CN201959827U - High-efficient and energy-saving hydraulic crushing machine - Google Patents
High-efficient and energy-saving hydraulic crushing machine Download PDFInfo
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- CN201959827U CN201959827U CN2011200894557U CN201120089455U CN201959827U CN 201959827 U CN201959827 U CN 201959827U CN 2011200894557 U CN2011200894557 U CN 2011200894557U CN 201120089455 U CN201120089455 U CN 201120089455U CN 201959827 U CN201959827 U CN 201959827U
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- breaker roll
- roller
- breaker
- crushing
- roll
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Abstract
The utility model relates to a high-efficient and energy-saving hydraulic crushing machine which comprises a rack, a blanking and feeding part, a crushing roller and a hydraulic tension belt transmission part, wherein the crushing roller comprises a roller shaft fixed on the U-steel rack through an annular imbrex, and a pair of upper crushing rollers and a pair of lower crushing rollers which are arranged on the roller shaft. The high-efficient and energy-saving hydraulic crushing machine is characterized in that a crushing roller fixing limiting and regulating device is arranged at the pair of upper crushing rollers and the pair of lower crushing rollers; the device consists of a crushing roller fixing mechanism, a crushing roller limiting mechanism and a crushing roller adjusting mechanism which are arranged in sequence at the left, the middle and the right parts of the pair of upper crushing rollers and the pair of lower crushing rollers; the crushing roller fixing mechanism consists of a fastening nut, a sizing block, an upper and a lower layers of roller locating puller rods, a circular baffle block and a fastening nut; the crushing roller limiting mechanism consists of a limit adjusting wedge and limit regulating bolts which are arranged vertical to the limit adjusting wedge at the upper and the lower parts; the crushing roller regulating mechanism consists of a pressure roller bracket, and a spring, a clearance regulating screw rod, a roller pressure regulating bolt and an fine-tuning nut that are arranged on the pressure roller bracket in sequence. The technology has the characteristics of simple structure, flexibility and convenience for regulating a clearance between the crushing rollers, convenience for repairing, low failure rate and long service life, and the like; and the rollers are prevented from grinding with each other.
Description
One, affiliated field:
The utility model relates to the plant equipment of oil plant strip plate in the oils preparation industry, particularly a kind of high-efficiency and energy-saving type hydraulic breaker.
Two, background technology:
At present, oil plant flaker tool device categories such as known domestic and international hydraulic breaker are various, and effect is different.Use many disintegrating machines or flaker that pair roller and biconjugate roller flaker are arranged.This class disintegrating machine or flaker can be divided into two kinds of the tight roller of spring and liquid hold-down rollers by the tight roller mode of breaker roll or roll.The former is because roll gap pressure is little, regulates inconvenient, broken or to roll the embryo effect bad; The latter, is widely used so the processed in units amount is just big because its roll gap pressure is bigger, and rotating speed is also higher.In a word, though existing various disintegrating machine or flaker respectively have characteristics, but,, broken or roll the embryo weak effect except ubiquity yields poorly, the hydraulic system instability, fault is many, driving-belt (particularly vertical transmission) easy to wear, and disintegrating machine or flaker clearance between roll are adjusted difficulty, the roller phenomenon appears bumping easily, roll easily decortication falls the limit, and the service life of roller is short, parts fragile (fragile as bearing), tight roller mechanism complexity, belt pulley dismounting difficulty, equipment is airtight poor, and the operation noise is big, operation dust is big to wait deficiency, and these deficiencies have become the problem that presses for solution in present oil plant fragmentation or the device fabrication of flaker tool.
Three, summary of the invention:
The purpose of this utility model is: improve at the ubiquitous problem of prior art, design provides a kind of simple in structure, and it is flexible to regulate the breaker roll gap, fundamentally stop to produce in the disintegrating machine adjustment roller grinding roller phenomenon and (comprise the tight roller of loose roller in the normal use, generally after new roller was installed adjustment, as long as roller does not does not wear and tear, the roller gap need not be adjusted), vibrate little, noise is low, saves the energy, and is easy to maintenance, fault rate is low, the high-efficiency and energy-saving type hydraulic breaker of long service life.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of high-efficiency and energy-saving type hydraulic breaker, comprise rack section, blanking feeding part and breaker roll part, and hydraulic pressure taut band running part, wherein, rack section comprises main frame support 16, frame 6 and 21, channel-section steel frame 53 and crusher shell 5, removable middle baffle plate 31, bulkhead 12, as shown in Figure 1, 2, 3; The blanking feeding part comprises the feed hopper 1 that is arranged on the rack section upper end, feeding roller 47, and feeding adjustment doors and handle 2, feeding gate 3, material feeding roller bearing 38 and 40, concentration equipment regulating handle 4, feeding motor 39, as shown in Figure 1, 2; Breaker roll partly comprise by annular imbrex 33 and 20 be fixed on the channel-section steel frame 53 roll shaft 30 and on go up breaker roll 43 and down as shown in Figure 1, 2, 3 to breaker roll 46; Hydraulic pressure taut band running part comprises belt pulley 37,42,15,44 and the driving-belt between them 22, motor 23 and electrical machine belt pulley 25, sliding support 29, motor trapped orbit 26, crank connecting link 28, connecting axle 41, taut band oil cylinder and piston rod 24, hydraulic power unit 32, it is characterized in that: on the breaker roll part, breaker roll 43 is provided with the fixing spacing adjusting device of breaker roll with following to breaker roll 46 places, as shown in Figure 1, 2, 3.
The fixing spacing adjusting device of said breaker roll by be arranged on to, descend the breaker roll fixed mechanism 35 on the breaker roll in breaker roll 43 and 46 left sides, and be arranged on to, down to the breaker roll position-limit mechanism in the middle of breaker roll 43 and 46 and be arranged on to, down to the breaker roll guiding mechanism composition on breaker roll 43 and 46 right sides, as shown in Figure 1, 2, 3.
Said breaker roll fixed mechanism 35 is made up of clamp nut 48, parallels 54, levels roller positioning tie bar 49, rounded stops 50, clamp nut 51, this breaker roll fixed mechanism 35 be to last to, down the breaker roll in breaker roll 43 and 46 left sides is fixed, corresponding go up to, down to the breaker roll in breaker roll 43 and 46 left sides for fixing breaker roll (being called fixed roll or quiet roller), shown in Fig. 1,3.
Said breaker roll position-limit mechanism is right by being arranged on, down to the spacing drift 19 in the middle of the breaker roll, on the spacing drift 19, vertically disposed down spacing adjustment bolt 18 is formed, wherein, spacing drift 19 is designed to up big and down small trapezoidal, the breaker roll roller position-limit mechanism here (the spacing guiding mechanism in breaker roll gap) is arranged on the last right of disintegrating machine, down in the middle of the breaker roll and channel-section steel frame 53 (on, lower horizontal E shape channel-section steel support) position, mainly be that vertical up and down the adjustment reaches the adjustment of carrying out the breaker roll gap, and prevented that roller from bumping the roller phenomenon, solve the easy decortication of breaker roll (roll) and fallen the limit, the service life of roller is short, the problem of parts fragile (fragile as bearing) is as Fig. 1, shown in 3.
Said breaker roll guiding mechanism is by the tight roller stake body 14 that is arranged on the disintegrating machine front, the spring 8 that sets gradually on the tight roller stake body 14, gap adjustment screw rod 11, roller pressure is adjusted bolt 9, fine-tuning nut 10 is formed, wherein, tight roller stake body 14 is fixed on the frame 6 of right side of face breaker roll 43 and 46 positions before the disintegrating machine by set bolt 7, this breaker roll guiding mechanism is to last right, down the breaker roll 43 and 46 on breaker roll right side is finely tuned, mainly be to carry out horizontal adjusting to carry out the fine setting of the breaker roll on right side, and it is right to go up, breaker roll to the breaker roll right side is the breaker roll (perhaps being called action roller) that rotates down, as Fig. 1,2, shown in 3.
The work operation principle of present technique, the course of work and breaker roll roller spacing are adjusted method of adjustment:
1, operation principle
Material drops between breaker roll 43 and 46 under the gravity effect, and shearing and squeezing action by the speed difference of a pair of wire drawing roller of rotation is at a high speed produced make oil plant reach broken purpose.
2, the course of work and driving step
At first start Oil pump electrical machinery, the taut band fuel tap is pulled to the taut band position, after treating that Oil pump electrical machinery stops automatically, open the disintegrating machine motor, after treating that motor rotation steadily, open the distributing roller motor, and adjust flow plate control flow, check whether roller two ends mass flow is consistent, as inconsistent adjustment plate adjustable screw etc.
3, breaker roll roller spacing is adjusted method of adjustment
(1), roller spacing method of adjustment
Usually disintegrating machine two groups of pair rollers are arranged up and down or claim down to, go up breaker roll 43 and 46, here comprise that adjustment process is identical to the adjustment of spacing drift method of adjustment of breaker roll and roller spacing with down to adjustment two parts of spacing drift method of adjustment of breaker roll and roller spacing.Adjust earlier spacing drift 19 (19 pairs of spacing drifts prolong breaker roll service life, and the protection breaker roll is very important) before the start, determine roll gap according to the characteristics of oil plant and kind and technological requirement, generally speaking, soybean is broken, and to select spacing be about 2mm.Under the state of shutting down; adjust the spacing drift 19 of going up pair roller (going up) earlier to breaker roll 43; on; under spacing adjustment bolt 18; spacing drift 19 is risen and be separated from each other by adjusting spacing adjustment bolt 18 with bearing shell (annular imbrex 33); inserting the thick band iron of sufficient 2mm in the middle of two breaker rolls is to limit distance between roller; at this moment the spacing adjustment bolt 18 above adjusting; make and keep certain pressure between two rollers and close up (making roll gap pressure reach crushing effect and also stablizing roller both sides spacing; under normal circumstances; the breaker roll 43 in disintegrating machine left side is pre-fixed fixed roll; here be to adopt clamp nut 48; parallels 54 levels roller positioning tie bars 49; rounded stops 50; the fixed mechanism that clamp nut 51 is formed is fixed; the breaker roll 43 on right side is an action roller; compression spring 8 reaches bearing shell (annular imbrex 33) and can not produce telescopic moving; just spring 8 compressions when foreign matter enters machine; action roller is made a concession and is produced and moves; reach the effect of protection breaker roll 43); adjusting spacing drift 19 contacts with bearing shell (annular imbrex 33) downwards; again half-turn to circles of transferring after the contact more; transferring to can jiggering with hand; and with the band iron taking-up of putting into; make between two rollers and keep less clearance; two rollers can not produce and bump till the roller phenomenon during high-speed cruising, at this moment can be with on the spacing drift 19; under spacing adjustment bolt 18 fastening getting final product.
(2), disintegrating machine operation central roll gap is adjusted and two main motor current imbalance methods of adjustment
Disintegrating machine is in service in driving; as it is too small the material particle size after cracking to occur; can screw fine-tuning nut 10 (roller clearance adjusting nut); after making it adjust bolt 9 (roller pressure adjustment jackscrew) contact with roller pressure; every rotation roller pressure is adjusted bolt 9 one all roll spacings and is about 2.5mm; screwing (clockwise direction) roll spacing increases; inverse time porcupine roller spacing reduces; as two main motor current unevenness weighing apparatuses appears; can suitably adjust fine-tuning nut 10 (roller clearance adjusting nut); in the use according to technological requirement; transfer to qualified till, after the gap adjustment is suitably qualified, roller clearance adjusting nut 10 screwed out to adjust about the about 3mm of bolt 12 (roller pressure adjustment jackscrew) apart from roller pressure gets final product; here the big I of pressure different and output size adjustment according to oil plant; under the preceding topic that guarantees crushing effect, reduce roll gap pressure, when making foreign matter enter machine as far as possible; spring 8 compression action rollers are made a concession the protection breaker roll.
Also improve in others in the present technique: 1, adopt the circular bearing shell of rail mounted, the dismounting roller is convenient and strength-saving, and general dismounting does not once surpass one hour; 2, bearing block is provided with spring servo-actuated dust-break sheet, makes bearing chamber not advance dust, and bearing life is long, the equipment good seal; 3, both sides adopt cast iron curved baffle (tradition adopts wooden) not leak material, and are durable in use; 4, three-wheel is with the band transmission, and roller speed difference is accurate, changes the traditional vertical driving-belt into three-wheel with the band transmission, and little for solving v-belt contact angle, the situation that driving force is low adopts two methods: (1), increase driving-belt quantity, general 10-12 root; (2), adopt hydraulic pressure from motion tracking tension band device, reliable transmission, crushing effect is good, output is big; 5, driving motor and body need not be done the motor basis in addition on same frame, and easy for installation, hydraulic power source adopts the technology of energy-conservation pumping station system, and energy-saving run is reliable.
Present technique compare with prior art have simple in structure, it is flexible to regulate the breaker roll gap, fundamentally stops to produce roller grinding roller phenomenon in the disintegrating machine adjustment, vibrates little, noise is low, save the energy, easy to maintenance, fault rate is low, the output height, crushing effect is good, French beans do not occur, characteristics such as breaker roll long service life.
Four, description of drawings:
Fig. 1 is the front view of general structure of the present utility model.
Fig. 2 is the side view of general structure of the present utility model.
Fig. 3 is the general structure enlarged drawing of the fixing spacing adjusting device of breaker roll of the present utility model.
Among the figure: 1 feed hopper, 2 feeding adjustment doors and handles, 3 feeding gates, 4 concentration equipment regulating handles, 5 crusher shells, 6 frames (right side E shape support), 7 set bolts, 8 springs, 9 roller pressures are adjusted bolt (roller pressure adjustment jackscrew), 10 fine-tuning nuts (roller clearance adjusting nut), 11 gap adjustment screw rods, 12 bulkheads, 13 fine setting arm-ties, 14 tight roller stake bodies (or claiming tight roller support), 15 belt pulleys, 16 main frame supports, 17 bolts, 18 spacing adjustment bolts (comprise, following two spacing adjustment bolts), 19 spacing drifts (trapezoidal spacing drift), 20 annular imbrex, 21 frames (left side E shape support), 22 driving-belts, 23 motors, 24 taut band oil cylinder and piston rods, 25 electrical machine belt pulleys, 26 motor trapped orbits, 27 connecting axles, 28 crank connecting links, 29 sliding supports, 30 roll shafts, 31 removable middle baffle plate, 32 hydraulic power units, 33 annular imbrex, 34 FE Tilers, 35 fixed mechanisms are (by clamp nut 48, parallels 54, levels roller positioning tie bar 49, rounded stops 50, the fixed mechanism that clamp nut 51 is formed), 36 set bolts, 37 belt pulleys, 38 material feeding roller bearings, 39 feeding motors, 40 material feeding roller bearings, 41 feeding motor supports, 42 belt pulleys, 43 breaker rolls (going up) to breaker roll, 44 belt pulleys, 45 positioning sleeves, 46 breaker rolls (down to breaker roll), 47 feeding rollers, 48 clamp nuts, 49 levels roller positioning tie bars, 50 rounded stops, 51 clamp nuts, 52 bolts, 53 channel-section steel frames (on, lower horizontal E shape channel-section steel support), 54 parallels.
Five, the specific embodiment:
The specific embodiment of the present utility model, as shown in Figure 1, 2, 3, a kind of high-efficiency and energy-saving type hydraulic breaker, comprise rack section, blanking feeding part and breaker roll part, and hydraulic pressure taut band running part, wherein, rack section comprises main frame support 16, frame 6 and 21, channel-section steel frame 53 and crusher shell 5, removable middle baffle plate 31, bulkhead 12, as shown in Figure 1, 2, 3; The blanking feeding part comprises the feed hopper 1 that is arranged on the rack section upper end, feeding roller 47, and feeding adjustment doors and handle 2, feeding gate 3, material feeding roller bearing 38 and 40, concentration equipment regulating handle 4, feeding motor 39, as shown in Figure 1, 2; Breaker roll partly comprise by annular imbrex 33 and 20 be fixed on the channel-section steel frame 53 roll shaft 30 and on go up breaker roll 43 and down as shown in Figure 1, 2, 3 to breaker roll 46; Hydraulic pressure taut band running part comprises belt pulley 37,42,15,44 and the driving-belt between them 22, motor 23 and electrical machine belt pulley 25, sliding support 29, motor trapped orbit 26, crank connecting link 28, connecting axle 41, taut band oil cylinder and piston rod 24, hydraulic power unit 32, it is characterized in that: on the breaker roll part, breaker roll 43 is provided with the fixing spacing adjusting device of breaker roll with following to breaker roll 46 places, as shown in Figure 1, 2, 3.
The fixing spacing adjusting device of said breaker roll by be arranged on to, descend the breaker roll fixed mechanism 35 on the breaker roll in breaker roll 43 and 46 left sides, and be arranged on to, down to the breaker roll position-limit mechanism in the middle of breaker roll 43 and 46 and be arranged on to, down to the breaker roll guiding mechanism composition on breaker roll 43 and 46 right sides, as shown in Figure 1, 2, 3.
Said breaker roll fixed mechanism 35 is made up of clamp nut 48, parallels 54, levels roller positioning tie bar 49, rounded stops 50, clamp nut 51, this breaker roll fixed mechanism 35 be to last to, down the breaker roll in breaker roll 43 and 46 left sides is fixed, corresponding go up to, down to the breaker roll in breaker roll 43 and 46 left sides for fixing breaker roll (being called fixed roll or quiet roller), shown in Fig. 1,3.
Said breaker roll position-limit mechanism is right by being arranged on, down to the spacing drift 19 in the middle of the breaker roll, on the spacing drift 19, vertically disposed down spacing adjustment bolt 18 is formed, wherein, spacing drift 19 is designed to up big and down small trapezoidal, the breaker roll roller position-limit mechanism here (the spacing guiding mechanism in breaker roll gap) is arranged on the last right of disintegrating machine, down in the middle of the breaker roll and channel-section steel frame 53 (on, lower horizontal E shape channel-section steel support) position, mainly be that vertical up and down the adjustment reaches the adjustment of carrying out the breaker roll gap, and prevented that roller from bumping the roller phenomenon, solve the easy decortication of breaker roll (roll) and fallen the limit, the service life of roller is short, the problem of parts fragile (fragile as bearing) is as Fig. 1, shown in 3.
Said breaker roll guiding mechanism is by the tight roller stake body 14 that is arranged on the disintegrating machine front, the spring 8 that sets gradually on the tight roller stake body 14, gap adjustment screw rod 11, roller pressure is adjusted bolt 9, fine-tuning nut 10 is formed, wherein, tight roller stake body 14 is fixed on the frame 6 of right side of face breaker roll 43 and 46 positions before the disintegrating machine by set bolt 7, this breaker roll guiding mechanism is to last right, down the breaker roll 43 and 46 on breaker roll right side is finely tuned, mainly be to carry out horizontal adjusting to carry out the fine setting of the breaker roll on right side, and it is right to go up, breaker roll to the breaker roll right side is the breaker roll (perhaps being called action roller) that rotates down, as Fig. 1,2, shown in 3.
Claims (5)
1. high-efficiency and energy-saving type hydraulic breaker, comprise rack section, blanking feeding part and breaker roll part, and hydraulic pressure taut band running part, wherein, rack section comprises main frame support (16), frame (6,21), channel-section steel frame (53) and crusher shell (5), removable middle baffle plate (31), bulkhead (12); The blanking feeding part comprises the feed hopper (1) that is arranged on the rack section upper end, feeding roller (47), feeding adjustment doors and handle (2), feeding gate (3), material feeding roller bearing (38,40), concentration equipment regulating handle (4), feeding motor (39); Breaker roll partly comprise by annular imbrex (33,20) be fixed on the channel-section steel frame (53) roll shaft (30) and on go up to breaker roll (43) with time to breaker roll (46); Hydraulic pressure taut band running part comprises belt pulley (37,42,15,44) and the driving-belt between them (22), motor (23) and electrical machine belt pulley (25), sliding support (29), motor trapped orbit (26), crank connecting link (28), connecting axle (41), taut band oil cylinder and piston rod (24), hydraulic power unit (32) is characterized in that: on breaker roll part to breaker roll (43) with down breaker roll (46) is located to be provided with breaker roll and fix spacing adjusting device.
2. high-efficiency and energy-saving type hydraulic breaker as claimed in claim 1, it is characterized in that: the fixing spacing adjusting device of said breaker roll by be arranged on to, down to the breaker roll fixed mechanism (35) on the breaker roll in breaker roll (43,46) left side, and be arranged on to, down to the breaker roll position-limit mechanism in the middle of the breaker roll (43,46) be arranged on to, following breaker roll guiding mechanism composition to breaker roll (43,46) right side.
3. high-efficiency and energy-saving type hydraulic breaker as claimed in claim 1 or 2, it is characterized in that: said breaker roll fixed mechanism (35) is made up of clamp nut (48), parallels (54), levels roller positioning tie bar (49), rounded stops (50), clamp nut (51), this breaker roll fixed mechanism (35) be to last to, down the breaker roll in breaker roll (43) and (46) left side is fixed, corresponding go up to, down to the breaker roll of breaker roll for fixing in breaker roll (43,46) left side.
4. high-efficiency and energy-saving type hydraulic breaker as claimed in claim 1 or 2, it is characterized in that: said breaker roll position-limit mechanism is by being arranged on the middle spacing drift (19) of every pair of breaker roll, the upper and lower vertically disposed spacing adjustment bolt of spacing drift (19) (18) is formed, wherein, spacing drift (19) is designed to up big and down small trapezoidal.
5. high-efficiency and energy-saving type hydraulic breaker as claimed in claim 1 or 2, it is characterized in that: said breaker roll guiding mechanism is by the tight roller stake body (14) that is arranged on the disintegrating machine front, the spring (8) that sets gradually on the tight roller stake body (14), gap adjustment screw rod (11), roller pressure is adjusted bolt (9), fine-tuning nut (10) is formed, wherein, tight roller stake body (14) is fixed on the preceding right side of face breaker roll (43 of disintegrating machine by set bolt (7), 46) on the frame of position (6), this breaker roll guiding mechanism is to last right, down the breaker roll on breaker roll right side is finely tuned, and upward right, breaker roll to the breaker roll right side is the breaker roll that rotates down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200894557U CN201959827U (en) | 2011-03-30 | 2011-03-30 | High-efficient and energy-saving hydraulic crushing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200894557U CN201959827U (en) | 2011-03-30 | 2011-03-30 | High-efficient and energy-saving hydraulic crushing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201959827U true CN201959827U (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200894557U Expired - Lifetime CN201959827U (en) | 2011-03-30 | 2011-03-30 | High-efficient and energy-saving hydraulic crushing machine |
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| Country | Link |
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| CN (1) | CN201959827U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198411A (en) * | 2011-03-30 | 2011-09-28 | 刘立新 | High efficient energy saving hydraulic crusher |
| CN102824936A (en) * | 2012-09-24 | 2012-12-19 | 四川皇龙智能破碎技术股份有限公司 | Automatic compression roller gap regulation meshing type extruding and crushing machine |
| CN106732912A (en) * | 2016-11-17 | 2017-05-31 | 河南工业大学 | It is easy to adjust the flour mill of grinding charge material fineness |
| CN107716416A (en) * | 2017-11-08 | 2018-02-23 | 安徽省农业科学院农产品加工研究所 | A kind of kudzu-vine root powder processes complete mechanical system and method |
-
2011
- 2011-03-30 CN CN2011200894557U patent/CN201959827U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198411A (en) * | 2011-03-30 | 2011-09-28 | 刘立新 | High efficient energy saving hydraulic crusher |
| CN102198411B (en) * | 2011-03-30 | 2013-09-18 | 刘立新 | High efficient energy saving hydraulic crusher |
| CN102824936A (en) * | 2012-09-24 | 2012-12-19 | 四川皇龙智能破碎技术股份有限公司 | Automatic compression roller gap regulation meshing type extruding and crushing machine |
| CN106732912A (en) * | 2016-11-17 | 2017-05-31 | 河南工业大学 | It is easy to adjust the flour mill of grinding charge material fineness |
| CN107716416A (en) * | 2017-11-08 | 2018-02-23 | 安徽省农业科学院农产品加工研究所 | A kind of kudzu-vine root powder processes complete mechanical system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110907 Effective date of abandoning: 20130918 |
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| RGAV | Abandon patent right to avoid regrant |