CN114623202A - RGV tow chain winding and unwinding devices - Google Patents
RGV tow chain winding and unwinding devices Download PDFInfo
- Publication number
- CN114623202A CN114623202A CN202011456439.7A CN202011456439A CN114623202A CN 114623202 A CN114623202 A CN 114623202A CN 202011456439 A CN202011456439 A CN 202011456439A CN 114623202 A CN114623202 A CN 114623202A
- Authority
- CN
- China
- Prior art keywords
- stage
- rgv
- drag chain
- fork
- scissor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 title claims description 4
- 238000010008 shearing Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 abstract description 8
- 230000004888 barrier function Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/12—Hauling- or hoisting-chains so called ornamental chains
- F16G13/16—Hauling- or hoisting-chains so called ornamental chains with arrangements for holding electric cables, hoses, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
Abstract
The invention belongs to the field of automatic logistics storage, and particularly relates to an RGV drag chain retracting device which comprises a fixed end bracket, a movable end bracket, a multi-stage scissor fork, a guide carrier roller, a connecting shaft, a traveling wheel and a drag chain. One end of the drag chain is fixedly connected with the fixed end bracket, the other end of the drag chain is fixedly connected with the movable end bracket, and the drag chain is distributed in an S shape along with the multi-stage shearing fork; when the RGV operates to drive the movable end support and further drive the multi-stage scissors to do telescopic motion, the drag chain expands or contracts along with the multi-stage scissors. The invention can ensure that no barrier exists in the travel range when the RGV is in a retraction state of the tow chain device, and the logistics channel transversely passing through the travel range is smooth, thereby greatly improving the flexibility of the layout of the logistics system and the space utilization rate; the invention completely moves synchronously with the RGV, the built-in cable is not subjected to tension, the structure is simple and reliable, and the cost is low; the RGV using the tow chain retractable device can adopt a wired communication mode which has high reliability, low cost and no environmental limitation.
Description
Technical Field
The invention belongs to the field of automatic logistics storage, and particularly relates to an RGV drag chain retracting device.
Background
RGV (Rail Guided vehicle) is used as an automatic material handling device with mature technology, low cost and high efficiency, and is very commonly applied in the field of automatic material flow storage, the power supply of the RGV generally adopts sliding contact line power supply or drag chain (built-in cable) power supply, the communication adopts wireless communication or drag chain (built-in cable) communication, but no matter which power supply and communication type is adopted, obstacles such as tracks, sliding contact lines, drag chains and the like can not be avoided above the ground in the range of the operation stroke, the material flow channel crossing the operation direction of the RGV is blocked, and the flexibility and the space utilization rate of the material flow system layout are greatly influenced; although the problem of blocking of the track can be solved by adopting the embedded track which is flush with the ground, the problem of blocking of the trolley line or the drag chain can still not be avoided.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an RGV tow chain retraction device.
The purpose of the invention is realized by the following technical scheme:
an RGV drag chain retracting device comprises a fixed end bracket, a movable end bracket, a multi-stage shear fork, a guide carrier roller, a connecting shaft, a traveling wheel and a drag chain;
the fixed end support is fixed on the ground, the movable end support is fixed at the lower part of the RGV, the lower part of one end of the multistage scissor is hinged with the fixed end support, the lower part of the other end of the multistage scissor is hinged with the movable end support, the two ends of a connecting shaft of a lower hinged point of the multistage scissor are respectively provided with the travelling wheels, and the connecting lines of all lower hinged points of the multistage scissor are parallel to the ground;
the multistage scissors are n in number, wherein n is a positive even number, n-1 hinge points are arranged on upper hinge points of the multistage scissors, and the guide carrier rollers are respectively arranged at odd-numbered positions of the upper hinge points;
one end of the drag chain is fixedly connected with the fixed end bracket, the other end of the drag chain is fixedly connected with the movable end bracket, and the drag chain sequentially bypasses the guide carrier roller and is distributed in an S shape along with the multi-stage shearing fork; when the RGV operates to drive the movable end support and further drive the multistage shearing fork to do telescopic motion, the drag chain expands or contracts along with the multistage shearing fork.
And guide flanges are arranged on two sides of each guide carrier roller.
The width of the multi-stage shearing fork is larger than that of the guide carrier roller.
The invention has the advantages and positive effects that:
1. the tow chain retracting device can ensure that when the RGV is at the initial position, namely the tow chain device is in a retracting state, the stroke range has no barrier, and the logistics channel transversely passing through the stroke range is smooth, so that the flexibility of the layout of a logistics system and the space utilization rate are greatly improved;
2. the tow chain retracting device provided by the invention completely moves synchronously with the RGV, the built-in cable is free from tension, the structure is simple and reliable, and the cost is low;
3. the RGV using the tow chain retractable device can adopt a wired communication mode which has high reliability, low cost and no environmental limitation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention when contracted;
FIG. 2 is a schematic view of the overall structure of the present invention when it is deployed;
FIG. 3 is a front view of the present invention;
FIG. 4 is a left side view of the present invention;
fig. 5 is a top view of the present invention.
In the figure: 1-fixed end bracket, 2-moving end bracket, 3-first-stage scissor, 301-first-stage outer fork I, 302-first-stage outer fork II, 303-first-stage inner fork I, 304-first-stage inner fork II, 305-first-stage scissor connecting shaft, 4-second-stage scissor, 401-second-stage outer fork I, 402-second-stage outer fork II, 403-second-stage inner fork I, 404-second-stage inner fork II, 405-second-stage scissor connecting shaft, 5-third-stage scissor, 501-third-stage outer fork I, 502-third-stage outer fork II, 503-third-stage inner fork I, 504-third-stage inner fork II, 505-third-stage scissor connecting shaft fork, 6-fourth-stage scissor fork, 601-fourth-stage outer fork I, 602-fourth-stage outer fork II, 603-fourth-stage inner fork I, 604-fourth-stage inner fork II, 605-fourth-stage scissor fork II, 7-connecting shaft I, 8-connecting shaft II, 9-connecting shaft III, 10-connecting shaft IV, 11-connecting shaft V, 12-connecting shaft VI, 13-drag chain, 14-guiding carrier roller I, 15-guiding carrier roller II, 16-walking wheel I, 17-walking wheel II, 18-walking wheel III, 19-walking wheel IV, 20-walking wheel V, 21-walking wheel VI and 100-RGV.
Detailed Description
The invention is described in further detail below with reference to figures 1-5.
An RGV tow chain winding and unwinding device comprises a fixed end support 1, a movable end support 2, a multi-stage shear fork, a guide carrier roller, a connecting shaft, a traveling wheel and a tow chain.
The fixed end support 1 is fixed on the ground, the movable end support 2 is fixed at the lower position of the RGV, the lower part of one end of the multistage scissor fork is hinged to the fixed end support 1, the lower part of the other end of the multistage scissor fork is hinged to the movable end support 2, walking wheels are arranged at two ends of a connecting shaft of a hinge joint at the lower part of the multistage scissor fork respectively, and connecting lines of all hinge joints at the lower part of the multistage scissor fork are parallel to the ground.
The multistage scissors are n in number, wherein n is a positive even number, n-1 hinge points are arranged on the upper hinge points of the multistage scissors, and guide carrier rollers are respectively arranged at the odd-numbered positions of the upper hinge points; guide flanges are arranged on two sides of the guide carrier roller to prevent the drag chain 13 from slipping off from the guide carrier roller; the width of the multi-stage shearing fork is larger than that of the guide carrier roller, so that the multi-stage shearing fork is prevented from tipping in the walking process.
One end of a drag chain 13 is fixedly connected with the fixed end bracket 1, the other end of the drag chain 13 is fixedly connected with the movable end bracket 2, and the drag chain 13 sequentially bypasses the guide carrier rollers and is distributed in an S shape along with the multi-stage shearing fork; when the RGV operates to drive the movable end support 2 to further drive the multi-stage scissors to do telescopic motion, the drag chain 13 expands or contracts along with the multi-stage scissors.
Specifically, as shown in fig. 1 to 5, the multistage scissor in this embodiment is a four-stage vertical scissor structure, and includes a first-stage scissor 3, a second-stage scissor 4, a third-stage scissor 5, and a four-stage scissor 6, where the lower portion of the first-stage scissor 3 is hinged to the fixed end bracket 1, and the lower portion of the four-stage scissor 6 is hinged to the movable end bracket 2.
The one-level scissors 3 is composed of a first-level outer fork 301, a second-level outer fork 302, a first-level inner fork 303, a second-level inner fork 304 and a first-level scissors connecting shaft 305, the first-level outer fork 301 and the second-level outer fork 302 are completely the same, three hinge holes are formed in the two ends and the middle point of the first-level outer fork 302 respectively, the first-level inner fork 303 and the second-level inner fork 304 are completely the same, two hinge holes are formed in the two ends of the first-level inner fork 303 and the two second-level outer fork 302 respectively, the length of the first-level outer fork 301 and the half of the second-level outer fork 302 are equal, and one end of the first-level inner fork 303 and the one-level inner fork 304 is hinged with the first-level inner fork 303 and the second-level inner fork 304 at the middle point through the first-level scissors connecting shaft 305.
The second-stage scissor 4 comprises a first second-stage outer fork 401, a second outer fork 402, a first second inner fork 403, a second inner fork 404 and a second scissor connecting shaft 405, the first second-stage outer fork 401, the second outer fork 402, the first second inner fork 403 and the second inner fork 404 are completely identical, three hinge holes are formed in the two ends and the middle point of the two hinge holes respectively, and the first second outer fork 401 and the second outer fork 402 are hinged with the first second inner fork 403 and the second inner fork 404 through the second scissor connecting shaft 405.
The three-level scissor 5 comprises a first three-level outer fork 501, a second three-level outer fork 502, a first three-level inner fork 503, a second three-level inner fork 504 and a third-level scissor connecting shaft 505, wherein the first three-level outer fork 501, the second three-level outer fork 502, the first three-level inner fork 503 and the second three-level inner fork 504 are completely identical, three hinge holes are respectively arranged at two ends and the middle point, and the first three-level outer fork 501 and the second three-level outer fork 502 are hinged with the first three-level inner fork 503 and the second three-level inner fork 504 at the middle point through the third-level scissor connecting shaft 505.
The four-stage shear fork 6 comprises a four-stage outer fork I601, a four-stage outer fork II 602, a four-stage inner fork I603, a four-stage inner fork II 604 and a four-stage shear fork connecting shaft 605, wherein the four-stage inner fork I603 and the four-stage inner fork II 604 are completely identical, three hinge holes are respectively arranged at the two ends and the middle point of the four-stage outer fork I601 and the four-stage outer fork II 602 are completely identical, two hinge holes are respectively arranged at the two ends of the four-stage outer fork I603 and the two four-stage inner fork II 604, the length of the four-stage inner fork I603 and the length of the four-stage inner fork II 604 are half of that of the four-stage outer fork I601 and the four-stage outer fork II 602, and one end of the four-stage outer fork I303 and the four-stage inner fork II 604 are hinged at the middle point of the four-stage shear fork connecting shaft 605.
The upper sides of the first-stage scissor 3 and the second-stage scissor 4 are hinged through a first connecting shaft 7, the lower sides of the first-stage scissor and the second-stage scissor are hinged through a fourth connecting shaft 10, and a first traveling wheel 16 and a second traveling wheel 17 are arranged at two ends of the fourth connecting shaft 10; the upper sides of the second-stage scissor 4 and the third-stage scissor 5 are hinged through a second connecting shaft 8, the lower sides of the second-stage scissor and the third-stage scissor are hinged through a fifth connecting shaft 11, and a third traveling wheel 18 and a fourth traveling wheel 19 are mounted at two ends of the fifth connecting shaft 11; the third-stage scissor 5 is hinged with the upper side of the fourth-stage scissor 6 through a third connecting shaft 9, the lower side of the third-stage scissor is hinged through a sixth connecting shaft 12, and a fifth traveling wheel 20 and a sixth traveling wheel 21 are arranged at two ends of the sixth connecting shaft 12; a first guide carrier roller 14 is arranged in the middle of the first connecting shaft 7, and a second guide carrier roller 15 is arranged in the middle of the third connecting shaft 9; one end of a drag chain 13 is fixedly connected with the fixed end bracket 1, the other end of the drag chain is fixedly connected with the movable end bracket 2, and the fixed connection of the drag chain 13 with the fixed end bracket 1 and the movable end bracket 2 adopts the prior art; the drag chain 13 is arranged along with the multi-stage scissor, and upwards extends from the fixed end bracket 1 along the first-stage scissor 3, bypasses the first guide carrier roller 14, downwards extends to a fifth connecting shaft 11 close to the lower sides of the second-stage scissor 4 and the third-stage scissor 5, upwards extends along the third-stage scissor 5, bypasses the second guide carrier roller 15, and downwards extends to the movable end bracket 2.
The working principle is as follows:
the power supply cable and the communication cable are arranged in the drag chain; the drag chain retracting device moves linearly along with the RGV in a reciprocating manner, and when the RGV is at an initial position, the drag chain retracting device is completely retracted; when the RGV runs to the maximum stroke, the drag chain retracting device is completely unfolded; the towing chain retracting device has the advantages that when the RGV is at the initial position, namely the towing chain device is in a retracting state, the travel range is free of obstacles, the logistics channel transversely penetrating through the travel range is smooth and free, the flexibility of the layout of a logistics system and the space utilization rate are greatly improved, the built-in cable of the towing chain retracting device is free of tension, the speed is completely matched with the RGV, a more reliable wired communication mode can be adopted, and the structure is simple and the reliability is high.
Claims (3)
1. The utility model provides a RGV tow chain winding and unwinding devices which characterized in that: comprises a fixed end bracket (1), a movable end bracket (2), a multi-stage scissor fork, a guide carrier roller, a connecting shaft, a traveling wheel and a drag chain (13);
the fixed end support (1) is fixed on the ground, the moving end support (2) is fixed at the lower part of the RGV, the lower part of one end of the multistage scissor is hinged with the fixed end support (1), the lower part of the other end of the multistage scissor is hinged with the moving end support (2), the two ends of a connecting shaft of a hinge joint at the lower part of the multistage scissor are respectively provided with the travelling wheels, and connecting lines of all hinge joints at the lower part of the multistage scissor are parallel to the ground;
the multistage scissors are n in number, wherein n is a positive even number, n-1 hinge points are arranged on upper hinge points of the multistage scissors, and the guide carrier rollers are respectively arranged at odd-numbered positions of the upper hinge points;
one end of the drag chain (13) is fixedly connected with the fixed end bracket (1), the other end of the drag chain (13) is fixedly connected with the movable end bracket (2), and the drag chain (13) sequentially bypasses the guide carrier roller and is distributed in an S shape along with the multi-stage shearing fork; when the RGV operates to drive the movable end support (2) to further drive the multi-stage scissors to do telescopic motion, the drag chain (13) expands or contracts along with the multi-stage scissors.
2. The RGV tow chain retraction device according to claim 1, wherein: and guide flanges are arranged on two sides of each guide carrier roller.
3. The RGV tow chain retraction device according to claim 1, wherein: the width of the multi-stage shearing fork is larger than that of the guide carrier roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011456439.7A CN114623202A (en) | 2020-12-10 | 2020-12-10 | RGV tow chain winding and unwinding devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011456439.7A CN114623202A (en) | 2020-12-10 | 2020-12-10 | RGV tow chain winding and unwinding devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114623202A true CN114623202A (en) | 2022-06-14 |
Family
ID=81895240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011456439.7A Pending CN114623202A (en) | 2020-12-10 | 2020-12-10 | RGV tow chain winding and unwinding devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114623202A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305254A (en) * | 2000-05-18 | 2001-07-25 | 机械工业部西安重型机械研究所 | Suspended cable-pulling chain |
| CN103022834A (en) * | 2011-09-27 | 2013-04-03 | 鸿富锦精密工业（深圳）有限公司 | Cable arranging device |
| CN203674676U (en) * | 2013-12-25 | 2014-06-25 | 广西地凯科技有限公司 | Scissors-type cabling device |
| CN204079369U (en) * | 2014-06-18 | 2015-01-07 | 华中电网有限公司 | A kind of mobile insulation scissor lifting device |
| EP2845797A1 (en) * | 2013-09-10 | 2015-03-11 | Airbus Operations GmbH | Arrangement for guiding a cable between a wing and an aerodynamic body movably supported relative thereto; wing of an aircraft having such an arrangement and aircraft having such a wing |
| CN107051701A (en) * | 2017-06-15 | 2017-08-18 | 湖南万通科技股份有限公司 | A kind of cable expansion support and the clear grate disintegrating machine with the cable expansion support |
| CN108199333A (en) * | 2018-01-11 | 2018-06-22 | 武汉中元华电科技股份有限公司 | A kind of wiring mechanism of robot lifting gear |
| CN210260641U (en) * | 2019-07-23 | 2020-04-07 | 淮南矿业(集团)有限责任公司 | Working face cable dragging device |
| CN111704072A (en) * | 2020-07-21 | 2020-09-25 | 湖南星邦智能装备股份有限公司 | Arm car and aluminum alloy scissor-fork type lifting device thereof |
-
2020
- 2020-12-10 CN CN202011456439.7A patent/CN114623202A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305254A (en) * | 2000-05-18 | 2001-07-25 | 机械工业部西安重型机械研究所 | Suspended cable-pulling chain |
| CN103022834A (en) * | 2011-09-27 | 2013-04-03 | 鸿富锦精密工业（深圳）有限公司 | Cable arranging device |
| EP2845797A1 (en) * | 2013-09-10 | 2015-03-11 | Airbus Operations GmbH | Arrangement for guiding a cable between a wing and an aerodynamic body movably supported relative thereto; wing of an aircraft having such an arrangement and aircraft having such a wing |
| CN203674676U (en) * | 2013-12-25 | 2014-06-25 | 广西地凯科技有限公司 | Scissors-type cabling device |
| CN204079369U (en) * | 2014-06-18 | 2015-01-07 | 华中电网有限公司 | A kind of mobile insulation scissor lifting device |
| CN107051701A (en) * | 2017-06-15 | 2017-08-18 | 湖南万通科技股份有限公司 | A kind of cable expansion support and the clear grate disintegrating machine with the cable expansion support |
| CN108199333A (en) * | 2018-01-11 | 2018-06-22 | 武汉中元华电科技股份有限公司 | A kind of wiring mechanism of robot lifting gear |
| CN210260641U (en) * | 2019-07-23 | 2020-04-07 | 淮南矿业(集团)有限责任公司 | Working face cable dragging device |
| CN111704072A (en) * | 2020-07-21 | 2020-09-25 | 湖南星邦智能装备股份有限公司 | Arm car and aluminum alloy scissor-fork type lifting device thereof |
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Application publication date: 20220614 |