CN220118118U - Hydraulic pushing structure of rectangular jacking pipe - Google Patents
Hydraulic pushing structure of rectangular jacking pipe Download PDFInfo
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- CN220118118U CN220118118U CN202321424209.1U CN202321424209U CN220118118U CN 220118118 U CN220118118 U CN 220118118U CN 202321424209 U CN202321424209 U CN 202321424209U CN 220118118 U CN220118118 U CN 220118118U
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- 238000010030 laminating Methods 0.000 claims description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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Abstract
The utility model relates to a hydraulic pushing structure of a rectangular jacking pipe, which belongs to the technical field of building construction and comprises four L-shaped mounting frames and quick assembly disassembly components, wherein the four L-shaped mounting frames are sequentially connected in a tail-end manner to form a rectangular frame structure, and any two adjacent L-shaped mounting frames are detachably connected through the quick assembly disassembly components; the L-shaped mounting rack is characterized in that a connecting flange is fixedly arranged at the end part of the L-shaped mounting rack, a step column is vertically fixed on the connecting flange, a plurality of positioning pin holes are further formed in the connecting flange, the quick assembly disassembly component comprises a frame, two movable clamping blocks for clamping the step column are slidably mounted inside the frame, the movable clamping blocks are locked through a locking mechanism, and a plurality of positioning pins matched with the positioning pin holes in a one-to-one correspondence mode are further arranged outside the frame. The utility model can effectively improve the disassembly and assembly efficiency and ensure the stability of structural connection.
Description
Technical Field
The utility model relates to a hydraulic pushing structure of a rectangular jacking pipe, and belongs to the technical field of building construction.
Background
The pipe jacking method is a construction method of underground excavation which is adopted when a tunnel or an underground pipeline passes through various obstacles such as railways, roads, rivers or buildings.
During construction, the pipe is pressed into the soil layer by the force-transmitting top iron and the guide rail through the hydraulic jack supported on the rear seat of the foundation pit, and meanwhile, soil on the front surface of the pipe is excavated and transported away. When the first joint pipe is jacked into the soil layer, the second joint pipe is jacked into the soil layer continuously, so that the joint pipe is jacked into the soil layer, and an interface is formed, so that the culvert pipe is built. The pipe jacking method is especially suitable for building culverts or rivers and lakes passing through the lower part of the built building and the traffic line. The jacking pipe is divided into mechanical excavation jacking, extrusion jacking, hydraulic mechanical excavation, manual excavation jacking and the like according to different modes of excavating soil.
The structure of hydraulic pushing mainly comprises a frame-shaped mounting bracket and a plurality of hydraulic cylinders, and because equipment is huge, the existing mounting bracket structure is formed by assembling a plurality of bracket units, and each bracket unit is provided with one hydraulic cylinder for facilitating equipment lifting and transportation.
However, when the mounting mode is adopted, a plurality of flange bolts are required to be locked when each bracket unit is connected and assembled, so that in the process of assembling and disassembling the whole mounting bracket, tens or even more bolts are required to be loosened, the mounting and dismounting efficiency is low, the manual operation strength is high, the quick construction is not facilitated, and improvement is needed.
Disclosure of Invention
In order to overcome the defects of low efficiency, high working strength and the like of the existing hydraulic pushing, installing and detaching, the utility model designs a hydraulic pushing structure of a rectangular jacking pipe, which can effectively improve the dismounting efficiency and ensure the stability of structural connection.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the hydraulic pushing structure of the rectangular jacking pipe comprises four L-shaped mounting frames and a quick assembly disassembly component, wherein the four L-shaped mounting frames are sequentially connected in a tail-end mode to form a rectangular frame structure, and any two adjacent L-shaped mounting frames are detachably connected through the quick assembly disassembly component; the L-shaped mounting rack is characterized in that a connecting flange is fixedly arranged at the end part of the L-shaped mounting rack, a step column is vertically fixed on the connecting flange, a plurality of positioning pin holes are further formed in the connecting flange, the quick assembly disassembly component comprises a frame, two movable clamping blocks for clamping the step column are slidably mounted inside the frame, the movable clamping blocks are locked through a locking mechanism, and a plurality of positioning pins matched with the positioning pin holes in a one-to-one correspondence mode are further arranged outside the frame.
Further, the locking mechanism comprises a mouth opening spring, a fastening bolt and a fastening nut, one end of the fastening bolt is movably arranged between the two movable clamping blocks, threads at the other end of the fastening bolt penetrate through one movable clamping block and are sleeved with the threads of the fastening nut, the mouth opening spring is fixedly arranged between the two movable clamping blocks and is sleeved outside the fastening bolt, and the fastening bolt and the mouth opening spring are arranged along the sliding direction of the parallel movable clamping blocks.
Further, the step column comprises a connecting column and a clamping column which are connected in sequence, a clamping conical surface is arranged between the connecting column and the clamping column, the connecting column and the clamping column are concentrically arranged, and the diameter of the clamping column is larger than that of the connecting column; two the relative one side of removal clamp block is provided with the arc interlock groove that is used for laminating clamp connection post, just arc interlock groove medial surface set up to with joint conical surface looks block just is used for preventing the centre gripping conical surface that the joint post withdrawed from.
Further, the inside track pole that is fixed with a plurality of syntropy settings of frame, be provided with the slip draw-in groove along length direction on the track pole, the slip card of removal clamp block is established in the slip draw-in groove.
Further, one end of the fastening bolt, which extends out of the movable clamping block, is inserted with a cotter pin.
Further, two fastening nuts are sleeved on the fastening bolts in a threaded manner.
Further, lifting lugs are arranged on the L-shaped mounting frame.
Compared with the prior art, the utility model has the following characteristics and beneficial effects:
1. in the utility model, when the L-shaped mounting frame is mounted and dismounted, the mounting and dismounting can be performed by only operating the quick dismounting assembly, compared with the existing mounting and dismounting mode, a large number of flange bolts are not required to be loosened, and the working efficiency can be effectively improved.
2. According to the utility model, by arranging the conical surface contact structure, the connecting flange at the end part of the L-shaped mounting frame 1 is only abutted against the frame of the quick assembly disassembly assembly, so that the connecting gap can be eliminated, and the structural connection stability is ensured.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present utility model;
FIG. 2 is a schematic diagram of a front view of a quick release assembly of the present utility model;
FIG. 3 is a schematic top view of the quick release assembly of the present utility model;
fig. 4 is a partially enlarged schematic view of the structure at a of fig. 3.
Wherein the reference numerals are as follows: 1. an L-shaped mounting rack; 2. a hydraulic cylinder; 3. a connecting flange; 4. quick assembly disassembly components; 5. lifting lugs; 6. a frame; 7. a track rod; 8. moving the clamping block; 9. arc-shaped occlusion grooves; 10. opening springs; 11. a fastening bolt; 12. a fastening nut; 14. positioning pins; 15. positioning pin holes; 16. a cotter pin; 17. a step post; 171. a connecting column; 172. a clamping column; 173. clamping the conical surface; 19. clamping the conical surface; 20. and a sliding clamping groove.
Detailed Description
The present utility model will be described in more detail with reference to examples.
As shown in fig. 1 to 4, the hydraulic pushing structure of the rectangular jacking pipe of the embodiment comprises an L-shaped mounting frame 1 and a quick assembly disassembly component 4, wherein the L-shaped mounting frame 1 is provided with four, the four L-shaped mounting frames 1 are sequentially connected in a tail-end manner to form a rectangular frame structure, and any two adjacent L-shaped mounting frames 1 are detachably connected through the quick assembly disassembly component 4; the fixed flange 3 that is provided with of L shape mounting bracket 1 tip, perpendicular being fixed with step post 17 on the flange 3, and still be provided with a plurality of locating pin holes 15 on the flange 3, quick assembly disassembly subassembly 4 includes frame 6, and frame 6 inside slidable mounting has two removal clamping blocks 8 that are used for pressing from both sides tight step post 17, and removal clamping blocks 8 pass through locking mechanism locking, and the frame 6 outside still is provided with a plurality of locating pins 14 with each locating pin hole 15 one-to-one complex.
Specifically, the corner of the L-shaped mounting frame 1 is set to be of a chamfer structure, and each L-shaped mounting frame 1 is correspondingly provided with 4-6 hydraulic cylinders 2, and in this embodiment, each L-shaped mounting frame 1 is provided with 6 hydraulic cylinders 2.
Further, the locking mechanism comprises a mouth opening spring 10, a fastening bolt 11 and a fastening nut 12, one end of the fastening bolt 11 is movably arranged between the two movable clamping blocks 8, threads at the other end penetrate through one movable clamping block 8 and are sleeved with the fastening nut 12, the mouth opening spring 10 is fixedly arranged between the two movable clamping blocks 8 and is sleeved outside the fastening bolt 11, and the fastening bolt 11 and the mouth opening spring 10 are arranged along the sliding direction of the parallel movable clamping blocks 8.
Specifically, the opening spring 10 is a compression spring, and after the fastening nut 12 is unscrewed, the two movable clamping blocks 8 can be pushed open under the elastic force of the opening spring 10, so that the step post 17 can be conveniently inserted into or withdrawn from the opening spring.
Further, the step column 17 comprises a connecting column 171 and a clamping column 172 which are connected in sequence, a clamping conical surface 173 is arranged between the connecting column 171 and the clamping column 172, the connecting column 171 and the clamping column 172 are arranged concentrically, and the diameter of the clamping column 172 is larger than that of the connecting column 171; the opposite sides of the two movable clamping blocks 8 are provided with arc-shaped engagement grooves 9 for attaching and clamping the connecting columns 171, and the inner side surfaces of the arc-shaped engagement grooves 9 are provided with clamping conical surfaces 19 which are clamped with the clamping conical surfaces 173 and are used for preventing the clamping columns 172 from withdrawing.
Specifically, during connection, the L-shaped mounting frame 1 is attached to the quick assembly disassembly component 4, the step column 17 stretches into the frame 6, the movable clamping blocks 8 on two sides are close to each other and move, the two movable clamping blocks 8 are sleeved with the connecting column 171 through the arc-shaped engagement groove 9, and the clamping conical surface 173 is attached to the clamping conical surface 19 to form non-return fixed connection;
in order to eliminate the connection gap between the L-shaped mounting frame 1 and the quick assembly disassembly component 4, the clamping conical surface 19 is arranged at the corresponding arc-shaped meshing groove 9 by arranging the clamping conical surface 173, when the arc-shaped meshing grooves 9 on two sides are close, the clamping conical surface 173 is contacted with the clamping conical surface 19, and the clamping block 8 can clamp gradually along with the clamping contact, so that the axial tension can be applied to the step column 17, and the connecting flange 3 at the end part of the L-shaped mounting frame 1 is tightly abutted against the frame 6 of the quick assembly disassembly component 4.
Further, the inside track pole 7 that is fixed with a plurality of syntropy settings of frame 6, be provided with slip draw-in groove 20 along length direction on the track pole 7, the slip card of removal clamp block 8 is established in slip draw-in groove 20, through the setting of track pole 7, forms stable sliding connection structure, ensures that removal clamp block 8 can not break away from with frame 6.
Further, the end of the fastening bolt 11 extending out of the movable clamping block 8 is inserted with a cotter pin 16, so that the fastening bolt 11 is prevented from falling off during disassembly.
Further, two fastening nuts 12 are screwed on the fastening bolts 11, and the two movable clamping blocks 8 are kept in the closed state by the two fastening nuts 12.
Further, be provided with lug 5 on the L shape mounting bracket 1, convenient hoist and mount.
The working principle of the utility model is as follows:
when the L-shaped mounting frame 1 is mounted and dismounted, the mounting and dismounting can be performed only by operating the quick dismounting assembly 4, compared with the existing mounting and dismounting mode, a large number of flange bolts are not required to be loosened, and the working efficiency can be effectively improved;
through setting up conical surface contact structure, make flange 3 and the frame 6 of quick assembly disassembly subassembly 4 of L shape mounting bracket 1 tip only support and lean on, can eliminate the connection gap, guarantee structural connection steadiness.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Claims (7)
1. A hydraulic pushing structure of a rectangular jacking pipe is characterized in that: the novel LED lamp comprises L-shaped mounting frames (1) and quick assembly disassembly components (4), wherein the number of the L-shaped mounting frames (1) is four, the four L-shaped mounting frames (1) are sequentially connected in a tail-end mode to form a rectangular frame structure, and any two adjacent L-shaped mounting frames (1) are detachably connected through the quick assembly disassembly components (4); the L-shaped mounting frame is characterized in that a connecting flange (3) is fixedly arranged at the end part of the L-shaped mounting frame (1), a step column (17) is vertically fixed on the connecting flange (3), a plurality of positioning pin holes (15) are further formed in the connecting flange (3), the quick assembly disassembly component (4) comprises a frame (6), two movable clamping blocks (8) used for clamping the step column (17) are slidably mounted inside the frame (6), the movable clamping blocks (8) are locked through a locking mechanism, and a plurality of positioning pins (14) which are matched with the positioning pin holes (15) in a one-to-one mode are further arranged outside the frame (6).
2. The hydraulic pushing structure of a rectangular jacking pipe according to claim 1, wherein: the locking mechanism comprises a mouth opening spring (10), a fastening bolt (11) and a fastening nut (12), one end of the fastening bolt (11) is movably arranged between two movable clamping blocks (8), threads at the other end penetrate through one movable clamping block (8) and are sleeved with threads of the fastening nut (12), the mouth opening spring (10) is fixedly arranged between the two movable clamping blocks (8) and sleeved outside the fastening bolt (11), and the fastening bolt (11) and the mouth opening spring (10) are arranged along the sliding direction of the parallel movable clamping blocks (8).
3. The hydraulic pushing structure of a rectangular jacking pipe according to claim 2, wherein: the step column (17) comprises a connecting column (171) and a clamping column (172) which are connected in sequence, a clamping conical surface (173) is arranged between the connecting column (171) and the clamping column (172), the connecting column (171) and the clamping column (172) are concentrically arranged, and the diameter of the clamping column (172) is larger than that of the connecting column (171); two the opposite one side of removal clamp block (8) is provided with arc interlock groove (9) that are used for laminating clamp connection post (171), just arc interlock groove (9) medial surface set up for with joint conical surface (173) looks block just is used for preventing clamping conical surface (19) that joint post (172) withdraw from.
4. The hydraulic pushing structure of a rectangular jacking pipe according to claim 1, wherein: the frame (6) is internally fixed with a plurality of track rods (7) which are arranged in the same direction, sliding clamping grooves (20) are formed in the track rods (7) along the length direction, and the movable clamping blocks (8) are slidably clamped in the sliding clamping grooves (20).
5. The hydraulic pushing structure of a rectangular jacking pipe according to claim 2, wherein: one end of the fastening bolt (11) extending out of the movable clamping block (8) is inserted with a cotter pin (16).
6. The hydraulic pushing structure of a rectangular jacking pipe according to claim 2, wherein: two fastening nuts (12) are sleeved on the fastening bolt (11) in a threaded manner.
7. The hydraulic pushing structure of a rectangular jacking pipe according to claim 1, wherein: lifting lugs (5) are arranged on the L-shaped mounting frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321424209.1U CN220118118U (en) | 2023-06-06 | 2023-06-06 | Hydraulic pushing structure of rectangular jacking pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321424209.1U CN220118118U (en) | 2023-06-06 | 2023-06-06 | Hydraulic pushing structure of rectangular jacking pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118118U true CN220118118U (en) | 2023-12-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321424209.1U Active CN220118118U (en) | 2023-06-06 | 2023-06-06 | Hydraulic pushing structure of rectangular jacking pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118118U (en) |
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2023
- 2023-06-06 CN CN202321424209.1U patent/CN220118118U/en active Active
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