CN210946428U - Cleaning device for concrete pavement joint - Google Patents

Abstract

The utility model provides a cleaning device for concrete pavement seam, include the cleaning device body that has axis of rotation (4), the setting is and have saw blade group (5) of two at least saw bits on axis of rotation (4), the setting is in saw blade group (5) and the saw bit of control saw blade group (5) is in the driving lever device of foling or expansion state, through the cleaning device body, realized moving saw blade group (5) and rotated, through driving lever device and saw blade group (5), the regulation of cutting clearance width has been realized, thereby satisfy and clear up the concrete pavement seam that the width is 6-20mm, consequently, satisfy the clearance of concrete pavement seam.

Description

Cleaning device for concrete pavement joint

Technical Field

The utility model relates to a cleaning device, especially a cleaning device for concrete pavement seam.

Background

When the service time of the bonding filler of the concrete pavement joint is old, the bonding filler needs to be refilled into the concrete pavement joint, so that the connection strength of the concrete pavement joint is ensured, the old bonding filler between the concrete pavement joints needs to be cleaned, and therefore the cleaning device for the concrete pavement joint is an important concrete pavement device.

The technical scheme of the invention is made based on the technical problems, technical features and technical effects in the technical background of the applicant.

Disclosure of Invention

The object of the utility model is a cleaning device for concrete pavement seam.

In order to overcome the technical defect, the utility model aims at providing a cleaning device for concrete pavement seam, consequently satisfy the clearance of concrete pavement seam.

In order to achieve the purpose, the utility model adopts the technical proposal that: the cleaning device comprises a cleaning device body with a rotating shaft, a saw blade group which is arranged on the rotating shaft and is provided with at least two saw blades, and a deflector rod device which is arranged in the saw blade group and controls the saw blades of the saw blade group to be in a folded or unfolded state.

Due to the design of the cleaning device body, the driving lever device and the saw blade group, the driving saw blade group is rotated through the cleaning device body, and the cutting and cleaning width is adjusted through the driving lever device and the saw blade group, so that the concrete pavement joint with the width of 6-20mm is cleaned, and the cleaning of the concrete pavement joint is met.

The utility model discloses a, according to the mode of adjusting to cutting clearance width to hookup cleaning device body, driving lever device and saw bit group each other.

The utility model discloses a, according to the mode of adjusting the distance between two sets of saw bits couple driving lever device and saw bit group and cleaning device body hookup.

The utility model discloses a, the cleaning device body still includes motor, belt drive, rotating shaft seat and fixation nut.

The utility model discloses a, driving lever device sets up to including link means, spring and saw bit seat group.

The utility model discloses a, pivot seat and link means set up in the frame, and the axis of rotation setting is in the pivot seat and be provided with belt drive between motor and axis of rotation, and fixation nut and saw bit seat group set up in the axis of rotation and be provided with link means between fixation nut and saw bit seat group, and the saw bit group sets up on saw bit seat group and the spring setting is in saw bit seat group.

The utility model discloses a, the casing of motor sets up to hookup and the end shaft of motor sets up to hookup with belt drive with the frame.

The utility model discloses a, the rotation axis seat sets up to the tube-like body and the rotation axis seat sets up to hookup with the frame, and the rotation axis seat sets up to and runs through the cluster formula hookup with the axis of rotation and is provided with the bearing between rotation axis seat and axis of rotation.

The utility model discloses a, the left end of axis of rotation sets up to hookup with the axis of rotation rotary type and the left end sets up to hookup with belt drive, the right-hand member head of axis of rotation sets up to hookup with link means, spring and saw bit seat group plug-in type and the right end sets up to hookup with fixation nut screw thread formula, and left end and right-hand member head set up respectively to circular rod-shaped body and left end and right-hand member head set up to be step axle and distribute.

The utility model discloses a, belt drive's driving pulley sets up to the end shaft hookup with the motor and belt drive's driven pulleys sets up to hookup with the axis of rotation, is provided with driving belt between belt drive's driving pulley and belt drive's driven pulleys.

The utility model discloses a, saw bit seat group sets up to include first seat and second seat and first seat and second seat set up respectively to articulate with the axis of rotation bell and spigot joint formula, the left end terminal surface portion of first seat sets up to articulate with axis of rotation contact and the right-hand member terminal surface portion of first seat sets up to articulate with one of them end contact of spring, the left end terminal surface portion of second seat sets up to articulate with the wherein another end contact of spring and the right-hand member terminal surface portion of second seat sets up to articulate with the link means contact, first seat and second seat set up respectively to articulate through screw rod and saw bit group and first seat and second seat set up respectively to the T font siphonozooid.

The utility model discloses a, the spring sets up to circular post spring and the spring sets up to the hookup with axis of rotation cup joint formula, and the end of spring sets up respectively to linking with saw bit seat group.

The utility model discloses a, the link means sets up to including first pole portion, second pole portion, third pole portion, fourth pole portion and fifth pole portion and the intermediate part of first pole portion sets up to hookup through round pin axle and frame, one of them end of first pole portion sets up to hookup with axis of rotation bell and spigot joint formula and one of them end of first pole portion sets up between fixation nut and saw bit seat group, wherein another end of first pole portion sets up to hookup through one of them end of round pin axle with second pole portion and one of them end of second pole portion sets up to hookup through one of them end of round pin axle with third pole portion, wherein another end of third pole portion sets up to hookup through round pin axle and frame and the intermediate part of third pole portion sets up to hookup through one of them end of round pin axle with fourth pole portion, wherein another end of fourth pole portion sets up to hookup through one of them end of round pin axle with fifth pole portion and wherein another end of fifth pole The head is connected with the frame through a pin shaft, and the first rod part, the second rod part, the third rod part, the fourth rod part and the fifth rod part are respectively arranged into rectangular strip-shaped bodies.

The utility model discloses a, fixation nut sets up to hexagon nut and fixation nut sets up to hookup with axis of rotation screw thread formula, and fixation nut's inner end face portion sets up to hookup through gasket and connecting rod device contact.

The utility model discloses a, the saw bit group sets up to include first saw bit portion and second saw bit portion and first saw bit portion and second saw bit portion set up respectively to be linked to with saw bit seat group.

The utility model discloses a, the intermediate part of the disk portion of first saw blade portion and the disk portion of second saw blade portion is provided with the cup joint hole body and is provided with the threaded rod hole body in the disk portion, be provided with the sawtooth body and be provided with the opening body between two adjacent sawtooth bodies in the peripheral side portion of disk portion, be provided with the transition body and disk portion sets up to circular lamellar body at the bottom tip of the opening body, cup joint the hole body and set up to with the axis of rotation hookup and the threaded rod hole body sets up to and sets up the screw rod hookup at saw bit seat group, cup joint the hole body, the threaded rod hole body sets up respectively to the circular hole body and at least three threaded rod hole body sets up to along the peripheral interval arrangement distribution that cup joints the hole body, the sawtooth body sets up to the arc body and.

The utility model discloses a, including a motor, a belt drive, the axle bed rotates, axis of rotation and fixation nut and saw bit group, link means, spring and saw bit group set up to distribute and the center line of axle bed rotates according to the mode of clearing up the piece group, the center line of axis of rotation, the center line of saw bit group, the center line of spring, the center line of fixation nut and the center line setting of saw bit group are on same straight line, the threaded rod hole body of first saw bit portion sets up to hookup with first seat portion, the threaded rod hole body of second saw bit portion sets up to hookup with the second seat portion, cup joint the hole body and set up to hookup with the right-hand member head, first pole portion sets up to hookup with the right-hand member head, first seat portion and second seat portion set up respectively to hook.

The technical effects of the utility model reside in that: the motor drives the belt pulley, the belt transmits for the transmission shaft, the transmission shaft is connected for splined connection with the saw bit, the pressure spring is installed in two saw bits, the external dimension of two saw bits of original state is 20mm, when the saw bit is butt jointed, through pressing down the fork device, promote two saw bit distances and reduce, minimum is 6mm, the saw bit falls into the seam, loosen the fork device, two saw bits increase two saw bit distances under the spring action, realize that the saw bit guarantees promptly in 6-20mm seam, can both clear away the remaining old material of both sides wall.

In the technical scheme, the motor can be replaced by an internal combustion engine or a belt pulley.

In this technical scheme, the saw bit group is basic unit spare, also the utility model discloses a necessary technical feature, motor, belt drive, pivot seat, axis of rotation, link means, spring, fixation nut and saw bit seat group are functional unit, realize the utility model discloses a characteristic of other technological effects, left end, right end, first seat, second seat, first pole portion, second pole portion, third pole portion, fourth pole portion, fifth pole portion, first saw bit portion, second saw bit portion, disc piece portion, cup joint the hole body, threaded rod hole body, the sawtooth body, the opening body, the design of these technical features of transition body are the technical feature who accords with the patent law and implement the rule.

In the technical scheme, the cleaning device body, the deflector rod device and the saw blade group for adjusting the cutting and cleaning width are important technical characteristics, and have novelty, creativity and practicability in the technical field of the cleaning device for the concrete pavement joint, and terms in the technical scheme can be explained and understood by patent documents in the technical field.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 is a schematic view of the present invention,

figure 2 is a schematic structural view of the saw blade assembly 5 of the present invention,

the saw blade mechanism comprises a motor-1, a belt transmission device-2, a rotary shaft seat-3, a rotary shaft-4, a saw blade group-5, a connecting rod device-6, a spring-7, a fixing nut-8, a saw blade seat group-9, a left end-41, a right end-42, a first seat-91, a second seat-92, a first rod-61, a second rod-62, a third rod-63, a fourth rod-64, a fifth rod-65, a first saw blade part-51, a second saw blade part-52, a disk part-59, a sleeving hole body-58, a threaded rod hole body-57, a sawtooth body-56, an opening body-55 and a transition body-54.

Detailed Description

Terms such as "having," "including," and "comprising," as used herein with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and unless otherwise specified, the equipment and materials used in the following examples are commercially available, and if the processing conditions are not specified, please refer to the purchased product specification or follow the conventional method in the art.

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.

Fig. 1 is the first embodiment of the present invention, combine the figure to specifically describe this embodiment, include motor 1, belt drive 2, pivot seat 3, axis of rotation 4, blade group 5, link means 6, spring 7, fixation nut 8 and blade holder group 9 and pivot seat 3 and link means 6 set up in the frame, axis of rotation 4 sets up in pivot seat 3 and is provided with belt drive 2 between motor 1 and axis of rotation 4, fixation nut 8 and blade holder group 9 set up on axis of rotation 4 and are provided with link means 6 between fixation nut 8 and blade holder group 9, blade group 5 sets up on blade holder group 9 and spring 7 sets up in blade holder group 9.

In the present embodiment, the housing of the motor 1 is arranged to be coupled with the frame and the end shaft of the motor 1 is arranged to be coupled with the belt drive 2.

Through motor 1, formed the support tie point to belt drive 2, by motor 1, realized being connected with belt drive 2, its technical aim at: for acting as a rotational power for the saw blade group 5.

In the present embodiment, the shaft seat 3 is provided as a cylindrical body and the shaft seat 3 is provided to be coupled with the frame, the shaft seat 3 is provided to be coupled with the rotating shaft 4 in a penetrating manner and a bearing is provided between the shaft seat 3 and the rotating shaft 4.

Through rotating shaft seat 3, formed the support tie point to rotating shaft 4, by rotating shaft seat 3, realized being connected with rotating shaft 4, its technical aim at: for serving as a rotational support carrier for the rotational shaft 4.

In the present embodiment, the left end 41 of the rotating shaft 4 is configured to be rotatably coupled with the rotating shaft seat 3 and the left end 41 is configured to be coupled with the belt transmission device 2, the right end 42 of the rotating shaft 4 is configured to be plug-in coupled with the connecting rod device 6, the spring 7 and the blade holder set 9 and the right end 42 is configured to be screw-coupled with the fixing nut 8, the left end 41 and the right end 42 are respectively configured to be circular rod-shaped bodies and the left end 41 and the right end 42 are configured to be distributed in a stepped shaft.

Through axis of rotation 4, formed belt drive 2, axle seat 3, link means 6, spring 7, fixation nut 8 and saw bit seat group 9's support tie point, by left end 41, realized being connected with belt drive 2, realized being connected with axle seat 3, by right-hand end 42, realized being connected with link means 6, realized being connected with spring 7, realized being connected with fixation nut 8, realized being connected with saw bit seat group 9, its technical aim at: for use as a rotating support carrier for other components.

In the present embodiment, the driving pulley of the belt transmission 2 is provided to be coupled with the end shaft of the motor 1 and the driven pulley of the belt transmission 2 is provided to be coupled with the rotation shaft 4, and a transmission belt is provided between the driving pulley of the belt transmission 2 and the driven pulley of the belt transmission 2.

Through belt drive 2, formed the support tie point to motor 1 and axis of rotation 4, by belt drive 2, realized being connected with motor 1, realized being connected with axis of rotation 4, its technical aim at: for driving the rotating shaft 4 to rotate.

In the present embodiment, the blade holder set 9 is configured to include a first holder portion 91 and a second holder portion 92 and the first holder portion 91 and the second holder portion 92 are respectively configured to be coupled with the rotating shaft 4 in a socket manner, a left end surface portion of the first holder portion 91 is configured to be coupled with the rotating shaft 4 in a contact manner and a right end surface portion of the first holder portion 91 is configured to be coupled with one end of the spring 7 in a contact manner, a left end surface portion of the second holder portion 92 is configured to be coupled with the other end of the spring 7 in a contact manner and a right end surface portion of the second holder portion 92 is configured to be coupled with the link device 6 in a contact manner, the first holder portion 91 and the second holder portion 92 are respectively configured to be coupled with the blade set 5 by a screw and the first holder portion 91 and.

Through saw blade seat group 9, formed the support connection point to pivot 4, saw blade group 5, link means 6 and spring 7, by first seat 91 and second seat 92, realized being connected with pivot 4, realized being connected with saw blade group 5, realized being connected with spring 7, by second seat 92, realized being connected with link means 6, its technical aim at: for serving as a support carrier for the saw blade group 5.

In the present embodiment, the spring 7 is configured as a circular column spring and the spring 7 is configured to be coupled with the rotating shaft 4 in a sleeved manner, and the ends of the spring 7 are respectively configured to be coupled with the blade holder sets 9.

Through spring 7, formed the support tie point to swivel axis 4 and blade holder group 9, by spring 7, realized being connected with swivel axis 4, realized being connected with blade holder group 9, its technical aim at: for elastically restoring the saw blade between the groups 5 of saw blades.

In this embodiment, the link means 6 is configured to include a first rod portion 61, a second rod portion 62, a third rod portion 63, a fourth rod portion 64 and a fifth rod portion 65, and the middle portion of the first rod portion 61 is configured to be coupled to the frame by a pin, one end of the first rod portion 61 is configured to be coupled to the rotating shaft 4 in a sleeved manner and one end of the first rod portion 61 is disposed between the fixing nut 8 and the blade holder set 9, the other end of the first rod portion 61 is configured to be coupled to one end of the second rod portion 62 by a pin and the other end of the second rod portion 62 is configured to be coupled to one end of the third rod portion 63 by a pin, the other end of the third rod portion 63 is configured to be coupled to the frame by a pin and the middle portion of the third rod portion 63 is configured to be coupled to one end of the fourth rod portion 64 by a pin, the other end of the fourth rod part 64 is configured to be coupled with one end of the fifth rod part 65 through a pin shaft, the other end of the fifth rod part 65 is configured to be coupled with the frame through a pin shaft, and the first rod part 61, the second rod part 62, the third rod part 63, the fourth rod part 64 and the fifth rod part 65 are respectively configured to be rectangular strip-shaped bodies.

Through link means 6, formed the support tie point to pivot 4, fixation nut 8 and saw bit seat group 9, by first pole portion 61, realized being connected with pivot 4, realized being connected with fixation nut 8, realized being connected with saw bit seat group 9, by second pole portion 62, third pole portion 63, fourth pole portion 64 and fifth pole portion 65, realized the swing to first pole portion 61, its technical aim at: for compressing the blades between the blade sets 5.

In the present embodiment, the fixing nut 8 is provided as a hexagonal nut and the fixing nut 8 is provided to be screw-coupled with the rotating shaft 4, and the inner end surface portion of the fixing nut 8 is provided to be contact-coupled with the link device 6 through a washer.

Through fixation nut 8, formed the support tie point to pivot 4 and link means 6, by fixation nut 8, realized being connected with pivot 4, realized being connected with link means 6, its technical aim at: for positioning and fixing the connecting rod device 6 at the end of the rotating shaft 4.

In the present embodiment, the blade set 5 is configured to include a first blade portion 51 and a second blade portion 52 and the first blade portion 51 and the second blade portion 52 are respectively configured to be coupled with the blade holder set 9.

Through blade group 5, formed the support connection point to blade holder group 9, by first blade portion 51 and second blade portion 52, realized being connected with blade holder group 9, its technical aim at: the cleaning machine is used for cleaning the concrete pavement joint.

In the present embodiment, a socket hole body 58 is provided in the middle portion of the disk portion 59 of the first blade portion 51 and the disk portion 59 of the second blade portion 52 and a screw hole body 57 is provided in the disk portion 59, a serration body 56 is provided on the peripheral side surface portion of the disk portion 59 and an opening body 55 is provided between two adjacent serration bodies 56, be provided with transition body 54 and disc portion 59 sets up to circular lamellar body at the bottom end tip of opening body 55, cup joint hole body 58 sets up to coupleing with axis of rotation 4 and threaded rod hole body 57 sets up to coupleing with the screw rod that sets up at blade holder group 9, cup joint hole body 58, threaded rod hole body 57 and transition body 54 set up respectively to circular hole body and at least three threaded rod hole body 57 sets up to the peripheral interval arrangement distribution along cup joint hole body 58, sawtooth body 56 sets up to the arc body and opening body 55 sets up to Y font slot body.

The coupling with the rotating shaft 4 is realized by the sleeve hole body 58, the coupling with the saw blade seat group 9 is realized by the threaded rod hole body 57, and the cleaning of the bonding filler of the concrete pavement joint is realized by the disc part 59, the sawtooth body 56, the opening body 55 and the transition body 54.

In the present embodiment, the motor 1, the belt transmission 2, the rotary shaft seat 3, the rotary shaft 4, the fixing nut 8, the blade group 5, the link device 6, the spring 7, and the blade seat group 9 are arranged to be distributed in a manner of cleaning the blade group, and the center line of the rotary shaft seat 3, the center line of the rotary shaft 4, the center line of the blade group 5, the center line of the spring 7, the center line of the fixing nut 8, and the center line of the blade seat group 9 are arranged on the same straight line, the threaded rod hole 57 of the first blade portion 51 is arranged to be coupled to the first seat portion 91, the threaded rod hole 57 of the second blade portion 52 is arranged to be coupled to the second seat portion 92, the socket hole 58 is arranged to be coupled to the right end 42, the first rod portion 61 is arranged to be coupled to the right end 42, and the first seat portion 91 and the second seat portion.

When cleaning the adhesive filler of the concrete pavement joint, the motor 1 is started, the rotating shaft 4 is driven to rotate in the rotating shaft seat 3 through the belt transmission device 2, the operator presses the fifth rod part 65, the third rod part 63 swings through the fourth rod part 64, the third rod part 63 swings through the second rod part 62, the lower end of the first rod part 61 moves leftwards along the right end 42, the second seat part 92 moves leftwards along the right end 42 against the elastic energy storage of the spring 7, the second seat part 92 is folded with the first seat part 91, the disc part 59 of the first saw blade part 51 and the disc part 59 of the second saw blade part 52 are folded, the disc part 59 of the first saw blade part 51 and the disc part 59 of the second saw blade part 52 are placed in the concrete pavement joint, the operator moves away from the fifth rod part 65, under the elastic energy storage effect of the spring 7, the second seat portion 92 is moved rightward along the right end 42 to separate the second seat portion 92 from the first seat portion 91, the disk portion 59 of the first blade portion 51 and the disk portion 59 of the second blade portion 52 are separated, the residual adhesive filler is cleaned on both side walls in the joint of the concrete pavement surface by the disk portion 59 of the first blade portion 51 and the disk portion 59 of the second blade portion 52, and after the adhesive filler in the joint of the concrete pavement surface is cleaned, the operator pushes the fifth lever portion 65 again to fold the disk portion 59 of the first blade portion 51 and the disk portion 59 of the second blade portion 52, thereby taking out the disk portion 59 of the first blade portion 51 and the disk portion 59 of the second blade portion 52 from the joint of the concrete pavement surface.

The second embodiment of the present invention connects the cleaning device body, the shift lever device and the saw blade group 5 to each other in a manner of adjusting the cutting cleaning width.

In the embodiment, the deflector rod device and the saw blade group 5 are connected with the cleaning device body in a mode of adjusting the distance between the two groups of saw blades.

In this embodiment, the cleaning device body further includes a motor 1, a belt transmission device 2, a rotation shaft seat 3, and a fixing nut 8.

In the present embodiment, the lever device is configured to include a linkage 6, a spring 7 and a blade holder set 9.

A second embodiment of the present invention is based on the first embodiment,

the utility model has the characteristics of down:

1. due to the design of the cleaning device body, the driving lever device and the saw blade group 5, the driving saw blade group 5 is rotated through the cleaning device body, and the cutting and cleaning width is adjusted through the driving lever device and the saw blade group 5, so that the concrete pavement joint with the width of 6-20mm is cleaned, and the cleaning of the concrete pavement joint is met.

2. Because the motor 1, the belt transmission device 2, the rotating shaft seat 3 and the fixing nut 8 are designed, the connection between the deflector rod device and the saw blade group 5 is realized.

3. Due to the design of the connecting rod device 6, the spring 7 and the blade seat group 9, the state control of the blades of the blade group 5 is realized.

4. Due to the design of the disc part 59, the sleeve hole body 58, the threaded rod hole body 57, the sawtooth body 56, the opening body 55 and the transition body 54, the cutting of the bonding filler of the concrete pavement joint is realized.

5. Owing to designed the utility model discloses a technical characteristic, in technical characteristic's the effect alone and mutual set, through experimental demonstration, the utility model discloses an each item performance index is 1.7 times at least for current each item performance index, has fine market value through the aassessment.

Other technical features associated with the cleaning device body for adjusting the cutting cleaning width, the lever device and the saw blade set 5 are all one of the embodiments of the present invention, and the technical features of the above-mentioned embodiments can be combined arbitrarily, and in order to meet the requirements of patent laws, patent implementation rules and examination guidelines, all possible combinations of the technical features of the above-mentioned embodiments will not be described.

Therefore in the cleaning device technical field who is used for concrete pavement seam, all include the cleaning device body that has axis of rotation 4, set up on axis of rotation 4 and have saw blade group 5, the setting of two at least saw blades in saw blade group 5 and the saw blade of control saw blade group 5 is in the technological content of the driving lever device of fold or expansion state all be in the protection scope of the utility model.

Claims (10)

1. A cleaning device for concrete pavement joints is characterized in that: comprises a cleaning device body with a rotating shaft (4), a saw blade group (5) which is arranged on the rotating shaft (4) and is provided with at least two saw blades, and a deflector rod device which is arranged in the saw blade group (5) and controls the saw blades of the saw blade group (5) to be in a folding or unfolding state.

2. A cleaning device for concrete pavement joints as claimed in claim 1, wherein: the cleaning device body, the deflector rod device and the saw blade group (5) are mutually connected in a manner of adjusting the cutting and cleaning width.

3. A cleaning device for concrete pavement joints as claimed in claim 2, wherein: the deflector rod device and the saw blade group (5) are connected with the cleaning device body in a mode of adjusting the distance between the two groups of saw blades.

4. A cleaning device for concrete pavement joints as claimed in claim 1, wherein: the cleaning device body also comprises a motor (1), a belt transmission device (2), a rotating shaft seat (3) and a fixing nut (8),

or the deflector rod device comprises a connecting rod device (6), a spring (7) and a saw blade seat group (9).

5. A cleaning device for concrete pavement joints according to claim 4, further comprising: the rotary shaft seat (3) and the connecting rod device (6) are arranged on the frame, the rotary shaft (4) is arranged in the rotary shaft seat (3) and the belt transmission device (2) is arranged between the motor (1) and the rotary shaft (4), the fixing nut (8) and the saw blade seat group (9) are arranged on the rotary shaft (4) and the connecting rod device (6) is arranged between the fixing nut (8) and the saw blade seat group (9), and the saw blade group (5) is arranged on the saw blade seat group (9) and the spring (7) is arranged in the saw blade seat group (9).

6. A cleaning device for concrete pavement joints according to claim 5, further comprising: the shell of the motor (1) is connected with the frame, the end shaft of the motor (1) is connected with the belt transmission device (2),

or the rotating shaft seat (3) is arranged to be a cylindrical body, the rotating shaft seat (3) is arranged to be connected with the frame, the rotating shaft seat (3) is arranged to be connected with the rotating shaft (4) in a penetrating way, a bearing is arranged between the rotating shaft seat (3) and the rotating shaft (4),

or the left end (41) of the rotating shaft (4) is rotationally connected with the rotating shaft seat (3) and the left end (41) is connected with the belt transmission device (2), the right end (42) of the rotating shaft (4) is connected with the connecting rod device (6), the spring (7) and the saw blade seat group (9) in an inserting way and the right end (42) is connected with the fixing nut (8) in a threaded way, the left end (41) and the right end (42) are respectively arranged into a circular rod body and the left end (41) and the right end (42) are arranged into step shaft distribution,

or the driving belt wheel of the belt transmission device (2) is connected with the end shaft of the motor (1) and the driven belt wheel of the belt transmission device (2) is connected with the rotating shaft (4), a transmission belt is arranged between the driving belt wheel of the belt transmission device (2) and the driven belt wheel of the belt transmission device (2),

or the fixing nut (8) is a hexagon nut, the fixing nut (8) is in threaded connection with the rotating shaft (4), and the end face part of the inner end of the fixing nut (8) is in contact connection with the connecting rod device (6) through a gasket.

7. A cleaning device for concrete pavement joints according to claim 5, further comprising: the saw blade seat group (9) is set to comprise a first seat part (91) and a second seat part (92), the first seat part (91) and the second seat part (92) are respectively set to be in muff-coupling connection with the rotating shaft (4), the left end surface part of the first seat part (91) is set to be in contact connection with the rotating shaft (4), the right end surface part of the first seat part (91) is set to be in contact connection with one end head of the spring (7), the left end surface part of the second seat part (92) is set to be in contact connection with the other end head of the spring (7), the right end surface part of the second seat part (92) is set to be in contact connection with the connecting rod device (6), the first seat part (91) and the second seat part (92) are respectively set to be in connection with the saw blade group (5) through screws, and the first seat part (91) and the second seat part (92) are respectively set,

or the spring (7) is set to be a circular column spring, the spring (7) is set to be connected with the rotating shaft (4) in a sleeved mode, and the ends of the spring (7) are respectively set to be connected with the saw blade seat group (9).

8. A cleaning device for concrete pavement joints according to claim 5, further comprising: the connecting rod device (6) is arranged to comprise a first rod portion (61), a second rod portion (62), a third rod portion (63), a fourth rod portion (64) and a fifth rod portion (65), the middle portion of the first rod portion (61) is connected with the rack through a pin shaft, one end of the first rod portion (61) is connected with the rotating shaft (4) in a sleeved mode, one end of the first rod portion (61) is arranged between the fixing nut (8) and the saw blade seat set (9), the other end of the first rod portion (61) is connected with one end of the second rod portion (62) through a pin shaft, the other end of the second rod portion (62) is connected with one end of the third rod portion (63) through a pin shaft, the other end of the third rod portion (63) is connected with the rack through a pin shaft, and the middle portion of the third rod portion (63) is connected with one end of the fourth rod portion (64) through a pin shaft One end of the fourth rod part (64) is connected with one end of the fifth rod part (65) through a pin shaft, the other end of the fifth rod part (65) is connected with the rack through a pin shaft, and the first rod part (61), the second rod part (62), the third rod part (63), the fourth rod part (64) and the fifth rod part (65) are respectively arranged into rectangular strip bodies.

9. A cleaning device for concrete pavement joints according to claim 5, further comprising: the blade group (5) is provided to comprise a first blade part (51) and a second blade part (52) and the first blade part (51) and the second blade part (52) are respectively provided to be connected with the blade seat group (9),

or, a sleeve hole body (58) is arranged in the middle of the disk part (59) of the first saw blade part (51) and the disk part (59) of the second saw blade part (52), a threaded rod hole body (57) is arranged in the disk part (59), a sawtooth body (56) is arranged on the peripheral side surface of the disk part (59) and an opening body (55) is arranged between the two adjacent sawtooth bodies (56), a transition body (54) is arranged at the bottom end part of the opening body (55) and the disk part (59) is arranged to be a circular sheet body, the sleeve hole body (58) is arranged to be connected with the rotating shaft (4) and the threaded rod hole body (57) is arranged to be connected with a threaded rod arranged at the saw blade seat group (9), the sleeve hole body (58), the threaded rod hole body (57) and the transition body (54) are respectively arranged to be a circular hole body and at least three threaded rod hole bodies (57) are arranged to be distributed along the periphery of the sleeve hole body (58) at intervals, the sawtooth body (56) is arranged to be an arc-shaped body and the opening body (55) is arranged to be a Y-shaped groove body.

10. A cleaning device for concrete pavement joints according to any one of claims 1 to 9, characterized in that: the motor (1), the belt transmission device (2), the rotating shaft seat (3), the rotating shaft (4), the fixing nut (8), the saw blade group (5), the connecting rod device (6), the spring (7) and the saw blade seat group (9) are distributed according to the mode of cleaning the saw blade group, the central line of the rotating shaft seat (3), the central line of the rotating shaft (4), the central line of the saw blade group (5), the central line of the spring (7), the central line of the fixing nut (8) and the central line of the saw blade seat group (9) are arranged on the same straight line, the threaded rod hole body (57) of the first saw blade part (51) is connected with the first seat part (91), the threaded rod hole body (57) of the second saw blade part (52) is connected with the second seat part (92), the sleeving hole body (58) is connected with the right end (42), the first rod part (61) is connected with the right end (42), the first seat (91) and the second seat (92) are respectively provided to be coupled with the right head (42).

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