Wheel track belt conveyor with movable walking rails

Abstract

The invention relates to a wheel rail belt conveyor with a movable walking rail, and belongs to the technical field of material transportation. Comprising a first roller, a first roller, a second roller, a second roller, a conveying belt surrounding the first roller and the second roller, and a walking rail surrounding the first roller and the second roller. The walking rail comprises an upper walking rail and a lower walking rail; a trailer which can be opened and closed is arranged in the annular interior of the conveying belt and runs on a running rail; the reversing mechanism is in lap joint with the upper walking rail and the lower walking rail, and the arc-shaped groove rail is arranged on the outer side of the reversing mechanism in a surrounding mode. The toggling mechanism and the rocker mechanism are arranged on the trailer, when the trailer runs to the reversing mechanism from the walking rail, the toggling mechanism enters the grooved rail and makes contact with the side wall of the grooved rail to rotate, the rocker mechanism is driven to rotate, and opening and closing of the trailer are achieved. Various modes for driving the trailer to run can be achieved, the performance of all parts of the conveyor is fully played, the strength requirement of a conveying belt is lowered, and equipment investment is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of material transportation and relates to a wheel-rail belt conveyor with a movable running rail. Background Art

[0002] With the rapid development of production technology, green and low-carbon has become an unavoidable theme. In this context, as an important link in industrial production, the energy consumption problem of bulk material conveying system in its operation process has become increasingly prominent, attracting widespread attention from both inside and outside the industry. In order to respond to the call for energy conservation and emission reduction, improve production efficiency and reduce operating costs, it is particularly important to develop new and efficient bulk material conveying systems.

[0003] As a new type of belt conveyor, the wheel-rail conveyor has shown great potential in the field of bulk material transportation due to its unique operating principle and structural design. The core of this model is to use a trolley to carry the conveyor belt, and use the power of the conveyor belt to drive the trolley to run on the track, so as to achieve fast and stable transportation of materials. This design not only improves the transportation efficiency, but also reduces energy consumption and environmental pollution, which is in line with the development trend of green and low-carbon.

[0004] As one of the important components of the wheel-rail belt conveyor, the performance and structure of the trolley have a crucial impact on the overall performance of the conveyor. However, in the prior art, the conveyor belt and the trolley are usually designed with their own independent circular motion trajectories. In order to facilitate the separation or combination of the conveyor belt and the trolley during operation, an open trolley and a transition-flipped conveyor belt are often used, and the separation and combination of the conveyor belt and the trolley are achieved by repeatedly flipping the conveyor belt. This structure also has a series of problems in the current production and transportation process.

[0005] There is a significant limitation in the current wheel-rail conveyor technology, especially at the critical position where the trolley changes direction at the head and tail. Specifically, the conveyor belt cannot return directly and smoothly to the support surface of the trolley at these positions. In order to overcome this technical obstacle, an extremely complex and long-extending turning mechanism must be designed and installed to ensure that the conveyor belt can be accurately repositioned to the support surface of the trolley after passing the turning point through multiple turnings, thereby maintaining the continuity and stability of the entire conveying system. However, this solution not only greatly increases the initial investment cost of the equipment, but also because the conveyor belt needs to undergo multiple turning actions during operation, this undoubtedly increases the energy consumption and wear of the conveyor belt and shortens its normal service life; because the conveyor belt requires a long transition turning section to achieve re-combination with the trolley, the overall length of the conveyor is increased, occupying more production space, and bringing additional burdens to the company's production operations.

[0006] Therefore, there is an urgent need for a technical solution that can solve the problems existing in the above-mentioned prior art. Summary of the invention

[0007] In view of this, an object of the present invention is to provide a wheel-rail belt conveyor with a movable running rail, which can realize a variety of driving modes of the trolley, give full play to the performance of various components of the conveyor, reduce the strength requirements of the conveyor belt, and reduce equipment investment.

[0008] In order to achieve the above object, the present invention provides the following technical solutions:

[0009] A wheel-rail belt conveyor with a movable running rail, comprising a first roller, a first drum, a second drum, and a second drum arranged side by side in sequence, a conveyor belt arranged around the first drum and the second drum, and a running rail arranged around the first drum and the second drum; the running rail comprises an upper running rail and a lower running rail parallel to the conveyor belt; an openable and closable trolley is arranged inside the annular ring of the conveyor belt, and the trolley runs on the running rail;

[0010] It also includes a reversing mechanism respectively overlapped with the upper running track and the lower running track, and an arc-shaped groove rail arranged around the outer side thereof; the trolley is provided with a toggle mechanism and a rocker mechanism connected to the toggle mechanism. When the trolley runs from the running rail to the reversing mechanism, the toggle mechanism enters the groove rail and contacts its side wall to rotate, driving the rocker mechanism to rotate, thereby realizing the opening and closing of the trolley.

[0011] Optionally, the trolley includes a frame, which is provided with a supporting surface for supporting a conveyor belt, the supporting surface is tilted at both ends along the width direction of the conveyor belt, and is in the shape of a groove with an opening facing a side away from the frame; the rocker mechanism includes a first rocker and a second rocker respectively arranged at the two tilted ends of the supporting surface; one end of each rocker is horizontally rotatably connected to the tilted end of the supporting surface, and when the first rocker and the second rocker are rotated close to each other to a closed state, they form a surrounding structure with the groove-shaped supporting surface; wheel groups are provided on both sides of the frame along the width direction of the conveyor belt, and the trolley runs on the running rails via the wheel groups.

[0012] Optionally, the frame is further provided with a first connecting mechanism for connecting adjacent frames.

[0013] Optionally, one end of the rocker mechanism close to the supporting surface is a rotating shaft end, and the toggle mechanism is arranged at the rotating shaft end; the toggle mechanism includes a toggle rod one end of which is vertically connected to the rocker mechanism, and the other end of the toggle rod is provided with a toggle wheel; the toggle rod and the toggle wheel are coaxially arranged; when the trolley runs from the running rail to the reversing mechanism, the toggle wheel enters the groove rail and contacts its side wall to rotate, driving the toggle rod and the rocker to rotate, thereby realizing the opening and closing of the trolley.

[0014] Optionally, a limiting mechanism for limiting the rotation range of the rocker mechanism is arranged on the rotating shaft end of the rocker mechanism; the limiting mechanism includes a first stopper and a second stopper respectively arranged on both sides of the rotation range of the rocker mechanism.

[0015] Optionally, a reset element is also provided on the rotating shaft end of the rocker mechanism.

[0016] Optionally, the reversing mechanism includes a second reversing wheel parallel to the axial direction of the first roller, and a first arc-shaped track and a second arc-shaped track are sequentially arranged around the outer side of the second reversing wheel.

[0017] Optionally, the upper running track is connected to the first curved track via a transition track, and the lower running track is connected to the second curved track via a transition track.

[0018] Optionally, the running rail is arranged on a support frame, and a second connecting mechanism is arranged on the outer side of the support frame, which is connected to the second connecting mechanism through a cable, so that several support frames arranged side by side are connected as a whole.

[0019] Optionally, it further includes a first reversing wheel, the running rail is wound around the first reversing wheel, and the reversal of the running rail is achieved by the rotation of the first reversing wheel.

[0020] The beneficial effects of the present invention are:

[0021] The tracks of the existing wheel-rail belt conveyors can only provide load-bearing function, while the present invention provides a wheel-rail belt conveyor with a movable running rail. The running rail drives the running rail to make a cyclic reciprocating rotation motion under the action of the first roller and the second roller, and then the running rail can drive the trolley to move along the running rail through friction; in the second case, the conveyor belt makes a cyclic reciprocating rotation motion under the action of the first roller and the second roller, and the conveyor belt can also drive the trolley to move along the running rail through friction; in the third case, the frames of several trolleys are connected by connecting ropes to form a trolley group, and under the drive of the third driving device and the action of the third roller, the connecting rope drives the trolley group to move on the running rail.

[0022] The present invention provides a variety of power driving modes, which can not only drive the trolley to move through the conveyor belt, but also drive the trolley to move through the running rails or connecting ropes, thereby achieving the purpose of transporting materials with the conveyor belt and giving full play to the performance of each component of the conveyor. Therefore, the strength requirements of the conveyor belt can be further reduced, and the equipment investment can be reduced.

[0023] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in detail below in conjunction with the accompanying drawings, wherein:

[0025] Figure 1 A three-dimensional axonometric diagram of the present invention;

[0026] Figure 2 is a side view of the present invention;

[0027] Figure 3 For the present invention Figure 2 AA section diagram;

[0028] Figure 4 For the present invention Figure 2 X-magnified view of

[0029] Figure 5 It is a three-dimensional axonometric diagram of the reversing mechanism of the present invention;

[0030] Figure 6 A three-dimensional axonometric diagram of the trailer of the present invention in a closed state;

[0031] Figure 7 It is a three-dimensional axonometric diagram of the trailer of the present invention in the opened state.

[0032] Reference numerals:

[0033] 1 first roller, 2 second roller, 3 conveyor belt, 4 connecting rope, 40 first connecting mechanism, 5 trailer, 51 frame, 52 wheel set, 53 rocker mechanism, 531 first rocker, 532 second rocker, 54 reset element, 55 toggle mechanism, 551 toggle rod, 552 toggle wheel, 6 reversing mechanism, 61 second reversing wheel, 62 first arc track, 63 second arc track, 7 running rail, 71 upper running rail, 72 lower running rail, 8 support frame, 81 support wheel, 82 second connecting mechanism, 9 groove rail, 10 cable, 11 top cover, 12 transition rail, 13 short roller, 14 third roller, 15 second driving device, 17 second tensioning device, 19 first roller, 20 second roller, 21 first tensioning device, 22 first reversing wheel, 23 first driving device. DETAILED DESCRIPTION

[0034] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner, and the following embodiments and features in the embodiments can be combined with each other without conflict.

[0035] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on the present invention. In order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of actual products. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0036] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "rear", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0037] See also Figure 1 to Figure 7, is a wheel-rail belt conveyor with a movable running rail, comprising a first roller 19, a first drum 1, a second drum 2, and a second roller 20 arranged side by side in sequence, and a conveyor belt 3 arranged around the first drum 1 and the second drum 2, and a running rail 7 arranged around the first roller 19 and the second roller 20; the running rail 7 comprises an upper running rail 71 and a lower running rail 72 parallel to the conveyor belt 3; a trolley 5 that can be opened and closed is arranged inside the annular shape of the conveyor belt 3, and the trolley 5 runs on the running rail 7. The running rail 7 is wound around the first reversing wheel 22, and the reversal of the running rail 7 is achieved by the rotation of the first reversing wheel 22. In some embodiments of the present invention, the running rail 7 can adopt a cable structure such as a wire rope or a steel cable.

[0038] The wheel-rail belt conveyor also includes a reversing mechanism 6 which is overlapped with the upper running rail 71 and the lower running rail 72 respectively, and an arc-shaped groove rail 9 which is arranged around the outer side thereof; a toggle mechanism 55 and a rocker mechanism 53 connected to the toggle mechanism 55 are arranged on the trolley 5, and the toggle mechanism 55 drives the rocker to rotate around it; when the trolley 5 runs from the running rail 7 to the reversing mechanism 6, the toggle mechanism 55 enters the groove rail 9 and contacts its side wall to rotate, driving the rocker mechanism 53 to rotate, thereby realizing the opening and closing of the trolley 5.

[0039] The upper running track 71 is located in the load-bearing section, and the lower running track 72 is located in the return section. The upper running track 71 and the lower running track 72 are parallel to each other and arranged in pairs. The single-side running track 7 is composed of the upper running track 71, the lower running track 72 and the reversing mechanism 6 to form a closed-loop structure.

[0040] The reversing mechanism 6 includes a second reversing wheel 61 parallel to the axial direction of the first roller 1, and the outer side of the second reversing wheel 61 is sequentially surrounded by a first arc track 62 and a second arc track 63. The two arc tracks are parallel and arranged in pairs, so the second reversing wheels 61 are also arranged coaxially side by side in pairs. A third roller 14 coaxial with the two coaxially arranged second reversing wheels 61 is arranged between them, and a connecting rope 4 is arranged around the outer side of the third roller 14. In some embodiments of the present invention, the third roller 14 and the second reversing wheel 61 remain in a relatively static state and cannot rotate relative to each other; in other embodiments of the present invention, the third roller 14 and the second reversing wheel 61 can rotate relative to each other. In this case, the reversing wheel cannot rotate, but the third roller 14 can rotate relative to the second reversing wheel 61, thereby driving the trolley 5 to move, solving the problem that the conveyor belt 3 alone cannot completely drive the trolley 5 to move under certain working conditions.

[0041] The upper running track 71 is connected to the first curved track 62 through the transition track 12, and the lower running track 72 is connected to the second curved track 63 through the transition track 12. A short roller 13 is provided at the bottom of the reversing mechanism 6, and the short roller 13 and the rocker mechanism 53 of the trolley 5 jointly support the conveyor belt 3 in the return section of the conveyor belt 3.

[0042] The trolley 5 includes a frame 51, on which a support surface for supporting the conveyor belt 3 is provided, and the support surface is tilted at both ends along the width direction of the conveyor belt 3, and is in the shape of a groove with an opening facing the side away from the frame 51; the rocker mechanism 53 includes a first rocker 531 and a second rocker 532 respectively provided at the two tilted ends of the support surface; one end of each rocker is horizontally rotated and connected to the tilted end of the support surface, and when the first rocker 531 and the second rocker 532 rotate to approach each other to a closed state, they form a surrounding structure with the groove-shaped support surface; wheel groups 52 are provided on both sides of the frame 51 along the width direction of the conveyor belt 3, and the trolley 5 runs on the running rail 7 through the wheel groups 52. In some embodiments of the present invention, the first rocker 531 and the second rocker 532 are symmetrically arranged.

[0043] In the load-bearing section where the belt conveyor is located at the top, the groove-shaped supporting surface of the trolley 5 opens upward, and the enclosed structure can effectively prevent the conveyor belt 3 carried on the trolley 5 from being blown out of the trolley 5 by strong winds. In the return section where the belt conveyor is located at the bottom, the groove-shaped supporting surface of the trolley 5 opens downward, and the rocker of the enclosed structure serves to support the return conveyor belt 3.

[0044] The frame 51 is also provided with a first connection mechanism 40, which is locked by a connection rope 4 to the first connection mechanism 40 of the frame 51 of the adjacent trailer 5 so that the two are connected. When there are a plurality of trailers 5, they are connected to form a trailer 5 group. In some embodiments of the present invention, the first connection mechanism 40 is in the form of a hanging ear. In actual applications, the form of the first connection mechanism 40 can be adjusted as needed.

[0045] One end of the rocker mechanism 53 close to the support surface is the rotating shaft end, and the other end is the free end. The toggle mechanism 55 is arranged at the rotating shaft end; the toggle mechanism 55 includes a toggle rod 551 with one end vertically connected to the rocker mechanism 53, and a toggle wheel 552 is arranged at the other end of the toggle rod 551; the toggle rod 551 and the toggle wheel 552 are arranged coaxially; the toggle wheel 552 drives the toggle rod 551 to rotate around its axis after the contact passive rotation, and the toggle rod 551 drives the rocker to rotate horizontally around its rotating shaft end to leave its closed state. Each toggle wheel 552 corresponds to a groove rail 9, so two groove rails 9 are arranged around the outside of each reversing mechanism 6.

[0046] When the trolley 5 runs from the running rail 7 to the reversing mechanism 6, the toggle wheel 552 enters the groove rail 9 and contacts its side wall to rotate, driving the toggle rod 551 to rotate around its axis, and the toggle rod 551 drives the rocker to rotate horizontally around its rotation axis end, so that the two rockers move closer to or away from each other, realizing the opening and closing of the trolley 5. When the rocker mechanism 53 rotates to the maximum angle, the groove-shaped support surface is completely open, so that the conveyor belt 3 can completely leave the trolley 5, or return to the trolley 5.

[0047] A limit mechanism is provided on the rotating shaft end of the rocker mechanism 53 to limit the rotation range of the rocker mechanism 53; the limit mechanism includes a first stopper and a second stopper respectively provided on both sides of the rotation range of the rocker mechanism 53. A reset element 54 is also provided on the rotating shaft end of the rocker mechanism 53 so that the rocker mechanism 53 always has a tendency to return to the closed state. Figure 6 In some embodiments of the present invention, the reset element 54 is preferably a torsion spring.

[0048] The openable and closable trolley 5 helps the conveyor belt 3 to be quickly separated or combined with the trolley 5 as needed, thereby avoiding the problem that the conveyor belt 3 needs to be turned over many times before it can be re-combined at the appropriate position, effectively shortening the length of the turning transition section of the conveyor belt 3, increasing the service life of the conveyor belt 3, and reducing equipment investment.

[0049] The track is arranged on the support wheel 81 of the support frame 8. The cross section of the support frame 8 is rectangular. The support wheel 81 is arranged on the inner side of the support frame 8 near the wheel group 52. Several support frames 8 are arranged in sequence along the running direction of the conveyor belt 3. A second connecting mechanism 82 is arranged on the outer side of each support frame 8. The cables 10 are connected to the second connecting mechanism 82, so that several support frames 8 arranged side by side are connected as a whole. In some embodiments of the present invention, the second connecting mechanism 82 is a hanging ear, which is symmetrically arranged on the two outer sides of the support frame 8, and there are 4 hanging ears. Correspondingly, 4 cables 10 are also arranged. The supporting fixed end of the cable 10 belongs to the existing conventional technology, so it will not be further described in this embodiment.

[0050] A top cover 11 is provided on the side of the support frame 8 away from the conveyor belt 3, and the top cover 11 covers the tops of several support frames 8 to protect against wind and rain and limit the scattering of transported materials. The number of support frames 8 can be increased, decreased, and adjusted according to the length of the conveyor.

[0051] The running rail 7 is equipped with a first tensioning device 21, under which the running rail 7 is tensioned. The conveyor belt 3 is equipped with a second tensioning device 17, under which the conveyor belt 3 is tensioned. The connecting rope 4 is equipped with a third tensioning device (not shown in the drawings), under which the connecting rope 4 is tensioned. The tension of the conveyor belt 3, the running rail 7, and the connecting rope 4 is adjusted by the tensioning device to achieve a balanced and tensioned state.

[0052] The first roller 19 is equipped with a first driving device 23 for driving the first roller 19 to rotate, and the first drum 1 is equipped with a second driving device 15 for driving the first roller 19 to rotate. The third roller 14 is equipped with a third driving device (not shown in the figure) for driving the first roller 19 to rotate.

[0053] The working process of the present invention is briefly described as follows:

[0054] The wheel-rail belt conveyor drives the first roller 1 to drive the conveyor belt 3 to move through the third driving device (not shown in the figure). The conveyor belt 3 is supported by a trolley 5 in the middle section. The trolleys 5 are connected front and back in sequence through the connecting rope 4 to form a trolley 5 group. The conveyor belt 3 passes through the trolley 5 group in sequence and drives the trolley 5 group to move along the track by static friction. The trolley 5 is provided with a rocker mechanism 53 that can rotate around an axis perpendicular to the support surface of the trolley 5.

[0055] When the load-bearing section runs to the return section, the rockers are moved closer to each other under the action of the reset element 54, forming a closed state, and the conveyor belt 3 is wrapped in the surrounding structure of the trailer 5. Specifically, in the load-bearing section, the groove-shaped support surface of the frame 51 carries the conveyor belt 3; in the return section, the closed rocker mechanism 53 carries the conveyor belt 3.

[0056] When the trolley 5 moves from the load-bearing section to the reversing section, the rocker mechanism 53 provided on the trolley 5 gradually moves away from each other under the action of the groove rail 9, forming an open state, and realizing the separation of the conveyor belt 3 and the trolley 5. Specifically, at the reversing mechanism 6, as the track of the groove rail 9 changes, the toggle wheel 552 on the rocker mechanism 53 contacts the side wall of the groove rail 9 and rotates, thereby driving the rockers on both sides to rotate, and the rockers on both sides move away from each other, realizing the opening of the trolley 5, and then the conveyor belt 3 separates from the trolley 5 and continues to move forward.

[0057] When the trolley 5 moves from the reversing section to the return section, the rocker mechanism 53 provided on the trolley 5 gradually approaches each other under the action of the groove rail 9 until finally forming a closed state, so that the conveyor belt 3 returns to the trolley 5. Specifically, at the reversing mechanism 6, as the track of the groove rail 9 changes, the toggle wheel 552 on the rocker mechanism 53 contacts the side wall of the groove rail 9 and rotates, thereby driving the rockers on both sides to rotate, and the rockers on both sides gradually approach each other until finally forming a closed state. Accordingly, the conveyor belt 3 in the return section gradually transitions from being supported only by rollers to being supported jointly by short rollers 13 and the rockers in the closed state, and finally transitions to being supported only by the rockers on both sides.

[0058] Similarly, when the trolley 5 moves from the return section to the reversing section, the rockers gradually move away from each other and finally form an open state, realizing the process of separation of the conveyor belt 3 and the trolley 5, and its working process is similar to the working process of the trolley 5 moving from the load-bearing section to the reversing section; when the trolley 5 moves from the reversing section to the load-bearing section, the rockers gradually move closer to each other and finally form a closed state, realizing the process of the conveyor belt 3 returning to the trolley 5, and its working process is similar to the working process of the trolley 5 moving from the rear reversing section to the load-bearing section. Therefore, they are not repeated here.

[0059] In particular, in Example 1, the conveyor belt 3 performs a cyclic reciprocating rotational motion under the action of the first roller 1, and the conveyor belt 3 drives the trolley 5 to move along the running rail 7 through friction. In Example 2, the running rail 7 performs a cyclic reciprocating rotational motion under the action of the first roller 19, and the running rail 7 drives the trolley 5 to move along the running rail 7 through friction. In Example 3, the connecting rope 4 performs a cyclic reciprocating rotational motion under the action of the third roller 14, and the connecting rope 4 connects the connecting structure of each trolley 5, thereby driving the trolley 5 group to move along the running rail 7. In Example 4, the conveyor belt 3, the running rail 7, and the connecting rope 4 cooperate with each other to jointly drive the trolley 5 to move along the running rail 7.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution, which should be included in the scope of the claims of the present invention.

Claims

1. A wheel-rail belt conveyor with a movable running rail, characterized in that: The invention comprises a first roller (19), a first drum (1), a second drum (2), and a second roller (20) which are arranged in parallel in sequence, a conveyor belt (3) arranged around the first drum (1) and the second drum (2), and a running track (7) arranged around the first drum (19) and the second roller (20); the running track (7) comprises an upper running track (71) and a lower running track (72) which are parallel to the conveyor belt (3); an openable and closable trolley (5) is arranged inside the ring of the conveyor belt (3), and the trolley (5) runs on the running track (7); The invention also comprises a reversing mechanism (6) respectively overlapped with the upper running rail (71) and the lower running rail (72), and an arc-shaped groove rail (9) arranged around the outer side thereof; the trolley (5) is provided with a toggle mechanism (55) and a rocker mechanism (53) connected to the toggle mechanism (55); when the trolley (5) runs from the running rail (7) to the reversing mechanism (6), the toggle mechanism (55) enters the groove rail (9) and contacts the side wall thereof to rotate, thereby driving the rocker mechanism (53) to rotate, thereby realizing the opening and closing of the trolley (5).

2. The wheel-rail belt conveyor with a movable running rail according to claim 1, characterized in that: The trolley (5) comprises a frame (51), and a support surface for supporting a conveyor belt (3) is provided on the frame (51), and the two ends of the support surface along the width direction of the conveyor belt (3) are tilted, and are in the shape of a groove with an opening facing a side away from the frame (51); the rocker mechanism (53) comprises a first rocker (531) and a second rocker (532) respectively arranged at the two tilted ends of the support surface; one end of each rocker is horizontally rotatably connected to the tilted end of the support surface, and when the first rocker (531) and the second rocker (532) rotate to approach each other to a closed state, they form a surrounding structure with the groove-shaped support surface; wheel groups (52) are provided on both sides of the frame (51) along the width direction of the conveyor belt (3), and the trolley (5) runs on the running rail (7) via the wheel groups (52).

3. The wheel-rail belt conveyor with movable running rails according to claim 2, characterized in that: The frame (51) is also provided with a first connecting mechanism (40) for connecting adjacent frames (51).

4. The wheel-rail belt conveyor with movable running rails according to claim 1, characterized in that: One end of the rocking mechanism (53) close to the supporting surface is a rotating shaft end, and the toggle mechanism (55) is arranged at the rotating shaft end; the toggle mechanism (55) comprises a toggle rod (551) one end of which is vertically connected to the rocking mechanism (53), and the other end of the toggle rod (551) is provided with a toggle wheel (552); the toggle rod (551) and the toggle wheel (552) are coaxially arranged; when the trolley (5) runs from the running rail (7) to the reversing mechanism (6), the toggle wheel (552) enters the groove rail (9) and contacts the side wall thereof to rotate, thereby driving the toggle rod (551) and the rocking arm to rotate, thereby realizing the opening and closing of the trolley (5).

5. The wheel-rail belt conveyor with movable running rails according to claim 4, characterized in that: A limit mechanism for limiting the rotation range of the rocker mechanism (53) is arranged on the rotating shaft end of the rocker mechanism (53); the limit mechanism comprises a first stopper and a second stopper respectively arranged on both sides of the rotation range of the rocker mechanism (53).

6. The wheel-rail belt conveyor with movable running rails according to claim 4, characterized in that: A reset element (54) is also provided on the rotating shaft end of the rocker mechanism (53).

7. The wheel-rail belt conveyor with movable running rails according to claim 1, characterized in that: The reversing mechanism (6) comprises a second reversing wheel (61) parallel to the axial direction of the first roller (1), and a first arc track (62) and a second arc track (63) are sequentially arranged around the outer side of the second reversing wheel (61).

8. The wheel-rail belt conveyor with movable running rails according to claim 7, characterized in that: The upper running track (71) is connected to the first arc-shaped track (62) via a transition track (12), and the lower running track (72) is connected to the second arc-shaped track (63) via a transition track (12).

9. The wheel-rail belt conveyor with movable running rails according to claim 1, characterized in that: The running rail (7) is arranged on a support frame (8), and a second connecting mechanism (82) is arranged outside the support frame (8) and is connected to the second connecting mechanism (82) through a cable (10), so that a plurality of support frames (8) arranged side by side are connected as a whole.

10. The wheel-rail belt conveyor with movable running rails according to claim 1, characterized in that: It also comprises a first reversing wheel (22), on which the running rail (7) is wound, and the reversal of the running rail (7) is achieved by the rotation of the first reversing wheel (22).

Images