CN207739268U - A kind of contact net basic foundation pit protection aerated core - Google Patents
A kind of contact net basic foundation pit protection aerated core Download PDFInfo
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- CN207739268U CN207739268U CN201820086312.2U CN201820086312U CN207739268U CN 207739268 U CN207739268 U CN 207739268U CN 201820086312 U CN201820086312 U CN 201820086312U CN 207739268 U CN207739268 U CN 207739268U
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- connecting plate
- foundation pit
- contact net
- air bag
- sleeve
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Abstract
The utility model is related to a kind of contact net basic foundation pits to protect aerated core, including air bag, air bag is internally provided with cavity, and cavity sets that there are one imports, entrance sealing is set there are one accessory part, and accessory part is detachably connected with a valve member inflatable and deflatable to cavity.The utility model plays good protective action in Existing railway promotion and newly built railway contact net foundation pit or other similar foundation pits protection, should not a large amount of manpower and materials, improve efficiency, and play very high protection effect；When using the air bag, easy to operate, easy to carry, a people can be completed personnel, can recycle.
Description
Technical field
The utility model is related to foundation pit protection fields more particularly to a kind of contact net basic foundation pit to protect aerated core.
Background technology
In constructions work, mast foundation for overhead contact wire system meeting excavation foundation foundation pit, foundation pit before pouring are typically designed in main track iron
Road curb or side slope, depth is deeper, and general volume is at four cubes or so.After foundation pit excavates, can generally it adopt
It is fabricated to frame with plank and carries out simple supporting in crater wall, or woven bag is packed into the earthwork, inserts in foundation pit and cover rain-proof again
Cloth is protected, and prevents sandstone, the earthwork from falling into foundation pit.
However, when newly built railway or Existing Railway Line are constructed, often cross-operation, other lists are carried out with unit before station
Position can carry out the earthwork either railway ballast construction often transported with oversize vehicle or railcar, operation, we excavate contact
Net contact foundation pit causes to collapse, if encountering bad weather, heavy rain can be by sand often because oversize vehicle rolls roadbed
Stone, the earthwork are poured in foundation pit, are directed at the earthwork, sandstone, the ponding etc. for needing to clear up when basis pours in foundation pit, are such as encountered base
It collapses in hole, it is necessary to repair and excavate again.Such situation can be afraid of bad former construction plan, rearrange artificial, mechanical and dress
It is standby to carry out repeating construction, waste a large amount of assets.If being protected foundation pit using original method, equally can also it make
With a large amount of human and material resources, efficiency and its low.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of contact net basic foundation pit protection aerated core, pass through core
Mould filling foundation pit efficiently solves the above problem for protecting foundation pit.
Technical solution used by order to realize the purpose of this utility model is：
A kind of contact net basic foundation pit protection aerated core, including air bag, air bag are internally provided with cavity, cavity
If there are one import, entrance sealing is set there are one accessory part, accessory part be detachably connected with one to cavity inflation and
The valve member 5 of deflation.
Preferably, accessory part includes connecting cylinder, the first connecting plate and the second connecting plate, and the first connecting plate and second connect
Plate is linked on connecting cylinder, and the first connecting plate is concordant with one end of connecting cylinder, and the first connecting plate and the second connecting plate are located at
The both sides of import, the first connecting plate and the sealing of the second connecting plate engage the import of air bag；One end of connecting cylinder, which is stretched into, to be filled
In gas air bag, connecting cylinder is equipped with perforative thread groove.
Preferably, valve member includes sleeve, pressure gauge and limit assembly；One end of sleeve is equipped with pneumatic head, sleeve
The other end is equipped with the external screw thread coordinated with thread groove, and sleeve is equipped with perforative channel, placing chamber is equipped in channel in the axial direction,
The diameter of placing chamber is more than the diameter in channel, and one end that placing chamber is biased to pneumatic head is equipped with card slot；Limit assembly include spring and
Column, spring are in turriform, and the bottom face of spring is connected to placing chamber and is biased to externally threaded one end；Spring is stretched into one end of column,
The other end of column is equipped with fixture block, and fixture block is compeled closing card slot by spring upper end face pressure；Pressure gauge is arranged on sleeve, pressure gauge
Detection section is located in the channel in placing chamber downstream.
Preferably, further include clamping assembly, clamping assembly includes the first through hole being arranged on sleeve, setting in the first company
Fastener on fishplate bar, fastener include supporting table and mobile bar, and supporting table is equipped with the second through-hole towards connecting cylinder direction, and second
Through-hole is equipped with keyway on the side wall of supporting table；Mobile bar slidingtype is located in the second through-hole, and mobile bar is equipped with T-bar, T-type
The lower end of bar is connected to mobile bar across keyway.
Preferably, the outer wall of mobile bar and the inner wall of the second through-hole polish smooth.
Preferably, air bag is by rubber layer and anti-granny rag layer hot-press vulcanization one-pass molding.
The utility model has the advantages that：1, Existing railway promotion and newly built railway contact net foundation pit or other
Play good protective action in similar foundation pit protection, should not a large amount of manpower and materials, improve efficiency, and play very high
Protection effect；2, personnel are when in use, easy to operate, easy to carry, and a people can be completed；3, it can recycle.
Accessory part engages the import of air bag by the first connecting plate and the second connecting plate, can consolidate accessory part
It is scheduled on the entrance of air bag；The sleeve of valve member is equipped with external screw thread, and accessory part is equipped with connecting cylinder, and connecting cylinder is equipped with and passes through
The thread groove worn, external screw thread coordinate with thread groove, valve member can be detachably connected on accessory part.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is accessory part and valve member assembling schematic diagram；
Fig. 3 is valve member structural schematic diagram；
Fig. 4 is fastener structural schematic diagram；
Fig. 5 is air bag usage state diagram；
In figure, the anti-granny rag layer of 1- cavitys, 2-, 3- rubber layers, 4- accessory parts, 5- valve members, 6- connecting cylinders, 7- second
Connecting plate, the first connecting plates of 8-, 9- clamping assemblies, 10- pressure gauges, 11- pneumatic heads, 12- first through hole, 13- external screw threads, 14-
Thread groove, 15- placing chambers, 16- card slots, 17- fixture blocks, 18- springs, 19- columns, the channels 20-, 21- keyways, 22-T types bar, 23-
Mobile bar, 24- supporting tables, 25- air bags, 26- sleeves.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 schematically illustrates a kind of a kind of contact net basic foundation pit protection aerated core of embodiment of the utility model
Structure
As shown in Figs. 1-5, a kind of contact net basic foundation pit protects aerated core, including air bag 25, air bag 25
Be internally provided with cavity 1, cavity 1 is set there are one import, air bag 25 by rubber layer 3 and anti-2 hot-press vulcanization of granny rag layer once at
Type.
In the present embodiment, rubber layer 3 uses hot-press vulcanization one-shot forming technique with anti-granny rag layer 2, and not only surface is smooth, and
And enough concrete heats and pressure can be undertaken, service life is that the number recycled can reach 50 times, is not used such as
Sharp metal, general point stone is can not to scratch core model outer wall.
Accessory part 4 includes connecting cylinder 6, the first connecting plate 8 and the second connecting plate 7, the first connecting plate 8 and the second connecting plate
7 are linked on connecting cylinder 6, and the first connecting plate 8 is concordant with one end of connecting cylinder 6, the first connecting plate 8 and the second connecting plate 7 difference
Positioned at the both sides of import, the first connecting plate 8 and the second connecting plate 7 seal the import for engaging air bag 25；The one of connecting cylinder 6
End is stretched into air bag 25, and connecting cylinder 6 is equipped with perforative thread groove 14.
In the present embodiment, the first connecting plate 8 is located in the cavity 1 of air bag 25, and the second connecting plate 7 is exposed in the external world,
Sealing engages import between first connecting plate 8 and the second connecting plate 7, and accessory part 4 can be arranged in entrance as a result, empty
Chamber 1 is communicated by the thread groove 14 of connecting cylinder 6 with the external world.
Valve member 5 includes sleeve 26, pressure gauge 10 and limit assembly；One end of sleeve 26 is equipped with pneumatic head 11, sleeve
26 other end is equipped with the external screw thread 13 coordinated with thread groove 14, and sleeve 26 is equipped with perforative channel 20, channel in the axial direction
Placing chamber 15 is equipped in 20, the diameter of placing chamber 15 is more than the diameter in channel 20, and one end that placing chamber 15 is biased to pneumatic head 11 is set
There is card slot 16；Limit assembly includes spring 18 and column 19, and spring 18 is in turriform, and the bottom face of spring 18 is connected to placing chamber 15
It is biased to one end of external screw thread 13；Spring 18 is stretched into one end of column 19, and the other end of column 19 is equipped with fixture block 17, and fixture block 17 is by bullet
The press sealed card slot in 18 upper surface of spring 16；Pressure gauge 10 is arranged on sleeve 26, and the detection section of pressure gauge 10 is located at placing chamber 15
In the channel 20 in downstream.
In the present embodiment, pneumatic head 11 connects external inflation facility, such as air pump, and gas can be along channel 20 to inflating air
25 direction of capsule flow, when by placing chamber 15, gas first can open-top fixture block 17, promote fixture block 17 to be detached with card slot 16, at this point,
Spring 18 is compressed, and gas continues on channel 20 by placing chamber 15 and moves, in the cavity 1 for finally entering air bag 25,
During gas flows, the pressure in 10 examinations air bag 25 of pressure gauge avoids excessively inflating, leads to inflating air
Capsule 25 is burst；After inflation, the inflation facility at pneumatic head 11 is unloaded, spring 18 resets, and fixture block 17 is promoted to be closed card slot
16, since the pressure in air bag 25 is more than outside pressure, gas can resist fixture block 17, promote fixture block 17 close with card slot 16
Cooperation, prevents gas leakage.
Further include clamping assembly 9, clamping assembly 9 includes the first through hole 12 being arranged on sleeve 26, setting in the first company
Fastener on fishplate bar 8, fastener include supporting table 24 and mobile bar 23, and supporting table 24 is equipped with second towards 6 direction of connecting cylinder
Through-hole, the second through-hole are equipped with keyway 21 on the side wall of supporting table 24；23 slidingtype of mobile bar is located in the second through-hole, mobile bar
23 are equipped with T-bar 22, and the lower end of T-bar 22 is connected to mobile bar 23 across keyway 21.
In the present embodiment, after the thread groove 14 of the 13 precession connecting cylinder 6 of external screw thread of sleeve 26, first through hole 12 and movement
The axis of bar 23 is located on the same line, and pulls T-bar 22, T-bar 22 that can drive mobile bar 23 towards through-hole direction with hand
The second through-hole is stretched out, until mobile bar 23 is put in first through hole 12, at this point, connecting cylinder 6 cannot rotate, avoids air bag
25 1 pressure of cavity is excessive, causes sleeve 26 to reversely rotate, is detached with connecting cylinder 6, gas leakage or sleeve is caused to throw away.
In the present embodiment, the outer wall of mobile bar 23 is polished smooth with the second through-hole wall, reduces mobile bar 23 and the as a result,
The frictional force of two through-holes drives mobile bar 23 to be moved along the second through-hole convenient for T-bar 22.
When the utility model is used, after valve member 5 being assembled on accessory part 4, then valve member 5 and air pump connected
It connects, air bag 25 is unfolded and is put into foundation pit, booster air pump is inflated, and air bag gradually expands, and and base
Plinth foundation pit agrees with, for being supported and protecting.
It these are only some embodiments of the utility model, to those skilled in the art, do not departing from
Under the premise of the concept of the present invention, several modifications and improvements can be also carried out, these belong to the utility model protection model
It encloses.
Claims (6)
1. a kind of contact net basic foundation pit protects aerated core, including air bag (25), which is characterized in that the air bag
(25) it is internally provided with cavity (1), the cavity (1) sets there are one import, and the entrance sealing sets that there are one accessory parts
(4), the accessory part (4) is detachably connected with a valve member (5) inflatable and deflatable to cavity (1).
2. a kind of contact net basic foundation pit according to claim 1 protects aerated core, it is characterised in that：The assisted group
Part (4) includes connecting cylinder (6), the first connecting plate (8) and the second connecting plate (7), first connecting plate (8) and the second connecting plate
(7) it is linked on connecting cylinder (6), first connecting plate (8) is concordant with one end of connecting cylinder (6), first connecting plate (8)
The both sides of import are located at the second connecting plate (7), first connecting plate (8) and the second connecting plate (7) sealing engage
The import of air bag (25)；One end of the connecting cylinder (6) is stretched into air bag (25), and connecting cylinder (6) is equipped with perforative
Thread groove (14).
3. a kind of contact net basic foundation pit according to claim 2 protects aerated core, it is characterised in that：The valve group
Part (5) includes sleeve (26), pressure gauge (10) and limit assembly；One end of the sleeve (26) is equipped with pneumatic head (11), described
The other end of sleeve (26) is equipped with the external screw thread (13) coordinated with thread groove (14), and the sleeve (26) is equipped with passes through in the axial direction
The channel (20) worn, placing chamber (15) is equipped in the channel (20), and the diameter of the placing chamber (15) is more than channel (20)
Diameter, one end that the placing chamber (15) is biased to pneumatic head (11) are equipped with card slot (16)；The limit assembly includes spring (18)
With column (19), spring (18) is in turriform, and the bottom face of the spring (18) is connected to placing chamber (15) and is biased to external screw thread (13)
One end；Spring (18) is stretched into one end of the column (19), and the other end of the column (19) is equipped with fixture block (17), the card
Block (17) is by the press sealed card slot in spring (18) upper surface (16)；The pressure gauge (10) is arranged on sleeve (26), pressure gauge
(10) detection section is located in the channel (20) in placing chamber (15) downstream.
4. a kind of contact net basic foundation pit according to claim 3 protects aerated core, it is characterised in that：It further include clamping
Component (9), the clamping assembly (9) include the first through hole (12) being arranged on sleeve (26), are arranged in the first connecting plate (8)
On fastener, the fastener includes supporting table (24) and mobile bar (23), and the supporting table (24) is towards connecting cylinder (6) side
To equipped with the second through-hole, second through-hole is equipped with keyway (21) on the side wall of supporting table (24)；The mobile bar (23) is sliding
Dynamic formula is located in the second through-hole, and the mobile bar (23) is equipped with T-bar (22), and the lower end of the T-bar (22) passes through keyway
(21) it is connected to mobile bar (23).
5. a kind of contact net basic foundation pit according to claim 4 protects aerated core, it is characterised in that：The mobile bar
(23) inner wall of outer wall and the second through-hole polishes smooth.
6. a kind of contact net basic foundation pit according to claim 1 protects aerated core, it is characterised in that：The inflating air
Capsule (25) is by rubber layer (3) and anti-granny rag layer (2) hot-press vulcanization one-pass molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820086312.2U CN207739268U (en) | 2018-01-18 | 2018-01-18 | A kind of contact net basic foundation pit protection aerated core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820086312.2U CN207739268U (en) | 2018-01-18 | 2018-01-18 | A kind of contact net basic foundation pit protection aerated core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207739268U true CN207739268U (en) | 2018-08-17 |
Family
ID=63122032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820086312.2U Active CN207739268U (en) | 2018-01-18 | 2018-01-18 | A kind of contact net basic foundation pit protection aerated core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207739268U (en) |
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2018
- 2018-01-18 CN CN201820086312.2U patent/CN207739268U/en active Active
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