CN219079006U - Pedal linkage control system and working machine - Google Patents

Abstract

The utility model relates to the technical field of linkage control systems, and provides a pedal linkage control system and a working machine, wherein the pedal linkage control system comprises a mounting seat, a forward pedal, a backward pedal, an inductor and a controller; the mounting seat is provided with a forward rotating shaft and a backward rotating shaft, the backward rotating shaft is sleeved with a torsion spring, and a linkage assembly is arranged between the forward rotating shaft and the backward rotating shaft; the forward pedal is connected with the forward rotating shaft, and the backward pedal is connected with the backward rotating shaft; the sensor senses the stepping condition of the forward pedal and the backward pedal. When the forward pedal is stepped on in actual operation, the backward pedal is lifted under the action of the linkage assembly, and the controller controls the vehicle body to move forwards and accelerate; when the backward pedal is stepped on, the forward pedal is lifted under the action of the linkage assembly, and the controller controls the vehicle body to move backward and accelerate; when the forward pedal and the backward pedal are simultaneously stepped on, the forward rotating shaft and the backward rotating shaft are interlocked under the action of the linkage assembly, and the vehicle body is not moved.

Description

Pedal linkage control system and working machine

Technical Field

The utility model relates to the technical field of linkage control systems, in particular to a pedal linkage control system and a working machine.

Background

In many types of working machines, for example, an electric forklift, in the present stage, the electric forklift generally uses a directional switch to perform directional control, and an accelerator to perform speed control. The traditional control mode needs to manually switch the advancing direction of the forklift so as to realize the control of the advancing and retreating of the forklift; in actual operation, the hands and feet are required to cooperatively operate, and the operation mode is complex; under the condition of higher direction switching frequency, the operation effect is easily influenced, and the working progress is further influenced.

Therefore, how to improve the operating system to reduce the operation difficulty and improve the operation efficiency is a difficult problem to be solved in the field at present.

Disclosure of Invention

The pedal linkage control system provided by the utility model can reduce the operation difficulty, improve the operation efficiency and solve the problems in the field at the present stage. The utility model also provides a working machine which comprises the pedal linkage control system, so that the operation difficulty can be reduced, the operation efficiency can be improved, and the problem in the field at the present stage can be solved.

A first aspect of the present utility model provides a pedal linked operating system including:

the mounting seat is provided with a forward rotating shaft and a backward rotating shaft in parallel, the backward rotating shaft is sleeved with a torsion spring, and a linkage assembly is arranged between the forward rotating shaft and the backward rotating shaft; a first limiting rod is further arranged on the mounting seat;

the advancing pedal is connected with the advancing rotating shaft;

the backward pedal is connected with the backward rotating shaft through a backward connecting rod, and a second limiting rod is arranged on the backward connecting rod; two ends of the torsion spring are respectively positioned above and below the first limiting rod and the second limiting rod;

the sensor is used for sensing the treading condition of the forward pedal and the backward pedal;

the controller is used for receiving the trampling condition;

when the forward pedal is stepped on, the backward pedal is lifted under the action of the linkage assembly, and the controller controls the vehicle body to advance and accelerate; when the backward pedal is stepped on, the forward pedal is lifted under the action of the linkage assembly, and the controller controls the vehicle body to backward and accelerate; when the forward pedal and the backward pedal are simultaneously stepped on, the forward rotating shaft and the backward rotating shaft are interlocked under the action of the linkage assembly, and the vehicle body is not moved.

According to the pedal linkage control system provided by the utility model, the inductor is used for inducing the rotation direction of the advancing rotating shaft;

the controller controls the movement of the vehicle body according to the rotation direction.

According to the pedal linkage control system provided by the utility model, the linkage assembly comprises a poking tooth, a poking plate and a pin shaft; the poking teeth are provided with tooth grooves, and the poking plate is provided with through holes;

the poking teeth are arranged on the advancing rotating shaft, the poking plate is arranged on the retreating rotating shaft, and the pin shaft is inserted into the tooth grooves and the through holes.

According to the pedal linkage control system provided by the utility model, the forward rotating shaft comprises a first shaft body and a first cylinder body;

the first shaft body is arranged on the mounting seat, the first cylinder body is sleeved on the outer peripheral surface of the first shaft body and can rotate around the first shaft body, and the advancing pedal is connected with the first cylinder body.

According to the pedal linkage control system provided by the utility model, the inner wall of the first cylinder body is rotationally connected with the first shaft body through the first bearing.

According to the pedal linkage control system provided by the utility model, the backing rotating shaft comprises a second shaft body and a second cylinder body;

the second shaft body is arranged on the mounting seat, the second cylinder body is sleeved on the outer peripheral surface of the second shaft body and can rotate around the second shaft body, and the retreating connecting rod is connected with the second cylinder body.

According to the pedal linkage control system provided by the utility model, the inner wall of the second cylinder body is rotationally connected with the second cylinder body through the second bearing.

According to the pedal linkage control system provided by the utility model, the advancing pedal is connected with the advancing rotating shaft through the connecting component;

the connecting assembly comprises an advancing connecting rod, a connecting plate and a connecting block which are sequentially connected, wherein the advancing connecting rod is connected with the advancing pedal, and the connecting block is connected with the advancing rotating shaft.

According to the pedal linkage control system provided by the utility model, the number of the poking plates is two, and the poking teeth are positioned between the two poking plates.

A second aspect of the present utility model provides a work machine comprising a pedal linked operating system as described in any one of the preceding claims.

The pedal linkage control system provided by the utility model comprises a mounting seat, a forward pedal, a backward pedal, an inductor and a controller; a forward rotating shaft and a backward rotating shaft are arranged on the mounting seat in parallel, a torsion spring is sleeved on the backward rotating shaft, and a linkage assembly is arranged between the forward rotating shaft and the backward rotating shaft; the mounting seat is also provided with a first limiting rod; the forward pedal is connected with the forward rotating shaft, the backward pedal is connected with the backward rotating shaft through a backward connecting rod, and a second limiting rod is arranged on the backward connecting rod; two ends of the torsion spring are respectively positioned above and below the first limiting rod and the second limiting rod; the sensor is used for sensing the treading condition of the forward pedal and the backward pedal; the controller is used for receiving the trampling condition; when the forward pedal is stepped on, the backward pedal is lifted under the action of the linkage assembly, and the controller controls the vehicle body to advance and accelerate; when the backward pedal is stepped on, the forward pedal is lifted under the action of the linkage assembly, and the controller controls the vehicle body to backward and accelerate; when the forward pedal and the backward pedal are simultaneously stepped on, the forward rotating shaft and the backward rotating shaft are interlocked under the action of the linkage assembly, and the vehicle body is not moved. The pedal linkage control system comprises a mounting seat, a forward pedal, a backward pedal, an inductor and a controller; when the forward pedal is stepped on in actual operation, the backward pedal is lifted under the action of the linkage assembly, and the controller receives the stepping information sent by the sensor, so that the forward movement and the acceleration movement of the vehicle body are controlled; when the backward pedal is stepped down, the forward pedal is lifted under the action of the linkage assembly, and the controller receives the stepping information sent by the sensor, so that the backward movement and the acceleration movement of the vehicle body are controlled; when the forward pedal and the backward pedal are simultaneously stepped on, the forward rotating shaft and the backward rotating shaft are interlocked under the action of the linkage assembly, the controller cannot receive the stepping information, and the vehicle body is not moved. By adopting the control system, the forward and backward control of the vehicle body can be realized without manual operation, the operation difficulty is reduced, and the operation efficiency is improved; and the setting of linkage subassembly can avoid the maloperation, improves the security. Therefore, the pedal linkage control system provided by the utility model can reduce the operation difficulty, improve the operation efficiency and solve the problem in the field at the present stage.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a top view of a pedal ganged-steering system in accordance with an embodiment of the present utility model;

FIG. 2 is a bottom view of the pedal linkage operating system in accordance with the present utility model;

FIG. 3 is a side view of a pedal linkage operating system in accordance with an embodiment of the present utility model;

FIG. 4 is a rear cross-sectional view of a pedal linkage operating system in accordance with an embodiment of the present utility model;

fig. 5 is a side cross-sectional view of a pedal linkage operating system in accordance with an embodiment of the present utility model.

Reference numerals:

1. a mounting base; 2. advancing the rotating shaft; 3. a backing shaft; 4. a torsion spring; 5. a first stop lever; 6. a back connecting rod; 7. a second limit rod; 8. an inductor; 9. tooth shifting; 10. a poking plate; 11. a pin shaft; 12. advancing the connecting rod; 13. a connecting plate; 14. a connecting block; 15. advancing the pedal; 16. a step of backing up the pedal;

2a, a first shaft body; 2b, a first cylinder; 2c, a first bearing;

3a, a second shaft body; 3b, a second cylinder; 3c, a second bearing.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The pedal linkage operating system and the working machine in this embodiment will be described below with reference to fig. 1 to 5; it should be understood that the following are merely illustrative embodiments of the present utility model, and are not intended to limit the present utility model in any way.

The pedal linkage control system provided by the specific embodiment comprises a mounting seat 1, a forward pedal 15, a backward pedal 16, an inductor 8 and a controller; a forward rotating shaft 2 and a backward rotating shaft 3 are arranged on the mounting seat 1 in parallel, a torsion spring 4 is sleeved on the backward rotating shaft 3, and a linkage assembly is arranged between the forward rotating shaft 2 and the backward rotating shaft 3; the mounting seat 1 is also provided with a first limiting rod 5; the forward pedal 15 is connected with the forward rotating shaft 2, the backward pedal 16 is connected with the backward rotating shaft 3 through a backward connecting rod 6, and a second limiting rod 7 is arranged on the backward connecting rod 6; two ends of the torsion spring 4 are respectively positioned above and below the first limiting rod 5 and the second limiting rod 7; the sensor 8 is used for sensing the treading condition of the forward pedal 15 and the backward pedal 16; the controller is used for receiving the trampling condition; when the forward pedal 15 is stepped on, the backward pedal 16 is lifted under the action of the linkage assembly, and the controller controls the vehicle body to advance and accelerate; when the backward pedal 16 is stepped on, the forward pedal 15 is lifted under the action of the linkage assembly, and the controller controls the vehicle body to backward and accelerate; when the forward pedal 15 and the backward pedal 16 are simultaneously stepped on, the forward rotating shaft 2 and the backward rotating shaft 3 are interlocked under the action of the linkage assembly, and the vehicle body is not moved.

The pedal linkage control system comprises a mounting seat 1, a forward pedal 15, a backward pedal 16, an inductor 8 and a controller; in actual operation, when the forward pedal 15 is stepped on, the backward pedal 16 is lifted under the action of the linkage assembly, and the controller receives the stepping information sent by the sensor 8, so as to control the forward movement and the acceleration movement of the vehicle body; when the backward pedal 16 is stepped on, the forward pedal 15 is lifted under the action of the linkage assembly, and the controller receives the stepping information sent by the sensor 8, so as to control the backward movement and the acceleration movement of the vehicle body; when the forward pedal 15 and the backward pedal 16 are simultaneously stepped on, the forward rotating shaft 2 and the backward rotating shaft 3 are interlocked under the action of the linkage assembly, the controller cannot receive the stepping information, and the vehicle body is not moved. By adopting the control system, the forward and backward control of the vehicle body can be realized without manual operation, the operation difficulty is reduced, and the operation efficiency is improved; and the setting of linkage subassembly can avoid the maloperation, improves the security.

Therefore, the pedal linkage control system provided by the utility model can reduce the operation difficulty, improve the operation efficiency and solve the problem in the field at the present stage.

In one embodiment, the first stop lever 5 may be a bolt inserted into the mounting seat 1, so that the structural design of the linkage operation system can be simplified on the premise of achieving the same effect.

In one example of the pedal linkage operating system provided in this embodiment, the sensor 8 may be used to sense the rotation direction of the forward rotation shaft 2, please refer to fig. 1 and 2, the sensor 8 senses the pedaling condition of the forward pedal 15 and the backward pedal 16 by sensing the rotation direction of the forward rotation shaft 2, and transmits the pedaling condition to the controller, and the controller controls the movement of the vehicle body according to the pedaling condition of the forward pedal 15 and the backward pedal 16.

With reference to fig. 2, the linkage assembly may include a shift tooth 9, a shift plate 10 and a pin 11; referring to fig. 5, tooth grooves are formed on the poking teeth 9, and through holes are formed on the poking plate 10; the poking teeth 9 are arranged on the forward rotating shaft 2, the poking plate 10 is arranged on the backward rotating shaft 3, and the pin shafts 11 are inserted into the tooth grooves and the through holes; in practical design, the number of the shifting plates 10 can be two which are arranged in parallel, and the shifting teeth 9 are positioned between the two shifting plates 10. Namely, the forward rotating shaft 2 and the backward rotating shaft 3 are connected together through the poking teeth 9 and the poking plate 10, so that the linkage of the forward pedal 15 and the backward pedal 16 is realized.

In the pedal linkage control system provided by the embodiment, the forward pedal 15 can be connected with the forward rotating shaft 2 through a connecting component; the connecting component is in a bending shape and can comprise an advancing connecting rod 12, a connecting plate 13 and a connecting block 14 which are sequentially connected, wherein the advancing connecting rod 12 is connected with an advancing pedal 15, the connecting block 14 is connected with the advancing rotating shaft 2, and then the advancing pedal 15 is connected with the advancing rotating shaft 2.

Specifically, referring to fig. 2, when the forward pedal 15 is stepped on, the forward rotating shaft 2 rotates along with it, and then the backward rotating shaft 3 rotates along with it under the action of the linkage assembly, so that the backward pedal 16 is lifted up to avoid the misoperation of the backward pedal 16, and at this time, under the action of the backward connecting rod 6, the first limiting rod 5 and the second limiting rod 7 give a certain torsion force to the torsion spring 4; after the forward pedal 15 is released, the forward pedal 15 and the reverse pedal 16 are returned by the torsional force. Similarly, when the backward pedal 16 is stepped down, the backward rotating shaft 3 rotates along with the backward pedal, and then the forward rotating shaft 2 rotates along with the backward pedal under the action of the linkage assembly, so that the forward pedal 15 is lifted up to avoid misoperation of the forward pedal 15, and at the moment, under the action of the backward connecting rod 6, the first limiting rod 5 and the second limiting rod 7 can give a certain torsion force to the torsion spring 4; when the reverse pedal 16 is released, the forward pedal 15 and the reverse pedal 16 are returned by the torsional force. When the forward pedal 15 and the backward pedal 16 are simultaneously stepped on, under the action of the linkage assembly, the rotating forces of the forward rotating shaft 2 and the backward rotating shaft 3 are balanced to further realize interlocking, at the moment, the inductor 8 cannot sense the rotating signal of the forward rotating shaft 2, and the controller cannot control the movement of the vehicle body.

The pedal linkage control system provided in this embodiment may include a first shaft body 2a and a first cylinder body 2b; the first shaft body 2a is disposed on the mounting seat 1, the first cylinder body 2b is sleeved on the outer circumferential surface of the first shaft body 2a, the first cylinder body 2b can rotate around the first shaft body 2a, and the forward pedal 15 is connected with the first cylinder body 2b, so that the forward pedal 15 can rotate along with the first cylinder body 2 b.

In order to better realize the flexibility of the rotation of the first cylinder 2b, the outer circumferential surfaces of the two ends of the first shaft body 2a can be sleeved with a first bearing 2c, and then the rotation connection of the first cylinder 2b and the first shaft body 2a is realized through the first bearing 2 c.

Similarly, the backing shaft 3 may include a second shaft body 3a and a second cylinder body 3b; the second shaft body 3a is disposed on the mounting seat 1, the second cylinder body 3b is sleeved on the outer circumferential surface of the second shaft body 3a, the second cylinder body 3b can rotate around the second shaft body 3a, the retreating connecting rod 6 is connected with the second cylinder body 3b, and further the retreating pedal 16 can rotate along with the second cylinder body 3 b.

In order to better realize the flexibility of the rotation of the second cylinder 3b, the outer circumferential surfaces of the two ends of the second shaft 3a may be sleeved with a second bearing 3c, and further the second cylinder 3b and the second shaft 3a are rotatably connected through the second bearing 3 c.

The present disclosure also provides a work machine including the pedal linkage operating system, and therefore the work machine is within the scope of the present disclosure.

The work machine may be an electric forklift or other mechanical device including the pedal-linked operating system.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A pedal-linked operating system, comprising:

the device comprises a mounting seat (1), wherein an advancing rotating shaft (2) and a retreating rotating shaft (3) are arranged on the mounting seat (1) in parallel, a torsion spring (4) is sleeved on the retreating rotating shaft (3), and a linkage assembly is arranged between the advancing rotating shaft (2) and the retreating rotating shaft (3); a first limiting rod (5) is further arranged on the mounting seat (1);

an advancing pedal (15), wherein the advancing pedal (15) is connected with the advancing rotating shaft (2);

a backing pedal (16), wherein the backing pedal (16) is connected with the backing rotating shaft (3) through a backing connecting rod (6), and a second limiting rod (7) is arranged on the backing connecting rod (6); two ends of the torsion spring (4) are respectively positioned above and below the first limiting rod (5) and the second limiting rod (7);

an inductor (8), wherein the inductor (8) is used for inducing the treading condition of the forward pedal (15) and the backward pedal (16);

the controller is used for receiving the trampling condition;

when the forward pedal (15) is stepped on, the backward pedal (16) is lifted under the action of the linkage assembly, and the controller controls the vehicle body to advance and accelerate; when the backward pedal (16) is stepped on, the forward pedal (15) is lifted under the action of the linkage assembly, and the controller controls the vehicle body to backward and accelerate; when the forward pedal (15) and the backward pedal (16) are simultaneously stepped on, the forward rotating shaft (2) and the backward rotating shaft (3) are interlocked under the action of the linkage assembly, and the vehicle body is not moved.

2. Pedal-linked operating system according to claim 1, characterized in that said sensor (8) is adapted to sense the direction of rotation of said forward rotating shaft (2);

the controller controls the movement of the vehicle body according to the rotation direction.

3. The pedal-linked operating system according to claim 1, characterized in that the linkage assembly comprises a setting tooth (9), a setting plate (10) and a pin (11); tooth grooves are formed in the poking teeth (9), and through holes are formed in the poking plate (10);

the poking teeth (9) are arranged on the advancing rotating shaft (2), the poking plate (10) is arranged on the retreating rotating shaft (3), and the pin shaft (11) is inserted into the tooth grooves and the through holes.

4. Pedal-linked operating system according to claim 1, characterized in that said advancing shaft (2) comprises a first shaft body (2 a) and a first cylinder body (2 b);

the first shaft body (2 a) is arranged on the mounting seat (1), the first cylinder body (2 b) is sleeved on the outer circumferential surface of the first shaft body (2 a), the first cylinder body can rotate around the first shaft body (2 a), and the advancing pedal (15) is connected with the first cylinder body (2 b).

5. The pedal-linked operating system according to claim 4, characterized in that the inner wall of the first cylinder (2 b) is rotatably connected with the first shaft body (2 a) through a first bearing (2 c).

6. Pedal-linked operating system according to claim 1, characterized in that said reverse rotation shaft (3) comprises a second shaft body (3 a) and a second cylinder body (3 b);

the second shaft body (3 a) is arranged on the mounting seat (1), the second cylinder body (3 b) is sleeved on the outer circumferential surface of the second shaft body (3 a), the second shaft body (3 a) can rotate, and the retreating connecting rod (6) is connected with the second cylinder body (3 b).

7. Pedal-linked operating system according to claim 6, characterized in that the inner wall of the second cylinder (3 b) is rotatably connected to the second cylinder (3 a) by means of a second bearing (3 c).

8. Pedal-linked operating system according to claim 1, characterized in that said forward pedal (15) is connected to said forward rotating shaft (2) by means of a connecting assembly;

the connecting assembly comprises an advancing connecting rod (12), a connecting plate (13) and a connecting block (14) which are sequentially connected, wherein the advancing connecting rod (12) is connected with an advancing pedal (15), and the connecting block (14) is connected with the advancing rotating shaft (2).

9. A pedal-linked operating system according to claim 3, characterized in that said shifting plates (10) are two arranged side by side, said shifting tooth (9) being located between two of said shifting plates (10).

10. A work machine comprising the pedal-linked operating system of any one of claims 1-9.

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