CN212669075U - Side lower driving type hoister - Google Patents
Side lower driving type hoister Download PDFInfo
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- CN212669075U CN212669075U CN202021500426.0U CN202021500426U CN212669075U CN 212669075 U CN212669075 U CN 212669075U CN 202021500426 U CN202021500426 U CN 202021500426U CN 212669075 U CN212669075 U CN 212669075U
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- chain wheel
- chain
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Abstract
The utility model discloses a side lower part drive formula lifting machine relates to lifting machine technical field, and the main objective is avoided being promoted article and is received the pollution. The technical scheme of the utility model is that: side lower part drive formula lifting machine includes: the transmission part comprises a first wheel set and a second wheel set, the first wheel set and the second wheel set are identical in structure, a first chain wheel and a second chain wheel are rotatably connected to the lower end of the frame, a third chain wheel and a fourth chain wheel are rotatably connected to the upper end of the frame, the fourth chain wheel is positioned right above the first chain wheel, the third chain wheel is positioned right above the second chain wheel, the first chain wheel is connected to the fourth chain wheel through a first chain in a transmission manner, the first chain wheel, the second chain wheel, the third chain wheel and the fourth chain wheel are sequentially connected through a second chain in a transmission manner, the first chain is fixedly connected to one end side of the bearing table, and the second chain is fixedly connected to the other end side of the bearing table; the driving shaft is respectively and coaxially connected with the first chain wheel of the first wheel set and the first chain wheel of the second wheel set.
Description
Technical Field
The utility model relates to a lifting machine technical field especially relates to a side lower part drive formula lifting machine.
Background
The hoister is large mechanical equipment which is transported by changing potential energy, and along with the development of industry, the automation degree is improved, and the number of types of the hoister is increased.
However, the conventional hoisting machine has the following problems: the oil station of the hydraulic elevator has the problem of oil leakage, pollutes the environment of an operation site and the outer package of an article to be lifted; furthermore, the transmission mechanism of the conventional elevator is generally located right above the lifted object, and the grease applied to the components of the transmission mechanism is liable to drip onto the upper surface of the lifted object, which also causes contamination to the lifted object.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a lateral lower driving type elevator, which mainly aims to prevent the articles to be lifted from being polluted.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the utility model provides a side lower part drive formula lifting machine, it includes: the device comprises a base, a transmission part and a driving part;
the opposite sides of the base are respectively fixedly connected to the frame;
the transmission part comprises a first wheel set and a second wheel set, the first wheel set is arranged on the frame on one side of the base, the second wheel set is arranged on the frame on the other side of the base, the first wheel set and the second wheel set have the same structure and respectively comprise a first chain wheel, a second chain wheel, a third chain wheel, a fourth chain wheel, a first chain and a second chain, the first chain wheel and the second chain wheel are rotatably connected with the lower end of the frame, the third chain wheel and the fourth chain wheel are rotatably connected with the upper end of the frame, the fourth chain wheel is positioned right above the first chain wheel, the third chain wheel is positioned right above the second chain wheel, the first chain wheel is in transmission connection with the fourth chain wheel through the first chain, and the first chain wheel, the second chain wheel, the third chain wheel and the fourth chain wheel are in sequential transmission connection through the second chain, the first chain is fixedly connected to one end side of the bearing table, and the second chain is fixedly connected to the other end side of the bearing table and used for driving the bearing table to horizontally lift;
the driving part comprises a driving shaft which is respectively and coaxially connected with the first chain wheel of the first wheel set and the first chain wheel of the second wheel set.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
Optionally, the first sprocket includes first branch sprocket and second branch sprocket, first branch sprocket with second branch sprocket respectively coaxial coupling in the drive shaft, the fourth sprocket includes third branch sprocket and fourth branch sprocket, third branch sprocket coaxial coupling in fourth branch sprocket, first branch sprocket passes through first chain drive connect in third branch sprocket, second branch sprocket the second sprocket the third sprocket with fourth branch sprocket passes through the second chain is the transmission in proper order and is connected.
Optionally, two ends of the bearing table are respectively rotatably connected to the pulleys, and edges of the pulleys are abutted to the frame.
Optionally, the driving portion further includes a first driving motor and a first speed reducing mechanism, an output shaft of the first driving motor is connected to an input end of the first speed reducing mechanism, and an output end of the first speed reducing mechanism is connected to the driving shaft.
Optionally, the automatic bearing platform further comprises a conveying part, wherein the conveying part comprises a driving roller, a driven roller and a crawler, the driving roller is rotatably connected to one end of the bearing platform, the driven roller is rotatably connected to the other end of the bearing platform, and the driving roller is in transmission connection with the driven roller through the crawler.
Optionally, the conveying part further includes a second driving motor and a second speed reducing mechanism, an output shaft of the second driving motor is connected to an input end of the second speed reducing mechanism, and an output end of the second speed reducing mechanism is coaxially connected to the driving roller.
Borrow by above-mentioned technical scheme, the utility model discloses at least, have following advantage:
the drive shaft coaxially drives the first sprocket of the first wheel set and the first sprocket of the second wheel set. Because in the first wheelset and the second wheelset, the first chain and the second chain simultaneously cross the first chain wheel, the linear velocities of the first chain and the second chain are consistent, and the linear velocity of the first chain of the first wheelset is also consistent with the linear velocity of the first chain of the second wheelset. In this way, the lifting speed of one end side of the bearing platform is consistent with the lifting speed of the other end side of the bearing platform, namely, the first chain and the second chain drive the bearing platform to horizontally lift.
Drawings
Fig. 1 is a perspective view of a lateral lower drive type elevator according to an embodiment of the present invention;
fig. 2 is a top view of a lateral lower drive type hoist according to an embodiment of the present invention;
fig. 3 is a front view of a side lower driving type hoist according to an embodiment of the present invention;
FIG. 4 is a view in elevation at C-C of FIG. 3;
FIG. 5 is an enlarged view of portion A of FIG. 1;
fig. 6 is an enlarged view of a portion B in fig. 1.
Reference numerals in the drawings of the specification include: the chain wheel driving device comprises a base 1, a frame 2, a first chain wheel 3, a second chain wheel 4, a third chain wheel 5, a fourth chain wheel 6, a first chain 7, a second chain 8, a driving shaft 9, a first branch chain wheel 10, a second branch chain wheel 11, a third branch chain wheel 12, a fourth branch chain wheel 13, a pulley 14, a bearing table 15, a first driving motor 16, a first speed reducing mechanism 17, a driving roller 18, a driven roller 19, a crawler belt 20, a second driving motor 21 and a second speed reducing mechanism 22.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, 2, 3 and 4, an embodiment of the present invention provides a lateral lower drive type elevator, which includes: the device comprises a base 1, a transmission part and a driving part;
the opposite sides of the base 1 are respectively fixedly connected with the frame 2;
the transmission part comprises a first wheel set and a second wheel set, the first wheel set is installed on one side of the base 1, the frame 2 is arranged on the other side of the base 1, the first wheel set and the second wheel set are identical in structure and comprise a first chain wheel 3, a second chain wheel 4, a third chain wheel 5, a fourth chain wheel 6, a first chain 7 and a second chain 8, the first chain wheel 3 and the second chain wheel 4 are rotatably connected to the lower end of the frame 2, the third chain wheel 5 and the fourth chain wheel 6 are rotatably connected to the upper end of the frame 2, the fourth chain wheel 6 is located right above the first chain wheel 3, the third chain wheel 5 is located right above the second chain wheel 4, the first chain wheel 3 is in transmission connection with the fourth chain wheel 6 through the first chain wheel 7, and the first chain wheel 3, The second chain wheel 4, the third chain wheel 5 and the fourth chain wheel 6 are sequentially in transmission connection through the second chain 8, the first chain 7 is fixedly connected to one end side of the bearing table 15, and the second chain 8 is fixedly connected to the other end side of the bearing table 15 and used for driving the bearing table 15 to horizontally lift;
the driving part comprises a driving shaft 9, and the driving shaft 9 is respectively and coaxially connected to the first chain wheel 3 of the first wheel set and the first chain wheel 3 of the second wheel set.
The working process of the side lower driving type hoister is as follows:
after placing the article to be lifted in the middle of the bearing table 15, the driving part is started, and the driving shaft 9 coaxially drives the first chain wheel 3 of the first wheel set and the first chain wheel 3 of the second wheel set. Since the first chain 7 and the second chain 8 simultaneously straddle the first sprocket 3 in the first and second wheel sets, the linear velocities of the first chain 7 and the second chain 8 are the same, and the linear velocity of the first chain 7 of the first wheel set is the same as the linear velocity of the first chain 7 of the second wheel set. In this way, the lifting speed of one end side of the bearing table 15 is consistent with the lifting speed of the other end side of the bearing table 15, namely, the first chain 7 and the second chain 8 drive the bearing table 15 to lift horizontally.
The technical scheme of the utility model, because the position of drive shaft 9 is not higher than the position of bearing platform 15, first chain 7 is located the one end side of bearing platform 15, and second chain 8 is located the other end side of bearing platform 15, and there is not transmission structure in the space between two frames 2, just also need not lubricating grease, and the article of treating at bearing platform 15 middle part can not receive the pollution of the lubricating grease who comes from its top, has guaranteed the cleanliness factor of being promoted article.
Specifically, the wheel shaft of the third chain wheel 5 and the wheel shaft of the fourth chain wheel 6 are respectively arranged on two sides of the upper end of the frame 2 through bearings.
Concretely, this lifting machine still includes the PLC controller, and hall element is installed to the tip of bearing platform 15, and first magnet is installed to the upper end of frame 2, and second magnet is installed to the lower extreme of frame 2, and the input electricity of PLC controller is connected in hall element, and the output electricity of PLC controller is connected in the drive division. When the bearing table 15 rises to the upper limit position, the Hall element corresponds to the first magnet, the Hall element sends a first electric signal to the PLC, and the PLC sends a stop instruction to the driving part; when the bearing table 15 descends to the lower limit position, the hall element corresponds to the second magnet, the hall element sends a second electric signal to the PLC controller, and the PLC controller sends a stop instruction to the driving part. With the above arrangement, the bearing table 15 is prevented from colliding against the upper end of the frame 2 and the lower end of the frame 2.
As shown in fig. 1, 2, 5 and 6, in a specific embodiment, the first sprocket 3 includes a first sprocket 10 and a second sprocket 11, the first sprocket 10 and the second sprocket 11 are respectively coaxially connected to the driving shaft 9, the fourth sprocket 6 includes a third sprocket 12 and a fourth sprocket 13, the third sprocket 12 is coaxially connected to the fourth sprocket 13, the first sprocket 10 is drivingly connected to the third sprocket 12 through the first chain 7, and the second sprocket 11, the second sprocket 4, the third sprocket 5 and the fourth sprocket 13 are sequentially drivingly connected through the second chain 8.
In the present embodiment, specifically, the first chain 7 and the second chain 8 are respectively connected to different sprockets, and the first chain 7 and the second chain 8 are driven independently from each other, so as to avoid the first chain 7 and the second chain 8 from influencing each other; meanwhile, the first chain wheel 10 and the second chain wheel 11 are respectively coaxially connected to the driving shaft 9, the third chain wheel 12 is coaxially connected to the fourth chain wheel 13, and the third chain wheel 12 and the fourth chain wheel 13 synchronously rotate at the upper end of the frame 2, so that the first chain 7 and the second chain 8 are driven to synchronously transmit, the bearing platform 15 is driven to horizontally lift, and articles are prevented from obliquely sliding in the lifting process.
As shown in fig. 1 and 4, in the embodiment, two ends of the bearing table 15 are respectively rotatably connected to the pulleys 14, and edges of the pulleys 14 abut against the frame 2.
In the embodiment, specifically, the edges of the pulleys 14 abut against the inner edges of the two sides of the frame 2, so that the bearing platform 15 is prevented from shaking left and right; meanwhile, in the process of lifting the bearing platform 15, the pulley 14 rotates to convert sliding friction into rolling friction, so that the friction force borne by the bearing platform 15 is reduced.
As shown in fig. 1, 2 and 3, in a specific embodiment, the driving portion further includes a first driving motor 16 and a first speed reducing mechanism 17, an output shaft of the first driving motor 16 is connected to an input end of the first speed reducing mechanism 17, and an output end of the first speed reducing mechanism 17 is connected to the driving shaft 9.
In the present embodiment, specifically, the first driving motor 16 is a servo motor and is provided with a first frequency converter; the first speed reducing mechanism 17 is a first worm gear speed reducer with a brake, an output shaft of the first driving motor 16 is coaxially connected to a worm of the first worm gear speed reducer, a worm wheel of the first worm gear speed reducer is coaxially connected to a driving shaft 9, and the driving shaft 9 is respectively coaxially connected to the first chain wheel 3 of the first wheel set and the first chain wheel 3 of the second wheel set.
When the hall element corresponds to the first magnet or the second magnet, the PLC controller sends a stop instruction to the first frequency converter, so as to realize the deceleration of the first driving motor 16, so that the output shaft of the first driving motor 16 gradually stops rotating; meanwhile, the first speed reducing mechanism 17 adopts a first worm gear speed reducer with a brake, so that the rotation inertia of the worm gear and the worm can be overcome, and the worm gear and the worm can be stopped to rotate in time. With the above arrangement, the ascent and descent of the bearing table 15 is stopped in time.
As shown in fig. 1, 2, 3 and 4, in a specific embodiment, the device further includes a conveying portion, the conveying portion includes a driving roller 18, a driven roller 19 and a caterpillar track 20, the driving roller 18 is rotatably connected to one end of the load-bearing platform 15, the driven roller 19 is rotatably connected to the other end of the load-bearing platform 15, and the driving roller 18 is in transmission connection with the driven roller 19 through the caterpillar track 20.
In the present embodiment, specifically, when the hoist is used, the upper limit position of the bearing table 15 is flush with the upper deck in the warehouse, and the lower limit position of the bearing table 15 is flush with the lower deck in the warehouse. The lifted articles can be placed on the caterpillar band 20, and the driving roller 18 and the driven roller 19 rotate, so that the caterpillar band 20 is driven to horizontally drive, the articles on the bearing table 15 can be conveniently pushed to the upper-layer platform or the lower-layer platform, and labor is saved.
As shown in fig. 1 and 2, in the specific embodiment, the conveying unit further includes a second driving motor 21 and a second speed reducing mechanism 22, an output shaft of the second driving motor 21 is connected to an input end of the second speed reducing mechanism 22, and an output end of the second speed reducing mechanism 22 is coaxially connected to the driving roller 18.
In the present embodiment, specifically, the second driving motor 21 is a servo motor and is provided with a second frequency converter; the second speed reducing mechanism 22 is a second worm gear speed reducer with a brake, an output shaft of the second driving motor 21 is coaxially connected to a worm of the second worm gear speed reducer, and a worm wheel of the second worm gear speed reducer is coaxially connected to the driving roller 18. The central point of base 1 one side frame 2 puts and installs infrared emitter, and the central point of base 1 other side frame 2 puts and installs infrared receiver, and infrared emitter and infrared receiver set up relatively, and infrared receiver electricity connects in the input of PLC controller, and the output electricity of PLC controller connects in the second converter.
The second driving motor 21 indirectly drives the driving roller 18 to rotate, so as to drive the caterpillar 20 to drive the article on the upper platform or the article on the lower platform to move between the two frames 2. When the article moves to a position between the infrared emitter and the infrared receiver, the infrared receiver cannot receive the infrared signal, the infrared receiver generates a third signal and transmits the third signal to the PLC, the PLC sends a stop instruction to the second frequency converter, the second driving motor 21 stops gradually, and meanwhile, the second speed reducing mechanism 22 is a second worm and gear speed reducer with a brake, so that the rotation inertia of the worm and gear can be overcome, and the worm and gear can stop rotating in time. Through the arrangement, the articles to be lifted can be controlled in the middle of the bearing platform 15 in time, and the articles are prevented from moving excessively along with the crawler belt 20.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A side lower drive hoist, comprising:
the opposite sides of the base are respectively fixedly connected with the frame;
the transmission part comprises a first wheel set and a second wheel set, the first wheel set is installed on the frame on one side of the base, the second wheel set is installed on the frame on the other side of the base, the first wheel set and the second wheel set are identical in structure and respectively comprise a first chain wheel, a second chain wheel, a third chain wheel, a fourth chain wheel, a first chain and a second chain, the first chain wheel and the second chain wheel are rotatably connected to the lower end of the frame, the third chain wheel and the fourth chain wheel are rotatably connected to the upper end of the frame, the fourth chain wheel is positioned right above the first chain wheel, the third chain wheel is positioned right above the second chain wheel, the first chain wheel is in transmission connection with the fourth chain wheel through the first chain, and the first chain wheel, the second chain wheel, the third chain wheel and the fourth chain wheel are in sequential transmission connection through the second chain, the first chain is fixedly connected to one end side of the bearing table, and the second chain is fixedly connected to the other end side of the bearing table and used for driving the bearing table to horizontally lift;
a driving portion including a driving shaft respectively coaxially connected to the first sprocket of the first wheel set and the first sprocket of the second wheel set.
2. A lower side drive hoist according to claim 1,
the first chain wheel comprises a first chain wheel and a second chain wheel, the first chain wheel and the second chain wheel are respectively and coaxially connected with the driving shaft, the fourth chain wheel comprises a third chain wheel and a fourth chain wheel, the third chain wheel is coaxially connected with the fourth chain wheel, the first chain wheel is connected with the third chain wheel through a first chain in a transmission mode, and the second chain wheel, the third chain wheel and the fourth chain wheel are sequentially connected through a second chain in a transmission mode.
3. A lower side drive hoist according to claim 1,
two ends of the bearing table are respectively and rotatably connected to the pulleys, and the edges of the pulleys are connected to the frame in an abutting mode.
4. A lower side drive hoist according to claim 1,
the driving part further comprises a first driving motor and a first speed reducing mechanism, an output shaft of the first driving motor is connected to an input end of the first speed reducing mechanism, and an output end of the first speed reducing mechanism is connected to the driving shaft.
5. Lower side drive hoist according to any one of claims 1-4,
the automatic bearing platform is characterized by further comprising a conveying part, wherein the conveying part comprises a driving roller, a driven roller and a crawler, the driving roller is rotatably connected to one end of the bearing platform, the driven roller is rotatably connected to the other end of the bearing platform, and the driving roller is in transmission connection with the driven roller through the crawler.
6. A lower side drive hoist according to claim 5,
the conveying part further comprises a second driving motor and a second speed reducing mechanism, an output shaft of the second driving motor is connected to an input end of the second speed reducing mechanism, and an output end of the second speed reducing mechanism is coaxially connected to the driving roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021500426.0U CN212669075U (en) | 2020-07-27 | 2020-07-27 | Side lower driving type hoister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021500426.0U CN212669075U (en) | 2020-07-27 | 2020-07-27 | Side lower driving type hoister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212669075U true CN212669075U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021500426.0U Active CN212669075U (en) | 2020-07-27 | 2020-07-27 | Side lower driving type hoister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212669075U (en) |
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2020
- 2020-07-27 CN CN202021500426.0U patent/CN212669075U/en active Active
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