CN218437161U

CN218437161U - Sleeve spiral pile bearing platform

Info

Publication number: CN218437161U
Application number: CN202222727162.8U
Authority: CN
Inventors: 郝云鹤; 张维嘉; 卢高凯; 杜姝敏
Original assignee: Lanzhou Jiaotong University
Current assignee: Lanzhou Jiaotong University
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-02-03
Anticipated expiration: 2032-10-17

Abstract

The utility model provides a sleeve pipe spiral pile cushion cap belongs to transmission tower technical field, and it is big that it has solved the tangential frozen expansive force that current spiral pile received, leads to technical problem such as superstructure destruction. This sleeve pipe screw pile cushion cap, including cushion cap body and foundation pile, foundation pile's upper end is fixed with the ring flange, and the ring flange passes through bolt and this body coupling of cushion cap, and foundation pile's lower extreme is fixed with solid fixed cylinder, and the periphery of solid fixed cylinder is fixed with helical blade, and foundation pile's periphery activity cover is equipped with the sleeve pipe, and the sleeve pipe is located between solid fixed cylinder and the ring flange. The utility model has the advantages of reduce the tangential frost heaving force that the screw pile received, can effectively prevent to freeze and pull out the disease.

Description

Sleeve spiral pile bearing platform

Technical Field

The utility model belongs to the technical field of the transmission tower, a cushion cap, especially a sleeve pipe spiral pile cushion cap are related to.

Background

The frozen-drawn pile is a common engineering disease in cold region engineering, and tangential frozen expansive force acting on the side surface of the traditional spiral pile can cause the integral accumulated vertical displacement of the foundation. Under the action of multiple freeze-thaw cycles, if the freeze-drawing force is greater than the anchoring force at the lower part, the upward-drawing displacement of the foundation can be continuously accumulated along with the lapse of time until the integral destruction of the upper structure.

The screw pile foundation will suffer from uneven frost heaving damage in cold seasons, eventually leading to superstructure destruction. Under increasingly severe energy and environmental conditions, the world photovoltaic and power transmission industry enters a rapid growth period, and power generation and power transmission projects built in frozen soil areas suffer from uneven frost heaving diseases on the basis in cold seasons, and finally lead to damage of upper structures. In order to more effectively prevent and control the frozen-pulling diseases of the spiral pile foundation and avoid economic loss, the improved spiral pile form is a method which is more effective in frozen area and saves resources.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a there is above-mentioned problem to current technique, has proposed a sleeve pipe spiral pile cushion cap, and the technical problem that this utility model will solve is: how to reduce the tangential frost heaving force borne by the spiral pile and effectively prevent the frost heaving disease.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a sleeve pipe spiral pile cushion cap, includes cushion cap body and foundation pile, the upper end of foundation pile is fixed with the ring flange, and the ring flange passes through bolt and this body coupling of cushion cap, and the lower extreme of foundation pile is fixed with the solid fixed cylinder, and the periphery of solid fixed cylinder is fixed with helical blade, and the periphery activity cover of foundation pile is equipped with the sleeve pipe, and the sleeve pipe is located between solid fixed cylinder and the ring flange.

The utility model discloses a theory of operation is: the spiral blade is arranged on a perennial frozen soil layer, the sleeve is positioned on a seasonal active layer, the spiral blade and the foundation pile form a spiral pile, the spiral pile provides vertical bearing capacity and uplift bearing capacity, the spiral pile is suitable for seasonal frozen soil areas, the tangential frost heaving force of soil around the pile, namely the so-called frost heaving force, is reduced through the movable sleeve, and when the bearing platform works, the structure can be subjected to various load effects, the dead weight of a transmission line tower and the load of overlying ice and snow are transmitted to the bearing platform body and are transmitted to the soil below by the bearing platform body; the power transmission line tower can produce moment after receiving horizontal load such as wind, and the basis can receive pull-up power, and pull-up power acts on the screw pile through the cushion cap body. The spiral pile of connecting the cushion cap body is arranged perpendicularly, and when the temperature changes, the tangential frost heaving force that the activity layer produced in season acts on mobilizable sleeve pipe to reduce the tangential frost heaving force that the spiral pile received, can effectively prevent to freeze and pull out the disease.

The outer diameter of the sleeve is smaller than that of the fixed cylinder.

Structure more than adopting can utilize the solid fixed cylinder to carry out spacing the stopping to the sleeve pipe, prevents that sleeve pipe and helical blade from conflicting.

The foundation pile and the fixed cylinder are both of hollow structures.

By adopting the mechanism, concrete can be poured into the foundation pile and the fixed cylinder, and the strength of the foundation pile and the fixed cylinder is improved.

The lower end of the fixed cylinder is a downward inclined pointed cone end.

By adopting the structure, the screw pile can enter the ground more easily.

Four spouts have been seted up to the upside of cushion cap body, and four spouts are the cross and distribute, and equal sliding connection has the slide in four spouts, is provided with fastening bolt on the slide, has seted up in the spout with fastening bolt complex screw hole, and the upside of slide is provided with buffer gear.

By adopting the structure, when the buffering mechanism is used, the buffering mechanism can be fixed around the power transmission tower, and the horizontal resistance of the power transmission tower can be effectively improved when the buffering mechanism shakes due to strong wind or other factors.

The buffer mechanism comprises a first rotating seat, the first rotating seat is rotatably connected with the sliding seat, a first connecting seat is fixed on the first rotating seat, a first connecting piece is rotatably connected onto the first connecting seat, a telescopic rod is fixed on the first connecting piece, a second connecting piece is fixed at the other end of the telescopic rod, a buffer spring arranged at the periphery of the telescopic rod is fixed between the first connecting piece and the second connecting piece in a sleeved mode, a second connecting seat is rotatably connected onto the second connecting piece, a second rotating seat is fixed on the second connecting seat, and a mounting plate is rotatably connected onto the second rotating seat.

Structure more than adopting utilizes the setting of first connecting seat, first roating seat, second connecting seat and second roating seat for fore-and-aft buffer gear can not cause the influence each other with horizontal buffer gear, thereby realizes multi-directional buffering, guarantees the effect of buffering.

Threaded connection has the threaded rod on the cushion cap body, and the one end of threaded rod is stretched into in the spout and is fixed with the push pedal, push pedal and spout sliding connection, and the other end of threaded rod stretches out outside the cushion cap body and is fixed with the handle.

Structure more than adopting, when the installation, at first slide the outer end of spout with the slide, then install the mounting panel on defeated radio station, the fixed back of accomplishing of mounting panel, it is rotatory to drive the threaded rod through the handle, the threaded rod drives the inside motion of push pedal, the push pedal promotes the slide and slides, thereby compress buffer spring, aim at the back when fastening bolt and screw hole, screw hole with fastening bolt precession, the realization is fixed to the slide, buffer spring is in damping state recently this moment, thereby prevent when the mounting panel is fixed, need compress buffer spring, the degree of difficulty of installation has been reduced.

The spout internal fixation has the direction slide bar, push pedal and slide all with direction slide bar sliding connection.

By adopting the structure, the guide slide rod can be utilized to limit and guide the push plate and the slide seat, and the working stability of the device is ensured.

Compared with the prior art, the sleeve spiral pile cap has the following advantages:

1. the spiral blade is arranged on a perennial frozen soil layer, the sleeve is positioned on a seasonal active layer, the spiral blade and the foundation pile form a spiral pile, the spiral pile provides vertical bearing capacity and uplift bearing capacity, the spiral pile is suitable for seasonal frozen soil areas, the tangential frost heaving force of soil around the pile, namely the so-called frost heaving force, is reduced through the movable sleeve, and when the bearing platform works, the structure can be subjected to various load effects, the dead weight of a transmission line tower and the load of overlying ice and snow are transmitted to the bearing platform body and are transmitted to the soil below by the bearing platform body; the transmission line tower can produce moment after receiving horizontal load such as wind, and the basis can receive pull-up force, and pull-up force acts on the screw pile through the cushion cap body. The spiral pile connected with the bearing platform body is vertically arranged, and when the temperature changes, the tangential frost heaving force generated by the seasonal active layer acts on the movable sleeve, so that the tangential frost heaving force borne by the spiral pile is reduced, and the frost heaving disease can be effectively prevented.

2. The foundation pile and the sleeve are structurally arranged, so that concrete can be poured into the foundation pile and the fixed cylinder, and the strength of the foundation pile and the fixed cylinder is improved.

3. Buffer gear's structural setting can fix buffer gear around the transmission tower, when meetting strong wind or other factors and rocking, can effectual improvement transmission tower's horizontal resistance.

4. Push pedal and spout isotructure set up, when the installation, at first slide the outer end of spout with the slide, then install the mounting panel on defeated radio station, the fixed back of accomplishing of mounting panel, it is rotatory to drive the threaded rod through the handle, the threaded rod drives the push pedal inward movement, the push pedal promotes the slide and slides, thereby compress buffer spring, after fastening bolt aligns with the screw hole, screw hole is precessing with fastening bolt, the realization is fixed to the slide, buffer spring is in nearest shock-absorbing state this moment, thereby prevent when the mounting panel is fixed, need compress buffer spring, the degree of difficulty of installation has been reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of another perspective of the present invention.

Fig. 3 is a schematic structural view of the middle bearing platform body of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the figure, 1, a cushion cap body; 2. a flange plate; 3. pile foundation; 4. a fixed cylinder; 5. a helical blade; 6. a sleeve; 7. a chute; 8. a slide base; 9. a first rotating base; 10. a first connecting seat; 11. a first connecting member; 12. a telescopic rod; 13. a second connecting member; 14. a second connecting seat; 15. a second rotary base; 16. mounting a plate; 17. a threaded hole; 18. fastening a bolt; 19. pushing a plate; 20. a threaded rod; 21. a handle; 22. and guiding the sliding rod.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1-2, the sleeve spiral pile cap comprises a cap body 1 and a foundation pile 3, wherein a flange 2 is fixed at the upper end of the foundation pile 3, the flange 2 is connected with the cap body 1 through a bolt, a fixed cylinder 4 is fixed at the lower end of the foundation pile 3, a spiral blade 5 is fixed at the periphery of the fixed cylinder 4, a sleeve 6 is movably sleeved at the periphery of the foundation pile 3, and the sleeve 6 is positioned between the fixed cylinder 4 and the flange 2.

The spiral blade 5 is installed on a permafrost layer, the sleeve is located in a seasonal active layer, the spiral blade 5 and the foundation pile 3 form a spiral pile, the spiral pile is used for providing vertical bearing capacity and uplift bearing capacity, the spiral pile is suitable for seasonal frozen soil areas, the tangential frost heaving force of soil bodies around the pile, namely the so-called frost-heaving force, is reduced through the movable sleeve, and when the spiral pile works, the structure can be under various load effects, the self weight of the power transmission line tower and the load of overlying ice and snow are transmitted to the bearing platform body 1 and are transmitted to the soil body below by the bearing platform body 1; the power transmission line tower can produce moment after receiving horizontal load such as wind, and the basis can receive pull-up power, and pull-up power acts on the screw pile through cushion cap body 1. The spiral pile of connecting cushion cap body 1 arranges perpendicularly, and when the temperature variation, the tangential frost heaving power that the active layer produced in season acted on mobilizable sleeve pipe to reduce the tangential frost heaving power that the spiral pile received, can effectively prevent to freeze and pull out the disease.

The outer diameter of the sleeve 6 is smaller than that of the fixed cylinder 4.

Structure more than adopting can utilize solid fixed cylinder 4 to carry out spacing the stopping to sleeve pipe 6, prevents that sleeve pipe 6 and helical blade 5 from conflicting.

The foundation pile 3 and the fixed cylinder 4 are both hollow structures.

By adopting the mechanism, concrete can be poured into the foundation pile 3 and the fixed cylinder 4, and the strength of the foundation pile 3 and the fixed cylinder 4 is improved.

The lower end of the fixed cylinder 4 is a downward inclined pointed cone end.

By adopting the structure, the spiral pile can enter the ground more easily.

In conclusion, through the structural arrangement of the sleeve 6, the tangential frost heaving force borne by the spiral pile is reduced, and the function of preventing frost heaving diseases can be effectively realized.

Example two

As shown in fig. 3 and 4, the difference from the first embodiment lies in that four sliding grooves 7 are formed in the upper side of the platform body 1, the four sliding grooves 7 are distributed in a cross shape, sliding seats 8 are connected in the four sliding grooves 7 in a sliding manner, fastening bolts 18 are arranged on the sliding seats 8, threaded holes 17 matched with the fastening bolts 18 are formed in the sliding grooves 7, and a buffer mechanism is arranged on the upper side of the sliding seats 8.

Buffer gear includes first roating seat 9, first

roating seat

9 and 8 swivelling joints of slide, be fixed with first connecting seat 10 on the first roating seat 9, swivelling joint has first connecting piece 11 on first connecting seat 10, be fixed with telescopic link 12 on the first connecting piece 11, the other end of telescopic link 12 is fixed with second connecting piece 13, be fixed with the buffer spring of cover establishing in telescopic link 12 periphery between first connecting piece 11 and the second connecting piece 13, swivelling joint has second connecting seat 14 on the second connecting piece 13, second connecting seat 14 is fixed with second roating seat 15, swivelling joint has mounting panel 16 on second roating seat 15.

By adopting the structure, the arrangement of the first connecting seat 10, the first rotating seat 9, the second connecting seat 14 and the second rotating seat 15 is utilized, so that the longitudinal buffer mechanism and the transverse buffer mechanism cannot mutually influence each other, multi-directional buffering is realized, and the buffering effect is ensured.

Threaded connection has threaded rod 20 on the cushion cap body 1, and the one end of threaded rod 20 is stretched into in spout 7 and is fixed with push pedal 19, and push pedal 19 and spout 7 sliding connection, the other end of threaded rod 20 stretches out outside cushion cap body 1 and is fixed with handle 21.

Structure more than adopting, when the installation, at first slide 8 slides the outer end of spout 7, then install mounting panel 16 on defeated radio station, mounting panel 16 is fixed to be accomplished the back, it is rotatory to drive threaded rod 20 through handle 21, threaded rod 20 drives push pedal 19 inward movement, push pedal 19 promotes slide 8 and slides, thereby compress buffer spring, after fastening bolt 18 aligns with screw hole 17, screw hole 17 with fastening bolt 18 precession, the realization is fixed to slide 8, buffer spring is in nearest shock attenuation state this moment, thereby prevent when mounting panel 16 is fixed, need compress buffer spring, the degree of difficulty of installation has been reduced.

A guide slide bar 22 is fixed in the sliding groove 7, and the push plate 19 and the sliding seat 8 are connected with the guide slide bar 22 in a sliding way.

By adopting the structure, the guide slide rod 22 can be utilized to limit and guide the push plate 19 and the slide seat 8, and the working stability of the device is ensured.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a sleeve pipe spiral pile cushion cap, includes cushion cap body (1) and foundation pile (3), its characterized in that, the upper end of foundation pile (3) is fixed with ring flange (2), and ring flange (2) are connected with cushion cap body (1) through the bolt, and the lower extreme of foundation pile (3) is fixed with solid fixed cylinder (4), and the periphery of solid fixed cylinder (4) is fixed with helical blade (5), and the periphery movable sleeve of foundation pile (3) is equipped with sleeve pipe (6), and sleeve pipe (6) are located between solid fixed cylinder (4) and ring flange (2).

2. A spiral pile cap of casing pipe according to claim 1, characterized in that the outer diameter of the casing pipe (6) is smaller than the outer diameter of the fixed cylinder (4).

3. A spiral-sleeved pile cap according to claim 1, characterized in that the foundation pile (3) and the fixed cylinder (4) are both hollow.

4. A spiral piling platform of casing pipe according to claim 1, wherein the lower end of the fixed cylinder (4) is a downward inclined pointed conical end.

5. The sleeve spiral pile cap according to claim 1, characterized in that four sliding grooves (7) are formed in the upper side of the cap body (1), the four sliding grooves (7) are distributed in a cross shape, sliding seats (8) are connected in the four sliding grooves (7) in a sliding manner, fastening bolts (18) are arranged on the sliding seats (8), threaded holes (17) matched with the fastening bolts (18) are formed in the sliding grooves (7), and a buffer mechanism is arranged on the upper side of the sliding seats (8).

6. A spiral pile cap for casing pipes according to claim 5, characterized in that the buffer mechanism comprises a first rotary seat (9), the first rotary seat (9) is rotatably connected with the sliding seat (8), a first connecting seat (10) is fixed on the first rotary seat (9), a first connecting piece (11) is rotatably connected on the first connecting seat (10), an expansion link (12) is fixed on the first connecting piece (11), a second connecting piece (13) is fixed on the other end of the expansion link (12), a buffer spring sleeved on the periphery of the expansion link (12) is fixed between the first connecting piece (11) and the second connecting piece (13), a second connecting seat (14) is rotatably connected on the second connecting piece (13), a second rotary seat (15) is fixed on the second connecting seat (14), and a mounting plate (16) is rotatably connected on the second rotary seat (15).

7. A spiral pile cap for casing pipes according to claim 6, characterized in that the cap body (1) is connected with a threaded rod (20) in a threaded manner, one end of the threaded rod (20) extends into the chute (7) and is fixed with a push plate (19), the push plate (19) is connected with the chute (7) in a sliding manner, and the other end of the threaded rod (20) extends out of the cap body (1) and is fixed with a handle (21).

8. A spiral pile cap of casing pipe according to claim 7, characterized in that a guide slide bar (22) is fixed in the slide groove (7), and the push plate (19) and the slide carriage (8) are connected with the guide slide bar (22) in a sliding way.