CN116512939B - Intelligent speed increasing device of mining electric drive car - Google Patents
Intelligent speed increasing device of mining electric drive car Download PDFInfo
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- CN116512939B CN116512939B CN202310793722.6A CN202310793722A CN116512939B CN 116512939 B CN116512939 B CN 116512939B CN 202310793722 A CN202310793722 A CN 202310793722A CN 116512939 B CN116512939 B CN 116512939B
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- 238000005065 mining Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 claims description 16
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- 230000003137 locomotive effect Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
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- 230000001360 synchronised effect Effects 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 14
- 238000009413 insulation Methods 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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- 230000001174 ascending effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Handcart (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The application relates to an intelligent speed increasing device of a mining electric drive vehicle, which comprises a vehicle head, wherein the vehicle head is connected with a driven vehicle frame, a driving module is arranged at the lower end of the vehicle head, a speed increasing module is arranged at the lower end of the driven vehicle frame, a locking brake module matched with the speed increasing module is arranged in the driven vehicle frame, a placing frame is arranged in the upper end of the driven vehicle frame in a sliding manner up and down, a spring piece is connected between the lower end of the placing frame and the driven vehicle frame, and a starting module arranged on the side wall of the placing frame is matched with a power supply module for use and connection. The application can solve the problems that when the existing underground coal mine rail car runs at a high speed, the connected driven carriage body impacts the underground coal mine rail car in the prior art forwards due to inertia reasons, so that the car body is damaged and derailed, and the power device in the prior art provides power for the running mechanism, but does not consider the situation that the gravity of the car body is different when the car runs in no-load and when the car runs in cargo.
Description
Technical Field
The application relates to the technical field related to mining electric drive vehicles, in particular to an intelligent speed increasing device of a mining electric drive vehicle.
Background
Mining electric drives are mainly used for underground transportation of major roadways and long-distance transportation on the ground. The electric locomotive is equivalent to an electric locomotive in railway transportation, a train consisting of a mine car or a man car is pulled to walk on a track, and the electric locomotive for completing the transportation of coal, gangue, materials, equipment and personnel is called a mining electric drive car, so that the electric drive car can be accelerated for improving the production work efficiency and shortening the time.
The existing submerged operation vehicle, such as the China patent with the bulletin number of CN204674586U, discloses a submerged operation vehicle for a coal mine, and specifically comprises a pair of rails, a vehicle frame, a traveling mechanism, a power device, a brake device, a cab, a hydraulic lifting platform and a small hydraulic station.
Among the above-mentioned prior art, mainly be the automobile body structure, and brake equipment sets up on the frame, mainly used brakes running gear, when above-mentioned prior art is connected with current movable driven railway carriage body, when above-mentioned colliery underground railway carriage or car is high-speed, after its brake, the driven railway carriage or car body of its connection leads to striking on the colliery underground railway carriage or car of prior art forward because of inertial cause, cause the automobile body to damage and the condition of derailing, and the power device among the above-mentioned prior art provides power for running gear, but not consider empty load and carry the gravity of automobile body self when going, the condition that the power was insufficient to overweight automobile body supplied is easily led to the measurement, the speed when leading to carrying is comparatively slow, thereby influence holistic work efficiency, based on this, on current mining electric drive car technique, still there is the space that can improve.
Disclosure of Invention
In order to enable a mining motor car to travel at a speed after cargo is loaded and prevent a driven car frame from striking a car head during braking in the underground operation process of a coal mine, the application provides an intelligent speed-increasing device of a mining electric drive car.
The application provides an intelligent speed increasing device of a mining electric drive car, which adopts the following technical scheme:
the utility model provides a mining electric drive car intelligence accelerating device, includes the locomotive, the locomotive is connected with driven frame, and the lower extreme of locomotive is provided with drive module, and driven frame's lower extreme is provided with the module of accelerating, and with the inside of module matched with locking brake module setting at driven frame, locking brake module is used for controlling the module of accelerating brake and places the locking of frame position, places the frame and slides from top to bottom and set up inside driven frame's upper end, and is connected with the spring spare between the lower extreme of placing the frame and the driven frame, sets up the start module and the power module cooperation use of placing the frame lateral wall and be connected.
The locking brake module comprises a double-head cylinder, a linkage frame, a brake block, a resistance increasing block, a pushing head and a locking assembly, wherein the middle part of the double-head cylinder is connected with the inner wall of a driven frame through a cylinder seat, the lower end of the double-head cylinder is connected with the linkage frame, the brake block is symmetrically arranged at the lower sides of the left end and the right end of the linkage frame, the resistance increasing block is arranged at the lower end of the middle part of the linkage frame, the locking assembly connected with the linkage frame is arranged on the driven frame, the locking assembly locks and connects a placing frame which descends to the lowest position, and the descending of the linkage frame brakes the speed increasing module and unlocks the placing frame.
By adopting the technical scheme, in the running process of the actual mining electric drive vehicle, when the goods are not loaded, the placing frame is not pressed down, the power supply module only supplies power to the driving module, then the power supply module is started, so that the mining electric drive vehicle is driven to run on the track after the driving module is electrified until the specified position is reached to stop braking, then the goods are loaded on the placing frame by workers, the placing frame is gradually pressed down by the weight of the goods, when the placing frame is pressed down to the lowest position, the locking assembly locks the position of the placing frame at the moment, the starting module is matched with the power supply module to form serial circuit connection among the driving module, the accelerating module and the power supply module, after the goods are loaded, the power supply module is started, and the driving module and the accelerating module are synchronously driven by the power supply of the power supply module, when the mining electric drive vehicle drives goods to travel to the unloading position, the linkage frame and the pushing head are driven to move reversely through the double-head air cylinder, the descending linkage frame drives the brake block and the resistance increasing block to synchronously descend so as to be contacted with the speed increasing module and the track, the gradual braking and the deceleration are further carried out, the descending linkage frame unlocks the locking assembly, the position of the placing frame and the position of the driven frame are not locked, after the placing frame and the driven frame are unlocked, the lifting-delayed pushing head drives the unlocked placing frame to move upwards, the starting module and the power supply module are in an open circuit state, the power supply module at the moment is in a recovery initial state so as to supply power to the driving module only, the mining electric drive vehicle is in a speed reduction running under the contact deceleration among the brake block, the resistance increasing block, the speed increasing module and the track, and when the mining electric drive vehicle travels to the unloading position, and closing the driving module, stopping running of the mining electric driving vehicle, and starting unloading of personnel.
Preferably, the driving module comprises a rotating shaft, a driving wheel, a first double-shaft motor and a connecting belt, wherein the rotating shaft is symmetrically arranged in a built-in groove formed in the lower end of the headstock, the connecting belt is connected between the rotating shafts, the driving wheel is symmetrically arranged at the front end and the rear end of the rotating shaft, the rotating shaft arranged on the right side is connected with an output shaft of the first double-shaft motor, the first double-shaft motor is arranged in the built-in groove, and a brake assembly is arranged below the headstock.
Through adopting above-mentioned technical scheme, in actual locomotive driving process, the pivot rotation of drive corresponding position is driven to biax motor after the circular telegram to drive the drive wheel and rotate, make it walk on the track.
Preferably, the speed increasing module comprises a connecting shaft, a speed increasing wheel, a double-shaft motor II and a driving belt, wherein the hidden groove formed in the lower end of the driven frame is uniformly provided with the rotatable connecting shaft from left to right, the driving belt is connected between the connecting shafts, the speed increasing wheel is symmetrically arranged at the front end and the rear end of the connecting shaft, the connecting shaft arranged at the left side is connected with the output shaft of the double-shaft motor II, and the double-shaft motor II is arranged in the hidden groove.
Preferably, the section of the speed increasing wheel is of an H-shaped structure, and the positions of the brake blocks and the speed increasing wheel correspond to each other.
Preferably, the linkage frame comprises connecting rod and U type frame, and the lower extreme and the U type frame of double-end cylinder are connected, and the upper end and the connecting rod of U type frame are connected.
Through adopting above-mentioned technical scheme, in actual driven frame driving process, drive the connecting axle rotation of corresponding position behind the double-shaft motor second circular telegram to drive the speed-raising wheel rotation, make it walk on the track.
Preferably, the locking assembly comprises a locking hook, an internal spring and a connecting rope, wherein the locking hook is horizontally arranged in a sliding groove formed in the driven frame in a sliding manner, the internal spring is connected between the locking hook and the sliding groove, the outer end of the locking hook is connected with one end of the connecting rope, the other end of the connecting rope penetrates through the direction changing piece and then is connected with the end part of the linkage frame, the direction changing piece is arranged on the driven frame, a hook-shaped groove is formed in the lower end of the placing frame, and the position between the hook-shaped groove and the locking hook corresponds.
Through the technical scheme, in the actual locking process of the driven frame which descends to the lowest position, after the driven frame descends to the lowest position, the locking hook can be clamped in the hook-shaped groove to lock the position of the driven frame, at the moment, the positioning of the driven frame is used for guaranteeing stable matching between the starting module and the power supply module, the power supply module is guaranteed to supply power to the driving module and also supply power to the accelerating module, when the driven frame is braked subsequently, in order to avoid the condition that the driven frame impacts forwards due to inertia, the locking brake module is arranged, when the locking brake module is started, the linkage frame is driven to descend through the double-head cylinder, at the moment, the locking hook moves outwards to be not clamped with the hook-shaped groove any more, along with the upward pushing of the pushing head which is delayed to ascend, the driven frame is driven upwards pushed, at the moment, the main purpose is to process the unlocking of the position of the driven frame and the upward pushing of the driven frame, the single driving lifting speed (the driving module) is compared with the double driving accelerating speed (the driving module and the speed module), the running speed is reduced, and the driven frame is prevented from being stopped when the driven frame is braked by the action of the lifting brake module and the driven frame is stopped forwards due to the fact that the inertia is not to be stopped.
Preferably, the direction changing piece comprises a fixing frame and a direction changing roller, the fixing frame is arranged on the driven frame, and the direction changing roller is rotatably arranged at the lower end of the fixing frame.
Preferably, the starting module comprises an insulating shell, conductive pieces and contact blocks, wherein the insulating shell is arranged on the side wall of the placing frame, the conductive pieces are symmetrically arranged on the upper side and the lower side of the left end of the insulating shell, the conductive pieces are connected with the double-shaft motor II through wires, and the contact blocks are arranged on the rear side of the left end of the insulating shell.
Preferably, the power supply module comprises an insulating frame, a power supply group, a switch key, contact pieces and a reversing conductive assembly, wherein the insulating frame is arranged at the bottom of an inner chamber of a vehicle head, a cushion layer is paved at the upper end of the insulating frame, the power supply group, the switch key, the contact pieces and the double-shaft motor I which are arranged inside the insulating frame are electrically connected, the contact pieces are distributed in an up-down separation mode, the reversing conductive assembly between the contact pieces is connected with the insulating frame, and the reversing conductive assembly is matched with the starting module.
Preferably, the reversing conductive assembly comprises a fixed plate, a rotating shaft, a torsion spring, a conductive rod, a compression rod and an insulating rod, wherein the fixed plate is installed inside the insulating shell, the rotating shaft is rotatably arranged on the fixed plate, the torsion spring is connected between the rotating shaft and the fixed plate, the conductive rod is installed in the middle of the rotating shaft, the right end of the rotating shaft is connected with one end of the compression rod, the insulating rod is connected between the fixed plate and the contact piece, and the conductive rod at the initial position is contacted with the contact piece.
By adopting the technical scheme, in order to ensure that the application is driven by the driving module to operate singly and driven by the driving module to operate doubly during cargo transportation during idle running, the circuit condition is controlled by the matching of the starting module and the power supply module, the placing frame is at the highest position under the action of the spring piece during idle running, the contact piece and the conducting rod are in a connection state, a complete circuit is formed among the power supply group, the switch key, the contact piece, the conducting rod and the first double-shaft motor, the first double-shaft motor can be electrified to operate only by starting the switch key, the first double-shaft motor can be electrified to operate after the placing frame is stressed by cargo during cargo loading running, the insulating shell which is synchronously descended drives the contact block to descend in the descending process of the placing frame, so that one side of the stressed rod is pressed down, the rotating shaft rotates to drive the conducting rod to rotate, and the rotating conducting rod is separated from the contact piece when the placing frame descends to the lowest position, and the rotating conducting rod contacts the contact piece, the complete circuit is formed among the power supply group, the switch key, the contact piece, the conducting piece, the first double-shaft motor and the second double-shaft motor can be electrified to operate only by starting the switch key, and the first double-shaft motor can be electrified to operate synchronously after the double-shaft motor is driven by increasing the driving speed.
Preferably, the initial position of the pressure receiving rod is in a horizontal state, and the other end of the pressure receiving rod is always in contact with the contact block.
Preferably, the contact piece is of an arc-shaped structure, and the contact point arranged at the right end of the contact piece corresponds to the position between the conductive piece.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the intelligent speed-increasing device for the mining electric drive vehicle adopts a double-drive mode to control the running speed, and aims at carrying out targeted drive adjustment under the two conditions of no-load and carrying, so that the condition of insufficient power caused by large carrying capacity is avoided.
2. The locking brake module is in linkage structure with the starting module, the power supply module and the placing frame, firstly, the contact condition between the contact piece and the conducting rod or the conducting piece is controlled through the lifting of the placing frame, so that the power supply condition of the power supply module to the module is controlled, the aim of adjusting and driving according to a scene is achieved, secondly, when a brake structure (a brake block and a resistance increasing block) in the locking brake module descends, the placing frame at the lowest position is unlocked, then the pushing head is pushed upwards and lifted upwards, the lifting placing frame changes the adjustment of the reversing conducting assembly, the contact piece is contacted with the conducting rod again, at the moment, the power supply module only supplies power to the driving module, the brake block and the resistance increasing block descend to speed-up wheels and rails, meanwhile, double driving in running is changed into single driving, follow-up braking is facilitated, and the whole braking process is two-section braking compared with the existing single emergency braking, and the driving safety braking is improved.
3. The insulating shell is connected with the side wall of the placing frame, the contact block arranged at the rear side of the left end of the insulating shell is contacted with the pressure receiving rod, so that the rotation condition of the rotating shaft is controlled, when the placing frame is at the initial position (highest position), the contact piece is contacted with the conducting rod, the power supply module only supplies power to the driving module, at the moment, the speed cannot be influenced due to no-load running, after the placing frame is pressed down to the lowest position by the pressure receiving rod, the contact block presses one side of the pressure receiving rod, the rotating shaft rotates, at the moment, the contact piece is separated from the conducting rod, the contact point on the contact piece is contacted with the conducting piece, and the power supply module supplies power to the driving module and the accelerating module simultaneously, so that sufficient power during cargo carrying running is ensured.
Drawings
FIG. 1 is a first schematic construction of the present application;
FIG. 2 is a second schematic structural view of the present application;
FIG. 3 is a top view of the present application;
FIG. 4 is a cross-sectional view A-A of FIG. 3 in accordance with the present application;
FIG. 5 is a schematic diagram of a first configuration between a start-up module and a power module according to the present application;
FIG. 6 is a second schematic diagram of the structure between the starting module and the power supply module of the present application;
FIG. 7 is an enlarged view of a portion of the application at X of FIG. 1;
fig. 8 is an enlarged view of a portion of the application at Y of fig. 4.
Reference numerals illustrate: 1. a headstock; 2. a driven frame; 3. a driving module; 4. a speed increasing module; 5. locking a brake module; 6. placing a frame; 7. a spring member; 8. starting a module; 9. a power supply module; 31. a rotating shaft; 32. a driving wheel; 33. a double-shaft motor I; 34. a connecting belt; 41. a connecting shaft; 42. a speed increasing wheel; 43. a double-shaft motor II; 44. a transmission belt; 51. a double-headed cylinder; 52. a linkage frame; 53. a brake block; 54. resistance increasing blocks; 55. a pushing head; 56. a locking assembly; 57. a direction changing member; 561. a locking hook; 562. a built-in spring; 563. a connecting rope; 81. an insulating case; 82. a conductive member; 83. a contact block; 91. an insulating frame; 92. a power pack; 93. a switching key; 94. a contact; 95. a commutation conductive assembly; 951. a fixing plate; 952. a rotating shaft; 953. a torsion spring; 954. a conductive rod; 955. a compression bar; 956. an insulating rod.
Detailed Description
The embodiment of the application discloses an intelligent speed increasing device of a mining electric drive car, which can increase the speed of the mining electric drive car after loading and transporting goods and prevent a driven car frame 2 from striking a car head 1 during braking.
Referring to fig. 1 to 8, an intelligent speed-raising device for a mining electric drive vehicle disclosed in this embodiment comprises a vehicle head 1, the vehicle head 1 is connected with a driven vehicle frame 2, a driving module 3 is arranged at the lower end of the vehicle head 1, a speed-raising module 4 is arranged at the lower end of the driven vehicle frame 2, a locking brake module 5 matched with the speed-raising module 4 is arranged in the driven vehicle frame 2, the locking brake module 5 is used for controlling the braking of the speed-raising module 4 and the locking of the position of a placing frame 6, the placing frame 6 is arranged in the upper end of the driven vehicle frame 2 in a vertically sliding manner, a spring piece 7 is connected between the lower end of the placing frame 6 and the driven vehicle frame 2, and a starting module 8 arranged on the side wall of the placing frame 6 is matched with a power supply module 9 for use and connection.
Referring to fig. 4, the locking brake module 5 includes a double-headed cylinder 51, a linkage frame 52, a brake block 53, a resistance increasing block 54, a pushing head 55 and a locking assembly 56, the middle part of the double-headed cylinder 51 is connected with the inner wall of the driven frame 2 through a cylinder seat, the lower end of the double-headed cylinder 51 is connected with the linkage frame 52, the brake block 53 is symmetrically installed at the lower sides of the left and right ends of the linkage frame 52, the resistance increasing block 54 is installed at the lower end of the middle part of the linkage frame 52, the locking assembly 56 connected with the linkage frame 52 is arranged on the driven frame 2, the locking assembly 56 locks and connects the placing frame 6 which is lowered to the lowest position, and the lowering of the linkage frame 52 brakes and unlocks the placing frame 6, in the process of the mining electric drive vehicle filled with goods, the linkage frame 52 and the pushing head 55 are driven by the double-headed cylinder 51 to reversely move, the resistance increasing block 54 and the pushing head 55 are synchronously lowered along with the linkage frame 52, thereby the speed increasing block 4 and the track are lowered in a contact manner, and simultaneously, the locking assembly 56 is pulled and pulled, the placing frame 6 is not locked with the driven frame 2, and then the power supply module 9 is unlocked, and the power supply module is placed in the initial state 9, and the power supply module is not locked, and the power supply module is in the initial state is unlocked, and the power supply module is placed in the state and the initial state is in the state 9.
In the actual running process of the mining electric drive vehicle, when the goods are not loaded, the placing frame 6 is not pressed down, the power supply module 9 only supplies power to the driving module 3, then the power supply module 9 is started, the mining electric drive vehicle of the application is driven to run on a track after the driving module 3 is electrified until the braking stop at a specified position is reached (at this time, the weight of the driven frame 2 is insufficient to strike the vehicle head 1 due to inertia and derailment is not caused due to no-load running), then the goods are loaded on the placing frame 6 by a worker, the placing frame 6 is gradually pressed down by the weight of the goods, after the placing frame 6 is pressed down to the lowest position, at this time, the locking component 56 locks the position of the placing frame 6 (the placing frame 6 in the locked state is always at the lowest position), the starting module 8 is matched with the power supply module 9 to form a series circuit connection between the driving module 3, the accelerating module 4 and the power supply module 9, after goods are loaded, the power supply module 9 is started, the driving module 3 and the accelerating module 4 are synchronously driven by the power supply of the power supply module 9, so that the mining electric driving vehicle is driven to perform variable speed running on a track (the situation that the running speed is reduced due to weight increase after the goods are loaded is ensured by adding the accelerating module 4), when the mining electric driving vehicle drives the goods to be driven to a unloading position, the linkage frame 52 and the pushing head 55 are driven to sequentially and reversely move by the double-head air cylinder 51 (the linkage frame 52 descends, the pushing head 55 ascends), the descending linkage frame 52 drives the brake block 53 and the resistance increasing block 54 to synchronously descend, thereby being contacted with the accelerating module 4 and the track, and gradually braking and decelerating, the descending linkage frame 52 unlocks the locking component 56, so that the positions of the placing frame 6 and the driven frame 2 are not locked any more, after the placing frame 6 and the driven frame 2 are unlocked, the push head 55 which is delayed to ascend drives the unlocked placing frame 6 to move upwards, so that the starting module 8 and the power supply module 9 are in an open-circuit state, the power supply module 9 at the moment resumes the initial state to supply power to the driving module 3 only, under the contact deceleration among the brake block 53, the resistance increasing block 54, the speed increasing module 4 and the track, the mining electric driving vehicle is decelerated, when the mining electric driving vehicle is driven to a unloading position, the driving module 3 is closed, and personnel begin to unload.
Referring to fig. 2 and 4, the driving module 3 includes a rotating shaft 31, a driving wheel 32, a first dual-shaft motor 33 and a connecting belt 34, the rotating shaft 31 is symmetrically disposed in a built-in groove formed at the lower end of the headstock 1, the connecting belt 34 is connected between the rotating shafts 31, the driving wheel 32 is symmetrically mounted at the front and rear ends of the rotating shaft 31, the rotating shaft 31 disposed at the right side is connected with an output shaft of the first dual-shaft motor 33, the first dual-shaft motor 33 is mounted in the built-in groove, a brake assembly is disposed below the headstock 1, the brake assembly is in the prior art, and when the driving module 3 needs to be stopped, the driving module 3 is closed, and meanwhile, the purpose of braking is achieved through the brake assembly.
In the running process of the actual vehicle head 1, the first double-shaft motor 33 is powered on to drive the rotating shaft 31 at the corresponding position to rotate, so that the driving wheel 32 is driven to rotate, and the vehicle head walks on the track.
Referring to fig. 2 and 4, the speed increasing module 4 includes a connecting shaft 41, a speed increasing wheel 42, a second biaxial motor 43 and a driving belt 44, wherein the hidden groove formed at the lower end of the driven frame 2 is uniformly provided with the rotatable connecting shaft 41 from left to right, the driving belt 44 is connected between the connecting shafts 41, the speed increasing wheel 42 is symmetrically installed at the front end and the rear end of the connecting shaft 41, the connecting shaft 41 arranged at the left side is connected with the output shaft of the second biaxial motor 43, and the second biaxial motor 43 is installed in the hidden groove; the section of the speed-raising wheel 42 is of an H-shaped structure, the H-shaped structure is arranged to be matched with the track structure, the adaptability between the speed-raising wheel 42 and the track is ensured, the position between the brake block 53 and the speed-raising wheel 42 corresponds to that between the brake block 53 and the speed-raising wheel 42, and the brake block 53 is gradually clamped at the concave position of the surface of the speed-raising wheel 42 after being lowered, so that the purpose of braking is achieved; the linkage frame 52 is composed of a connecting rod and a U-shaped frame, the lower end of the double-head air cylinder 51 is connected with the U-shaped frame, and the upper end of the U-shaped frame is connected with the connecting rod.
In the actual running process of the driven frame 2, the second biaxial motor 43 is electrified to drive the connecting shaft 41 at the corresponding position to rotate, so that the speed-raising wheel 42 is driven to rotate, and the vehicle walks on the track.
Referring to fig. 7, the locking assembly 56 includes a locking hook 561, an internal spring 562 and a connecting rope 563, the locking hook 561 is horizontally slidably disposed in a sliding groove formed in the driven frame 2, the internal spring 562 is connected between the locking hook 561 and the sliding groove, the internal spring 562 keeps a trend of pushing the locking hook 561 inward all the time, the outer end of the locking hook 561 is connected with one end of the connecting rope 563, the other end of the connecting rope 563 passes through the direction changing member 57 and then is connected with an end of the linkage frame 52, the direction changing member 57 is mounted on the driven frame 2, a hook groove is formed in the lower end of the placement frame 6, and the position between the hook groove and the locking hook 561 corresponds.
In the actual locking process of the driven frame 2 which descends to the lowest position, after the driven frame 2 descends to the lowest position, the locking hook 561 is clamped in the hook-shaped groove to lock the position of the driven frame 2, at the moment, the positioning of the driven frame 2 is used for ensuring stable matching between the starting module 8 and the power supply module 9, the power supply module 9 is ensured to supply power to the driving module 3 and simultaneously supply power to the accelerating module 4, when the driven frame 2 is braked subsequently, in order to avoid the condition that the driven frame 2 is impacted forwards due to inertia, the locking brake module 5 is arranged, when the locking brake module 5 is started, the linkage frame 52 is driven to descend through the double-head cylinder 51, at the moment, the locking hook 561 moves outwards under the driving of the connecting rope 563 so as not to be clamped with the hook-shaped groove, and the upward pushing of the pushing head 55 which delays ascending, thereby driving the driven frame 2 upwards pushes the driven frame 2, at the moment, the unlocking of the position of the driven frame 2 and the upward pushing of the driven frame are ensured, the main purpose is that the power supply module 9 and the accelerating module 4 are also powered, when the single driving speed (driving module 3) is braked, compared with the double-driving module 3, the driven frame 2 is prevented from being impacted forwards, the driven frame 2 is prevented from being stopped, the running down due to the inertia, the phenomenon that the driven frame 2 is stopped forwards, and the running speed is prevented from being greatly increased, and the running speed is avoided, and the running speed is caused by the driving frame 2.
In addition to this, as shown in fig. 7, in order to reduce the resistance of the connecting rope 563 during traction, the present application specifically provides a direction-changing member 57 to change and reduce resistance of the connecting rope 563 during traction, and specifically, the direction-changing member 57 is composed of a fixed frame and a direction-changing roller, the fixed frame is mounted on the driven frame 2, the lower end of the fixed frame is rotatably provided with the direction-changing roller, and the rotation setting of the direction-changing roller does not generate more friction with the passing connecting rope 563.
Referring to fig. 5 and 8, the starting module 8 includes an insulating shell 81, a conductive member 82, and a contact block 83, where the insulating shell 81 is mounted on a side wall of the placement frame 6, the conductive member 82 is symmetrically mounted on upper and lower sides of a left end of the insulating shell 81, the conductive member 82 is connected with the two spindle motors 43 through a wire, and the contact block 83 is mounted on a rear side of the left end of the insulating shell 81.
Referring to fig. 5, 6 and 8, the power supply module 9 includes an insulation frame 91, a power supply unit 92, a switch key 93, a contact 94 and a reversing conductive assembly 95, the insulation frame 91 is installed at the bottom of the inner chamber of the vehicle head 1, a cushion layer is laid at the upper end of the insulation frame 91, the power supply unit 92, the switch key 93, the contact 94 and the dual-shaft motor 33 which are arranged inside the insulation frame 91 are electrically connected, the power supply unit 92 serves as power supply, the contact 94 is distributed vertically and separately, the reversing conductive assembly 95 between the contact 94 is connected with the insulation frame 91, the reversing conductive assembly 95 is matched with the starting module 8, the contact 94 is in an arc structure, a contact point arranged at the right end of the contact 94 corresponds to a position between the conductive member 82, the contact point and the conductive member 82 are in a separated state during idle running, and the contact point and the conductive member 82 are contacted during cargo running.
Referring to fig. 6 and 8, the commutation conductive assembly 95 includes a fixed plate 951, a rotating shaft 952, a torsion spring 953, a conductive rod 954, a compression rod 955 and an insulating rod 956, the fixed plate 951 is installed inside the insulating shell 81, the rotating shaft 952 is rotatably provided on the fixed plate 951, the torsion spring 953 is connected between the rotating shaft 952 and the fixed plate 951, the torsion spring 953 plays a reset role on the rotating shaft 952 which is rotatably connected, the conductive rod 954 is installed in the middle of the rotating shaft 952, the right end of the rotating shaft 952 is connected with one end of the compression rod 955, the insulating rod 956 is connected between the fixed plate 951 and the contact piece 94, the insulating rod 956 plays an insulating effect, the conductive rod 954 at an initial position contacts with the contact piece 94, the conductive rod 954 at the initial position is in an upright state, the initial position of the compression rod 955 is in a horizontal state, and the other end of the compression rod 955 always contacts with the contact piece 83.
In order to ensure that the application is in single-drive operation of the driving module 3 and in double-drive operation of the driving module 3 and the accelerating module 4 during cargo transportation, the circuit condition is controlled by matching between the starting module 8 and the power supply module 9, the placing frame 6 is in the highest position under the action of the spring element 7 during idle running, the contact element 94 and the conducting rod 954 are in a connection state, at the moment, a complete circuit is formed between the power supply group 92, the switch key 93, the contact element 94 and the conducting rod 954 and the double-shaft motor one 33, the double-shaft motor one 33 can be electrified for operation, the placing frame 6 is lowered to the lowest position after being subjected to the weight of cargoes, the insulating shell 81 which is lowered synchronously drives the contact block 83 to be lowered in the lowering process of the placing frame 6, thereby one side of the pressed rod 955 is pressed, at the moment, the rotating shaft rotates to drive the conducting rod 954, at the moment, the rotating conducting rod 94 is separated from the contact element 94 and contacts the conducting rod 82, the contact element 94 and the conducting rod 82, the double-shaft motor one 33 is in contact with the contact element 94, and the double-shaft motor one 33 is required to be electrified for operation, and the double-shaft motor one 43 is required to be completely and two-shaft motor one-33 is required to be electrified for operation after the double-shaft motor one is completely and two-shaft motor 33 is completely has been started.
The implementation principle of the embodiment is as follows:
(1) The vehicle runs in no-load, the switch key 93 is started, and the driving module 3 is driven to run in a single mode, so that the vehicle head 1 and the driven vehicle frame 2 are driven to move to the working position and then stop moving;
(2) When the placing frame 6 descends to the lowest position, the rotating conducting rod 954 is separated from the contact piece 94 and the contact piece 94 is contacted with the conducting piece 82, and a complete circuit is formed among the power supply group 92, the switch key 93, the contact piece 94, the conducting piece 82, the first double-shaft motor 33 and the second double-shaft motor 43;
(3) The cargo loading driving and starting switch key 93, the driving module 3 and the accelerating module 4 drive the headstock 1 and the driven frame 2 to move synchronously, when the headstock 1 and the driven frame 2 move to the position to be unloaded, the double-headed cylinder 51 drives the linkage frame 52 and the pushing head 55 to move reversely (the linkage frame 52 descends, the pushing head 55 ascends), the descending linkage frame 52 drives the brake block 53 and the resistance increasing block 54 to descend synchronously so as to contact with the accelerating module 4 and the track, further gradually brake and decelerate, the descending linkage frame 52 drives the locking hook 561 to move under the pulling of the connecting rope 563 so as to enable the locking hook 561 to be unlocked from the hook-shaped groove, after the locking hook-shaped groove and the locking hook-shaped groove are unlocked, the pushing head 55 delayed to drive the unlocked placing frame 6 to move upwards, so that the contact piece 94 is separated from the conductive piece 82 again, at the moment, the conductive rod 954 is contacted with the contact piece 94 again, the power supply module 9 resumes the initial state, the mining electric driving vehicle is only decelerated, and drives the mining electric vehicle to run at the speed between the brake block 53, the resistance increasing block 54 and the accelerating module 4 and the track, when the mining vehicle is driven to the position, the mining vehicle is stopped, and the mining driver stops driving and the unloading driver starts to unload.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (3)
1. The utility model provides an intelligent speed increaser of mining electric drive car, includes locomotive (1), its characterized in that: the vehicle head (1) is connected with the driven vehicle frame (2), a driving module (3) is arranged at the lower end of the vehicle head (1), a speed-increasing module (4) is arranged at the lower end of the driven vehicle frame (2), a locking braking module (5) matched with the speed-increasing module (4) is arranged in the driven vehicle frame (2), the locking braking module (5) is used for controlling the braking of the speed-increasing module (4) and the locking of the position of a placing frame (6), the placing frame (6) is arranged in the upper end of the driven vehicle frame (2) in a sliding manner, a spring piece (7) is connected between the lower end of the placing frame (6) and the driven vehicle frame (2), and a starting module (8) arranged on the side wall of the placing frame (6) is matched with the power supply module (9) for use;
the locking brake module (5) comprises a double-head cylinder (51), a linkage frame (52), brake blocks (53), resistance-increasing blocks (54), a pushing head (55) and a locking assembly (56), wherein the middle part of the double-head cylinder (51) is connected with the inner wall of the driven frame (2) through a cylinder seat, the lower end of the double-head cylinder (51) is connected with the linkage frame (52), the brake blocks (53) are symmetrically arranged at the lower sides of the left end and the right end of the linkage frame (52), the resistance-increasing blocks (54) are arranged at the lower ends of the middle part of the linkage frame (52), a locking assembly (56) connected with the linkage frame (52) is arranged on the driven frame (2), the locking assembly (56) locks and connects a placing frame (6) which descends to the lowest position, and the descending of the linkage frame (52) brakes and unlocks the speed-increasing module (4);
the driving module (3) comprises a rotating shaft (31), driving wheels (32), a first double-shaft motor (33) and a connecting belt (34), wherein the rotating shaft (31) is symmetrically arranged in a built-in groove formed in the lower end of the headstock (1), the connecting belt (34) is connected between the rotating shafts (31), the driving wheels (32) are symmetrically arranged at the front end and the rear end of the rotating shaft (31), the rotating shaft (31) arranged on the right side is connected with an output shaft of the first double-shaft motor (33), the first double-shaft motor (33) is arranged in the built-in groove, and a brake component is arranged below the headstock (1);
the speed increasing module (4) comprises a connecting shaft (41), a speed increasing wheel (42), a double-shaft motor II (43) and a transmission belt (44), wherein the rotatable connecting shaft (41) is uniformly arranged in a hidden groove formed in the lower end of the driven frame (2) from left to right, the transmission belt (44) is connected between the connecting shafts (41), the speed increasing wheel (42) is symmetrically arranged at the front end and the rear end of the connecting shaft (41), the connecting shaft (41) arranged at the left side is connected with the output shaft of the double-shaft motor II (43), and the double-shaft motor II (43) is arranged in the hidden groove;
the section of the speed increasing wheel (42) is of an H-shaped structure, and the positions of the brake blocks (53) and the speed increasing wheel (42) are corresponding;
the linkage frame (52) consists of a connecting rod and a U-shaped frame, the lower end of the double-head cylinder (51) is connected with the U-shaped frame, and the upper end of the U-shaped frame is connected with the connecting rod;
the locking assembly (56) comprises a locking hook (561), an internal spring (562) and a connecting rope (563), wherein the locking hook (561) is horizontally arranged in a sliding groove formed in the driven frame (2) in a sliding way, the internal spring (562) is connected between the locking hook (561) and the sliding groove, the outer end of the locking hook (561) is connected with one end of the connecting rope (563), the other end of the connecting rope (563) passes through the direction changing piece (57) and then is connected with the end part of the linkage frame (52), the direction changing piece (57) is arranged on the driven frame (2), a hook-shaped groove is formed in the lower end of the placing frame (6), and the position between the hook-shaped groove and the locking hook (561) corresponds;
the direction changing piece (57) consists of a fixed frame and a direction changing roller, the fixed frame is arranged on the driven frame (2), and the direction changing roller is rotatably arranged at the lower end of the fixed frame;
the starting module (8) comprises an insulating shell (81), conductive pieces (82) and contact blocks (83), wherein the insulating shell (81) is arranged on the side wall of the placing frame (6), the conductive pieces (82) are symmetrically arranged on the upper side and the lower side of the left end of the insulating shell (81), the conductive pieces (82) are connected with the double-shaft motor II (43) through wires, and the contact blocks (83) are arranged on the rear side of the left end of the insulating shell (81);
the power supply module (9) comprises an insulating frame (91), a power supply group (92), a switch key (93), contacts (94) and a reversing conductive assembly (95), wherein the insulating frame (91) is arranged at the bottom of an inner chamber of a vehicle head (1), a cushion layer is paved at the upper end of the insulating frame (91), the power supply group (92), the switch key (93), the contacts (94) and a double-shaft motor I (33) which are arranged inside the insulating frame (91) are electrically connected, the contacts (94) are distributed in an up-down separation manner, the reversing conductive assembly (95) which is arranged between the contacts (94) is connected with the insulating frame (91), and the reversing conductive assembly (95) is matched with the starting module (8);
the reversing conductive assembly (95) comprises a fixed plate (951), a rotating shaft (952), a torsion spring (953), a conductive rod (954), a compression rod (955) and an insulating rod (956), wherein the fixed plate (951) is installed inside an insulating shell (81), the rotating shaft (952) is rotatably arranged on the fixed plate (951), the torsion spring (953) is connected between the rotating shaft (952) and the fixed plate (951), the conductive rod (954) is installed in the middle of the rotating shaft (952), the right end of the rotating shaft (952) is connected with one end of the compression rod (955), the insulating rod (956) is connected between the fixed plate (951) and a contact piece (94), and the conductive rod (954) at an initial position is contacted with the contact piece (94);
when the vehicle runs in no-load, the placing frame (6) is at the highest position under the action of the spring piece (7), the contact piece (94) and the conducting rod (954) are in a connection state, a complete circuit is formed among the power supply group (92), the switch key (93), the contact piece (94), the conducting rod (954) and the double-shaft motor I (33), the switch key (93) is started, and the double-shaft motor I (33) is electrified to run; when the goods load is carried, place frame (6) and receive the back decline to the minimum position of weight of goods, in place frame (6) decline in-process, insulating shell (81) that descends in step drives contact block (83) decline, thereby one side of depression bar (955) is pressed down, thereby rotation axis (952) takes place to rotate and drive conducting rod (954) rotation this moment, when placing frame (6) and descend to the minimum position, rotatory conducting rod (954) and contact piece (94) separation and contact piece (94) and contact with conducting piece (82), at this moment power pack (92), switch key (93), contact piece (94), conducting piece (82), biax motor one (33), form complete circuit between biax motor two (43), start switch key (93), biax motor one (33), biax motor two (43) synchronous on-state.
2. The intelligent speed increasing device for the mining electric drive car according to claim 1, wherein: the initial position of the pressure receiving rod (955) is in a horizontal state, and the other end of the pressure receiving rod (955) is always contacted with the contact block (83).
3. The intelligent speed increasing device for the mining electric drive car according to claim 2, wherein: the contact piece (94) is of an arc-shaped structure, and the contact point arranged at the right end of the contact piece (94) corresponds to the position between the conductive piece (82).
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| CN202310793722.6A CN116512939B (en) | 2023-06-30 | 2023-06-30 | Intelligent speed increasing device of mining electric drive car |
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| CN202310793722.6A CN116512939B (en) | 2023-06-30 | 2023-06-30 | Intelligent speed increasing device of mining electric drive car |
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| CN116512939B true CN116512939B (en) | 2023-08-22 |
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| CN113306589A (en) * | 2021-06-08 | 2021-08-27 | 淮北祥泰科技有限责任公司 | Intelligent transfer trolley with rails and using method |
| CN114852111A (en) * | 2022-06-13 | 2022-08-05 | 刘波 | Equipment inspection robot for underground coal mine |
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| KR20030038228A (en) * | 2001-11-10 | 2003-05-16 | 주식회사 포스코 | Quick breaker of unloader |
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| CN116512939A (en) | 2023-08-01 |
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