CN109629946B - Personnel gate driving mechanism based on cam transmission - Google Patents
Personnel gate driving mechanism based on cam transmission Download PDFInfo
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- CN109629946B CN109629946B CN201811411799.8A CN201811411799A CN109629946B CN 109629946 B CN109629946 B CN 109629946B CN 201811411799 A CN201811411799 A CN 201811411799A CN 109629946 B CN109629946 B CN 109629946B
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- box body
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- gear shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 51
- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 240000005002 Erythronium dens canis Species 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
- E05F11/54—Man-operated mechanisms for operating wings, including those which also operate the fastening for doors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/0013—Followers; Bearings therefor
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/638—Cams; Ramps
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/71—Toothed gearing
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2999/00—Subject-matter not otherwise provided for in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a containment system of a nuclear power station, in particular to a personnel gate driving mechanism based on cam transmission. The box comprises a box body, wherein an upper gear shaft and a lower gear shaft are arranged on the box body, an upper hand wheel is arranged on the upper gear shaft, and a lower hand wheel is arranged on the lower gear shaft. The side wall of the box body is provided with a locking bolt, and the top of the box body is provided with a push rod and an unlocking gear shaft which are vertically arranged. The novel gear box is characterized in that a rotating shaft is arranged in a box body between an upper gear shaft and a lower gear shaft, and a first cam, a second cam, a third cam and a fourth cam are sequentially arranged on the rotating shaft. A first connecting shaft is arranged at one end of a locking bolt positioned in the box body, and a second connecting shaft is arranged at one end of a push rod positioned in the box body. A rack is arranged in the box body corresponding to the first cam and the second cam, and a third connecting shaft is fixed at one end of the rack. The upper gear shaft is connected with a first cam through a gear transmission mechanism, and an interlocking mechanism is arranged between the first cam and the lower gear shaft. The driving mechanism has the advantages of simple structure, small occupied space and high reliability.
Description
Technical Field
The invention relates to a containment system of a nuclear power station, in particular to a personnel gate driving mechanism based on cam transmission, which is used for driving a personnel gate switch.
Background
Currently, there are two types of personnel gate driving mechanisms for a containment of a nuclear power plant: another is a chinese patent with application number 201210418786X, 2013205664495.
The personnel gate driving mechanism disclosed in China patent application No. 201210418786X comprises a box body, a transmission gear train and an incomplete gear train, wherein the incomplete gear train comprises a driven incomplete gear I, a driven incomplete gear II, a driven incomplete gear III and a driving incomplete gear. The driving incomplete gear is intermittently meshed with the driven incomplete gear I, the driven incomplete gear II and the driven incomplete gear III. The driven incomplete gear I is connected with a wheel shaft key, a connecting rod I is arranged on the wheel shaft, and the connecting rod I is connected with a pressure balance valve of the personnel gate. The driven incomplete gear II is connected with a connecting rod II, and the connecting rod II is connected with a personnel gate locking device. The driven incomplete gear III is connected with a rack, and the rack is connected with a bevel gear set of a transmission box in the middle of the personnel gate. The transmission case utilizes three incomplete gears to drive the connecting rod I, the connecting rod II and the rack to move respectively, and each incomplete gear is matched with the wheel shaft and the transmission gear, so that the transmission case has the advantages of more required parts, complex structure and larger occupied space.
Chinese patent application No. 2013205664495 discloses a personnel gate driving mechanism comprising a driving member capable of continuous rotary movement, a valve plate member provided with a balance valve connection port, a locking member provided with a locking connection port, a rotating member provided with a door rotation connection port, and an interlocking member connected with the valve plate member. The valve plate member, the locking member and the rotating member are disposed around the driving member. In the driving mechanism, the valve plate component, the locking component and the rotating component need to be arranged around the driving component, so that the available space is smaller, the structural size of the stress component is smaller, and the reliability is poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing a personnel gate driving mechanism based on cam transmission, which has the advantages of simple structure, small occupied space and high reliability.
In order to solve the problems, the following technical scheme is provided:
the invention relates to a personnel gate driving mechanism based on cam transmission, which comprises a box body, wherein an upper gear shaft and a lower gear shaft are arranged on the box body, both ends of the upper gear shaft and the lower gear shaft penetrate through the side wall of the box body and extend out, the upper gear shaft, the lower gear shaft and the box body are in rotary fit, an upper hand wheel is arranged at one extending end of the upper gear shaft, and a lower hand wheel is arranged at one extending end of the lower gear shaft. The side wall of the box body is provided with a locking bolt which is horizontally arranged, the top of the box body is provided with a push rod and an unlocking gear shaft which are vertically arranged, one ends of the locking bolt, the push rod and the unlocking gear shaft are all positioned in the box body, the other ends of the locking bolt, the push rod and the unlocking gear shaft are all positioned outside the box body, and the locking bolt, the push rod and the unlocking gear shaft are in sliding fit with the box body. The novel gear box is characterized in that a rotating shaft is arranged in a box body between the upper gear shaft and the lower gear shaft, two ends of the rotating shaft are in rotary fit with the side wall of the box body, a first cam, a second cam, a third cam and a fourth cam are sequentially arranged on the rotating shaft, the first cam, the second cam, the third cam and the fourth cam are groove cams, the groove shape of the first cam is identical to the groove shape of the second cam, the grooves of the first cam and the groove shape of the second cam are opposite, the groove shape of the third cam and the groove shape of the fourth cam are identical, and the grooves of the third cam and the groove shape of the fourth cam are opposite. A first connecting shaft is arranged at one end of a locking bolt positioned in the box body, a second connecting shaft is arranged at one end of a push rod positioned in the box body, and the first connecting shaft and the second connecting shaft are positioned between grooves of the third cam and the fourth cam. The first cam and the second cam are internally provided with racks which are horizontally arranged, the racks are matched with the box in a sliding mode along the longitudinal direction of the racks, one end of each rack is fixedly provided with a third connecting shaft, the third connecting shafts are located in grooves between the first cam and the second cam, and gears of the unlocking gear shafts are meshed with the racks. The first cam is a toothed cam, the upper gear shaft is connected with the first cam through a gear transmission mechanism, and an interlocking mechanism is arranged between the first cam and the lower gear shaft.
The gear transmission mechanism comprises a transmission gear shaft, a large gear and a small gear are arranged on the transmission gear shaft, the large gear is meshed with a gear of the upper gear shaft, and the small gear is meshed with the first cam.
The grooves on the first cam and the second cam are sequentially divided into a first arc section and a first gradually opened section from one end to the other end, the distances between each position on the first arc section and the rotating shaft are equal, the distances between the first gradually opened section and the rotating shaft from one end connected with the first arc section to the other end are gradually increased, and in a door closing state, the third connecting shaft is located in one end of the first arc section far away from the first gradually opened section. The grooves on the third cam and the fourth cam are sequentially divided into a second circular arc section, a second gradually-opened section and a third circular arc section from one end to the other end, the distance between each position on the second circular arc section and the rotating shaft is equal, the distance between each position on the second gradually-opened section, which is connected with the second circular arc section, and the other end of each position on the third circular arc section and the rotating shaft are gradually reduced, under the door closing state, the first connecting shaft is positioned in one end of the second circular arc section far away from the second gradually-opened section, and the second connecting shaft is positioned at the connecting position of the second circular arc section and the second gradually-opened section.
The interlocking mechanism comprises a clamping plate located between a first cam and a lower gear shaft, the clamping plate is L-shaped, the joint of the vertical part and the transverse part of the clamping plate is hinged to a box body, a boss is arranged on the side wall of the first cam, a guide block is arranged in the box body between the boss and the clamping plate, a guide hole is formed in the guide block, a pull rod is arranged in the guide hole, the upper end of the pull rod is connected with the boss, the lower end of the pull rod is hinged to the transverse part of the clamping plate, a reset tension spring is arranged between the transverse part of the clamping plate and the box body, a convex tooth extending downwards is arranged at the bottom of one end of the transverse part of the clamping plate, and the position of the convex tooth corresponds to the gear position of the lower gear shaft.
The inner side of the vertical part of the clamping plate is provided with an eccentric wheel, and the distance from the vertical part of the clamping plate to the wheel center of the eccentric wheel is greater than the minimum value from the outer edge of the eccentric wheel to the wheel center of the eccentric wheel and less than the maximum value from the outer edge of the eccentric wheel to the wheel center of the eccentric wheel. The central shaft of the eccentric wheel penetrates through the side wall of the box body and extends out of the box body, the central shaft of the eccentric wheel is matched with the box body in a rotating mode, and a knob is arranged at the extending end of the central shaft of the eccentric wheel.
The box body corresponding to the rack is internally provided with a guide sleeve which is horizontally arranged, one end of the rack far away from the third connecting shaft is positioned in the guide sleeve, and the rack is matched with the guide sleeve in a sliding mode.
Sliding sleeves are arranged between the locking bolt and the push rod as well as between the push rod and the box body.
By adopting the scheme, the method has the following advantages:
because the box body between the gear shaft and the lower gear shaft of the personnel gate driving mechanism based on cam transmission is internally provided with the rotating shaft, the rotating shaft is sequentially provided with the first cam, the second cam, the third cam and the fourth cam, one end of a locking bolt positioned in the box body is provided with the first connecting shaft, one end of a push rod positioned in the box body is provided with the second connecting shaft, the first connecting shaft and the second connecting shaft are both positioned between grooves of the third cam and the fourth cam, a rack is arranged in the box body corresponding to the first cam and the second cam, one end of the rack is fixedly provided with the third connecting shaft, the third connecting shaft is positioned in the groove between the first cam and the second cam, the gear of the unlocking gear shaft is meshed with the rack, the first cam is a toothed cam, the upper gear shaft is connected with the first cam through the gear transmission mechanism, and an interlocking mechanism is arranged between the first cam and the lower gear shaft. The driving mechanism drives the first cam, the second cam, the third cam and the fourth cam to rotate by utilizing the rotating shaft, thereby driving the locking bolt, the push rod and the unlocking gear shaft to move for unlocking or locking. The four cams of the driving mechanism share one cam shaft, and the first cam with teeth is used as a transmission gear, so that the number of parts is greatly reduced, the structure of the whole driving mechanism is simplified, and the occupation of space is reduced. Moreover, the first cam, the second cam, the third cam and the fourth cam of the driving mechanism do not need to rotate around the driving part (namely the upper gear shaft and the lower gear shaft), the available space is large, and the size of the stressed part is moderate and the reliability is high.
Drawings
FIG. 1 is a schematic view of the cam-based personnel gate drive mechanism of the present invention (with the housing partially broken away);
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a schematic perspective view of a personnel gate driving mechanism based on cam transmission according to the present invention;
fig. 5 is a schematic structural view of the hidden case of fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the personnel gate driving mechanism based on cam transmission of the invention comprises a box body 1, wherein an upper gear shaft 5 and a lower gear shaft 12 are arranged on the box body 1, both ends of the upper gear shaft 5 and the lower gear shaft 12 penetrate through the side wall of the box body 1 and extend out, the upper gear shaft 5 and the lower gear shaft 12 are matched with the box body 1 in a rotating way, an upper hand wheel 6 is arranged at one extending end of the upper gear shaft 5, and a lower hand wheel 10 is arranged at one extending end of the lower gear shaft 12. The side wall of the box body 1 is provided with a locking bolt 14 which is horizontally arranged, the top of the box body 1 is provided with a push rod 3 and an unlocking gear shaft 4 which are vertically arranged, one ends of the locking bolt 14, the push rod 3 and the unlocking gear shaft 4 are all positioned in the box body 1, the other ends of the locking bolt 14, the push rod 3 and the unlocking gear shaft 4 are all positioned outside the box body 1, and the locking bolt 14, the push rod 3 and the unlocking gear shaft 4 are in sliding fit with the box body 1. The box 1 between the upper gear shaft 5 and the lower gear shaft 12 is internally provided with a rotating shaft 18, two ends of the rotating shaft 18 are in rotary fit with the side wall of the box 1, a first cam 11, a second cam 20, a third cam 13 and a fourth cam 15 are sequentially arranged on the rotating shaft 18, the first cam 11, the second cam 20, the third cam 13 and the fourth cam 15 are all groove cams, the groove shape of the first cam 11 is identical to the groove shape of the second cam 20, the positions of the grooves of the first cam 11 and the groove shape of the second cam 20 are opposite, the groove shape of the third cam 13 is identical to the groove shape of the fourth cam 15, and the positions of the grooves of the third cam and the groove shape of the fourth cam are opposite. A first connecting shaft 19 is arranged at one end of the locking bolt 14 positioned in the box body 1, a second connecting shaft 16 is arranged at one end of the push rod 3 positioned in the box body 1, and the first connecting shaft 19 and the second connecting shaft 16 are positioned between grooves of the third cam 13 and the fourth cam 15. A rack 22 is horizontally arranged in the box body 1 corresponding to the first cam 11 and the second cam 20, the rack 22 is matched with the box body 1 in a sliding mode along the longitudinal direction of the rack 22, a third connecting shaft 21 is fixed at one end of the rack 22, the third connecting shaft 21 is positioned in a groove between the first cam 11 and the second cam 20, and a gear of the unlocking gear shaft 4 is meshed with the rack 22. The first cam 11 is a toothed cam, the upper gear shaft 5 is connected with the first cam 11 through a gear transmission mechanism, and an interlocking mechanism is arranged between the first cam 11 and the lower gear shaft 12.
The gear transmission mechanism comprises a transmission gear shaft 17, a large gear 171 and a small gear 172 are arranged on the transmission gear shaft 17, the large gear 171 is meshed with the gear of the upper gear shaft 5, and the small gear 172 is meshed with the first cam 11.
The grooves on the first cam 11 and the second cam 20 are sequentially divided into a first arc section C1 and a first gradually-opened section D1 from one end to the other end, the distances between each position on the first arc section C1 and the rotating shaft 18 are equal, the distances between the other end, connected with the first arc section C1, of the first gradually-opened section D1 and the rotating shaft 18 are gradually increased, and in a door closing state, the third connecting shaft 21 is located in the first arc section C1 end far away from the first gradually-opened section D1. The grooves on the third cam 13 and the fourth cam 15 are sequentially divided into a second arc section C2, a second gradually-opened section D2 and a third arc section C3 from one end to the other end, the distance between each position on the second arc section C2 and the rotating shaft 18 is equal, the distance between each position on the second gradually-opened section D2, which is connected with the second arc section C2, and the other end is gradually reduced, the distance between each position on the third arc section C3 and the rotating shaft 18 is equal, in a door closing state, the first connecting shaft 19 is located in one end of the second arc section C2 far away from the second gradually-opened section D2, and the second connecting shaft 16 is located at the connecting position of the second arc section C2 and the second gradually-opened section D2.
The interlocking mechanism comprises a clamping plate 9 positioned between a first cam 11 and a lower gear shaft 12, the clamping plate 9 is L-shaped, the joint of the vertical part and the transverse part of the clamping plate is hinged on a box body 1, a boss 26 is arranged on the side wall of the first cam 11, a guide block 27 is arranged in the box body 1 between the boss 26 and the clamping plate 9, a guide hole is formed in the guide block 27, a pull rod 25 is arranged in the guide hole, the upper end of the pull rod 25 is connected with the boss 26, the lower end of the pull rod 25 is hinged with the transverse part of the clamping plate 9, a reset tension spring 24 is arranged between the transverse part of the clamping plate 9 and the box body 1, a convex tooth 28 extending downwards is arranged at the bottom of one end of the transverse part of the clamping plate 9, and the position of the convex tooth 28 corresponds to the gear position of the lower gear shaft 12.
The eccentric wheel 7 is arranged in the box body 1 corresponding to the inner side of the vertical part of the clamping plate 9, and the distance from the vertical part of the clamping plate 9 to the wheel center of the eccentric wheel 7 is greater than the minimum value from the outer edge of the eccentric wheel 7 to the wheel center of the eccentric wheel and less than the maximum value from the outer edge of the eccentric wheel 7 to the wheel center of the eccentric wheel. The central shaft of the eccentric wheel 7 passes through the side wall of the box body 1 and extends out of the box body 1, the central shaft of the eccentric wheel 7 is matched with the box body 1 in a rotating way, and a knob 8 is arranged at the extending end of the central shaft of the eccentric wheel 7.
The corresponding box body 1 of the rack 22 is internally provided with a guide sleeve 23 which is horizontally arranged, one end of the rack 22 far away from the third connecting shaft 21 is positioned in the guide sleeve 23, and the rack 22 is in sliding fit with the guide sleeve 23.
The sliding sleeve 2 is arranged between the locking bolt 14 and the push rod 3 and between the push rod and the box body 1.
When the door locking device is used, the door driving mechanism based on cam transmission is mounted on a cabin panel of a door, a push rod 3 of the driving mechanism is connected with a pressure balance valve of the door, a locking bolt 14 of the driving mechanism is connected with a locking mechanism of one door of the door, an unlocking gear shaft 4 of the driving mechanism is connected with the door of the door, and a lower gear shaft 12 of the driving mechanism is connected with a driving mechanism of the other door of the door.
When the door is opened, one side of the upper hand wheel 6 is axially unlocked, the upper gear shaft 5 is driven to rotate to the unlocked side, the upper gear shaft 5 synchronously drives the first cam 11 and the rotating shaft 18 to rotate to the door opening side through the transmission gear shaft 17, the second cam 20, the third cam 13 and the fourth cam 15 are driven to rotate to the door opening side, the first connecting shaft 19 operates in a second arc section C2 between grooves of the third cam 13 and the fourth cam 15, the second connecting shaft 16 operates in a second gradually-opened section D2 between grooves of the third cam 13 and the fourth cam 15, the third connecting shaft 21 operates in a first arc section C1 between grooves of the first cam 11 and the second cam 20, the first connecting shaft 19 operates in the second arc section C2, the locking bolt 14 keeps in place, the second connecting shaft 16 operates in the second gradually-opened section D2, the second connecting shaft 16 drives the push rod 3 to move downwards to open the balance valve, the third connecting shaft 21 operates in the first arc section C1, and the unlocking gear shaft 4 keeps in place.
Continuing to rotate the upper hand wheel 6 shaft towards the unlocking side, the first connecting shaft 19 runs in a second gradual opening section D2 between grooves of the third cam 13 and the fourth cam 15, the second connecting shaft 16 runs in a third arc section C3 between grooves of the third cam 13 and the fourth cam 15, the third connecting shaft 21 continues to run in a first arc section C1 between grooves of the first cam 11 and the second cam 20, during the running of the section, the first connecting shaft 19 runs in the second gradual opening section D2, the locking bolt 14 moves inwards to unlock the corresponding personnel gate door, the second connecting shaft 16 runs in the third arc section C3, the position of the second connecting shaft 16 is unchanged, the balance valve keeps on the opening state, the third connecting shaft 21 still runs in the first arc section C1, and the unlocking gear shaft 4 keeps on position.
The upper hand wheel 6 shaft is rotated to the unlocking side continuously, the first connecting shaft 19 runs in a third arc section C3 between grooves of the third cam 13 and the fourth cam 15, the second connecting shaft 16 runs in a third arc section C3 between grooves of the third cam 13 and the fourth cam 15, the third connecting shaft 21 runs in a first gradually-opened section D1 between grooves of the first cam 11 and the second cam 20, during the running process of the section, the first connecting shaft 19 runs in the third arc section C3, the position of the locking bolt 14 is unchanged, the door of the personnel gate keeps the unlocking state, the second connecting shaft 16 runs in the third arc section C3, the position of the second connecting shaft 16 is unchanged, the balance valve keeps the opening state, the third connecting shaft 21 runs in the first gradually-opened section D1, and the rack 22 outwards moves to drive the unlocking gear shaft 4 to drive the corresponding door of the personnel gate to open.
When the door is closed, the upper hand wheel 6 is reversely rotated, and the action of the driving mechanism and the personnel gate is opposite to the action of opening the door.
The interlocking function, when the door of the personnel valve that actuating mechanism corresponds is closed, first cam 11 rotates to the one side of closing the door, and boss 26 on it pulls up pull rod 25, and pull rod 25 drives cardboard 9 and rotates for the dogtooth 28 of cardboard 9 upwards moves, leaves the gear of lower gear shaft 12, at this moment, can drive the actuating mechanism of another door in the personnel valve through rotating lower gear shaft 12, opens the door.
When the personnel valve corresponding to the driving mechanism opens the door, the first cam 11 rotates to one side of the door, the boss 26 of the first cam 11 pushes the pull rod 25 downwards, the pull rod 25 drives the clamping plate 9 to rotate, so that the convex teeth 28 of the clamping plate 9 move downwards to be meshed with the gear of the lower gear shaft 12, at the moment, the lower gear shaft 12 cannot rotate, namely the other door cannot be opened, and the interlocking function is realized.
When the interlocking needs to be canceled, the knob 8 is rotated to drive the eccentric wheel 7 to push the clamping plate 9 to rotate, so that the convex part of the clamping plate 9 moves upwards and leaves the gear of the lower gear shaft 12, and the interlocking can be canceled.
Claims (5)
1. The utility model provides a personnel gate actuating mechanism based on cam drive, including box (1), there are upper gear axle (5) and lower gear axle (12) on box (1), upper gear axle (5) and lower gear axle (12) both ends all pass box (1) lateral wall and stretch out outside, upper gear axle (5) and lower gear axle (12) are the form cooperation of rotating with box (1), there is upper hand wheel (6) on an overhanging end of upper gear axle (5), there is lower hand wheel (10) on an overhanging end of lower gear axle (12); the side wall of the box body (1) is provided with a locking bolt (14) which is horizontally arranged, the top of the box body (1) is provided with a push rod (3) and an unlocking gear shaft (4) which are vertically arranged, one ends of the locking bolt (14), the push rod (3) and the unlocking gear shaft (4) are all positioned in the box body (1), the other ends of the locking bolt (14), the push rod (3) and the unlocking gear shaft (4) are all positioned outside the box body (1), and the locking bolt (14), the push rod (3) and the unlocking gear shaft (4) are in sliding fit with the box body (1); the gear is characterized in that a rotating shaft (18) is arranged in a box body (1) between an upper gear shaft (5) and a lower gear shaft (12), two ends of the rotating shaft (18) are in rotary fit with the side wall of the box body (1), a first cam (11), a second cam (20), a third cam (13) and a fourth cam (15) are sequentially arranged on the rotating shaft (18), the first cam (11), the second cam (20), the third cam (13) and the fourth cam (15) are all groove cams, the groove shape of the first cam (11) is identical to the groove shape of the second cam (20), the grooves of the first cam and the second cam are opposite to each other, the groove shape of the third cam (13) is identical to the groove shape of the fourth cam (15), and the grooves of the third cam and the fourth cam are opposite to each other; a first connecting shaft (19) is arranged at one end of a locking bolt (14) positioned in the box body (1), a second connecting shaft (16) is arranged at one end of a push rod (3) positioned in the box body (1), and the first connecting shaft (19) and the second connecting shaft (16) are positioned between grooves of a third cam (13) and a fourth cam (15); a rack (22) horizontally arranged is arranged in the box body (1) corresponding to the first cam (11) and the second cam (20), the rack (22) is matched with the box body (1) in a sliding mode along the longitudinal direction of the rack (22), a third connecting shaft (21) is fixed at one end of the rack (22), the third connecting shaft (21) is positioned in a groove between the first cam (11) and the second cam (20), and a gear of the unlocking gear shaft (4) is meshed with the rack (22); the first cam (11) is a toothed cam, the upper gear shaft (5) is connected with the first cam (11) through a gear transmission mechanism, and an interlocking mechanism is arranged between the first cam (11) and the lower gear shaft (12); grooves on the first cam (11) and the second cam (20) are sequentially divided into a first circular arc section (C1) and a first gradually-opened section (D1) from one end to the other end, the distances between each position on the first circular arc section (C1) and the rotating shaft (18) are equal, the distances between the other end, connected with the first circular arc section (C1), of the first gradually-opened section (D1) and the rotating shaft (18) are gradually increased, and in a door closing state, the third connecting shaft (21) is positioned in one end of the first circular arc section (C1) far away from the first gradually-opened section (D1); grooves on the third cam (13) and the fourth cam (15) are sequentially divided into a second circular arc section (C2), a second gradually-opened section (D2) and a third circular arc section (C3) from one end to the other end, the distance between each position on the second circular arc section (C2) and the rotating shaft (18) is equal, the distance between the other end, connected with the second circular arc section (C2), of the second gradually-opened section (D2) and the rotating shaft (18) is gradually reduced, the distance between each position on the third circular arc section (C3) and the rotating shaft (18) is equal, and in a door closing state, a first connecting shaft (19) is positioned in one end of the second circular arc section (C2) far away from the second gradually-opened section (D2), and a second connecting shaft (16) is positioned at the connecting position between the second circular arc section (C2) and the second gradually-opened section (D2); the interlocking mechanism comprises a clamping plate (9) positioned between a first cam (11) and a lower gear shaft (12), the clamping plate (9) is L-shaped, the joint of the vertical part and the transverse part of the clamping plate is hinged to a box body (1), a boss (26) is arranged on the side wall of the first cam (11), a guide block (27) is arranged in the box body (1) between the boss (26) and the clamping plate (9), a guide hole is formed in the guide block (27), a pull rod (25) is arranged in the guide hole, the upper end of the pull rod (25) is connected with the boss (26), the lower end of the pull rod (25) is hinged to the transverse part of the clamping plate (9), a reset tension spring (24) is arranged between the transverse part of the clamping plate (9) and the box body (1), a downward protruding tooth (28) is arranged at the bottom of one end of the transverse part of the clamping plate (9), and the position of the protruding tooth (28) corresponds to the gear position of the lower gear shaft (12).
2. A cam-based personnel gate drive mechanism according to claim 1, characterised in that the gear drive mechanism comprises a drive gear shaft (17), the drive gear shaft (17) having a large gear (171) and a small gear (172), the large gear (171) being meshed with the gear of the upper gear shaft (5), the small gear (172) being meshed with the first cam (11).
3. The personnel gate driving mechanism based on cam transmission according to claim 1, wherein the eccentric wheel (7) is arranged in the box body (1) corresponding to the inner side of the vertical part of the clamping plate (9), and the distance from the vertical part of the clamping plate (9) to the wheel center of the eccentric wheel (7) is larger than the minimum value from the outer edge of the eccentric wheel (7) to the wheel center of the eccentric wheel, and smaller than the maximum value from the outer edge of the eccentric wheel (7) to the wheel center of the eccentric wheel; the central shaft of the eccentric wheel (7) penetrates through the side wall of the box body (1) and extends out of the box body (1), the central shaft of the eccentric wheel (7) is in rotary fit with the box body (1), and a knob (8) is arranged at the extending end of the central shaft of the eccentric wheel (7).
4. The personnel gate driving mechanism based on cam transmission according to claim 1, wherein a horizontally arranged guide sleeve (23) is arranged in the box body (1) corresponding to the rack (22), one end of the rack (22) far away from the third connecting shaft (21) is positioned in the guide sleeve (23), and the rack (22) is in sliding fit with the guide sleeve (23).
5. The personnel gate driving mechanism based on cam transmission according to any one of claims 1-4, wherein sliding sleeves (2) are arranged between the locking bolt (14) and the push rod (3) and the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411799.8A CN109629946B (en) | 2018-11-27 | 2018-11-27 | Personnel gate driving mechanism based on cam transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411799.8A CN109629946B (en) | 2018-11-27 | 2018-11-27 | Personnel gate driving mechanism based on cam transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109629946A CN109629946A (en) | 2019-04-16 |
| CN109629946B true CN109629946B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811411799.8A Active CN109629946B (en) | 2018-11-27 | 2018-11-27 | Personnel gate driving mechanism based on cam transmission |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1260852A (en) * | 1968-05-29 | 1972-01-19 | Atomic Energy Authority Uk | Doors with interlocking means |
| JP2000241575A (en) * | 1999-02-25 | 2000-09-08 | Tdk Corp | Door and combining device for electromagnetic wave shielding |
| KR20110102972A (en) * | 2010-03-12 | 2011-09-20 | (주)동광 | Guide structure of locker fin for blast door |
| CN102913092A (en) * | 2012-10-26 | 2013-02-06 | 大连宝原核设备有限公司 | Side transmission case for personnel airlock |
| CN103147647A (en) * | 2013-03-08 | 2013-06-12 | 大连宝原核设备有限公司 | Personnel gate transmission case based on sheave transmission |
| CN203796022U (en) * | 2014-01-27 | 2014-08-27 | 山东核电设备制造有限公司 | Door locking device of personnel air lock on containment |
| CN104153659A (en) * | 2014-07-14 | 2014-11-19 | 中国核电工程有限公司 | Personnel airlock interlocking mechanism |
| WO2015096710A1 (en) * | 2013-12-27 | 2015-07-02 | 山东核电设备制造有限公司 | Personnel airlock system and side drive apparatus thereof |
-
2018
- 2018-11-27 CN CN201811411799.8A patent/CN109629946B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1260852A (en) * | 1968-05-29 | 1972-01-19 | Atomic Energy Authority Uk | Doors with interlocking means |
| JP2000241575A (en) * | 1999-02-25 | 2000-09-08 | Tdk Corp | Door and combining device for electromagnetic wave shielding |
| KR20110102972A (en) * | 2010-03-12 | 2011-09-20 | (주)동광 | Guide structure of locker fin for blast door |
| CN102913092A (en) * | 2012-10-26 | 2013-02-06 | 大连宝原核设备有限公司 | Side transmission case for personnel airlock |
| CN103147647A (en) * | 2013-03-08 | 2013-06-12 | 大连宝原核设备有限公司 | Personnel gate transmission case based on sheave transmission |
| WO2015096710A1 (en) * | 2013-12-27 | 2015-07-02 | 山东核电设备制造有限公司 | Personnel airlock system and side drive apparatus thereof |
| CN203796022U (en) * | 2014-01-27 | 2014-08-27 | 山东核电设备制造有限公司 | Door locking device of personnel air lock on containment |
| CN104153659A (en) * | 2014-07-14 | 2014-11-19 | 中国核电工程有限公司 | Personnel airlock interlocking mechanism |
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| Publication number | Publication date |
|---|---|
| CN109629946A (en) | 2019-04-16 |
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