CN114310593A - Contact wire polisher of rigid contact net - Google Patents
Contact wire polisher of rigid contact net Download PDFInfo
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- CN114310593A CN114310593A CN202111638190.6A CN202111638190A CN114310593A CN 114310593 A CN114310593 A CN 114310593A CN 202111638190 A CN202111638190 A CN 202111638190A CN 114310593 A CN114310593 A CN 114310593A
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Abstract
The invention discloses a contact line polisher of a rigid contact net, which comprises a walking trolley mechanism, a polishing mechanism, an angle adjusting mechanism, a control mechanism, a pressure supply station and a power supply, wherein the walking trolley mechanism is arranged on the walking trolley mechanism; the pressure supply station adjusts the pressing force of the grinding mechanism on the contact line under the action of the control mechanism; the angle adjusting mechanism adjusts the polishing angle of the polishing mechanism according to the abrasion degree of the contact line; the angle adjusting mechanism comprises at least one angle adjusting unit, and the angle adjusting unit comprises a grinding unit fixing frame, an angle adjusting support piece, a guide rail assembly and a pressure cylinder; the angle adjusting support piece is provided with a fixed point, the lower end of the angle adjusting support piece is provided with an arc-shaped chute, and the polishing unit fixing frame locks the polishing unit fixing frame and the angle adjusting support piece after sliding in the arc-shaped chute to a set angle by taking the fixed point as a circle center; and the polishing sheet of the polishing mechanism polishes a sharp angle formed by the end surface of the contact line and the outer arc surface and a wearing plane of the contact line. The automatic grinding machine is high in automation degree, high in grinding efficiency and good in grinding effect.
Description
Technical Field
The invention relates to a contact line grinding machine in the technical field of urban rail power supply, in particular to a contact line grinding machine of a rigid contact network.
Background
In a rail transit power supply system, a rigid contact network is one of main traction power supply modes, and the rigid contact network, namely an overhead rigid suspension busbar system, is an urban rail transit power supply mode in which a contact line is clamped in a busbar and a locomotive is in direct contact with the contact line through a pantograph to obtain current. The system is mainly used for power supply of tunnels, stations and underbridge channels, and has a series of advantages of stronger current carrying capacity, no disconnection danger, high safety and reliability, fewer parts, convenience in installation, simplicity in maintenance, low maintenance cost, reduction in tunnel clearance, saving in civil engineering investment and the like compared with the traditional overhead flexible contact network.
Because the locomotive of the rigid contact net obtains current through the friction between the pantograph and the contact line, the uneven loss of the contact line of the rigid contact net is the problem of concentrated reaction in the operation and maintenance process, and in the operation process of a train, the uneven wear of the contact line and the pantograph can be caused due to the influence of factors such as the swing of a vehicle, the vibration of the pantograph and the like, so that the surface of the locomotive is not smooth and uneven. If the contact line is not replaced or polished in time, the abrasion of the contact line and the pantograph is aggravated, the operation and maintenance cost is increased, the train operation is influenced under the severe condition, and the operation of the whole line is further influenced.
Aiming at the phenomenon of abnormal wear of the contact wire, the operation period is influenced and the cost is extremely high by directly replacing the contact wire. In order to avoid negative influence on the running of the electric bus, the grinding of the contact line becomes a main maintenance means, the smooth surface of the contact line is ensured through grinding, and abnormal abrasion is relieved. However, no professional polishing equipment is available on the market at present, the contact line polishing mode of each operation company is mainly manual polishing, a large amount of manpower investment is needed, the operation intensity is very high, the polishing efficiency is low, potential safety hazards exist in the high-altitude operation of people, and meanwhile, the health of a large amount of metal particles and dust generated in the polishing process can be seriously influenced.
In order to solve the above existing problems, an efficient, convenient and safe contact line grinding machine needs to be sought.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a contact line polisher for a rigid contact net, which is novel in design, high in automation degree, simple to operate, high in polishing efficiency, good in polishing effect, safe and environment-friendly, and aims to overcome the defects of the prior art.
The technical scheme is as follows: the contact line polisher for the rigid contact net comprises a traveling trolley mechanism, a polishing mechanism, an angle adjusting mechanism, a control mechanism, a pressure supply station and a power supply;
the pressure supply station adjusts the pressing force of the grinding mechanism on the contact line under the action of the control mechanism; the angle adjusting mechanism adjusts the polishing angle of the polishing mechanism according to the abrasion degree of the contact line;
the angle adjusting mechanism comprises at least one angle adjusting unit, and the angle adjusting unit comprises a grinding unit fixing frame, an angle adjusting support piece, a guide rail assembly and a pressure cylinder; the angle adjusting support piece is provided with a fixed point, the lower end of the angle adjusting support piece is provided with an arc-shaped chute, and the polishing unit fixing frame locks the polishing unit fixing frame and the angle adjusting support piece after sliding in the arc-shaped chute to a set angle by taking the fixed point as a circle center;
and the polishing sheet of the polishing mechanism polishes a sharp angle formed by the end surface of the contact line and the outer arc surface and a wearing plane of the contact line.
The pressure cylinder pushes the guide rail assembly to move through the angle adjusting support piece.
The walking trolley mechanism comprises a side plate assembly, a supporting beam, a suspension walking assembly and a V-groove walking assembly; the suspension walking component rolls on the upper end face of the bus bar, and the V-groove walking component is attached to the lower end face of the bus bar. The side plate assembly comprises a frame left side plate and a frame right side plate, and the frame left side plate and the frame right side plate are connected in a supporting mode through a supporting cross beam.
The suspension walking assembly comprises suspension walking wheels and a suspension walking wheel adjusting device, and the suspension walking wheel adjusting device is connected with the suspension walking wheels through the side plate assembly. The two pairs of suspension traveling wheels roll on the upper end surface of the edge of the bus bar, and play a role in suspending and supporting the traveling trolley.
The foundation of the suspension travelling wheel adjusting device is fixed on the two side plates through bolts, and the connecting screw penetrates through the holes in the two side plates to be connected with the suspension travelling wheels. When the trolley is assembled and disassembled, the connecting screw rods are rotated to different directions at two sides through the tool so as to adjust the positions of the suspension travelling wheels and the inner sides of the side plates.
The V-groove walking assembly comprises V-groove walking wheels and a V-groove walking wheel adjusting device, and the V-groove walking wheel adjusting device is connected with the V-groove walking wheels through the side plate assembly. The two pairs of V-groove traveling wheels are attached to the V-groove shape of the lower end face of the edge of the busbar, and play a role in limiting and guiding the traveling trolley.
The foundation of the V-groove walking wheel adjusting device is also fixed on the side plates through bolts, and the adjusting screw rods penetrate through holes in the two side plates to be connected with the V-groove walking wheels. When the trolley is installed, the adjusting screw rods are rotated to different directions of two sides through tools so as to finely adjust the positions of the V-groove traveling wheels and the inner sides of the side plates, the V-groove traveling wheels are guaranteed to be attached to the bus bar, and meanwhile, the V-groove traveling wheels are flexible and free from clamping stagnation in the rolling process.
The grinding mechanism comprises a plurality of grinding units, and each grinding unit comprises a motor, a grinding sheet fixing and driving device and a dust baffle; the polishing piece polishes the sharp angle between the lower end face of the contact line and the outer arc face or the abrasion plane of the contact line.
One end of the dust baffle is fixed on the angle adjusting support piece, and the other end of the dust baffle extends to the outer side of the polishing piece.
The polishing unit fixing frame is provided with angle scale marks.
The control mechanism comprises a unit pressure cylinder action button, a polishing sheet rotating speed regulating valve, a total digital pressure regulating valve, a unit digital pressure regulating valve, a control cable and a pressure conveying pipe; the unit digital pressure regulating valve conveys pressure to the pressure cylinder through a pressure conveying pipe, and the polishing sheet rotating speed regulating valve controls the rotating speed of the polishing sheet through a control cable.
The total digital pressure regulating valve controls the total pressure, the unit digital pressure regulating valves respectively control the pressure of each unit pressure cylinder, and the pressure control medium is respectively conveyed to each unit digital pressure regulating valve after passing through the total digital pressure regulating valves and then is respectively conveyed to the pressure cylinder of each unit by the pressure conveying pipe.
The invention also includes a pulling apparatus for performing a pulling sanding operation.
Has the advantages that: compared with the prior art, the invention has the following advantages:
(1) the travelling trolley mechanism is provided with two pairs of suspension travelling wheels and two pairs of V-groove travelling wheels, the suspension travelling wheels and the V-groove travelling wheels are respectively provided with an adjusting device, the convenience of installation and adjustment is guaranteed, after the adjustment is completed, the V-groove travelling wheels are attached to the V-groove shape of the lower end face of the edge of the busbar, the vertical movement and the left-right movement in the polishing process are prevented, and the polishing quality is guaranteed.
(2) The polishing unit comprises an electric control mechanism and a pneumatic control mechanism, so that semi-automatic control of the traction and polishing processes is realized, manual operation is reduced, productivity is liberated, labor intensity is reduced, and safety is good.
(3) Three independent pressure cylinders in the angle adjusting mechanism provide continuous pressure to press the grinding sheet onto the contact line, and meanwhile, the abrasion of the grinding sheet is compensated; meanwhile, the three independent pressure cylinders are controlled by three corresponding unit digital pressure regulating valves, so that the pressing force of the polishing sheet is accurately regulated, and the polishing precision and efficiency are improved. And the rotating speed of the polishing sheet is controlled by the rotating speed regulating valve of the polishing sheet so as to realize controllable and adjustable polishing quality.
(4) The grinding mechanism comprises three independent angle adjusting mechanisms, and grinding angles are matched according to the model of the contact line and the abrasion degree, so that the grinding quality of the sharp corners at the edges is guaranteed, and the matching adaptability is strong.
(5) The electric control and pneumatic control elements are integrated in a control box, and the control unit is separated from the execution unit, so that the operation and maintenance are convenient.
(6) The automatic polishing machine is simple to operate, low in labor intensity, good in safety, good in polishing effect and high in polishing efficiency.
Drawings
FIG. 1 is a left side view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is an isometric view of the present invention;
FIG. 5 is a diagram of the arrangement of the components inside the control box of the present invention;
figure 6 is a cross-sectional view of a contact line to be polished according to the present invention.
Detailed Description
The contact line polisher for the rigid contact line comprises a traveling trolley mechanism 10, a polishing mechanism 20, an angle adjusting mechanism 30, a control mechanism 40, a pressure supply station 50 and a power supply 60. The pressure supply station adjusts the pressing force of the grinding mechanism on the contact line 702 under the action of the control mechanism; the angle adjusting mechanism adjusts the polishing angle of the polishing mechanism according to the abrasion degree of the contact line of the rigid suspension contact network 70.
The running trolley mechanism 10 comprises a side plate assembly, a supporting beam 105, a suspension running assembly and a V-groove running assembly, wherein the suspension running assembly rolls on the upper end face of a bus bar 701, and the V-groove running assembly is attached to the lower end face of the bus bar.
The suspension running assembly comprises suspension running wheels 103 and a suspension running wheel adjusting device 106 connected with the suspension running wheels through the side plate assembly.
The V-groove walking assembly comprises V-groove walking wheels 104 and a V-groove walking wheel adjusting device 107, and the V-groove walking wheel adjusting device is connected with the V-groove walking wheels through a side plate assembly.
The side plate assembly comprises a base frame left side plate 102 and a base frame right side plate 101, and the frame left side plate 102 and the frame right side plate 101 are in supporting connection through a plurality of supporting cross beams 105. The left side plate and the right side plate are respectively provided with a mounting handle 108.
The running trolley mechanism is provided with two pairs of suspension running wheels 103 and two pairs of V-groove running wheels 104. Two pairs of suspension traveling wheels 103 and two pairs of V-groove traveling wheels 104 are symmetrically arranged, a pair is respectively arranged at the front end and the rear end of the trolley, and the two pairs of suspension traveling wheels 103 roll on the upper end surface of the edge of the bus bar to suspend and support the trolley. The two pairs of V-groove traveling wheels 104 are attached to the V-groove shape of the lower end face of the edge of the bus bar, and play a role in limiting and guiding the traveling trolley.
The base of the suspension travelling wheel adjusting device is fixed on the side plate assembly, and the connecting screw rod passes through the holes on the two side plates to be connected with the suspension travelling wheel 103. When the trolley is loaded and unloaded, the connecting screw rod is rotated towards the left and the right by a tool in different directions so as to adjust the positions of the suspension travelling wheels 103 and the inner sides of the two side plates.
The base of the V-groove running wheel adjusting device 107 is also fixed to the side plate assembly and the adjusting screw passes through a hole in the side plate assembly to connect with the V-groove running wheel 104. When the trolley is installed, the adjusting screw rod is rotated towards the left side and the right side through the tool in different directions so as to finely adjust the positions of the V-groove traveling wheel 104 and the inner side of the side plate, the V-groove traveling wheel 104 is guaranteed to be attached to the busbar, and meanwhile, the V-groove traveling wheel is flexible and free of clamping stagnation in the rolling process.
The frame left side plate 102 and the frame right side plate 101 are provided with traction ring fixing holes, and the traction rings are arranged so as to facilitate traction movement operation by means of external force.
The grinding mechanism comprises three grinding units, and each grinding unit comprises a motor, a protective cover shell 201, a grinding piece 202, a grinding piece fixing and transmission device 203 and a dust baffle 204. The motor and protective housing 201 and the polishing pad holding and driving device 203 are connected as a whole to directly transmit the power of the motor to the polishing pads, which constitute the polishing unit together with the polishing pads 202.
The three polishing units polish the contact line from different angles, the No. 1 polishing unit 21 is positioned at the rear end of the right side plate of the walking trolley, and a polishing piece of the No. 1 polishing unit is tightly attached to a sharp angle c formed by the lower end surface of the contact line and an outer arc surface for polishing; the No. 2 polishing unit 22 is positioned at the rear end of the left side plate of the walking trolley, and a polishing sheet of the No. 2 polishing unit is tightly attached to a sharp angle a formed by the lower end surface of the contact line and the outer arc surface for polishing; and the No. 3 grinding unit 23 is positioned at the front end of the left side plate of the walking trolley, and the grinding sheet is tightly attached to the lower end abrasion plane b of the contact line for grinding.
The three units of polishing all are equipped with dust baffle 204, and on dust baffle one end was fixed in angle modulation support piece through the bolt, the other end extended to the polishing piece border outside, prevented that the polishing piece from throwing away the dust of polishing and flying to the left and right sides of walking the dolly. The three polishing units are provided with dust baffles and are respectively fixed on the side plates of the trolley.
The angle adjusting mechanism 30 is matched with the polishing mechanism 20, and comprises three angle adjusting units, and each angle adjusting mechanism comprises a polishing unit fixing frame 301, an angle adjusting support member 302, a guide rail assembly, a pressure cylinder 303 and a pressure cylinder fixing plate 306. The rail assembly includes a rail 304 and a rail slider 305.
The polishing unit fixing frame is fixed on the angle adjusting support piece 302, a fixing point is arranged at the upper end of the angle adjusting support piece 302, an arc sliding groove is formed in the lower end of the angle adjusting support piece 302, the polishing unit fixing frame slides in the arc sliding groove by taking the fixing point at the upper end as a circle center, and the polishing unit fixing frame and the angle adjusting support piece 302 are locked after sliding to a corresponding angle. The polishing unit fixing frame is provided with angle scale marks, and the angle adjusting support piece 302 is provided with a scale mark observation window.
The guide rails 304 are secured to the side panel assemblies in a vertical orientation. The guide rail slider 305 is slidably connected to the guide rail 304 and is slidable in the vertical direction. The angle adjusting support 302 is fixed to the rail block 305.
The cylinder retaining plate 306 is secured to the side plate perpendicular to the side plate face. The pressure cylinder is fixed to a pressure cylinder fixing plate 306, and the top end of the actuating rod of the pressure cylinder is connected to the angle adjusting support 302, thereby pushing the rail block 305 to move in the vertical direction.
The control mechanism 40 includes a control box 406, a one-to-one unit cylinder operating button 401, a polishing blade revolution speed adjusting valve 402, a power supply main switch 403, a total digital pressure adjusting valve 404, a unit digital pressure adjusting valve 405, a control cable 407, and a pressure feed pipe 408. The unit pressure cylinder action button 401 controls the pressure cylinder to move up and down, and the polishing sheet is convenient to replace after being lowered.
The unit pressure cylinder action buttons 401, the grinding sheet rotating speed regulating valve 402, the power main switch 403, the total digital pressure regulating valve 404 and the unit digital pressure regulating valve 405 are integrated on the control box shell. Sanding block rotational speed adjustment valve 402 controls the rotational speed of the sanding block via a control cable.
The total digital pressure regulating valve 405 controls the total pressure, the unit digital pressure regulating valves control the pressures of the three unit pressure cylinders respectively, and the pressure control medium is conveyed to the three unit digital pressure regulating valves respectively after passing through the total digital pressure regulating valves and then conveyed to the pressure cylinders of the three units respectively through the pressure conveying pipes. The pressure supply station comprises a supply station body and a pressure supply tube providing a pressure source for the mechanism. The power supply comprises a power supply body and a power cable, and is a power supply of the mechanism.
The pressure supply station comprises a supply station body 501 and a pressure supply tube 502 providing a pressure source for the present invention.
On the basis of the technical scheme, the scheme is improved by adding the electric traction equipment and fully automatically carrying out traction grinding operation.
On the basis of the technical scheme, the scheme is improved by adding automatic dust suction equipment and automatically collecting the polished dust.
Claims (10)
1. The utility model provides a contact wire polisher of rigidity contact net which characterized in that: comprises a walking trolley mechanism, a polishing mechanism, an angle adjusting mechanism, a control mechanism and a pressure supply station;
the pressure supply station adjusts the pressing force of the grinding mechanism on the contact line under the action of the control mechanism; the angle adjusting mechanism adjusts the polishing angle of the polishing mechanism according to the abrasion degree of the contact line;
the angle adjusting mechanism comprises at least one angle adjusting unit, and the angle adjusting unit comprises a grinding unit fixing frame, an angle adjusting support piece (302), a guide rail assembly and a pressure cylinder (303); a fixed point is arranged on the angle adjusting support piece (302), an arc-shaped sliding groove is arranged at the lower end of the angle adjusting support piece, and the polishing unit fixing frame slides in the arc-shaped sliding groove to a set angle by taking the fixed point as a circle center and then locks the polishing unit fixing frame and the angle adjusting support piece;
and the polishing sheet of the polishing mechanism polishes a sharp angle formed by the end surface of the contact line and the outer arc surface and a wearing plane of the contact line.
2. The contact line polisher for the rigid catenary of claim 1, wherein: the pressure cylinder (303) pushes the guide rail assembly to move through the angle adjusting support (302).
3. The contact line polisher for the rigid catenary of claim 1, wherein: the walking trolley mechanism comprises a side plate assembly, a supporting beam, a suspension walking assembly and a V-groove walking assembly; the suspension walking component rolls on the upper end face of the bus bar, and the V-groove walking component is attached to the lower end face of the bus bar.
4. The contact line polisher for a rigid catenary of claim 3, further comprising: the suspension travelling assembly comprises suspension travelling wheels (103) and a suspension travelling wheel adjusting device (106), and the suspension travelling wheel adjusting device is connected with the suspension travelling wheels through a side plate assembly.
5. The contact line polisher for a rigid catenary of claim 3, further comprising: the V-groove walking assembly comprises V-groove walking wheels (104) and a V-groove walking wheel adjusting device (107), and the V-groove walking wheel adjusting device is connected with the V-groove walking wheels through a side plate assembly.
6. The contact line polisher for the rigid catenary of claim 1, wherein: the grinding mechanism comprises a plurality of grinding units, and each grinding unit comprises a motor, a grinding sheet (202), a grinding sheet fixing and transmission device (203) and a dust baffle (204); and the polishing sheet polishes a sharp corner between the lower end surface of the contact line and the outer arc surface or a wear plane of the contact line.
7. The contact line polisher for the rigid catenary of claim 6, further comprising: one end of the dust baffle (204) is fixed on the angle adjusting support (302), and the other end extends to the outer side of the polishing plate (202).
8. The contact line polisher for the rigid catenary of claim 1, wherein: and angle scale marks are arranged on the polishing unit fixing frame.
9. The contact line polisher for the rigid catenary of claim 1, wherein: the control mechanism (40) comprises a unit pressure cylinder action button (401), a grinding piece rotating speed adjusting valve (402), a total digital pressure adjusting valve (404), a unit digital pressure adjusting valve (405), a control cable (407) and a pressure conveying pipe (408); the unit digital pressure regulating valve (405) transmits pressure to the pressure cylinder (303) through a pressure transmission pipe; the unit cylinder action button (401) controls the lifting of the polishing plate by controlling the pressure cylinder.
10. The contact line polisher for the rigid catenary of claim 1, wherein: also included is a pulling apparatus for performing the pulling sanding operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111638190.6A CN114310593A (en) | 2021-12-29 | 2021-12-29 | Contact wire polisher of rigid contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111638190.6A CN114310593A (en) | 2021-12-29 | 2021-12-29 | Contact wire polisher of rigid contact net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114310593A true CN114310593A (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111638190.6A Pending CN114310593A (en) | 2021-12-29 | 2021-12-29 | Contact wire polisher of rigid contact net |
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| Country | Link |
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| CN (1) | CN114310593A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986343A (en) * | 2022-06-29 | 2022-09-02 | 成都西交轨道交通技术服务有限公司 | Rigid contact line rapid polishing system and method |
-
2021
- 2021-12-29 CN CN202111638190.6A patent/CN114310593A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986343A (en) * | 2022-06-29 | 2022-09-02 | 成都西交轨道交通技术服务有限公司 | Rigid contact line rapid polishing system and method |
| CN114986343B (en) * | 2022-06-29 | 2024-02-06 | 成都西交轨道交通技术服务有限公司 | Rapid polishing system and method for rigid contact line |
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Address after: 211100 No. 719, Sheng'an Avenue, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu Province Applicant after: Nanjing Wuhua Electrical Equipment Co.,Ltd. Applicant after: Shanghai Tiesheng automation equipment Co.,Ltd. Address before: 211161 No. 719, Sheng'an Avenue, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu Province Applicant before: NANJING JINCHENG RAIL TRANSPORT EQUIPMENT Co.,Ltd. Applicant before: Shanghai Tiesheng automation equipment Co.,Ltd. |