CN214935235U

CN214935235U - Simple hoisting device for steel box girder

Info

Publication number: CN214935235U
Application number: CN202120546285.4U
Authority: CN
Inventors: 冯伟; 郭瑞鹏; 牟江亭; 柳春风; 单衍勇; 刘洋; 王富华; 宋杰; 张德旺; 吴振业
Original assignee: Shandong Hi Speed Engineering Construction Group Co Ltd
Current assignee: Shandong Hi Speed Engineering Construction Group Co Ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-11-30
Anticipated expiration: 2031-03-16

Abstract

The utility model relates to a bridge construction technical field especially relates to a simple and easy hoist device of steel box girder, including the lug, the lug can be dismantled with steel box girder roof and be connected, still includes bolt, nut and collection device, has all seted up corresponding hole on roof and the lug, and the bolt can pass roof and lug and nut fixed connection, and collection device sets up between roof and cross slab, and bolt and collection device are provided with on the collection device and are used for bolt and the relative fixed position device of collection device along keeping away from roof direction swing joint. When this application need carry out the installation of lug, support tightly with the head and the connecting plate of bolt through the locating lever, make bolt and collection box can not carry out relative activity, made things convenient for the installation of lug, when the lug is dismantled to needs carrying out, the locating lever that slides makes locating lever and bolt break away from each other, and the bolt can get into in the collection box under self gravity or the effect of external force and is collected, has made things convenient for the installation and the dismantlement of lug.

Description

Simple hoisting device for steel box girder

Technical Field

The application relates to the technical field of bridge construction, in particular to a simple hoisting device for a steel box girder.

Background

The steel box girder is also called steel plate box girder, is a common structural form of a large-span bridge and is generally used on a bridge with larger span. With the continuous increase of the span of the steel box bridge and the rapid development of the installation technology, the steel box bridge develops towards the directions of large span, large section, overweight and the like. Horizontal, vertical piecemeal will be carried out to each festival section according to hoist and mount and transporting capacity in the preparation installation, can set up a plurality of lugs on every block, demolish the lug after the hoist and mount is accomplished.

During hoisting of the bridge steel box girder, the temporary lifting lugs are directly welded on the top plate at the transverse partition plate of the steel box girder, a large number of stiffening plates are welded in the area below the top plate corresponding to the lifting lugs, the top plate is connected with the U ribs to be reinforced, and the deformation of the top plate of the steel box girder during hoisting is prevented. After the hoisting is finished, the lifting lugs need to be cut off, the weld joint area needs to be subjected to nondestructive testing after welding and cutting off, and the damaged area is processed.

In view of the above-mentioned related art, the inventor believes that the welding type lifting lug needs a great deal of work in the welding and cutting processes, which makes the mounting and dismounting of the lifting lug very troublesome.

SUMMERY OF THE UTILITY MODEL

For the installation and the dismantlement work of lug in order to be convenient, this application provides a simple and easy hoist device of steel box girder.

The application provides a simple and easy hoist device of steel box girder adopts following technical scheme:

the utility model provides a simple and easy hoist device of steel box girder, includes the lug, the lug can be dismantled with steel box girder roof and be connected, still includes a plurality of bolts, a plurality of nut and collection device, has all seted up corresponding hole on roof and the lug, and the bolt all can pass roof and lug and nut fixed connection, collection device sets up between roof and cross slab, and the bolt all is followed in keeping away from roof direction swing joint with collection device, be provided with on the collection device and be used for bolt and collection device relatively fixed position device.

By adopting the technical scheme, when the lifting lug is installed, the bolt and the collecting device are fixed through the positioning device, then the bolt penetrates through the top plate, and the bolt, the top plate and the lifting lug are fixed through the nut, so that the lifting lug is very simple and convenient to position and install; when the lug is required to be disassembled, the bolt and the collecting device are separated from the fixed state through the positioning device, the bolt moves towards the direction of being far away from the top plate, and when the bolt and the top plate are separated from each other, the collecting device is taken away from the top plate and the transverse partition plate, so that the disassembly and the collection of the lug are facilitated.

Optionally, the collecting device comprises a connecting plate and a collecting box, one side of the collecting box is provided with an opening, the connecting plate is fixedly connected with the opening of the collecting box, the connecting plate and the top plate are far away from one side of the lifting lug and can contact, the connecting plate is provided with a through hole corresponding to the top plate and the lifting lug, the head of the bolt is located in the collecting box, the threaded end of the bolt can penetrate through the through hole to be connected with the top plate and the lifting lug, and the positioning device is detachably connected with the collecting box.

By adopting the technical scheme, when the bolt and the connecting plate are fixed through the positioning device, the bolt penetrates through the through hole and extends out of the connecting plate, and penetrates through the top plate and the lifting lug to be connected with the nut, so that the lifting lug is convenient to mount; when the positioning device is required to be disassembled, the bolt can return to the collecting box under the action of external force or self gravity, and the collection of the bolt is facilitated.

Optionally, the positioning device includes a positioning rod, a second positioning hole is disposed on one side of the collecting box close to the diaphragm plate, a first positioning hole is disposed on one side of the collecting box far away from the diaphragm plate, the first positioning hole and the second positioning hole are arranged in a corresponding manner, the positioning rod can simultaneously pass through the first positioning hole and the second positioning hole and is fixedly connected with the collecting box, when the positioning rod is fixedly connected with the collecting box, the positioning rod is arranged in parallel with the connecting plate, and the positioning rod and the connecting plate clamp the head of the bolt.

Through adopting above-mentioned technical scheme, pass the through-hole of connecting plate with the bolt after, pass first locating hole and second locating hole with the locating lever in proper order, the head of bolt is pressed from both sides tightly with the connecting plate to the locating lever this moment, the bolt can not be with collection box relative activity, has made things convenient for to pass the roof with the bolt and is connected with the lug.

Optionally, one end of the positioning rod, which is close to the transverse partition plate, is provided with a limiting block, one side of the collecting box, which is provided with the second positioning hole, can be abutted against the transverse partition plate, one end of the positioning rod, which is provided with the limiting block, can be clamped with the second positioning hole, one end of the positioning rod, which is provided with the limiting block, cannot pass through the first positioning hole, and the limiting block is not contacted with the bolt.

Through adopting above-mentioned technical scheme, get into the collection box from the installation of second locating hole department with the locating lever, when one side that the locating lever was provided with the stopper and second locating hole joint, accomplish the installation of locating lever, when carrying out the lug and dismantling, the pulling locating lever makes stopper and first locating hole position contact on every side, then collects the collection box with the bolt completely in, whole in-process locating lever can not be taken out from first locating hole department, has made things convenient for the collection of whole collection box and locating lever.

Optionally, a connecting hole is formed in the diaphragm plate, a connecting mechanism is arranged between the collecting boxes on two sides of the diaphragm plate, and the connecting mechanism penetrates through the connecting hole to fixedly connect the two collecting boxes with the diaphragm plate.

Through adopting above-mentioned technical scheme, will collect box and cross slab through coupling mechanism and fix, strengthened the fastness of collecting box and being connected with the cross slab, be difficult for making the roof warp in the use of lug.

Optionally, the locating lever sets up to hollow rod, coupling mechanism includes threaded rod and long nut, the threaded rod with the long nut slides along being close to or keeping away from the diaphragm direction respectively and connects in the locating lever of diaphragm both sides, and one side that threaded rod and long nut are close to the diaphragm all can be located the locating lever, threaded rod and long nut can pass connecting hole threaded connection.

Through adopting above-mentioned technical scheme, when carrying out the fixed of bolt and lug, threaded rod and long nut are close to one side of cross slab and are located the locating lever, and after the fixed completion of lug, rotate threaded rod and long nut to being close to the cross slab direction and slide, make threaded rod and long nut threaded connection, strengthened the fastness of being connected between collection box and the cross slab, make the roof be difficult for warping at hoist and mount in-process.

Optionally, a sliding groove is formed in the inner wall of the positioning rod, the threaded rod and the peripheral side of the long nut are provided with sliding blocks, and the sliding blocks slide and are rotatably connected with the positioning rod through the sliding groove.

Through adopting above-mentioned technical scheme, through the setting of sliding tray and sliding block, make threaded rod and long nut all can only slide at the within range of sliding tray, threaded rod and long nut can not break away from the locating lever, have made things convenient for accomodating and using threaded rod and long nut.

Optionally, one side of the positioning rod, which is far away from the diaphragm plate, is provided with an external thread, a nut is arranged on the positioning rod, the nut is in threaded connection with the positioning rod, and the nut cannot pass through the first positioning hole.

Through adopting above-mentioned technical scheme, when carrying out the lug and dismantling, the locating lever can not break away from first locating hole, makes the dismantlement process comparatively safe and convenient, when needing to carry out the maintenance of locating lever, dismantles the nut and can dismantle the locating lever from second locating hole one side, and it is more convenient to dismantle the installation.

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

1. through the arrangement of the collecting device and the positioning device, when the lifting lug needs to be installed, the head of the bolt is tightly abutted to the connecting plate through the positioning rod, so that the bolt and the collecting box cannot move relatively, the installation of the lifting lug is facilitated, when the lifting lug needs to be disassembled, the positioning rod is slid, the positioning rod and the bolt are separated from each other, the bolt can enter the collecting box under the action of self gravity or external force to be collected, and the installation and the disassembly of the lifting lug are facilitated;

2. through the setting of threaded rod and long nut, make and collect can be connected between box and the cross slab, strengthened the intensity behind the lug installation, make the roof be difficult for warping at lug hoist and mount in-process.

Drawings

Fig. 1 is a front view of a simple hoisting device for a steel box girder in the embodiment of the application.

Fig. 2 is a structural view of a collecting device and a positioning device in an embodiment of the present application.

Fig. 3 is a partial cross-sectional view of the collection cassette of fig. 1.

Fig. 4 is an exploded view of the positioning device and attachment mechanism of fig. 3.

Fig. 5 is a cross-sectional view of the positioning rod and threaded rod.

Description of reference numerals: 100. a top plate; 200. a diaphragm plate; 210. connecting holes; 300. lifting lugs; 310. reinforcing ribs; 400. a bolt; 410. a nut; 500. a collection device; 510. a connecting plate; 511. a through hole; 520. a collection box; 521. a first positioning hole; 522. a second positioning hole; 523. a collection door; 600. a positioning device; 610. positioning a rod; 611. a limiting block; 612. a sliding groove; 613. an external thread; 700. a connecting mechanism; 710. a threaded rod; 720. a long nut; 730. and a slider.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses simple and easy hoist device of steel box girder. Referring to fig. 1, the simple hoisting device for the steel box girder comprises a lifting lug 300, a plurality of holes corresponding to the lifting lug 300 are formed in the top plate 100, a reinforcing rib 310 is arranged on one side of the lifting lug 300, which is far away from the top plate 100, and a hole corresponding to the lifting lug 300 is formed in the reinforcing rib 310. A plurality of bolts 400 are arranged at one side of the top plate 100 far away from the adjusting lug, and the bolts 400 can penetrate through the top plate 100, the lifting lug 300 and the reinforcing rib 310 to be in threaded connection with nuts 410. A collecting device 500 is arranged between the top plate 100 and the diaphragm plate 200, the collecting device 500 is used for collecting the bolts 400, the heads of the bolts 400 are movably connected with the collecting device 500, and the bolts 400 can move towards the direction far away from the top plate 100 through the collecting device 500. And a positioning device 600 is arranged on the collecting device 500, the positioning device 600 is used for fixing all the bolts 400 with the collecting device 500, the positioning device 600 is used for fixing the bolts 400 with the collecting device 500, and the bolts 400 penetrate through the top plate 100, the lifting lugs 300 and the reinforcing ribs 310 and are fixedly connected with the nuts 410. The collecting device 500 is further provided with a connecting mechanism 700, and the connecting mechanism 700 is used for connecting the collecting device 500 at both sides of the diaphragm 200.

Referring to fig. 1 and 2, the collecting apparatus 500 includes a collecting box 520, and one side of the collecting box 520 is open. The opening of the collecting box 520 is fixedly provided with a connecting plate 510, the connecting plate 510 is a reinforcing plate, and the connecting plate 510 is provided with a plurality of through holes 511 according to the distribution of the holes on the top plate 100. When the bolt 400 passes through the through hole 511 to be connected with the top plate 100, the lifting lug 300 and the reinforcing rib 310, the connecting plate 510 is tightly pressed against the top plate 100. One side of the collecting box 520 close to the diaphragm 200 can be tightly abutted against the diaphragm 200, and one side of the collecting box 520 close to the diaphragm 200 can also adopt a reinforcing plate. The collection door 523 is arranged on one side of each of the collection box 520, the positioning device 600, the top plate 100 and the transverse partition plate 200, the collection door 523 is hinged to the collection box 520, and the collection door 523 is fixedly connected with the collection box 520 through a bolt 400.

Referring to fig. 3 and 4, the positioning device 600 includes a positioning rod 610, the positioning rod 610 is disposed in a hollow shape, and the positioning rod 610 is slidably connected to the collecting box 520 along a direction close to or away from the diaphragm 200. The side of the collecting box 520 close to the diaphragm plate 200 is provided with a second positioning hole 522, and the side of the collecting box 520 far away from the diaphragm plate 200 is provided with a first positioning hole 521. The positioning rod 610 may simultaneously pass through the first positioning hole 521 and the second positioning hole 522, and when the positioning rod 610 simultaneously passes through the first positioning hole 521 and the second positioning hole 522, the positioning rod 610 is parallel to the connecting plate 510, and the positioning rod 610 and the connecting plate 510 clamp the head of the bolt 400.

The positioning rod 610 is integrally provided with a limiting block 611 at one end close to the diaphragm plate 200, the limiting block 611 does not surround the positioning rod 610, the shape of the second positioning hole 522 is consistent with that of the limiting block 611, the limiting block 611 can be clamped with the second positioning hole 522, when the limiting block 611 is clamped with the second positioning hole 522, the end, provided with the limiting block 611, of the positioning rod 610 and one side, close to the diaphragm plate 200, of the collection box 520 are located on the same plane, the limiting block 611 does not contact with the bolt 400, and the limiting block 611 cannot penetrate through the first positioning hole 521. The end of the positioning rod 610, far away from the diaphragm plate 200, is provided with an external thread 613, the end of the positioning rod 610, far away from the diaphragm plate 200, is provided with a nut 410, the nut 410 is in threaded connection with the positioning, and when the limiting block 611 is clamped with the second positioning hole 522, the nut 410 is in contact with the collection box 520.

Referring to fig. 4 and 5, the connection mechanism 700 is used to connect the collection boxes 520 at both sides of the diaphragm 200, and the connection mechanism 700 serves to reinforce. The connecting mechanism 700 comprises a threaded rod 710 and a long nut 720, and the threaded rod 710 and the long nut 720 are respectively connected in the positioning rods 610 at two sides of the diaphragm 200 in a sliding manner along the direction close to or far away from the diaphragm 200. Seted up round sliding tray 612 on the locating lever 610 inner wall, all be provided with round sliding block 730 on the week side of threaded rod 710 and long nut 720, sliding block 730 accessible sliding tray 612 slides and rotates with locating lever 610 and is connected. When the sliding block 730 is located on the side of the sliding groove 612 far from the diaphragm plate 200, the ends of the threaded rod 710 and the long nut 720 close to the diaphragm plate 200 are both located in the positioning rod 610, and the ends of the threaded rod 710 and the long nut 720 far from the diaphragm plate 200 are extended out of the positioning rod 610 all the time. The diaphragm plate 200 is provided with a connecting hole 210, and the threaded rod 710 and the long nut 720 can be threaded through the connecting hole 210.

In this embodiment, two sets of bolts 400 are used on the diaphragm 200 side, and therefore, the bolts 400 can be positioned using two sets of positioning rods 610, or the two sets of bolts 400 can be positioned simultaneously using positioning rods 610 having a large specification.

The implementation principle of the simple hoisting device for the steel box girder in the embodiment of the application is as follows: when the lifting lug 300 needs to be installed, the limiting blocks 611 of the positioning rods 610 are in contact with the peripheries of the first positioning holes 521, the connecting plates 510 are turned downwards by collection, the collection doors 523 are opened, each bolt 400 is aligned to each through hole 511 in the connecting plates 510, then the positioning rods 610 slide towards the second positioning holes 522, one ends, provided with the limiting blocks 611, of the positioning rods 610 are clamped with the second positioning holes 522, the collection doors 523 are fixed through the bolts 400, and the nuts 410, far away from one sides of the transverse partition plates 200, of the positioning rods 610 are abutted to the collection boxes 520 at the moment. Then, the worker holds the collecting box 520 to pass the bolt 400 through the hole of the top plate 100, passes the lifting lug 300 and the reinforcing bar 310 through the bolt 400 at a time, and then tightens the nut 410 to fix the lifting lug 300, and the worker holds the collecting box 520 to contact the connecting plate 510 with the top plate 100 in the whole process.

After the installation of the lifting lug 300 is completed, the threaded rods 710 and the long nuts 720 in the positioning rods 610 at the two sides of the diaphragm plate 200 are rotated, so that the threaded rods 710 and the long nuts slide and rotate in the direction close to the diaphragm plate 200, and are in threaded connection with the connecting holes 210, and at the moment, the sliding blocks 730 slide and rotate in the sliding grooves 612, so that the threaded rods 710 and the long nuts 720 are connected with each other. And then hoisting the steel box girder.

When the lifting lug 300 needs to be disassembled after the lifting is completed, firstly, the threaded rod 710 and the long nut 720 are rotated, the threaded rod 710 and the long nut 720 are enabled to slide and rotate in the direction away from the diaphragm plate 200, the threaded rod 710 and the long nut 720 are gradually separated from each other, when the threaded rod 710 and the long nut 720 return to the positioning rod 610, the positioning rod 610 is pulled from the first positioning hole 521, the positioning rod 610 slides from the second positioning hole 522 to the first positioning hole 521, when the limiting hole contacts with the periphery of the first positioning hole 521, the nut 410 above the reinforcing rib 310 is disassembled, then the bolt 400 is pushed downwards from the upper side of the top plate 100 through manual assistance, the bolt 400 is enabled to be separated from the through hole 511, the bolt 400 completely falls into the collection box 520, at the moment, the collection box 520, the lifting lug 300 and the reinforcing rib 310 are taken away, and the disassembly of the lifting lug 300 is completed.

When the bolt 400 needs to be replaced after multiple uses, the collection door 523 is opened to take out the bolt 400 to be replaced. When the positioning rod 610 needs to be replaced, the nut 410 is separated from the positioning rod 610, the positioning rod 610 slides from the first positioning hole 521 to the second positioning hole 522, the collection box 520 is separated from the second positioning hole 522, and the collection box is mounted from the second positioning hole 522 after maintenance and replacement.

The above embodiments are all the ones of the present application, and the scope of protection of the present application is not limited by them, 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 simple and easy hoist device of steel box girder, includes lug (300), lug (300) can be dismantled with steel box girder roof (100) and be connected its characterized in that: the collecting device is characterized by further comprising a plurality of bolts (400), a plurality of nuts (410) and a collecting device (500), corresponding holes are formed in the top plate (100) and the lifting lugs (300), the bolts (400) can penetrate through the top plate (100) and the lifting lugs (300) to be fixedly connected with the nuts (410), the collecting device (500) is arranged between the top plate (100) and the transverse partition plate (200), the bolts (400) are movably connected with the collecting device (500) in the direction away from the top plate (100), and the collecting device (500) is provided with a positioning device (600) for fixing the bolts (400) and the collecting device (500) relatively.

2. The simple hoisting device for the steel box girder of claim 1, is characterized in that: the collecting device (500) comprises a connecting plate (510) and a collecting box (520), one side of the collecting box (520) is open, the connecting plate (510) is fixedly connected with the opening of the collecting box (520), the connecting plate (510) and the top plate (100) are far away from one side of the lifting lug (300) to be in contact, a through hole (511) corresponding to the top plate (100) and the lifting lug (300) is formed in the connecting plate (510), the head of the bolt (400) is located in the collecting box (520), the threaded end of the bolt (400) can penetrate through the through hole (511) to be connected with the top plate (100) and the lifting lug (300), and the positioning device (600) is detachably connected with the collecting box (520).

3. The simple hoisting device for the steel box girder of claim 2, is characterized in that: positioning device (600) includes locating lever (610), collect box (520) and seted up second locating hole (522) near one side of cross slab (200), collect box (520) and keep away from one side of cross slab (200) and seted up first locating hole (521), first locating hole (521) and second locating hole (522) correspond the setting each other, locating lever (610) can pass first locating hole (521) and second locating hole (522) and collect box (520) fixed connection simultaneously, and when locating lever (610) and collection box (520) fixed connection, locating lever (610) and connecting plate (510) parallel arrangement, locating lever (610) and connecting plate (510) clamping bolt (400) head.

4. The simple hoisting device for the steel box girder of claim 3, is characterized in that: one end of the positioning rod (610) close to the transverse partition plate (200) is provided with a limiting block (611), one side, provided with the second positioning hole (522), of the collecting box (520) can be abutted to the transverse partition plate (200), one end, provided with the limiting block (611), of the positioning rod (610) can be clamped with the second positioning hole (522), one end, provided with the limiting block (611), of the positioning rod (610) cannot penetrate through the first positioning hole (521), and the limiting block (611) does not contact with the bolt (400).

5. The simple hoisting device for the steel box girder of claim 4, is characterized in that: the diaphragm plate (200) is provided with a connecting hole (210), a connecting mechanism (700) is arranged between the collecting boxes (520) at two sides of the diaphragm plate (200), and the connecting mechanism (700) penetrates through the connecting hole (210) to fixedly connect the two collecting boxes (520) with the diaphragm plate (200).

6. The simple hoisting device for the steel box girder of claim 5, wherein: the utility model discloses a horizontal diaphragm plate (200) and locating rod (610) are connected to the horizontal diaphragm plate (200) through the connecting rod, locating rod (610) set up to hollow pole, coupling mechanism (700) include threaded rod (710) and long nut (720), threaded rod (710) with long nut (720) are respectively along being close to or keeping away from horizontal diaphragm plate (200) direction slip connection in locating rod (610) of horizontal diaphragm plate (200) both sides, and threaded rod (710) and long nut (720) are close to one side of horizontal diaphragm plate (200) and all can be located locating rod (610), connecting hole (210) threaded connection can be passed to threaded rod (710) and long nut (720).

7. The simple hoisting device for the steel box girder of claim 6, wherein: the utility model discloses a fixing device, including locating lever (610), threaded rod (710) and long nut (720), locating lever (610) has seted up on the inner wall sliding tray (612), threaded rod (710) with all be provided with sliding block (730) on the week side of long nut (720), sliding block (730) slide and rotate with locating lever (610) through sliding tray (612) and be connected.

8. The simple hoisting device for the steel box girder of claim 6, wherein: one side of the positioning rod (610) far away from the diaphragm plate (200) is provided with an external thread (613), the positioning rod (610) is provided with a nut (410), the nut (410) is in threaded connection with the positioning rod (610), and the nut (410) cannot penetrate through the first positioning hole (521).