CN219009823U

CN219009823U - Unexpected buffer mechanism and prevent weighing down formula photovoltaic module laminator that falls

Info

Publication number: CN219009823U
Application number: CN202223027674.XU
Authority: CN
Inventors: 杨良
Original assignee: Qinhuangdao Jinchen Solar Energy Equipment Co ltd
Current assignee: Qinhuangdao Jinchen Solar Energy Equipment Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-05-12
Anticipated expiration: 2032-11-14

Abstract

The utility model aims at overcoming the defects that a lifting transmission platform for a laminating machine in the prior art is free of an anti-falling device and has the risk of accidental falling, and provides an accidental falling buffer mechanism and a photovoltaic module laminating machine using the same. In addition, the falling-prevention type photovoltaic module laminating machine is free of detecting whether the platform falls, is simple in device, and is simple in structure and reliable in protection.

Description

Unexpected buffer mechanism and prevent weighing down formula photovoltaic module laminator that falls

Technical Field

The utility model relates to the technical field of anti-falling devices, in particular to an accidental falling buffer mechanism and an anti-falling type photovoltaic module laminating machine.

Background

At present, a main machine of a photovoltaic module laminating machine develops towards a multi-layer direction, and generally comprises two or three layers of laminating main machines, and the multi-layer laminating main machines laminate simultaneously or respectively, so that the main machine is beneficial to fully utilizing the field of a workshop, is beneficial to improving the production efficiency, saving the production cost, improving the competitive advantage and improving the benefit. The photovoltaic module transmission mechanism matched with the multi-layer lamination hosts adopts lifting transmission platforms, one lifting transmission platform is used for feeding and discharging a plurality of lamination hosts, each lifting transmission platform comprises a platform frame body and a transmission component arranged on the platform frame body, a conveyor belt is generally adopted as the transmission component, the transmission component is driven by a driving device to operate, the photovoltaic module is transmitted, the lifting transmission platform 100 is driven to lift and butt joint with the corresponding lamination host by a chain transmission mechanism generally, the feeding or discharging is realized, the chain transmission mechanism comprises a chain 206, a driving sprocket 202 and a driven sprocket 204, a motor 201 for driving the driving sprocket, the output end of the motor 201 is connected with a driving sprocket shaft 203, the driving sprocket is positioned below the lifting transmission platform, the driven sprocket 204 is positioned above the lifting transmission platform and is fixed on a top beam 205 of a lifting frame body 208, the chain 206 surrounds the driving sprocket and the driven sprocket, the joint part of the chain is fixedly connected with the lifting transmission platform through a fixing piece 207, and each corner of the lifting transmission platform is provided with a chain transmission mechanism. By adopting the lifting transmission mechanism with the structure, the lifting transmission platform has heavier weight, so that the risk of unexpected falling of the lifting transmission platform caused by chain breakage exists, and the existing lifting transmission system has no anti-falling mechanism and has a certain falling risk. Once the lifting transmission platform accidentally falls, the photovoltaic module is damaged if the lifting transmission platform is light, and the safety production accident is caused if the lifting transmission platform is heavy.

Disclosure of Invention

The utility model aims to provide an accidental falling buffer mechanism and a photovoltaic module laminating machine using the same, aiming at the defects that a lifting transmission platform for a laminating machine in the prior art is free of a falling prevention device and has the risk of accidental falling.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides an unexpected buffer gear that falls, includes shear fork mechanism and single-action cylinder, shear fork mechanism includes two cross hinged connection's shear fork frame, respectively, be shear fork frame one and shear fork frame two, every shear fork frame includes a shear fork arm at least, the upper end of a shear fork frame is fixed rotation end, its lower extreme is the mobile terminal, the upper end of another shear fork frame is the mobile terminal, its lower extreme is fixed rotation end, fixed rotation end is used for with buffer mechanism and the object rotation or articulated connection that support, the mobile terminal is provided with slider or gyro wheel and guide rail, slider or gyro wheel and guide rail sliding or rolling connection, the guide rail is used for with the fixed connection of the object that supports, the cylinder body of cylinder is articulated connection with the mobile terminal of another shear fork frame, its piston rod is articulated connection with the mobile terminal of another shear fork frame, be provided with air-vent valve, solenoid valve, and one-way overflow valve on the pipeline that communicates with the air inlet of cylinder, by solenoid valve control opening and shutting of air inlet;

the exhaust port is provided with a silencing filter and/or a throttle valve is arranged between the air inlet and the air supply device;

the guide rail is a groove type guide rail;

the pressure regulating valve, the electromagnetic valve and the one-way overflow valve are sequentially arranged between the air supply device and the air inlet.

The falling-preventing type photovoltaic module laminating machine comprises a lifting transmission platform for conveying a photovoltaic module and the unexpected falling buffer mechanism, wherein the lifting transmission platform is a falling-preventing object, a guide rail matched with an upper moving end is fixedly connected with the lifting transmission platform, and a guide rail matched with a lower moving end is fixedly connected with the lower part of a frame body of the lifting transmission platform;

the lifting transmission platform is driven by a chain transmission device to lift;

the chain of the chain transmission device is fixedly connected with the lifting transmission platform through a fixing piece, the driving sprocket and the driven sprocket are respectively and fixedly arranged below the top beam and the support body, the chain is connected with the driving sprocket and the driven sprocket, and the driving sprocket shaft is connected with the driving motor;

the cylinder output is equal to the empty weight of the lifting transmission platform.

The utility model has the following beneficial effects:

the unexpected falling buffer mechanism with the structure of the utility model realizes the lifting following of the scissor frame through the extension and contraction of the cylinder piston rod, meanwhile, due to the arrangement of the one-way overflow valve, the gas of the one-way overflow valve can be exhausted at a set speed and keep a certain discharge amount during normal falling, so that a certain pressure in the cylinder is not lower than a set pressure value, and the exhaust speed and the pressure are limited during falling to prevent the protected object from falling, therefore, the falling caused by the normal falling or the system failure of the driving mechanism is realized, the falling process of the platform is the set speed, the slow falling can be realized, and the damage of personnel and mechanical structures is avoided. In addition, the scheme does not need to detect whether the platform falls, and the device is simple.

The falling-prevention type photovoltaic module laminating machine with the structure provided by the utility model has the advantages that the falling buffering mechanism is used for providing falling buffering for the lifting transmission platform, and when the lifting transmission platform falls, the falling speed and the pressure in the air cylinder are controlled through the overflow valve, so that the falling speed and the pressure in the air cylinder are slowly reduced, the structure is simple, and the protection is reliable.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a prior art lifting transport platform;

FIG. 2 is a schematic view of an embodiment of an unexpected fall buffering mechanism of the present utility model;

FIG. 3 is a schematic structural view of an embodiment of the anti-falling photovoltaic module laminator of the utility model;

fig. 4 is a pneumatic schematic diagram of the cylinder.

The reference numerals are used to describe the components,

101. lifting the transmission platform;

200. a lifting mechanism; 201. a motor; 202. a drive sprocket; 203. a drive sprocket shaft; 204. a driven sprocket; 205. a top beam; 206. a chain; 207. a fixing member; 208. a frame body;

300. a fall buffering mechanism; 301. a guide rail; 302. a roller or slider; 303. a cylinder; 304. an exhaust end; 305. an exhaust port; 306. an air inlet; 307. a gas supply device; 321. a scissors mechanism; 322. A first scissors fork; 323. A second shearing fork; 324. a first beam; 325. a second cross beam; 326. a moving end; 327. the rotating end is fixed.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the specific examples. Wherein like parts are designated by like reference numerals. This specific example is merely illustrative of the utility model and is not intended to be limiting.

The accidental fall buffering mechanism 300 of the embodiment of the present utility model includes a scissors mechanism 321 and a scissors frame braking mechanism. The scissors mechanism 321 comprises two scissors frames which are hinged and connected in a crossed manner, namely a first scissors frame 322 and a second scissors frame 323, wherein the first scissors frame and the second scissors frame at least comprise a section of fork arm, and are respectively provided with a movable end 326 and a fixed rotating end 327, the movable end and the fixed rotating end of the first scissors frame and the fixed rotating end of the second scissors frame are oppositely arranged, for example, when the fixed end of the first scissors frame is positioned at the upper end, the fixed rotating end of the second scissors frame is positioned at the lower end, the movable end of the first scissors frame is positioned at the lower end, and the movable end of the second scissors frame is positioned at the upper end, so that the two scissors frames can be realized and disturbed and separated, and are connected with a supported object. A roller or a sliding block 302 and a guide rail 301 are arranged at the moving end of each scissor frame, the roller or the sliding block is in sliding connection or rolling connection with the guide rail, and when two scissor frames are disturbed or diverged, the roller or the sliding block 302 moves along the guide rail 301. The scissor frame braking mechanism comprises a single-acting air cylinder 303, one end of the cylinder body of the air cylinder is hinged with the moving end of the scissor frame through a first beam 324 of the scissor frame, the rod end of the piston rod is hinged with the moving end of the scissor frame through a second beam 325 of the scissor frame, and generally, when a single scissor is used, the air cylinder is arranged between two feet, and when a plurality of scissor are used, the air cylinder is arranged between the two scissor. An exhaust port 305 is provided at the exhaust end 304 for communication with the atmosphere, and in a preferred embodiment, a noise reduction filter is provided at the exhaust port through which the gas exiting the exhaust port is directed to the atmosphere. The pipeline connecting the air inlet and the air supply device is provided with a one-way overflow valve, an electromagnetic valve and a pressure regulating valve. The opening and closing of the air inlet are controlled by the electromagnetic valve, the pressure of the air inlet is controlled by the pressure regulating valve, the pressure relief pressure of the system is regulated by the one-way overflow valve, and the inflow of the compressed air to the air inlet is controlled by the electromagnetic valve. When the air cylinder rises, the electromagnetic valve, the pressure regulating valve and the one-way overflow valve act together to realize air supplement for the air cylinder, so that the air pressure of the working cavity of the air cylinder is ensured, and the air pressure is kept within a certain range. Preferably, the one-way overflow valve, the solenoid valve and the pressure regulating valve are sequentially arranged, and the pressure regulating valve is arranged at the front end of the solenoid valve close to the air supply device 307. In a better structure, the front end of the high-pressure valve is provided with a filter for filtering the compressed air. Preferably, a throttle valve is arranged on the pipeline or an air inlet port of the air cylinder, the throttle valve is arranged between the one-way overflow valve and the air inlet, and the throttle valve further adjusts and controls the speed, so that the descending speed of the whole buffer mechanism is better controlled. The common solenoid valve adopts a reversing solenoid valve.

The upper fixed rotating end and the upper moving end of the scissor mechanism are connected with a supported object such as a supported platform, in particular, a guide rail is fixedly connected with the supported platform, the upper rotating end is hinged with the supported platform, when the supported object ascends, a piston rod of an air cylinder extends out, the distance between two scissor walls is increased, two scissor frames are closed, an electromagnetic valve is opened to charge air in the air cylinder, when the air cylinder descends normally, an air supply electromagnetic valve of an air inlet is closed to stop working, due to the descending, the cavity pressure is increased, air is discharged through a one-way overflow valve, the overflow speed of the one-way overflow valve is controlled, the pressure of the cavity of the air cylinder is not lower than a set value, the exhaust speed and the pressure are limited when the supported object descends, the platform is blocked, and the descending speed is buffered. Therefore, even if the platform falls, the platform will fall at the set speed. According to the scheme, whether the supporting objects such as the detection platform fall or not is not needed, whether the supporting objects fall or not is judged, the platform falling process is slow falling in a set speed, and damage to personnel and mechanical structures is avoided. Of course, the piston rod of the cylinder may be disposed either upward or downward, generally upward. Preferably, the guide rail is a slot type guide rail.

As shown in fig. 2 and 3, the photovoltaic module laminating machine of the present utility model includes a lifting transmission platform 101, a frame 208 supporting the lifting transmission platform, and a lifting mechanism driving the lifting transmission platform to move up and down, where the lifting mechanism driving the lifting transmission platform to move up and down may be a chain lifting mechanism, a rack-and-pinion lifting mechanism, etc., so that the platform can be lifted in any way, and the lifting transmission platform includes a platform frame and a transmission component disposed on the platform frame, and generally adopts a conveyor belt as the transmission component, and the transmission component is driven by a driving device to operate, so as to realize the transmission of the photovoltaic module. The falling buffer mechanism 300 is positioned below the lifting transmission platform, the upper fixed end of the scissor fork frame is hinged with the lower part of the lifting platform, the guide rail matched and connected with the upper moving end is fixed below the lifting platform, the upper moving end is in sliding or rolling connection with the guide rail through a sliding block or a roller, the lower rotating fixed end is hinged with the frame body, the guide rail matched and connected with the lower moving end is fixedly connected with the frame body, and the lower moving end is in sliding or rolling connection with the mark rail through a sliding block or a roller. When the lifting transmission platform rises, the piston rod of the air cylinder stretches out, the upper moving end and the lower moving end move towards the upper fixed end and the lower fixed end, the two shearing forks are close to each other and are closed, when the lifting transmission platform descends normally, the piston rod of the air cylinder retracts, therefore, the normal lifting motion of the lifting platform cannot be affected, when the lifting transmission platform falls abnormally, the piston rod of the air cylinder is pressed and retracted, the pressure in the cylinder body of the air cylinder increases, after the pressure value is increased, the overflow valve is opened to discharge air in the air cylinder into the atmosphere, the overflow valve is arranged to be equivalent to a bypass for an air supply system of the air cylinder, when the pressure in the air cylinder is smaller than the set value, such as 0.2 megapascal, the overflow valve is opened when the pressure in the air cylinder is higher than the set value, and therefore, the air in the air cylinder can be guaranteed to have an outlet and keep proper pressure in the air cylinder when the lifting transmission platform falls accidentally, and the effect of buffering the descending of the lifting platform can be guaranteed.

In a preferred embodiment, the output value of the air cylinder is substantially identical to the empty weight of the lifting transmission platform, so that additional load pressure on a lifting power system such as a chain motor can be avoided.

Claims

1. The utility model provides an unexpected buffer gear that falls, its characterized in that includes scissors mechanism and single-action cylinder, scissors mechanism includes two cross hinged connection's scissors fork frame, respectively is scissors fork frame one and scissors fork frame two, and every scissors fork frame is including a scissors fork arm at least, and the upper end of a scissors fork frame is fixed rotation end, and its lower extreme is the removal end, and the upper end of another scissors fork frame is the removal end, and its lower extreme is fixed rotation end, and fixed rotation end is used for rotating or articulated connection with the object that supports the buffer mechanism, and the removal end is provided with slider or gyro wheel and guide rail, slider or gyro wheel and guide rail sliding or rolling connection, guide rail are used for with the fixed connection of the object that supports, and the cylinder body of cylinder is articulated connection with the removal end of one scissors fork frame, and its piston rod is articulated connection with the removal end of another scissors fork frame, is provided with air-vent valve, solenoid valve, and one-way overflow valve on the pipeline with the air inlet of cylinder intercommunication, is controlled by solenoid valve.

2. The unexpected fall buffering mechanism of claim 1 wherein: the air inlet is provided with a silencing filter and/or a throttle valve is arranged between the air inlet and the air supply device.

3. The unexpected fall buffering mechanism of claim 1 wherein: the guide rail is a groove type slide rail.

4. An unexpected fall arrest mechanism according to claim 1 or 2, wherein: the pressure regulating valve, the electromagnetic valve and the one-way overflow valve are sequentially arranged between the air supply device and the air inlet.

5. The falling-preventing type photovoltaic module laminating machine comprises a lifting transmission platform for conveying a photovoltaic module and is characterized by further comprising the accidental falling buffer mechanism according to any one of claims 1-4, wherein the lifting transmission platform is a falling-preventing object, a guide rail matched with an upper moving end is fixedly connected with the lifting transmission platform, and a guide rail matched with a lower moving end is fixedly connected with the lower part of a frame body of the lifting transmission platform.

6. The anti-drop photovoltaic module laminator of claim 5, wherein the lifting transport platform is driven to lift by a chain drive.

7. The anti-falling type photovoltaic module laminating machine according to claim 6, wherein a chain of the chain transmission device is fixedly connected with the lifting transmission platform through a fixing piece, a driving sprocket and a driven sprocket are respectively fixedly arranged below the top beam and the support body, the chain is connected with the driving sprocket and the driven sprocket, and a driving sprocket shaft is connected with the driving motor.

8. The anti-roll-off photovoltaic module laminator of claim 6, wherein the cylinder force is equal to the empty weight of the lift transport platform.