CN109268460B - Rigid chain push-pull actuating mechanism - Google Patents
Rigid chain push-pull actuating mechanism Download PDFInfo
- Publication number
- CN109268460B CN109268460B CN201811381816.8A CN201811381816A CN109268460B CN 109268460 B CN109268460 B CN 109268460B CN 201811381816 A CN201811381816 A CN 201811381816A CN 109268460 B CN109268460 B CN 109268460B
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- chain
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- plate
- push
- guide
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- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims description 10
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 241001397809 Hakea leucoptera Species 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
Abstract
The invention discloses a rigid chain push-pull actuating mechanism, which comprises: rigid chain, sprocket and chassis, its characterized in that: the chain wheels are arranged in the underframe, the rigid chains are meshed on the chain wheels, the rigid chains are composed of a plurality of links, each link comprises a left chain plate and a right chain plate, the left chain plates are connected with the right chain plates through connecting pins, and the left chain plates and the right chain plates are in mirror image arrangement in the same left-right symmetry structure; the lower end of the rigid chain is embedded with a chain guide rail in a downward extending way, and the upper end of the rigid chain is connected with a push-pull head; the rigid chain push-pull actuating mechanism can be used as a driving shaft of a power motor in power driving connection through the chain wheel, and is meshed with the rigid chain by the chain wheel, so that the chain wheel rotates to drive the rigid chain to push and pull for load transmission.
Description
Technical Field
The invention relates to the technical field of automatic equipment, in particular to a rigid chain push-pull actuating mechanism.
Background
The rigid chain (also called as drag chain) is a special chain, which has flexibility of common chain and certain rigidity, so that the actuating mechanism composed of rigid chain and driver can replace hydraulic cylinder, air cylinder and electric push rod to be widely used in occasions needing large-stroke pushing load, so as to reduce the volume of equipment and save space. The rigid chain push-pull actuating mechanism comprises a rigid chain and a driver, wherein the rigid chain consists of a plurality of chain links, each chain link comprises a pair of outer chain plates, a pair of inner chain plates, a transmission pin shaft which is arranged on one side of the chain link and is used for hinging the pair of outer chain plates and the pair of inner chain plates together by a head part, and two guide pin shafts which are arranged on the other side of the chain link and are used for respectively penetrating the pair of outer chain plates and the pair of inner chain plates together by the middle part; the driver comprises two guide plates which are oppositely arranged and a chain wheel which is supported between the two guide plates by a transmission shaft and meshed with the rigid chain; the rigid chain push-pull actuating mechanism has the following defects in structural combination and chain load transmission: 1. each pair of chain links are connected through a locking mechanism, the locking mechanism mainly comprises transverse long-strip-shaped sliding holes respectively arranged at corresponding positions on the outer chain plate and the inner chain plate, and a sliding pin which is arranged in the sliding holes in a penetrating manner and can slide back and forth in the sliding holes, wherein one end of the sliding hole arranged on the outer chain plate is provided with a notch through which the sliding pin can enter or exit the sliding holes; the middle parts of the inner side of the outer chain plate and the outer side of the inner chain plate are respectively provided with a boss, wherein the side surfaces of the bosses on the outer chain plate are matched with the end parts of the inner chain plate, and the bosses on the inner chain plate are matched with the end parts of the outer chain plate; two nuts are arranged in the middle of the sliding pin between the pair of inner chain plates, a compression spring is arranged between each nut and the inner chain plate, and two ends of the compression spring are respectively extruded on the inner chain plate and the nuts; the link plates of the locking mechanism are connected more complicated, the production and the processing are inconvenient, and the sliding pin is easy to deform; 2. the sprocket sets up between a pair of outer link joint and a pair of inner link joint, and a pair of outer link joint is articulated through drive pin axle and direction round pin axle with a pair of inner link joint, and the gear portion and the drive pin axle meshing of sprocket just carry out power transmission, and the stress surface that gear portion and the drive pin axle of sprocket are connected each other is less, easily appears local wearing and tearing and lead to the gear portion deformation of sprocket to cause the unable normal operating of whole rigid chain push-pull actuating mechanism when the transmission load is great, and its bearing capacity is low, and the stability of continuous transmission load is relatively poor.
Disclosure of Invention
The invention mainly solves the technical problems that the existing chain links are too complex in mutually overlapped locking structure, the sliding pin is unstable, reliable, more in stress and easy to deform, and the chain wheel cannot normally operate due to single stress and easy deformation between the chain wheel and the driving pin, and the bearing performance is low and the size load-transferring stability is poor, so that the rigid chain push-pull actuating mechanism is simple in structure, strong in rigidity, large in load-transferring bearing capacity and stable in service performance.
The invention solves the problems by adopting the following technical scheme: a rigid chain push-pull actuator comprising: the chain wheel is arranged in the underframe, the chain wheel is meshed with the rigid chain, the rigid chain is composed of a plurality of links, each link comprises a left chain plate and a right chain plate, the left chain plate is connected with the right chain plate through a connecting pin, and the left chain plate and the right chain plate are identical in structure and are arranged in a mirror image mode in a bilateral symmetry mode; the lower end of the rigid chain is embedded with a chain guide rail in a downward extending way, and the upper end of the rigid chain is connected with a push-pull head; the rigid chain push-pull actuating mechanism can be used as a driving shaft of a power motor in power driving connection through the chain wheel, and is meshed with the rigid chain by the chain wheel, so that the chain wheel rotates to drive the rigid chain to push and pull for load transmission.
Preferably, 2 concave steps for the chain links to overlap with each other are formed in the front upper corners of the left chain plate and the right chain plate, boss steps which are in overlap fit with the concave steps are formed in the rear upper corners of the left chain plate and the right chain plate, connecting parts A are arranged at the front ends of the left chain plate and the right chain plate, and connecting holes A are formed in the connecting parts A; the rear ends of the left chain plate and the right chain plate are respectively provided with a connecting part B, the connecting parts B are provided with connecting holes B, the connecting parts B are outwards protruded, and insertion positions for inserting and matching the connecting parts A are formed on the inner sides of the connecting parts B; each chain link is overlapped with each other and embedded in the insertion position by the connecting part A, the convex step and the concave step are mutually propped against and matched with each other, the connecting hole A corresponds to the connecting hole B, and the connecting pin penetrates through the connecting hole A and the connecting hole B to fixedly connect the connecting part A with the connecting part B.
Preferably, the two ends of the connecting pin are respectively and spirally connected with a chain link sleeve outside the left chain plate and the right chain plate, an elastic retainer ring is clamped between the outer part of the chain link sleeve and the connecting pin to prevent the chain link sleeve from slipping off the connecting pin, the two ends of the connecting pin are sheathed with the chain link sleeve through threads, so that the left chain plate and the right chain plate are connected and fastened, and particularly, when the chain wheel is used as a rigid chain for driving and driving, the gear part of the chain wheel can be contacted with the chain link sleeve to push; the connecting hole B is in clearance fit with the connecting pin, a pin sleeve is sleeved outside the connecting pin, the pin sleeve stretches into the connecting hole A, and the pin sleeve is matched with the connecting hole A.
Preferably, the chain wheel comprises a left chain wheel, a right chain wheel and a connecting sleeve between the left chain wheel and the right chain wheel, wherein the left chain wheel and the right chain wheel are respectively meshed with chain link sleeves arranged at the left side and the right side of the rigid chain; and a through hole and a key slot for fixedly connecting the power driving shaft are arranged in the connecting sleeve.
Preferably, the number of the chain guide rails is 2, and each chain guide rail is internally provided with a track which is of a runway type structure; the rigid chain is embedded in the track through a chain link sleeve; the structure has the advantages that the chain guide rail accurately guides the rigid chain, and the phenomenon of derailment and the like of the rigid chain during load transfer is avoided; so that the rigid chain push-pull actuating mechanism stably operates during load transmission.
Preferably, the underframe comprises a bottom plate, a left support plate and a right support plate which are arranged on the bottom plate, wherein a first mounting hole and a second mounting hole for bearing installation are respectively formed in the left support plate and the right support plate, a first bearing is installed in the first mounting hole, a second bearing is installed in the second mounting hole, a chain wheel is installed between the left support plate and the right support plate, and the chain wheel is connected with the first bearing and the second bearing through transmission shafts; the first bearing and the second bearing are respectively provided with a first bearing seat and a second bearing seat, the first bearing seat and the second bearing seat are respectively matched with the first mounting hole and the second mounting hole, the upper part of the bottom plate is provided with a guide notch for the rigid chain to pass through, and the rigid chain is arranged in the guide notch; the rigid chain push-pull actuating mechanism is fixedly connected and installed with the equipment workbench through the bottom plate, so that the guide notch arranged on the bottom plate can enable the rigid chain to normally operate and complementarily interfere.
Preferably, the upper surface and the lower surface of the rigid chain are respectively provided with a first guide block and a second guide block, the number of the first guide blocks is 2, the 2 first guide blocks are provided with chain link sleeves which are matched with chain wheels and respectively cover the left side and the right side of the rigid chain meshed with the left chain wheel and the right chain wheel, and the first guide blocks extend along the front-back direction of the rigid chain; the first guide block effectively limits the rigid chain to prevent the rigid chain from being separated from the chain wheel.
Preferably, the two ends of the first guide block are provided with mounting unfilled corners, the unfilled corners arranged at the front end of the first guide block are matched with the guide notch of the bottom plate to be propped against each other, and the rear end of the first guide block is propped against the chain guide rail arranged at the left side; the second guide block is of a pistol type structure, the second guide block is arranged on the guide notch in a cushioning mode, meanwhile, the rear end of the second guide block is propped against the bottom plate, the second guide block is arranged at the bottom of the rigid chain and is embedded between the left chain plate and the right chain plate to prop against the pin bush, and friction between the lower couch of the rigid chain, the underframe and the working table surface of the equipment is prevented.
Preferably, the left and right sides are respectively provided with a dust-proof plate A outside the chain guide rail, the rigid chain is sleeved with a dust-proof plate B with a rectangular structure and is matched with the dust-proof plate A and the bottom plate, and the whole rigid chain push-pull actuating mechanism is contained in the chain guide rail to prevent dust and foreign matters from entering.
Preferably, one end of the rigid chain is connected with the push-pull head through a connecting pin, the front end of the push-pull head is provided with an adjustable hook structure for grabbing a product, and the adjustable hook structure is used for adjusting the tightness of the push-pull head when clamping the product.
Compared with the prior art, the invention has the following advantages that: the chain wheel in the rigid chain push-pull actuating mechanism is provided with the left chain wheel and the right chain wheel and is meshed with the chain link sleeves on the left side and the right side of the rigid chain for transmission, the structure can increase the stress area of the chain wheel, reduce stress friction and avoid deformation, so that the operation of the chain wheel is more stable, the upper part and the lower part of the rigid chain are respectively provided with the first guide block and the second guide block, the interference between the rigid chain and the working table of the equipment is avoided when the rigid chain operates, and the derailment phenomenon of the rigid chain is avoided; it is especially important that the rigid chain is formed by connecting a plurality of chain link connecting pins, each chain link comprises a left chain plate and a right chain plate, the left chain plate and the right chain plate are in mirror symmetry structures, a connecting part A and a connecting part B which are used for being inserted and matched with each other are respectively arranged at the front and the back of each chain plate, convex steps and concave steps which are used for being overlapped with each other are also arranged at the front upper corner ends and the back upper corner ends of the left chain plate and the right chain plate, and the structure is simple and convenient, so that the rigid performance of the rigid chain is strong, the flexible motion performance of the rigid chain is good, and therefore, the load of the rigid chain push-pull actuating mechanism is large and the service performance is stable.
Drawings
FIG. 1 is an exploded perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic perspective view of the rigid chain of the present invention;
FIG. 4 is an enlarged view of FIG. 3 in the direction A;
FIG. 5 is a schematic perspective view of a link of the present invention;
FIG. 6 is a schematic perspective view of the left link plate of the present invention;
FIG. 7 is a schematic perspective view of the right link plate of the present invention;
FIG. 8 is a schematic perspective view of the sprocket of the present invention;
FIG. 9 is a schematic perspective view of the chassis of the present invention;
FIG. 10 is a schematic view of an installation and use perspective of the present invention;
the figure shows: 1. the chain includes, by weight, 2, chain links, 21, left link plates, 22, right link plates, 23, recessed steps, 24, raised steps, 25, connecting portion A,251, connecting hole A,26, connecting portion B,261, connecting hole B,262, insert, 27, connecting pin, 271, bushing, 28, bushing, 29, circlip, 3, sprocket, 31, left sprocket, 32, right sprocket, 33, connecting sleeve, 331, through hole, 332, keyway, 4, chain guide, 41, track, 5, underframe, 51, bottom plate, 511, guide gap, 52, left bracket plate, 521, first mounting hole, 522, first bearing, 523, first bearing housing, 53, right bracket plate, 531, second mounting hole, 532, second bearing, 533, second bearing housing, 6, drive shaft, 7, first guide block, 71, mounting unfilled corner, 8, second guide block, 91, dust guard A,92, dust guard B,10, push-pull head, 101, adjustable hook, 11, shaft coupler, 12, drive shaft, 13.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
The embodiment is as follows: a rigid chain push-pull actuator as shown in fig. 1 and 2: it includes rigid chain (1), sprocket (3) and chassis (5), and sprocket (3) are installed in chassis (5), and the meshing has rigid chain (1) on sprocket (3), as shown in fig. 3: the rigid chain (1) is composed of several links (2), as shown in fig. 4: each section of chain link (2) comprises a left chain plate (21) and a right chain plate (22), the left chain plate (21) and the right chain plate (22) are connected through a connecting pin (27), and the left chain plate (21) and the right chain plate (22) are in the same structure and are in mirror image arrangement in bilateral symmetry; the lower end of the rigid chain (1) is embedded with a chain guide rail (4) in a downward extending way, and the upper end of the rigid chain (1) is connected with a push-pull head; as shown in fig. 5, 6 and 7: 2 concave steps (23) for the chain links (2) to overlap each other are formed in the front upper corners of the left chain plate (21) and the right chain plate (22), boss steps (24) which are in overlap fit with the concave steps (23) are formed in the rear upper corners of the left chain plate (21) and the right chain plate (22), connecting parts A (25) are arranged at the front ends of the left chain plate (21) and the right chain plate (22), and connecting holes A (251) are formed in the connecting parts A (25); the rear ends of the left chain plate (21) and the right chain plate (22) are respectively provided with a connecting part B (26), the connecting parts B (26) are provided with connecting holes B (261), the connecting parts B (26) are outwards protruded, and inserting positions (262) for inserting and matching the connecting parts A (25) are formed on the inner sides of the connecting parts B (26); each chain link (2) is overlapped with each other, the connecting part A (25) is embedded in the inserting position (262), the convex step (24) and the concave step (23) are propped against each other and matched, the connecting hole A (251) and the connecting hole B (261) correspond, and the connecting pin (27) penetrates through the connecting hole A (251) and the connecting hole B (261) to fixedly connect the connecting part A (25) with the connecting part B (26); as shown in fig. 4 and 5: the two ends of the connecting pin (27) are both in threaded connection with the chain link sleeve (28) outside the left chain plate (21) and the right chain plate (22), the elastic retainer ring (29) is clamped between the outer part of the chain link sleeve (28) and the connecting pin (27) to prevent the chain link sleeve (28) from slipping off, the chain link sleeve (28) is sleeved at the two ends of the connecting pin (27) through threads, so that the left chain plate (21) and the right chain plate (22) are connected and fastened, and particularly, when the chain wheel (3) is used for driving and driving a rigid chain (1), the gear part of the chain wheel (3) can be contacted with the chain link sleeve (28) to push; the connecting hole B (261) is in clearance fit with the connecting pin (27), a pin bush is sleeved outside the connecting pin (27), the pin bush extends into the connecting hole A (251), and the pin bush is matched with the connecting hole A (251); as shown in fig. 8: the chain wheel (3) comprises a left chain wheel (31) (3) and a right chain wheel (32) (3) and a connecting sleeve (33) between the left chain wheel (31) (3) and the right chain wheel (32) (3), the left chain wheel (31) (3) and the right chain wheel (32) (3) are respectively meshed with chain link sleeves (28) arranged at the left side and the right side of the rigid chain (1), and the structure can increase the stress area of the chain wheel (3), reduce stress friction and avoid deformation, so that the chain wheel (3) runs more stably; a through hole (331) and a key slot (332) for fixedly connecting a power driving shaft are formed in the connecting sleeve (33); as shown in fig. 1: the number of the chain guide rails (4) is 2, a track (41) is arranged in each chain guide rail (4), and the track (41) is of a runway type structure; the rigid chain (1) is embedded in the track (41) through a chain link sleeve (28); the structure has the advantages that the chain guide rail (4) accurately guides the rigid chain (1) and avoids the phenomena of derailment and the like of the rigid chain (1) during load transmission; the rigid chain (1) pushes and pulls the actuating mechanism to stably operate during load transmission; as shown in fig. 1 and 9: the chassis (5) comprises a bottom plate (51), a left support plate (52) and a right support plate (53) which are arranged on the bottom plate (51), a first mounting hole (521) and a second mounting hole (531) for bearing mounting are respectively formed in the left support plate (52) and the right support plate (53), a first bearing (522) is arranged in the first mounting hole (521), a second bearing (532) is arranged in the second mounting hole (531), a chain wheel (3) is arranged between the left support plate (52) and the right support plate (53), and the chain wheel (3) is connected with the first bearing (522) and the second bearing (532) through transmission shafts; the first bearing (522) and the second bearing (532) are respectively provided with a first bearing seat (523) and a second bearing seat (533), the first bearing seat (523) and the second bearing seat (533) are respectively matched with a first mounting hole (521) and a second mounting hole (531), a guide gap (511) for a rigid chain (1) to pass through is formed in the upper part of the bottom plate (51), and the rigid chain (1) is arranged in the guide gap (511); the push-pull actuating mechanism of the rigid chain (1) is fixedly connected and installed with the equipment workbench through the bottom plate (51), so that the guide notch (511) arranged on the bottom plate (51) can enable the rigid chain (1) to normally operate and complementarily interfere; as shown in fig. 1: the upper surface and the lower surface of the rigid chain (1) are respectively provided with a first guide block (7) and a second guide block (8), the number of the first guide blocks (7) is 2, the 2 first guide blocks (7) are provided with radians matched with the chain wheels (3) and are respectively covered on chain link sleeves (28) on the left side and the right side of the rigid chain (1) meshed with the left chain wheel (31) and the right chain wheel (32), and the first guide blocks (7) extend along the front-back direction of the rigid chain (1); the first guide block (7) effectively limits the rigid chain (1) to prevent the rigid chain from being separated from the chain wheel (3); the two ends of the first guide block (7) are provided with mounting unfilled corners (71), the unfilled corners arranged at the front end of the first guide block (7) are matched with the guide gaps (511) of the bottom plate (51) to be propped against each other, and the rear end of the first guide block (7) is propped against the chain guide rail (4) arranged at the left side; the second guide block (8) is of a pistol type structure, the second guide block (8) is arranged on the guide notch (511) in a cushioning mode, meanwhile, the rear end of the second guide block (8) is propped against the bottom plate (51), the second guide block (8) is arranged at the bottom of the rigid chain (1) and is embedded between the left chain plate (21) and the right chain plate (22) to prop against the pin bush, and friction between the lower couch of the rigid chain (1) and the underframe (5) and friction between the lower couch of the rigid chain and the equipment working table surface are prevented; the left side and the right side of the chain guide rail (4) are respectively provided with a dust guard A (91), a dust guard B (92) with a rectangular structure is sleeved outside the rigid chain (1) and matched with the dust guard A (91) and the bottom plate (51), and the push-pull actuating mechanism of the whole rigid chain (1) is contained to prevent dust and foreign matters from entering; one end of the rigid chain (1) is connected with the push-pull head through a connecting pin (27), the front end of the push-pull head is provided with an adjustable hook structure for grabbing a product, and the adjustable hook structure is used for adjusting the tightness of the push-pull head when clamping the product.
The working principle of the invention is as follows: as shown in fig. 10: the rigid chain push-pull actuating mechanism can be connected with a power motor and fixedly arranged at one side of a device workbench needing loading or carrying, the power motor works to hook a tool and a mould or other large-scale clamping tools on the workbench through a push-pull head of the rigid chain push-pull actuating mechanism to simultaneously carry out push-pull carrying, the carrying force is larger and the carrying force is stable during push-pull carrying; the chain wheel in the rigid chain push-pull actuating mechanism is provided with a left chain wheel structure and a right chain wheel structure, and simultaneously is meshed with chain link sleeves on the left side and the right side of the rigid chain for transmission; in addition, the chain link of the rigid chain has simple structure, strong rigidity and flexible operation performance, so that good synchronism with the push-pull actuating mechanism of the rigid chain and continuous stability of the whole machine in use are ensured.
Claims (7)
1. The utility model provides a rigid chain push-and-pull actuating mechanism, it includes, rigid chain (1), sprocket (3) and chassis (5) its characterized in that: the chain wheel (3) is arranged in the underframe (5), the rigid chain (1) is meshed on the chain wheel (3), the rigid chain (1) is composed of a plurality of links (2), each link (2) comprises a left chain plate (21) and a right chain plate (22), the left chain plate (21) is connected with the right chain plate (22) through a connecting pin (27), and the left chain plate (21) and the right chain plate (22) are in the same structure and are in mirror image arrangement in bilateral symmetry; the lower end of the rigid chain (1) is embedded with a chain guide rail (4) in a downward extending mode, and the upper end of the rigid chain (1) is connected with a push-pull head (10); 2 concave steps (23) for the chain links (2) to overlap with each other are formed in the front upper corners of the left chain plate (21) and the right chain plate (22), boss steps (24) which are in overlap fit with the concave steps (23) are formed in the rear upper corners of the left chain plate (21) and the right chain plate (22), connecting parts A (25) are arranged at the front ends of the left chain plate (21) and the right chain plate (22), and connecting holes A (251) are formed in the connecting parts A (25); the rear ends of the left chain plate (21) and the right chain plate (22) are respectively provided with a connecting part B (26), the connecting parts B (26) are provided with connecting holes B (261), the connecting parts B (26) are outwards protruded, and inserting positions (262) for inserting and matching the connecting parts A (25) are formed on the inner sides of the connecting parts B (26); each chain link (2) is overlapped with each other and embedded in the insertion position (262) by the connecting part A (25), the boss step (24) and the concave step (23) are propped against each other and matched, the connecting hole A (251) and the connecting hole B (261) correspond, and the connecting pin (27) penetrates through the connecting hole A (251) and the connecting hole B (261) to fixedly connect the connecting part A (25) with the connecting part B (26); the two ends of the connecting pin (27) are respectively and spirally connected with a chain link sleeve (28) outside the left chain plate (21) and the right chain plate (22), an elastic retainer ring (29) is clamped with the connecting pin (27) outside the chain link sleeve (28) to prevent the chain link sleeve (28) from slipping off the connecting pin (27), and the chain link sleeve (28) is sleeved at the two ends of the connecting pin (27) through threads; the connecting hole B (261) is in clearance fit with the connecting pin (27), a pin sleeve (271) is sleeved outside the connecting pin (27), the pin sleeve (271) stretches into the connecting hole A (251), and the pin sleeve (271) is matched with the connecting hole A (251); the chain wheel (3) comprises a left chain wheel (31) and a right chain wheel (32) and a connecting sleeve (33) between the left chain wheel (31) and the right chain wheel (32), and the left chain wheel (31) and the right chain wheel (32) are respectively meshed with chain link sleeves (28) arranged at the left side and the right side of the rigid chain (1); and a through hole (331) and a key slot (332) for fixedly connecting the transmission shaft (6) are arranged in the connecting sleeve (33).
2. A rigid chain push-pull actuator as set forth in claim 1 wherein: the number of the chain guide rails (4) is 2, a track (41) is arranged in each chain guide rail (4), and the track (41) is of a runway type structure; the rigid chain (1) is embedded in the track (41) through a chain link sleeve (28); the left and right sides of each pair of chain links (2) of the rigid chain (1) are respectively provided with a chain link sleeve (28), and the left and right chain link sleeves (28) are respectively embedded in the tracks (41) of the 2 chain guide rails (4).
3. A rigid chain push-pull actuator as set forth in claim 2 wherein: the chassis (5) comprises a bottom plate (51) and a left support plate (52) and a right support plate (53) which are arranged on the bottom plate (51), wherein a first mounting hole (521) and a second mounting hole (531) for mounting a bearing and a transmission shaft (6) are respectively formed in the left support plate (52) and the right support plate (53), a first bearing (522) is mounted in the first mounting hole (521), a second bearing (532) is mounted in the second mounting hole (531), a chain wheel (3) is mounted between the left support plate (52) and the right support plate (53), and the chain wheel (3) is connected with the first bearing (522) and the second bearing (532) through the transmission shaft; the first bearing (522) and the second bearing (532) are respectively provided with a first bearing seat (523) and a second bearing seat (533), the first bearing seat (523) and the second bearing seat (533) are respectively matched with a first mounting hole (521) and a second mounting hole (531), a guide notch (511) for a rigid chain (1) to pass through is arranged at the upper part of the bottom plate (51), and the rigid chain (1) is arranged in the guide notch (511).
4. A rigid chain push-pull actuator as set forth in claim 3 wherein: the rigid chain (1) is characterized in that a first guide block (7) and a second guide block (8) are respectively arranged on the upper surface and the lower surface of the rigid chain (1), the number of the first guide blocks (7) is 2, the first guide blocks (7) are provided with radians matched with the chain wheels (3), the radians matched with the first guide blocks are respectively covered on chain link sleeves (28) on the left side and the right side of the rigid chain (1) meshed with the left chain wheel (31) and the right chain wheel (32), and the first guide blocks (7) extend along the front-back direction of the rigid chain (1).
5. A rigid chain push-pull actuator as set forth in claim 4 wherein: the two ends of the first guide block (7) are respectively provided with a mounting unfilled corner (71), the mounting unfilled corner (71) arranged at the front end of the first guide block (7) is matched with the guide notch (511) of the bottom plate (51) to be propped against each other, and the rear end of the first guide block (7) is propped against the chain guide rail (4) arranged at the left side; the second guide block (8) is of a pistol type structure, the second guide block (8) is arranged on the guide notch (511) in a padded mode, the rear end of the second guide block (8) is propped against the bottom plate (51), the second guide block (8) is arranged at the bottom of the rigid chain (1), and the second guide block is embedded between the left chain plate (21) and the right chain plate (22) to prop against the pin sleeve (271).
6. A rigid chain push-pull actuator as set forth in claim 5 wherein: the left side and the right side are respectively provided with a dust guard A (91) outside the chain guide rail (4), and a dust guard B (92) with a rectangular structure is sleeved outside the rigid chain (1) and matched with the dust guard A (91) and the bottom plate (51).
7. A rigid chain push-pull actuator as set forth in claim 6 wherein: one end of the rigid chain (1) is connected with the push-pull head (10) through a connecting pin (27), and the front end of the push-pull head (10) is provided with an adjustable hook part (101) structure for grabbing a product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811381816.8A CN109268460B (en) | 2018-11-20 | 2018-11-20 | Rigid chain push-pull actuating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381816.8A CN109268460B (en) | 2018-11-20 | 2018-11-20 | Rigid chain push-pull actuating mechanism |
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| Publication Number | Publication Date |
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| CN109268460A CN109268460A (en) | 2019-01-25 |
| CN109268460B true CN109268460B (en) | 2024-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811381816.8A Active CN109268460B (en) | 2018-11-20 | 2018-11-20 | Rigid chain push-pull actuating mechanism |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110030329A (en) * | 2019-03-05 | 2019-07-19 | 浙江佳合文化科技股份有限公司 | Rigid chain chain link and rigid chain chain and rigid chain go up and down executing agency |
| CN109990046B (en) * | 2019-04-16 | 2024-04-30 | 山西工程职业技术学院 | Combined elastic chain plate and rotary tooth type toothed chain thereof |
| CN110529556A (en) * | 2019-08-19 | 2019-12-03 | 宁波益捷精密机械有限公司 | A kind of novel rigid chain |
| CN111089140A (en) * | 2019-11-19 | 2020-05-01 | 浙江工业大学 | Chain post locking device of rigid chain driving device |
| CN113864402B (en) * | 2021-08-17 | 2023-05-12 | 江苏省光华科技发展有限公司 | Transmission device of self-locking type straight chain |
| CN114162741B (en) * | 2021-10-22 | 2023-08-25 | 中广核研究院有限公司 | Rigid push chain drive system |
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