A tunnel work trolley capable of longitudinal sorting of reinforcing bars

Abstract

This invention belongs to the field of tunnel drilling technology, and in particular to a tunnel work trolley capable of longitudinally sorting rebars. It includes a frame and an arc-shaped track fixed relative to the frame. A rebar storage rack is provided for moving along the arc-shaped track. Two sets of chains A are provided on the inner side of the rebar storage rack. The two ends of each set of chains A are respectively engaged with sprockets A. Sprockets A are rotatably connected to the rebar storage rack. Storage hooks are fixedly connected to the links of chains A. The space between the storage hooks and the inner surface of the rebar storage rack forms a limit for restricting the movement of a single longitudinal rebar. Through the rebar storage rack, several longitudinal rebars can be stored at intervals. Furthermore, the rebar storage rack can move along the arc-shaped track, allowing longitudinal rebars to be placed one by one into the rebar storage rack when it is at its lowest position. This avoids the difficulties and laboriousness of transporting longitudinal rebars to a higher platform.

Description

Technical Field

[0001] This invention belongs to the field of tunnel drilling technology, specifically relating to a tunnel work trolley capable of longitudinally sorting steel bars. Background Technology

[0002] In traditional tunnel construction, longitudinal steel bars are typically placed at different locations on a trolley, and then manually moved to the target location. This operation requires workers to move single longitudinal steel bars up and down between multiple platforms on the trolley. Especially when moving them to higher platforms, the limited working space, high location, and easily obstructed transport path make it very time-consuming and labor-intensive. Summary of the Invention

[0003] To address the problems mentioned in the background section, this invention provides a tunnel work trolley capable of longitudinally sorting reinforcing bars. Through a set of reinforcing bar storage racks, several longitudinal reinforcing bars can be stored at intervals. Furthermore, the storage racks can move along an arc-shaped track, allowing longitudinal reinforcing bars to be placed one by one into the racks when they are at their lowest position. This avoids the difficulties and labor involved in transporting longitudinal reinforcing bars to higher platforms.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a tunnel operation trolley capable of longitudinal sorting of reinforcing bars, comprising a frame and an arc-shaped track fixed relative to the frame, and a reinforcing bar storage rack for moving along the arc-shaped track. Two sets of chains A are provided on the inner side of the reinforcing bar storage rack, and the two ends of each set of chains A are respectively engaged and connected to sprockets A. The sprockets A are rotatably connected to the reinforcing bar storage rack. A storage hook is fixedly connected to the chain link of the chain A, and the space between the storage hook and the inner surface of the reinforcing bar storage rack forms a limit for restricting the movement of a single longitudinal reinforcing bar.

[0005] As a preferred embodiment of the tunnel work trolley for longitudinal sorting of steel bars according to the present invention, it further includes movable clamps for gripping and moving longitudinal steel bars. A pair of movable clamps are symmetrically rotatably connected to the top of a control rod. A spring A is fixedly connected to the top surface of the control rod. The two ends of the spring A are in contact with the surface of the movable clamps. The top of one of the movable clamps is rotatably connected to a limit frame through a rotating connector.

[0006] As a preferred embodiment of the tunnel operation trolley for longitudinal sorting of reinforcing bars according to the present invention, a transmission plate is rotatably connected to the inner side of the movable clamping plate on one side, the bottom end of the transmission plate is rotatably connected to the top end of the pressure frame, the bottom end of the pressure frame is rotatably connected to one end of the control rod, and a receiving groove for accommodating the rotating shaft is provided on one side of the control rod.

[0007] As a preferred embodiment of the tunnel operation trolley for longitudinal sorting of reinforcing bars according to the present invention, it further includes a hydraulic rod A for driving the control rod to move, and the hydraulic rod A is fixedly connected to one side of the middle part of the reinforcing bar storage rack through a connecting bracket A.

[0008] As a preferred embodiment of the tunnel operation trolley for longitudinal sorting of reinforcing bars according to the present invention, a sliding sleeve is slidably connected to the outer surface of the control rod, a sliding block is fixedly connected to the inner side of the sliding sleeve, a groove is provided on the control rod to match the sliding block, and a tension spring is fixedly connected between the sliding block and the inner wall of the groove in the direction in which the sliding block moves relative to the control rod.

[0009] As a preferred embodiment of the tunnel operation trolley for longitudinal sorting of steel bars according to the present invention, a rotating connecting frame is rotatably connected to the outer side of the sliding sleeve, one side of the rotating connecting frame is fixedly connected to the end of the telescopic main shaft of the hydraulic rod A, and the projections of the hydraulic rod A and the control rod on the middle side of the steel bar storage rack overlap, a spring piece B is fixedly connected to the bottom end of the rotating connecting frame, and a sliding rod that is slidably connected to the chute is fixedly connected to the bottom end of the spring piece B.

[0010] As a preferred embodiment of the tunnel work trolley for longitudinal sorting of reinforcing bars according to the present invention, the end of the movable clamp on the other side is fixedly provided with a barb, and a cooperating rod that cooperates with the barb is also provided, and the cooperating rod is driven by a hydraulic rod B.

[0011] As a preferred embodiment of the tunnel work trolley for longitudinal sorting of reinforcing bars according to the present invention, the top of the movable clamp on the other side is provided with a shallow groove that cooperates with the end of the limiting frame.

[0012] As a preferred embodiment of the tunnel operation trolley for longitudinal sorting of steel bars according to the present invention, a fixed bracket is fixedly connected to the outer surface of the steel bar storage rack, the top end of the fixed bracket is rotatably connected to one end of the connecting bracket B, the connecting bracket B is used to fix the hydraulic rod B, and the other end of the connecting bracket B is rotatably connected to the fixed bracket with a hydraulic rod C.

[0013] As a preferred embodiment of the tunnel operation trolley for longitudinal sorting of reinforcing bars according to the present invention, two arc-shaped tracks are each equipped with a traveling wheel frame, and a movable longitudinal beam is connected between the two traveling wheel frames. The movable longitudinal beam is fixedly connected to several reinforcing bar storage racks. The traveling wheel frames are fixedly connected to chain B. Chain B is arranged around the arc-shaped tracks and the frame. Chain B is driven by a drive device fixed on the frame. Several anti-wear wheels that contact chain B are provided on the outer surface of the arc-shaped tracks. The right-angle turns of chain B engage with sprocket B. Sprocket B is rotatably connected to the frame.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: by forming a space between the storage hook and the inner surface of the rebar storage rack to limit the movement of a single longitudinal rebar, several longitudinal rebars can be stored at intervals. Furthermore, the rebar storage rack can move along the arc-shaped track, allowing the longitudinal rebars to be placed one by one into the rebar storage rack when it is at its lowest position. This avoids the difficulties and labor involved in transporting the longitudinal rebars to a higher platform. After storage, the longitudinal rebars can be moved to different target positions by the active movement of the rebar storage rack, reducing manpower consumption. When it is necessary to remove a single longitudinal rebar from the rebar storage rack, the rotation of chain A can move the longitudinal rebar to the top opening of the rebar storage rack, so that the longitudinal rebar is no longer limited and can be removed. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 This is a cross-sectional view of the overall structure of the present invention;

[0018] Figure 3 In this invention Figure 2 An enlarged structural diagram at point A;

[0019] Figure 4 In this invention Figure 2 A magnified structural diagram at point B;

[0020] Figure 5 In this invention Figure 2 A magnified structural diagram at point C;

[0021] Figure 6 This is a schematic diagram of the connection structure of the steel bar storage rack in this invention;

[0022] Figure 7 In this invention Figure 6 A magnified structural diagram at point D;

[0023] Figure 8 This is a front view of the connection structure of the steel bar storage rack in this invention;

[0024] Figure 9 In this invention Figure 8 A magnified structural diagram at point E;

[0025] Figure 10 This is a schematic diagram of the connection structure of chain A in this invention;

[0026] Figure 11 In this invention Figure 10 A magnified structural diagram at point F;

[0027] Figure 12 This is a schematic diagram showing the relative position of hydraulic rod B in this invention;

[0028] Figure 13 This is a schematic diagram of the connection structure of hydraulic rod A in this invention;

[0029] Figure 14 This is a schematic diagram of the unfolded state of the movable clamping plate in this invention;

[0030] Figure 15 This is a schematic diagram of the folded state of the movable clamp in this invention;

[0031] Figure 16 This is a cross-sectional view of the connection structure of the sliding block in this invention;

[0032] Figure 17 This is a schematic diagram of the structure in this invention where the movable clamping plate is pushed and deflected;

[0033] In the picture:

[0034] 1. Frame; 2. Curved track; 3. Longitudinal reinforcement; 4. Reinforcement storage rack; 5. Sprocket A; 6. Chain A; 7. Storage hook; 8. Control lever; 9. Movable clamp; 10. Spring A; 11. Limiting frame; 12. Rotating connector; 13. Transmission plate; 14. Pressure frame; 15. Receiving groove; 16. Hydraulic rod A; 17. Connecting bracket A; 18. Rotating connecting frame; 19. Spring B; 20. Sliding rod; 21. Sliding sleeve; 22. Sliding block; 23. Tension spring; 24. Hydraulic rod B; 25. Matching rod; 26. Barb; 27. Shallow groove; 28. Fixed bracket; 29. ​​Connecting bracket B; 30. Hydraulic rod C; 31. Chain B; 32. Drive device; 33. Sprocket B; 34. Anti-wear wheel; 35. Travel wheel frame; 36. Movable longitudinal beam. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] like Figures 1-17 As shown:

[0037] A tunnel work trolley capable of longitudinal sorting of reinforcing bars includes a frame 1 and an arc-shaped track 2 fixed relative to the frame 1. A reinforcing bar storage rack 4 is provided for moving along the arc-shaped track 2. Two sets of chains A6 are provided on the inner side of the reinforcing bar storage rack 4. The two ends of each set of chains A6 are respectively engaged with sprockets A5. The sprockets A5 are rotatably connected to the reinforcing bar storage rack 4. Storage hooks 7 are fixedly connected to the chain links of chains A6. The space between the storage hooks 7 and the inner surface of the reinforcing bar storage rack 4 forms a limit for restricting the movement of a single longitudinal reinforcing bar 3.

[0038] In traditional tunnel construction, the longitudinal steel bars 3 are generally placed in different positions on the trolley, and then the longitudinal steel bars 3 are moved to the target position manually. This operation requires workers to move a single longitudinal steel bar 3 up and down between the multiple platforms of the trolley. Especially when moving to higher platforms, the operation is very time-consuming and labor-intensive due to the small working space, the high position, and the easy obstruction of the transportation path.

[0039] The space between the storage hook 7 and the inner surface of the rebar storage rack 4 forms a limit to restrict the movement of a single longitudinal rebar 3, which allows for the spaced storage of several longitudinal rebars 3. Furthermore, the rebar storage rack 4 can move along the arc track 2, allowing the longitudinal rebars 3 to be placed one by one into the rebar storage rack 4 when it is at its lowest position. This avoids the difficulties and labor involved in transporting the longitudinal rebars 3 to a higher platform. After storage, the longitudinal rebars 3 can be moved to different target positions by the active movement of the rebar storage rack 4, reducing manpower consumption. When it is necessary to remove the longitudinal rebars 3 stored in the rebar storage rack 4 individually, the rotation of the chain A6 can move the longitudinal rebars 3 to the top opening of the rebar storage rack 4, so that the longitudinal rebars 3 are no longer restricted and can be removed.

[0040] In the process of placing the longitudinal steel bar 3 into the steel bar storage rack 4, the longitudinal steel bar 3 is inserted from the top opening of the steel bar storage rack 4 and makes contact with the storage hook 7. Then, the chain A6 is rotated, so that the chain A6 drives the storage hook 7 and thus drives the longitudinal steel bar 3 to move downward until the longitudinal steel bar 3 is in the limiting space between the storage hook 7 and the inner surface of the steel bar storage rack 4.

[0041] In an optional embodiment, it further includes movable clamping plates 9 for gripping and moving longitudinal reinforcing bars 3. A pair of movable clamping plates 9 are symmetrically rotatably connected to the top end of control rod 8. A spring piece A10 is fixedly connected to the top surface of control rod 8. The two ends of spring piece A10 are in contact with the surface of movable clamping plate 9. The top end of one of the movable clamping plates 9 is rotatably connected to limit frame 11 through rotating connector 12.

[0042] In this embodiment, as Figure 14As shown, the rotating connector 12 is located on one side of the limiting frame 11. This arrangement ensures that the two movable clamps 9 will not squeeze the limiting frame 11 after they are rotated and folded in opposite directions.

[0043] Under the elastic force of the spring A10, the movable clamping plate 9 will unfold to form a "Y" shape with the control lever 8. At this time, the limiting frame 11 can be rotated so that the limiting frame 11 contacts both movable clamping plates 9 simultaneously. The two movable clamping plates 9 are then supported by the limiting frame 11 and cannot be folded. The movable clamping plates 9 can then be moved downwards. Figure 9 As shown, when the movable clamping plate 9 moves downward, it presses against the surface of the longitudinal steel bar 3 already placed in the steel bar storage rack 4, forcing the longitudinal steel bar 3 to move downward. When the longitudinal steel bar 3 moves downward, it drives the chain A6 to rotate around the sprocket A5, thereby achieving synchronous rotation of the chains A6 in several steel bar storage racks 4. Only when the chain A6 can rotate can a new longitudinal steel bar 3 be placed. Since the downward stroke of the movable clamping plate 9 is limited, it cannot drive the chain A6 to rotate a full revolution in one downward movement. Therefore, after the movable clamping plate 9 moves downward to its maximum stroke, it can move upward again. It should be noted that when moving the movable clamping plate 9 upward, it needs to be folded up (e.g., Figure 15 (as shown in the figure) To avoid the movable clamp 9 from colliding and interfering with the longitudinal steel bar 3 when it moves upward, since the spring piece A10 is set, in order to avoid the two movable clamps 9 from automatically opening due to the influence of the spring piece A10 after folding, which would cause them to collide and interfere with the longitudinal steel bar 3 when moving upward, it is necessary to tie the two movable clamps 9 after folding with an elastic band. The elastic band can be a ring-shaped strip with rubber band as the main elastic material.

[0044] After all the longitudinal reinforcing bars 3 are installed completely in the reinforcing bar storage rack 4, when it is necessary to remove the longitudinal reinforcing bars 3 one by one through the movable clamp 9, first adjust the movable clamp 9 to the position as described above. Figure 9 After reaching the indicated position, remove the elastic band binding the movable clamp 9, and simultaneously rotate the limiting frame 11 to prevent one limiting frame 11 from contacting both movable clamps 9 at the same time. At this point, move the movable clamp 9 downwards. The movable clamp 9 will contact the longitudinal steel bar 3 as it moves downwards, forcing the movable clamp 9 to fold until the movable clamp 9 moves downwards and completely passes the uppermost longitudinal steel bar 3. Due to the elasticity of the spring piece A10, the movable clamp 9 will automatically unfold and form a "Y" shape again. Then move the movable clamp 9 upwards. The movable clamp 9 will lift the longitudinal steel bar 3 located on the upper side of the movable clamp 9 and move it upwards, thus removing a single longitudinal steel bar 3. Of course, when removing the longitudinal steel bar 3, the chain A6 will rotate due to the active movement of the longitudinal steel bar 3.

[0045] In an optional embodiment, a transmission plate 13 is rotatably connected to the inner side of one of the movable clamping plates 9. The bottom end of the transmission plate 13 is rotatably connected to the top end of the pressure frame 14. The bottom end of the pressure frame 14 is rotatably connected to one end of the control rod 8. A receiving groove 15 for accommodating the rotating shaft is provided on one side of the control rod 8.

[0046] In this embodiment, the rotational connection between the movable clamping plate 9, the control rod 8, the transmission plate 13, and the pressure frame 14 is achieved through a rotating shaft. Therefore, when the movable clamping plate 9 is folded, the rotating shaft used for rotation between the transmission plate 13 and the pressure frame 14 needs to be accommodated through the receiving groove 15. The pressure frame 14 is linked with the movable clamping plate 9 through the transmission of the transmission plate 13. When the movable clamping plate 9 moves downward to drive the chain A6 to rotate (the technical means in the above embodiment), in order to achieve the two sets of longitudinal steel bars 3 being staggered and to avoid the two sets of longitudinal steel bars 3 being at the same height, the two longitudinal steel bars 3 will be taken out at the same time when the movable clamping plate 9 moves upward to take out the longitudinal steel bars 3. Therefore, the pressure frame 14 set in this embodiment is used to press down one set of longitudinal steel bars 3 to move downward, while the movable clamping plate 9 without the pressure frame 14 is used to press down the other set of longitudinal steel bars 3 to move downward, thereby achieving the simultaneous control of the two sets of longitudinal steel bars 3 to be staggered when rotating.

[0047] In an optional embodiment, a hydraulic rod A16 is also included to drive the control lever 8 to move. The hydraulic rod A16 is fixedly connected to one side of the middle part of the rebar storage rack 4 via a connecting bracket A17.

[0048] In this embodiment, as Figure 9 As shown, the hydraulic rod A16 is fixedly connected to one side of the middle part of the steel bar storage rack 4 through the connecting bracket A17, which allows the hydraulic rod A16 to be positioned between the two sets of longitudinal steel bars 3, avoiding contact interference with the longitudinal steel bars 3.

[0049] In an optional embodiment, a sliding sleeve 21 is slidably connected to the outer surface of the control rod 8, and a sliding block 22 is fixedly connected to the inner side of the sliding sleeve 21. A groove is provided on the control rod 8 to match the sliding of the sliding block 22. In the direction in which the sliding block 22 moves relative to the control rod 8, a tension spring 23 is fixedly connected between the sliding block 22 and the surface opposite to the inner wall of the groove.

[0050] In this embodiment, the sliding sleeve 21 is slidably connected to the control rod 8, which enables the control rod 8 to move relative to the sliding sleeve 21. Through the tension spring 23, the sliding sleeve 21 is always at the highest point of its maximum stroke without external interference.

[0051] In an optional embodiment, a rotating connecting frame 18 is rotatably connected to the outer side of the sliding sleeve 21. One side of the rotating connecting frame 18 is fixedly connected to the end of the telescopic main shaft of the hydraulic rod A16, and the projections of the hydraulic rod A16 and the control rod 8 on the middle side of the rebar storage rack 4 overlap. A spring piece B19 is fixedly connected to the bottom end of the rotating connecting frame 18, and a sliding rod 20 that is slidably connected to the slide groove is fixedly connected to the bottom end of the spring piece B19.

[0052] In this embodiment, the sliding sleeve 21 can rotate relative to the rotating connecting frame 18. When relative rotation occurs, it is necessary to overcome the elastic resistance of the spring piece B19.

[0053] In an optional embodiment, a barb 26 is fixedly provided at the end of the movable clamping plate 9 on the other side, and a mating rod 25 that cooperates with the barb 26 is also provided. The mating rod 25 is driven by a hydraulic rod B24.

[0054] In an optional embodiment, a fixed bracket 28 is fixedly connected to the outer surface of the rebar storage rack 4. The top end of the fixed bracket 28 is rotatably connected to one end of the connecting bracket B29. The connecting bracket B29 is used to fix the hydraulic rod B24. The other end of the connecting bracket B29 is rotatably connected to the fixed bracket 28 with a hydraulic rod C30. That is, both ends of the hydraulic rod C30 are rotatably connected to the carrier to which it is connected.

[0055] In this embodiment, with the extension of hydraulic rod A16, when the movable clamping plate 9 removes a longitudinal steel bar 3 from the steel bar storage rack 4 (at this time, the limiting frame 11 is in contact with both movable clamping plates 9 simultaneously), the position of the movable clamping plate 9 moves to the extension line of the axis of hydraulic rod B24. At this time, through the extension of hydraulic rod B24, the cooperating rod 25 can be driven to contact the surface of the movable clamping plate 9 and be subjected to lateral squeezing force, forcing the movable clamping plate 9 to move. The movable clamping plate 9 will drive the control rod 8, thereby causing the sliding sleeve 21 and the rotating connecting frame 18 to rotate relative to each other. When the rotation occurs, it is necessary to overcome the elastic deformation force of the spring piece B19. After the control rod 8 rotates, it will point to the target position of the tunnel working face. Then, the hydraulic rod B24 continues to extend. Through the cooperation of the cooperating rod 25 and the hook 26, the cooperating rod... 25 drives the hook 26 to move, which in turn drives the movable clamp 9 and the control rod 8 to move relative to the sliding sleeve 21. When the movement occurs, the tension spring 23 is forced to stretch. By rotating the control rod 8 first and then moving it, the movable clamp 9 carries the longitudinal steel bar 3 to the target position close to the tunnel working face. Of course, the tension spring 23 and the elastic force of the spring B19 should not become an obstacle for the movable clamp 9 to indirectly drive the chain A6 to rotate through the longitudinal steel bar 3. That is to say, when the movable clamp 9 moves downward to drive the chain A6 to rotate, the length of the tension spring 23 should not increase significantly. Similarly, the spring B19 should not undergo visible deformation during this operation, so as to meet the normal rotation of the movable clamp 9 indirectly driving the chain A6 through the longitudinal steel bar 3.

[0056] In the above operation, when the control rod 8 rotates around the rotating connecting frame 18 via the sliding sleeve 21, that is, when the position of the movable clamp 9 is moved to the extension line of the axis of the hydraulic rod B24, the lowest position of the control rod 8 should be higher than the rebar storage rack 4. This is to avoid collision with the longitudinal rebar 3 stored in the rebar storage rack 4 during the rotation of the control rod 8.

[0057] In an optional embodiment, the top of the movable clamping plate 9 on the other side is provided with a shallow groove 27 that mates with the end of the limiting frame 11.

[0058] In this embodiment, to prevent unnecessary rotation of the limiting frame 11 when the movable clamping plate 9 moves the longitudinal reinforcing bar 3 to the target position on the tunnel working face, causing the limiting frame 11 to separate from the movable clamping plate 9 with the barb 26, the shallow groove 27 can solve this problem. When the rod 25 moves the barb 26 (with... Figure 8In the indicated orientation, after the cooperating rod 25 engages with the barb 26 and pushes it to move, the cooperating rod 25 can drive the barb 26 to move to the left or right. The barb 26 will force the movable clamp 9 connected to it to squeeze the limiting frame 11. When the shallow groove 27 is opened on the movable clamp 9, under the pressure, the free end of the limiting frame 11 will engage with the shallow groove 27, thereby avoiding relative sliding. Of course, after the longitudinal steel bar 3 is moved to the target position through the above embodiment, since a longitudinal steel bar 3 is completed by multiple sets of control rods 8 and movable clamps 9, after the longitudinal steel bar 3 is transported to the target position and fixed, the retraction of the hydraulic rod B24 needs to shorten the distance first to reduce the pressure of the cooperating rod 25 on the barb 26, so that the limiting frame 11 and the shallow groove 27 are not engaged, so that the limiting frame 11 can rotate. Then, after the limiting frame 11 is rotated to a position that no longer restricts the longitudinal steel bar 3, the retraction of the hydraulic rod B24 is started again.

[0059] In the above work, the extension and retraction of hydraulic rod C30 can adjust the angle of hydraulic rod B24. The position of movable clamping plate 9 can be adjusted by adjusting the angle of hydraulic rod B24. For example, although the longitudinal steel bar 3 is close to or in contact with the tunnel working face, it may be necessary to make a slight adjustment in position upward or downward. The position of movable clamping plate 9 can be indirectly adjusted by adjusting the angle of hydraulic rod B24.

[0060] It should also be noted that the diameter of the barb 26 should be smaller than the diameter of the longitudinal steel bar 3. This is to prevent the barb 26 from getting caught on the longitudinal steel bar 3 when the movable clamp 9 moves downward past the longitudinal steel bar 3 located in the steel bar storage rack 4.

[0061] In an optional embodiment, a traveling wheel frame 35 is installed on each of the two arc-shaped tracks 2. A movable longitudinal beam 36 is connected between the two traveling wheel frames 35. The movable longitudinal beam 36 is fixedly connected to several steel bar storage racks 4. The traveling wheel frame 35 is fixedly connected to a chain B31. The chain B31 is arranged around the arc-shaped track 2 and the frame 1. The chain B31 is driven by a drive device 32 fixed on the frame 1. A drive sprocket is fixedly connected to the end of the main shaft of the drive device 32. The chain B31 meshes with the drive sprocket, and the chain B31 is driven to work by the drive sprocket. Several anti-wear wheels 34 are provided on the outer surface of the arc-shaped track 2 to contact the chain B31. The right-angle turn of the chain B31 meshes with the sprocket B33. The sprocket B33 is rotatably connected to the frame 1.

[0062] In this embodiment, the drive device 32 (such as a motor or hydraulic motor) drives the drive sprocket, which in turn drives the chain B31 to rotate. The rotation of the chain B31 will pull the walking wheel frame 35 to move along the arc track 2. The walking wheel frame 35 will drive the rebar storage rack 4 to move through the movable longitudinal beam 36, so that the rebar storage rack 4 can operate at different locations in the tunnel.

[0063] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A tunnel work trolley capable of longitudinally sorting steel bars, comprising a frame (1) and an arc-shaped track (2) fixed relative to the frame (1), characterized in that: A steel bar storage rack (4) is provided for moving along the arc track (2). Two sets of chains A (6) are provided on the inner side of the steel bar storage rack (4). The two ends of each set of chains A (6) are respectively engaged with sprockets A (5). Sprockets A (5) are rotatably connected to the steel bar storage rack (4). Storage hooks (7) are fixedly connected to the chain links of chains A (6). The space between the storage hooks (7) and the inner surface of the steel bar storage rack (4) forms a limit for restricting the movement of a single longitudinal steel bar (3). It also includes movable clamps (9) for gripping and moving longitudinal steel bars (3), a pair of movable clamps (9) are symmetrically rotated and connected to the top of the control rod (8), and a spring piece A (10) is fixedly connected to the top surface of the control rod (8). The two ends of the spring piece A (10) are in contact with the surface of the movable clamps (9), and the top of one of the movable clamps (9) is rotatably connected to the limit frame (11) through the rotating connector (12); and a hydraulic rod A (16) for driving the control rod (8) to move, and the hydraulic rod A (16) is fixedly connected to one side of the middle part of the steel bar storage rack (4) through the connecting bracket A (17); A sliding sleeve (21) is slidably connected to the outer surface of the control rod (8), and a sliding block (22) is fixedly connected to the inner side of the sliding sleeve (21). A sliding groove matching the sliding block (22) is provided on the control rod (8). In the direction in which the sliding block (22) moves relative to the control rod (8), a tension spring (23) is fixedly connected between the sliding block (22) and the surface opposite to the inner wall of the sliding groove. A rotating connecting frame (18) is rotatably connected to the outer side of the sliding sleeve (21). One side of the rotating connecting frame (18) is fixedly connected to the end of the telescopic main shaft of the hydraulic rod A (16). The projections of the hydraulic rod A (16) and the control rod (8) on the middle side of the steel bar storage rack (4) overlap. A spring piece B (19) is fixedly connected to the bottom end of the rotating connecting frame (18). A sliding rod (20) that is slidably connected to the slide groove is fixedly connected to the bottom end of the spring piece B (19).

2. The tunnel work trolley capable of longitudinal sorting of reinforcing bars according to claim 1, characterized in that: One side of the movable clamp (9) is rotatably connected to the inner side of the transmission plate (13). The bottom end of the transmission plate (13) is rotatably connected to the top end of the pressure frame (14). The bottom end of the pressure frame (14) is rotatably connected to one end of the control rod (8). A receiving groove (15) for accommodating the rotating shaft is provided on one side of the control rod (8).

3. The tunnel work trolley capable of longitudinal sorting of reinforcing bars according to claim 1, characterized in that: The end of the movable clamp (9) on the other side is fixedly provided with a barb (26) and a mating rod (25) that cooperates with the barb (26). The mating rod (25) is driven by the hydraulic rod B (24).

4. The tunnel work trolley capable of longitudinal sorting of reinforcing bars according to claim 1, characterized in that: The top of the movable clamp (9) on the other side is provided with a shallow groove (27) that mates with the end of the limiting frame (11).

5. The tunnel work trolley capable of longitudinal sorting of reinforcing bars according to claim 3, characterized in that: The outer surface of the steel bar storage rack (4) is fixedly connected to a fixed bracket (28). The top of the fixed bracket (28) is rotatably connected to one end of the connecting bracket B (29). The connecting bracket B (29) is used to fix the hydraulic rod B (24). The other end of the connecting bracket B (29) is rotatably connected to the fixed bracket (28) with a hydraulic rod C (30).

6. The tunnel work trolley capable of longitudinal sorting of reinforcing bars according to claim 1, characterized in that: Two curved tracks (2) are each equipped with a walking wheel frame (35). A movable longitudinal beam (36) is connected between the two walking wheel frames (35). The movable longitudinal beam (36) is fixedly connected to several steel bar storage racks (4). The walking wheel frame (35) is fixedly connected to the chain B (31). The chain B (31) is arranged around the curved track (2) and the frame (1). The chain B (31) is driven by a drive device (32) fixed on the frame (1). Several anti-wear wheels (34) that contact the chain B (31) are provided on the outer surface of the curved track (2). The right-angle turn of the chain B (31) meshes with the sprocket B (33). The sprocket B (33) is rotatably connected to the frame (1).

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