CN114211339A - Rigid contact line polishing device - Google Patents
Rigid contact line polishing device Download PDFInfo
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- CN114211339A CN114211339A CN202111453936.6A CN202111453936A CN114211339A CN 114211339 A CN114211339 A CN 114211339A CN 202111453936 A CN202111453936 A CN 202111453936A CN 114211339 A CN114211339 A CN 114211339A
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- 238000005498 polishing Methods 0.000 title claims abstract description 99
- 238000003825 pressing Methods 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 244000137852 Petrea volubilis Species 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
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- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0007—Movable machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention provides a polishing device for a rigid contact net, which is used for automatically polishing a contact line and comprises a frame body, wherein two pairs of guide wheels are arranged on two sides of the upper end of the frame body; the lower end of the frame body is provided with at least one polishing wheel, the polishing wheel is parallel to a rotating shaft of the guide wheel and is connected with an output shaft of the motor, the polishing wheel polishes a contact line at the lower end of the bus bar, and the frame body is driven to move on the bus bar through the rotation of the polishing wheel. The labor is reduced, the time is saved, the grinding and polishing quality is improved, compared with an original construction method, the rigid contact net grinding device can realize automatic grinding, the construction difficulty is greatly reduced, the safety is higher, and the working efficiency is higher.
Description
Technical Field
The invention relates to the technical field of urban rail power supply, in particular to a rigid contact net grinding and polishing device.
Background
Rigid contact net hangs the form as low headroom overhead contact net, introduces the use from foreign country to Guangzhou subway second order line operation for the first time in 2003, because its simple structure, the maintenance of being convenient for, and showed good performance in the operation of many years, in recent years by each big city wide use.
In actual operation, the phenomena of poor elasticity of local sections, high contact line abrasion rate and uneven abrasion of rigid contact networks often occur, and the problem of irregular abrasion of pantograph carbon slide plates of electric buses also occurs. The irregular abrasion of the carbon sliding plate aggravates the uneven abrasion of the contact line, worsens the bow net relationship and causes serious influence on the safe operation of the subway.
Contact wire is polished to be the most effective bow net relation at present and deals with the measure, and the cover surface of polishing should maximize, concentrates in the short time and accomplishes the whole line and polish, ensures that the contact net can reach the good technical state of no burr, no rough surface, no sharp arris in the shortest time whole line. The contact net can not be timely and comprehensively repaired in an overlong polishing period, the polishing and repairing speed of the line surface of the contact line is far lower than the damage speed, the effect of optimizing the bow net relation in the aspect of the contact net cannot be realized, and the repeated condition is easy to occur.
At present, two traditional schemes of polishing and burnishing a contact line of a rigid contact net are provided, wherein the first scheme is that manual sand paper is adopted for polishing, and the second scheme is that a nylon polishing wheel is matched with an electric device for manual polishing.
The manual sand paper grinding method adopts two kinds of thick and thin sand paper to grind a contact line along the line direction, an operator uses the thick sand paper to grind the cutting, burr and arc drawing parts of the contact line, and the thin sand paper polishes the contact line. The polishing machine has the advantages of fine polishing and low material cost; the polishing machine has the disadvantages that a large amount of manpower is required to be input, the operation intensity is high, the operation efficiency is low, potential safety hazards exist, for example, burrs generated by contact wires can scratch operators, and the health of the operators can be seriously damaged by a large amount of metal particles and dust generated in the polishing process.
The method for manually polishing by matching a nylon polishing wheel with an electric device adopts a handheld rechargeable polishing machine to replace sand paper for polishing, and is characterized in that the polishing speed is high, and the efficiency is improved compared with the former; the defects are that the machine is heavy, the height and the force of hand-held grinding are difficult to control, and if the operation is improper, the surface damage of a contact wire can be caused, and the personal injury can also be caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and fill up the technical gap, thereby providing a polishing device for polishing the line surface of a rigid contact line and solving the problem of abnormal wear of the contact line.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a rigidity contact net burnishing and polishing device which characterized in that: comprises a frame body and a plurality of supporting legs,
two pairs of guide wheels are arranged at the upper end of the frame body, a positioning wheel is arranged below each pair of guide wheels, and a clamping part for clamping the busbar is formed by the wheel surfaces of the guide wheels and the positioning wheels;
the lower end of the frame body is provided with at least one polishing wheel, the polishing wheel is parallel to a rotating shaft of the guide wheel and is connected with an output shaft of the motor, the polishing wheel polishes a contact line at the lower end of the bus bar, and the frame body is driven to move on the bus bar through the rotation of the polishing wheel.
Further, the support body includes two risers of relative setting, and the both ends of two risers are connected through first bracing piece, install the locating wheel on the first bracing piece.
Furthermore, pressing plates are respectively arranged at the tops of the two vertical plates, and L-shaped processing plates are arranged on the lower surfaces of the pressing plates;
guide wheels are installed on the opposite side faces of the two L-shaped processing plates, guide wheel pressing plates and limiting rods are arranged on the outer sides of the L-shaped processing plates, and the limiting rods penetrate through the guide wheel pressing plates and the L-shaped processing plates and are connected with the guide wheels;
a spring is sleeved outside the limiting rod;
the circumferential surface of the limiting rod is rotatably connected with a limiting pin; the guide wheel pressing plate is provided with a clamping groove matched with the limiting pin, and the limiting rod is rotated to clamp the limiting pin into the clamping groove.
Further, the motor is arranged on the outer sides of the two vertical plates, a chuck is arranged on an output shaft of the motor, and the chuck is connected with the polishing wheel through a coupler.
Furthermore, the side edge of the vertical plate is provided with an adjusting hole; and the adjusting bolt sequentially penetrates through the mounting hole and the adjusting hole on the motor and then is connected with the coupler. .
Furthermore, a dust cover is arranged on the motor, and a plurality of through holes are formed in the longitudinal side face of the dust cover.
Furthermore, each first supporting rod is provided with two positioning wheels, and the wheel surfaces of the positioning wheels are embedded into the grooves at the lower parts of the busbars to position the busbars; the positioning wheel is made of a high-molecular polyethylene material;
the vertical plates at the lower ends of the two first supporting rods are connected through the two second supporting rods.
Further, the polishing wheel is a nylon polishing wheel, and the motor is a direct current motor and is powered by a direct current battery; the motor is provided with a remote start-stop switch module and an overcurrent protection module;
preferably, the number of the grinding wheels is 4.
Furthermore, an insulating rubber pad is arranged at the joint of the motor and the frame body.
Further, the frame body is processed by an anodized aluminum material.
The invention has the beneficial effects that:
1. the invention solves the technical defects of an urban rail power supply system, and no device capable of automatically grinding and polishing a rigid contact network exists in the current market. The pantograph carbon slide plate wear rate of the pantograph carbon slide plate is 139 mm/kilometer when the pantograph carbon slide plate is abnormally worn, and the wear rate of the pantograph carbon slide plate can be reduced to 0.6 mm/kilometer within 7 days after the rigid contact net is polished by using the pantograph carbon slide plate wear rate reduction device, so that the replacement period of the pantograph carbon slide plate and the contact line is prolonged, and the subway operation cost is effectively reduced;
2. the automatic contact line polishing device is provided with a walking mechanism, the walking mechanism is arranged on a rigid contact line busbar, and a polishing mechanism drives a guide wheel to slide on a rigid contact line busbar slideway at a speed of 5km/h when in work, so that the contact line is automatically polished and polished. Compared with the speed of manually polishing for 2km/h, the working efficiency is improved by more than 2 times, and the polishing quality is improved by more than 3 times, so that the working time can be greatly reduced, the polishing speed is improved, the manual operation is reduced, the polishing working strength is reduced, and the problem of high polishing difficulty of a rigid contact line is solved;
3. the invention is provided with a grinding mechanism, 4 direct current motors are utilized to drive 4 grinding wheels to rotate, the effects of grinding and polishing the line surface of the rigid contact line are achieved, and compared with the traditional rigid contact line grinding scheme, the problems of low grinding efficiency and poor precision are solved;
4. in the process of grinding and polishing the contact wire, an operator does not need to touch the contact wire, and meanwhile, the contact between metal and dust and the operator can be effectively reduced by scientifically designing the structure. The operation risk of operators is greatly reduced, and the potential safety hazard in the operation process is reduced.
5. The invention is provided with the adjusting hole, can adjust the working state of the motor and the nylon wheel polishing wheel, unifies the polishing standard of the rigid contact net, realizes the fine adjustment of the polishing degree of the contact line, and improves the polishing precision.
6. The bus bar is provided with the limiting rod and the limiting pin, the working position of the limiting pin is changed by adjusting the limiting rod, the polishing device can be quickly installed and fixed on the bus bar, when the polishing device is dismounted, the polishing device can be quickly dismounted from the bus bar by adjusting the limiting rod, the working efficiency can be greatly improved, and the working time can be saved.
7. The grinding device is used for grinding along the direction of the bus drainage, is consistent with the travelling direction of an electric bus, can reduce the friction between the pantograph carbon slide plate and the contact line, can effectively remove burrs, cutting and burning traces of the contact line compared with a grinding mode along the direction vertical to the bus, realizes the simultaneous grinding of edges and corners on two sides of a line surface of the contact line, repairs the contact line to the greatest extent, effectively improves the pantograph-catenary relationship, and quickly reduces the pantograph-catenary abrasion.
8. The motor is provided with a remote control start-stop switch module and an overcurrent protection module, wherein the remote control start-stop switch is matched with a remote controller to control the motor to rotate, so that the automatic work of the polishing device is realized, and the overcurrent protection module plays a role in protecting the motor from being burnt due to overlarge current;
9. the motor is provided with the insulating rubber pad, so that vibration is reduced when the motor rotates, and the motor is enabled to output stably;
drawings
The invention is further described with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the general structure of the invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is an internal cross-sectional view of the present invention;
FIG. 6 is a schematic view of the present invention mounted in mating relationship with a rigid catenary busbar;
FIG. 7 is an enlarged view of a ground contact line profile in the vertical direction of the busbar;
FIG. 8 is an enlarged view of a ground contact line plane in the horizontal direction of the flow-joining and drainage;
in the figure: the device comprises a frame body-1, a vertical plate-101, a pressing plate-102, an L-shaped processing plate-103, a first supporting rod-2, a grinding wheel-3, a motor-4, a chuck-5, a coupler-6, a second supporting rod-7, a dust cover-8, a positioning wheel-9, a guide wheel-10, a guide wheel pressing plate-11, a limiting rod-12, a limiting pin-13, a spring-14, an adjusting hole-15, an adjusting bolt-16, a busbar-17 and a contact line-18.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 6, the invention is a rigid catenary polishing device, which is used for automatically polishing contact lines. The device comprises a frame body 1, wherein two pairs of guide wheels 10 are arranged at the upper end of the frame body 1, a positioning wheel 9 is arranged below each pair of guide wheels 10, and the wheel surfaces of the guide wheels 10 and the positioning wheels 9 form a clamping part for clamping a busbar 17; the guide wheel 10 is connected with the side surface of the bus bar 17 in a sliding way;
the lower end of the frame body 1 is provided with at least one polishing wheel 3, the wheel surface of the polishing wheel 3 is in contact with a contact line 18 at the lower end of the bus bar 17, the axial direction of the polishing wheel 3 is parallel to the axial direction of the guide wheel 10, the rotating direction of the guide wheel 10 is horizontal to the advancing direction of the frame body, the polishing wheel 3 is connected with an output shaft of the motor 4, the polishing wheel 3 polishes the contact line 18 at the lower end of the bus bar 17, the frame body 1 is driven to move on the bus bar 17 through the rotation of the polishing wheel 3, and the contact line 18 is polished automatically.
As an embodiment of the present invention, the frame body includes 2 vertical plates 101 that are oppositely disposed, two ends of the 2 vertical plates 101 in the length direction are connected by the first support rods 2, the two vertical plates 101 are connected by the 2 first support rods 2 at intervals, the vertical plates 101 on two sides can be completely fixed without deformation, and the first support rods 2 are provided with the positioning wheels 9.
As an embodiment of the invention, the tops of the two vertical plates 101 are respectively provided with a pressure plate 102, and the lower surface of the pressure plate 102 is provided with an L-shaped processing plate 103; the 2L-shaped processing plates 103 are respectively connected to the 2 vertical plates 101 through the 2 pressing plates 102, so that the L-shaped processing plates 103 can be completely fixed;
the length direction of the vertical plate 101 is vertical to the axis of the output shaft of the grinding wheel 3, the length direction of the pressing plate 102 is vertical to the axis of the output shaft of the grinding wheel 3, the length direction of the L-shaped processing plate 103 is vertical to the axis of the output shaft of the grinding wheel 3, and the length direction of the first supporting rod 2 is parallel to the axis of the output shaft of the grinding wheel 3;
the guide wheels 10 are arranged on the opposite side surfaces of the two L-shaped processing plates 103, and the total number of the guide wheels 10 is 4, and the two guide wheels are divided into two groups which are arranged on the two transverse sides of the opposite inner side surfaces of the L-shaped processing plates 103 and are symmetrically arranged;
the guide wheel pressing plate 11 and the limiting rod 12 are arranged on the outer side of the L-shaped processing plate 103, and the limiting rod 12 penetrates through the guide wheel pressing plate 11 and the L-shaped processing plate 103 through a spring 14 and then is connected with the guide wheel 10, so that the limiting rod 12 can slide towards the inner side and the outer side; the spring 14 is sleeved on the limiting rod 12;
the distance between the guide wheels 10 is adjustable, a limiting pin 13 is rotatably connected to the circumferential surface of the limiting rod 12, a clamping groove matched with the limiting pin 13 is formed in the guide wheel pressing plate 11, and the guide wheels 10 are installed on the busbar 17 by adjusting the position of the limiting pin 13 in the clamping groove; namely, when the guide wheel 10 slides inwards, the limiting pin 13 is clamped into the clamping groove by rotating the limiting rod 12, so that the limiting rod 12 is completely fixed.
As an embodiment of the invention, the motors 4 are arranged at the outer sides of the two vertical plates 101 and correspond to the grinding wheels 3 one by one, the chucks 5 are arranged on the output shafts of the motors 4, and the chucks 5 are connected with the rotors of the motors 4; the grinding wheel 3 penetrates through the coupler 6 to be connected with the chuck 5, and the grinding wheel 3 is arranged at the bottom of the inner side of the vertical plate 101;
the side edge of the vertical plate 101 is provided with an adjusting hole 15; the adjusting bolt 16 sequentially penetrates through a mounting hole and an adjusting hole 15 on the motor 4 and then is connected with the coupling 6; through adjusting bolt height, the wheel of polishing can stretch out and draw back from top to bottom in the adjusting hole to guarantee the contact force with the contact line. .
According to one embodiment of the invention, a dust cover 8 corresponding to the motor 4 is arranged outside the vertical plate 101, and at least 16 openings are arranged on the longitudinal side surface of the dust cover 8 for heat dissipation.
As an embodiment of the invention, two positioning wheels 9 are arranged on each first supporting rod 2, the transverse and longitudinal intervals of the positioning wheels 9 are matched with the size of the bus bar 17, and the wheel surface of each positioning wheel 9 is embedded into a groove at the lower part of the bus bar 17 to position the bus bar 17; the positioning wheel 9 is made of high-molecular polyethylene material, has strong wear resistance, long service life and small sliding resistance, and has small wear to the bus bar 17 when sliding on the bus bar 17;
the vertical plates 101 at the lower ends of the two first support rods 2 are connected through the two second support rods 6, so that the vertical plates 101 at the two sides can be completely fixed without deformation.
As an embodiment of the present invention, the grinding wheel 3 is a nylon grinding wheel, the motor 4 is a dc motor and is powered by a dc battery; the motor 4 is provided with a remote start-stop switch module and an overcurrent protection module; the remote control start-stop switch is matched with the remote controller to control the motor 4 to rotate, so that the automatic work of the polishing device is realized, the overcurrent protection module is used for protecting the motor from being burnt due to overlarge current, the number of the polishing wheels 3 is 4, and the number of the motors 4 is matched with that of the polishing wheels 3;
4 grinding wheels are driven by 4 motors to simultaneously grind and polish the contact wires, so that when the grinding and polishing device passes through the contact wires, grinding and polishing work is simultaneously completed, and the grinding wheels rotate to drive the guide wheels and the positioning wheels to slide on the busbar slide at the speed of 5km/h, so that the automatic grinding and polishing of the contact wires is realized. Compared with the speed of manually polishing for 2km/h, the safety risk of contact line polishing operation is reduced, the operation efficiency is greatly improved, and the polishing precision and the polishing quality are improved.
As an implementation mode of the invention, an insulating rubber pad is arranged at the joint of the motor 4 and the frame body 1, so that the vibration is reduced when the motor 4 rotates, and the motor can output stably.
In one embodiment of the present invention, the frame body 1 is formed by processing an anodized aluminum material, and has high hardness, corrosion resistance, and good wear resistance.
When the rigid contact net polishing device works, an operator adjusts the limiting rod to enable the guide wheel to be embedded into the slideway above the busbar, the positioning wheel is embedded into the groove below the busbar, the limiting pin is pushed into the working position in the control groove and is installed on the busbar, and the polishing device is quickly and accurately installed on the busbar. When spacing pin was in the operating position, the guide pulley rigidity was unchangeable, realized that burnishing and polishing device steadily fixes to the busbar slide in, guaranteed that burnishing and polishing device can steadily work on the busbar. An operator controls the motor to drive the grinding wheel to rotate by using the remote controller, and the grinding wheel rubs the contact line when rotating, so that the effect of grinding and polishing the contact line is achieved. The shaft coupling is connected with adjusting bolt, and the wheel of polishing steadily rotates during operation, and adjusting bolt can adjust the operating condition of motor and wheel of polishing, and the standard of polishing of unified rigidity contact net realizes the meticulous regulation to the contact line degree of polishing. Motor drive grinds the wheel along the busbar horizontal direction and polishes, unanimous with the [ electric ] motor coach traffic direction, can reduce the friction of pantograph carbon slide and contact wire, for along the busbar vertical direction mode of polishing, can effectively get rid of the burr of contact wire, cutting and the burn vestige to realize that contact wire line face both sides edges and corners are polished simultaneously, the at utmost restores the contact wire, effectively improves the bow net relation, reduces bow net wearing and tearing fast. The grinding effect of the invention is shown in figure 8, and the grinding precision is obviously improved when the grinding is carried out in the direction vertical to the prior art.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a rigidity contact net burnishing and polishing device which characterized in that: comprises a frame body and a plurality of supporting legs,
two pairs of guide wheels are arranged at the upper end of the frame body, a positioning wheel is arranged below each pair of guide wheels, and a clamping part for clamping the busbar is formed by the wheel surfaces of the guide wheels and the positioning wheels;
the lower end of the frame body is provided with at least one polishing wheel, the polishing wheel is parallel to a rotating shaft of the guide wheel and is connected with an output shaft of the motor, the polishing wheel polishes a contact line at the lower end of the bus bar, and the frame body is driven to move on the bus bar through the rotation of the polishing wheel.
2. The rigid catenary grinding and polishing device according to claim 1, characterized in that: the support body includes two risers of relative setting, and the both ends of two risers are connected through first bracing piece, installs the locating wheel on the first bracing piece.
3. The rigid catenary grinding and polishing device according to claim 2, characterized in that: the tops of the two vertical plates are respectively provided with a pressing plate, and the lower surface of each pressing plate is provided with an L-shaped processing plate;
guide wheels are installed on the opposite side faces of the two L-shaped processing plates, guide wheel pressing plates and limiting rods are arranged on the outer sides of the L-shaped processing plates, and the limiting rods penetrate through the guide wheel pressing plates and the L-shaped processing plates and are connected with the guide wheels;
a spring is sleeved outside the limiting rod;
the circumferential surface of the limiting rod is rotatably connected with a limiting pin; the guide wheel pressing plate is provided with a clamping groove matched with the limiting pin, and the limiting rod is rotated to clamp the limiting pin into the clamping groove.
4. The rigid catenary grinding and polishing device according to claim 2, characterized in that: the motor is arranged on the outer sides of the two vertical plates, a chuck is arranged on an output shaft of the motor, and the chuck is connected with the polishing wheel through a coupler.
5. The rigid catenary grinding and polishing device according to claim 2, characterized in that: the side edge of the vertical plate is provided with an adjusting hole; and the adjusting bolt sequentially penetrates through the mounting hole and the adjusting hole on the motor and then is connected with the coupler.
6. The rigid catenary grinding and polishing device according to claim 1, characterized in that: the motor is provided with a dust cover, and a plurality of through holes are formed in the longitudinal side face of the dust cover.
7. The rigid catenary grinding and polishing device according to claim 1, characterized in that: each first supporting rod is provided with two positioning wheels, and the wheel surfaces of the positioning wheels are embedded into the grooves at the lower parts of the busbars to position the busbars; the positioning wheel is made of a high-molecular polyethylene material;
preferably, the vertical plates at the lower ends of the two first supporting rods are connected through the two second supporting rods.
8. The rigid catenary grinding and polishing device according to claim 1, characterized in that: the polishing wheel is a nylon polishing wheel, and the motor is a direct current motor and is powered by a direct current battery; the motor is provided with a remote start-stop switch module and an overcurrent protection module;
preferably, the number of the grinding wheels is 4.
9. The rigid catenary grinding and polishing device according to claim 1, characterized in that: and an insulating rubber pad is arranged at the joint of the motor and the frame body.
10. The rigid catenary grinding and polishing device according to claim 1, characterized in that: the frame body is processed by an anodic aluminum oxide material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111453936.6A CN114211339A (en) | 2021-12-01 | 2021-12-01 | Rigid contact line polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111453936.6A CN114211339A (en) | 2021-12-01 | 2021-12-01 | Rigid contact line polishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114211339A true CN114211339A (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111453936.6A Pending CN114211339A (en) | 2021-12-01 | 2021-12-01 | Rigid contact line polishing device |
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| Country | Link |
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| CN (1) | CN114211339A (en) |
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 |
| CN117381559A (en) * | 2023-11-17 | 2024-01-12 | 中铁电气化局集团有限公司 | Contact line polishing tool for contact net |
-
2021
- 2021-12-01 CN CN202111453936.6A patent/CN114211339A/en active Pending
Cited By (4)
| 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 |
| CN117381559A (en) * | 2023-11-17 | 2024-01-12 | 中铁电气化局集团有限公司 | Contact line polishing tool for contact net |
| CN117381559B (en) * | 2023-11-17 | 2024-05-14 | 中铁电气化局集团有限公司 | Contact line polishing tool for contact net |
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