CN221298121U - Municipal administration cement pipe hangs puts buffer frame - Google Patents
Municipal administration cement pipe hangs puts buffer frame Download PDFInfo
- Publication number
- CN221298121U CN221298121U CN202323213648.0U CN202323213648U CN221298121U CN 221298121 U CN221298121 U CN 221298121U CN 202323213648 U CN202323213648 U CN 202323213648U CN 221298121 U CN221298121 U CN 221298121U
- Authority
- CN
- China
- Prior art keywords
- cement pipe
- hydraulic
- buffer
- adjusting
- hydraulic telescopic
- 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
- 239000004568 cement Substances 0.000 title claims abstract description 122
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000003139 buffering effect Effects 0.000 claims abstract description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000007799 cork Substances 0.000 description 2
- 239000010920 waste tyre Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a municipal cement pipe hanging buffer rack, which comprises a fixing rack and further comprises: adjusting screw, buffering seat connecting frame, square buffering seat, linkage hydraulic support mechanism, hydraulic linkage support mechanism include hydraulic telescoping tube, support telescopic link, lifting screw, support cylinder. According to the utility model, the linkage hydraulic support mechanism is utilized, the hydraulic linkage of the two hydraulic telescopic cylinders is utilized, so that the hydraulic telescopic cylinders can be utilized to contact with the cement pipe gradually when the hydraulic telescopic cylinders contact with the cement pipe, the problem of collision of the cement pipe caused by overlarge contact stress of the cement pipe and the support roller is avoided, and meanwhile, the hydraulic telescopic cylinders are utilized to shrink, so that the hydraulic telescopic cylinders can drive the cement pipe to descend, the cement pipe is quickly placed on the ground, and the self safety of the cement pipe is ensured; meanwhile, the square buffer seat moves, and the device can be lifted by cement pipes with different sizes by being matched with the lifting of the linkage hydraulic support mechanism, so that the application range of the device is improved.
Description
Technical Field
The utility model relates to the field of municipal construction related equipment, in particular to a municipal cement pipe hanging buffer frame.
Background
The cement pipe is also called cement pressure pipe and reinforced concrete pipe, and can be used as sewer pipe in urban construction foundation, sewage water drainage, flood prevention drainage, water supply pipe used in special factories and mines and farmland motor-pumped well. When municipal drainage pipeline is constructed, the cement pipeline needs to be discharged along the excavated ditch in advance for paving in the ditch, and the large-scale cement pipeline is generally hung through a crane at present, and because the cement pipeline is hard and brittle, the cement pipeline needs to be extremely careful when being hung, so that the cement pipeline is prevented from falling to the ground to cause collision and fragmentation.
The existing cement pipes are mostly hung and transported by adopting waste tires or cork as cushion materials, so that the cement pipes can be buffered when being hung and placed, the situation that the cement pipes are collided and broken due to overlarge stress when being contacted with the ground is avoided, but the cement pipes can be hung and placed in a buffering mode in this way, the cushion materials are pressed below by the cement pipes, so that the cement pipes cannot be reused, and when the quantity of the cement pipes is large, a large quantity of cushion materials are needed, and serious waste is caused.
Disclosure of utility model
To solve the problems set forth in the background art. The utility model provides a municipal cement pipe hanging buffer frame which can solve the problem of serious waste caused by the fact that a large number of buffer cushion materials are needed when cement pipes are hung by a large number of the buffer cushion materials in the prior art through adjustment of a hydraulic linkage mechanism and a buffer seat connecting frame.
The technical scheme of the utility model for achieving the purpose is that the municipal cement pipe hanging buffer rack comprises a fixing rack and further comprises:
the adjusting screw is positioned above the fixing frame, is connected with the fixing frame through a bearing, and is provided with an adjusting handle I at one end;
The buffer seat connecting frame is positioned at two ends of one side of the fixing frame and is in sliding contact with the ground, one end of the buffer seat connecting frame is provided with an adjusting seat, and the adjusting seat is sleeved on the adjusting screw and is in threaded connection with the adjusting screw;
The square buffer seat is positioned at the other end of the buffer seat connecting frame and is fixedly connected with the buffer seat connecting frame, an adjusting shaft is arranged at the center of the lower part inside the square buffer seat, an adjusting handle II is arranged at one end of the adjusting shaft, and adjusting bevel gears are arranged at two sides of the center of the adjusting shaft;
linkage hydraulic support mechanism sets up on square buffering seat, and it includes:
the hydraulic telescopic cylinders are positioned on two sides of the center of the square buffer seat, the diameter of the lower part of the inner part of the hydraulic telescopic cylinders is larger than that of the upper part of the inner part of the square buffer seat, and the two hydraulic telescopic cylinders are connected through a hydraulic oil pipe;
The support telescopic rod is arranged at the upper end of the hydraulic telescopic cylinder, and the lower end of the support telescopic rod is provided with a support piston and is in sliding connection with the hydraulic telescopic cylinder;
The lifting screw is arranged at the center of the lower end of the hydraulic telescopic cylinder and is connected with the hydraulic telescopic cylinder through a bearing, the lower end of the lifting screw is provided with a driven bevel gear and is meshed with the adjusting bevel gear, the upper end of the lifting screw is sleeved with a lifting sleeve, the lifting sleeve is in threaded connection with the lifting screw, and a lifting piston is arranged above the lifting sleeve and is in sliding connection with the hydraulic telescopic cylinder;
The supporting roller is arranged at the upper end of the supporting telescopic rod and is connected with the supporting telescopic rod through a bearing.
As the municipal cement pipe hoisting buffer frame, the hydraulic oil pipe is positioned below the cylinder section with the smaller inner diameter of the hydraulic telescopic cylinder, and the hydraulic oil pipe is positioned above the highest position of the lifting piston.
As the municipal cement pipe hanging buffer frame, when the supporting telescopic rod does not support the cement pipe, the extension length of the supporting telescopic rod is larger than half of the total extension length.
As the municipal cement pipe hanging buffer frame, the fixing frame is arranged outside pipe orifices at two ends of the cement pipe, and the buffer seat connecting frame and the square buffer seat are positioned at two sides below the cement pipe.
As the municipal cement pipe hanging buffer frame, when the adjusting screw rotates, the two buffer seat connecting frames are simultaneously close to or far away from the cement pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. The hydraulic linkage of the two hydraulic telescopic cylinders is utilized by utilizing the linkage hydraulic supporting mechanism, so that the hydraulic linkage mechanism can be utilized to be contacted with the cement pipe gradually when being contacted with the cement pipe, the problem that the cement pipe collides with due to overlarge contact stress of the cement pipe and the supporting roller is avoided, and meanwhile, the hydraulic telescopic cylinders are utilized to shrink, so that the hydraulic telescopic cylinders can drive the cement pipe to descend, the cement pipe is quickly placed on the ground, and the self safety of the cement pipe is ensured.
2. The square buffer seat is controlled to be close to or far away from the cement pipe by utilizing the rotation of the adjusting screw, so that the cement pipe can be conveniently placed on the supporting roller to be supported on one hand, and the cement pipe can be conveniently lowered onto the ground on the other hand.
3. By utilizing the movement of the square buffer seat and the lifting of the linkage hydraulic support mechanism, the device can be used for lifting cement pipes with different sizes, and the application range of the device is improved.
4. The device can be completely separated from the cement pipe after the cement pipe is hung, so that the device can be reused, and waste is effectively reduced.
Drawings
FIG. 1 is a schematic structural view of a municipal cement pipe hanging buffer rack according to the utility model;
FIG. 2 is a top view of the adjustment seat of the present utility model;
FIG. 3 is a schematic view of a ganged hydraulic support mechanism according to the present utility model;
In the figure:
1. A fixing frame; 11. adjusting a screw; 12. and adjusting the first handle.
2. A buffer seat connecting frame; 21. and (5) adjusting the seat.
3. Square buffer seat; 31. an adjusting shaft; 32. adjusting a second handle; 33. adjusting the bevel gear; 34. a linkage hydraulic support mechanism; 341. a hydraulic telescopic cylinder; 342. a hydraulic oil pipe; 343. supporting the telescopic rod; 344. a support piston; 345. lifting screw rods; 346. a driven bevel gear; 347. lifting the sleeve; 348. a lifting piston; 349. and supporting the roller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the prior art, when municipal drainage is constructed, a plurality of cement pipes can be used, the cement pipes need to be lifted when being transported, and the cement pipes are very easy to damage due to collision in the lifting process, and in order to ensure the safety of lifting the cement pipes, waste tires or cork are mostly adopted as cushion materials so that the cement pipes can be buffered when being lifted, but the cushion materials are pressed below by the cement pipes, so that the cement pipes cannot be reused, and when the cement pipes are more in quantity, a plurality of cushion materials are needed, so that serious waste is caused. Based on this we provide a municipal administration cement pipe hanging buffer frame, including the mount, still include: adjusting screw, buffering seat connecting frame, square buffering seat, linkage hydraulic support mechanism, hydraulic linkage support mechanism include hydraulic telescoping tube, support telescopic link, lifting screw, support cylinder. According to the utility model, the linkage hydraulic support mechanism is utilized, the hydraulic linkage of the two hydraulic telescopic cylinders is utilized, so that the hydraulic telescopic cylinders can be utilized to contact with the cement pipe gradually when the hydraulic telescopic cylinders contact with the cement pipe, the problem of collision of the cement pipe caused by overlarge contact stress of the cement pipe and the support roller is avoided, and meanwhile, the hydraulic telescopic cylinders are utilized to shrink, so that the hydraulic telescopic cylinders can drive the cement pipe to descend, the cement pipe is quickly placed on the ground, and the self safety of the cement pipe is ensured; meanwhile, the square buffer seat moves, and the device can be lifted by cement pipes with different sizes by being matched with the lifting of the linkage hydraulic support mechanism, so that the application range of the device is improved.
The utility model provides a technical scheme, which is shown in fig. 1-3, and a municipal cement pipe hanging buffer frame comprises a fixing frame 1 and further comprises: the adjusting screw 11 is positioned above the fixed frame 1 and is connected with the fixed frame 1 through a bearing, and one end of the adjusting screw is provided with an adjusting handle I12; the buffer seat connecting frame 2 is positioned at two ends of one side of the fixing frame 1 and is in sliding contact with the ground, one end of the buffer seat connecting frame is provided with an adjusting seat 21, and the adjusting seat 21 is sleeved on the adjusting screw 11 and is in threaded connection with the adjusting screw 11; the square buffer seat 3 is positioned at the other end of the buffer seat connecting frame 2 and is fixedly connected with the buffer seat connecting frame 2, the center of the lower part of the inside of the square buffer seat is provided with an adjusting shaft 31, one end of the adjusting shaft 31 is provided with an adjusting handle II 32, and two sides of the center of the adjusting shaft 31 are provided with adjusting bevel gears 33;
In the embodiment of the utility model, the buffer seat connecting frame 2 can move along with the rotation of the adjusting screw 11 by utilizing the rotation of the adjusting screw 11, so that the buffer seat connecting frame is simultaneously close to or far away from a cement pipe, the square buffer seat 3 can be further adjusted according to the diameter of the cement pipe, and the device can further meet the requirements of hanging cement pipes with different sizes, and effectively improve the application range of the device.
In the embodiment of the utility model, the contact between the fixing frame 1, the buffer seat connecting frame 2 and the square buffer seat 3 and the ground is utilized, so that the contact area between the device and the ground can be effectively increased when the device supports the cement pipe, and further the influence on the hanging work of the cement pipe caused by shaking of the device is avoided.
The linkage hydraulic support mechanism 34 is arranged on the square buffer seat 3, and comprises: the hydraulic telescopic cylinders 341 are positioned on two sides of the center of the square buffer seat 3, the diameter of the lower part of the inside of the hydraulic telescopic cylinders is larger than that of the upper part of the inside of the square buffer seat, and the two hydraulic telescopic cylinders 341 are connected through a hydraulic oil pipe 342; a supporting telescopic rod 343 installed at the upper end of the hydraulic telescopic cylinder 341, having a supporting piston 344 at the lower end thereof, and slidably connected with the hydraulic telescopic cylinder 341; the lifting screw 345 is arranged at the center of the lower end of the hydraulic telescopic cylinder 341 and is connected with the hydraulic telescopic cylinder through a bearing, the lower end of the lifting screw is provided with the driven bevel gear 346 and is meshed with the adjusting bevel gear 33, the upper end of the lifting screw is sleeved with the lifting sleeve 347, the lifting sleeve 347 is in threaded connection with the lifting screw 345, the lifting piston 348 is arranged above the lifting sleeve 347, and the lifting piston 348 is in sliding connection with the hydraulic telescopic cylinder 341; the supporting roller 349 is provided at an upper end of the supporting telescopic rod 343 and is connected thereto through a bearing.
In the embodiment of the utility model, the inner diameters of the hydraulic telescopic cylinder 341 are different from each other, so that the lifting piston 348 can be lowered to a smaller height, the supporting piston 344 can be pushed by hydraulic pressure to be lowered to a higher height, the lowering of the cement pipe can be conveniently controlled, the cement pipe can be quickly contacted with the ground and placed on the ground,
In the embodiment of the present utility model, the hydraulic oil pipe 342 is configured to enable the two hydraulic telescopic cylinders 341 to be in hydraulic oil communication with each other, so that when the supporting roller 349 contacts with the cement pipe, the positions of the supporting roller 349 can be quickly adjusted by using different forces of the two hydraulic telescopic rods 343, so that the supporting roller 349 is tightly attached to the cement pipe, and the cement pipe is supported, thereby ensuring the stability of the stress of the cement pipe and avoiding damage caused by overlarge local stress.
In the embodiment of the present utility model, by using the arrangement of the lifting screw 345 and the lifting sleeve 347, the height of the lifting piston 348 can be quickly adjusted by using the rotation of the lifting screw 345, which is convenient for the control of the staff, and meanwhile, in order to avoid the rotation of the lifting sleeve 347, the outer surface of the lifting piston 347 can be square and can be in sliding contact with the hydraulic telescopic cylinder 341, so as to ensure the smooth operation of the device.
As a municipal cement pipe hoisting buffer frame, a hydraulic oil pipe 342 is positioned below a cylinder section with smaller inner diameter of a hydraulic telescopic cylinder 341, and the hydraulic oil pipe 342 is positioned above the highest position of a lifting piston 348; the two hydraulic telescopic cylinders 341 are in a communication state at all times, so that when the square buffer seat 3 moves and the equivalent position of the supporting roller 349 and the cement pipe changes, the supporting roller 349 is always attached to the cement pipe, and stable support of the cement pipe is ensured.
When the municipal cement pipe hanging buffer frame is used for supporting the telescopic rod 343 and the cement pipe is not supported, the extension length of the telescopic rod 343 is more than half of the total extension length; the supporting telescopic rod 343 can ensure enough telescopic amount so as to adjust the position of the supporting roller 349 to make the supporting roller contacted with the cement pipe for supporting, and meanwhile, the staff can also adjust the height of the lifting piston 348 according to the actual situation so as to keep more telescopic amount change, so that the actual supporting use is satisfied.
As the municipal cement pipe hanging buffer rack, a fixing frame 1 is arranged outside pipe orifices at two ends of a cement pipe, and a buffer seat connecting frame 2 and a square buffer seat 3 are arranged at two sides below the cement pipe; the cement pipe can be stably supported, so that the cement pipe can be stably hung between the two fixing frames 1 and then slowly and stably placed on the ground.
As the municipal cement pipe hanging buffer frame, when the adjusting screw 11 rotates, the two buffer seat connecting frames 2 are simultaneously close to or far away from the cement pipe; so that the cement pipe can stably descend at a constant speed, and the problem that the cement pipe is opposite to the roller and suddenly contacted with the ground due to the movement of the single buffer seat connecting frame 2 is avoided.
When the utility model is specifically used, the following steps are adopted:
S1: taking out the two devices, and placing the two groups of devices at corresponding positions on the ground according to the length of the cement pipe;
s2: according to the diameter of the cement pipe, the first adjusting handle 12 is rotated to adjust the position of the square buffer seat 3 to a proper position by utilizing the rotation of the adjusting screw 11;
S3: when the cement pipe is contacted with the supporting roller 349, the cement pipe is preferentially contacted with the supporting roller 349 close to the inner side, and the two supporting telescopic rods 343 are telescopically regulated by utilizing hydraulic linkage at the same time, so that the two supporting rollers 349 are gradually contacted with the cement pipe and support the cement pipe, and in the process, the cement pipe is buffered by the hydraulic buffer and is hung above the supporting roller 349;
S4: when the cement pipe is hung on the supporting roller 349, the worker manually rotates the second adjusting handle 32 at this time, so that the second adjusting handle rotates by using the adjusting shaft 31 to drive the lifting screw 345 to rotate, and then the lifting sleeve 347 controls the lifting piston 34 to descend by using the threaded connection, so that the height of the supporting roller 349 is reduced, and the cement pipe is gradually lowered;
S5: when the cement pipe descends to a certain height, the first adjusting handle 12 is slowly rotated by a worker at the moment, so that the two buffer seat connecting frames 2 are gradually far away from the cement pipe along with the movement of the adjusting seat 21, the square annular rotating seat 3 is further driven to be far away from the center of the cement pipe, the supporting roller 349 is arranged along the outer surface of the cement pipe to be outwards roller at the moment, the cement pipe is gradually descended, and the cement pipe is ensured to be stably supported through the linkage of hydraulic oil;
S6: when the cement pipe is in contact with the ground, the worker can completely separate the device from the cement pipe by rotating the first adjusting handle 12 and the second adjusting handle 32, and then can move the device to the next lifting place to carry out the next lifting work.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a municipal administration cement pipe hangs puts buffer frame, includes the mount, its characterized in that still includes:
the adjusting screw is positioned above the fixing frame, is connected with the fixing frame through a bearing, and is provided with an adjusting handle I at one end;
The buffer seat connecting frame is positioned at two ends of one side of the fixing frame and is in sliding contact with the ground, one end of the buffer seat connecting frame is provided with an adjusting seat, and the adjusting seat is sleeved on the adjusting screw and is in threaded connection with the adjusting screw;
The square buffer seat is positioned at the other end of the buffer seat connecting frame and is fixedly connected with the buffer seat connecting frame, an adjusting shaft is arranged at the center of the lower part inside the square buffer seat, an adjusting handle II is arranged at one end of the adjusting shaft, and adjusting bevel gears are arranged at two sides of the center of the adjusting shaft;
linkage hydraulic support mechanism sets up on square buffering seat, and it includes:
the hydraulic telescopic cylinders are positioned on two sides of the center of the square buffer seat, the diameter of the lower part of the inner part of the hydraulic telescopic cylinders is larger than that of the upper part of the inner part of the square buffer seat, and the two hydraulic telescopic cylinders are connected through a hydraulic oil pipe;
The support telescopic rod is arranged at the upper end of the hydraulic telescopic cylinder, and the lower end of the support telescopic rod is provided with a support piston and is in sliding connection with the hydraulic telescopic cylinder;
The lifting screw is arranged at the center of the lower end of the hydraulic telescopic cylinder and is connected with the hydraulic telescopic cylinder through a bearing, the lower end of the lifting screw is provided with a driven bevel gear and is meshed with the adjusting bevel gear, the upper end of the lifting screw is sleeved with a lifting sleeve, the lifting sleeve is in threaded connection with the lifting screw, and a lifting piston is arranged above the lifting sleeve and is in sliding connection with the hydraulic telescopic cylinder;
The supporting roller is arranged at the upper end of the supporting telescopic rod and is connected with the supporting telescopic rod through a bearing.
2. The municipal cement pipe hoisting buffer frame according to claim 1, wherein the hydraulic oil pipe is located below a cylinder section with a smaller inner diameter of the hydraulic telescopic cylinder, and the hydraulic oil pipe is located above the highest position of the lifting piston.
3. The municipal cement pipe hanging buffer rack of claim 1, wherein the extension length of the support telescopic rod is greater than half of the total extension length when the cement pipe is not supported.
4. The municipal cement pipe hanging buffer rack according to claim 1, wherein the fixing frames are placed outside pipe openings at two ends of the cement pipe, and the buffer seat connecting frames and the square buffer seats are located at two sides below the cement pipe.
5. The municipal cement pipe hanging buffer rack according to claim 1, wherein when the adjusting screw rotates, the two buffer seat connecting frames are close to or far away from the cement pipe at the same time.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221298121U true CN221298121U (en) | 2024-07-09 |
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209817381U (en) | Liftable formula side slope construction platform | |
| CN108439177B (en) | Tubular pile lifting appliance | |
| CN221298121U (en) | Municipal administration cement pipe hangs puts buffer frame | |
| CN112681486A (en) | Auxiliary fixing device for water supply and drainage pipe of positioning structure for building construction | |
| CN116591281A (en) | Water accumulation and drainage device for high-rise building construction | |
| CN105756581A (en) | Environmental-friendly tubing handling device | |
| CN206052946U (en) | A kind of automobile-used full angle of new forms of energy combined suction sewage can lift horizontal soil pick-up arm | |
| CN213539718U (en) | Supporting structure of mould | |
| CN112196469B (en) | Pile expanding equipment for bridge pile foundation | |
| CN112324172A (en) | Protector is used in city bridge construction | |
| CN109826235B (en) | Replacement method for municipal well lid mounting frame | |
| CN203113336U (en) | Locating and perpendicularity adjusting device of rotary-drilling pile concrete-filled steel tubular column reverse construction method | |
| CN214699496U (en) | Fixing device for pipeline construction | |
| CN114634099A (en) | Overturning type transfer machine for cement pipeline products | |
| CN108691413B (en) | Single-side reducing sliding film construction device of pressure regulating tower | |
| CN114278786A (en) | Pipeline bracket for pipeline installation and socket pipeline construction method | |
| CN205577903U (en) | Environment -friendly oil pipe discharging equipment | |
| CN217000110U (en) | Municipal administration is cleaning device for sewage well | |
| CN221002615U (en) | Drilling machine base convenient for improving hole forming precision of cast-in-place pile | |
| CN211663269U (en) | Civil engineering reforms transform and transports transfer device with cement pipe way | |
| CN217553951U (en) | Pipeline moving device | |
| CN220978276U (en) | Sewage pipe laying device | |
| CN220286631U (en) | Pipeline supporting device for hydraulic and hydroelectric engineering | |
| CN209835617U (en) | Automatic loading arm device for oil loading and unloading | |
| CN212536943U (en) | Pipeline fixing device for building engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |