CN204849776U - Loose structure and bearing structure among bearing structure - Google Patents
Loose structure and bearing structure among bearing structure Download PDFInfo
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- CN204849776U CN204849776U CN201520503110.XU CN201520503110U CN204849776U CN 204849776 U CN204849776 U CN 204849776U CN 201520503110 U CN201520503110 U CN 201520503110U CN 204849776 U CN204849776 U CN 204849776U
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- spring
- active structure
- pars contractilis
- braced structures
- stationary magazine
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Abstract
The utility model provides a loose structure and bearing structure among bearing structure, wherein, the loose structure among the bearing structure includes: body, extending structure, location structure, at least one spring, spring stationary magazine creel, prop the boots bodies, bearing structure includes: stiff end, allotment prop and above -mentioned bearing structure in loose structure. The utility model provides a loose structure and bearing structure among bearing structure can still can apply axial prestressing force to the object that supports when the external environment upcropping changes, help bearing structure to carry out effectual support to the object that supports.
Description
Technical field
The utility model relates to building construction technology, particularly relates to the active structure in a kind of braced structures and braced structures.
Background technology
When building the deep foundation of high-rise building or underground structure, needing first to dig deep foundation ditch, namely to be faced down excavation underground space by ground.In order to prevent the excavation of deep foundation ditch, security implication is caused to Nearby Structure or urban operating mechanism, simultaneously also in order to ensure the stability of deep foundation ditch and cheat the safety of interior constructor, need in the process of deep pit digging, arrange foundation pit enclosure structure and foundation ditch braced structures.Wherein, bracing members is braced structures conventional in foundation ditch braced structures.
Above-mentioned bracing members is mostly supportted by fixed end, movable end and allotment and forms.When adopting above-mentioned bracing members to support deep foundation ditch, need the installation site according to the bracing members preset, between the two relative face walls each bracing members being arranged on the space enclosing structure of deep foundation ditch, and default axial prestress is applied to bracing members, make this two face wall can keep by the axial prestress of bracing members the position relationship that relative securement is constant, and then make this two face wall because of the excavation generation moderate finite deformation of deep foundation ditch, the object preventing deep foundation ditch generation gross distortion from subsiding can not be reached.
Existing bracing members is rigid structures, when external environment changes and causes the axial prestress of bracing members to reduce, needs the axial prestress of bracing members to be adjusted in time preset value, prevents deep foundation ditch from deforming better subside to make bracing members.But, bracing members in general deep foundation ditch nearly up to a hundred, external environment change suddenly (such as: environment temperature rapid drawdown, heavy rain, overdraft underground water etc.) cause the axial prestress of bracing members die-off or disappear time, because cannot adjust the axial prestress of all bracing members in time, and cause deep foundation ditch can because the die-offing or disappear and deform and cave in of the axial prestress of bracing members.
Utility model content
The utility model provides active structure in a kind of braced structures and braced structures, in order to solve in prior art external environment change suddenly cause the axial prestress of bracing members die-off or disappear time, because adjusting the axial prestress of all bracing members in deep foundation ditch in time, and cause deep foundation ditch meeting die-offing or disappearing and the problem of caving in that deforms because of the axial prestress of bracing members.
Active structure in the braced structures that the utility model provides, comprising: body, stretching structure, location structure, at least one spring, spring stationary magazine creel, support boots body;
Described stretching structure comprises: pars contractilis and spring guide part, is provided with boss between described pars contractilis and described spring guide part;
The first end of described body is provided with lid, and described lid is provided with the first through hole, and the described pars contractilis of described stretching structure is plugged in described first through hole;
Described location structure is fixedly connected on the inwall of described body, and the part that described pars contractilis stretches into described body is positioned at inside described location structure;
Described spring fixing barrel casing is located at outside described spring guide part, and forms spring fixed space between described spring stationary magazine creel and described spring guide part, and at least one spring housing described to be located on described spring guide part and to be placed in described spring fixed space;
The first end of described spring stationary magazine creel is fixedly connected with described boss, and the second end of described spring stationary magazine creel is provided with closing cap, and described closing cap is provided with the second through hole;
Described support boots body comprises: gripper shoe and boots body, and described gripper shoe is fixedly connected with described boots body by neck tube, described boots body by described neck tube insert in described spring stationary magazine creel with described spring contact, and described gripper shoe to be positioned at described spring stationary magazine creel outside.
As mentioned above, described spring is disk spring.
As mentioned above, described pars contractilis is provided with limited impression.
As mentioned above, interval predeterminable range between the external surface of described pars contractilis and the inner surface of described location structure.
As mentioned above, the diameter of described boss is greater than the diameter of described first through hole.
As mentioned above, the diameter of described boots body is greater than the diameter of described second through hole.
As mentioned above, the second end of described body is provided with connecting portion.
As mentioned above, described location structure is hollow cylinder; Or described location structure comprises: multiple locating piece, described multiple locating piece is evenly distributed on the inwall of described body.
The braced structures that the utility model provides, comprising: the support of fixed end, allotment and above-mentioned arbitrary active structure;
Described fixed end and described active structure are fixedly connected on the two ends of described allotment support respectively.
Active structure in the braced structures that the utility model provides and braced structures, by arranging spring in active structure, and make the spring of setting be compressive state, make when using the braced structures of this active structure to support supported object, active structure can when external environment changes suddenly, by the resilience of spring, automatic promotion boots body moves to needing the direction at the object place supported, the gripper shoe be connected with boots body and the object supported is made to keep the relation fitted tightly, the elastic force simultaneously produced by the recoil of spring in active structure compensate for the axial prestress of die-offing or disappearing, and then make active structure can when external environment changes suddenly, still axial prestress can be applied to supported object, braced structures is assisted effectively to support supported object.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the active constructive embodiment one in the braced structures that Fig. 1 provides for the utility model;
The structural representation of the braced structures embodiment one that Fig. 2 provides for the utility model.
Description of reference numerals:
1: active structure; 2: braced structures;
101: body; 102: stretching structure;
103: location structure; 104: spring;
105: spring stationary magazine creel; 106: support boots body;
107: pars contractilis; 108: spring guide part;
109: boss; 110: lid;
111: the first through holes; 112: spring fixed space;
113: closing cap; 114: the second through holes;
115: gripper shoe; 116: boots body;
117: neck tube; 118: limited impression;
119: connecting portion; 120: hydraulic jack;
201: fixed end; 202: allotment supports.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The structural representation of the active constructive embodiment one in the braced structures that Fig. 1 provides for the utility model, as shown in Figure 1, active structure 1 in this braced structures, comprising: body 101, stretching structure 102, location structure 103, at least one spring 104, spring stationary magazine creel 105, support boots body 106.
Stretching structure 102 comprises: pars contractilis 107 and spring guide part 108, be provided with boss 109 between pars contractilis 107 and spring guide part 108.
The first end of body 101 is provided with lid 110, and lid 110 is provided with the first through hole 111, and the pars contractilis 107 of stretching structure 102 is plugged in the first through hole 111.
Location structure 103 is fixedly connected on the inwall of body 101, and the part that pars contractilis 107 stretches into body 101 is positioned at inside location structure 103.
Spring stationary magazine creel 105 is set in outside spring guide part 108, and forms spring fixed space 112 between spring stationary magazine creel 105 and spring guide part 108, and at least one spring 104 to be set on spring guide part 108 and to be placed in spring fixed space 112.
The first end of spring stationary magazine creel 105 is fixedly connected with boss 109, and the second end of spring stationary magazine creel 105 is provided with closing cap 113, and closing cap 113 is provided with the second through hole 114.
Support boots body 106 comprises: gripper shoe 115 and boots body 116, and gripper shoe 115 is fixedly connected with boots body 116 by neck tube 117, and boots body 116 is inserted in spring stationary magazine creel 105 by neck tube 117 and contacts with spring 104, and gripper shoe 115 is positioned at spring stationary magazine creel 105 outside.Wherein, in order to avoid boots body 116 skids off in spring stationary magazine creel 105, the external diameter of boots body 116 is greater than the external diameter of neck tube 117, and the external diameter of boots body 116 is greater than the internal diameter of the second through hole 114, and the internal diameter of the second through hole 114 is more than or equal to the external diameter of neck tube 117.
Concrete, above-mentioned active structure 1 can combine formation braced structures together with other support components, usually, one end that above-mentioned active structure 1 is arranged on braced structures directly contacts with needing the object etc. supported, and assists the object of braced structures to required support to support.Wherein, the gripper shoe 115 of active structure 1 is fitted with the direct intimate of required support, and the body 101 of active structure 1 is connected with other support components of braced structures.
In specific implementation process, when the first object braced structures including above-mentioned active structure 1 being arranged on required support supports object, need to be done as follows active structure 1: by moving horizontally the pars contractilis 107 of active structure 1, the length of the first through hole 111 is stretched out with the pars contractilis 107 controlling active structure 1, gripper shoe 115 in active structure 1 is fitted with the direct intimate supported, and default axial prestress is applied to active structure 1, make active structure 1 can apply axial prestress to supported object, pressure is applied to the spring 104 in active structure 1 simultaneously, make spring 104 for compressive state.
By will the braced structures of above-mentioned set-up mode be adopted to be arranged on after on the required object supported, suddenly change once external environment and cause between supported object and above-mentioned braced structures, there is gap (namely gripper shoe 115 exists gap with the object supported), by spring 104 automatic rebounding compressed in active structure 1, and then the direction promoting the object place that the gripper shoe 115 that is connected with boots body 116 supports to needs is moved, and makes gripper shoe 115 again can fit tightly with supported object; Meanwhile, the elastic force that spring 104 resilience in active structure 1 produces compensate for the axial prestress of die-offing or disappearing, and then makes active structure 1 that braced structures still can be assisted effectively to support supported object.
In the present embodiment, by arranging spring in active structure, and make the spring of setting be compressive state, make when using the braced structures of this active structure to support supported object, active structure can when external environment changes suddenly, by the resilience of spring, automatic promotion boots body moves to needing the direction at the object place supported, the gripper shoe be connected with boots body and the object supported is made to keep the relation fitted tightly, the elastic force simultaneously produced by the recoil of spring in active structure compensate for the axial prestress of die-offing or disappearing, and then make active structure can when external environment changes suddenly, still axial prestress can be applied to supported object, braced structures is assisted effectively to support supported object.
Further, continue with reference to Fig. 1, the second end of above-mentioned tubular body 101 can also be provided with connecting portion 119, and this connecting portion 119, for being connected with other positions of above-mentioned braced structures, can be arranged on one end of braced structures to make active structure 1.During specific implementation, above-mentioned connecting portion 119 can be flange, be connected with the miscellaneous part of braced structures by flange, but not as limit, the syndeton that this connecting portion 119 can also adopt bolt and through hole to match, be connected with the syndeton that other link matches, the present embodiment repeats no more this.
Further, the pars contractilis 107 of above-mentioned stretching structure 102 can be the structure such as cylinder, cuboid, and can also be other shapes certainly, the present embodiment limit this, and wherein, shown in Fig. 1 is that pars contractilis 107 is described for cuboid.Continue with reference to Fig. 1, above-mentioned pars contractilis 107 can also be provided with limited impression 118, and this limited impression 118 stretches out the length of the first through hole 111 for limiting pars contractilis 107.During specific implementation, one or more limited impression 118 can be set on " pars contractilis 107 can insert and stretch out the part of body 101 ", like this, when the length that pars contractilis 107 stretches out the first through hole 111 can make the gripper shoe 115 in active structure 1 fit with the direct intimate supported, just can by the limited block supporting with limited impression 118 being inserted the mode of limited impression 118, limit the length that pars contractilis 107 stretches out the first through hole 111, the length making pars contractilis 107 stretch out the first through hole 111 remains unchanged, and avoids pars contractilis 107 that unnecessary slip occurs.Like this, just can make the state that gripper shoe 115 keeps continuous close to fit with the object supported, and then make braced structures can carry out continuing and effectively supporting to supported object.Wherein, the shape of above-mentioned limited impression 118 can be determined according to the shape of its supporting limited block.
Further, continue with reference to Fig. 1, as above-described embodiment is said, when the first object braced structures including above-mentioned active structure 1 being arranged on required support supports object, need first to move horizontally pars contractilis 107, therefore, in order to improve the efficiency in moving telescopic portion 107, optionally, the boss 109 arranged between pars contractilis 107 and spring guide part 108 can be designed to " diameter of boss 109 is greater than the diameter of the first through hole 111 ", meanwhile, lid 110 diameter of the first end of body 101 is set to the diameter being more than or equal to body 101.By above-mentioned setting, just can two hydraulic jack 120 be arranged between lid 110 and boss 109, make hydraulic jack 120 can by the support of lid 110 and boss 109, to exerting pressure of boss 109, and then promotion pars contractilis 107 moves, can also realize applying pressure to spring 104 simultaneously, shorten the time on the object braced structures including above-mentioned active structure 1 being arranged on required support and operation.
Further, continue with reference to Fig. 1, above-mentioned location structure 103 can prevent pars contractilis 107 from the location structure offset occurring in body 101 for having, and then pars contractilis 107 can linearly be moved by track.Optionally, above-mentioned location structure 103 can be hollow cylinder, can also comprise multiple locating piece, and wherein, the plurality of locating piece is evenly distributed on the inwall of body 101.During specific implementation, if above-mentioned location structure 103 is hollow cylinder, then can be directly plugged in by hollow cylinder in body 101, the external surface of hollow cylinder contacts with the inner surface of body 101 and is fixedly connected with, and hollow cylinder can be welded on the inwall of body 101 particularly.If above-mentioned location structure 103 is multiple locating piece, then multiple locating piece is fixed on the inwall of body 101, particularly, can respectively multiple locating piece is welded on the inwall of body 101; Wherein, multiple locating piece can be evenly distributed on the inwall of body 101.
It should be noted that, because above-mentioned pars contractilis 107 is moving member, when moving telescopic portion 107, in order to reduce the frictional force of the generation between location structure 103 and pars contractilis 107, can when arranging pars contractilis 107, by interval predeterminable range between the external surface of pars contractilis 107 and the inner surface of location structure 103, like this, just under not affecting location structure 103 and limiting the prerequisite of deviation range when pars contractilis 107 moves, the frictional force produced between location structure 103 and pars contractilis 107 can be decreased.Wherein, above-mentioned predeterminable range can be determined according to the actual demand of user.
Further, continue with reference to Fig. 1, above-mentioned spring 104 can for having the spring of resilience and transmission of pressure function, and more preferably, above-mentioned spring 104 can be disk spring.Wherein, the quantity of above-mentioned spring 104 can be determined according to the axial prestress preset of active structure 1.
Further, continue with reference to Fig. 1, as above-described embodiment is said, when external environment change cause there is gap between supported object and braced structures time, by by the resilience of spring 104 compressed, can automatically promote boots body 116, and then the direction promoting the object place that the gripper shoe 115 that is connected with boots body 116 supports to needs is moved.Therefore, in order to avoid spring 104 is when promoting boots body 116, the power applied boots body 116 is excessive, and make boots body 116 depart from spring stationary magazine creel 105, the diameter of above-mentioned boots body 116 is greater than the diameter of the second through hole 114.
The active structure that the utility model embodiment provides, by arranging spring thereon, and make the spring of setting be compressive state, make when using the braced structures of this active structure to support supported object, active structure can when external environment changes suddenly, by the resilience of spring, automatic promotion boots body moves to needing the direction at the object place supported, the gripper shoe be connected with boots body and the object supported is made to keep the relation fitted tightly, the elastic force simultaneously produced by the recoil of spring in active structure compensate for the axial prestress of die-offing or disappearing, and then make active structure can when external environment changes suddenly, still axial prestress can be applied to supported object, braced structures is assisted effectively to support supported object.
The structural representation of the braced structures embodiment one that Fig. 2 provides for the utility model, as shown in Figure 2, this braced structures 2, comprising: fixed end 201, allotment support any one the active structure 1 in 202 and above-described embodiment.Wherein, fixed end 201 and active structure 1 are fixedly connected on the two ends of allotment support 202 respectively.
It should be noted that, the braced structures 2 that the utility model embodiment provides can be arranged between the two relative face walls of the space enclosing structure of deep foundation ditch, and the two relative face walls for the space enclosing structure to deep foundation ditch support.Certainly, not as limit, the various scene needing two ends to do to support can also be applied to.
Continue below to see figures.1.and.2, the present embodiment will be arranged on the installation site of presetting between the two relative face wall A of the space enclosing structure of deep foundation ditch and wall B for braced structures 2, the braced structures 2 that describing the utility model in detail provides realizes the principle supported to the object of required support.
First, according to the actual range between wall A and wall B, determine the length of braced structures 2, namely determine specification and the number of fixed end 201 in braced structures 2, and allotment supports specification and the number of 202.Wherein, the length of braced structures 2 can be slightly less than the actual range between wall A and wall B.
Secondly, according to the length of the braced structures 2 determined, fixed end 201 and active structure 1 are fixedly connected on respectively the two ends of allotment support 202, complete the assembled of braced structures 2.This mode be fixedly connected with can for being all fixedly connected on the two ends of allotment support 202 respectively by connecting portion by fixed end 201 and active structure 1.
Then, assembled good braced structures 2 is placed between wall A and wall B by loop wheel machine, and by hydraulic jack 120, active structure 1 is exerted pressure, the pars contractilis 107 of active structure 1 is moved along direction C, until the gripper shoe 115 of active structure 1 fits tightly with wall B, fixed end 201 and wall A fit tightly, and apply default axial prestress to active structure 1, pressure is applied to spring 104 simultaneously, make spring 104 for compressive state.
Finally, in the limited impression 118 of pars contractilis 107, insert one or more limited block, after the length that fixing pars contractilis 107 stretches out, remove hydraulic jack 120.
Like this by above-mentioned setting, wall A and wall B just can keep by the axial prestress of the active structure 1 of braced structures 2 relation that relative securement is constant.When external environment changes suddenly (such as: environment temperature rapid drawdown causes above-mentioned braced structures 2 entirety to produce shrinkage reaction etc.), there is gap when causing keeping the relation fitted tightly in " gripper shoe of active structure 1 115 and the wall B " of braced structures 2, by spring 104 automatic rebounding compressed in active structure 1, and then promotion boots body 116 moves to the direction at wall B place, makes the gripper shoe 115 be connected with boots body 116 again can fit tightly with wall B; Simultaneously, the elastic force that spring 104 resilience in active structure 1 produces compensate for the axial prestress of die-offing or disappearing, and then braced structures 2 when external environment changes suddenly, still effectively can be supported wall A and wall B by the axial prestress of active structure 1.
The braced structures that the present embodiment provides, by arranging spring in active structure, and make the spring of setting be compressive state, make when using two relative face walls of the space enclosing structure of this braced structures to deep foundation ditch to support, this braced structures can when external environment changes suddenly, according to the gap between the wall that it supports, by the resilience of spring, the direction at the wall place that automatic promotion boots body supports to it is moved, and makes the gripper shoe be connected with boots body and the object supported keep the relation fitted tightly; Simultaneously, the elastic force produced by the recoil of spring in active structure compensate for the axial prestress of die-offing or disappearing, and then braced structures when external environment changes suddenly, still effectively can be supported by the two relative face walls of the axial prestress of active structure to the space enclosing structure of deep foundation ditch.Further, generally, above-mentioned braced structures is arranged on the quantity nearly up to a hundred in deep foundation ditch, therefore, when external environment occurs to change suddenly, because the axial prestress of the active structure in above-mentioned braced structures there will not be the situation die-offing or disappear, so can when external environment changes suddenly, the axial prestress of the active structure of all braced structuress in deep foundation ditch is adjusted timely, braced structures can be supported better to deep foundation ditch, avoid deep foundation ditch and to deform the possibility of caving in.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (9)
1. the active structure in braced structures, is characterized in that, comprising: body, stretching structure, location structure, at least one spring, spring stationary magazine creel, support boots body;
Described stretching structure comprises: pars contractilis and spring guide part, is provided with boss between described pars contractilis and described spring guide part;
The first end of described body is provided with lid, and described lid is provided with the first through hole, and the described pars contractilis of described stretching structure is plugged in described first through hole;
Described location structure is fixedly connected on the inwall of described body, and the part that described pars contractilis stretches into described body is positioned at inside described location structure;
Described spring fixing barrel casing is located at outside described spring guide part, and forms spring fixed space between described spring stationary magazine creel and described spring guide part, and at least one spring housing described to be located on described spring guide part and to be placed in described spring fixed space;
The first end of described spring stationary magazine creel is fixedly connected with described boss, and the second end of described spring stationary magazine creel is provided with closing cap, and described closing cap is provided with the second through hole;
Described support boots body comprises: gripper shoe and boots body, and described gripper shoe is fixedly connected with described boots body by neck tube, described boots body by described neck tube insert in described spring stationary magazine creel with described spring contact, and described gripper shoe to be positioned at described spring stationary magazine creel outside.
2. active structure according to claim 1, is characterized in that, described spring is disk spring.
3. active structure according to claim 1, is characterized in that, described pars contractilis is provided with limited impression.
4. active structure according to claim 1, is characterized in that, interval predeterminable range between the external surface of described pars contractilis and the inner surface of described location structure.
5. active structure according to claim 1, is characterized in that, the diameter of described boss is greater than the diameter of described first through hole.
6. active structure according to claim 1, is characterized in that, the diameter of described boots body is greater than the diameter of described second through hole.
7. active structure according to claim 1, is characterized in that, the second end of described body is provided with connecting portion.
8. active structure according to claim 1, is characterized in that, described location structure is hollow cylinder; Or,
Described location structure comprises: multiple locating piece, and described multiple locating piece is evenly distributed on the inwall of described body.
9. a braced structures, is characterized in that, comprising: the support of fixed end, allotment and the active structure described in any one of claim 1-8;
Described fixed end and described active structure are fixedly connected on the two ends of described allotment support respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503110.XU CN204849776U (en) | 2015-07-10 | 2015-07-10 | Loose structure and bearing structure among bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520503110.XU CN204849776U (en) | 2015-07-10 | 2015-07-10 | Loose structure and bearing structure among bearing structure |
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| Publication Number | Publication Date |
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| CN204849776U true CN204849776U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520503110.XU Expired - Fee Related CN204849776U (en) | 2015-07-10 | 2015-07-10 | Loose structure and bearing structure among bearing structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965329A (en) * | 2017-12-25 | 2018-04-27 | 辽宁三三工业有限公司 | A kind of novel support boots structure |
| CN111549796A (en) * | 2020-05-28 | 2020-08-18 | 浙江明思特建筑支护技术有限公司 | Support head for foundation pit and use method of support head |
| CN111794284A (en) * | 2020-06-30 | 2020-10-20 | 中铁大桥局第七工程有限公司 | Support changing system for post-cast strip and construction method thereof |
| CN112376928A (en) * | 2020-10-21 | 2021-02-19 | 上海建工五建集团有限公司 | Installation method of slidable support system suitable for vertical narrow space |
| CN113047305A (en) * | 2021-03-31 | 2021-06-29 | 深圳市市政设计研究院有限公司 | Can bear tensile foundation ditch steel shotcrete supporting construction |
-
2015
- 2015-07-10 CN CN201520503110.XU patent/CN204849776U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965329A (en) * | 2017-12-25 | 2018-04-27 | 辽宁三三工业有限公司 | A kind of novel support boots structure |
| CN111549796A (en) * | 2020-05-28 | 2020-08-18 | 浙江明思特建筑支护技术有限公司 | Support head for foundation pit and use method of support head |
| CN111794284A (en) * | 2020-06-30 | 2020-10-20 | 中铁大桥局第七工程有限公司 | Support changing system for post-cast strip and construction method thereof |
| CN112376928A (en) * | 2020-10-21 | 2021-02-19 | 上海建工五建集团有限公司 | Installation method of slidable support system suitable for vertical narrow space |
| CN113047305A (en) * | 2021-03-31 | 2021-06-29 | 深圳市市政设计研究院有限公司 | Can bear tensile foundation ditch steel shotcrete supporting construction |
| CN113047305B (en) * | 2021-03-31 | 2022-05-06 | 深圳市市政设计研究院有限公司 | Can bear tensile foundation ditch steel shotcrete supporting construction |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |