CN215406081U

CN215406081U - Height-adjustable split heads

Info

Publication number: CN215406081U
Application number: CN202120708936.5U
Authority: CN
Inventors: 徐桂中; 俞雪康; 潘夏磊; 丁坜; 夏冬生; 余成廷; 陈炜昕
Original assignee: Shanghai Greenland Construction Group Co Ltd
Current assignee: Shanghai Greenland Construction Group Co Ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2022-01-04
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a split heads with adjustable height, which is characterized by comprising a split heads body, wherein a top beam for supporting a concrete supporting member is arranged above the split heads body, and the split heads body and the top beam are connected through a lifting structure capable of adjusting the height of the top beam. According to the utility model, the upper plane of the top beam is tightly attached to the lower plane of the dismantled concrete supporting member by adjusting the height of the top beam, so that the concrete supporting member is safely and firmly supported during cutting and breaking, and the operation safety and the construction efficiency during cutting and dismantling of the concrete supporting member are improved.

Description

Height-adjustable split heads

Technical Field

The utility model relates to a height-adjustable split heads, in particular to a height-adjustable split heads used for cutting and dismantling concrete supporting members, and belongs to the technical field of building construction.

Background

The concrete horizontal support is a common support measure for underground foundation pit construction in building engineering. When the underground structure is constructed to a certain stage, the supporting member needs to be dismantled; when the design adopts the cutting mode to demolish concrete supporting member, need with the bearing of steel split heads temporary support under the concrete supporting member that waits to cut. The common split heads cannot be manufactured in batches by fixing the dies due to no height adjusting device, and gaps between the common split heads and the supporting members are different in size, so that the common split heads are tightly attached to the supporting members and cause accidents due to instability of the supporting members due to slight misoperation due to the fact that the common split heads are filled with sleepers, wood wedges and the like.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: how to make the split heads have the height-adjusting function to the concrete supporting member of various not co-altitude realizes the cover half batch production of split heads, avoids causing the accident because of the supporting member unstability.

In order to solve the technical problem, the utility model provides a split heads with adjustable height, which is characterized by comprising a split head body, wherein a top beam for supporting a concrete supporting member is arranged above the split head body, and the split head body is connected with the top beam through a lifting structure capable of adjusting the height of the top beam.

Preferably, elevation structure including fix two can promote stand and nut and the bolt that matches with the nut in the back timber bottom, the split heads body includes two first stands, first stand is the hollow tube, can promote the stand and insert in first stand, all opened at least two holes on every first stand, the nut has all been welded in the outside in every hole, the nut internal rotation has the bolt, the outside end on the bolt still is equipped with a fastening nut.

Preferably, the holes on the first upright posts are transversely arranged.

Preferably, when it is desired to secure the first upright to the liftable upright, one end of the bolt passes through the nut and the hole in the first upright in sequence and is secured against the liftable upright, and the fastening nut is tightened against the nut.

Preferably, the split heads body still include two long ladder structures, a short ladder structure, short ladder structure and two long ladder structure cross arrangement, and two long ladder structures are parallel to each other, short ladder structure and two long ladder structure mutually perpendicular, short ladder structure and two long ladder structure crossed position all weld first stand, two vertical settings of first stand, and the position that is close to the top between two first stands is connected through first horizontal pole.

Preferably, the crossing positions of the short trapezoidal structure and the two long trapezoidal structures are disconnected, a first upright post is welded at the disconnected position, the crossing position of the top of the long trapezoidal structure and the first upright post is disconnected, the disconnected position is welded with the first upright post,

preferably, the top of the first upright post is higher than the top of the long ladder-shaped structure.

Preferably, the long ladder-shaped structure comprises a fourth cross bar and a fifth cross bar which are horizontally arranged, the fourth cross bar and the fifth cross bar are parallel to each other, two ends of the fourth cross bar are respectively connected with one ends of the two first inclined supporting rods, and two ends of the fifth cross bar are connected to the positions, close to the end part of the other end, of the first inclined supporting rods; the short ladder-shaped structure comprises a second cross rod and a third cross rod which are horizontally arranged, the second cross rod and the third cross rod are parallel to each other, and two ends of the second cross rod are respectively connected with one ends of two second inclined supporting rods; two ends of the third cross bar are connected to the position, close to the end part of the other end, of the second inclined supporting rod; the first inclined supporting rod is connected with the second cross rod through a sixth cross rod, the sixth cross rod is horizontally arranged, and the sixth cross rod is perpendicular to the second cross rod.

Preferably, the liftable upright post is of a channel steel structure; the first cross rod, the first diagonal brace, the second cross rod, the second diagonal brace, the third cross rod, the fourth cross rod, the fifth cross rod and the sixth cross rod are all in an I-shaped steel structure.

Preferably, the top beam is a reaction beam; the top beam is of a channel steel structure.

The upper part of the utility model is provided with a set of supporting structure which can freely adjust the height of the top beam and is fastened through bolts. The steel split heads can be placed under concrete supporting members needing to be cut and removed at will under the cooperation of other machines such as cranes, forklifts and the like, and the upper plane of the top beam is tightly attached to the lower plane of the removed concrete supporting members by adjusting the height of the top beam, so that the concrete supporting members are safely and firmly supported during cutting and breaking, and the operation safety and the construction efficiency during cutting and removing of the concrete supporting members are improved.

Drawings

FIG. 1 is a schematic view of an adjustable height split heads;

FIG. 2 is a schematic view of an adjustable height split heads (with a gap between the top beam and the concrete support member);

FIG. 3 is a schematic view of the use of an adjustable height split heads (no gap between the top beam and the concrete support member);

FIG. 4 is a side schematic view of FIG. 3;

fig. 5 is a schematic view of the fastening connection of the liftable column and the first column.

Detailed Description

In order to make the utility model more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

The utility model provides a height-adjustable split heads, which is made of steel and is used for temporarily supporting a concrete supporting member to be cut when the concrete supporting member in a deep foundation pit supporting system is cut and dismantled, as shown in figure 1, the split heads comprise a split head body 1, a top beam 3 used for supporting the concrete supporting member is arranged above the split head body 1, and the split head body 1 and the top beam 3 are connected through a lifting structure capable of adjusting the height of the top beam 3.

The split heads body 1 comprises two long ladder-shaped structures, a short ladder-shaped structure and two first upright posts 1-3, the short ladder-shaped structure and the two long ladder-shaped structures are arranged in a crossed way, the two long ladder-shaped structures are parallel to each other, the short ladder-shaped structure is vertical to the two long ladder-shaped structures, the crossing positions of the short ladder-shaped structure and the two long ladder-shaped structures are disconnected, a first upright post 1-3 is respectively welded at the disconnected positions, the crossing positions of the top of the long ladder-shaped structure and the first upright posts 1-3 are disconnected, the broken part is welded with the first upright posts 1-3, the top parts of the first upright posts 1-3 are higher than the top parts of the long ladder-shaped structures, the two first upright posts 1-3 are vertically arranged, the positions close to the top are connected through a first cross rod 1-1, and a first upright post 1-3 is a rectangular hollow steel pipe.

The long ladder-shaped structure comprises fourth cross bars 1-7 and fifth cross bars 1-8 which are horizontally arranged, the fourth cross bars 1-7 and the fifth cross bars 1-8 are parallel to each other, two ends of the fourth cross bars 1-7 are respectively connected with one ends of two first inclined supporting rods 1-2, and two ends of the fifth cross bars 1-8 are connected to the positions, close to the end part of the other end, of the first inclined supporting rods 1-2; the short ladder-shaped structure comprises a second cross bar 1-4 and a third cross bar 1-6 which are horizontally arranged, the second cross bar 1-4 and the third cross bar 1-6 are parallel to each other, and two ends of the second cross bar 1-4 are respectively connected with one end of two second inclined supporting rods 1-5; two ends of the third cross bar 1-6 are connected with the position of the second inclined supporting bar 1-5 close to the end part of the other end.

The first inclined supporting rod 1-2 is connected with the first upright post 1-3 through a sixth cross rod 1-9, and the sixth cross rod 1-9 is horizontally arranged and is vertical to the second cross rod 1-4.

The lifting structure comprises two liftable upright columns 2-3 fixed at the bottom of the top beam 3, nuts 2-1 and bolts 2-2 matched with the nuts 2-1, each first upright column 1-3 of the split heads body 1 is provided with two transversely arranged holes, the nut 2-1 is welded on the outer side of each hole, the bolts 2-2 are screwed in the nuts 2-1, and the outer side end of each bolt 2-2 is provided with a fastening nut 2-4. The liftable upright post 2-3 is inserted into the first upright post 1-3, one end of the bolt 2-2 sequentially penetrates through the nut 2-1 and the hole on the first upright post 1-3 and is propped against the liftable upright post 2-3 for fixing, and the fastening nut 2-4 is screwed tightly against the nut 2-1 to prevent the bolt 2-2 and the liftable upright post 2-3 from loosening.

Wherein, the top beam 3 is a counter-force beam; the top beam 3 is of a channel steel structure; the liftable upright posts 2-3 are of channel steel structures; the first upright posts 1-3 are customized according to the height of the support beam; the first cross bar 1-1, the first diagonal brace 1-2, the second cross bar 1-4, the second diagonal brace 1-5, the third cross bar 1-6, the fourth cross bar 1-7, the fifth cross bar 1-8 and the sixth cross bar 1-9 are all of I-shaped steel structures.

The using process of the utility model is as follows:

the split heads of the utility model are placed under the concrete supporting member 5 to be cut and removed by using other machines such as a crane, a forklift and the like, and when a gap is formed between the top beam 3 and the concrete supporting member 5 or the top beam 3 is higher than the concrete supporting member 5, the height of the top beam 3 needs to be adjusted. When the device is used, the fastening nuts 2-4 and the bolts 2-2 are loosened, the liftable upright columns 2-3 can move up and down in the first upright columns 1-3, the top beam 3 is lifted by a crane, a forklift and the like until the upper plane of the top beam 3 is tightly attached to the lower plane of the concrete supporting member 5, the bolts 2-2 and the fastening nuts 2-4 are screwed again, the crane, the forklift and the like are driven away, the concrete supporting member 5 can be cut, and the concrete supporting member can be safely and firmly supported during cutting and breaking.

Claims

1. The utility model provides a split heads of adjustable height which characterized in that, includes split heads body (1), and the top of split heads body (1) is equipped with back timber (3) that are used for supporting concrete support component, is connected through the elevation structure that can adjust back timber (3) height between split heads body (1) and back timber (3).

2. The split heads with adjustable height of claim 1, wherein the lifting structure comprises two liftable columns (2-3) fixed at the bottom of the top beam (3) and a nut (2-1) and a bolt (2-2) matched with the nut (2-1), the split heads body (1) comprises two first columns (1-3), the first columns (1-3) are hollow tubes, the liftable upright columns (2-3) are inserted into the first upright columns (1-3), at least two holes are formed in each first upright column (1-3), nuts (2-1) are welded on the outer sides of the holes, bolts (2-2) are screwed into the nuts (2-1), and fastening nuts (2-4) are further arranged at the outer side ends of the bolts (2-2).

3. An adjustable horse stool according to claim 2, characterized in that the holes of said first uprights (1-3) are arranged transversely.

4. An adjustable horse stool according to claim 2, characterized in that when it is desired to fasten said first upright (1-3) and liftable upright (2-3) together, one end of the bolt (2-2) passes through the nut (2-1) and the hole of the first upright (1-3) in sequence and is fastened against the liftable upright (2-3), and the fastening nut (2-4) is tightened against the nut (2-1).

5. The split heads with the adjustable height as claimed in claim 2, wherein the split head body (1) further comprises two long ladder-shaped structures and a short ladder-shaped structure, the short ladder-shaped structure is crossed with the two long ladder-shaped structures, the two long ladder-shaped structures are parallel to each other, the short ladder-shaped structure is perpendicular to the two long ladder-shaped structures, first upright posts (1-3) are welded at the crossed positions of the short ladder-shaped structure and the two long ladder-shaped structures, the two first upright posts (1-3) are vertically arranged, and the positions, close to the top, of the two first upright posts (1-3) are connected through first cross rods (1-1).

6. An adjustable horse stool as claimed in claim 5, wherein the short ladder-shaped structure is disconnected from the crossing position of the two long ladder-shaped structures, and a first upright (1-3) is welded to the disconnected position, respectively, and the top of the long ladder-shaped structure is disconnected from the crossing position of the first upright (1-3), and the disconnected position is welded to the first upright (1-3),

7. an adjustable horse stool according to claim 5, characterized in that the top of said first upright (1-3) is higher than the top of the elongated ladder structure.

8. An adjustable horse stool as claimed in claim 5, wherein the ladder-shaped structure comprises a fourth cross bar (1-7) and a fifth cross bar (1-8) which are horizontally arranged, the fourth cross bar (1-7) and the fifth cross bar (1-8) are parallel to each other, both ends of the fourth cross bar (1-7) are respectively connected with one end of two first inclined supporting rods (1-2), and both ends of the fifth cross bar (1-8) are connected with the first inclined supporting rods (1-2) at positions close to the other end; the short ladder-shaped structure comprises a second cross bar (1-4) and a third cross bar (1-6) which are horizontally arranged, the second cross bar (1-4) and the third cross bar (1-6) are parallel to each other, and two ends of the second cross bar (1-4) are respectively connected with one end of each of two second inclined supporting rods (1-5); two ends of the third cross bar (1-6) are connected to the positions of the second inclined supporting rods (1-5) close to the end parts of the other ends; the first inclined supporting rod (1-2) is connected with the first upright post (1-3) through a sixth cross rod (1-9), the sixth cross rod (1-9) is horizontally arranged, and the sixth cross rod (1-9) is vertical to the second cross rod (1-4).

9. An adjustable height split heads as claimed in claim 8, wherein said liftable columns (2-3) are of channel steel construction; the first cross bar (1-1), the first diagonal brace (1-2), the second cross bar (1-4), the second diagonal brace (1-5), the third cross bar (1-6), the fourth cross bar (1-7), the fifth cross bar (1-8) and the sixth cross bar (1-9) are all of an I-shaped steel structure.

10. An adjustable height split heads as claimed in claim 1, wherein said top beams (3) are counter-force beams; the top beam (3) is of a channel steel structure.