CN219956685U - Be applied to high altitude car platform force transducer of weighing - Google Patents

Abstract

The utility model provides a force sensor applied to weighing of a high-altitude vehicle platform, which comprises an elastomer and a sensor module, wherein a first strain bin, a second strain bin, a transmitter bin and a wire passing channel are arranged in the elastomer, the first strain bin is connected with the second strain bin through the wire passing channel, the sensor module comprises a first strain gauge, a second strain gauge and a transmitter, the first strain gauge is arranged in the first strain bin, the second strain gauge is arranged in the second strain bin, the transmitter is arranged in the transmitter bin, and the first strain gauge and the second strain gauge are connected with the transmitter. According to the utility model, the force sensor is replaced by the solid pin at the joint of the electric cylinder and the shearing fork plate, so that the problem of installation of the force sensor is solved, the thrust of the electric cylinder is accurately tested in real time, and thus, the acquired data is converted into the platform for weighing, and the measurement is more accurate.

Description

Be applied to high altitude car platform force transducer of weighing

Technical Field

The utility model relates to the technical field of sensors, in particular to a force sensor applied to weighing of a high-altitude vehicle platform.

Background

At present, the weight of a scissor type high-altitude vehicle on the domestic market is calculated by the hydraulic pressure of an electric cylinder or an oil cylinder, thus the weighing is only a rough value, the weighing data is inaccurate, the existing force sensor is installed on the scissor type high-altitude vehicle for weighing, a certain difficulty exists in installing the force sensor on a high-altitude vehicle platform, the position of a proper force measuring point is found on the high-altitude vehicle platform according to the structure of the sensor for installing and measuring so as to obtain accurate data, the workload is increased undoubtedly, the labor cost is wasted, the existing sensor structure is not well adapted to the high-altitude vehicle platform, a plurality of sensors are installed on the high-altitude vehicle platform, and then the measured data are summarized, so that the measured data are easy to cause a large error.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a force sensor applied to weighing of a platform of a high-altitude vehicle, so as to solve the problems mentioned in the background art and overcome the defects existing in the prior art.

In order to achieve the above purpose, the utility model provides a force sensor applied to weighing of a high-altitude vehicle platform, which comprises an elastomer and a sensor module, wherein a first strain bin, a second strain bin, a transmitter bin and a wire passing channel are arranged in the elastomer, the first strain bin is connected with the second strain bin through the wire passing channel, the sensor module comprises a first strain gauge, a second strain gauge and a transmitter, the first strain gauge is arranged in the first strain bin, the second strain gauge is arranged in the second strain bin, the transmitter is arranged in the transmitter bin, and the first strain gauge and the second strain gauge are connected with the transmitter.

Preferably, the elastic body is provided with a limit pin hole.

In any of the above schemes, preferably, one end of the elastic body is provided with a cable lock head, and the cable lock head is connected with the transmitter.

In any of the above schemes, preferably, the transmitter bin is communicated with the first strain bin through a line-passing channel, and the first strain bin is communicated with the second strain bin through a line-passing channel.

In any of the above schemes, preferably, the device further comprises a strain bin cover plate, and the strain bin cover plates are respectively arranged on the first strain bin and the second strain bin.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. according to the force sensor applied to the high-altitude car platform weighing, the problem of installation of the force sensor is solved by replacing the solid pins at the joint of the electric cylinder and the shearing fork plate, and the thrust of the electric cylinder is accurately tested in real time, so that the collected data is converted to be weighed out of the platform, and the measurement is more accurate.

2. The traditional sensor is limited by virtue of the clamping plate in the fixing direction, the limiting pin hole is reserved in the center of the sensor according to the vehicle type design limiting mode, and the sensor is safer and more stable to use because the bolt penetrates through the limiting pin hole to fix for limiting.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a force sensor applied to weighing an aerial platform according to an embodiment of the present utility model.

Fig. 2 is a front view of a force sensor applied to weighing an aerial platform according to an embodiment of the present utility model.

Fig. 3 is a cross-sectional view along direction D-D of fig. 2 of a force sensor for use in weighing an overhead vehicle platform according to an embodiment of the present utility model.

Fig. 4 is a cross-sectional view taken along the direction F-F of fig. 2 of a force sensor for use in weighing an overhead vehicle platform according to an embodiment of the present utility model.

Fig. 5 is a rear view of the force sensor of fig. 1 applied to weighing an aerial platform according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram of connection between a force sensor and an output end of an electric cylinder for weighing an aerial vehicle platform.

Wherein: 1-an elastomer; 2-a first strain bin; 3-a second strain bin; 4-a transmitter bin; 5-a wire passing channel; 6-a first strain gauge; 7-a second strain gage; 8-a transmitter; 9-limiting pin holes; 10-a cable lock; 11-an electric cylinder installation area; 12-a bearing support area; 13-an electric cylinder; 14-a scissors plate; 15-strain bin cover plate.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 6, the force sensor applied to weighing of a high-altitude vehicle platform in the embodiment of the utility model comprises an elastic body 1 and a sensor module, wherein a first strain bin 2, a second strain bin 3, a transmitter bin 4 and a line passing channel 5 are arranged in the elastic body 1, the first strain bin 2 is connected with the second strain bin 3 through the line passing channel 5, the sensor module comprises a first strain sheet 6, a second strain sheet 7 and a transmitter, the first strain sheet 6 is arranged in the first strain bin 2, the second strain sheet 7 is arranged in the second strain bin 3, the transmitter is arranged in the transmitter bin 4, and the first strain sheet 6 and the second strain sheet 7 are connected with the transmitter 8.

The elastic body 1 mainly comprises 3 areas, an electric cylinder installation area 11 is arranged in the area of the elastic body 1 part between the first strain bin 2 and the second strain bin 3, the electric cylinder installation area 11 is connected with the output end of an electric cylinder, a bearing area 12 is arranged in the area from the first strain bin 2 to one end of the elastic body 1, namely, the area from the first strain bin 2 to the transmitter bin 4, a bearing area 12 is arranged in the area from the second strain bin 3 to the other end of the elastic body 1, and the bearing areas 12 at the two ends of the electric cylinder installation area 11 are respectively connected with a shearing plate, so that the elastic body 1 not only realizes the function of replacing a pin shaft, but also can measure the thrust of the electric cylinder.

The transmitter bin 4 is communicated with the first strain bin 2 through the line passing channel 5, and the first strain bin 2 is communicated with the second strain bin 3 through the line passing channel 5. The first strain gauge 6 in the first strain bin 2 is fixed with the sensor elastomer 1 through an adhesive, the second strain gauge 7 in the second strain bin 3 is fixed with the sensor elastomer 1 through an adhesive, the two strain gauges are connected into a group of full-bridge Wheatstone bridges, a wire is connected to the transmitter 8 through the wire passing channel 5, the output signal type is selectable, and one end of the elastomer 1 is provided with a cable lock 10. The output end of the transmitter 8 is connected with the cable lock 10 to form a complete sensor output signal.

And the strain bin cover plate is also included, and the strain bin cover plates 15 are respectively arranged on the first strain bin and the second strain bin. The strain bin cover plate covers the strain bin, so that the strain bin is conveniently opened, and the strain gauge is maintained.

According to the force sensor applied to weighing of the high-altitude vehicle platform, the problem of installation of the force sensor is solved by replacing the solid pins at the joint of the electric cylinder 13 and the scissor plate 14, and the thrust of the electric cylinder is accurately tested in real time, so that the collected data is converted to be weighed out of the platform, and the measurement is more accurate.

Specifically, the elastic body 1 is provided with a limit pin hole 9. The traditional sensor is limited by virtue of the clamping plate in the fixing direction, the limiting pin hole 9 is reserved in the center of the sensor according to the vehicle type design limiting mode, and the sensor is more safe and stable to use because the bolt penetrates through the limiting pin hole 9 to fix and limit.

According to the force sensor applied to the high-altitude vehicle platform weighing, in the lifting process of the platform, the electric cylinder push rod applies force to the sensor, so that the sensor is elastically deformed, signals are output on the bridge in response, and the signals are transmitted and converted to be output through the transmitter. And the controller of the aerial working vehicle acquires data and finally displays the real-time weight value.

According to the utility model, the sensor structure is laid out and is matched with the machine type, so that the original pin shaft at the same position of the operation vehicle is replaced by the sensor, and the operation vehicle is weighed in real time. Simple structure, simple to operate measures accurately.

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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be readily understood by those skilled in the art that the present utility model, including any combination of parts described in the summary and detailed description of the utility model above and shown in the drawings, is limited in scope and does not constitute a complete description of the various aspects of these combinations for the sake of brevity. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (4)

1. Be applied to high altitude platform weighing's force sensor, a serial communication port, including elastomer and sensor module, be provided with first strain storehouse, second strain storehouse, changer storehouse and cross the line passageway in the elastomer, first strain storehouse pass through the line hole with the second strain storehouse is connected, sensor module includes first foil gage, second foil gage and changer, be equipped with in the first strain storehouse first foil gage, be equipped with in the second strain storehouse second foil gage, be equipped with in the changer storehouse the changer, first foil gage with the second foil gage with the changer is connected.

2. A force sensor for use in weighing an overhead vehicle platform according to claim 1, wherein the elastic body is provided with a limit pin hole.

3. The force sensor for use in weighing an overhead vehicle platform according to claim 1, wherein one end of the elastomer is provided with a cable lock, the cable lock being connected to the transducer.

4. The force sensor for weighing an aerial platform of claim 1, further comprising a strain bin cover plate, wherein the first strain bin and the second strain bin are each provided with a strain bin cover plate.