CN209799700U - Personnel gate driving mechanism based on cam transmission - Google Patents
Personnel gate driving mechanism based on cam transmission Download PDFInfo
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- CN209799700U CN209799700U CN201821959077.1U CN201821959077U CN209799700U CN 209799700 U CN209799700 U CN 209799700U CN 201821959077 U CN201821959077 U CN 201821959077U CN 209799700 U CN209799700 U CN 209799700U
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Abstract
The utility model relates to a nuclear power station containment system specifically says so based on cam drive's personnel gate actuating mechanism. The hand wheel transmission device 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 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 the locking bolt in the box body, and a second connecting shaft is arranged at one end of the push rod in the box body. A rack is arranged in the box body corresponding to the space between 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 the 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 is simple in structure, small in occupied space and high in reliability.
Description
Technical Field
The utility model relates to a nuclear power station containment system is used for driving personnel gate switch's personnel gate actuating mechanism based on cam drive specifically to say so.
Background
At present, the personnel gate driving mechanism of the containment vessel of the nuclear power station has two types: one is the Chinese patent with application number 201210418786X, and the other is the Chinese patent with application number 2013205664495.
The personnel gate driving mechanism disclosed in Chinese patent with application number 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. And 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 in key connection with a wheel shaft of the driven incomplete gear I, a connecting rod I is mounted on the wheel shaft, and the connecting rod I is connected with a pressure balance valve of the personnel gate. And 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. And 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 respectively drive the connecting rod I, the connecting rod II and the rack to move, and each incomplete gear needs to be matched with the wheel shaft and the transmission gear, so that the transmission case needs more parts, is complex in structure and occupies larger space.
Chinese patent application No. 2013205664495 discloses a personnel airlock driving mechanism including a driving member capable of continuous rotary motion, a valve plate member provided with a balanced 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 to the valve plate member. The valve plate component, the locking component and the rotating component are arranged around the driving component. The valve plate part, the locking part and the rotating part in the driving mechanism need to be arranged around the driving part, so that the available space is small, the structural size of the stress part is small, and the reliability is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a personnel gate actuating mechanism based on cam drive, this actuating mechanism's simple structure, the space that occupies are less, and the reliability is stronger.
In order to solve the problems, the following technical scheme is provided:
the utility model discloses a personnel gate actuating mechanism based on cam drive includes the box, has last gear shaft and lower gear shaft on the box, goes up the both ends of gear shaft and lower gear shaft and all passes the box lateral wall and stretch out outside, goes up all to be the rotation form cooperation between gear shaft and lower gear shaft and box, goes up an overhanging hand wheel that serves of gear shaft, and an overhanging serving of lower gear shaft has lower hand wheel. The lateral wall of box has the locking bolt of horizontal arrangement, and there are vertical arrangement's push rod and the gear shaft of unblanking at the top of box, and the one end of locking bolt, push rod and the gear shaft of unblanking all is located the box, and the other end all is located outside the box, and all is the sliding fit between locking bolt, push rod and the gear shaft of unblanking and box. The novel gear box is characterized in that a rotating shaft is arranged in the box body between the upper gear shaft and the lower gear shaft, two ends of the rotating shaft are in rotating 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 all groove cams, the groove shape of the first cam is the same as that of the second cam, the positions of the grooves of the first cam and the second cam are opposite, the groove shape of the third cam is the same as that of the fourth cam, and the positions of the grooves of the third cam and the fourth cam are opposite. A first connecting shaft is arranged at one end of the locking bolt in the box body, a second connecting shaft is arranged at one end of the push rod in the box body, and the first connecting shaft and the second connecting shaft are both arranged between grooves of the third cam and the fourth cam. A rack which is horizontally arranged is arranged in the corresponding box body between the first cam and the second cam, the rack is matched with the box body in a longitudinal sliding mode along the rack, a third connecting shaft is fixed at one end of the rack and is positioned in a groove between the first cam and the second cam, and 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 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-opening section from one end to the other end of the first cam, the distance between each position on the first arc section and the rotating shaft is equal, the distance between the first gradually-opening section and the rotating shaft is gradually increased from one end, connected with the first arc section, of the first gradually-opening section to the other end, and the third connecting shaft is located in one end of the first arc section far away from the first gradually-opening section in a door closing state. The groove on the third cam and the fourth cam is sequentially divided into a second arc section, a second gradually-opening section and a third arc section from one end to the other end of the groove, the distance between each position on the second arc section and the rotating shaft is equal, the distance between each position on the second gradually-opening section and the rotating shaft from one end, connected with the second arc section, of the groove to the other end of the groove gradually decreases, the distance between each position on the third arc section and the rotating shaft is equal, the first connecting shaft is located in one end of the second arc section far away from the second gradually-opening section in a door closing state, and the second connecting shaft is located at the connecting position of the second arc section and the second gradually-opening section.
Interlocking mechanism is including the cardboard that is located between first cam and lower gear shaft, and this cardboard is L shape, and its junction of perpendicular portion and lateral part articulates on the box, there is the boss on the lateral wall of first cam, and there is the guide block in the box between boss and cardboard, has the guiding hole on the guide block, has the pull rod in the guiding hole, and the upper end of pull rod links to each other with the boss, and the lower extreme of pull rod is together articulated with the lateral part of cardboard, has the extension spring that resets between the lateral part of cardboard and box, and the bottom of cardboard lateral part one end has the dogtooth that stretches out downwards, and the position of dogtooth corresponds with the gear position of lower gear shaft.
An eccentric wheel is arranged in a box body corresponding to the inner side of the vertical part of the clamping plate, 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 in rotating fit with the box body, and a knob is arranged at the extending end of the central shaft of the eccentric wheel.
A horizontally arranged guide sleeve is arranged in the box body corresponding to the rack, one end of the rack far away from the third connecting shaft is positioned in the guide sleeve, and the rack is in sliding fit with the guide sleeve.
Sliding sleeves are arranged between the locking bolt, the push rod and the box body.
by adopting the scheme, the method has the following advantages:
Because the utility model discloses a there is the pivot in the box between cam drive's personnel gate actuating mechanism's gear shaft and lower gear shaft, first cam has set gradually in the pivot, the second cam, third cam and fourth cam, it has first connecting axle to be located locking bolt one end in the box, it has the second connecting axle to be located the push rod one end in the box, first connecting axle and second connecting axle all are located between the recess of third cam and fourth cam, there is the rack in the box that corresponds between first cam and second cam, rack one end is fixed with the third connecting axle, the third connecting axle is located the recess between first cam and second cam, the wheel and rack mesh of the gear shaft of unblanking, first cam is for taking the tooth cam, it is continuous with first cam to go up the gear shaft through gear drive, there is interlocking mechanism between first cam and 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, so that the locking bolt, the push rod and the unlocking gear shaft are driven to move to unlock or lock. 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 occupied space is reduced. In addition, 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), and the available space is large, so that the stress part is moderate in size and high in reliability.
Drawings
FIG. 1 is a schematic structural view (with a box partially cut away) of a cam-drive-based personnel lock gate driving mechanism of the present invention;
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 fig. 4 after the box body is hidden.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 ~ 5, a personnel gate driving mechanism based on cam transmission of the present invention includes a box 1, a box 1 has an upper gear shaft 5 and a lower gear shaft 12, both ends of the upper gear shaft 5 and the lower gear shaft 12 pass through the side wall of the box 1 and extend outside, the upper gear shaft 5 and the lower gear shaft 12 are rotatably engaged with the box 1, an upper hand wheel 6 is disposed at an extended end of the upper gear shaft 5, a lower hand wheel 10 is disposed at an extended end of the lower gear shaft 12, a horizontally disposed locking pin 14 is disposed at the side wall of the box 1, a vertically disposed push rod 3 and an unlocking gear shaft 4 are disposed at the top of the box 1, one ends of the locking pin 14, the push rod 3 and the unlocking gear shaft 4 are disposed in the box 1, the other ends are disposed outside the box 1, and the locking pin 14, the push rod 3 and the unlocking gear shaft 4 are slidably engaged with the box 1, a rotating shaft 18 is disposed in the box 1 between the upper gear shaft 5 and the lower gear shaft 12, both ends of the rotating shaft 18 are rotatably engaged with the side wall of the box 1, a first cam groove 20, a third cam groove 20 is disposed in the upper cam groove 15, a third cam groove 15 and a cam groove 15, a cam groove 15 are disposed in the same shape as the cam groove 15, a cam groove 15 is disposed in the cam groove 15, a cam groove 16 and a cam groove 15, a cam groove 16 disposed in the cam groove 15, a cam groove 16 disposed in the cam groove 15 and a cam groove 15, a cam groove 15 disposed in the cam groove 15, a cam groove 16 disposed in the cam groove 15, a cam groove 15 and a cam groove 15, a cam groove 15 disposed in the cam groove 15, a cam groove disposed between the cam groove 15, a cam groove 15 and a cam groove 15.
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 a gear of the upper gear shaft 5, and the small gear 172 is meshed with the first cam 11.
The first cam 11 and the second cam 20 are respectively divided into a first arc section C1 and a first gradually-opening section D1 from one end to the other end, the distances between the positions on the first arc section C1 and the rotating shaft 18 are equal, the distance between the first gradually-opening section D1 and the rotating shaft 18 from one end connected with the first arc section C1 to the other end is gradually increased, and the third connecting shaft 21 is located in one end of the first arc section C1 far away from the first gradually-opening section D1 in a door closing state. The grooves on the third cam 13 and the fourth cam 15 are sequentially divided into a second arc segment C2, a second gradually-opening segment D2 and a third arc segment C3 from one end to the other end, the distances between the positions on the second arc segment C2 and the rotating shaft 18 are equal, the distance between the position on the second gradually-opening segment D2 and the rotating shaft 18 from one end, connected with the second arc segment C2, to the other end is gradually reduced, the distances between the positions on the third arc segment C3 and the rotating shaft 18 are equal, in a door-closing state, the first connecting shaft 19 is located in the end, far away from the second gradually-opening segment D2, of the second arc segment C2, and the second connecting shaft 16 is located at the connection position of the second arc segment C2 and the second gradually-opening segment D2.
Interlocking mechanism is including the cardboard 9 that is located between first cam 11 and lower gear shaft 12, and this cardboard 9 is L shape, and its vertical portion articulates on box 1 with the junction of lateral part, there is boss 26 on the lateral wall of first cam 11, has guide block 27 in the box 1 between boss 26 and cardboard 9, has the guiding hole on the guide block 27, has pull rod 25 in the guiding hole, the upper end of pull rod 25 links to each other with boss 26, the lower extreme of pull rod 25 is together articulated with the lateral part of cardboard 9, has the extension spring that resets 24 between the lateral part of cardboard 9 and box 1, and the bottom of cardboard 9 lateral part one end has the dogtooth 28 that stretches out downwards, and the position of dogtooth 28 corresponds with the gear position of lower gear shaft 12.
an 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 thereof and less than the maximum value from the outer edge of the eccentric wheel 7 to the wheel center thereof. 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 rotating 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.
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.
And sliding sleeves 2 are respectively arranged between the locking bolt 14 and the push rod 3 and the box body 1.
When the personnel gate driving mechanism based on cam transmission is used, the personnel gate driving mechanism based on cam transmission is installed on a cabin panel of a personnel gate, a push rod 3 of the driving mechanism is connected with a pressure balance valve of the personnel gate, a locking bolt 14 of the driving mechanism is connected with a locking mechanism of one door of the personnel gate, an unlocking gear shaft 4 of the driving mechanism is connected with the door of the personnel gate, and a lower gear shaft 12 of the driving mechanism is connected with a driving mechanism of the other door of the personnel gate.
When the door is opened, the upper hand wheel 6 is rotated towards the unlocked side to drive the upper gear shaft 5 to rotate towards the unlocked side, the upper gear shaft 5 synchronously drives the first cam 11 and the rotating shaft 18 to rotate towards the door-opening side through the transmission gear shaft 17 to drive the second cam 20, the third cam 13 and the fourth cam 15 to rotate towards the door-opening side, the first connecting shaft 19 runs in a second arc section C2 between grooves of the third cam 13 and the fourth cam 15, the second connecting shaft 16 runs in a second gradually-opening section D2 between grooves of the third cam 13 and the fourth cam 15, the third connecting shaft 21 runs in a first arc section C1 between the grooves of the first cam 11 and the second cam 20, during the running period, the first connecting shaft 19 runs in a second arc section C2, the locking bolt 14 is kept in the original position, the second connecting shaft 16 runs in a second gradually-opening section D2, and the second connecting shaft 16 drives the push rod 3 to move downwards to open the balance valve, the third connecting shaft 21 runs in the first circular arc section C1, and the unlock gear shaft 4 remains in place.
The upper hand wheel 6 shaft is rotated to one unlocking side continuously, the first connecting shaft 19 runs in a second gradually-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 the 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 the grooves of the first cam 11 and the second cam 20, in the running process of the section, the first connecting shaft 19 runs in the second gradually-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 is kept in an opening state, the third connecting shaft 21 still runs in the first arc section C1, and the unlocking gear shaft 4 is kept in a home position.
The upper hand wheel 6 shaft is rotated to one 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-opening section D1 between grooves of the first cam 11 and the second cam 20, in 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 lock gate is kept in an 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 is kept in an opening state, the third connecting shaft 21 runs in the first gradually-opening section D1, and the rack 22 moves outwards to drive the unlocking gear shaft 4 to drive the corresponding door of the personnel lock gate to be opened.
When the door is closed, the upper hand wheel 6 is rotated reversely, and the actions of the driving mechanism and the personnel gate are opposite to the action of opening the door.
The interlocking function, when the personnel valve that actuating mechanism corresponds was closed the door, first cam 11 rotated to the one side of closing the door, and the boss 26 on it was upwards pulled up pull rod 25, and pull rod 25 drives cardboard 9 and rotates for the dogtooth 28 upward movement of cardboard 9 leaves the gear of lower gear shaft 12, and 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 that actuating mechanism corresponds opens the door, first cam 11 rotates to the one side of opening the door, and pull rod 25 is promoted downwards with the boss 26 of first cam 11, and pull rod 25 drives cardboard 9 and rotates for the dogtooth 28 of cardboard 9 downstream meshes with the gear of lower gear shaft 12 mutually, and at this moment, lower gear shaft 12 can't rotate, and another door can't be opened promptly, realizes the interlocking function.
When the interlocking is required to be cancelled, the knob 8 is rotated to drive the eccentric wheel 7 to push the clamping plate 9 to rotate, so that the protrusion of the clamping plate 9 moves upwards to leave the gear of the lower gear shaft 12, and the interlocking can be cancelled.
Claims (7)
1. A personnel gate driving mechanism based on cam transmission comprises a box body (1), wherein an upper gear shaft (5) and a lower gear shaft (12) are arranged on the box body (1), two ends of the upper gear shaft (5) and two ends of the lower gear shaft (12) penetrate through the side wall of the box body (1) and extend out of the box body, the upper gear shaft (5) and the lower gear shaft (12) are in rotating fit with the box body (1), an extending end of the upper gear shaft (5) is provided with an upper hand wheel (6), and an extending end of the lower gear shaft (12) is provided with a lower hand wheel (10); 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 end of the locking bolt (14), one end of the push rod (3) and one end of the unlocking gear shaft (4) are all positioned in the box body (1), the other end of the locking bolt is 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 box 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 rotating 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 groove cams, the groove shape of the first cam (11) is the same as that of the second cam (20), the positions of the grooves of the first cam and the second cam are opposite, the groove shape of the third cam (13) is the same as that of the fourth cam (15), and the positions of the grooves of the third cam and the fourth cam are opposite; 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 both positioned between grooves of a third cam (13) and a fourth cam (15); a rack (22) which is horizontally arranged is arranged in the corresponding box body (1) between the first cam (11) and the second cam (20), the rack (22) is matched with the box body (1) in a longitudinal sliding manner along the rack (22), one end of the rack (22) is fixedly provided with a third connecting shaft (21), 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).
2. People gate drive based on cam drive according to claim 1, characterized in that the gear drive comprises a drive gear shaft (17), the drive gear shaft (17) having a gearwheel (171) and a pinion (172), the gearwheel (171) engaging with a gearwheel of the upper gear shaft (5), and the pinion (172) engaging with the first cam (11).
3. The personnel gate driving mechanism based on cam transmission according to claim 1, characterized in that the grooves on the first cam (11) and the second cam (20) are divided into a first arc section (C1) and a first gradually-opening section (D1) in sequence from one end to the other end thereof, the distance between each position on the first arc section (C1) and the rotating shaft (18) is equal, the distance between the first gradually-opening section (D1) and the rotating shaft (18) is gradually increased from the end thereof connected with the first arc section (C1) to the other end thereof, and the third connecting shaft (21) is positioned in the end of the first arc section (C1) far from the first gradually-opening section (D1) in the door-closed state; the grooves in the third cam (13) and the fourth cam (15) are sequentially divided into a second arc section (C2), a second gradually-opening section (D2) and a third arc section (C3) from one end to the other end of the grooves, the distances between each position on the second arc section (C2) and the rotating shaft (18) are equal, the distances between each position on the third arc section (C3) and the rotating shaft (18) are gradually reduced from one end, connected with the second arc section (C2), of the second gradually-opening section (D2), the distances between each position on the third arc section (C3) and the rotating shaft (18) are equal, in a door closing state, the first connecting shaft (19) is located at one end of the second arc section (C2) far away from the second gradually-opening section (D2), and the second connecting shaft (16) is located at the connecting position of the second arc section (C2) and the second gradually-opening section (D2).
4. People gate drive based on a cam drive according to claim 1, characterized in that the interlocking means comprise a catch plate (9) between the first cam (11) and the lower gear shaft (12), the clamping plate (9) is L-shaped, the joint of the vertical part and the transverse part is hinged on the box body (1), there is boss (26) on the lateral wall of first cam (11), there are guide block (27) in box (1) between boss (26) and cardboard (9), there is the guiding hole on guide block (27), there is pull rod (25) in the guiding hole, the upper end and boss (26) of pull rod (25) link to each other, the lower extreme of pull rod (25) is together articulated with the horizontal part of cardboard (9), there is extension spring (24) that resets between the horizontal part of cardboard (9) and box (1), there is dogtooth (28) that stretch out downwards bottom of cardboard (9) horizontal part one end, the position of dogtooth (28) corresponds with the gear position of lower gear shaft (12).
5. People gate drive based on cam drive according to claim 4, characterized in that inside the corresponding box (1) inside the vertical part of the catch plate (9) there is an eccentric (7), the distance from the vertical part of the catch plate (9) to the center of the eccentric (7) is larger than the minimum value from the outer edge of the eccentric (7) to its center of the wheel, and smaller than the maximum value from the outer edge of the eccentric (7) to its center of the 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 rotating 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).
6. People gate drive mechanism based on cam drive according to claim 1, characterized in that a horizontally arranged guide sleeve (23) is arranged in the box (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).
7. people gate drive based on cam drive according to claim 1 ~ 6, characterized in that the locking bolt (14) and the push rod (3) are provided with a sliding sleeve (2) with respect to the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821959077.1U CN209799700U (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 |
|---|---|---|---|
| CN201821959077.1U CN209799700U (en) | 2018-11-27 | 2018-11-27 | Personnel gate driving mechanism based on cam transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209799700U true CN209799700U (en) | 2019-12-17 |
Family
ID=68816739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821959077.1U Active CN209799700U (en) | 2018-11-27 | 2018-11-27 | Personnel gate driving mechanism based on cam transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209799700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005949A (en) * | 2021-03-30 | 2021-06-22 | 李想 | Gate capable of limiting passing frequency and number of people |
-
2018
- 2018-11-27 CN CN201821959077.1U patent/CN209799700U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005949A (en) * | 2021-03-30 | 2021-06-22 | 李想 | Gate capable of limiting passing frequency and number of people |
| CN113005949B (en) * | 2021-03-30 | 2022-05-27 | 南京启缘星信息科技有限公司 | Gate capable of limiting passing frequency and number of people |
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