CN214269896U - Auxiliary device for hoisting bridge on bridge floor - Google Patents

Abstract

The utility model relates to an auxiliary device for hoist and mount bridge on bridge floor, it relates to the field that large-scale heavy object lifted by crane utensil, and it includes sets up two sets of coupling mechanism at least on waiting to install the bridge floor of bridge body, sets up a set of lifting hook main part at least on waiting to install the bridge floor of bridge body, sets up a plurality of slings on waiting to install the bridge floor of bridge body, each coupling mechanism include fixed block, fixed mounting on the bridge floor of waiting to install the bridge body lug on the fixed block and with what the lug was connected breaks out, the lifting hook main part is by two lifting hook monomer integrated into one piece, two the free coupler body of lifting hook sets up back to the back, and the free coupler of each lifting hook all upwards sets up, each the hoist cable cover is located on the lifting hook monomer, each the lower extreme and one of sling break out and connect. The application has the effect of improving the stability of the lifted heavy object.

Description

Auxiliary device for hoisting bridge on bridge floor

Technical Field

The application relates to the field of large-scale heavy object hoisting devices, in particular to an auxiliary device for hoisting a bridge on a bridge floor.

Background

The bridge body is generally installed in a segmented suspension splicing mode, the segmented suspension splicing mode is that the bridge body is divided into a plurality of segments, and the segments are respectively hoisted, connected through a hoisting device to form a pier.

As shown in fig. 1, there is one kind of existing bridge body to be installed, there are four temporary supporting blocks 8 fixedly installed on the main body bridge 7, the bridge body to be installed includes a middle bridge body 9 and two side section bridge bodies 10 which are arranged on the upper ends of the temporary supporting blocks 8, the length of the middle bridge body 9 is greater than the length of each side section bridge body 10, the four temporary supporting blocks 8 are arranged along the length direction of the main body bridge 7 at equal intervals, the middle bridge body 9 is fixedly connected to the upper ends of the two temporary supporting blocks 8 which are arranged on the middle portion of the main body bridge 7, the two side section bridge bodies 10 are respectively arranged on the two sides of the middle bridge body 9, and the two side section bridge bodies 10 are respectively arranged.

Chinese patent with publication number CN205906928U discloses a special lifting hook of lamination formula steelmaking, including the lifting hook body, the lifting hook body include the steel sheet that the multilayer stacked, one side of steel sheet be provided with the arch, the another side of steel sheet is provided with the recess, the steel sheet surface evenly is provided with the fixed orifices, the fixed orifices in be provided with the anchor round pin, the upper end of lifting hook body is provided with the lewis hole, the lower part of lifting hook body is provided with the coupler body, coupler body surface buckle be equipped with the protection welt, the section of protection welt be provided with U type structure, the both ends of protection welt are provided with the connecting plate, the connecting plate surface be provided with the connecting hole.

The above related technical solutions have the following drawbacks: the balance of the lifted weight is poor when the weight such as a bridge body to be installed is lifted by only one lifting hook body.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability by the heavy object of lifting by crane, this application provides an auxiliary device that is used for hoist and mount bridge on the bridge floor.

The application provides a pair of auxiliary device for hoisting bridge on bridge floor adopts following technical scheme:

the utility model provides an auxiliary device for hoist and mount bridge on bridge floor, includes and sets up two sets of coupling mechanism at least on waiting to install the bridge floor of bridge body, set up a set of lifting hook main part at least on waiting to install the bridge floor of bridge body, set up a plurality of hoist ropes on waiting to install the bridge floor of bridge body, each coupling mechanism include fixed connection fixed block on waiting to install the bridge floor of bridge body, fixed mounting lug on the fixed block and with what the lug was connected breaks out, the lifting hook main part is by two lifting hook monomer integrated into one piece, two the free coupler body of lifting hook sets up back to the back mutually, and the free coupler body of each lifting hook all upwards sets up, each the hoist rope cover is located on the lifting hook monomer, each the lower extreme and one of hoist rope break out and connect.

Through adopting above-mentioned technical scheme, when lifting by crane the installation pontic, treat to be provided with two sets of coupling assembling at least on the installation pontic, each unloads and detains and all is connected with a set of hoist cable, a plurality of sets of hoist cable evenly connect on two lifting hook monomers of each lifting hook main part, more sets of hoist cable can be connected on the one hand to two lifting hook monomers to improve the joint strength of lifting hook and side section pontic, in addition back of the body two lifting hook monomers that set up mutually can lift by crane the side section pontic more steadily.

Optionally, the two sides of the fixing block are fixedly connected with a reinforcing plate, and the reinforcing plate is fixedly connected to the bridge floor of the bridge to be installed.

Through adopting above-mentioned technical scheme, the setting of reinforcing plate for the fixed block is connected more firmly with the bridge floor of waiting to install the pontic.

Optionally, the middle part of each sling is twisted and spliced in a twist shape, and the splicing part in the middle part of each sling is welded and fixed.

By adopting the technical scheme, the connecting strength of the sling is enhanced, and the bridge body to be installed can be stably hoisted.

Optionally, each all be provided with on the shackle and be used for receiving and releasing the winding mechanism of hoist cable, winding mechanism is located including fixed cover connecting block on the shackle and set up in just be used for twining the first rotation pole of hoist cable in the connecting block, set up the recess of placing of upper end and external intercommunication on the connecting block, first rotation pole with the connecting block rotates to be connected, the body of rod of first rotation pole set up in place in the recess, be provided with the locking mechanism who is used for locking first rotation pole on the connecting block.

Through adopting above-mentioned technical scheme, winding mechanism's setting for the user needn't be through changing the hoist cable alright in order to change hoist cable length, has improved the convenience of this application.

Optionally, the winding mechanism still including rotate connect in the connecting block is kept away from the second dwang of first dwang one side, the second dwang set up in the connecting block, place the recess in two sets of have been seted up on the connecting block, the body of rod of second dwang set up in not being provided with first dwang place in the recess.

Through adopting above-mentioned technical scheme, the first dwang of user's accessible and second dwang tighten up two link of hoist cable lower extreme respectively, and the pulling force that receives the hoist cable on the one hand disperses, and the user can control the hoist cable more steadily, and on the other hand, the user is when rotating first dwang and second dwang, and rotation opposite direction between them for opposite direction when two link of hoist cable lower extreme receive and release, further make the user can control the hoist cable more steadily.

Optionally, be provided with a linkage cavity in the connecting block, winding mechanism still including set up in the linkage subassembly in the linkage cavity, the linkage subassembly is located including fixed cover first longitudinal bevel gear, fixed cover on the first dwang are located second longitudinal bevel gear on the second dwang, set up in first longitudinal bevel gear with horizontal bevel gear between the second longitudinal bevel gear, a drive rod is worn to be equipped with by fixed on the horizontal bevel gear, the drive rod rotate connect in the connecting block inner wall and with first dwang sets up perpendicularly, horizontal bevel gear both sides respectively with first longitudinal bevel gear with the meshing of second longitudinal bevel gear.

Through adopting above-mentioned technical scheme, the setting of linkage subassembly for the user only need through rotate first dwang or second dwang alright with carrying out the rolling with to the hoist cable, and the rotation opposite direction of first dwang or second dwang, make two link of hoist cable lower extreme can receive and release the hoist cable more steadily.

Optionally, first rotation pole one end runs through the connecting block lateral wall, locking mechanism includes first locking Assembly, first locking Assembly is including wearing to locate on the first rotation pole and with connecting block outer wall fixed connection's first locking piece, a connecting hole has been seted up on the first rotation pole, first locking piece has seted up the first block connecting hole of a plurality of along its outer wall circumference, a plurality of distance is equal between the first block connecting hole, first locking piece with be provided with first locking pole between the first rotation pole, work as first block connecting hole with connecting hole butt joint on the first rotation pole, first locking pole runs through connecting hole on the first rotation pole with first block connecting hole, first locking pole with first locking piece passes through bolt fixed connection.

Through adopting above-mentioned technical scheme, when the user need carry out rough length adjustment to the hoist cable, wear to locate connecting hole and the first block connecting hole on the first dwang with first locking lever for first dwang no longer rotates, and the second dwang with the linkage of first dwang also no longer rotates, and the hoist cable can keep corresponding length steadily.

Optionally, the second rotating end penetrates through the side wall of the connecting block, the locking mechanism further comprises a second locking assembly, the second locking component comprises a second locking block which is arranged on the second rotating rod in a penetrating way and is fixedly connected with the outer wall of the connecting block, a connecting hole is formed on the second rotating rod, a plurality of second block connecting holes are formed in the second locking block along the circumferential direction of the outer wall of the second rotating rod, the distance between the plurality of second block connecting holes is equal, the distance between the plurality of second block connecting holes is smaller than that between the first block connecting holes, a second locking rod is arranged between the second locking block and the second rotating rod, when connecting hole on the second dwang with second block connecting hole butt joint, the second locking lever runs through connecting hole on the second dwang with state second block connecting hole, the second locking lever with first locking block passes through bolt fixed connection.

Through adopting above-mentioned technical scheme, the user can carry out more subtle length adjustment to the hoist cable, wears to locate connecting hole and second block connecting hole on the second dwang with the second check lock pole for the second dwang no longer rotates, also does not rotate with the first dwang of second dwang linkage, and the hoist cable can keep corresponding length steadily.

Optionally, the first rotating rod and the second rotating rod are fixedly connected with a holding handle on the opposite side.

Through adopting above-mentioned technical scheme, the setting of gripping the handle, convenient to use person rotates first dwang and second dwang.

Drawings

Fig. 1 is a schematic structural diagram of a conventional object to be measured in the background art.

Fig. 2 is a schematic view of the entire structure of embodiment 1.

Fig. 3 is a partially enlarged view of a in fig. 2.

FIG. 4 is a schematic view showing the structure of a hook body in example 1.

FIG. 5 is a schematic view of the entire structure of embodiment 2.

Fig. 6 is a schematic view for embodying the connection of the winding mechanism to the shackle in embodiment 3.

Fig. 7 is a schematic structural view of the winding mechanism in embodiment 3.

Description of reference numerals: 1. a bridge body is to be installed; 2. a connecting mechanism; 21. a fixed block; 211. a reinforcing plate; 22. shackle dismounting; 23. lifting lugs; 3. a hook body; 31. a hook monomer; 32. protecting the lining plate; 4. a sling; 5. a winding mechanism; 51. connecting blocks; 511. placing a groove; 512. a linkage cavity; 52. a first rotating lever; 54. a second rotating lever; 55. a linkage assembly; 551. a first longitudinal bevel gear; 552. a second longitudinal bevel gear; 553. a transverse bevel gear; 554. driving the rod; 56. a grip handle; 6. a locking mechanism; 61. a first locking assembly; 611. a first locking block; 612. a first block connection hole; 614. a first locking lever; 62. a second locking assembly; 621. a second locking block; 622. a second block body connecting hole; 624. a second locking lever; 7. a main body bridge; 8. a temporary support block; 9. a middle bridge body; 10. and a side section bridge body.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses an auxiliary device for hoisting a bridge on a bridge floor.

Example 1:

referring to fig. 2, an auxiliary device for hoisting a bridge on a bridge deck comprises four groups of connecting mechanisms 2 arranged on the bridge deck of a side section bridge body 10, a hook main body 3 arranged above the side section bridge body 10, and a plurality of slings 4 arranged above the side section bridge body 10, wherein each sling 4 is connected between each group of connecting mechanisms 2 and the hook main body 3.

Referring to fig. 3, each set of connecting mechanism 2 includes a fixing block 21 welded to the bridge deck of the side-section bridge 10, two reinforcing plates 211 welded to the bridge deck of the side-section bridge 10, a lifting lug 23 fixedly mounted on the fixing block 21 by a bolt, and a shackle 22 with a lower end slidably sleeved in the lifting lug 23, wherein the two reinforcing plates 211 are welded to two sides of the fixing block 21 for reinforcing the connection strength between the fixing block 21 and the bridge deck.

Referring to fig. 3 and 4, the hook body 3 is formed by two single hook bodies 31, the hook bodies of the two single hook bodies 31 are arranged opposite to each other, the hook body of each single hook body 31 is arranged upwards, and the protective lining plate 32 is welded on the hook bodies of the two single hook bodies 31 for reducing the abrasion of the hook bodies of the single hook bodies 31. In order to strengthen the joint strength of hoist cable 4, all hoist cables 4 of this application all adopt and twine the back welded mode processing by two wire rope twist and form, 4 figure of hoist cable that set up on each lifting hook monomer 31 are unanimous, make lifting hook main part 3 can lift by crane to side section pontic 10 steadily, 4 pot heads of each hoist cable are located on the coupler body of lifting hook monomer 31, the middle part of each hoist cable 4 adopts the twist to twine the back welded mode of weaving and connecing and consolidates, two link of 4 lower extremes of each hoist cable are all fixed and are tied up in corresponding 22 upper ends of breaking out.

The implementation principle of the embodiment 1 is as follows: firstly, a user needs to determine the gravity center of the side section bridge body 10, four groups of connecting mechanisms 2 are installed at corresponding positions of the bridge deck of the side section bridge body 10 through gravity center measurement, two suspension ropes 4 are sleeved on a hook body of each suspension hook monomer 31, and one side section bridge body 10 is stably lifted through one suspension hook main body 3.

Example 2:

referring to fig. 5, the difference between this embodiment and embodiment 1 is that four sets of connection mechanisms 2 are disposed on the bridge deck of the middle bridge 9, two hook bodies 3 are disposed on the bridge deck of the middle bridge 9, and a sling 4 is sleeved on each hook body of each hook unit 31.

The implementation principle of the embodiment 2 is as follows: firstly, a user needs to determine the gravity center of the middle-section bridge body 9, four groups of connecting mechanisms 2 are installed at the corresponding positions of the bridge surface of the middle-section bridge body 9 through gravity center measurement, because the length of the middle-section bridge body 9 is greater than that of the side-section bridge body 10, a sling 4 is sleeved on the hook body of each hook monomer 31, and one middle-section bridge body 9 is stably lifted through two hook main bodies 3.

Example 3:

referring to fig. 6 and 7, the present embodiment is different from embodiment 1 in that each shackle 22 is provided with a winding mechanism 5, the winding mechanism 5 includes a connecting block 51 sleeved on the shackle 22, a first rotating rod 52 and a second rotating rod 54 disposed above the shackle 22 and in the connecting block 51 for unwinding the sling 4, the connecting block 51 is welded to the shackle 22, the axes of the first rotating rod 52 and the second rotating rod 54 are coincident, the first rotating rod 52 and the second rotating rod 54 are rotatably connected to the connecting block 51 through bearings, in order to prevent the suspension cable 4 wound around the first rotating rod 52 and the second rotating rod 54 from separating from the first rotating rod 52 and the second rotating rod 54, two placing grooves 511 are formed in the connecting block 51 along the length direction thereof, the upper end of each placing groove 511 is communicated with the outside, and the rod bodies of the first rotating rod 52 and the second rotating rod 54 are respectively arranged in one placing groove 511.

A linkage cavity 512 is arranged on the connecting block 51, the linkage cavity 512 is arranged between the two placing grooves 511, the connecting block 51 can be formed by welding at least two parts in the production and manufacturing process, the winding mechanism 5 further comprises a linkage assembly 55 disposed in the linkage cavity 512, the linkage assembly 55 comprises a first longitudinal bevel gear 551 fixedly sleeved on the first rotating rod 52, a second longitudinal bevel gear 552 fixedly sleeved on the second rotating rod 54, and a transverse bevel gear 553 disposed between the first longitudinal bevel gear 551 and the second longitudinal bevel gear 552, a driving rod 554 perpendicularly disposed to the first rotating rod 52 is fixedly penetrated on the transverse bevel gear 553, one end of the driving rod 554 is rotatably connected to the inner wall of the connecting block 51, and two sides of the transverse bevel gear 553 are respectively meshed with the first longitudinal bevel gear 551 and the second longitudinal bevel gear 552, so that the rotating directions of the first rotating rod 52 and the second rotating rod 54 are opposite. In order to facilitate the user to rotate the first rotating rod 52 and the second rotating rod 54, the side of the first rotating rod 52 opposite to the side of the second rotating rod 54 extends out of the side wall of the connecting block 51, and the first rotating rod 52 and the second rotating rod 54 are welded at one end of the connecting block 51 outside.

A locking mechanism 6 for locking the first rotating rod 52 and the second rotating rod 54 is arranged above the shackle 22, the locking mechanism 6 comprises a first locking component 61 arranged on the first rotating rod 52 and a second locking component 62 arranged on the second rotating rod 54, the first locking component 61 comprises a cylindrical first locking block 611 arranged outside the connecting block 51 and sleeved on the first rotating rod 52 and a first locking rod 614 for locking the first rotating rod 52 in a rotating manner, the first locking block 611 is welded on the side wall of the connecting block 51, the first locking block 611 and the first rotating rod 52 rotate relatively, the side wall of the first locking block 611 is provided with a plurality of first block connecting holes 612 with upper and lower ends communicated with the outside along the circumferential direction, the diameter of each first block connecting hole 612 is the same, the distance between two adjacent first block connecting holes 612 is the same, the first rotating rod 52 is provided with a connecting hole with one end communicated with the outside, the first block connecting hole 612 has the same diameter as the connecting hole, and when one of the first block connecting holes 612 is in butt joint with the connecting hole, the first locking rod 614 can simultaneously penetrate through the first block connecting hole 612 and the connecting hole in a threaded manner, and the first locking rod 614 is fixedly connected to the side wall of the first locking block 611 through a bolt, so that the first rotating rod 52 is rotationally locked, and then the second rotating rod 54 linked with the first rotating rod is rotationally locked.

The second locking assembly 62 includes a cylindrical second locking block 621 disposed outside the connecting block 51 and sleeved on the second rotating rod 54, and a second locking rod 624 for locking the second rotating rod 54 in rotation, the second locking block 621 is welded on the side wall of the connecting block 51, the second locking block 621 and the second rotating rod 54 rotate relatively, the side wall of the second locking block 621 is provided with a plurality of second block connecting holes 622 whose upper and lower ends are communicated with the outside along the circumferential direction, the aperture of each second block connecting hole 622 is the same, the distance between adjacent second block connecting holes 622 is equal, in order to perform more precise rotation locking on the second rotating rod 54, the distance between the second block connecting holes 622 is smaller than the distance between the first block connecting holes 612, the second rotating rod 54 is provided with a connecting hole whose one end is communicated with the outside, the aperture of the second block connecting hole 622 is the same as that of the connecting hole, when one of the second block connecting holes 622 is butted with the connecting hole, the second locking rod 624 can be threaded through the connecting hole and the second block connecting hole 622 simultaneously, and the second locking rod 624 is fixedly connected to the side wall of the second locking block 621 through a bolt, so that the second rotating rod 54 is locked, and the first rotating rod 52 coupled therewith is further locked in a rotating manner.

The implementation principle of the embodiment 3 is as follows: firstly, a user needs to determine the gravity center of the side-section bridge 10, four groups of connecting mechanisms 2 are installed at corresponding positions of the bridge floor of the side-section bridge 10 through the measurement of the gravity center, two slings 4 are sleeved on each hook monomer 31, when the user only needs to roughly adjust the lengths of the slings 4, the user adjusts a winding mechanism 5 arranged at the lower end of each sling 4 to be adjusted, the user rotates the first rotating rod 52 through the holding handle 56, so that two connecting ends at the lower end of each sling 4 are respectively wound in the two placing grooves 511, when one first block connecting hole 612 is in butt joint with the connecting hole of the first rotating rod 52, the user enables the first locking rod 614 to penetrate through the connecting hole of the first rotating rod 52 and the corresponding first block connecting hole 612 in a threaded manner, then the first locking rod 614 is fixedly connected to the side wall of the first locking block 611 through a bolt, so that the first rotating rod 52 is locked, then the second rotating rod 54 linked with the second rotating rod is locked, and then a side section bridge body 10 is stably hoisted through a hook main body 3; when a user needs to adjust the length of the sling 4 more precisely, the user adjusts the winding mechanism 5 arranged at the lower end of the sling 4 to be adjusted, the user rotates the second rotating rod 54 by holding the handle 56, so that the two connecting ends at the lower end of the corresponding sling 4 are respectively wound in the two placing grooves 511, when one of the second block connecting holes 622 is butted with the connecting hole of the second rotating rod 54, the user passes the second locking rod 624 through the connecting hole of the second rotating rod 54 and the corresponding second block connecting hole 622 in a threaded manner, and then fixedly connects the second locking rod 624 to the side wall of the second locking block 621 through a bolt, so that the second rotating rod 54 is locked, and then the first rotating rod 52 linked with the second rotating rod is locked, and then one side section bridge 10 is stably lifted by one hook body 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides an auxiliary device that is used for hoist and mount bridge on bridge floor which characterized in that: comprises at least two groups of connecting mechanisms (2) arranged on the bridge deck of a bridge body (1) to be installed, at least one group of lifting hook main bodies (3) arranged on the bridge deck of the bridge body (1) to be installed, and a plurality of lifting ropes (4) arranged on the bridge deck of the bridge body (1) to be installed, wherein each connecting mechanism (2) comprises a fixed block (21) fixedly connected on the bridge deck of the bridge body (1) to be installed, a lifting lug (23) fixedly arranged on the fixed block (21) and a shackle (22) connected with the lifting lug (23), the hook main body (3) is integrally formed by two hook single bodies (31), the hook bodies of the two hook single bodies (31) are arranged in a back-to-back manner, and the hook body of each lifting hook monomer (31) is upwards arranged, each sling (4) is sleeved on the lifting hook monomer (31), and the lower end of each sling (4) is connected with one shackle (22).

2. An auxiliary device for lifting bridges on a bridge deck according to claim 1, wherein: the bridge is characterized in that two sides of the fixed block (21) are fixedly connected with a reinforcing plate (211), and the reinforcing plate (211) is fixedly connected to the bridge floor of the bridge body (1) to be installed.

3. An auxiliary device for lifting bridges on a bridge deck according to claim 2, wherein: the middle part of each sling (4) is twisted and spliced in a twist shape, and the splicing part in the middle part of each sling (4) is welded and fixed.

4. An auxiliary device for lifting bridges over a bridge deck according to claim 3, wherein: each all be provided with on shackle (22) and be used for receiving and releasing winding mechanism (5) of hoist cable (4), winding mechanism (5) are located including fixed cover connecting block (51) on shackle (22) with set up in just be used for twining first rotation pole (52) of hoist cable (4) in connecting block (51), set up on connecting block (51) upper end and external intercommunication place recess (511), first rotation pole (52) with connecting block (51) rotate and are connected, the body of rod of first rotation pole (52) set up in place in recess (511), be provided with locking mechanism (6) that are used for locking first rotation pole (52) on connecting block (51).

5. An auxiliary device for lifting bridges on a bridge deck according to claim 4, wherein: winding mechanism (5) still including rotate connect in connecting block (51) are kept away from second dwang (54) of first dwang (52) one side, second dwang (54) set up in connecting block (51), place recess (511) in seted up two sets ofly on connecting block (51), the body of rod of second dwang (54) set up in not being provided with first dwang (52) place in recess (511).

6. An auxiliary device for lifting bridges on a bridge deck according to claim 5, wherein: a linkage cavity (512) is arranged in the connecting block (51), the winding mechanism (5) also comprises a linkage component (55) arranged in the linkage cavity (512), the linkage assembly (55) comprises a first longitudinal bevel gear (551) fixedly sleeved on the first rotating rod (52), a second longitudinal bevel gear (552) fixedly sleeved on the second rotating rod (54), and a transverse bevel gear (553) arranged between the first longitudinal bevel gear (551) and the second longitudinal bevel gear (552), a driving rod (554) is fixedly arranged on the transverse bevel gear (553) in a penetrating way, the driving rod (554) is rotatably connected with the inner wall of the connecting block (51) and is vertical to the first rotating rod (52), the transverse bevel gear (553) is engaged at both sides with the first longitudinal bevel gear (551) and the second longitudinal bevel gear (552), respectively.

7. An auxiliary device for lifting bridges over a bridge deck according to claim 6, wherein: one end of the first rotating rod (52) penetrates through the side wall of the connecting block (51), the locking mechanism (6) comprises a first locking component (61), the first locking component (61) comprises a first locking block (611) which penetrates through the first rotating rod (52) and is fixedly connected with the outer wall of the connecting block (51), a connecting hole is formed in the first rotating rod (52), a plurality of first block connecting holes (612) are formed in the first locking block (611) along the circumferential direction of the outer wall of the first locking block, the distance between the first block connecting holes (612) is equal, a first locking rod (614) is arranged between the first locking block (611) and the first rotating rod (52), when the first block connecting holes (612) are in butt joint with the connecting hole in the first rotating rod (52), the first locking rod (614) penetrates through the connecting hole in the first rotating rod (52) and the first block connecting hole (612), the first locking rod (614) is fixedly connected with the first locking block (611) through a bolt.

8. An auxiliary device for lifting bridges over a bridge deck according to claim 7, wherein: the second rotates one end and runs through connecting block (51) lateral wall, locking mechanism (6) still includes second locking Assembly (62), second locking Assembly (62) including wear to locate on second dwang (54) and with connecting block (51) outer wall fixed connection's second latch segment (621), a connecting hole has been seted up on second dwang (54), a plurality of second block connecting hole (622), a plurality of have been seted up along its outer wall circumference in second latch segment (621) distance between second block connecting hole (622) is equal, and distance between a plurality of second block connecting hole (622) is less than distance between first block connecting hole (612), second latch segment (621) with be provided with second latch lever (624) between second dwang (54), work as connecting hole on second dwang (54) with second block connecting hole (622) dock, the second locking rod (624) penetrates through a connecting hole in the second rotating rod (54) and a second block connecting hole (622), and the second locking rod (624) is fixedly connected with the first locking block (611) through a bolt.

9. An auxiliary device for lifting bridges over a bridge deck according to claim 8, wherein: the first rotating rod (52) and the second rotating rod (54) are fixedly connected with a holding handle (56) at the opposite sides.

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