Auxiliary rotating assembly of propelling beam

Abstract

The utility model discloses a propelling beam auxiliary rotating assembly which comprises a supporting arm, the top of the supporting arm is fixedly connected with a propelling beam body, the bottom of the supporting arm is fixedly connected with a mounting frame, the bottom of the propelling beam body is provided with a swing assembly, and a fixing support is arranged below the mounting frame. A locking mechanism is arranged on the fixed bracket; the locking mechanism comprises an arc-shaped hollow sleeve fixedly connected to the top of the fixed support, one side of the arc-shaped hollow sleeve is connected with a movable cover in a penetrating mode, and the movable cover communicates with the interior of the arc-shaped hollow sleeve. The utility model relates to the technical field of propelling beams. According to the propelling beam auxiliary rotating assembly, one side of the propelling beam main body can be pressed and fixed through the arranged locking mechanism after the propelling beam main body swings and rotates, so that the connecting strength of the fixing support and the mounting frame is improved, the problem that the swinging amplitude of the propelling beam main body is too large in the working process is effectively solved, and the drilling precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of propulsion beams, in particular to a propulsion beam auxiliary rotation component. Background Art

[0002] A rock drilling rig is a rock drilling equipment used in tunnel and underground engineering by drilling and blasting. It can move and support multiple rock drills to perform drilling operations simultaneously. The working mechanism is mainly composed of a thruster, a drill arm, a slewing mechanism, and a translation mechanism. Rock drilling rigs can be divided into horizontal tunneling drilling rigs, mining drilling rigs, anchor drilling rigs, and open-pit drilling rigs.

[0003] The authorization announcement number CN 206737819 U discloses a rock drill propulsion beam swing and rotation device, the top end face and bottom end face of the propulsion beam are processed with a top slide rail and a bottom slide rail respectively; the top slide rail is slidably mounted with a power head assembly for rock drilling; the bottom slide rail is slidably mounted with a propulsion beam compensation frame, the head of the propulsion beam compensation frame is rotatably mounted on the swing cylinder shaft frame, and a swing cylinder assembly is installed between the swing cylinder shaft frame and the tail base of the propulsion beam compensation frame; the swing cylinder shaft frame is installed on the rotating cylinder assembly, and the rotating cylinder assembly is installed at the end of the main arm of the rock drill. This propulsion beam swing device can swing under the action of the hydraulic cylinder, and its swing angle can be within the range of 0-90 degrees, ensuring that the rock drill can adapt to rock drilling operations with different rock structures, and can perform drilling operations without moving the equipment, which speeds up the progress of the project and improves work efficiency.

[0004] However, the device has the following shortcomings: when in use, the device can drive the propulsion beam to rotate and swing through the hydraulic cylinder drive, but because it is often supported by only a single hydraulic cylinder during rotation, the propulsion beam is prone to unstable center of gravity during work after a large rotation, resulting in a large shaking amplitude, affecting the drilling accuracy.

[0005] To this end, the utility model provides a propulsion beam auxiliary rotation assembly to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a propulsion beam auxiliary rotation assembly to solve the above problems.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a propulsion beam auxiliary rotation assembly, including a support arm, the top of the support arm is fixedly connected to a propulsion beam body, the bottom of the support arm is fixedly connected to a mounting frame, the bottom of the propulsion beam body is provided with a swing assembly, a fixed bracket is provided below the mounting frame, and a locking mechanism is provided on the fixed bracket;

[0008] The locking mechanism includes an arc-shaped hollow sleeve fixedly connected to the top of the fixed bracket. One side of the arc-shaped hollow sleeve is connected through a movable cover. The movable cover is communicated with the inside of the arc-shaped hollow sleeve. A pressing plate is slidably connected inside the movable cover. One side of the pressing plate is fixedly connected with two symmetrically distributed anti-deviation plates. One side of each of the two anti-deviation plates slidably extends outside the movable cover. The top of the fixed bracket is fixedly connected with a driving box. Two threaded rods are rotatably connected inside the driving box. Threaded sleeves are sleeved on both of the two threaded rods. One side of each of the two movable plates is fixedly connected with an extension rod. One end of each of the two extension rods slidably extends into the movable cover. One end of each of the two extension rods is connected to the pressing plate.

[0009] Preferably, synchronous wheels are fixedly sleeved on both of the two threaded rods. The same synchronous belt is wound around the two synchronous wheels. Driven gears are fixedly sleeved on the corresponding threaded rods. A driving motor is fixedly connected to the outer wall of one side of the driving box. The output shaft of the driving motor is fixedly connected with a transmission shaft. One end of the transmission shaft rotatably extends into the driving box. A driving gear is fixedly connected to the transmission shaft. The driving gear meshes with the driven gear. By using the synchronous wheels, synchronous belt, driven gears, driving motor, transmission shaft and driving gear in combination, it can conveniently drive the two threaded rods to rotate synchronously, thereby conveniently driving the pressing plate to move smoothly and improving the pressing effect.

[0010] Preferably, two positioning plates are fixedly connected inside the driving box. The two positioning plates respectively slide through the corresponding movable plates. By providing the positioning plates, it can conveniently make the movable plates slide smoothly and improve the working stability.

[0011] Preferably, the swinging assembly includes a socket fixedly connected to the bottom of the support arm. An arc-shaped stress plate is arranged below the socket. The bottom of the arc-shaped stress plate extends into the arc-shaped hollow sleeve. A connecting plate is fixedly connected to the top of the arc-shaped stress plate. The top of the connecting plate slidably extends into the socket. Two first fixing holes are formed in the connecting plate. Two second fixing holes are formed in the socket. First bolts are slidably inserted through the two second fixing holes respectively. The two first bolts respectively slide through the corresponding first fixing holes. First nuts are threadedly sleeved on the two first bolts. By providing the swinging assembly, it can swing and rotate synchronously with the main body of the propulsion beam, and at the same time can conveniently cooperate with the locking mechanism to fix the mounting frame. At the same time, it is convenient to disassemble and assemble, and can be replaced and maintained after long-term use, improving the working stability.

[0012] Preferably, a rotating support is rotatably connected to the bottom of the mounting frame. Two side frames are welded to the outer wall of the rotating support. A pulling support is fixedly installed on the corresponding side frame. An oil cylinder support is fixedly connected to the mounting frame. A swing oil cylinder is hinged to the oil cylinder support. The output shaft of the swing oil cylinder is hinged to the pulling support. By using the rotating support, side frames, pulling support, oil cylinder support and swing oil cylinder in combination, it is convenient to push the mounting frame to swing and rotate.

[0013] Preferably, four disassembly and assembly holes are provided in the rotating support. Four second bolts are fixedly connected to the top of the fixed support. The tops of the four second bolts respectively slide through the corresponding disassembly and assembly holes. Second nuts are threadedly sleeved on the four second bolts. By using the disassembly and assembly holes, second bolts and second nuts in combination, it is convenient to fixedly connect the rotating support and the fixed support together.

[0014] Preferably, a circular groove is provided in the bottom of the rotating support. A plurality of jacks are provided in the inner wall of the top of the circular groove. A convex block is fixedly connected to the top of the fixed support. The top of the convex block slides and extends into the circular groove. A plurality of inserting rods are fixedly connected to the top of the convex block. The tops of the inserting rods slide and extend into the corresponding jacks. By using the circular groove, jacks, convex block and inserting rods in combination, it is convenient to position and install the fixed support on the rotating support, which is convenient for installation and use.

[0015] Preferably, a plurality of fixed anti-slip tooth plates are fixedly connected inside the arc-shaped hollow sleeve. A plurality of movable anti-slip tooth plates are fixedly connected to one side of the pressing plate. By providing the fixed anti-slip tooth plates and the movable anti-slip tooth plates, the contact friction with the arc-shaped stress plate can be increased, preventing deviation.

[0016] Beneficial effects

[0017] The utility model provides an auxiliary rotating assembly for a propulsion beam. Compared with the prior art, the following

[0018] Beneficial effects are achieved:

[0019] (1) For this auxiliary rotating assembly of the propulsion beam, through the provided locking mechanism, the side of the propulsion beam main body can be pressed and fixed after it swings and rotates, thereby improving the connection strength between the fixed support and the mounting frame, effectively preventing the problem that the propulsion beam main body shakes too much during the working process, and thus improving the drilling accuracy.

[0020] (2) For this auxiliary rotating assembly of the propulsion beam, through the provided swing assembly, it can swing and rotate synchronously with the propulsion beam main body, and at the same time, it can cooperate with the locking mechanism to fix the mounting frame conveniently. Meanwhile, it is convenient for disassembly and assembly, and can be replaced and maintained after long-term use, improving the working stability. Description of the drawings

[0021] Figure 1 is a three-dimensional external structure view of the present utility model;

[0022] Figure 2 is a schematic internal structure view of the locking mechanism in the present utility model;

[0023] Figure 3 is a schematic exploded installation structure view of the fixed bracket and the mounting bracket in the present utility model;

[0024] Figure 4 is a schematic exploded installation structure view of the swing assembly in the present utility model.

[0025] In the figure: 1. Support arm; 2. Main body of the propulsion beam; 3. Mounting bracket; 4. Swing assembly; 401. Socket; 402. Arc-shaped stress plate; 403. Connecting plate; 404. First fixing hole; 405. Second fixing hole; 406. First bolt; 407. First nut; 5. Fixed bracket; 6. Arc-shaped hollow sleeve; 7. Moving cover; 8. Pressing plate; 9. Anti-deviation plate; 10. Driving box; 11. Threaded rod; 12. Moving plate; 13. Extension rod; 14. Synchronous pulley; 15. Synchronous belt; 16. Driven gear; 17. Driving motor; 18. Transmission shaft; 19. Driving gear; 20. Positioning plate; 21. Rotating support; 22. Side frame; 23. Pulling bracket; 24. Oil cylinder support; 25. Swing oil cylinder; 26. Disassembly and assembly hole; 27. Second bolt; 28. Second nut; 29. Round groove; 30. Insertion hole; 31. Convex block; 32. Inserting rod; 33. Fixed friction-increasing tooth plate; 34. Movable friction-increasing tooth plate. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Embodiment 1:

[0028] Please refer to Figure 1 and Figure 2 , a propulsion beam auxiliary rotation assembly, including a support arm 1, a main body of the propulsion beam 2 is fixedly connected to the top of the support arm 1, a mounting bracket 3 is fixedly connected to the bottom of the support arm 1, a swing assembly 4 is arranged at the bottom of the main body of the propulsion beam 2, a fixed bracket 5 is arranged below the mounting bracket 3, and a locking mechanism is arranged on the fixed bracket 5;

[0029] The locking mechanism includes an arc-shaped hollow sleeve 6 fixedly connected to the top of the fixed bracket 5. One side of the arc-shaped hollow sleeve 6 is connected through a movable cover 7. The movable cover 7 is communicated with the inside of the arc-shaped hollow sleeve 6. A pressing plate 8 is slidably connected inside the movable cover 7. One side of the pressing plate 8 is fixedly connected with two symmetrically distributed anti-deviation plates 9. One side of each of the two anti-deviation plates 9 slidably extends outside the movable cover 7. The top of the fixed bracket 5 is fixedly connected with a driving box 10. Two threaded rods 11 are rotatably connected inside the driving box 10. Moving plates 12 are threadedly sleeved on the two threaded rods 11. One side of each of the two moving plates 12 is fixedly connected with an extension rod 13. One end of each of the two extension rods 13 slidably extends into the movable cover 7. One end of each of the two extension rods 13 is connected to the pressing plate 8.

[0030] Embodiment 2:

[0031] Please refer to Figures 1 to 4, this embodiment provides a technical solution based on Embodiment 1: Synchronous wheels 14 are fixedly sleeved on both of the two threaded rods 11, and the same synchronous belt 15 is wound around the two synchronous wheels 14. Driven gears 16 are fixedly sleeved on the corresponding threaded rods 11. A driving motor 17 is fixedly connected to the outer wall of one side of the driving box 10. A transmission shaft 18 is fixedly connected to the output shaft of the driving motor 17. One end of the transmission shaft 18 rotatably extends into the driving box 10. A driving gear 19 is fixedly connected to the transmission shaft 18, and the driving gear 19 meshes with the driven gear 16; Two positioning plates 20 are fixedly connected in the driving box 10, and the two positioning plates 20 respectively slide through the corresponding moving plates 12; The swinging assembly 4 includes a socket 401 fixedly connected to the bottom of the support arm 1. An arc-shaped stress-bearing plate 402 is arranged below the socket 401. The bottom of the arc-shaped stress-bearing plate 402 extends into the arc-shaped hollow sleeve 6. A connecting plate 403 is fixedly connected to the top of the arc-shaped stress-bearing plate 402. The top of the connecting plate 403 slides and extends into the socket 401. Two first fixing holes 404 are formed in the connecting plate 403. Two second fixing holes 405 are formed in the socket 401. First bolts 406 are slidably inserted through the two second fixing holes 405 respectively. The two first bolts 406 respectively slide through the corresponding first fixing holes 404. First nuts 407 are threadedly sleeved on the two first bolts 406; The bottom of the mounting frame 3 is rotatably connected to a rotating support 21. Two side frames 22 are welded to the outer wall of the rotating support 21. A pulling support 23 is fixedly installed on the corresponding side frame 22. An oil cylinder support 24 is fixedly connected to the mounting frame 3. A swinging oil cylinder 25 is hinged to the oil cylinder support 24. The output shaft of the swinging oil cylinder 25 is hinged to the pulling support 23; Four disassembly and assembly holes 26 are formed in the rotating support 21. Four second bolts 27 are fixedly connected to the top of the fixed support 5. The tops of the four second bolts 27 respectively slide through the corresponding disassembly and assembly holes 26. Second nuts 28 are threadedly sleeved on the four second bolts 27; A circular groove 29 is formed in the bottom of the rotating support 21. A plurality of jacks 30 are formed in the top inner wall of the circular groove 29. A convex block 31 is fixedly connected to the top of the fixed support 5. The top of the convex block 31 slides and extends into the circular groove 29. A plurality of insertion rods 32 are fixedly connected to the top of the convex block 31. The tops of the insertion rods 32 slide and extend into the corresponding jacks 30; A plurality of fixed friction-increasing teeth plates 33 are fixedly connected in the arc-shaped hollow sleeve 6. A plurality of moving friction-increasing teeth plates 34 are fixedly connected to one side of the pressing plate 8. Both the fixed friction-increasing teeth plates 33 and the moving friction-increasing teeth plates 34 are made of rubber material.

[0032] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0033] Working principle: When in use, when the swing oil cylinder 25 is started to pull the rotating support 21 to swing and rotate, the arc-shaped force-bearing plate 402 will also rotate within the arc-shaped hollow sleeve 6 accordingly. After it completes the rotation, the drive motor 17 is started. The drive motor 17 drives the driving gear 19 to rotate through the transmission shaft 18. The driving gear 19 drives the driven gear 16 meshing with it to rotate. The driven gear 16 drives the connected threaded rod 11 to rotate. The threaded rod 11 drives another threaded rod 11 to rotate through the synchronous pulley 14 and the synchronous belt 15. At this time, the two threaded rods 11 rotate synchronously. The threaded rod 11 drives the moving plate 12 connected to its thread to move. The moving plate 12 pushes the pressing plate 8 to move until it abuts against the arc-shaped force-bearing plate 402. The movable friction-increasing tooth plate 34 and the fixed friction-increasing tooth plate 33 are deformed by force, increasing their contact friction with the arc-shaped force-bearing plate 402.

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

[0035] In the description of this article, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "install", "connected", "connected" 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 a connection through an intermediate medium. It can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0036] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A propulsion beam auxiliary rotation assembly, comprising a support arm (1), characterized in that: The top of the support arm (1) is fixedly connected to a propulsion beam body (2), the bottom of the support arm (1) is fixedly connected to a mounting frame (3), a swing assembly (4) is provided at the bottom of the propulsion beam body (2), a fixed bracket (5) is provided below the mounting frame (3), and a locking mechanism is provided on the fixed bracket (5); The locking mechanism comprises an arc-shaped hollow sleeve (6) fixedly connected to the top of the fixed bracket (5); a movable cover (7) is connected through one side of the arc-shaped hollow sleeve (6); the movable cover (7) is communicated with the inside of the arc-shaped hollow sleeve (6); a pressing plate (8) is slidably connected inside the movable cover (7); two symmetrically distributed anti-deflection plates (9) are fixedly connected to one side of the pressing plate (8); one side of the two anti-deflection plates (9) are slidably extended to the outside of the movable cover (7); a driving box (10) is fixedly connected to the top of the fixed bracket (5); two threaded rods (11) are rotatably connected inside the driving box (10); a movable plate (12) is threadedly sleeved on the two threaded rods (11); one side of the two movable plates (12) is fixedly connected to an extension rod (13); one end of the two extension rods (13) is slidably extended to the movable cover (7); one end of the two extension rods (13) is connected to the pressing plate (8).

2. A propulsion beam auxiliary rotation assembly according to claim 1, characterized in that: A synchronous wheel (14) is fixedly sleeved on each of the two threaded rods (11), and a same synchronous belt (15) is wound around the two synchronous wheels (14). A driven gear (16) is fixedly sleeved on the corresponding threaded rod (11). A driving motor (17) is fixedly connected to an outer wall of one side of the driving box (10). An output shaft of the driving motor (17) is fixedly connected to a transmission shaft (18). One end of the transmission shaft (18) is rotatably extended into the driving box (10). A driving gear (19) is fixedly connected to the transmission shaft (18), and the driving gear (19) is meshed with the driven gear (16).

3. The propulsion beam auxiliary rotation assembly according to claim 2, characterized in that: Two positioning plates (20) are fixedly connected inside the driving box (10), and the two positioning plates (20) slide through the corresponding moving plates (12) respectively.

4. The propulsion beam auxiliary rotation assembly according to claim 1, characterized in that: The swing assembly (4) comprises a socket (401) fixedly connected to the bottom of the support arm (1); an arc-shaped force-bearing plate (402) is arranged below the socket (401); the bottom of the arc-shaped force-bearing plate (402) extends into the arc-shaped hollow sleeve (6); the top of the arc-shaped force-bearing plate (402) is fixedly connected to a connecting plate (403); the top of the connecting plate (403) slides and extends into the socket (401); two first fixing holes (404) are provided on the connecting plate (403); two second fixing holes (405) are provided on the socket (401); first bolts (406) are slidably inserted and connected to the two second fixing holes (405); the two first bolts (406) slide through the corresponding first fixing holes (404) respectively; and first nuts (407) are threadedly sleeved on the two first bolts (406).

5. The propulsion beam auxiliary rotation assembly according to claim 1, characterized in that: The bottom of the mounting frame (3) is rotatably connected to a rotating support (21), the outer wall of the rotating support (21) is welded with two side frames (22), and a pulling bracket (23) is fixedly installed on the corresponding side frames (22), and the mounting frame (3) is fixedly connected to a cylinder support (24), and a swing cylinder (25) is hingedly connected to the cylinder support (24), and the output shaft of the swing cylinder (25) is hingedly connected to the pulling bracket (23).

6. A propulsion beam auxiliary rotation assembly according to claim 5, characterized in that: The rotating support (21) is provided with four disassembly holes (26), and the top of the fixed bracket (5) is fixedly connected with four second bolts (27). The top ends of the four second bolts (27) slide through the corresponding disassembly holes (26) respectively, and the four second bolts (27) are all threadedly sleeved with second nuts (28).

7. The propulsion beam auxiliary rotation assembly according to claim 6, characterized in that: The bottom of the rotating support (21) is provided with a circular groove (29), the top inner wall of the circular groove (29) is provided with a plurality of insertion holes (30), the top of the fixed bracket (5) is fixedly connected with a protrusion (31), the top of the protrusion (31) slides and extends into the circular groove (29), the top of the protrusion (31) is fixedly connected with a plurality of insertion rods (32), the top ends of the insertion rods (32) slide and extend into the corresponding insertion holes (30).

8. The propulsion beam auxiliary rotation assembly according to claim 1, characterized in that: A plurality of fixed-increase friction tooth plates (33) are fixedly connected inside the arc-shaped hollow sleeve (6), and a plurality of dynamic-increase friction tooth plates (34) are fixedly connected on one side of the pressing plate (8).

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