CN211503832U - High-reliability electric bolt opening structure based on position detection - Google Patents
High-reliability electric bolt opening structure based on position detection Download PDFInfo
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- CN211503832U CN211503832U CN201922265312.6U CN201922265312U CN211503832U CN 211503832 U CN211503832 U CN 211503832U CN 201922265312 U CN201922265312 U CN 201922265312U CN 211503832 U CN211503832 U CN 211503832U
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- unbolting
- position detection
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- bolt opening
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Abstract
The utility model relates to an electronic unbolting structure of high reliability based on position detection relates to conventional weapon technical field, concretely relates to electronic unbolting structure of high reliability based on position detection, including unbolting structure shell and the motor of setting in unbolting structure shell, the motor has ball through reduction gear connection, and threaded connection has the unbolting slider on the ball, and the ball both ends are provided with spacing sensor, be connected with the position detection device who is used for real-time detection unbolting slider shift position on the reduction gear, the position detection device is fixed to be set up in unbolting structure shell. The utility model discloses simple structure, convenient to use utilizes the position detection device that the slider shift position was tied in real-time detection to detect the real-time position of tying the slider, and then can accomplish more accurate control to the motor, under the condition of guaranteeing the time of tying from this, has avoided the overshoot of tying the in-process, high-speed striking scheduling problem.
Description
Technical Field
The utility model relates to a conventional weapon technical field, concretely relates to electronic unbolting structure of high reliability based on position detects.
Background
Along with the development of gun additionally provided with an automatic technical product, the electric bolt opening mode of the gun has various forms at present, and the realization method is basically the same, namely the mode of additionally arranging limit sensors at two ends through a motor, a speed reducer, a ball screw, a bolt opening sliding block and a ball screw is realized. This way, a powered opening of the firearm can be achieved, but there are many uncertainties. The more prominent problems are the following: 1. the current real-time position of the unbolting slide block cannot be known; 2. when the motor drives the unbolting slide block to reach the position of the limiting sensors at two ends at a high speed through the ball screw, phenomena of overshoot, high-speed impact, locked rotor and the like are easily generated, and the unreliable problems of frequent faults, structural part damage, motor burnout and the like occur; 3. in order to avoid problems of overshoot, high-speed impact and the like, low-speed operation is generally adopted, but the bolt opening time is prolonged; if the high-speed operation is firstly adopted, and the speed is reduced when the position is limited, the mode is easy to cause problems when the initial position of the bolt opening sliding block is uncertain; 4. the failure alarm judgment time is long: if a fault occurs in the bolt opening process, the fault state cannot be obtained in time, generally through manual judgment, namely the bolt opening is not successful after the time required by normal bolt opening is exceeded, the fault state is obtained through manual or overtime automatic alarm, and the processing modes are not timely.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an electronic structure of opening of high reliability based on position detection, the utility model discloses with low costs, the volume that increases from this can neglect, and simultaneous control is simple, has both solved above-mentioned problem, and is simple and reliable again, also can not lead to control to complicate simultaneously. The utility model discloses the position detection part that adopts is the potentiometer, and relative other position detection parts have characteristics such as with low costs, small, closed-loop control is simple.
The utility model relates to an electronic unbolting structure of high reliability based on position detection, including unbolting structure shell and the motor of setting in unbolting structure shell, the motor has ball through reduction gear connection, and threaded connection has the unbolting slider on the ball, and the ball both ends are provided with spacing sensor, be connected with the position detection device who is used for real-time detection unbolting slider shift position on the reduction gear, the position detection device is fixed to be set up in unbolting structure shell.
Preferably, the position detection device comprises a multi-ring potentiometer, a potentiometer shaft is connected to the potentiometer in a rotating mode and is connected with the speed reducer through a connecting device, when the speed reducer drives the potentiometer shaft to rotate through the connecting device, the potentiometer outputs an electric signal changing in real time, and the potentiometer is fixedly connected with the bolt opening structure shell.
Preferably, the coupling means comprise a primary transfer gear meshing with a final reduction gear on the reducer, and an intermediate gear and a crown gear, the primary transfer gear being connected to the crown gear by means of the intermediate gear; the crown gear is sleeved on the potentiometer shaft, and the primary transmission gear and the intermediate gear are both connected with the bolt structure shell.
Preferably, the crown gear is sleeved on the potentiometer shaft, and the crown gear is in interference fit with the potentiometer shaft.
Preferably, the intermediate gear is a large gear and a small gear which are integrated and are coaxially arranged, the number of teeth of small gears on the intermediate gear is different, the small gears of the intermediate gear are meshed with the crown gear, and the large gears of the intermediate gear are meshed with the primary transmission gear.
The method adopts a high-reliability electric bolt opening structure based on position detection to detect the specific position of a bolt opening sliding block in a bolt opening stroke in real time, and comprises the following steps: the potentiometer shaft is connected with the speed reducer through a connecting device, the speed reducer drives the potentiometer shaft to rotate, the moving position of the unbolting slide block is obtained according to an electric signal output by the potentiometer, and the real-time position detection of the unbolting slide block is realized.
The method for obtaining the moving position of the bolt opening slide block through the electric signal output by the potentiometer comprises the following specific steps: after the potentiometer measuring range and the unbolting stroke are matched through the connecting device, the unbolting stroke and the potentiometer measuring range form a linear proportional relation, and after the speed reducer drives the unbolting slide block to move through the ball screw, the speed reducer drives the potentiometer shaft to rotate through the connecting device, so that the potentiometer outputs an electric signal which changes in real time, and the real-time position of the unbolting slide block in the unbolting stroke can be correspondingly obtained.
The utility model discloses simple structure, convenient to use utilizes the position detection device that the slider shift position was tied in real-time detection to detect the real-time position of tying the slider, and then can accomplish more accurate control to the motor, under the condition of guaranteeing the time of tying from this, has avoided the overshoot of tying the in-process, high-speed striking scheduling problem.
The utility model discloses the position detection part that adopts is the potentiometer, and relative other position detection parts have characteristics such as with low costs, small, closed-loop control is simple.
Drawings
Fig. 1 is a schematic view of the bolt opening structure.
Fig. 2 is a schematic view of a position detecting device.
Fig. 3 is a diagram showing a structure of a control circuit.
Reference numerals: 1-bolt opening structure shell, 2-motor, 3-ball screw, 4-bolt opening slide block, 5-speed reducer, 6-limit sensor, 7-primary transmission gear, 8-intermediate gear, 9-crown gear, 10-potentiometer shaft, 11-potentiometer, 12-electrical interface and 13-position detection device.
Detailed Description
The utility model relates to an electronic unbolting structure of high reliability based on position detection, including unbolting structure shell 1 and the motor 2 of setting in unbolting structure shell 1, motor 2 is connected with ball 3 through reduction gear 5, and threaded connection has unbolting slider 4 on ball 3, and ball 3 both ends are provided with spacing sensor 6, be connected with the position detection device 13 that is used for real-time detection unbolting slider 4 shift position on reduction gear 5, position detection device 13 is fixed to be set up in unbolting structure shell 1.
The position detection device 13 comprises a multi-ring potentiometer 11, a potentiometer shaft 10 is connected to the potentiometer 11 in a rotating mode, the potentiometer shaft 10 is connected with the speed reducer 5 through a connecting device, when the speed reducer 5 drives the potentiometer shaft 10 to rotate through the connecting device, the potentiometer 11 outputs an electric signal which changes in real time, and the potentiometer 11 is fixedly connected with the bolt opening structure shell 1.
The connecting device comprises a primary transmission gear 7, an intermediate gear 8 and a crown gear 9, wherein the primary transmission gear 7 is meshed with a final reduction gear on the speed reducer 5, and the primary transmission gear 7 is connected with the crown gear 9 through the intermediate gear 8; the crown gear 9 is sleeved on the potentiometer shaft 10, and the primary transmission gear 7 and the intermediate gear 8 are both connected with the bolt opening structure shell 1.
The crown gear 9 is sleeved on the potentiometer shaft 10, and the crown gear 9 is in interference fit with the potentiometer shaft 10.
The intermediate gear 8 is a big gear and a small gear which are integrated and are coaxially arranged, the number of teeth of the small gear on the intermediate gear 8 is different, the small gear of the intermediate gear 8 is meshed with the crown gear 9, and the big gear of the intermediate gear 8 is meshed with the primary transmission gear 7.
A high-reliability electric bolt opening method based on position detection adopts a high-reliability electric bolt opening structure based on position detection to detect the specific position of a bolt opening sliding block 4 in a bolt opening stroke in real time, and comprises the following specific steps: the potentiometer shaft 10 is connected with the speed reducer 5 through a connecting device, the speed reducer 5 drives the potentiometer shaft 10 to rotate, the moving position of the unbolting slide block 4 is obtained according to an electric signal output by the potentiometer 11, and the real-time position detection of the unbolting slide block 4 is realized.
The method for obtaining the moving position of the bolt opening slide block 4 by the electric signal output by the potentiometer 11 is as follows: after the range of the potentiometer 11 is matched with the unbolting stroke through the connecting device, the unbolting stroke and the range of the potentiometer 11 form a linear proportional relationship, and after the speed reducer 5 drives the unbolting slide block 4 to move through the ball screw 3, the speed reducer 5 drives the potentiometer shaft 10 to rotate through the connecting device, so that the potentiometer 11 outputs an electric signal which changes in real time, and the real-time position of the unbolting slide block 4 in the unbolting stroke can be correspondingly obtained.
The utility model discloses simple structure, convenient to use utilizes position detection device 13 of 4 shift positions of real-time detection unbolting slider to detect the real-time position of unbolting slider 4, and then can accomplish more accurate control to motor 2, under the condition of guaranteeing unbolting time, has avoided unbolting in-process overshoot, high-speed striking scheduling problem from this.
The utility model discloses the position detection part that adopts is potentiometre 11, and relative other position detection parts have characteristics such as with low costs, small, closed-loop control is simple.
The process of opening the suppository is as follows: the utility model resolves the unbolting command through the control circuit as shown in fig. 3 according to the unbolting command received by the electrical interface 12, monitors and controls the unbolting process in a whole-course closed loop manner, controls the operation of the motor 2, and drives the ball screw 3 to rotate after the motor 2 is decelerated by the reducer 5; the ball screw 3 rotates to drive the bolt opening sliding block 4 to move, and the bolt opening sliding block 4 is connected with the gun bolt pulling mechanism, so that the gun bolt pulling mechanism is driven to move, and the gun bolt pulling mechanism is driven to be pulled from the front end of the gun to the rear end of the gun. After the gun pulls the bolt in place, the bolt opening structure drives the bolt opening sliding block 4 to return to the front end initial position, and the whole bolt opening process is finished. Wherein, the detected block of the limit sensor 6 is fixedly connected with the unbolting slide block 4 and moves on the ball screw 3 along with the unbolting slide block 4, and when the fixed block of the front or rear limit sensor 6 is reached, the limit sensor 6 can detect that the unbolting slide block 4 is in place, thereby controlling the motor 2 to stop rotating. The gear set in the position detection device 13 is mainly used for matching the bolt opening stroke with the number of turns of the potentiometer 11; the potentiometer 11 is a multi-ring potentiometer and is matched with the range of the potentiometer 11 and the unbolting stroke through a gear set, so that the position of the unbolting slide block 4 in the whole unbolting stroke can be known in real time according to an electric signal for detecting the change of the potentiometer 11, more accurate control can be achieved on the motor 2, and the problems of overshoot, high-speed impact and the like in the unbolting process are avoided under the condition of ensuring unbolting time.
The position of the bolt opening sliding block 4 in the whole bolt opening stroke can be obtained according to the existing control circuit based on the electric signal of the potentiometer 11 which changes in real time; the control circuit is shown in fig. 3, in one embodiment, the selected potentiometer 11 has 10 turns and 10K resistance, and the power supply applied to the two ends of the potentiometer 11 is DC5V power supply; an ADC acquisition chip adopts a singlechip to integrate an ADC therein, and the acquisition signal range is 0-3.3V; the signal conditioning adopts the operational amplifier to condition the adaptation to input signal and ADC acquisition signal scope, in this embodiment, conditions the 0 ~ 5V signal of potentiometer 11 into 0 ~ 2.5V in the ADC requirement scope and carries out real-time acquisition.
After the range of the potentiometer 11 is matched with the unbolting stroke through a gear set in the position detection device 13, the unbolting stroke forms a linear proportional relation with the range of the potentiometer 11, and after a real-time electric signal of the potentiometer 11 is acquired, the real-time position of the unbolting slide block 4 in the unbolting stroke can be correspondingly obtained.
The singlechip detects the electric signal of the potentiometer 11 in real time, corresponds to the real-time position of the bolt opening sliding block 4 through the linear proportional relation determined by design, and transmits the electric signal to the control end through the electric interface 12 in an RS422 communication mode, so that the control end can conveniently and accurately control the operation of the motor 2 according to the real-time position of the bolt opening sliding block 4, the motor 2 is ensured to operate at the optimal rotating speed to ensure the shortest bolt opening time, and the problems of overshoot, high-speed impact and the like in the bolt opening process are avoided.
The utility model discloses simple structure, convenient to use utilizes position detection device 13 of 4 shift positions of real-time detection unbolting slider to detect the real-time position of unbolting slider 4, and then can accomplish more accurate control to motor 2, under the condition of guaranteeing unbolting time, has avoided unbolting in-process overshoot, high-speed striking scheduling problem from this.
The utility model discloses the position detection part that adopts is potentiometre 11, and relative other position detection parts have characteristics such as with low costs, small, closed-loop control is simple.
Claims (5)
1. The utility model provides an electronic unbolting structure of high reliability based on position detection, includes unbolting structure shell (1) and sets up motor (2) in unbolting structure shell (1), and motor (2) are connected with ball (3) through reduction gear (5), and threaded connection has unbolting slider (4) on ball (3), and ball (3) both ends are provided with spacing sensor (6), its characterized in that, be connected with position detection device (13) that are used for real-time detection unbolting slider (4) shift position on reduction gear (5), position detection device (13) are fixed to be set up in unbolting structure shell (1).
2. A highly reliable electric bolt opening structure based on position detection as claimed in claim 1, characterized in that the position detection device (13) comprises a multi-ring type potentiometer (11), a potentiometer shaft (10) is rotatably connected to the potentiometer (11), the potentiometer shaft (10) is connected to the speed reducer (5) through a connecting device, when the speed reducer (5) drives the potentiometer shaft (10) to rotate through the connecting device, the potentiometer (11) outputs a real-time changing electric signal, and the potentiometer (11) is fixedly connected to the bolt opening structure housing (1).
3. A highly reliable electric bolt opening structure based on position detection according to claim 2, characterized in that the connecting means comprises a primary transmission gear (7) and an intermediate gear (8) and a crown gear (9), the primary transmission gear (7) is engaged with a final reduction gear on the reducer (5), the primary transmission gear (7) is connected with the crown gear (9) through the intermediate gear (8); the crown gear (9) is sleeved on the potentiometer shaft (10), and the primary transmission gear (7) and the intermediate gear (8) are both connected with the bolt opening structure shell (1).
4. A highly reliable electric bolt opening structure based on position detection according to claim 3, characterized in that the crown wheel (9) is interference fitted with the potentiometer shaft (10).
5. A position detection-based high-reliability electric bolt opening structure according to claim 4, characterized in that the intermediate gear (8) is a big and small gear integrated gear and is coaxially arranged, the number of teeth of the small gear on the intermediate gear (8) is different, the small gear of the intermediate gear (8) is meshed with the crown gear (9), and the big gear of the intermediate gear (8) is meshed with the primary transmission gear (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922265312.6U CN211503832U (en) | 2019-12-17 | 2019-12-17 | High-reliability electric bolt opening structure based on position detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922265312.6U CN211503832U (en) | 2019-12-17 | 2019-12-17 | High-reliability electric bolt opening structure based on position detection |
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| CN211503832U true CN211503832U (en) | 2020-09-15 |
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| CN201922265312.6U Active CN211503832U (en) | 2019-12-17 | 2019-12-17 | High-reliability electric bolt opening structure based on position detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986666A (en) * | 2019-12-17 | 2020-04-10 | 西安奇维科技有限公司 | High-reliability electric bolt opening structure based on position detection and method thereof |
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2019
- 2019-12-17 CN CN201922265312.6U patent/CN211503832U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986666A (en) * | 2019-12-17 | 2020-04-10 | 西安奇维科技有限公司 | High-reliability electric bolt opening structure based on position detection and method thereof |
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