Tire lifting device and tire maintenance equipment

Abstract

The utility model provides a tire lifting device and tire overhauling equipment, and the tire lifting device comprises a base which comprises a base and a vertical seat arranged on the base; the lifting mechanism is arranged on the vertical seat; the limiting device is arranged on the vertical base and located on the upper side of the lifting mechanism, can ascend or descend in the length direction of the vertical base and can rotate relative to the vertical base; the limiting device and the lifting mechanism are arranged in a linkage mode through a linkage mechanism, the lifting mechanism is in linkage with the limiting device to descend under the ascending condition, and the lifting mechanism is in linkage with the limiting device to ascend under the descending condition; the power output end of the power device is connected with the lifting mechanism, and the power device is connected with the power source through a limiting device; and under the condition that the limiting device rotates to the first limiting angle, connection between the power device and the power source is cut off. Tedious manual operation is avoided, and tire lifting can be efficiently and conveniently achieved.

Description

Technical Field

[0001] This utility model relates to the field of vehicle repair and manufacturing technology, and in particular to a tire lifting device and tire inspection equipment. Background Technology

[0002] Existing tire lifting devices use cylinders to drive the lifting mechanism of the loaded tires. This requires manual operation of the control valve on the cylinder to control the extension and retraction of the cylinder, thereby controlling the lifting and lowering of the tires.

[0003] Specifically, once the target height to which the tire needs to be raised is determined, the user needs to manually operate the control valve of the cylinder to output power and raise the tire. When the tire is raised to near the target height, the user needs to manually and slightly, in small amounts and multiple times, adjust the position of the tire until it reaches the target height. This process is cumbersome and inefficient. Utility Model Content

[0004] This utility model provides a tire lifting device and tire inspection equipment to solve the problems of existing tire lifting devices, which use cylinders to drive the lifting mechanism of the loaded tire. These devices require manual operation of the control valve on the cylinder to control the extension and retraction of the cylinder to control the tire's lifting. Specifically, once the target height to be raised is determined, the user needs to manually turn the control valve of the cylinder to output power and lift the tire. When the tire is raised close to the target height, the user needs to manually turn the control valve slightly, in small amounts, and multiple times to fine-tune the tire's position until the tire reaches the target height. This operation is cumbersome and inefficient.

[0005] To solve the above-mentioned technical problems, this utility model is implemented as follows:

[0006] In a first aspect, embodiments of the present invention provide a tire lifting device, comprising:

[0007] The base includes: a base plate and a standing base disposed on the base plate;

[0008] A lifting mechanism, mounted on the stand, is used to lift or lower the loaded tire along the length of the stand.

[0009] A limiting device is provided on the stand and located above the lifting mechanism, which can both rise or fall along the length of the stand and rotate relative to the stand.

[0010] The limiting device and the lifting mechanism are linked together by a linkage mechanism. When the lifting mechanism is rising, it links the limiting device to descend, and when the lifting mechanism is descending, it links the limiting device to rise.

[0011] A power device is connected with the lifting mechanism, and the power device is connected with a power source through the limiting device;

[0012] The limiting device has a first limiting angle, and the limiting device cuts off the connection between the power device and the power source when the limiting device is rotated to the first limiting angle.

[0013] Optionally, the linkage mechanism comprises:

[0014] Pulleys, two of which are arranged on the stand in an upper and lower spaced manner, and the axes of the two pulleys are parallel to each other;

[0015] A flexible cable is sleeved between the two pulleys, has two side segments located between the two pulleys and opposite to each other, one side segment is connected with the lifting mechanism, and the other side segment is connected with the limiting device.

[0016] Optionally, the power device comprises a cylinder and a pneumatic control valve for controlling the extension and retraction of the cylinder; and the power source is a gas source;

[0017] The limiting device comprises:

[0018] A first guide rail is arranged on the stand and extends in an up-down direction;

[0019] A limiting seat is arranged on the first guide rail in a sliding manner along the length direction of the first guide rail;

[0020] A first valve is arranged on the limiting seat, a retraction control port of the pneumatic control valve is communicated with the gas source through the first valve, the pneumatic control valve controls the retraction of the cylinder when the retraction control port is communicated with the gas source, and the first valve is used to control the communication or disconnection between the retraction control port and the gas source;

[0021] A limiting assembly is rotatably arranged on the limiting seat and connected with the first valve, and the limiting assembly triggers the first valve to disconnect the retraction control port from the gas source when the limiting assembly is rotated to the first limiting angle.

[0022] Optionally, the first valve comprises a valve body, a first opening and a second opening arranged on the valve body, and a spring-loaded mechanical switch mechanism arranged on the valve body;

[0023] The first opening and the second opening are communicated through a valve cavity of the valve body, the first opening is communicated with the gas source, the second opening is communicated with the retraction control port, and the spring-loaded mechanical switch mechanism is used to control the communication or disconnection between the first opening and the second opening;

[0024] The limiting component is connected to the spring-loaded mechanical switch mechanism. When the limiting component rotates to the first limiting angle, it triggers the spring-loaded mechanical switch mechanism to control the disconnection between the first opening and the second opening.

[0025] Optionally, it also includes:

[0026] A manual control valve is located between the first valve and the gas source, used to control the connection or disconnection between the first valve and the gas source;

[0027] The manual control valve is also connected to the extension control valve port of the pneumatic control valve, and is used to control the connection or disconnection between the extension control valve port and the air source. When the extension control valve port is connected to the air source, the pneumatic control valve controls the cylinder to extend.

[0028] When the manual control valve controls the first valve to be connected to the air source, it controls the extension control valve port to disconnect from the air source.

[0029] When the manual control valve controls the extension control valve port to be connected to the air source, it controls the first valve to be disconnected from the air source.

[0030] Optionally, the lifting mechanism includes:

[0031] The second guide rail is provided on the stand and extends in the vertical direction;

[0032] The support base is connected to the power output end of the power device and can slide along the second guide rail;

[0033] A support plate, connected to the support base, is used to load tires.

[0034] Optionally, the support plate includes: a first support plate and a second support plate;

[0035] The first support plate is fixedly connected to the support base;

[0036] The second support plate is rotatably connected to the outer edge of the first support plate away from the stand, and has an unfolded state and a retracted state relative to the first support plate; in the unfolded state, the surface of the second support plate extends downward at an angle away from the stand, and in the retracted state, the second support plate and the first support plate fold together one above the other.

[0037] Optionally, the base includes:

[0038] A frame, wherein a third guide rail extends in the left-right direction;

[0039] A moving base is arranged on the frame and can slide along the third guide rail, and the vertical base is arranged on the moving base.

[0040] Optionally, the third guide rail comprises at least two rails parallel to each other.

[0041] In a second aspect, the utility model provides a tire maintenance equipment, including the tire lifting device of any one in the first aspect.

[0042] In the utility model embodiment tire lifting device includes: base, including: base plate, and vertical base arranged on the base plate;Lifting mechanism, be located on the vertical base, be used for loading tire and rise or fall along the length direction of the vertical base;Limiting device, be located in the vertical base and be located the upside of the lifting mechanism, can rise or fall along the length direction of the vertical base, also can rotate relative to the vertical base;The limiting device and the lifting mechanism are linked through linkage mechanism and are arranged in linkage, the lifting mechanism links the limiting device to fall in the case of rising, the lifting mechanism links the limiting device to rise in the case of falling;Power device, power output end is connected with the lifting mechanism, the power device is connected with power source through the limiting device;The limiting device has first limiting angle, the limiting device is in the case of rotating to the first limiting angle, cut off the connection of power device and power source.The utility model can realize the linkage motion of lifting mechanism and limiting device, and, when the limiting device rotates to the first limiting angle, cut off the connection of power device and power source, interrupt the linkage motion of lifting mechanism and limiting device, avoid the artificial complicated operation, can efficiently and conveniently realize tire lifting. BRIEF DESCRIPTION OF DRAWINGS

[0043] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments and are not intended to limit the scope of the application. Furthermore, the drawings are not necessarily drawn to scale. In the drawings:

[0044] Figure 1 It is a structural schematic view of the utility model embodiment tire lifting device;

[0045] Figure 2 It is a structural schematic view of the linkage mechanism in the utility model embodiment tire lifting device;

[0046] Figure 3 It is one of the linkage principle schematic view of the linkage mechanism in the utility model embodiment tire lifting device;

[0047] Figure 4It is the schematic view of linkage principle of linkage mechanism in the tire lifting device of the embodiment of the utility model;

[0048] Figure 5 It is the schematic view of linkage principle of linkage mechanism in the tire lifting device of the embodiment of the utility model;

[0049] Figure 6 It is the structural schematic view of power device in the tire lifting device of the embodiment of the utility model;

[0050] Figure 7 It is the structural schematic view of limiting device in the tire lifting device of the embodiment of the utility model;

[0051] Figure 8 It is the schematic view of limiting device in the tire lifting device of the embodiment of the utility model under normal working condition;

[0052] Figure 9 It is the schematic view of limiting device in the tire lifting device of the embodiment of the utility model when rotating to the first limiting angle;

[0053] Figure 10 It is the gas circuit principle schematic view of the tire lifting device of the embodiment of the utility model;

[0054] Figure 11a It is the gas circuit principle schematic view when lifting mechanism rises (cylinder contracts);

[0055] Figure 11b It is the gas circuit principle schematic view when limiting device rotates to the first limiting angle;

[0056] Figure 11c It is the gas circuit principle schematic view when lifting mechanism falls (cylinder extends);

[0057] Figure 12 It is the structural schematic view of support seat and support plate in the tire lifting device of the embodiment of the utility model;

[0058] Figure 13 It is the structural schematic view of base in the tire lifting device of the embodiment of the utility model;

[0059] Figure 14 It is the running principle schematic view of tire maintenance equipment of the embodiment of the utility model one;

[0060] Figure 15 It is the running principle schematic view of tire maintenance equipment of the embodiment of the utility model two;

[0061] Figure 16 It is the running principle schematic view of tire maintenance equipment of the embodiment of the utility model three;

[0062] Figure 17The utility model discloses a fourth operation principle schematic view of tire overhauling equipment.

[0063] Among them:

[0064] 100, base; 200, stand; 300, gas source; 400, tire balancing device;

[0065] 101, rack; 102, third guide rail; 102a, track; 103, moving seat;

[0066] 1, lifting mechanism; 11, second guide rail; 12, support seat; 13, support plate; 131, first support plate; 132, second support plate;

[0067] 2, limiting device; 21, first guide rail; 22, limiting seat; 23, first valve; 230, valve body; 231, first opening; 232, second opening; 233, elastic mechanical switch mechanism; 233a, elastic boss; 24, limiting assembly; 241, limiting plate; 242, limiting groove; 243, limiting rod; 25, first elastic piece;

[0068] 3, linkage mechanism; 31, pulley; 32, flexible cable;

[0069] 4, power device; 41, cylinder; 42, pneumatic control valve; N, contraction control valve port; M, elongation control valve port;

[0070] 5, manual control valve;

[0071] 61, linkage rod; 62, first clamping piece; 63, limiting piece; 7, second clamping piece;

[0072] A, air inlet; R, included angle; S, first limiting angle; L, first exhaust port; K, second exhaust port; P, first air inlet, O, second air inlet. DETAILED DESCRIPTION

[0073] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the utility model. Obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0074] The terms "first", "second", and the like in the embodiments of the present utility model are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present utility model can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first" and "second" are usually a category and do not limit the number of objects, for example, the first object can be one or more. In addition, "or" in the embodiments of the present utility model represents at least one of the connected objects. For example, "A or B" covers three schemes, namely, scheme one: including A and not including B; scheme two: including B and not including A; and scheme three: including A and B. The character " / " generally represents an "or" relationship between the front and rear associated objects.

[0075] In the technical scheme of the embodiments of the present utility model, "connection", "coupling" or "connection" and the like are not limited to physical or mechanical connection, but can include electrical connection.

[0076] In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as there is no conflict between them.

[0077] The embodiments of the present utility model provide a tire lifting device, referring to Figure 1 The embodiments of the present utility model provide a tire lifting device, referring to

[0078] The base comprises a base 100 and a stand 200 arranged on the base 100.

[0079] The lifting mechanism 1 is arranged on the stand 200 and is used to load the tire to rise or fall along the length direction of the stand 200.

[0080] The limiting device 2 is arranged on the stand 200 and is located on the upper side of the lifting mechanism 1, which can not only rise or fall along the length direction of the stand 200, but also can rotate relative to the stand 200.

[0081] The limiting device 2 and the lifting mechanism 1 are arranged in linkage through the linkage mechanism 3. The lifting mechanism 1 links the limiting device 2 to fall in the case of rising, and the lifting mechanism 1 links the limiting device 2 to rise in the case of falling.

[0082] The power device 4 is connected with the lifting mechanism 1 through the power output end, and the power device 4 is connected with the power source through the limiting device 2.

[0083] The limiting device 2 has a first limiting angle S. In the case of rotating to the first limiting angle S, the limiting device 2 cuts off the connection between the power device 4 and the power source.

[0084] It should be noted that in actual application, the user can adjust the limiting device 2 according to the tire specifications to adjust the limiting position of the tire lifting (i.e. the target height to which the tire needs to be lifted, which can be specifically set by the user according to the tire specifications), which has high flexibility.

[0085] In the embodiment of the utility model, when the tire needs to be lifted, the user can operate the power device 4 to drive the lifting mechanism 1 to rise, so as to lift the tire loaded on the lifting mechanism 1, and the linkage limiting device 2 is lowered, and the lifting mechanism 1 and the limiting device 2 gradually approach each other. With the lifting of the tire, the tire abuts against the limiting device 2. After abutting, with the further lifting of the tire, when the tire drives the limiting device 2 to rotate to the first limiting angle S, the limiting device 2 cuts off the connection between the power device 4 and the power source, so that the power device 4 stops driving the lifting mechanism to rise, and the tire is located at the limiting position.

[0086] In the embodiment of the utility model, the tire lifting device comprises: a base, comprising: a base 100, and a stand 200 arranged on the base 100; a lifting mechanism 1 arranged on the stand 200 and used for loading the tire to rise or fall along the length direction of the stand 200; a limiting device 2 arranged on the stand 200 and located on the upper side of the lifting mechanism 1, which can not only rise or fall along the length direction of the stand 200, but also rotate relative to the stand 200; the limiting device 2 and the lifting mechanism 1 are arranged in linkage through a linkage mechanism 3, the lifting mechanism 1 links the limiting device 2 to lower in the case of rising, and the lifting mechanism 1 links the limiting device 2 to rise in the case of falling; a power device 4, the power output end is connected with the lifting mechanism 1, and the power device 4 is connected with the power source through the limiting device 2; the limiting device 2 has a first limiting angle S, and the limiting device 2 cuts off the connection between the power device 4 and the power source in the case of rotating to the first limiting angle S. The utility model can realize the linkage movement of the lifting mechanism 1 and the limiting device 2, and cut off the connection between the power device 4 and the power source when the limiting device 2 rotates to the first limiting angle S, interrupt the linkage movement of the lifting mechanism 1 and the limiting device 2, avoid the artificial complicated operation, and can efficiently and conveniently realize the tire lifting.

[0087] In some embodiments of the utility model, optionally, referring to Figures 1 to 5 The linkage mechanism 3 comprises:

[0088] The pulley 31 has two, the two pulleys 31 are arranged on the stand 200 in an upper and lower interval, and the axes of the two pulleys 31 are parallel to each other;

[0089] The flexible cable 32 is sleeved between the two pulleys 31 and has two side segments located opposite to each other between the two pulleys 31, one side segment is connected with the lifting mechanism 1, and the other side segment is connected with the limiting device 2.

[0090] Specifically, referring toFigures 2 to 5 As shown in some optional embodiments, the lifting mechanism 1 comprises a linkage rod 61 extending in the up-down direction, the lower end of the linkage rod 61 is connected with the support base 12 of the lifting mechanism 1, and the upper end of the linkage rod 61 is provided with a first clamping piece 62. The lifting mechanism 1 is connected with one side section of the flexible cable 32 through the clamping of the first clamping piece 62 on the side section. The limiting device 2 comprises a second clamping piece 7, and the limiting device 2 is connected with the other side section of the flexible cable 32 through the clamping of the second clamping piece 7 on the other side section. When the power device 4 drives the lifting mechanism 1 to rise, the lifting mechanism 1 drives the flexible cable 32 to move around the two pulleys 31 through the clamping connection of the first clamping piece 62 with the flexible cable 32, and the flexible cable 32 further drives the limiting device 2 to descend through the clamping connection of the second clamping piece 7 with the flexible cable 32, so as to realize the linkage of the lifting mechanism 1 rising and the limiting device 2 descending. The principle of the linkage of the lifting mechanism 1 descending and the limiting device 2 rising is the same as the above-mentioned principle of the linkage of the lifting mechanism 1 rising and the limiting device 2 descending, only the direction is opposite, which will not be described here.

[0091] In some embodiments of the utility model, the flexible cable 32 can comprise any one of the following: a rope, a chain, a belt. It needs to be explained that in the case of the flexible cable 32 being a chain, the two pulleys 31 also have tooth grooves extending on the circumferential side thereof to engage with the chain.

[0092] In some optional embodiments, the lifting mechanism 1 further comprises a limiting piece 63 for limiting the displacement of the linkage rod 61 in the axial direction of the linkage rod 61 (in this embodiment, that is, the up-down direction), the limiting piece 63 is fixedly arranged on the stand 200, and the limiting piece 63 has a limiting hole extending in the up-down direction. The linkage rod 61 is arranged in the limiting hole and can slide up and down along the limiting hole.

[0093] In some embodiments of the utility model, optionally, referring to 6 and Figure 10 As shown,

[0094] The power device 4 comprises a cylinder 41 and a pneumatic control valve 42 for controlling the extension and retraction of the cylinder 41, and the power source is a gas source 300;

[0095] Referring to Figures 2 to 7 As shown, the limiting device 2 comprises:

[0096] The first guide rail 21 is arranged on the stand 200 and extends in the up-down direction;

[0097] The limiting seat 22 is arranged on the first guide rail 21 and slides in the length direction of the first guide rail 21;

[0098] The first valve 23 is arranged on the limiting seat 22, and specifically, referring to Figure 10As shown, the contraction control valve port N of the pneumatic control valve 42 is communicated with the gas source 300 through the first valve 23, and the pneumatic control valve 42 controls the cylinder 41 to contract in the case that the contraction control valve port N is communicated with the gas source 300, and the first valve 23 is used for controlling the communication or disconnection between the contraction control valve port N and the gas source 300;

[0099] Specifically, in the embodiment of the utility model, in the case that the contraction control valve port N is communicated with the gas source 300, the gas of the gas source 300 enters the pneumatic control valve 42 through the gas inlet A of the pneumatic control valve 42, and the pneumatic control valve 42 inputs the gas to the first gas inlet P of the cylinder 41 through the first exhaust port L, and the gas pushes the cylinder 41 to contract after entering the cylinder 41.

[0100] The limiting assembly 24 is rotatably arranged on the limiting seat 22 and connected with the first valve 23, and the limiting assembly 24 triggers the first valve 23 to control the disconnection between the contraction control valve port N and the gas source 300 in the case that it is rotated to the first limiting angle S.

[0101] It should be noted that, in the embodiment of the utility model, the power output end of the power device 4 can be the telescopic arm of the cylinder 41. The telescopic arm is arranged in the inner cavity of the cylinder body of the cylinder 41. Under the control of the pneumatic control, the telescopic arm can slide and stretch out and retract along the extension direction of the inner cavity of the cylinder body of the cylinder 41.

[0102] Referring to Figure 8 and Figure 9 As shown, Figure 8 It is a schematic view of the limiting assembly 24 under the normal working condition, wherein the limiting assembly 24 and the vertical seat 200 form an included angle R, and the angle value of the included angle R is 0°. Figure 9 It is a schematic view of the limiting assembly 24 under the first limiting angle S, wherein the limiting assembly 24 and the vertical seat 200 form the first limiting angle S, and the first limiting angle S satisfies: 0°<S<90°.

[0103] It should be noted that, in actual application, the user can set the target height (i.e. the limiting position) that the tire needs to be lifted to when reaching the first limiting angle S according to the needs of the user through the accurate design of the limiting device. Specifically, referring to Figures 7 to 9As shown, the limiting assembly 24 comprises: a limiting plate 241 extending in the front-rear direction, a rear side edge portion of the limiting plate 241 being rotatably arranged on the limiting seat 22 and connected with the first valve 23, and a front side edge portion of the limiting plate 241 having a limiting groove 242 extending in the up-down direction; and the limiting assembly 24 further comprises: a limiting rod 243, one end portion of the limiting rod 243 being detachably arranged in the limiting groove 242. When the target height needs to be adjusted, a user can detach the limiting rod 243 from the limiting groove 242, adjust the connecting position of the limiting rod 243 in the limiting groove 242 after the limiting rod 243, and then connect the limiting rod 243 to the limiting groove 242, so as to complete the adjustment of the target height. Exemplarily, the connecting position is adjusted upward to increase the target height, and the connecting position is adjusted downward to decrease the target height.

[0104] Optionally, in some embodiments of the utility model, the limiting device 2 further comprises a first elastic member 25, the first elastic member 25 being arranged between the limiting assembly 24 and the limiting seat 22, and being used to provide the elastic force required for maintaining the normal working condition to the limiting assembly 24. In some optional embodiments, the first elastic member 25 is a spring.

[0105] Optionally, in some embodiments of the utility model, the first valve 23 comprises: a valve body 230, a first opening 231 (i.e., the opening F in the valve body 230) and a second opening 232 (i.e., the opening G in the valve body 230) arranged on the valve body 230, and a mechanical spring-pressing switch mechanism 233 arranged on the valve body 230. Figures 7 to 9 Figure 10 Figure 10

[0106] The first opening 231 and the second opening 232 are communicated through a valve cavity of the valve body 230, the first opening 231 is communicated with the gas source 300, the second opening 232 is communicated with the contraction control valve port N, and the mechanical spring-pressing switch mechanism 233 is used to control the communication and disconnection between the first opening 231 and the second opening 232.

[0107] In the embodiments of the utility model, the limiting assembly 24 (the limiting plate 241) is connected with the first valve 23, and the limiting plate 241 can abut against the elastic boss 233a of the mechanical spring-pressing switch mechanism 233.

[0108] Specifically, in the embodiments of the utility model, the limiting assembly 24 (the limiting plate 241) is connected with the first valve 23, and the limiting plate 241 can abut against the elastic boss 233a of the mechanical spring-pressing switch mechanism 233. Figure 8 ​​​As shown, in the case of a normal working condition, the elastic boss 233a of the elastic mechanical switch mechanism 233 is pressed by the limiting assembly 24 and shrinks into the elastic mechanical switch mechanism 233, the elastic mechanical switch mechanism 233 is opened, the first opening 231 and the second opening 232 are in communication, the contraction control valve port N is in communication with the gas source 300, the gas in the gas source 300 enters the pneumatic control valve 42 through the gas inlet A of the pneumatic control valve 42, the pneumatic control valve 42 inputs the gas from the first exhaust port L to the first gas inlet P of the cylinder 41, and the gas pushes the cylinder 41 to shrink after entering the cylinder 41. The cylinder 41 shrinks, pulls the lifting mechanism 1 to rise, and the lifting mechanism 1 is linked with the limiting device 2 to descend in the case of rising, and the lifting mechanism 1 and the limiting device 2 gradually approach each other.

[0109] Referring to Figure 9 As shown, in the case of rotating to the first limiting angle S, the elastic boss 233a of the elastic mechanical switch mechanism 233 extends out of the elastic mechanical switch mechanism 233, the elastic mechanical switch mechanism 233 is closed, the first opening 231 and the second opening 232 are disconnected, the contraction control valve port N is disconnected with the gas source 300, the first exhaust port L is disconnected with the first gas inlet P, and the cylinder 41 stops the contraction movement, and the movement of the limiting device 2 and the lifting mechanism 1 is stopped, that is, the tire reaches the limiting position.

[0110] In some embodiments of the utility model, optionally, referring to Figure 1 With Figure 10 As shown, the tire lifting device further comprises:

[0111] The manual control valve 5 is arranged between the first valve 23 and the gas source 300, and is used for controlling the communication or disconnection between the first valve 23 and the gas source 300;

[0112] The manual control valve 5 is also in communication with the elongation control valve port M of the pneumatic control valve 42, and is used for controlling the communication or disconnection between the elongation control valve port M and the gas source 300; in the case that the elongation control valve port M is in communication with the gas source 300, the pneumatic control valve 42 controls the cylinder 41 to elongate;

[0113] In the case that the manual control valve 5 controls the first valve 23 to be in communication with the gas source 300, the elongation control valve port M is disconnected with the gas source 300;

[0114] In the case that the manual control valve 5 controls the elongation control valve port M to be in communication with the gas source 300, the first valve 23 is disconnected with the gas source 300.

[0115] Referring to Figure 11aAs shown, when the manual control valve 5 controls the first valve 23 to connect with the air source 300, under normal operating conditions, the spring-loaded mechanical switch mechanism 233 controls the first opening 231 and the second opening 232 to conduct, and the contraction control valve port N is connected to the air source 300. The gas from the air source 300 enters the pneumatic control valve 42 through the air inlet A. The pneumatic control valve 42 inputs gas from the first exhaust port L to the first air inlet P of the cylinder 41. After the gas enters the cylinder 41, it pushes the cylinder 41 to contract. The contraction of the cylinder 41 pulls the lifting mechanism 1 to rise. When the lifting mechanism 1 rises, the linkage limit device 2 descends, and the lifting mechanism 1 and the limit device 2 gradually move closer together. It should be noted that when the manual control valve 5 controls the first valve 23 to connect with the air source 300, that is, the gas from the air source 300 flows through the air inlet A and the exhaust port E of the manual control valve 5, and then enters the first valve 23 through the opening F of the first valve 23. The spring-loaded mechanical switch mechanism 233 controls the first opening 231 and the second opening 232 to be connected, that is, controls the opening F and the opening G of the first valve 23 to be connected.

[0116] See Figure 11b As shown, when the manual control valve 5 controls the first valve 23 to connect with the air source 300, when the limiting component 24 rotates to the first limiting angle S, the spring-loaded mechanical switch mechanism 233 controls the first opening 231 to disconnect from the second opening 232, causing the contraction control valve port N to disconnect from the air source 300, the first exhaust port L to disconnect from the first air inlet port P, the cylinder 41 to stop contraction, and the limiting device 2 and the lifting mechanism 1 to remain relatively stationary, i.e., the limit is reached. It should be noted that, see Figure 11b As shown, when the manual control valve 5 controls the first valve 23 to be connected to the air source 300, that is, the gas from the air source 300 flows through the air inlet A and the air outlet E of the manual control valve 5, and then enters the first valve 23 through the opening F. The spring-loaded mechanical switch mechanism 233 controls the first opening 231 to disconnect from the second opening 232, that is, controls the opening F and opening G of the first valve 23 to disconnect.

[0117] See Figure 11c As shown, when the limiting component 24 rotates to the first limiting angle S, or when it is necessary to increase the distance between the lifting mechanism 1 and the limiting device 2 to load the tire, the user can operate the manual control valve 5 to connect the extension control valve port M to the air source 300. The gas from the air source 300 can flow through the air inlet A and the second exhaust port K of the pneumatic control valve 42, and then enter the cylinder 41 from the second air inlet O, pushing the cylinder 41 to extend. It should be noted that operating the manual control valve 5 to connect the extension control valve port M to the air source 300 means that the gas from the air source 300 flows through the air inlet A and the exhaust port D of the manual control valve 5, and then flows into the extension control valve port M.Figures 11a to 11c In the middle, the opening B of the manual control valve 5 is the exhaust end, and is communicated with the external atmosphere.

[0118] In some optional embodiments, the manual control valve 5 has a dialing rod capable of being dialled up and down, when the user dials the dialing rod upwards, the first valve 23 is controlled to be communicated with the gas source 300, and when the user dials the dialing rod downwards, the elongated control valve port M is controlled to be communicated with the gas source 300.

[0119] In the embodiment of the utility model, the ventilation path is designed, the efficient and accurate control of the cylinder movement can be realized, the problem of great arrangement difficulty caused by the electronic device control and the problem of poor reliability caused by the electronic device control are avoided, and the tire lifting device has high adaptability and high reliability.

[0120] In some embodiments of the utility model, optionally, referring to Figure 1 and Figure 6 , the lifting mechanism 1 comprises:

[0121] The second guide rail 11 is arranged on the stand 200 and extends in the up-down direction.

[0122] The support seat 12 is connected with the power output end of the power device 4 and can slide along the second guide rail 11.

[0123] The support plate 13 is connected with the support seat 12 and is used for loading the tire.

[0124] In some embodiments of the utility model, optionally, the length extension directions of the first guide rail 21 and the second guide rail 11 are parallel to each other.

[0125] It should be noted that the second guide rail 11 is used for limiting the displacement of the support seat 12 in the up-down direction, avoiding the movement of the support seat 12 interfering with other components, and ensuring the high transmission efficiency of the support seat 12 and the high reliability of the tire lifting device.

[0126] In the embodiment of the utility model, the lifting mechanism 1 comprises the second guide rail 11, the support seat 12 and the support plate 13, which is beneficial to ensure the high reliability of the tire lifting device.

[0127] In some embodiments of the utility model, optionally, referring to Figure 1 and Figure 12 , the support plate 13 comprises the first support plate 131 and the second support plate 132.

[0128] The first support plate 131 is fixedly connected with the support seat 12.

[0129] The second support plate 132 is rotatably connected to the outer side edge of the first support plate 131 away from the pedestal 200, and has an unfolded state and a folded state relative to the first support plate 131; in the unfolded state, the plate surface of the second support plate 132 extends downwardly and obliquely away from the outer side of the pedestal 200, and in the folded state, the second support plate 132 is folded together with the first support plate 131.

[0130] In actual application, during loading the tire onto the support plate 13, the user can switch the second support plate 132 to the unfolded state, and then the user can push the tire to roll along the obliquely extended plate surface of the second support plate 132 onto the first support plate 131. After the tire lifting device is used, the user can switch the second support plate 132 to the folded state, so as to reduce the volume occupied by the tire lifting device.

[0131] Optionally, in some embodiments of the utility model, referring to Figure 1 As shown in Figure 13 The base 100 comprises:

[0132] The rack 101 is provided with the third guide rail 102 extending in the left-right direction;

[0133] The moving seat 103 is arranged on the rack 101 and can slide along the third guide rail 102, and the pedestal 200 is arranged on the moving seat 103.

[0134] In the embodiment of the utility model, the above-mentioned base 100 comprises: the rack 101, the third guide rail 102 extending in the left-right direction is arranged on the rack 101; the moving seat 103 is arranged on the rack 101 and can slide along the third guide rail 102, and the pedestal 200 is arranged on the moving seat 103, so that the displacement of the loaded tire in the left-right direction can be realized, and the flexibility of the dismounting and mounting operation of the loaded tire is improved.

[0135] Optionally, in some embodiments of the utility model, referring to Figure 1 As shown in Figure 13 The third guide rail 102 comprises at least two tracks 102a parallel to each other. In some optional embodiments, the track 102a is a linear track.

[0136] The utility model discloses an embodiment further provides a tire maintenance equipment, including any one tire lifting device in the utility model embodiment.

[0137] Optionally, in some embodiments of the utility model, referring to Figures 14 to 17 The tire maintenance equipment can further comprise a tire balancing device 400.

[0138] Specifically, referring to Figure 14As shown, the user operates the tire lifting device to lift the tire to the limiting position, i.e. the limiting device 2 is rotated to the first limiting angle S, at this time, the tire is centered with the tire loading shaft of the tire balancing device 400; and the tire lifting device pushes the tire into the tire loading shaft of the tire balancing device 400 by moving the seat 103 to slide along the third guide rail 102.

[0139] After that, referring to Figure 15 As shown, the user operates the tire lifting device to move away from the tire balancing device 400 by moving the seat 103 to slide along the third guide rail 102, so as to avoid interfering with the user's balancing calibration operation on the tire by the tire balancing device 400.

[0140] Referring to Figure 16 As shown, after the balancing calibration operation is completed, the user operates the tire lifting device to move close to the tire balancing device 400 by moving the seat 103 to slide along the third guide rail 102, so that the tire is located between the lifting mechanism 1 and the limiting device 2. Then, the user operates the lifting mechanism 1 to rise, and the limiting device 2 is lowered in linkage, until the tire pushes the limiting device 2 to rotate to the first limiting angle S, and the lifting mechanism 1 and the limiting device 2 stop moving, at this time, the tire lifting device completes the tire loading.

[0141] Referring to Figure 17 As shown, the user operates the tire lifting device to push the tire, which has completed the balancing calibration operation, away from the tire balancing device 400.

[0142] It should be noted that in this document, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that processes, methods, articles or devices including a series of elements not only include those elements, but also include other elements not explicitly listed, or include elements inherent to such processes, methods, articles or devices. Without more limitations, the element defined by the statement "including a…" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0143] The embodiments of the utility model are described above in combination with the drawings, but the utility model is not limited to the specific implementation manners described above, the specific implementation manners described above are only illustrative, but not restrictive, and the person skilled in the art can make many forms under the inspiration of the utility model without departing from the purpose of the utility model and the scope protected by the claims, and all forms belong to the protection of the utility model.

Claims

1. A tire lifting device, characterized by, The tire lifting device comprises: a base comprising a pedestal and a stand arranged on the pedestal; a lifting mechanism arranged on the stand and used for lifting or lowering a tire along a length direction of the stand; a limiting device arranged on the stand and located above the lifting mechanism, which can be lifted or lowered along the length direction of the stand and can rotate relative to the stand; the limiting device and the lifting mechanism are arranged in linkage through a linkage mechanism, the lifting mechanism links the limiting device to be lowered when being lifted, and the lifting mechanism links the limiting device to be lifted when being lowered; a power device, a power output end of which is connected with the lifting mechanism, and the power device is connected with a power source through the limiting device; the limiting device has a first limiting angle, and the limiting device cuts off the connection between the power device and the power source when being rotated to the first limiting angle.

2. The tire lifting device according to claim 1, wherein the linkage mechanism comprises: two pulleys, which are arranged on the stand in an upper and lower spaced manner and have parallel axes; a flexible cable, which is sleeved between the two pulleys and has two opposite side segments located between the two pulleys, one side segment being connected with the lifting mechanism and the other side segment being connected with the limiting device.

3. The tire lifting device according to claim 1, wherein the power device comprises a cylinder and a pneumatic control valve used for controlling the cylinder to be extended or retracted, and the power source is a gas source; the limiting device comprises: a first guide rail arranged on the stand and extending in an up-down direction; a limiting seat slidingly arranged on the first guide rail along a length direction of the first guide rail; a first valve arranged on the limiting seat, a contraction control port of the pneumatic control valve being communicated with the gas source through the first valve, the pneumatic control valve controlling the cylinder to be retracted when the contraction control port is communicated with the gas source, and the first valve being used for controlling the communication or disconnection between the contraction control port and the gas source; a limiting assembly rotatably arranged on the limiting seat and connected with the first valve, the limiting assembly triggering the first valve to disconnect the contraction control port from the gas source when being rotated to the first limiting angle.

4. The tire lifting device according to claim 3, wherein the first valve comprises a valve body, a first opening and a second opening arranged on the valve body, and a spring-loaded mechanical switch mechanism arranged on the valve body; the first opening and the second opening are communicated through a valve cavity of the valve body, the first opening is communicated with the gas source, the second opening is communicated with the contraction control port, and the spring-loaded mechanical switch mechanism is used for controlling the communication or disconnection between the first opening and the second opening; the limiting assembly is connected with the spring-loaded mechanical switch mechanism, and the limiting assembly triggers the spring-loaded mechanical switch mechanism to disconnect the first opening from the second opening when being rotated to the first limiting angle.

5. The tire lift device of claim 3, wherein, Further comprising: A manual control valve is arranged between the first valve and the air source to control the connection or disconnection between the first valve and the air source. The manual control valve is also connected to the extension control port of the pneumatic control valve to control the connection or disconnection between the extension control port and the air source. When the extension control port is connected to the air source, the pneumatic control valve controls the extension of the air cylinder. When the manual control valve controls the connection between the first valve and the air source, the extension control port is disconnected from the air source. When the manual control valve controls the connection between the extension control port and the air source, the first valve is disconnected from the air source.

6. The tire lifting device according to claim 1, wherein the lifting mechanism comprises: a second guide rail arranged on the stand and extending in the up-down direction; a support seat connected to the power output end of the power device and capable of sliding along the second guide rail; a support plate connected to the support seat and used for loading the tire.

7. The tire lifting device according to claim 6, wherein the support plate comprises a first support plate and a second support plate. The first support plate is fixedly connected to the support seat. The second support plate is rotatably connected to the outer side edge of the first support plate away from the stand and has an unfolded state and a folded state relative to the first support plate. In the unfolded state, the plate surface of the second support plate extends downwardly and obliquely away from the outer side of the stand. In the folded state, the second support plate is folded together with the first support plate.

8. The tire lifting device according to claim 1, wherein the base comprises: a frame, the frame being provided with a third guide rail extending in the left-right direction; a moving seat arranged on the frame and capable of sliding along the third guide rail, and the stand being arranged on the moving seat.

9. The tire lifting device according to claim 8, wherein the third guide rail comprises at least two rails parallel to each other. The tire lifting device according to any one of claims 1 to 9. ​ ​ ​ 10. A tire servicing apparatus characterized by, ​

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