CN2509324Y - Easy-to-disassembling support with adjustable length - Google Patents
Easy-to-disassembling support with adjustable length Download PDFInfo
- Publication number
- CN2509324Y CN2509324Y CN 01262346 CN01262346U CN2509324Y CN 2509324 Y CN2509324 Y CN 2509324Y CN 01262346 CN01262346 CN 01262346 CN 01262346 U CN01262346 U CN 01262346U CN 2509324 Y CN2509324 Y CN 2509324Y
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- CN
- China
- Prior art keywords
- support
- guide housing
- cant
- plane
- wedge
- 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
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model relates to an easy disassembling support with adjustable length, belonging to the working jumbo module supporting technique. One end of the easy disassembling support is a screw pair structure which consists of a screw lever and a nut, or is a self locking wedge structure; the other end of the easy disassembling support has a guide frame, whose head connected to one end of a support bar is a cant structure; a metal wedge can wedge downward along the cant; a pin bolt is positioned at the upper part of the metal wedge and is connected to the guide frame; and wherein the lead angle of the metal wedge is larger than a critical self locking angle by 1 DEG to 3 DEG. The utility model utilizes a combination of a non self locking cant device and a screw pair or a self locking cant device, when in construction, the screw lever can be rotated or use the self locking metal wedge to wedge downward along the cant, thus the support structure forms a reliable support to the module and realizes tightly hold. After construction, the pin bolt can be hit out from the metal wedge and automatically withdraw from the cant, thus a whole lower support is in an unloading situation, thus the lower support can be easily removed.
Description
(1) technical field:
The utility model belongs to the support technology of lining trolley template, mainly proposes the length-adjustable easy-dismount in a kind of trolley formwork footing place and supports.
(2) background technology:
In the construction of railway, highway tunnel, power station Diversion Tunnel, be accelerating construction progress, often adopt full section lining cutting, and lining trolley is the indispensable equipment of lining construction.Lining trolley travels mobile usually on rail, chassis by between bogie frame, template, bogie frame and the template be connected system and the electric hydraulic control section is formed.During use, the gap concrete perfusion in the tunnel of template and excavation, between the Diversion Tunnel, bogie frame is to be used for support shuttering with being connected, and people wish that the template of chassis has reliable support, and in concrete perfusion process, template can not be subjected to displacement or be out of shape.And in the construction, under the effect of the huge lateral force of concrete, mould is run at template footing position easily.For this reason, (particularly for the single-track railway tunnel, perhaps other narrower tunnel of width) logical support commonly used is sometimes supported two side templates, and logical the support to prevent to run mould promptly is set down.Following logical support commonly used is common leading screw, nut structure, utilizes leading screw relative to the moving of nut, installs and removes the bearing pin at two ends and holds out against the template at two ends, when actual job, finds that tightening the leading screw ratio is easier to, and remove but very difficult.Under huge responsive to axial force, leading screw is difficult to rotate, and a people removes motionless at all sometimes, need be by two people or three people, but how the people occur again handle is removed curved phenomenon, and What is more, under the situation of last resort, need eject the bearing pin of leading screw end with jack.
(3) summary of the invention:
The purpose of this utility model promptly is to propose a kind of length-adjustable easy-dismount to support, to solve the problem of template footing place down logical support difficulty or ease dismounting.
The technical scheme that its invention task of finishing the utility model is adopted is: it is nut structure that easy-dismount supports an end, with this end be connected the support bar threaded engagement, constitute screw pair, maybe this is held and is fixed chock structure.The other end is provided with a guide housing, the end termination that this end connects support bar is positioned at guide housing and is ramp structure, one metal chock is set and it is wedged downwards along the inclined-plane, alignment pin is set, it is positioned at the top of metal chock, and is connected with guide housing, upwards withdraws from order to stop metal chock inclined-plane, wherein, the metal chock along the inclined-plane lift angle greater than critical from 1 °～3 ° of the locking angles.
Guide housing is connected on the template, and the external end head that connects support bar is ramp structure and is positioned at guide housing that wedging is downwards connecting between support bar inclined-plane and the template metal chock along the inclined-plane.
Guide housing is positioned at an end that leads to support down, and connecting the inner termination of support bar is ramp structure, and is positioned at guide housing, and the metal chock is wedged between the inclined-plane and guide housing inwall that connect support bar downwards along the inclined-plane.
The length-adjustable easy-dismount that the utility model proposes supports, utilize the combination of non-self-locking incline device and screw pair or self-locking incline device, in construction, turn leading screw or utilize self-locking metal chock to wedge downwards along the inclined-plane, make braced structures form reliable support, and realize holding out against template.After construction, non-lock-bit pin is got the metal chock withdraw from automatically along the inclined-plane, can make whole logical down support be in unloading condition, remove thereby will support easily.
(4) description of drawings:
Accompanying drawing 1 is the utility model embodiment 1 structural representation.
Accompanying drawing 2 is the vertical view of Fig. 1.
Accompanying drawing 3 is the utility model embodiment 2 structural representations.
Accompanying drawing 4 is the vertical view of Fig. 3.
Among the figure, the 1-guide housing, 2-connects support bar, 3-metal chock, the 4-fairlead, the 5-alignment pin, the 6-steel cylinder, the 7-nut, the 8-leading screw, the 9-steel cylinder, the 10-template, 11-connects support bar, 12-self-locking chock.
(5) specific embodiment:
The embodiment that provides is in conjunction with the accompanying drawings further specified the utility model:
Shown in accompanying drawing 1,2, it has two steel cylinders 6,9, and an end of steel cylinder 6,9 is welded with nut 7, and nut 7 combines with leading screw 8 screw threads at middle part, constitutes the screw pair structure.The other end of steel cylinder 9 is the pin-and-hole junction plate and links to each other with template by bearing pin.The other end of steel cylinder 6 guide housing 1 that is rigidly connected, connection support bar 2 inner termination of this end are ramp structure, it stretches in the guide housing 1 by fairlead 4, between inclined-plane that connects support bar 2 and guide housing 1 inwall, be provided with metal chock 3, and alignment pin 5 is set, it is positioned at the top of metal chock 3 and is connected with guide housing 1.During use, operation sequence is as follows: earlier these mechanism two ends are installed on the relevant position of template, bearing pin is squeezed at two ends, rotational lead screw 8, regulate its extension elongation, make the inner termination inclined-plane and the space between guide housing 1 inwall that connect support bar 2 can hold metal chock 3 down.Put into metal chock 3 and squeeze into alignment pin 5 along the pin-and-hole on the guide housing again, be located at the top of metal chock.Moving leading screw 8 at last makes it to hold out against.During form removal, destroy alignment pin 5 earlier, metal chock 3 withdraws from along the inclined-plane, is in the state of not stressing, and takes away metal chock 3, and leading screw 8 can easily rotate under zero load, removes whole support.Wherein, the inclined-plane lift angle of metal chock greater than critical from 2 ° of the locking angles.The inclined-plane lift angle of chock is seen Sun Huan chief editor " theory of mechanics " chapter 5, critical inclined-plane lift angle when the locking angle refers to that chock makes mechanism be in critical self-locking state.
Shown in accompanying drawing 3,4, the middle part of the utility model braced structures is a steel cylinder 13, and the connecting rod termination of steel cylinder 13 1 ends is a ramp structure, and squeezes into self-locking chock 12 between this inclined-plane and template 10.Connection support bar 2 external end heads of the braced structures other end are ramp structure, on template 10, connect guide housing 1, connect support bar 2 outer ends and be positioned at guide housing 1, one metal chock 3 is set, and metal chock 3 connected between the inclined-plane and template 10 of support bar 2, one alignment pin 5 is set, and it is positioned at the top of metal chock 3 and is connected with guide housing 1, and the other end that connects support bar 2 is connected on the steel cylinder 13.Wherein, the inclined-plane lift angle of metal chock greater than critical from 2 ° of the locking angles.
During use, operation sequence is as follows: into left end metal chock 3, squeeze into alignment pin 5 earlier, squeeze into right-hand member self-locking chock 12 again, make down logical support tight by moving of chock 12; During dismounting, destroy alignment pin 5 earlier, metal chock 3 can withdraw from automatically, can remove down logical support subsequently easily.
Claims (3)
1, a kind of length-adjustable easy-dismount supports, and the one end is the screw pair structure that feed screw nut constitutes, and maybe this is held and is self-locking chock structure; It is characterized in that: the other end is provided with a guide housing (1), the end termination that this end connects support bar (2) is a ramp structure, one metal chock (3) is set and it is wedged downwards along the inclined-plane, one alignment pin (5) is set, it is positioned at the top of metal chock (3), and be connected with guide housing (1), wherein, the inclined-plane lift angle of metal chock (3) greater than critical from 1 °～3 ° of the locking angles.
2, length-adjustable easy-dismount according to claim 1 supports, it is characterized in that: guide housing (1) is connected on the template (10), the external end head that connects support bar (2) is ramp structure and is positioned at guide housing (1) that wedging downwards is positioned between the inclined-plane and template (10) that connects support bar (2) metal chock (3) along the inclined-plane.
3, length-adjustable easy-dismount according to claim 1 supports, it is characterized in that: guide housing (1) is positioned at an end of logical support down, connect support bar (2) inner termination and be ramp structure and be positioned at guide housing (1), wedging downwards is positioned between the inclined-plane and guide housing (1) inwall that connects support bar (2) metal chock (3) along the inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01262346 CN2509324Y (en) | 2001-10-26 | 2001-10-26 | Easy-to-disassembling support with adjustable length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01262346 CN2509324Y (en) | 2001-10-26 | 2001-10-26 | Easy-to-disassembling support with adjustable length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2509324Y true CN2509324Y (en) | 2002-09-04 |
Family
ID=33670101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01262346 Expired - Fee Related CN2509324Y (en) | 2001-10-26 | 2001-10-26 | Easy-to-disassembling support with adjustable length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2509324Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133035A (en) * | 2011-12-05 | 2013-06-05 | 国家电网公司 | Support rod component |
| CN104894357A (en) * | 2015-05-25 | 2015-09-09 | 哈尔滨飞机工业集团有限责任公司 | Method for preventing U-shaped gear part from machining deformation and supporting checking tool |
| CN105196405A (en) * | 2015-10-21 | 2015-12-30 | 宁夏路桥工程股份有限公司 | Supporting equipment for bridge precast hollow slab lateral mould and using method of supporting equipment |
| CN110905557A (en) * | 2019-11-25 | 2020-03-24 | 中国一冶集团有限公司 | Supporting device for supporting arch-covered formwork and construction method used by supporting device |
-
2001
- 2001-10-26 CN CN 01262346 patent/CN2509324Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133035A (en) * | 2011-12-05 | 2013-06-05 | 国家电网公司 | Support rod component |
| CN104894357A (en) * | 2015-05-25 | 2015-09-09 | 哈尔滨飞机工业集团有限责任公司 | Method for preventing U-shaped gear part from machining deformation and supporting checking tool |
| CN104894357B (en) * | 2015-05-25 | 2017-12-12 | 哈尔滨飞机工业集团有限责任公司 | A kind of method for preventing U-shaped gear part machining deformation and support calibration tool |
| CN105196405A (en) * | 2015-10-21 | 2015-12-30 | 宁夏路桥工程股份有限公司 | Supporting equipment for bridge precast hollow slab lateral mould and using method of supporting equipment |
| CN105196405B (en) * | 2015-10-21 | 2017-05-17 | 宁夏路桥工程股份有限公司 | Supporting equipment for bridge precast hollow slab lateral mould and using method of supporting equipment |
| CN110905557A (en) * | 2019-11-25 | 2020-03-24 | 中国一冶集团有限公司 | Supporting device for supporting arch-covered formwork and construction method used by supporting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |