A diesel off-road lifting platform

Abstract

The present invention discloses a diesel off-road lifting platform, which relates to the technical field of lifting equipment. The lifting platform includes a body frame, a platform frame, and a lifting scissor frame. The lower ends of the lifting scissor frame are provided with lower slides, the upper ends of the lifting scissor frame are provided with upper slides that slide on the lower surface of the platform frame, and the platform frame is provided with two extended platform plates that slide thereon; the platform frame is hollow inside and a group of gear transmission modules are provided near the two ends of the platform frame; the two upper slides are provided with lower racks that mesh with corresponding gear transmission modules, and the lower side walls of the extended platform plates are provided with upper racks that mesh with corresponding gear transmission modules. The present invention has a simple structure and can achieve the extension of the platform frame while raising and lowering the platform frame, thereby increasing the supporting surface and improving safety. By wedging objects into the angles of the lifting scissor frame, the overall support strength of the lifting scissor frame can be increased, and the practicality is strong.

Description

Technical Field

[0001] The present invention relates to the technical field of lifting equipment, in particular to a diesel off-road lifting platform. Background Art

[0002] The lifting platform is a multifunctional lifting and loading and unloading mechanical equipment, which can be divided into fixed and mobile, guide rail type, and crank arm type. The fixed type includes scissor lift, chain lift, loading and unloading platform and attached

[0003] Scissor lifts are mainly used in the logistics industry, production lines, and for lifting and loading and unloading cargo between basements and floors. They can also be used for lifting stages and operating platforms. Their scissor lift structure allows for greater stability, while their wide working platform and high carrying capacity allow for a wider range of aerial work and greater suitability for multiple people working simultaneously. These lifts increase aerial work efficiency and ensure greater safety, making them widely used.

[0004] The platform area of ​​the existing lifting platform is fixed. If a larger platform is used, the larger platform will easily increase the size of the entire device when the lifting platform is folded; if a relatively small platform is used, the platform surface will be smaller after the lifting platform is raised or lowered, and the items that can be placed or the standing surface for staff will be smaller. Summary of the Invention

[0005] The purpose of the present invention is to provide a diesel off-road lifting platform to solve the problems raised in the background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A diesel off-road lifting platform comprises a body frame, a platform frame and a lifting scissors frame, wherein a base plate is provided on the body frame and the lifting scissors frame is arranged between the base plate and the platform frame, lower slides sliding on the base plate are provided at both ends of the lower side of the lifting scissors frame, and upper slides sliding on the lower surface of the platform frame are provided at both ends of the upper side of the lifting scissors frame, the base plate has a driving member for adjusting the relative positions of the two lower slides, and the platform frame is provided with two extended platform plates sliding thereon; the platform frame is hollow inside and a group of gear transmission modules are provided inside the platform frame near both ends; lower racks are provided on the two upper slides and the lower racks are meshed with the corresponding gear transmission modules, and an upper rack is provided on the lower side wall of the extended platform and the upper rack is meshed with the corresponding gear transmission module.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional solution: the gear drive module includes a plurality of gear shafts arranged horizontally side by side, the ends of the gear shafts are rotatably connected to the platform frame, a gear portion is provided on the gear shaft and the gear portion can engage with the upper rack and the lower rack, and the plurality of gear shafts are connected through a belt transmission member.

[0010] In an optional solution: the driving member includes a double-headed screw and a lifting motor, the spiral directions of the two ends of the double-headed screw are opposite, the double-headed screw spirally passes through the two lower sliding seats, and the lifting motor is arranged at one end of the bottom plate.

[0011] In an optional solution: one end of the extension platform has a lifting assembly, and the lifting assembly includes a lifting bracket, a lifting reel, a lifting rope and a side pusher. The lifting bracket is fixed on the extension platform and the lifting reel is provided on the lifting bracket, one end of the lifting rope is wound on the lifting reel and the other end is provided with a hook for hooking the cargo, and the side pusher is provided on the lifting bracket. When the cargo moves to the upper side of the extension platform under the traction of the lifting rope, the side pusher can push the cargo laterally and make the cargo be on the upper side of the extension platform.

[0012] In an optional solution: one end of the lifting bracket extends to the outer side of the extension table, and the side push member includes a side push shaft, a baffle member and a side push rod. The end of the side push shaft is rotatably arranged at the end of the lifting bracket, the baffle member is located directly below the lifting reel and the lifting rope passes through the baffle member, and one end of the baffle member is fixedly connected to the side wall of the side push shaft; one end of the side push rod is fixedly connected to the side wall of the side push shaft, and a pushing roller is provided at the end of the side push rod away from the side push shaft.

[0013] In an optional solution: a stabilizing mechanism is provided at the intersection of the lifting scissors frame, and the stabilizing mechanism includes a side panel, a double-headed cylinder and two rotating block assemblies. The middle part of the side panel is fixedly connected to the rotating column at the intersection of the lifting scissors frame, and the two rotating block assemblies are respectively rotatably arranged at the two end parts of the side panel. The double-headed cylinder is arranged on the side wall of the side panel, and the two telescopic ends of the double-headed cylinder are respectively connected to the two rotating block assemblies. The telescopic movement of the double-headed cylinder can drive the rotating block assembly to rotate around the connection with the side panel, and the rotating block assembly can be clamped on the side of the lifting scissors frame.

[0014] In an optional scheme: the rotating clamping block assembly includes a fixed rod shaft, a rotating rod frame and a wedge block, the fixed rod shaft is fixedly arranged at the end of the side plate, the rotating rod frame is rotatably arranged on the fixed rod shaft, one end of the rotating rod frame has a wedge block that can be clamped at the angle of the lifting scissors frame, and a connecting slide groove is provided on the end surface of the other end of the rotating rod frame, and a push-pull slide is provided inside the connecting slide groove, and the push-pull slide is connected to the telescopic end of the double-head cylinder.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The lifting scissor frame in the present invention can drive the platform frame to rise and fall, and the lifting scissor frame can drive the two extension plates to move on the platform frame, thereby realizing the expansion and contraction of the platform frame, improving the standing surface of the staff and improving safety.

[0017] 2. The stabilizing mechanism of the present invention can wedge into the angle of the lifting scissor frame from both sides, thereby preventing the lifting scissor frame from rotating and improving the supporting strength of the lifting scissor frame.

[0018] 3. The present invention has a simple structure and can realize the expansion of the platform frame while raising and lowering the platform frame, thereby increasing the supporting surface and improving safety. By wedging objects into the angles of the lifting scissor frame, the overall supporting strength of the lifting scissor frame can be increased, and the present invention has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the lifting platform in one embodiment of the present invention.

[0020] Figure 2 The figure is a schematic diagram of the connection structure between the platform frame and the lifting scissor frame in one embodiment of the present invention.

[0021] Figure 3 Schematic diagram of the driving member structure in one embodiment of the present invention.

[0022] Figure 4 Schematic diagram of the lifting assembly structure in one embodiment of the present invention.

[0023] Figure 5 Schematic diagram of the stabilizing mechanism structure in one embodiment of the present invention.

[0024] Notes on the accompanying drawings: body frame 100, bottom plate 200, platform frame 300, gear shaft 310, gear part 320, belt transmission part 330, lifting scissors frame 400, lower slide 410, upper slide 420, lower rack 430, extension table 500, upper rack 510, lifting assembly 600, lifting bracket 610, lifting reel 620, lifting rope 630, hook part 640, side push shaft 650, baffle part 660, side push rod 670, push roller 680, stabilizing mechanism 700, side plate part 710, double-headed cylinder 720, fixed rod shaft 730, rotating rod frame 740, wedge block 750, connecting slide 760, push-pull slide 770, double-headed screw 800, lifting motor 810. Implementation Method

[0025] In order to make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. In the drawings or descriptions, similar or identical parts are denoted by the same reference numerals, and in actual applications, the shape, thickness, or height of each component may be enlarged or reduced. The various embodiments listed in the present invention are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Any obvious modifications or changes made to the present invention do not depart from the spirit and scope of the present invention.

[0026] In one embodiment, Figure 1 and Figure 2 As shown, a diesel off-road lifting platform includes a body platform 100, a platform frame 300 and a lifting scissor frame 400. The body platform 100 is provided with a bottom plate 200 and the lifting scissor frame 400 is provided between the bottom plate 200 and the platform frame 300. Both ends of the lower side of the lifting scissor frame 400 are provided with a lower slide 410 sliding on the bottom plate 200, and both ends of the upper side of the lifting scissor frame 400 are provided with an upper slide 420 sliding on the lower surface of the platform frame 300. The bottom plate 200 has a The driving member for adjusting the relative positions of the two lower slides 410 is provided on the platform frame 300, and two extension platens 500 are provided thereon; the interior of the platform frame 300 is hollow, and a group of gear transmission modules are provided near both ends of the interior of the platform frame 300; the two upper slides 420 are provided with lower racks 430, and the lower racks 430 are meshed with the corresponding gear transmission modules, and the lower side wall of the extension platen 500 is provided with an upper rack 510, and the upper rack 510 is meshed with the corresponding gear transmission module;

[0027] When the platform frame 300 moves downward, the two upper slides 420 move away from each other, so that the two extension table plates 500 move relative to each other and are retracted at the center of the platform frame 300, thereby avoiding increasing the size of the entire lifting platform.

[0028] In one embodiment, Figure 1 and Figure 2As shown, the gear drive module includes a plurality of gear shafts 310 arranged horizontally and side by side, and the ends of the gear shafts 310 are rotatably connected to the platform frame 300. A gear portion 320 is provided on the gear shaft 310, and the gear portion 320 can mesh with the upper rack 510 and the lower rack 430. The plurality of gear shafts 310 are connected through a belt transmission member 330. In an embodiment of the present invention, when the lower rack 430 meshes with one of the gear portions 320 and is in a moving state, the plurality of gear shafts 310 are rotated by the transmission of the belt transmission member 330, so that the gear portion 320 on the gear shaft 310 drives the extension table 500 to move by meshing with the upper rack 510, thereby preventing the extension table 500 and the upper slide 420 from being disengaged from the gear portion 320 due to movement on the platform frame 300.

[0029] In one embodiment, Figure 3 As shown, the driving member includes a double-headed screw 800 and a lifting motor 810. The spiral directions of the two ends of the double-headed screw 800 are opposite. The double-headed screw 800 spirally passes through the two lower slides 410, and the lifting motor 810 is arranged at one end of the bottom plate 200; in an embodiment of the present invention, the lifting motor 810 drives the double-headed screw 800 to rotate, and the rotating double-headed screw 800 is spirally matched with the two lower slides 410, so that the two lower slides 410 move relative to or away from each other.

[0030] In one embodiment, Figure 1 and Figure 4 As shown, one end of the extension platform 500 has a lifting assembly 600, and the lifting assembly 600 includes a lifting bracket 610, a lifting reel 620, a lifting rope 630 and a side pusher. The lifting bracket 610 is fixed to the extension platform 500 and the lifting reel 620 is arranged on the lifting bracket 610. One end of the lifting rope 630 is wound around the lifting reel 620 and the other end is provided with a hook 640 for hooking the cargo. The side pusher is arranged on the lifting bracket 610. 30 is pulled up to the upper side of the extended table 500, the side pusher can push the goods laterally and place the goods on the upper part of the extended table 500; in an embodiment of the present invention, the lifting reel 620 is driven by the motor to rotate, and the rotating lifting reel 620 reels the lifting rope 630, so that the lifting rope 630 can lift the goods hooked by the hanging member 640. When the goods move up to the side of the extended table 500, the side pusher pushes the goods toward the upper side of the extended table 500, so that the operator can safely take the material.

[0031] In one embodiment, Figure 1 and Figure 4As shown, one end of the lifting bracket 610 extends to the outer side of the extension table 500, and the side push member includes a side push shaft 650, a baffle member 660 and a side push rod 670. The end of the side push shaft 650 is rotatably arranged at the end of the lifting bracket 610, the baffle member 660 is located directly below the lifting reel 620 and the lifting rope 630 passes through the baffle member 660, and one end of the baffle member 660 is fixedly connected to the side wall of the side push shaft 650; one end of the side push rod 670 is fixedly connected to the side wall of the side push shaft 650; The side push rod 670 is fixedly connected to the side wall of the side push shaft 650, and a push roller 680 is provided at the end of the side push rod 670 away from the side push shaft 650; in an embodiment of the present invention, when the goods move up to the lower side of the baffle member 660 under the action of the lifting rope 630, the goods continue to move up and push the baffle member 660 to rotate upward around the side push shaft 650, so that the side push rod 670 rotates with the side push shaft 650 and the push roller 680 can push the goods laterally toward the upper side of the extension platform 500.

[0032] In one embodiment, Figure 1 and Figure 5 As shown, a stabilizing mechanism 700 is provided at the intersection of the lifting scissor frame 400, and the stabilizing mechanism 700 includes a side panel 710, a double-headed cylinder 720 and two rotating block assemblies. The middle portion of the side panel 710 is fixedly connected to the rotating column at the intersection of the lifting scissor frame 400, and the two rotating block assemblies are respectively rotatably arranged at the two ends of the side panel 710. The double-headed cylinder 720 is provided on the side wall of the side panel 710, and the two telescopic ends of the double-headed cylinder 720 are respectively connected to the two rotating block assemblies. The telescopic movement of the double-headed cylinder 720 can drive The rotating block assembly is rotated around the connection with the side panel 710, and the rotating block assembly can be stuck in the side of the lifting scissors frame 400; in an embodiment of the present invention, after the lifting scissors frame 400 is adjusted to the height position of the platform frame 300, the double-headed cylinder 720 can push the two rotating block assemblies to rotate around the connection with the side panel 710 by telescoping, and one side of the rotating block assembly can be stuck in the gap of the lifting scissors frame 400, thereby limiting the rotation of the lifting scissors frame 400 around its intersection, thereby improving the strength of the lifting scissors frame 400 supporting the platform frame 300.

[0033] In one embodiment, Figure 5As shown, the rotating block assembly includes a fixed rod shaft 730, a rotating rod frame 740 and a wedge block 750. The fixed rod shaft 730 is fixedly arranged at the end of the side plate 710, and the rotating rod frame 740 is rotatably arranged on the fixed rod shaft 730. One end of the rotating rod frame 740 has a wedge block 750 that can be stuck at the angle of the lifting scissor frame 400. The end surface of the other end of the rotating rod frame 740 is provided with a connecting groove 760 and a push-pull slide 770 is provided inside the connecting groove 760. The seat 770 is connected to the telescopic end of the double-headed cylinder 720; in an embodiment of the present invention, when the double-headed cylinder 720 is extended or retracted, its telescopic end can push the rotating rod frame 740 through the push-pull slide 770, and make the rotating rod frame 740 rotate around the fixed rod shaft 730, so that the wedge block 750 can be stuck in the angle of the lifting scissors frame 400. Since the push-pull slide 770 slides inside the connecting slide groove 760, the extension and retraction of the double-headed cylinder 720 will not interfere with the rotating rod frame 740.

[0034] The above embodiment provides a diesel off-road lifting platform, in which a driving member drives the two lower slides 410 to move toward or away from each other, so that the lifting scissors frame 400 can drive the platform frame 300 to rise and fall; when the platform frame 300 moves upward, the two upper slides 420 are relatively close to each other, and the moving upper slide 420 is engaged with the lower rack 430 and the gear transmission module and the upper rack 510 and the gear transmission module, so that the extended platform 500 moves in the opposite direction of the upper slide 420, so that the two extended platform plates 500 move toward the two ends of the platform frame 300, and the storage area of ​​the entire platform frame 300 is increased, thereby improving safety; when the platform frame 300 moves downward, the two upper slides 420 are separated from each other, so that the two extended platform plates 500 move relative to each other toward the platform frame 300 and are retracted at the center of the platform frame 300, avoiding increasing the size of the entire lifting platform.

[0035] The above description is merely a specific embodiment of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A diesel off-road lifting platform, comprising a body frame, a platform frame and a lifting scissor frame, wherein the body frame is provided with a bottom plate and the lifting scissor frame is arranged between the bottom plate and the platform frame, characterized in that: Both ends of the lower side of the lifting scissor frame are provided with a lower slide that slides on the bottom plate, and both ends of the upper side of the lifting scissor frame are provided with an upper slide that slides on the lower surface of the platform frame; The bottom plate is provided with a driving member for adjusting the relative positions of the two lower slides; The platform frame is provided with two extension platforms sliding thereon; The platform frame is hollow inside and a set of gear transmission modules are provided near both ends of the platform frame; The two upper slides are both provided with lower racks and the lower racks are meshed with the corresponding gear transmission modules. The lower side wall of the extension plate is provided with an upper rack and the upper rack is meshed with the corresponding gear transmission module.

2. The diesel off-road lifting platform according to claim 1, characterized in that: The gear transmission module includes a plurality of gear shafts arranged horizontally side by side; The end of the gear shaft is rotatably connected to the platform frame. A gear portion is provided on the gear shaft and the gear portion can mesh with the upper rack and the lower rack. The multiple gear shafts are connected through a belt transmission member.

3. The diesel off-road lifting platform according to claim 1, characterized in that: The driving member includes a double-ended screw and a lifting motor. The spiral directions of the two ends of the double-ended screw are opposite. The double-ended screw spirally passes through two lower sliding seats. The lifting motor is arranged at one end of the bottom plate.

4. The diesel off-road lifting platform according to claim 1, characterized in that: One end portion of the extension platform is provided with a lifting assembly; The lifting assembly includes a lifting bracket, a lifting reel, a lifting rope and a side pusher; The lifting bracket is fixed on the extension platform and the lifting reel is provided on the lifting bracket, one end of the lifting rope is wound on the lifting reel and the other end is provided with a hook for hooking the cargo; The side pushers are arranged on the lifting bracket. When the cargo moves to the upper side of the extension platform under the pulling of the lifting rope, the side pushers can push the cargo laterally and make the cargo be located on the upper side of the extension platform.

5. The diesel off-road lifting platform according to claim 4, characterized in that: One end portion of the lifting bracket extends to the outer side of the extension platform; The side push member includes a side push shaft, a baffle member and a side push rod; The end of the side push shaft is rotatably arranged at the end of the lifting bracket, the baffle is located directly below the lifting reel and the lifting rope passes through the baffle, and one end of the baffle is fixedly connected to the side wall of the side push shaft; One end of the side push rod is fixedly connected to the side wall of the side push shaft, and a pushing roller is provided at the end of the side push rod away from the side push shaft.

6. The diesel off-road lifting platform according to claim 1, characterized in that: A stabilizing mechanism is provided at the intersection of the lifting scissor frame; The stabilizing mechanism includes a side plate, a double-headed cylinder and two rotating block assemblies; The middle part of the side plate is fixedly connected to the rotating column at the intersection of the lifting scissor frame, and the two rotating block assemblies are respectively rotatably arranged at the two ends of the side plate; The double-headed cylinder is arranged on the side wall of the side panel, and the two telescopic ends of the double-headed cylinder are respectively connected to the two rotating block assemblies; The extension and retraction of the double-headed air cylinder can drive the rotating clamping block assembly to rotate around the connection with the side plate, and the rotating clamping block assembly can be clamped on the side of the lifting scissor frame.

7. The diesel off-road lifting platform according to claim 6, characterized in that: The rotating block assembly includes a fixed rod shaft, a rotating rod frame and a wedge block; The fixed rod shaft is fixedly arranged at the end of the side plate, and the rotating rod frame is rotatably arranged on the fixed rod shaft. One end of the rotating rod frame has a wedge block that can be clamped at the angle of the lifting scissor frame; A connecting slide is provided on the end surface of the other end of the rotating rod frame, and a push-pull slide is provided inside the connecting slide. The push-pull slide is connected to the telescopic end of the double-head cylinder.

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