CN219670071U - Electric lifting platform - Google Patents
Electric lifting platform Download PDFInfo
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- CN219670071U CN219670071U CN202223560679.9U CN202223560679U CN219670071U CN 219670071 U CN219670071 U CN 219670071U CN 202223560679 U CN202223560679 U CN 202223560679U CN 219670071 U CN219670071 U CN 219670071U
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- travel switch
- chain wheel
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Abstract
The utility model provides an electric lifting platform, which structurally comprises: the device comprises a guide sleeve, a nut locking sleeve, a guide post, a screw rod, a fixed sleeve, a bearing seat, a manual crank, a direct current speed reduction motor, a lower travel switch, a base, a working platform, an upper travel switch, a synchronous mechanism and a frame; the frame is a cube frame formed by welding angle steel, the synchronous mechanism is arranged at the bottom of the frame, and two ends of the synchronous mechanism are fixed on two corresponding bottom edges of the frame; the two fixed ends of the synchronous mechanism are respectively provided with a screw rod, and the screw rods are connected with the top end of the frame; the two sides of the two lead screws are respectively provided with a guide post, and the lead screws and the two guide posts are arranged side by side; an upper travel switch and a lower travel switch are respectively arranged at the upper end and the lower end of a vertical rod in the frame structure. The device has simple structure and convenient application; the combination of spiral lifting and sprocket lifting effectively improves the lifting stability of the working platform, and has the characteristics of good self-locking performance and high precision, and can bear larger load.
Description
Technical Field
The utility model relates to lifting equipment, in particular to an electric lifting platform.
Background
An electric lifting platform is a mechanism capable of realizing electric control lifting and generally comprises a lifting assembly for realizing lifting, a lifting driver for providing driving force for the lifting assembly and a control system for controlling the lifting driver; the lifting mechanism adopts a scissor type lifting mechanism or a gear rack lifting device, and in the running process, the lifting mechanism is limited by the structure of the lifting mechanism or the weighing deviation, so that the platform is unstable and the running effect of the lifting mechanism is affected; the shear fork hydraulic lifting device can bear larger load, has poorer stability and has the problem of hydraulic cylinder loopholes; the gear rack type lifting device is simple in structure, poor in self-locking performance and small in bearable load.
Disclosure of Invention
In view of the above, the present utility model aims to: the electric lifting platform is characterized in that bolt transmission and chain transmission are combined, so that stable lifting of the platform is realized.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: an electric lifting platform is provided, which structurally comprises: the device comprises a guide sleeve, a nut locking sleeve, a guide post, a screw rod, a fixed sleeve, a bearing seat, a manual crank, a direct current speed reduction motor, a lower travel switch, a base, a working platform, an upper travel switch, a synchronous mechanism and a frame; the frame is a cube frame formed by welding angle steel, the synchronous mechanism is arranged at the bottom of the frame, and two ends of the synchronous mechanism are fixed on two corresponding bottom edges of the frame; the two fixed ends of the synchronous mechanism are respectively provided with a screw rod, and the screw rods are connected with the top end of the frame; the two sides of the two lead screws are respectively provided with a guide post, and the lead screws and the two guide posts are arranged side by side; an upper travel switch and a lower travel switch are respectively arranged at the upper end and the lower end of a vertical rod in the frame structure.
The working platform is characterized in that transverse connecting plates are arranged on two sides of the working platform, nuts are arranged in the middle of the transverse connecting plates, and guide sleeves are arranged on two sides of the nuts; simultaneously, the positions of the nut and the guide sleeve arranged on the working platform correspond to the positions of the lead screw and the guide rod arranged on the frame, and the lead screw and the guide rod respectively penetrate through the nut and the guide sleeve to form connection; the nut is provided with a nut locking sleeve for fixing the position of the working platform on the screw rod.
The synchronous mechanism is of a triangular structure, the vertex angle position of the synchronous mechanism is of a transverse cutting structure, two ends of the bottom edge of the synchronous mechanism are arranged on two corresponding frames at the bottom of the frame, three apertures are respectively formed at the two ends of the bottom edge of the synchronous mechanism, the positions of the corresponding screw rod and the guide pillar are corresponding to those of the guide pillar, a fixing sleeve is arranged at the position of the guide pillar, which is clung to the base, and a bearing seat is arranged at the lower end position of the screw rod; the top end of the triangle structure of the synchronous mechanism is provided with a through hole, a manual crank is arranged above the aperture, and a chain wheel is correspondingly arranged below the aperture; the middle aperture is correspondingly provided with a chain wheel at the bottom, the chain wheel rotates to drive the screw rod above to rotate, a bearing seat is arranged at the joint of the screw rod and the middle aperture, and a fixing sleeve is arranged at the joint of the apertures at the two ends and the guide post; an aperture is arranged at the top end of the synchronous mechanism, a chain wheel is arranged at the bottom end of the aperture, and a manual crank is connected to the top end of the aperture; a connecting hole is formed in the middle of the synchronous mechanism, a chain wheel is arranged at the bottom of the connecting hole, a direct-current gear motor is arranged at the upper part of the connecting hole, and the direct-current gear motor rotates to drive the chain wheel at the bottom of the connecting hole to rotate; a chain guide rail is arranged between the top end aperture and the two bottom end apertures of the synchronous mechanism, and a chain guide rail is arranged between the middle connecting hole of the synchronous mechanism and the two bottom end apertures. The chain passes through the top chain wheel to one end chain wheel at the bottom, then passes through the middle chain wheel to the other end chain wheel, and finally reaches the top chain wheel to form a loop.
The electric lifting platform is also provided with a controller, and the controller is generally arranged in the operating room; the circuit connection relation is as follows: the controller is respectively connected with the direct-current speed reduction motor, the upper travel switch and the lower travel switch; after the upper travel switch and the lower travel switch touch the working platform, information is fed back to the controller, and then the controller controls the direct-current gear motor to stop working.
The controller sends out an ascending instruction, the direct-current speed reduction motor starts to work and drives the middle bottom chain wheel to rotate, so that the chain wheels at the two ends are driven to drive the two screw rods to rotate, the nut matched with the two screw rods is driven to do linear motion, the working platform is driven to achieve ascending motion, the working platform is driven to do linear motion along the guide post through the guide sleeve, the working platform reaches a specified position, the upward travel switch acts, the direct-current speed reduction motor stops rotating, and meanwhile information is fed back to the controller, so that the automatic ascending function of the lifting platform is achieved; the controller sends a descending instruction, the direct-current speed reduction motor starts to work and drives the two screw rods to rotate, so that the screw rods and the nuts matched with the screw rods do linear motion, the working platform is driven to realize descending motion, the working platform passes through the guide sleeve and does linear motion along the guide post, the working platform reaches a designated position, the down travel switch acts, the direct-current speed reduction motor stops rotating, and meanwhile information is fed back to the controller, so that the automatic descending function of the lifting platform is realized.
When the power-off state is met, the manual crank at the top end of the synchronous mechanism drives the bottom chain wheel to rotate, so that the chain wheels at the two ends of the bottom of the synchronous mechanism are pulled to rotate, the screw rod is driven to rotate, and the lifting of the working platform is regulated.
The beneficial effects of the utility model are as follows: the equipment has simple structure and convenient application; the combination of spiral lifting and sprocket lifting effectively improves the lifting stability of the working platform, and has the characteristics of good self-locking performance and high precision, and can bear larger load.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic bottom view of the synchronization mechanism;
in the figure: 1. guide sleeve; 2. a nut; 3. a nut locking sleeve; 4. a guide post; 5. a screw rod; 6. a fixed sleeve; 7. a bearing seat; 8. a manual crank; 9. a direct current deceleration motor; 10. a lower travel switch; 11. a base; 12. a working platform; 13. an upper travel switch; 14. a frame; 15. a sprocket; 16. a chain guide; 17. and (3) a chain.
Detailed Description
As shown in fig. 1 and 2, the present utility model provides an electric lifting platform, which comprises: the device comprises a guide sleeve 1, a nut 2, a nut locking sleeve 3, a guide post 4, a screw rod 5, a fixed sleeve 6, a bearing seat 7, a manual crank 8, a direct-current speed reduction motor 9, a lower travel switch 10, a base 11, a working platform 12, an upper travel switch 13, a synchronous mechanism and a frame 14; the frame 14 is a cube frame formed by welding angle steel, the synchronous mechanism is arranged at the bottom of the frame 14, and two ends of the synchronous mechanism are fixed on two corresponding bottom edges of the frame 14; the two fixed ends of the synchronous mechanism are respectively provided with a screw rod 5, and the screw rods 5 are connected with the top end of the frame 12; guide posts 4 are respectively arranged on two sides of the two lead screws 5, and the lead screws 5 and the two guide posts 4 are arranged side by side; an upper travel switch 13 and a lower travel switch 10 are respectively arranged at the upper end and the lower end of a vertical rod in the frame 14 structure; transverse connecting plates are arranged on two sides of the working platform 12, nuts 2 are arranged in the middle of the transverse connecting plates, and guide sleeves 1 are arranged on two sides of the nuts 2; simultaneously, the positions of a nut 2 and a guide sleeve 1 arranged on the working platform correspond to the positions of a lead screw 5 and a guide rod 4 arranged on the frame, and the lead screw 5 and the guide rod 4 respectively penetrate through the nut 2 and are connected with the guide sleeve 1; the nut 2 is provided with a nut locking sleeve 3 for fixing the position of the working platform 12 on the screw rod 5.
As shown in fig. 2, the base of the synchronous mechanism has a triangular structure, the vertex angle of the base is of a transverse structure, two ends of the bottom edge of the base are arranged on two corresponding frames at the bottom of the frame, three apertures are respectively arranged at the two ends of the bottom edge, the positions of the corresponding screw rod 5 and the guide post 4 are corresponding, a fixed sleeve 6 is arranged at the position of the guide post, which is clung to the base, and a bearing seat 7 is arranged at the lower end of the screw rod; the top end of the triangle structure of the synchronous mechanism is provided with a through hole, a manual crank 8 is arranged above the aperture, and a chain wheel 15 is correspondingly arranged below the aperture; an aperture is arranged in the middle of the synchronous mechanism, a chain wheel 15 is correspondingly arranged at the bottom of the aperture, and the chain wheel 15 rotates to drive the upper screw rod 5 to rotate; a connecting hole is formed in the middle of the synchronous mechanism, a chain wheel 15 is arranged at the bottom of the connecting hole, a direct-current gear motor 9 is arranged at the upper part of the connecting hole, and the direct-current gear motor 9 rotates to drive the chain wheel 15 at the bottom of the connecting hole to rotate; a chain guide rail 16 is arranged between the aperture at the top end and the aperture at the two bottom ends of the synchronous mechanism, and a chain guide rail 16 is arranged between the connecting hole in the middle of the synchronous mechanism and the aperture at the two bottom ends; the chain 17 loops through the top sprocket 15 to the bottom one end sprocket 15, through the middle sprocket to the other bottom sprocket, and finally to the top sprocket.
The controller sends out an ascending instruction, the direct-current speed reduction motor 9 starts to work, the middle bottom chain wheel 15 is driven to rotate, the chain wheels 15 at the two ends are driven to drive the two lead screws 5 to rotate, the nut 2 matched with the two lead screws is driven to do linear motion, the working platform 12 is driven to achieve ascending motion, the working platform 12 passes through the guide sleeve and does linear motion along the guide post 4, the working platform 12 reaches a specified position, the upper travel switch 13 acts, the direct-current speed reduction motor 9 stops rotating, and meanwhile information is fed back to the controller, so that the automatic ascending function of the lifting platform is achieved; the controller sends a descending instruction, the direct-current speed reduction motor 9 starts to work, the two screw rods 5 are driven to rotate, the nuts 2 matched with the two screw rods are driven to do linear motion, the working platform 12 is driven to achieve descending motion, the working platform passes through the guide sleeve and does linear motion along the guide post 4, the working platform 12 reaches a specified position, the down travel switch 10 acts, the direct-current speed reduction motor 9 stops rotating, and meanwhile information is fed back to the controller, so that the automatic descending function of the lifting platform is achieved.
Claims (2)
1. An electric lifting platform, which is characterized in that: the structure comprises: the device comprises a guide sleeve, a nut locking sleeve, a guide post, a screw rod, a fixed sleeve, a bearing seat, a manual crank, a direct current speed reduction motor, a lower travel switch, a base, a working platform, an upper travel switch, a synchronous mechanism and a frame; the frame is a cubic frame formed by welding angle steel, the synchronous mechanism is arranged at the bottom of the frame, and two ends of the synchronous mechanism are fixed on two corresponding bottom edges of the frame; the two fixed ends of the synchronous mechanism are respectively provided with a screw rod, and the screw rods are connected with the top end of the frame; the two sides of the two lead screws are respectively provided with a guide post, and the lead screws and the two guide posts are arranged side by side; an upper travel switch and a lower travel switch are respectively arranged at the upper end and the lower end of a vertical rod of the frame;
the working platform is characterized in that transverse connecting plates are arranged on two sides of the working platform, nuts are arranged in the middle of the transverse connecting plates, and guide sleeves are arranged on two sides of the nuts; simultaneously, the positions of the nut and the guide sleeve arranged on the working platform correspond to the positions of the lead screw and the guide rod arranged on the frame, and the lead screw and the guide rod respectively penetrate through the nut and the guide sleeve to form connection; the nut is provided with a nut locking part;
the synchronous mechanism is of a triangular structure, the vertex angle position of the synchronous mechanism is of a transverse cutting structure, two ends of the bottom edge of the synchronous mechanism are arranged on two corresponding frames at the bottom of the frame, three apertures are respectively formed at the two ends of the bottom edge of the synchronous mechanism, the positions of the corresponding screw rod and the guide pillar are corresponding to those of the guide pillar, a fixing sleeve is arranged at the position of the guide pillar, which is clung to the base, and a bearing seat is arranged at the lower end position of the screw rod; the top end of the triangle structure of the synchronous mechanism is provided with a through hole, a manual crank is arranged above the aperture, and a chain wheel is correspondingly arranged below the aperture; the middle aperture is correspondingly provided with a chain wheel at the bottom, the chain wheel rotates to drive the screw rod above to rotate, a bearing seat is arranged at the joint of the screw rod and the middle aperture, and a fixing sleeve is arranged at the joint of the apertures at the two ends and the guide post; an aperture is arranged at the top end of the synchronous mechanism, a chain wheel is arranged at the bottom end of the aperture, and a manual crank is connected to the top end of the aperture; a connecting hole is formed in the middle of the synchronous mechanism, a chain wheel is arranged at the bottom of the connecting hole, a direct-current gear motor is arranged at the upper part of the connecting hole, and the direct-current gear motor rotates to drive the chain wheel at the bottom of the connecting hole to rotate; a chain guide rail is arranged between the aperture at the top end and the apertures at the two bottom ends of the synchronous mechanism, and a chain guide rail is arranged between the connecting hole in the middle of the synchronous mechanism and the apertures at the two bottom ends; the chain passes through the top chain wheel to one end chain wheel at the bottom, then passes through the middle chain wheel to the other end chain wheel, and finally reaches the top chain wheel to form a loop.
2. An electric lift platform as claimed in claim 1 wherein: the electric lifting platform is also provided with a controller, and the circuit connection relation of the electric lifting platform is as follows: the controller is respectively connected with the direct-current speed reduction motor, the upper travel switch and the lower travel switch; after the upper travel switch and the lower travel switch touch the working platform, information is fed back to the controller, and then the controller controls the direct-current gear motor to stop working.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022216992717 | 2022-07-04 | ||
| CN202221699271 | 2022-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219670071U true CN219670071U (en) | 2023-09-12 |
Family
ID=87895005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223560679.9U Active CN219670071U (en) | 2022-07-04 | 2022-12-30 | Electric lifting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219670071U (en) |
-
2022
- 2022-12-30 CN CN202223560679.9U patent/CN219670071U/en active Active
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