CN108861317B - Sliding contraction type belt conveying device - Google Patents
Sliding contraction type belt conveying device Download PDFInfo
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- CN108861317B CN108861317B CN201810854012.9A CN201810854012A CN108861317B CN 108861317 B CN108861317 B CN 108861317B CN 201810854012 A CN201810854012 A CN 201810854012A CN 108861317 B CN108861317 B CN 108861317B
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- 230000008602 contraction Effects 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001020 rhythmical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Classifications
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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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/22—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising a series of co-operating units
- B65G15/26—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising a series of co-operating units extensible, e.g. telescopic
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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
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/10—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof
- B65G21/14—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof to allow adjustment of length or configuration of load-carrier or traction element
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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
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
The invention provides a sliding contraction type belt conveying device which comprises a first supporting seat and a second supporting seat connected to one side of the first supporting seat in a sliding mode, wherein first expansion devices are arranged on one sides above the first supporting seat and the second supporting seat, two first connecting plates and two second connecting plates are arranged above the first supporting seat and the second supporting seat respectively, a first rotating roller is arranged in the middle of each of the two first connecting plates, a second rotating roller is arranged in the middle of each of the two second connecting plates, two first sliding rods are arranged on one side of each of the second connecting plates, first sliding grooves are formed in the upper portion and the lower portion of each of the first connecting plates, the two first sliding rods are connected with the first sliding grooves in a sliding mode, contraction stopping devices are arranged below the two first sliding rods and are detachably connected with the first connecting plates, a connection distance limiting device is correspondingly arranged on one side of each first rotating roller. The first connecting plate is connected with the second connecting plate in a sliding mode, so that the belt is stretched, and the belt looseness is kept to be the most suitable degree through the distance limiting device.
Description
Technical Field
The invention relates to the technical field of conveying equipment, in particular to a sliding contraction type belt conveying device.
Background
A conveyor is a friction-driven machine that transports material in a continuous manner. By using the material conveying device, the materials can be conveyed on a certain conveying line from an initial feeding point to a final discharging point to form a material conveying flow path. The conveying device can be used for conveying both broken materials and finished articles. Besides pure material conveying, the device can also be matched with the requirements of the technological process in the production flow of each industrial enterprise to form a rhythmic line production conveying line. The conveying equipment is widely applied to various modern industrial enterprises. At present, the conveyor conveys fine particles, and the diameter of the material is smaller than the gap between the impeller of the feeding machine and the inner wall of the conveyor, so that the material jamming of the spiral feeding machine is easy to occur, and the feeding is frequently carried out in a belt conveying mode.
However, the distance of the belt is fixed when the belt is conveyed, and when the belt needs to be conveyed for a long distance, the distance of the belt roller needs to be lengthened, so that the volume of the whole feeding device is increased, and the transportation difficulty is increased.
Disclosure of Invention
The invention provides a sliding contraction type belt conveying device, which is used for solving the technical problems that the distance of a belt is fixed when the belt is conveyed, and when long-distance conveying is needed, the distance of a belt roller needs to be lengthened, so that the volume of the whole feeding device is increased, and the conveying difficulty is increased.
In order to achieve the purpose, the invention adopts the following technical scheme: a sliding contraction type belt conveying device comprises a first supporting seat and a second supporting seat connected to one side of the first supporting seat in a sliding mode, wherein first expansion devices are arranged on one sides above the first supporting seat and the second supporting seat, two first connecting plates and two second connecting plates are arranged above the two first expansion devices respectively, a first rotating roller is arranged in the middle of each first connecting plate, a second rotating roller is arranged in the middle of each second connecting plate, two first sliding rods are arranged on one side of each second connecting plate, first sliding chutes are arranged above and below the first connecting plates respectively, the two first sliding rods are connected with the first sliding chutes in a sliding mode, contraction blocking devices are arranged below the two first sliding rods and are detachably connected with the first connecting plates, and a connecting distance limiting device is correspondingly arranged on one side of each first rotating roller, the distance limiting device is connected below the belt in a sliding mode, and the belt is connected with the first rotating roller and the second rotating roller;
a second sliding groove is formed below the first supporting seat, the second supporting seat is connected with the first supporting seat in a sliding mode, a first driving motor is arranged in the second sliding groove, a driving shaft of the first driving motor is connected with a first lead screw, the first lead screw is connected with the second supporting seat in a rotating mode, two first sliding strips are symmetrically arranged below the second supporting seat, two third sliding grooves are correspondingly formed below the second sliding groove, and the two first sliding strips are connected with the third sliding grooves in a sliding mode;
the first telescopic device comprises a first telescopic plate, the first telescopic plate is fixedly connected with the first supporting seat or the second supporting seat, a fourth chute is formed in the first telescopic plate, a second driving motor is arranged below the inner side of the fourth chute, a driving shaft of the second driving motor is connected with a second lead screw, the second lead screw is rotatably connected with the second telescopic plate, the second telescopic plate is slidably connected with the fourth chute, first rotating shafts are arranged above the second telescopic plate and fixedly connected with the lower portion of the first connecting plate or the lower portion of the second connecting plate;
a first bump is arranged on one side of each of the first connecting plate and the second connecting plate, a second sliding rod is arranged on the first bump on one side, a fifth sliding groove is arranged on the first bump on the other side, and the second sliding rod is connected with the fifth sliding groove in a sliding manner; the retractable material blocking device comprises a second rotating shaft, the second rotating shaft is fixedly connected with one side of the first connecting plate, the retractable material blocking plate is arranged on the second rotating shaft, one end of the retractable material blocking plate is fixedly connected with the second connecting plate, a sixth sliding groove is formed below the first sliding rod, a plurality of limiting rods are arranged in the sixth sliding groove, a first spring is arranged on one side of each limiting rod, the limiting rods are connected through the first spring, and one side of each limiting rod is fixedly connected with the second connecting plate through the first spring.
Preferably, the distance limiting device comprises four seventh chutes, the four seventh chutes are symmetrically arranged on the two first connecting plates, the number of the seventh chutes is four, two third screw rods and two third slide rods are symmetrically arranged in the seventh chutes, one ends of the two third screw rods are respectively provided with a third driving motor, the third driving motors are fixedly connected in the seventh chutes, the third screw rods and the third slide rods are respectively provided with a first connecting block, a first rotating rod is arranged between the two first connecting blocks, and the first rotating rod is in sliding connection with the belt.
Preferably, two adjacent seventh sliding grooves are arranged in a Z shape, and the third screw rods in the adjacent seventh sliding grooves rotate in opposite directions.
Preferably, a third rotating shaft is arranged on the first connecting plate below the first rotating roller, a feeding plate is arranged on the third rotating shaft, and the feeding plate is connected with the belt in a sliding manner.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the two first telescopic devices are arranged, and the first connecting plate and the second connecting plate can slide through the upward movement of the single-side rotation, so that the first connecting plate and the second connecting plate are inclined, the distance between the first rotating roller and the second rotating roller is shortened or lengthened, the feeding speed is further accelerated, the material is conveyed more conveniently, and then the length below the belt is changed through the movement of the distance limiting device, so that the tightness of the conveying belt is optimal.
Drawings
FIG. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic view of the first and second supporting seats of the present invention;
FIG. 3 is a schematic view of a second rotatable roller of the present invention;
FIG. 4 is a schematic view of a first slide bar construction of the present invention;
FIG. 5 is a schematic view of a first web structure;
fig. 6 is a schematic view of the feed plate attachment of the present invention.
In the figure: 1-a first support seat, 11-a second slide groove, 12-a first driving motor, 13-a first screw rod, 14-a third slide groove, 2-a second support seat, 21-a first slide bar, 3-a first telescopic device, 31-a first telescopic plate, 32-a fourth slide groove, 33-a second driving motor, 34-a second screw rod, 35-a second telescopic plate, 36-a first rotating shaft, 4-a first connecting plate, 41-a first rotating roller, 42-a first slide groove, 43-a first lug, 431-a fifth slide groove, 44-a second slide rod, 45-a third rotating shaft, 451-a feeding plate, 5-a second connecting plate, 51-a second rotating roller, 52-a first slide rod, 521-a sixth slide groove and 53-a limiting rod, 54-a first spring, 6-a contraction material blocking device, 61-a second rotating shaft, 62-a contraction material blocking plate, 7-a distance limiting device, 71-a seventh sliding groove, 72-a third screw rod, 73-a third sliding rod, 74-a third driving motor, 75-a first connecting block, 76-a first rotating rod and 8-a belt.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment, please refer to fig. 1-6, a sliding contracting type belt conveyer comprises a first supporting seat 1 and a second supporting seat 2 slidably connected to one side of the first supporting seat 1, a first telescopic device 3 is arranged on one side above the first supporting seat 1 and the second supporting seat 2, two first connecting plates 4 and two second connecting plates 5 are respectively arranged above the two first telescopic devices 3, a first rotating roller 41 is arranged in the middle of the two first connecting plates 4, a second rotating roller 51 is arranged in the middle of the two second connecting plates 5, two first sliding rods 52 are arranged on one side of the second connecting plates 5, first sliding grooves 42 are respectively arranged above and below the first connecting plates 4, the two first sliding rods 52 are slidably connected with the first sliding grooves 42, contracting and stopping devices 6 are arranged below the two first sliding rods 52, and the contracting and stopping devices 6 are detachably connected with the first connecting plates 4, a connecting distance limiting device 7 is correspondingly arranged on one side of the first rotating roller 41, the distance limiting device 7 is connected below a belt 8 in a sliding manner, and the belt 8 is connected with the first rotating roller 41 and the second rotating roller 51 in a sliding manner;
a second chute 11 is arranged below the first supporting seat 1, the second supporting seat 2 is connected with the first supporting seat 1 in a sliding manner, a first driving motor 12 is arranged in the second chute 11, a driving shaft of the first driving motor 12 is connected with a first lead screw 13, the first lead screw 13 is connected with the second supporting seat 2 in a rotating manner, two first sliding strips 21 are symmetrically arranged below the second supporting seat 2, two third chutes 14 are correspondingly arranged below the second chute 11, and the two first sliding strips 21 are connected with the third chutes 14 in a sliding manner;
the first telescopic device 3 comprises a first telescopic plate 31, the first telescopic plate 31 is fixedly connected with the first supporting seat 1 or the second supporting seat 2, a fourth chute 32 is arranged on the first telescopic plate 31, a second driving motor 33 is arranged below the inner side of the fourth chute 32, a driving shaft of the second driving motor 33 is connected with a second lead screw 34, the second lead screw 34 is rotatably connected with a second telescopic plate 35, the second telescopic plate 35 is slidably connected with the fourth chute 32, a first rotating shaft 36 is arranged above the second telescopic plate 35, and the first rotating shaft 36 is fixedly connected below the first connecting plate 4 or the second connecting plate 5;
a first bump 43 is arranged on one side of each of the first connecting plate 4 and the second connecting plate 5, a second sliding rod 44 is arranged on the first bump 43 on one side, a fifth sliding groove 431 is arranged on the first bump 43 on the other side, and the second sliding rod 44 is connected with the fifth sliding groove 431 in a sliding manner;
the retractable material blocking device 6 comprises a second rotating shaft 61, the second rotating shaft 61 is fixedly connected to one side of the first connecting plate 4, a retractable material blocking plate 62 is arranged on the second rotating shaft 61, one end of the retractable material blocking plate 62 is fixedly connected to the second connecting plate 5, a sixth sliding groove 521 is arranged below the first sliding rod 52, a plurality of limiting rods 53 are arranged in the sixth sliding groove 521, first springs 54 are arranged on one sides of the limiting rods 53, the limiting rods 53 are connected through the first springs 54, and one side of the first springs 54 is fixedly connected to the second connecting plate 5.
In an embodiment, referring to fig. 5, the distance limiting device 7 includes four seventh sliding slots 71, the four seventh sliding slots 71 are symmetrically disposed on the two first connecting plates 4, two third screw rods 72 and two third sliding rods 73 are symmetrically disposed in the four seventh sliding slots 71, one ends of the two third screw rods 72 are respectively provided with a third driving motor 74, the third driving motor 74 is fixedly connected in the seventh sliding slots 71, the third screw rods 72 and the third sliding rods 73 are respectively provided with a first connecting block 75, a first rotating rod 76 is disposed between the two first connecting blocks 75, and the first rotating rod 76 is slidably connected to the belt 8.
In an embodiment, referring to fig. 5, two adjacent seventh sliding grooves 71 are disposed in a "Z" shape, and the third screw rods 72 in the adjacent seventh sliding grooves 71 rotate in opposite directions. In an embodiment, referring to fig. 6, below the first rotating roller 41, a third rotating shaft 45 is disposed on the first connecting plate 4, and a feeding plate 451 is disposed on the third rotating shaft 45 and slidably connected to the belt 8.
In summary, the two third driving motors rotate in opposite directions to rotate the third screw rods, so that the two first connecting blocks are kept level in the longitudinal direction, and then the first driving motors rotate to move the second supporting seat in the horizontal direction, so that the length of the conveying device is lengthened.
Then, two second driving motor rotate and make the second lead screw rotate for two second shrink boards carry out the height of appointed height, and first connecting plate slides in the second connecting plate simultaneously, and when the height of two second expansion plates differs, first connecting plate and second connecting plate all rotate through first axis of rotation, thereby adjust the angle of first connecting plate and second connecting plate slope.
And, when the first connecting plate of second connecting plate sliding connection, along with the motion of second connecting plate, the second axis of rotation rotates and drives collapsible striker plate motion, and just a plurality of gag lever posts advance line location setting in proper order under the effect of first spring, and then the gag lever post carries out certain extrusion to collapsible striker plate for collapsible striker plate is more close to the extrusion of belt.
And finally, when the first rotating roller and the second rotating roller are positioned, the third driving motor on one side rotates to adjust the looseness of the conveyor belt, when the third driving motor on one side reaches the maximum value, the belt is loosened, and the third driving motor on the other side rotates to adjust the tightness of the belt.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a slip contraction type belt conveyors, includes first supporting seat (1) and sliding connection in second supporting seat (2) of first supporting seat (1) one side, its characterized in that: one side above the first supporting seat (1) and the second supporting seat (2) is provided with a first telescopic device (3), two first connecting plates (4) and two second connecting plates (5) are respectively arranged above the two first telescopic devices (3), the middle parts of the two first connecting plates (4) are provided with first rotating rollers (41), the middle parts of the two second connecting plates (5) are provided with second rotating rollers (51), one side of the second connecting plate (5) is provided with two first sliding rods (52), the upper part and the lower part of the first connecting plate (4) are provided with first sliding chutes (42), the two first sliding rods (52) are in sliding connection with the first sliding chutes (42), the lower parts of the two first sliding rods (52) are provided with contraction material blocking devices (6), the contraction material blocking devices (6) are detachably connected with the first connecting plates (4), and one side of the first rotating rollers (41) is correspondingly provided with a connection distance limiting device (7), the distance limiting device (7) is connected below the belt (8) in a sliding mode, and the belt (8) is connected with the first rotating roller (41) and the second rotating roller (51) in a sliding mode;
a second sliding groove (11) is arranged below the first supporting seat (1), the second supporting seat (2) is connected with the first supporting seat (1) in a sliding manner, a first driving motor (12) is arranged in the second sliding groove (11), a driving shaft of the first driving motor (12) is connected with a first screw rod (13), the first screw rod (13) is connected with the second supporting seat (2) in a rotating manner, two first sliding strips (21) are symmetrically arranged below the second supporting seat (2), two third sliding grooves (14) are correspondingly arranged below the second sliding groove (11), and the two first sliding strips (21) are connected with the third sliding grooves (14) in a sliding manner;
the first telescopic device (3) comprises a first telescopic plate (31), the first telescopic plate (31) is fixedly connected with the first supporting seat (1) or the second supporting seat (2), a fourth sliding chute (32) is formed in the first telescopic plate (31), a second driving motor (33) is arranged below the inner side of the fourth sliding chute (32), a driving shaft of the second driving motor (33) is connected with a second lead screw (34), the second lead screw (34) is rotatably connected with a second telescopic plate (35), the second telescopic plate (35) is slidably connected with the fourth sliding chute (32), first rotating shafts (36) are arranged above the second telescopic plate (35), and the first rotating shafts (36) are fixedly connected with the lower portions of the first connecting plate (4) or the second connecting plate (5);
a first bump (43) is arranged on one side of each of the first connecting plate (4) and the second connecting plate (5), a second sliding rod (44) is arranged on the first bump (43) on one side, a fifth sliding groove (431) is arranged on the first bump (43) on the other side, and the second sliding rod (44) is connected with the fifth sliding groove (431) in a sliding manner;
shrink dam device (6) include second axis of rotation (61), second axis of rotation (61) fixed connection in first connecting plate (4) one side, just be equipped with collapsible striker plate (62) on second axis of rotation (61), just collapsible striker plate (62) one end fixed connection second connecting plate (5), just first slide bar (52) below is equipped with sixth spout (521), be equipped with a plurality of gag lever posts (53) in sixth spout (521), a plurality of gag lever posts (53) one side all are equipped with first spring (54), and are a plurality of gag lever posts (53) all connect through first spring (54), and one side first spring (54) fixed connection second connecting plate (5).
2. A sliding retractable belt conveyor as in claim 1 wherein: distance limiting device (7) includes four seventh spout (71), and four seventh spout (71) symmetries set up on two first connecting plates (4), and four two third lead screws (72) and two third slide bars (73) are established to seventh spout (71) internal symmetry, and two third lead screws (72) one end all is equipped with third driving motor (74), third driving motor (74) fixed connection in seventh spout (71), just third lead screw (72) with all be equipped with first connecting block (75) on third slide bar (73), two be equipped with first pivot pole (76) between first connecting block (75), just first pivot pole (76) sliding connection belt (8).
3. A sliding retractable belt conveyor as in claim 2 wherein: two adjacent seventh sliding grooves (71) are arranged in a Z shape, and the third screw rods (72) in the adjacent seventh sliding grooves (71) rotate in opposite directions.
4. A sliding retractable belt conveyor as in claim 1 wherein: and a third rotating shaft (45) is arranged on the first connecting plate (4) below the first rotating roller (41), a feeding plate (451) is arranged on the third rotating shaft (45), and the feeding plate is connected with the belt (8) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810854012.9A CN108861317B (en) | 2018-07-30 | 2018-07-30 | Sliding contraction type belt conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810854012.9A CN108861317B (en) | 2018-07-30 | 2018-07-30 | Sliding contraction type belt conveying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108861317A CN108861317A (en) | 2018-11-23 |
| CN108861317B true CN108861317B (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810854012.9A Active CN108861317B (en) | 2018-07-30 | 2018-07-30 | Sliding contraction type belt conveying device |
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| Country | Link |
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| CN (1) | CN108861317B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654896A (en) * | 2019-10-15 | 2020-01-07 | 界首市金龙机械设备有限公司 | A multifunctional loading and unloading transporter |
| CN110902308B (en) * | 2019-12-07 | 2021-12-21 | 徐州宏恩包装新材料有限公司 | Transfer device is used in polypropylene film production |
| DE102020000460A1 (en) * | 2020-01-24 | 2021-07-29 | Mettler-Toledo Garvens Gmbh | Device for the pivotable support of a deflection roller of a tape transport device and tape transport device with such a device |
| CN111285021B (en) * | 2020-02-28 | 2021-07-20 | 安徽芜湖宝丰输送机械有限公司 | Telescopic conveyor capable of automatically adjusting length of belt |
| CN114955394A (en) * | 2022-06-15 | 2022-08-30 | 南京理工大学 | Telescopic crawler belt conveying device |
| CN119284465A (en) * | 2024-12-12 | 2025-01-10 | 原平市宏旺机械制造有限公司 | Belt conveyor for easy replacement of rollers and use method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201010296Y (en) * | 2007-02-23 | 2008-01-23 | 王峰 | Telescopic adhesive tape conveyer |
| CN203753794U (en) * | 2014-03-25 | 2014-08-06 | 中国水利水电第八工程局有限公司 | Belt type conveying device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9085424B2 (en) * | 2013-05-03 | 2015-07-21 | Siemens Industry, Inc. | Extendible conveyor and parcel handling system |
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2018
- 2018-07-30 CN CN201810854012.9A patent/CN108861317B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201010296Y (en) * | 2007-02-23 | 2008-01-23 | 王峰 | Telescopic adhesive tape conveyer |
| CN203753794U (en) * | 2014-03-25 | 2014-08-06 | 中国水利水电第八工程局有限公司 | Belt type conveying device |
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| CN108861317A (en) | 2018-11-23 |
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