CN211824974U - Damping measurer - Google Patents
Damping measurer Download PDFInfo
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- CN211824974U CN211824974U CN202020181674.7U CN202020181674U CN211824974U CN 211824974 U CN211824974 U CN 211824974U CN 202020181674 U CN202020181674 U CN 202020181674U CN 211824974 U CN211824974 U CN 211824974U
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- damping
- turntable
- rotating shaft
- pull rope
- measurer
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Abstract
The utility model discloses a damping measurer, which comprises a mounting rack, an electric cabinet, a turntable, a pull rope and a weight assembly; the pull rope is wound in the groove on the side wall of the turntable and penetrates through the highest point of the turntable, one end of the pull rope is fixed on the turntable, and the other end of the pull rope is fixed with the weight assembly; the rotary table is rotatably connected to the front surface of the mounting frame through a rotating shaft, a damping seat is arranged on the mounting frame, and the measured damping penetrates through the damping seat, is embedded into the rotating shaft in the axial direction and is limited with the rotating shaft in the circumferential direction; the method is characterized in that: an angle sensor is arranged on the back of the mounting rack, the angle sensor is coaxially fixed with the rotating shaft, and the angle sensor is connected with a main controller in the electric cabinet; the top of carousel is equipped with the locating pin, the locating pin passes carousel and mounting bracket and stretches out to the back of mounting bracket. The damping measurer adopts the angle sensor to detect the starting force check and the damping time measurement of the damper, and has the advantages of simple structure and good reliability.
Description
Technical Field
The utility model relates to a test equipment technical field specifically says to a damping caliber.
Background
At present, a damping time measuring device of a hydraulic damper is disclosed, which comprises a pulley block, a mounting frame, a stress application disc, an electric lock mechanism, a timing mechanism and a force application component; the pulley block is installed on the mounting bracket, the stressing plate is rotatably installed on the mounting bracket, the timing mechanism is installed on the mounting bracket, the rotation of the stressing plate is controlled through the on-off of the timing mechanism, and the force application component applies tension to the stressing plate through the pulley block. The thrust augmentation dish includes: a disc body with salient points, a hook and a third shaft sleeve; the electric lock mechanism includes: the lock comprises an electromagnet, a joint, a pin shaft, a cylindrical lock, a lock nut, an elastic washer, a lock body, a lock spring and a lock shaft; the timing mechanism includes: the device comprises a contact shaft, a contact base, a spring, a timing nut, a micro switch, a bracket and an electric stopwatch; the force application assembly comprises: nylon ropes, weight plates and weights; the damper is arranged on the mounting frame, and the stress application disc is arranged on a shaft of the damper; the weight tray and the weights are connected with the hooks through nylon ropes, and the direction of the weight tray and the weights is changed through the pulleys; the electromagnet is arranged on the joint through a pin shaft, one end of the lock shaft is connected with the joint through a cylinder lock, and the other end of the lock shaft limits the third shaft sleeve so as to limit the stress application disc; the lock body is of a hollow structure, one end of the lock body is provided with an opening, the lock body is sleeved on the lock shaft and limited by a step shaft on the lock shaft, the diameter of an inner hole of the lock body is larger than that of the lock shaft, a lock spring is arranged between the lock body and the lock shaft, the lock spring is sleeved on the lock shaft, and the other end of the lock body and the lock spring are fixed by a lock nut; the electric stopwatch is connected with the microswitch through a wire, the contact seat is a shaft sleeve with steps, the contact shaft is fixed on the mounting frame in a limiting mode through the timing nut, the contact seat and the contact shaft are further provided with springs and are limited through the steps on the contact shaft and the timing nut, the microswitch is mounted on the support through screws, the support and the mounting frame are fixed through the screws, and whether the contact shaft contacts with the salient points or not controls the on-off of the microswitch. The timing is realized through the contact shaft, the contact seat, the spring, the timing nut, the microswitch, the support and the electric stopwatch, namely, the power switch of the device needs to be turned on, the lock shaft retracts after the electric lock mechanism is powered on, the stress application disc loses the limiting function and simultaneously receives the traction force effect of the force application assembly, the hydraulic damper is driven to rotate around the shaft center, and at the moment, the timing mechanism is powered on and starts to time. When the salient point on the stress application disc on the axis of the coordinate Y touches the contact shaft of the timing mechanism, the micro switch loses power, the pointer of the electric stopwatch stops, and the operator reads the damping time. The measuring device with the structure has a complex structure, so that the manufacturing cost is high, and the popularization and the use are not facilitated.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an adopt angle sensor to detect the starting force inspection and the damping time measurement of attenuator, simple structure, good reliability's damping caliber.
The technical scheme of the utility model is that a damping measurer with the following structure is provided, which comprises a mounting rack, an electric cabinet, a turntable, a pull rope and a weight assembly; the pull rope is wound in the groove on the side wall of the turntable and penetrates through the highest point of the turntable, one end of the pull rope is fixed on the turntable, and the other end of the pull rope is fixed with the weight assembly; the rotary table is rotatably connected to the front surface of the mounting frame through a rotating shaft, a damping seat is arranged on the mounting frame, and the measured damping penetrates through the damping seat, is embedded into the rotating shaft in the axial direction and is limited with the rotating shaft in the circumferential direction; the method is characterized in that: an angle sensor is arranged on the back of the mounting rack, the angle sensor is coaxially fixed with the rotating shaft, and the angle sensor is connected with a main controller in the electric cabinet; the top of carousel is equipped with the locating pin, the locating pin passes carousel and mounting bracket and stretches out to the back of mounting bracket.
The back of the mounting rack is provided with a positioning pin locking device, the locking device comprises a swing rod, a locking head and a support frame, the locking head is fixed at one end of the swing rod, the swing rod is a lever, a pivot is formed by the middle of the swing rod and is rotatably connected with a shaft on the support frame, a positioning hole is formed in the end part of the locking head, the locking head is close to the positioning rod to enable the positioning hole to be embedded with the positioning pin, and the locking head is far away from the positioning pin to enable the positioning hole to be far.
The turntable is provided with a driving lever, the middle of the driving lever is arc-shaped, and the two ends of the driving lever are straight rods and are positioned on the same diameter of the turntable.
The mounting frame is provided with guide wheels, the guide wheels are positioned above the weight component, and the pull ropes are wound around the guide wheels to change directions.
One end of the pull rope is detachably connected with the rotary disc.
The detachable connection means that a threaded hole is formed in the side wall of the rotary table, a bolt is screwed in the threaded hole, and the pull rope is fixed on the bolt.
And a coupler is arranged on the rotating shaft, one end of the coupler is connected with the rotating shaft, and the other end of the coupler is connected with a measured damper.
After the structure more than adopting, the utility model has the advantages of it is following: because the damping of measuration passes the damping seat and with axial embedding pivot and with pivot circumference spacing, and be connected with angle sensor in the pivot, just also go the turned angle and the rotation time that detect the pivot through angle sensor promptly to detect the start-up power inspection and the damping time of attenuator, angle sensor is with main control unit in signal transmission to the electric cabinet again, thereby can show on the display screen, make things convenient for operating personnel to look over. The detection device has a simple structure, and many parts are omitted, so that the reliability can be improved. And the top of the turntable is provided with a positioning pin, the positioning pin penetrates through the turntable and the mounting frame to extend out of the back of the mounting frame, and the turntable can be locked more reliably in a stop state to avoid rotation.
As an improvement, the back of the mounting rack is provided with a positioning pin locking device, the locking device comprises a swing rod, a locking head and a support frame, the locking head is fixed at one end of the swing rod, the swing rod is a lever, a pivot is the middle of the swing rod and is rotatably connected with a shaft on the support frame, the end part of the locking head is provided with a positioning hole, the locking head is close to the positioning rod to enable the positioning hole to be embedded with the positioning pin, the locking head is far away from the positioning pin to enable the positioning hole to be far away from the positioning pin, the positioning pin can be well positioned, the loosening and falling off are avoided, and therefore the.
As an improvement, the turntable is provided with a driving lever, the middle of the driving lever is arc-shaped, the two ends of the driving lever are straight rods and are positioned on the same diameter of the turntable, and the turntable can be manually rotated under the unexpected condition, so that the operation is convenient.
As an improvement, one end of the pull rope is detachably connected with the rotary disc, so that the pull rope is convenient to replace.
As an improvement, the detachable connection means that a threaded hole is formed in the side wall of the rotary table, a bolt is screwed in the threaded hole, the pull rope is fixed on the bolt, and the detachable structure is convenient.
As an improvement, a coupler is arranged on the rotating shaft, one end of the coupler is connected with the rotating shaft, the other end of the coupler is connected with a measured damper, and the coupler is convenient to connect.
Drawings
Fig. 1 is a schematic view of a front view of the damping measurer of the present invention.
Fig. 2 is a schematic view of a back view of the damping measurer according to the present invention.
Shown in the figure: 1. mounting bracket, 2, electric cabinet, 3, carousel, 4, stay cord, 5, weight subassembly, 6, damping seat, 7, angle sensor, 8, locating pin, 9, pendulum rod, 10, locking head, 11, support frame, 12, driving lever, 13, leading wheel, 14, bolt.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-2, the damping measuring device of the present invention comprises a mounting frame 1, an electric cabinet 2, a turntable 3, a pull rope 4 and a weight assembly 5; the pull rope 4 is wound in a groove in the side wall of the turntable 3 and penetrates through the highest point of the turntable 3, one end of the pull rope is fixed on the turntable 3, and the other end of the pull rope is fixed with the weight component 5; the carousel 3 rotates through the pivot to be connected on the front of mounting bracket 1, be equipped with damping seat 6 on the mounting bracket 1, the quilt survey damping pass damping seat 6 and with the axial embedding pivot and with pivot circumference spacing. The rotary plate 3 is rotated by the pulling force of the pulling rope 4. The rotation of the rotary disk 3 drives the rotating shaft to rotate synchronously.
The back of mounting bracket 1 is equipped with angle sensor 7, angle sensor 7 is fixed with the pivot coaxial line, angle sensor 7 is connected with the main control unit in electric cabinet 2. The rotating shaft rotates to drive the angle sensor 7 to rotate synchronously, and then the rotating angle data is transmitted to the main controller in the electric cabinet 2. The rotation angle data includes data such as a rotation angle and a rotation time.
The top of carousel 3 is equipped with locating pin 8, locating pin 8 passes carousel 3 and mounting bracket 1 and stretches out to the back of mounting bracket 1. After the dowel pins 8 are inserted, the pan 3 is no longer pulled by the weight of the weight assembly 5.
The back of the mounting rack 1 is provided with a positioning pin locking device, the locking device comprises a swing rod 9, a locking head 10 and a support frame 11, the locking head 10 is fixed at one end of the swing rod 9, the swing rod 9 is a lever, a pivot is formed by the rotation connection of the middle part of the swing rod 9 and a shaft on the support frame 11, and a pivot of the swing rod 9 is a swinging center. The end part of the locking head 10 is provided with a positioning hole, the locking head 10 is close to the positioning rod to enable the positioning hole to be embedded with the positioning pin 8, and the locking head 10 is far away from the positioning pin 8 to enable the positioning hole to be far away from the positioning pin 8.
The turntable 3 is provided with a driving lever 12, the middle of the driving lever 12 is arc-shaped, a rotating shaft in the center of the turntable 3 can be avoided, and two ends of the driving lever 12 are straight rods and are positioned on the same diameter of the turntable 3, so that an operator can manually rotate the turntable 3, and the forward rotation and the reverse rotation can be realized.
The mounting frame 1 is provided with guide wheels 13, the guide wheels 13 are positioned above the weight component 5, and the pull ropes 4 change directions by bypassing the guide wheels 13, so that the pull ropes 4 above the Ma-Fa component 5 are not in contact with the side wall of the turntable 3, and the friction force between the pull ropes 4 and the turntable 3 is reduced.
One end of the pull rope 4 is detachably connected with the rotary disc 3. The detachable connection means that a threaded hole is formed in the side wall of the rotary table 3, a bolt 14 is screwed in the threaded hole, and the pull rope 4 is fixed on the bolt 14.
And a coupler is arranged on the rotating shaft, one end of the coupler is connected with the rotating shaft, and the other end of the coupler is connected with a measured damper. The damper to be measured is firstly inserted into the hole of the damping seat 6, so that one end of the damper to be measured is connected with one end of the coupler, and meanwhile, the circumferential limit is realized.
The utility model discloses a damping caliber still is equipped with parts such as power-on switch, display screen.
The measurement operation steps are as follows:
(1) fixing a damper on the damping measurer;
(2) pulling out the positioning pin, and shifting the power-on switch to a starting position;
(3) using weights to load torque, wherein the loading torque is increased from 0.05kg-M to 0.5kg-M, the torque interval is 0.05kg-M, and a weight is added every time the torque is increased by 0.05 kg-M;
(4) observing the rotation angle and time of the damper on a display screen;
(5) and after the measurement is finished, removing the weight, shifting the angle sensor to a zero position by using a shifting rod, inserting a positioning pin, shifting a zero clearing button to zero clearing, shifting a stop button after the data is zero cleared, and finally shifting an electrifying button to the stop position to finish the measurement.
Claims (7)
1. A damping measurer comprises a mounting rack (1), an electric cabinet (2), a turntable (3), a pull rope (4) and a weight assembly (5); the pull rope (4) is wound in a groove in the side wall of the turntable (3) and penetrates through the highest point of the turntable (3), one end of the pull rope is fixed on the turntable (3), and the other end of the pull rope is fixed with the weight component (5); the rotary table (3) is rotatably connected to the front surface of the mounting frame (1) through a rotating shaft, a damping seat (6) is arranged on the mounting frame (1), and the measured damping penetrates through the damping seat (6), is embedded into the rotating shaft in the axial direction and is limited with the rotating shaft in the circumferential direction; the method is characterized in that: an angle sensor (7) is arranged on the back of the mounting rack (1), the angle sensor (7) is coaxially fixed with the rotating shaft, and the angle sensor (7) is connected with a main controller in the electric cabinet (2); the top of carousel (3) is equipped with locating pin (8), locating pin (8) pass carousel (3) and mounting bracket (1) and stretch out to the back of mounting bracket (1).
2. A damping measurer as claimed in claim 1, wherein: the back of mounting bracket (1) is equipped with locating pin locking device, locking device includes pendulum rod (9), locking head (10) and support frame (11), the one end at pendulum rod (9) is fixed in locking head (10), pendulum rod (9) are a lever, and the fulcrum is the axle on the middle part of pendulum rod (9) and support frame (11) and rotates and be connected, the tip of locking head (10) is equipped with the locating hole, locking head (10) are close to the locating lever and make locating hole and locating pin (8) inlay mutually, locating pin (8) are kept away from in locking head (10) and locating pin (8) make the locating hole keep away from.
3. A damping measurer as claimed in claim 1, wherein: the turntable (3) is provided with a driving lever (12), the middle of the driving lever (12) is arc-shaped, and the two ends of the driving lever are straight rods and are positioned on the same diameter of the turntable (3).
4. A damping measurer as claimed in claim 1, wherein: the weight scale is characterized in that guide wheels (13) are arranged on the mounting frame (1), the guide wheels (13) are positioned above the weight component (5), and the pull ropes (4) are wound around the guide wheels (13) to change directions.
5. A damping measurer as claimed in claim 1, wherein: one end of the pull rope (4) is detachably connected with the rotary disc (3).
6. The damping measurer of claim 5 wherein: the detachable connection means that a threaded hole is formed in the side wall of the rotary disc (3), a bolt (14) is screwed in the threaded hole, and the pull rope (4) is fixed on the bolt (14).
7. A damping measurer as claimed in claim 1, wherein: and a coupler is arranged on the rotating shaft, one end of the coupler is connected with the rotating shaft, and the other end of the coupler is connected with a measured damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020181674.7U CN211824974U (en) | 2020-02-18 | 2020-02-18 | Damping measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020181674.7U CN211824974U (en) | 2020-02-18 | 2020-02-18 | Damping measurer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211824974U true CN211824974U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020181674.7U Active CN211824974U (en) | 2020-02-18 | 2020-02-18 | Damping measurer |
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| Country | Link |
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| CN (1) | CN211824974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629837A (en) * | 2020-11-03 | 2021-04-09 | 哈尔滨哈飞航空工业有限责任公司 | Rotary damper damping coefficient testing device and measuring method |
-
2020
- 2020-02-18 CN CN202020181674.7U patent/CN211824974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629837A (en) * | 2020-11-03 | 2021-04-09 | 哈尔滨哈飞航空工业有限责任公司 | Rotary damper damping coefficient testing device and measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315000 Xiyang village, Shiqi street, Haishu District, Ningbo City, Zhejiang Province Patentee after: Star Arrow Technology Co.,Ltd. Address before: Xiyang village, Shiqi street, Haishu District, Ningbo City, Zhejiang Province Patentee before: NINGBO XINGJIAN SPACE MACHINERY Co.,Ltd. |
|
| CP03 | Change of name, title or address |