CN217413013U - Welding positioning auxiliary device of steel casing - Google Patents
Welding positioning auxiliary device of steel casing Download PDFInfo
- Publication number
- CN217413013U CN217413013U CN202220680498.0U CN202220680498U CN217413013U CN 217413013 U CN217413013 U CN 217413013U CN 202220680498 U CN202220680498 U CN 202220680498U CN 217413013 U CN217413013 U CN 217413013U
- Authority
- CN
- China
- Prior art keywords
- steel casing
- frame
- plate
- vertical
- auxiliary device
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 126
- 239000010959 steel Substances 0.000 title claims abstract description 126
- 238000003466 welding Methods 0.000 title claims abstract description 32
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 16
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 16
- 241001330002 Bambuseae Species 0.000 abstract description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 16
- 239000011425 bamboo Substances 0.000 abstract description 16
- 210000001503 joint Anatomy 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 230000002730 additional effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model discloses a welding positioning auxiliary device of a steel casing, which comprises a bottom frame (1), a vertical rod (2), a top frame (3), a bottom plate (4) and a clamping component; the bottom frame and the top frame are of the same annular frame structure, and a plurality of vertical rods are vertically connected between the bottom frame and the top frame to form a vertical steel casing positioning frame, so that the vertical steel casing positioning frame can be arranged in the hole pile and coaxially sleeved outside the lower section of steel casing; one end of each of the bottom plates is mounted on the top frame, the bottom plates are circumferentially arranged on the outer side of the lower section of steel casing, and the other ends of the bottom plates abut against the ground outside the hole pile; the plurality of groups of clamping assemblies are respectively and correspondingly arranged on the plurality of bottom plates, and can be tightly propped against the outer wall of the lower section of steel casing. The utility model discloses can accurate positioning festival steel protect a section of thick bamboo down to protect a section of thick bamboo for festival steel down and provide reliable support and centre gripping fixed, thereby be convenient for it and the butt joint between the section of thick bamboo is protected to the upper segment steel.
Description
Technical Field
The utility model relates to a steel protects a construction equipment, especially relates to a steel protects a welding position auxiliary device of section of thick bamboo.
Background
Because the soil property is unstable, there is great degree of difficulty in constructing the reinforced concrete dado, can adopt the steel casing to protect the hole stake in the work progress of digging the hole stake, prevent the hole to collapse to avoid influencing construction progress and safety. In order to meet the bearing requirement, the diameter of the hole pile is larger and longer, and the diameter and the length of the steel pile casing are increased. In the construction of the hole pile, the steel casing mostly needs to be formed by sequentially welding a plurality of sections of large-caliber casings, and because the diameter of the steel casing is large, the butt joint precision and the welding quality of the steel casing cannot be guaranteed in a vertical hoisting state, the welding difficulty is high, and the workload is large. In order to ensure the construction efficiency and safety, the steel casing is welded in a flat state in the prior common method, but the volume of the welded steel casing is larger, the hoisting difficulty of the whole steel casing is large, and the construction difficulty is larger.
Disclosure of Invention
An object of the utility model is to provide a steel protects welding position auxiliary device of a section of thick bamboo, can the accurate positioning lower section of thick bamboo that protects to protect a section of thick bamboo for lower section of thick bamboo provides reliable support and centre gripping fixed, thereby it and the butt joint between the section of thick bamboo are protected to the upper segment steel of being convenient for.
The utility model discloses a realize like this:
a welding positioning auxiliary device of a steel casing comprises a bottom frame, a vertical rod, a top frame, a bottom plate and a clamping assembly; the bottom frame and the top frame are of the same annular frame structure, and a plurality of vertical rods are vertically connected between the bottom frame and the top frame to form a vertical steel casing positioning frame, so that the vertical steel casing positioning frame can be arranged in the hole pile and coaxially sleeved outside the lower section of steel casing; one end of each of the bottom plates is mounted on the top frame, the bottom plates are circumferentially arranged on the outer side of the lower section of steel casing, and the other ends of the bottom plates abut against the ground outside the hole pile; the plurality of groups of clamping assemblies are respectively and correspondingly arranged on the plurality of bottom plates, and can be tightly propped against the outer wall of the lower section of steel casing.
The clamping assembly comprises an adjusting stud and a clamping plate; the middle part of the bottom plate is provided with a vertical plate, and the vertical plate is vertically connected with the bottom plate to form an inverted T-shaped structure; the vertical plate is provided with a screw hole, so that the adjusting stud can penetrate through the vertical plate through the screw hole and is screwed with the vertical plate, one end of the adjusting stud, which is far away from the lower steel casing, is provided with a rotating handle, one end of the adjusting stud, which is close to the lower steel casing, is provided with a first bearing, the clamping plate is rotatably connected with the adjusting stud through the first bearing, and the clamping plate can be tightly propped against the lower steel casing.
The clamping plate is of a cambered surface structure and can be matched and attached to the outer wall of the lower section of steel casing.
The clamping plate is provided with an anti-slip cushion layer, and the clamping plate is attached to the outer wall of the lower section of steel casing through the anti-slip cushion layer.
And a shear block is arranged between the vertical plate and the bottom plate, and the clamping plate and the shear block are respectively positioned on two sides of the vertical plate.
The other end of the bottom plate is provided with a screw hole, the knob stud vertically penetrates through the bottom plate through the screw hole and is screwed with the bottom plate, and the lower end of the knob stud is rotatably connected with the touch plate, so that the touch plate can be tightly pressed and attached to the ground.
The bottom of the other end of the bottom plate is provided with an embedded hole, and the touch plate can be matched and embedded in the embedded hole.
The outer sides of the upright posts are vertically connected with cross bars, and the cross bars are arranged between the bottom frame and the top frame in parallel; a plurality of inclined rods are arranged on two adjacent cross rods and distributed in a zigzag shape.
The bottom frame and the vertical rods are provided with a plurality of supporting rods, the supporting rods are obliquely arranged between two adjacent vertical rods, and the plurality of supporting rods are distributed in a zigzag shape.
Each edge of the bottom frame and the top frame is provided with a shear rod.
Compared with the prior art, the utility model, following beneficial effect has:
1. the vertical steel casing positioning frame is arranged, so that the vertical steel casing positioning frame can be arranged between the hole pile and the lower section steel casing and is arranged on the ground around the hole pile, and the vertical steel casing positioning frame is ensured to provide accurate positioning and support for the lower section steel casing so as to ensure the butt joint precision between the lower section steel casing and the upper section steel casing which is hoisted later; simultaneously, two sections steel casing can hoist respectively about, and the construction degree of difficulty is low.
2. The utility model discloses owing to be equipped with multiunit centre gripping subassembly, can push up tightly centre gripping in circumference and protect all around of a section of thick bamboo under, the lower section of thick bamboo after will fixing a position that the section of thick bamboo is protected to lower section steel is reliably fixed, and two sections steel protect the butt joint and the welding of a section of thick bamboo about being convenient for, greatly reduced the welding degree of difficulty, can splice the steel under vertical state and protect a section of thick bamboo, and be favorable to improving butt joint precision and welding quality, reduce the hoist and mount cost.
3. The utility model discloses a vertical steel protects a locating rack can be made according to the size welding that the steel protected a section of thick bamboo, has good commonality and practicality, protects a welding homoenergetic to unidimensional steel and plays effectual additional action, is particularly useful for the welding position operation that the steel of major diameter, super large diameter protected a section of thick bamboo, can have enough to meet the need and be applied to various building engineering in, reduces construction cost to a certain extent.
Drawings
FIG. 1 is a perspective view of a welding positioning auxiliary device for a steel casing according to the present invention;
FIG. 2 is a schematic structural view of a top frame of the welding positioning auxiliary device for a steel casing of the present invention;
fig. 3 is a schematic structural view of the clamping assembly in the welding positioning auxiliary device of the steel casing of the present invention.
In the figure, 1, a bottom frame; 2. erecting a rod; 3. a top frame; 4. a base plate; 5. a knob stud; 6. a touch plate; 7. a cross bar; 8. a diagonal bar; 9. a shear bar; 10. a bolt; 11. a vertical plate; 12. adjusting the stud; 121. rotating the handle; 122. a first bearing; 13. a clamping plate; 14. an anti-slip cushion layer; 15. a shear block; 16. a support rod.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 and 2, an auxiliary welding and positioning device for a steel casing comprises a bottom frame 1, an upright rod 2, a top frame 3, a bottom plate 4 and a clamping assembly; the bottom frame 1 and the top frame 3 are of the same annular frame structure, and a plurality of upright rods 2 are vertically connected between the bottom frame 1 and the top frame 3 to form a vertical steel casing positioning frame, so that the vertical steel casing positioning frame can be arranged in the hole pile and coaxially sleeved outside the lower section of steel casing; one end of each of the plurality of bottom plates 4 is mounted on the top frame 3 through a plurality of bolts 10, the plurality of bottom plates 4 are circumferentially arranged on the outer side of the lower section steel casing, and the other ends of the plurality of bottom plates 4 abut against the ground outside the hole pile; the plurality of groups of clamping assemblies are respectively and correspondingly arranged on the plurality of bottom plates 4, and the plurality of groups of clamping assemblies can be tightly propped against the outer wall of the lower section of steel casing. The lower section of steel casing is reliably positioned and supported by the vertical steel casing positioning frame which is placed in the hole pile and placed on the ground, the lower section of steel casing is clamped by the plurality of groups of clamping assemblies, the stability of the lower section of steel casing is guaranteed, the upper section of steel casing is lifted, the butt joint precision of the upper section of steel casing and the lower section of steel casing is guaranteed, and the welding difficulty of the upper section of steel casing and the lower section of steel casing is reduced.
Referring to fig. 2 and 3, the clamping assembly includes an adjusting stud 12 and a clamping plate 13; the middle part of the bottom plate 4 is provided with a vertical plate 11, and the vertical plate 11 is vertically connected with the bottom plate 4 to form an inverted T-shaped structure; a screw hole (not shown) is formed on the vertical plate 11, so that the adjusting stud 12 can penetrate through the vertical plate 11 through the screw hole and be screwed with the vertical plate 11, a rotating handle 121 is arranged at one end of the adjusting stud 12 far away from the lower steel casing, a first bearing 122 is arranged at one end of the adjusting stud 12 close to the lower steel casing, the clamping plate 13 is rotatably connected with the adjusting stud 12 through the first bearing 122, and the clamping plate 13 can be tightly propped against the lower steel casing. The clamping plate 13 is driven to be close to or far away from the lower section steel casing through the rotation of the adjusting stud 12, so that the lower section steel casing is clamped and released.
Referring to fig. 2 and fig. 3, the clamping plate 13 has a cambered surface structure and can be attached to the outer wall of the lower steel casing in a matching manner, so that the attaching degree of the clamping plate 13 to the outer wall of the lower steel casing can be improved, and the pressing stability of the clamping plate 13 to the outer wall of the lower steel casing can be ensured.
Referring to fig. 2 and fig. 3, an anti-slip cushion layer 14 is arranged on the clamping plate 13, and the clamping plate 13 is attached to the outer wall of the lower section of steel casing through the anti-slip cushion layer 14, so that an anti-slip effect can be achieved, and the compression stability of the clamping plate 13 on the outer wall of the lower section of steel casing can be further ensured.
Referring to fig. 2 and fig. 3, a shear block 15 is arranged between the vertical plate 11 and the bottom plate 4, and the clamping plate 13 and the shear block 15 are respectively located on two sides of the vertical plate 11, so that the shearing resistance of the vertical plate 11 can be improved, and the clamping plate 13 can clamp and fix the lower steel casing.
Referring to fig. 1 to 3, the other end of the bottom plate 4 is provided with a screw hole (not shown), the knob stud 5 vertically penetrates through the bottom plate 4 through the screw hole and is screwed with the bottom plate 4, and the lower end of the knob stud 5 is rotatably connected with the touch plate 6 through a second bearing (not shown), so that the touch plate 6 can be pressed and attached to the ground. The knob stud 5 drives the touch plate 6 to move up and down, so that the height and the levelness of the top frame 3 are adjusted, the axial direction of the vertical steel casing positioning frame is ensured to coincide with the axial direction of the lower section of steel casing, and the butt joint precision of the upper section of steel casing and the lower section of steel casing is ensured.
The bottom of the other end of the bottom plate 4 is provided with an embedded hole (not shown in the figure), and the abutting plate 6 can be matched and embedded in the embedded hole, so that the bottom surface of the bottom plate 4 is flush with the bottom surface of the abutting plate 6, and the abutting plate 6 is convenient to store.
Referring to the attached drawing 1, the outsides of the upright posts 2 are vertically connected with cross bars 7, and the cross bars 7 are arranged between the bottom frame 1 and the top frame 3 in parallel, so that the structural strength and the bearing performance of the vertical steel casing positioning frame can be improved.
Referring to the attached drawing 1, a plurality of inclined rods 8 are arranged on two adjacent cross rods 7, and the inclined rods 8 are distributed in a zigzag shape, so that the structural strength and the bearing performance of the vertical steel casing positioning frame can be further improved.
Referring to fig. 1, a plurality of support rods 16 are arranged between the bottom frame 1 and the upright rods 2, the support rods 16 are obliquely arranged between two adjacent upright rods 2, and the plurality of support rods 16 are distributed in a zigzag shape, so that the strength between the bottom frame 1 and the upright rods 2 can be improved, and the bearing performance of the vertical steel casing positioning frame is improved.
Referring to fig. 1 and 2, shear rods 9 are disposed at corners of the bottom frame 1 and the top frame 3, so as to improve structural strength and bearing performance of the bottom frame 1 and the top frame 3.
The manufacturing method of the utility model is as follows:
adopt steel welding such as square steel to make underframe 1 and top frame 3 of rectangle, adopt square steel to make pole setting 2, down tube 8, shear force pole 9 and bracing piece 16, weld underframe 1, pole setting 2, top frame 3, down tube 8, shear force pole 9 and bracing piece 16 into vertical steel protects a locating rack. Underframe 1 and top frame 3's size can be confirmed according to the diameter of hole stake and the diameter of festival steel casing down, and the height of vertical steel casing locating rack can be adjusted according to actual need, and the specification of square steel can be adjusted according to actual demand. The bottom frame 1 and the top frame 3 can also be made into a circular ring shape or other shapes according to actual needs, and a rectangular or square structure is preferred.
One end of a bottom plate 4 is fixed on a top frame 3 of a rectangular frame structure through a plurality of bolts 10, preferably, the middle part of each edge of the top frame 3 is provided with one bottom plate 4, a group of clamping assemblies are correspondingly configured, and the four groups of clamping assemblies are symmetrically arranged in pairs. The bottom plate 4 and the top frame 3 can be effectively fixed by using three bolts 10 arranged in a straight line.
The bottom plate 4, the abutting plate 6 and the vertical plate 11 are made of steel plates, the shear block 15 is made of steel blocks with right-angled triangles in cross section, the shear block 15, the bottom plate 4 and the vertical plate 11 are welded into an integral structure, and the length of the bottom plate 4 can be adjusted according to the distance between the edge of the top frame 3 and the ground and the lap joint length of the bottom plate and the ground. The knob stud 5 and the adjustment stud 12 may be made of screws.
The utility model discloses a use method is:
hang vertical steel and protect a locating rack and put into the hole stake, the top frame 3 of vertical steel protects a locating rack is shelved subaerial through bottom plate 4, and manual rotating knob double-screw bolt 5 turns into the upper and lower linear motion of conflict board 6 with the rotation of knob double-screw bolt 5 through screw hole and second bearing, makes conflict board 6 contradict subaerial, keeps top frame 3 to be in horizontal position, and prevents that vertical steel from protecting a locating rack and drop.
And hoisting the lower section of steel casing into the hole pile, penetrating the lower section of steel casing through the vertical steel casing positioning frame, and adjusting the lower section of steel casing to be in a vertical state. The adjusting stud 12 is rotated by means of rotating the handle 121, and the rotation of the adjusting stud 12 is converted into linear motion of the clamping plates 13 through the threaded holes and the first bearings 122, so that the four clamping plates 13 are tightly jacked around the outer wall of the lower section of steel casing through the anti-skid cushion layers 14 respectively, and the stability and the verticality of the lower section of steel casing are kept. And hoisting the upper section of steel casing, butting the upper section of steel casing and the lower section of steel casing, and welding and fixing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a welding position auxiliary device of a steel casing, characterized by: comprises a bottom frame (1), upright rods (2), a top frame (3), a bottom plate (4) and a clamping component; the bottom frame (1) and the top frame (3) are of the same annular frame structure, and a plurality of upright rods (2) are vertically connected between the bottom frame (1) and the top frame (3) to form a vertical steel casing positioning frame, so that the vertical steel casing positioning frame can be arranged in the hole pile and coaxially sleeved outside the lower section of steel casing; one end of each of the plurality of bottom plates (4) is respectively installed on the top frame (3), the plurality of bottom plates (4) are circumferentially arranged on the outer side of the lower section of steel casing, and the other ends of the plurality of bottom plates (4) are respectively abutted against the ground outside the hole pile; the plurality of groups of clamping assemblies are respectively and correspondingly arranged on the plurality of bottom plates (4), and the plurality of groups of clamping assemblies can be tightly propped against the outer wall of the lower section of steel casing.
2. The welding position auxiliary device of the steel casing of claim 1, wherein: the clamping assembly comprises an adjusting stud (12) and a clamping plate (13); a vertical plate (11) is arranged in the middle of the bottom plate (4), and the vertical plate (11) is vertically connected with the bottom plate (4) to form an inverted T-shaped structure; the vertical plate (11) is provided with a screw hole, so that the adjusting stud (12) can penetrate through the vertical plate (11) through the screw hole and is screwed with the vertical plate (11), one end, far away from the lower steel casing, of the adjusting stud (12) is provided with a rotating handle (121), one end, close to the lower steel casing, of the adjusting stud (12) is provided with a first bearing (122), the clamping plate (13) is rotatably connected with the adjusting stud (12) through the first bearing (122), and the clamping plate (13) can be tightly jacked on the lower steel casing.
3. The welding position auxiliary device of the steel casing of claim 2, wherein: the clamping plate (13) is of a cambered surface structure and can be matched and attached to the outer wall of the lower section of steel casing.
4. The welding positioning auxiliary device of the steel casing according to claim 2 or 3, wherein: the clamping plate (13) is provided with an anti-slip cushion layer (14), and the clamping plate (13) is attached to the outer wall of the lower section of steel casing through the anti-slip cushion layer (14).
5. The welding position auxiliary device of the steel casing of claim 2, wherein: a shear block (15) is arranged between the vertical plate (11) and the bottom plate (4), and the clamping plate (13) and the shear block (15) are respectively positioned on two sides of the vertical plate (11).
6. The welding position auxiliary device of the steel casing of claim 1, wherein: the other end of the bottom plate (4) is provided with a screw hole, the knob stud (5) vertically penetrates through the bottom plate (4) through the screw hole and is in threaded connection with the bottom plate (4), and the lower end of the knob stud (5) is rotatably connected with the abutting plate (6), so that the abutting plate (6) can be tightly pressed and attached to the ground.
7. The welding position auxiliary device of the steel casing of claim 6, wherein: the bottom of the other end of the bottom plate (4) is provided with an embedded hole, and the touch plate (6) can be embedded in the embedded hole in a matching mode.
8. The welding position auxiliary device of the steel casing of claim 1, wherein: the outsides of the upright posts (2) are vertically connected with cross rods (7), and the cross rods (7) are arranged between the bottom frame (1) and the top frame (3) in parallel; a plurality of inclined rods (8) are arranged on two adjacent cross rods (7), and the inclined rods (8) are distributed in a broken line shape.
9. The welding position auxiliary device of the steel casing of claim 1, wherein: a plurality of support rods (16) are arranged between the bottom frame (1) and the vertical rods (2), the support rods (16) are obliquely arranged between two adjacent vertical rods (2), and the plurality of support rods (16) are distributed in a zigzag shape.
10. The welding position auxiliary device of the steel casing of claim 1, wherein: each corner of the bottom frame (1) and the top frame (3) is provided with a shear rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220680498.0U CN217413013U (en) | 2022-03-25 | 2022-03-25 | Welding positioning auxiliary device of steel casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220680498.0U CN217413013U (en) | 2022-03-25 | 2022-03-25 | Welding positioning auxiliary device of steel casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217413013U true CN217413013U (en) | 2022-09-13 |
Family
ID=83181064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220680498.0U Expired - Fee Related CN217413013U (en) | 2022-03-25 | 2022-03-25 | Welding positioning auxiliary device of steel casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217413013U (en) |
-
2022
- 2022-03-25 CN CN202220680498.0U patent/CN217413013U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5271596A (en) | Method and apparatus for bracing elevated concrete forms | |
| CN111173249B (en) | Overhanging support system attached to rectangular beam and column | |
| CN214461787U (en) | Assembled concrete truss building structure | |
| CN217413013U (en) | Welding positioning auxiliary device of steel casing | |
| CN217776061U (en) | Welding device for reinforcing hoop of steel reinforcement cage | |
| CN215884763U (en) | Modular prefabricated wallboard piling bin | |
| CN113914348B (en) | Movable modular assembly type tower crane steel bearing platform and mounting method | |
| CN215717271U (en) | Tripod for haunched beam support system | |
| CN111945884B (en) | Steel structure upright post assembly capable of improving connection strength | |
| CN212688958U (en) | Auxiliary pile capable of being turned over for water drilling platform | |
| CN210946829U (en) | Regularization standard festival sectional shelf-unit | |
| CN211114755U (en) | Adjustable scaffold base | |
| CN216239362U (en) | Lattice formula steel column | |
| CN215669651U (en) | Staggered construction positioning structure of foundation anchor bolt and reinforcement cage | |
| CN214884861U (en) | Prefabricated building structure post | |
| CN213114693U (en) | Tower crane foundation platform | |
| CN215801574U (en) | Bored concrete pile for civil engineering | |
| CN216195520U (en) | Steel column base node | |
| CN220704601U (en) | Multilayer does not have foundation bearing structure for garage | |
| CN216341031U (en) | Truss assembling device convenient to adjust | |
| AU2019203972B2 (en) | Lifting apparatus | |
| CN218406609U (en) | A shaped steel post location auxiliary device for strength nature post construction | |
| CN213326419U (en) | Foundation pile hoist and mount are with hanging muscle fixing device with high stability | |
| CN217232814U (en) | Adjusting device for vertical butt joint construction of prefabricated column | |
| CN220377539U (en) | Super large concrete column holds in palm construction structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |