阅读说明：本技术 一种自清理掘进液压缸 (Self-cleaning tunneling hydraulic cylinder ) 是由 杨明虎 殷玲 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种自清理掘进液压缸,包括防护壳,所述防护壳的内部安装有缸筒,所述缸筒的一端设置有下耳座,所述缸筒的内部设置有活塞杆,所述活塞杆远离缸筒的一端连接有上耳座,所述缸筒的一侧设置有两个进出油口,所述两个进出油口之间通过连接杆连接,所述缸筒的外侧靠近所述活塞杆的一端设置有清扫模块,所述防护壳靠近所述下耳座的一端开设有开槽,所述防护壳的一侧设置有与所述连接杆匹配的卡槽,所述防护壳靠近所述活塞杆的一端设置有安装块,所述安装块的两侧等距开设有若干个螺孔,所述防护壳的顶面设置有缓冲垫。(The invention discloses a self-cleaning tunneling hydraulic cylinder which comprises a protective shell, wherein a cylinder barrel is arranged in the protective shell, a lower lug seat is arranged at one end of the cylinder barrel, a piston rod is arranged in the cylinder barrel, one end, far away from the cylinder barrel, of the piston rod is connected with an upper lug seat, two oil inlet and outlet ports are arranged on one side of the cylinder barrel and are connected through a connecting rod, a cleaning module is arranged at one end, close to the piston rod, of the outer side of the cylinder barrel, a groove is formed in one end, close to the lower lug seat, of the protective shell, a clamping groove matched with the connecting rod is formed in one side of the protective shell, an installation block is arranged at one end, close to the piston rod, of the protective shell, a plurality of screw holes are formed in two sides of the.)

1. The utility model provides a self-cleaning tunnelling pneumatic cylinder, includes protecting crust (1), its characterized in that: a cylinder barrel (2) is arranged inside the protective shell (1), a lower lug seat (3) is arranged at one end of the cylinder barrel (2), a piston rod (4) is arranged inside the cylinder barrel (2), an upper lug seat (5) is connected to one end, far away from the cylinder barrel (2), of the piston rod (4), two oil inlet and outlet ports (6) are arranged on one side of the cylinder barrel (2), the two oil inlet and outlet ports (6) are connected through a connecting rod (7), a cleaning module (8) is arranged at one end, close to the piston rod (4), of the outer side of the cylinder barrel (2), a groove (9) is formed in one end, close to the lower lug seat (3), of the protective shell (1), a clamping groove (10) matched with the connecting rod (7) is formed in one side of the protective shell (1), and a mounting block (11) is arranged at one end, close to the piston rod (, a plurality of screw holes (12) are formed in the two sides of the mounting block (11) at equal intervals, and a cushion pad (13) is arranged on the top surface of the protective shell (1).

2. A self-cleaning heading hydraulic cylinder as claimed in claim 1 wherein: the sweeping module (8) comprises:

the spiral inner cavity (80) is arranged in the wall body of the cleaning module (8), one end of the spiral inner cavity (80) is communicated with one of the two oil inlet/outlet ports (6), and the other end of the spiral inner cavity is communicated with the other of the two oil inlet/outlet ports (6);

the spiral track groove (81) is arranged on the inner wall of the cleaning module (8), and the position of the spiral track groove (81) corresponds to the position of the spiral inner cavity (80);

at least two arc magnets (82), the at least two arc magnets (82) disposed in the helical inner cavity (80);

at least two wire brushes (83), the at least two wire brushes (83) are arranged on the spiral track groove (81), the at least two wire brushes (83) are provided with magnetic bases, and the at least two wire brushes (83) are attracted by the two arc-shaped magnets (82) through the magnetic bases.

3. A self-cleaning heading hydraulic cylinder as claimed in claim 2 wherein: one end of the spiral inner cavity (80) is communicated with one of the two oil inlet and outlet ports (6) through a first branch (84), and the other end of the spiral inner cavity is communicated with the other of the two oil inlet and outlet ports (6) through a second branch (85).

4. A self-cleaning heading hydraulic cylinder as claimed in claim 2 wherein: the two ends of the arc-shaped magnet (82) are provided with a groove.

5. A self-cleaning heading hydraulic cylinder as claimed in claim 1 wherein: the size of the clamping groove (10) is consistent with that of the connecting rod (7), sliding rails are arranged on two sides of the connecting rod (7), and the sliding rails are in sliding fit with the clamping groove (10).

6. A self-cleaning heading hydraulic cylinder as claimed in claim 1 wherein: the length of the lower ear seat (3) is matched with the inner diameter of the groove (9), mounting holes are formed in the middle positions of the upper ear seat (5) and the lower ear seat (3), and the bottom surface of the cushion pad (13) is the same as the top surface of the protective shell (1).

7. A self-cleaning heading hydraulic cylinder as claimed in claim 6 wherein: the mounting block (11) is connected with a mounting seat in the heading machine through the mounting hole.

8. A self-cleaning heading hydraulic cylinder as claimed in claim 1 wherein: the outer diameter of the cylinder barrel (2) and the cleaning module (8) is consistent with the inner diameter of the slot (9).

Technical Field

The invention relates to the field of hydraulic pressure, in particular to a self-cleaning tunneling hydraulic cylinder.

Background

The hydraulic cylinder is an indispensable piece of equipment in the work of the heading machine, determines the safety efficiency and the accuracy of the heading work, can greatly improve the working quality of the heading machine, is generally used at the top and the bottom of one end of a cutting head of the heading machine, and controls the working height of the cutting head through compression by the hydraulic cylinder positioned at the top and the bottom of the cutting head.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. the existing tunneling hydraulic cylinder is generally directly exposed in the air, and the influence of broken stone impact or vibration cannot be effectively prevented; 2. the single tunneling hydraulic cylinder is not provided with a dust removal device, and needs to be frequently and specially disassembled and cleaned, so that the use frequency of the tunneling hydraulic cylinder is influenced. The inventor designs a tunneling hydraulic cylinder with a fixed cleaning brush to clean dust stained on a piston rod, and the scheme has been applied for another case, however, the inventor finds that the scheme has a dead angle for cleaning the dust, the cleaning effect is not ideal, and the dust is easy to accumulate on the piston rod.

Therefore, a self-cleaning tunneling hydraulic cylinder is provided.

Disclosure of Invention

The invention aims to provide a self-cleaning tunneling hydraulic cylinder which is provided with a protective shell and an installation block, has simple structure and strong protective capability, can clean dust, can prevent the impact of broken stones and reduce the influence caused by vibration, and is provided with a cleaning module to ensure that the self-cleaning tunneling hydraulic cylinder has excellent self-cleaning dust removal capability so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a self-cleaning tunnelling pneumatic cylinder, includes the protecting crust, the internally mounted of protecting crust has the cylinder, the one end of cylinder is provided with down the ear seat, the inside of cylinder is provided with the piston rod, the one end that the cylinder was kept away from to the piston rod is connected with the ear seat, one side of cylinder is provided with two business turn over hydraulic fluid ports, connect through the connecting rod between two business turn over hydraulic fluid ports, the outside of cylinder is close to the one end of piston rod is provided with cleans the module, the protecting crust is close to the one end of ear seat has seted up the fluting down, one side of protecting crust be provided with the draw-in groove that the connecting rod matches, the protecting crust is close to the one end of piston rod is provided with the installation piece, a plurality of screw has.

Preferably, the sweeping module includes:

the spiral inner cavity is arranged in the wall body of the cleaning module, one end of the spiral inner cavity is communicated with one of the two oil inlet/outlet ports, and the other end of the spiral inner cavity is communicated with the other of the two oil inlet/outlet ports;

the spiral track groove is arranged on the inner wall of the cleaning module, and the position of the spiral track groove corresponds to the position of the spiral inner cavity;

the at least two arc magnets are arranged in the spiral inner cavity;

the at least two steel wire brushes are arranged on the spiral track groove and are provided with magnetic bases, and the at least two steel wire brushes are attracted by the two arc-shaped magnets through the magnetic bases.

Preferably, one end of the spiral inner cavity is communicated with one of the two oil inlet and outlet ports through a first branch, and the other end of the spiral inner cavity is communicated with the other of the two oil inlet and outlet ports through a second branch.

Preferably, both ends of the arc-shaped magnet are provided with a groove.

Preferably, the size of the clamping groove is consistent with that of the connecting rod, sliding rails are arranged on two sides of the connecting rod, and the sliding rails are in sliding fit with the clamping groove.

Preferably, the length of the lower ear seat is matched with the inner diameter of the groove, mounting holes are formed in the middle positions of the upper ear seat and the lower ear seat, and the size of the bottom surface of the cushion pad is the same as that of the top surface of the protective shell.

Preferably, the mounting block is connected with a mounting seat in the heading machine through the mounting hole.

Preferably, the outside diameter dimensions of the cylinder barrel and the sweeping module are consistent with the inside diameter dimensions of the slot.

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

1. when a user installs the self-cleaning tunneling hydraulic cylinder provided by the embodiment of the invention, the connecting rod and the oil inlet and outlet are arranged at the inner side of the clamping groove, one end of the cylinder barrel, which is far away from the piston rod, passes through the open slot and is arranged at one end of the protective shell, the integral structure of the cylinder barrel is positioned in the protective shell, then the upper lug seat and the lower lug seat are respectively arranged at the corresponding positions of the tunneling machine, the cushion pad is attached to one side of the tunneling machine, the mounting block is connected with the two sides of the mounting seat on the tunneling machine through a plurality of screw holes, and crushed stones and dust generated during the work of the tunneling machine are blocked by the protective shell, so that the movement of the piston rod is not influenced, the protection capability of the hydraulic cylinder is enhanced;

2. when the self-cleaning tunneling hydraulic cylinder provided by the embodiment of the invention is used, when the piston rod extends outwards, the spiral inner cavity in the wall body of the cleaning module arranged at one end of the cylinder barrel close to the piston rod synchronously takes oil along the extending direction of the piston rod, the arc magnet in the spiral inner cavity performs outward spiral motion in the spiral inner cavity under the driving of hydraulic oil, and the arc magnet drives the steel wire brush to perform outward spiral motion synchronously along the spiral track groove on the inner wall of the cleaning module through the attraction of magnetic force, so that the surface of the extending piston rod is cleaned, and dust stained on the surface of the piston rod is removed; similarly, when the piston rod is retracted inwards, the spiral inner cavity body synchronously takes oil along the retraction direction of the piston rod, so that the steel wire brush synchronously performs inward spiral motion along the spiral track groove, the surface of the retracted piston rod is cleaned, the contaminated dust is further removed, the dust removal capacity of the self-cleaning tunneling hydraulic cylinder is greatly improved, the self-cleaning tunneling hydraulic cylinder is not required to be frequently detached and cleaned, and the use frequency of the self-cleaning tunneling hydraulic cylinder is effectively improved.

Drawings

Fig. 1 is a schematic structural diagram of a self-cleaning tunneling hydraulic cylinder provided by an embodiment of the invention;

FIG. 2 is a structural view of a protective shell of a self-cleaning tunneling hydraulic cylinder provided by an embodiment of the invention;

FIG. 3 is a structural view of a cylinder barrel of a self-cleaning heading hydraulic cylinder provided by an embodiment of the invention;

FIG. 4 is a cross-sectional view of a cleaning module of the self-cleaning heading hydraulic cylinder provided by an embodiment of the invention;

figure 5 is a cross-sectional view of a cleaning module for self-cleaning a heading cylinder provided in accordance with an embodiment of the present invention.

In the figure: 1. a protective shell; 2. a cylinder barrel; 3. a lower ear seat; 4. a piston rod; 5. an upper ear seat; 6. an oil inlet and an oil outlet; 7. a connecting rod; 8. a cleaning module; 80. a helical inner cavity; 81. a spiral track groove; 82. an arc-shaped magnet; 83. a wire brush; 84. a first branch; 85. a second branch circuit; 9. grooving; 10. a card slot; 11. mounting blocks; 12. a screw hole; 13. a cushion pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is a schematic structural view of a self-cleaning tunneling hydraulic cylinder according to an embodiment of the present invention, fig. 2 is a structural view of a protective shell of the self-cleaning tunneling hydraulic cylinder according to the embodiment of the present invention, and fig. 3 is a structural view of a cylinder tube of the self-cleaning tunneling hydraulic cylinder according to the embodiment of the present invention. As shown in fig. 1 to 3, an embodiment of the invention provides a self-cleaning tunneling hydraulic cylinder, which comprises a protective shell 1, wherein a cylinder barrel 2 is installed inside the protective shell 1, a lower lug seat 3 is arranged at one end of the cylinder barrel 2, a piston rod 4 is arranged at the other end of the cylinder barrel 2, an upper lug seat 5 is connected to one end, far away from the cylinder barrel 2, of the piston rod 4, two oil inlet and outlet ports 6 are uniformly arranged on one side of the cylinder barrel 2, the two oil inlet and outlet ports 6 are connected through a connecting rod 7, an end cover 8 is arranged at one end, close to the piston rod 4, of the outer side of the cylinder barrel 2, a notch 9 is formed at one end, close to the lower lug seat 3, of the protective shell 1, a clamping groove 10 is formed at one side, close to the connecting rod 7, a mounting block 11 is arranged at the outer side of one end, close to the.

Specifically, as shown in fig. 1, the size of the clamping groove 10 is the same as that of the connecting rod 7, and the two sides of the connecting rod 7 are both provided with sliding rails which can be in sliding fit with the clamping groove 10.

Through adopting above-mentioned technical scheme, sliding fit through slide rail on the connecting rod 7 and draw-in groove 10 sets up cylinder 2 in the inside of protecting crust 1, can't be taken out easily and remove for the fastness and the installation accuracy of cylinder 2 improve.

Specifically, as shown in fig. 1 to 3, the length of the lower ear mount 3 matches the inner diameter of the slot 9, and the middle positions of the upper ear mount 5 and the lower ear mount 3 are both provided with mounting holes, and the bottom surface of the cushion pad 12 has the same size as the top surface of the protective shell 1.

By adopting the technical scheme, the self-cleaning tunneling hydraulic cylinder is arranged at the top and the bottom of the cutting head through the mounting holes in the upper lug seat 5 and the lower lug seat 3, so that the cushion pad 12 is attached to the outer side of the tunneling machine, the self-cleaning tunneling hydraulic cylinder is convenient to mount, and the influence of vibration on the self-cleaning tunneling hydraulic cylinder is reduced.

Specifically, as shown in fig. 1 to 3, the cylinder barrel 2 and the sweeping module 8 of the self-cleaning heading hydraulic cylinder have outer diameter dimensions that are consistent with the inner diameter dimensions of the slot 9.

By adopting the technical scheme, the cylinder barrel 2 and the cleaning module 8 of the self-cleaning tunneling hydraulic cylinder can penetrate through the open slot 9 to enter the protective shell 1, and the cylinder barrel 2 and the inner wall of the protective shell 1 are free of a gap after installation is completed, so that effective support and protection are achieved, and the stability of the self-cleaning tunneling hydraulic cylinder is improved.

Fig. 4 is a sectional view of a cleaning module of a self-cleaning heading hydraulic cylinder provided in an embodiment of the present invention, and fig. 5 is a sectional view of a cleaning module of a self-cleaning heading hydraulic cylinder provided in an embodiment of the present invention. As shown in fig. 4 and 5, in one embodiment of the present invention, the cleaning module 8 of the self-cleaning heading hydraulic cylinder may include:

the spiral inner cavity 80 is arranged in the wall body of the cleaning module 8, one end of the spiral inner cavity 80 is communicated with one of the two oil inlet/outlet ports 6, and the other end of the spiral inner cavity 80 is communicated with the other of the two oil inlet/outlet ports 6;

a spiral track groove 81, the spiral track groove 81 is arranged on the inner wall of the cleaning module 8, and the position of the spiral track groove 81 corresponds to the position of the spiral inner cavity 80;

at least two arc magnets 82, the at least two arc magnets 82 being disposed in the helical inner cavity 80;

at least two wire brushes 83, at least two wire brushes 83 set up on spiral track groove 81, and at least two wire brushes 83 have the magnetism base, and two arc magnet 82 attract through the magnetism base by at least two wire brushes 83.

Specifically, as shown in fig. 4, one end of the spiral inner cavity 80 may be communicated with one of the two oil inlets and outlets 6 through a first branch 84, and the other end may be communicated with the other of the two oil inlets and outlets 6 through a second branch 85; when the piston rod 4 extends, one of the two oil inlet and outlet ports 6 synchronously feeds oil to the spiral inner cavity 80 through the first branch 84, so that the arc-shaped magnet 82 in the spiral inner cavity 80 spirally moves along the extending direction of the piston rod 4 under the driving of hydraulic oil; when the piston rod 4 retracts, the other of the two oil inlet and outlet ports 6 synchronously feeds oil to the spiral inner cavity 80 through the second branch 85, so that the arc-shaped magnet 82 in the spiral inner cavity 80 moves spirally along the retracting direction of the piston rod 4 under the driving of hydraulic oil.

In the present invention, when one of the first branch 83 and the second branch 85 is in oil, the other one will synchronously produce oil, which belongs to the basic control technology of the hydraulic cylinder, and this is not described in detail in this application.

Further, as shown in fig. 4, the cleaning module 8 of the self-cleaning heading hydraulic cylinder may be provided with two arc magnets 82 and two wire brushes 83 corresponding thereto, and the two wire brushes 83 may be located above and below the piston rod 4, respectively.

In one embodiment of the present invention, the self-cleaning heading cylinder may have a notch at each end of the arcuate magnet 82 as shown in figure 5. The existence of the groove is beneficial to the hydraulic oil of the two oil inlet and outlet ports 6 to enter the spiral inner cavity 80. In addition, the size of the arc-shaped magnet 82 in the present invention is smaller than the inner diameter of the spiral inner cavity 80, thereby facilitating the movement of the arc-shaped magnet 82 in the spiral inner cavity 80.

Through the technical scheme, when the self-cleaning tunneling hydraulic cylinder provided by the embodiment of the invention is used, when the piston rod 4 extends outwards, the spiral inner cavity 80 arranged in the wall body of the cleaning module 8 at one end of the cylinder barrel 2 close to the piston rod 4 synchronously feeds oil along the extending direction of the piston rod 4, the arc magnet 82 in the spiral inner cavity 80 is driven by hydraulic oil to perform outward spiral motion on the spiral inner cavity 80, and the arc magnet 82 drives the steel wire brush 83 to perform outward spiral motion synchronously along the spiral track groove 81 on the inner wall of the cleaning module 8 through the attraction of magnetic force, so that the surface of the extending piston rod 4 is cleaned, and dust stained on the surface of the piston rod 4 is removed; similarly, when the piston rod 4 retracts inwards, the spiral inner cavity 80 synchronously feeds oil along the retracting direction of the piston rod 4, so that the steel wire brush 83 synchronously performs inward spiral motion along the spiral track groove 81, the surface of the retracted piston rod 4 is cleaned, the contaminated dust is further removed, the dust removing capacity of the self-cleaning tunneling hydraulic cylinder is greatly improved, the self-cleaning tunneling hydraulic cylinder is not required to be frequently disassembled and cleaned, and the use frequency of the self-cleaning tunneling hydraulic cylinder is effectively improved.

The working principle is as follows: when a user installs the self-cleaning tunneling hydraulic cylinder, the connecting rod 7 and the oil inlet and outlet 6 are arranged on the inner side of the clamping groove 10, one end of the cylinder barrel 2 far away from the piston rod 4 passes through the open slot 9 to be installed on one end of the protective shell 1, the integral structure of the cylinder barrel 2 is positioned in the protective shell 1, the upper lug seat 5 and the lower lug seat 3 are respectively arranged at corresponding positions of the tunneling machine, the cushion pad 12 is attached to one side of the tunneling machine, the installation block 11 is connected with two sides of the installation seat on the tunneling machine through a plurality of screw holes 12, one end of the protective shell 1 and the cylinder barrel 2 are stably connected with the tunneling machine, when the tunneling machine works, the user controls the compression of the hydraulic cylinder to change the height of the cutting head, oil is conveyed and discharged into the oil inlet and outlet 6 to enable the piston rod 4 to move in the cylinder barrel 2, and the broken stones and dust generated during the work of the tunneling machine, the movement of the piston rod 4 is not influenced, the protection capability of the hydraulic cylinder is enhanced, the service life of the hydraulic cylinder is greatly prolonged, and the cushion pad 12 absorbs the vibration generated when part of the cutting head works; when the self-cleaning tunneling hydraulic cylinder is used, when the piston rod 4 extends outwards, one of the two oil inlet and outlet ports 6 synchronously feeds oil into the spiral inner cavity 80 through the first branch 84, the arc-shaped magnet 82 in the spiral inner cavity 80 is driven by hydraulic oil to make outward spiral motion in the spiral inner cavity 80, and the steel wire brush 83 is driven to synchronously make outward spiral motion along the spiral track groove 81 on the inner wall of the cleaning module 8, so that the surface of the extending piston rod 4 is cleaned, and dust stained on the surface of the piston rod 4 is removed; similarly, when the piston rod 4 retracts inwards, the other one of the two oil inlet and outlet ports 6 synchronously feeds oil into the spiral inner cavity 80 through the second branch 85, so that the steel wire brush 83 synchronously performs inward spiral motion along the spiral track groove 81, the surface of the retracted piston rod 4 is cleaned, the piston rod 4 is spirally cleaned in the extending and retracting process, the dust removing capacity of the self-cleaning tunneling hydraulic cylinder is greatly improved, the self-cleaning tunneling hydraulic cylinder is not required to be frequently detached and cleaned, and the use frequency of the self-cleaning tunneling hydraulic cylinder is effectively improved.

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