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CN201009076Y - Nut disassembling machine special for against-theft - Google Patents

Nut disassembling machine special for against-theft Download PDF

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Publication number
CN201009076Y
CN201009076Y CNU200720078880XU CN200720078880U CN201009076Y CN 201009076 Y CN201009076 Y CN 201009076Y CN U200720078880X U CNU200720078880X U CN U200720078880XU CN 200720078880 U CN200720078880 U CN 200720078880U CN 201009076 Y CN201009076 Y CN 201009076Y
Authority
CN
China
Prior art keywords
drift
punch head
support set
nut
hole
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.)
Expired - Fee Related
Application number
CNU200720078880XU
Other languages
Chinese (zh)
Inventor
肖维远
伊松年
石宏原
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 Meishan Co Ltd
Original Assignee
CSR Meishan Rolling Stock 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 CSR Meishan Rolling Stock Co Ltd filed Critical CSR Meishan Rolling Stock Co Ltd
Priority to CNU200720078880XU priority Critical patent/CN201009076Y/en
Application granted granted Critical
Publication of CN201009076Y publication Critical patent/CN201009076Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a special anti-theft nut detacher, comprising a hydraulic oil pump and a nut detacher which are respectively connected with the two ends of an oil supply pipe. The nut detacher mainly comprises a supporting block, a support which is of a horizontal arm and is vertically fixed on the support block, an oil cylinder arranged on the horizontal arm of the support; a punch head support sleeve which is fixed at the lower part of the cavity of the oil cylinder; a bearing tray arranged under the support sleeve; a punch head, a taper-shaped inner hole with teeth is arranged at the bottom of the punch head, and the top of the punch head passes through the bearing tray and a through hole of the punch head support sleeve, and the punch head extrudes into the lower cavity of the hydraulic oil cylinder; a spring, the top of the spring is limited by the lower cavity of the oil cylinder, and the bottom of the spring is limited by the top of the punch head; a wrench which is ringed at the punch head under the support sleeve; a mechanism which fixes the bearing tray to the punch head; and a mechanism which limits the top of the punch head on the punch head support sleeve. The utility model has the outstanding advantages of simple structure, convenient operation, low manufacturing cost, quick and labour-saving detaching.

Description

A kind of special-purpose anti-theft nut demountor
Technical field
The utility model relates to a kind of special dismounting equipment of anti-theft nut special dismounting equipment, the especially disclosed anti-theft nut of Chinese patent ZL200420065244.X.
Background technology
The clamp nut of existing railway brake machine valve class is owing to outside being exposed to, in order to prevent that nut from illegally being dismantled, adopt the anti-theft nut structure, as the disclosed anti-theft nut that is made of hexagonal spiral shell head and taper spiral shell body of Chinese patent ZL200420065244.X.Since for thin-walled is connected, screw the spiral shell head when twisting into two parts torsion between the spiral shell head of this nut and the spiral shell body with common wrench, spiral shell head and the disconnection of spiral shell body, and the spiral shell body promptly has anti-theft feature, workpiece can't be dismantled with the hand-operated tools of routine.If setter need be from workpiece dismounting anti-theft nut the time, owing to there is not specific purpose tool, can only adopt destructive dismounting, not only trouble is also time-consuming but in actual applications.
The utility model content
Goal of the invention of the present utility model is: at dismounting the existing practical difficulty of workpiece of the described anti-theft nut of ZL200420065244.X is housed, for the user provides a kind of simple in structure, easy to operate, a kind of special-purpose anti-theft nut demountor that manufacturing cost is lower.
Goal of the invention of the present utility model realizes by implementing following technical proposals:
A kind of special-purpose anti-theft nut demountor, by being formed with hydraulic oil pump and nut dismounting main frame that the petroleum pipeline two ends are connected respectively, it is characterized in that: nut dismounting main frame mainly is made of following assembly: the back-up block of placing the dismounting workpiece, fix and have the cylinder bracket of horizontal arm perpendicular to this mesa top, vertically be set in the hydraulic jack in this support level arm installing hole, be fixed on this oil cylinder cavity lower end the drift support set of vertical through hole is arranged, be loaded on the stressed pad of its vertical through hole and the vertical through hole corresponding matching of drift support set below this support set, the bottom has the through hole that its top of taper band tooth endoporus penetrates stressed pad and drift support set, and stretch into the drift of hydraulic jack cavity bottom, it is spacing by this oil cylinder bottom to be contained in hydraulic jack cavity inner top, the bottom is by the spacing spring in drift top, be sleeved on the spanner on the drift below the stressed pad, the mechanism that stressed pad and drift top is fixing, and the mechanism that drift is limited in the drift support set constituted.
Described drift is limited in the mechanism of drift support set, being meant has pin location counterbore on the vertical through hole of drift support set, is inserted in the location pin on drift top by dress, and drift is limited in the drift support set.
The described mechanism that stressed pad and drift top is fixing is meant on stressed pad sidewall, is shaped on the screw that through hole level vertical with it connects, and is inserted in hold-down screw in this screw by dress, and stressed pad and drift top are fixed as one.
Described hydraulic oil pump is a manual hydraulic oil pump.
Vertical on the horizontal arm of oil cylinder bracing frame spacing maintenance bar is housed.
Between back-up block and dismounting workpiece, be provided with and the adaptive cushion block of workpiece.
Adopt the demountor of above structure, with the workpiece of anti-theft nut to be removed, be placed on the back-up block of nut dismounting main frame, corresponding cushion block is laid to guarantee drift perpendicular alignmnet nut to be torn open in the workpiece bottom; The primer fluid pressure oil pump, oil pressure enters hydraulic jack by petroleum pipeline, oil cylinder decline affacts pressure on the stressed pad by the drift support set and drives drift and descends near the nut to be torn open on the workpiece, this moment, spring was compressed, continue pressurization, drift bottom and anti-theft nut are contacted fully and the pressed-in nut surface; Make the hydraulic oil pump release then, the oil cylinder retraction, the compression spring reset in the cavity, drift is motionless to the drift support set is separated with stressed pad; Then anti-theft nut is disassembled by the spanner that is sleeved on the punch body.
Outstanding advantage of the present utility model is: whole nut demountor is made up of hydraulic oil pump that connects by petroleum pipeline and nut dismounting main frame, have simple in structure, easy to operate, manufacturing cost is lower, the characteristics of unloading process convenient power-saving.
Description of drawings
Fig. 1 is the utility model anti-theft nut demountor structure principle chart.
Fig. 2 is the A place partial enlarged drawing of Fig. 1.
Mark among the figure: 1 is back-up block, and 2 is support, and 3 is drift, 4 is spanner, and 5 is cushion block, and 6 is the horizontal arm of cylinder bracket, 7 is spring, and 8 is the drift support set, and 9 is stressed pad, 10 is hydraulic pump, and 11 is hydraulic jack, and 12 is oil pipe, 13 is the unloader handle of hydraulic oil pump, and 14 for keeping bar, and 15 is hold-down screw, 16 is the drift top, and 17 is the taper band tooth endoporus of drift bottom, and 18 are the location pin.
The specific embodiment
As shown in Figure 1, 2: this machine is by being formed with manual hydraulic oil pump 10 and nut dismounting main frame that petroleum pipeline 12 two ends are connected respectively; Nut dismounting main frame is mainly by the back-up block 1 of placing the dismounting workpiece, fixing and perpendicular to this back-up block 1, the top has the cylinder bracket 2 of horizontal arm 6, vertically be set in the hydraulic jack 11 in the installing hole of this bracing frame horizontal arm 6, the drift support set 8 of vertical through hole is being connected in the lower end of these oil cylinder 11 cavitys, the stressed pad 9 of its vertical through hole and drift support set 8 vertical through hole corresponding matching is housed below this support set 8, the termination, bottom has taper band tooth endoporus 17, and its top 16 penetrates stressed pad 9 through holes and drift support set 8 through holes in regular turn, and stretch into the drift 3 of hydraulic jack 11 cavity bottoms, be contained in hydraulic jack 11 cavitys, the top is spacing by these oil cylinder 11 bottoms, the bottom is by the spacing spring 7 in drift top 16, and the assemblies such as spanner that are sleeved on the drift 3 below the stressed pad 9 constitute; There is pin location counterbore to cooperate on the vertical through hole on the location pin 18 that is inserted in drift top 16 by dress and the drift support set 8, drift 3 is limited in the drift support set 8; Be inserted in the hold-down screw 15 in the screw on stressed pad 9 sidewalls by dress, stressed pad 9 is fixed as one with drift 3.
When the anti-theft nut on the dismounting workpiece, the unloader handle 13 of manual hydraulic oil pump is screwed clockwise, primer fluid pressure oil pump 10, oil pressure enters hydraulic jack 11 by petroleum pipeline, oil cylinder 11 declines affact pressure on the stressed pad 9 by drift support set 8 and drive drift 3 and descend near the nut to be torn open on the workpiece, this moment, spring 7 was compressed, and put down spacing maintenance bar 14, made the fixed-site of workpiece and drift 3; Continuing pressurization contacts drift 3 and anti-theft nut and the pressed-in nut surface fully; Unloader handle 13 inhours of hydraulic oil pump 10 are rotated, make hydraulic oil pump 10 releases, hydraulic jack 11 bounces back at this moment, and the compression spring reset in the cavity is separated drift support set 8 and stressed pad 9; The unloader handle 13 of locking hydraulic oil pump 10 keeps the position of drift 3 motionless, and inhour is rotated spanner 4 on the drift 3 anti-theft nut of dismantling; Unclamp unloader handle 13 after dismounting is finished, make hydraulic jack 11 retractions, prepare for dismantling other anti-theft nut.

Claims (6)

1. special-purpose anti-theft nut demountor, by being formed with hydraulic oil pump (10) and nut dismounting main frame that petroleum pipeline (12) two ends are connected respectively, it is characterized in that: nut dismounting main frame is mainly by back-up block (1), fix and have the support (2) of horizontal arm (6) perpendicular to this back-up block (1) top, vertically be set in the hydraulic jack (11) in this support level arm (6) installing hole, be fixed on this oil cylinder (11) cavity lower end the drift support set (8) of vertical through hole is arranged, be loaded on following its vertical through hole of this support set (8) and the stressed pad (9) of the vertical through hole corresponding matching of drift support set, the bottom has the through hole that its top of taper band tooth endoporus (17) (16) penetrates stressed pad (9) and drift support set (8), and stretch into the drift (3) of hydraulic jack (11) cavity bottom, it is spacing by this oil cylinder (11) bottom to be contained in hydraulic jack (11) cavity inner top, the bottom is by drift top (16) spacing spring (7), be sleeved on the spanner (4) on the following drift (3) of stressed pad (9), the mechanism that stressed pad (9) and drift top (16) is fixing, and the mechanism that drift (3) is limited in drift support set (8) constituted.
2. according to the described special-purpose anti-theft nut demountor of claim 1, it is characterized in that: the described mechanism that drift (3) is limited in drift support set (8), be meant on the vertical through hole of drift support set (8) the location counterbore is arranged, be inserted in the location pin (18) on drift top (16) by dress, drift (3) is limited in the drift support set (8).
3. according to the described special-purpose anti-theft nut demountor of claim 1, it is characterized in that: described stressed pad (9) and the fixing mechanism in drift top (16), be meant on stressed pad (9) sidewall, be shaped on the screw that through hole level vertical with it connects, be inserted in hold-down screw (15) in this screw by dress, stressed pad (9) and drift (3) are fixed as one.
4. according to the described special-purpose anti-theft nut demountor of claim 1, it is characterized in that: described hydraulic oil pump (10) is a manual hydraulic oil pump.
5. according to the described special-purpose anti-theft nut demountor of claim 1, it is characterized in that: maintenance bar (14) is housed on the horizontal arm (6) of cylinder bracket.
6. according to the described special-purpose anti-theft nut demountor of claim 1, it is characterized in that: between back-up block (1) and dismounting workpiece, be provided with and the adaptive cushion block (5) of workpiece.
CNU200720078880XU 2007-03-28 2007-03-28 Nut disassembling machine special for against-theft Expired - Fee Related CN201009076Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200720078880XU CN201009076Y (en) 2007-03-28 2007-03-28 Nut disassembling machine special for against-theft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200720078880XU CN201009076Y (en) 2007-03-28 2007-03-28 Nut disassembling machine special for against-theft

Publications (1)

Publication Number Publication Date
CN201009076Y true CN201009076Y (en) 2008-01-23

Family

ID=39044009

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU200720078880XU Expired - Fee Related CN201009076Y (en) 2007-03-28 2007-03-28 Nut disassembling machine special for against-theft

Country Status (1)

Country Link
CN (1) CN201009076Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111098132A (en) * 2020-01-21 2020-05-05 浙江中电防盗紧固件有限公司 Automatic steel ball filling device for antitheft nut

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111098132A (en) * 2020-01-21 2020-05-05 浙江中电防盗紧固件有限公司 Automatic steel ball filling device for antitheft nut
CN111098132B (en) * 2020-01-21 2024-06-04 浙江中电防盗紧固件有限公司 Automatic steel ball filling device for anti-theft nut

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: CSR MEISHAN VEHICLE CO., LTD.

Free format text: FORMER OWNER: MEISHAN CAR MFG. FACTORY OF CHINA NANCHE GROUP

Effective date: 20080822

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20080822

Address after: Chongren Town, Dongpo District, Sichuan City, Meishan Province, China: 620032

Patentee after: Nanche Meishan Rolling Stock Co., Ltd.

Address before: Chongren Town, Meishan City, Sichuan Province, China: 620000

Patentee before: Meishan Rolling Stock Plant, China Nanche Group

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080123

Termination date: 20160328

CF01 Termination of patent right due to non-payment of annual fee