CN215619147U

CN215619147U - Abutment concrete cutting device

Info

Publication number: CN215619147U
Application number: CN202122035362.2U
Authority: CN
Inventors: 廖盛荣; 肖春名; 陈军锋; 刘孙文; 徐拥军; 赵超; 史永龙; 周哲; 田太军; 冯永; 张松鹏
Original assignee: Road and Bridge International Co Ltd; Road and Bridge South China Engineering Co Ltd
Current assignee: Road and Bridge International Co Ltd; Road and Bridge South China Engineering Co Ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-25
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses an abutment concrete cutting device, which comprises a rack and a power device, wherein the rack is fixed on concrete; two groups of guide devices are symmetrically arranged on the rack through a connecting piece, diamond ropes are rotatably sleeved on the two groups of guide devices, and the diamond ropes penetrate through concrete; the power device is in transmission connection with the diamond rope, the two groups of guide devices are respectively and oppositely fixed on the horizontal rod piece through the connecting pieces, the distance between the two groups of guide devices can be adjusted through the connecting pieces, different cutting requirements are met, the use is convenient, each group of guide devices comprises a guide wheel I and a guide wheel II, the guide wheel I is matched with a path for cutting concrete through the diamond rope, the guide wheel II is matched with the power device for driving the diamond rope, and the diamond rope is driven to rotate through the power device for cutting through the matching of the guide wheel I and the guide wheel II.

Description

Abutment concrete cutting device

Technical Field

The utility model relates to the technical field of building construction, in particular to a bridge abutment concrete cutting device.

Background

In the 90 s of the 20 th century, because the construction technology and the construction idea are immature, when a bridge is constructed, a support is mostly cast in place, no expansion joint is arranged during construction, the bridge damage phenomenon is increased sharply along with the increase of the service life of the bridge, particularly for the bridge without the expansion joint, the bridge abutment is extruded by the extension of a box girder, the box girder and the bridge abutment have cracks, the safety problem easily occurs when the bridge is continuously used, the maintenance and the reinforcement of the bridge are very important, and the box girder is in service due to the following factors: 1. the prestressed reinforcement of the box girder generates prestress loss, so that the box girder generates cracks, the larger the prestress loss is, the more serious the stress growth is, and the elongation is larger and larger along with the accumulation of time; 2. to the great bridge of longitudinal gradient slope, under the effect of system difference in temperature and the effect of dead weight, will produce great flexible volume, may lead to the bridge atress condition bad for the bridge bearing capacity descends, makes the crack produce, need cut the abutment, increases the gap of abutment and case roof beam, makes the atress between them be in reasonable state.

For example, a patent with publication number CN112536922A entitled "a concrete cutting apparatus and cutting method", granted publication number 20210323, includes: a base, the lower surface of which is provided with wheels; the bracket is fixed at one side edge of the upper surface of the base; two guide posts are arranged, one end of each guide post is hinged with the upper part of the support, and the two guide posts are parallel to each other; the first adjusting mechanism is arranged on the base, connected with the guide post and used for controlling the guide post to rotate; the protective cover is arranged on the guide pillar in a sliding manner; the saw blade is rotatably arranged on the protective cover; the power device is arranged on the protective cover, and the output end of the power device is connected with the saw blade and is used for driving the saw blade to rotate; and the second adjusting mechanism is used for controlling the protective cover to reciprocate along the guide post. The angle between the saw blade and the horizontal plane can be changed, and the construction requirement is met;

the disadvantages of the prior art including the above patent are that, because the prior device is suitable for cutting the expansion joint on the concrete surface or cutting the small-volume concrete, if the large-volume concrete is cut, the original operation method can not completely cut off the concrete, and the construction efficiency is low and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an abutment concrete cutting device, when the angle of a guide wheel of a guide device needs to be adjusted, a bolt is unscrewed, the guide wheel is rotated to screw the bolt, the fixing position of the guide device is not changed, and an L-shaped rubber barrel is arranged in the middle of the guide device, so that the adjustment of the guide device does not influence the cutting direction of a diamond rope, the diamond rope is more attached to the guide device, the friction force between the diamond rope and the guide device is increased, and the cutting efficiency is improved.

In order to achieve the purpose, the utility model adopts the following technical scheme: an abutment concrete cutting device comprises a rack fixed on concrete and a power device; two groups of guide devices are symmetrically arranged on the rack through connecting pieces, diamond ropes are rotatably sleeved on the two groups of guide devices, and the diamond ropes penetrate through the concrete; the power device is in transmission connection with the diamond ropes and is used for driving the diamond ropes to rotate along the two groups of guide devices and synchronously pulling the diamond ropes so as to drive the diamond ropes to cut the concrete;

as a further description of the above technical solution:

the frame includes the base, the base passes through the bolt post to be fixed on the concrete, be provided with the bracing piece on the base, be located bracing piece middle section position department is fixed with the member through a U-shaped hasp cooperation bolt level.

As a further description of the above technical solution:

the guide device comprises a connecting piece, the connecting piece is fixed on the rod piece, the upper end of the connecting piece is connected with a guide wheel II through a fixing support II, and the lower end of the connecting piece is connected with a guide wheel I through a fixing support II.

As a further description of the above technical solution:

the power device comprises a driving wheel, a traveling wheel and a blocking block, wherein a diamond rope penetrates through the driving wheel, the traveling wheel travels forwards, and the blocking block prevents the traveling wheel from sliding backwards.

As a further description of the above technical solution:

the spraying device comprises a spraying pipe, the spraying pipe is a U-shaped pipe and is fixed on the rod piece, the spraying pipe is provided with a spray head, and the spraying pipe is connected with the water storage device through a water pipe.

As a further description of the above technical solution:

the connecting piece comprises a circular lock catch and a U-shaped lock catch II, the circular lock catch and the U-shaped lock catch II are symmetrically clamped on two sides of the rod piece through a bolt piece, a nut is arranged on the bolt piece, and a guide hole is formed in the circular lock catch.

As a further description of the above technical solution:

the water storage device is composed of a bucket, a water feeding pipe, a water outlet pipe and a water tap valve, and the water outlet pipe is communicated with the spray pipe through a water pipe.

As a further description of the above technical solution:

the size of the inner circle of the guide hole is arranged on one side of the circular ring lock catch and is consistent with the size of the inner circle formed by the first fixing support and the second fixing support.

The utility model provides a bridge abutment concrete cutting device which has the following beneficial effects:

1. according to the utility model, two groups of guide devices are respectively and oppositely fixed on a horizontal rod piece through connecting pieces, the distance between the two groups of guide devices can be adjusted through the connecting pieces so as to meet different cutting requirements, the use is convenient, each group of guide devices comprises a guide wheel I and a guide wheel II, the guide wheel I is matched with a path for cutting concrete by using a diamond rope, the guide wheel II is matched with a power device for driving the diamond rope, and the diamond rope is driven to rotate through the power device so as to cut through the matching of the guide wheel I and the guide wheel II.

2. According to the diamond rope cutting machine, the diamond ropes are driven to rotate on the two groups of guide devices through the driving wheel on the power device through the motor, and the power device is matched with the walking wheel to move away from the rack to achieve synchronous traction of the diamond ropes, so that cutting is achieved through the diamond ropes, the diamond ropes are more attached to the guide devices, friction between the diamond ropes and the guide devices is increased, and cutting efficiency is improved.

3. According to the utility model, the water outlet pipe is provided with the faucet valve, the valve is opened, water in the water bucket flows out along the water pipe through the booster pump, flows to the guide device after passing through the spray pipe and the spray head, and is cooled by the diamond rope, and meanwhile, dust is reduced from diffusing into air.

Drawings

Fig. 1 is a schematic structural diagram of an abutment concrete cutting device according to the present invention;

FIG. 2 is a schematic structural view of a frame according to the present invention;

FIG. 3 is a schematic view of the structure of the guide device of the present invention;

FIG. 4 is a schematic structural view of a connector according to the present invention;

FIG. 5 is a schematic view of the construction of the water storage device of the present invention;

FIG. 6 is a schematic structural view of a power plant according to the present invention;

illustration of the drawings:

1. a guide device; 11. a first fixed support; 12. a first guide wheel; 13. a second fixed support; 14. a second guide wheel; 2. a frame; 21. a first U-shaped lock catch; 23. a rod member; 24. a support bar; 25. a bolt column; 26. a base; 3. a spraying device; 31. a shower pipe; 32. a spray head; 36. a water pipe; 4. a connecting member; 41. locking by a circular ring; 42. a bolt member; 43. a U-shaped lock catch II; 44. a nut; 5. a diamond wire; 6. a water storage device; 61. a water bucket; 62. a faucet valve; 63. a water outlet pipe; 64. a water feeding pipe; 7. concrete; 9. a power plant; 91. a drive wheel; 92. a traveling wheel; 93. a stop block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, an abutment concrete cutting device includes a frame 2 fixed on concrete 7 and a power unit 9; two groups of guide devices 1 are symmetrically arranged on the frame 2 through connecting pieces 4, diamond ropes 5 are rotatably sleeved on the two groups of guide devices 1, and the diamond ropes 5 penetrate through concrete 7; the power device 9 is in transmission connection with the diamond ropes 5, and the power device 9 is used for driving the diamond ropes 5 to rotate along the two groups of guide devices 1 and synchronously drawing the diamond ropes 5 so as to realize that the diamond ropes 5 are driven to cut the concrete 7; the frame 2 is provided with a spraying device 3, the spraying device 3 is provided with a spray head 32, and the spray head 32 corresponds to the diamond rope 5;

in the cutting process, firstly, the position and the size of concrete to be cut are determined, a gap is cut, the diamond rope 5 can reach a designated position, then the base 26 is fixed on the concrete at a proper position, the power device 9 is started, the driving wheel 91 drives the diamond rope 5 to move, the cutting work is started, a water valve of the water storage device 6 is opened while the cutting work is carried out, water flows to the spraying pipe 31 through the booster pump and is sprayed to the guide device 1 after being sprayed out through the spray head 32, on one hand, the heat generated by friction of the diamond rope 5 can be cooled, and on the other hand, dust is reduced from being diffused into the air;

the frame 2 comprises a base 26, the base 26 is fixed on the concrete 7 through a bolt column 25, a support rod 24 is arranged on the base 26, and a rod piece 23 is horizontally fixed at the middle section of the support rod 24 through a U-shaped lock catch I21 and a bolt 27;

the guide device 1 comprises a connecting piece 4, the connecting piece 4 is fixed on a rod piece 23, the upper end of the connecting piece 4 is connected with a guide wheel II 14 through a fixing support II 13, and the bottom end of the connecting piece 4 is connected with a guide wheel I12 through a fixing support I11;

two sets of guider 1 are respectively through connecting piece 4 relatively fixed on horizontally member 23, can adjust two sets of guider 1's interval through connecting piece 4, in order to satisfy different cutting demands, high durability and convenient use, every guider 1 of group wraps leading wheel one 12, leading wheel two 14, leading wheel one 12 matches with diamond rope 5 cutting concrete 7 route, leading wheel two 14 matches with power device 9 drive diamond rope 5, through leading wheel one 12, leading wheel two 14 cooperation is realized rotating in order to cut 7 through power device drive diamond rope 5.

The power device 9 comprises a driving wheel 91, a travelling wheel 92 and a stop block 93, the diamond rope 5 passes through the driving wheel 91, the travelling wheel 92 goes forwards, and the stop block 93 stops the travelling wheel 92 from sliding backwards;

the driving wheel 91 on the power device 9 drives the diamond rope 5 to rotate on the two groups of guide devices 1 through the motor drive, and meanwhile, the power device 9 is matched with the walking wheel 92 to move away from the rack 2 to realize synchronous traction of the diamond rope 5, so that the diamond rope 5 is cut 7, the diamond rope 5 is more attached to the guide devices 1, the friction force between the diamond rope 5 and the guide devices 1 is increased, and the cutting efficiency is improved; optionally, a stop block 93 is arranged behind the travelling wheel 92 of the power device 9, so that the travelling wheel 92 caused by dragging of the diamond rope 5 and the power device 9 can be prevented from sliding backwards, the diamond rope 5 is tightly attached to the guide device 1 and the guide wheel, and the cutting efficiency is improved;

the connecting piece 4 comprises a circular lock catch 41 and a U-shaped lock catch II 43, the circular lock catch 41 and the U-shaped lock catch II 43 are symmetrically clamped on two sides of the rod piece 23 through a bolt piece 42, a nut 44 is arranged on the bolt piece 42, and a guide hole is formed in the circular lock catch 41;

the spraying device 3 comprises a spraying pipe 31, the spraying pipe 31 is fixed on the rod piece 23 in a U-shaped pipe, and a spray head 32 is arranged on the spraying pipe 31; the water storage device 6 is composed of a water bucket 61, an upper water pipe 64, a water outlet pipe 63 and a water tap valve 62, wherein the water outlet pipe 63 is communicated with the spray pipe 31 through a water pipe 36; a water tap valve 62 is arranged on the water outlet pipe 63, the valve is opened, water in the water bucket 61 flows out along the water pipe 36 through the booster pump, flows to the guiding device 1 after passing through the spraying pipe 31 and the spray head 32, the diamond rope 5 is cooled, and meanwhile, dust is reduced from diffusing into the air; the size of the inner circle of the guide hole arranged on one side of the circular ring lock catch 41 is consistent with that of the inner circle arranged on the first fixing support 11 and the second fixing support 13.

The working principle is as follows:

in the cutting process, firstly, the position and the size of the concrete 7 to be cut are determined, a gap is cut in the concrete 7, the diamond rope 5 can reach a designated position, then a base 26 is fixed on the concrete 7 through a bolt column 25 at the upper end of the concrete 7, two groups of guide devices 1 are respectively and oppositely fixed on a horizontal rod piece 23 through connecting pieces 4, the distance between the two groups of guide devices 1 can be adjusted through the connecting pieces 4 to meet different cutting requirements, the use is convenient, each group of guide devices 1 comprises a first guide wheel 12 and a second guide wheel 14, the first guide wheel 12 is matched with the path of the diamond rope 5 for cutting the concrete 7, the second guide wheel 14 is matched with a power device 9 for driving the diamond rope 5 to rotate through the power device to cut the concrete 7 through the matching of the first guide wheel 12 and the second guide wheel 14, a driving wheel 91 on the power device 9 is opened to drive the diamond rope 5 to rotate on the two groups of guide devices 1 through the driving of a motor, meanwhile, the power device 9 is matched with the travelling wheel 92 to move away from the rack 2 to synchronously pull the diamond rope 5, so that the diamond rope 5 can cut the diamond rope 7, and the water outlet pipe 63 is communicated with the spraying pipe 31 through the water pipe 36 during working; the water outlet pipe 63 is provided with a faucet valve 62, the valve is opened, water in the water bucket 61 flows out along the water pipe 36 through the booster pump, flows to the guiding device 1 through the spraying pipe 31 and the spray head 32, cools the diamond rope 5, and simultaneously reduces dust diffusion into the air.

Claims

1. The abutment concrete cutting device is characterized by comprising a rack (2) and a power device (9) which are fixed on concrete (7);

two groups of guide devices (1) are symmetrically arranged on the rack (2) through connecting pieces (4), diamond ropes (5) are rotatably sleeved on the two groups of guide devices (1), and the diamond ropes (5) penetrate through the concrete (7);

the power device (9) is in transmission connection with the diamond ropes (5), and the power device (9) is used for driving the diamond ropes (5) to rotate along the two groups of guide devices (1) and synchronously drawing the diamond ropes (5) so as to drive the diamond ropes (5) to cut the concrete (7);

the diamond wire rope cutting machine is characterized in that a spraying device (3) is arranged on the rack (2), a spray head (32) is arranged on the spraying device (3), and the spray head (32) corresponds to the diamond wire rope (5).

2. An abutment concrete cutting device according to claim 1, characterized in that the frame (2) comprises a base (26), the base (26) is fixed on the concrete (7) through a bolt column (25), a support rod (24) is arranged on the base (26), and a rod piece (23) is horizontally fixed at the middle position of the support rod (24) through a U-shaped lock catch I (21) and a matched bolt (27).

3. The abutment concrete cutting device according to claim 1, wherein the guide device (1) comprises a connecting piece (4), the connecting piece (4) is fixed on a rod piece (23), the upper end of the connecting piece (4) is connected with a second guide wheel (14) through a second fixing support (13), and the lower end of the connecting piece (4) is connected with a first guide wheel (12) through a first fixing support (11).

4. The bridge abutment concrete cutting device according to claim 1, wherein the power device (9) comprises a driving wheel (91), a traveling wheel (92) and a blocking block (93), the diamond rope (5) penetrates through the driving wheel (91), the traveling wheel (92) travels forwards, and the blocking block (93) prevents the traveling wheel (92) from sliding backwards.

5. Bridge abutment concrete cutting device according to claim 1, characterized in that the spraying device (3) comprises a spray pipe (31), the spray pipe (31) is fixed on the rod (23) in a U-shaped manner, and the spray pipe (31) is provided with a spray head (32).

6. The abutment concrete cutting device according to claim 1, wherein the connecting piece (4) comprises a circular lock catch (41) and a U-shaped lock catch II (43), the circular lock catch (41) and the U-shaped lock catch II (43) are symmetrically clamped on two sides of the rod piece (23) through a bolt piece (42), a nut (44) is arranged on the bolt piece (42), and a guide hole is formed in the circular lock catch (41).

7. The abutment concrete cutting device according to claim 1, characterized by further comprising a water storage device (6), wherein the water storage device (6) is composed of a water bucket (61), a water feeding pipe (64), a water outlet pipe (63) and a water tap valve (62), and the water outlet pipe (63) is communicated with the spray pipe (31) through a water pipe (36).

8. The abutment concrete cutting device according to claim 1, wherein one side of the circular ring lock catch (41) is provided with a guide hole, and the size of the inner circle of the guide hole is consistent with that of the inner circle of the first fixing support (11) and the second fixing support (13).