High-stability solid tire for overhead working truck and overhead working truck

Abstract

The utility model discloses a high-stability solid tire for an overhead working truck and the overhead working truck, and the high-stability solid tire for the overhead working truck comprises a tire body, an outer ring of the rim comprises two side walls and a bottom wall, the two side walls are oppositely arranged in the axial direction, the bottom wall is connected to the two side walls, and the two side walls and the bottom wall form a mounting groove; the elastic body is arranged in the mounting groove; wherein the tire body is mounted in the mounting groove, and the elastic body is located between the bottom wall and the tire body. A mounting groove is formed in the outer ring of the rim, the elastic body is arranged in the mounting groove, the tire body is mounted in the mounting groove, the elastic body is located between the bottom wall and the tire body, and the elastic body can provide buffering and damping for the tire body, so that the solid tire has good damping and buffering performance; therefore, the running stability of the overhead working truck is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tires, in particular to a high-stability solid tire for an aerial work vehicle and the aerial work vehicle. Background Art

[0002] In the related art, aerial work vehicles usually refer to vehicles that can assist workers in working at heights. Aerial work vehicles generally use solid tires, which are a type of tire corresponding to pneumatic tires (hollow tires), and their carcass is a solid structure.

[0003] However, the existing solid tires have poor shock absorption effect, and therefore poor ability to adapt to road conditions, resulting in poor stability when the aerial work vehicle travels at a high speed. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a high-stability solid tire for an aerial work vehicle, which has good shock absorption and buffering performance, thereby improving the driving stability of the aerial work vehicle.

[0005] The utility model also provides an aerial work vehicle with the high-stability solid tire for the aerial work vehicle.

[0006] According to the first embodiment of the utility model, a high-stability solid tire for an aerial work vehicle comprises:

[0007] Tire body;

[0008] A rim, wherein the outer ring of the rim comprises two side walls arranged opposite to each other in the axial direction, and a bottom wall connected to the two side walls, wherein the two side walls and the bottom wall form a mounting groove;

[0009] An elastic body, arranged in the installation groove;

[0010] Wherein, the tire body is installed in the installation groove, and the elastic body is located between the bottom wall and the tire body.

[0011] According to the embodiments of the utility model, at least the following beneficial effects are achieved: an outer ring of the rim is provided with an installation groove, an elastomer is provided in the installation groove, a tire body is installed in the installation groove, and the elastomer is located between the bottom wall and the tire body, and the elastomer can provide buffering and shock absorption for the tire body, so that the solid tire of the present application has better shock absorption and buffering performance, which is beneficial to improving the driving stability of the aerial work vehicle.

[0012] According to some embodiments of the present invention, the elastomer is a first thermoplastic elastomer, and the first thermoplastic elastomer is disposed on the bottom wall.

[0013] According to some embodiments of the present invention, a plurality of the first thermoplastic elastomers are provided, and the plurality of the first thermoplastic elastomers are spaced apart along the circumference of the bottom wall.

[0014] According to some embodiments of the present invention, the first thermoplastic elastomer is an annular structure, and the first thermoplastic elastomer is sleeved on the rim.

[0015] According to some embodiments of the present utility model, a tread of the tire body facing away from the rim is further provided with a second thermoplastic elastomer.

[0016] According to some embodiments of the present invention, the second thermoplastic elastomer is arranged along the circumference of the tire body.

[0017] According to some embodiments of the present invention, a heat dissipation groove is provided on the outer side of the side wall.

[0018] According to some embodiments of the present utility model, the heat dissipation groove is an arc-shaped groove arranged along the circumference of the rim.

[0019] According to some embodiments of the present invention, a plurality of heat dissipation columns are arranged at intervals in the arc-shaped groove.

[0020] The aerial work vehicle according to the second embodiment of the utility model includes the high-stability solid tire for the aerial work vehicle of the above embodiment.

[0021] According to the embodiments of the utility model, at least the following beneficial effects are achieved: the solid tire of the present application has good buffering and shock absorbing performance, so that the aerial work vehicle has higher stability during driving.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0024] Figure 1 This is a schematic structural diagram of an elastic body installed on a wheel rim according to an embodiment of the utility model.

[0025] Figure 2 This is a schematic diagram of the structural decomposition of the elastic body and the rim of an embodiment of the utility model.

[0026] Figure 3 The present invention is a schematic structural diagram of a high-stability solid tire for an aerial work vehicle according to an embodiment of the present invention.

[0027] Figure 4This is a partial cross-sectional view of a tire body according to an embodiment of the utility model.

[0028] Reference numerals:

[0029] 100, tire body; 110, second thermoplastic elastomer; 200, rim; 210, side wall; 220, bottom wall; 240, heat dissipation groove; 250, heat dissipation column; 300, elastic member; 400, wheel hub. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0031] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0033] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0034] The high-stability solid tire for aerial work vehicles of the first aspect of the utility model is as follows Figures 1 to 3 As shown, the high-stability solid tire for aerial work vehicles includes a tire body 100, a rim 200 and an elastic member 300. The outer ring of the rim 200 includes two side walls 210 arranged opposite to each other in the axial direction, and a bottom wall 220 connected to the two side walls 210, and the two side walls 210 and the bottom wall 220 form a mounting groove; the elastic member 300 is arranged in the mounting groove. Among them, the tire body 100 is installed in the mounting groove, and the elastic member 300 is located between the bottom wall 220 and the tire body 100.

[0035] It should be noted that if Figures 1 to 3 As shown, the outer ring of the rim 200 is provided with a mounting groove, the elastic member 300 is arranged in the mounting groove, the tire body 100 is installed in the mounting groove, and the elastic member 300 is located between the bottom wall 220 and the tire body 100. The elastic member 300 can provide buffering and shock absorption for the tire body 100, so that the solid tire of the present application has better shock absorption and buffering performance, which is beneficial to improving the driving stability of the aerial work vehicle.

[0036] It should also be noted that if Figure 3 As shown, the tire body 100 is installed in the installation groove, that is, the tire body 100 is sleeved on the outer ring of the rim 200, and the tire body 100 is partially arranged in the installation groove. The bottom wall 220 of the installation groove can support the tire body 100, and the side wall 210 of the installation groove can limit the tire body 100. After the tire body 100 is assembled on the rim 200, the elastic member 300 is located between the bottom wall 220 and the tire body 100, so as to play a buffering and shock-absorbing role for the tire body 100.

[0037] It should also be noted that if Figure 2 As shown, the outer ring of the rim 200 is provided with protrusions on opposite sides along the axial direction, and the protrusions are arranged radially to form side walls 210. A bottom wall 220 is connected between the two side walls 210. The two side walls 210 and the bottom wall 220 form a mounting groove.

[0038] It should also be noted that if Figures 1 to 3 As shown, the solid tire of the present application further comprises a wheel hub 400, which is suitable for connection with the axle. The wheel hub 400 can be integrally formed with the rim 200 to improve the strength of the wheel hub 400 and the rim 200.

[0039] like Figure 1 and Figure 2 As shown, in some embodiments of the present invention, the elastic member 300 is a first thermoplastic elastomer, and the first thermoplastic elastomer is disposed on the bottom wall 220 .

[0040] It should be noted that the elastic member 300 may be a first thermoplastic elastomer (TPE), and the first thermoplastic elastomer is closely attached to the bottom wall 220. The tire body 100 is assembled in the mounting groove of the rim 200, and the tire body 100 can extrude the first thermoplastic elastomer.

[0041] The first thermoplastic elastomer includes a hard phase with high wear resistance and strength and a soft phase with impact absorption. There are multiple soft phases, which can be distributed in the hard phase and connected to the hard phase. The soft phase can be formed by elastic rubber, which can be a maleic anhydride grafted elastomer, which can make the soft phase have the physical properties of an elastomer and the function of connecting with the hard phase. The hard phase interacts with the soft phase through physical cross-linking, so that the first thermoplastic elastomer has good elasticity.

[0042] It should also be noted that the first thermoplastic elastomer can be extruded by an extruder through a die to extrude the molten elastomer material and tightly coat the surface of the bottom wall 220 , thereby forming a thermoplastic elastomer layer on the surface of the bottom wall 220 .

[0043] It should also be noted that the thickness of the first thermoplastic elastomer can be 1 cm, 2 cm, 3 cm or 4 cm, etc., which can be determined by those skilled in the art according to actual conditions and is not specifically limited here.

[0044] In some embodiments of the present invention, a plurality of first thermoplastic elastomers are provided, and the plurality of first thermoplastic elastomers are spaced apart along the circumference of the bottom wall 220 .

[0045] It should be noted that there are multiple first thermoplastic elastomers, that is, the first thermoplastic elastomer has multiple sections, the multiple sections of the first thermoplastic elastomer are closely attached to the bottom wall 220, and the multiple sections of the first thermoplastic elastomer are arranged at intervals along the circumference of the bottom wall 220. The multiple first thermoplastic elastomers are arranged at intervals, which can play a better buffering and shock absorbing role, and can save materials at the same time.

[0046] In some embodiments of the present invention, the first thermoplastic elastomer is an annular structure, and the first thermoplastic elastomer is sleeved on the rim 200 .

[0047] It should be noted that the first thermoplastic elastomer may also be a complete annular structure. The annular first thermoplastic elastomer is sleeved on the rim 200 , and the inner ring of the first thermoplastic elastomer can fit tightly with the surface of the bottom wall 220 .

[0048] Of course, the structure of the first thermoplastic elastic material can be determined by those skilled in the art according to actual conditions, and is not specifically limited here.

[0049] It should also be noted that the elastic member 300 can also be other types of structures. For example, the elastic member 300 can be a structure in which a spring cooperates with a support plate. That is, the support plate is an arc-shaped structure that cooperates with the inner ring of the tire body 100, and the spring is arranged between the support plate and the bottom wall 220, one end of the spring abuts against the bottom wall 220, and the other end abuts against one side of the support plate. When the tire body 100 is assembled, the tire body 100 can abut against the end of the support plate away from the spring, the support plate can support the tire body 100, and the spring can play a role in buffering and shock absorption. Among them, a plurality of elastic members 300 can be provided, and the plurality of elastic members 300 are evenly arranged along the circumference of the rim 200 to facilitate the assembly of the elastic member 300 on the rim 200.

[0050] like Figure 4 As shown, in some embodiments of the present invention, a second thermoplastic elastomer 110 is further provided on the tread of the tire body 100 facing away from the rim 200 .

[0051] It should be noted that the tread of the tire body 100 away from the rim 200 is provided with a second thermoplastic elastomer 110, which can further provide a shock absorbing and buffering effect on the tire body 100. In addition, the second thermoplastic elastomer 110 is provided on the tread and can contact the ground. The second thermoplastic elastomer 110 has good wear resistance, thereby improving the service life of the tire body 100.

[0052] It should also be noted that the second thermoplastic elastomer 110 includes a hard phase with high wear resistance and strength and a soft phase with impact absorption. There are multiple soft phases, and the multiple soft phases can be distributed in the hard phase and connected to the hard phase. The soft phase can be formed by elastic rubber, and the elastic rubber can be a maleic anhydride grafted elastic member 300, which can make the soft phase have the physical properties of the elastic member 300 and the function of connecting with the hard phase. The hard phase interacts with the soft phase through physical cross-linking, so that the first thermoplastic elastomer has good elasticity.

[0053] The second thermoplastic elastomer 110 can be integrally formed with the tire body 100 . The second thermoplastic elastomer 110 can be formed into the tread of the tire body 100 by hot pressing, injection molding or profile extrusion molding, which is convenient for production and manufacturing.

[0054] like Figure 4 As shown, in some embodiments of the present invention, the second thermoplastic elastomer 110 is disposed along the circumference of the tire body 100 .

[0055] It should be noted that if Figure 4 As shown, the second thermoplastic elastomer 110 is an annular structure, and the second thermoplastic elastomer 110 is disposed along the circumference of the tire body 100 to constitute a tread of the tire body 100 .

[0056] It should also be noted that if Figure 4 As shown, the second thermoplastic elastomer 110 may be provided in plurality, and the plurality of second thermoplastic elastomers 110 are spaced apart on the tread of the tire body 100 along the axial direction of the tire body 100. The plurality of second thermoplastic elastomers 110 are spaced apart, that is, gaps are formed between the second thermoplastic elastomers 110, and the plurality of second thermoplastic elastomers 110 can form an anti-skid tread pattern of the tire body 100 to improve the anti-skid performance of the tire body 100.

[0057] The second thermoplastic elastomer 110 may be provided with five, six, seven or eight strips, etc., and those skilled in the art may determine it according to the actual situation, and no specific limitation is made here.

[0058] It should also be noted that the depth of the second thermoplastic elastomer 110 can be 17 mm to 20 mm. For example, the depth of the second thermoplastic elastomer 110 can be 17 mm, 18 mm, 19 mm or 20 mm, etc., which can be determined by those skilled in the art according to actual conditions and is not specifically limited here.

[0059] like Figure 2 As shown, in some embodiments of the present invention, a heat dissipation slot 240 is disposed on the outer side of the side wall 210 .

[0060] It should be noted that if Figure 2 As shown, the outer side of the side wall 210 of the rim 200 is provided with a heat dissipation groove 240, which can dissipate heat for the rim 200. Among them, one of the side walls 210 of the rim 200 can be provided with a heat dissipation groove 240, or both side walls 210 are provided with a heat dissipation groove 240. Those skilled in the art can determine according to actual conditions, and no specific limitation is made here.

[0061] like Figure 2 As shown, in some embodiments of the present invention, the heat dissipation groove 240 is an arc-shaped groove arranged along the circumference of the rim 200 .

[0062] It should be noted that if Figure 2 As shown, the heat dissipation groove 240 may be an arc-shaped groove, and the length direction of the arc-shaped groove may be arranged along the circumference of the rim 200. By providing the arc-shaped groove, the contact area between the rim 200 and the air can be increased to improve the heat dissipation effect.

[0063] It should also be noted that the heat dissipation slots 240 may also be circular slots, diamond slots, rectangular slots, etc., or may also be other irregular shapes. Those skilled in the art may determine the shape according to actual conditions, and no specific limitation is made here.

[0064] It should also be noted that a plurality of heat dissipation grooves 240 may be provided, and the plurality of heat dissipation grooves 240 may be provided at intervals along the circumference of the rim 200. The plurality of heat dissipation grooves 240 may be provided to further improve the heat dissipation effect of the rim 200. For example, the heat dissipation grooves 240 may be provided at intervals of two, three, four or five, etc., and those skilled in the art may determine the number according to actual conditions, and no specific limitation is made herein.

[0065] like Figure 2 As shown, in some embodiments of the present invention, a plurality of heat dissipation columns 250 are arranged at intervals in the arc-shaped groove.

[0066] It should be noted that if Figure 2 As shown, the heat dissipation groove 240 is an arc groove, and a plurality of heat dissipation columns 250 are arranged in the arc groove. The heat dissipation columns 250 are connected to the rim 200 by welding or screwing. The heat dissipation groove 240 can assist in heat dissipation to further improve the heat dissipation effect. The heat dissipation columns 250 can be metal columns with good thermal conductivity, such as copper columns.

[0067] The heat dissipation column 250 may be in a cylindrical or prismatic structure, and those skilled in the art may determine the structure based on actual conditions, and no specific limitation is made herein.

[0068] It should also be noted that the depth of the heat dissipation groove 240 can be 3 mm, 4 mm or 5 mm, etc., or be set to a greater depth. Those skilled in the art can determine it according to the actual size of the actual rim 200, and no specific limitation is made here.

[0069] The aerial work vehicle of the second aspect of the utility model embodiment comprises the high-stability solid tire for aerial work vehicles of the above embodiment. The high-stability solid tire for aerial work vehicles of the present application has good buffering and shock absorption performance, so that the aerial work vehicle has higher stability when driving.

[0070] It should be noted that the high-stability solid tire for aerial work vehicles includes a tire body 100, a rim 200 and an elastic member 300. The outer ring of the rim 200 is provided with a mounting groove, the elastic member 300 is arranged in the mounting groove, the tire body 100 is installed in the mounting groove, and the elastic member 300 is located between the bottom wall 220 and the tire body 100. The elastic member 300 can provide buffering and shock absorption for the tire body 100, so that the solid tire of the present application has good shock absorption and buffering performance, which is conducive to improving the driving stability of the aerial work vehicle.

[0071] Of course, the high-stability solid tire for aerial work vehicles of the present application can also be applied to other types of vehicles, such as forklifts or port equipment vehicles, etc. Those skilled in the art can determine it according to actual conditions, and no specific limitation is made here.

[0072] The above embodiments focus on the differences between the various embodiments. As long as the different optimization features between the various embodiments are not contradictory, they can be combined to form a better embodiment. Considering the simplicity of the text, they will not be repeated here.

[0073] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A high-stability solid tire for aerial work vehicles, characterized in that: include: A tire body (100); A rim (200), wherein the outer ring of the rim (200) comprises two side walls (210) arranged opposite to each other in the axial direction, and a bottom wall (220) connected to the two side walls (210), and the two side walls (210) and the bottom wall (220) form a mounting groove; An elastic member (300) is arranged in the installation groove; The tire body (100) is installed in the installation groove, and the elastic member (300) is located between the bottom wall (220) and the tire body (100).

2. The high-stability solid tire for aerial work vehicles according to claim 1, characterized in that: The elastic member (300) is a first thermoplastic elastomer, and the first thermoplastic elastomer is arranged on the bottom wall (220).

3. The high-stability solid tire for aerial work vehicles according to claim 2, characterized in that: A plurality of the first thermoplastic elastomers are provided, and the plurality of the first thermoplastic elastomers are arranged at intervals along the circumferential direction of the bottom wall (220).

4. The high-stability solid tire for aerial work vehicles according to claim 2, characterized in that: The first thermoplastic elastomer is an annular structure, and the first thermoplastic elastomer is sleeved on the rim (200).

5. The high-stability solid tire for aerial work vehicles according to claim 1, characterized in that: A second thermoplastic elastomer (110) is also provided on the tread of the tire body (100) facing away from the rim (200).

6. The high-stability solid tire for aerial work vehicles according to claim 5, characterized in that: The second thermoplastic elastomer (110) is arranged along the circumferential direction of the tire body (100).

7. The high-stability solid tire for aerial work vehicles according to claim 1, characterized in that: A heat dissipation groove (240) is provided on the outer side of the side wall (210).

8. The high-stability solid tire for aerial work vehicles according to claim 7, characterized in that: The heat dissipation groove (240) is an arc-shaped groove arranged along the circumference of the rim (200).

9. The high-stability solid tire for aerial work vehicles according to claim 8, characterized in that: A plurality of heat dissipation columns (250) are arranged at intervals in the arc-shaped groove.

10. An aerial work vehicle, characterized in that: It comprises a high-stability solid tire for an aerial work vehicle as described in any one of claims 1 to 9.

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