CN213061628U

CN213061628U - Expansion joint cutting equipment for bridge construction

Info

Publication number: CN213061628U
Application number: CN202021048565.4U
Authority: CN
Inventors: 毛亚坊
Original assignee: Individual
Current assignee: Sichuan Hongjian Guangxia Construction Engineering Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-04-27
Anticipated expiration: 2030-06-09

Abstract

The utility model provides an expansion joint cutting equipment is used in bridge construction relates to bridge construction expansion joint cutting technical field. This expansion joint cutting equipment for bridge construction, including the bottom plate, the top of bottom plate is provided with the roof, four transfer lines of bottom surface fixedly connected with of roof, and the lower extreme of four transfer lines all slides the upper surface that runs through the bottom plate, and the below of bottom plate is provided with the fly leaf, and four transfer lines are located the bottom end face and all are connected with the upper surface fixed connection of fly leaf, the upper surface of fly leaf and the bottom surface of bottom plate through four extrusion spring fixed connection. This expansion joint cutting equipment is used in bridge construction through setting up extrusion spring, transfer line, fly leaf and locating lever, has reached the steady unchangeable effect of the degree of depth of cutting knife cutting, has solved present equipment when cutting the expansion joint, often because the unevenness on road surface can not carry out the same expansion joint of degree of depth of stable cutting, causes the problem of influence to the use of cutting seam.

Description

Expansion joint cutting equipment for bridge construction

Technical Field

The utility model relates to a bridge construction expansion joint cutting technical field specifically is a bridge construction uses expansion joint cutting equipment.

Background

The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed for spanning mountain stream, unfavorable geology or meeting other traffic needs, so that the buildings and the like which are more convenient to pass are constructed.

When the bridge is built, the flexibility of the bridge needs to be considered, so that the physical properties of expansion with heat and contraction with cold cannot influence the normal use of the bridge, the bridge needs to be subjected to joint cutting treatment, and the expansion joint of the bridge cannot be stably cut at the same depth due to the fact that the unevenness of the road surface often influences the use of the cut joint when the expansion joint is cut by the existing equipment.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an expansion joint cutting equipment is used in bridge construction has solved present equipment when cutting the expansion joint, often because the uneven expansion joint that can not carry out the same degree of depth of stable cutting on road surface, causes the problem of influence to the use of cutting seam.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an expansion joint cutting equipment for bridge construction, comprising a base plate, the top of bottom plate is provided with the roof, four transfer lines of bottom surface fixedly connected with of roof, the lower extreme of four transfer lines all slides the upper surface that runs through the bottom plate, the below of bottom plate is provided with the fly leaf, four transfer lines are located the bottom surface all with the last fixed surface of fly leaf is connected, the upper surface of fly leaf and the bottom surface of bottom plate are through four extrusion spring fixed connection, four extrusion springs slide respectively and cup joint the surface at four transfer lines, the place ahead that the top of bottom plate is located the roof is provided with the kicking block, the upper surface of bottom plate is located the place ahead fixedly connected with riser of kicking block, the front of riser is rotated and is run through threaded shaft, the rear end of threaded shaft rotates and pegs graft in the front.

Fixedly connected with motor is appeared on the fly leaf, the bottom surface fixedly connected with installation piece of fly leaf, the right side of installation piece is provided with the cutting knife, the upper surface of fly leaf is located the right side of motor and is provided with logical groove, the upper end of cutting knife runs through the inside that leads to the groove, the left surface fixedly connected with pivot of cutting knife, the left end of pivot is rotated the right flank that runs through the installation piece, the pivot is located the left one end of installation piece and is passed through the conveyer belt transmission with the output of motor, the conveyer belt slides the bottom surface that runs through the fly leaf, two threaded rods of bottom surface fixedly connected with of fly leaf, the equal screw thread of lower extreme of two threaded rods has cup jointed the adjusting collar, the lower extreme of two adjusting collars is all fixed the grafting and has.

Preferably, the inside fixedly connected with dust cover in logical groove, the dust cover activity cup joints the surface at the cutting knife.

Preferably, two anti-skidding sleeves are arranged below the movable plate and are fixedly sleeved on the outer surfaces of the two adjusting sleeves respectively.

Preferably, the universal wheels are arranged below the two ejector rods and are movably mounted at the lower ends of the two positioning rods respectively.

Preferably, the shapes of the top blocks are right-angled triangles, and the front faces of the top blocks are perpendicular to the threaded shaft.

Preferably, the four transmission rods are coaxially arranged with the four extrusion springs respectively, and the four transmission rods are perpendicular to the movable plate.

(III) advantageous effects

The utility model provides an expansion joint cutting equipment is used in bridge construction. The method has the following beneficial effects:

1. the expansion joint cutting equipment for bridge construction is characterized in that an extrusion spring, a transmission rod, a movable plate and a positioning rod are arranged, when the expansion joint is cut, a rotating handle is rotated to drive a jacking block to move forwards to be away from a top plate, the movable plate moves downwards under the action of the extrusion spring, a starting motor rotates a rotating shaft through a conveyor belt to drive a cutting knife to rotate, the movable plate enables the cutting knife to cut a road surface in the process that the extrusion spring moves downwards, when the positioning rod drives a universal wheel to be in contact with the ground, the cutting knife is positioned to obtain the cutting depth, in the process of moving the equipment, when the road surface is not level, the universal wheel and the ground are always in a contact state under the action of the extrusion spring, the effect that the cutting depth of the cutting knife is stable and unchanged is achieved, the problem that when the equipment for cutting the expansion joint is used for the current expansion joint, the expansion joint with the same depth can, the use of the cutting seam is influenced.

2. This expansion joint cutting equipment for bridge construction, through setting up adjusting collar and threaded rod, rotate adjusting collar and threaded rod meshing, make the regulation pole reciprocate, then drive the locating lever and remove to when the universal wheel contacts ground, the degree of depth of cutting knife cutting changes, has reached the effect that changes the degree of depth of cutting knife cutting expansion joint, has solved the problem that the cutting knife can not change the degree of depth at expansion joint according to the demand.

Drawings

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

FIG. 2 is a schematic view of the connection between the threaded shaft and the vertical plate of the present invention;

FIG. 3 is a schematic view of the connection between the pressing spring and the movable plate of the present invention;

fig. 4 is the utility model discloses the pivot is connected the sketch map with the cutting knife.

The device comprises a base plate 1, a top plate 2, a transmission rod 3, a movable plate 4, an extrusion spring 5, a jacking block 6, a vertical plate 7, a threaded rod 8, a moving structure 9, a motor 10, a cutting knife 11, a mounting block 12, a through groove 13, a rotating shaft 14, a conveyor belt 15, a positioning rod 16, an adjusting sleeve 17, an armrest 18, a rotating handle 19, a dust cover 20, an anti-skidding sleeve 21, a universal wheel 22 and a threaded shaft 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides an expansion joint cutting equipment for bridge construction, as shown in figure 1-4, comprising a bottom plate 1, a top plate 2 is arranged above the bottom plate 1, four transmission rods 3 are fixedly connected with the bottom surface of the top plate 2, the lower ends of the four transmission rods 3 all slide and penetrate through the upper surface of the bottom plate 1, a movable plate 4 is arranged below the bottom plate 1, the four transmission rods 3 are positioned at the bottom end surface and are all fixedly connected with the upper surface of the movable plate 4, the upper surface of the movable plate 4 is fixedly connected with the bottom surface of the bottom plate 1 through four extrusion springs 5, the extrusion springs 5 are in extrusion springs in working state, the compression amount and the spring coefficient of the extrusion springs 5 meet working requirements, the four extrusion springs 5 are respectively slidably sleeved on the outer surfaces of the four transmission rods 3, the four transmission rods 3 are respectively coaxially arranged with the four extrusion springs 5, the, the place ahead that the top of bottom plate 1 is located roof 2 is provided with kicking block 6, the upper surface of bottom plate 1 is located the place ahead fixedly connected with riser 7 of kicking block 6, the front of riser 7 is rotated and is run through threaded shaft 23, the rear end of threaded shaft 23 is rotated and is pegged graft in the front of kicking block 6, the equal right angled triangle of shape of kicking block 6, the front and the threaded shaft 23 of kicking block 6 set up perpendicularly, kicking block 6 can be with roof 2 jack-up at the in-process of backward movement, two removal structures 9 are installed to the bottom surface of bottom plate 1.

The upper surface of the movable plate 4 is fixedly connected with a motor 10, the bottom surface of the movable plate 4 is fixedly connected with an installation block 12, the right side of the installation block 12 is provided with a cutting knife 11, the upper surface of the movable plate 4 is positioned on the right side of the motor 10 and is provided with a through groove 13, the upper end of the cutting knife 11 penetrates through the inside of the through groove 13, the inside of the through groove 13 is fixedly connected with a dust cover 20, the dust cover 20 is movably sleeved on the outer surface of the cutting knife 11, the dust cover 20 has a blocking effect on dust, the left side surface of the cutting knife 11 is fixedly connected with a rotating shaft 14, the left end of the rotating shaft 14 rotates to penetrate through the right side surface of the installation block 12, one end of the rotating shaft 14 positioned on the left side of the installation block 12 is in transmission with the output end of the motor 10 through, the below of fly leaf 4 is provided with two antiskid cover 21, two antiskid cover 21 fix the cup joint respectively and take place the phenomenon of skidding when preventing to rotate adjusting collar 17, the lower extreme of two adjusting collars 17 is all fixed the grafting has locating lever 16, the below of two locating levers 16 all is provided with universal wheel 22, two universal wheel 22 respectively movable mounting at the lower extreme of two locating levers 16, set up universal wheel 22 and reduce the wearing and tearing of locating lever 16, the last fixed surface of bottom plate 1 is connected with handrail 18, the front end fixedly connected with turning handle 19 of threaded shaft 23.

The working principle is that when the expansion joint is cut, the rotating handle 19 is rotated to drive the top block 6 to move forwards and away from the top plate 2, the movable plate 4 moves downwards under the action of the extrusion spring 5, the starting motor 10 rotates the rotating shaft 14 through the conveyor belt 15 to drive the cutting knife 11 to rotate, the movable plate 4 enables the cutting knife 11 to cut the pavement in the process of downward movement of the extrusion spring 5, when the positioning rod 16 drives the universal wheel 22 to contact with the ground, the cutting knife 11 is positioned to obtain the cutting depth, in the process of movement of the equipment, when the pavement is uneven, the universal wheel 22 and the ground are always in a contact state under the action of the extrusion spring 5, so that the cutting depth of the cutting knife 11 is stable and unchanged, after the cutting is finished, the threaded shaft 23 is rotated to push the top block 6 to move backwards, so that the top plate 2 is pushed upwards under the action of the top block 6, then the movable plate 4 is driven by the transmission rod 3 to move upwards, so that the cutting knife 11 is taken away from the ground, and the cutting knife 11 is not contacted with the ground when not working.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an expansion joint cutting equipment for bridge construction, includes bottom plate (1), its characterized in that: the top plate (2) is arranged above the bottom plate (1), four transmission rods (3) are fixedly connected to the bottom surface of the top plate (2), the lower ends of the four transmission rods (3) penetrate through the upper surface of the bottom plate (1) in a sliding mode, a movable plate (4) is arranged below the bottom plate (1), the bottom end surfaces of the four transmission rods (3) are fixedly connected with the upper surface of the movable plate (4), the upper surface of the movable plate (4) is fixedly connected with the bottom surface of the bottom plate (1) through four extrusion springs (5), the four extrusion springs (5) are respectively sleeved on the outer surfaces of the four transmission rods (3) in a sliding mode, a top block (6) is arranged above the bottom plate (1) in front of the top plate (2), a vertical plate (7) is fixedly connected to the upper surface of the bottom plate (1) in front of the top block (6), a threaded shaft (23) penetrates through the front of the vertical plate (7) in a rotating mode, the rear end of the threaded, the bottom surface of the bottom plate (1) is provided with two moving structures (9);

the upper surface of the movable plate (4) is fixedly connected with a motor (10), the bottom surface of the movable plate (4) is fixedly connected with a mounting block (12), the right side of the mounting block (12) is provided with a cutting knife (11), the upper surface of the movable plate (4) is positioned on the right side of the motor (10) and is provided with a through groove (13), the upper end of the cutting knife (11) penetrates through the inside of the through groove (13), the left side surface of the cutting knife (11) is fixedly connected with a rotating shaft (14), the left end of the rotating shaft (14) rotates to penetrate through the right side surface of the mounting block (12), one end of the rotating shaft (14) positioned on the left side of the mounting block (12) is in transmission with the output end of the motor (10) through a conveyor belt (15), the conveyor belt (15) slides to penetrate through the bottom surface of the movable plate (4), the bottom surface of the movable, the lower ends of the two adjusting sleeves (17) are fixedly inserted with positioning rods (16), the upper surface of the bottom plate (1) is fixedly connected with a handrail (18), and the front end of the threaded shaft (23) is fixedly connected with a rotating handle (19).

2. The bridge construction expansion joint cutting device according to claim 1, wherein: the inner part of the through groove (13) is fixedly connected with a dust cover (20), and the dust cover (20) is movably sleeved on the outer surface of the cutting knife (11).

3. The bridge construction expansion joint cutting device according to claim 1, wherein: two anti-skidding sleeves (21) are arranged below the movable plate (4), and the two anti-skidding sleeves (21) are fixedly sleeved on the outer surfaces of the two adjusting sleeves (17) respectively.

4. The bridge construction expansion joint cutting device according to claim 1, wherein: universal wheels (22) are arranged below the two positioning rods (16), and the two universal wheels (22) are movably mounted at the lower ends of the two positioning rods (16) respectively.

5. The bridge construction expansion joint cutting device according to claim 1, wherein: the shape of the jacking block (6) is a right-angled triangle, and the front surface of the jacking block (6) is perpendicular to the threaded shaft (23).

6. The bridge construction expansion joint cutting device according to claim 1, wherein: the four transmission rods (3) are respectively and coaxially arranged with the four extrusion springs (5), and the four transmission rods (3) are all perpendicular to the movable plate (4).