阅读说明：本技术 一种高架桥梁的搭建时用的防脱钩式多吊点同步吊装装置 (Unhooking-proof type multi-lifting-point synchronous hoisting device used during construction of overhead bridge ) 是由 黄海湖 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种高架桥梁的搭建时用的防脱钩式多吊点同步吊装装置,涉及桥梁建设技术领域,解决了目前使用的同步吊装装置主要通过同步在两侧下放吊线并控制吊线的伸出长度进行平衡吊装,不具备通过快速自动化的调整各组吊钩之间的间距的问题。一种高架桥梁的搭建时用的防脱钩式多吊点同步吊装装置,包括主板；所述主板的顶部中间前后侧顶端均一体式设置有竖板,且竖板的顶部中间固定设置有顶板；所述主板的两侧底部均固定设置有连接板；通过设置有调节板和连杆座,为吊钩提供了同步调整间距的功能,利用液压缸可以配合短连杆A将调节板向下移动,通过短连杆B使各组吊钩向外均匀摊开,完成等间距调整。(The invention discloses an anti-unhooking type multi-hanging-point synchronous hoisting device for construction of an overhead bridge, relates to the technical field of bridge construction, and solves the problem that the existing synchronous hoisting device mainly carries out balanced hoisting by synchronously lowering hanging wires at two sides and controlling the extending lengths of the hanging wires, and does not adjust the distance between each group of hanging hooks rapidly and automatically. An anti-unhooking type multi-lifting-point synchronous hoisting device used in the construction of an elevated 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 plates, and a top plate is fixedly arranged in the middle of the top of each vertical plate; the bottoms of the two sides of the main board are both fixedly provided with connecting plates; through being provided with regulating plate and connecting rod seat, for the lifting hook provides the function of synchronous adjustment interval, utilize the pneumatic cylinder can cooperate short connecting rod A with regulating plate downstream, make each group's lifting hook outwards evenly spread out through short connecting rod B, accomplish equidistant adjustment.)

1. The utility model provides a unhook-proof formula many hoisting points synchronous hoist device that uses during the construction of overhead bridge which characterized in that: comprises a main board (1); the main board (1) further 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 of 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 on two sides of the vertical plate (101); the bottom parts of the two sides of the main board (1) are respectively and fixedly provided with a connecting plate (104), and the inner sides of the bottom parts of the two groups of connecting plates (104) are respectively and 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 arranged on two sides of the top of the main board (1) in a sliding manner through guide rails; and the top of the top plate (102) is fixedly provided with a motor (3).

2. The unhooking-proof multi-lifting-point synchronous hoisting device used during the construction of the elevated bridge according to claim 1, which is characterized in that: 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 each rotary cylinder (4), and the threaded holes of the two groups of rotary cylinders (4) are opposite in rotation direction.

3. The unhooking-proof multi-lifting-point synchronous hoisting device used during the construction of the elevated bridge according to claim 1, which is characterized in that: the sliding seat (5) also 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 provided with thread structures, and the thread structures of the two groups of adjusting rods (501) are opposite in turning 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 sides of the sliding seat (5) are respectively provided with two groups of long connecting rods (6) in a hinged connection and rotation mode, and the bottoms of the long connecting rods (6) are provided with clamping plates (7) in a hinged connection and rotation mode.

4. The unhooking-proof multi-lifting-point synchronous hoisting device used during the construction of the elevated bridge according to claim 3, wherein: the clamping plate (7) further comprises a middle hole (701) and a circular groove (702); the middle of the clamping plate (7) is provided with a middle hole (701); circular slots (702) are formed in two sides of the bottom of the clamping plate (7), and the two sides, penetrating through the clamping plate (7), of the circular slots (702) are arranged to be through slots.

5. The unhooking-proof multi-lifting-point synchronous hoisting device used during the construction of the elevated bridge according to claim 1, which is characterized in that: guide rails are fixedly arranged at the tops of the connecting seats (8), and ten groups of lifting hooks (14) are arranged at the tops of the connecting seats (8) in a sliding mode through the guide rails; 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 integrally provided with hook structures.

6. The unhooking-proof multi-lifting-point synchronous hoisting device used during the construction of the elevated bridge according to claim 1, which is characterized in that: guide rails are fixedly arranged on the inner sides of the connecting plates (104), and adjusting plates (9) are arranged on the inner sides of the two groups of connecting plates (104) in a sliding mode through the guide rails; two sides of the bottom of the main board (1) are rotatably provided with short connecting rods A (10) through hinged connection, the other ends of the short connecting rods A (10) are additionally provided with a group of short connecting rods A (10) through hinged connection, and the other ends of the additionally provided short connecting rods A (10) are hinged with the top of the adjusting plate (9); the middle of the rotating shaft at the two groups of joints of the short connecting rod A (10) is fixedly provided with a connecting strip (11), and the connecting strips (11) are fixedly connected through a connecting rod (12); the middle of the outer side of one group of the connecting strips (11) and the top of the adjusting plate (9) are rotatably provided with a hydraulic cylinder (15) through hinged connection.

7. The unhooking-proof multi-lifting-point synchronous hoisting device used during the construction of the elevated bridge according to claim 5, wherein: 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 lifting 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 way through a guide rail, and the connecting rod seats (13) in the middle group 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 short connecting rods B (1301) through hinged connection, and the other ends of the short connecting rods B (1301) are hinged to one side of the top of the lifting hook (14).

8. The unhooking-proof multi-lifting-point synchronous hoisting device used during the construction of the elevated bridge according to claim 7, wherein: the lifting hook (14) also comprises a long lifting wire (1401), a short lifting wire (1402), a groove block (1403) and an inserting block (1404); the two groups of hook structures of the hook (14) are respectively provided with a long suspension wire (1401) and a short suspension wire (1402); a groove block (1403) is fixedly arranged at the end part of the long suspension wire (1401), a square groove is formed in the middle of the top of the groove block (1403), and two groups of round holes are formed in the middle of the square groove and penetrate through two sides of the groove block (1403); an inserting block (1404) is fixedly arranged at the end part of the short suspension wire (1402), the main body of the inserting block (1404) is of a T-shaped structure, and round holes are formed in the middles of two sides of the bottom of the inserting block (1404); the insert block (1404) can be inserted into the square groove of the groove block (1403) and fixedly connected with the side round hole of the insert block (1404) through a bolt passing through the groove block (1403).

Technical Field

The invention relates to the technical field of bridge construction, in particular to an anti-unhooking type multi-lifting-point synchronous hoisting device for constructing an overhead bridge.

Background

A viaduct is a bridge, generally refers to a bridge spanning deep ditches to replace a high embankment and a bridge spanning roads in an urban bridge, and is supported by a tower or a strut of a high support.

For example, patent No. CN209259495U 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 linkage rods (3); the stop rod (2.1) of the release mechanism (2) is vertically arranged, the bottom of the stop rod (2.1) is provided with a hook structure, 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 manner, 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 lever (2.1). The utility model relates to a synchronous automatic unhooking device of many hoisting points of offshore construction hoist and mount, simple structure, the efficiency of construction is high and effectual. Further, for example, patent No. Hei discloses

However, the currently used synchronous hoisting device mainly performs balanced hoisting by synchronously lowering the hoisting wires at two sides and controlling the extension lengths of the hoisting wires, does not have the function of adjusting the distances between groups of lifting hooks through rapid and automatic adjustment, is not beneficial to keeping the balance of a hoisting part, and does not have the function of synchronously adjusting the opening and closing states of the lifting hooks, so that the existing requirements are not met, and the unhooking-proof multi-hoisting-point synchronous hoisting device for the construction of the overhead bridge is provided.

Disclosure of Invention

Problem (A)

The invention aims to provide an anti-unhooking type multi-hanging-point synchronous hoisting device for construction of an elevated bridge, and aims to solve the problems that the existing synchronous hoisting device proposed in the background art is mainly used for balanced hoisting by synchronously lowering hanging wires at two sides and controlling the extension lengths of the hanging wires, and does not have the functions of quickly and automatically adjusting the distances among groups of hanging hooks, being not beneficial to keeping the balance of a hoisting piece and synchronously adjusting the opening and closing states of the hanging hooks.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an anti-unhooking type multi-lifting-point synchronous hoisting device used in the construction of an elevated bridge comprises a main board; the main board also comprises a vertical plate, a top plate, a side plate and a connecting plate; a vertical plate is uniformly arranged at the top ends of the front side and the rear side in the middle of the top of the main plate, a top plate is fixedly arranged in the middle of the top of the vertical plate, and side plates are fixedly arranged on two sides of the vertical plate; the bottom parts of the two sides of the main board are respectively fixedly provided with a connecting plate, and the inner sides of the bottom parts of the two groups of connecting plates are fixedly provided with two groups of connecting seats; 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 the middle of the top frame is integrally provided with an assembling seat; two groups of sliding seats are arranged on two sides of the top of the main board in a sliding manner through guide rails; and a motor is fixedly arranged at the top of the top plate.

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 rotating shaft of a motor; threaded holes are formed in the middle of two sides of each rotary cylinder, and the threaded holes of the two groups of rotary cylinders are opposite in rotating direction.

Preferably, the sliding seat further comprises an adjusting rod; the inner side of the sliding seat is uniformly provided with adjusting rods in a body mode, the outer sides of the inner ends of the two groups of adjusting rods are provided with thread structures, and the thread structures of the two groups of adjusting rods are opposite in turning direction; the inner ends of the adjusting rods are rotatably arranged in threaded holes on two sides of the rotating cylinder through threaded connection; two sides of the sliding seat are respectively provided with two groups of long connecting rods in a hinged and rotating manner, and the bottoms of the long connecting rods are provided with clamping plates in a hinged and rotating manner.

Preferably, the clamping plate further comprises a middle hole and a circular groove; the middle of the clamping plate is provided with a middle hole; circular slots are formed in two sides of the bottom of the clamping plate, and the two sides, penetrating through the clamping plate, of the circular slots are arranged to form through slots.

Preferably, guide rails are fixedly arranged at the tops of the connecting seats, and ten groups of lifting hooks are arranged at the tops of the connecting seats in a sliding manner 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 integrally provided with hook structures.

Preferably, guide rails are fixedly arranged on the inner sides of the connecting plates, and adjusting plates are arranged on the inner sides of the two groups of connecting plates in a sliding manner through the guide rails; two sides of the bottom of the main plate are rotatably provided with short connecting rods A through hinged connection, the other ends of the short connecting rods A are additionally provided with a group of short connecting rods A through hinged connection, and the other ends of the additionally provided short connecting rods A are hinged with the top of the adjusting plate; the middle of the rotating shaft at the two groups of joints of the short connecting rod A is fixedly provided with a connecting strip, and the connecting strips are fixedly connected through a connecting rod; and the middle of the outer side of one group of connecting strip sides and one side of the top of the adjusting plate are rotatably provided with a hydraulic cylinder through hinge connection.

Preferably, the hook structure of the lifting hook is a plane structure, and the top of the hook structure of the lifting hook is an arc structure; the top of the hook structure of the lifting hook can be matched with the circular groove; the bottom of the adjusting plate is provided with a connecting rod seat in a sliding manner through a guide rail, and the middle group of connecting rod seats 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 short connecting rods B through hinged connection, and the other ends of the short connecting rods B are 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; the two groups of hook structures of the lifting hook are respectively provided with a long lifting wire and a short lifting wire; the end part of the long suspension wire is fixedly provided with a groove block, a square groove is formed in the middle of the top of the groove block, 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 insertion block, the main body of the insertion block is of a T-shaped structure, and the middle of two sides of the bottom of the insertion block is provided with a round hole; the insert block can be inserted into the square groove of the groove block and fixedly connected with the round hole in the side face of the insert block through a bolt.

(III) advantageous effects

The invention provides an anti-unhooking type multi-hanging-point synchronous hoisting device for construction of an overhead bridge, which provides a function of synchronously adjusting the spacing for hoisting hooks by arranging an adjusting plate and a connecting rod seat, utilizes a hydraulic cylinder to be matched with a short connecting rod A to move the adjusting plate downwards, and utilizes a short connecting rod B to uniformly spread the hoisting hooks outwards, so that equidistant adjustment is completed, uniform adjustment is realized, and the multi-point hoisting of a bridge frame can be facilitated.

Secondly, the clamping plate and the circular groove are arranged to provide an anti-falling function for the lifting hook, the motor is used for driving the rotary drum to rotate, the two groups of adjusting rods can be outwards supported, the clamping plate moves downwards, the circular groove is attached to the top of a hook structure of the lifting hook to be blocked, and the lifting line is prevented from being separated; the suspension wire divide into long suspension wire and short suspension wire to can cooperate the bolt fastening through groove block and inserted block, for the assembly provides convenience, it hoists more easily to compare original cover mode of establishing.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic axial side view of an embodiment of the present invention;

FIG. 3 is a schematic perspective side view of a motherboard according to an embodiment of the present invention;

FIG. 4 is a schematic bottom view of the motherboard according to the embodiment of the present invention;

FIG. 5 is a schematic perspective exploded view of an embodiment of the present invention;

FIG. 6 is an enlarged partial structural view of part A in the embodiment of the present invention;

FIG. 7 is an enlarged partial structural view of a portion B in the embodiment of the present invention;

FIG. 8 is an enlarged view of a portion C according to an embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a main board; 101. a vertical plate; 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. adjusting a 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 hook; 1401. long suspension wires; 1402. short suspension wires; 1403. a groove block; 1404. inserting a block; 15. and a hydraulic cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, an embodiment of the present invention includes: an unhooking-proof type multi-lifting-point synchronous hoisting device used in the construction of an elevated bridge comprises a main board 1; the main board 1 further comprises a vertical plate 101, a top plate 102, a side plate 103 and a connecting plate 104; a vertical plate 101 is uniformly arranged at the top end of the front side and the rear side of 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 on two sides of the vertical plate 101; wherein, 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 each rotary cylinder 4, and the threaded holes of the two groups of rotary cylinders 4 are opposite in rotation direction; the bottom parts of the two sides of the main board 1 are respectively fixedly provided with a connecting plate 104, and the inner sides of the bottom parts of the two groups of connecting plates 104 are fixedly provided with two groups of connecting seats 8; wherein, the top of the connecting base 8 is fixedly provided with guide rails, and the top of the connecting base 8 is provided with ten groups of lifting hooks 14 in a sliding manner through the guide rails; 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 provided with hook structures in a uniform manner; 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 the middle of the top frame 2 is integrally provided with an assembling seat; two groups of sliding seats 5 are arranged on two sides of the top of the main board 1 in a sliding manner through guide rails; wherein, the sliding seat 5 further comprises an adjusting rod 501; the inner sides of the sliding seats 5 are integrally provided with adjusting rods 501, the outer sides of the inner ends of the two groups of adjusting rods 501 are provided with thread structures, and the thread structures of the two groups of adjusting rods 501 are opposite in turning 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 sides of the sliding seat 5 are respectively provided with two groups of long connecting rods 6 in a hinged and rotary manner, and the bottoms of the long connecting rods 6 are provided with clamping plates 7 in a hinged and rotary manner; wherein, the clamping plate 7 also comprises a middle hole 701 and a circular groove 702; the middle of the clamping plate 7 is provided with a middle hole 701; circular grooves 702 are formed in two sides of the bottom of the clamping plate 7, and the circular grooves 702 penetrate through the two sides of the clamping plate 7 and are provided with 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 both fixedly provided with a guide rail, and the inner sides of the two groups of connecting plates 104 are provided with an adjusting plate 9 in a sliding way through the guide rails; two sides of the bottom of the main board 1 are rotatably provided with a short connecting rod A10 through hinged connection, the other end of the short connecting rod A10 is additionally provided with a group of short connecting rods A10 through hinged connection, and the other end of the additionally provided short connecting rod A10 is hinged with the top of the adjusting plate 9; the middle of the rotating shaft at the two groups of joints of the short connecting rod A10 is fixedly provided with a connecting strip 11, and the connecting strips 11 are fixedly connected by arranging a connecting rod 12; the middle of one group of outer sides of the connecting strips 11 and one side of the top of the adjusting plate 9 are rotatably provided with hydraulic cylinders 15 through hinged connection.

The hook structure of the hook 14 is a plane structure, and the top of the hook structure of the 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 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 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; the two groups of hook structures of the hook 14 are respectively provided with a long hanging wire 1401 and a short hanging wire 1402; a slot block 1403 is fixedly arranged at the end part of the long suspension wire 1401, a square slot is formed in the middle of the top of the slot block 1403, and two groups of round holes are formed in the middle of the square slot and penetrate through two sides of the slot block 1403; an inserting block 1404 is fixedly arranged at the end part of the short suspension wire 1402, the main body of the inserting block 1404 is of a T-shaped structure, and round holes are formed in the middles of two sides of the bottom of the inserting block 1404; the insertion block 1404 can be inserted into the square groove of the groove block 1403 and fixedly connected with the side round holes of the groove block 1403 and the insertion block 1404 through bolts.

The working principle is as follows: 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 cylinder 15 is started, the connecting strips 11 are pushed by the hydraulic cylinder 15, and each group of connecting strips 11 push the main board 1 and the adjusting plate 9 away through the short connecting rod A10 in the moving process, so that the adjusting plate 9 moves downwards; when the adjusting plate 9 moves downwards, the adjusting plate 9 moves the link seats 13 of each group downwards, the link seats 13 urge the short links B1301 to extend towards two sides, and the adjusting plates 9 of each group are uniformly spread out in a sliding manner, so that the distance adjustment of the adjusting plates 9 is completed.

After the distance between each group of adjusting plates 9 is adjusted, a long hanging wire 1401 and a short hanging wire 1402 are installed 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 the bridge, the inserting block 1404 is inserted into the groove block 1403 and fixed by bolts, the bridge is sleeved, then the motor 3 is started, the motor 3 is used for driving the rotating cylinder 4 to rotate, the rotating cylinder 4 moves the two groups of adjusting rods 501 outwards, the two groups of sliding seats 5 move outwards to force the long connecting rod 6 to tightly press the clamping plate 7 to move downwards, so that the circular grooves 702 are opened at two sides of the lifting hooks 14 and fixed, and the unhooking phenomenon is prevented; the hoisting device can be lifted by utilizing the mechanical arm of the crane for hoisting.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.