阅读说明：本技术 回转速度检测系统及挖掘机 (Rotation speed detection system and excavator ) 是由 王希志 陈华 龚君舜 于 2019-11-26 设计创作，主要内容包括：本申请涉及转速检测设备技术领域,尤其是涉及一种回转速度检测系统及挖掘机,回转速度检测系统包括：相对设置的第一检测装置和第二检测装置；回转构件,第一检测装置设置于回转构件,使第一检测装置能够随回转构件相对第二检测装置转动；控制装置,与第一检测装置或第二检测装置电连接。本申请提供的回转速度检测系统操作简单并且智能化,避免人工操作时产生的干扰因素多,不可避免的误差较大,因此,本申请提供的回转速度检测系统不仅降低了操作人员的工作量,重要的是,显著提高了检测结果的精确度。(The application relates to rotational speed check out test set technical field especially relates to a slew velocity detecting system and excavator, and slew velocity detecting system includes: the first detection device and the second detection device are oppositely arranged; the first detection device is arranged on the rotating component and can rotate along with the rotating component relative to the second detection device; and the control device is electrically connected with the first detection device or the second detection device. The rotating speed detection system is simple and intelligent to operate, interference factors generated in manual operation are multiple, and inevitable errors are large, so that the rotating speed detection system provided by the application not only reduces the workload of operators, but also obviously improves the accuracy of detection results.)

1. A swing speed detecting system, comprising:

a first detecting device and a second detecting device disposed opposite to each other;

a revolving member, the first detecting means being provided to the revolving member so that the first detecting means can rotate with the revolving member relative to the second detecting means;

and the control device is connected with the first detection device or the second detection device.

2. The swing speed detecting system according to claim 1, wherein the first detecting means is provided at a mounting portion of the swing member, the mounting portion is disposed opposite to the second detecting means when the swing member is located at a predetermined position, and the swing member is rotated to drive the mounting portion to periodically return to the predetermined position.

3. The slew rate detection system of claim 1, further comprising a support assembly;

the support assembly comprises a first connecting piece and a second connecting piece;

the first connecting member includes a first connecting portion and a second connecting portion crossing each other to form an L-shape, and the second detecting device is disposed at the first connecting portion.

4. The swing speed detection system according to claim 3, further comprising a fixed connection;

the second link includes a third link and a fourth link crossing each other to form an L shape, the second link being rotatably connected with the third link, and the fourth link being connected with the fixed link.

5. The swing speed detecting system according to claim 3, wherein the first link and the second link are connected by an adjusting bolt and locked by a nut.

6. The slew rate detection system of any of claims 1-5, where the first detection device is a laser receiver and the second detection device is a laser transmitter, or

The first detection device is a laser transmitter, and the second detection device is a laser receiver.

7. The swing speed detecting system according to claim 1, wherein the control device is provided with a display screen.

8. The slew rate detection system of claim 4, where the fixed connection is a magnetic element.

9. An excavator comprising the swing speed detecting system as claimed in any one of claims 1 to 8.

10. The excavator of claim 9 wherein the swing member of the swing speed sensing system is a swing platform of the excavator, the fixed attachment of the swing speed sensing system being removably mounted to the chassis of the excavator.

Technical Field

The application relates to the technical field of rotating speed detection equipment, in particular to a rotating speed detection system and an excavator.

Background

The rotation speed of the excavator is an important performance parameter of the excavator, data is intelligently changed into the trend of new technology development along with the technological development, and the intelligent detection method for excavator operation is a direction which needs to be paid attention to in the future. At present, the rotation speed of the excavator is mostly detected by adopting a stopwatch to time and manually calculate the number of rotation turns so as to calculate the rotation speed of the hydraulic excavator, however, the method of counting the rotation turns by using the stopwatch and manually calculating the rotation speed of the excavator has many defects, such as: (1) the error is large when the stopwatch is used for timing; (2) secondary manual calculation is needed; (3) the results obtained by different personnel tests are also inconsistent, and the accuracy of the detection data is difficult to ensure.

Disclosure of Invention

The application aims to provide a rotation speed detection system and an excavator, and the technical problem that accuracy of rotation speed measurement results of the excavator is difficult to guarantee by adopting a method for counting by a stopwatch and manually calculating the rotation speed of the excavator in the prior art is solved to a certain extent.

The application provides a slew velocity detecting system, includes:

a first detecting device and a second detecting device disposed opposite to each other;

a revolving member, the first detecting means being provided to the revolving member so that the first detecting means can rotate with the revolving member relative to the second detecting means;

and the control device is connected with the first detection device or the second detection device.

In the above technical solution, further, the first detection device is disposed on the installation portion of the rotating member, when the rotating member is located at a predetermined position, the installation portion and the second detection device are disposed oppositely, and the rotating member drives the installation portion to periodically return to the predetermined position when rotating.

In any of the above technical solutions, further, the slewing speed detecting system further includes a support assembly;

the support assembly comprises a first connecting piece and a second connecting piece;

the first connecting member includes a first connecting portion and a second connecting portion crossing each other to form an L-shape, and the second detecting device is disposed at the first connecting portion.

In any of the above technical solutions, further, the rotation speed detection system further includes a fixed connection; the second link includes a third link and a fourth link crossing each other to form an L shape, the second link being rotatably connected with the third link, and the fourth link being connected with the fixed link.

In any of the above technical solutions, further, the first connecting piece and the second connecting piece are connected by an adjusting bolt and locked by a nut.

In any of the above technical solutions, further, the first detection device is a laser receiver, and the second detection device is a laser transmitter, or the first detection device is a laser transmitter, and the second detection device is a laser receiver.

In any of the above technical solutions, further, the control device is provided with a display screen.

In any of the above technical solutions, further, the fixed connecting member is a magnetic member.

The application also provides an excavator, which comprises the slewing speed detection system in any technical scheme, so that the slewing speed detection system has all beneficial technical effects, and is not repeated herein.

In the above technical solution, further, the revolving member of the revolving speed detecting system is a revolving platform of an excavator, and the fixed connecting member of the revolving speed detecting system is detachably disposed on a chassis of the excavator.

Compared with the prior art, the beneficial effect of this application is:

the application provides a rotation speed detection system, which comprises a first detection device, a second detection device, a rotation component and a control device; the first detection device and the second detection device are arranged oppositely, the first detection device is arranged on the rotary component, the first detection device can rotate relative to the second detection device along with the rotary component, one of the first detection device and the second detection device can receive a signal sent by the other detection device, and the control device is electrically connected with one of the first detection device and the second detection device, which is used for receiving the signal, through a wire harness.

Specifically, when the rotation speed detection system provided by the present application is used, for example, the first detection device is disposed on the rotation member and is configured to receive a signal sent by the second detection device, the rotation member is started, the first detection device rotates along with the rotation member, the first detection device receives the signal sent by the second detection device for the first time when the first detection device is at the initial position, the limit signal is transmitted to the control device and is recorded and stored by the control device, when the first detection device rotates along with the rotary member for one circle and returns to the initial position again, the first detection device receives the signal sent by the second detection device for the second time, and the signal is again transmitted to the control means, which calculates the time interval of the two signals, and finally calculating the time for the rotary member to rotate for one circle according to the calculation result, namely generating a rotation speed detection result.

Therefore, the slewing speed detection system is simple and intelligent to operate, interference factors generated in manual operation are avoided being multiple, and inevitable errors are large.

The excavator provided by the application comprises the slewing speed detection system, so that the slewing speed of the excavator can be detected through the slewing speed detection system, the operation is simple and intelligent, and the detection result is very accurate.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a rotation speed detection system according to an embodiment of the present disclosure;

fig. 2 is a schematic partial structural diagram of a rotation speed detection system according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of another part of a rotation speed detection system according to an embodiment of the present application.

Reference numerals: 1-a rotating member, 2-a first detection device, 3-a second detection device, 4-a control device, 5-a first connection piece, 501-a first connection piece, 502-a second connection piece, 6-a second connection piece, 601-a third connection piece, 602-a fourth connection piece, 7-a fixed connection piece, 8-an adjusting bolt, 9-a chassis.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.

The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Turning speed detection systems and excavators according to some embodiments of the present application are described below with reference to fig. 1-3.

Referring to fig. 1, an embodiment of the present application provides a slew rate detection system comprising; the first detection device 2 and the second detection device 3 are oppositely arranged;

a revolving member 1, wherein a first detection device 2 is arranged on the revolving member 1, and the first detection device 2 can rotate along with the revolving member 1 relative to a second detection device 3;

the control device 4 is electrically connected to the first detection device 2 or the second detection device 3.

The rotation speed detection system comprises a first detection device 2, a second detection device 3, a rotation member 1 and a control device 4; wherein, first detection device 2 and second detection device 3 set up relatively, and, first detection device 2 sets up in gyration component 1, and first detection device 2 can rotate relative second detection device 3 along with gyration component 1 together, and one of first detection device 2 and second detection device 3 can receive the signal that the other sent, and controlling means 4 is connected through the pencil with one of first detection device 2 and second detection device 3 (be the one that is used for receiving the signal).

Specifically, when the rotation speed detection system provided by the present application is used, taking the example that the first detection device 2 is disposed on the rotation member 1 and the first detection device 2 is used for receiving the signal sent by the second detection device 3 as an example, the rotation member 1 is started, the first detection device 2 rotates along with the rotation member 1, the first detection device 2 receives the signal sent by the second detection device 3 for the first time when in the initial position, and transmits the limit signal to the control device 4, the limit signal is recorded and stored by the control device 4, when the first detection device 2 returns to the initial position again after rotating once along with the rotation member 1, the first detection device 2 receives the signal sent by the second detection device 3 for the second time and the signal is transmitted to the control device 4 again, the control device 4 calculates the time interval of the two times of signals, and finally calculates the time taken by the rotation member 1 to rotate once according to the calculation result, i.e. to generate a slew rate detection result.

Therefore, the slewing speed detection system is simple and intelligent to operate, interference factors generated in manual operation are avoided being multiple, and inevitable errors are large.

It should be noted that the positions of the first detection device 2 and the second detection device 3 may be changed, and the second detection device 3 may be provided in the revolving member 1, thereby automatically detecting the revolving speed.

As for the detection of the revolution speed, the time taken for the revolution member 1 to rotate one turn may be calculated by the control device 4, and the time taken for the revolution member 1 to rotate a plurality of turns may be calculated by the control device 4 to calculate an average value.

In addition, controlling means 4 can be common controller among the prior art, like singlechip, PLC controller etc. certainly, all be unlimited to this, and timing, the calculation function that uses in this embodiment is comparatively simple, and common controller homoenergetic enough realizes.

In one embodiment of the present application, preferably, as shown in fig. 1, the first detecting device 2 is disposed on a mounting portion of the rotating member 1, the mounting portion is disposed opposite to the second detecting device 3 when the rotating member 1 is located at a predetermined position, and the rotating member 1 drives the mounting portion to periodically return to the predetermined position when rotating.

In this embodiment, when the revolving member 1 is at the predetermined position, the first detecting device 2 disposed at the mounting portion is located just above the second detecting device 3, and at this time, the first detecting device 2 can receive the signal sent by the second detecting device 3 for the first time, when the revolving member 1 rotates to deviate from the predetermined position, the first detecting device 2 cannot receive the signal sent by the second detecting device 3, and when the revolving member 1 rotates just one turn to return to the predetermined position, the first detecting device 2 receives the signal sent by the second detecting device 3 again.

In one embodiment of the present application, preferably, as shown in fig. 1 and 3, the swing speed detecting system further includes a support assembly;

the support assembly comprises a first connector 5 and a second connector 6;

the first connecting member 5 includes a first connecting portion 501 and a second connecting portion 502, the second connecting member 6 includes a third connecting portion 601 and a fourth connecting portion 602, the second detecting device 3 is disposed on the first connecting portion 501, and the second connecting portion 502 is rotatably connected to the third connecting portion 601.

In this embodiment, the first connecting member 5 and the second connecting member 6 are both L-shaped, the surface of the first connecting portion 501 faces the revolving member 1, so that the second detecting device 3 faces the first detecting device 2, and the second connecting portion 502 can rotate relative to the third connecting portion 601, so as to adjust the angle formed by the first connecting member 5 relative to the second connecting member 6, and to adjust the relative area between the second detecting device 3 and the first detecting device 2, so as to adapt to excavators of different tonnages and models.

In one embodiment of the present application, preferably, as shown in fig. 3, the swing speed detecting system further includes a fixed link 7, and the fourth connecting portion 602 is connected to the fixed link 7.

In this embodiment, the fixed connecting member 7 is used to fixedly mount the second connecting member 6 together with the first connecting member 5 and the second detecting device 3 disposed on the first connecting member 5, so as to prevent the second connecting member 6, the first connecting member 5 and the second detecting device 3 from moving during the detection process and affecting the detection precision.

In one embodiment of the present application, preferably, as shown in fig. 1 and 3, the first connecting member 5 and the second connecting member 6 are connected by an adjusting bolt 8 and locked by a nut.

In this embodiment, the angle between the first connecting member 5 and the second connecting member 6 can be adjusted by removing the nut, and the nut is tightened after the adjustment is completed.

In one embodiment of the present application, preferably, as shown in fig. 1, the first detection device 2 is a laser receiver and the second detection device 3 is a laser emitter, or the first detection device 2 is a laser emitter and the second detection device 3 is a laser receiver.

In this embodiment, the laser transmitter is used for transmitting a signal, the laser receiver is used for receiving a signal transmitted by the laser transmitter, the laser transmitter can be mounted on the first connecting portion 501 of the first connecting member 5, the laser receiver is mounted on the mounting portion of the revolving member 1, the laser receiver is made to rotate relative to the laser transmitter, the control device 4 is electrically connected with the laser receiver, the control device 4 synchronously rotates along with the laser receiver, the signal received by the laser receiver can be transmitted to the control device 4, of course, the same effect can be achieved by exchanging the positions of the laser transmitter and the laser receiver, and due to the characteristics of high brightness, strong directivity, strong coherence and the like of laser, the accuracy of a revolving speed detection result can be ensured.

It should be noted that, the connection mode between the control device 4 and the laser receiver may also be a wireless communication connection, which not only enables the control device 4 to normally record and calculate the data generated by the laser receiver, but also does not need to limit the installation position of the control device 4, so as to facilitate the staff to observe and operate the control device 4.

In one embodiment of the application, the control device is preferably provided with a display screen (not shown in the figures).

In this embodiment, the control device displays the detection result of the rotation speed on the display screen after calculating the time taken for the rotation member to make one rotation, and the operator can intuitively read out the detection result.

In one embodiment of the present application, the fixed connection 7 is preferably a magnetic element, as shown in fig. 1 and 3.

In this embodiment, the fixed link 7 may be a magnet, and the second link 6 and other components connected to the second link 6 are mounted at a specified position (the specified position can be attracted by the magnet). The fixed connecting piece 7 can also be a magnetic base, has stronger magnetism, can strengthen the installation stability of the second connecting piece 6, and can control the on-off of the magnetism (namely control the activation or the failure of the magnetic base) through a magnetic switch on the magnetic base, so that the second connecting piece 6 can be conveniently installed and detached.

An embodiment of the present application further provides an excavator, which includes the swing speed detection system according to any of the above embodiments, and therefore, all the beneficial technical effects of the swing speed detection system are achieved, and details are not repeated herein.

In one embodiment of the present application, preferably, as shown in fig. 1 to 3, the revolving member 1 of the revolving speed detecting system is a revolving platform of an excavator, and the fixed connection 7 of the revolving speed detecting system is detachably provided to a chassis 9 of the excavator.

In this embodiment, the revolving member 1 is a revolving platform of the excavator, the first detecting device 2 rotates along with the revolving platform, the fixed connecting member 7 arranges the second connecting member 6 and other components connected with the second connecting member 6 on the chassis 9 of the excavator, and when the revolving platform of the excavator rotates relative to the chassis 9, the first detecting device 2, the second detecting device 3 and the control device 4 can accurately detect the revolving speed of the revolving platform of the excavator.

It should be noted that the control device 4 is connected to the cab of the excavator through the extension of the wire harness, and the driver can visually observe the real-time revolving speed of the revolving platform of the excavator from the display screen.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.