CN214133784U

CN214133784U - Hydraulic hammer capable of improving reversing time of piston rod

Info

Publication number: CN214133784U
Application number: CN202022944856.8U
Authority: CN
Inventors: 罗斌
Original assignee: Ma'anshan Anrui Machinery Co ltd
Current assignee: Ma'anshan Anrui Machinery Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-09-07
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to a hydraulic hammer technical field just discloses a improve hydraulic hammer of piston rod switching-over time, including well jar, oil inlet and oil return opening have been seted up respectively to the top of well jar, the inside of well jar is equipped with the buffer area, the inside of well jar and the right side fixed mounting who is located the buffer area have a valve body, the inside fixedly connected with valve barrel of valve body, the inside fixedly connected with case of valve barrel, the inside of well jar and the right side fixed mounting who is located the valve body have the support ring. This improve hydraulic hammer of piston rod switching-over time, the area difference through the motion both ends that set up the valve barrel is big, and the stroke is short, the effectual switching-over time that shortens the piston rod, great improvement the sensitivity of piston rod for the piston rod can rapid work, reached the effect that the switching-over time is short, the effectual piston rod work efficiency that has improved, thereby the effectual longer serious problem that influences piston rod work efficiency of piston rod switching-over time of having solved the piston rod.

Description

Hydraulic hammer capable of improving reversing time of piston rod

Technical Field

The utility model relates to a hydraulic hammer technical field specifically is a improve hydraulic hammer of piston rod switching-over time.

Background

The hydraulic hammer is a forging hammer which expands by means of nitrogen sealed in an upper cavity of a cylinder and pushes a hammer head to descend in an accelerated manner, and meanwhile, the lower hammer head is lifted by means of control of an electro-hydraulic system so as to realize die forging on impact.

At present, main shaft rotation and hydraulic hammer impact are mainly applied during construction of an anchoring drilling machine, construction requirements can be met only by using rotation in normal stratum, but when complex terrain is encountered, if cobblestone terrain exists, impact of the hydraulic hammer is used for assisting construction, but the piston rod of the existing hydraulic hammer is long in reversing time, so that the piston rod cannot work rapidly, and the hydraulic hammer capable of improving the reversing time of the piston rod is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an improve hydraulic hammer of piston rod switching-over time possesses advantages such as switching-over time weak point, has solved the longer serious problem that influences piston rod work efficiency of piston rod switching-over time.

(II) technical scheme

In order to realize the purpose of short reversing time, the utility model provides a following technical scheme: the utility model provides an improve hydraulic hammer of piston rod switching-over time, includes well jar, oil inlet and oil return opening have been seted up respectively at the top of well jar, the inside of well jar is equipped with the buffer area, the inside of well jar and the right side fixed mounting who is located the buffer area have the valve body, the inside fixedly connected with valve barrel of valve body, the inside fixedly connected with case of valve barrel, the inside of well jar and the right side fixed mounting who is located the valve body have the support ring, the outside swing joint of well jar has the piston rod that runs through and extend to well jar outside.

Preferably, the middle cylinder is a hollow cylinder, and an oil delivery pipe and an oil return pipe which extend to the inside of the middle cylinder are fixedly connected to the outside of the oil inlet and the outside of the oil return port respectively.

Preferably, the inside of well cylinder is seted up the mounting groove of buffer looks adaptation, the buffer is located the outside of piston rod, the inside of buffer is equipped with high-pressure oil port.

Preferably, the area difference between the two moving ends of the valve sleeve is large, the stroke is short, the valve sleeve is fixedly connected with the valve body through a locking screw, and the number of the valve cores is two.

Preferably, the support ring is a hollow cylinder, the inner diameter of the support ring is equal to the outer diameter of the piston rod, the right side of the piston rod is fixedly connected with a hydraulic cylinder, and two ends of the joint of the piston rod and the middle cylinder are fixedly connected with sealing rings.

(III) advantageous effects

Compared with the prior art, the utility model provides an improve hydraulic hammer of piston rod switching-over time possesses following beneficial effect:

this improve hydraulic hammer of piston rod switching-over time, the area difference through the motion both ends that set up the valve barrel is big, and the stroke is short, the effectual switching-over time that shortens the piston rod, great improvement the sensitivity of piston rod for the piston rod can rapid work, reached the effect that the switching-over time is short, the effectual piston rod work efficiency that has improved, thereby the effectual longer serious problem that influences piston rod work efficiency of piston rod switching-over time of having solved the piston rod.

Drawings

FIG. 1 is a sectional view of the present invention;

fig. 2 is a top view of the present invention.

In the figure: the oil-return valve comprises a middle cylinder 1, an oil inlet 2, an oil return port 3, a buffer area 4, a valve body 5, a valve sleeve 6, a valve core 7, a support ring 8 and a piston rod 9.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the present invention, and therefore only show the components related to the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, a hydraulic hammer for increasing piston rod reversing time includes a middle cylinder 1, an oil inlet 2 and an oil return port 3 are respectively formed at the top of the middle cylinder 1, the middle cylinder 1 is a hollow cylinder, an oil pipe and an oil return pipe extending into the middle cylinder 1 are respectively fixedly connected to the outside of the oil inlet 2 and the oil return port 3, a buffer area 4 is formed inside the middle cylinder 1, a mounting groove matched with the buffer area 4 is formed inside the middle cylinder 1, the buffer area 4 is located outside a piston rod 9, a high pressure oil port is formed inside the buffer area 4, a valve body 5 is fixedly mounted inside the middle cylinder 1 and on the right side of the buffer area 4, a valve sleeve 6 is fixedly connected to the inside of the valve body 5, a valve core 7 is fixedly connected to the inside of the valve sleeve 6, the area difference between the two moving ends of the valve sleeve 6 is large, the stroke is short, the valve sleeve 6 is fixedly connected to the valve body 5 through a locking screw, and the number of the valve core 7 is two, a support ring 8 is fixedly arranged inside the middle cylinder 1 and positioned at the right side of the valve body 5, a piston rod 9 which penetrates through and extends to the outside of the middle cylinder 1 is movably connected outside the middle cylinder 1, the support ring 8 is a hollow cylinder, the inner diameter of the support ring 8 is equal to the outer diameter of the piston rod 9, a hydraulic cylinder is fixedly connected at the right side of the piston rod 9, sealing rings are fixedly connected at two ends of the joint of the piston rod 9 and the middle cylinder 1, the hydraulic hammer for improving the reversing time of the piston rod has the advantages that the area difference between the two moving ends of the valve sleeve 6 is large, the stroke is short, the reversing time of the piston rod 9 is effectively shortened, the sensitivity of the piston rod 9 is greatly improved, the piston rod 9 can work rapidly, the effect of short reversing time is achieved, the working efficiency of the piston rod is effectively improved, therefore, the problem that the work efficiency of the piston rod is influenced seriously due to long reversing time of the piston rod is effectively solved.

In conclusion, the hydraulic hammer capable of improving the reversing time of the piston rod effectively shortens the reversing time of the piston rod 9 by setting the valve sleeve 6 to have large area difference and short stroke at two moving ends, greatly improves the sensitivity of the piston rod 9, enables the piston rod 9 to work rapidly, achieves the effect of short reversing time, effectively improves the working efficiency of the piston rod, and effectively solves the problem that the working efficiency of the piston rod is influenced seriously due to long reversing time of the piston rod.

It is to be noted that 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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.

Claims

1. The utility model provides an improve hydraulic hammer of piston rod switching-over time, includes well jar (1), its characterized in that: oil inlet (2) and oil return opening (3) have been seted up respectively at the top of well jar (1), the inside of well jar (1) is equipped with buffer area (4), the inside of well jar (1) and the right side fixed mounting that is located buffer area (4) have valve body (5), the inside fixedly connected with valve barrel (6) of valve body (5), the inside fixedly connected with case (7) of valve barrel (6), the inside of well jar (1) and the right side fixed mounting that is located valve body (5) have support ring (8), the outside swing joint of well jar (1) has piston rod (9) that runs through and extend to well jar (1) outside.

2. The hydraulic hammer of claim 1, wherein the piston rod reversing time is increased by: the middle cylinder (1) is a hollow cylinder, and an oil delivery pipe and an oil return pipe which extend to the interior of the middle cylinder (1) are fixedly connected to the exterior of the oil inlet (2) and the exterior of the oil return opening (3) respectively.

3. The hydraulic hammer of claim 1, wherein the piston rod reversing time is increased by: the mounting groove of buffers (4) looks adaptation is seted up to the inside of well jar (1), buffers (4) are located the outside of piston rod (9), the inside of buffers (4) is equipped with high-pressure oil port.

4. The hydraulic hammer of claim 1, wherein the piston rod reversing time is increased by: the valve is characterized in that the area difference of two moving ends of the valve sleeve (6) is large, the stroke is short, the valve sleeve (6) is fixedly connected with the valve body (5) through a locking screw, and the number of the valve cores (7) is two.

5. The hydraulic hammer of claim 1, wherein the piston rod reversing time is increased by: the support ring (8) is a hollow cylinder, the inner diameter of the support ring (8) is equal to the outer diameter of the piston rod (9), the right side of the piston rod (9) is fixedly connected with a hydraulic cylinder, and two ends of the joint of the piston rod (9) and the middle cylinder (1) are fixedly connected with sealing rings.