The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of welded type valve pressure device is provided, and it can adopt new mode to the sealing of closure plate and valve port, can satisfy the needs of different size valve pressure test with a rigid frame; The three-dimensional steel-frame structure of its twin columns dual panel-type has been realized the installation of tested valve and has taken off the convenient and swift of operation that guaranteed carrying out smoothly of valve bulge test, valve pressure device site operation is safe and efficient.
Create purpose for reaching foregoing invention, the utility model adopts following technical proposals:
A kind of welded type valve pressure device, comprise stirrup frame, the valve clamp device, water-supply-pipe, tensimeter and pressuring pump, the valve clamp device comprises mechanical push mode motive power machine device and valve seal closure plate, machinery push mode motive power machine device is installed in the stirrup frame, the valve seal closure plate comprises two, respectively sealing is suppressed at the two ends of tested valve, a slice valve seal closure plate central authorities that are positioned at tested valve student side are provided with the mouth of suppressing that is communicated with the water-supply-pipe end, the water-supply-pipe initiating terminal is communicated with the water transport port of pressuring pump, tensimeter test water delivery inner pipe water pressure, it is characterized in that: stirrup frame is by two columns, put the beams in place and fixedly connected with the base one, form the three-dimensional steel-frame structure of rectangle of twin columns twin beams type, the device pedestal of machinery push mode motive power machine device is fixedly mounted on the upper beam, a slice valve seal closure plate that is positioned at tested valve top is installed on the dynamic pressure bar of mechanical push mode motive power machine device, form dynamic head, another sheet valve seal closure plate that is positioned at tested valve student side is fixedlyed connected with base, form pressure bearing head, the dynamic pressure rod axis of mechanical push mode motive power machine device and the export center of tested valve are on the same straight line.
A slice valve seal closure plate that is positioned at tested valve top is preferably overlapped by blind plate and a slice it-plate, the valve seal closure plate that is positioned at tested valve student side is preferably overlapped by steel plate and another sheet asbestos rubber slab, and two asbestos rubber slabs contact sealing respectively and install with the both sides port of tested valve.
The above-mentioned pair of column put the beams in place and base preferably all adopts joist steel, makes stirrup frame pass through welding fabrication, and preferred employing channel-section steel welding support moulding below base.
Above-mentioned mechanical push mode motive power machine device is preferably hydraulic jack.
Above-mentioned water-supply-pipe is preferably coating steel pipe with mouthful one section water pipe that is communicated with of suppressing of valve seal closure plate.
Above-mentioned tensimeter preferably inserts water-supply-pipe by one section separator tube.
The utility model has following substantive distinguishing features and advantage compared with prior art:
1. the valve specification that is suitable for of the utility model welded type valve pressure device is many, clamping force to valve can manually be controlled, requirement according to the different size valves test, regulate the length of hydraulic jack, the necessary pretightning force of two ends blind plate sealing requirement can be guaranteed, the phenomenon that makes valve body generation distortion because clamping force is out of control can be controlled again.Thereby realize all kinds of valves of DN100-DN500 specification are carried out the hydraulic testing;
2. the utility model welded type valve pressure device has stronger rigidity, in carrying out the bulge test process, can guarantee to suppress the stable of closure plate and valve relative position in the hydraulic pressure elevation process;
3, the utility model welded type valve pressure device economy, drawing materials is working-yard section bar commonly used and Work tool, and convenient and reliable operation adopts queen post single-beam type, the installation of test valve and to take off operation very convenient in suppressing process can significantly be increased work efficiency.
Embodiment
Preferred embodiment accompanying drawings of the present utility model is as follows:
Embodiment one:
In the present embodiment, referring to Fig. 1 and Fig. 2, a kind of welded type valve pressure device, comprise stirrup frame 1, the valve clamp device, water-supply-pipe, tensimeter 6 and pressuring pump 8, the valve clamp device comprises mechanical push mode motive power machine device 2 and valve seal closure plate 3, machinery push mode motive power machine device 2 is installed in the stirrup frame 1, valve seal closure plate 3 comprises two, respectively sealing is suppressed at the two ends of tested valve 5, a slice valve seal closure plate 3 central authorities that are positioned at tested valve 5 belows are provided with the mouth of suppressing that is communicated with the water-supply-pipe end, the water-supply-pipe initiating terminal is communicated with the water transport port of pressuring pump 8, tensimeter 6 test water delivery inner pipe water pressures, stirrup frame 1 is by two columns 1.2, put the beams in place and 1.1 to fixedly connected with base 1.3 one, form the three-dimensional steel-frame structure of rectangle of twin columns twin beams type, the device pedestal of machinery push mode motive power machine device 2 is fixedly mounted on the upper beam 1.1, a slice valve seal closure plate 3 that is positioned at tested valve 5 tops is installed on the dynamic pressure bar of mechanical push mode motive power machine device 2, form dynamic head, another sheet valve seal closure plate 3 that is positioned at tested valve 5 belows is fixedlyed connected with base 1.3, form pressure bearing head, the dynamic pressure rod axis of mechanical push mode motive power machine device 2 and the export center of tested valve 5 are on the same straight line.In the present embodiment, a slice valve seal closure plate 3 that is positioned at tested valve 5 tops is overlapped by blind plate 3.1 and a slice it-plate 3.2, the valve seal closure plate 3 that is positioned at tested valve 5 belows is overlapped by steel plate 3.3 and another sheet asbestos rubber slab 3.2, and two asbestos rubber slabs 3.2 contact sealing respectively and install with the both sides port of tested valve 5.
The mechanical push mode motive power machine device 2 of present embodiment welded type valve pressure device is installed in the stirrup frame 1, only need have the minority parallels just applicable to the bulge test of various conventional welded type valves, device has stronger rigidity, no matter the dynamic pressure bar of machinery push mode motive power machine device 2 can both keep rigid the connection with stirrup frame 1 in any position, valve seal closure plate 3 and tested valve 5 relative positions is stable in the time of can guaranteeing to suppress.Two valve seal closure plates 3 of present embodiment are installed in respectively on the dynamic pressure bar base 1.3 of mechanical push mode motive power machine device 2, form the dynamic head and the pressure bearing head that clamp tested valve 5 both sides ports, constitute the simple structure of valve clamp device.Present embodiment adopts plain mode to realize the sealing of valve seal closure plate 3 and tested valve 5 ports, has effectively reduced the configuration of closure plate.Be applicable to the bulge test of multiple welded type valve.The steel that present embodiment welded type valve pressure device is selected for use the economy of drawing materials, to valve fixing, disassembling section is very convenient, hydraulic testing safety, reliable, high efficiency.Can be used for all kinds of valve hydraulic testings of electromechanical installation DN100-DN500 specification.
In the present embodiment, suppress operating process:
1. according to the specification of the tested valve 5 of accepting bulge test, select suitable blind plate 3.1 to use closure plate as suppressing.
2. it-plate 3.2 is tiled on the steel plate 3.3 as backing plate.
3. the tested valve 5 that will accept bulge test places on the it-plate 3.2, and the position of adjusting valve stands up it between two parties, and then laid another sheet asbestos rubber slab 3.2 in the top of valve, and blind plate 3.1 is positioned on the it-plate 3.2.
4. mechanical push mode motive power machine device 2 is positioned over blind plate 3.1 position placed in the middle, regulates the height of the dynamic pressure bar elongation of mechanical push mode motive power machine device 2, make two valve seal closure plates 3 of valve clamp device fully clamp tested valve 5.
5. start pressuring pump 8, observe tensimeter 6 numerical value, carry out bulge test.
6. after suppressing end, unload tested valve 5 according to above-mentioned return order operation, bulge test work is finished.
In the present embodiment, two columns 1.2, upper beam 1.1 and base 1.3 all adopt joist steel, make stirrup frame 1 by welding fabrication, and adopt 1.4 moulding of channel-section steel welding support below base 1.3.
In the present embodiment, water-supply-pipe and valve seal closure plate 3 to suppress one section water pipe that mouth is communicated be coating steel pipe 4, be convenient to install in 1.4 times built on stilts spaces of channel-section steel support.
In the present embodiment, tensimeter 6 inserts water-supply-pipe by one section separator tube 7, and separator tube 7 is used for cushioning current to the temporary impact of pressure gage spring tube, is that tensimeter 6 is protected.
Embodiment two:
Present embodiment and embodiment one are basic identical, and special feature is:
In the present embodiment, mechanical push mode motive power machine device 2 is hydraulic jack, installs simply, easy to operate, can be used in the formula valve bulge test of multiple occasion.
By reference to the accompanying drawings the utility model embodiment is illustrated above; but the utility model is not limited to above-described embodiment; can also make multiple variation according to the purpose that utility model of the present utility model is created; all according to technical solutions of the utility model spiritual essence and principle under make change, modification, substitute, combination, simplify; all should be the substitute mode of equivalence; as long as meet structure and aufbauprinciple for the utility model welded type valve pressure device, all belong to protection domain of the present utility model.