CN113374489B - Manufacturing method of originating anti-backward device of push bench - Google Patents
Manufacturing method of originating anti-backward device of push bench Download PDFInfo
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- CN113374489B CN113374489B CN202110735844.0A CN202110735844A CN113374489B CN 113374489 B CN113374489 B CN 113374489B CN 202110735844 A CN202110735844 A CN 202110735844A CN 113374489 B CN113374489 B CN 113374489B
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- China
- Prior art keywords
- steel plate
- pipe
- tenon
- steel
- jacking
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/036—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
Abstract
The invention discloses a manufacturing method of a starting anti-backward device of a push bench, belonging to the technical field of urban underground municipal pipeline construction. The fixed assembly and the bracket are combined to serve as 2 limiters, acting force is provided from the side face of the jacking pipe, and the jacking pipe is fixed at the original jacking position, so that the jacking pipe is limited to retreat. Enough space is reserved between the two jacks, and the hoisting and the lowering of the next section of jacking pipe cannot be influenced.
Description
Technical Field
The invention belongs to the technical field of urban underground municipal pipeline construction, and particularly relates to a manufacturing method of an originating anti-backward device of a push bench.
Background
The pipe jacking construction is that the friction force between the pipeline and the surrounding soil is overcome by means of the jacking force generated by jacking equipment in a working pit, the pipeline is jacked into the soil according to the designed gradient, and earthwork is transported away. During the construction of the pipe jacking method, in order to ensure that the jacked pipeline cannot retreat and cause the front soil body to sink, the pipeline at the inlet of the working well is usually subjected to displacement limitation manually, but the manual mode needs to consume manpower and has poor effect.
The application number is 201810121207.2's chinese patent discloses a prevent pipeline and move back device in the operation of push pipe, and this patent prevents the pipeline through arranging at the push pipe entry and moves back the device, and at pipeline jacking in-process, locating part and slider slide along the spout under the extrusion of pipeline, can not influence the pipeline and normally advance, and after the jacking was accomplished to the pipeline, locating part and slider reset, and locating part tightly pushed the intraoral pipeline of push pipe entry, prevent to have pushed the pipeline into and move back at the lower tube clearance. However, the structure of the patent is relatively complex, the occupied space in the working well is large, and the pipe jacking construction efficiency can be influenced during actual operation.
Disclosure of Invention
The invention aims to provide a manufacturing method of an initial backward movement prevention device of a push bench, and aims to solve the technical problem.
Therefore, the invention provides an initial backward movement prevention device of a push bench, which is symmetrically arranged on the outer side wall of a push bench in the left-right direction and comprises a fixing component and a bracket, wherein the fixing component is arranged in parallel to the central axis of the push bench, the elevation of the fixing component is the same as the height of the central axis of the push bench, one end of the fixing component, which is far away from the push bench, is propped against a back wall, and the fixing component comprises a jack, an oil pump, a control console and an oil pipe;
the one end that fixed subassembly is close to the push pipe is connected to the bracket, including supporting steel plate and the round steel tenon that is used for inserting the push pipe lateral wall, supporting steel plate connects in jack portion, the perpendicular push pipe of round steel tenon is connected in one side that supporting steel plate kept away from the jack, and the one end that the round steel tenon is close to the push pipe surpasss supporting steel plate's lateral wall, and the length that the round steel tenon surpassed supporting steel plate is less than the wall thickness of push pipe.
Preferably, the bracket still includes fixed steel sheet, the lateral wall at the round steel tenon is connected to fixed steel sheet parallel support steel sheet, fixed steel sheet and support steel sheet are located the both sides of round steel tenon respectively.
Preferably, the bracket further comprises a fixed channel steel, and the fixed channel steel is connected between the supporting steel plates and the fixed steel plates on the two sides of the round steel tenon.
Preferably, the notches of the fixing channel steel are arranged oppositely.
Preferably, the length of the round steel tenon exceeding the supporting steel plate is 1/2-3/4 of the wall thickness of the jacking pipe.
In addition, the invention also provides a manufacturing method of the originating anti-backward device of the push bench, which comprises the following steps:
firstly, welding a round steel tenon on one side of a support steel plate, wherein one end of the round steel tenon exceeds the support steel plate; then, welding the fixed channel steel with the round steel tenon and the supporting steel plate, wherein two sides of the round steel tenon are respectively welded with one fixed channel steel, and the notches of the two fixed channel steels are arranged oppositely; finally, welding the fixed steel plate parallel supporting steel plate with the round steel tenon and the fixed channel steel to finish the manufacture of the bracket;
secondly, using a jack as a jack of the fixed component during pipe jacking construction, and if the number of the jacks is insufficient, adding a group of jacks independently;
step three, field installation, namely hoisting the fixing assembly into a working well, installing the fixing assembly on the opposite surface of the jacking pipe, and adjusting the elevation of a jack of the fixing assembly to be consistent with the height of the central axis of the jacking pipe;
and fourthly, hoisting the bracket into the working well, inserting the round steel tenon into a hole formed in advance in the side wall of the jacking pipe, adjusting the position of the supporting steel plate, and finally jacking the jack on the supporting steel plate to form a complete anti-backward movement starting device of the pipe jacking machine.
In addition, the invention also provides a use method of the originating anti-backward device of the push bench, which comprises the following steps:
step one, pipe descending, namely jacking a jacking pipe;
step two, stopping jacking when the jacking pipe is jacked until the tail pipe orifice is positioned 400-600mm outside the hole;
drilling holes in the left side wall and the right side wall of the top pipe along the radial direction of the top pipe, wherein the height of the holes is the same as that of the central axis of the top pipe;
inserting round steel tenons of the brackets into the holes of the jacking pipes, and adjusting the positions of the supporting steel plates;
step five, one end of a jack of the two fixing assemblies is propped against the supporting steel plate, the other end of the jack is propped against the back wall, and the propelling force of the jacking pipe is transmitted to the back wall through the bracket and the fixing assemblies;
step six, assembling the next section of jacking pipe;
seventhly, removing the bracket after the assembly of the top pipes is completed, and plugging holes in the pipe walls of the top pipes;
step eight: and repeating the first step to the seventh step until the pipe jacking construction is completed.
Preferably, the left and right side walls of the top pipe are drilled in the third step by using a water drill.
Preferably, the depth of the holes drilled on the left and right side walls of the jacking pipe in the third step is 1/2-3/4 of the wall thickness of the jacking pipe.
Compared with the prior art, the invention has the characteristics and beneficial effects that:
(1) the invention designs a bracket which comprises a round steel tenon, a supporting steel plate, a fixing steel plate and a fixing channel steel, wherein the bracket and a jacking pipe are connected in an inserting mode, and the bracket acts on the outer wall of the jacking pipe to provide a firm stress point for the jacking pipe. The fixed assembly and the bracket are combined to serve as 2 limiters, acting force is provided from the side face of the jacking pipe, and the jacking pipe is fixed at the original jacking position, so that the jacking pipe is limited to retreat. Enough space is reserved between the two jacks, and the hoisting and the lowering of the next section of jacking pipe cannot be influenced.
(2) The initial anti-backward device of the push bench is simple in structure and convenient to operate, the 2 brackets are connected with the push bench in an inserted manner, the brackets are inserted into the grooves in the pipe wall of the push bench when the device is used, and the 2 brackets are pulled out after the device is used and placed at convenient positions. The jack is one group of jacks for jacking pipes, and the jack is shared with jacking pipe construction and does not need to be installed again.
Drawings
FIG. 1 is a schematic construction view of an anti-backward movement device for originating push bench.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic front view of the structure of fig. 1.
Fig. 4 is a schematic top view of the structure of fig. 1.
Fig. 5 is an enlarged view of part B of fig. 4.
Fig. 6 is a side view of the structure of fig. 1.
Fig. 7 is a schematic view of a corbel.
The attached drawings are marked as follows: 1-fixing components, 2-brackets, 21-round steel tenons, 22-supporting steel plates, 23-fixing steel plates, 24-fixing channel steel, 3-jacking pipes and 4-back walls.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1-7, the originating anti-back device of the push bench is arranged on the outer side wall of a push bench 3 in bilateral symmetry and comprises a fixing component 1 and a bracket 2.
The axis setting of the parallel push pipe 3 of fixed subassembly 1 and the elevation of fixed subassembly 1 is the same with the height of the axis of push pipe 3, and the one end that fixed subassembly 1 kept away from push pipe 3 all pushes up on back wall 4, and fixed subassembly 1 includes jack, oil pump, control cabinet and oil pipe.
The bracket 2 is connected at one end of the fixed component 1 close to the top pipe 3. Bracket 2 includes supporting steel plate 22 at least and is used for inserting the round steel tenon 21 of 3 lateral walls of push pipe, and supporting steel plate 22 is connected in jack portion, and the perpendicular push pipe 3 of round steel tenon 21 is connected in the one side that supporting steel plate 22 kept away from the jack to the one end that round steel tenon 21 is close to push pipe 3 surpasss supporting steel plate 22's lateral wall, and the length that round steel tenon 21 surpassed supporting steel plate 22 is less than push pipe 3's wall thickness. Specifically, the length of the round steel tenon 21 exceeding the supporting steel plate 22 is 1/2-3/4 of the wall thickness of the top pipe 3. The round steel tenon 21 is used for connecting the bracket 2 with the top pipe 3, and the supporting steel plate 22 is used for connecting the bracket 2 with a jack of the fixed component 1.
The bracket 2 further comprises a fixing steel plate 23, the fixing steel plate 23 is parallel to the supporting steel plate 22 and is connected to the side wall of the round steel tenon 21, and the fixing steel plate 23 and the supporting steel plate 22 are respectively located on two sides of the round steel tenon 21. The fixed steel plate 23, the supporting steel plate 22 and the fixed channel steel 24 are welded together to provide a stable stress surface.
The bracket 2 further comprises a fixing channel steel 24, and the fixing channel steel 24 is connected between the supporting steel plate 22 and the fixing steel plate 23 on two sides of the round steel tenon 21. The notches of the fixed channel steel 24 are arranged oppositely. The fixing channel steel 24 effectively connects the fixing steel plate 23 and the supporting steel plate 22, so that the stress of the supporting steel plate 22 is effectively transmitted to the round steel tenon 21.
The manufacturing method of the originating anti-backward device of the push bench comprises the following steps:
firstly, manufacturing the bracket 2 outside a field, welding a round steel tenon 21 on one side of a support steel plate 22, wherein one end of the round steel tenon 21 exceeds the support steel plate 22; then, welding the fixed channel steel 24 with the round steel tenon 21 and the supporting steel plate 22, wherein two sides of the round steel tenon 21 are respectively welded with one fixed channel steel 24, and the notches of the two fixed channel steels 24 are arranged oppositely; and finally, welding the fixed steel plate 23 parallel to the supporting steel plate 22 with the round steel tenon 21 and the fixed channel steel 24 to finish the manufacture of the bracket 2. Specifically, taking a certain project as an example, the round steel rabbet 21 is a round steel with the diameter of 100mm and the length of 600mm, the supporting steel plate 22 is a steel plate with the diameter of 350mm × 300mm × 30mm, the fixing steel plate 23 is a steel plate with the diameter of 350mm × 300mm × 10mm, and the fixing channel steel 24 is a # 10 channel steel.
And step two, using the jack as the jack of the fixing component 1 during pipe jacking construction, and if the number of the jacks is insufficient, adding a group of jacks independently. When the jack is installed, the acting point is required to act on the supporting steel plate 22 of the bracket 2. The jack is preferably fixed on the support and is symmetrical to the perpendicular line of the center of the top pipe 3, and the acting point of the resultant force is at the center of the top pipe 3. The jacks are symmetrically arranged, and the oil paths are connected in parallel so as to lead the strokes of the 2 jack pistons to be consistent.
And step three, field installation, namely, hoisting the fixing component 1 into the working well, installing the fixing component on the opposite surface of the jacking pipe 3, and adjusting the elevation of the jack of the fixing component 1 to be consistent with the height of the central axis of the jacking pipe 3.
And fourthly, hoisting the bracket 2 into the working well, inserting the round steel tenon 21 into a hole formed in advance in the side wall of the push pipe 3, adjusting the position of the supporting steel plate 22, and finally jacking the jack on the supporting steel plate 22 to form a complete anti-backward-falling device for starting of the push pipe machine.
The use method of the originating anti-backward device of the push bench comprises the following steps:
step one, pipe laying, and jacking the jacking pipe 3.
And step two, stopping jacking the jacking pipe 3 until the tail pipe orifice is positioned 400-600mm outside the hole.
And step three, drilling holes in the left side wall and the right side wall of the top pipe 3 along the radial direction of the top pipe 3 by using a water drill, wherein the depth of the holes is 1/2-3/4 of the wall thickness of the top pipe 3. The height of the hole is the same as that of the central axis of the top pipe 3.
And step four, inserting the round steel tenon 21 of the bracket 2 into the hole of the top pipe 3, and adjusting the position of the supporting steel plate 22.
And fifthly, one ends of jacks of the two fixing assemblies 1 are propped against the supporting steel plate 22, the other ends of the jacks are propped against the back wall 4, and the propelling force of the jacking pipes 3 is transmitted to the back wall 4 through the brackets 2 and the fixing assemblies 1.
And step six, assembling the next section of the jacking pipe 3.
And seventhly, removing the bracket 2 after the assembly of the top pipe 3 is completed, and plugging the hole on the pipe wall of the top pipe 3.
Step eight: and repeating the first step to the seventh step until the construction of the jacking pipe 3 is completed.
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (5)
1. The manufacturing method of the originating anti-backward-movement device of the push bench is characterized in that the originating anti-backward-movement device of the push bench is bilaterally and symmetrically arranged on the outer side wall of a push bench (3) and comprises a fixing component (1) and a bracket (2), the fixing component (1) is arranged in parallel to the central axis of the push bench (3), the elevation of the fixing component (1) is the same as the height of the central axis of the push bench (3), one end, far away from the push bench (3), of the fixing component (1) is supported on a back wall (4), and the fixing component (1) comprises a jack, an oil pump, an operating console and an oil pipe;
the bracket (2) is connected to one end, close to the top pipe (3), of the fixing assembly (1) and comprises a supporting steel plate (22) and a round steel tenon (21) used for being inserted into the side wall of the top pipe (3), the supporting steel plate (22) is connected to the top end portion of the jack, the round steel tenon (21) is perpendicular to the top pipe (3) and connected to one side, away from the jack, of the supporting steel plate (22), one end, close to the top pipe (3), of the round steel tenon (21) exceeds the side wall of the supporting steel plate (22), and the length, exceeding the supporting steel plate (22), of the round steel tenon (21) is smaller than the wall thickness of the top pipe (3);
the method comprises the following steps:
firstly, welding a round steel tenon (21) on one side of a support steel plate (22), wherein one end of the round steel tenon (21) exceeds the support steel plate (22); then, welding the fixed channel steel (24) with the round steel tenon (21) and the supporting steel plate (22), welding one fixed channel steel (24) on each of two sides of the round steel tenon (21), and arranging the notches of the two fixed channel steels (24) in a reverse manner; finally, welding a parallel supporting steel plate (22) of a fixed steel plate (23), a round steel tenon (21) and a fixed channel steel (24) to finish the manufacture of the bracket (2);
step two, using a jack as a jack of the fixing component (1) during pipe jacking construction, and if the number of the jacks is insufficient, independently adding a group of jacks;
step three, field installation, namely hoisting the fixing component (1) into a working well, installing the fixing component on the opposite surface of the jacking pipe (3), and adjusting the elevation of a jack of the fixing component (1) to be consistent with the height of the central axis of the jacking pipe (3);
hoisting the bracket (2) into the working well, inserting the round steel tenon (21) into a hole formed in the side wall of the pipe jacking device (3) in advance, adjusting the position of the supporting steel plate (22), and finally jacking the jack on the supporting steel plate (22) to form a complete backward movement prevention device for starting of the pipe jacking device.
2. The method for manufacturing the backward movement prevention device for originating push bench of claim 1, wherein the method comprises the following steps: bracket (2) are still including fixed steel sheet (23), the lateral wall at round steel tenon (21) is connected in fixed steel sheet (23) parallel support steel sheet (22), fixed steel sheet (23) are located the both sides of round steel tenon (21) respectively with support steel sheet (22).
3. The method for manufacturing the initial backward movement prevention device of the push bench as claimed in claim 2, wherein: bracket (2) still include fixed channel-section steel (24), fixed channel-section steel (24) are connected between supporting steel plate (22) and fixed steel sheet (23) of round steel tenon (21) both sides.
4. The method for manufacturing the backward movement prevention device for originating push bench of claim 3, wherein the method comprises the following steps: the notches of the fixed channel steel (24) are arranged oppositely.
5. The method for manufacturing the backward movement prevention device for originating push bench of claim 1, wherein the method comprises the following steps: the length of the round steel tenon (21) exceeding the supporting steel plate (22) is 1/2-3/4 of the wall thickness of the top pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110735844.0A CN113374489B (en) | 2021-06-30 | 2021-06-30 | Manufacturing method of originating anti-backward device of push bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110735844.0A CN113374489B (en) | 2021-06-30 | 2021-06-30 | Manufacturing method of originating anti-backward device of push bench |
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| Publication Number | Publication Date |
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| CN113374489A CN113374489A (en) | 2021-09-10 |
| CN113374489B true CN113374489B (en) | 2022-09-20 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3773860B2 (en) * | 2002-01-31 | 2006-05-10 | 機動建設工業株式会社 | Device for preventing movement of buried pipe line in propulsion method |
| CN104265302B (en) * | 2014-08-06 | 2016-09-07 | 上海隧道工程有限公司 | Jacking pipe joints stopping device |
| CN108361040B (en) * | 2018-02-07 | 2023-05-26 | 中建八局第三建设有限公司 | Device for preventing pipeline from backing in pipe jacking operation, and manufacturing method and using method thereof |
| CN211693766U (en) * | 2019-12-26 | 2020-10-16 | 中建四局土木工程有限公司 | Subway pipeline thrust device |
| CN212535667U (en) * | 2020-07-03 | 2021-02-12 | 北京市政建设集团有限责任公司 | Pipe joint retaining device for pipe jacking method tunnel engineering |
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