CN219242538U

CN219242538U - Hydraulic rock drill buffer mechanism with anti-rotation function

Info

Publication number: CN219242538U
Application number: CN202320777617.9U
Authority: CN
Inventors: 祝忠标
Original assignee: Hubei Chujiao Steel Industry Co ltd
Current assignee: Hubei Chujiao Steel Industry Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-06-23
Anticipated expiration: 2033-04-11

Abstract

The utility model relates to the technical field of hydraulic rock drills and discloses a hydraulic rock drill buffer mechanism with an anti-rotation function, which comprises a buffer cylinder, wherein a buffer cylinder core sleeve is movably arranged in the buffer cylinder, a first mounting hole is formed in the bottom of the buffer cylinder core sleeve, a second mounting hole is formed in the bottom of the buffer cylinder, the first mounting hole is positioned in the second mounting hole in a corresponding position, and a fixing pin with the top extending to the inside of the first mounting hole is fixedly arranged in the second mounting hole. This take hydraulic rock drill buffer gear who prevents changeing function has possessed and has been provided with the cushion cylinder core cover in the cushion cylinder inside, makes cushion cylinder and cushion cylinder core cover fixed together through the fixed pin, makes hydraulic rock drill's recoil that produces in the course of the work can absorb, reduces the influence of recoil to hydraulic rock drill inner structure in the course of the work, cushions the piston simultaneously, has strengthened hydraulic rock drill inner structure's life's advantage.

Description

Hydraulic rock drill buffer mechanism with anti-rotation function

Technical Field

The utility model relates to the technical field of hydraulic rock drills, in particular to a hydraulic rock drill buffer mechanism with an anti-rotation function.

Background

With the increasing workload of rock tunneling in various fields, the performance indexes of the hydraulic rock drill such as the rock drilling speed, the energy consumption, the vibration and the noise are far higher than those of the pneumatic rock drill, and the hydraulic rock drill is widely applied to engineering projects such as water conservancy and hydropower, traffic, municipal administration and the like; and provides the anchor hole construction for the first supporting procedure of the rock stratum after excavation, and the rock drilling speed is fast, the hole is formed well, the time of personnel under the exposed rock stratum is reduced, the personnel safety is improved, and the buffer mechanism of the hydraulic rock drill is an important component part of the hydraulic rock drill.

When the hydraulic rock drill works, a large recoil force is generated, and each part of the machine body is eroded by the recoil force. After a long time, all parts of the machine body are worn out quickly, so that the maintenance and use cost is increased. The hydraulic rock drill buffer mechanism plays a role in absorbing and eliminating the recoil force and protecting each part, but simultaneously, the self accessories are continuously eroded by the recoil force, and if the self accessories are not controlled, the self accessories are loose and the displacement accelerates the abrasion, so the hydraulic rock drill buffer mechanism with the anti-rotation function is provided to solve the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the hydraulic rock drill buffer mechanism with the anti-rotation function, which is provided with the buffer core sleeve inside the buffer cylinder, and the buffer cylinder and the buffer core sleeve are fixed together through the fixing pin, so that the recoil force generated by the hydraulic rock drill in the working process is absorbed, the influence of the recoil force on the internal structure of the hydraulic rock drill in the working process is reduced, the piston is buffered, the service life of the internal structure of the hydraulic rock drill is prolonged, the problem that the hydraulic rock drill can generate great recoil force in the working process is solved, and each part of the machine body can be eroded by the recoil force. After a long time, all parts of the machine body are worn out quickly, so that the maintenance and use cost is increased. The hydraulic rock drill buffer mechanism plays a role in absorbing and eliminating the recoil force and protecting each part, but meanwhile, the self-fittings are also eroded continuously by the recoil force, and if the self-fittings are not controlled, the self-fittings are loosened, and the displacement accelerates the abrasion.

(II) technical scheme

The technical scheme for solving the technical problems is as follows: the utility model provides a hydraulic rock drill buffer gear of function is prevented changeing in area, includes the buffer cylinder, the inside movable mounting of buffer cylinder has the buffer core cover, first mounting hole has been seted up to the bottom of buffer core cover, the second mounting hole has been seted up to the bottom of buffer cylinder, the position that the position of first mounting hole was located the second mounting hole is corresponding, the inside fixed mounting of second mounting hole has the fixed pin that the top extends to the inside of first mounting hole, the inside slidable mounting of buffer core cover has the piston rod, the outside fixed mounting of piston rod has the bolster, the outside fixed mounting of piston rod has the piston that is located the bolster right side, the mounting groove that is the upper and lower pair distribution is seted up to the inside of buffer core cover, two equal fixed mounting in inner wall left side of mounting groove has the spring, two equal fixed mounting in right side of spring has the buffer block of sliding connection in the mounting groove inner wall, two the right side fixed mounting of buffer block has the blotter.

The beneficial effects of the utility model are as follows:

this take hydraulic rock drill buffer gear who prevents changeing function has possessed and has been provided with the cushion cylinder core cover in the cushion cylinder inside, makes cushion cylinder and cushion cylinder core cover fixed together through the fixed pin, makes hydraulic rock drill's recoil that produces in the course of the work can absorb, reduces the influence of recoil to hydraulic rock drill inner structure in the course of the work, cushions the piston simultaneously, has strengthened hydraulic rock drill inner structure's life's advantage.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the size of the first mounting hole corresponds to the size of the second mounting hole, and the size of the fixing pin is matched with the sizes of the first mounting hole and the second mounting hole.

The adoption of the further scheme has the beneficial effects that the stability of the fixing pin in the use process is improved, so that the connection between the buffer cylinder and the buffer cylinder core sleeve is tighter.

Further, the right side of blotter is laminated with the left side of piston mutually, auxiliary groove has been seted up to the inner wall of buffer cylinder.

The further scheme has the beneficial effect of buffering the force generated in the movement process of the piston.

Further, the number of the auxiliary grooves is four, and the auxiliary grooves are uniformly distributed at the joint of the buffer cylinder and the buffer cylinder core sleeve.

Further, the inside of the left side three auxiliary grooves is movably provided with a wear-resistant ring, and the inside of the right side auxiliary grooves is movably provided with a sealing ring.

The anti-abrasion treatment is carried out on the joint of the buffer cylinder and the buffer cylinder core sleeve through the wear-resistant ring, so that the service life of the anti-abrasion treatment is prolonged.

Further, the buffer cylinder core sleeve drives the inside spout that is located the upper and lower both sides of mounting groove of seting up, the upper and lower both sides of buffer block are all fixed mounting have the inside slider of spout that extends to upper and lower both sides.

The beneficial effect of adopting above-mentioned further scheme is, when the piston is striking the blotter, makes the buffer block improve the buffering effect to the piston under the effect of spring.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A;

FIG. 3 is an enlarged view of the utility model at B;

fig. 4 is a cross-sectional view of the present utility model.

In the figure: 1. a buffer cylinder; 2. buffering the core sleeve; 3. a first mounting hole; 4. a second mounting hole; 5. a fixing pin; 6. a piston rod; 7. a buffer member; 8. a piston; 9. a mounting groove; 10. a spring; 11. a buffer block; 12. a cushion pad; 13. a wear ring; 14. a seal ring; 15. a chute; 16. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the embodiment, as shown in fig. 1-4, the buffer mechanism of the hydraulic rock drill with the anti-rotation function comprises a buffer cylinder 1, a buffer cylinder core sleeve 2 is movably arranged in the buffer cylinder 1, a first mounting hole 3 is formed in the bottom of the buffer cylinder core sleeve 2, a second mounting hole 4 is formed in the bottom of the buffer cylinder 1, the first mounting hole 3 is positioned in the position corresponding to the second mounting hole 4, a fixing pin 5 with the top extending into the first mounting hole 3 is fixedly arranged in the second mounting hole 4, a piston rod 6 is slidably arranged in the buffer cylinder core sleeve 2, a buffer piece 7 is fixedly arranged outside the piston rod 6, pistons 8 positioned on the right side of the buffer piece 7 are fixedly arranged outside the piston rod 6, two mounting grooves 9 which are distributed in an up-down mode are formed in the buffer cylinder core sleeve 2, springs 10 are fixedly arranged on the left sides of the inner walls of the two mounting grooves 9, buffer blocks 11 which are fixedly arranged on the right sides of the two springs 10 and are fixedly arranged on the right sides of the two buffer blocks 11 which are slidably connected to the inner walls of the mounting grooves 9, and a buffer cushion pad 12 is fixedly arranged on the right sides of the two buffer blocks 11.

Wherein the first mounting hole 3 corresponds to the size of the second mounting hole 4, and the size of the fixing pin 5 is adapted to the sizes of the first mounting hole 3 and the second mounting hole 4.

The stability of the fixing pin 5 in the use process is improved, and the connection between the buffer cylinder 1 and the buffer cylinder core sleeve 2 is tighter.

Wherein, the right side of blotter 12 is laminated with the left side of piston 8, and auxiliary groove has been seted up to the inner wall of buffer cylinder 1.

Buffering forces generated during the movement of the piston 8.

The number of the auxiliary grooves is four, and the auxiliary grooves are uniformly distributed at the joint of the buffer cylinder 1 and the buffer cylinder core sleeve 2.

Wherein, the inside of the three auxiliary grooves on the left side is movably provided with a wear-resistant ring 13, and the inside of the auxiliary groove on the right side is movably provided with a sealing ring 14.

The wear-resistant ring 13 is used for carrying out wear-resistant treatment on the joint of the buffer cylinder 1 and the buffer cylinder core sleeve 2, so that the service life of the buffer cylinder is prolonged.

Wherein, the buffer core sleeve 2 drives the inside to be provided with the spout 15 that is located the upper and lower both sides of mounting groove 9, and the upper and lower both sides of buffer block 11 are all fixed mounting has the slider 16 that extends to the inside of upper and lower both sides spout 15.

When the piston 8 collides with the buffer pad 12, the buffer block 11 is enabled to improve the buffer effect on the piston 8 under the action of the spring 10.

Working principle:

the buffer core sleeve 2 is butted into the buffer cylinder 1, the positions of the first mounting hole 3 and the second mounting hole 4 are corresponding, the fixing pin 5 is fixedly mounted in the second mounting hole 4 through the first mounting hole 3, the buffer cylinder 1 is connected with the buffer core sleeve 2, the impact force of the piston 8 on the buffer cylinder 1 in the use process of the hydraulic rock drill is reduced, the damage to the component structure in the hydraulic rock drill is caused, the rear side of the piston 8 in the operation process is impacted to the buffer pad 12, and the impact force generated in the operation process of the piston 8 is buffered as the buffer block 11 pushes the spring 10.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic rock drill buffer gear of function is prevented changeing in area, includes buffer cylinder (1), its characterized in that: the inside movable mounting of buffer jar (1) has buffering core cover (2), first mounting hole (3) have been seted up to the bottom of buffering core cover (2), second mounting hole (4) have been seted up to the bottom of buffer jar (1), the position of second mounting hole (4) is located to first mounting hole (3) is corresponding, the inside fixed mounting of second mounting hole (4) has fixed pin (5) that the top extends to inside first mounting hole (3), the inside slidable mounting of buffering core cover (2) has piston rod (6), the outside fixed mounting of piston rod (6) has buffer (7), the outside fixed mounting of piston rod (6) has piston (8) that are located buffer (7) right side, the inside of buffering core cover (2) has been seted up quantity and is two and is about the mounting groove (9) of distribution, two the equal fixed mounting in inner wall left side of mounting groove (9) has spring (10), two the equal fixed mounting in right side of spring (10) has buffer pad (11) to install in the equal fixed mounting in right side of buffer pad (11).

2. The hydraulic rock drill buffering mechanism with anti-rotation function according to claim 1, wherein: the first mounting holes (3) correspond to the second mounting holes (4) in size, and the fixing pins (5) are matched with the first mounting holes (3) and the second mounting holes (4) in size.

3. The hydraulic rock drill buffering mechanism with anti-rotation function according to claim 1, wherein: the right side of blotter (12) is laminated with the left side of piston (8), auxiliary groove has been seted up to the inner wall of buffer cylinder (1).

4. A hydraulic rock drill buffering mechanism with anti-rotation function according to claim 3, characterized in that: the number of the auxiliary grooves is four, and the auxiliary grooves are uniformly distributed at the joint of the buffer cylinder (1) and the buffer cylinder core sleeve (2).

5. The hydraulic rock drill buffering mechanism with anti-rotation function according to claim 4, wherein: the inside of the left side three auxiliary grooves is movably provided with a wear-resistant ring (13), and the inside of the right side auxiliary grooves is movably provided with a sealing ring (14).

6. The hydraulic rock drill buffering mechanism with anti-rotation function according to claim 1, wherein: the buffer cylinder core sleeve (2) drives the inside to be provided with sliding grooves (15) positioned at the upper side and the lower side of the mounting groove (9), and the upper side and the lower side of the buffer block (11) are fixedly provided with sliding blocks (16) extending into the sliding grooves (15) at the upper side and the lower side.