CN218267582U - Arc-shaped rear backrest device for micro pipe jacking construction - Google Patents
Arc-shaped rear backrest device for micro pipe jacking construction Download PDFInfo
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- CN218267582U CN218267582U CN202221578297.6U CN202221578297U CN218267582U CN 218267582 U CN218267582 U CN 218267582U CN 202221578297 U CN202221578297 U CN 202221578297U CN 218267582 U CN218267582 U CN 218267582U
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Abstract
The utility model discloses a back device behind arc for construction of miniature push pipe, including arc steel sheet, biography power parallels, connecting plate, lug and bearing plate, the device main part is one section arc steel sheet, and lug is respectively welded at both ends, middle welding a slice bearing plate, can place very heavy push pipe line and other equipment on the bearing plate. The front ends of the arc-shaped steel plates are welded with force transmission sizing blocks, each force transmission sizing block is composed of three triangular steel plates, the force transmission sizing blocks are welded into a whole through a connecting plate to provide a supporting surface for a jack boot, the jack acts on the connecting plate, and the jacking force is transmitted to the back backrest and the well wall through the force transmission sizing blocks to provide counter force. The utility model discloses be suitable for extensively, through pouring concrete between the back and the wall of a well and fill the gap, adjust the whole circular arc radius size of back in order to be suitable for the construction of the little push pipe work well of multiple size, the completion can abolish in the top.
Description
Technical Field
The utility model belongs to the technical field of miniature pipe jacking construction, concretely relates to back device behind arc for miniature pipe jacking construction.
Background
With the need of social development and the progress of construction technology, the construction of miniature jacking pipes is increasing day by day, all jacking forces generated by a jack are concentrated on a rear backrest in the jacking construction process of the miniature jacking pipes, and the compressive strength and the stability of the rear backrest have great influence on the construction.
At present, the traditional method for manufacturing the rear backrest is cast-in-place concrete, the manufacturing period of the rear backrest is long, and the rear backrest is only suitable for construction of working wells with the same size, so that materials are wasted, and turnover is very difficult. Therefore, it is important to design a novel rear backrest which is suitable for construction of working wells with different sizes and is easy to transport and install.
Disclosure of Invention
In order to overcome above-mentioned technical problem among the prior art, the utility model provides a back device behind arc for miniature push pipe construction through the design of arc steel sheet, makes the back hug closely the work wall of a well, lets the jacking force of jack more accord with the mechanics principle and transmits the wall of a well in order to provide the counter-force, has increased the efficiency of construction, has solved above-mentioned technical problem.
The utility model provides a back device behind arc for miniature push pipe construction, this arc is backed on the knapsack and is included the arc steel sheet, pass power parallels, the connecting plate, lug and bearing plate, arc steel sheet back is tightly leaned on the work wall of a well, the top welding of arc steel sheet has the bearing plate, the bearing plate is located the central point of arc steel sheet and puts, and with the up end parallel and level of arc steel sheet, bearing plate welding angle is perpendicular with the arc steel sheet, the welding of the left and right sides of arc steel sheet has the power parallels, its lateral surface is parallel with jack boots, the power transmission parallels is 3 fan-shaped steel sheets, the connecting plate is the rectangle steel sheet, weld perpendicularly on passing the power parallels, form wholly rather than, provide the holding surface for jack boots, the left and right sides on arc steel sheet upper portion has still welded the lug, the inboard welding of lug is on the arc steel sheet, the bottom welding is on passing the power parallels.
The arc-shaped rear backrest device for the miniature pipe jacking construction is characterized in that the arc-shaped steel plate is made of Q235B steel, and the radian of the steel plate is basically the same as that of the inner wall of the working well.
Foretell back device behind arc for miniature push pipe construction, the fan-shaped steel sheet radian of biography power parallels with the inboard radian of arc steel sheet, and fan-shaped steel sheet and the perpendicular welding of arc steel sheet, and 3 fan-shaped steel sheets equidistant distribution.
According to the arc-shaped rear backrest device for the miniature pipe jacking construction, the height dimension of the connecting plate is consistent with the distance between the upper fan-shaped steel plate and the lower fan-shaped steel plate of the force transmission sizing block.
The arc-shaped rear backrest device for the miniature pipe jacking construction is characterized in that the lifting lug is made of Q235B steel, the inner side of the lifting lug is welded on an arc-shaped steel plate, and the bottom of the lifting lug is welded on a force transmission sizing block.
According to the arc-shaped rear backrest device for micro pipe jacking construction, the welding angle of the bearing plate is perpendicular to that of the arc-shaped steel plate, the middle of the bearing plate is reserved with the round hole, and a jack pipeline and related equipment can be placed on the bearing plate.
Foretell a back device behind arc for miniature push pipe construction, when the radius of curvature of the working shaft wall is inequality with the arc steel sheet, the clearance position between the arc steel sheet and the working shaft wall is pour fast hard concrete and is filled the gap between the two.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can reach following beneficial effect:
1. the utility model integrally adopts factory prefabrication, and after prefabrication, the utility model can be transported and hoisted to the jacking elevation for construction, thereby avoiding the waste of personnel, materials and construction period when the traditional back rest is manufactured on site;
2. the utility model makes the back rest cling to the wall of the well through the design of the arc-shaped steel plate, so that the jacking force of the jack is more in line with the mechanics principle and is transmitted to the wall of the well to provide counter force, thereby increasing the construction efficiency;
3. the utility model discloses a to the design of arc steel sheet, be suitable for extensively. The concrete is poured between the backrest and the well wall to fill gaps, so that the overall arc radius size of the backrest is adjusted to be suitable for construction of working wells with different sizes;
4. the utility model discloses a design of bearing plate lets pipeline and the equipment of jack place here, has avoided being damaged because of the shaft bottom is moist or ponding.
Drawings
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the overall structure of an arc-shaped rear backrest device for micro pipe jacking construction according to the present invention;
fig. 2 is a schematic view of the attachment of the arc-shaped rear backrest and the working well wall of the present invention;
fig. 3 is a schematic structural diagram of the gap filling according to the present invention;
FIG. 4 is a schematic view of the construction of the micro pipe jacking system of the present invention;
in the figure: 1-arc steel plate, 2-force transmission sizing block, 3-connecting plate, 4-lifting lug, 5-bearing plate, 6-working well wall, 7-arc back rest, 8-jack and 9-filling gap.
Detailed Description
As shown in fig. 1, do the utility model relates to a back device's overall structure schematic diagram behind arc for miniature push pipe construction, back 7 includes arc steel sheet 1, biography power parallels 2, connecting plate 3, lug 4 and bearing plate 5 behind this arc, 1 back of arc steel sheet is near on the wall of a working well 6, the top welding of arc steel sheet 1 has bearing plate 5, bearing plate 5 is located arc steel sheet 1's central point and puts to with the up end parallel and level of arc steel sheet 1, bearing plate 5 welding angle is perpendicular with arc steel sheet 1, the welding of the left and right sides of arc steel sheet 1 has biography power parallels 2, and its lateral surface is parallel with 8 top boots of jack, biography power parallels 2 is 3 fan-shaped steel sheets, connecting plate 3 is the rectangle steel sheet, and welds perpendicularly on biography power parallels 2, rather than forming whole, provides the holding surface for 8 tops of jack, the left and right sides on arc steel sheet 1 upper portion still welds 4, 4 inboard welding is on arc steel sheet 1, and on the lug 2 is passed power to the bottom.
The arc-shaped steel plate 1 is made of Q235B steel, the radian of the steel plate is basically the same as that of the working well wall 6, and the jointing relation of the steel plate and the working well wall is shown in figure 2.
The radian of the fan-shaped steel plate of the force transferring sizing block 2 is the same as that of the inner side of the arc-shaped steel plate 1, the fan-shaped steel plate is perpendicularly welded with the arc-shaped steel plate 1, and the 3 fan-shaped steel plates are distributed at equal intervals.
The height dimension of the connecting plate 3 is consistent with the distance between the upper fan-shaped steel plate and the lower fan-shaped steel plate of the force transmission sizing block 2.
The lifting lug 4 is made of Q235B steel, the inner side of the lifting lug is welded on the arc-shaped steel plate 1, and the bottom of the lifting lug is welded on the force transmission sizing block 2.
The welding angle of the bearing plate 5 is vertical to the arc-shaped steel plate 1, a circular hole is reserved in the middle, and a jack pipeline and other equipment can be placed on the bearing plate 5.
When the curvature radius of the working well wall 6 is different from that of the arc-shaped steel plate 1, fast-hardening concrete is poured at the position of a filling gap 9 between the arc-shaped steel plate 1 and the working well wall 6 to fill the gap between the arc-shaped steel plate and the working well wall, as shown in fig. 3.
The utility model relates to a back device behind arc for miniature push pipe construction mainly accomplishes the construction of miniature push pipe work wall of a well 6 through following construction steps when specifically using, and back 7 behind the arc is used for miniature push pipe work progress as shown in figure 4:
the method comprises the following steps: prefabricating a section of arc-shaped steel plate 1 with the same inner diameter as the section of arc-shaped steel plate according to the size of a working well, and welding a force transmission sizing block 2, a connecting plate 3, a lifting lug 4 and a bearing plate 5 at required positions;
step two: transporting and hoisting the prefabricated arc-shaped back rest 7 to a working well, and adjusting the angle of the arc-shaped back rest 7 according to the center position of the hole until the center of the arc-shaped back rest 7 is aligned with the center of the hole;
step three: hoisting the jack 8 to a working well, adjusting the angle of the jack 8 until the operation surface of the jack 8 completely acts on the connecting plate 3, and adjusting the operation surface of the jack 8 to form a 90-degree included angle with the center of the opening;
step four: placing a pipeline or equipment of the jack 8 on the bearing plate 5, and jacking for construction after adjusting the equipment and the angle;
step five: for the construction of working wells with different sizes, firstly, the content construction described in the steps is carried out, after the angle adjustment is finished, templates are erected at the filling gaps 9 at the left end and the right end of the arc-shaped steel plate 1, steel pipes are adopted for supporting, and fast-hardening concrete is poured in the filling gaps 9 between the arc-shaped back rest 7 and the working well wall 6 to fill the gaps;
step six: after the quick hardening concrete reaches the design strength, the template is dismantled, and the equipment is adjusted to perform jacking construction;
step seven: and after the top pipe is penetrated and pushed in, breaking the concrete filled in the gap 9, hoisting the arc-shaped back backrest 7 out of the well, and transporting to the next working well for construction.
It will be understood by those skilled in the art that the foregoing is merely exemplary of the present invention, and is not intended to limit the invention to the particular forms disclosed, and all changes, equivalents and modifications that fall within the spirit and scope of the invention are intended to be embraced thereby.
Claims (7)
1. The utility model provides a back device behind arc for miniature push pipe construction, its characterized in that, back (7) include arc steel sheet (1), biography power parallels (2), connecting plate (3), lug (4) and bearing plate (5) behind this arc, arc steel sheet (1) back is tightly leaned on the work wall of a well (6), the top welding of arc steel sheet (1) has bearing plate (5), bearing plate (5) are located the central point of arc steel sheet (1) and put to with the up end parallel and level of arc steel sheet (1), bearing plate (5) welding angle is perpendicular with arc steel sheet (1), the left and right sides welding of arc steel sheet (1) has biography power parallels (2), and its lateral surface is parallel with jack (8) top boots, biography power parallels (2) are 3 fan-shaped steel sheets, connecting plate (3) are the rectangle steel sheet, and the welding is on perpendicular welding biography power parallels (2), forms wholly with it, provides the support face for jack (8) top boots, the left and right sides on arc steel sheet (1) upper portion still welds arc steel (4) the lug, and the welding is inboard at biography power to be in the lug (1).
2. The arc-shaped rear backrest device for micro pipe jacking construction according to claim 1, wherein the arc-shaped steel plate (1) is made of Q235B steel, and the radian of the steel plate is basically the same as that of the inner wall of the working well.
3. The arc-shaped rear backrest device for micro pipe jacking construction according to claim 1, wherein the radian of the fan-shaped steel plate of the force transmission sizing block (2) is the same as the radian of the inner side of the arc-shaped steel plate (1), the fan-shaped steel plate is vertically welded with the arc-shaped steel plate (1), and 3 fan-shaped steel plates are distributed at equal intervals.
4. The arc-shaped back rest device for micro pipe jacking construction according to claim 1, wherein the height dimension of the connecting plate (3) is consistent with the distance between the upper and lower fan-shaped steel plates of the force transmission sizing block (2).
5. The arc-shaped rear backrest device for micro pipe jacking construction according to claim 1, wherein the lifting lug (4) is made of Q235B steel.
6. The arc-shaped back rest device for micro pipe jacking construction according to claim 1, wherein the welding angle of the bearing plate (5) is perpendicular to the arc-shaped steel plate (1), a circular hole is reserved in the middle, and a jack pipeline and related equipment can be placed on the bearing plate (5).
7. The arc-shaped rear backrest device for micro pipe jacking construction according to claim 1, wherein when the radius of curvature of the working well wall (6) is different from that of the arc-shaped steel plate (1), fast hardening concrete is poured in a gap between the arc-shaped steel plate (1) and the working well wall (6) to fill the gap between the arc-shaped steel plate and the working well wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221578297.6U CN218267582U (en) | 2022-06-23 | 2022-06-23 | Arc-shaped rear backrest device for micro pipe jacking construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221578297.6U CN218267582U (en) | 2022-06-23 | 2022-06-23 | Arc-shaped rear backrest device for micro pipe jacking construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218267582U true CN218267582U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221578297.6U Active CN218267582U (en) | 2022-06-23 | 2022-06-23 | Arc-shaped rear backrest device for micro pipe jacking construction |
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| Country | Link |
|---|---|
| CN (1) | CN218267582U (en) |
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2022
- 2022-06-23 CN CN202221578297.6U patent/CN218267582U/en active Active
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