CN215405487U

CN215405487U - Joint cutter convenient to change cutter

Info

Publication number: CN215405487U
Application number: CN202120524982.XU
Authority: CN
Inventors: 孙娜; 孟祥申
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2022-01-04
Anticipated expiration: 2031-03-12

Abstract

A joint cutter convenient for cutter replacement relates to the technical field of road maintenance and comprises a shell, wherein one side of the shell is connected with a push rod, a control panel is installed on the push rod, casters are arranged at the bottom of the shell and symmetrically arranged at four corners of the bottom of the shell, a fixing plate is arranged inside the shell, electric telescopic rods are symmetrically arranged on the bottom surfaces of two ends of the fixing plate, the end parts of the two electric telescopic rods are detachably connected with fixing blocks, round holes are formed in opposite sides of the two fixing blocks, a rotating shaft is inserted between the two round holes, a joint cutter is installed on the rotating shaft, motors are respectively connected to the outer sides of two ends of the rotating shaft, a dust collector is further arranged on the inner wall of the shell and is connected with a dust box through a pipeline, the dust box is detachably connected to the top of the shell, and the technical scheme of the utility model can realize that the joint cutter is convenient to replace, and the cutting position and the cutting depth can be adjusted according to actual needs.

Description

Joint cutter convenient to change cutter

Technical Field

The utility model relates to the technical field of road maintenance, in particular to a joint cutter convenient for cutter replacement.

Background

The cement concrete pavement is a pavement which takes cement concrete as a main material to make a surface layer, is called a concrete pavement for short, is also called a rigid pavement, is commonly called a white pavement and is a high-grade pavement, the cement concrete pavement has various pavements such as plain concrete, reinforced concrete, continuous reinforced concrete, prestressed concrete and the like, the concrete joint cutter is a small machine tool and has a simple structure, but has huge effect in the cement pavement construction, the joint cutting is also an essential link in the construction, the strength and the service life of the pavement are directly influenced, and the working principle is that the joint cutting operation is completed by a diamond saw blade driven by power.

The Chinese patent with publication number CN 107761533A and the name of 'road joint-cutting joint-filling machine' discloses joint-cutting joint-filling equipment, which comprises a support frame, a first motor, a second motor, a hand push rod, a discharge nozzle, a cutting gear, a support bottom plate and a stirring box body, wherein fixed blocks are respectively arranged at four corners of the bottom end of the support bottom plate, rotating shafts are transversely arranged among the fixed blocks, rolling wheels are respectively arranged at two sides of each rotating shaft, a bearing seat is arranged at one side of the top end of the support bottom plate, the top end of each bearing seat is hinged with the hand push rod, a controller is arranged at the middle position of the top end of the hand push rod, the support frame is arranged at the middle position of the top end of the support bottom plate, which is far away from the hand push rod, a first motor box is arranged at the middle position of the top end of the support frame, a first motor is arranged at the bottom end in the first motor box, and a driving shaft is transversely arranged at the output end of one side of the first motor, a driving wheel is installed on one side of the driving shaft, which is far away from the first motor box, cross rods are installed on two sides of the bottom end of the supporting frame, a driven shaft is transversely installed at the middle position between the cross rods, a cutting gear is installed at the middle position of the driven shaft, a driven wheel is installed on the driven shaft under the driving wheel, the driven wheel is connected with the driving wheel through a connecting belt, a stirring box body is installed at the top end of a supporting bottom plate between the supporting frame and a hand push rod, supporting columns are installed at four corners of the bottom end of the stirring box body and connected with the supporting bottom plate, a second motor box is installed at the middle position of the top end of the stirring box body, a second motor is installed at the bottom end of the interior of the second motor box, a stirring shaft is vertically installed at the bottom end of the second motor and penetrates through the stirring box body, and stirring blades are evenly installed on the stirring shaft inside the stirring box body, the stirring device comprises a stirring box body, a discharge hole is formed in the middle of the bottom end of the stirring box body, a discharge nozzle is installed at the bottom end of the discharge hole, a feed hole is formed in the middle of the top end of one side of the stirring box body, and the stirring device has the advantages that: (1) this joint-cutting crack filling machine of road is through installing first motor, driving shaft, action wheel, connecting belt, driven shaft, following driving wheel and cutting gear, and first motor drives the driving shaft and the action wheel rotates together when using, and the action wheel drives from driving wheel and driven shaft rotation through connecting the belt to drive the cutting gear and rotate, cut the road surface, and mechanized operation is convenient fast. (2) This road joint-cutting caulking machine stirs the raw materials through installing second motor, (mixing) shaft and stirring fan blade when using, prevents that it from solidifying influence work. (3) This road joint-cutting caulking machine is through installing discharge gate and ejection of compact shower nozzle for can change ejection of compact shower nozzle at any time when caulking the joint-cutting of the different degree of depth, make joint-cutting more perfect. (4) The road joint-cutting caulking machine is convenient to move by installing the idler wheels and the hand push rod. There are some drawbacks: 1. the cutting gear is not convenient to replace; 2. the cutting gear is fixed in position and cannot be adjusted, and the cutting of the road corners is not facilitated; 3. the belt is short in service life without being protected by a shell, and as is well known, road maintenance generally works in sunny days, the belt is damaged by hot sun irradiation, and needs to be replaced frequently, so that the cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a joint cutter convenient for cutter replacement, which can solve the problem that a cutting gear is inconvenient to replace in the background technology 1; 2. the cutting gear is fixed in position and cannot be adjusted, and the cutting of the road corners is not facilitated; 3. the belt is short in service life without being protected by a shell, and the well-known technical problems that the belt is generally operated in sunny days and damaged by sun exposure, needs to be replaced frequently and the cost is increased are solved.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a joint cutter convenient for cutter replacement comprises a shell, wherein one side of the shell is connected with a push rod, the push rod is provided with a control panel, the bottom of the shell is provided with trundles, the trundles are symmetrically arranged at four corners of the bottom of the shell, a fixed plate is arranged in the shell, two sides of the fixed plate are in bolted connection with the inner wall of the shell, electric telescopic rods are symmetrically arranged on the bottom surfaces of two ends of the fixed plate, the end parts of the two electric telescopic rods are detachably connected with fixed blocks, one side of each of the two fixed blocks, which is opposite to each other, is provided with a round hole, a rotating shaft is inserted between the two round holes, two ends of the rotating shaft, which are inserted into the round holes, are smooth surfaces, the rest parts are provided with external threads, a joint cutter is arranged on the rotating shaft, the center of the joint cutter is provided with a through hole, the through hole is internally provided with an internal thread matched with the external thread on the rotating shaft, and the outer sides of two ends of the rotating shaft are respectively connected with a motor, still be equipped with the dust catcher on the shell inner wall, dust catcher fixed connection is on the shell inner wall, the dust catcher has the dust box through pipe connection, the connection can be dismantled at the shell top to the dust box.

In the utility model, the push rod and the caster are arranged, so that the joint cutter can be conveniently moved; the electric telescopic rod can adjust the height position of the joint cutter, is suitable for the requirements of cutting joints with different depths, and can accommodate the joint cutter into the shell through the electric telescopic rod when not in use so as to prevent scratches; the end part of the electric telescopic rod is detachably connected with a fixed block, the joint cutting knife is in threaded connection with a rotating shaft between the two fixed blocks, when the joint cutting knife is worn, the rotating shaft can be separated from the two fixed blocks by detaching the fixed blocks on the two sides, the joint cutting knife is manually rotated along the thread direction to be taken down, the joint cutting knife is replaced by a new one, and finally the two fixed blocks are connected to the end part of the electric telescopic rod, wherein the detachable connection mode is bolt connection; because the joint cutting knife is in threaded connection with the rotating shaft, the joint cutting knife can move transversely on the rotating shaft conveniently, the joint cutting position can be changed, and the joint cutting knife is particularly convenient for cutting the outermost side of a road. Set up the dust catcher and do benefit to and concentrate the road surface dust grit after the cutting joint cutter cutting and collect dust incasement unified processing, avoid the staff to influence healthy because of inhaling a large amount of dust.

In order to prevent the displacement of the slitting knife during rotation, preferably, two clamping blocks are respectively arranged on two sides of the slitting knife, and the two clamping blocks are in threaded connection with the rotating shaft.

In order to enhance the clamping effect of the clamping block, preferably, the slitting cutter is of a tooth-shaped structure with a thick middle and a thin edge, round tables are respectively arranged on two sides of the through hole of the slitting cutter, the two round tables and the slitting cutter are of an integral structure, and the height of the clamping block is not less than the diameter of the round tables and is less than the diameter of the slitting cutter.

In order to improve the service life of the slitting cutter, the rotating shaft is preferably of a hollow structure, and cooling liquid is injected into the hollow structure.

In order to facilitate the real-time observation of the cutting condition during the operation of the slitting cutter, preferably, an observation window is arranged on one side of the shell close to the push rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. the control panel, the fixing plate, the electric telescopic rod, the fixing block, the rotating shaft and the slitting knife are arranged, so that the slitting knife can be conveniently taken into the shell when not in use, the scratching can be prevented, and meanwhile, the cutting depth can be adjusted.

2. Through setting up joint cutter and pivot threaded connection, be convenient for adjust the transverse position of joint cutter, be convenient for cut the edge of road surface both sides, and do benefit to the position of fixed joint cutter through setting up the tight piece of clamp, prevent that the joint cutter from taking place the displacement at the during operation.

3. Can dismantle with electric telescopic handle through setting up the fixed block and be connected, can realize conveniently changing the joint cutter.

4. Through setting up dust catcher and dust box, can collect the dust after the cutting, centralized processing.

5. Through setting up the observation window, the real-time supervision cutting condition of being convenient for, the timely processing of having a problem.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic perspective view of a slitting machine convenient for tool replacement according to the present invention;

fig. 2 is a schematic view of the internal structure of a slitting machine convenient for tool replacement according to the present invention.

Description of reference numerals:

the device comprises a shell, a push rod, a control panel, a caster, a fixing plate, an electric telescopic rod, a fixing block, a rotating shaft, a joint cutter, a motor, a dust collector, a dust box, a clamping plate, a rotary table and an observation window, wherein the shell is 1 part, the push rod is 2 part, the control panel is 3 part, the caster is 4 part, the fixing plate is 5 part, the electric telescopic rod is 6 part, the fixing block is 7 part, the rotating shaft is 8 part, the joint cutter is 9 part, the motor is 10 part, the dust collector is 11 part, the dust box is 12 part, the clamping plate is 13 part, the rotary table is 14 part, and the observation window is 15 part.

Detailed Description

The utility model will be described in detail by way of example with reference to the accompanying drawings, which form a part hereof, and in which it is to be understood that the described embodiments are by way of illustration only, and not by way of limitation.

As shown in fig. 1-2, a joint cutter convenient for cutter replacement comprises a housing 1, wherein one side of the housing 1 is connected with a push rod 2, the push rod 2 is provided with a control panel 3, an electric telescopic rod 6 is controlled to expand and contract through the control panel 3, and one side of the housing 1 close to the push rod 2 is provided with an observation window 15, so that a worker can push the joint cutter and observe the working condition of the joint cutter; the bottom of the shell 1 is provided with trundles 4, the trundles 4 are symmetrically arranged at four corners of the bottom of the shell 1, a fixed plate 5 is arranged in the shell 1, two sides of the fixed plate 5 are in bolted connection with the inner wall of the shell 1, the bottom surfaces of two ends of the fixed plate 5 are symmetrically provided with electric telescopic rods 6, the electric telescopic rods 6 are in bolted connection with the fixed plate 5, the end parts of the two electric telescopic rods 6 are detachably connected with fixed blocks 7, one opposite sides of the two fixed blocks 7 are provided with round holes, a rotating shaft 8 is inserted between the two round holes, two ends of the rotating shaft 8 inserted into the round holes are smooth surfaces, the rest parts are provided with external threads, the rotating shaft 8 is provided with a slitting knife 9, the center of the slitting knife 9 is provided with a through hole, the through hole is internally provided with internal threads matched with the external threads on the rotating shaft 8, and two sides of the slitting knife 9 are respectively provided with clamping blocks 13, the clamping blocks 13 are in a circular, square, rhombic or polygonal structure, and the two clamping blocks 13 are in threaded connection with the rotating shaft 8. The rotating shaft 8 is of a hollow structure, and cooling liquid is injected into the hollow structure. The outer sides of two ends of the rotating shaft 8 are respectively connected with a motor 10, a dust collector 11 is further arranged on the inner wall of the shell 1, the dust collector 11 is fixedly connected onto the inner wall of the shell 1, the dust collector 11 is connected with a dust box 12 through a pipeline, and the dust box 12 is detachably connected to the top of the shell 2.

The fixing block 7 in the present invention may be replaced with a bearing housing and a bearing.

In order to further enhance the clamping effect of the clamping block 13, the slitting knife 9 is of a tooth-shaped structure with a thick middle part and a thin edge, round platforms 14 are respectively arranged on two sides of a through hole of the slitting knife 9, the two round platforms 14 and the slitting knife 9 are of an integral structure, and the height of the clamping block 13 is not less than the diameter of the round platforms 14 and is less than the diameter of the slitting knife 9.

The working principle is as follows: during the use, control panel 3 control electric telescopic handle 6 stretches out for joint cutter 9 and road surface contact, starter motor 10 drive pivot 8 rotatory, thereby drive joint cutter 9 and cut the road surface, and the dust that produces after the cutting is inhaled the storage in dust box 12 through dust catcher 11, final unified processing. When not in use, the control panel 3 controls the electric telescopic rod 6 to contract, so that the slitting knife 9 is accommodated in the shell 1.

When the cutting knife 9 is replaced, the bolt between the fixing plate 5 and the shell 1 is loosened, the shell 1 is taken down, the fixing plate 5 and the parts connected with the fixing plate 5 are exposed in the air, the bolt between the electric telescopic rod 6 and the fixing block 7 is loosened, the two fixing blocks 7 are taken down, the rotating shaft 8 is taken out from the two fixing blocks 7, the cutting knife 9 and the clamping block 13 are rotated to be separated from the rotating shaft 8, the new cutting knife 9 is re-screwed to the proper position of the rotating shaft 8, the clamping block 13 clamps the new cutting knife, the rotating shaft 8 is finally inserted between the two fixing blocks 7, the bolt is fixed to the end part of the electric telescopic rod 6, and finally the shell 1 and the fixing plate 5 are connected.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the application concepts of the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. The utility model provides a joint cutter convenient to change cutter, includes shell (1), shell (1) one side is connected with push rod (2), install control panel (3) on push rod (2), shell (1) bottom is provided with truckle (4), truckle (4) symmetry sets up four corners in shell (1) bottom, its characterized in that: the utility model discloses a novel electric dust collector, including shell (1), be equipped with fixed plate (5) inside shell (1), the both sides and shell (1) inner wall bolted connection of fixed plate (5), fixed plate (5) both ends bottom surface symmetry is provided with electric telescopic handle (6), the tip of two electric telescopic handle (6) can be dismantled and be connected with fixed block (7), the round hole has been seted up to one side that two fixed block (7) are relative, just it is equipped with pivot (8) to insert between two round holes, the both ends that pivot (8) inserted in the round hole are the smooth surface, and other parts are equipped with the external screw thread, install joint cutter (9) on pivot (8), the through-hole has been seted up at the center of joint cutter (9), and is equipped with the internal thread that matches with the external screw thread on pivot (8) in the through-hole, the pivot (8) both ends outside is connected with motor (10) respectively, still be equipped with dust catcher (11) on shell (1) inner wall, dust catcher (11) fixed connection is on shell (1) inner wall, dust catcher (11) have dust box (12) through the pipe connection, dust box (12) can be dismantled and connect at shell (1) top.

2. The slitting machine facilitating tool change as set forth in claim 1, wherein: and two clamping blocks (13) are respectively arranged on two sides of the slitting knife (9), and the two clamping blocks (13) are in threaded connection with the rotating shaft (8).

3. The slitting machine facilitating tool change as set forth in claim 2, wherein: the cutting and sewing cutter (9) is of a tooth-shaped structure with a thick middle part and a thin edge, round tables (14) are respectively arranged on two sides of a through hole of the cutting and sewing cutter (9), the two round tables (14) and the cutting and sewing cutter (9) are of an integral structure, and the height of the clamping block (13) is not less than the diameter of the round tables (14) and is less than the diameter of the cutting and sewing cutter (9).

4. The slitting machine facilitating tool change as set forth in claim 1, wherein: the rotating shaft (8) is of a hollow structure, and cooling liquid is injected into the hollow structure.

5. The slitting machine facilitating tool change as set forth in claim 1, wherein: an observation window (15) is arranged on one side of the shell (1) close to the push rod (2).