阅读说明：本技术 一种架空输电线路用混凝土预制管桩的安装装置 (Installation device of precast concrete tubular pile for overhead transmission line ) 是由 胡鑫 王玉杰 郭新菊 王东洋 刘湘莅 栗威 席小娟 陈军帅 路晓军 翟建锋 赵志 于 2019-10-22 设计创作，主要内容包括：本发明提供了一种架空输电线路用混凝土预制管桩的安装装置,包括有注浆设备,所述注浆设备包括有浆料罐,所述浆料罐的底部设有支撑座,所述浆料罐的底部延伸至所述支撑座正下方的一端通过导管连接有增压泵,所述增压泵的输出端设有第一送浆管,所述第一送浆管远离所述增压泵的一端连接有伸缩送浆管,所述底座的顶部远离所述增压泵的一端设有升降装置,所述伸缩送浆管的一端连接有第二送浆管,所述第二送浆管的两端外壁上分别焊接有第一法兰盘和第二法兰盘,所述第二送浆管的一端设有注浆管。本发明通过第一送浆管、伸缩送浆管、升降装置和多个第二送浆管之间的紧固连接,实现了在恶劣地质环境中的注浆工作,从而确保了混凝土管桩的稳定。(The invention provides a mounting device of a concrete precast tubular pile for an overhead transmission line, which comprises grouting equipment, wherein the grouting equipment comprises a slurry tank, a supporting seat is arranged at the bottom of the slurry tank, one end of the bottom of the slurry tank, which extends to the position right below the supporting seat, is connected with a booster pump through a guide pipe, the output end of the booster pump is provided with a first slurry conveying pipe, one end, which is far away from the booster pump, of the first slurry conveying pipe is connected with a telescopic slurry conveying pipe, one end, which is far away from the booster pump, of the top of a base is provided with a lifting device, one end of the telescopic slurry conveying pipe is connected with a second slurry conveying pipe, the outer walls of the two ends of the second slurry conveying pipe are respectively welded with a first flange and a second flange, and one end of the second slurry conveying pipe is. According to the invention, the first slurry conveying pipe, the telescopic slurry conveying pipe, the lifting device and the plurality of second slurry conveying pipes are connected in a fastening manner, so that the grouting operation in a severe geological environment is realized, and the stability of the concrete pipe pile is ensured.)

1. The utility model provides an installation device of precast concrete tubular pile for overhead transmission line, including slip casting equipment (1), its characterized in that: the grouting equipment (1) comprises a slurry tank (2), a supporting seat (4) is arranged at the bottom of the slurry tank (2), and one end of the bottom of the slurry tank (2) extending to the position right below the supporting seat (4) is connected with a booster pump (3) through a guide pipe, the bottom of the booster pump (3) is provided with a base (5), the top of the base (5) is fixedly connected with the bottom of the booster pump (3) through a bolt, the output end of the booster pump (3) is provided with a first slurry conveying pipe (31), one end of the first slurry conveying pipe (31) is fixedly connected with the output end of the booster pump (3) through a connector, one end of the first slurry feeding pipe (31) far away from the booster pump (3) is connected with a telescopic slurry feeding pipe (32) through a connecting elbow, and one end of the top of the base (5) far away from the booster pump (3) is provided with a lifting device (6);

the lifting device (6) comprises a mounting frame (64), one end, far away from the first slurry conveying pipe (31), of the telescopic slurry conveying pipe (32) extends out of the mounting frame (64), one end, extending out of the mounting frame (64), of the telescopic slurry conveying pipe (32) is connected with a second slurry conveying pipe (7) through a connecting elbow, a first flange plate (71) and a second flange plate (72) are welded to the outer walls of the two ends of the second slurry conveying pipe (7) respectively, and a connecting pipe (73) is welded to one end, far away from the first flange plate (71), of the second flange plate (72);

one end of the second slurry feeding pipe (7) is provided with a grouting pipe (8), and the inner wall of the top end of the grouting pipe (8) is fixedly connected with the outer wall of the second slurry feeding pipe (7) through the connecting pipe (73).

2. The mounting device of the concrete precast tubular pile for the overhead transmission line according to claim 1, characterized in that: the bottom end of the grouting pipe (8) is welded with a conical grouting head (81), a plurality of grout outlets (82) are formed in the outer walls of the grouting pipe (8) and the conical grouting head (81) at equal intervals, a protective sleeve (10) is sleeved on the outer wall of the grouting pipe (8), and a conical sleeve (101) is welded at the bottom end of the protective sleeve (10);

the heights of the grouting pipe (8) and the conical grouting head (81) are respectively the same as those of the protective sleeve (10) and the conical sleeve (101).

3. The mounting device of the concrete precast tubular pile for the overhead transmission line according to claim 1, characterized in that: the bottom welding of mounting bracket (64) has telescopic link (62), telescopic link (62) are kept away from the cover is equipped with dead lever (61) on the outer wall of mounting bracket (64) one end, the bottom welding of dead lever (61) has fixing base (63), the bottom of fixing base (63) pass through the bolt with the top fixed connection of base (5).

4. The mounting device of the concrete precast tubular pile for the overhead transmission line according to claim 1, characterized in that: and the outer wall of the connecting pipe (73) is provided with an external thread (731).

5. The mounting device of the concrete precast tubular pile for the overhead transmission line according to claim 1, characterized in that: an internal thread (711) is arranged on the inner wall of the first flange plate (71), and the internal thread (711) is meshed with the external thread (731).

6. The mounting device of the concrete precast tubular pile for the overhead transmission line according to claim 1, characterized in that: one apex angle department of supporting seat (4) is equipped with controlling means (11), controlling means (11) through the wire with booster pump (3) electric connection.

7. The mounting device of the concrete precast tubular pile for the overhead transmission line according to claim 1, characterized in that: driven wheels (52) are connected to four bottom corners of the base (5) one by one through bolts, and supporting legs (51) are symmetrically arranged on two sides of the bottom of the base (5);

the four driven wheels (52) and the four supporting feet (51) are provided with floating type working tables (9) at the bottoms, and the four driven wheels (52) and the four supporting feet (51) are all in contact with but not fixed on the tops of the floating type working tables (9).

Technical Field

The invention mainly relates to the technical field of overhead transmission line foundations, in particular to a mounting device for a concrete precast tubular pile for an overhead transmission line.

Background

With the continuous development of power grid technology, the tower structure form and the foundation form of the overhead transmission line are also continuously changed, wherein, the overhead transmission line consists of a lead, an overhead ground wire, an insulator string, a tower, a grounding device and the like, the tower is a main supporting structure of the overhead transmission line, a tower foundation is taken as an important component of the transmission line project, the project amount accounts for 20 to 25 percent of the investment of the whole project, the construction period accounts for more than 60 percent of the whole project, because of the influence of geology, hydrology and regional natural environment, the tower foundation needs to select different foundation forms, the optimization design is carried out according to the foundation acting force, the tower foundation is mostly composed of reinforced concrete or steel, the method can be divided into basic forms of cast-in-place, prefabrication and the like according to the manufacturing method, and the authorization notice number CN104452749B discloses a construction method of a reinforced concrete cast-in-place tubular pile, which mainly comprises the following construction steps: 1) drilling a hole by using the slurry protection wall, wherein the hole is drilled by using a drilling machine in the hole forming process, and the hole bottom is expanded by using a supporting disc forming machine; 2) pouring the pile bottom expanded end by adopting an underwater concrete pouring mode; 3) manufacturing a reinforcement cage, and mounting reinforcement protection cushion blocks at intervals on stirrups to form a positioning bracket; 4) the inner side mold bag and the outer side mold bag are pasted inside and outside the positioning support, and the bottom of the positioning support is provided with an annular end plate; 5) pressing the positioning bracket and the die bag into the hole; 6) pouring micro-expansion concrete into the space between the inner side mold bag and the outer side mold bag; 7) constructing a pile top closing body and a cover plate after the pile body concrete reaches the strength; the structure has the following disadvantages: the cast-in-place foundation has large field operation area, large manpower input, large weather influence and long construction period.

The prefabricated mode that can adopt the batch production processing tubular pile of prefabrication, both can guarantee processingquality, can guarantee phenomenon operating efficiency again and not influenced by the climate, during prefabricated tubular pile is applied to overhead transmission line, under the great condition of foundation effort, need increase tubular pile length or increase tubular pile diameter and satisfy transmission line shaft tower foundation effort, increase tubular pile length or increase tubular pile diameter can increase the engineering investment, in addition when increasing tubular pile length or increase tubular pile diameter, also need consider the bearing capacity of increase tubular pile. Chinese patent publication No. CN204491617U discloses a static pressure or hammering concrete precast tubular pile bottom post-grouting device, a precast pile tip is installed at the bottom of the precast tubular pile, a grouting outlet is arranged on the precast pile tip, a grouting pipe is arranged inside the precast tubular pile, the grouting pipe is communicated with the grouting outlet through a grouting channel inside the precast pile tip, the grouting pipe is tightly connected with one end opening part of the grouting channel through a connector, a positioner is arranged between the inner wall of the precast tubular pile and the outer wall of the grouting pipe, the precast pile tip is installed at the bottom of the precast tubular pile, the lower opening of the grouting outlet is sealed by a soft plug, the upper opening of the channel in the precast pile tip is connected with the grouting pipe through the connector and is provided with the positioner, the installation of the precast tubular pile is completed by static pressure or hammering, cement slurry is injected after 24 hours, the water cement slurry has a water cement ratio of 0.5-0.7, the water cement ratio is reduced or reduced, the grouting pipe can be pulled, can be repeatedly used. The invention increases the bearing capacity of the tubular pile by grouting, but a large amount of slurry garbage is generated in the cement grouting construction process, a special slurry pool needs to be arranged, and the environmental pollution is serious.

Chinese patent publication No. CN205804329U discloses a fin opening concrete hollow pipe pile, including last mould and bed die, go up the mould with the bed die outer wall is equipped with tubular pile outer wall fin, go up the mould with the bed die inner wall is equipped with tubular pile inner wall fin, tubular pile outer wall fin and tubular pile inner wall fin include annular fin lower part, annular fin middle part and annular fin upper portion. The invention relates to a hollow pipe pile with an opening of convex ribs, which is characterized in that the outer wall and the inner wall of the traditional hollow pipe pile with a circular section are uniformly and alternately provided with annular convex ribs at intervals. Because the annular convex ribs are additionally arranged, the contact surface area of the pile and the soil body is increased, and the friction force of the pile body and the bearing capacity of the whole pile are effectively improved. However, the invention adopts the annular convex ribs to increase the contact surface area of the pile and the soil body, so that the contact area is small on one hand, and the pile driving is not facilitated on the other hand.

Disclosure of Invention

The invention mainly provides a mounting device of a concrete precast tubular pile for an overhead transmission line, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the mounting device for the concrete precast tubular pile for the overhead power transmission line comprises grouting equipment, wherein the grouting equipment comprises a slurry tank, a supporting seat is arranged at the bottom of the slurry tank, one end of the bottom of the slurry tank, which extends to the position right below the supporting seat, is connected with a booster pump through a guide pipe, a base is arranged at the bottom of the booster pump, the top of the base is fixedly connected with the bottom of the booster pump through a bolt, a first slurry conveying pipe is arranged at the output end of the booster pump, one end of the first slurry conveying pipe is fixedly connected with the output end of the booster pump through a connecting head, one end, which is far away from the booster pump, of the first slurry conveying pipe is connected with a telescopic slurry conveying pipe through a connecting elbow, and a lifting device is arranged at one end, which is far away from;

the lifting device comprises a mounting frame, one end of the telescopic slurry conveying pipe, which is far away from the first slurry conveying pipe, extends out of the mounting frame, one end of the telescopic slurry conveying pipe, which extends out of the mounting frame, is connected with a second slurry conveying pipe through a connecting elbow, a first flange and a second flange are respectively welded on the outer walls of two ends of the second slurry conveying pipe, and a connecting pipe is welded at one end of the second flange, which is far away from the first flange;

and one end of the second slurry conveying pipe is provided with a slurry injection pipe, and the inner wall of the top end of the slurry injection pipe is fixedly connected with the outer wall of the second slurry conveying pipe through the connecting pipe.

Furthermore, a conical grouting head is welded at the bottom end of the grouting pipe, a plurality of slurry outlets are arranged on the outer walls of the grouting pipe and the conical grouting head at equal intervals, a protective sleeve is sleeved on the outer wall of the grouting pipe, and a conical sleeve is welded at the bottom end of the protective sleeve;

the heights of the grouting pipe and the conical grouting head are respectively the same as those of the protective sleeve and the conical sleeve.

Further, the bottom welding of mounting bracket has the telescopic link, the telescopic link is kept away from the cover is equipped with the dead lever on the outer wall of mounting bracket one end, the bottom welding of dead lever has the fixing base, the bottom of fixing base pass through the bolt with the top fixed connection of base.

Furthermore, the outer wall of the connecting pipe is provided with external threads.

Furthermore, an internal thread is arranged on the inner wall of the first flange plate, and the internal thread is meshed with the external thread.

Furthermore, a vertex angle of the supporting seat is provided with a control device, and the control device is electrically connected with the booster pump through a lead.

Furthermore, driven wheels are connected to four bottom corners of the base one by one through bolts, and supporting legs are symmetrically arranged on two sides of the bottom of the base;

four from the driving wheel with four the bottom of supporting legs is equipped with floating table, four from the driving wheel with four the bottom of supporting legs all with floating table's top contacts but not fixed.

Compared with the prior art, the invention has the beneficial effects that:

the grouting device is convenient for grouting work in a severe geological environment, grouting in deep water karst fracture development geology is realized through the booster pump, the first slurry conveying pipe, the telescopic slurry conveying pipe, the lifting device, the second slurry conveying pipes and the grouting pipe which are sequentially arranged, wherein a plurality of second slurry conveying pipes are connected for the first time through threads, and then the first flange plate and the second flange plate are further fixed through bolts, so that the second slurry conveying pipes are connected tightly and are not easy to fall off, the grouting work is facilitated, the stability of an old bridge foundation is ensured, and the safety risk is reduced;

secondly, uniform grouting is realized, deep-water karst fracture development geological grouting is realized through the conical grouting head and the grout outlet, grouting is uniform, the stability of an old bridge foundation is ensured, the grouting pipe and the conical grouting head are convenient to drill into severe geological environments such as deep-water karst fracture development geology and the like through the protective casing and the conical casing, and the subsequent grouting work is convenient to expand;

thirdly, the device is convenient to move, the device is moved through the driven wheel, and manpower is saved.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a second slurry feeding pipe according to the present invention;

fig. 3 is a cross-sectional view of a slip casting pipe structure of the present invention.

Reference numerals: 1. grouting equipment; 11. a control device; 2. a slurry tank; 3. a booster pump; 31. a first slurry feeding pipe; 32. a telescopic pulp feeding pipe; 4. a supporting seat; 5. a base; 51. supporting legs; 52. a driven wheel; 6. a lifting device; 61. fixing the rod; 62. a telescopic rod; 63. a fixed seat; 64. a mounting frame; 7. a second slurry feeding pipe; 71. a first flange plate; 711. an internal thread; 72. a second flange plate; 73. a connecting pipe; 731. an external thread; 8. a grouting pipe; 81. a conical grouting head; 82. a pulp outlet; 9. a floating work table; 10. a protective sleeve; 101. a tapered sleeve.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3 with great emphasis, an installation apparatus for a concrete precast tubular pile for an overhead power transmission line comprises a grouting device 1, wherein the grouting device 1 comprises a slurry tank 2, a support seat 4 is arranged at the bottom of the slurry tank 2, one end of the bottom of the slurry tank 2 extending to the position right below the support seat 4 is connected with a booster pump 3 through a conduit, a base 5 is arranged at the bottom of the booster pump 3, the top of the base 5 is fixedly connected with the bottom of the booster pump 3 through a bolt, the output end of the booster pump 3 is provided with a first slurry feeding pipe 31, one end of the first slurry feeding pipe 31 is fixedly connected with the output end of the booster pump 3 through a connector, one end of the first slurry feeding pipe 31 far away from the booster pump 3 is connected with a telescopic slurry feeding pipe 32 through a connecting elbow, and one end of the top of the base 5 far away from the booster pump 3 is provided with a lifting device, elevating gear 6 is including mounting bracket 64, just flexible thick liquid pipe 32 of sending keeps away from first one end of sending thick liquid pipe 31 extends to outside the mounting bracket 64, flexible thick liquid pipe 32 of sending extends to the outside one end of mounting bracket 64 is connected with the second through connecting the elbow and sends thick liquid pipe 7, the second send thick liquid pipe 7's both ends outer wall on weld respectively have first ring flange 71 and second ring flange 72, just the second ring flange 72 keeps away from the one end welding of first ring flange 71 has connecting pipe 73, the one end that the thick liquid pipe 7 was sent to the second is equipped with slip casting pipe 8, the top inner wall of slip casting pipe 8 passes through connecting pipe 73 with the second send the outer wall fixed connection of thick liquid pipe 7.

Please refer to fig. 1 again, a telescopic rod 62 is welded at the bottom of the mounting frame 64, a fixed rod 61 is sleeved on the outer wall of one end of the telescopic rod 62 away from the mounting frame 64, a fixed seat 63 is welded at the bottom of the fixed rod 61, and the bottom of the fixed seat 63 is fixedly connected with the top of the base 5 through a bolt. In this embodiment, the telescopic rod 62 is used for lifting the mounting frame 64, so that the second slurry feeding pipe 7 and the grouting pipe 8 can be conveniently fed into the deep water, and the grouting work can be conveniently carried out.

Please refer to fig. 1 again, a control device 11 is disposed at a top corner of the support seat 4, the control device 11 is electrically connected to the booster pump 3 through a wire, four bottom corners of the base 5 are connected to driven wheels 52 one by one through bolts, supporting feet 51 are symmetrically disposed at two sides of the bottom of the base 5, floating type working tables 9 are disposed at the bottoms of the four driven wheels 52 and the four supporting feet 51, and the bottoms of the four driven wheels 52 and the four supporting feet 51 are all in contact with but not fixed to the top of the floating type working tables 9. In this embodiment, movement of the device is achieved by the driven wheel 52, securing the device by supporting the foot 51.

Please refer to fig. 2, an external thread 731 is disposed on an outer wall of the connecting pipe 73, an internal thread 711 is disposed on an inner wall of the first flange 71, and the internal thread 711 and the external thread 731 are engaged with each other. In the embodiment, the connection between the two second slurry feeding pipes 7 is realized through the first flange 71 of one second slurry feeding pipe 7 and the connecting pipe 73 of the other second slurry feeding pipe 7, and the installation is convenient.

Please refer to fig. 3 again, a conical grouting head 81 is welded at the bottom end of the grouting pipe 8, a plurality of grout outlets 82 are arranged on the outer walls of the grouting pipe 8 and the conical grouting head 81 at equal intervals, a protective sleeve 10 is sleeved on the outer wall of the grouting pipe 8, a conical sleeve 101 is welded at the bottom end of the protective sleeve 10, and the heights of the grouting pipe 8 and the conical grouting head 81 are the same as the heights of the protective sleeve 10 and the conical sleeve 101, respectively. In this embodiment, realize through toper slip casting head 81 and grout outlet 82 that the slip casting is even in deep water karst crack development geology slip casting and make the slip casting, ensure the stability of old bridge foundation, be convenient for slip casting pipe 8 and toper slip casting head 81 to creep into in the abominable geological environment such as deep water karst crack development geology through protective casing 10 and toper sleeve pipe 101, need take off protective casing 10 when beginning the slip casting.

The specific operation mode of the invention is as follows:

firstly, slurry is injected into a slurry tank 2, then a first slurry conveying pipe 31 is arranged on a booster pump 3, the other end of the first slurry conveying pipe 31 is connected with a telescopic slurry conveying pipe 32, then the telescopic slurry conveying pipe 32 is fixed on an installation frame 64 by lowering a lifting device 6, the other end of the telescopic slurry conveying pipe 32 is connected with one end of a second slurry conveying pipe 7 by a connecting elbow, because a slurry injection hole is positioned in a deep water area, a plurality of second slurry conveying pipes 7 are required to be connected so that a slurry injection pipe 8 can reach the position of the slurry injection hole, two second slurry conveying pipes 7 are connected between the two second slurry conveying pipes 7 by an internal thread 711 of a first flange 71 of one second slurry conveying pipe 7 and an external thread 731 of a connecting pipe 73 of the other second slurry conveying pipe 7, then the first flange 71 of one second slurry conveying pipe 7 and a second flange 72 of the other second slurry conveying pipe 7 are further fixed by bolts, by the method, a plurality of second slurry conveying pipes 7 are connected until the slurry injecting pipe 8 connected with one end of the last second slurry conveying pipe 7 can reach the position of a slurry injecting hole, so that the slurry injecting work is facilitated.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.