CN115284083A - Rail transit carriage internal holding rod polishing device - Google Patents

Abstract

The invention discloses a rail transit carriage internal holding rod polishing device, belonging to the technical field of polishing equipment; the device comprises a base, wherein two symmetrically-arranged fixing mechanisms are arranged in the long edge direction of the base, each fixing mechanism comprises a clamping assembly, each clamping assembly comprises three fixing frames which are circumferentially arranged, each fixing frame is used for fixing a supporting rod to be processed, a distance adjusting mechanism is arranged below each fixing mechanism, and each distance adjusting mechanism is used for adjusting the distance between the two fixing mechanisms; two grinding mechanisms which are symmetrically arranged are arranged along the short side direction of the base, each grinding mechanism comprises a grinding head, and the grinding heads are used for grinding the holding rods. The automatic grinding machine can automatically finish grinding the holding rod through the fixing mechanism, the grinding mechanism and the distance adjusting mechanism, can adapt to holding rods with different diameters and lengths, and is simple in structure and convenient to operate.

Description

Rail transit carriage internal holding rod grinding device

Technical Field

The invention belongs to the technical field of polishing equipment, and particularly relates to a rail transit carriage internal holding rod polishing device.

Background

Along with the continuous expansion of road construction scale, the construction lengths of high-speed rails, subways, light rails and the like are also longer and longer. In these rail transportation modes, there is no exception that the corresponding cars are required to be equipped for operation. As rail transit has the advantages of high speed, convenience in transportation and the like, more and more people start to choose the transportation mode of taking a subway. In order to ensure the safety of passengers, the holding rod is required to be installed in the carriage, so that a holding place is provided for the passengers, and the passengers are prevented from falling down.

The grab bar in the carriage is usually made of metal, and before the grab bar is produced and put into use, the outer surface of the grab bar needs to be polished to prevent passengers from being scratched.

The chinese patent application publication No. CN114515981A discloses a polishing device for steel pipe processing, which comprises a frame, a chassis, a rotating motor, a rotating rod, a wear-resistant cylinder and the like, wherein the rotating rod drives a driving gear to rotate, so that the rotating gear drives a driven gear and a wear-resistant cylinder to rotate, and the wear-resistant cylinder polishes a steel pipe. Although the steel pipe polishing device can polish the steel pipe, the steel pipe polishing device cannot adapt to different steel pipe diameters and lengths of the steel pipe, and the steel pipe positioned at the position of the roller cannot be polished due to the fact that the two ends of the steel pipe are clamped on the roller. Aiming at the problems, the invention provides a rail transit carriage inner handrail polishing device.

Disclosure of Invention

Aiming at the technical problems, the technical scheme adopted by the invention is as follows: a rail transit carriage internal holding rod polishing device comprises a base.

The long edge direction along the base is provided with two symmetrical arrangement's fixed establishment, fixed establishment include the centre gripping subassembly, the centre gripping subassembly include three mount that is the circumference and arranges, the mount be used for the fixed pole of holding up of treating processing, every fixed establishment below be provided with a roll adjustment mechanism, roll adjustment mechanism fixed mounting is on the base, roll adjustment mechanism be used for adjusting the distance between two fixed establishment.

Two grinding mechanisms which are symmetrically arranged are arranged along the short side direction of the base, each grinding mechanism comprises a grinding head, the grinding heads are fixedly arranged on output shafts of grinding motors, the grinding motors are arranged on the moving assemblies, and the grinding heads are driven to move by the moving assemblies so that the grinding heads grind the holding rods.

Furthermore, the centre gripping subassembly still include the three sprocket that is the circumference and arranges, sprocket and mount fixed connection, the sprocket rotate and install on the centre frame, the outer lane meshing of three sprocket is furnished with the chain, chain both ends opening part be connected with the one end of a push rod respectively, the other end and the flexible subassembly of push rod be connected.

Furthermore, the fixing mechanism further comprises a transmission cylinder, the transmission cylinder is fixedly installed on the center frame, a spline groove is formed in the center frame, and the transmission cylinder is connected with the distance adjusting mechanism.

Furthermore, the moving assembly comprises two threaded rods, the threaded rods are in threaded fit with the two-way threaded rods, the two-way threaded rods can be rotatably installed on the square frame, the polishing head is in sliding fit with the square frame, one threaded rod is fixedly connected with the polishing motor, and the other threaded rod is fixedly connected with the brush.

Furthermore, grinding machanism still include two push assembly along the length direction symmetrical arrangement of base, push assembly including rotating the cam one of installing on the base, cam one on be provided with two symmetrical arrangement's boss, a cam both sides be provided with push rod one, push rod one slidable mounting on the base, push rod one with return type frame fixed connection, push rod one and base between be provided with reset spring.

Furthermore, the distance adjusting mechanism comprises a spline shaft matched with the spline groove, the spline shaft is fixedly arranged on an output shaft of the distance adjusting motor, the distance adjusting motor is fixedly arranged on the motor mounting frame, the motor mounting frame is fixedly arranged on the guide plate, a sliding plate is arranged on the guide plate in a sliding mode, the sliding plate is rotatably connected with the transmission cylinder, and a driving assembly is connected onto the sliding plate and drives the sliding plate to slide on the guide plate.

Furthermore, the driving assembly comprises a rotating rod rotatably installed on the sliding plate, the rotating rod is connected with one end of a second push rod, the other end of the second push rod is connected with one end of a pull rod, the other end of the pull rod is rotatably installed on the guide plate, a second cam is arranged at one end, far away from the rotating rod, of the second push rod in a sliding fit mode, the second cam is fixedly installed on the long shafts, the two long shafts are connected through a belt assembly, and the belt assembly is connected with an output shaft of the posture adjusting motor.

Further, push rod two on be provided with the rectangular channel, the rectangular channel be connected with adjusting part, adjusting part include the guide block, the guide block rotate and install on adjusting threaded rod, adjusting threaded rod slidable mounting on transferring the appearance frame, transfer appearance frame fixed mounting on the deflector, transfer to rotate on the appearance frame and install and transfer the appearance piece, transfer appearance piece and adjusting threaded rod screw-thread fit.

Furthermore, a waste trough is fixedly mounted on the base and located below the fixing mechanism and the polishing mechanism.

Compared with the prior art, the invention has the beneficial effects that: (1) The automatic grinding machine can automatically finish grinding the holding rod through the fixing mechanism, the grinding mechanism and the distance adjusting mechanism, can adapt to holding rods with different diameters and lengths, and is simple in structure and convenient to operate; (2) The fixing mechanism adopts the fixing frame to fix the inner wall of the handrail, and compared with the fixing from the outer wall, the inner wall fixing mode can adapt to a larger diameter range, and meanwhile, the outer wall fixing mode can generate places which can not be polished, but the inner wall fixing mode is adopted, and the outer wall of the handrail can be polished; (3) On one hand, the distance adjusting mechanism can adjust the distance between the two fixing mechanisms when the holding rod is fixed, so that the holding rod is convenient to fix; on the other hand, the sliding distance of the sliding plate can be adjusted, so that the handrail can adapt to different lengths.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a top view of the overall structure of the present invention.

Fig. 3 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A in fig. 2.

Fig. 4 is a schematic view of a part a of the enlarged structure in fig. 3.

Fig. 5 is a schematic view of a part of the enlarged structure at D in fig. 3.

Fig. 6 is a left side view of the overall structure of the present invention.

Fig. 7 is a schematic view of a part of the enlarged structure at B in fig. 6.

Fig. 8 is a schematic structural view of the fixing mechanism.

Fig. 9 is a schematic view of a part of the pitch adjusting mechanism.

Fig. 10 is a schematic view of a part of an enlarged structure at C in fig. 9.

Fig. 11 is a schematic view of a part of an enlarged structure at E in fig. 9.

Reference numerals: 1-a base; 2-a fixing mechanism; 201-a transmission cylinder; 202-a central frame; 203-a chain; 204-a sprocket; 205-a mount; 206-bidirectional hydraulic cylinder; 207-push rod; 3-a polishing mechanism; 301-motor one; 302-cam one; 303-push rod one; 304-a bevel; 305-a boss; 306-loop frame; 307-motor two; 308-a bidirectional threaded rod; 309-threaded rod; 310-grinding the motor; 311-polishing head; 312-a brush; 313-a return spring; 4-a distance adjusting mechanism; 401-spline shaft; 402-a pitch motor; 403-motor mounting; 404-a sliding plate; 405-a guide plate; 406-a turn bar; 407-push rod two; 408-a pull rod; 409-cam two; 410-major axis; 411-a belt assembly; 412-posture adjusting outer frame; 413-posture adjusting block; 414-adjusting the threaded rod; 415-a guide block; 416-a rectangular slot; 417-attitude adjusting motor; and 5-a waste tank.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

The drawings are only for illustrative purposes and are shown schematically rather than in actual drawings, which should not be construed as limiting the patent, and in order to better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged or reduced, which do not represent the size of an actual product, and it should be understood that some well-known structures in the drawings and descriptions thereof may be omitted.

The embodiment is as follows: the rail transit carriage internal handrail polishing device shown in figures 1-11 comprises a base 1.

Be provided with two symmetrical arrangement's fixed establishment 2 along base 1's long limit direction, fixed establishment 2 includes the centre gripping subassembly, and the centre gripping subassembly includes three mount 205 that is the circumference and arranges, and mount 205 is used for the fixed pole of holding up of treating processing, and every fixed establishment 2 below is provided with a roll adjustment mechanism 4, and roll adjustment mechanism 4 fixed mounting is on base 1, and roll adjustment mechanism 4 is used for adjusting the distance between two fixed establishment 2.

Two grinding mechanisms 3 which are symmetrically arranged are arranged along the short side direction of the base 1, each grinding mechanism 3 comprises a grinding head 311, each grinding head 311 is fixedly installed on an output shaft of a grinding motor 310, each grinding motor 310 is installed on a moving assembly, and the grinding heads 311 are driven to move through the moving assemblies so that the grinding heads 311 grind the supporting rods.

The clamping assembly further comprises three chain wheels 204 which are circumferentially arranged, the chain wheels 204 are fixedly connected with a fixed frame 205, the chain wheels 204 are rotatably installed on the central frame 202, the outer rings of the three chain wheels 204 are meshed with a chain 203, openings at two ends of the chain 203 are respectively connected with one end of a push rod 207, and the other end of the push rod 207 is connected with the telescopic assembly.

Specifically, the telescopic assembly is a bidirectional hydraulic cylinder 206, two extending ends of the bidirectional hydraulic cylinder 206 are respectively connected with two push rods 207, and the bidirectional hydraulic cylinder 206 is fixedly mounted on the center frame 202.

The fixing mechanism 2 further comprises a transmission cylinder 201, the transmission cylinder 201 is fixedly installed on the central frame 202, a spline groove is formed in the central frame 202, and the transmission cylinder 201 is connected with the distance adjusting mechanism 4.

The moving assembly comprises two threaded rods 309, the threaded rods 309 are in threaded fit with a bidirectional threaded rod 308, the bidirectional threaded rod 308 is rotatably mounted on a back-shaped frame 306, a polishing head 311 is in sliding fit with the back-shaped frame 306, one threaded rod 309 is fixedly connected with a polishing motor 310, and the other threaded rod 309 is fixedly connected with a brush 312.

Specifically, the two-way threaded rod 308 is fixedly connected with an output shaft of the second motor 307, and the second motor 307 is fixedly installed on the frame 306.

The grinding mechanism 3 further comprises two pushing assemblies symmetrically arranged along the length direction of the base 1, each pushing assembly comprises a first cam 302 rotatably installed on the base 1, two bosses 305 symmetrically arranged are arranged on the first cam 302, first push rods 303 are arranged on two sides of the first cam 302, the first push rods 303 are slidably installed on the base 1, the first push rods 303 are fixedly connected with the first return frame 306, and a reset spring 313 is arranged between the first push rods 303 and the base 1.

Specifically, the two moving assemblies are located between the two pushing assemblies, two sides of the frame 306 in the two moving assemblies are respectively and fixedly connected with the first push rods 303 in the two pushing assemblies, and the two fixing mechanisms 2 are located between the two polishing mechanisms 3.

The distance adjusting mechanism 4 comprises a spline shaft 401 matched with the spline groove, the spline shaft 401 is fixedly installed on an output shaft of a distance adjusting motor 402, the distance adjusting motor 402 is fixedly installed on a motor installation frame 403, the motor installation frame 403 is fixedly installed on a guide plate 405, a sliding plate 404 is installed on the guide plate 405 in a sliding mode, the sliding plate 404 is rotatably connected with the transmission cylinder 201, a driving assembly is connected onto the sliding plate 404, and the sliding plate 404 is driven to slide on the guide plate 405 through the driving assembly.

Specifically, the guide plate 405 is fixedly mounted on the base 1.

The driving component comprises a rotating rod 406 which is rotatably arranged on the sliding plate 404, the rotating rod 406 is connected with one end of a second push rod 407, the other end of the second push rod 407 is connected with one end of a pull rod 408, the other end of the pull rod 408 is rotatably arranged on the guide plate 405, one end of the second push rod 407, which is far away from the rotating rod 406, is in sliding fit with a second cam 409, the second cam 409 is fixedly arranged on a long shaft 410, the two long shafts 410 are connected through a belt component 411, and the belt component 411 is connected with an output shaft of a posture adjusting motor 417.

Specifically, the posture adjusting motor 417 is fixedly mounted on the base 1.

The second push rod 407 is provided with a rectangular groove 416, the rectangular groove 416 is connected with an adjusting assembly, the adjusting assembly comprises a guide block 415, the guide block 415 is rotatably mounted on an adjusting threaded rod 414, the adjusting threaded rod 414 is slidably mounted on an attitude adjusting outer frame 412, the attitude adjusting outer frame 412 is fixedly mounted on a guide plate 405, an attitude adjusting block 413 is rotatably mounted on the attitude adjusting outer frame 412, and the attitude adjusting block 413 is in threaded fit with the adjusting threaded rod 414.

Still fixed mounting has a waste material groove 5 on the base 1, and waste material groove 5 is located fixed establishment 2 and grinding machanism 3's below.

The working principle is as follows: the first motor 301 is started, so that the first cam 302 is driven by the output shaft of the first motor 301 to rotate, the boss 305 on the first cam 302 rotates along with the first cam 302, when the boss 305 rotates to be in contact with the inclined surface 304 on the first push rod 303, the boss 305 pushes the first push rods 303 in the direction away from each other, it should be noted that the inclined surfaces 304 on the first push rods 303 arranged along the short side direction of the base 1 face different directions (as shown in fig. 2), so under the action of the symmetrically arranged bosses 305, the first push rods 303 are away from each other.

When the first push rods 303 are far away from each other, the two loop frames 306 fixedly installed between the first push rods 303 are far away from each other, and at the moment, the loop frames 306 are gradually far away from the fixing mechanism 2, so that the two loop frames 306 stay at proper positions according to the diameter of the polished supporting rod. The purpose of this is to separate the two loop frames 306, so as to fix the handrail to be processed on the fixing mechanism 2, and avoid the loop frames 306 interfering with the installation of the handrail.

Then, the attitude adjusting motor 417 is started, so that the output shaft of the attitude adjusting motor 417 drives the belt assembly 411 to rotate, the rotating belt assembly 411 rotates the long shaft 410, at this time, the second cam 409 fixedly installed on the long shaft 410 rotates, because the second push rod 407 is in sliding fit with the second cam 409, and the rectangular slot 416 on the second push rod 407 is in sliding fit with the guide block 415, when the second cam 409 rotates, the second cam 409 rotates one end of the second push rod 407 away from the rotating rod 406 downwards, so that the second push rod 407 pulls the rotating rod 406 to slide the rotating rod 406 leftwards (as shown in fig. 9), of course, because the two pitch adjusting mechanisms 4 are symmetrically arranged, the rotating rod 406 on the other pitch adjusting mechanism 4 moves rightwards, because the rotating rod 406 is rotatably installed on the sliding plate 404, the sliding plate 404 is pulled by the rotating rod 406 to slide along the guide plate 405, which aims at this time to make the sliding plates 404 of the two symmetrically arranged pitch adjusting mechanisms 4 move away from each other, so that the fixing mechanisms 2 on the sliding plate 404 move away from each other, thereby satisfying different lengths of the rods.

After the two fixing mechanisms 2 are far away from each other, the distance between the two fixing mechanisms 2 is not less than the length of the handrail to be processed, then the handrail to be processed is conveyed between the two fixing mechanisms 2 through the manipulator, at this time, the posture adjusting motor 417 is started again, the two sliding plates 404 slide towards the mutually approaching direction, and thus the two fixing mechanisms 2 approach each other and finally the fixing mechanisms 2 move into the hollow inner rings on the handrail.

After the two fixing mechanisms 2 are respectively positioned in the inner parts of the two ends of the handrail, the bidirectional hydraulic cylinder 206 is started to contract the left side of the bidirectional hydraulic cylinder 206 (as shown in fig. 8), so that the push rod 207 moves rightwards, the moving push rod 207 pulls the chain 203, the chain wheel 204 engaged with the chain 203 rotates anticlockwise on the central frame 202, then the fixing frame 205 fixedly connected with the chain wheel 204 rotates, and the three fixing frames 205 gradually expand and finally abut against the inner wall of the handrail, thereby completing the support and fixation of the handrail.

It should be noted that, when the length of the support rod is too long or too short and the sliding distance of the sliding plate 404 on the guide plate 405 needs to be adjusted, the posture adjustment block 413 may be rotated to make the adjustment threaded rod 414 slide on the posture adjustment outer frame 412, and at this time, the guide block 415 rotatably connected to the adjustment threaded rod 414 may slide on the rectangular groove 416 to adjust the pivot of the rotation of the second push rod 407, so as to adjust the swing amplitude of the second push rod 407, and thus the moving distance of the rotating rod 406 may be adjusted, thereby completing the adjustment of the sliding distance of the sliding plate 404.

After the holding rod is fixed, the first motor 301 is started again, the first motor 301 drives the first cam 302 to rotate, finally, the first push rod 303 drives the first return frame 306 to gradually approach the holding rod fixed on the fixing mechanism 2, and finally, the polishing head 311 is stopped at a polishing position, the return spring 313 can deform in the process, and the return spring 313 is used for assisting the first push rod 303 to reset.

Finally, when the polishing head 311 stays at a proper position, the polishing motor 310 is started, so that the output shaft of the polishing motor 310 drives the polishing head 311 to rotate, and the outer surface of the holding rod is polished. Meanwhile, the second motor 307 is started at the moment, the output shaft of the second motor 307 drives the bidirectional threaded rod 308 to rotate, and due to the threaded fit between the threaded rod 309 and the bidirectional threaded rod 308, the threaded rod 309 can slide on the return-type frame 306 in a reciprocating mode, so that the position of the threaded rod 309 which can be adjusted continuously is adjusted, the positions of the polishing head 311 and the brush 312 are adjusted, the change of the polishing position is completed, the brush 312 is used for brushing waste scraps which are left on the surface of the supporting rod after being polished, and the waste scraps are made to fall into the waste trough 5.

When the sanding head 311 is sanded, the pitch motor 402 is started, the output shaft of the pitch motor 402 drives the spline shaft 401 to rotate, the spline shaft 401 and the transmission cylinder 201 form spline fit, so the transmission cylinder 201 rotates on the sliding plate 404, the holding rod fixed by the fixing mechanism 2 can also rotate, and the purpose of doing so is to accelerate sanding of the holding rod. It should be noted that since transmission cylinder 201 is spline-fitted to spline shaft 401, transmission cylinder 201 rotatably attached to sliding plate 404 slides along spline shaft 401 without interference when sliding plate 404 slides along guide plate 405, as will be understood by those skilled in the art.

Claims (9)

1. The utility model provides a rail transit carriage is interior to hold up pole grinding device, includes base (1), its characterized in that:

two symmetrically-arranged fixing mechanisms (2) are arranged along the long side direction of the base (1), each fixing mechanism (2) comprises a clamping assembly, each clamping assembly comprises three fixing frames (205) which are arranged circumferentially, each fixing frame (205) is used for fixing a support rod to be machined, a distance adjusting mechanism (4) is arranged below each fixing mechanism (2), each distance adjusting mechanism (4) is fixedly arranged on the base (1), and each distance adjusting mechanism (4) is used for adjusting the distance between the two fixing mechanisms (2);

two grinding mechanisms (3) which are symmetrically arranged are arranged along the short side direction of the base (1), each grinding mechanism (3) comprises a grinding head (311), each grinding head (311) is fixedly installed on an output shaft of a grinding motor (310), each grinding motor (310) is installed on a moving assembly, and the moving assemblies drive the grinding heads (311) to move so that the grinding heads (311) grind the holding rods.

2. The rail transit car handrail grinding device of claim 1, wherein: the centre gripping subassembly still include three sprocket (204) that are the circumference and arrange, sprocket (204) and mount (205) fixed connection, sprocket (204) rotate and install on centre frame (202), the outer lane meshing of three sprocket (204) is furnished with chain (203), chain (203) both ends opening part be connected with the one end of a push rod (207) respectively, the other end and the flexible subassembly of push rod (207) be connected.

3. The rail transit car handrail grinding device of claim 2, wherein: the fixing mechanism (2) further comprises a transmission cylinder (201), the transmission cylinder (201) is fixedly installed on the central frame (202), a spline groove is formed in the central frame (202), and the transmission cylinder (201) is connected with the distance adjusting mechanism (4).

4. The rail transit car handrail grinding device of claim 1, wherein: the moving assembly comprises two threaded rods (309), the threaded rods (309) are in threaded fit with the two-way threaded rods (308), the two-way threaded rods (308) can be rotatably installed on the back-shaped frame (306), the polishing head (311) is in sliding fit with the back-shaped frame (306), one of the threaded rods (309) is fixedly connected with the polishing motor (310), and the other of the threaded rods (309) is fixedly connected with the brush (312).

5. The rail transit car handrail grinding device of claim 4, wherein: grinding machanism (3) still include two pushing assemblies along the length direction symmetrical arrangement of base (1), pushing assemblies including rotating cam (302) of installing on base (1), cam (302) on be provided with boss (305) of two symmetrical arrangements, cam (302) both sides be provided with push rod (303), push rod (303) slidable mounting on base (1), push rod (303) and time type frame (306) fixed connection, push rod (303) and base (1) between be provided with reset spring (313).

6. The rail transit car handrail grinding device of claim 3, wherein: the distance adjusting mechanism (4) comprises a spline shaft (401) matched with a spline groove, the spline shaft (401) is fixedly installed on an output shaft of a distance adjusting motor (402), the distance adjusting motor (402) is fixedly installed on a motor installation frame (403), the motor installation frame (403) is fixedly installed on a guide plate (405), a sliding plate (404) is installed on the guide plate (405) in a sliding mode, the sliding plate (404) is rotatably connected with a transmission cylinder (201), a driving assembly is connected onto the sliding plate (404), and the sliding plate (404) is driven to slide on the guide plate (405) through the driving assembly.

7. The rail transit car inside handrail polishing device according to claim 6, wherein: the driving assembly comprises a rotating rod (406) rotatably installed on a sliding plate (404), the rotating rod (406) is connected with one end of a second push rod (407), the other end of the second push rod (407) is connected with one end of a pull rod (408), the other end of the pull rod (408) is rotatably installed on a guide plate (405), one end, far away from the rotating rod (406), of the second push rod (407) is in sliding fit with a second cam (409), the second cam (409) is fixedly installed on a long shaft (410), the two long shafts (410) are connected through a belt assembly (411), and the belt assembly (411) is connected with an output shaft of a posture adjusting motor (417).

8. The rail transit car handrail grinding device of claim 7, wherein: push rod two (407) on be provided with rectangular channel (416), rectangular channel (416) be connected with adjusting part, adjusting part include guide block (415), guide block (415) rotate and install on adjusting threaded rod (414), adjusting threaded rod (414) slidable mounting on transferring appearance frame (412), transfer appearance frame (412) fixed mounting on deflector (405), transfer appearance frame (412) on rotate to install and transfer appearance piece (413), transfer appearance piece (413) and adjusting threaded rod (414) screw-thread fit.

9. The rail transit car handrail grinding device as claimed in any one of claims 1 to 8, wherein: the polishing machine is characterized in that a waste trough (5) is fixedly mounted on the base (1), and the waste trough (5) is located below the fixing mechanism (2) and the polishing mechanism (3).

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