CN216737374U

CN216737374U - Double-acting hydraulic jack with mechanical external locking nut

Info

Publication number: CN216737374U
Application number: CN202123198644.0U
Authority: CN
Inventors: 方鹏
Original assignee: Taizhou Tongsheng Hydraulic Technology Co ltd
Current assignee: Taizhou Tongsheng Hydraulic Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-06-14
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a double-acting hydraulic jack with mechanical external locking nut, including the jack main part, the lower fixed surface of jack main part is connected with the base, the inside sliding connection of base has the removal frame, the outside fixedly connected with supporting shoe of removal frame, the upper surface of removing the frame is provided with positioning hole, the upper surface of supporting shoe is provided with the holding tank. The utility model discloses in, set up the supporting shoe, removed the frame, positioning hole, spacing spring, polished rod, holding tank, positioning bolt, location nail, mounting nut, spacer, screw thread post, constant head tank, during the use, can shift out the supporting shoe, increase the stress point, guarantee the security of using, when not using, can withdraw and save space, to some special use scenes, the location nail can imbed the bottom surface, the increase is with the contact force on ground, the condition that the base skidded prevents to appear, it is safer to use.

Description

Double-acting hydraulic jack with mechanical external locking nut

Technical Field

The utility model relates to a jack technical field especially relates to two effect hydraulic jack of female lock outside taking machinery.

Background

The hydraulic jack adopts a plunger or a hydraulic cylinder as a rigid jacking piece, has the characteristics of compact structure, stable work, large jacking force, self-locking and the like, has strong jacking capacity, has the jacking force exceeding 100t, is generally provided with a piston rod external thread, a gear ring nut and a guide post inside a piston rod, and realizes the self-locking function through the matching of the gear ring nut and the piston rod thread.

Among the prior art, when hydraulic jack used, the base was stable inadequately, appeared the condition of skew easily, caused the potential safety hazard easily, used safety inadequately.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and provides a double-acting hydraulic jack with a mechanical external locking nut.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the double-acting hydraulic jack with the mechanical outer lock nut comprises a jack main body, wherein a base is fixedly connected to the lower surface of the jack main body, a moving frame is slidably connected to the inside of the base, a supporting block is fixedly connected to the outer side of the moving frame, a positioning through hole is formed in the upper surface of the moving frame, an accommodating groove is formed in the upper surface of the supporting block, a polished rod is fixedly connected to the lower portion of the base, a limiting spring is arranged on the outer surface of the polished rod, and a positioning bolt is arranged on the upper portion of the base;

the inside of base is provided with the screw thread post, the upper portion threaded connection of screw thread post has mounting nut, the lower fixed surface of screw thread post is connected with the spacer, the lower fixed surface of spacer is connected with the location nail.

As a further description of the above technical solution:

the lower surface of base is provided with the constant head tank, the spacer is located the inside of constant head tank.

As a further description of the above technical solution:

the upper portion of jack main part is provided with ring gear nut, piston post, the surface of jack main part is provided with the oil pipe link.

As a further description of the above technical solution:

the lower surface of the base is provided with a placing groove, the supporting blocks are located inside the placing groove, and the supporting blocks are symmetrically arranged.

As a further description of the above technical solution:

the polished rod passes through the movable frame, and the number of the limiting springs is two.

As a further description of the above technical solution:

the limiting spring is positioned on the inner side of the movable frame.

As a further description of the above technical solution:

the inside of positioning through hole is provided with the screw thread, positioning through hole and positioning bolt cooperate.

As a further description of the above technical solution:

the positioning bolt is located on the inner side of the mounting nut, and the mounting nut is located above the base.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this double-acting hydraulic jack with mechanical external locking nut has set up supporting shoe, has removed frame, positioning hole, spacing spring, polished rod, holding tank, positioning bolt, during the use, can shift out the supporting shoe, increases the stress point, guarantees the security of using, when not using, can withdraw and save space.

2. Compared with the prior art, this double-acting hydraulic jack with mechanical external locking nut has set up location nail, mounting nut, spacer, screw thread post, constant head tank, to some special use scenes, the bottom surface can be embedded into to the location nail, and the increase is with the contact force on ground, prevents the condition that the base skidded, uses safelyr.

Drawings

Fig. 1 is a schematic structural view of a double-acting hydraulic jack with a mechanical external locking nut provided by the present invention;

fig. 2 is a side view of the double-acting hydraulic jack with the mechanical outer lock nut provided by the present invention;

fig. 3 is a bottom view of the double-acting hydraulic jack with the mechanical external locking nut provided by the utility model;

fig. 4 is a schematic structural view of a positioning pin portion of the double-acting hydraulic jack with the mechanical external locking nut provided by the present invention;

fig. 5 is a schematic structural diagram of a supporting block portion of the double-acting hydraulic jack with the mechanical external locking nut provided by the present invention.

Illustration of the drawings:

1. a jack main body; 101. a ring gear nut; 102. a piston post; 103. an oil pipe connecting end; 2. positioning a nail; 201. mounting a nut; 202. a threaded post; 203. positioning plates; 204. positioning a groove; 3. a base; 4. a support block; 401. a movable frame; 402. positioning the through hole; 403. a limiting spring; 404. a polish rod; 405. accommodating grooves; 5. and (6) positioning the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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. 1-5, the present invention provides an embodiment: a double-acting hydraulic jack with a mechanical external locking nut comprises a jack main body 1, wherein a gear ring nut 101 and a piston column 102 are arranged at the upper part of the jack main body 1, threads are arranged on the outer surface of the piston column 102, the gear ring nut 101 is in threaded connection with the piston column 102, the gear ring nut 101 is abutted to the jack main body 1 by rotating the gear ring nut 101, so that the self-locking function can be realized, an oil pipe connecting end 103 is arranged on the outer surface of the jack main body 1 and is used for being connected with an external oil pipe to provide power for the working of the jack main body 1, a base 3 is fixedly connected to the lower surface of the jack main body 1, a moving frame 401 is slidably connected to the inner part of the base 3, a supporting block 4 is fixedly connected to the outer side of the moving frame 401, a placing groove is arranged on the lower surface of the base 3, the supporting block 4 is arranged in a symmetrical manner, and a positioning through hole 402 is arranged on the upper surface of the moving frame 401, the interior of the positioning through hole 402 is provided with threads, the positioning through hole 402 is matched with a positioning bolt 5, the upper surface of the supporting block 4 is provided with an accommodating groove 405, the lower part of the base 3 is fixedly connected with a polish rod 404, the polish rod 404 passes through the moving frame 401, the number of the limiting springs 403 is two, the outer surface of the polish rod 404 is provided with a limiting spring 403, the limiting spring 403 is positioned at the inner side of the moving frame 401, the upper part of the base 3 is provided with the positioning bolt 5, the positioning bolt 5 is positioned at the inner side of the mounting nut 201, the mounting nut 201 is positioned above the base 3, when in use, the positioning bolt 5 is taken out of the accommodating groove 405, then the supporting block 4 is pulled out through a groove on the lower surface of the supporting block 4, the supporting block 4 drives the moving frame 401 to move, the moving frame 401 extrudes the limiting spring 403 to enable the positioning through hole 402 to move to a position under the positioning bolt 5, and then the supporting block 4 can be fixed by screwing the positioning bolt 5, at the moment, the supporting block 4 is extended out, the stress point is changed, the use safety is improved, when the supporting block is not used, the positioning bolt 5 is screwed off, then the supporting block 4 is reset under the action of the limiting spring 403, the supporting block 4 is hidden, and the space is saved;

base 3's inside is provided with threaded column 202, threaded column 202's upper portion threaded connection has mounting nut 201, threaded column 202's lower fixed surface is connected with spacer 203, base 3's lower surface is provided with constant head tank 204, spacer 203 is located the inside of constant head tank 204, spacer 203's lower fixed surface is connected with location nail 2, location nail 2 has four, guarantee the stability of location, to some special use scenes, can install location nail 2, pass base 3 earlier with threaded column 202, then twist mounting nut 201 on threaded column 202, install location nail 2 on base 3, location nail 2 can imbed inside the bottom surface, increase and the contact force on ground, prevent that gliding condition from appearing in base 3, further improve the security, and simultaneously, when not using, can dismantle alone, and is flexible to use, and convenient.

The working principle is as follows: when the positioning nail 2 is used, the positioning bolt 5 is taken out of the containing groove 405, the supporting block 4 is pulled out through the groove on the lower surface of the supporting block 4, the supporting block 4 drives the moving frame 401 to move, the moving frame 401 extrudes the limiting spring 403, the positioning through hole 402 moves to the position under the positioning bolt 5, then the supporting block 4 can be fixed by screwing the positioning bolt 5, the supporting block 4 extends out at the moment, the stress point is changed, the use safety is improved, when the positioning nail 2 is not used, the positioning bolt 5 is screwed off, then the supporting block 4 is reset under the action of the limiting spring 403, the supporting block 4 is hidden, the space is saved, for some special use scenes, the positioning nail 2 can be installed, the threaded column 202 penetrates through the base 3 firstly, then the installation nut 201 is screwed on the threaded column 202, the positioning nail 2 is installed on the base 3, and the positioning nail 2 can be embedded into the bottom surface, increase and the contact force on ground, prevent that gliding condition from appearing in base 3, further improve the security, simultaneously, when not using, can dismantle alone, it is nimble, convenient to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Double-acting hydraulic jack with mechanical external locking nut comprises a jack main body (1) and is characterized in that: the lower surface of the jack main body (1) is fixedly connected with a base (3), the inside of the base (3) is connected with a moving frame (401) in a sliding mode, the outer side of the moving frame (401) is fixedly connected with a supporting block (4), the upper surface of the moving frame (401) is provided with a positioning through hole (402), the upper surface of the supporting block (4) is provided with an accommodating groove (405), the lower portion of the base (3) is fixedly connected with a polished rod (404), the outer surface of the polished rod (404) is provided with a limiting spring (403), and the upper portion of the base (3) is provided with a positioning bolt (5);

the inside of base (3) is provided with screw thread post (202), the upper portion threaded connection of screw thread post (202) has mounting nut (201), the lower fixed surface of screw thread post (202) is connected with spacer (203), the lower fixed surface of spacer (203) is connected with location nail (2).

2. The double-acting hydraulic jack with mechanical locknut of claim 1, wherein: the lower surface of base (3) is provided with constant head tank (204), spacer (203) are located the inside of constant head tank (204).

3. The double-acting hydraulic jack with the mechanical external locking nut as claimed in claim 1, wherein: the upper portion of jack main part (1) is provided with ring gear nut (101), piston post (102), the surface of jack main part (1) is provided with oil pipe connection end (103).

4. The double-acting hydraulic jack with the mechanical external locking nut as claimed in claim 1, wherein: the lower surface of the base (3) is provided with a placing groove, the supporting blocks (4) are located inside the placing groove, and the supporting blocks (4) are symmetrically arranged.

5. The double-acting hydraulic jack with the mechanical external locking nut as claimed in claim 1, wherein: the polish rod (404) penetrates through the moving frame (401), and the number of the limiting springs (403) is two.

6. The double-acting hydraulic jack with the mechanical external locking nut as claimed in claim 1, wherein: the limiting spring (403) is positioned on the inner side of the moving frame (401).

7. The double-acting hydraulic jack with the mechanical external locking nut as claimed in claim 1, wherein: the positioning through hole (402) is internally provided with threads, and the positioning through hole (402) is matched with the positioning bolt (5).

8. The double-acting hydraulic jack with the mechanical external locking nut as claimed in claim 1, wherein: the positioning bolt (5) is located on the inner side of the mounting nut (201), and the mounting nut (201) is located above the base (3).