CN211392718U - Telescopic chain conveyor and conveying system - Google Patents
Telescopic chain conveyor and conveying system Download PDFInfo
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- CN211392718U CN211392718U CN201922294079.4U CN201922294079U CN211392718U CN 211392718 U CN211392718 U CN 211392718U CN 201922294079 U CN201922294079 U CN 201922294079U CN 211392718 U CN211392718 U CN 211392718U
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Abstract
The utility model relates to the technical field of logistics storage conveying equipment, and discloses a telescopic chain conveyor and a conveying system, wherein the telescopic chain conveyor comprises a fixed frame, a first chain conveying mechanism fixedly connected with the fixed frame, a driving piece, a sliding frame and a second chain conveying mechanism fixedly connected with the sliding frame, and the sliding frame is slidably connected with the fixed frame; the driving piece is installed on the fixed frame, and the output shaft of driving piece is connected in the slip frame to the length direction reciprocating of drive slip frame along fixed frame slides. This telescopic chain conveyor both can satisfy the demand of opening and closing of stereoscopic warehouse fire door, can satisfy tray goods again and carry the flow needs, and the state switches nimble freedom.
Description
Technical Field
The utility model relates to a logistics storage conveying equipment technical field especially relates to a telescopic chain conveyor and conveying system.
Background
The chain conveyor uses a chain as a traction and supporting body to convey materials, and the chain can adopt a common sleeve roller conveying chain or other various special chains (such as a power and free chain and a double-speed chain). The chain conveyor has large conveying capacity and is mainly used for conveying pallets, large turnover boxes and the like. The conveying chain has various structural forms and various accessories, is easy to realize accumulation and conveying, and can be used for assembly production lines or material storage and conveying. Chain conveyors have gained acceptance by users with the advantages that they can operate in harsh environments of high and low temperatures, can also operate at low speeds, and in addition, handle cargo under conditions of horizontal internal circulation and steep grade. And the loading and unloading of the chain conveyor do not need to be stopped, the chain conveyor can be transported at high speed, and the chain conveyor has high productivity, because the chain conveyor has uniform feeding and stable running speed, the consumed power in the working process is small, and the service life is long.
An automatic stereoscopic warehouse is a new concept appearing in logistics storage. The automatic stereoscopic warehouse has high space utilization rate and strong warehouse entering and exiting capacity, adopts computer control management, is the trend of future warehouse development, and is increasingly emphasized by enterprises. The conveyor system is a main peripheral device of the automatic stereoscopic warehouse, and a plurality of independent containers are connected in series by using a conveyor to form a continuous conveying loop, so that how to reasonably arrange the conveying loop directly influences the capacity and efficiency of the automatic stereoscopic warehouse. At present, considering the fire safety requirement, need set up fire door or rolling slats door in stereoscopic warehouse, inevitably can form with current transport return circuit and interfere, and there is conveying equipment a lot of fire rolling slats door's below, and when the conflagration took place, fire rolling slats door often can only fall to the equipment top, can not accomplish to seal completely, has influenced stereoscopic warehouse's fire safety.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a telescopic chain conveyor and conveying system for solve current chain conveyor and fire door mutual interference's problem, in order to improve the flexibility that conveying system arranged.
The embodiment of the utility model provides a telescopic chain conveyor, which comprises a fixed frame, a first chain conveying mechanism fixedly connected with the fixed frame, a driving piece, a sliding frame and a second chain conveying mechanism fixedly connected with the sliding frame, wherein the sliding frame is connected with the fixed frame in a sliding manner; the driving part is installed on the fixed rack, and an output shaft of the driving part is connected to the sliding rack so as to drive the sliding rack to slide in a reciprocating manner along the length direction of the fixed rack.
The driving part is a motor and further comprises a transmission assembly, one end of the transmission assembly is connected to an output shaft of the motor, and the other end of the transmission assembly is connected to the sliding rack so as to convert the rotating motion of the output shaft of the motor into the sliding motion of the sliding rack.
The transmission assembly comprises a gear and a rack, and an output shaft of the motor is connected to the gear so as to drive the gear to rotate; the plane of the rack is fixedly connected to the sliding rack, and the tooth surface of the rack is meshed with the gear; or the transmission assembly comprises a lead screw and a sliding block sleeved on the lead screw in a threaded manner, and an output shaft of the motor is connected to the lead screw so as to drive the lead screw to rotate; the sliding block is fixedly connected to the sliding rack.
The fixed frame is provided with a guide mechanism in the length direction, the guide mechanism comprises a moving part and a guide part which are in sliding fit with each other, the guide part is fixedly connected to the fixed frame, and the moving part is fixedly connected to the sliding frame.
The fixed frame is provided with a first contact and a second contact at intervals in the length direction, and the first contact and the second contact are both used for triggering the first travel switch; the first travel switch is electrically connected to the driving member.
The sliding rack is provided with a first buffer head at one end facing the inside of the fixed rack, and the fixed rack is provided with a first limit end stop matched with the first buffer head at the inside.
The second chain conveying mechanism comprises a conveying motor, a driving chain wheel, a chain and steering blocks fixedly connected to two ends of the sliding rack; the conveying motor is arranged on the sliding rack, and an output shaft of the conveying motor is connected to the driving chain wheel so as to drive the driving chain wheel to rotate; the chain is wound on the peripheries of the steering block and the driving chain wheel and is connected end to form a closed annular loop; the chain is connected with the driving chain wheel in a meshed mode, and the chain is connected with the steering block in a sliding mode.
The second chain conveying mechanism further comprises a guide chain wheel and a tension chain wheel, a rotating shaft of the guide chain wheel is fixedly connected to the sliding rack, and a rotating shaft of the tension chain wheel can slide along the length direction of the sliding rack; the guide chain wheel and the tensioning chain wheel are respectively positioned on two sides of the driving chain wheel; the chain is wound around the guide chain wheel, the tensioning chain wheel and the driving chain wheel in sequence.
The embodiment of the utility model also provides a conveying system using the telescopic chain conveyor, which further comprises a rear-end conveyor, a fire door and a fire door motor for driving the fire door to lift, wherein the rear-end conveyor and the telescopic chain conveyor are arranged at intervals, and the fire door is arranged between the rear-end conveyor and the telescopic chain conveyor; the fire door motor is electrically connected with the driving piece.
The rear end conveyor is provided with a third contact corresponding to the second travel switch so as to trigger the second travel switch; the second travel switch is electrically connected to the driving member.
The embodiment of the utility model provides a telescopic chain conveyor and conveying system, wherein telescopic chain conveyor includes fixed frame, first chain conveying mechanism, driving piece, slip frame and second chain conveying mechanism, and the mounted position of fixed frame is fixed unchangeable, and first chain conveying mechanism can accomplish the conveying operation on fixed frame; the sliding rack is connected with the fixed rack in a sliding manner and can slide back and forth along the length direction of the fixed rack under the driving of the driving piece, and the second chain conveying mechanism can complete conveying operation on the sliding rack; the sliding machine frame extends outwards to form a conveying state, and the sliding machine frame retracts inwards to form a fire door landing state. This telescopic chain conveyor both can satisfy the demand of opening and closing of stereoscopic warehouse fire door, can satisfy tray goods again and carry the flow needs, and the state switches nimble freedom.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of a telescopic chain conveyor in an embodiment of the present invention;
fig. 2 is a partial cross-sectional view of a telescopic chain conveyor in an embodiment of the invention;
fig. 3 is a front view of a telescopic chain conveyor in an embodiment of the invention;
fig. 4 is a schematic view of a conveyor system according to an embodiment of the present invention when a fire door is opened;
FIG. 5 is a top view of the conveyor system of FIG. 4;
fig. 6 is a schematic view of a conveyor system in an embodiment of the invention when the fire door is at ground level;
FIG. 7 is a top view of the conveyor system of FIG. 6;
description of reference numerals:
1: fixing the frame; 11: a first limit end stop; 2: a first chain conveying mechanism;
3: a drive member; 4: a transmission assembly; 41: a gear;
42: a rack; 5: a sliding frame; 51: a first buffer head;
52: a second buffer head; 6: a second chain conveying mechanism; 61: a drive sprocket;
62: a chain; 63: a first steering block; 64: a second steering block;
65: a guide sprocket; 66: a tension sprocket; 7: a guide mechanism;
71: a moving member; 72: a bearing member; 8: a first travel switch;
81: a first contact; 82: a second contact; 9: a second travel switch;
10: a rear end conveyor; 101: a second limit end stop; 20: fire-fighting door.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "first", "second" and "third" are used for the sake of clarity in describing the numbering of the product parts and do not represent any substantial difference, unless explicitly stated or limited otherwise. The directions of the upper part, the lower part, the left part and the right part are all based on the directions shown in the attached drawings. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
Fig. 1 is the embodiment of the utility model provides an in the embodiment of the top view of a telescopic chain conveyer, fig. 2 is the embodiment of the utility model provides an in the embodiment of a telescopic chain conveyer's local cross-sectional view, fig. 3 is the embodiment of the utility model provides an in a telescopic chain conveyer's main view, as shown in fig. 1 ~ 3, the utility model provides an in telescopic chain conveyer include fixed frame 1 and rigid coupling in fixed frame 1's first chain conveyor 2, still include driving piece 3, sliding frame 5 and rigid coupling in sliding frame 5's second chain conveyor 6, sliding frame 5 sliding connection in fixed frame 1. The driving part 3 is arranged on the fixed frame 1, and the output shaft of the driving part 3 is connected with the sliding frame 5 so as to drive the sliding frame 5 to slide back and forth along the length direction of the fixed frame 1.
Specifically, the fixed frame 1 includes two outer frames disposed in parallel, a cross beam is fixedly connected between the two outer frames, and the outer frames are fixed to the ground through expansion bolts. First chain conveying mechanism 2 includes two first chain transmission assembly that are parallel to each other, and install respectively on outer frame, and synchronous conveying can be realized to two sets of first chain transmission assembly, and first chain transmission assembly can adopt current chain transmission structure, including conveying motor, sprocket and chain etc. no longer gives unnecessary details here.
The driving part 3 can adopt a linear motion driving mechanism, for example, a piston cylinder structure or a piston hydraulic cylinder structure, a cylinder body of a cylinder (or a hydraulic cylinder) is fixed on the fixed frame 1, one end of a piston rod extends into the cylinder body and is in reciprocating translation along with the pressure change of the cylinder body, and the other end of the piston rod is fixedly connected with the sliding frame 5 so as to drive the sliding frame 5 to be in reciprocating translation on the fixed frame 1. In addition, the driving member 3 can also adopt a rotation power driving mechanism, such as a motor, and then the rotation of the motor is converted into a translation motion through the transmission assembly 4, so as to drive the sliding frame 5 to translate.
The sliding rack 5 comprises two inner frames which are arranged in parallel, a cross beam is fixedly connected between the two inner frames, and the inner frames and the outer frames are parallel to each other. In the present embodiment, the slide frame 5 is described as an example of being installed inside the fixed frame 1, and the slide frame 5 may be installed outside the fixed frame 1 according to actual requirements. The second chain conveying mechanism 6 is mounted on the sliding rack 5 and can slide back and forth along the length direction of the fixed rack 1 along with the sliding rack 5. The conveying plane of the second chain conveying mechanism 6 coincides with or is parallel to the conveying plane of the first chain conveying mechanism 2.
The telescopic chain conveyor provided by the embodiment comprises a fixed rack, a first chain conveying mechanism, a driving piece, a sliding rack and a second chain conveying mechanism, wherein the mounting position of the fixed rack is fixed, and the first chain conveying mechanism can finish conveying operation on the fixed rack; the sliding rack is connected with the fixed rack in a sliding manner and can slide back and forth along the length direction of the fixed rack under the driving of the driving piece, and the second chain conveying mechanism can complete conveying operation on the sliding rack; the sliding machine frame extends outwards to form a conveying state, and the sliding machine frame retracts inwards to form a fire door landing state. This telescopic chain conveyor both can satisfy the demand of opening and closing of stereoscopic warehouse fire door, can satisfy tray goods again and carry the flow needs, and the state switches nimble freedom.
Further, as shown in fig. 1 to 2, the driving member 3 is a motor, and further includes a transmission assembly 4, one end of the transmission assembly 4 is connected to an output shaft of the motor, and the other end of the transmission assembly 4 is connected to the sliding frame 5, so as to convert the rotational motion of the output shaft of the motor into the sliding motion of the sliding frame 5.
Further, as shown in fig. 1 to 2, the transmission assembly 4 includes a gear 41 and a rack 42, and an output shaft of the motor is connected to the gear 41 to rotate the gear 41. The plane of the rack 42 is fixed to the slide frame 5, and the tooth surface of the rack 42 is engaged with the gear 41.
Or the transmission assembly 4 comprises a screw rod and a sliding block (not shown in the figure) sleeved on the screw rod in a threaded manner, and the output shaft of the motor is connected to the screw rod so as to drive the screw rod to rotate; the slide block is fixedly connected with the slide frame 5. In addition, the transmission assembly 4 may also adopt other mechanical transmission structures for converting the rotary motion into the linear motion, such as a worm gear, a belt transmission, and the like.
Further, as shown in fig. 2, the fixed frame 1 is provided with a guide mechanism 7 in the length direction, the guide mechanism 7 includes a moving member 71 and a guide member 72 which are slidably engaged with each other, the guide member 72 is fixedly connected to the fixed frame 1, and the moving member 71 is fixedly connected to the sliding frame 5. Specifically, the moving member 71 may be a linear guide having an i-shaped cross section, and the guide member 72 may be a linear slide groove, and the linear guide is slidably inserted into the linear slide groove to perform a reciprocating slide. In addition, the moving member 71 may be a linear guide having a C-shaped cross section, the guide member 72 may be a slide bar having an i-shaped cross section, and the C-shaped guide may be slidably engaged with both sides of the i-shaped slide bar to achieve the reciprocating sliding.
Further, as shown in fig. 1 and 5, a first travel switch 8 is mounted on the sliding frame 5, a first contact 81 and a second contact 82 are mounted on the fixed frame 1 at intervals in the length direction, and both the first contact 81 and the second contact 82 are used for triggering the first travel switch 8; the first travel switch 8 is electrically connected to the driver 3. The first travel switch 8 may be a mechanical contact type travel switch or a non-contact type formed switch, and in this embodiment, the first travel switch 8 is exemplified by a non-contact type formed switch, and a normally closed contact of the first travel switch 8 is connected in series to the operating circuit of the driving element 3. The first contact 81 is mounted in the extreme position when the sliding frame 5 is fully retracted, and the second contact 82 is mounted in the extreme position when the sliding frame 5 is fully extended.
In the retraction phase of the sliding frame 5, the driving member 3 drives the sliding frame 5 to move leftwards and retract into the fixed frame 1. When the sliding frame 5 is fully retracted, the first travel switch 8 moves to a position right above the first contact 81, so that the contact of the first travel switch 8 is actuated to change from a normally closed state to an open state, and the running circuit of the driving member 3 is cut off, so that the driving member 3 stops moving and the sliding frame 5 stops sliding.
In the extending stage of the sliding frame 5, the driving part 3 drives the sliding frame 5 to move rightwards and extend out of the fixed frame 1. When the sliding frame 5 is fully extended, the first travel switch 8 moves to a position right above the second contact 82, so that the contact of the first travel switch 8 is actuated to change from a normally closed state to an open state, and the running circuit of the driving member 3 is cut off, so that the driving member 3 stops moving and the sliding frame 5 stops sliding.
Further, as shown in fig. 1, one end of the sliding frame 5 facing the inside of the fixed frame 1 (i.e., the left end of the sliding frame 5) is provided with a first buffer head 51, and the inside of the fixed frame 1 is provided with a first limit end stop 11 engaged with the first buffer head 51. When the first travel switch 8 is disabled or over-adjusted, the slider frame 5 is prevented from moving beyond the limit position by the first limit stop 11 contacting the first bumper head 51.
Further, as shown in fig. 3, the second chain conveying mechanism 6 includes a conveying motor (not shown), a driving sprocket 61, a chain 62, and a first steering block 63 and a second steering block 64 fixed to both ends of the sliding frame 5. The conveying motor is installed on the sliding frame 5, and the output shaft of the conveying motor is connected to the driving chain wheel 61 to drive the driving chain wheel 61 to rotate. The chain 62 is wound around the peripheries of the first and second turning blocks 63, 64 and the drive sprocket 61, and is connected end to form a closed loop. The chain 62 is engaged with the driving sprocket 61, and the chain 62 is slidably connected with the first steering block 63 and the second steering block 64.
Specifically, the first turning block 63 and the second turning block 64 are respectively fixed at the left end and the right end of the sliding frame 5, and the first turning block 63 and the second turning block 64 are both provided with sliding grooves matched with the chain 62, and the chain 62 can freely slide in the sliding grooves. The conveying motor drives the driving chain wheel 61 to rotate, and then drives the chain 62 to rotate positively or reversely, so that the conveying operation is completed.
Further, as shown in fig. 3, the second chain conveying mechanism 6 further includes a guide sprocket 65 and a tension sprocket 66, a rotating shaft of the guide sprocket 65 is fixed to the sliding frame 5, and a rotating shaft of the tension sprocket 66 is slidable along a length direction of the sliding frame 5. The guide sprocket 65 and the tension sprocket 66 are respectively positioned on both sides of the driving sprocket 61; the chain 62 passes around a guide sprocket 65, a tension sprocket 66 and a drive sprocket 61 in this order. Specifically, when the chain 62 is too slack, the rotation shaft of the tension sprocket 66 can be adjusted to move to the right, thereby tensioning the chain 62; when the chain 62 is too tight, resulting in a poor running, the rotation shaft of the tension sprocket 66 can be adjusted to move left, thereby loosening the chain 62.
As shown in fig. 4 to 7, an embodiment of the present invention further provides a conveying system using the telescopic chain conveyor, further including a rear end conveyor 10, a fire door 20, and a fire door motor (not shown in the figure) for driving the fire door 20 to ascend and descend, wherein the rear end conveyor 10 and the telescopic chain conveyor are arranged at an interval, and the fire door 20 is installed between the rear end conveyor 10 and the telescopic chain conveyor; the fire door motor is electrically connected with the driving piece 3.
Specifically, the rear end conveyor 10 may be an existing chain conveyor or other form of conveyor. The fire door 20 may be a roll-up door that is raised and lowered or a sliding door that translates. In the present embodiment, a rolling door that moves up and down will be described as an example. The start-up circuit interconnect of fire door motor and driving piece 3 can directly connect in parallel or utilize relay signal connection or connect through PLC control system, as long as can guarantee both synchronization can, all can adopt prior art, and here is no longer repeated. When the fire door motor starts to rotate forwards and the fire door 20 is closed, the driving piece 3 also rotates forwards to drive the sliding rack 5 to retract; when the fire door motor starts to rotate reversely and the fire door 20 is opened, the driving piece 3 also rotates reversely to drive the sliding rack 5 to extend.
Fig. 4 and 5 show the state of the conveying system when the fire door 20 is opened, at this time, the conveying system normally performs conveying operation, the sliding frame 5 drives the second chain conveying mechanism 6 to extend out of the fixed frame 1, and the goods (or pallets) are conveyed to the rear end conveyor 10 after passing through the first chain conveying mechanism 2 and the second chain conveying mechanism 6, and enter the next conveying space. Fig. 6 and 7 show the state of the conveying system when the fire door 20 is closed, at which time the conveying system stops working and the fire door 20 isolates the stereoscopic warehouse for safety.
Further, a second travel switch 9 is mounted on the sliding frame 5, and a third contact (not shown in the figure) corresponding to the second travel switch 9 is mounted on the rear-end conveyor 10 to trigger the second travel switch 9; the second travel switch 9 is electrically connected to the driver 3. When the sliding frame 5 extends to the limit position, the second travel switch 9 is triggered to act through the third contact, the power supply loop of the driving piece 3 is cut off, the sliding frame 5 is stopped, and the second travel switch can be used as a second limit for the right movement of the sliding frame 5 to prevent the sliding frame from colliding with the rear-end conveyor 10.
Further, as shown in fig. 1 and 7, the right end of the sliding frame 5 is further provided with a second buffer head 52, and the left end of the rear conveyor 10 is provided with a second limit stop 101 engaged with the second buffer head 52. When the first travel switch 8 and the second travel switch 9 are both disabled or over-adjusted, the second limit stop 101 contacts the second buffer head 52 to prevent the sliding frame 5 from exceeding the limit position, so as to form a third heavy limit for the right movement of the sliding frame 5.
As can be seen from the above embodiments, the telescopic chain conveyor and the conveying system provided by the present invention comprise a fixed frame, a first chain conveying mechanism, a driving member, a sliding frame, and a second chain conveying mechanism, wherein the fixed frame is fixed at an installation position, and the first chain conveying mechanism can complete conveying operation on the fixed frame; the sliding rack is connected with the fixed rack in a sliding manner and can slide back and forth along the length direction of the fixed rack under the driving of the driving piece, and the second chain conveying mechanism can complete conveying operation on the sliding rack; the sliding machine frame extends outwards to form a conveying state, and the sliding machine frame retracts inwards to form a fire door landing state. This telescopic chain conveyor both can satisfy the demand of opening and closing of stereoscopic warehouse fire door, can satisfy tray goods again and carry the flow needs, and the state switches nimble freedom.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A telescopic chain conveyor comprises a fixed rack and a first chain conveying mechanism fixedly connected to the fixed rack, and is characterized by further comprising a driving piece, a sliding rack and a second chain conveying mechanism fixedly connected to the sliding rack, wherein the sliding rack is connected to the fixed rack in a sliding manner; the driving part is installed on the fixed rack, and an output shaft of the driving part is connected to the sliding rack so as to drive the sliding rack to slide in a reciprocating manner along the length direction of the fixed rack.
2. The telescopic chain conveyor of claim 1, wherein the drive member is a motor, further comprising a transmission assembly, one end of the transmission assembly being connected to an output shaft of the motor, the other end of the transmission assembly being connected to the sliding frame to convert rotational movement of the output shaft of the motor into sliding movement of the sliding frame.
3. The telescopic chain conveyor of claim 2, wherein the transmission assembly includes a gear and a rack, and an output shaft of the motor is connected to the gear to rotate the gear; the plane of the rack is fixedly connected to the sliding rack, and the tooth surface of the rack is meshed with the gear; or
The transmission assembly comprises a lead screw and a sliding block sleeved on the lead screw in a threaded manner, and an output shaft of the motor is connected to the lead screw so as to drive the lead screw to rotate; the sliding block is fixedly connected to the sliding rack.
4. The telescopic chain conveyor of claim 1, wherein the fixed frame is provided with a guide mechanism in a length direction, the guide mechanism comprises a moving member and a guide member which are slidably engaged with each other, the guide member is fixedly connected to the fixed frame, and the moving member is fixedly connected to the sliding frame.
5. The telescopic chain conveyor according to claim 1, wherein a first travel switch is mounted on the sliding frame, a first contact and a second contact are mounted on the fixed frame at intervals in the length direction, and both the first contact and the second contact are used for triggering the first travel switch; the first travel switch is electrically connected to the driving member.
6. The telescopic chain conveyor of claim 1, wherein the end of the sliding frame facing the inside of the fixed frame is provided with a first buffer head, and the inside of the fixed frame is provided with a first limit stop cooperating with the first buffer head.
7. The telescopic chain conveyor according to claim 1, wherein the second chain conveying mechanism includes a conveying motor, a driving sprocket, a chain, and turning blocks fixedly connected to both ends of the sliding frame; the conveying motor is arranged on the sliding rack, and an output shaft of the conveying motor is connected to the driving chain wheel so as to drive the driving chain wheel to rotate; the chain is wound on the peripheries of the steering block and the driving chain wheel and is connected end to form a closed annular loop; the chain is connected with the driving chain wheel in a meshed mode, and the chain is connected with the steering block in a sliding mode.
8. The telescopic chain conveyor of claim 7, wherein the second chain conveying mechanism further comprises a guide sprocket and a tension sprocket, a rotating shaft of the guide sprocket is fixedly connected to the sliding frame, and a rotating shaft of the tension sprocket can slide along the length direction of the sliding frame; the guide chain wheel and the tensioning chain wheel are respectively positioned on two sides of the driving chain wheel; the chain is wound around the guide chain wheel, the tensioning chain wheel and the driving chain wheel in sequence.
9. A conveying system using the telescopic chain conveyor according to any one of claims 1 to 8, further comprising a rear end conveyor, a fire door, and a fire door motor for driving the fire door to ascend and descend, the rear end conveyor being disposed at a distance from the telescopic chain conveyor, the fire door being installed between the rear end conveyor and the telescopic chain conveyor; the fire door motor is electrically connected with the driving piece.
10. The conveyor system of claim 9, wherein a second travel switch is mounted on the slide frame and a third contact corresponding to the second travel switch is mounted on the rear conveyor to activate the second travel switch; the second travel switch is electrically connected to the driving member.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294079.4U CN211392718U (en) | 2019-12-18 | 2019-12-18 | Telescopic chain conveyor and conveying system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922294079.4U CN211392718U (en) | 2019-12-18 | 2019-12-18 | Telescopic chain conveyor and conveying system |
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| CN211392718U true CN211392718U (en) | 2020-09-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588833A (en) * | 2022-03-11 | 2022-06-07 | 安徽农业大学 | Accurate automatic blending of tealeaves is equipped based on automatic weighing |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588833A (en) * | 2022-03-11 | 2022-06-07 | 安徽农业大学 | Accurate automatic blending of tealeaves is equipped based on automatic weighing |
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