Multifunctional pneumatic lift truck
By designing a multi-functional pneumatic lifting vehicle, which utilizes a combination of cylinder-driven telescopic rods and pulleys, the problem of difficult filter cloth replacement in high-energy horizontal filter presses has been solved, realizing automated transportation of filter cloth and reducing labor intensity and costs.
Patent Information
- Application Number
- CN202520334149.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In the mineral processing process, the sealing problem between the filter plates of the high-energy horizontal filter press makes it difficult to replace the filter cloth, resulting in high labor intensity for maintenance personnel. In addition, the filter cloth is transported frequently, over short distances, and in small quantities, and the existing equipment cannot efficiently complete the transportation tasks.
Design a multi-functional pneumatic lifting vehicle that uses a combination of cylinder-driven telescopic rods and pulleys to achieve automated transportation of the lifting platform and simplify the filter cloth replacement and transportation process.
It reduced the workload of maintenance personnel, improved transportation efficiency, reduced labor costs, and ensured the safety and reliability of transportation.
Smart Images
Figure CN223823289U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the material, the dressing, the metallurgy, the foodstuff etc. workshop inside small amount of article up and down conveyer, specifically relates to a kind of multifunctional pneumatic lift truck. BACKGROUND
[0002] In the dressing process, most of the dressing products contain a large amount of water, and too high water content in the concentrate will increase the difficulty of concentrate transportation and increase the cost. In the cold north, the storage and transportation of concentrate containing a large amount of water will freeze, and in the dressing plant lacking of water source, the water in concentrate and tailings needs to be utilized. In order to facilitate storage, transportation and meet the requirements of smelting and utilization of backwater in dressing plant, most of the water in concentrate needs to be removed. In the filtration and dehydration stage of concentrate workshop, filter press is the key equipment, and its production process includes: compression, feeding, washing, drying and unloading. Except unloading process, the remaining processes need to ensure that the filter press is in airtight pressure maintaining state, and the seal between filter plates of high-energy horizontal filter press is completed by mutual extrusion of filter cloth. However, during the production and operation of high-energy horizontal filter press, various situations often occur, such as mineral and water spouting between filter plates, air leakage, and filter cloth sealing surface sticking mineral. In order to ensure the efficiency of mineral passing through filter press, filter press needs to be checked and maintained daily, and damaged filter cloth and sealing ring need to be replaced in time. The operating personnel need to go up and down the stairs to transport new and old filter cloth, and the amount of filter cloth replacement is large every day. In addition, the filter cloth needs to be carried up to the 2-meter-high maintenance platform by shoulder carrying method, and the waste filter cloth needs to be thrown from the maintenance platform to the second floor ground, and then manually carried to the waste filter cloth area by the maintenance personnel. The labor intensity of the maintenance personnel is large. CONTENT OF THE UTILITY MODEL
[0003] In view of the characteristics of frequent transportation of new and old filter cloth in workshop by operating personnel, small amount, multiple times and short distance, the utility model provides a multifunctional pneumatic lift truck, which has the advantages of simple operation, low cost, energy saving and reliability.
[0004] A multifunctional pneumatic lift truck, comprising a base, a fixed frame, a lifting frame, and a lifting platform, the base is provided with a fixed frame on both sides, the lifting frame is arranged on the upper part of the fixed frame, the first pulley block is fixed at the bottom end of the lifting frame, the inner side of the fixed frame is provided with a track, and the first pulley block can slide up and down in the track of the fixed frame; the middle of the base is provided with a pneumatic cylinder, the pneumatic cylinder is provided with a telescopic rod, the top end of the telescopic rod is connected with the lifting platform frame, the second pulley block is fixed on both sides of the lifting platform frame, the lifting frame is provided with a track, and the second pulley block can slide up and down in the track of the lifting frame, the chain pulley block is fixed on the top of the lifting platform frame, the chain pulley block is provided with a chain, one end of the chain is connected with the lifting platform, and the other end of the chain passes through the chain pulley block and is fixed on the fixed frame.
[0005] The telescopic rod is provided with a dust cover. The chain is fixed on the horizontal rod of the fixing frame by bolts. The cylinder is provided with a control box, the control box is connected with a compressed air pipe, and the control box is provided with a control switch. The bottom end of the base is provided with a pulley. The fixing frame is provided with a handrail.
[0006] The utility model discloses a beneficial effect: the utility model provides a multifunctional pneumatic lift truck for the characteristics of the frequent transportation of new and old filter cloth in the workshop of operating personnel, small quantity, many times, short distance etc., the transportation of new and old filter cloth of high energy horizontal pressure filter is convenient, to reduce manual transportation labor intensity, and the device is simple, quick, low in manpower, physical cost, high in reliability and safety. BRIEF DESCRIPTION OF DRAWINGS
[0007] Figure 1 It is multifunctional pneumatic lift truck structure schematic diagram of the utility model;
[0008] In the drawing: 1 - fixed frame, 2 - handrail, 3 - cylinder, 4 - control box, 5 first pulley group, 6 - bolt, 7 - chain, 8 - lifting frame, 9 - telescopic rod, 10 - second pulley group 11 - chain pulley group, 12 - lifting platform, 13 - dust cover, 14 - base, 15 - lifting platform frame. SPECIFIC EMBODIMENT
[0009] The utility model will be further described in connection with the drawings:
[0010] As Figure 1 Shown, a kind of multifunctional pneumatic lift truck, including base 14, fixed frame 1, lifting frame 8, lifting platform 12.Base 14 both sides are provided with fixed frame 1, and fixed frame 1 upper portion is provided with lifting frame 8, and the bottom of lifting frame 8 is fixed with first pulley group 5, and the inner side of fixed frame 1 is equipped with track, and first pulley group 5 can slide up and down in the track of fixed frame 1;Base 14 middle is equipped with cylinder 3, and cylinder 3 is equipped with telescopic rod 9 in. Telescopic rod 9 top end is connected with the lifting platform frame 15 of lifting platform 12, and the both sides of lifting platform frame 15 are fixed with second pulley group 10, and lifting frame 8 is equipped with track, and second pulley group 10 can slide up and down in the track of lifting frame 8, and the top of lifting platform frame 15 is fixed with chain pulley group 11, and chain pulley group 11 is equipped with chain 7, and chain 7 one end is connected with lifting platform 12, and the other end passes through chain pulley group 11 and is fixed in fixed frame 1, and chain 7 is fixed on the horizontal rod of fixed frame 1 by bolt 6.
[0011] Telescopic rod 9 is provided with dust cover 13 outside. Cylinder 3 is provided with control box 4, and control box 4 is connected with compressed air pipe, and the control box is provided with control switch. The bottom end of base 14 is provided with pulley, and the fixing frame 1 is provided with handrail 2.
[0012] The telescopic rod 9 is arranged in the cylinder 3, and is driven to move up and down by compressed air, and drives the lifting frame 8 and the chain pulley set 11 to move up and down, the first pulley set 5 welded at the bottom of the lifting frame 8 moves up and down on the internal track of the fixed frame 1, so as to control the stability of the lifting frame during movement and reduce the friction with the fixed frame, one end of the chain 7 in the chain pulley set 11 is connected with the lifting platform 12, and the other end is connected with the fixed frame 1 through the bolt 6, the chain pulley set 11 moves up and down, so that the chain 7 drives the lifting platform 12 to move up and down, the internal track is arranged at the two sides of the lifting frame 8, so that the second pulley set 10 welded on the lifting platform 12 moves in the lifting frame 8, so as to ensure the stability of the lifting platform 12 and reduce the relative movement friction between the lifting platform 12 and the lifting frame 8, the handrails 2 are arranged at the two sides of the fixed frame 1, so as to facilitate the movement of the operator to start the lifting vehicle, the telescopic rod 9 is provided with a dustproof sleeve 13, so as to prevent the external dust from affecting the transmission part and prolong the service life, and the control box 4 includes one external compressed air pipe in addition to the control switch.
[0013] The starting use state is that the first pulley set 5 is arranged at the bottom of the main sliding rail of the lifting frame 8, the second pulley set 10 is arranged at the bottom of the sliding rail of the fixed frame 1, and the lifting platform 12 is arranged at the bottom of the fixed frame, the operator holds the handrails 2 and pushes the multifunctional pneumatic lifting vehicle to the working position, the air pipe in the control box 4 is connected with the compressed air source (the compressed air is contained in the filter press program), and the switch is opened, the cylinder 3 drives the telescopic rod 9 in the cylinder to move upwards, the top of the telescopic rod 9 drives the lifting frame 8 and the chain pulley set 11 to move upwards, the chain pulley set 11 drives the chain 7 on the pulley to move upwards, one end of the chain 7 is fixed to the fixed frame 1, the chain 7 cannot drive the fixed frame 1 to move, the other end of the chain 7 is fixed to the lifting platform 12, under the driving of the chain 7, the lifting platform 12 slowly rises, finally moves to about 2.5 m from the top, the operator pushes the lifting vehicle forward by the handrails, the lifting platform 12 enters the second layer of the maintenance platform, the operator unloads the new filter cloth arranged on the lifting platform, then places the old filter cloth removed from the filter press on the lifting platform, lowers the lifting platform 12, and then the operator transports the filter cloth on the pneumatic lifting vehicle to the designated storage point by the handrails. The above device constitutes the whole multifunctional pneumatic lifting vehicle, and bears the lifting and transportation of spare parts and materials in the factory building.
Claims
1. A multi-functional pneumatic lifting vehicle, characterized in that: The system includes a base, a fixed frame, a lifting frame, and a lifting platform. Fixed frames are installed on both sides of the base, and a lifting frame is installed on top of the fixed frames. A first pulley assembly is fixed to the bottom of the lifting frame, and a track is provided inside the fixed frame, allowing the first pulley assembly to slide up and down within the track. A cylinder is located in the middle of the base, and a telescopic rod is installed inside the cylinder. The top of the telescopic rod is connected to the lifting platform frame of the lifting platform. Second pulley assemblies are fixed on both sides of the lifting platform frame, and a track is provided on the lifting frame, allowing the second pulley assemblies to slide up and down within the track. A chain pulley assembly is fixed to the top of the lifting platform frame, with a chain on the chain pulley assembly. One end of the chain is connected to the lifting platform, and the other end passes through the chain pulley assembly and is fixed to the fixed frame.
2. The multi-functional pneumatic lifting vehicle according to claim 1, characterized in that: The telescopic rod is covered with a dust cover.
3. The multi-functional pneumatic lifting vehicle according to claim 1, characterized in that: The chain is fixed to the crossbar of the fixing frame by bolts.
4. The multi-functional pneumatic lifting vehicle according to claim 1, characterized in that: The cylinder is equipped with a control box, which is connected to a compressed air pipe. The control box is equipped with a control switch.
5. The multi-functional pneumatic lifting vehicle according to claim 1, characterized in that: The base is equipped with pulleys at its bottom.
6. The multi-functional pneumatic lifting vehicle according to claim 1, characterized in that: The fixed frame is equipped with handrails.