CN112919370B - Walking type electric carrier - Google Patents
Walking type electric carrier Download PDFInfo
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- CN112919370B CN112919370B CN202110148011.4A CN202110148011A CN112919370B CN 112919370 B CN112919370 B CN 112919370B CN 202110148011 A CN202110148011 A CN 202110148011A CN 112919370 B CN112919370 B CN 112919370B
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- 230000007246 mechanism Effects 0.000 claims abstract description 136
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000000969 carrier Substances 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07504—Accessories, e.g. for towing, charging, locking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07509—Braking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07572—Propulsion arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/0759—Details of operating station, e.g. seats, levers, operator platforms, cabin suspension
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Handcart (AREA)
Abstract
The invention discloses a walking type electric carrier, which comprises a fork, a lifting driving mechanism, an operating mechanism, a power supply mechanism, a traveling mechanism, a braking mechanism assembly and a base, wherein the fork is arranged on one side of the power supply mechanism; the travelling mechanism comprises travelling wheels; the braking mechanism assembly comprises a motor braking driving mechanism and an electromagnetic braking mechanism, and the motor braking driving mechanism and the electromagnetic braking mechanism are respectively arranged on two sides of the travelling wheel. The electric carrier is ingenious in structure and convenient to operate, the service braking is guaranteed by adopting the electromagnetic braking mechanism and the motor braking mechanism, the service safety of operators is fully considered, the use effect of the electric carrier is guaranteed, and the electric carrier is beneficial to popularization and application of the electric carrier in the technical field of carriers.
Description
Technical Field
The invention relates to the technical field of a carrier, in particular to a walking type electric carrier.
Background
The carrier plays the commodity circulation handling equipment of transport goods effect promptly. When the manual pallet truck is used in a carrying station, the pallet fork borne by the manual pallet truck is inserted into the pallet hole, lifting and descending of pallet cargoes are realized by a manual driving hydraulic system, and carrying operation is completed by manual pulling. The loading and unloading and carrying tool is the simplest, most effective and most common loading and unloading and carrying tool in the pallet carrying tools of the carrying station.
The development history of the carrier, which is subject to 3 generations of development, is developing to the fourth generation.
The first generation of carrier is manual carrier, CBY for short, its characteristic is automatic, intelligent degree is not high, but it makes great contribution to the mechanized transportation conversion for manual transportation, until today, it still has certain position in the carrier market;
The second generation of carrier is an internal combustion carrier represented by an internal combustion forklift, namely FT, which has higher automation, the internal combustion forklift takes an engine as power, the power is strong, the defect is that the waste gas is discharged to pollute the environment, the efficiency is lower, the human health is harmful, and the carrier is not suitable for the food industry;
the third generation of the transport vehicle is a full-electric transport vehicle represented by an electric forklift, namely CBD for short, the degree of automation of the transport vehicle is equivalent to that of an internal combustion forklift, but the transport vehicle is updated by a power technology pushed by an energy-saving and environment-friendly concept, battery power is used, the electric transport vehicle has the advantages of energy conservation, no exhaust emission, low noise and the like, is the best choice of the food industry, is considered as one of the most potential forklifts in the future by the transport vehicle industry due to the outstanding energy conservation advantage, but encounters development bottleneck, and has low power and short operation time due to the limitation of the capacity of a storage battery;
The fourth generation of carrier development is represented by automatic unmanned carriers, AGVs for short, and AGVs are expected to be widely applied in the 50 th century, are effective means for logistics transportation in the current Flexible Manufacturing System (FMS) and automatic warehouse system, modern AGVs are controlled by computers, most AGVs are provided with system centralized control and management computers for optimizing the operation process of the AGVs, sending a carrying instruction, tracking members in transmission and controlling the route of the AGVs, and the guiding modes of the unmanned carriers mainly comprise electromagnetic induction guiding, laser guiding, magnet gyro guiding and the like, so that the unmanned carriers can be programmed to input and guide the carriers to complete carrying work, and the intelligent and relatively high carrier.
At present, the driving mode of the traditional electric carrier adopts a high-speed motor and a reduction gearbox to obtain the required speed, and in order to enable the vehicle to obtain the parking brake, electromagnetic brakes are arranged on a high-speed main shaft of the high-speed motor. However, since the hub motor directly outputs the final torque force, it becomes very difficult to park the vehicle, and if an electromagnetic brake is used, the volume and power of the electromagnetic brake are very large, and the requirements cannot be satisfied.
In order to solve the technical problems, the patent with the Chinese patent publication number of CN208134310U provides a brake system of an electric carrier, which comprises an operating handle, wherein the lower end of the operating handle is connected with a handle rod, the bottom of the handle rod is fixedly provided with a spring fixing sleeve, the spring fixing sleeve is connected with a driving frame, a brake assembly is arranged on the driving frame and used for braking wheels on the driving frame; the top of the driving frame is provided with a first bracket and a second bracket which are opposite, the spring fixing sleeve is arranged between the first bracket and the second bracket, a first shaft is fixed on the first bracket, the first shaft is inserted into the spring fixing sleeve, the first shaft is connected with a rotating block, the rotating block is rotationally connected with the spring fixing sleeve through a first pin shaft, and the spring fixing sleeve rotates around the first shaft and drives the rotating block to rotate; the rotating block is abutted against a first bearing, a clamping groove is formed in the second bracket, and the first bearing is arranged in the clamping groove and can move up and down; a second shaft is arranged below the spring fixing sleeve, one end of the second shaft is inserted into the first bracket, the other end of the second shaft is inserted into the clamping groove to form a jacking fit with the bearing, and the technical problem that the electric carrier is inconvenient to brake in the carrying process is solved.
However, the brake system is complex in structure, and parts are easy to wear in the braking process, so that the electric carrier is low in service life and safety, and the popularization and the use of the brake system on the electric carrier are not facilitated.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the walking electric carrier, which has the advantages of ingenious structure, convenience in operation and double guarantee of electromagnetic braking and motor braking, fully considers the driving safety of operators, ensures the use effect of the electric carrier and is beneficial to popularization and application of the electric carrier in the technical field of carriers.
In order to achieve the aim, the invention adopts the following technical scheme that the walking type electric carrier comprises a fork, a lifting driving mechanism, an operating mechanism, a power supply mechanism, a traveling mechanism, a braking mechanism assembly and a base, wherein the fork is arranged on one side of the power supply mechanism, the base is arranged on the other side of the power supply mechanism, and the lifting driving mechanism and the operating mechanism are arranged on the base; the travelling mechanism comprises travelling wheels; the braking mechanism assembly comprises a motor braking driving mechanism and an electromagnetic braking mechanism, and the motor braking driving mechanism and the electromagnetic braking mechanism are respectively arranged on two sides of the travelling wheel.
As a preferable scheme of the invention, the motor braking driving mechanism comprises a driving wheel, a direct current motor, an internal gear, a driving gear, a driven bevel gear and a transmission gear, wherein the driving gear is arranged at the output end of the direct current motor, the internal gear is arranged in the driving wheel, and the internal gear, the transmission gear, the driving gear and the driven bevel gear are sequentially meshed and matched.
As a preferred embodiment of the invention, the inner gear is tightly engaged with the driving wheel and is fixed by bolts.
As a preferable scheme of the invention, the motor braking driving mechanism further comprises a gear box, the gear box is sleeved outside the driving gear, a gear box cover is further arranged at the end part of the gear box, and the electromagnetic braking mechanism is arranged on the gear box cover.
As a preferable mode of the present invention, a motor rotor is installed in the direct current motor and the motor rotor part extends to the outside of the direct current motor; the electromagnetic braking mechanism comprises a spline sleeve, a brake block, an armature, a stator and a cover plate, wherein the spline sleeve is arranged on a motor rotor outside the direct current motor, the brake block is arranged outside the spline sleeve, and the stator and the armature are arranged outside the brake block; when no power is supplied, the armature and the stator are in clearance arrangement, the armature and the brake block are in close fit with each other and are arranged between the cover plates, the brake block is matched with the spline sleeve, the spline sleeve is matched with the motor rotor through a flat key, and the motor rotor stops moving to achieve braking action of the travelling wheels.
As a preferable scheme of the invention, a manual release brake is also arranged on the stator, the manual release brake comprises a release rotating shaft and an arm lever, the release rotating shaft is a cam shaft with a plane and a circular shaft surface and is arranged on the stator through a pull rod screw, and the arm lever is arranged on the release rotating shaft; when the circular shaft surface of the release rotating shaft is attached to the surface of the stator, the pull rod screw lifts the stator upwards to enable a gap to be formed between the armature and the brake pad, and the manual release brake is in a release state.
As a preferable scheme of the invention, the power supply mechanism comprises a power supply protection cover, a power supply battery and a charger, wherein the power supply battery is arranged at the top of the power supply protection cover, and the charger is arranged in the power supply protection cover.
As a preferable mode of the invention, the control mechanism comprises a control handle, a control rod and a control panel, wherein the control rod is arranged at the middle position of the two control handles, and the control panel is arranged at the top of the control rod.
As a preferable scheme of the invention, a manual descending handle is arranged on the side edge of the control panel, and an electric lifting button is arranged on the surface of the control panel; the lifting driving mechanism comprises a hydraulic driving mechanism and a motor driving mechanism, the manual descending handle is connected with the hydraulic driving mechanism, and the electric lifting button is electrically connected with the motor driving mechanism.
As a preferable scheme of the invention, the control handle is provided with a backward anti-collision switch, the back of the power supply protective cover is provided with a scram switch, and the scram switch and the backward anti-collision switch are electrically connected with the power supply mechanism.
According to the walking type electric carrier disclosed by the invention, the fork, the lifting driving mechanism, the control mechanism, the power supply mechanism, the travelling mechanism, the braking mechanism assembly and the base are arranged, the braking mechanism is arranged to be used for electromagnetic braking and motor braking dual braking, so that the driving safety of operators is fully considered, the use effect of the electric carrier is ensured, and the popularization and the application of the electric carrier in the technical field of carriers are facilitated.
Drawings
FIG. 1 is a schematic view of a walking electric truck in an embodiment;
FIG. 2 is a schematic diagram showing the structural arrangement of a motor brake driving mechanism and an electromagnetic brake mechanism in a walking electric carrier according to an embodiment;
FIG. 3 is a schematic diagram showing the structural arrangement of a motor brake driving mechanism and an electromagnetic brake mechanism in a walking electric carrier according to an embodiment;
FIG. 4 is a schematic structural view of an electromagnetic brake mechanism in a walking electric carrier in an embodiment;
FIG. 5 is a structural cross-sectional view of an electromagnetic brake mechanism in the walk-behind electric vehicle in the embodiment;
FIG. 6 is a schematic view of a manual release brake in a walk-behind electric truck in an embodiment;
FIG. 7 is a schematic view of a manual release brake in a walk-behind electric truck in an embodiment;
FIG. 8 is a schematic view of a walking electric truck in an embodiment;
FIG. 9 is an enlarged schematic view of the structure at A in FIG. 8;
FIG. 10 is an enlarged schematic view of the structure at B in FIG. 8;
FIG. 11 is a schematic view of a walking electric truck in an embodiment;
FIG. 12 is an enlarged schematic view of the structure at C in FIG. 11;
FIG. 13 is a schematic view of a structure of a walking electric truck in the embodiment;
fig. 14 is an enlarged schematic view of the structure at D in fig. 13;
FIG. 15 is an enlarged schematic view of the structure at E in FIG. 13;
fig. 16 is a schematic structural view of the walking electric carrier in the embodiment.
Reference numerals: 1. a fork; 2. a lifting driving mechanism; 3. a control mechanism; 30. manually lowering the handle; 31. an electric lifting button; 32. a control handle; 33. a manipulation panel; 34. a joystick; 35. an electric quantity display panel; 36. a reminder; 4. a power supply mechanism; 40. a power supply protection cover; 41. a power supply battery; 42. a charger; 5. a walking mechanism; 50. a walking wheel; 51. a balancing stand; 6. an inductive switch; 7. a base; 8. a motor braking driving mechanism; 81. a gear box; 82. driving the wheel; 85. a DC motor; 810. an internal gear; 814. a drive gear; 816. a brake; 825. a passive helical gear; 826. a gear box cover; 827. A transmission gear; 9. an electromagnetic braking mechanism; 91. a motor rotor; 92. a spline housing; 93. a brake pad; 94. an armature; 95. A stator; 96. a cover plate; 10. a backward anti-collision switch; 11. an emergency stop switch; 12. manually releasing the brake; 120. releasing the rotating shaft; 121. a pull rod screw; 122. an arm lever.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
Examples: as shown in fig. 1 to 16, the walking electric carrier comprises a fork 1 for placing goods, a lifting driving mechanism 2 for driving the fork 1 to lift and descend, an operation and control mechanism 3, a power supply mechanism 4, a traveling mechanism 5, a braking mechanism and a base 7, wherein the fork 1 is arranged on one side of the power supply mechanism 4, the base 7 is arranged on the other side of the power supply mechanism 4 for facilitating the fork 1 to carry the goods, and the lifting driving mechanism 2 and the operation and control mechanism 3 are arranged on the base 7 for ensuring the stability of the structures of the lifting driving mechanism 2 and the operation and control mechanism 3 and ensuring the use effect of the carrier.
The power supply mechanism 4 is installed between the lifting driving mechanism 2 and the fork 1, and supplies power to the lifting driving mechanism 2, the power supply mechanism 4 comprises a power supply protection cover 40, a power supply battery 41 and a charger 42, the charger 42 is arranged in the power supply protection cover 40, the power supply battery 41 is arranged at the top of the power supply protection cover 40, namely, the power supply battery 41 is arranged to be quickly inserted, so that the power supply battery 41 is convenient to assemble and disassemble, the power supply battery 41 can be taken out to charge, the whole carrier does not need to be moved to a charging position for charging, in addition, the lifting driving mechanism 2 is arranged on one side of the power supply mechanism 4, the relative positions of the lifting driving mechanism 2 and the power supply protection cover 40 are compact, a power supply circuit is shortened, the power supply mechanism 4 and the charger 42 are sealed by arranging the power supply protection cover 40, dust is prevented from entering, the service life is prolonged, and the whole carrier is coordinated, compact and attractive.
The travelling mechanism 5 is arranged at the bottom of the base 7, and the travelling mechanism 5 comprises low-noise and wear-resistant travelling wheels 50, so that the noise of the carrier in the use process is low, and the use experience of a user can be effectively enhanced. In order to further ensure the balance of the walking electric carrier during running or stopping, the balance frames 51 are symmetrically arranged at two sides of the walking wheel 50 to ensure the balance of the carrier.
The braking mechanism assembly comprises double braking of an electromagnetic braking mechanism 9 and an electric motor braking driving mechanism 8, the electric motor braking driving mechanism 8 and the electromagnetic braking mechanism 9 are respectively arranged on two sides of the travelling wheel 50, travelling safety of operators is fully considered, the use effect of the electric carrier is guaranteed, and popularization and application of the electric carrier in the technical field of the carrier are facilitated.
The motor braking driving mechanism 8 includes a driving wheel 82, a dc motor 85, an internal gear 810, a driving gear 814, a driven bevel gear 825, and a transmission gear 827, wherein the driving gear 82 is mounted at an output end of the dc motor 85, and the transmission gear 827, the driving gear 814, and the driven bevel gear 825 are sequentially engaged with each other.
In order to ensure the stability of the internal gear 810 and the driving wheel 82 during the transmission process and reduce the occurrence probability of sliding teeth, the internal gear 810 is mounted in the driving wheel 82 and fixed by bolts, so that the internal gear 810 rotates along with the rotation of the driving wheel 82.
The motor braking driving mechanism 8 further comprises a gear box 81, the gear box 81 is sleeved outside the driving gear 82, the driving gear 82 is prevented from being influenced by external impurities, a gear box cover 826 is further mounted at the end part of the gear box 81, and the electromagnetic braking mechanism 9 is mounted on the gear box cover 826.
A motor rotor 91 is installed in the DC motor 85 and the motor rotor 91 extends to the outside of the DC motor 85; the electromagnetic brake 9 includes a spline housing 92, a brake block 93, an armature 94, a stator 95, and a cover plate 96, wherein the spline housing 92 is mounted on the motor rotor 91 outside the dc motor 85, the brake block 93 is mounted outside the spline housing 92, and the stator 95 and the armature 94 are mounted outside the brake block 93.
When the electric motor is not electrified, the armature 94 and the stator 95 are arranged in a clearance way, the armature 94, the brake pad 93 and the cover plate 96 are closely attached, the brake pad 93 and the spline housing 92 are matched, the spline housing 92 and the motor rotor 91 are matched and installed through a flat key, and the motor rotor 91 stops moving to realize the braking action of the travelling wheel 50.
When the electric power is supplied, the armature 94 and the stator 95 are attracted, and at this time, a gap exists between the brake pad 93 and the cover plate 96, so that the motor rotor 91 can smoothly rotate.
In order to ensure the stability of the structure of the cover plate 96 and reduce the probability of falling off during use, the cover plate 96 is fixedly mounted on the electromagnetic brake motor 90.
In this embodiment, a manual release brake 12 is further provided, the manual release brake 12 is mounted on the stator 95, the manual release brake 12 includes a release shaft 120 and an arm lever 122, the release shaft 120 is a cam shaft having a plane and is mounted on the stator 95 through a pull rod screw 121, a through hole is provided on the pull rod screw 121, mounting shafts are provided at both ends of the release shaft 120, a cross-sectional area of the mounting shaft is smaller than a cross-sectional area of a main body of the release shaft 120, the mounting shafts are adapted to the through hole, the release shaft 120 is rotatably mounted in the through hole of the pull rod screw 121, the pull rod screw 121 extends from the stator 95 to the armature 94, the arm lever 122 is mounted on the release shaft 120, and the manual release brake 12 is in a braking state when the plane on the release shaft 120 is in contact with a surface of the stator 95; the arm lever 122 on the release shaft 120 is manually moved to enable the release shaft 120 to rotate to the other end (180 degrees), the circular shaft surface of the release shaft 120 is attached to the surface of the stator 95, the pull rod screws 121 at the two ends pull the stator 95 upwards, the pull rod screws 121 lift the stator 95 upwards to enable a gap between the armature 94 and the brake pad 93 to be arranged, the manual release brake 12 is in a release state, when the electric quantity of the whole vehicle is exhausted or a circuit fails, the manual release brake 12 is used for manually releasing the brake, and the carrier is manually pulled to a specified position for charging or maintenance, for example, the manual release brake can be used as a manual carrier on a semi-electric carrier through the function.
The lifting driving mechanism 2 is provided with the inductive switch 6, and the inductive switch 6 is non-contact, so that touch, pressing and the like can be effectively avoided, and the service life of the inductive switch 6 is ensured.
The control mechanism 3 comprises a control handle 32, a control rod 34 and a control panel 33, wherein the control rod 34 is arranged at the middle position of the two control handles 32, so that the operation of operators is facilitated, and the control panel 33 is arranged at the top of the control rod 34, so that the operation and the observation of users are facilitated.
A manual descending handle 30 is arranged on the side of the control panel 33, and an electric lifting button 31 is arranged on the surface of the control panel 33; the lifting driving mechanism 2 comprises a hydraulic driving mechanism and a motor driving mechanism, the manual descending handle 30 is connected with the hydraulic driving mechanism, the electric lifting button 31 is electrically connected with the motor driving mechanism, an operator can realize electric lifting and manual descending or electric lifting and electric descending, two power devices are assembled on the same vehicle body, the operator can freely select, the use experience is enhanced, and the popularization and the application of the electric carrier in the technical field of carriers are facilitated.
The control panel 33 has a power display panel 35 for displaying the power allowance, so that the user can conveniently replace the power supply battery 41 or charge the charger 42, thereby avoiding affecting the use of the carrier.
The surface of the control panel 33 is provided with a reminder 36 which can remind surrounding personnel of entering the vehicle so as to avoid collision.
The walking electric carrier further comprises a power-off brake device for realizing power-off brake of the carrier when the control handle 32 is pressed or released.
The control handle 32 is provided with a backward anti-collision switch 10, the backward anti-collision switch 10 is connected with the power supply mechanism 4, when the vehicle is in a dangerous state, the power supply can be cut off by pressing the backward anti-collision switch 10, the vehicle stops running, and the safety of the operator and equipment is protected.
The power supply protection cover 40 is provided with a scram switch 11 at the back, the scram switch 11 is electrically connected with the power supply mechanism 4, when the vehicle is retreated and the distance between the scram switch 11 and the rear obstacle is within the set distance range, the power supply is automatically cut off, and the vehicle stops running.
The walk-behind electric truck employs a strong metal housing to protect the motor and road wheels 50, while also reliably protecting the operator's feet to improve safety.
The walking electric carrier in this embodiment is succinct, smart, reliable, easy to operate, compact structure, turn radius is little, and the dead weight is little, can use in the container, and low noise, high performance are through setting up fork, lifting drive mechanism, control mechanism, power supply mechanism, running gear, brake mechanism and base, set up the brake mechanism into electromagnetic braking and motor braking dual braking, have fully considered the driving safety of operator, guarantee electric carrier's result of use, are favorable to above-mentioned electric carrier to be in carrier technical field's popularization and application.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: 1. a fork; 2. a lifting driving mechanism; 3. a control mechanism; 30. manually lowering the handle; 31. an electric lifting button; 32. a control handle; 33. a manipulation panel; 34. a joystick; 35. an electric quantity display panel; 36. a reminder; 4. a power supply mechanism; 40. a power supply protection cover; 41. a power supply battery; 42. a charger; 5. a walking mechanism; 50. a walking wheel; 51. a balancing stand; 6. an inductive switch; 7. a base; 8. a motor braking driving mechanism; 81. a gear box; 82. driving the wheel; 85. a DC motor; 810. an internal gear; 814. a drive gear; 816. a brake; 825. a passive helical gear; 826. a gear box cover; 827. a transmission gear; 9. an electromagnetic braking mechanism; 91. a motor rotor; 92. a spline housing; 93. a brake pad; 94. an armature; 95. a stator; 96. a cover plate; 10. a backward anti-collision switch; 11. an emergency stop switch; 12. manually releasing the brake; 120. releasing the rotating shaft; 121. a pull rod screw; 122. arm, etc., but does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (8)
1. Walking electric carrier, its characterized in that: the lifting type forklift comprises a fork (1), a lifting driving mechanism (2), a control mechanism (3), a power supply mechanism (4), a travelling mechanism (5), a brake mechanism assembly and a base (7), wherein the fork (1) is arranged on one side of the power supply mechanism (4), the base (7) is arranged on the other side of the power supply mechanism (4), and the lifting driving mechanism (2) and the control mechanism (3) are arranged on the base (7); the travelling mechanism (5) comprises travelling wheels (50); the braking mechanism assembly comprises a motor braking driving mechanism (8) and an electromagnetic braking mechanism (9), and the motor braking driving mechanism (8) and the electromagnetic braking mechanism (9) are respectively arranged at two sides of the travelling wheel (50);
The motor braking driving mechanism (8) comprises a driving wheel (82), a direct current motor (85), an internal gear (810), a driving gear (814), a driven bevel gear (825) and a transmission gear (827), wherein the driving wheel (82) is arranged at the output end of the direct current motor (85), the internal gear (810) is arranged in the driving wheel (82), and the internal gear (810), the transmission gear (827), the driving gear (814) and the driven bevel gear (825) are sequentially meshed and matched;
The power supply mechanism (4) comprises a power supply protection cover (40), a power supply battery (41) and a charger (42), wherein the power supply battery (41) is arranged at the top of the power supply protection cover (40), and the charger (42) is arranged in the power supply protection cover (40);
the power supply protection cover (40) seals the power supply mechanism (4) and the charger (42).
2. The walking electric cart of claim 1, wherein: the internal gear (810) is tightly engaged with the driving wheel (82) and is fixed by bolts.
3. The walking electric cart of claim 2, wherein: the motor braking driving mechanism (8) further comprises a gear box (81), the gear box (81) is sleeved outside the driving wheel (82), a gear box cover (826) is further installed at the end part of the gear box (81), and the electromagnetic braking mechanism (9) is installed on the gear box cover (826).
4. A walking electric cart as defined in claim 3, wherein: a motor rotor (91) is arranged in the direct current motor (85), and part of the motor rotor (91) extends out of the direct current motor (85); the electromagnetic braking mechanism (9) comprises a spline sleeve (92), a brake block (93), an armature (94), a stator (95) and a cover plate (96), wherein the spline sleeve (92) is arranged on a motor rotor (91) outside the direct current motor (85), the brake block (93) is arranged outside the spline sleeve (92), and the stator (95) and the armature (94) are arranged outside the brake block (93); when not electrified, the armature (94) and the stator (95) are arranged in a clearance way, the armature (94) is tightly attached to the cover plate (96) through the brake pad (93), the brake pad (93) is matched with the spline housing (92), the spline housing (92) is matched with the motor rotor (91) through a flat key, and the motor rotor (91) stops moving to achieve the braking effect of the travelling wheel (50).
5. The walking electric cart of claim 4, wherein: a manual release brake (12) is mounted on the stator (95), the manual release brake (12) comprises a release rotating shaft (120) and an arm lever (122), the release rotating shaft (120) is a cam shaft with a plane and a circular shaft surface and is mounted on the stator (95) through a pull rod screw (121), and the arm lever (122) is mounted on the release rotating shaft (120); when the circular shaft surface of the release rotating shaft (120) is attached to the surface of the stator (95), the pull rod screw (121) lifts the stator (95) upwards to enable a gap between the armature (94) and the brake pad (93) to be arranged, and the manual release brake (12) is in a release state.
6. The walking electric cart of claim 1, wherein: the control mechanism (3) comprises a control handle (32), a control rod (34) and a control panel (33), wherein the control rod (34) is arranged at the middle position of the two control handles (32), and the control panel (33) is arranged at the top of the control rod (34).
7. The walking electric cart of claim 6, wherein: a manual descending handle (30) is arranged on the side edge of the control panel (33), and an electric lifting button (31) is arranged on the surface of the control panel (33); the lifting driving mechanism (2) comprises a hydraulic driving mechanism and a motor driving mechanism, the manual descending handle (30) is connected with the hydraulic driving mechanism, and the electric lifting button (31) is electrically connected with the motor driving mechanism.
8. The walking electric cart of claim 7, wherein: the control handle (32) is provided with a backward anti-collision switch (10), the back of the power supply protective cover (40) is provided with a scram switch (11), and the scram switch (11) and the backward anti-collision switch (10) are electrically connected with the power supply mechanism (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110148011.4A CN112919370B (en) | 2021-02-03 | 2021-02-03 | Walking type electric carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110148011.4A CN112919370B (en) | 2021-02-03 | 2021-02-03 | Walking type electric carrier |
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| Publication Number | Publication Date |
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| CN112919370A CN112919370A (en) | 2021-06-08 |
| CN112919370B true CN112919370B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110148011.4A Active CN112919370B (en) | 2021-02-03 | 2021-02-03 | Walking type electric carrier |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113493172B (en) * | 2021-07-22 | 2024-05-07 | 浙江加力仓储设备股份有限公司 | Walking type electric carrier |
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| CN104326400A (en) * | 2014-11-12 | 2015-02-04 | 周林 | Ridden-driven fully-electric pallet truck and mounting and use methods thereof |
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| CN215249354U (en) * | 2021-02-03 | 2021-12-21 | 浙江加力仓储设备股份有限公司 | Walking electric carrier |
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| CN104326400A (en) * | 2014-11-12 | 2015-02-04 | 周林 | Ridden-driven fully-electric pallet truck and mounting and use methods thereof |
| EP3428039A2 (en) * | 2017-05-19 | 2019-01-16 | Ningbo Ruyi Joint Stock Company, Ltd. | Forklift |
| CN210261000U (en) * | 2019-06-29 | 2020-04-07 | 浙江中力机械有限公司 | Drive assembly and protection brake anticollision structure thereof |
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| CN112919370A (en) | 2021-06-08 |
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