CN202988643U - Auxiliary contraction type lifting rod - Google Patents

Auxiliary contraction type lifting rod Download PDF

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Publication number
CN202988643U
CN202988643U CN 201220737461 CN201220737461U CN202988643U CN 202988643 U CN202988643 U CN 202988643U CN 201220737461 CN201220737461 CN 201220737461 CN 201220737461 U CN201220737461 U CN 201220737461U CN 202988643 U CN202988643 U CN 202988643U
Authority
CN
China
Prior art keywords
layer sleeve
sleeve pipe
fixed pulley
type lifting
lifting bar
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 - Lifetime
Application number
CN 201220737461
Other languages
Chinese (zh)
Inventor
夏兴海
田贵川
姜渝
刘银
雷龙
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.)
Chongqing Huawei Industrial Group Co Ltd
Original Assignee
Chongqing Huawei Industrial Group 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 Chongqing Huawei Industrial Group Co Ltd filed Critical Chongqing Huawei Industrial Group Co Ltd
Priority to CN 201220737461 priority Critical patent/CN202988643U/en
Application granted granted Critical
Publication of CN202988643U publication Critical patent/CN202988643U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a nested linkage type lifting rod, in particular to an auxiliary contraction type lifting rod. The auxiliary contraction type lifting rod comprises more than or equal to three layers of sleeves, steel wire rope sets, pulley blocks and a winch box; the sleeves form the linkage type lifting rod through the steel wire rope sets and the pulley blocks; a contraction adjustment device is arranged in the innermost layer of the sleeve and comprises an elastic component and a connection piece; one end of the elastic component is fixedly connected with the innermost layer of the sleeve, and the other end of the elastic component is connected with the second innermost layer of the sleeve through the connection piece; and the auxiliary contraction type lifting rod is simple in structure, convenient to operate, and low in processing cost, and can automatically descend under the no-load, light-loading and inclining conditions.

Description

A kind of auxiliary contraction type lifting bar
Technical field
The utility model relates to a kind of intussusception interlinking lifting bar, specifically a kind of auxiliary contraction type lifting bar.
Background technology
Existing intussusception interlinking lifting bar mainly is made of the body of rod, steel rope or fabric belt, pulley and capstan box etc., the gravity that this lifting bar produces by deadweight and load in the decline process impels its contraction that descends, and its weak point is that lifting bar can not automatic descending when zero load, underloading and inclination.
China specification sheets CN102313119A discloses a kind of capstan-type manual lifting rod, this lifting bar can not automatic descending when unloaded, underloading and the inclination in order to solve lifting bar, reach and allow the purpose of lifting bar automatic descending, by be provided with another group steel rope on lifting bar, operate steel rope by capstan box and by force its lifting bar is shunk closure, but this lifting rod structure is complicated, operation inconvenience, fault rate is high, and the tooling cost of lifting bar is high.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of auxiliary contraction type lifting bar, and this lifting rod structure is simple, easy to operate, tooling cost is low, can carry out automatic descending when zero load, underloading and inclination.
In order to solve the problems of the technologies described above, a kind of auxiliary contraction type lifting bar of the utility model, comprise the sleeve pipe, steel rope group, assembly pulley and the capstan box that are no less than 3 layers, described sleeve pipe forms the interlock lifting bar by steel rope group and assembly pulley, be provided with the contraction setting device in described innermost layer sleeve pipe, described contraction setting device comprises elastic element and attaching parts, and described elastic element one end is captiveed joint with described innermost layer sleeve pipe, and the other end is connected on time inner layer sleeve by attaching parts.
Further, described attaching parts comprises stay cord, movable pulley and slide, and movable pulley is arranged on slide by pin or bolt, and described slide is connected with described elastic element, stay cord one end is connected to the innermost layer sleeve bottom, and the other end is walked around movable pulley and is connected to bottom time inner layer sleeve;
Further, described attaching parts comprises stay cord, and described stay cord one end is connected with described elastic element, and the other end is connected to time inner layer sleeve bottom;
further, described assembly pulley comprises the fixed pulley that is arranged on outermost layer sleeve pipe top, be oppositely arranged on time a pair of fixed pulley I in outer layer sleeve bottom, be oppositely arranged on time a pair of fixed pulley II in outer layer sleeve top, be oppositely arranged on a pair of fixed pulley III of the 3rd layer of sleeve bottom from outside to inside, described steel rope group comprises steel rope I and steel rope II, described steel rope I one end is connected with capstan box, the other end walks around fixed pulley and a pair of fixed pulley I is connected on the outermost layer sleeve pipe, described steel rope II one end is fixedly connected on the outermost layer sleeve pipe, the other end is walked around a fixed pulley II, a pair of fixed pulley III, another fixed pulley II is connected on the outermost layer sleeve pipe,
Further, described elastic element is set to spring;
Further, described spring and junction, innermost layer sleeve pipe top are provided with for the micro-adjusting mechanism of adjusting the spring amount of tension;
Further, described capstan box is arranged on outermost layer sleeve pipe body and is positioned at the below of fixed pulley.
The beneficial effects of the utility model are:
A kind of auxiliary contraction type lifting bar of the utility model make lifting bar carry out automatic descending when zero load, underloading and inclination, and this structure lifting rod structure is simple, easy to operate, tooling cost is low by be provided with the contraction setting device in the innermost layer sleeve pipe.
Description of drawings
Fig. 1 is the cutaway view of a kind of auxiliary contraction type lifting bar the first embodiment of the utility model;
Fig. 2 shrinks the structural representation of setting device in Fig. 1;
Fig. 3 is the cutaway view of a kind of auxiliary contraction type lifting bar the second embodiment;
Fig. 4 shrinks the structural representation of setting device in Fig. 3;
Fig. 5 is the cutaway view of a kind of auxiliary the third embodiment of contraction type lifting bar;
Fig. 6 shrinks the structural representation of setting device in Fig. 5.
Description of drawings: 1-outermost layer sleeve pipe; 2-innermost layer sleeve pipe; 3-inner layer sleeve; 4-steel rope group; The 5-assembly pulley; The 6-capstan box; 7-shrinks setting device, 8-elastic element; The 9-stay cord; The 10-movable pulley; The 11-slide; The 12-pin.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated:
Embodiment one
Be illustrated in figure 1 as the cutaway view of a kind of auxiliary contraction type lifting bar the first embodiment of the utility model; Be illustrated in figure 2 as the structural representation that shrinks setting device in Fig. 1.the novel a kind of auxiliary contraction type lifting bar of this enforcement, comprise and be no less than the sleeve pipe of 3 layers, steel rope group 4, assembly pulley 5 and capstan box 6, described sleeve pipe forms the interlock lifting bar by steel rope group 4 and assembly pulley 5, in described innermost layer sleeve pipe, 1 is provided with contraction setting device 7, described contraction setting device 7 comprises elastic element 8 and attaching parts, described elastic element 8 one ends are captiveed joint with described innermost layer sleeve pipe 2 tops, the other end is connected to time inner layer sleeve 3 bottoms by attaching parts, the present embodiment can be by when installing contraction setting device 7, make elastic element 8 produce certain pretension, make innermost layer sleeve pipe 2 and time inner layer sleeve 3 produce certain convergent force voluntarily, thereby driving successively whole lifting bar generation interlock shrinks automatically.
Further, described attaching parts comprises stay cord 9, movable pulley 10 and slide 11, movable pulley 10 is arranged on slide 11 by pin 12 or bolt, described slide 11 is connected with described elastic element 8, stay cord 9 one ends are connected to innermost layer sleeve pipe 2 bottoms, the other end is walked around movable pulley 10, and to be connected to time inner layer sleeve 3 bottoms further, and preferred described elastic element 8 is set to spring; Preferred described spring and innermost layer sleeve pipe 2 junctions, top are provided with for the micro-adjusting mechanism of adjusting the spring amount of tension, by being provided with can facilitate in use for the micro-adjusting mechanism of adjusting the spring amount of tension, the spring pretension are adjusted.
further, described assembly pulley 5 comprises the fixed pulley that is arranged on outermost layer sleeve pipe 1 top, be oppositely arranged on time a pair of fixed pulley I in outer layer sleeve bottom, be oppositely arranged on time a pair of fixed pulley II in outer layer sleeve top, be oppositely arranged on a pair of fixed pulley III of the 3rd layer of sleeve bottom from outside to inside, described steel rope group comprises steel rope I and steel rope II, described steel rope I one end is connected with capstan box, the other end walks around fixed pulley and a pair of fixed pulley I is connected on the outermost layer sleeve pipe, described steel rope II one end is fixedly connected on the outermost layer sleeve pipe, the other end is walked around a fixed pulley II, a pair of fixed pulley III, another fixed pulley II is connected on the outermost layer sleeve pipe,
Further, described capstan box 6 is arranged on outermost layer sleeve pipe 1 body and is positioned at the below of fixed pulley.
Embodiment two
Be illustrated in figure 3 as the cutaway view of a kind of auxiliary contraction type lifting bar the second embodiment; Be illustrated in figure 4 as the structural representation that shrinks setting device in Fig. 3.
The difference of the present embodiment and embodiment one is: described attaching parts comprises stay cord 9, and described stay cord 9 one ends are connected with described elastic element 8, and the other end is connected to time inner layer sleeve 3 bottoms, and simple in structure, easy to operate with respect to embodiment one the present embodiment, cost is low.
Other structures of the present embodiment are identical with the first embodiment, no longer one by one tired stating.
Embodiment three
Be illustrated in figure 5 as the cutaway view of a kind of auxiliary the third embodiment of contraction type lifting bar; Be illustrated in figure 6 as the structural representation that shrinks setting device in Fig. 5.
The present embodiment is with the difference of embodiment two: described stay cord 9 one ends are connected with described elastic element 8, and the other end is connected to time inner layer sleeve 3 bottoms, and the elastic element 8 in the present embodiment is set to torque spring rather than extension spring or other types spring.
Other structures of the present embodiment are identical with the first embodiment, no longer one by one tired stating.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present utility model that appended claims limits.

Claims (6)

1. auxiliary contraction type lifting bar, comprise the sleeve pipe, steel rope group, assembly pulley and the capstan box that are no less than 3 layers, described sleeve pipe forms the interlock lifting bar by steel rope group and assembly pulley, it is characterized in that: be provided with the contraction setting device in described innermost layer sleeve pipe, described contraction setting device comprises elastic element and attaching parts, described elastic element one end is captiveed joint with described innermost layer sleeve pipe, and the other end is connected on time inner layer sleeve by attaching parts.
2. a kind of auxiliary contraction type lifting bar as claimed in claim 1, it is characterized in that: described attaching parts comprises stay cord, movable pulley and slide, movable pulley is arranged on slide by pin or bolt, described slide is connected with described elastic element, stay cord one end is connected to the innermost layer sleeve bottom, and the other end is walked around movable pulley and is connected to bottom time inner layer sleeve.
3. a kind of auxiliary contraction type lifting bar as claimed in claim 1, it is characterized in that: described attaching parts comprises stay cord, and described stay cord one end is connected with described elastic element, and the other end is connected to time inner layer sleeve bottom.
4. as a kind of auxiliary contraction type lifting bar as described in the claims 1 to 3 any one, it is characterized in that: described assembly pulley comprises the fixed pulley that is arranged on outermost layer sleeve pipe top, be oppositely arranged on time a pair of fixed pulley I in outer layer sleeve bottom, be oppositely arranged on time a pair of fixed pulley II in outer layer sleeve top, be oppositely arranged on a pair of fixed pulley III of the 3rd layer of sleeve bottom from outside to inside, described steel rope group comprises steel rope I and steel rope II, described steel rope I one end is connected with capstan box, the other end walks around fixed pulley and a pair of fixed pulley I is connected on the outermost layer sleeve pipe, described steel rope II one end is fixedly connected on the outermost layer sleeve pipe, the other end is walked around a fixed pulley II, a pair of fixed pulley III, another fixed pulley II is connected on the outermost layer sleeve pipe.
5. a kind of auxiliary contraction type lifting bar as claimed in claim 4, it is characterized in that: described elastic element is set to spring.
6. a kind of auxiliary contraction type lifting bar as claimed in claim 4, it is characterized in that: described capstan box is arranged on outermost layer sleeve pipe body and is positioned at the below of fixed pulley.
CN 201220737461 2012-12-28 2012-12-28 Auxiliary contraction type lifting rod Expired - Lifetime CN202988643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220737461 CN202988643U (en) 2012-12-28 2012-12-28 Auxiliary contraction type lifting rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220737461 CN202988643U (en) 2012-12-28 2012-12-28 Auxiliary contraction type lifting rod

Publications (1)

Publication Number Publication Date
CN202988643U true CN202988643U (en) 2013-06-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220737461 Expired - Lifetime CN202988643U (en) 2012-12-28 2012-12-28 Auxiliary contraction type lifting rod

Country Status (1)

Country Link
CN (1) CN202988643U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107069553A (en) * 2017-05-12 2017-08-18 贵州大兴电力设备制造有限公司 Electric aerial work servicing unit
CN108468988A (en) * 2018-03-21 2018-08-31 青岛青知企业管理咨询有限公司 A kind of road lamp device for being hidden in underground on urban road

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107069553A (en) * 2017-05-12 2017-08-18 贵州大兴电力设备制造有限公司 Electric aerial work servicing unit
CN107069553B (en) * 2017-05-12 2019-03-19 贵州大兴电力设备制造有限公司 Electric aerial work auxiliary device
CN108468988A (en) * 2018-03-21 2018-08-31 青岛青知企业管理咨询有限公司 A kind of road lamp device for being hidden in underground on urban road

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