CN211897641U - Abrasive belt drive separate rail grinding device - Google Patents

Abstract

The utility model provides an abrasive belt-driven separation type rail grinding device. Including: the lateral motion structure, the vertical motion structure and the deflection motion structure connected with the abrasive belt wheel train structure; the abrasive belt wheel train structure drives the abrasive belt to grind the rail through the driving motor, the driving wheel and the contact wheel; the vertical motion structure The abrasive belt wheel train structure is driven to move vertically through the vertical guide column, the vertical electric push rod and the vertical support. During the vertical movement, only the vertical feed moving structure moves, and the driving moving structure remains stationary; The deflection motion structure drives the abrasive belt train structure to perform deflection motion through a deflection motor, a gear and a rack; the lateral motion structure drives the abrasive belt train structure to perform lateral motion through a transverse electric screw, a transverse motor and a transverse slider. The device of the utility model separates the feeding motion structure and the driving motion structure, so that all operation forms are driven by electric means, and the structural rigidity, grinding efficiency and grinding quality are improved.

Description

Abrasive belt drive separate rail grinding device

technical field

The utility model relates to the technical field of rail grinding, in particular to an abrasive belt-driven separation 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 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 device is the core structure of the entire abrasive belt grinding equipment. Whether the mechanism of the grinding device is reasonable or not directly affects the practical application performance of this method. During the movement of the abrasive belt, the tension wheel, the contact wheel and the driving wheel need to work together to achieve the grinding effect. Generally, the above components are used as a whole to exert pressure on the grinding area. However, the rail grinding conditions are more complicated, and the operation process itself There is no unified benchmark. When the overall pressure is applied, the vibration caused by the operation of the driving motor will inevitably be transmitted to the working area, which will affect the grinding quality of the rail.

Therefore, how to propose an abrasive belt rail grinding device that isolates the vibration of the drive motor according to the actual grinding requirements is an urgent problem to be solved.

Utility model content

The embodiment of the present utility model provides an abrasive belt-driven separation type rail grinding device, so as to realize an abrasive belt rail grinding device that separates the feeding motion structure and the driving motion structure.

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

An abrasive belt-driven separate rail grinding device, comprising:

An abrasive belt train structure, and a lateral motion structure, a vertical motion structure and a deflection motion structure connected with the abrasive belt train structure;

The abrasive belt wheel train structure drives the abrasive belt to grind the rail through a drive motor, a drive wheel and a contact wheel; the vertical motion structure drives the abrasive belt through a vertical guide column, a vertical electric push rod and a vertical bracket The gear train structure performs vertical motion. During the vertical motion, only the vertical feed motion structure moves, and the driving motion structure remains stationary; the deflection motion structure drives the abrasive belt wheel through a deflection motor, a gear and a rack. The system structure performs a deflection motion; the lateral motion structure drives the abrasive belt train structure to perform a lateral motion through a transverse electric screw, a transverse motor and a transverse slider.

Preferably, the device further includes a locking mechanism, which is connected with the vertical support, and when the abrasive belt wheel train structure deflects to a predetermined angle, a solenoid valve is used to drive the brake slanting iron to lock the deflection movement.

Preferably, the device further comprises a spring mechanism which can adapt to the change of the length of the abrasive belt, the spring mechanism is connected with the sliding block connecting plate, and the sliding block connecting plate is fixedly connected with the vertical sliding block.

Preferably, the abrasive belt wheel train structure includes a vertical support and a deflection shaft that are fixedly connected to each other, and a drive motor, a coupling, a driving wheel shaft, a bearing, a bearing seat, a driving wheel carried on the vertical support and the deflection shaft and contact wheel;

The driving wheel is fixedly mounted on the motor mounting frame through the driving wheel shaft, the bearing and the bearing seat, the driving wheel shaft is connected with the driving motor through the coupling, and the driving motor is connected with the deflection shaft through the motor mounting frame; the contact wheel is connected with the contact wheel The bracket is connected, and the contact wheel bracket is fixedly connected with the slider connecting plate.

Preferably, the vertical motion structure includes: a vertical electric screw, a vertical guide rail, a vertical slider and a vertical bracket;

In the vertical movement of the abrasive belt-driven separate rail grinding device, the vertical bracket is connected with the gear box and the vertical guide rail, the vertical electric screw is matched with the vertical electric screw nut, and the vertical electric screw nut is connected with the vertical electric screw nut. It is fixedly connected to the slider, the rod extension end of the vertical electric screw rod is connected with the gear shaft through the coupling, and the gear shaft is connected with the vertical motion motor through the first-level spur gear transmission;

The vertical support is fixedly connected with the deflection shaft. When the vertical motion structure drives the abrasive belt wheel train structure to perform vertical motion, the contact wheel and the abrasive belt move, while the driving wheel is stationary to realize the vertical feeding motion and driving motion. separation.

Preferably, the deflection motion structure includes: a deflection motor, a deflection motor bracket, a gear and a rack;

In the deflection movement of the abrasive belt-driven separate rail grinding device, the vertical support is connected with the deflection shaft, the deflection shaft is matched with the deflection seat through the bearing, and the deflection seat is fixedly connected with the horizontal plate support; the rack in the deflection motion structure It is fixedly connected to the vertical bracket, and the deflection motor is installed on the horizontal plate bracket of the lateral motion structure through the deflection motor mounting bracket. The gear is connected with the deflection motor, and the gear is meshed with the rack. When the deflection motor drives the gear to rotate, the deflection motor passes through. The rack drives the vertical motion structure and the abrasive belt wheel train structure to jointly deflect to a preset angle, the deflection center is at the deflection axis, and the deflection drive is provided by the deflection motor. During the deflection process, the gear remains stationary.

Preferably, the lateral motion structure includes: a lateral electric screw, a lateral motor, a lateral slider and a lateral guide rail;

In the lateral movement of the abrasive belt-driven separate rail grinding device, the lateral electric screw provides the driving force, the lateral electric screw is connected with the lateral motor through the coupling and the first-stage spur gear transmission, and the lateral electric screw is connected to the lateral motor. The electric screw nut is matched, the horizontal electric screw nut is fixedly connected to the horizontal slider through the horizontal plate bracket, the horizontal slider is fixedly connected to the horizontal plate bracket, the deflection seat is fixedly connected to the horizontal plate bracket, and the deflection seat is also connected to the entire abrasive belt wheel. The system is fixedly connected, and the horizontal electric screw rod drives the horizontal plate bracket through the transverse slider to provide horizontal movement force for the grinding device.

It can be seen from the technical solutions provided by the above-mentioned embodiments of the present utility model that the abrasive belt-driven separate rail grinding device of the present utility model includes the realization structures of horizontal, vertical, deflection and other movements, and the device fully considers the abrasive belt grinding. The cutting method is used for the technical characteristics of vibration isolation during rail grinding. It separates the feed motion structure from the driving motion structure without interfering with each other, and satisfies that all operating modes are driven by electric mode, which makes the overall structure compact and improves the structural rigidity, Grinding efficiency and grinding quality provide 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 abrasive belt-driven separate rail grinding device provided by an embodiment of the present utility model;

Fig. 2 is the side view of a kind of abrasive belt drive separation type rail grinding device provided by the embodiment of the utility model;

FIG. 3 is a front view of an abrasive belt-driven separate rail grinding device provided by an embodiment of the present utility model.

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.

In order to solve the problems and application requirements in the above background technology, the present utility model provides an abrasive belt-driven separate rail grinding device, the device includes a realization structure of lateral, vertical, deflection and other movements, and the device fully considers the abrasive belt grinding. The cutting method is used for the technical characteristics of vibration isolation during rail grinding. It separates the feed motion structure from the driving motion structure without interfering with each other, and satisfies that all operating modes are driven by electric mode, which makes the overall structure compact and improves the structural rigidity, Grinding efficiency and grinding quality provide structural guarantee for the technical advantages of abrasive belt grinding for rail grinding.

A schematic diagram of the overall structure of the abrasive belt-driven separate rail grinding device provided by the embodiment of the present invention is shown in FIG. 1 , the side view is shown in FIG. 2 , and the front view is shown in FIG. 3 . It includes mechanical structures such as the belt wheel drive structure, lateral motion structure, vertical motion structure and deflection motion structure, as well as the deflection motion locking mechanism that uses the solenoid valve to drive the brake inclined iron to lock the position, and can adapt to the change of the length of the abrasive belt. spring mechanism.

The abrasive belt train structure drives the abrasive belt to grind the rail through the drive motor, the drive wheel and the contact wheel; the vertical motion structure drives the abrasive belt train structure to carry out the vertical motion through the vertical guide column, the vertical electric push rod and the vertical support. During the vertical motion, only the vertical feed motion structure moves, and the driving motion structure remains stationary; the deflection motion structure drives the abrasive belt wheel structure to deflect motion through a deflection motor, a gear and a rack; The transverse motion structure drives the abrasive belt train structure to perform transverse motion through a transverse electric screw, a transverse motor and a transverse slider.

The structure of the abrasive belt wheel train includes a drive motor 9, a coupling, a drive wheel shaft, a bearing, a bearing seat, a drive wheel 19, a contact wheel 13, etc., as well as a vertical support 21 and a deflection shaft 24 that are fixedly connected to each other and carry the above-mentioned devices. The drive pulley 19 and the contact pulley 13 of the pulley train are installed with the drive motor 9 and the contact pulley bracket 14 at the corresponding positions.

The driving wheel 19 is fixedly installed on the motor mounting frame 10 through the driving wheel shaft, the bearing and the bearing seat, the driving wheel shaft is connected with the driving motor through the coupling, and the driving motor 9 is connected with the deflection shaft 24 through the motor mounting frame 10; the contact wheel 13 is connected with the contact wheel bracket 14, and the contact wheel bracket 14 is fixedly connected with the slider connecting plate 20;

The locking mechanism 3 uses a solenoid valve to drive the brake slanting iron to lock the deflection movement when the abrasive belt wheel train structure deflects to a predetermined angle, and the locking mechanism 3 is connected to the vertical bracket 21 .

The spring mechanism that can adapt to the change of the length of the abrasive belt is connected with the slider connecting plate 20 , and the slider connecting plate 20 is fixedly connected with the vertical slider 27 .

The vertical motion structure includes: a vertical electric screw rod, a vertical guide rail, a vertical sliding block and a vertical bracket. In the vertical movement of the abrasive belt-driven separable rail grinding device of the embodiment of the present invention, the vertical bracket 21 is connected with the gear box 1 and the vertical guide rail 25, wherein the vertical movement is realized by the vertical electric screw rod, the vertical The electric screw is matched with the vertical electric screw nut, the vertical electric screw nut is fixedly connected with the vertical slider 27, the rod extension end of the vertical electric screw is connected with the gear shaft through the coupling, and the gear shaft passes through a The spur gear transmission is connected with the vertical motion motor 2, and the above components constitute the realization elements of the vertical motion.

The vertical movement is carried out by the vertical guide rail 25 , the vertical sliding block 27 and the vertical bracket 21 , and the vertical bracket 21 is fixedly connected with the deflection shaft 24 , so that the vertical moving parts form a whole. When the abrasive belt wheel train realizes vertical feeding, the contact wheel 13 and the abrasive belt 4 move, while the driving wheel 19 is stationary, so as to realize the separation of the feeding motion and the driving motion.

The deflection motion structure includes: a deflection motor, a deflection motor support, a gear and a rack. In the deflection movement of the abrasive belt-driven separable rail grinding device according to the embodiment of the present invention, the vertical support 21 is connected with the deflection shaft 24 , the deflection shaft 24 is matched with the deflection seat 22 through the bearing, and the deflection seat 22 is fixedly connected with the horizontal plate support 15 ; All components of vertical movement such as abrasive belt wheel train, vertical support 21, gear box 1 are deflected, and the deflection center is at deflection axis 24, and the deflection drive is provided by deflection motor 16, which is provided by deflection motor 16 through deflection motor mounting frame 17 Installed on the horizontal plate bracket 15 of the lateral movement structure.

The deflection movement is realized by the deflection motor 16, the deflection motor bracket 17, the gear 26, and the rack 18. The rack 18 is fixedly connected to the vertical bracket 21, the gear 26 is connected with the deflection motor 16, and the gear 26 is connected with the rack 18. When the deflection motor 16 drives the gear 26 to rotate, the deflection motor 16 drives the vertical bracket 21 , the vertical motor 2 , the abrasive belt gear structure, etc. to jointly deflect to a preset angle through the rack 18 . During the deflection process, the gear 26 Keeping still, the vertical feed structure rotates around the deflection axis.

The transverse motion structure includes: transverse electric screw, transverse motor, transverse slider and transverse guide rail. In the lateral movement of the abrasive belt-driven separable rail grinding device of the embodiment of the present invention, the lateral electric screw provides the driving force, and the lateral electric screw is connected to the lateral motor 5 through the coupling and the first-stage spur gear 6 transmission. The transverse electric screw is matched with the transverse electric screw nut, and the transverse electric screw nut is fixedly connected with the transverse slider 7 through the horizontal plate bracket 15. The transverse slider 7 and the transverse guide rail 8 together realize the horizontal movement of the grinding device.

During the lateral movement of the grinding device, the lateral slider 7 is fixedly connected to the horizontal plate support 15, the deflection seat 22 of the grinding device is fixedly connected to the horizontal plate support 15, and the deflection seat 22 is also fixedly connected to the entire abrasive belt wheel structure. That is, the horizontal electric screw rod drives the horizontal plate bracket 15 through the transverse slider 7 to provide horizontal movement force for the grinding device.

To sum up, the abrasive belt-driven separate rail grinding device of the embodiment of the present invention has the following beneficial effects:

(1) When the structure performs vertical motion to realize grinding, only the feed motion structure moves, and the drive motion structure remains stationary to realize the effective separation of abrasive belt feeding and driving;

(2) A locking device is attached to the deflection moving part. When the abrasive belt wheel train structure is deflected to a predetermined angle, the deflection motion can be locked by the locking device, which reduces the influence of grinding vibration on the actual grinding effect;

(3) The driving motor is directly connected with the driving wheel, and the driving wheel is supported by the deflection shaft, so that the motor only transmits the driving torque, which minimizes other loads of the motor and shortens the transmission chain;

(4) It has a spring mechanism that can adapt to the change of the length of the abrasive belt, which can adapt to the change of the length of the abrasive belt caused by vertical feeding to a certain extent, and maintain the tension of the abrasive belt in real time.

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 device 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 (7)

1. A belt drive disconnect-type rail grinding device which characterized in that includes:

the device comprises an abrasive belt wheel train structure, and a transverse motion structure, a vertical motion structure and a deflection motion structure which are connected with the abrasive belt wheel train structure;

the abrasive belt wheel train structure drives an abrasive belt to perform grinding operation on a steel rail through a driving motor, a driving wheel and a contact wheel; the vertical motion structure drives the abrasive belt wheel train structure to move vertically through a vertical guide pillar, a vertical electric push rod and a vertical support, only the vertical feeding motion structure moves in the vertical motion process, and the driving motion structure keeps static; the deflection motion structure drives the abrasive belt wheel train structure to perform deflection motion through a deflection motor, a gear and a rack; the transverse motion structure drives the abrasive belt wheel train structure to move transversely through a transverse electric screw rod, a transverse motor and a transverse sliding block.

2. The apparatus of claim 1, further comprising a locking mechanism coupled to the vertical support for locking the position of the brake ramp with a solenoid valve when the belt train structure is deflected to a predetermined angle.

3. A device according to claim 2, characterized in that the device further comprises spring means adapted to the change in length of the belt, said spring means being connected to a slide connection plate, which is fixedly connected to the vertical slide.

4. The device of claim 1, wherein the belt train structure comprises a vertical bracket and a deflection shaft fixedly connected with each other, and a driving motor, a coupling, a driving wheel shaft, a bearing seat, a driving wheel and a contact wheel which are borne on the vertical bracket and the deflection shaft;

the driving wheel is fixedly arranged on the motor mounting frame through a driving wheel shaft, a bearing and a bearing seat, the driving wheel shaft is connected with the driving motor through a coupler, and the driving motor is connected with the deflection shaft through the motor mounting frame; the contact wheel is connected with the contact wheel support, and the contact wheel support is fixedly connected with the sliding block connecting plate.

5. The apparatus of claim 1, wherein the vertical motion structure comprises: the vertical electric screw rod, the vertical guide rail, the vertical sliding block and the vertical bracket;

in the vertical movement of the abrasive belt driving separation type steel rail grinding device, a vertical support is connected with a gear box and a vertical guide rail, a vertical electric screw rod is matched with a vertical electric screw rod nut, the vertical electric screw rod nut is fixedly connected with a vertical sliding block, the rod extending end of the vertical electric screw rod is connected with a gear shaft through a coupler, and the gear shaft is connected with a vertical movement motor through primary straight gear transmission;

the vertical support is fixedly connected with the deflection shaft, when the vertical motion structure drives the abrasive belt wheel train structure to vertically move, the contact wheel and the abrasive belt move, and the driving wheel is static, so that the vertical feeding motion and the driving motion are separated.

6. The apparatus of claim 1, wherein the deflective-motion structure comprises: the deflection motor, the deflection motor bracket, the gear and the rack;

in the deflection motion of the abrasive belt drive separation type steel rail grinding device, a vertical support is connected with a deflection shaft, the deflection shaft is matched with a deflection seat through a bearing, and the deflection seat is fixedly connected with a horizontal plate support; the rack in the deflection motion structure is fixedly connected to a vertical support, a deflection motor is installed on a horizontal plate support of the transverse motion structure through a deflection motor installation frame, a gear is connected with the deflection motor and meshed with the rack, when the deflection motor drives the gear to rotate, the deflection motor drives the vertical motion structure and the abrasive belt wheel train structure to deflect to a preset angle together through the rack, a deflection center is arranged at a deflection shaft, deflection drive is provided by the deflection motor, and the gear is kept motionless in the deflection process.

7. The apparatus of claim 1, wherein the lateral motion structure comprises: the transverse electric screw rod, the transverse motor, the transverse sliding block and the transverse guide rail are arranged on the base;

in the transverse movement of the abrasive belt driving separation type steel rail grinding device, a transverse electric screw rod provides driving force, the transverse electric screw rod is connected with a transverse motor through a coupler and a primary straight gear transmission, the transverse electric screw rod is matched with a transverse electric screw rod nut, the transverse electric screw rod nut is fixedly connected with a transverse sliding block through a horizontal plate support, the transverse sliding block is fixedly connected with a horizontal plate support, a deflection seat is fixedly connected with the horizontal plate support, the deflection seat is also fixedly connected with the whole abrasive belt wheel train structure, and the horizontal electric screw rod drives the horizontal plate support through the transverse sliding block to provide horizontal movement force for the grinding device.

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