CN218988709U - Intelligent anti-collision device for forklift - Google Patents

Abstract

The intelligent anti-collision device for the forklift is characterized in that a reversing obstacle detection unit is connected to a reversing loop, the reversing obstacle detection unit comprises a plurality of radar detectors distributed at the lower edge and the two side edges of the tail of the forklift, the radar detectors are connected in series to the reversing loop, a relay B is connected in series to the reversing loop, a relay A is connected in series to a forward loop, an interlocking contact B1 of the relay B is connected in series to the forward loop, an interlocking contact A1 of the relay A is connected in series to the reversing loop, and in a state that the forward loop is disconnected and the reversing loop is connected, the stopping control of the forklift is realized after the reversing loop is controlled to be disconnected according to obstacle distance information detected by the radar detectors. According to the utility model, through ingenious combination of the electric control switch and the radar detection technology, the braking and braking of the forklift is controlled according to the distance between the obstacle detected by the radar detector, the problem of collision between the forklift and the rear obstacle when the forklift is reversed is solved, and the safety and reliability of reversing operation of the forklift are improved.

Description

Intelligent anti-collision device for forklift

Technical Field

The utility model belongs to the technical field of forklift trucks, and particularly relates to an intelligent anti-collision device for forklift trucks.

Background

The forklift is used for loading and unloading, stacking and short-distance transportation of finished goods, and is easy to scratch and collide when reversing, for example, the forklift is easy to damage a factory building due to reverse collision caused by misoperation, and impact vibration injury can be caused to a driver due to forklift collision when serious, and meanwhile, the forklift body and the rear wheels are easy to damage. At present, a reversing radar is arranged at the tail part of a part of forklift, but the reversing radar only can prompt and alarm, and the braking is not effectively linked, so that the technical problems cannot be fundamentally solved, and therefore, the reversing radar needs to be improved.

Disclosure of Invention

The utility model solves the technical problems that: the utility model provides an intelligent buffer stop for forklift, through the ingenious combination with automatically controlled switch and radar detection technique, according to rear obstacle distance, realize controlling forklift brake according to the obstacle distance that radar detector detected, solved the forklift and embraced the problem that the car was collided with rear obstacle when backing, improved the safe and reliable nature that the car was backed up to improve driver and pedestrian's personal safety.

The utility model adopts the technical scheme that: the intelligent anti-collision device for the forklift truck comprises a reversing obstacle detection unit arranged on a forklift truck tail body, wherein the reversing obstacle detection unit is connected in a reversing loop, the reversing obstacle detection unit comprises a plurality of radar detectors distributed at the lower edge and the two side edges of the forklift truck tail, the radar detectors are connected in the reversing loop in series, a relay B is connected in the reversing loop in series, a relay A is connected in the advancing loop in series, an interlocking contact B1 of the relay B is connected in the advancing loop in series, an interlocking contact A1 of the relay A is connected in the reversing loop in series, and in a state that the reversing loop is connected in series, the stopping control of the forklift truck is realized after the reversing loop is controlled to be disconnected according to obstacle distance information detected by the radar detectors.

The reversing obstacle detection unit further comprises a linear detector, wherein the linear detector is arranged at the middle position of the forklift tail body, and the linear detector is connected in the reversing loop in series.

Further, the obstacle detection unit of backing a car still includes spring sensor, spring sensor is all installed in fork armful car afterbody automobile body four corners, and is connected with the spring sensor elasticity trigger end of corresponding position department respectively with fork armful car afterbody automobile body parallel arrangement's trigger plate four corners, the last hole of dodging that corresponds with the linear detector position that is made of trigger plate, and the hole setting of dodging is worn out to the detection end of linear detector, and a plurality of spring sensors that establish ties each other concatenate in the return circuit of backing a car, and all can control the return circuit disconnection of backing a car after the trigger of arbitrary spring sensor.

Further, a normally closed contact D of the spring sensor is connected in series with a steering controller in a reversing loop of the forklift.

Further, an alarm contact A2 of the relay A and an alarm contact B2 of the relay B are connected in series, then connected into an alarm loop, and connected in parallel with an original switch electric control part when a forklift advances, an indicator lamp and an alarm are connected in series on the alarm loop, a relay C is connected in series on a gear shifting loop of the forklift, and a contact C1 of the relay C is connected in series with the alarm contact A2 and the alarm contact B2.

Compared with the prior art, the utility model has the advantages that:

1. according to the technical scheme, the electric control switch and the radar detection technology are skillfully combined, so that the braking and the braking of the forklift are controlled according to the distance between the obstacle detected by the radar detector, the problem of collision between the forklift and the rear obstacle when the forklift is reversed is solved, and the safety and the reliability of reversing operation of the forklift are improved;

2. according to the technical scheme, the linear detector at the middle position of the forklift tail body is used for detecting the obstacle at the middle position of the forklift tail, so that the defect that the radar detector can only detect the obstacles at the two sides and the lower end of the forklift and can not detect the obstacle at the middle part of the forklift rear is overcome, the rear detection area of the forklift is enlarged, and the safety and reliability of the forklift in reversing are improved to the greatest extent;

3. according to the technical scheme, the spring sensors are arranged at four corners of the forklift tail body, the trigger plate parallel to the forklift tail body is connected with the spring sensors, the normally closed contacts D of the spring sensors are connected with the steering controller in the reversing loop of the forklift in series, after the trigger plate is triggered by a rear barrier to compress the spring sensors, the forklift is locked in direction while being braked, an alarm is given out, and the safety performance is greatly improved;

4. according to the technical scheme, the alarm contact A2 of the relay A and the alarm contact B2 of the relay B are connected in series and then connected into the alarm loop, so that the alarm loop is connected and alarms after any one of the radar detector, the linear detector and the spring sensor is triggered, a condition is provided for the technical discovery of faults of workers, the structure is simple, the design is novel, the cost is low, the personal safety of drivers and pedestrians is improved, and the use value is high.

Drawings

FIG. 1 is a schematic diagram of a circuit structure of the present utility model;

FIG. 2 is a schematic diagram of the positional relationship of the spring sensor, linear detector and radar detector of the present utility model.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1-2 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but 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.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The inclusion of an element as defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

The intelligent anti-collision device for the forklift, as shown in fig. 1, comprises a reversing obstacle detection unit arranged on a forklift tail body, wherein the reversing obstacle detection unit is connected in a reversing loop 1, the reversing obstacle detection unit comprises a plurality of radar detectors 2 distributed at the lower edge and the two side edges of the forklift tail, the radar detectors 2 are connected in series in the reversing loop 1, a relay B is connected in series in the reversing loop 1, a relay A is connected in series in a forward loop 3, an interlocking contact B1 of the relay B is connected in series in a forward loop 3, an interlocking contact A1 of the relay A is connected in series in the reversing loop 1, and in the on state of the reversing loop 1, the stopping control of the forklift is realized after the reversing loop 1 is controlled according to obstacle distance information detected by the radar detectors 2; in the structure, through ingenious combination of the electric control switch and the radar detection technology, the braking and braking of the forklift is controlled according to the distance between the obstacle detected by the radar detector 2, so that the problem of collision with the obstacle at the rear when the forklift is reversed is solved, and the safety and reliability of reversing operation of the forklift are improved;

the reversing obstacle detection unit further comprises a linear detector 4, wherein the linear detector 4 is arranged at the middle position of the forklift tail body, and the linear detector 4 is connected in series in the reversing loop 1; in the structure, the linear detector 4 at the middle position of the forklift tail body is used for detecting the obstacle at the middle position of the forklift tail, so that the defect that the radar detector 2 can only detect the obstacles at the two sides and the lower end of the forklift and can not detect the obstacle at the middle part of the forklift rear is overcome, the rear detection area of the forklift is enlarged, and the safety and reliability of the forklift in reversing are improved to the greatest extent;

in order to improve the safety of the forklift in the reversing process, the reversing obstacle detection unit further comprises spring sensors 5, as shown in fig. 2, the spring sensors 5 are installed at four corners of the forklift tail body, four corners of a trigger plate 6 which is arranged in parallel with the forklift tail body are respectively connected with elastic trigger ends of the spring sensors 5 at corresponding positions, the trigger plate 6 is provided with a avoidance hole 7 corresponding to the position of the linear detector 4, the detection ends of the linear detector 4 penetrate through the avoidance hole 7, a plurality of mutually connected spring sensors 5 are connected in series in the reversing loop 1, and after any one of the spring sensors 5 is triggered, the reversing loop 1 can be controlled to be disconnected; specifically, the normally closed contact D of the spring sensor 5 is connected in series with the steering controller 14 in the reversing loop 13 of the forklift; in the structure, the four corners of the forklift body at the tail part of the forklift are provided with the spring sensors 5, the trigger plate 6 parallel to the forklift body at the tail part of the forklift is connected with the spring sensors 5, the normally closed contacts D of the spring sensors 5 are connected with the steering controller 14 in the reversing loop 13 of the forklift in series, after the trigger plate 6 is triggered by a rear barrier to compress the spring sensors 5, the forklift is braked and locked in direction, and an alarm is sent out, so that the safety performance is greatly improved;

the alarm contact A2 of the relay A and the alarm contact B2 of the relay B are connected in series, then connected into an alarm loop 8, and connected in parallel with an original switch electric control part 9 when a forklift advances, an indicator lamp 10 and an alarm 11 are connected in series on the alarm loop 8, a relay C is connected in series on a gear shifting loop 12 of the forklift, and a contact C1 of the relay C is connected in series with the alarm contact A2 and the alarm contact B2; in the structure, the alarm contact A2 of the relay A and the alarm contact B2 of the relay B are connected in series and then are connected into the alarm loop 8, so that the alarm loop 8 is connected and alarms after any one of the radar detector 2, the linear detector 4 and the spring sensor 5 is triggered, and a condition is provided for the technical discovery of faults by staff;

when the gear is switched to the forward gear, the gear shifting loop 12 is closed with the gear shifting A in the forward loop 3, the coil of the relay A is electrified, the interlocking contact A1 is opened, the alarm contact A2 is opened, the alarm contact B2 is closed, the switch electric control part 9 is cooperated with the indicator lamp 10 and the alarm 11 (the original structure of the forklift is omitted here), and when the forklift is in forward, the normally closed contact D of the spring sensor 5 is closed, and the reversing loop 13 is in a normal working state;

when the gear is switched to the reverse gear, the gear shifting loop 12 is closed with the gear shifting B in the reversing loop 1, the coil of the relay B is electrified, the interlocking contact B1 is opened, the alarm contact B2 is opened, the relay A is electrified, the alarm contact A2 is closed, the coil of the relay C in the gear shifting loop 12 is electrified, and the contact C1 is closed, so that no alarm is given at the moment; when any one of the radar detector 2, the linear detector 4 and the spring sensor 5 in the reversing loop 1 is triggered, the reversing loop 1 is disconnected, the coil of the relay B is powered off, and the alarm electric shock B2 is closed, at the moment, the coil of the relay A is in a power-off state because the gear is in a reverse gear, so that the alarm contact A2A2 is closed, the alarm loop 8 is switched on, the indicator lamp 10 is lighted, and the alarm 11 gives an alarm;

the contact C1 is arranged to exclude false alarms in the gear shifting process;

finally, when the spring sensor 5 is triggered, the normally-closed electric shock D is disconnected, the steering controller is powered off, the steering is locked, and the locking and braking can be released only after the driver shifts forward gear.

The technical scheme has the advantages of simple structure, novel design, low cost, higher use value and capability of improving the personal safety of drivers and pedestrians.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. A intelligent buffer stop for forklift, its characterized in that: the device comprises a reversing obstacle detection unit arranged on a forklift tail body, wherein the reversing obstacle detection unit is connected in a reversing loop (1), the reversing obstacle detection unit comprises a plurality of radar detectors (2) distributed at the lower edge and the two side edges of the forklift tail, the radar detectors (2) are connected in the reversing loop (1) in series, a relay B is connected in the reversing loop (1) in series, a relay A is connected in the advancing loop (3) in series, an interlocking contact B1 of the relay B is connected in the advancing loop (3) in series, an interlocking contact A1 of the relay A is connected in the reversing loop (1) in series, and in the on state of the reversing loop (1) when the advancing loop (3) is disconnected, the reversing control of the forklift is realized after the reversing loop (1) is controlled according to obstacle distance information detected by the radar detectors (2).

2. The intelligent anti-collision device for forklift trucks of claim 1, wherein: the reversing obstacle detection unit further comprises a linear detector (4), wherein the linear detector (4) is arranged at the middle position of the forklift tail body, and the linear detector (4) is connected in the reversing loop (1) in series.

3. The intelligent anti-collision device for forklift trucks of claim 2, wherein: the vehicle reversing obstacle detection unit further comprises spring sensors (5), the spring sensors (5) are mounted at four corners of the vehicle body at the tail of the forklift, four corners of a trigger plate (6) which is arranged in parallel with the vehicle body at the tail of the forklift are respectively connected with elastic trigger ends of the spring sensors (5) at corresponding positions, avoidance holes (7) corresponding to the positions of the linear detectors (4) are formed in the trigger plate (6), the detection ends of the linear detectors (4) penetrate through the avoidance holes (7) to be arranged, a plurality of mutually connected spring sensors (5) are connected in series in a reversing loop (1), and the reversing loop (1) can be controlled to be disconnected after any one spring sensor (5) is triggered.

4. The intelligent anti-collision device for forklift trucks of claim 3, wherein: the normally closed contact D of the spring sensor (5) is connected in series with a steering controller (14) in a reversing loop (13) of the forklift.

5. The intelligent anti-collision device for a forklift as claimed in any one of claims 1 to 4, wherein: the alarm contact A2 of the relay A and the alarm contact B2 of the relay B are connected in series, then connected into an alarm loop (8) and connected in parallel with an original switch electric control part (9) when a forklift advances, an indicator lamp (10) and an alarm (11) are connected in series on the alarm loop (8), a relay C is connected in series on a gear shifting loop (12) of the forklift, and a contact C1 of the relay C is connected in series with the alarm contact A2 and the alarm contact B2.

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