Anti-falling device for guide rail type hydraulic lifting platform

Abstract

The invention discloses an anti-falling device for a guide rail type hydraulic lifting platform, and aims to solve the potential safety hazard that in the prior art, a lifting platform lacks effective protection measures, and falling or goods falling easily occurs. The device comprises a guide frame, a lifting piece, a bearing piece, a lifting hydraulic rod, a locking component and the like, and through reasonable configuration and cooperative work, it is ensured that the lifting table is stable and reliable in the vertical lifting process. The lifting piece slides in the guide frame through the guide wheels, and goods are effectively protected through the expansion frame and the lifting rod. The locking component is precisely matched, so that the position deviation and falling of the lifting platform in the lifting process are avoided; and meanwhile, through the design of the bearing piece and the moving piece, stable fixing of the goods is ensured, and the safety of goods loading and unloading is improved. Compared with the prior art, the safety, the stability and the working efficiency of the lifting platform are remarkably improved, and the lifting platform is suitable for the fields of logistics storage, the manufacturing industry, high-altitude operation and the like.

Description

Technical Field

[0001] The invention belongs to the technical field of hydraulic lifting equipment, and in particular relates to an anti-falling device for a guide rail type hydraulic lifting platform. Background Art

[0002] The guide rail hydraulic lift is a mechanical device that uses a hydraulic system to provide power and guides the vertical lifting movement through a guide rail. It is widely used in logistics warehousing, manufacturing, construction sites and other fields for tasks such as cargo loading and unloading, material handling and aerial work. The guide rail hydraulic lift is a device that drives the platform up and down along a fixed guide rail through a hydraulic cylinder to complete the lifting operation. In the prior art, the guide rail hydraulic lift is usually used to lift and lower goods through a lifting frame and a lifting platform, but there are still some problems in the protection and stability of the lifting platform.

[0003] For example, the existing technical solution with announcement number CN219058441U is named "A guide rail hydraulic lift platform". This solution can effectively protect personnel and goods and prevent goods from falling by setting a lifting frame, a lifting platform, a protective frame, an adjustment plate, an adjustment rope and a limiting mechanism. Specifically, by pulling the adjustment rope and moving the position of the adjustment plate, the goods can be effectively protected and limited, and the adjustment rope is fixed by the limiting mechanism to prevent the adjustment plate from shaking, thereby ensuring the stability of the goods. However, the existing design still has certain safety hazards, especially after the lifting platform reaches the required height, there is a lack of an anti-falling device for limiting and locking on the guide rail, and the stability of the lifting platform on the guide rail relies on the support of a single hydraulic system. There is a risk of the lifting platform falling, which affects the safety of the use of the lifting platform.

[0004] In addition, most of the existing protective measures are to prevent cargo from falling through protective racks, guardrails and other devices, but these measures cannot effectively cope with complex working conditions such as high cargo accumulation or rapid lifting. In the case of unstable center of gravity or uneven load distribution, traditional protective devices often cannot provide sufficient support, which can easily lead to cargo instability or even falling accidents. Summary of the invention

[0005] In view of the problems existing in the prior art, the purpose of the present invention is to provide an anti-fall device for a rail-type hydraulic lifting platform, which can provide stronger protection capabilities during the lifting process of the lifting platform while ensuring stable and safe transportation of goods.

[0006] To achieve the above object, the present invention provides the following technical solutions: A fall prevention device for a rail-type hydraulic lifting platform comprises a guide frame, a lifting member, a bearing member, a lifting hydraulic rod and a locking member. The guide frame is vertically fixed and the lifting member is vertically slidably arranged inside the guide frame. The bearing member is arranged on one side end face of the lifting member, and the bearing member is used to carry people or goods. A lifting hydraulic rod is vertically fixed on the lower side of the inner part of the guide frame, and the top end of the lifting hydraulic rod is fixedly connected to the bottom end of the lifting member. The locking member is arranged on the other side end face of the lifting member, and the locking member is used to position the lifting member on the guide frame.

[0007] Furthermore, the lifting member includes a lifting frame, which is vertically arranged in the guide frame, and both sides of the lifting frame are horizontally rotatably connected with guide wheels, the guide wheels on the lifting frame are pressed against the slideway of the guide frame, and two guide hole frames are symmetrically and horizontally arranged on one side of the lifting frame close to the bearing member, one end of the two guide hole frames is fixed on the vertical end face of the lifting frame, and locking holes are horizontally opened on the vertical end face of the guide hole frame, and multiple locking holes are horizontally arranged on the guide hole frame.

[0008] Furthermore, the supporting member includes a supporting platform and a movable member. The supporting platform is horizontally arranged above the two guide hole frames, and the movable member is horizontally arranged below the supporting platform. Sliding rods are symmetrically and vertically fixed on both sides of the top surface of the supporting platform, and guide cylinders are symmetrically and vertically fixed on both sides of the top surface of the supporting platform. Screws are vertically arranged on both sides of the top surface of the supporting platform, and the bottom ends of the screws are rotatably connected to the top surface of the supporting platform.

[0009] Furthermore, the moving part includes a moving frame, which is horizontally fixed under the supporting platform, and the vertical end faces on both sides of the moving frame are rotatably connected with moving wheels, and the moving wheels are rollingly installed in the guide hole frame, horizontal hydraulic rods are horizontally fixed on both sides of the supporting platform, and the other end of the horizontal hydraulic rods is fixed on the moving frame, a double-headed motor is horizontally fixed in the middle of the moving frame, and guide holes are opened through the middle of the vertical end faces on both sides of the moving frame.

[0010] Furthermore, guide screw barrels are installed in the guide holes of the movable frame for horizontal sliding guides, studs are fixed horizontally at the output ends of the double-headed motors, and the studs are threadedly assembled and connected to the guide screw barrels, and an insertion column is horizontally arranged at the other end of the guide screw barrel, and the insertion column at the end of the guide screw barrel is inserted into the locking hole of the guide hole frame.

[0011] Furthermore, expansion racks are vertically arranged on both sides of the top surface of the supporting platform, and sliding tubes are vertically fixed on both sides of the expansion racks, and the sliding tubes on the expansion racks are vertically slidably assembled in the sliding rods, an insertion rod is vertically fixed on the bottom surface of the expansion rack, and the insertion rod on the expansion rack is slidably inserted into the guide tube, a screw hole frame is vertically fixed on the middle of the bottom surface of the expansion rack, and the screw hole frame and the screw thread are assembled through, and a screw hole strip is horizontally fixed on the top surface of the expansion rack.

[0012] Furthermore, a lifting rod is vertically fixed in the middle of both end surfaces of the supporting platform, and a hole bar is assembled on the lifting rod for sliding through, a lifting spring is vertically sleeved on the upper part of the lifting rod, and the two ends of the lifting spring are respectively fixed on the top end of the lifting rod and the top surface of the hole bar, a plurality of steel cables are vertically fixed on the top surface of the hole bar, and the other ends of the plurality of steel cables are rotatably connected with bolts, and the bolt threads are assembled on the screw hole bar.

[0013] Furthermore, the locking component includes a first locking component, which includes a guide plate, which is fixed on the other end face of the lifting frame, and sliding bars are horizontally fixed on both sides of the vertical end face of the outer side of the guide plate, and sliding groove frames are horizontally slidably assembled on the sliding bars, and a locking rod is horizontally fixed on the front end face of the sliding groove frame.

[0014] Furthermore, a locking motor is horizontally fixed in the middle of the guide plate, and an eccentric wheel is fixed at the output end of the locking motor. A pull rod is provided on the eccentric wheel, and both ends of the pull rod are rotatably connected to the eccentric shaft and the slide frame on the eccentric wheel respectively. A first locking hole plate is vertically fixed on the vertical side end surfaces on both sides of the guide frame, and multiple first locking hole plates are evenly arranged on the guide frame along the vertical direction, and the first locking hole plate is plugged into the locking rod.

[0015] Furthermore, the locking component includes a second locking component, which includes a swivel rod plate, which is fixed to the other end face of the lifting frame, and rod seats are horizontally fixed on both sides of the vertical end face of the outer side of the swivel rod plate, two deflection plates are arranged on the outer side of the swivel rod plate, and swivel blocks are fixed on the middle parts of the side end faces of the two deflection plates close to the swivel rod plate, the swivel blocks on the deflection plates are rotatably connected to the rod seat, and a hinge rod is fixed at one end of the deflection plate, and a positioning rod is fixed at the other end of the deflection plate, a deflection hydraulic rod is fixed through the middle part of the swivel rod plate, and a hole block is fixed at the output end of the deflection hydraulic rod, and both sides of the hole block are rotatably connected to the hinge rod at the end of the deflection plate, second locking hole plates are vertically fixed on the vertical side end faces of both sides of the guide frame, and multiple second locking hole plates are evenly arranged on the guide frame along the vertical direction, and the second locking hole plates are plugged into the positioning rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects: First, in the prior art, the guide rail type hydraulic lifting platform lacks an effective anti-falling device, especially after lifting to the required height, the lifting platform lacks a stable limit locking component, resulting in a certain risk of falling of the lifting platform, which seriously affects the safety of use. In order to overcome this problem, the present invention designs a locking component, and through the locking cooperation between the lifting frame and the guide frame, ensures that the lifting part can run stably on the guide rail. The locking component includes a first locking component and a second locking component. Through the design of the locking motor, eccentric wheel, pull rod and locking rod, etc., the position of the lifting platform can be accurately controlled to avoid displacement or falling during the lifting process, which greatly improves the safety of the hydraulic lifting platform.

[0017] Secondly, in the prior art, although the lifting platform is driven by a lifting hydraulic rod to perform lifting operations, the lifting platform lacks effective protection measures for the goods during the lifting process, and the goods are prone to fall during the lifting process, especially during high-altitude operations or cargo loading and unloading, which can easily cause personal injury or damage to items. In order to solve this problem, the present invention designs an anti-fall device including multiple components such as a bearing member, a guide member and a locking device. The bearing member effectively carries the goods by cooperating with the lifting member, and through the synergistic effect of components such as the extension frame and the lifting rod, the stable fixation and protection of the goods are achieved. At the same time, structures such as steel cables and slide frames are used, and the safety of the goods from sliding or falling during the lifting process is further improved through the coordinated use of mechanical and hydraulic controls.

[0018] In addition, in the prior art, when the lifting platform is lifted and lowered on the guide rail, there is still a certain vibration or shaking phenomenon, resulting in poor precision and stability of the lifting platform. In response to this problem, the present invention ensures the smooth sliding of the lifting member in the guide rail by designing components such as the guide screw, the slide frame, and the guide wheel, thereby eliminating the risk of vibration and shaking. In addition, through the cooperation of the slide frame and the locking hole, the lifting frame can be effectively prevented from accidentally moving, further enhancing the overall stability and working precision of the lifting platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the present invention; Figure 2 It is a schematic diagram of the structure of the first embodiment of the present invention in an exploded state; Figure 3 It is a schematic structural diagram of a guide frame in a disassembled state according to an embodiment of the present invention; Figure 4 It is a schematic structural diagram of a lifting member in a disassembled state in an embodiment of the present invention; Figure 5 It is a schematic structural diagram of the first locking member in the first embodiment of the present invention in a disassembled state; Figure 6 It is a schematic structural diagram of a bearing component in a disassembled state according to an embodiment of the present invention; Figure 7 It is a schematic structural diagram of a moving part in an exploded state in an embodiment of the present invention; Figure 8 is a schematic diagram of the overall structure of the second embodiment of the present invention; Fig. 9 Schematic diagram of the structure of the second locking member in the disassembled state according to the second embodiment of the present invention.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Guide frame; 11. First locking hole plate; 12. Second locking hole plate; 2. Lifting member; 21. Lifting frame; 22. Guide wheel; 23. Guide hole frame; 24. Locking hole; 3. Carrying member; 31. Carrying platform; 311. Sliding rod; 312. Guide cylinder; 313. Screw; 32. Moving member; 321. Moving frame; 322. Moving wheel; 323. Double-headed motor; 324. Stud; 325. Guide hole; 326. Guide screw cylinder; 33. Horizontal hydraulic rod; 34. Expander Display frame; 341, screw hole frame; 342, screw hole strip; 35, lifting rod; 351, lifting spring; 36, hole strip; 37, steel cable; 371, bolt; 4, lifting hydraulic rod; 5, first locking member; 51, guide plate; 52, slide bar; 53, locking motor; 54, eccentric wheel; 55, slide slot frame; 56, locking rod; 57, pull rod; 6, second locking member; 61, rotating rod plate; 62, deflection hydraulic rod; 63, hole block; 64, deflection plate; 65, positioning rod. DETAILED DESCRIPTION

[0021] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present invention, and does not strictly limit the scope of protection of the specific claims of the present invention.

[0022] Embodiment 1: refer to Figure 1-Figure 7 As shown, a fall prevention device for a guide rail type hydraulic lifting platform comprises a guide frame 1, a lifting member 2, a bearing member 3, a lifting hydraulic rod 4 and a locking member. The guide frame 1 is vertically fixed, and the lifting member 2 is vertically slidably arranged inside the guide frame 1. The bearing member 3 is arranged on one side end face of the lifting member 2, and the bearing member 3 is used to carry people or goods. A lifting hydraulic rod 4 is vertically fixed on the lower side of the inner part of the guide frame 1, and the top end of the lifting hydraulic rod 4 is fixedly connected to the bottom end of the lifting member 2. The locking member is arranged on the other side end face of the lifting member 2, and the locking member is used to position the lifting member 2 on the guide frame 1.

[0023] The lifting member 2 includes a lifting frame 21, which is vertically arranged in the guide frame 1, and both sides of the lifting frame 21 are horizontally connected with guide wheels 22, which are pressed against the slideway of the guide frame 1 to ensure the smooth lifting of the lifting frame 21. Two guide hole frames 23 are symmetrically arranged horizontally on one side of the lifting frame 21 close to the bearing member 3, and one end of the two guide hole frames 23 is fixed on the vertical end surface of the lifting frame 21. A locking hole 24 is horizontally penetrated on the vertical end surface of the guide hole frame 23, and a plurality of locking holes 24 of the guide hole frame 23 are horizontally arranged to cooperate with the locking member to ensure the stable movement of the lifting member in the guide frame.

[0024] The bearing member 3 includes a bearing platform 31 and a moving member 32. The bearing platform 31 is horizontally arranged above the two guide hole frames 23, and the moving member 32 is horizontally arranged below the bearing platform 31. Slide rods 311 are symmetrically and vertically fixed on both sides of the top surface of the bearing platform 31, and guide cylinders 312 are symmetrically and vertically fixed on both sides of the top surface of the bearing platform 31. Screws 313 are vertically arranged on both sides of the top surface of the bearing platform 31, and the bottom ends of the screws 313 are rotatably connected to the top surface of the bearing platform 31. The function of the screw 313 is to drive the extension frame 34 to rise or fall by rotation to achieve the adjustment of the protective height of the goods.

[0025] The moving member 32 includes a moving frame 321, which is horizontally fixed below the bearing platform 31, and the vertical end surfaces on both sides of the moving frame 321 are rotatably connected with moving wheels 322, and the moving wheels 322 are rollingly installed in the guide hole frame 23, so that the bearing platform 31 can move smoothly on the guide rail. Horizontal hydraulic rods 33 are horizontally fixed on both sides of the bearing platform 31, and the other end of the horizontal hydraulic rod 33 is fixed on the moving frame 321, a double-headed motor 323 is horizontally fixed in the middle of the moving frame 321, and guide holes 325 are opened through the middle of the vertical end surfaces on both sides of the moving frame 321.

[0026] exist Figure 6 As shown, a guide screw 326 is installed in the guide hole 325 of the moving frame 321 for horizontal sliding guide, a stud 324 is fixed horizontally at the output end of the double-headed motor 323, and the stud 324 is threadedly assembled and connected with the guide screw 326, and a plug column is horizontally arranged at the other end of the guide screw 326, and the plug column at the end of the guide screw 326 is inserted into the locking hole 24 of the guide hole frame 23. When the plug column is inserted into the locking hole, the bearing platform 31 is locked in the guide frame 23 to ensure the safety of the lifting operation.

[0027] An expansion rack 34 is vertically arranged on both sides of the top surface of the carrier 31, and a slide tube is vertically fixed on both sides of the expansion rack 34, and the slide tube on the expansion rack 34 is vertically slidably assembled in the slide rod 311, and an insertion rod is vertically fixed on the bottom surface of the expansion rack 34, and the insertion rod on the expansion rack 34 is slidably inserted into the guide cylinder 312. A screw hole frame 341 is vertically fixed in the middle of the bottom surface of the expansion rack 34, and the screw hole frame 341 and the screw rod 313 are threadedly assembled, and a screw hole bar 342 is horizontally fixed on the top surface of the expansion rack 34. By adjusting the rotation of the screw rod 313, the lifting and lowering of the expansion rack 34 can be accurately controlled to meet the transportation needs of goods at different heights.

[0028] Lifting rods 35 are vertically fixed in the middle of both end surfaces of the bearing platform 31, and hole strips 36 are slidably penetrated and assembled on the lifting rods 35, and lifting springs 351 are vertically sleeved on the upper part of the hole strips 36, and the two ends of the lifting springs 351 are respectively fixed on the top of the lifting rods 35 and the top surface of the hole strips 36. Multiple steel cables 37 are vertically fixed on the top surface of the hole strips 36, and the other ends of the multiple steel cables 37 are rotatably connected with bolts 371, and the bolts 371 are threadedly assembled on the screw hole strips 342. The steel cables 37 are used in conjunction with the lifting rods 35 to ensure that the goods remain stable during the lifting process to avoid accidental falling.

[0029] The locking member includes a first locking member 5, which includes a guide plate 51, which is fixed on the other end face of the lifting frame 21, and a slide bar 52 is horizontally fixed on both sides of the outer vertical end face of the guide plate 51, and a slide slot frame 55 is horizontally slidably assembled on the slide bar 52, and a locking rod 56 is horizontally fixed on the front end face of the slide slot frame 55. The locking rod 56 is used to insert into the first locking hole plate 11 on the guide frame 1, so as to ensure that the lifting frame 21 will not be displaced or dropped during the lifting process. A locking motor 53 is horizontally fixed in the middle of the guide plate 51, and an eccentric wheel 54 is fixed at the output end of the locking motor 53, and a pull rod 57 is provided on the eccentric wheel 54, and the two ends of the pull rod 57 are respectively connected to the eccentric shaft on the eccentric wheel 54 and the slide slot frame 55 for rotation. The pull rod 57 drives the slide slot frame 55 to move through the rotation of the eccentric wheel 54, so that the locking rod 56 is inserted into the locking hole 11 to ensure the stability of the lifting member.

[0030] The working principle of the present invention is as follows: when in use, the goods to be lifted and transported are piled and placed on the top surface of the bearing platform 31 of the bearing member 3. Then, in order to ensure the stability of the lifting and transportation of the goods on the top surface of the bearing platform 31 and the safety of preventing falling, the screw 313 on the top surface of the bearing platform 31 is rotated according to the height of the goods to be transported. The screw 313 threadably drives the extension frame 34 to slide and insert the guide tube 311 or the insertion rod into the vertical sliding guide of the guide cylinder 312, and the extension frame 34 is adjusted upward to move vertically upward on the bearing platform 31, so as to facilitate the vertical adjustment of the height of the extension frame 34 to protect the goods. Then the goods are placed on the bearing platform After the loading platform 31 is completed, the hole strip 36 is pulled to slide on the lifting rod 35, squeezing the lifting spring 351 to deform, and the bolts 371 at the ends of the steel cables 37 on both sides of the loading platform 31 are threadedly assembled on the screw hole strips 342 to restrain the goods during transportation and keep the goods stable. When lifting, the lifting hydraulic rod 4 is started to push the lifting frame 21 on the lifting frame 2 to slide vertically in the guide frame 1. After reaching the appropriate lifting height, in order to ensure the stability of the lifting member 2 installed on the guide frame 1, the locking motor 53 on the guide plate 51 in the first locking component 5 is started, and the locking motor 53 drives the eccentric wheel 54 to rotate. The eccentric shaft on the moving eccentric wheel 54 pulls the pull rod 57 to rotate, and the pull rod 57 rotates to pull the slide frame 55 to slide horizontally on the slide bar 52, pushing the locking rod 56 on the slide frame 55 to insert into the first locking hole plates 11 on both sides of the guide frame 1, and then the locking rod 56 on the first locking member 5 is inserted into the first locking hole plates 11 on both sides of the guide frame 1, and the stability of the installation of the limit locking positioning lifting member 2 on the guide frame 1 is ensured. At the same time, in order to facilitate the later loading and unloading of goods on the bearing platform 31, the lifting hydraulic rod 4 is started to extend, pushing the moving member 32 on the bottom surface of the bearing platform 31 on the lifting frame 3 1 slides in the guide hole frame 23 of the movable frame 32, the moving wheel 322 on the movable frame 321 in the movable member 32 slides in the guide hole frame 23, and then after the carrying platform 31 is transversely moved to a fixed position, the double-headed motor 323 is started to drive the stud 324 to rotate, and the threaded driving guide screw cylinder 326 slides in the guide hole 325 on the movable frame 321, driving the end of the guide screw cylinder 326 to insert into the locking hole 24 of the guide hole frame 23, thereby locking the carrying platform 31 in the transverse position of the guide hole frame 23, ensuring the stability of cargo loading and unloading on the carrying platform 31, and further improving the stability of cargo transportation on the carrying platform 31.

[0031] Embodiment 2: refer to Figure 7 and Figure 8As shown, the locking member includes a second locking member 6, and the second locking member 6 includes a rotating rod plate 61, which is fixed on the other end face of the lifting frame 21, and rod seats are horizontally fixed on both sides of the vertical end face of the outer side of the rotating rod plate 61. Two deflection plates 64 are arranged on the outer side of the rotating rod plate 61, and the middle part of the side end face of the two deflection plates 64 close to the rotating rod plate 61 is fixed with a rotating block, and the rotating block on the deflection plate 64 is rotatably connected to the rod seat, and a hinge rod is fixed at one end of the deflection plate 64, and a positioning rod 65 is fixed at the other end of the deflection plate 64. A deflection hydraulic rod 62 is fixed through the middle part of the rotating rod plate 61, and a hole block 63 is fixed at the output end of the deflection hydraulic rod 62, and both sides of the hole block 63 are rotatably connected with the hinge rod at the end of the deflection plate 64. Through the control of the deflection hydraulic rod 62, the deflection plate 64 can accurately control the positioning rod 65 to be inserted into the second locking hole plate 12, thereby effectively locking the position of the lifting frame 21. Second locking hole plates 12 are vertically fixed on the vertical side end surfaces on both sides of the guide frame 1, and multiple second locking hole plates 12 are evenly arranged on the guide frame 1 along the vertical direction. The second locking hole plates 12 are plugged into the positioning rod 65, which further improves the stability of the lifting frame 21 in the guide frame.

[0032] The working principle of the present invention is as follows: when in use, the goods to be lifted and transported are piled and placed on the top surface of the carrying platform 31 of the carrying member 3. Then, in order to ensure the stability of the lifting and transportation of the goods on the top surface of the carrying platform 31 and the safety of preventing falling, according to the height of the transported goods, the screw 313 on the top surface of the carrying platform 31 is rotated, and the screw 313 threadably drives the extension frame 34 to slide and insert the guide tube 312 under the vertical sliding guide of the sliding tube and the sliding rod 311 or the insertion rod, and the extension frame 34 is adjusted upward to move vertically upward on the carrying platform 31, which is convenient for vertical adjustment The extension frame 34 protects the height of the goods. After the goods are placed on the load-bearing platform 31, the hole strip 36 is pulled to slide on the lifting rod 35, squeezing the lifting spring 351 to deform, and the bolts 371 at the ends of the steel cables 37 on both sides of the load-bearing platform 31 are threadedly assembled on the screw hole strip 342 to bind the goods during transportation and keep the goods stable. When lifting, the lifting hydraulic rod 4 is started to push the lifting frame 21 on the lifting frame 2 to slide vertically in the guide frame 1. After reaching the appropriate lifting height, in order to ensure the stability of the installation of the lifting member 2 on the guide frame 1 , start the deflection hydraulic rod 62 on the second locking member 6 to contract, push the deflection plate 64 to deflect on the rotating rod plate 61, and use the positioning rod 65 at the end of the deflection plate 64 to insert into the second locking hole plates 12 on both sides of the guide frame 1 to limit the locking and positioning of the lifting member 2 on the guide frame 1. At the same time, in order to facilitate the later loading and unloading of goods on the load-bearing platform 31, start the lifting hydraulic rod 4 to extend, push the moving member 32 on the bottom surface of the load-bearing platform 31 to slide in the guide hole frame 23 of the lifting frame 31, and the moving member 32 in the moving frame The moving wheel 322 on 321 slides in the guide hole frame 23, and then after the supporting platform 31 moves horizontally to a fixed position, the double-headed motor 323 is started to drive the stud 324 to rotate, and the threaded drive guide screw 326 slides in the guide hole 325 on the moving frame 321, driving the end of the guide screw 326 to insert into the locking hole 24 of the guide hole frame 23, thereby locking the supporting platform 31 in the horizontal position of the guide hole frame 23, ensuring the stability of cargo loading and unloading on the supporting platform 31, and further improving the stability of cargo transportation on the supporting platform 31.

[0033] Example 3: Improving the stability and fall prevention of the lifting platform Background of the embodiment: This embodiment aims to improve the stability and anti-fall performance of the lifting platform during operation by improving the design of the lifting member and the locking component.

[0034] Working principle: In this embodiment, the lifting member 2 slides smoothly in the guide frame 1 through the guide wheel 22, and the bearing member 3 ensures that the goods will not deviate or fall during transportation and lifting through the coordinated action of components such as the screw rod 313, the expansion frame 34 and the lifting rod 35. In addition, the design of the locking components 5 and 5a ensures that the lifting member is accurately positioned during the lifting process to prevent the lifting platform from accidentally falling.

[0035] Experimental data:

[0036] Compare the experimental condition to the control variable: Experimental group: using the anti-fall device of the present invention.

[0037] Control group: using the existing rail-type hydraulic lifting platform without adopting the locking component design.

[0038] Test environment: The experiment was carried out at a temperature of The test is carried out in a standard environment with a humidity of 60% to ensure that the stability test of the lifting platform is accurate.

[0039] Experimental results: The experimental results show that the lifting platform using the anti-falling device of the present invention can effectively prevent the lifting platform from falling or the cargo from falling when carrying 500-800kg of cargo, and improves the stability of the lifting process and shortens the operation time.

[0040] Example 4: Improving the cargo securing performance of the lifting platform Background of the embodiment: This embodiment aims at the problems existing in the existing lifting platform in terms of cargo fixation, and enhances the cargo fixation performance by improving the coordination between the bearing parts and the moving parts.

[0041] Working principle: In this embodiment, the bearing member 3 ensures that the goods can be stably kept on the bearing platform 31 during the lifting process through the coordinated action of components such as the screw rod 313, the expansion frame 34, the lifting rod 35 and the plurality of steel cables 37. The design of the steel cable 37 and the lifting spring 351 prevents the goods from deflecting during the lifting process.

[0042] Experimental data:

[0043] Compare the experimental condition to the control variable: Experimental group: using the cargo securing device of the present invention.

[0044] Control group: using a traditional lifting platform without lifting springs and steel cables.

[0045] Test environment: The experiment was carried out in a standard laboratory environment, and the temperature was kept at

[0046] Experimental results: The experimental results show that after adopting the cargo fixing design of the present invention, the deviation of the cargo on the lifting platform during transportation is kept within 0.2 mm, which greatly improves the cargo stability compared with the traditional lifting platform.

[0047] Example 5: Improving the design of locking components to improve the safety of the lifting platform Background of the embodiment: This embodiment aims to improve the safety of the lifting platform in preventing falling during the lifting process by improving the design of the locking component.

[0048] Working principle: In this embodiment, the locking member 5 ensures that the locking rod 56 can be accurately inserted into the first locking hole plate 11 on both sides of the guide frame 1 through the cooperation of the eccentric wheel 54, the pull rod 57 and other components, thereby effectively limiting the lifting member 2 and preventing its position from shifting during the lifting process.

[0049] Experimental data:

[0050] Compare the experimental condition to the control variable: Experimental group: using the locking member of the present invention.

[0051] Control group: using the traditional locking device.

[0052] Test environment: The experiment was carried out at room temperature and the humidity was controlled at 60%.

[0053] Experimental results: Through experiments, it is verified that the locking device described in the present invention can effectively improve the locking force and enhance the locking accuracy. Compared with the traditional technology, the success rate of the locking device reaches 100%, and the stability of the lifting platform is significantly improved.

[0054] Embodiment 6: Improving the load-bearing and anti-slip performance of the bearing member Background of the embodiment: This embodiment mainly improves the design of the bearing member 3 so that it can bear a larger load and avoid sliding during transportation.

[0055] Working principle: In this embodiment, the load-bearing structure above the load-bearing platform 31 realizes uniform load-bearing of the goods through the reasonable cooperation of the slide bar 311, the guide cylinder 312 and the screw rod 313, avoiding sliding or tilting due to uneven load. The design of the load-bearing parts uses high-strength steel (model: Q235B) and anti-slip materials to ensure stability even under high load conditions.

[0056] Experimental data:

[0057] Compare the experimental condition to the control variable: Experimental group: using the anti-slip bearing member of the present invention.

[0058] Control group: using traditional bearings without anti-slip design.

[0059] Test environment: The experiment was carried out at room temperature and the humidity was maintained at 60%.

[0060] Experimental results: When the load-bearing member with anti-skid design in this embodiment carries heavy objects, its anti-skid performance is improved by 15% compared with the control group.

[0061] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. A fall prevention device for a rail-type hydraulic lifting platform, characterized in that: The invention comprises a guide frame (1), a lifting member (2), a bearing member (3), a lifting hydraulic rod (4) and a locking member, wherein the guide frame (1) is vertically fixed and the lifting member (2) is vertically slidably arranged inside the guide frame (1), the bearing member (3) is arranged on one side end surface of the lifting member (2), and the bearing member (3) is used to carry people or goods, a lifting hydraulic rod (4) is vertically fixed on the lower side of the guide frame (1), and the top end of the lifting hydraulic rod (4) is fixedly connected to the bottom end of the lifting member (2), and the locking member is arranged on the other side end surface of the lifting member (2), and the locking member is used to position the lifting member (2) on the guide frame (1).

2. The anti-falling device for a rail-type hydraulic lifting platform according to claim 1, characterized in that: The lifting member (2) comprises a lifting frame (21), the lifting frame (21) being vertically arranged in the guide frame (1), and guide wheels (22) are horizontally rotatably connected on both sides of the lifting frame (21), the guide wheels (22) on the lifting frame (21) being pressed against the slideway of the guide frame (1), and two guide hole frames (23) are symmetrically and horizontally arranged on one side of the lifting frame (21) close to the bearing member (3), one end of the two guide hole frames (23) is fixed on the vertical end face of the lifting frame (21), a locking hole (24) is horizontally penetrated on the vertical end face of the guide hole frame (23), and a plurality of locking holes (24) are horizontally arranged on the guide hole frame (23).

3. The anti-falling device for a rail-type hydraulic lifting platform according to claim 2 is characterized in that: The bearing member (3) comprises a bearing platform (31) and a movable member (32); the bearing platform (31) is horizontally arranged above the two guide hole frames (23), and the movable member (32) is horizontally arranged below the bearing platform (31); sliding rods (311) are symmetrically and vertically fixed on both sides of the top surface of the bearing platform (31), and guide cylinders (312) are symmetrically and vertically fixed on both sides of the top surface of the bearing platform (31); screw rods (313) are vertically arranged on both sides of the top surface of the bearing platform (31), and the bottom ends of the screw rods (313) are rotatably connected to the top surface of the bearing platform (31).

4. The anti-falling device for a rail-type hydraulic lifting platform according to claim 3 is characterized in that: The movable member (32) comprises a movable frame (321), the movable frame (321) being horizontally fixed below the bearing platform (31), and movable wheels (322) being rotatably connected to the vertical end surfaces on both sides of the movable frame (321), and the movable wheels (322) being rollingly mounted in the guide hole frame (23), horizontal hydraulic rods (33) being horizontally fixed to both sides of the bearing platform (31), and the other end of the horizontal hydraulic rod (33) being fixed to the movable frame (321), a double-headed motor (323) being horizontally fixed to the middle of the movable frame (321), and guide holes (325) being penetrated and opened in the middle of the vertical end surfaces on both sides of the movable frame (321).

5. The anti-falling device for a rail-type hydraulic lifting platform according to claim 4, characterized in that: A guide screw barrel (326) is installed in the guide hole (325) of the movable frame (321) in a horizontal sliding guide manner, a stud (324) is fixed horizontally to the output end of the double-head motor (323), and the stud (324) is threadedly assembled and connected to the guide screw barrel (326), and an insertion column is horizontally arranged at the other end of the guide screw barrel (326), and the insertion column at the end of the guide screw barrel (326) is inserted into the locking hole (24) of the guide hole frame (23).

6. The anti-falling device for a rail-type hydraulic lifting platform according to claim 3, characterized in that: An expansion frame (34) is vertically arranged on both sides of the top surface of the support platform (31), and sliding tubes are vertically fixed on both sides of the expansion frame (34), and the sliding tubes on the expansion frame (34) are vertically slidably assembled in the sliding rod (311), an insertion rod is vertically fixed on the bottom surface of the expansion frame (34), and the insertion rod on the expansion frame (34) is slidably inserted into the guide tube (312), a screw hole frame (341) is vertically fixed in the middle of the bottom surface of the expansion frame (34), and the screw hole frame (341) and the screw rod (313) are assembled by threaded penetration, and a screw hole strip (342) is horizontally fixed on the top surface of the expansion frame (34).

7. The anti-falling device for a rail-type hydraulic lifting platform according to claim 6, characterized in that: A lifting rod (35) is vertically fixed in the middle of both end surfaces of the supporting platform (31), and a hole bar (36) is slidably penetrated and assembled on the lifting rod (35), a lifting spring (351) is vertically sleeved on the upper part of the lifting rod (35), and the two ends of the lifting spring (351) are respectively fixed on the top of the lifting rod (35) and the top surface of the hole bar (36), a plurality of steel cables (37) are vertically fixed on the top surface of the hole bar (36), and the other ends of the plurality of steel cables (37) are rotatably connected with bolts (371), and the bolts (371) are threadedly assembled on the screw hole bar (342).

8. The anti-falling device for a rail-type hydraulic lifting platform according to claim 2, characterized in that: The locking member comprises a first locking member (5), the first locking member (5) comprising a guide plate (51), the guide plate (51) being fixed on the other end surface of the lifting frame (21), and slide bars (52) being horizontally fixed on both sides of the outer vertical end surface of the guide plate (51), a slide groove frame (55) being horizontally slidably assembled on the slide bars (52), and a locking rod (56) being horizontally fixed on the front end surface of the slide groove frame (55).

9. The anti-falling device for a rail-type hydraulic lifting platform according to claim 8, characterized in that: A locking motor (53) is horizontally fixed in the middle of the guide plate (51), and an eccentric wheel (54) is fixed to the output end of the locking motor (53). A pull rod (57) is provided on the eccentric wheel (54), and the two ends of the pull rod (57) are rotatably connected to the eccentric shaft and the slide groove frame (55) on the eccentric wheel (54). First locking hole plates (11) are vertically fixed on the vertical side end surfaces on both sides of the guide frame (1), and a plurality of first locking hole plates (11) are evenly arranged on the guide frame (1) along the vertical direction, and the first locking hole plates (11) are plugged into the locking rod (56).

10. The anti-falling device for a rail-type hydraulic lifting platform according to claim 2, characterized in that: The locking member comprises a second locking member (6), the second locking member (6) comprising a rotating rod plate (61), the rotating rod plate (61) being fixed to the other end surface of the lifting frame (21), and rod seats being horizontally fixed to both sides of the outer vertical end surface of the rotating rod plate (61), two deflection plates (64) being arranged on the outer side of the rotating rod plate (61), and rotating blocks being fixed to the middle of the side end surfaces of the two deflection plates (64) close to the rotating rod plate (61), the rotating blocks on the deflection plates (64) being rotatably connected to the rod seats, and a hinged rod being fixed to one end of the deflection plate (64), and the deflection plates (64) being fixed to the middle of the side end surfaces of the two deflection plates (64). A positioning rod (65) is fixed to the other end of the rotating plate (64), a deflection hydraulic rod (62) is fixed through the middle of the rotating rod plate (61), and a hole block (63) is fixed to the output end of the deflection hydraulic rod (62), and both sides of the hole block (63) are rotatably connected to the hinge rod at the end of the deflection plate (64), and second locking hole plates (12) are vertically fixed on the vertical side end surfaces on both sides of the guide frame (1), and a plurality of second locking hole plates (12) are evenly arranged on the guide frame (1) along the vertical direction, and the second locking hole plates (12) are plugged into the positioning rod (65).

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