eliminate the impact of the unbalance loading on the arc crushing wall, so that the generatrix of the inner arc surface of the arc crushing wall is always parallel to the generatrix of the outer arc surface of the eccentric rotor, and the discharging granularity of the equipment is kept stable. In addition, compared with the prior art, the adjusting device adopted by the invention has a simple and compact structure, can be independently used for connecting the module with the equipment main machine, is convenient to install, has low requirements on the size and the strength of relevant parts of the main machine, obviously reduces the appearance size and the manufacturing cost of the main machine, and is beneficial to large-scale transportation, assembly and maintenance of the equipment.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the frame, the arc-shaped crushing wall and the adjusting device.
Fig. 3 is a schematic view of a rack structure.
Fig. 4 is a schematic view of the structure of an arc-shaped crushing wall.
Fig. 5 is a schematic view of the structure of the adjusting device.
Fig. 6 is a schematic view of the structure of the rotating shaft of the adjusting device.
Fig. 7 is a schematic structural view of the connection plate.
1. The device comprises a rack, 1-1 parts of first side plates, 1-2 parts of first connecting plate pin shaft holes, 1-3 parts of second side plates, 1-4 parts of second connecting plate pin shaft holes, 1-5 parts of cross beams, 1-6 parts of third pin shaft holes, 1-7 parts of fourth pin shaft holes, 1-8 parts of first rotating shaft pin shaft holes, 2 parts of eccentric rotors, 3 parts of first rotating shafts, 4 parts of arc-shaped crushing walls, 4-1 parts of crushing lining plates, 4-2 parts of fifth pin shaft holes, 5 parts of adjusting devices, 5-1 parts of adjusting rods, 5-2 parts of connecting plates, 5-3 parts of first cranks, 5-4 parts of second rotating shafts, 5-5 parts of second cranks, 5-6 parts of connecting rods, 6 parts of second pin shaft holes, 7 parts of first pin shaft holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
First embodiment, an adjusting device of a flat head roller crusher, as shown in fig. 1 and 2, comprises a frame 1, an eccentric rotor 2, an arc-shaped crushing wall 4 which is installed on a first rotating shaft 3 of the frame 1 and can rotate around the rotating shaft 3, and an adjusting device 5. The rack 1 comprises a first side plate 1-1 and a second side plate 1-3, and the first side plate 1-1 and the second side plate 1-3 are connected through a cross beam 1-5 to form a rack whole. The arc-shaped crushing wall 4 is connected with the frame 1 through a rotating shaft 3 on the arc-shaped crushing wall, and the arc-shaped crushing wall 4 can rotate around the rotating shaft 3 relative to the frame 1. The adjustment device 5 comprises a second shaft 5-4, two adjustment rods 5-1 and two first cranks 5-3 and two second cranks 5-5 rigidly connected to the second shaft 5-4 (see fig. 5 and 6). An angle formed by a connecting line between the axis of the first rotating shaft 3 and the axis of the second rotating shaft 5-4 and a connecting line between the axis of the second rotating shaft 5-4 and the axis of the eccentric rotor 2 is 60 degrees.
As shown in FIG. 3, the first side plate 1-1 and the second side plate 1-3 are respectively provided with a third pin shaft hole 1-6 and a fourth pin shaft hole 1-7, one end of each of the two adjusting rods 5-1 is rotatably connected with the frame 1 through the third pin shaft hole 1-6 and the fourth pin shaft hole 1-7, and the other end of each of the two adjusting rods 5-1 is rotatably connected with two first cranks 5-3 on the second rotating shaft 5-4. Two ends of the second rotating shaft 5-4 are respectively provided with a connecting plate 5-2, and the first side plate 1-1 and the second side plate 1-3 are respectively provided with a connecting plate pin shaft hole I1-2 and a connecting plate pin shaft hole II 1-4. As shown in FIG. 7, one end of the connecting plate 5-2 is provided with a first pin shaft hole 7 and is rotatably connected with the second rotating shaft 5-4 through the first pin shaft hole 7, and the other end of the connecting plate 5-2 is provided with a second pin shaft hole 6 and is fixedly connected with a side plate of the rack 1 through the second pin shaft hole 6.
One end of the adjusting rod 5-1 is rotatably connected with the first crank 5-3, and the other end of the adjusting rod 5-1 is rotatably connected with the rack 1; one end of a second crank 5-5 is rigidly connected with a second rotating shaft 5-4, the other end of the second crank 5-5 is provided with a connecting rod 5-6, the other end of the second crank 5-5 is rotatably connected with one end of the connecting rod 5-6, the arc-shaped crushing wall 4 comprises a crushing lining plate 4-1 (shown in figure 4), the lower part of the back surface of the arc-shaped crushing wall 4 is provided with a fifth pin shaft hole 4-2, and the other end of the connecting rod 5-6 is connected with the lower part of the back surface of the arc-shaped crushing wall 4 through the fifth pin shaft hole 4-2.
From the stress angle of parts, the crushing force is transmitted to the second rotating shaft 5-4 through the arc-shaped crushing wall 4 and the connecting rod 5-6, the thrust of the adjusting rod 5-1 is transmitted to the rotating shaft 5-4 at the same time, and the resultant force direction of the crushing force and the thrust of the adjusting rod 5-1 is that the second rotating shaft 5-4 is far away from the rack 1, so that the connecting plate 5-2 bears the tension instead of the pressure, and the condition of pressure bearing instability of the connecting plate 5-2 does not exist, so that the connecting plate can realize light weight. The second rotating shaft 5-4 is an integral shaft, two ends of the second rotating shaft 5-4 penetrate into the first pin shaft holes 7 respectively, the structure is different from the structure that a cantilever pin shaft is inserted from the outer side in the prior art, which is convenient to mount, and a cantilever pin shaft with a larger diameter and a corresponding rotating shaft are needed, and the second rotating shaft 5-4 arranged in the embodiment can realize light weight.
The first crank 5-3 and the second crank 5-5 are rigidly connected on the second rotating shaft 5-4, and can provide synchronous support for the lower part of the arc-shaped crushing wall 4, even if the crushing force generates unbalance loading on the arc-shaped crushing wall, namely the generatrix of the inner arc surface of the arc-shaped crushing wall is not parallel to the generatrix of the outer arc surface of the eccentric rotor, so that the shape change of a mine discharge port and the stress of parts are uneven, the second rotating shaft 5-4 arranged in the first embodiment can avoid the arc-shaped crushing wall 4 from inclining, the unbalance loading generated by the crushing force on the arc-shaped crushing wall is absorbed by the torsional rigidity of the second rotating shaft 5-4, the motion of the two adjusting rods cannot be influenced, the two adjusting rods 5-1 both adopt thrust hydraulic cylinders, the two adjusting rods 5-1 can be communicated by oil passages, oil supplement and discharge are performed by the same oil passage, so that a, the reliability is improved. The cylinder barrel of the thrust hydraulic cylinder adopted by the adjusting rod 5-1 corresponds to two mechanical breakpoint positions of full retraction and full extension, and continuous adjustment can be realized between the two breakpoint positions, so that the adjusting device 5 can continuously adjust the arc-shaped crushing wall 4 between the minimum ore discharge port position and the maximum ore discharge port position.
The thrust required to be provided by the adjusting rod (5-1) is changed by adjusting the ratio between the length of the first crank (5-3) and the length of the second crank (5-5), i.e. the lengths of the first crank (5-3) and the second crank (5-5) are set according to the thrust required to be provided by the adjusting rod (5-1). The maximum thrust provided by the adjusting rod 5-1 is limited, the lengths of the first crank 5-3 and the second crank 5-5 on the second rotating shaft 5-4 can be set to be different, and the thrust provided by the adjusting rod 5-1 can be changed by setting the lengths of the first crank 5-3 and the second crank 5-5.
The adjusting rod 5-1 can also be a spring structure or a structure which is damaged after the stress exceeds a certain preset value.
When the crusher works, the force generated by the ore on the arc-shaped crushing wall 4 is transmitted to the second crank 5-5 through the connecting rod 5-6, so that the first rotating shaft 5-4 generates a positive moment rotating along the first pin shaft hole 7 in the anticlockwise direction. Meanwhile, the thrust provided by the adjusting rod 5-1 is transmitted to the first crank 5-3, so that the second rotating shaft 5-4 generates a reverse moment rotating clockwise along the first pin shaft hole 7, the reverse moment and the forward moment are mutually offset, the angle of the second rotating shaft 5-4 relative to the connecting plate 5-2 is ensured to be fixed, the angle of the arc-shaped crushing wall 4 relative to the first rotating shaft 3 is fixed, and the size of the ore discharge port is fixed. And the size of the ore discharge opening can be adjusted by changing the telescopic distance of the adjusting rod 5-1.
When the crushing cavity passes through the objects difficult to crush, the positive moment caused by the crushing force is larger than the reverse moment, the adjusting rod 5-1 is compressed, the second rotating shaft 5-4 rotates anticlockwise relative to the connecting plate 5-2, so that the arc-shaped crushing wall 4 is driven to rotate anticlockwise relative to the first rotating shaft 3, the arc-shaped crushing wall 4 is far away from the eccentric rotor 2, and the elimination of the objects difficult to crush is realized by the enlarged crushing cavity.
The adjusting device 5 is provided with overload protection, the overload protection is provided with a mechanical preset breakpoint and a hydraulic valve, and when the crushing force is large and exceeds the adjustable range of the adjusting device 5, the invention can realize effective protection on relevant parts through the overload protection. If adjusting pole 5-1 and judging through pressure detection that difficult broken thing is not discharged in a certain period, then adjust pole 5-1 and carry out comprehensive pressure release to retract back fast and by a wide margin under the effect of crushing power, make broken wall 4 of arc for the quick big angle anticlockwise rotation of first pivot 3, the eccentric rotor 2 is kept away from to the quick big displacement of broken wall 4 of arc, realizes the discharge of difficult broken thing, thereby protects relevant spare part and avoids damaging, realizes crossing the function of iron protection.
In the second embodiment, the first crank and the second crank are both telescopic rod structures, and the crank length control device is additionally arranged, so that the crank length control device can adjust the lengths of the first crank and the second crank in real time according to the thrust required by the adjusting rod (5-1) during crushing. The first crank and the second crank are telescopic rod structures with the lengths capable of being adjusted in real time, the rigidity of a low-cost mechanical part is improved by adjusting the length proportion of the two cranks (the first crank and the second crank), and the volume or pressure of a high-cost hydraulic cylinder is reduced, so that the design is more flexible, and a more economic design structure is achieved. The remaining structure of the second embodiment is the same as that of the first embodiment, and will not be described herein.
By adopting the technical scheme disclosed by the invention, the following beneficial effects are obtained: the invention realizes convenient adjustment of the ore discharge port and effective protection of relevant parts during iron passing and overload, so that the crusher can eliminate unbalance loading and operate efficiently. Compared with the prior art, the adjusting device adopted by the invention has a simple and compact structure, can be independently used for connecting the module with the equipment main machine, is convenient to install, has low requirements on the size and the strength of relevant parts of the main machine, obviously reduces the appearance size and the manufacturing cost of the main machine, and is beneficial to large-scale transportation, assembly and maintenance of the equipment.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements should also be considered within the scope of the present invention.
Claims (10)
1. A flat head roller crusher adjusting device comprises a rack (1), an eccentric rotor (2), an arc-shaped crushing wall (4) and an adjusting device (5), wherein the arc-shaped crushing wall (4) is installed on a first rotating shaft (3) of the rack (1) and can rotate around the rotating shaft (3), and the adjusting device (5) is characterized in that the adjusting device (5) comprises a second rotating shaft (5-4), an adjusting rod (5-1), and a first crank (5-3) and a second crank (5-5) which are rigidly connected to the second rotating shaft (5-4); two ends of the second rotating shaft (5-4) are respectively provided with a connecting plate (5-2), one end of the connecting plate (5-2) is rotatably connected with the second rotating shaft (5-4), and the other end of the connecting plate (5-2) is fixedly connected with a side plate of the rack (1); one end of the adjusting rod (5-1) is rotatably connected with the first crank (5-3), and the other end of the adjusting rod (5-1) is rotatably connected with the rack (1); one end of the second crank (5-5) is rigidly connected with the second rotating shaft (5-4), the other end of the second crank (5-5) is provided with a connecting rod (5-6), the other end of the second crank (5-5) is rotatably connected with one end of the connecting rod (5-6), and the other end of the connecting rod (5-6) is rotatably connected with the lower part of the back surface of the arc-shaped crushing wall (4).
2. The flat head roller crusher adjustment device according to claim 1, characterized in that the adjustment device (5) has overload protection.
3. The flat head roller crusher adjustment device according to claim 2, characterized in that the overload protection has a mechanical predetermined breaking point.
4. The flat head roller crusher adjustment device according to claim 2 or 3, characterized in that the overload protection has a hydraulic valve.
5. The flat head roller crusher adjustment device according to claim 4, characterized in that the adjustment device (5) comprises at least one second crank (5-5), the number of connecting rods (5-6) being the same as the number of second cranks (5-5); the adjusting device (5) comprises at least one first crank (5-3), and the number of the adjusting rods (5-1) is the same as that of the first cranks (5-3).
6. A flat head roller crusher adjustment device according to claim 5, characterized in that the thrust force that the adjustment rod (5-1) is required to provide is changed by adjusting the ratio between the length of the first crank (5-3) and the length of the second crank (5-5).
7. A flat head roller crusher adjustment device according to claim 1, characterized in that the angle formed by the line between the axis of the first rotating shaft (3) and the axis of the second rotating shaft (5-4) and the line between the axis of the second rotating shaft (5-4) and the axis of the eccentric rotor (2) is more than 30 degrees.
8. The flat head roller crusher adjustment device according to claim 1, characterized in that the adjustment device (5) is capable of continuously adjusting the curved crushing wall (4) between a minimum discharge opening position and a maximum discharge opening position.
9. The flat head roll crusher adjustment device according to claim 1, characterized in that the adjustment rod (5-1) employs a hydraulic thrust cylinder.
10. The flat head roller crusher adjusting device according to claim 1, characterized in that the adjusting rod (5-1) is of a spring structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010166933.3A CN111298893B (en) | 2020-03-11 | 2020-03-11 | Flat head roller crusher adjusting device |
| PCT/CN2020/079691 WO2021179338A1 (en) | 2020-03-11 | 2020-03-17 | Adjustment apparatus for flat-head roller crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010166933.3A CN111298893B (en) | 2020-03-11 | 2020-03-11 | Flat head roller crusher adjusting device |
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| Publication Number | Publication Date |
|---|---|
| CN111298893A true CN111298893A (en) | 2020-06-19 |
| CN111298893B CN111298893B (en) | 2024-07-16 |
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|---|---|---|---|
| CN202010166933.3A Active CN111298893B (en) | 2020-03-11 | 2020-03-11 | Flat head roller crusher adjusting device |
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| CN111298893B (en) | 2024-07-16 |
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