CN117841711A - Direction control and speed regulation device for mining electric locomotive - Google Patents
Direction control and speed regulation device for mining electric locomotive Download PDFInfo
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- CN117841711A CN117841711A CN202410255049.5A CN202410255049A CN117841711A CN 117841711 A CN117841711 A CN 117841711A CN 202410255049 A CN202410255049 A CN 202410255049A CN 117841711 A CN117841711 A CN 117841711A
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 50
- 238000005065 mining Methods 0.000 title claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims abstract description 73
- 230000000670 limiting effect Effects 0.000 claims abstract description 48
- 238000003825 pressing Methods 0.000 claims abstract description 34
- 230000033001 locomotion Effects 0.000 claims abstract description 17
- 230000009471 action Effects 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims description 14
- 238000013016 damping Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 gangue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The invention belongs to the technical field of control devices, and particularly relates to a direction control and speed regulation device of a mining electric locomotive, which comprises a substrate, wherein a speed regulation wheel is arranged at the top of the substrate, a handle shaft is vertically and fixedly connected to the center of the circle at the top of the speed regulation wheel, a support ring is arranged at the bottom of the speed regulation wheel and fixedly connected to the top of the substrate, a movable ring is slidably inserted at the top of the support ring, a plurality of support springs are fixedly connected between the bottom of the movable ring and the inside of the support ring, a rotating ring is fixedly connected to the top of the movable ring, and the rotating ring is rotatably arranged at the bottom of the speed regulation wheel. When the emergency stop or the movement state of the electric locomotive is required to be switched, the pressing rod can be pressed, the sliding sleeve can remove the limiting effect on the one-way shaft sleeve, then the speed regulating wheel can be automatically reset under the action of the torsion spring, and then the stopping or the movement state switching operation of the electric locomotive can be rapidly realized, so that the timeliness of the electric locomotive control is ensured.
Description
Technical Field
The invention belongs to the technical field of control devices, and particularly relates to a direction control and speed regulation device of a mining electric locomotive.
Background
The mining electric locomotive is mainly used for underground transportation of major roadways and long-distance transportation of the ground. The device is equivalent to an electric locomotive in railway transportation, and a train consisting of a mine car or a man-car is pulled to walk on a track to finish the transportation work of coal, gangue, materials, equipment and personnel. The important technical problems for electric locomotives are speed regulation and operation control.
Because the speed regulation and operation control devices of the existing mining electric locomotive are not connected, the sequence relationship between operation control and speed adjustment cannot be ensured during operation, and further the mining electric locomotive is easy to start at a speed when the mining electric locomotive is controlled, and the safety of staff is extremely easy to be threatened. In order to solve the problem, a Chinese patent with publication number of CN212022347U proposes a direction control and speed regulation device of a mining electric locomotive, which comprises a base plate, a gear control device and a gear control device, wherein the base plate is provided with the gear control device and the gear control device, and a gear rod is rotationally connected with the base plate. Although the use safety of the mining electric locomotive is improved to a certain extent, the following defects still exist in actual use:
because the level positioning device lacks a proper quick resetting device, when the gear needs to be quickly adjusted or the emergency stop is carried out, the level positioning device needs to be reset firstly to realize the adjustment of the gear, and thus, the mining electric locomotive is not controlled timely enough.
Therefore, it is necessary to invent a direction control and speed regulation device for mining electric locomotives to solve the above problems.
Disclosure of Invention
The invention provides a direction control and speed regulation device for a mining electric locomotive, aiming at the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the mining electric locomotive direction control and speed regulation device comprises a substrate, wherein a speed regulation wheel is arranged at the top of the substrate, a gear lever is arranged on one side of the speed regulation wheel, an electric driving shaft is connected to the middle part of the gear lever, the electric driving shaft is rotationally connected with the top of the substrate, the middle part of the gear lever is rotationally connected with the top of the substrate, a limiting bayonet is formed in the position, opposite to the gear lever, of the speed regulation wheel, and a locking assembly is arranged at the limiting bayonet;
the locking assembly comprises a fixing rod, the unidirectional shaft sleeve is rotatably sleeved on the fixing rod, the lower half part of the unidirectional shaft sleeve is conical, first clamping teeth are uniformly distributed on the conical surface of the unidirectional shaft sleeve, a sliding sleeve is arranged at the bottom of the unidirectional shaft sleeve, a cylindrical movable cavity is formed in the fixing rod and opposite to the sliding sleeve, a plurality of vertical connecting holes are uniformly formed in the inner wall of the periphery of the movable cavity in a penetrating mode, a circular pressing block is arranged in the movable cavity, a pressing rod is fixedly connected to the top of the pressing block, the top of the pressing rod is slidably inserted at the top of the fixing rod, a plurality of connecting blocks are fixedly connected to the periphery of the pressing block, the connecting blocks are inserted in the connecting holes one by one, one end of each connecting block, which is far away from the pressing block, is fixedly connected with the inner wall of the sliding sleeve, a telescopic rod is vertically fixedly connected between the bottom of the pressing block and the inner wall of the bottom of the movable cavity, a top pressing spring is sleeved on the telescopic rod, two ends of the top pressing spring are respectively fixedly connected with the bottom of the pressing block and the inner wall of the movable cavity, protrusions are fixedly connected with the periphery of the conical surface of the speed regulating wheel, the top of the pressing block is uniformly provided with second clamping teeth, and the second clamping teeth can be meshed with the second clamping teeth.
Further, the position that the conical surface is protruding to be close to spacing bayonet socket is provided with L shape clearance board, clearance board's top upward sloping, and clearance board top upward sloping angle is the same with the slope angle of conical surface protruding inclined plane, clearance board top inboard is provided with the brush hair with conical surface protruding relative position, and brush hair can laminate with conical surface bellied top, clearance board's bottom fixedly connected with stopper, the mounting groove has been seted up to the relative position of base plate top and stopper, the mounting groove is located the diameter direction of speed regulating wheel, stopper slidable mounting is in the mounting groove, the stopper has the inserted bar along the vertical slip of speed regulating wheel diameter direction, the both ends of inserted bar correspond with the both sides cell wall fixed connection of mounting groove respectively, cup jointed reset spring on the inserted bar, reset spring is located one side that the stopper kept away from the speed regulating wheel, and reset spring's both ends respectively with stopper and corresponding mounting groove inner wall fixed connection, the vertical section of clearance board is close to one side of speed regulating wheel fixedly connected with bevel piece, and the thickness of bevel piece is to the direction that is close to the speed regulating wheel gradually thicken, the speed regulating wheel is located the inclined plane piece, the inclined plane piece is located the diameter direction of speed regulating wheel and is located the horizontal direction of the speed regulating wheel and is close to the locating pin, the locating pin is located the same, the bottom is close to the locating pin is located the locating pin down in the initial position, the bottom is close to the locating pin is located the top to the locating pin down, the locating pin is located the top is close to the top to the locating pin down the locating pin, and when the movable sleeve is in contact with the speed regulating wheel, the positioning pin is just opposite to the positioning hole, the inner wall at the bottom of the positioning hole is of an inclined design, and the inner wall at the bottom of the positioning hole is parallel to the bottom inclined surface of the positioning pin.
Further, the top centre of a circle department vertical fixedly connected with handle axle of speed regulating wheel, the bottom of speed regulating wheel is provided with the supporting ring, supporting ring fixed connection is at the base plate top, the top slip grafting of supporting ring has the expansion ring, fixedly connected with a plurality of supporting springs between the inside of bottom and the supporting ring of expansion ring, the top fixedly connected with swivel of expansion ring, the swivel is rotated and is installed in the bottom of speed regulating wheel, be connected with torsion spring between the bottom of speed regulating wheel and the base plate top, the bottom vertical fixedly connected with gag lever post of speed regulating wheel, the convex spacing groove has been seted up in the position that base plate top is relative with the gag lever post, and the bottom grafting of gag lever post is in the spacing groove, one side that the locking subassembly was kept away from to the gear lever post is provided with the locating lever post, the one end that the gear lever post is close to the locating lever is provided with a plurality of gear bayonet sockets, the front and back side symmetry of gear lever post is provided with the pin, vertical fixedly connected with is at the base plate top.
Further, the rotation direction of the unidirectional shaft sleeve is opposite to the direction when the speed regulating wheel rotates positively, the bottom edge of the unidirectional shaft sleeve is of uniform saw-tooth design, the top edge of the sliding sleeve is also of uniform saw-tooth design, the top of the sliding sleeve can be meshed with the bottom of the unidirectional shaft sleeve, the protruding length of the conical surface covers the part, except for a gear bayonet, of the periphery of the speed regulating wheel, and the protruding inclined surface of the conical surface is opposite to and parallel to the bottom of the unidirectional shaft sleeve.
Further, reset assembly includes the movable rod, the movable rod level sets up at the top of base plate, two movable rods in the reset assembly are fixed connection respectively in the bottom of dead lever and locating lever, the one end of movable rod rotates with the top of base plate and is connected, the other end fixedly connected with tensioning spring of movable rod, the length direction and the movable rod of tensioning spring are perpendicular, and two tensioning springs in two reset assembly are located two movable rods and are close to the one side of speed governing wheel or gear pole respectively, the one end that the movable rod was kept away from to the tensioning spring is connected with the fixed block, the top fixed connection of fixed block and base plate.
Further, the bottom center department of speed governing wheel is provided with the stop collar, stop collar fixed connection is at the top of base plate, the top slip grafting of stop collar has the spacing post, spacing post fixed connection is in the bottom of speed governing wheel, and spacing post and stop collar can keep taut state under the effect of supporting spring under the initial state.
Further, the upper half part of the one-way shaft sleeve is rotatably sleeved with a movable sleeve, a damper is arranged between the movable sleeve and the one-way shaft sleeve, and the damping size is smaller than the minimum elastic force of the torsion spring.
Further, the circle center of the limiting groove coincides with the circle center of the speed regulating wheel, a rubber buffer block is fixedly connected to the groove wall at the starting end of the limiting groove, an indication arrow is arranged on the top surface of the speed regulating wheel, and the direction of the indication arrow is the same as the forward rotation direction of the speed regulating wheel.
Further, the maximum telescopic capacity of the telescopic rod is equal to the length of the limiting hole, and the maximum telescopic capacity of the telescopic rod is greater than the engagement depth of the saw teeth at the top of the sliding sleeve and the saw teeth at the bottom of the unidirectional shaft sleeve.
Further, in the initial state, the height of the inclined plane of the conical surface bulge can be just kept fit with the inclined plane of the bottom of the one-way shaft sleeve, and the two ends of the conical surface bulge are smoothly connected with the two sides of the limiting bayonet.
The invention has the technical effects and advantages that:
1. when the emergency stop or the switching of the motion state of the electric locomotive is required, the compression bar can be pressed, so that the sliding sleeve can remove the limiting effect on the one-way shaft sleeve, then the speed regulating wheel can be automatically reset under the effect of the torsion spring, and then the stopping or the switching operation of the motion state of the electric locomotive can be realized rapidly, and the timeliness of the control of the electric locomotive is ensured;
2. according to the invention, the movable sleeve is arranged, when the handle shaft is not pinched by misoperation, the rotation speed of the speed adjusting wheel can be reduced and limited due to the resistance between the movable sleeve and the unidirectional shaft sleeve, so that the speed adjusting stability of the electric locomotive can be ensured;
3. according to the invention, the rubber buffer block is arranged, so that when the speed regulating wheel drives the limiting rod to quickly reset along the limiting groove under the action of the torsion spring, the rubber buffer block can play a role in decelerating and buffering the limiting rod when the limiting rod is contacted with the rubber buffer block, and the limiting rod is prevented from bending on the inner wall of the starting end of the limiting groove due to too fast collision.
4. Through the arrangement of the bristles, when the speed of the electric locomotive is regulated through the speed regulating wheel, the bristles at the bottom of the cleaning plate can move against the second tooth brush on the top surface of the conical surface bulge before the conical surface bulge contacts with the unidirectional shaft sleeve, so that dust attached to the second tooth is cleaned, and the second tooth and the first tooth can be stably meshed together;
5. when the pressing rod is pressed to drive the speed regulating wheel to reset rapidly, the cleaning plate can be separated from the speed regulating wheel under the thrust action of the push rod to the inclined surface block, and the one-way shaft sleeve can be just kept attached to the speed regulating wheel under the limiting action of the locating pin and the locating hole, so that the resistance of the speed regulating wheel in the resetting process is reduced, and the speed regulating wheel is guaranteed to reset rapidly.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of a substrate according to the present invention;
FIG. 3 is a schematic perspective view of a locking assembly, a locating pin and a push rod of the present invention;
FIG. 4 is a perspective cross-sectional view of the locking assembly of the present invention;
FIG. 5 is a perspective view of the handle shaft, flywheel and bottom structure thereof of the present invention;
FIG. 6 is a perspective cross-sectional view of FIG. 5 in accordance with the present invention;
FIG. 7 is a perspective cross-sectional view of the flywheel, cone protrusion, stop collar and stop post of the present invention;
FIG. 8 is a schematic perspective view of a cleaning plate, bristles, stop block and ramp block of the present invention.
In the figure: 1. a substrate; 2. a flywheel; 3. a handle shaft; 4. a support ring; 5. a movable ring; 6. a support spring; 7. a swivel; 8. a torsion spring; 9. a limit rod; 10. a limit groove; 11. a gear lever; 12. a locking assembly; 121. a fixed rod; 122. a one-way sleeve; 123. a sliding sleeve; 124. briquetting; 125. a compression bar; 126. a connecting block; 127. a telescopic rod; 128. a pressing spring; 129. the conical surface is convex; 13. a positioning rod; 14. a reset assembly; 141. a movable rod; 142. tensioning the spring; 143. a fixed block; 15. a stop lever; 16. a limit sleeve; 17. a limit column; 18. a movable sleeve; 19. a rubber buffer block; 20. a cleaning plate; 21. brushing; 22. a limiting block; 23. a mounting groove; 24. a rod; 25. a return spring; 26. a bevel block; 27. a push rod; 28. a positioning pin; 29. and positioning holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
The invention provides a direction control and speed regulation device of a mining electric locomotive as shown in figures 1 to 7, which comprises a base plate 1, wherein the top of the base plate 1 is provided with a speed regulation wheel 2, the center of the top of the speed regulation wheel 2 is vertically and fixedly connected with a handle shaft 3, the bottom of the speed regulation wheel 2 is provided with a support ring 4, the support ring 4 is fixedly connected with the top of the base plate 1, the top of the support ring 4 is in sliding connection with a movable ring 5, a plurality of support springs 6 are fixedly connected between the bottom of the movable ring 5 and the inside of the support ring 4, the top of the movable ring 5 is fixedly connected with a rotating ring 7, the rotating ring 7 is rotatably arranged at the bottom of the speed regulation wheel 2, a torsion spring 8 is connected between the bottom of the speed regulation wheel 2 and the top of the base plate 1, the bottom of the speed regulation wheel 2 is vertically and fixedly connected with a limit rod 9, the position of the top of the base plate 1 opposite to the limit rod 9 is provided with a circular arc limit groove 10, and the bottom of the limit rod 9 is in connection with the limit groove 10, a gear lever 11 is arranged on one side of the speed regulating wheel 2, an electric driving shaft is connected to the middle part of the gear lever 11, the electric driving shaft is rotationally connected with the top of the base plate 1, the gear is switched by the rotation of the electric driving shaft to drive the gear lever 11 to rotate, thereby changing the change of the gear, the middle part of the gear lever 11 is rotationally connected with the top of the base plate 1, a limit bayonet is arranged at the position of the speed regulating wheel 2 opposite to the gear lever 11, a locking component 12 is arranged at the limit bayonet, a positioning rod 13 is arranged on one side of the gear lever 11 far away from the locking component 12, a reset component 14 is connected to the bottoms of the positioning rod 13 and the locking component 12, a plurality of gear bayonets are arranged at one end of the gear lever 11 close to the positioning rod 13, a stop lever 15 is symmetrically arranged on the front side and the rear side of the gear lever 11 and is vertically and fixedly connected to the top of the base plate 1, an indication arrow is arranged on the top surface of the speed regulating wheel 2, the direction of the indication arrow is the same as the forward rotation direction of the flywheel 2;
in an initial state, the gear lever 11 can prop against the locking assembly 12 under the limit of the positioning rod 13, so that the locking assembly 12 cannot move, the flywheel 2 can be kept locked under the limit of the limiting bayonet by the locking assembly 12, when the gear lever 11 finishes the gear switching, the gear lever 11 does not limit the locking assembly 12 any more, the flywheel 2 can be rotated through the handle shaft 3 at the moment, the speed control of an electric locomotive is realized, and the torsion spring 8 can be gradually in a power storage state in the process of adjusting the flywheel 2;
when the electric locomotive in advance or in the backward needs emergency stop or switches motion state, can press locking subassembly 12, locking subassembly 12 can automatic release the restriction to flywheel 2 this moment, and torsion spring 8 can release energy storage and drive flywheel 2 to reset afterwards to the restriction effect of cooperation gag lever post 9 and spacing groove 10 to flywheel 2 returns to initial locking state, can realize the switching operation of stopping or motion state of electric locomotive fast afterwards, guarantees the timeliness to electric locomotive control.
As shown in fig. 1 to 4, the locking assembly 12 includes a fixing rod 121, a unidirectional shaft sleeve 122 is rotatably sleeved on the fixing rod 121, the rotation direction of the unidirectional shaft sleeve 122 is opposite to the direction of the forward rotation of the flywheel 2, the lower half part of the unidirectional shaft sleeve 122 is conical, first clamping teeth are uniformly distributed on the conical surface of the unidirectional shaft sleeve 122, the bottom edge of the unidirectional shaft sleeve 122 is uniformly saw-toothed, a sliding sleeve 123 is arranged at the bottom of the unidirectional shaft sleeve 122, the top edge of the sliding sleeve 123 is uniformly saw-toothed, the top of the sliding sleeve 123 can be meshed with the bottom of the unidirectional shaft sleeve 122, a cylindrical movable cavity is formed in the position of the fixing rod 121 opposite to the sliding sleeve 123, a plurality of vertical connecting holes are uniformly formed in the inner wall of the periphery of the movable cavity in a penetrating manner, a circular pressing block 124 is arranged in the movable cavity, the top of the pressing block 124 is fixedly connected with a pressing rod 125, the top end of the compression bar 125 is slidingly inserted at the top of the fixed rod 121, the periphery of the compression block 124 is fixedly connected with a plurality of connection blocks 126, the connection blocks 126 are inserted in a plurality of connection holes one by one, one end of the connection block 126 away from the compression block 124 is fixedly connected with the inner wall of the sliding sleeve 123, a telescopic rod 127 is vertically and fixedly connected between the bottom of the compression block 124 and the bottom inner wall of the movable cavity, a jacking spring 128 is sleeved on the telescopic rod 127, two ends of the jacking spring 128 are respectively and fixedly connected with the bottom of the compression block 124 and the bottom inner wall of the movable cavity, the periphery of the speed regulating wheel 2 is fixedly connected with a conical surface bulge 129, the length of the conical surface bulge 129 covers the part of the periphery of the speed regulating wheel 2 except for a gear bayonet, the inclined surface of the conical surface bulge 129 is opposite to and parallel with the bottom of the unidirectional shaft sleeve 122, the top of the conical surface bulge 129 is uniformly provided with second clamping teeth, and the second clamping teeth can be meshed with the first clamping teeth, the maximum expansion amount of the expansion rod 127 is equal to the length of the limit hole, the maximum expansion amount of the expansion rod 127 is larger than the engagement depth of the saw teeth at the top of the sliding sleeve 123 and the saw teeth at the bottom of the unidirectional shaft sleeve 122, in an initial state, the inclined plane height of the conical surface bulge 129 can just keep fit with the inclined plane at the bottom of the unidirectional shaft sleeve 122, and two ends of the conical surface bulge 129 are smoothly connected with two sides of the limit bayonet;
when the gear lever 11 finishes switching and does not block the one-way shaft sleeve 122, the flywheel 2 can start to rotate under the drive of the handle shaft 3 along with the screwing of the handle shaft 3, in the process, the torsion spring 8 is gradually twisted and accumulated, the limiting rod 9 moves along the limiting groove 10 along with the drive of the flywheel 2, meanwhile, along with the rotation of the flywheel 2, the one-way shaft sleeve 122 is gradually moved out of the limiting bayonet under the pushing of the inner wall of the limiting bayonet, and along with the continuing rotation of the flywheel 2, the conical surface bulge 129 on the flywheel 2 is gradually meshed with the bottom surface of the one-way shaft sleeve 122, at the moment, the speed of the electric locomotive is also regulated along with the rotation of the flywheel 2, and the one-way shaft sleeve 122 starts to rotate under the transmission effect of the second latch on the first latch, and after the speed regulation operation of the electric locomotive is finished on the flywheel 2 along with the fact that the handle shaft 3 is not screwed any more, the flywheel 2 can stay at the current position under the limiting effect of the first latch on the second latch;
when the flywheel 2 needs to be reversely adjusted, the handle shaft 3 is pressed downwards and reversely screwed, the flywheel 2 moves downwards together with the movable ring 5 along with the downwards pressing of the handle shaft 3, the supporting spring 6 is gradually compressed at the moment, the second clamping teeth on the conical surface bulge 129 are separated from the first clamping teeth on the unidirectional shaft sleeve 122, the flywheel 2 is not limited by the unidirectional shaft sleeve 122 any more, so that the reverse adjustment of the flywheel 2 can be realized, and after the flywheel 2 finishes the adjustment operation, the movable ring 5 together with the flywheel 2 can move upwards again under the action of the supporting spring 6 along with the loosening of the handle shaft 3, and the second clamping teeth on the conical surface bulge 129 are meshed with the first clamping teeth on the unidirectional shaft sleeve 122 again, so that the flywheel 2 is locked again;
when the emergency stop is needed or the motion state of the electric locomotive is switched, the pressing rod 125 can be directly pressed, the pressing block 124 can drive the sliding sleeve 123 to move downwards together through the connecting block 126 under the pressing action of the pressing rod 125, in the process, the telescopic rod 127 and the jacking spring 128 are gradually compressed, the top of the sliding sleeve 123 is gradually separated from the bottom of the one-way shaft sleeve 122, the one-way shaft sleeve 122 is not limited by the sliding sleeve 123 after the top of the sliding sleeve 123 is completely separated from the bottom of the one-way shaft sleeve 122 along with the continuous downward movement of the sliding sleeve 123, so the one-way shaft sleeve 122 can freely rotate on the fixed rod 121, meanwhile, the torsion spring 8 in the power storage state can release energy storage, thereby automatically driving the speed regulating wheel 2 to reset, and then the stopping or the motion state switching operation of the electric locomotive can be realized effectively and rapidly, and the control timeliness of the electric locomotive is ensured.
As shown in fig. 1, the reset components 14 comprise movable rods 141, the movable rods 141 are horizontally arranged at the top of the base plate 1, the movable rods 141 in the two reset components 14 are respectively and fixedly connected to the bottoms of the fixed rods 121 and the positioning rods 13, one end of each movable rod 141 is rotationally connected with the top of the base plate 1, the other end of each movable rod 141 is fixedly connected with a tensioning spring 142, the length direction of each tensioning spring 142 is perpendicular to the corresponding movable rod 141, the two tensioning springs 142 in the two reset components 14 are respectively positioned at one side, close to the speed regulating wheel 2 or the gear lever 11, of each movable rod 141, one end, far away from the corresponding movable rod 141, of each tensioning spring 142 is connected with a fixed block 143, and each fixed block 143 is fixedly connected with the top of the base plate 1;
in the process of adjusting the flywheel 2 and the gear lever 11, the unidirectional shaft sleeve 122 or the positioning rod 13 on the fixed rod 121 can be tightly attached to the flywheel 2 or the gear lever 11 under the action of the tensioning spring 142 on the movable rod 141, and when the unidirectional shaft sleeve 122 or the positioning rod 13 moves to the corresponding limiting bayonet or gear bayonet, the unidirectional shaft sleeve 122 or the positioning rod 13 can be clamped in the limiting bayonet or gear bayonet under the action of the corresponding tensioning spring 142, so that the limitation on the flywheel 2 or the gear lever 11 is realized.
As shown in fig. 6 and 7, a limit sleeve 16 is arranged at the bottom center of the flywheel 2, the limit sleeve 16 is fixedly connected to the top of the base plate 1, a limit post 17 is inserted into the top of the limit sleeve 16 in a sliding manner, the limit post 17 is fixedly connected to the bottom of the flywheel 2, and the limit post 17 and the limit sleeve 16 can be kept in a tensioning state under the action of a supporting spring 6 in an initial state;
in the process of up-and-down movement of the flywheel 2, the deformation of each supporting spring 6 may be different, so that the flywheel 2 is rocked or inclined in the process of up-and-down movement, and further the second latch on the conical surface protrusion 129 cannot be well meshed with the first latch on the unidirectional shaft sleeve 122, and the limiting sleeve 16 is arranged in the process of up-and-down movement of the flywheel 2, so that the limiting sleeve 16 can be matched with the limiting post 17 to limit the flywheel 2, and the stability of the flywheel 2 in movement and the meshing degree of the first latch and the second latch are ensured.
As shown in fig. 3 and 4, the upper half part of the unidirectional shaft sleeve 122 is rotatably sleeved with the movable sleeve 18, a damper is arranged between the movable sleeve 18 and the unidirectional shaft sleeve 122, and the damping size is smaller than the minimum elastic force of the torsion spring 8;
when the flywheel 2 needs to be reversely adjusted, as the handle shaft 3 is pressed downwards, the second latch on the conical surface bulge 129 can be separated from the first latch at the bottom of the unidirectional shaft sleeve 122, at the moment, the flywheel 2 is not limited by the unidirectional shaft sleeve 122 any more, so that the flywheel 2 can freely rotate, but because the torsion spring 8 is in a force storage state at the moment, when the handle shaft 3 is not pinched by misoperation, the flywheel 2 can be quickly reset under the action of the torsion spring 8, so that the speed regulation of an electric locomotive is unstable, and by arranging the movable sleeve 18, even if the conical surface bulge 129 is separated from the bottom of the unidirectional shaft sleeve 122, the movable sleeve 18 can still be tightly attached to the side surface of the flywheel 2, so that when the handle shaft 3 is not pinched by misoperation, the rotation speed of the flywheel 2 can still be slowed down by resistance between the movable sleeve 18 and the unidirectional shaft sleeve 122, and the speed regulation stability of the electric locomotive is further ensured.
As shown in fig. 1 and 2, the center of the limit groove 10 coincides with the center of the flywheel 2, and a rubber buffer block 19 is fixedly connected to the groove wall at the starting end of the limit groove 10;
through being provided with rubber buffer block 19, when the speed regulating wheel 2 drives gag lever post 9 along the in-process of spacing groove 10 quick recovery under torsion spring 8's effect, when gag lever post 9 and rubber buffer block 19 contact, rubber buffer block 19 can play the effect of speed reduction buffering to gag lever post 9 to avoid gag lever post 9 to take place to buckle on the inner wall of spacing groove 10 starting end because of the too fast striking of speed.
As shown in fig. 1, 2, 3 and 8, the position of the conical surface protrusion 129 close to the limit bayonet is provided with an L-shaped cleaning plate 20, the top of the cleaning plate 20 is inclined upwards, the upward inclined angle of the top of the cleaning plate 20 is the same as the inclined angle of the inclined surface of the conical surface protrusion 129, the inner side of the top of the cleaning plate 20 is provided with bristles 21 opposite to the conical surface protrusion 129, the bristles 21 can be attached to the top of the conical surface protrusion 129, the bottom of the cleaning plate 20 is fixedly connected with a limit block 22, the position of the top of the base plate 1 opposite to the limit block 22 is provided with a mounting groove 23, the mounting groove 23 is positioned in the diameter direction of the flywheel 2, the limit block 22 is slidably mounted in the mounting groove 23, the limit block 22 vertically slides and penetrates through a plug-in rod 24 along the diameter direction of the flywheel 2, two ends of the plug-in rod 24 are respectively fixedly connected with two side groove walls corresponding to the mounting groove 23, the plug-in rod 24 is sleeved with a reset spring 25, the reset spring 25 is positioned at one side of the limiting block 22 far away from the flywheel 2, two ends of the reset spring 25 are fixedly connected with the limiting block 22 and the inner wall of the corresponding mounting groove 23 respectively, a bevel block 26 is fixedly connected to one side of the cleaning plate 20 close to the flywheel 2, the thickness of the bevel block 26 gradually increases from top to bottom in the direction close to the flywheel 2, a push rod 27 is horizontally arranged at one side of the bevel block 26 close to the flywheel 2, one end of the push rod 27 is fixedly connected with the sliding sleeve 123, in an initial state, the push rod 27 is close to the top of the bevel block 26, when the movable sleeve 18 is in contact with the flywheel 2, the push rod 27 is just jointed with the bevel block 26, an L-shaped locating pin 28 is arranged at one side of the sliding sleeve 123 close to the gear lever 11, the bottom of the locating pin 28 gradually inclines upwards in the direction close to the sliding sleeve 123, in the initial state, the bottom of the locating pin 28 is close to the top of the substrate 1, the top of the base plate 1 is provided with a positioning hole 29, the positioning hole 29 and the positioning pin 28 are positioned on the same movement track, and when the movable sleeve 18 is contacted with the speed regulating wheel 2, the positioning pin 28 is just opposite to the positioning hole 29, the bottom inner wall of the positioning hole 29 is of an inclined design, and the bottom inner wall of the positioning hole 29 is parallel to the bottom inclined surface of the positioning pin 28;
in the daily use process of the electric locomotive, because more dust exists in a mining area, the dust possibly adheres to the second latch on the surface of the conical surface bulge 129, so that the second latch on the conical surface bulge 129 and the first latch on the one-way shaft sleeve 122 cannot be well meshed together, at the moment, when the speed of the electric locomotive is regulated through the speed regulating wheel 2, the bristles 21 at the bottom of the cleaning plate 20 can be in toothbrush movement against the second latch on the top surface of the conical surface bulge 129 before the conical surface bulge 129 contacts the one-way shaft sleeve 122, and therefore the dust adhered to the second latch is cleaned, and the second latch and the first latch can be stably meshed together;
when the electric locomotive is regulated by rotating the speed regulating wheel 2, as the unidirectional shaft sleeve 122 moves out of the limiting bayonet, the movable rod 141 stretches the tension spring 142 under the thrust action of the limiting bayonet to the unidirectional shaft sleeve 122 and deflects towards the direction far away from the speed regulating wheel 2, the positioning pin 28 moves to the position at the top of the positioning hole 29 under the driving of the movable rod 141, when the motion state of the electric locomotive needs to be switched, as the pressing rod 125 is pressed down, the positioning pin 28 can be inserted into the positioning hole 29 under the driving of the sliding sleeve 123, so that the movable rod 141 and the stretched tension spring 142 are limited, and as the bottom inner wall of the positioning hole 29 is designed to be inclined, when the bottom of the positioning pin 28 is contacted with the bottom of the positioning hole 29, the positioning pin 28 can pull the movable rod 141 and the unidirectional shaft sleeve 122 to move a little distance away from the speed regulating wheel 2 under the action of the inclined surface of the bottom of the positioning hole 29, so that the unidirectional shaft sleeve 122 can keep a state just contacted with the side surface of the speed regulating wheel 2 under the limiting action of the positioning pin 28, and therefore, when the speed regulating wheel 2 rotates, the speed regulating wheel 2 is ensured not to be influenced by the reset force of the unidirectional shaft 2;
meanwhile, as the sliding sleeve 123 moves downwards, the sliding sleeve 123 can also squeeze the inclined surface block 26 through the push rod 27, so that the cleaning plate 20 drives the bristles 21 to move away from the conical surface protrusion 129 under the squeezing action of the push rod 27 on the inclined surface block 26, and meanwhile, the reset spring 25 is gradually compressed by the limiting block 22, so that the bristles 21 are separated from the conical surface protrusion 129, and the fact that the speed regulating wheel 2 is not subjected to resistance of the bristles 21 in the process of quickly resetting the speed regulating wheel 2 is ensured;
when the flywheel 2 is reset, the push rod 27 can be separated from the inclined surface block 26 upwards along with the release of the compression rod 125, and at this time, the limiting block 22 is not limited by the push rod 27, so that the cleaning plate 20 can be pressed close to the conical surface protrusion 129 again under the thrust action of the restoring spring 25 on the limiting block 22, the positioning pin 28 can be removed from the positioning hole 29 first, and then the movable rod 141 can drive the unidirectional shaft sleeve 122 to be clamped with the limiting bayonet under the action of the tensioning spring 142, so that the flywheel 2 can be locked again.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.
Claims (10)
1. The utility model provides a mining electric locomotive directional control and speed adjusting device, includes base plate (1), its characterized in that: the gear shifting mechanism is characterized in that a speed regulating wheel (2) is arranged at the top of the base plate (1), a gear lever (11) is arranged on one side of the speed regulating wheel (2), an electric driving shaft is connected to the middle part of the gear lever (11), the electric driving shaft is rotationally connected with the top of the base plate (1), the middle part of the gear lever (11) is rotationally connected with the top of the base plate (1), a limiting bayonet is formed in the position, opposite to the gear lever (11), of the speed regulating wheel (2), and a locking assembly (12) is arranged at the position of the limiting bayonet;
the locking component (12) comprises a fixed rod (121), the fixed rod (121) is rotationally sleeved with a one-way shaft sleeve (122), the lower half part of the one-way shaft sleeve (122) is conical, first clamping teeth are uniformly distributed on the conical surface of the one-way shaft sleeve (122), a sliding sleeve (123) is arranged at the bottom of the one-way shaft sleeve (122), a cylindrical movable cavity is formed in the position, opposite to the sliding sleeve (123), of the fixed rod (121), a plurality of vertical connecting holes are uniformly formed in the inner wall of the periphery of the movable cavity in a penetrating manner, a circular pressing block (124) is arranged in the movable cavity, the top of the pressing block (124) is fixedly connected with a pressing rod (125), the top of the pressing rod (125) is slidably inserted into the top of the fixed rod (121), a plurality of connecting blocks (126) are uniformly distributed on the periphery of the pressing block (124), one-to-one connecting blocks (126) are inserted into the connecting holes, one end, far away from the pressing block (124), of the inner wall of the sliding sleeve (123) is fixedly connected with one end, a plurality of the inner wall of the pressing block (124), a plurality of vertical connecting holes are uniformly penetrated through the inner wall of the bottom of the pressing block (124) and the inner wall of the movable cavity, a plurality of the pressing blocks (127) are fixedly connected with the top of the bottom of the movable cavity, the pressing block (124) respectively, the top of the pressing rod (128) and the bottom of the telescopic rod (124) are fixedly connected with the telescopic rod (127) respectively, the periphery fixedly connected with conical surface arch (129) of speed governing wheel (2), the top of conical surface arch (129) evenly is provided with the second latch, and the second latch can with first latch meshing.
2. The mining electric locomotive directional control and speed regulating device of claim 1, wherein: the utility model discloses a speed regulation device, including clearance board (20) of L shape is provided with in the position that conical surface protruding (129) is close to spacing bayonet socket, clearance board (20)'s top upward sloping, and clearance board (20) top upward sloping's angle is the same with conical surface protruding (129) inclined plane's inclination, clearance board (20) top inboard is provided with brush hair (21) with conical surface protruding (129) relative position, and brush hair (21) can laminate with conical surface protruding (129) top, clearance board (20)'s bottom fixedly connected with stopper (22), mounting groove (23) have been seted up in base plate (1) top and stopper (22) relative position, mounting groove (23) are located the diameter direction of speed regulation wheel (2), stopper (22) slidable mounting is in mounting groove (23), stopper (22) are along the perpendicular slip of speed regulation wheel (2) diameter direction and are run through, the both sides fixed connection that both ends that insert rod (24) correspond with mounting groove (23) respectively, cup joint reset spring (25) on insert rod (24), reset spring (25) are located the diameter direction of two sides that reset spring (25) are located and are located the corresponding to speed regulation wheel (25) and are fixed with the inner wall (25) of speed regulation wheel (2), the cleaning plate (20) is fixedly connected with an inclined surface block (26) at one side of the vertical section close to the speed regulating wheel (2), the thickness of the inclined surface block (26) gradually increases from top to bottom in the direction close to the speed regulating wheel (2), a push rod (27) is horizontally arranged at one side of the inclined surface block (26) close to the speed regulating wheel (2), one end of the push rod (27) is fixedly connected with a sliding sleeve (123), in an initial state, the push rod (27) is close to the top of the inclined surface block (26), when the movable sleeve (18) is in contact with the speed regulating wheel (2), the push rod (27) is just attached to the inclined surface block (26), an L-shaped locating pin (28) is arranged at one side of the sliding sleeve (123) close to the gear lever (11), the bottom of the locating pin (28) gradually inclines upwards in the direction close to the sliding sleeve (123), in an initial state, a locating hole (29) is formed in the top of the substrate (1), the locating hole (28) is located on the same movement track as the locating pin (28) and is just opposite to the locating pin (29) when the movable sleeve (18) is in contact with the locating hole (29), and the inner wall of the bottom of the positioning hole (29) is parallel to the bottom inclined plane of the positioning pin (28).
3. The mining electric locomotive directional control and speed regulating device of claim 2, wherein: the utility model discloses a speed regulation device, including speed regulation wheel (2), base plate (1), support ring (4), movable ring (5) are pegged graft in the top of support ring (4), a plurality of supporting springs (6) are fixedly connected with between the bottom of movable ring (5) and the inside of support ring (4), the top fixedly connected with swivel becket (7) of movable ring (5), swivel becket (7) rotate and install in the bottom of speed regulation wheel (2), be connected with torsion spring (8) between the bottom of speed regulation wheel (2) and the base plate (1) top, the bottom vertical fixedly connected with gag lever post (9) of speed regulation wheel (2), gag lever post (10) are seted up at the position that base plate (1) top is relative with gag lever post (9), and peg graft in gag lever post (10), one side that gear lever post (11) kept away from locking subassembly (12) is provided with swivel becket (7), gear (13) and one end that are close to (13) of locking subassembly (13), gear (13) are located to the one end of setting up of gear (13) and are located to the position subassembly (13, the gear lever (11) is symmetrically provided with a stop lever (15) at the front side and the rear side, and the stop lever (15) is vertically and fixedly connected to the top of the base plate (1).
4. The mining electric locomotive directional control and speed regulating device according to claim 3, wherein: the direction of rotation of one-way axle sleeve (122) is opposite with the direction when speed regulating wheel (2) forward rotation, the bottom edge of one-way axle sleeve (122) is even zigzag design, the top edge of sliding sleeve (123) is also even zigzag design, and the top of sliding sleeve (123) can be in the same place with the bottom meshing of one-way axle sleeve (122), the length cover of conical surface protruding (129) is in the peripheral part except gear bayonet socket of speed regulating wheel (2), the inclined plane of conical surface protruding (129) is relative and parallel with one-way axle sleeve (122) bottom.
5. The mining electric locomotive directional control and speed regulating device of claim 4, wherein: the utility model provides a reset subassembly (14) is including movable rod (141), movable rod (141) level sets up at the top of base plate (1), two movable rod (141) in reset subassembly (14) are fixed connection respectively in the bottom of dead lever (121) and locating lever (13), the one end of movable rod (141) is rotated with the top of base plate (1) and is connected, the other end fixedly connected with tensioning spring (142) of movable rod (141), the length direction of tensioning spring (142) is perpendicular with movable rod (141), and two tensioning springs (142) in two reset subassemblies (14) are located one side that two movable rods (141) are close to speed regulating wheel (2) or gear pole (11) respectively, the one end that movable rod (141) was kept away from to tensioning spring (142) is connected with fixed block (143), the top fixed connection of fixed block (143) and base plate (1).
6. The mining electric locomotive directional control and speed regulating device of claim 5, wherein: the novel speed regulation device is characterized in that a limiting sleeve (16) is arranged at the center of the bottom of the speed regulation wheel (2), the limiting sleeve (16) is fixedly connected to the top of the base plate (1), a limiting column (17) is slidably inserted into the top of the limiting sleeve (16), the limiting column (17) is fixedly connected to the bottom of the speed regulation wheel (2), and the limiting column (17) and the limiting sleeve (16) can be kept in a tensioning state under the action of a supporting spring (6) in an initial state.
7. The mining electric locomotive directional control and speed regulating device of claim 6, wherein: the upper half part of the one-way shaft sleeve (122) is rotatably sleeved with a movable sleeve (18), a damper is arranged between the movable sleeve (18) and the one-way shaft sleeve (122), and the damping size is smaller than the minimum elastic force of the torsion spring (8).
8. The mining electric locomotive directional control and speed regulating device of claim 7, wherein: the center of the limit groove (10) coincides with the center of the speed regulating wheel (2), a rubber buffer block (19) is fixedly connected to the groove wall at the starting end of the limit groove (10), an indication arrow is arranged on the top surface of the speed regulating wheel (2), and the direction of the indication arrow is the same as the forward rotation direction of the speed regulating wheel (2).
9. The mining electric locomotive directional control and speed regulating device of claim 8, wherein: the maximum telescopic quantity of the telescopic rod (127) is equal to the length of the limiting hole, and the maximum telescopic quantity of the telescopic rod (127) is larger than the engagement depth of the saw teeth at the top of the sliding sleeve (123) and the saw teeth at the bottom of the unidirectional shaft sleeve (122).
10. The mining electric locomotive directional control and speed regulating device of claim 9, wherein: in the initial state, the inclined plane height of the conical surface bulge (129) just can keep fit with the inclined plane at the bottom of the one-way shaft sleeve (122), and the two ends of the conical surface bulge (129) are smoothly connected with the two sides of the limiting bayonet.
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| CN202410255049.5A CN117841711B (en) | 2024-03-06 | 2024-03-06 | Direction control and speed regulation device for mining electric locomotive |
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| CN202410255049.5A CN117841711B (en) | 2024-03-06 | 2024-03-06 | Direction control and speed regulation device for mining electric locomotive |
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