CN216583978U - Rotary lifting device - Google Patents

Abstract

The utility model belongs to the technical field of ship equipment, and discloses a rotary lifting device. Rotatory elevating gear includes lift platform, guiding axle, rotation axis, lift axle, rotary driving device and lift drive, and wherein the lift platform is all worn to establish by guiding axle and lift axle, and rotation axis rotates to be connected in lift platform, is provided with the testboard on the rotation axis, and the lift axle is provided with the external screw thread, and lift platform is provided with the internal thread with external screw thread matched with, and rotary driving device can drive the rotation axis rotatory, and lift drive device can drive the rotation of lift axle. According to the rotary lifting device provided by the utility model, the test piece is placed on the test board, the lifting shaft is driven to rotate by controlling the lifting driving device so as to control the lifting platform to slide and lift on the guide shaft, so that the test board is lifted synchronously, and the rotating shaft is driven to rotate by controlling the rotary driving device so as to drive the test board to rotate synchronously, so that the lifting and rotating control of the test piece is completed, the labor cost is greatly reduced, and the working efficiency is effectively improved.

Description

Rotary lifting device

Technical Field

The utility model relates to the technical field of ship equipment, in particular to a rotary lifting device.

Background

At present, the ship industry is facing good development opportunities, and the rapid development of maritime trade also makes the market show a continuously increasing trend for the demand of ships, which puts higher requirements on the overall performance of ships. In the design and the construction process of boats and ships, in order to detect rigidity of boats and ships self, intensity, performance parameters such as hydrostatic pressure that can bear, it is indispensable to test model ship or hull internals, at present when carrying out test operation, the operation such as hoist and mount and rotation of model ship or hull internals in the pond is all accomplished through manual work, not only need very big human cost like this, strengthen relevant operating personnel's intensity of labour greatly, make work efficiency low, closely manual work simultaneously, operating personnel will be collided to hard test piece carelessly a little, thereby influence relevant operating personnel's security.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotary lifting device to solve the problems of high labor cost and low working efficiency in testing ship body parts.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a rotary lifting device comprising:

a lifting platform;

the guide shaft penetrates through the lifting platform;

the rotating shaft is rotationally connected with the lifting platform, and a test bench for placing a piece to be tested is arranged on the rotating shaft;

the lifting shaft penetrates through the lifting platform, is provided with an external thread, is provided with an internal thread matched with the external thread, and can rotate to drive the lifting platform to slide and lift on the guide shaft;

a rotation driving device capable of driving the rotation shaft to rotate;

and the lifting driving device can drive the lifting shaft to rotate.

Optionally, the rotation driving device includes a driving worm wheel and a driving worm, the driving worm wheel is sleeved on the rotation shaft, and the driving worm can drive the driving worm wheel to rotate so as to drive the rotation shaft to rotate.

Optionally, the rotation driving device includes a rotating motor, an output end of the rotating motor is connected to the rotating shaft, and the rotating motor can drive the rotating shaft to rotate.

Optionally, the lifting driving device includes a lifting motor, and the lifting motor can drive the lifting shaft to rotate.

Optionally, the lifting driving device further comprises a speed reducer, one end of the speed reducer is connected with the lifting motor, and the other end of the speed reducer is connected with the lifting shaft.

Optionally, the lifting driving device further comprises a coupler, one end of the coupler is connected with the speed reducer, and the other end of the coupler is connected with the lifting shaft.

Optionally, a supporting plate is arranged at the end of the guide shaft, and the lifting driving device is arranged on the supporting plate.

Optionally, a limiting mechanism is further arranged on the supporting plate, and the limiting mechanism is used for providing axial movement limitation for the lifting platform.

Optionally, the lifting platform further comprises a sleeve, the sleeve is connected with the lifting platform, the rotating shaft is sleeved with the sleeve, and the sleeve and the rotating shaft are coaxially arranged.

Optionally, the number of the guide shafts is plural.

Has the advantages that:

according to the rotary lifting device provided by the utility model, a test piece is placed on the test board during test work, and when the lifting operation is required, the lifting driving device is controlled to drive the lifting shaft to rotate so as to control the lifting platform to slide and lift on the guide shaft, so that the test board is synchronously lifted; when the test piece needs to be rotated for operation, the rotation driving device is controlled to drive the rotation shaft to rotate so as to drive the test board to rotate synchronously, so that the test piece is automatically lifted and controlled to rotate, the labor cost is greatly reduced, the automation degree of the detection process is effectively improved, the working efficiency is further improved, and meanwhile, the potential safety hazard of close-distance manual operation of related operators is also reduced.

Drawings

FIG. 1 is a schematic view of the construction of a rotary lift device of the present invention;

FIG. 2 is a schematic view of another aspect of the rotary lift device of the present invention;

fig. 3 is a partial enlarged view of the rotary lifting device of the present invention at a.

In the figure:

100. a lifting platform;

200. a guide shaft; 210. a supporting plate; 220. a limiting mechanism;

300. a rotating shaft; 310. a test bench; 320. a sleeve;

400. a lifting shaft;

500. a rotation driving device; 510. a rotating electric machine;

600. a lift drive; 610. a lifting motor; 620. a speed reducer; 630. a coupling is provided.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely 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 of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a rotary lifting device, rotary lifting device includes lift platform 100, guiding axle 200, rotation axis 300, lift axle 400, rotary driving device 500 and lift drive 600, wherein lifting platform 100 is worn to establish by guiding axle 200, rotation axis 300 rotates to be connected in lift platform 100, be provided with the testboard 310 that is used for placing the piece of waiting to test on the rotation axis 300, lift axle 400 wears to establish lift platform 100, lift axle 400 is provided with the external screw thread, be provided with the internal thread with external screw thread matched with on lift platform 100, lift axle 400 can rotate and go up and down in guiding axle 200 with drive lift platform 100 slip, rotary driving device 500 can drive rotation axis 300 is rotatory, lift drive 600 can drive lift axle 400 rotatory. In this embodiment, when a ship part or a model is tested, a test piece to be tested is placed on the test platform 310, and when the test piece is lifted, the lifting driving device 600 is controlled to drive the lifting shaft 400 to rotate so as to control the lifting platform 100 to slide and lift on the guide shaft 200, so that the test platform 310 is lifted and lowered synchronously; when carrying out the rotation operation to the test piece, through control rotation driving device 500 drive rotation axis 300 corotation or reversal to drive test bench 310 synchronous rotation, above-mentioned operation is automatic accomplishes lift and rotation control to the test piece, greatly reduced the human cost, effectively improve the degree of automation of testing process, carry out not promoting work efficiency, also can reduce the closely manual work's of relevant operating personnel potential safety hazard simultaneously.

In this embodiment, the rotating shaft 300 and the lifting shaft 400 are preferably rotatably connected to the lifting platform 100 through a bearing, the testing platform 310 is preferably, but not limited to, a flange, the internal threads of the lifting platform 100 and the external threads of the lifting shaft 400 are preferably, but not limited to, trapezoidal threads, and the transmission ratio of the threaded engagement between the lifting platform 100 and the lifting shaft 400 can be adaptively adjusted according to actual needs, which is not limited herein.

In this embodiment, the rotating shaft 300 is provided with a zero scale sensor, the zero scale sensor is in communication connection with the rotation driving device 500, when the rotating shaft 300 is completed and is in a non-rotation zero position, the zero scale sensor can measure an angle between the current rotating shaft 300 and the rotation zero position, and send a homing signal to the rotation driving device 500, and the rotation driving device 500 controls the rotating shaft 300 to rotate reversely by a corresponding angle after receiving the homing signal, so as to control the rotating shaft 300 to return to the rotation zero position. The specific process of the zero scale sensor controlling the rotation axis 300 to be parked is prior art and is not further developed here.

Further, the number of the guide shafts 200 is set to be plural, so that the elevating movement process of the elevating platform 100 can be more reliable, and the guiding function can be more accurate.

In this embodiment, the rotation driving device 500 includes a driving worm wheel and a driving worm, the driving worm wheel is sleeved on the rotation shaft 300, and the driving worm can drive the driving worm wheel to rotate so as to drive the rotation shaft 300 to rotate. Further, when the test piece needs to be manually controlled to rotate, the rocker arm connected with the driving worm is rotated to drive the worm wheel to rotate, so that the rotating shaft 300 and the test platform 310 are driven to rotate synchronously, the rotation of the test piece is further controlled, the rotating speed ratio of the driving worm wheel and the driving worm rod piece can be adjusted adaptively according to actual needs, and excessive limitation is not required.

In this embodiment, the rotation driving device 500 further includes a rotating motor 510, an output end of the rotating motor 510 is connected to the rotating shaft 300, and the rotating motor 510 can drive the rotating shaft 300 to rotate. Further, besides the rotation of the test piece which can be manually controlled, the rotation of the rotating shaft 300 can be conveniently and efficiently controlled by setting the rotating motor 510 to rotate forward or backward, so as to drive the test table 310 to rotate synchronously, thereby further improving the working efficiency.

Further, the lifting platform further comprises a sleeve 320, the sleeve 320 is connected with the lifting platform 100, the sleeve 320 is sleeved on the rotating shaft 300, and the sleeve 320 and the rotating shaft 300 are coaxially arranged. Specifically, the bearing rotatably coupled to the rotating shaft 300 is provided on a bearing housing fixedly coupled to the elevating platform 100, and the sleeve 320 is preferably fixedly coupled to the bearing housing. The rotating shaft 300 can be better protected by the sleeve 320, so that the rotating work of the rotating shaft 300 is more reliable.

In this embodiment, the end of the guide shaft 200 is provided with a supporting plate 210, and the lifting driving device 600 is disposed on the supporting plate 210. By providing the bracing plate 210, a sufficient installation position can be provided for the elevation driving apparatus 600, and the elevation driving apparatus 600 can be effectively supported. Further, a limiting mechanism 220 is further disposed on the supporting plate 210, and the limiting mechanism 220 is used for providing axial limiting for the lifting platform 100. Specifically, the limiting mechanism 220 is protruded from the lower end surface of the supporting plate 210, and after the lifting platform 100 is lifted to the extreme position, the lifting platform 100 abuts against the limiting mechanism, so as to effectively limit the lifting position of the lifting platform 100. Preferably, the abutting end of the limiting mechanism 220 is provided with a rubber pad, so that effective buffering can be provided for the lifting platform 100. Further, in order to make the whole rotary lifting device more stably placed on the ground, the bottom end of the guide shaft 200 is provided with a base, the setting of the base increases the contact area between the rotary lifting device and the ground, so that the installation of the device is more reliable, further, the base is also provided with a limiting mechanism 220, when the lifting platform 100 descends to the limit position, the lifting platform 100 can abut against the limiting mechanism 220, so that the descending position of the lifting platform 100 can be effectively limited.

Further, the lifting driving device 600 includes a lifting motor 610, and the lifting motor 610 can drive the lifting shaft 400 to rotate, so as to control the lifting platform 100 to slide and lift on the guide shaft 200, so that the testing platform 310 can be lifted and lowered synchronously. Specifically, the lifting motor 610 includes a control device, and the control device includes a motor encoder, a programming controller and a motor driver, where the motor encoder is in communication connection with the programming controller, and the programming controller is in communication connection with the motor driver, and can edit and generate a control code in the motor encoder, and then send the control code to the programming controller, and the programming controller drives the motor driver to control the operation of the lifting motor 610 under the corresponding control code after receiving the control code, so as to perform corresponding driving control on the rotation speed and the rotation direction of the lifting motor 610. In the embodiment, the specific control principle and control process are the prior art, and are not further developed here.

Further, the lifting driving device 600 further comprises a speed reducer 620, one end of the speed reducer 620 is connected with the lifting motor 610, and the other end of the speed reducer 620 is connected with the lifting shaft 400. In this embodiment, when the rotation speed outputted by the output shaft of the lifting motor 610 is not matched with the rotation speed required for driving the lifting shaft 400 to rotate, the speed reducer 610 is required to be arranged to realize the connection between the lifting motor 610 and the lifting shaft 400, and the speed reducer 620 is connected between the lifting motor 610 and the lifting shaft 400, so that a suitable transmission ratio can be provided during operation, and the lifting shaft 400 can be driven to rotate at the actually required rotation speed. Specifically, the speed reducer 620 is preferably a planetary gear speed reducer, which has the advantages of small volume, light weight, high bearing capacity, long service life, smooth and stable operation, low noise, large output torque, large speed ratio, high efficiency, safe performance and the like, and also has the unique characteristics of power splitting and multi-tooth meshing. The present embodiment is not limited thereto, and the speed reducer 620 may be another speed reducing mechanism, which is not limited herein.

Further, the lifting driving device 600 further includes a coupler 630, one end of the coupler 630 is connected to the speed reducer 620, and the other end of the coupler 630 is connected to the lifting shaft 400. The coupler 630 is used as a reliable and efficient torque transmission device, has the characteristics of high sensitivity, high transmission efficiency, long service life, good damping performance, good corrosion resistance and the like, is widely applied to connection of shafts, in the embodiment, the coupler 630 is used for connecting the lifting shaft 400 and the speed reducer 620, the motion and the torque output by the speed reducer 620 can be efficiently transmitted to the lifting shaft 400, and the connection process can be ensured to be more reliable and stable while the good transmission efficiency is ensured. In this embodiment, the coupling 630 and the speed reducer 620, and the coupling 630 and the lifting shaft 400 may be connected by a set screw or a key slot, which is not further limited herein.

Further, the rotating electrical machine 510 and the rotating shaft 300 are preferably connected by a coupling 630, so as to ensure the reliability of the connection between the rotating electrical machine 510 and the rotating shaft 300 and the effective transmission of torque.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations, and substitutions will occur to those skilled in the art without departing from the scope of the present invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A rotary lifting device, comprising:

a lifting platform (100);

the guide shaft (200) penetrates through the lifting platform (100);

the rotating shaft (300), the rotating shaft (300) is rotatably connected to the lifting platform (100), and a test bench (310) for placing a piece to be tested is arranged on the rotating shaft (300);

the lifting shaft (400) penetrates through the lifting platform (100), an external thread is arranged on the lifting shaft (400), an internal thread matched with the external thread is arranged on the lifting platform (100), and the lifting shaft (400) can rotate to drive the lifting platform (100) to slide and lift on the guide shaft (200);

a rotation driving device (500) capable of driving the rotation shaft (300) to rotate;

and a lifting drive device (600) capable of driving the lifting shaft (400) to rotate.

2. A rotary lifting device according to claim 1, wherein the rotary driving device (500) comprises a driving worm wheel and a driving worm, the driving worm wheel is sleeved on the rotary shaft (300), and the driving worm can drive the driving worm wheel to rotate so as to drive the rotary shaft (300) to rotate.

3. A rotary lifting device according to claim 1, characterized in that the rotary driving device (500) comprises a rotary motor (510), the output end of the rotary motor (510) is connected to the rotary shaft (300), and the rotary motor (510) can drive the rotary shaft (300) to rotate.

4. A rotary lifting device according to claim 1, characterized in that the lifting drive (600) comprises a lifting motor (610), the lifting motor (610) being capable of driving the lifting shaft (400) in rotation.

5. A rotary lifting device according to claim 4, characterized in that the lifting drive (600) further comprises a speed reducer (620), one end of the speed reducer (620) is connected to the lifting motor (610), and the other end of the speed reducer (620) is connected to the lifting shaft (400).

6. A rotary lifting device according to claim 5, characterized in that the lifting driving device (600) further comprises a coupling (630), one end of the coupling (630) is connected to the speed reducer (620), and the other end of the coupling (630) is connected to the lifting shaft (400).

7. A rotary lifting device according to claim 1, characterized in that the guide shaft (200) is provided with a stay plate (210) at its end, and the lifting drive means (600) is provided on the stay plate (210).

8. A rotary lifting device according to claim 7, characterized in that the supporting plate (210) is further provided with a limiting mechanism (220), and the limiting mechanism (220) is used for providing axial movement limitation for the lifting platform (100).

9. A rotary lifting device according to claim 1, further comprising a sleeve (320), wherein the sleeve (320) is connected to the lifting platform (100), the sleeve (320) is sleeved on the rotating shaft (300), and the sleeve (320) is coaxially disposed with the rotating shaft (300).

10. A rotary lifting device according to claim 1, characterised in that the number of guide shafts (200) is plural.

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