Forklift gantry height monitoring device and lifting device

Abstract

The utility model relates to the technical field of forklifts, and discloses a forklift gantry height monitoring device and a lifting device. The forklift comprises a vehicle body and a door frame, the door frame comprises a fork arm carrier, an inner door frame and an outer door frame, the fork arm carrier is slidably connected with the inner door frame, the inner door frame is slidably connected with the outer door frame, the outer door frame is fixedly connected with the vehicle body, and the monitoring device comprises a reflection assembly arranged at the top of the inner door frame; and the laser range finder is arranged on the cross beam of the outer portal frame and is used for measuring the distance to the reflection assembly. The monitoring device and the lifting device can improve cargo loading and unloading efficiency and loading and unloading transportation safety.

Description

Technical Field

[0001] The utility model relates to the technical field of forklifts, in particular to a forklift door frame height monitoring device and a lifting device. Background Art

[0002] Counterbalanced internal combustion forklift is a kind of efficient, stable and widely applicable handling equipment, which is widely used in manufacturing, logistics, warehousing, construction and other industries and fields. Its working device is often called a gantry, which is arranged in front of the front wheel of the forklift and consists of inner gantry, outer gantry, cargo fork, lifting cylinder, chain and other parts. With the development of the logistics industry, higher requirements are put forward for operation efficiency and loading and unloading safety. Obtaining the real-time lifting height of the gantry and the lifting and lowering speed is the basis of forklift perception and the basis of safe and automated control.

[0003] Currently, forklift masts generally do not have height monitoring devices, and the height and lifting speed of the forks are only manually sensed by the operator. Real-time monitoring is impossible, which seriously affects the efficiency of cargo loading and unloading and the safety of loading and unloading transportation. Utility Model Content

[0004] The purpose of the embodiment of the utility model is to provide a forklift mast height monitoring device and a lifting device, which can improve the cargo loading and unloading efficiency and loading and unloading transportation safety.

[0005] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a forklift mast height monitoring device, the forklift includes a vehicle body and a mast, the mast includes a fork frame, an inner mast and an outer mast, the fork frame is slidably connected to the inner mast, the inner mast is slidably connected to the outer mast, the outer mast is fixedly connected to the vehicle body, and the monitoring device includes:

[0006] A reflective component, arranged on the top of the inner door frame;

[0007] A laser rangefinder is arranged on the crossbeam of the outer gantry and is used to measure the distance to the reflective assembly.

[0008] Optionally, the reflective component includes:

[0009] An equipment mounting seat connected to the inner door frame;

[0010] A reflector is connected to the equipment mounting base.

[0011] Optionally, the monitoring device further comprises an L-shaped mounting plate connected to the laser rangefinder and a crossbeam of the outer gantry.

[0012] Optionally, the reflective component is located directly above the laser rangefinder.

[0013] Optionally, the laser rangefinder is of pulse type.

[0014] Optionally, the monitoring device further includes a distance measuring host connected to the laser rangefinder.

[0015] Optionally, the monitoring device further includes a display connected to the ranging host.

[0016] On the other hand, the utility model further provides a forklift lifting device, the lifting device comprising a gantry and any one of the monitoring devices described above, wherein the monitoring device is arranged on the gantry.

[0017] Through the above technical scheme, the forklift mast height monitoring device and lifting device provided by the utility model measures the distance between the outer mast and the inner mast through the laser rangefinder arranged on the outer mast, so that the height of the inner mast can be monitored in real time during the operation of the forklift. Through the distance measuring host connected to the laser rangefinder, the lifting speed of the inner door clamp can be monitored while monitoring the height of the inner mast, thereby improving the cargo loading and unloading efficiency and the loading and unloading and transportation safety.

[0018] Other features and advantages of the embodiments of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the embodiments of the present utility model and constitute a part of the specification. Together with the following specific implementations, they are used to explain the embodiments of the present utility model, but do not constitute a limitation on the embodiments of the present utility model. In the accompanying drawings:

[0020] Figure 1 is a schematic diagram of a forklift mast height monitoring device according to an embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of a reflective component of a forklift mast height monitoring device according to an embodiment of the utility model.

[0022] Description of Reference Numerals

[0023] 1. Fork frame 2. Inner door frame

[0024] 3. External door frame 4. Reflection component

[0025] 5. Laser rangefinder 6. L-shaped mounting plate

[0026] 7. Equipment mounting base 8. Reflector DETAILED DESCRIPTION

[0027] The specific implementation of the embodiment of the utility model is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model.

[0028] In the embodiments of the present invention, unless otherwise specified, directional words such as "up, down, top, bottom" are usually used with reference to the directions shown in the drawings or are used to describe the relative positional relationships of components in the vertical, perpendicular or gravity direction.

[0029] In addition, if there are descriptions involving "first", "second", etc. in the implementation of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various implementations can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0030] like Figure 1 The figure shows a schematic diagram of a forklift mast height monitoring device according to an embodiment of the present utility model. Figure 1 In the embodiment, the forklift may include a vehicle body and a mast, the mast includes a fork frame 1, an inner mast 2 and an outer mast 3, the fork frame 1 is slidably connected to the inner mast 2, the inner mast 2 is slidably connected to the outer mast 3, and the outer mast 3 is fixedly connected to the vehicle body. The monitoring device may include a reflective component 4 and a laser rangefinder 5. The reflective component 4 may be arranged on the top of the inner mast 2, and the laser rangefinder 5 may be arranged on the crossbeam of the outer mast 3, for measuring the distance to the reflective component 4.

[0031] In this embodiment, the specific form of the reflective component 4 can be various known to those skilled in the art. In a preferred example of the present invention, the reflective component 4 can include a device mounting seat 7 and a reflective plate 8, such as Figure 2 As shown. The device mounting seat 7 can be connected to the inner door frame 2, and the reflector 8 can be connected to the device mounting seat 7. Specifically, the device mounting seat 7 is welded to the bottom of the top crossbeam of the inner door frame 2, and the device mounting seat 7 is provided with bolt holes, and the reflector 8 is fixed to the device mounting plate through the bolt holes.

[0032] In order to fix the laser rangefinder 5, as Figure 2As shown, the monitoring device may further include an L-shaped mounting plate 6. The L-shaped mounting plate 6 is connected to the laser rangefinder 5 and the crossbeam of the outer mast 3. Specifically, a plurality of bolt holes are provided on the L-shaped mounting plate 6, the laser rangefinder 5 is connected to the L-shaped mounting plate 6 by bolts, and the L-shaped mounting plate 6 is fixed to the top of the crossbeam of the outer mast 3 by bolts.

[0033] The laser rangefinder 5 is used to measure the height of the inner mast 2 of the forklift relative to the outer mast 3 by measuring the distance to the reflective component 4 . Therefore, in this embodiment, the reflective component 4 is located directly above the laser rangefinder 5 .

[0034] In this embodiment, the type of the laser rangefinder 5 can be any of the types known to those skilled in the art. Considering that the reflector 8 is in motion, in a preferred example of the present invention, the laser rangefinder 5 is a pulse type.

[0035] In the actual operation of the forklift, in addition to obtaining the lifting height of the forklift mast, obtaining the mast lifting speed can help the staff to more clearly perceive the operating status of the vehicle, thereby improving safety. In order to measure the moving speed of the inner mast 2 of the forklift relative to the outer mast 3, in this embodiment, the monitoring device can also include a distance measuring host. The distance measuring host can be connected to the laser rangefinder 5, and the moving speed of the inner mast 2 relative to the outer mast 3 can be calculated by recording the relevant time points and the height of the inner mast 2 relative to the outer mast 3.

[0036] In order to more intuitively show the lifting height and lifting speed of the forklift mast to the staff, in one embodiment of the utility model, the monitoring device may also include a display. The display may be connected to the distance measuring host to display the lifting height and lifting speed of the forklift mast sent by the measurement and control host.

[0037] On the other hand, the utility model also provides a forklift lifting device, the lifting device comprises a gantry and a monitoring device as described above, the monitoring device is arranged on the gantry, and the monitoring device is specifically as follows: Figure 1 to Figure 2 shown.

[0038] like Figure 1 The figure shows a schematic diagram of a forklift mast height monitoring device according to an embodiment of the present utility model. Figure 1 In the embodiment, the forklift may include a vehicle body and a mast, the mast includes a fork frame 1, an inner mast 2 and an outer mast 3, the fork frame 1 is slidably connected to the inner mast 2, the inner mast 2 is slidably connected to the outer mast 3, and the outer mast 3 is fixedly connected to the vehicle body. The monitoring device may include a reflective component 4 and a laser rangefinder 5. The reflective component 4 may be arranged on the top of the inner mast 2, and the laser rangefinder 5 may be arranged on the crossbeam of the outer mast 3, for measuring the distance to the reflective component 4.

[0039] In this embodiment, the specific form of the reflective component 4 can be various known to those skilled in the art. In a preferred example of the present invention, the reflective component 4 can include a device mounting seat 7 and a reflective plate 8, such as Figure 2 As shown. The device mounting seat 7 can be connected to the inner door frame 2, and the reflector 8 can be connected to the device mounting seat 7. Specifically, the device mounting seat 7 is welded to the bottom of the top crossbeam of the inner door frame 2, and the device mounting seat 7 is provided with bolt holes, and the reflector 8 is fixed to the device mounting plate through the bolt holes.

[0040] In order to fix the laser rangefinder 5, as Figure 2 As shown, the monitoring device may further include an L-shaped mounting plate 6. The L-shaped mounting plate 6 is connected to the laser rangefinder 5 and the crossbeam of the outer mast 3. Specifically, a plurality of bolt holes are provided on the L-shaped mounting plate 6, the laser rangefinder 5 is connected to the L-shaped mounting plate 6 by bolts, and the L-shaped mounting plate 6 is fixed to the top of the crossbeam of the outer mast 3 by bolts.

[0041] The laser rangefinder 5 is used to measure the height of the inner mast 2 of the forklift relative to the outer mast 3 by measuring the distance to the reflective component 4 . Therefore, in this embodiment, the reflective component 4 is located directly above the laser rangefinder 5 .

[0042] In this embodiment, the type of the laser rangefinder 5 can be any of the types known to those skilled in the art. Considering that the reflector 8 is in motion, in a preferred example of the present invention, the laser rangefinder 5 is a pulse type.

[0043] In the actual operation of the forklift, in addition to obtaining the lifting height of the forklift mast, obtaining the mast lifting speed can help the staff to more clearly perceive the operating status of the vehicle, thereby improving safety. In order to measure the moving speed of the inner mast 2 of the forklift relative to the outer mast 3, in this embodiment, the monitoring device can also include a distance measuring host. The distance measuring host can be connected to the laser rangefinder 5, and the moving speed of the inner mast 2 relative to the outer mast 3 can be calculated by recording the relevant time points and the height of the inner mast 2 relative to the outer mast 3.

[0044] In order to more intuitively show the lifting height and lifting speed of the forklift mast to the staff, in one embodiment of the utility model, the monitoring device may also include a display. The display may be connected to the distance measuring host to display the lifting height and lifting speed of the forklift mast sent by the measurement and control host.

[0045] Through the above technical scheme, the forklift mast height monitoring device and lifting device provided by the utility model measures the distance between the outer mast and the inner mast through the laser rangefinder arranged on the outer mast, so that the height of the inner mast can be monitored in real time during the operation of the forklift. Through the distance measuring host connected to the laser rangefinder, the lifting speed of the inner door clamp can be monitored while monitoring the height of the inner mast, thereby improving the cargo loading and unloading efficiency and the loading and unloading and transportation safety.

[0046] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0047] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. A forklift mast height monitoring device, the forklift comprises a vehicle body and a mast, the mast comprises a fork frame, an inner mast and an outer mast, the fork frame is slidably connected to the inner mast, the inner mast is slidably connected to the outer mast, the outer mast is fixedly connected to the vehicle body, characterized in that: The monitoring device comprises: A reflective component, arranged on the top of the inner door frame; A laser rangefinder is arranged on the crossbeam of the outer gantry and is used to measure the distance to the reflective assembly.

2. The monitoring device according to claim 1, characterized in that: The reflective component comprises: An equipment mounting seat connected to the inner door frame; A reflector is connected to the equipment mounting base.

3. The monitoring device according to claim 1, characterized in that: The monitoring device also includes an L-shaped mounting plate connected to the laser rangefinder and the crossbeam of the outer gantry.

4. The monitoring device according to claim 1, characterized in that: The reflective component is located directly above the laser rangefinder.

5. The monitoring device according to claim 1, characterized in that: The laser rangefinder is of pulse type.

6. The monitoring device according to claim 1, characterized in that: The monitoring device also includes a distance measuring host connected to the laser distance meter.

7. The monitoring device according to claim 6, characterized in that: The monitoring device also includes a display connected to the distance measuring host.

8. A forklift lifting device, characterized in that: The lifting device comprises a gantry and a monitoring device as described in any one of claims 1 to 7, and the monitoring device is arranged on the gantry.

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