Synchronous lifting and moving skip car

Abstract

The utility model discloses a movable skip car capable of lifting synchronously. The moving skip car capable of lifting synchronously comprises a stock bin, a moving support and a synchronous lifting structure, the synchronous lifting structure is assembled on the moving support and comprises x worm gear combiners, (x-1) transmission structures and an operating hand wheel, the x worm gear combiners are distributed around the stock bin, and the (x-1) transmission structures are arranged on the moving support. The x worm gear combiners are sequentially in transmission connection through (x-1) transmission structures to form a semi-open first annular structure, the operating hand wheel is in transmission connection with one worm gear combiner located at the head end or the tail end, the stock bin is fixedly connected with x lifting lead screws contained in the x worm gear combiners, and the x lifting lead screws are driven by the x worm gear combiners by operating the operating hand wheel. The stock bin and the x lifting lead screws ascend and descend synchronously, and x is larger than or equal to 3. The skip car capable of synchronously lifting and moving is small in occupied space and has the advantages of being stable in action, labor-saving in execution, stable in lifting and labor-saving in operation.

Description

Technical Field

[0001] This utility model specifically relates to a synchronously lifting and moving material cart, belonging to the technical field of metal dry powder transfer equipment. Background Technology

[0002] In the processing of micron-sized metal dry powders (such as silver powder and copper powder used in the photovoltaic industry), the powder needs to be transferred between various processes during shaping and grading. The height difference between the inlet and outlet of each process equipment necessitates extremely strict foreign matter control. Because impurities cannot be allowed to mix into the powder, many conveying methods are unsuitable for this situation. For example, pneumatic conveying carries the risk of introducing foreign matter from the filter element during subsequent air-powder separation; tubular chain conveying carries the risk of introducing foreign matter due to metal friction. Using mobile material carts for transfer completely avoids this risk and is currently the most commonly used method.

[0003] Traditional mobile material carts require external tools to compensate for the height difference between the inlet and outlet, typically platform lifting devices or hoisting devices. The problems are as follows: ① These devices require significant external space, making them difficult to implement in many confined spaces; ② They add the step of fixing the cart before lifting it, complicating the process; ③ The device is required at every connection point, increasing overall construction costs. Utility Model Content

[0004] The main purpose of this utility model is to provide a synchronously lifting and moving material cart with a simple structure and smooth lifting. Within its travel range, it can compensate for the height difference between the inlet and outlet of the equipment. It does not require an additional platform lifting device or hoisting device, thus avoiding a series of problems such as large equipment space occupation, complicated operation procedures, and high facility construction costs. It ensures flexible and convenient material transfer and can be applied to various dry powder processing production lines. With the help of AGVs, motors, etc., it can achieve automation, thereby overcoming the shortcomings of the existing technology.

[0005] To achieve the aforementioned objectives, the technical solution adopted by this utility model includes:

[0006] This utility model embodiment provides a synchronously lifting mobile material cart, which includes: a hopper, a mobile support, and a synchronous lifting structure. The synchronous lifting structure is mounted on the mobile support and includes x worm gear assemblies, x lifting screws, (x-1) transmission structures, and an operating handwheel. The x worm gear assemblies are distributed around the hopper. The x worm gear assemblies are sequentially connected via (x-1) transmission structures to form a semi-open first annular structure. The operating handwheel is connected to one of the worm gear assemblies located at the first or last end. The x lifting screws are arranged in parallel, and each lifting screw is connected to one of the worm gear assemblies. The hopper is connected to the x lifting screws. When the operating handwheel is rotated, the x worm gear assemblies convert the rotational motion of the operating handwheel into the lifting motion of the lifting screws. The hopper and the x lifting screws lift synchronously, where x ≥ 3.

[0007] Compared with the prior art, the advantages of this utility model include:

[0008] This utility model provides a synchronously lifting mobile material cart. The lead screw of the synchronous lifting structure is placed inside the support leg, minimizing its own space occupation. At the same time, the worm gear combination has the advantages of smooth operation and labor-saving execution, which is consistent with the requirements of silo lifting. This allows the synchronously lifting mobile material cart to also have the characteristics of smooth lifting and labor-saving operation. This utility model also provides a synchronously lifting mobile material cart with the advantage of low cost, which greatly reduces the construction cost of the facility.

[0009] The present invention provides a synchronously lifting and moving material cart that can maximize the space utilization of the production line, simplify the lifting and moving process during dry powder transfer, reduce the cost of production line construction, and realize the movement of dry powder between upstream and downstream processes in narrow spaces. In addition, the synchronously lifting and moving material cart provided by the present invention has smooth lifting and moving during operation and higher reliability. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a side view of a synchronously lifting and moving material cart provided in a typical embodiment of this utility model;

[0012] Figure 2This is a front view of a synchronously lifting and moving material cart provided in a typical embodiment of this utility model;

[0013] Figure 3 This is a schematic diagram of a synchronous lifting structure provided in a typical embodiment of this utility model;

[0014] Figure 4 This is a schematic diagram of the overall structure of a synchronously lifting and moving material cart provided in a typical embodiment of this utility model. Detailed Implementation

[0015] In view of the shortcomings of the prior art, the inventor of this case, through long-term research and extensive practice, has come up with the technical solution of this utility model. The following will further explain the technical solution, its implementation process, and its principles.

[0016] This utility model embodiment provides a synchronously lifting mobile material cart, which includes: a hopper, a mobile support, and a synchronous lifting structure. The synchronous lifting structure is mounted on the mobile support and includes x worm gear assemblies, x lifting screws, (x-1) transmission structures, and an operating handwheel. The x worm gear assemblies are distributed around the hopper. The x worm gear assemblies are sequentially connected via (x-1) transmission structures to form a semi-open first annular structure. The operating handwheel is connected to one of the worm gear assemblies located at the first or last end. The x lifting screws are arranged in parallel, and each lifting screw is connected to one of the worm gear assemblies. The hopper is connected to the x lifting screws. When the operating handwheel is rotated, the x worm gear assemblies convert the rotational motion of the operating handwheel into the lifting motion of the lifting screws. The hopper and the x lifting screws lift synchronously, where x ≥ 3.

[0017] Furthermore, the transmission structure includes a transmission shaft and two couplings. The two couplings are arranged at both ends of the transmission shaft along the axial direction of the transmission shaft and are connected to the transmission shaft in a driving manner. The couplings are also connected to the worm gear assembly in a driving manner.

[0018] Furthermore, the coupling is a plum blossom coupling.

[0019] Furthermore, the movable support includes x legs, each leg having casters at its bottom. The x legs are distributed around the hopper. The portion of each leg near its top is a tubular structure. Each worm gear assembly is fixedly mounted on the top of one of the legs. A portion of the lifting screw is disposed within the tubular structure, and the lifting screw is constrained to move only along the axial direction of the tubular structure.

[0020] Furthermore, the movable support also includes (x-1) cross braces, each of which is fixedly connected to one of the legs at both ends, and the (x-1) cross braces together form a semi-open second annular structure.

[0021] Furthermore, the silo includes a silo body, a cover plate, and a gate valve. The silo body is provided with an inlet and an outlet. The gate valve is provided on the silo body and is used to open and close the outlet. The cover plate is detachably provided on the inlet of the silo body and forms a receiving chamber with the silo body.

[0022] Furthermore, the main body of the silo has a conical structure.

[0023] Furthermore, the cover plate is also provided with a crushing tool.

[0024] Furthermore, x lugs are fixedly installed on the main body of the hopper, and the x lugs are spaced apart along the circumference of the main body of the hopper. Each lug is fixedly connected to a lifting screw.

[0025] Furthermore, a support base is fixedly provided at the top of each of the lifting screws, and the ear seat is fixedly connected to the support base.

[0026] The following will further explain the technical solution, its implementation process and principle in conjunction with the accompanying drawings and specific implementation examples. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other illustrations can be obtained from these drawings without creative effort. Unless otherwise specified, the worm gear combination, crushing tool, drive shaft, plum blossom coupling, gate valve, caster and other components used in the embodiments of this utility model are all known in the art and can be obtained commercially. No specific product models are limited here.

[0027] For a more specific implementation case, please refer to Figure 1 A synchronously lifting mobile material cart includes a hopper, a mobile support frame, and a synchronous lifting structure 7. The synchronous lifting structure 7 is mounted on the mobile support frame, and the hopper is mounted on the synchronous lifting structure 7. The synchronous lifting structure 7 can drive the hopper to lift and lower so that the inlet and outlet 6 of the hopper are sealed and connected with the upstream and downstream process equipment.

[0028] Please refer to the following for details. Figures 1-4Taking x=4 as an example, the synchronous lifting structure 7 includes four worm gear assemblies 12, four lifting screws 13, three transmission structures, and an operating handwheel 16. The four worm gear assemblies 12 are distributed around the hopper. The four worm gear assemblies 12 are sequentially connected through the three transmission structures to form a semi-open annular structure. The operating handwheel 16 is connected to one of the worm gear assemblies 12 located at the first or last end. The four lifting screws 13 are arranged in parallel, and each lifting screw 13 is connected to one of the worm gear assemblies 12. The hopper is fixedly connected to the four lifting screws 13. By rotating the operating handwheel 16, the four worm gear assemblies 12, the three transmission structures, and the lifting screws 13 convert the rotational motion of the operating handwheel 16 into the lifting motion of the hopper. It should be noted that the four worm gear assemblies 12 are sequentially connected through the three transmission structures to form a semi-open annular structure. The opening on one side allows the synchronously lifting and moving material cart to coordinate with other equipment to achieve equipment alignment.

[0029] For details, please refer to the following document again. Figure 3 The operating handwheel 16 is connected to the worm gear assembly 12 located at the first or last end, and the hopper is fixedly connected to the lifting screw 13. By operating the operating handwheel 16, the hopper and the screws 13 of the four worm gear assemblies are raised and lowered synchronously. More specifically, the worm gear assembly 12 includes a worm wheel and a worm, which are connected by a drive mechanism. The worm wheel is also connected to the lifting screw 13. The four worms of the four worm gear assemblies 12 are sequentially connected by a transmission structure. The operating handwheel 16 is fixedly connected to the worm of one of the worm gear assemblies 12 located at the first or last end. By rotating the operating handwheel 16, the four worms can be made to rotate synchronously around their own axes. The worm drives the worm wheel to rotate, and the worm wheel then drives the gears that are paired with it to rotate, thereby amplifying the torque and transmitting it to the lifting screw 13, so that the four lifting screws 13 are raised and lowered synchronously. That is, during the lifting process, the four lifting screws 13 are raised at the same speed, ensuring the stability of the hopper during the lifting process. It should be noted that the specific structures of the worm gear, worm, and lead screw, as well as their connection methods, are known in the art and are not specifically limited here. For more details, please refer to [link to relevant documentation]. Figure 3 Each transmission structure includes a transmission shaft 15 and two couplings 14. The two couplings 14 are arranged at both ends of the transmission shaft 15 along its axial direction and are connected to the transmission shaft 15 for transmission. The couplings 14 are connected to the worm gear drive of the worm gear combination 12. One set of worm gear combination 12 is driven by the operating handwheel 16. The transmission structure distributes the driving force to the other sets of worm gear combination 12, controlling the synchronous lifting of the four sets of lifting screws 13. Preferably, the couplings 14 are splice couplings. More specifically, a support base 11 is provided on the top of the lifting screw 13. The hopper is fixedly connected to the support base 11. It should be noted that the area of ​​the support base 11 is larger than the cross-sectional area of ​​the screw, which can improve the connection strength between the screw and the hopper.

[0030] For details, please refer to the following document again. Figure 1 and Figure 4 The mobile support includes four legs 3, four casters 4, and three cross braces 24. The four legs 3 are arranged around the hopper and are fixedly connected by the three cross braces 24, forming a semi-open ring structure. Each caster 4 is correspondingly located at the bottom of one leg 3. More specifically, each end of each cross brace 24 is fixedly connected to two adjacent legs 3, and the connection position between the cross brace 24 and the leg 3 is located near the bottom of the leg 3. Preferably, the three cross braces 24 are located in the same plane. It should be noted that by setting cross braces 24 between the legs 3, the overall structural strength of the mobile support can be improved, ensuring that the legs 3 will not tilt due to torque during the lifting and lowering process of the hopper with the synchronous lifting structure 7. At the same time, no cross brace is set between two adjacent legs 3, making the mobile support present a semi-open ring structure. The reserved opening on one side allows the synchronously lifting mobile trolley to cooperate with other equipment to achieve equipment alignment when moving. More specifically, the opening formed between the two legs 3 without cross braces is located on the same side as the opening formed without the transmission structure.

[0031] Specifically, the portion of the outrigger 3 near its top is a tubular structure. Each worm gear assembly 12 is fixed to the top of one leg 3. The portion of the lifting screw 13 near its bottom is housed within the tubular structure. The lifting screw 13 is constrained to move only along the axial direction of the tubular structure. A telescopic bellows cover is installed on the exterior of the portion of the lifting screw 13 outside the outrigger 3 (i.e., the portion near its top). This telescopic bellows cover does not affect the lifting of the lifting screw 13 and can protect the lifting screw 13, isolating it from foreign objects to ensure long-term stable operation. The outrigger 3 can be a hollow tube, with the length direction accuracy ensured by machining the end face. The hollow portion allows the lifting screw 13 to move within it. Casters 4 are installed on the lower end face of the outrigger 3 to achieve planar movement. The cross brace can be a rectangular tube, etc.

[0032] For details, please refer to the following document again. Figure 1 and Figure 2 The silo includes a silo body 22, a cover plate 1 / 8, and a gate valve 5. The silo body 22 has an inlet and an outlet 6. The gate valve 5 is located on the silo body 22 and is used to open and close the outlet 6. The cover plate 1 / 8 is detachably mounted on the inlet of the silo body 22 and, together with the silo body 22, forms a receiving chamber. For example, the silo body 22 is generally conical in shape, and the gate valve 5 can be a knife gate valve, etc. For more details, please refer to [link / reference needed]. Figure 1 and Figure 2The cover plate l / 8 is also equipped with a crushing tool 9, which is used for coarse crushing of agglomerated powder. Preferably, the inlet and outlet ports 6 of the hopper body 22 are quick-connect interfaces for quick docking with the equipment, and different crushing tools 9 can be installed on the top for coarse crushing of agglomerated powder. Specifically, by controlling the size of the hopper body 22, it can be ensured that the hopper body 22 does not interfere with the synchronous lifting structure 7 during the lifting process, and by controlling the angle of the conical section of the hopper body 22, it can be ensured that the dry powder does not accumulate in the hopper body 22. More specifically, four ear seats 23 are also fixedly installed on the hopper body 22. The four ear seats 23 are arranged at intervals along the circumference of the hopper body 22, and each ear seat 23 is fixedly connected to the support base 11 at the top of the lead screw. More specifically, the upper part of the hopper body 22 is cylindrical and the lower part is conical. In alternative embodiments, the shape of the hopper body 22 is not limited to this.

[0033] The working process of a synchronously lifting and moving material cart provided in this embodiment of the utility model includes:

[0034] First, rotate the operating handwheel to lower the hopper to its lowest point along with the lifting screw;

[0035] The second step is to push the synchronously lifting and moving material cart into the lower end of the discharge port of the previous process equipment;

[0036] Third step, rotate the operating handwheel to adjust the hopper to the appropriate height, and connect the quick-connect soft connection between the hopper and the previous process equipment;

[0037] Fourth step: Open the discharge valve of the previous process equipment to release the dry powder into the silo, and then close the discharge valve;

[0038] The fifth step is to unload the flexible connection and move the synchronously lifting and moving material cart to the vicinity of the equipment in the next process.

[0039] Step 6: Rotate the handwheel to raise the hopper to its highest point along with the screw.

[0040] Step 7: Push the synchronously lifting and moving material cart into the upper part of the feed inlet of the subsequent process equipment;

[0041] Step 8: Rotate the handwheel to adjust the hopper to the appropriate height and connect the quick-connect flexible connection between the material cart and the equipment in the next process.

[0042] Step 9: Open the discharge valve of the silo to release the dry powder to the subsequent process equipment, and then close the discharge valve.

[0043] Step 10: Unload the flexible connection and move the synchronously lifting and lowering mobile material cart to the vicinity of the previous process equipment.

[0044] Compared to traditional platform lifting devices and hoisting devices, this utility model provides a synchronously lifting mobile material cart, which achieves stable lifting and lowering of the mobile material cart itself, completing the transfer between processes of the micron-level metal dry powder equipment, optimizing the spatial layout of equipment within the production line, and simplifying the operation process.

[0045] Traditional platform lifting devices and hoisting devices occupy a significant amount of space. Platform lifting devices require an operating platform at a specific height for personnel to move to the top of the equipment after reaching the desired height. Traditional hoisting devices, after lifting to the appropriate height, need to be moved horizontally across the equipment. Compared to these two traditional methods, the synchronously lifting and moving material cart provided in this embodiment requires no additional space. During the lifting operation, traditional hoisting devices require multiple suspension points and adjustment of the center of gravity, making the operation process complex. The synchronously lifting and moving material cart provided in this embodiment achieves four-point synchronous and stable lifting and lowering through its own synchronous lifting structure, which can be completed simply by adjusting the operating handwheel, simplifying the operation process.

[0046] This utility model provides a synchronously lifting mobile material cart. The lead screw of the synchronous lifting structure is placed inside the support leg, minimizing its own space occupation. At the same time, the worm gear combination has the advantages of smooth operation and labor-saving execution, which is consistent with the requirements of silo lifting. This allows the synchronously lifting mobile material cart to also have the characteristics of smooth lifting and labor-saving operation. This utility model also provides a synchronously lifting mobile material cart with the advantage of low cost, which greatly reduces the construction cost of the facility.

[0047] The present invention provides a synchronously lifting and moving material cart that can maximize the space utilization of the production line, simplify the lifting and moving process during dry powder transfer, reduce the cost of production line construction, and realize the movement of dry powder between upstream and downstream processes in narrow spaces. In addition, the synchronously lifting and moving material cart provided by the present invention has smooth lifting and moving during operation and higher reliability.

[0048] It should be understood that the above embodiments are merely illustrative of the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A synchronously lifting and moving material cart, characterized in that, include: The system comprises a hopper, a movable support, and a synchronous lifting structure. The synchronous lifting structure is mounted on the movable support and includes x worm gear assemblies, x lifting screws, (x-1) transmission structures, and an operating handwheel. The x worm gear assemblies are distributed around the hopper and are sequentially connected via (x-1) transmission structures to form a semi-open first annular structure. The operating handwheel is connected to one of the worm gear assemblies located at the beginning or end. The x lifting screws are arranged in parallel, and each lifting screw is connected to one of the worm gear assemblies. The hopper is connected to the x lifting screws. When the operating handwheel is rotated, the x worm gear assemblies convert the rotational motion of the operating handwheel into the lifting motion of the lifting screws. The hopper and the x lifting screws move synchronously, where x ≥ 3.

2. The synchronously lifting and moving material cart according to claim 1, characterized in that: The transmission structure includes a transmission shaft and two couplings. The two couplings are arranged at both ends of the transmission shaft along the axial direction of the transmission shaft and are connected to the transmission shaft in a driving manner. The couplings are also connected to the worm gear assembly in a driving manner.

3. The synchronously lifting and moving material cart according to claim 2, characterized in that: The coupling is a plum blossom coupling.

4. The synchronously lifting and moving material cart according to claim 1 or 2, characterized in that: The movable support includes x legs, each with a caster wheel at its bottom. The x legs are distributed around the hopper. The portion of each leg near its top is a tubular structure. Each worm gear assembly is fixedly mounted on the top of one of the legs. A portion of the lifting screw is disposed within the tubular structure, and the lifting screw is constrained to move only along the axial direction of the tubular structure.

5. The synchronously lifting and moving material cart according to claim 4, characterized in that: The movable support also includes (x-1) cross braces, each of which is fixedly connected to one of the legs at both ends. The (x-1) cross braces together form a semi-open second ring structure.

6. The synchronously lifting and moving material cart according to claim 1, characterized in that: The silo includes a silo body, a cover plate, and a gate valve. The silo body is provided with an inlet and an outlet. The gate valve is provided on the silo body and is used to open and close the outlet. The cover plate is openably provided on the inlet of the silo body and forms a receiving chamber with the silo body.

7. The synchronously lifting and moving material cart according to claim 6, characterized in that: The main body of the silo has a conical structure.

8. The synchronously lifting and lowering mobile material cart according to claim 6, characterized in that: The cover plate is also equipped with a crushing tool.

9. The synchronously lifting and moving material cart according to claim 6, characterized in that: The hopper body is also fixedly provided with x lugs, which are spaced apart along the circumference of the hopper body. Each lug is fixedly connected to a lifting screw.

10. The synchronously lifting and moving material cart according to claim 9, characterized in that: Each of the lifting screws is also fixedly provided with a support base at its top end, and the ear seat is fixedly connected to the support base.

Images