CN212298125U - Portable hand hydraulic pipe-sealing device - Google Patents

Abstract

The utility model relates to the technical field of pipe sealing equipment, and discloses a portable manual hydraulic pipe sealing device, which comprises a rubber pressing plate seat and a hydraulic cylinder, wherein the rubber pressing plate seat is in threaded connection with a hydraulic piston in the hydraulic cylinder; the rubber pressing plate seat is hinged with a U-shaped beam through a cylindrical pin, and the hydraulic cylinder is provided with a hook for fixing the U-shaped beam; the portable manual hydraulic pipe sealing device provides enough hydraulic driving force by utilizing a lever principle and a hydraulic system amplifier principle, and pushes a hydraulic piston to drive a sealing rubber plate on the inner wall of a rubber pressing plate to realize plugging of a leakage point of a straight pipe to be sealed.

Description

Portable hand hydraulic pipe-sealing device

Technical Field

The utility model relates to a tube sealing equipment technical field, concretely relates to portable manual hydraulic pressure tube sealer.

Background

Along with the increasingly huge scale of the national internalization factory, a plurality of devices are provided, the number of dangerous tank bodies and pipelines such as hazardous chemical storage tanks is increased, the production line of an enterprise is enlarged, once the pipelines on the production line leak, the economic loss caused by shutdown is extremely huge, and the leaked hazardous chemical endangers the life safety of people, so that the key is to prevent leakage in time. How to prevent leakage without generating excessive economic loss is a problem which needs to be researched currently.

The existing plugging tools in the market are various in variety and have pertinence to different leakage points, wherein the modes for plugging the straight pipe comprise the following modes:

1) traditional hydraulic pipe sealers-seal damaged metal pipelines by squeezing them partially; its advantages are high efficiency, quick reaction and single-person operation; but also has the defects that the pipeline is easy to deform and damage and can not be repaired, the pipeline can only be replaced subsequently, the replacement pipeline project is huge, the operation is complex, the production stop repair is needed, the great economic loss is brought, and the like;

2) in the traditional sleeve leakage plugging tool, two steel plates are fixed at the leakage point of a straight pipe by screws, and the space between the steel plates and the straight pipe is filled with a rubber plate. The defect is that as long as the number of used screws is large, the screw screwing consumes the leaking stoppage time, and the plugging efficiency is low; the tension force provided by the screw is limited, and the screw is only suitable for plugging a low-pressure system below 1.0 MPa;

3) the multiple tools are combined for use, namely a manual pump is used for connecting a strainer, a steel wire rope is strained by the strainer to press a leak stopping pressing block at a leak point, and sealant is embedded below the leak stopping pressing block; the application is the widest, but the use tools and the consumables are too much, so that the later economic investment of a user is high; the operation needs the auxiliary cooperation of people, can not be operated by one person, and the like.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a portable manual hydraulic pressure tube sealing device, this portable manual hydraulic pressure tube sealing device utilize lever principle and hydraulic system amplifier principle, provide enough big hydraulic pressure driving force, promote the sealed offset plate that hydraulic piston drove the offset plate inner wall and realize treating the leak source of sealed straight tube and carry out the shutoff.

In order to achieve the above object, the present invention provides the following technical solutions:

the portable manual hydraulic pipe sealer comprises a rubber pressing plate seat and a hydraulic cylinder, wherein the rubber pressing plate seat is in threaded connection with a hydraulic piston in the hydraulic cylinder; the rubber pressing plate seat is hinged with a U-shaped beam through a cylindrical pin, and the hydraulic cylinder is provided with a hook used for fixing the U-shaped beam.

Preferably, the groove enclosed by the U-shaped beam and the rubber pressing plate seat is internally provided with a rubber pressing plate, and the inner wall of each rubber pressing plate is adhered with a sealing rubber plate.

Preferably, the hydraulic cylinder is in threaded connection with a hydraulic oil tank, and the hydraulic oil tank is in threaded connection with a lower handle.

Preferably, the hydraulic cylinder is hinged with an upper handle through a handle support.

Preferably, the hydraulic cylinder and the upper handle are provided with plungers, and the plungers are movably connected with the upper handle.

Preferably, the hydraulic cylinder is provided with a pressure switch.

The portable manual hydraulic pipe sealing device provides enough hydraulic driving force by utilizing a lever principle and a hydraulic system amplifier principle; when the pressure switch is in a pressure-building state, the upper handle is repeatedly lifted and pressed to drive the plunger to provide thrust for the hydraulic piston in the hydraulic cylinder, the hydraulic piston drives the rubber pressing plate seat to axially displace, the straight pipe to be sealed is arranged between the two rubber pressing plates which are opened, one end of the U-shaped beam is hinged with the rubber pressing plate seat, the other end of the U-shaped beam is fixed on the outer wall of the cylinder barrel of the hydraulic cylinder by the hook, and when the hydraulic piston pushes the rubber pressing plate seat to axially displace towards the U-shaped beam, the rubber sealing plates on the inner walls of the two rubber pressing plates seal leaking points.

Compared with the prior art, the beneficial effects of the utility model are that:

the manual hydraulic pipe sealing device of the utility model solves the problem of reducing economic loss by plugging without damaging the pipeline, and has higher plugging efficiency; meanwhile, the plugging application pressure range is large, the operation is simple, and the plugging device can be operated by one person.

Drawings

FIG. 1 is a schematic structural diagram of a portable manual hydraulic pipe-sealing machine in a state that a working head is closed;

FIG. 2 is a schematic structural diagram of a portable manual hydraulic pipe sealer with an open working head;

FIG. 3 is a schematic structural diagram of a portable manual hydraulic pipe sealer in a straight pipe state ready for plugging leakage;

FIG. 4 is a schematic structural diagram of a portable manual hydraulic pipe sealing device in a straight pipe state for completing the sealing of leakage.

In the drawings: 1. a U-shaped beam; 2. pressing a rubber plate; 3. pressing a rubber plate seat; 4. a handle support; 5. an upper handle; 6. a lower handle; 7. a hydraulic oil tank; 8. a plunger; 9. a pressure switch; 10. a hydraulic cylinder; 11. hooking; 12. sealing the rubber plate; 13. a straight pipe to be sealed; 14. and (4) missing points.

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 to 4, a preferred embodiment of the present invention provides a portable manual hydraulic tube sealing device, which provides a large enough hydraulic driving force by using the lever principle and the hydraulic system amplifier principle; the plugging is implemented under the condition of not damaging the pipeline, the consumption of consumables is less, and the later economic investment of a user is reduced.

Specifically, the portable manual hydraulic pipe sealer comprises a rubber pressing plate seat 3 and a hydraulic cylinder 10, wherein the rubber pressing plate seat 3 is in threaded connection with a hydraulic piston in the hydraulic cylinder 10; the rubber pressing plate seat 3 is hinged with a U-shaped beam 1 through a cylindrical pin, the hydraulic cylinder 10 is provided with a hook 11 for fixing the U-shaped beam 1, and the hook 11 is opened to separate one end of the U-shaped beam 1 from the rubber pressing plate seat 3; the fixing mode is simple, the U-shaped beam 1 and the rubber pressing plate seat 3 are enclosed together to form a groove, and the straight pipe 13 to be sealed is placed between the U-shaped beam 1 and the rubber pressing plate seat 3.

Furthermore, a rubber pressing plate 2 is arranged in a groove enclosed by the U-shaped beam 1 and the rubber pressing plate seat 3, and a sealing rubber plate 12 is adhered to the inner wall of each rubber pressing plate 2; when the straight pipes 13 with different pipe diameters are plugged in actual work, the straight pipes 13 to be sealed need to be measured in advance, and the rubber pressing plates 2 with corresponding sizes are selected.

In this embodiment, hydraulic cylinder 10 threaded connection has hydraulic tank 7, hydraulic tank 7 threaded connection has lower handle 6, just it has upper handle 5 to articulate through handle support 4 on the hydraulic cylinder 10, hydraulic cylinder 10 with upper handle 5 is equipped with plunger 8, plunger 8 and upper handle 5 swing joint.

A worker grasps the upper handle 5 and the lower handle 6 simultaneously with one hand, presses the upper handle 5 to drive the plunger 8 to provide thrust for a hydraulic piston in the hydraulic cylinder 10, and the hydraulic piston drives the rubber pressing plate 3 seat to displace along the axial direction; when the hydraulic piston pushes the rubber pressing plate seat 3 to axially displace towards the U-shaped beam 1, the sealing rubber plates 12 on the inner walls of the two rubber pressing plates 2 seal the leakage points 14, and the sealing is implemented without damaging the pipeline, so that the leakage stopping efficiency is high; meanwhile, the plugging application pressure range is large, the operation is simple, and the plugging device can be operated by one person.

In the present embodiment, the hydraulic cylinder 10 is provided with a pressure switch 9, and the pressure switch 9 can control the pressure state in the hydraulic cylinder 10.

The working principle is as follows:

1) measuring a straight pipe 13 to be sealed, and selecting a rubber pressing plate 2 with a corresponding size;

2) opening the pressure switch 9 to enable the hydraulic cylinder 10 to be in a pressure relief state, and ensuring that the rubber pressing plate seat 3 is in an initial retraction state;

3) opening the hook 11, and separating one end of the U-shaped beam 1 from the rubber plate pressing seat 3;

4) two rubber pressing plates 2 are magnetically attracted in grooves of the U-shaped beam 1 and the rubber pressing plate seat 3 respectively;

5) placing the straight pipe 13 to be sealed between the two opened rubber pressing plates 2;

6) rotating the U-shaped beam 1, and locking the U-shaped beam 1 by using a hook 11;

7) closing the pressure switch 9 to enable the hydraulic cylinder 10 to be in a pressure-building state;

8) repeatedly lifting and pressing the upper handle 5 to drive the plunger 8 to reciprocate, so that the plunger 8 provides thrust for a hydraulic piston in the hydraulic cylinder 10, the system starts to build pressure, and the hydraulic piston drives the rubber pressing plate 3 seat to axially displace;

9) the leak points 14 are sealed by the sealing rubber plates 12 on the inner walls of the two rubber pressing plates 2;

10) and (5) stopping plugging, keeping the pressure switch 9 in a closed state, and not releasing pressure.

The portable manual hydraulic pipe sealer provides a large enough hydraulic driving force by utilizing a lever principle and a hydraulic system amplifier principle, and pushes a hydraulic piston to drive a sealing rubber plate 12 on the inner wall of a rubber pressing plate 2 to realize plugging of a leakage point 14 of a straight pipe 13 to be sealed; the plugging device solves the problems that plugging is carried out under the condition of not damaging pipelines, so that economic loss is reduced, and the plugging efficiency is low, and the problems that hazardous chemicals leak for a long time and have adverse effects on life safety of people, property of people and the surrounding environment are solved.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (6)

1. The portable manual hydraulic pipe sealer is characterized by comprising a rubber pressing plate seat (3) and a hydraulic cylinder (10), wherein the rubber pressing plate seat (3) is in threaded connection with a hydraulic piston in the hydraulic cylinder (10); the rubber pressing plate seat (3) is hinged with a U-shaped beam (1) through a cylindrical pin, and the hydraulic cylinder (10) is provided with a hook (11) used for fixing the U-shaped beam (1).

2. The portable manual hydraulic pipe sealer according to claim 1, wherein the U-shaped beam (1) and the rubber press plate seat (3) enclose a groove in which the rubber press plates (2) are arranged, and the inner wall of each rubber press plate (2) is adhered with a sealing rubber plate (12).

3. The portable manual hydraulic pipe sealer according to claim 1, wherein the hydraulic cylinder (10) is threadedly connected with a hydraulic oil tank (7), and the hydraulic oil tank (7) is threadedly connected with a lower handle (6).

4. The portable manual hydraulic pipe sealer according to claim 1, wherein the hydraulic cylinder (10) is hinged with an upper handle (5) through a handle support (4).

5. The portable manual hydraulic pipe sealer according to claim 4, wherein the hydraulic cylinder (10) and the upper handle (5) are provided with a plunger (8), and the plunger (8) is movably connected with the upper handle (5).

6. The portable manual hydraulic pipe sealer according to claim 1, wherein the hydraulic cylinder (10) is provided with a pressure switch (9).

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