CN216339079U

CN216339079U - Chiseling device for large-area high-strength steel fiber concrete bridge deck

Info

Publication number: CN216339079U
Application number: CN202123118208.8U
Authority: CN
Inventors: 刘继龙; 张广; 秦臻; 徐萌萌
Original assignee: Fifth Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
Current assignee: Fifth Engineering Co Ltd of China Railway 17th Bureau Group Co Ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-04-19
Anticipated expiration: 2031-12-13

Abstract

The utility model particularly relates to a chiseling device for a large-area high-strength steel fiber concrete bridge deck, which solves the problems of low efficiency and insufficient chiseling when the existing chiseling machine is used for chiseling the high-strength steel fiber concrete bridge deck. A chiseling device for a large-area high-strength steel fiber concrete bridge deck slab is characterized in that a roller is arranged at the left end of a triangular support, and a connecting upright post and a mounting plate are fixed on the upper surface of the triangular support; a fixed frame is arranged at the right end part of the triangular support, a movable frame is arranged on the right side of the fixed frame, and an air pick is clamped between the fixed frame and the movable frame; the bottom of the air pick is provided with a scabbling hammer; the upper part of the connecting upright post is fixedly connected with a handrail; an air inlet pipeline is arranged on the triangular bracket; the rear part of the triangular bracket is provided with a water inlet pipe, and the right end part of the water inlet pipe is provided with a spray head. The utility model realizes the purpose of rapid chiseling, has good chiseling effect, effectively improves the chiseling efficiency and is suitable for large-area high-strength steel fiber concrete bridge decks.

Description

Chiseling device for large-area high-strength steel fiber concrete bridge deck

Technical Field

The utility model relates to a roughening device for bridge construction, in particular to a roughening device for a large-area high-strength steel fiber concrete bridge deck.

Background

In bridge engineering, after concrete bridge decks are poured, chiseling treatment is carried out when the strength of concrete reaches 90%, floating slurry of the bridge decks is required to be chiseled until fresh concrete aggregate is exposed, chiseling is not carried out too deeply, or top chiseling is not carried out to form a pit groove, and a smooth and well exposed combined surface is achieved as far as possible. Conventional chisels are most commonly chiseled in an impact vibration mode.

Practice shows, however, that the existing chiseling machine has the problems of low efficiency and insufficient chiseling when being used for chiseling treatment of high-strength steel fiber concrete bridge panels, and is difficult to meet construction requirements. Therefore, it is necessary to invent a roughening device for a large-area high-strength steel fiber concrete bridge deck to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a roughening device for a large-area high-strength steel fiber concrete bridge deck, aiming at solving the problems of low efficiency and insufficient roughening of the existing roughening machine when the existing roughening machine is used for roughening the high-strength steel fiber concrete bridge deck.

The utility model is realized by adopting the following technical scheme:

a chiseling device for a large-area high-strength steel fiber concrete bridge deck comprises a horizontally placed triangular support, wherein rollers are arranged at the left rear end part and the left front end part of the triangular support, a connecting upright post is fixed in the middle of the upper surface of the triangular support, and a longitudinal vertical mounting plate is fixed at the right part of the upper surface of the triangular support; the right end part of the triangular support is provided with a fixed frame fixedly connected with the triangular support, the right side of the fixed frame is provided with a movable frame, the rear part of the movable frame is hinged with the fixed frame, a vertically placed pneumatic pick is clamped between the fixed frame and the movable frame, and the front part of the fixed frame is fixedly connected with the front part of the movable frame through a fastening bolt; the upper part of the air pick is fixedly connected to the mounting plate through a screw rod; the bottom of the air pick is provided with a scabbling hammer; the upper part of the connecting upright post is fixedly connected with a transversely placed handrail, and the right part of the handrail is fixedly connected with the top end part of the air pick; an air inlet pipeline is arranged above the triangular support, and an outlet of the air inlet pipeline is communicated with an air inlet of the air pick; the rear part of the triangular bracket is provided with a transversely arranged water inlet pipe, the left side of the water inlet pipe is provided with a water supply hose communicated with the water inlet pipe, the left end part of the water inlet pipe is provided with a water inlet valve, and the right end part of the water inlet pipe is provided with a spray head which is positioned at the right side of the chiseling hammer and has a downward spray nozzle.

Furthermore, the air inlet pipeline comprises an I air inlet pipeline and an II air inlet pipeline which are distributed left and right, and an oil injector is arranged between the I air inlet pipeline and the II air inlet pipeline; the inlet of the first air inlet pipeline is connected with the air compressor, and the outlet of the first air inlet pipeline is connected with the left end part of the oil ejector; the inlet of the II air inlet pipeline is connected with the right end part of the oil injector, and the outlet of the II air inlet pipeline is connected with the air pick; the length of the first air inlet pipeline is greater than that of the second air inlet pipeline, and an air inlet valve is arranged on the first air inlet pipeline.

Furthermore, the chisel hair hammer includes the installation pole of connecting in the pneumatic pick and is located the chisel hair hammer body that installation pole bottom and bottom surface have a plurality of lugs, and installation pole and chisel hair hammer body are the integrative structure of being made by the tungsten steel carbide.

Furthermore, an annular rubber pad closely attached to the outer wall of the machine base of the air pick is arranged between the fixed frame and the movable frame.

Further, the rollers are universal wheels; the water inlet pipe is a water pipe made of stainless steel; the spray head is a copper double-head spray head in threaded connection with the water inlet pipe.

The utility model has reasonable and reliable structural design, realizes the purpose of rapid roughening, has good roughening effect, avoids the problem of insufficient roughening, can simultaneously carry out continuous roughening, is convenient to operate, can realize movable roughening by holding the hand rest rod by an operator, reduces the labor intensity of roughening operation, effectively improves the roughening efficiency, further can remove dust generated by roughening, avoids the dust generated by roughening from damaging the body of the operator, has the advantages of convenient manufacture, convenient maintenance and good damping effect, can be suitable for the fields of roughening, repairing, renovating, secondary reinforcement, metal rust removal and the like of concrete bridge surfaces of expressways, railways and the like, is particularly suitable for roughening concrete bridge surfaces of expressways, railways and the like, has good roughening effect on high-strength steel fiber concrete, can obviously save the operation time and reduce the operators when large-area concrete roughening surfaces are used, the moving is convenient, the chiseling efficiency is high, the chiseling effect is ideal, and the method can be widely applied to the same type of engineering.

Drawings

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

fig. 2 is a schematic view of the construction of the chipping hammer of fig. 1.

In the figure, 1-triangular support, 2-roller, 3-connecting upright post, 4-mounting plate, 5-fixing frame, 6-moving frame, 7-pneumatic pick, 8-fastening bolt, 9-screw, 10-hand rod, 11-water inlet pipe, 12-water supply hose, 13-water inlet valve, 14-nozzle, 15-I air inlet pipe, 16-II air inlet pipe, 17-oil injector, 18-air inlet valve, 19-mounting rod and 20-roughening hammer body.

Detailed Description

A chiseling device for a large-area high-strength steel fiber concrete bridge deck is shown in figure 1 and comprises a horizontally-placed triangular support 1, wherein rollers 2 are arranged at the left rear end part and the left front end part of the triangular support 1, a connecting upright post 3 is fixed in the middle of the upper surface of the triangular support 1, and a longitudinal vertical mounting plate 4 is fixed at the right part of the upper surface; a fixed frame 5 fixedly connected with the triangular support 1 is arranged at the right end part of the triangular support, a movable frame 6 with the rear part hinged with the fixed frame 5 is arranged at the right side of the fixed frame 5, a vertically placed pneumatic pick 7 is clamped between the fixed frame 5 and the movable frame 6, and the front part of the fixed frame 5 is fixedly connected with the front part of the movable frame 6 through a fastening bolt 8; the upper part of the air pick 7 is fixedly connected with the mounting plate 4 through a screw 9; the bottom of the air pick 7 is provided with a scabbling hammer; the upper part of the connecting upright post 3 is fixedly connected with a transversely placed handrail 10, and the right part of the handrail 10 is fixedly connected with the top end part of the air pick 7; an air inlet pipeline is arranged above the triangular support 1, and an outlet of the air inlet pipeline is communicated with an air inlet of the air pick 7; the rear part of the triangular bracket 1 is provided with a water inlet pipe 11 which is transversely arranged, the left side of the water inlet pipe 11 is provided with a water supply hose 12 communicated with the water inlet pipe 11, the left end part of the water inlet pipe 11 is provided with a water inlet valve 13, and the right end part of the water inlet pipe 11 is provided with a spray head 14 which is positioned at the right side of the roughening hammer and has a downward spray nozzle.

The combined structure design of the air pick 7 and the chiseling hammer improves the chiseling effect, avoids the problem of insufficient chiseling, increases the contact surface during chiseling and improves the chiseling efficiency; due to the combined structural design of the triangular support 1, the roller 2 and the handrail 10, the chiseling device can be driven by an operator to chive, so that the aim of moving chiseling is fulfilled, the manual chiseling process is omitted, the labor intensity of chiseling operation is reduced, and the chiseling efficiency is greatly improved; due to the combined structural design of the connecting upright post 3, the mounting plate 4, the fixed frame 5, the movable frame 6, the fastening bolt 8 and the screw 9, the multi-point connection between the air pick 7 and the triangular support 1 is realized, and the connection between the air pick 7 and the triangular support is detachable, so that the air pick 7 is convenient to detach and maintain; the air inlet pipeline can be matched with an air compressor, and the air compressor is used for providing driving force for the air pick 7 by compressed air; due to the combined structural design of the water inlet pipe 11, the water supply hose 12, the water inlet valve 13 and the spray head 14, the dust falling function can be realized in the scabbling operation, and the dust generated by scabbling is prevented from damaging the body of an operator.

When the device works, firstly, a concrete bridge deck to be roughened is wetted, then, an inlet of an air inlet pipeline is connected with an air compressor, an inlet of a water supply hose 12 is connected with an electric sprayer, then, the air compressor and a water inlet valve 13 are opened, the roughening device is pushed above the concrete bridge deck to be roughened through a roller 2, and roughening operation is carried out, in the process, the air compressor provides driving force for an air pick 7, so that the air pick 7 drives a roughening hammer to reciprocate up and down to form impact force to impact the upper surface of the concrete bridge deck, and roughening is realized; the nozzle 14 forms a mist by being driven by an electric atomizer to remove dust generated by scabbling. The utility model overcomes the problems of low efficiency and insufficient chiseling when the existing chiseling machine is used for chiseling high-strength steel fiber concrete bridge panels.

In the using process of the air compressor, the light truck can be used for driving the air compressor to move, so that the matching device can be conveniently moved in the using process; when the chiseling operation is suspended, the air compressor and the water inlet valve 13 need to be closed.

As shown in fig. 1, the air inlet duct includes an I air inlet duct 15 and a II air inlet duct 16 distributed left and right, and an oil injector 17 is arranged between the I air inlet duct 15 and the II air inlet duct 16; the inlet of the I air inlet pipeline 15 is connected with an air compressor, and the outlet of the I air inlet pipeline is connected with the left end part of an oil ejector 17; the inlet of the II air inlet pipeline 16 is connected with the right end part of the oil ejector 17, and the outlet is connected with the air pick 7; the length of the I air inlet pipeline 15 is larger than that of the II air inlet pipeline 16, and an air inlet valve 18 is arranged on the I air inlet pipeline 15.

The oiling device 17 can provide lubrication for the moving part of the air pick 7 in the chiseling process, prevent interruption of the chiseling process due to insufficient lubrication, further guarantee continuity of the chiseling process, and further improve chiseling efficiency on the basis of guaranteeing operational reliability. The length of I admission line 15 is greater than the length of II admission line 16, makes things convenient for the removal of this chisel hair device for this chisel hair device can remove in the far away within range apart from the air compressor machine.

As shown in fig. 1 and 2, the chisel hammer includes a mounting rod 19 connected to the air pick 7 and a chisel hammer body 20 located at the bottom of the mounting rod 19 and having a plurality of protrusions on the bottom surface, and the mounting rod 19 and the chisel hammer body 20 are an integral structure made of tungsten steel cemented carbide.

This structural design has improved the structural strength of chisel hair hammer for this chisel hair device during operation can form great impact force, has effectively promoted the chisel hair effect, makes this chisel hair device can fully chisel hair on the high-strength steel fiber concrete bridge panel of large tracts of land, has avoided the insufficient problem of chisel hair.

An annular rubber pad which is tightly attached to the outer wall of the machine base of the air pick 7 is arranged between the fixed frame 5 and the movable frame 6.

The structure design is that the air pick 7 can be firmly connected between the fixed frame 5 and the movable frame 6, so that the situation that the position of the air pick 7 shakes to influence the scabbling operation during the work is prevented; and secondly, the shock absorption device has a certain shock absorption function, so that the influence of impact force on operators during operation is reduced.

The roller 2 is a universal wheel; the water inlet pipe 11 is a water pipe made of stainless steel; the spray head 14 is a copper double-head spray head in threaded connection with the water inlet pipe 11.

The universal wheels enable the chiseling device to move in all directions; but copper double-end shower nozzle continuous spray, and the water smoke that forms distributes evenly and the distribution area is big, has effectively promoted this chisel hair device's dust fall effect.

In a specific implementation process, the oil ejector 17 is an automatic oil ejector with the model number of FY 200B; the electric sprayer is a pressure type electric sprayer manufactured by Shandong Changtian machines, Inc.

The top of the air pick 7 is detachably connected with the hand rod 10 through a bolt; the bottom of the air pick 7 is provided with a mounting sleeve, the mounting sleeve can reciprocate up and down under the pneumatic driving, and the top end part of the scabbling hammer is fixedly penetrated in the mounting sleeve.

The triangular bracket 1 is made of square steel and is shaped like an isosceles triangle; the handrail 10 is high at one end and low at the other end, and an operator holds the high end to drive the chiseling device to move; the II air inlet pipeline 16 is conveyed along with the roughening device during turnover; the left part of the water inlet pipe 11 can be fixedly connected with the triangular support 1 in a rope binding mode, and the right part of the water inlet pipe can be fixedly connected with the triangular support 1 or the fixing frame 5 in a rope binding mode.

Claims

1. The utility model provides a chisel hair device that large tracts of land high-strength steel fiber concrete decking was used which characterized in that: the device comprises a horizontally placed triangular support (1), wherein rollers (2) are arranged at the left rear end part and the left front end part of the triangular support (1), a connecting upright post (3) is fixed in the middle of the upper surface of the triangular support (1), and a longitudinal upright mounting plate (4) is fixed at the right part of the upper surface; a fixed frame (5) fixedly connected with the triangular support (1) is arranged at the right end part of the triangular support, a movable frame (6) with the rear part hinged with the fixed frame (5) is arranged on the right side of the fixed frame (5), a vertically-placed pneumatic pick (7) is clamped between the fixed frame (5) and the movable frame (6), and the front part of the fixed frame (5) is fixedly connected with the front part of the movable frame (6) through a fastening bolt (8); the upper part of the air pick (7) is fixedly connected to the mounting plate (4) through a screw rod (9); the bottom of the air pick (7) is provided with a scabbling hammer; the upper part of the connecting upright post (3) is fixedly connected with a transversely placed handrail (10), and the right part of the handrail (10) is fixedly connected with the top end part of the air pick (7); an air inlet pipeline is arranged above the triangular support (1), and an outlet of the air inlet pipeline is communicated with an air inlet of the air pick (7); the rear part of the triangular bracket (1) is provided with a water inlet pipe (11) which is transversely arranged, the left side of the water inlet pipe (11) is provided with a water supply hose (12) which is communicated with the water inlet pipe, the left end part of the water inlet pipe (11) is provided with a water inlet valve (13), and the right end part of the water inlet pipe is provided with a spray head (14) which is positioned at the right side of the chiseling hammer and has a downward spray nozzle.

2. The chiseling device for the large-area high-strength steel fiber concrete bridge deck according to claim 1, wherein: the air inlet pipeline comprises an I air inlet pipeline (15) and an II air inlet pipeline (16) which are distributed left and right, and an oil ejector (17) is arranged between the I air inlet pipeline (15) and the II air inlet pipeline (16); the inlet of the I air inlet pipeline (15) is connected with an air compressor, and the outlet of the I air inlet pipeline is connected with the left end part of an oil ejector (17); the inlet of a II air inlet pipeline (16) is connected with the right end part of the oil injector (17), and the outlet of the II air inlet pipeline is connected with the air pick (7); the length of the first air inlet pipeline (15) is greater than that of the second air inlet pipeline (16), and an air inlet valve (18) is arranged on the first air inlet pipeline (15).

3. The chiseling device for the large-area high-strength steel fiber concrete bridge deck according to claim 1, wherein: the chiseling hammer comprises a mounting rod (19) connected to the air pick (7) and a chiseling hammer body (20) located at the bottom of the mounting rod (19) and provided with a plurality of bumps on the bottom surface, and the mounting rod (19) and the chiseling hammer body (20) are of an integrated structure made of tungsten steel hard alloy.

4. The chiseling device for the large-area high-strength steel fiber concrete bridge deck according to claim 1, wherein: an annular rubber pad which is tightly attached to the outer wall of the machine base of the pneumatic pick (7) is arranged between the fixed frame (5) and the movable frame (6).

5. The chiseling device for the large-area high-strength steel fiber concrete bridge deck according to claim 1, wherein: the roller (2) is a universal wheel; the water inlet pipe (11) is a water pipe made of stainless steel; the spray head (14) is a copper double-head spray head in threaded connection with the water inlet pipe (11).