CN111674904A - Protective unpowered roller conveying line - Google Patents

Protective unpowered roller conveying line Download PDF

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Publication number
CN111674904A
CN111674904A CN202010498098.3A CN202010498098A CN111674904A CN 111674904 A CN111674904 A CN 111674904A CN 202010498098 A CN202010498098 A CN 202010498098A CN 111674904 A CN111674904 A CN 111674904A
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CN
China
Prior art keywords
locking
gear
support
rod
rotating shaft
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
Application number
CN202010498098.3A
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Chinese (zh)
Inventor
刘平
赵磊
孟祥成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Limo Intelligent Equipment Co ltd
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Jiangsu Limo Intelligent Equipment Co ltd
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Publication date
Application filed by Jiangsu Limo Intelligent Equipment Co ltd filed Critical Jiangsu Limo Intelligent Equipment Co ltd
Priority to CN202010498098.3A priority Critical patent/CN111674904A/en
Publication of CN111674904A publication Critical patent/CN111674904A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/88Separating or stopping elements, e.g. fingers
    • B65G47/8807Separating or stopping elements, e.g. fingers with one stop
    • B65G47/883Fixed stop
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G13/00Roller-ways
    • B65G13/11Roller frames

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)

Abstract

The invention relates to the technical field of conveying devices, in particular to a protective unpowered roller conveying line which comprises a support, a roller and a protective device arranged at the end part of the support, wherein the roller is rotatably connected to the support, the protective device comprises a baffle and a lifting mechanism used for driving the baffle to move up and down, the lifting mechanism is arranged on the support, and the baffle is arranged on a lifting part of the lifting mechanism. When the plate conveying device is used for conveying plates, the possibility that the plates fall off from the conveying line can be reduced, so that the conveyed plates can be protected, and a protection effect is achieved.

Description

Protective unpowered roller conveying line
Technical Field
The invention relates to the technical field of conveying devices, in particular to a protective unpowered roller conveying line.
Background
The surface formed by a plurality of rollers or idler wheels arranged between the frames of the unpowered roller conveyor line can be made to be horizontal, and articles are pushed to be conveyed by manpower; in furniture production, the sheet material is typically transported by an unpowered roller conveyor line, from one end of which the sheet material is transported to the other.
Chinese patent No. CN207726122U discloses an unpowered roller conveyor line, which comprises a bracket, wherein the length of the bracket is extended or shortened according to actual use requirements; a plurality of rollers which are arranged in parallel at intervals are arranged above the bracket; side plates made of channel steel are further arranged at two ends of the roller; the side plate is connected with the bracket; connecting holes are formed in the two ends of the side plate and are prolonged according to actual use requirements; the length of the side plate is the same as that of the bracket; the length of the roller is smaller than the width of the bracket; the top surface of the roller is higher than the top surfaces of the side plates.
The above prior art solutions have the following drawbacks: when the plate is conveyed by using the conveying line, the plate is usually placed on the roller, the plate is manually pushed to move on the conveying line, and when the plate moves to the end part of the conveying line, the plate is easy to continue to move forwards under the action of inertia due to the fact that the end part of the conveying line is not provided with the baffle, and the plate falls off from the conveying line.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide a protective unpowered roller conveying line which can reduce the possibility that plates fall off from the conveying line when the plates are conveyed.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an unpowered cylinder transfer chain of protection type, includes support and cylinder, and the cylinder rotates to be connected in the support, still includes the protector that sets up at the support tip, and protector includes baffle and the elevating system who is used for driving the baffle and reciprocates, and elevating system sets up on the support, and the baffle setting is on elevating system's lift part.
Through adopting above-mentioned technical scheme, when using this transfer chain to carry panel, remove through elevating system drive baffle, make the baffle be higher than the cylinder in the ascending position of vertical side, when panel carried the other end from the one end of transfer chain, the baffle can carry on spacingly to panel, has reduced the possibility that panel dropped from the transfer chain to protect the panel of carrying, play the guard action.
The present invention in a preferred example may be further configured to: elevating system includes lead screw, nut piece, slope pole, sliding block and gangbar, and the lead screw rotates with the support to be connected, and nut piece threaded connection is on the lead screw, lead screw perpendicular to cylinder, and the slope pole setting is on the support and in the both sides of lead screw, and the contained angle between the central line of slope pole and the central line of lead screw is the acute angle, sliding block and slope pole sliding fit, and the gangbar setting is on the nut piece, sliding block and the both ends sliding fit of gangbar, and the baffle setting is on sliding block.
Through adopting above-mentioned technical scheme, the lead screw rotates, the lead screw drives the nut piece at the rotation in-process and removes, the nut piece removes at removal in-process gangbar, and the gangbar can drive the sliding block removal at the removal process, the baffle moves along with the sliding block, thereby the lift of control baffle, in using, raise the baffle, when not using, descend the baffle, and remove the in-process at the sliding block, the distance changes between two sliding blocks, thereby change the distance between the baffle on two sliding blocks, the user can adjust the distance between the baffle according to the gear of panel, so that satisfy different user demands.
The present invention in a preferred example may be further configured to: be equipped with the inclined hole on the sliding block, the inclined bar runs through the inclined hole, and sliding block and inclined bar sliding fit are equipped with the linkage hole on the sliding block, and the linkage rod runs through the linkage hole, sliding block and linkage rod sliding fit, and the both ends of linkage rod are equipped with the stopper.
Through adopting above-mentioned technical scheme, drive the slider at the gangbar and remove the in-process, the slider slides along the slope pole, and the distance between two sliders changes, and the relative position between gangbar and the slider changes, and the stopper can carry on spacingly to the slider, avoids the slider to remove in-process and gangbar separation.
The present invention in a preferred example may be further configured to: and a first hand wheel is arranged on the screw rod.
By adopting the technical scheme, the first hand wheel is convenient to rotate the screw rod, and a force application point is provided for rotating the screw rod
1. The present invention in a preferred example may be further configured to: the lifting mechanism comprises a lifting plate, a fixing plate, a guide rod, a hinge rod, a connecting sheet, a first rotating shaft, a second rotating shaft and a second hand wheel;
the first rotating shaft and the second rotating shaft are both rotatably connected with the support, the second hand wheel is provided with a locking block and a locking rod, the first rotating shaft is provided with a locking groove, the locking rod is positioned in the locking groove and is in sliding fit with the locking groove, the cross sections of the locking rod and the locking groove are both cross-shaped, the support is provided with a locking frame, and the locking block is positioned in the locking frame;
the central line of the first rotating shaft is coincided with the central line of the second rotating shaft, the first rotating shaft is connected with a first gear, the support is rotatably connected with a transmission shaft, the two ends of the transmission shaft are respectively provided with a second gear and a third gear, the first gear and the second gear are equal in size and are mutually meshed, the support is rotatably connected with an intermediate gear, the second rotating shaft is provided with a fourth gear, the intermediate gear is positioned between the third gear and the fourth gear, the intermediate gear is meshed with the third gear, the intermediate gear is meshed with the fourth gear, and the third gear and the fourth gear are equal in size;
the connection piece sets up in first pivot and second pivot, the connecting rod sets up on the connection piece, the central line that connecting rod and the epaxial connecting rod of second pivot on the first pivot used first pivot sets up as symmetry axis symmetry, the one end that the connecting rod deviates from the connection piece is articulated with the hinge bar, the hinge bar deviates from the articulated guide bar of one end of connecting rod, the fixed plate sets up on the support, the guide bar run through the fixed plate and with fixed plate sliding fit, the lifter plate is connected to the one end that the guide bar runs through the fixed plate, guide bar and cylinder mutually perpendicular, the baffle setting is on the lifter plate.
By adopting the technical scheme, when in use, the second hand wheel is pulled, the second hand wheel drives the locking block to move, so that the locking block is separated from the locking frame, the locking rod is still positioned in the locking groove, the second hand wheel is rotated, the second hand wheel drives the first rotating shaft to rotate through the matching of the locking rod and the locking groove, the first rotating shaft drives the transmission shaft to rotate through the matching of the first gear and the second gear, the transmission shaft drives the second rotating shaft to rotate through the matching of the third gear, the intermediate gear and the fourth gear, so that the rotating direction of the first rotating shaft is opposite to that of the second rotating shaft, the first rotating shaft and the second rotating shaft respectively drive the corresponding connecting pieces to rotate, the connecting pieces drive the connecting rods to move, the connecting rods drive the hinge rods to move in the moving process, the hinge rods drive the guide rods to move in the moving process, the guide rods drive the baffle to move through the lifting plate in the moving process, and therefore, the lifting of, after adjusting the baffle to suitable position, promote the second hand wheel, insert the latch segment in the locking frame to fix a position the check lock pole, avoid the check lock pole to rotate once more, accomplish the regulation of baffle position.
The present invention in a preferred example may be further configured to: the lifting plate is connected with a pulley, the support is provided with a slide rail, and the pulley is matched with the slide rail in a rolling manner.
Through adopting above-mentioned technical scheme, at the lifter plate removal in-process, the pulley removes along the slide rail to the moving direction to the lifter plate leads, improves the lifter plate and removes the stability of in-process, and is rolling friction between pulley and the slide rail, thereby can reduce the frictional force that the lifter plate received at the removal in-process, makes the removal process of lifter plate more smooth and easy.
The present invention in a preferred example may be further configured to: the support is further connected with a locking pin in a sliding mode, a locking hole is formed in the second rotating shaft, and the locking pin is inserted into the locking hole.
Through adopting above-mentioned technical scheme, insert the latch segment back in the locking frame, insert the fitting pin in the locking hole again to it is spacing to carry out the second pivot, thereby realizes the double-locking to elevating system, can improve the stability of baffle.
The present invention in a preferred example may be further configured to: the locking device is characterized in that the support is provided with a locking sleeve, a spring and a limiting handle, the locking pin penetrates through the locking sleeve and is in sliding fit with the locking sleeve, the limiting handle is arranged on the locking pin, the spring is sleeved on the locking pin, one end of the spring is connected with the locking sleeve, the other end of the spring is connected with the limiting handle, and when the spring is in a natural state, the locking pin is in a locking hole.
Through adopting above-mentioned technical scheme, when the fitting pin has the trend of following the downthehole removal of locking, spacing handle removes along with the spring, and the spring becomes tensile state by natural state, and because the effect of power is mutual, the spring exerts pulling force to spacing handle, drives spacing handle and spacer pin and moves towards spacing hole direction to make the spacer pin insert spacing downthehole, consequently, under the condition of no external force pulling fitting pin again, the fitting pin is difficult to with the separation of locking hole.
The present invention in a preferred example may be further configured to: and a rubber pad is arranged on the baffle.
By adopting the technical scheme, the rubber pad can play a role in buffering, and the conveyed plate is prevented from directly colliding with the baffle plate, so that the baffle plate is protected.
In summary, the invention includes at least one of the following beneficial technical effects:
1. when the conveying line is used for conveying the plates, the baffle is driven to move through the lifting mechanism, so that the position of the baffle in the vertical direction is higher than that of the roller, when the plates are conveyed from one end of the conveying line to the other end of the conveying line, the baffle can limit the plates, the possibility that the plates fall off from the conveying line is reduced, the conveyed plates are protected conveniently, and a protection effect is achieved;
2. in the process that the linkage rod drives the sliding blocks to move, the sliding blocks slide along the inclined rod, the distance between the two sliding blocks changes, the relative position between the linkage rod and the sliding blocks changes, and the limiting blocks can limit the sliding blocks, so that the sliding blocks are prevented from being separated from the linkage rod in the moving process;
3. after the locking block is inserted into the locking frame, the locking pin is inserted into the locking hole, so that the second rotating shaft is limited, double locking of the lifting mechanism is achieved, and stability of the baffle plate can be improved.
Drawings
FIG. 1 is a schematic view of a structure for embodying a positional relationship between rollers in embodiment 1;
FIG. 2 is a schematic structural diagram for showing the positional relationship between the sliding block and the linkage rod in embodiment 1;
FIG. 3 is a schematic structural view for showing the positional relationship between the elevating plate and the fixing plate in embodiment 2;
fig. 4 is a schematic structural view for embodying a positional relationship between the first gear and the second gear in embodiment 2;
FIG. 5 is a schematic view of a structure for showing a positional relationship between a link and a link plate in embodiment 2;
fig. 6 is a schematic structural view for showing the positional relationship between the lock lever and the lock groove in embodiment 2;
fig. 7 is an enlarged view of a portion a of fig. 3 for showing a positional relationship between the locking pin and the locking sleeve.
In the figure, 1, a bracket; 2. a drum; 3. a baffle plate; 4. a screw rod; 5. a nut block; 6. an inclined lever; 7. a sliding block; 8. a linkage rod; 9. a first support plate; 10. an inclined hole; 11. a linkage hole; 12. a limiting block; 13. a first hand wheel; 14. a rubber pad; 15. a lifting plate; 16. a fixing plate; 17. a guide bar; 18. a hinged lever; 19. a connecting rod; 20. connecting sheets; 21. a first rotating shaft; 22. a second rotating shaft; 23. a second hand wheel; 24. a second support plate; 25. a first U-shaped frame; 26. a second U-shaped frame; 27. a locking block; 28. a locking lever; 29. a locking groove; 30. locking the frame; 31. a connecting frame; 32. a first gear; 33. a drive shaft; 34. a second gear; 35. a third gear; 36. an intermediate shaft; 37. an intermediate gear; 38. a fourth gear; 39. a pulley; 40. a slide rail; 41. a locking pin; 42. a locking sleeve; 43. a spring; 44. a limiting handle; 45. mounting blocks; 46. and (4) locking holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: referring to fig. 1, the protective unpowered roller conveyor line disclosed by the invention comprises a support 1, a roller 2 and a protective device, wherein the roller 2 is rotatably connected to the support 1, the protective device is arranged at two ends of the support 1, the protective device comprises a baffle 3 and a lifting mechanism for driving the baffle 3 to move up and down, the lifting mechanism is arranged on the support 1, and the baffle 3 is arranged on a lifting part of the lifting mechanism so as to move together with the lifting part of the lifting mechanism.
Referring to fig. 1 and 2, the lifting mechanism includes a screw rod 4, a nut block 5, an inclined rod 6, a sliding block 7, and a linkage rod 8.
Referring to fig. 1 and 2, a first support plate 9 is welded on a support 1, one end of a screw rod 4 is rotatably connected with the support 1, the other end of the screw rod is rotatably connected with the first support plate 9, one end of the screw rod 4 penetrates through the first support plate 9 and is connected with a first hand wheel 13, the screw rod 4 is vertically arranged, the screw rod 4 is perpendicular to a roller 2, and a nut block 5 is in threaded connection with the screw rod 4. The two inclined rods 6 are arranged on the support 1 and positioned at two sides of the screw rod 4, one end of each inclined rod 6 is welded with the support 1, the other end of each inclined rod 6 is welded with the first support plate 9, an included angle between the central line of each inclined rod 6 and the central line of the screw rod 4 is an acute angle, the sliding block 7 is in sliding fit with the inclined rods 6, the sliding block 7 is provided with inclined holes 10, the inclined rods 6 penetrate through the inclined holes 10, the sliding block 7 is in sliding fit with the inclined rods 6, the linkage rod 8 is welded on the nut block 5, the sliding block 7 is in sliding fit with two ends of the linkage rod 8, the sliding block 7 is provided with linkage holes 11, the linkage rod 8 penetrates through the linkage holes 11, the sliding block 7 is in sliding fit with the linkage rod 8, the two ends of the linkage rod 8 are welded with limit blocks 12 so as to limit the sliding block 7, the separation of the sliding block 7 and the linkage rod, one side of the baffle 3 towards the roller 2 is connected with a rubber pad 14 through glue so as to play a role in buffering and avoid direct collision between the conveyed plate and the baffle 3.
The implementation principle of the embodiment is as follows: when the conveying line is used for conveying plates, the protection device at one end of the conveying line is adjusted according to use requirements, the position of the baffle 3 in the vertical direction is higher than the position of the roller 2 in the vertical direction, when the conveying line is adjusted, the first hand wheel 13 is rotated, the first hand wheel 13 drives the screw rod 4 to rotate in the rotating process, the screw rod 4 drives the nut block 5 to move towards the direction deviating from the ground in the rotating process, the nut block 5 drives the linkage rod 8 to move in the moving process, the linkage rod 8 applies force to the sliding block 7 in the moving process, the sliding block 7 slides along the inclined rod 6, the position of the sliding block 7 in the vertical direction is changed, the baffle 3 moves along with the sliding block 7, the baffle 3 is lifted, the position of the baffle 3 in the vertical direction is higher than the position of the roller 2 in the vertical direction, the adjustment of the position of the baffle 3 is completed, when plates are conveyed from one end of the conveying line to the other end lifted, baffle 3 can carry on spacingly to panel, has reduced the possibility that panel dropped from the transfer chain to protect the panel of carrying, play the guard action.
Example 2: referring to fig. 3 and 4, the difference from embodiment 1 is that the elevating mechanism includes an elevating plate 15, a fixing plate 16, a guide bar 17, a hinge lever 18, a link 19, a connecting piece 20, a first rotating shaft 21, a second rotating shaft 22, and a second wheel 23.
Referring to fig. 3 and 5, the first rotating shaft 21 and the second rotating shaft 22 are rotatably connected with the support 1, the support 1 is welded with the second support plate 24, the second support plate 24 is welded with the first U-shaped frame 25 and the second U-shaped frame 26, the second rotating shaft 22 is rotatably connected with the second support plate 24, the first rotating shaft 21 is rotatably connected with the first U-shaped frame 25 and penetrates through the first U-shaped frame 25, the central line of the first rotating shaft 21 is coincident with the central line of the second rotating shaft 22, and a gap is reserved between the first rotating shaft 21 and the second rotating shaft 22.
Referring to fig. 3 and 6, a locking block 27 and a locking rod 28 are connected to the second hand wheel 23, the locking block 27 is a square block, the locking block 27 is welded to the second hand wheel 23, the locking rod 28 is welded to the locking block 27, a locking groove 29 is formed in one end, away from the second rotating shaft 22, of the first rotating shaft 21, the locking rod 28 is located in the locking groove 29 and is in sliding fit with the locking groove 29, the cross sections of the locking rod 28 and the locking groove 29 are both cross-shaped, a locking frame 30 matched with the locking block 27 is welded to the support 1 through a connecting frame 31, and the locking block 27 is located in the locking frame 30.
Referring to fig. 3 and 4, a first gear 32 is connected to the first rotating shaft 21, a transmission shaft 33 is rotatably connected to the second U-shaped frame 26 on the bracket 1, a second gear 34 and a third gear 35 are respectively connected to two ends of the transmission shaft 33, the first gear 32 and the second gear 34 are equal in size and are meshed with each other, an intermediate shaft 36 is rotatably connected to the second support plate 24, an intermediate gear 37 is rotatably connected to the intermediate shaft 36, a fourth gear 38 is connected to the second rotating shaft 22, the intermediate gear 37 is located between the third gear 35 and the fourth gear 38, the intermediate gear 37 is meshed with the third gear 35, the intermediate gear 37 is meshed with the fourth gear 38, and the third gear 35, the intermediate gear 37 and the fourth gear 38 are equal in size.
Referring to fig. 4 and 5, a connecting plate 20 is disposed on a first rotating shaft 21 and a second rotating shaft 22, one end of a connecting rod 19 is welded on a side wall of the connecting plate 20, the connecting rod 19 on the first rotating shaft 21 and the connecting rod 19 on the second rotating shaft 22 are symmetrically disposed with a center line of the first rotating shaft 21 as a symmetry axis, one end of the connecting rod 19 away from the connecting plate 20 is hinged with a hinge rod 18, one end of the hinge rod 18 away from the connecting rod 19 is hinged with a guide rod 17, a fixing plate 16 is welded on a bracket 1, a guide hole is disposed on the fixing plate 16, the guide rod 17 penetrates through the fixing plate 16 through the guide hole and is in sliding fit with the fixing plate 16, the guide rod 17 is perpendicular to a roller 2, one end of the guide rod 17 penetrating through the fixing plate 16 is connected with a lifting plate 15, two ends of the lifting plate 15 are connected with pulleys 39, a sliding rail 40, the baffle 3 is welded on the lifting plate 15, and the length of the baffle 3 in the embodiment is smaller than that of the baffle 3 in the embodiment 1.
Referring to fig. 3 and 7, a locking pin 41 is slidably connected to the support 1, the support 1 is further connected with a locking sleeve 42, a spring 43 and a limiting handle 44, referring to fig. 5 and 6, an installation block 45 is welded to the second support plate 24, the locking sleeve 42 is welded to the installation block 45, the locking pin 41 penetrates through the locking sleeve 42 and is in sliding fit with the locking sleeve 42, the limiting handle 44 is welded to one end of the locking pin 41, the spring 43 is sleeved on the locking pin 41, one end of the spring 43 is connected with the locking sleeve 42, the other end of the spring 43 is connected with the limiting handle 44, four locking holes 46 are formed in the second rotating shaft 22, the four locking holes 46 are in an annular array with the center line of the second rotating shaft 22 as the center, when the spring 43 is in a natural state, the locking pin 41 is inserted into the locking holes 46, and the locking pin 41 is.
The implementation process comprises the following steps: when the locking device is used, the limiting handle 44 is pulled from the lower part of the bracket 1 through the gap between the second support plate 24 and the fourth gear 38, the limiting handle 44 drives the locking pin 41 to move, the locking pin 41 is separated from the locking hole 46, and the spring 43 is changed from a natural state to a stretching state.
Pulling the second hand wheel 23, the second hand wheel 23 drives the locking block 27 and the locking rod 28 to move, when the locking block 27 is separated from the locking frame 30, the locking rod 28 is still in the locking groove 29, the second hand wheel 23 is rotated, the second hand wheel 23 drives the first rotating shaft 21 to rotate through the matching of the locking rod 28 and the locking groove 29, the first rotating shaft 21 drives the first gear 32 to rotate in the rotating process, the first gear 32 drives the second gear 34 engaged with the first gear to rotate, the rotating direction of the second gear 34 is opposite to that of the first gear 32, the second gear 34 drives the transmission shaft 33 to rotate, the transmission shaft 33 drives the third gear 35 to rotate, the rotating direction of the third gear 35 is the same as that of the second gear 34, the third gear 35 drives the intermediate gear 37 to rotate, the rotating direction of the intermediate gear 37 is opposite to that of the third gear 35, and the rotating direction of the intermediate gear 37 is the same as that of the first gear 32, the intermediate gear 37 rotates the fourth gear 38, and the fourth gear 38 rotates the second shaft 22, and the fourth gear 38 rotates in the opposite direction to the intermediate gear 37, so that the first shaft 21 rotates in the opposite direction to the second shaft 22.
The first rotating shaft 21 and the second rotating shaft 22 respectively drive the corresponding connecting sheet 20 to rotate, the connecting sheet 20 drives the connecting rod 19 to move, the connecting rod 19 drives the hinge rod 18 to move in the moving process, the hinge rod 18 drives the guide rod 17 to move in the moving process, the guide rod 17 drives the lifting plate 15 to move in the moving process, in addition, the pulley 39 rolls along the sliding rail 40 in the moving process of the lifting plate 15, and the baffle 3 moves along with the lifting plate 15.
After the baffle 3 is adjusted to a proper position, the second hand wheel 23 is pushed, the locking block 27 is inserted into the locking frame 30, so that the locking rod 28 is positioned, the locking rod 28 is prevented from rotating again, the pulling force on the limiting handle 44 is relieved, the spring 43 is changed from a compressed state to a natural state, the spring 43 drives the limiting handle 44 and the limiting pin to move, the limiting pin is inserted into the locking hole 46 again, so that the second rotating shaft 22 is positioned, and the position adjustment of the baffle 3 is completed.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (9)

1. The utility model provides an unpowered cylinder of protection type (2) transfer chain, includes support (1) and cylinder (2), and cylinder (2) rotate to be connected in support (1), its characterized in that: the device is characterized by further comprising a protective device arranged at the end part of the support (1), wherein the protective device comprises a baffle (3) and a lifting mechanism used for driving the baffle (3) to move up and down, the lifting mechanism is arranged on the support (1), and the baffle (3) is arranged on a lifting part of the lifting mechanism.
2. Protective unpowered roller (2) conveyor line according to claim 1, characterized in that: elevating system includes lead screw (4), nut piece (5), slope pole (6), sliding block (7) and gangbar (8), lead screw (4) rotate with support (1) and are connected, nut piece (5) threaded connection is on lead screw (4), lead screw (4) perpendicular to cylinder (2), slope pole (6) set up on support (1) and are in the both sides of lead screw (4), and contained angle between the central line of slope pole (6) and the central line of lead screw (4) is the acute angle, sliding block (7) and slope pole (6) sliding fit, gangbar (8) set up on nut piece (5), sliding block (7) and the both ends sliding fit of gangbar (8), baffle (3) set up on sliding block (7).
3. Protective unpowered roller (2) conveyor line according to claim 2, characterized in that: be equipped with inclined hole (10) on sliding block (7), inclined rod (6) run through inclined hole (10), sliding block (7) and inclined rod (6) sliding fit are equipped with linkage hole (11) on sliding block (7), and linkage hole (11) are run through in gangbar (8), sliding block (7) and gangbar (8) sliding fit, and the both ends of gangbar (8) are equipped with stopper (12).
4. Protective unpowered roller (2) conveyor line according to claim 2, characterized in that: and a first hand wheel (13) is arranged on the screw rod (4).
5. Protective unpowered roller (2) conveyor line according to claim 1, characterized in that: the lifting mechanism comprises a lifting plate (15), a fixing plate (16), a guide rod (17), a hinge rod (18), a connecting rod (19), a connecting sheet (20), a first rotating shaft (21), a second rotating shaft (22) and a second hand wheel (23);
the first rotating shaft (21) and the second rotating shaft (22) are rotatably connected with the support (1), the second hand wheel (23) is provided with a locking block (27) and a locking rod (28), the first rotating shaft (21) is provided with a locking groove (29), the locking rod (28) is positioned in the locking groove (29) and is in sliding fit with the locking groove (29), the cross sections of the locking rod (28) and the locking groove (29) are both cross-shaped, the support (1) is provided with a locking frame (30), and the locking block (27) is positioned in the locking frame (30);
the center line of the first rotating shaft (21) is superposed with the center line of the second rotating shaft (22), the first rotating shaft (21) is connected with a first gear (32), the support (1) is connected with a transmission shaft (33) in a rotating manner, two ends of the transmission shaft (33) are respectively provided with a second gear (34) and a third gear (35), the first gear (32) and the second gear (34) are equal in size and are meshed with each other, the support (1) is connected with an intermediate gear (37) in a rotating manner, the second rotating shaft (22) is provided with a fourth gear (38), the intermediate gear (37) is positioned between the third gear (35) and the fourth gear (38), the intermediate gear (37) is meshed with the third gear (35), the intermediate gear (37) is meshed with the fourth gear (38), and the third gear (35) is equal in size to the fourth gear (38);
connecting piece (20) sets up on first pivot (21) and second pivot (22), connecting rod (19) set up on connecting piece (20), connecting rod (19) on first pivot (21) and connecting rod (19) on second pivot (22) use the central line of first pivot (21) to set up as symmetry axis symmetry, connecting rod (19) deviate from one end and articulated rod (18) of connecting piece (20), articulated rod (18) deviate from articulated guide bar (17) of one end of connecting rod (19), fixed plate (16) set up on support (1), guide bar (17) run through fixed plate (16) and with fixed plate (16) sliding fit, lifter plate (15) is connected to guide bar (17) one end that runs through fixed plate (16), guide bar (17) and cylinder (2) mutually perpendicular, baffle (3) set up on lifter plate (15).
6. Protective unpowered roller (2) conveyor line according to claim 5, characterized in that: the lifting plate (15) is connected with a pulley (39), the support (1) is provided with a sliding rail (40), and the pulley (39) is matched with the sliding rail (40) in a rolling manner.
7. Protective unpowered roller (2) conveyor line according to claim 5, characterized in that: the support (1) is further connected with a locking pin (41) in a sliding mode, a locking hole (46) is formed in the second rotating shaft (22), and the locking pin (41) is inserted into the locking hole (46).
8. Protective unpowered roller (2) conveyor line according to claim 7, characterized in that: be equipped with locking sleeve (42), spring (43) and spacing handle (44) on support (1), locking pin (41) run through locking sleeve (42) and with locking sleeve (42) sliding fit, spacing handle (44) set up on locking pin (41), spring (43) cover is established on locking pin (41), and locking sleeve (42) is connected to the one end of spring (43), spacing handle (44) is connected to the other end, when spring (43) are in natural state, locking pin (41) are in locking hole (46).
9. Protective unpowered roller (2) conveyor line according to claim 1, characterized in that: and a rubber pad (14) is arranged on the baffle (3).
CN202010498098.3A 2020-06-04 2020-06-04 Protective unpowered roller conveying line Pending CN111674904A (en)

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CN108499901A (en) * 2018-04-09 2018-09-07 杭州跟策科技有限公司 Plastic box sorting device and plastic box sorting technique
CN209065315U (en) * 2018-08-28 2019-07-05 新昌县捷诚农业发展有限公司 A kind of petroleum pipeline installation carrying boom hoisting
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