CN111268366B - Pulley type chain synchronous telescopic conveying device and conveying method - Google Patents
Pulley type chain synchronous telescopic conveying device and conveying method Download PDFInfo
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- CN111268366B CN111268366B CN202010315425.7A CN202010315425A CN111268366B CN 111268366 B CN111268366 B CN 111268366B CN 202010315425 A CN202010315425 A CN 202010315425A CN 111268366 B CN111268366 B CN 111268366B
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- chain
- sliding frame
- stage
- pulley type
- base
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- 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
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
- B65G17/38—Chains or like traction elements; Connections between traction elements and load-carriers
-
- 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
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/22—Arrangements or mountings of driving motors
Abstract
The invention discloses a pulley type chain synchronous telescopic conveying device and a conveying method, and aims to solve the technical problems of difficulty in conveying materials in tunnel construction and high risk coefficient. The shield structure comprises a base arranged in a shield material bin, wherein a primary sliding frame is arranged on the base in a sliding mode, a secondary sliding frame is arranged on the primary sliding frame in a sliding mode, the primary sliding frame is connected with the base through a first chain mechanism, and the secondary sliding frame is connected with the primary sliding frame through a second chain mechanism. The invention solves the problem that materials and platforms are unstable in the process of ascending and descending the shield in the construction process through two groups of chain mechanisms, is convenient for stably, safely and reliably transferring the materials such as cutters and the like, and avoids the risk of material transportation.
Description
Technical Field
The invention relates to the technical field of shield material transportation, in particular to a pulley type chain synchronous telescopic transportation device and a transportation method.
Background
At present, tunnels such as urban underground highways, express ways, highway-railway dual-purpose tunnels and the like are large-diameter tunnels, and the construction by adopting a large-diameter slurry shield becomes a development trend of the construction of a new urban large-diameter tunnel. In order to meet certain soil covering requirements, the large-diameter tunnel is large in buried depth, so that the borne water and soil pressure is higher, the cutter head adopts a cutter head structure with a hob and a scraper which can be replaced under normal pressure, the cutter replacement under high water pressure is facilitated, and the safety of cutter changing operation is improved. The center bin is arranged inside the main drive and is used as an emergency bin body. Functional holes such as a central rotary joint, a material channel, a personnel channel and the like are arranged on the central bin. The upper portion of the central bin is provided with a material crane, the crane has transverse and longitudinal movement functions, and tools in the tool changing process are convenient to transport and install.
The cutter transportation of tool changing in-process need pass through material passageway, and inside construction operation personnel got into central storehouse through the transportation platform that promotes material passageway, transported to blade disc rear portion relevant position under the effect of inside loop wheel machine. When the tunnel is in a downhill process, the transferring platform is in a state of low front and high back, and has a tendency of diving forward under the action of the gravity of the cutter, a mechanical limiting block of the transferring platform can be knocked off, so that the cutter transferring risk is greatly increased, and economic loss is caused; meanwhile, the labor intensity of construction operators is increased, and the tool changing efficiency is reduced.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a pulley type chain synchronous telescopic conveying device and a conveying method, which aim to solve the technical problems.
The technical scheme of the invention is realized as follows: the utility model provides a synchronous flexible conveyer of pulley type chain, is including setting up the base in the shield structure feed bin, slip on the base and be equipped with the one-level carriage, slip on the one-level carriage and be equipped with the second grade carriage, the one-level carriage is connected with the base through first chain mechanism, and the second grade carriage is connected with the one-level carriage through second chain mechanism.
The first chain mechanism comprises a first chain and a first chain wheel, the first chain wheel is respectively arranged on the inner walls of the two ends of the bottom of the shield storage bin, and the two ends of the first chain are respectively connected to the two ends of the first-stage sliding frame; the inner wall of the bottom of the shield material bin is also provided with a driving device, and the output end of the driving device is connected with a first chain wheel.
The first chain wheels arranged at two ends of the bottom of the shield storage bin are located in the same horizontal plane, and the first chain wheels are arranged in an S shape around the first chain wheels.
The second chain mechanism comprises a second chain and a second chain wheel, the second chain wheel is arranged on the first-level sliding frame, the second chain is arranged in a U shape by bypassing the second chain wheel, one end of the second chain is connected with the second-level sliding frame, and the other end of the second chain is connected to the inner wall of the shield storage bin.
The second chain wheels are vertically arranged at two ends of the bottom of the first-stage sliding frame, two second chains are arranged on the first-stage sliding frame, and the two second chains are arranged in a central symmetry mode.
First leading wheels are symmetrically arranged on the base and matched with first guide rails arranged on the outer side of the first-stage sliding frame.
And the second sliding frame is symmetrically provided with second guide wheels which are matched with second guide rails arranged on the inner side of the first-stage sliding frame.
Be equipped with the stopper on the inner wall at shield structure feed bin bottom both ends, the stopper is corresponding with one-level carriage.
And a concave tray convenient for transporting materials is arranged on the secondary sliding frame.
A transportation method of a pulley type chain synchronous telescopic transportation device comprises the following steps:
s1: stably placing the material on a secondary sliding frame;
s2: a driving device fixed in the shield storage bin rotates forwards or reversely to drive a first chain wheel of a first chain mechanism to rotate so as to drive a first chain to move, and the first chain drives a primary sliding frame to move forwards or backwards along the base;
s3: when the first-stage sliding frame moves forwards in the step S2, a second chain wheel of a second chain mechanism is driven to move, and a second chain matched with the second chain wheel pulls the second-stage sliding frame to move in the same direction, so that two-stage synchronous telescopic transportation of the materials is realized;
s4: when the first-stage sliding frame moves to a certain position, the driving device stops rotating, and the first-stage sliding frame and the second-stage sliding frame stop moving at the same time.
The invention solves the problem that materials and platforms are unstable in the process of ascending and descending the shield in the construction process through two groups of chain mechanisms, is convenient for stably, safely and reliably transferring the materials such as cutters and the like, and avoids the risk of material transportation. In addition, the invention has the advantages of ingenious design, convenient operation, realization of synchronous extension and retraction of the transfer platform through double chains and reliable transmission. The second chain and the second chain wheel are arranged in a central symmetry manner, so that forward and reverse synchronous extension is ingeniously realized, and materials such as a cutter and the like enter and exit the material gate; the shield is in an up-down slope, the invention can provide counter force for the system in the process of transferring the cutter, and the phenomenon of slope slipping is avoided; the motor driving mode of the invention completely liberates the labor of construction operators when materials such as cutters enter and exit a material gate, reduces the labor intensity of the tool changing operators, is a great innovation of shield material transportation, and has higher practicability and popularization value.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic overall side view of the present invention.
Fig. 2 is a view from a-a in fig. 1.
Fig. 3 is a view from B-B in fig. 1.
Fig. 4 is a view from direction C-C of fig. 1.
Fig. 5 is a schematic view of the forward extended position of the secondary carriage of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, embodiment 1 provides a pulley type chain synchronous telescopic transportation device, which includes a base 1 disposed in a shield material bin 12, and the base is bolted to the inner walls of two sides of the shield material bin 12 to provide support for the pulley type chain synchronous telescopic transportation device. The utility model discloses a high-speed conveyor belt, including base 1, one-level carriage 2, second grade carriage 3, one-level carriage 2 is connected with base 1 through first chain mechanism, the relative base motion of one-level carriage ability under the effect of first chain mechanism, second grade carriage 3 is connected with one-level carriage 2 through second chain mechanism, under the effect of first chain mechanism and second chain mechanism, the relative one-level carriage of second grade carriage and base motion, one-level carriage and second grade carriage carry out the synchronous concertina movement of two-stage, realize the safe high-efficient transportation of materials such as cutter.
Further, the first chain mechanism comprises a first chain 11 and two first chain wheels 10, the first chain wheels 10 are respectively arranged on the inner walls of the two ends of the bottom of the shield storage bin 12, and the two ends of the first chain 11 are respectively connected to the two ends of the first-stage sliding frame 2; the inner wall of the bottom of the shield storage bin 12 is further provided with a driving device 8, one first chain wheel 10 is connected to the output end of the driving device 8 and provides power for movement of the device, and the other first chain wheel plays a role in guiding the ring direction.
Preferably, as shown in fig. 2, the two first sprockets 10 disposed at the two ends of the bottom of the shield bunker 12 are located in the same horizontal plane, that is, the two first sprockets are horizontally disposed on the inner wall of the bottom of the shield bunker 12, and the central axes of the two first sprockets are not located in the same vertical plane, so that the first chain 11 bypasses the first sprockets 10 to form an S-shaped arrangement, thereby improving the stability of the movement of the primary sliding frame.
As shown in fig. 3 and 4, in embodiment 2, a pulley type chain synchronous telescopic transportation device, the second chain mechanism includes two second chains 7 and two second sprockets 6, the second sprockets 6 are disposed on the first-stage sliding frame 2, one second chain 7 bypasses the corresponding second sprocket 6 to form a U-shaped configuration, the configuration of the pulley mechanism is imitated, one end of the second chain 7 is connected with the second-stage sliding frame 3, the other end of the second chain is connected to the inner wall of the shield storage bin 12, and the first-stage sliding frame moves to drive the second-stage sliding frame to perform synchronous movement. Preferably, the vertical setting of second sprocket 6 is at the both ends of one-level carriage 2 bottom, and two second sprockets all set up in the vertical plane promptly, and are located the both ends of one-level carriage respectively, are equipped with two second chains 7 on the one-level carriage 2, and two second chains 7 become central symmetry and arrange, and cooperation one-level carriage drives the second grade carriage and carries out the concertina movement forward or backward.
Further, the base 1 is symmetrically provided with first guide wheels 4, the first guide wheels can adopt axial bearings, and the first guide wheels are connected to the inner side of the base through bolts; the first guide wheel 4 is matched with a first guide rail 13 arranged on the outer side of the first-stage sliding frame 2, has a guiding function and is convenient for the first-stage sliding frame to move along the base. Second leading wheel 5 is equipped with to the symmetry on second grade carriage 3, and second leading wheel 5 can adopt axial bearing, and second leading wheel bolted connection cooperatees in the outside of second grade carriage, second leading wheel 5 and the second guided way 14 that sets up at one-level carriage 2 inboards, has the guide effect, and the second grade carriage of being convenient for moves along one-level carriage.
Further, be equipped with stopper 9 on the inner wall at shield structure feed bin 12 bottom both ends, stopper 9 is corresponding with one-level carriage 2 for it is spacing to the positive and negative motion of one-level carriage, prevents one-level carriage roll-off base. Be equipped with the spill tray of being convenient for transport material on the second grade carriage 3 for fix a position materials such as cutter, realize stable, safe transportation.
The other structure is the same as embodiment 1.
Example 3: as shown in fig. 5, a transportation method of the pulley type chain synchronous telescopic transportation device according to embodiment 2 includes the following steps:
s1: the material is stably placed on the secondary sliding frame 3, so that the stability of the material is ensured;
s2: a driving device 8 fixed in a shield material bin 12 rotates forwards (or reversely) to drive a first chain wheel 10 of a first chain mechanism to rotate so as to drive a first chain 11 to move, and the first chain 11 drives a first-stage sliding frame 2 to move forwards (or backwards) along a base 1;
s3: when the first-stage sliding frame 2 moves forwards in the step S2, the second chain wheel 6 of the second chain mechanism is driven to move, and the second chain 7 matched with the second chain wheel 6 pulls the second-stage sliding frame 3 to move in the same direction, so that two-stage synchronous telescopic transportation of materials is realized;
s4: when the first-stage sliding frame 2 moves to a certain position, the first-stage sliding frame 2 and the second-stage sliding frame 3 stop moving at the same time when the first-stage sliding frame 2 stops extending under the action of limiting blocks 9 fixed at the bottoms of the two sides of the material gate, the driving device 8 stops rotating; realize synchronous quick shut down, improve transportation factor of safety.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a pulley type chain synchronous telescopic transportation device, is including setting up base (1) in shield structure feed bin (12), its characterized in that: the base (1) is provided with a primary sliding frame (2) in a sliding manner, the primary sliding frame (2) is provided with a secondary sliding frame (3) in a sliding manner, the primary sliding frame (2) is connected with the base (1) through a first chain mechanism, and the secondary sliding frame (3) is connected with the primary sliding frame (2) through a second chain mechanism;
the first chain mechanism comprises a first chain (11) and a first chain wheel (10), the first chain wheel (10) is respectively arranged on the inner walls of the two ends of the bottom of the shield storage bin (12), and the two ends of the first chain (11) are respectively connected to the two ends of the first-stage sliding frame (2); the inner wall of the bottom of the shield storage bin (12) is also provided with a driving device (8), and the output end of the driving device (8) is connected with a first chain wheel (10);
the first chain wheels (10) arranged at two ends of the bottom of the shield storage bin (12) are positioned in the same horizontal plane, and the first chains (11) are arranged around the first chain wheels (10) in an S shape;
the second chain mechanism comprises a second chain (7) and a second chain wheel (6), the second chain wheel (6) is arranged on the first-stage sliding frame (2), the second chain (7) winds around the second chain wheel (6) to form a U-shaped arrangement, one end of the second chain (7) is connected with the second-stage sliding frame (3), and the other end of the second chain (7) is connected to the inner wall of the shield storage bin (12);
the second chain wheels (6) are vertically arranged at two ends of the bottom of the first-stage sliding frame (2), two second chains (7) are arranged on the first-stage sliding frame (2), and the two second chains (7) are arranged in a central symmetry mode.
2. The pulley type chain synchronous telescopic conveying device according to claim 1, wherein: the base (1) is symmetrically provided with first guide wheels (4), and the first guide wheels (4) are matched with first guide rails (13) arranged on the outer side of the first-stage sliding frame (2).
3. The pulley type chain synchronous telescopic conveying device according to claim 2, wherein: and the second sliding frame (3) is symmetrically provided with second guide wheels (5), and the second guide wheels (5) are matched with second guide rails (14) arranged on the inner side of the first-stage sliding frame (2).
4. The pulley type chain synchronous telescopic conveying device according to any one of claims 1 to 3, wherein: the inner walls of the two ends of the bottom of the shield storage bin (12) are provided with limit blocks (9), and the limit blocks (9) correspond to the first-stage sliding frame (2).
5. The pulley type chain synchronous telescopic conveying device according to claim 4, wherein: and a concave tray convenient for transporting materials is arranged on the secondary sliding frame (3).
6. A transporting method of the pulley type chain synchronous telescopic transporting device according to claim 1 or 5, characterized in that: the method comprises the following steps:
s1: the material is stably placed on the secondary sliding frame (3);
s2: a driving device (8) fixed in the shield storage bin (12) rotates forwards or backwards to drive a first chain wheel (10) of a first chain mechanism to rotate so as to drive a first chain (11) to move, and the first chain (11) drives a first-stage sliding frame (2) to move forwards or backwards along the base (1);
s3: when the first-stage sliding frame (2) moves forwards in the step S2, a second chain wheel (6) of a second chain mechanism is driven to move, and a second chain (7) matched with the second chain wheel (6) pulls the second-stage sliding frame (3) to move in the same direction, so that two-stage synchronous telescopic transportation of materials is realized;
s4: when the primary sliding frame (2) moves to a certain position, the driving device (8) stops rotating, and the primary sliding frame (2) and the secondary sliding frame (3) stop moving at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010315425.7A CN111268366B (en) | 2020-04-21 | 2020-04-21 | Pulley type chain synchronous telescopic conveying device and conveying method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010315425.7A CN111268366B (en) | 2020-04-21 | 2020-04-21 | Pulley type chain synchronous telescopic conveying device and conveying method |
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| Publication Number | Publication Date |
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| CN111268366A CN111268366A (en) | 2020-06-12 |
| CN111268366B true CN111268366B (en) | 2022-02-08 |
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| CN202010315425.7A Active CN111268366B (en) | 2020-04-21 | 2020-04-21 | Pulley type chain synchronous telescopic conveying device and conveying method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2681055B1 (en) * | 1991-09-06 | 2005-05-13 | Bernard Lichtenberger | TELESCOPIC BI-DIRECTIONAL CHARGE TRANSFER MECHANISM. |
| CN201411220Y (en) * | 2009-05-27 | 2010-02-24 | 昆明旭邦机械有限公司 | Multistage synchronous telescopic device |
| CN204917861U (en) * | 2015-08-31 | 2015-12-30 | 北京首钢国际工程技术有限公司 | Coil of strip stacker is with heavily loaded bidirectional scalability device |
| CN106051088A (en) * | 2016-07-11 | 2016-10-26 | 江阴市君胜金属制品有限公司 | Single-source multi-level mechanical transmission telescopic structure |
| CN206798434U (en) * | 2017-02-09 | 2017-12-26 | 李簦芸 | Left and right is stretched conveying device |
| CN208935292U (en) * | 2018-06-01 | 2019-06-04 | 上海新移力自动化科技有限公司 | A kind of straight line mechanical transmission mechanism |
| CN209838419U (en) * | 2019-01-26 | 2019-12-24 | 江西蓝翔重工有限公司 | Telescopic platform assembled on roadway or tunnel excavation equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD102367A1 (en) * | 1973-03-12 | 1973-12-12 |
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2020
- 2020-04-21 CN CN202010315425.7A patent/CN111268366B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2681055B1 (en) * | 1991-09-06 | 2005-05-13 | Bernard Lichtenberger | TELESCOPIC BI-DIRECTIONAL CHARGE TRANSFER MECHANISM. |
| CN201411220Y (en) * | 2009-05-27 | 2010-02-24 | 昆明旭邦机械有限公司 | Multistage synchronous telescopic device |
| CN204917861U (en) * | 2015-08-31 | 2015-12-30 | 北京首钢国际工程技术有限公司 | Coil of strip stacker is with heavily loaded bidirectional scalability device |
| CN106051088A (en) * | 2016-07-11 | 2016-10-26 | 江阴市君胜金属制品有限公司 | Single-source multi-level mechanical transmission telescopic structure |
| CN206798434U (en) * | 2017-02-09 | 2017-12-26 | 李簦芸 | Left and right is stretched conveying device |
| CN208935292U (en) * | 2018-06-01 | 2019-06-04 | 上海新移力自动化科技有限公司 | A kind of straight line mechanical transmission mechanism |
| CN209838419U (en) * | 2019-01-26 | 2019-12-24 | 江西蓝翔重工有限公司 | Telescopic platform assembled on roadway or tunnel excavation equipment |
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| CN111268366A (en) | 2020-06-12 |
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