CN214456116U

CN214456116U - Hoisting device convenient for hoisting steel temporary bridge

Info

Publication number: CN214456116U
Application number: CN202023042687.5U
Authority: CN
Inventors: 戴皓; 许德阳; 颜波; 许�鹏
Original assignee: Jiangsu Baigu Steel Structure Engineering Co ltd
Current assignee: Jiangsu Baigu Steel Structure Engineering Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-10-22
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a hoisting accessory is used in hoist and mount convenient to steel temporary bridge belongs to the field of construction technology, and it is including lifting the roof beam and setting up in the lug that lifts roof beam length direction both ends, the lug includes interconnect's lifting portion and bearing portion, the mounting hole has been seted up on the bearing portion, it is fixed to wear to locate in the mounting hole to lift the roof beam. When the steel temporary bridge is hoisted, the steel temporary bridge is placed on the plurality of lifting beams, then the lifting hook on the floating crane is fixed on the lifting lug on the lifting beam, and the steel temporary bridge can be integrally hoisted. The steel temporary bridge is stable in stress when the lifting beam and the lifting lugs are arranged, deformation of the steel temporary bridge is reduced, and accordingly the disturbance degree of the steel temporary bridge after the steel temporary bridge falls on an abutment is guaranteed, and the lifting efficiency of the steel temporary bridge is improved.

Description

Hoisting device convenient for hoisting steel temporary bridge

Technical Field

The application relates to the field of building construction technology, in particular to a hoisting device convenient for hoisting a steel temporary bridge.

Background

The steel temporary bridge is a temporary bridge constructed before the main bridge is constructed and used for conveying materials and pedestrians during the construction of the main bridge, and the steel temporary bridge surface is required to bear the load weight of concrete cars, automobiles and construction materials.

In the related art, when the steel temporary bridge is built, the steel temporary bridge is lifted by a crane and then built.

The inventor thinks that when the steel temporary bridge is built, the steel temporary bridge is directly hoisted, and the steel temporary bridge is easy to deform because the self weight of the steel temporary bridge is large.

SUMMERY OF THE UTILITY MODEL

In order to improve because directly lift by crane steel temporary bridge, because the weight of steel temporary bridge self is great, lead to the problem that steel temporary bridge warp easily, this application provides a hoisting accessory is used in steel temporary bridge hoist and mount of being convenient for.

The application provides a pair of hoisting accessory is used in steel temporary bridge hoist and mount convenient to, adopt following technical scheme:

the lifting device convenient for lifting the steel temporary bridge comprises a lifting beam and lifting lugs arranged at two ends of the lifting beam in the length direction, wherein the lifting lugs comprise a lifting part and a bearing part which are connected with each other, a mounting hole is formed in the bearing part, and the lifting beam is fixedly arranged in the mounting hole in a penetrating manner.

By adopting the technical scheme, when the steel temporary bridge is hoisted, the steel temporary bridge is placed on the plurality of lifting beams, then the lifting hook on the floating crane is fixed on the lifting lug on the lifting beam, and the steel temporary bridge can be integrally hoisted. The steel temporary bridge is stable in stress when the lifting beam and the lifting lugs are arranged, deformation of the steel temporary bridge is reduced, and accordingly the disturbance degree of the steel temporary bridge after the steel temporary bridge falls on an abutment is guaranteed, and the lifting efficiency of the steel temporary bridge is improved.

Optionally, a plurality of reinforcing ribs are arranged between the two surfaces of the lifting lug and the lifting beam, and the reinforcing ribs are obliquely arranged to form a triangular area.

Through adopting above-mentioned technical scheme, the joint strength between lug and the lift roof beam can further be strengthened in the setting of strengthening rib.

Optionally, a sleeve is arranged on the lifting lug and in the mounting hole in a penetrating manner.

By adopting the technical scheme and the arrangement of the sleeve, when the steel temporary bridge is lifted, the lifting hook on the floating crane is fixed on the sleeve of the lifting lug on the lifting beam, so that the contact area between the lifting hook and the lifting lug on the floating crane is increased, and the strength of the lifting lug is increased.

Optionally, an auxiliary hoisting assembly for improving the supporting strength of the lifting beam is arranged on the lifting beam.

Through adopting above-mentioned technical scheme, supplementary lifting by crane the subassembly and can play the effect that improves and lift roof beam support intensity to can lift by crane safe and reliable more to steel temporary bridge.

Optionally, the auxiliary lifting assembly includes a first fixed block, a first lifting rope and a second lifting rope, the first fixed block is fixed to a surface of the lifting beam far away from the lifting portion, the first lifting rope is fixed to one side of the first fixed block, the second lifting rope is fixed to one side of the first fixed block far away from the first lifting rope, and the first lifting rope and the second lifting rope are distributed in the length direction of the lifting beam;

the first lifting rope and the second lifting rope are correspondingly arranged on the lifting parts of the two lifting lugs in a penetrating mode.

Through adopting above-mentioned technical scheme, when lifting by crane the steel suspension bridge, lift the roof beam simultaneously through first lifting rope, second lifting rope and two lugs, can will lift the position that roof beam length direction both ends power dispersion part is close to first fixed block to lifting the roof beam, thereby can further strengthen the support intensity who lifts the roof beam, thereby make and lift the roof beam and be difficult to produce the deformation. And the arrangement of the first lifting rope and the second lifting rope can support the lifting beam, so that the supporting strength of the lifting beam can be further enhanced.

Optionally, pulley blocks are arranged at two ends of the lifting beam in the length direction, and the first lifting rope and the second lifting rope are sleeved on the two pulley blocks in a one-to-one correspondence manner.

Through adopting above-mentioned technical scheme, the setting of assembly pulley can reduce first lifting rope and second lifting rope and lift the friction between the roof beam to can protect first lifting rope and second lifting rope, with the life of extension first lifting rope and second lifting rope.

Optionally, the auxiliary lifting assembly comprises a second fixed block, a third lifting rope and a fourth lifting rope, the second fixed block and the third fixed block are both fixed on the surface of the lifting beam far away from the lifting part, the third lifting rope is fixedly connected with the surface of the second fixed block facing the third fixed block, the fourth lifting rope is fixedly connected with the surface of the third fixed block facing the second fixed block, and the third lifting rope and the fourth lifting rope are in one-to-one correspondence with the lifting parts penetrating through the two lifting lugs.

Through adopting above-mentioned technical scheme, when lifting by crane the steel temporary bridge, lift by crane the roof beam simultaneously through third lifting rope, fourth lifting rope and two lugs, can lift the roof beam length direction both ends power dispersion part to lift the roof beam and be close to the position of second fixed block and third fixed block to can further strengthen the support intensity who lifts the roof beam, thereby make to lift the roof beam and be difficult to produce the deformation. And the third lifting rope and the fourth lifting rope can lift the lifting beam, so that the supporting strength of the lifting beam can be further enhanced.

Optionally, a reinforcing rod is arranged between the second fixing block and the third fixing block, two through holes are formed in the reinforcing rod, the third lifting rope and the fourth lifting rope are correspondingly arranged in the two through holes in a penetrating mode, and the third lifting rope and the fourth lifting rope extend towards opposite directions.

Through adopting above-mentioned technical scheme, the stiffener can support second fixed block and third fixed block to can strengthen the intensity of second fixed block and third fixed block, promptly, when the third lifting rope stimulates the second fixed block towards the direction of third fixed block, the stiffener can exert a reverse thrust to the second fixed block, thereby can increase the second fixed block and lift the joint strength between the roof beam. The reinforcing rod improves the connection strength between the third fixing block and the lifting beam in the same way.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the lifting beam and the lifting lugs, the steel temporary bridge can be stressed more stably when being integrally lifted, so that the steel temporary bridge is not easy to deform;

2. the effect of enhancing the connection strength between the lifting lug and the lifting beam can be achieved through the arrangement of the reinforcing ribs;

3. through the setting of supplementary lifting by crane the subassembly, can play the effect that improves and lift roof beam support intensity.

Drawings

FIG. 1 is a schematic overall structure diagram of a hoisting device in embodiment 1 of the present application;

FIG. 2 is a schematic view of the overall structure of a hoisting device in embodiment 2 of the present application;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. lifting the beam; 2. lifting lugs; 21. a lifting part; 211. hoisting fixing holes; 22. a load bearing part; 23. mounting holes; 24. reinforcing ribs; 25. a sleeve; 3. an auxiliary hoisting assembly; 31. a first fixed block; 311. a first lifting rope; 312. a second lifting rope; 313. a pulley block; 32. a second fixed block; 321. a third fixed block; 322. a third lifting rope; 323. a fourth lifting rope; 324. a reinforcing bar; 325. and a through hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses hoisting accessory for hoisting steel temporary bridge of being convenient for.

Example 1

Referring to fig. 1, a be convenient for hoist and mount of steel temporary bridge are with hoisting device, including lifting roof beam 1, all set up at the both ends of lifting 1 length direction of roof beam and be fixed in the cover and be equipped with lug 2, when lifting the steel temporary bridge, place a plurality of roof beams 1 side by side of lifting, then place the steel temporary bridge on a plurality of roof beams 1 of lifting, then lift 2 on lifting roof beam 1 through the floating crane to lift whole steel plate bridge.

Referring to fig. 1, the shackle 2 includes a lifting portion 21 and a load receiving portion 22 integrally connected to each other, a lifting fixing hole 211 is formed in the lifting portion 21, and a sleeve 25 is inserted into the lifting fixing hole 211. When the steel temporary bridge is lifted, the lifting hook of the floating crane hooks the sleeve 25 to lift the lifting beam 1. A mounting hole 23 is formed in the bearing part 22, the lifting beam 1 is arranged in the mounting hole 23 in a penetrating mode, and then the lifting beam 1 and the bearing part 22 are welded. After the lifting beam 1 and the bearing part 22 are installed, a plurality of reinforcing ribs 24 are welded between the bearing part 22 and the lifting beam 1, and the plurality of reinforcing ribs 24 are all arranged in an inclined mode, so that a triangular reinforcing area is formed among the bearing part 22, the reinforcing ribs 24 and the lifting beam 1, and the connecting strength between the lifting lug 2 and the lifting beam 1 is improved.

Referring to fig. 1, since the lifting lugs 2 are located at both ends of the lifting beam 1, in order to reduce the deformation of the lifting beam 1 when the steel temporary bridge is lifted, an auxiliary lifting assembly 3 for improving the supporting strength of the lifting beam 1 is provided on the lifting beam 1. The auxiliary lifting assembly 3 includes a first fixing block 31, a first lifting rope 311 and a second lifting rope 312, the first fixing block 31 is fixed on a surface of the lifting beam 1 far from the lifting portion 21, in this embodiment, the first fixing block 31 is located at a position in the middle of the lifting beam 1. The first lifting rope 311 and the second lifting rope 312 are correspondingly fixed on two sides of the first fixing block 31 distributed along the length direction of the lifting beam 1, one end of the first lifting rope 311 far away from the first fixing block 31, and one end of the second lifting rope 312 far away from the first fixing block 31 penetrate through the lifting parts 21 of the two lifting lugs 2 in a one-to-one correspondence manner. That is, when the steel suspension bridge is hoisted, the first hoist rope 311 and the second hoist rope 312 apply opposite forces to the first fixing block 31, and then the lifting beam 1 is lifted, so that the supporting strength of the lifting beam 1 is increased. Pulley blocks 313 are fixed at both ends of the lifting beam 1 in the length direction, and the first lifting rope 311 and the second lifting rope 312 are sleeved on the two pulley blocks 313 in a one-to-one correspondence manner, so that friction between the first lifting rope 311 and the lifting beam 1 and the second lifting rope 312 are reduced, and abrasion of the first lifting rope 311 and the lifting rope is reduced.

The implementation principle of the embodiment 1 is as follows: when the steel temporary bridge is hoisted, the steel temporary bridge is firstly placed on a plurality of lifting beams 1 which are placed side by side, then the lifting hooks on the floating crane are fixed on the two hoisting parts 21, the first lifting rope 311 and the second lifting rope 312, and the lifting beams 1 can be hoisted, so that the steel temporary bridge can be hoisted, and the hoisting efficiency of the steel temporary bridge is improved. During hoisting, the lifting hook of the floating crane simultaneously exerts force on the two hoisting parts 21, the first hoisting rope 311 and the second hoisting rope 312, and can lift the lifting beam 1 through the first hoisting rope 311 and the second hoisting rope 312 so as to hoist the steel temporary bridge.

Example 2

Referring to fig. 2 and 3, the present embodiment is different from embodiment 1 in that the auxiliary lifting assembly 3 includes a second fixed block 32 and a third fixed block 321, the second fixed block 32 and the third fixed block 321 are both fixed to a surface of the lifting beam 1 far from the lifting portion 21, and the second fixed block 32 and the third fixed block 321 are disposed close to the two lifting lugs 2 in a one-to-one correspondence manner. A reinforcing rod 324 is disposed between the second fixing block 32 and the third fixing block 321, and two through holes 325 are formed in the reinforcing rod 324.

Referring to fig. 2 and 3, a third lifting rope 322 is fixed to a surface of the second fixed block 32 facing the third fixed block 321, and the third lifting rope 322 is inserted into the through hole 325 and extends in a direction of the third fixed block 321. A fourth lifting rope 323 is fixed to one surface of the third fixed block 321 facing the second fixed block 32, the fourth lifting rope 323 is inserted into the other through hole 325 and extends in the direction of the second fixed block 32, and the third lifting rope 322 and the fourth lifting rope 323 are disposed to face each other. One end of the third lifting rope 322 far from the second fixing block 32 and one end of the fourth lifting rope 323 far from the third fixing block 321 are correspondingly arranged through the lifting parts 21 of the two lifting lugs 2.

The implementation principle of the embodiment 2 is as follows: when the steel temporary bridge is hoisted, the steel temporary bridge is firstly placed on a plurality of lifting beams 1 which are placed side by side, then the lifting hooks on the floating crane are fixed on the two hoisting parts 21, the third lifting ropes 322 and the third lifting ropes 322, and the lifting beams 1 can be hoisted, so that the steel temporary bridge can be hoisted, and the hoisting efficiency of the steel temporary bridge is improved. When in lifting, the lifting hook of the floating crane simultaneously exerts force on the two lifting parts 21, the third lifting rope 322 and the fourth lifting rope 323, and the third lifting rope 322 and the fourth lifting rope 323 have overlapped parts on the bottom surface of the lifting beam 1, so that the lifting beam 1 can be lifted more stably.

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

1. The utility model provides a be convenient for hoisting of steel temporary bridge is with hoisting accessory which characterized in that: the lifting device comprises a lifting beam (1) and lifting lugs (2) arranged at two ends of the lifting beam (1) in the length direction, wherein the lifting lugs (2) comprise a lifting part (21) and a bearing part (22) which are connected with each other, a mounting hole (23) is formed in the bearing part (22), and the lifting beam (1) is fixedly arranged in the mounting hole (23) in a penetrating manner.

2. The hoisting device convenient for hoisting the steel temporary bridge, according to claim 1, is characterized in that: a plurality of reinforcing ribs (24) are arranged between the two surfaces of the lifting lug (2) and the lifting beam (1), and the reinforcing ribs (24) are obliquely arranged to form a triangular area.

3. The hoisting device convenient for hoisting the steel temporary bridge, according to claim 1, is characterized in that: and a sleeve (25) is arranged on the lifting lug (2) and in the mounting hole (23) in a penetrating manner.

4. The hoisting device convenient for hoisting the steel temporary bridge, according to claim 1, is characterized in that: the lifting beam (1) is provided with an auxiliary lifting assembly (3) for improving the supporting strength of the lifting beam (1).

5. The hoisting device convenient for hoisting the steel temporary bridge, according to claim 4, is characterized in that: the auxiliary lifting assembly (3) comprises a first fixing block (31), a first lifting rope (311) and a second lifting rope (312), the first fixing block (31) is fixed on one surface, far away from the lifting part (21), of the lifting beam (1), the first lifting rope (311) is fixed on one side of the first fixing block (31), the second lifting rope (312) is fixed on one side, far away from the first lifting rope (311), of the first fixing block (31), and the first lifting rope (311) and the second lifting rope (312) are distributed in the length direction of the lifting beam (1);

the first lifting rope (311) and the second lifting rope (312) are correspondingly arranged on the lifting parts (21) of the two lifting lugs (2) in a penetrating mode.

6. The hoisting device convenient for hoisting the steel temporary bridge, according to claim 5, is characterized in that: the two ends of the lifting beam (1) in the length direction are respectively provided with a pulley block (313), and the first lifting rope (311) and the second lifting rope (312) are sleeved on the two pulley blocks (313) in a one-to-one correspondence mode.

7. The hoisting device convenient for hoisting the steel temporary bridge, according to claim 4, is characterized in that: the auxiliary lifting assembly (3) comprises a second fixing block (32), a third fixing block (321), a third lifting rope (322) and a fourth lifting rope (323), the second fixing block (32) and the third fixing block (321) are fixed on one surface, far away from the lifting part (21), of the lifting beam (1), the third lifting rope (322) is fixedly connected with one surface, facing the third fixing block (321), of the second fixing block (32), the fourth lifting rope (323) is fixedly connected with one surface, facing the second fixing block (32), of the third fixing block (321), and the third lifting rope (322) and the fourth lifting rope (323) are correspondingly arranged on the lifting parts (21) of the two lifting lugs (2) in a penetrating mode.

8. The hoisting device convenient for hoisting the steel temporary bridge, according to claim 7, is characterized in that: be provided with stiffener (324) between second fixed block (32) and third fixed block (321), set up two through-holes (325) in stiffener (324), third lifting rope (322) and fourth lifting rope (323) one-to-one wear to locate in two through-holes (325), third lifting rope (322) and fourth lifting rope (323) extend towards opposite direction.