CN214656763U - Wheel milling device for directionally grooving hard bedrock on upper pile and lower wall - Google Patents

Abstract

The application discloses a wheel milling device for directionally grooving hard bedrock on an upper pile and a lower wall, which comprises an outer frame, a base and a swing arm, wherein the outer frame is placed in a hole and plays a supporting role and is of a barrel-shaped structure with one open end; a hydraulic base is arranged on the inner side wall of the outer frame, a hydraulic rod is hinged to the hydraulic base, and the free end of the hydraulic rod is hinged to the middle of the swing arm through a shaft pin; and an open slot for avoiding the swinging hydraulic milling wheel is further formed in the position, close to the opening end of the outer frame, of the side wall of the outer frame, which is located on the opposite side of the hydraulic base. The utility model discloses depth of work is unrestricted, can remain the cutting through the construction mode of ally oneself with the round hole with the bed rock of various operating modes and get rid of, reliable and stable, easy operation.

Description

Wheel milling device for directionally grooving hard bedrock on upper pile and lower wall

Technical Field

The invention relates to the field of mechanical equipment, in particular to the technical field of cutting devices or equipment for underground operation, and particularly relates to a wheel milling device for directional grooving of hard bedrock on an upper pile and a lower wall.

Background

With the development and utilization of hydropower in China, a large number of hydropower station projects are built in recent years, and in the construction projects of the hydropower stations, the reinforcement and seepage prevention of foundations are indispensable links. Each hydropower station is provided with a flood discharge channel, and an open channel guide wall of the flood discharge channel bears the scouring of water and silt for a long time, especially bears the large-flow scouring of flood water in the flood season, and has destructive influence on the guide wall.

After a certain hydropower station operates for more than 4 years, the local foundation of the guide wall is discovered to be eroded and hollowed, the safety of part of the guide wall is affected, and the long-term stable and safe work is endangered. Through site survey studies, a construction plan is specified. As the building on the upper part of the open channel guide wall is still in place, the construction scheme determines that holes are drilled in the guide wall to the hard bedrock below the guide wall, and the holes are drilled to be communicated with each other, so that an impervious wall is formed on the lower part of the guide wall to prevent scouring of flood discharge. Because construction engineering is underground and hidden, do not accord with the equipment of getting through hole and hole in the basement rock in the existing market, consider that the rigidity of stereoplasm basement rock and underground space are narrow and small, if adopt reaming equipment in tens meters depths underground, get through hole and hole, it is with high costs, the efficiency of construction is low. Aiming at the current situation, a single-wheel milling structure for directional grooving of hard bedrock on an upper pile and a lower wall and a realization method thereof are provided, research is carried out, and the aim is to research equipment and a method which are in accordance with rapid construction and have high economic benefit and ensure that engineering is smoothly carried out.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that current spillway leads the wall and is washed the foundation unstability that exists for a long time, infiltration to and the serious reduction of intensity, this application provides a wheel milling device that is used for the directional grooving of pile foundation hard bed rock down, can be through boring and arranging the hole and passing through on leading the wall the utility model discloses realize getting through between hole and the hole to pour the cut-off wall, realize stopping and strengthening the flood discharge water-washed, improve the foundation intensity and the antiscouring of leading the wall bottom, the corrosivity.

Before describing the present invention in detail, in order to fully and thoroughly understand the beneficial technical effects of the present invention, the applicant firstly describes the application scenario of the present invention briefly.

The utility model provides a wheel milling device is to the special invention creation that the wall restoration of spillway leads in the water and electricity basic project was consolidated and was provided. The guide wall is a concrete partition wall located on a flood discharge passage and connected with a dam body, the bottom of the guide wall is built on riverbed bedrock, the flood discharge passage is high in water flow speed and seriously erodes the riverbed at the bottom of the guide wall, so that the bottom of the guide wall is hollowed or eroded in different degrees in a long-term erosion process, the bottom of the guide wall is enabled to leak, in order to realize reinforcement and repair, pouring and filling are needed to be carried out on the bedrock eroded and damaged at the bottom of the guide wall again, a closed concrete wall body is formed again, and structural support, seepage prevention and scour prevention are realized. In order to realize the pouring of the lower part of the guide wall, a wall space needs to be arranged in bedrock; the operating method who adopts is through boring to the target depth degree from leading the wall, and repeated boring forms the round bar, is utilizing at last the utility model discloses reject the remaining bedrock between two adjacent holes, pour the concrete in the bedrock at last, form one cut-off wall to the problem that the solution leads the wall lower part and is corroded the destruction.

The key that above-mentioned operating method realized just needs to rely on the utility model provides a wheel milling device realizes.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

a wheel milling device for directionally grooving hard bedrock on an upper pile and a lower wall comprises an outer frame which is placed in a hole and has a supporting function and is of a barrel-shaped structure with one open end, wherein the bottom in the outer frame is fixedly connected with a base, the base is hinged with a swing arm, and the free end of the swing arm is rotatably connected with a hydraulic milling wheel; a hydraulic base is arranged on the inner side wall of the outer frame, a hydraulic rod is hinged to the hydraulic base, and the free end of the hydraulic rod is hinged to the middle of the swing arm through a shaft pin; and an open slot for avoiding the swinging hydraulic milling wheel is further formed in the position, close to the opening end of the outer frame, of the side wall of the outer frame, which is located on the opposite side of the hydraulic base.

As the preferred structure setting, the outer bottom of outer frame is evenly provided with a plurality of first hydraulic positioning mechanisms that are used for fixing along the circumference outer frame is on the downthehole wall, outer frame is close to open slot one end and evenly is provided with a plurality of second hydraulic positioning mechanisms along the circumference. And a U-shaped fork used for mounting the hydraulic milling wheel is arranged at the free end of the swing arm.

Preferably, the outer bottom of the outer frame is also provided with a lifting lug for binding a pull rope; the side wall of the outer frame is provided with at least one wiring hole for the liquid pressure pipeline to pass through. First hydraulic positioning mechanism and second hydraulic positioning mechanism adopt the same structure setting and all include with outer frame fixed connection's installing support and horizontal fixation set up second hydraulic stem on the installing support.

Further preferably, for convenient operation, to different project operating mode demands, adopt intermittent type nature construction or continuity construction, the free end of second hydraulic stem is provided with the contact, the contact terminal surface adopts the fixed knot who is provided with anti-skidding line to construct or adopts the roll structure who is provided with the gyro wheel.

Advantageous effects

1. At present, in the market, few equipment which is used for communicating a pile hole with the pile hole in underground bedrock is available, especially hard bedrock and narrow underground space environment are faced, and if reaming equipment is adopted in the depth of dozens of meters underground, the equipment is huge, the cost is high, and the construction efficiency is not high.

2. The scheme provides reliable, quick and safe construction equipment and an implementation method thereof, and realizes the through among pile holes of hard bedrock in a deep hole of the bedrock which is dozens of meters deep underground or even deeper.

3. The equipment is compact in structure, stable in operation and high in construction efficiency, a plurality of auxiliary positioning oil cylinders are arranged on the equipment from top to bottom, and the stability of the equipment in the operation of the deep hole is guaranteed, so that the quality and the safety of construction are guaranteed.

4. The equipment utilizes the cylindrical cavity to hide all parts, and particularly, the hydraulic milling wheel of important parts cannot be collided by the outside in the hoisting and lowering processes of the equipment, so that the core parts are well protected, and the service life of the core parts is prolonged.

5. The core component milling device adopts the hydraulic milling wheel assembly, has the characteristic of high efficiency when facing the construction of hard bedrock, and can convey milled small stone blocks to the ground through a pump when in construction, so that the hole cleaning operation is carried out in the holes, the subsequent pouring of concrete in the holes is convenient, and the purpose of shortening the whole construction period is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a structural diagram of the hydraulic milling wheel of the present invention in a swing-in state;

FIG. 2 is a block diagram of the hydraulic milling cutter of FIG. 1 in a swung out position;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a front view of FIG. 1;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a sectional view taken along the line A-A in FIG. 5;

FIG. 7 is a cross-sectional view of the hydraulic milling cutter wheel of FIG. 6 in a swung-out position;

FIG. 8 is a schematic view of the present invention in a single-wheel use state;

fig. 9 is a schematic view of the present invention in a dual-wheel use state.

In the figure: 1-an outer frame; 2-a base; 3-swinging arm; 4-axle pin; 5-U-shaped fork; 6-hydraulic milling wheel; 7-a first hydraulic lever; 8-a hydraulic base; 9-a first hydraulic positioning mechanism; 10-lifting lugs; 11-open slots; 12-a second hydraulic positioning mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

a wheel milling device for directionally grooving hard bedrock on an upper pile and a lower wall comprises an outer frame 1 which is placed in a hole to play a supporting role and is of a barrel-shaped structure with one open end, wherein the bottom in the outer frame 1 is fixedly connected with a base 2, the base 2 is hinged with a swing arm 3, and the free end of the swing arm 3 is rotatably connected with a hydraulic milling wheel 6; a hydraulic base 8 is arranged on the inner side wall of the outer frame 1, a hydraulic rod 7 is hinged to the hydraulic base 8, and the free end of the hydraulic rod 7 is hinged to the middle of the swing arm 3 through a shaft pin 4; the side wall of the outer frame 1 is positioned at the position, close to the opening end of the outer frame 1, of the opposite side of the hydraulic base 8, and an opening groove 11 for avoiding the swinging hydraulic milling wheel 6 is further formed in the position.

The working principle and the using method are as follows:

the wheel milling device provided by the embodiment is shown in fig. 1-7, and when the wheel milling device is used, the use scene is shown in fig. 8 and 9.

One embodiment is a single-wheel cutting method as shown in fig. 8:

firstly, the wheel milling device is placed at the bottom of a drilled hole, an operator can hold a hydraulic pipe connected with the wheel milling device by a hand to realize the placement by using an unshown or bound pull rope, the wheel milling device is arranged at a preset depth, the direction of the hydraulic milling wheel 6 is marked before the wheel milling device is placed, the orientation is ensured to be aligned to the direction of an adjacent hole, and the hydraulic oil pipe can be ensured to have strength and cannot rotate in the placement process. When the wheel milling device is arranged to a preset depth, the hydraulic mechanism communicated with the wheel milling device drives the hydraulic rod 7 to extend, so that the swing arm 3 swings out, the swinging length is determined according to the actual working condition, if the bedrock is seriously eroded, the swinging arm can swing out to the maximum position at one time, and the operation is generally carried out in a gradually swinging mode. In actual operation, the oil pressure can be read through the hydraulic mechanism so as to be flexibly controlled by an operator. And secondly, driving the hydraulic milling wheel 6 to rotate through a hydraulic mechanism, so that the hydraulic milling wheel 6 rotates to cut the hole wall. While cutting, the operator always applies a vertical upward force to the hydraulic pipeline, so that the operator gradually moves upward in the cutting process until the whole depth needing to be cut is completed. The specific structure of the hydraulic milling wheel 6 is determined according to the aperture formed in actual construction, and a commercially available hydraulic motor with a relatively small volume can be purchased and installed in the hydraulic milling wheel 6, so that smaller aperture construction is met. Meanwhile, aiming at the working conditions that the hardness of bedrock is high or the cutting amount is large, a hoisting device of a drilling machine or other rigid rod pieces can be connected with a wheel milling device and synchronously placed into a preset depth under the condition allowed by the construction environment, and marking work is required to be carried out to indicate the direction of the hydraulic milling wheel 6 when the hole is drilled.

Meanwhile, a double-wheel simultaneous cutting mode can also be adopted, as shown in fig. 9, specifically: the two adjacent holes are cut simultaneously according to the single-wheel cutting mode, but when the swinging angle of any one wheel milling device is too large to cause mutual collision, the swinging angle of any one hydraulic milling wheel 6 is reduced until collision does not occur. During the best construction mode, two adjacent holes are cut simultaneously but are not in same degree of depth and work for can get through two adjacent holes completely, but the wheel milling device that is located two adjacent holes does not influence each other. When the double-hole simultaneous construction is adopted, the basis for judging whether the hydraulic milling wheels 6 on the two sides collide is to pause one of the wheel milling devices, whether the vibration generated when the adjacent wheel milling devices work is transmitted to the other wheel milling device which does not work, if not, the hydraulic milling wheels 6 are not contacted, and if so, the hydraulic milling wheels 6 collide, and the working depth between the hydraulic milling wheels 6 needs to be adjusted. It should be noted that the working principle of the hydraulic milling wheel 6 and the hydraulic rod 7 that drives the swing arm 3 to swing out as the actuating elements in this embodiment belongs to the prior art, and this embodiment is only a device that uses these basic hydraulic elements to perform improved combination to achieve a new technical effect, and is not described herein again for the hydraulic working principle.

Example 2:

the preferred structural arrangement as embodiment 1 of this embodiment, the outer bottom of outer frame 1 evenly is provided with a plurality ofly along the circumference and is used for fixing outer frame 1 is the first hydraulic positioning mechanism 9 on the downthehole wall, outer frame 1 is close to open slot 11 one end and evenly is provided with a plurality of second hydraulic positioning mechanisms 12 along the circumference. And a U-shaped fork 5 for mounting the hydraulic milling wheel 6 is arranged at the free end of the swing arm 3. A lifting lug 10 for binding a pull rope is further arranged at the outer bottom of the outer frame 1; the side wall of the outer frame 1 is provided with at least one wiring hole for a liquid pressure pipeline to pass through. First hydraulic positioning mechanism 9 and second hydraulic positioning mechanism 12 adopt the same structure setting and all include with outer frame 1 fixed connection's installing support and horizontal fixation set up second hydraulic stem on the installing support. Aiming at the environment with particularly high hardness of bedrock, the wheel milling device needs to be fixed in the cutting process, otherwise, the cutting part deflects due to vibration generated in the cutting process. Aiming at the working condition, the first hydraulic positioning mechanism 9 and the second hydraulic positioning mechanism 12 need to be extended out in advance, so that the wheel milling device is firmly fixed on the inner wall of the hole, and then cutting work is executed; after cutting, the first hydraulic positioning mechanism 9 and the second hydraulic positioning mechanism 12 are released to lift the wheel milling device by a unit length, positioning and cutting are repeated, and the steps are repeated until all the areas to be constructed of the hole are finished. It should be noted that the length of the unit lifted should be smaller than the maximum effective length of the hydraulic milling wheel 6 capable of effectively cutting at a single time, so as to avoid the problem of cutting residue.

Further preferably, for convenient operation, to different project operating mode demands, adopt intermittent type nature construction or continuity construction, the free end of second hydraulic stem is provided with the contact, the contact terminal surface adopts the fixed knot who is provided with anti-skidding line to construct or adopts the roll structure who is provided with the gyro wheel. The rolling structure is set to realize fixation and movement at the same time, so that continuous cutting is facilitated, and compared with discrete repeated construction, the construction efficiency is higher.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (7)

1. The utility model provides a wheel milling device that is used for directional grooving of hard bedrock of wall under last stake which characterized in that: the device comprises an outer frame (1) which is placed in a hole to play a supporting role and is of a barrel-shaped structure with one open end, wherein the bottom in the outer frame (1) is fixedly connected with a base (2), the base (2) is hinged with a swing arm (3), and the free end of the swing arm (3) is rotatably connected with a hydraulic milling wheel (6); a hydraulic base (8) is arranged on the inner side wall of the outer frame (1), a hydraulic rod (7) is hinged to the hydraulic base (8), and the free end of the hydraulic rod (7) is hinged to the middle of the swing arm (3) through a shaft pin (4); the side wall of the outer frame (1) is located at the position, close to the opening end of the outer frame (1), of the opposite side of the hydraulic base (8), and an opening groove (11) used for avoiding and swinging the hydraulic milling wheel (6) is further formed in the position.

2. The wheel milling device for directional grooving of hard bedrock on upper and lower walls according to claim 1, wherein: the outer bottom of outer frame (1) evenly is provided with a plurality ofly along the circumference and is used for fixing outer frame (1) first hydraulic positioning mechanism (9) on the downthehole wall, outer frame (1) is close to open slot (11) one end and evenly is provided with a plurality of second hydraulic positioning mechanism (12) along the circumference.

3. A wheel milling device for directional grooving of hard bedrock on upper pile and lower wall according to claim 1 or 2, characterized in that: and a U-shaped fork (5) for mounting the hydraulic milling wheel (6) is arranged at the free end of the swing arm (3).

4. The wheel milling device for directional grooving of hard bedrock on upper pile and lower wall according to claim 3, characterized in that: the outer bottom of the outer frame (1) is also provided with a lifting lug (10) for binding a pull rope.

5. The wheel milling device for directional grooving of hard bedrock on upper and lower walls according to claim 1, wherein: the side wall of the outer frame (1) is provided with at least one wiring hole for a liquid pressure pipeline to pass through.

6. The wheel milling device for directional grooving of hard bedrock on upper pile and lower wall according to claim 2, characterized in that: the first hydraulic positioning mechanism (9) and the second hydraulic positioning mechanism (12) are arranged in the same structure and both comprise an installation support fixedly connected with the outer frame (1) and a second hydraulic rod horizontally and fixedly arranged on the installation support.

7. The wheel milling device for directional grooving of hard bedrock on upper pile and lower wall according to claim 6, characterized in that: the free end of the second hydraulic rod is provided with a contact head, and the end face of the contact head adopts a fixed structure provided with anti-skid grains or a rolling structure provided with rollers.

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