Hydraulic power machine convenient to position

Abstract

The utility model discloses a hydraulic power machine convenient to position, and relates to the technical field of hydraulic equipment, the hydraulic power machine convenient to position comprises a cylinder body, a positioning guide table, a positioning fixing assembly and a hydraulic connecting assembly, the cylinder body is provided with a first oil pipe and a second oil pipe, and the cylinder body is further provided with a piston rod; wherein the cylinder body is provided with the positioning sliding seat; the hydraulic connecting assembly comprises a connecting ring, and the positioning guide table is fixedly connected with the connecting ring through a connecting rod; when the piston rod moves, the positioning guide table sliding at the side end of the cylinder body can be synchronously driven to move, the piston rod can be kept stable when extending out through the positioning sliding base, after the piston rod stops, the piston rod is positioned and fixed through the positioning guide table, and the piston rod can be stably positioned and fixed through the friction plate. And then the piston rod synchronous with the positioning guide table is synchronously positioned and fixed, and the piston rod is kept stable all the time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hydraulic equipment, specifically is a hydraulic power machinery convenient to position. BACKGROUND

[0002] Hydraulic mechanical equipment refers to the mechanical equipment that utilizes hydraulic transmission principle, converts mechanical energy into hydraulic energy through a hydraulic pump, and converts hydraulic energy into mechanical energy through a hydraulic cylinder or a hydraulic motor, and it is widely applied to various industrial fields, such as engineering machinery, construction machinery, agricultural machinery, aerospace, transportation, etc.

[0003] The hydraulic cylinder is one kind of hydraulic mechanical equipment, and the hydraulic cylinder is mainly driven by hydraulic oil, and the hydraulic oil can drive the piston rod to move in and out in the cylinder body through pressure, after the piston rod is extended, the piston rod is difficult to keep stable due to various reasons in the hydraulic cylinder, and when there is leakage in the hydraulic cylinder, the hydraulic oil will be lost, the pressure cannot be kept, so the position of the piston cannot be maintained, and the friction in the hydraulic cylinder will increase due to the high viscosity of the hydraulic oil, the resistance of the piston during movement will increase, so the stability cannot be kept, and the stability of the piston rod is required to be high for part of the hydraulic equipment used for precision machining, so a hydraulic equipment for positioning the piston rod is required. SUMMARY

[0004] The utility model provides a hydraulic power machinery convenient to position to solve above -mentioned existing problem.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of hydraulic power machinery convenient to position, including cylinder body, the first oil pipe and second oil pipe are installed in the cylinder body, cylinder body is also installed with piston rod, further including positioning guide station, positioning fixed component and hydraulic connection component, wherein:

[0006] The positioning sliding seat is installed outside the cylinder body, and the positioning guide station is slidingly connected in the sliding seat and cooperates with the sliding seat.

[0007] The hydraulic connection component includes a connecting ring detachably installed on the piston rod, and the positioning guide station is fixedly connected with the connecting ring through the connecting rod.

[0008] The positioning fixed component includes a lifting platform that can be controlled to extend and retract, and the lifting platform is provided with a friction plate for positioning and braking the positioning guide station at the bottom.

[0009] As a preferred technical scheme of the utility model, the positioning guide station includes a long strip-shaped sliding platform, and the upper end surface of the positioning guide station is a braking end surface, the braking end surface corresponds to and cooperates with the friction plate, and two symmetrical stop edges are installed on the upper end of the braking end surface.

[0010] As a preferred technical scheme of the utility model, the positioning sliding seat is equipped with a T-shaped slot in sliding connection with the sliding platform, and the sliding cross section is T-shaped.

[0011] As a preferred technical scheme of the utility model, the positioning fixing assembly further comprises assembly plates symmetrically installed at the side ends of the cylinder body, a second installation plate is installed between the assembly plates, a small air cylinder is installed at the upper end of the second installation plate, a pushing platform in sliding connection with the upper end of the lifting platform is fixed to the output end of the small air cylinder, and an inclined platform in movable connection with the pushing platform and in cooperation is installed at the upper end of the lifting platform.

[0012] As a preferred technical scheme of the utility model, a first installation plate is installed between the assembly plates, reset plates are symmetrically installed at the side ends of the lifting platform, a positioning column extending through the reset plates and extending above the reset plates is installed at the upper end of the first installation plate, and a reset spring is sleeved with the part of the outer wall of the positioning column between the first installation plate and the reset plates.

[0013] As a preferred technical scheme of the utility model, the outer wall of the part of the piston rod extending out of the cylinder body is provided with external threads, a rotating drum is rotatably connected in the inside of the connecting ring, the inner wall of the rotating drum is provided with internal threads, the external threads are in threaded connection with the internal threads,

[0014] As a preferred technical scheme of the utility model, a rotating ring is installed at the outer wall of the rotating drum, and an annular rotating slot is arranged in the inner wall of the connecting ring and in rotatable connection with the rotating ring.

[0015] As a preferred technical scheme of the utility model, compared with the prior art, the utility model provides a hydraulic power machine convenient to position, and has the following beneficial effects:

[0016] The connecting ring and the connecting rod can drive the positioning guide table in the side end of the cylinder body to move synchronously when the piston rod moves, the positioning sliding seat can keep the piston rod stable when the piston rod extends out, the lifting platform is driven to press down on the positioning guide table by starting the small air cylinder after the piston rod stops, the positioning guide table is positioned and fixed, the piston rod synchronized with the positioning guide table is positioned and fixed, and the piston rod is kept stable all the time. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a piston rod extension state schematic view of the utility model;

[0019] Figure 3 It is a positioning fixing assembly structure schematic view of the utility model;

[0020] Figure 4The utility model discloses positioning fixed assembly internal structure diagram;

[0021] Figure 5 The utility model discloses hydraulic connection assembly internal section view.

[0022] In the drawing: 1, cylinder body;11, first oil pipe;12, second oil pipe;13, piston rod;131, outer thread;2, positioning guide table;21, sliding table;22, brake end face;23, blocking edge;3, positioning fixed assembly;31, small -size cylinder;32, push table;33, transmission inclined table;34, lifting platform;341, friction plate;35, positioning column;36, reset board;37, reset spring;38, assembly board;381, first mounting plate;382, second mounting plate;4, hydraulic connection assembly;41, connecting ring;411, rotation groove;42, rotating drum;421, internal thread;422, rotating ring;43, connecting rod. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the utility model.

[0024] Embodiment one

[0025] Please refer to the accompanying Figure 1 - Figure 5 The utility model discloses a hydraulic power machinery convenient for positioning, including cylinder body 1, cylinder body 1 installs first oil pipe 11 with second oil pipe 12, and cylinder body 1 still installs piston rod 13, still includes positioning guide table 2, positioning fixed assembly 3 with hydraulic connection assembly 4, wherein:

[0026] The cylinder body 1 outside installs positioning sliding seat, and positioning guide table 2 is connected in sliding in sliding seat and cooperates with sliding seat;

[0027] The hydraulic connection assembly 4 includes the connecting ring 41 detachably installed on piston rod 13, and positioning guide table 2 is fixedly connected through connecting rod 43 with connecting ring 41.

[0028] The positioning fixed assembly 3 includes the lifting platform 34 of controllable telescopic, and the lifting platform 34 bottom is installed with the friction plate 341 for positioning brake positioning guide table 2.

[0029] Further, the positioning guide table 2 comprises a long strip-shaped sliding table 21, and an upper end surface of the positioning guide table 2 is a brake end surface 22 corresponding to and matched with the friction plate 341, and two symmetrical stop edges 23 are arranged on the upper end surface of the brake end surface 22, and the positioning sliding seat is provided with a T-shaped slot in sliding connection with the sliding table 21, and the sliding cross section is T-shaped.

[0030] When the positioning guide table 2 slides, the sliding table 21 on the positioning guide table 2 moves along the positioning sliding seat, and the piston rod 13 connected with and synchronous with the positioning guide table 2 also moves stably in a stable moving state of the positioning guide table 2.

[0031] Further, the positioning fixing assembly 3 further comprises an assembly plate 38 symmetrically arranged on the side end of the cylinder body 1, a second mounting plate 382 is arranged between the assembly plates 38, a small air cylinder 31 is arranged on the upper end of the second mounting plate 382, a pushing table 32 in sliding connection with the upper end of a lifting table 34 is fixed to the output end of the small air cylinder 31, and an inclined table 33 in active connection with and matched with the pushing table 32 is arranged on the upper end of the lifting table 34.

[0032] After the piston rod 13 stops, the small air cylinder 31 is started, the small air cylinder 31 drives the pushing table 32 to move towards the inclined table 33, the pushing table 32 presses down the inclined table 33 through the inclined surface of the inclined table 33 when passing through the inclined table 33, thereby driving the lifting table 34 to move downwards, the lifting table 34 drives the friction plate 341 to move downwards to contact and frictionally brake the brake end surface 22 on the upper end of the positioning guide table 2, thereby positioning and fixing the positioning guide table 2.

[0033] Further, a first mounting plate 381 is arranged between the assembly plates 38, a reset plate 36 is symmetrically arranged on the side end of the lifting table 34, a positioning column 35 extending through the reset plate 36 and extending above the reset plate 36 is arranged on the upper end of the first mounting plate 381, and a reset spring 37 is sleeved on the part of the outer wall of the positioning column 35 between the first mounting plate 381 and the reset plate 36.

[0034] When the piston rod 13 is separated from the positioning state, the small air cylinder 31 is closed, at this time, the reset spring 37 drives the lifting table 34 to move upwards for reset through the reset plate 36, and at the same time, the inclined table 33 on the lifting table 34 moves upwards for reset.

[0035] Embodiment Two

[0036] Based on the above-mentioned embodiment one, please refer to the attached drawings Figure 5The outer wall of the piston rod 13 extending out of the cylinder body 1 part is provided with an external thread 131, the connecting ring 41 is rotationally connected with a rotating barrel 42 in the inside, the inner wall of the rotating barrel 42 is provided with an internal thread 421, the external thread 131 is threadedly connected with the internal thread 421, the outer wall of the rotating barrel 42 is provided with a rotating ring 422, the inner wall of the connecting ring 41 is provided with an annular rotating groove 411, and the rotating groove 411 is rotationally connected with the rotating ring 422.

[0037] In the embodiment, the rotating rotating barrel 42 can be removed from the piston rod 13 through the external thread 131 and the internal thread 421, and the connecting ring 41 is removed from the cylinder body 1 together with the positioning guide table 2, the rotating ring 422 and the rotating groove 411 can rotate the rotating barrel 42 and apply an axial force to the connecting ring 41 to drive the connecting ring 41 to move, and when the positioning guide table 2 is damaged, the positioning guide table 2 can be conveniently disassembled and replaced.

[0038] The working principle and use process of the utility model are as follows: when the piston in the cylinder body 1 is driven to extend out by hydraulic oil, the piston rod 13 drives the positioning guide table 2 to synchronously extend out through the rotating barrel 42 and the connecting ring 41 and the transmission rod, when the positioning guide table 2 slides, the sliding table 21 on the positioning guide table 2 moves along the positioning sliding seat, under the condition that the positioning guide table 2 stably moves, the piston rod 13 connected with the positioning guide table 2 and synchronously moving also stably moves, thereby maintaining the stability of the piston rod 13 when moving, after the piston rod 13 stops, the small-sized cylinder 31 is started, the small-sized cylinder 31 drives the pushing table 32 to move towards the inclined table 33, when the pushing table 32 passes through the inclined table 33, the inclined table 33 is pressed down through the inclined surface of the inclined table 33, thereby driving the lifting table 34 to move downwards, the lifting table 34 drives the friction plate 341 to move downwards and contact the braking end surface 22 at the upper end of the positioning guide table 2 to perform friction braking, the positioning guide table 2 is positioned and fixed, at this time, the piston rod 13 connected with the positioning guide table 2 and synchronously moving is also positioned and fixed, when the piston rod 13 moves off due to the damage of the internal structure of the cylinder body 1 or the problem of the hydraulic oil, the piston rod 13 is not moved due to the positioning, and always maintains stability.

Claims

1. A hydraulic power machine for easy positioning, comprising a cylinder body (1) to which a first oil pipe (11) and a second oil pipe (12) are attached, and a piston rod (13) attached to the cylinder body (1), characterized in that Also include positioning guide (2), positioning fixed assembly (3) and hydraulic connection assembly (4), wherein: The outer side of the cylinder (1) is provided with a positioning sliding seat, and the positioning guide (2) is slidably connected in the sliding seat and cooperates with the sliding seat; The hydraulic connection assembly (4) comprises a connecting ring (41) detachably mounted on the piston rod (13), and the positioning guide (2) is fixedly connected with the connecting ring (41) through a connecting rod (43); The positioning fixed assembly (3) comprises a telescopic lifting platform (34), and the bottom of the lifting platform (34) is provided with a friction plate (341) for positioning and braking the positioning guide (2).

2. A hydraulic power machine for ease of positioning as claimed in claim 1 wherein: The positioning guide (2) comprises a long strip-shaped sliding platform (21), and the upper end surface of the positioning guide (2) is a braking end surface (22), which corresponds and cooperates with the friction plate (341), and the braking end surface (22) is provided with two symmetrical stop edges (23) on the upper end.

3. A hydraulic power machine for ease of positioning as claimed in claim 2 wherein: The positioning sliding seat is provided with a T-shaped groove slidably connected with the sliding platform (21), and the sliding cross section is T-shaped.

4. A hydraulic power machine for ease of positioning as claimed in claim 3 wherein: The positioning fixed assembly (3) further comprises an assembly plate (38) symmetrically mounted on the side end of the cylinder (1), a second mounting plate (382) is mounted between the assembly plates (38), a small air cylinder (31) is mounted on the upper end of the second mounting plate (382), a pushing platform (32) is fixedly connected to the upper end of the lifting platform (34) and output from the small air cylinder (31), and an inclined platform (33) is movably connected to and cooperates with the pushing platform (32) and is mounted on the upper end of the lifting platform (34).

5. A hydraulic power machine for ease of positioning as defined in claim 4, wherein: The first mounting plate (381) is mounted between the assembly plates (38), the reset plate (36) is symmetrically mounted on the side end of the lifting platform (34), the positioning column (35) is mounted on the upper end of the first mounting plate (381) and extends above the reset plate (36), and the reset spring (37) is sleeved on the part of the outer wall of the positioning column (35) between the first mounting plate (381) and the reset plate (36).

6. A hydraulic power machine for ease of positioning as defined in claim 1, wherein: The outer wall of the piston rod (13) extending out of the cylinder (1) is provided with an external thread (131), the connecting ring (41) is rotatably connected with a rotating barrel (42) inside, the inner wall of the rotating barrel (42) is provided with an internal thread (421), and the external thread (131) is threadedly connected with the internal thread (421).

7. A hydraulic power machine for ease of positioning as defined in claim 6, wherein: The outer wall of the rotating barrel (42) is provided with a rotating ring (422), the inner wall of the connecting ring (41) is provided with an annular rotating groove (411), and the rotating groove (411) is rotatably connected with the rotating ring (422).

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