CN114673459A

CN114673459A - Rock drilling device with buffer mechanism

Info

Publication number: CN114673459A
Application number: CN202210586284.1A
Authority: CN
Inventors: 张学斌; 李志华; 程珊珊; 张志武; 蒋杰; 胡宝祥; 杨庆国; 张利
Original assignee: No 801 Hydrogeological Engineering Geology Brigade of Shandong Bureau of Geology and Mineral Resources
Current assignee: No 801 Hydrogeological Engineering Geology Brigade of Shandong Bureau of Geology and Mineral Resources
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-06-28
Anticipated expiration: 2042-05-27
Also published as: CN114673459B

Abstract

The invention discloses a rock drilling device with a buffer mechanism, which relates to the field of drilling machines and comprises a bottom plate and a main rail, wherein a middle hole is longitudinally formed in the middle of the bottom plate in a penetrating mode, stand columns are fixedly installed on two sides of the top of the bottom plate, an end plate is installed on the inner side of the top of each stand column in a sliding mode, adjusting holes are longitudinally formed in the outer sides of the tops of the stand columns at equal intervals, bolts are installed in the adjusting holes in a sliding mode, the main rail is fixedly installed at the middle end of the bottom of each end plate, an air cylinder is arranged on the top of the front face of the main rail, an output end of the bottom of the air cylinder is connected with a telescopic rod in a transmission mode, and a shaft sleeve is sleeved outside the telescopic rod. The utility model provides a rock creeps into device that has buffer gear, compares with traditional device, and the whole height of equipment can be adjusted according to job site environment, obtains comparatively reliable rotatory mode of drilling through simple and easy mechanical linkage, and the vibration that the drill bit was located to conduct when in addition to equipment operation effectively slows down, avoids reducing device life because of resonance conduction.

Description

Rock drilling device with buffer mechanism

Technical Field

The invention relates to the field of drilling machines, in particular to a rock drilling device with a buffer mechanism.

Background

The drilling machine is a drift tunneling machine for continuously drilling into a drift by breaking rock and mucking simultaneously, and is mainly used for the tunneling of railways, highways, hydraulic engineering, military affairs and municipal underground engineering, long tunnels of mines, culverts, cave exits and drifts.

The current drilling machine, common problem has: when the rock layer is drilled, the existing drilling machine lacks a corresponding oscillation buffer mechanism, the whole obvious resonance of the equipment can be caused, the connection parts of all parts in the equipment are loosened for a long time, and the service life of the equipment is further shortened.

Disclosure of Invention

The object of the present invention is to provide a rock drilling device with a damping mechanism to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a rock creeps into device with buffer gear, includes bottom plate and main rail, the bottom plate middle part vertically runs through and has seted up the mesopore, and bottom plate top both sides fixed mounting has the stand, the inboard slidable mounting in stand top has the end plate, and the equidistant regulation hole of vertically having seted up in the stand top outside, the inside slidable mounting of regulation hole has the bolt, main rail fixed mounting is in end plate bottom middle-end, and main rail openly top is provided with the cylinder, cylinder bottom output end transmission is connected with the telescopic link, and the outside cover of telescopic link is equipped with the axle sleeve, axle sleeve bilateral symmetry is connected with the buffering subassembly that is used for assaulting the buffering, the buffering subassembly includes pendulum rod and anticreep round pin, the terminal integral type fixed mounting in the pendulum rod outside has the anticreep round pin, and the inboard input of pendulum rod rotates to be installed in the axle sleeve both sides.

Furthermore, the buffer assembly further comprises a sliding block and a through hole, the sliding block is arranged in the middle of the swing rod, the through hole is formed in the middle of the sliding block in a transverse penetrating mode, and the swing rod is installed inside the sliding block in a sliding mode through the through hole.

Furthermore, the buffer assembly further comprises a side spring, the side spring is sleeved on the outer side of the swing rod, and the anti-falling pin is elastically connected with the sliding block through the side spring.

Furthermore, the buffer assembly further comprises an auxiliary rail, a bottom support and a bottom spring, the auxiliary rail is arranged on the back of the sliding block in a sliding mode, the bottom support is fixedly installed at the tail end of the bottom of the auxiliary rail, the bottom spring is connected to the top of the bottom support, and the sliding block is elastically connected with the bottom support through the bottom spring.

Furthermore, the tail end of the output of the telescopic rod is fixedly provided with a mounting plate, and the middle end of the bottom of the mounting plate is provided with a bearing in an attached mode.

Furthermore, a screw rod is rotatably arranged at the middle end of the bottom of the bearing, and a drill bit is sleeved at the output end of the screw rod.

Further, a sleeve is fixedly installed at the tail end of the bottom of the main rail, a thread groove is formed in the inner wall of the sleeve, and the size of the thread groove is matched with the external spiral shape of the screw rod.

Compared with the prior art, the invention has the beneficial effects that:

compared with the traditional device, the rock drilling device with the buffer mechanism has the advantages that the overall height of the device can be adjusted according to the construction site environment, a reliable rotary drilling mode is obtained through simple mechanical linkage, in addition, the vibration conducted at the drill bit during the operation of the device is effectively slowed down, and the service life of the device is prevented from being reduced due to resonance conduction.

1. According to the invention, through the arrangement of the buffer assembly, the extension and retraction of the telescopic rod are accompanied by the synchronous rotation of the bottom screw rod, so that the resonance of equipment is inevitably brought in the reciprocating process, in order to reduce the resonance, the sliding blocks are positioned on the surfaces of the auxiliary rails symmetrically arranged at two sides of the main rail and slide and lift, the stress in the directions of two sides is respectively buffered by the side springs and the bottom spring to reduce the oscillation, and then the whole device is driven to reduce the resonance in the reciprocating rotation movement, so that the connection of the connection parts in the device is more stable;

2. according to the invention, through the arrangement of the thread groove in the sleeve, under the pushing of the telescopic rod, the mounting plate is positioned on the front surface of the main rail and descends to a preset height, at the moment, the screw rod positioned at the bottom of the bearing rotates under the engagement of the thread groove in the sleeve to drive the drill bit at the bottom to perform drilling work, when the screw rod reaches the maximum stroke, the telescopic rod returns to synchronously drive the screw rod to reversely ascend, after the overall height of the device is reduced, the drilling work is performed again, through simple mechanical linkage, the simple reciprocating motion of the telescopic rod driven by the cylinder is converted into the rotary reciprocating motion of the screw rod, the drilling work of the drill bit is realized, and the device is particularly suitable for the low-strength shallow-depth drilling work;

3. according to the invention, through the arrangement of the adjusting holes, a user inserts the plug pin into the adjusting hole of the height for use, so that the end plate sliding above the upright post can adjust the ground clearance, further the main rail at the middle end of the bottom of the end plate is driven to adjust the working height, the height of the device is dynamically adjusted according to the actual working requirement, a subsequent drill bit can drill to the preset ground depth, and the simple mechanical structure can also have a complex and variable control mode.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a front view of the main rail of the present invention;

FIG. 3 is a side view of the buffer assembly of the present invention;

fig. 4 is a schematic perspective view of the sleeve of the present invention.

In the figure: 1. a base plate; 2. a mesopore; 3. a column; 4. an end plate; 5. an adjustment hole; 6. a bolt; 7. a primary rail; 8. a cylinder; 9. a telescopic rod; 10. a shaft sleeve; 11. a buffer assembly; 1101. a swing rod; 1102. the anti-drop pin; 1103. a slider; 1104. perforating; 1105. a side spring; 1106. a secondary rail; 1107. a bottom support; 1108. a bottom spring; 12. mounting a plate; 13. a bearing; 14. a screw rod; 15. a drill bit; 16. a sleeve; 17. a thread groove.

Detailed Description

As shown in figures 1, 2 and 4, the rock drilling device with the buffer mechanism comprises a bottom plate and a main rail, wherein a middle hole 2 is longitudinally formed in the middle of the bottom plate 1 in a penetrating manner, stand columns 3 are fixedly installed on two sides of the top of the bottom plate 1, end plates 4 are slidably installed on the inner sides of the tops of the stand columns 3, adjusting holes 5 are longitudinally formed in the outer sides of the tops of the stand columns 3 at equal intervals, bolts 6 are slidably installed in the adjusting holes 5, a user inserts the bolts 6 into the adjusting holes 5 for adjusting the height of the stand columns 3 to adjust the ground clearance, then the main rail 7 at the middle end of the bottom of the end plates 4 is driven to adjust the working height, the height of the device is dynamically adjusted according to actual working requirements, a follow-up drill bit 15 can drill to a preset ground depth, the main rail 7 is fixedly installed at the middle end of the bottom of the end plates 4, an air cylinder 8 is arranged on the top of the front of the main rail 7, and the output end of the bottom of the air cylinder 8 is in transmission connection with a telescopic rod 9, a shaft sleeve 10 is sleeved outside the telescopic rod 9, a mounting plate 12 is fixedly mounted at the output tail end of the telescopic rod 9, a bearing 13 is attached to the middle end of the bottom of the mounting plate 12, a screw rod 14 is rotatably mounted at the middle end of the bottom of the bearing 13, a drill bit 15 is sleeved at the output tail end of the screw rod 14, a sleeve 16 is fixedly mounted at the bottom tail end of the main rail 7, a thread groove 17 is formed in the inner wall of the sleeve 16, the size of the thread groove 17 is matched with the external spiral shape of the screw rod 14, an air cylinder 8 is started, the mounting plate 12 is positioned on the front face of the main rail 7 and descends to a preset height under the pushing of the telescopic rod 9, the screw rod 14 positioned at the bottom of the bearing 13 rotates under the meshing of the thread groove 17 in the sleeve 16 to drive the bottom drill bit 15 to perform drilling work, when the screw rod 14 reaches the maximum stroke, the telescopic rod 9 retracts to synchronously drive the screw rod 14 to reversely ascend, and then perform drilling work again after the overall height of the device descends, through simple mechanical linkage, the simple reciprocating motion of the telescopic rod 9 driven by the cylinder 8 is converted into the rotary reciprocating motion of the screw rod 14, so that the drilling work of the drill bit 15 is realized, and the method is particularly suitable for the low-strength and shallow-depth drilling work;

as shown in fig. 3, the two sides of the shaft sleeve 10 are symmetrically connected with buffering components 11 for impact buffering, each buffering component 11 comprises a swing link 1101 and a separation-preventing pin 1102, the separation-preventing pin 1102 is fixedly installed at the outer end of the swing link 1101 in an integrated manner, the inner input end of the swing link 1101 is rotatably installed at the two sides of the shaft sleeve 10, each buffering component 11 further comprises a slider 1103 and a through hole 1104, the slider 1103 is arranged in the middle of the swing link 1101, the through hole 1104 transversely penetrates through the middle of the slider 1103, the swing link 1101 is slidably installed inside the slider 1103 through the through hole 1104, each buffering component 11 further comprises a side spring 1105, the outer side of the swing link 1101 is sleeved with the side spring 1105, the separation-preventing pin 1102 is elastically connected with the slider 1103 through the side spring 1105, each buffering component 11 further comprises a sub-rail 1107, a bottom shoe 1107 and a bottom spring 1108, the back of the slider 1103 is slidably provided with a sub-rail 1106, the bottom end of the sub-rail 1106 is fixedly installed at the bottom end of the bottom shoe 1106, the bottom shoe 1108 is connected with the bottom shoe 1108, and the slider 1103 is elastically connected with the shoe 1107 through the bottom spring 1108, the extension and retraction of the telescopic rod 9 are accompanied with the synchronous rotation of the bottom screw rod 14, so that the resonance of equipment is inevitably brought in the reciprocating process, in order to reduce the resonance, the shaft sleeve 10 sleeved in the middle of the telescopic rod 9 synchronously drives the slider 1103 to move through the swing rod 1101 in the reciprocating stroke, the slider 1103 is positioned on the surfaces of the auxiliary rails 1106 symmetrically arranged on the two sides of the main rail 7 to slide and lift, the swing rod 1101 is positioned in the through hole 1104 in the middle of the slider 1103 to contract, and the slider 1103 exerts pressure on the shoe 1107, the stress in the directions of the two sides is respectively buffered by the side spring 1105 and the bottom spring 1108, so that the resonance in the reciprocating rotation movement is reduced by driving the whole device, and the connection of all parts inside the device is more stable.

The working principle is as follows: when the rock drilling device with the buffer mechanism is used, a user inserts the bolt 6 into the adjusting hole 5 of the useful height to enable the end plate 4 sliding above the upright post 3 to adjust the ground clearance, further drives the main rail 7 at the middle end of the bottom of the end plate 4 to adjust the working height, dynamically adjusts the height of the device according to actual working requirements, enables the subsequent drill bit 15 to drill to a preset ground depth, starts the air cylinder 8, enables the mounting plate 12 to be positioned on the front side of the main rail 7 to descend to the preset height under the pushing of the telescopic rod 9, rotates the screw rod 14 positioned at the bottom of the bearing 13 under the meshing of the thread groove 17 in the sleeve 16 to drive the bottom drill bit 15 to perform drilling work, retracts the telescopic rod 9 when the screw rod 14 reaches the maximum stroke, synchronously drives the screw rod 14 to reversely ascend, performs drilling work again after the overall height of the device descends, and performs drilling work through simple mechanical linkage, the simple reciprocating motion of the telescopic rod 9 driven by the cylinder 8 is converted into the rotary reciprocating motion of the screw rod 14, the drilling work of the drill bit 15 is realized, the device is particularly suitable for low-strength and shallow-depth drilling operation, the expansion and retraction of the telescopic rod 9 are accompanied with the synchronous rotation of the bottom screw mandrel 14, therefore, the resonance of the device is inevitably brought in the reciprocating process, in order to reduce the resonance, the shaft sleeve 10 sleeved in the middle of the telescopic rod 9 drives the sliding block 1103 to move synchronously through the swinging rod 1101 in the reciprocating stroke, the sliding block 1103 is positioned on the surfaces of the auxiliary rails 1106 symmetrically arranged at the two sides of the main rail 7 to slide and lift, the swinging rod 1101 is positioned in the through hole 1104 in the middle of the sliding block 1103 to contract, and the slider 1103 presses the bottom bracket 1107, the forces in the two lateral directions are buffered by the lateral spring 1105 and the bottom spring 1108 respectively to reduce the oscillation, the vibration conducted by the drill bit 15 during the operation of the equipment is effectively reduced, and the service life of the device is prevented from being reduced due to resonance conduction.

Claims

1. The rock drilling device with the buffer mechanism is characterized by comprising a bottom plate (1) and a main rail (7), wherein a middle hole (2) is longitudinally formed in the middle of the bottom plate (1) in a penetrating mode, stand columns (3) are fixedly mounted on two sides of the top of the bottom plate (1), an end plate (4) is slidably mounted on the inner side of the top of each stand column (3), adjusting holes (5) are longitudinally formed in the outer side of the top of each stand column (3) at equal intervals, bolts (6) are slidably mounted in the adjusting holes (5), the main rail (7) is fixedly mounted at the middle end of the bottom of the end plate (4), an air cylinder (8) is arranged on the top of the front face of the main rail (7), an expansion link (9) is connected to the output end of the bottom of the air cylinder (8) in a transmission mode, an axle sleeve (10) is sleeved on the outer portion of the expansion link (9), and buffer assemblies (11) used for impact buffering are symmetrically connected to two sides of the axle sleeve (10), the buffer assembly (11) comprises a swing rod (1101) and an anti-falling pin (1102), wherein the anti-falling pin (1102) is fixedly installed at the tail end of the outer side of the swing rod (1101) in an integrated mode, and the input end of the inner side of the swing rod (1101) is rotatably installed on two sides of the shaft sleeve (10).

2. The rock drilling device with the damping mechanism according to claim 1, characterized in that the damping assembly (11) further comprises a slider (1103) and a through hole (1104), the slider (1103) is arranged in the middle of the swing rod (1101), the through hole (1104) is transversely formed in the middle of the slider (1103) in a penetrating manner, and the swing rod (1101) is slidably mounted inside the slider (1103) through the through hole (1104).

3. The rock drilling device with the damping mechanism according to claim 2, characterized in that the damping assembly (11) further comprises a side spring (1105), the swing rod (1101) is sleeved with the side spring (1105) outside, and the anti-slip pin (1102) is elastically connected with the slider (1103) through the side spring (1105).

4. The rock drilling device with the buffer mechanism is characterized in that the buffer assembly (11) further comprises a secondary rail (1106), a bottom support (1107) and a bottom spring (1108), the secondary rail (1106) is arranged on the back of the sliding block (1103) in a sliding mode, the bottom end of the secondary rail (1106) is fixedly provided with the bottom support (1107), the top of the bottom support (1107) is connected with the bottom spring (1108), and the sliding block (1103) is elastically connected with the bottom support (1107) through the bottom spring (1108).

5. The rock drilling device with the buffer mechanism as claimed in claim 1, characterized in that the output end of the telescopic rod (9) is fixedly provided with a mounting plate (12), and the middle end of the bottom of the mounting plate (12) is attached with a bearing (13).

6. A rock drilling device with a damping mechanism according to claim 5, characterized in that the bearing (13) is rotatably mounted with a screw (14) at the bottom middle end, and the output end of the screw (14) is sleeved with a drill bit (15).

7. The rock drilling device with the buffer mechanism as claimed in claim 1, characterized in that the sleeve (16) is fixedly installed at the bottom end of the main rail (7), the inner wall of the sleeve (16) is provided with a thread groove (17), and the thread groove (17) is provided with a size matched with the external spiral shape of the screw rod (14).