CN212177558U - Trenchless drilling machine oil cylinder with dustproof component - Google Patents

Abstract

The utility model relates to a non-excavation rig hydro-cylinder with dustproof part. The device comprises a cylinder barrel and a cylinder cover, piston rod and piston, be located and be provided with the tubulose casing on the outer terminal surface of cylinder cap, the universal pipe has been cup jointed on the piston rod, universal pipe one end is provided with the flanging, the other end is provided with the flanging, the flanging is located the tubulose casing, the through-hole that a plurality of joints parts are installed to tubulose casing interval is seted up, each through-hole eaves that is located the tubulose casing outer wall is provided with outer annular end cover, each through-hole eaves that is located tubulose shells inner wall is provided with interior annular end cover, it has spring bolt part to be located to peg graft in the through-hole between outer annular end cover and the interior annular end cover, this device passes through spring bolt part's setting, can be quick dismantle and install the universal pipe, the problem of wasting time and energy because hydro-cylinder dustproof part dismouting in the daily production.

Description

Trenchless drilling machine oil cylinder with dustproof component

Technical Field

The utility model belongs to the technical field of the hydro-cylinder, especially, relate to a non-excavation rig hydro-cylinder with dustproof part.

Background

The patent discloses a dust cover patent of an oil cylinder piston rod in a vertical mill hydraulic loading system in the prior Chinese patent database, wherein the application number is CN201420261480.2, the application date is 20140522, the publication number is CN203868031U, and the publication date is 20141008, the patent comprises a grinding roller upper lug ring and an oil cylinder, and the dust cover patent is characterized in that: two chain belts in a pair of zippers are respectively fixed on two long edges of rectangular or parallelogram fabrics, the rectangular or parallelogram fabrics become a cylinder shape after the zippers are closed, the length of the cylinder shape is larger than the maximum stroke of a piston rod, two ends of the cylinder shape are respectively fixed on an ear ring on a grinding roller and an oil cylinder by clamps, and the defects are that: the steps are tedious when this protection casing for hydro-cylinder piston rod dismouting, and the change of carrying out the dust cover that can not be quick has reduced production efficiency.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the dustproof part of current hydro-cylinder piston rod is all comparatively heavy, and the dismouting is wasted time and energy, in order to improve its weak point, the utility model provides a non-excavation rig hydro-cylinder with dustproof part.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a non-excavation drilling machine oil cylinder with a dustproof component comprises a cylinder barrel and a cylinder cover covering the opening of the cylinder barrel, wherein a piston rod extending into the cylinder barrel is inserted into the cylinder cover, the free end of the piston rod positioned in the cylinder barrel is connected with a piston, a tubular shell coaxial with the cylinder cover is arranged on the outer end face of the cylinder cover, a universal pipe is sleeved on the piston rod positioned outside the cylinder barrel, one end of the universal pipe is provided with an outward flange, the other end of the universal pipe is provided with an inward flange, the outward flange is positioned in the tubular shell, the tubular shell is provided with a plurality of through holes for installing clamping components at intervals, each through hole edge positioned on the outer wall of the tubular shell is provided with an outer annular end cover, each through hole edge positioned on the inner wall of the tubular shell is provided with an inner annular end cover, a lock tongue component is inserted in the through, limiting plate one end on the ring-shaped end cover including contradicting is connected with the spring bolt, and the spring bolt that extends to the outer ring-shaped end cover of interior ring-shaped end cover sets up with flanging joint, and the other end is connected with the pull rod coaxial with the through-hole, and the pull rod free end forms the portion of holding outside extending to outer ring-shaped end, has cup jointed compression spring on being located the pull rod in the through-hole, and compression spring one end is contradicted on outer ring-shaped end cover, and the other end is contradicted on the limiting plate, interior turn-ups and piston rod.

The utility model discloses the during operation, when the outer universal pipe of piston rod is dismantled to needs, through drawing the outer pull rod of drawing the tubulose casing, make the pull rod drive limiting plate extrusion compression spring, make the spring bolt of being connected with the limiting plate break away from the flanging of universal pipe, thereby take out the universal pipe, when the universal pipe is installed to needs, to have the flanging universal pipe one end arrange the tubulose casing in, extrude the spring bolt through the flanging, make spring bolt and limiting plate extrusion compression spring, the flanging when universal pipe moves to the spring bolt bottom, because compression spring's elasticity carries out the joint with the flanging of spring bolt and universal pipe.

Compared with the prior art, the beneficial effects of the utility model are that: this device passes through the setting of spring bolt part, can be quick dismantle and install the universal pipe, has solved in the daily production because the hydro-cylinder dustproof part dismouting problem that wastes time and energy, has indirectly improved production efficiency, and the device is applicable to in the industrial production, has good practicality.

The free end of the piston rod is provided with an annular clamping groove, the connecting part comprises a clamp spring clamped in the annular clamping groove, and the inner flanging is fixedly connected with the clamp spring through a screw.

And a convex shoulder at the free end of the piston rod is sleeved with a conical surface gasket, one end surface of the conical surface gasket is abutted against the inner surface of the inward flange, and the other end surface of the conical surface gasket is abutted against the end surface of the snap spring.

The free end of the piston rod, which is positioned outside the cylinder barrel, is connected with an earring, and the outer surface of the bottom of the cylinder barrel is provided with a hinged seat.

An oil inlet communicated with the cylinder barrel is formed in the side face of the bottom of the cylinder barrel, and an oil outlet communicated with the cylinder barrel is formed in the side face of the cylinder barrel on one side of the cylinder cover.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

In the figure: 1 cylinder, 2 cylinder covers, 3 piston rods, 301 annular joint groove, 4 pistons, 5 tubular casings, 501 through-hole, the outer annular end cover of 502, the annular end cover in 503, 6 universal pipes, 601 flanging, 602 flanging, 7 spring bolt parts, 701 limiting plate, 702 spring bolt, 703 pull rod, 704 compression spring, 8 jump rings, 9 conical surface packing rings, 10 earrings, 11 articulated seats, 12 oil inlets, 13 oil outlets.

Detailed Description

The technical solution of the present application will be further described and explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1-3, the trenchless drilling machine oil cylinder with a dustproof component comprises a cylinder barrel 1 and a cylinder cover 2 covering an opening of the cylinder barrel 1, a piston rod 3 extending into the cylinder barrel 1 is inserted into the cylinder cover 2, a piston 4 is connected to a free end of the piston rod 3 positioned in the cylinder barrel 1, a tubular housing 5 coaxial with the cylinder cover 2 is arranged on an outer end face of the cylinder cover 2, a universal pipe 6 is sleeved on the piston rod 3 positioned outside the cylinder barrel 1, an outward flange 601 is arranged at one end of the universal pipe 6, an inward flange 602 is arranged at the other end of the universal pipe, the outward flange 601 is positioned in the tubular housing 5, a plurality of through holes 501 for installing clamping components are arranged at intervals in the tubular housing 5, an outer annular end cover 502 is arranged at an edge of each through hole 501 positioned on an outer wall of the tubular housing 5, an inner annular end cover 503 is arranged at an edge of each through hole 501 positioned on an inner wall of the tubular housing 5, bolt part 7 is including being located the limiting plate 701 of through-hole 501, limiting plate 701 one end on the ring-shaped end cover 503 including conflicting is connected with spring bolt 702, spring bolt 702 and the setting of flanging 601 joint outside extending to ring-shaped end cover 503 in, the other end is connected with the pull rod 703 coaxial with through-hole 501, the outer annular end face of pull rod 703 free end extension, form the portion of holding, compression spring 704 has been cup jointed on the pull rod 703 that is located through-hole 501, compression spring 704 one end is contradicted on outer ring-shaped end cover 502, the other end is contradicted on limiting plate 701, flanging 602 and 3 free end of piston rod are through adapting unit rigid couplings. The free end of the piston rod 3 is provided with an annular clamping groove 301, the connecting component comprises a clamp spring 8 clamped in the annular clamping groove 301, and the inward flange 602 is fixedly connected with the clamp spring 8 through a screw. A conical washer 9 is sleeved on a convex shoulder at the free end of the piston rod 3, one end face of the conical washer 9 props against the inner surface of the inner flanging 602, and the other end face props against the end face of the clamp spring 8. The free end of the piston rod 3 positioned outside the cylinder barrel 1 is connected with an earring 10, and the outer surface of the bottom of the cylinder barrel 1 is provided with a hinged seat 11. An oil inlet 12 communicated with the cylinder barrel 1 is formed in the side face of the bottom of the cylinder barrel 1, and an oil outlet 13 communicated with the cylinder barrel 1 is formed in the side face of the cylinder barrel 1 on one side of the cylinder cover 2.

When the universal pipe 6 works, when the universal pipe 6 outside the piston rod 3 needs to be disassembled, the pull rod 703 outside the tubular shell 5 is pulled, the pull rod 703 drives the limiting plate 701 to extrude the compression spring 704, the bolt 702 connected with the limiting plate 701 is separated from the flanging 601 of the universal pipe 6, the universal pipe 6 is taken out, when the universal pipe 6 needs to be installed, one end of the universal pipe 6 with the flanging 601 is arranged in the tubular shell 5, the bolt 702 is extruded through the flanging 601, the bolt 702 and the limiting plate 701 extrude the compression spring 704, when the flanging 601 of the universal pipe 6 moves to the bottom of the bolt 702, and the bolt 702 is clamped with the flanging 601 of the universal pipe 6 due to the elastic force of the compression spring 704.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims (5)

1. The utility model provides a non-excavation rig hydro-cylinder with dustproof part, closes the cylinder cap at the cylinder opening part including cylinder and lid, and it has the piston rod that extends to in the cylinder to peg graft on the cylinder cap, and the piston rod free end that is located the cylinder is connected with piston, its characterized in that: a tubular shell coaxial with the cylinder cover is arranged on the outer end face of the cylinder cover, a universal pipe is sleeved on a piston rod outside the cylinder, one end of the universal pipe is provided with an outward flange, the other end of the universal pipe is provided with an inward flange, the outward flange is arranged in the tubular shell, a plurality of through holes for installing clamping components are arranged at intervals on the tubular shell, each through hole edge on the outer wall of the tubular shell is provided with an outer annular end cover, each through hole edge on the inner wall of the tubular shell is provided with an inner annular end cover, a spring bolt component is inserted in the through hole between the outer annular end cover and the inner annular end cover and comprises a limiting plate arranged in the through hole, one end of the limiting plate abutted against the inner annular end cover is connected with a spring bolt, the spring bolt extending out of the inner annular end cover is clamped with the outward flange, the other end, the handle portion is formed, a compression spring is sleeved on the pull rod in the through hole, one end of the compression spring abuts against the outer annular end cover, the other end of the compression spring abuts against the limiting plate, and the inner flanging is fixedly connected with the free end of the piston rod through a connecting component.

2. The trenchless drilling rig cylinder with dust-proof component of claim 1, wherein: the free end of the piston rod is provided with an annular clamping groove, the connecting part comprises a clamp spring clamped in the annular clamping groove, and the inner flanging is fixedly connected with the clamp spring through a screw.

3. The trenchless drilling rig cylinder with dust-proof component of claim 2, wherein: and a convex shoulder at the free end of the piston rod is sleeved with a conical surface gasket, one end surface of the conical surface gasket is abutted against the inner surface of the inward flange, and the other end surface of the conical surface gasket is abutted against the end surface of the snap spring.

4. The trenchless drilling rig cylinder with dust-proof component of claim 3, wherein: the free end of the piston rod, which is positioned outside the cylinder barrel, is connected with an earring, and the outer surface of the bottom of the cylinder barrel is provided with a hinged seat.

5. The trenchless drilling rig cylinder with dust seal of any of claims 1-4 wherein: an oil inlet communicated with the cylinder barrel is formed in the side face of the bottom of the cylinder barrel, and an oil outlet communicated with the cylinder barrel is formed in the side face of the cylinder barrel on one side of the cylinder cover.

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