CN112744688B - Unhooking-prevention type multi-lifting-point synchronous lifting device for overhead bridge construction - Google Patents
Unhooking-prevention type multi-lifting-point synchronous lifting device for overhead bridge construction Download PDFInfo
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- CN112744688B CN112744688B CN202011599606.3A CN202011599606A CN112744688B CN 112744688 B CN112744688 B CN 112744688B CN 202011599606 A CN202011599606 A CN 202011599606A CN 112744688 B CN112744688 B CN 112744688B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses an anti-unhooking multi-hanging-point synchronous hoisting device used in the construction of an overhead bridge, relates to the technical field of bridge construction, and solves the problems that the currently used synchronous hoisting device mainly carries out balanced hoisting by synchronously lowering hanging wires on two sides and controlling the extending length of the hanging wires, and does not have the function of adjusting the intervals among all groups of hanging hooks through rapid automation. An anti-unhooking multi-hanging-point synchronous hoisting device for constructing an overhead bridge comprises a main board; the top ends of the front side and the rear side of the middle of the top of the main board are uniformly provided with vertical boards, and the middle of the top of each vertical board is fixedly provided with a top board; connecting plates are fixedly arranged at the bottoms of two sides of the main board; through being provided with regulating plate and connecting rod seat, for the lifting hook provides synchronous adjustment interval's function, utilize the pneumatic cylinder can cooperate short connecting rod A with the regulating plate downwardly moving, make each group lifting hook outwards evenly spread out through short connecting rod B, accomplish equidistant adjustment.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to an anti-unhooking multi-hanging-point synchronous hoisting device for constructing an overhead bridge.
Background
Viaducts, a bridge, generally means a bridge crossing deep-trench canyons to replace a high embankment, and a bridge crossing roads in urban bridges, are supported by high-supporting towers or struts, and when the viaduct is built, bridge fittings are required to be assembled and built by using hoisting devices.
The patent with the patent number of CN209259495U, for example, discloses a synchronous automatic unhooking device for hoisting multiple hoisting points in offshore construction, which comprises a frame (1), wherein a plurality of release mechanisms (2) are uniformly distributed on the outer edge of the lower surface of the frame (1), and the release mechanisms (2) are connected to a power mechanism (4) after being cascaded through a linkage rod (3); the stop rod (2.1) of the release mechanism (2) is vertically arranged, a hook structure is arranged at the bottom of the stop rod (2.1), the free end of a hook (2.2) is clamped in a hook groove of the hook structure at the bottom of the stop rod (2.1), the eccentric wheel assembly (2.3) comprises a base (2.3.1), a push rod (2.3.2) transversely movably connected to the base (2.3.1) in a penetrating way, and an eccentric wheel (2.3.3), and the wheel surface of the eccentric wheel (2.3.3) is in rolling contact with one end of the push rod (2.3.2); the other end of the push rod (2.3.2) is contacted with the top of the stop rod (2.1). The synchronous automatic unhooking device for the multi-hanging points in offshore construction hoisting is simple in structure, high in construction efficiency and good in effect. For example, patent publication No. 2
However, the synchronous hoisting device used at present mainly carries out balanced hoisting by synchronously lowering the hoisting wires at two sides and controlling the extension length of the hoisting wires, does not have the functions of adjusting the opening and closing states of the hoisting hooks synchronously because the space between the hoisting hooks of each group is not adjusted through rapid automation, and is not beneficial to keeping the balance of hoisting pieces, so that the prior requirements are not met, and the synchronous hoisting device with the anti-unhooking type multiple hoisting points for the construction of an overhead bridge is provided.
Disclosure of Invention
First technical problem
The utility model aims to provide an anti-unhooking multi-hanging-point synchronous hoisting device for building an overhead bridge, which solves the problems that the prior synchronous hoisting device proposed in the prior art mainly carries out balanced hoisting by synchronously lowering hanging wires on two sides and controlling the extension length of the hanging wires, does not have the function of adjusting the intervals among all groups of hanging hooks through rapid automation, is not beneficial to keeping the balance of hoisting pieces and does not have the function of synchronously adjusting the opening and closing states of the hanging hooks.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-unhooking multi-hanging-point synchronous hoisting device for constructing an overhead bridge comprises a main board; the main board also comprises a vertical board, a top board, side boards and a connecting board; the top ends of the front side and the rear side of the middle of the top of the main board are uniformly provided with vertical boards, the middle of the top of each vertical board is fixedly provided with a top board, and two sides of each vertical board are fixedly provided with side boards; connecting plates are fixedly arranged at the bottoms of two sides of the main board, and two groups of connecting seats are fixedly arranged at the inner sides of the bottoms of the two groups of connecting plates; the top of the main board is fixedly provided with a top frame, the top frame and the main board form an isosceles triangle structure, and an assembly seat is integrally arranged in the middle of the top frame; two groups of sliding seats are slidably arranged on two sides of the top of the main board through guide rails; the top of roof is fixed to be provided with the motor.
Preferably, the middle of the side plate is rotatably provided with a rotary cylinder through a bearing, and the middle of the rotary cylinder is in transmission connection with a bevel gear arranged on a motor rotating shaft; threaded holes are formed in the middle of two sides of the rotary cylinder, and the threaded holes of the two groups of rotary cylinders are opposite in rotation direction.
Preferably, the sliding seat further comprises an adjusting rod; the inner sides of the sliding seats are uniformly provided with adjusting rods, the outer sides of the inner ends of the two groups of adjusting rods are respectively provided with a thread structure, and the thread structures of the two groups of adjusting rods are opposite in rotation direction; the inner ends of the adjusting rods are rotatably arranged in threaded holes on two sides of the rotary cylinder through threaded connection; two groups of long connecting rods are rotatably arranged on two sides of the sliding seat through hinge connection, and a clamping plate is rotatably arranged at the bottom of each long connecting rod through hinge connection.
Preferably, the clamping plate further comprises a middle hole and a round groove; a middle hole is formed in the middle of the clamping plate; round grooves are formed in two sides of the bottom of the clamping plate, and the round grooves penetrate through two sides of the clamping plate to form through grooves.
Preferably, the top of the connecting seat is fixedly provided with guide rails, and ten groups of lifting hooks are slidably arranged on the top of the connecting seat through the guide rails; the top of the lifting hook is of a triangular bracket structure; the front side and the rear side of the bottom of the lifting hook are uniformly provided with a hook structure.
Preferably, guide rails are fixedly arranged on the inner sides of the connecting plates, and adjusting plates are slidably arranged on the inner sides of the two groups of connecting plates through the guide rails; the two sides of the bottom of the main board are rotatably provided with a short connecting rod A through hinge connection, the other ends of the short connecting rods A are additionally provided with a group of short connecting rods A through hinge connection, and the other ends of the additionally-arranged short connecting rods A are hinged with the top of the adjusting board; connecting strips are fixedly arranged between rotating shafts at the joints of the two groups of short connecting rods A, and the connecting strips are fixedly connected through connecting rods; the middle of the outer side of one group of the side sides of the connecting strip is rotatably provided with a hydraulic cylinder through hinge connection with one side of the top of the adjusting plate.
Preferably, the hook structure of the lifting hook is a plane structure, and the top parts of the hook structures of the lifting hook are all arc structures; the top parts of the hook structures of the hooks can be matched with the circular grooves; the bottom of the adjusting plate is provided with a connecting rod seat in a sliding manner through a guide rail, and a group of connecting rod seats in the middle are fixedly connected with the middle of the bottom of the adjusting plate; the two sides of the connecting rod seat are rotatably provided with a short connecting rod B through hinge connection, and the other end of the short connecting rod B is hinged with one side of the top of the lifting hook.
Preferably, the lifting hook further comprises a long lifting wire, a short lifting wire, a groove block and an inserting block; a long hanging wire and a short hanging wire are respectively hung in the two groups of hanging hook structures of the hanging hook; the end part of the long hanging wire is fixedly provided with a groove block, the middle of the top of the groove block is provided with a square groove, and the middle of the square groove penetrates through two sides of the groove block and is provided with two groups of round holes; the end part of the short suspension wire is fixedly provided with an inserting block, the main body of the inserting block is of a T-shaped structure, and round holes are formed in the middle of two sides of the bottom of the inserting block; the insert block can be inserted into the square groove of the groove block and fixedly connected with the round hole on the side face of the insert block through bolts passing through the groove block.
(III) beneficial effects
The utility model provides an anti-unhooking multi-hanging-point synchronous lifting device for the construction of an overhead bridge, which provides a synchronous distance adjusting function for lifting hooks by arranging an adjusting plate and a connecting rod seat, and utilizes a hydraulic cylinder to move the adjusting plate downwards by matching with a short connecting rod A, so that each group of lifting hooks are outwards and evenly spread by the short connecting rod B, the equidistant adjustment is completed, the adjustment is even, and a bridge frame can be conveniently lifted at multiple points.
Secondly, the setting of screens board and circular slot provides the anticreep function for the lifting hook, utilizes the motor to drive rotatory section of thick bamboo and rotates, can outwards support two sets of regulation poles, moves the screens board downwards, makes the circular slot laminating separate at the couple structure top of lifting hook, prevents that the suspension wire breaks away from; the hanging wire is divided into a long hanging wire and a short hanging wire, and can be fixed through the groove blocks and the inserting blocks in cooperation with bolts, so that convenience is provided for assembly, and the hanging wire is easier to hoist compared with the original sleeving mode.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an axial structure in an embodiment of the present utility model;
fig. 3 is a schematic view of a three-dimensional axis side structure of a motherboard in an embodiment of the present utility model;
fig. 4 is a schematic diagram of a three-dimensional bottom view structure of a motherboard in an embodiment of the present utility model;
FIG. 5 is a schematic view of a disassembled structure in an embodiment of the present utility model;
FIG. 6 is a schematic view of a partial enlarged structure of an embodiment of the present utility model;
FIG. 7 is a schematic view of a partial enlarged structure B according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a partial enlarged structure of C in an embodiment of the utility model;
in fig. 1 to 8, the correspondence between the component names or lines and the drawing numbers is:
1. a main board; 101. a riser; 102. a top plate; 103. a side plate; 104. a connecting plate; 2. a top frame; 3. a motor; 4. a rotary drum; 5. a sliding seat; 501. an adjusting rod; 6. a long connecting rod; 7. a clamping plate; 701. a middle hole; 702. a circular groove; 8. a connecting seat; 9. an adjusting plate; 10. a short connecting rod A; 11. a connecting strip; 12. a connecting rod; 13. a connecting rod seat; 1301. a short connecting rod B; 14. a lifting hook; 1401. a long suspension wire; 1402. a short suspension wire; 1403. a trough block; 1404. inserting blocks; 15. and a hydraulic cylinder.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 8, an embodiment of the present utility model provides: an anti-unhooking multi-hanging-point synchronous hoisting device for constructing an overhead bridge comprises a main board 1; the main board 1 also comprises a vertical board 101, a top board 102, a side board 103 and a connecting board 104; a vertical plate 101 is uniformly arranged at the top end of the front side and the rear side in the middle of the top of the main plate 1, a top plate 102 is fixedly arranged in the middle of the top of the vertical plate 101, and side plates 103 are fixedly arranged at two sides of the vertical plate 101; the middle of the side plate 103 is rotatably provided with a rotary cylinder 4 through a bearing, and the middle of the rotary cylinder 4 is in transmission connection with a bevel gear arranged on a rotating shaft of the motor 3; threaded holes are formed in the middle of two sides of the rotary cylinders 4, and the threaded holes of the two groups of rotary cylinders 4 are opposite in rotation direction; the bottoms of two sides of the main board 1 are fixedly provided with connecting plates 104, and the inner sides of the bottoms of the two groups of connecting plates 104 are fixedly provided with two groups of connecting seats 8; the top of the connecting seat 8 is fixedly provided with a guide rail, and ten groups of lifting hooks 14 are slidably arranged on the top of the connecting seat 8 through the guide rail; the top of the lifting hook 14 is of a triangular bracket structure; the front side and the rear side of the bottom of the lifting hook 14 are uniformly provided with a hook structure; the top of the main board 1 is fixedly provided with a top frame 2, the top frame 2 and the main board 1 form an isosceles triangle structure, and an assembly seat is integrally arranged in the middle of the top frame 2; two groups of sliding seats 5 are slidably arranged on two sides of the top of the main board 1 through guide rails; wherein, the sliding seat 5 further comprises an adjusting rod 501; the inner sides of the sliding seats 5 are uniformly provided with adjusting rods 501, the outer sides of the inner ends of the two groups of adjusting rods 501 are respectively provided with a thread structure, and the thread structures of the two groups of adjusting rods 501 are opposite in rotation direction; the inner ends of the adjusting rods 501 are rotatably arranged in threaded holes on two sides of the rotary cylinder 4 through threaded connection; two groups of long connecting rods 6 are rotatably arranged on two sides of the sliding seat 5 through hinge connection, and a clamping plate 7 is rotatably arranged at the bottom of each long connecting rod 6 through hinge connection; wherein, the clamping plate 7 also comprises a middle hole 701 and a round groove 702; a middle hole 701 is formed in the middle of the clamping plate 7; round grooves 702 are formed in two sides of the bottom of the clamping plate 7, and the round grooves 702 penetrate through two sides of the clamping plate 7 to form through grooves; the top of the top plate 102 is fixedly provided with a motor 3; wherein, the inner sides of the connecting plates 104 are fixedly provided with guide rails, and the inner sides of the two groups of connecting plates 104 are slidably provided with adjusting plates 9 through the guide rails; the two sides of the bottom of the main board 1 are rotatably provided with a short connecting rod A10 through hinge connection, the other ends of the short connecting rods A10 are additionally provided with a group of short connecting rods A10 through hinge connection, and the other ends of the additionally-arranged short connecting rods A10 are hinged with the top of the adjusting board 9; connecting strips 11 are fixedly arranged between rotating shafts at the two groups of connecting positions of the short connecting rod A10, and the connecting strips 11 are fixedly connected through connecting rods 12; the middle of the outer side of one group of the side sides of the connecting strip 11 is rotatably provided with a hydraulic cylinder 15 through a hinge connection with the top side of the adjusting plate 9.
The hook structure of the lifting hook 14 is a plane structure, and the top of the hook structure of the lifting hook 14 is an arc structure; the top of the hook structure of the hook 14 can be matched with the circular groove 702; the bottom of the adjusting plate 9 is provided with a connecting rod seat 13 in a sliding manner through a guide rail, and the middle group of connecting rod seats 13 is fixedly connected with the middle of the bottom of the adjusting plate 9; the two sides of the connecting rod seat 13 are rotatably provided with a short connecting rod B1301 through hinge connection, and the other end of the short connecting rod B1301 is hinged with one side of the top of the lifting hook 14.
The lifting hook 14 further comprises a long lifting wire 1401, a short lifting wire 1402, a groove block 1403 and an inserting block 1404; a long hanging wire 1401 and a short hanging wire 1402 are respectively hung in the two groups of hanging hook structures of the hanging hook 14; the end part of the long hanging wire 1401 is fixedly provided with a groove block 1403, the middle of the top of the groove block 1403 is provided with a square groove, and the middle of the square groove penetrates through two sides of the groove block 1403 and is provided with two groups of round holes; the end part of the short suspension wire 1402 is fixedly provided with an insert block 1404, the main body of the insert block 1404 is of a T-shaped structure, and a round hole is formed in the middle of two sides of the bottom of the insert block 1404; the insert block 1404 can be inserted into the square groove of the groove block 1403 and fixedly connected with the round hole on the side surface of the insert block 1404 by penetrating through the groove block 1403 through a bolt.
Working principle: when in use, the top frame 2 is fixedly assembled to the mechanical arm end of the crane for lifting; when the interval of the lifting hooks 14 needs to be adjusted, the hydraulic cylinders 15 are started, the connecting strips 11 are pushed by the hydraulic cylinders 15, and the main board 1 and the adjusting board 9 are pushed away by the short connecting rods A10 in the moving process of each group of connecting strips 11, so that the adjusting board 9 moves downwards; when the adjusting plates 9 move downwards, the adjusting plates 9 move the groups of connecting rod seats 13 downwards, the connecting rod seats 13 press the short connecting rods B1301 to extend to two sides, the groups of adjusting plates 9 slide and spread evenly, and the distance between the adjusting plates 9 is adjusted.
After the interval of each group of adjusting plates 9 is adjusted, a long hanging wire 1401 and a short hanging wire 1402 are arranged outside each group of lifting hooks 14, the long hanging wire 1401 and the short hanging wire 1402 of the same group of lifting hooks 14 are sleeved outside a bridge, an inserting block 1404 is inserted into a groove block 1403 to fix the bridge by using a bolt, then a motor 3 is started, a rotary drum 4 is driven to rotate by the motor 3, the rotary drum 4 moves the two groups of adjusting rods 501 outwards, so that the two groups of sliding seats 5 move outwards to press the long connecting rods 6 to clamp the clamping plates 7 downwards, the circular grooves 702 are opened on two sides of the lifting hooks 14 to fix the bridge, and unhooking phenomenon is prevented; the lifting device can be lifted by using the mechanical arm of the crane to lift.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. Synchronous hoist device of mousing-hook formula multiple suspension point that uses when building of overhead bridge, its characterized in that: comprises a main board (1); the main board (1) further comprises a vertical board (101), a top board (102), side boards (103) and a connecting board (104); a vertical plate (101) is uniformly arranged at the top end of the front side and the top end of the top middle of the main plate (1), a top plate (102) is fixedly arranged in the middle of the top of the vertical plate (101), and side plates (103) are fixedly arranged at two sides of the vertical plate (101); the bottoms of two sides of the main board (1) are fixedly provided with connecting plates (104), and the inner sides of the bottoms of the two groups of connecting plates (104) are fixedly provided with two groups of connecting seats (8); the top of the main board (1) is fixedly provided with a top frame (2), the top frame (2) and the main board (1) form an isosceles triangle structure, and an assembly seat is integrally arranged in the middle of the top frame (2); two groups of sliding seats (5) are slidably arranged on two sides of the top of the main board (1) through guide rails; a motor (3) is fixedly arranged at the top of the top plate (102);
the middle of the side plate (103) is rotatably provided with a rotary cylinder (4) through a bearing, and the middle of the rotary cylinder (4) is in transmission connection with a bevel gear arranged on a rotating shaft of the motor (3); threaded holes are formed in the middle of two sides of the rotary drums (4), and the threaded holes of the two groups of rotary drums (4) are opposite in rotation direction;
the sliding seat (5) further comprises an adjusting rod (501); the inner sides of the sliding seats (5) are uniformly provided with adjusting rods (501), the outer sides of the inner ends of the two groups of adjusting rods (501) are respectively provided with a thread structure, and the thread structures of the two groups of adjusting rods (501) are opposite in rotation direction; the inner ends of the adjusting rods (501) are rotatably arranged in threaded holes on two sides of the rotary cylinder (4) through threaded connection; two groups of long connecting rods (6) are rotatably arranged on two sides of the sliding seat (5) through hinge connection, and a clamping plate (7) is rotatably arranged at the bottom of each long connecting rod (6) through hinge connection;
the clamping plate (7) further comprises a middle hole (701) and a round groove (702); a middle hole (701) is formed in the middle of the clamping plate (7); round grooves (702) are formed in two sides of the bottom of the clamping plate (7), and the round grooves (702) penetrate through two sides of the clamping plate (7) to form through grooves;
the top of the connecting seat (8) is fixedly provided with a guide rail, and ten groups of lifting hooks (14) are slidably arranged on the top of the connecting seat (8) through the guide rail; the top of the lifting hook (14) is of a triangular bracket structure; the front side and the rear side of the bottom of the lifting hook (14) are uniformly provided with a hook structure;
guide rails are fixedly arranged on the inner sides of the connecting plates (104), and adjusting plates (9) are slidably arranged on the inner sides of the two groups of connecting plates (104) through the guide rails; the two sides of the bottom of the main board (1) are rotatably provided with short connecting rods A (10) through hinge connection, a group of short connecting rods A (10) are additionally arranged at the other ends of the short connecting rods A (10) through hinge connection, and the other ends of the additionally arranged short connecting rods A (10) are hinged with the top of the adjusting plate (9); connecting strips (11) are fixedly arranged between rotating shafts at the joints of the two groups of short connecting rods A (10), and the connecting strips (11) are fixedly connected through connecting rods (12); a hydraulic cylinder (15) is rotatably arranged between the middle of the outer side of one group of the side sides of the connecting strip (11) and one side of the top of the adjusting plate (9) through hinge connection;
the hook structure of the lifting hook (14) is of a plane structure, and the top parts of the hook structures of the lifting hook (14) are all of arc structures; the top parts of the hook structures of the hooks (14) can be matched with the circular grooves (702); the bottom of the adjusting plate (9) is provided with a connecting rod seat (13) in a sliding way through a guide rail, and the middle group of connecting rod seats (13) are fixedly connected with the middle of the bottom of the adjusting plate (9); the two sides of the connecting rod seat (13) are rotatably provided with a short connecting rod B (1301) through hinge connection, and the other ends of the short connecting rod B (1301) are hinged with one side of the top of the lifting hook (14);
the lifting hook (14) further comprises a long lifting wire (1401), a short lifting wire (1402), a groove block (1403) and an inserting block (1404); a long hanging wire (1401) and a short hanging wire (1402) are respectively hung in the two groups of hanging hook structures of the hanging hook (14); the end part of the long hanging wire (1401) is fixedly provided with a groove block (1403), a square groove is formed in the middle of the top of the groove block (1403), and the middle of the square groove penetrates through two sides of the groove block (1403) and is provided with two groups of round holes; the end part of the short suspension wire (1402) is fixedly provided with an inserting block (1404), the main body of the inserting block (1404) is of a T-shaped structure, and a round hole is formed in the middle of two sides of the bottom of the inserting block (1404); the insert block (1404) can be inserted into a square groove of the groove block (1403) and fixedly connected with round holes on the side surfaces of the insert block (1404) through bolts penetrating through the groove block (1403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011599606.3A CN112744688B (en) | 2020-12-30 | 2020-12-30 | Unhooking-prevention type multi-lifting-point synchronous lifting device for overhead bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011599606.3A CN112744688B (en) | 2020-12-30 | 2020-12-30 | Unhooking-prevention type multi-lifting-point synchronous lifting device for overhead bridge construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112744688A CN112744688A (en) | 2021-05-04 |
| CN112744688B true CN112744688B (en) | 2023-05-23 |
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|---|---|---|---|
| CN202011599606.3A Active CN112744688B (en) | 2020-12-30 | 2020-12-30 | Unhooking-prevention type multi-lifting-point synchronous lifting device for overhead bridge construction |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2827856B2 (en) * | 1993-12-08 | 1998-11-25 | 鹿島建設株式会社 | Hanging jig for ALC plate |
| CN201901510U (en) * | 2010-12-25 | 2011-07-20 | 中铁一局集团有限公司 | Hoisting rack for concrete sleeper |
| CN107089586B (en) * | 2017-05-03 | 2018-09-07 | 中建科技有限公司深圳分公司 | The suspender that liftable is adjusted and the tower crane tooling with the suspender |
| CN209275993U (en) * | 2018-11-15 | 2019-08-20 | 中国铁建大桥工程局集团有限公司 | A kind of mating suspension hook of bridge construction lifting machine |
| CN209668614U (en) * | 2018-12-19 | 2019-11-22 | 浙江科鑫重工有限公司 | A kind of Steel bar hanger |
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2020
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Inventor after: Qi Xiaoming Inventor after: Hu Hongxing Inventor after: Jiao Youjin Inventor after: Huang Haihu Inventor before: Huang Haihu |
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Effective date of registration: 20230506 Address after: No.269, Yingze street, Yingze District, Taiyuan City, Shanxi Province Applicant after: CHINA RAILWAY NO.3 ENGINEERING GROUP Co.,Ltd. Applicant after: NO.4 ENGINEERING CO.,LTD. OF CHINA RAILWAY NO.3 ENGINEERING GROUP CO.,LTD. Address before: Zhejiang weimasson Building Materials Technology Co., Ltd., No. 25, Shijing Road, Haichang street, Haining City, Jiaxing City, Zhejiang Province, 314000 Applicant before: Huang Haihu |
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