CN205298906U - Rotary joint - Google Patents
Rotary joint Download PDFInfo
- Publication number
- CN205298906U CN205298906U CN201520754743.8U CN201520754743U CN205298906U CN 205298906 U CN205298906 U CN 205298906U CN 201520754743 U CN201520754743 U CN 201520754743U CN 205298906 U CN205298906 U CN 205298906U
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- trocar sheath
- inner sleeve
- assembly
- swivel joint
- water
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Abstract
The utility model discloses a rotary joint relates to the engine technology field. Rotary joint contains outer tube subassembly, interior thimble assembly and fixed stay arm, wherein, including outer tube subassembly cover is established on the thimble assembly, and forms the confined cavity between outer tube subassembly and interior thimble assembly, and testing equipment is gone into from the endotheca duct flow to the cooling water, flow into the confined cavity of formation between outer tube subassembly and the interior thimble assembly from testing equipment again in, then inflow water storage equipment. Wherein, the outer tube subassembly contains first outer tube and second outer tube, and first outer tube can rotate with the second outer tube relatively, interior thimble assembly contains first interior sleeve pipe and the interior sleeve pipe of second, and the sleeve pipe can rotate with the interior sleeve pipe of second relatively in first. The utility model has the advantages of: in the process of the test, the equipment of intaking is connected to rotary joint one end, and testing equipment is connected to the other end, can rotate along with testing equipment with the one end that testing equipment is connected, simultaneously, the end rigid of intaking.
Description
Technical field
This utility model relates to technical field of engines, particularly relates to a kind of swivel joint.
Background technology
When carrying out engine chamber test, it is necessary to adopt thermocouple that combustor exit temperature field is measured. Thermocouple rake is arranged on the balance of combustor exit measuring section, in order to the loopful of combustor exit temperature field is measured, it is necessary to balance rotates and then drives thermocouple rake to rotate, thus realizing the whole circumference of combustor exit is measured. Owing to balance is positioned at combustor exit, in whole measurement process, balance is washed away by high enthalpy combustion gas, combustion gas stagnation temperature is higher than 1500K, remote Meta Materials hold temperature the limit, therefore must adopt a large amount of cooling water guarantee will not there is thermal deformation or even burn in it because temperature is too high, thus ensureing the degree of accuracy of temperature field measurement and improving the service life of balance. In order to meet the needs of the big flow cooling water of balance, the return pipe caliber that enters now needs bigger. When balance rotates, the entering return pipe and also to follow rotation twist of cooling water, thus limiting the rotation of balance to a certain extent. In current test, owing to entering the restriction of return pipe torsional forces, the maximum anglec of rotation of balance is approximately in 180 degree. When balance rotates greater angle, it will have that balance is stuck, enter return pipe and break faults such as leaking.
Utility model content
The purpose of this utility model is to provide a kind of swivel joint, with the problem solving the water inlet pipe limited swivel cooling down water existed in existing background technology.
The technical solution of the utility model is: provide a kind of swivel joint, for connecting the circulation duct cooling down water in engine chamber outlet temperature field test device, comprise trocar sheath assembly, inner sleeve assembly and fixing support arm, wherein, described trocar sheath assembly is set in the outside of described inner sleeve assembly, and form the cavity of closing between described trocar sheath assembly and described inner sleeve assembly, described inner sleeve assembly some be arranged on the outside of trocar sheath assembly;Described trocar sheath assembly comprises the first trocar sheath and the second trocar sheath, described first trocar sheath is set on the second trocar sheath, and first trocar sheath and the second trocar sheath can relatively rotate, described first trocar sheath is provided with the first water supply connector, being provided with the first water out adapter on described second trocar sheath, described first water supply connector and the first water out adapter all connect the cavity of the closing formed between described trocar sheath assembly and described inner sleeve assembly; Described inner sleeve assembly comprises the first inner sleeve and the second inner sleeve, described first inner sleeve is set on described second inner sleeve, and first inner sleeve and described second inner sleeve can relatively rotate, described first inner sleeve is provided with the second water out adapter, described second inner sleeve is provided with the second water supply connector; Described fixing support arm is connected with the cylindrical of the second trocar sheath on described trocar sheath assembly, supports described swivel joint for fixing.
Preferably, it is provided with sealing ring between the mating surface of described first trocar sheath and described second trocar sheath.
Preferably, it is provided with sealing ring between the mating surface of described first inner sleeve and described second inner sleeve.
Preferably, described first water supply connector is provided with two pieces.
Preferably, described second water out adapter is provided with two pieces.
Preferably, described swivel joint comprises locating rack further, and described locating rack is provided with three support bars, and described three support bars are uniform at circumferencial direction, and described locating rack is connected with the first trocar sheath on described trocar sheath assembly.
Preferably, described second trocar sheath comprises return pipe and return pipe adaptor, one end of described return pipe adaptor and one end of described return pipe are by being welded to connect, the other end of described return pipe adaptor and described first trocar sheath socket, described first outlet pipe is arranged on the tube wall of described return pipe.
Preferably, described first inner sleeve comprises distributive pipe and distributive pipe adaptor, one end of described distributive pipe adaptor and one end of described distributive pipe are by being welded to connect, the other end of distributive pipe adaptor and described second inner sleeve socket, described second water out adapter is arranged on the tube wall of described distributive pipe.
Preferably, described second inner sleeve is included into water pipe and water inlet pipe adaptor, one end of one end of described water inlet pipe and described water inlet pipe adaptor is by being welded to connect, the other end of described water inlet pipe is by being welded to connect the second water supply connector, and the other end of described water inlet pipe adaptor is socketed with described distributive pipe adaptor.
The utility model has the advantage of: the trocar sheath assembly of swivel joint of the present utility model is set in the outside of inner sleeve assembly, and between thimble assembly and inner sleeve assembly, form cavity outside, cooling water flows into testing equipment from inner sleeve assembly, then flow into the cavity formed between trocar sheath assembly and inner sleeve assembly from testing equipment, flow back to water storage apparatus. Trocar sheath assembly is divided into the first trocar sheath and the second trocar sheath, and first trocar sheath and the second trocar sheath can relatively rotate, inner sleeve assembly is divided into the first inner sleeve and the second inner sleeve, and first inner sleeve and the second inner sleeve can relatively rotate, after swivel joint is connected with testing equipment, one end can be freely rotatable with testing equipment, and the other end of swivel joint can maintain static, the problem solving existing water supply connector limited swivel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the swivel joint of this utility model one embodiment;
Fig. 2 is the schematic diagram of the locating rack of the swivel joint shown in Fig. 1.
Wherein: 1-fixes support arm, 2-the first trocar sheath, 3-the second trocar sheath, 4-the first inner sleeve, 5-the second inner sleeve, 6-sealing ring, 7-locating rack, 21-the first water supply connector, 31-the first water out adapter, 32-return pipe adaptor, 33-return pipe, 41-the second water out adapter, 42-distributive pipe, 43-distributive pipe adaptor, 51-the second water supply connector, 52-water inlet pipe adaptor, 53-water inlet pipe.
Detailed description of the invention
For the purpose making this utility model implement, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is further described in more detail. In the accompanying drawings, same or similar label represents same or similar element or has the element of same or like function from start to finish. Described embodiment is a part of embodiment of this utility model, rather than whole embodiments. The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection. Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that restriction to this utility model protection domain.
As shown in Figure 1 and Figure 2, a kind of swivel joint, for the circulation of the cooling water in engine chamber outlet temperature field test device, comprise fixing support arm the 1, first trocar sheath the 2, second trocar sheath the 3, first inner sleeve 4, the second inner sleeve 5, sealing ring 6, locating rack 7, the first water supply connector 21, the first water out adapter 31, return pipe adaptor 32, return pipe 33, the second water out adapter 41, distributive pipe 42, distributive pipe adaptor 43, the second water supply connector 51, water inlet pipe adaptor 52 and water inlet pipe 53. Fig. 1 is the structural representation of the present embodiment, and Fig. 2 is the schematic diagram of the locating rack shown in Fig. 1.
First trocar sheath 2 and the second trocar sheath 3 form trocar sheath assembly, and the first inner sleeve 4 and the second inner sleeve 5 form inner sleeve assembly. Trocar sheath assembly is set in the outside of inner sleeve assembly, and two ends are fixedly connected by welding, and forms the cavity of closing between trocar sheath assembly and inner sleeve assembly. Inner sleeve assembly some be arranged on the outside of trocar sheath assembly, be used for connecting the second water out adapter 41 and the second water supply connector 51.
First trocar sheath 2 is set on the second trocar sheath 3, and first trocar sheath 2 and the second trocar sheath 3 can relatively rotate, the sidewall of the first trocar sheath 2 is provided with the first water supply connector 21, being provided with the first water out adapter 31 on the sidewall of the second trocar sheath 3, the first water supply connector 21 and the first water out adapter 31 all connect the cavity of the closing formed between trocar sheath assembly and inner sleeve assembly.
First inner sleeve 4 is set on the second inner sleeve 5, and the first inner sleeve 4 and the second inner sleeve 5 can relatively rotate, and the sidewall of the first inner sleeve 4 is provided with the second water out adapter 41, and one end of the second inner sleeve 5 is provided with the second water supply connector 51.
Fixing support arm 1 is connected with the cylindrical of the second trocar sheath 3 on trocar sheath assembly, supports swivel joint for fixing.
In the present embodiment, one end of the first trocar sheath 2 is set on the second trocar sheath 3, and is provided with sealing ring 6 between the first trocar sheath 2 and the mating surface of the second trocar sheath 3. Sealing ring 6 has two axially arranged, has an advantage in that: when sealing ring 6 is possible to prevent the first trocar sheath 2 and the second trocar sheath 3 to rotate against, mating surface leaks, and arranges two sealing rings 6 and can improve the sealing effectiveness of sealing ring, seals relatively reliable.
One end of first inner sleeve 4 is set on the second inner sleeve 5, and is provided with sealing ring 6 between the first inner sleeve 4 and the mating surface of the second inner sleeve 5. Sealing ring 6 has two axially arranged, has an advantage in that: when sealing ring 6 is possible to prevent the first trocar sheath 2 and the second trocar sheath 3 to rotate against, mating surface leaks, and arranges two sealing rings 6 and can improve the sealing effectiveness of sealing ring, seals relatively reliable.
In the present embodiment, the first water supply connector 21 is provided with two pieces. Having an advantage in that: can increase the inflow of testing equipment, meanwhile, improve safety coefficient, when one of them first water supply connector 21 is broken down, another first water supply connector 21 can ensure that the normal use of testing equipment.
Second water out adapter 41 is provided with two pieces. Have an advantage in that: the displacement of testing equipment can be increased, make the water stored in testing equipment be always maintained at relatively low water temperature, meanwhile, improve safety coefficient, when one of them second water out adapter 41 breaks down, another second water out adapter 41 can ensure that the normal use of testing equipment.
In the present embodiment, swivel joint comprises locating rack 7 further, and locating rack 7 is provided with an annulus and three support bars, and three support bars are uniform at the circumferencial direction of annulus, and locating rack 7 is connected by bearing pin with the first trocar sheath 2 on trocar sheath assembly.
Second trocar sheath 3 comprises return pipe 33 and return pipe adaptor 32, one end of one end of return pipe adaptor 32 and return pipe 33 is by being welded to connect, the other end and first trocar sheath 2 of return pipe adaptor 32 are socketed, and the first outlet pipe 31 is arranged on the tube wall of return pipe 33.
First inner sleeve 4 comprises distributive pipe 42 and distributive pipe adaptor 43, distributive pipe 42 one end open, the other end is closed, it is provided centrally with blind hole, the opening of one end of distributive pipe adaptor 43 and distributive pipe 42 is by being welded to connect, the other end of distributive pipe adaptor 43 and described second inner sleeve 5 are socketed, and the second water out adapter 41 is arranged on the tube wall of distributive pipe 42, and connects with the central blind hole of distributive pipe 42.
Second inner sleeve 5 is included into water pipe 53 and water inlet pipe adaptor 52, one end of one end of water inlet pipe 53 and water inlet pipe adaptor 52 is by being welded to connect, the other end of water inlet pipe 53 is by being welded to connect the second water supply connector 51, and the other end of water inlet pipe adaptor 52 and distributive pipe adaptor 43 are socketed.
In process of the test, cooling water enters inner sleeve assembly from the second water supply connector 51, then testing equipment is flowed into from the second water out adapter 41, after cooling water flows through testing equipment, flow in the cavity of the closing that trocar sheath assembly is formed with inner sleeve assembly through the first water supply connector 21 from testing equipment, then flow out from the first water out adapter 31.Wherein, fixing support arm 1 is fixed on the cylindrical of the second trocar sheath 3 of trocar sheath assembly, locating rack 7 is connected with the first trocar sheath 2 of trocar sheath assembly, three support bars on locating rack 7 are connected with testing equipment, and joint rotation is rotated, meanwhile, the other end of swivel joint is in the fixing lower transfixion of fixing support arm 1.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit. Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model.
Claims (9)
1. a swivel joint, for connecting the circulation duct cooling down water in engine chamber outlet temperature field test device, it is characterised in that: comprise trocar sheath assembly, inner sleeve assembly and fixing support arm (1), wherein,
Described trocar sheath assembly is set in the outside of described inner sleeve assembly, and forms the cavity of closing between described trocar sheath assembly and described inner sleeve assembly, described inner sleeve assembly some be arranged on the outside of trocar sheath assembly;
Described trocar sheath assembly comprises the first trocar sheath (2) and the second trocar sheath (3), described first trocar sheath (2) is set on the second trocar sheath (3), and first trocar sheath (2) and the second trocar sheath (3) can relatively rotate, described first trocar sheath (2) is provided with the first water supply connector (21), described second trocar sheath (3) is provided with the first water out adapter (31), described first water supply connector (21) and the first water out adapter (31) all connect the cavity of the closing formed between described trocar sheath assembly and described inner sleeve assembly,
Described inner sleeve assembly comprises the first inner sleeve (4) and the second inner sleeve (5), described first inner sleeve (4) is set on described second inner sleeve (5), and first inner sleeve (4) and the second inner sleeve (5) can relatively rotate, described first inner sleeve (4) is provided with the second water out adapter (41), described second inner sleeve (5) is provided with the second water supply connector (51);
Described fixing support arm (1) is connected with the cylindrical of the second trocar sheath (3) on described trocar sheath assembly, supports described swivel joint for fixing.
2. swivel joint according to claim 1, it is characterised in that: it is provided with sealing ring (6) between described first trocar sheath (2) and the mating surface of described second trocar sheath (3).
3. swivel joint according to claim 1, it is characterised in that: it is provided with sealing ring (6) between described first inner sleeve (4) and the mating surface of described second inner sleeve (5).
4. swivel joint according to claim 1, it is characterised in that: described first water supply connector (21) is provided with two pieces.
5. swivel joint according to claim 1, it is characterised in that: described second water out adapter (41) is provided with two pieces.
6. swivel joint according to claim 1, it is characterized in that: described swivel joint comprises locating rack (7) further, described locating rack (7) is provided with three support bars, described three support bars are uniform at circumferencial direction, and described locating rack (7) is connected with the first trocar sheath (2) on described trocar sheath assembly.
7. swivel joint according to claim 1, it is characterized in that: described second trocar sheath (3) comprises return pipe (33) and return pipe adaptor (32), one end of described return pipe adaptor (32) and one end of described return pipe (33) are by being welded to connect, the other end of described return pipe adaptor (32) and the socket of described first trocar sheath (2), described first outlet pipe (31) is arranged on the tube wall of described return pipe (33).
8. swivel joint according to claim 1, it is characterized in that: described first inner sleeve (4) comprises distributive pipe (42) and distributive pipe adaptor (43), one end of described distributive pipe adaptor (43) and one end of described distributive pipe (42) are by being welded to connect, the other end of distributive pipe adaptor (43) and the socket of described second inner sleeve (5), described second water out adapter (41) is arranged on the tube wall of described distributive pipe (42).
9. swivel joint according to claim 8, it is characterized in that: described second inner sleeve (5) is included into water pipe (53) and water inlet pipe adaptor (52), one end of one end of described water inlet pipe (53) and described water inlet pipe adaptor (52) is by being welded to connect, the other end of described water inlet pipe (53) is by being welded to connect the second water supply connector (51), and the other end of described water inlet pipe adaptor (52) is socketed with described distributive pipe adaptor (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520754743.8U CN205298906U (en) | 2015-09-25 | 2015-09-25 | Rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520754743.8U CN205298906U (en) | 2015-09-25 | 2015-09-25 | Rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298906U true CN205298906U (en) | 2016-06-08 |
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ID=56438702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520754743.8U Active CN205298906U (en) | 2015-09-25 | 2015-09-25 | Rotary joint |
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| Country | Link |
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| CN (1) | CN205298906U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334554A (en) * | 2017-08-30 | 2017-11-10 | 薛海丽 | Clinic cleaning oral appliance |
| CN107541895A (en) * | 2016-06-29 | 2018-01-05 | 青岛海尔洗衣机有限公司 | A kind of fixing means of connecting pipe, washing machine and inlet pipeline |
| CN113478521A (en) * | 2021-07-14 | 2021-10-08 | 东莞科卓机器人有限公司 | Horizontal joint robot shared by gas circuit and circuit |
| CN113531234A (en) * | 2021-07-14 | 2021-10-22 | 东莞科卓机器人有限公司 | Gas circuit assembly |
-
2015
- 2015-09-25 CN CN201520754743.8U patent/CN205298906U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107541895A (en) * | 2016-06-29 | 2018-01-05 | 青岛海尔洗衣机有限公司 | A kind of fixing means of connecting pipe, washing machine and inlet pipeline |
| CN107334554A (en) * | 2017-08-30 | 2017-11-10 | 薛海丽 | Clinic cleaning oral appliance |
| CN113478521A (en) * | 2021-07-14 | 2021-10-08 | 东莞科卓机器人有限公司 | Horizontal joint robot shared by gas circuit and circuit |
| CN113531234A (en) * | 2021-07-14 | 2021-10-22 | 东莞科卓机器人有限公司 | Gas circuit assembly |
| CN113478521B (en) * | 2021-07-14 | 2022-12-30 | 东莞科卓机器人有限公司 | Horizontal joint robot shared by gas circuit and circuit |
| CN113531234B (en) * | 2021-07-14 | 2023-03-07 | 东莞科卓机器人有限公司 | Gas circuit assembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |