CN203143944U - Rail clamping device and tower crane comprising same - Google Patents
Rail clamping device and tower crane comprising same Download PDFInfo
- Publication number
- CN203143944U CN203143944U CN 201320157544 CN201320157544U CN203143944U CN 203143944 U CN203143944 U CN 203143944U CN 201320157544 CN201320157544 CN 201320157544 CN 201320157544 U CN201320157544 U CN 201320157544U CN 203143944 U CN203143944 U CN 203143944U
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- clamping device
- rail clamping
- screw
- pincers
- half pincers
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Abstract
The utility model relates to a rail clamping device of a tower crane. The rail clamping device comprises a supporting shaft, a left-half clamp, a right-half clamp, a lead screw shaft and elastic parts, wherein the supporting shaft is arranged between a left supporting plate and a right supporting plate, the left-half clamp and the right-half clamp are oppositely arranged and are sheathed on the supporting shaft, and two grooves matched with the shapes of rails are formed in the lower parts of the left-half clamp and the right-half clamp; the lead screw shaft transversely penetrates through screws in the middles of the left-half clamp and the right-half clamp, threads opposite in directions are arranged on the left end and right end of the lead screw shaft and are respectively matched with the screws in the middles of the left-half clamp and the right-half clamp, and one end of the lead screw shaft is also provided with a jiggle bar; and the elastic parts are arranged on the two ends of the supporting shaft and are respectively between the left supporting plate and the left-half clamp and between the right supporting plate and the right-half clamp. The rail clamping device has the advantages that the lead screw shaft with the left thread and the right thread is used as a transmission shaft, so that the speed of locking and loosening the rails by a pair of tongs is increased, and the operation efficiency is improved; and meanwhile, the elastic parts are arranged on the two ends of the supporting shaft, so that the automatic alignment of the pair of rail tongs is ensured, the safety coefficient is high, the operation is simple and convenient, and the accuracy of rail clamping is high.
Description
Technical field
The utility model relates to a kind of device for fixing running tracks, particularly a kind of tower crane rail clamping device.
Background technology
Hoisting crane is a kind of large-scale implement, in the course of the work, because external environment factor, as wind-force or artificial effect, the hoisting crane loss of stability is slided voluntarily, so not only can damage crane facility itself, and there are very big potential safety hazard in the operating personal of hoisting crane and on-the-spot person skilled, may cause great safety misadventure.At present existing a lot of wind prevention braking device uses the clamp-type structure more, but its clamping and the speed of unclamping are slow, efficient is low, and clamps not easy to operate and both sides can't be realized the function of automatic centering, and it is convenient inadequately to cause using.
As shown in Figure 1, tower crane rail clamping device of the prior art comprises that jiggle bar 1, screw axis 2, pivot shaft 3, the right side partly clamp 4, lining 5, barrier film 6, spring cotter 7, a left side partly clamp 8, adjusting pad 9.Screw axis 2 is provided with unidirectional screw thread, shakes 1 o'clock at jiggle bar, and the left side that screw axis 2 drives rail clamping devices is partly clamped 8 and partly clamped 4 lockings and unclamp track with the right side.During rail clamping device locking track, the tower crane traveling gear quits work; When rail tongsrail clamp unclamped track, the tower crane traveling gear could be worked.Described screw axis 2 surfaces are provided with unidirectional screw thread, shake 1 o'clock at jiggle bar, and rail clamping device locking and the speed of unclamping are slower.When a left side partly clamps 8 and right 4 width that unclamp that partly clamp when enough having proposed track, owing to there is not the automatic centering function, a left side partly clamp 8 and the right side partly clamp 4 can about on the pivot shaft 3, jump, track can not be proposed easily, need usually could propose by after the artificial hand pushing just.In like manner, when putting down the rail clamping device device and locking, the phenomenon of misalignment track also often occurs, need to lock after the artificial hand pushing just.Operating time and difficulty that this has all increased hoisting crane have influenced its in-use performance.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of can prevent that hoisting crane from sliding automatically after parking, thereby guarantee the crane rail clamp of production scene safety, its have the safety factor height, easy and simple to handle, efficient is high, folder rail accuracy high characteristics, and can realize the function of automatic centering.
For achieving the above object, the utility model is to be achieved through the following technical solutions:
A kind of rail clamping device comprises: pivot shaft, be located between left stay bearing plate and the right stay bearing plate; Clamp on a left side that is oppositely arranged partly pincers and right half, is socketed on the pivot shaft, and a described left side half pincers and the right bottom of partly clamping are relatively set with two grooves that mate with trade shape; Screw axis laterally runs through left partly pincers and the right screw that partly clamps the middle part, and two ends, the described screw axis left and right sides are provided with the opposite screw thread of direction, mates with the screw of a left side half pincers with half pincers middle part, the right side respectively, and described screw axis one end also is provided with jiggle bar; And the elastomeric element that is positioned at the pivot shaft two ends, be arranged between left stay bearing plate and a left side half pincers respectively and right stay bearing plate and right partly between the pincers.
In an embodiment of the present utility model, described elastomeric element is the compression spring.
In an embodiment of the present utility model, described screw axis left end is provided with left-handed Acme thread, and right-hand member is provided with the Acme thread of dextrorotation; Correspondingly, be provided with left-handed Acme thread in the screw of a described left side half pincers, be provided with the Acme thread of dextrorotation in the screw of right half pincers.
In an embodiment of the present utility model, described screw axis left end is provided with the Acme thread of dextrorotation, and right-hand member is provided with left-handed Acme thread; Correspondingly, be provided with the Acme thread of dextrorotation in the screw of a described left side half pincers, be provided with left-handed Acme thread in the screw of right half pincers.
In an embodiment of the present utility model, described rail clamping device also comprises lining, and lining is socketed on the pivot shaft, and between a left side half pincers and right half pincers.
In an embodiment of the present utility model, described rail clamping device also comprises adjusting pad, and described adjusting pad is socketed on the pivot shaft, and is positioned at the two ends of lining, partly clamps inwall with a left side half pincers and the right side and offsets.
In an embodiment of the present utility model, described rail clamping device also comprises liner, and described insert is connected on the pivot shaft, and partly clamps outer wall with a left side half pincers and the right side and offset.
In an embodiment of the present utility model, described pivot shaft passes left stay bearing plate and right stay bearing plate, and fixes by spring cotter.
A kind of tower crane comprises walking carriage and rail clamping device, and described rail clamping device is any one above-mentioned rail clamping device.
Rail clamping device of the present utility model adopts right-and-left threaded screw axis to do transmission shaft, and the speed that has improved rail tongsrail clamp locking and unclamped track has improved operating efficiency; Simultaneously be provided with elastomeric element at the pivot shaft two ends, guaranteed the automatic centering of rail tongsrail clamp, avoid rail tongsrail clamp deflection to occur, also saved the step that hand push sets right, make it have safety factor height, the easy and simple to handle and high characteristics of folder rail accuracy.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the normal cross section view of rail clamping device in the prior art;
Fig. 2 is the normal cross section view of rail clamping device among one of them embodiment of the utility model;
Fig. 3 is the right elevation of rail clamping device among one of them embodiment of the utility model.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is done further specific description.
As shown in Figure 2, rail clamping device comprises that screw axis 1, jiggle bar 2, pivot shaft 3, elastomeric element 5, a left side partly clamp 9, the right side partly clamps 10, left stay bearing plate 11, right stay bearing plate 12.Pivot shaft 3 is located between left stay bearing plate 11 and the right stay bearing plate 12.A left side that is oppositely arranged partly clamp 9 and the right side partly clamp 10, be socketed on the pivot shaft 3, and a left side partly clamp 9 and right 10 bottoms of partly clamping be relatively set with two grooves that mate with trade shape.Screw axis 1 laterally runs through a left side and partly clamps 9 and the right screw that partly clamps 10 middle parts, and two ends, screw axis 1 left and right sides are provided with the opposite screw thread of direction, partly clamps 9 and the right screw coupling that partly clamps 10 middle parts with a left side respectively.Described screw axis 1 one ends also are provided with jiggle bar 2.The pivot shaft two ends are equipped with elastomeric element 5, be arranged at respectively left stay bearing plate 11 and a left side partly clamp 9 between and right stay bearing plate 12 and the right side partly clamp between 10.
Rail clamping device unclamp and the process of locking in, elastomeric element partly clamps 9 and rightly partly clamp 10 and apply balanced external force to a left side, makes the left side of rail clamping device partly clamp 9 and rightly partly clamp 10 and jump about not understanding and be in the state of centering all the time, realizes the function of automatic centering.In an embodiment of the present utility model, described elastomeric element 5 is the compression spring.
Two ends, screw axis 1 left and right sides are provided with opposite screw thread, and corresponding with screw thread in the screw of corresponding half pincers, have improved unclamping or clamp speeds of half pincers when shaking wind.In an embodiment of the present utility model, screw axis 1 left end is provided with left-handed Acme thread, and right-hand member is provided with the Acme thread of dextrorotation; Correspondingly, a described left side is partly clamped in 9 the screw and is provided with left-handed Acme thread, the right Acme thread that is provided with dextrorotation in 10 the screw that partly clamps.In another one embodiment of the present utility model, screw axis 1 left end is provided with the Acme thread of dextrorotation, and right-hand member is provided with left-handed Acme thread; Correspondingly, the Acme thread that is provided with dextrorotation in 9 the screw is partly clamped on a described left side, and right partly the pincers in 10 the screw is provided with left-handed Acme thread.
In an embodiment of the present utility model, rail clamping device comprises that also at least one is with lower member: liner, adjusting pad, lining.With reference to figure 2, lining 8 is socketed on the pivot shaft 3, and partly clamp on a left side 9 and the right side partly clamp between 10; Adjusting pad 7 is socketed on the pivot shaft 3, and is positioned at the two ends of lining 8, with a left side partly clamp 9 and the right side partly clamp 10 inwalls and offset; Liner 6 is socketed on the pivot shaft 3, and with a left side partly clamp 9 and the right side partly clamp 10 outer walls and offset.It is more firm that these parts can make the parts around it connect, and plays facilitation.
The utility model also provides a kind of tower crane, comprises traveling gear and above-mentioned rail clamping device.This rail clamping device safety factor height, easy and simple to handle, efficient is high, folder rail accuracy height, and can realize the function of automatic centering, can be under the atrocious weather situation grip track, avoid occurring safety misadventure.
The utility model is described by embodiment, and those skilled in the art know, under the situation that does not break away from spirit and scope of the present utility model, can carry out various changes or be equal to replacement these features and embodiment.In addition, under instruction of the present utility model, can make amendment to adapt to concrete situation and material to these features and embodiment and can not break away from spirit and scope of the present utility model.Therefore, the utility model is not subjected to the restriction of specific embodiment disclosed herein, and all interior embodiment of claim scope that fall into the application belong to protection domain of the present utility model.
Claims (11)
1. a rail clamping device is characterized in that, comprising: pivot shaft (3), be located between left stay bearing plate (11) and the right stay bearing plate (12); (9) and right half pincers (10) are partly clamped in a left side that is oppositely arranged, and are socketed on the pivot shaft (3), and (9) are partly clamped on a described left side and right half pincers (10) bottom is relatively set with two grooves that mate with trade shape; Screw axis (1), the screw that laterally runs through a left side half pincers (9) and right half pincers (10) middle part, described screw axis (1) two ends, the left and right sides are provided with the opposite screw thread of direction, clamp the screw coupling at (10) middle part respectively with a left side half pincers (9) and right half, described screw axis (1) one end also is provided with jiggle bar (2); And the elastomeric element (5) that is positioned at the pivot shaft two ends, be arranged between left stay bearing plate (11) and a left side half pincers (9) respectively and right stay bearing plate (12) and right partly between the pincers (10).
2. rail clamping device according to claim 1 is characterized in that, described elastomeric element (5) is the compression spring.
3. rail clamping device according to claim 1 is characterized in that, described screw axis (1) left end is provided with left-handed Acme thread, and right-hand member is provided with the Acme thread of dextrorotation.
4. rail clamping device according to claim 3 is characterized in that, is provided with left-handed Acme thread in the screw of a described left side half pincers (9), is provided with the Acme thread of dextrorotation in the screw of right half pincers (10).
5. rail clamping device according to claim 1 is characterized in that, described screw axis (1) left end is provided with the Acme thread of dextrorotation, and right-hand member is provided with left-handed Acme thread.
6. rail clamping device according to claim 5 is characterized in that, is provided with the Acme thread of dextrorotation in the screw of a described left side half pincers (9), is provided with left-handed Acme thread in the screw of right half pincers (10).
7. rail clamping device according to claim 1 is characterized in that, described rail clamping device also comprises lining (8), and described lining (8) is socketed on the pivot shaft (3), and is positioned between a left side half pincers (9) and right half pincers (10).
8. rail clamping device according to claim 1, it is characterized in that described rail clamping device also comprises adjusting pad (7), described adjusting pad (7) is socketed on the pivot shaft (3), and be positioned at the two ends of lining (8), clamp (10) inwall with a left side half pincers (9) and right half and offset.
9. rail clamping device according to claim 1 is characterized in that, described rail clamping device also comprises liner (6), and described liner (6) is socketed on the pivot shaft (3), and offsets with a left side half pincers (9) and right half pincers (10) outer wall.
10. rail clamping device according to claim 1 is characterized in that, described pivot shaft (3) passes left stay bearing plate (11) and right stay bearing plate (12), and fixing by spring cotter (4).
11. a tower crane comprises walking carriage and rail clamping device, it is characterized in that, described rail clamping device is any one in the above-mentioned rail clamping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157544 CN203143944U (en) | 2013-04-01 | 2013-04-01 | Rail clamping device and tower crane comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157544 CN203143944U (en) | 2013-04-01 | 2013-04-01 | Rail clamping device and tower crane comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203143944U true CN203143944U (en) | 2013-08-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320157544 Expired - Lifetime CN203143944U (en) | 2013-04-01 | 2013-04-01 | Rail clamping device and tower crane comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203143944U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671085A (en) * | 2013-11-26 | 2015-06-03 | 宝钢新日铁汽车板有限公司 | Locking clamping track instrument |
| CN105133449A (en) * | 2015-09-14 | 2015-12-09 | 北京航华星金属结构厂 | Rail adjusting machine for rail |
| CN105314535A (en) * | 2015-06-28 | 2016-02-10 | 洛阳辰祥机械科技有限公司 | Rail locking device |
| CN108117011A (en) * | 2018-02-07 | 2018-06-05 | 徐工集团凯宫重工南京有限公司 | A kind of piler of locking function folder hook device |
| CN108466807A (en) * | 2018-03-26 | 2018-08-31 | 中国冶集团有限公司 | A kind of shuttle belt small rail car anti-derail unit |
| CN108689302A (en) * | 2018-05-22 | 2018-10-23 | 河南新科起重机股份有限公司 | A kind of novel simple rail clamping device |
| KR101913621B1 (en) | 2017-02-21 | 2018-11-01 | 주식회사 포스코플랜텍 | Rail clamp |
| CN110694957A (en) * | 2019-10-22 | 2020-01-17 | 浙江工业职业技术学院 | Table board cleaning equipment for fixed prefabricated part mold table |
| CN112078623A (en) * | 2020-09-01 | 2020-12-15 | 安徽星辉工业科技有限公司 | Simple rail clamping device |
-
2013
- 2013-04-01 CN CN 201320157544 patent/CN203143944U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671085B (en) * | 2013-11-26 | 2017-01-04 | 宝钢新日铁汽车板有限公司 | A kind of locking rail meter |
| CN104671085A (en) * | 2013-11-26 | 2015-06-03 | 宝钢新日铁汽车板有限公司 | Locking clamping track instrument |
| CN105314535A (en) * | 2015-06-28 | 2016-02-10 | 洛阳辰祥机械科技有限公司 | Rail locking device |
| CN105133449A (en) * | 2015-09-14 | 2015-12-09 | 北京航华星金属结构厂 | Rail adjusting machine for rail |
| CN105133449B (en) * | 2015-09-14 | 2017-03-22 | 北京航华星轨道设备制造有限公司 | Rail adjusting machine for rail |
| KR101913621B1 (en) | 2017-02-21 | 2018-11-01 | 주식회사 포스코플랜텍 | Rail clamp |
| CN108117011A (en) * | 2018-02-07 | 2018-06-05 | 徐工集团凯宫重工南京有限公司 | A kind of piler of locking function folder hook device |
| CN108466807A (en) * | 2018-03-26 | 2018-08-31 | 中国冶集团有限公司 | A kind of shuttle belt small rail car anti-derail unit |
| CN108689302A (en) * | 2018-05-22 | 2018-10-23 | 河南新科起重机股份有限公司 | A kind of novel simple rail clamping device |
| CN110694957A (en) * | 2019-10-22 | 2020-01-17 | 浙江工业职业技术学院 | Table board cleaning equipment for fixed prefabricated part mold table |
| CN110694957B (en) * | 2019-10-22 | 2021-02-12 | 浙江工业职业技术学院 | Table board cleaning equipment for fixed prefabricated part mold table |
| CN112078623A (en) * | 2020-09-01 | 2020-12-15 | 安徽星辉工业科技有限公司 | Simple rail clamping device |
| CN112078623B (en) * | 2020-09-01 | 2021-12-03 | 安徽星辉工业科技有限公司 | Simple rail clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |
|
| CX01 | Expiry of patent term |