Pile casing device for supporting cast-in-place pile of foundation pit

Abstract

The utility model relates to the technical field of cast-in-place pile supporting, and provides a pile casing device for foundation pit cast-in-place pile supporting, which comprises a first supporting cylinder and a second supporting cylinder inserted on the inner side of the first supporting cylinder, the first supporting cylinder is composed of two semicircular plates with larger sizes, the second supporting cylinder is composed of two semicircular plates with smaller sizes, and the semicircular plates are connected with the second supporting cylinder. First connecting lug plates are fixedly mounted at the two ends of the two semicircular plates with the larger size, second connecting lug plates are fixedly mounted at the two ends of the two semicircular plates with the smaller size, T-shaped grooves are formed in one sides of the first connecting lug plates and the second connecting lug plates, and T-shaped plates are fixedly mounted on the other sides of the first connecting lug plates and the second connecting lug plates; through the arrangement of the first supporting barrel, the second supporting barrel, the first connecting lug plate, the second connecting lug plate, the T-shaped groove and the T-shaped plate, the size of the device can be adjusted according to use requirements, then the flexibility of the device is greatly improved, and the use requirements can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of cast-in-place pile support, and specifically relates to a casing device used for cast-in-place pile support in a foundation pit. Background Art

[0002] A bored pile is a pile made by drilling a hole in place and pouring concrete or reinforced concrete. The bored piles used for foundation pit support mainly use steel pipe casings as casings. Concrete is poured into the steel pipe casing to form bored piles, which are used to support the foundation pit.

[0003] The known Chinese public authorized utility model CN220468871U discloses a casing device for foundation pit support bored piles, which includes two cylinders, which are butted in sequence from top to bottom, the lower end of the cylinder is coaxially sleeved and welded with a first fixing ring, the lower side of the first fixing ring is welded with a positioning block, the upper end of the cylinder is coaxially sleeved and welded with a second fixing ring, and the upper side of the second fixing ring is provided with a positioning groove. When the two cylinders need to be connected, the operator can align the first fixing ring and the second fixing ring respectively located on the two cylinders. Through the mutual cooperation of the positioning block and the positioning groove, the approach between the two cylinders can be guided, and the two cylinders can be accurately aligned. The cylinder is also provided with a clamping seat for clamping and fixing the two cylinders together. The present application guarantees the quality of the connection between the two cylinders as a whole.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned solution has the following problems: the prior art has poor flexibility when in use, the size of the cylinder is fixed and cannot be adjusted according to the use requirements, and thus cannot meet the use requirements. Therefore, a casing device for foundation pit cast-in-place pile support is needed. Utility Model Content

[0005] The utility model provides a casing device for supporting cast-in-place piles in foundation pits, which solves the problem in the related art that the flexibility is poor, the size of the casing is fixed and cannot be adjusted according to use requirements, and thus cannot meet use requirements.

[0006] The technical solution of the utility model is as follows: a casing device for supporting cast-in-place piles in foundation pits, comprising: a first supporting casing and a second supporting casing inserted inside the first supporting casing;

[0007] The first support tube is composed of two semicircular plates of larger size, and the second support tube is composed of two semicircular plates of smaller size;

[0008] Both ends of the two semicircular plates with larger sizes are fixedly installed with first connecting ear plates, and both ends of the two semicircular plates with smaller sizes are fixedly installed with second connecting ear plates, one side of the first connecting ear plate and the second connecting ear plate is provided with a T-shaped groove, and the other side of the first connecting ear plate and the second connecting ear plate is fixedly installed with a T-shaped plate, and the T-shaped plate on the second connecting ear plate is plugged into the T-shaped groove on the first connecting ear plate;

[0009] A fixing assembly is arranged on the second connecting ear plate, and the first supporting tube and the second supporting tube and the first connecting ear plate and the second connecting ear plate are fixed by the fixing assembly.

[0010] Preferably, the fixing assembly includes a first L-shaped plate arranged on the outside of the second connecting ear plate, a groove is formed on the first L-shaped plate, a second L-shaped plate is arranged on the inner side of the groove, a first screw is penetrated through the first L-shaped plate, the first screw is rotationally connected to the first L-shaped plate, and the second L-shaped plate is threadedly connected to the outer wall of the first screw.

[0011] Preferably, the outer side wall of the first supporting tube is provided with a connecting assembly, and two adjacent first supporting tubes are quickly snap-fitted and positioned by the connecting assembly.

[0012] Preferably, the connecting assembly is fixedly mounted on a first arc plate and a second arc plate on the outer side wall of the first supporting tube, and the first arc plate is located above the second arc plate, an arc-shaped plug-in strip is fixedly mounted on the top of the first arc plate, an arc-shaped groove is provided on the arc-shaped plug-in strip, and the arc-shaped plug-in strip on the first arc plate is plugged into an arc-shaped groove on another first supporting tube.

[0013] Preferably, a locking assembly is provided on the outer side of the connecting assembly, and the first arc-shaped plate and the second arc-shaped plate which are fitted to each other are locked and fixed by the locking assembly.

[0014] Preferably, the locking assembly includes a U-shaped plate, a second bolt is threadedly connected to the U-shaped plate, a knob plate is fixedly installed on the top of the second bolt, and the first arc plate and the second arc plate that fit each other are locked and fixed by the second bolt through the U-shaped plate.

[0015] Preferably, a circular disc is provided on the inner side of the U-shaped plate, and the circular disc is fixedly mounted on the bottom of the second bolt.

[0016] The working principle and beneficial effects of the utility model are:

[0017] By setting the first supporting tube, the second supporting tube, the first connecting ear plate, the second connecting ear plate, the T-slot and the T-plate, the size of the device can be adjusted according to the use requirements, thereby greatly improving the flexibility of the device and meeting the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0020] Figure 2 The utility model provides a schematic diagram of a top-down stereoscopic structure of a first casing;

[0021] Figure 3 The utility model proposes Figure 2 A in the figure is an enlarged schematic diagram of the three-dimensional structure;

[0022] Figure 4 This is a three-dimensional structural schematic diagram of the connection assembly proposed in the utility model;

[0023] Figure 5 The utility model provides a schematic diagram of the explosion three-dimensional structure of the first casing;

[0024] Figure 6 This is a three-dimensional structural schematic diagram of the fixing assembly proposed in the utility model;

[0025] Figure 7 This is a three-dimensional structural schematic diagram of the locking assembly proposed by the utility model.

[0026] In the figure: 1, first supporting tube; 2, second supporting tube; 3, first connecting ear plate; 4, second connecting ear plate; 5, T-shaped groove; 6, T-shaped plate;

[0027] 7. Fixing assembly; 71. First L-shaped plate; 72. Groove; 73. Second L-shaped plate; 74. First screw;

[0028] 8. Connecting assembly; 81. First arc-shaped plate; 82. Second arc-shaped plate; 83. Arc-shaped plug-in strip; 84. Arc-shaped groove;

[0029] 9. Locking assembly; 91. U-shaped plate; 92. Second bolt; 93. Knob plate;

[0030] 10. Disc. DETAILED DESCRIPTION

[0031] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Embodiment 1

[0033] See also Figure 1 - Figure 7 , a casing device for supporting cast-in-place piles in foundation pits, comprising: a first supporting casing 1 and a second supporting casing 2 inserted inside the first supporting casing 1;

[0034] The first supporting tube 1 is composed of two semicircular plates of larger size, and the second supporting tube 2 is composed of two semicircular plates of smaller size;

[0035] The two ends of the two semicircular plates with larger sizes are fixedly installed with first connecting ear plates 3, and the two ends of the two semicircular plates with smaller sizes are fixedly installed with second connecting ear plates 4. One side of the first connecting ear plate 3 and the second connecting ear plate 4 is provided with a T-shaped groove 5, and the other side of the first connecting ear plate 3 and the second connecting ear plate 4 is fixedly installed with a T-shaped plate 6, and the T-shaped plate 6 on the second connecting ear plate 4 is plugged into the T-shaped groove 5 on the first connecting ear plate 3;

[0036] The fixing assembly 7 is arranged on the second connecting ear plate 4 , and the first supporting tube 1 and the second supporting tube 2 and the first connecting ear plate 3 and the second connecting ear plate 4 are fixed by the fixing assembly 7 .

[0037] The utility model provides a casing device for supporting cast-in-place piles in foundation pits. When in use, a second casing 2 composed of two semicircular plates of smaller size is manually inserted into a first casing 1 composed of two semicircular plates of larger size, or the second casing 2 is pulled out from the first casing 1. While inserting, a T-shaped plate 6 on a second connecting ear plate 4 is plugged into a T-shaped groove 5 on a first connecting ear plate 3, so that the second casing 2 can be stably clamped in the first casing 1, and then a fixing component 7 is used to stably fix the second casing 2 and the second connecting ear plate 4 between the first supporting tube 1 and the first connecting ear plate 3, so that the size inside the first supporting tube 1 can be flexibly adjusted to meet the use requirements.

[0038] Furthermore, the fixing assembly 7 includes a first L-shaped plate 71 arranged on the outside of the second connecting ear plate 4, a groove 72 is opened on the first L-shaped plate 71, a second L-shaped plate 73 is arranged on the inner side of the groove 72, a first screw 74 is penetrated through the first L-shaped plate 71, the first screw 74 is rotatably connected to the first L-shaped plate 71, and the second L-shaped plate 73 is threadedly connected to the outer wall of the first screw 74.

[0039] Specifically, the first L-shaped plate 71 and the second L-shaped plate 73 connected thereto are manually clamped on the outer side of the second connecting ear plate 4, and then the hand-tightening disk at one end of the first screw 74 is manually rotated, so that the first screw 74 can drive the second L-shaped plate 73 threadedly connected to its outer wall to move while rotating, and then the second L-shaped plate 73, with the cooperation of the first L-shaped plate 71, can clamp and lock the semicircular plates, the first connecting ear plate 3 and the second connecting ear plate 4 that are in contact with each other.

[0040] Embodiment 2

[0041] Based on the first embodiment, in this embodiment: the outer wall of the first supporting tube 1 is provided with a connecting component 8, and the two adjacent first supporting tubes 1 are quickly clamped and positioned by the connecting component 8, the connecting component 8 is fixedly installed on the first arc plate 81 and the second arc plate 82 on the outer wall of the first supporting tube 1, and the first arc plate 81 is located above the second arc plate 82, and an arc plug-in strip 83 is fixedly installed on the top of the first arc plate 81, and an arc groove 84 is opened on the arc plug-in strip 83, and the arc plug-in strip 83 on the first arc plate 81 is plugged into the arc groove 84 on the other first supporting tube 1.

[0042] The technical solution provided by this embodiment is: when two first supporting tubes 1 are manually stacked, the first arc plate 81 on the first supporting tube 1 will fit with the arc groove 84 on the other first supporting tube 1. At the same time, the arc plug-in strip 83 on the first arc plate 81 is manually aligned and plugged with the arc groove 84 on the other first supporting tube 1, so that the two first supporting tubes 1 can be initially and stably connected together, and at the same time, the two first supporting tubes 1 will not be uneven.

[0043] Furthermore, a locking assembly 9 is provided on the outer side of the connecting assembly 8 , and the first arc plate 81 and the second arc plate 82 that fit each other are locked and fixed by the locking assembly 9 .

[0044] Specifically, the first arc plate 81 and the second arc plate 82 that fit each other are locked by the locking assembly 9 , thereby improving the fixing effect between the two first supporting tubes 1 .

[0045] Furthermore, the locking assembly 9 includes a U-shaped plate 91, on which a second bolt 92 is threadedly connected, a knob plate 93 is fixedly installed on the top of the second bolt 92, and the first arc plate 81 and the second arc plate 82 that fit each other are locked and fixed by the second bolt 92 through the U-shaped plate 91.

[0046] Specifically, the U-shaped plate 91 is manually clamped on the first curved plate 81 and the second curved plate 82 that fit together, and then the knob 93 is manually rotated so that it can drive the second bolt 92 threadedly connected on the U-shaped plate 91 to descend, and make the bottom of the second curved plate 82 contact with the second curved plate 82, thereby locking the first curved plate 81 and the second curved plate 82 that fit together.

[0047] Furthermore, a disc 10 is disposed on the inner side of the U-shaped plate 91 , and the disc 10 is fixedly mounted on the bottom of the second bolt 92 .

[0048] Specifically, the disc 10 can increase the contact area between the second bolt 92 and the second arc-shaped plate 82, thereby improving the fixing effect.

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A casing device for supporting cast-in-place piles in foundation pits, characterized in that: include: A first supporting tube (1) and a second supporting tube (2) inserted inside the first supporting tube (1); The first supporting tube (1) is composed of two semicircular plates of larger size, and the second supporting tube (2) is composed of two semicircular plates of smaller size; A first connecting ear plate (3) is fixedly mounted on both ends of the two semicircular plates with larger sizes, and a second connecting ear plate (4) is fixedly mounted on both ends of the two semicircular plates with smaller sizes, a T-shaped groove (5) is provided on one side of the first connecting ear plate (3) and the second connecting ear plate (4), a T-shaped plate (6) is fixedly mounted on the other side of the first connecting ear plate (3) and the second connecting ear plate (4), and the T-shaped plate (6) on the second connecting ear plate (4) is plugged into the T-shaped groove (5) on the first connecting ear plate (3); A fixing assembly (7), wherein the fixing assembly (7) is arranged on the second connecting ear plate (4), and the first supporting tube (1) and the second supporting tube (2) and the first connecting ear plate (3) and the second connecting ear plate (4) are fixed via the fixing assembly (7).

2. A casing device for supporting cast-in-place piles in foundation pits according to claim 1, characterized in that: The fixing assembly (7) comprises a first L-shaped plate (71) arranged on the outer side of the second connecting ear plate (4), the first L-shaped plate (71) is provided with a groove (72), the inner side of the groove (72) is provided with a second L-shaped plate (73), the first L-shaped plate (71) is provided with a first screw rod (74) passing through, the first screw rod (74) is rotationally connected to the first L-shaped plate (71), and the second L-shaped plate (73) is threadedly connected to the outer side wall of the first screw rod (74).

3. A casing device for supporting cast-in-place piles in foundation pits according to claim 1, characterized in that: The outer side wall of the first supporting tube (1) is provided with a connecting assembly (8), and two adjacent first supporting tubes (1) are quickly snap-fitted and positioned via the connecting assembly (8).

4. A casing device for supporting cast-in-place piles in foundation pits according to claim 3, characterized in that: The connecting assembly (8) is fixedly mounted on a first arc plate (81) and a second arc plate (82) on the outer wall of the first supporting tube (1), and the first arc plate (81) is located above the second arc plate (82), and an arc plug-in strip (83) is fixedly mounted on the top of the first arc plate (81), and an arc groove (84) is formed on the arc plug-in strip (83), and the arc plug-in strip (83) on the first arc plate (81) is plugged into an arc groove (84) on another first supporting tube (1).

5. A casing device for supporting cast-in-place piles in foundation pits according to claim 4, characterized in that: A locking assembly (9) is provided on the outer side of the connecting assembly (8), and the first arc-shaped plate (81) and the second arc-shaped plate (82) which are fitted to each other are locked and fixed by the locking assembly (9).

6. A casing device for supporting cast-in-place piles in foundation pits according to claim 5, characterized in that: The locking assembly (9) comprises a U-shaped plate (91), a second bolt (92) is threadedly connected to the U-shaped plate (91), a knob plate (93) is fixedly mounted on the top of the second bolt (92), and the first arc-shaped plate (81) and the second arc-shaped plate (82) that are in contact with each other are locked and fixed by the second bolt (92) via the U-shaped plate (91).

7. A casing device for supporting cast-in-place piles in foundation pits according to claim 6, characterized in that: A circular disc (10) is arranged on the inner side of the U-shaped plate (91), and the circular disc (10) is fixedly mounted on the bottom of the second bolt (92).

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