CN210066540U - Telescopic protection device for glass fiber reinforced plastic sand inclusion pipe culvert - Google Patents
Telescopic protection device for glass fiber reinforced plastic sand inclusion pipe culvert Download PDFInfo
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- CN210066540U CN210066540U CN201920722042.4U CN201920722042U CN210066540U CN 210066540 U CN210066540 U CN 210066540U CN 201920722042 U CN201920722042 U CN 201920722042U CN 210066540 U CN210066540 U CN 210066540U
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Abstract
The utility model discloses a retractable protection device for a glass fiber reinforced plastic sand inclusion pipe culvert, which comprises a support arc, support steel bars, a circular threaded screw post, a nut, a support bar steel plate, a support bar and connecting steel; supporting rod steel plates are fixed at both ends of the supporting rod; one end of the round threaded screw column is in threaded connection with the threaded through hole of the support rod steel plate; the nut is in threaded connection with the outer side of the round threaded screw column and is in contact with the support rod steel plate; two sides of the connecting steel are respectively and fixedly connected with the other end of the round threaded screw column and the supporting arc; the two sides of the round threaded screw column are respectively fixed with one end of a supporting steel bar, and the other end of the supporting steel bar is fixed on the supporting arc. The circular thread screw column, the connecting steel, the supporting arc and the supporting steel bar are connected into a whole. For the glass fiber reinforced plastic sand inclusion pipes with different diameters, the construction requirements can be met by replacing the whole body with different sizes and adjusting the positions of the circular threaded screw columns on the supporting rods.
Description
Technical Field
The utility model relates to a protection device in the buried glass steel sandpipe culvert backfill construction process specifically is a retractable protection device for glass steel sandpipe culvert.
Background
The glass fiber reinforced plastic sand inclusion pipe is a novel flexible non-metal composite material which is prepared by taking resin as a base material, glass fiber and products thereof as reinforcing materials and quartz sand as a filling material. The novel pipeline of the glass fiber reinforced plastic sand inclusion pipe is widely popularized, the national policy of energy conservation and environmental protection is met, and the comprehensive economic benefits of engineering economy, technology and the like can be improved.
At present, the glass fiber reinforced plastic sand inclusion pipe is mainly applied to the field of municipal water supply and drainage, but is less applied to a highway culvert, the construction quality requirement is high, and the glass fiber reinforced plastic sand inclusion pipe bears traffic load in a service period. The following problems mainly exist in the construction and service period: 1. during construction, soil is filled from the pipe bottom foundation to the position below the pipe top, and the glass fiber reinforced plastic sand inclusion pipe resists the soil pressure generated by roadbed soil. 2. The compaction degree of the backfill soil meets the corresponding standard requirement, so that large mechanical equipment such as a road roller and the like is required to be used for compaction, and the glass fiber reinforced plastic sand inclusion pipe is required to bear the additional load and vibration of the road roller without deformation and buckling damage. 3. In the service period, under the state of shallow earthing, the deformation of a pipe culvert can be caused by the load of a ground heavy engineering transport vehicle, the supplementary compaction of a roadbed and the post-construction settlement.
Based on the main problems of the glass fiber reinforced plastic sand inclusion pipe in the construction and service period, the design of the protection device of the glass fiber reinforced plastic sand inclusion pipe is particularly important.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a retractable protection device for a glass fiber reinforced plastic sand inclusion pipe culvert, which is not enough in the prior art.
The technical scheme of the utility model for solving the technical problems is to provide a telescopic protection device for a glass fiber reinforced plastic sand inclusion pipe culvert, which is characterized in that the device comprises a support arc, support steel bars, a circular thread screw post, a nut, a support bar steel plate, a support bar and connecting steel;
supporting rod steel plates are fixed at two ends of the supporting rod; a threaded through hole is formed in the center of the support rod steel plate, and one end of the round threaded screw column is in threaded connection with the threaded through hole of the support rod steel plate; the nut is in threaded connection with the outer side of the round threaded screw column and is in contact with the support rod steel plate; two sides of the connecting steel are respectively and fixedly connected with the other end of the round threaded screw column and the supporting arc; the two sides of the round threaded screw column are respectively fixed with one end of a supporting steel bar, and the other end of the supporting steel bar is fixed on the supporting arc.
Compared with the prior art, the utility model discloses beneficial effect lies in:
(1) the support rod is movably connected with the round thread screw column. The circular threaded screw column, the connecting steel, the supporting arc and the supporting steel bar are connected into a whole by welding. To the glass steel sand inclusion pipe of different diameter sizes, can satisfy the construction requirement through this whole of the not unidimensional of change and the position of adjustment circular screw thread post on the bracing piece, have more extensive suitability.
(2) Through the fastening degree between the circular screw thread post of nut adjustment and the bracing piece steel sheet for whole device has great flexible scope, thereby guarantees whole device at the intraductal flexible and the expansion of sand inclusion, and the nut makes the installation of whole device more convenient.
(3) The device simple manufacture technology, low cost, simple to operate, easy dismouting is quick detachable, can be suitable for the diameter and be glass steel sand inclusion pipes such as 1m, 1.5m, 2m, changes the unable road roller that can only rely on artifical compaction's traditional technology of using in the 1 meter within range of crown of pipe, is showing and is reducing engineering cost, further accelerates the engineering construction progress, guarantees crown of pipe compaction quality, has better economic benefits.
(4) Glass steel sandpipe belongs to flexible pipeline, and this device setting is inside in order to support whole glass steel sandpipe at glass steel sandpipe, ensures in the work progress and in subsequent service period, and glass steel sandpipe does not take place to warp or produces small deformation when can undertake road roller extra load and roadbed soil load to the protection glass steel sandpipe avoids bucking to destroy. And the device is cancelled after the subgrade is settled stably, so that the construction quality of filling soil around and above the glass fiber reinforced plastic sand inclusion pipeline is ensured, and the operation is safer.
Drawings
Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention. In the figure: 1. supporting the arc; 2. supporting the reinforcing steel bars; 3. a circular threaded post; 4. a nut; 5. a support bar steel plate; 6. a support bar; 7. and (5) connecting steel.
Detailed Description
Specific embodiments of the present invention are given below. The specific embodiments are only used for further elaboration of the invention, and do not limit the scope of protection of the claims of the present application.
The utility model provides a telescopic protection device (refer to the device in figure 1 for short) for a glass fiber reinforced plastic sand inclusion pipe culvert, which is characterized in that the device comprises a support arc 1, a support steel bar 2, a circular thread screw column 3, a nut 4, a support rod steel plate 5, a support rod 6 and connecting steel 7;
the support rod 6 is hollow, and support rod steel plates 5 are welded and fixed at two ends of the support rod 6; a threaded through hole is formed in the center of the support rod steel plate 5, and one end of the round threaded screw column 3 is inserted into the threaded through hole of the support rod steel plate 5 and is in threaded connection with the threaded through hole of the support rod steel plate 5; the nut 4 is in threaded connection with the outer side of the round threaded screw column 3 and is in contact with the support rod steel plate 5 to bear the force transmitted by the round threaded screw column 3 together; two sides of the connecting steel 7 are respectively fixedly connected with the other end of the circular threaded screw column 3 and the inner side of the supporting arc 1 in a welding manner, and the connecting steel is used for increasing the stress area of the supporting arc 1 and reducing the pressure on the supporting arc 1; two sides of the round threaded screw column 3 are respectively welded and fixed with one end of a supporting steel bar 2, and the other end of the supporting steel bar 2 is welded and fixed on the inner side of the supporting arc 1; the included angle of two support bars 2 and circular screw thread post 3 is 75 to increase the stability of supporting circular arc 1 and circular screw thread post 3.
The utility model discloses a theory of operation and work flow are: firstly, loosen the nut 4 to the position close to the welding of the circular thread screw column 3 and the support steel bar 2, then rotate the support circular arc 1 to make the height of the whole device slightly smaller than the inner diameter of the glass fiber reinforced plastic sand inclusion pipe, then put into the glass fiber reinforced plastic sand inclusion pipe, adjust the position of the circular thread screw column 3 on the support rod 6, then screw up the nut 4, make the support circular arc 1 cling to the inner wall of the glass fiber reinforced plastic sand inclusion pipe, and have certain supporting force.
One device is arranged in the glass fiber reinforced plastic sand inclusion pipe at intervals for supporting, the distance between every two adjacent devices is less than 1 meter, and two devices are always arranged in the range of the axle distance of the engineering transport vehicle and the length of the roller of the vibratory roller; and finally, covering soil on the top of the glass fiber reinforced plastic sand inclusion pipe, and withdrawing the device from the glass fiber reinforced plastic sand inclusion pipe after the vehicle is started.
Example 1
In the embodiment, the supporting arc 1 is formed by processing a galvanized steel strip pipe through a symmetrical three-roller profile cold-drawing rounding machine (which is the prior art), the inner surface and the outer surface of the supporting arc 1 are rolled into a groove with the depth of 1cm through a single roller (which is the prior art), and the arc length is 80 cm; the circular arc cross section is a rectangular cross section, the length of the cross section is 55cm, the width of the cross section is 38mm, and the thickness of the cross section is 2 mm. The supporting arc 1 is made of cold rolled steel.
The support steel bar 2 is made of three-level deformed steel bar of HR circular threaded screw column 3400, the diameter is 20mm, and the length is 22.5 cm.
The diameter of the round threaded screw column 3 is 22cm and the length is 30 cm.
The inner diameter of the nut 4 is 27 mm.
The support rod steel plate 5 is 8cm long, 6cm wide and 2cm thick, and the diameter of the central opening is 22 mm.
The support rod 6 is made of square steel and is 62cm long; the section is rectangular, the length is 55mm, the width is 38mm, and the thickness is 2 mm;
the connecting steel 7 can be HR circular threaded screw column 3400 three-level threaded steel with the diameter of 25mm and the length of 55 mm; or a threaded steel plate.
The diameter of the glass fiber reinforced plastic sand inclusion pipe suitable for installation in the embodiment is 1.5 m. The device of the embodiment is used for all glass fiber reinforced plastic sand inclusion pipe culverts in engineering projects from long line checkerboard mountain to Seahan dam overhaul in Chengdu, Hebei province. The device is adopted in the construction stage of the culvert, one device is arranged in the pipeline every 1m, soil is filled on two sides of the pipeline to the horizontal position of the pipeline, and then the soil is continuously filled. After the pipe side is filled with soil, the pipe top is filled with soil layer by layer and rolled by a large road roller in a vibration state, construction quality control and compactness detection are carried out according to relevant requirements, and the device is dismantled after the construction is completed for one week.
The utility model discloses the nothing is mentioned the part and is applicable to prior art.
Claims (3)
1. A telescopic protection device for a glass fiber reinforced plastic sand inclusion pipe culvert is characterized by comprising a support arc, support steel bars, a circular threaded screw column, a nut, a support rod steel plate, a support rod and connecting steel;
supporting rod steel plates are fixed at two ends of the supporting rod; a threaded through hole is formed in the center of the support rod steel plate, and one end of the round threaded screw column is in threaded connection with the threaded through hole of the support rod steel plate; the nut is in threaded connection with the outer side of the round threaded screw column and is in contact with the support rod steel plate; two sides of the connecting steel are respectively and fixedly connected with the other end of the round threaded screw column and the supporting arc; the two sides of the round threaded screw column are respectively fixed with one end of a supporting steel bar, and the other end of the supporting steel bar is fixed on the supporting arc.
2. The telescopic protection device for a glass fiber reinforced plastic mortar pipe culvert according to claim 1, characterized in that the support rods are hollow.
3. The retractable protection device for a glass fiber reinforced plastic mortar pipe culvert according to claim 1, characterized in that the included angles between the two supporting steel bars and the round threaded screw column are both 75 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722042.4U CN210066540U (en) | 2019-05-20 | 2019-05-20 | Telescopic protection device for glass fiber reinforced plastic sand inclusion pipe culvert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722042.4U CN210066540U (en) | 2019-05-20 | 2019-05-20 | Telescopic protection device for glass fiber reinforced plastic sand inclusion pipe culvert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210066540U true CN210066540U (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920722042.4U Active CN210066540U (en) | 2019-05-20 | 2019-05-20 | Telescopic protection device for glass fiber reinforced plastic sand inclusion pipe culvert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210066540U (en) |
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2019
- 2019-05-20 CN CN201920722042.4U patent/CN210066540U/en active Active
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