CN218847530U - Dynamic rotation testing device for rotary joint - Google Patents

Abstract

The utility model discloses a rotary joint developments rotation testing arrangement, rotary joint includes first rotating part and second rotating part, first rotating part and second rotating part all are equipped with the interface, and this testing arrangement includes: the upper surface of the base station is provided with a connecting hole for connecting an interface of a first rotating part of a rotating joint, the base station is also provided with a connecting pipe for connecting air pressure equipment, and a ventilation flow passage for communicating the connecting hole and the connecting pipe is formed inside the base station; the rotating mechanism comprises a bracket, a fixed block and a driver, wherein the fixed block is rotatably arranged on the bracket, and the driver is used for driving the fixed block to rotate around a vertical axis; the fixed block and the second rotating part form circumferential fixed connection; the fixed block drives the second rotating part to rotate relative to the first rotating part. The air tightness test of the rotary joint is convenient to carry out under the dynamic working condition.

Description

Dynamic rotation testing device for rotary joint

Technical Field

The utility model relates to a rotary joint capability test technical field especially relates to a rotary joint developments rotation testing arrangement.

Background

The rotary joint is used as a sealing device for connection, which is used for inputting liquid into a rotary or reciprocating device from the pipeline side and discharging the liquid from the rotary or reciprocating device. In the production of rotary joints, the performance of the rotary joints needs to be tested, and most of the current testing devices are only used for testing the tightness of the rotary joints in static connection, so that the rotary joints are inconvenient to test the tightness in dynamic rotation under high pressure.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a rotary joint developments rotation testing arrangement can solve current testing arrangement to a certain extent at least and be difficult to carry out the dynamic seal nature test to rotary joint.

The technical scheme of the utility model is realized like this:

a rotary joint dynamic rotation testing device, the rotary joint including a first rotary part and a second rotary part, both provided with an interface, the testing device comprising:

the upper surface of the base station is provided with a connecting hole for connecting an interface of a first rotating part of a rotating joint, the base station is also provided with a connecting pipe for connecting air pressure equipment, and a ventilation flow channel for communicating the connecting hole and the connecting pipe is formed inside the base station;

the rotating mechanism comprises a bracket, a fixed block and a driver, wherein the fixed block is rotatably arranged on the bracket, and the driver is used for driving the fixed block to rotate around a vertical axis; the fixed block and the second rotating part form circumferential fixed connection; the second rotating part is driven to rotate relative to the first rotating part through the fixing block.

As a further alternative of the dynamic rotation testing device for the rotary joint, the support comprises a vertical plate, and the fixing block is arranged on the side surface of the vertical plate; be equipped with the length direction on the base station along the vertical bar hole that sets up, pass through the bolt the bar hole will the base station is fixed on the side of riser.

As a further alternative of the dynamic rotation testing device for the rotary joint, a limiting groove is concavely arranged at the bottom of the fixing block, and the second rotating part of the rotary joint is clamped in the limiting groove.

As a further alternative of the dynamic rotation testing device for the rotary joint, the dynamic rotation testing device further comprises a material box, wherein the material box is made of transparent materials, and water is filled in the material box; the base platform and the rotary joint are soaked in water in the material box.

As a further alternative of the dynamic rotation testing device for the rotary joint, the bracket further comprises a mounting plate arranged on the top of the vertical plate, the driver is a motor, and the motor is arranged on the mounting plate; a bearing seat is arranged on the vertical plate, a vertical rotating shaft which can be rotatably arranged is arranged on the bearing seat, and the fixed block is arranged at the bottom end of the vertical rotating shaft; the motor drives the vertical rotating shaft to rotate through the transmission chain.

As a further alternative of the dynamic rotation testing device for the rotary joint, a lifting mechanism is arranged at the bottom of the material box to realize the lifting of the material box.

As a further alternative of the dynamic rotation testing device for the rotary joint, the lifting mechanism is a scissor-type manual lifting table.

The beneficial effects of the utility model are that: the testing device is connected with external air pressure equipment through a connecting pipe on the base station and can introduce air pressure into the rotary joint; the rotating mechanism can realize the relative rotation of the first rotating part and the second rotating part of the rotating joint; the air tightness test of the rotary joint is convenient under the dynamic working condition; therefore, the sealing performance of the rotary joint under different air pressures can be tested conveniently, and the rotary fatigue strength life of the rotary joint under different air pressures can also be tested.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a dynamic rotation testing device for a rotary joint according to the present invention;

FIG. 2 is a schematic view of the interior of the abutment;

FIG. 3 is an exploded view of the base and riser;

FIG. 4 is a side view of the magazine as it is raised and lowered;

fig. 5 is a schematic structural view of the material box during lifting.

In the figure: 100. a rotary joint; 110. a first rotating portion; 120. a second rotating portion; 200. a plug;

1. a base station; 11. connecting holes; 12. a connecting pipe; 13. a ventilation flow passage; 14. a strip-shaped hole; 2. a rotation mechanism; 21. a support; 211. a vertical plate; 212. mounting a plate; 213. a bearing seat; 22. a fixed block; 221. a limiting groove; 23. a motor; 231. a drive chain; 24. a vertical rotating shaft; 3. a magazine; 4. a lifting mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described below clearly and completely, and it should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. 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 particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, a dynamic rotation testing device for a rotary joint is shown, wherein the rotary joint 100 comprises a first rotating part 110 and a second rotating part 120, the first rotating part 110 and the second rotating part 120 are both provided with interfaces, the testing device comprises a base platform 1 and a rotating mechanism 2, the rotary joint 100 is placed between the base platform 1 and the rotating mechanism 2, the upper surface of the base platform 1 is provided with a connecting hole 11 for connecting the interface of the first rotating part 110 of the rotary joint 100, the base platform 1 is further provided with a connecting pipe 12 for connecting a pneumatic device, and a ventilation flow channel 13 for communicating the connecting hole 11 and the connecting pipe 12 is formed inside the base platform 1; the rotating mechanism 2 comprises a bracket 21, a fixed block 22 which is rotatably arranged on the bracket 21, and a driver which is used for driving the fixed block 22 to rotate around a vertical axis; the fixed block 22 and the second rotating part 120 form a circumferential fixed connection; the second rotating portion 120 is rotated relative to the first rotating portion 110 by the fixing block 22.

Specifically, referring to fig. 3, the interface on the first rotating part 110 is butted with the connecting hole 11 on the base platform 1, and the interface on the second rotating part 120 is blocked by a plug 200; the connecting pipe 12 is connected with an external air pressure device, and air pressure is introduced into the rotary joint 100 through the air pressure device, so that the interior of the rotary joint 100 is kept in a high-pressure state; and then the fixing block 22 on the rotating mechanism 2 is utilized to drive the second rotating part 120 of the rotating joint 100 to rotate, so that the sealing condition of the rotating joint 100 under the dynamic working condition is tested.

In the above embodiment, in order to facilitate taking and placing the rotary joint 100, referring to fig. 2 and 3, the bracket 21 includes a vertical plate 211, and the fixing block 22 is disposed on a side surface of the vertical plate 211; be equipped with length direction along the vertical bar hole 14 that sets up on the base station 1, pass through bolt (not marked in the figure) bar hole 14 will base station 1 is fixed on the side of riser 211. In this way, when the rotary joint 100 needs to be taken and placed, the bolt is loosened, so that the base 1 can move up and down, and the rotary joint 100 is loosened; when the rotary joint 100 needs to be fixed, after the first rotary part 110 and the connecting hole 11 are butted, the base platform 1 is lifted upwards until the base platform 1 and the fixing block 22 clamp the rotary joint 100, and finally screws are screwed to fix the base platform 1 on the vertical plate 211.

In the above embodiment, in order to facilitate the fixed block 22 to drive the second rotating portion 120 to rotate, referring to fig. 2 and 3, a limiting groove 221 is concavely disposed at the bottom of the fixed block 22, and the second rotating portion 120 of the rotary joint 100 is clamped in the limiting groove 221. In this way, the fixing block 22 and the second rotating portion 120 are relatively fixed in the circumferential direction by the stopper groove 221.

In some specific embodiments, in order to facilitate observation of the sealing condition of the rotary joint 100 under the dynamic working condition, the rotary joint further comprises a material box 3, wherein the material box 3 is made of a transparent material, and water is filled in the material box 3; the base 1 and the rotary joint 100 are immersed in water in the magazine 3. In this way, the bubbles inside the cartridge 3 can be observed through the cartridge; in this embodiment, the material box 3 is made of explosion-proof glass to meet the requirement of safety protection.

In the above embodiment, referring to fig. 1 to 4, the bracket 21 further includes a mounting plate 212 disposed on the top of the vertical plate 211, the driver is a motor 23, and the motor 23 is disposed on the mounting plate 212; a bearing seat 213 is arranged on the vertical plate 211, a vertical rotating shaft 24 which can be rotatably arranged is arranged on the bearing seat 213, and the fixed block 22 is arranged at the bottom end of the vertical rotating shaft 24; the motor 23 drives the vertical rotating shaft 24 to rotate through a transmission chain 231.

Preferably, in the case of a magazine 3, in order to facilitate the access of the rotary joint 100, referring to fig. 4 and 5, a lifting mechanism 4 is provided at the bottom of the magazine 3 to lift the magazine 3. In this embodiment, the lifting mechanism 4 is a scissor-type manual lifting platform. Thus, the lifting mechanism 4 drives the material box 3 to lift, when the rotary joint 100 needs to be assembled and disassembled, the material box 3 can be driven to descend, and the base table 1 is separated from the material box 3; after the assembly and disassembly of the rotary joint 100 are completed, the material box 3 can be driven to ascend, so that the rotary joint 100 is soaked in the material box 3, and the detection is convenient to start.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A rotary joint dynamic rotation testing device, the rotary joint comprising a first rotary part and a second rotary part, the first rotary part and the second rotary part each being provided with an interface, the testing device comprising:

the upper surface of the base station is provided with a connecting hole for connecting an interface of a first rotating part of a rotating joint, the base station is also provided with a connecting pipe for connecting air pressure equipment, and a ventilation flow channel for communicating the connecting hole and the connecting pipe is formed inside the base station;

the rotating mechanism comprises a bracket, a fixed block and a driver, wherein the fixed block is rotatably arranged on the bracket, and the driver is used for driving the fixed block to rotate around a vertical axis; the fixed block and the second rotating part form circumferential fixed connection; the fixed block drives the second rotating part to rotate relative to the first rotating part.

2. The rotary joint dynamic rotation testing device of claim 1, wherein the bracket comprises a vertical plate, and the fixing block is disposed on a side surface of the vertical plate; be equipped with the length direction on the base station along the bar hole of vertical setting, pass through the bolt the bar hole will the base station is fixed on the side of riser.

3. The rotary joint dynamic rotation testing device of claim 2, wherein a limiting groove is concavely formed at the bottom of the fixing block, and the second rotating part of the rotary joint is clamped in the limiting groove.

4. The dynamic rotation testing device of the rotating joint according to claim 2 or 3, further comprising a material box, wherein the material box is made of transparent material and is filled with water; the base platform and the rotary joint are soaked in water in the material box.

5. The rotary joint dynamic rotation testing device of claim 4, wherein the bracket further comprises a mounting plate disposed on top of the riser, the drive being a motor disposed on the mounting plate; a bearing seat is arranged on the vertical plate, a vertical rotating shaft capable of being rotatably arranged is arranged on the bearing seat, and the fixing block is arranged at the bottom end of the vertical rotating shaft; the motor drives the vertical rotating shaft to rotate through the transmission chain.

6. The dynamic rotation testing device of a rotary joint according to claim 4, wherein a lifting mechanism is arranged at the bottom of the magazine to realize the lifting of the magazine.

7. The rotary joint dynamic rotation testing device of claim 6, wherein the lifting mechanism is a scissor-type manual lifting table.

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