Pile casing device for foundation pit fender pile construction

Abstract

The utility model discloses a pile casing device for foundation pit fender post construction, which belongs to the technical field of foundation pit maintenance and comprises a pile casing, an outer cylinder is sleeved outside the pile casing, the outer cylinder is fixedly connected with the pile casing, an interlayer is arranged between the outer cylinder and the pile casing, a plurality of inserting rods are uniformly arranged in the interlayer, and the inserting rods are in sliding fit with the interlayer. A clamping assembly is arranged outside the inserting rod, a pushing assembly is arranged in the interlayer, the two output ends of the pushing assembly are connected with the inserting rod and the clamping assembly correspondingly, a plurality of hydraulic cylinders are evenly arranged in the interlayer, the hydraulic cylinders are fixedly connected with the pile casing, the hydraulic cylinders are vertically arranged, and the output ends of the hydraulic cylinders are connected with bearing rings. And the bearing ring is arranged on the pile casing in a sleeving mode, the bearing ring is fixedly connected with the output end of the pushing assembly, fixing can be conveniently carried out, and stability is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of foundation pit maintenance, more particularly to a kind of foundation pit retaining pile construction casing device. BACKGROUND

[0002] Casing is used for bored pile construction operation, made of steel, cylindrical. Generally steel casing, wall thickness 10mm. Generally play the role of construction prevention fixation. Casing connection requires no protrusions in the barrel, should be resistant to tension, compression, not leak.

[0003] The existing casing directly adopts cylindrical steel pipe, and the existing casing needs to be inserted into the foundation pit when in use, protects the side of the foundation pit by the casing, to avoid collapse, and the casing needs to be supported by a support rod after being installed into the foundation pit. The support rod is troublesome to install, and the number of support rods is large, so the labor intensity is large, and the efficiency is affected. To solve the above problems, a solution is proposed. UTILITARIAN CONTENT

[0004] In view of the problems existing in the prior art, the utility model aims to provide a kind of foundation pit retaining pile construction casing device, it can realize the fixation of convenience, guarantee stability.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A kind of foundation pit retaining pile construction casing device, including casing, the outer sleeve of the casing is provided with outer tube, the outer tube and casing are fixedly connected, the outer tube and casing are provided with interlayer, the interlayer is uniformly provided with several inserting rods, the inserting rod and interlayer are slidingly engaged, the outer portion of the inserting rod is provided with clamping assembly, the interlayer is provided with pusher assembly, the two output ends of the pusher assembly are connected with inserting rod and clamping assembly respectively, the interlayer is uniformly arranged with multiple hydraulic cylinders, the hydraulic cylinder and casing are fixedly connected, the hydraulic cylinder is vertically arranged, the output end of the hydraulic cylinder is connected with receiving ring, the receiving ring is sleeved on the casing, and the receiving ring and the output end of pusher assembly are fixedly connected.

[0007] Preferably, the pushing assembly comprises a mounting frame, an outer ring, an inner ring, a fixed rod, a spring and a connecting piece, the mounting frame is fixed to the outer side of the casing, the inner ring is sleeved outside the mounting frame, the inner ring and the mounting frame are in sliding fit, the outer ring is sleeved outside the inner ring, and the outer ring and the inner ring are in sliding fit, the inner ring is provided with a sliding groove in the side surface, the sliding groove penetrates the inner and outer side surfaces of the inner ring, the inner side surface of the outer ring is provided with a corresponding bayonet, the fixed rod is arranged in the sliding groove in a sliding mode, the side surface of the fixed rod is fixedly connected with the limiting block, the spring is arranged in the limiting slot in a sliding mode, and the two ends of the spring are fixedly connected with the limiting slot and the limiting block, the outer side of the mounting frame is provided with a notch, the notch corresponds to one end of the sliding groove, the upper side of one end of the fixed rod close to the notch is inclined, and the connecting piece is provided with a plurality of connecting pieces.

[0008] Preferably, the connecting piece comprises a first connecting rod and a second connecting rod, the two ends of the first connecting rod are connected with the outer ring and the clamping assembly respectively, and the two ends of the second connecting rod are fixedly connected with the inserting rod and the inner ring.

[0009] Preferably, the outer side surface of the inner ring is provided with a plurality of guide grooves arranged vertically, and the guide grooves are internally and slidably provided with guide blocks fixedly connected with the inner side surface of the outer ring.

[0010] Preferably, the clamping assembly comprises a top sleeve, a lower baffle and an upper baffle, the upper baffles and the lower baffles are provided with a plurality of upper baffles and a plurality of lower baffles, the plurality of lower baffles are hingedly connected with the side surface of the inserting rod, the plurality of upper baffles are hingedly connected with the other ends of the lower baffles respectively, the top sleeve is sleeved on the inserting rod, and the upper baffles are hingedly connected with the top sleeve.

[0011] Preferably, the outer side surface of the mounting frame is provided with a track groove, the track groove is internally and slidably provided with a track block fixedly connected with the inner ring.

[0012] Preferably, the bottom of the inserting rod is conical.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The inner ring is slid along the mounting frame, the connecting piece is moved by the movement of the outer ring and the inner ring, the insertion rod and the clamping assembly are moved by the connecting piece, the insertion rod and the clamping assembly are inserted into the ground, when the fixed rod moves to the position corresponding to the notch, the elastic force of the spring will push the fixed rod to be clamped into the notch, that is, the fixed rod and the notch are separated, the movement of the outer ring will not drive the movement of the inner ring, the outer ring will drive the movement of the clamping assembly through the connecting piece, that is, the relative movement between the clamping assembly and the insertion rod occurs, and the clamping assembly is deformed and clamped with the ground.

[0015] The inner ring is slid along the mounting frame, the connecting piece is moved by the movement of the outer ring and the inner ring, the insertion rod and the clamping assembly are moved by the connecting piece, the insertion rod and the clamping assembly are inserted into the ground, when the fixed rod moves to the position corresponding to the notch, the elastic force of the spring will push the fixed rod to be clamped into the notch, that is, the fixed rod and the notch are separated, the movement of the outer ring will not drive the movement of the inner ring, the outer ring will drive the movement of the clamping assembly through the connecting piece, that is, the relative movement between the clamping assembly and the insertion rod occurs, and the clamping assembly is deformed and clamped with the ground.

[0016] The inner ring is slid along the mounting frame, the connecting piece is moved by the movement of the outer ring and the inner ring, the insertion rod and the clamping assembly are moved by the connecting piece, the insertion rod and the clamping assembly are inserted into the ground, when the fixed rod moves to the position corresponding to the notch, the elastic force of the spring will push the fixed rod to be clamped into the notch, that is, the fixed rod and the notch are separated, the movement of the outer ring will not drive the movement of the inner ring, the outer ring will drive the movement of the clamping assembly through the connecting piece, that is, the relative movement between the clamping assembly and the insertion rod occurs, and the clamping assembly is deformed and clamped with the ground.

[0017] The inner ring is slid along the mounting frame, the connecting piece is moved by the movement of the outer ring and the inner ring, the insertion rod and the clamping assembly are moved by the connecting piece, the insertion rod and the clamping assembly are inserted into the ground, when the fixed rod moves to the position corresponding to the notch, the elastic force of the spring will push the fixed rod to be clamped into the notch, that is, the fixed rod and the notch are separated, the movement of the outer ring will not drive the movement of the inner ring, the outer ring will drive the movement of the clamping assembly through the connecting piece, that is, the relative movement between the clamping assembly and the insertion rod occurs, and the clamping assembly is deformed and clamped with the ground.

[0018] The inner ring is slid along the mounting frame, the connecting piece is moved by the movement of the outer ring and the inner ring, the insertion rod and the clamping assembly are moved by the connecting piece, the insertion rod and the clamping assembly are inserted into the ground, when the fixed rod moves to the position corresponding to the notch, the elastic force of the spring will push the fixed rod to be clamped into the notch, that is, the fixed rod and the notch are separated, the movement of the outer ring will not drive the movement of the inner ring, the outer ring will drive the movement of the clamping assembly through the connecting piece, that is, the relative movement between the clamping assembly and the insertion rod occurs, and the clamping assembly is deformed and clamped with the ground.

[0019] The inner ring is slid along the mounting frame, the connecting piece is moved by the movement of the outer ring and the inner ring, the insertion rod and the clamping assembly are moved by the connecting piece, the insertion rod and the clamping assembly are inserted into the ground, when the fixed rod moves to the position corresponding to the notch, the elastic force of the spring will push the fixed rod to be clamped into the notch, that is, the fixed rod and the notch are separated, the movement of the outer ring will not drive the movement of the inner ring, the outer ring will drive the movement of the clamping assembly through the connecting piece, that is, the relative movement between the clamping assembly and the insertion rod occurs, and the clamping assembly is deformed and clamped with the ground.

[0020] The inner ring is slid along the mounting frame, the connecting piece is moved by the movement of the outer ring and the inner ring, the insertion rod and the clamping assembly are moved by the connecting piece, the insertion rod and the clamping assembly are inserted into the ground, when the fixed rod moves to the position corresponding to the notch, the elastic force of the spring will push the fixed rod to be clamped into the notch, that is, the fixed rod and the notch are separated, the movement of the outer ring will not drive the movement of the inner ring, the outer ring will drive the movement of the clamping assembly through the connecting piece, that is, the relative movement between the clamping assembly and the insertion rod occurs, and the clamping assembly is deformed and clamped with the ground. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is a sectional structure schematic view of the utility model;

[0023] Figure 3 It is a schematic view of the enlarged structure of A of the utility model;

[0024] Figure 4 It is a schematic view of the enlarged structure of B of the utility model;

[0025] Figure 5The three-dimensional structure schematic diagram of the clamping assembly of the utility model;

[0026] Figure 6 The structure schematic diagram of the guide groove, guide block, track groove and track block of the utility model.

[0027] Mark explanation in the drawing:

[0028] 1, pile; 2, outer tube; 3, interlayer; 4, plug rod; 5, clamping assembly; 6, pushing assembly; 7, hydraulic cylinder; 8, receiving ring; 9, mounting frame; 10, outer ring; 11, inner ring; 12, fixed rod; 13, spring; 14, connecting piece; 15, sliding groove; 16, bayonet; 17, limiting groove; 18, limiting block; 19, recess; 20, inclined surface; 21, first connecting rod; 22, second connecting rod; 23, guide groove; 24, guide block; 25, top sleeve; 26, lower baffle; 27, upper baffle; 28, track groove; 29, track block. DETAILED DESCRIPTION

[0029] Example 1:

[0030] Please refer to Figures 1-6 A foundation pit support pile construction pile device, including pile 1, pile 1 is round pipe shape, the outer sleeve of pile 1 is provided with outer tube 2, outer tube 2 is cylindrical, outer tube 2 and pile 1 concentric, outer tube 2 and pile 1 between the interlayer 3 is formed, the interlayer 3 between the arc-shaped plate is provided with, arc-shaped plate and pile 1 and outer tube 2 fixedly connected, the interlayer 3 inside is uniformly provided with a plurality of hydraulic cylinders 7, hydraulic cylinder 7 is arranged in a circular array, hydraulic cylinder 7 and pile 1 fixedly connected, hydraulic cylinder 7 is vertically placed, the output end of hydraulic cylinder 7 is connected with receiving ring 8, receiving ring 8 is sleeved on pile 1, and receiving ring 8 and pile 1 sliding fit.

[0031] The bottom of the receiving ring 8 is provided with a pushing assembly 6, the pushing assembly 6 comprises a mounting frame 9, an outer ring 10, an inner ring 11, a fixed rod 12, a spring 13 and a connecting piece 14, the mounting frame 9 is annular, the mounting frame 9 is sleeved on the casing 1, the mounting frame 9 and the casing 1 are fixedly connected, the inner ring 11 is sleeved on the outside of the mounting frame 9, the outer side surface of the mounting frame 9 is provided with a plurality of track grooves 28, the track grooves 28 are vertically arranged, a plurality of track blocks 29 are slidably arranged in the track grooves 28 respectively, the track blocks 29 and the inner ring 11 are fixedly connected, the design of the track grooves 28 and the track blocks 29 can ensure the stable movement between the inner ring 11 and the mounting frame 9, and rotation is avoided, the outer ring 10 is sleeved on the outside of the inner ring 11, a plurality of guide grooves 23 are formed in the outer side surface of the inner ring 11, the guide grooves 23 are vertically arranged, a guide block 24 is slidably arranged in the inside of the guide groove 23, the guide block 24 and the inner side surface of the outer ring 10 are fixedly connected, the design of the guide groove 23 and the guide block 24 can ensure the stable movement between the outer ring 10 and the inner ring 11, and rotation between the outer ring 10 and the inner ring 11 is avoided, the top of the receiving ring 8 and the outer ring 10 are fixedly connected, a plurality of sliding grooves 15 are formed in the side surface of the inner ring 11, the sliding grooves 15 are arranged radially with the center of the inner ring 11, the sliding grooves 15 penetrate the inner and outer side surfaces of the inner ring 11, a plurality of clamping grooves 16 are formed in the inner side surface of the outer ring 10, a plurality of notches 19 are formed in the mounting frame 9, the notches 19, the clamping grooves 16 and the corresponding sliding grooves 15 are located on the same vertical plane, the fixed rod 12 is slidably arranged in the sliding grooves 15, the other end of the fixed rod 12 is located in the clamping groove 16, so that the outer ring 10 and the inner ring 11 are clamped and can realize synchronous movement, the upper side surface of the end of the fixed rod 12 close to the notch 19 is inclined, the side surface of the sliding groove 15 is provided with a limiting groove 17, the axial direction of the limiting groove 17 is parallel to the axial direction of the sliding groove 15, a limiting block 18 is slidably arranged in the limiting groove 17, the limiting block 18 and the side surface of the fixed rod 12 are fixedly connected, the spring 13 is arranged in the limiting groove 17, and the two ends of the spring 13 are fixedly connected with the limiting groove 17 and the limiting block 18 respectively.

[0032] The left and right movement of the fixed rod 12 is controlled by the spring 13, one end of the fixed rod 12 is connected with the notch 19 or the clamping groove 16, so that the independent movement of the outer ring 10 or the synchronous movement of the outer ring 10 and the inner ring 11 is realized.

[0033] The connecting piece 14 is provided with a plurality of connecting pieces 14 arranged in a circumferential array, the connecting piece 14 comprises a first connecting rod 21 and a second connecting rod 22, the first connecting rod 21 is installed at the bottom of the outer ring 10, the second connecting rod 22 is installed at the bottom of the inner ring 11, the bottom of the second connecting rod 22 is fixedly connected with the plug rod 4, the bottom of the plug rod 4 is conical, the conical design can facilitate insertion into the ground, the bottom of the first connecting rod 21 is provided with a clamping assembly 5, the clamping assembly 5 comprises a top sleeve 25, a lower baffle 26 and an upper baffle 27, the upper baffle 27 and the lower baffle 26 are provided with a plurality of, the plurality of lower baffles 26 are hinged with the side surface of the plug rod 4, the plurality of upper baffles 27 are respectively hinged with the other end of the lower baffles 26, the top sleeve 25 is sleeved on the plug rod 4, and the upper baffles 27 are hinged with the top sleeve 25.

[0034] The pushing assembly 6 pushes the plug rod 4 and the clamping assembly 5 to move synchronously, and is inserted into the bottom of the foundation pit, when the plug rod 4 is pushed into place, the pushing assembly 6 continues to push the clamping assembly 5 to move, when the clamping assembly 5 and the plug rod 4 move relatively, the clamping assembly 5 is unfolded and clamped with the land, the connection stability between the plug rod 4 and the ground is increased, and the connection stability between the casing 1 and the foundation pit is ensured through the plug rod 4 and the clamping assembly 5.

[0035] Working principle:

[0036] In use, the outer cylinder 2 and the casing 1 are placed into the foundation pit by external hoisting equipment until the bottom of the outer cylinder 2 and the casing 1 contacts with the bottom of the foundation pit, the receiving ring 8 is driven to move by the hydraulic cylinder 7, the receiving ring 8 drives the outer ring 10 to move, the outer ring 10 drives the inner ring 11 to move through the fixed rod 12, so as to drive the first connecting rod 21 and the second connecting rod 22 to move, the first connecting rod 21 and the second connecting rod 22 simultaneously drive the plug rod 4 and the upper baffles 27 and the lower baffles 26 to be inserted into the ground, the outer ring 10 and the inner ring 11 move on the mounting frame 9 until the sliding groove 15 on the inner ring 11 corresponds to the notch 19 on the mounting frame 9, the spring 13 pushes the limiting block 18 to move, the limiting block 18 drives the fixed rod 12 to move, the fixed rod 12 is inserted into the notch 19, that is, the fixed rod 12 is moved out of the bayonet 16, the outer ring 10 and the inner ring 11 are separated, the inner ring 11 stops moving, that is, the plug rod 4 stops moving, the outer ring 10 continues to move, the outer ring 10 drives the top sleeve 25 to move, the top sleeve 25 exerts pressure on the upper baffles 27 and the lower baffles 26, that is, the upper baffles 27 and the lower baffles 26 are rotated from the vertical state to the horizontal state, so as to be clamped on the ground, and the connection is ensured.

Claims

1. A construction casing device for a foundation pit retaining pile, characterized in that: The utility model provides a kind of protective tube (1), the protective tube (1) is externally sleeved with outer tube (2), the outer tube (2) and protective tube (1) are fixedly connected, the outer tube (2) and protective tube (1) between being provided with interlayer (3), the interlayer (3) inside is uniformly provided with several inserting rods (4), the inserting rod (4) and interlayer (3) between sliding fit, the outside of inserting rod (4) is provided with clamping assembly (5), the interlayer (3) inside is provided with push assembly (6), the two output ends of push assembly (6) are connected with inserting rod (4) and clamping assembly (5) respectively, the interlayer (3) inside is uniformly arranged with multiple hydraulic cylinders (7), the hydraulic cylinder (7) and protective tube (1) are fixedly connected, the hydraulic cylinder (7) is vertically arranged, the output end of hydraulic cylinder (7) is connected with receiving ring (8), receiving ring (8) is sleeved on protective tube (1), and the receiving ring (8) and the output end of push assembly (6) are fixedly connected.

2. The construction of a retaining pile of a foundation pit according to claim 1, characterized in that: The push assembly (6) includes a mounting frame (9), an outer ring (10), an inner ring (11), a fixed rod (12), a spring (13), and a connecting piece (14). The mounting frame (9) is fixed to the outer side of the protective tube (1). The inner ring (11) is sleeved on the outside of the mounting frame (9) and slidingly fitted with the mounting frame (9). The outer ring (10) is sleeved on the outside of the inner ring (11) and slidingly fitted with the inner ring (11). The receiving ring (8) is fixedly connected with the outer ring (10). The side of the inner ring (11) is provided with a sliding groove (15) that penetrates the inner and outer sides of the inner ring (11). The inner side of the outer ring (10) is provided with a bayonet (16) corresponding to the sliding groove (15). The fixed rod (12) is slidingly arranged in the sliding groove (15). The side of the sliding groove (15) is provided with a limiting groove (17) whose axial direction is parallel to that of the sliding groove (15). The limiting groove (17) is slidingly provided with a limiting block (18) fixedly connected with the side of the fixed rod (12). The spring (13) is arranged in the limiting groove (17) and fixedly connected with the limiting groove (17) and the limiting block (18) at both ends. The mounting frame (9) is provided with a recess (19) corresponding to one end of the sliding groove (15). The upper side of the end of the fixed rod (12) close to the recess (19) is a bevel (20). The connecting piece (14) is provided with several output ends connected with one end of the inserting rod (4) and one end of the clamping assembly (5), and an input end connected with the outer ring (10) and the inner ring (11).

3. The construction of a retaining pile of a foundation pit according to claim 2, characterized in that: The connecting piece (14) includes a first connecting rod (21) and a second connecting rod (22). The two ends of the first connecting rod (21) are connected with the outer ring (10) and the clamping assembly (5) respectively. The two ends of the second connecting rod (22) are fixedly connected with the inserting rod (4) and the inner ring (11) respectively.

4. The construction of a retaining pile of a foundation pit according to claim 2, characterized in that: The outer side of the inner ring (11) is provided with a plurality of guide grooves (23), the guide grooves (23) are vertically arranged, the inner side of the guide grooves (23) is slidably provided with a guide block (24), and the guide block (24) is fixedly connected with the outer ring (10).

5. The construction pile casing device for a retaining pile of a foundation pit according to claim 1, characterized in that: The clamping assembly (5) comprises a top sleeve (25), a lower baffle (26) and an upper baffle (27), the upper baffles (27) and the lower baffles (26) are both provided with a plurality of, a plurality of the lower baffles (26) are hingedly connected with the side surface of the insertion rod (4), a plurality of the upper baffles (27) are respectively hingedly connected with the other end of the lower baffles (26), the top sleeve (25) is sleeved on the insertion rod (4), and the upper baffles (27) are hingedly connected with the top sleeve (25).

6. The construction of a retaining pile of a foundation pit according to claim 2, characterized in that: The outer side of the mounting frame (9) is provided with a track groove (28), the track groove (28) is slidably provided with a track block (29), and the track block (29) is fixedly connected with the inner ring (11).

7. The construction pile casing device of a foundation enclosure pile according to claim 1, characterized in that: The bottom of the insertion rod (4) is conical.

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