CN219694528U - Welding valve pressing device capable of being recycled - Google Patents
Welding valve pressing device capable of being recycled Download PDFInfo
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- CN219694528U CN219694528U CN202321199039.1U CN202321199039U CN219694528U CN 219694528 U CN219694528 U CN 219694528U CN 202321199039 U CN202321199039 U CN 202321199039U CN 219694528 U CN219694528 U CN 219694528U
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- steel plate
- clamping steel
- jack
- applying mechanism
- connecting rod
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- 238000003466 welding Methods 0.000 title claims abstract description 69
- 238000003825 pressing Methods 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 127
- 239000010959 steel Substances 0.000 claims abstract description 127
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- SAPGTCDSBGMXCD-UHFFFAOYSA-N (2-chlorophenyl)-(4-fluorophenyl)-pyrimidin-5-ylmethanol Chemical compound C=1N=CN=CC=1C(C=1C(=CC=CC=1)Cl)(O)C1=CC=C(F)C=C1 SAPGTCDSBGMXCD-UHFFFAOYSA-N 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a recyclable welding valve pressing device which comprises a base, a left jack applying mechanism, a right jack applying mechanism, a spring clamping mechanism and a connecting rod component, wherein the spring clamping mechanism comprises a left clamping steel plate, a right clamping steel plate and four springs connected between the left clamping steel plate and the right clamping steel plate, the connecting rod component comprises four connecting rods penetrating through the left clamping steel plate, the springs and the right clamping steel plate, the left end of each connecting rod penetrates through the left jack applying mechanism, the right end of each connecting rod penetrates through the right jack applying mechanism, a pressurizing water injection pipe and a left communicating calandria are arranged on the left clamping steel plate, and a right communicating calandria are arranged on the right clamping steel plate. The utility model has simple structure, reasonable design and convenient operation, meets the pressurizing test requirements of valves with different pipe diameters and lengths, avoids welding short pipes at two ends of the valve to be tested, and also avoids the problem of increasing the failure rate of the pipeline caused by the increase of welded junctions.
Description
Technical Field
The utility model belongs to the technical field of valve inspection devices, and particularly relates to a recyclable welding valve pressing device.
Background
The existing method for pressing the welding valve in the construction site generally comprises the steps of firstly welding two sections of short pipes at two ends of the welding valve, then performing a strength tightness test on the welding valve, cutting off two end closure plates of the short pipes after the test is qualified, and then connecting the short pipes with a pipeline system, wherein the number of welded junctions on a construction pipeline is increased to increase the failure rate of the pipeline, so that a pressing device of the welding valve is created, the defect of increasing the welded junctions when the welding valve is pressed is overcome, the valve is connected with the pipeline system after the pressing is finished, two welded junctions can be reduced by each welding valve, the cost is saved, and the construction period is shortened; and the problems that the increase of welded junctions affects the pipeline and the failure rate is increased are avoided.
Therefore, a pressing device for the welding valve, which has a simple structure and reasonable design, can be recycled, avoids welding short pipes at two ends of the welding valve to be tested, and meets the pressing test requirements of valves with different pipe diameters and lengths.
Disclosure of Invention
The utility model aims to solve the technical problems in the prior art, and provides a recyclable welding valve pressing device which is simple in structure, reasonable in design and convenient to operate, is suitable for pressing test requirements of valves with different pipe diameters and lengths, avoids welding short pipes at two ends of a to-be-tested welding valve, also avoids the problem of increasing the failure rate of a pipeline caused by the increase of welded junctions, and is high in practicability.
In order to solve the technical problems, the utility model adopts the following technical scheme: welding valve pressing device capable of being recycled, and is characterized in that: the device comprises a base, a left jack applying mechanism arranged at the left end of the base, a right jack applying mechanism arranged at the right end of the base, a spring clamping mechanism arranged between the left jack applying mechanism and the right jack applying mechanism, and a connecting rod component penetrating through the left jack applying mechanism, the spring clamping mechanism and the right jack applying mechanism;
the spring clamping mechanism comprises a left clamping steel plate, a right clamping steel plate and four springs connected between the left clamping steel plate and the right clamping steel plate;
the connecting rod part comprises four connecting rods penetrating through the left clamping steel plate, the spring and the right clamping steel plate, the left ends of the connecting rods penetrate through the left jack applying mechanism, and the right ends of the connecting rods penetrate through the right jack applying mechanism;
the left clamping steel plate is provided with a pressurized water injection pipe and a left communicating calandria, and the right clamping steel plate is provided with a right communicating calandria.
Foretell a circulated welding valve device of pressing, its characterized in that: the left jack applying mechanism comprises a left vertical fixing plate which is arranged at the left end of the base and is vertically arranged, and a left jack which is arranged at the center of the left vertical fixing plate, which is close to the side face of the left clamping steel plate, and the telescopic end of the left jack faces the left clamping steel plate;
the right jack applying mechanism comprises a right vertical fixing plate and a right jack, wherein the right vertical fixing plate is arranged at the right end of the base and is vertically arranged, the right jack is arranged at the center of the side surface of the right vertical fixing plate, which is close to the right clamping steel plate, and the telescopic end of the right jack faces the right clamping steel plate.
Foretell a circulated welding valve device of pressing, its characterized in that: the fixed ends of the left jack and the right jack are provided with connecting plates, and the connecting plates and the left vertical fixing plates are connected with the right vertical fixing plates through bolts.
Foretell a circulated welding valve device of pressing, its characterized in that: gaps are arranged between the bottoms of the left clamping steel plate, the bottoms of the right clamping steel plate and the bottoms of the springs and the bottom surface of the base.
Foretell a circulated welding valve device of pressing, its characterized in that: four corners of the left clamping steel plate and the right clamping steel plate are provided with guide holes for the connecting rods to pass through;
the side surfaces of the left clamping steel plate and the right clamping steel plate, which are close to each other, are provided with a plurality of concentrically arranged circular grooves, and tin bars are embedded in the circular grooves;
the pressurized water injection pipe, the right communicating calandria and the left communicating calandria are positioned in the circular groove with the minimum diameter.
Foretell a circulated welding valve device of pressing, its characterized in that: the water injection pipe is provided with a water inlet valve, the right communicating calandria is provided with a right pressure gauge and a right exhaust valve, and the left communicating calandria is provided with a left pressure gauge and a left exhaust valve.
Foretell a circulated welding valve device of pressing, its characterized in that: the spring is sleeved on the connecting rod, one end of the spring is connected with the left clamping steel plate, and the other end of the spring is connected with the right clamping steel plate.
Foretell a circulated welding valve device of pressing, its characterized in that: the connecting rod passes the left end of left vertical fixed plate and is provided with left nut, the right end that the connecting rod passed right vertical fixed plate is provided with right nut, the connecting rod include middle polished rod and with middle polished rod integrated into one piece's threaded rod, threaded rod and left nut and right nut threaded connection.
Foretell a circulated welding valve device of pressing, its characterized in that: the side that left centre gripping steel sheet and right centre gripping steel sheet kept away from each other is provided with the spacing hoop, the cover is established on the connecting rod can be dismantled to the spacing hoop, just spacing hoop laminating left centre gripping steel sheet and right centre gripping steel sheet keep away from each other the side.
Compared with the prior art, the utility model has the following advantages:
1. the utility model is provided with the base, so that the left jack applying mechanism and the right jack applying mechanism are installed to form a matrix which is convenient for the connecting rod to penetrate, and a stable foundation is provided for the welding valve pressing device.
2. The connecting rod is arranged, so that the left clamping steel plate, the spring and the right clamping steel plate are penetrated, and the spring clamping mechanism is arranged in the middle; on the other hand, the guiding limit is realized in order to guide and limit the left clamping steel plate and the right clamping steel plate in the process of approaching or keeping away from each other, so that the accuracy is improved.
3. The left clamping steel plate and the right clamping steel plate are arranged, so that the pressing of the welding valves to be tested with different lengths can be adapted, and the two ends of the welding valves to be tested are sealed in the approaching process, so that the operation is convenient; in addition, the two ends of the welding valve to be tested with different pipe diameters can be correspondingly sealed.
4. According to the utility model, short pipes are prevented from being welded at two ends of the welding valve to be tested, so that two welded junctions can be reduced for each welding valve, the cost is saved, the construction period is shortened, the problem of increasing the failure rate of a pipeline caused by increasing the welded junctions is avoided, the welding valve can be recycled, and the pressurizing test of various welding valves is satisfied.
In conclusion, the utility model has the advantages of simple structure, reasonable design and convenient operation, is suitable for the pressurizing test requirements of valves with different pipe diameters and lengths, avoids welding short pipes at two ends of the welded valve to be tested, also avoids the problem of increasing the failure rate of the pipeline caused by the increase of welded junctions, and has strong practicability.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic structural view of the left and right clamp steel plates of the present utility model.
Reference numerals illustrate:
1-1 to left jack; 1-2-right jack;
2-left nut; 6, connecting rods;
7-1-left clamping steel plate; 7-1-guiding holes; 7-1-2-circular grooves;
7-1-3-tin bars; 7-2-right clamping steel plate; 7-3-springs;
9-right nut; 10-a base; 10-1, a left vertical fixing plate;
10-2, right vertical fixing plates; 11-a limit hoop; 12-connecting plates;
13-a bolt; 14-pressurizing the water injection pipe; 15, a water inlet valve;
16-right pressure gauge; 17-right communicating gauntlet; 18-right exhaust valve;
19-left pressure gauge; 20-left exhaust valve; 21-left communicating gauntlet.
Detailed Description
As shown in fig. 1 to 3, the present utility model includes a base 10, a left jack applying mechanism provided at a left end of the base 10, a right jack applying mechanism provided at a right end of the base 10, a spring clamping mechanism provided between the left jack applying mechanism and the right jack applying mechanism, and a link member passing through the left jack applying mechanism, the spring clamping mechanism, and the right jack applying mechanism;
the spring clamping mechanism comprises a left clamping steel plate 7-1, a right clamping steel plate 7-2 and four springs 7-3 connected between the left clamping steel plate 7-1 and the right clamping steel plate 7-2;
the connecting rod part comprises four connecting rods 6 which penetrate through a left clamping steel plate 7-1, a spring 7-3 and a right clamping steel plate 7-2, the left ends of the connecting rods 6 penetrate through the left jack applying mechanism, and the right ends of the connecting rods 6 penetrate through the right jack applying mechanism;
the left clamping steel plate 7-1 is provided with a pressurized water injection pipe 14 and a left communicating calandria 21, and the right clamping steel plate 7-2 is provided with a right communicating calandria 17.
In this embodiment, the left jack applying mechanism includes a left vertical fixing plate 10-1 disposed at the left end of the base 10 and arranged vertically, and a left jack 1-1 disposed at a position of the left vertical fixing plate 10-1 near the center of the side face of the left clamping steel plate 7-1, where a telescopic end of the left jack 1-1 faces the left clamping steel plate 7-1;
the right jack applying mechanism comprises a right vertical fixing plate 10-2 which is arranged at the right end of the base 10 and is vertically arranged, and a right jack 1-2 which is arranged at the center of the side face of the right vertical fixing plate 10-2, which is close to the right clamping steel plate 7-2, wherein the telescopic end of the right jack 1-2 faces the right clamping steel plate 7-2.
In this embodiment, the fixed ends of the left jack 1-1 and the right jack 1-2 are provided with a connecting plate 12, and the connecting plate 12 and the left vertical fixing plate 10-1 are connected with the right vertical fixing plate 10-2 through bolts 13.
In this embodiment, a gap is provided between the bottom of the left clamping steel plate 7-1, the bottom of the right clamping steel plate 7-2, and the two springs 7-3 located at the bottom and the bottom surface of the base 10.
In the embodiment, four corners of the left clamping steel plate 7-1 and the right clamping steel plate 7-2 are provided with guide holes 7-1-1 for the connecting rod 6 to pass through;
the side surfaces of the left clamping steel plate 7-1 and the right clamping steel plate 7-2, which are close to each other, are provided with a plurality of concentrically arranged circular grooves 7-1-2, and tin bars 7-1-3 are embedded in the circular grooves 7-1-2;
the pressurized water injection pipe 14, the right communicating tube bank 17 and the left communicating tube bank 21 are positioned in the circular grooves 7-1-2 with the smallest diameter.
In this embodiment, the pressurized water injection pipe 14 is provided with a water inlet valve 15, the right communicating pipe 17 is provided with a right pressure gauge 16 and a right exhaust valve 18, and the left communicating pipe 21 is provided with a left pressure gauge 19 and a left exhaust valve 20.
In this embodiment, the spring 7-3 is sleeved on the connecting rod 6, one end of the spring 7-3 is connected with the left clamping steel plate 7-1, and the other end of the spring 7-3 is connected with the right clamping steel plate 7-2.
In this embodiment, the left end portion of the connecting rod 6 passing through the left vertical fixing plate 10-1 is provided with a left nut 2, the right end portion of the connecting rod 6 passing through the right vertical fixing plate 10-2 is provided with a right nut 9, the connecting rod 6 comprises a middle polished rod and a threaded rod integrally formed with the middle polished rod, and the threaded rod is in threaded connection with the left nut 2 and the right nut 9.
In this embodiment, the side that left centre gripping steel sheet 7-1 and right centre gripping steel sheet 7-2 kept away from each other is provided with spacing hoop 11, spacing hoop 11 detachable cover is established on connecting rod 6, just spacing hoop 11 laminating left centre gripping steel sheet 7-1 and right centre gripping steel sheet 7-2 keep away from each other the side.
In this embodiment, in actual use, four of the springs 7-3 are positioned at four corners of the left clamp steel plate 7-1 and the right clamp steel plate 7-2, which are adjacent to each other on the side surfaces.
In this embodiment, the pressurized water injection pipe 14 is located below the left communicating pipe 21.
In this embodiment, in actual use, the centers of the left vertical fixing plate 10-1, the left jack 1-1, the left clamping steel plate 7-1, the right clamping steel plate 7-2, the right jack 1-2 and the right vertical fixing plate 10-2 are coaxially arranged, so that the left jack 1-1 and the right jack 1-2 stretch to apply force at the center positions of the left clamping steel plate 7-1 and the right clamping steel plate 7-2, and thus uniform clamping force is applied to the two ends of the welding valve to be tested.
In this embodiment, in actual use, the four corners of the left clamping steel plate 7-1 and the right clamping steel plate 7-2 are provided with guide holes 7-1-1 through which the connecting rod 6 passes, so that the left clamping steel plate 7-1 and the right clamping steel plate 7-2 can move along the connecting rod 6, and the sliding guide of the left clamping steel plate 7-1 and the right clamping steel plate 7-2 is realized, so that the two left clamping steel plates 7-1 and the right clamping steel plate 7-2 are ensured to be parallel to be close to two ends of the valve.
In the embodiment, a left vertical fixing plate 10-1, a left clamping steel plate 7-1, a spring 7-3, a right clamping steel plate 7-2 and a right vertical fixing plate 10-2 are connected through 4 connecting rods 6 to form a rectangular frame type mechanism.
In this embodiment, during the in-service use, the welding valve that awaits measuring becomes simple high-efficient at the process of pressing, does not need professional welder to participate in, has also avoided the welding nozzle stub in welding valve both ends that awaits measuring to reduce the welding of welding valve both ends that awaits measuring, and then make the welded junction number reduce behind the welding valve access pipeline system that awaits measuring.
In this embodiment, in actual use, the side surfaces of the left clamping steel plate 7-1 and the right clamping steel plate 7-2 far away from each other are provided with the limit clips 11 for limiting the positions of the left clamping steel plate 7-1 and the right clamping steel plate 7-2 on the connecting rod 6, so that the center of the space between the left clamping steel plate 7-1 and the right clamping steel plate 7-2 coincides with the center of the space between the left vertical fixing plate 10-1 and the right vertical fixing plate 10-2, thereby ensuring synchronous actions of the left jack 1-1 and the right jack 1-2.
In this embodiment, in actual use, the limit clip 11 includes two semicircular rings, and the two semicircular rings are detachably connected by a bolt. The limit hoop 11 can not move along the connecting rod 6 when being tightly sleeved on the connecting rod 6. The adjustment of the mounting position of the spacing clip 11 can be achieved by unscrewing the bolt.
In this embodiment, in actual use, the middle polish rod is disposed in the connecting rod 6, so as to facilitate the penetrating installation of the left clamping steel plate 7-1, the spring 7-3 and the right clamping steel plate 7-2, and not to affect the sliding of the left clamping steel plate 7-1 and the right clamping steel plate 7-2 under the action of the left jack 1-1 and the right jack 1-2, or the separation and resetting of the left clamping steel plate 7-1 and the right clamping steel plate 7-2 under the action of the extension of the spring 7-3.
The connecting rod 6 is internally provided with a threaded rod to realize threaded connection with the left nut 2 and the right nut 9, thereby realizing reliable and detachable connection with the left vertical fixing plate 10-1 and the right vertical fixing plate 10-2.
In the embodiment, a plurality of concentrically arranged circular grooves 7-1-2 are arranged in actual use, so that two ends of the welding valve to be tested with different pipe diameters are correspondingly sealed with the circular grooves with different diameters;
the two left clamping steel plates 7-1 and the right clamping steel plate 7-2 are arranged to be close to each other under the action of the left jack 1-1 and the right jack 1-2, so that the pressing of the welding valve to be tested with different lengths can be adapted, and the two ends of the welding valve to be tested are sealed in the closing process, so that the operation is convenient.
When the welding valve to be tested is particularly used, the welding valve to be tested is placed between the left clamping steel plate 7-1 and the right clamping steel plate 7-2, so that the center line of the welding valve to be tested, the center of the left clamping steel plate 7-1 and the center of the right clamping steel plate 7-2 are coaxially distributed, the left jack 1-1 and the right jack 1-2 are operated to extend and prop up the left clamping steel plate 7-1 and the right clamping steel plate 7-2 to be close to each other, and under the condition that the left clamping steel plate 7-1 and the right clamping steel plate 7-2 exert mutual approaching force, two ends of the welding valve to be tested are inserted into the circular grooves 7-1-2 filled with tin bars 7-1-3, so that two ends of the welding valve to be tested are fixedly sealed;
then the water inlet valve 15 is operated to be opened, the right exhaust valve 18 is operated to be opened, the left exhaust valve 20 is closed, a pressurizing machine is adopted to fill water into the welding valve to be tested through the water inlet pipe 14 until the welding valve to be tested is filled with clean water, the right exhaust valve 18 is closed, water continues to be filled through the pressurizing machine, after the right pressure gauge 16 detects that the valve pressure rises to the test pressure and is in a pressure stabilizing state, a hydraulic test is carried out on the valve to be tested, and whether the valve to be tested meets the requirements of standard design or not is judged according to whether the pressure drop of the welding valve to be tested in corresponding time meets the requirements of standard design or not;
and (3) closing the valve to be tested, then operating the water inlet valve 15 to open the left exhaust valve 20, opening the right exhaust valve 18, adopting the pressing machine to fill water into the welding valve to be tested through the water inlet pipe 14 until the single side of the welding valve to be tested is filled with clean water, closing the left exhaust valve 20, continuing to fill water through the pressing machine, detecting the tightness of the valve to be tested after the left pressure gauge 19 detects that the valve pressure rises to the test pressure and is in a pressure stabilizing state, and judging whether the valve to be tested meets the requirements according to whether the pressure drop of the welding valve to be tested meets the standard design requirements or not according to the corresponding time of the welding valve to be tested. And (5) synthesizing the experimental results of the two times to finish the pressurizing test of the welding valve to be tested.
In conclusion, the utility model has the advantages of simple structure, reasonable design and convenient operation, is suitable for the pressurizing test requirements of valves with different pipe diameters and lengths, avoids welding short pipes at two ends of the welded valve to be tested, also avoids the problem of increasing the failure rate of the pipeline caused by the increase of welded junctions, and has strong practicability.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (9)
1. Welding valve pressing device capable of being recycled, and is characterized in that: the device comprises a base (10), a left jack applying mechanism arranged at the left end of the base (10), a right jack applying mechanism arranged at the right end of the base (10), a spring clamping mechanism arranged between the left jack applying mechanism and the right jack applying mechanism, and a connecting rod component penetrating through the left jack applying mechanism, the spring clamping mechanism and the right jack applying mechanism;
the spring clamping mechanism comprises a left clamping steel plate (7-1), a right clamping steel plate (7-2) and four springs (7-3) connected between the left clamping steel plate (7-1) and the right clamping steel plate (7-2);
the connecting rod part comprises four connecting rods (6) penetrating through a left clamping steel plate (7-1), a spring (7-3) and a right clamping steel plate (7-2), the left ends of the connecting rods (6) penetrate through the left jack applying mechanism, and the right ends of the connecting rods (6) penetrate through the right jack applying mechanism;
the left clamping steel plate (7-1) is provided with a pressurized water injection pipe (14) and a left communicating calandria (21), and the right clamping steel plate (7-2) is provided with a right communicating calandria (17).
2. A recyclable welding valve pressing apparatus as defined in claim 1, wherein: the left jack applying mechanism comprises a left vertical fixing plate (10-1) which is arranged at the left end of the base (10) and is vertically arranged, and a left jack (1-1) which is arranged at the center position of the left vertical fixing plate (10-1) close to the side face of the left clamping steel plate (7-1), wherein the telescopic end of the left jack (1-1) faces the left clamping steel plate (7-1);
the right jack applying mechanism comprises a right vertical fixing plate (10-2) which is arranged at the right end of the base (10) in a vertical mode and a right jack (1-2) which is arranged at the center of the side face of the right vertical fixing plate (10-2) close to the right clamping steel plate (7-2), and the telescopic end of the right jack (1-2) faces the right clamping steel plate (7-2).
3. A recyclable welding valve pressing apparatus as defined in claim 2, wherein: the left jack (1-1) and the right jack (1-2) are provided with connecting plates (12) at fixed ends, and the connecting plates (12) and the left vertical fixing plates (10-1) are connected with the right vertical fixing plates (10-2) through bolts (13).
4. A recyclable welding valve pressing apparatus as defined in claim 1, wherein: gaps are arranged between the bottoms of the left clamping steel plate (7-1), the bottoms of the right clamping steel plate (7-2) and the bottoms of the springs (7-3) and the base (10) which are positioned at the bottoms.
5. A recyclable welding valve pressing apparatus as defined in claim 1, wherein: four corners of the left clamping steel plate (7-1) and the right clamping steel plate (7-2) are provided with guide holes (7-1-1) for the connecting rod (6) to pass through;
the side surfaces of the left clamping steel plate (7-1) and the right clamping steel plate (7-2) close to each other are provided with a plurality of concentrically arranged circular grooves (7-1-2), and tin bars (7-1-3) are embedded in the circular grooves (7-1-2);
the pressurized water injection pipe (14), the right communicating pipe (17) and the left communicating pipe (21) are positioned in the circular groove (7-1-2) with the smallest diameter.
6. A recyclable welding valve pressing apparatus as defined in claim 1, wherein: the water injection device is characterized in that a water inlet valve (15) is arranged on the pressurized water injection pipe (14), a right pressure gauge (16) and a right exhaust valve (18) are arranged on the right communication calandria (17), and a left pressure gauge (19) and a left exhaust valve (20) are arranged on the left communication calandria (21).
7. A recyclable welding valve pressing apparatus as defined in claim 1, wherein: the spring (7-3) is sleeved on the connecting rod (6), one end of the spring (7-3) is connected with the left clamping steel plate (7-1), and the other end of the spring (7-3) is connected with the right clamping steel plate (7-2).
8. A recyclable welding valve pressing apparatus as defined in claim 2, wherein: the connecting rod (6) is provided with left nut (2) through the left end of left vertical fixed plate (10-1), the right end that connecting rod (6) passed right vertical fixed plate (10-2) is provided with right nut (9), connecting rod (6) include middle polished rod and with middle polished rod integrated into one piece's threaded rod, threaded rod and left nut (2) and right nut (9) threaded connection.
9. A recyclable welding valve pressing apparatus as defined in claim 1, wherein: the side that left centre gripping steel sheet (7-1) and right centre gripping steel sheet (7-2) kept away from each other is provided with spacing hoop (11), spacing hoop (11) detachable cover is established on connecting rod (6), just spacing hoop (11) laminating left centre gripping steel sheet (7-1) and right centre gripping steel sheet (7-2) keep away from each other the side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199039.1U CN219694528U (en) | 2023-05-17 | 2023-05-17 | Welding valve pressing device capable of being recycled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321199039.1U CN219694528U (en) | 2023-05-17 | 2023-05-17 | Welding valve pressing device capable of being recycled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219694528U true CN219694528U (en) | 2023-09-15 |
Family
ID=87970807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321199039.1U Active CN219694528U (en) | 2023-05-17 | 2023-05-17 | Welding valve pressing device capable of being recycled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219694528U (en) |
-
2023
- 2023-05-17 CN CN202321199039.1U patent/CN219694528U/en active Active
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