Split type ring-shaped lifting appliance driven synchronously

Abstract

This utility model discloses a synchronously driven split-type ring lifting device, including a lifting device frame, on which a mounting frame and a drive assembly are mounted. The drive assembly includes a front lifting device frame rotation drive assembly, a front lifting device frame rotation driven assembly, a rear lifting device frame rotation drive assembly, and a rear lifting device frame rotation driven assembly, all connected by connecting rods. The front and rear lifting device frame rotation drive assemblies are each connected to a drive motor, and the two drive motors are controlled by an encoder to achieve synchronous drive. The synchronously driven split-type ring lifting device provided by this utility model not only significantly reduces the weight of the drive frame, facilitating processing and installation, but also ensures smoother rotation of the front and rear drive pulleys.

Description

Technical Field

[0001] This utility model relates to a lifting device, and more particularly to a synchronously driven split-type ring lifting device. Background Technology

[0002] The existing ring-shaped lifting device frame has a drive assembly and driven assembly base made of welded steel plates as a single frame. The front drive assembly is directly connected to the motor, while the rear drive assembly is connected to the motor of the front drive assembly via a coupling. The rear drive pulley may not rotate smoothly. Therefore, it is necessary to improve the existing ring-shaped lifting device structure. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a split-type ring lifting device with synchronous drive, which can not only greatly reduce the weight of the drive frame and facilitate processing and installation, but also make the front and rear drive pulleys rotate more smoothly.

[0004] The technical solution adopted by this utility model to solve the above-mentioned technical problems is to provide a synchronously driven split-type ring-shaped lifting device, including a lifting device frame, on which an installation frame and a drive assembly are provided; wherein, the drive assembly includes a front lifting device frame rotation drive assembly, a front lifting device frame rotation driven assembly, a rear lifting device frame rotation drive assembly, and a rear lifting device frame rotation driven assembly; the front lifting device frame rotation drive assembly and the rear lifting device frame rotation drive assembly are connected by a first connecting rod, the front lifting device frame rotation driven assembly and the rear lifting device frame rotation driven assembly are connected by another first connecting rod, the front lifting device frame rotation drive assembly and the rear lifting device frame rotation driven assembly are connected by a second connecting rod, and the rear lifting device frame rotation drive assembly and the rear lifting device frame rotation driven assembly are connected by another second connecting rod; the front lifting device frame rotation drive assembly and the rear lifting device frame rotation drive assembly are each connected to a drive motor, and the two drive motors are controlled by an encoder to achieve synchronous drive.

[0005] Furthermore, the front lifting frame rotation drive assembly includes a first drive support and a drive motor. The drive shaft of the drive motor is connected to a coupling. The drive shaft is provided with a bearing and a synchronous pulley. A spacer is provided between the bearing and the synchronous pulley. The encoder is located at the end of the coupling.

[0006] Furthermore, the first drive support is provided with a first lower pressing wheel, the first lower pressing wheel is fixed on a first lower pressing wheel shaft, and the first lower pressing wheel shaft is provided with a first lower pressing wheel bearing.

[0007] Furthermore, the first drive support is also provided with a first side clamping wheel.

[0008] Furthermore, the front lifting frame rotation driven assembly includes a second drive support, on which a second lower clamping wheel and a second side clamping wheel are provided. The second lower clamping wheel is fixed on a second lower clamping wheel shaft, and a second lower clamping wheel bearing is provided on the second lower clamping wheel shaft.

[0009] Furthermore, the second drive support is also provided with a second side clamping wheel.

[0010] Compared with the prior art, the present invention has the following advantages: The synchronous drive split ring lifting device provided by the present invention changes the integral master-slave drive assembly into a split structure connected by connecting rods. The weight of the drive frame of the modified structure is reduced by 50%, which is convenient for processing and installation. Each of the front and rear lifting device frames is connected to a drive motor. The two drive motors are controlled by an encoder to achieve synchronous drive, which makes the front and rear drive pulleys rotate more smoothly. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the synchronously driven split-type ring lifting device of this utility model;

[0012] Figure 2 This is a schematic diagram of the front lifting frame rotation drive assembly of the annular lifting device of this utility model;

[0013] Figure 3 This is a schematic cross-sectional view of the rotating drive assembly of the front lifting frame of the annular lifting device of this utility model.

[0014] Figure 4 This is a schematic diagram of the rear lifting frame rotation drive assembly of the annular lifting device of this utility model;

[0015] Figure 5 This is a cross-sectional schematic diagram of the rotation drive assembly of the rear lifting frame of the ring lifting device of this utility model.

[0016] The components in the diagram are labeled as follows: 1. Front spreader frame rotation drive assembly; 2. Front spreader frame rotation driven assembly; 3. Rear spreader frame rotation drive assembly; 4. Rear spreader frame rotation driven assembly; 5. Mounting frame; 6. First connecting rod; 7. Second connecting rod; 8. Spreader frame; 101. First drive support; 102. Drive motor; 103. Drive shaft; 104. Bearing; 105. Spacer; 106. Synchronous pulley; 107. Coupling; 108. Encoder; 109. First lower clamping wheel; 110. First lower clamping wheel shaft; 111. First lower clamping wheel bearing; 112. First side clamping wheel; 201. Second drive support; 202. Second lower clamping wheel; 203. Second lower clamping wheel shaft; 204. Second lower clamping wheel bearing; 205. Second side clamping wheel. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a schematic diagram of the synchronously driven split-type ring lifting device of this utility model.

[0019] Please see Figure 1 The present invention provides a synchronously driven split-type ring-shaped lifting device, comprising a lifting device frame 8, on which an mounting frame 5 and a driving assembly are provided; wherein, the driving assembly includes a front lifting device frame rotation driving assembly 1, a front lifting device frame rotation driven assembly 2, a rear lifting device frame rotation driving assembly 3, and a rear lifting device frame rotation driven assembly 4; the front lifting device frame rotation driving assembly 1 and the rear lifting device frame rotation driving assembly 3 are connected by a first connecting rod 6, the front lifting device frame rotation driven assembly 2 and the rear lifting device frame rotation driven assembly 4 are connected by another first connecting rod 6, the front lifting device frame rotation driving assembly 1 and the front lifting device frame rotation driven assembly 2 are connected by a second connecting rod 7, and the rear lifting device frame rotation driving assembly 3 and the rear lifting device frame rotation driven assembly 4 are connected by another second connecting rod 7; the front lifting device frame rotation driving assembly 1 and the rear lifting device frame rotation driving assembly 3 are each connected to a drive motor, and the two drive motors are controlled by an encoder to achieve synchronous driving.

[0020] Please continue reading Figure 2 and Figure 3 The present invention provides a synchronously driven split-type ring-shaped lifting device. The front lifting device frame rotation drive assembly 1 includes a first drive support 101 and a drive motor 102. The drive shaft 103 of the drive motor 102 is connected to a coupling 107. A bearing 104 and a synchronous pulley 106 are provided on the drive shaft 103. A spacer 105 is provided between the bearing 104 and the synchronous pulley 106. An encoder 108 is located at the end of the coupling 107. The rear lifting device frame rotation drive assembly 3 can adopt the same drive structure as described above, and will not be described in detail here.

[0021] The present invention provides a synchronously driven split-type ring lifting device, wherein a first lower clamping wheel 109 is provided on the first drive support 101, the first lower clamping wheel 109 is fixed on a first lower clamping wheel shaft 110, and a first lower clamping wheel bearing 111 is provided on the first lower clamping wheel shaft 110. A first side clamping wheel 112 may also be further provided on the first drive support 101 according to the above-described installation and fixing method.

[0022] Please continue reading Figure 4 and Figure 5The present invention provides a synchronously driven split-type annular lifting device. The front lifting device frame rotation driven assembly 2 includes a second drive support 201. The second drive support 201 is provided with a second lower clamping wheel 202 and a second side clamping wheel 205. The second lower clamping wheel 202 is fixed to a second lower clamping wheel shaft 203, and the second lower clamping wheel shaft 203 is provided with a second lower clamping wheel bearing 204. The second drive support 201 may also be further provided with a second side clamping wheel 205 according to the above-described installation and fixing method. The rear lifting device frame rotation driven assembly 4 can adopt the same drive structure as described above, and will not be elaborated further here.

[0023] In summary, the synchronously driven split-type ring lifting device provided by this utility model changes the integral master-slave drive assembly into a split structure connected by connecting rods. The weight of the drive frame of the modified structure is reduced by 50%, which facilitates processing and installation. Each of the front and rear lifting device frames is connected to a drive motor 102, and the two drive motors 102 are controlled by an encoder 108 to achieve synchronous drive, making the rotation of the front and rear drive pulleys smoother.

[0024] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the claims.

Claims

1. A synchronously driven split-type annular lifting device, comprising a lifting device frame, wherein a mounting frame and a driving assembly are disposed on the lifting device frame; characterized in that, The drive assembly includes a front spreader frame rotation drive assembly, a front spreader frame rotation driven assembly, a rear spreader frame rotation drive assembly, and a rear spreader frame rotation driven assembly. The front and rear spreader frame rotation drive assemblies are connected by a first connecting rod, the front and rear spreader frame rotation driven assemblies are connected by another first connecting rod, the front and rear spreader frame rotation driven assemblies are connected by a second connecting rod, and the rear spreader frame rotation drive assemblies are connected by another second connecting rod. Each of the front and rear spreader frame rotation drive assemblies is connected to a drive motor, and the two drive motors are controlled by an encoder to achieve synchronous drive.

2. The synchronously driven split-type ring lifting device as described in claim 1, characterized in that, The front lifting frame rotation drive assembly includes a first drive support and a drive motor. The drive shaft of the drive motor is connected to a coupling. The drive shaft is provided with a bearing and a synchronous pulley. A spacer is provided between the bearing and the synchronous pulley. The encoder is located at the end of the coupling.

3. The synchronously driven split-type ring lifting device as described in claim 2, characterized in that, The first drive support is provided with a first lower pressing wheel, the first lower pressing wheel is fixed on a first lower pressing wheel shaft, and the first lower pressing wheel shaft is provided with a first lower pressing wheel bearing.

4. The synchronously driven split-type ring lifting device as described in claim 2, characterized in that, The first drive support is also provided with a first side clamping wheel.

5. The synchronously driven split-type ring lifting device as described in claim 1, characterized in that, The front lifting frame rotation driven assembly includes a second drive support, on which a second lower clamping wheel and a second side clamping wheel are provided. The second lower clamping wheel is fixed on a second lower clamping wheel shaft, and a second lower clamping wheel bearing is provided on the second lower clamping wheel shaft.

6. The synchronously driven split-type ring lifting device as described in claim 1, characterized in that, The second drive support is also provided with a second side clamping wheel.

Images