CN214274677U - Bailey frame supporting and protecting structure for shallow underground pipeline - Google Patents
Bailey frame supporting and protecting structure for shallow underground pipeline Download PDFInfo
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- CN214274677U CN214274677U CN202023115752.2U CN202023115752U CN214274677U CN 214274677 U CN214274677 U CN 214274677U CN 202023115752 U CN202023115752 U CN 202023115752U CN 214274677 U CN214274677 U CN 214274677U
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- 230000008093 supporting effect Effects 0.000 title claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 238000003466 welding Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 33
- 239000000463 material Substances 0.000 abstract description 6
- 230000006378 damage Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 206010023203 Joint destruction Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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Abstract
The utility model provides a bailey frame supports protection architecture for shallowly bury underground pipeline, bailey frame support protection architecture include bailey frame and sheer pole, and wherein, the multi-disc bailey frame that connects gradually forms a bailey truss roof beam, the both ends of bailey truss roof beam set up respectively two on the hat roof beam, underground pipeline's both sides all are provided with bailey truss roof beam, and are a plurality of the sheer pole will be located the underground pipeline both sides connect between the bailey truss roof beam, the sheer pole is connected on the hypomere of bailey frame, place on the sheer pole underground pipeline. This bailey frame supports protection architecture can avoid traditional pipeline bearing structure's shortcoming, has improved the bearing capacity who supports, has avoided occuping the interior construction space of foundation ditch hole, has strengthened pipeline and has supported the protection dynamics, has reduced the on-the-spot engineering time, and the material is recoverable not influencing the reutilization completely after the construction.
Description
Technical Field
The utility model relates to a pipeline supports when deep foundation ditch construction earthwork excavates such as building engineering, rail transit engineering, port and pier and consolidates technical field, in particular to a bailey frame support protection architecture for shallowly bury pipeline.
Background
In the process of foundation pit construction, various municipal pipelines inevitably exist in the earth excavation range, the pipelines bear the functions of water supply, gas supply, communication, sewage discharge and the like, the pipelines are usually and shallowly buried under the ground, once the pipelines are damaged in the foundation pit construction, adverse effects are caused, and the follow-up work is difficult to continue to be unfolded. When the pipeline cannot be changed, in order to avoid the damage of the suspended pipeline in the foundation pit construction process, the pipeline must be supported and protected, and the pipeline is buried under the ground again when the earth is backfilled after the foundation pit construction is finished.
The existing support method is that a plurality of cast-in-place piles or precast piles are constructed in a foundation pit, pile ends are connected through a cross beam, and a fixed pipeline is placed on the cross beam. The method needs to carry out concrete pouring construction on site, prolongs the construction period, increases the construction cost, and is difficult to recover the later materials. Even if steel pipes are used, the steel pipes need to be welded or bolted on the site with concrete piles, and the supporting capability of the steel pipes is difficult to guarantee.
The methods have the defects of occupying the space in the foundation pit and causing interference on the next construction in the foundation pit. Meanwhile, the number of supporting points of the suspended pipeline in the foundation pit is small, and the pipeline is easy to damage when more interfaces exist in the pipeline. And the protection to the pipeline has a blind area, and the protection measures above the pipeline are lacked.
In view of the above, there is a need for a bailey frame support protection structure for shallow underground pipelines, which is used for supporting and protecting the shallow underground pipelines during the construction of a foundation pit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bailey frame support protection architecture for shallowly bury pipeline can avoid traditional pipeline bearing structure's shortcoming, has improved the bearing capacity who supports, has avoided occuping the interior construction space of foundation ditch hole, has strengthened the pipeline and has supported the protection dynamics, has reduced the engineering time at scene, and the material is recoverable not influencing the reutilization completely after the construction.
In order to achieve the above object, the present invention provides the following technical solutions:
a bailey frame supports protection architecture for shallowly bury underground pipeline, the earthwork excavation within range of foundation ditch has underground pipeline, both sides construction in the foundation ditch has a plurality of fender piles, is located a plurality of homonymy in the foundation ditch the top of fender pile is connected with a crown beam, the crown beam is provided with two, and bailey frame supports protection architecture and includes bailey frame and sheer pole, and wherein, the multi-disc bailey frame that connects gradually forms a bailey truss roof beam, the both ends of bailey truss roof beam set up two respectively on the crown beam, underground pipeline's both sides all are provided with bailey truss roof beam, and is a plurality of the sheer pole will be located underground pipeline both sides connect between the bailey truss roof beam, the sheer pole is connected on the hypomere of bailey frame, place on the sheer pole underground pipeline.
Furthermore, in the bailey truss support protection structure for shallow underground pipelines, the bailey truss support protection structure further comprises upper cross bars, the upper cross bars are all located above the underground pipelines, the upper cross bars connect the bailey truss beams located on two sides of the underground pipelines, and the upper cross bars are connected to the upper sections of the bailey trusses; each bailey frame is connected with two upper cross rods and two lower cross rods.
Furthermore, in the bailey truss support protection structure for shallow underground pipelines, two ends of the bailey truss are respectively provided with a female end post and a male end post, the male end post of one bailey truss can be inserted into the female end post of another bailey truss, and a plurality of bailey trusses are sequentially spliced through the female end post and the male end post to form the bailey truss beam; the two ends of the Bailey truss beam extend out of the crown beam by 0.5 meter.
Further, in foretell be used for shallowly bury underground piping's bailey frame and support protection architecture, underground piping's four is provided with four respectively and presss from both sides tight piece, press from both sides a side of tight piece for to press from both sides the inboard sunken cambered surface of tight piece, the cambered surface orientation underground piping, two press from both sides the top of tight piece all with the entablature is connected, two in addition press from both sides the bottom of tight piece all with the sheer pole is connected, four press from both sides tight piece and can be right underground piping fixes.
Further, in the bailey truss support protection structure for shallow buried underground pipelines, the positions of the four clamping blocks are determined according to the diameter of the underground pipeline, the arc surfaces of the clamping blocks are provided with rubber pads, and the arc surfaces of the four clamping blocks are in contact with the outer surface of the underground pipeline through the rubber pads.
Further, in the bailey truss support protection structure for a shallow underground pipeline, the bailey truss support protection structure further comprises a cover plate, and the cover plate is located above the underground pipeline; the cover plate is of an arc-shaped structure, the arc center of the cover plate is positioned below the cover plate, and two ends of the cover plate are connected with the upper cross rod; the cover plate is made of alloy materials.
Further, in the bailey truss support protection structure for the shallow underground pipeline, the bailey truss is formed by welding channel steel; the Bailey truss is 3 meters long and 1.5 meters high.
Furthermore, in the bailey truss support protection structure for the shallow underground pipeline, the upper cross rods are made of i-shaped steel, the distance between every two adjacent upper cross rods is 1.5 m, and the upper cross rods are connected with the bailey truss through reserved bolt holes; the lower cross rods are made of I-shaped steel, the distance between every two adjacent lower cross rods is 1.5 m, and the lower cross rods are connected with the Bailey frames through reserved bolt holes; and two ends of the lower cross rod extend to 0-0.2 meter outside the Bailey truss beam at the outermost side.
Further, in the bailey truss support and protection structure for a shallow underground pipeline, two or more bailey truss girders are respectively arranged on two sides of the underground pipeline.
Furthermore, in the bailey truss support protection structure for the shallow underground pipeline, two ends of each bailey truss beam are connected with galvanized round steel for grounding, a grounding end of each galvanized round steel is provided with a grounding electrode, and each grounding electrode uses galvanized angle steel; the diameter of the galvanized round steel is 16 mm.
The analysis can know, the utility model discloses a bailey frame supports protection architecture for shallowly burying pipeline, this bailey frame supports protection architecture and uses bailey frame equipment to be bailey truss roof beam, makes things convenient for handling, installation and dismantlement. The upper cross rod and the lower cross rod are connected with the bailey frames through bolts, and the technical requirement is simple. Four clamping blocks are respectively welded on the upper cross rod and the lower cross rod, and the positions of the clamping blocks are adjusted to enable the clamping blocks to be suitable for lower pipelines with different diameters. The clamping blocks are used for fixing the underground pipeline in four directions, namely, the upper direction, the lower direction, the left direction and the right direction, so that the underground pipeline is prevented from moving. The rubber pad on the clamping block can play a role in damping and buffering. The cover plate plays a role in shading sun and shielding wind, reduces the risk of damage of underground pipelines exposed in the air, provides protection from the upper part for the underground pipelines, and avoids accidental damage of the underground pipelines during construction.
The Bailey truss beam has the advantages of clear structure, simple stress calculation, mature technology and high bearing capacity, and can provide stable support for underground pipelines. The space in the Bailey truss beam is large, and a space is reserved for later-stage emergency repair and maintenance. Through adjusting the quantity of going up horizontal pole and sheer pole, can conveniently make the adjustment to pipeline's support effect, avoid pipeline joint's destruction. Two ends of the Bailey truss beam are erected on the crown beam, and the middle of the Bailey truss beam does not need to be supported, so that the space in a foundation pit is prevented from being occupied, and the construction of the foundation pit is facilitated. After the construction is completed, the Bailey frames, the upper cross rods, the lower cross rods, the clamping blocks and the cover plates can be recycled, the disassembly is simple, the use of concrete materials is reduced, and the construction cost is reduced. The time of pipeline support protection construction is reduced, and the construction progress is accelerated.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a bailey frame according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a clamping block according to an embodiment of the present invention;
description of reference numerals: 1, enclosing piles; 2, a crown beam; a 3 beret truss beam; 4, a Bailey frame; 5 female end post; 6 male end posts; 7, an upper cross bar; 8, a lower cross bar; 9 an underground pipeline; 10, clamping blocks; 11 a cover plate; 13 rubber pad.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Each example is provided by way of explanation of the invention and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected", "connected" and "disposed" used in the present invention should be understood in a broad sense, and may be, for example, either fixedly connected or detachably connected; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," "third," and "fourth," etc. may be used interchangeably to distinguish one component from another and are not intended to indicate the position or importance of an individual component.
As shown in fig. 1 to 5, according to the utility model discloses an embodiment provides a bailey frame support protection architecture for shallowly burying underground pipeline, has underground pipeline 9 in the earthwork excavation scope of foundation ditch, and both sides construction in the foundation ditch has a plurality of fender posts 1, and the top that is located a plurality of fender posts 1 of homonymy in the foundation ditch is connected with a crown's beam 2, and crown's beam 2 is provided with two. The Bailey truss supporting and protecting structure comprises Bailey trusses 4 and a bottom cross rod 8, wherein a plurality of Bailey trusses 4 connected in sequence form a Bailey truss beam 3, two ends of the Bailey truss beam 3 are respectively arranged on two crown beams 2, both sides of an underground pipeline 9 are respectively provided with the Bailey truss beam 3, the Bailey truss beams 3 located on both sides of the underground pipeline 9 are connected through the bottom cross rods 8, the bottom cross rods 8 are connected to the lower section of the Bailey trusses 4, and the underground pipeline 9 is placed on the bottom cross rods 8. The two ends of the Bailey truss beam 3 are erected on the crown beam 2, and the middle of the Bailey truss beam does not need to be supported, so that the space in a foundation pit is prevented from being occupied, and the construction of the foundation pit is facilitated.
Further, as shown in fig. 3, the bailey truss support protection structure further includes an upper cross bar 7, the upper cross bars 7 are located above the underground pipeline 9, the upper cross bars 7 connect the bailey truss beams 3 located on two sides of the underground pipeline 9, the upper cross bars 7 are connected to the upper section of the bailey truss 4, and the bailey truss beams 3, the lower cross bar 8 and the upper cross bar 7 form a stable support structure.
Further, as shown in fig. 2, a female end post 5 and a male end post 6 are respectively arranged at two ends of each bailey truss 4, the male end post 6 of one bailey truss 4 can be inserted into the female end post 5 of the other bailey truss 4, the two bailey trusses 4 are fixedly connected by using a pin and a safety card, and the plurality of bailey trusses 4 are sequentially spliced by the female end posts 5 and the male end posts 6 to form the bailey truss beam 3; the two ends of the Bailey truss girder 3 extend out of the outer side of the crown girder 2 by 0.5 meter and are connected with the crown girder 2 through reserved steel bars, so that the safety of the Bailey truss girder 3 is ensured. The Bailey truss beam 3 has larger space, and reserves space for later-stage emergency maintenance.
Further, as shown in fig. 3, four clamping blocks 10 are respectively arranged around the underground pipeline 9, one side surface of each clamping block 10 is an arc surface which is concave towards the inner side of each clamping block 10, the arc surface faces the underground pipeline 9, the top ends of the two clamping blocks 10 are connected with the upper cross rod 7 in a welding mode, the bottom ends of the other two clamping blocks 10 are connected with the lower cross rod 8 in a welding mode, and the four clamping blocks 10 can fix the underground pipeline 9.
Furthermore, the positions of the four clamping blocks 10 are determined according to the diameter of the underground pipeline 9, the position of the four clamping blocks 10 is adjusted to enable the bailey truss support protection structure to be suitable for the underground pipelines 9 with different diameters, the clamping blocks 10 are used for fixing the underground pipeline 9 in four directions, namely, the upper direction, the lower direction, the left direction and the right direction, and the underground pipeline 9 is prevented from moving. As shown in FIG. 5, the cambered surfaces of the four clamping blocks 10 are provided with rubber pads 13, the cambered surfaces of the four clamping blocks 10 are in contact with the outer surface of the underground pipeline 9 through the rubber pads 13, and the rubber pads 13 play a role in clinging to the underground pipeline for damping and buffering.
Further, as shown in fig. 3, the bailey truss support protection structure further includes a cover plate 11, and the cover plate 11 is located above the underground pipeline 9; the cover plate 11 is of an arc-shaped structure, the arc center of the cover plate 11 is positioned below the cover plate 11, and two ends of the cover plate 11 are connected with the upper cross rod 7 through bolts; the cover plate 11 is made of light high-strength alloy material. The cover plate 11 can play a role in shading sun and wind for the underground pipeline 9, reduces the risk that the underground pipeline 9 is exposed to damage in the air, can also block the load accidentally dropped in the foundation pit construction process, avoids accidental damage during construction, and further provides protection for the underground pipeline 9.
Furthermore, the bailey frames 4 are formed by welding light high-strength channel steel, bolt holes connected with the upper cross rods 7 and the lower cross rods 8 are reserved, the upper cross rods 7 and the lower cross rods 8 are connected with the bailey frames 4 through the bolt holes and bolts, and the bailey frames are simple in technical requirement and convenient to install. The bailey frames 4 are 3 meters long and 1.5 meters high. The lifting of the bailey frames 4 is convenient, the bailey frames 4 are standard parts, interfaces and the like are universal, and the mounting and dismounting are time-saving and labor-saving.
Two upper cross rods 7 and two lower cross rods 8 are connected to each Bailey truss 4, so that a stable supporting structure can be formed by the Bailey truss beams 3, the lower cross rods 8 and the upper cross rods 7, and waste can not be caused.
Furthermore, the upper cross rods 7 are made of 20-size I-steel, if the length of the bailey frames 4 is 3 meters, the distance between every two adjacent upper cross rods 7 is 1.5 meters, and the upper cross rods 7 are connected with the bailey frames 4 through reserved bolt holes; the lower cross rods 8 are made of 20-gauge I-steel, the distance between every two adjacent lower cross rods 8 is 1.5 m, the lower cross rods 8 are connected with the bailey frames 4 through reserved bolt holes, the supporting effect of the underground pipeline 9 can be conveniently adjusted by adjusting the number of the upper cross rods 7 and the number of the lower cross rods 8, and the joint of the underground pipeline 9 is prevented from being damaged; the upper cross rod 7 and the lower cross rod 8 are respectively arranged at the upper end and the lower end of the vertical rod of the bailey truss 4. The shortest length of the lower cross bar 8 can be consistent with the length of the upper cross bar 7, but in order to ensure the safety of the underground pipeline 9 on the lower cross bar 8, the two ends of the lower cross bar 8 are extended to 0.2 meter outside the most outside bailey truss girder 3 in consideration of safety storage. The vertical distance between the two bery truss girders 3 located at both sides of the underground utility 9 and closest to the underground utility 9 is determined according to the diameter of the underground utility 9 and the reserved construction space.
Further, two or more than two bailey truss girders 3 are respectively provided on both sides of the underground utility 9. The number of the Bailey truss girders 3 can be adjusted according to the weight of the underground pipeline 9, when the mass of the underground pipeline 9 is small, a small number of Bailey truss girders 3 can be selected, and if the dead weight of the underground pipeline 9 is light, two Bailey truss girders 3 are respectively arranged on two sides of the underground pipeline 9, so that the bearing requirement can be met; the larger the dead weight and the larger the span of the underground pipeline 9, the larger the number of the beret truss girders 3.
Further, a plurality of bailey frames 4 form the setting that bailey truss girder 3 is on a parallel with underground line 9 after splicing in proper order, go up horizontal pole 7 and the equal perpendicular to bailey truss girder 3 setting of sheer pole 8, utilize last horizontal pole 7 to connect gradually the upper segment of a plurality of bailey truss girders 3, utilize sheer pole 8 to connect gradually the hypomere of a plurality of bailey truss girders 3, in the utility model discloses an embodiment, bailey truss girder 3 respectively sets up 4 in underground line 9's the left and right sides, forms the stable bearing structure to underground line 9 through 4 bailey frames 4 (underground line 9's the left and right sides respectively forms 2 holes of every row of 4) with last horizontal pole 7 and sheer pole 8 welded, utilizes tight piece 10 of clamp to fix underground line 9's position, avoids underground line 9's joint department to suffer destruction when the construction.
Furthermore, zinc-plated round steel is connected to two ends of each bailey truss beam 3 for grounding, a grounding electrode is arranged at the grounding end of the zinc-plated round steel, and zinc-plated angle steel is used as the grounding electrode; in order to ensure the grounding effect and the economic cost, the diameter of the galvanized round steel is 16 mm.
Further, after the foundation pit is excavated, the cover plate 11, the upper cross rod 7 and the lower cross rod 8 can be detached, the clamping blocks 10 on the upper cross rod 7 and the lower cross rod 8 are further knocked off, the Bailey truss beam 3 is lifted off the site, and the cyclic utilization of materials is not influenced by all the operations.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model provides a bailey truss 4 supports protection architecture for shallowly bury pipeline 9, this bailey truss 4 supports protection architecture uses bailey truss 4 to assemble into bailey truss beam 3, makes things convenient for handling, installation and dismantlement. The upper cross rod 7 and the lower cross rod 8 are connected with the bailey frames 4 through bolts, and the technical requirement is simple. Four clamping blocks 10 are respectively welded on the upper cross bar 7 and the lower cross bar 8, and the positions of the clamping blocks 10 are adjusted to be suitable for lower pipelines with different diameters. The clamping blocks 10 are used for fixing the underground pipeline 9 in four directions, namely, up, down, left and right, so that the pipeline is prevented from moving. The rubber pad 13 on the clamping block 10 can play a role of shock absorption and buffering. The cover plate 11 plays a role in shading sun and shielding wind, reduces the risk that the underground pipeline 9 is exposed in the air and damaged, and simultaneously provides protection for the underground pipeline 9 from the upper part, so that the underground pipeline 9 is prevented from being damaged accidentally during construction. The Bailey truss beam 3 is clear in structure, simple in stress calculation, mature in technology and high in bearing capacity, and can provide stable support for the underground pipeline 9. The space in the Bailey truss beam 3 is large, and space is reserved for later emergency repair and maintenance. Through adjusting the quantity of going up horizontal pole 7 and sheer pole 8, can conveniently make the adjustment to pipeline 9's support effect, avoid the destruction of pipeline 9 joint department. The two ends of the Bailey truss beam 3 are erected on the crown beam 2, and the middle of the Bailey truss beam does not need to be supported, so that the space in a foundation pit is prevented from being occupied, and the construction of the foundation pit is facilitated. After the construction is completed, the Bailey frames 4, the upper transverse rods 7, the lower transverse rods 8, the clamping blocks 10 and the cover plates 11 can be recycled, the disassembly is simple, the use of concrete materials is reduced, and the construction cost is reduced. The time of pipeline support protection construction is reduced, and the construction progress is accelerated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A bailey frame supporting and protecting structure for shallow buried underground pipelines is characterized in that the underground pipelines are arranged in the earth excavation range of a foundation pit, a plurality of fender posts are constructed on two sides in the foundation pit, the top ends of the fender posts positioned on the same side in the foundation pit are connected with two crown beams,
it is characterized in that the bailey truss supporting and protecting structure comprises a bailey truss and a lower cross bar, wherein,
a plurality of bailey frames connected in sequence form a bailey truss girder, two ends of the bailey truss girder are respectively arranged on the two crown beams,
the Bailey truss girders are arranged on two sides of the underground pipeline, the Bailey truss girders on the two sides of the underground pipeline are connected through a plurality of lower cross rods, the lower cross rods are connected to the lower section of the Bailey truss, and the underground pipeline is placed on the lower cross rods.
2. The bailey truss support and protection structure for shallow underground pipelines of claim 1,
the Bailey truss supporting and protecting structure further comprises a plurality of upper cross rods, the upper cross rods are all located above the underground pipeline, the Bailey truss beams located on two sides of the underground pipeline are connected through the upper cross rods, and the upper cross rods are connected to the upper section of the Bailey truss;
each bailey frame is connected with two upper cross rods and two lower cross rods.
3. The bailey truss support and protection structure for shallow underground pipelines of claim 1,
a female end post and a male end post are respectively arranged at two ends of the bailey frames, the male end post of one bailey frame can be inserted into the female end post of the other bailey frame, and a plurality of bailey frames are sequentially spliced through the female end post and the male end post to form the bailey truss beam;
the two ends of the Bailey truss beam extend out of the crown beam by 0.5 meter.
4. The bailey truss support and protection structure for shallow underground pipelines of claim 2,
four clamping blocks are respectively arranged around the underground pipeline, one side surface of each clamping block is an arc surface which is sunken towards the inner side of each clamping block, the arc surface faces the underground pipeline,
the top ends of the two clamping blocks are connected with the upper cross rod, the bottom ends of the other two clamping blocks are connected with the lower cross rod, and the four clamping blocks can fix the underground pipeline.
5. The bailey frame support and protection structure for shallow underground pipelines of claim 4,
the positions of the four clamping blocks are determined according to the diameter of the underground pipeline, rubber pads are arranged on the arc surfaces of the four clamping blocks, and the arc surfaces of the four clamping blocks are in contact with the outer surface of the underground pipeline through the rubber pads.
6. The bailey truss support and protection structure for shallow underground pipelines of claim 2,
the bailey truss support protection structure further comprises a cover plate, and the cover plate is located above the underground pipeline;
the cover plate is of an arc-shaped structure, the arc center of the cover plate is positioned below the cover plate, and two ends of the cover plate are connected with the upper cross rod;
the cover plate is made of alloy materials.
7. The bailey truss support and protection structure for shallow underground pipelines of claim 1,
the bailey frames are formed by welding channel steel;
the Bailey truss is 3 meters long and 1.5 meters high.
8. The bailey truss support and protection structure for shallow underground pipelines of claim 2,
the upper cross rods are made of I-shaped steel, the distance between every two adjacent upper cross rods is 1.5 m, and the upper cross rods are connected with the bailey frames through reserved bolt holes;
the lower cross rods are made of I-shaped steel, the distance between every two adjacent lower cross rods is 1.5 m, and the lower cross rods are connected with the Bailey frames through reserved bolt holes;
and two ends of the lower cross rod extend to 0-0.2 meter outside the Bailey truss beam at the outermost side.
9. The bailey truss support and protection structure for shallow underground pipelines of claim 1,
and more than two Bailey truss beams are respectively arranged on two sides of the underground pipeline.
10. The bailey truss support and protection structure for shallow underground pipelines of claim 1,
the two ends of each Bailey truss beam are connected with galvanized round steel for grounding, the grounding end of each galvanized round steel is provided with a grounding electrode, and the grounding electrode is made of galvanized angle steel;
the diameter of the galvanized round steel is 16 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023115752.2U CN214274677U (en) | 2020-12-22 | 2020-12-22 | Bailey frame supporting and protecting structure for shallow underground pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023115752.2U CN214274677U (en) | 2020-12-22 | 2020-12-22 | Bailey frame supporting and protecting structure for shallow underground pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214274677U true CN214274677U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023115752.2U Expired - Fee Related CN214274677U (en) | 2020-12-22 | 2020-12-22 | Bailey frame supporting and protecting structure for shallow underground pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN214274677U (en) |
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2020
- 2020-12-22 CN CN202023115752.2U patent/CN214274677U/en not_active Expired - Fee Related
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