Forklift portal frame system with safety warning function

Abstract

The utility model provides a forklift portal frame system with a safety warning function, which comprises an outer portal frame of a forklift and an inner sliding frame arranged on the outer portal frame, the inner sliding frame slides up and down along a vertical guide rail of the outer portal frame, and a pallet fork is arranged on the inner sliding frame; a first warning device is arranged on a lower cross beam of the inner sliding frame, and a second warning device used in cooperation with the first warning device is arranged at the preset position of the outer door frame. When the pallet fork is close to the preset safety distance of the forklift body in the descending process, the first warning device triggers the second warning device in time, descending of the pallet fork is automatically suspended, the automatic warning and stopping function rapidly reminds a driver to pay attention to the position of the pallet fork, collision possibly caused by sight limitation or misoperation is effectively prevented, and the safety of the forklift is improved. Therefore, the operation safety of the forklift is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of forklifts, in particular to a forklift door frame system with a safety warning function. Background Art

[0002] As an efficient material handling equipment, forklifts play an important role in the logistics and warehousing industries. However, existing forklift designs have limited vision. Due to the mast structure of the forklift, it is often difficult for the driver to directly observe the exact position of the forks during operation, which is particularly problematic when performing delicate loading and unloading operations. Although modern forklifts are generally equipped with cameras and display screens to assist the driver to better understand the environment around the forks, these devices cannot completely solve the problem of poor vision. The viewing angles and images provided by the cameras and display screens may have delays or blind spots, resulting in the driver's inability to accurately judge the distance between the forks and the forklift itself or other obstacles in a timely manner during operation. In actual operations, this problem of limited vision may cause the forks to accidentally collide with the forklift body during the descent process, which may cause equipment damage or even safety accidents. Misoperation and improper observation are the main causes of such accidents, and existing auxiliary systems have not yet been able to effectively avoid such risks. Utility Model Content

[0003] In order to solve all or part of the problems of the above-mentioned prior art, the utility model provides a forklift mast system with a safety warning function, which automatically triggers the fork to pause its descending action when the fork is descended to a dangerous distance close to the forklift body, thereby warning the driver.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A forklift gantry system with a safety warning function comprises an outer gantry of a forklift and an inner slide arranged on the outer gantry, the inner slide slides up and down along the vertical guide rail of the outer gantry, and a fork is installed on the inner slide; a first warning device is arranged on the lower crossbeam of the inner slide, and a second warning device used in conjunction with the first warning device is arranged at a preset position of the outer gantry. The forklift gantry system of the utility model establishes an efficient safety monitoring mechanism through the synergistic effect of the first warning device and the second warning device. When the fork approaches the preset safety distance of the forklift body during the descent process, the first warning device promptly triggers the second warning device to automatically pause the descent of the fork. This automated warning and stop function quickly reminds the driver to pay attention to the position of the fork, effectively preventing collisions that may be caused by limited vision or operational errors, thereby enhancing the safety of forklift operation.

[0006] The first warning device includes a first fixing seat and a sensing block, wherein the sensing block is fixedly connected to the first fixing seat, and the first fixing seat is installed on the lower crossbeam of the inner slide. The stable installation of the first fixing seat provides a reliable support point for the sensing block, ensuring the stability and consistency of the sensing block during the operation of the forklift.

[0007] One end of the first fixing seat is provided with an external thread, and a matching internal thread hole is opened at a corresponding position of the inner slide, and the external thread of the first fixing seat is matched and installed with the internal thread hole of the inner slide, providing a stable and efficient connection method, ensuring the stable positioning of the first fixing seat on the inner slide.

[0008] The other end of the first fixing seat is provided with an internal threaded hole, and the sensing block is provided with a through hole, which is aligned with the internal threaded hole of the first fixing seat. The first fixing seat and the sensing block are fixedly connected by bolts, and the bolts pass through the through hole of the sensing block and the internal threaded hole of the first fixing seat for threaded connection, and the head of the bolts abuts against the end of the through hole of the sensing block. This design ensures the firmness and stability of the connection, effectively avoids the displacement or falling off of the sensing block due to external impact or vibration, and enhances the reliability and durability of the entire warning device.

[0009] The second warning device includes a second fixing base and a sensor, the sensor is fixedly connected to the second fixing base, and the second fixing base is installed on the outer mast. This specific installation position ensures an appropriate distance between the sensor and the fork on the inner slide or the first warning device, so that the sensor can accurately capture the signal from the first warning device before the fork descends to the dangerous area where a collision may occur.

[0010] The sensor is provided with at least one through hole, the second fixing seat is provided with a threaded hole aligned with the through hole of the sensor, the second fixing seat and the sensor are fixedly connected by bolts, and the bolts pass through the through hole of the sensor and the threaded hole of the second fixing seat for threaded connection. The bolt connection method simplifies the installation and maintenance process of the sensor. Maintenance personnel can quickly disassemble and reinstall the sensor, conduct necessary inspections or replace parts without complicated operations or tools, thereby improving the maintenance efficiency of the forklift and reducing maintenance costs.

[0011] One side of the second fixing base is fixed to the outer mast by welding, and the sensor is installed on the side of the second fixing base facing the inner slide. It can effectively resist strong vibration and other external forces that the forklift may encounter during operation, ensure the long-term stability of the second fixing base, and reduce maintenance requirements and potential failure risks.

[0012] The sensing range of the second warning device is 10-20mm. The setting of this sensing range takes into account the actual needs of forklift operation, avoids overly sensitive warnings, reduces the possibility of false alarms, and ensures the smoothness and efficiency of forklift operation.

[0013] The forklift also includes an alarm device connected to the second warning device, and the alarm device is connected to a human-machine interface and / or a voice playback device. The addition of the alarm device not only enhances the safety warning function of the forklift, but also improves the intuitiveness and convenience of forklift operation by providing timely and clear visual or auditory feedback.

[0014] The forklift also includes a control unit connected to the second warning device, and the control unit controls the lifting and lowering of the inner carriage. The advantage of this automated control is that it reduces human reaction time and improves the efficiency of dealing with emergencies. In an emergency, the control unit can identify risks and take measures faster than the driver, thereby effectively avoiding possible collisions or damage to the forklift.

[0015] The utility model has at least the following beneficial effects:

[0016] 1) This system significantly improves the safety of forklift operation through a carefully designed warning mechanism. When the fork is lowered to a dangerous distance close to the forklift body, the first warning device promptly triggers the second warning device, automatically activates the alarm device, and displays a warning signal or plays a warning voice through the human-computer interaction interface to quickly remind the driver to pay attention to the current status of the fork. This timely feedback mechanism effectively reduces the risk of collision caused by obstructed vision or operational errors, ensuring the safety of forklift operations.

[0017] 2) The first warning device and the second warning device are fixed by bolt connection and welding, which provides extremely high stability and reliability. The matching installation of the external thread and the internal thread hole of the first fixing seat and the second fixing seat, as well as the bolt connection between the sensor and the fixing seat, ensure the firmness and consistency of each component during the operation of the forklift. In addition, the addition of the control unit realizes automated safety control, reduces human reaction time, and improves the efficiency of responding to emergencies, thereby enhancing the stability and reliability of the entire system.

[0018] 3) The design concept of this system focuses on convenient maintenance and intuitive operation. The bolt connection between the sensor and the fixing base simplifies the installation and maintenance process, allowing maintenance personnel to quickly check the system and make necessary adjustments. The control unit is connected to the forklift's operating interface, providing the driver with real-time warning information and operational feedback, improving the efficiency and convenience of forklift operations. In addition, the sensing range of the second warning device is precisely set to 10-20mm, avoiding overly sensitive warnings, reducing the possibility of false alarms, and ensuring the smoothness and efficiency of forklift operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the specific embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is an overall structural diagram of the forklift gantry system in an embodiment of the utility model.

[0021] Figure 2 The embodiment of the utility model provides Figure 1 A magnified view of the structure in the middle.

[0022] Figure 3 It is a side view of the forklift gantry system in the embodiment of the utility model.

[0023] Figure 4 It is a top view of the forklift gantry system in the embodiment of the utility model.

[0024] Figure 5 It is a schematic diagram of the structure of the first warning device and the second warning device in an embodiment of the utility model.

[0025] Figure 6 The embodiment of the utility model provides Figure 5 Exploded view of the first warning device and the second warning device.

[0026] Figure numerals: 1-outer door frame; 2-inner slide; 201-lower crossbeam; 3-forklift; 4-first warning device; 401-first fixed seat; 402-sensor block; 5-second warning device; 501-second fixed seat; 502-sensor; 6-forklift body. DETAILED DESCRIPTION

[0027] The technical solutions in the specific embodiments of the utility model are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] The implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0029] In the present utility model embodiment, combined with reference Figure 1-Figure 6 As shown, a forklift mast system with a safety warning function is provided, comprising an outer mast 1 of a forklift and an inner slide 2 arranged on the outer mast 1, on which a fork 3 is installed. The inner slide 2 is designed to slide up and down along the vertical guide rail of the outer mast 1 to achieve the lifting and lowering action of the fork 3. A first warning device 4 is installed on the lower crossbeam 201 of the inner slide 2, and the device includes one or more sensing elements for providing real-time position feedback during the descent of the inner slide 2. A second warning device 5 is installed at a preset position on the outer mast 1, and the device cooperates with the first warning device 4 to form a complete safety warning system. When the inner slide 2 descends to a specific position, the first warning device 4 falls into the sensing range of the second warning device 5, and the second warning device 5 will detect this change and trigger the safety warning mechanism. At this time, the system will automatically stop the descent of the inner slide 2 to avoid the collision of the fork 3 with the forklift body 6 or other obstacles, thereby ensuring the safety of the operation.

[0030] In other embodiments of the present invention, the installation position of the first warning device 4 can be flexibly adjusted according to the specific structure and operation requirements of the forklift to achieve the best safety warning effect. The second warning device 5 is correspondingly matched with the installation position of the first warning device 4 to ensure that the two can interact accurately and jointly complete the safety warning function. Through this flexible and adaptable design, the forklift gantry system of the present invention not only improves the safety of forklift operation, but also significantly enhances its versatility and customizability, so that it can meet the diverse needs of different users and different application scenarios.

[0031] The first warning device 4 includes a first fixing seat 401 and a sensing block 402, and the sensing block 402 is fixedly connected with the first fixing seat 401 to form an integral body. The first fixing seat 401 is installed on the lower crossbeam 201 of the inner slide 2. Specifically, one end of the first fixing seat 401 is provided with an external thread, and a matching internal thread hole is opened at a corresponding position of the inner slide 2. The external thread of the first fixing seat 401 is matched with the internal thread hole of the inner slide 2 to ensure the stable installation of the first fixing seat 401 on the inner slide 2. This design effectively avoids loosening caused by vibration or impact during use, thereby enhancing the durability and safety of the entire warning device. The other end of the first fixing seat 401 is provided with an internal threaded hole, and the sensing block 402 is provided with a through hole, which is aligned with the internal threaded hole of the first fixing seat 401. The first fixing seat 401 and the sensing block 402 are fixedly connected by bolts, and the bolts pass through the through holes of the sensing block 402 and the internal threaded holes of the first fixing seat 401 for threaded connection, and the heads of the bolts abut against the ends of the through holes of the sensing block 402, thereby ensuring the tightness and stability of the connection. The design of bolt connection provides convenience for the installation, adjustment and maintenance of the warning device. The maintenance personnel can quickly carry out necessary inspections, maintenance or position adjustments by simply loosening or tightening the bolts, which greatly improves the efficiency of maintenance and the reliability of the use of the forklift. After completing the maintenance or adjustment, re-tightening the bolts can ensure that the warning device quickly returns to normal working state, reducing the equipment downtime and improving the continuity and efficiency of the forklift operation. In other embodiments, the structure and configuration of the first warning device 4 are not limited to the specific forms described above. It can adopt a variety of different designs to meet the operating requirements of different types of forklifts and adapt to changing working environments.

[0032] The second warning device 5 includes a second fixing seat 501 and a sensor 502, and the sensor 502 is fixedly connected to the second fixing seat 501. The second fixing seat 501 is designed to be installed on the outer mast 1 of the forklift, and according to the specific size and structure of the forklift, the second fixing seat 501 is installed on the outer mast 1. At least one through hole is provided on the sensor 502, and a threaded hole aligned with the through hole of the sensor 502 is provided on the second fixing seat 501. The second fixing seat 501 and the sensor 502 are fixedly connected by bolts, and the bolts pass through the through hole of the sensor 502 and the threaded hole on the second fixing seat 501 for threaded connection, which ensures the firmness of the device and greatly reduces the risk of failure caused by looseness or displacement. One side of the second fixing seat 501 is firmly fixed to the outer mast 1 by welding, ensuring the stability and durability of the structure. The sensor 502 is installed at an appropriate position of the second fixing seat 501, facing the side of the inner slide 2, so as to correctly sense the signal from the first warning device 4. The sensing range of the second warning device 5 is set to 10-20mm. This precise range enables the sensor 502 to accurately detect the instantaneous position of the inner slide 2. When the inner slide 2 drops into the sensing range, the sensor 502 promptly captures the sensing block 402 of the first warning device 4 and triggers the preset warning signal. This timely feedback mechanism not only effectively prevents possible collisions and operational errors, but also significantly improves the safety and efficiency of forklift operations. Through this design, the second warning device 5 works in conjunction with the first warning device 4 to ensure the safety of the forklift during lifting operations. At the same time, its precise sensing capability also ensures the high efficiency of the operation, meeting the high standards for forklift safety and operational efficiency in modern logistics operations. In addition, the design of the second warning device 5 allows for a variety of changes and optimizations while maintaining coordination with the first warning device 4 to meet the specific needs of different forklift applications.

[0033] The forklift gantry system also includes an alarm device connected to the second warning device 5, which is designed to enhance the safety and interactivity of the forklift operation. When the first warning device 4 falls into the sensing range of the second warning device 5 and triggers the sensor 502 of the second warning device 5, the alarm device is activated immediately. At this time, the alarm device will display the warning signal through the connected human-machine interaction interface. At the same time, if it is equipped with a playback device, it will also issue a corresponding warning voice to remind the driver to pay attention to the current position of the fork 3 and the potential collision risk. After receiving the alarm, the driver will immediately observe and evaluate the position of the fork 3. If it is found that the fork 3 continues to descend and may collide with the forklift itself, the driver will take necessary measures to adjust the fork 3 to a safe position through other functional operations of the forklift. After confirming safety, the driver can continue the descending operation to effectively avoid accidents. The system also includes a control unit connected to the second warning device 5, which is responsible for monitoring the interaction between the first warning device 4 and the second warning device 5. When the first warning device 4 falls into the sensing range of the second warning device 5, the control unit will receive the sensing signal from the second warning device 5. According to the preset logic, the control unit will issue a stop command to accurately control the descending action of the inner slide 2 to ensure the safety of the operation. In addition, the control unit is also connected to the operation interface of the forklift, which can provide the driver with real-time warning information and operation feedback. This design not only improves the intuitiveness of forklift operation, but also increases the convenience of operation, allowing the driver to quickly respond to various situations, thereby improving the efficiency and safety of forklift operations.

[0034] The forklift gantry system of the utility model significantly improves the safety of forklift operation through innovative design. The first and second warning devices 5 equipped in the system are respectively installed on the inner slide 2 and the outer gantry 1 to form a complete safety warning system. When the fork 3 descends and approaches the forklift body 6 or an obstacle, the first warning device 4 triggers the second warning device 5, activates the alarm, and prompts the driver through the interface display or voice. At the same time, the control unit issues a stop descent command to prevent collision. The flexibility of the system allows the warning device to adjust its position according to the forklift structure and needs, and the bolt connection design of the first warning device 4 simplifies maintenance. The 10-20mm sensing range of the second warning device 5 ensures sensing accuracy. The connection between the control unit and the operating interface enhances the intuitiveness and convenience of operation, meets the requirements of modern logistics for forklift safety and efficiency, and has broad market application potential.

[0035] It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A forklift gantry system with a safety warning function, characterized in that: The invention comprises an outer mast (1) of a forklift and an inner slide (2) arranged on the outer mast (1), wherein the inner slide (2) slides up and down along a vertical guide rail of the outer mast (1), and a fork (3) is installed on the inner slide (2); a first warning device (4) is arranged on a lower crossbeam (201) of the inner slide (2), and a second warning device (5) used in conjunction with the first warning device (4) is arranged at a preset position of the outer mast (1).

2. The forklift gantry system according to claim 1, characterized in that: The first warning device (4) comprises a first fixing seat (401) and a sensing block (402), wherein the sensing block (402) is fixedly connected to the first fixing seat (401), and the first fixing seat (401) is mounted on the lower crossbeam (201) of the inner slide frame (2).

3. The forklift gantry system according to claim 2, characterized in that: One end of the first fixing seat (401) is provided with an external thread, and a matching internal thread hole is opened at a corresponding position of the inner slide (2), and the external thread of the first fixing seat (401) is matched and installed with the internal thread hole of the inner slide (2).

4. The forklift gantry system according to claim 2, characterized in that: An internal threaded hole is provided at the other end of the first fixing seat (401), and a through hole is provided on the sensing block (402), wherein the through hole is aligned with the internal threaded hole of the first fixing seat (401), and the first fixing seat (401) and the sensing block (402) are fixedly connected by bolts, wherein the bolts pass through the through hole of the sensing block (402) and the internal threaded hole of the first fixing seat (401) to be threadedly connected, and the head of the bolts abuts against the end of the through hole of the sensing block (402).

5. The forklift gantry system according to claim 1, characterized in that: The second warning device (5) comprises a second fixing seat (501) and a sensor (502), wherein the sensor (502) is fixedly connected to the second fixing seat (501), and the second fixing seat (501) is mounted on the outer door frame (1).

6. The forklift gantry system according to claim 5, characterized in that: The sensor (502) is provided with at least one through hole, the second fixing seat (501) is provided with a threaded hole aligned with the through hole of the sensor (502), the second fixing seat (501) and the sensor (502) are fixedly connected by bolts, and the bolts pass through the through hole of the sensor (502) and the threaded hole on the second fixing seat (501) for threaded connection.

7. The forklift gantry system according to claim 5, characterized in that: One side of the second fixing seat (501) is fixed to the outer door frame (1) by welding, and the sensor (502) is installed on the side of the second fixing seat (501) facing the inner slide frame (2).

8. The forklift gantry system according to claim 1, characterized in that: The sensing range of the second warning device (5) is 10-20 mm.

9. The forklift gantry system according to claim 1, characterized in that: It also includes an alarm device connected to the second alarm device (5), wherein the alarm device is connected to a human-machine interaction interface and / or to a voice playback device.

10. The forklift gantry system according to claim 1, characterized in that: It also comprises a control unit connected to the second warning device (5), and the control unit controls the lifting and lowering of the inner slide (2).

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