CN215518717U - Shell-structure filler and manufacturing tool thereof - Google Patents

Abstract

The utility model relates to a shell structure type filler and a manufacturing tool thereof, wherein the filler comprises a hemispherical shell, an embedded filling pit arranged in the hemispherical shell, and a plurality of embedded filling holes arranged on the inner side of the embedded filling pit; the manufacturing tool comprises a base, a female die and a support which are arranged on the base, a sliding rod which is vertically arranged on the support in a sliding mode, a male die which is arranged at the bottom end of the sliding rod and matched with the female die, and a pressing rod assembly which is used for driving the sliding rod to vertically slide. Compared with the prior art, the shell-shaped structure type filler can be used as a framework unit, is stirred and mixed with materials such as concrete, lime, a setting accelerator and the like, and then is put into the karst cave to form the soil framework, wherein the filler is designed into a shell shape and is provided with a plurality of embedded filling holes, so that the quality of the filler can be reduced, raw materials are saved, condensate such as cement can flow in, the density and the hardness of the formed soil framework are improved, the structural strength of the soil framework is ensured, and the problem of difficult pile driving in the karst cave area is effectively solved.

Description

Shell-structure filler and manufacturing tool thereof

Technical Field

The utility model belongs to the technical field of building fillers, and relates to a shell-shaped structure type filler and a manufacturing tool thereof.

Background

The karst cave is an underground space formed by soluble rocks due to karst effect, and the formation of the karst cave is a result of long-term corrosion of underground water in limestone areas. Due to the different lime content of each part in the rock stratum and the different erosion degree, the limestone area is gradually dissolved and divided into karst caves with complex structures and criss-cross structures. The southwest region of China has humid climate, abundant rainfall and remarkable flowing water effect, and a large amount of soluble rocks exist, so that the southwest region of China belongs to the region with widely distributed karst landforms.

Characteristics such as different karst forms, rock surface fluctuation, poor stability of a top plate, dynamic change of karst water and the like are important factors influencing engineering quality and safe use in the karst area. It is also difficult to properly process karst caves in projects such as tunnels and bridge pile foundations and to consider project cost, construction period, construction difficulty and the like. For the bridge pile foundation in the karst development area, certain experience has been accumulated in China, and according to the scale form of the karst cave and the situation of filling the karst cave, the common karst cave treatment measures are of four types: 1) grouting method; 2) follow-up of the steel casing; 3) backfilling; 4) a comprehensive method. The existing research on fillers of backfilled karst caves is less, the specific situation of staggered and through cracks is difficult to find due to the complexity and changeability of underground karst caves, and the situation that a certain deviation occurs between a ground exploration report and the actual situation often occurs in engineering. Slurry leakage often occurs in the backfill of the common stone clay, repeated backfill compaction is needed, the engineering progress is seriously delayed, and due to the limited strength, the risks of slurry leakage, pile breakage and the like caused by overlarge pressure of underwater poured concrete and the extrusion of hole walls exist in the actual construction. Therefore, it is necessary to design a karst cave filler, which can effectively utilize the shape and the stacking effect of the filler, and inject cement and concrete constant-speed setting materials to complete the pile foundation drilling conditions.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shell-shaped structure type filler which is simple in structure, convenient to produce and install, strong in practicability and capable of achieving an effective filling effect and a manufacturing tool thereof, and the shell-shaped structure type filler is used for solving the problem that pile driving is difficult in a karst cave area.

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

a shell-structure-type filler comprises a hemispherical shell, an embedded filling pit arranged in the hemispherical shell, and a plurality of embedded filling holes arranged on the inner side of the embedded filling pit.

The shell-shaped structure type filler can be used as a framework unit and is stirred and mixed with materials such as concrete, lime, an accelerating agent and the like and then is put into the karst cave to form a soil framework, wherein the filler is designed into a shell shape and is provided with a plurality of embedded filling holes, so that condensation products such as cement and the like can flow in, the density and the hardness of the formed soil framework are improved, the structural strength of the soil framework is ensured, and the problem of difficult pile driving in the karst cave area is solved.

As a preferable technical scheme, the hemispherical shell can be prepared by using local soil as a raw material through a compression molding process.

Further, the plurality of embedded filling holes form two groups of filling hole groups with an included angle of 60 degrees, each group of filling holes comprises 3 embedded filling holes which are arranged in a regular triangle, and the depth of the embedded filling hole of one group of filling holes is larger than that of the other group of filling holes.

Furthermore, the cross section of the embedding filling pit is in a semi-elliptical shape, so that the edge thickness of the hemispherical shell is smaller than the bottom thickness. Through improving hemispherical shell bottom thickness to avoid gomphosis filling hole bottom thickness too thin, thereby influence hemispherical shell's structural strength.

Further, the embedding filling hole comprises a straight cylindrical side wall and a hemispherical bottom plate.

Preferably, the diameter of the hemispherical shell is 10-40% of the diameter of the pile hole.

The utility model provides a manufacturing tool for preparing above-mentioned shell structure type filler, includes the base, locates die and support on the base, vertical slip locates the slide bar on the support, locates the slide bar bottom and with the terrace die of die looks adaptation to and be used for driving the vertical gliding depression bar subassembly of slide bar.

Furthermore, the female die comprises a female die base, a female die core and a female die discharge groove, wherein the female die core is arranged on the upper side face of the female die base and used for forming the appearance of the outer side of the hemispherical shell, and the female die discharge groove is arranged between the edge of the female die core and the edge of the upper side face of the female die base.

As the preferred technical scheme, the female die discharge groove is in a semi-cylindrical shape, so that redundant soil, moisture and air are conveniently discharged from the gap in the die pressing process, and the structure of a product filler is more compact.

As a further preferred technical scheme, the number of the female die discharge grooves is 4, and the female die discharge grooves are uniformly distributed at the outer edge of the top surface of the female die base along the circumferential direction at equal included angles.

Furthermore, a plurality of positioning bosses are arranged on the base, and positioning grooves matched with the positioning bosses are formed in the bottom of the female die base.

As a preferred technical scheme, 3 positioning bosses are arranged on the bottom plate in a regular triangle manner to restrain the female die from rotating in the die pressing process.

Preferably, the plurality of positioning bosses are welded to the base.

Further, the terrace die includes terrace die seat, terrace die mold core and the terrace die row who arranges the relative setting in groove with the die row, terrace die mold core is including locating on the terrace die seat and being used for forming the first terrace die platform of gomphosis filling pit to and a plurality of second terrace die platform of locating on the first terrace die platform and being used for forming the gomphosis filling hole.

As an optimal technical scheme, the top of the male die is provided with an internal threaded hole, the bottom of the sliding rod is provided with an external thread, and the male die is detachably connected with the bottom of the sliding rod through the internal threaded hole and the external thread.

Further, the support is an inverted L-shaped support, a mounting hole is formed in the extending end of the top of the inverted L-shaped support in a penetrating mode, a linear bearing is arranged in the mounting hole, the sliding rod is arranged in the linear bearing in a sliding mode, and the vertical sliding direction of the sliding rod is guaranteed through the linear bearing.

Further, the compression bar assembly comprises a connecting rod, an insert cylinder and a bar handle;

two ends of the connecting rod are respectively hinged with the base and the end part of the inserting cylinder;

the outer wall of the inserting cylinder is hinged with the end part of the sliding rod;

one end of the rod handle is inserted into the insertion cylinder, and the other end of the rod handle extends out of the insertion cylinder.

As a preferred technical scheme, an end part hinge seat and a middle part hinge seat are respectively arranged at the end part and the middle part of the inserting cylinder, and the end part hinge seat is connected with a bolt at the upper end of the connecting rod, so that the inserting cylinder is hinged with the connecting rod; similarly, the middle hinged seat is connected with a bolt at the upper end of the sliding rod, so that the insertion cylinder is hinged with the sliding rod.

Preferably, the end of the rod handle is connected with the inserted cylinder through a bolt.

The stacking effect formed by the conventional fillers such as cement, lime, an accelerator and the like is shown in FIG. 13, the stacking section of the filler is in an obtuse triangle shape, the occupied area of the bottom of the filler is large, and only a large amount of fillers can be used for meeting the piling requirement, so that the stacking height is ensured, and when a karst cave with higher depth is met, the amount of the fillers is obviously increased, so that the materials are excessively wasted and are uneconomical; after the shell-shaped structure type filler can be used as a framework unit, the formed accumulation state is shown in fig. 12, and it can be seen that the shell-shaped filler shows a good accumulation effect at the moment, and the accumulation section is trapezoidal, so that the material can be saved, and the supporting effect can be achieved.

Compared with the prior art, the utility model has the following characteristics:

1) the shell-shaped structure type filler can be used as a framework unit, is stirred and mixed with materials such as concrete, lime, a setting accelerator and the like and then is put into the karst cave to form a soil framework, wherein the filler is designed into a shell shape and is provided with a plurality of embedded filling holes, so that on one hand, the permeability of aggregates such as cement and the like can be increased, the density and the hardness of the formed soil framework are improved, the structural strength is ensured, the problem of difficult pile driving in the karst cave area is solved, on the other hand, the self weight is reduced under the condition of maintaining proper structural volume, the raw materials are saved, and the economic benefit of pile driving work is improved;

2) the side wall of the embedded filling pit is designed into a cylindrical shape, and the bottom of the embedded filling pit is designed into a hemispherical shape, so that condensate can flow in conveniently, the connection strength between the filler and the filling matrix is improved, the structural strength of the formed soil framework is further improved, and the convenience of demoulding operation is improved in the compression moulding process;

3) the manufacturing tool provided by the utility model is used for preparing the shell-shaped structure type filler by using a lever principle die pressing, so that the labor intensity of a user is reduced, and simultaneously, the die pressing pressure is improved, thus the structural density of a product is improved, and the structural strength of the product is ensured;

4) the utility model has simple structure and convenient preparation, can be molded by one-time die pressing through the manufacturing tool, can select local soil as a manufacturing raw material, is convenient to obtain materials, saves construction cost, accelerates construction speed, effectively solves the problem of pile foundation punching in karst cave areas for construction personnel, and saves a large amount of financial resources and energy in the selection and use of manufacturing equipment.

Drawings

FIG. 1 is a schematic structural view of a shell-structured packing according to an embodiment;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of a manufacturing tool for preparing a shell-structured packing in the example;

FIG. 4 is a schematic perspective view of the base;

fig. 5 and 6 are schematic structural diagrams of the female die;

FIGS. 7 and 8 are schematic structural views of a male die;

FIG. 9 is a schematic structural view of a slide bar;

FIG. 10 is a schematic structural view of the cartridge;

FIG. 11 is a schematic view of a connecting rod;

FIG. 12 is a graph showing the effect of stacking with fillers having a shell-like structure;

FIG. 13 is a graph showing the effect of stacking by conventional fillers;

the notation in the figure is:

1-hemispherical shell, 2-embedded filling pits, 3-embedded filling holes, 4-base, 5-female die, 501-female die base, 502-female die core, 503-female die discharging groove, 504-positioning groove, 6-bracket, 7-driving slide bar, 8-male die, 801-male die base, 802-first male die table, 803-male die discharging groove, 804-second male die table, 9-positioning boss, 10-middle hinged base, 11-linear bearing, 12-connecting rod, 13-inserting barrel, 14-rod handle, 15-base hinged base and 16-end hinged base.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example (b):

as shown in fig. 1 and 2, a shell-structured packing includes a hemispherical shell 1 having a diameter of 80mm, fitting filling recesses 2 opened in the hemispherical shell 1, and 6 fitting filling holes 3 opened inside the fitting filling recesses 2. Wherein, the diameter of the hemispherical shell 1 can be determined according to the actual size of the pile hole, and generally 10-40% of the diameter of the pile hole can be selected.

Specifically, the cross section of the embedding filling pit 2 is circular, and the longitudinal section of the embedding filling pit is elliptical with a long radius of 30mm and a short radius of 20mm, so that the edge thickness of the hemispherical shell 1 is smaller than the bottom thickness, specifically, the edge thickness of the hemispherical shell 1 is 10mm, and the bottom thickness is 20 mm. By increasing the thickness of the bottom of the hemispherical shell 1, the bottom of the embedding filling hole 3 is prevented from being too thin, so that the structural strength of the hemispherical shell 1 is influenced.

Three of the 6 embedded filling holes 3 are arranged in a regular triangle, the included angle between the two groups is 60 degrees, the depths of the holes in the groups are uniform, and one group is deeper than the other group. Specifically, the fitting filling hole 3 includes a straight cylindrical side wall and a hemispherical bottom plate. The aperture in one group is 10mm, and the aperture in the other group is 10.9 mm.

The shell-shaped filler can be prepared by using soil on a construction site as a raw material and adopting a die-pressing process by using a manufacturing tool as shown in fig. 3.

Specifically, above-mentioned manufacturing tool includes base 4, locate die 5 and the type of falling L support 6 on base 4, run through and offer the mounting hole on the support 6 top stretches out the end, locate linear bearing 11 in the mounting hole, slide bar 7 that vertical slip was located in linear bearing 11, with slide bar 7 bottom threaded connection and with the relative terrace die 8 that sets up of die 5 to and be used for driving the vertical gliding depression bar subassembly of slide bar 7.

As shown in fig. 4, the inverted L-shaped bracket 6 is welded to the base 4, and includes a long tube with a length of 300mm and a short tube with a length of 150mm, which is vertically disposed at the top end of the long tube, and an installation hole with a diameter of 45mm is provided at the end of the short tube, and the linear bearing 11 can be installed in the installation hole by means of a bolt, a washer, a nut, and other components. The linear bearing 11 is constructed as shown in fig. 11, and a standard linear bearing having an inner diameter of 30mm, an outer diameter of 45mm and a length of 64mm may be used. In addition, a base hinge seat 15 and 3 positioning bosses 9 which are arranged in a regular triangle are welded on the base 4. Wherein the articulated seat 15 of base specifically is two trompil square boards that interval 20mm and set up side by side, and its trompil diameter is 14 mm.

As shown in fig. 5-6, the female mold 5 includes a cylindrical female mold base 501 with a diameter of 110mm, a hemispherical concave female mold core 502 provided on the upper side of the female mold base 501, and 4 female mold discharge grooves 503 uniformly arranged on the edge of the upper side of the female mold base 501 along the circumferential direction with equal included angles. The 4 female die discharge grooves 503 are all in the shape of a semi-cylinder with the diameter of 10mm and the length of 15mm and are communicated with the edge of the female die core 502 and the edge of the female die base 501. The bottom of the die base 501 is further provided with 3 positioning grooves 504, and the female die 5 is restrained from rotating in the die pressing process through the positioning grooves 504 and the positioning bosses 9.

As shown in fig. 7 to 8, the punch 8 includes a cylindrical punch holder 801 having a diameter of 110mm and a thickness of 40mm, a punch core including a first punch table 802 provided on the punch holder 801 for forming the fitting filling recesses 2, and 6 second punch tables 804 provided on the first punch table 802 for forming the fitting filling holes 3, and a punch discharge groove 803. Corresponding to the above-mentioned fitting filling hole 3, the 6 second male die stages 804 are also divided into 2 male die stage groups, as shown in fig. 8, the inner 3 second male die stages 804 are long cylindrical with a diameter of 10.9mm, the outer 3 second male die stages 804 are short cylindrical with a diameter of 10mm, and the ends of the 6 second male die stages 804 are all provided with hemispherical structures with the same diameter. In addition, the structure, the size and the position of the male die discharging groove 803 are matched with those of the female die discharging groove 503 to form a die discharging hole in a mutually matched mode, and materials of redundant soil, moisture and air generated in the die pressing process are discharged, so that the structure of a product filler is more compact.

As shown in figure 9, the diameter of the sliding rod 7 is 30mm, the length of the sliding rod is 270mm, a through hole with the diameter of 14mm is formed in one end of the sliding rod in the vertical axial direction, an external thread with the length of 20mm is formed in the other end of the sliding rod, an internal thread hole with the diameter of 30mm and the depth of 20mm is further formed in the top of the male die 8, and the male die 8 is detachably connected with the sliding rod 7 through the internal thread hole and the external thread.

The compression bar component comprises a connecting rod 12, an insert cylinder 13 and a bar handle 14; the structure of the inserting cylinder 13 is as shown in fig. 10, the diameter is 35mm, the wall thickness is 5mm, the length is 190mm, one end is perpendicular to the axial direction and is provided with a through hole with the diameter of 5mm, the end part and the middle part of the inserting cylinder 13 are respectively provided with an end part hinge seat 16 and a middle part hinge seat 10, the middle part hinge seat 10 is matched with the through hole at the end part of the sliding rod 7 and is connected with a cylindrical pin through a standard key M14-50, and the middle part hinge seat 10 is in hinge fit with the end part of the sliding rod 7. The rod handle 14 is a steel pipe with the length of 700mm, the inner diameter of 25mm and the outer diameter of 35mm, and a through hole with the diameter of 5mm is formed in one end of the steel pipe perpendicular to the axial direction; the through hole of the insert barrel 13 and the through hole of the lever handle 14 are fixedly connected through a cotter pin of a standard key M5-45. The structure of the connecting rod 12 is shown in fig. 11, the main body part is rectangular, and both ends are provided with round corners and through holes with the diameter of 14mm, which are respectively used for connecting the base hinge seat 15 and the end hinge seat 16 through bolts.

When the filling material is used, soil on a construction site is used as a raw material and is placed in the female die 5, then the outer end of the rod handle 14 is pressed downwards to enable the outer end to rotate to a horizontal state around a hinged position with the connecting rod 12, the male die 8 is pressed downwards through the sliding rod 7 positioned in the middle of the rod handle 14 by utilizing the lever principle, the female die 5 and the male die 8 are pressed mutually, and soil materials in the female die are pressed into the shell-shaped structure type filling material.

The embodiments described above are intended to facilitate the understanding and use of the utility model by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims (10)

1. A shell-structured packing is characterized by comprising a hemispherical shell (1), an embedded filling pit (2) formed in the hemispherical shell (1), and a plurality of embedded filling holes (3) formed in the inner side of the embedded filling pit (2).

2. A shell structure type packing according to claim 1, wherein the plurality of fitting filling holes (3) form two sets of filling hole groups having an included angle of 60 °, each of the filling hole groups comprises 3 regular triangular arrangement of fitting filling holes (3), and the fitting filling hole (3) of one of the filling hole groups has a greater depth than the other filling hole group.

3. A shell structure type filler in accordance with claim 1, wherein said fitting filling recess (2) has a semi-elliptical cross-section such that the thickness of the edge of the hemispherical shell (1) is smaller than the thickness of the bottom.

4. A shell structure type filler in accordance with claim 1, wherein said fitting filling hole (3) comprises a straight cylindrical side wall and a hemispherical bottom plate.

5. A manufacturing tool for preparing the packing of the shell structure type according to any one of claims 1 to 4, characterized in that the manufacturing tool comprises a base (4), a female die (5) and a support (6) which are arranged on the base (4), a slide bar (7) which is vertically slidably arranged on the support (6), a male die (8) which is arranged at the bottom end of the slide bar (7) and is matched with the female die (5), and a compression bar assembly for driving the slide bar (7) to vertically slide.

6. A tool for manufacturing a filling of the shell structure type according to claim 5, wherein the female mold (5) comprises a female mold base (501), a female mold core (502) opened on the upper side of the female mold base (501) for forming the outer appearance of the hemispherical shell (1), and a female mold discharge groove (503) arranged between the edge of the female mold core (502) and the edge of the upper side of the female mold base (501).

7. A shell structure type filler manufacturing tool according to claim 6, wherein a plurality of positioning bosses (9) are provided on the base (4), and positioning grooves (504) adapted to the plurality of positioning bosses (9) are provided at the bottom of the female die base (501).

8. A tool for manufacturing a filling of the shell structure type according to claim 6, wherein the punch (8) comprises a punch base (801), a punch core, and a punch relief groove (803) disposed opposite to the die relief groove (503), the punch core comprising a first punch platform (802) disposed on the punch base (801) for forming the fitting filling recess (2), and a plurality of second punch platforms (804) disposed on the first punch platform (802) for forming the fitting filling hole (3).

9. A shell structure type filler manufacturing tool according to claim 5, wherein the support (6) is an inverted L-shaped support, and a mounting hole is formed through the top extending end of the inverted L-shaped support, a linear bearing (11) is arranged in the mounting hole, and the slide rod (7) is slidably arranged in the linear bearing (11).

10. A shell structure type filler manufacturing tool in accordance with claim 5, wherein said press rod assembly comprises a connecting rod (12), an insert cylinder (13), and a rod shank (14);

two ends of the connecting rod (12) are respectively hinged with the base (4) and the end part of the inserting cylinder (13);

the outer wall of the inserting cylinder (13) is hinged with the end part of the sliding rod (7);

one end of the rod handle (14) is inserted into the insertion cylinder (13), and the other end of the rod handle extends out of the insertion cylinder (13).

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