CN105798588A - Pin leading-out device - Google Patents

Pin leading-out device Download PDF

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Publication number
CN105798588A
CN105798588A CN201610036977.8A CN201610036977A CN105798588A CN 105798588 A CN105798588 A CN 105798588A CN 201610036977 A CN201610036977 A CN 201610036977A CN 105798588 A CN105798588 A CN 105798588A
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CN
China
Prior art keywords
mentioned
pin
connecting portion
nut
unit
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.)
Granted
Application number
CN201610036977.8A
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Chinese (zh)
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CN105798588B (en
Inventor
李日载
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.)
Qingdao Baoqiang Energy Technology Co ltd
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Individual
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Publication of CN105798588A publication Critical patent/CN105798588A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/025—For detaching only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/04—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

The invention relates to a pin leading-out device, and specifically relates to a large pin leading-out device. The large pin leading-out device comprises a traction portion, a reciprocating beating device, and a buffer device. The traction portion is connected with an end of a large pin which is knocked in a structure. The reciprocating beating device is formed by a hydraulic brake which is arranged in the traction portion. The buffer device is arranged in the traction portion. The large pin leading-out device is also provided with a detachable connecting device, so that the large pin can be easily lead out by the hydraulic brake.

Description

Pin ejector
Technical field
The present invention relates to the ejector for drawing pin, above-mentioned pin is arranged at the junction of the two or more parts of heavy construction or plant equipment, especially, relates to can easily drawing weight and reaches the pin of more than 50kg.
Background technology
Generally, in the junction of the two or more parts of heavy construction plant equipment or civil structure thing etc., especially use the pin with big diameter and length in the part becoming rotating shaft.
If these sell loss of function, then need to keep in repair or change to separate from each works.
The reason of usual loss of function is as follows: because being subject to acting on the impact of the load of pin and works or use environment etc., major part causes that the connecting portion of pin and works corrodes.
But, due to this pin be generally of more than 50kg very heavy weight, be therefore at be difficult to from works separate state.
This is because heavy construction plant equipment or civil structure thing are not exist in a large number in the position specified, but major part exists in the mode sentencing minority more, thus is difficult by being easily separated for the stationary installation drawn.
In the past, generally become to impact to pin-shaped through tens of times or hundreds of times by weight by operating personnel, thus between pin and the works of separately loss of function, realizing separating.
But, owing to needing the hammer being lifted weight by operating personnel to carry out tens of times or hundreds of secondary operation, thus tend to occur injury accident, and consume a lot of activity duration.
If the technology relevant with the extraction of common pin is independently observed in the extraction to this large-scale pin, then device for drawing directing pin disclosed in " directing pin ejector " (Korea S open utility model publication the 20-1999-0014551st, patent documentation 1), above-mentioned directing pin is for the upper die and lower die of connecting mold, and the weight of above-mentioned directing pin is less than number.
Above-mentioned patent documentation 1 includes: bolt, and above-mentioned bolt and directing pin are fastened；Nut, inserts in the way of corresponding with above-mentioned bolt；And lining and liner, for supporting between the multiple device side being inserted with directing pin, thus directing pin can be drawn by the rotation of nut.
Above-mentioned patent documentation 1 utilizes revolving force to separate directing pin, and such as patent documentation 1 for the directing pin of connecting mold, less pin can be applied rotation is easily separated, but is difficult to counterweight amount and reaches the large-scale pin of more than 50kg and apply rotation and be easily separated.
Prior art literature
Patent documentation
Patent documentation 1:KR20-1999-0014551 (on 05 06th, 1999)
Summary of the invention
The present invention problem for solving to occur in prior art as above, can at the internally installed reciprocal beating unit that can produce impact force such as liquid braking device etc. of the tractive unit fixing with pin, the tractive unit making to be connected with pin that moves back and forth by the piston of reciprocal beating unit moves to lead direction, thus the large-scale pin being firmly secured to works can easily be drawn.
In order to solve technical problem as above, the pin ejector of the present invention includes: tractive unit 10, it is formed with connecting portion 11 in the side of above-mentioned tractive unit 10, above-mentioned connecting portion is connected with the end of the large-scale pin hammering into works, it is formed with receiving space 12 to length direction in the inside of tractive unit 10, be formed with impact space 13 in the end of above-mentioned receiving space 12, above-mentioned impact space 13 is connected with receiving space 12, and the diameter in above-mentioned impact space 13 is less than the diameter of receiving space 12；Reciprocal beating unit 20, it is arranged at the inside of the receiving space 12 of above-mentioned tractive unit 10, it is inserted with in the side of above-mentioned reciprocal beating unit 20 and carries out, from external reception power, the piston 21 that advances or retreat, above-mentioned piston 21 is undertaken advancing or retreating by the supply of power in impact space 13, and the end in impact space 13 is impacted；And buffer unit 30, it being arranged at the inside of the receiving space of above-mentioned tractive unit 10, the side of above-mentioned buffer unit 30 is connected with above-mentioned reciprocal beating unit 20, for absorbing by the movable repulsion caused of piston 21.
In such an embodiment, it is a feature of the present invention that and above-mentioned connecting portion 11 is provided with reassembling type connecting device 40, above-mentioned reassembling type connecting device 40 is connected with above-mentioned connecting portion 11 in dismounting mode, and is fixed with the pin 1 hammering into works 2.
Pass through the present invention, the internally installed reciprocal beating unit that can produce impact force such as liquid braking device etc. at the tractive unit fixing with pin, thus the tractive unit being connected with pin can be made to move to lead direction by moving back and forth of the piston of reciprocal beating unit, thus can easily draw the large-scale pin being firmly secured to works.
That is, owing to can easily draw the pin of top load, thus shortening the activity duration, thus reducing operation expense, and along with the automatization of reciprocal impact, industry disaster accident can be prevented.
Accompanying drawing explanation
Fig. 1 is the diagrammatic sectional view of the embodiment representing inventive pin ejector.
Fig. 2 is that expression is in FIG by the diagrammatic sectional view moving back and forth the state drawing pin of piston.
Fig. 3 is the diagrammatic sectional view of another embodiment representing inventive pin ejector.
Fig. 4 is the diagrammatic sectional view representing the connection status of tractive unit and pin in the present invention.
Fig. 5 is the photo of an embodiment of the pin ejector representing the present invention.
Description of reference numerals
1: pin 2: works
10: tractive unit 11: connecting portion
11a: nut 12: receiving space
13: impact space 14: hammering block
20: reciprocal beating unit 21: piston
22: power supply port 23: guide member
30: buffer unit 31: nut part
40: reassembling type connecting device 41: secure component
42: house nut 42a: engaging portion
43: the fixing parts 43a of pin: wide diameter portion
50: support 60: guide member
Detailed description of the invention
Hereinafter, with reference to accompanying drawing, the pin ejector of the present invention is described in detail.
The pin ejector of the present invention generally comprises tractive unit 10, reciprocal beating unit 20 and buffer unit 30.
As it is shown in figure 1, the side of tractive unit 10 is formed with connecting portion 11, above-mentioned connecting portion 11 is connected with the end of the large-scale pin 1 hammering into works 2.
And, it is formed with receiving space 12 to length direction in the inside of tractive unit 10, be formed with impact space 13 in the end of above-mentioned receiving space 12, above-mentioned impact space 13 is connected with receiving space 12, and the diameter in above-mentioned impact space 13 is less than the diameter of above-mentioned receiving space 12.
Reciprocal beating unit 20 is arranged at the inside of the receiving space 12 of above-mentioned tractive unit 10, it is inserted with in the side of above-mentioned reciprocal beating unit 20 and carries out, from external reception power, the piston 21 that advances or retreat, above-mentioned piston 21 carries out advancing or retreating in impact space 13 by the supply of power, and the end in impact space 13 is impacted.
Now, in order to prevent the end damage in impact space 13, it is also provided with removable hammering block 14 in the end in impact space 13.
As an example of this reciprocal beating unit 20, liquid braking device can be enumerated.
Being inserted with piston at liquid braking device, above-mentioned piston moves back and forth from external reception hydraulic energy in impact interior volume, and liquid braking device is provided with the chisel that the impact by piston carries out moving back and forth.
That is, being suitable for the chisel of liquid braking device in tractive unit 10, body is made up of the body of reciprocal beating unit 20, often answers beating unit 20 thus may make up.
In addition, reciprocal beating unit can be moved device by being provided with the Aerated reciprocal of piston carrying out moving back and forth laterally or utilize the multiple known reciprocating moving device of electricity to be formed.
Now, as it can be seen, be provided with power supply port 22 at the body of reciprocal beating unit 20.
Buffer unit 30, is arranged at the inside of the receiving space 12 of above-mentioned tractive unit 10, and the side of above-mentioned buffer unit 30 is connected with above-mentioned reciprocal beating unit 20, absorbs by the movable repulsion caused of piston 21.
Observe the example of accompanying drawing, it is shown that buffering fills 30 and formed by helical spring, and be provided with the example of the guide member 23 of the rod-shape being inserted in helical spring at the one end of reciprocal beating unit 20.
Now, buffer unit 30 is not limited to shown helical spring, can be had the impact absorbing member of retractility by such as rubber, polyurethane etc. and be formed.
And, as shown in Figure 3, guide member 23 arranges threaded screw thread form in the outer peripheral face at guide member, and be provided with and be screwed, with this guide member 23, the nut part 31 carrying out advancing or retreating, and, make the end of this nut part 31 support helix spring, thus can according to making nut part 31 carry out the tension force of adjustable screw spring to guide member 23 degree of rotation.
That is, being fixed on the firmness degree of works 2 according to the weight of pin 1 or pin 1, regulate the hydraulic pressure to power supply port 22 supply, thus scalable impact force, and available nut part 31 regulates the degree of absorption of the repulsion now produced.
On the other hand, in structure as above, large-scale pin 1 is generally formed by steel matter, thus, welding is best suitable for for connecting portion 11 is fixed on pin 1.
But, after in a welding manner connecting portion 11 being fixed on pin 1 and carrys out separate pins 1, when will be arranged at another pin 1 to draw, then need to utilize the inconvenience of the mode separation connecting portions 11 such as cutting machine and pin 1.
For the method solving this problem, it is preferable that above-mentioned connecting portion 11 is provided with reassembling type connecting device 40, and above-mentioned reassembling type connecting device 40 is connected with above-mentioned connecting portion 11 in dismounting mode, and is fixed with the pin 1 hammering into works 2.
As the simple embodiment of reassembling type, as shown in Figure 1 to Figure 3, applicable following manner: form connecting portion 11 and the nut 11a that setting and connecting portion 11 are screwed with rod-shape, and by nut 11a either directly through being fixedly welded on pin 1.
Fig. 4 illustrates another embodiment of reassembling type connecting device 40.
Observe the structure of accompanying drawing, connecting portion 11 is in rod-shape, outer peripheral face at connecting portion is formed with screw thread, above-mentioned reassembling type connecting device 40 includes: secure component 41, it is formed with screw thread at the inner peripheral surface of above-mentioned secure component 41 in the way of being screwed with above-mentioned connecting portion 11, making secure component 41 and connecting portion 11 be fastened or be separated, the side outer peripheral face at secure component 41 is formed with screw thread；House nut 42, be formed with screw thread in the side of the inner peripheral surface of above-mentioned collecting nut 42 so that the nut of the outer peripheral face of above-mentioned collecting nut 42 and above-mentioned secure component 41 is fastened, and the opposite side at above-mentioned collecting nut 42 is formed with engaging portion 42a；The fixing parts 43 of pin, the side of the fixing parts 43 of above-mentioned pin is welded and fixed with pin 1, and the opposite side at the fixing parts 43 of pin is formed with wide diameter portion 43a, is used for being stuck in above-mentioned engaging portion 42a, thus makes the fixing parts 43 of above-mentioned pin be contained in the inside housing nut 42.
When connecting portion 11 is connected with pin 1, this structure is when the inside housing nut 42 is inserted and sold fixing parts 43, the secure component 41 making collecting nut 42 and be anchored on connecting portion 11 is screwed, after fixing the fixing parts 43 of pin, when the fixing parts 43 of pin and pin 1 in opposite directions, can carry out being welded and fixed the fixing parts 43 of connecting pin and pin 1.
On the contrary, when terminating the extraction of pin 1, to during from connecting portion 11 separate pins 1, secure component 41 can be made to rotate to connecting portion 11 side, making secure component 41 and collecting nut 42 be separated from each other, thus can be easily separated connecting portion 11, and being used in the extraction operation of another pin 1.
Owing to can easily buy collecting nut 42 in instrument shop appearance, thus house nut 42 and can carry out waste disposal or to make collecting nut 42 be divided into for benchmark with axle center multiple so that above-mentioned collecting nut 42 is assembled into bolt and recycles.
Further, as shown in the photo of Fig. 5, can arranging support 50 or guide member 60 at above-mentioned tractive unit 10, making the direction of pin 1 and the moving direction of piston 21 is that straight line is apparent from.
The pin ejector of the present invention that mode as above is constituted is structured with, namely, if yearning for multiple beating unit 20 by power supply port 22 to be powered producing hit energy, the piston 21 being then arranged at inside proceeds by and moves back and forth, and the end in impact space 13 is impacted by above-mentioned piston 21, make tractive unit 10 produce locomotivity to the off-direction of pin 1, owing to pin 1 is connected with tractive unit 10 by connecting portion 11, thus can easily draw pin 1.
Especially, reciprocal beating unit 20 is formed by the structure identical with liquid braking device, and above-mentioned liquid braking device is operated according to the control of power supply, thus hundreds of above impacts per minute can be produced, further, each hit energy can be made to reach hundreds of kgf.m, thus can easily draw large-scale pin.
Carried out the result tested by the present inventor, when impact per minute 300 times, and when hit energy is 50kgf.m, can easily draw weight be 200kg, length is the pin of 800mm.
Industrial applicability
The pin ejector of the present invention not only can draw construction machinery equipment, also can draw hammer into large-scale stake or the cast steel on ground time, it is adaptable to decompose and be positioned at crane or weight thing props up the pin etc. of connecting portion of support arrangement.

Claims (1)

1. one kind large-scale pin ejector, it is characterised in that
Including:
Tractive unit (10), it is formed with connecting portion (11) in the side of above-mentioned tractive unit (10), above-mentioned connecting portion (11) is connected with the end of the pin (1) hammering into works (2), above-mentioned connecting portion (10) is in rod-shape, outer peripheral face at above-mentioned connecting portion (11) is formed with screw thread, it is formed with receiving space (12) to length direction in the inside of above-mentioned tractive unit (10), impact space (13) it is formed with in the end of above-mentioned receiving space (12), above-mentioned impact space (13) is connected with receiving space (12), and the diameter of above-mentioned impact space (13) is less than the diameter of receiving space (12), the hammering block (14) changed it is provided with in the end of above-mentioned impact space (13)；
Reciprocal beating unit (20), it is arranged at the inside of the receiving space (12) of above-mentioned tractive unit (10), it is inserted with in the side of above-mentioned reciprocal beating unit (20) and carries out, from external reception power, the piston (21) that advances or retreat, above-mentioned piston (21) is formed by liquid braking device, above-mentioned liquid braking device is undertaken advancing or retreating by the supply of power in impact space (13), and the end of impact space (13) is impacted；And
Buffer unit (30), it is arranged at the inside of the receiving space of above-mentioned tractive unit (10), the side of above-mentioned buffer unit (30) is connected with above-mentioned reciprocal beating unit (20), for absorbing by the movable repulsion caused of piston (21)
Above-mentioned connecting portion (11) is provided with reassembling type connecting device (40), above-mentioned reassembling type connecting device (40) is connected with above-mentioned connecting portion (11) to dismount mode, and be fixed with the pin (1) hammering into works (2)
Above-mentioned reassembling type connecting device (40) including:
Secure component (41), it is formed with screw thread at the inner peripheral surface of above-mentioned secure component (41) in the way of being screwed with above-mentioned connecting portion (11), making above-mentioned secure component (41) and above-mentioned connecting portion (11) be fastened or be separated, the outer peripheral face in the side of above-mentioned secure component (41) is formed with screw thread；
House nut (42), it is formed with screw thread in the side of the inner peripheral surface of above-mentioned collecting nut (42), the nut making the outer peripheral face of above-mentioned collecting nut (42) and above-mentioned secure component (41) is fastened, and the opposite side above-mentioned collecting nut (42) is formed with engaging portion (42a)；
The fixing parts (43) of pin, above-mentioned pin is fixed the side of parts (43) and is fixed on above-mentioned pin (1) in a welding manner, opposite side at the fixing parts (43) of above-mentioned pin is formed with wide diameter portion (43a), for being stuck in above-mentioned engaging portion (42a), thus make above-mentioned pin fix parts (43) and be contained in the inside housing nut (42).
CN201610036977.8A 2015-01-20 2016-01-20 Sell ejector Active CN105798588B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0009474 2015-01-20
KR1020150009474A KR101610868B1 (en) 2015-01-20 2015-01-20 Pulling apparatus of pin

Publications (2)

Publication Number Publication Date
CN105798588A true CN105798588A (en) 2016-07-27
CN105798588B CN105798588B (en) 2018-03-20

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CN201610036977.8A Active CN105798588B (en) 2015-01-20 2016-01-20 Sell ejector

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KR (1) KR101610868B1 (en)
CN (1) CN105798588B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113001136B (en) * 2021-02-25 2022-03-15 廊坊中建机械有限公司 Automatic loading and unloading system for standard joint pin shaft of tower crane

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6015136A (en) * 1998-06-15 2000-01-18 Benudiz; Hilel Portable fastener remover apparatus
KR101270866B1 (en) * 2011-03-24 2013-06-05 최이광 Vibration resistant apparatus for breaker
CN203356979U (en) * 2013-07-30 2013-12-25 姜广利 Pin dismounting device
CN203726100U (en) * 2013-11-18 2014-07-23 国耀（肇庆）精密机械制造有限公司 Pin withdrawing mechanism for machining positioning holes
CN204053423U (en) * 2014-09-30 2014-12-31 洛阳拖研动力科技有限公司 A kind of towing pin extracts frock

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101542426B1 (en) 2014-08-06 2015-08-07 최찬수 Guide Rod Removal Device of Brake Caliper for Vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6015136A (en) * 1998-06-15 2000-01-18 Benudiz; Hilel Portable fastener remover apparatus
KR101270866B1 (en) * 2011-03-24 2013-06-05 최이광 Vibration resistant apparatus for breaker
CN203356979U (en) * 2013-07-30 2013-12-25 姜广利 Pin dismounting device
CN203726100U (en) * 2013-11-18 2014-07-23 国耀（肇庆）精密机械制造有限公司 Pin withdrawing mechanism for machining positioning holes
CN204053423U (en) * 2014-09-30 2014-12-31 洛阳拖研动力科技有限公司 A kind of towing pin extracts frock

Also Published As

Publication number Publication date
KR101610868B1 (en) 2016-04-08
CN105798588B (en) 2018-03-20

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Effective date of registration: 20220224

Address after: No. 889-1, DAZHUSHAN North Road, Jiaonan sub district office, Huangdao District, Qingdao, Shandong

Patentee after: Qingdao Baoqiang Solar Energy Technology Co.,Ltd.

Address before: Gyeonggi Do, South Korea

Patentee before: Li Rizai

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Address after: No. 889-1, North Dazhushan Road, Jiaonan Street Office, Huangdao District, Qingdao City, Shandong Province, 266400

Patentee after: Qingdao Baoqiang Energy Technology Co.,Ltd.

Address before: No. 889-1, North Dazhushan Road, Jiaonan Street Office, Huangdao District, Qingdao City, Shandong Province, 266400

Patentee before: Qingdao Baoqiang Solar Energy Technology Co.,Ltd.