CN214082158U

CN214082158U - Wall cutter

Info

Publication number: CN214082158U
Application number: CN202022616951.5U
Authority: CN
Inventors: 张坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-08-31
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a wall cutting machine, it includes the baffle, and the cover is equipped with the chain on the baffle, is equipped with the cutting tooth on the chain, and the baffle rear portion is equipped with the drive arrangement of drive connection chain, and the inside water cavity that is equipped with of baffle, baffle side are equipped with the water supply joint that communicates the water cavity, and the inside water course that still is equipped with of baffle, water course one end communicate the water cavity, and the other end communicates the baffle side. This cut wall machine can cut the wall body, and in cutting process, the water that gets into in the inside water cavity of baffle reaches the chain along the water course on, cools down the chain to wash the lime-ash on the chain, prevent that the chain from being blocked, has dustproof effect simultaneously. Due to the adoption of chain type cutting, the wall cutting machine has deeper cutting depth, is light and convenient to use; in addition, the protective cover arranged on the wall cutting machine can block mud slag thrown out from the chain, the mud slag is prevented from splashing to workers, and the roller supports on two sides of the shell can be supported on the wall surface in the cutting process, so that labor is saved.

Description

Wall cutter

Technical Field

The utility model relates to a building construction tool technical field, concretely relates to wall cutter.

Background

In the construction processes of house decoration, modification, reinforcement, design change and the like, a cutting machine is often required to be used for cutting structures such as door holes, window holes and the like on a wall body.

The existing wall cutting machine is a disc type wall cutting machine which is provided with a large saw disc, and a wall body is cut through the saw disc. For example, chinese patent publication No. CN204510863U describes a portable electric wall cutter, which includes a rail member, a rack disposed on one side of the rail member, a base, a lifter, and a cutting saw disc, wherein the lifter is fixedly connected with a cutting motor, an output shaft end of the cutting motor is fixedly connected with the cutting saw disc, and the lifting of the saw disc is controlled to cut a building, thereby performing project engineering such as reconstruction and maintenance.

The saw disc type wall cutting machine has the following defects: firstly, the saw disc is added with components such as a driving device, a lifting device and the like, so that the wall cutter has more components, large structural volume, heavy weight, very labor-consuming transportation and operation and inconvenient use; secondly, as the driving rotating shaft is positioned in the center of the saw disc, at most half of the whole saw disc can cut into the wall, so that the cutting thickness of the wall is limited; for this reason, the saw disc type cutting machine needs to be made large enough to meet the cutting requirements of thicker walls.

The chain type cutting saw is cutting equipment which has a structure and a principle different from those of a saw disc type cutting machine, and a chain drives cutting teeth, so that the chain type cutting saw generally has a larger cutting range; however, since the chain type cutting saw is designed for wood, the existing chain type cutting saw can be only used for cutting wood, but not for cutting a wall body.

Disclosure of Invention

The utility model aims at providing a cut wall machine solves among the prior art and cuts the heavy, use inconvenient, cut the limited technical problem of thickness of wall machine.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the design is a wall cutting machine, which comprises a guide plate, wherein a chain is sleeved on the guide plate, cutting teeth are arranged on the chain, the rear portion of the guide plate is provided with a driving device which is connected with the chain in a driving mode, a water cavity is arranged inside the guide plate, the side face of the guide plate is provided with a water supply connector communicated with the water cavity, a water channel is further arranged inside the guide plate, one end of the water channel is communicated with the water cavity, and the other end of the water channel is communicated with the side edge of the guide plate.

Preferably, the guide plate is formed by connecting and assembling a first steel plate and a second steel plate which are matched, the opposite side surfaces of the first steel plate and the second steel plate are respectively and correspondingly provided with a cavity and a water tank, the cavities are assembled to form corresponding water cavities, and the water tanks form the water channel; and a driven chain wheel matched with the chain is arranged at the front part between the first steel plate and the second steel plate.

Preferably, a protective cover is arranged above the front side of the driving device.

Preferably, roller supports are respectively arranged on two sides of the driving device, and rollers are arranged at the bottoms of the roller supports.

Preferably, the driving device comprises a shell, a speed changer is arranged in the shell, a power device which is connected to the speed changer in a driving mode is arranged on one side of the shell, and the speed changer is connected to the driving chain wheel in a driving mode; the rear side of the shell is provided with a handle, and the top of the shell is provided with a handle.

Preferably, the power device is a brushless variable frequency motor, an engine or a brush motor.

Preferably, the cutting teeth are hinged at both ends between adjacent links on the chain, or welded to the links.

Preferably, be equipped with between the adjacent cutting tooth and install first protecting toothed plate and the second protecting toothed plate on corresponding chain link, first protecting toothed plate includes bellied first triangle-shaped portion, the second protects toothed plate includes bellied second triangle-shaped portion, first triangle-shaped portion and second triangle-shaped portion are the V-arrangement.

The utility model discloses a main beneficial technological effect lies in:

1. the utility model discloses wall cutting machine includes the baffle, the baffle side is equipped with the water supply connector who communicates the water cavity, the baffle is inside still to be equipped with the water course, water course one end communicates the water cavity, the other end communicates the baffle side, be equipped with the chain on the baffle, be equipped with the carbide tooth on the chain, be equipped with the water cavity inside the baffle, this wall cutting machine can cut the wall body, in the cutting process, the water that gets into in the water cavity inside the baffle arrives on the chain along the water course, cool down the chain, and wash the lime-ash on the chain, prevent that in the cutting process, the chain is blocked, dustproof effect has simultaneously; due to the adoption of the chain type cutting structure, the wall cutting machine has deeper cutting depth, is light and convenient to use.

2. This cut protection casing that sets up on wall machine can block the mud sediment of throwing away on the chain, prevents that the mud sediment from splashing on one's body the workman, and in cutting process, the gyro wheel of casing both sides can support on the wall, and along with deepening of cutting, the gyro wheel can remove along the wall, supports through the gyro wheel and adds the mode that the gyro wheel freely removed, should cut wall machine more laborsavingly in the use.

3. The utility model discloses also can be used for the cutting of other similar building brickworks, concrete or brick-concrete structures such as cement road surface, dam body.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the wall cutter of the present invention.

Fig. 2 is a schematic perspective view of a guide plate in an embodiment of the wall cutting machine of the present invention.

Fig. 3 is an enlarged view of a partial structure of a chain in an embodiment of the wall cutting machine of the present invention.

Fig. 4 is a rear view of an embodiment of the wall cutter of the present invention.

Fig. 5 is an exploded view of a guide plate in an embodiment of the wall cutting machine of the present invention.

Fig. 6 is a schematic structural view of several different cutting teeth used in the wall cutting machine of the present invention.

In the above figures, the reference numerals are to indicate: guide plate 1, recess 11, first steel sheet 12, cavity 121, basin 122, second steel sheet 13, water supply joint 131, driven sprocket 14, drive sprocket 15, pivot 151, slot hole 16, chain 2, cutting tooth 21, first protecting toothed plate 22, first triangle-shaped portion 221, second protecting toothed plate 23, second triangle-shaped portion 231, drive arrangement 3, casing 31, motor 32, handle 33, handle 34, switch 35, power cord 36, roller support 37, gyro wheel 371, protection casing 4, articulated seat 41.

Detailed Description

The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. References to "first," "second," etc. in this application are intended to distinguish between similar items and not necessarily to describe a particular order or sequence.

Example 1:

a wall cutter, the structure of which is shown in fig. 1 to 6.

As shown in fig. 1, the wall cutting machine comprises a guide plate 1, wherein a chain 2 is sleeved on the guide plate 1, as shown in fig. 2, the guide plate 1 is in the shape of a long plate, the front and the back of the guide plate are in the shape of an arc, a circle of groove 11 is formed in the edge of the guide plate 1, and the chain 2 is partially arranged in the groove 11, so that the chain 2 can be tightly attached to the guide plate 1. As shown in fig. 3, the chain 2 is provided with cutting teeth 21, the cutting teeth 21 are alloy cutting teeth, specifically, tungsten steel carbide teeth may be adopted, diamond teeth made of diamond powder or diamond composite alloy teeth may also be adopted, the cutting teeth 21 are welded on chain links on the chain 2, a first tooth protection plate 22 and a second tooth protection plate 23 mounted on corresponding chain links are arranged between adjacent cutting teeth 21, the first tooth protection plate 22 includes a first raised triangular portion 221, the second tooth protection plate 23 includes a second raised triangular portion 231, the first triangular portion 221 and the second triangular portion 231 are arranged in a V shape, in the process of cutting reinforced concrete, encountered steel bars or hard stones can enter a V-shaped groove between the first triangular portion 221 and the second triangular portion 231 along the second tooth protection plate 23 and move up along the first tooth protection plate 22, so as to prevent the cutting teeth 21 from directly touching the steel bars or stones to damage or fall off, thereby playing the buffering guard action to the cutting tooth and preventing that the chain from being dead by the card or breaking.

As shown in fig. 1 and 4, the rear portion of the guide plate 1 is provided with a driving device 3 for driving the connecting chain 2, the driving device 3 includes a housing 31, a transmission is arranged in the housing 31, one side of the housing 31 is provided with a motor 32 which is connected to the transmission in a driving manner, the rear side of the housing 31 is provided with a handle 33, the top portion of the housing is provided with a handle 34, the inner side of the handle 33 is provided with a switch 35, the rear side of the housing is provided with a power line 36, and after the power line 36 is connected with a power source, the start and stop of the motor 32 can be controlled through the switch 35. The chain 2 in this embodiment is an alloy chain, the motor 32 is a brushless variable frequency motor having a larger output torque and speed, and in other embodiments, a gasoline engine or a conventional brush motor may be used.

As shown in fig. 5, the guide plate 1 is formed by butt welding and assembling a first steel plate 12 and a second steel plate 13 which are matched, a cavity 121 and a water tank 122 are arranged on the side surface of the first steel plate 12, one end of the water tank 122 is communicated with the cavity 121, the other end of the water tank 122 is communicated with the side edge of the first steel plate 12, a cavity and a water tank are correspondingly arranged on the side surface of the second steel plate 13 facing to the first steel plate 12, when the first steel plate 12 and the second steel plate 13 are butt-jointed, the cavity 121 on the side surface of the first steel plate 12 and the cavity on the side surface of the second steel plate 13 are assembled into a water cavity inside the guide plate 1, the cavity 121 on the side surface of the first steel plate 12 and the water tank on the side surface of the second steel plate 13 are assembled into a water channel inside the guide plate 1, the water cavity is communicated with three water channels, a water supply connector 131 communicated with the water cavity is arranged on the side surface of the second steel plate 13, and a corresponding water injection pump is arranged, when cutting is performed, water is not cut, dust is easily discharged, and the cutting machine is kept sharp, and no dust is generated, thereby being beneficial to the health of constructors.

The guide plate 1 is provided at front and rear ends thereof with a driven sprocket 14 and a driving sprocket 15 respectively matched with the chain 2, as shown in fig. 2, the guide plate 1 is provided at a rear end thereof with a long hole 16, both ends of a rotating shaft 151 of the driving sprocket 15 penetrate through the long hole 16, a transmission in a driving device drives the rotating shaft 151 connected to the driving sprocket 15, and the rotating shaft 151 can move back and forth in the long hole 16 to adjust the tightness of the chain 2.

As shown in fig. 1, a protective cover 4 is arranged above the front side of the housing 31 of the driving device 3, a hinge seat 41 is arranged at the front side of the housing 31, the lower end of the protective cover 4 is hinged on the hinge seat 41, and the protective cover 4 is used for blocking mud brought up during the cutting process of the chain 2. Roller supports 37 are respectively arranged on two sides of the shell 31 of the driving device 3, and rollers 371 are arranged at the bottoms of the roller supports 37.

In conjunction with fig. 6, the flat teeth shown in fig. 6- (a) are used in the present embodiment, and in other embodiments, trapezoidal teeth shown in fig. 6- (B), thin teeth with narrow top and wide bottom shown in fig. 6- (C), and hemispherical teeth shown in fig. 6- (D) may also be used. The flat teeth and the hemispherical teeth are relatively wear-resistant and are suitable for cutting concrete; the trapezoidal teeth have stronger cutting capability and have the tooth protection effect; the thin tooth has high cutting speed, but does not have other tooth shapes and is wear-resistant, so the thin tooth is suitable for cutting the wall body made of the hollow brick.

When the wall cutting machine is used, a water supply connector 131 on the side surface of a guide plate 1 is connected with a water supply pipe, a plug at the end part of a power line 36 is plugged with electricity, a starting switch 35, a handle 33 and a handle 34 are held in one hand, a chain 2 is cut facing to a part to be cut on a wall surface, hard objects such as concrete, bricks and the like can be cut due to the fact that cutting teeth 21 on the chain 2 are hard alloy teeth, water entering a water cavity in the guide plate 1 reaches the chain 2 along a water channel in the cutting process, the chain 2 is cooled, ash residues on the chain 2 are washed, the chain 2 is prevented from being blocked in the cutting process, meanwhile, the wall cutting machine has a dustproof effect, a protective cover 4 can block mud residues thrown out of the chain 2 and prevent the mud residues from splashing on workers, the protective cover can be overturned to be cleaned after cutting, a support roller 37 is supported on the wall surface in the cutting process, along with the deepening of cutting, gyro wheel 371 removes along the wall, and is more laborsaving.

The present invention has been described in detail with reference to the accompanying drawings and examples; however, those skilled in the art will appreciate that various changes and modifications to the specific parameters of the embodiments described above, or other substitutions for related parts, structures and materials may be made without departing from the spirit and scope of the invention, thereby forming a plurality of specific embodiments, all of which are common variations of the invention and will not be described in detail herein.

Claims

1. The utility model provides a wall cutting machine, includes the baffle, the cover is equipped with the chain on the baffle, be equipped with the cutting tooth on the chain, the baffle rear portion is equipped with the drive and connects the drive arrangement of chain, a serial communication port, the inside water cavity that is equipped with of baffle, the baffle side is equipped with and communicates the water supply joint in water cavity, the inside water course that still is equipped with of baffle, water course one end communicates the water cavity, the other end communicates the baffle side.

2. The wall cutter according to claim 1, wherein the guide plate is formed by connecting and assembling a first steel plate and a second steel plate which are matched, the opposite side surfaces of the first steel plate and the second steel plate are respectively and correspondingly provided with a cavity and a water tank, the cavity is assembled to form the water cavity, and the water tank forms the water channel; and a driven chain wheel and a driving chain wheel which are matched with the chain are respectively arranged at the front part and the rear part between the first steel plate and the second steel plate.

3. A wall cutter as claimed in claim 1 wherein a guard is provided over the front side of the drive means.

4. A wall cutter as claimed in claim 1, wherein roller supports are provided on both sides of the driving means, respectively, and rollers are provided on the bottoms of the roller supports.

5. A wall cutter as defined in claim 2, wherein said drive means includes a housing having a transmission disposed therein, said housing having a power means drivingly connected to said transmission on one side thereof, said transmission being drivingly connected to said drive sprocket; the rear side of the shell is provided with a handle, and the top of the shell is provided with a handle.

6. A wall cutter as claimed in claim 5, wherein the power means is a brushless variable frequency motor, an engine or a brush motor.

7. The wall cutter of claim 1, wherein the cutting teeth are alloy teeth, diamond teeth, or diamond composite alloy teeth; the two ends of the cutting teeth are hinged to chain links of the chain or welded to the chain links.

8. A wall cutter according to claim 7, wherein a first tooth guard plate and a second tooth guard plate are provided between adjacent cutting teeth, mounted on respective chain links, the first tooth guard plate including a first raised triangular portion and the second tooth guard plate including a second raised triangular portion, the first and second triangular portions being arranged in a V-shape.