CN109487792A - The interim stress system conversion method and mating adjustable device that lattice column underpins - Google Patents
The interim stress system conversion method and mating adjustable device that lattice column underpins Download PDFInfo
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- CN109487792A CN109487792A CN201811221755.9A CN201811221755A CN109487792A CN 109487792 A CN109487792 A CN 109487792A CN 201811221755 A CN201811221755 A CN 201811221755A CN 109487792 A CN109487792 A CN 109487792A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 230000013011 mating Effects 0.000 title abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 10
- 125000004122 cyclic group Chemical group 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 13
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 238000009434 installation Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
Abstract
The present invention relates to technical field of building construction, the purpose is to provide a kind of interim stress system conversion method that lattice column underpins and mating adjustable device, suitable for different foundation pits, it is all relatively easy to mount and dismount process, to save the duration and reduce the operation difficulty of construction, construction cost is reduced.Conversion method is the following steps are included: (1) fixing device for installing；(2) mounting ball hinge device；(3) pressure-bearing brace and tension horizon bar are installed；(4) lattice column for needing to cut off is cut off.Provide a kind of adjustable apparatus suitable for above-mentioned interim stress system conversion method simultaneously, comprising: several fix devices, flexural pivot identical with the fixed device quantity, flexural pivot fixed ring identical with the flexural pivot quantity, several pressure-bearing telescopic rods and several tension telescopic rods.
Description
Technical field
The present invention relates to technical field of building construction, are to be related to a kind of interim beaer that lattice column underpins specifically
It is conversion method and mating adjustable device.
Background technique
Lattice column is the interim vertical force transferring structure in base pit engineering, is had in terms of guaranteeing deep pit monitor vital
Effect.But it may need to cut off one in some cases or mostly with lattice column to meet construction demand: 1, lattice column and formal
Concrete structure clashes；2, lattice column hinders other working procedures；3, other special circumstances.If directly cutting off lattice
Column, the vertical load on top will be unable to be transmitted to ground end by normal stress, will lead to entire foundation pit when serious and collapse,
So before cutting off lattice column, the conversion for needing that certain measure is taken to carry out stress system enables vertical load to pass through it
He is smoothly transmitted to ground end at mode.
Currently, mainly having two with the method for being directed to the conversion of lattice column stress system in some related patents at the construction field (site)
Kind: one, when lattice column locating for large-scale position all can influence construct, for example lattice column is just when shield is missed the stop in subway station
In the position that shield is missed the stop.The thought that can refer to truss conversion layer at this time, the lattice column upper layer lattice cut off with fashioned iron in needs
At structure column, the structure of a truss-like is set up by welding, vertical load is transferred on adjacent lattice column, Jin Erchuan
To ground end.Two, small range position locating for catheter lattice column affects normal construction.At this time except through the first above-mentioned feelings
Outside method described in condition, can also by building support lattice column at left and right sides of the interim lattice column of cutting, until cutting-height,
Vertical load is transferred to ground end by upper layer lattice column and support lattice column.
Above two method can accomplish the conversion of stress system, guarantee the safety of construction.But either build interim purlin
, there is problem in frame structure or support lattice column: different foundation pits, and the distance of lattice column is different, and layer is high different, then setting up
Temporary structure size with regard to entirely different.In this case generally require according to size, make at the construction field (site) temporary structure or
Person cuts steel, this not only extends the duration, and increases the difficulty of later period dismounting.
Summary of the invention
The purpose of the present invention is to overcome the deficiencies of the prior art, provides a kind of interim stress system that lattice column underpins
Conversion method, suitable for different foundation pits, installation and removal process is all relatively easy, to save the duration and reduce the behaviour of construction
Make difficulty, reduces construction cost.
It is a further object of the present invention to provide it is a kind of can the interim stress system conversion that underpins of prefabricated lattice column can
Regulating device, suitable for different foundation pits, installation and removal are all relatively easy, to save the duration and reduce the operation hardly possible of construction
Degree, and can reuse, reduce construction cost.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of interim stress system conversion method that lattice column underpins, comprising the following steps:
(1) fixing device for installing:
One fixed device is respectively installed in the bottom and top for the just upper one layer of lattice column for needing the lattice column cut off, described
The bottom of each one adjacent lattice column of the two sides of the just upper one layer of lattice column for the lattice column for needing to cut off respectively is installed by one fixed dress
It sets；
One side outside the direction of the fixed device is equipped with a semi-round ball hole, is equipped in the lower section of the semicircle ball
One tension fixing piece, the tension fixing piece are the poroid or cyclic structure for being suitble to hook.
(2) mounting ball hinge device:
Mounting ball hinge device on each fixed device installed in above-mentioned steps (1)；
The flexural pivot device includes flexural pivot and flexural pivot fixed ring, and the ball-type pedestal of the flexural pivot is rotatably disposed in described
It is fixed in semicircle ball and by the flexural pivot fixed ring, stretches out a connecting screw from the ball-type pedestal.
(3) pressure-bearing brace and tension horizon bar are installed:
Lattice column on the outside of the fixation device at the top for the just upper one layer of lattice column of lattice column for needing to cut off and its
A pressure-bearing brace is connected between the fixation device of bottom, the both ends of the pressure-bearing brace are threadedly coupled on the securing means respectively
Flexural pivot connecting screw on；
Lattice column on the outside of the fixation device of the bottom for the just upper one layer of lattice column of lattice column for needing to cut off and its
Tension horizon bar of the root long degree less than the distance between two fixed devices, the tension water are connected between the fixation device of bottom
The both ends of flat bar be respectively equipped with a high stiffness spring and by the high stiffness spring be connected to its corresponding fixed device by
It draws on fixing piece；
Lattice column if necessary to cutting is the lattice column of two or two or more arranged adjacents, then: what each needs were cut off
It is successively threadedly coupled a pressure-bearing brace between the fixation device at the top of just upper one layer of lattice column of lattice column, respectively needs to cut off
Lattice column just upper one layer of lattice column bottom fixation device between by high stiffness spring to be sequentially connected a root long degree small
In the tension horizon bar of the distance between two fixed devices.
(4) lattice column for needing to cut off is cut off.
If necessary to cut off the lattice column of more non-conterminous arrangements, repeat the above steps.
Interim stress system conversion method as described above, the pressure-bearing brace pass sequentially through lock by the 2n+1 section small bar of pressure-bearing
Position sleeve connection forms, n >=1.All small bars of odd number section pressure-bearing are the cavity bar with same outer diameter and internal diameter, in which: position
Small bar one end of pressure-bearing in both ends is solid-end, what the connecting screw equipped with one and the flexural pivot in the solid-end matched
The outer wall of internal screw thread, the other end is equipped with connection screw thread；Other odd number section pressure-bearings in addition to the small bar of pressure-bearing for being located at both ends are small
The both ends of bar are the cavity bar that connection screw thread is equipped on cavity and the outer wall at both ends.All small bars of even number section pressure-bearing are
Outer diameter is identical and is slightly less than the screw rod of the internal diameter of the small bar of pressure-bearing positioned at both ends.Pass through lock respectively between each section small bar of pressure-bearing
Position sleeve head and the tail are sequentially connected, and the inner cavity of the lock-bit sleeve is divided into different two sections of inner diameter size, wherein one section of internal diameter is big
The small outer diameter with the small bar of odd number section pressure-bearing matches, and another section of inner diameter size is matched with the outer diameter of the small bar of even number section pressure-bearing, and
Lock-bit screw thread is equipped on two sections of the inner wall, the lock-bit screw thread on each section of inner wall respectively with its corresponding to each section outer wall on
Screw thread matching.
Interim stress system conversion method as described above, the tension horizon bar are passed sequentially through by the 2m+1 section small bar of tension
Lock-bit sleeve connection forms, m >=1.All small bars of odd number section tension are the cavity bar with same outer diameter and internal diameter, in which:
Small bar one end of tension positioned at both ends is solid-end, and a tension fixing piece, the tension fixing piece are equipped in the solid-end
To be suitble to the poroid or cyclic structure hooked, the outer wall of the other end is equipped with connection screw thread；Except be located at both ends the small bar of tension it
The both ends of outer other small bars of odd number section tension are the cavity bar that connection screw thread is equipped on cavity and the outer wall at both ends.It is all
The small bar of even number section tension is that outer diameter is identical and be slightly less than the screw rod of the internal diameter of the small bar of tension positioned at both ends.Each section by
It draws and is sequentially connected respectively by lock-bit sleeve head and the tail between small bar, the inner cavity of the lock-bit sleeve is divided into different two of inner diameter size
Section, wherein one section of inner diameter size is matched with the outer diameter of the small bar of odd number section tension, another section of inner diameter size and even number section tension
The outer diameter of small bar matches, and lock-bit screw thread is equipped on two sections of the inner wall, the lock-bit screw thread on each section of inner wall respectively with
Screw thread matching on each section outer wall corresponding to it.A high stiffness spring is respectively equipped at the both ends of the tension horizon bar and is led to
It crosses the high stiffness spring to be connected on the tension fixing piece of its corresponding fixed device, the both ends of the high stiffness spring respectively have
There is a hook, one of hook for hanging the tension fixing piece being scheduled on the tension horizon bar, use by another hook
In on the tension fixing piece on the fixation device that extension is scheduled on its connection.
A kind of adjustable apparatus suitable for above-mentioned interim stress system conversion method, comprising: several fix devices, with
The identical flexural pivot of the fixed device quantity, flexural pivot fixed ring identical with the flexural pivot quantity, several pressure-bearing telescopic rods and
Several tension telescopic rods.
One side outside the direction of each fixed device is equipped with a semi-round ball hole, in the lower section of the semicircle ball
Equipped with a tension fixing piece, the tension fixing piece is the poroid or cyclic structure for being suitble to hook.
Each flexural pivot is rotatably mounted on the fixed device, and the flexural pivot includes a ball-type pedestal and one from described
The connecting screw that ball-type pedestal stretches out, the ball-type pedestal and the size of the semicircle ball are agreed with.
The flexural pivot Fixing shrink ring is located at the outside of the flexural pivot and is fixed on the fixed device, makes the flexural pivot
Ball-type pedestal can be rotated in the semicircle ball.
The both ends of the pressure-bearing telescopic rod are threaded in the connecting screw of the flexural pivot on its corresponding fixed device respectively
It goes up and passes through the flexural pivot and be rotatably mounted on the fixed device.
The length of the tension telescopic rod is less than the horizontal distance between its corresponding two fixed devices, the Tensile
The both ends of contracting bar pass through respectively on the tension fixation hole that a high stiffness spring is connected on its corresponding fixed device.
Further, the every pressure-bearing telescopic rod passes sequentially through lock-bit sleeve connection by the 2n+1 section small bar of pressure-bearing and forms, n
≥1.All small bars of odd number section pressure-bearing are the cavity bar with same outer diameter and internal diameter, in which: the small bar of pressure-bearing positioned at both ends
One end is solid-end, the internal screw thread that the connecting screw equipped with one and the flexural pivot in the solid-end matches, the other end
Outer wall is equipped with connection screw thread；The both ends of other small bars of odd number section pressure-bearing in addition to the small bar of pressure-bearing for being located at both ends are cavity
And the cavity bar of connection screw thread is equipped on the outer wall at both ends.All small bars of even number section pressure-bearing are that outer diameter is identical and be slightly less than
The screw rod of the internal diameter of the small bar of the pressure-bearing positioned at both ends.Successively connected by lock-bit sleeve head and the tail respectively between each section small bar of pressure-bearing
It connects, the inner cavity of the lock-bit sleeve is divided into different two sections of inner diameter size, wherein one section of inner diameter size and odd number section pressure-bearing are small
The outer diameter of bar matches, and another section of inner diameter size is matched with the outer diameter of the small bar of even number section pressure-bearing, and on two sections of the inner wall
Be equipped with lock-bit screw thread, the lock-bit screw thread on each section of inner wall respectively with its corresponding to each section outer wall on screw thread match.
Further, every accepts telescopic rod and is passed sequentially through lock-bit sleeve connection by the 2m+1 section small bar of tension and formed, m >=1.
All small bars of odd number section tension are the cavity bar with same outer diameter and internal diameter, in which: small bar one end of tension positioned at both ends
It is solid-end, a tension fixing piece is equipped in the solid-end, the tension fixing piece is the poroid or cyclic annular of suitable hook
The outer wall of structure, the other end is equipped with connection screw thread；Other small bars of odd number section tension in addition to the small bar of tension for being located at both ends
Both ends be the cavity bar that connection screw thread is equipped on cavity and the outer wall at both ends.All small bars of even number section tension are outer
Diameter is identical and is slightly less than the screw rod of the internal diameter of the small bar of tension positioned at both ends.Pass through lock-bit respectively between each section small bar of tension
Sleeve head and the tail are sequentially connected, and the inner cavity of the lock-bit sleeve is divided into different two sections of inner diameter size, wherein one section of inner diameter size
It is matched with the outer diameter of the small bar of odd number section tension, another section of inner diameter size is matched with the outer diameter of the small bar of even number section tension, and institute
State and be equipped with lock-bit screw thread on two sections of inner wall, the lock-bit screw thread on each section of inner wall respectively with its corresponding to each section outer wall on
Screw thread matching.A high stiffness spring is respectively equipped at the both ends of the tension telescopic rod and is connected to by the high stiffness spring
On the tension fixing piece of its corresponding fixed device, the both ends of the high stiffness spring respectively have a hook, one of to hang
For hook for hanging the tension fixing piece being scheduled on the tension telescopic rod, another hook is scheduled on the fixed dress of its connection for hanging
On the tension fixing piece set.
Wherein, the fixed device is equipped with fixation hole, for being fixed on the fixed device by screw bolt and nut
On its corresponding lattice column.
Wherein, flexural pivot fixation hole is equipped on the periphery of the semicircle ball, for the flexural pivot fixed ring to be fixed on
On the fixed device.Preferably, the fixed ring body for changing set of the flexural pivot is equipped with fixed annular distance, the fixed annular distance with it is described
Flexural pivot fixation hole is corresponding.
Preferably, the lower section of the semicircle ball is equipped with a fixed block, and the tension fixation hole is from the fixed block
The hole that upper surface is dug downwards.
The present invention makes it compared with prior art due to the above structure, has the advantages that practice of construction
In can not can often lead to completely in an orientation in the case that corresponding two faces are not parallel between each lattice column
It crosses flexural pivot and adjusts direction；Before lattice column cutting, stress system conversion is carried out to lattice column by adjustable apparatus, by can
Regulating device carries out the appropriate adjusting of component, is suitable for various sizes of foundation pit demand, reusable with covering device, saves
Duration and funds；In addition, the installation of component can be used and be bolted or threaded matching itself, and installation, convenient disassembly, letter
Construction procedure is changed；Pretension can be provided by high stiffness spring, avoid lattice column since horizontal force generates failure by shear.Always
It on body, solves the deficiency of existing method, can solve most of lattice column and underpin problem.
Detailed description of the invention
Fig. 1 is the knot of a preferred embodiment of adjustable apparatus used by the interim stress system conversion method of the present invention
Structure schematic diagram.
Fig. 2 is the structural schematic diagram of the fixation device of embodiment shown in Fig. 1, wherein Fig. 2 (a) is fixed plate, Fig. 2 (b)
For flexural pivot, Fig. 2 (c) is flexural pivot fixed ring.
Fig. 3 is the structural schematic diagram of the telescopic rod of embodiment shown in Fig. 1, wherein Fig. 3 (a) is pressure-bearing telescopic rod first
(3) the schematic diagram of the section structure saved, Fig. 3 (b) are the schematic diagram of the section structure of the second section of pressure-bearing and tension telescopic rod, Fig. 3 (c)
For the schematic diagram of the section structure of tension telescopic rod first (three) section.
Fig. 4 is the schematic diagram of the section structure of the telescopic rod lock-bit sleeve of embodiment shown in Fig. 1.
Fig. 5 is the structural schematic diagram of the high stiffness spring of embodiment shown in Fig. 1.
Fig. 6 is the structural schematic diagram of another selectable embodiment of the telescopic rod of adjustable apparatus of the present invention, wherein
Fig. 6 (a) is the schematic diagram of the section structure of pressure-bearing telescopic rod first (five) section, and Fig. 6 (b) is pressure-bearing and tension telescopic rod second (four)
The schematic diagram of the section structure of section, Fig. 6 (c) are the schematic diagram of the section structure of tension telescopic rod first (five) section；Fig. 6 (d) is pressure-bearing
With the schematic diagram of the section structure of tension telescopic rod third section.
Fig. 7 is another more excellent reality of adjustable device used by the interim stress system conversion method of the invention present invention
Apply the structural schematic diagram of example.
Specific embodiment
Below with reference to drawings and examples, the invention will be further described.In conjunction with following explanation, advantages of the present invention
It will be apparent from feature.It should be noted that the embodiment of the present invention has preferable implementation, but it is not limited to this hair
Bright, the combination of technical characteristic or technical characteristic described in this embodiment is not construed as isolated, they can be by
It is combined with each other to reach superior technique effect.The range of the preferred embodiment of the present invention also may include other realization, and
This should be understood by person of ordinary skill in the field of the embodiment of the present invention.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.Institute that is shown here and discussing
Have in example, any occurrence should be construed as merely illustratively, not as restriction.Therefore, exemplary embodiment
Other examples can have different values.
Attached drawing of the invention is all made of very simplified form and using non-accurate ratio, only to convenient, apparent
Ground aids in illustrating the purpose of the embodiment of the present invention, is not to limit the enforceable qualifications of the present invention.The modification of any structure,
The change of proportionate relationship or the adjustment of size, in the case where not influencing the effect of the invention that can be generated and the purpose that can reach,
In the range of disclosed technology contents should be fallen in capable of covering.And identical label generation appeared in attached drawing of the present invention
The identical feature of table or component, can be apply to different embodiments.Meanwhile the word of some description directionalities of specification reference
Language, such as " upper and lower, left and right ", it is clear only for describing to be more clear, rather than to limit the scope of the invention,
Relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, being respectively equipped with a fixation in the top and bottom for the upper one layer of lattice column 2 that need to cut off lattice column 1
Device 4, in the left side of upper one layer of lattice column 2, the bottom of adjacent lattice column 3-1 and the adjacent lattice column 3-2 in right side are respectively provided with one respectively
A fixed device 4.Flexural pivot 5 is fixed with by flexural pivot fixed ring 6 on each fixed device 4.
The connection type of fixed device 4 is described in detail below in conjunction with Fig. 2 (a)-(c).As shown in Fig. 2 (a), fixed device 4
Two rows of fixation hole 4-2 are equipped with, screw bolt and nut can pass through fixation hole 4-2 and fixed device 4 is fixed on its corresponding lattice
On column.Fixed device 4 is equipped with a semi-round ball hole 4-1, and the size of semicircle ball 4-1 is agreed with the ball-type pedestal of flexural pivot 5, half
The periphery of ball hole 4-1 is equipped with a circle flexural pivot fixation hole 4-3, and the ball-type pedestal of flexural pivot 5 is placed in the semi-round ball of fixed device 4
In the 4-1 of hole, flexural pivot fixed ring 6 is set in fixation annular distance 6-1 and fixed device 4 in the outside of flexural pivot 5 and flexural pivot fixed ring 6
On flexural pivot fixation hole 4-3 it is corresponding, flexural pivot fixed ring 6 is fixed on fixed device 4 by bolt and makes the ball of flexural pivot 5
Type pedestal can rotate in semicircle ball 4-1.It repeats the above steps, completes the peace of four fixed devices and the flexural pivot that matches
Dress.In the lower part of flexural pivot fixation hole 4-3, it is equipped with a fixed block, the upper surface of fixed block is equipped with a tension fixation hole 4-4.
Pressure-bearing telescopic rod 7 includes pressure-bearing telescopic rod first segment 7-1, pressure-bearing telescopic rod the second section 7-2 and pressure-bearing telescopic rod the
Each section head and the tail are sequentially connected by three section 7-3 by lock-bit sleeve 9.Pressure-bearing telescopic rod first segment 7-1 and pressure-bearing telescopic rod third section
It is the cavity bar of solid-end that the symmetrical configuration of 7-3, which is only one end,.Pressure-bearing telescopic rod the second section 7-2 is a screw rod, outside
Diameter is slightly less than the internal diameter of pressure-bearing telescopic rod first segment 7-1 and pressure-bearing telescopic rod third section 7-3.
As shown in connection with fig. 3, the solid end (i.e. one end of pressure-bearing telescopic rod 7) of pressure-bearing telescopic rod first segment 7-1 and pressure-bearing
The solid end (i.e. the other end of pressure-bearing telescopic rod 7) of telescopic rod third section 7-3 is respectively equipped with internal screw thread a 7-1-1 and 7-3-1,
The outer wall of the other end is equipped with connection screw thread 7-1-2 and 7-3-2, the connecting screw of internal screw thread 7-1-1 and 7-3-1 with flexural pivot 5
Screw thread matching on 5-1, for pressure-bearing telescopic rod 7 to be threaded between two fixed devices 4.The inner cavity of lock-bit sleeve 9
Be divided into the different two parts of inner diameter size, respectively with the outer diameter of pressure-bearing telescopic rod first segment 7-1 (pressure-bearing telescopic rod third section 7-3)
It is matched with the outer diameter of the second section of pressure-bearing telescopic rod 7-2, and is respectively equipped with lock-bit screw thread 9-1 and 9-2 on two-part inner wall, point
Not with its corresponding to each section outer wall on screw thread match.
Pressure-bearing telescopic rod 7 be used to support the top for the upper one layer of lattice column 2 that need to cut off lattice column 1 fixation device and
Between the fixation device of the bottom of adjacent two lattice columns 3-1 and 3-2 of upper one layer of lattice column 2.In use, measurement two solid
Determine the distance between device, the second section of pressure-bearing telescopic rod 7-2 is placed in by pressure-bearing telescopic rod first according to the distance between two o'clock
The hollow end of 7-1 and pressure-bearing telescopic rod third section 7-3 are saved, and carries out the fine adjustment rear thread of collapsing length by lock-bit sleeve 9
Locking.
It repeats the above steps, completes the installation of all pressure-bearing telescopic rods.
Tension telescopic rod 8 includes tension telescopic rod first segment 8-1, tension telescopic rod the second section 8-2 and tension telescopic rod the
Each section head and the tail are sequentially connected by three section 8-3 by lock-bit sleeve 9.Tension telescopic rod first segment 8-1 and tension telescopic rod third section
It is the cavity bar of solid-end that the symmetrical configuration of 8-3, which is only one end,.Tension telescopic rod the second section 8-2 is a screw rod, outside
Diameter is slightly less than the internal diameter of tension telescopic rod first segment 8-1 and tension telescopic rod third section 8-3.
As shown in connection with fig. 3, the solid end (i.e. one end of tension telescopic rod 8) of tension telescopic rod first segment 8-1 and tension
The solid end (i.e. the other end of tension telescopic rod 8) of telescopic rod third section 8-3 is respectively equipped with tension fixation hole a 8-1-1 and 8-
The outer wall of 3-1, the other end are equipped with connection screw thread 8-1-2 and 8-3-2.It is different that the inner cavity of lock-bit sleeve 9 is divided into inner diameter size
Two parts, respectively with the second section of outer diameter and tension telescopic rod of tension telescopic rod first segment 8-1 (tension telescopic rod third section 8-3)
The outer diameter of 8-2 matches, and lock-bit screw thread 9-1 and 9-2 are respectively equipped on two-part inner wall, respectively with its corresponding to each section
Screw thread matching on outer wall.
Tension telescopic rod 8 be used to support the bottom for the upper one layer of lattice column 2 that need to cut off lattice column 1 fixation device and
Between the fixation device of the bottom of adjacent two lattice columns 3-1 and 3-2 of upper one layer of lattice column 2.In use, measurement two solid
Determine the distance between device, fitted together each section of tension telescopic rod 8 by lock-bit sleeve 9 and makes the tension after assembling
The length of telescopic rod 8 is stretched the tension after assembling by two high stiffness springs 10 less than the distance between two fixed devices
Bar 8 is fixed between two fixed devices.The structure of high stiffness spring 10 is as shown in figure 4, include hook 10-1 and hook 10-2.
The hook 10-1 and 10-2 of one high stiffness spring 10 hang respectively the tension fixation hole 4-4 being scheduled on a fixed device 4 and by
It draws on the tension fixation hole 8-1-1 on telescopic rod first segment 8-1, the hook 10-1 and 10-2 of another high stiffness spring 10 are hung respectively
It is scheduled on another tension fixation hole 8-3-1 fixed on tension fixation hole 4-4 and tension telescopic rod third section 8-3 on device 4
On.Since the length of the tension telescopic rod 8 after assembling is less than the distance between two fixed devices, so that high stiffness spring 10 is always
There are certain initial elongation amounts, and there are pre-tensile stress for whole tension telescopic rod.
It repeats the above steps, completes the installation of all tension telescopic rods.
After being all installed, excision needs the lattice column 1 cut off, as shown in Figure 1.
Every pressure-bearing rod or tension member are made of three segments in above-described embodiment, in Practical Project, according to the big of foundation pit
Small, lattice intercolumniation distance and layer are high, and continued access may be selected, i.e. every pressure-bearing rod or tension member can be needed according to length by more
More piece composition；Such as structure shown in Fig. 6, every pressure-bearing rod and tension member are made of five segments, the wherein knot of even number section
Structure is consistent with the structure of three segments shown in Fig. 3, and the structure of odd number section should be complete cavity.
Pressure-bearing telescopic rod 7 includes pressure-bearing telescopic rod first segment 7-1 ', the second section of pressure-bearing telescopic rod 7-2 ', pressure-bearing telescopic rod the
Section of five three section 7-3 ', Section of four 7-4 ' of pressure-bearing telescopic rod and pressure-bearing telescopic rod 7-5 ', by lock-bit sleeve 9 by each section head and the tail according to
Secondary connection.Pressure-bearing telescopic rod first segment 7-1 ', pressure-bearing telescopic rod third section 7-3 ' and Section of five 7-5 ' of pressure-bearing telescopic rod are internal diameter
With the consistent cavity bar of outer diameter, pressure-bearing telescopic rod the second section 7-2 ' and Section of four 7-4 ' of pressure-bearing telescopic rod are that outer diameter is identical and slightly
The screw rod of internal diameter less than pressure-bearing telescopic rod first segment 7-1 '.Section of five 7- of pressure-bearing telescopic rod first segment 7-1 ' and pressure-bearing telescopic rod
It is the cavity bar of solid-end that 5 ' symmetrical configuration, which is only one end,.It (holds the solid end of pressure-bearing telescopic rod first segment 7-1 '
Press telescopic rod 7 one end) and the solid end (i.e. the other end of pressure-bearing telescopic rod 7) of Section of five 7-5 ' of pressure-bearing telescopic rod set respectively
There is an internal screw thread 7-1 ' -1 and 7-5 ' -1, the outer wall of the other end is equipped with connection screw thread 7-1 ' -2 and 7-5 ' -2, internal screw thread 7-1 ' -
1 and 7-5 ' -1 is matched with the screw thread on the connecting screw 5-1 of flexural pivot 5.Pressure-bearing telescopic rod third section 7-3 ' is the outer wall at both ends
On be equipped with the cavity bar of connection screw thread 7-3 ' -1.
Tension telescopic rod 8 includes tension telescopic rod first segment 8-1 ', the second section of tension telescopic rod 8-2 ', tension telescopic rod the
Section of five three section 8-3 ', Section of four 8-4 ' of tension telescopic rod and tension telescopic rod 8-5 ', by lock-bit sleeve 9 by each section head and the tail according to
Secondary connection.Tension telescopic rod first segment 8-1 ', tension telescopic rod third section 8-3 ' and Section of five 8-5 ' of tension telescopic rod are internal diameter
With the consistent cavity bar of outer diameter, tension telescopic rod the second section 8-2 ' and Section of four 8-4 ' of tension telescopic rod are that outer diameter is identical and slightly
The screw rod of internal diameter less than tension telescopic rod first segment 8-1 '.Section of five 8- of tension telescopic rod first segment 8-1 ' and tension telescopic rod
It is the cavity bar of solid-end that 5 ' symmetrical configuration, which is only one end,.Tension telescopic rod third section 8-3 ' is on the outer wall at both ends
It is equipped with the cavity bar of connection screw thread 8-3 ' -1.
As shown in fig. 7, when the lattice column that the lattice column for needing to cut off is two or two or more arranged adjacents.The present embodiment
The middle lattice column for needing to cut off is the lattice column 1-1 and 1-2 of two arranged adjacents.Therefore, each pressure-bearing is stretched in the present embodiment
The mounting structure of bar 7 and tension telescopic rod 8 becomes trapezoidal force structure from triangularity force structure, as shown in fig. 7, needing to cut off
It is respectively equipped with a fixed device 4 at the top and bottom of upper one layer of lattice column 2-1 and 2-2 of lattice column 1-1 and 1-2, in lattice
The bottom of the adjacent lattice column 3-2 in right side of the left side of column 2-1 adjacent lattice column 3-1 and lattice column 2-2 is respectively provided with one admittedly respectively
Determine device 4.Flexural pivot 5 is fixed with by flexural pivot fixed ring 6 on each fixed device 4.Two braces in left and right and top one at this time
Root horizon bar is pressure-bearing telescopic rod 7, and the horizon bar of bottom three is tension telescopic rod 8.Each fixed device 4, pressure-bearing telescopic rod
7, the assembling of tension telescopic rod 8 and installation steps are identical with the assembling of embodiment shown in Fig. 1 and installation steps.
Claims (10)
1. the interim stress system conversion method that a kind of lattice column underpins, which comprises the following steps:
(1) fixing device for installing:
One fixed device is respectively installed in the bottom and top for the just upper one layer of lattice column for needing the lattice column cut off, in the needs
The bottom of each one adjacent lattice column of the two sides of just upper one layer of lattice column of the lattice column of cutting is respectively installed by one fixed device；
The one side that the direction of the fixed device is external is equipped with a semi-round ball hole, the lower section of the semicircle ball equipped with one by
Fixing piece is drawn, the tension fixing piece is the poroid or cyclic structure for being suitble to hook；
(2) mounting ball hinge device:
Mounting ball hinge device on each fixed device installed in above-mentioned steps (1)；
The flexural pivot device includes flexural pivot and flexural pivot fixed ring, and the ball-type pedestal of the flexural pivot is rotatably disposed in the semicircle
It is fixed in ball and by the flexural pivot fixed ring, stretches out a connecting screw from the ball-type pedestal；
(3) pressure-bearing brace and tension horizon bar are installed:
The bottom of lattice column on the outside of the fixation device at the top of the just upper one layer of lattice column for the lattice column for needing to cut off and its
Fixation device between connect a pressure-bearing brace, the both ends of the pressure-bearing brace are threadedly coupled ball on the securing means respectively
On the connecting screw of hinge；
The bottom of lattice column on the outside of the fixation device of the bottom of the just upper one layer of lattice column for the lattice column for needing to cut off and its
Fixation device between connect tension horizon bar of the root long degree less than the distance between two fixed devices, the tension horizon bar
Both ends be respectively equipped with a high stiffness spring and the tension for being connected to its corresponding fixed device by the high stiffness spring is solid
Determine on part；
Lattice column if necessary to cutting is the lattice column of two or two or more arranged adjacents, then: the lattice for respectively needing to cut off
A pressure-bearing brace, the lattice for respectively needing to cut off successively are threadedly coupled between the fixation device at the top of just upper one layer of lattice column of column
A root long degree is sequentially connected less than two by high stiffness spring between the fixation device of the bottom of just upper one layer of lattice column of structure column
The tension horizon bar of the distance between fixed device；
(4) lattice column for needing to cut off is cut off.
2. interim stress system conversion method as described in claim 1, which is characterized in that the pressure-bearing brace is held by 2n+1 section
It presses small bar to pass sequentially through lock-bit sleeve connection to form, n >=1；
All small bars of odd number section pressure-bearing are the cavity bar with same outer diameter and internal diameter, in which: the small bar of pressure-bearing positioned at both ends
One end is solid-end, the internal screw thread that the connecting screw equipped with one and the flexural pivot in the solid-end matches, the other end
Outer wall is equipped with connection screw thread；The both ends of other small bars of odd number section pressure-bearing in addition to the small bar of pressure-bearing for being located at both ends are cavity
And the cavity bar of connection screw thread is equipped on the outer wall at both ends；
All small bars of even number section pressure-bearing are that outer diameter is identical and be slightly less than the spiral shell of the internal diameter of the small bar of pressure-bearing positioned at both ends
Bar；
It is sequentially connected respectively by lock-bit sleeve head and the tail between each section small bar of pressure-bearing, it is big that the inner cavity of the lock-bit sleeve is divided into internal diameter
It is different two sections small, wherein one section of inner diameter size is matched with the outer diameter of the small bar of odd number section pressure-bearing, another section of inner diameter size with
The outer diameter of the small bar of even number section pressure-bearing matches, and lock-bit screw thread is equipped on two sections of the inner wall, the lock-bit on each section of inner wall
Screw thread respectively with its corresponding to each section outer wall on screw thread match.
3. interim stress system conversion method as described in claim 1, which is characterized in that the tension horizon bar is saved by 2m+1
The small bar of tension passes sequentially through lock-bit sleeve connection and forms, m >=1；
All small bars of odd number section tension are the cavity bar with same outer diameter and internal diameter, in which: the small bar of tension positioned at both ends
One end is solid-end, in the solid-end be equipped with a tension fixing piece, the tension fixing piece be suitble to hook it is poroid or
The outer wall of cyclic structure, the other end is equipped with connection screw thread；Other odd number section tensions in addition to the small bar of tension for being located at both ends
The both ends of small bar are the cavity bar that connection screw thread is equipped on cavity and the outer wall at both ends；
All small bars of even number section tension are that outer diameter is identical and be slightly less than the spiral shell of the internal diameter of the small bar of tension positioned at both ends
Bar；
It is sequentially connected respectively by lock-bit sleeve head and the tail between each section small bar of tension, it is big that the inner cavity of the lock-bit sleeve is divided into internal diameter
It is different two sections small, wherein one section of inner diameter size is matched with the outer diameter of the small bar of odd number section tension, another section of inner diameter size with
The outer diameter of the small bar of even number section tension matches, and lock-bit screw thread is equipped on two sections of the inner wall, the lock-bit on each section of inner wall
Screw thread respectively with its corresponding to each section outer wall on screw thread match；
A high stiffness spring is respectively equipped at the both ends of the tension horizon bar and to be connected to its by the high stiffness spring right
On the tension fixing piece for the fixation device answered, the both ends of the high stiffness spring respectively have a hook, and one of hook is used
In hanging on the tension fixing piece being scheduled on the tension horizon bar, another hook is for hanging the fixation device for being scheduled on its connection
Tension fixing piece on.
4. a kind of adjustable apparatus suitable for interim stress system conversion method as described in claim 1, which is characterized in that
Include:
Several fix device, and the one side outside the direction of each fixed device is equipped with a semi-round ball hole, described half
The lower section in ball hole is equipped with a tension fixing piece, and the tension fixing piece is the poroid or cyclic structure for being suitble to hook；
Flexural pivot identical with the fixed device quantity, is rotatably mounted on the fixed device, and the flexural pivot includes one
Ball-type pedestal and one from the ball-type pedestal stretch out connecting screw, the size contract of the ball-type pedestal and the semicircle ball
It closes；
Flexural pivot fixed ring identical with the flexural pivot quantity, the flexural pivot Fixing shrink ring are located at outside and the fixation of the flexural pivot
On the fixed device, rotate the ball-type pedestal of the flexural pivot in the semicircle ball；
Several pressure-bearing telescopic rods, the both ends of the pressure-bearing telescopic rod are threaded in the ball on its corresponding fixed device respectively
It is rotatably mounted on the fixed device on the connecting screw of hinge and by the flexural pivot；
Several tension telescopic rods, the length of the tension telescopic rod be less than the level between its corresponding two fixed devices away from
From the both ends of the tension telescopic rod pass through the tension that a high stiffness spring is connected on its corresponding fixed device respectively and fix
Kong Shang.
5. adjustable apparatus as claimed in claim 4, which is characterized in that the every pressure-bearing telescopic rod is small by 2n+1 section pressure-bearing
Bar passes sequentially through lock-bit sleeve connection and forms, n >=1；Wherein:
All small bars of odd number section pressure-bearing are the cavity bar with same outer diameter and internal diameter, in which: the small bar of pressure-bearing positioned at both ends
One end is solid-end, the internal screw thread that the connecting screw equipped with one and the flexural pivot in the solid-end matches, the other end
Outer wall is equipped with connection screw thread；The both ends of other small bars of odd number section pressure-bearing in addition to the small bar of pressure-bearing for being located at both ends are cavity
And the cavity bar of connection screw thread is equipped on the outer wall at both ends；
All small bars of even number section pressure-bearing are that outer diameter is identical and be slightly less than the spiral shell of the internal diameter of the small bar of pressure-bearing positioned at both ends
Bar；
It is sequentially connected respectively by lock-bit sleeve head and the tail between each section small bar of pressure-bearing, it is big that the inner cavity of the lock-bit sleeve is divided into internal diameter
It is different two sections small, wherein one section of inner diameter size is matched with the outer diameter of the small bar of odd number section pressure-bearing, another section of inner diameter size with
The outer diameter of the small bar of even number section pressure-bearing matches, and lock-bit screw thread is equipped on two sections of the inner wall, the lock-bit on each section of inner wall
Screw thread respectively with its corresponding to each section outer wall on screw thread match.
6. adjustable apparatus as claimed in claim 4, which is characterized in that every accept telescopic rod by 2m+1 section the small bar of tension according to
It is secondary to be formed by lock-bit sleeve connection, m >=1；Wherein:
All small bars of odd number section tension are the cavity bar with same outer diameter and internal diameter, in which: the small bar of tension positioned at both ends
One end is solid-end, in the solid-end be equipped with a tension fixing piece, the tension fixing piece be suitble to hook it is poroid or
The outer wall of cyclic structure, the other end is equipped with connection screw thread；Other odd number section tensions in addition to the small bar of tension for being located at both ends
The both ends of small bar are the cavity bar that connection screw thread is equipped on cavity and the outer wall at both ends；
All small bars of even number section tension are that outer diameter is identical and be slightly less than the spiral shell of the internal diameter of the small bar of tension positioned at both ends
Bar；
It is sequentially connected respectively by lock-bit sleeve head and the tail between each section small bar of tension, it is big that the inner cavity of the lock-bit sleeve is divided into internal diameter
It is different two sections small, wherein one section of inner diameter size is matched with the outer diameter of the small bar of odd number section tension, another section of inner diameter size with
The outer diameter of the small bar of even number section tension matches, and lock-bit screw thread is equipped on two sections of the inner wall, the lock-bit on each section of inner wall
Screw thread respectively with its corresponding to each section outer wall on screw thread match；
A high stiffness spring is respectively equipped at the both ends of the tension telescopic rod and to be connected to its by the high stiffness spring right
On the tension fixing piece for the fixation device answered, the both ends of the high stiffness spring respectively have a hook, and one of hook is used
In hanging on the tension fixing piece being scheduled on the tension telescopic rod, another hook is for hanging the fixation device for being scheduled on its connection
Tension fixing piece on.
7. adjustable apparatus as claimed in claim 4, it is characterised in that: the fixed device is equipped with fixation hole, for leading to
It crosses screw bolt and nut the fixed device is fixed on its corresponding lattice column.
8. adjustable apparatus as claimed in claim 4, it is characterised in that: solid equipped with flexural pivot on the periphery of the semicircle ball
Hole is determined, for the flexural pivot fixed ring to be fixed on the fixed device.
9. adjustable apparatus as claimed in claim 8, it is characterised in that: the fixed ring body for changing set of the flexural pivot, which is equipped with, fixes
Annular distance, the fixed annular distance are corresponding with the flexural pivot fixation hole.
10. adjustable apparatus as claimed in claim 4, it is characterised in that: the lower section of the semicircle ball is equipped with a fixed block,
The tension fixation hole is the hole dug downwards from the upper surface of the fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811221755.9A CN109487792B (en) | 2018-10-19 | 2018-10-19 | Temporary stress system conversion method for lattice column underpinning and matched adjustable device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811221755.9A CN109487792B (en) | 2018-10-19 | 2018-10-19 | Temporary stress system conversion method for lattice column underpinning and matched adjustable device |
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| CN109487792B CN109487792B (en) | 2024-01-09 |
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| CN111139869A (en) * | 2020-01-22 | 2020-05-12 | 江苏科技大学 | Excavation type high-waterproof comprehensive pipe gallery structure and construction method thereof |
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| CN109487792B (en) | 2024-01-09 |
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Address after: Inside the Finance Bureau of Tongshan District, No. 4 Fuzhong East Road, Tongshan District, Xuzhou City, Jiangsu Province, 221100 Patentee after: China Construction Xuzhou Investment Development Co.,Ltd. Country or region after: China Patentee after: CHINA CONSTRUCTION TUNNEL Corp.,Ltd. Patentee after: TONGJI University Address before: 221000 Zhongjian building, 199 Huancheng Road, Xuzhou City, Jiangsu Province Patentee before: CHINA CONSTRUCTION EAST CHINA INVESTMENT Co.,Ltd. Country or region before: China Patentee before: CHINA CONSTRUCTION TUNNEL Corp.,Ltd. Patentee before: TONGJI University |