CN216108450U

CN216108450U - Auxiliary butt joint device for main reinforcement of reinforcement cage of underground continuous wall

Info

Publication number: CN216108450U
Application number: CN202122702968.7U
Authority: CN
Inventors: 吴亚坤; 沈杜欣; 王佩; 马凯; 杨慧
Original assignee: Zhejiang Yitong Special Foundation Engineering Co ltd
Current assignee: Zhejiang Yitong Special Foundation Engineering Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-22
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses an auxiliary butt joint device for a main reinforcement of a reinforcement cage of an underground continuous wall, which comprises two carrying pole beams for supporting the load of a lower section of the reinforcement cage, wherein two ends of each carrying pole beam cross two banks of a wall width channel of the underground continuous wall; two auxiliary butt joint assemblies which are symmetrical left and right are arranged on two banks of the channel; each auxiliary butt joint assembly comprises a track and a plurality of sleepers fixed below the track; each track is matched with jacks which are in one-to-one correspondence with the shoulder pole beams in a sliding way; the top end of each jack piston rod is provided with a ball head, each end of each shoulder pole beam is provided with a positioning sleeve with a downward opening, and the top surface of an inner cavity of each positioning sleeve is a spherical surface matched with the shape of the ball head; the piston rod of each jack is sleeved in the positioning sleeve at the same end of the corresponding shoulder pole beam, and the ball head of the jack props against the spherical surface of the corresponding positioning sleeve. The butt joint device can adjust the alignment condition of each main rib of the upper section of reinforcement cage and the lower section of reinforcement cage, and is convenient for the butt joint of each main rib of the upper section of reinforcement cage and the lower section of reinforcement cage in a screwing manner.

Description

Auxiliary butt joint device for main reinforcement of reinforcement cage of underground continuous wall

Technical Field

The utility model relates to the field of mechanical equipment for underground continuous wall construction, in particular to an auxiliary butt joint device for a main reinforcement of a reinforcement cage of an underground continuous wall.

Background

The underground continuous wall is a mature underground building structure and is mainly applied to the outer walls of underground parts of buildings, the side walls of subways and underground highways, the outer walls of underground sewage treatment plants, clean water ponds, pump rooms, the side walls of underground general pipelines in cities, such as water pipes and electric cables, and the like.

The underground continuous wall is constructed in different wall panels one by one, and the construction process comprises an important step, namely hoisting and sinking the reinforcement cage of each wall panel into the corresponding channel of the wall panel; because the depth of the channel excavation is large and generally exceeds dozens of meters, the reinforcement cage corresponding to the section of the wall cannot be hoisted into the groove at one time; therefore, in actual construction, the steel bar cage is hoisted in a mode of butting the upper steel bar cage and the lower steel bar cage. Specifically, a lower section of reinforcement cage is hoisted in place, the upper end of the lower section of reinforcement cage is slightly higher than a groove opening, then at least two carrying pole beams penetrating through the lower section of reinforcement cage are placed across two banks of the groove opening, then the lower section of reinforcement cage is lowered, and a stirrup on the uppermost layer of the lower section of reinforcement cage is placed on the carrying pole beams, namely the load of the lower section of reinforcement cage is borne on the carrying pole beams; hoisting the upper section of reinforcement cage to the upper part of the lower section of reinforcement cage to enable the longitudinal main reinforcements of the two reinforcement cages to be close to each other, and finally, screwing and fixing the lower end of the main reinforcement of the upper section of reinforcement cage and the upper end of the main reinforcement of the lower section of reinforcement cage by using an internal thread sleeve to complete the butt joint of the two sections of reinforcement cages; and then slightly lifting the reinforcement cage to draw the carrying pole beam away, and finally sinking the butted integral reinforcement cage to a set elevation at the bottom of the channel.

Because two sections upper and lower steel reinforcement cages are bulky, from great, main muscle is also long, and each main muscle of two sections upper and lower steel reinforcement cages is also easy atress warp in the hoist and mount process, so discover in actual construction, it is difficult to guarantee that each main muscle of two sections upper and lower steel reinforcement cages all can dock accurately and the interval is balanced from top to bottom, the workman often closes the upper and lower main muscle of one side soon and discovers, the upper and lower main muscle of opposite side is crooked not on same straight line at all, and go up main muscle lower extreme and lower main muscle upper end interval too big or undersize, lead to the process difficulty of butt joint spiral joint upper and lower main muscle in the actual operation like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an auxiliary butt joint device for main reinforcements of an underground continuous wall reinforcement cage, which can adjust the alignment condition of each main reinforcement of an upper section reinforcement cage and a lower section reinforcement cage and is convenient for the rotary joint and butt joint of each main reinforcement of the upper section reinforcement cage and the lower section reinforcement cage.

The technical scheme of the utility model is that the utility model provides an auxiliary butt joint device for the main reinforcement of the reinforcement cage of the underground continuous wall, which comprises two carrying pole beams for supporting the load of the reinforcement cage at the lower section, wherein two ends of the carrying pole beams cross two banks of a wall width channel of the underground continuous wall; two auxiliary butt joint assemblies which are symmetrical left and right are arranged on two banks of the channel; each auxiliary butt joint assembly comprises a track and a plurality of sleepers fixed below the track; each track is matched with jacks which are in one-to-one correspondence with the shoulder pole beams in a sliding way; the top end of each jack piston rod is provided with a ball head, each end of each shoulder pole beam is provided with a positioning sleeve with a downward opening, and the top surface of an inner cavity of each positioning sleeve is a spherical surface matched with the shape of the ball head; the piston rod of each jack is sleeved in the positioning sleeve at the same end of the corresponding shoulder pole beam, and the ball head of the jack props against the spherical surface of the corresponding positioning sleeve.

Compared with the prior art, the auxiliary butt joint device for the main reinforcement of the underground continuous wall reinforcement cage has the following advantages.

Firstly, the butting device adjusts the ejection quantity of the four jacks so as to adjust the levelness of the two shoulder pole beams; the four jacks can slide along the length direction of the track, namely the channel, so that the initial horizontal positions of the two shoulder pole beams can be adjusted, and the steel reinforcement cages with different sizes can be placed firmly and stably; therefore, workers can align the upper section of reinforcement cage main reinforcement and the lower section of reinforcement cage main reinforcement in a certain small area conveniently, and the workers can tightly butt the upper main reinforcement and the lower main reinforcement by using the internal thread sleeve; if the worker completes the butt joint of the upper main rib and the lower main rib in the lower left corner area, if the distance between the upper main rib and the lower main rib in the lower right corner area is found to be large, the jack positioned on the lower right side is lifted, one end of the shoulder pole beam on the right side is enabled to be tilted upwards, the leveling distance is compensated, and the like.

In addition to the primary function of facilitating adjustment of the alignment and spacing of the individual major ribs to facilitate docking, the above-described structure also presents several bright spots. Firstly, each jack is slidably borne on the track, and a plurality of sleepers are laid below the track, so that the position stress of the jack is effectively prevented from being excessively concentrated, the load of an upper reinforcement cage is dispersed onto each sleeper through the jack and the track, and the situation that the ground on two sides of the channel is crushed due to the overlarge single-point pressure is avoided; moreover, the sleepers are fixed with the rails, so that the auxiliary butt joint assembly can be lifted integrally, and the assembly and transportation are convenient and quick; secondly, the design that the ball head of the jack is matched and abutted with the spherical surface of the positioning sleeve of the shoulder pole beam enables the upper load of the shoulder pole beam to be vertically and downwardly transferred to the jack no matter how the shoulder pole beam inclines, so that the overturning instability of the jack can be avoided, and the stability of the adjusting process of the butt joint device is improved.

Preferably, each track is formed by a channel steel with an upward opening, a sliding seat is fixed at the lower end of each jack and is in sliding fit with a long groove of the channel steel, and left and right turned-in turned-over turned edges for limiting the sliding seat to prevent the sliding seat from separating are arranged on two flange plates of the channel steel; the front side and the rear side of the side wall of each jack are respectively provided with a front pull ring and a rear pull ring; therefore, the integrity of the jack and the corresponding track is enhanced, the jack is prevented from being separated from the track at will, and the load of the jack and the upper part can be stably transmitted downwards along the track and the sleeper; and the design of the front and rear pull rings of the side wall of each jack enables people to conveniently and quickly pull the transverse moving jack along the rail to adjust the transverse position of the shoulder pole beam, so that the process of adjusting and aligning the upper main bar and the lower main bar is more convenient.

Preferably, the channel steel web plate is provided with a threaded hole, the sliding seat is provided with a through hole, and the sliding seat is temporarily fixed with the track through a bolt which penetrates through the through hole and is screwed into the threaded hole; therefore, after the reinforcement cages of the channels corresponding to one section of wall are butted and placed downwards, when the next section of wall is constructed and the auxiliary butt joint assembly needs to be lifted to the next section of wall, the jacks are temporarily locked by the bolts, so that the jacks can be lifted integrally along with the rails and the sleepers, the transportation is convenient, after the sleepers and the rails are lifted in place, the jacks can be unlocked by loosening the bolts, the jacks can slide along the rails, and the requirement of transverse movement adjustment of the shoulder pole beam is met.

Preferably, the overhanging end of each turned edge is an arc surface, and a wedge-shaped block is inserted between the top surface of the sliding seat and the overhanging end of the turned edge; the design aims to realize that when the jack moves in place on the track and needs to support the load of the shoulder pole beam and the lower section of the reinforcement cage at the upper part of the shoulder pole beam, the wedge-shaped block is inserted into the gap between the turned-edge cambered surface and the top surface of the sliding seat, so that the temporary fixation of the transverse position of the jack is realized, and the process of placing and bearing the load at the upper part of the jack is more stable and reliable; the wedge-shaped block is flexibly, conveniently and quickly inserted, namely the jack is conveniently fixed on the track, the jack is simple to disassemble, the jack can be moved along the track again only by pulling out the wedge-shaped block, and the process of transversely moving and adjusting the jack is also convenient and quick; certainly, the design of the cambered surface of the curling overhanging end enables the effects of inserting, fixing, pulling out and unlocking the wedge-shaped block to be better.

Preferably, the top surface of the shoulder pole beam is provided with a plurality of continuous triangular convex strips for clamping the hoops on the top layer of the lower section of the reinforcement cage; therefore, the friction coefficient of the top surface of the shoulder pole beam can be increased, and the transverse slippage of the lower section of the steel reinforcement cage placed on the shoulder pole beam when the inclination amplitude of the shoulder pole beam is larger in the adjusting process is avoided.

Drawings

Fig. 1 is a schematic structural view of the auxiliary butt joint device for the main reinforcement of the underground continuous wall reinforcement cage, which is used for butt joint of an upper reinforcement cage and a lower reinforcement cage.

Fig. 2 is a schematic structural diagram of the auxiliary butt joint device for the main reinforcement of the reinforcement cage of the underground continuous wall.

Fig. 3 is a schematic structural diagram of an auxiliary docking assembly of the auxiliary docking device for the main reinforcement of the underground continuous wall reinforcement cage.

Fig. 4 is a schematic view of a semi-sectional structure of a carrying pole beam of the auxiliary docking device for the main reinforcement of the underground continuous wall reinforcement cage.

Fig. 5 is an enlarged schematic view of a portion a of fig. 2.

The lower section of the steel reinforcement cage 1, the lower section of the steel reinforcement cage 2, the shoulder pole beam 3, the channel 4, the track 5, the sleeper 6, the jack 6.1, the piston rod 7, the ball head 8, the locating sleeve 8.1, the spherical surface 9, the sliding seat 10, the turned edge 11, the pull ring 12, the threaded hole 13, the bolt 14, the wedge block 15, the triangular raised line 16 and the through hole are shown in the figure.

Detailed Description

The utility model is further described with reference to the following figures and specific examples.

As shown in fig. 1 to 5, the auxiliary butt joint device for the main reinforcement of the reinforcement cage of the underground continuous wall comprises two shoulder pole beams 2 for supporting the load of the lower section reinforcement cage 1. The stirrups at the top layer of the lower section of the reinforcement cage 1 are placed on the shoulder pole beam 2. The top surface of the shoulder pole beam 2 is provided with a plurality of continuous triangular convex strips 15 used for clamping stirrups at the top layer of the lower section of the reinforcement cage 1. Both ends of the shoulder pole beam 2 cross both banks of the wall width channel 3 of the underground continuous wall.

Two auxiliary butt joint assemblies which are symmetrical left and right are arranged on two banks of the channel 3; each auxiliary butt joint assembly comprises a track 4 and a plurality of sleepers 5 fixed below the track 4; the sleepers 5 are all resting on the ground on both sides of the channel 3.

Each track 4 is matched with jacks 6 which are in one-to-one correspondence with the shoulder pole beams 2 in a sliding way; namely, each rail 4 is matched with 2 jacks 6 in a sliding way. Specifically, each rail 4 is composed of a channel steel with an upward opening, a sliding seat 9 is fixed at the lower end of each jack 6, the sliding seat 9 is in sliding fit in a long groove of the channel steel, and two turned-in turned-over turned edges 10 which are used for limiting the sliding seat 9 and preventing the sliding seat 9 from being separated from the rail 4 are arranged on two flange plates of the channel steel; the front and the rear sides of the side wall of each jack 6 are respectively provided with a front pull ring 11 and a rear pull ring 11.

The top end of a piston rod 6.1 of each jack 6 is provided with a ball head 7, and the diameter of the ball head 7 is larger than that of the piston rod 6.1; each end of each shoulder pole beam 2 is provided with a positioning sleeve 8 with a downward opening, namely two positioning sleeves 8 are arranged at the two ends of each shoulder pole beam 2. The top surface of the inner cavity of each positioning sleeve 8 is a spherical surface 8.1 matched with the ball head 7 in shape. The piston rod 6.1 of each jack 6 is sleeved in the positioning sleeve 8 at the same end of the corresponding shoulder pole beam 2, namely the piston rod 6.1 of the jack 6 positioned at the left bank of the channel 3 is sleeved in the positioning sleeve 8 at the left end of the corresponding shoulder pole beam 2, and the piston rod 6.1 of the jack 6 positioned at the right bank of the channel 3 is sleeved in the positioning sleeve 8 at the right end of the corresponding shoulder pole beam 2; and the ball head 7 of each jack 6 props against the spherical surface 8.1 of the positioning sleeve 8 in which the piston rod 6.1 of the jack 6 is sleeved.

The channel steel web plate is provided with a threaded hole 12, and the sliding seat 9 is provided with a through hole 16. When the steel reinforcement cage of one section of the channel 3 is placed and the next section of the channel 3 to be constructed is completed, the whole auxiliary butt joint assembly is hoisted integrally, and at the moment, the sliding seat 9 is temporarily fixed with the track 4 through the bolt 13 which penetrates through the through hole 16 and is screwed into the threaded hole 12. Of course, after the hoisting is completed, the bolt 13 is loosened, and the fixing state of the slide carriage 9 and the rail 4 is released.

The overhanging end of each turned edge 10 is an arc surface, and when the shoulder pole beam 2 needs to be supported to adjust the main reinforcement of the lower section of the reinforcement cage 1, a wedge-shaped block 14 is inserted between the top surface of the sliding seat 9 and the overhanging end of the turned edge 10; the temporary fixing of the transverse position of the jack 6 on the rail 4 is realized, so that the process of placing, bearing and adjusting the upper load is more stable and reliable.

Claims

1. The auxiliary butt joint device for the main reinforcement of the reinforcement cage of the underground continuous wall comprises two carrying pole beams (2) for supporting the load of a lower section of the reinforcement cage (1), wherein two ends of each carrying pole beam (2) cross two banks of a wall width channel (3) of the underground continuous wall; the method is characterized in that: two auxiliary butt joint assemblies which are symmetrical left and right are arranged on two banks of the channel (3); each auxiliary butt joint component comprises a track (4) and a plurality of sleepers (5) fixed below the track (4); each track (4) is matched with jacks (6) which are in one-to-one correspondence with the shoulder pole beams (2) in a sliding way; the top end of a piston rod (6.1) of each jack (6) is provided with a ball head (7), each end of each shoulder pole beam (2) is provided with a positioning sleeve (8) with a downward opening, and the top surface of the inner cavity of each positioning sleeve (8) is a spherical surface (8.1) matched with the shape of the ball head (7); a piston rod (6.1) of each jack (6) is sleeved into a positioning sleeve (8) at the same end of the corresponding shoulder pole beam (2), and a ball head (7) of the jack (6) abuts against a spherical surface (8.1) of the corresponding positioning sleeve (8).

2. The auxiliary butt joint device for the main reinforcement of the reinforcement cage of the underground continuous wall according to claim 1, wherein: each track (4) is composed of a channel steel with an upward opening, the lower end of each jack (6) is fixed with a sliding seat (9), the sliding seat (9) is in sliding fit in a long groove of the channel steel, and two turned-in turned-over turned edges (10) which are arranged on two flange plates of the channel steel and used for limiting the sliding seat (9) to prevent the sliding seat (9) from being separated are arranged on two flange plates of the channel steel; the front side and the rear side of the side wall of each jack (6) are respectively provided with a front pull ring and a rear pull ring (11).

3. The auxiliary butt joint device for the main reinforcement of the underground continuous wall reinforcement cage according to claim 2, is characterized in that: the channel steel web plate is provided with a threaded hole (12), the sliding seat (9) is provided with a through hole (16), and the sliding seat (9) is temporarily fixed with the rail (4) through a bolt (13) which penetrates through the through hole (16) and is screwed into the threaded hole (12).

4. The auxiliary butt joint device for the main reinforcement of the underground continuous wall reinforcement cage according to claim 2, is characterized in that: the overhanging end of each turned edge (10) is an arc surface, and a wedge-shaped block (14) is inserted between the top surface of the sliding seat (9) and the overhanging end of the turned edge (10).

5. The auxiliary butt joint device for the main reinforcement of the reinforcement cage of the underground continuous wall according to claim 1, wherein: the top surface of the shoulder pole beam (2) is provided with a plurality of continuous triangular convex strips (15) used for clamping stirrups at the top layer of the lower section of the reinforcement cage (1).