CN212582444U - Steel box girder mounting bracket - Google Patents

Abstract

The utility model discloses a steel box girder installing support, including the fixed operation platform in installing support main part and installing support main part right side top, operation platform's top is fixed with the guardrail, the last instrument hoist mechanism that is provided with of operation platform, instrument hoist mechanism is including seting up the rectangle perforation in operation platform top one side, and has seted up the rectangular hole on the fenestrate right side inner wall of rectangle, and sliding sleeve is equipped with the baffle in the rectangular hole, the left side of baffle extend to the rectangle perforation in and with the fenestrate left side inner wall movable contact of rectangle, the right side of baffle extend to operation platform outside and fixed connection have the iron montant. The utility model relates to a rationally, be convenient for place the bucket to the instrument and promote, and be convenient for place the bucket to the instrument after promoting and shelter from and support it, can effectively avoid promoting the phenomenon that the bucket dropped downwards is placed to the back instrument, need not personnel's hand tool climbing, reduces safe risk, satisfies the user demand, is favorable to using.

Description

Steel box girder mounting bracket

Technical Field

The utility model relates to a mounting bracket technical field especially relates to a steel box girder mounting bracket.

Background

During steel box girder installation construction, temporary supports need to be erected below the steel box girder, each temporary support comprises two rows of steel upright columns which are arranged in parallel in the transverse bridge direction, the lower end of each steel upright column is supported on a ground foundation, the upper ends of the steel upright columns in each row are connected through an I-shaped steel cross beam, and adjacent steel upright columns are connected in parallel through inclined struts; when the steel box girder is installed and constructed, a sand cylinder or a jack is installed at the top of the support and used for temporarily supporting the steel box girder, the height of the sand cylinder or the jack is reduced, the steel box girder is dropped onto a pier support, and constructors need to operate at the top of the temporary support in the construction process, so that an operation platform is arranged outside the support; for example, the publication number CN209428961U discloses a steel box girder installation construction support with a safe operation platform, the end parts of two i-steel crossbeams at the top of the support are connected with an operation platform extending horizontally outwards, one side of the platform is welded with the end parts of the two i-steel crossbeams, a rectangular constructor passage opening is arranged in the middle of the platform, a ladder stand is arranged between a flat link rod at the uppermost end between the two steel upright posts at the outermost side of a support transverse bridge and the bottom of the operation platform, the lower end of the ladder stand is welded with the middle of the flat link rod, and the upper end of the ladder stand is welded with one side, away from the steel upright posts, of the constructor passage opening on the operation platform.

The steel box girder installation construction bracket provided with the safe operation platform disclosed by the patent still has some defects, and the arrangement of the operation platform is convenient for construction operation of personnel; however, the operation platform does not have the function of lifting the tool box or tools, (in the traditional mode, one hand holds the tool box, the other hand climbs through the crawling ladder to send the tool box into the operation platform, in the process of climbing the tool box by hand, danger easily occurs, a phenomenon that a worker falls into the tool box or the tool falls off to injure a person easily occurs), the use requirement cannot be met, and improvement is carried out on the phenomenon, so that a steel box beam mounting bracket is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a steel box girder mounting bracket.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steel box girder mounting bracket comprises a mounting bracket main body and an operating platform fixed on the top of the right side of the mounting bracket main body, wherein a guardrail is fixed on the top of the operating platform, an tool lifting mechanism is arranged on the operating platform and comprises a rectangular perforation arranged on one side of the top of the operating platform, a rectangular hole is arranged on the right inner wall of the rectangular perforation, a baffle is sleeved in the rectangular hole in a sliding manner, the left side of the baffle extends into the rectangular perforation and is in movable contact with the left inner wall of the rectangular perforation, the right side of the baffle extends out of the operating platform and is fixedly connected with an iron vertical rod, the right bottom of the operating platform is fixedly connected with a magnet block, the right side of the magnet block is adsorbed with the left bottom of the iron vertical rod, a square rod is rotatably installed at the top of the left side of the iron vertical rod, and the left end of the square rod extends to the upper, the square bar is gone up to slide the cover and is equipped with the spool, and rotates the cover on the spool and be equipped with two bracing pieces, the bottom of bracing piece and operation platform's top welded fastening, and the rectangle perforation is located between two bracing pieces, the slot hole that the left side set up for the opening is seted up at the top of baffle, the bottom fixedly connected with stay cord of spool, and the bottom of stay cord runs through the below that the slot hole extends to operation platform and bolt-on is fixed with the instrument and places the bucket, the welding has the blend stop on the fenestrate left side inner wall of rectangle, and the bottom swing joint of the top of blend stop and baffle.

Preferably, the first bearing is welded at the top of the left side of the iron vertical rod, and the inner side of the inner ring of the first bearing is welded and fixed with four corners of the outer side of the square rod.

Preferably, one end of the winding shaft is provided with a square hole, and the inner wall of the square hole is in sliding connection with the outer side of the square rod.

Preferably, a round hole is formed in the top of the right side of the supporting rod, a second bearing is fixedly sleeved in the round hole, and the inner side of an inner ring of the second bearing is fixedly connected with the outer side of the winding shaft.

Preferably, the front inner wall and the rear inner wall of the long hole do not contact with the outer side of the pull rope.

Preferably, the front side and the rear side of the baffle are respectively in movable contact with the front side inner wall and the rear side inner wall of the rectangular through hole.

Preferably, the outer side of the square bar is not in contact with the inner side of the guard rail.

Compared with the prior art, the beneficial effects of the utility model are that:

by matching the mounting bracket main body, the operating platform, the rectangular through hole, the rectangular hole, the baffle, the iron vertical rod, the square rod, the winding shaft, the support rod, the long hole, the barrier strip, the pull rope, the rocking disc, the tool placing barrel, the magnet block and the first bearing with the square hole, a tool box or a tool is firstly placed in the tool placing barrel and lifted, the rocking disc is pushed rightwards, the iron vertical rod is driven by the rocking disc to be separated from the magnet block rightwards through the square rod, the iron vertical rod drives the baffle to be staggered with the rectangular through hole rightwards, the rocking disc is driven by the square rod to drive the square rod to rotate, the square rod drives the winding shaft to wind the pull rope, under the winding force, the pull rope drives the tool placing barrel to be lifted and gradually upwards to penetrate through the rectangular through hole, the rocking disc is moved leftwards, the magnet rocking disc drives the iron vertical rod to be moved leftwards to be adsorbed by the, the baffle is placed the bucket and is sheltered from and support it at the bottom to the instrument this moment for be convenient for promote and anti-drop to the instrument.

The utility model relates to a rationally, be convenient for place the bucket to the instrument and promote, and be convenient for place the bucket to the instrument after promoting and shelter from and support it, can effectively avoid promoting the phenomenon that the bucket dropped downwards is placed to the back instrument, need not personnel's hand tool climbing, reduces safe risk, satisfies the user demand, is favorable to using.

Drawings

Fig. 1 is a schematic structural view of a steel box girder mounting bracket provided by the present invention;

FIG. 2 is a schematic sectional view of part A of FIG. 1;

fig. 3 is the utility model provides a baffle stereogram of steel box girder installing support.

In the figure: 100 installing support main part, 101 operation platform, 1 rectangle perforation, 2 rectangular holes, 3 baffles, 4 iron montants, 5 square poles, 6 spool, 7 bracing pieces, 8 slot holes, 9 blend stops, 10 stay cords, 11 rocking discs, 12 instrument place bucket, 13 magnet piece, 14 first bearing, 15 square holes.

Detailed Description

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

Referring to fig. 1-3, a steel box girder mounting bracket comprises a mounting bracket main body 100 and an operating platform 101 fixed on the top of the right side of the mounting bracket main body 100, a guardrail is fixed on the top of the operating platform 101, a tool lifting mechanism is arranged on the operating platform 101, the tool lifting mechanism comprises a rectangular through hole 1 arranged on one side of the top of the operating platform 101, a rectangular hole 2 is arranged on the inner wall of the right side of the rectangular through hole 1, a baffle 3 is slidably sleeved in the rectangular hole 2, the left side of the baffle 3 extends into the rectangular through hole 1 and is in movable contact with the inner wall of the left side of the rectangular through hole 1, the right side of the baffle 3 extends out of the operating platform 101 and is fixedly connected with an iron vertical rod 4, a magnet block 13 is fixedly connected to the bottom of the right side of the operating platform 101, the right side of the magnet block 13 is adsorbed to the bottom of the, the left end of the square rod 5 penetrates through the guardrail and extends to the upper part of the operating platform 101 and is fixedly connected with the rocking disc 11, the square rod 5 is slidably sleeved with the winding shaft 6, the winding shaft 6 is rotatably sleeved with two support rods 7, the bottom ends of the support rods 7 are fixedly welded with the top part of the operating platform 101, the rectangular perforation 1 is positioned between the two support rods 7, the top part of the baffle 3 is provided with a long hole 8 with the left side being provided with an opening, the bottom part of the winding shaft 6 is fixedly connected with a pull rope 10, the bottom end of the pull rope 10 penetrates through the long hole 8 and extends to the lower part of the operating platform 101 and is fixedly connected with a tool placing barrel 12 in a bolting way, the inner wall at the left side of the rectangular perforation 1 is welded with a baffle 9, and the top part of the baffle 9 is movably contacted with the bottom part of the baffle 3, the utility model has reasonable design, is convenient for, can effectively avoid promoting the phenomenon that back instrument placed bucket 12 dropped downwards, need not personnel's handheld tool climbing, reduce the safety risk, satisfy the user demand, be favorable to the use.

In the utility model, the first bearing 14 is welded on the top of the left side of the iron vertical rod 4, the inner side of the inner ring of the first bearing 14 is welded and fixed with the four corners of the outer side of the square rod 5, the square hole 15 is arranged at one end of the winding shaft 6, the inner wall of the square hole 15 is connected with the outer side of the square rod 5 in a sliding way, the round hole is arranged at the top of the right side of the support rod 7, the second bearing is fixedly sleeved in the round hole, the inner side of the inner ring of the second bearing is fixedly connected with the outer side of the winding shaft 6, the front inner wall and the rear inner wall of the long hole 8 are not contacted with the outer side of the stay cord 10, the front side and the rear side of the baffle 3 are respectively in movable contact with the front inner wall and the rear inner wall of the rectangular perforation 1, the outer side of the square rod 5 is not contacted with the inner side of the guardrail, the utility model has reasonable design, is convenient for lifting the tool placing barrel 12, and is, need not personnel's handheld tool climbing, reduce the safety risk, satisfy the user demand, be favorable to using.

The working principle is as follows: when a tool box or a tool to be used is lifted, the tool box or the tool is firstly placed into the tool placing barrel 12, then when a person is on the operating platform 101, the rocking disc 11 is pushed rightwards, the rocking disc 11 drives the square rod 5 to slide rightwards in the square hole 15, the square rod 5 drives the iron vertical rod 4 to separate from the magnet block 13 rightwards, the iron vertical rod 4 drives the baffle 3 to move rightwards, so that the left side of the baffle 3 is staggered with the rectangular through hole 1 rightwards, the rocking disc 11 is rotated forwards to drive the square rod 5 to rotate, the square rod 5 drives the winding shaft 6 to rotate through the square hole 15, the winding shaft 6 winds the pull rope 10, under the winding force, the pull rope 10 moves upwards and drives the tool placing barrel 12 to lift upwards, after the tool placing barrel 12 passes through the rectangular through hole 1 upwards, the rocking disc 11 moves backwards leftwards, the rocking disc 11 drives the iron vertical rod 4 to move backwards through the square rod 5, the iron vertical rod 4 drives the baffle 3 to move backwards to shield the rectangular through hole 1, iron montant 4 adsorbs mutually with magnet piece 13 right simultaneously, and baffle 3 places bucket 12 in the bottom to the instrument and shelters from and support it this moment, can effectively avoid the instrument to place the phenomenon that bucket 12 dropped downwards, and personnel alright take the instrument to place the instrument in bucket 12 this moment for be convenient for promote the instrument, and be convenient for shelter from it after promoting and prevent dropping.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a steel box girder installing support, includes installing support main part (100) and the fixed operation platform (101) in installing support main part (100) right side top, the top of operation platform (101) is fixed with the guardrail, its characterized in that, be provided with instrument hoist mechanism on operation platform (101), instrument hoist mechanism is including seting up rectangle perforation (1) in operation platform (101) top one side, and has seted up rectangular hole (2) on the right side inner wall of rectangle perforation (1), and sliding sleeve is equipped with baffle (3) in rectangular hole (2), and the left side of baffle (3) extends to rectangle perforation (1) in and with the left side inner wall movable contact of rectangle perforation (1), and the right side of baffle (3) extends to outside operation platform (101) and fixedly connected with iron montant (4), and the right side bottom fixedly connected with magnet piece (13) of operation platform (101), and the right side of the magnet block (13) is adsorbed with the bottom of the left side of the iron vertical rod (4), the top of the left side of the iron vertical rod (4) is rotatably provided with a square rod (5), the left end of the square rod (5) penetrates through the guardrail and extends to the upper part of the operating platform (101) and is fixedly connected with a rocking disc (11), a winding shaft (6) is sleeved on the square rod (5) in a sliding manner, two support rods (7) are sleeved on the winding shaft (6) in a rotating manner, the bottom ends of the support rods (7) are fixedly welded with the top of the operating platform (101), a rectangular perforation (1) is positioned between the two support rods (7), the top of the baffle plate (3) is provided with a long hole (8) arranged at the left side for an opening, the bottom of the winding shaft (6) is fixedly connected with a stay cord (10), and the bottom end of the stay cord (10) penetrates through the long hole (8) and, the inner wall of the left side of the rectangular through hole (1) is welded with a barrier strip (9), and the top of the barrier strip (9) is in movable contact with the bottom of the baffle (3).

2. The steel box girder mounting bracket as claimed in claim 1, wherein the first bearing (14) is welded at the top of the left side of the iron vertical rod (4), and the inner side of the inner ring of the first bearing (14) is welded and fixed with four corners of the outer side of the square rod (5).

3. The steel box girder mounting bracket as claimed in claim 1, wherein a square hole (15) is formed at one end of the winding shaft (6), and the inner wall of the square hole (15) is slidably connected with the outer side of the square bar (5).

4. The steel box girder mounting bracket as claimed in claim 1, wherein a circular hole is formed at the top of the right side of the support rod (7), a second bearing is fixedly sleeved in the circular hole, and the inner side of the inner ring of the second bearing is fixedly connected with the outer side of the winding shaft (6).

5. A steel box girder mounting bracket according to claim 1, wherein the front and rear inner walls of the elongated hole (8) are not in contact with the outside of the pulling rope (10).

6. A steel box girder mounting bracket according to claim 1, wherein the front and rear sides of the baffle plate (3) are in movable contact with the front and rear inner walls of the rectangular through-hole (1), respectively.

7. A steel box girder mounting bracket according to claim 1, wherein the outer side of the square bar (5) is not in contact with the inner side of the guardrail.

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