JP2000190823A - Vehicular mud removing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicular mud removing device excellent in the durability of each part, and in workability, and high in safety. SOLUTION: This device is provided with a frame main body 1 provided with a front wheel mud remove element 21 and rear wheel mud remove element 31 consisting of a pair of front/rear rollers 51 respectively and walking plates 2 connectable to the front/rear of this frame main body 1 on the front/rear parts in a vehicle loading surface and has a transmission mechanism for synchronously rotating the front wheel mud remove element 21 and rear wheel mud removing element 31, a reverse turn prevention mechanism for allowing the only the way rotation of the roller 51 of at least rear wheel mud remove element 31, a lock mechanism 3 for locking the walking plate 2 under the state connected the walking plate 2 to the frame main body 1 and slip stop members 41 with a nearly triangle shape vertical section arranged plurality and parallelly on the tread surfaces of the vehicle loading surface of the frame main body 1 and walking plate 2. The projections with nearly polygon shape vertical section are provided on the outer periphery of the roller 51.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mud removing device for a vehicle which removes mud attached to a rotating wheel mounted on a roller.

[0002]

2. Description of the Related Art Conventionally, a mud removing device for a vehicle includes a frame body provided with a mud removing roller for a front wheel and a mud removing roller for a rear wheel in front and rear of a vehicle mounting surface portion, and detachably attached to the front and rear of the frame body. With a possible step board, the vehicle enters from the rear step board, and the wheels rotate on both rollers linked in front and back, so that the mud adhering to the front and rear wheels is scraped off by both rollers After the cleaning of the wheels is completed, a resistance is applied to the rotation of the rollers by the clutch, the rollers are stopped, and the vehicle is moved forward to separate the wheels from the rollers. In order to make it easy to remove the adhering mud, the rollers are formed in a cage shape with a plurality of round bars and disks at both ends, and the vehicle is mounted on the underframe body so that it does not slip when entering or leaving the vehicle. There is one in which a non-slip member is provided on the tread surface of the riding portion and the step board.

[0003]

However, the conventional mud removing device for a vehicle has a high efficiency even if the above-described basket type roller is used, if the mud attached to the wheels is dried and hardened. It is difficult to scrape. In addition, since the clutch is used to brake the roller after cleaning the wheel, even if the vehicle is moved forward, the clutch slips and the roller rotates, and the wheel cannot be separated from the roller. In addition, the durability due to clutch wear and the like is poor. Further, there is a fear that the step board may fall off from the underframe main body or the vehicle mounting surface portion of the underframe body or the tread surface of the step board may be deformed due to the vibration when the vehicle enters or leaves.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and an object thereof is to efficiently scrape off mud and to easily remove a wheel of a vehicle after cleaning from a roller. In order to provide a vehicular mud removing device which is excellent in operability and safety and excellent in durability without fear of the step board falling off from the underframe main body due to vibration at the time of entry or exit of the vehicle. is there.

[0005]

The technical means of the present invention for achieving the above object is to provide a front wheel mud removing element and a rear wheel mud removing element which are respectively composed of a pair of front and rear rollers before and after a vehicle mounting surface portion. In a vehicle mud removing device comprising a frame body provided and a step board connectable to front and rear of the frame body, a transmission mechanism for synchronously rotating the front wheel mud removing element and the rear wheel mud removing element, A reverse rotation preventing mechanism that permits rotation of at least the rear wheel mud removing element in only one direction, a lock mechanism that locks the step board in a state where the step board is connected to the frame body, and a lock mechanism that locks the step board. The vehicle mounting surface portion and a plurality of non-slip members having a substantially triangular longitudinal section arranged side by side on the tread surface of the step board, wherein the roller is provided with a ridge having a substantially polygonal longitudinal section on an outer periphery, The reverse rotation prevention mechanism, At least, a rotating wheel of the rear wheel mud removing element is attached to a rotating shaft of a roller so as to rotate integrally therewith, and the underframe main body is provided with a rotating claw that is engaged when the wheel is reversely rotated. The lock mechanism is provided with a shaft member on one of the underframe main body and the step board, and on the other side, is provided an engagement member having a cutout capable of engaging the shaft member,
The key point is that the engaging member is provided with a key rod which can advance and retreat between a closed position for closing the opening of the notch and an open position for opening the opening.

The transmission mechanism in the present invention may be any mechanism that can rotate the front mud removing element and the rear mud removing element synchronously. For example, any one of a drive shaft type and a chain type can be used. There may be. Further, the space between the left and right rollers may be covered with a cover also serving as a tread plate, or this cover may be provided with a lid for inspection and a rubber cap. The front wheel mud removing element and the rear wheel mud removing element may be either integral or separate on the roller side and the base side. Further, the front / rear mud removing element and the rear wheel mud removing element may be positioned by the positioning member in the front / rear positional relationship. A drawer may be formed in the base of each of the two removing elements so that a transmission mechanism such as a drive shaft or a chain, a positioning member, a guide rail member, a tool, and the like on the step board may be accommodated. The non-slip member may be provided with a reinforcing member that supports the top of the non-slip member between the frame of the underframe main body and the frame of the step board.

According to the above technical means, the present invention has the following operations. The vehicle enters the vehicle mounting surface portion of the underframe body, and one of the front and rear wheels (drive wheel) is moved in one direction while the front and rear wheels are placed on the front wheel mud removing element and the rear wheel mud removing element, respectively. Then, the front wheel mud removing element and the rear wheel mud removing element rotate synchronously by the transmission mechanism, and the ridges on the outer periphery of each roller scrape off the mud attached to the wheel at the corners thereof. Also, if you rotate the rear wheel in the opposite direction,
Since the reverse rotation preventing mechanism locks the rotating claw on the ratchet to prevent the roller from reversing, the front and rear wheels are separated from the front wheel mud removing element and the rear wheel mud removing element, and the vehicle moves backward.
Further, the lock mechanism, when the shaft member is engaged with the notch portion of the engaging member, closes the key rod so that the shaft member does not come out of the notch portion. Prevent shedding. In addition, the non-slip member prevents the wheel from slipping during entry and exit by its top, and when the non-slip member is reinforced by the reinforcing member, the deformation resistance against the vehicle load is enhanced.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 6 show a mud removing device 10 for a vehicle according to an embodiment of the present invention. The vehicle mud removing device 10 includes an underframe main body 1 that forms a vehicle boarding surface portion on which the vehicle A can be placed and passed, and the underframe main body 1
And two rows of walking plates 2, 2 connected by a lock mechanism 3 before and after.

The underframe main body 1 includes a front wheel mud removing element 21,
A rear wheel mud removing element 31 is provided, and a frame 11 in which a plurality of non-slip members 41 are welded in a ladder shape on left and right frames 1a, 1a is provided between the front and rear mud removing elements 21, 31. It is connected in two rows via a lock mechanism 3 in the same manner as the connection.

The front wheel mud removing element 21 has a pair of front and rear rollers 51, 51 supported by a front support frame 21a corresponding to two left and right front wheels a1, a1, that is, the front support frame 2 is provided.
A total of four rollers 51 are supported on front and rear and left and right on 1a.

The rear wheel mud removing element 31 includes a pair of front and rear rollers 51, 51, four front, rear, left and right rear wheels a2, a2, a3.
The roller 51 is supported on the rear support frame 31a corresponding to a3, that is, a total of eight rollers 51 are supported on the rear support frame 31a. Then, by a rear wheel side transmission mechanism 31b described later,
Each roller 51 is configured to rotate synchronously.

Also, on the rear shaft support frame 31a between a pair of rollers 51, 51 corresponding to the front rear wheel a2 and a pair of rollers 51, 51 corresponding to the rear rear wheel a3, A non-slip member 41 similar to that constituting the frame body 11 is provided in a ladder shape so that the vehicle A can pass without slipping. Further, the front wheel mud removing element 21 and the rear wheel mud removing element 31 are configured such that the respective rollers 51 are rotated synchronously by the transmission mechanism 61.

The roller 51 has a length substantially equal to the width of the frame 11, and as shown in FIG. 4, a cylindrical member 51b is fixed concentrically around a shaft portion 51a, and an outer peripheral surface of the cylindrical member 51b. A plurality of ridges 51c are welded at equal intervals in the circumferential direction,
The disks 51d are welded so as to sandwich the cylindrical member 51b and the ridge 51c from both ends.

The protruding ridge 51c is a rod member having a polygonal vertical cross section. The vertical ridge 51c may have a vertical cross section having a corner, such as a quadrilateral vertical cross section or a pentagonal vertical cross section, instead of a hexagonal vertical cross section as shown in the illustrated example. It does not matter. In addition, the plurality of protrusions 51c are arranged in a spiral shape having an angle with respect to a plane including the axis of the tubular member 51b when welding to the outer peripheral surface of the tubular member 51b.

Then, each roller 51 is, as shown in FIG.
By arranging the spiral ridges 51c symmetrically with respect to each other and in a substantially U-shape in plan view, when the vehicle A rotates the front wheel a1, the rear wheels a2, and a3, the vehicle A is biased right or left. It is configured such that the position is automatically corrected substantially at the center of the underframe main body 1 without any modification.

Front support frame 21a and rear support frame 31a
Is a metal frame to which bearings supporting both ends of the shaft portion 51a of each roller 51 are fixed.

The rear wheel side transmission mechanism 31b is configured such that one roller 51 in the front row (lowest row in FIG. 2) and one roller 51 in the rear row in the rear wheel mud removing element 31 are concentric with the ends of the respective shaft portions 51a. The sprocket is fixed in a shape, and a chain is wound around the sprocket.

The transmission mechanism 61 connects the rollers 51, 51 in the rear row (upper side in FIG. 2) of the front wheel mud removing element 21 with a shaft portion 51a.
Are connected by shafts 51a, and a sprocket is fixed to the front and rear connecting portions concentrically with the shafts 51a, and a chain is wound around the sprockets. Note that the rear wheel side transmission mechanism 31b and the transmission mechanism 61 are not limited to a mechanism using a sprocket and a chain, but may be a mechanism using a combination of gears, for example.

Therefore, when the vehicle A is mounted on the underframe main body 1 and one of the front and rear wheels is rotated, the front wheel mud removing element 21
Each roller 51 in the rear wheel mud removing element 31 rotates in the same direction in synchronization with the rear wheel side transmission mechanism 31b and the transmission mechanism 61. In addition, a pair of front and rear rollers 51, 51
Is supported in a free state, but the rotation is transmitted by the wheels of the mounted vehicle A, and as a result, all the rollers 51 rotate synchronously in the same direction. .

In addition, between the two rollers 51, 51 in the rearmost row (the top row in FIG. 2) of the rear wheel mud removing element 31, a reverse rotation preventing mechanism 4 for allowing the rollers 51, 51 to rotate only in one direction is provided. Have been. This reverse rotation prevention mechanism 4
The ratchet wheel 14 which connects the shaft portions 51a of the two rollers 51, 51 in the last row to each other, and is coaxially and integrally mounted on the shaft portion 51a at the connection portion;
1a is provided with a rotating claw 24 rotatably supported via a bracket 34. When the rear wheel a3 of the vehicle A rotates forward, the engagement between the ratchet wheel 14 and the rotating claw 24 is released. (See FIG. 5),
When the rear wheel a3 of the vehicle A reverses, the ratchet wheel 14 and the rotating pawl 24 are engaged (see FIG. 6).

Incidentally, the ratchet wheel 14 has a substantially gear shape having a plurality of pawls formed on the outer periphery thereof so as to be engaged with the rotating pawls 24 only during normal rotation. A shaft hole through which the shaft portion 51a of the shaft 51 is fixed is formed. Further, the rotating claw 24 has a claw portion for hooking the ratchet wheel 14 at the swing end side, and the other end side is pivotally supported above the bracket 34.

At the upper end of the bracket 34, a rotating claw 2 is provided.
4 Stopper 4 that limits the range in which the claw on the tip side swings
When the rear wheels a2 and a3 of the vehicle A rotate in the forward direction, the stopper 44 engages the claw on the tip end of the rotating claw 24 which is hit by the claw wheel 14 with the claw wheel 14. It prevents rotation to a position where it cannot be stopped.

The anti-slip member 41 includes an angle-shaped angled member 41a having an approximately isosceles triangle in longitudinal section, and a plate having an upper edge welded to the inner surface top of the angled member 41a and a lower edge directed downward. The lower edge portion of the angled member 41a and the lower edge portion of the reinforcing member 41b are welded to the frames 1a, 1a at both ends, respectively, and the deformation resistance of the angled member 41a by the reinforcing member 41b. Has been enhanced.

The step board 2 is formed by welding a plurality of similar non-slip members 41 in the form of a plurality of ladders on the same two left and right frames 1a, 1a as described above, thereby forming a tread surface through which the vehicle A can pass. Two rows are provided on the front and rear of the underframe main body 1 so as to correspond to the left and right wheels of the vehicle A, respectively, and each is detachably connected by the lock mechanism 3.

The lock mechanism 3 includes a shaft member 13 and the shaft member 1.
3 formed with a notch 23a capable of engaging the third member 3
And a key rod 33 provided on the engagement member 23 to open and close the opening of the notch 23a, and a connecting portion between the underframe main body 1 and the front and rear walking boards 2, a frame body 11 and At the connection portions with the front and rear front wheel mud removing elements 21 and the rear wheel mud removing element 31, they are provided below the left and right frames 1a, 1a, respectively.

The shaft member 13 is a metal shaft fixed to one of the members in the connecting portion. The engaging member 23 is a metal plate-like member having the notch 23a formed on the lower edge thereof, and is fixed to the other member of the connecting portion. In the illustrated example, the shaft member 13 is fixed to the underframe main body 1 side, and the engaging member 23 is fixed to the step board 2 side. However, the present invention is not limited to the illustrated embodiment. The member 13 may be fixed to the engaging member 23 side, and the engaging member 23 may be fixed to the step board 2 side.

The key rod 33 has an operating lever 33a integrally fixed to the rear end of a metal round bar.
3 is slidably accommodated in the axial direction in a cylindrical member 43 fixed to the end of the cylindrical member 43. By moving an operation lever 33a protruding from a guide hole 43a on the side surface of the cylindrical member 43 to the left and right, the distal end portion becomes the end of the cylindrical member 43. It is configured to move back and forth between a closed position where it protrudes and retracts from the opening and closes the opening of the notch 23a and an open position where the opening is opened. In addition, the guide hole 43a
Has a substantially elongated hole shape extending in the axial direction, and has an operation lever 33a.
Are notched in the circumferential direction so as to be locked between the closed position and the open position.

Next, the mud removing device 10 for a vehicle having the above-described configuration.
The operation of will be described. The vehicle A enters the vehicle boarding surface portion of the underframe main body 1, and the front wheel a1 and the front and rear rear wheels a2, a3
Is mounted on the front wheel mud removing element 21 and the rear wheel mud removing element 31, when the driving wheel (the rear wheel a3 in the present embodiment) is rotated so that the vehicle A moves forward, the driving wheel contacts the driving wheel. The rotation of the driven roller 51 is transmitted to the rear wheel side transmission mechanism 31b.
Is transmitted to the rollers 51 of the front wheel mud removing element 21 and the rear wheel mud removing element 31 by the transmission mechanism 61, and the ridge 51c of the outer periphery of each roller 51 adheres to the front wheel a1 and the rear wheels a2, a3 at the corners. Crush and scrape the mud.

When the driving wheels of the vehicle A are rotated in the reverse direction, the roller 51 provided with the reverse rotation preventing mechanism 4 locks the rotating pawl 24 on the ratchet wheel 14 to prevent reverse rotation. 51 stops rotating in synchronization. Therefore, vehicle A
However, the front wheel a1 and the rear wheels a2, a3 are connected to the front wheel mud removing element 2.
1 and the rear wheel mud removal element 31 to retreat. Then, the vehicle A that has retreated moves forward at a slow speed, passes over the front wheel mud removing element 21 and the rear wheel mud removing element 31, passes over the step board 2 on the front side of the underframe main body 1, and passes through the vehicle mud. It can escape from the removal device 10.

When the lock mechanism 3 has the shaft member 13 inserted into the notch of the engaging member 23 and the key rod 33 is in the closed position, the vibration of the vehicle A when the vehicle A passes causes the underframe main body. It prevents a connection part between the step 1 and the step board 2 and a connection part between the frame 11 and the front wheel mud removing element 21 and the rear wheel mud removing element 31 from coming off.

Further, the front wheel a1 and the rear wheel a1 when the vehicle A enters and exits due to the top of the non-slip member 41.
2 and 3 are prevented from slipping, and the reinforcing member 41b is provided.
As a result, the deformation resistance of the vehicle A against the load is enhanced.

FIGS. 7 to 14 show a vehicle mud removing apparatus 10 according to another embodiment of the present invention. The structure is basically the same as that of the embodiment shown in FIG. The description of the common components will be omitted by applying the same reference numerals, and different components will be described. The transmission mechanism 61 which connects the rollers 51 of the front wheel mud removing element 21 and the rear wheel mud removing element 31 of the underframe main body 1 so as to rotate integrally with each other is provided with a bevel gear 61 a on the shaft 51 a of the front wheel mud removing element 21. The bevel gear 61b is fixed to the shaft 51a of the rear wheel mud removing element 31 concentrically with the shaft 51a, and the bevel gears 61a and 61b are meshed with the bevel gear 61d at the end of the drive shaft 61c. I have. (See FIGS. 7A and 7B.) The bevel gear 61a on the front wheel mud removal element 21 side and the bevel gear 61b on the rear wheel mud removal element 31 side are arranged diagonally across the rotation axis of the drive shaft 61c. Have established
The drive shaft 61c is prevented from being twisted, and the shaft improves disassembly and installation, reduces noise, and facilitates operation management.

The meshing portions of the bevel gears 61a and 61b are sealed with a gear cover 62 to prevent foreign matter such as soil from entering, and the gear cover 62 has an air release valve 62a.
Is arranged so as to be able to cope with the thermal expansion inside the cover during the mud dropping operation. (See FIGS. 7A and 7B.) Also, the bearing 6 in the intermediate portion of the drive shaft 61c
3 is attached to the upper surface of a connecting member 64 which is separably connected to the front-side support frame 21a and the rear-side support frame 31a by a fixing tool such as a screw. The rotation operation is made smooth. (See FIG. 7A)

The front shaft support frame 21a of the front wheel mud removing element 21
At the left and right between the rear wheel supporting frame 31a and the rear wheel mud removing element 31, a positioning member 65 that works by positioning the front and rear positional relation in the proper front and rear relation when installing both elements is detachably attached. ing. The positioning member 65 pivotally connects an intermediate portion of the two rods, and is mounted between the front supporting frame 21a and the base 31b in a state of being opened in an X-shape. It is made to fold. (See FIG. 7c)

In the front mud removing element 21 and the rear mud removing element 31, right and left sides of the pair of front and rear rollers 51, 51 are provided with standing rollers 66, respectively. The upper side of the vehicle A is rotatably supported in a state where the upper side is slightly inclined toward the outside, and the vehicle A entering and exiting the roller 51 is guided and regulated by the left and right rollers 66 so that the vehicle A has a fixed position on the roller 51. It is designed to be able to enter and exit smoothly. (See FIG. 8) Further, the front wheel mud removing element 21 and the rear wheel mud removing element 31
In the shaft portion at the end of each roller 51 in FIG.
Is provided to prevent the roller 51 from moving in the axial direction due to vibration during mud dropping. (See Fig. 9)

The front mud removing element 21 has a sprocket fixed to the ends of a pair of front and rear rollers 51 and 51 concentrically, and is connected so as to be integrally rotatable by a chain 68 wound around both sprockets. The shaft portion 51a and the gear cover 62 are covered with a tread plate cover 69.
Similarly, the rear wheel mud removing element 31 covers the shaft portion 51 a between the rollers 51 and the gear cover 62 with the tread plate cover 69. (See FIG. 7A)

The rear wheel mud removing element 31 includes a pair of front and rear rollers 51, 51 and four front, rear, left and right rear wheels a2, a2, a3.
The rear support frame 31a is supported by the rear support frame 31a in correspondence with a3, and the rear support frame 31a is detachably mounted on the upper surface of the base 31b. Then, in a state where the rear shaft support frame 31a is mounted on the mounting surface 31c of the platform 31b, the protrusion 31d protruding from the mounting surface 31c projects from the hole 31e of the rear shaft support frame 31a, Locking recess 3 in this protruding projection 31d
1f, the locking portion 31g on the rear support frame 31a side is releasably locked to the rear support frame 31a and the base 31b.
Are united up and down. Also, the combined state of the rear-side support frame 31a and the base 31b is changed from the locking recess 31f to the locking portion 31g.
By removing the lock and releasing the locking relationship, it is possible to divide it into a separated state, and by making it into a block, it is easy to carry and install. (See FIGS. 10A to 10C)

The anti-reverse mechanism 4 is located at the front row of the vehicle a so as to act directly on the brake-equipped wheel a2.
It is arranged on the shaft portion 51a of the two rollers 51 in the row.
A shock absorbing member 44a, such as a hard resin or a hard rubber, is fixed to the inner surface of the stopper 44 that contacts the rotating claw 24 and acts on the stopper 44 that functions to limit the swing range of the rotating claw 24. No sound is generated. (See FIG. 11) The drawer 7 is provided on the base 31b of the rear wheel mud removal element 31.
The drawer 70 can accommodate the drive shaft 61b, the connecting member 64, the positioning member 65, the guide rail member 72 of the step board 2, the tool, and the like. An oil receiving pad 71 is provided below the shaft portion 51a between the left and right rollers 51 and the reverse rotation preventing mechanism 4 and the gear cover 62 in the rear shaft support frame 31a so as to be able to be taken in and out. Furthermore, the stand portion 31b is provided with a suspension portion 73 of a different color so that the stand portion 31b can be easily recognized when moving or setting. (See Fig. 12)

The front-wheel mud removing element 21, the rear-wheel mud removing element 31, and the non-slip member 41 of the step board 2 are square tube-shaped members having a quadrangular cross section to enhance the deformation resistance. A guide rail member 72 is detachably provided on the left and right side edges of the step board 2 so as to serve as an index when the vehicle A enters and exits the underframe main body 1. Also, the tread surface 2a of the step board 2
The end portion 2b on the side of the underframe main body 1 is formed in a substantially horizontal shape, so that it is easy to smoothly move between the step board 2 and the underframe main body 1. Further, the lifting end 2c of the tread surface 2a is formed in a slightly slope shape to facilitate getting on and off. Hanging portions 74 of different colors are provided on the side of the step board 2 so that the hanging portions 74 can be easily recognized at the time of movement / installation. (See FIG. 13)

Both ends 43b of the guide hole 43a, which is notched in the circumferential direction, for controlling the movement of the operation lever 33a of the key rod 33, are in a state where the operation lever 33a hangs downward at the closed position and the open position. The operation lever 33 is formed so that
a is prevented beforehand. (See FIGS. 14A to 14C)

[0041]

Since the present invention is configured as described above, it has the following effects. The transmission mechanism synchronously rotates the front wheel mud removing element and the rear wheel mud removing element to simultaneously scrape off the mud attached to the front and rear wheels. Since the dried and hardened mud is crushed at the corner, the mud removing operation can be performed with high efficiency in a short time. Furthermore, the reverse rotation prevention mechanism allows the front and rear wheels to be easily disengaged from the front wheel mud removing element and the rear wheel mud removing element simply by rotating the rear wheel in the reverse direction, and the clutch slips to remove the wheel as in the conventional structure. There is no problem that the roller cannot be separated from the roller. And, since the reverse rotation preventing mechanism is mechanically simple, it has excellent durability. In addition, the lock mechanism prevents the step board from falling off the underframe main body due to vibration when the vehicle enters or leaves. Therefore, it is possible to provide a mud removing device for a vehicle that has good workability, high safety, and excellent durability.

[Brief description of the drawings]

FIG. 1 is a partially enlarged side view showing an embodiment of a mud removing device for a vehicle according to the present invention.

FIG. 2 is a partially enlarged plan view of the mud removing device for the vehicle.

FIG. 3 is a sectional view taken along line (3)-(3) in FIG. 1;

FIG. 4 is a sectional view taken along line (4)-(4) in FIG. 2;

FIG. 5 is a sectional view taken along line (5)-(5) in FIG. 2;
This shows a state in which the ratchet and the rotating pawl are disengaged.

FIG. 6 is a sectional view taken along line (5)-(5) in FIG. 2;
The state where the ratchet and the rotating pawl are engaged is shown.

7A and 7B show another embodiment of the mud removing device for a vehicle according to the present invention, wherein FIG. 7A is a longitudinal side view showing a partially enlarged view, FIG. 7B is a plan view thereof, and FIG. The cc cross section top view of a).

FIG. 8 is a partially enlarged longitudinal sectional front view of a main part.

FIG. 9 is a partially enlarged longitudinal sectional front view of a main part.

FIG. 10 is an enlarged perspective view showing a united relationship between a rear shaft support frame and a base.

FIG. 11 is an enlarged vertical sectional side view of a reverse rotation prevention mechanism.

FIG. 12 is an enlarged perspective view of a rear wheel mud removing element.

FIG. 13 is an enlarged side view of the step board.

FIG. 14 shows a connection relationship between the underframe main body and the step board,
(A) is an enlarged side view in a detached state, (b) is an enlarged side view in a connected state, and (c) is a cc vertical sectional front view of (b).

[Explanation of symbols]

 1: Underframe main body 1a: Frame 2: Step board 3: Lock mechanism 4: Reverse rotation prevention mechanism 10: Mud removal device for vehicle 11: Frame 13: Shaft member 14: Claw wheel 21: Front wheel mud removal element 21a: Front shaft Support frame 23: Engagement member 23a: Notch portion 24: Rotating claw 31: Rear wheel mud removing element 31a: Rear shaft support frame 31b: Rear wheel side transmission mechanism 33: Key rod 33a: Operation lever 34: Bracket 41: Non-slip member 41a: chevron member 41b: reinforcing member 43: cylindrical member 43a: guide hole 43b: both ends 44: stopper 51: roller 51a: shaft portion 51b: cylindrical member 51c: convex ridge 51d: disk 61: transmission mechanism 61a , 61b, 61d bevel gear 61c: drive shaft 62 gear cover 62a: air release valve 63: bearing part 64: connecting member 65: positioning member 66: standing roller 6 7: Cylindrical spacer 68: Chain 69: Tread plate cover 70: Drawer 71: Oil receiving pad 72: Guide rail member 73, 74: Suspension

Claims (1)

[Claims] 1. A frame body provided with a front wheel mud removing element and a rear wheel mud removing element each comprising a pair of front and rear rollers before and after a vehicle mounting surface portion, and a step board connectable to the front and rear of the frame body. A transmission mechanism for synchronously rotating the front wheel mud removing element and the rear wheel mud removing element, and a reverse rotation preventing at least a roller of the rear wheel mud removing element in only one direction. Mechanism and
A lock mechanism for locking the step board in a state where the step board is connected to the underframe main body; and a substantially triangular longitudinal cross-section provided in a plurality on the vehicle mounting surface portion of the underframe main body and the tread surface of the step board. The roller is provided with a ridge having a substantially polygonal vertical cross section on the outer periphery, and the reverse rotation preventing mechanism includes a ratchet wheel on at least a rotating shaft of the roller in the rear wheel mud removing element. A pivoting claw that is pivotally attached so as to rotate integrally with the underframe main body and is provided on the underframe main body to be engaged when the ratchet wheel is rotated in the reverse direction; and the lock mechanism is one of the underframe main body and the step board. A shaft member is provided, and on the other side, an engaging member having a cutout portion capable of engaging the shaft member is provided, and the engaging member is
A mud removing device for a vehicle, characterized in that a key rod is provided so as to be able to advance and retreat between a closed position for closing the opening of the notch and an open position for opening the opening.