CN210366795U

CN210366795U - Guide wheel type intelligent electric jack

Info

Publication number: CN210366795U
Application number: CN201921398332.4U
Authority: CN
Inventors: 黄康军; 杨经勇; 黄健斌; 李彬; 粟志伟
Original assignee: Zhongshan Rotontek Machinery Co ltd
Current assignee: Zhongshan Rotontek Machinery Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-04-21
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a guide wheel type intelligent electric jack, which comprises a worm gear box, wherein a motor is fixedly arranged in the worm gear box, an output shaft of the motor is a worm and is meshed with a worm wheel in the worm gear box, a worm wheel shaft of the worm wheel is vertical, the bottom end of the worm wheel shaft is fixedly connected with the top end of a lead screw, the lead screw is in threaded fit with a nut, the nut is fixedly connected with the top end of an inner tube, the bottom end of the inner tube is connected with a supporting shaft on a guide wheel frame, the bottom end of the guide wheel frame is provided with a guide wheel, the lead screw extends into the inner tube, the inner tube penetrates into the outer; the outer pipe is provided with a pipe clamp; a magnetic ring is installed on a rotor of the motor, a Hall sensor is further installed on the motor, a PCB circuit board is further fixedly arranged in the worm gear case, a control panel is arranged on the outer wall of the worm gear case, and the control panel, the motor and the Hall sensor are respectively and electrically connected with the PCB circuit board. The utility model discloses guide pulley formula intelligence electric jack simple structure, convenient to use.

Description

Guide wheel type intelligent electric jack

Technical Field

The utility model relates to a lifting means technical field especially relates to a guide pulley formula intelligence electric jack.

Background

The jack is light and small lifting equipment which takes a rigid jacking piece as a working device and jacks a heavy object through a top bracket or a bottom supporting claw within a small stroke. The jack is mainly used for the departments of factories, mines, transportation and the like as vehicle repair, other lifting, supporting and the like. The motorcycle types such as general yacht, car as a house and camper all can adopt and take guide pulley hand jack to support and trailer, and present current jack is simple and easy to operate, but needs the user to rock the jack to the fixed position of jack and rise or subordinate, uses when the user is tired or when raining and has had inconveniently more.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a guide wheel type intelligent electric jack convenient to use.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a guide wheel type intelligent electric jack, which comprises a worm gear box, wherein a motor is fixedly arranged in the worm gear box, an output shaft of the motor is a worm and is meshed with a worm wheel in the worm gear box, a worm wheel shaft of the worm wheel is vertical, the bottom end of the worm wheel shaft is fixedly connected with the top end of a lead screw, the lead screw is in threaded fit with a nut, the nut is fixedly connected with the top end of an inner pipe, the bottom end of the inner pipe is connected with a supporting shaft on a guide wheel frame, the bottom end of the guide wheel frame is provided with a guide wheel, the lead screw extends into the inner pipe, the inner pipe is arranged in an outer pipe in a penetrating way, and the top end of the outer pipe is fixedly; the pipe clamp is arranged on the outer pipe and used for clamping a mounting ring on the outer wall of the outer pipe, and the pipe clamp is fixedly connected with equipment to be jacked; the magnetic ring is installed on a rotor of the motor, the Hall sensor is further installed on the motor and can sense the magnetic field change of the magnetic ring, a PCB circuit board is further fixedly arranged in the worm gear box, a control panel is arranged on the outer wall of the worm gear box, a control button is arranged on the control panel, and the control panel, the motor and the Hall sensor are respectively and electrically connected with the PCB circuit board.

Preferably, the worm wheel shaft, the lead screw, the nut, the inner tube and the outer tube are coaxial.

Preferably, the worm wheel shaft is fixedly connected with the screw rod through a coupler.

Preferably, the support shaft penetrates through the inner tube, a steel ball groove is formed between the inner wall of the inner tube and the outer wall of the support shaft, and a plurality of steel balls are arranged in the steel ball groove.

Preferably, the mounting ring is circular ring-shaped, and the pipe clamp can be mounted on the outer pipe at any angle in the horizontal direction.

Preferably, the screw rod is a trapezoidal screw rod.

Preferably, the pipe clamp is an annular concave-coated pipe clamp.

The utility model discloses guide pulley formula intelligence electric jack has gained following technological effect for prior art:

the utility model discloses guide pulley formula intelligence electric jack simple structure, convenient to use. The pipe clamp in the guide wheel type intelligent electric jack can be installed on the outer pipe at any angle in the horizontal direction, and the guide wheel frame and the inner pipe can also rotate for 360 degrees, so that the guide wheel type intelligent electric jack is convenient to use and can be suitable for various occasions; the PCB circuit board can be according to the operating condition of hall signal automatic identification motor that hall sensor fed back, and when the hall signal transform that hall sensor sent was crossed lowly, will stop more than 50ms, the PCB circuit board then can judge that the motor does not change, and the PCB circuit board can control the motor and reverse when the jack moves the summit or motionless, plays the effect of protection jack.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a guide wheel type intelligent electric jack of the present invention;

fig. 2 is a schematic structural view of the guide wheel type intelligent electric jack of the present invention;

fig. 3 is a schematic view of a part of the structure of the guide wheel type intelligent electric jack of the present invention;

fig. 4 is a schematic view of a part of the structure of the guide wheel type intelligent electric jack of the present invention;

fig. 5 is a schematic circuit diagram of a middle-PCB circuit board of the guide wheel type intelligent electric jack of the present invention;

wherein: the method comprises the following steps of 1-a motor, 2-a worm gear box, 3-helical teeth, 4-a worm gear, 5-a turbine shaft, 6-a screw rod, 7-a nut, 8-an inner pipe, 9-an outer pipe, 10-a steel ball, 11-a guide wheel frame, 12-a guide wheel, 13-a coupler, 14-a pipe clamp, 15-a Hall sensor, 16-a PCB circuit board and 17-a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1: the 12-type intelligent electric jack with the guide wheel comprises a worm gear box 2, a motor 1 is fixedly arranged in the worm gear box 2, spiral teeth 3 are arranged at the output end of an output shaft of the motor 1, namely the output shaft is a worm, the output shaft is meshed with a worm wheel 4 in the worm gear box 2, and the motor 1 can rotate by driving the worm 3 to drive the worm wheel 4 to rotate.

The worm wheel shaft 5 of the worm wheel 4 is vertical, the bottom end of the worm wheel shaft 5 is fixedly connected with the top end of the screw rod 6 through the coupler 13, the screw rod 6 is in threaded fit with the nut 7, the screw rod 6 is a trapezoidal screw rod, the screw rod 6 and the nut 7 can be self-locked, the nut 7 is fixedly connected with the top end of the inner tube 8, the bottom end of the inner tube 8 is connected with a support shaft on the guide wheel frame 11, the bottom end of the guide wheel frame 11 is provided with a guide wheel 12, the screw rod 6 extends into the inner tube 8, the inner tube 8 is arranged in the outer tube 9 in a penetrating mode; the worm wheel shaft 5, the screw rod 6, the nut 7, the inner pipe 8 and the outer pipe 9 are coaxial. The back shaft on the guide wheel frame 11 is arranged in the inner tube 8 in a penetrating mode, a steel ball groove is formed between the inner wall of the inner tube 8 and the outer wall of the back shaft, a plurality of steel balls 10 are arranged in the steel ball groove, namely, 360-degree relative rotation can be achieved between the guide wheel frame 11 and the inner tube 8, namely, the direction of the guide wheel 12 can be adjusted by 360 degrees, and the use is convenient.

Install pipe clamp 14 on the outer tube 9, the clamp ring on the outer wall of outer tube 9 is pressed from both sides to pipe clamp 14, pipe clamp 14 be used for with treat that jacking equipment links firmly, the collar is ring shape, pipe clamp 14 is the annular concave package pipe clamp, pipe clamp 14 can be installed on outer tube 9 with arbitrary angle on the horizontal direction, has made things convenient for promptly to link firmly pipe clamp 14 with treating jacking equipment under the service behavior of difference, has solved the diversified problem of installation orientation of in-service use jack.

It is worth noting that, in the guide wheel 12 type intelligent electric jack of the embodiment, the rotor of the motor 1 is provided with the magnetic ring, the motor 1 is further provided with the hall sensor 15, the hall sensor 15 can sense the magnetic field change of the magnetic ring, the worm gear case 2 is further fixedly provided with the PCB 16, the outer wall of the worm gear case 2 is provided with the control panel 17, the control panel 17 is provided with the control button, the control button comprises an opening and closing button, an ascending button and a descending button, and the control panel 17, the motor 1 and the hall sensor 15 are respectively electrically connected with the PCB 16.

When the guide wheel 12 type intelligent electric jack works, the magnetic ring rotates along with the rotation of the rotor in the motor 1, the Hall sensor 15 is influenced by the magnetic field change of the magnetic ring to send out a continuously changing sensing signal, when the jack rises or falls to the top point position, the rotating speed of the motor 1 is slow, and the Hall signal does not change for more than 50ms, the PCB 16 automatically judges that the motor 1 does not rotate, so that the power supply is stopped; if the motor 1 is locked, namely the rotor of the motor 1 is not moved, the PCB 16 stops outputting voltage, the operator continues to press the button on the control panel 17 to enable the motor 1 to continue to rotate in the previous direction and also fails, and at the moment, the motor 1 can only rotate under the condition that the operator continues to press the button on the control panel 17 to enable the motor 1 to rotate reversely under the control of the PCB 16, so that the motor 1 is protected.

In the description of the present invention, it should be noted that the terms "top", "bottom", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The utility model provides a guide pulley formula intelligence electric jack which characterized in that: the worm gear box is internally and fixedly provided with a motor, an output shaft of the motor is a worm and is meshed with a worm wheel in the worm gear box, a worm wheel shaft of the worm wheel is vertical, the bottom end of the worm wheel shaft is fixedly connected with the top end of a screw rod, the screw rod is in threaded fit with a nut, the nut is fixedly connected with the top end of an inner tube, the bottom end of the inner tube is connected with a support shaft on a guide wheel frame, the bottom end of the guide wheel frame is provided with a guide wheel, the screw rod extends into the inner tube, the inner tube penetrates through the outer tube, and the top end of the outer tube is fixedly connected with the bottom end of; the pipe clamp is arranged on the outer pipe and used for clamping a mounting ring on the outer wall of the outer pipe, and the pipe clamp is fixedly connected with equipment to be jacked; the magnetic ring is installed on a rotor of the motor, the Hall sensor is further installed on the motor and can sense the magnetic field change of the magnetic ring, a PCB circuit board is further fixedly arranged in the worm gear box, a control panel is arranged on the outer wall of the worm gear box, a control button is arranged on the control panel, and the control panel, the motor and the Hall sensor are respectively and electrically connected with the PCB circuit board.

2. The guide wheel type intelligent electric jack according to claim 1, wherein: the worm wheel shaft, the screw rod, the nut, the inner pipe and the outer pipe are coaxial.

3. The guide wheel type intelligent electric jack according to claim 1, wherein: the worm wheel shaft is fixedly connected with the screw rod through a coupler.

4. The guide wheel type intelligent electric jack according to claim 1, wherein: the supporting shaft penetrates into the inner pipe, a steel ball groove is formed between the inner wall of the inner pipe and the outer wall of the supporting shaft, and a plurality of steel balls are arranged in the steel ball groove.

5. The guide wheel type intelligent electric jack according to claim 1, wherein: the mounting ring is circular, and the pipe clamp can be mounted on the outer pipe at any angle in the horizontal direction.

6. The guide wheel type intelligent electric jack according to claim 1, wherein: the screw rod is a trapezoidal screw rod.

7. The guide wheel type intelligent electric jack according to claim 1, wherein: the pipe clamp is an annular concave-coated pipe clamp.