Tire service equipment

Abstract

The utility model discloses tire service equipment which comprises an operation vehicle, grabbing equipment and a hydraulic system oil tank, a loading platform is arranged on a vehicle frame of the operation vehicle, the grabbing equipment further comprises a chassis, an A-type supporting leg and a mechanical arm, the chassis is arranged between the loading platform and a vehicle head, the A-type supporting leg is installed on one side of the chassis through a pin shaft, and the mechanical arm is installed on the loading platform. The fixed limiting device and the A-type supporting leg are oppositely arranged on the other side of the chassis, a slewing bearing device is arranged in the middle of the chassis, the manipulator is installed on the slewing bearing device, a rotary limiting device is arranged at the bottom of the manipulator, and the fixed limiting device and the rotary limiting device are matched to limit the rotating angle of the manipulator. A screw type air compressor is arranged at the front end of the loading platform, when a tire needs to be replaced and maintained, only one worker is needed to complete dismounting and mounting work of the tire through a mechanical arm, a grabbing device is arranged in the middle of the working vehicle, the working gravity center is centered, the working stability is improved, and the maintenance efficiency is greatly improved. And the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mining truck tire replacement equipment, and specifically relates to a tire service equipment. BACKGROUND

[0002] Mining trucks usually operate in mines, quarries, large engineering construction sites and the like. The road conditions in these places are poor, usually rugged, and there are a large number of roadblocks such as stones and potholes, which cause serious wear and impact on the tires. When the tires are severely worn, if new tires are not replaced in time, the degree of tire damage will be aggravated, the service life of the tires will be greatly reduced, the whole vehicle cannot be used normally, and the engineering progress will be affected. In order to ensure the normal operation of the equipment, the old and worn tires must be replaced in time. However, the tires of the mining truck weigh about 5 tons, which makes it very difficult to disassemble, replace, repair and inflate the tires. If existing mechanical equipment is used for repair and replacement, a large amount of time, manpower and equipment will be consumed, which seriously affects the operation efficiency and production progress of the mining truck, and the professional requirements for technical personnel are very high, otherwise safety accidents will easily occur, causing loss of manpower and capital. SUMMARY

[0003] The utility model discloses a tire service equipment to solve the problem of inconvenient disassembly and assembly and the need for scheduling multiple devices and personnel during the disassembly and assembly process when the tire needs to be replaced due to damage during the use of the mining truck, which increases the complexity of tire replacement and repair and makes it difficult for a single person to complete the task. Therefore, the utility model provides a tire service equipment, which comprises:

[0004] The working vehicle, the grabbing equipment and the hydraulic system oil tank, the working vehicle comprises a vehicle head and a vehicle frame, a loading platform is arranged on the vehicle frame, the grabbing equipment further comprises a chassis, an A-shaped supporting leg and a mechanical hand, the chassis is arranged between the loading platform and the vehicle head, the A-shaped supporting leg is installed on one side of the chassis through a pin shaft, a fixed limiting device is arranged on the other side of the chassis opposite to the A-shaped supporting leg, a rotary supporting device is arranged in the middle of the chassis, the mechanical hand is arranged on the rotary supporting device, a rotary limiting device is arranged at the bottom of the mechanical hand, the fixed limiting device and the rotary limiting device cooperate to limit the rotation angle of the mechanical hand, and a screw air compressor is arranged at the front end of the loading platform.

[0005] Preferably, the mechanical hand comprises a mechanical arm one, a mechanical arm two, a mechanical arm three and a tire gripping claw, the bottom of the mechanical arm one is connected with the rotary supporting device on the chassis, the upper part of the mechanical arm one is hinged with the mechanical arm two, the end of the mechanical arm two is hinged with the mechanical arm three, the front end of the mechanical arm three is connected with the tire gripping claw through a connecting hinge seat, a wire slot connecting rod is arranged at the connection between the mechanical arm three and the connecting hinge seat, variable amplitude oil cylinders are arranged between the mechanical arm one, the mechanical arm two and the mechanical arm three respectively, the mechanical hand is lifted and lowered through the cooperation of the variable amplitude oil cylinders, and a telescopic oil cylinder is further arranged in the mechanical arm three.

[0006] Preferably, the tire gripping claws comprise claw arm links, claw arms and clamping discs, the claw arm links are installed at two ends of the tire gripping claw beam respectively, the tire gripping claw beam is connected with the mechanical arm through the connecting hinge base, the claw arm links are connected with the claw arms at the front ends, the clamping discs are arranged at the clamping sides of the claw arms, the amplitude cylinders are arranged between the claw arm links of each group, and the claw arm links drive the claw arms to open and close through the extension and contraction of the amplitude cylinders.

[0007] Preferably, the fixed limiting devices are installed at the edges of the slewing bearing devices in the middle of the chassis, and the rotating limiting devices are arranged at the bottom edges of the mechanical arms on the slewing bearing devices.

[0008] Preferably, the rotating limiting devices are three groups, are distributed at three equidistant points around the circumference of the fixed limiting devices, and the slewing bearing devices are internally provided with gear structures with encoders, so that the turning angles of the mechanical arms can be monitored.

[0009] Preferably, a plurality of conical protrusions are arranged in a ring shape on the clamping discs, and the conical protrusions prevent the tires from falling off in the clamping state.

[0010] Preferably, hydraulic outriggers are arranged at the two sides of the tail of the loading platform, are used for matching the A-shaped outriggers to lift the height and inclination of the vehicle chassis, the A-shaped outriggers comprise mounting frames and outriggers, the amplitude cylinders are arranged between the mounting frames and the outriggers to control the support angles of the A-shaped outriggers, and the telescopic oil cylinders are arranged in the outriggers to control the extension heights of the A-shaped outriggers.

[0011] Preferably, the screw air compressor is arranged on the loading platform and is close to the side of the mechanical arm.

[0012] Preferably, the screw air compressor is externally provided with an air compressor protective cover, and the air compressor protective cover comprises a longitudinal external steel frame surrounding the air compressor and a metal protective plate fixedly connected to the external steel frame.

[0013] Preferably, a tool box is arranged on the loading platform, and a tire gripping claw tray is arranged on the loading platform and corresponds to the mechanical arm.

[0014] Compared with the prior art, the following beneficial effects can be obtained:

[0015] The working vehicle is provided with flexible grabbing equipment and a screw air compressor, only one worker is needed to drive the working vehicle to the working site to operate, the tire can be disassembled and assembled through the mechanical arm, the working center of gravity is relatively centered by arranging the grabbing equipment in the middle of the working vehicle, the stability during work is better, the tire can be placed on the loading platform for maintenance and inflation, the scheduling of multiple people and multiple equipment is not needed, the maintenance efficiency is greatly improved, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the overall structure schematic view of the utility model.

[0017] Figure 2 is the overall structure of the present utility model rear view;

[0018] Figure 3 is the present utility model loading platform schematic diagram;

[0019] Figure 4 is the present utility model mechanical hand chassis structure schematic diagram;

[0020] Figure 5 is the present utility model mechanical hand structure schematic diagram;

[0021] Figure 6 is the present utility model holding claw structure schematic diagram;

[0022] 1-work car, 11-loading platform, 111-holding claw tray, 12-hydraulic support leg, 13-tool box,

[0023] 2-grabbing equipment, 21-chassis, 211-fixed limit, 212-rotation limit, 22-A type support leg, 221-mounting frame, 222-support leg, 23-mechanical hand, 231-mechanical arm one, 232-mechanical arm two, 233-mechanical arm three, 234-holding claw, 2341-claw arm connecting rod, 2342-claw arm, 2343-clamping disc, 235-connection hinge base, 236-cable slot connecting rod

[0024] 3-hydraulic system oil tank,

[0025] 4-screw type air compressor,

[0026] 5-air compressor shield. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0028] As Figure 1 , Figure 2As shown, a kind of tire service equipment, including operation car 1, loading platform 11, grabbing equipment 2, hydraulic system oil tank 3 and screw air compressor 4, operation car 1 front end is car head, the second half of frame is set loading platform 11, loading platform 11 is flat board structure, facilitate placing tire and other goods, loading platform 11 is set grabbing equipment 2 on the frame between car head, grabbing equipment 2 side is set hydraulic system oil tank 3, screw air compressor 4 is set after grabbing equipment 2, can realize the function for tire air supply, hydraulic system oil tank 3 provides hydraulic oil for grabbing equipment 2, screw air compressor 4 and so on reformation hydraulic system, the power of screw air compressor 4 driven by hydraulic is provided by vehicle chassis power take-off, also avoid the problem that air compressor cannot long time operation because vehicle battery insufficient.

[0029] As shown, Figure 3 Air compressor guard 5 is set in the front end of loading platform 11, air compressor guard 5 can prevent grabbing equipment 2 from accidentally bumping on air compressor when grabbing large tire, causing equipment damage. Hydraulic outrigger 12 is set in the tail of loading platform 11, hydraulic outrigger 12 can lift the height and inclination of vehicle chassis by telescopic cylinder, when vehicle chassis is lifted, it can effectively balance vehicle body, improve the upper limit of weight lifting, prevent grabbing equipment 2 from deforming, damaging and other conditions when working, tire claw tray 111 is set in the middle of loading platform 11 for placing tire claw, tool box 13 is set in the space behind hydraulic outrigger 12, can place the tools required for related operation.

[0030] As shown, Figure 4 , Figure 5As shown, the gripping equipment 2 includes a chassis 21, A-type outriggers 22, and a robotic arm 23. The chassis 21 is fixed to the frame with U-bolts. The A-type outriggers 22, telescopic cylinders, and luffing cylinders are connected and mounted on one side of the chassis 21 via pins. The A-type outriggers include a mounting frame 221 and outriggers 222 on both sides. The luffing cylinders are located between the mounting frame 221 and the outriggers 222. The angle between the two outriggers 222 can be controlled by the luffing cylinders to cope with different working environments. The larger the angle between the outriggers 222, the greater its working capacity. The farther the center of gravity, the greater the height and tilt of the vehicle chassis can be adjusted by the telescopic cylinders of the A-type outriggers 22. The telescopic cylinders on both sides can control their extension lengths to adapt to different terrains. The manipulator 23 is connected to the center of the chassis 21 via a slewing bearing. The manipulator 23 consists of manipulator arm 1 231, manipulator arm 232, manipulator arm 3 233, and tire gripper 234. The upper part of manipulator arm 1 231 is hinged to manipulator arm 232, and the front end of manipulator arm 232 and manipulator arm 3 233 are connected to each other. The system is articulated, with luffing cylinders installed between robotic arms 231, 232, and 233. These cylinders control the lifting and lowering of robotic arm 23. Robotic arm 233 also has a telescopic cylinder for extending and retracting. A tire-holding claw 234 is located at the end of robotic arm 233, fixed to it via a connecting hinge 235. A wire groove connecting rod 236 is installed at the connection point between robotic arm 233 and the connecting hinge 235, allowing for vertical adjustment of the angle of the tire-holding claw 234. The system is located on the chassis 2. A fixed limiting device 211 is set on the edge of the rotary support device 1, and two sets of rotation limiting devices 212 are set on the bottom of the robot 23. The fixed limiting device 211 and the rotation limiting device 212 are evenly distributed at three points around the circumference. The fixed limiting device 211 and the two sets of rotation limiting devices 212 work together to limit the rotation angle of the robot 23. A gear structure with an encoder is set inside the rotary fixed device to monitor the turning angle of the robot 23. During use, the robot 23 has eight degrees of freedom and the rotation angle on both the left and right sides can reach more than 60 degrees.

[0031] like Figure 6 As shown, the tire gripper 234 includes a tire gripper crossbeam, which is fixed to the connecting hinge seat 235. Two pairs of gripper arm connecting rods 2341 are respectively set at both ends of the tire gripper crossbeam. A luffing cylinder is set between the gripper arm connecting rods 2341 on the same side. Grippers 2342 are respectively set at the front ends of the gripper arm connecting rods 2341 on both sides. The opening and closing of the gripper arm 2342 is driven by the extension and retraction of the luffing cylinder. Grippers 2342 are respectively set on the gripping surface on the inner side of the gripper arm 2342. Several protrusions are distributed in a ring on the gripper 2343 to prevent the tire from falling off during the gripping process.

[0032] When the mine truck tire needs repair or replacement, the staff drives the service vehicle 1 to the work site, parks the service vehicle 1 body, and then starts the operation independently. Through the control box, the A-shaped support leg 22 and the hydraulic support leg 12 are first put down, the service vehicle frame is adjusted to the balanced state through the adjustment of the A-shaped support leg 22 and the hydraulic support leg 12, then the grabbing device 2 is adjusted, through the hydraulic drive, under the cooperation of the mechanical arm one 231, the mechanical arm two 232 and the mechanical arm three 233, the mechanical hand 23 is first adjusted to the appropriate lifting height, the mechanical hand 23 is rotated to the tire through the swing support device on the chassis 21, the claw arm connecting rod 2341 is pushed to open the claw arm 2342, at this time the tire gripper 234 is in the waiting clamping state, the tire gripper 234 is aligned on both sides of the tire, the claw arm connecting rod 2341 is driven again to tighten the claw arm 2342, at this time the protrusions on the inside clamping disc 2343 of the claw arm 2342 are firmly embedded in the tire surface, the protrusions on the clamping disc 2343 can effectively prevent the tire from falling off and causing danger when the mechanical hand 23 is driven to retract, the mechanical hand 23 is adjusted to place the tire on the loading platform 11, and thus a work process is completed. The tire can be repaired or replaced, and the above operation can be completed by one person using the device.

Claims

1. A tire service apparatus comprising: The utility model provides a kind of working vehicle (1), grabbing equipment (2) and hydraulic system oil tank (3), the working vehicle (1) includes head and frame, and loading platform (11) is provided on frame, characterized by: the grabbing equipment (2) further includes chassis (21), A type support leg (22) and manipulator (23), the chassis (21) is arranged between loading platform (11) and head, the A type support leg (22) is installed in one side of chassis (21) by pin shaft, the other side of chassis (21) is provided with fixed limiting device (211), the fixed limiting device (211) is oppositely arranged with A type support leg, rotating support device is provided in the middle of chassis (21), the manipulator (23) is arranged on the rotating support device, the bottom of the manipulator (23) is provided with rotary limiting device (212), the fixed limiting device (211) cooperates with rotary limiting device (212) and limits the rotation angle of manipulator (23), and the front end of loading platform (11) is provided with screw rod type air compressor (4).

2. A tire service apparatus as claimed in claim 1, characterized in that: The manipulator (23) includes mechanical arm one (231), mechanical arm two (232), mechanical arm three (233) and tire holding claw (234), the bottom of mechanical arm one (231) is connected with the rotating support device on chassis (21), the upper portion of mechanical arm one (231) is hinged with mechanical arm two (232), the end of mechanical arm two (232) is hinged with mechanical arm three (233), the front end of mechanical arm three (233) is connected with tire holding claw (234) through connecting hinge base (235), the connecting place of mechanical arm three (233) and connecting hinge base (235) is provided with wire slot connecting rod (236), variable amplitude oil cylinder is respectively arranged between mechanical arm one (231), mechanical arm two (232) and mechanical arm three (233), the manipulator (23) is lifted and lowered by the cooperation of variable amplitude oil cylinder, and telescopic oil cylinder is further arranged in mechanical arm three (233).

3. A tire service apparatus as claimed in claim 2, wherein: The tire holding claw (234) includes claw arm connecting rod (2341), claw arm (2342) and clamping disc (2343), claw arm connecting rod (2341) is installed in two ends of tire holding claw beam in each group, the tire holding claw beam is connected with the front end of mechanical arm three (233) through connecting hinge base (235), the front end of claw arm connecting rod (2341) is connected with claw arm (2342), the clamping disc (2343) is arranged on the clamping side of claw arm (2342), and variable amplitude oil cylinder is arranged between each group of claw arm connecting rod (2341), so that claw arm connecting rod (2341) drives claw arm (2342) to open and close by the extension and contraction of variable amplitude oil cylinder.

4. A tire service apparatus as claimed in claim 3, wherein: The fixed limiting device (211) is installed on the edge of rotating support device in the middle of chassis (21), and the rotary limiting device (212) is arranged on the bottom edge of mechanical arm one (231) on the rotating support device.

5. A tire service apparatus as claimed in claim 4, characterized in that: The rotary limiting device (212) has three groups, which are distributed equidistantly around the circumference with the fixed limiting device (211), and the gear structure with encoder is arranged in the rotating support device, so that the steering angle of the manipulator (23) can be monitored.

6. A tire service apparatus as claimed in claim 5, characterized in that: The clamping disc (2343) is provided with a plurality of conical protrusions distributed in a ring shape, which prevent the tire from falling off in the clamping state.

7. A tyre servicing apparatus as claimed in any one of claims 1 to 5, characterized in that: The hydraulic outriggers (12) are arranged at both sides of the rear part of the loading platform (11) to cooperate with the A-shaped outriggers (22) to lift the height and inclination of the vehicle chassis, the A-shaped outriggers (22) comprise mounting frames (221) and outriggers (222), the supporting angle of the A-shaped outriggers (22) is controlled by setting a luffing oil cylinder between the mounting frames (221) and the outriggers (222), and the extension height of the A-shaped outriggers (22) is controlled by setting a telescopic oil cylinder in the outriggers (222).

8. A tire service apparatus as claimed in claim 7, characterized in that: The screw air compressor (4) is arranged on the loading platform (11) near the side of the mechanical arm (23).

9. A tire service apparatus as claimed in claim 8, characterized in that: The screw air compressor (4) is externally provided with an air compressor shroud (5), and the air compressor shroud (5) comprises a longitudinal external steel frame surrounding the air compressor and a metal protective plate fixedly connected to the external steel frame.

10. A tire service apparatus as claimed in claim 9, characterized in that: A tool box (13) is arranged on the loading platform (11), and a tire gripping claw tray (111) is arranged on the loading platform (11) corresponding to the mechanical arm (23).

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