CN204365392U - Single cylinder gyratory crusher - Google Patents

Single cylinder gyratory crusher Download PDF

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Publication number
CN204365392U
CN204365392U CN201420868983.6U CN201420868983U CN204365392U CN 204365392 U CN204365392 U CN 204365392U CN 201420868983 U CN201420868983 U CN 201420868983U CN 204365392 U CN204365392 U CN 204365392U
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China
Prior art keywords
eccentric
main shaft
dust
bearing
mantle
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CN201420868983.6U
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Chinese (zh)
Inventor
陈利华
赵孟军
李国强
陈炳敏
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Zhejiang mining heavy industry Co.,Ltd.
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Zhejiang Zhekuang Heavy Industry Co Ltd
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Abstract

The utility model relates to mining equiment field, particularly relates to a kind of single cylinder gyratory crusher.Single cylinder gyratory crusher, comprises frame, and is arranged on transmission mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly in frame; Described eccentric stiffener is connected with transmission mechanism transmission, and hydraulicefficiency elevation structure is in below mantle main shaft group, is connected between hydraulicefficiency elevation structure with mantle main shaft group by bearing assembly; This single cylinder gyratory crusher has stable, durable and that crushing effect is good advantage.

Description

Single cylinder gyratory crusher
Technical field
The utility model relates to mining equiment field, particularly relates to a kind of single cylinder gyratory crusher.
Background technology
Gyratory crusher is a kind of mining machinery for broken building stones, and operation principle drives mantle main shaft group swing campaign by eccentric stiffener, and the cone of determining in mantle main shaft group and frame cooperatively interacts broken building stones.But, existing gyratory crusher has the weak point of following four aspects: 1, and the eccentric bushing of eccentric stiffener, by the shape constraining of its outer side surface, causes it not enough by the stability after bearing location and installation, particularly the axis of eccentric bushing is installed and is easy to skew, affects the normal use of equipment; 2, eccentric bushing, by the shape constraining of its interior sidewall surface, makes eccentric bush can only be fixed on eccentric bushing inside, eccentric bush and eccentric bushing coaxial rotation, and the wearing and tearing thus between eccentric bush and mantle main shaft group are comparatively large, reduce the service life of equipment; 3, the mantle liner plate bonding strength of mantle main shaft group is inadequate, and mantle liner plate easily loosens, and there is potential safety hazard; 4, the lower end location and installation of mantle main shaft group is inner at eccentric stiffener, and mantle main shaft group upper end does not position; Topple over to prevent mantle main shaft group, main shaft lower semisection is needed all to be positioned at eccentric stiffener inside, therefore the eccentric stiffener size under this structure is larger, make equipment complicated, heavy, and mantle main shaft group swing amplitude is unstable, cause broken rear building stones granular size to differ, crushing effect is not good.
Therefore, a gyratory crusher that can solve the problem is badly in need of.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of single cylinder gyratory crusher, and this single cylinder gyratory crusher has stable, durable and that crushing effect is good advantage.
In order to realize above-mentioned object, the utility model have employed following technical scheme:
Single cylinder gyratory crusher, comprises frame, and is arranged on transmission mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly in frame; Described eccentric stiffener is connected with transmission mechanism transmission, and hydraulicefficiency elevation structure is in below mantle main shaft group, is connected between hydraulicefficiency elevation structure with mantle main shaft group by bearing assembly;
Described eccentric stiffener comprises bearing block, and is arranged on the eccentric bushing in bearing block, and is arranged on the eccentric bush in eccentric bushing; Bearing block inner top side is provided with location bearing, and bearing block inside lower end is provided with lower location bearing, is also provided with bearing spacer ring between upper location bearing and lower location bearing; Described eccentric bushing is is integrally connected and composed by bottom the positive heart, in the middle part of bias and eccentric top from bottom to up successively, the diameter of eccentric top outer wall, and the diameter of positive heart bottom outside wall is all less than the diameter of eccentric middle part outer side surface; Positive heart bottom inside wall is provided with step surface, the positive heart bottom inside through hole above step surface and eccentric inside middle portion through hole and eccentric inside top through hole measure-alike and coaxially arranging, and the interior side through hole above step surface forms bushing mounting holes; Bottom the positive heart of described eccentric bushing, location and installation is in lower location bearing, eccentric top location and installation is in upper location bearing, eccentric middle part location and installation is in bearing spacer ring, and eccentric bush is arranged in the bushing mounting holes of eccentric bushing, and the lower surface of eccentric bush is erected on step surface;
Described mantle main shaft group comprises main shaft, and the movable cone be set in outside main shaft, and coning sleeve is located at the mantle liner plate outside movable cone, closely offset between the lower end inside face of mantle liner plate and the lower end outside face of movable cone, the mantle groove of filling epoxy resin is configured between the upper end medial surface of mantle liner plate and the upper end lateral surface of movable cone, main shaft above movable cone has been threaded locking nut, locking nut axial location mantle liner plate;
Described frame upper end is provided with the main shaft footstock for locating mantle main shaft group, and main shaft upper end location and installation is in main shaft footstock, and main shaft lower end location and installation is in eccentric bush.
As preferably, the lower end of movable cone is provided with dustproof groove, and the dust-proof draw-in groove communicated with it is established in the lower end of dustproof groove, and the movable cone of dust-proof draw-in groove lower end is also provided with dust ring baffle ring; Be provided with main shaft dust preventing component between mantle main shaft group and eccentric stiffener, main shaft dust preventing component comprises the dust proof tube be fixed on bearing block, and is set in the dust ring in outside of dust proof tube; The upper end of dust proof tube is in the dustproof groove of movable cone, and dust ring is positioned in the dust-proof draw-in groove of movable cone by dust ring baffle ring.Under this structure, as mantle main shaft group moves axially, the inside of dust ring also can move axially along the outer side surface of dust proof tube; In the process, dust ring the inner offsets with dust proof tube all the time, and outer end is located by connecting with movable cone all the time, and dust cannot enter in eccentric stiffener in the process, ensures its dust-proof effect.
As preferably, dust ring is the torus be made up of wear resistant nylon, and the ring body section of dust ring radially tilts in direction; When mantle main shaft group moves axially relative to eccentric stiffener, dust ring moves together along with mantle main shaft group, and dust ring ring body radially direction tilts to be convenient to movable cone to drive it to move axially.
As preferably, the outer side surface of described frame is provided with fuel feed hole, frame lower end is provided with oil return pipe, and bearing block and dust proof tube all offer the profit oil passage communicated successively, dust proof tube also offers the first oil outlet and the second oil outlet that communicate with the profit oil passage of its inside; Described fuel feed hole is communicated with the oily passage of profit by oil pipe, and the first oil outlet and the second oil outlet are in above oil return pipe, and the first oil outlet is towards in eccentric bushing, and the second oil outlet is towards between eccentric bushing and bearing block.
As preferably, described dust proof tube upper end open place is provided with gear outermost layer of skin circle, and gear outermost layer of skin circle is between dust proof tube and movable cone, and the first oil outlet is in below gear outermost layer of skin circle.
As preferably, between locking nut and mantle liner plate, be provided with cut ring; During dismounting, can cut ring be cut off, thus be convenient to back out locking nut, be convenient to dismounting mantle liner plate.
As preferably, the upper end of described eccentric bushing is provided with the top bearing cover for locating upper location bearing, top bearing cover is also provided with the eccentricity balance-weight block for stable eccentric bushing.
As preferably, the lower surface of bearing block is provided with the end ring for locating lower location bearing.
The utility model adopts technique scheme, this single cylinder gyratory crusher has some advantage following: 1, eccentric bushing is is integrally connected and composed by bottom the positive heart, in the middle part of bias and eccentric top from bottom to up successively, and eccentric bushing is arranged in bearing block by upper location bearing and lower location bearing; The circumference of these upper and lower both sides of structure Absorbable organic halogens eccentric bushing is stressed, also can axial restraint eccentric bushing.2, eccentric bush is arranged in bushing mounting holes, and eccentric bush lower end frame is located on step surface, thus eccentric bush is connected with the Contact of eccentric bushing, non-rigid connection; In use eccentric bush only can produce deflection and can not with eccentric bushing coaxial rotation, reduce the wearing and tearing between eccentric bush and mantle main shaft group, extend the service life of equipment.3, mantle liner plate with adopt between movable cone that tapering is sheathed, epoxy resin pastes and locates three kinds of connected modes with locking nut and be connected, thus limit mantle liner plate by axial and circumferential respectively, mantle liner plate is connected firmly, good stability.4, the upper and lower two ends of main shaft are all located, and eccentric stiffener only needs drive shaft, and need not prevent mantle main shaft group from toppling over, the eccentric stiffener size thus under this structure can reduce greatly, simplified apparatus structure; And when using, main shaft and on movable cone, centered by the main shaft top of mantle liner plate all in main shaft footstock, be that track carries out swing rotation with eccentric stiffener, therefore mantle main shaft group swing amplitude stabilization, is convenient to the granular size of building stones after controlled fragmentation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A portion enlarged drawing of Fig. 1.
Fig. 3 is the schematic cross-section of eccentric bushing.
Fig. 4 is the structural representation of mantle main shaft group.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail.
Single cylinder gyratory crusher as shown in Fig. 1 ~ Fig. 4, comprises frame 2, and is arranged on transmission mechanism 6, eccentric stiffener 5, hydraulicefficiency elevation structure 7, mantle main shaft group 3 and the bearing assembly 4 in frame 2.Described eccentric stiffener 5 is connected with transmission mechanism 6 transmission, and the lower end location and installation of mantle main shaft group 3 is in eccentric stiffener 5, and hydraulicefficiency elevation structure 7 is in below mantle main shaft group 3, is connected between hydraulicefficiency elevation structure 7 with mantle main shaft group 3 by bearing assembly 4.
Described eccentric stiffener 5 comprises bearing block 51, eccentric bushing 52 and eccentric bush 53, bearing block 51 inner top side is provided with location bearing 54, the top of upper location bearing 54 is provided with top bearing cover 541 and positions, top bearing cover 541 is fixed on the upper end of eccentric bushing 52, is also provided with the eccentricity balance-weight block 59 for stable eccentric bushing 52 above top bearing cover 541; Bearing block 51 inside lower end is provided with lower location bearing 55, and the below of lower location bearing 55 is provided with end ring 551 and positions, and end ring 551 is fixed on the lower surface of bearing block 51; Bearing block 51 interior sidewall surface between upper location bearing 54 and lower location bearing 55 is provided with bearing spacer ring 56, upper location bearing 54 and lower location bearing 55 location is separated by bearing spacer ring 56.
Described eccentric bushing 52 by upper location bearing 54 and lower location bearing 55 location and installation in bearing block 51, specifically: eccentric bushing 52 from bottom to up successively by bottom the positive heart 521, eccentric middle part 522 and eccentric top 523 integrally connect and compose, bottom the positive heart, 521 are in lower location bearing 55, eccentric top 523 is in location bearing 54, and eccentric middle part 522 is in bearing spacer ring 56.The eccentric middle part 522 of described eccentric bushing 52 and the eccentric top 523 column annular all in width gradual change, the diameter of eccentric middle part 522 outer side surfaces is greater than the diameter of eccentric top 523 outer side surface; Bottom the positive heart of eccentric bushing 52,521 in annular, bottom the positive heart, the diameter of 521 outer side surfaces is less than the diameter of the outer side surface at eccentric middle part 522, bottom the positive heart, the interior sidewall surface of 521 is provided with step surface 521a, side through hole and the eccentric middle part interior side through hole of 522 and the interior side through hole at eccentric top 523 measure-alike and coaxially arranging in 521 bottom the positive heart above step surface 521a, and the interior side through hole above step surface 521a is configured for the bushing mounting holes 58 of setting-up eccentricity lining 53.Described eccentric bush 53 is arranged in bushing mounting holes 58, and the lower surface of eccentric bush is erected on step surface, and eccentric bush 53 is cylinder ring body, and main shaft lower end is positioned in eccentric bush by bearing.The bottom of described eccentric bushing 52 is fixed with eccentric bushing cone tooth 57, eccentric bushing cone tooth 57 is bored tooth with the transmission on transmission mechanism and is meshed; During equipment work, eccentric bushing 52 is driven by described transmission mechanism 6 by eccentric bushing cone tooth 57, and eccentric bushing 52 rotates and drives eccentric bush 53 and the mantle main shaft group 3 of its inside, and finally makes mantle main shaft group 3 do swing campaign.
Described mantle main shaft group 3 comprises main shaft 31, movable cone 32 and mantle liner plate 33, and main shaft 31 lower end is arranged in eccentric bush 53 by self-aligning roller bearing 311.The mid diameter of described main shaft 31 is greater than its two ends diameter, the taper type that movable cone 32 is large in the little lower end diameter of upper end diameter, and the axle center place of movable cone 32 is provided with spindle hole, and movable cone 32 is set in the outside in the middle part of main shaft 31.The lower surface of movable cone 32 is provided with dustproof groove 321 along the spindle hole in the middle part of it, and the dust-proof draw-in groove 322 communicated with it is established in the lower end of dustproof groove 321, and the movable cone 32 of dust-proof draw-in groove 322 lower end is also provided with dust ring baffle ring 323.Main shaft dust preventing component is provided with between described movable cone 32 and eccentric stiffener 5, main shaft dust preventing component comprises lower end and is fixed on dust proof tube 34 on eccentric stiffener 5, and the dust ring 35 be set in outside dust proof tube 34, wherein dust ring 35 is the torus be made up of wear resistant nylon, and toric ring body section radially direction tilts.During installation, the upper end of dust proof tube 34 is in dustproof groove 321, and dust ring 35 is in dust-proof draw-in groove 322, and dust ring 35 can be positioned in dust-proof draw-in groove 322 by dust ring baffle ring 323.Cross in iron process at gyratory crusher, mantle main shaft group moves axially, and the inside of dust ring moves axially along the outer side surface of dust proof tube; In the process, dust ring the inner offsets with dust proof tube all the time, and outer end is located by connecting with movable cone all the time, and dust cannot enter in eccentric stiffener in the process.Described dust proof tube 34 upper end open place is also provided with gear outermost layer of skin circle 36, gear outermost layer of skin circle 36 is between dust proof tube 34 upper end and movable cone 32, gear outermost layer of skin circle is dished out from the upper end open of dust proof tube for preventing the lubricating oil in eccentric stiffener, also has certain dust-proof effect simultaneously.
Mantle liner plate 33 is set in the outside of movable cone 32, closely offset between the lower end inside face of mantle liner plate 33 and the lower end outside face of movable cone 32, the mantle groove 37 of filling epoxy resin is configured between the upper end medial surface of mantle liner plate 33 and the upper end lateral surface of movable cone 32, main shaft above movable cone 32 has also been threaded locking nut 38, is provided with cut ring 39 between the upper surface of locking nut 38 and mantle liner plate 33; During installation, taper fit between mantle liner plate 33 and movable cone 32, restriction mantle liner plate 33 down slides; Filling epoxy resin in mantle groove 37 between mantle liner plate 33 and movable cone 32, the slip in restriction mantle liner plate 33 circumference; Locking nut 38 pushes down the upper surface of mantle liner plate 33 by cut ring 39, and restriction mantle liner plate 33 up slides; Above-mentioned three kinds of connections are adopted to make to be connected firmly between mantle liner plate 33 and movable cone 32, relative sliding can not be there is, and cut ring 39 can be cut off when mantle liner plate 33 changed by needs, back out locking nut 38, knocking mantle liner plate 33 makes it loosening with movable cone 32, takes off from main shaft 31 upper end.
Described frame 2 upper end is provided with the main shaft footstock 21 for locating mantle main shaft group 3, and main shaft 31 upper end is by oscillating bearing location and installation in main shaft footstock 21, and self-aligning roller bearing 311 location and installation is passed through in eccentric bush 53 in main shaft 31 lower end; Because the upper and lower two ends of main shaft are all located, eccentric stiffener only needs drive shaft, and need not prevent mantle main shaft group from toppling over, the eccentric stiffener size thus under this structure can reduce greatly, simplified apparatus structure; And when using, main shaft and on movable cone, centered by the main shaft top of mantle liner plate all in main shaft footstock, be that track carries out swing rotation with eccentric stiffener, therefore mantle main shaft group swing amplitude stabilization, is convenient to the granular size of building stones after controlled fragmentation.
The outer side surface of described frame is provided with fuel feed hole 82, and frame lower end is provided with oil return pipe 214; Bearing block 51 in eccentric stiffener 5 and the dust proof tube 34 in main shaft dust preventing component are equipped with the profit oil passage 83 communicated successively, and fuel feed hole 82 is communicated with the oily passage 83 of profit by oil pipe.Dust proof tube 34 is provided with the first oil outlet 84 and the second oil outlet 85 communicated with the profit oil passage 83 of its inside, first oil outlet 84 and the second oil outlet 85 are in the top of oil return pipe 214, first oil outlet 84 is opened in the dust proof tube interior sidewall surface below gear outermost layer of skin circle, the first oil outlet 84 in eccentric bushing for the self-aligning roller bearing 311 between lubricating spindle 31 lower end and eccentric bush 53; Second oil outlet 85 is opened on the lower surface of dust proof tube, and for lubricating upper location bearing 54 between eccentric bushing 52 and bearing block 51 and lower location bearing 55, and tooth is bored in eccentric bushing cone tooth and transmission.During equipment use, lubricating oil is injected to fuel feed hole by the oil pump station outside equipment, lubricating oil flows into the oily passage of profit by oil pipe, sprayed by the first oil outlet on dust proof tube and the second oil outlet, lubricating oil confluxes in frame lower end after lubricating parts, and is back to oil pump station by oil return pipe.Under this lubrication circuit, the bearing of eccentric stiffener inside obtains abundant circulating lubricating, can effectively prevent the phenomenons such as main shaft locking.

Claims (8)

1. single cylinder gyratory crusher, comprises frame, and is arranged on transmission mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly in frame; Described eccentric stiffener is connected with transmission mechanism transmission, and hydraulicefficiency elevation structure is in below mantle main shaft group, is connected between hydraulicefficiency elevation structure with mantle main shaft group by bearing assembly; It is characterized in that:
Described eccentric stiffener comprises bearing block, and is arranged on the eccentric bushing in bearing block, and is arranged on the eccentric bush in eccentric bushing; Bearing block inner top side is provided with location bearing, and bearing block inside lower end is provided with lower location bearing, is also provided with bearing spacer ring between upper location bearing and lower location bearing; Described eccentric bushing is is integrally connected and composed by bottom the positive heart, in the middle part of bias and eccentric top from bottom to up successively, the diameter of eccentric top outer wall, and the diameter of positive heart bottom outside wall is all less than the diameter of eccentric middle part outer side surface; Positive heart bottom inside wall is provided with step surface, the positive heart bottom inside through hole above step surface and eccentric inside middle portion through hole and eccentric inside top through hole measure-alike and coaxially arranging, and the interior side through hole above step surface forms bushing mounting holes; Bottom the positive heart of described eccentric bushing, location and installation is in lower location bearing, eccentric top location and installation is in upper location bearing, eccentric middle part location and installation is in bearing spacer ring, and eccentric bush is arranged in the bushing mounting holes of eccentric bushing, and the lower surface of eccentric bush is erected on step surface;
Described mantle main shaft group comprises main shaft, and the movable cone be set in outside main shaft, and coning sleeve is located at the mantle liner plate outside movable cone, closely offset between the lower end inside face of mantle liner plate and the lower end outside face of movable cone, the mantle groove of filling epoxy resin is configured between the upper end medial surface of mantle liner plate and the upper end lateral surface of movable cone, main shaft above movable cone has been threaded locking nut, locking nut axial location mantle liner plate;
Described frame upper end is provided with the main shaft footstock for locating mantle main shaft group, and main shaft upper end location and installation is in main shaft footstock, and main shaft lower end location and installation is in eccentric bush.
2. single cylinder gyratory crusher according to claim 1, is characterized in that: the lower end of movable cone is provided with dustproof groove, and the dust-proof draw-in groove communicated with it is established in the lower end of dustproof groove, and the movable cone of dust-proof draw-in groove lower end is also provided with dust ring baffle ring; Be provided with main shaft dust preventing component between mantle main shaft group and eccentric stiffener, main shaft dust preventing component comprises the dust proof tube be fixed on bearing block, and is set in the dust ring in outside of dust proof tube; The upper end of dust proof tube is in the dustproof groove of movable cone, and dust ring is positioned in the dust-proof draw-in groove of movable cone by dust ring baffle ring.
3. single cylinder gyratory crusher according to claim 2, is characterized in that: dust ring is the torus be made up of wear resistant nylon, and the ring body section of dust ring radially tilts in direction.
4. single cylinder gyratory crusher according to claim 2, it is characterized in that: the outer side surface of described frame is provided with fuel feed hole, frame lower end is provided with oil return pipe, bearing block and dust proof tube all offer the profit oil passage communicated successively, dust proof tube also offers the first oil outlet and the second oil outlet that communicate with the profit oil passage of its inside; Described fuel feed hole is communicated with the oily passage of profit by oil pipe, and the first oil outlet and the second oil outlet are in above oil return pipe, and the first oil outlet is towards in eccentric bushing, and the second oil outlet is towards between eccentric bushing and bearing block.
5. single cylinder gyratory crusher according to claim 4, is characterized in that: described dust proof tube upper end open place is provided with gear outermost layer of skin circle, and gear outermost layer of skin circle is between dust proof tube and movable cone, and the first oil outlet is in below gear outermost layer of skin circle.
6. single cylinder gyratory crusher according to claim 1, is characterized in that: be provided with cut ring between locking nut and mantle liner plate.
7. single cylinder gyratory crusher according to claim 1, is characterized in that: the upper end of described eccentric bushing is provided with the top bearing cover for locating upper location bearing, top bearing cover is also provided with the eccentricity balance-weight block for stable eccentric bushing.
8. single cylinder gyratory crusher according to claim 7, is characterized in that: the lower surface of bearing block is provided with the end ring for locating lower location bearing.
CN201420868983.6U 2014-12-31 2014-12-31 Single cylinder gyratory crusher Active CN204365392U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201420868983.6U CN204365392U (en) 2014-12-31 2014-12-31 Single cylinder gyratory crusher

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475187A (en) * 2014-12-31 2015-04-01 浙江浙矿重工股份有限公司 Single-cylinder cone crusher
CN104984782A (en) * 2015-07-16 2015-10-21 成都大宏立机器股份有限公司 Hydraulic cone crusher eccentric sleeve, crusher, and assembling method of crusher

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475187A (en) * 2014-12-31 2015-04-01 浙江浙矿重工股份有限公司 Single-cylinder cone crusher
CN104984782A (en) * 2015-07-16 2015-10-21 成都大宏立机器股份有限公司 Hydraulic cone crusher eccentric sleeve, crusher, and assembling method of crusher

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CP03 Change of name, title or address

Address after: 313100 Industrial Park, Heping Town, Changxing County, Huzhou, Zhejiang

Patentee after: Zhejiang mining heavy industry Co.,Ltd.

Address before: 313103 huicheling Industrial Park, Heping Town, Changxing County, Huzhou City, Zhejiang Province

Patentee before: ZHEJIANG ZHE KUANG HEAVY INDUSTRIES Co.,Ltd.

CP03 Change of name, title or address