Forklift accelerator limiting and speed controlling device

Through the design of the forklift throttle limit speed control device, the limit block and the limit slot are used to clamp the forklift throttle pedal to achieve stable speed limiting and flexible adjustment, solving the problem of the forklift overspeed alarm device in the existing technology not having a speed limit, reducing the failure rate and cost, and improving applicability.

CN223445192UActive Publication Date: 2025-10-17DONGGUAN HENGJIAN ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202422747008.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-10-17
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

The existing forklift overspeed alarm device does not have a speed limit function, and the existing speed limit device is not convenient for adjusting the speed limit, and has poor applicability.

Method used

A forklift throttle limit and speed control device is designed, which includes an adjustment and reset device in a box body. The speed limit and speed adjustment of the throttle pedal are achieved by the clamping connection between the limit block and the limit groove. The stable speed limit and flexible adjustment of the throttle pedal are achieved by the cooperation of the moving plate, the vertical rod, the rotating plate and the lifting plate.

Benefits of technology

The stable speed limit of the forklift accelerator pedal is achieved, and the speed upper limit can be flexibly adjusted according to needs, which reduces the failure rate and cost of the device and improves applicability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a forklift accelerator limiting and speed controlling device, which relates to the technical field of forklifts, and comprises a box body arranged below an accelerator pedal, the outer surface of the box body is fixed with an external platform through an external fixing device, an adjusting device for adjusting and a resetting device for resetting are arranged in the box body, and the box body is provided with an accelerator pedal. The adjusting device comprises a platform plate, and the platform plate is fixed to the box body. According to the forklift accelerator limiting and speed controlling device, the moving plate is arranged to drive the vertical rod to move, the vertical rod jacks up the end of the rotating plate, the end of the rotating plate rises to jack up the lifting plate, the lifting plate is made to be close to an accelerator pedal through rising of the lifting plate, and meanwhile the rising lifting plate is kept stable through clamping of a limiting block to a limiting groove; therefore, the accelerator pedal cannot continue to descend after descending to a certain height, the speed limiting purpose is achieved, and the problem that in the prior art, a common overspeed alarm device does not have the speed limiting function is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a throttle limiting speed control device, in particular to a forklift throttle limiting speed control device, belongs to forklift technical field. BACKGROUND

[0002] In the daily factory forklift transportation process, the forklift speed is too fast to cause the work injury accident of hitting the person from time to time. In order to control the driving speed of personnel driving forklift operation, reduce the personnel injury accident, the forklift speed control system needs to be improved.

[0003] The product on the market mostly utilizes forklift overspeed alarm device, and only alarms when overspeed, without speed limiting, and some models can also control the vehicle speed and set to extinguish after overspeed. The forklift speed limiting or alarm device generally realizes electrical control through sensor signals, is usually composed of forklift speed limiter, sensor, alarm lamp, horn, power line and remote controller, has very high cost, and the popularization rate is greatly limited. There is also a great failure rate in the use process. Some speed limiting devices place the blocking object below the throttle pedal, but the height of the blocking object is inconvenient to adjust, so that the applicability is poor in different use scenes.

[0004] Therefore, the forklift throttle limiting speed control device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model proposes a forklift throttle limiting speed control device to solve the problem that the common overspeed alarm device in the prior art does not have the function of speed limiting, and the speed limiting device that can limit speed is not convenient to adjust the upper limit of speed and has poor applicability.

[0006] The utility model is realized through the following technical scheme: a forklift throttle limiting speed control device, including the box body of setting below the throttle pedal, the outer surface of the box body is fixed with the outside platform through the fixed device of outside, the inside of the box body is provided with the adjusting device for adjusting and the reset device for resetting;

[0007] The adjusting device includes a platform plate, the platform plate is fixed with the box body, the upper surface of the platform plate is slidably connected with a moving plate, the upper surface of the moving plate is fixed with a vertical rod, the top of the vertical rod is hingedly connected with a track plate, the upper surface of the platform plate is hingedly connected with a rotating plate, the bottom surface of the rotating plate is provided with a track groove, the track plate is slidably connected with the track groove, the upper side of the rotating plate is provided with a lifting plate, and the lifting plate is below the throttle pedal in the outside.

[0008] The upper surface of the platform plate is provided with a plurality of limiting grooves, the upper surface of the moving plate is provided with an opening corresponding to the limiting grooves, the bottom surface of the platform plate is provided with an adjusting plate, the upper surface of the adjusting plate is fixed with a limiting block, the side surface of the limiting block is provided with a round corner, the side surface of the box body is provided with a groove, the outer side surface of the box body is slidably connected with a push plate, the right side surface of the push plate is fixed with a connecting block, the connecting block is slidably connected with the groove, and the connecting block is fixed with the moving plate.

[0009] The upper surface of the platform plate is fixed with a horizontal plate, the right side surface of the horizontal plate is fixed with a reset telescopic rod and a reset spring, the other end of the reset telescopic rod and the reset spring is fixed with the moving plate, and the moving plate is reset through the elastic force of the reset spring.

[0010] The inner wall of the box body is fixed with a sliding block, the side surface of the moving plate is provided with a sliding groove, the sliding block is slidably connected with the sliding groove, the right end of the sliding block is fixed with a baffle, the moving plate can only move left and right through the sliding connection of the sliding block and the sliding groove, and the moving plate is prevented from flying out through the blocking of the baffle.

[0011] The reset device comprises a reset plate fixed to the side surface of the adjusting plate, the side surface of the box body is provided with a slot, and the reset plate is slidably connected with the slot.

[0012] Further, the bottom surface of the adjusting plate is fixed with a supporting spring and a supporting telescopic rod, the other end of the supporting spring and the supporting telescopic rod is fixed with the box body, and the adjusting plate is pushed close to the bottom surface of the platform plate through the elastic force of the supporting spring.

[0013] The side surface of the box body is fixed with an auxiliary telescopic rod and an auxiliary spring, the other end of the auxiliary telescopic rod and the auxiliary spring is fixed with the lifting plate, and the lifting plate is reset through the elastic force of the auxiliary spring.

[0014] The utility model provides a kind of forklift throttle position speed limiting device, it has the beneficial effects as follows:

[0015] 1, the forklift throttle position speed limiting device, by setting moving plate and driving vertical rod to move, vertical rod lifts the end of rotating plate, the end of rotating plate is elevated and lifting plate is lifted, the elevation of lifting plate makes lifting plate close to throttle pedal, simultaneously, the clamping of limiting block to limiting groove is carried out, so that the elevated lifting plate is maintained stable, and then the throttle pedal cannot continue to drop after being dropped to a certain height, the purpose of speed limiting is completed, the problem that common overspeed alarm device in prior art does not have speed limiting effect is solved.

[0016] 2. The forklift throttle limiting speed control device, through the setting of the limiting block and the limiting slot clamping, the limiting block can limit the moving plate, when it is needed to change the upper limit of the speed, the push plate is pushed to drive the moving plate to move, the movement of the moving plate drives the vertical rod to move, the movement of the vertical rod makes the end of the rotating plate rise again, and then the lifting plate is lifted to a new height, and the adjustment of the upper limit is completed. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a front view of the vertical rod of the utility model;

[0019] Figure 3 It is a side view of the box body of the utility model;

[0020] Figure 4 It is a schematic view of the internal structure of the box body of the utility model.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1, box body;

[0023] 2, adjusting device; 201, platform plate; 202, moving plate; 203, vertical rod; 204, track plate; 205, rotating plate; 206, lifting plate; 207, adjusting plate; 208, limiting block; 209, push plate;

[0024] 3, reset device; 301, reset plate; 302, supporting spring; 303, supporting telescopic rod;

[0025] 4, cross plate; 5, reset telescopic rod; 6, reset spring; 7, sliding block; 8, baffle; 9, auxiliary telescopic rod; 10, auxiliary spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0027] Please refer to Figures 1-4 The utility model embodiment provides a kind of forklift throttle limiting speed control device, including the box body 1 being set to the lower of throttle pedal, the outer surface of box body 1 is fixed with external platform by the fixed device of outside, the inside of box body 1 is provided with adjusting device 2 for adjusting and reset device 3 for resetting.

[0028] The adjusting device 2 comprises a platform plate 201 fixed with the box body 1, the upper surface of the platform plate 201 is slidably connected with a moving plate 202, the upper surface of the moving plate 202 is fixed with a vertical rod 203, the top end of the vertical rod 203 is hingedly connected with a track plate 204, the upper surface of the platform plate 201 is hingedly connected with a rotating plate 205, the bottom surface of the rotating plate 205 is provided with a track groove, the track plate 204 is slidably connected with the track groove, the upper side of the rotating plate 205 is provided with a lifting plate 206, and the lifting plate 206 is located below the accelerator pedal in the external environment.

[0029] Please refer to Figure 2 、 Figure 3 and Figure 4 , the upper surface of the platform plate 201 is provided with a plurality of limiting grooves, the upper surface of the moving plate 202 is provided with an opening, the opening corresponds to the limiting groove, the bottom surface of the platform plate 201 is provided with an adjusting plate 207, the upper surface of the adjusting plate 207 is fixed with a limiting block 208, one side surface of the limiting block 208 is provided with a rounded corner, the limiting block 208 is clamped and limited to the moving plate 202 through the limiting groove and the opening, the side surface of the box body 1 is provided with a groove, the outer side surface of the box body 1 is slidably connected with a push plate 209, the right side surface of the push plate 209 is fixed with a connecting block, the connecting block is slidably connected with the groove, the connecting block is fixed with the moving plate 202, the upper surface of the platform plate 201 is fixed with a horizontal plate 4, the right side surface of the horizontal plate 4 is fixed with a reset telescopic rod 5 and a reset spring 6, the other end of the reset telescopic rod 5 and the reset spring 6 is fixed with the moving plate 202, and the moving plate 202 is reset through the elastic force of the reset spring 6.

[0030] Please refer to Figure 2 、 Figure 3 and Figure 4 , the inner wall of the box body 1 is fixed with a sliding block 7, the side surface of the moving plate 202 is provided with a sliding groove, the sliding block 7 is slidably connected with the sliding groove, the right end of the sliding block 7 is fixed with a baffle 8, the moving plate 202 can only move left and right through the sliding connection of the sliding block 7 and the sliding groove, and the baffle 8 avoids the moving plate 202 from flying out, the reset device 3 comprises a reset plate 301 fixed to the side of the adjusting plate 207, the side surface of the box body 1 is provided with a slot, the reset plate 301 is slidably connected with the slot, the reset plate 301 can be lowered to drive the adjusting plate 207 to descend through treading, and the descent of the adjusting plate 207 makes the limiting block 208 disengage from the limiting groove.

[0031] Please refer to Figure 1 、 Figure 2 and Figure 4The bottom surface of the adjusting plate 207 is fixed with a supporting spring 302 and a supporting telescopic rod 303, the other end of the supporting spring 302 and the supporting telescopic rod 303 is fixed with the box body 1, the adjusting plate 207 is pushed to be close to the bottom surface of the platform plate 201 through the elastic force of the supporting spring 302, the side surface of the box body 1 is fixed with an auxiliary telescopic rod 9 and an auxiliary spring 10, the other end of the auxiliary telescopic rod 9 and the auxiliary spring 10 is fixed with the lifting plate 206, the lifting plate 206 is pulled to reset through the elastic force of the auxiliary spring 10.

[0032] The utility model discloses in using: through setting up mobile plate 202 drive stand pole 203 and move, stand pole 203 will the end of rotating plate 205 and lift, the end of rotating plate 205 elevates and lifts lifting plate 206, the elevation of lifting plate 206 makes lifting plate 206 close to accelerator pedal, simultaneously through the clamping of limiting block 208 to limiting groove, make the stable maintenance of the elevation of lifting plate 206, and then make accelerator pedal drop to certain height and cannot continue to drop, complete the purpose of speed limiting, solved the common overspeed warning device of prior art without speed limiting effect problem.

[0033] Through setting up limiting block 208 and limiting groove clamping, limiting block 208 can be positioned to mobile plate 202, when needing to change the upper limit of speed limiting, push plate 209 is driven to move mobile plate 202, the movement of mobile plate 202 drives stand pole 203 to move, the movement of stand pole 203 makes the end of rotating plate 205 rise again, and then top lifting plate 206 to new height, complete the adjustment of upper limit.

[0034] When needing to lower the height of lifting plate 206 to the lowest, step down reset plate 301, reset plate 301 drive adjusting plate 207 to drop, the drop of adjusting plate 207 drives limiting block 208 to drop, limiting block 208 removes the limiting of mobile plate 202, under the elastic force of reset spring 6, mobile plate 202 resets, the movement of mobile plate 202 drives rotating plate 205 to rotate and makes the end of rotating plate 205 drop, and lifting plate 206 drops under the elastic force of auxiliary spring 10.

[0035] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A forklift throttle limit speed control device, comprising a box body (1) arranged below the accelerator pedal, characterized in that: The outer surface of the box body (1) is fixed to an external platform via an external fixing device, and an adjusting device (2) for adjustment and a resetting device (3) for resetting are provided inside the box body (1); The regulating device (2) comprises a platform plate (201), the platform plate (201) being fixed to the box body (1), the upper surface of the platform plate (201) being slidably connected to a movable plate (202), the upper surface of the movable plate (202) being fixed to a vertical rod (203), the top end of the vertical rod (203) being hinged to a track plate (204), the upper surface of the platform plate (201) being hinged to a rotating plate (205), the bottom surface of the rotating plate (205) being provided with a track groove, the track plate (204) being slidably connected to the track groove, a lifting plate (206) being provided above the rotating plate (205), the lifting plate (206) being located below an external accelerator pedal.

2. A forklift throttle limit speed control device according to claim 1, characterized in that: The upper surface of the platform plate (201) is provided with a plurality of limiting grooves, the upper surface of the movable plate (202) is provided with an opening, the opening corresponding to the limiting grooves, the bottom surface of the platform plate (201) is provided with an adjustment plate (207), the upper surface of the adjustment plate (207) is fixed with a limiting block (208), one side of the limiting block (208) is provided with a rounded corner, the side of the box body (1) is provided with a groove, the outer side surface of the box body (1) is slidably connected to a push plate (209), the right side surface of the push plate (209) is fixed with a connecting block, the connecting block is slidably connected to the groove, and the connecting block is fixed to the movable plate (202).

3. The forklift throttle limit speed control device according to claim 1, characterized in that: A transverse plate (4) is fixed to the upper surface of the platform plate (201), a resetting telescopic rod (5) and a resetting spring (6) are fixed to the right side of the transverse plate (4), and the other ends of the resetting telescopic rod (5) and the resetting spring (6) are fixed to the movable plate (202).

4. The forklift throttle limit speed control device according to claim 1, characterized in that: A slider (7) is fixed to the inner wall of the box body (1), a sliding groove is provided on the side of the movable plate (202), the slider (7) is slidably connected to the sliding groove, and a baffle (8) is fixed to the right end of the slider (7).

5. The forklift throttle limit speed control device according to claim 1, characterized in that: The reset device (3) comprises a reset plate (301) fixed to the side of the adjustment plate (207); a notch is provided on the side of the box body (1); and the reset plate (301) is slidably connected to the notch.

6. The forklift throttle limit speed control device according to claim 2, characterized in that: A support spring (302) and a support telescopic rod (303) are fixed to the bottom surface of the adjustment plate (207), and the other ends of the support spring (302) and the support telescopic rod (303) are fixed to the box body (1).

7. The forklift throttle limit speed control device according to claim 1, characterized in that: An auxiliary telescopic rod (9) and an auxiliary spring (10) are fixed to the side of the box body (1), and the other ends of the auxiliary telescopic rod (9) and the auxiliary spring (10) are fixed to the lifting plate (206).