CN217980267U

CN217980267U - Device for measuring rotation angle of winch

Info

Publication number: CN217980267U
Application number: CN202221962656.8U
Authority: CN
Inventors: 沈建坤; 令洁; 刘旭升
Original assignee: Xi'an Wanshuo Electronics Technology Co ltd
Current assignee: Xi'an Wanshuo Electronics Technology Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-06
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a hoist engine rotation angle measuring device, include: the device comprises a mounting shell, an acceleration sensor, a controller and a wireless transceiver; the mounting shell is fixedly connected with the end, close to the exposed end, of a transmission shaft of a limiter of an external winch or fixedly connected with the radial end surface of a roller of the winch; the acceleration sensor, the controller and the wireless transceiver are all arranged in the mounting shell; the acceleration sensor and the wireless transceiver are both electrically connected with the controller. The utility model discloses an installation shell can directly install measuring device additional to the transmission shaft of stopper or hoist engine cylinder on, measure through acceleration sensor. The measuring device is simple in structure, the installation convenience and the installation efficiency are improved, meanwhile, the cost is reduced, and the safety and the reliability of the winch in the working process are improved.

Description

Device for measuring rotation angle of winch

Technical Field

The utility model belongs to the technical field of the hoist engine detects, concretely relates to hoist engine rotation angle measuring device.

Background

The equipment such as the crane drags the steel wire rope by the winch, and the extending length of the steel wire rope can be obtained by measuring the rotating angle of the winch, so that the running state of the equipment can be known. The conventional measurement mode is that the winch is linked with a mechanical part such as a gear, a coupler and the like, and the rotation of the winch is transmitted to a potentiometer or an encoder for measurement.

The mode is easy to realize in the production and manufacturing process of the crane, but some defects exist in the process of detecting by additionally arranging additional parts after leaving a factory. This presents two problems due to the need to add or modify mechanical components to establish the mechanical transmission: firstly, an additionally installed mechanical structure is complex, and the problems of infirm fixation, low installation precision and the like easily cause abrasion or falling of joint parts, influence on safe operation of a winch or related equipment and even cause falling objects, and influence on safety and reliability; secondly, some devices are not easy to add extra mechanical parts due to reasons such as structural layout and the like, and the adding process is complex to operate. In addition, the commonly used potentiometer has a dead zone in a certain range, and after the steel wire rope is replaced or cut and the like, the potentiometer often enters the dead zone and cannot be measured, the sensor needs to be adjusted again, and the operation is complicated.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems existing in the prior art, the utility model provides a measuring device for the rotation angle of a winch. The to-be-solved technical problem of the utility model is realized through following technical scheme:

a winding machine rotation angle measuring device comprising: installing a shell, an acceleration sensor, a controller and a wireless transceiver;

the mounting shell is fixedly connected with the end, close to the exposed end, of a transmission shaft of a limiter of an external winch or fixedly connected with the radial end surface of a roller of the winch;

the acceleration sensor, the controller and the wireless transceiver are all arranged in the mounting shell;

the acceleration sensor and the wireless transceiver are electrically connected with the controller.

In an embodiment of the present invention, a gyroscope sensor is further disposed in the mounting housing;

the gyroscope sensor is electrically connected with the controller.

In one embodiment of the present invention, the wireless transceiver includes a radio frequency transceiver and an antenna;

the radio frequency transceiver is electrically connected with the controller; the radio frequency transceiver is electrically connected with the antenna.

In an embodiment of the present invention, the mounting housing includes a first sub-housing and a mounting portion;

the mounting part is fixedly connected with the first sub-shell and is positioned in the middle of the first sub-shell;

the middle part of the mounting part is provided with a mounting through hole, and the mounting part is also provided with a pin shaft hole;

the pin shaft hole penetrates through the mounting through hole and extends along the radial direction of the mounting through hole;

the exposed end of the transmission shaft can penetrate through the mounting through hole;

the acceleration sensor, the controller, the wireless transceiver, and the gyroscope sensor are all disposed within the first sub-housing.

In an embodiment of the present invention, the mounting through hole penetrates the first sub-housing.

In an embodiment of the present invention, at least one magnet is further disposed in the first sub-housing.

In an embodiment of the present invention, a battery is further disposed in the first sub-housing;

the battery is electrically connected with the controller.

The utility model has the advantages that:

the utility model discloses an installation shell can directly install measuring device additional to the transmission shaft of stopper or hoist engine cylinder on, measure through acceleration sensor. The measuring device is simple in structure, the cost is reduced while the installation convenience and the installation efficiency are improved, meanwhile, the abrasion caused by installation of a complex mechanical structure can be avoided, and the safety and the reliability of the winch in the working process are improved. In addition, the measurement process has no blind area.

Moreover, the wireless transceiver is adopted for wireless data transmission, and the wireless data transmission is not restricted by the cable, so that the cable is prevented from being twisted and damaged in the rotating process.

The present invention will be described in further detail with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic structural view of an installation state of a device for measuring a rotation angle of a winch according to an embodiment of the present invention;

fig. 2 is a schematic structural view of another installation state of a device for measuring a rotation angle of a winch according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a device for measuring a rotation angle of a hoisting machine according to an embodiment of the present invention;

fig. 4 is a schematic circuit block diagram of a device for measuring a rotation angle of a winch according to an embodiment of the present invention;

fig. 5 is a schematic side view of a device for measuring the rotation angle of a hoisting machine according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a usage state of a device for measuring a rotation angle of a winch according to an embodiment of the present invention;

fig. 7 is an internal schematic view of a device for measuring a rotation angle of a winch according to an embodiment of the present invention.

Description of reference numerals:

10-mounting a housing; 11-a first sub-housing; 12-a mounting portion; 13-mounting a through hole; 14-pin shaft holes; 15-a pin shaft; 20-an acceleration sensor; 30-a controller; 40-a wireless transceiver; 41-a radio frequency transceiver; 42-an antenna; 50-a gyroscope sensor; 60-a battery; 70-a magnet.

Detailed Description

The present invention will be described in further detail with reference to specific examples, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1, 2 and 3, a winding machine rotation angle measuring apparatus includes: mounting the housing 10, the acceleration sensor 20, the controller 30 and the wireless transceiver 40;

the mounting shell 10 is fixedly connected with the end, close to the exposed part, of a transmission shaft of a limiter of an external winch or fixedly connected with the radial end surface of a roller of the winch. The acceleration sensor 20, the controller 30 and the wireless transceiver 40 are all disposed within the mounting housing 10. The acceleration sensor 20 and the wireless transceiver 40 are electrically connected to the controller 30.

The measuring device of the embodiment can be installed in two ways, one of them is installed on the stopper, specifically, one end of the transmission shaft of the stopper of the winch is connected with the winch, the other end is an exposed end exposed outside and not connected with other components of the winch, the installation shell 10 can be installed on the exposed end, and the measuring device rotates along with the transmission shaft. Another way of mounting is for a hoist without a stop, the mounting housing 10 is fixed to the hoist drum and the measuring device can rotate with the hoist drum. The measuring device collects acceleration data through the acceleration sensor 20 in the rotating process and sends the acceleration data to the controller 30, and the controller 30 processes the data and sends the data to an external upper computer with a wireless transceiving function through the wireless transceiver 40.

The measuring device of this embodiment can directly install measuring device additional on the transmission shaft of stopper or hoist engine cylinder through installation shell 10 after equipment to be tested leaves the factory, need not to change the structure of hoist engine or the equipment that has the hoist engine, measuring device simple structure, the installation is easy and simple to handle, the cost is reduced when having improved the convenience of installation and installation effectiveness, the wearing and tearing that complicated mechanical structure installation brought among the prior art can also be avoided simultaneously, security and reliability in the hoist engine working process have been promoted.

In addition, a potentiometer is not needed, and no blind area exists in the measuring process. After the steel wire rope is replaced or cut, the angle of the winch is detected again, and the corresponding relation between the angle of the winch and the length of the steel wire rope is adjusted. Moreover, the wireless transceiver 40 is adopted for wireless data transmission, and the wireless data transmission is not restricted by the cable, so that the cable is prevented from being twisted and damaged in the rotating process.

The acceleration sensor 20 collects acceleration, and the controller 30 calculates the acceleration to obtain three vectors, namely, gravitational acceleration, normal acceleration and tangential acceleration. The current angle of the winch can be obtained by tracking the gravity acceleration direction. And accumulating the angles to obtain the total rotation angle of the winch. The angular acceleration and the angular velocity of the rotation of the winch can be calculated through the tangential acceleration and the normal acceleration. The information such as the position, the speed, the acceleration and the like of the steel wire rope is obtained through the calculation, and the acquired data and the calculated information can be sent to a nearby upper computer with wireless data transmission through the wireless transceiver 40.

Further, a gyro sensor 50 is also provided in the mounting case 10. The gyro sensor 50 is electrically connected to the controller 30. In the case of a high rotational speed, the angular velocity can also be detected by the gyro sensor 50. The acceleration sensor 20 and the gyro sensor 50 collect acceleration and angular velocity, and the controller 30 calculates the acceleration and the angular velocity to obtain three vectors of gravitational acceleration, normal acceleration, and tangential acceleration. The current angle of the winch can be obtained by tracking the gravity acceleration direction. And accumulating the angles to obtain the total rotation angle of the winch. The angular acceleration and the angular velocity of the rotation of the winch can be calculated through the tangential acceleration and the normal acceleration. The position, speed, acceleration and other information of the steel wire rope are obtained through the calculation, and the acquired data and the calculated information can be sent to an external upper computer with wireless data transmission through the wireless transceiver 40.

Further, as shown in fig. 4, the wireless transceiver 40 includes a radio frequency transceiver 41 and an antenna 42. The radio frequency transceiver 41 is electrically connected with the controller 30; the radio frequency transceiver 41 is electrically connected to an antenna 42. The collected acceleration and angular velocity data and the calculated related information received by the controller 30 are transmitted to an external upper computer having a radio frequency transceiver device through the radio frequency transceiver 41.

Further, as shown in fig. 5, 6 and 7, the housing 10 is mounted, and includes a first sub-housing 11 and a mounting portion 12.

The mounting portion 12 is fixedly connected to the first sub-housing 11, and the mounting portion 12 is located in the middle of the first sub-housing 11. The middle part of the mounting part 12 is provided with a mounting through hole 13, and the mounting part 12 is also provided with a pin shaft hole 14; the pin shaft hole 14 penetrates through the mounting through hole 13 and extends in the radial direction of the mounting through hole 13; the exposed end of the drive shaft may be inserted into the mounting through hole 13. The shaft body of the transmission shaft close to the exposed end part is arranged in the mounting through hole 13 in a penetrating mode, the pin shaft 15 penetrates through the pin shaft hole 14 and the mounting hole at the exposed end part of the transmission shaft to fix the mounting part 12 on the transmission shaft, and the simplicity and convenience of mounting and fixing operations are further improved. The mounting through hole 13 is a circular hole matched with the transmission shaft.

The acceleration sensor 20, the controller 30, the wireless transceiver 40, and the gyro sensor 50 are all disposed within the first sub-housing 11. A battery 60 is also arranged in the first sub-shell 11; the battery 60 is electrically connected to the controller 30. Preferably, the mounting through hole 13 penetrates the first sub-housing 11.

Preferably, the first sub-housing 11 and the mounting portion 12 are disc-shaped, a disc surface of the mounting portion 12 and a disc surface of the first sub-housing 11 are fixedly connected, and the mounting through hole 13 extends in an axial direction on the disc surfaces.

Further, at least one magnet 70 is disposed in the first sub-housing 11. When the measuring device is installed on the winding drum, the installation case 10 may be directly attached to the winding drum by the magnetic force of the magnet 70. Among them, the magnet 70 is a strong magnet 70. Preferably, glue is also applied between the mounting housing 10 and the winch drum to enhance the connection between the two.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A winding machine rotation angle measuring apparatus, comprising: mounting a shell (10), an acceleration sensor (20), a controller (30) and a wireless transceiver (40);

the mounting shell (10) is fixedly connected with the end, close to the exposed part, of a transmission shaft of a limiter of an external winch or fixedly connected with the radial end surface of a roller of the winch;

the acceleration sensor (20), the controller (30) and the wireless transceiver (40) are all disposed within the mounting housing (10);

the acceleration sensor (20) and the wireless transceiver (40) are both electrically connected to the controller (30).

2. Winding machine rotation angle measuring device according to claim 1, characterized in that a gyro sensor (50) is also arranged in the mounting housing (10);

the gyro sensor (50) is electrically connected to the controller (30).

3. Winch rotation angle measurement device according to claim 2, characterized in that the wireless transceiver (40) comprises a radio frequency transceiver (41) and an antenna (42);

the radio frequency transceiver (41) is electrically connected with the controller (30); the radio frequency transceiver (41) is electrically connected with the antenna (42).

4. The winding machine rotation angle measuring device according to claim 2, wherein the mounting case (10) includes a first sub-case (11) and a mounting portion (12);

the mounting part (12) is fixedly connected with the first sub-shell (11) and is positioned in the middle of the first sub-shell (11);

the middle part of the mounting part (12) is provided with a mounting through hole (13), and the mounting part (12) is also provided with a pin shaft hole (14);

the pin shaft hole (14) penetrates through the mounting through hole (13) and extends in the radial direction of the mounting through hole (13);

the exposed end of the transmission shaft can be arranged in the mounting through hole (13) in a penetrating manner;

the acceleration sensor (20), the controller (30), the wireless transceiver (40) and the gyroscope sensor (50) are all disposed within the first sub-housing (11).

5. The winding machine rotation angle measuring device according to claim 4, wherein the mounting through hole (13) penetrates the first sub-housing (11).

6. Winch rotation angle measuring device according to claim 5, characterized in that at least one magnet (70) is arranged in the first sub-housing (11).

7. The winding engine rotation angle measuring device according to claim 4, wherein a battery (60) is further provided in the first sub-housing (11);

the battery (60) is electrically connected to the controller (30).