CN219710104U - Hanging basket hanging belt height adjusting device for bridge cantilever construction - Google Patents
Hanging basket hanging belt height adjusting device for bridge cantilever construction Download PDFInfo
- Publication number
- CN219710104U CN219710104U CN202321067384.XU CN202321067384U CN219710104U CN 219710104 U CN219710104 U CN 219710104U CN 202321067384 U CN202321067384 U CN 202321067384U CN 219710104 U CN219710104 U CN 219710104U
- Authority
- CN
- China
- Prior art keywords
- hanging
- wedge block
- supporting beam
- supporting
- block
- 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
- 238000010276 construction Methods 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a hanging basket hanging belt height adjusting device for bridge cantilever construction, which belongs to the technical field of bridge cantilever construction facilities and comprises a lower supporting beam arranged on a cantilever beam body, wherein the lower supporting beam is connected with an upper supporting beam through a jack, a wedge adjusting assembly is arranged on the lower supporting beam, a hanging belt sequentially penetrates through the cantilever beam body, the lower supporting beam, the wedge adjusting assembly and the upper supporting beam, the upper supporting beam is connected with the hanging belt through a pin shaft I, and the wedge adjusting assembly is connected with the hanging belt through a pin shaft II.
Description
Technical Field
The utility model relates to the technical field of bridge cantilever construction facilities, in particular to a hanging basket hanging belt height adjusting device for bridge cantilever construction.
Background
Along with the rapid development of traffic construction in China, the large-span bridge continuously appears, and the construction of the continuous beam cantilever has no influence on the road or the channel under the bridge due to the large spanning capacity, so that the construction of the continuous beam cantilever is adopted by more and more projects, and plays an irreplaceable role in the traffic development construction.
When the cantilever is constructed, a hanging basket is required to be used as a construction supporting structure, a bottom basket supported by a formwork is hung through a triangular or diamond truss framework arranged on a bridge deck and is used for pouring segmental beam concrete, the cantilever construction is generally a variable-section beam, the heights of all segmental beams are different, and a steel sling of the hanging structure is required to be adjusted at will within a height range. The existing construction method is that after the steel suspender is lifted by a jack to reach the design height, a plurality of layers of steel plates with proper thickness are padded at the position of the supporting seat, the construction is complicated, the stability of the plurality of layers of steel plates is poor, and the construction safety risk is high.
Patent publication No. CN217174395U discloses an adjustable hanging basket hanging belt device, wherein hanging belts are vertically arranged and arranged along the front-back direction, limiting holes are formed in the hanging belts along the left-right direction, and a plurality of limiting holes are vertically arranged at intervals; the upper part of the sling is vertically and movably penetrated with a cross beam, the upper end of the sling is exposed on the cross beam, the middle part of the transverse limiting piece is penetrated with a limiting hole in the upper end of the sling along the left-right direction, and the left-right ends of the transverse limiting piece are respectively positioned at the left side and the right side of the sling and are all propped against the cross beam; the left and right vertical limiting pieces are arranged at intervals along the left and right directions and are respectively positioned at the left side and the right side of the hanging strip, and the lower ends of the left and right vertical limiting pieces are respectively vertically inserted into the left and right ends of the transverse limiting piece. The hanging basket hanging belt with the structure needs to be lifted by a crane when the height is adjusted, the lifting adjustment precision is poor, the repeated adjustment is needed, the lifting technical requirement is high, and the construction efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the hanging basket hanging belt height adjusting device for bridge cantilever construction, which has the advantages of simple structure, high adjusting precision, convenient and quick construction, small construction investment and reusability.
In order to achieve the above purpose, the technical scheme adopted by the utility model for solving the technical problems is as follows: the hanging basket hanging belt height adjusting device for bridge cantilever construction comprises a lower supporting beam arranged on a cantilever beam body, the lower supporting beam is connected with an upper supporting beam through a jack, a wedge adjusting assembly is arranged on the lower supporting beam, the hanging belt sequentially penetrates through the cantilever beam body, the lower supporting beam, the wedge adjusting assembly and the upper supporting beam, the upper supporting beam is connected with the hanging belt through a pin shaft I, and the wedge adjusting assembly is connected with the hanging belt through a pin shaft II.
The wedge adjusting assembly comprises an upper wedge block, a lower wedge block and supporting blocks I and II, wherein the upper wedge block and the lower wedge block are used for enabling the hanging belt to penetrate through the inclined plane, the supporting blocks I and the supporting blocks II are used for being in plug-in connection with each other, the supporting blocks I and the supporting blocks II are connected through opposite-pull screws, and the top of the upper wedge block is connected with the hanging belt through a pin shaft II.
The upper wedge block and the lower wedge block are symmetrically arranged in the vertical direction, the longitudinal sections of the upper wedge block and the lower wedge block are isosceles trapezoids, and through holes for the hanging strips to pass through are formed in the middle parts of the upper wedge block and the lower wedge block.
The top of the upper wedge block is provided with two supporting plates I which are oppositely arranged, and positioning grooves I matched with the pin shafts II are formed in the two supporting plates I.
The support block I and the support block II are symmetrically arranged along the horizontal direction, and each support block I and each support block II comprise two inclined support surfaces which are respectively in sliding fit with the inclined surfaces of the upper wedge block and the lower wedge block.
The support block I and the support block II further comprise outer side support surfaces for pre-tightening the counter-pulling screw rods.
The two ends of the supporting block I and the two ends of the supporting block II are respectively connected through the opposite-pulling screw rods, and the two opposite-pulling screw rods are respectively located at a distance from the two sides of the hanging strip.
The lower supporting beam and the upper supporting beam are mutually parallel, two ends of the lower supporting beam are respectively connected with the upper supporting beam through jacks, and the wedge block adjusting assembly is arranged on the lower supporting beam between the two jacks.
The top of the upper supporting beam is provided with two supporting plates II which are oppositely arranged, and positioning grooves II matched with the pin shafts I are formed in the two supporting plates II.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the hanging strip passes through the height adjusting device and is positioned on the upper supporting beam, the height of the upper supporting beam is adjusted through the jack, so that the height of the hanging strip can be initially adjusted, the height of the hanging strip can be further positioned and limited through the wedge adjusting component arranged on the lower supporting beam, the accuracy of hanging strip height adjustment is improved, and the height adjusting device is convenient and quick to construct, small in construction investment and reusable.
2. The wedge block adjusting assembly comprises an upper wedge block, a lower wedge block, a supporting block I and a supporting block II which are symmetrically arranged up and down and left and right, wherein the supporting block I and the supporting block II are connected through a split bolt, the installation is convenient and quick, the universality is strong, the inclined surfaces of the adjusting blocks are tightly matched, the overall performance is excellent, the horizontal load can be resisted, and the stability under the working conditions of hanging basket running, pouring and the like is strong; the height of the upper wedge block used for positioning the hanging strip is adjusted through adjusting the split bolt, the adjusting mode is reliable, the friction force among the adjusting blocks can resist a part of vertical load, the pulling force of the split screw is greatly reduced, and the safety of the whole structure is further improved.
Drawings
The contents of the drawings and the marks in the drawings of the present specification are briefly described as follows:
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1 with the wedge adjustment assembly at a lowermost condition;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 1 with the wedge adjustment assembly in a highest position;
the labels in the above figures are: 1. cantilever beam body, lower support beam, 3 jack, 4 upper support beam, 41 support plate II, 42 locating slot II, 5 wedge adjusting component, 51 upper wedge, 511 through hole, 512 support plate I, 513 locating slot I, 52 lower wedge, 53 support block I, 531 inclined support surface, 532 outer support surface, 54 support block II, 55 counter-pulling screw, 6 sling, 7 pin I, 8 pin II.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The technical scheme of the utility model is as follows: as shown in fig. 1 to 3, the utility model provides a hanging basket hanging belt height adjusting device for bridge cantilever construction, which comprises a lower supporting beam 2 arranged on a cantilever beam body 1, wherein the lower supporting beam 2 is connected with an upper supporting beam 4 through a jack 3, a wedge block adjusting assembly 5 is arranged on the lower supporting beam 2, a hanging belt 6 sequentially penetrates through the cantilever beam body 1, the lower supporting beam 2, the wedge block adjusting assembly 5 and the upper supporting beam 4, a plurality of pin holes are formed in the hanging belt 6 at intervals along the length direction of the hanging belt 6, the upper supporting beam 4 is connected with corresponding pin holes in the hanging belt 6 through a pin shaft I7, and the wedge block adjusting assembly 5 is connected with corresponding pin holes in the hanging belt 6 through a pin shaft II 8.
According to the utility model, a hanging strip 6 sequentially passes through a cantilever beam body 1, a lower supporting beam 2, a wedge block adjusting assembly 5 and an upper supporting beam 4 through a lifting device and then is positioned on the upper supporting beam 4 through a pin shaft I7; the height of the upper supporting beam 4 is adjusted through the jack 3, so that the height of the hanging strip 6 can be primarily adjusted; the height of the hanging strip 6 is further limited by the wedge block adjusting component 5 arranged on the lower supporting beam 2, the height adjusting precision of the hanging strip 6 is improved, and the height adjusting device is convenient and quick to construct, small in construction investment and capable of being reused.
Specifically, the wedge adjusting assembly 5 comprises an upper wedge 51, a lower wedge 52 and supporting blocks I53 and II 54, wherein the upper wedge 51 and the lower wedge 52 are matched with each other in an inclined plane, the supporting blocks I53 and II 54 are matched with each other in an inserting mode, the supporting blocks I53 and II 54 are connected through a counter-pulling screw 55, and the top of the upper wedge 51 is connected with the hanging strip 6 through a pin shaft II 8. The distance between the supporting block I53 and the supporting block II 54 can be adjusted by screwing an adjusting nut on the adjusting counter-pulling screw 55, the height of the upper wedge block 51 matched with the supporting block I53 and the supporting block II 54 can be adjusted due to the fact that the lower wedge block 52 is arranged on the lower supporting beam 2, and the elevation of the hanging strip 6 can be stably limited due to the fact that the upper wedge block 51 is connected with the hanging strip 6 through the pin shaft II 8.
The upper wedge block 51 and the lower wedge block 52 are symmetrically arranged along the vertical direction, the longitudinal sections of the upper wedge block 51 and the lower wedge block 52 are isosceles trapezoids, through holes 511 for the hanging strip 6 to pass through are formed in the middle of the upper wedge block 51 and the lower wedge block 52, the sections of the through holes 511 are rectangular holes matched with the sections of the hanging strip 6, and the wedge block adjusting assembly 5 is not easy to deviate from the hanging strip 6 after being installed, so that the hanging strip 6 is prevented from being lost in the use process.
The top of the upper wedge block 51 is provided with two supporting plates I512 which are oppositely arranged, the two supporting plates I512 are provided with positioning grooves I513 which are matched with pin shafts II 8, after the height of the hanging belt 6 is adjusted under the action of the jack 3 and the upper supporting beam 4, the pin shafts II 8 are inserted and installed in the pin holes, close to the upper wedge block 51, of the hanging belt 6, and then an adjusting nut on the opposite-pull screw rod 55 is screwed and adjusted, so that the upper wedge block 51 ascends until the supporting plates I512 tightly prop up the pin shafts II 8, and the elevation of the hanging belt 6 can be stably limited.
The supporting blocks I53 and II 54 are symmetrically arranged along the horizontal direction, the supporting blocks I53 and II 54 comprise two inclined supporting surfaces 531 which are respectively in sliding fit with the inclined surfaces of the upper wedge block 51 and the lower wedge block 52, the upward lifting of the upper wedge block 51 can be ensured by screwing the adjusting nuts on the opposite-pull screw rods 55, the inclined surfaces of the adjusting blocks are tightly matched, the overall performance is excellent, the horizontal load can be resisted, and the stability is stronger under the working conditions of running, pouring and the like of the hanging basket. The supporting block I53 and the supporting block II 54 further comprise an outer supporting surface 532 for pre-tightening the counter-pulling screw 55, so that the adjusting nut is guaranteed to be abutted against the outer supporting surface 532, and the stability of height adjustment is guaranteed. Moreover, the two ends of the supporting block I53 and the supporting block II 54 are respectively connected through the opposite-pulling screw rods 55, and the two opposite-pulling screw rods 55 are respectively positioned at a distance from the two sides of the hanging strip 6, so that the problem of interference in height adjustment is avoided.
The wedge adjusting assembly 5 adjusts the height of the upper wedge 51 for positioning the hanging strip 6 by adjusting the adjusting nut on the split bolt, the adjusting mode is reliable, the friction force among a plurality of adjusting blocks can resist a part of vertical load, the pulling force of the split screw 55 is greatly reduced, and the safety of the whole structure is further improved.
Specifically, the lower supporting beam 2 and the upper supporting beam 4 are parallel to each other, two ends of the lower supporting beam 2 are respectively connected with the upper supporting beam 4 through the jacks 3, and the wedge adjusting assembly 5 is arranged on the lower supporting beam 2 between the two jacks 3, so that the whole height adjusting device is high in stability, and the height adjusting precision is guaranteed.
Specifically, wherein, the top of the upper supporting beam 4 is provided with two supporting plates II 41 which are oppositely arranged, two supporting plates II 41 are provided with locating grooves II 42 which are matched with pin shafts I7, the pin shafts I7 are inserted and installed in corresponding pin holes on the hanging belt 6, the hanging belt 6 is clamped in the locating grooves II 42 under the action of hanging baskets gravity, the preliminary installation of the hanging belt 6 can be realized, in addition, under the action of a jack 3, the jacking force of the supporting plates II 41 acts on the pin shafts I7 in the process of jacking the upper supporting beam 4, and the corresponding distance for lifting the hanging belt 6 is driven by the pin shafts I7 to finish the height adjustment of the hanging belt 6.
In addition, the height range of the wedge adjusting assembly 5 is not larger than the distance between the adjacent pin holes on the hanging strip 6, the distance between the adjacent pin holes on the hanging strip 6 is 10cm generally, the height of the wedge adjusting assembly 5 is 14 cm-24 cm, the adjustable range is 10cm, and the position adjustment between any pin holes on the hanging strip 6 can be met on the basis of guaranteeing the structural strength and stability of the wedge adjusting assembly 5, so that the hanging basket hanging strip 6 achieves the effect of random adjustment.
The use method of the height adjusting device is as follows: (1) mounting a height adjusting device: a lower support beam 2 is arranged on the top surface of the cantilever beam body 1, and jacks 3 are arranged at two ends of the lower support beam 2; placing a lower wedge block 52 on a lower supporting beam 2 between two jacks 3, sequentially placing a supporting block I53, a supporting block II 54 and an upper wedge block 51 on the lower wedge block 52, and connecting the supporting block I53 and the supporting block II 54 through a counter-pulling screw 55 and an adjusting nut to ensure that the height of a wedge block adjusting assembly 5 is the lowest (as shown in figure 2); a supporting beam 4 is arranged on the top of the jack 3; and (2) hanging basket hoisting and installing: after a hanging belt 6 sequentially passes through a cantilever beam body 1, a lower supporting beam 2, a wedge block adjusting assembly 5 and an upper supporting beam 4 through a lifting device, adjusting the lifting height of a hanging basket, and passing a pin shaft I7 through a corresponding pin hole on the hanging belt 6 to enable the pin shaft I7 to be clamped in a positioning groove II 42 of the upper supporting beam 4; (3) adjusting the height of the hanging basket: simultaneously, two jacks 3 are operated, under the action of an upper supporting beam 4 and a pin shaft I7, a hanging belt 6 is lifted, and a hanging basket at the bottom is driven to lift; after the height is adjusted to a proper level, a pin shaft II 8 is arranged in a pin hole on the sling 6 closest to the top of the wedge block adjusting assembly 5, and adjusting nuts on two opposite-pulling screws 55 are screwed simultaneously, so that a supporting block I53 and a supporting block II 54 are gradually centered and close to each other, and the upper wedge block 51 is lifted until the upper wedge block is tightly propped against the pin shaft II 8 (as shown in figure 3); (4) After the jack 3 is retracted, the upper supporting beam 4 and the pin shaft I7 are removed, and the hanging strip 6 is supported on the wedge adjusting component 5 by the pin shaft II 8, so that elevation adjustment of the hanging strip 6 is completed.
In combination, the utility model has the advantages of simple integral structure, high adjustment precision, convenient and quick construction, small construction investment and repeated utilization, and ensures the stability of the hanging basket under the working conditions of running, pouring and the like.
The foregoing is provided by way of illustration of the principles of the present utility model, and is not intended to be limited to the specific constructions and applications illustrated herein, but rather to all modifications and equivalents which may be utilized as fall within the scope of the utility model as defined in the claims.
Claims (10)
1. The utility model provides a hanging basket suspender height adjusting device for bridge cantilever construction, its characterized in that includes the lower supporting beam that sets up on the cantilever beam body, the lower supporting beam passes through the jack and links to each other with last supporting beam, install the voussoir adjusting part on the lower supporting beam, the suspender passes in proper order cantilever beam body, lower supporting beam, voussoir adjusting part and last supporting beam, it links to each other with the suspender to go up the supporting beam through round pin axle I, the voussoir adjusting part links to each other with the suspender through round pin axle II.
2. The hanging basket hanging strip height adjusting device for bridge cantilever construction according to claim 1, wherein: the wedge adjusting assembly comprises an upper wedge block, a lower wedge block and supporting blocks I and II, wherein the upper wedge block and the lower wedge block are used for enabling the hanging belt to penetrate through the inclined plane, the supporting blocks I and the supporting blocks II are used for being in plug-in connection with each other, the supporting blocks I and the supporting blocks II are connected through opposite-pull screws, and the top of the upper wedge block is connected with the hanging belt through a pin shaft II.
3. The hanging basket hanging strip height adjusting device for bridge cantilever construction according to claim 2, wherein: the upper wedge block and the lower wedge block are symmetrically arranged in the vertical direction, the longitudinal sections of the upper wedge block and the lower wedge block are isosceles trapezoids, and through holes for the hanging strips to pass through are formed in the middle parts of the upper wedge block and the lower wedge block.
4. The hanging basket hanging strip height adjusting device for bridge cantilever construction according to claim 2, wherein: the top of the upper wedge block is provided with two supporting plates I which are oppositely arranged, and positioning grooves I matched with the pin shafts II are formed in the two supporting plates I.
5. The hanging basket hanging strip height adjusting device for bridge cantilever construction according to claim 2, wherein: the support block I and the support block II are symmetrically arranged along the horizontal direction, and each support block I and each support block II comprise two inclined support surfaces which are respectively in sliding fit with the inclined surfaces of the upper wedge block and the lower wedge block.
6. The hanging basket hanging strip height adjusting device for bridge cantilever construction according to claim 5, wherein: the support block I and the support block II further comprise outer side support surfaces for pre-tightening the counter-pulling screw rods.
7. The hanging basket hanging strip height adjusting device for bridge cantilever construction according to claim 5, wherein: the two ends of the supporting block I and the two ends of the supporting block II are respectively connected through the opposite-pulling screw rods, and the two opposite-pulling screw rods are respectively located at a distance from the two sides of the hanging strip.
8. The hanging basket hanging strip height adjusting device for bridge cantilever construction according to claim 1, wherein: the lower supporting beam and the upper supporting beam are mutually parallel, two ends of the lower supporting beam are respectively connected with the upper supporting beam through jacks, and the wedge block adjusting assembly is arranged on the lower supporting beam between the two jacks.
9. The hanging basket hanging strip height adjusting device for bridge cantilever construction according to claim 1, wherein: the top of the upper supporting beam is provided with two supporting plates II which are oppositely arranged, and positioning grooves II matched with the pin shafts I are formed in the two supporting plates II.
10. The hanging basket hanging strip height adjusting device for bridge cantilever construction according to claim 1, wherein: the height adjustment range of the wedge adjusting assembly is not larger than the distance between adjacent pin holes on the hanging strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321067384.XU CN219710104U (en) | 2023-05-06 | 2023-05-06 | Hanging basket hanging belt height adjusting device for bridge cantilever construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321067384.XU CN219710104U (en) | 2023-05-06 | 2023-05-06 | Hanging basket hanging belt height adjusting device for bridge cantilever construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219710104U true CN219710104U (en) | 2023-09-19 |
Family
ID=88003852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321067384.XU Active CN219710104U (en) | 2023-05-06 | 2023-05-06 | Hanging basket hanging belt height adjusting device for bridge cantilever construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219710104U (en) |
-
2023
- 2023-05-06 CN CN202321067384.XU patent/CN219710104U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212247900U (en) | A artifical beam device that traverses that is used for bridge and tunnel zero distance to erect T roof beam | |
| CN214740171U (en) | Ancient building wall body hoist and mount migration device | |
| CN219710104U (en) | Hanging basket hanging belt height adjusting device for bridge cantilever construction | |
| CN219885459U (en) | Lifting appliance for upper structure of electrolytic tank | |
| CN217555572U (en) | Combined type hoisting device for I-shaped steel beam | |
| CN215925647U (en) | Arch rib buckle cable anchoring beam for tower buckle integration | |
| CN214087316U (en) | Be used for concrete box girder to demolish segment hoist device | |
| CN112502475B (en) | Supporting bearing capacity conversion device and using method thereof | |
| CN213563426U (en) | A suspension type platform for prefabricating prestressing force stretch-draw of bent cap | |
| CN219470709U (en) | Railway sound barrier stand column replacement device | |
| CN111827124A (en) | T-beam transverse prestress tensioning auxiliary device, mounting method and using method | |
| CN217458425U (en) | Lifting appliance for lifting bridge deck concrete baffle | |
| CN216303084U (en) | Portable hook device | |
| CN220149172U (en) | Profile steel carrying tool | |
| CN113184744B (en) | Auxiliary device suitable for center-penetrating jack and application method thereof | |
| CN215905711U (en) | Vertical lifting device of I-steel | |
| CN112340595B (en) | Steel beam hoisting device for bridge engineering and working method thereof | |
| CN219259294U (en) | I-steel or H-steel lifting appliance | |
| CN220747233U (en) | Steel construction factory building that can install fast | |
| CN221346357U (en) | Prestress tensioning operation platform | |
| CN213297278U (en) | Building fixed connection device capable of positioning | |
| CN218375119U (en) | Attached lifting scaffold | |
| CN214243664U (en) | Jacking device for detecting transport vehicle | |
| CN110921507B (en) | Steel column lifting stability control support and lifting method | |
| CN210369831U (en) | Supporting platform for steel structure factory building roof inner plate construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |