Driving speed measuring device for roller contact type road roller

Abstract

The utility model relates to a roller contact type road roller running speed measuring device which comprises a road roller steel wheel, an assembly type support is arranged on the road roller steel wheel, one end of the assembly type support is installed on the road roller steel wheel, and a rolling measurer is installed at the other end of the assembly type support. One end of the assembly type support is a clamping support used for fixing the rolling measurer, and the other end of the assembly type support is fixed to the upper portion of a road roller steel wheel (on a road roller body) in a cementing, welding, bolting and other modes. The device is self-contained and is directly mounted outside the road roller during use, so that the rolling measurer is in contact with steel wheels of the road roller without specially customizing toothed rings and strip-shaped belt teeth, the device is suitable for steel wheel road rollers and rubber wheel road rollers of various models and sizes, the application range is wider, the road rollers do not need to be disassembled and assembled, and the original functions of the road rollers are not influenced; the device can be directly used for measuring the running speed of a road roller (including a steel wheel type road roller and a tire type road roller) which is delivered or not delivered, and is high in installation flexibility and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of driving speed measurement, in particular to a driving speed measurement device for a roller contact type road roller. Background Technique

[0002] Road rollers belong to the category of road equipment in construction machinery. Road rollers use the gravity and vibration of the machine itself to cause permanent deformation and compaction of the compacted layer. With the development of engineering technology, people hope to achieve better compaction effects by intelligently regulating the parameters of road rollers. The intelligent compaction technology has emerged. The driving speed of road rollers is an important parameter that needs to be measured in intelligent compaction technology. It is not only to achieve precise control of the driving speed of road rollers, but also an important state parameter for calculating the compaction degree index.

[0003] The invention with the application publication number of CN116973589A discloses an external-mounted steel wheel angular velocity measurement device for a steel wheel road roller and its measurement method, including a steel wheel. A metal ring is fixedly connected to the inner wall of the steel wheel. A plurality of sheet-like protrusions pointing to the wheel axle of the steel wheel are fixedly connected to one side surface of the metal ring along the circumferential direction of the metal ring. The wheel axle of the steel wheel is rotatably connected with an L-shaped mounting bracket. A detection component is installed at one end of the L-shaped mounting bracket far away from the wheel axle of the steel wheel. The measurement device of the invention is installed on the steel wheel by an external mounting method, so that the road roller does not need to be disassembled during installation, which is convenient for installation. And the size of the measurement device can be customized according to the size of different steel wheels, improving the practicability. At the same time, during the detection process, the detection component is used to detect the sheet-like protrusions and convert to obtain the angular velocity of the steel wheel. Compared with the existing indirect measurement method based on position information, it has better accuracy and is not restricted by the satellite signal coverage area, ensuring the accuracy of angular velocity measurement.

[0004] However, the above-mentioned existing technology is only applicable to the steel wheel structure with concave features, and it needs to be manufactured in advance according to the selected size of the steel wheel of the road roller. The on-site adjustment range is small, and the installation flexibility is insufficient. Content of the Utility Model

[0005] The purpose of the utility model is to provide a driving speed measurement device for a roller contact type road roller, so as to solve the technical problems in the above-mentioned background technique that the above-mentioned existing technology is only applicable to the steel wheel structure with concave features, and it needs to be manufactured in advance according to the selected size of the steel wheel of the road roller. The on-site adjustment range is small, and the installation flexibility is insufficient.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A traveling speed measuring device for a roller contact type road roller, comprising a steel wheel of the road roller, an assembled bracket is provided on the steel wheel of the road roller, one end of the assembled bracket is installed on the steel wheel of the road roller, and a rolling measurer is installed at the other end of the assembled bracket;

[0008] The assembled bracket includes an L-shaped turning piece, a support bracket and an assembly rod. There are two L-shaped turning pieces, and the two L-shaped turning pieces are symmetrically installed on the steel wheel of the road roller. An assembly rod is hinged between the two L-shaped turning pieces, and the other end of the assembly rod is connected to the support bracket, and the rolling measurer is installed on the support bracket.

[0009] As a preferred solution, the assembly rod includes a first assembly piece, a second assembly piece and a third assembly piece. One end of the first assembly piece is hinged to the L-shaped turning piece, the other end of the first assembly piece is hinged to the second assembly piece, and both ends of the third assembly piece are respectively connected to the first assembly piece and the second assembly piece, and the first assembly piece, the second assembly piece and the third assembly piece are connected to form a triangle, and the other end of the second assembly piece is connected to the support bracket.

[0010] As a preferred solution, a plurality of screw holes are provided on the first assembly piece, the second assembly piece and the third assembly piece, and the plurality of screw holes are equally spaced on the first assembly piece, the second assembly piece and the third assembly piece, and the first assembly piece, the second assembly piece and the third assembly piece are connected to each other through threaded parts and the screw holes.

[0011] As a preferred solution, one end of the support bracket is provided with a groove-shaped opening, the rolling measurer is installed in the groove-shaped opening, the other end of the support bracket is provided with a screw hole, and the support bracket is connected to the assembly rod through a threaded part and the screw hole.

[0012] As a preferred solution, the rolling measurer includes a rolling small wheel, the rolling small wheel is rotatably installed in the groove-shaped opening of the support bracket through a bearing rod, and a smooth cushion block is provided at the connection between the rolling small wheel and the support bracket.

[0013] It can be seen from the technical solution provided by the present utility model described above that a traveling speed measuring device for a roller contact type road roller provided by the present utility model, compared with the prior art, has the beneficial effects that:

[0014] 1. The device of the present application is self - contained and can be directly installed outside the roller during use, so that the rolling measuring device only needs to be in contact with the steel wheel of the roller. There is no need to specifically customize a toothed ring and a strip - toothed belt, which is applicable to steel - wheel rollers and rubber - wheel rollers of various models and sizes. The applicable range is wider. It does not require disassembly and assembly of the roller and does not affect the original functions of the roller. It can be directly used for measuring the traveling speed of rollers (including steel - wheel type and tire type) that have been manufactured or not yet manufactured. It has high installation flexibility and is convenient to use;

[0015] 2. The first assembly piece, the second assembly piece, and the third assembly piece can be assembled and connected by a common screw and a common nut. By selecting different hole positions on the first assembly piece, the second assembly piece, and the third assembly piece for connection, the adjustment of the use length and angle can be achieved, and the setting of multiple equidistant screw holes can achieve large - range adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the roller - contact type roller traveling speed measuring device provided by an embodiment of the present utility model;

[0017] Figure 2 It is a schematic plan view of installing the rolling measuring device of the roller - contact type roller traveling speed measuring device provided by an embodiment of the present utility model onto an assembled support;

[0018] Figure 3 It is a schematic three - dimensional view of installing the rolling measuring device of the roller - contact type roller traveling speed measuring device provided by an embodiment of the present utility model onto an assembled support;

[0019] Figure 4 It is a schematic connection structure diagram of the assembled support of the roller - contact type roller traveling speed measuring device provided by an embodiment of the present utility model;

[0020] Figure 5 It is a schematic connection diagram of the rolling measuring device and the support bracket of the roller - contact type roller traveling speed measuring device provided by an embodiment of the present utility model.

[0021] In the figure: 1. Roller steel wheel; 2. Assembled support; 21. L - shaped steering piece; 22. Support bracket; 23. Assembly rod; 231. First assembly piece; 232. Second assembly piece; 233. Third assembly piece; 24. Screw hole; 3. Rolling measuring device; 31. Rolling small wheel; 32. Bearing rod; 33. Smooth cushion block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0023] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0026] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings of the specification and the specific implementation manners.

[0027] Please refer to Figures 1 to 5 , an embodiment of the present application provides a traveling speed measuring device for a roller contact type road roller, including a road roller steel wheel 1. An assembled bracket 2 is provided on the road roller steel wheel 1. One end of the assembled bracket 2 is installed on the road roller steel wheel 1, and a rolling measuring device 3 is installed at the other end of the assembled bracket 2; the assembled bracket 2 includes an L-shaped steering piece 21, a support bracket 22 and an assembly rod 23. There are two L-shaped steering pieces 21, and the two L-shaped steering pieces 21 are symmetrically installed on the road roller steel wheel 1. An assembly rod 23 is hinged between the two L-shaped steering pieces 21. The other end of the assembly rod 23 is connected to the support bracket 22, and the rolling measuring device 3 is installed on the support bracket 22.

[0028] Working principle and effect: One end of the prefabricated support 2 is a clamping support for fixing the rolling measuring device 3, and the other end is fixed above the steel wheel 1 of the roller (on the roller body) by means of cementing, welding, bolting, etc. The device of the present application is self-contained and is directly installed outside the roller during use, so that the rolling measuring device 3 can be in contact with the steel wheel 1 of the roller. There is no need to specially customize the toothed ring and the strip with teeth. It is applicable to steel wheel rollers and rubber wheel rollers of various models and sizes, with a wider scope of application. There is no need to disassemble and assemble the roller, nor does it affect the original functions of the roller. It can be directly used for measuring the traveling speed of rollers (including steel wheel type and tire type) that have been manufactured or not yet manufactured. It has high installation flexibility and is convenient to use.

[0029] In one embodiment, as Figure 2 or Figure 3 shown, the assembly rod 23 includes a first assembly piece 231, a second assembly piece 232 and a third assembly piece 233. One end of the first assembly piece 231 is hinged to the L-shaped steering piece 21, the other end of the first assembly piece 231 is hinged to the second assembly piece 232, and both ends of the third assembly piece 233 are respectively connected to the first assembly piece 231 and the second assembly piece 232, and the first assembly piece 231, the second assembly piece 232 and the third assembly piece 233 are connected to form a triangle. The other end of the second assembly piece 232 is connected to the support bracket 22. During use, the installation angle of the L-shaped steering piece 21 can be adjusted according to the installation conditions of the on-site roller. After one side of the L-shaped steering piece 21 fits the roller body, the L-shaped steering piece can be fixed to the roller body by means of strong glue bonding, welding or bolt connection. Then, one end of the first assembly piece 231 is connected through the screw holes 24 provided on both sides of the L-shaped steering piece 21. Next, the second assembly piece 232 is hinged to the other end of the first assembly piece 231. After adjusting the angle at the connection between the first assembly piece 231 and the second assembly piece 232 according to the actual installation requirements of the roller measuring device, both ends of the third assembly piece 233 are respectively connected to the first assembly piece 231 and the second assembly piece 232 to form a triangle, so that the connection angle between the first assembly piece 231 and the second assembly piece 232 is fixed. Finally, the support bracket 22 is installed at the other end of the second assembly piece 232.

[0030] Furthermore, the L-shaped steering piece 21 can be made of stainless steel, the assembly rod 23 is a strip-shaped sheet structure that is not easily bent, and the assembly rod 23 can be made of stainless steel.

[0031] In one embodiment, as Figure 3As shown, a plurality of screw holes 24 are provided on the first assembly piece 231, the second assembly piece 232, and the third assembly piece 233. The plurality of screw holes 24 are equally spaced on the first assembly piece 231, the second assembly piece 232, and the third assembly piece 233. The first assembly piece 231, the second assembly piece 232, and the third assembly piece 233 are connected to each other through threaded members and the screw holes 24. A plurality of equally spaced and same-sized screw holes 24 are provided on the first assembly piece 231, the second assembly piece 232, and the third assembly piece 233. Two assembly pieces can be assembled and connected through a common screw and a common nut. By selecting different hole positions on the assembly pieces for connection, the adjustment of the use length and angle can be realized. After the first assembly piece 231, the second assembly piece 232, and the third assembly piece 233 are connected into a whole, one end can be assembled and connected to the clamping bracket through a common screw and a common nut, and the other end can be assembled and connected to the L-shaped steering piece 21 through a common screw and a common nut.

[0032] Further, when two consecutive hole positions on the second assembly piece 232 are simultaneously connected to the L-shaped steering piece 21, the connection between the second assembly piece 232 and the L-shaped steering piece 21 is assembled into a straight line; if a certain angle needs to be adjusted during actual measurement work, only one hole position can be selected for connection, and the screw can be tightened after adjusting the appropriate included angle.

[0033] In one embodiment, as Figure 4 shown, one end of the support bracket 22 is provided with a groove-shaped opening, the rolling measuring device 3 is installed in the groove-shaped opening, and the other end of the support bracket 22 is provided with a screw hole 24. The support bracket 22 is connected to the assembly rod 23 through a threaded member and the screw hole 24. The provision of the groove-shaped opening facilitates the installation of the rolling measuring device 3.

[0034] In one embodiment, as Figure 4 and Figure 5 shown, the rolling measuring device 3 includes a rolling small wheel 31. The rolling small wheel 31 is rotatably installed in the groove-shaped opening of the support bracket 22 through a bearing rod 32. A smooth cushion block 33 is provided at the connection between the rolling small wheel 31 and the support bracket 22. The rolling small wheel 31 can adopt a plastic material hub, and the outer ring of the hub is covered with a rubber skin. The circumferential inner part of the rolling small wheel 31 is evenly distributed with spokes, and a small hole for passing through the bearing rod 32 is left at the axis center. It is connected to the clamping bracket through the bearing rod 32 and a bearing screw to realize free rotation and rolling around the bearing rod 32. A smooth cushion block 33 is provided between the rolling small wheel 31 and the clamping bracket to reduce friction.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A traveling speed measuring device for a roller contact type road roller, comprising a steel wheel (1) of the road roller, characterized in that, An assembled support (2) is provided on the steel wheel (1) of the road roller. One end of the assembled support (2) is mounted on the steel wheel (1) of the road roller, and a rolling measuring device (3) is mounted at the other end of the assembled support (2). The assembled support (2) includes an L-shaped steering piece (21), a support bracket (22), and an assembly rod (23). There are two L-shaped steering pieces (21), and the two L-shaped steering pieces (21) are symmetrically mounted on the steel wheel (1) of the road roller. An assembly rod (23) is hinged between the two L-shaped steering pieces (21). The other end of the assembly rod (23) is connected to the support bracket (22), and the rolling measuring device (3) is mounted on the support bracket (22).

2. The traveling speed measuring device for a roller contact type road roller according to claim 1, wherein: The assembly rod (23) includes a first assembly piece (231), a second assembly piece (232), and a third assembly piece (233). One end of the first assembly piece (231) is hinged to the L-shaped steering piece (21), the other end of the first assembly piece (231) is hinged to the second assembly piece (232), and both ends of the third assembly piece (233) are respectively connected to the first assembly piece (231) and the second assembly piece (232). Moreover, the first assembly piece (231), the second assembly piece (232), and the third assembly piece (233) are connected to form a triangle, and the other end of the second assembly piece (232) is connected to the support bracket (22).

3. The traveling speed measuring device of the roller contact type road roller according to claim 2, wherein: A plurality of screw holes (24) are provided on the first assembly piece (231), the second assembly piece (232), and the third assembly piece (233). The plurality of screw holes (24) are evenly distributed on the first assembly piece (231), the second assembly piece (232), and the third assembly piece (233). The first assembly piece (231), the second assembly piece (232), and the third assembly piece (233) are connected to each other through threaded parts and the screw holes (24).

4. The roller contact type road roller travel speed measuring device according to claim 1, wherein: One end of the support bracket (22) is provided with a groove-shaped opening, and the rolling measuring device (3) is mounted in the groove-shaped opening. The other end of the support bracket (22) is provided with a screw hole (24), and the support bracket (22) is connected to the assembly rod (23) through a threaded part and the screw hole (24).

5. The traveling speed measuring device of the roller contact type road roller according to claim 1, wherein: The rolling measuring device (3) includes a rolling small wheel (31). The rolling small wheel (31) is rotatably mounted in the groove-shaped opening of the support bracket (22) through a bearing rod (32), and a smooth cushion block (33) is provided at the connection between the rolling small wheel (31) and the support bracket (22).

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