CN211897642U - Electric push rod type abrasive belt type rail grinding device - Google Patents

Abstract

The utility model provides an electric push rod type abrasive belt type rail grinding device. The device includes: grinding motor, synchronous belt, tensioning device, support plate 1, support plate 2, support plate 3, abrasive belt, frame, guide seat, guide frame, sliding guide sleeve, electric cylinder for deflection motion and traverse motion Electric cylinder. A tensioning device is fixedly installed on the supporting plate 2, a supporting plate 3 is fixedly installed on the tensioning device, and a grinding motor is fixedly installed on the top of the supporting plate 3, and the tensioning device forms a rotating structure through the synchronous belt and the grinding motor. The top of the support plate 1 is fixedly installed with a traverse motion electric cylinder, and the guide frame forms a sliding structure through the traverse motion electric cylinder and the guide seat; A deflection structure is formed between the guide sleeves. The utility model utilizes an electric push rod to realize the lateral, vertical and deflection movements of the abrasive belt grinding unit, thereby reducing the complexity of the grinding car and improving the grinding efficiency.

Description

Electric push rod type abrasive belt type rail grinding device

technical field

The utility model relates to the technical field of rail grinding, in particular to an electric push rod type abrasive belt type rail grinding device.

Background technique

In recent years, with the rapid development of my country's rail transit industry, while the mileage of rail laying has increased year by year, diversified rail transit modes have shown a development trend that goes hand in hand, such as high-speed rail, ordinary rail, heavy-duty, light rail, subway and rail, etc. The turnout yard area and number of groups are also increasing. Repeated rolling of the wheelset for a long time will lead to various forms of diseases such as wavy wear, fat edges, falling blocks, fish scale patterns and joint collapse on the rail surface.

At present, grinding wheels and milling cutters are mainly used as tools for rail grinding. Due to the limitations of the performance of the grinding tools and the grinding method, the grinding operation process has the characteristics of low efficiency and high cost. Abrasive belt grinding is a newly proposed high-efficiency and low-cost rail grinding and maintenance method. The grinding unit is the core structure of the entire abrasive belt grinding equipment. Whether the mechanism of the grinding unit is reasonable or not directly affects the practical application performance of the abrasive belt grinding method. .

In the process of abrasive belt grinding operation, it is necessary to meet the requirements of rail profile repair, that is, vertical, lateral, and deflection movements are required for coordinated operation. The three-direction movement functions require their own power sources to achieve, usually hydraulic and pneumatic drives are used to achieve , but these require additional power source systems. Electric push rods are a motion drive method that has developed rapidly in recent years. With the development of electronic control technology, electric push rods can realize the control of multi-power modes such as constant force and constant displacement. The electric push rod realizes the movement of the abrasive belt grinding unit in all directions, which can reduce the complexity of the whole vehicle system and provide a feasible way for the structural realization of the abrasive belt grinding unit.

At present, there is no effective rail abrasive belt grinding device utilizing an electric push rod in the prior art.

Utility model content

The embodiment of the present utility model provides an electric push rod type abrasive belt type rail grinding device, so as to realize the horizontal, vertical and deflection movements of the abrasive belt grinding unit by using the electric push rod.

In order to achieve the above purpose, the present invention adopts the following technical solutions.

An electric push rod type abrasive belt type rail grinding device, comprising: a grinding motor, a synchronous belt, a tensioning device, a second support plate, a third support plate and an abrasive belt;

A tensioning device is fixedly installed on the supporting plate 2, a supporting plate 3 is fixedly installed on the tensioning device, and a grinding motor is fixedly installed on the top of the supporting plate 3. The tensioning device forms a rotating structure through the synchronous belt and the grinding motor. The operation of the grinding motor drives the rotation of the driving wheel, and the driving wheel drives the abrasive belt to grind the rail.

Preferably, the device further comprises: a vehicle frame, a guide seat, a guide frame, a support plate and an electric cylinder for transverse movement;

A guide seat, a guide frame and a support plate 1 are respectively fixedly installed on the frame. The top of the support plate 1 is fixedly installed with an electric cylinder for traverse movement. The electric cylinder for traverse movement is connected with the guide frame. A sliding structure is formed between the guide seat and the guide seat;

The abrasive belt grinding device includes a driving motor, a belt, a driving wheel, a tension wheel and a contact wheel. The abrasive belt grinding device is fixed on the connecting frame of the grinding device, and the connecting frame is fixedly connected with the supporting plate two. When the abrasive belt grinding device When the deviation occurs, the guide frame is driven to slide on the guide seat under the driving action of the traverse motion electric cylinder, and the guide frame then carries the abrasive belt grinding device to traverse.

Preferably, the device further comprises: a sliding guide sleeve and a deflection motion electric cylinder;

The right side of the guide frame is provided with a sliding guide sleeve, and there are two sliding guide sleeves, which are located on both sides of the abrasive belt grinding device. The deflection motion electric cylinder is connected with the sliding guide sleeve, and the guide frame forms a deflection structure between the deflection electric cylinder and the sliding guide sleeve. The device together with the second supporting plate realizes the deflection movement along the sliding guide sleeve, thereby realizing the grinding of the abrasive belt grinding device at different angles.

Preferably, the device further comprises:

The second support plate is installed between the sliding guide sleeves, and a vertical motion electric cylinder is fixedly installed on the sliding guide sleeve. The vertical motion electric cylinder is connected with the second support plate, and the sliding guide sleeve forms a liftable structure through the vertical motion electric cylinder. Adjust the lifting height of the sliding guide sleeve by vertically moving the electric cylinder, so as to adjust the lifting height of the abrasive belt grinding device.

It can be seen from the technical solutions provided by the above embodiments of the present utility model that the electric push rod type abrasive belt type rail grinding device of the embodiment of the present utility model utilizes electric push rods to realize the horizontal, vertical and deflection directions of the abrasive belt grinding unit. The movement can reduce the hydraulic or pneumatic system of the whole vehicle system, which greatly reduces the complexity of the grinding car. It makes the overall structure compact, improves the structural rigidity, grinding efficiency and grinding quality, and provides a structural guarantee for the technical advantages of abrasive belt grinding for rail grinding.

Additional aspects and advantages of the present invention will be set forth in part in the following description, which will become apparent from the following description, or will be learned by practice of the present invention.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. , for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic diagram of the overall structure of an electric push rod type abrasive belt type rail grinding device provided by an embodiment of the present invention.

2 is a schematic front view of the structure of an electric push rod type abrasive belt type rail grinding device provided by an embodiment of the present utility model.

3 is a left-view structural schematic diagram of an electric push rod type abrasive belt type rail grinding device provided by an embodiment of the present invention.

FIG. 4 is a right side structural schematic diagram of an electric push rod type abrasive belt type rail grinding device provided by an embodiment of the present invention.

FIG. 5 is a schematic top-view structural diagram of an electric push rod type abrasive belt type rail grinding device provided by an embodiment of the present invention.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but not to be construed as a limitation of the present invention.

It will be understood by those skilled in the art that the singular forms "a", "an", "the" and "the" as used herein can include the plural forms as well, unless expressly stated otherwise. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of stated features, integers, steps, operations, elements and/or components, but does not exclude the presence or addition of one or more other features , integers, steps, operations, elements, components and/or groups thereof. It will be understood that when we refer to an element as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Furthermore, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with their meanings in the context of the prior art and, unless defined as herein, are not to be taken in an idealized or overly formal sense. explain.

In order to facilitate the understanding of the embodiments of the present invention, the following will take several specific embodiments as examples for further explanation and description in conjunction with the accompanying drawings, and each embodiment does not constitute a limitation to the embodiments of the present invention.

The embodiment of the present utility model provides an electric push rod type abrasive belt type rail grinding device, the device includes a realization structure of lateral, vertical, deflection and other movements, and the structure fully considers the vibration isolation when the abrasive belt grinding method is used for rail grinding. The technical characteristics of the feeding movement structure and the driving movement structure are separated, and they do not interfere with each other, and all the running forms are driven by the electric mode, which makes the overall structure compact, improves the structural rigidity, grinding efficiency and grinding quality. The technical advantages of belt grinding for rail grinding provide structural guarantees.

A schematic diagram of the overall structure of an electric push rod type abrasive belt type rail grinding device provided by an embodiment of the present invention is shown in FIG. 1 , the front view is shown in FIG. 2 , the left view is shown in FIG. 3 , and the right view is shown in FIG. 4 The top view is shown in Figure 5.

As shown in Figures 1-5, the electric push rod type abrasive belt type rail grinding device provided by the embodiment of the present utility model includes a vehicle frame 1, a guide seat 2, a guide frame 3, a deflection motion electric cylinder 4, a grinding motor 5, and a support plate 3 6. Sliding guide sleeve 7 , vertical motion electric cylinder 8 , synchronous belt 9 , supporting plate 2 10 , abrasive belt 11 , tensioning device 12 , traverse motion electric cylinder 13 and supporting plate 1 14 .

A guide seat 2, a guide frame 3 and a support plate 14 are respectively fixedly installed on the frame 1, and a transverse movement electric cylinder 13 is fixedly installed on the top of the support plate 1 14, and the transverse movement electric cylinder 13 is connected with the guide frame 3, In addition, the guide frame 3 forms a sliding structure between the electric cylinder 13 and the guide seat 2 through the transverse movement. The right side of the guide frame 3 is provided with a sliding guide sleeve 7, the two sides of the bottom of the sliding guide sleeve 7 are respectively hinged with the guide frame 3, and a deflection motion electric cylinder 4 is fixedly installed on the guide frame 3, and the deflection motion electric cylinder 4 is connected with the sliding guide. The sleeve 7 is connected, and the guide frame 3 forms a deflection structure between the deflection electric cylinder 4 and the sliding guide sleeve 7, and the sliding guide sleeve 7 can realize a certain angle of deflection.

A supporting plate 2 10 is fixedly installed between the sliding guide sleeves 7, and a vertical motion electric cylinder 8 is fixedly installed on the sliding guide sleeve 7. The vertical motion electric cylinder 8 is connected with the supporting plate 2 10, and the sliding guide sleeve 7 passes through the vertical motion electric cylinder 8. The moving electric cylinder mechanism 8 constitutes a liftable structure to achieve precise control and self-locking of the entire grinding device. A tensioning device 12 is fixedly installed on the supporting plate 2 10, and a supporting plate 3 6 is fixedly installed on the tensioning device 12, a grinding motor 5 is fixedly installed on the top of the supporting plate 3 6, and the tensioning device 12 passes through the synchronous belt 9 and grinding. The motor 5 constitutes a rotating structure, and the rotating structure can easily drive the rotation of the driving wheel through the operation of the grinding motor 5, thereby driving the abrasive belt 11 to grind the rail.

The abrasive belt grinding device includes a driving motor, a belt, a driving wheel, a tension wheel and a contact wheel. The abrasive belt grinding device is fixed on the connecting frame of the grinding device, and the connecting frame is fixedly connected with the supporting plate two. When the abrasive belt grinding device When the deviation occurs, the guide frame is driven to slide on the guide seat under the driving action of the traverse motion electric cylinder, and the guide frame then carries the abrasive belt grinding device to traverse.

The working principle of the above-mentioned electric push rod type abrasive belt type rail grinding device includes: starting the grinding motor 5, because the tensioning device 12 forms a rotating structure with the grinding motor 5 through the synchronous belt 9, and the rotating structure drives the driving wheel through the operation of the grinding motor 5. Rotating, the driving wheel drives the abrasive belt 11 to grind the rail. In this process, the lifting height of the sliding guide sleeve 7 is controlled by the vertical movement of the electric cylinder 8, thereby adjusting the lifting height of the abrasive belt grinding device, realizing the precise control and self-locking of the entire grinding device in the vertical height direction, and improving the grinding quality. . When the grinding car has a large offset of the abrasive belt grinding device in the curve or switch operation, it can drive the guide frame 3 to slide on the guide seat 2 under the driving action of the traverse motion electric cylinder 13, so as to realize the horizontal movement of the abrasive belt grinding device. Therefore, the obstacles on both sides of the rail can be avoided during grinding and the working range can be expanded.

There are two sliding guide sleeves, located on both sides of the belt sander. When grinding different angles, the deflection motion electric cylinder drives the sliding guide sleeve to deflect at a certain angle through the telescopic change of the rod length. Grinding at different angles. This completes the use of the entire abrasive belt grinding device.

To sum up, the electric push rod type abrasive belt type rail grinding device of the embodiment of the present invention uses the electric push rod to realize the movement of the abrasive belt grinding unit in three directions: lateral, vertical and deflection, which can reduce the hydraulic or pneumatic movement of the whole vehicle system. The system greatly reduces the complexity of the grinding car; the electric push rod integrates the functions of the power source and the guiding structure, which reduces the failure rate of the power actuator and the guiding mechanism; the electric push rod is uniformly used to realize the movement power, which can simplify the electrical control program. and control strategies.

The embodiment of the present utility model provides an electric push rod type abrasive belt type rail grinding device, which avoids the traditional screw, slider and guide rail structures, and can reduce the volume of the grinding unit and the weight of the grinding unit.

Those of ordinary skill in the art can understand that the accompanying drawing is only a schematic diagram of an embodiment, and the modules or processes in the accompanying drawing are not necessarily necessary to implement the present invention.

Each embodiment in this specification is described in a progressive manner, and the same and similar parts between the various embodiments may be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the apparatus or system embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and reference may be made to some descriptions of the method embodiments for related parts. The apparatus and system embodiments described above are only illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, It can be located in one place, or it can be distributed over multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution in this embodiment. Those of ordinary skill in the art can understand and implement it without creative effort.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The changes or replacements should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (4)

1. an electric push rod type abrasive belt type rail grinding device, is characterized in that, comprises: grinding motor, synchronous belt, tensioning device, support plate two, support plate three and abrasive belt; A tensioning device is fixedly installed on the supporting plate 2, a supporting plate 3 is fixedly installed on the tensioning device, and a grinding motor is fixedly installed on the top of the supporting plate 3. The tensioning device forms a rotating structure through the synchronous belt and the grinding motor. The operation of the grinding motor drives the rotation of the driving wheel, and the driving wheel drives the abrasive belt to grind the rail. 2 . The device according to claim 1 , wherein the device further comprises: a vehicle frame, a guide seat, a guide frame, a support plate, and an electric cylinder for traversing motion; 3 . A guide seat, a guide frame and a support plate 1 are respectively fixedly installed on the frame. The top of the support plate 1 is fixedly installed with an electric cylinder for traverse movement. The electric cylinder for traverse movement is connected with the guide frame. A sliding structure is formed between the guide seat and the guide seat; The abrasive belt grinding device includes a driving motor, a belt, a driving wheel, a tension wheel and a contact wheel. The abrasive belt grinding device is fixed on the connecting frame of the grinding device, and the connecting frame is fixedly connected with the supporting plate two. When the abrasive belt grinding device When the deviation occurs, the guide frame is driven to slide on the guide seat under the driving action of the traverse motion electric cylinder, and the guide frame then carries the abrasive belt grinding device to traverse. 3. The device according to claim 2, characterized in that, the device further comprises: a sliding guide sleeve and an electric cylinder for deflection motion; The right side of the guide frame is provided with a sliding guide sleeve, and there are two sliding guide sleeves, which are located on both sides of the abrasive belt grinding device. , The deflection motion electric cylinder is connected with the sliding guide sleeve, and the guide frame forms a deflection structure between the deflection motion electric cylinder and the sliding guide sleeve. The grinding device and the second supporting plate jointly realize the deflection movement along the sliding guide sleeve, thereby realizing the grinding of the abrasive belt grinding device at different angles. 4. The device according to claim 3, wherein the device further comprises: The second support plate is installed between the sliding guide sleeves, and a vertical motion electric cylinder is fixedly installed on the sliding guide sleeve. The vertical motion electric cylinder is connected with the second support plate, and the sliding guide sleeve forms a liftable structure through the vertical motion electric cylinder. Adjust the lifting height of the sliding guide sleeve by vertically moving the electric cylinder, so as to adjust the lifting height of the abrasive belt grinding device.

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