CN114395976A - Stepless-adjustment Bailey sheet support construction method - Google Patents
Stepless-adjustment Bailey sheet support construction method Download PDFInfo
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- CN114395976A CN114395976A CN202210238521.5A CN202210238521A CN114395976A CN 114395976 A CN114395976 A CN 114395976A CN 202210238521 A CN202210238521 A CN 202210238521A CN 114395976 A CN114395976 A CN 114395976A
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- rod
- bailey
- cross rod
- vertical
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000007689 inspection Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
A stepless adjustment Bailey sheet support construction method adopts a special stepless adjustment Bailey sheet support frame, and comprises a left vertical rod, a right vertical rod, an upper cross rod and a lower cross rod which form a frame structure, wherein the upper cross rod and the lower cross rod are of length-adjustable structures, and the upper end and the lower end of the left vertical rod are respectively provided with a bolt hole A and a bolt hole B which are connected with Bailey sheets through bolts; and the upper end and the lower end of the right vertical rod are respectively provided with a bolt hole C and a bolt hole D which are connected with the Bailey sheet through bolts. The method can realize stepless adjustment of the Bailey sheet group width, greatly improve the applicability of the Bailey sheet, simultaneously avoid the influence and restriction on construction caused by the Bailey sheet with single group width, and has the characteristics of repeated use, simple process, small construction difficulty and convenient and rapid installation and disassembly construction.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a method for constructing a Bailey sheet support through stepless adjustment.
Background
In recent years, with the continuous development of economy in China, the construction and development of highway infrastructure in China are rapid in China, and a highway is one of important traffic ways for communicating intercity and plays an important role in the overall development of surrounding towns. Along with the continuous new construction of roads, bridges needing to span mountains and rivers are more and more, bridges are newly built in river water, and temporary structures such as steel platforms need to be built in the early stage of bridge construction. Or a steel access bridge built on a temporary walkway and some other temporary structure. The Bailey sheet is used as the most widely assembled bearing member, has the advantages of simple structure, light weight, quick assembly, economical use, strong adaptability, convenient transportation, good member stability, strong interchangeability and the like, and is widely applied to temporary structures in road construction. The Bailey pieces are transversely connected into a whole structure by the Bailey pieces support frame, so that the bending resistance and the overall stability of the Bailey pieces can be greatly improved.
At present, the bailey piece support frame is generally a fixed type, and the support frames with fixed length models produced by manufacturers generally have specification models such as 450 support frames, 600 support frames, 900 support frames and the like. The fixed type support frame has the following defects in the construction and installation process during construction and use:
1. because its length has been fixed according to the specification, consequently install and also be fixed at bailey piece group interval, can't carry out the interval between the nimble bailey piece group of regulation.
2. Some temporary structures such as a steel temporary bridge and a steel platform are influenced by individual construction constraints, the interval between the Bailey pieces cannot be fixed due to installation of the Bailey pieces, fine adjustment of the Bailey piece interval is possibly needed, but the support frame is fixed in width, the support frame is not suitable after the Bailey piece interval is fine adjusted, the support frame with the proper width needs to be re-processed and produced, the time is long, the cost is high, and the construction efficiency is influenced.
Relevant prior documents on adjustable beret supports were retrieved as follows:
1. an adjustable brace bar; cn201120253909. x; zhejiang Hua iron building safety science and technology, Inc.: the adjustable support rod comprises a double-head nut and is characterized in that the thread turning directions of two ends of the double-head nut are opposite, a spanner portion is arranged on the outer surface of the middle portion of the double-head nut, one end of the double-head nut is connected with a single-lug screw rod, the other end of the double-head nut is connected with a double-lug screw rod, a through pin hole is formed in the end portion of the single-lug screw rod, and a through pin hole is formed in the end portion of the double-lug screw rod. The device is safe and durable, good in interchangeability, strong in adaptability, flexible and fast in length expansion and contraction adjustment, and stable in matching and positioning after a plurality of devices are used among single bailey pieces.
2. A length adjustable brace bar; CN 201020299201.3; the length-adjustable support rod comprises a support rod section I and a support rod section II, wherein flanges are respectively installed and connected at the end parts of the support rod section I and the support rod section II, a plurality of screw holes are formed in the flanges, and the support rod section I and the support rod section II are connected into an integral support rod through fasteners. A plurality of reinforcing rib plates are connected between the main structure steel pipe of the strut section I and the flange; the main body structure of the strut segment II is a hoisting point main board which is vertically connected with the flange; a plurality of semicircular steel tubes or reinforcing rib plates are connected between the hoisting point main plate and the flange. The utility model can be matched with a crane to carry out hoisting operation on mechanical equipment and structural monomers with different shapes and sizes without wearing the outer surface of a hoisted object; meanwhile, the length of the stay bar can be adjusted by only needing to be provided with a few cranes so as to finish the hoisting operation on various mechanical equipment and structural monomers with different shapes and sizes; not only saves time and labor, but also improves the working efficiency.
Although some supporting structures related to beret sheets are disclosed in the prior art, the supporting device in the prior art still has unsatisfactory places, such as the supporting rods in document 1, which use a twisted threaded sleeve structure to support, if a plurality of supporting rods are arranged in parallel, the plurality of supporting rods must be simultaneously twisted to support, otherwise the threaded structure is easily locked, or the construction progress is affected by damage caused by the unparallel supporting.
Disclosure of Invention
The utility model aims to provide a stepless-adjustment Bailey sheet support frame which has a width-adjustable function, realizes the width adjustment of Bailey sheets, greatly improves the applicability of Bailey sheets, and can avoid the influence and restriction on construction caused by the Bailey sheets with single width, and the stepless-adjustment Bailey sheet support frame has the characteristics of safe and reliable structure, reusability, simple process, small construction difficulty and convenient and quick installation and disassembly construction in the construction process.
In order to achieve the above object of the present invention, the technical solution adopted is as follows:
a continuously adjustable Bailey sheet supporting frame is characterized in that a left vertical rod, a right vertical rod, an upper cross rod and a lower cross rod form a frame structure, wherein the upper cross rod and the lower cross rod are of length-adjustable structures, and the upper end and the lower end of the left vertical rod are respectively provided with a bolt hole A and a bolt hole B which are connected with Bailey sheets through bolts; the upper end and the lower end of the right vertical rod are respectively provided with a bolt hole C and a bolt hole D which are connected with the Bailey sheet through bolts;
the two ends of the left upright rod are respectively provided with a vertical long hole A and a vertical long hole B, and the two ends of the right upright rod are respectively provided with a vertical long hole C and a vertical long hole D; the middle of the diagonal rod A and the middle of the diagonal rod B are hinged to form a scissor support, the two ends of the diagonal rod A are respectively in sliding hinge connection with the vertical long hole A and the vertical long hole D, and the two ends of the diagonal rod B are respectively in sliding hinge connection with the vertical long hole C and the vertical long hole B.
A left upright rod cushion block is arranged at the vertical long hole B, a right upright rod cushion block is arranged at the vertical long hole C, and the reserved holes of the left upright rod cushion block and the right upright rod cushion block are the same as the vertical long hole B and the vertical long hole B in shape; the thickness of the left vertical rod cushion block and the right vertical rod cushion block is the same as that of the diagonal rod A. The left and right upright rod cushion blocks are used for compensating the problem that the hinged parts are not on the same plane due to the fact that the inclined rods are overlapped together, so that the cross brace can be connected with the left upright rod in a clinging mode.
The upper cross rod and the lower cross rod are composed of a pipe barrel, a tubular screw rod, a butterfly nut, a through long screw rod and a through long rod nut; the butterfly nut is connected with a thread section of the tubular screw, the thread section of the tubular screw is inserted into an inner cavity of the pipe barrel, the through long rod nut is connected with the thread section of the through long screw, and the through long screw sequentially penetrates through the bolt hole E/bolt hole F, the inner cavity of the pipe barrel, the inner cavity of the tubular screw and the bolt hole G/bolt hole H.
The pipe barrel, the tubular screw and the butterfly nut form a trend of outwards jacking the left upright and the right upright; the through long screw and the through long screw nut form a tendency of inward riveting of the left vertical rod and the right vertical rod, and the two opposite top pressure forces and the riveting forces are combined, so that the positions of the left vertical rod and the right vertical rod can be fastened and anchored.
The construction method of the Bailey sheet supporting frame with stepless adjustment comprises the following steps:
(1) prefabricating each standard module piece in a factory according to the size of a drawing, and transporting the standard module piece to a construction site after finishing processing and acceptance inspection;
(2) in a construction site, the left upright post and the right upright post are placed on a flat ground and aligned, then the middle points of the two diagonal bracing rods are hinged, the end points of the two diagonal bracing rods are respectively hinged with the long holes of the left upright post and the right upright post, and the free sliding of the hinged points on the long holes is ensured;
(3) carrying out the installation of the upper cross rod and the lower cross rod: firstly, a butterfly nut is screwed on a tubular screw, then a pipe barrel is sleeved at one end with threads of the tubular screw, one end of the pipe barrel is propped against the butterfly nut, then a cross rod bolt preformed hole on an upright rod is aligned, a through long screw penetrates through the pipe barrel, and finally a through long rod nut is installed, the cross rod can be connected with the upright rod, and the installation methods of an upper cross rod and a lower cross rod are consistent;
(4) adjusting the width of the Bailey sheet support frame: the width of the required support frame is determined according to the requirements of site construction, the butterfly nuts are rotated to enable the upper cross rod and the lower cross rod to reach the required width, then the nuts of the through long rods on the upper cross rod and the lower cross rod are screwed up and anchored, the bolts on the cross braces are screwed up, and finally the whole support frame is installed on the bailey.
The utility model has the prominent substantive characteristics and remarkable progress that:
1. the utility model changes the current situation that the traditional Bailey sheet support frame is fixed and cannot be adjusted, is restricted and influenced in the construction process, can realize the adjustment of the width of a group of Bailey sheets, forms the Bailey sheet support frame with special size for some special occasions, and greatly improves the applicability of the Bailey sheet.
2. Each component of this patent adopts bolted connection to become whole, and the construction is convenient, and the installation and demolish the convenience, the efficiency of construction is high, and the material can have enough to meet the need used repeatedly, does not increase construction equipment's cost.
3. This patent structure is firm, and the rigidity is good, safe and reliable, non-deformable and pine take off, and factor of safety is high.
4. The special adjustable cross bar structure adopted in the utility model does not need synchronous adjustment, firstly the through long bar nut at the end part is loosened, no stress exists between the cross bar and the left and right upright bars, the butterfly nuts in the middle part are adjusted to proper positions one by one according to requirements, and finally the through long bar nuts are locked and anchored one by one, thus the adjustment of the cross bar can be easily completed; the defects of blocking, damage and the like caused by asynchronous and large-amplitude adjustment of the length of a single cross rod can be effectively avoided.
Description of the drawings:
FIG. 1 is a schematic view of an appearance structure of a Berea sheet support;
FIG. 2 is a schematic view of the external structure of the left vertical rod;
FIG. 3 is a schematic view of the external structure of the right vertical rod;
FIG. 4 is a schematic structural diagram of the appearance of the cross brace;
FIG. 5 is an exploded view of the upper and lower cross bars;
FIG. 6 is a schematic sectional view of the upper and lower cross bars (working state);
FIG. 7 is an overall view of the installation of the Bailey sheet support frame;
the serial numbers and component names in the figures are: 1. a left upright stanchion; 11. a vertical long hole A; 12. a vertical long hole B; 13. a bolt hole A; 14. a bolt hole E; 15. a bolt hole B; 16. a bolt hole F; 17. a left upright rod cushion block; 2. a right upright rod; 21. a vertical long hole C; 22. a vertical long hole D; 23. a bolt hole C; 24. a bolt hole G; 25. a bolt hole D; 26. a bolt hole H; 27. a right upright rod cushion block; 3. a scissor support; 31. an inclined rod A; 32. an inclined rod B; 4. an upper cross bar; 41. a tube barrel; 42. a tubular screw; 43. a butterfly nut; 44. a through long screw rod; 45. a through-length rod nut; 5. a lower cross bar.
Detailed Description
Example 1
A continuously adjustable Bailey sheet support frame is characterized in that a left vertical rod 1, a right vertical rod 2, an upper transverse rod 4 and a lower transverse rod 5 form a frame structure, wherein the upper transverse rod 4 and the lower transverse rod 5 are of length-adjustable structures, the upper end and the lower end of the left vertical rod 1 are respectively provided with a bolt hole A13 and a bolt hole B15, and the left vertical rod is connected with Bailey sheets through bolts; the upper end and the lower end of the right vertical rod 2 are respectively provided with a bolt hole C23 and a bolt hole D25 which are connected with the Bailey sheet through bolts;
two ends of the left upright stanchion 1 are respectively provided with a vertical long hole A11 and a vertical long hole B12, and two ends of the right upright stanchion 2 are respectively provided with a vertical long hole C21 and a vertical long hole D22; the middle parts of an inclined rod A31 and an inclined rod B32 are hinged to form a cross brace 3, two ends of the inclined rod A31 are respectively in sliding hinge connection with a vertical long hole A11 and a vertical long hole D22, and two ends of the inclined rod B are respectively in sliding hinge connection with a vertical long hole C21 and a vertical long hole B12;
the left upright rod cushion block 17 is arranged at the position of the vertical long hole B12, the right upright rod cushion block 27 is arranged at the position of the vertical long hole C21, and the reserved holes of the left upright rod cushion block 17 and the right upright rod cushion block 27 are the same as the vertical long hole B12 and the vertical long hole B12 in shape; the thickness of the left and right upright spacers 17, 27 is the same as the thickness of the diagonal a 31.
The upper cross bar 4 and the lower cross bar 5 are composed of a pipe barrel 41, a pipe-shaped screw 42, a butterfly nut 43, a through long screw 44 and a through long rod nut 45;
the butterfly nut 43 is connected with the threaded section of the tubular screw 42, the threaded section of the tubular screw 42 is inserted into the inner cavity of the tube 41, the through rod nut 45 is connected with the threaded section of the through rod screw 44, and the through rod screw 44 sequentially passes through the bolt hole E14/bolt hole F16, the inner cavity of the tube 41, the inner cavity of the tubular screw 42 and the bolt hole G24/bolt hole H26.
Claims (5)
1. A method for constructing a Bailey sheet support in stepless adjustment comprises the following steps:
(1) prefabricating each standard module piece in a factory according to the size of a drawing, and transporting the standard module piece to a construction site after finishing processing and acceptance inspection;
(2) in a construction site, the left upright post and the right upright post are placed on a flat ground and aligned, then the middle points of the two diagonal bracing rods are hinged, the end points of the two diagonal bracing rods are respectively hinged with the long holes of the left upright post and the right upright post, and the free sliding of the hinged points on the long holes is ensured;
(3) carrying out the installation of the upper cross rod and the lower cross rod: firstly, a butterfly nut is screwed on a tubular screw, then a pipe barrel is sleeved at one end with threads of the tubular screw, one end of the pipe barrel is propped against the butterfly nut, then a cross rod bolt preformed hole on an upright rod is aligned, a through long screw penetrates through the pipe barrel, and finally a through long rod nut is installed, the cross rod can be connected with the upright rod, and the installation methods of an upper cross rod and a lower cross rod are consistent;
(4) adjusting the width of the Bailey sheet support frame: the width of the required support frame is determined according to the requirements of site construction, the butterfly nuts are rotated to enable the upper cross rod and the lower cross rod to reach the required width, then the nuts of the through long rods on the upper cross rod and the lower cross rod are screwed up and anchored, the bolts on the cross braces are screwed up, and finally the whole support frame is installed on the bailey.
2. The infinitely adjustable bailey piece support of claim 1, wherein: the left upright stanchion (1), the right upright stanchion (2), the upper cross rod (4) and the lower cross rod (5) form a frame-shaped structure, wherein the upper cross rod (4) and the lower cross rod (5) are of length-adjustable structures, the upper end and the lower end of the left upright stanchion (1) are respectively provided with a bolt hole A (13) and a bolt hole B (15), and the bolt holes are connected with the Bailey sheets through bolts; the upper end and the lower end of the right vertical rod (2) are respectively provided with a bolt hole C (23) and a bolt hole D (25) which are connected with the Bailey sheet through bolts.
3. The stepless adjustable Bailey sheet supporting construction method according to claim 2, is characterized in that: two ends of the left upright rod (1) are respectively provided with a vertical long hole A (11) and a vertical long hole B (12), and two ends of the right upright rod (2) are respectively provided with a vertical long hole C (21) and a vertical long hole D (22); the middle of the diagonal rod A (31) and the middle of the diagonal rod B (32) are hinged to form a scissor support (3), two ends of the diagonal rod A (31) are respectively in sliding hinge with the vertical long hole A (11) and the vertical long hole D (22), and two ends of the diagonal rod B are respectively in sliding hinge with the vertical long hole C (21) and the vertical long hole B (12).
4. The infinitely adjustable bailey piece support of claim 3, wherein: a left upright rod cushion block (17) is arranged at the vertical long hole B (12), a right upright rod cushion block (27) is arranged at the vertical long hole C (21), and reserved holes of the left upright rod cushion block (17) and the right upright rod cushion block (27) are the same as the vertical long hole B (12) and the vertical long hole B (12) in shape; the thickness of the left vertical rod cushion block (17) and the right vertical rod cushion block (27) is the same as that of the diagonal rod A (31).
5. The infinitely adjustable bailey piece support of claim 3, wherein: the upper cross bar (4) and the lower cross bar (5) are composed of a pipe barrel (41), a tubular screw (42), a butterfly nut (43), a through long screw (44) and a through long rod nut (45);
the butterfly nut (43) is connected with a threaded section of the tubular screw (42), the threaded section of the tubular screw (42) is inserted into the inner cavity of the pipe barrel (41), the through long rod nut (45) is connected with the threaded section of the through long screw (44), and the through long screw (44) sequentially penetrates through the bolt hole E (14)/the bolt hole F (16), the inner cavity of the pipe barrel (41), the inner cavity of the tubular screw (42) and the bolt hole G (24)/the bolt hole H (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238521.5A CN114395976B (en) | 2022-03-11 | 2022-03-11 | Stepless-adjustment bailey piece support construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238521.5A CN114395976B (en) | 2022-03-11 | 2022-03-11 | Stepless-adjustment bailey piece support construction method |
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| Publication Number | Publication Date |
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| CN114395976A true CN114395976A (en) | 2022-04-26 |
| CN114395976B CN114395976B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210238521.5A Active CN114395976B (en) | 2022-03-11 | 2022-03-11 | Stepless-adjustment bailey piece support construction method |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2011507A (en) * | 1977-11-22 | 1979-07-11 | Westland Aircraft Ltd | Load-Supporting Structure |
| JP2011252297A (en) * | 2010-06-01 | 2011-12-15 | Coyo Create Co Ltd | Brace frame |
| CN202187431U (en) * | 2011-07-19 | 2012-04-11 | 浙江华铁建筑安全科技股份有限公司 | Adjustable support rod |
| CN202248510U (en) * | 2011-07-18 | 2012-05-30 | 浙江华铁建筑安全科技股份有限公司 | Transversely arranged brace rod type bailey |
| CN203007814U (en) * | 2012-12-19 | 2013-06-19 | 中铁十局集团第三建设有限公司 | Connection piece used for building bailey beam truss |
| CN205503048U (en) * | 2016-03-11 | 2016-08-24 | 湖南三一石油科技有限公司 | Automatic calandria system and pipe rack thereof |
| US20180119371A1 (en) * | 2016-11-01 | 2018-05-03 | Tecnik Technologies Pty Limited | Modular access structure |
| CN208235308U (en) * | 2018-03-22 | 2018-12-14 | 江苏苏建路桥机械有限公司 | A kind of Bailey bridge connector |
| CN111877138A (en) * | 2020-08-10 | 2020-11-03 | 漯河市公路事业发展中心 | Adjustable high-rigidity diaphragm plate device |
| CN213571499U (en) * | 2020-07-05 | 2021-06-29 | 李怀亮 | Steel trestle |
| CN113445436A (en) * | 2021-07-06 | 2021-09-28 | 中国建筑第二工程局有限公司 | Bridge pier temporary reinforcing structure under condition that does not stop |
| CN214831825U (en) * | 2021-06-26 | 2021-11-23 | 江苏镇江路桥工程有限公司 | Combined Bailey frame group flower stand dismounting structure |
| RU208873U1 (en) * | 2021-09-29 | 2022-01-19 | Общество С Ограниченной Ответственностью "Этис - Сзпк" | BEAM OF THE CABLE REST |
-
2022
- 2022-03-11 CN CN202210238521.5A patent/CN114395976B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2011507A (en) * | 1977-11-22 | 1979-07-11 | Westland Aircraft Ltd | Load-Supporting Structure |
| JP2011252297A (en) * | 2010-06-01 | 2011-12-15 | Coyo Create Co Ltd | Brace frame |
| CN202248510U (en) * | 2011-07-18 | 2012-05-30 | 浙江华铁建筑安全科技股份有限公司 | Transversely arranged brace rod type bailey |
| CN202187431U (en) * | 2011-07-19 | 2012-04-11 | 浙江华铁建筑安全科技股份有限公司 | Adjustable support rod |
| CN203007814U (en) * | 2012-12-19 | 2013-06-19 | 中铁十局集团第三建设有限公司 | Connection piece used for building bailey beam truss |
| CN205503048U (en) * | 2016-03-11 | 2016-08-24 | 湖南三一石油科技有限公司 | Automatic calandria system and pipe rack thereof |
| US20180119371A1 (en) * | 2016-11-01 | 2018-05-03 | Tecnik Technologies Pty Limited | Modular access structure |
| CN208235308U (en) * | 2018-03-22 | 2018-12-14 | 江苏苏建路桥机械有限公司 | A kind of Bailey bridge connector |
| CN213571499U (en) * | 2020-07-05 | 2021-06-29 | 李怀亮 | Steel trestle |
| CN111877138A (en) * | 2020-08-10 | 2020-11-03 | 漯河市公路事业发展中心 | Adjustable high-rigidity diaphragm plate device |
| CN214831825U (en) * | 2021-06-26 | 2021-11-23 | 江苏镇江路桥工程有限公司 | Combined Bailey frame group flower stand dismounting structure |
| CN113445436A (en) * | 2021-07-06 | 2021-09-28 | 中国建筑第二工程局有限公司 | Bridge pier temporary reinforcing structure under condition that does not stop |
| RU208873U1 (en) * | 2021-09-29 | 2022-01-19 | Общество С Ограниченной Ответственностью "Этис - Сзпк" | BEAM OF THE CABLE REST |
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| CN114395976B (en) | 2023-12-01 |
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