CN103657775A - Hydraulic double-roll crusher and hydraulic system thereof - Google Patents
Hydraulic double-roll crusher and hydraulic system thereof Download PDFInfo
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- CN103657775A CN103657775A CN201310677083.3A CN201310677083A CN103657775A CN 103657775 A CN103657775 A CN 103657775A CN 201310677083 A CN201310677083 A CN 201310677083A CN 103657775 A CN103657775 A CN 103657775A
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Abstract
The invention discloses a hydraulic double-roll crusher and a hydraulic system thereof. The hydraulic double-roll crusher comprises a crusher frame, a fixed roller set, a movable roller set, a power device and a hydraulic system, wherein a protective executing mechanism and a discharge hole adjusting mechanism are arranged on the movable roller set; the protective executing mechanism comprises a hydraulic cylinder and a piston rod; the piston rod is connected with the movable roller set; the discharge hole adjusting mechanism comprises a small cylinder and a cushion block; and the small cylinder is connected with a slide block. The hydraulic cylinder with the piston rod is arranged on the movable roller set, so that the unreasonable structure that the spring serves as the protective executing mechanism in the past is changed, deviation of the movable roller set is prevented, the crusher has high safety and use performances and long service life, and the reaction sensitivity through iron is improved. Due to arrangement of the small cylinder, the size of the discharge hole is controlled in a hydraulic adjusting manner. Compared with the traditional spring adjustment, the hydraulic double-roll crusher has the advantages of high accuracy, convenience and the like.
Description
[technical field]
The present invention relates to a kind of mine mechanism, particularly a kind of Hydraulic Double roll crusher and hydraulic system.
[background technology]
Disintegrating machine is a kind of mine mechanism, disintegrating machine in the course of the work, cross hard material and will enter crusher chamber, as cleared up not in time material in crusher chamber, very easily damage the miscellaneous part in disintegrating machine, and in the time need to adjusting the size of broken ore, just need to regulate the size of discharge gate, and adjust the gap between fixed and action roller subgroup.
The protection of iron excessively of existing disintegrating machine and discharging opening regulate and all adopt spring; the operation principle of spring protection mechanism is: when having served as hard material and entering crusher chamber; extruding action roller subgroup and fixed roll subgroup; after action roller subgroup, move; spring is compressed; cross after iron eliminating, spring reset, thus avoided crossing iron to equipment damage.But this device exists the defect of three aspects: 1, action roller subgroup easy deflection when carrying out broken material; 2, spring high-frequency reciprocating motion, causes spring fatigue, and mechanical properties decrease, causes service life short.3, because elastic force is directly proportional to the decrement of spring, while therefore there is iron, the size of material is larger, and elastic force is larger, and the protective value of crossing iron protection mechanism is weakened.
Due to the adjusting employing spring adjusting of its nesting population size, while regulating nesting population size, need carry out at open state, there is the very big risk to operating personnel's personal injury in mode of operation, and degree of regulation is low, wastes time and energy.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, proposes a kind of Hydraulic Double roll crusher and hydraulic system thereof, can guarantee security performance and the serviceability of disintegrating machine, and the iron excessively that protection volume is larger, improves accuracy and convenience that discharging opening regulates.
For achieving the above object, the present invention proposes a kind of Hydraulic Double roll crusher, comprise crusher frame, fixed roll subgroup, action roller subgroup, power set and hydraulic system, described action roller subgroup is movably fixed in frame by slide block, between fixed roll subgroup and action roller subgroup, form crusher chamber, in action roller subgroup, be provided with protection executing agency and discharging opening guiding mechanism, described protection executing agency comprises hydraulic cylinder and piston rod, piston rod is arranged in hydraulic cylinder, piston rod is connected with action roller subgroup, described hydraulic cylinder is connected with accumulator by overflow valve, described discharging opening guiding mechanism comprises small oil tank and cushion block, described small oil tank is connected with slide block, cushion block is set on slide block, described cushion block is fixed on the intermediate support beam of frame by latch
As preferably, described power set are asynchronous machine, and described asynchronous machine is connected with action roller subgroup by shaft coupling.
As preferably, described shaft coupling is cross coupler.
As preferably, described hydraulic cylinder and accumulator are fixedly connected in frame by fixture, and described fixture and frame are spirally connected or are welded and fixed.
The invention allows for a kind of hydraulic system of Hydraulic Double roll crusher, the small oil tank and two hydraulic cylinders that comprise fuel tank, hydraulic pump, motor and driving disintegrating machine action roller subgroup, on described hydraulic cylinder, be parallel with accumulator, between hydraulic cylinder and accumulator, be provided with overflow valve, the oil-out of hydraulic pump is connected with hydraulic cylinder by oil pipe, on described oil pipe, be connected with solenoid directional control valve, check valve and pressure switch in turn, described check valve is communicated with fuel tank by oil return pipe, between oil pipe and oil return pipe, is provided with pressure regulator valve.
As preferably, on described oil return pipe, be connected with return filter, the pollutant that produces in system and invade is captured before returning to fuel tank to protection system safety.
As preferably, on described fuel tank, be provided with air cleaner and liquid level liquid thermometer.
As preferably, on described oil pipe, be provided with the second solenoid directional control valve, can be used as standbyly, improved the safety and stability of system.
Beneficial effect of the present invention: by be provided with the hydraulic cylinder of piston rod in action roller subgroup, change spring in the past as the unreasonable structure of protection executing agency, prevented the skew of action roller subgroup, disintegrating machine has higher security performance, serviceability and longer service life, and improved the reaction sensitivity while crossing iron, by small oil tank being set in action roller subgroup, in the mode of hydraulic regulation, control the size of discharge gate, regulate and compare with conventional springs formula, there is accuracy high, the advantage such as convenient, asynchronous machine is connected with action roller subgroup by shaft coupling, avoided traditional employing narrow V-belt drives mode to cause the belt problem of pine excessively.
Feature of the present invention and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present invention;
Fig. 2 is schematic top plan view of the present invention;
Fig. 3 is stereogram of the present invention;
Fig. 4 is hydraulic system schematic diagram of the present invention.
In figure: 1-frame, 2-fixed roll subgroup, 3-action roller subgroup, 4-slide block, 5-crusher chamber, 6-protects executing agency, 7-discharging opening guiding mechanism, 8-hydraulic cylinder, 9-piston rod, 91-overflow valve, 10-accumulator, 11-small oil tank, 12-cushion block, 13-latch, 14-intermediate support beam, 15-asynchronous machine, 16-shaft coupling, 17-fixture, 18-fuel tank, 19-hydraulic pump, 20-oil pipe, 21-solenoid directional control valve, 22-check valve, 23-pressure switch, 24-oil return pipe, 25-pressure regulator valve, 26-return filter, 27-air cleaner, 28-liquid level liquid thermometer, 29-the second solenoid directional control valve.
[specific embodiment]
Consult Fig. 1, Fig. 2 and Fig. 3, Hydraulic Double roll crusher of the present invention, comprise crusher frame 1, fixed roll subgroup 2, action roller subgroup 3, power set and hydraulic system, described action roller subgroup 3 is movably fixed in frame 1 by slide block 4, between fixed roll subgroup 2 and action roller subgroup 3, form crusher chamber 5, in action roller subgroup 3, be provided with protection executing agency 6 and discharging opening guiding mechanism 7, described protection executing agency 6 comprises hydraulic cylinder 8 and piston rod 9, piston rod 9 is arranged in hydraulic cylinder 8, piston rod 9 is connected with action roller subgroup 3, described hydraulic cylinder 8 is connected with accumulator 10 by overflow valve 91, described discharging opening guiding mechanism 7 comprises small oil tank 11 and cushion block 12, described small oil tank 11 is connected with slide block 4, cushion block 12 is set on slide block 4, the above the power set of intermediate support beam 14 that described cushion block 12 is fixed on frame 1 by latch 13 are asynchronous machine 15, described asynchronous machine 15 is connected with action roller subgroup 3 by cross coupler 16, described hydraulic cylinder 8 and accumulator 10 are fixedly connected in frame 1 by fixture 17, described fixture 17 is spirally connected or is welded and fixed with frame 1.
The operation principle of Hydraulic Double roll crusher of the present invention: action roller subgroup 3 is movably fixed in frame 1 by slide block 4, piston rod 9 is arranged in hydraulic cylinder 8, the stroke that changes piston rod 9 can be controlled the displacement of action roller subgroup 3, protection executing agency 6 is comprised of hydraulic cylinder 8 and piston rod 9, hydraulic cylinder 8 provides pressure by Hydraulic Station, while having served as iron generation, when hydraulic cylinder 8 internal pressures reach preset value, piston rod 9 moves, hydraulic cylinder 8 shrinks, oil in hydraulic cylinder 8 is pressed into accumulator 10, overflow valve 91 remains that hydraulic cylinder 8 internal pressures are preset value, after being with iron to get rid of, hydraulic cylinder 8 resets, realized iron protection process, this process oil circuit pressure is constant all the time, by slide plate 4 and small oil tank 11 are set in action roller subgroup 3, in the mode of hydraulic regulation, control the size of discharge gate, regulate and compare with conventional springs formula, there is accuracy high, the advantage such as convenient, asynchronous machine 15 is connected with action roller subgroup 3 by shaft coupling 16, avoided traditional employing narrow V-belt drives mode to cause the belt problem of pine excessively.
Hydraulic system of the present invention, the small oil tank 11 and two hydraulic cylinders 8 that comprise fuel tank 18, hydraulic pump 19, motor 15 and driving disintegrating machine action roller subgroup, on described hydraulic cylinder 8, be parallel with accumulator 10, between hydraulic cylinder 8 and accumulator 10, be provided with overflow valve 91, the oil-out of hydraulic pump 19 is connected with hydraulic cylinder 8 by oil pipe 20, on described oil pipe 20, be connected with solenoid directional control valve 21, check valve 22 and pressure switch 23 in turn, described check valve 22 is communicated with fuel tank 18 by oil return pipe 24, between oil pipe 20 and oil return pipe 24, is provided with pressure regulator valve 25.
As preferably, on described oil return pipe 24, be connected with return filter 26.
As preferably, on described fuel tank 18, be provided with air cleaner 27 and liquid level liquid thermometer 28.
As preferably, on described oil pipe 20, be provided with the second solenoid directional control valve 29.
Operation principle of the present invention: motor 15 drives hydraulic pump 19, provides pressure oil from fuel tank 18 to system, promotion hydraulic cylinder 8 stretches out or small oil tank 11 actions, and when pressure is raised to operating pressure, pressure switch 23 actions quit work motor 15 and hydraulic pump 19.While having served as iron generation, hydraulic cylinder 8 internal pressures will reach preset value, hydraulic cylinder 8 shrinks, oil in hydraulic cylinder 8 is pressed into accumulator 10, overflow valve 91 remains that hydraulic cylinder 8 internal pressures are preset value, and after being with iron to get rid of, hydraulic cylinder 8 resets, realized iron protection process, this process oil circuit pressure is constant all the time; The return filter 26 connecting on oil return pipe 24 captures the pollutant that produces in system and invade protection system safety before returning to fuel tank 18; The second solenoid directional control valve 29 arranging on oil pipe 20 can be used as standby, has improved the safety and stability of system.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any scheme after simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (8)
1. a Hydraulic Double roll crusher, comprise crusher frame (1), fixed roll subgroup (2), action roller subgroup (3), power set and hydraulic system, described action roller subgroup (3) is movably fixed in frame (1) by slide block (4), between fixed roll subgroup (2) and action roller subgroup (3), form crusher chamber (5), it is characterized in that: in action roller subgroup (3), be provided with protection executing agency (6) and discharging opening guiding mechanism (7), described protection executing agency (6) comprises hydraulic cylinder (8) and piston rod (9), piston rod (9) is arranged in hydraulic cylinder (8), piston rod (9) is connected with action roller subgroup (3), described hydraulic cylinder (8) is connected with accumulator (10) by overflow valve (91), described discharging opening guiding mechanism (7) comprises small oil tank (11) and cushion block (12), described small oil tank (11) is connected with slide block (4), cushion block (12) is set on slide block (4), described cushion block (12) is fixed on the intermediate support beam (14) of frame (1) by latch (13).
2. a kind of Hydraulic Double roll crusher as claimed in claim 1, is characterized in that: described power set are asynchronous machine (15), and described asynchronous machine (15) is connected with action roller subgroup (3) by shaft coupling (16).
3. a kind of Hydraulic Double roll crusher as claimed in claim 3, is characterized in that: described shaft coupling (16) is cross coupler.
4. a kind of Hydraulic Double roll crusher as claimed in claim 1, it is characterized in that: it is upper that described hydraulic cylinder (8) and accumulator (10) are fixedly connected on frame (1) by fixture (17), and described fixture (17) is spirally connected or is welded and fixed with frame (1).
5. the hydraulic system of a Hydraulic Double roll crusher, comprise fuel tank (18), hydraulic pump (19), small oil tank (11) and two hydraulic cylinders (8) of motor (15) and driving disintegrating machine action roller subgroup, it is characterized in that: on described hydraulic cylinder (8), be parallel with accumulator (10), between hydraulic cylinder (8) and accumulator (10), be provided with overflow valve (91), the oil-out of hydraulic pump (19) is connected with hydraulic cylinder (8) by oil pipe (20), on described oil pipe (20), be connected with solenoid directional control valve (21) in turn, check valve (22) and pressure switch (23), described check valve (22) is communicated with fuel tank (18) by oil return pipe (24), between oil pipe (20) and oil return pipe (24), be provided with pressure regulator valve (25).
6. the hydraulic system of a kind of Hydraulic Double roll crusher as claimed in claim 5, is characterized in that: on described oil return pipe (24), be connected with return filter (26).
7. the hydraulic system of a kind of Hydraulic Double roll crusher as claimed in claim 5, is characterized in that: on described fuel tank (18), be provided with air cleaner (27) and liquid level liquid thermometer (28).
8. the hydraulic system of a kind of Hydraulic Double roll crusher as claimed in claim 5, is characterized in that: on described oil pipe (20), be provided with the second solenoid directional control valve (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310677083.3A CN103657775B (en) | 2013-12-12 | 2013-12-12 | A kind of Hydraulic Double roll crusher |
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| CN201310677083.3A CN103657775B (en) | 2013-12-12 | 2013-12-12 | A kind of Hydraulic Double roll crusher |
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| CN103657775A true CN103657775A (en) | 2014-03-26 |
| CN103657775B CN103657775B (en) | 2016-03-30 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721783A (en) * | 2014-01-10 | 2014-04-16 | 中信重工机械股份有限公司 | Housing-free paired roller extrusion machine |
| CN104088823A (en) * | 2014-06-30 | 2014-10-08 | 洛阳天信重工机械有限公司 | Four-roller breaker hydraulic control system |
| CN105545847A (en) * | 2016-02-26 | 2016-05-04 | 华侨大学 | Hydraulic control system of crusher |
| CN105728102A (en) * | 2016-03-22 | 2016-07-06 | 衢州市辰泰机械制造有限公司 | Double-roll type drive sand making machine |
| CN109107660A (en) * | 2018-07-06 | 2019-01-01 | 甘肃省机械科学研究院有限责任公司 | A kind of adjust automatically seed damage roller clearance control system and method |
| CN109126960A (en) * | 2018-10-11 | 2019-01-04 | 福建铁拓机械有限公司 | A kind of oppositely rolling roller crusher and method of broken asphalt reclamation material |
| CN113368942A (en) * | 2021-07-21 | 2021-09-10 | 南京凯盛国际工程有限公司 | Roller press with pre-pressing function |
| CN114173929A (en) * | 2019-08-07 | 2022-03-11 | 蒂森克虏伯工业解决方案股份公司 | Roller mill with synchronizer |
-
2013
- 2013-12-12 CN CN201310677083.3A patent/CN103657775B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103721783A (en) * | 2014-01-10 | 2014-04-16 | 中信重工机械股份有限公司 | Housing-free paired roller extrusion machine |
| CN103721783B (en) * | 2014-01-10 | 2016-03-23 | 中信重工机械股份有限公司 | A kind of without case type pair roller extruder |
| CN104088823A (en) * | 2014-06-30 | 2014-10-08 | 洛阳天信重工机械有限公司 | Four-roller breaker hydraulic control system |
| CN105545847A (en) * | 2016-02-26 | 2016-05-04 | 华侨大学 | Hydraulic control system of crusher |
| CN105545847B (en) * | 2016-02-26 | 2017-07-21 | 华侨大学 | crusher hydraulic control system |
| CN105728102A (en) * | 2016-03-22 | 2016-07-06 | 衢州市辰泰机械制造有限公司 | Double-roll type drive sand making machine |
| CN109107660A (en) * | 2018-07-06 | 2019-01-01 | 甘肃省机械科学研究院有限责任公司 | A kind of adjust automatically seed damage roller clearance control system and method |
| CN109126960A (en) * | 2018-10-11 | 2019-01-04 | 福建铁拓机械有限公司 | A kind of oppositely rolling roller crusher and method of broken asphalt reclamation material |
| CN114173929A (en) * | 2019-08-07 | 2022-03-11 | 蒂森克虏伯工业解决方案股份公司 | Roller mill with synchronizer |
| CN113368942A (en) * | 2021-07-21 | 2021-09-10 | 南京凯盛国际工程有限公司 | Roller press with pre-pressing function |
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| Publication number | Publication date |
|---|---|
| CN103657775B (en) | 2016-03-30 |
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Address after: 313100 Industrial Park, Heping Town, Changxing County, Huzhou, Zhejiang Patentee after: Zhejiang mining heavy industry Co.,Ltd. Address before: 313100 Industrial Park, Heping Town, Changxing County, Huzhou, Zhejiang Patentee before: ZHEJIANG ZHE KUANG HEAVY INDUSTRIES Co.,Ltd. |