Positioning device for drill rod of rock drill

Abstract

The utility model relates to the technical field of rock drills, and discloses a rock drill rod positioning device which comprises a base, a positioning mechanism and an angle adjusting mechanism are arranged on the base, and a limiting mechanism is arranged on the angle adjusting mechanism. The sleeve, the sleeve rod, the positioning plate and the positioning bearing are used for supporting the drill rod, the electric hydraulic rod is started to drive the sleeve rod to slide along the inner wall of the sleeve, the sleeve rod drives the positioning plate and the positioning bearing to move, and therefore the supporting height of the drill rod is adjusted, the hand wheel is rotated to drive the lead screw to rotate, and the lead screw drives the sliding block and the rack to move. Therefore, the rack drives the gear and the sleeve to rotate, the angle of the drill rod is adjusted, auxiliary positioning of the drill rod is achieved, the stability of the drill rod in the drilling operation process is guaranteed, manpower loss is reduced, and the drilling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rock drills, in particular to a drill rod positioning device for a rock drill. Background Art

[0002] In the process of tunnel drilling and blasting, pneumatic rock drills are commonly used for drilling. In the process of drilling, hand-held drill rods are generally used to align with the point numbers of the measurement marks until the drilling depth reaches 5 to 10 cm. The existing hand-held drill rod method is prone to problems such as inaccurate drilling position and angle, resulting in unsatisfactory blasting effect and serious over-excavation and under-excavation. In addition, it also leads to greater labor intensity for construction workers. Therefore, a rock drill rod positioning device is proposed to solve the above-mentioned problems. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a rock drill rod positioning device in view of the deficiencies in the above-mentioned prior art.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a rock drill rod positioning device, comprising a base, a positioning mechanism and an angle adjustment mechanism are arranged on the base, and a limiting mechanism is arranged on the angle adjustment mechanism;

[0005] The positioning mechanism comprises: a sleeve, the sleeve is rotatably connected to the top of the base, a sleeve rod is slidably connected to the inner wall of the sleeve, a positioning plate is fixedly connected to the top of the sleeve rod, a positioning bearing is embedded in the right side of the positioning plate, an electric hydraulic rod is fixedly installed on the bottom inner wall of the sleeve, and the piston end of the electric hydraulic rod is connected to the sleeve rod;

[0006] The angle adjustment mechanism includes: a gear and a fixed plate. The gear fixing sleeve is arranged below the outer wall of the sleeve. There are two fixed plates. The two fixed plates are relatively fixedly connected to the top of the base. A screw rod is rotatably connected between the two fixed plates through a bearing, and the front end of the screw rod passes through the fixed plate and extends forward. The extended end of the screw rod is fixedly connected to a handwheel, the outer wall of the screw rod is threadedly connected to a slider, and the right side of the slider is fixedly connected to a rack.

[0007] Preferably, the interior of the sleeve rod is hollow and the bottom end is open, and the piston end of the electric hydraulic rod is fixedly connected to the top inner wall of the sleeve rod.

[0008] Preferably, two sliding rods are relatively fixedly connected between the two fixing plates, and the sliding block is slidably connected to the two sliding rods, and the sliding block is limited by the sliding rods, so that the rotational motion of the sliding block is converted into horizontal motion.

[0009] Preferably, the rack is meshed with the gear, and mounting holes are respectively provided at the four corners of the top of the base, so that the base can be easily installed and fixed through the provided mounting holes, thereby facilitating the use of the device.

[0010] Preferably, the limiting mechanism comprises: a limiting hole and a limiting rod. There are several limiting holes, and the limiting holes are equidistantly arranged in a circle on the front side of the fixed plate. The limiting rod is inserted into the front side of the hand wheel.

[0011] Preferably, a plug hole is provided on the front side of the hand wheel, the limit rod is inserted into the plug hole, and the rear end of the limit rod is inserted into one of the limit holes.

[0012] The utility model adopts the above technical solution, which can bring the following beneficial effects:

[0013] 1. The drill rod positioning device of the rock drill uses a positioning mechanism and an angle adjustment mechanism in coordination, and uses a sleeve, a sleeve rod, a positioning plate and a positioning bearing to support the drill rod. The sleeve rod is driven to slide along the inner wall of the sleeve by starting the electric hydraulic rod, and the sleeve rod drives the positioning plate and the positioning bearing to move, so as to adjust the support height of the drill rod. The screw rod is driven to rotate by turning the hand wheel, and the screw rod drives the slider and the rack to move, so that the rack drives the gear and the sleeve to rotate, so as to adjust the angle of the drill rod, thereby realizing auxiliary positioning of the drill rod, ensuring the stability of the drill rod during drilling operations, reducing manpower loss, and improving drilling efficiency.

[0014] 2. The drill rod positioning device of the rock drill uses the limiting holes and limiting rods in coordination, and uses the limiting rods and limiting holes to limit and fix the hand wheel, so as to prevent the hand wheel from rotating due to the influence of vibration force during the drilling process of the drill rod, thereby further improving the stability of the drill rod drilling operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0016] Figure 2 It is a front cross-sectional view of the utility model;

[0017] Figure 3 It is a left view of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the limiting mechanism in the utility model.

[0019] In the figure: 1. base; 2. positioning mechanism; 21. sleeve; 22. sleeve rod; 23. positioning plate; 24. positioning bearing; 25. electric hydraulic rod; 3. angle adjustment mechanism; 31. gear; 32. fixing plate; 33. screw rod; 34. slider; 35. rack; 36. hand wheel; 37. slide rod; 4. limit mechanism; 41. limit hole; 42. limit plug rod; 5. mounting hole. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4An embodiment of the utility model is: a rock drill rod positioning device, comprising a base 1, a positioning mechanism 2 and an angle adjustment mechanism 3 are arranged on the base 1, and a limit mechanism 4 is arranged on the angle adjustment mechanism 3; the positioning mechanism 2 comprises: a sleeve 21, the sleeve 21 is rotatably connected to the top of the base 1, a sleeve rod 22 is slidably connected to the inner wall of the sleeve 21, a positioning plate 23 is fixedly connected to the top of the sleeve rod 22, a positioning bearing 24 is embedded in the right side of the positioning plate 23, an electric hydraulic rod 25 is fixedly installed on the bottom inner wall of the sleeve 21, and the piston end of the electric hydraulic rod 25 is connected to the The sleeve rod 22 is connected, the sleeve rod 22 is hollow inside and has an open bottom. The piston end of the electric hydraulic rod 25 is fixedly connected to the top inner wall of the sleeve rod 22. The sleeve 21, the sleeve rod 22, the positioning plate 23 and the positioning bearing 24 are used to support the drill pipe. By starting the electric hydraulic rod 25, the sleeve rod 22 is driven to slide along the inner wall of the sleeve 21, and the sleeve rod 22 drives the positioning plate 23 and the positioning bearing 24 to move, thereby adjusting the support height of the drill pipe; the angle adjustment mechanism 3 includes: a gear 31 and a fixing plate 32. The gear 31 is fixedly sleeved under the outer wall of the sleeve 21 There are two fixed plates 32, which are relatively fixedly connected to the top of the base 1. A screw rod 33 is rotatably connected between the two fixed plates 32 through a bearing, and the front end of the screw rod 33 passes through the fixed plate 32 and extends forward. A hand wheel 36 is fixedly connected to the extended end of the screw rod 33. A slider 34 is threadedly connected to the outer wall of the screw rod 33. Two slide rods 37 are relatively fixedly connected between the two fixed plates 32, and the slider 34 is slidably connected to the two slide rods 37. The slider 34 is limited by the slide rod 37, so that the rotational motion of the slider 34 is converted into horizontal motion. A rack 35 is fixedly connected to the right side of the slider 34, and the rack 35 is meshed with the gear 31. By turning the hand wheel 36, the screw rod 33 is driven to rotate, and the screw rod 33 drives the slider 34 and the rack 35 to move, so that the rack 35 drives the gear 31 and the sleeve 21 to rotate, thereby adjusting the angle of the drill rod, realizing the auxiliary positioning of the drill rod, ensuring the stability of the drill rod during the drilling operation, reducing manpower loss, and improving the drilling efficiency; mounting holes 5 are respectively opened at the four corners of the top of the base 1, and the mounting holes 5 are set to facilitate the installation and fixation of the base 1, which is convenient for the use of the device.

[0022] Working principle: by inserting the drill rod into the positioning bearing 24, the drill rod is supported by the sleeve 21, the sleeve rod 22, the positioning plate 23 and the positioning bearing 24, and by starting the electric hydraulic rod 25 to drive the sleeve rod 22 to slide along the inner wall of the sleeve 21, the sleeve rod 22 drives the positioning plate 23 and the positioning bearing 24 to move, so as to adjust the support height of the drill rod, by turning the hand wheel 36 to drive the screw rod 33 to rotate, the screw rod 33 drives the slider 34 to move horizontally under the limit of the slide rod 37, so that the slider 34 drives the rack 35 to move, so that the rack 35 drives the gear 31 to rotate, the gear 31 drives the sleeve 21 to rotate, the sleeve 21 drives the sleeve rod 22 to rotate, the sleeve rod 22 drives the positioning plate 23 and the positioning bearing 24 to rotate, so as to adjust the angle of the drill rod, and then align the drill rod with the marked position to achieve auxiliary positioning of the drill rod.

[0023] See also Figure 1-4 On the basis of the above embodiment, in another embodiment of the utility model, the limiting mechanism 4 includes: a limiting hole 41, a limiting rod 42, the number of the limiting holes 41 is several, and the several limiting holes 41 are equidistantly arranged on the front side of the front fixing plate 32, the limiting rod 42 is inserted into the front side of the hand wheel 36, the front side of the hand wheel 36 is provided with an insertion hole, the limiting rod 42 is inserted into the insertion hole, and the rear end of the limiting rod 42 is inserted into one of the limiting holes 41, the limiting rod 42 and the limiting hole 41 are used to limit and fix the hand wheel 36, so as to prevent the hand wheel 36 from rotating due to the influence of vibration force during the drilling process of the drill rod, thereby further improving the stability of the drilling operation of the drill rod.

[0024] Working principle: by inserting the limit rod 42 into the socket on the handwheel 36 and inserting one end of the limit rod into the corresponding limit hole 41, the handwheel 36 is limited and fixed by using the limit rod 42 and the limit hole 41, so as to prevent the handwheel 36 from rotating due to the influence of vibration force during the drilling process of the drill rod, thereby preventing the sleeve 21, the sleeve rod 22, the positioning plate 23, and the positioning bearing 24 from deflecting when supporting the drill rod, thereby further improving the stability of the drill rod drilling operation.

[0025] It is worth noting that, for the convenience of control, the electric hydraulic rod 25 in the above embodiment is provided with a control switch for controlling opening and closing. The above are all prior arts and are not the main innovations, and will not be described in detail here.

[0026] The utility model provides a rock drill rod positioning device. There are many methods and ways to implement the technical solution. The above is only the preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model. These improvements and modifications should also be regarded as the protection scope of the utility model. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A rock drill rod positioning device, comprising a base (1), characterized in that: The base (1) is provided with a positioning mechanism (2) and an angle adjustment mechanism (3), and the angle adjustment mechanism (3) is provided with a limiting mechanism (4); The positioning mechanism (2) comprises: a sleeve (21), the sleeve (21) is rotatably connected to the top of the base (1), the inner wall of the sleeve (21) is slidably connected to a sleeve rod (22), the top end of the sleeve rod (22) is fixedly connected to a positioning plate (23), a positioning bearing (24) is embedded in the right side of the positioning plate (23), an electric hydraulic rod (25) is fixedly installed on the inner wall of the bottom of the sleeve (21), and the piston end of the electric hydraulic rod (25) is connected to the sleeve rod (22); The angle adjustment mechanism (3) comprises: a gear (31) and a fixing plate (32), wherein the gear (31) is fixedly sleeved below the outer wall of the sleeve (21), there are two fixing plates (32), the two fixing plates (32) are relatively fixedly connected to the top of the base (1), a screw rod (33) is rotatably connected between the two fixing plates (32) via a bearing, and the front end of the screw rod (33) passes through the fixing plate (32) and extends forward, the extended end of the screw rod (33) is fixedly connected to a hand wheel (36), the outer wall of the screw rod (33) is threadedly connected to a slider (34), and the right side of the slider (34) is fixedly connected to a rack (35).

2. A rock drill rod positioning device according to claim 1, characterized in that: The interior of the sleeve rod (22) is hollow and the bottom end is open, and the piston end of the electric hydraulic rod (25) is fixedly connected to the top inner wall of the sleeve rod (22).

3. A rock drill rod positioning device according to claim 1, characterized in that: Two sliding rods (37) are relatively fixedly connected between the two fixed plates (32), and the sliding block (34) is slidably connected to the two sliding rods (37).

4. A rock drill rod positioning device according to claim 1, characterized in that: The rack (35) is meshed with the gear (31), and mounting holes (5) are respectively provided at the four corners of the top of the base (1).

5. A rock drill rod positioning device according to claim 1, characterized in that: The limiting mechanism (4) comprises: a limiting hole (41) and a limiting insertion rod (42). The limiting holes (41) are provided in a plurality of numbers. The plurality of limiting holes (41) are equidistantly arranged in a circle on the front side of the fixing plate (32) in the front. The limiting insertion rod (42) is inserted into the front side of the hand wheel (36).

6. A rock drill rod positioning device according to claim 5, characterized in that: The front side of the hand wheel (36) is provided with an insertion hole, the limiting insertion rod (42) is inserted into the insertion hole, and the rear end of the limiting insertion rod (42) is inserted into one of the limiting holes (41).

Images