CN101530822A - Scrap steel crusher - Google Patents
Scrap steel crusher Download PDFInfo
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- CN101530822A CN101530822A CN200910025933A CN200910025933A CN101530822A CN 101530822 A CN101530822 A CN 101530822A CN 200910025933 A CN200910025933 A CN 200910025933A CN 200910025933 A CN200910025933 A CN 200910025933A CN 101530822 A CN101530822 A CN 101530822A
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Abstract
The invention relates to a scrap steel crusher, which is used for the crushing of waste steel, abandoned cars, and household appliances. The scrap steel crusher comprises a feeding machine (6) with a hydraulic double roller, a main machine (1) of the crusher, a universal shaft (2), a connecting main shaft (4) and a motor (5), wherein the feeding machine (6) comprises a support (6-1), a chute (6-2), an upper roller lifting arm (6-3), a compaction oil cylinder (6-4), an upper pressure roller (6-5), a hydraulic motor (6-6), and a lower pressure roller (6-7), the main machine (1) of the crusher comprises a main shaft roll (1-1), an upper cover body (1-2), an upper box body (1-3), a lower box body (1-4), a feed opening (1-5), a lower screen (1-6), a lower chopping board (1-7), a tilting oil cylinder (1-8), an upper discharge door (1-9), an upper discharge door oil cylinder (1-10), and an inner lining board (1-11), the main shaft roll comprises a main shaft (1-1-4), a partition (1-1-8), a partition sleeve (1-1-5), a hammerhead pin shaft (1-1-9), an extrusion hammerhead (1-1-6) and an impact hammerhead (1-1-7); one end of the connecting main shaft (4) is connected with one end of the main shaft roll through the universal shaft (2), and the other end of the connecting main shaft is connected with the motor. The scrap steel crusher can treat abandoned cars, household appliances, extra-heavy scrap steel and large-sized elements.
Description
(1) technical field
The present invention relates to a kind of scrap steel crusher.Be mainly used in the fragmentation of scrap iron and steel, abandoned car, household electrical appliance.Belong to steel scrap treatment facility technical field.
(2) background technology
The steel scrap treatment facility mainly contains two kinds at present: the one, and packing briquetting equipment.Be mainly used to handle the frivolous material such as smear metal that thin plate, wire rod and mechanical processing process produce, with convenient transportation and raising heap specific density; The 2nd, cut off equipment.Be mainly used to handle heavy-duty waste steel and large-scale component, be convenient to into stove.More than two kinds of steel scrap treatment facilities all have the following disadvantages: the range of work is little, frivolous material and pure steel scraps such as iron filings that thin plate, wire rod and mechanical processing process produce can only be handled, but abandoned car, household electrical appliance and and large-scale light and thin type steel scrap and mix the type steel scrap can not be handled.
(3) summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, a kind of scrap steel crusher that can handle abandoned car, household electrical appliance and large-scale light and thin type steel scrap and mix the type steel scrap is provided.
The objective of the invention is to realize in the following manner: a kind of scrap steel crusher, comprise charger, crusher main engine, universal drive shaft, connection main shaft and motor with Hydraulic Double cylinder,
Described charger with Hydraulic Double cylinder places the front side of crusher main engine, when being used for feeding in raw material material is carried out precommpression and restriction feeding quantity.Comprise support, chute, last cylinder lift arm, compressed oil cylinder, last pressure roller, hydraulic motor and press down cylinder, described front side that is placed on crusher main engine, chute is oblique to be arranged on the support, the described front end of going up the cylinder lift arm is rotationally connected with the anterior side of support, middle piston rod with compressed oil cylinder is hinged, the cylinder tail of compressed oil cylinder and support lower hinge, fixedly connected with last pressure roller in the bottom, rear end of last cylinder lift arm, press down cylinder and be fixedly installed in the support rear side, place the described pressure roller below of going up, and place described chute bottom land rear, describedly go up pressure roller and press down cylinder by fluid motor-driven, both direction of rotation.
Described crusher main engine is a core of the present invention, comprise principal axis roller, upper cover body, upper box, lower box, blanking port, lower screen cloth, following chopping block, overturning oil cylinder, last discharge door, last discharge door oil cylinder and interior lining panel, described lower box charging aperture places the chute discharging opening rear side of the charger with Hydraulic Double cylinder, the principal axis roller vertical equity is installed in the described lower box, upper box rear portion and lower box are rotationally connected, the piston rod of described overturning oil cylinder and upper box side are hinged, the cylinder tail and the lower box mount pad of overturning oil cylinder are hinged, described upper cover body is fixedly connected on the upper box top, described upward discharge door vertically rotates and is arranged at the upper box internal upper part, the piston rod of last discharge door one end and last discharge door oil cylinder is hinged, the other end is freely placed, the cylinder tail of last discharge door oil cylinder and the side of upper box are hinged, lower screen cloth is arranged in the lower box, and place the described principal axis roller back lower place, described blanking port places the lower box bottom of described lower screen cloth below and rear side, following chopping block places on the described lower box internal face, and place the front lower place of described principal axis roller, be lining in the described interior lining panel on the lower box internal face
Described principal axis roller is the core component of crusher main engine, comprise main shaft, dividing plate, diaphragm housing ring, the tup bearing pin, extruding tup and strike tup, described dividing plate has some, some dividing plates are loaded on the main shaft along main axis length direction spacer sleeve, diaphragm housing ring is placed on the main shaft between adjacent two dividing plates, described tup bearing pin has four, be threaded onto the neighboring of some dividing plates along the main axis length direction, adjacent two tup bearing pins are 90 ° of layouts mutually, described extruding tup and strike tup have many, turning set is loaded on the tup bearing pin between adjacent two dividing plates, and the strike tup on the adjacent two tup bearing pins is arranged along the dislocation of hammer pin shaft length direction
Described connection main shaft one end links to each other with principal axis roller one end of crusher main engine by universal drive shaft, and the other end that connects main shaft links to each other with motor.This connection main shaft is used to carry the principal axis roller work of high-tension motor power drive crusher main engine, with having crossed overload protective function.
Further implementation of the present invention is: described connection main shaft comprises the power transmission shaft bearing, the bearing block base, power transmission shaft, bearing cover, load bearing and shaft coupling, described bearing block base is arranged at the crusher main engine side, the power transmission shaft bearing has two, about each part, upwards be fixedly connected on the bearing block base, the load bearing is embedded in the power transmission shaft bearing, the bearing cover lid places on the power transmission shaft bearing, about power transmission shaft is connected between the two power transmission shaft bearings, power transmission shaft one end links to each other with an end of described universal drive shaft by shaft coupling, and the other end of this universal drive shaft links to each other with an end of crusher main engine principal axis roller.
Further implementation of the present invention is: be provided with a damper in the bottom of described crusher main engine, described damper by the upper, middle and lower-ranking steel plate and be arranged at the upper strata steel plate and the middle level steel plate between and two layers of rubber cushion blocks between middle level steel plate and the lower floor's steel plate closely be composited, reduce vibration influence when being used for work, reduce noise simultaneously the basis.
Further implementation of the present invention is: at the side of described connection main shaft one machine of pulling pin is set, is used for principal axis roller upper ram wearing and tearing back dismounting tup and uses.The described machine of pulling pin comprises the frame of pulling pin, the oil cylinder of pulling pin, connect headstock and coupling head, the described frame of pulling pin places the side that connects main shaft, the cylinder body horizontal fixed of oil cylinder of pulling pin is connected on the frame of pulling pin, and the piston rod of the oil cylinder of pulling pin links to each other with coupling head by connecting headstock.
Central principle of the present invention is exactly a basic principle of utilizing hammer to impact, under the driving of high speed large-torque electrical machine, tup on the crusher axis roller impacts the broken scrap iron and steel for the treatment of that enters in the lower box cavity volume in turn, by the space that forms between liner plate and the tup, will treat that broken thing tears, pushes rubbing and become the broken thing meet the specification.
The present invention has the following advantages:
1, Hydraulic Double cylinder charger
Adopt the feed way of the chute of Hydraulic Double cylinder, make can appearance and size is bigger shell class and light metal member, send into the crusher main engine charging aperture after compressed being shaped to smoothly, what cooperate the crusher main engine tup pounds, cuts, tears the steel scrap material, enlarged the processing materials scope of disintegrating machine, the production efficiency that improves disintegrating machine has been played crucial effects.Simultaneously when electromotor overload, can close charge door and place restrictions on reinforcedly, play the effect of protection motor by elevating ram.
2, crusher main engine
Fuselage adopt the super-thick steel plate stiffened panel steel welding construction, can guarantee powerful excess load requirement when broken of machine, and directly " tenon " structure is adopted in the part of the force, has further improved the reliability of fuselage.Liner plate, tup adopt high-abrasive material, have improved service life; And tup employing activity mounting structure, can not be strayed in the disintegrating machine by broken thing in case run into, can get rid of and avoided, can open the discharge door of disintegrating machine simultaneously, it is got rid of by the last discharge door in the upper box, thereby reduction is to the destructiveness of machine.
3, damper
Double-decker compounded rubber damper, lower floor is vibration isolation, the upper strata is a vibration damping.Because the active force between tup and steel scrap makes the main frame body produce sharp pounding, damper can play the effect of damping, noise reduction when disintegrating machine is worked.Vibration isolation can be avoided vibrations conduction ground, to the damage of ground building and other instrument and meter.Damping can minimizing equipment vibrations, avoid in strong vibrations damage to parts.Noise reduction can reduce the influence to surrounding environment of when vibration.
4, connect main shaft
Connecting main shaft is the machine security center of disintegrating machine.When crusher axis roller generation axis and electric prospection is malfunctioning, motor is also in rotation the time, and connecting main shaft can be damaged, thereby protection main motor and crusher axis roller are not destroyed.When disintegrating machine is worked, big axial vibration taking place, connect main shaft and can stop that axial force is transmitted to the damage of main motor axle to main motor, motor bearings.
Owing to adopted abovementioned technology, so scrap steel crusher of the present invention can be handled abandoned car, household electrical appliance and extra-heavy duty type steel scrap and large-scale component.
(4) description of drawings
Fig. 1 is the general structure schematic diagram of scrap steel crusher of the present invention.
Fig. 2 is the left side view of Fig. 1.
Fig. 3 is the Facad structure schematic diagram of the charger with Hydraulic Double cylinder of scrap steel crusher of the present invention.
Fig. 4 is the Facad structure schematic diagram of the crusher main engine of scrap steel crusher of the present invention.
Fig. 5 is the vertical cut-away view of Fig. 4.
Fig. 6 is the principal axis roller structural representation of scrap steel crusher of the present invention.
Fig. 7 removes side view behind bearing block and the main shaft for Fig. 6.
Fig. 8 is a Mounting Location of Dampener schematic diagram of the present invention.
Fig. 9 is a damper structural representation of the present invention.
Figure 10 is a connection main axle structure schematic diagram of the present invention.
Figure 11 is the vertical view of Figure 10.
Figure 12 is the machine structural representation of pulling pin of the present invention.
Among the figure: crusher main engine 1, universal drive shaft 2, the machine 3 of pulling pin, connection main shaft 4, motor 5, charger 6, damper 7 with Hydraulic Double cylinder;
Principal axis roller 1-1, upper cover body 1-2, upper box 1-3, lower box 1-4, blanking port 1-5, lower screen cloth 1-6, time chopping block 1-7, overturning oil cylinder 1-8, last discharge door 1-9, last discharge door oil cylinder 1-10, interior lining panel 1-11;
Main bearing seat 1-1-1, bearing cover 1-1-2, base bearing 1-1-3, main shaft 1-1-4, diaphragm housing ring 1-1-5, extruding tup 1-1-6, strike tup 1-1-7, dividing plate 1-1-8, tup bearing pin 1-1-9;
The frame of pulling pin 3-1, the oil cylinder 3-2 that pulls pin, connection headstock 3-3, coupling head 3-4;
Power transmission shaft bearing 4-1, bearing block base 4-2, power transmission shaft 4-3, bearing cover 4-4, load bearing 4-5, shaft coupling 4-6;
Support 6-1, chute 6-2, go up cylinder lift arm 6-3, compressed oil cylinder 6-4, go up pressure roller 6-5, hydraulic motor 6-6, press down cylinder 6-7;
Steel plate 7-1, rubber cushion blocks 7-2.
(5) specific embodiment
Referring to Fig. 1～2, the scrap steel crusher that the present invention relates to mainly is made up of the charger 6 with Hydraulic Double cylinder, crusher main engine 1, damper 7, universal drive shaft 2, connection main shaft 4, motor 5 and the machine 3 of pulling pin.
Referring to Fig. 3, described charger 6 with Hydraulic Double cylinder places the front side of crusher main engine 1, and press down cylinder 6-7 by support 6-1, chute 6-2, last cylinder lift arm 6-3, compressed oil cylinder 6-4, last pressure roller 6-5, hydraulic motor 6-6 and form.Described support 6-1 places the front side of crusher main engine 1, chute 6-2 is oblique to be arranged on the support 6-1, the described front end of going up cylinder lift arm 6-3 is rotationally connected with the anterior side of support 6-1, middle piston rod with compressed oil cylinder 6-4 is hinged, the cylinder tail of compressed oil cylinder 6-4 and support 6-1 lower hinge, fixedly connected with last pressure roller 6-5 in the bottom, rear end of last cylinder lift arm 6-3, press down cylinder 6-7 and be fixedly installed in support 6-1 rear side, place the described pressure roller 6-5 of going up below, and place described chute 6-2 bottom land rear, described go up pressure roller 6-5 and press down cylinder 6-7 drive both direction of rotation by hydraulic motor 6-6.
Referring to Fig. 4～5, described crusher main engine 1 mainly is made up of principal axis roller 1-1, upper cover body 1-2, upper box 1-3, lower box 1-4, blanking port 1-5, lower screen cloth 1-6, time chopping block 1-7, overturning oil cylinder 1-8, last discharge door 1-9, last discharge door oil cylinder 1-10 and interior lining panel 1-11.Described lower box 1-4 charging aperture places the chute 6-2 discharging opening rear side of the charger 6 with Hydraulic Double cylinder, principal axis roller 1-1 vertical equity is installed in the described lower box 1-4, upper box 1-3 rear portion and lower box 1-4 are rotationally connected, the piston rod of described overturning oil cylinder 1-8 and upper box 1-3 side are hinged, cylinder tail and the lower box 1-4 mount pad of overturning oil cylinder 1-8 are hinged, described upper cover body 1-2 is fixedly connected on upper box 1-3 top, the described discharge door 1-9 of going up vertically rotates and is arranged at upper box 1-3 internal upper part, the piston rod of last discharge door 1-9 one end and last discharge door oil cylinder 1-10 is hinged, the other end is freely placed, the cylinder tail of last discharge door oil cylinder 1-10 and the side of upper box 1-3 are hinged, lower screen cloth 1-6 is arranged in the lower box 1-4, and place the described principal axis roller 1-1 back lower place, described blanking port 1-5 places the lower box 1-4 bottom of described lower screen cloth 1-6 below and rear side, following chopping block 1-7 places on the described lower box 1-4 internal face, and place the front lower place of described principal axis roller 1-1, be lining in the described interior lining panel 1-11 on the lower box 1-4 internal face.
Referring to Fig. 6～7, described principal axis roller mainly is made up of main bearing seat 1-1-1, bearing cover 1-1-2, base bearing 1-1-3, main shaft 1-1-4, dividing plate 1-1-8, diaphragm housing ring 1-1-5, tup bearing pin 1-1-9, extruding tup 1-1-6 and strike tup 1-1-7.Described main bearing seat 1-1-1 has two, about each one, be installed on the two ends, the left and right sides of main shaft 1-1-4, base bearing 1-1-3 is installed in the main bearing seat 1-1-1, bearing cover 1-1-2 lid places on the main bearing seat 1-1-1.Described dividing plate 1-1-8 has some, some dividing plate 1-1-8 are loaded on the main shaft 1-1-4 along main shaft 1-1-4 length direction spacer sleeve, diaphragm housing ring 1-1-5 is placed on the main shaft 1-1-4 between the adjacent two dividing plate 1-1-8, described tup bearing pin 1-1-9 has four, be threaded onto the neighboring of some dividing plate 1-1-8 along main shaft 1-1-4 length direction, adjacent two tup bearing pin 1-1-9 are 90 ° of layouts mutually.Described extruding tup 1-1-6 and hit tup 1-1-7 and have many, turning set are loaded on the tup bearing pin 1-1-9 between adjacent two dividing plate 1-1-8, and the strike tup 1-1-7 on the adjacent two tup bearing pin 1-1-9 arranges along the dislocation of tup bearing pin 1-1-9 length direction.
Referring to Fig. 8, described damper 7 is arranged at the bottom of crusher main engine 1 downwards, by upper, middle and lower-ranking steel plate 7-1 and be arranged at the upper strata steel plate and middle level steel plate and middle level steel plate and lower floor's steel plate between two layers of rubber cushion blocks 7-2 closely be composited, as Fig. 9.
Referring to Fig. 2,10 and 11, described connection main shaft 4 one ends link to each other with principal axis roller 1-1 one end of crusher main engine 1 by universal drive shaft 2, and the other end links to each other with motor 5.Described connection main shaft 4 mainly is made up of power transmission shaft bearing 4-1, bearing block base 4-2, power transmission shaft 4-3, bearing cover 4-4, load bearing 4-5 and shaft coupling 4-6.Described bearing block base 4-2 is arranged at crusher main engine 1 side, power transmission shaft bearing 4-1 has two, about each part, upwards be fixedly connected on the bearing block base 4-2, load bearing 4-5 is embedded in the power transmission shaft bearing 4-1, bearing cover 4-4 lid places on the power transmission shaft bearing 4-1, about power transmission shaft 4-3 is connected between the two power transmission shaft bearing 4-1, power transmission shaft 4-3 one end links to each other with an end of described universal drive shaft 2 by shaft coupling 4-6, and the other end of this universal drive shaft 2 links to each other with the end of crusher main engine principal axis roller 1-1.
Referring to Figure 12, the described machine 3 of pulling pin places the side that connects main shaft 4, is used for principal axis roller upper ram wearing and tearing back dismounting tup and uses.It is made up of the frame 3-1 that pulls pin, the oil cylinder 3-2 that pulls pin, connection headstock 3-3 and coupling head 3-4.The described frame 3-1 that pulls pin places the side that connects main shaft 4, and the cylinder body horizontal fixed of the oil cylinder 3-2 that pulls pin is connected on the frame 3-1 that pulls pin, and the piston rod of the oil cylinder 3-2 that pulls pin links to each other with coupling head 3-4 by connecting headstock 3-3.
Claims (5)
1, a kind of scrap steel crusher is characterized in that: described disintegrating machine comprises charger (6), crusher main engine (1), universal drive shaft (2), connection main shaft (4) and the motor (5) with Hydraulic Double cylinder,
Described charger (6) with Hydraulic Double cylinder places the front side of crusher main engine (1), comprise support (6-1), chute (6-2), last cylinder lift arm (6-3), compressed oil cylinder (6-4), last pressure roller (6-5), hydraulic motor (6-6) and press down cylinder (6-7), described support (6-1) places the front side of crusher main engine (1), chute (6-2) is oblique to be arranged on the support (6-1), the described front end of going up cylinder lift arm (6-3) is rotationally connected with the anterior side of support (6-1), middle piston rod with compressed oil cylinder (6-4) is hinged, the cylinder tail of compressed oil cylinder (6-4) and support (6-1) lower hinge, fixedly connected with last pressure roller (6-5) in the bottom, rear end of last cylinder lift arm (6-3), press down cylinder (6-7) and be fixedly installed in support (6-1) rear side, place described pressure roller (6-5) below of going up, and place described chute (6-2) bottom land rear, described go up pressure roller (6-5) and press down cylinder (6-7) drive by hydraulic motor (6-6), both direction of rotation
Described crusher main engine (1) comprises principal axis roller (1-1), upper cover body (1-2), upper box (1-3), lower box (1-4), blanking port (1-5), lower screen cloth (1-6), following chopping block (1-7), overturning oil cylinder (1-8), last discharge door (1-9), last discharge door oil cylinder (1-10) and interior lining panel (1-11), described lower box (1-4) charging aperture places chute (6-2) the discharging opening rear side of the charger (6) with Hydraulic Double cylinder, principal axis roller (1-1) vertical equity is installed in the described lower box (1-4), upper box (1-3) rear portion and lower box (1-4) are rotationally connected, the piston rod of described overturning oil cylinder (1-8) and upper box (1-3) side are hinged, the cylinder tail of overturning oil cylinder (1-8) and lower box (1-4) mount pad are hinged, described upper cover body (1-2) is fixedly connected on upper box (1-3) top, described upward discharge door (1-9) vertically rotates and is arranged at upper box (1-3) internal upper part, the piston rod of last discharge door (1-9) end and last discharge door oil cylinder (1-10) is hinged, the other end is freely placed, the side of the cylinder tail of last discharge door oil cylinder (1-10) and upper box (1-3) is hinged, lower screen cloth (1-6) is arranged in the lower box (1-4), and place described principal axis roller (1-1) back lower place, described blanking port (1-5) places lower box (1-4) bottom of described lower screen cloth (1-6) below and rear side, following chopping block (1-7) places on described lower box (1-4) internal face, and place the front lower place of described principal axis roller (1-1), be lining in the described interior lining panel (1-11) on lower box (1-4) internal face, described principal axis roller comprises main shaft (1-1-4), dividing plate (1-1-8), diaphragm housing ring (1-1-5), tup bearing pin (1-1-9), extruding tup (1-1-6) and strike tup (1-1-7), described dividing plate (1-1-8) has some, some dividing plates (1-1-8) are loaded on the main shaft (1-1-4) along main axis length direction spacer sleeve, diaphragm housing ring (1-1-5) is placed on the main shaft (1-1-4) between adjacent two dividing plates (1-1-8), described tup bearing pin (1-1-9) has four, be threaded onto the neighboring of some dividing plates (1-1-8) along main shaft (1-1-4) length direction, adjacent two tup bearing pins (1-1-9) are 90 ° of layouts mutually, described extruding tup (1-1-6) and strike tup (1-1-7) have many, turning set is loaded on the tup bearing pin (1-1-9) between adjacent two dividing plates (1-1-8), and the strike tup (1-1-7) on the adjacent two tup bearing pins (1-1-9) is arranged along the dislocation of tup bearing pin (1-1-9) length direction
Described connection main shaft (4) one ends link to each other with principal axis roller (1-1) end of crusher main engine (1) by universal drive shaft (2), and the other end links to each other with motor (5).
2, a kind of scrap steel crusher according to claim 1, it is characterized in that: described connection main shaft (4) comprises power transmission shaft bearing (4-1), bearing block base (4-2), power transmission shaft (4-3), bearing cover (4-4), load bearing (4-5) and shaft coupling (4-6), described bearing block base (4-2) is arranged at crusher main engine (1) side, power transmission shaft bearing (4-1) has two, about each part, upwards be fixedly connected on the bearing block base (4-2), load bearing (4-5) is embedded in the power transmission shaft bearing (4-1), bearing cover (4-4) lid places on the power transmission shaft bearing (4-1), about power transmission shaft (4-3) is connected between the two power transmission shaft bearings (4-1), power transmission shaft (4-3) end links to each other with an end of described universal drive shaft (2) by shaft coupling (4-6), and the other end of this universal drive shaft (2) links to each other with an end of crusher main engine principal axis roller (1-1).
3, a kind of scrap steel crusher according to claim 1 and 2, it is characterized in that: be provided with damper (7) in the bottom of described crusher main engine (1), described damper (7) by upper, middle and lower-ranking steel plate (7-1) and be arranged at the upper strata steel plate and the middle level steel plate between and two layers of rubber cushion blocks (7-2) between middle level steel plate and the lower floor's steel plate closely be composited.
4, a kind of scrap steel crusher according to claim 1 and 2, it is characterized in that: be provided with the machine (3) of pulling pin at the side of described connection main shaft (4), the described machine of pulling pin (3) comprises the frame of pulling pin (3-1), the oil cylinder of pulling pin (3-2), connects headstock (3-3) and coupling head (3-4), the described frame of pulling pin (3-1) places the side that connects main shaft (4), the cylinder body horizontal fixed of oil cylinder (3-2) of pulling pin is connected on the frame of pulling pin (3-1), and the piston rod of the oil cylinder of pulling pin (3-2) links to each other with coupling head (3-4) by connecting headstock (3-3).
5, a kind of scrap steel crusher according to claim 3, it is characterized in that: be provided with the machine (3) of pulling pin at the side of described connection main shaft (4), the described machine of pulling pin (3) comprises the frame of pulling pin (3-1), the oil cylinder of pulling pin (3-2), connects headstock (3-3) and coupling head (3-4), the described frame of pulling pin (3-1) places the side that connects main shaft (4), the cylinder body horizontal fixed of oil cylinder (3-2) of pulling pin is connected on the frame of pulling pin (3-1), and the piston rod of the oil cylinder of pulling pin (3-2) links to each other with coupling head (3-4) by connecting headstock (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910025933 CN101530822B (en) | 2009-03-13 | 2009-03-13 | Scrap steel crusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910025933 CN101530822B (en) | 2009-03-13 | 2009-03-13 | Scrap steel crusher |
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| CN101530822A true CN101530822A (en) | 2009-09-16 |
| CN101530822B CN101530822B (en) | 2011-03-23 |
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| CN 200910025933 Expired - Fee Related CN101530822B (en) | 2009-03-13 | 2009-03-13 | Scrap steel crusher |
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| CN103331192A (en) * | 2013-07-08 | 2013-10-02 | 南京航空航天大学 | Crusher main shaft roller provided with layering separating plates |
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