CN214141440U - Double-pedal linkage device for electric forklift - Google Patents
Double-pedal linkage device for electric forklift Download PDFInfo
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- CN214141440U CN214141440U CN202022625320.XU CN202022625320U CN214141440U CN 214141440 U CN214141440 U CN 214141440U CN 202022625320 U CN202022625320 U CN 202022625320U CN 214141440 U CN214141440 U CN 214141440U
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Abstract
The utility model relates to a technical field of fork truck footboard specifically is an electric fork truck is with two footboard aggregate unit. The lower bottom surface of the bottom plate is rotatably provided with a main shaft through a pair of mounting seats, the main shaft is provided with an elastic reset mechanism for resetting the main shaft, one end part of the main shaft is fixedly connected with the left pedal rod, and the other end part of the main shaft is fixedly provided with a transmission plate; the right pedal assembly comprises a right pedal rod with a pedal at the upper end and a sliding plate, the sliding plate is an L-shaped plate which is horizontally arranged, one end of the sliding plate is fixedly connected with the lower end of the right pedal rod, an upper bulge at the other end of the sliding plate is rotatably connected with a support plate at the lower bottom surface of the bottom plate through a pin shaft, and a horizontal waist-shaped hole is formed in the lower part of the other end of the sliding plate; the extending end of the transmission plate is movably arranged with the sliding plate through the sliding fit of the bolt sliding rod and the waist-shaped hole.
Description
Technical Field
The utility model relates to a technical field of fork truck footboard specifically is an electric fork truck is with two footboard aggregate unit.
Background
At present, the action of advancing and retreating of the electric balance weight type forklift in the market is mainly realized by matching an accelerator pedal with a direction switch, wherein part of the electric balance weight type forklift adopts a double-pedal mechanism, but the structure is more complex, replacement parts need integral disassembly, later maintenance is not convenient, and the pedal force cannot be adjusted. The linkage pedal device that patent CN207328142U used uses the equilibrium and the footboard power that are used for guaranteeing two footboards through the cooperation of 4 springs, and the spring easily produces wearing and tearing of different degrees in the use, and more the spring need readjust the stability of structure, and whole mechanism maintainability, reliability are relatively poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric fork-lift uses two footboard aggregate unit to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a double-pedal linkage device for an electric forklift comprises a bottom plate 3, a left pedal assembly 1 and a right pedal assembly 2, wherein the left pedal assembly 1 comprises an L-shaped left pedal rod 11, a vertical rod of the left pedal rod 11 penetrates through the bottom plate 3, and a pedal is fixedly arranged at the upper end of the vertical rod;
a main shaft 4 is rotatably mounted on the lower bottom surface of the bottom plate 3 through a pair of mounting seats 31, an elastic reset mechanism 5 for resetting the main shaft 4 is mounted on the main shaft 4, one end of the main shaft 4 is fixedly connected with the left pedal rod 11, and a transmission plate 6 is fixedly arranged at the other end of the main shaft 5;
the right pedal assembly 2 comprises a right pedal rod 21 with a pedal at the upper end and a sliding plate 22, the sliding plate 22 is an L-shaped plate which is horizontally arranged, one end of the sliding plate 22 is fixedly connected with the lower end of the right pedal rod 21, the upper part bulge at the other end of the sliding plate 22 is rotatably connected with a support plate 32 at the lower bottom surface of the bottom plate 3 through a pin shaft, and the lower part at the other end of the sliding plate 22 is provided with a horizontal waist-shaped hole 221; the extending end of the driving plate 6 is movably mounted with the sliding plate 22 through the sliding fit of the bolt sliding rod 61 and the kidney-shaped hole 221. Further, the vertical rod of the 11L-shaped left foot pedal rod penetrates through the bottom plate 3, the upper end of the vertical rod is fixedly provided with a pedal, the end part of the transverse rod of the L-shaped left foot pedal rod is provided with a shaft sleeve 12, and the shaft sleeve 12 is sleeved on the main shaft 4 and is fixed through a fixing pin.
Further, the elastic reset mechanism 5 comprises a torsion spring 51 and a fixing bolt 52, a coil of the torsion spring 51 is sleeved on the main shaft 4 between the left foot rest lever 11 and the corresponding mounting seat, and two extending arms of the torsion spring 51 are crossed at one side of the left foot rest lever 11;
a limiting block 53 is fixedly arranged at the crotch of the left pedal lever 11 corresponding to the extending ends of the two extending arms of the torsion spring 51, the fixing bolt 52 is inserted at the intersection of the two extending arms of the torsion spring 51, and the fixing bolt 52 is fixedly installed through the bolt support plate 33 standing upright on the bottom plate 3.
Further, the transmission plate 6 is in a shape of a disk cam, the main shaft 4 penetrates through a wide part of the cam and is fixedly connected with the main shaft 4 through a fixing pin, the bolt sliding rod 61 penetrates through a narrow part of the cam and is vertically installed on the cam through the matching of a threaded end of the bolt sliding rod 61 and a nut, and a smooth end of the bolt sliding rod 61 is inserted in the kidney-shaped hole 221 in a sliding fit manner.
Further, a pair of elongated slots 34 is formed in the bottom plate 3 along the length direction of the bottom plate 3, each elongated slot is an open end corresponding to the front end of the bottom plate 3, the other end of each elongated slot is a closed end, and a limit bolt 35 is vertically installed at the closed end corresponding to the upper bottom surface of the bottom plate 3;
the left foot rest lever 11 and the right foot rest lever 21 are correspondingly inserted into the pair of long grooves 34, when one pedal is stepped on by a foot, the left foot rest lever 11 and the right foot rest lever 21 move along the corresponding pair of long grooves 34 in opposite directions, and the limiting bolt 35 is used for limiting the descending height of the corresponding pedal.
The utility model has the advantages of as follows:
the utility model discloses electric fork truck is with two footboard aggregate unit not only realizesThe left pedal assembly and the right pedal assembly are in reverse linkage; simultaneously left foot pedal pole, main shaft and driving plate rotate in step, and right pedal mechanism rotates around the round pin axle center of mounting panel, and the shape journey of waist type hole restraint bolt slide bar is injectd driving plate and slide relative motion's position, makes the utility model discloses footboard power lever ratio on the left and right footboard assembly on the electric fork truck is with two footboard aggregate units is for
Therefore, the pedal force of the left leg of the driver can be reduced, and the L can be realized by changing the hole distance on the transmission rodCDThe length is changed, so that the transmission ratio i is changed, and the pedal force on the right pedal mechanism is changed.
Drawings
Fig. 1 is a schematic structural view of the dual-pedal linkage device of the present invention.
Fig. 2 is a schematic structural diagram of the bottom plate of the present invention.
Fig. 3 is a schematic structural view of the right pedal assembly and the elastic restoring mechanism of the present invention.
Fig. 4 is a schematic structural view of the left pedal assembly of the present invention.
Fig. 5 is a schematic view of a first operating state of the dual-pedal linkage device of the present invention.
Fig. 6 is a schematic view of the second operating state of the dual-pedal linkage device of the present invention.
Fig. 7 is a schematic view of the structure principle of the pedal linkage device of the present invention.
Wherein: the pedal comprises a left pedal assembly 1, a left pedal rod 11, a shaft sleeve 12, a right pedal assembly 2, a right pedal rod 21, a sliding plate 22, a 221 waist-shaped hole, a bottom plate 3, a pair of mounting seats 31, a support plate 32, a bolt support plate 33, a pair of long grooves 34, a limiting bolt 35, a main shaft 4, an elastic resetting mechanism 5, a torsion spring 51, a fixing bolt 52, a limiting block 53, a transmission plate 6 and a bolt sliding rod 61.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Examples
Referring to fig. 1-2, the double-pedal linkage device for the electric forklift comprises a bottom plate 3, a left pedal assembly 1 and a right pedal assembly 2, wherein the left pedal assembly 1 comprises an L-shaped left pedal rod 11, a vertical rod of the left pedal rod 11 penetrates through the bottom plate 3, and a pedal is fixedly arranged at the upper end of the vertical rod;
a main shaft 4 is rotatably mounted on the lower bottom surface of the bottom plate 3 through a pair of mounting seats 31, an elastic reset mechanism 5 for resetting the main shaft 4 is mounted on the main shaft 4, one end of the main shaft 4 is fixedly connected with the left pedal rod 11, and a transmission plate 6 is fixedly arranged at the other end of the main shaft 5;
referring to fig. 3, the right pedal assembly 2 includes a right pedal rod 21 with a pedal at the upper end and a slide plate 22, the slide plate 22 is a horizontally arranged L-shaped plate, one end of the slide plate 22 is fixedly connected with the lower end of the right pedal rod 21, an upper protrusion at the other end of the slide plate 22 is rotatably connected with a support plate 32 at the lower bottom surface of the bottom plate 3 through a pin shaft, and a horizontal kidney-shaped hole 221 is formed at the lower part of the other end of the slide plate 22;
the extending end of the driving plate 6 is movably mounted with the sliding plate 22 through the sliding fit of the bolt sliding rod 61 and the kidney-shaped hole 221. Therefore, the sliding plate 22 can rotate the kidney-shaped hole 221 around the pin center for restricting the stroke of the bolt sliding rod 61.
Referring to fig. 4, the vertical rod of the left pedal lever 11L passes through the bottom plate 3, the upper end of the vertical rod is fixedly provided with a pedal, the end of the horizontal rod of the L is provided with a shaft sleeve 12, and the shaft sleeve 12 is sleeved on the main shaft 4 and fixed by a fixing pin.
A pair of elongated slots 34 is formed in the bottom plate 3 along the length direction of the bottom plate 3, each elongated slot is an open end corresponding to the front end of the bottom plate 3, the other end of each elongated slot is a closed end, and a limit bolt 35 is vertically installed at the closed end corresponding to the upper bottom surface of the bottom plate 3;
the left foot rest lever 11 and the right foot rest lever 21 are correspondingly inserted into the pair of long grooves 34, when one pedal is stepped on by a foot, the left foot rest lever 11 and the right foot rest lever 21 move along the corresponding pair of long grooves 34 in opposite directions, and the limiting bolt 35 is used for limiting the descending height of the corresponding pedal.
Referring to fig. 4, the elastic return mechanism 5 includes a torsion spring 51 and a fixing bolt 52, a coil of the torsion spring 51 is sleeved on the main shaft 4 between the left foot rest lever 11 and the corresponding mounting seat, so that the torsion spring 51 is limited in the axial direction of the main shaft 4, and two extending arms of the torsion spring 51 are crossed on one side of the left foot rest lever 11;
a limiting block 53 is fixedly arranged at the crotch of the left foot pedal rod 11 corresponding to the extending ends of the two extending arms of the torsion spring 51, so that the rotation of the left foot pedal rod 11 can be subjected to the reaction force of the torsion spring 51, and the reset of the left foot pedal rod 11 is realized.
The fixing bolt 52 is inserted at the intersection of the two extending arms of the torsion spring 51, and the fixing bolt 52 is fixedly installed through the bolt support plate 33 erected on the bottom plate 3, and the fixing bolt 52 enables the torsion spring 51 to be restrained from rotating.
The transmission plate 6 is in a shape of a disk cam, the main shaft 4 penetrates through the wide part of the cam and is fixedly connected with the main shaft 4 through a fixing pin, the bolt sliding rod 61 penetrates through the narrow part of the cam and is vertically installed on the cam through the matching of the threaded end of the bolt sliding rod 61 and a nut, and the smooth end of the bolt sliding rod 61 is inserted on the kidney-shaped hole 221 in a sliding fit mode.
Referring to fig. 5 to 6, when the pedal on the left pedal assembly 1 is stepped on, the pedal on the right pedal assembly 2 is lifted, the pedal on the left pedal assembly 1 is released, and the pedals on the left pedal assembly 1 and the right pedal assembly 2 return to the initial positions under the action of the torsion spring 51; when the pedal on the right pedal assembly 2 is stepped on, the pedal on the left pedal assembly 1 is lifted, and under the action of the torsion spring 51, the pedals on the left pedal assembly 1 and the right pedal assembly 2 return to the initial positions.
The utility model discloses left pedal assembly 1 and right pedal assembly 2 locate main shaft 4's both ends respectively, and left pedal rod 11 and driving plate 6 fixed mounting of left pedal assembly 1 are at main shaft 4's both ends for torque etc. act on at main shaft 4's both ends together, insert through bolt slide bar 61 smooth end sliding fit and establish waist type hole 221 is last, the cam narrow portion of driving plate 6 and right pedal assembly 2's slide 22 swing joint, make slide 22 can rotate around mounting plate 32's round pin axle center. Thus, it is possible to provideThe utility model discloses simplifying to left foot rest lever 11, main shaft 4 and driving plate 6 synchronous rotation, right pedal mechanism 2 rotates around the round pin axle center of mounting panel 32, waist type hole 221 retrains bolt slide bar 61's shape journey, the utility model discloses an electric fork-lift uses two footboard aggregate unit's motion form to simplify the motion form of slider-crank mechanism, specifically see figure 7 and show, the AB section shows left footboard assembly 1, and the BCD section shows to be main shaft 4 and driving plate 6, and the DEF section shows to left footboard assembly 1, and footboard power lever ratio is about obtaining
Wherein L isFERepresents a linear distance, L, from the pedal force of the right pedal assembly 2 to the center of rotation of the bracket plate 32DEIndicates a linear distance, L, from the center of rotation of the holder plate 32 to the kidney-shaped hole 221CDThe distance L from the center of connection of the narrow cam part of the drive plate 6 and the bolt slide 61 to the center of connection of the wide cam part and the spindle 4ABThe linear distance from the pedal effort of the left pedal assembly 1 to the main shaft 4 is shown.
Due to the fact that
So compare in current two footboard structures, the utility model discloses an electric fork-lift uses two footboard aggregate unit more can alleviate the pedal power of driver's left leg, and the change of CD length is realized to the hole interval that the accessible changed transfer line 43 to change drive ratio i, realize the change to right pedal power.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A double-pedal linkage device for an electric forklift comprises a bottom plate (3), a left pedal assembly (1) and a right pedal assembly (2),
the left pedal assembly (1) comprises an L-shaped left pedal rod (11), a vertical rod of the left pedal rod (11) penetrates through the bottom plate (3), and a pedal is fixedly arranged at the upper end of the vertical rod;
the method is characterized in that: a main shaft (4) is rotatably mounted on the lower bottom surface of the bottom plate (3) through a pair of mounting seats (31), an elastic reset mechanism (5) for resetting the main shaft (4) is mounted on the main shaft (4), one end of the main shaft (4) is fixedly connected with the left pedal rod (11), and a transmission plate (6) is fixedly arranged at the other end of the main shaft (4);
the right pedal assembly (2) comprises a right pedal rod (21) with a pedal at the upper end and a sliding plate (22), the sliding plate (22) is an L-shaped plate which is horizontally arranged, one end of the sliding plate (22) is fixedly connected with the lower end of the right pedal rod (21), an upper protrusion at the other end of the sliding plate (22) is rotatably connected with a support plate (32) at the lower bottom surface of the bottom plate (3) through a pin shaft, and a horizontal waist-shaped hole (221) is formed in the lower part at the other end of the sliding plate (22);
the extending end of the transmission plate (6) is movably mounted with the sliding plate (22) through the sliding fit of the bolt sliding rod (61) and the waist-shaped hole (221).
2. The dual-pedal linkage device for the electric forklift according to claim 1, wherein: the vertical rod of left foot rest lever (11) L shape passes bottom plate (3), and the upper end is fixed and is equipped with the footboard, and the horizontal rod tip of L shape is equipped with axle sleeve (12), and axle sleeve (12) cover is established on main shaft (4) to it is fixed through the fixed pin.
3. The dual-pedal linkage device for the electric forklift according to claim 1, wherein: the elastic reset mechanism (5) comprises a torsion spring (51) and a fixing bolt (52), a coil of the torsion spring (51) is sleeved on the main shaft (4) between the left pedal rod (11) and the corresponding mounting seat, and two extending arms of the torsion spring (51) are crossed and positioned on one side of the left pedal rod (11);
the left foot pedal rod (11) is fixedly provided with a limiting block (53) corresponding to the crotch of the extending ends of the two extending arms of the torsion spring (51), the fixing bolt (52) is inserted at the intersection of the two extending arms of the torsion spring (51), and the fixing bolt (52) is fixedly installed through a bolt support plate (33) which is erected on the bottom plate (3).
4. The dual-pedal linkage device for the electric forklift according to claim 1, wherein: the transmission plate (6) is in a disc-shaped cam shape, the main shaft (4) penetrates through the wide part of the cam and is fixedly connected with the main shaft (4) through a fixing pin,
the bolt sliding rod (61) penetrates through the narrow part of the cam and is vertically installed on the cam through the matching of the threaded end of the bolt sliding rod (61) and the nut, and the smooth end of the bolt sliding rod (61) is inserted in the kidney-shaped hole (221) in a sliding fit mode.
5. The dual-pedal linkage device for the electric forklift according to claim 1, wherein: a pair of elongated slots (34) is formed in the bottom plate (3) along the length direction of the bottom plate (3), the front end of each elongated slot corresponding to the bottom plate (3) is an open end, the other end of each elongated slot is a closed end, and a limiting bolt (35) is vertically installed on the closed end corresponding to the upper bottom surface of the bottom plate (3);
the left foot rest lever (11) and the right foot rest lever (21) are correspondingly inserted into the pair of long grooves (34), when one pedal is stepped on by a foot, the left foot rest lever (11) and the right foot rest lever (21) move in opposite directions along the corresponding pair of long grooves (34), and the limiting bolt (35) is used for limiting the descending height of the corresponding pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022625320.XU CN214141440U (en) | 2020-11-13 | 2020-11-13 | Double-pedal linkage device for electric forklift |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022625320.XU CN214141440U (en) | 2020-11-13 | 2020-11-13 | Double-pedal linkage device for electric forklift |
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| Publication Number | Publication Date |
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| CN214141440U true CN214141440U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022625320.XU Active CN214141440U (en) | 2020-11-13 | 2020-11-13 | Double-pedal linkage device for electric forklift |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112591676A (en) * | 2020-11-13 | 2021-04-02 | 安徽合力股份有限公司 | Double-pedal linkage device for electric forklift |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112591676A (en) * | 2020-11-13 | 2021-04-02 | 安徽合力股份有限公司 | Double-pedal linkage device for electric forklift |
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