CN211887125U - Roller crusher adjustment mechanism - Google Patents
Roller crusher adjustment mechanism Download PDFInfo
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- CN211887125U CN211887125U CN202020294149.6U CN202020294149U CN211887125U CN 211887125 U CN211887125 U CN 211887125U CN 202020294149 U CN202020294149 U CN 202020294149U CN 211887125 U CN211887125 U CN 211887125U
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- cross beam
- roller crusher
- crushing wall
- adjusting rod
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Abstract
The utility model relates to the field of crushers, and discloses a roller crusher adjusting mechanism, which comprises a frame, an eccentric rotor, an arc crushing wall and an adjusting device, wherein the arc crushing wall and the adjusting device are installed on a frame rotating shaft of the frame and can rotate along the frame rotating shaft; one end of the adjusting rod is rotatably connected with the lower part of the arc-shaped crushing wall, and the other end of the adjusting rod is connected with the cross beam. The utility model discloses a convenient regulation of ore discharge mouth reaches iron, effectively protects relevant spare part when transshipping for the eccentric load can be eliminated to the breaker, high-efficient operation. Compared with the prior art, the utility model discloses the succinct compactness of structure can independently be connected for module and equipment host computer, simple to operate, and require lowly to relevant piece size of host computer, intensity, obviously reduces the overall dimension and the manufacturing cost of host computer to be favorable to the transportation, the equipment and the maintenance that this equipment is upsized.
Description
Technical Field
The utility model relates to a breaker field especially relates to a roller crusher adjustment mechanism.
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. The advantages of the eccentric roller crusher principle are: 1. the crushing eccentricity in the whole crushing cavity is the same, and compared with crushing equipment of which the eccentricity is gradually reduced along the crushing cavity, such as a common jaw crusher, a cone crusher, a gyratory crusher and the like, the crushing equipment can more fully and efficiently crush ores, and the processing capacity is obviously improved; 2. the crushing cavity formed by the inner arc surface of the arc-shaped crushing wall and the outer circle of the eccentrically rotating roller body ensures that more minerals are crushed by bending and shearing in the crushing process, and the energy consumption is low.
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. The ore discharge port adjusting device of the existing eccentric roller type crusher has a plurality of defects, so that the using effect of the equipment 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 a mine discharge port is changed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a roller crusher adjustment mechanism to solve the aforementioned problem that exists among the prior art.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
an adjusting mechanism of a roller crusher 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) and the adjusting device (5) are installed on a rack rotating shaft (3) of the rack (1) and can rotate along the rack rotating shaft (3), the adjusting device (5) comprises a cross beam (5-2) and an adjusting rod (5-3), tension plates (5-1) are arranged at two ends of the cross beam (5-2), one end of each tension plate (5-1) is connected with the cross beam (5-2), and the other end of each tension plate (5-1) is fixedly connected with the rack (1); one end of the adjusting rod (5-3) is rotatably connected with the lower part of the arc-shaped crushing wall (4), and the other end of the adjusting rod (5-3) is connected with the cross beam (5-2).
When the crushing force acting on the arc-shaped crushing wall (4) is transmitted to the adjusting rod (5-3), a corresponding reaction force is provided by the adjusting rod (5-3), so that the size of the ore discharge opening is ensured to be fixed. The utility model discloses adjusting device (5) that set up have indisputable protect function, when difficult broken thing entering equipment, thereby adjust the pole accessible and let and increase broken chamber, the utility model discloses still be provided with the broken round pin, the broken round pin has played the effect of protection mechanical structure, thereby can cut the broken round pin and get rid of difficult broken thing, timely effectual protection relevant part, assurance equipment overall safety letting the in-process meet difficult broken thing.
Furthermore, the other end of the adjusting rod (5-3) is rotatably connected with the cross beam (5-2), and the two ends of the cross beam (5-2) are fixedly connected with the tension plate (5-1).
Furthermore, the other end of the adjusting rod (5-3) is fixedly connected with the cross beam (5-2), and the two ends of the cross beam (5-2) are rotatably connected with the tension plate (5-1).
Furthermore, the regulating device (5) has overload protection.
Further, the overload protection has a mechanical break point.
Further, the overload protection has a hydraulic valve.
The utility model discloses set up overload protection, overload protection has mechanical type's predetermined breakpoint and hydrovalve, when the crushing force is very big and exceed the range that adjusting device (5) can be adjusted, the utility model discloses can realize effectively protecting relevant spare part through overload protection.
Further, the length value of the adjustment lever (5-3) can be continuously adjusted between the first position and the second position.
Furthermore, the adjusting rod (5-3) is of a spring structure.
Further, the number of the adjusting rods (5-3) is at least one.
When the adjusting rod (5-3) corresponds to the hydraulic cylinder, the first position and the second position are respectively in a fully retracted state and a fully extended state of a cylinder barrel of the hydraulic cylinder; when the adjusting rod (5-3) is of a spring structure, the first position and the second position are respectively in a state that the spring is fully retracted and fully extended. For the condition that the width of the eccentric rotor (2) is large, the corresponding width of the arc-shaped crushing wall (4) is also set to be large, the whole rack structure is sensitive to unbalance loading, and the unbalance loading can influence the parallelism of an outer arc surface bus of the eccentric rotor (2) and an inner arc surface bus of the arc-shaped crushing wall (4), so that the discharging granularity is influenced, and the unbalance loading can cause the stress deterioration of parts such as the arc-shaped crushing wall (4). In order to eliminate the unbalance loading, the utility model discloses a set up a plurality of regulation poles (5-3) along the broken wall width direction of arc, adjust pole (5-3) and be thrust hydraulic cylinder or spring structure, support the lower part of the broken wall of arc (4) jointly, guarantee the depth of parallelism of ore discharge mouth, eliminate the influence of unbalance loading to ejection of compact granularity and to the impact of relevant spare parts such as the broken wall of arc (4).
The utility model has the advantages 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, the unbalance loading appears in the difficult emergence during broken material, the utility model discloses an adjusting device can eliminate the impact of unbalance loading to the broken wall of arc, makes the generating line of the broken wall inner arc face of arc remain parallel for eccentric rotor outer arc face generating line throughout to make equipment ejection of compact granularity remain stable. In addition, compare in prior art, the utility model discloses an adjusting device structure is succinct, compact to can independently be connected for module and equipment host computer, simple to operate, and to relevant piece size of host computer, intensity requirement low, obviously reduce the overall dimension and the manufacturing cost of host computer, and be favorable to the transportation, the equipment and the maintenance that this equipment is upsized.
Drawings
Fig. 1 is a schematic structural diagram 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 cross-member structure of the adjusting device.
1. The device comprises a rack, 1-1 parts of side plates I and 1-2 parts of side plate I pin shaft holes, 1-3 parts of side plates II and 1-4 parts of side plate II pin shaft holes, 1-5 parts of rack side plate connecting beams, 2 parts of eccentric rotors, 3 parts of rack rotating shafts, 4 parts of arc crushing walls, 4-1 parts of crushing lining plates, 4-2 parts of convex shaft I and 4-3 parts of convex shaft II and 4-4 parts of arc crushing wall pin shaft holes, 5 parts of adjusting devices, 5-1 parts of tension plates, 5-2 parts of cross beams, 5-3 parts of adjusting rods, 5-4 parts of beams, 5-5 parts of convex shafts, 5-6 parts of adjusting rod seat plates, 5-7 parts of bolt holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, 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 given by way of illustration only.
First embodiment, as shown in fig. 1 and 2, an adjusting mechanism of a roller crusher comprises a frame 1, an eccentric rotor 2, an arc-shaped crushing wall 4 which is installed on a frame rotating shaft 3 of the frame 1 and can rotate around the frame 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 rack side plate connecting beam 1-5 to form a rack whole body (see figure 3). As shown in fig. 4, the arc-shaped crushing wall 4 is provided with a crushing lining plate 4-1, which is beneficial to improving the crushing efficiency of the crusher, increasing the yield and reducing the metal consumption. The adjusting device 5 comprises a cross beam 5-2 and an adjusting rod 5-3.
As shown in fig. 5, two tension plates 5-1 are disposed at two ends of the cross beam 5-2, and in this embodiment, the number of the tension plates is two, and each tension plate is triangular and is respectively disposed at the left end and the right end of the cross beam 5-2. One end of each of the two tension plates 5-1 is provided with a round hole, the round holes of the two tension plates are concentric with each other, and the two tension plates 5-1 are rotatably connected with the cross beam 5-2 through two convex shafts 5-5 on the cross beam 5-2. The other end of the tension plate 5-1 is fixedly connected with the frame 1, the other end of each tension plate is provided with two pin shaft holes, the two pin shaft holes of the tension plate positioned at the left end of the cross beam 5-2 correspond to the pin shaft holes 1-2 of the first side plate, and the two pin shaft holes of the tension plate positioned at the right end of the cross beam 5-2 correspond to the pin shaft holes 1-4 of the second side plate.
As shown in figure 6, an adjusting rod seat plate 5-6 is arranged on a beam 5-4 of a cross beam 5-2, the adjusting rod seat plate 5-6 is provided with a bolt hole 5-7, one end of an adjusting rod 5-3 is fixedly connected with the adjusting rod seat plate 5-6 through a bolt assembly, the adjusting rod 5-3, the adjusting rod seat plate 5-6 and the cross beam 5-2 form a whole, the whole can rotate along mutually concentric circular holes on two tension plates 5-1, an arc-shaped crushing wall pin shaft hole 4-4 is arranged at the lower part of an arc-shaped crushing wall 4, and the other end of the adjusting rod 5-3 is rotatably connected with the lower part of the arc-shaped crushing wall 4.
The arc-shaped crushing wall 4 is connected to the rotating shaft 3 of the frame 1 through the first protruding shaft 4-2 and the second protruding shaft 4-3 on the arc-shaped crushing wall 4, so that the whole arc-shaped crushing wall can rotate along the rotating shaft 3, and the outer arc surface of the eccentric rotor 2 and the inner arc surface of the arc-shaped crushing wall 4 form a crushing cavity with gradually reduced distance. When the eccentric rotor 2 rotates, the outer arc surface of the eccentric rotor 2 periodically approaches and departs from the inner arc surface of the arc-shaped crushing wall 4, thereby crushing ore. The adjusting rod 5-3 adopts a thrust hydraulic cylinder structure, the thrust provided by the adjusting rod 5-3 and the crushing force of the crushed ore acting on the arc-shaped crushing wall 4 are mutually offset, and the ore discharge opening is kept constant. When equipment passes through the difficultly-broken object, the hydraulic cylinder can be used for making the ore discharge opening be properly enlarged by yielding, and the difficultly-broken object is discharged.
From the analysis of the stress angle of parts, the crushing force acts on the round hole on the tension plate 5-1 through the whole body formed by the arc-shaped crushing wall 4, the adjusting rod 5-3 and the cross beam 5-2, and the other end of the tension plate 5-1 is connected and fixed on the frame 1, so that the force borne by the tension plate 5-1 is always tensile force, the condition of pressure instability cannot occur, and the tension plate 5-1 can realize light weight. The adjusting rod 5-3 adopts a thrust hydraulic cylinder structure, and compared with a tension cylinder adopted in the prior art, the diameter of the hydraulic cylinder is smaller, so that the structure of the whole crusher is simplified and compact.
The adjusting device 5 has an overload protection with a hydraulic valve and a mechanical break point.
The adjusting rod 5-3 of the first embodiment is a thrust hydraulic cylinder, and the length value of the adjusting rod 5-3 can be continuously adjusted between a first position (the cylinder barrel is fully retracted) and a second position (the cylinder barrel is fully extended). The adjustment lever 5-3 may also be of a spring construction, the first and second positions corresponding to fully retracted and fully extended states of the spring, respectively.
In the first embodiment, unbalance loading generated by the crushing force on the arc-shaped crushing wall can be absorbed by the torsional rigidity of the cross beam 5-2, and in addition, a plurality of adjusting rods can be arranged according to the width of the arc-shaped crushing wall 4 and act on the arc-shaped crushing wall 4 together, so that the unbalance loading is eliminated better. The plurality of adjusting rods 5-1 are all thrust hydraulic cylinders, the adjusting rods 5-1 can be communicated through oil paths, and oil is supplemented and discharged through the same oil path, so that a hydraulic system is greatly simplified, and the reliability is improved.
In the second embodiment, the other end of the adjusting rod 5-3 is rotatably connected with the cross beam 5-2, and the two ends of the cross beam 5-2 are fixedly connected with the tension plate 5-1. The tension plate 5-1 and the cross beam 5-2 form a whole body, the whole body can be rotatably connected with the other end of the adjusting rod 5-3, and the rest structure of the second embodiment is the same as that of the first embodiment.
Adjusting device 5 has overload protection, and overload protection has mechanical predetermined breakpoint and hydrovalve, and when the crushing force was very big and exceeded the range that adjusting device 5 can be adjusted, the utility model discloses can realize effectively protecting relevant spare part through overload protection. If the adjusting rod 5-1 judges that the objects which are difficult to crush are not discharged within a certain time through pressure detection, the adjusting rod 5-1 carries out comprehensive pressure relief and retracts rapidly and greatly under the action of crushing force, so that the arc-shaped crushing wall 4 rotates anticlockwise at a large angle relative to the rack rotating shaft 3, the arc-shaped crushing wall 4 moves rapidly and greatly to be away from the eccentric rotor 2, the discharge of the objects which are difficult to crush is realized, relevant parts are protected from being damaged, and the function of iron protection is realized.
Through adopting the utility model discloses an above-mentioned technical scheme has obtained following profitable effect: the utility model discloses a convenient regulation of ore discharge mouth reaches iron, effectively protects relevant spare part when transshipping for the eccentric load can be eliminated to the breaker, high-efficient operation. Compared with the prior art, the utility model discloses an adjusting device structure is succinct, compact to can independently be connected for module and equipment host computer, simple to operate, and to relevant piece size of host computer, intensity requirement low, obviously reduce the overall dimension and the manufacturing cost of host computer, and be favorable to the transportation, the equipment and the maintenance that this equipment is upsized.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (9)
1. The adjusting mechanism of the roller crusher 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) and the adjusting device (5) are mounted on a rack rotating shaft (3) of the rack (1) and can rotate along the rack rotating shaft (3), the adjusting device (5) comprises a cross beam (5-2) and an adjusting rod (5-3), tension plates (5-1) are arranged at two ends of the cross beam (5-2), one end of each tension plate (5-1) is connected with the cross beam (5-2), and the other end of each tension plate (5-1) is fixedly connected with the rack (1); one end of the adjusting rod (5-3) is rotatably connected with the lower part of the arc-shaped crushing wall (4), and the other end of the adjusting rod (5-3) is connected with the cross beam (5-2).
2. A roller crusher adjustment mechanism according to claim 1, characterized in that the other end of the adjustment bar (5-3) is rotatably connected to the cross beam (5-2), and that both ends of the cross beam (5-2) are fixedly connected to the tension plate (5-1).
3. A roller crusher adjustment mechanism according to claim 1, characterized in that the other end of the adjustment bar (5-3) is fixedly connected to the cross beam (5-2), and that both ends of the cross beam (5-2) are rotatably connected to the tension plate (5-1).
4. A roller crusher adjustment mechanism according to claim 2 or 3, characterized in that the adjustment device (5) has overload protection.
5. A roller crusher adjustment mechanism according to claim 4, characterized in that the overload protection has a mechanical break point.
6. A roller crusher adjustment mechanism according to claim 5, characterized in that the overload protection has a hydraulic valve.
7. A roller crusher adjustment mechanism according to claim 1, characterized in that the length value of the adjustment bar (5-3) is continuously adjustable between the first position and the second position.
8. A roller crusher adjustment mechanism according to claim 1, characterized in that the adjustment bar (5-3) is of a spring construction.
9. A roller crusher adjustment mechanism according to claim 1, characterized in that the number of adjustment bars (5-3) is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020294149.6U CN211887125U (en) | 2020-03-11 | 2020-03-11 | Roller crusher adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020294149.6U CN211887125U (en) | 2020-03-11 | 2020-03-11 | Roller crusher adjustment mechanism |
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| Publication Number | Publication Date |
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| CN211887125U true CN211887125U (en) | 2020-11-10 |
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| CN202020294149.6U Active CN211887125U (en) | 2020-03-11 | 2020-03-11 | Roller crusher adjustment mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229375A (en) * | 2020-03-11 | 2020-06-05 | 塞尔姆（北京）科技有限责任公司 | Roller crusher adjustment mechanism |
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- 2020-03-11 CN CN202020294149.6U patent/CN211887125U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229375A (en) * | 2020-03-11 | 2020-06-05 | 塞尔姆（北京）科技有限责任公司 | Roller crusher adjustment mechanism |
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