CN218757526U

CN218757526U - Adjustable steel shotcrete of deep basal pit quick detach

Info

Publication number: CN218757526U
Application number: CN202223270450.1U
Authority: CN
Inventors: 刘小晖; 徐兴宇; 刁嘉彬; 琚鸿飞; 伍昌帅
Original assignee: Guangdong Jianxing Construction No1 Engineering Co ltd
Current assignee: Guangdong Jianxing Construction No1 Engineering Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-03-28
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses an adjustable steel shotcrete of deep basal pit quick detach, including coaxial movable assembly and swivel, the movable assembly has two sets of middle part symmetry settings along the swivel, the movable assembly is including fixed end, well festival and flexible screw rod, one side of fixed end is connected with the base, the base includes the foundatin plate, foundatin plate one end is fixed with the hook plate, other end swing joint has movable hook plate, hook plate and fly leaf cooperation chucking are on the I-steel, make base and I-steel fixed connection, the one side of keeping away from the base of fixed end is connected with the one end of well festival, the other end of well festival and the one end fixed connection of flexible screw rod, the other end and the swivel threaded connection of flexible screw rod. This device overall structure is simple, makes things convenient for the dismouting, and the not unidimensional foundation ditch of adaptation, and can adjust the holding power size accurately, guarantee foundation ditch structural stability.

Description

Adjustable steel shotcrete of deep basal pit quick detach

Technical Field

The utility model relates to a steel shotcrete technical field specifically is an adjustable steel shotcrete of deep basal pit quick detach.

Background

In order to ensure the safety of the construction of an underground structure and the surrounding environment of a foundation pit, an I-beam is generally used as a support for a deep foundation pit for supporting and retaining the side wall of the foundation pit and the surrounding environment and reinforcing and protecting measures. In the deep foundation pit construction process, huge soil and water pressure around the foundation pit is difficult to bear by a supporting mechanism alone, and in order to control foundation pit deformation, a steel support is generally erected inside the foundation pit for supporting.

At present, the steel supports of the deep foundation pit are different in length and difficult to adapt to foundation pit supporting mechanisms of different sizes, and meanwhile, the steel support mounting and dismounting process is complex, and the axial force applied to the supporting mechanism is high in difficulty and low in precision.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the problem, an object of the utility model is to provide an adjustable steel shotcrete of deep basal pit quick detach, including coaxial movable assembly and swivel, the movable assembly has two sets of middle part symmetry settings along the swivel, the movable assembly is including fixed end, middle festival and flexible screw rod, one side of fixed end is connected with the base, and the base includes the foundatin plate, and foundatin plate one end is fixed with the hook plate, and other end swing joint has movable hook plate, and hook plate and fly leaf cooperation chucking make base and I-steel fixed connection on the I-steel, one side of keeping away from the base of fixed end is connected with the one end of middle festival, the other end of middle festival and the one end fixed connection of flexible screw rod, the other end and the swivel threaded connection of flexible screw rod.

Preferably, a compression spring is arranged in the rotating joint, and two ends of the compression spring are connected with the two telescopic screws.

Preferably, the movable plate and the base plate are fixed by screwing through a bolt.

Preferably, a reinforcing rib is arranged between the fixed end head and the base.

Preferably, the middle section is hollow, a movable joint is fixed at one end of the middle section close to the telescopic screw, threads are arranged on the inner wall of the movable joint and matched with the telescopic screw, an inner steel ring is arranged inside the middle section, and the inner diameter of the inner steel ring is smaller than the diameter of the screw so as to limit the movement of the screw.

Preferably, a disk is arranged in the middle of the rotary joint, and a plurality of bolt holes with equal angular intervals are formed in the side face of the disk.

Preferably, the two ends of the rotary joint are also provided with movable joints, and the movable joints at the two ends of the rotary joint are respectively in threaded fit with the two telescopic screws

Preferably, the middle section is fixedly connected with the fixed end head through a flange joint.

The utility model discloses mainly used small-size limit hole I-beam is strutted.

The beneficial effects of the utility model are that:

two sets of movable groups are connected at the swivel joint both ends, twist and change the swivel joint, make the movable group in with swivel joint threaded connection's telescopic screw remove, with telescopic screw fixed connection's middle festival and fix the solid top end on the I-shaped steel beam and remove, continue to twist the swivel joint behind I-shaped steel beam butt foundation ditch wall, can exert the holding power to the I-shaped steel beam, this device overall structure is simple, make things convenient for the dismouting, the not unidimensional foundation ditch of adaptation, and can accurately adjust the holding power size, guarantee foundation ditch structural stability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a single active set and a half-turn joint;

FIG. 3 is a schematic structural view of the fixing end head matched with the I-beam;

FIG. 4 is a schematic structural view of an intermediate link;

FIG. 5 is a schematic view of the telescopic joint;

FIG. 6 is a schematic view of the configuration of the disc and the pin hole;

the reference numbers illustrate: 1. a rotary joint; 11. a compression spring; 12. a disc; 13. a pin hole; 2. a telescopic screw; 3. a middle section; 31. an inner steel ring; 32. a flange plate; 4. fixing the end head; 41. a base; 42. a foundation plate; 43. a hook plate; 44. a movable hook plate; 5. an I-beam; 6. a movable joint; 7. and (4) bolts.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application can be understood in a concrete manner to a person of ordinary skill in the art.

Example (b):

fig. 1-6 show that a pair of adjustable steel shotcrete of deep basal pit quick detach, including activity group and swivel 1, the activity group is including fixed end 4, middle section 3 and telescopic screw 2, telescopic screw 2's one end and swivel 1 threaded connection, the one end fixed connection of the other end and middle section 3, middle section 3's the other end and fixed end 4 fixed connection, fixed end 4 again with I-beam 5 fixed connection, the activity group has two sets of symmetries to set up at swivel 1's both ends, I-beam 5 has fixed in advance, can't rotate, when twisting swivel 1, outwards remove with swivel 1 threaded connection complex telescopic screw 2 and keep away from swivel 1, telescopic screw 2 self does not do rotary motion, with telescopic screw 2 fixed connection's middle section 3, fixed end 4 and I-beam 5 then with telescopic screw 2 synchronous motion, behind I-beam 5 basic pot wall, continue to move swivel 1, can apply the foundation ditch holding power, guarantee the stability of foundation ditch, two sets of activity group cooperation use and apply the same holding power to parallel both sides wall simultaneously

The fixed end 4 is detachably connected with the I-beam 5 through the base 41, the base 41 comprises a base plate 42, one end of the base plate 42 is fixed with a hook plate 43, the other end of the base plate 42 is rotatably connected with a movable hook plate 44, the steps can be simplified by integrally forming the hook plate 43 and the base plate 42 during manufacturing, the cross sections of the hook plate 43 and the movable hook plate 44 are L-shaped, during installation, the base plate 42 and the hook plate 43 are clamped on the I-beam 5 firstly, then the movable hook plate 44 is rotated to clamp the movable hook plate 44 on the I-beam 5, and finally, the base plate 42 and the movable hook plate 44 are fixed through bolts, the whole base 41 is buckled on the I-beam 5 for fixing the fixed end 4 and the I-beam 5.

The flange 32 is fixed on the outer edge of the middle section 3, a circular ring structure matched with the flange 32 is arranged on one side, away from the base 41, of the fixed end 4, and the circular ring structure is fixedly connected with the flange 32, so that the middle section 3 and the fixed end 4 are fixed.

The end, far away from the fixed end 4, of the middle section 3 is fixed with a movable joint 6, the movable joint 6 is provided with an internal thread matched with the telescopic screw rod 2, the middle section 3 is hollow and provided with an inner steel ring 31, the inner diameter of the inner steel ring 31 is smaller than the diameter of the telescopic screw rod 2 and used for limiting the telescopic screw rod 2 to move towards the middle section 3, during installation, the telescopic screw rod 2 gradually extends into the middle section 3 through matching with the thread of the movable joint 6 to enable the telescopic screw rod 2 to abut against the inner steel ring 31 until the telescopic screw rod 2 abuts against the inner steel ring 31, during actual use, the telescopic screw rod 2 is loosened with probability to reduce the length of the telescopic screw rod 2 extending into the middle section 3, at the moment, the rotary joint 1 needs to be continuously screwed to enable the telescopic screw rod 2 to rotate relative to the middle section 3 to extend into the middle section 3, one end of the telescopic screw rod 2 is enabled to abut against the inner steel ring 31, supporting force is guaranteed to be really applied to the wall of a foundation pit, and a worker can specifically judge the matching situation of the telescopic screw rod 2 whether the middle section 3 has a rotation phenomenon or not through the difficulty degree of screwing the rotary joint 1.

Two ends of the rotary joint 1 are also connected with the telescopic screw rod 2 through the same movable joint 6, and the inner edge of the movable joint 6 is also provided with internal threads matched with the telescopic screw rod 2.

The inside cavity of swivel 1 just is equipped with compression spring 11, and two flexible screw rods 2 of two activity groups are connected respectively at compression spring 11's both ends, and compression spring 11 mainly protects two flexible screw rods 2 not to collide each other.

In order to guarantee the structural stability of the device itself, reinforcing ribs are provided between the fixed end 4 and the base 41, as are the loose joints 6.

The body of swivel 1 comprises hollow steel pipe, and the smooth application of force of being difficult to of steel pipe outward appearance makes its rotation twist move, so add disc 12 in the middle part of swivel 1, disc 12 side is equipped with a plurality of bolt holes 13 of equiangular interval, bolt hole 13 quantity according to actual conditions set for can, bolt hole 13 quantity is 6 ~ 12 usually, has 8 bolt holes 13 in this embodiment, bolt hole 13 makes things convenient for the staff to ann inserts instrument or the equipment of applying the revolving force.

The utility model discloses mainly used small-size limit hole is strutted, struts and mainly comprises I-beam 5.

The working principle is as follows:

the device is assembled in advance, one fixed end 4 is fixedly connected with the I-beam 5 on one side, the rotary joint 1 is screwed to extend or shorten the length of the whole device so as to enable the rotary joint to correspond to the I-beam 5 on the other side in parallel, and the fixed end 4 on the other end is fixedly connected with the I-beam 5. After the I-shaped beams 5 at the two ends are connected, the rotating joint 1 is screwed, so that the telescopic screw 2 drives the middle joint 3, the fixed end 4 and the I-shaped beam 5 to move outwards (away from the rotating joint 1), the I-shaped beam 5 is abutted against the surface of the foundation pit, then the rotating joint 1 is continuously screwed according to actual requirements, supporting force is applied to the wall of the foundation pit, and the structural stability of the foundation pit is ensured.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The utility model provides an adjustable steel shotcrete of deep basal pit quick detach, its characterized in that, includes coaxial activity group and rotatory festival (1), the activity group has two sets of middle part symmetry settings along rotatory festival (1), the activity group is including fixed end (4), well festival (3) and flexible screw rod (2), one side of fixed end (4) is connected with base (41), and base (41) are including foundatin plate (42), and foundatin plate (42) one end is fixed with hook plate (43), and other end swing joint has activity hook plate (44), and hook plate (43) and fly leaf cooperation chucking make base (41) and I-steel fixed connection on the I-steel, the one side of keeping away from base (41) of fixed end (4) is connected with the one end of well festival (3), the other end and the one end fixed connection of flexible screw rod (2) of well festival (3), the other end and rotatory festival (1) threaded connection of flexible screw rod (2).

2. The adjustable steel support of deep foundation pit quick detach according to claim 1, characterized in that, the inside of swivel (1) is equipped with compression spring (11), and two ends and two telescopic screw (2) of compression spring (11) are connected.

3. The adjustable steel brace of deep basal pit quick detach according to claim 1, characterized in that, the movable plate is fixed with basic plate (42) through bolt tightening.

4. The adjustable steel support of deep foundation pit quick detach according to claim 1, characterized in that the middle of the rotary joint (1) is provided with a disc (12), and the side of the disc (12) is provided with a plurality of bolt holes (13) with equal angular spacing.

5. The adjustable steel support of deep foundation pit quick detach according to claim 1, characterized in that the middle section (3) is hollow, a movable joint (6) is fixed at one end of the middle section (3) close to the telescopic screw (2), threads are arranged on the inner wall of the movable joint (6) to be matched with the telescopic screw (2), an inner steel ring (31) is arranged inside the middle section (3), and the inner diameter of the inner steel ring (31) is smaller than the diameter of the screw to limit the movement of the screw.

6. The adjustable steel support of deep foundation pit quick detach according to claim 5, characterized in that the two ends of the rotary joint (1) are also provided with movable joints (6), and the movable joints (6) at the two ends of the rotary joint (1) are respectively in threaded fit with the two telescopic screws (2).

7. The adjustable steel support of deep foundation pit quick detach according to claim 1, characterized in that, the middle section (3) and the fixed end (4) are fixedly connected through a flange joint.

8. The adjustable steel support of deep foundation pit quick detach according to claim 1, characterized in that, be equipped with the strengthening rib between fixed end (4) and base (41).