CN202560728U - Multi-section screw rod lifting arm - Google Patents

Multi-section screw rod lifting arm Download PDF

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Publication number
CN202560728U
CN202560728U CN2012202138243U CN201220213824U CN202560728U CN 202560728 U CN202560728 U CN 202560728U CN 2012202138243 U CN2012202138243 U CN 2012202138243U CN 201220213824 U CN201220213824 U CN 201220213824U CN 202560728 U CN202560728 U CN 202560728U
Authority
CN
China
Prior art keywords
fixed
support body
bolts
screw mandrel
guide frame
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
CN2012202138243U
Other languages
Chinese (zh)
Inventor
王文秀
周世平
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.)
YUNNAN SANXING MACHINERY EQUIPMENT MANUFACTURING Co Ltd
Original Assignee
YUNNAN SANXING MACHINERY EQUIPMENT MANUFACTURING 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 YUNNAN SANXING MACHINERY EQUIPMENT MANUFACTURING Co Ltd filed Critical YUNNAN SANXING MACHINERY EQUIPMENT MANUFACTURING Co Ltd
Priority to CN2012202138243U priority Critical patent/CN202560728U/en
Application granted granted Critical
Publication of CN202560728U publication Critical patent/CN202560728U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to engineering machines, particularly relates to engineering machines at aspects of overhead work, such as a mechanical arm and an elevator, and discloses a multi-section screw rod lifting arm. The multi-section screw rod lifting arm is composed of a worm reduction gear A with a brake motor, a device connection plate, a moving frame, a ball head screw rod, an internal thread hollow screw rod, a guide frame, a main transmission shaft, a fixing guide frame, a fixing shaft bracket, the brake motor, a worm speed reducer and an electric control device. The lifting arm has the advantages of being small in volume, light in weight, convenient to maintain, capable of conducting lifting by usage of a multi-section screw rod, low in noise due to usage of the worm speed reducer, capable of being installed on an automobile, a traveling mechanism, a fixing frame or other rotating mechanisms and capable of bearing heavy objects by usage of the low motor power.

Description

A kind of more piece screw mandrel elongated boom
Technical field
The utility model relates to engineering machinery, relates to the engineering machinery of mechanism hand, lift and high-lift operation aspect especially.
Background technique
In numerous expansion devices, existing certain heavy burden ability can be again that the expansion device of limited bulk is rare,Particularly for highway, railway tunnel and subway in construction or in daily maintenance; All need the lining in its tunnel is carried out the detection of Security and stability, all need high-lift operation, especially in restricted environment; Under limited bulk; Telescopic brachium, applicability is strong, does not find to have this kind more piece screw mandrel elongated boom so far.
Summary of the invention
The purpose of the utility model is, designs a kind of more piece screw mandrel elongated boom that can be fixed on the stationary axle rack device, and it can stretch out and regain, and can be under the control of electrical equipment, the length that control is stretched out and regained.
The technological scheme of the utility model is: a kind of more piece screw mandrel elongated boom; By strap brake motor worm reduction gear A, equipment connecting plate, movable stand, ball screw, the hollow screw mandrel of internal thread, leading truck, main drive shaft, fixed guide frame, fixedly pedestal, brake motor, worm speed reducer and control apparatus are formed; It is characterized in that: described fixed guide frame is connected with bolt with fixing pedestal through fixed plate; The fixed guide frame is made up of internal fixation slide block A, fixed guide frame support body, inner limited block A, fixed plate, bearing support assembly and worm speed reducer connecting plate; Wherein internal fixation slide block A is fixed by bolts on the inwall on fixed guide frame support body top; Inner limited block A is fixed by bolts on the inwall down of fixed guide frame support body top; Fixed guide frame support body bottom and fixed plate are welded to connect; The bearing support assembly is fixed by bolts on the inwall of fixed guide frame support body of fixed guide frame support body and fixed plate lower end, and the worm speed reducer connecting plate is fixed by bolts under the fixed plate, and main drive shaft is to go in the bearing support assembly intermediate bearing through the thread spindle headgear; Main drive shaft is made up of interior swivel nut, hollow screw axis and screw thread spindle nose; Wherein interior swivel nut and hollow screw axis are with being threaded and with Cock screw locking, hollow screw axis is connected with the thread spindle head thread and locks with Cock screw, and leading truck is made up of internal fixation slide block B, leading truck support body, internal stop B, rectangle inner nut A and outside fix slide block B; Wherein the internal fixation slide block B is fixed by bolts to leading truck support body top; Internal stop B is fixed by bolts on the inwall down of leading truck support body top, and rectangle inner nut A is fixed by bolts on the inwall of leading truck support body bottom, and the outside fix slide block B is fixed by bolts on the outer wall of leading truck support body bottom; Leading truck is that the hollow screw axis through the hollow screw mandrel of rectangle inner nut A suit internal thread is connected with it; Pack into the interior swivel nut of main drive shaft of the hollow screw mandrel of the hollow screw mandrel of internal thread is connected with it, ball screw the screw mandrel position pack that swivel nut B is connected with it in the rectangle of the hollow screw mandrel of internal thread into, the hollow screw mandrel of internal thread is by swivel nut B in the rectangle, hollow screw mandrel, spacer, fixedly sliding sleeve and locknut are formed; Wherein in the rectangle swivel nut B and hollow screw mandrel with being threaded and locking with Cock screw; Spacer and fixedly sliding sleeve be inserted in hollow screw mandrel bottom and with locknut pinning, movable stand is made up of bulb positioning disk, movable stand support body, stiffening plate, positioning sliding block C and locating slide sleeve C, wherein the bulb positioning disk is inserted at the bulb position of ball screw; The bulb positioning disk is fixed by bolts on the equipment connecting plate; Equipment connecting plate, ball screw and bulb positioning disk are inserted in movable stand support body top are fixed on movable stand support body top to the equipment connecting plate with bolt, positioning sliding block C is fixed by bolts on the outer wall of movable stand support body bottom and on the stiffening plate of movable stand support body inwall, is inserted in the ball screw bottom to locating slide sleeve C again and wears into hezagon castle nut.
Screw thread spindle nose Lower Half on the described main drive shaft worm speed reducer of packing into; Worm speed reducer is fixed by bolts on the worm speed reducer connecting plate; The brake motor is fixed by bolts on the worm speed reducer; The output shaft of strap brake motor worm reduction gear A inserts ball screw top, and is connected with bolt with the equipment connecting plate.
During described brake electrical power, worm speed reducer work drives main drive shaft and rotates, and the rotation of main drive shaft drives moving up and down of strap brake motor worm reduction gear A, equipment connecting plate, movable stand, ball screw, the hollow screw mandrel of internal thread and leading truck; When the outside fix slide block B was run into the sensors A on the inner limited block A, sensors A outputed signal to control apparatus, and control apparatus makes the brake motor not work, and control apparatus makes strap brake motor worm reduction gear A work.Because the brake motor is not worked; Stopped the rotation of main drive shaft; Strap brake motor worm reduction gear A, equipment connecting plate, movable stand, ball screw, the hollow screw mandrel of internal thread and leading truck stop to move up, and this moment is because the work of brake motor worm reduction gear A drives ball screw in the hollow screw mandrel rotation of internal thread; The hollow screw mandrel of internal thread is motionless; Ball screw moves up and down in rotation and drives strap brake motor worm reduction gear A, equipment connecting plate and movable stand and moves up and down, and when outside fix slide block C met the sensor B on the internal stop B, sensor B outputed signal to control apparatus; Control apparatus makes strap brake motor worm reduction gear A quit work, and has stopped strap brake motor worm reduction gear A, ball screw, equipment connecting plate and movable stand excessively and has moved up; When the sensor C on fixed guide frame support body top is met on leading truck support body top; Sensor C outputs signal to control apparatus; Control apparatus makes the brake motor not work, and has stopped moving down of strap brake motor worm reduction gear A, equipment connecting plate, movable stand, ball screw, the hollow screw mandrel of internal thread and leading truck; When the sensor D on leading truck support body top is met on movable stand support body top; Sensor D outputs signal to control apparatus; Control apparatus makes strap brake motor worm reduction gear A quit work, and has stopped moving down of strap brake motor worm reduction gear A, ball screw, equipment connecting plate and movable stand.
More piece screw mandrel elongated boom assembling sequence is: swivel nut B is inserted in ball screw in bulb positioning disk and the rectangle; Be inserted in the ball screw bottom to locating slide sleeve C again and pin with hezagon castle nut and cotter pin; Be inserted in hollow screw mandrel to this builtup member; Swivel nut B and hollow screw mandrel are inserted in hollow screw mandrel to interior swivel nut with being threaded and locking with Cock screw in the rectangle, and reaching spacer fixedly, sliding sleeve is inserted in hollow screw mandrel bottom and pins with locknut; Again interior swivel nut and hollow screw axis with being threaded and locking with Cock screw; Hollow screw axis is connected with the thread spindle head thread and with Cock screw locking, A is inserted in hollow screw axis the rectangle inner nut, is inserted in internal fixation slide block A and inner limited block A the leading truck support body is inserted in rectangle inner nut A to this assembly again and is fixed by bolts to leading truck support body bottom on the rectangle inner nut A and the outside fix slide block B to be fixed by bolts on the outer wall of leading truck support body bottom; Be inserted in the movable stand support body to internal fixation slide block B and internal stop B; Be fixed by bolts to positioning sliding block C on the outer wall of movable stand support body bottom and on the stiffening plate of movable stand support body inwall and this part and be inserted between leading truck support body and the main drive shaft, and be fixed by bolts to internal stop B on the inwall down of leading truck support body top, the internal fixation slide block B is fixed by bolts to leading truck support body top; The fixed guide frame support body of packing into top; And be fixed by bolts to inner limited block A on the inwall down of fixed guide frame support body top, internal fixation slide block A is fixed by bolts on the inwall on fixed guide frame support body top, and bearing support assembly intermediate bearing is inserted in the thread spindle head; And tighten with locking nut; Main drive shaft can only be rotated can not move up and down, and the bearing support assembly is fixed by bolts on the inwall of fixed guide frame support body of fixed guide frame support body and fixed plate lower end, and the worm speed reducer connecting plate is fixed by bolts under the fixed plate; Worm speed reducer is fixed by bolts on the worm speed reducer connecting plate; The brake motor is fixed by bolts on the worm speed reducer, and the bulb positioning disk is fixed by bolts on the equipment connecting plate, and the equipment connecting plate is fixed by bolts to movable stand support body top; The output shaft of strap brake motor worm reduction gear A inserts ball screw top, and is connected with bolt with the equipment connecting plate.
The advantage of the utility model is; Volume is little, in light weight, easy to maintenance and adopt multistage screw mandrel to go up and down; Owing to adopt the worm speed reducer noise little, can be contained on the automobile, on the traveller, fixing frame or on other rotating machinery, and adopt less power of motor just can carry heavier object.
Description of drawings
Fig. 1 looks sectional view for the utility model more piece screw mandrel elongated boom master.
Fig. 2 looks sectional view for the utility model equipment connecting plate master.
Fig. 3 is the utility model equipment connecting plate plan view.
Fig. 4 looks sectional view for the utility model movable stand master.
Fig. 5 is the utility model ball screw plan view.
Fig. 6 is the utility model ball screw plan view.
Fig. 7 looks sectional view for the hollow screw mandrel master of the utility model internal thread.
Fig. 8 looks sectional view for the utility model leading truck master.
Fig. 9 looks partial sectional view for the utility model main drive shaft master.
Figure 10 looks sectional view for the utility model fixed guide frame master.
Figure 11 is the utility model fixed plate plan view.
Figure 12 is the utility model fixed plate side view.
Figure 13 is the utility model fixed plate plan view.
Among the figure:1 is strap brake motor worm reduction gear A; 2 is the equipment connecting plate; 3 is movable stand; 4 is ball screw; 5 is the hollow screw mandrel of internal thread; 6 is leading truck; 7 is main drive shaft; 8 is the fixed guide frame; 9 are fixing pedestal; 10 are the brake motor; 11 is worm speed reducer; 3.1 be the bulb positioning disk; 3.2 be the movable stand support body; 3.3 be stiffening plate; 3.4 be positioning sliding block C; 3.5 be locating slide sleeve C; 5.1 be swivel nut B in the rectangle; 5.2 be hollow screw mandrel; 5.3 be spacer; 5.4 be fixing sliding sleeve; 5.5 be locknut; 6.1 be the internal fixation slide block B; 6.2 be the leading truck support body; 6.3 be internal stop B; 6.4 be rectangle inner nut A; 6.5 be the outside fix slide block B; 7.1 be interior swivel nut; 7.2 be hollow screw axis; 7.3 be the screw thread spindle nose; 8.1 be internal fixation slide block A; 8.2 be fixed guide frame support body; 7 is main drive shaft; 8.3 be inner limited block A; 8.4 be fixed plate; 8.5 be the bearing support assembly; 8.6 be the worm speed reducer connecting plate.
Embodiment
the utility model is not limited to embodiment.
1, the utility model more piece screw mandrel elongated boom physical dimension (mm of unit): maximum boundary dimension: the thick X of wide X high (can decide as requested).Maximum load capacity: can decide as requested.Shrink the back minimum dimension: the thick X of wide X high (can decide as requested).
2, this case equipment connecting plate adopts the Q235A in 100X168 thickness 22, studs with thick 2 thick polyvinylfluorides at spherical arc and is made.
3, the bulb positioning disk (3.1) of this case movable stand adopts 55X55X18 Q235A to be made, and spherical arc studs with thick 1.5 thick polyvinylfluorides; Movable stand support body (3.2) adopts the long 1038 stainless steel square tubes of 60X60X2 and is welded with housing size 100X100, and the inside casing size is that the Q235A plate of 60X60 thick 8 is made; It is 60X60 that outside fix slide block B (3.4) adopts the inside casing size, and the housing size is 72X72, and thick 26 Q235A is made, and studs with polyvinylfluoride at housing; Locating slide sleeve C (3.5) adopts polyvinylfluoride to make.
4, this case ball screw (4), bulb diameter, screw thread are that T18X3X4 total length is 1000, adopt the 40Cr adjustment to process.
5, swivel nut B (5.1) in the rectangle of the hollow screw mandrel of this case internal thread (5), the housing size is that 52X52 is thick 70, internal thread is respectively that T18X3X4 head, M32X1.5 adopt spheroidal graphite cast iron to process; Hollow screw mandrel (5.2), internal diameter, outer-diameter threads is respectively that T32X3X4 head, M32X1.5 and M27X1 adopt that 40Cr is modified to process; Fixedly sliding sleeve (5.4) adopts polyvinylfluoride to make.
6, the internal fixation slide block B (6.1) of this case leading truck (6) employing inside casing size is 65X65, and the housing size is 75X75, and thick 26 Q235A is made, and studs with polyvinylfluoride at inside casing; Leading truck support body (6.2) adopts the long 1070 stainless steel square tubes of 80X80X2.5 and is welded with housing size 100X100, and the inside casing size is that the corrosion resistant plate of 80X80 thick 3 is made; It is 65X65 that internal stop B (6.3) adopts the inside casing size, and the housing size is 75X75, and thick 25 cast iron is made; It is the T52X3X4 head that rectangle inner nut A (6.4) adopts the inside casing thread size, and the housing size is 75X75, and thick 45 spheroidal graphite cast iron is made; It is 80X80 that outside fix slide block B (6.5) adopts inside casing, and the housing size is 91X91, thick 26, and the Q235A that studs with polyvinylfluoride at housing is made.
7, to adopt the internal diameter whorl size be respectively T32X3X4 head and M44X1 to the interior swivel nut (7.1) of this case main drive shaft (7), and outside dimension is, thick 70, adopts that 40Cr is modified to process; It is respectively T52X3X4 head and M44X1 that hollow screw axis (7.2) adopts the outer-diameter threads size, and internal diameter size is respectively and screw thread M34X1.5, adopts that 40Cr is modified to process; Screw thread spindle nose (7.3) adopts that 40Cr is modified to process.
8, the internal fixation slide block A (8.1) of fixed guide frame (8) employing inside casing size is 85X85, and the housing size is 95X95, and thick 26 Q235A is made, and studs with polyvinylfluoride at inside casing; Fixed guide frame support body (8.2) adopts the long 1150 stainless steel square pipes of 100X100X2.5 to make and forms; It is 85X85 that inner limited block A (8.3) adopts the inside casing size, and the housing size is 95X95, and thick 25 cast iron is made, and 8.4 are made for fixed plate employing Q235 plate.
9, this case first order (the long 1070 stainless steel square tubes of 80X80) extrusion is 820, and the second level (the long 1070 stainless steel square tubes of 60X60) extrusion is 820.
Other component can be made with reference to Figure of description; And according to following order and install: assembling sequence is: swivel nut B is inserted in ball screw in bulb positioning disk and the rectangle; Be inserted in the ball screw bottom to locating slide sleeve C again and pin with hezagon castle nut and cotter pin, be inserted in hollow screw mandrel to this builtup member, swivel nut B and hollow screw mandrel are with being threaded and locking with Cock screw in the rectangle; Be inserted in hollow screw mandrel to interior swivel nut; Spacer and fixedly sliding sleeve be inserted in hollow screw mandrel bottom and pin with locknut, again interior swivel nut and hollow screw axis with being threaded and locking with Cock screw, hollow screw axis is connected with the thread spindle head thread and locks with Cock screw; A is inserted in hollow screw axis the rectangle inner nut; Be inserted in the leading truck support body to internal fixation slide block A and inner limited block A and be inserted in this assembly rectangle inner nut A and be fixed by bolts to rectangle inner nut A to leading truck support body bottom again and go up and be fixed by bolts to the outside fix slide block B on the outer wall of leading truck support body bottom, be inserted in the movable stand support body to internal fixation slide block B and internal stop B, be fixed by bolts to positioning sliding block C on the stiffening plate that reaches movable stand support body inwall on the outer wall of movable stand support body bottom and and be inserted between leading truck support body and the main drive shaft this part; And be fixed by bolts to internal stop B on the inwall down of leading truck support body top; The internal fixation slide block B is fixed by bolts to leading truck support body top, the fixed guide frame support body of packing into top, and is fixed by bolts to inner limited block A on the inwall down of fixed guide frame support body top; Internal fixation slide block A is fixed by bolts on the inwall on fixed guide frame support body top; Bearing support assembly intermediate bearing is inserted in the thread spindle head, and tightens with locking nut, and main drive shaft can only be rotated can not move up and down; The bearing support assembly is fixed by bolts on the inwall of fixed guide frame support body of fixed guide frame support body and fixed plate lower end; The worm speed reducer connecting plate is fixed by bolts under the fixed plate, and worm speed reducer is fixed by bolts on the worm speed reducer connecting plate, and the brake motor is fixed by bolts on the worm speed reducer; The bulb positioning disk is fixed by bolts on the equipment connecting plate; The equipment connecting plate is fixed by bolts to movable stand support body top, and the output shaft of strap brake motor worm reduction gear A inserts ball screw top, and is connected with bolt with the equipment connecting plate.

Claims (2)

1. more piece screw mandrel elongated boom; By strap brake motor worm reduction gear A, equipment connecting plate, movable stand, ball screw, the hollow screw mandrel of internal thread, leading truck, main drive shaft, fixed guide frame, fixedly pedestal, brake motor, worm speed reducer and control apparatus are formed; It is characterized in that: described fixed guide frame is connected with bolt with fixing pedestal through fixed plate; The fixed guide frame is made up of internal fixation slide block A, fixed guide frame support body, inner limited block A, fixed plate, bearing support assembly and worm speed reducer connecting plate; Wherein internal fixation slide block A is fixed by bolts on the inwall on fixed guide frame support body top; Inner limited block A is fixed by bolts on the inwall down of fixed guide frame support body top; Fixed guide frame support body bottom and fixed plate are welded to connect; The bearing support assembly is fixed by bolts on the inwall of fixed guide frame support body of fixed guide frame support body and fixed plate lower end, and the worm speed reducer connecting plate is fixed by bolts under the fixed plate, and main drive shaft is to go in the bearing support assembly intermediate bearing through the thread spindle headgear; Main drive shaft is made up of interior swivel nut, hollow screw axis and screw thread spindle nose; Wherein interior swivel nut and hollow screw axis are with being threaded and with Cock screw locking, hollow screw axis is connected with the thread spindle head thread and locks with Cock screw, and leading truck is made up of internal fixation slide block B, leading truck support body, internal stop B, rectangle inner nut A and outside fix slide block B; Wherein the internal fixation slide block B is fixed by bolts to leading truck support body top; Internal stop B is fixed by bolts on the inwall down of leading truck support body top, and rectangle inner nut A is fixed by bolts on the inwall of leading truck support body bottom, and the outside fix slide block B is fixed by bolts on the outer wall of leading truck support body bottom; Leading truck is that the hollow screw axis through the hollow screw mandrel of rectangle inner nut A suit internal thread is connected with it; Pack into the interior swivel nut of main drive shaft of the hollow screw mandrel of the hollow screw mandrel of internal thread is connected with it, and packing in the screw mandrel position of ball screw, swivel nut B is connected with it in the rectangle of the hollow screw mandrel of internal thread, and the hollow screw mandrel of internal thread is by swivel nut B in the rectangle, hollow screw mandrel, spacer, fixedly sliding sleeve and locknut are formed; Wherein in the rectangle swivel nut B and hollow screw mandrel with being threaded and locking with Cock screw; Spacer and fixedly sliding sleeve be inserted in hollow screw mandrel bottom and with locknut pinning, movable stand is made up of bulb positioning disk, movable stand support body, stiffening plate, positioning sliding block C and locating slide sleeve C, wherein the bulb positioning disk is inserted at the bulb position of ball screw; The bulb positioning disk is fixed by bolts on the equipment connecting plate; Equipment connecting plate, ball screw and bulb positioning disk are inserted in movable stand support body top are fixed on movable stand support body top to the equipment connecting plate with bolt, positioning sliding block C is fixed by bolts on the outer wall of movable stand support body bottom and on the stiffening plate of movable stand support body inwall, is inserted in the ball screw bottom to locating slide sleeve C again and wears into hezagon castle nut.
2. according to a kind of more piece screw mandrel elongated boom of claim 1; It is characterized in that: the worm speed reducer of packing into of the screw thread spindle nose Lower Half on the described main drive shaft; Worm speed reducer is fixed by bolts on the worm speed reducer connecting plate; The brake motor is fixed by bolts on the worm speed reducer, and the output shaft of strap brake motor worm reduction gear A inserts ball screw top, and is connected with bolt with the equipment connecting plate.
CN2012202138243U 2012-05-14 2012-05-14 Multi-section screw rod lifting arm Expired - Fee Related CN202560728U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012202138243U CN202560728U (en) 2012-05-14 2012-05-14 Multi-section screw rod lifting arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012202138243U CN202560728U (en) 2012-05-14 2012-05-14 Multi-section screw rod lifting arm

Publications (1)

Publication Number Publication Date
CN202560728U true CN202560728U (en) 2012-11-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012202138243U Expired - Fee Related CN202560728U (en) 2012-05-14 2012-05-14 Multi-section screw rod lifting arm

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Country Link
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104058351A (en) * 2013-10-22 2014-09-24 安徽恒诺机电科技有限公司 Lifting tower based on two-stage lead screw
CN104298250A (en) * 2014-08-15 2015-01-21 浙江大学 Hydrophone automatic lifting and swinging mechanism with two stages of telescopic lead screws
CN104454839A (en) * 2014-11-19 2015-03-25 浙江捷昌线性驱动科技股份有限公司 Extension tube linkage device
CN104578562A (en) * 2014-12-26 2015-04-29 张家港斯克斯精密机械科技有限公司 Large-stroke multi-section linear actuator mechanism
CN105382120A (en) * 2015-12-25 2016-03-09 东莞市瑞辉机械制造有限公司 Punching machine and mechanical arm installation rod thereof
CN106224478A (en) * 2016-08-26 2016-12-14 王建波 Multistage leading screw is combined in new-type rolling friction
CN110308164A (en) * 2019-08-09 2019-10-08 黄石上方检测设备有限公司 A kind of Storage Tank seam inspection device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104058351A (en) * 2013-10-22 2014-09-24 安徽恒诺机电科技有限公司 Lifting tower based on two-stage lead screw
CN104298250A (en) * 2014-08-15 2015-01-21 浙江大学 Hydrophone automatic lifting and swinging mechanism with two stages of telescopic lead screws
CN104454839A (en) * 2014-11-19 2015-03-25 浙江捷昌线性驱动科技股份有限公司 Extension tube linkage device
CN104578562A (en) * 2014-12-26 2015-04-29 张家港斯克斯精密机械科技有限公司 Large-stroke multi-section linear actuator mechanism
CN104578562B (en) * 2014-12-26 2017-02-01 张家港斯克斯精密机械科技有限公司 Large-stroke multi-section linear actuator mechanism
CN105382120A (en) * 2015-12-25 2016-03-09 东莞市瑞辉机械制造有限公司 Punching machine and mechanical arm installation rod thereof
CN106224478A (en) * 2016-08-26 2016-12-14 王建波 Multistage leading screw is combined in new-type rolling friction
CN110308164A (en) * 2019-08-09 2019-10-08 黄石上方检测设备有限公司 A kind of Storage Tank seam inspection device

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20121128

Termination date: 20200514