CN104612416A - Elastic supporting device capable of performing unloading and temporary load supporting method with elastic supporting device - Google Patents
Elastic supporting device capable of performing unloading and temporary load supporting method with elastic supporting device Download PDFInfo
- Publication number
- CN104612416A CN104612416A CN201410853761.1A CN201410853761A CN104612416A CN 104612416 A CN104612416 A CN 104612416A CN 201410853761 A CN201410853761 A CN 201410853761A CN 104612416 A CN104612416 A CN 104612416A
- Authority
- CN
- China
- Prior art keywords
- plate
- sand
- supporting unit
- resilient supporting
- sand cylinder
- 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.)
- Granted
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to the technical field of constructional engineering construction, and discloses an elastic supporting device capable of performing unloading and a temporary load supporting method with the elastic supporting device to solve the problems that a common rigidity temporary supporting component cannot limit supporting force, safety is poor during unloading, a hydraulic jack is adopted as a support, operation is complex, and the maintaining cost is high. The elastic supporting device comprises an unloading assembly and an elastic support which is arranged in the unloading assembly in a sleeved mode and longitudinally slides along the inner wall, a core shaft is arranged in an inner sleeve, the bottom end of the core shaft penetrates through a bottom plate and is locked through a nut, the top end of the core shaft is connected with an upper cover plate, the core shaft is sleeved with a belleville spring set, and an outer sleeve is arranged outside the inner sleeve in a sleeving mode and can longitudinally slide along the inner sleeve. The unloading assembly comprises a sand cylinder with the bottom connected with a bottom sealing plate, and a partition plate arranged in the sand cylinder, the bottom plate and the partition plate are matched with the sand cylinder in internal diameter and can longitudinally move along the inner wall of the sand cylinder, a second cavity of the sand cylinder is filled with sand, a sand discharging pipe is arranged at the lower portion of the sand cylinder, a sealing bolt of the sand discharging pipe is loosened during unloading, the sand in the second cavity is discharged, the height of the supporting device is reduced, and the unloading purpose is achieved.
Description
Technical field
The present invention relates to civil construction project technical field of construction, particularly a kind of method unloading resilient supporting unit and utilize its temporary support load.
Background technology
Construction steel structure is large-span steel especially, often adopts steel tube component to carry out temporary support steel superstructure, formed after entirety until steel superstructure in construction, gas cutting mode is adopted to be cut off by steel pipe, to make original height reduction, thus reach the object of unloading, then remove these temporary support components.In work progress, the power that steel superstructure passes to these temporary support components is very large, this discharging method poor stability simultaneously.When building large-span steel above subway or other underground structure, the excessive safety that may affect underground structure of the power on temporary support component.In this case, more employing great tonnage hydraulic jack is used for temporary support load, thus can control the load that is delivered on underground structure.But great tonnage hydraulic jack price is high, and after supporting the long period, it sinks obviously, and thus affect the construction of steel work, serious may cause security incident.
Therefore, how to design a kind of load large, and unload temporary support structure easily and become the problem that those skilled in the art constantly explore.
Summary of the invention
Support force cannot be limited for conventional rigid temporary support component; poor stability during unloading; and adopt hydraulic jack as bearing; the problem that complicated operation, maintenance cost are high; the object of this invention is to provide a kind of method unloading resilient supporting unit and utilize its temporary support load; the bracing or strutting arrangement being provided with butterfly spring group is utilized to transmit the load of superstructure; control the load of temporary support; the safety of protection underground building, its underpart structure; and remove bracing or strutting arrangement by leaking husky method, and load is unloaded on permanent structure.
The present invention solves the one that its technical problem adopts can unload resilient supporting unit, comprise: the elastic support from top to bottom arranged and unloading assembly, described elastic support is sheathed in described unloading assembly, and can make longitudinal relative sliding along described unloading assembly inwall, described elastic support comprises inner sleeve, be fixed in the base plate bottom described inner sleeve, vertically be arranged at the mandrel in described inner sleeve, and be fixed in the upper cover plate at described mandrel top, the bottom of described mandrel through described base plate centre bore and by nut check, described upper cover plate is formed by connecting by end plate and outer sleeve, described outer sleeve is set in described inner sleeve outside and can along the longitudinal relative sliding of described inner sleeve, described upper cover plate, inner sleeve and described base plate form a closed cavities one jointly, the butterfly spring group be arranged in described cavity one is sheathed on described mandrel, the described top of butterfly spring group and the end plate of described upper cover plate offset, described unloading assembly comprises the sand cylinder that bottom is connected with back cover plate, and the dividing plate be arranged in described sand cylinder, described dividing plate is connected by the bed bolt of link with described elastic support, the top bolt of described sand cylinder is connected with annular end plate, the base plate of described elastic support and the dividing plate of described sand cylinder to be all arranged in described sand cylinder and with the minor diameter fit of sand cylinder, the external diameter of described elastic support inner sleeve matches with the centre bore of described annular end plate, make described inner sleeve that described dividing plate can be driven along the longitudinal relative sliding of described sand cylinder inwall, described dividing plate, back cover plate and described sand cylinder form a closed cavities two, described cavity two is for heap sand, the bottom of described sand cylinder sidewall is provided with at least one sediment outflow pipe be communicated with described cavity two.
Preferably, the outer wall of described inner sleeve arranges overload mark line, or on described inner sleeve setting pressure sensor, and described pressure sensor is connected with warning device signal.
Preferably, also comprise the bearing plate be arranged on described elastic support end plate, described bearing plate is made up of bakelite plate, and is threaded on described end plate.
Preferably, described dividing plate sidewall is provided with annular groove, is provided with O RunddichtringO in described annular groove.
Preferably, the bottom of described sand drum outer wall is connected with the base-plate of bolt hole, is connected with vertical stiffening rib between described base-plate and described sediment outflow pipe.
Preferably, described sediment outflow pipe is obliquely installed the outer wall in described sand cylinder, and the free end of described sediment outflow pipe tilts near the direction of described base-plate, and one end conically bolt thread is connected to the free end of described sediment outflow pipe.
Preferably, what the bottom of described sand cylinder internal cavity two was provided with taper type leads sand plate, it is described that to lead the sand plate side relative with described sediment outflow pipe be inclined plane, described width of leading sand plate inclined plane is 100mm ~ 150mm, be highly 80mm ~ 120mm, its tilt angle alpha is with respect to the horizontal plane 30 ° ~ 60 °.
Preferably, it also comprises columniform butterfly spring abutment, and described butterfly spring abutment is sheathed on described mandrel, and between described butterfly spring group and described base plate.
Preferably, the outer wall of described outer sleeve is also evenly equipped with some lugs for lifting.
Preferably, described butterfly spring group is made up of at least two butterfly spring unit, and adjacent two described butterfly spring unit are oppositely arranged, and each butterfly spring unit forms by least one butterfly spring is stacked.
In addition, present invention also offers a kind of method unloading resilient supporting unit temporary support load, step is as follows:
Step one: calculate and determine the peak load that support node bears and maximum displacement, according to designing support stiffness, the bearing capacity of needs and being out of shape specification, quantity and the stacked system of determining butterfly spring, resilient supporting unit can be unloaded described in assembling, in described cavity two, sand body is poured into by the bolt hole on back cover plate bottom described sand cylinder, and with silently bolt tightening to close described bolt hole, after precommpression is carried out to described butterfly spring group, screw the nut of described mandrel bottom;
Step 2: the described resilient supporting unit that unloads is connected on support node, makes load action unload resilient supporting unit in described;
Step 2: when need unload, unclamps the bolt on described sediment outflow pipe, discharges the sand in described sand cylinder, the described resilient supporting unit relative altitude that can unload is reduced, thus can unload resilient supporting unit described in removing, and replaced by permanent structure.
Preferably, described step 2 also comprises, and monitors the described overload mark line on described elastic support inner sleeve, or the signal spread out of by the described pressure sensor be fixed on described inner sleeve judge described in can unload resilient supporting unit and whether overload.
Effect of the present invention is:
One, the unloaded resilient supporting unit of invention is made up of elastic support and unloading assembly, elastic support can along the longitudinal relative sliding of unloading assembly, due to during assembling, precommpression is carried out to butterfly spring group, when load action is at elastic support top, butterfly spring group start stressed be less than setting numerical value time, elastic support maintaining rigidness.Now whole elastic support is rigid support, component not downwarp when can guarantee that steel superstructure is constructed, and ensures Construction of Steel Structure quality.When load is greater than setting numerical value, elastic support enters elastic stage, and elastic support starts to produce displacement; now the permanent steel work in top forms entirety; permanent steel work self starts to bear fractional load, thus limits load on elastic support, protects the safety of underground structure.When needing unload supporting device, only need open the outlet of sediment outflow pipe, sand body is made to flow out sand cylinder, can reduce the height of bracing or strutting arrangement, thus reach the object of unloading, of the present invention to unload resilient supporting unit structure simple, be easy to operation, unload carried convenient and to structure not damaged, can Reusability, reduce construction cost.
Two, the unloaded resilient supporting unit of invention is provided with overload mark line or pressure sensor at the outer wall of the inner sleeve doing longitudinal sliding motion, constructability personnel understand the working condition of bracing or strutting arrangement in time, overload can be controlled and limit load increase, thus ensure that construction safety, the temporary support that the present invention is specially adapted to large-tonnage object, the occasion needing payload overload to control and unload voluntarily.
Three, the present invention utilizes the method that can unload resilient supporting unit temporary support load, first in the cavity two of sand cylinder, pour into sand and close, during assembling, precommpression is carried out to butterfly spring group, when the load acting on elastic support end face is greater than setting numerical value, elastic support enters elastic stage, and elastic support starts to produce displacement, now the permanent steel work in top forms entirety, permanent steel work self starts to bear fractional load, thus limits load on elastic support, protects the safety of underground structure; When needing unload supporting device, by the bolt unclamped on sediment outflow pipe, sand body being flowed out, making the height reduction of bracing or strutting arrangement, thus reaching unloading object, and being replaced by permanent structure.Adopt the method for temporary support load of the present invention, realizing the unloading of bracing or strutting arrangement by leaking the mode of sand, operating simple and easy, and can Reusability, safe operation process is reliable, improves operating efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the A-A sectional drawing of Fig. 1.
Detailed description of the invention
What propose the present invention below in conjunction with the drawings and specific embodiments a kind ofly unloads resilient supporting unit and utilizes the method for its temporary support load to be described in further detail.According to explanation below and claims, advantages and features of the invention will be clearer.Below by cited embodiment by reference to the accompanying drawings, technology contents of the present invention and feature will be described in detail.Need to illustrate in addition, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.For sake of convenience, hereinafter described " on ", D score is consistent with the upper and lower direction of accompanying drawing, but this can not become the restriction of technical solution of the present invention.
Embodiment one: composition graphs 1 and Fig. 2 illustrate and of the present inventionly unload resilient supporting unit 100, it comprises the elastic support 20 and unloading assembly 30 that arrange from top to bottom, wherein, elastic support 20 is sheathed in unloading assembly 30, and can make longitudinal relative sliding along unloading assembly 30 inwall;
Elastic support 20 comprises inner sleeve 21, be fixed in base plate 22 bottom inner sleeve 21, the mandrel 23 be vertically arranged in inner sleeve 21, and is fixed in the upper cover plate at mandrel 23 top.The bottom of mandrel 23 is passed the centre bore of base plate 22 and is locked by nut 23'.Upper cover plate is formed by connecting by end plate 24 and outer sleeve 25, and outer sleeve 25 is set in inner sleeve 21 outside and can along the longitudinal relative sliding of inner sleeve 21.Upper cover plate, inner sleeve 21 and base plate 22 form a closed cavities 1 jointly, and the butterfly spring group 27 be arranged in cavity 1 is sheathed on mandrel 23.The top of butterfly spring group 27 and the end plate 24 of upper cover plate offset, and make to keep certain interval between the end plate 24 of upper cover plate and inner sleeve 21, after elastic support 20 pressurized, for outer sleeve 25 slide downward provides certain flexible surplus.
Unloading assembly 30 comprises the sand cylinder 31 that bottom is connected with back cover plate 32, and is arranged at the dividing plate 33 in sand cylinder 31.Dividing plate 33 is connected with base plate 22 bolt of elastic support 20 by link 34.The top bolt of sand cylinder 31 is connected with annular end plate 35, the base plate 22 of elastic support 20 and the dividing plate 33 of sand cylinder 31 to be all arranged in sand cylinder 31 and with the minor diameter fit of sand cylinder 31, the external diameter of elastic support 20 inner sleeve 21 matches with the centre bore of annular end plate 35, makes inner sleeve 21 that dividing plate 33 can be driven along the longitudinal relative sliding of sand cylinder 31 inwall.The setting of annular end plate 35, can avoid base plate 22 and dividing plate 33 to skid off sand cylinder 31.Dividing plate 33, back cover plate 32 form a closed cavities 2 36 with sand cylinder 31, and cavity 2 36 is for heap sand (not shown).In the present embodiment, uniform four the sediment outflow pipes 37 be communicated with cavity 2 36 in bottom of sand cylinder 31 sidewall, certainly, the quantity of sediment outflow pipe 37 also can adjust according to design needs.The present invention, by unclamping sediment outflow pipe 37, makes sand flow shake out cylinder 31, makes to unload resilient supporting unit 100 height reduction under pressure, thus reach the object of unloading, the present embodiment can unload resilient supporting unit 100 specification two kinds, is respectively carrying 800000kg, maximum displacement 16mm; And carrying 1000000kg, maximum displacement 24mm.
The resilient supporting unit 100 that unloads of the present invention is made up of elastic support 20 and unloading assembly 30, elastic support 20 can along the longitudinal relative sliding of unloading assembly 30, due to during assembling, precommpression is carried out to butterfly spring group 27, when load action is at elastic support 20 top, butterfly spring group 27 start stressed be less than setting numerical value time, elastic support 20 maintaining rigidness.Now whole elastic support 20 is rigid support, component not downwarp when can guarantee that steel superstructure is constructed, and ensures Construction of Steel Structure quality.When load is greater than setting numerical value, elastic support 20 enters elastic stage, and elastic support 20 starts to produce displacement; now the permanent steel work in top forms entirety; permanent steel work self starts to bear fractional load, thus limits load on elastic support 20, protects the safety of underground structure.When needing unload supporting device 100, only need open the outlet of sediment outflow pipe 37, sand body is made to flow out sand cylinder 31, can reduce the height of bracing or strutting arrangement 100, thus reach the object of unloading, of the present invention to unload resilient supporting unit 100 structure simple, be easy to operation, unload carried convenient and to structure not damaged, can Reusability, reduce construction cost.
Overload for avoiding unloading resilient supporting unit 100 and cause security incident, overload mark line (not shown) can be set at the outer wall of inner sleeve 21, in order to monitor the generation of overload condition; Preferably, also can on inner sleeve 21 setting pressure sensor (not shown), and pressure sensor is connected, when overload condition occurs with warning device signal, warning device can send alarm signal, the increase of the timely control load of constructability personnel.
Further, can unload resilient supporting unit 100 and also comprise the bearing plate 28 be arranged on elastic support 20 end plate 24, bearing plate 28 is made up of bakelite plate, and is threaded on end plate 24.When steel work load is placed on the top that can unload resilient supporting unit 100, the bearing plate 28 of bakelite plate material can discharge the horizontal force of steel work.Bakelite plate full name is epoxy novolac laminated paper board, it be the excellent long-pending paper of bleaching wood of using character and lint paper as reinforcement, and with the petrochemical material of high-purity, full synthesis react the phenolic resins made and form as resin binder manufacture.
Continuing with reference to figure 1, can stably be supported in external structure for making to unload resilient supporting unit 100, the bottom of sand cylinder 31 outer wall connects the base-plate 38 being evenly equipped with bolt hole, can be connected to unloading resilient supporting unit 100 bolt in external structure.For strengthening the stability of structure, between base-plate 38 and sediment outflow pipe 37, be connected with vertical stiffening rib.
Preferably, dividing plate 33 sidewall is provided with annular groove, is provided with O RunddichtringO 33' in annular groove, and O RunddichtringO 33' is arranged so that dividing plate 33 is more tight with the laminating of sand cylinder 31 inwall, prevents the sand in cavity 2 36 from leaking outside under pressure.
Continue with reference to figure 1, sediment outflow pipe 37 is obliquely installed in sand cylinder 31 outer wall, one end of sediment outflow pipe 37 communicates with sand cylinder 31, and its other end (i.e. free end) tilts near the direction of base-plate 38, and one end conically bolt 40 is threaded in the free end of sediment outflow pipe 37.When sand body in sand cylinder 31 is stressed, four conically bolt 40 be tightened in the free end of sediment outflow pipe 37, stop sand body landing, during unloading, unclamp one or more bolt 40, sand body then outwards flows out along sediment outflow pipe 37, and elastic support 20 is sunk, resilient supporting unit 100 can be unloaded highly decline, thus realize unloading.Recycling for the ease of sand body, can arrange sand body retracting device in sediment outflow pipe 37 bottom.The sand adopted in the present embodiment is iron sand, certainly, also can adopt other similar sand, be not construed as limiting herein.
Better, what the bottom of sand cylinder 31 internal cavity 2 36 was provided with approximate taper type leads sand plate 39, leading sand plate 39 side relative with sediment outflow pipe 37 is inclined plane, the width of leading sand plate 39 inclined plane is 100mm ~ 150mm, be highly 80mm ~ 120mm, its tilt angle alpha is with respect to the horizontal plane 30 ° ~ 60 °.In the present embodiment, the width of leading the inclined plane of sand plate 39 is 120mm, is highly 110mm, and its tilt angle alpha is with respect to the horizontal plane 45 °.The setting leading sand plate 39 is more conducive to sand body slide downward, to accelerate discharge rate.
Can unload resilient supporting unit 100 and also comprise columniform butterfly spring abutment 29, butterfly spring abutment 29 is sheathed on mandrel 23, and between butterfly spring group 27 and base plate 22.Butterfly spring abutment 29 and end plate 24 play the effect of fixing butterfly spring group 27 jointly.Better, the outer wall of outer sleeve 25 is also evenly equipped with some lug 25' for lifting.
In the present embodiment, according to calculate determine support node peak load and maximum displacement after, select suitable butterfly spring specification, quantity and stacked system, because load is larger, butterfly spring group 27 has selected 12 butterfly springs, the stressed 42000kg of a slice butterfly spring, displacement 8mm, 3 is a butterfly spring unit, totally 4 butterfly spring unit, and adjacent two butterfly spring unit are oppositely arranged, each butterfly spring unit forms by 3 butterfly springs are stacked, it is stressed is 3 stressed sums of butterfly spring, adopting 4 butterfly spring unit to be to increase displacement, being 3 times an of element displacement.
Embodiment two: composition graphs 1 and Fig. 2 illustrate and utilize the method unloading resilient supporting unit temporary support load of the present invention, and concrete steps are as follows:
S101: first calculate and determine the peak load that support node bears and maximum displacement, according to the support stiffness that design needs, the specification of butterfly spring is determined in bearing capacity and distortion, quantity and stacked system, assembling can unload resilient supporting unit 100, in cavity 2 36, sand body is poured into by the bolt hole 32' on back cover plate 32 bottom sand cylinder 31, and with silently bolt tightening to close above-mentioned bolt hole, then, the nut 23' of mandrel 23 bottom is screwed after precommpression is carried out to butterfly spring group 27, the object of precompressed butterfly spring group 27 is to allow butterfly spring group 27 enter duty (it just can be made to reach duty after must applying a point pressure to butterfly spring group 27),
S102: resilient supporting unit 100 bolt can be unloaded and be connected on the strong point, make load action in unloading on resilient supporting unit 100, start stressedly can unload resilient supporting unit 100 maintaining rigidness when being less than specified value, when load is greater than setting, it is in elastic stage;
S103: when need unload, unclamps the bolt 40 on sediment outflow pipe 37, discharges the iron sand in sand cylinder 31, make to unload resilient supporting unit 100 relative altitude and reduce, thus dismounting can unload resilient supporting unit 100, and be replaced by permanent structure.
The present invention utilizes the method that can unload resilient supporting unit 100 temporary support load, first in the cavity 2 36 of sand cylinder 31, pour into sand and close, during assembling, precommpression is carried out to butterfly spring group 27, when the load acting on elastic support 20 end face is greater than setting numerical value, elastic support 20 enters elastic stage, elastic support 20 starts to produce displacement, now the permanent steel work in top forms entirety, permanent steel work self starts to bear fractional load, thus limit load on elastic support 20, protect the safety of underground structure; When needing unload supporting device 100, by the bolt 40 unclamped on sediment outflow pipe 37, sand body being flowed out, making the height reduction of bracing or strutting arrangement 100, thus reach unloading object, and replaced by permanent structure.Adopt the method for temporary support load of the present invention, realizing the unloading of bracing or strutting arrangement 100 by leaking the mode of sand, operating simple and easy, and can Reusability, safe operation process is reliable, improves operating efficiency.
As better embodiment, above-mentioned steps S102 also comprises, the overload mark line of monitoring elastic support 20 inner sleeve 21, or the signal spread out of by the pressure sensor be fixed on inner sleeve 21 judges whether can unload resilient supporting unit 100 overloads, the increase of the timely control load of constructability personnel.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (12)
1. can unload a resilient supporting unit, it is characterized in that, comprise:
The elastic support from top to bottom arranged and unloading assembly, described elastic support is sheathed in described unloading assembly, and can make longitudinal relative sliding along described unloading assembly inwall;
Described elastic support comprises inner sleeve, be fixed in the base plate bottom described inner sleeve, vertically be arranged at the mandrel in described inner sleeve, and be fixed in the upper cover plate at described mandrel top, the bottom of described mandrel through described base plate centre bore and by nut check, described upper cover plate is formed by connecting by end plate and outer sleeve, described outer sleeve is set in described inner sleeve outside and can along the longitudinal relative sliding of described inner sleeve, described upper cover plate, inner sleeve and described base plate form a closed cavities one jointly, the butterfly spring group be arranged in described cavity one is sheathed on described mandrel, the described top of butterfly spring group and the end plate of described upper cover plate offset,
Described unloading assembly comprises the sand cylinder that bottom is connected with back cover plate, and the dividing plate be arranged in described sand cylinder, described dividing plate is connected by the bed bolt of link with described elastic support, the top bolt of described sand cylinder is connected with annular end plate, the base plate of described elastic support and the dividing plate of described sand cylinder to be all arranged in described sand cylinder and with the minor diameter fit of sand cylinder, the external diameter of described elastic support inner sleeve matches with the centre bore of described annular end plate, make described inner sleeve that described dividing plate can be driven along the longitudinal relative sliding of described sand cylinder inwall, described dividing plate, back cover plate and described sand cylinder form a closed cavities two, described cavity two is for heap sand, the bottom of described sand cylinder sidewall is provided with at least one sediment outflow pipe be communicated with described cavity two.
2. according to claim 1ly unload resilient supporting unit, it is characterized in that: the outer wall of described inner sleeve arranges overload mark line, or on described inner sleeve setting pressure sensor, and described pressure sensor is connected with warning device signal.
3. according to claim 1ly unload resilient supporting unit, it is characterized in that: also comprise the bearing plate be arranged on described elastic support end plate, described bearing plate is made up of bakelite plate, and is threaded on described end plate.
4. according to claim 1ly unload resilient supporting unit, it is characterized in that: described dividing plate sidewall is provided with annular groove, is provided with O RunddichtringO in described annular groove.
5. according to claim 1ly unload resilient supporting unit, it is characterized in that: the bottom of described sand drum outer wall is connected with the base-plate of bolt hole, is connected with vertical stiffening rib between described base-plate and described sediment outflow pipe.
6. according to claim 5ly unload resilient supporting unit, it is characterized in that: described sediment outflow pipe is obliquely installed the outer wall in described sand cylinder, the free end of described sediment outflow pipe tilts near the direction of described base-plate, and one end conically bolt thread is connected to the free end of described sediment outflow pipe.
7. according to claim 1ly unload resilient supporting unit, it is characterized in that: what the bottom of described sand cylinder internal cavity two was provided with taper type leads sand plate, it is described that to lead the sand plate side relative with described sediment outflow pipe be inclined plane, described width of leading sand plate inclined plane is 100mm ~ 150mm, be highly 80mm ~ 120mm, its tilt angle alpha is with respect to the horizontal plane 30 ° ~ 60 °.
8. according to claim 1ly unload resilient supporting unit, it is characterized in that: it also comprises columniform butterfly spring abutment, described butterfly spring abutment is sheathed on described mandrel, and between described butterfly spring group and described base plate.
9. according to claim 1ly unloading resilient supporting unit, it is characterized in that: the outer wall of described outer sleeve is also evenly equipped with some lugs for lifting.
10. the unloaded resilient supporting unit according to any one of claim 1 to 9, it is characterized in that: described butterfly spring group is made up of at least two butterfly spring unit, adjacent two described butterfly spring unit are oppositely arranged, and each butterfly spring unit forms by least one butterfly spring is stacked.
The method of the unloaded resilient supporting unit temporary support load of 11. 1 kinds of utilizations as described in any one of claim 1 to 10, step is as follows:
Step one: calculate and determine the peak load that support node bears and maximum displacement, according to designing support stiffness, the bearing capacity of needs and being out of shape specification, quantity and the stacked system of determining butterfly spring, resilient supporting unit can be unloaded described in assembling, in described cavity two, sand body is poured into by the bolt hole on back cover plate bottom described sand cylinder, and with silently bolt tightening to close described bolt hole, after precommpression is carried out to described butterfly spring group, screw the nut of described mandrel bottom;
Step 2: the described resilient supporting unit that unloads is connected on support node, makes load action unload resilient supporting unit in described;
Step 2: when need unload, unclamps the bolt on described sediment outflow pipe, discharges the sand in described sand cylinder, the described resilient supporting unit relative altitude that can unload is reduced, thus can unload resilient supporting unit described in removing, and replaced by permanent structure.
The method of 12. temporary support loads according to claim 11, it is characterized in that: described step 2 also comprises, monitor the described overload mark line on described elastic support inner sleeve, or the signal spread out of by the described pressure sensor be fixed on described inner sleeve judge described in can unload resilient supporting unit and whether overload.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853761.1A CN104612416B (en) | 2014-12-31 | 2014-12-31 | A kind of off-loadable resilient supporting unit and the method utilizing its temporary support load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853761.1A CN104612416B (en) | 2014-12-31 | 2014-12-31 | A kind of off-loadable resilient supporting unit and the method utilizing its temporary support load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104612416A true CN104612416A (en) | 2015-05-13 |
| CN104612416B CN104612416B (en) | 2016-10-05 |
Family
ID=53147043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410853761.1A Active CN104612416B (en) | 2014-12-31 | 2014-12-31 | A kind of off-loadable resilient supporting unit and the method utilizing its temporary support load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104612416B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567556A (en) * | 2016-11-03 | 2017-04-19 | 上海建工七建集团有限公司 | Support system |
| CN112813836A (en) * | 2020-12-31 | 2021-05-18 | 中铁二十局集团第六工程有限公司 | Cast-in-place box girder construction method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3739754A1 (en) * | 1987-11-24 | 1989-06-08 | Mueller & Baum | Vertically adjustable support for a floor shuttering |
| CN201095873Y (en) * | 2007-08-14 | 2008-08-06 | 中国化学工程第三建设公司 | Load bearing steel grit box easy for unloading |
| CN201902027U (en) * | 2010-11-11 | 2011-07-20 | 上海市机械施工有限公司 | Unloading support seat |
| CN102425313A (en) * | 2011-12-21 | 2012-04-25 | 中铁建工集团有限公司 | Carriage stepped unloading method after expanding large-span truss structure |
| CN102913001A (en) * | 2012-10-18 | 2013-02-06 | 东南大学 | Supporting mechanism for unloading building structural member and use method thereof |
| CN203247869U (en) * | 2012-11-14 | 2013-10-23 | 中冶天工集团有限公司 | Dismounting device used for building structure |
| CN103835527A (en) * | 2014-03-18 | 2014-06-04 | 中天建设集团有限公司 | Detachable shoring device and application thereof |
| CN204456947U (en) * | 2014-12-31 | 2015-07-08 | 上海市机械施工集团有限公司 | A kind of resilient supporting unit being convenient to unload |
-
2014
- 2014-12-31 CN CN201410853761.1A patent/CN104612416B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3739754A1 (en) * | 1987-11-24 | 1989-06-08 | Mueller & Baum | Vertically adjustable support for a floor shuttering |
| CN201095873Y (en) * | 2007-08-14 | 2008-08-06 | 中国化学工程第三建设公司 | Load bearing steel grit box easy for unloading |
| CN201902027U (en) * | 2010-11-11 | 2011-07-20 | 上海市机械施工有限公司 | Unloading support seat |
| CN102425313A (en) * | 2011-12-21 | 2012-04-25 | 中铁建工集团有限公司 | Carriage stepped unloading method after expanding large-span truss structure |
| CN102913001A (en) * | 2012-10-18 | 2013-02-06 | 东南大学 | Supporting mechanism for unloading building structural member and use method thereof |
| CN203247869U (en) * | 2012-11-14 | 2013-10-23 | 中冶天工集团有限公司 | Dismounting device used for building structure |
| CN103835527A (en) * | 2014-03-18 | 2014-06-04 | 中天建设集团有限公司 | Detachable shoring device and application thereof |
| CN204456947U (en) * | 2014-12-31 | 2015-07-08 | 上海市机械施工集团有限公司 | A kind of resilient supporting unit being convenient to unload |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567556A (en) * | 2016-11-03 | 2017-04-19 | 上海建工七建集团有限公司 | Support system |
| CN112813836A (en) * | 2020-12-31 | 2021-05-18 | 中铁二十局集团第六工程有限公司 | Cast-in-place box girder construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104612416B (en) | 2016-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103741591B (en) | There is the rubber concrete hollow pier of inside and outside constraint | |
| CN100510297C (en) | Method for installing and detaching temporary supporting device used in construction | |
| CN104612416A (en) | Elastic supporting device capable of performing unloading and temporary load supporting method with elastic supporting device | |
| CN204456946U (en) | A kind of elastic support of temporary support load | |
| CN104594656A (en) | Elastic support and method for temporarily supporting load by using same | |
| CN204456947U (en) | A kind of resilient supporting unit being convenient to unload | |
| CN202943581U (en) | Device for quickly dismounting a cement slurry thickening slurry cup | |
| CN201095873Y (en) | Load bearing steel grit box easy for unloading | |
| CN103822832A (en) | Eccentric compression column non-unloading strengthening testing device | |
| CN106760014A (en) | A kind of board-like adjustable damper embedded part of full assembled and installation method | |
| CN203849110U (en) | Eccentric compression column non-unloading strengthening testing device | |
| CN203440828U (en) | Assembled tower footing | |
| CN206337668U (en) | A kind of board-like adjustable damper embedded part of full assembled | |
| CN205742993U (en) | A kind of construction site bracing frame | |
| CN208039624U (en) | A kind of easy-to-dismount steel column | |
| CN207090912U (en) | A kind of hydraulic jacking device being flip-chip mounted for reducer among medium-and-large-sized case tank | |
| CN207525625U (en) | Sandbox preformer | |
| CN207326026U (en) | Drill bit for carbon fiber plate | |
| US20230228162A1 (en) | Pressure compensation device with accumulator group for controlled pressure drilling | |
| CN201236711Y (en) | Collapsible trolley template | |
| CN203755159U (en) | Transversely-loaded temporary supporting device for sandbox | |
| CN206052675U (en) | A kind of seat structure of vertical ship lift locking device hydraulic push rod | |
| CN207534965U (en) | A kind of usable low oil pressure generates the pressure charging system of high cutting water pressure | |
| CN201169926Y (en) | Temporary support apparatus | |
| CN204000617U (en) | Bolt bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |