CN117127445A - A rail grinding device and a turnout passing method - Google Patents
A rail grinding device and a turnout passing method Download PDFInfo
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- CN117127445A CN117127445A CN202311146601.9A CN202311146601A CN117127445A CN 117127445 A CN117127445 A CN 117127445A CN 202311146601 A CN202311146601 A CN 202311146601A CN 117127445 A CN117127445 A CN 117127445A
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- Prior art keywords
- polishing
- rail
- grinding
- traversing
- steel rail
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
- E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
本发明公开了一种钢轨打磨装置及道岔通过方法，该钢轨打磨装置包括安装架、至少两个打磨单元以及锁定机构，锁定机构连接于相邻打磨单元之间，用于相邻打磨单元沿横向发生相对移动，打磨单元包括支撑架，沿竖向可移动地连接于安装架；横移机构，沿横向可移动地连接于支撑架；打磨机构，可旋转地设于横移机构上，且打磨机构设于支撑架的下方；定位机构，用于将打磨机构移动至钢轨的打磨位置，定位机构设于横移机构上，且定位机构靠近打磨机构的侧部设置。本申请能够安全通过道岔有害空间，以及保证钢轨打磨装置始终紧贴道岔钢轨进行打磨，避免作业受限和存在打磨盲区的形况，从而提高道岔钢轨的打磨精度和打磨质量。
The invention discloses a rail grinding device and a switch passing method. The rail grinding device includes a mounting frame, at least two grinding units and a locking mechanism. The locking mechanism is connected between adjacent grinding units for the adjacent grinding units to move along the transverse direction. When relative movement occurs, the grinding unit includes a support frame, which is movably connected to the installation frame in the vertical direction; a traverse mechanism, which is movably connected to the support frame in the transverse direction; and the polishing mechanism is rotatably mounted on the traverse mechanism, and polishes The mechanism is located below the support frame; the positioning mechanism is used to move the grinding mechanism to the grinding position of the rail; the positioning mechanism is located on the traverse mechanism, and the positioning mechanism is located close to the side of the grinding mechanism. This application can safely pass through the harmful space of the switch, and ensure that the rail grinding device is always close to the switch rail for grinding, avoiding restricted operations and grinding blind spots, thereby improving the grinding accuracy and polishing quality of the switch rail.
Description
Technical Field
The application relates to the technical field of railway maintenance equipment, in particular to a steel rail polishing device. The application also relates to a switch passing method applied to the rail grinding device.
Background
The steel rail bears huge pressure and impact force of a high-speed and heavy-load train for a long time, and the surface of the steel rail can generate diseases such as scale marks, fat edges, abrasion, scratch and the like, and the diseases are contacted with the wheel rail of the train, so that the wheel rail can be further damaged, and the running safety of the train can be seriously threatened even if the treatment is not timely carried out.
At present, a rail grinding wagon is often used for maintaining and repairing a rail so as to remove rail diseases, and a core grinding part of the rail grinding wagon is a rail grinding device which grinds the rail by utilizing a grinding wheel plane rotating at a high speed. However, the turnout mainly comprises a switch part, a connecting part, a frog and a guard rail part, wherein the frog part is provided with a section of gap between the narrowest part of two wing rails and the most tip of the frog center, the gap is a harmful space of the turnout, a running wheel at the bottom of a frame is easy to derail when passing through the harmful space, the turnout is provided with a plurality of overlapped straight steel rails and curved steel rails, the relative position of a grinding wheel and the frame is fixed, the grinding wheel at the bottom of the frame is easy to deviate along the transverse direction of the steel rails, the grinding wheel is easy to interfere with the side steel rails, the operation is limited, and a grinding blind area exists, so that the grinding precision and the grinding quality of the turnout steel rails are poor.
In summary, how to provide a rail grinding device, the accuracy and quality of polishing of the turnout rail can be improved.
Disclosure of Invention
In view of the above, the application aims to provide a rail polishing device which can improve the polishing precision and polishing quality of turnout rails.
Another object of the present application is to provide a switch passing method applied to the above rail grinding apparatus.
In order to achieve the above object, the present application provides the following technical solutions:
the utility model provides a rail grinding device, includes mounting bracket, two at least polishing units and locking mechanical system, locking mechanical system connects in the neighborhood between the polishing unit for prevent the neighborhood the polishing unit takes place relative movement along transversely, the polishing unit includes:
the support frame is vertically movably connected with the mounting frame;
the transverse moving mechanism is movably connected with the support frame along the transverse direction;
the polishing mechanism is used for polishing the steel rail, is rotatably arranged on the traversing mechanism and is arranged below the supporting frame;
the positioning mechanism is used for moving the polishing mechanism to the polishing position of the steel rail, and is arranged on the traversing mechanism and close to the side part of the polishing mechanism.
Preferably, the polishing unit further comprises a pressing mechanism, wherein the pressing mechanism comprises a vertical movement driving assembly, a connecting rod assembly and a clamping assembly;
the connecting rod assembly is hinged between the mounting frame and the supporting frame, and the vertical movement driving assembly is vertically connected between the mounting frame and the supporting frame and is used for driving the supporting frame to vertically move;
one end of the clamping component is rotatably arranged on the supporting frame, and when the supporting frame is required to stop moving, the other end of the clamping component is inserted into the mounting frame.
Preferably, the sideslip mechanism includes sideslip drive assembly and follows the sideslip support of vertical setting, the both sides of support frame all are equipped with sideslip support, two be equipped with between the sideslip support grinding machanism, the power end of sideslip drive assembly is located support frame, output are located along transversely the sideslip support, in order to drive grinding machanism lateral shifting.
Preferably, the traversing mechanism further comprises a moving guide post and a moving guide sleeve, wherein the moving guide post is arranged along the lateral direction and close to the side edge of the supporting frame, and the moving guide sleeve is arranged at the end part of the traversing support and is movably sleeved on the moving guide post.
Preferably, a horizontal support with a hollow structure is arranged between the two transverse supports, the polishing mechanism is sleeved in the hollow structure, an adjustable clamping piece is arranged on the horizontal support, and when the polishing mechanism needs to be locked, a clamping opening of the clamping piece is clamped in the polishing mechanism.
Preferably, the polishing mechanism comprises a box body, a polishing driving assembly and a grinding wheel, wherein the box body penetrates through the hollow structure, the polishing driving assembly is arranged on the upper portion of the box body, the grinding wheel is arranged on the lower portion of the box body through a rotating shaft and extends out of the box body, and the polishing driving assembly is in transmission connection with the rotating shaft.
Preferably, a protective cover is arranged on the outer side of the grinding wheel, and one end of the protective cover is connected with a grinding powder collecting device.
Preferably, both sides of the horizontal support are hinged between the two lateral supports, and a swing driving assembly is arranged between the horizontal support and the lateral supports so as to drive the polishing mechanism to swing left and right along the transverse direction.
Preferably, the locking mechanism comprises a locking guide sleeve, locking guide posts and connecting components, wherein the locking guide posts and the connecting components are transversely arranged, the locking guide posts are arranged on two side edges of the supporting frame, the locking guide posts are sleeved with the locking guide sleeves, and the connecting components are connected between the locking guide sleeves on the adjacent supporting frames.
A switch passing method applied to the rail grinding device of any one of the above, comprising:
controlling the rail polishing device to polish through a turnout, controlling the polishing unit to enter the curved rail from the straight rail, controlling the traversing mechanism to transversely move along the rail, driving the positioning mechanism of the polishing unit to contact with the inner side surface of the rail, and simultaneously driving the polishing mechanism of the polishing unit to move to the rail polishing position for polishing;
when adjacent polishing units pass through the harmful space of the turnout, the locking mechanism is controlled to lock the adjacent polishing units, the positioning mechanism of the front polishing unit falls into the harmful space, the positioning mechanism of the rear polishing unit contacts with the inner side surface of the steel rail, the positioning mechanism of the front polishing unit is controlled to continuously move to the steel rail and contact with the side surface of the steel rail, the positioning mechanism of the rear polishing unit falls into the harmful space, and the positioning mechanism of the rear polishing unit is controlled to continuously move to the steel rail and contact with the side surface of the steel rail.
Compared with the prior art, the steel rail polishing device comprises the mounting frame and at least two polishing units, wherein each polishing unit is arranged on the steel rail polishing trolley through the mounting frame, and a locking mechanism is connected between every two adjacent polishing units so as to limit the adjacent polishing units to transversely and relatively move. The polishing unit comprises a support frame, a traversing mechanism, a polishing mechanism and a positioning mechanism, wherein the support frame is vertically movably connected with the mounting frame, the traversing mechanism is transversely movably connected with the support frame, the traversing mechanism can vertically and transversely move relative to the mounting frame, and the polishing mechanism is rotatably arranged on the traversing mechanism, so that the polishing position of the polishing mechanism can be adjusted along the transverse direction and the longitudinal direction of a steel rail; in addition, the lateral part of the traversing mechanism, which is close to the polishing mechanism, is provided with a positioning mechanism, so that the positioning mechanism can synchronously adjust and move along the transverse direction and the longitudinal direction of the steel rail, and the positioning mechanism is driven to contact with the inner side surface of the steel rail.
In the process of polishing the turnout region, when the polishing unit enters the curved steel rail from the linear steel rail, the transverse moving mechanism is controlled to transversely move along the steel rail so as to drive the positioning mechanism to be in contact with the inner side surface of the steel rail, and meanwhile, the polishing mechanism is driven to transversely move to the steel rail polishing position along the steel rail, and the polishing mechanism rotates at a high speed to polish, so that the polishing mechanism is guaranteed to be tightly attached to the steel rail polishing position, and the polishing dead zone of the turnout is avoided; in addition, when adjacent polishing units pass through the harmful space of the turnout, the control locking mechanism limits the adjacent polishing units to transversely and relatively move, and correspondingly, the positioning mechanisms of the adjacent polishing units cannot be displaced, the positioning mechanism of the front polishing unit falls into the harmful space, the positioning mechanism of the rear polishing unit still contacts with the inner side surface of the steel rail, then, the positioning mechanism of the front polishing unit continuously moves to the steel rail and still contacts with the side surface of the steel rail, the positioning mechanism of the rear polishing unit falls into the harmful space, and finally, the positioning mechanism of the rear polishing unit continuously moves to the steel rail and contacts with the side surface of the steel rail so as to ensure that at least one positioning mechanism contacts with the side surface of the steel rail, thereby ensuring that the steel rail polishing device safely passes through the harmful space of the turnout and continuously polishing operation.
Therefore, the rail polishing device can safely pass through the harmful space of the turnout, ensure that the rail polishing device always clings to the turnout rail for polishing, avoid the conditions of limited operation and polishing dead zones, and further improve the polishing precision and polishing quality of the turnout rail.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a polishing unit in a rail polishing device according to the present application;
fig. 2 is a schematic structural view of the inside of a polishing mechanism of a polishing unit in a rail polishing device according to the present application;
fig. 3 is a schematic diagram of the whole structure of a rail grinding device provided by the application.
In fig. 1 to 3, reference numerals include:
the polishing device comprises a mounting frame 1, a supporting frame 2, a polishing unit 3, a locking mechanism 4, a positioning mechanism 5, a vertical movement driving assembly 6, a vertical movement connecting rod 7, a clamping connecting rod 8, a first lug seat 9, a second lug seat 10, a third lug seat 11, a transverse movement support 12, a movable guide post 13, a movable guide sleeve 14, a transverse movement driving assembly 15, a horizontal support 16, a clamping piece 17, a box body 18, a grinding wheel 19, a transmission shaft 20, a polishing driving assembly 21, a transmission belt 22, a swing driving assembly 23, a swing guide sleeve 24 and a locking guide post 25.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The application aims at providing a steel rail polishing device which can improve the polishing precision and the polishing quality of a turnout steel rail.
Another core of the application is to provide a switch passing method applied to the rail grinding device.
The term "transverse" as used herein refers to a direction perpendicular to the extending direction of the rail and located in the rail surface, and the term "vertical" refers to a direction perpendicular to the rail surface.
Referring to fig. 1 to 3, the present application provides a rail polishing device, which comprises a mounting frame 1, at least two polishing units 3 and a locking mechanism 4, wherein both sides of the frame are respectively provided with a rail polishing device, each polishing unit 3 is installed on the frame through the mounting frame 1, and the locking mechanism 4 is connected between adjacent polishing units 3 for preventing the adjacent polishing units 3 from relative movement along the transverse direction.
Each polishing unit 3 comprises a support frame 2, a traversing mechanism, a polishing mechanism and a positioning mechanism 5, wherein the support frame 2 is vertically and movably connected with the mounting frame 1, and the traversing mechanism is transversely and movably connected with the support frame 2, so that the traversing mechanism can vertically and transversely move relative to the mounting frame 1, and the polishing mechanism is rotatably arranged on the traversing mechanism, thereby realizing the adjustment of the polishing position of the polishing mechanism along the transverse direction and the longitudinal direction of a steel rail; in addition, the lateral part of the traversing mechanism, which is close to the polishing mechanism, is provided with a positioning mechanism 5, so that the positioning mechanism 5 can synchronously adjust and move along the transverse direction and the longitudinal direction of the steel rail, and the positioning mechanism 5 is driven to contact with the inner side surface of the steel rail. The main core component of the positioning mechanism 5 is a running wheel, and the rim of the running wheel contacts with the side surface of the steel rail.
In the process of polishing a turnout region, when a polishing unit 3 enters a curved steel rail from a straight steel rail, the middle position of a frame is deviated relative to the center position of the curved steel rail, a transverse moving mechanism is controlled to move transversely along the steel rail so as to drive a positioning mechanism 5 to contact with the inner side surface of the steel rail, and meanwhile, a polishing mechanism is driven to move transversely along the steel rail to a steel rail polishing position, and the polishing mechanism rotates at a high speed to polish, so that the polishing mechanism can be tightly attached to the steel rail polishing position all the time through the transverse reciprocating movement of the moving mechanism along the steel rail, and a polishing blind area of the turnout is avoided; in addition, when the adjacent polishing units 3 pass through the turnout harmful space, the locking mechanism 4 is controlled to limit the adjacent polishing units 3 to move transversely and relatively, correspondingly, the positioning mechanisms 5 of the adjacent polishing units 3 cannot move in a staggered manner, the positioning mechanisms 5 of the front polishing units 3 fall into the harmful space, the positioning mechanisms 5 of the rear polishing units 3 still contact with the inner side surface of the steel rail, then the positioning mechanisms 5 of the front polishing units 3 continue to move to the steel rail and still contact with the side surface of the steel rail, the positioning mechanisms 5 of the rear polishing units 3 fall into the harmful space, and finally the positioning mechanisms 5 of the rear polishing units 3 continue to move to the steel rail and contact with the side surface of the steel rail so as to ensure that the steel rail polishing device safely passes through the turnout harmful space and continues to polish.
Therefore, the rail polishing device can safely pass through the harmful space of the turnout, ensure that the rail polishing device always clings to the turnout rail for polishing, avoid the conditions of limited operation and polishing dead zones, and further improve the polishing precision and polishing quality of the turnout rail.
It should be noted that, the steel rail heights of the different sections of the turnout have deviation, and the support frame 2 is vertically movably connected with the mounting frame 1 so as to drive the polishing mechanism to vertically move, thereby further ensuring that the polishing mechanism is attached to the steel rail polishing position.
On the basis of the above embodiment, the polishing unit 3 further includes a pressing mechanism including a vertical movement driving assembly 6, a link assembly, and a clamping assembly. The connecting rod assembly is hinged between the mounting frame 1 and the supporting frame 2, and the vertical movement driving assembly 6 is vertically connected between the mounting frame 1 and the supporting frame 2 and is used for driving the supporting frame 2 to vertically move; one end of the clamping component is rotatably arranged on the supporting frame 2, and when the supporting frame 2 is required to stop moving, the other end of the clamping component is inserted into the mounting frame 1.
Specifically, the pushing mechanism is used for driving the support frame 2 to move vertically so as to drive the polishing mechanism to move vertically, and then the vertical distance between the polishing mechanism and the steel rail is adjusted. Be equipped with a plurality of first ear seat 9 on the support frame 2, and the two-to-two symmetric distribution of a plurality of first ear seat 9 is in the side department of support frame 2, is equipped with a plurality of second ear seat 10 on the mounting bracket 1, and a plurality of second ear seat 10 and a plurality of first ear seat 9 one-to-one setting, link assembly include a plurality of erect move connecting rod 7, and each erect move one end of connecting rod 7 all with first ear seat 9 articulated, the other end all with second ear seat 10 articulated for support frame 2 movably installs on mounting bracket 1. In order to ensure that the support frame 2 moves vertically relative to the mounting frame 1, a vertical movement driving assembly 6 is arranged between the support frame 2 and the mounting frame 1, the vertical movement driving assembly 6 comprises first vertical movement cylinders which are vertically arranged, and/or second vertical movement cylinders, one ends of the first vertical movement cylinders and the second vertical movement cylinders are connected with the mounting frame 1, and the other ends of the first vertical movement cylinders and the second vertical movement cylinders are connected with the support frame 2 so as to vertically drive the support frame 2. In order to guarantee that support frame 2 sets up firmly on mounting bracket 1, set up clamping assembly between support frame 2 and the mounting bracket 1, clamping assembly includes third ear seat 11 and clamp connecting rod 8, and third ear seat 11 sets up on support frame 2, and clamp connecting rod 8's one end is articulated with third ear seat 11, when the vertical removal of support frame 2 needs restriction, clamp connecting rod 8's the other end inserts in the draw-in groove of mounting bracket 1.
When the structure is used, when the vertical distance between the polishing mechanism and the steel rail is required to be adjusted, the first vertical moving cylinder and the second vertical moving cylinder are started to drive the supporting frame 2 to vertically move, the polishing mechanism vertically moves to the steel rail polishing position, and the clamping connecting rod 8 is inserted into the clamping groove of the mounting frame 1, so that the polishing mechanism is fixedly arranged at the steel rail polishing position, and polishing quality and polishing precision are ensured.
It should be noted that the types of the first vertical movement cylinder and the second vertical movement cylinder are not unique, and hydraulic cylinders, air cylinders or electric cylinders can be selected.
On the basis of the embodiment, the transverse moving mechanism comprises a transverse moving driving assembly 15 and transverse moving supporting seats 12 arranged vertically, wherein transverse moving supporting seats 12 are arranged on two sides of the supporting frame 2, a polishing mechanism is arranged between the two transverse moving supporting seats 12, transverse moving driving assemblies 15 are arranged between each transverse moving supporting seat 12 and the supporting frame 2, a power end of each transverse moving driving assembly 15 is arranged on the supporting frame 2, an output end of each transverse moving driving assembly is transversely arranged on the corresponding transverse moving supporting seat 12, and the transverse moving driving assemblies 15 reciprocate on the supporting frame 2 transversely. Alternatively, the traversing driving assembly 15 may be an air cylinder, a hydraulic cylinder or an electric cylinder.
Further, the traversing mechanism further comprises a moving guide post 13 and a moving guide sleeve 14, the two sides of the supporting frame 2 are respectively provided with the moving guide posts 13 which are arranged along the transverse direction, the end parts of the traversing supports 12 are respectively provided with the moving guide sleeves 14, and each traversing support 12 is movably connected to the corresponding moving guide post 13 through the moving guide sleeve 14 so as to drive the polishing mechanism to move along the transverse direction.
On the basis of the embodiment, a horizontal support 16 with a hollow structure is arranged between the two transverse supports 12, the polishing mechanism is sleeved in the hollow structure, an adjustable clamping piece 17 is arranged on the horizontal support 16, and when the polishing mechanism needs to be locked, the clamping opening of the clamping piece 17 is clamped on the polishing mechanism.
Specifically, the horizontal support 16 is connected between the two traversing supports 12, the middle part of the horizontal support 16 is in a hollow structure, the polishing mechanism is sleeved in the hollow structure, so that the polishing mechanism rotates relative to the horizontal support 16, a clamping piece 17 is arranged on the horizontal support 16 and near the peripheral surface of the polishing mechanism, a clamping slot is formed in the peripheral surface of the clamping piece 17 facing the polishing mechanism, and when the clamping slot is clamped with the peripheral surface of the polishing mechanism, the rotation of the polishing mechanism can be limited.
On the basis of the above embodiment, the polishing mechanism includes a case 18, a polishing driving assembly 21 and a grinding wheel 19, the case 18 is in a hollow structure, the polishing driving assembly 21 is disposed on the upper portion of the case 18, the grinding wheel 19 is disposed on the lower portion of the case 18 through a rotation shaft and extends to the outside of the case 18, and the polishing driving assembly 21 is in transmission connection with the rotation shaft.
Specifically, the box 18 is sleeved in the horizontal support 16 and penetrates through the hollow structure of the box, the polishing driving assembly 21 is a polishing motor, the upper portion in the box 18 is provided with the polishing motor, the output shaft of the polishing motor penetrates through the side portion of the box 18 and extends out of the box 18, the lower portion in the box 18 is provided with the transmission shaft 20, the end portion of the transmission shaft 20 penetrates through the side portion of the box 18 and extends out of the box 18, the grinding wheel 19 is rotatably sleeved on the transmission shaft 20, the grinding wheel 19 penetrates through the bottom of the box 18 and extends out of the box 18, and the output shaft of the polishing motor is in transmission connection with the transmission shaft 20 of the grinding wheel 19 through the transmission belt 22. When the grinding machine is used, the grinding motor is started, the output shaft of the grinding motor drives the transmission shaft 20 to rotate through the transmission belt 22 so as to drive the grinding wheel 19 sleeved on the transmission shaft 20 to rotate, and then the grinding operation of the grinding wheel 19 is realized.
On the basis of the embodiment, both sides of the horizontal support 16 are hinged between the two traversing supports 12, and a swinging driving assembly 23 is arranged between the horizontal support 16 and the traversing supports 12 to drive the polishing mechanism to swing left and right along the transverse direction.
Specifically, the bottoms of the two sideslip supports 12 are all provided with a swinging guide sleeve 24, two sides of the horizontal support 16 are both provided with swinging guide posts corresponding to the swinging guide sleeves 24, the swinging guide posts are rotatably sleeved in the swinging guide sleeve 24, the power end of the swinging driving assembly 23 is arranged on the sideslip support 12, and the output end of the swinging driving assembly is arranged on the horizontal support 16, so that the horizontal support 16 rotates at a certain angle relative to the sideslip support 12, the horizontal support 16 drives the polishing mechanism to swing left and right along the transverse direction, the polishing structure is arranged in a cradle frame design mode, the polishing mechanism deflects at a larger angle, polishing dead zones are further avoided, and polishing precision and polishing quality are improved.
Alternatively, the swing drive assembly 23 of the present application may be a hydraulic cylinder, an air cylinder, or an electric cylinder.
On the basis of the above embodiment, the locking mechanism 4 includes locking guide sleeves, locking guide posts 25 arranged along the transverse direction and connecting components, the two sides of the supporting frame 2 are respectively provided with the locking guide posts 25, each locking guide post 25 is respectively sleeved with a locking guide sleeve, and the connecting components are connected between the locking guide sleeves on the adjacent supporting frames 2.
Specifically, the two sides of each support frame 2 are respectively provided with a locking guide pillar 25, each locking guide pillar 25 is sleeved with a movable locking guide sleeve, the locking guide sleeves are expansion sleeves, the polishing units 3 move in the locking guide sleeves through the locking guide pillars 25, when the rail polishing device passes through the harmful turnout space, namely, each polishing unit 3 sequentially passes through the harmful turnout space, the locking guide sleeves on the adjacent polishing units 3 are expansion-tightened and are connected through a connecting component, so that the adjacent polishing units 3 do not transversely and relatively move, and the rail polishing device smoothly passes through the harmful turnout space.
On the basis of the above embodiment, the outside of the grinding wheel 19 is provided with a shield, and one end of the shield is connected with a grinding powder collecting device to realize collection of grinding powder.
In addition to the rail grinding device, the application also provides a turnout passing method which is applied to the rail grinding device, and the turnout passing method comprises the following steps:
controlling the rail polishing device to polish through a turnout, controlling the polishing unit to enter the curved rail from the straight rail, controlling the traversing mechanism to transversely move along the rail, driving the positioning mechanism of the polishing unit to contact with the inner side surface of the rail, and simultaneously driving the polishing mechanism of the polishing unit to move to the rail polishing position for polishing;
when adjacent polishing units pass through the harmful space of the turnout, the locking mechanism is controlled to lock the adjacent polishing units, the positioning mechanism of the front polishing unit falls into the harmful space, the positioning mechanism of the rear polishing unit contacts with the inner side surface of the steel rail, the positioning mechanism of the front polishing unit is controlled to continuously move to the steel rail and contact with the side surface of the steel rail, the positioning mechanism of the rear polishing unit falls into the harmful space, the positioning mechanism of the rear polishing unit is controlled to continuously move to the steel rail and contact with the side surface of the steel rail, the steel rail polishing device safely passes through the harmful space of the turnout and continuously polishes.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The rail polishing device and the turnout passing method provided by the application are described in detail. The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the application can be made without departing from the principles of the application and these modifications and adaptations are intended to be within the scope of the application as defined in the following claims.
Claims (10)
1. The utility model provides a rail grinding device, its characterized in that includes mounting bracket (1), two at least polishing units (3) and locking mechanical system (4), locking mechanical system (4) are connected in adjacent between polishing units (3) for prevent adjacent polishing units (3) take place relative movement along transversely, polishing units (3) include:
a support (2) vertically movably connected to the mounting frame (1);
the transverse moving mechanism is movably connected with the support frame (2) along the transverse direction;
the polishing mechanism is used for polishing the steel rail, is rotatably arranged on the traversing mechanism and is arranged below the supporting frame (2);
the positioning mechanism (5) is used for moving the polishing mechanism to the polishing position of the steel rail, the positioning mechanism (5) is arranged on the traversing mechanism, and the positioning mechanism (5) is arranged close to the side part of the polishing mechanism.
2. Rail grinding device according to claim 1, characterized in that the grinding unit (3) further comprises a pressing down mechanism comprising a vertical movement drive assembly (6), a link assembly and a clamping assembly;
the connecting rod assembly is hinged between the mounting frame (1) and the supporting frame (2), and the vertical movement driving assembly (6) is vertically connected between the mounting frame (1) and the supporting frame (2) and is used for driving the supporting frame (2) to vertically move;
one end of the clamping component is rotatably arranged on the supporting frame (2), and when the supporting frame (2) is required to stop moving, the other end of the clamping component is inserted into the mounting frame (1).
3. The steel rail polishing device according to claim 1, wherein the traversing mechanism comprises traversing driving components (15) and traversing supports (12) arranged vertically, the traversing supports (12) are arranged on two sides of the supporting frame (2), the polishing mechanism is arranged between the two traversing supports (12), the power end of the traversing driving components (15) is arranged on the supporting frame (2), and the output end of the traversing driving components is arranged on the traversing supports (12) horizontally so as to drive the polishing mechanism to move horizontally.
4. A rail grinding device according to claim 3, characterized in that the traversing mechanism further comprises a moving guide post (13) and a moving guide sleeve (14), the moving guide post (13) is arranged along the lateral direction and close to the side edge of the supporting frame (2), and the moving guide sleeve (14) is arranged at the end part of the traversing support (12) and is movably sleeved on the moving guide post (13).
5. A rail grinding device according to claim 3, characterized in that a horizontal support (16) with a hollow structure is arranged between the two traversing supports (12), the grinding mechanism is sleeved in the hollow structure, an adjustable clamping piece (17) is arranged on the horizontal support (16), and when the grinding mechanism needs to be locked, the clamping opening of the clamping piece (17) is clamped on the grinding mechanism.
6. The steel rail polishing device according to claim 5, wherein the polishing mechanism comprises a box body (18), a polishing driving assembly (21) and a polishing wheel (19), the box body (18) penetrates through the hollow structure, the polishing driving assembly (21) is arranged on the upper portion of the box body (18), the polishing wheel (19) is arranged on the lower portion of the box body (18) through a rotating shaft and extends out of the box body (18), and the polishing driving assembly (21) is in transmission connection with the rotating shaft.
7. Rail grinding device according to claim 6, characterized in that the outside of the grinding wheel (19) is provided with a protective cover, one end of which is connected with a grinding powder collecting device.
8. Rail grinding device according to claim 5, characterized in that the two sides of the horizontal support (16) are hinged between the two traversing supports (12), and a swinging driving assembly (23) is arranged between the horizontal support (16) and the traversing supports (12) to drive the grinding mechanism to swing left and right in the transverse direction.
9. Rail grinding device according to any one of claims 1 to 8, characterized in that the locking mechanism (4) comprises locking guide sleeves, locking guide posts (25) arranged in the transverse direction and connecting components, wherein the locking guide posts (25) are arranged on both sides of the supporting frame (2), the locking guide sleeves are sleeved on the locking guide posts (25), and the connecting components are connected between the locking guide sleeves on adjacent supporting frames (2).
10. A switch passing method, applied to a rail grinding apparatus as claimed in any one of claims 1 to 9, comprising:
controlling the rail polishing device to polish through a turnout, controlling the polishing unit to enter the curved rail from the straight rail, controlling the traversing mechanism to transversely move along the rail, driving the positioning mechanism of the polishing unit to contact with the inner side surface of the rail, and simultaneously driving the polishing mechanism of the polishing unit to move to the rail polishing position for polishing;
when adjacent polishing units pass through the harmful space of the turnout, the locking mechanism is controlled to lock the adjacent polishing units, the positioning mechanism of the front polishing unit falls into the harmful space, the positioning mechanism of the rear polishing unit contacts with the inner side surface of the steel rail, the positioning mechanism of the front polishing unit is controlled to continuously move to the steel rail and contact with the side surface of the steel rail, the positioning mechanism of the rear polishing unit falls into the harmful space, and the positioning mechanism of the rear polishing unit is controlled to continuously move to the steel rail and contact with the side surface of the steel rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311146601.9A CN117127445B (en) | 2023-09-06 | 2023-09-06 | A rail grinding device and a turnout passing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311146601.9A CN117127445B (en) | 2023-09-06 | 2023-09-06 | A rail grinding device and a turnout passing method |
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| Publication Number | Publication Date |
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| CN117127445A true CN117127445A (en) | 2023-11-28 |
| CN117127445B CN117127445B (en) | 2026-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311146601.9A Active CN117127445B (en) | 2023-09-06 | 2023-09-06 | A rail grinding device and a turnout passing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117842116A (en) * | 2024-01-09 | 2024-04-09 | 宁波清科增材技术有限公司 | Adaptive positioning mechanism and positioning method for track-enhanced vehicles traveling along tracks |
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| DE202006015507U1 (en) * | 2006-10-10 | 2006-11-30 | Leonhard Weiss Gmbh & Co. Kg | Machine for grinding railway track has a frame supported on four flanged wheels and with a tilt controlled grinding system |
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| Publication number | Publication date |
|---|---|
| CN117127445B (en) | 2026-01-20 |
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