CN111719362B - A frame orienting mechanism for sleeper mills processing of grinding - Google Patents
A frame orienting mechanism for sleeper mills processing of grinding Download PDFInfo
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- CN111719362B CN111719362B CN202010661123.5A CN202010661123A CN111719362B CN 111719362 B CN111719362 B CN 111719362B CN 202010661123 A CN202010661123 A CN 202010661123A CN 111719362 B CN111719362 B CN 111719362B
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- die head
- fixed clamping
- sleeper
- rack
- clamping jaw
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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
- E01B31/20—Working or treating non-metal sleepers in or on the line, e.g. marking, creosoting
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- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a rack orientation mechanism for sleeper milling and grinding, which comprises a rack main body, a first fixed clamping jaw group and a second fixed clamping jaw group, wherein the first fixed clamping jaw group is arranged at the front end of the rack main body, the second fixed clamping jaw group is arranged at the rear end of the rack main body, the first fixed clamping jaw group comprises two fixed clamping jaws which are arranged in a bilateral symmetry mode, the second fixed clamping jaw group comprises two fixed clamping jaws which are arranged in a bilateral symmetry mode, each fixed clamping jaw comprises a die head and a connecting part, the upper end of each connecting part is connected with the rack main body, the lower end of each connecting part is connected with the die head, and a fixing groove which is connected with a sleeper in a matched mode is arranged below the die head. After the structure is adopted, compared with the prior art, the track milling and grinding machine can match the rack main body with the sleepers, so that the front direction and the back direction of the rack deflect and attach to the bending direction of the track as far as possible, and a milling and grinding tool bit can be matched with the profile surface of each sleeper on the curved track to perform tool setting and milling and grinding in the process of advancing along the front direction and the back direction of the rack conveniently.
Description
Technical Field
The invention relates to the technical field of sleeper milling and grinding, in particular to a rack orientation mechanism for sleeper milling and grinding.
Background
The sleeper is one of railway fittings and mainly used for supporting a steel rail, maintaining the position of the steel rail and transmitting the huge pressure transmitted by the steel rail to a track bed. Among the existing railway tracks, especially high track way is mostly ballastless track, and the ride comfort is good, and stability is high. The sleeper on the ballastless track is made of reinforced concrete materials, and has higher stability and longer service life.
In practical situations, the geology is arched upwards due to stress changes, and the railway track is subjected to an uparching disease. Since railway tracks are sensitive to track reference heights, the horizontal height difference per kilometer needs to be controlled within 2 mm. Thus, small changes in the geological structure, which accumulate over time, easily exceed this limit height difference. This variation is even more pronounced, particularly in long tunnels. As long as the height difference exceeds the limit, the running speed of the high-speed rail needs to be reduced, and the running efficiency and the running safety are greatly influenced.
In order to solve the above problems, in the prior art, a milling device is used to mill the profile surface of the sleeper, and during the milling process of the sleeper, a milling cutter head can only move linearly along the front and rear directions of the rack to mill the profile surface of the sleeper on the linear rail. In actual working environments, however, the rails are not all straight rails, but curved rails are also possible, with the ties arranged along the extended curve of the rail, so that there is little deviation between the positions of the forward ties and the positions of the rearward ties. Therefore, the front and back directions of the rack are required to be attached to the bending direction of the track as much as possible, and the milling and grinding head can be conveniently matched with the profile surfaces of all sleepers on the curved track for tool setting and milling and grinding in the process of advancing along the front and back directions of the rack.
In view of the above, the applicant has made an intensive study to solve the above problems and has made the present invention.
Disclosure of Invention
The invention mainly aims to provide a rack orientation mechanism for sleeper milling, which can be used for matching a rack main body with sleepers, enabling the front and back directions of the rack to deflect and attach towards the bending direction of a track as far as possible, and facilitating the operation that a milling and grinding cutter head can be matched with the profile surfaces of all sleepers on a curved track to perform tool setting and milling and grinding in the process of advancing along the front and back directions of the rack.
In order to achieve the above purpose, the solution of the invention is:
the utility model provides a frame orienting mechanism for sleeper mills processing of grinding, includes the frame main part, wherein, still includes the first fixed clamping jaw group of establishing at frame main part front end to and establish the fixed clamping jaw group of second at frame main part rear end, first fixed clamping jaw group is including the fixed clamping jaw that two bilateral symmetry set up, the fixed clamping jaw that the second fixed clamping jaw group set up including two bilateral symmetry, fixed clamping jaw includes die head and connecting portion, the upper end and the frame main part of connecting portion are connected, the lower extreme and the die head of connecting portion are connected, the below of die head is equipped with the fixed slot of being connected with the sleeper cooperation.
Furthermore, the fixed slot has first arcwall face and the second arcwall face with the laminating of sleeper upper surface, first arcwall face is established in the die head and is close to the inboard one end of frame main part to first arcwall face extends and upwards arches gradually by the die head outside to die head middle part direction, the one end that the die head is close to the frame main part outside is established to the second arcwall face, the second arcwall face extends and upwards arches gradually by the die head outside to die head middle part direction.
Furthermore, one end, close to the inner side of the frame body, below the die head is provided with a horizontal binding surface, and the horizontal binding surface is connected with the first arc-shaped surface.
Further, connecting portion include servo motor, lead screw and screw-nut, the vertical setting of lead screw, the upper end and the power take off end of servo motor of lead screw are connected and the lower extreme is connected with the die head.
Further, the connecting part is rotatably connected with the die head.
Furthermore, the fixed clamping jaw further comprises a die head rotating shaft and an adapter, the upper end of the adapter is connected with the lower end of the connecting part, the lower end of the adapter is provided with a through hole, and the die head rotating shaft penetrates through the through hole and is rotatably connected with the adapter; the upper surface of die head is equipped with the mounting groove, be equipped with the connecting hole that runs through the die head setting on the lateral wall of the left and right sides of mounting groove, the both ends of die head axis of rotation are connected with the connecting hole rotation respectively.
The die head further comprises a die head fixing block which is connected in the mounting groove in an embedded mode, and the lower surface of the die head fixing block is provided with an upper matching groove for enabling a die head rotating shaft to be matched in an embedded mode and an abdicating hole for enabling the adaptor to penetrate through; the tank bottom of mounting groove is equipped with the lower cooperation groove that supplies die head axis of rotation embedding complex to and the groove of stepping down that supplies the adaptor embedding.
Furthermore, the fixed clamping jaw also comprises a connecting block and a die head guide post, the connecting block is connected below the frame main body, and the connecting block is provided with a first guide through hole which is vertically arranged in a penetrating manner and second guide through holes which are arranged on the left side and the right side of the first guide through hole and are symmetrically arranged relative to the first guide through hole; the feed screw nut penetrates through the first guide through hole, the upper end of the die head guide column extends into the second guide through hole to be connected in a sliding mode, and the lower end of the die head guide column is connected with the die head in a rotating mode.
After adopting above-mentioned structure, the during operation, with the first fixed clamping jaw group with the sleeper cooperation of second fixed clamping jaw group respectively with front side and rear side, because the frame main part is made by metal material and has certain metal elasticity, the frame main part can carry out small amplitude deformation, makes the front end of frame main part deflect towards orbital crooked direction, and the orientation deflects towards orbital crooked direction around the frame main part this moment, makes the orientation of frame main part laminate with orbital crooked direction as far as possible.
Compared with the prior art, the track adjusting device has the advantages that when the rack main body is matched with the sleepers, the front and back directions of the rack main body can be automatically adjusted, so that the front and back directions of the rack main body are attached to the bending direction of the track as much as possible, and a milling and grinding cutter head can be conveniently matched with the profile surface of each sleeper on the curved track to perform tool setting and milling and grinding in the process of advancing along the front and back directions of the rack. And when the curved track is milled and ground, the orientation of the main body of the frame does not need to be adjusted for multiple times, so that the processing time is saved, and the milling and grinding efficiency is improved.
Drawings
Fig. 1 is a perspective view of the external structure of the present invention.
Fig. 2 is a simplified schematic diagram of the present invention for adjusting the orientation of the main body of the rack on a curved track.
Fig. 3 is a perspective view of the external structure of the fixed clamping jaw.
Figure 4 is a cross-sectional view of the mechanism holding the jaws.
In the figure:
a frame main body-1; a first fixed jaw set-21; a second fixed jaw set-22;
a fixed clamping jaw-3; die-31; a fixing groove-311; a first arcuate face-312;
a second arcuate surface-313; a horizontal abutting surface-314; a connecting part-32; a servo motor-321;
a screw rod-322; a screw nut-323; die head rotating shaft-33; an adaptor-34;
mounting groove-35; a connecting hole-351; a lower mating groove-352; a abdicating groove-353;
die head fixing blocks-36; an upper mating groove-361; a relief hole-362; a connecting block-37;
a first guide through-hole-371; a second guide through-hole-372; die guide post-38;
a sleeper-91; tie base-92.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1-4, a rack orientation mechanism for sleeper milling includes a rack body 1, where the rack body 1 is a rectangular frame structure, and further includes a first fixed clamping jaw set 21 disposed at a front end of the rack body 1, and a second fixed clamping jaw set 22 disposed at a rear end of the rack body 1, where the first fixed clamping jaw set 21 positions a front end orientation of the rack body 1, and the second fixed clamping jaw set 22 positions a rear end orientation of the rack body 1. First fixed clamping jaw 3 group 21 includes the fixed clamping jaw 3 that two bilateral symmetry set up, and second fixed clamping jaw 22 includes the fixed clamping jaw 3 that two bilateral symmetry set up, and fixed clamping jaw 3 includes die head 31 and connecting portion 32, and the upper end and the frame main part 1 of connecting portion 32 are connected, and the lower extreme and the die head 31 of connecting portion 32 are connected, and the below of die head 31 is equipped with the fixed slot 311 of being connected with sleeper 91 cooperation.
After adopting above-mentioned structure, during operation, with first fixed clamping jaw group 21 and the cooperation of second fixed clamping jaw group 22 with sleeper 91 of front side and rear side respectively, because frame main part 1 is made by metal material and has certain metal elasticity, frame main part 1 can carry out small amplitude deformation, makes the front end of frame main part 1 deflect towards orbital crooked direction, and the orientation deflects towards orbital crooked direction around frame main part 1 this moment, makes the orientation of frame main part 1 around laminate with orbital crooked direction as far as possible.
Compared with the prior art, the tool setting and milling device has the advantages that when the rack main body 1 is matched with the sleepers 91, the front and back directions of the rack main body 1 can be automatically adjusted, so that the front and back directions of the rack main body 1 are attached to the bending direction of the rail as much as possible, and a milling cutter head can be conveniently matched with the profile surfaces of the sleepers 91 on the curved rail for tool setting and milling in the process of advancing along the front and back directions of the rack. And when the curved track is milled and ground, the orientation of the frame body 1 does not need to be adjusted for multiple times, so that the processing time is saved, and the milling and grinding efficiency is improved.
Preferably, because the upper surface of the left and right sides of sleeper 91 is the arcwall face, in order to make the fixed slot 311 and sleeper 91 cooperate and more closely laminate, the fixed slot 311 has the first arcwall face 312 and the second arcwall face 313 of laminating with the upper surface of sleeper 91, the one end that the die head 31 is close to the frame main part 1 inboard is established to first arcwall face 312, and first arcwall face 312 extends and upwards arches gradually to the die head 31 middle part direction by the die head 31 outside, the one end that the die head 31 is close to the frame main part 1 outside is established to the second arcwall face 313, the second arcwall face 313 extends and upwards arches gradually to the die head 31 middle part direction by the die head 31 outside. When the track is a curved track, the front end of the frame body 1 inclines and deviates towards the bending direction of the track, so that the fixing groove 311 of the fixing clamping jaw 3 at the front end of the frame body 1 cannot be completely attached and matched with the upper surface of the sleeper 91, and only the friction force generated by the local attaching surfaces between the first arc-shaped surface 312 and the second arc-shaped surface 313 and the upper surface of the sleeper 91 can be relied on to fix the fixing clamping jaw 3 and the sleeper 91, and the first arc-shaped surface 312 and the second arc-shaped surface 313 also have the function of guiding along the same trend, so that the fixing groove 311 can slide downwards to be embedded with the sleeper 91.
Preferably, sleeper base 92 is still equipped with in sleeper 91's below, the one end that the die head 31 below is close to frame body 1 inboard is equipped with horizontal binding face 314, horizontal binding face 314 is connected with first arcwall face 312, when fixed slot 311 and sleeper 91 fixed fit, horizontal binding face 314 and sleeper base 92's upper surface laminating, improve fixed slot 311 and sleeper 91's degree of cooperation, horizontal binding face 314 can produce frictional force with sleeper base 92's upper surface simultaneously, thereby prevent die head 31 and deflect, make die head 31 and sleeper 91 cooperation more firm.
Preferably, in order to drive the die head 31, the connecting portion 32 includes a servo motor 321, a screw rod 322 and a screw nut 323, the screw rod 322 is vertically disposed, an upper end of the screw rod 322 is connected to a power output end of the servo motor 321, and a lower end of the screw rod is connected to the die head 31. After the structure is adopted, the die head 31 is firstly moved to the upper end of the sleeper 91, the servo motor 321 drives the screw rod 322 to rotate relative to the screw rod nut 323, and therefore the die head 31 at the lower end of the screw rod 322 is driven to descend, and the fixing groove 311 is matched with the sleeper 91. And adopt motor drive, small, light in weight has higher transmission efficiency.
Preferably, the connection portion 32 is rotatably connected to the die head 31, and the die head 31 can be deflected forward and backward with respect to the connection portion 32 by adopting the above-mentioned structure, so that the orientations of the die head 31 and the fixing groove 311 can be flexibly adjusted, and the sleeper 91 can be more easily fitted into the fixing groove 311.
Preferably, in this embodiment, in order to rotatably connect the die head 31 and the connecting portion 32, the fixed jaw 3 further includes a die head rotating shaft 33 and an adaptor 34, an upper end of the adaptor 34 is connected to a power output end of the driving device, a through hole is formed at a lower end of the adaptor 34, and the die head rotating shaft 33 is inserted into the through hole and rotatably connected to the adaptor 34; the upper surface of die head 31 is equipped with mounting groove 35, is equipped with the connecting hole 351 that runs through the die head 31 setting on the lateral wall of the left and right sides of mounting groove 35, and the both ends of die head axis of rotation 33 are connected with the connecting hole 351 rotation respectively. With the above structure, in the process of adjusting the frame body 1, the die head 31 can rotate around the die head rotating shaft 33 with the axis of the die head rotating shaft 33 as the center.
In order to further fix the die head rotating shaft 33, the die head 31 further comprises a die head fixing block 36 which is connected in the mounting groove 35 in a fitting manner, the lower surface of the die head fixing block 36 is provided with an upper fitting groove 361 for the die head rotating shaft 33 to be matched in a fitting manner, and an abdicating hole 362 for the adaptor 34 to pass through; the bottom of the mounting groove 35 is provided with a lower fitting groove 352 into which the die rotation shaft 33 is fitted, and an escape groove 353 into which the adaptor 34 is fitted.
Preferably, the fixed jaw 3 further comprises a connecting block 37 and a die head guide column 38, the connecting block 37 is connected below the frame body 1, the connecting block 37 has a first guide through hole 371 vertically penetrating, and second guide through holes 372 arranged on the left and right sides of the first guide through hole 371 and symmetrically arranged relative to the first guide through hole 371; the power output end of the driving device passes through the first guide through hole 371, the upper end of the die head guide column 38 extends into the second guide through hole 372 to be connected in a sliding mode, and the lower end of the die head guide column 38 is connected with the die head 31 in a rotating mode. Specifically, the lower end of the die head guide column 38 is also provided with the adapter 34, and the adapter 34 is rotatably connected with the die head rotating shaft 33, so that the die head guide column 38 and the die head 31 can rotate relatively. With the structure, the die head 31 is more firmly installed and guided by the die head guide post 38, so that the die head 31 is more stable and smooth in the ascending and descending processes, and the die head 31 can be prevented from deflecting in the left and right directions.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (6)
1. A rack orientation mechanism for sleeper milling and grinding comprises a rack main body and is characterized by further comprising a first fixed clamping jaw group arranged at the front end of the rack main body and a second fixed clamping jaw group arranged at the rear end of the rack main body, wherein the first fixed clamping jaw group comprises two fixed clamping jaws which are arranged in bilateral symmetry, the second fixed clamping jaw group comprises two fixed clamping jaws which are arranged in bilateral symmetry, each fixed clamping jaw comprises a die head and a connecting part, the upper end of each connecting part is connected with the rack main body, the lower end of each connecting part is connected with the die head, and a fixing groove which is connected with a sleeper in a matched mode is arranged below the die head;
the fixing groove is provided with a first arc-shaped surface and a second arc-shaped surface, the first arc-shaped surface is attached to the upper surface of the sleeper, the first arc-shaped surface is arranged at one end, close to the inner side of the frame main body, of the die head, the first arc-shaped surface extends from the outer side of the die head to the middle direction of the die head and gradually arches upwards, the second arc-shaped surface is arranged at one end, close to the outer side of the frame main body, of the die head, and the second arc-shaped surface extends from the outer side of the die head to the middle direction of the die head and gradually arches upwards; one end, close to the inner side of the frame body, below the die head is provided with a horizontal binding surface, and the horizontal binding surface is connected with the first arc-shaped surface.
2. The rack orientation mechanism for sleeper milling as defined in claim 1, wherein the connecting portion comprises a servo motor, a lead screw and a lead screw nut, the lead screw is vertically disposed, an upper end of the lead screw is connected with a power output end of the servo motor and a lower end of the lead screw is connected with the die head.
3. A carriage orientation mechanism for sleeper milling as defined in claim 2 wherein the coupling portion is rotatably coupled to the die head.
4. The rack orientation mechanism for sleeper milling and grinding as claimed in claim 3, wherein the fixed clamping jaw further comprises a die head rotation shaft and an adapter, the upper end of the adapter is connected with the lower end of the connecting part, the lower end of the adapter is provided with a through hole, the die head rotation shaft is arranged in the through hole in a penetrating way and is rotatably connected with the adapter; the upper surface of die head is equipped with the mounting groove, be equipped with the connecting hole that runs through the die head setting on the lateral wall of the left and right sides of mounting groove, the both ends of die head axis of rotation are connected with the connecting hole rotation respectively.
5. The rack orientation mechanism for sleeper milling as defined in claim 4, wherein the die head further comprises a die head fixing block which is connected in an embedded manner in the mounting groove, the lower surface of the die head fixing block is provided with an upper matching groove for the die head rotating shaft to be matched in an embedded manner, and a abdicating hole for the adaptor to pass through; the tank bottom of mounting groove is equipped with the lower cooperation groove that supplies die head axis of rotation embedding complex to and the groove of stepping down that supplies the adaptor embedding.
6. The rack orientation mechanism for sleeper milling as defined in claim 5, wherein the fixed jaw further comprises a connecting block and a die head guide post, the connecting block is connected below the rack body, the connecting block has a first guide through hole vertically arranged therethrough and second guide through holes arranged on left and right sides of the first guide through hole and symmetrically arranged with respect to the first guide through hole; the feed screw nut penetrates through the first guide through hole, the upper end of the die head guide column extends into the second guide through hole to be connected in a sliding mode, and the lower end of the die head guide column is connected with the die head in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010661123.5A CN111719362B (en) | 2020-07-10 | 2020-07-10 | A frame orienting mechanism for sleeper mills processing of grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010661123.5A CN111719362B (en) | 2020-07-10 | 2020-07-10 | A frame orienting mechanism for sleeper mills processing of grinding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111719362A CN111719362A (en) | 2020-09-29 |
| CN111719362B true CN111719362B (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010661123.5A Active CN111719362B (en) | 2020-07-10 | 2020-07-10 | A frame orienting mechanism for sleeper mills processing of grinding |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10226407A1 (en) * | 2002-06-13 | 2003-12-24 | Boegl Max Bauunternehmung Gmbh | Method and device for producing a precise precast concrete part |
| CN201339155Y (en) * | 2008-12-30 | 2009-11-04 | 中铁十七局集团有限公司 | Concrete surface trimming machine among rail bearings |
| CN202099704U (en) * | 2011-05-19 | 2012-01-04 | 中铁二局股份有限公司 | Shoulder-free sleeper polishing device |
| CN102817292A (en) * | 2011-05-19 | 2012-12-12 | 中铁二局股份有限公司 | Shoulder-free sleeper polisher |
| CN103866662B (en) * | 2012-12-14 | 2015-09-16 | 昆明中铁大型养路机械集团有限公司 | The small-sized milling device of a kind of high speed non-fragment orbit |
| CN203270395U (en) * | 2012-12-14 | 2013-11-06 | 昆明中铁大型养路机械集团有限公司 | Small high-speed ballastless track milling equipment |
| CN208711764U (en) * | 2018-05-24 | 2019-04-09 | 东北林业大学 | A kind of automatic leveling experiment porch |
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- 2020-07-10 CN CN202010661123.5A patent/CN111719362B/en active Active
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