CN213476998U

CN213476998U - Scouring and grabbing machine for weir plug body impervious wall construction and scouring and grabbing drilling tool thereof

Info

Publication number: CN213476998U
Application number: CN202021882699.6U
Authority: CN
Inventors: 肖恩尚; 宋伟; 孙仲彬; 赵明华; 陈红刚; 张裕文
Original assignee: Sinohydro Foundation Engineering Co Ltd
Current assignee: Sinohydro Foundation Engineering Co Ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-18
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a weir plug body cut-off wall construction is with dashing machine of grabbing and dashing drilling tool thereof dashes and grabs the drilling tool and includes: for mounting on a percussion drill or a crane, comprising: a cylindrical drill body, the top of which is connected with a percussion drill or a crane, the lower part of which is open and is provided with a plurality of chisels; the grab bucket is provided with a grabbing claw and a connecting arm, and one end of the connecting arm is hinged with the grabbing claw; the connecting mechanism is provided with a connecting piece which is used for being fixedly connected with the other ends of the connecting arms of the pair of grab buckets respectively; and the spring is connected with the connecting mechanism and is used for automatically opening the pair of grab buckets by utilizing the elastic force of the drilling tool when the drilling tool falls. The utility model discloses a dash machine of grabbing and drilling tool thereof can adapt to the complicated stratum of weir cock body, realizes the breakage to the stratum and snatchs the function, and the low price improves cut-off wall grooving efficiency of construction, shortens construction cycle, practices thrift the wall-making cost.

Description

Scouring and grabbing machine for weir plug body impervious wall construction and scouring and grabbing drilling tool thereof

Technical Field

The utility model relates to a hydraulic and hydroelectric engineering field especially relates to a weir plug body cut-off wall construction is with dashing machine of grabbing and dashing drilling tool thereof.

Background

The damming body is formed by earthquake collapse and landslide, and because the damming lake remediation is in need, the damming body remediation needs to take the working ideas of simultaneous research, simultaneous design and simultaneous remediation, and needs to implement danger removal and flood control projects such as damming body remediation as soon as possible. The damming body renovation is to carry out anti-seepage treatment and partial slope renovation on the damming body, the damming base and the bank slope at two sides, and the damming body anti-seepage treatment adopts the combination of anti-seepage wall and curtain grouting.

For the dam body, the prior treatment engineering experience mainly aims at removing and dredging water flow, but for the dam body with huge volume formed by super-huge collapse, the removal cost is very high, and a proper field is difficult to find near an engineering address for piling so many piled bodies, so if the dam body can be fully utilized, the dam body is directly formed by utilizing the dam body, the harm and the benefit can be removed, and the waste is changed into the valuable.

At present, percussion drilling machines, grab buckets and double-wheel type slot milling machines are mostly adopted for grooving in the construction of hydropower foundation diaphragm wall engineering in China, the equipment has advantages and disadvantages for different stratums, the grab buckets and the double-wheel type slot milling machines can not exert the advantages of the stratum containing harder and massive rocks or even can not exert the functions completely, the grab buckets and the double-wheel type slot milling machines mainly depend on import from foreign countries at present, the equipment and accessories are very expensive, and the equipment and the accessories are difficult to adapt to the current national conditions in China. Although the impact drilling machine has strong adaptability, the construction efficiency is very low, and for the geological conditions of a damming body that the maximum depth of the impervious wall exceeds 130m, the thickness of the wall body exceeds 1.0m, the content of the boulder exceeds 50%, the maximum particle size of the boulder exceeds 15 m, the overhead phenomenon is serious, and the stratum is not deposited and cemented, the adverse conditions cause great difficulty for the construction of the impervious wall, and the impact drilling machine in the prior art can not be suitable.

Disclosure of Invention

The utility model aims at overcoming the problem that above-mentioned prior art exists, provide a weir plug body cut-off wall construction is with dashing machine of grabbing, can adapt to the complicated stratum of weir plug body, realize the breakage to the stratum and snatch the function, the low price improves cut-off wall grooving efficiency of construction, shortens construction cycle, practices thrift the wall-building cost.

In order to realize the above object of the utility model, an aspect of the utility model provides a drilling tool is grabbed with dashing to weir plug body cut-off wall construction for install on percussion drill or crane, it includes: a cylindrical drill body, the top of which is connected with a percussion drill or a crane, the lower part of which is open and is provided with a plurality of chisels; the grab bucket is provided with a grabbing claw and a connecting arm, and one end of the connecting arm is hinged with the grabbing claw; the connecting mechanism is provided with a connecting piece which is used for being fixedly connected with the other ends of the connecting arms of the pair of grab buckets respectively; and the spring is connected with the connecting mechanism and is used for automatically opening the pair of grab buckets by utilizing the elastic force of the drilling tool when the drilling tool falls.

Wherein the grapple claw of the grapple includes a grapple portion having an arc shape.

Further, the grab of the grab bucket further comprises a connecting part connected with the grab part through a fixed pin shaft.

Wherein, the connecting part is articulated with the connecting arm.

Wherein the grip portion is hinged to the connecting arm.

Furthermore, the bucket closing connecting piece is hinged with the holding part or the connecting arm.

Furthermore, the device also comprises a lifting pin which is arranged on the connecting piece of the connecting mechanism and is used for connecting the steel wire rope.

Wherein, a plurality of valves are arranged below the drill body.

Preferably, the connecting piece is a connecting rod.

Or the connecting piece is a connecting seat.

Furthermore, the utility model also provides a damming body cut-off wall construction is with dashing machine of grabbing, it includes as above dashing grab the drilling tool.

Compared with the prior art, the utility model discloses weir cock body cut-off wall construction is with dashing machine of grabbing and dashing drilling tool thereof has following beneficial effect:

the utility model discloses a dash and grab machine and dash and grab drilling tool thereof can adapt to the complicated stratum of weir cock body, realizes simultaneously that the breakage to the stratum has good directional stability with snatch the function, the low price, construction speed is higher than the percussion drill far away, can replace percussion drill even, improves cut-off wall grooving efficiency of construction, makes cut-off wall's construction cycle shorten, practices thrift and makes the wall cost.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

Drawings

FIG. 1 is a first schematic structural view of a percussion and gripping drilling tool according to the present invention;

FIG. 2 is a second schematic view of the present invention;

FIG. 3 is a third structural schematic diagram of the percussion and gripping drilling tool of the present invention (only the drill body is shown);

FIG. 4 is a fourth structural diagram of the drilling tool (only the drill body is shown) according to the present invention;

FIG. 5 is a fifth structural schematic diagram of the percussion and gripping drilling tool of the present invention (only the drill body is shown);

FIG. 6 is a sixth schematic view of the present invention;

fig. 7 is a left side view of the ramjet tool of fig. 6.

Detailed Description

For the complicated stratum of adaptation weir cock body, improve cut-off wall grooving efficiency of construction, make the construction cycle of cut-off wall shorten to practice thrift the wall cost, the utility model provides a can realize simultaneously that the weir cock body cut-off wall construction of ground breakage and snatching the function is with dashing and grabbing the drilling tool, it can be installed on percussion drill like the drilling tool of conventional percussion drill, can hoist and mount on the crane that has the function of putting soon even through wire rope.

Specifically, as shown in fig. 1-7, do respectively the utility model provides a six kinds of schematic structural diagrams of drilling tool are grabbed with dashing to damming body cut-off wall construction, can know by the picture, the utility model discloses a drilling tool is grabbed with dashing includes: a cylindrical drill body 1, the top of which is connected to a hammer drill or a crane, the lower part of which is open and the outer wall of which is provided with a plurality of chisels 2; a pair of grab buckets which are arranged inside the drill body 1 and can be opened or closed, wherein each grab bucket is provided with a grabbing claw 4 and a connecting arm 11 with one end hinged with the grabbing claw 4; a connecting mechanism having a connecting member 12 for fixedly connecting the other ends of the pair of grapple connecting arms 11, respectively; and a spring 5 connected with the connecting mechanism and used for automatically opening the pair of grab buckets by using the elastic force of the drilling tool when the drilling tool falls.

Wherein, the utility model discloses a 1 outside of the brill body has a plurality of chisel cutters 2, when the drilling tool whereabouts, realize the crushing function to the stratum through boring 1 and a plurality of chisel cutters 2 of 1 outside of the brill body, and it has a pair of grab bucket to settle at 1 inside of the brill body, when the drilling tool whereabouts, a pair of grab bucket can be opened automatically, when the drilling tool lifts, but a pair of grab bucket is automatic closed under the effect of dead weight, thereby realize snatching the function by the broken thing after, namely, realize two kinds of functions of a drilling tool, the problem of adopting the broken stratum of percussion drill among the prior art earlier, adopt the grab bucket machine to snatch broken thing again, reduce process and construction equipment, greatly improve efficiency of construction and construction equipment purchasing cost.

Wherein, the utility model discloses a grab bucket can adopt as shown in fig. 1 structure, and it is held claw 4 including being curved portion of holding and holding the connecting portion of portion through fixed pin axle 3 connection with holding, and connecting portion pass through the loose pin hub connection with linking arm 11.

Or, the grab bucket of the present invention can also adopt the structure as shown in fig. 2, and the grab claw 4 includes a grab part in the shape of an arc, and the grab part is connected with the connecting arm 11 through a movable pin shaft. Correspondingly, the grab bucket connecting piece 9 is hinged with the holding part or the connecting arm, so that the grab bucket is driven to open or close by the descending or lifting action of the grab bucket connecting piece 9.

Wherein, the utility model discloses a coupling mechanism can adopt as shown in fig. 1 structure, and its connecting piece is connecting rod 12, and the bottom of connecting rod 12 and a pair of linking arm 11 are through the round pin hub connection. In order to facilitate the connection with the crane, a suspension pin 6 for connecting the wire rope is installed on the connecting rod 12, and the spring 5 is sleeved above the connecting rod 12 where the suspension pin 6 is arranged. In order to apply acting force to the spring 5, a through hole can be arranged in the center of the top of the drill body 1 during design, the upper part of the connecting rod 12 can penetrate through the through hole, and the size of the through hole is smaller than the outer diameter of the spring 5, so that the spring 5 can be supported through the inner wall of the top of the drill body 1.

Or, the connection mechanism of the present invention may adopt the structure as shown in fig. 6 and fig. 7, the connection member is a connection seat 13, and the connection seat 13 is connected to the pair of connection arms 11 through a pin. In order to apply an acting force to the spring 5, during design, a first seat 15 and a second seat 16 located above the first seat 15 may be disposed inside the drill body 1, a through hole is formed in the center of the first seat 15 and the center of the second seat 16, a slide rod 14 is fixedly mounted on the upper portion of the connecting seat 13, the slide rod 14 may pass through the through hole in the center of the first seat 15 and the center of the second seat 16, and the spring is sleeved on the slide rod 14 and located between the first seat 15 and the second seat 16, and may abut against the spring 5 through the lower wall of the second seat 16.

The drill body 1 of the present invention may be the one shown in fig. 1 and 2, or the one shown in fig. 3, 4 and 5, that is, the lower portion of the drill body 1 may be provided with a plurality of shutters 8 in addition to the chisel 2.

The utility model discloses except providing foretell weir cock body cut-off wall construction with dashing grab the drilling tool, still provide the dashing that has above-mentioned drilling tool and grab the drilling tool, except dashing grabbing the drilling tool, the structure of all the other parts all can adopt prior art to dash the structure of grabbing the drilling tool, and its and dashing the connected mode that can adopt the prior art drilling tool of grabbing the drilling tool.

Although the above is the detailed description of the present invention, the present invention is not limited thereto, and those skilled in the art can modify the principle of the present invention, therefore, various modifications performed according to the principle of the present invention should be understood as falling into the protection scope of the present invention.

Claims

1. The utility model provides a drilling tool is grabbed with dashing to damming body cut-off wall construction for install on percussion drill or crane, its characterized in that includes:

a cylindrical drill body, the top of which is connected with a percussion drill or a crane, the lower part of which is open and is provided with a plurality of chisels;

the grab bucket is provided with a grabbing claw and a connecting arm, and one end of the connecting arm is hinged with the grabbing claw;

the connecting mechanism is provided with a connecting piece which is used for being fixedly connected with the other ends of the connecting arms of the pair of grab buckets respectively;

and the spring is connected with the connecting mechanism and is used for automatically opening the pair of grab buckets by utilizing the elastic force of the drilling tool when the drilling tool falls.

2. The percussion drilling tool according to claim 1, wherein the grapple's grapple comprises a curved grapple.

3. The percussion drilling tool according to claim 2, wherein the grapple of the grapple further comprises a connection part connected with the grapple by a fixed pin shaft.

4. The percussion drilling tool according to claim 3, wherein the connection portion is hinged to the connection arm.

5. The percussion drilling tool according to claim 2, wherein the grip portion is hinged to the connecting arm.

6. The percussion drilling tool of claim 5, further comprising a bucket coupler hingedly connected to the grip or the link arm.

7. The percussion drilling tool according to claim 1, further comprising a hanger pin for connecting a wire rope mounted on a connector of the connection mechanism.

8. The percussion drilling tool according to any one of claims 1-7, wherein a plurality of flaps are provided below the drill body.

9. The percussion and grab drilling tool of claim 1, wherein the connector is a connecting rod or a connecting socket.

10. A grab machine for use in the construction of barrier diaphragm cut-off walls, characterized by comprising a grab drilling tool as claimed in any one of claims 1 to 9.