Guide bracket for rock drill
By designing the gear meshing of the guide bracket and the ratchet-pawl turntable structure, the limitations of the rock drill guide frame docking and adjustment were solved, thereby improving the accuracy and flexibility of rock drill testing and expanding the testing range.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2026-04-10
AI Technical Summary
The existing rock drill guide frame is not suitable for docking and adjustment according to different rock drill models during dynamometer testing, resulting in a large limitation in the testing process, a narrow range of test data, and insufficient accuracy.
A guide bracket for rock drills was designed, comprising a guide support frame, a support platform, a lifting rod, a gear meshing structure, and a ratchet and pawl turntable. Through the gear meshing and the cooperation of the ratchet and pawl turntable, the height of the support platform can be adjusted and the clamping plate can be accurately positioned to meet the testing needs of different rock drills.
This improved the accuracy and flexibility of rock drill testing, expanded the coverage of test data, ensured the precise connection between the rock drill and the dynamometer, and enhanced the accuracy of the test.
Smart Images

Figure CN224107972U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rock drill test equipment technical field, concretely is a kind of rock drill guiding bracket. BACKGROUND
[0002] Rock drilling jumbo test equipment is a kind of platform specially used to simulate actual working environment and test rock drilling jumbo performance, and rock drilling jumbo test equipment includes steel structure support group, installation platform, guiding bracket, quick connector, gear box, brake clamp, brake disc group, linear guide rail, bearing seat group, torque sensor, dynamometer, oil cylinder group, pull rope sensor, fence group and control system group.
[0003] The existing patent with publication number CN201773009U discloses a gas leg type rock drill running-in test bed, and support objects are sequentially connected on the track of the running-in test bed, and components for fixing the gas leg type rock drill and a test energy absorption device are installed on the support frame.
[0004] When rock drill is tested, rock drill and dynamometer equipment need to be positioned, rock drill is installed on support structure, then connected with dynamometer equipment, i.e. rock drill is tested, and the existing rock drill test bed has the following problems in use: rock drill equipment is installed on test bed, and the horizontal plane of test bed is used to connect rock drill and dynamometer equipment by sliding, but due to different models of rock drill, only the horizontal plane of test bed is used to keep the docking accuracy of rock drill and dynamometer equipment, so that the overall operation has limitations, only single model of rock drill can be tested, rock drill cannot be adjusted according to different sizes, flexibility is insufficient, test data coverage range is narrow, and test data of rock drill is not accurate enough.
[0005] Therefore, the technical personnel in the art provide a rock drill guiding bracket to solve the problems in the above background. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a rock drill guiding bracket to solve the problems in the above background that the existing rock drill guiding bracket is not conducive to docking adjustment according to different rock drills during dynamometer test, resulting in large limitations in test process.
[0007] To achieve the above object, the utility model provides the following technical scheme:
[0008] A rock drill guiding bracket, comprising a guiding support frame, a support platform is fixedly installed on the top of the guiding support frame, a positioning seat is fixedly installed on the upper surface of the support platform, a lifting rod is slidably inserted into the positioning seat, a top seat is fixedly installed on the top of the lifting rod, a support table is fixedly installed above the top seat, a clamping plate is slidably installed on the upper surface of the support table, a rock drill body is arranged on the upper surface of the support table, teeth are fixedly distributed on the surface of the lifting rod, a gear is meshingly installed on the outer side of the teeth, a lower rotating wheel is rotatably connected inside the guiding support frame, an upper rotating wheel is rotatably installed above the lower rotating wheel, a toothed belt is sleeved between the upper rotating wheel and the lower rotating wheel, and a ratchet pawl type turntable is connected to the center line of the upper rotating wheel.
[0009] As a further scheme of the utility model: the outer wall of the clamping plate is connected with a transverse guide rod, a push screw is threadedly connected in the middle of the outer wall of the clamping plate, and vertical guide rods are fixedly connected to the bottom of the two sides of the support table.
[0010] As a further scheme of the utility model: the push screw is threadedly connected to the two sides of the support table, and the clamping plate is slidably connected between the transverse guide rod and the support table.
[0011] As a further scheme of the utility model: the bottom of the support table is connected to the support platform through the vertical guide rods, and the support table and the support platform form a sliding structure through the vertical guide rods.
[0012] As a further scheme of the utility model: the teeth are equidistantly distributed on the surface of the lifting rod, and the gear and the teeth on the surface of the lifting rod form a meshing structure.
[0013] As a further scheme of the utility model: the ratchet pawl type turntable is rotatably connected to the guiding support frame, and the ratchet pawl type turntable is fixedly connected to the upper rotating wheel, and the upper rotating wheel is connected to the lower rotating wheel through the toothed belt.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] The support platform is fixedly installed at the top of the guide support frame, a support table is installed above the support platform, a lifting rod is fixedly connected to the middle of the bottom of the support table, the surface of the lifting rod is distributed with teeth, the meshing structure between the teeth and a gear is utilized, the gear and a lower rotating wheel are connected with each other, the lower rotating wheel and an upper rotating wheel are connected through a toothed belt, a ratchet pawl type turntable and the upper rotating wheel are connected with each other, the ratchet pawl type turntable rotates to drive the upper rotating wheel to rotate, the upper rotating wheel rotates to drive the lower rotating wheel to rotate through the toothed belt, the gear rotates with the lower rotating wheel, the gear rotates to cooperate with the teeth on the surface of the lifting rod, thereby driving the lifting rod to lift, thereby adjusting the height of the support table, so as to adapt to the test of different rock drills and improve the test accuracy and comprehensiveness of the rock drill. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a structural schematic view of a guide bracket for a rock drill.
[0017] Fig. 2 It is a structural schematic view of a guide support frame in a guide bracket for a rock drill.
[0018] Fig. 3 It is a structural schematic view of the bottom of a guide support frame in a guide bracket for a rock drill.
[0019] Fig. 4 It is a structural schematic view of a lifting rod in a guide bracket for a rock drill.
[0020] In the figure: 1, guide support frame; 2, support platform; 3, positioning seat; 4, support table; 5, rock drill body; 6, ratchet pawl type turntable; 7, vertical guide rod; 8, clamping plate; 9, transverse guide rod; 10, push screw; 11, top seat; 12, lifting rod; 13, teeth; 14, gear; 15, lower rotating wheel; 16, upper rotating wheel; 17, toothed belt. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] Please refer to Figs. 1-4The utility model discloses a rock drill guiding bracket, including: guiding support frame 1, the top fixed mounting of guiding support frame 1 has support platform 2, the upper surface fixed mounting of support platform 2 has the locating seat 3, the inside sliding of locating seat 3 has the lift rod 12, the top fixed mounting of lift rod 12 has the top seat 11, the top fixed mounting of top seat 11 has the support station 4, the upper surface sliding installation of support station 4 has the clamping plate 8, the upper surface middle of support station 4 is placed rock drill body 5, the outer wall of clamping plate 8 is connected with horizontal direction guide bar 9, the outer wall middle screw joint of clamping plate 8 has the push screw rod 10, the bottom fixed connection of both sides of support station 4 has the vertical guide bar 7, and the both sides of push screw rod 10 and support station 4 are screw joint, and the sliding connection between clamping plate 8 and support station 4 through horizontal direction guide bar 9, and the mutual connection between the bottom of support station 4 and support platform 2 through vertical guide bar 7, and support station 4 is connected between the support platform 2 through vertical guide bar 7 and constitutes the sliding structure;
[0023] Specifically, by the setting of vertical guide bar 7, when support station 4 is adjusted along with the lift rod 12, vertical guide bar 7 will limit and guide the height of support station 4, improve the lifting accuracy of support station 4, use the clamping plate 8 on the top of support station 4 to position and clamp rock drill body 5, use the screw joint of push screw rod 10 and the both sides of support station 4, and then push clamping plate 8 to move, in the moving process of clamping plate 8, horizontal direction guide bar 9 will guide the moving direction of clamping plate 8, realize the accurate guiding and clamping of rock drill.
[0024] The surface of lift rod 12 is fixedly distributed with gear teeth 13, the outside of gear teeth 13 is engaged and installed with gear 14, the inside rotation of guiding support frame 1 is connected with lower runner 15, the upper rotation of lower runner 15 is installed with upper runner 16, and the center line of upper runner 16 is connected with ratchet and pawl type turntable 6, gear teeth 13 are equidistantly distributed along the surface of lift rod 12, gear 14 and the gear teeth 13 on the surface of lift rod 12 constitute meshing structure, ratchet and pawl type turntable 6 and guiding support frame 1 are rotation structure, and ratchet and pawl type turntable 6 and upper runner 16 are fixedly connected, and upper runner 16 is connected with lower runner 15 through gear teeth 13 plate belt;
[0025] Specifically, the lifting rod 12 is slidingly installed in the interior of the guide support frame 1, and the top of the lifting rod 12 is connected with the bottom of the support table 4 through the top seat 11, the rotating ratchet pawl type turntable 6 is rotated, the upper rotating wheel 16 is rotated, the lower rotating wheel 15 is rotated through the toothed belt 17, the lower rotating wheel 15 is connected with the gear 14, the gear 14 is rotated with the lower rotating wheel 15, the meshing structure between the gear 14 and the tooth 13 is utilized, and then the lifting rod 12 is pushed to move up and down, so that the height of the support table 4 is adjusted, in addition, the ratchet pawl type turntable 6 is a bidirectional ratchet, the ratchet tooth and the pawl are matched, and the ratchet is locked immediately when stopping rotating, thus, the rotation of the gear 14 is facilitated, and the gear slipping phenomenon does not occur when stopping rotating.
[0026] The working principle of the utility model is:
[0027] When the utility model is used, first, the rock drill body 5 is placed on the upper surface of the support table 4, then the push screw 10 is rotated, the push screw 10 is screw-connected on the two sides of the support table 4, the push screw 10 pushes the clamping plate 8 to move, the clamping plate 8 is sliding on the upper side of the support table 4 through the horizontal guide rod 9, the rock drill body 5 is clamped and fixed, the accurate guiding and clamping of the rock drill are realized, then the ratchet pawl type turntable 6 is rotated, the ratchet pawl type turntable 6 drives the upper rotating wheel 16 to rotate, the lower rotating wheel 15 is rotated through the toothed belt 17, the gear 14 is rotated with the lower rotating wheel 15, the gear 14 is meshed with the tooth 13 on the surface of the lifting rod 12, so that the lifting rod 12 is pushed to slide up and down in the positioning seat 3, the top seat 11 and the support table 4 are lifted and lowered with the lifting rod 12, the support table 4 is sliding on the upper side of the support platform 2 through the vertical guide rod 7, the lifting stability is ensured, and the support table 4 is adjusted to the appropriate position according to the height of the rock drill body 5 during the lifting process, so that the rock drill body 5 can be aligned with the dynamometer on the test bench, and the rock drill is subjected to the dynamometer test.
[0028] The above merely describes a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A guide carriage for a rock drill, characterized in that Include: The top of the guide support frame (1) is fixedly installed with a support platform (2), the upper surface of the support platform (2) is fixedly installed with a positioning seat (3), the inside of the positioning seat (3) is slidably inserted with a lifting rod (12), the top of the lifting rod (12) is fixedly installed with a top seat (11), the upper surface of the top seat (11) is fixedly installed with a support table (4), the upper surface of the support table (4) is slidably installed with a clamping plate (8), the upper surface of the support table (4) is arranged with a rock drill body (5), the surface of the lifting rod (12) is fixedly distributed with a tooth (13), the outer side of the tooth (13) is engagedly installed with a gear (14), the inside of the guide support frame (1) is rotatably connected with a lower rotating wheel (15), the upper side of the lower rotating wheel (15) is rotatably installed with an upper rotating wheel (16), the upper rotating wheel (16) and the lower rotating wheel (15) are sleeved with a toothed belt (17), the center line of the upper rotating wheel (16) is connected with a ratchet pawl type turntable (6).
2. A drill guide carriage according to claim 1, characterised in that The outer wall of the clamping plate (8) is connected with a transverse guide rod (9), the outer wall of the clamping plate (8) is threadedly connected with a push screw (10), the both sides of the support table (4) are fixedly connected with a vertical guide rod (7).
3. A drill guide carriage according to claim 2, characterised in that, The push screw (10) is threadedly connected with the both sides of the support table (4), and the clamping plate (8) is slidably connected between the transverse guide rod (9) and the support table (4).
4. A drill guide bracket according to claim 1, wherein, The bottom of the support table (4) is connected between the support platform (2) through the vertical guide rod (7), and the support table (4) forms a sliding structure between the support platform (2) through the vertical guide rod (7).
5. A drill guide bracket according to claim 1, wherein, The teeth (13) are equidistantly distributed on the surface of the lifting rod (12), and the gear (14) and the teeth (13) on the surface of the lifting rod (12) form an engagement structure.
6. A drill guide according to claim 1, wherein, The ratchet pawl type turntable (6) is rotatably connected with the guide support frame (1), and the ratchet pawl type turntable (6) is fixedly connected with the upper rotating wheel (16), and the upper rotating wheel (16) is connected with the lower rotating wheel (15) through the toothed belt.
Citation Information
Patent Citations
Air-leg rock drill running-in test bed
CN201773009U