Emergency auxiliary wheel for rear axle of truck

Abstract

The utility model discloses a truck rear axle emergency auxiliary wheel which comprises a connecting assembly connected to a truck rear axle part and comprising a mounting rod, and a plurality of connecting holes with different heights are formed in the mounting rod; the auxiliary wheel assembly comprises a connecting rod connected to one connecting hole of the mounting rod and auxiliary wheels located at the two ends of the connecting rod; the two auxiliary wheels abut against the ground, the rear axle can be refitted after a half shaft of the rear axle is broken or a half shaft sleeve of the rear axle is heated and seized, a truck can be dragged conveniently, the rescue speed of vehicles with truck rear axle faults on an expressway is increased, rapid disposal and rapid traffic recovery are achieved, and the probability of secondary accidents is reduced. The maintenance cost of a fault vehicle driver is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of highway rescue, in particular to an emergency auxiliary wheel for a rear axle of a large truck. Background Art

[0002] Large trucks on the main line of the expressway are often overloaded and lack maintenance, which can easily lead to the following situations: 1. The rear axle half-axle sleeve heats up and bites the wheel hub, making it unable to rotate; 2. The half-axle breaks and the wheel hub detaches from the rear axle, making the vehicle unable to drive. The tow truck cannot tow after arriving at the scene as soon as possible, and emergency repairs are required on the main line, which takes 4 to 5 hours. At present, the average daily traffic volume of Hangzhou-Jinhua-Quzhou Expressway reaches about 80,000 vehicles, and 56 vehicles pass here every minute. During the maintenance process, collision accidents are very likely to occur due to the high speed of the expressway, resulting in serious traffic accidents that cause injuries or deaths to maintenance personnel and passing drivers and passengers. Therefore, the prior art lacks a solution that can quickly repair the rear axle of a large truck in the above two situations so that it can be towed. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an emergency auxiliary wheel for the rear axle of a large truck, which can be used to modify the rear axle after the half-axle of the rear axle is broken or the half-axle sleeve of the rear axle is heated and seized, so as to facilitate towing the truck and improve the rescue speed of vehicles with rear axle failure on highways.

[0004] The utility model adopts the following technical solutions:

[0005] An emergency auxiliary wheel for the rear axle of a large truck comprises: a connecting assembly connected to the rear axle part of the large truck, comprising a mounting rod, on which a plurality of connecting holes of different heights are provided; an auxiliary wheel assembly comprising a connecting rod connected to a connecting hole of the mounting rod and auxiliary wheels located at both ends of the connecting rod; the two auxiliary wheels are both against the ground, and the rear axle can be modified after the half-axle of the rear axle is broken or the half-axle sleeve of the rear axle is heated and seized, so as to facilitate towing of the truck and improve the rescue speed of vehicles with rear axle failure on highways.

[0006] Preferably, the mounting rod is welded inside the rear axle wheel hub, and the surface of the mounting rod is flush with the surface of the rear axle wheel hub or protrudes from the surface of the rear axle wheel hub.

[0007] Preferably, the lower surfaces at both ends of the mounting rod have arc-shaped connecting portions that fit the arc-shaped surface of the rear axle wheel hub.

[0008] Preferably, the connecting assembly further comprises a main body and a column arranged on the main body, one side of the main body is a mounting rod, and the mounting rod is arranged perpendicularly to the connecting rod.

[0009] Preferably, the main body includes a fixing rod, a support column located at one end of the fixing rod and a connecting plate located on the fixing rod, the support column is against the rear axle, and a mounting rod is provided at the other end of the fixing rod, and the mounting rod and the support column are perpendicular to the fixing rod.

[0010] Preferably, the column comprises a longitudinal connecting rod detachably arranged on the fixing rod and a supporting frame located on the longitudinal connecting rod.

[0011] Preferably, the support frame comprises a base supporting the broken half-axle and an upper cover hinged to the base.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The utility model provides an emergency auxiliary wheel for the rear axle of a large truck, comprising a connecting assembly connected to the rear axle of the large truck, comprising a mounting rod, on which a plurality of connecting holes of different heights are arranged; an auxiliary wheel assembly, comprising a connecting rod connected to a connecting hole of the mounting rod and auxiliary wheels located at both ends of the connecting rod; the two auxiliary wheels are both against the ground, and the rear axle can be modified after the half-axle of the rear axle is broken or the half-axle sleeve of the rear axle is heated and seized, so as to facilitate the towing of the truck and improve the rescue speed of the vehicle with a faulty rear axle of the truck on the highway.

[0014] 2. When the rear axle half-shaft sleeve becomes hot and stuck, jack up the rear axle on the faulty side and remove the two tires. Weld a mounting rod inside the rear axle wheel hub, connect the connecting rod to a connecting hole of the mounting rod, and select suitable auxiliary wheels so that the auxiliary wheels are against the ground. Remove the half-shaft on the other side to make the differential inoperative, and do not drive the half-shaft on the faulty side to rotate during towing.

[0015] 3. When the half-axle breaks and the wheel hub is detached from the rear axle, push the main support column against the rear axle from bottom to top, use U-bolts to put them on the rear axle from top to bottom and connect them to the connecting plate, place the half-axle in the support frame of the column, connect the connecting rod to a connecting hole of the mounting rod, and select suitable auxiliary wheels so that the auxiliary wheels are against the ground, so that the vehicle can be towed away from the highway. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the installation of the mounting rod of Example 1.

[0017] Figure 2 This is a top view of Example 1.

[0018] Figure 3 It is a schematic diagram of the connecting rod structure.

[0019] Figure 4 Schematic diagram of the structure of the auxiliary wheel assembly.

[0020] Figure 5This is a schematic diagram of the structure of Example 2.

[0021] Figure 6 A schematic diagram of the structure of the connection components.

[0022] Figure 7 A schematic diagram of the main structure.

[0023] Figure 8 This is a schematic diagram of the structure of the column.

[0024] In the figure, connecting component 1, connecting hole 11, mounting rod 12, connecting ring 121, main body 13, fixing rod 131, supporting column 132, connecting plate 133, reinforcing plate 134, column 14, longitudinal connecting rod 141, supporting frame 142, base 1421, upper cover 1422, clamping plate 143, auxiliary wheel assembly 2, connecting rod 21, and auxiliary wheel 22. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the technical solution of the utility model, a detailed description is given below in conjunction with the accompanying drawings and specific embodiments.

[0026] Example 1

[0027] like Figure 1-4 As shown, a large truck rear axle emergency auxiliary wheel comprises:

[0028] The connecting assembly 1 is connected to the rear axle of the truck and includes a mounting rod 12 on which a plurality of connecting holes 11 of different heights are provided;

[0029] The auxiliary wheel assembly 2 includes a connecting rod 21 connected to a connecting hole 11 of the mounting rod 12 and auxiliary wheels 22 located at both ends of the connecting rod 21;

[0030] The two auxiliary wheels 22 are both against the ground, so that the rear axle can be modified after it is damaged, so as to facilitate towing the truck and improve the rescue speed of the truck with rear axle failure on the highway.

[0031] The mounting rod 12 is welded in the rear axle wheel hub, and the surface of the mounting rod 12 is flush with the surface of the rear axle wheel hub or protrudes from the surface of the rear axle wheel hub, which is convenient for installing the connecting rod 21 and the auxiliary wheel 22. The lower surfaces of both ends of the mounting rod 12 have arc-shaped connecting parts that fit the arc-shaped surface of the rear axle wheel hub, so that the mounting rod 12 can be better fixed on the rear axle wheel hub.

[0032] Preferably, the auxiliary wheels 22 may be made of solid tires.

[0033] When the rear axle half-axle sleeve becomes hot and stuck, jack up the rear axle on the faulty side and remove the two tires. Weld the mounting rod 12 inside the rear axle wheel hub, connect the connecting rod 21 to a connecting hole 11 of the mounting rod 12, and select a suitable auxiliary wheel 22 so that the auxiliary wheel 22 is against the ground. Remove the half-axle on the other side to make the differential non-operating. Do not drive the half-axle on the faulty side to rotate during towing. The installation takes about 20 minutes.

[0034] Example 2

[0035] like Figure 5-8 As shown, a large truck rear axle emergency auxiliary wheel comprises:

[0036] The connecting assembly 1 is connected to the rear axle of the truck and includes a mounting rod 12 on which a plurality of connecting holes 11 of different heights are provided;

[0037] The auxiliary wheel assembly 2 includes a connecting rod 21 connected to a connecting hole 11 of the mounting rod 12 and auxiliary wheels 22 located at both ends of the connecting rod 21;

[0038] The two auxiliary wheels 22 are both against the ground, so that the rear axle can be modified after it is damaged, so as to facilitate towing the truck and improve the rescue speed of the truck with rear axle failure on the highway.

[0039] like Figure 6-8 As shown, the connecting assembly 1 also includes a main body 13 and a column 14 arranged on the main body 13. One side of the main body 13 is a mounting rod 12, and the mounting rod 12 is arranged perpendicular to the connecting rod 21. The mounting rod 12 is provided with a connecting ring 121 on the side facing the rear axle, and a chain mechanism is connected to the connecting ring 121. The other end of the chain mechanism is connected to the leaf spring of the rear axle to fix the position of the connecting assembly 1 to prevent the connecting assembly 1 from falling off during towing.

[0040] like Figure 7 As shown, the main body 13 includes a fixing rod 131, a support column 132 located at one end of the fixing rod 131, and a connecting plate 133 located on the fixing rod 131, and a connecting hole for connecting a U-shaped bolt is provided on the connecting plate 133. The support column 132 is against the rear axle, and a mounting rod 12 is provided at the other end of the fixing rod 131. The mounting rod 12 and the support column 132 are both perpendicular to the fixing rod 131. In order to improve the connection strength between the mounting rod 12 and the main body 13, a reinforcing plate 134 is provided between the mounting rod 12 and the fixing rod 131.

[0041] like Figure 8As shown, the column 14 includes a longitudinal connecting rod 141 detachably arranged on the fixing rod 131 and a support frame 142 located on the longitudinal connecting rod 141. The fixing rod 131 is provided with a plurality of bolt holes, and a clamping plate 143 is provided on the lower surface of the longitudinal connecting rod 141 of the column 14. The clamping plate 143 is clamped on the fixing rod 131, and a through hole matching the bolt hole of the fixing rod 131 is provided on the surface of the clamping plate 143. The support frame 142 includes a base 1421 supporting the broken half shaft and an upper cover 1422 hinged on the base 1421.

[0042] When the half-axle breaks and the wheel hub is detached from the rear axle, the support column 132 of the main body 13 is pressed against the rear axle from bottom to top, and a U-bolt is used to cover the rear axle from top to bottom and connect it to the connecting plate 133. The half-axle is located in the support frame 142 of the column 14, and the connecting rod 21 is connected to a connecting hole 11 of the mounting rod 12. A suitable auxiliary wheel 22 is selected so that the auxiliary wheel 22 is pressed against the ground to facilitate towing of the large truck. The installation takes about 20 minutes.

[0043] A method for using an emergency auxiliary wheel for a rear axle of a large truck, comprising the emergency auxiliary wheel for the rear axle of the large truck, and further comprising the following steps:

[0044] S100: Connecting the connecting assembly 1 to the rear axle of the truck;

[0045] S200: Connect the connecting rod 21 to a connecting hole 11 of the mounting rod 12, and select a suitable auxiliary wheel 22 so that the auxiliary wheel 22 is against the ground.

[0046] When the rear axle half-axle sleeve becomes hot and stuck, lift up the rear axle on the faulty side and remove the two tires. Weld a mounting rod 12 inside the rear axle wheel hub, connect the connecting rod 21 to a connecting hole 11 of the mounting rod 12, and select a suitable auxiliary wheel 22 so that the auxiliary wheel 22 rests on the ground. Remove the half-axle on the other side so that the differential does not work and the half-axle on the faulty side does not rotate during towing.

[0047] When the half-axle breaks and the wheel hub is detached from the rear axle, the support column 132 of the main body 13 is pressed against the rear axle from bottom to top, and a U-bolt is used to cover the rear axle from top to bottom and connect to the connecting plate 133, the half-axle is located in the support frame 142 of the column 14, the connecting rod 21 is connected to a connecting hole 11 of the mounting rod 12, and a suitable auxiliary wheel 22 is selected so that the auxiliary wheel 22 is pressed against the ground.

[0048] The above are only preferred embodiments of the present invention. The protection scope of the present invention shall be based on the scope defined by the claims. Several improvements and modifications made by those skilled in the art without departing from the spirit and scope of the present invention shall also be regarded as the protection scope of the present invention.

Claims

1. An emergency auxiliary wheel for the rear axle of a large truck, characterized in that: include: A connecting assembly (1) is connected to the rear axle of a large truck, and comprises a mounting rod (12), on which a plurality of connecting holes (11) of different heights are provided; An auxiliary wheel assembly (2) comprises a connecting rod (21) connected to a connecting hole (11) of a mounting rod (12) and auxiliary wheels (22) located at both ends of the connecting rod (21); The two auxiliary wheels (22) are both against the ground.

2. The rear axle emergency auxiliary wheel for a large truck according to claim 1, characterized in that: The mounting rod (12) is welded inside the rear axle wheel hub, and the surface of the mounting rod (12) is flush with the surface of the rear axle wheel hub or protrudes from the surface of the rear axle wheel hub.

3. The rear axle emergency auxiliary wheel for a large truck according to claim 2, characterized in that: The lower surfaces at both ends of the mounting rod (12) have arc-shaped connecting portions that fit the arc-shaped surface of the rear axle wheel hub.

4. The rear axle emergency auxiliary wheel for a large truck according to claim 1, characterized in that: The connecting assembly (1) further comprises a main body (13) and a column (14) arranged on the main body (13); one side of the main body (13) is a mounting rod (12); the mounting rod (12) and the connecting rod (21) are arranged perpendicularly.

5. The rear axle emergency auxiliary wheel for a large truck according to claim 4, characterized in that: The main body (13) comprises a fixing rod (131), a supporting column (132) located at one end of the fixing rod (131), and a connecting plate (133) located on the fixing rod (131); the supporting column (132) abuts against the rear axle; a mounting rod (12) is provided at the other end of the fixing rod (131); the mounting rod (12) and the supporting column (132) are both perpendicular to the fixing rod (131).

6. The rear axle emergency auxiliary wheel for a large truck according to claim 5, characterized in that: The upright post (14) comprises a longitudinal connecting rod (141) detachably arranged on the fixing rod (131) and a supporting frame (142) located on the longitudinal connecting rod (141).

7. The large truck rear axle emergency auxiliary wheel according to claim 6, characterized in that: The support frame (142) comprises a base (1421) supporting the broken half-axle and an upper cover (1422) hinged on the base (1421).

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