CN105645042A - Folding and tensioning device and belt conveyor - Google Patents
Folding and tensioning device and belt conveyor Download PDFInfo
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- CN105645042A CN105645042A CN201510401532.0A CN201510401532A CN105645042A CN 105645042 A CN105645042 A CN 105645042A CN 201510401532 A CN201510401532 A CN 201510401532A CN 105645042 A CN105645042 A CN 105645042A
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Abstract
The invention relates to a folding and tensioning device and a belt conveyor. The folding and tensioning device comprises a folding locking mechanism, a telescopic oil cylinder, and a tensioning bracket provided with a tensioning locking mechanism; the tensioning bracket is arranged at the front end of a folding frame; a first end of the telescopic oil cylinder is rotationally connected with a fixed frame, and a second end of the telescopic oil cylinder is hinged to the back end of the tensioning bracket; when the tensioning locking mechanism is located in a locking state, and the folding locking mechanism is located in a releasing state, the tensioning bracket is fixed, and the telescopic oil cylinder drives the folding frame to realize folding or unfolding; and when the tensioning locking mechanism is located in a releasing state, and the folding locking mechanism is located in a locking state, the folding frame is fixed, and the telescopic oil cylinder drives the tensioning bracket to realize the belt tensioning. The folding and tensioning device can realize integration of conveyor folding and belt tensioning functions by only needing two ends of one set of telescopic oil cylinders to respectively drive the folding frame and the tensioning bracket through matching between the folding locking mechanism and the tensioning locking mechanism.
Description
Technical field
The present invention relates to engineering machinery field, particularly relate to a kind of folding and tightening device and endless belt conveyor.
Background technology
Endless belt conveyor is one of major equipment realizing material transportation, and folding and the tensioning of transfer roller are all the crucial functions of transfer roller. Wherein, the folder function of transfer roller can effectively reduce complete machine height, solves whole car limit for height problem; And the tensioning function of transfer roller belt can be carried out tensioning to ensure material on belt, steadily carry discharging.
As shown in Figure 1, it adopts folding ram a4 to realize the folding of transfer roller to the folding device of existing endless belt conveyor. Wherein, the folding flow process of transfer roller is: control folding ram a4 shortens, and transfer roller first section of a1 realizes folding by linkage assembly a3 relative to section a2 after transfer roller; The expansion flow process of transfer roller is: control folding ram a4 extends, and transfer roller first section of a1 realizes launching relative to section a2 after transfer roller by linkage assembly a3.
The tightening device of existing endless belt conveyor is as shown in Figure 2, this tightening device has rotary conveyor fixed support support b1, the slideway b2 being located on fixed support support b1, one end are slidably connected with slideway b2 movable support support b3, being arranged on the movable support support b3 the other end and rotatable belt roller b4, cylinder seat and piston rod are fixedly connected with movable support support b4 with fixed support support a1 respectively or hinged hydraulic ram b5, hydraulic ram b5 drives movable support support b3 to drive the belt of belt roller b4 tensioning endless belt conveyor.
Existing transfer roller adopts two independent cover oil cylinders mostly, and to realize, transfer roller folds and tensioning function, and complex structure, manufacturing cost height, safeguards and ensure that difficulty is big.
Summary of the invention
For overcoming above technological deficiency, the technical problem that the present invention solves is to provide a kind of folding and tightening device and endless belt conveyor, it is possible to cost-saving, reduces to install to manufacture and safeguard and maintains difficulty.
For solving the problems of the technologies described above, the present invention provides a kind of folding and tightening device, it is applied to endless belt conveyor, endless belt conveyor has fixed frame and folding frame, the front end of folding frame rear end and fixed frame is hinged, and this device comprises: folding locking mechanism, telescopic oil cylinder and be provided with the tensioning support of tensioning locking mechanism, tensioning Bracket setting is in the front end of folding frame, telescopic oil cylinder first end and fixed frame are formed and are rotatably connected, and the 2nd end is hinged on the rear end of tensioning support; Under tensioning locking mechanism is in locking state and folding locking mechanism is in solution open state, tensioning support is fixed, and telescopic oil cylinder drives folding frame to realize folding or expansion; Under tensioning locking mechanism is in solution open state and folding locking mechanism is in locking state, folding frame is fixed, and telescopic oil cylinder drives tensioning support to realize the tensioning to belt.
In the technical scheme that this is basic, folding locking mechanism is being separated under open state, folding frame can swing relative to fixed frame, when tensioning locking mechanism locks dead tensioning support, 2nd end of telescopic oil cylinder is fixed, and the first end of telescopic oil cylinder drives folding frame swing to realize the folding of transfer roller relative to fixed frame or launch;Folding locking mechanism is under locking state, and folding frame is fixed on fixed frame, and the first end of telescopic oil cylinder is fixed, and when tensioning locking mechanism unties tensioning support, the 2nd end of telescopic oil cylinder drives tensioning support to realize the tensioning to belt. By the cooperation of folding locking mechanism and tensioning locking mechanism, the two ends of one group of telescopic oil cylinder are only needed to drive folding frame and tensioning support just to achieve folding integrated with belt tensioning function respectively.
Preferably, folding locking mechanism comprises the dead latch of fold latch and is separately positioned on the first through hole and the 2nd through hole of fixed frame front end and folding frame rear end, and the dead latch of fold latch realizes the dead folding frame of lock through the first through hole and the 2nd through hole under transfer roller expansion state.
In this preferred technical scheme, the dead latch of fold latch folds frame through the first through hole and the 2nd through hole are dead to lock, and makes folding frame be fixed on fixed frame, and this kind of dead mode of lock is easy to realize, and has higher reliability.
Preferably, folding locking mechanism comprises the first card button being separately positioned on fixed frame front end and folding frame rear end and the 2nd card is detained, and under the first card button and the 2nd is buckled in transfer roller expansion state, button conjunction realizes the dead folding frame of lock.
In this preferred technical scheme, the first card is detained and is mutually detained conjunction to lock dead folding frame with the 2nd card button, makes folding frame be fixed on fixed frame, and this kind of dead mode of lock is easy to realization, has higher reliability.
Further, folding and tightening device also comprises the first pull bar and the 2nd pull bar, the first end of first pull bar one end articulated telescopic oil cylinder, the hinged fixed frame of the other end, 2nd pull bar one end hinged folding machine frame, hinged first pull bar of the other end, the first end of telescopic oil cylinder is formed by the first pull bar and the 2nd pull bar and fixed frame and is rotatably connected.
In the technical scheme of this improvement, the first end of telescopic oil cylinder is formed with fixed frame by the cooperation of the first pull bar and the 2nd pull bar and rotating is connected structure, the first end of telescopic oil cylinder is made can steadily to drive folding frame at folding locking mechanism under solution open state, in transfer roller expansion or folding process, the first pull bar and the 2nd pull bar form the structure that is rotatably connected adaptively so that folding frame can be easy to relative to fixed frame and steadily launch or fold.
Further, folding also comprising hinging pin shaft and spacing cover with tightening device, hinging pin shaft is used for hinged first pull bar or the 2nd pull bar, and spacing cover is sleeved on hinging pin shaft to limit the first pull bar or the 2nd pull bar to alter along the axis of hinging pin shaft.
In the technical scheme of this improvement, by arranging spacing cover and spacing cover be sleeved on hinging pin shaft, spacing cover can limit the first pull bar or the 2nd pull bar and alter along the axis of hinging pin shaft, ensures that transfer roller launches or the reliability and stability of hinging pin shaft in folding process.
Preferably, tensioning locking mechanism comprises tensioning and locks dead latch, is arranged on the third through-hole of folding frame and is arranged on the fourth hole of tensioning support, and it is dead that the lock that dead latch realizes tensioning support through third through-hole and fourth hole under transfer roller unstrained state is locked in tensioning.
In this preferred technical scheme, tensioning locks dead latch through third through-hole and fourth hole to lock dead tensioning support, makes tensioning support be fixed in folding frame, and this kind of dead mode of lock is easy to realize, and has higher reliability.
Further, tensioning back-end support is provided with hinged plate, and hinged plate is provided with fourth hole and the hinged hole of tensioning of the 2nd end for articulated telescopic oil cylinder.
In the technical scheme of this improvement, all being processed in hinged to fourth hole and tensioning hole on the hinged plate of tensioning back-end support, processing mode is easy to realize, and exploitativeness is higher.
Preferably, tensioning locking mechanism comprises the 3rd card button and the profile of tooth bar being separately positioned on folding frame and tensioning support, the 3rd be buckled in transfer roller unstrained state under to be fastened on profile of tooth bar dead to realize the lock of tensioning support.
In this preferred technical scheme, the 3rd card is fastened on profile of tooth bar to lock dead tensioning support, makes tensioning support be fixed in folding frame, and this kind of dead mode of lock is easy to realize, and has higher reliability.
The present invention also further provides a kind of endless belt conveyor, and this transfer roller has above-mentioned folding and tightening device.
In the technical scheme that this is basic, this folds and is particularly useful for endless belt conveyor with tightening device.
Further, under transfer roller expansion state, folding frame is to be fixed on fixed frame in the way of embedding.
In the technical scheme of this improvement, being become by folding chassis design can structure to be fixed in the way of embedding on fixed frame, making the processing of folding locking mechanism on the overlapping position of folding frame and fixed frame, the stability of folding locking mechanism is promoted greatly.
Thus, based on technique scheme, the present invention provides a kind of folding and tightening device, this folding with tightening device by folding coordinating of locking mechanism and tensioning locking mechanism, transfer roller is folding and belt tensioning function integrated only to need the two ends of one group of telescopic oil cylinder to drive folding frame and tensioning support just can realize respectively, thus folding simpler compared to existing realization respectively apparatus structure that is folding and tensioning with tightening device, stability height, save cost, reduced to install to manufacture and safeguard and maintain difficulty. Endless belt conveyor provided by the invention correspondingly also has above-mentioned useful technique effect.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the part of the application, and the schematic description and description of the present invention, only for explaining the present invention, does not form inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 is the structural representation of the folding device of existing endless belt conveyor;
Fig. 2 is the structural representation of existing endless belt conveyor tightening device;
Fig. 3 is the folding plan structure schematic diagram with tightening device one embodiment of the present invention;
Fig. 4 is the cross-sectional view of A-A position in Fig. 3;
Fig. 5 is the folding perspective view with tightening device one embodiment of the present invention;
Fig. 6 is the folding decomposition structural representation with tightening device one embodiment of the present invention;
Fig. 7 be the present invention folding with tightening device one embodiment structural representation in a folded configuration;
Fig. 8 be the present invention folding with tightening device one embodiment structural representation in a tensioned state;
Fig. 9 be the present invention folding with another embodiment of tightening device structural representation in a tensioned state.
Embodiment
Below by drawings and Examples, the technical scheme of the present invention is described in further detail.
The specific embodiment of the present invention has further description for the ease of the design to the present invention, the technical problem solved, the technique effect that brings of technology characteristic sum that forms technical scheme. It should be noted that, the explanation implementing mode for these does not form limitation of the invention. In addition, just can mutually combine as long as the technology feature related in embodiments of the present invention described below does not form conflict each other.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", it is based on orientation shown in the drawings or position relation that the orientation of the instruction such as " outward " or position are closed, it is only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device referred to or element must have specific orientation, with specific orientation structure and operation, therefore limiting the scope of the invention can not be interpreted as.
Owing to existing transfer roller adopts two independent cover oil cylinders mostly, to realize, transfer roller folds and tensioning function, complex structure, manufacturing cost height, safeguard and ensure that difficulty is big, a kind of folding and tightening device of inventive design, this folding with tightening device by folding coordinating of locking mechanism and tensioning locking mechanism, transfer roller is folding and belt tensioning function integrated only to need the two ends of one group of telescopic oil cylinder to drive folding frame and tensioning support just can realize respectively, the present invention is folding simpler compared to existing realization respectively apparatus structure that is folding and tensioning with tightening device, stability height, save cost, reduce to install and manufacture and safeguard maintenance difficulty.
In the folding schematic embodiment with tightening device of the present invention, as shown in Fig. 3��Fig. 6, this folds and is applied to endless belt conveyor with tightening device, endless belt conveyor has fixed frame 1 and folding frame 2, the front end of folding frame 2 rear end and fixed frame 1 is hinged by the first bearing pin 11, this device comprises: folding locking mechanism 3, telescopic oil cylinder 4, it is provided with tensioning support 6 and the cylinder support 10 of tensioning locking mechanism 5, tensioning support 6 is arranged in the directed groove 9 of folding frame 2 front end, telescopic oil cylinder 4 first end and fixed frame 1 are formed and are rotatably connected, 2nd end is hinged on the rear end of tensioning support 6, under tensioning locking mechanism 5 is in locking state and folding locking mechanism 3 is in solution open state, tensioning support 6 is fixed, and telescopic oil cylinder 4 drives folding frame 2 to realize folding or expansion, under tensioning locking mechanism 5 is in solution open state and folding locking mechanism 3 is in locking state, folding frame 2 is fixed, and telescopic oil cylinder 4 drives tensioning support 6 to realize the tensioning to belt.
In this schematic embodiment, folding locking mechanism 3 and tensioning locking mechanism 5 are respectively used to the dead folding frame 2 of lock and tensioning support 6, folding locking mechanism 3 is being separated under open state, as shown in Figure 7, folding frame 2 can swing relative to fixed frame 1, when tensioning locking mechanism 5 locks dead tensioning support 6, the 2nd end of telescopic oil cylinder 4 is fixed, and the first end of telescopic oil cylinder 4 drives folding frame 2 to swing relative to fixed frame 1 realize the folding of transfer roller or launch; Folding locking mechanism 3 is under locking state, as shown in Figure 8, folding frame 2 is fixed on fixed frame 1, the first end of telescopic oil cylinder 4 is fixed, when tensioning locking mechanism 5 unties tensioning support 6,2nd end of telescopic oil cylinder 4 drives tensioning support 6 so that cylinder support 10 tensioning belt (not shown), thus realizes the tensioning to belt. It should be noted that, " front " and " afterwards " in the present embodiment is for the traveling direction of belt, and namely the traveling direction of belt is front, after carrying on the back and to the traveling direction of belt being. This embodiment is by the cooperation of folding locking mechanism 3 and tensioning locking mechanism 5, the two ends of one group of telescopic oil cylinder 4 are only needed to drive folding frame 2 and tensioning support 6 just can realize folding and belt tensioning function integrated respectively, the present invention is folding simpler compared to existing realization respectively apparatus structure that is folding and tensioning with tightening device, stability height, save cost, reduced to install to manufacture and safeguard and maintain difficulty. Wherein, in this embodiment, the first end of telescopic oil cylinder 4 and the 2nd end are respectively piston rod and the cylinder seat of telescopic oil cylinder 4, and certainly in other embodiments, the first end of telescopic oil cylinder 4 and the 2nd end can be respectively cylinder seat and the piston rod of telescopic oil cylinder 4.
As a kind of preferred implementation of folding locking mechanism, shown in composition graphs 3��Fig. 8, folding locking mechanism 3 comprises the dead latch of fold latch 33 and is separately positioned on the first through hole 31 and the 2nd through hole 32 of fixed frame 1 front end and folding frame 2 rear end, and the dead latch 33 of fold latch realizes the dead folding frame 2 of lock through the first through hole 31 and the 2nd through hole 32 under transfer roller expansion state. The dead latch 33 of fold latch folds frame 2 through the first through hole 31 and the 2nd through hole 32 are dead to lock, and makes folding frame 2 be fixed on fixed frame 1, and this kind of dead mode of lock is easy to realize, and has higher reliability.
As another kind of preferred implementation of folding locking mechanism, as shown in Figure 9, folding locking mechanism 3 ' comprise the first card being separately positioned on fixed frame 1 front end and folding frame 2 rear end buckle 31 ' and the 2nd card buckle the 32 ', the first card buckle 31 ' and the 2nd card buckle 32 ' and buckle to close to realize locking under transfer roller expansion state and extremely fold frame 2. First card buckle 31 ' and the 2nd card buckle 32 ' and mutually buckle and close to lock dead folding frame 2, make folding frame 2 be fixed on fixed frame 1, this kind of dead mode of lock is also easy to realization, has higher reliability. Certainly, folding locking mechanism can also select the locking device of other routine.
Preferred as to above-described embodiment, as shown in Fig. 4��Fig. 6, folding and tightening device also comprises the first pull bar 7 and the 2nd pull bar 8, first pull bar 7 one end is by the first end of the 2nd bearing pin 41 articulated telescopic oil cylinder 4, the other end is by the 3rd hinged fixed frame 1 of bearing pin 71,2nd pull bar 8 one end is by the 4th bearing pin 81 hinged folding machine frame 2, the other end is rotatably connected with fixed frame 1 formation by the first pull bar 7 and the 2nd pull bar 8 by hinged first pull bar 7 of the 5th bearing pin 82, the first end of telescopic oil cylinder 4. composition graphs 4, shown in Fig. 7 and Fig. 8, by the 4th bearing pin 81 and the 5th bearing pin 82, the 2nd pull bar 8 is hinged on folding frame 2 and the first pull bar 8, telescopic oil cylinder 4 extends and drives folding frame 2 to drive the 2nd pull bar 8 to move downward, then the first pull bar 7 is driven to deflect down, making telescopic oil cylinder 4 extend like this can drive folding rack 2 to realize the folding of greater angle better, and in this folding process, the first end of telescopic oil cylinder 4 is formed with fixed frame 1 by the cooperation of the first pull bar 7 and the 2nd pull bar 8 and rotating is connected structure, the first end of telescopic oil cylinder 4 is made can steadily to drive folding frame 2 at folding locking mechanism 3 under solution open state, in transfer roller expansion or folding process, the first pull bar 7 and the 2nd pull bar 8 can form the structure that is rotatably connected adaptively, make folding frame 2 can be easy to relative to fixed frame 1 and steadily launch or fold. certainly, the first end of telescopic oil cylinder 4 can also be formed and be rotatably connected by hinged fixed frame 1. further, folding and tightening device also comprises hinging pin shaft and spacing cover, hinging pin shaft comprises the 3rd bearing pin 71 and the 4th bearing pin 81, spacing cover comprises the first spacing cover 72 and the 2nd spacing cover 83 that are set in the 3rd bearing pin 71 and the 4th bearing pin 81, spacing cover can limit the first pull bar 7 or the 2nd pull bar 8 and alter along the axis of hinging pin shaft, ensures that transfer roller launches or the reliability and stability of hinging pin shaft in folding process. in the above-described embodiments, it is possible to by setting up packing ring and split pin is fixedly mounted on each parts by bearing pin to prevent the landing of bearing pin.
As a kind of preferred implementation of folding locking mechanism, shown in composition graphs 3��Fig. 9, tensioning locking mechanism 5 comprises tensioning and locks dead latch 53, is arranged on the third through-hole 51 of folding frame 2 and is arranged on the fourth hole 52 of tensioning support 6, and it is dead that the lock that dead latch 53 realizes tensioning support 6 through third through-hole 51 and fourth hole 52 under transfer roller unstrained state is locked in tensioning.Tensioning locks dead latch 53 through third through-hole 51 and fourth hole 52 to lock dead tensioning support 6, makes tensioning support 6 be fixed in folding frame 2, and this kind of dead mode of lock is easy to realize, and has higher reliability. Further, tensioning support 6 rear end is provided with hinged plate 61, hinged plate 61 is provided with fourth hole 52 and the hinged hole 62 of tensioning for the 2nd end by the 6th bearing pin 42 articulated telescopic oil cylinder 4, hinged to fourth hole 52 and tensioning hole 62 is all processed on the hinged plate 61 of tensioning support 6 rear end, this processing mode is easy to realize, and exploitativeness is higher. Certain fourth hole can also be arranged on other position.
As another kind of preferred implementation of folding locking mechanism, tensioning locking mechanism comprises the 3rd card button and the profile of tooth bar (not shown) being separately positioned on folding frame 2 and tensioning support 6, 3rd be buckled in transfer roller unstrained state under to be fastened on profile of tooth bar dead to realize the lock of tensioning support 6, the straight-tooth of profile of tooth bar can be arranged on the rear end of tensioning support 6 and have multiple straight-tooth, the bayonet socket of the 3rd card button can be multiple and be arranged on profile of tooth bar corresponding on the position of fold mechanism 2, under unstrained state, by pulling the 3rd card button, multiple bayonet sockets of the 3rd card button are fastened on multiple straight-tooth of profile of tooth bar, thus be fixed on stable for tensioning support 6 in folding frame 2. in this embodiment, the 3rd card is fastened on profile of tooth bar to lock dead tensioning support 6, makes tensioning support 6 be fixed in folding frame 2, and this kind of dead mode of lock also is easy to realize, and has higher reliability. certainly, tensioning locking mechanism can also select the locking device of other routine.
Present invention also offers a kind of endless belt conveyor, this endless belt conveyor has the folding of above-mentioned any embodiment and tightening device. Realize transfer roller with tightening device by simple structure owing to the present invention is folding to fold and tensioning two functions, cost-saving, reduce to install manufacturing and safeguarding maintenance difficulty, correspondingly, endless belt conveyor provided by the invention also has above-mentioned useful effect, does not repeat them here. Preferably, as shown in Figure 5 and Figure 6, under transfer roller expansion state, folding frame 2 is to be fixed on fixed frame 1 in the way of embedding, such as shown in Figure 5 and Figure 6 the contact part of folding frame 2 and fixed frame 1 can be processed into Embedded plate structure, folding frame 2 is designed to be able to the structure to be fixed in the way of embedding on fixed frame 1, making folding locking mechanism 3 can process on the overlapping position of folding frame 2 and fixed frame 1, the stability of folding locking mechanism 3 is promoted greatly.
Thus, the working process that is folding and tensioning of endless belt conveyor one embodiment of the present invention is as follows:
As shown in Figure 7, endless belt conveyor is in folded state under non-conveying operating mode, when needs are carried, as shown in FIG. 8 and 9, locking dead tensioning locking mechanism 5 and untie folding locking mechanism 3,3 ', telescopic oil cylinder 4 shrinks and drives folding frame 2 to realize the expansion of transfer roller; Then tensioning locking mechanism 5 and the dead folding locking mechanism 3,3 ' of lock is untied, telescopic oil cylinder 4 extends the tensioning driving tensioning support 6 to realize belt, now transfer roller carries out mass transport, after mass transport, as shown in Figure 7, telescopic oil cylinder 4 shrinks and drives tensioning support 6 to realize the lax of belt, then locks dead tensioning locking mechanism 5 and unties folding locking mechanism 3,3 ', and telescopic oil cylinder 4 extends and drives folding frame 2 to realize the folding of transfer roller.At this in folding and tensioning process, the present invention is folding only adopts with tightening device the two ends of one group of telescopic oil cylinder to drive folding frame and tensioning support just can realize folding integrated with belt tensioning function of transfer roller respectively, and structure is simple, and operation is efficiently.
The embodiment more than combined enforcement mode for the present invention is described in detail, but the present invention is not limited to described enforcement mode. For a person skilled in the art, these enforcement modes carry out multiple change, amendment when not departing from principle and the connotation of the present invention, equivalence is replaced and modification still falls within protection scope of the present invention.
Claims (10)
1. a folding and tightening device, it is applied to endless belt conveyor, described endless belt conveyor has fixed frame (1) and folding frame (2), the front end of described folding frame (2) rear end and described fixed frame (1) is hinged, it is characterized in that, this device comprises: folding locking mechanism (3, 3 '), telescopic oil cylinder (4) and be provided with the tensioning support (6) of tensioning locking mechanism (5), described tensioning support (6) is arranged on the front end of described folding frame (2), described telescopic oil cylinder (4) first end and described fixed frame (1) are formed and are rotatably connected, 2nd end is hinged on the rear end of described tensioning support (6),
Locking state and described folding locking mechanism (3 it is in described tensioning locking mechanism (5), 3 ') under being in solution open state, described tensioning support (6) is fixed, and described telescopic oil cylinder (4) drives described folding frame (2) realize folding or launch;
It is in described tensioning locking mechanism (5) and separates open state and described folding locking mechanism (3,3 ') under being in locking state, described folding frame (2) is fixed, and described telescopic oil cylinder (4) drives described tensioning support (6) to realize the tensioning to belt.
2. folding and tightening device according to claim 1, it is characterized in that, described folding locking mechanism (3) comprises the dead latch of fold latch (33) and is separately positioned on the first through hole (31) and the 2nd through hole (32) of described fixed frame (1) front end and described folding frame (2) rear end, and the dead latch of described fold latch (33) realizes the dead described folding frame (2) of lock through described first through hole (31) and described 2nd through hole (32) under transfer roller expansion state.
3. folding and tightening device according to claim 1, it is characterized in that, described folding locking mechanism (3 ') comprises the first card button (31 ') and the 2nd card button (32 ') that are separately positioned on described fixed frame (1) front end and described folding frame (2) rear end, and described first card button (31 ') and described 2nd card button (32 ') are detained to close under transfer roller expansion state and realized the dead described folding frame (2) of lock.
4. folding and tightening device according to claim 1, it is characterized in that, also comprise the first pull bar (7) and the 2nd pull bar (8), the first end of the hinged described telescopic oil cylinder (4) in described first pull bar (7) one end, the hinged described fixed frame (1) of the other end, the described 2nd hinged described folding frame (2) in pull bar (8) one end, hinged described first pull bar (7) of the other end, the first end of described telescopic oil cylinder (4) is rotatably connected with described fixed frame (1) formation by described first pull bar (7) and described 2nd pull bar (8).
5. folding and tightening device according to claim 4, it is characterized in that, also comprise hinging pin shaft and spacing cover, described hinging pin shaft is used for hinged described first pull bar (7) or described 2nd pull bar (8), and described spacing cover is sleeved on described hinging pin shaft to limit described first pull bar (7) or described 2nd pull bar (8) to alter along the axis of described hinging pin shaft.
6. folding and tightening device according to claim 1, it is characterized in that, described tensioning locking mechanism (5) comprises tensioning and locks dead latch (53), is arranged on the third through-hole (51) of described folding frame (2) and is arranged on the fourth hole (52) of described tensioning support (6), and it is dead that the lock that dead latch (53) realizes described tensioning support (6) through described third through-hole (51) and described fourth hole (52) under transfer roller unstrained state is locked in described tensioning.
7. folding and tightening device according to claim 6, it is characterized in that, described tensioning support (6) rear end is provided with hinged plate (61), and described hinged plate (61) is provided with described fourth hole (52) and the hinged hole of tensioning (62) of the 2nd end for hinged described telescopic oil cylinder (4).
8. folding and tightening device according to claim 1, it is characterized in that, described tensioning locking mechanism comprises the 3rd card button and the profile of tooth bar being separately positioned on described folding frame (2) and described tensioning support (6), the described 3rd be buckled in transfer roller unstrained state under to be fastened on described profile of tooth bar dead to realize the lock of described tensioning support (6).
9. an endless belt conveyor, it is characterised in that, there is the folding and tightening device described in the arbitrary item of claim 1��8.
10. endless belt conveyor according to claim 9, it is characterised in that, under transfer roller expansion state, described folding frame (2) is to be fixed in the way of embedding on described fixed frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401532.0A CN105645042B (en) | 2015-07-09 | 2015-07-09 | Fold and tensioning apparatus and ribbon conveyer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510401532.0A CN105645042B (en) | 2015-07-09 | 2015-07-09 | Fold and tensioning apparatus and ribbon conveyer |
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| CN105645042A true CN105645042A (en) | 2016-06-08 |
| CN105645042B CN105645042B (en) | 2017-10-27 |
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| CN106586380A (en) * | 2017-02-07 | 2017-04-26 | 山东科技大学 | Up-down bending belt conveyor with limiting function |
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| CN108128597A (en) * | 2018-01-10 | 2018-06-08 | 徐工集团工程机械有限公司 | It folds, discharging height is adjusted and the device and ribbon conveyer of belt tension |
| CN108928599A (en) * | 2018-08-09 | 2018-12-04 | 深圳市华南新海传动机械有限公司 | Collapsible passageway conveyer |
| CN110548668A (en) * | 2019-08-26 | 2019-12-10 | 北京水润环城环保科技有限公司 | Portable building rubbish soil repairing machine of environmental protection |
| CN110607760A (en) * | 2019-10-17 | 2019-12-24 | 合肥正浩机械科技有限公司 | Landing leg transition folding mechanism of bridge girder erection machine |
| CN111495561A (en) * | 2020-04-29 | 2020-08-07 | 广西斯维达拉机械设备有限公司 | Mechanism for folding belt and bracket of mobile crusher into three sections |
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| CN107738869A (en) * | 2017-11-07 | 2018-02-27 | 中铁科工集团轨道交通装备有限公司 | A kind of belt feeder complete machine collapsed transportable device |
| CN108128597A (en) * | 2018-01-10 | 2018-06-08 | 徐工集团工程机械有限公司 | It folds, discharging height is adjusted and the device and ribbon conveyer of belt tension |
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| CN108928599B (en) * | 2018-08-09 | 2023-10-27 | 华南新海(深圳)科技股份有限公司 | Folding type channel conveyor |
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| CN111495561A (en) * | 2020-04-29 | 2020-08-07 | 广西斯维达拉机械设备有限公司 | Mechanism for folding belt and bracket of mobile crusher into three sections |
| CN115924397A (en) * | 2022-12-23 | 2023-04-07 | 清华大学 | Telescopic track conveyer and on-vehicle security check system |
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