CN211871277U - Safe lifting platform - Google Patents
Safe lifting platform Download PDFInfo
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- CN211871277U CN211871277U CN202020280417.9U CN202020280417U CN211871277U CN 211871277 U CN211871277 U CN 211871277U CN 202020280417 U CN202020280417 U CN 202020280417U CN 211871277 U CN211871277 U CN 211871277U
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- lifting
- connecting rod
- base
- workstation
- workbench
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Abstract
The utility model relates to a safe lifting platform, which comprises a base, a workbench, a lifting device and an auxiliary lifting device, wherein the lifting device comprises a second lifting connecting rod, a first lifting connecting rod and a hydraulic cylinder, the first lifting connecting rod is hinged with the middle part of the second lifting connecting rod, the lower part of the first lifting connecting rod is hinged with the hydraulic cylinder, the output end of the hydraulic cylinder is hinged with the upper part of the second lifting connecting rod through a driving rod, a moving device for moving and fixing the lifting platform is arranged under the base, when the workbench is required to be lifted, the driving rod is pushed by the hydraulic cylinder to drive the first lifting connecting rod and the second lifting connecting rod to rotate around the middle part hinge, so that the included angle between the first lifting connecting rod and the second lifting connecting rod is changed, thereby adjusting the lifting or descending of the workbench, the auxiliary lifting device plays a role in assisting the operation of the lifting device, when the workbench is required to be moved to an appointed place to work, the utility model provides high working life, work efficiency and the security of equipment.
Description
Technical Field
The utility model relates to a lift platform technical field especially relates to a safe lift platform.
Background
A lifting platform is a multifunctional lifting loading and unloading mechanical device for vertically transporting people or objects, is a special device for indoor and outdoor aerial work with wide application, can be widely used for equipment maintenance, indoor and outdoor mechanical installation, equipment maintenance and building maintenance of stations, wharfs, bridges, halls and factory buildings, has larger cylinder diameter and weight along with the development of hydraulic supports, and is increased to about 13 tons from 2 to 3 tons in the front, so a hydraulic lifting platform with larger bearing weight needs to be developed, the existing hydraulic lifting platform has smaller component force in the vertical direction after being lowered to the lowest point, cannot meet the requirement of the existing large lifting force, and is easy to damage, and because the existing lifting platform is generally only provided with a lifting mechanism, mainly uses a cylinder or an oil cylinder as a power source, if a fault occurs suddenly in the lifting process, the lifting platform stops in mid-air and cannot be lifted continuously, so that potential safety hazards exist, and the lifting platform cannot be fixed at one position due to the change of a working area, because the existing lifting platform is inconvenient to move generally, or a base is inconvenient to fix after the existing lifting platform is moved to a specified place, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a safe lifting platform which has the advantages of large bearing weight, safety, reliability, convenient movement and fixation.
The technical scheme of the utility model is realized like this: the utility model provides a safe lift platform, includes the base, sets up workstation, the setting that is used for carrying out the elevating gear and supplementary elevating gear that go up and down to the workstation between base and workstation, its characterized in that: the lifting device comprises a first lifting connecting rod, a second lifting connecting rod and a hydraulic cylinder, wherein one end of the first lifting connecting rod is hinged with the bottom of the workbench, one end of the second lifting connecting rod is hinged with the top of the pedestal, the hydraulic cylinder is hinged with the side wall of the lower part of the second lifting connecting rod, the output end of the hydraulic cylinder is connected with a driving rod, one end of the driving rod, which is far away from the hydraulic cylinder, is hinged with the side wall of the upper part of the first lifting connecting rod, one end of the first lifting connecting rod, which is far away from the workbench, is in horizontal sliding connection with the lower surface of the workbench, the middle part of the first lifting connecting rod is hinged with the middle part of the second lifting connecting rod, the auxiliary lifting device comprises a lifting motor arranged on the pedestal, a lifting reduction gearbox arranged on the lifting motor and a lifting spiral connecting rod vertically arranged, one end of the lifting spiral connecting rod is in transmission connection with the output end of the lifting reduction gearbox, one end, far away from the lifting reduction gearbox, of the lifting spiral connecting rod is abutted to the bottom of the workbench, and a moving device used for moving and fixing the lifting platform is arranged at the bottom of the base.
By adopting the technical scheme, when the workbench is required to be lifted in daily use, the hydraulic cylinder is started, the output end of the hydraulic cylinder pushes the driving rod to be away from the hydraulic cylinder, the driving rod pushes the first lifting connecting rod to rotate around the middle hinged position, one end of the first lifting connecting rod, which is away from the workbench, and one end of the second lifting connecting rod, which is away from the base, both slide towards the direction close to the hydraulic cylinder, so that the included angle between the second lifting connecting rod and the base is increased, the included angle between the first lifting connecting rod and the workbench is increased, the workbench is directly supported by the first connecting rod and the second lifting connecting rod which are arranged between the base and the workbench in a crossed manner, the operation of the lifting device is more stable by reducing the hinged point, the bearing capacity of the workbench is ensured, when the hydraulic cylinder works, the lifting motor simultaneously drives the lifting reduction gearbox to drive the lifting screw rod, promote the workstation through the rising of lift hob and rise, when elevating gear broke down unable operation, supplementary elevating gear can regard as emergency measure to use, even the pneumatic cylinder damages the decompression, the workstation also can not directly fall, only need the operation through elevator motor, drive the rotatory whereabouts of direction that the lift hob is close to the base through the lift reducing gear box, avoid the workstation to lead to the dangerous situation to take place with uncontrollable mode whereabouts, need remove the workstation and carry out the during operation to appointed place, only need through setting up the mobile device shift table in the base bottom, until appointed place, relockingly the mobile device avoids the workstation to remove once more, compared with the prior art, the utility model has the advantages of simple structure, structural strength is high, has ensured the security performance when having improved the bearing capacity.
The utility model discloses further set up to: the moving device comprises a plurality of supporting blocks fixedly arranged below the base, a mounting groove arranged at the bottom of the supporting blocks and a moving wheel arranged in the mounting groove, wherein a plurality of limiting holes are formed in the circumferential surface of the moving wheel at intervals along the circumferential direction, bolt holes are formed in the side wall of each supporting block, limiting pins matched with the limiting holes are arranged in the bolt holes in a sliding mode, and the limiting pins penetrate through the bolt holes and are then inserted into the limiting holes.
By adopting the technical scheme, when the lifting platform needs to be moved to a designated working place in daily use, the limiting pin inserted in the limiting hole is pulled out in the direction far away from the moving wheel, so that the limiting pin is completely separated from the limiting hole, and the moving wheel recovers the rotating function after the limiting pin for limiting rotation is not available, at this time, the lifting platform can be driven to move by the rotation of the movable wheel and the supporting block by pushing the base or the workbench, when the lifting platform is pushed to a designated place, the movable wheel can not rotate only by corresponding the limiting pin with the limiting hole arranged on the side wall of the movable wheel and moving the limiting pin towards the direction close to the movable wheel until the limiting pin is completely inserted into the limiting hole, with this purpose that reaches fixed lift platform, compare with prior art, the utility model discloses a mobility can obtain the improvement with the security performance.
The utility model discloses further set up to: the bottom of the workbench is provided with a fixed block, the bottom of the fixed block is rotatably connected with a connecting block, and the bottom of the connecting block is fixedly connected with one end, far away from the lifting speed reducer, of the lifting spiral connecting rod.
Through adopting above-mentioned technical scheme, the carrier block that sets up at the lift screw connecting rod top is through the mode with fixed block swivelling joint, and the rotatory thrust with the lift screw connecting rod is conducted to the workstation through the fixed block of fixed setting in the workstation bottom, prevents the loss that the workstation bottom leads to because of the spin friction of lift screw connecting rod, with the regional restriction of friction between carrier block and fixed block, when carrier block or fixed block influence equipment performance because of friction loss, only need change carrier block and fixed block can, compare with prior art, the utility model provides the high durability of equipment.
The utility model discloses further set up to: the one end that workstation was kept away from to first lift connecting rod articulates there is first bearing pulley, the one end that the base was kept away from to second lift connecting rod articulates there is second bearing pulley.
Through adopting above-mentioned technical scheme, in daily use, keep away from the first bearing pulley of the one end of workstation through setting up at first lift connecting rod, the second bearing pulley of the one end of base is kept away from to second lift connecting rod, sliding connection's frictional force between first lift connecting rod and the base can be made to reduce, the frictional force between messenger second lift connecting rod and the workstation reduces, makes gliding process more smooth, makes the tip of first lift connecting rod and second lift connecting rod not fragile, compares with prior art, the utility model provides the high durability of equipment.
The utility model discloses further set up to: the top of the supporting block is rotatably connected with the bottom of the base.
Through adopting above-mentioned technical scheme, possess the function of horizontal rotation through the supporting shoe of swivelling joint in the base bottom, make the flexibility of removing the wheel obtain improving, compare with prior art, the utility model provides the high practicality of equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Labeled as:
1-base, 2-workbench, 3-first lifting connecting rod, 4-hydraulic cylinder, 5-driving rod, 6-lifting motor, 7-lifting reduction box, 8-lifting spiral connecting rod, 9-supporting block, 10-mounting groove, 11-moving wheel, 12-limiting hole, 13-bolt hole, 14-limiting pin, 15-fixing block, 16-connecting block, 17-first bearing pulley, 18-second bearing pulley and 19-second lifting connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses a safe lift platform, including base 1, set up workstation 2 in base 1 top, set up and be used for carrying out the elevating gear that goes up and down and supplementary elevating gear to workstation 2 between base 1 and workstation 2 the utility model discloses in the embodiment: the lifting device comprises a first lifting connecting rod 3, one end of which is hinged with the bottom of the workbench 2, a second lifting connecting rod 19, one end of which is hinged with the top of the base 1, and a hydraulic cylinder 4, the lower side wall of which is hinged with the lower side wall of the second lifting connecting rod 19, the output end of the hydraulic cylinder 4 is connected with a driving rod 5, one end of the driving rod 5, which is far away from the hydraulic cylinder 4, is hinged with the upper side wall of the first lifting connecting rod 3, one end of the first lifting connecting rod 3, which is far away from the workbench 2, is horizontally and slidably connected with the upper surface of the base 1, one end of the second lifting connecting rod 19, which is far away from the base 1, is horizontally and slidably connected with the lower surface of the workbench 2, the middle part of the first lifting connecting rod 3 is hinged with the middle part of the second lifting connecting rod 19, the auxiliary lifting, the output end of the lifting motor 6 is in transmission connection with the input end of the lifting reduction gearbox 7, one end of the lifting spiral connecting rod 8 is in transmission connection with the output end of the lifting reduction gearbox 7, one end, far away from the lifting reduction gearbox 7, of the lifting spiral connecting rod 8 is abutted against the bottom of the workbench 2, and the bottom of the base 1 is provided with a moving device for moving and fixing the lifting platform.
By adopting the technical scheme, when the workbench 2 needs to be lifted in daily use, the hydraulic cylinder 4 is started, the output end of the hydraulic cylinder 4 pushes the driving rod 5 to be far away from the hydraulic cylinder 4, the driving rod 5 pushes the first lifting connecting rod 3 to rotate around the middle hinged position, one end of the first lifting connecting rod 3 far away from the workbench and one end of the second lifting connecting rod 19 far away from the base both slide towards the direction close to the hydraulic cylinder 4, the included angle between the second lifting connecting rod 19 and the base 1 is increased, the included angle between the first lifting connecting rod and the workbench 2 is increased, the workbench 2 is directly supported by the first connecting rod and the second lifting connecting rod 2 which are arranged between the base 1 and the workbench 2 in a crossed manner, the operation of the lifting device is more stable by reducing the hinged point, the bearing capacity of the workbench 2 is ensured, when the hydraulic cylinder 4 works, the lifting motor 6 drives the lifting reduction gearbox 7 to drive the lifting screw rod to ascend simultaneously, the worktable 2 is pushed to ascend by the ascending of the lifting screw rod, when the lifting device fails to operate, the auxiliary lifting device can be used as an emergency measure, even if the hydraulic cylinder 4 is damaged and loses pressure, the worktable 2 can not directly fall down, only the operation of the lifting motor 6 is needed, the lifting reduction gearbox 7 drives the lifting screw rod to rotate and fall towards the direction close to the base 1, the dangerous situation caused by the falling of the worktable 2 in an uncontrollable way is avoided, when the worktable 2 needs to be moved to a specified place to work, the worktable 2 only needs to be moved by the moving device arranged at the bottom of the base 1 until the specified place, and then the moving device is locked to avoid the worktable 2 from moving again, compared with the prior art, the utility model has the advantages of simple structure and high structural strength, the bearing capacity is improved, and meanwhile, the safety performance is guaranteed.
The utility model discloses in the embodiment: the moving device comprises a plurality of supporting blocks 9 fixedly arranged below the base 1, a mounting groove 10 arranged at the bottom of the supporting blocks 9 and a moving wheel 11 arranged in the mounting groove 10, wherein a plurality of limiting holes 12 are formed in the circumferential surface of the moving wheel 11 at intervals along the circumferential direction, a bolt hole 13 is formed in the side wall of the supporting block 9, a limiting pin 14 matched with the limiting holes is arranged in the bolt hole 13 in a sliding mode, and the limiting pin 14 penetrates through the bolt hole 13 and then is connected with the limiting holes 12 in an inserting mode.
By adopting the technical scheme, in daily use, when the lifting platform needs to be moved to a specified working place, the limiting pin 14 inserted in the limiting hole 12 is pulled out in the direction far away from the moving wheel 11, so that the limiting pin 14 is completely separated from the limiting hole 12, after the limiting pin 14 for limiting rotation is not used, the moving wheel 11 recovers the rotation function, at the moment, the lifting platform can be driven to move by the rotation of the moving wheel 11 and the supporting block 9 by pushing the base 1 or the working table 2, when the lifting platform is pushed to the specified place, only the limiting pin 14 is required to be corresponding to the limiting hole 12 arranged on the side wall of the moving wheel 11, so that the limiting pin 14 moves in the direction close to the moving wheel 11 until the limiting pin 14 is completely inserted in the limiting hole 12, so that the moving wheel 11 can not rotate, and the purpose of fixing the lifting platform is achieved, compared with the prior art, the utility model discloses a mobility can obtain the improvement with the security performance.
The utility model discloses in the embodiment: the bottom of the workbench 2 is provided with a fixed block 15, the bottom of the fixed block 15 is rotatably connected with a connecting block 16, and the bottom of the connecting block 16 is fixedly connected with one end of the lifting spiral connecting rod 8 far away from the lifting speed reducer.
Through adopting above-mentioned technical scheme, the carrier block that sets up at lifting screw rod 8 top is through the mode with 15 swivelling joint of fixed block, with lifting screw rod 8's rotatory thrust through fixed setting on fixed block 15 conduction to workstation 2 in 2 bottoms of workstation, prevent the loss that 2 bottoms of workstation lead to because of lifting screw rod 8's rotatory friction, with the regional restriction of friction between carrier block and fixed block 15, when carrier block or fixed block 15 influence equipment performance because of friction loss, only need change carrier block and fixed block 15 can, compare with prior art, the utility model provides the high durability of equipment.
The utility model discloses in the embodiment: the end of the first lifting connecting rod 3, which is far away from the workbench 2, is hinged with a first bearing pulley 17, and the end of the second lifting connecting rod 19, which is far away from the base 1, is hinged with a second bearing pulley 18.
Through adopting the above-mentioned technical scheme, in daily use, through setting up the first bearing pulley 17 of keeping away from the one end of workstation 2 at first lift connecting rod 3, second bearing pulley 18 of the one end of base 1 is kept away from to second lift connecting rod 19, can make sliding connection's frictional force reduce between first lift connecting rod 3 and the base 1, make the frictional force between second lift connecting rod 19 and the workstation 2 reduce, make gliding process more smooth, make first lift connecting rod 3 not fragile with second lift connecting rod 19's tip, compare with prior art, the utility model provides the high durability of equipment.
The utility model discloses in the embodiment: the top of the supporting block 9 is rotatably connected with the bottom of the base 1.
Through adopting above-mentioned technical scheme, possess the function of horizontal rotation through swivelling joint at the supporting shoe 9 of base 1 bottom, make the flexibility of removing wheel 11 obtain improving, compare with prior art, the utility model provides the high practicality of equipment.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a safe lift platform, includes base (1), sets up workstation (2) in base (1) top, sets up the elevating gear and supplementary elevating gear who is used for going on going up and down workstation (2) between base (1) and workstation (2), its characterized in that: elevating gear includes one end and workstation (2) bottom articulated first lifting connecting rod (3), one end and base (1) top articulated second lifting connecting rod (19), with second lifting connecting rod (19) lower part lateral wall articulated pneumatic cylinder (4), the output of pneumatic cylinder (4) is connected with actuating lever (5), the one end that pneumatic cylinder (4) were kept away from in actuating lever (5) is articulated with first lifting connecting rod (3) upper portion lateral wall, the one end that workstation (2) were kept away from in first lifting connecting rod (3) is connected with base (1) upper surface horizontal sliding, the one end that base (1) were kept away from in second lifting connecting rod (19) is connected with workstation (2) lower surface horizontal sliding, the middle part of first lifting connecting rod (3) is articulated with the middle part of second lifting connecting rod (19), supplementary elevating gear is including setting up elevator motor (6) on base (1), The lifting device comprises a lifting reduction gearbox (7) arranged on a lifting motor (6) and a lifting spiral connecting rod (8) vertically arranged, wherein the output end of the lifting motor (6) is in transmission connection with the input end of the lifting reduction gearbox (7), one end of the lifting spiral connecting rod (8) is in transmission connection with the output end of the reduction gearbox, one end, far away from the lifting reduction gearbox (7), of the lifting spiral connecting rod (8) is abutted to the bottom of a workbench (2), and a moving device used for moving and fixing a lifting platform is arranged at the bottom of a base (1).
2. A safety lifting platform according to claim 1 wherein: the moving device comprises a plurality of supporting blocks (9) fixedly arranged below the base (1), mounting grooves (10) formed in the bottoms of the supporting blocks (9) and moving wheels (11) arranged in the mounting grooves (10), wherein a plurality of limiting holes (12) are formed in the circumferential surface of each moving wheel (11) at intervals along the circumferential direction, bolt holes (13) are formed in the side walls of the supporting blocks (9), limiting pins (14) matched with the limiting holes are arranged in the bolt holes (13) in a sliding mode, and the limiting pins (14) penetrate through the bolt holes (13) and then are connected with the limiting holes (12) in an inserting mode.
3. A safety lifting platform according to claim 2 wherein: the lifting speed reducer is characterized in that a fixed block (15) is arranged at the bottom of the workbench (2), a connecting block (16) is rotatably connected to the bottom of the fixed block (15), and the bottom of the connecting block (16) is fixedly connected with one end of the lifting spiral connecting rod (8) far away from the lifting speed reducer.
4. A safety lifting platform according to claim 3 wherein: the one end that workstation (2) were kept away from in first lift connecting rod (3) articulates there is first bearing pulley (17), the one end that base (1) were kept away from in second lift connecting rod (19) articulates there is second bearing pulley (18).
5. A safety lifting platform according to claim 4 wherein: the top of the supporting block (9) is rotatably connected with the bottom of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020280417.9U CN211871277U (en) | 2020-03-09 | 2020-03-09 | Safe lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020280417.9U CN211871277U (en) | 2020-03-09 | 2020-03-09 | Safe lifting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211871277U true CN211871277U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020280417.9U Active CN211871277U (en) | 2020-03-09 | 2020-03-09 | Safe lifting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211871277U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291362A (en) * | 2021-05-07 | 2021-08-24 | 华翔翔能科技股份有限公司 | Anti-toppling electrical cabinet running trolley |
| WO2022120634A1 (en) * | 2020-12-09 | 2022-06-16 | 扬州富沃特工程机械制造有限公司 | Lifting/lowering mechanism for automobile part production line |
-
2020
- 2020-03-09 CN CN202020280417.9U patent/CN211871277U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022120634A1 (en) * | 2020-12-09 | 2022-06-16 | 扬州富沃特工程机械制造有限公司 | Lifting/lowering mechanism for automobile part production line |
| CN113291362A (en) * | 2021-05-07 | 2021-08-24 | 华翔翔能科技股份有限公司 | Anti-toppling electrical cabinet running trolley |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220908 Address after: 1st Floor, No. 6, Zesheng Road, Industrial Functional Zone, Nianli Town, Qujiang District, Quzhou City, Zhejiang Province, 324000 Patentee after: Quzhou Guoao Logistics Co.,Ltd. Address before: No. 6, Zesheng Road, Nianli Town, Qujiang District, Quzhou City, Zhejiang Province, 324022 Patentee before: ZHEJIANG GUOYU PLASTIC INDUSTRY CO.,LTD. |
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| TR01 | Transfer of patent right |