CN201762057U - Rhombic lifting jack and serial structure thereof - Google Patents
Rhombic lifting jack and serial structure thereof Download PDFInfo
- Publication number
- CN201762057U CN201762057U CN2010290440701U CN201029044070U CN201762057U CN 201762057 U CN201762057 U CN 201762057U CN 2010290440701 U CN2010290440701 U CN 2010290440701U CN 201029044070 U CN201029044070 U CN 201029044070U CN 201762057 U CN201762057 U CN 201762057U
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- hold
- rhombus
- jack
- jointed shaft
- down arms
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Abstract
The utility model discloses a rhombic lifting jack and a serial structure thereof, comprising an upper jack head, a lower jack head, two upper left support arms, two lower left support arms, two upper right support arms and two lower right support arms. The utility model is characterized in that the top ends of the two upper left support arms and two upper right support arms are connected to the upper jack head, and form a tooth-shaped boss which is mutually engaged; the lower ends of the two lower left support arms and two lower right support arms are connected to the lower jack head, and form a tooth-shaped boss which is mutually engaged; the top ends of the two upper left support arms and two lower left support arms are hinged to each other through a left jointed shaft; the top ends of the two upper tight support arms and two lower right support arms are hinged to each other through a right jointed shaft; the left jointed shaft is connected to the right jointed shaft through a screw rod. The utility model is advantageous in that the force on the upper jack head and the lower jack head are even.
Description
Technical field
The utility model relates to a kind of jack, particularly a kind of rhombus jack, and the series connected connection structure of a plurality of jack.
Background technology
The rhombus jack is a kind of hoisting device commonly used in the market, be widely used in various lifting occasions, the rhombus jack is so long as be used to the jack-up weight at present, be that it passes through top or bottom jacking weight in little stroke, general weight just moves in a direction, the rhombus jack generally is placed on the ground, so the rhombus jack only needs an end stress balance of lifting just can guarantee the smooth work of jack.But in some building occasion, the rhombus jack need can produce pulling force when packing up, so just can make the rhombus jack can play effect when form removal, and present jack can not satisfy this requirement, therefore has certain deficiency.
Have again, in building construction process, when building for expansion joint double shear wall, needing a plurality of jacks that template is supported pours into a mould, but because each rhombus jack all is an independent regulation, therefore a plurality of jacks need be connected, and when tightening up, need produce pulling force, in order to the demoulding.
The utility model content
At above-mentioned the deficiencies in the prior art, the rhombus jack of bidirectional stress when the technical problems to be solved in the utility model provides a kind of work, and a kind of structure that is connected in series of this jack.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of rhombus jack, it comprises top end, following top, go up left hold-down arm for two, two bottom left hold-down arms, go up right hold-down arm and two bottom right hold-down arms for two, described two last left hold-down arms are connected with top end with two upper ends of going up right hold-down arm, described two last left hold-down arms and two upper ends of going up right hold-down arm form intermeshing detent projection, the lower end of described two bottom left hold-down arms and two bottom right hold-down arms is connected with described top down, the lower end of described two bottom left hold-down arms and two bottom right hold-down arms forms intermeshing detent projection, described two upper ends of going up left supporting arm lower end and described two bottom left hold-down arms are hinged by a left jointed shaft, described two upper ends of going up right supporting arm lower end and described two bottom right hold-down arms are hinged by a right jointed shaft, described left jointed shaft, right jointed shaft connects by a screw mandrel.
Preferably, the both sides of described right jointed shaft respectively are provided with an anti-skidding nut, and described two anti-skidding nuts are positioned on the described screw mandrel.
Technique scheme has following beneficial effect: the left jointed shaft of this rhombus jack, right jointed shaft connect by a screw mandrel, like this when rotary screw, two jointed shafts rotate the hold-down arm that the while forced belt is automatically connected on the jointed shaft, outwards eject when making top end and following headwind, the lower end of going up intermeshing detent projection that the upper end of left hold-down arm and last right hold-down arm forms and two bottom left hold-down arms and bottom right hold-down arm respectively forms intermeshing detent projection and can guarantee top end and come directly towards stressed even down.
The utility model also provides a kind of structure that is connected in series of above-mentioned rhombus jack, and its technical scheme is as follows:
A kind of cascaded structure of rhombus jack, comprise a plurality of rhombus jacks, be provided with a connecting rod between two adjacent rhombus jacks, one end of described connecting rod is provided with a link slot, the shape of described link slot and described rhombus jack upper screw rod nose shape adapt, the wall of described link slot is provided with dowel hole, the other end of described connecting rod is provided with a coupling bush, described coupling bush is provided with the screw rod fixed pin holes, the rhombus jack upper screw rod head adjacent with described link slot inserts in the described link slot, described screw mandrel head is connected by locating dowel pin with described link slot, described locating dowel pin is positioned at described dowel hole, the rhombus jack upper screw rod afterbody adjacent with described coupling bush inserts in the described coupling bush, described rhombus jack upper screw rod afterbody is connected by dowel fixes with described coupling bush, and described pin is inserted in the described screw rod fixed pin holes.
Screw mandrel with a plurality of rhombus jacks in the such scheme connects as one by connecting rod, when a plurality of like this rhombus jacks are worked simultaneously, only need to rotate first screw mandrel of end, all the other screw mandrels will rotate simultaneously, and the amplitude of rotating is identical, so just can guarantee that the height that a plurality of rhombus jacks are regulated equates, guarantees a plurality of jack heave amplitude unanimities.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment rhombus jack.
Fig. 2 is the structural representation after Fig. 1 rhombus jack supports.
Fig. 3 is the series connected connection diagram of rhombus jack among the utility model embodiment.
The specific embodiment
As shown in Figure 1, this rhombus jack comprises top end 1, under come directly towards 2, go up left hold-down arm 3 for two, two bottom left hold-down arms 5, go up right hold-down arm 4 and two bottom right hold-down arms 6 for two, going up left hold-down arm 3 for two is connected with top end 1 with two upper ends of going up right hold-down arm 4, two last left hold-down arms 3 and two upper ends of going up right hold-down arm 4 form intermeshing detent projection 11, the lower end of two bottom left hold-down arms 5 and two bottom right hold-down arms 6 is connected with following top 2, the lower end of two bottom left hold-down arms 5 and two bottom right hold-down arms 6 forms intermeshing detent projection 11, it is hinged that a left jointed shaft 7 is passed through in two lower ends of going up left supporting arms 3 and the upper end of two bottom left hold-down arms 5, it is hinged that a right jointed shaft 8 is passed through in two lower ends of going up right supporting arms 4 and the upper end of two bottom right hold-down arms 6, left side jointed shaft 7, right jointed shaft 8 connects by a screw mandrel 9, and screw mandrel 9 passes the tapped bore on two left jointed shafts 7 and the right jointed shaft 8 and is threaded with two jointed shafts.Respectively be provided with 10, two bearings 10 of a bearing in the both sides of right jointed shaft 8 and be positioned on the screw mandrel on 9, bearing 10 power of can reducing friction.
The left jointed shaft 7 of this rhombus jack, right jointed shaft 8 connect by a screw mandrel 9, like this when rotary screw 9, two jointed shafts 7,8 rotate the hold-down arm that the while forced belt is automatically connected on the jointed shaft, make top end 1 and come directly towards 2 down outwards to eject simultaneously, the structure after this rhombus jack supports as shown in Figure 2.The lower end of going up intermeshing detent projection 11 that the upper end of left hold-down arm 3 and last right hold-down arm 4 forms and two bottom left hold-down arms 5 and bottom right hold-down arm 6 forms respectively that intermeshing detent projection 11 can guarantee top end and the top is stressed even down.
Again as shown in Figure 3, the invention also discloses a kind of connection structure that a kind of above-mentioned rhombus jack is connected in series.The cascaded structure of this rhombus jack comprises a plurality of rhombus jacks, be provided with a connecting rod 12 between two adjacent rhombus jacks, one end of connecting rod 12 is provided with a link slot 13, the shape of the shape of link slot 13 and rhombus jack upper screw rod head 15 adapts, the wall of link slot 13 is provided with dowel hole, the other end of connecting rod 12 is provided with a coupling bush 14, and coupling bush 14 is provided with the screw rod fixed pin holes.When a plurality of scissors-type jacks connected, the rhombus jack upper screw rod head 15 adjacent with link slot 13 inserted in the link slots 13, and screw mandrel head 15 is connected by locating dowel pin 17 with link slot 13, and locating dowel pin 17 is positioned at dowel hole.The rhombus jack upper screw rod afterbody 16 adjacent with coupling bush inserts in the coupling bushs 14, and rhombus jack upper screw rod afterbody 16 is captiveed joint with the logical 14 mistake pins 18 of coupling bush, and pin 18 is inserted in the screw rod fixed pin holes.
Screw mandrel with a plurality of scissors-type jacks in the above-mentioned connection mode connects as one by connecting rod, when a plurality of like this scissors-type jacks are worked simultaneously, only need to rotate a screw mandrel, all the other screw mandrels will rotate simultaneously, and the amplitude of rotating is identical, so just can guarantee that the height that a plurality of scissors-type jacks are regulated equates, guarantees a plurality of jack heave amplitude unanimities.
More than a kind of rhombus jack and cascaded structure thereof that the utility model embodiment is provided be described in detail; for one of ordinary skill in the art; thought according to the utility model embodiment; part in specific embodiments and applications all can change; in sum; this description should not be construed as restriction of the present utility model, and all any changes of being made according to the utility model design philosophy are all within protection domain of the present utility model.
Claims (3)
1. rhombus jack, it is characterized in that: it comprises top end, following top, go up left hold-down arm for two, two bottom left hold-down arms, go up right hold-down arm and two bottom right hold-down arms for two, described two last left hold-down arms are connected with top end with two upper ends of going up right hold-down arm, described two last left hold-down arms and two upper ends of going up right hold-down arm form intermeshing detent projection, the lower end of described two bottom left hold-down arms and two bottom right hold-down arms is connected with described top down, the lower end of described two bottom left hold-down arms and two bottom right hold-down arms forms intermeshing detent projection, described two upper ends of going up left supporting arm lower end and described two bottom left hold-down arms are hinged by a left jointed shaft, described two upper ends of going up right supporting arm lower end and described two bottom right hold-down arms are hinged by a right jointed shaft, described left jointed shaft, right jointed shaft connects by a screw mandrel.
2. rhombus jack according to claim 1 is characterized in that: the both sides of described right jointed shaft respectively are provided with an anti-skidding nut, and described two anti-skidding nuts are positioned on the described screw mandrel.
3. the cascaded structure of a rhombus jack as claimed in claim 1, it is characterized in that: comprise a plurality of rhombus jacks as claimed in claim 1, be provided with a connecting rod between two adjacent rhombus jacks, one end of described connecting rod is provided with a link slot, the shape of described link slot and described rhombus jack upper screw rod nose shape adapt, the wall of described link slot is provided with dowel hole, the other end of described connecting rod is provided with a coupling bush, described coupling bush is provided with the screw rod fixed pin holes, the rhombus jack upper screw rod head adjacent with described link slot inserts in the described link slot, described screw mandrel head is connected by locating dowel pin with described link slot, described locating dowel pin is positioned at described dowel hole, the rhombus jack upper screw rod afterbody adjacent with described coupling bush inserts in the described coupling bush, described rhombus jack upper screw rod afterbody is connected by dowel fixes with described coupling bush, and described pin is inserted in the described screw rod fixed pin holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290440701U CN201762057U (en) | 2010-02-05 | 2010-02-05 | Rhombic lifting jack and serial structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290440701U CN201762057U (en) | 2010-02-05 | 2010-02-05 | Rhombic lifting jack and serial structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201762057U true CN201762057U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010290440701U Expired - Fee Related CN201762057U (en) | 2010-02-05 | 2010-02-05 | Rhombic lifting jack and serial structure thereof |
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|---|---|
| CN (1) | CN201762057U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587665A (en) * | 2012-03-21 | 2012-07-18 | 苏州第五建筑集团有限公司 | Pouring method of coupled shear wall structure |
| CN102691414A (en) * | 2012-06-18 | 2012-09-26 | 中城建第六工程局集团有限公司 | Template supporting system for narrow space of building concrete structure |
| CN102882143A (en) * | 2012-09-24 | 2013-01-16 | 中国西电电气股份有限公司 | Reactor replacement tool |
| CN103086296A (en) * | 2011-11-01 | 2013-05-08 | 成都高新区尼玛电子产品外观设计工作室 | Simple lifter |
| CN104140058A (en) * | 2013-06-08 | 2014-11-12 | 国家电网公司 | Remotely-controlled lifting support leg and multi-point synchronous lifting mechanism using same |
| CN107425466A (en) * | 2017-06-05 | 2017-12-01 | 国网辽宁省电力有限公司营口供电公司 | Wire lifts insulating support and its application method |
| CN108394262A (en) * | 2018-02-09 | 2018-08-14 | 北京匠芯电池科技有限公司 | A kind of jack type power battery pack lockable mechanism |
-
2010
- 2010-02-05 CN CN2010290440701U patent/CN201762057U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086296A (en) * | 2011-11-01 | 2013-05-08 | 成都高新区尼玛电子产品外观设计工作室 | Simple lifter |
| CN102587665A (en) * | 2012-03-21 | 2012-07-18 | 苏州第五建筑集团有限公司 | Pouring method of coupled shear wall structure |
| CN102691414A (en) * | 2012-06-18 | 2012-09-26 | 中城建第六工程局集团有限公司 | Template supporting system for narrow space of building concrete structure |
| CN102691414B (en) * | 2012-06-18 | 2014-08-20 | 中城建第六工程局集团有限公司 | Template supporting system for narrow space of building concrete structure |
| CN102882143A (en) * | 2012-09-24 | 2013-01-16 | 中国西电电气股份有限公司 | Reactor replacement tool |
| CN104140058A (en) * | 2013-06-08 | 2014-11-12 | 国家电网公司 | Remotely-controlled lifting support leg and multi-point synchronous lifting mechanism using same |
| CN107425466A (en) * | 2017-06-05 | 2017-12-01 | 国网辽宁省电力有限公司营口供电公司 | Wire lifts insulating support and its application method |
| CN108394262A (en) * | 2018-02-09 | 2018-08-14 | 北京匠芯电池科技有限公司 | A kind of jack type power battery pack lockable mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20130205 |
|
| DD01 | Delivery of document by public notice |
Addressee: Li Huiqin Document name: Notification of Termination of Patent Right |