CN220202891U - Precast concrete cushion block for drain pipe - Google Patents
Precast concrete cushion block for drain pipe Download PDFInfo
- Publication number
- CN220202891U CN220202891U CN202321412441.3U CN202321412441U CN220202891U CN 220202891 U CN220202891 U CN 220202891U CN 202321412441 U CN202321412441 U CN 202321412441U CN 220202891 U CN220202891 U CN 220202891U
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- precast concrete
- drain pipe
- connecting rod
- concrete blocks
- precast
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 89
- 230000008093 supporting effect Effects 0.000 claims abstract description 48
- 239000004567 concrete Substances 0.000 claims abstract description 23
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 238000010276 construction Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The application relates to the technical field of drainage pipeline construction and provides a drainage pipe concrete prefabricated cushion block, which comprises two prefabricated concrete blocks and a connecting rod; the two precast concrete blocks are horizontally and transversely arranged, the opposite sides of the two precast concrete blocks are respectively provided with a supporting inclined plane, and the supporting inclined planes of the two precast concrete blocks form a V-shaped supporting surface for supporting the drain pipe in space; the two precast concrete blocks are respectively connected to the two ends of the connecting rod. The drainage pipe can be effectively supported by the V-shaped supporting surface formed by the supporting inclined surfaces of the two precast concrete blocks in space, the two precast concrete blocks are close to or far away from each other, the distance adjustment of the two supporting inclined surfaces of the V-shaped supporting surface is realized, and the support device is suitable for supporting the drainage pipe with different diameters or realizing the adjustment of the supporting height of the drainage pipe.
Description
Technical Field
The utility model belongs to the technical field of drainage pipeline construction, and particularly relates to a drainage pipe concrete prefabricated cushion block.
Background
In the current drainage pipeline construction process, the construction of a pipeline foundation (for short, a pipe foundation) is an important procedure. The pipe base is a facility between the drainage pipeline and the foundation. When the foundation strength is insufficient to bear the upper pressure, the stressed area can be increased through the pipe base, so that the load is uniformly transferred to the foundation. The pipe base is also commonly referred to as pipe socket concrete or pipe-in-pipe concrete, which is wrapped or poured directly under the drain pipe. When the traditional method is used for constructing the pipe base, the construction method is generally divided into two pouring steps, after the first pouring step reaches the elevation of the pipe bottom, the drainage pipeline is installed after the strength of concrete meets the requirement, and the second pouring step is carried out, so that the pipe base is poured to the 120-degree position of the wrapping pipe, and the construction method for pouring the pipe base twice has the problems of complex working procedures and low construction efficiency. In order to simplify the construction and improve the construction efficiency, a mode of adopting a finished cushion layer to match with a pipe foundation for construction has appeared in recent years, namely, the finished cushion layer is arranged on a foundation in advance, the type of the finished cushion layer is adjusted according to the design elevation of a drainage pipeline so as to obtain a proper supporting height, the drainage pipeline is arranged on the finished cushion layer, and then concrete is poured to the position of 120 degrees of a covering pipe. Although the construction mode only needs to perform one-time pouring construction, because the types of the finished cushion layers are different, the finished cushion layers have different thicknesses and supporting heights, the design elevation of the drainage pipelines of different construction sections of the same project is not necessarily the same, and the types of the finished cushion layers need to be frequently adjusted during construction so as to obtain the required supporting heights, and the process definitely brings adverse effects to the improvement of the construction efficiency. If can provide a prefabricated cushion of adjustable supporting height to be applicable to the drainage pipe of different design elevations, will very big improvement drainage pipe's efficiency of construction.
Disclosure of Invention
To the problem among the above-mentioned prior art, this application provides a precast cushion of drain pipe concrete to solve the finished product bed course of current support drainage pipe, the adaptation degree is poor, can't be according to the nimble adjustment supporting height's of drainage pipe's design elevation problem.
The utility model provides a drain pipe concrete precast cushion block, which comprises two precast concrete blocks and a connecting rod; the two precast concrete blocks are horizontally and transversely arranged, the opposite sides of the two precast concrete blocks are respectively provided with a supporting inclined plane, and the supporting inclined planes of the two precast concrete blocks form a V-shaped supporting surface for supporting the drain pipe in space; the connecting rod is horizontally arranged, two precast concrete blocks are respectively connected to two ends of the connecting rod, and at least one precast concrete block is movably matched with the other precast concrete block along the length direction of the connecting rod so as to be close to or far away from the other precast concrete block.
Further, two ends of the connecting rod are movably connected with two precast concrete blocks along the length direction of the connecting rod respectively.
Further, the two ends of the connecting rod are respectively provided with an external thread section, the opposite sides of the two precast concrete blocks are respectively provided with an internal thread hole, and the external thread section is matched with the internal thread hole.
Further, the connecting rod is a stud.
Further, two opposite sides of the precast concrete block are respectively fixedly provided with a sleeve, the sleeves are provided with internal threaded holes, two ends of the connecting rod are respectively provided with external thread sections, and the external thread sections are matched with the internal threaded holes.
Further, the connecting rod comprises a sleeve, a first rod body and a second rod body which are respectively in rotary fit with the two ends of the sleeve; the first body of rod is kept away from sheathed tube one end and is provided with the external screw thread section that is used for with the internal sleeve complex of one precast concrete piece, the second body of rod is kept away from sheathed tube one end and is provided with the external screw thread section that is used for with the internal sleeve complex of another precast concrete piece.
Further, the sleeve is located below the support ramp.
Further, the connecting rods are multiple, and the connecting rods are distributed at intervals along the horizontal radial direction.
Further, the upper end face of the connecting rod is lower than the lower edge of the supporting inclined plane.
Further, the bottom of the precast concrete block is provided with anti-skid patterns.
The beneficial effects of the utility model are as follows: the V-shaped supporting surface is formed in space through the supporting inclined surfaces of the two precast concrete blocks, the drain pipe can be effectively supported, at least one precast concrete block can move along the length direction of the connecting rod between the two precast concrete blocks, the two precast concrete blocks are close to or far away from each other, the distance adjustment of the two supporting inclined surfaces of the V-shaped supporting surface is realized, the support of the drain pipe with different diameters is realized, the two supporting inclined surfaces are close to or far away from each other for the same drain pipe, the heights of the contact surfaces of the drain pipe and the supporting inclined surfaces are different, and therefore the support height of the drain pipe is adjusted. And because two precast concrete blocks are connected through the connecting rod, the stability of the V-shaped supporting surface is guaranteed, and the supporting effect is good.
Drawings
Fig. 1 is a schematic cross-sectional front view of one embodiment of a precast spacer for drain pipe of the present utility model.
Fig. 2 is a schematic perspective view of a precast concrete segment of fig. 1.
Fig. 3 is a schematic view of another embodiment of the precast concrete spacer for a drain pipe according to the present utility model.
Fig. 4 is a schematic view of a construction of a further embodiment of the precast spacer for a drain pipe according to the present utility model.
In the figure, 1-precast concrete mass; 2-connecting rods; 3-supporting inclined planes; a 4-V-shaped support surface; 5-sleeve; 6-an internal threaded hole; 7-an external thread section; 8-a sleeve; 9-a first rod body; 10-a second rod body; 11-drain pipe.
Detailed Description
The utility model is described in further detail below with reference to the drawings and specific examples.
Example 1
As shown in fig. 1 and 2, the drain pipe concrete precast cushion block comprises two precast concrete blocks 1 and a connecting rod 2; the two precast concrete blocks 1 are horizontally and transversely arranged, the opposite sides of the precast concrete blocks are respectively provided with a supporting inclined plane 3, and the supporting inclined planes 3 of the two precast concrete blocks 1 form a V-shaped supporting surface 4 for supporting a drain pipe 11 in space; the connecting rod 2 is horizontally arranged, two precast concrete blocks 1 are respectively connected to two ends of the connecting rod 2, and at least one precast concrete block 1 is movably matched along the length direction of the connecting rod 2 so as to be close to or far away from the other precast concrete block 1. For example, one of the precast concrete segments 1 is fixedly connected with the connecting rod 2, the other precast concrete segment 1 is movably connected with the connecting rod 2, and the movably connected precast concrete segment 1 can be close to or far away from the other precast concrete segment 1 along the length direction of the movable rod, so that the distance adjustment of the two supporting inclined planes 3 of the V-shaped supporting surface 4 is realized.
When the distance between the two support slopes 3 increases, the support slope is suitable for supporting the drain pipe 11 with a larger diameter in the case of constant support height, or the support slope for the drain pipe 11 is increased in the case of constant diameter of the drain pipe 11.
When the distance between the two support inclined planes 3 is reduced, the support inclined planes are suitable for supporting the drain pipe 11 with reduced diameter under the condition of unchanged support height; or in the case that the diameter of the drain pipe 11 is not changed, the support height of the drain pipe 11 is reduced.
Of course, the bottom of the drain pipe 11 may also be supported by the connecting rod 2, but this is not essential.
In this embodiment, two ends of the connecting rod 2 are movably connected with two precast concrete segments 1 along the length direction of the connecting rod 2.
The number of the connecting rods 2 is two, and the two connecting rods 2 are distributed at intervals along the horizontal radial direction. The number of connecting rods 2 may be greater, all distributed at intervals along the horizontal radial direction, which is also the length direction of the drain pipe 11. The length direction of the connecting rod 2 is the distribution direction of the two precast concrete segments 1, and the length direction of the connecting rod 2 is also the horizontal radial direction of the drain pipe 11, so when the two precast concrete segments 1 support the drain pipe 11, the two precast concrete segments 1 are distributed on both sides of the drain pipe 11.
Sleeves 5 are fixedly arranged on the opposite sides of the two precast concrete units 1 respectively, and the sleeves 5 are located below the supporting inclined planes 3. The sleeve 5 is provided with an internal threaded hole 6, two ends of the connecting rod 2 are respectively provided with an external threaded section 7, and the external threaded section 7 is matched with the internal threaded hole 6. The screw direction of the male screw sections 7 at both ends of the connecting rod 2 is opposite, and the screw direction of the female screw holes 6 of the sleeves 5 of the two precast concrete segments 1 is the same, so that the two precast concrete segments 1 come close to or get away from each other when the supporting rod rotates.
The connecting rod 2 is preferably a stud.
The upper end surface of the connecting rod 2 is lower than the lower edge of the supporting inclined plane 3.
As shown in fig. 2, the precast concrete segments 1 are in fact wedge-shaped segments, the edges of which, where the top and side faces meet, are provided with chamfers, which can be regarded as support chamfers 3 of the precast concrete segments 1.
After two precast concrete segments 1 support drain pipe 11, precast concrete segment 1 receives drain pipe 11's pressure, and connecting rod 2 is to the drawknot effect of two precast concrete segments 1, can prevent that two precast concrete segments 1 from keeping away from each other. In order to further play a role in skid resistance, the bottom of the precast concrete segment 1 is provided with skid resistance. The bottom of the precast concrete segments 1 is in contact with the foundation.
In this embodiment, the precast concrete segment 1 has a height of 200mm, a width of 300mm and a length of 200mm. The length of the connecting rod 2 is 500mm and its diameter is 20mm.
When the drain pipe 11 is constructed by utilizing the drain pipe concrete prefabricated cushion block of the embodiment, two prefabricated concrete blocks 1 are firstly distributed on two sides of the drain pipe 11 to be constructed, the two prefabricated concrete blocks 1 are connected by using the connecting rod 2, the connecting rod 2 is rotated, and the distance between the two prefabricated concrete blocks 1 is adjusted. Placing the drain pipe 11 between the two precast concrete blocks 1, supporting the drain pipe 11 by the supporting inclined planes 3 of the two precast concrete blocks 1, further rotating the connecting rod 2, adjusting the distance between the two supporting inclined planes 3, and adjusting the supporting height to enable the drain pipe 11 to be at a designed elevation. And casting concrete to the 120-degree position of the ladle pipe.
Example 2
As shown in fig. 3, the structure of the precast concrete spacer for drain pipe is substantially the same as that of the above-mentioned embodiment 1, except that the two ends of the connecting rod 2 are respectively provided with external screw thread segments 7, the opposite sides of the two precast concrete units 1 are respectively provided with internal screw thread holes 6, and the external screw thread segments 7 are matched with the internal screw thread holes 6. The internal threaded hole 6 can horizontally penetrate through the precast concrete segments 1, and two ends of the connecting rod 2 can respectively penetrate through the two precast concrete segments 1. The distance between the two precast concrete blocks 1 can be adjusted by rotating the connecting rod 2 on the back side and the opposite side of the two precast concrete blocks 1, and the operation is more convenient. It should be noted that, in the process of rotating the connecting rod 2, a certain lateral pushing force or pulling force is also required to be applied to the precast concrete segments 1, so as to achieve that the two precast concrete segments 1 approach or depart.
Example 3
As shown in fig. 4, the structure of the precast concrete spacer for drain pipe is substantially the same as that of the above-mentioned embodiment 1, except that the connecting rod 2 includes a sleeve 8 and a first rod body 9 and a second rod body 10 rotatably fitted to both ends of the sleeve 8, respectively; the first rod body 9 is provided with the external screw thread section 7 that is used for with sleeve 5 complex in one precast concrete piece 1 far away from sleeve 8's one end, the second rod body 10 is provided with the external screw thread section 7 that is used for with sleeve 5 complex in another precast concrete piece 1 far away from sleeve 8's one end.
The first rod body 9 and the second rod body 10 are relatively independent in rotation, the first rod body 9 rotates to adjust the distance between the precast concrete segment 1 connected with the first rod body and the sleeve 8, and the second rod body 10 rotates to adjust the distance between the precast concrete segment 1 connected with the second rod body and the sleeve 8.
The two ends of the sleeve 8 are respectively provided with a first bearing and a second bearing, and one end of the first rod body 9 is in running fit with the sleeve 8 through the first bearing, so that axial displacement does not exist when the first rod body 9 and the sleeve 8 relatively rotate. Similarly, one end of the second rod body 10 is in running fit with the sleeve 8 through the second bearing, and no axial displacement exists when the second rod body 10 and the sleeve 8 relatively rotate.
In order to reduce the cost, the first bearing and the second bearing may be replaced by annular grooves and annular convex structures, and two ends of the inner wall of the sleeve 8 are respectively provided with concentric annular grooves which are concave in radial direction. One end of the first rod body 9 and the second rod body 10, which are in running fit with the sleeve 8, is provided with a radially outwards convex annular protrusion. The annular bulge is embedded in the annular groove, so that the first rod body 9 and the second rod body 10 can rotate relative to the sleeve 8, but the displacement in the axial direction is limited, and the approach or the separation of the two precast concrete units 1 is realized.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be comprehended by those skilled in the art and are intended to be within the scope of the utility model.
Claims (10)
1. The precast concrete cushion block for the drain pipe is characterized by comprising two precast concrete blocks and a connecting rod; the two precast concrete blocks are horizontally and transversely arranged, the opposite sides of the two precast concrete blocks are respectively provided with a supporting inclined plane, and the supporting inclined planes of the two precast concrete blocks form a V-shaped supporting surface for supporting the drain pipe in space; the connecting rod is horizontally arranged, two precast concrete blocks are respectively connected to two ends of the connecting rod, and at least one precast concrete block is movably matched with the other precast concrete block along the length direction of the connecting rod so as to be close to or far away from the other precast concrete block.
2. The precast concrete spacer for a drain pipe according to claim 1, wherein both ends of the connecting rod are movably connected with two precast concrete blocks along a length direction of the connecting rod, respectively.
3. The precast concrete spacer for a drain pipe according to claim 2, wherein the two ends of the connecting rod are respectively provided with external screw thread segments, opposite sides of the two precast concrete blocks are respectively provided with internal screw thread holes, and the external screw thread segments are matched with the internal screw thread holes.
4. A precast spacer for drain pipe concrete according to claim 3, wherein the connecting rod is a stud.
5. A prefabricated concrete spacer for a drain pipe according to claim 2, wherein two of the prefabricated concrete blocks are fixedly provided with sleeves on opposite sides thereof, the sleeves are provided with internally threaded holes, and the two ends of the connecting rod are provided with externally threaded sections respectively, the externally threaded sections being engaged with the internally threaded holes.
6. The precast concrete spacer for a drain pipe according to claim 5, wherein the connecting rod comprises a sleeve, and a first rod body and a second rod body respectively rotatably fitted at both ends of the sleeve; the first body of rod is kept away from sheathed tube one end and is provided with the external screw thread section that is used for with the internal sleeve complex of one precast concrete piece, the second body of rod is kept away from sheathed tube one end and is provided with the external screw thread section that is used for with the internal sleeve complex of another precast concrete piece.
7. A drain pipe concrete prefabricated spacer according to claim 5, wherein said sleeve is located below said support ramp.
8. A precast spacer for drain pipe concrete according to claim 1, wherein the plurality of connecting rods are arranged in a plurality of connecting rods which are spaced apart along the horizontal radial direction thereof.
9. A precast spacer for drain pipe concrete according to claim 1, wherein the upper end surface of the connecting rod is lower than the lower edge of the supporting inclined surface.
10. A prefabricated concrete spacer for a drain pipe according to claim 1, wherein the bottom of the prefabricated concrete block is provided with anti-slip patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321412441.3U CN220202891U (en) | 2023-06-05 | 2023-06-05 | Precast concrete cushion block for drain pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321412441.3U CN220202891U (en) | 2023-06-05 | 2023-06-05 | Precast concrete cushion block for drain pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220202891U true CN220202891U (en) | 2023-12-19 |
Family
ID=89148760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321412441.3U Active CN220202891U (en) | 2023-06-05 | 2023-06-05 | Precast concrete cushion block for drain pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220202891U (en) |
-
2023
- 2023-06-05 CN CN202321412441.3U patent/CN220202891U/en active Active
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