CN217896236U - Bridge prefabricated part strides interior horizontal flat turn hoist device - Google Patents
Bridge prefabricated part strides interior horizontal flat turn hoist device Download PDFInfo
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- CN217896236U CN217896236U CN202221242043.7U CN202221242043U CN217896236U CN 217896236 U CN217896236 U CN 217896236U CN 202221242043 U CN202221242043 U CN 202221242043U CN 217896236 U CN217896236 U CN 217896236U
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Abstract
The utility model discloses a bridge prefabricated component span-inside transverse flat-turning hoisting device; the hoisting device comprises a bridge girder erection machine, wherein the bridge girder erection machine comprises a main guide beam, a front supporting leg and a middle supporting leg which are arranged below the main guide beam; the top surfaces of the two ends of the first cross beam of the front supporting leg and the middle supporting leg are provided with reverse rollers; the two longitudinal moving truss cars at the top of the main guide beam respectively comprise a second cross beam and a bottom longitudinal moving trolley; a first crane trolley and a second crane trolley on the longitudinal moving truss trolley hoist the bridge prefabricated part through a steel wire pulley block hoist, and a front support leg and a middle support leg are respectively erected on a first pier capping beam and a second pier capping beam or a bridge floor; the rotary flange mechanisms are installed at the joints of different positions of the bridge girder erection machine, so that the horizontal hoisting angle of the bridge prefabricated part can be adjusted randomly, the process requirements of horizontal hoisting of the bridge prefabricated part across internal translation are met, the hoisting difficulty and safety risk are reduced, hoisting of the bridge prefabricated parts with different structural shapes can be met, and the application range is wide.
Description
Technical Field
The utility model relates to a bridge prefabricated component construction and installation technical field, more specifically the utility model relates to a bridge prefabricated component strides interior horizontal flat-turning hoist device that says so.
Background
With the increasingly wide construction of urban viaducts, in the field of erecting and hoisting of bridge prefabricated parts, in order to realize direct beam lifting and hoisting in a bridge girder erection machine span, a generally adopted method is a process method for obliquely hoisting the bridge prefabricated parts in a high-low mode. For some bridge prefabricated parts with special structural design and large lifting capacity, for example, after an edge beam anti-collision guardrail is prefabricated on the bridge prefabricated parts, in order to adapt to the hoisting requirement of the bridge prefabricated parts, a common method is to embed longitudinal sling groups serving as lifting lugs in webs on two sides of the prefabricated parts in an embedded mode. At the moment, the height of each strand of sling of the embedded sling group lifting lug can be changed by a conventional height inclined lifting process, so that the phenomenon of unbalanced stress is generated, and potential safety hazards exist. The width in the roadway formed by two main guide beams of the conventional bridge girder erection machine is limited, and the requirements of the bridge prefabricated part on cross-inner-plane translation hoisting and safe erection cannot be met.
Therefore, how to provide a simple structure is stable, can adjust the plane angle of frame bridge crane hoist and mount bridge prefabricated component relatively wantonly, and the expansion utilizes the wide effective space in the frame bridge crane tunnel, reduces the hoist and mount degree of difficulty, and can avoid the unbalanced risk of stress that the height hung to one side, satisfies the hoist device of interior horizontal flat turn hoist and mount of striding, is the problem that the skilled person in the art needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a bridge prefabricated component strides interior horizontal flat turn hoist device aims at solving above-mentioned technical problem.
In order to realize the purpose, the utility model adopts the following technical scheme:
a bridge prefabricated part cross-inside transverse flat-turning hoisting device comprises a bridge girder erection machine, wherein the bridge girder erection machine comprises a main guide beam, a front support leg and a middle support leg, wherein the front support leg and the middle support leg are arranged below the main guide beam; the top surfaces of two ends of the first cross beam of the front supporting leg and the middle supporting leg are respectively provided with a counter roller which is longitudinally driven forwards and backwards with the main guide beam; the number of the main guide beams is two, and the two rows of the main guide beams are arranged in parallel from left to right; the front ends and the rear ends of the two rows of main guide beams are respectively connected and fixed through an upper cross beam; the top of the main guide beam is provided with a longitudinal moving truss car capable of moving back and forth along the length direction of the main guide beam; the number of the longitudinal moving truss cars is two, each longitudinal moving truss car consists of a second cross beam and a bottom longitudinal moving trolley, and each second cross beam is provided with a first crane trolley and a second crane trolley respectively; the first hoisting trolley and the second hoisting trolley are both connected with a steel wire rope pulley block lifting appliance; the steel wire rope pulley block lifting appliance is used for lifting bridge prefabricated parts; the front support leg and the middle support leg are erected on the first pier capping beam and the second pier capping beam or the bridge floor respectively, and the bridge is characterized by further comprising a rotary flange mechanism;
the number of the rotary flange mechanisms is multiple, and the rotary flange mechanisms are respectively arranged at the connecting positions of the top surfaces of the two ends of the first cross beam and the reverse rollers, the connecting positions of the second cross beam and the bottom longitudinal movement trolley and the connecting positions of the top surfaces of the front end and the rear end of the main guide beam and the two ends of the upper cross beam on the front supporting leg and the middle supporting leg; the device is used for safely and conveniently adjusting the plane angle between each longitudinal mechanism and each transverse mechanism of the bridge girder erection machine, and expanding and utilizing the effective hoisting space of the bridge girder erection machine for realizing the cross-inside transverse flat-turning hoisting of the bridge prefabricated part.
Through the technical scheme, the utility model provides a bridge prefabricated part transversely rotates hoist device in striding, rotatory flange mechanism sets up front leg, the junction of the top surface of the first crossbeam both ends of well landing leg and the bottom of the return idler, the junction of the second crossbeam and the bottom longitudinal movement platform truck, the junction of the front and back end of main traverse beam and the both ends of upper traverse beam respectively; through the rotation setting of different plane angles of the rotary flange mechanism, the plane angles of each longitudinal part and each transverse part of the bridge girder erection machine can be adjusted randomly as required, so that the horizontal rotation angle of the bridge girder erection machine for hoisting the bridge prefabricated part can be adjusted safely and conveniently, the effective hoisting space of the bridge girder erection machine is expanded and utilized, the hoisting of bridge prefabricated parts with different structures and shapes is met, the application range is wide, the process requirement of directly horizontally hoisting a lifting beam in a span of the bridge prefabricated part is met, and the hoisting difficulty and risk are reduced.
Preferably, in the hoisting device for horizontal rotation of bridge prefabricated part inside span, transverse rails are laid on the tops of the first pier capping beam and the second pier capping beam or the top of the bridge deck, and the front support leg and the middle support leg can move in parallel on the transverse rails. The layout positions of the front supporting legs and the middle supporting legs can be quickly adjusted according to the length and the width of the hoisted bridge prefabricated part and the width of the cover beam.
Preferably, in the device for lifting the bridge prefabricated part through transverse rotation inside the bridge, the number of the wire rope pulley block lifting appliances is two, and the two wire rope pulley block lifting appliances are respectively connected to the first hoisting trolley and the second hoisting trolley.
Preferably, in the device for horizontally and horizontally lifting the bridge prefabricated part across the inside, the tail end of each wire rope pulley block lifting appliance is connected with a shackle.
Preferably, in the cross-inside horizontal rotation hoisting device for the bridge prefabricated part, sling group lifting lugs are pre-embedded in the bridge prefabricated part and are connected with the shackles in a buckling manner. The lifting lugs of the sling group are connected with the shackles in a buckling mode, so that hoisting preparation of the crane trolley on bridge prefabricated parts can be realized quickly, and the working efficiency is improved.
Preferably, in the hoisting device for horizontal rotation of bridge prefabricated part across the inside, the rotary flange mechanism comprises an upper flange seat, a lower flange seat, an upper flange plate and a lower flange plate which are symmetrically arranged;
when the rotary flange mechanism is arranged at the connecting part of the top surfaces of the two ends of the first cross beam on the front supporting leg and the middle supporting leg and the reverse roller, the upper flange seat is fixed at the bottom of the reverse roller, and the lower flange seats are respectively fixed on the top surfaces of the two ends of the first cross beam on the front supporting leg and the middle supporting leg; the upper flange plate is connected to the upper flange seat; the lower flange plate is connected to the lower flange seat; the lower flange plate is abutted against the end face of the upper flange plate and is connected with the upper flange plate through a fixed core shaft;
when the rotary flange mechanism is arranged at the joint of the second cross beam and the bottom longitudinal movement trolley, the upper flange seat is fixed on the bottom surface of the second cross beam, the lower flange seat is fixed on the bottom longitudinal movement trolley, the upper flange plate is connected to the upper flange seat, the lower flange plate is connected to the lower flange seat, and the lower flange plate is abutted to the end surface of the upper flange plate and connected through the fixed core shaft;
when the rotary flange mechanism is arranged at the connecting part of the front end and the rear end of the main guide beam and the two ends of the upper cross beam, the upper flange seats are fixed on the bottom surfaces of the two ends of the upper cross beam, the lower flange seats are fixed on the top surfaces of the two ends of the main guide beam, the upper flange plates are connected on the upper flange seats, the lower flange plates are connected on the lower flange seats, and the lower flange plates are connected with the end surfaces of the upper flange plates in a butt joint mode and are connected through the fixed core shaft.
The end faces of the upper flange plate and the lower flange plate are abutted and connected through the fixed core shaft, when the plane angle of the bridge girder erection machine needs to be adjusted, the outer ring positioning bolt for connecting the upper flange plate and the lower flange plate is loosened, when the front support leg or the middle support leg of the bridge girder erection machine is reversely transversely moved, the plane in contact with the upper flange plate and the lower flange plate can relatively rotate around the fixed core shaft, so that the plane angle between each longitudinal mechanism and each transverse mechanism of the bridge girder erection machine is adjusted, and the requirement for hoisting an effective plane space is met; and after the angle adjustment is finished, screwing the outer ring positioning bolts of the upper flange plate and the lower flange plate.
Note: the utility model discloses an upper flange seat and lower flange seat that mention in the rotary flange mechanism can be with the anti-gyro wheel, first crossbeam, the second crossbeam indulges the junction that moves the platform truck with the bottom, the bottom surface of second crossbeam, main traverse and upper traverse junction or the bottom surface integrated into one piece of upper traverse, can be fixed connection, also can be for dismantling the connection, can adjust according to actual need, as long as guarantee the terminal surface butt of upper flange dish and lower flange dish, and can loosen and connect behind the two positioning bolt, when relative reverse sideslip is made to preceding landing leg and well landing leg at the frame bridge crane, guarantee that the plane of upper flange dish and lower flange dish contact can round fixed core axle relative rotation axle.
Can know via foretell technical scheme, compare with prior art, the utility model discloses an interior horizontal flat turn hoist device is striden to bridge prefabricated component has following beneficial effect:
1. simple structure is stable, can adjust the plane hoist and mount angle of frame bridge crane hoist and mount bridge prefabricated component relatively wantonly, realizes bridge prefabricated component's the interior flat-lift vertical lift hoist and mount of striding, reduces the hoist and mount degree of difficulty and effectively avoids the safety risk.
2. The cross-inner transverse flat-turn hoisting can ensure the safety and reliability of the hoisting process, and is also suitable for hoisting bridge prefabricated parts with different structures and shapes, and the application range is wide.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a bridge girder erection machine provided by the present invention;
FIG. 2 isbase:Sub>A schematic view of the structure of A-A in FIG. 1;
FIG. 3 is a schematic view of the structure of B-B in FIG. 1;
fig. 4 is a side view of the connection of the main beam and the cross beam provided by the present invention;
FIG. 5 is an enlarged view of section C of the drawing of FIG. 1 (a schematic view of the structure of the rotating flange mechanism);
fig. 6-8 are schematic structural views of a rotary flange mechanism provided by the present invention;
fig. 9-10 are schematic structural diagrams of the prefabricated members of the bridge hoisted by the steel wire rope pulley block sling provided by the present invention.
Wherein:
1-a main traverse beam;
2-front support leg;
21-a first beam; 22-counter roller;
3-middle support leg;
4-longitudinally moving the truss;
41-a second beam; 42-bottom longitudinal movement trolley;
5-a first lift car;
6-a second trolley;
7-a wire rope pulley block sling;
71-shackle;
8-bridge prefabricated parts;
81-sling group lifting lugs;
9-a first pier capping beam;
10-a second pier capping beam or bridge deck;
11-rotating flange mechanism;
111-upper flange mount; 112-lower flange seat; 113-an upper flange; 114-lower flange.
12-traversing rail;
13-upper beam;
14-fixed mandrel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to the attached drawings 1 to 7, the utility model discloses a bridge prefabricated part inter-span transverse flat-turning hoisting device, which comprises a bridge girder erection machine, wherein the bridge girder erection machine comprises a main guide beam 1, and a front landing leg 2 and a middle landing leg 3 which are arranged below the main guide beam 1; the top surfaces of two ends of a first beam 21 of the front supporting leg 2 and the middle supporting leg 3 are respectively provided with a counter roller 22 which is longitudinally driven forwards and backwards with the main guiding beam 1; the number of the main guide beams 1 is two, and the two main guide beams 1 are arranged in parallel left and right; the front end and the rear end of the two rows of main guide beams 1 are respectively connected and fixed through an upper cross beam 13; the top of the main guide beam 1 is provided with a longitudinal moving truss car 4 which can move back and forth along the length direction of the main guide beam; the number of the longitudinal moving truss cars 4 is two, each longitudinal moving truss car 4 consists of a second cross beam 41 and a bottom longitudinal moving trolley 42, and each second cross beam 41 is provided with a first lifting trolley 5 and a second lifting trolley 6 respectively; the first hoisting trolley 5 and the second hoisting trolley 6 are both connected with a steel wire rope pulley block lifting appliance 7; the steel wire rope pulley block lifting appliance 7 is used for lifting a bridge prefabricated part 8; the front supporting leg 2 and the middle supporting leg 3 are erected on a first pier capping beam 9 and a second pier capping beam or a bridge floor 10 respectively, and are characterized by further comprising a rotary flange mechanism 11;
the number of the rotary flange mechanisms 11 is multiple, and the rotary flange mechanisms 11 are respectively arranged at the connecting positions of the top surfaces of the two ends of the first cross beam 21 on the front supporting leg 2 and the middle supporting leg 3 and the counter rollers 22, the connecting positions of the second cross beam 41 and the bottom longitudinal movement trolley 42, and the connecting positions of the top surfaces of the front end and the rear end of the main guide beam 1 and the two ends of the upper cross beam 13; the device is used for safely and conveniently adjusting the plane angle between each longitudinal mechanism and each transverse mechanism of the bridge girder erection machine, and expanding and utilizing the effective hoisting space of the bridge girder erection machine for realizing the cross-inside transverse flat-turning hoisting of the bridge prefabricated part.
In order to further optimize the technical scheme, transverse rails 12 are laid on the tops of the first pier capping beam 9 and the second pier capping beam or the bridge floor 10, and the front support leg 2 and the middle support leg 3 can move on the transverse rails 12 in parallel.
In order to further optimize the technical scheme, the number of the wire rope pulley block lifting appliances 7 is two, and the two wire rope pulley block lifting appliances are respectively connected to the first hoisting trolley 5 and the second hoisting trolley 6.
In order to further optimize the technical scheme, the tail end of each wire rope pulley block lifting appliance 7 is connected with a shackle 71.
In order to further optimize the technical scheme, lifting eyes 81 of a sling group are pre-embedded on the bridge prefabricated part 8, and the lifting eyes 81 of the sling group are connected with the shackles 71 in a buckling manner.
In order to further optimize the above technical solution, the rotating flange mechanism 11 includes an upper flange seat 111, a lower flange seat 112, an upper flange 113 and a lower flange 114 which are symmetrically arranged;
when the rotary flange mechanism 11 is installed at the connecting part of the top surfaces of the two ends of the first cross beam 21 on the front supporting leg 2 and the middle supporting leg 3 and the counter roller 22, the upper flange seat 111 is fixed at the bottom of the counter roller 22, and the lower flange seats 112 are respectively fixed on the top surfaces of the two ends of the first cross beam 21 on the front supporting leg 2 and the middle supporting leg 3; the upper flange plate 113 is connected to the upper flange seat 111; the lower flange plate 114 is connected to the lower flange seat 112; the lower flange plate 114 is abutted against the end face of the upper flange plate 113 and is connected through the fixed core shaft 14;
when the rotary flange mechanism 11 is installed at the connection position of the second beam 41 and the bottom longitudinal movement trolley 42, the upper flange seat 111 is fixed on the bottom surface of the second beam 41, the lower flange seat 112 is fixed on the bottom longitudinal movement trolley 42, the upper flange plate 113 is connected on the upper flange seat 111, the lower flange plate 114 is connected on the lower flange seat 112, and the lower flange plate 114 is abutted against the end surface of the upper flange plate 113 and is connected through the fixed core shaft 14;
when the rotary flange mechanism 11 is installed at the connection between the front and rear ends of the main girder 1 and the two ends of the upper girder 13, the upper flange seat 111 is fixed on the bottom surface of the two ends of the upper girder 13, the lower flange seat 112 is fixed on the top surface of the two ends of the main girder 1, the upper flange 113 is connected on the upper flange seat 111, the lower flange 114 is connected on the lower flange seat 112, and the lower flange 114 is connected with the end surface of the upper flange 113 in a butting manner through the fixed core shaft 14.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed in the embodiment corresponds to the method disclosed in the embodiment, so that the description is simple, and the relevant points can be referred to the description of the method part.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A bridge prefabricated part cross-inside transverse flat-turning hoisting device comprises a bridge girder erection machine, wherein the bridge girder erection machine comprises a main guide beam (1), and a front supporting leg (2) and a middle supporting leg (3) which are arranged below the main guide beam (1); the top surfaces of two ends of a first cross beam (21) of the front supporting leg (2) and the middle supporting leg (3) are respectively provided with a counter roller (22) which realizes longitudinal front-back driving with the main guide beam (1); the number of the main guide beams (1) is two, and the two rows of the main guide beams (1) are arranged in parallel left and right; the front end and the rear end of the two rows of main guide beams (1) are respectively connected and fixed through an upper cross beam (13); the top of the main guide beam (1) is provided with a longitudinal moving truss car (4) which can move back and forth along the length direction of the main guide beam; the number of the longitudinal moving truss cars (4) is two, each longitudinal moving truss car (4) consists of a second cross beam (41) and a bottom longitudinal moving trolley (42), and each second cross beam (41) is provided with a first crane trolley (5) and a second crane trolley (6) respectively; the first hoisting trolley (5) and the second hoisting trolley (6) are both connected with a steel wire rope pulley block lifting appliance (7); the steel wire rope pulley block lifting appliance (7) is used for lifting a bridge prefabricated part (8); the front supporting legs (2) and the middle supporting legs (3) are erected on a first pier capping beam (9) and a second pier capping beam or a bridge floor (10) respectively, and the bridge pier is characterized by further comprising a rotary flange mechanism (11);
the number of the rotary flange mechanisms (11) is multiple, the rotary flange mechanisms (11) are respectively arranged at the joint of the top surfaces of the two ends of the first cross beam (21) and the counter roller (22), the joint of the second cross beam (41) and the bottom longitudinal movement trolley (42) and the joints of the top surfaces of the front end and the rear end of the main guide beam (1) and the two ends of the upper cross beam (13) on the front supporting leg (2) and the middle supporting leg (3); the lifting mechanism is used for adjusting the plane angle between each longitudinal mechanism and each transverse mechanism of the bridge girder erection machine and expanding the effective lifting space for realizing the cross-inside transverse flat-turning lifting of the bridge girder prefabricated part (8) by utilizing the bridge girder erection machine.
2. An inner-span transverse flat-turning hoisting device for bridge prefabricated parts as claimed in claim 1, characterized in that the top of the first pier capping beam (9) and the top of the second pier capping beam or the bridge deck (10) are laid with a transverse rail (12), and the front leg (2) and the middle leg (3) can move in parallel on the transverse rail (12).
3. The device for hoisting bridge precast element transversely and horizontally turns over in span according to claim 1, characterized in that the number of the wire rope pulley block hangers (7) is two, and the wire rope pulley block hangers are respectively connected to the first crane trolley (5) and the second crane trolley (6).
4. The device for horizontally turning and hoisting bridge prefabricated parts inside according to claim 3, wherein a shackle (71) is connected to the tail end of each wire rope pulley block hanger (7).
5. The device for horizontally turning and lifting bridge prefabricated parts across the interior according to claim 4, wherein lifting eyes (81) of a sling group are pre-embedded in the bridge prefabricated parts (8), and the lifting eyes (81) of the sling group are buckled with the shackles (71).
6. The device for horizontally turning and hoisting bridge prefabricated parts across the inside according to claim 1, wherein the rotating flange mechanism (11) comprises an upper flange seat (111), a lower flange seat (112), an upper flange plate (113) and a lower flange plate (114) which are symmetrically arranged;
when the rotary flange mechanism (11) is arranged at the connecting part of the top surfaces of the two ends of the first cross beam (21) on the front supporting leg (2) and the middle supporting leg (3) and the counter roller (22), the upper flange seat (111) is fixed at the bottom of the counter roller (22), and the lower flange seats (112) are respectively fixed on the top surfaces of the two ends of the first cross beam (21) on the front supporting leg (2) and the middle supporting leg (3); the upper flange plate (113) is connected to the upper flange seat (111); the lower flange plate (114) is connected to the lower flange seat (112); the lower flange plate (114) is abutted against the end face of the upper flange plate (113) and is connected with the end face of the upper flange plate through a fixed core shaft (14);
when the rotary flange mechanism (11) is arranged at the joint of the second cross beam (41) and the bottom longitudinal movement trolley (42), the upper flange seat (111) is fixed on the bottom surface of the second cross beam (41), the lower flange seat (112) is fixed on the bottom longitudinal movement trolley (42), the upper flange plate (113) is connected on the upper flange seat (111), the lower flange plate (114) is connected on the lower flange seat (112), and the lower flange plate (114) is abutted against the end surface of the upper flange plate (113) and is connected through the fixed core shaft (14);
work as rotatory flange mechanism (11) are installed the front and back end of leading beam (1) with during the junction at entablature (13) both ends, upper flange seat (111) are fixed the bottom surface at entablature (13) both ends, lower flange seat (112) are fixed on the top surface at leading beam (1) both ends, upper flange dish (113) are connected on upper flange seat (111), lower flange dish (114) are connected on lower flange seat (112), lower flange dish (114) with the terminal surface butt of upper flange dish (113) is connected through fixed core axle (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221242043.7U CN217896236U (en) | 2022-05-20 | 2022-05-20 | Bridge prefabricated part strides interior horizontal flat turn hoist device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221242043.7U CN217896236U (en) | 2022-05-20 | 2022-05-20 | Bridge prefabricated part strides interior horizontal flat turn hoist device |
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| CN217896236U true CN217896236U (en) | 2022-11-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808736A (en) * | 2022-05-20 | 2022-07-29 | 中昕重工(宁波)有限公司 | Bridge prefabricated part cross-inside transverse flat-turning hoisting device and hoisting process method |
| CN114808736B (en) * | 2022-05-20 | 2024-04-12 | 中昕重工(宁波)有限公司 | Bridge prefabricated part inner-span transverse horizontal rotation hoisting device and hoisting process method |
-
2022
- 2022-05-20 CN CN202221242043.7U patent/CN217896236U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808736A (en) * | 2022-05-20 | 2022-07-29 | 中昕重工(宁波)有限公司 | Bridge prefabricated part cross-inside transverse flat-turning hoisting device and hoisting process method |
| CN114808736B (en) * | 2022-05-20 | 2024-04-12 | 中昕重工(宁波)有限公司 | Bridge prefabricated part inner-span transverse horizontal rotation hoisting device and hoisting process method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |