Synchronous belt travel mechanism

Abstract

The present application discloses a synchronous belt type walking mechanism, including a frame, a driving motor arranged on the frame, a driving wheel connected to the driving motor in rotation, and a driven wheel moving synchronously with the driving wheel, the driving wheel and the driven wheel on the same side are provided with synchronous belts, the frame is provided with a tensioning device for adjusting the center distance of the synchronous belt, the tensioning device includes a tensioning plate, a locking member and a limiting member which are sleeved on the support shaft and can drive the support shaft to rotate; the locking member can lock or unlock the tensioning plate, and the limiting member limits the position of the tensioning plate after it is in a tensioned state. The present application can realize rapid tensioning and relaxation of the synchronous belt by locking / releasing the locking member of the tensioning device and pulling the tensioning plate forward and backward, and maintains the axial tension of the support shaft by the axial force provided by the limiting member, which is simple to operate and has high synchronization, and can greatly reduce the time for tensioning or replacing the synchronous belt, thereby improving efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of photovoltaic power station detection, and in particular to a synchronous belt type walking mechanism. Background Art

[0002] The existing belt walking mechanism tensioning method mainly includes adding an additional tensioning wheel to tension the pulley of the crawler vehicle. This tensioning method is relatively expensive and requires additional space to install the tensioning wheel, which is limited by usage conditions. Another method is to use a hydraulic mechanism to adjust the belt tension. The hydraulic mechanism is usually complex in structure, cumbersome to control, and has low energy efficiency.

[0003] Therefore, a mechanism with a simple structure, easy operation and the ability to quickly adjust the tension of the belt of a belt-type traveling mechanism is needed to meet the use requirements. Summary of the invention

[0004] In order to solve the above-mentioned technical problems, the present application provides a synchronous belt travel mechanism with a tensioning device having a simple structure and convenient operation.

[0005] The camshaft is an axially-guided wheel that is arranged on the frame, and a plurality of camshafts are arranged on the frame to cam the camshafts together to form a plurality of camshafts that are adapted to move the camshafts. The cam-shaped tire pressure gauge as claimed in claim 1, wherein the first and second control parts are pivotally connected to each other with a bolt, and the bolt has a round shank to contact with the first and second control parts.

[0006] Furthermore, the tensioning plate is arranged on the outer sides of the first frame and the second frame, and mounting seats are respectively arranged on the inner sides of the first frame and the second frame. The positioning pin and the rotating column coaxially pass through the mounting seats and are respectively assembled and abutted against the tensioning plate.

[0007] Furthermore, the support shaft is provided with an assembly part adapted to the first shaft hole, and the left and right ends of the assembly part are provided with a first groove and a second groove for accommodating an elastic retaining ring, the elastic retaining ring located in the first groove is abutted against the outer wall of the rotating part, and the elastic retaining ring located in the second groove is abutted against the inner wall of the horizontal waist-shaped groove.

[0008] Furthermore, the positioning hole and the positioning pin are coaxial after assembly.

[0009] Furthermore, the positioning hole is located between the first shaft hole and the tensioning slot.

[0010] Furthermore, the mounting seat has a main body and a receiving portion extending and protruding from the middle of the main body, the receiving portion has a through hole passing through the main body at the center, the rotating column includes a base provided with a center hole and a clamping portion connected to the base, the base of the rotating column is sleeved in the receiving portion and passes through the through hole to abut against the tensioning plate, the positioning pin includes a pin shaft and a rotating cap plug, the pin shaft of the positioning pin passes through the center hole of the rotating column and is assembled and fixed with the positioning hole of the tensioning plate.

[0011] Furthermore, the rotary cap plug has a head and a clamping block connected to the head, and the clamping block can be clamped with the clamping portion to lock the tensioning plate.

[0012] Furthermore, a supporting wheel assembly is provided between the driving wheel and the driven wheel located on the same side, and the supporting wheel assembly abuts against the synchronous belt.

[0013] Compared with the prior art, the present application has the following beneficial effects: the present application can realize rapid tensioning and relaxation of the synchronous belt by locking / releasing the locking member of the tensioning device and pulling the tensioning plate forward and backward, and utilizes the axial force provided by the limit member to maintain the axial tension of the support shaft. The operation is simple and the synchronization is high. The time for tensioning or replacing the synchronous belt can be greatly reduced, thereby improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of a three-dimensional assembly of a synchronous belt type walking mechanism of an exemplary embodiment;

[0015] Figure 2 is a schematic top view of a synchronous belt type walking mechanism of an exemplary embodiment;

[0016] Figure 3 It is a schematic front view of a synchronous belt type walking mechanism of an exemplary embodiment;

[0017] Figure 4 is a schematic diagram of a partial assembly of a tensioning device and a first frame of another exemplary embodiment;

[0018] Figure 5 yes Figure 1 A local enlarged schematic diagram of the middle A;

[0019] Figure 6 is a perspective exploded schematic diagram of a tensioning device and a support shaft of an exemplary embodiment;

[0020] Figure 7 is a perspective exploded schematic diagram of a locking member and a mounting seat of an exemplary embodiment;

[0021] Figure 8 is a comparative schematic diagram of a tensioning device of an exemplary embodiment in a tensioned / relaxed state;

[0022] Fig. 9 is a front view of an exemplary embodiment tensioning plate.

[0023] Reference Numbers

[0024] 100- synchronous belt travel mechanism,

[0025] 1-driving motor, 11-first frame, 12-second frame,

[0026] 13- third frame, 14- fourth frame, 15- horizontal waist groove,

[0027] 2-driving wheel, 3-driven wheel, 4-synchronous belt,

[0028] 5-support shaft, 51-assembly portion, 52-first groove,

[0029] 53-second groove, 54-elastic retaining ring,

[0030] 6-tensioning device, 60-tensioning plate,

[0031] 601-rotating part, 602-first shaft hole, 603-positioning hole,

[0032] 604-arc slide, 605-tensioning slot, 606-grip portion,

[0033] 61-locking piece, 610-locating pin, 611-pin shaft,

[0034] 612-rotating cap plug, 613-head, 614-block,

[0035] 615-rotating column, 616-base, 617-engaging part,

[0036] 62-limiting member, 620-assembly body, 621-rotating member,

[0037] 63-mounting seat, 630-body, 631-housing part,

[0038] 632-through hole, 633-mounting hole,

[0039] 7-Support wheel assembly. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application for which protection is sought, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0041] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0042] In addition, it should be understood that although the terms first, second, third, etc. may be used in the present application to describe various information, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining".

[0043] The terms used in this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The singular forms of "a", "said" and "the" used in this application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically limited. It should also be understood that the term "and / or" used in this article refers to and includes any or all possible combinations of one or more associated listed items.

[0044] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0045] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0046] Please refer to Figures 1 to 9 As shown, the present application provides a synchronous belt type walking mechanism 100, comprising a frame, a driving motor 1 arranged on the frame, a driving wheel 2 connected to the driving motor 1 in rotation, and a driven wheel 3 moving synchronously with the driving wheel 2. The driving wheel 2 and the driven wheel 3 located on the same side are provided with a synchronous belt 4, and the frame comprises a first frame 11 and a second frame 12 arranged in parallel and parallel to the traveling direction of the walking mechanism, and a third frame 13 and a fourth frame 14 arranged in parallel and perpendicular to the traveling direction of the walking mechanism. The first frame 11 and the second frame 12 are respectively detachably assembled and fixed to the third frame 13 and the fourth frame 14. The driven wheel 3 is assembled at both ends of the support shaft 5 passing through the first frame 11 and the second frame 12, and the first frame 11 and the second frame 12 are respectively provided with a tensioning device 6 for adjusting the center distance of the synchronous belt 4. The tensioning device 6 comprises a tensioning plate 60, a locking member 61 and a limiting member 62 which are sleeved on the support shaft 5 and can drive it to rotate. The locking member 61 can lock or unlock the tensioning plate 60, and the limiting member 62 limits the position of the tensioning plate 60 after it is in the tensioned state. Specifically, when the locking member 61 and the tensioning plate 60 are in an assembled state, the limiting member 62 is used to limit the axial force applied to the tensioning plate 60 to achieve axial tensioning of the support shaft 5, so that the center distance between the driving wheel 2 and the driven wheel 3 is within the center distance value range after the synchronous belt 4 is tensioned. The outer cover of the driving motor 1 is provided with a protective shell, and the protective shell is assembled with the first frame 11 and the second frame 12.

[0047] In the present application, the first frame 11 and the second frame 12 of the synchronous belt type traveling mechanism 100 are both provided with a tensioning device 6 near the driven wheel 3 to meet the tensioning requirements of the synchronous belt 4 on the left and right sides of the traveling mechanism; the tensioning devices 6 provided on both sides have the same structural setting. The following takes the tensioning device 6 provided on the side of the first frame 11 as an example to describe its structure.

[0048] Specifically, the tensioning plate 60 includes a rotating portion 601 and a gripping portion 606 integrally formed with the rotating portion 601. The rotating portion 601 is provided with a first shaft hole 602, and the support shaft 5 passes through the first shaft hole 602 and is assembled with the tensioning plate 60. The gripping portion 606 is designed as a waist-shaped handle, which is ergonomic and convenient for adjusting the tension of the synchronous belt 4 or pushing and pulling the tensioning plate 60 forward and backward when replacing it.

[0049] The rotating part 601 of the tensioning plate 60 is provided with an arc-shaped slide 604 that can slide against the limiter 62, and the lower part of the gripping part 606 is provided with an arc-shaped tensioning slot 605 for accommodating the limiter 62, and the tensioning slot 605 is tangent to the arc of the arc-shaped slide 604. When the synchronous belt 4 is tensioned, the limiter 62 can enter the tensioning slot 605 along the arc-shaped slide 604; the arc radius of the tensioning slot 605 is consistent with the outer diameter of the limiter 62, and after tensioning, the axial force applied by the limiter 62 to the tensioning slot 605 realizes the axial tensioning of the support shaft 5. The arc size of the arc-shaped slide is designed according to the tensioning needs, and the larger the arc size, the larger the tensioning adjustment range.

[0050] The tensioning plate 60 is arranged on the outside of the first frame 11 and the second frame 12, and the locking member 61 includes a positioning pin 610 and a rotating column 615 adapted to the positioning pin 610. Mounting seats 63 are respectively arranged on the inside of the first frame 11 and the second frame 12. The positioning pin 610 and the rotating column 615 coaxially pass through the mounting seat 63 and are respectively assembled and abutted against the tensioning plate 60. The tensioning plate 60 is arranged on the outside of the first frame 11 and the second frame 12 to ensure that there is enough space to facilitate the tensioning operation of the synchronous belt 4. The mounting seat 63 is provided with a mounting hole 633, and the mounting seat 63 is fixedly assembled on the first frame 11 and the second frame 12 by means of screws passing through the mounting holes; the assembly structure of the locking member is simple and easy to assemble by using the mounting seat.

[0051] The first frame 11 and the second frame 12 are provided with a horizontal waist groove 15 for adjusting the position of the support shaft 5. The support shaft 5 is provided with an assembly portion 51 adapted to the first shaft hole 602. The left and right ends of the assembly portion 51 are provided with a first groove 52 and a second groove 53 for accommodating an elastic retaining ring 54. The elastic retaining ring 54 in the first groove 52 abuts against the outer wall of the rotating portion 601, and the elastic retaining ring 54 in the second groove 53 abuts against the inner wall of the horizontal waist groove 15. The assembly portion 51 of the support shaft 5 passes through the first shaft hole 602 and the elastic retaining ring 54 in the first groove 52 and the second groove 53 are used to limit the tensioning plate 60 in the axial direction, thereby ensuring the overall stability of the walking mechanism when working; the first frame and the second frame are provided with a horizontal waist groove at the assembly of the support shaft, so as to ensure that during the tensioning and relaxing operation of the synchronous belt, the support shaft and the driven wheel can move in the horizontal direction to achieve the purpose of adjusting the center distance of the synchronous belt. In an exemplary embodiment, the first groove 52 and the second groove 53 are concentric rings arranged along the axial direction of the support shaft 5. The radial dimension of the circlip is larger than the radial dimension of the support shaft and the vertical height of the horizontal waist groove, and in order to ensure that the circlip has good stability in different walking modes of the walking mechanism, such as turning, going uphill and downhill, and emergency stop, a lug can be provided on the circlip.

[0052] The tensioning plate 60 is provided with a positioning hole 603, and the end of the positioning pin 610 is inserted into the positioning hole 603 to lock the tensioning plate 60. The positioning hole 603 and the positioning pin 610 are coaxial after assembly. The locking member adopts the method of matching the positioning pin and the positioning hole to realize assembly and fixation with the tensioning plate, which has a simple structure, low cost and reliable locking effect.

[0053] The limiting member 62 is disposed on the same side of the tensioning plate 60. The positioning hole 603 is located between the first shaft hole 602 and the tensioning slot 605. The limiting member 62 includes an assembly 620 and a rigid rotating member 621 sleeved on the assembly 620; the assembly is assembled with the first frame and the second frame, and the rigid rotating member 621 can be received in the arc-shaped tensioning slot 605 to limit the tensioning plate 60. In an exemplary embodiment, the assembly 620 is a screw and is assembled and fixed by a nut, and the rigid rotating member 621 is a rotating bearing sleeved on the screw; the rotating bearing can increase the smoothness of the operation of the tensioning plate 60.

[0054] In one embodiment, the mounting seat 63 has a body 630 and a receiving portion 631 extending and protruding from the middle of the body, and a through hole 632 passing through the body is provided in the center of the receiving portion 631. The rotating column 615 includes a base 616 provided with a center hole and a clamping portion 617 connected to the base 616. The base 616 of the rotating column 615 is sleeved in the receiving portion 631 and passes through the through hole 632 to abut against the tensioning plate 60. The positioning pin 610 includes a pin shaft 611 and a rotating cap plug 612. The pin shaft 611 of the positioning pin 610 passes through the center hole of the rotating column 615 and is assembled and fixed with the positioning hole 603 of the tensioning plate 60. The rotating cap plug 612 has a head 613 and a clamping block 614 connected to the head 613. The clamping block can be clamped with the clamping portion to lock the tensioning plate. The receiving portion can be set to any form with a center through hole structure, preferably a cylindrical structure for easy processing.

[0055] In an exemplary embodiment, a support wheel assembly 7 is provided between the driving wheel 2 and the driven wheel 3 on the same side, and the support wheel assembly 7 abuts against the synchronous belt 4. The support wheel assembly can provide a certain support to the synchronous belt, and ensure good contact between the synchronous belt and the driving wheel and the driven wheel when the walking mechanism is overcoming obstacles, turning, etc.

[0056] In the exemplary embodiment of the present application, the tensioning plate is made of nylon, which is not only easy to process but also avoids metal friction with the limiter and has a reliable structure.

[0057] The present application can realize rapid tensioning and relaxation of the synchronous belt by locking / releasing the locking piece and pulling the handle of the tensioning plate forward and backward. The operation is simple and the synchronization is high. The time for tensioning or replacing the synchronous belt can be greatly reduced, thereby improving efficiency.

[0058] The assembly method of the synchronous belt walking mechanism of the present application includes: 1) installing and tensioning the synchronous belt: passing the support shaft through the horizontal waist-shaped grooves of the first frame and the second frame; 2) the tensioning plate passes through the support shaft and fits with the two side baffles of the first frame and the second frame, and is axially fixed with the help of elastic retaining rings; 3) installing driven wheels at both ends of the support shaft; after the installation is completed, put the synchronous belt on the driving wheel and the driven wheel, rotate the locking piece so that its locating pin passes through the corresponding locating hole of the tensioning plate, and at the same time push the arc-shaped tensioning plate handle forward so that its arc-shaped tensioning slot fits with the limit piece, so as to achieve the overall tensioning of the entire driven wheel.

[0059] When the synchronous belt has been used for too long or is damaged, it needs to be replaced. At this time, the locking members on both sides of the first frame and the second frame are rotated at the same time to retract their positioning pins. At this time, the tensioning plate is in a released state. The tensioning plate is turned clockwise to remove the synchronous belt to be replaced.

[0060] The following is combined with Figure 8 The working principle of the tensioning device of the present application is explained as follows: in the figure, a is the center distance of the synchronous belt, b is the distance between the driving wheel and the limiter, c is the distance between the limiter and the driven wheel, and d is the distance between the limiter and the locking member, wherein the limiter is installed on the upper left side of the support shaft, and the locking member is located between the limiter and the support shaft. No specific size requirements are required. The calculation formula for the center distance a after the synchronous belt is tensioned is as follows:

[0061] a=b+c

[0062] After the installation position of the limiter is determined, b is a fixed value, so the center distance a of the synchronous belt after the synchronous belt is tensioned can be achieved by simply controlling the size of c.

[0063] Please refer to Fig. 9 As shown, when the walking mechanism runs for a long time and the synchronous belt is deformed and loosened, it is only necessary to offset the first shaft hole corresponding to the tensioning plate to the right by a distance e. The size of e depends on the degree of relaxation of the synchronous belt. By replacing the offset tensioning plate, the secondary tensioning of the trolley synchronous belt can be achieved.

[0064] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A synchronous belt type walking mechanism, characterized in that: The camshaft is an axially-guided wheel which is arranged on the frame and is used for guiding the camshaft to move along the camshaft, and the camshaft is actuated to guide the camshaft to move along the camshaft. The locking member comprises a locating pin and a rotating column matched with the locating pin, and the locating pin is inserted into the locating hole to lock the tensioning plate. The locking member can lock or unlock the tensioning plate. The limiting member is arranged on the same side of the tensioning plate, and the limiting member comprises an assembly and a rigid rotating member sleeved on the assembly, and the assembly is assembled with the first frame and the second frame. The rotating part of the tensioning plate is provided with an arc slide table that can be slidably abutted against the limiting member, and an arc-shaped tensioning slot for accommodating the limiting member is provided below the gripping member, and the tensioning slot is tangent to the arc of the arc slide table, and the rigid rotating member can be accommodated in the arc-shaped tensioning slot to limit the tensioning plate.

2. The synchronous belt travel mechanism according to claim 1, characterized in that: The tensioning plate is arranged on the outer sides of the first frame and the second frame, and mounting seats are respectively arranged on the inner sides of the first frame and the second frame. The positioning pin and the rotating column coaxially pass through the mounting seats and are respectively assembled and abutted against the tensioning plate.

3. The synchronous belt travel mechanism according to claim 2, characterized in that: The support shaft is provided with an assembly part adapted to the first shaft hole, and the left and right ends of the assembly part are provided with a first groove and a second groove for accommodating an elastic retaining ring. The elastic retaining ring located in the first groove abuts against the outer side wall of the rotating part, and the elastic retaining ring located in the second groove abuts against the inner side wall of the horizontal waist-shaped groove.

4. The synchronous belt travel mechanism according to claim 2 or 3, characterized in that: The positioning hole and the positioning pin are coaxial after being assembled.

5. The synchronous belt travel mechanism according to claim 4, characterized in that: The positioning hole is located between the first shaft hole and the tensioning slot.

6. The synchronous belt travel mechanism according to claim 5, characterized in that: The mounting seat comprises a main body and a receiving portion extending and protruding from the middle of the main body, a through hole passing through the main body is provided at the center of the receiving portion, the rotating column comprises a base with a center hole and a clamping portion connected to the base, the base of the rotating column is sleeved in the receiving portion and passes through the through hole to abut against the tensioning plate, the positioning pin comprises a pin shaft and a rotating cap plug, the pin shaft of the positioning pin passes through the center hole of the rotating column and is assembled and fixed with the positioning hole of the tensioning plate.

7. The synchronous belt travel mechanism according to claim 6, characterized in that: The rotary cap plug comprises a head and a clamping block connected to the head, and the clamping block can be clamped with the clamping portion to lock the tensioning plate.

8. The synchronous belt travel mechanism according to any one of claims 1 to 3 or any one of claims 5 to 7, characterized in that: A supporting wheel assembly is provided between the driving wheel and the driven wheel located on the same side, and the supporting wheel assembly abuts against the synchronous belt.

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