CN211501166U

CN211501166U - Hydraulic lifting platform oil cylinder

Info

Publication number: CN211501166U
Application number: CN202020161817.8U
Authority: CN
Inventors: 于壮志; 于奇成
Original assignee: Weihai Lixin Hydraulic Pneumatic Machinery Co ltd
Current assignee: Weihai Lixin Hydraulic Pneumatic Machinery Co ltd
Priority date: 2020-02-11
Filing date: 2020-02-11
Publication date: 2020-09-15
Anticipated expiration: 2030-02-11

Abstract

The utility model discloses a hydraulic lifting platform oil cylinder, which comprises an end head and a piston rod, wherein the piston rod is arranged on the right side of the lower end of the end head, the end head is rotationally connected with the piston rod through an internal thread groove, a hydraulic main body is arranged at the lower side of the right end of the piston rod, the hydraulic main body is fixedly sleeved with the piston rod, the intersection of the hydraulic main body and the piston rod is provided with the first end cover, the connection mode of the traditional end head and the piston rod through welding is changed into the existing connection mode through the internal thread groove, so that the connection is more convenient, and can be more conveniently replaced when the end is damaged, the inside of the piston rod of the utility model is provided with a rotating column, therefore, when the end head is connected with the piston rod, the installation can be more compact by the rotation of the rotary column without the rotation of the hydraulic mechanism and the end head.

Description

Hydraulic lifting platform oil cylinder

Technical Field

The utility model belongs to the technical field of the drive mechanism is relevant, concretely relates to hydraulic lifting platform hydro-cylinder.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion or swinging motion. It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems.

The existing hydraulic lifting platform oil cylinder technology has the following problems: the piston rod of the existing hydraulic lifting platform oil cylinder is generally connected with the end head in a welding mode when in use, so that if the end head is damaged, the operation of replacing the end head is inconvenient, and the problem of resource waste can occur.

Disclosure of Invention

An object of the utility model is to provide a hydraulic lifting platform hydro-cylinder to the problem of changing when appearing damaging is inconvenient like this to the inside end of the current hydraulic lifting platform hydro-cylinder that proposes adopts welded fastening with the piston rod in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydraulic lifting platform hydro-cylinder, includes end and piston rod, the lower extreme right side of end is provided with the piston rod, the end passes through internal thread groove swivelling joint with the piston rod, the right-hand member downside of piston rod is provided with the hydraulic pressure main part, the hydraulic pressure main part cup joints fixedly with the piston rod, the crossing department of hydraulic pressure main part and piston rod is provided with first end cover, the right-hand member downside of piston rod is provided with the second end cover, second end cover and hydraulic pressure main part welded fastening, the constitution of piston rod is including spliced pole, column spinner and the body of rod, the right-hand member of spliced pole is provided with the column spinner, the right-hand member of column spinner is provided with the body of.

Preferably, the end comprises a side plate, an insertion hole, a body and a connecting hole, the connecting hole is formed in the right end surface side of the body, the side plate is arranged on each of the front side and the rear side of the left end of the body, the insertion hole is formed in the side plate, and the end is rotatably connected with the piston rod through the connecting hole and the internal thread groove.

Preferably, the second end cover comprises a fixing plate, a first earring and a second earring, the right end surface of the fixing plate is provided with the first earring, the lower end of the first earring is provided with the second earring, the first earring and the second earring are welded and fixed with the fixing plate, and the second end cover is welded and fixed with the hydraulic main body through the fixing plate.

Preferably, the first earring and the second earring have the same size and specification, and circular hole-shaped structures are arranged inside the first earring and the second earring.

Preferably, the first end cover and the second end cover are identical in size and specification, and are respectively arranged on the left end surface side and the right end surface side of the hydraulic main body.

Preferably, the right end surface sides of the first end cover and the second end cover are both provided with an oil filling hole, and the oil filling holes in the right end surface sides of the first end cover and the second end cover are of hollow tubular structures.

Preferably, the number of the side plates is two, and the inner parts of the two side plates are respectively provided with an inserting hole at the axis of the same horizontal line.

Preferably, the hydraulic main body is a hollow cylinder structure, the hydraulic main body is fixedly sleeved with the piston rod, and a sealing ring is arranged at the joint of the piston rod and the hydraulic main body.

Compared with the prior art, the utility model provides a hydraulic lifting platform hydro-cylinder possesses following beneficial effect:

(1) the connecting mode of the traditional end head and the piston rod through welding is changed into the existing mode of connecting through the internal thread groove, so that the connection is more convenient, and the end head can be more conveniently replaced when being damaged;

(2) the utility model discloses the inside of well piston rod is provided with the column spinner, can be through the rotation of column spinner when carrying out being connected between end and the piston rod like this, can not appear hydraulic pressure mechanism and end and appear rotating more inseparable that just can make the installation to solved the problem that current hydraulic lift platform hydro-cylinder inside end and piston rod adopt welded fastening inconvenient like this to change when appearing damaging.

Drawings

Fig. 1 is a schematic structural view of the hydraulic lifting platform cylinder of the present invention;

FIG. 2 is a schematic view of the structure of the end head of the present invention;

fig. 3 is a schematic view of the piston rod structure of the present invention;

fig. 4 is a schematic structural view of a second end cap of the present invention;

in the figure: 1. a tip; 11. a side plate; 12. inserting holes; 13. a body; 14. connecting holes; 2. a piston rod; 21. connecting columns; 22. a spin column; 23. a rod body; 3. a first end cap; 4. a hydraulic main body; 5. a second end cap; 51. a fixing plate; 52. a first earring; 53. a second earring.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a hydraulic lifting platform oil cylinder comprises an end 1 and a piston rod 2, wherein the end 1 comprises side plates 11, plug-in holes 12, a body 13 and connecting holes 14, the right end surface side of the body 13 is provided with the connecting holes 14, the front side and the rear side of the left end of the body 13 are respectively provided with one side plate 11, the side plates 11 are provided with two side plates, so that a better limiting effect can be achieved, the inner parts of the two side plates 11 are respectively provided with one plug-in hole 12 at the axis center of the same horizontal line, the inner parts of the side plates 11 are provided with the plug-in holes 12, the end 1 is rotatably connected with the piston rod 2 through the connecting holes 14, the right side of the lower end of the end 1 is provided with the piston rod 2, the end 1 is rotatably connected with the piston rod 2 through an internal thread groove, the lower side of the right end of the piston rod 2 is provided with a hydraulic main body 4, the first end cap 3 and the second end cap 5 have the same size and specification, so as to be better fixed, the first end cap 3 and the second end cap 5 are respectively arranged on the left and right end surface sides of the hydraulic main body 4, the second end cap 5 is arranged on the lower side of the right end of the piston rod 2, the second end cap 5 comprises a fixing plate 51, a first ear ring 52 and a second ear ring 53, the first ear ring 52 is arranged on the right end surface side of the fixing plate 51, so as to be better fastened, the second ear ring 53 is arranged at the lower end of the first ear ring 52, the first ear ring 52 and the second ear ring 53 have the same size and specification, so as to be better connected, circular hole-shaped structures are arranged inside the first ear ring 52 and the second ear ring 53, the first ear ring 52 and the second ear ring 53 are welded and fixed with the fixing plate 51, the second end cap 5 is welded and fixed with the hydraulic main body 4 through the fixing plate 51, hydraulic pressure main part 4 is inside hollow cylinder structure, thereby can be so that fixed more stable, hydraulic pressure main part 4 cup joints fixedly with piston rod 2, piston rod 2 is provided with the sealing ring with hydraulic pressure main part 4's junction, second end cover 5 and hydraulic pressure main part 4 welded fastening, first end cover 3 all is provided with an oil filler point with the right-hand member table side of second end cover 5, thereby can be so that the better interpolation that carries out the oil mass, the oil filler point of

first end cover

3 and 5 right-hand member table sides of second end cover is hollow tubular structure, the constitution of piston rod 2 is including spliced pole 21, column spinner 22 and the body of rod 23, the right-hand member of spliced pole 21 is provided with column spinner 22, column spinner 22's right-hand member is provided with the body of rod 23, piston rod 2 cup joints fixedly with hydraulic pressure main.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the oil cylinder is used, the oil cylinder is firstly taken out, then the second end cover 5 of the oil cylinder is stably fixed with the bottom end of the lifting platform through the bolt, then the end 1 is taken out, the end 1 is rotationally connected with the piston rod 2 through the internal thread groove, the rotating column 22 is arranged inside the piston rod 2, thus, the connection between the end 1 and the piston rod 2 can be realized through the rotation of the rotating column 22, the installation can be more compact without the rotation of the hydraulic mechanism and the end 1, and the piston rod 2 can be moved under the action of the oil cylinder through the transmission of the power mechanism when the end 1 is damaged, then the end 1 is fixedly connected with the top end of the lifting platform through the bolt, therefore, the platform can be jacked up, and if the platform is not used, the lifting platform descends by the return motion of the piston rod 2, so that the equipment is used.

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 a hydraulic pressure lift platform hydro-cylinder, includes end (1) and piston rod (2), its characterized in that: a piston rod (2) is arranged on the right side of the lower end of the end head (1), the end head (1) is rotatably connected with the piston rod (2) through an internal thread groove, a hydraulic main body (4) is arranged at the lower side of the right end of the piston rod (2), the hydraulic main body (4) is fixedly sleeved with the piston rod (2), a first end cover (3) is arranged at the intersection of the hydraulic main body (4) and the piston rod (2), a second end cover (5) is arranged on the lower side of the right end of the piston rod (2), the second end cover (5) is welded and fixed with the hydraulic main body (4), the piston rod (2) comprises a connecting column (21), a rotating column (22) and a rod body (23), a rotating column (22) is arranged at the right end of the connecting column (21), a rod body (23) is arranged at the right end of the rotating column (22), the piston rod (2) is fixedly sleeved with the hydraulic main body (4) through a rod body (23).

2. The hydraulic lift platform cylinder of claim 1, wherein: the end socket comprises a side plate (11), an inserting hole (12), a body (13) and a connecting hole (14), wherein the connecting hole (14) is formed in the right end surface side of the body (13), the front side and the rear side of the left end of the body (13) are respectively provided with the side plate (11), the inserting hole (12) is formed in the side plate (11), and the end socket (1) is rotatably connected with a piston rod (2) through the connecting hole (14) and an internal thread groove.

3. The hydraulic lift platform cylinder of claim 1, wherein: the constitution of second end cover (5) is including fixed plate (51), first earring (52) and second earring (53), the right-hand member table side of fixed plate (51) is provided with first earring (52), the lower extreme of first earring (52) is provided with second earring (53), first earring (52) and second earring (53) and fixed plate (51) welded fastening, second end cover (5) are through fixed plate (51) and hydraulic pressure main part (4) welded fastening.

4. The hydraulic lift platform cylinder of claim 3, wherein: the size and specification of the first earring (52) and the second earring (53) are the same, and round hole-shaped structures are arranged inside the first earring (52) and the second earring (53).

5. The hydraulic lift platform cylinder of claim 1, wherein: the size and the specification of the first end cover (3) and the second end cover (5) are the same, and the first end cover (3) and the second end cover (5) are respectively arranged on the left end surface side and the right end surface side of the hydraulic main body (4).

6. The hydraulic lift platform cylinder of claim 1, wherein: the right end surface sides of the first end cover (3) and the second end cover (5) are respectively provided with an oil filling hole, and the oil filling holes in the right end surface sides of the first end cover (3) and the second end cover (5) are of hollow tubular structures.

7. The hydraulic lift platform cylinder of claim 2, wherein: the two side plates (11) are arranged, and the inner parts of the two side plates (11) are respectively provided with an inserting hole (12) at the axis of the same horizontal line.

8. The hydraulic lift platform cylinder of claim 1, wherein: the hydraulic main body (4) is of a hollow cylinder structure, the hydraulic main body (4) is fixedly sleeved with the piston rod (2), and a sealing ring is arranged at the joint of the piston rod (2) and the hydraulic main body (4).