Tire hub intelligent identification equipment

Abstract

The utility model provides intelligent tire and hub identification equipment, which relates to the technical field of wheel assembly and comprises a tire feeding roller line, a hub feeding belt line, a tire photographing identification machine, a hub size measuring machine and a lubricating station. The tire photographing recognition machine is arranged at the outlet end of the tire feeding roller line, and the lubricating station is arranged at the outlet end of the tire photographing recognition machine. Tyres and hubs are conveyed through the tire feeding roller line and the hub feeding belt line respectively, the diameter and the width of the tires and light key points on the tires are recognized through the tire photographing recognition machine, and the diameter and the width of the hubs and the light key points on the hubs are recognized through the hub size measuring machine. The mechanical arm is matched with the clamp to clamp the tire to the lubricating station to lubricate the inner side of the tire, after recognition is completed, the follow-up station merging and matching functions are facilitated, an independent matching station is omitted, and the production efficiency is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wheel assembly technical field especially relates to a tire wheel hub intelligent identification equipment. BACKGROUND

[0002] In the automobile manufacturing and after-sales maintenance industry, the precise matching of tires and wheel hubs is very important, and the traditional matching method relies on manual experience, and the operator checks the tire specification mark and the wheel hub model mark, and judges whether the two are matched by the naked eye, which has many disadvantages.

[0003] On the one hand, manual identification is inefficient, especially on large-scale automobile production lines, which consumes a lot of man-hours and slows down the production rhythm; on the other hand, it is easy to cause mismatch due to human negligence, such as combining tires and wheel hubs with different load indexes or speed levels, which not only affects the vehicle driving performance, but also brings serious safety hazards, therefore, the utility model provides a tire wheel hub intelligent identification equipment to solve the problems in the prior art. UTILITY MODEL CONTENT

[0004] In view of the above problems, the utility model provides a tire wheel hub intelligent identification equipment, which facilitates subsequent station merging and matching function, cancels the separate matching station, and significantly improves the production efficiency.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a tire wheel hub intelligent identification equipment, comprising a tire feeding roller line, a wheel hub feeding belt line, a tire photographic identification machine, a wheel hub size measuring machine and a lubricating station, the tire feeding roller line and the wheel hub feeding belt line are arranged in parallel, the tire photographic identification machine is arranged at the outlet end of the tire feeding roller line, the lubricating station is arranged at the outlet end of the tire photographic identification machine, and a mechanical arm is arranged at one end of the lubricating station, and the wheel hub size measuring machine is arranged at the outlet end of the wheel hub feeding belt line.

[0006] The tire feeding roller line and the wheel hub feeding belt line are respectively used for conveying tires and wheel hubs, the tire photographic identification machine is used for identifying the diameter, width and light points on the tire, the wheel hub size measuring machine is used for identifying the diameter, width and light points on the wheel hub, the mechanical arm is provided with a clamp, and the mechanical arm cooperates with the clamp to clamp the tire to the lubricating station to lubricate the inner side of the tire.

[0007] Further improvement lies in that the tire photograph recognition machine comprises a first support and a first roller conveyor, the first roller conveyor is arranged inside the first support, a jacking cylinder is arranged below the inside of the first support, a supporting plate is arranged on the output end of the jacking cylinder, a centering auxiliary ball plate corresponding to the first roller conveyor is arranged on the supporting plate, a first driving seat is arranged at the middle end of each side of the first support, a tire normalizing arm is rotatably arranged at each end of the first driving seat, a normalizing guide wheel is arranged at the outer end of the tire normalizing arm, a height detection laser head is arranged above the inlet end of the first support, a first photoelectric switch is arranged at each end of one side of the first support, a photographing assembly is arranged at the middle position above the inside of the first support, and a first angle sensor is arranged on the inside of the tire normalizing arm.

[0008] Further improvement lies in that the tire photograph recognition machine comprises a first support and a first roller conveyor, the first roller conveyor is arranged inside the first support, a jacking cylinder is arranged below the inside of the first support, a supporting plate is arranged on the output end of the jacking cylinder, a centering auxiliary ball plate corresponding to the first roller conveyor is arranged on the supporting plate, a first driving seat is arranged at the middle end of each side of the first support, a tire normalizing arm is rotatably arranged at each end of the first driving seat, a normalizing guide wheel is arranged at the outer end of the tire normalizing arm, a height detection laser head is arranged above the inlet end of the first support, a first photoelectric switch is arranged at each end of one side of the first support, a photographing assembly is arranged at the middle position above the inside of the first support, and a first angle sensor is arranged on the inside of the tire normalizing arm.

[0009] Further improvement lies in that the tire photograph recognition machine comprises a first support and a first roller conveyor, the first roller conveyor is arranged inside the first support, a jacking cylinder is arranged below the inside of the first support, a supporting plate is arranged on the output end of the jacking cylinder, a centering auxiliary ball plate corresponding to the first roller conveyor is arranged on the supporting plate, a first driving seat is arranged at the middle end of each side of the first support, a tire normalizing arm is rotatably arranged at each end of the first driving seat, a normalizing guide wheel is arranged at the outer end of the tire normalizing arm, a height detection laser head is arranged above the inlet end of the first support, a first photoelectric switch is arranged at each end of one side of the first support, a photographing assembly is arranged at the middle position above the inside of the first support, and a first angle sensor is arranged on the inside of the tire normalizing arm.

[0010] Further improvement lies in that the tire photograph recognition machine comprises a first support and a first roller conveyor, the first roller conveyor is arranged inside the first support, a jacking cylinder is arranged below the inside of the first support, a supporting plate is arranged on the output end of the jacking cylinder, a centering auxiliary ball plate corresponding to the first roller conveyor is arranged on the supporting plate, a first driving seat is arranged at the middle end of each side of the first support, a tire normalizing arm is rotatably arranged at each end of the first driving seat, a normalizing guide wheel is arranged at the outer end of the tire normalizing arm, a height detection laser head is arranged above the inlet end of the first support, a first photoelectric switch is arranged at each end of one side of the first support, a photographing assembly is arranged at the middle position above the inside of the first support, and a first angle sensor is arranged on the inside of the tire normalizing arm.

[0011] Further improvement lies in that the lubricating station comprises a second roller conveyor and a tire rubber lubricating liquid supply assembly arranged at a position on one side of the second roller conveyor, a tire rubber lubricating liquid collecting barrel is arranged below the second roller conveyor, a lubricating lifting cylinder is arranged below the inside of the tire rubber lubricating liquid collecting barrel, a tire rubber lubricating brush penetrating through the second roller conveyor is arranged at the upper end of the lubricating lifting cylinder, and a third photoelectric switch is arranged at the rear end on one side of the second roller conveyor.

[0012] Further improvement lies in that an oil inlet is arranged on the tire rubber lubricating liquid collecting barrel and connected with the tire rubber lubricating liquid supply assembly, and a liquid level sensor is arranged below the inside of the tire rubber lubricating liquid collecting barrel.

[0013] The present application has the following advantages:

[0014] 1. The present application can send tires and hubs through the tire feeding roller line and the hub feeding belt line respectively, identify the diameter, width and light points on the tire through the tire photographing recognition machine, identify the diameter, width and light points on the hub through the hub size measuring machine, and lubricate the inside of the tire through the mechanical arm cooperating with the clamp, so that the subsequent workstations can be combined and matched, the separate matching workstations are cancelled, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view of the present application;

[0016] Figure 2 It is a schematic view of the tire photographing recognition machine of the present application;

[0017] Figure 3 It is a schematic view of the bottom of the tire photographing recognition machine of the present application;

[0018] Figure 4 It is a schematic view of the hub size measuring machine of the present application;

[0019] Figure 5 It is a schematic view of the bottom of the hub size measuring machine of the present application;

[0020] Figure 6 It is a schematic view of the lubricating station of the present application;

[0021] Figure 7 It is a schematic view of the lubricating station of the present application;

[0022] Wherein: 1, tire feeding roller line; 2, hub feeding belt line; 3, tire photographic identification machine; 4, hub size measuring machine; 5, lubricating station; 6, mechanical arm; 7, first support; 8, first roller conveyor; 9, jacking cylinder; 10, supporting plate; 11, centering auxiliary ball plate; 12, first driving seat; 13, tire centering arm; 14, centering guide wheel; 15, height detection laser head; 16, first photoelectric switch; 17, photographic assembly; 18, first gear; 19, linkage arm; 20, first centering cylinder; 21, first linkage rod; 22, second support; 23, conveyor; 24, second driving seat; 25, hub centering arm; 26, nylon guide wheel; 27, rodless cylinder; 28, displacement sensor; 29, second photoelectric switch; 30, photographic mechanism; 31, second gear; 32, linkage plate; 33, second centering cylinder; 34, second linkage rod; 35, clamp; 36, second roller conveyor; 37, tire skin lubricating liquid supply assembly; 38, lubricating lifting cylinder; 39, tire skin lubricating liquid collection barrel; 40, tire skin lubricating brush; 41, third photoelectric switch. DETAILED DESCRIPTION

[0023] In order to deepen the understanding of the utility model, the utility model will be further described in the following embodiments, and the embodiments are only used to explain the utility model and do not constitute the limitation of the protection scope of the utility model.

[0024] Embodiment one

[0025] According to Figure 1 , 2 , 3, 4, 5, 6, 7, the embodiment proposes a kind of intelligent identification equipment of tire hub, including tire feeding roller line 1, hub feeding belt line 2, tire photographic identification machine 3, hub size measuring machine 4 and lubricating station 5, the tire feeding roller line 1, hub feeding belt line 2 are arranged in parallel, the tire photographic identification machine 3 is located at the export end of tire feeding roller line 1, the lubricating station 5 is located at the export end of tire photographic identification machine 3, and mechanical arm 6 is equipped at one end position of lubricating station 5, the hub size measuring machine 4 is located at the export end of hub feeding belt line 2;

[0026] The tire feeding drum line 1 and the hub feeding belt line 2 are respectively used for conveying tires and hubs, the tire photographic identification machine 3 is used for identifying the diameter, width and light points on the tire, the hub size measuring machine 4 is used for identifying the diameter, width and light points on the hub, the mechanical arm 6 is provided with a clamp 35, and the mechanical arm 6 cooperates with the clamp 35 to clamp the tire to the lubricating station 5 to lubricate the inner side of the tire. In use, the tires and hubs are conveyed to the respective feeding devices; the tires are conveyed to the tire photographic identification machine 3 through the drum line, the diameter, width and light points on the tire are identified, the hubs are conveyed to the hub photographic identification machine 4 through the belt line, the diameter, width and light points on the hub are identified, the tires are conveyed to the designated lubricating station 5 through the drum line, the mechanical hand 6 clamps and lubricates the inner side of the tire, the hubs are conveyed to the subsequent assembly matching station through the belt line to be clamped and fixed, and then the mechanical hand 6 installs the lubricated tire on the hub and aligns the light points of the tire and the hub according to the data obtained in front. Direct identification and matching reduces the subsequent special matching station, shortens the line length and saves energy consumption.

[0027] The tire photographic identification machine 3 comprises a first support 7 and a first drum conveyor 8, the first drum conveyor 8 is arranged on the inner side of the first support 7, a lifting cylinder 9 is arranged on the lower side of the inside of the first support 7, a supporting plate 10 is arranged on the output end of the lifting cylinder 9, a centering auxiliary ball plate 11 is arranged on the supporting plate 10 and spaced from the first drum conveyor 8, a first driving seat 12 is arranged on the middle end of each side of the first support 7, a tire centering arm 13 is rotatably arranged on each end of the first driving seat 12, a centering guide wheel 14 is arranged on the outer end of the tire centering arm 13, a height detection laser head 15 is arranged above the inlet end of the first support 7, first photoelectric switches 16 are arranged on both ends of one side of the first support 7, a photographic assembly 17 is arranged at the middle position on the upper side of the inside of the first support 7, and a first angle sensor is arranged on the inner side of the tire centering arm 13. In use, the tire is conveyed to the inlet of the tire photographic identification machine 3 through the drum line, a height detection laser head 15 is arranged above the inlet to determine the height of the tire, and the tire is conveyed to the designated position through the first drum conveyor 8; when the tire reaches the designated position, the centering auxiliary ball plate 11 is lifted by the lifting cylinder 9; the first centering cylinder 20 below drives the tire centering arm 13 above to clamp the tire in the middle and determine the diameter of the tire through the built-in first angle sensor, and then the photographic assembly 17 above takes a picture to identify the light points, and then the data is transmitted to the rear equipment; finally, the centering auxiliary ball plate 11 is lowered by the lifting cylinder 9, and then the first drum conveyor 8 drives the tire to the next station. The first photoelectric switch 16 is used to identify the position of the tire.

[0028] The lower part of the four groups of tire alignment arms 13 rotating ends are connected with first gears 18, the same side two groups of first gears 18 are engaged with each other, the rear end of one side first gear 18 and the front end of the other side first gear 18 are equipped with linkage arms 19, and the two groups of linkage arms 19 are hinged with first linkage rods 21, the bottom of the first support 7 is equipped with first centering cylinders 20 on both sides, and the output ends of the two groups of first centering cylinders 20 are hinged with the two groups of linkage arms 19. In use, the first centering cylinder 20 pushes the linkage arm 19 to rotate, drives a group of first gears 18 to rotate, the first gear 18 makes the other group of first gears 18 rotate, so that the same side two groups of tire alignment arms 13 rotate to clamp the middle tire, because the two groups of linkage arms 19 are hinged with first linkage rods 21, the four groups of tire alignment arms 13 at both ends are synchronous to rotate to clamp the middle tire.

[0029] The hub size measuring machine 4 comprises a second support 22 and a conveyor 23, the conveyor 23 is arranged inside the second support 22, the middle position of both sides of the second support 22 is equipped with second drive seats 24, and the outer ends of the hub centering arms 25 are rotatably provided with nylon guide wheels 26, a group of hub centering arms 25 is equipped with rodless cylinders 27, and the rodless cylinders 27 are equipped with displacement sensors 28, both ends of one side of the second support 22 are equipped with second photoelectric switches 29, the middle position of the upper part inside the second support 22 is equipped with a camera mechanism 30, and the inner side of the hub centering arm 25 is equipped with a second angle sensor. In use, the hub is transported to the hub size measuring machine 4 by the belt line, and then the hub is transported to the designated position by the internal conveyor 23; after the hub reaches the designated position, the hub is clamped by the two hub centering arms 25, the rodless cylinder 27 and the displacement sensor 28 on one side of the hub centering arm 25 cooperate to measure the width of the hub, and the built-in second angle sensor measures the width of the hub; then the photographing mechanism 30 above is used to take pictures to identify the light points of the hub, and then the data is transmitted to the rear equipment; after the detection is completed, it is transported to the next station by the conveying belt. The second photoelectric switch 29 is used to identify the position of the hub.

[0030] The lower part of the four groups of hub centering arms 25 rotating ends are connected with second gears 31, the same side two groups of second gears 31 are meshed with each other, the front end of one side second gear 31 and the rear end of the other side second gear 31 are respectively provided with linkage plates 32, and the two groups of linkage plates 32 are hinged with a second linkage rod 34, and the bottom of the second support 22 is rotatably provided with a second centering cylinder 33 at both ends, and the output ends of the two groups of second centering cylinders 33 are respectively hinged with the two groups of linkage plates 32.

[0031] Embodiment two

[0032] According to Figure 1 、 2 , 3, 4, 5, 6, 7, the embodiment provides a tire hub intelligent identification equipment, which comprises a tire feeding drum line 1, a hub feeding belt line 2, a tire photographic identification machine 3, a hub size measuring machine 4 and a lubricating station 5, the tire feeding drum line 1 and the hub feeding belt line 2 are arranged in parallel, the tire photographic identification machine 3 is arranged at the outlet end of the tire feeding drum line 1, the lubricating station 5 is arranged at the outlet end of the tire photographic identification machine 3, and a mechanical arm 6 is arranged at one end position of the lubricating station 5, and the hub size measuring machine 4 is arranged at the outlet end of the hub feeding belt line 2.

[0033] The tire feeding drum line 1 and the hub feeding belt line 2 are respectively used for conveying tires and hubs, the tire photographic identification machine 3 is used for identifying the diameter, width and light points on the tire, the hub size measuring machine 4 is used for identifying the diameter, width and light points on the hub, the mechanical arm 6 is provided with a clamp 35, and the mechanical arm 6 cooperates with the clamp 35 to clamp the tire to the lubricating station 5 to lubricate the inner side of the tire. In use, the tires and hubs are conveyed to the respective feeding devices; the tire is conveyed to the tire photographic identification machine 3 through the drum line, the diameter and width of the tire and the light points on the tire are identified; the hub is conveyed to the hub photographic identification machine 4 through the belt line, the diameter and width of the hub and the light points on the hub are identified; the tire is conveyed to the designated lubricating station 5 through the drum line, is clamped by the mechanical hand 6 and is lubricated on the inner side, the hub is conveyed to the subsequent assembly matching station through the belt line and is clamped and fixed, and then the mechanical hand 6 installs the lubricated tire on the hub and aligns the light points of the tire hub according to the obtained data. Direct identification and matching reduces the subsequent special matching station, shortens the line length and saves energy consumption.

[0034] The lubricating station 5 comprises a second drum conveyor 36 and a tire rubber lubricating liquid supply assembly 37 arranged at a position on one side of the second drum conveyor 36, a tire rubber lubricating liquid collecting barrel 39 is arranged below the second drum conveyor 36, a lubricating lifting cylinder 38 is arranged below the inside of the tire rubber lubricating liquid collecting barrel 39, a tire rubber lubricating brush 40 is arranged at the upper end of the lubricating lifting cylinder 38 and passes through the second drum conveyor 36, and a third photoelectric switch 41 is arranged at the rear end on one side of the second drum conveyor 36. An oil inlet is arranged on the tire rubber lubricating liquid collecting barrel 39 and is connected with the tire rubber lubricating liquid supply assembly 37, and a liquid level sensor is arranged below the inside of the tire rubber lubricating liquid collecting barrel 39. In use, the second drum conveyor 36 brings the tire to a designated position thereon, and then the clamp 35 is driven by the mechanical arm 6 to a designated position, the clamp is adjusted to a proper size by information transmitted from a previous station and is used for clamping the tire to be sent above the tire rubber lubricating brush 40, the tire rubber lubricating liquid supply assembly 37 supplies lubricating oil to the tire rubber lubricating liquid collecting barrel 39, the tire rubber lubricating brush 40 is fully immersed in the lubricating oil, the lubricating lifting cylinder 38 drives the tire rubber lubricating brush 40 to extend, the tire is lubricated, a collecting bucket is arranged above the tire rubber lubricating liquid collecting barrel 39 and is used for collecting the lubricating oil leaked, the lubricating oil directly flows to the lowermost part of the tire rubber lubricating liquid collecting barrel 39, a liquid level sensor is arranged at the lowermost part and is used for detecting the position of the oil liquid in the barrel, and then the oil liquid is recovered through a lower recovery port, the mechanical arm 6 drives the tire to rotate through the clamp 35 to complete the lubrication, the tire rubber lubricating brush 40 is retracted after the lubrication is completed, and the mechanical arm 6 carries the tire to a next station for assembly.

[0035] The tire hub intelligent recognition device recognizes the diameter, width and light points on the tire through the tire photographing recognition machine 3, recognizes the diameter, width and light points on the hub through the hub size measuring machine 4, and lubricates the inside of the tire through the mechanical arm 6 cooperating with the clamp 35 to clamp the tire to the lubricating station 5, so that the subsequent station is facilitated to combine and match, the separate matching station is cancelled, and the production efficiency is significantly improved.

[0036] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A tire hub intelligent identification device, comprising a tire feeding drum line (1), a hub feeding belt line (2), a tire photographic identification machine (3), a hub size measuring machine (4) and a lubricating station (5), characterized in that: The tire feeding cylinder line (1) and the hub feeding belt line (2) are arranged in parallel, the tire photographic identification machine (3) is arranged at the outlet end of the tire feeding cylinder line (1), the lubricating station (5) is arranged at the outlet end of the tire photographic identification machine (3), and the lubricating station (5) is provided with a mechanical arm (6) at one end position. The tire feeding cylinder line (1) and the hub feeding belt line (2) are respectively used for conveying tires and hubs, the tire photographic identification machine (3) is used for identifying the diameter, width and light points on the tire, the hub size measuring machine (4) is used for identifying the diameter, width and light points on the hub, the mechanical arm (6) is provided with a clamp (35), and the mechanical arm (6) cooperates with the clamp (35) to clamp the tire to the lubricating station (5) to lubricate the inner side of the tire. 2.The tire hub intelligent identification device according to claim 1, characterized in that: The tire photographic identification machine (3) comprises a first support (7) and a first cylinder conveyor (8), the first cylinder conveyor (8) is arranged on the inner side of the first support (7), a jacking cylinder (9) is arranged below the inside of the first support (7), the output end of the jacking cylinder (9) is provided with a supporting plate (10), the supporting plate (10) is provided with a centering auxiliary ball plate (11) corresponding to the first cylinder conveyor (8), the middle ends of the two sides of the first support (7) are provided with first drive seats (12), the two ends of the first drive seat (12) are rotatably provided with tire correcting arms (13), the outer ends of the tire correcting arms (13) are provided with correcting guide wheels (14), the upper side of the inlet end of the first support (7) is provided with a height detection laser head (15), the two ends of one side of the first support (7) are provided with first photoelectric switches (16), the middle position of the inner side of the first support (7) is provided with a photographic assembly (17), and the inner side of the tire correcting arm (13) is provided with a first angle sensor.

3. The tire hub intelligent identification device according to claim 2, characterized in that: The lower sides of the rotating ends of the four groups of tire correcting arms (13) are connected with first gears (18), the two groups of first gears (18) on the same side are meshed with each other, the first gear (18) at the rear end on one side and the first gear (18) at the front end on the other side are both provided with linkage arms (19), and the two groups of linkage arms (19) are hingedly connected with a first linkage rod (21), and the two sides of the bottom of the first support (7) are rotatably provided with first centering cylinders (20), and the output ends of the two groups of first centering cylinders (20) are respectively hingedly connected with the two groups of linkage arms (19).

4. The intelligent tire hub recognition device of claim 1, wherein: The hub size measuring machine (4) comprises a second support (22) and a conveyor (23) arranged inside the second support (22), second driving seats (24) are arranged at the middle positions of the two sides of the second support (22), hub centering arms (25) are rotatably arranged at the two ends of the second driving seats (24), nylon guide wheels (26) are rotatably arranged at the outer ends of the hub centering arms (25), rodless cylinders (27) are arranged on a group of the hub centering arms (25), displacement sensors (28) are arranged on the rodless cylinders (27), second photoelectric switches (29) are arranged at the two ends of one side of the second support (22), a camera mechanism (30) is arranged at the middle position of the upper part inside the second support (22), and second angle sensors are arranged on the inner sides of the hub centering arms (25).

5. The intelligent tire hub recognition device of claim 4, wherein: Second gears (31) are connected below the rotating ends of the four groups of hub centering arms (25), the second gears (31) on the same side are meshed with each other, linkage plates (32) are arranged below the second gears (31) at the front end on one side and the rear end on the other side, a second linkage rod (34) is hingedly connected between the two groups of linkage plates (32), second centering cylinders (33) are rotatably arranged at the two ends of the bottom of the second support (22), and the output ends of the two groups of second centering cylinders (33) are respectively hingedly connected with the two groups of linkage plates (32).

6. The tire hub intelligent identification device according to claim 1, characterized in that: The lubricating station (5) comprises a second roller conveyor (36) and a tire rubber lubricating liquid supply assembly (37) arranged at one side position of the second roller conveyor (36), a tire rubber lubricating liquid collecting barrel (39) is arranged below the second roller conveyor (36), a lubricating lifting cylinder (38) is arranged below the inside of the tire rubber lubricating liquid collecting barrel (39), a tire rubber lubricating brush (40) penetrating through the second roller conveyor (36) is arranged at the upper end of the lubricating lifting cylinder (38), and a third photoelectric switch (41) is arranged at the rear end of one side of the second roller conveyor (36).

7. The intelligent tire hub recognition device of claim 6, wherein: An oil inlet is arranged on the tire rubber lubricating liquid collecting barrel (39), the oil inlet is connected with the tire rubber lubricating liquid supply assembly (37), and a liquid level sensor is arranged below the inside of the tire rubber lubricating liquid collecting barrel (39).

Images