CN212844751U

CN212844751U - Hydraulic pressure test device for large-diameter pipeline

Info

Publication number: CN212844751U
Application number: CN202022275670.8U
Authority: CN
Inventors: 王成锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-03-30
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a large-diameter pipeline hydrostatic test device, which comprises a connecting box and an upper cover, wherein the upper cover is arranged at the upper end of the connecting box, a fixed cylinder is arranged on the outer wall of the upper end of the upper cover, a connecting cylinder is arranged on the outer wall of the upper end of the upper cover on the right side of the fixed cylinder, a pressure gauge is arranged on the outer wall of the upper end of the fixed cylinder, a pressure relief valve is arranged on the outer wall of the front end of the fixed cylinder, and by designing the novel large-diameter pipeline hydrostatic test device, when the pipeline hydraulic pressure is measured by pressurizing the inside of the pipeline in use, the connecting rod can be pulled to move up and down in multiple modes, the waist stretching connecting rod is not needed to be bent all the time, the damage to the waist of a user is greatly reduced, the handle stretching connecting rod can be held by rotating the pull rod to a vertical position, so, the connecting rod is not required to be held by bending down or the pedal is not required to be stepped on to drive the connecting rod to inject pressure into the connecting pipe.

Description

Hydraulic pressure test device for large-diameter pipeline

Technical Field

The utility model belongs to the technical field of the pressure testing pump is relevant, concretely relates to big pipe diameter pipeline hydrostatic test device.

Background

The pressure test pump is a detection device which is specially used for various pressure containers, pipelines, valves, boilers, steel cylinders, fire-fighting equipment and the like to perform hydraulic tests and obtain high-pressure liquid in laboratories, a test electric pump (electric pressure test pump) is used for filling or testing various water, antifreeze and oil systems, and the electric pressure test pump is a Saturn-matched glycerol pressure gauge, so that reliable guarantee is provided from vibration, and the pressure test pump is small in size and light in weight.

The prior large-diameter pipeline hydrostatic test device has the following problems: pipeline hydrostatic test device adopts manual mode test more, but inside manual device need press the connecting rod with the hand and extrude the pipeline with pressure, nevertheless need bend the waist and make a round trip to extrude the connecting rod hard like this when manual pressing, and work gets up great to user's waist damage like this, and it is not convenient enough to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big pipe diameter pipeline hydrostatic test device to the manual pipeline hydrostatic test device who proposes in solving above-mentioned background art needs the user to bow tensile connecting rod and use the great inconvenient problem inadequately of waist pressure.

In order to achieve the above object, the utility model provides a following technical scheme: a large-diameter pipeline hydrostatic test device comprises a connecting box and an upper cover, wherein the upper cover is installed at the upper end of the connecting box, a fixed cylinder is arranged on the outer wall of the upper end of the upper cover, a connecting cylinder is arranged on the outer wall of the upper end of the upper cover on the right side of the fixed cylinder, a pressure gauge is arranged on the outer wall of the upper end of the fixed cylinder, a pressure relief valve is arranged on the outer wall of the front end of the fixed cylinder, a connecting pipe is connected onto the outer wall of the left end of the fixed cylinder, a rotating frame is arranged on the outer wall of the upper end of the connecting cylinder, a connecting rod is connected onto the outer wall of the front end of the rotating frame, a friction sleeve is sleeved on the outer part of the front end of the connecting rod, a fixed rod is connected onto the outer wall of the right end of the friction sleeve, a connecting sleeve is sleeved on the outer part of, the handle is connected to the outer wall of the rear end of the pull rod, a transmission rod extending downwards is arranged on the outer wall of the lower end of the connecting sleeve, a sliding groove is formed in the outer wall of the right end of the connecting box, a bottom plate is arranged on the outer wall of the lower side of the right end of the sliding groove, a pedal is sleeved inside the right end of the sliding groove on the upper side of the bottom plate, the outer wall of the right end of the pedal is arranged on the right side of the sliding groove, the outer wall of the lower end of the transmission rod is fixedly connected with the outer wall of the upper end of the pedal, a connecting spring is arranged on the outer.

Preferably, four corners of the handle are all in a chamfer arc shape.

Preferably, the elastic force of the connecting spring is greater than the friction force of the rotating frame, and the connecting spring is fixedly connected with the outer wall of the upper end of the bottom plate in a welding mode.

Preferably, a transmission pipe is arranged on the outer wall of the right end of the fixed cylinder, and the outer wall of the right end of the transmission pipe is fixedly connected with the outer wall of the left end of the connecting cylinder.

Preferably, the inner wall of the rotating sleeve and the outer wall of the fixing rod can be completely attached, and the rotating sleeve can rotate at three hundred and sixty degrees outside the fixing rod.

Preferably, a sliding block is arranged on the outer wall of the left end of the pedal, the sliding block is sleeved inside the right end of the sliding groove, and the pedal moves up and down at the right end of the sliding groove through the sliding block.

Compared with the prior art, the utility model provides a large-diameter pipeline hydrostatic test device possesses following beneficial effect:

the utility model discloses a design a novel big pipe diameter pipeline hydrostatic test device, when using to the pipeline inside pressurization measurement pipeline water pressure, can stimulate the connecting rod with multiple mode and reciprocate to the inside injection pressure of connecting pipe, need not bend the tensile connecting rod of waist all the time, the injury to user's waist is greatly reduced, can be through rotating the pull rod to vertical position and holding handle tensile connecting rod to the inside injection pressure of connecting pipe, so correspond to the height that improves the connecting rod, need not bend the waist to hold the connecting rod, or through stepping on the footboard and drive the connecting rod to the inside injection pressure of connecting pipe, so can be used to the connecting pipe injection pressure detection of multiple manual mode, when using, can rotate the pull rod to the vertical direction of dead lever upper end through the swivel sleeve, and hold the handle and drive the connecting rod and reciprocate to the inside injection pressure of connecting pipe, or directly step on the footboard and pass through the transfer line and drive the connecting rod and move down to elasticity through coupling spring makes the connecting rod reset, can repeatedly step on the footboard and drive the connecting rod and last the inside injection pressure to the connecting rod, the pressure registration can be through observing the manometer and deriving, makes to become more convenient to pipeline hydrostatic test through this novel big pipe diameter pipeline hydrostatic test device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a three-dimensional structure of a large-diameter pipeline hydrostatic test device provided by the utility model;

fig. 2 is a schematic front structural view of a large-diameter pipeline hydrostatic test device provided by the utility model;

fig. 3 is a schematic side view of a hydraulic test device for a large-diameter pipeline according to the present invention;

fig. 4 is an enlarged schematic view of the internal structure a in fig. 2 according to the present invention.

In the figure: 1. a connecting box; 2. a connecting pipe; 3. a fixed cylinder; 4. an upper cover; 5. a pressure relief valve; 6. a pressure gauge; 7. a connecting cylinder; 8. a rotating frame; 9. a grip; 10. a connecting rod; 11. a pull rod; 12. fixing the rod; 13. connecting sleeves; 14. rotating the sleeve; 15. a friction sleeve; 16. a transmission rod; 17. a chute; 18. a pedal; 19. a connecting spring; 20. a base plate.

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 large-diameter pipeline hydrostatic test device comprises a connecting box 1 and an upper cover 4, wherein the upper cover 4 is installed at the upper end of the connecting box 1, a fixed cylinder 3 is arranged on the outer wall of the upper end of the upper cover 4 on the right side of the fixed cylinder 3, a connecting cylinder 7 is arranged on the outer wall of the upper end of the upper cover 4 on the right side of the fixed cylinder 3, a pressure gauge 6 is arranged on the outer wall of the upper end of the fixed cylinder 3, a pressure relief valve 5 is arranged on the outer wall of the front end of the fixed cylinder 3, a connecting pipe 2 is connected on the outer wall of the left end of the fixed cylinder 3, a transmission pipe is arranged on the outer wall of the right end of the fixed cylinder 3, the outer wall of the right end of the transmission pipe is fixedly connected with the outer wall of the left end of the connecting cylinder 7, the pressure of the connecting cylinder 7 is transmitted to the fixed cylinder 3 through the transmission pipe and then transmitted to the connecting pipe 2, a rotating frame 8 is arranged on the, the connecting sleeve 13 is sleeved outside the right end of the fixed rod 12, the rotating sleeve 14 is sleeved outside the fixed rod 12 on the left side of the connecting sleeve 13, the pull rod 11 extending backwards is arranged on the outer wall of the rear end of the rotating sleeve 14, the handle 9 is connected to the outer wall of the rear end of the pull rod 11, four corners of the handle 9 are all in a chamfer shape, the handle 9 is smooth when being held, and the use is more convenient.

A large-diameter pipeline hydrostatic test device, the inner wall of a rotary sleeve 14 and the outer wall of a fixed rod 12 can be completely attached, the rotary sleeve 14 can rotate three hundred sixty degrees outside the fixed rod 12, a pull rod 11 is rotated to the vertical rotating state of the upper end of the fixed rod 12 through the rotary sleeve 14, so that a handle 9 can be conveniently held to stretch a connecting rod 10 for use, a downwardly extending transmission rod 16 is arranged on the outer wall of the lower end of a connecting sleeve 13, a sliding groove 17 is arranged on the outer wall of the right end of a connecting box 1, a bottom plate 20 is arranged on the outer wall of the lower side of the right end of the sliding groove 17, a pedal 18 is sleeved inside the right end of the sliding groove 17 on the upper side of the bottom plate 20, the outer wall of the right end of the pedal 18 is arranged on the right side of the sliding groove 17, a sliding block is arranged on the outer wall of the left end of the pedal 18, the sliding block is, the outer wall of the lower end of the transmission rod 16 is fixedly connected with the outer wall of the upper end of the pedal 18, the outer wall of the lower end of the pedal 18 is provided with a connecting spring 19, the outer wall of the lower end of the connecting spring 19 is fixedly connected with the outer wall of the upper end of the bottom plate 20, the elastic force of the connecting spring 19 is larger than the friction force of the rotating frame 8, the outer wall of the upper end of the connecting spring 19 is fixedly connected with the outer wall of the upper end of the bottom plate 20 in a welding mode, and therefore the elastic force of the connecting spring 19 cannot be too.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the working principle plunger of the hydraulic test device for large-diameter pipelines is lifted up through the handle, vacuum is generated in the pump body, the water inlet valve opens clear water and enters the pump body through the water inlet filter screen and the water inlet pipe, the water inlet valve is closed when the handle applies force and is pushed down, the water outlet valve is pushed open, pressure water is output and enters the tested connecting pipe 2, the reciprocating operation is carried out in such a way to realize the test of rated pressure, when in use, the connecting pipe 2 to be detected is connected to the left end of the fixed cylinder 3 and is sealed and blocked, the pull rod 11 can be rotated to the vertical direction of the upper end of the fixed rod 12 through the rotating sleeve 14, and the handle 9 is held to drive the connecting rod 10 to move up and down to inject pressure into the connecting pipe 2, or the pedal 18 is directly stepped on to drive the connecting rod 10 to move down through the transmission rod 16, and the connecting rod 10 is reset through the, pressure indications may be obtained by observing the pressure gauge 6.

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 large-diameter pipeline hydrostatic test device, includes connecting box (1) and upper cover (4), its characterized in that: an upper cover (4) is installed at the upper end of the connecting box (1), a fixed cylinder (3) is arranged on the outer wall of the upper end of the upper cover (4), a connecting cylinder (7) is arranged on the outer wall of the upper end of the upper cover (4) on the right side of the fixed cylinder (3), a pressure gauge (6) is arranged on the outer wall of the upper end of the fixed cylinder (3), a pressure release valve (5) is arranged on the outer wall of the front end of the fixed cylinder (3), a connecting pipe (2) is connected onto the outer wall of the left end of the fixed cylinder (3), a rotating frame (8) is arranged on the outer wall of the upper end of the connecting cylinder (7), a connecting rod (10) is connected onto the outer wall of the front end of the rotating frame (8), a friction sleeve (15) is sleeved outside the front end of the connecting rod (10), a fixing rod (12) is connected onto the outer wall of the right, a rotating sleeve (14) is sleeved outside a fixed rod (12) on the left side of the connecting sleeve (13), a pull rod (11) extending backwards is arranged on the outer wall of the rear end of the rotating sleeve (14), a handle (9) is connected onto the outer wall of the rear end of the pull rod (11), a transmission rod (16) extending downwards is arranged on the outer wall of the lower end of the connecting sleeve (13), a sliding groove (17) is arranged on the outer wall of the right end of the connecting box (1), a bottom plate (20) is arranged on the outer wall of the lower side of the right end of the sliding groove (17), a pedal (18) is sleeved inside the right end of the sliding groove (17) on the upper side of the bottom plate (20), the outer wall of the right end of the pedal (18) is arranged on the right side of the sliding groove (17), the outer wall of the lower end of the transmission rod (16) is fixedly connected with the outer wall, the outer wall of the lower end of the connecting spring (19) is fixedly connected with the outer wall of the upper end of the bottom plate (20).

2. The large-diameter pipeline hydrostatic test device of claim 1, wherein: four corners of the handle (9) are all in a chamfer arc shape.

3. The large-diameter pipeline hydrostatic test device of claim 1, wherein: the elasticity of the connecting spring (19) is greater than the friction force of the rotating frame (8), and the connecting spring (19) is fixedly connected with the outer wall of the upper end of the bottom plate (20) in a welding mode.

4. The large-diameter pipeline hydrostatic test device of claim 1, wherein: and a transmission pipe is arranged on the outer wall of the right end of the fixed cylinder (3), and the outer wall of the right end of the transmission pipe is fixedly connected with the outer wall of the left end of the connecting cylinder (7).

5. The large-diameter pipeline hydrostatic test device of claim 1, wherein: the inner wall of the rotating sleeve (14) and the outer wall of the fixing rod (12) can be completely attached, and the rotating sleeve (14) can rotate at three hundred and sixty degrees outside the fixing rod (12).

6. The large-diameter pipeline hydrostatic test device of claim 1, wherein: the slide block is arranged on the outer wall of the left end of the pedal (18), the slide block is sleeved inside the right end of the sliding groove (17), and the pedal (18) moves up and down at the right end of the sliding groove (17) through the slide block.