CN111005271A - Automatic grinding equipment for rail welding position - Google Patents
Automatic grinding equipment for rail welding position Download PDFInfo
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- CN111005271A CN111005271A CN201911418715.8A CN201911418715A CN111005271A CN 111005271 A CN111005271 A CN 111005271A CN 201911418715 A CN201911418715 A CN 201911418715A CN 111005271 A CN111005271 A CN 111005271A
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- rail
- fixedly connected
- grinding
- face
- rod
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
- E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
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- Mechanical Engineering (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses automatic grinding equipment for a rail welding position, which comprises a rail, wherein a power platform is arranged on the upper side of the rail, two mounting and fixing devices which are symmetrical front and back are arranged on the lower side end face of the power platform, the mounting and fixing devices are used for mounting and fixing the equipment on the rail, a power device is arranged on the power platform and used for providing left and right reciprocating motion for grinding the upper side end face of the rail, a reciprocating device which is positioned on the upper side of the power device is arranged on the power platform and used for providing front and back reciprocating motion for grinding the left and right side end faces of the rail, and three grinding devices are arranged on the power device and the reciprocating device.
Description
Technical Field
The invention relates to the technical field of rail welding position polishing, in particular to automatic rail welding position polishing equipment.
Background
The welding of long rail is a long rail with a certain length which is formed by 25m standard soft welding without drilling joint bolt holes and quenching at the rail end. The method comprises the steps of welding a long rail with the length of 125-.
Disclosure of Invention
The technical problem is as follows: the prior polishing equipment for the welding position of the rail is semi-automatic equipment, and the polishing process is time-consuming and labor-consuming.
In order to solve the problems, the automatic grinding equipment for the welding position of the rail is designed in the embodiment, and comprises the rail, wherein a power platform is arranged on the upper side of the rail, two front-back symmetrical installation and fixing devices are arranged on the lower side end face of the power platform and used for installing and fixing the equipment on the rail, a power device is arranged on the power platform and used for providing left-right reciprocating motion for grinding the upper side end face of the rail, a reciprocating device is arranged on the power platform and used for providing front-back reciprocating motion for grinding the left side end face and the right side end face of the rail, three grinding devices are arranged on the power device and the reciprocating device, and are used for grinding the welding position of the rail, the grinding devices can realize the automatic feeding motion required by grinding, wherein two grinding devices are positioned on the reciprocating device, the two grinding devices on the reciprocating device are bilaterally symmetrical, the rail is positioned between the two grinding devices on the reciprocating device, the rest one grinding device is positioned on the power device, the grinding device on the reciprocating device comprises a cylinder arranged on the reciprocating device, a piston cavity is arranged in the cylinder, an exhaust electromagnetic valve is arranged on the lower side end surface of the piston cavity, a piston is connected in the piston cavity in a sliding manner, an extension spring is connected between the piston and the inner wall of the piston cavity far away from the rail side, a piston rod is fixedly connected on the end surface of the piston close to the rail side, and the piston rod extends out of the end surface of the piston cavity towards the rail side, the cylinder is close to rail one side is equipped with the slide cartridge, just the opening orientation is kept away from in the slide cartridge rail one side, the piston rod extends to in the slide cartridge.
Preferably, the installation fixing device comprises two fixed connection devices, the fixed connection devices are symmetrically arranged on the lower side end face of the power platform and are opposite to the fixed rod, the fixed connection devices are located on the lower side end face of the fixed rod and are located on the fixed box of the upper side of the rail, an opening is arranged in the fixed box and faces downwards, the inner walls of the left side and the right side are respectively fixedly connected with a reset electromagnet, the inner wall of the upper side is slidably connected with two clamping blocks which are symmetrical left and right, the rail is located between the clamping blocks, the clamping blocks can be abutted to the rail, and clamping springs are connected between the clamping blocks and the reset electromagnet.
Preferably, the power device comprises two fixed blocks which are fixedly connected to the lower side end face of the power platform and are bilaterally symmetrical, the fixed blocks are positioned between the two fixed rods, two bilaterally symmetrical position switches are fixedly connected to the lower side end face of the power platform and are positioned between the two fixed blocks, a threaded rod which extends rightwards is rotatably connected to the right side end face of the left fixed block, a movable nut is connected to the threaded rod in a threaded manner and is slidably connected to the lower side end face of the power platform, the movable nut can be abutted against the position switches, a bevel gear which is positioned at the right side of the movable nut is fixedly connected to the threaded rod, a reversing gear which is positioned at the right side of the bevel gear is fixedly connected to the threaded rod, and a motor shaft which extends leftwards is rotatably connected to the left side end face, the utility model discloses a motor, including the motor shaft, the fixed block is connected with the motor, the motor shaft is last, and power connection has fixedly connected with auxiliary gear on the motor shaft on the right side motor on the fixed block, fixedly connected with auxiliary gear on the motor shaft, fixedly connected with is located on the motor shaft the left electro-magnet of auxiliary gear, the flat key is connected with the sleeve on the motor shaft, the sleeve can with the threaded rod flat key is connected, the vice reversing gear of fixedly connected with on the sleeve, the sleeve with be connected with vice extension spring between the reversing gear, the right side fixedly connected with is located on the fixed block left side terminal surface the air pump of motor downside, the air pump internal rotation is connected with and extends to left the air pump axle outside the air pump terminal surface, fixedly connected with on the air pump.
Preferably, the reciprocating device comprises a gear shaft rotatably connected to the left end face of the fixed block on the right side, the gear shaft extends leftwards and is located on the upper side of the motor shaft, two cylindrical gears which are bilaterally symmetrical are fixedly connected to the gear shaft, the cylindrical gear on the left side is meshed with the reversing gear, the cylindrical gear on the right side is meshed with the auxiliary reversing gear, an auxiliary fixed block located on the rear side of the threaded rod is fixedly connected to the lower end face of the power platform, the auxiliary fixed block is rotatably connected to a rotating shaft which extends forwards and backwards, an auxiliary bevel gear which is located on the front side of the auxiliary fixed block and is meshed with the bevel gear is fixedly connected to the rotating shaft, the rotating shaft extends backwards to the rear side of the fixed rod on the rear side, a sliding cavity with an upward opening is arranged in the power platform, and an auxiliary threaded rod which extends backwards to the end face of the sliding cavity, the auxiliary threaded rod with respectively fixedly connected with band pulley, two in the pivot be connected with the V area between the band pulley, threaded connection has sliding connection in on the auxiliary threaded rod vice traveling nut on the inboard wall of sliding chamber downside, fixedly connected with horizontal pole on the vice traveling nut, respectively fixedly connected with bracing piece, and two on horizontal pole left side and the right-hand member face bracing piece bilateral symmetry, on the reciprocating motion device cylinder fixed connection in the bracing piece is close to on the rail side end face.
Preferably, the piston rod is fixedly connected with a retaining ring positioned in the sliding barrel, the retaining ring is connected to the inner wall of the sliding barrel in a sliding manner, a compression spring is connected between the piston rod and the sliding barrel and is close to the inner wall of one side of the rail, the elastic coefficient of the compression spring is large, the piston rod is fixedly connected with an inclined surface block positioned in the sliding barrel and is close to the end surface of one side of the rail, a sliding hole with an upward opening is formed in the inner wall of the upper side of the sliding barrel, a driven rod extending up and down is connected in the sliding hole in a sliding manner and is abutted against the inclined surface block, a connecting rod positioned on the upper side of the sliding barrel is fixedly connected to the driven rod, a reset spring is connected between the connecting rod and the end surface of the upper side of the sliding barrel, a push rod is fixedly connected to the end surface of one side of, the motor base is rotatably connected with a grinding wheel shaft on the end surface of one side close to the rail, the grinding wheel shaft is dynamically connected with a grinding motor fixedly connected with the motor base, the grinding wheel shaft is fixedly connected with a grinding wheel for grinding the rail, the upper end face of the piston cavity is fixedly connected with a valve body, an air cavity communicated with the piston cavity is arranged in the valve body, a connecting rod extending downwards into the piston cavity is fixedly connected to the end surface of the lower side of the connecting rod, a sealing block capable of sealing the communication part of the air cavity and the piston cavity is fixedly connected on the connecting rod, an air path hose is communicated and connected between the air cavity and the air path pipe, the grinding device on the left side of the power device rotates ninety degrees clockwise, namely the arrangement condition of the grinding device on the reciprocating device is obtained, and the air cylinder on the power device is fixedly connected to the lower side end face of the movable nut.
The invention has the beneficial effects that: according to the rail grinding machine, the whole device is arranged on a rail through the fixing mechanism, the grinding process is not required to be held by a person, the automatic feeding mechanism enables the grinding wheel to be always in contact with the rail by maintaining the pressure between the grinding wheel and the rail, so that automatic feeding is achieved, the grinding quality can be guaranteed by maintaining the constant pressure between the grinding wheel and the rail, the reciprocating mechanism can drive the grinding mechanism to reciprocate to achieve grinding of the rail, the grinding mechanism comprises three grinding wheels, three surfaces of the rail can be simultaneously ground, the grinding efficiency is improved, therefore, the rail welding part can be automatically ground, manual auxiliary operation is not required in the grinding process, and the grinding efficiency is high.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view of the overall structure of an automatic grinding device for rail welding spots according to the present invention;
FIG. 2 is an enlarged view of the structure at "A" in FIG. 1;
FIG. 3 is an enlarged view of the structure at "B" of FIG. 2;
FIG. 4 is an enlarged view of the structure at "C" of FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 1;
FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 5.
Detailed Description
The invention will now be described in detail with reference to fig. 1 to 6, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to an automatic grinding device for rail welding parts, which is mainly applied to grinding the rail welding parts, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to automatic grinding equipment for a rail welding position, which comprises a rail 73, wherein a power platform 11 is arranged on the upper side of the rail 73, two mounting and fixing devices 101 which are symmetrical front and back are arranged on the lower side end face of the power platform 11, the mounting and fixing devices 101 are used for mounting and fixing the equipment on the rail, a power device 102 is arranged on the power platform 11, the power device 102 is used for providing left and right reciprocating motion for grinding the upper side end face of the rail 73, a reciprocating device 103 which is positioned on the upper side of the power device 102 is arranged on the power platform 11, the reciprocating device 103 is used for providing front and back reciprocating motion for grinding the left and right side end faces of the rail 73, three grinding devices 104 are arranged on the power device 102 and the reciprocating device 103, the grinding devices 104 are used for grinding the rail 73 welding position, and the grinding devices 104 can realize automatic feeding motion required by grinding, wherein two of the grinding devices 104 are located on the reciprocating device 103, two of the grinding devices 104 on the reciprocating device 103 are bilaterally symmetrical, the rail 73 is located between two of the grinding devices 104 on the reciprocating device 103, the remaining one of the grinding devices 104 is located on the power device 102, the grinding device 104 on the reciprocating device 103 comprises a cylinder 27 arranged on the reciprocating device 103, a piston cavity 34 is arranged in the cylinder 27, an exhaust solenoid valve 33 is arranged on the lower end surface of the piston cavity 34, a piston 36 is connected in the piston cavity 34 in a sliding manner, a tension spring 35 is connected between the piston 36 and the inner wall of the piston cavity 34 far away from the rail 73, a piston rod 37 is fixedly connected on the end surface of the piston 36 near the rail 73, and the piston rod 37 extends out of the end surface of the piston cavity 34 near the rail 73, the side of the cylinder 27 close to the rail 73 is provided with a sliding cylinder 38, the inner opening of the sliding cylinder 38 faces the side far from the rail 73, and the piston rod 37 extends into the sliding cylinder 38.
Advantageously, the mounting and fixing device 101 comprises two front and rear symmetrically opposite fixing rods 66 fixedly connected to the lower end surface of the power platform 11, a fixing box 65 positioned at the upper side of the rail 73 is fixedly connected to the lower end surface of the fixing rod 66, the fixed box 65 is provided with a downward opening 74, the left side inner wall and the right side inner wall of the 74 are respectively and fixedly connected with a reset electromagnet 72, two clamping blocks 70 which are symmetrical left and right are connected on the inner wall of the upper side of the clamping block 74 in a sliding mode, the rail 73 is located between the two clamping blocks 70, the clamping block 70 can be abutted against the rail 73, a clamping spring 71 is connected between the clamping block 70 and the reset electromagnet 72, under the elastic force of the clamping spring 71, the clamping blocks 70 are abutted against the left and right side end faces of the rail 73, so that the equipment is mounted on the rail 73.
Advantageously, the power device 102 comprises two fixed blocks 12 which are fixedly connected to the lower end surface of the power platform 11 and are bilaterally symmetrical, the fixed blocks 12 are located between the two fixed rods 66, two bilaterally symmetrical position switches 14 are fixedly connected to the lower end surface of the power platform 11, the two position switches 14 are located between the two fixed blocks 12, a threaded rod 15 extending rightwards is rotatably connected to the right end surface of the left fixed block 12, a moving nut 16 is threadedly connected to the threaded rod 15, the moving nut 16 is slidably connected to the lower end surface of the power platform 11, the moving nut 16 can abut against the position switch 14, a bevel gear 31 located on the right side of the moving nut 16 is fixedly connected to the threaded rod 15, a reversing gear 42 located on the right side of the bevel gear 31 is fixedly connected to the threaded rod 15, a motor shaft 47 extending leftwards is rotatably connected to the left end face of the fixed block 12 on the right side, a motor 22 fixedly connected to the fixed block 12 on the right side is in power connection with the motor shaft 47, an auxiliary gear 48 is fixedly connected to the motor shaft 47, an electromagnet 49 positioned on the left side of the auxiliary gear 48 is fixedly connected to the motor shaft 47, a sleeve 52 is connected to the flat key on the motor shaft 47, the sleeve 52 can be connected to the threaded rod 15 by the flat key, an auxiliary reversing gear 51 is fixedly connected to the sleeve 52, an auxiliary tension spring 53 is connected between the sleeve 52 and the reversing gear 42, an air pump 23 positioned on the lower side of the motor 22 is fixedly connected to the left end face of the fixed block 12 on the right side, an air pump shaft 45 extending leftwards to the outer end face of the air pump 23 is rotatably connected to the air pump 23, and a gear 46 meshed, the air pump 23 is communicated with an air passage pipe 43 on the lower side end face, a pressure release valve 44 is arranged on the air passage pipe 43, and the threaded rod 15 can rotate to drive the movable nut 16 to move left and right along the lower side end face of the power platform 11, so that the rail 73 can move left and right on the upper side end face.
Advantageously, the reciprocating device 103 includes a gear shaft 20 rotatably connected to the left end surface of the right fixed block 12, the gear shaft 20 extends to the left and is located above the motor shaft 47, two cylindrical gears 50 are fixedly connected to the gear shaft 20, the left cylindrical gear 50 is engaged with the reversing gear 42, the right cylindrical gear 50 is engaged with the secondary reversing gear 51, the lower end surface of the power platform 11 is fixedly connected to the secondary fixed block 19 located behind the threaded rod 15, the secondary fixed block 19 is rotatably connected to a front-rear extending rotating shaft 67, the rotating shaft 67 is fixedly connected to the secondary conical gear 41 located in front of the secondary fixed block 19 and engaged with the bevel gear 31, the rotating shaft 67 extends to the rear of the rear fixed rod 66, an upwardly open sliding cavity 69 is provided in the power platform 11, the inner wall of the front side of the sliding cavity 69 is rotatably connected with a secondary threaded rod 17 which extends backwards to the outside of the end surface of the sliding cavity 69, the auxiliary threaded rod 17 and the rotating shaft 67 are respectively fixedly connected with belt wheels 68, a V-belt 30 is connected between the two belt wheels 68, the secondary threaded rod 17 is connected with a secondary moving nut 18 in a sliding way on the lower inner wall of the sliding cavity 69 through threads, the auxiliary moving nut 18 is fixedly connected with a cross bar 13, the left end face and the right end face of the cross bar 13 are respectively and fixedly connected with a support rod 21, the two support rods 21 are symmetrical left and right, the cylinder 27 on the reciprocating device 103 is fixedly connected to one end surface of the support rod 21 close to the rail 73, the forward and backward movement required for grinding the rails 73 can be achieved by the forward and backward movement of the sub-traveling nut 18 along the inner wall of the lower side of the sliding chamber 69.
Advantageously, a stop ring 55 located in the slide cylinder 38 is fixedly connected to the piston rod 37, the stop ring 55 is slidably connected to the inner wall of the slide cylinder 38, a compression spring 57 is connected between the piston rod 37 and the inner wall of the slide cylinder 38 on the side close to the rails 73, the elastic coefficient of the compression spring 57 is relatively large, a ramp block 56 located in the slide cylinder 38 is fixedly connected to the end surface of the piston rod 37 on the side close to the rails 73, a slide hole 58 with an upward opening is formed in the inner wall on the upper side of the slide cylinder 38, a driven rod 59 extending up and down is slidably connected in the slide hole 58, the driven rod 59 abuts against the ramp block 56, a connecting rod 40 located on the upper side of the slide cylinder 38 is fixedly connected to the driven rod 59, a return spring 60 is connected between the connecting rod 40 and the end surface on the upper side of the slide cylinder 38, and a push rod 39 is fixedly connected to the end surface of the slide cylinder 38, fixedly connected with motor cabinet 29 on push rod 39, motor cabinet 29 is close to rotate on the terminal surface of rail 73 one side and is connected with emery wheel axle 26, power connection has fixedly connected with in emery wheel axle 26 grinding motor 28 on motor cabinet 29, fixedly connected with is used for polishing on emery wheel axle 26 the emery wheel 25 of rail 73, fixedly connected with valve body 62 on the terminal surface of piston chamber 34 upside, be equipped with in the valve body 62 with the communicating air cavity 61 of piston chamber 34, fixedly connected with downwardly extending to connecting rod 63 in the piston chamber 34 on the terminal surface of connecting rod 40 downside, fixedly connected with can seal on the connecting rod 63 air cavity 61 with the communicating sealed piece 64 in piston chamber 34, air cavity 61 with it is connected with gas circuit hose 24 to communicate between gas circuit pipe 43, the left on the power device 102 grinding device 104 clockwise rotates ninety degrees promptly the reciprocating motion device 103 the condition of arranging of grinding device 104 And the cylinder 27 on the power device 102 is fixedly connected to the lower end surface of the movable nut 16, the air flow generated by the air pump 23 flows into the piston cavity 34 through the air path hose 24 and the air cavity 61, so that the piston 36 moves toward the side close to the rail 73, when the piston rod 37 drives the bevel block 56 to move to the limit position close to the side of the rail 73, the bevel block 56 pushes the driven rod 59 and the connecting rod 40 to move upward to the upper limit position, so that the sealing block 64 blocks the communicating port of the air cavity 61 and the piston cavity 34, and the piston 36 stops moving, so that the grinding wheel 25 and the rail 73 always maintain the set pressure, and the automatic feeding is realized.
The following describes in detail the use steps of an automatic grinding device for rail welding in the present document with reference to fig. 1 to 6:
at the beginning, the exhaust electromagnetic valve 33 is in a closed state, under the action of the extension spring 35, the piston 36 and the piston rod 37 are positioned at a limit position at one side far away from the rail 73, under the action of the compression spring 57, the baffle ring 55 is abutted against the inner wall of the sliding barrel 38 at one side far away from the rail 73, under the action of the return spring 60, the driven rod 59 and the connecting rod 40 are positioned at a limit position at one side close to the air cylinder 27, the sealing block 64 enables the air chamber 61 to be communicated with the piston chamber 34, under the action of the auxiliary extension spring 53, the sleeve 52 is positioned at a left limit position, the threaded rod 15 is in flat key connection with the sleeve 52, the cylindrical gear 50 is not meshed with the auxiliary reversing gear 51, the movable nut 16 is positioned at a right limit position, the movable nut 16 is abutted against,
during installation, the reset electromagnet 72 is electrified to adsorb the clamping block 70, a worker places the equipment on a welded rail, then the reset electromagnet 72 is powered off, and the clamping block 70 is abutted against the rail 73 under the action of the clamping spring 71, so that the equipment is installed and fixed on the rail 73.
When the grinding machine works, the grinding motor 28 and the motor 22 are started, the motor 22 drives the threaded rod 15 to rotate, the threaded rod 15 is connected with the pneumatic pump shaft 45 to rotate through the meshing of the pinion 48 and the gear 46, the air pump shaft 45 enables the air pump 23 to work to generate air flow, the air flow is conveyed into the piston cavity 34 through the air passage pipe 43, the air passage hose 24 and the air cavity 61 and pushes the piston 36 to move towards one side close to the rail 73, the piston 36 drives the sliding cylinder 38 and the push rod 39 to move towards one side close to the rail 73 through the piston rod 37 and the compression spring 57, so that the grinding wheel 25 is abutted against the end face of the rail 73, then the sliding cylinder 38 stops moving, the piston 36 and the piston rod 37 continue to move to compress the compression spring 57, the piston rod 37 drives the inclined block 56 to move, the inclined block 56 pushes the driven rod 59 to move towards one side far away from the air cylinder, when the compression spring 57 is compressed to a set length, that is, after a set working pressure is applied to the rail 73, the sealing block 64 blocks the communicating port between the air chamber 61 and the piston chamber 34, the air flow generated by the air pump 23 cannot flow into the piston chamber 34, the piston 36 stops moving downwards, so that the grinding wheel 25 and the rail 73 are always kept in contact and kept at a set pressure, thereby realizing automatic grinding feeding, the air pressure in the air path pipe 43 is increased by the redundant air flow generated by the air pump 23, and the relief valve 44 is opened to discharge the redundant air flow,
the slide hole 58 drives the grinding wheel shaft 26 and the grinding wheel 25 to rotate, so as to realize the rotary motion required by grinding,
the motor shaft 47 is connected with the movable sleeve 52 through a flat key, the sleeve 52 is connected with the movable threaded rod 15 through the flat key, the threaded rod 15 drives the movable nut 16 to move leftwards along the lower side end face of the cross rod 13 through threaded connection, the movable nut 16 drives the grinding wheel 25 on the movable nut 16 to move leftwards, grinding movement of the upper side end face of the rail 73 is achieved, the threaded rod 15 drives the rotating shaft 67 to rotate through meshing connection of the bevel gear 31 and the auxiliary bevel gear 41, the rotating shaft 67 drives the auxiliary threaded rod 17 to rotate through the belt wheel 68 and the V belt 30, the auxiliary threaded rod 17 drives the auxiliary movable nut 18 to move backwards through threaded connection, the auxiliary movable nut 18 drives the supporting rod 21 and the grinding wheel 25 on the supporting rod 21 to move backwards, grinding movement of the left side end face and the right side end face of the rail 73 is achieved, when the movable nut 16 moves left, the auxiliary reversing gear 51 is meshed with the right cylindrical gear 50, the threaded rod 15 is separated from the flat key connection with the sleeve 52, the motor shaft 47 is connected with the gear shaft 20 through the meshing of the auxiliary reversing gear 51 and the right cylindrical gear 50 to rotate, the gear shaft 20 is connected with the left cylindrical gear 50 through the meshing of the reversing gear 42 to drive the threaded rod 15 to rotate reversely, so that the moving nut 16 moves rightwards, the threaded rod 15 drives the rotating shaft 67 to rotate reversely through the meshing connection of the bevel gear 31 and the auxiliary bevel gear 41, so that the auxiliary moving nut 18 moves forwards, the grinding wheel 25 on the moving nut 16 moves rightwards to grind the upper side end face of the rail 73, the grinding wheel 25 on the supporting rod 21 moves forwards to grind the left and right side end faces of the rail 73, then the rail 73 is abutted against the position switch 14 on the front side again, the electromagnet 49 is deenergized, thereby moving the moving nut 16 to the left again, thereby realizing the left and right reciprocating movement of the moving nut 16 and the back and forth reciprocating movement of the support rod 21,
after the grinding of the welded portion of the rail 73 is completed, the motor 22 is stopped, the reset electromagnet 72 is energized to attract the clamping block 70, and then the worker can take down the apparatus.
The invention has the beneficial effects that: according to the rail grinding machine, the whole device is arranged on a rail through the fixing mechanism, the grinding process is not required to be held by a person, the automatic feeding mechanism enables the grinding wheel to be always in contact with the rail by maintaining the pressure between the grinding wheel and the rail, so that automatic feeding is achieved, the grinding quality can be guaranteed by maintaining the constant pressure between the grinding wheel and the rail, the reciprocating mechanism can drive the grinding mechanism to reciprocate to achieve grinding of the rail, the grinding mechanism comprises three grinding wheels, three surfaces of the rail can be simultaneously ground, the grinding efficiency is improved, therefore, the rail welding part can be automatically ground, manual auxiliary operation is not required in the grinding process, and the grinding efficiency is high.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (5)
1. The utility model provides an automatic equipment of polishing of rail welding department, includes the rail, its characterized in that: the automatic grinding device comprises a power platform, two symmetrical front and back mounting and fixing devices are arranged on the end face of the lower side of the power platform, the mounting and fixing devices are used for mounting and fixing equipment on a rail, a power device is arranged on the power platform and used for providing left and right reciprocating motion for grinding the end face of the upper side of the rail, a reciprocating device is arranged on the power platform and used for providing front and back reciprocating motion for grinding the end faces of the left and right sides of the rail, the power device and the reciprocating device are provided with three grinding devices, the grinding devices are used for grinding the welding position of the rail, the grinding devices can realize the automatic feeding motion required by grinding, two grinding devices are arranged on the reciprocating device, and the two grinding devices on the reciprocating device are symmetrical left and right, and the rail is positioned between two grinding devices on the reciprocating device, the rest one grinding device is positioned on the power device, the grinding device on the reciprocating device comprises a cylinder arranged on the reciprocating device, a piston cavity is arranged in the cylinder, an exhaust electromagnetic valve is arranged on the end surface of the lower side of the piston cavity, a piston is connected in the piston cavity in a sliding manner, an extension spring is connected between the piston and the inner wall of the piston cavity on the side far away from the rail, a piston rod is fixedly connected on the end surface of the piston on the side close to the rail, the piston rod extends out of the end face of the piston cavity towards one side close to the rail, a sliding cylinder is arranged on one side of the cylinder close to the rail, and the opening in the sliding cylinder faces to the side far away from the rail, and the piston rod extends into the sliding cylinder.
2. An automatic rail weld grinding apparatus as claimed in claim 1, wherein: the installation fixing device comprises two fixed connection devices, wherein the two fixed connection devices are symmetrically arranged on the lower side end face of the power platform and are opposite to the fixed rod, the fixed connection device is arranged on the lower side end face of the fixed rod and is located in the fixed box on the upper side of the rail, an opening is arranged in the fixed box and faces down, the inner walls of the left side and the right side are respectively fixedly connected with a reset electromagnet, the inner wall of the upper side is slidably connected with two clamping blocks in bilateral symmetry, the rail is located between the clamping blocks, the clamping blocks can be abutted to the rail, and clamping springs are connected between the clamping blocks and the reset electromagnet.
3. An automatic rail weld grinding apparatus as claimed in claim 1, wherein: the power device comprises two fixed blocks which are fixedly connected on the lower side end face of the power platform and are bilaterally symmetrical, the fixed blocks are positioned between the two fixed rods, two bilaterally symmetrical position switches are fixedly connected on the lower side end face of the power platform and are positioned between the two fixed blocks, a threaded rod which extends rightwards is rotatably connected on the right side end face of the left fixed block, a movable nut is connected on the threaded rod in a threaded manner and is slidably connected on the lower side end face of the power platform, the movable nut can be abutted against the position switches, a bevel gear which is positioned on the right side of the movable nut is fixedly connected on the threaded rod, a reversing gear which is positioned on the right side of the bevel gear is fixedly connected on the threaded rod, and a motor shaft which extends leftwards is rotatably connected on the left side, the utility model discloses a motor, including the motor shaft, the fixed block is connected with the motor, the motor shaft is last, and power connection has fixedly connected with auxiliary gear on the motor shaft on the right side motor on the fixed block, fixedly connected with auxiliary gear on the motor shaft, fixedly connected with is located on the motor shaft the left electro-magnet of auxiliary gear, the flat key is connected with the sleeve on the motor shaft, the sleeve can with the threaded rod flat key is connected, the vice reversing gear of fixedly connected with on the sleeve, the sleeve with be connected with vice extension spring between the reversing gear, the right side fixedly connected with is located on the fixed block left side terminal surface the air pump of motor downside, the air pump internal rotation is connected with and extends to left the air pump axle outside the air pump terminal surface, fixedly connected with on the air pump.
4. An automatic rail weld grinding apparatus as claimed in claim 3, wherein: the reciprocating device comprises a gear shaft which is rotatably connected to the left end face of the fixed block on the right side, the gear shaft extends leftwards and is positioned on the upper side of the motor shaft, two cylindrical gears which are bilaterally symmetrical are fixedly connected to the gear shaft, the cylindrical gear on the left side is meshed with the reversing gear, the cylindrical gear on the right side can be meshed with the auxiliary reversing gear, an auxiliary fixed block which is positioned on the rear side of the threaded rod is fixedly connected to the lower end face of the power platform, the auxiliary fixed block is rotatably connected with a rotating shaft which extends forwards and backwards, an auxiliary bevel gear which is positioned on the front side of the auxiliary fixed block and is meshed with the bevel gear is fixedly connected to the rotating shaft, the rotating shaft extends backwards to the rear side of the fixed rod on the rear side, a sliding cavity with an upward opening is arranged in the power platform, and an auxiliary threaded rod which extends backwards to, the auxiliary threaded rod with respectively fixedly connected with band pulley, two in the pivot be connected with the V area between the band pulley, threaded connection has sliding connection in on the auxiliary threaded rod vice traveling nut on the inboard wall of sliding chamber downside, fixedly connected with horizontal pole on the vice traveling nut, respectively fixedly connected with bracing piece, and two on horizontal pole left side and the right-hand member face bracing piece bilateral symmetry, on the reciprocating motion device cylinder fixed connection in the bracing piece is close to on the rail side end face.
5. An automatic rail weld grinding apparatus as claimed in claim 3, wherein: the piston rod is fixedly connected with a baffle ring positioned in the sliding barrel, the baffle ring is connected on the inner wall of the sliding barrel in a sliding manner, a compression spring is connected between the piston rod and the inner wall of the sliding barrel close to one side of the rail, the elastic coefficient of the compression spring is larger, the piston rod is fixedly connected with a bevel block positioned in the sliding barrel close to one side end face of the rail, a sliding hole with an upward opening is arranged on the inner wall of the upper side of the sliding barrel, a driven rod extending up and down is connected in the sliding hole in a sliding manner and is abutted against the bevel block, a connecting rod positioned on the upper side of the sliding barrel is fixedly connected on the driven rod, a reset spring is connected between the connecting rod and the end face of the upper side of the sliding barrel, a push rod is fixedly connected on the end face of the sliding barrel close to one side of the rail, a motor base is fixedly connected on the push rod, and, the grinding wheel is characterized in that a grinding motor is fixedly connected to the grinding wheel shaft on the motor base, the grinding wheel shaft is fixedly connected with a grinding wheel for grinding a rail, a valve body is fixedly connected to the end face of the upper side of the piston cavity, an air cavity communicated with the piston cavity is formed in the valve body, the connecting rod extends downwards to the connecting rod in the piston cavity, the air cavity and a sealing block at the position where the piston cavity is communicated are sealed by the fixedly connected with the connecting rod on the end face of the lower side of the connecting rod, an air path hose is connected between the air cavity and the air path hose in a communicating mode, the grinding device on the power device rotates ninety degrees clockwise, namely the grinding device on the reciprocating device is arranged, and the air cylinder on the power device is fixedly connected to the end face of the lower side of the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911418715.8A CN111005271A (en) | 2019-12-31 | 2019-12-31 | Automatic grinding equipment for rail welding position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911418715.8A CN111005271A (en) | 2019-12-31 | 2019-12-31 | Automatic grinding equipment for rail welding position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111005271A true CN111005271A (en) | 2020-04-14 |
Family
ID=70120073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911418715.8A Withdrawn CN111005271A (en) | 2019-12-31 | 2019-12-31 | Automatic grinding equipment for rail welding position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111005271A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570907A (en) * | 2020-06-01 | 2020-08-25 | 江山根咯科技有限公司 | Protection processing device for rail thermite welding position |
| CN112371847A (en) * | 2020-10-23 | 2021-02-19 | 昆山智盛精密铸造有限公司 | High-heat-dissipation alloy notebook computer shell forming die and production method |
| CN115945979A (en) * | 2023-03-09 | 2023-04-11 | 成都承奥科技有限公司 | Small-size automatic grinding machine of artifical action of polishing of simulation |
-
2019
- 2019-12-31 CN CN201911418715.8A patent/CN111005271A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570907A (en) * | 2020-06-01 | 2020-08-25 | 江山根咯科技有限公司 | Protection processing device for rail thermite welding position |
| CN111570907B (en) * | 2020-06-01 | 2021-05-28 | 南京幸庄科技创新产业园管理有限公司 | Protection processing device for rail thermite welding position |
| CN112371847A (en) * | 2020-10-23 | 2021-02-19 | 昆山智盛精密铸造有限公司 | High-heat-dissipation alloy notebook computer shell forming die and production method |
| CN115945979A (en) * | 2023-03-09 | 2023-04-11 | 成都承奥科技有限公司 | Small-size automatic grinding machine of artifical action of polishing of simulation |
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Application publication date: 20200414 |