CN220976428U - Driving mechanism of lifting device - Google Patents
Driving mechanism of lifting device Download PDFInfo
- Publication number
- CN220976428U CN220976428U CN202322559053.4U CN202322559053U CN220976428U CN 220976428 U CN220976428 U CN 220976428U CN 202322559053 U CN202322559053 U CN 202322559053U CN 220976428 U CN220976428 U CN 220976428U
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- transmission
- transmission structure
- driving
- shaft
- lifting device
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- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 113
- 230000008878 coupling Effects 0.000 claims abstract description 13
- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model discloses a driving mechanism of a lifting device, which relates to the technical field of mechanical transmission modes and comprises a first transmission structure and a second transmission structure which are fixedly arranged at the left side and the right side of the upper end of a frame body of the lifting device, wherein the first transmission structure and the second transmission structure are in transmission connection through a transmission shaft, and a lifting screw rod for driving a lifting platform to lift is fixedly connected to the lower part of the first transmission structure through a first coupling and the lower part of the second transmission structure through a second coupling; the beneficial effects are that: in order to ensure the consistency of the new device and the original equipment in the working process, a driving motor is used for connecting two transmission boxes with the same speed ratio and structure form through a transmission shaft, and the output shafts of the two transmission boxes are directly connected with the original working shaft through a coupler, so that the action speed period of the whole machine is improved by more than 30 percent compared with the original structure efficiency by adopting a direct connection mode for 57 seconds, and the operation is basically free of noise.
Description
Technical Field
The utility model relates to the technical field of mechanical transmission modes, in particular to a driving mechanism of a lifting device.
Background
The existing lifting mechanism is characterized in that a chain disc is arranged on an output shaft of a speed reducer to drive a chain, shafts at two ends are driven by the chain to synchronously do work, the shafts are connected with a lifting screw, a lifting platform is rotated by the lifting screw to lift along the lifting screw, hand-operated wheels are arranged on the shafts at two ends of the chain, an electric or hand-operated switching function is also designed, the chain disc can be manually separated from the speed reducer when power is cut off, and the lifting mechanism is driven by manually shaking two hand wheels to lift equipment to a safe position; however, the chain often starts to loosen after running for several days, and the weight of the chain generates falling and shaking, although the tensioning wheel is arranged, if the adjustment is not timely, the chain can often fall off to affect the production, the rotation degree of the chain can not be too high when the chain rotates in parallel, the chain is mainly jumped up and down and the centrifugal force is easy to drag the chain off, and the noise is large when the chain runs, so that the efficiency of the whole mechanism is restricted, and one action cycle of the chain needs 88 seconds.
Disclosure of utility model
The present utility model has for its object to provide a drive mechanism for a lifting device in order to solve the above-mentioned problems.
The utility model realizes the above purpose through the following technical scheme:
The utility model provides a elevating gear's actuating mechanism, includes first transmission structure and the second transmission structure of fixed mounting in elevating gear's support body upper end left and right sides, first transmission structure with second transmission structure passes through the transmission shaft transmission and connects, first transmission structure lower part passes through first shaft coupling the equal fixedly connected with of second transmission structure lower part passes through the promotion lead screw that the equal fixedly connected with of second shaft coupling drove the lift platform and go up and down, first transmission structure keeps away from one side fixed mounting of second transmission structure has the driving motor who is used for driving first transmission structure pivoted, second transmission structure keeps away from first transmission structure one side is provided with manual actuating mechanism.
Preferably: the first transmission structure comprises a first transmission box, the second transmission structure comprises a second transmission box, and worm gears and worms are arranged in the first transmission box and the second transmission box; the worm in the first transmission case is fixedly connected with the output shaft of the driving motor and the transmission shaft coaxially, and the worm wheel is fixedly connected with the first coupler coaxially; the worm in the second transmission case is fixedly arranged on the transmission shaft, one end, far away from the driving motor, of the transmission shaft penetrates through the second transmission case to be provided with the manual driving mechanism, and the worm wheel is coaxially and fixedly connected with the second coupler.
Preferably: the upper end of the frame body is fixedly provided with a first mounting plate corresponding to the position of the first transmission case, the first mounting plate is fixedly provided with a first bracket, and the first transmission case is fixedly arranged on the first bracket; the upper end of the frame body is fixedly provided with a second mounting plate corresponding to the position of the second transmission case, the second mounting plate is fixedly provided with a second bracket, and the second transmission case is fixedly arranged on the second bracket.
Preferably: the first reinforcing ribs are arranged between the first mounting plate and the frame body, and the second reinforcing ribs are arranged between the second mounting plate and the frame body.
Preferably: and a universal joint is arranged in the middle of the transmission shaft.
Preferably: the manual driving mechanism comprises a hand wheel, the hand wheel is fixedly arranged on the transmission shaft, and a crank is fixedly arranged at the edge of the hand wheel.
Preferably: the manual driving mechanism comprises a driving gear and a driven gear, the driven gear is fixedly arranged on the transmission shaft, the second transmission case is far away from the side face of the first transmission case, the driving gear is meshed with the driven gear, and a crank is fixedly arranged on the edge of the driving gear.
Compared with the prior art, the utility model has the beneficial effects that: in order to ensure the consistency of the new device and the original equipment in the working process, a driving motor is used for connecting two transmission boxes with the same speed ratio and structure form through a transmission shaft, and the output shafts of the two transmission boxes are directly connected with the original working shaft through a coupler, so that the action speed period of the whole machine is improved by more than 30 percent compared with the original structure efficiency by adopting a direct connection mode for 57 seconds, and the operation is basically free of noise.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic perspective view of an embodiment 2 of a driving mechanism of a lifting device according to the present utility model.
Fig. 2 is a schematic partial structure of embodiment 2 of a driving mechanism of a lifting device according to the present utility model.
Fig. 3 is a schematic partial structure of an embodiment 1 of a driving mechanism of a lifting device according to the present utility model.
The reference numerals are explained as follows:
1. A frame body; 2. lifting a screw rod; 3. a first reinforcing rib; 4. a first mounting plate; 5. a driving motor; 6. a first bracket; 7. a first gear box; 8. a first coupling; 9. a transmission shaft; 10. a hand wheel; 11. a second gear box; 12. a second bracket; 13. a second mounting plate; 14. a second reinforcing rib; 15. a second coupling; 16. a drive gear; 17. a universal joint; 18. a driven gear; 19. a first transmission structure; 20. a second transmission structure; 21. and lifting the platform.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.
The utility model is further described below with reference to the accompanying drawings:
Example 1
As shown in fig. 3, a driving mechanism of a lifting device comprises a first driving structure 19 and a second driving structure 20 which are fixedly installed on the left side and the right side of the upper end of a frame body 1 of the lifting device, the first driving structure 19 and the second driving structure 20 are in driving connection through a driving shaft 9, a universal joint 17 is arranged in the middle of the driving shaft 9 to be connected, the driving stability of the first driving structure 19 and the second driving structure 20 is ensured, the condition that the shearing force of the driving shaft 9 is large and the damage of parts is caused due to the influence of mechanical vibration is avoided, the lower part of the first driving structure 19 is fixedly connected with a lifting screw rod for driving a lifting platform 21 to lift through a first coupling 8 and the lower part of the second driving structure 20 through a second coupling 15, a driving motor 5 for driving the first driving structure 19 to rotate is fixedly installed on one side, away from the second driving structure 20, and a manual driving mechanism is arranged on one side, away from the first driving structure 19.
The first transmission structure 19 comprises a first transmission box 7, the second transmission structure 20 comprises a second transmission box 11, and worm gears and worms are arranged in the first transmission box 7 and the second transmission box 11 and used for realizing staggered shaft transmission; the worm in the first transmission case 7 is fixedly connected with the output shaft of the driving motor 5 and the transmission shaft 9 coaxially, and the worm wheel is fixedly connected with the first coupler 8 coaxially; the worm in the second transmission case 11 is fixedly arranged on the transmission shaft 9, one end of the transmission shaft 9 far away from the driving motor 5 penetrates through the second transmission case 11 to be provided with a manual driving mechanism, and the worm wheel is coaxially and fixedly connected with the second coupling 15.
The upper end of the frame body 1 is fixedly provided with a first mounting plate 4 corresponding to the position of a first transmission case 7, the first mounting plate 4 is fixedly provided with a first bracket 6 through bolts, and the first transmission case 7 is fixedly arranged on the first bracket 6 through bolts; the upper end of the frame body 1 is fixedly provided with a second mounting plate 13 corresponding to the position of the second transmission case 11, the second mounting plate 13 is fixedly provided with a second bracket 12 through bolts, and the second transmission case 11 is fixedly arranged on the second bracket 12 through bolts, so that the installation and the disassembly are convenient.
The first reinforcing ribs 3 are arranged between the first mounting plate 4 and the frame body 1, the second reinforcing ribs 14 are arranged between the second mounting plate 13 and the frame body 1, and the first mounting plate 4 and the second mounting plate 13 are improved in supporting stability.
The manual driving mechanism comprises a hand wheel 10, the hand wheel 10 is fixedly arranged on a transmission shaft 9, a crank is fixedly arranged at the edge of the hand wheel 10, the crank is manually rocked when power is cut, the hand wheel 10 rotates, and the first transmission structure 19 and the second transmission structure 20 can be simultaneously driven to rotate through the transmission of the transmission shaft 9 to lift the lifting platform 21 to a safe position.
Example 2
As shown in fig. 1 to 2, the distinguishing features of this embodiment from embodiment 1 are that: the manual driving mechanism comprises a driving gear 16 and a driven gear 18, the driven gear 18 is fixedly arranged on a transmission shaft 9, a rotating shaft is fixedly arranged on the side surface of the second transmission box 11, far away from the first transmission box 7, the driving gear 16 is sleeved on the rotating shaft, a crank is fixedly arranged on the edge of the driving gear 16, the driving gear 16 can rotate and slide on the rotating shaft, when power fails, the driving gear 16 is moved to the meshing position of the driven gear 18, the crank is rocked, the driving gear 16 rotates, the first transmission structure 19 and the second transmission structure 20 can be simultaneously driven to rotate through the transmission of the transmission shaft 9, the lifting platform 21 is lifted to a safe position, the driving gear 16 is separated from the driven gear 18 when manual driving is not needed, the driving gear 16 is not driven to rotate along with the driving motor 5, and noise is reduced.
The frame 1, the lifting screw 2, the driving motor 5, the first coupling 8, the second coupling 15, the universal joint 17 and the lifting platform 21 are all universal standard components or components known to those skilled in the art, and the structure and principle of the components are all known to those skilled in the art through technical manuals or through routine experimental methods, so that no description is made here.
While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present utility model, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. The utility model provides a hoisting device's actuating mechanism, includes first transmission structure (19) and second transmission structure (20) of fixed mounting in hoisting device's support body (1) upper end left and right sides, its characterized in that: the utility model discloses a lifting mechanism, including first transmission structure (19) and second transmission structure (20), transmission shaft (9) are passed through, first transmission structure (19) lower part is passed through first shaft coupling (8) the equal fixedly connected with of second transmission structure (20) lower part is passed through the promotion lead screw that second shaft coupling (15) drive lift platform (21) goes up and down, first transmission structure (19) are kept away from one side fixed mounting of second transmission structure (20) has driving motor (5) that are used for driving first transmission structure (19) pivoted, second transmission structure (20) are kept away from one side of first transmission structure (19) is provided with manual actuating mechanism.
2. A drive mechanism for a lifting device as claimed in claim 1, wherein: the first transmission structure (19) comprises a first transmission box (7), the second transmission structure (20) comprises a second transmission box (11), and worm gears are arranged in the first transmission box (7) and the second transmission box (11); the worm in the first transmission case (7) is fixedly connected with the output shaft of the driving motor (5) and the transmission shaft (9) coaxially, and the worm wheel is fixedly connected with the first coupler (8) coaxially; the worm in the second transmission case (11) is fixedly arranged on the transmission shaft (9), one end, far away from the driving motor (5), of the transmission shaft (9) penetrates through the second transmission case (11) to be provided with the manual driving mechanism, and the worm wheel is coaxially and fixedly connected with the second coupler (15).
3. A drive mechanism for a lifting device as claimed in claim 2, wherein: the upper end of the frame body (1) is fixedly provided with a first mounting plate (4) corresponding to the position of the first transmission case (7), the first mounting plate (4) is fixedly provided with a first bracket (6), and the first transmission case (7) is fixedly arranged on the first bracket (6); the upper end of the frame body (1) is fixedly provided with a second mounting plate (13) corresponding to the position of the second transmission case (11), the second mounting plate (13) is fixedly provided with a second bracket (12), and the second transmission case (11) is fixedly arranged on the second bracket (12).
4. A drive mechanism for a lifting device as claimed in claim 1, wherein: first reinforcing ribs (3) are arranged between the first mounting plate (4) and the frame body (1), and second reinforcing ribs (14) are arranged between the second mounting plate (13) and the frame body (1).
5. A drive mechanism for a lifting device as claimed in claim 1, wherein: the middle of the transmission shaft (9) is provided with a universal joint (17) for connection.
6. A drive mechanism for a lifting device as claimed in claim 2, wherein: the manual driving mechanism comprises a hand wheel (10), the hand wheel (10) is fixedly arranged on the transmission shaft (9), and a crank is fixedly arranged at the edge of the hand wheel (10).
7. A drive mechanism for a lifting device as claimed in claim 2, wherein: the manual driving mechanism comprises a driving gear (16) and a driven gear (18), the driven gear (18) is fixedly mounted on the transmission shaft (9), the second transmission case (11) is far away from the side face of the first transmission case (7) and is provided with the driving gear (16) which can move and rotate, the driving gear (16) is meshed with the driven gear (18), and a crank is fixedly mounted on the edge of the driving gear (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322559053.4U CN220976428U (en) | 2023-09-20 | 2023-09-20 | Driving mechanism of lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322559053.4U CN220976428U (en) | 2023-09-20 | 2023-09-20 | Driving mechanism of lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220976428U true CN220976428U (en) | 2024-05-17 |
Family
ID=91058844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322559053.4U Active CN220976428U (en) | 2023-09-20 | 2023-09-20 | Driving mechanism of lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220976428U (en) |
-
2023
- 2023-09-20 CN CN202322559053.4U patent/CN220976428U/en active Active
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