CN218153016U - Leakage stopping device for emergency of weld joint leakage - Google Patents
Leakage stopping device for emergency of weld joint leakage Download PDFInfo
- Publication number
- CN218153016U CN218153016U CN202222415232.6U CN202222415232U CN218153016U CN 218153016 U CN218153016 U CN 218153016U CN 202222415232 U CN202222415232 U CN 202222415232U CN 218153016 U CN218153016 U CN 218153016U
- Authority
- CN
- China
- Prior art keywords
- contact device
- waterproof sealing
- emergency
- sealing plate
- welding seam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a leak stoppage device for emergency of welding seam leakage, the structure of which comprises a protective shell, the upper ends of the left and right sides in the protective shell are fixedly connected with the outer side end of a connecting fixing rod, through arranging a clamping device, a clamping block can drive a contact device to clamp a welding seam leakage position by rotating a rotating wheel in the clamping device, and because the clamping block is rotationally connected with a clamping rod, two contact devices can clamp the welding seam leakage position in any direction, so that the welding seam leakage position is clamped, the leakage of the welding seam leakage position can be temporarily prevented, the continuous operation of the welding position device is kept, and the loss is reduced; through having set up contact means, contact means makes liquid or gas in the welding seam department of leaking not leaking, and protection work personnel's safety can protect contact means to be difficult to damaged, improves contact means's availability factor, makes contact means's the various complicated welding seams of adaptation leak, improves contact means practicality.
Description
Technical Field
The utility model relates to a leaking stoppage technical field, concretely relates to welding seam leaks emergency and uses plugging device.
Background
The leakage stoppage refers to the activities of artificially stopping the leakage of substances, the behaviors of stopping the leakage by using a special leakage stoppage tool material after the leakage of water in a tunnel dam of a house, the leakage of a medium in a pipeline container and the damage and leakage of an underground well pipe, and the behaviors of opening and blocking in a perfect pipeline.
The existing leakage stopping device for the welding seam leakage emergency is difficult to clamp the welding seam leakage position in any direction by most devices, the leakage stopping device for the welding seam leakage emergency cannot function, the welding seam leakage position is enabled to continuously leak, the loss is increased, the existing leakage stopping device for the welding seam leakage emergency is difficult to be attached to the welding seam leakage position together with the contact position of the welding seam leakage position when the leakage stopping is carried out, the contact position is not hard enough, the leakage stopping device for the welding seam leakage emergency is damaged, and the use efficiency and the practicability of the leakage stopping device for the welding seam leakage emergency are reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the leakage stopping device for the welding seam leakage emergency is provided, the problems that the existing leakage stopping device for the welding seam leakage emergency is difficult to clamp the welding seam leakage position in any direction, the leakage stopping device for the welding seam leakage emergency cannot play a role, the welding seam leakage position continues to leak, the loss is increased, the existing leakage stopping device for the welding seam leakage emergency is difficult to attach to the welding seam leakage position at the contact position of the welding seam leakage position during leakage stopping, the contact position is not hard enough, the leakage stopping device for the welding seam leakage emergency is damaged, and the use efficiency and the practicability of the leakage stopping device for the welding seam leakage emergency are reduced are solved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a leakage stopping device for welding seam leakage emergency, which comprises a protective shell, a clamping device and a contact device, the upper ends of the left side and the right side in the protective shell are fixedly connected with the outer side end of the connecting fixed rod, the inner side end of the connecting fixed rod is fixedly connected with the middle ends of the left side and the right side of the upper end of the clamping device, the inner side end of the lower end of the clamping device is fixedly connected with the middle ends of the left side and the right side of the contact device, the clamping device comprises a connecting block, a thread block, an upper connecting rotating rod and a clamping rod, the inner side end of the connecting fixed rod is fixedly connected with the middle ends of the left side and the right side of the connecting block, the center of the top of the connecting block is penetrated by the bottom end of the rotating wheel and is rotationally connected with the bottom end of the rotating wheel, the bottom of the connecting block is fixedly connected with the top of the thread block, the left side and the right side of the thread block are fixedly connected with the inner side end of the connecting plate, the outer side end of the connecting plate is rotationally connected with the upper end of the upper connecting rotating rod, the lower end of the upper connecting rotating rod is rotationally connected with the upper end of the lower connecting rotating rod, the lower end of the lower connecting rotating rod is rotatably connected with the left end and the right end of the connecting cross rod, the middle ends of the upper side and the lower side of the connecting cross rod are penetrated by the lower end of the screw rod and are in threaded connection with the lower end of the screw rod, the upper end of the screw rod penetrates through the centers of the upper side and the lower side of the thread block and is in threaded connection with the centers of the upper side and the lower side of the thread block, the top of the screw is fixedly connected with the lower end of the rotating wheel, the top end of the screw penetrates through the center of the bottom of the connecting block and is rotationally connected with the center of the bottom of the connecting block, the left end and the right end of the connecting cross rod are rotationally connected with the upper end of the clamping rod, the bottom end of the inner side of the clamping rod is rotationally connected with the outer side end of the clamping block, the clamping block inner end is fixedly connected with the middle ends of the left side and the right side of the contact device, and the lower end of the rotating wheel penetrates through the top center of the protective shell and is connected with the top center of the protective shell in a rotating mode.
Further, the contact device comprises a contact device protection outer wall, a lower connection waterproof sealing plate and an upper connection waterproof sealing plate, the contact device protection outer wall is arranged outside the contact device, the inner side end surface of the contact device protection outer wall is fixedly connected with the outer side end surface of the heat insulation plate, the inner side end surface of the heat insulation plate is fixedly connected with the outer side end surface of the rubber soft plate, the front side and the rear side of the inner side end of the rubber soft plate are fixedly connected with the outer side end of the waterproof sealing plate, the lower connection waterproof sealing plate is arranged at the lower end of the inner side of the contact device, the upper connection waterproof sealing plate is arranged at the upper end of the inner side of the contact device, and the middle end of the outer surface of the contact device protection outer wall is fixedly connected with the inner side end of the lower end of the clamping device.
Furthermore, the clamping device takes the central shaft as a symmetry axis and is arranged in a bilateral symmetry manner.
Further, the middle ends of the lower connecting rotating rod and the clamping rods are fixedly connected, and grooves in the left side and the right side of the connecting cross rod are formed in the middle ends of the lower connecting rotating rod and are rotatably connected with grooves of the connecting cross rod.
Furthermore, the contact device is divided into two parts, and the left end and the right end of the contact device are identical in structure.
Further, the lower connecting waterproof sealing plate and the upper connecting waterproof sealing plate are identical in structure, the upper end of the inner side end of the lower connecting waterproof sealing plate is fixedly connected with the upper end of the protective outer wall of the contact device, the heat insulation plate, the rubber soft plate and the upper end of the inner side end of the waterproof sealing plate, and the lower end of the inner side end of the lower connecting waterproof sealing plate is fixedly connected with the lower end of the protective outer wall of the contact device, the heat insulation plate, the rubber soft plate and the lower end of the inner side end of the waterproof sealing plate.
Furthermore, the clamping block is made of stainless steel.
Furthermore, the screw rod is made of carbon steel.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1) A welding seam leaks emergency plugging device through having set up clamping device, makes the grip block can drive contact device and grasp welding seam leakage department through the rotation wheel among the rotation clamping device, because the grip block rotates with the supporting rod and links together, so two contact device can grasp welding seam leakage department with any direction, make welding seam leakage department by the grasp, can prevent the leakage of welding seam leakage department temporarily, keep the continuation function of welding department device, reduce the loss.
2) A sealing device is used in welding seam leakage emergency, through having set up contact device, waterproof sealing plate among the contact device, connect waterproof sealing plate down, go up and connect waterproof sealing plate and can make the welding seam leak sealed, make liquid or gas in the welding seam leak department not leak, protection staff's safety can protect contact device to be difficult to damaged, improves contact device's availability factor, makes contact device's the various complicated welding seams of adaptation leak, improves the contact device practicality.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the structure of the clamping device of the present invention;
FIG. 4 is a schematic structural view of the contact device of the present invention;
fig. 5 is a schematic view of the internal structure of the contact device of the present invention.
In the figure: the device comprises a protective shell-1, a connecting fixed rod-2, a clamping device-3, a connecting block-31, a rotating wheel-32, a thread block-33, a connecting plate-34, an upper connecting rotating rod-35, a lower connecting rotating rod-36, a connecting cross rod-37, a screw rod-38, a clamping rod-39, a clamping block-310, a contact device-4, a contact device protective outer wall-41, a heat insulation plate-42, a rubber soft plate-43, a waterproof sealing plate-44, a lower connecting waterproof sealing plate-45 and an upper connecting waterproof sealing plate-46.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment;
referring to fig. 1, 2 and 3, the present invention provides an emergency plugging device for welding seam leakage: comprises a protective shell 1, a clamping device 3 and a contact device 4, wherein the upper ends of the left side and the right side inside the protective shell 1 are fixedly connected with the outer side end of a connecting fixed rod 2, the inner side end of the connecting fixed rod 2 is fixedly connected with the middle ends of the left side and the right side of the upper end of the clamping device 3, the inner side end of the lower end of the clamping device 3 is fixedly connected with the middle ends of the left side and the right side of the contact device 4, the clamping device 3 comprises a connecting block 31, a thread block 33, an upper connecting rotating rod 35 and a clamping rod 39, the inner side end of the connecting fixed rod 2 is fixedly connected with the middle ends of the left side and the right side of the connecting block 31, the top center of the connecting block 31 is penetrated by the bottom end of a rotating wheel 32 and is rotatably connected with the bottom end of the rotating wheel 32, the bottom of the connecting block 31 is fixedly connected with the top of the thread block 33, the left side and the right side of the thread block 33 are fixedly connected with the inner side end of the connecting plate 34, the outer end of the connecting plate 34 is rotatably connected with the upper end of the upper connecting rotating rod 35, the lower end of the upper connecting rotating rod 35 is rotatably connected with the upper end of the lower connecting rotating rod 36, the lower end of the lower connecting rotating rod 36 is rotatably connected with the left end and the right end of the connecting cross rod 37, the middle ends of the upper side and the lower side of the connecting cross rod 37 are penetrated by the lower end of the screw rod 38 and are in threaded connection with the lower end of the screw rod 38, the outer end of the 310 is rotatably connected, the clamping device 3 takes the central shaft as a symmetrical shaft and is arranged in a bilateral symmetry mode, clamping force is enabled to be balanced relatively, the middle ends of the lower connecting rotating rod 36 and the clamping rod 39 are fixedly connected, the middle ends of the middle ends are provided with grooves in the left side and the right side of the connecting cross rod 37 and are rotatably connected with the grooves of the connecting cross rod 37, and the upper end of the clamping rod 39 can be conveniently driven to move.
Referring to fig. 4 and 5, the present invention provides a leakage stopping device for emergency of seam leakage, wherein the contact device 4 includes a contact device protection outer wall 41, a lower connection waterproof sealing plate 45 and an upper connection waterproof sealing plate 46, the contact device protection outer wall 41 is provided outside the contact device 4, the inner side end surface of the contact device protection outer wall 41 is fixedly connected to the outer side end surface of the heat insulation plate 42, the inner side end surface of the heat insulation plate 42 is fixedly connected to the outer side end surface of the soft rubber plate 43, the front and rear sides of the inner side end of the soft rubber plate 43 are fixedly connected to the outer side end of the waterproof sealing plate 44, the lower connection waterproof sealing plate 45 is provided at the lower end inside the contact device 4, the contact device 4 is divided into two pieces, the left and right ends of the contact device 4 have the same structure, thereby better holding the seam leakage, the lower connection waterproof sealing plate 45 has the same structure as the upper connection waterproof sealing plate 46, thereby facilitating replacement, the inner side end upper end of the contact device protection outer wall 41, the rubber soft rubber plate 43, the inner side end upper end of the waterproof sealing plate 44 is fixedly connected to the outer wall 41, and the inner side end of the contact device protection outer wall protection plate 4 forms a whole.
Example two;
the utility model provides a welding seam leaks emergency plugging device, screw rod 38 upper end run through screw block 33 about both sides center and with screw block 33 about both sides center threaded connection, screw rod 38 top with rotate wheel 32 lower extreme fixed connection, screw rod 38 top run through connection block 31 bottom center just rotates with connecting block 31 bottom center and is connected, connect horizontal pole 37 about both ends and supporting rod 39 upper ends rotate to be connected, 39 inboard bottom of supporting rod and grip block, grip block 310 medial extremity and 4 left and right sides middle-end fixed connection of contact means, it runs through 1 top center of protective housing and rotates with 1 top center of protective housing to rotate wheel 32 lower extreme, 4 inboard upper ends of contact means are equipped with and connect waterproof sealing plate 46, 41 surface middle-end of contact means protection outer wall and 3 lower extreme inner end fixed connection of clamping means.
The utility model provides an emergency plugging device for welding seam leakage through improvement, and the working principle is as follows;
firstly, when the equipment is used, the device is firstly placed in a welding seam leakage plugging working area;
secondly, firstly, the inner side end of the contact device 4 is close to a weld seam leakage part, then the rotating wheel 32 is rotated anticlockwise, the rotating wheel 32 rotates to drive the screw rod 38 to rotate, the screw rod 38 is in threaded connection with the connecting cross rod 37, so that the screw rod 38 rotates to drive the connecting cross rod 37 to move upwards, the connecting cross rod 37 moves to drive the lower end of the lower connecting rotating rod 36 to move upwards, the lower end of the lower connecting rotating rod 36 moves to drive the lower end of the connecting rotating rod 36 below the lower connecting rotating rod 36 to rotate towards the outer end by taking the center of a circle as a center, and the lower connecting rotating rod 36 rotates to drive the upper end of the connecting rotating rod 35 above the upper connecting rotating rod 35 to rotate towards the outer end by taking the center of a circle as a center;
thirdly, the lower connecting rotating rod 36 rotates to drive the clamping rods 39 to rotate towards the inner side end by taking the upper ends of the clamping rods 39 as the circle centers, the two clamping rods 39 can gradually approach, the clamping rods 39 rotate to drive the two clamping blocks 310 to approach, the two clamping blocks 310 approach to drive the two contact devices 4 to approach, and as the clamping blocks 310 and the clamping rods 39 are rotatably connected together, the two contact devices 4 can clamp the welding seam leakage position in any direction, so that the welding seam leakage position is clamped, the leakage of the welding seam leakage position can be temporarily prevented, the continuous operation of the welding position device is maintained, the loss is reduced, and the problems that the loss is increased due to the fact that the existing leakage-stopping device for the welding seam leakage is difficult to clamp the welding seam leakage position in any direction, the leakage-stopping device for the welding seam leakage emergency cannot function, and the leakage of the welding seam leakage position continues to leak are solved;
fourthly, when the two lower connecting waterproof sealing plates 45 and the upper connecting waterproof sealing plate 46 are close to each other, the upper end and the lower end of the contact device 4 can be sealed, and the waterproof sealing plate 44 is in contact with the leakage position of the welding line to form a sealing effect, so that liquid or gas in the leakage position of the welding line is not leaked, the safety of workers is protected, and the contact device protects the outer shell of the outer wall 41 to be very hard;
fifthly, can protect contact means 4 to be difficult to by the damage, improve contact means 4's availability factor, heat insulating board 42 can insulate against heat, protect contact means 4, rubber soft board 43 can adapt to the welding seam department of leaking of any shape, make contact means 4's the various complicated welding seams of adaptation leak, improve contact means 4 practicality, current welding seam leakage plugging device for emergency has been solved, hardly with welding seam department of leaking contact laminating together with welding seam department of leaking when carrying out the leaking stoppage, and the department of contacting is not hard enough, lead to welding seam leakage plugging device for emergency to be damaged, reduce welding seam leakage plugging device's availability factor and the problem of practicality.
The utility model relates to a welding seam leaks plugging device for emergency, through optimizing and having set up clamping device 3, make the grip block 310 can drive contact device 4 and grasp the welding seam leakage department through rotating the rotating wheel 32 in the clamping device 3, because the grip block 310 rotates with the supporting rod 39 and links together, so two contact device 4 can grasp the welding seam leakage department in any direction, make the welding seam leakage department be grasped, can prevent the leakage of welding seam leakage department temporarily, keep the continuation operation of welding department device, reduce the loss; through having set up contact means 4, waterproof seal plate 44 among the contact means 4, connect waterproof seal plate 45 down, connect waterproof seal plate 46 on can making the welding seam leak sealed, make liquid or gas in the welding seam leak department not leaking, protection staff's safety can protect contact means 4 to be difficult to by the damage, improves contact means 4's availability factor, makes contact means 4's the various complicated welding seams of adaptation leak, improves contact means 4 practicality. The utility model discloses a welding seam leaks emergency plugging device, its structure includes protective housing 1, 1 inside left and right sides upper end of protective housing with be connected 2 outside ends fixed connection of dead lever.
Claims (9)
1. A leakage stopping device for emergency of weld joint leakage comprises a protective shell (1), wherein the upper ends of the left side and the right side in the protective shell (1) are fixedly connected with the outer side end of a connecting fixing rod (2);
the method is characterized in that: still include clamping device (3) and contact device (4), connect dead lever (2) medial extremity and clamping device (3) upper end left and right sides middle-end fixed connection, clamping device (3) lower extreme medial extremity and contact device (4) left and right sides middle-end fixed connection, clamping device (3) are including connecting block (31) and thread block (33), connect dead lever (2) medial extremity and connecting block (31) left and right sides middle-end fixed connection, connecting block (31) top center is rotated wheel (32) bottom and is run through and rotate wheel (32) bottom and be connected, connecting block (31) bottom and thread block (33) top fixed connection.
2. The emergency plugging device for the weld joint leakage according to claim 1, characterized in that: clamping device (3) still include and connect dwang (35), screw thread piece (33) left and right sides and connecting plate (34) medial extremity fixed connection, connecting plate (34) outside end is connected dwang (35) upper end rotation with last, it is connected with lower connection dwang (36) upper end rotation to go up to connect dwang (35) lower extreme, both ends are rotated about lower connection dwang (36) lower extreme and connection horizontal pole (37) and are connected, connect horizontal pole (37) upper and lower both sides middle-end by screw rod (38) lower extreme run through and with screw rod (38) lower extreme threaded connection, screw rod (38) upper end run through screw thread piece (33) upper and lower both sides center and with screw thread piece (33) upper and lower both sides center threaded connection.
3. The emergency plugging device for the weld joint leakage according to claim 2, characterized in that: clamping device (3) still include supporting rod (39), screw rod (38) top and rotation wheel (32) lower extreme fixed connection, screw rod (38) top through connection piece (31) bottom center just rotate with connecting block (31) bottom center and be connected, connect horizontal pole (37) and control both ends and rotate with supporting rod (39) upper end and be connected, supporting rod (39) inboard bottom rotates with supporting block (310) outside end to be connected, supporting block (310) medial extremity and contact device (4) left and right sides middle-end fixed connection, it runs through protective housing (1) top center and rotates with protective housing (1) top center to rotate to be connected to rotate wheel (32) lower extreme.
4. The emergency plugging device for the weld joint leakage according to claim 1, characterized in that: the contact device (4) comprises a contact device protection outer wall (41), the contact device protection outer wall (41) is arranged outside the contact device (4), the end surface of the inner side of the contact device protection outer wall (41) is fixedly connected with the end surface of the outer side of the heat insulation plate (42), and the end surface of the inner side of the heat insulation plate (42) is fixedly connected with the end surface of the outer side of the soft rubber plate (43).
5. A leak stopping device for an emergency of weld joint leakage according to claim 4, which is characterized in that: the contact device (4) further comprises a lower connecting waterproof sealing plate (45) and an upper connecting waterproof sealing plate (46), the front side and the rear side of the inner side end of the rubber soft plate (43) are fixedly connected with the outer side end of the waterproof sealing plate (44), the lower end of the inner side of the contact device (4) is provided with the lower connecting waterproof sealing plate (45), the upper end of the inner side of the contact device (4) is provided with the upper connecting waterproof sealing plate (46), and the middle end of the outer surface of the protective outer wall (41) of the contact device is fixedly connected with the inner side end of the lower end of the clamping device (3).
6. The emergency plugging device for the weld joint leakage according to claim 1, characterized in that: the clamping device (3) is arranged in a bilateral symmetry mode by taking the central shaft as a symmetry axis.
7. The emergency plugging device for the weld joint leakage according to claim 2, characterized in that: the middle ends of the lower connecting rotating rod (36) and the clamping rod (39) are fixedly connected, and the middle ends are provided with grooves on the left side and the right side of the connecting cross rod (37) and are rotatably connected with the grooves of the connecting cross rod (37).
8. A leak stopping device for an emergency of weld joint leakage according to claim 4, which is characterized in that: the contact device (4) is divided into two parts, and the left end and the right end of the contact device (4) have the same structure.
9. A leak stopping device for an emergency of weld joint leakage according to claim 5, characterized in that: the lower connecting waterproof sealing plate (45) and the upper connecting waterproof sealing plate (46) are identical in structure, the upper end of the inner side end of the lower connecting waterproof sealing plate (45) is fixedly connected with the upper end of the protective outer wall (41) of the contact device, the heat insulation plate (42), the soft rubber plate (43) and the upper end of the inner side end of the waterproof sealing plate (44), and the lower end of the inner side end of the lower connecting waterproof sealing plate (45) is fixedly connected with the lower end of the inner side end of the protective outer wall (41) of the contact device, the heat insulation plate (42), the soft rubber plate (43) and the waterproof sealing plate (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222415232.6U CN218153016U (en) | 2022-09-09 | 2022-09-09 | Leakage stopping device for emergency of weld joint leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222415232.6U CN218153016U (en) | 2022-09-09 | 2022-09-09 | Leakage stopping device for emergency of weld joint leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218153016U true CN218153016U (en) | 2022-12-27 |
Family
ID=84560598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222415232.6U Active CN218153016U (en) | 2022-09-09 | 2022-09-09 | Leakage stopping device for emergency of weld joint leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218153016U (en) |
-
2022
- 2022-09-09 CN CN202222415232.6U patent/CN218153016U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218153016U (en) | Leakage stopping device for emergency of weld joint leakage | |
| CN214744160U (en) | Oil gas gathering and transportation pipeline prevents leaking and uses detection device | |
| CN210774534U (en) | Petroleum pipeline sealing performance detection device | |
| CN206326270U (en) | A kind of large space argon shielded welding equipment | |
| CN206169558U (en) | Sleeve pipe tube end welding device | |
| CN214579229U (en) | Low-temperature liquid valve with leakage-proof function | |
| CN215708881U (en) | Glass fiber reinforced plastic tank body with good seepage-proofing effect | |
| CN216078739U (en) | Copper spherical joint convenient to loading and unloading | |
| CN207935617U (en) | Combined joint based on ship | |
| CN210562337U (en) | Deep foundation pit engineering construction and monitoring simulation test device | |
| CN214008489U (en) | Lining type pipeline repairing device | |
| CN219639670U (en) | Heating power pipeline protection mechanism | |
| CN213145760U (en) | Leaking stoppage equipment with corrosion resistance | |
| CN218233354U (en) | Reservoir antiseep structure | |
| CN111717725A (en) | Tool for recovering marine pipe | |
| CN220037847U (en) | Disposable plugging device for water supply pipeline | |
| CN216284144U (en) | Automatic detection equipment for welding seam of pressure steel pipe | |
| CN214889528U (en) | Pipeline butt joint device | |
| CN204805837U (en) | Connecting device is moulded to steel | |
| CN210106653U (en) | High-temperature and high-pressure resistant bidirectional sealing ball valve | |
| CN221145643U (en) | Sealing structure for concrete pipeline interface | |
| CN216344572U (en) | Emergency release device of low-temperature ship loading and unloading arm | |
| CN212718144U (en) | Leakage-proof fluorine-lined ball valve mounting structure | |
| CN218313374U (en) | A overhaul equipment for urban heat supply major diameter pipeline | |
| CN213511068U (en) | Pneumatic hydraulic station power device of hydraulic clamp oil cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |