CN212608969U - Escalator device for shopping cart - Google Patents
Escalator device for shopping cart Download PDFInfo
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- CN212608969U CN212608969U CN202021538345.XU CN202021538345U CN212608969U CN 212608969 U CN212608969 U CN 212608969U CN 202021538345 U CN202021538345 U CN 202021538345U CN 212608969 U CN212608969 U CN 212608969U
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- conveying chain
- escalator
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Abstract
The utility model belongs to the technical field of the elevator product, specifically disclose staircase device for shopping cart, including staircase truss and staircase track, install respectively on the staircase truss and go upward/down the operation device, the operation device includes drive arrangement, and use the staircase truss to become symmetrical arrangement's lower horizontal transfer chain as the center by the drive arrangement drive, the slope transfer chain, go up horizontal transfer chain, all be connected with on each chain of transfer chain and form conflict contact with shopping cart rear side stand and can drive the push rod structure of shopping cart motion when the elevator goes upward or is down, the slope transfer chain respectively with rather than adjacent last horizontal transfer chain in the level to the projection, the tip position of lower horizontal transfer chain has partial coincidence, lower horizontal transfer chain, the slope transfer chain, the bottom of going up horizontal transfer chain all is equipped with the roll bearing structure who supports on the staircase truss. This staircase device can effectual reduction carry the pressure that the chain produced at the bending part, stability during guaranteeing the chain drive can effectively improve its life, and easy dismounting is convenient for the maintenance and the maintenance of staircase simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the staircase product, in particular to staircase device for shopping cart.
Background
In the prior art, the escalator device for the shopping cart generally performs transmission work through a flexible endless revolving chain, for example, the utility model with the publication number of CN111056415A is named as a special elevator for the shopping cart, which comprises a steel frame, a skirt panel arranged on the steel frame, and a support plate for supporting wheels of the shopping cart; the transmission device is used for pushing the shopping cart handle to move along the supporting plate; the transmission device comprises a transmission chain, a clamping mechanism connected with the transmission chain and used for clamping the shopping cart handle, a chain wheel arranged on the transmission chain and a power part used for driving the chain wheel. The chain links of the transmission chain used in the special elevator can be bent straight and transversely, but the chain has the obvious defects that the service life of the chain is not long, abnormal sound and vibration can be generated in the transmission process of the chain, the chain mainly generates at the bending part of the chain belt, the chain links are extruded and bent, in the ascending and descending inclined sections of the shopping cart, the clamping mechanism arranged on the chain can simultaneously receive force vertical to the chain plates and force parallel to the chain plates, the chain can be subjected to fatigue damage, and the special chain has the defects of high processing cost and difficult maintenance.
Therefore, it is urgent to develop an escalator device for a shopping cart, which can reduce the pressure generated at the bent portion of the chain, ensure the stability of the chain transmission and prolong the service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, disclosing a staircase device for shopping cart, this staircase device can effectual reduction carry the chain at the pressure that the crooked position produced, stability can when guaranteeing chain drive effectively improves its life, and easy dismounting is convenient for the maintenance and the maintenance of staircase simultaneously.
In order to achieve the technical purpose, the utility model discloses a realize according to following technical scheme:
the utility model relates to an escalator device for a shopping cart, which comprises an escalator truss and an escalator track, the escalator truss is respectively provided with an ascending running device and a descending running device, the running devices comprise driving devices, and a linear lower horizontal conveying chain, an inclined conveying chain and an upper horizontal conveying chain which are driven by a driving device and are symmetrically arranged by taking the escalator truss as the center, each chain of the lower horizontal conveying chain, the inclined conveying chain and the upper horizontal conveying chain is connected with a push rod structure which forms interference contact with the vertical column of the shopping cart and can drive the shopping cart to move when the elevator goes upwards or downwards, the horizontal projections of the inclined conveying chains are partially overlapped with the end positions of the upper horizontal conveying chain and the lower horizontal conveying chain which are adjacent to the inclined conveying chains, and rolling support structures supported on the escalator truss are arranged at the bottoms of the lower horizontal conveying chain, the inclined conveying chain and the upper horizontal conveying chain.
As a further improvement of the above technology, the driving device includes a driving main machine installed on the escalator truss and arranged in the middle, two lower gear boxes and two upper gear boxes symmetrically arranged with the escalator truss as the center, the driving main machine is provided with two output shafts which are symmetrical left and right, and the two output shafts are correspondingly and coaxially connected with the input shafts of the two lower gear boxes.
As a further improvement of the technology, in the ascending operation, the lower gear box is horizontally arranged on the bottom position of the escalator truss corresponding to the superposed part of the lower horizontal conveying chain and the inclined conveying chain; and in downward running, the lower gear box is arranged in a manner of being parallel to the inclined plane of the escalator truss and corresponds to the bottom position of the superposed part of the lower horizontal conveying chain and the inclined conveying chain.
As a further improvement of the above technology, the upper gear box includes an upper gear box top cover and an upper gear box base, three horizontally arranged cylindrical gears are vertically installed on the upper gear box base, three conical gears with an axis intersection angle of 17.5 ° are installed on the upper gear box base, and a third cylindrical gear arranged adjacently is coaxial with the first conical gear, wherein a gear shaft of the first cylindrical gear is a vertical output shaft which is coaxial with an upper end sprocket of the upper horizontal conveying chain and used for driving the upper horizontal conveying chain to move, and a gear shaft of the third conical gear is an inclined input shaft which is coaxial with an upper end sprocket of the inclined conveying chain to realize transmission inside the gear box.
As a further improvement of the technology, the lower gearbox comprises a lower gearbox top cover and a lower gearbox base, three cylindrical gears which are horizontally arranged are vertically arranged on the lower gear box base, three conical gears with the shaft intersection angle of 17.5 degrees are arranged on the lower gear box base, a third cylindrical gear which is adjacently arranged is coaxial with the first conical gear, wherein the gear shaft of the first cylindrical gear is a vertical output shaft which is coaxial with the chain wheel of the lower horizontal conveying chain and is used for driving the lower horizontal conveying chain to move, the gear shaft of the third cylindrical gear is a lower inclined output shaft, which is coaxial with a chain wheel at the lower end part of the inclined conveying chain and is used for driving the inclined conveying chain to move, and also comprises a pair of conical gear sets with the axial intersection angle of 90 degrees, which are arranged below the third cylindrical gear, the input end of the conical gear set is an input shaft, and the input shaft is correspondingly connected with an output shaft of the driving main machine through a coupler.
As a further improvement of the above technology, the lower horizontal conveying chain, the inclined conveying chain and the upper horizontal conveying chain have the same chain structure and each of the chain structures comprises a chain support, a plurality of chain wheels and a chain, the outer chain plates of the chain are connected to the inner chain links of the chain, the outer chain plates are L-shaped bending pieces, the push rod structures are push rods fixedly mounted on the outer sides of the outer chain plates of each section, when a shopping cart enters the escalator track, the left vertical column and the right vertical column at the rear part of the shopping cart are correspondingly clamped in a gap between the two adjacent push rods, and the push rods are cone structures which can facilitate the smooth clamping of the rear vertical column of the shopping cart into or out of the gap between the two push rods.
As a further improvement of the above technology, the rolling support structure is a support roller mounted at the bottom of the inner side of the outer link plate, the support roller is located below the chain, and the chain support is provided with a rolling guide rail matched with the support roller to roll.
As a further improvement of the technology, stainless steel wall protecting plates are arranged on two sides of the escalator track, and the wall protecting plates are correspondingly provided with slotted holes for the push rods to pass through.
As a further improvement of the technology, a C-shaped guide groove is arranged at the bottom of the escalator track, and a guide roller capable of sliding in the C-shaped guide groove is correspondingly arranged at the bottom of the front side of the shopping cart.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) in the utility model, the conveying chain is designed into three sections of linear lower horizontal conveying chain, inclined conveying chain and upper horizontal conveying chain, so that no bending part is provided, the pressure generated at the bending part of the chain is effectively reduced, the fatigue damage is generated, the stability of the chain during transmission is ensured, the service life of the chain is prolonged, and in addition, the three linear conveying chains are partially superposed on the horizontal projection at the end positions adjacent to each other, so that the feasibility of the operation of the escalator is ensured;
(2) in the utility model, because the push rod structure which forms the contact with the upright post of the shopping cart and can drive the shopping cart to move when the elevator goes up or down is arranged, the push rod arranged on each chain link outer chain plate is in contact with the upright posts on the left and right sides of the shopping cart, so that the left and right sides of the shopping cart can be tightly fixed, and the stability is good;
(2) in the utility model, the C-shaped guide groove is arranged on the escalator track, and the guide roller capable of sliding in the C-shaped guide groove is correspondingly arranged at the bottom of the front side of the shopping cart so as to limit the left and right deflection of the head of the shopping cart in the transmission process;
(2) escalator device for shopping cart, because the conveying chain is mutually independent three-section orthoscopic structure, when needs maintenance change, can be solitary pull down the maintenance change for staircase maintenance easy maintenance, cost of maintenance is lower.
Drawings
The invention will be described in detail with reference to the following drawings and specific embodiments:
FIG. 1 is a schematic view of the structure of the escalator device for a shopping cart of the present invention;
FIG. 2 is a schematic structural view (with the guard wall plate removed) of the escalator device for a shopping cart according to the present invention during upward transmission;
FIG. 3 is a schematic view of the structure of the escalator installation for a shopping cart according to the present invention during downward travel (with the guard wall removed);
FIG. 4 is a schematic structural view of the middle ascending operation device of the present invention;
fig. 5 is a schematic structural view of the middle and lower running device of the present invention;
FIG. 6 is a schematic view of the structure of the middle driving device, the lower horizontal conveying chain and the inclined conveying chain;
FIG. 7 is a schematic view of the external structure of the lower gearbox;
FIG. 8 is a schematic view of the internal structure of the lower gearbox;
FIG. 9 is a schematic structural view of the outer appearance of the upper gearbox;
FIG. 10 is a schematic view of the internal structure of the upper gearbox;
FIG. 11 is a front view of an up/down horizontal conveyor chain or an inclined conveyor chain;
FIG. 12 is the view taken along line A-A of FIG. 11;
FIG. 13 is a schematic view of a portion of the escalator assembly in an upward travel position for a shopping cart;
fig. 14 is a partial structure schematic diagram of a descending operation part of the escalator device for the shopping cart.
Detailed Description
As shown in fig. 1 to 5, the escalator device for shopping cart according to the present invention comprises an escalator truss 10 and an escalator track 20, wherein two sets of up and down running devices 30, 30 ' are respectively installed on the escalator truss 10, each set of up and down running device comprises a driving device 31, 31 ', and a lower horizontal conveying chain 32, an inclined conveying chain 33, and an upper horizontal conveying chain 34 which are driven by the driving devices 31, 31 ' and symmetrically arranged with the escalator truss 10 as the center, each chain of the lower horizontal conveying chain 32, the inclined conveying chain 33, and the upper horizontal conveying chain 34 is connected with a push rod structure 40 which forms an interference contact with the vertical column of the shopping cart 70 and can drive the shopping cart 70 to move when the elevator goes up or down, the inclined conveying chain 33 has a partial coincidence with the end positions of the upper horizontal conveying chain 34 and the lower horizontal conveying chain 32 adjacent thereto in the horizontal projection, the bottom of the lower horizontal conveying chain 32, the inclined conveying chain 33 and the upper horizontal conveying chain 34 are all provided with a rolling support structure 50 supported on the escalator truss 10.
For two different modes of operation (as shown in fig. 4 to 6) for upstream and downstream operation:
(1) the driving devices of the two modes have basically the same structure, specifically, the driving devices 31 and 31 ' include driving main machines 35 and 35 ' arranged in the middle on the escalator truss 10, two lower gear boxes 36/36 ' and two upper gear boxes 37 symmetrically arranged with the escalator truss 10 as the center, the driving main machines 35 and 35 ' are provided with two output shafts which are symmetrical left and right, and the two output shafts are correspondingly and coaxially connected with the input shaft of the lower gear box 36/36 '.
(2) The two drive systems differ in that:
in the upward operation, the lower gear box 36 is horizontally installed on the escalator truss 10 at a position corresponding to the bottom of the overlapped part of the lower horizontal conveying chain 32 and the inclined conveying chain 33.
In the downward running operation, the lower gear box 36' is installed in parallel with the inclined surface of the escalator truss 10 and corresponds to the bottom position of the overlapped part of the lower horizontal conveying chain 32 and the inclined conveying chain 33.
As shown in fig. 7, 8, the lower gear box 36 includes a lower gear box top cover 361, a lower gear box base 362, three horizontally arranged cylindrical gears 363 vertically mounted on the lower gear box base 362, three conical gears 364 having an axis intersection angle of 17.5 ° mounted on the lower gear box base 362, and a third cylindrical gear arranged adjacently and coaxially with the first conical gear, wherein a gear shaft of the first cylindrical gear is the above-mentioned vertical output shaft 365 which is coaxial with the upper end sprocket 342 of the lower horizontal conveying chain 32 for driving the movement of the lower horizontal conveying chain 32, a gear shaft of the third cylindrical gear is an oblique output shaft 366 which is coaxial with the lower end sprocket of the oblique conveying chain 33 for driving the movement of the oblique conveying chain 33, and further, a pair of conical gear sets 367 having an axis intersection angle of 90 ° is mounted below the third cylindrical gear, an input end of the conical gear sets 368, the input shaft 368 is correspondingly connected with the output shaft of the driving main unit 35, 35' through the coupling 38.
As shown in fig. 9 and 10, the upper gear box 37 includes an upper gear box top cover 371 and an upper gear box base 372, three horizontally arranged cylindrical gears 373 are vertically mounted on the upper gear box base 372, three conical gears 374 with an intersecting axis angle of 17.5 ° are mounted on the upper gear box base 372, and a third cylindrical gear arranged adjacently is coaxial with the first conical gear, wherein a gear shaft of the first cylindrical gear is a vertical output shaft 375 which is coaxial with the upper end sprocket 341 of the upper horizontal conveying chain 34 for driving the movement of the upper horizontal conveying chain 34, and a gear shaft of the third conical gear is an inclined input shaft 376 which is coaxial with the upper end sprocket 331 of the inclined conveying chain 33 for realizing the transmission inside the upper gear box 37.
As shown in fig. 11 and 12, the chain structures of the lower horizontal conveying chain 32, the inclined conveying chain 33 and the upper horizontal conveying chain 34 are the same, and each chain structure includes a chain support 301, a plurality of chain wheels 302 and a chain 303, the outer link plates 304 of the chain 303 are connected to inner links of the chain, the outer link plates 304 are L-shaped bending members, the push rod structures 40 are push rods fixedly installed at the outer sides of each section of the outer link plate, and when the shopping cart 70 enters the escalator track 20, the left and right upright posts 71 at the rear part of the shopping cart 70 are correspondingly engaged in the gap between two adjacent push rods.
As shown in fig. 12, the rolling support structure 50 is a support roller installed at the bottom of the inner side of the outer link plate 304, the support roller is located below the chain 303, and the chain bracket 301 is provided with a rolling guide 3011 for the support roller to roll.
As shown in fig. 13 and 14, the escalator track 20 is provided with a C-shaped guide groove 21, and a guide roller 72 slidable in the C-shaped guide groove 21 is correspondingly mounted on the bottom of the front side of the shopping cart 70.
Stainless steel dado plates 60 are arranged on two sides of the escalator track 20, a slotted hole 61 for the push rod structure 40 to pass through is correspondingly formed in each dado plate 60, and mutual interference between the push rod structure 40 and the stainless steel dado plates 60 is avoided due to the arrangement of the push rod structure 40.
The working process of the escalator device for the shopping cart of the utility model is described in detail as follows:
(1) during the ascending operation, the shopping cart 70 enters the bottom plane of the escalator track 20, then the shopping cart 70 is clamped by the push rod structure 40 installed on the lower horizontal conveying chain 32, the driving host 35 sequentially drives the lower gear box 36, the lower horizontal conveying chain 32, the inclined conveying chain 33, the upper gear box 37 and the upper horizontal conveying chain 34 to finish the ascending conveying process, and the shopping cart 70 is smoothly output from the upper plane of the escalator track to finish the ascending process of the shopping cart 70;
(2) when the shopping cart 70 enters the top of the pair of escalator rails 20 during the downward movement, then the shopping cart 70 is clamped by the push rod structure 40 mounted on the upper horizontal conveying chain 34, the driving main machine 35 'sequentially drives the lower gear box 36', the lower horizontal conveying chain 32, the inclined conveying chain 33, the upper gear box 37 and the upper horizontal conveying chain 34 to move, and the shopping cart 70 is smoothly output from the bottom plane of the escalator rails, so that the descending process of the shopping cart 70 is completed.
The present invention is not limited to the above embodiments, and various modifications and variations of the present invention are not departed from the spirit and scope of the present invention, and if they fall within the claims and equivalent technical scope of the present invention, the present invention is also meant to include such modifications and variations.
Claims (10)
1. The utility model provides a shopping cart is with staircase device, includes staircase truss and staircase track, its characterized in that: the escalator truss is provided with an ascending/descending operation device respectively, the operation device comprises a driving device, and a linear lower horizontal conveying chain, an inclined conveying chain and an upper horizontal conveying chain which are driven by the driving device and are symmetrically arranged by taking the escalator truss as a center, each chain of the lower horizontal conveying chain, the inclined conveying chain and the upper horizontal conveying chain is connected with a push rod structure which forms collision contact with a straight column at the rear side of a shopping cart and can drive the shopping cart to move when an elevator ascends or descends, the horizontal projection of the inclined conveying chain is partially overlapped with the end positions of the upper horizontal conveying chain and the lower horizontal conveying chain adjacent to the inclined conveying chain, and the bottoms of the lower horizontal conveying chain, the inclined conveying chain and the upper horizontal conveying chain are provided with rolling support structures supported on the escalator truss.
2. The escalator arrangement for shopping carts of claim 1, wherein: the driving device comprises a driving main machine arranged on the escalator truss in the middle, two lower gear boxes and two upper gear boxes, wherein the two lower gear boxes and the two upper gear boxes are symmetrically arranged by taking the escalator truss as the center, the driving main machine is provided with two output shafts which are bilaterally symmetrical, and the two output shafts are correspondingly and coaxially connected with the input shafts of the two lower gear boxes.
3. The escalator arrangement for shopping carts of claim 2, wherein: when the escalator runs upwards, the lower gear box is horizontally arranged on the escalator truss at the bottom position corresponding to the superposed part of the lower horizontal conveying chain and the inclined conveying chain; and in downward running, the lower gear box is arranged in a manner of being parallel to the inclined plane of the escalator truss and corresponds to the bottom position of the superposed part of the lower horizontal conveying chain and the inclined conveying chain.
4. The escalator arrangement for shopping carts of claim 3, wherein: the upper gear box comprises an upper gear box top cover and an upper gear box base, three cylindrical gears which are horizontally arranged are vertically installed on the upper gear box base, three conical gears with the crossed axes of 17.5 degrees are installed on the upper gear box base, a third cylindrical gear which is arranged in a close mode is coaxial with the first conical gear, a gear shaft of the first cylindrical gear is a vertical output shaft and is coaxial with a chain wheel at the upper end of the upper horizontal conveying chain for driving the upper horizontal conveying chain to move, and a gear shaft of the third conical gear is an inclined input shaft and is coaxial with the chain wheel at the upper end of the inclined conveying chain for realizing transmission inside the gear box.
5. The escalator arrangement for shopping carts of claim 3, wherein: the lower gear box comprises a lower gear box top cover and a lower gear box base, three cylindrical gears which are horizontally arranged are vertically arranged on the lower gear box base, three conical gears with the shaft intersection angle of 17.5 degrees are arranged on the lower gear box base, a third cylindrical gear which is adjacently arranged is coaxial with the first conical gear, wherein the gear shaft of the first cylindrical gear is a vertical output shaft which is coaxial with the chain wheel of the lower horizontal conveying chain and is used for driving the lower horizontal conveying chain to move, the gear shaft of the third cylindrical gear is a lower inclined output shaft, which is coaxial with a chain wheel at the lower end part of the inclined conveying chain and is used for driving the inclined conveying chain to move, and also comprises a pair of conical gear sets with the axial intersection angle of 90 degrees, which are arranged below the third cylindrical gear, the input end of the conical gear set is an input shaft, and the input shaft is correspondingly connected with an output shaft of the driving main machine through a coupler.
6. The escalator arrangement for shopping carts of claim 1, wherein: the chain structure of lower horizontal conveyor chain, slope conveyor chain, the last horizontal conveyor chain is the same, all includes chain support, a plurality of sprocket, chain, the outer link joint of chain is on the inner chain link of chain, the outer link joint is the L type piece of bending, the push rod structure is the push rod in each section outer link joint outside for fixed mounting, and when the shopping cart got into the staircase track, the block that the right and left sides upright post at shopping cart rear portion corresponds was in the clearance between two adjacent push rods.
7. The escalator arrangement for shopping carts of claim 6, wherein: the push rod is of a cone structure.
8. The escalator arrangement for shopping carts of claim 6, wherein: the rolling support structure is a support roller arranged at the bottom of the inner side of the outer chain plate, the support roller is positioned below the chain, and a rolling guide rail matched with the support roller to roll is arranged on the chain support.
9. The escalator arrangement for shopping carts of claim 1, wherein: stainless steel wall protecting plates are arranged on two sides of the escalator, and a plurality of slotted holes for the push rods to pass through are correspondingly arranged on the wall protecting plates.
10. The escalator arrangement for shopping carts of claim 2, wherein: the bottom of the escalator track is provided with a C-shaped guide groove, and the bottom of the front side of the shopping cart is correspondingly provided with a guide roller capable of sliding in the C-shaped guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021538345.XU CN212608969U (en) | 2020-07-29 | 2020-07-29 | Escalator device for shopping cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021538345.XU CN212608969U (en) | 2020-07-29 | 2020-07-29 | Escalator device for shopping cart |
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| Publication Number | Publication Date |
|---|---|
| CN212608969U true CN212608969U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021538345.XU Active CN212608969U (en) | 2020-07-29 | 2020-07-29 | Escalator device for shopping cart |
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| CN (1) | CN212608969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111731977A (en) * | 2020-07-29 | 2020-10-02 | 广州广日电梯工业有限公司 | Escalator device for shopping cart |
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2020
- 2020-07-29 CN CN202021538345.XU patent/CN212608969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111731977A (en) * | 2020-07-29 | 2020-10-02 | 广州广日电梯工业有限公司 | Escalator device for shopping cart |
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