Torque detection tool of power-assisted bicycle

Abstract

The utility model discloses a torque detection tool for a moped, which comprises a mounting box, the top of the mounting box is fixedly connected with a top plate, the top of the top plate is fixedly connected with a first connecting block, the first connecting block is hinged with a placing plate, a moped body is arranged above the placing plate, and the moped body is arranged above the placing plate. A simulation mechanism is arranged in the mounting box; the simulation mechanism comprises a separator plate fixedly connected in the installation box. The utility model relates to the technical field of power-assisted bicycle detection. According to the torque detection tool of the power-assisted bicycle, the inclination angle of the placement plate can be adjusted through the arranged simulation mechanism, so that uphill or downhill with different inclinations can be simulated, and the power-assisted bicycle body can run on different ramps; and meanwhile, real-time transmission torque can be obtained through a torque sensor on the power-assisted bicycle body, so that the power of the motor can be debugged, and detection and use are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of power-assisted bicycle detection, in particular to a torque detection tool for a power-assisted bicycle. Background Art

[0002] An electric power-assisted bicycle is a bicycle that is assisted by a small electric motor. It helps people to travel smoothly in mountainous areas or in strong headwinds. Compared with traditional bicycles, electric power-assisted bicycles have the characteristics of fast speed, labor saving and long riding distance.

[0003] The announcement number CN 210653525 U discloses a torque sensor for power-assisted bicycles and a power-assisted bicycle, wherein the torque sensor for power-assisted bicycles includes a central axis, a strain detection unit arranged on the central axis, an induction coil, and a signal processing unit electrically connected to the induction coil; the induction coil is arranged along the periphery of the strain detection unit; the strain detection unit includes a plurality of strain detection strips uniformly coated on the outer side wall of the central axis along the circumference of the central axis, and the two ends of the strain detection strips are free ends. The practical new type improves the stability of the strain detection unit installed on the central axis, and improves the sensitivity of the strain detection unit to the change of magnetic permeability under the action of torque.

[0004] However, the power-assisted bicycle has the following shortcomings: when in use, the power-assisted bicycle can monitor the torque generated by the motor drive in real time through a torque sensor installed on the body; however, the power-assisted bicycle often encounters different driving environments during driving, and its torque will change when going uphill or downhill. At this time, the motor will make corresponding adjustments according to the torque size to facilitate driving the power-assisted bicycle to travel smoothly, and the relevant adjustments of the motor need to be debugged by the operator, and at this time, a torque detection tooling is needed.

[0005] To this end, the utility model provides a torque detection tool for a power-assisted bicycle to solve the above-mentioned problem. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a torque detection tool for a power-assisted bicycle, which solves the above-mentioned problems.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a torque detection tool for a power-assisted bicycle, comprising a mounting box, a top plate is fixedly connected to the top of the mounting box, a first connecting block is fixedly connected to the top of the top plate, a placement plate is hingedly connected to the first connecting block, a power-assisted bicycle body is arranged above the placement plate, and a simulation mechanism is arranged in the mounting box;

[0008] The simulation mechanism includes a partition fixedly connected in the installation box, and four threaded rods are rotatably connected to the partition, and the four threaded rods are threadedly sleeved with a lifting plate, one side of the four lifting plates is fixedly connected with an extension sleeve, the top ends of the four extension sleeves are slidably extended to the outside of the installation box, and the top ends of the four extension sleeves are hingedly connected to a second connecting block, and the second connecting block is hinged to the bottom of the placement plate.

[0009] Preferably, the four threaded rods are fixedly sleeved with driven bevel gears, two support plates are fixedly connected in the installation box, two transmission shafts are rotatably connected between the two support plates, both ends of the two transmission shafts are fixedly connected with active bevel gears, the active bevel gears are meshed with the corresponding driven bevel gears, and the four threaded rods can be conveniently driven to rotate synchronously by using the arranged driven bevel gears, support plates, transmission shafts and active bevel gears, and the threaded rods distributed on different sides can be rotated in the opposite direction.

[0010] Preferably, the two transmission shafts are both fixedly sleeved with synchronous wheels, and a same synchronous belt is wound between the two synchronous wheels. The synchronous wheels and the synchronous belt can be used together to facilitate the synchronous rotation of the two transmission shafts.

[0011] Preferably, a linkage gear is fixedly provided on the corresponding transmission shaft, a drive motor is fixedly connected in the installation box, a drive gear is fixedly connected to the output shaft of the drive motor, and the drive gear is meshed with the linkage gear. The connected transmission shaft can be conveniently controlled to rotate by using the arranged linkage gear, drive motor and drive gear in combination.

[0012] Preferably, four positioning rods are fixedly connected to the top of the partition, and the top ends of the four positioning rods are slidably extended into the corresponding extension sleeves respectively. The extension sleeves can be limited by the provided positioning rods to make their movement smoother.

[0013] Preferably, two mounting grooves are provided on the top of the placement plate, and rollers are rotatably connected in both mounting grooves, and the rollers are in contact with the power-assisted bicycle body; two first support frames are fixedly connected to the top of the placement plate, and the first support frames are in contact with the power-assisted bicycle body; a plurality of symmetrically distributed second support frames are fixedly connected to the top of the placement plate, and a soft pad is fixedly connected to one side of the second support frame, and one side of the soft pad is in contact with the power-assisted bicycle body; the power-assisted bicycle body can be supported by using the mounting grooves, rollers, first support frames, second support frames and soft pads in combination, so that it stands upright on the placement plate.

[0014] Preferably, the power-assisted bicycle body is provided with a weight adjusting box, and a plurality of counterweights are arranged in the weight adjusting box. The weight adjusting box and the plurality of counterweights placed therein can simulate different load conditions, which is convenient for detection and use.

[0015] Preferably, a slope sensor is fixedly connected to the top of the placement plate, and a control panel is fixedly connected to the outer wall of one side of the installation box. The slope sensor can conveniently detect the inclination angle of the placement plate, and the control panel can be conveniently connected to related electrical components to facilitate data detection.

[0016] Beneficial Effects

[0017] The utility model provides a torque detection tool for a power-assisted bicycle. Compared with the prior art, the utility model has the following beneficial effects:

[0018] (1) The torque detection tooling of the power-assisted bicycle can adjust the inclination angle of the placement plate through the provided simulation mechanism, thereby simulating uphill or downhill slopes of different slopes, so that the power-assisted bicycle body can travel on different slopes. At the same time, the torque sensor on the power-assisted bicycle body can obtain the real-time transmission torque, so that the power of the motor can be debugged, which is convenient for detection and use.

[0019] (2) The torque detection tooling of the power-assisted bicycle can support the power-assisted bicycle body by using the roller, the first support frame and the second support frame arranged on the placement plate, so that the bicycle body can stand upright on the placement plate. At the same time, the weight adjustment box and the multiple counterweights placed inside the weight adjustment box can simulate different load conditions, which is convenient for detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0021] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0022] Figure 3 It is a side view cross-sectional structural schematic diagram of the installation box in the utility model;

[0023] Figure 4 It is a schematic diagram of the cross-sectional structure of the installation box in the utility model from top view;

[0024] Figure 5 It is a relevant assembly drawing of the extension sleeve in the utility model.

[0025] In the figure: 1. installation box; 2. top plate; 3. first connecting block; 4. placement plate; 5. power-assisted bicycle body; 6. partition; 7. threaded rod; 8. lifting plate; 9. extension sleeve; 10. second connecting block; 11. driven bevel gear; 12. support plate; 13. transmission shaft; 14. driving bevel gear; 15. synchronous wheel; 16. synchronous belt; 17. linkage gear; 18. driving motor; 19. driving gear; 20. positioning rod; 21. installation groove; 22. roller; 23. first supporting frame; 24. second supporting frame; 25. cushion; 26. weight adjustment box; 27. counterweight block; 28. slope sensor; 29. ​​control panel. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1:

[0028] See also Figures 1 to 5 A torque detection tool for a power-assisted bicycle comprises an installation box 1, a top plate 2 is fixedly connected to the top of the installation box 1, a first connection block 3 is fixedly connected to the top of the top plate 2, a placement plate 4 is hingedly connected to the first connection block 3, a power-assisted bicycle body 5 is arranged above the placement plate 4, and a simulation mechanism is arranged in the installation box 1;

[0029] The simulation mechanism includes a partition 6 fixedly connected to the installation box 1, and four threaded rods 7 are rotatably connected to the partition 6. The four threaded rods 7 are all threadedly sleeved with a lifting plate 8. One side of the four lifting plates 8 is fixedly connected with an extension sleeve 9. The tops of the four extension sleeves 9 are slidably extended to the outside of the installation box 1. The tops of the four extension sleeves 9 are hingedly connected to a second connecting block 10, and the second connecting block 10 is hinged to the bottom of the placement plate 4; the four threaded rods 7 are fixedly sleeved with a driven bevel gear 11, and two support plates 12 are fixedly connected in the installation box 1. The two support plates Two transmission shafts 13 are rotatably connected between the two transmission shafts 12, and both ends of the two transmission shafts 13 are fixedly connected with active bevel gears 14, and the active bevel gear 14 is meshed with the corresponding driven bevel gear 11; the two transmission shafts 13 are fixedly sleeved with synchronous wheels 15, and the same synchronous belt 16 is wound between the two synchronous wheels 15; the corresponding transmission shafts 13 are fixedly sleeved with linkage gears 17, and a driving motor 18 is fixedly connected in the installation box 1, and a driving gear 19 is fixedly connected to the output shaft of the driving motor 18, and the driving gear 19 is meshed with the linkage gear 17.

[0030] Embodiment 2:

[0031] See also Figures 1 to 5 This embodiment provides a technical solution based on the first embodiment: four positioning rods 20 are fixedly connected to the top of the partition 6, and the top ends of the four positioning rods 20 slide and extend into the corresponding extension sleeves 9 respectively; two installation grooves 21 are provided on the top of the placement plate 4, and rollers 22 are rotatably connected in the two installation grooves 21, and the rollers 22 are in contact with the power-assisted bicycle body 5. Two first support frames 23 are fixedly connected to the top of the placement plate 4, and the first support frame 23 is in contact with the power-assisted bicycle body 5. A plurality of symmetrically distributed second support frames are fixedly connected to the top of the placement plate 4 24, a soft pad 25 is fixedly connected to one side of the second support frame 24, and the soft pad 25 is made of rubber material. One side of the soft pad 25 is in contact with the power-assisted bicycle body 5; a weight adjustment box 26 is arranged on the power-assisted bicycle body 5, and a plurality of counterweight blocks 27 are arranged in the weight adjustment box 26; a slope sensor 28 is fixedly connected to the top of the placement plate 4, and a control panel 29 is fixedly connected to the outer wall of one side of the installation box 1, and the control panel 29 is electrically connected to the internal related components of the power-assisted bicycle body 5, and the control panel 29 is electrically connected to the drive motor 18 and the slope sensor 28.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] Working principle: When in use, the power-assisted bicycle body 5 is placed on the placement plate 4, with its front wheel placed between two first support frames 23, the frame between multiple second support frames 24, and the rear wheel placed on two rollers 22. Then, by adjusting the inclination angle of the placement plate 4 to simulate different driving environments, the drive motor 18 can be started, and the drive motor 18 drives the linkage gear 17 meshing with it to rotate through the drive gear 19, and the linkage gear 17 drives the connected transmission shaft 13 to rotate, and the transmission shaft 13 drives another transmission shaft 13 to rotate through the synchronous wheel 15 and the synchronous belt 16. At this time, the two transmission shafts 13 rotate synchronously. The transmission shaft 13 drives the active bevel gear 14 to rotate, the active bevel gear 14 drives the driven bevel gear 11 meshing therewith to rotate, and the driven bevel gear 11 drives the connected threaded rod 7 to rotate. At this time, the threaded rods 7 on both sides keep rotating synchronously in opposite directions, the lifting plate 8 on one side rises, and the lifting plate 8 on the other side falls, thereby pulling the placement plate 4 to rotate, simulating an uphill or downhill driving environment. At this time, the torque sensor on the power-assisted bicycle body 5 can transmit the detected driving torque and the output power of the motor to the control panel 29, and the background personnel analyze the data for later debugging.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A torque detection tool for a power-assisted bicycle, comprising a mounting box (1), characterized in that: The top of the installation box (1) is fixedly connected to a top plate (2), the top of the top plate (2) is fixedly connected to a first connection block (3), a placement plate (4) is hingedly connected to the first connection block (3), a power-assisted bicycle body (5) is arranged above the placement plate (4), and a simulation mechanism is arranged inside the installation box (1); The simulation mechanism comprises a partition (6) fixedly connected in the installation box (1), four threaded rods (7) rotatably connected to and passing through the partition (6), the four threaded rods (7) are all threadedly sleeved with a lifting plate (8), one side of the four lifting plates (8) is fixedly connected with an extension sleeve (9), the top ends of the four extension sleeves (9) are slidably extended to the outside of the installation box (1), the top ends of the four extension sleeves (9) are hingedly connected to a second connection block (10), and the second connection block (10) is hingedly connected to the bottom of the placement plate (4).

2. The torque detection tool for a power-assisted bicycle according to claim 1, characterized in that: A driven bevel gear (11) is fixedly sleeved on each of the four threaded rods (7); two support plates (12) are fixedly connected in the installation box (1); two transmission shafts (13) are rotatably connected between the two support plates (12); both ends of the two transmission shafts (13) are fixedly connected with a driving bevel gear (14); the driving bevel gear (14) is meshed with the corresponding driven bevel gear (11).

3. The torque detection tool for a power-assisted bicycle according to claim 2, characterized in that: The two transmission shafts (13) are both fixedly sleeved with synchronous wheels (15), and a synchronous belt (16) is wound between the two synchronous wheels (15).

4. The torque detection tool for a power-assisted bicycle according to claim 3, characterized in that: A linkage gear (17) is fixedly sleeved on the corresponding transmission shaft (13); a drive motor (18) is fixedly connected inside the installation box (1); a drive gear (19) is fixedly connected to the output shaft of the drive motor (18); and the drive gear (19) is meshed with the linkage gear (17).

5. The torque detection tool for a power-assisted bicycle according to claim 1, characterized in that: Four positioning rods (20) are fixedly connected to the top of the partition (6), and the top ends of the four positioning rods (20) are slidably extended into corresponding extension sleeves (9) respectively.

6. The torque detection tool for a power-assisted bicycle according to claim 1, characterized in that: The top of the placement plate (4) is provided with two installation grooves (21), and rollers (22) are rotatably connected in the two installation grooves (21), and the rollers (22) are in contact with the power-assisted bicycle body (5). The top of the placement plate (4) is fixedly connected with two first support frames (23), and the first support frames (23) are in contact with the power-assisted bicycle body (5). The top of the placement plate (4) is fixedly connected with a plurality of symmetrically distributed second support frames (24), and one side of the second support frame (24) is fixedly connected with a soft pad (25), and one side of the soft pad (25) is in contact with the power-assisted bicycle body (5).

7. The torque detection tool for a power-assisted bicycle according to claim 1, characterized in that: The power-assisted bicycle body (5) is provided with a weight adjustment box (26), and a plurality of counterweight blocks (27) are arranged in the weight adjustment box (26).

8. The torque detection tool for a power-assisted bicycle according to claim 1, characterized in that: A slope sensor (28) is fixedly connected to the top of the placement plate (4), and a control panel (29) is fixedly connected to an outer wall of one side of the installation box (1).

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