CN218822306U

CN218822306U - Angle measuring device, transport vehicle container lifting device and transport vehicle

Info

Publication number: CN218822306U
Application number: CN202223239451.XU
Authority: CN
Inventors: 张玉刚; 薛晨龙; 常振业; 杨滔; 邓翔
Original assignee: Aerospace Heavy Industry Equipment Co ltd
Current assignee: Aerospace Heavy Industry Equipment Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-04-07
Anticipated expiration: 2032-12-02

Abstract

The utility model provides an angle measuring device, transport vechicle packing box lifting devices and transport vechicle, angle measuring device for measure the angle of lifting of transport vechicle packing box, include: the angle sensor comprises a base and a sensor rotating shaft, and the sensor rotating shaft is rotatably connected with the base; the base is used for being fixedly connected with a container rotating shaft of the transport vehicle; the telescopic seat is fixedly connected with a frame of the transport vehicle; the one end of connecting rod with sensor pivot fixed connection, the other end of connecting rod with flexible seat is connected, and is used for relatively flexible seat extension or shorten. The transport vehicle container lifting device and the transport vehicle comprise the angle measuring device. The utility model provides an angle measuring device, transport vechicle packing box lifting devices and transport vechicle, its angle measuring device measurement accuracy is high and long service life.

Description

Angle measuring device, transport vehicle container lifting device and transport vehicle

Technical Field

The utility model relates to a transport vechicle technical field particularly, relates to an angle measuring device, transport vechicle packing box lifting devices and transport vechicle.

Background

The career such as metallurgy, mine, traffic construction, building plays an important role in economic construction, and heavy engineering transport vehicle is one of indispensable wherein, and because of this, heavy engineering transport vehicle realizes unmanned ization has become the big trend of current development, and packing box lift angle measuring device wherein is the important device that is used for realizing the intelligent control of packing box lift system, can improve the efficiency of transportation production greatly through the intelligent control to packing box lift system.

At present, the existing cargo box lifting angle measuring device has the problems of low measuring precision, easy damage and the like, and the development of realizing unmanned driving of heavy engineering transport vehicles is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem how to provide a measurement accuracy height and durable angle measuring device.

In order to solve the above problem, the first aspect of the present invention provides an angle measuring device for measuring the lifting angle of the cargo box of the transportation vehicle, including:

the angle sensor comprises a base and a sensor rotating shaft, and the sensor rotating shaft is rotatably connected with the base; the base is used for being fixedly connected with a container rotating shaft of the transport vehicle;

the telescopic seat is used for being fixedly connected with a frame of the transport vehicle;

the sensor comprises a connecting rod, one end of the connecting rod is fixedly connected with the sensor rotating shaft, and the other end of the connecting rod is connected with the telescopic seat and used for extending or shortening the telescopic seat relatively.

Furthermore, the telescopic seat comprises a base and a support fixedly connected with the base, and the connecting rod is connected with the support in a sliding manner.

Furthermore, the bracket comprises a first baffle, a second baffle and a limiting stop lever, the first baffle and the second baffle are arranged in parallel and at intervals, and the limiting stop lever is arranged between the first baffle and the second baffle; the connecting rod is provided with a sliding groove along the length direction, and the limiting stop lever penetrates through the sliding groove.

Furthermore, a connecting hole is formed in one end, connected with the sensor rotating shaft, of the connecting rod, the connecting rod is sleeved on the sensor rotating shaft through the connecting hole, and the connecting rod and the sensor rotating shaft are fixed through a connecting pin.

Furthermore, be equipped with the open slot on the connecting rod, the open slot is followed the length direction of connecting rod sets up, by the connecting rod is kept away from the one end of flexible seat extends to the connecting hole, still be equipped with the connecting piece on the connecting rod, the connecting piece is used for the both sides of open slot will the connecting rod with the sensor pivot fastening.

Furthermore, the angle measuring device also comprises a connecting plate which is detachably connected with the base of the angle sensor and is fixedly connected with a container rotating shaft of the transport vehicle

Furthermore, a connecting column is arranged on one side of the connecting plate, which is far away from the base, and the central axis of the connecting column is superposed with the central axis of the sensor rotating shaft; a container rotating shaft of the transport vehicle is provided with a connecting groove which is inwards concave along the axial direction of the container rotating shaft, and the central axis of the connecting groove is superposed with the central axis of the container rotating shaft; the spliced pole be used for with spread groove fixed connection.

In a second aspect, the utility model provides a transport vechicle packing box lifting devices, including foretell angle measuring device.

Furthermore, transport vechicle packing box lifting devices still includes packing box pivot, hydraulic system and the controller of transport vechicle, the controller respectively with hydraulic system with angle measurement device's angle sensor electricity is connected, hydraulic system is used for the drive the rotation of packing box pivot.

Third aspect, the utility model provides a transport vehicle, including foretell transport vehicle cargo tank lifting devices.

The utility model provides an angle measuring device, its angle sensor's base and the packing box pivot fixed connection of transport vechicle, the connecting rod is passed through in the angle sensor pivot and flexible seat and frame fixed connection, consequently, when the transport vechicle packing box lifts or compels to fall the action, the rotation takes place in the packing box pivot of transport vechicle, angle sensor's base then rotates along with it in step, and the angle sensor pivot is rigid, consequently, can measure the rotation angle of the packing box pivot of transport vechicle. And because the base of the angle sensor and the container rotating shaft of the transport vehicle synchronously rotate, the angle measurement precision is higher. Simultaneously, the connecting rod can stretch out and draw back or shorten relatively to the flexible seat, when the phenomenon such as shake, impact appear at the lift in-process when the transport vechicle packing box, the scalable design of connecting rod can effectively reduce the harm that the impact force caused angle measurement device, plays protection angle sensor's effect.

Drawings

Fig. 1 is a schematic structural diagram of an angle measuring device according to an embodiment of the present invention;

fig. 2 is a schematic side view of an angle measuring device according to an embodiment of the present invention;

fig. 3 is a schematic front view of an angle measuring device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an angle sensor according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a bracket according to an embodiment of the present invention;

fig. 6 is a partially enlarged view of a portion a of fig. 3.

Description of reference numerals:

1. a telescopic base; 2. a connecting rod; 3. an angle sensor; 4. a connecting plate; 5. a frame; 6. a container rotating shaft; 11. a base; 12. a support; 121. a first baffle plate; 122. a second baffle; 123. a limit stop lever; 124. a base plate; 21. a chute; 22. a connecting pin; 23. a connecting member; 24. an open slot; 25. locking the pin; 31. a sensor shaft; 32. a base; 41. connecting columns.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

As shown in fig. 1 to 6, the utility model discloses an angle measuring device for measure the lifting angle of transport vechicle packing box, include: the angle sensor 3, as shown in fig. 4, the angle sensor 3 includes a base 32 and a sensor rotating shaft 31, and the sensor rotating shaft 31 is rotatably connected with the base 32; the base 32 is used for being fixedly connected with a container rotating shaft 6 of the transport vehicle;

the telescopic seat 1 is used for being fixedly connected with a frame 5 of the transport vehicle;

connecting rod 2, connecting rod 2's one end with sensor pivot 31 fixed connection, connecting rod 2's the other end with flexible seat 1 is connected, and is used for relatively flexible seat 1 extends or shortens.

The telescopic seat 1 comprises a base 11 and a bracket 12 fixedly connected with the base 11, and the connecting rod 2 is connected with the bracket 12 in a sliding manner. The support 12 and the base 11 can be fixedly connected through bolts, and the bolts are connected to facilitate the assembly and disassembly of parts. Connecting rod 2 and support 12 sliding connection, the impact force that can effectively reduce the transport vechicle packing box plays the effect of buffering impact force to angle measuring device, protects angle sensor 3, prolongs angle sensor 3's life.

The connecting rod 2 can be made of aluminum materials so as to reduce the weight of the connecting rod 2, thereby reducing the tensile force applied to the rotating shaft 31 of the sensor and reducing the cost.

As shown in fig. 2 and 5, in this embodiment, specifically, the bracket 12 includes a first baffle plate 121, a second baffle plate 122, and a limit stop rod 123, the first baffle plate 121 and the second baffle plate 122 are parallel and spaced, the limit stop rod 123 is disposed between the first baffle plate 121 and the second baffle plate 122, and two ends of the limit stop rod are respectively fixedly connected to the first baffle plate 121 and the second baffle plate 122. The connecting rod 2 is provided with a sliding groove 21 along the length direction, and the limit stop lever 123 penetrates through the sliding groove 21. The bracket 12 further includes a bottom plate 124, the first baffle 121 and the second baffle 122 are fixed on the bottom plate 124, the installation position of the limit stop rod 123 can be determined according to actual needs, the limit stop rod 123 can be a bolt or a pin shaft, when being installed, one end of the connecting rod 2 is inserted between the first baffle 121 and the second baffle 122 from the end of the bracket 12 far away from the bottom plate 124, then the limit stop rod 123 is installed between the first baffle 121 and the second baffle 122 and inserted into the sliding groove 21, and the connecting rod 2 can move in a telescopic manner along the length direction of the first baffle 121 and the second baffle 122. A sliding space of the connecting rod 2 is formed between the first baffle 121 and the second baffle 122, and the limit stop rod 123 can limit the stroke of the connecting rod 2 to prevent the connecting rod 2 from slipping.

One end of the connecting rod 2 connected with the sensor rotating shaft 31 is provided with a connecting hole (not shown), the connecting rod 2 is sleeved on the sensor rotating shaft 31 through the connecting hole, and the connecting rod 2 and the sensor rotating shaft 31 are fixed through a connecting pin 22. The connecting pin 22 is inserted into the side wall of the connecting rod 2, and the connecting pin 22 is locked by the pin lock 25 to prevent the connecting pin 22 from being disengaged. The connection mode is very simple and convenient, and is easy to disassemble, assemble and maintain.

As shown in fig. 1, fig. 2, fig. 3 and fig. 6, an opening groove 24 is formed in the connecting rod 2, the opening groove 24 is formed along the length direction of the connecting rod 2, the connecting rod 2 is far away from one end of the telescopic base 1 extends to the connecting hole, a connecting piece 23 is further arranged on the connecting rod 2, and the connecting piece 23 is used for fastening the connecting rod 2 and the sensor rotating shaft 31 on two sides of the opening groove 24. The connecting piece 23 can be a bolt, the connecting rod 2 and the sensor rotating shaft 31 can be effectively locked by further locking the connecting piece 23 on the basis that the connecting pin 22 is connected with the connecting rod 2 and the sensor rotating shaft 31 by screwing the two sides of the open slot 24 through the bolt, and the connecting rod 2 and the sensor rotating shaft 31 are prevented from deflecting relative to the sensor rotating shaft 31, so that the measuring precision of the angle measuring device is improved.

As shown in fig. 1 and 2, the angle measuring device further includes a connecting plate 4, and the connecting plate 4 is detachably connected to the base 32 of the angle sensor 3 and is used for being fixedly connected to the container spindle 6 of the transport vehicle. Angle sensor 3 with set up connecting plate 4 between the packing box pivot 6 of transport vechicle, reducible transport vechicle packing box is to angle sensor 3's wearing and tearing, and simultaneously, angle sensor 3 is connected for dismantling with connecting plate 4, makes things convenient for angle sensor 3's dismouting.

As shown in fig. 2, a connection column 41 is arranged on one side of the connection plate 4 away from the base 32, and a central axis of the connection column 41 coincides with a central axis of the sensor rotation shaft 31; the container rotating shaft 6 of the transport vehicle is provided with a connecting groove (not shown) which is concave along the axial direction of the transport vehicle, and the central axis of the connecting groove is coincident with the central axis of the container rotating shaft 6; the connecting column 41 is used for being fixedly connected with the connecting groove.

Specifically, in the embodiment, the connecting column 41 of the connecting plate 4 and the connecting groove of the container spindle 6 are welded and fixed, and this design can ensure that the central axis of the container spindle 6 of the transport vehicle and the central axis of the sensor spindle 31 are consistent, which is beneficial to improving the installation accuracy of the angle sensor 3.

The angle measuring device of the embodiment has the advantages of simple structure, strong universality, high measuring precision and long service life, and can carry out closed-loop control on the lifting device of the unmanned heavy engineering transport vehicle.

Another embodiment of the utility model provides a transport vechicle packing box lifting devices, including foretell angle measuring device, still include packing box pivot 6, hydraulic system and the controller of transport vechicle, the controller respectively with hydraulic system with angle measuring device's 3 electricity of angle sensor are connected. The hydraulic system is used for driving the container rotating shaft 6 to rotate and comprises a hydraulic cylinder and a hydraulic valve. The controller is used for receiving angle measurement data sent by the angle sensor 3 and controlling the hydraulic cylinder through the hydraulic valve according to the angle measurement data.

Another embodiment of the utility model provides a transport vechicle, including foretell transport vechicle freight container lifting devices. In particular, in this embodiment, the vehicle is an unmanned heavy material vehicle.

Specifically, the angle measuring device of the present embodiment operates as follows: when a controller of the unmanned heavy material transport vehicle receives a lifting angle signal sent by an angle measuring device, the controller outputs a lifting signal of a corresponding hydraulic valve, the hydraulic valve and the hydraulic cylinder act, a container starts to lift, the container rotates coaxially with the container and the container rotating shaft 6 as a circle center, the container rotating shaft 6 and the connecting plate 4 rotate coaxially, and then the base 32 of the angle sensor 3 is driven to rotate, because one end of the connecting rod 2 is connected with the rotating shaft of the angle sensor 3, the other end of the connecting rod is connected with the support 12 in a sliding mode, the connecting rod 2 does not rotate along with the base 32 of the sensor under the action of the first baffle 121, the second baffle 122 and the limit baffle 123, so that the sensor rotating shaft 31 and the base 32 move relatively, and the accurate measurement of the lifting angle of the container is finally realized.

The angle measuring device can feed back the rotation angle value of the container rotating shaft 6 of the transport vehicle to the controller in real time, when the angle measuring data received by the controller show that the container of the transport vehicle is lifted to be close to a target angle, the lifting speed of the oil cylinder is controlled to be reduced, the oil cylinder is gradually close to the target angle, and when and only when the actually measured angle value is within the range set by the target angle, the lifting oil cylinder is controlled to stop acting, the container of the transport vehicle reaches the target angle, and the lifting is finished. The principle of floating and forced landing of the cargo box of the transport vehicle is similar to that of the transport vehicle.

The angle measuring device of the embodiment can monitor the actual state of the container according to the measured angle value, clearly determines the specific position of the container in the movement range of the container, realizes accurate control on the lifting device by setting the target angle range in the automatic control state, provides a container lifting angle input signal for the automatic control of the unmanned heavy material transport vehicle, and realizes the closed-loop control on the lifting device.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims

1. An angle measuring device for measuring the lifting angle of a cargo box of a transport vehicle, comprising:

the angle sensor (3), the angle sensor (3) comprises a base (32) and a sensor rotating shaft (31), and the sensor rotating shaft (31) is rotatably connected with the base (32); the base (32) is used for being fixedly connected with a container rotating shaft (6) of the transport vehicle;

the telescopic seat (1) is used for being fixedly connected with a frame (5) of the transport vehicle;

connecting rod (2), the one end of connecting rod (2) with sensor pivot (31) fixed connection, the other end of connecting rod (2) with flexible seat (1) is connected, and is used for relatively flexible seat (1) extension or shorten.

2. Angle measuring device according to claim 1, characterized in that the telescopic base (1) comprises a base (11) and a bracket (12) fixedly connected with the base (11), the connecting rod (2) being slidably connected with the bracket (12).

3. The angle measuring device of claim 2, characterized in that the bracket (12) comprises a first baffle plate (121), a second baffle plate (122) and a limit stop rod (123), the first baffle plate (121) and the second baffle plate (122) are arranged in parallel and at a distance, and the limit stop rod (123) is arranged between the first baffle plate (121) and the second baffle plate (122); the connecting rod (2) is provided with a sliding groove (21) along the length direction, and the limiting stop lever (123) penetrates through the sliding groove (21).

4. The angle measuring device according to claim 1, wherein a connecting hole is formed in one end of the connecting rod (2) connected with the sensor rotating shaft (31), the connecting rod (2) is sleeved on the sensor rotating shaft (31) through the connecting hole, and the connecting rod (2) and the sensor rotating shaft (31) are fixed through a connecting pin (22).

5. The angle measuring device according to claim 4, characterized in that an open slot (24) is formed in the connecting rod (2), the open slot (24) is formed along the length direction of the connecting rod (2), one end of the connecting rod (2) far away from the telescopic base (1) extends to the connecting hole, a connecting piece (23) is further arranged on the connecting rod (2), and the connecting piece (23) is used for fastening the connecting rod (2) and the sensor rotating shaft (31) at two sides of the open slot (24).

6. Angle measuring device according to claim 1, characterized in that it further comprises an attachment plate (4), said attachment plate (4) being detachably connected to the base (32) of the angle sensor (3) and intended for fixed connection to the container spindle (6) of the transport carriage.

7. The angle measuring device according to claim 6, characterized in that a connecting column (41) is arranged on one side of the connecting plate (4) far away from the base (32), and the central axis of the connecting column (41) is coincident with the central axis of the sensor rotating shaft (31); a container rotating shaft (6) of the transport vehicle is provided with a connecting groove which is inwards concave along the axial direction of the container rotating shaft, and the central axis of the connecting groove is superposed with the central axis of the container rotating shaft (6); the connecting column (41) is fixedly connected with the connecting groove.

8. A truck cargo box lifting apparatus comprising the angle measuring apparatus of any one of claims 1 to 7.

9. The truck cargo box lifting device according to claim 8, further comprising a cargo box spindle (6) of the truck, a hydraulic system and a controller, wherein the controller is electrically connected with the hydraulic system and the angle sensor (3) of the angle measuring device respectively, and the hydraulic system is used for driving the cargo box spindle (6) to rotate.

10. A transport vehicle comprising a transport vehicle container lifting apparatus as claimed in claim 9.