CN210391093U - Auxiliary wheel device for driving of fault car - Google Patents

Abstract

The utility model discloses a fault car driving auxiliary wheel device, which belongs to a vehicle lifting device and comprises an auxiliary wheel, an auxiliary wheel bracket mechanism and a tire supporting mechanism, wherein the tire supporting mechanism comprises a supporting frame and two tire supporting plates, the supporting frame comprises a cross beam and two mutually independent supporting pieces, the two tire supporting plates are both fixed at two ends of the cross beam in an overhanging shape, and the end parts of the overhanging end parts of the tire supporting plates are fixedly connected with one supporting piece; the auxiliary wheel support mechanism comprises a support and a rotating shaft fixedly connected to the top side of the support, the top sides of the cross beam and the support are respectively and fixedly provided with a shaft sleeve, the rotating shaft is rotatably arranged on the shaft sleeves in a penetrating mode, two ends of the bottom side of each support are provided with supporting rods, the supporting rods are supported on the bottom sides of the cross beam and the support, and two auxiliary wheels are supported and installed on the bottom sides of each support through a wheel shaft support and a wheel shaft. The lifting of the tire supporting plate is realized by swinging and rotating the support around the rotating shaft, and the problem that the conventional fault vehicle obstacle clearing auxiliary device cannot have lifting and driving auxiliary functions at the same time is solved.

Description

Auxiliary wheel device for driving of fault car

Technical Field

The utility model belongs to vehicle lifting devices field especially relates to a strutting arrangement who is used for assisting trouble car to travel.

Background

When a vehicle fails, the vehicle is usually towed (transported) to a repair facility for repair using a tractor or a flat car. When the flat car is used for transportation, the pallet is inclined, the fault car is pulled onto the pallet through the traction of the twisted rope, and then the pallet is lifted and laid horizontally to load the fault car. When the wheel hub bearing takes place the dead trouble of card, the wheel can't rotate, just needs to use the auxiliary device that clears up that can support wheel liftoff and supplementary travel. The conventional obstacle clearing auxiliary device such as a jack can only play a lifting role, although the conventional auxiliary wheel device can assist in running, the conventional auxiliary wheel device firstly lifts a vehicle by using the jack and then pads the auxiliary wheel device under wheels, then the jack descends and retracts, the wheels are pressed against the auxiliary wheels, and after the auxiliary wheel device is loaded on a pallet of a flat car, the auxiliary wheel device is taken out from the wheels by lifting the vehicle by using the jack, so that the position of the vehicle on the pallet is ensured to be fixed, and the operation is extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at solving the problem that current trouble vehicle auxiliary device that clears obstacles can't possess the lifting simultaneously and go the auxiliary function, provide one kind and can realize the lifting simultaneously and assist the trouble car driving auxiliary wheel device that goes.

Therefore, the utility model adopts the following technical scheme: a fault car driving auxiliary wheel device comprises an auxiliary wheel, an auxiliary wheel support mechanism and a tyre supporting mechanism, and is characterized in that the tyre supporting mechanism comprises a supporting frame and two tyre supporting plates, the supporting frame comprises a cross beam and two mutually independent supporting pieces, the two tyre supporting plates are both fixed at two ends of the cross beam in a suspension shape, the distance between the bottom sides of the two tyre supporting plates is smaller than that between the top sides of the two tyre supporting plates, a supporting structure conforming to the shape of a tyre is formed, and the end part of the suspension end of each tyre supporting plate is fixedly connected with one supporting piece; each auxiliary wheel bracket mechanism comprises a bracket and a rotating shaft fixedly connected to the top side of the bracket, the top sides of the cross beam and the supporting piece are respectively and fixedly provided with a shaft sleeve, the rotating shaft is rotatably arranged in the shaft sleeve in a penetrating mode, two ends of the bottom side of each support are provided with overhanging supporting rods, the axial direction of each supporting rod is in the same direction as the axial direction of the rotating shaft, the supporting rods are supported on the bottom sides of the cross beam and the supporting piece, two wheel shaft supports are arranged on the bottom side of each support, each wheel shaft support is provided with one auxiliary wheel through a wheel shaft support, the axial direction of each auxiliary wheel is the same as the axial direction of the rotating shaft, one end of the rotating shaft is provided with a, the plate can drive the rotating shaft to rotate, the bracket is driven to swing inwards by taking the rotating shaft as a center to a working position where the supporting rod props against the bottom side of the cross beam or swing outwards to a non-working position where the supporting rod and the rotating shaft are equal in height, and the auxiliary wheel plays a role in driving auxiliary support in the working position; the swinging directions of the supports at the two ends of the beam are opposite, so that the bottom sides of the supports at the two ends of the beam move oppositely or back to back.

As the supplement and improvement to the technical proposal, the utility model also comprises the following technical characteristics.

The auxiliary wheel support mechanism further comprises a limiting mechanism, the limiting mechanism comprises a limiting bolt and a spring, a vertical bolt hole and a spring accommodating cavity which is located in the cross beam and surrounds the bolt hole are formed in the cross beam, the limiting bolt penetrates through the bolt hole, when the supporting rod is propped against the bottom side of the cross beam, the lower end portion of the bolt is located on the outer side of the supporting rod to limit the supporting rod, so that the support is prevented from swinging, an upward lower axial end face leaning shoulder and a downward upper axial end face leaning shoulder are formed on the outer peripheral face of the limiting bolt, the upper axial end face leaning shoulder is located on the top face of the cross beam to limit the limiting bolt downward, the spring is located in the spring accommodating cavity and sleeved on the limiting bolt, the lower end of the spring is limited by the axial end face leaning shoulder, the upper end of the spring is limited by the cross beam, and downward.

The outer side of the lower end head of the limiting bolt is formed into an inclined plane, so that the supporting rod slides along the inclined plane when swinging inwards to form upward jacking force for the limiting bolt, the jacking limiting bolt moves upwards, and the supporting rod can conveniently cross the limiting bolt to reach the inner side of the limiting bolt.

The upper section of the limiting bolt is bent, the position of the upper end head of the limiting bolt is lower than that of the upper axial end face shoulder, the top side of the beam is provided with a limiting hole, when the upper axial end face shoulder is pressed against the top surface of the beam, the upper end head of the limiting bolt is inserted into the limiting hole, the limiting bolt is circumferentially limited, the limiting bolt is enabled to be right, the limiting bolt cannot be rotated when the supporting rod plays a limiting role, the inclined plane of the lower end head of the limiting bolt cannot face the supporting rod, and the limiting bolt is conveniently pulled up when the limiting is relieved through the bending part of the upper section of the limiting bolt.

The crossbeam be square pipe, the spring holding chamber be the inner chamber of square pipe promptly, the inner chamber wall that leans on in square pipe is pushed against to the spring upper end.

The diameter of the head of the lower end of the limiting bolt is larger than that of the middle section of the limiting bolt to form a shaft shoulder, and the lower axial end face leaning shoulder is the shaft shoulder.

The upper axial end surface shoulder is a baffle plate fixedly connected with the limiting bolt.

The utility model discloses following beneficial effect can be reached: the tire supporting mechanism is mainly composed of two tire supporting plates which are fixed on the cross beam in a suspension shape, one side of each tire supporting plate is open, the auxiliary wheel is arranged on the support which can swing, the ground clearance of each tire supporting plate can be changed, the tire supporting plates can be directly clamped into the bottoms of the tires in a ground-contacting mode, then the tires are lifted off the ground through the swing of the support, the auxiliary wheel can be assembled and disassembled without a jack for supporting an automobile, the auxiliary wheel device can be rapidly assembled and disassembled for a small automobile with a lower chassis, and the operation is convenient; the length of the tire support plate can be made to be larger than the width of the tire, a large allowance is reserved, the tire support plate can adapt to the tire with a large width, and the use adaptability of the auxiliary wheel device is improved.

Drawings

Fig. 1 is a plan view of the working position of the present invention.

Fig. 2 is a sectional view of the a-a step of fig. 1.

Fig. 3 is a front view of the present invention.

Fig. 4 is a sectional view of the step a-a in the non-operating position.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are used for illustration and explanation of the invention and are not to be construed as limiting the invention.

As shown in fig. 1 to 4, the present invention includes an auxiliary wheel 7, an auxiliary wheel support mechanism and a tire support mechanism. The tire supporting mechanism comprises a supporting frame and two tire supporting plates 2, the supporting frame comprises a cross beam 1 and two mutually independent supporting pieces 3, and the cross beam 1 is a long square tube. The two tire support plates 2 are respectively fixed at two ends of the beam 1 and are in a suspension shape, the distance between the bottom sides of the two tire support plates is smaller than the distance between the top sides, and the two tire support plates incline outwards from bottom to top towards two ends of the beam to form a support structure conforming to the shape of a tire. The support piece 3 is a short square tube, the end part of the overhanging end of each tire supporting plate is fixedly connected with the support piece 3, and the axial direction of the short square tube is the same as that of the cross beam. The auxiliary wheel support mechanism comprises a limiting mechanism, supports 9 and a rotating shaft 4 fixedly connected to the top sides of the supports, two ends of the bottom side of each support 9 are provided with overhanging supporting rods 91, the axial direction of each supporting rod 91 is the same as that of the corresponding rotating shaft 4, and the supporting rods 91 are supported on the bottom sides of the cross beam 1 and the supporting piece 3. Support 9 adopts four round steel welding to make at a square steel sheet four sides, and two round steel both ends of top side and bottom side overhang respectively, and top side round steel is as pivot 4, and bottom side round steel overhang section is as bracing piece 91, and crossbeam and support piece's top side respectively fixes and sets up an axle sleeve, and the axle sleeve is worn to adorn in the rotatable formula of pivot 4. Two wheel axle supports 8 are arranged at the bottom side of each bracket, each wheel axle support is provided with an auxiliary wheel 7 through a wheel axle support, and the axial direction of the auxiliary wheel is the same as the axial direction of the rotating shaft. One end of round steel serving as a rotating shaft 4 is obliquely bent to serve as a wrench 5, the rotating shaft 4 can be driven to rotate through the wrench 5, the support is driven to swing inwards to a working position where the supporting rod props against the bottom side of the cross beam by taking the rotating shaft as a center or swing outwards to a non-working position where the supporting rod and the rotating shaft are equal in height, and the auxiliary wheel plays a role in driving auxiliary support in the working position; the swinging directions of the supports at the two ends of the beam are opposite, so that the bottom sides of the supports at the two ends of the beam move oppositely or back to back.

The limiting mechanism comprises a limiting bolt 6 and a spring 10, a vertically penetrating bolt hole is formed in the cross beam 1, an inner cavity of the cross beam is used as a spring accommodating cavity surrounding the bolt hole, and the limiting bolt 6 penetrates through the bolt hole. The diameter of the head part 61 at the lower end of the limit bolt 6 is larger than that of the middle section to form a shaft shoulder part as an upward lower axial end surface leaning shoulder. A separation blade 11 is welded on the limiting bolt, the bottom surface of the separation blade is used as a downward axial end face leaning shoulder, the separation blade is positioned on the top surface of the cross beam and is used for limiting the limiting bolt downwards, the spring 10 is positioned in the spring accommodating cavity and sleeved on the limiting bolt, the lower end of the spring is abutted against the axial end face leaning shoulder and is limited by the axial end face leaning shoulder, the upper end of the spring is abutted against the inner cavity wall of the square tube and is limited by the cross beam, and downward pressure on the limiting bolt is formed through spring elasticity.

When the supporting rod 91 props against the bottom side of the cross beam 1, the head part 61 at the lower end of the bolt is positioned outside the supporting rod to limit the supporting rod, and the support 9 is prevented from swinging. The outer side of the lower end head part 61 of the limiting bolt is formed into an inclined plane, the supporting rod slides along the inclined plane when swinging inwards, upward supporting force is formed for the limiting bolt, the supporting rod moves upwards to enable the supporting rod to conveniently cross the limiting bolt to reach the inner side of the limiting bolt. 6 upper segments of spacing bolt are crooked, and spacing bolt upper end head position is less than as the separation blade 11 of last axial end face shoulder, and the crossbeam top side sets up spacing hole, when going up the axial end face shoulder and pressing on the crossbeam top surface, spacing bolt upper end head inserts spacing hole forms circumference spacing to spacing bolt, makes spacing bolt right spacing bolt can not discover rotatoryly when the bracing piece plays limiting displacement, makes the inclined plane of spacing bolt lower extreme head can not be towards the bracing piece, conveniently pulls up spacing bolt when relieving spacingly through the flexion of spacing bolt upper segment.

Claims (5)

1. The utility model provides a trouble car driving auxiliary wheel device, includes auxiliary wheel, auxiliary wheel support mechanism and tire supporting mechanism, its characterized in that: the tire supporting mechanism comprises a supporting frame and two tire supporting plates, the supporting frame comprises a cross beam and two supporting pieces which are mutually independent, the two tire supporting plates are both in an overhanging shape and are respectively fixed at two ends of the cross beam, the distance between the bottom sides of the two tire supporting plates is smaller than that between the top sides of the two tire supporting plates to form a supporting structure which conforms to the shape of a tire, and the end part of the overhanging end of each tire supporting plate is fixedly connected with one supporting piece; each auxiliary wheel support mechanism comprises a support and a rotating shaft fixedly connected to the top side of the support, the top sides of the beam and the support are respectively and fixedly provided with a shaft sleeve, the rotating shaft is rotatably arranged in the shaft sleeves in a penetrating mode, two ends of the bottom side of each support are provided with overhanging supporting rods, the axial direction of each supporting rod is in the same direction as the axial direction of the rotating shaft, the supporting rods are supported on the bottom sides of the beam and the support, two wheel shaft supports are installed on the bottom side of each support, one auxiliary wheel is installed on each wheel shaft support through a wheel shaft support, the axial direction of each auxiliary wheel is the same as the axial direction of the rotating shaft.

2. The apparatus as claimed in claim 1, wherein the auxiliary wheel for driving a failed car comprises: the auxiliary wheel support mechanism further comprises a limiting mechanism, the limiting mechanism comprises a limiting bolt and a spring, the cross beam is provided with a vertical bolt hole and a spring accommodating cavity which is located in the cross beam and surrounds the bolt hole, the limiting bolt penetrates through the bolt hole, when the supporting rod props against the bottom side of the cross beam, the lower end part of the bolt is located outside the supporting rod to limit the supporting rod, so that the support is prevented from swinging, the outer peripheral surface of the limiting bolt is provided with an upward lower axial end face shoulder and a downward upper axial end face shoulder, the upper axial end face shoulder is located on the top surface of the cross beam, the limiting bolt is limited downwards, the spring is located in the spring accommodating cavity and sleeved on the limiting bolt, the lower end of the spring is limited by the axial end face shoulder, and the upper end of the spring is limited by.

3. The fail-safe driving assist wheel apparatus for a car according to claim 2, wherein: the outer side of the head of the lower end of the limiting bolt is formed into an inclined plane.

4. A failure car driving assist wheel apparatus according to claim 3, wherein: the upper section of the limiting bolt is bent, the upper end head of the limiting bolt is lower than the upper axial end face shoulder, the top side of the cross beam is provided with a limiting hole, and when the upper axial end face shoulder is pressed against the top surface of the cross beam, the upper end head of the limiting bolt is inserted into the limiting hole to limit the limiting bolt circumferentially.

5. The fail-safe driving assist wheel apparatus for a car according to claim 4, wherein: the crossbeam be square pipe, the spring holding chamber be the inner chamber of square pipe promptly, the inner chamber wall that leans on in square pipe is pushed against to the spring upper end.

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