A kind of stainless-steel tube water test unit
Technical field
The utility model relates to a kind of stainless-steel tube water test unit, belongs to the stainless-steel tube production technical field.
Background technology
The stainless-steel tube hydraulic testing is the reliable a kind of method of inspection of steel pipe product inspection, and it can check steel pipe whether the defective of penetrability is arranged intuitively.But existing stainless-steel tube water test unit can only be tested the steel pipe of fixed length, and its test hydraulic pressure can only reach 7MPa, can not meet the need of market.
The utility model content
The purpose of this utility model is, a kind of stainless-steel tube water test unit is provided.The utility model has overcome existing stainless-steel tube water test unit can only carry out the hydraulic testing to the steel pipe of fixed length, and its test water is forced down the defective that can not meet the need of market.
The technical solution of the utility model: a kind of stainless-steel tube water test unit, comprise forcing pump, forcing pump is connected with the high pressure water inlet plug that can form sealing with an end of stainless-steel tube; Comprise that also the other end with stainless-steel tube forms the plug that seals of sealing; Described high pressure water inlet plug comprises the A cylinder body, and the A cylinder body is provided with the water under high pressure import, and the water under high pressure import is communicated with the A high-pressure water chamber of A cylinder interior, and the outside of water under high pressure import is provided with the A conical surface, and A conical surface place correspondence is provided with the A sealing ring; The described plug that seals comprises the B cylinder body, and the B high-pressure water chamber outside of B cylinder interior is provided with the B conical surface, and B conical surface place correspondence is provided with the B sealing ring, and correspondence is provided with water delivering orifice and valve on the B cylinder body.
Aforesaid stainless-steel tube water test unit is characterized in that: on the described A cylinder body, near the place of the A conical surface, be provided with the A baffle plate of band A pilot hole.
In the aforesaid stainless-steel tube water test unit, be provided with the A block between described A baffle plate and the A sealing ring.
In the aforesaid stainless-steel tube water test unit, on the described B cylinder body, near the place of the B conical surface, be provided with the B baffle plate of band B pilot hole.
In the aforesaid stainless-steel tube water test unit, be provided with the B block between described B baffle plate and the B sealing ring.
In the aforesaid stainless-steel tube water test unit, described A sealing ring and described B sealing ring are rubber ring.
Compared with prior art, the utility model constitutes the stainless-steel tube water test unit by utilizing novel high pressure water inlet plug and sealing plug in conjunction with forcing pump, the test water pressure energy reaches 25MPa, and can carry out the hydraulic testing to the steel pipe of different length, overcome existing stainless-steel tube water test unit and can only carry out the hydraulic testing to the steel pipe of fixed length, and test water is forced down, the defective that can not meet the need of market; And the utility model does not need special-purpose frame to carry out the hydraulic testing to stainless-steel tube, has simple, convenient characteristics.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of high pressure water inlet plug;
Fig. 3 is the structural representation that seals plug.
Being labeled as in the accompanying drawing: 1-forcing pump, 2-stainless-steel tube, 3-high pressure water inlet plug, 4-A cylinder body, the import of 5-water under high pressure, 6-A high-pressure water chamber, the 7-A conical surface, 8-A sealing ring, 9-seals plug, 10-B cylinder body, 11-B high-pressure water chamber, the 12-B conical surface, the 13-B sealing ring, 14-A pilot hole, 15-A baffle plate, the 16-A block, 17-B pilot hole, 18-B baffle plate, the 19-B block, 20-water delivering orifice, 21-valve.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but not as the foundation to the utility model restriction.
Embodiment.A kind of stainless-steel tube water test unit constitutes as shown in Figure 1, comprises forcing pump 1, and forcing pump 1 is connected with the high pressure water inlet plug 3 that can form sealing with an end of stainless-steel tube 2; Also comprise with the other end of stainless-steel tube 2 forms sealing and seal plug 9; As shown in Figure 2, described high pressure water inlet plug 3 comprises A cylinder body 4, and A cylinder body 4 is provided with water under high pressure import 5, and water under high pressure import 5 is communicated with the A high-pressure water chamber 6 of A cylinder body 4 inside, and the outside of water under high pressure import 5 is provided with the A conical surface 7, and the A conical surface 7 place's correspondences are provided with A sealing ring 8; As shown in Figure 3, the described plug 9 that seals comprises B cylinder body 10, and B high-pressure water chamber 11 outsides of B cylinder body 10 inside are provided with the B conical surface 12, and the B conical surface 12 place's correspondences are provided with B sealing ring 13, and correspondence is provided with water delivering orifice 20 and valve 21 on the B cylinder body 10.
On the described A cylinder body 4, near the place of the A conical surface 7, be provided with the A baffle plate 15 of band A pilot hole 14.
Be provided with A block 16 between described A baffle plate 15 and the A sealing ring 8.
On the described B cylinder body 10, near the place of the B conical surface 12, be provided with the B baffle plate 18 of band B pilot hole 17.
Be provided with B block 19 between described B baffle plate 18 and the B sealing ring 13.
Described A sealing ring 8 and described B sealing ring 13 are rubber ring.
The utility model principle of work: open valve 21, with forcing pump 1 water under high pressure is injected A high-pressure water chambers 6 through water under high pressure import 5, until filling up B high-pressure water chamber 11, valve-off 21 again, keep hydraulic pressure by testing requirements, reach the dwell time after, test is finished.