CN214363461U - Hole guiding device for foundation steel pipe pile of large-span gantry crane - Google Patents
Hole guiding device for foundation steel pipe pile of large-span gantry crane Download PDFInfo
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- CN214363461U CN214363461U CN202022727124.3U CN202022727124U CN214363461U CN 214363461 U CN214363461 U CN 214363461U CN 202022727124 U CN202022727124 U CN 202022727124U CN 214363461 U CN214363461 U CN 214363461U
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Abstract
The utility model discloses a large-span portal crane basis steel-pipe pile draws hole device, including drawing the hole pipe, the drawing hole pipe includes a plurality of drawing the hole pipeline section, the detachable butt joint of all drawing the hole pipeline section, the tube head end of drawing the hole pipe is equipped with a plurality of cutting piece, and all cutting pieces are along drawing hole pipe circumference equipartition, and cutting piece blade extension line arranges for drawing hole pipe center skew, the pipe tail end of drawing the hole pipe is equipped with the adapter sleeve and supports the cover, the adapter sleeve is located draw the outer wall of hole pipe, support the cover is located draw the inner wall of hole pipe, radially be equipped with the bracing piece in the support cover. The utility model provides a draw hole device and insert before beating at the steel-pipe pile and carry out the draw hole, make things convenient for inserting of follow-up steel-pipe pile to beat, reduce the steel-pipe pile and insert and beat the degree of difficulty, improve the efficiency of construction.
Description
Technical Field
The utility model relates to a steel-pipe pile construction technical field, concretely relates to large-span portal crane basis steel-pipe pile draws hole device.
Background
The gantry crane is commonly used in bridge construction, a gantry crane with the span of 72 meters is required in certain bridge construction, an temporary trestle needs to be built as a gantry crane foundation, the lower structure of the temporary trestle comprises a bridge abutment, a pier and a steel pipe pile foundation, and the upper structure adopts a steel box girder. The bridge pier is a steel pipe support, and the bridge abutment is a vertical bridge abutment and is of a reinforced concrete structure. When the foundation steel pipe pile is constructed, because the stratum lithology at the bridge position is pebble soil, strong-medium mineralized argillaceous sandstone, mudstone and the like, the construction difficulty of the steel pipe pile is higher by adopting conventional hammering or vibration inserting driving, and the construction efficiency of the steel pipe pile is lower.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at: to the stratum characteristic that the bridge was located, it is great to adopt conventional hammering or vibration to insert the steel-pipe pile construction degree of difficulty of beating, the lower problem of steel-pipe pile efficiency of construction, provides a longspan portal crane basis steel-pipe pile draw hole device, and the device can insert before beating at the steel-pipe pile and carry out the draw hole, makes things convenient for inserting of follow-up steel-pipe pile to beat, has reduced the steel-pipe pile construction degree of difficulty, improves the efficiency of construction.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a large-span portal crane basis steel-pipe pile hole guiding device, includes the hole guiding pipe, the hole guiding pipe includes a plurality of hole guiding pipe section, the detachable butt joint of all hole guiding pipe sections, the tube head end of hole guiding pipe is equipped with a plurality of cutting piece, and all cutting pieces are along hole guiding pipe circumference equipartition, and cutting piece blade extension line arranges for hole guiding pipe center skew, the pipe tail end of hole guiding pipe is equipped with the adapter sleeve and supports the cover, the adapter sleeve is located the outer wall of hole guiding pipe, the support cover is located the inner wall of hole guiding pipe, radially be equipped with the bracing piece in the support sleeve.
The utility model provides a leading hole pipe is formed by the detachable butt joint of a plurality of leading hole pipeline section, be convenient for connect long according to the leading hole degree of depth, through be equipped with a plurality of cutting piece at the tube head end of leading hole pipe, all cutting pieces along leading hole pipe circumference equipartition, lead hole pipe tail end through pounding or vibration when leading the hole, can make the cutting piece cut up the cobble below, or link rotary equipment and leading hole pipe tail end through the adapter sleeve, make leading hole pipe gyration utilize the cutting piece to cut the basement rock, because the cutting piece blade extension line is arranged for leading hole pipe center skew, be favorable to the cutting piece rotation to scrape away the detritus, avoid the detritus to pile up in cutting piece department, through set up the support cover at the inner wall of leading hole pipe, and along radial bracing piece in the support cover, can avoid when pounding or vibrating leading hole pipe tail end, leading hole pipe tail end takes place great deformation; the device draws the hole before the steel-pipe pile is inserted and beaten, makes things convenient for inserting of follow-up steel-pipe pile to beat, reduces the steel-pipe pile and inserts and beat the degree of difficulty, improves the efficiency of construction.
As the utility model discloses an optimal scheme, be equipped with a plurality of recesses on the outer wall of draw hole pipe, every be equipped with the medium pipe in the recess, the export direction orientation cutting piece position department of medium pipe. Therefore, when the hole leading is carried out, high-pressure water or high-pressure gas can be provided to the position nearby the position of the cutting piece through the medium pipe, and the hole leading efficiency is further improved.
As a preferred embodiment of the present invention, a spiral liquid containing groove is provided on the inner wall of the hole guiding pipe. Through the arrangement of the liquid containing groove, a friction reducing agent is conveniently injected between the inner wall of the hole guiding pipe and the soil body, so that the friction between the inner wall of the hole guiding pipe and the soil body is reduced, and the hole guiding efficiency is improved.
As the utility model discloses an optimal scheme, the tube head end of leading hole pipe still is equipped with the beaded finish, the outer wall of leading hole pipe is located to the beaded finish, surpass one section looks butt of leading hole pipe outer wall on the lower extreme of beaded finish and the cutting piece. So, can strengthen being connected of cutting disc and leading hole pipe through the beaded finish, cutting disc drops from leading hole pipe front end when avoiding leading the hole, can also avoid simultaneously leading one section of hole nose to adopt the whole thickening design of pipe wall to reduce the overall cost of structure.
As the utility model discloses an optimal scheme, the one side of keeping away from the cutting piece on the beaded finish is equipped with the inclined plane of falling to resistance when reducing the leading hole pipe and getting into and withdraw from the soil body.
As the utility model discloses an optimal scheme, evenly be equipped with a plurality of connecting hole on the link sleeve, link to each other convenient dismounting with rotary equipment and leading hole pipe tail end through the connecting hole.
As the preferred scheme of the utility model, the bracing piece is the cross bracing piece.
As the utility model discloses an optimal scheme, be equipped with a plurality of stiffening plate between the lower terminal surface of adapter sleeve and the lead hole pipe outer wall, it is used for being connected the enhancement to adapter sleeve and lead hole pipe.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model provides a leading hole pipe is formed by the detachable butt joint of a plurality of leading hole pipeline section, be convenient for connect long according to the leading hole degree of depth, through be equipped with a plurality of cutting piece at the tube head end of leading hole pipe, all cutting pieces along leading hole pipe circumference equipartition, lead hole pipe tail end through pounding or vibration when leading the hole, can make the cutting piece cut up the cobble below, or link rotary equipment and leading hole pipe tail end through the adapter sleeve, make leading hole pipe gyration utilize the cutting piece to cut the basement rock, because the cutting piece blade extension line is arranged for leading hole pipe center skew, be favorable to the cutting piece rotation to scrape away the detritus, avoid the detritus to pile up in cutting piece department, through set up the support cover at the inner wall of leading hole pipe, and along radial bracing piece in the support cover, can avoid when pounding or vibrating leading hole pipe tail end, leading hole pipe tail end takes place great deformation; the device draws the hole before the steel-pipe pile is inserted and beaten, makes things convenient for inserting of follow-up steel-pipe pile to beat, reduces the steel-pipe pile and inserts and beat the degree of difficulty, improves the efficiency of construction.
Drawings
Fig. 1 is the utility model provides a large-span portal crane basis steel-pipe pile draws hole device schematic diagram.
Fig. 2 is a schematic view of the tip end of the perforation tube in fig. 1.
Fig. 3 is a schematic view of the end of the down-hole pipe of fig. 1.
The labels in the figure are: 1-leading hole pipe, 11-groove, 2-cutting piece, 3-connecting sleeve, 31-connecting hole, 4-supporting sleeve, 5-supporting rod, 6-medium pipe, 7-liquid containing groove, 8-reinforcing ring and 9-stiffening plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Examples
The embodiment provides a hole guiding device for a foundation steel pipe pile of a large-span gantry crane;
as shown in fig. 1-3, the hole guiding device for a foundation steel pipe pile of a large-span gantry crane in this embodiment includes a hole guiding pipe 1, where the hole guiding pipe 1 includes a plurality of hole guiding pipe segments, all the hole guiding pipe segments are detachably connected in a butt joint, a pipe head end of the hole guiding pipe 1 is provided with a plurality of cutting blades 2, all the cutting blades 2 are uniformly distributed along the circumference of the hole guiding pipe 1, the extension lines of the cutting edges of the cutting blades 2 are arranged in a manner of offsetting with respect to the center of the hole guiding pipe 1, a connecting sleeve 3 and a supporting sleeve 4 are arranged at a pipe tail end of the hole guiding pipe 1, the connecting sleeve 3 is arranged on an outer wall of the hole guiding pipe 1, the supporting sleeve 4 is arranged on an inner wall of the hole guiding pipe 1, and a supporting rod 5 is arranged in the supporting sleeve 4 along a radial direction.
The utility model provides a leading hole pipe is formed by the detachable butt joint of a plurality of leading hole pipeline section, be convenient for connect long according to the leading hole degree of depth, through be equipped with a plurality of cutting piece at the tube head end of leading hole pipe, all cutting pieces along leading hole pipe circumference equipartition, lead hole pipe tail end through pounding or vibration when leading the hole, can make the cutting piece cut up the cobble below, or link rotary equipment and leading hole pipe tail end through the adapter sleeve, make leading hole pipe gyration utilize the cutting piece to cut the basement rock, because the cutting piece blade extension line is arranged for leading hole pipe center skew, be favorable to the cutting piece rotation to scrape away the detritus, avoid the detritus to pile up in cutting piece department, through set up the support cover at the inner wall of leading hole pipe, and along radial bracing piece in the support cover, can avoid when pounding or vibrating leading hole pipe tail end, leading hole pipe tail end takes place great deformation; the device draws the hole before the steel-pipe pile is inserted and beaten, makes things convenient for inserting of follow-up steel-pipe pile to beat, reduces the steel-pipe pile and inserts and beat the degree of difficulty, improves the efficiency of construction.
In this embodiment, the flange plate is arranged at the butt joint end of the adjacent hole guiding pipe sections, and the adjacent hole guiding pipe sections form a detachable connection mode through the flange plate and the high-strength bolt. In order to smoothly realize the hole leading, the radial dimension formed by the outermost edges of all the cutting blades 2 is slightly larger than the maximum circumferential dimension on the hole leading pipe 1, so that a gap is slightly formed between the hole leading formed by the cutting blades and the outer wall of the hole leading pipe, and the larger friction between the outer wall of the hole leading pipe and a soil body is avoided. In order to increase the service cycle of the cutting blade, the cutting blade 2 is preferably made of alloy materials, and has high strength and good wear resistance, so that the maintenance and replacement times of the cutting blade are reduced.
In this embodiment, be equipped with a plurality of recesses 11 on the outer wall of leading hole pipe 1, every recess 11 distributes between two adjacent cutting piece 2, every be equipped with medium pipe 6 in the recess 11, the export direction of medium pipe 6 is towards cutting piece 2 position department. Therefore, when the hole leading is carried out, high-pressure water or high-pressure gas can be provided to the position nearby the position of the cutting piece through the medium pipe, and the hole leading efficiency is further improved.
In this embodiment, a spiral liquid containing groove 7 is formed in the inner wall of the hole leading pipe 1, the liquid containing groove 7 is an arc-shaped groove, and the depth of the liquid containing groove 7 is 3-5 mm. Through the arrangement of the liquid containing groove, a friction reducing agent is conveniently injected between the inner wall of the hole guiding pipe and the soil body, so that the friction between the inner wall of the hole guiding pipe and the soil body is reduced, and the hole guiding efficiency is improved.
In this embodiment, the tube head end of leading hole pipe 1 still is equipped with beaded finish 8, beaded finish 8 welds in the outer wall of leading hole pipe 1, one section that surpasss the outer wall of leading hole pipe on beaded finish 8's the lower extreme and the cutting piece 2 welds mutually. So, can strengthen being connected of cutting disc and leading hole pipe through the beaded finish, cutting disc drops from leading hole pipe front end when avoiding leading the hole, can also avoid simultaneously leading one section of hole nose to adopt the whole thickening design of pipe wall to reduce the overall cost of structure.
In this embodiment, an inverted slope is disposed on one side of the reinforcing ring 8 away from the cutting blade to reduce resistance when the hole guiding pipe enters and exits the soil body.
In this embodiment, a plurality of connecting holes 31 are uniformly formed in the connecting sleeve 3, and the rotating device is connected with the tail end of the hole guiding pipe through the connecting holes, so that the connecting sleeve is convenient to disassemble and assemble.
In this embodiment, the support rod 5 is a cross-shaped support rod, and the support rod 5 is welded on the inner wall of the support sleeve 4. Of course, the support bar 5 may be a m-shaped support bar or other arrangement.
In this embodiment, a plurality of stiffening plates 9 are welded between the lower end surface of the connecting sleeve 3 and the outer wall of the hole guiding pipe 1, and all the stiffening plates 9 are uniformly distributed along the circumferential direction of the hole guiding pipe 1 and used for connecting and reinforcing the connecting sleeve and the hole guiding pipe.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the principles of the present invention should be included within the scope of the present invention.
Claims (8)
1. The utility model provides a large-span portal crane basis steel-pipe pile hole guiding device, its characterized in that, includes the hole guiding pipe, the hole guiding pipe includes a plurality of hole guiding pipe section, and all detachable butt joints of hole guiding pipe section, the tube head end of hole guiding pipe is equipped with a plurality of cutting piece, and all cutting pieces are along hole guiding pipe circumference equipartition, and cutting piece blade extension line arranges for hole guiding pipe center skew, the pipe tail end of hole guiding pipe is equipped with adapter sleeve and support cover, the adapter sleeve is located the outer wall of hole guiding pipe, the support cover is located the inner wall of hole guiding pipe, radially be equipped with the bracing piece in the support cover.
2. The large-span gantry crane foundation steel pipe pile hole guiding device as claimed in claim 1, wherein a plurality of grooves are formed in the outer wall of the hole guiding pipe, a medium pipe is arranged in each groove, and the outlet direction of each medium pipe faces to the position of the cutting piece.
3. The hole guiding device for the foundation steel pipe pile of the large-span gantry crane according to claim 2, wherein a spiral liquid containing groove is formed in the inner wall of the hole guiding pipe.
4. The hole guiding device for the foundation steel pipe pile of the large-span gantry crane according to any one of claims 1 to 3, wherein a reinforcing ring is further arranged at the end of the pipe head of the hole guiding pipe, the reinforcing ring is arranged on the outer wall of the hole guiding pipe, and the lower end of the reinforcing ring abuts against a section of the cutting plate, which exceeds the outer wall of the hole guiding pipe.
5. The hole guiding device for the foundation steel pipe pile of the large-span gantry crane according to claim 4, wherein an inverted bevel is arranged on one side of the reinforcing ring, which is far away from the cutting piece.
6. The hole guiding device for the foundation steel pipe pile of the large-span gantry crane according to any one of claims 1 to 3, wherein a plurality of connecting holes are uniformly formed in the connecting sleeve.
7. The hole guiding device for the foundation steel pipe pile of the large-span gantry crane according to any one of claims 1 to 3, wherein the supporting rod is a cross-shaped supporting rod.
8. The large-span gantry crane foundation steel pipe pile hole guiding device as claimed in one of claims 1 to 3, wherein a plurality of stiffening plates are arranged between the lower end surface of the connecting sleeve and the outer wall of the hole guiding pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022727124.3U CN214363461U (en) | 2020-11-23 | 2020-11-23 | Hole guiding device for foundation steel pipe pile of large-span gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022727124.3U CN214363461U (en) | 2020-11-23 | 2020-11-23 | Hole guiding device for foundation steel pipe pile of large-span gantry crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214363461U true CN214363461U (en) | 2021-10-08 |
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ID=77978165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022727124.3U Active CN214363461U (en) | 2020-11-23 | 2020-11-23 | Hole guiding device for foundation steel pipe pile of large-span gantry crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214363461U (en) |
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2020
- 2020-11-23 CN CN202022727124.3U patent/CN214363461U/en active Active
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