CN114608843A - Driving device with tape collecting function and tape collecting method - Google Patents
Driving device with tape collecting function and tape collecting method Download PDFInfo
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- CN114608843A CN114608843A CN202210512485.7A CN202210512485A CN114608843A CN 114608843 A CN114608843 A CN 114608843A CN 202210512485 A CN202210512485 A CN 202210512485A CN 114608843 A CN114608843 A CN 114608843A
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- Prior art keywords
- belt
- driving motor
- take
- pulley
- mounting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
Abstract
The invention relates to the technical field of automobile testing devices, and discloses a driving device with a tape collecting function and a tape collecting method, wherein the driving device comprises: the mounting frame is respectively provided with a first mounting position and a second mounting position, the first mounting position is provided with a belt pulley, and the second mounting position is provided with a belt take-up pulley; the belt pulley is provided with a first connecting structure, and the take-up pulley is provided with a second connecting structure; a drive motor having a third connecting structure connectable to the first connecting structure such that the drive motor can drive the pulley; the third connecting structure can be connected with the second connecting structure, so that the driving motor can drive the take-up pulley; the switching mechanism is arranged on the mounting rack and can drive the driving motor to switch between a first mounting position and a second mounting position. The driving device has the advantages that the driving motor of the driving device can drive the belt to perform tests and provide power for the belt to be wound, the driving device has two purposes, the switching between the two modes is simple, and the stability is high.
Description
Technical Field
The invention relates to the technical field of automobile testing devices, in particular to a driving device with a tape collecting function and a tape collecting method.
Background
An automatic emergency braking system (AEB) can provide emergency braking to a vehicle to avoid a collision or reduce the speed of a collision when an obstacle suddenly appears in front of the vehicle. The automobile has a high proportion in traffic accidents due to frontal collision, and the automatic emergency braking system (AEB) can effectively reduce the damage to the automobile and personnel and improve the safety of the pedestrians. Vehicles equipped with automatic emergency braking systems (AEB) require testing of the AEB system before the vehicle is on the market to ensure that it will perform its useful function during use.
The AEB test system mainly comprises a driving device, a dummy target module and a corner device, wherein one end of a belt is connected to the dummy target module, and the other end of the belt bypasses the driving device and the corner device and is also connected to the dummy target module. The belt is driven by the driving device to drive the dummy target object module to move between the driving device and the corner device.
Because the length of the belt is generally set to be very long due to test requirements, after the AEB test system completes the test, the belt is taken down from the driving device, the dummy target object module and the corner device, and the belt is collected manually, so that the belt is convenient to use in the next test. However, the belt is long, so that the collected belt is scattered without seals, occupies a large space and is easy to forget to carry.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the invention is as follows: provides a driving device with dual-purpose and convenient operation and a tape collecting function and a tape collecting method.
The technical scheme adopted by the invention for solving the technical problem is to provide a driving device with a tape collecting function, which comprises:
the belt winding device comprises a mounting frame, a first winding device and a second winding device, wherein the mounting frame is respectively provided with a first mounting position and a second mounting position, a belt pulley for driving a belt is arranged at the first mounting position, and a belt winding wheel for winding the belt is arranged at the second mounting position; the belt pulley is provided with a first connecting structure, and the belt take-up pulley is provided with a second connecting structure;
the driving motor is provided with a third connecting structure, and the third connecting structure can be connected to the first connecting structure so that the driving motor can drive the belt pulley; and the third connecting structure can be connected with the second connecting structure, so that the driving motor can drive the take-up pulley;
the switching mechanism is arranged on the mounting rack and can drive the driving motor to switch between the first mounting position and the second mounting position.
Furthermore, the first connecting structure and the second connecting structure are both connecting sleeves, a plurality of first convex blocks protruding upwards are arranged in the connecting sleeves along the circumferential direction of the connecting sleeves, and the first convex blocks are arranged at intervals;
the third connecting structure is a transmission sleeve which is sleeved on the output shaft of the driving motor, the transmission sleeve is provided with a plurality of second convex blocks protruding downwards, and the second convex blocks are arranged at intervals;
when the transmission sleeve is connected to the connecting sleeve, each first lug is positioned between two second lugs, and each second lug is positioned between two first lugs.
The rubber ring is detachably arranged on the transmission sleeve, a plurality of third lugs are uniformly distributed on the rubber ring along the circumferential direction of the rubber ring, the number of the first lugs is equal to that of the second lugs, and the number of the third lugs is twice that of the first lugs or the second lugs;
when the transmission sleeve is connected to the connecting sleeve, the third convex blocks are arranged on two sides of each first convex block and each second convex block.
Furthermore, the switching mechanism comprises a supporting plate and a screw rod, wherein a thread sleeve is arranged on the supporting plate, the thread sleeve is sleeved on the screw rod in a lifting manner, the screw rod is rotatably arranged on the mounting frame, and the driving motor is arranged on the supporting plate;
The lead screw can drive the driving motor to switch between the first mounting position and the second mounting position through the supporting plate.
Furthermore, a first limiting piece is arranged along the mounting frame close to the first mounting position, and a second limiting piece is arranged along the mounting frame close to the second mounting position;
when the driving motor is switched to the first installation position, the side surface of the driving motor abuts against the first limiting piece; when the driving motor is switched to the second mounting position, the other side surface of the driving motor abuts against the second limiting piece;
the lead screw is provided with a switching turntable fixedly connected with the lead screw, and a handle protrudes from the switching turntable.
Further, the driving motor comprises a main body part and an output part, and the output part is detachably locked on the mounting frame through the locking mechanism.
Further, a mounting flange is arranged on the mounting frame along the first mounting position and the second mounting position, and the output part is provided with a mounting disc;
the locking mechanism comprises a lock seat, a hinge seat, a U-shaped locking part, an operating arm and a connecting shaft, the lock seat is arranged on the mounting disc, and a lock groove is formed in the lock seat; the hinged seat is arranged on the mounting flange; the control arm is hinged on the hinge seat; the connecting shaft is connected with two ends of the U-shaped locking piece and penetrates through the control arm; the actuating arm can drive the U-shaped locking piece to be locked into the locking groove or be separated from the locking groove.
Furthermore, two ends of the connecting shaft are respectively provided with a through hole, and two ends of the U-shaped locking piece are respectively arranged in the through holes in a penetrating manner; two ends of the U-shaped locking part are respectively provided with a threaded rod, a fixing nut and an adjusting nut are movably arranged on the threaded rods, and the fixing nut and the adjusting nut are respectively positioned on two sides of the through hole.
Furthermore, the belt tensioning mechanism, a plurality of groups of limiting pulleys and limiting blocks are arranged on the mounting frame;
the belt tensioning mechanism comprises a tensioning cylinder and a tensioning wheel driven by the tensioning cylinder; a channel for a belt to pass through is arranged between each group of limiting pulleys and the limiting blocks;
the bottom of take-up pulley be coaxial setting take-up reel with the take-up pulley, just the diameter of take-up reel is greater than the diameter of take-up pulley, be equipped with the joint portion that supplies the belt joint on the take-up pulley.
The technical scheme adopted by the invention for solving the technical problems is to further provide a tape collecting method, wherein the driving device with the tape collecting function is adopted, and the tape collecting method comprises the following steps:
the switching mechanism drives the third connecting structure to be separated from the first connecting structure, and switches the driving motor from the first mounting position to the second mounting position, and the third connecting structure is connected with the second connecting structure;
Connecting one end of a belt to the take-up wheel;
the driving motor rotates to drive the belt take-up wheel to rotate, and the belt is wound on the belt take-up wheel.
Compared with the prior art, the invention has at least the following beneficial effects:
according to the invention, the belt pulley and the take-up pulley are respectively arranged at the first mounting position and the second mounting position on the mounting frame, the driving motor can be switched between the first mounting position and the second mounting position, and after the position of the driving motor is adjusted, the driving motor is detachably locked through the locking mechanism, so that the structural stability of the driving motor during working is ensured. When the switching mechanism drives the driving motor to be switched to the first installation position, the transmission sleeve on the driving motor is connected and transmitted with the connecting sleeve on the belt pulley to transmit torque, so that the driving motor can drive the belt through the belt pulley to perform a test on the AEB system of the automobile; when switching mechanism orders about driving motor and switches to the second mounted position, driving sleeve on the driving motor is connected with the adapter sleeve on the take-up pulley, the transmission moment of torsion, make driving motor can order about the take-up pulley and rotate, after the test of car AEB system is accomplished, be connected to the take-up pulley with the one end of belt on, driving motor orders about the take-up pulley and rotates and carry out roll-up belt work, the belt is rolled up on the take-up pulley in proper order, support, accomodate on the take-up pulley, it is easy forgetting to solve the belt, in a jumble, and the belt rolling is troublesome, the big problem of occupation space, the horizontal space of make full use of mounting bracket, need not set up extra belt collecting device specially again, the effect of a quick-witted dual-purpose of performance driving motor.
The switching mechanism comprises a lead screw and a supporting plate, wherein a main body part (a machine body) of a driving motor is arranged on the supporting plate and is linked with the supporting plate, after the driving motor is unlocked from a first installation position or a second installation position, the lead screw is rotated, the lead screw firstly drives the driving motor to lift up, and after the driving motor is separated from an installation flange, the lead screw drives the driving motor to rotate through the supporting plate and is switched between the first installation position and the second installation position. After the driving motor is switched from the first installation position to the second installation position, a second limiting part is arranged at a position close to the second installation position, the second limiting part limits the driving motor to continue rotating, and the supporting plate does lifting motion along the screw rod, so that a transmission sleeve on the driving motor is downwards connected with and transmits a connection sleeve at a belt retracting wheel; after the driving motor is switched to the first installation position from the second installation position, a first limiting part is arranged at a position close to the first installation position, the first limiting part limits the driving motor to continuously rotate, and the supporting plate does lifting motion along the screw rod, so that a transmission sleeve on the driving motor is downwards connected with a connection sleeve at the belt pulley and transmits, the switching mechanism can realize the position change of the driving motor by rotation and can be matched with the first limiting part and the second limiting part for use, the driving motor can be lifted up or lowered down, namely, the driving motor can be controlled to rotate to change the position, and the driving motor can be controlled to lift to change the position.
Drawings
FIG. 1 is a schematic structural diagram of a driving apparatus of the present invention applied to an AEB test system;
FIG. 2 is a schematic view of a driving device;
FIG. 3 is a schematic view of FIG. 2 from another perspective (with the belt installed);
FIG. 4 is a top view of the drive device;
FIG. 5 is a cross-sectional view taken along A-A of FIG. 4;
FIG. 6 is an assembly view of the drive motor, pulley, switching mechanism and locking mechanism;
FIG. 7 is a schematic half-section view of FIG. 6;
FIG. 8 is an exploded view of FIG. 6;
FIG. 9 is an exploded view of the third attachment structure, rubber ring and first attachment structure;
FIG. 10 is a schematic view of the structure of FIG. 9 from another perspective;
fig. 11 is an exploded schematic view of the locking mechanism.
In the figure:
1. a mounting frame; 1A, a first mounting position; 1B, a second mounting position; 10. a belt pulley; 101. a first connecting structure; 101A, a first bump; 102. a limiting ring; 11. a belt retracting wheel; 111. a second connecting structure; 112. a take-up reel; 12. a first limit piece; 13. a second limiting member; 14. installing a flange;
2. a drive motor; 20. a rubber ring; 201. a third bump; 21. a body portion; 22. an output section; 221. mounting a disc; 222. a third connecting structure; 222A, a second bump;
3. A switching mechanism; 30. a pallet; 301. a threaded sleeve; 31. a lead screw; 311. switching the turnplate;
4. a locking mechanism; 40. a lock seat; 401. locking the groove; 41. a hinged seat; 42. a U-shaped capture member; 421. a threaded rod; 43. an operating arm; 44. a connecting shaft; 441. a through hole; 45. fixing a nut; 46. adjusting the nut;
5. a belt tensioning mechanism; 50. a tensioning cylinder; 51. a tension wheel;
6. a limiting pulley; 60. a limiting block;
7. a belt;
100. a drive device; 200. a dummy target module; 300. and a corner turning device.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, the driving device 100 of the present embodiment is used in an AEB test system, which mainly includes a driving device 100, a dummy object module 200, and a turning device 300, wherein one end of a belt 7 is connected to the dummy object module 200, and the other end thereof is connected to the dummy object module 200 while bypassing the driving device 100 and the turning device 300. The belt 7 is driven by the driving device 100 to drive the dummy object module 200 to move between the driving device 100 and the corner device 300, the automobile drives to the dummy object module 200, and whether the AEB system of the automobile works reliably is tested. The driving device 100 of the present embodiment is described in detail below:
As shown in fig. 2 to 5, a driving device 100 with a belt winding function mainly includes: the device comprises a mounting rack 1, a driving motor 2, a switching mechanism 3, a locking mechanism 4 and a belt tensioning mechanism 5.
Be equipped with first mounted position 1A and second mounted position 1B on the mounting bracket 1 respectively, first mounted position 1A and second mounted position 1B are along the length direction of mounting bracket 1 and set up side by side to make full use of 1 length direction's of mounting bracket space. The first installation position 1A is provided with a belt pulley 10 for driving the belt 7, and the second installation position 1B is provided with a take-up pulley 11 for winding the belt 7. In the AEB system test, the pulley 10 operates to drive the belt 7, and thus the dummy target module 200; after the AEB system test is completed, the take-up pulley 11 is operated to wind the belt 7. The belt pulley 10 is provided with a first connecting structure 101, and the take-up pulley 11 is provided with a second connecting structure 111. The first connection structure 101 and the second connection structure 111 have the same structure to facilitate connection with the driving motor 2 without using other adaptor.
A third connecting structure 222 is arranged on the driving motor 2, and the third connecting structure 222 can be connected to the first connecting structure 101, so that the driving motor 2 can drive the belt pulley 10; and the third connecting structure 222 can be connected to the second connecting structure 111, so that the driving motor 2 can drive the winding wheel 11, that is, the driving motor 2 is movable, and after moving the driving motor 2 to a desired position, the driving motor 2 is fixed.
Specifically, as shown in fig. 9 to 10, in this embodiment, the first connecting structure 101 and the second connecting structure 111 are both connecting sleeves, and the connecting sleeves have a plurality of first protruding blocks 101A protruding upwards along the circumferential direction thereof, and the first protruding blocks 101A are arranged at intervals, and the connecting sleeves can be used for connecting and transmitting a transmission sleeve (i.e., the third connecting structure 222) on the driving motor 2, so as to transmit the rotation of the driving motor 2 to the connecting sleeves through the transmission sleeve. The third connecting structure 222 on the driving motor 2 is a transmission sleeve, which is sleeved on the output shaft of the driving motor 2, and the transmission sleeve is provided with a plurality of second protrusions 222A protruding downwards, and the plurality of second protrusions 222A are arranged at intervals; when the transmission sleeve is connected to the connecting sleeve, each first lug 101A is positioned between two second lugs 222A, each second lug 222A is positioned between two first lugs 101A, and the plurality of first lugs 101A and the plurality of second lugs 222A transmit, so that reliable transmission is ensured.
In the actual working process, the transmission sleeve on the driving motor 2 has a plurality of second protrusions 222A protruding downwards, the connection sleeves on the belt pulley 10 and the belt take-up pulley 11 have a plurality of first protrusions 101A protruding upwards, the plurality of second protrusions 222A and the plurality of first protrusions 101A correspond one to one, and the second protrusions 222A are clamped on the first protrusions 101A to realize the detachable connection of the driving motor 2 and the belt pulley 10 or the belt take-up pulley 11, and the connection mode is equivalent to the direct clamping connection of the transmission sleeve and the connection sleeves, but the direct rigid connection easily generates larger noise.
Preferably, a rubber ring 20 may be arranged between the transmission sleeve and the connection sleeve for transition, the rubber ring 20 is detachably arranged on the transmission sleeve, a plurality of third protrusions 201 are uniformly distributed on the rubber ring 20 along the circumferential direction of the rubber ring, the number of the first protrusions 101A is the same as that of the second protrusions 222A, and the number of the third protrusions 201 is twice that of the first protrusions 101A or the second protrusions 222A; when the transmission sleeve is connected to the connection sleeve, the third protrusions 201 are disposed on two sides of each of the first protrusions 101A and the second protrusions 222A. The rubber ring 20 is connected between the transmission sleeve and the connecting sleeve in a transition way, so that the first lug 101A is prevented from being directly and rigidly contacted with the third lug 201, and the noise generated when the transmission sleeve is connected to the connecting sleeve can be reduced.
As shown in fig. 6 to 8, a switching mechanism 3 is disposed on the mounting bracket 1, and the switching mechanism 3 can drive the driving motor 2 to switch between the first mounting position 1A and the second mounting position 1B. The driving motor 2 is driven to move by the switching mechanism 3, and then the driving motor 2 is connected to the belt pulley 10 or the take-up pulley 11, so that the power output object of the driving motor 2 is changed. Specifically, the switching mechanism 3 includes a supporting plate 30 and a screw rod 31, a threaded sleeve 301 is disposed on the supporting plate 30, the threaded sleeve 301 is sleeved on the screw rod 31 in a liftable manner, and the threaded sleeve 301 and the screw rod 31 form a screw rod nut mechanism. The lead screw 31 is rotatably arranged on the mounting frame 1, a bearing is sleeved at the bottom of the lead screw 31, and an outer ring of the bearing is fixed on the mounting frame 1, so that the lead screw 31 can be easily and smoothly rotated. The driving motor 2 is disposed on the supporting plate 30, and the lead screw 31 can drive the driving motor 2 to switch between the first mounting position 1A and the second mounting position 1B through the supporting plate 30.
The mounting block 1 is provided with a first limiting member 12 at a position close to the first mounting position 1A, a second limiting member 13 at a position close to the second mounting position 1B, the first limiting member 12 and the second limiting member 13 can be both provided as bolts, so that the mounting block is convenient to mount, two threaded holes can be formed in corresponding positions of the mounting block 1, and the two bolts are respectively screwed in the two threaded holes to serve as the first limiting member 12 and the second limiting member 13. When the driving motor 2 is switched to the first installation position 1A, the side surface of the driving motor 2 abuts against the first limiting piece 12; when the driving motor 2 is switched to the second mounting position 1B, the other side surface of the driving motor 2 abuts against the second limiting member 13. The purpose of the first limiting member 12 and the second limiting member 13 is to change the rotation of the driving motor 2 driven by the lead screw 31 into the lifting motion of the driving motor 2, so that the driving motor 2 can be lifted or lowered along the lead screw 31.
Furthermore, a switching turntable 311 fixedly connected to the screw 31 is disposed on the screw 31, a handle protrudes from the switching turntable 311, and the switching turntable 311 and the handle are both disposed to facilitate rotation of the screw 31.
The overall structure and the switching principle of the switching mechanism 3 in this embodiment are as follows: the switching mechanism 3 comprises a lead screw 31 and a supporting plate 30, the main body 21 (i.e. the body) of the driving motor 2 is mounted on the supporting plate 30 and is linked with the supporting plate 30, after the driving motor 2 is unlocked from the first mounting position 1A or the second mounting position 1B, the lead screw 31 is rotated, the lead screw 31 lifts the driving motor 2, and after the driving motor 2 is detached from the mounting flange 14, the lead screw 31 drives the driving motor 2 to rotate through the supporting plate 30, and the switching between the first mounting position 1A and the second mounting position 1B is performed. After the driving motor 2 is switched from the first installation position 1A to the second installation position 1B, the second limiting member 13 is disposed near the second installation position 1B, the second limiting member 13 limits the driving motor 2 to continue to rotate, and the supporting plate 30 can only do lifting motion along the lead screw 31, so that the transmission sleeve on the driving motor 2 is connected and transmitted with the connection sleeve at the take-up pulley 11 downward. After the driving motor 2 is switched to the first installation position 1A from the second installation position 1B, the first limiting part 12 is arranged at a position close to the first installation position 1A, the first limiting part 12 limits the driving motor 2 to continue rotating, the supporting plate 30 moves up and down along the lead screw 31, so that the transmission sleeve on the driving motor 2 is connected and transmitted with the connection sleeve at the belt pulley 10 downwards, the switching mechanism 3 can realize that the driving motor 2 rotates to change the position, and can be used in cooperation with the first limiting part 12 and the second limiting part 13, so that the driving motor 2 can change the position by lifting up or down, the driving motor 2 can be lifted up or down, the switching mechanism 3 can control the driving motor 2 to rotate to change the position, and can also control the driving motor 2 to change the position by lifting, the structure is ingenious, and the operation is simple.
Wherein, the bottom of take-up pulley 11 be the take-up reel 112 of coaxial setting with take-up pulley 11, just the diameter of take-up reel 112 is greater than the diameter of take-up pulley 11, be equipped with the joint portion that supplies the belt 7 joint on the take-up pulley 11, this joint portion in this embodiment is the draw-in groove, convenient processing. The take-up pulley 11 is supported and accommodated on the take-up reel 112 after the belt 7 is taken up, so as to prevent the belt 7 from falling off, and a through groove (not shown) is provided above the take-up reel 112 for observing the real-time status of the take-up belt 7.
As shown in fig. 2 and 11, the driving device 100 further comprises a locking mechanism 4, the driving motor 2 comprises a main body part 21 and an output part 22, a speed reduction gear set can be arranged on the output part 22 of the driving motor 2, and the output part 22 is detachably locked on the mounting frame 1 through the locking mechanism 4, when the driving motor 2 is connected to the belt pulley 10 or when the driving motor 2 is connected to the take-up pulley 11, the locking mechanism 4 locks to ensure that the driving motor 2 does not loosen when in operation; and when the driving motor 2 needs to be moved, the locking mechanism 4 is unlocked simply. Wherein, a mounting flange 14 is arranged on the mounting rack 1 at the first mounting position 1A and the second mounting position 1B, and the output part 22 is provided with a mounting disc 221; the locking mechanism 4 comprises a lock seat 40, a hinged seat 41, a U-shaped locking piece 42, an operating arm 43 and a connecting shaft 44, the lock seat 40 is arranged on the mounting disc 221, and a lock groove 401 is arranged on the lock seat 40; the hinge base 41 is arranged on the mounting flange 14; the operating arm 43 is hinged on the hinge base 41; the connecting shaft 44 is connected with two ends of the U-shaped locking piece 42 and is arranged on the operating arm 43 in a penetrating way; the actuating arm 43 can actuate the U-shaped capturing member 42 to be locked into the locking slot 401 or to be unlocked from the locking slot 401.
Specifically, two ends of the connecting shaft 44 are respectively provided with a through hole 441, and two ends of the U-shaped locking member 42 are respectively inserted into the through holes 441; two ends of the U-shaped locking member 42 are respectively provided with a threaded rod 421, two threaded rods 421 are movably provided with a fixing nut 45 and an adjusting nut 46, and the fixing nut 45 and the adjusting nut 46 are respectively located on two sides of the through hole 441. Through adjusting the position of fixation nut 45 and adjusting nut 46 on threaded rod 421, the length that adjustable U-shaped piece 42 stretched to lock seat 40, the distance of keeping a position of U-shaped piece 42 is adjustable promptly to guarantee that U-shaped piece 42 locks into the elasticity of locked groove 401 and be suitable, and to the driving motor 2 of different specifications, the accessible is adjusted the length that stretches out of U-shaped piece 42, guarantees that locking mechanism 4 can be with its locking.
In the using process, when the driving motor 2 needs to be locked after the driving motor 2 is switched to the first mounting position 1A or the second mounting position 1B, the operating arm 43 is pulled upwards, and the U-shaped locking piece 42 is clamped into the locking groove 401 on the lock base 40; the actuating arm 43 is then pressed downwardly so that the U-shaped catch 42 locks onto the lock receptacle 40. When the driving motor 2 needs to be unlocked, the operating arm 43 is pulled upwards, and the U-shaped locking piece 42 is separated from the locking groove 401, so that the locking and unlocking operations are simple.
As shown in fig. 3, the driving device 100 further includes a belt tensioning mechanism 5, and a plurality of sets of limiting pulleys 6 and limiting blocks 60, which are disposed on the mounting frame 1, and a channel for the belt 7 to pass through is provided between each set of limiting pulleys 6 and limiting blocks 60. The limiting pulley 6 and the limiting block 60 are combined for use, so that the belt 7 is limited between the limiting pulley and the limiting block, and the belt 7 is prevented from being separated. Set up belt tensioning mechanism 5 on mounting bracket 1, this belt tensioning mechanism 5 includes take-up pulley 51 and tensioning cylinder 50, take-up pulley 51 fixed mounting is on slide (not mark in the picture), install on mounting bracket 1 slide, tensioning cylinder 50's telescopic shaft is connected on the slide, tensioning cylinder 50's telescopic shaft concertina movement, drive the slide motion, and then order about take-up pulley 51 and the slide linkage on the slide, and take-up pulley 51 direct action is on belt 7, adjust belt 7's rate of tension, guarantee that test goes on smoothly.
In view of the above, in the driving device 100, the belt pulley 10 and the belt take-up pulley 11 are respectively disposed at the first mounting position 1A and the second mounting position 1B on the mounting frame 1, the driving motor 2 can be switched between the first mounting position 1A and the second mounting position 1B, and after the position of the driving motor 2 is adjusted, the driving motor 2 is detachably locked by the locking mechanism 4, so as to ensure the structural stability of the driving motor 2 during operation. When the switching mechanism 3 drives the driving motor 2 to switch to the first installation position 1A, the transmission sleeve on the driving motor 2 is connected with the connection sleeve on the belt pulley 10 for transmission, so that the driving motor 2 can drive the belt 7 through the belt pulley 10 to perform a test of the AEB system. When switching mechanism 3 orders about driving motor 2 to switch to second installation position 1B, driving sleeve on driving motor 2 is connected with the adapter sleeve on the take-up pulley 11, the transmission, make driving motor 2 can order about take-up pulley 11 and rotate, after the test of AEB system is accomplished, the both ends of belt 7 all break away from dummy target object module 200, and be connected to on the take-up pulley 11 with the one end of belt 7, driving motor 2 orders about take-up pulley 11 and rotates and carry out the work of roll-up belt 7, belt 7 is rolled up on take-up pulley 11 in proper order, and support, accomodate on take-up pulley 112, solve belt 7 and easily forget, mixed and disorderly, and belt 7 rolls up trouble, the problem that occupation space is big, utilize the horizontal space of mounting bracket 1, need not set up extra take-up belt 7 device again specially, and can play driving motor 2 a tractor serves two-functions.
The second embodiment:
a method for winding a tape, which uses the driving device 100 with a tape winding function in the first embodiment, the method comprising the steps of:
the switching mechanism 3 drives the third connecting structure 222 to be separated from the first connecting structure 101, and switches the driving motor 2 from the first installation position 1A to the second installation position 1B, wherein the third connecting structure 222 is connected to the second connecting structure 111. When the AEB system test is completed, the driving motor 2 is at the first installation position 1A and is connected to the connecting sleeve (i.e., the first connecting structure 101) at the pulley 10. Therefore, the third connecting structure 222 needs to be separated from the first connecting structure 101, and then the position of the driving motor 2 is switched to connect the third connecting structure 222 to the second connecting structure 111.
Connect the one end of belt 7 on take-up pulley 11, be about to the one end joint of belt 7 in the draw-in groove of take-up pulley 11, take-up pulley 11 and belt pulley 10 are in same level, and when take-up pulley 11 rolling-up belt 7, belt 7 realizes the roll-up in the coplanar, and it is level and smooth to take up the area.
And starting the driving motor 2, wherein the driving motor 2 rotates to drive the take-up wheel 11 to rotate, and the belt 7 is wound on the take-up wheel 11. After the belt 7 is wound, the driving motor 2 stops rotating, and the belt 7 is supported and accommodated on the belt winding disc 112, and can be carried along with the driving device 100 without occupying other space additionally or arranging an additional belt 7 winding device.
In this scheme, this drive arrangement 100's driving motor 2 both can drive belt 7 and carry out AEB system test, can provide power for roll-up belt 7 again, but a tractor serves dual-purpose, and it is simple to switch between two kinds of modes, and stability is high.
Claims (10)
1. A drive device having a take-up function, comprising:
the belt winding device comprises a mounting frame, a first winding device and a second winding device, wherein the mounting frame is respectively provided with a first mounting position and a second mounting position, a belt pulley for driving a belt is arranged at the first mounting position, and a winding wheel for winding the belt is arranged at the second mounting position; the belt pulley is provided with a first connecting structure, and the belt take-up pulley is provided with a second connecting structure;
the driving motor is provided with a third connecting structure, and the third connecting structure can be connected to the first connecting structure, so that the driving motor can drive the belt pulley; the third connecting structure can be connected to the second connecting structure, so that the driving motor can drive the take-up pulley;
the switching mechanism is arranged on the mounting rack and can drive the driving motor to switch between the first mounting position and the second mounting position.
2. The driving device with the belt retracting function as claimed in claim 1, wherein the first connecting structure and the second connecting structure are both connecting sleeves, and a plurality of first convex blocks protruding upwards are arranged in the connecting sleeves along the circumferential direction of the connecting sleeves, and are arranged at intervals;
the third connecting structure is a transmission sleeve which is sleeved on the output shaft of the driving motor, and the transmission sleeve is provided with a plurality of second convex blocks protruding downwards, and the second convex blocks are arranged at intervals;
when the transmission sleeve is connected to the connecting sleeve, each first lug is positioned between two second lugs, and each second lug is positioned between two first lugs.
3. The driving device with the belt rewinding function as claimed in claim 2, further comprising a rubber ring, wherein the rubber ring is detachably disposed on the transmission sleeve, and a plurality of third protrusions are uniformly distributed on the rubber ring along the circumferential direction of the rubber ring, the number of the first protrusions is equal to that of the second protrusions, and the number of the third protrusions is twice as large as that of the first protrusions or the second protrusions;
when the transmission sleeve is connected to the connecting sleeve, the third convex blocks are arranged on two sides of each first convex block and each second convex block.
4. The driving device with the belt retracting function according to claim 1, wherein the switching mechanism comprises a supporting plate and a screw rod, the supporting plate is provided with a thread bush, the thread bush is sleeved on the screw rod in a lifting manner, the screw rod is rotatably arranged on the mounting frame, and the driving motor is arranged on the supporting plate;
the lead screw can drive the driving motor to switch between the first installation position and the second installation position through the supporting plate.
5. The driving device with a belt retracting function according to claim 4, wherein the mounting bracket is provided with a first limiting member along a position close to the first mounting position, and a second limiting member along a position close to the second mounting position;
when the driving motor is switched to the first installation position, the side surface of the driving motor is abutted against the first limiting piece; when the driving motor is switched to the second installation position, the other side surface of the driving motor is abutted against the second limiting piece;
the lead screw is provided with a switching turntable fixedly connected with the lead screw, and a handle protrudes from the switching turntable.
6. The drive device with a belt retracting function according to claim 1, further comprising a locking mechanism, wherein the drive motor includes a main body portion and an output portion, and the output portion is detachably locked to the mounting bracket by the locking mechanism.
7. The drive with a wind-up function of claim 6, wherein said mounting bracket has a mounting flange along each of said first and second mounting locations, said output section having a mounting plate;
the locking mechanism comprises a lock seat, a hinged seat, a U-shaped locking part, an operating arm and a connecting shaft, the lock seat is arranged on the mounting disc, and a lock groove is formed in the lock seat; the hinge seat is arranged on the mounting flange; the operating arm is hinged on the hinge seat; the connecting shaft is connected with two ends of the U-shaped locking piece and penetrates through the control arm; the actuating arm can drive the U-shaped locking piece to be locked into the locking groove or be separated from the locking groove.
8. The driving device with the belt retracting function as claimed in claim 7, wherein a through hole is respectively formed at both ends of the connecting shaft, and both ends of the U-shaped locking member are respectively inserted into the through holes; two ends of the U-shaped locking piece are respectively provided with a threaded rod, a fixing nut and an adjusting nut are movably arranged on the threaded rods, and the fixing nut and the adjusting nut are respectively arranged on two sides of the through hole.
9. The driving device with the belt retracting function according to claim 1, further comprising a belt tensioning mechanism and a plurality of sets of limiting pulleys and limiting blocks, which are all arranged on the mounting rack;
the belt tensioning mechanism comprises a tensioning cylinder and a tensioning wheel driven by the tensioning cylinder; a channel for a belt to pass through is arranged between each group of limiting pulleys and the limiting block;
the bottom of take-up pulley be coaxial setting take-up reel with the take-up pulley, just the diameter of take-up reel is greater than the diameter of take-up pulley, be equipped with the joint portion that supplies the belt joint on the take-up pulley.
10. A method of taking up a tape using the drive apparatus with a tape take-up function as claimed in any one of claims 1 to 9, the method comprising the steps of:
the switching mechanism drives the third connecting structure to be separated from the first connecting structure, and switches the driving motor from the first mounting position to the second mounting position, and the third connecting structure is connected with the second connecting structure;
connecting one end of a belt to the take-up pulley;
the driving motor rotates to drive the belt take-up wheel to rotate, and the belt is wound on the belt take-up wheel.
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| CN202210512485.7A CN114608843B (en) | 2022-05-12 | 2022-05-12 | Driving device with tape collecting function and tape collecting method |
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| CN202210512485.7A CN114608843B (en) | 2022-05-12 | 2022-05-12 | Driving device with tape collecting function and tape collecting method |
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