Drill rod guiding device of drill jumbo
By designing a drill rod guide device including rotating shaft, gear, threaded rod and other components on the rock drilling trolley, the problem of poor stability of the drill rod is solved, the limit guidance of the drill rod is realized, and the operation stability is improved.
Patent Information
- Application Number
- CN202421568354.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-03
AI Technical Summary
The existing rock drilling trolley has a low limit effect on the drill pipe, resulting in poor stability of the drill pipe, which is prone to vibration and sway due to impact force, resulting in abnormal working or even breakage.
A rock drilling rod guide device is designed, including a mounting frame, a support rod, a box and a guide mechanism. The guide mechanism consists of a rotating shaft, gear, threaded rod, threaded block, moving plate, moving rod and press block. Through the synergy of these components, the drill rod body is limited to guide.
It effectively avoids vibration and swaying of the drill rod body, improves the operation stability of the drill boom of the rock drill trolley, and ensures the normal operation of the drill rod.
Smart Images

Figure CN222879647U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rock drilling trolleys, in particular to a drill rod guide device for a rock drilling trolley. Background Art
[0002] A rock drilling rig is a rock drilling equipment used in tunnel and underground engineering construction using the drill and blast method. 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. The rock drilling rig can be divided into horizontal tunneling drilling rigs, mining drilling rigs, anchor drilling rigs, and open-pit drilling rigs; according to the traveling mechanism of the drilling rig, it can be divided into rail-wheel, tire, and crawler types; according to the number of rock drills installed, it can be divided into single-machine, double-machine, and multi-machine drilling rigs.
[0003] However, the existing rock drilling rigs have a low limiting effect on the drill rod and poor stability of the drill rod. During the operation of the rock drill, the impact force can easily cause the drill rod to vibrate and sway, resulting in abnormal operation or even breakage of the drill rod. Therefore, a drill rod guide device for a rock drilling rig is proposed to address the above problems. Utility Model Content
[0004] The technical problem to be solved by the utility model is that the existing technology has the disadvantage that the impact force can easily cause the vibration and swing of the drill rod body, resulting in abnormal operation or even fracture and failure of the drill rod body. For this reason, we propose a drill rod guide device for a rock drilling rig.
[0005] The technical solution adopted by the utility model to solve the technical problem is: a drill rod guide device for a rock drilling trolley, comprising a mounting frame; a rock drill is bolted to the right side of the top of the mounting frame, a drill rod body is provided at the output end of the rock drill, support rods are bolted to the front and back of the top of the mounting frame in sequence from left to right, and a box is bolted to the top of the support rod, a guide mechanism for limiting the drill rod body is provided in the inner cavity of the box, and support blocks are bolted to the top of the mounting frame in sequence from left to right.
[0006] Preferably, the guide mechanism includes a rotating shaft, a first gear, a second gear, a threaded rod, a threaded block, a movable plate, a movable rod and a pressure block. Both sides of the box body are rotatably connected with the rotating shaft through bearings. The surface of the rotating shaft is keyed with the first gear from left to right in sequence. The bottom of the first gear is meshed with the second gear. The inner cavity of the second gear is keyed with the threaded rod. The bottom of the threaded rod is rotatably connected to both sides of the bottom of the box body through bearings. The surface of the threaded rod is threadedly connected with a threaded block. The movable plate is bolted on the opposite side of the threaded block. The movable rod is bolted on both sides of the bottom of the movable plate. The bottom of the movable rod passes through the box body and is bolted with a pressure block.
[0007] Preferably, the bottom of the pressing block and the top of the supporting block are both provided with grooves for matching with the drill rod body.
[0008] Preferably, a handle is bolted to the right side of the rotating shaft, a through hole is provided at the top of the handle, and a clamping rod is clamped in the inner cavity of the through hole, a sliding groove is provided on the right side of the box body, a slider is slidably connected to the inner cavity of the sliding groove, the top of the slider is bolted to the bottom of the clamping rod, a fixing block is bolted to the bottom of the right side of the box body, and a spring is fixedly connected to the top of the fixing block, and the bottom of the slider is fixedly connected to the top of the spring.
[0009] Preferably, sliding columns are bolted on both sides of the inner cavity of the box body, sliding sleeves are slidably connected to the surfaces of the sliding columns, and the facing sides of the sliding sleeves are bolted to both sides of the moving plate.
[0010] Preferably, a stopper is bolted to the top of the sliding column.
[0011] Preferably, sealing rings are bonded to both sides of the bottom of the inner cavity of the box, and the inner ring of the sealing ring is in contact with the surface of the moving rod.
[0012] The beneficial effects of the utility model are:
[0013] 1. The utility model limits and guides the drill rod body through the structural design of the rotating shaft, the first gear, the second gear, the threaded rod, the threaded block, the moving plate, the moving rod and the pressing block, thereby preventing the drill rod body from vibrating and swaying, and improving the operating stability of the drill arm of the rock drilling trolley;
[0014] 2. The utility model fixes the handle through the structural design of the slide groove, the slider and the spring. In the process of guiding the drill rod body, the handle is prevented from rotating to cause the pressure block to move upward, thereby avoiding the reduction of the stability of the drill rod body. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a cross-sectional view of the box structure of the utility model;
[0018] Figure 3 This is a front view of the pressing block and supporting block structure of the utility model;
[0019] Figure 4 For the utility model Figure 1 An enlarged view of the structure at point A is shown.
[0020] In the figure: 1. mounting frame; 2. rock drill; 3. drill rod body; 4. box; 5. guide mechanism; 51. rotating shaft; 52. first gear; 53. second gear; 54. threaded rod; 55. threaded block; 56. moving plate; 57. moving rod; 58. pressure block; 6. support block; 7. handle; 8. clamping rod; 9. slide groove; 10. slide block; 11. slide column; 12. slide sleeve; 13. stop block. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] The following is combined with Figure 1-4 To further explain this application in detail,
[0023] The present application discloses a drilling rig drill rod guide device. Figure 1 and Figure 2 A drill rod guide device for a rock drilling rig comprises a mounting frame 1; a rock drill 2 is bolted to the right side of the top of the mounting frame 1, a drill rod body 3 is provided at the output end of the rock drill 2, support rods are bolted to the front and back of the top of the mounting frame 1 in sequence from left to right, and a box body 4 is bolted to the top of the support rod, a guide mechanism 5 for limiting the drill rod body 3 is provided in the inner cavity of the box body 4, and support blocks 6 are bolted to the top of the mounting frame 1 in sequence from left to right.
[0024] Reference Figure 2 and Figure 3The guide mechanism 5 includes a rotating shaft 51, a first gear 52, a second gear 53, a threaded rod 54, a threaded block 55, a movable plate 56, a movable rod 57 and a pressing block 58. The rotating shaft 51 is rotatably connected to both sides of the box body 4 through bearings. The surface of the rotating shaft 51 is keyed to the first gear 52 in sequence from left to right. The bottom of the first gear 52 is meshed with the second gear 53. The inner cavity of the second gear 53 is keyed to the threaded rod 54. The bottom of the threaded rod 54 is rotatably connected to both sides of the bottom of the inner cavity of the box body 4 through bearings. The surface of the threaded rod 54 is threadedly connected to the threaded block 55. The moving plate 56 is bolted to the opposite side of the threaded block 55. The bottom of the moving plate 56 The two sides of the part are bolted with moving rods 57, the bottom of the moving rod 57 passes through the box body 4 and is bolted with a pressure block 58; the user rotates the rotating shaft 51, the rotating shaft 51 drives the first gear 52 to rotate, the first gear 52 drives the second gear 53 to rotate, the second gear 53 drives the threaded rod 54 to rotate, and then the threaded rod 54 drives the threaded block 55 to move downward, so that the threaded block 55 drives the moving plate 56 to move downward, and then the moving plate 56 drives the moving rod 57 to move downward, and then the moving rod 57 drives the pressure block 58 to move downward, so as to limit and guide the drill rod body 3 to avoid vibration and swaying of the drill rod body 3, thereby improving the operating stability of the drill arm of the rock drilling trolley.
[0025] Reference Figure 3 The bottom of the pressing block 58 and the top of the supporting block 6 are both provided with grooves for use with the drill rod body 3; and are used in conjunction with the drill rod body 3.
[0026] Reference Figure 2 and Figure 4 A handle 7 is bolted to the right side of the rotating shaft 51, a through hole is opened at the top of the handle 7, and a clamping rod 8 is clamped in the inner cavity of the through hole, a slide groove 9 is opened on the right side of the box body 4, a slider 10 is slidably connected to the inner cavity of the slide groove 9, the top of the slider 10 is bolted to the bottom of the clamping rod 8, a fixed block is bolted to the bottom of the right side of the box body 4, and a spring is fixedly connected to the top of the fixed block, and the bottom of the slider 10 is fixedly connected to the top of the spring; in the process of guiding the drill rod body 3, the handle 7 is prevented from rotating to cause the pressure block 58 to move upward, thereby preventing the stability of the drill rod body 3 from being reduced.
[0027] Reference Figure 2 Slide columns 11 are bolted on both sides of the inner cavity of the box body 4, and the surface of the slide column 11 is slidably connected with a sliding sleeve 12, and the opposite sides of the sliding sleeve 12 are bolted to the two sides of the movable plate 56; the movable plate 56 is limited, and the movable plate 56 is assisted to be raised and lowered, thereby assisting the movable rod 57 and the pressure block 58 to be raised and lowered, thereby improving the stability of the movable plate 56, the movable rod 57 and the pressure block 58.
[0028] Reference Figure 2A stopper 13 is bolted to the top of the sliding post 11 to prevent the sliding sleeve 12 from falling off the surface of the sliding post 11 and to prevent the threaded block 55 from contacting the second gear 53 .
[0029] Reference Figure 2 Sealing rings are bonded to both sides of the bottom of the inner cavity of the box body 4, and the inner ring of the sealing ring is in contact with the surface of the moving rod 57; the gap between the box body 4 and the moving rod 57 is blocked, thereby improving the sealing performance of the box body 4.
[0030] Working principle: the user moves the clamping rod 8 downward, at which time the clamping rod 8 squeezes the spring, and then the user turns the handle 7, the handle 7 drives the rotating shaft 51 to rotate, the rotating shaft 51 drives the first gear 52 to rotate, the first gear 52 drives the second gear 53 to rotate, the second gear 53 drives the threaded rod 54 to rotate, and then the threaded rod 54 drives the threaded block 55 to move downward, so that the threaded block 55 drives the moving plate 56 to move downward, and then the moving plate 56 drives the moving rod 57 to move downward, and then the moving rod 57 drives the pressing block 58 to move downward, and the drill rod body 3 is limited in the groove, and then the clamping rod 8 is passed through the through hole to limit the handle 7, and the drill rod body 3 is guided, thereby improving the stability of the drill rod body 3.
[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A drilling rig drill rod guide device, characterized in that: The invention comprises a mounting frame (1); a rock drill (2) is bolted to the right side of the top of the mounting frame (1); a drill rod body (3) is arranged at the output end of the rock drill (2); support rods are bolted to the front and back of the top of the mounting frame (1) in sequence from left to right, and a box (4) is bolted to the top of the support rods; a guide mechanism (5) for limiting the position of the drill rod body (3) is arranged in the inner cavity of the box (4); and support blocks (6) are bolted to the top of the mounting frame (1) in sequence from left to right.
2. A drilling rig drill rod guide device according to claim 1, characterized in that: The guide mechanism (5) comprises a rotating shaft (51), a first gear (52), a second gear (53), a threaded rod (54), a threaded block (55), a moving plate (56), a moving rod (57) and a pressing block (58). Both sides of the box body (4) are rotatably connected to the rotating shaft (51) via bearings. The surface of the rotating shaft (51) is keyed to the first gear (52) in sequence from left to right. The bottom of the first gear (52) is meshed with the second gear (53). The inner cavity key of the second gear (53) is connected to a threaded rod (54), the bottom of the threaded rod (54) is rotatably connected to the two sides of the bottom of the inner cavity of the box body (4) through a bearing, the surface of the threaded rod (54) is threadedly connected to a threaded block (55), the opposite side of the threaded block (55) is bolted to a moving plate (56), both sides of the bottom of the moving plate (56) are bolted to moving rods (57), the bottom of the moving rod (57) passes through the box body (4) and is bolted to a pressure block (58).
3. A drilling rig drill rod guide device according to claim 2, characterized in that: The bottom of the pressing block (58) and the top of the supporting block (6) are both provided with grooves for use with the drill rod body (3).
4. A drilling rig drill rod guide device according to claim 2, characterized in that: A handle (7) is bolted to the right side of the rotating shaft (51), a through hole is provided at the top of the handle (7), and a clamping rod (8) is clamped in the inner cavity of the through hole; a slide groove (9) is provided on the right side of the box body (4), and a slider (10) is slidably connected to the inner cavity of the slide groove (9), and the top of the slider (10) is bolted to the bottom of the clamping rod (8); a fixed block is bolted to the bottom of the right side of the box body (4), and a spring is fixedly connected to the top of the fixed block, and the bottom of the slider (10) is fixedly connected to the top of the spring.
5. The drill rod guide device of a rock drilling rig according to claim 1, characterized in that: Sliding columns (11) are bolted to both sides of the inner cavity of the box body (4), and sliding sleeves (12) are slidably connected to the surfaces of the sliding columns (11), and the facing sides of the sliding sleeves (12) are bolted to both sides of the moving plate (56).
6. A drilling rig drill rod guide device according to claim 5, characterized in that: A stopper (13) is bolted to the top of the sliding column (11).
7. The drill rod guide device of a rock drilling rig according to claim 1, characterized in that: Sealing rings are bonded to both sides of the bottom of the inner cavity of the box body (4), and the inner ring of the sealing ring is in contact with the surface of the moving rod (57).