CN104493108B - Sand box positioning pin bush dismounting device and dismounting method - Google Patents

Sand box positioning pin bush dismounting device and dismounting method Download PDF

Info

Publication number
CN104493108B
CN104493108B CN201410686848.4A CN201410686848A CN104493108B CN 104493108 B CN104493108 B CN 104493108B CN 201410686848 A CN201410686848 A CN 201410686848A CN 104493108 B CN104493108 B CN 104493108B
Authority
CN
China
Prior art keywords
pin
loose piece
camshaft
disengagement
provision
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410686848.4A
Other languages
Chinese (zh)
Other versions
CN104493108A (en
Inventor
张珂
曹伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Qishuyan Institute Co Ltd
CRRC Changzhou Auto Parts Co Ltd
Original Assignee
CRRC Changzhou Auto Parts Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CRRC Changzhou Auto Parts Co Ltd filed Critical CRRC Changzhou Auto Parts Co Ltd
Priority to CN201410686848.4A priority Critical patent/CN104493108B/en
Publication of CN104493108A publication Critical patent/CN104493108A/en
Application granted granted Critical
Publication of CN104493108B publication Critical patent/CN104493108B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C23/00Tools; Devices not mentioned before for moulding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C21/00Flasks; Accessories therefor

Abstract

The invention discloses a sand box positioning pin bush dismounting device which includes a lifting mechanism, a connecting mechanism and a pin bush pulling mechanism, the connecting mechanism comprises a connecting rod, the connecting rod is connected with the lifting mechanism, and can move up and down in relative to the lifting mechanism; the pin bush pulling mechanism includes a casing, the casing is fixedly provided with a mechanism connecting head, the interior of the lower end of the mechanism connecting head is sleeved with a camshaft, the upper end of the camshaft is connected with a rocking handle capable of horizontally sliding and driving the camshaft to rotate, the rocking handle extends out of the casing, the end of the camshaft is covered with a pin bush pulling movable block, the pin bush pulling movable block is hinged onto the casing through a fixed pin, and the rotational motion of the camshaft can be transformed into upper outward expansion movement of the pin bush pulling movable block. The device can greatly improve the dismounting efficiency, each dismounting process of the device takes 20 to 30 seconds, the operation safety is improved, and the positioning pin bush damage can be reduced.

Description

A kind of flask bushing provision for disengagement and method for dismounting
Technical field
The present invention relates to is a kind of machinery dismantling device, the instrument of a kind of sand box used for casting set pin sleeve dismounting and method for dismounting thereof.
Background technology
In casting field, flask molding casting belongs to the forging type of high dimensional accuracy, is matched with flask bushing by mould set frame set pin sleeve, it is ensured that the dimensional accuracy of modeling process, thus ensure the dimensional accuracy of product in its production process.For foundry production, there is the condition that many causes pin guide to wear and tear, it is therefore necessary to make regular check on replacing pin guide, boring for alignment pin, it uses screw fastening means to fix, and replacing is easier, and set pin sleeve uses transition interference fit, dismounting difficulty.The most conventional method for dismounting is:
1, simple hand frock, uses inertia to form the power of relative guide installation direction, repeatedly taps and taken off by guide, about 20 minutes operating times;
2, sandbox being used driving hanging out mo(u)lding line, on level land, artificial percussion takes out guide, about 18 minutes operating times;
Both the above method, write off set process is the longest, big to the working strength of operator, 2nd kind of method there is also certain potential safety hazard, during stopping line maintenance of equipment, would is that a time-consuming huge intensive work, if occurring changing the situation of guide in process of production, production line will be caused to stop line for a long time, production is impacted, the most unfavorable.
Summary of the invention
The defect existed in view of above-mentioned prior art, the purpose of the present invention is to propose to a kind of easy to operate, time saving and energy saving, safe and reliable, can be used for dismantling extracting tool and the method for dismounting thereof of sand box used for casting set pin sleeve.
The purpose of the present invention will be achieved by the following technical programs:
A kind of flask bushing provision for disengagement, including hoisting mechanism, bindiny mechanism and set mechanism of pulling pin, described hoisting mechanism is connected with set mechanism of pulling pin by bindiny mechanism, and provides lifting force for described set mechanism of pulling pin;Described bindiny mechanism includes that a connecting rod, described connecting rod are connected to described hoisting mechanism, and can move up and down by the most described hoisting mechanism;Described set mechanism of pulling pin includes shell, mechanism's union joint it is installed with on described shell, described mechanism's union joint upper end connects with described connecting rod lower end, described mechanism's union joint lower end internal sleeve is equipped with a camshaft, the upper end of described camshaft connects to be had and level can slide and make the rocking handle of described cam axle, described rocking handle stretches out in described shell, described cam the tip of the axis is coated with set loose piece of pulling pin, described set loose piece of pulling pin is articulated with on described shell by steady pin, the rotary motion of described camshaft can be converted into described in pull pin set loose piece upper limb expand outwardly motion.
Preferably, a kind of flask bushing provision for disengagement, wherein: described hoisting mechanism includes a support crossbeam, below described support crossbeam, both sides are respectively fixed with jack by trip bolt, being provided with a boosting-rod on described jack, two described boosting-rods are connected by the combination of boosting-rod union joint.
Preferably, a kind of flask bushing provision for disengagement, wherein: described support crossbeam both sides are provided through the elongated slot that described support crossbeam is axial and matches with described trip bolt, described trip bolt can move horizontally in described elongated slot.
Preferably, a kind of flask bushing provision for disengagement, wherein: described support crossbeam centre position is provided with one and runs through the hole that described support crossbeam is axial, described hole has female thread, described connecting rod is had the external screw thread matched with the female thread in described hole and is fixed on described support crossbeam by stop nut, and described connecting rod can move axially on described support crossbeam.
Preferably, a kind of flask bushing provision for disengagement, wherein: described hoisting mechanism also includes that the two-sided magnetic sucker of two consistent size, described two-sided magnetic sucker match with described jack.
Preferably, a kind of flask bushing provision for disengagement, wherein: be provided with and the groove of described connecting rod ends match on described mechanism union joint end face, described connecting rod end embeds in described groove, makes described connecting rod be connected with described mechanism union joint.
Preferably, a kind of flask bushing provision for disengagement, wherein: described cam the tip of the axis lateral symmetry is provided with the first cam and the second cam, described set loose piece of pulling pin includes that two pieces of first be hinged set loose piece and second of pulling pin is pulled pin set loose piece, and the first cam described in during original state and the second cam set loose piece and second of pulling pin with first respectively is pulled pin set loose piece interlocking.
Preferably, a kind of flask bushing provision for disengagement, wherein: the upper end of described camshaft is connected with described rocking handle by camshaft spacer pin, described rocking handle leaves and is available for the loose slot that camshaft alignment pin moves axially.
Preferably, a kind of flask bushing provision for disengagement, wherein: described rocking handle runs through radial direction " 7 " font elongated slot being arranged on described side wall of outer shell, and described rocking handle can be along described elongated slot relative to described shell half-twist.
Preferably, a kind of flask bushing provision for disengagement, wherein: described first pull pin set loose piece and second pull pin set loose piece between be provided with back-moving spring, one end of described back-moving spring is arranged at described first and pulls pin on set loose piece, and the other end of described back-moving spring is arranged at described second and pulls pin on set loose piece.
Preferably, a kind of flask bushing provision for disengagement, wherein: described shell lower end is symmetrically arranged with the first elongated slot and the second elongated slot running through described side wall of outer shell, described first elongated slot pull pin with described first set loose piece corresponding, described second elongated slot pull pin with described second overlap loose piece corresponding.
Present invention further teaches a kind of method using above-mentioned flask bushing provision for disengagement to carry out flask bushing dismounting, comprise the steps:
Step one: each independent assembly is connected and forms described flask bushing provision for disengagement;
Step 2: laterally adjust the position of trip bolt according to the size of sandbox and the position of set pin sleeve, after adjusting position, is fixed on described flask bushing provision for disengagement on sandbox by two two-sided magnetic suckers;
Step 3: loosening stop nut makes connecting rod move down, and the set mechanism that makes to pull pin runs through set pin sleeve, stop less than during the bottom of described set pin sleeve to the first pull pin upper end of set loose piece of set loose piece and second of pulling pin, tighten stop nut, make connecting rod be anchored on support crossbeam;
Step 4: level is to rocking handle described in right rotation, make whole cam axle 90 °, now, first cam of camshaft and the second cam be placed in first pull pin set loose piece and second pull pin set loose piece between and make its upper limb to both sides expand, described first pull pin set loose piece extend the first elongated slot, described second set loose piece of pulling pin extends the second elongated slot, and is expanded to respectively below described set pin sleeve edge;
Step 5: shake boosting-rod, jack moves upward, now connecting rod along with support crossbeam move upward, drive set mechanism of pulling pin to move upward simultaneously, the first set loose piece and second set loose piece upper limb of pulling pin of pulling pin is made to block the bottom surface surrounding of described set pin sleeve, along with the continuous rising of jack, set pin sleeve is extracted;
Step 6: after extracting set pin sleeve, to anticlockwise rocking handle, make camshaft produce the first of interlocking pull pin set loose piece and second pull pin set loose piece between, now, described first pull pin set loose piece and second pull pin set loose piece upper limb get loose bottom described set pin sleeve under the effect of back-moving spring, restore to the original state, take off set pin sleeve.
The invention have the benefit that
This device can be greatly improved removal efficiency, and each unloading process needs the 20-30 second, and it is time-consuming that the most existing method greatly reduces dismounting;This device is simple to operate simultaneously, it is not necessary to tap or sandbox uses driving hanging out mo(u)lding line, it is to avoid the problem that there is potential safety hazard in prior art, improves the safety of operation.
The device avoids the percussion to set pin sleeve, decrease the damage to set pin sleeve, thus after avoiding the damage of set pin sleeve, equipment is carried out the problem that maintenance affects manufacturing schedule.
This device, by offering elongated slot on support crossbeam, makes described jack can be adjusted according to the specification of different sandboxes, improves the scope of application of this equipment.
This device is arranged by concrete structure, ease of assembly, and when some parts occurs damaged, it is simple to change;Additionally when need not use device, forming each individual components of this device and can dismantle and come with used for other purposes.
Hereinafter accompanying drawing the most in conjunction with the embodiments, is described in further detail the detailed description of the invention of the present invention, so that technical solution of the present invention is more readily understood, grasps.
Accompanying drawing explanation
Fig. 1 is the front view of population structure of the present invention;
Fig. 2 is the top view of population structure of the present invention;
Fig. 3 is the top view supporting crossbeam of the present invention;
Fig. 4 is the front view of the set mechanism of pulling pin of the present invention;
Fig. 5 is the internal structure axonometric chart of the set mechanism of pulling pin of the present invention;
Fig. 6 is the set mechanism axonometric chart of pulling pin of the present invention;
Fig. 7 is the front view of the camshaft of the present invention.
Detailed description of the invention
A kind of flask bushing provision for disengagement, as shown in accompanying drawing 1-accompanying drawing 7, including hoisting mechanism, bindiny mechanism and set mechanism of pulling pin, described hoisting mechanism is connected with set mechanism of pulling pin by bindiny mechanism, and provides lifting force for described set mechanism of pulling pin.
Shown in Fig. 2 and Fig. 3, described hoisting mechanism includes a support crossbeam 4, described support crossbeam 4 both sides are provided through the elongated slot 18 of described support crossbeam 4, and described support crossbeam 4 centre position is provided with a hole 19 running through described support crossbeam, and described hole 19 has female thread;Being provided with two trip bolts 3 in said two elongated slot 18, described trip bolt 3 can move horizontally in described elongated slot 18;Described trip bolt 3 lower end is respectively arranged with a jack 5 and described jack 5 is positioned at below described support crossbeam 4, and described jack 5 is provided with boosting-rod 6, and two described boosting-rods 6 are connected by boosting-rod union joint 7 combination;The two-sided magnetic sucker 8 including two consistent size it is additionally provided with below described jack 5.
Described bindiny mechanism includes a connecting rod 1, described connecting rod 1 has the external screw thread matched with described hole 19 female thread, described connecting rod 1 is also fixed at the hole 19 of described support crossbeam 4 by stop nut 2, described connecting rod 1 can move axially on described support crossbeam 4, and the lower end of described connecting rod 1 is connected with described set mechanism of pulling pin.
In conjunction with shown in Fig. 4 to Fig. 7, described set mechanism of pulling pin includes mechanism's union joint 9, described mechanism union joint 9 is arranged on shell 11, it is provided with on described mechanism union joint 9 end face and the groove 20 of described connecting rod 1 ends match, described connecting rod 1 end embeds in described groove 20, makes described connecting rod 1 be connected with described mechanism union joint 9;Described mechanism union joint 9 lower end internal sleeve is equipped with camshaft 16, the end lateral symmetry of described camshaft 16 is provided with the first cam 161 and the second cam 162, the upper end of described camshaft 16 is connected with described rocking handle 10 by camshaft spacer pin 17, leave on described rocking handle 10 and be available for the loose slot 21 that camshaft alignment pin 17 moves up and down, and described rocking handle 10 runs through and stretches out in radial direction " 7 " font elongated slot 22 being arranged on described shell 11 sidewall, and 90 ° can be horizontally rotated along described elongated slot 22 relative to described shell 11.
First cam 161 of described camshaft 16 and the second cam 162 be coated on first pull pin set loose piece 151 and second pull pin set loose piece 152, the first cam 161 and the second cam 162 described in during original state respectively pull pin with first set loose piece 151 and second pull pin set loose piece 152 interlock.Described first pull pin set loose piece 151 and second pull pin set loose piece 152 between be provided with back-moving spring 14, one end of described back-moving spring 14 is arranged at described first and pulls pin on set loose piece 151, and the other end of described back-moving spring 14 is arranged at described second and pulls pin on set loose piece 152.
In the present invention, the first cam 161 and the second cam 162 of the arc with involute except disclosing in preferred embodiment, the first described cam 161 and the second cam 162 can also be spiral yarn shaped cam structures.
Described first set loose piece 151 and second of pulling pin pulls pin the distraction angle of set loose piece 152 less than being pre-designed angle so that the described first set loose piece 151 and second set loose piece 152 of pulling pin of pulling pin is the level of state;Described camshaft 16 be coated on described first pull pin set loose piece 151 and second pull pin set loose piece 152 inside, and locked by the described first set loose piece 151 and second set loose piece 152 of pulling pin of pulling pin, the described first set loose piece 151 and second set loose piece 152 of pulling pin of pulling pin is articulated with on described shell 11 by a steady pin 13;Described shell 11 lower end is symmetrically arranged with the first elongated slot 23 and the second elongated slot 24 running through described shell 11 sidewall, described first elongated slot 23 pull pin with described first set loose piece 151 corresponding, described second elongated slot 24 pull pin with described second overlap loose piece 152 corresponding.
In the present embodiment, the work process of the present invention is as follows:
When needs dismounting set pin sleeve, arrange according to said structure and each independent assembly is connected the described flask bushing provision for disengagement of formation, as shown in Figure 1.
Size according to flask pin laterally adjusts the position of jack 5, is fixed the position of jack 5 by trip bolt 3, described flask bushing provision for disengagement be fixed on sandbox by two two-sided magnetic suckers 8 after adjusting position.
Loosening stop nut 2 makes connecting rod 1 move down, and the set mechanism that makes to pull pin runs through set pin sleeve, stop less than during the bottom of described set pin sleeve to the described first pull pin upper end of set loose piece 152 of set loose piece 151 and second of pulling pin, tighten stop nut 2, make connecting rod 1 be anchored on described support crossbeam 4.
Along described " 7 " type elongated slot 90 ° of described rocking handles of rotation to the right, it is in described " 7 " type elongated slot rightmost side to rocking handle, and move down along track, along with the rotation of rocking handle 10 with move down, described camshaft 16 is followed rocking handle 10 under the effect of camshaft alignment pin 17 and is rotated 90 ° and move down, now the first cam 161 and the second cam 162 be snapped into described first pull pin set loose piece 151 and second pull pin set loose piece 152 between, and make described first pull pin set loose piece 151 and second pull pin set loose piece 152 upper limb to both sides expand, described first upper limb pulling pin set loose piece 151 extends described first elongated slot 23, described second upper limb pulling pin set loose piece 152 extends described second elongated slot 24, and be expanded to respectively below described set pin sleeve edge.
Shake boosting-rod 6, described jack 5 moves upward, now connecting rod 1 along with support crossbeam 4 move upward, drive set mechanism of pulling pin to move upward simultaneously, the first set loose piece 151 and second set loose piece 152 upper limb of pulling pin of pulling pin is made to block the bottom surface surrounding of described set pin sleeve, along with the continuous rising of jack 5, set pin sleeve is extracted.
After extracting set pin sleeve, to anticlockwise rocking handle 10, camshaft 16 to anticlockwise, described first pull pin set loose piece 151 and second pull pin set loose piece 152 get loose bottom described set pin sleeve under the effect of back-moving spring 14, return to original state, take off set pin sleeve.
After use, institute's rheme guide provision for disengagement is split into each stand-alone assembly.
Above-described embodiment is only for technology design and the feature of the explanation present invention; its object is to allow person skilled in the art will appreciate that content of the present utility model and to implement according to this; can not limit the scope of the invention with this; those skilled in the art are under the enlightenment of the technology of the present invention marrow; it is also possible to make other changes; all employing equivalents or equivalent transformation and all technical schemes of being formed, within all falling within protection scope of the present invention.

Claims (11)

1. a flask bushing provision for disengagement, it is characterised in that: including hoisting mechanism, bindiny mechanism and set mechanism of pulling pin, described hoisting mechanism is connected with set mechanism of pulling pin by bindiny mechanism, and provides lifting force for described set mechanism of pulling pin;Described bindiny mechanism includes that a connecting rod (1), described connecting rod (1) are connected to described hoisting mechanism, and can move up and down by the most described hoisting mechanism;Described set mechanism of pulling pin includes shell (11), mechanism's union joint (9) it is installed with on described shell (11), described mechanism union joint (9) upper end connects with described connecting rod (1) lower end, described mechanism union joint (9) lower end internal sleeve is equipped with a camshaft (16), the upper end of described camshaft (16) connects that have can the level rocking handle (10) that slides and make described camshaft (16) rotate, described rocking handle (10) stretches out in described shell (11), the end of described camshaft (16) is coated with set loose piece (15) of pulling pin, described set loose piece (15) of pulling pin is articulated with on described shell (11) by steady pin (13), the rotary motion of described camshaft (16) can be converted into described in pull pin set loose piece (15) upper limb expand outwardly motion.
A kind of flask bushing provision for disengagement the most according to claim 1, it is characterized in that: described hoisting mechanism includes a support crossbeam (4), both sides, described support crossbeam (4) lower section are respectively fixed with jack (5) by trip bolt (3), being provided with a boosting-rod (6) on described jack (5), two described boosting-rods (6) are connected by boosting-rod union joint (7) combination.
A kind of flask bushing provision for disengagement the most according to claim 2, it is characterized in that: described support crossbeam (4) centre position is provided with one and runs through the hole (19) that described support crossbeam (4) is axial, described hole (19) has female thread, described connecting rod (1) is had the external screw thread matched with the female thread of described hole (19) and is fixed on described support crossbeam (4) by stop nut (2), and described connecting rod (1) can move axially on described support crossbeam (4).
A kind of flask bushing provision for disengagement the most according to claim 3, it is characterised in that: described hoisting mechanism also includes that the two-sided magnetic sucker (8) of two consistent size, described two-sided magnetic sucker (8) match with described jack (5).
A kind of flask bushing provision for disengagement the most according to claim 4, it is characterized in that: on described mechanism union joint (9) end face, be provided with the groove (20) with described connecting rod (1) ends match, the end of described connecting rod (1) embeds in described groove (20), makes described connecting rod (1) be connected with described mechanism union joint (9).
A kind of flask bushing provision for disengagement the most according to claim 5, it is characterized in that: the end lateral symmetry of described camshaft (16) is provided with the first cam (161) and the second cam (162), described pull pin set loose piece (15) include two pieces of first be hinged pull pin set loose piece (151) and second pull pin set loose piece (152), the first cam (161) described in during original state and the second cam (162) respectively pull pin with first set loose piece (151) and second pull pin overlap loose piece (152) interlock.
A kind of flask bushing provision for disengagement the most according to claim 6, it is characterized in that: the upper end of described camshaft (16) is connected with described rocking handle (10) by camshaft spacer pin (17), described rocking handle (10) leaves and is available for the loose slot (21) that camshaft alignment pin (17) moves axially.
A kind of flask bushing provision for disengagement the most according to claim 6, it is characterized in that: described rocking handle (10) runs through radial direction " 7 " font elongated slot (22) being arranged on described shell (11) sidewall, and described rocking handle (10) can be along described elongated slot (22) relative to described shell (11) half-twist.
A kind of flask bushing provision for disengagement the most according to claim 6, it is characterized in that: the described first set loose piece (151) and second of pulling pin is pulled pin to overlap and is provided with back-moving spring (14) between loose piece (152), one end of described back-moving spring (14) is arranged at described first and pulls pin on set loose piece (151), and the other end of described back-moving spring (14) is arranged at described second and pulls pin on set loose piece (152).
A kind of flask bushing provision for disengagement the most according to claim 9, it is characterized in that: described shell (11) lower end is symmetrically arranged with the first elongated slot (23) and the second elongated slot (24) running through described shell (11) sidewall, described first elongated slot (23) pull pin with described first set loose piece (151) corresponding, described second elongated slot (24) pull pin with described second overlap loose piece (152) corresponding.
The method that the flask bushing provision for disengagement that 11. 1 kinds use described in claim 10 carries out flask bushing dismounting, it is characterised in that: comprise the steps:
Step one: each independent assembly is connected and forms described flask bushing provision for disengagement;
Step 2: laterally adjust the position of trip bolt (3) according to the size of sandbox and the position of set pin sleeve, after adjusting position, is fixed on described flask bushing provision for disengagement on sandbox by two two-sided magnetic suckers (8);
Step 3: loosen stop nut (2) and make connecting rod (1) move down, and the set mechanism that makes to pull pin runs through set pin sleeve, pull pin the upper end of set loose piece (152) less than stopping during the bottom of described set pin sleeve to the first set loose piece (151) and second of pulling pin, tighten stop nut (2), make connecting rod (1) be anchored in support crossbeam (4);
Step 4: level is to rocking handle described in right rotation, whole camshaft (16) is made to rotate 90 °, first cam (161) of camshaft (16) and the second cam (162) are placed in the first set loose piece (151) and second of pulling pin and pull pin between set loose piece (152) and make the described first set loose piece (151) and second of pulling pin pull pin the upper limb overlapping loose piece (152) to both sides expansion, described first pull pin set loose piece (151) extend the first elongated slot (23), described second pull pin set loose piece (152) extend the second elongated slot (24), and be expanded to respectively below described set pin sleeve edge;
Step 5: shake boosting-rod (6), jack (5) moves upward, described connecting rod (1) moves upward along with support crossbeam (4), drive set mechanism of pulling pin to move upward simultaneously, the first set loose piece (151) and second of pulling pin is made to pull pin and overlap loose piece (152) upper limb and block the bottom surface surrounding of described set pin sleeve, along with the continuous rising of jack (5), set pin sleeve is extracted;
Step 6: after extracting set pin sleeve, to anticlockwise rocking handle (10), make camshaft produce the first of interlocking set loose piece (151) and second of pulling pin to pull pin and overlap between loose piece (152), described first pull pin set loose piece (151) and second pull pin overlap loose piece (152) upper limb get loose bottom described set pin sleeve under the effect of back-moving spring (14), return to original state, take off set pin sleeve.
CN201410686848.4A 2014-11-26 2014-11-26 Sand box positioning pin bush dismounting device and dismounting method Active CN104493108B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410686848.4A CN104493108B (en) 2014-11-26 2014-11-26 Sand box positioning pin bush dismounting device and dismounting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410686848.4A CN104493108B (en) 2014-11-26 2014-11-26 Sand box positioning pin bush dismounting device and dismounting method

Publications (2)

Publication Number Publication Date
CN104493108A CN104493108A (en) 2015-04-08
CN104493108B true CN104493108B (en) 2017-01-11

Family

ID=52934608

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410686848.4A Active CN104493108B (en) 2014-11-26 2014-11-26 Sand box positioning pin bush dismounting device and dismounting method

Country Status (1)

Country Link
CN (1) CN104493108B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107053075B (en) * 2017-05-09 2018-11-16 上海沪工汽车电器有限公司 A kind of AUTOMOTIVE RELAY shell four sides disassembly mechanism
CN107097066A (en) * 2017-05-24 2017-08-29 徐工集团工程机械有限公司 Location nut provision for disengagement
CN107283153B (en) * 2017-05-27 2023-06-27 宁波帅特龙集团有限公司 Pin shaft pulling device and operation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3159291B2 (en) * 1994-11-11 2001-04-23 新東工業株式会社 Sand mold processing equipment
JP3333682B2 (en) * 1996-03-29 2002-10-15 日産ディーゼル工業株式会社 Mold changing device of molding machine
CN201543781U (en) * 2009-11-13 2010-08-11 广西玉柴机器股份有限公司 Tool used for replacing flask positioning pin bush
CN203621399U (en) * 2013-12-31 2014-06-04 广西玉柴机器股份有限公司 Sand box positioning device on core setting station of shaping line
CN204338802U (en) * 2014-11-26 2015-05-20 常州南车汽车零部件有限公司 A kind of flask bushing provision for disengagement

Also Published As

Publication number Publication date
CN104493108A (en) 2015-04-08

Similar Documents

Publication Publication Date Title
CN104493108B (en) Sand box positioning pin bush dismounting device and dismounting method
CN204778007U (en) Steel wire admission machine drum clamping device
CN107829430A (en) A kind of adjustable piling machine of civil engineering
CN105382518B (en) Electric power integral wheel is to power transmission pin provision for disengagement
CN204338802U (en) A kind of flask bushing provision for disengagement
CN203599470U (en) Withdrawing device for loose block inside sand mold and sand core
CN203448976U (en) Box clamping bolt locking device
CN202684843U (en) Pushing disassembling tool for crank shaft of beam-pumping unit
CN104562907A (en) Device for repairing manhole cover
CN103394906B (en) Box clamp bolt locking device
CN203805213U (en) Rapid fixture
CN101776033B (en) Hydraulic dismounting device for vertical-shaft pelton turbine rotating wheel
CN104084926B (en) A kind of method for dismounting dismantling crank-pin and crank axle sleeve
CN203556671U (en) Four-link driving device
CN204586832U (en) Move car device
CN203945324U (en) A kind of provision for disengagement of dismantling crank-pin and crank axle sleeve
CN203048792U (en) Glass drilling machine
CN209512496U (en) A kind of console mode burner regulating device
CN202037189U (en) Rear guiding device of seamless steel tube rolling mill
CN204038422U (en) The two cylinder type stepper in both sides
CN102151702A (en) Rear guide device for seamless steel tube rolling mill
CN203233080U (en) Special tool for removing and installing soft bus in transformer station
CN202240362U (en) Device for rapidly changing rock drill
CN206117435U (en) Large -scale motor dismouting device
CN204913797U (en) Frock of pneumatic cylinder and tripod supporting shoe is ground to quick assembly disassembly intermediate speed

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No.

Applicant after: CRRC CHANGZHOU AUTO PARTS CO.,LTD.

Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No.

Applicant before: CHANGZHOU CSR AUTO PARTS Co.,Ltd.

COR Change of bibliographic data
GR01 Patent grant
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170110

Address after: 213011 Wuyi Road, Changzhou, Jiangsu Province, No. 313

Patentee after: CRRC CHANGZHOU AUTO PARTS CO.,LTD.

Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd.

Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No.

Patentee before: CRRC CHANGZHOU AUTO PARTS CO.,LTD.

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 213011 No.313, Wuyi Road, Jingkai District, Changzhou City, Jiangsu Province

Patentee after: CRRC CHANGZHOU AUTO PARTS CO.,LTD.

Country or region after: China

Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd.

Address before: 213011 No.313, Wuyi Road, Jingkai District, Changzhou City, Jiangsu Province

Patentee before: CRRC CHANGZHOU AUTO PARTS CO.,LTD.

Country or region before: China

Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd.