A two-way wall brushing device for a dowel joint and a method of making and using the same

Abstract

The application is a kind of bidirectional wall brushing device of pile joint and its manufacturing and using method. The bidirectional wall brushing device comprises a top cover, an inner cylinder, an outer cylinder, a reinforcing plate, a steel brush assembly, a vertical through hole, a rope passing hole, a sleeve, a supporting angle steel, a pressing iron, a bolt and nut locking assembly, a pad iron, a limiting steel plate, a socket joint and an exhaust hole. The inner cylinder and the outer cylinder are welded with the top cover through the reinforcing plate and the limiting steel plate to form a framework. The steel wire rope is fixed at the root through the rope passing hole and into the sleeve, and is further fixed at the root by the clamping device composed of the supporting angle steel, the bolt and nut locking assembly, the pressing iron and the pad iron. The other end of the steel wire rope is scattered to form an elastic brush head. The whole wall brushing device is connected with a drill rod through the socket joint, and the drill rod moves up and down to perform wall brushing operation. The overall structure of the application is more consistent with the profile of the pile body, and the wall brushing range is more accurate. The bidirectional wall brushing structure with wall brushing steel brushes on both sides improves the wall brushing efficiency. The steel brush has a margin and an adjustable point, which prolongs the service life of the brush head.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of bored interlocking pile of underground enclosure, in particular to a bidirectional wall brushing device for interlocking pile joint and a manufacturing and using method thereof. BACKGROUND

[0002] The bored interlocking pile enclosure has the advantages of safe structure, good water stop, low reinforcement ratio, flexible construction, small disturbance to stratum and low cost, and is more and more widely used in deep foundation pit engineering. The joint between piles is a weak point of the enclosure leakage. Under the mud wall forming process, the cleaning of mud skin, slag and the like is not complete, which can easily cause the enclosure leakage and endanger the safety of the foundation pit. The interlocking principle of the interlocking pile determines that the number of joints is large, so the cleaning of the joint between piles not only relates to the water stop effect of the enclosure, but also affects the construction progress.

[0003] A patent for invention with the patent announcement number CN 205954628 U discloses a wall brushing device for interlocking pile joint. The wall brushing device is a rectangular structure welded by four equal-angle steels and four rectangular steel plates. Two mutually perpendicular channel steels are welded at the two ends of the wall brushing device. Two arc-shaped steel plates with the same structure are welded to the upper and lower parts of one of the rectangular steel plates of the wall brushing device. Steel wire brushes are arranged between the two arc-shaped steel plates.

[0004] The wall brushing device has the following disadvantages: 1. The square shape does not closely fit the pile wall, and the brush head is easy to exceed the brushing range (interlocking range), which affects the stability of the hole wall; 2. Only two layers of steel wire brushes are arranged, the brushing points are few, and the brushing effect is affected; 3. Only one side is provided with a brushing steel wire, and the interlocking pile needs to brush the interlocking surface on both sides (note: the interlocking pile joint brushing is to brush the interlocking part of the two sides of the I sequence pile after the hole is formed by the II sequence pile, so it is double-sided brushing), the single-sided structure of the wall brushing device needs two brushing surfaces to operate in sequence, which is time-consuming and low in efficiency; 4. The wall brushing device is hoisted by a crane and moves up and down, needs to move away the hole forming equipment after the hole is formed, and then the crane is positioned to operate, which is time-consuming and the crane has poor controllability. SUMMARY

[0005] The present application aims to solve the problems of the prior art, and provides a bidirectional wall brushing device for interlocking pile joint and a manufacturing and using method thereof.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0007] A bidirectional wall brushing device for interlocking pile joint, comprising a top cover, a coaxial inner cylinder and an outer cylinder welded at the bottom of the top cover, a reinforcing plate welded between the front and rear sides of the outer wall of the inner cylinder and the inner wall of the outer cylinder, a plurality of layers of steel brush assemblies symmetrically installed on the left and right side walls of the inner cylinder, and vertical through holes corresponding to the positions of the steel brush assemblies on the left and right side walls of the outer cylinder.

[0008] The upper and lower rows of rope passing holes are arranged on the left and right side walls of the inner cylinder corresponding to each layer of the steel brush assembly, each layer of the steel brush assembly comprises a plurality of steel wire ropes passing through the upper and lower rows of rope passing holes, a sleeve is welded on the inner wall of the inner cylinder corresponding to each rope passing hole, the steel wire rope passes through the sleeve, a supporting angle steel is arranged below each layer of the steel brush assembly on the outer wall of the inner cylinder, a pressing iron is arranged above each layer of the steel brush assembly, a bolt and nut locking assembly is arranged between the supporting angle steel and the pressing iron, and a spacer iron is arranged between the upper and lower rows of steel wire ropes of each layer of the steel brush assembly.

[0009] A limiting steel plate is welded between the inner wall of the outer cylinder and the outer wall of the inner cylinder on the front and rear sides of the steel brush assembly.

[0010] A socket joint is arranged at the middle position of the top of the top cover, and the socket joint is used for being connected with a drill rod.

[0011] A plurality of exhaust holes are arranged on the circumference of the top cover.

[0012] The upper and lower rows of rope passing holes corresponding to each layer of the steel brush assembly are arranged in a staggered quincunx shape.

[0013] The distance between the steel brush assemblies of the adjacent two side layers is 100 mm.

[0014] The diameter of the steel wire rope is not less than 20 mm.

[0015] The diameter of the inner cylinder is 300-400 mm smaller than the diameter of the outer cylinder, and the height of the inner cylinder and the outer cylinder is 1.5 m.

[0016] The manufacturing and using method of the above-mentioned socket joint bidirectional wall brushing device is specifically as follows:

[0017] S1, the diameters of the inner cylinder and the outer cylinder of the wall brushing device are determined according to the size of the pile hole, the diameter of the outer cylinder of the wall brushing device is not greater than the diameter of the pile hole, and the diameter of the inner cylinder is 300-400 mm smaller than the diameter of the outer cylinder, so as to ensure that the length of the wall brushing steel wire rope is 150-200 mm;

[0018] S2, the limiting steel plate is welded on the outer wall of the inner cylinder according to the wall brushing range, so as to ensure the accuracy of the wall brushing range;

[0019] S3, the wall brushing steel wire rope is selected, the diameter of the steel wire rope is not less than 20 mm, the spacing, the number of rows and the number of layers of the rope passing holes in the wall brushing range are determined according to the diameter of the steel wire rope, and are marked on the outer wall of the inner cylinder, then the holes are punched, one layer is formed by two rows of rope passing holes, the net distance between the layers is 100 mm, the two rows of rope passing holes are arranged in a quincunx shape, and the hole spacing is determined according to the diameter of the steel wire rope, so as to be accurate to the steel wire of the steel wire rope after being scattered.

[0020] S4, the sleeve is welded on the inner wall of the inner cylinder on the inner side of the rope passing hole, so as to accommodate the root of the steel wire rope;

[0021] S5, the inner cylinder, outer cylinder with reinforcing plate, limit steel plate connection, and with the top cover welded to form the wall brush skeleton;

[0022] S6, the inner cylinder outer wall below each layer of steel brush assembly is welded with a supporting angle steel, one side of the supporting angle steel is tightly welded with the inner cylinder outer wall, the other side is flush with the bottom of the steel wire rope, and is used to support the steel wire rope;

[0023] S7, install the brush wall steel wire rope, the steel wire rope is inserted into the rope hole and the sleeve from the outer cylinder, is tightly filled with the sleeve plug, is clamped by the pressing iron and the supporting angle steel on the outer cylinder, and is fixed by the bolt and nut locking assembly, and the two rows of steel wire ropes are tightly filled with the spacer iron;

[0024] S8, the brush head side steel wire rope is scattered to form a closely connected brush surface, and the brush surface exceeds the outer wall of the inner cylinder by 100-200mm, so that good wall brushing effect is obtained;

[0025] S9, the socket interface on the top cover of the wall brush is connected to the drill rod of the drilling machine, and the wall brushing operation is carried out by moving up and down the drill rod, and two sides can be brushed simultaneously once up and down;

[0026] S10, when the first use test brushing, the brushing resistance is too large or the brushing effect is poor, the bolt and nut locking assembly at the root of the steel wire rope is loosened, and the length of the steel wire rope is adjusted; after a period of use, when the steel wire rope is seriously worn, the bolt and nut locking assembly at the root of the steel wire rope is loosened, and the steel wire rope in the sleeve is pulled out to compensate for the wear amount, thereby prolonging the service life of the steel brush.

[0027] The beneficial effects of the present application are: the overall structure of the present application is more matched with the pile body contour, and the brushing range is more accurate; the bidirectional wall brushing structure with steel brushes on both sides improves the wall brushing efficiency; the steel brush has a surplus and is provided with an adjustable point, the wear amount can be compensated by adjusting the surplus length, thereby prolonging the service life of the brush head. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a top view of the present application;

[0029] Figure 2 is Figure 1 a sectional view of A-A;

[0030] Figure 3 is Figure 2 an enlarged view of B;

[0031] Figure 4 is a schematic view of the rope hole on the inner cylinder side wall;

[0032] Figure 5 is a schematic view of the drill rod;

[0033] In the diagram: 1-Top cover; 2-Inner cylinder; 3-Outer cylinder; 4-Reinforcing plate; 5-Steel brush assembly; 501-Steel wire rope; 6-Vertical through hole; 7-Rope threading hole; 8-Sleeve; 9-Supporting angle steel; 10-Pressure iron; 11-Bolt and nut locking assembly; 12-Shim; 13-Limiting steel plate; 14-Socket interface; 15-Drill rod; 16-Vent hole;

[0034] The following will describe in detail, with reference to the accompanying drawings, embodiments of the present invention. Detailed Implementation

[0035] The principles and features of the present invention are described below with reference to the accompanying drawings. The examples given are for illustrative purposes only and are not intended to limit the scope of the invention. The invention is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the invention will become clearer from the following description. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the invention.

[0036] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0037] Unless otherwise defined, 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 pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0038] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0039] A bidirectional wall brushing device with interlocking post joint, such as Figures 1 to 5 As shown, it includes a top cover 1, an inner cylinder 2, an outer cylinder 3, a reinforcing plate 4, a steel brush assembly 5, a vertical through hole 6, a rope hole 7, a sleeve 8, a supporting angle steel 9, a pressure iron 10, a bolt and nut locking assembly 11, a pad 12, a limiting steel plate 13, a socket joint 14, and a vent hole 16; the socket joint 14 is used to connect with the drill rod 15.

[0040] The bottom of the top cover 1 is welded with the inner cylinder 2 and the outer cylinder 3 arranged coaxially, the front and rear sides of the outer wall of the inner cylinder 2 are welded with the front and rear sides of the inner wall of the outer cylinder 3 with the reinforcing plates 4, the left and right sides of the outer wall of the inner cylinder 2 are symmetrically provided with a plurality of layers of the steel brush assemblies 5, the left and right sides of the outer wall of the outer cylinder 3 are provided with the vertical through holes 6 corresponding to the positions of the steel brush assemblies 5, the left and right sides of the outer wall of the inner cylinder 2 are provided with the upper and lower rows of the rope passing holes 7 corresponding to each layer of the steel brush assemblies 5, each layer of the steel brush assemblies 5 includes a plurality of the steel wire ropes 501 passing through the upper and lower rows of the rope passing holes 7, the inner wall of the inner cylinder 2 is welded with the sleeves 8 corresponding to each of the rope passing holes 7, the steel wire ropes 501 pass through the sleeves 8, the outer wall of the inner cylinder 2 is provided with the supporting angle steels 9 below each layer of the steel brush assemblies 5, the outer wall of the inner cylinder 2 is provided with the press irons 10 above each layer of the steel brush assemblies 5, the supporting angle steels 9 and the press irons 10 are provided with the bolt and nut locking assemblies 11, and the upper and lower rows of the steel wire ropes 501 of each layer of the steel brush assemblies 5 are provided with the pad irons 12.

[0041] The inner cylinder 2 and the outer cylinder 3 are welded with the top cover 1 through the reinforcing plates 4 and the limiting steel plates 13 to form a framework, the steel brush assemblies 5 are made of the waste steel wire ropes 501, and the waste is turned into treasure and the ecology is protected. The steel wire ropes 501 are fixed at the roots by passing through the rope passing holes 7 into the sleeves 8, and the steel wire ropes 501 are further fixed by the clamping device formed by the supporting angle steels 9, the bolt and nut locking assemblies 11, the press irons 10 and the pad irons 12, and the other ends of the steel wire ropes 501 are scattered to form elastic brush heads. The whole wall brushing device is connected with the drill rod 15 through the socket joint 14, the drill rod 15 moves up and down to perform the wall brushing operation, the exhaust holes 16 are punched on the top cover 1 to reduce the resistance of the up and down wall brushing. When the steel brush steel wire ropes 501 are worn and affect the use, the clamping device is loosened, part of the steel wire ropes 501 in the sleeves 8 are pulled out, the wear of the steel brush is compensated, and the service life of the steel brush is prolonged.

[0042] The upper and lower rows of the rope passing holes 7 corresponding to each layer of the steel brush assemblies 5 are staggered and arranged in a plum blossom type.

[0043] The distance between the adjacent two layers of the steel brush assemblies 5 is 100 mm.

[0044] The diameter of the steel wire rope 501 is not less than 20 mm.

[0045] The diameter of the inner cylinder 2 is 300-400 mm smaller than the diameter of the outer cylinder 3, and the height of the inner cylinder 2 and the outer cylinder 3 is 1.5 m.

[0046] The manufacturing and using method of the above-mentioned bite pile joint bidirectional wall brushing device includes the following specific steps:

[0047] S1, the diameters of the inner cylinder 2 and the outer cylinder 3 of the wall brushing device are determined according to the size of the pile hole, the diameter of the outer cylinder 3 of the wall brushing device is not greater than the diameter of the pile hole, the diameter of the inner cylinder 2 is 300-400 mm smaller than the diameter of the outer cylinder 3, so that the length of the wall brushing steel wire rope 501 is 150-200 mm.

[0048] S2, welding the limiting steel plate 13 on the outer wall of the inner cylinder 2 according to the wall brushing range, so as to ensure the accuracy of the wall brushing range;

[0049] S3, selecting the wall brushing steel wire rope 501, the diameter of the steel wire rope 501 is not less than 20 mm, the interval, the row number and the layer number of the rope penetrating hole 7 in the wall brushing range are determined according to the diameter of the steel wire rope 501, and are marked on the outer wall of the inner cylinder 2, then the holes are punched, two rows of the rope penetrating hole 7 are one layer, the net distance between the layers is 100 mm, two rows of the rope penetrating hole 7 are arranged in the shape of plum blossom, and the interval between the holes is determined according to the diameter of the steel wire rope 501, so as to be accurate when the steel wires of the steel wire rope 501 are tightly connected into a row after being scattered;

[0050] S4, welding the sleeve 8 on the inner wall of the inner cylinder 2 on the inner side of the rope penetrating hole 7, so as to insert the root of the steel wire rope 501;

[0051] S5, connecting the inner cylinder 2 and the outer cylinder 3 by the reinforcing plate 4 and the limiting steel plate 13, and welding the inner cylinder 2 and the outer cylinder 3 with the top cover 1 to form the wall brushing device framework;

[0052] S6, welding the supporting angle steel 9 on the outer wall of the inner cylinder 2 below each layer of the steel brush assembly 5, one side of the supporting angle steel 9 is tightly welded with the outer wall of the inner cylinder 2, and the other side is flush with the bottom of the steel wire rope 501, so as to support the steel wire rope 501;

[0053] S7, installing the wall brushing steel wire rope 501, the steel wire rope 501 penetrates into the rope penetrating hole 7 and the sleeve 8 from the outer wall of the inner cylinder 2, is tightly inserted into the sleeve 8 around, is clamped by the pressing iron 10 and the supporting angle steel 9 outside the inner cylinder 2, and is fixed by the bolt and nut locking assembly 11, and the two rows of the steel wire rope 501 are tightly padded by the spacer iron 12;

[0054] S8, scattering the head side steel wire rope 501 to form a tightly connected brush surface, and the brush surface exceeds the outer wall of the inner cylinder 2 by 100-200 mm, so as to obtain a good wall brushing effect;

[0055] S9, connecting the inserting interface 14 on the top cover 1 of the wall brushing device with the drilling rig drill rod 15, and moving up and down through the drill rod 15 to perform the wall brushing operation, and the two sides can be brushed at the same time once up and down;

[0056] S10, when the wall brushing resistance is too large or the wall brushing effect is poor during the first use of the trial brushing, the bolt and nut locking assembly 11 at the root of the steel wire rope 501 is loosened, and the length of the steel wire rope 501 is adjusted, when the steel wire rope 501 is seriously worn after a period of use, the bolt and nut locking assembly 11 at the root of the steel wire rope 501 is loosened, and the steel wire rope 501 in the sleeve 8 is pulled out to compensate for the wear and tear, so as to prolong the service life of the steel brush.

[0057] The present application has the following advantages:

[0058] The overall structure of the wall brush is a cylinder with a diameter similar to that of the pile, which is more closely fitted to the pile body profile. Limiting steel plates 13 are arranged along the wall brushing line (occlusal line) to make the wall brushing range more accurate and avoid disturbance to the hole wall outside the wall brushing range;

[0059] The bidirectional wall brushing structure with wall brushing steel brushes on both sides improves the wall brushing efficiency;

[0060] The number of rows and points of the steel brush is increased, the brushing points are more dense, and the wall brushing effect is better;

[0061] The waste steel wire rope 501 can be used as the brushing point, the material is easy to obtain, waste is turned into treasure, and it is more environmentally friendly;

[0062] The steel brush (steel wire rope 501) is left with a margin and has an adjustable point during manufacturing. When the wall brush steel brush is severely worn after a period of use, the wear amount can be supplemented by adjusting the margin length, thereby prolonging the service life of the brush head;

[0063] The wall brush is connected with the drill rod 15 through the socket joint 14, the drill rod 15 moves up and down for operation, the controllability is better, the efficiency is higher, and the wall brush has wide universality.

[0064] The above describes the present application by way of example in conjunction with the drawings. Obviously, the specific implementation of the present application is not limited to the above-described manner, and various improvements using the method concept and technical solution of the present application or direct application to other occasions without improvement are within the protection scope of the present application.

Claims

1. A bidirectional wall brushing device for a dowel joint, comprising a top cover (1), a coaxial inner cylinder (2) and outer cylinder (3) welded at the bottom of the top cover (1), and a reinforcing plate (4) welded between the front and rear sides of the outer wall of the inner cylinder (2) and the inner wall of the outer cylinder (3), characterized in that, A plurality of steel brush assemblies (5) are symmetrically arranged on the left and right side walls of the inner cylinder (2), and vertical through holes (6) corresponding to the steel brush assemblies (5) are formed on the left and right side walls of the outer cylinder (3); A plurality of steel wire ropes (501) are arranged in the upper and lower rows of rope penetrating holes (7) corresponding to each layer of the steel brush assembly (5), and a sleeve (8) is welded on the inner wall of the inner cylinder (2) corresponding to each rope penetrating hole (7), the steel wire rope (501) is arranged in the sleeve (8), a supporting angle steel (9) is arranged below each layer of the steel brush assembly (5) on the outer wall of the inner cylinder (2), a pressing iron (10) is arranged above each layer of the steel brush assembly (5), a bolt and nut locking assembly (11) is arranged between the supporting angle steel (9) and the pressing iron (10), and a spacer iron (12) is arranged between the upper and lower rows of steel wire ropes (501) of each layer of the steel brush assembly (5); The limiting steel plates (13) are welded on the inner wall of the outer cylinder (3) and the outer wall of the inner cylinder (2) on the front and rear sides of the steel brush assembly (5); a socket joint (14) is arranged at the middle position of the top of the top cover (1), and the socket joint (14) is used for connecting with a drill rod (15); a plurality of exhaust holes (16) are formed in the circumference of the top cover (1); the upper and lower rows of rope penetrating holes (7) corresponding to each layer of the steel brush assembly (5) are staggered and arranged in a quincunx shape; the distance between the adjacent two layers of the steel brush assembly (5) is 100mm; the diameter of the steel wire rope (501) is not less than 20mm; the diameter of the inner cylinder (2) is smaller than the diameter of the outer cylinder (3) by 300-400mm, and the height of the inner cylinder (2) and the outer cylinder (3) is 1.5m; the steel brush assembly (5) is made of waste steel wire rope.

2. The method of claim 1, wherein the method further comprises: The specific steps are as follows: S1, the diameters of the inner cylinder (2) and the outer cylinder (3) of the wall brushing device are determined according to the size of the pile hole, the diameter of the outer cylinder (3) of the wall brushing device is not greater than the diameter of the pile hole, and the diameter of the inner cylinder (2) is smaller than the diameter of the outer cylinder (3) by 300-400mm, so as to ensure that the length of the wall brushing steel wire rope (501) is 150-200mm; S2, the limiting steel plate (13) is welded on the outer wall of the inner cylinder (2) according to the wall brushing range, so as to ensure the accuracy of the wall brushing range; S3, the wall brushing steel wire rope (501) is selected, the diameter of the steel wire rope (501) is not less than 20mm, the spacing, the number of rows and the number of layers of the rope penetrating hole (7) in the wall brushing range are determined according to the diameter of the steel wire rope (501), and are marked on the outer wall of the inner cylinder (2), then the hole is punched, the two rows of rope penetrating holes (7) are one layer, the net distance between the layers is 100mm, the two rows of rope penetrating holes (7) are arranged in a quincunx shape, and the hole spacing is determined according to the diameter of the steel wire rope (501), so as to be close to each other after the steel wire of the steel wire rope (501) is scattered and connected into a row; S4, the sleeve (8) is welded on the inner wall of the inner cylinder (2) on the inner side of the rope penetrating hole (7), so as to insert the root of the steel wire rope (501); S5, the inner cylinder (2) and the outer cylinder (3) are connected by the reinforcing plate (4) and the limiting steel plate (13), and are welded with the top cover (1) to form a wall brushing device framework. S6, the inner cylinder (2) outer wall below each layer of steel brush assembly (5) welded support angle steel (9), support angle steel (9) one side with the inner cylinder (2) outer wall tightly welded, the other side with the steel wire rope (501) bottom flush, in order to support the steel wire rope (501); S7, install brush wall steel wire rope (501), steel wire rope (501) from the inner cylinder (2) outside into the rope hole (7), sleeve (8), around with sleeve (8) tightly, in the inner cylinder (2) outside with the pressure iron (10) and support angle steel (9) clamp steel wire rope (501), and through the bolt and nut locking assembly (11) fixed, two rows of steel wire rope (501) between the set pad iron (12) pad tightly; S8, the brush head side steel wire rope (501) scattered to form a close connection of brush surface, brush surface beyond the inner cylinder (2) outer wall 100-200mm, in order to obtain good brush wall effect; S9, the brush wall device top cover (1) on the socket joint (14) connected on the drilling rig drill pipe (15), through the drill pipe (15) up and down movement for brush wall operation, once up and down can brush two sides at the same time; S10, the first use of test brush, brush wall resistance is too large or brush wall effect is poor, loosen the bolt and nut locking assembly (11) at the root of the steel wire rope (501), adjust the length of the steel wire rope (501); after a period of use, the steel wire rope (501) wear seriously, loosen the bolt and nut locking assembly (11) at the root of the steel wire rope (501), pull out the steel wire rope (501) in the sleeve (8) to compensate for the wear and tear, prolong the service life of the steel brush.

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