CN117682412A - Automatic pass dish elevator - Google Patents
Automatic pass dish elevator Download PDFInfo
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- CN117682412A CN117682412A CN202410153610.9A CN202410153610A CN117682412A CN 117682412 A CN117682412 A CN 117682412A CN 202410153610 A CN202410153610 A CN 202410153610A CN 117682412 A CN117682412 A CN 117682412A
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- 238000001125 extrusion Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
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- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
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Abstract
The invention relates to the field of material conveying, in particular to an automatic dish conveying elevator, which comprises a box body, a guide rail, a damping plate, a rolling shaft, a transmission assembly and a speed control assembly, wherein one side of the box body is opened and extends inwards to form a storage cavity, clamping rods are rotatably arranged at four corners of the bottom of the storage cavity, and the clamping rods can move along a preset track. According to the invention, the clamping rods, the damping plates, the box body and the guide rail are arranged, when the elevator is just started, the damping plates are abutted against the guide rail, so that the instantaneous acceleration of the box body is small, tableware damage or food spilling caused by overlarge acceleration is avoided, meanwhile, the four damping plates move towards the center of the containing cavity, firstly, an article to be clamped is pushed to the center of the containing cavity, then the article to be clamped is clamped, and after the clamping rod is used for clamping the article to be clamped, the damping plates are separated from contact with the guide rail, so that the box body can move in an accelerating manner, and the dish conveying efficiency is improved.
Description
Technical Field
The invention relates to the field of material conveying, in particular to an automatic dish conveying elevator.
Background
The dish-transferring elevator is a box-type elevator used for departments such as hotels, kitchens, canteens, restaurants, kindergarten and the like and used for transferring food, tableware and daily necessities. The dish conveying elevator has the greatest advantages that dishes and tableware can be efficiently conveyed between floors, a attendant is not required to go upstairs and downstairs, and the working strength of the attendant can be greatly reduced.
The existing dish-transferring elevator has similar structure to the common elevator, and has the following defects when used as the dish-transferring elevator: the inertial force of the elevator in the starting stage easily causes tableware or food in the dish conveying elevator to jolt and shake, so that the problem of tableware damage or food scattering occurs.
Disclosure of Invention
Based on this, it is necessary to provide an automatic dish-transferring elevator to solve the problems of the current dish-transferring elevator, and the dish-transferring elevator can automatically push tableware or food to the center of the storage cavity when starting, then clamp the tableware or food, so as to avoid the damage to the tableware or the falling of the food caused by the overlarge instantaneous acceleration of the dish-transferring elevator.
The above purpose is achieved by the following technical scheme:
an automatic dish conveying elevator comprises:
the box body is opened at one side and extends inwards to form a containing cavity;
clamping rods are rotatably arranged at four corners of the bottom of the storage cavity, and can move along a preset track to be close to or far away from the center of the storage cavity;
the guide rails are positioned at four corners of the box body and extend along the vertical direction;
the damping plate is arranged at the lower part of the box body in a sliding manner, and can move along the left-right direction so as to be in contact with or separated from the guide rail;
the rolling shaft is rotatably arranged at the lower part of the box body and is in rolling contact with the guide rail;
the transmission assembly is used for transmitting the rotation of the rolling shaft to the clamping rod, so that the clamping rod can move along a preset track and further approaches to the center of the storage cavity;
the speed control assembly is used for limiting the continuous increase of the clamping force after the clamping force between the clamping rod and the clamped object reaches a preset value, and simultaneously enabling the damping plate to be separated from the guide rail.
In one embodiment, the transmission assembly comprises a first cylindrical gear, a second cylindrical gear, a worm wheel and a central column, wherein the first cylindrical gear is sleeved on the rolling shaft, the second cylindrical gear is rotatably arranged on the box body, the second cylindrical gear is meshed with the first cylindrical gear, the worm is coaxially connected with the second cylindrical gear, the central column is rotatably arranged at the bottom of the box body, and the worm wheel and the central column can synchronously rotate;
the transmission assembly further comprises a central gear, an upper planet gear, a lower planet gear and a toothed ring, wherein the central gear is sleeved outside the central column, the toothed ring is arranged inside the box and is located above the central gear, the upper end of the central gear is further coaxially and fixedly connected with an inner gear, a reversing gear is meshed between the inner side of the toothed ring and the inner gear, the lower planet gear is rotatably arranged in the box, the lower planet gear is meshed with the central gear, the upper planet gear is coaxially arranged and rotatably connected with the lower planet gear, the upper planet gear is meshed with the outer ring of the toothed ring, pawls are respectively arranged on the inner peripheral walls of the lower planet gear and the upper planet gear, a ratchet wheel is arranged at the centers of the lower planet gear and the upper planet gear and can be in stop fit with the pawls, the lower end of the ratchet wheel is rotatably connected to the box, the upper end of the ratchet wheel is penetrated into a storage cavity, one end of the ratchet wheel located in the storage cavity is connected with a pinion, and the side of the clamping rod is provided with a rack which is meshed with the pinion.
In one embodiment, a torsion spring is arranged between the ratchet wheel and the box body, one end of the torsion spring is connected to the box body, and the other end of the torsion spring is connected to the ratchet wheel;
the pawl can also rotate a preset angle in a direction away from the ratchet wheel so that the pawl and the ratchet wheel are out of the stop, and when the pawl and the ratchet wheel are out of the stop, the ratchet wheel is reset under the action of the torsion spring.
In one embodiment, the speed control assembly comprises a first thread groove, a second thread groove, a transmission thread and an extrusion conical surface, wherein the first thread groove is formed in the central hole wall of the worm wheel, the second thread groove is formed in the central hole wall of the central gear, the transmission thread is arranged on the outer peripheral surface of the central column, and the transmission thread can be meshed with the first thread groove and the second thread groove;
the extrusion conical surface is arranged at the lower part of the center column, and the extrusion conical surface is in stop contact with the damping plate.
In one embodiment, a compression spring is arranged between the lower part of the box body and the central column.
In one embodiment, the guide rail is provided with a friction surface, and the friction surface extends along the vertical direction.
In one embodiment, rollers are further arranged at two ends of the roller, and the rollers are in rolling contact with the friction surface.
In one embodiment, the guide rail is further provided with an oblique braking surface, and the oblique braking surface extends along the vertical direction.
In one embodiment, the center column is also provided with a speed sensor, the lower part of the box body is provided with an electric push rod, the electric push rod is electrically connected with the speed sensor, and the electric push rod is also connected with the damping plate;
when the speed sensor detects that the speed reaches a preset value, the electric push rod pushes the damping plate to move towards the direction close to the inclined braking surface until the damping plate is abutted against the inclined braking surface.
In one embodiment, the top of the box body is connected with the traction machine through a steel cable, and the box body is driven to move in the vertical direction through the traction machine.
The beneficial effects of the invention are as follows:
according to the invention, the clamping rods, the damping plates, the box body and the guide rail are arranged, when the elevator is just started, the damping plates are abutted against the guide rail, so that the instantaneous acceleration of the box body is very small, the damage to tableware or the food spilling caused by overlarge acceleration is avoided, meanwhile, the four damping plates move towards the center of the containing cavity, firstly, the article to be clamped is pushed to the center of the containing cavity, then the article to be clamped is clamped, after the clamping rods clamp the article to be clamped, the damping plates are separated from the guide rail, so that the box body can accelerate to move, the dish conveying efficiency is improved, and after the box body moves to a designated position and stops, the clamping rods automatically cancel the clamping of the article to be clamped, so that service personnel can conveniently take out the tableware or the food.
Drawings
Fig. 1 is an overall schematic diagram of an automatic dish-transferring elevator of the present invention;
fig. 2 is a diagram showing a structure of a transmission assembly of the automatic dish-transferring elevator of the present invention;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2A;
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 2;
FIG. 5 is an enlarged schematic view of the structure of FIG. 2 at C;
fig. 6 is a diagram of the structure of a box body in the automatic dish transferring elevator of the invention;
fig. 7 is a front view of an automatic dish transferring elevator of the present invention;
FIG. 8 is a cross-sectional view taken at F-F in FIG. 7;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8 at D;
fig. 10 is an enlarged schematic view of the structure at E in fig. 8.
Wherein:
100. a case; 110. a storage chamber; 200. a clamping rod; 210. a rack; 300. a guide rail; 310. a friction surface; 320. oblique braking surface; 400. a damping plate; 500. a roller; 510. a roller; 600. a transmission assembly; 610. a first cylindrical gear; 620. a second cylindrical gear; 630. a worm; 640. a worm wheel; 650. a center column; 660. a sun gear; 661. an internal gear; 671. a planet wheel is arranged; 672. a lower planet wheel; 680. a toothed ring; 690. a reversing gear; 700. a speed control assembly; 710. a first thread groove; 720. a second thread groove; 730. a drive screw; 740. extruding the conical surface; 750. a pressure spring; 810. a pawl; 820. a ratchet wheel; 821. a pinion gear; 830. a torsion spring; 900. a speed sensor.
Detailed Description
The present invention will be further described in detail below with reference to examples, which are provided to illustrate the objects, technical solutions and advantages of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device 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 invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1-10, an automatic dish-transferring elevator comprises a box body 100, a guide rail 300, a damping plate 400, a roller 500, a transmission assembly 600 and a speed control assembly 700, wherein one side of the box body 100 is opened and extends inwards to form a storage cavity 110, clamping rods 200 are rotatably arranged at four corners of the bottom of the storage cavity 110, the clamping rods 200 can move along a preset track and further approach or keep away from the center of the storage cavity 110, the guide rail 300 is positioned at four corners of the box body 100, the guide rail 300 extends along a vertical direction, the damping plate 400 is slidably arranged at the lower part of the box body 100, the damping plate 400 can move along the left-right direction and further abut against or separate from the guide rail 300, the roller 500 is rotatably arranged at the lower part of the box body 100, the roller 500 is in rolling contact with the guide rail 300, the transmission assembly 600 is used for transmitting rotation of the roller 500 to the clamping rods 200, so that the clamping rods 200 can move along the preset track and then approach the center of the storage cavity 110, and the speed control assembly 700 is used for limiting the clamping force to continue to increase after the clamping force between the clamping rods 200 and a clamped object reaches a preset value, and simultaneously enabling the damping plate 400 to separate from the guide rail 300 from abutting against.
It is also added that the top of the case 100 is connected to a traction machine through a wire rope for driving the case 100 to move in a vertical direction by the traction machine.
It should be further added that, in the present invention, the damping plate 400 and the guide rail 300 are required to be disposed to be in contact with each other in the initial state, so that when the case 100 moves, the damping plate 400 and the guide rail 300 will rub against each other to generate a large resistance to slow down the moving speed of the case 100, so as to slow down the initial acceleration of the case 100 when starting, and prevent the clamped object from shaking before the clamping rod 200 stabilizes the clamped object.
During the use, waiter or kitchen staff puts the tableware or the food (hereinafter referred to as clamped object) of waiting to transport in holding chamber 110 earlier, when needs box 100 vertically upwards moves, start the hauler, make the hauler drive box 100 vertically upwards remove through the steel cable, roller bearing 500 still rolls upwards along guide rail 300 when following box 100 and upwards vertically remove this moment, transmission assembly 600 is with the rotation transmission of roller bearing 500 to clamping lever 200, make clamping lever 200 remove along predetermineeing the orbit, four clamping levers 200 and then be close to clamped object, will be pushed away by clamped object to the center of holding chamber 110 and press from both sides between four clamping levers 200, the restriction is by the rocking of clamping object in the horizontal direction, prevent tableware damage or food unrestrained, as clamping lever 200 continues to be close to by clamped object, after clamping force between clamping lever 200 and the clamped object reaches the predetermined value, this time control module 700 makes clamping lever 200 no longer be close to by clamped object, clamping force is stable at the predetermined value and is no longer increased, simultaneously control module makes and can break away from clamping plate 300 and is in order to prevent from being in the vertical movement of clamping chamber 100 because of clamping lever 100, simultaneously, can prevent from being broken by the vertical damping device 400 and the box 100 from upwards moving in the process of clamping chamber 100.
In a further embodiment, as shown in fig. 2, 4, 5 and 9, the transmission assembly 600 includes a first cylindrical gear 610, a second cylindrical gear 620, a worm 630, a worm wheel 640 and a central post 650, the first cylindrical gear 610 is sleeved on the roller 500, the second cylindrical gear 620 is rotatably disposed on the case 100, the second cylindrical gear 620 is meshed with the first cylindrical gear 610, the worm 630 is coaxially connected with the second cylindrical gear 620, the central post 650 is rotatably disposed at the bottom of the case 100, the worm wheel 640 and the central post 650 can synchronously rotate, the transmission assembly 600 further includes a central gear 660, an upper planetary gear 671, a lower planetary gear 672 and a toothed ring 680, the central gear 660 is sleeved outside the central post 650, the toothed ring 680 is disposed inside the case 100 and above the central gear 660, the upper end of the sun gear 660 is also coaxially and fixedly connected with an inner gear 661, the inner side of the toothed ring 680 and the inner gear 661 are meshed with a reversing gear 690, the reversing gear 690 is rotationally connected to the box body 100, the lower planet gear 672 is rotationally arranged in the box body 100, the lower planet gear 672 is meshed with the sun gear 660, the upper planet gear 671 is coaxially arranged and rotationally connected with the lower planet gear 672, the upper planet gear 671 is meshed with the outer ring of the toothed ring 680, pawls 810 are arranged on the inner peripheral walls of the lower planet gear 672 and the upper planet gear 671, a ratchet 820 is arranged at the centers of the lower planet gear 672 and the upper planet gear 671, the ratchet 820 and the pawls 810 can be in blocking fit, the lower end of the ratchet 820 is rotationally connected to the box body 100, the upper end of the ratchet 820 penetrates into the accommodating cavity 110, one end of the ratchet 820 in the accommodating cavity 110 is connected with a pinion 821, the side of the clamping rod 200 is provided with a rack 210, and the rack 210 is meshed with the pinion 821.
In use, as shown in fig. 4, the rotation of the roller 500 drives the first cylindrical gear 610 to rotate, the first cylindrical gear 610 drives the second cylindrical gear 620 to rotate, the second cylindrical gear 620 drives the worm 630 to rotate, as shown in fig. 9, the worm 630 drives the worm wheel 640 to rotate, the worm wheel 640 drives the center post 650 to rotate, the center post 650 drives the center gear 660 to rotate, as shown in fig. 2, the center gear 660 is integrally connected with the inner gear 661, the center gear 660 drives the inner gear 661 to rotate, under the guiding action of the reversing gear 690, as shown in fig. 5, the rotation directions of the toothed ring 680 and the center gear 660 are opposite, so that the rotation directions of the upper planet 671 and the lower planet 672 are opposite, and thus, any one of the upper planet 671 and the lower planet 672 can push the ratchet 820 to rotate by the pawl 810 arranged on the ratchet wheel 820, and the rotation of the ratchet 820 drives the pinion 821 to rotate, and the rotation of the pinion 821 drives the clamping lever 200 to move so that the four clamping levers 200 synchronously move toward the center of the receiving cavity 110 and approach to the clamped object.
It should be further added that, as shown in fig. 1, guide bars are further required to be disposed at four corners of the accommodating cavity 110, and the movement of the clamping rod 200 is guided and limited by the guide bars, so that the clamping rod 200 can move along a preset track.
It should be further added that the upper planetary gear 671 and the lower planetary gear 672 are provided, and the rotation directions of the upper planetary gear 671 and the lower planetary gear 672 are always opposite, so that in the process of ascending or descending the box body 100, one of the upper planetary gear 671 and the lower planetary gear 672 can drive the ratchet 820 to rotate through the pawl 810 thereon, thereby driving the pinion 821 to rotate through the rotation of the ratchet 820, and further driving the clamping rod 200 to move along the preset track.
In a further embodiment, as shown in fig. 5, a torsion spring 830 is disposed between the ratchet 820 and the case 100, the torsion spring 830 is used for resetting the ratchet 820 after the case 100 stops moving, one end of the torsion spring 830 is connected to the case 100, the other end of the torsion spring 830 is connected to the ratchet 820, the pawl 810 can rotate a preset angle away from the ratchet 820 to enable the pawl 810 to be out of the stop with the ratchet 820, and after the pawl 810 is out of the stop with the ratchet 820, the ratchet 820 is reset under the action of the torsion spring 830.
In the process of rotating the ratchet 820, the torsion spring 830 gradually stores force, after the box 100 stops moving, the pawl 810 rotates to a preset angle away from the ratchet 820, so that the pawl 810 and the ratchet 820 are in a position which can not be blocked and matched, at the moment, under the action of the torsion spring 830, the ratchet 820 reversely rotates, so that the clamping rod 200 does not apply clamping acting force to a clamped object, at the moment, a service person can take tableware or food out of the storage cavity 110, the tableware or food can be prevented from being damaged, and the service person is convenient to take the food or the tableware.
In order to enable the pawl 810 to rotate a preset angle in a direction away from the ratchet 820 so that the pawl 810 and the ratchet 820 are separated from each other, specifically, a small electric push rod can be arranged on the inner peripheral walls of the upper planetary gear 671 and the lower planetary gear 672, the telescopic end of the small electric push rod is connected with the pawl 810, so that the pawl 810 is driven to rotate through movement of the telescopic end of the small electric push rod, after the box 100 stops moving, the small electric push rod is self-started to drive the pawl 810 to rotate a preset distance in a direction away from the ratchet 820 so that the pawl 810 and the ratchet 820 are separated from each other, and the ratchet 820 is reset under the action of the torsion spring 830.
In a further embodiment, as shown in fig. 9, the speed control assembly 700 includes a first thread groove 710, a second thread groove 720, a transmission thread 730 and a pressing cone 740, the first thread groove 710 is formed on a central hole wall of the worm wheel 640, the second thread groove 720 is formed on a central hole wall of the sun gear 660, the transmission thread 730 is formed on an outer circumferential surface of the central column 650, the transmission thread 730 can be engaged with both the first thread groove 710 and the second thread groove 720, the pressing cone 740 is formed at a lower portion of the central column 650, and the pressing cone 740 is in blocking contact with the damping plate 400.
It should be further added that the guide rail 300 is provided with a friction surface 310, the friction surface 310 extends in a vertical direction, and the damping plate 400 can be contacted with the friction surface 310, so that the damping effect of the damping plate 400 is improved.
It should be further added that, the two ends of the roller 500 are further provided with rollers 510, and the rollers 510 are in rolling contact with the friction surface 310, so as to avoid abrasion caused by direct contact between the roller 500 and the friction surface 310; when the roller 510 is worn, only the roller 510 needs to be replaced, so that the replacement cost of accessories can be reduced.
When the clamping rod 200 clamps the clamped object, the clamping force between the clamping rod 200 and the clamped object reaches a preset value, and at this time, the acting force between the second thread groove 720 and the transmission thread 730 is greater than the rotation resistance of the central gear 660, the central gear 660 is no longer rotated, the central column 650 moves along the axis thereof, as shown in fig. 10, the extrusion conical surface 740 is in blocking contact with the damping plate 400, and the movement of the central column 650 further pushes the damping plate 400 to move away from the central column 650, as shown in fig. 3, the damping plate 400 moves away from the friction surface 310, so that the damping plate 400 is separated from the friction surface 310.
It is also added that, in order to make the damping plate 400 abut against the friction surface 310 in the initial state, specifically, a pressure spring may be provided between the damping plate 400 and the case 100 such that the pressure spring is in a compressed state when the friction surface 310 abuts against the damping plate 400.
It is also added that a compression spring 750 is provided between the lower portion of the case 100 and the center post 650, and the compression spring 750 is provided for resetting the center post 650, so that the center post 650 is reset to the initial position when the case 100 stops moving.
In a further embodiment, as shown in fig. 3 and 10, the guide rail 300 is further provided with an oblique braking surface 320, the oblique braking surface 320 extends along the vertical direction, the center column 650 is further provided with a speed sensor 900, the lower part of the box 100 is provided with an electric push rod, the electric push rod is electrically connected with the speed sensor 900, the electric push rod is further connected with the damping plate 400, and when the speed sensor 900 detects that the speed reaches a preset value, the electric push rod pushes the damping plate 400 to move towards the direction close to the oblique braking surface 320 until the damping plate 400 abuts against the oblique braking surface 320.
When the case 100 accidentally falls, the falling speed of the case 100 is fast, so that the rotation speed of the center post 650 is fast, and when the speed sensor 900 detects that the rotation speed of the center post 650 reaches a preset value, the electric push rod is automatically started, and the electric push rod pushes the damping plate 400 to move in a direction approaching to the inclined braking surface 320, so that the pressure between the damping plate 400 and the inclined braking surface 320 is increased, and further, the friction between the damping plate 400 and the inclined braking surface 320 is increased, so that the falling speed of the case 100 is reduced, and the case 100 is gradually braked.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (10)
1. An automatic pass dish elevator, characterized by comprising:
the box body is opened at one side and extends inwards to form a containing cavity;
clamping rods are rotatably arranged at four corners of the bottom of the storage cavity, and can move along a preset track to be close to or far away from the center of the storage cavity;
the guide rails are positioned at four corners of the box body and extend along the vertical direction;
the damping plate is arranged at the lower part of the box body in a sliding manner, and can move along the left-right direction so as to be in contact with or separated from the guide rail;
the rolling shaft is rotatably arranged at the lower part of the box body and is in rolling contact with the guide rail;
the transmission assembly is used for transmitting the rotation of the rolling shaft to the clamping rod, so that the clamping rod can move along a preset track and further approaches to the center of the storage cavity;
the speed control assembly is used for limiting the continuous increase of the clamping force after the clamping force between the clamping rod and the clamped object reaches a preset value, and simultaneously enabling the damping plate to be separated from the guide rail.
2. The automatic dish conveying elevator according to claim 1, wherein the transmission assembly comprises a first cylindrical gear, a second cylindrical gear, a worm wheel and a central column, the first cylindrical gear is sleeved on the rolling shaft, the second cylindrical gear is rotatably arranged on the box body, the second cylindrical gear is meshed with the first cylindrical gear, the worm is coaxially connected with the second cylindrical gear, the central column is rotatably arranged at the bottom of the box body, and the worm wheel and the central column can synchronously rotate;
the transmission assembly further comprises a central gear, an upper planet gear, a lower planet gear and a toothed ring, wherein the central gear is sleeved outside the central column, the toothed ring is arranged inside the box and is located above the central gear, the upper end of the central gear is further coaxially and fixedly connected with an inner gear, a reversing gear is meshed between the inner side of the toothed ring and the inner gear, the lower planet gear is rotatably arranged in the box, the lower planet gear is meshed with the central gear, the upper planet gear is coaxially arranged and rotatably connected with the lower planet gear, the upper planet gear is meshed with the outer ring of the toothed ring, pawls are respectively arranged on the inner peripheral walls of the lower planet gear and the upper planet gear, a ratchet wheel is arranged at the centers of the lower planet gear and the upper planet gear and can be in stop fit with the pawls, the lower end of the ratchet wheel is rotatably connected to the box, the upper end of the ratchet wheel is penetrated into a storage cavity, one end of the ratchet wheel located in the storage cavity is connected with a pinion, and the side of the clamping rod is provided with a rack which is meshed with the pinion.
3. The automatic dish conveying elevator according to claim 2, wherein a torsion spring is arranged between the ratchet wheel and the box body, one end of the torsion spring is connected to the box body, and the other end of the torsion spring is connected to the ratchet wheel;
the pawl can also rotate a preset angle in a direction away from the ratchet wheel so that the pawl and the ratchet wheel are out of the stop, and when the pawl and the ratchet wheel are out of the stop, the ratchet wheel is reset under the action of the torsion spring.
4. The automatic dish conveying elevator according to claim 3, wherein the speed control assembly comprises a first thread groove, a second thread groove, a transmission thread and an extrusion conical surface, the first thread groove is formed in a central hole wall of the worm wheel, the second thread groove is formed in a central hole wall of the central gear, the transmission thread is formed in the outer peripheral surface of the central column, and the transmission thread can be meshed with the first thread groove and the second thread groove;
the extrusion conical surface is arranged at the lower part of the center column, and the extrusion conical surface is in stop contact with the damping plate.
5. The automatic dish transferring elevator according to claim 4, wherein a compression spring is provided between the lower part of the case and the center post.
6. The automatic dish transferring elevator according to claim 2, wherein the guide rail is provided with a friction surface, and the friction surface extends in a vertical direction.
7. The automatic dish transferring elevator according to claim 6, wherein rollers are further arranged at two ends of the roller, and the rollers are in rolling contact with the friction surface.
8. The automatic dish transferring elevator according to claim 6, wherein the guide rail is further provided with an oblique braking surface, and the oblique braking surface extends in a vertical direction.
9. The automatic dish conveying elevator according to claim 2, wherein a speed sensor is further arranged on the center column, an electric push rod is arranged at the lower part of the box body and is electrically connected with the speed sensor, and the electric push rod is further connected with the damping plate;
when the speed sensor detects that the speed reaches a preset value, the electric push rod pushes the damping plate to move towards the direction close to the inclined braking surface until the damping plate is abutted against the inclined braking surface.
10. The automatic dish transferring elevator according to claim 1, wherein the top of the box body is connected with a traction machine through a steel cable, and the automatic dish transferring elevator is used for driving the box body to move in the vertical direction through the traction machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410153610.9A CN117682412B (en) | 2024-02-04 | 2024-02-04 | Automatic pass dish elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410153610.9A CN117682412B (en) | 2024-02-04 | 2024-02-04 | Automatic pass dish elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117682412A true CN117682412A (en) | 2024-03-12 |
| CN117682412B CN117682412B (en) | 2024-04-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006061841A1 (en) * | 2006-12-21 | 2008-07-03 | Brimato Technologie Gmbh | Platform dispenser cart for canteen kitchen, has platform fastened to springs for accommodating stackable crockery parts, and lifting device supporting stroke movement of platform, where lifting device is movable independent of platform |
| CN106429272A (en) * | 2016-11-24 | 2017-02-22 | 广州汇宏品牌管理有限公司 | Intelligent dish passing device and method and method for passing back empty plates |
| CN212769302U (en) * | 2020-07-30 | 2021-03-23 | 恒达富士电梯有限公司 | Dish passing elevator for dining room |
| CN112707277A (en) * | 2020-12-22 | 2021-04-27 | 赵晓静 | Dish conveying machine |
| WO2021253687A1 (en) * | 2020-06-19 | 2021-12-23 | 广东智源机器人科技有限公司 | Cooking device, automated catering system and clamping claw device |
-
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- 2024-02-04 CN CN202410153610.9A patent/CN117682412B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006061841A1 (en) * | 2006-12-21 | 2008-07-03 | Brimato Technologie Gmbh | Platform dispenser cart for canteen kitchen, has platform fastened to springs for accommodating stackable crockery parts, and lifting device supporting stroke movement of platform, where lifting device is movable independent of platform |
| CN106429272A (en) * | 2016-11-24 | 2017-02-22 | 广州汇宏品牌管理有限公司 | Intelligent dish passing device and method and method for passing back empty plates |
| WO2021253687A1 (en) * | 2020-06-19 | 2021-12-23 | 广东智源机器人科技有限公司 | Cooking device, automated catering system and clamping claw device |
| CN212769302U (en) * | 2020-07-30 | 2021-03-23 | 恒达富士电梯有限公司 | Dish passing elevator for dining room |
| CN112707277A (en) * | 2020-12-22 | 2021-04-27 | 赵晓静 | Dish conveying machine |
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| Publication number | Publication date |
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| CN117682412B (en) | 2024-04-30 |
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