CN210368984U

CN210368984U - Supporting device applied during foundation pit excavation

Info

Publication number: CN210368984U
Application number: CN201921117722.XU
Authority: CN
Inventors: 宋军; 秦建勇; 唐勇; 任茜; 胡伟; 袁琳琳
Original assignee: China Huashi Enterprises Co Ltd
Current assignee: China Huashi Enterprises Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-21
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a strutting arrangement who uses during foundation ditch excavation, including the connecting block, be equipped with four fixed plates in the connecting block, the fixed plate homoenergetic is at the connecting block internal rotation, fixed plate one end and connecting block swing joint are equipped with actuating mechanism in the other end, are equipped with the connecting rod on actuating mechanism's the output shaft, be equipped with supporting component on the connecting rod, the same connecting rod swing joint of supporting component, supporting component includes horizontal pole fixed block and two movable blocks, and horizontal pole one end is articulated with the connecting rod, and the other end is connected with the fixed block, the movable block is located the both sides of fixed block respectively to the holding surface of fixed block and movable block all is in the coplanar, is equipped with the montant on the movable block, and the montant inserts to in the fixed block to the montant can. The utility model discloses be convenient for support the foundation ditch fast, the efficiency of construction.

Description

Supporting device applied during foundation pit excavation

Technical Field

The utility model relates to a building technical field, concretely relates to strutting arrangement who uses during foundation ditch excavation.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The persons with low excavation depth can use the method of putting side slope to make the earth slope stable, and the size of the slope is determined according to the relevant construction project. When a deeper foundation pit and a building adjacent to the deeper foundation pit are excavated, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, and even an underground continuous wall and a columnar column type bored pile are used for interlocking, so that an outer soil layer is prevented from collapsing; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; in cold regions, natural cold freezing method can be adopted for excavation and the like.

The foundation ditch is when the excavation, in order to prevent that the foundation ditch from taking place to collapse, need support the inner wall of foundation ditch, at present, mostly adopt the steel pipe to carry out horizontal support to the inner wall of foundation ditch both sides when supporting the foundation ditch, utilize the hoist to lift by crane the steel pipe to the holding height earlier during the use, then support the steel pipe, but adopt this mode to install a steel pipe at every turn, efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome not enough among the prior art, aim at provides a strutting arrangement who uses during foundation ditch excavation, is convenient for support the foundation ditch fast, the efficiency of construction.

The utility model discloses a following technical scheme realizes:

the utility model provides a strutting arrangement who uses during foundation ditch excavation, includes the connecting block, be equipped with four fixed plates in the connecting block, the fixed plate all can be at the connecting block internal rotation, fixed plate one end and connecting block swing joint are equipped with actuating mechanism in the other end, are equipped with the connecting rod on actuating mechanism's the output shaft, be equipped with supporting component on the connecting rod, the same connecting rod swing joint of supporting component, supporting component includes horizontal pole fixed block and two movable blocks, and horizontal pole one end is articulated with the connecting rod, and the other end is connected with the fixed block, the movable block is located the both sides of fixed block respectively to the holding surface of fixed block and movable block all is in the coplanar, is equipped with the montant on the movable block, and the montant inserts to in the fixed block.

Furthermore, the connecting block comprises an upper disc, a lower disc and four fixing rods, two ends of each fixing rod are respectively connected with the upper disc and the lower disc, the fixing rods respectively penetrate through the fixing plates, and the fixing plates can rotate around the fixing rods.

Further, still be equipped with a plurality of body of rod on the lateral wall of going up the disc, be equipped with the ring on the body of rod, the body of rod and the inner wall connection of ring, the bottom of ring is equipped with the ring channel, is equipped with the slider in the ring channel, and the slider can remove in the ring channel, the bottom of slider is equipped with the pull rod to the pull rod is connected with the fixed plate.

Further, the ring inner wall still is equipped with the spread groove, the spread groove is located the bottom of ring channel to spread groove and ring channel intercommunication, still be equipped with mounting and locating piece on the pull rod, the mounting passes through the screw thread and is connected with the pull rod, and the locating piece cover is on the pull rod to be located the top of mounting, rotatory mounting, mounting can promote the locating piece and remove to the spread groove in.

Furthermore, still be equipped with blind hole and export in the fixed block, export one end and the outside intercommunication of fixed block, the other end and blind hole intercommunication, the montant stretches into to the blind hole in through the export.

Furthermore, the diameter of the blind hole is larger than that of the outlet, the tail end of the vertical rod in the blind hole is provided with a limiting block, and the diameter of the limiting block is larger than that of the outlet.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model relates to a strutting arrangement who uses during foundation ditch excavation, when supporting foundation ditch technique, utilize the actuating mechanism in the fixed plate to promote the supporting component on the connecting rod to act on different positions of foundation ditch inner wall respectively to realized the support to the foundation ditch inner wall, make when installing, once can realize supporting the foundation ditch multiple spot position, compare traditional hoist and mount and can only support two points, improved the efficiency of construction;

2. the utility model relates to a strutting arrangement who uses during foundation ditch excavation, because the interval between the supporting component can be adjusted, according to the actual degree of depth of foundation ditch, adjust the interval between the supporting component to can have the installation quantity that reduces this strutting arrangement, further improve the efficiency of construction;

3. the utility model relates to a supporting device applied during foundation pit excavation, the distance between two movable blocks on a supporting component can be adjusted, so that the two movable blocks on the supporting component can act on different positions on the inner wall of the foundation pit, and the supporting force of the supporting component to the foundation pit is improved;

4. the utility model relates to a strutting arrangement who uses during foundation ditch excavation utilizes the loop wheel machine to lift by crane before the installation, utilizes the ring that sets up to fix the fixed plate in the ring below, guarantees the supporting component at the in-process that lifts by crane, and interval between the supporting component can not change to be convenient for support the foundation ditch fast.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a top view of the present invention when supporting a foundation pit;

FIG. 2 is a top view of the structure of the present invention;

fig. 3 is a schematic structural view between the fixing plate and the connecting rod of the present invention;

fig. 4 is a schematic structural view of the connecting block of the present invention;

FIG. 5 is a schematic structural view of the supporting component of the present invention

Fig. 6 is a bottom view of the ring of the present invention;

fig. 7 is a schematic sectional view of the ring of the present invention.

Reference numbers and corresponding part names in the drawings:

1-supporting component, 2-foundation pit, 3-connecting block, 4-positioning block, 5-connecting rod, 6-circular ring, 7-output shaft, 8-driving mechanism, 9-fixing plate, 10-pull rod, 11-sliding block, 12-fixing piece, 13-upper circular disc, 14-fixing rod, 15-lower circular disc, 16-cross rod, 17-fixing block, 18-movable block, 19-blind hole, 20-vertical rod, 21-limiting block, 22-connecting groove, 24-annular groove and 25-rod body.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1

As shown in fig. 1 to 5, the supporting device for foundation pit excavation of the present invention includes a connecting block 3, wherein the connecting block 3 includes an upper disc 13, a lower disc 15 and four fixing rods 14, one end of each fixing rod 14 is connected to the upper disc 13, the other end is connected to the lower disc 15, and the four fixing rods 14 are uniformly distributed between the upper disc 13 and the lower disc 15; the fixing rods 14 are respectively provided with a fixing plate 9, the fixing rods 14 are inserted into the fixing plates 9, the fixing plates 9 can rotate around the fixing rods 14 on the fixing rods 14, one end of each fixing plate 9 is sleeved on the corresponding fixing rod 14, a driving mechanism 8 is arranged in the other end of each fixing plate 9, the driving mechanisms 8 are hydraulic cylinders, the hydraulic cylinders are available in the market in the prior art, connecting rods 5 are arranged on output shafts 7 of the driving mechanisms 8, and the output shafts 7 can drive the connecting rods 5 to move under the action of the driving mechanisms 8; still be equipped with supporting component 1 on connecting rod 5, supporting component 1 is articulated with connecting rod 5 for supporting component 1 can rotate round articulated department, guarantees that supporting component can act on the inner wall of foundation ditch 2.

The supporting component 1 comprises a cross rod 16, a fixed block 17 and two movable blocks 18, one end of the cross rod 16 is hinged to the connecting rod 5, the other end of the cross rod is connected with the fixed block 17, the fixed block 17 can rotate around the hinged part together with the cross rod 16, two blind holes 19 and an outlet are arranged on two sides of the fixed block 17, one end of the outlet is communicated with the blind holes, the other end of the outlet is communicated with the outer side of the fixed block 17, the diameter of the outlet is smaller than that of the blind holes 19, the two movable blocks 18 are respectively positioned on two sides of the fixed block 17, the supporting surfaces of the movable blocks 18 and the supporting surfaces of the fixed block 17 are positioned on the same plane, the movable blocks 18 and the fixed block 17 can be attached to the inner wall of a foundation pit, two vertical rods 20 are arranged on the fixed block 17, the vertical rods 20 are inserted into the blind, the diameter of stopper 21 is greater than the diameter of going out, montant 20 can move in blind hole 19, changes the interval between two movable blocks 18 to the stopper 21 that utilizes to set up can avoid montant 20 to drop out from blind hole 19.

When the inner wall of the foundation pit 2 is supported, the connecting block is lifted by using the lifting device, when the supporting height is reached, the connecting rod 5 is driven by using the driving mechanism 8 to move towards the inner wall of the foundation pit, and the supporting surface of the supporting component 1 is ensured to face towards the inner wall of the foundation pit, so that the four supporting components 1 exert acting force on the inner wall of the foundation pit, and the purpose of supporting the inner wall of the foundation pit is realized; when utilizing supporting component 1 to support foundation ditch 2 inner walls, utilize the montant 20 that sets up to adjust the interval between movable block 18 and the fixed block 17 for supporting component 1 can exert the effort to foundation ditch inner wall different positions, thereby improves the support dynamics of supporting component 1 to the foundation ditch inner wall.

Example 2

As shown in fig. 1 to 7, on the basis of embodiment 1, a plurality of rod bodies 25 are further disposed on the circumferential outer wall of the upper disc 13, a circular ring 6 is further disposed on each rod body 25, the circular ring 6 is concentric with the upper disc 13, one end of each rod body 25 is connected to the upper disc 13, and the other end of each rod body is connected to the inner wall of the circular ring 6; an annular groove 24 is further formed in the circular ring 6, a sliding block 11 matched with the annular groove 24 is arranged in the annular groove 24, and the sliding block 11 can move in the annular groove 24, so that the sliding block 11 can move in the circular ring 6 around the center of the circular ring 6; the bottom of the circular ring 6 is further provided with a connecting groove 22, the connecting groove 22 is integrally circular, the connecting groove 22 is communicated with an annular groove 24, the top of the fixing plate 9 is provided with a pull rod 10, the pull rod 10 penetrates through the connecting groove 22 to be connected with the slider 11, so that the pull rod 20 can move along with the slider 11, the cross section of the connecting groove 22 is conical, the pull rod 20 is further provided with a positioning block 4 matched with the connecting groove 22, the cross section of the positioning block 4 is also conical, the positioning block 4 is sleeved on the pull rod 10, the positioning block 4 can be inserted into the connecting groove 22, the pull rod 10 is further provided with a fixing part 12, the fixing part 12 is connected with the fixing part 12 through threads, the fixing part 12 is positioned below the positioning block 4, the fixing part 12 is rotated, the fixing part 12 can push the positioning block 4 to be inserted into the connecting groove 22, so that, the pull rod 10 is prevented from moving in the connecting groove 22 by itself during the hoisting process.

Before lifting by crane this device, adjust the interval between two supporting component 1 on same inner wall according to the actual conditions of foundation ditch, when accomplishing two supporting component 1 intervals on same edge, rotatory mounting 12, mounting 12 promotes locating piece 4 up, make locating piece 4 fix in spread groove 22, thereby realize the fixed of pull rod 10, guarantee that fixed plate 9 fixes the below at ring 6, thereby make at the in-process of lifting by crane, fixed plate 9 can not take place the displacement by oneself, therefore, when this device lifts by crane to mounting height, alright carry out the internal stay with utilizing actuating mechanism 8 to promote centre gripping subassembly 1 to the inner wall of foundation ditch 2, need not the state of suspending again and adjust the interval between fixed plate 9, thereby the efficiency of construction to the internal stay of foundation ditch has been improved.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The supporting device applied during foundation pit excavation is characterized by comprising a connecting block (3), wherein four fixing plates (9) are arranged in the connecting block (3), the fixing plates (9) can rotate in the connecting block (3), one end of each fixing plate (9) is movably connected with the connecting block (3), a driving mechanism (8) is arranged in the other end of each fixing plate, a connecting rod (5) is arranged on an output shaft (7) of the driving mechanism (8), a supporting component (1) is arranged on each connecting rod (5), the same connecting rod (5) of each supporting component (1) is movably connected, each supporting component (1) comprises a cross rod (16), a fixing block (17) and two movable blocks (18), one end of each cross rod (16) is hinged to each connecting rod (5), the other end of each supporting component is connected with the fixing block (17), and the movable blocks (18) are respectively positioned on, and the holding surface of fixed block (17) and movable block (18) all is equipped with montant (20) on movable block (18) in the coplanar, montant (20) insert to fixed block (17) in to montant (20) can remove in fixed block (17), adjust the interval between two movable blocks (18).

2. The supporting device for foundation pit excavation according to claim 1, wherein the connecting block (3) comprises an upper disc (13), a lower disc (15) and four fixing rods (14), two ends of each fixing rod (14) are respectively connected with the upper disc (13) and the lower disc (15), the fixing rods (14) respectively penetrate through the fixing plate (9), and the fixing plate (9) can rotate around the fixing rods (14).

3. The supporting device for foundation pit excavation according to claim 2, wherein a plurality of rod bodies (25) are further arranged on the outer side wall of the upper disc (13), a ring (6) is arranged on each rod body (25), each rod body (25) is connected with the inner wall of the corresponding ring (6), an annular groove (24) is formed in the bottom of each ring (6), a sliding block (11) is arranged in each annular groove (24), each sliding block (11) can move in each annular groove (24), a pull rod (10) is arranged at the bottom of each sliding block (11), and each pull rod (10) is connected with the corresponding fixing plate (9).

4. The supporting device applied to excavation of a foundation pit is characterized in that a connecting groove (22) is further formed in the inner wall of the circular ring (6), the connecting groove (22) is located at the bottom of the annular groove (24), the connecting groove (22) is communicated with the annular groove (24), a fixing piece (12) and a positioning piece (4) are further arranged on the pull rod (10), the fixing piece (12) is connected with the pull rod (10) through threads, the positioning piece (4) is sleeved on the pull rod (10) and located above the fixing piece (12), the fixing piece (12) is rotated, and the fixing piece (12) can push the positioning piece (4) to move into the connecting groove (22).

5. The supporting device for excavation of a foundation pit as claimed in claim 1, wherein the fixed block (17) is further provided with a blind hole (19) and an outlet, one end of the outlet is communicated with the outer side of the fixed block (17), the other end of the outlet is communicated with the blind hole (19), and the vertical rod (20) extends into the blind hole (19) through the outlet.

6. The supporting device for excavation of a foundation pit as claimed in claim 5, wherein the diameter of the blind hole (19) is larger than the diameter of the outlet, the end of the vertical rod (20) in the blind hole (19) is provided with a limiting block (21), and the diameter of the limiting block (21) is larger than the diameter of the outlet.