Rod replacing machine of drill jumbo

Abstract

The utility model relates to the technical field of gold mine mining, and discloses a drill jumbo rod replacing machine which comprises a drill jumbo stretching rod, a drill jumbo rod replacing device and a drill jumbo rod replacing device. The conveying assembly internally comprises a bottom plate and a sliding frame, and the sliding frame is in an L shape and is fixedly connected to the two ends of the top of the bottom plate; the driving assembly is arranged on one side of the bottom plate, and the driving assembly internally comprises a movable rack, a push plate, a small motor and a gear; the rolling assemblies are arranged on the inner walls of the opposite sides of the two sliding frames; and a buffer assembly. According to the utility model, through the arranged buffer assembly, shaking of the drill jumbo stretching rod during conveying can be buffered through contraction of a first reset spring and a second reset spring, the conveying stability of the drill jumbo stretching rod is kept, elastic potential energy is absorbed through contraction of a damping rod, and the buffer stability is kept; therefore, the drill jumbo is prevented from shaking during rod stretching and conveying to cause dislocation, and the accuracy of rod replacement is not influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gold mining technical field especially relates to a rod changer of rock drilling jumbo. BACKGROUND

[0002] Rock drilling jumbo is a kind of rock drilling equipment using drill and blast method to construct tunnel and underground engineering.It can move and support multiple rock drills to carry out drilling operation at the same time.Working mechanism is mainly composed of propeller, drill arm, rotating mechanism and translation mechanism.

[0003] Through the retrieval application No. "202322876816.8" discloses a kind of rod changer of rock drilling jumbo for mining, belong to rock drilling jumbo technical field, the rod changer of rock drilling jumbo for mining includes: sliding frame;Moving rack, sliding connection in one side end of sliding frame;Rock drilling jumbo extension rod, set in the upper end of moving rack;Replacement mechanism, replacement mechanism includes: fixed seat, fixedly connected in one side end of sliding frame;Gear, rotationally connected in one side end of fixed seat;Small motor, fixedly connected in one side end of fixed seat, gear is fixedly connected in the output end of small motor;Sliding groove, set in one side end of rock drilling jumbo extension rod;When replacing rock drilling jumbo extension rod, operating small motor drives the moving rack meshing with gear to move, can be through to the electric magnetic cylinder power-off so that rock drilling jumbo extension rod under the elastic force of spring rock drilling jumbo extension rod pops out, further can reach the replacement speed of increasing rock drilling jumbo extension rod, and not easy to make influence to work.

[0004] The technical scheme when using, rock drilling jumbo extension rod when conveying rod changer, it is easy to produce shaking under external force, leading to rock drilling jumbo extension rod operation, further leading to rock drilling jumbo extension rod when docking misplacement and affecting rod changer.

[0005] Therefore, we propose a kind of rod changer of rock drilling jumbo. Utility model content

[0006] The utility model mainly solves the technical problem that rock drilling jumbo extension rod conveying is poor in stability and misplacement affects rod changer, and provides a kind of rod changer of rock drilling jumbo.

[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme, a kind of rod changer of rock drilling jumbo, including:

[0008] Rock drilling jumbo extension rod, rock drilling jumbo extension rod is I-shaped;

[0009] Conveying assembly, the bottom plate and sliding frame are included in conveying assembly, sliding frame is L-shaped and is fixedly connected to the top of the two end positions of bottom plate;

[0010] Drive assembly, drive assembly is set to one side of bottom plate, and drive assembly includes moving rack, push plate, small motor and gear in it.

[0011] Rolling assembly, rolling assembly is arranged in the inner wall of two slide frame opposite side, slide frame is opened with multiple linear arrangement connecting groove, rolling assembly includes rolling groove and ball;

[0012] Buffering assembly, buffering assembly is arranged in the inner wall of connecting groove in the form of circular arrangement, buffering assembly includes first reset spring and second reset spring.

[0013] Further, the moving rack is slidably connected to the bottom of the two slide frames opposite side, the moving rack is provided with a push plate at the top end for pushing, the drill jumbo extension rod is arranged at the top of the moving rack, and the bottom plate is fixedly connected with a fixed seat on one side, the small motor is fixedly connected with the fixed seat at one end through the motor bracket, the output end of the small motor is provided with a transmission shaft, and the gear is fixedly connected with the outer wall of the transmission shaft and engaged with the bottom of the moving rack.

[0014] Further, the rolling groove is arranged in the inner wall of the connecting groove, the ball is rollingly connected to the inner wall of the rolling groove, and a plurality of sliding holes in the form of circular arrangement are formed in the connecting groove, a buffer groove is formed at one end of the sliding hole, and a connecting rod is slidably connected in the sliding hole, and one end of the connecting rod is in contact with the rolling groove.

[0015] Further, the damping rod is arranged on the inner wall of the buffer groove, the first reset spring is sleeved on the outer wall of the damping rod, the connecting rod is fixedly connected with a connecting disc at one end, and the damping rod and the first reset spring are fixedly connected with the connecting disc at the axial position.

[0016] Further, a plurality of limiting sliding grooves in the form of circular arrangement are formed in the inner wall of the buffer groove, a limiting sliding block is slidably connected to the inner wall of the limiting sliding groove, and the second reset spring is fixedly connected to the opposite end of the limiting sliding groove and the limiting sliding block.

[0017] Further, the limiting sliding block is fixedly connected with a pressure plate on the outer wall of one side, the pressure plate is annular and the cross section near the damping rod end is inclined.

[0018] Further, the connecting disc is fixedly connected with an extrusion plate near the pressure plate end, the extrusion plate is circular ring, the extrusion plate is provided with an extrusion groove near the pressure plate end, and the cross section of the extrusion groove outer end is inclined.

[0019] Beneficial effects

[0020] The utility model provides a kind of rod changer of drill jumbo. It has the following beneficial effects:

[0021] (1), the rod changing machine of the rock drilling jumbo, through the buffer assembly set, can buffer the sway of the rock drilling jumbo extension rod conveying through the contraction of the first reset spring and the second reset spring, keep the stability of the rock drilling jumbo extension rod conveying, and keep the stability of the buffer through the contraction of the damping rod to absorb the elastic potential, thereby avoiding the dislocation caused by the sway of the rock drilling jumbo extension rod conveying, and affecting the accuracy of the rod changing.

[0022] (2), the rod changing machine of the rock drilling jumbo, through the setting of the rolling groove and the ball, the friction of the rock drilling jumbo extension rod conveying can be reduced, the excessive friction on the rock drilling jumbo extension rod can be avoided to affect the movement and the rod changing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the front view of the utility model;

[0024] Figure 2 It is the detail view of the driving assembly of the utility model;

[0025] Figure 3 It is the section view of the sliding frame of the utility model;

[0026] Figure 4 It is the A part of the utility model Figure 3 Enlarged view;

[0027] Figure 5 It is the section view of the extrusion plate of the utility model.

[0028] Legend: 1, rock drilling jumbo extension rod; 2, bottom plate; 3, sliding frame; 4, moving rack; 5, push plate; 6, fixed seat; 7, small motor; 8, transmission shaft; 9, gear; 10, rolling groove; 11, ball; 12, connecting rod; 13, connecting disc; 14, extrusion plate; 15, damping rod; 16, first reset spring; 17, limit sliding block; 18, pressure plate; 19, second reset spring; 20, extrusion groove. DETAILED DESCRIPTION

[0029] Embodiment one: a kind of rod changing machine of rock drilling jumbo, as Figure 1 And Figure 2 Shown, including

[0030] Rock drilling jumbo extension rod 1, rock drilling jumbo extension rod 1 is I-shaped;

[0031] Conveying assembly, conveying assembly includes bottom plate 2 and sliding frame 3 in, sliding frame 3 is L-shaped and is fixedly connected to the top two end positions of bottom plate 2;

[0032] Driving assembly, driving assembly is set to one side of bottom plate 2, and driving assembly includes moving rack 4, push plate 5, small motor 7 and gear 9 in;

[0033] Rolling assembly, the rolling assembly is arranged in the inner wall of the opposite side of the two sliding frames 3, a plurality of linearly arranged connecting grooves are formed in the sliding frames 3, the rolling assembly comprises a rolling groove 10 and a ball 11;

[0034] Buffering assembly, the buffering assembly is arranged in the inner wall of the connecting groove in a circumferential arrangement, and the buffering assembly comprises a first reset spring 16 and a second reset spring 19.

[0035] The movable rack 4 is slidably connected to the bottom of the opposite side of the two sliding frames 3, the movable rack 4 is provided with a push plate 5 at the top end for pushing, the rock drilling rig extension rod 1 is arranged at the top of the movable rack 4, and the bottom plate 2 is fixedly connected with a fixed seat 6 on one side, a small motor 7 is fixedly connected to one end of the fixed seat 6 through a motor frame, the output end of the small motor 7 is provided with a transmission shaft 8, and a gear 9 is fixedly connected to the outer wall of the transmission shaft 8 and engaged with the bottom of the movable rack 4.

[0036] When the rock drilling rig extension rod 1 needs to be transported, the small motor 7 is started at this time, the small motor 7 can drive the gear 9 to rotate through the transmission shaft 8, and then drive the movable rack 4 engaged with the gear 9 to slide on the top of the bottom plate 2, the movement of the movable rack 4 can drive the rock drilling rig extension rod 1 to move through the push plate 5 and connect with the rock drilling rig for rod changing.

[0037] As shown in Figure 3 , the rolling groove 10 is arranged in the inner wall of the connecting groove, the ball 11 is rollingly connected to the inner wall of the rolling groove 10, a plurality of sliding holes arranged in a circumferential arrangement are formed in the connecting groove, a buffer groove is formed at one end of the sliding hole, a connecting rod 12 is slidably connected in the sliding hole, and one end of the connecting rod 12 is in contact with the rolling groove 10.

[0038] When the rock drilling rig extension rod 1 is sliding, the ball 11 is in contact with the wall surface of the rock drilling rig extension rod 1 at this time, the rolling of the ball 11 can reduce the friction between the ball 11 and the rock drilling rig extension rod 1, and the stability of the movement of the rock drilling rig extension rod 1 is improved.

[0039] By arranging the rolling groove 10 and the ball 11, the friction during the transportation of the rock drilling rig extension rod 1 can be reduced, and the influence of the excessive friction on the movement of the rock drilling rig extension rod 1 and the rod changing efficiency can be avoided.

[0040] As shown in Figure 4 and Figure 5 , a damping rod 15 is arranged on one side of the inner wall of the buffer groove, a first reset spring 16 is sleeved on the outer wall of the damping rod 15, one end of the connecting rod 12 is fixedly connected with a connecting disc 13, and the other end of the damping rod 15 and the first reset spring 16 is fixedly connected to the axial position of the connecting disc 13.

[0041] A plurality of limiting sliding grooves are arranged on the inner wall of one side of the buffer tank in a circumferential direction, a limiting sliding block 17 is slidably connected to the inner wall of the limiting sliding groove, and a second return spring 19 is fixedly connected to the opposite end of the limiting sliding groove and the limiting sliding block 17.

[0042] The outer wall of one side of the limiting sliding block 17 is fixedly connected with a pressure bearing plate 18, the pressure bearing plate 18 is annular and the cross section of the end of the pressure bearing plate 18 close to the damping rod 15 is inclined.

[0043] The end of the connecting disc 13 close to the pressure bearing plate 18 is fixedly connected with an extrusion plate 14, the extrusion plate 14 is annular, the end of the extrusion plate 14 close to the pressure bearing plate 18 is provided with an extrusion groove 20, and the cross section of the outer end of the extrusion groove 20 is inclined.

[0044] When the jumbo boom 1 shakes during movement, the shaking can extrude the connecting rod 12 through the rolling ball 11 and the rolling groove 10, the connecting rod 12 is extruded to drive the damping rod 15 and the first return spring 16 to contract, the corresponding stress is buffered through the contraction of the first return spring 16, the extrusion plate 14 and the extrusion groove 20 thereon are extruded through the movement of the connecting disc 13 to drive the pressure bearing plate 18, the limiting sliding block 17 on the pressure bearing plate 18 is slidably connected to the limiting sliding groove, the movement of the pressure bearing plate 18 is limited, the extrusion plate 14 is moved along the sliding direction of the limiting sliding block 17 through the extrusion groove 20 to extrude the second return spring 19 through the movement of the limiting sliding block 17, the second return spring 19 is further contracted to buffer the stress, the elastic potential energy generated when the first return spring 16 and the second return spring 19 are contracted is absorbed through the resistance generated by the contraction of the damping rod 15, and the stability is maintained.

[0045] The buffer assembly is arranged to buffer the shaking of the jumbo boom 1 during conveying through the contraction of the first return spring 16 and the second return spring 19, maintain the stability of the jumbo boom 1 during conveying, absorb the elastic potential energy through the contraction of the damping rod 15, maintain the stability of the buffer, and avoid the dislocation of the jumbo boom 1 during conveying to affect the accuracy of the rod changing.

[0046] The working principle of the utility model is as follows: when the jumbo boom 1 needs to be conveyed, the transmission shaft 8 and the gear 9 are driven to rotate through the small motor 7, the moving rack 4 is driven to move through the rotation of the transmission shaft 8 and the gear 9, the jumbo boom 1 is pushed to change the rod through the push plate 5, the friction between the rolling ball 11 and the jumbo boom 1 is reduced to maintain the stability of conveying, the connecting rod 12 is extruded, the first return spring 16 is contracted and buffered through the connecting disc 13 and the extrusion plate 14, and the second return spring 19 is contracted through the extrusion plate 14, the limiting sliding block 17 and the pressure bearing plate 18 to further buffer.

[0047] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A rod changer for a jumbo, characterized in that, The utility model relates to a rock drilling jumbo extension rod, which comprises a rock drilling jumbo extension rod (1) in the shape of an I-beam, a conveying assembly, a driving assembly, a rolling assembly and a buffer assembly. The conveying assembly comprises a bottom plate (2) and sliding frames (3) arranged at the two ends of the top of the bottom plate (2) and in the shape of L. The driving assembly is arranged on one side of the bottom plate (2) and comprises a movable rack (4), a push plate (5), a small motor (7) and a gear (9). The rolling assembly is arranged on the inner wall of the opposite side of the two sliding frames (3) and comprises rolling grooves (10) and rolling balls (11). The buffer assembly is arranged on the inner wall of the connecting groove in a circular arrangement and comprises a first reset spring (16) and a second reset spring (19). The movable rack (4) is slidingly connected to the bottom of the opposite side of the two sliding frames (3), the movable rack (4) is provided with a push plate (5) at one end of the top of the movable rack (4), the rock drilling jumbo extension rod (1) is arranged at the top of the movable rack (4), and the bottom plate (2) is fixedly connected with a fixing seat (6) on one side, the small motor (7) is fixedly connected to one end of the fixing seat (6) through a motor frame, the output end of the small motor (7) is provided with a transmission shaft (8), and the gear (9) is fixedly connected to the outer wall of the transmission shaft (8) and engaged with the bottom of the movable rack (4).

2. A drill rig rod changer according to claim 1, characterised in that: The rolling groove (10) is arranged on the inner wall of the connecting groove, the rolling ball (11) is rollingly connected to the inner wall of the rolling groove (10), a plurality of sliding holes arranged in a circular arrangement are formed in the connecting groove, a buffer groove is formed at one end of the sliding hole, a connecting rod (12) is slidingly connected in the sliding hole, and one end of the connecting rod (12) is in contact with the rolling groove (10).

3. A drill rig rod changer according to claim 1, characterized in that: The inner wall of one side of the buffer groove is provided with a damping rod (15), the first reset spring (16) is sleeved on the outer wall of the damping rod (15), one end of the connecting rod (12) is fixedly connected with a connecting disc (13), and the other end of the damping rod (15) and the first reset spring (16) is fixedly connected to the axial position of the connecting disc (13).

4. A drill rig rod changer according to claim 3, characterised in that: A plurality of limiting sliding grooves arranged in a circular arrangement are formed in the inner wall of one side of the buffer groove, a limiting sliding block (17) is slidingly connected to the inner wall of the limiting sliding groove, and the second reset spring (19) is fixedly connected to the opposite end of the limiting sliding groove and the limiting sliding block (17).

5. A drill rig rod changer according to claim 4, characterised in that: The outer wall of one side of the limiting sliding block (17) is fixedly connected with a pressure bearing plate (18), the pressure bearing plate (18) is annular and the cross section of one end of the pressure bearing plate (18) is in the shape of an inclination.

6. A drill rig rod changer according to claim 5, characterised in that: The connecting disc (13) is fixedly connected with an extrusion plate (14) at one end close to the pressure bearing plate (18), the extrusion plate (14) is in the shape of a circular ring, the extrusion plate (14) is provided with an extrusion groove (20) at one end close to the pressure bearing plate (18), and the cross section of the outer end of the extrusion groove (20) is in the shape of an inclination.

7. A drill rig rod changer according to claim 6, characterised in that: ​

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