CN112173579A - Special sling mechanism for telescopic conveyor - Google Patents
Special sling mechanism for telescopic conveyor Download PDFInfo
- Publication number
- CN112173579A CN112173579A CN201910592446.0A CN201910592446A CN112173579A CN 112173579 A CN112173579 A CN 112173579A CN 201910592446 A CN201910592446 A CN 201910592446A CN 112173579 A CN112173579 A CN 112173579A
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- winding drum
- tightening
- sling
- telescopic
- gantry support
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000004804 winding Methods 0.000 claims abstract description 80
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The invention discloses a sling mechanism special for a telescopic conveyor, which belongs to the technical field of logistics transportation and comprises a gantry support arranged on a fixed joint, wherein a sling winding and a reset drum rotating along the axis of the gantry support are arranged on the gantry support, a pre-tightening mechanism capable of fixing the position of the reset drum is arranged on the gantry support, and the sling on the reset drum is fixedly connected with the front section of the telescopic joint. The sling mechanism is added above the telescopic machine to increase the strength of the telescopic machine, and the problems of limited extension length and reduced production cost of the telescopic machine are solved.
Description
Technical Field
The invention relates to the technical field of logistics transportation, in particular to a sling mechanism special for a telescopic conveyor, which is used for enhancing the structural strength of the telescopic conveyor.
Background
The telescopic conveyor is generally used for logistics centers, enterprise storage, express delivery, airports and other occasions, needs great flexibility in the process of cargo handling and transportation, and requires short handling and conveying time and high efficiency.
As shown in fig. 1, the conventional telescopic conveyor includes a fixed joint 1 with a fixed position, and three telescopic joints 2c, 2b, and 2a (the number of telescopic joints may not be limited to three) are disposed in the fixed joint 1, and the telescopic joints 2c, 2b, and 2a are retracted back and forth relative to the fixed joint 1 by means of their own transmission mechanisms. When the telescopic conveyor is used, after the plurality of telescopic joints are unfolded forwards, the gravity center of the telescopic joints can deviate from the fixed joint due to the fact that the whole telescopic joints are in a suspended state, so that the telescopic conveyor has a tilting trend, and the extension length of the telescopic conveyor is limited.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide the sling mechanism special for the telescopic conveyor, so that the integral strength of the telescopic conveyor after being stretched is enhanced, and the strength of the telescopic machine body can be reduced under the condition of meeting the stretching length and the strength of the telescopic machine, so that the production cost is reduced.
In order to achieve the above purposes, the invention adopts the technical scheme that: the sling mechanism special for the telescopic conveyor comprises a gantry support arranged on a fixed joint, wherein a reset winding drum which is wound with slings and rotates along the axis of the gantry support is arranged on the gantry support, a pre-tightening mechanism which can fix the position of the reset winding drum is arranged on the gantry support, and the slings on the reset winding drum are fixedly connected with the front section of the telescopic joint.
The reset winding drum comprises a winding drum body, a winding drum rotating shaft is arranged on the central axis of the winding drum body, a fixed bearing seat is arranged between the winding drum body and the winding drum rotating shaft, and winding drum fixing plates for placing the two ends of the winding drum rotating shaft are arranged on the gantry support; a winding drum left blocking plate and a winding drum right blocking plate are welded on two sides of the winding drum body, and a spring coiling device for providing reverse acting force for the winding drum body is arranged on the winding drum right blocking plate; the outer side of the left plug plate of the winding drum is provided with the pre-tightening mechanism. The reel body rotates to drive a coil spring in the coil spring device, and under the action of the restoring force of the coil spring, reverse acting force is provided for the reel body, and certain traction support is provided for a sling wound on the reel body.
The pre-tightening mechanism comprises a pre-tightening rotating sleeve which is sleeved on a rotating shaft of the winding drum and connected with a left blocking plate of the winding drum, a needle bearing is arranged between the pre-tightening rotating sleeve and the rotating shaft of the winding drum, a pre-tightening ratchet wheel is fixedly arranged on the pre-tightening rotating sleeve, ratchet wheel fixing plates are slidably arranged on the pre-tightening rotating sleeve on two sides of the pre-tightening ratchet wheel, a ratchet wheel limiting plate is connected between the two ratchet wheel fixing plates in a pivot mode, one end of the ratchet wheel limiting plate is hinged to an electric push rod A fixed on the ratchet wheel fixing plate, and the other end of the ratchet wheel limiting plate can be limited in a gear.
The pre-tightening rotating sleeve is fixedly provided with a collecting ring, a carbon brush support is arranged on the gantry support outside the collecting ring, and a carbon brush in contact with the collecting ring is arranged on the carbon brush support.
Two the ratchet fixed plate is articulated with electric putter B's push rod, electric putter B installs on the gantry support through articulated seat. The electric push rod B can adjust the position of the ratchet wheel fixing plate, so that the ratchet wheel limiting plate on the electric push rod B is abutted against the pre-tightening ratchet wheel at the optimal angle, the rotation of the pre-tightening ratchet wheel is prevented, and the rotation of the reset winding drum is stopped.
The first sling installation mode: the two slings on the reset winding drum are respectively connected with two sides of the expansion joint at the foremost end.
The second sling installation mode: both sides of the front section of each telescopic joint are connected with a sling on the reset winding drum, and at the moment, the sling cannot influence the normal action of the telescopic joint in the telescopic process of the telescopic joint.
Furthermore, a traction rope is fixedly arranged between the gantry support and the fixed joint, so that the placing stability of the gantry support is enhanced.
Compared with the prior art, the invention has the following advantages: a sling mechanism is added above the telescopic machine to increase the strength of the telescopic machine, so that the problems of limited extension length of the telescopic machine and reduction of production cost are solved; the pre-tightening is adjustable, and the device is suitable for telescopic machines with different extension lengths; the module production can adapt to the stretching machine with different widths.
Drawings
Fig. 1 is a perspective view of a conventional telescopic conveyor.
Fig. 2 is a perspective view of a sling mechanism of an embodiment of the invention mounted on a telescopic conveyor.
Fig. 3 is a schematic perspective view of an embodiment of the present invention.
Fig. 4 is a left side view of the embodiment of the invention.
Fig. 5 is a schematic sectional view along the direction a-a in fig. 4.
Fig. 6 is a partial perspective view of an embodiment of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Examples
Referring to fig. 2, the sling mechanism special for the telescopic conveyor in this embodiment includes a gantry support 3 disposed on a fixed joint 1, a sling winding and a reset drum 6 rotating along its own axis are disposed on the gantry support 3, a pre-tightening mechanism 7 capable of fixing the position of the reset drum is disposed on the gantry support 3, the sling 4 on the reset drum 6 is fixedly connected with the front section of a telescopic joint 2a, and as can be seen from fig. 2, two slings 4 on the reset drum 6 are respectively connected with two sides of the telescopic joint 2a at the front end. The traction ropes 5 are fixedly arranged between the gantry support 3 and the fixed joint 1, so that the placing stability of the gantry support 3 is enhanced, and the traction ropes 5 are also placed on two sides of the fixed joint 1, so that the normal operation of the telescopic conveyor is not influenced.
As a further improvement of the above embodiment, the suspension cable 4 may also be installed in such a manner that both sides of the front section of each telescopic joint (i.e. the telescopic joints 2a, 2b, and 2c in fig. 2) are connected to a suspension cable on the reset drum 6, and at this time, in the telescopic process of the telescopic joints, the suspension cable does not affect the normal operation of the telescopic joints, but plays a role in pulling each telescopic joint, so that the pulling force of the suspension cable on the telescopic joints is more stable.
Referring to fig. 3 to 6, the gantry support 3 in this embodiment includes a left support rod 31, a right support rod 32 and an upper support plate 33, the lower end of the left support rod 31 is welded or bolted to the left side of the fixed joint 1, the lower end of the right support rod 32 is welded or bolted to the right side of the fixed joint 1, the left support rod 31 and the right support rod 32 are both vertically disposed, and both ends of the upper support plate 33 are welded and fixed to the left support rod 31 and the right support rod 32.
The reset winding drum 6 comprises a winding drum body 61, a winding drum rotating shaft 62 is arranged on the central axis of the winding drum body 61, and a fixed bearing seat 63 is arranged between the winding drum body 61 and the winding drum rotating shaft 62, so that the winding drum body 61 can rotate in the circumferential direction under the condition that the winding drum rotating shaft 62 is fixed. The gantry support 3 is provided with a reel fixing plate 34 (arranged on the upper bearing plate 33) for placing the reel rotating shaft 62 at two ends. The two sides of the winding drum body 61 are welded with a winding drum left blocking plate 64 and a winding drum right blocking plate 65, and a coil spring coiling device 66 which provides reverse acting force for the winding drum body 61 is arranged on the winding drum right blocking plate 65. The spring coiling device 66 comprises a coil spring protecting cover 661 fixed on the right plug plate 65 of the winding drum through a bolt, and a coil spring fixing sleeve 662 fixed on the rotating shaft 62 of the winding drum, wherein the coil spring protecting cover 661 is internally provided with coil springs 663 distributed spirally, one ends of the coil springs 663 are fixed on the coil spring fixing sleeve 662, and the other ends of the coil springs 663 abut against the inner side surface of the coil spring protecting cover 661. The rotation of the winding drum body 61 can drive the coil spring 663 in the coil spring device, and under the action of the restoring force of the coil spring 663, reverse acting force is provided for the winding drum body 61, and certain traction support is provided for the sling 4 wound on the winding drum body.
The pre-tightening mechanism 7 comprises a pre-tightening rotating sleeve 701 which is sleeved on the winding drum rotating shaft 62 and connected with the winding drum left blocking plate 64, and a needle bearing 702 is arranged between the pre-tightening rotating sleeve 701 and the winding drum rotating shaft 62 so as to synchronously drive the pre-tightening rotating sleeve 701 to rotate when the winding drum body 61 rotates. In this embodiment, the mode that the left plug plate 64 of the winding drum is fixedly connected with the pre-tightening rotary sleeve 701 is as follows: the radial direction of the left plug plate 64 of the winding drum is provided with a plurality of spring rods 703, the spring rods 703 are uniformly distributed on the left plug plate 64 of the winding drum, the edge of the left plug plate 64 of the winding drum is fixedly provided with a limiting sleeve 704 for inserting one end of the spring rods 703, and the pre-tightening rotary sleeve 701 is provided with a groove for inserting the other end of the spring rods 703. The left plug plate 64 of the winding drum and the pre-tightening rotary sleeve 701 are connected together through a spring rod 703 as a connecting piece, so that the two can rotate synchronously. In this embodiment, in order to monitor whether the position deviation occurs between the left plug plate 64 of the winding drum and the pre-tightening rotating sleeve 701, a sensor bracket is provided on the pre-tightening rotating sleeve 701, a micro switch 706 is provided on the sensor bracket, and a sensing plate 707 corresponding to the micro switch 706 is provided on the left plug plate 64 of the winding drum.
A current collecting ring 81 is fixedly arranged on the pre-tightening rotating sleeve 701 close to one side of the left plug board 64 of the winding drum, a carbon brush support 82 is arranged on the gantry support 3 outside the current collecting ring 81, and a carbon brush in contact with the current collecting ring 81 is arranged on the carbon brush support 82.
The pre-tightening ratchet 705 is fixedly arranged on the pre-tightening rotating sleeve 701 on which the outer side of the collector ring 81 is located, the pre-tightening rotating sleeve 701 on two sides of the pre-tightening ratchet 705 is slidably provided with ratchet fixing plates 708, a ratchet limiting plate 709 is connected between the two ratchet fixing plates 708 in a pivot mode, a push rod fixing plate 711 fixedly connected with the ratchet fixing plate 708 is arranged above the ratchet fixing plate 708 and used for placing an electric push rod A710, a driving rod of the electric push rod A710 is hinged to one end of the ratchet limiting plate 709, the other end of the ratchet limiting plate 709 is exposed out of the ratchet fixing plate 708, and when the electric push rod A710 is unfolded, the other end of the ratchet limiting plate 709 abuts against a gear groove.
The two ratchet wheel fixing plates 708 are connected with the push rod of the electric push rod B712 and hinged together, and the electric push rod B712 is installed on the gantry support 3 (the gantry support 3 is provided with a hinged seat 713, and the electric push rod B712 is installed on the hinged seat 713). The electric push rod B712 adjusts the position of the ratchet fixing plate 708, so that the ratchet limiting plate 709 on the electric push rod B abuts against the pre-tightening ratchet 705 at an optimal angle to prevent the pre-tightening ratchet 705 from rotating and stop the rotation of the reset drum. The electric push rod A710 and the electric push rod B712 adopt conventional electric push rods.
The working principle is as follows: when the telescopic joint extends forwards, the electric push rod A710 is electrified to enable the ratchet wheel limiting plate 709 to release the locking effect on the pre-tightening ratchet wheel 705, and the sling 4 moves forwards along with the telescopic joint to drive the winding drum body 61 to rotate; because the acting force of the spring coiling device 66 exists in the winding drum body 61, the aim that the sling 4 always has pretightening force is achieved. When the stretching is stopped, the electric push rod B712 is electrified to drive the ratchet fixing plate 708 to rotate reversely, the electric push rod A710 is powered off, the ratchet limiting plate 709 is interlocked with the pre-tightening ratchet 705, and the winding drum body 61 is locked.
When the telescopic joint is retracted, the actions are opposite; the slings are automatically wound around the spool body 61 by the spring coiler 66.
The core protection point of this embodiment lies in, has increased hoist cable mechanism on original telescopic conveyor to increase the telescopic machine intensity, solve the problem that telescopic machine extension length is limited and reduction in production cost.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a special hoist cable mechanism of telescopic conveyor which characterized in that: the gantry type lifting device comprises a gantry support arranged on a fixed joint, wherein a reset winding drum which is wound with a sling and rotates along the axis of the gantry support is arranged on the gantry support, a pre-tightening mechanism which can fix the position of the reset winding drum is arranged on the gantry support, and the sling on the reset winding drum is fixedly connected with the front section of an expansion joint.
2. The special sling mechanism for telescopic conveyor as claimed in claim 1, wherein: the reset winding drum comprises a winding drum body, a winding drum rotating shaft is arranged along the central axis of the winding drum body, a fixed bearing seat is arranged between the winding drum body and the winding drum rotating shaft, and a winding drum fixing plate for placing the two ends of the winding drum rotating shaft is arranged on the gantry support; a winding drum left blocking plate and a winding drum right blocking plate are welded on two sides of the winding drum body, and a spring coiling device for providing reverse acting force for the winding drum body is arranged on the winding drum right blocking plate; the outer side of the left plug plate of the winding drum is provided with the pre-tightening mechanism.
3. The special sling mechanism for telescopic conveyor as claimed in claim 2, wherein: the pre-tightening mechanism comprises a pre-tightening rotating sleeve which is sleeved on a winding drum rotating shaft and connected with a winding drum left blocking plate, a needle bearing is arranged between the pre-tightening rotating sleeve and the winding drum rotating shaft, a pre-tightening ratchet wheel is fixedly arranged on the pre-tightening rotating sleeve, ratchet wheel fixing plates are arranged on the pre-tightening rotating sleeve on two sides of the pre-tightening ratchet wheel in a sliding mode, a ratchet wheel limiting plate is connected between the ratchet wheel fixing plates through a pivot, one end of the ratchet wheel limiting plate is hinged to an electric push rod A fixed on the ratchet wheel fixing plate, and the other end of the ratchet wheel limiting plate can be limited in a gear.
4. The special sling mechanism for telescopic conveyor as claimed in claim 3, wherein: two the ratchet fixed plate is articulated with electric putter B's push rod, electric putter B installs on the gantry support through articulated seat.
5. The special sling mechanism for telescopic conveyor as claimed in claim 1, wherein: the two slings on the reset winding drum are respectively connected with two sides of the expansion joint at the foremost end.
6. The special sling mechanism for telescopic conveyor as claimed in claim 1, wherein: both sides of the front section of each telescopic joint are connected with a sling on the reset winding drum.
7. The special sling mechanism for telescopic conveyor as claimed in claim 2, wherein: and a traction rope is fixedly arranged between the gantry support and the fixed knot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592446.0A CN112173579A (en) | 2019-07-03 | 2019-07-03 | Special sling mechanism for telescopic conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592446.0A CN112173579A (en) | 2019-07-03 | 2019-07-03 | Special sling mechanism for telescopic conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112173579A true CN112173579A (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910592446.0A Pending CN112173579A (en) | 2019-07-03 | 2019-07-03 | Special sling mechanism for telescopic conveyor |
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| Country | Link |
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| CN (1) | CN112173579A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4723757A (en) * | 1986-04-11 | 1988-02-09 | Durbin-Durco, Inc. | Ratchet-wheel-pawl assembly and release means for portable winch |
| JP2002068437A (en) * | 2000-08-25 | 2002-03-08 | Shimizu Corp | Belt conveyor system |
| CN101230560A (en) * | 2007-01-24 | 2008-07-30 | 董兰田 | Hydraulic elevator tower cable-stayed straddle bridge hoisting truck |
| US20110000761A1 (en) * | 2008-03-05 | 2011-01-06 | Earth Corp. Industries, Llc | Reload conveyor with articulating conveyor frame |
| CN106477244A (en) * | 2016-11-23 | 2017-03-08 | 原平市丰汇机械制造有限公司 | Automatic telescopic belt conveyer |
| CN106629451A (en) * | 2015-11-02 | 2017-05-10 | 东北林业大学 | Teagle of small skidding tractor |
| CN206562231U (en) * | 2017-02-28 | 2017-10-17 | 深圳龙海特机器人科技有限公司 | Lockable-type cord winder |
| CN208280880U (en) * | 2018-06-09 | 2018-12-25 | 漳州市龙文区上野技术开发服务部 | A kind of safe type electric rolling screen door |
| CN109436680A (en) * | 2018-11-06 | 2019-03-08 | 能诚集团有限公司 | A kind of trimmer conveyor |
| CN210557347U (en) * | 2019-07-03 | 2020-05-19 | 苏州双祺自动化设备有限公司 | Special sling mechanism for telescopic conveyor |
-
2019
- 2019-07-03 CN CN201910592446.0A patent/CN112173579A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4723757A (en) * | 1986-04-11 | 1988-02-09 | Durbin-Durco, Inc. | Ratchet-wheel-pawl assembly and release means for portable winch |
| JP2002068437A (en) * | 2000-08-25 | 2002-03-08 | Shimizu Corp | Belt conveyor system |
| CN101230560A (en) * | 2007-01-24 | 2008-07-30 | 董兰田 | Hydraulic elevator tower cable-stayed straddle bridge hoisting truck |
| US20110000761A1 (en) * | 2008-03-05 | 2011-01-06 | Earth Corp. Industries, Llc | Reload conveyor with articulating conveyor frame |
| CN106629451A (en) * | 2015-11-02 | 2017-05-10 | 东北林业大学 | Teagle of small skidding tractor |
| CN106477244A (en) * | 2016-11-23 | 2017-03-08 | 原平市丰汇机械制造有限公司 | Automatic telescopic belt conveyer |
| CN206562231U (en) * | 2017-02-28 | 2017-10-17 | 深圳龙海特机器人科技有限公司 | Lockable-type cord winder |
| CN208280880U (en) * | 2018-06-09 | 2018-12-25 | 漳州市龙文区上野技术开发服务部 | A kind of safe type electric rolling screen door |
| CN109436680A (en) * | 2018-11-06 | 2019-03-08 | 能诚集团有限公司 | A kind of trimmer conveyor |
| CN210557347U (en) * | 2019-07-03 | 2020-05-19 | 苏州双祺自动化设备有限公司 | Special sling mechanism for telescopic conveyor |
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