Combined steel pipe pile-anchor rod foundation pit supporting structure

Abstract

The utility model belongs to the technical field of foundation pit supporting, and discloses a combined steel pipe pile-anchor rod foundation pit supporting structure which comprises a steel pipe pile, a base is fixedly installed in the middle of the left end of the steel pipe pile, a bearing support is movably connected to the top of the left end of the base, and a baffle plate is fixedly installed at the bottom end of the bearing support. And the right end of the shielding plate is movably connected with the left end of the base. Through the arrangement of the vertical rod, the movable block, the inclined rod, the rectangular block and the threaded rod, when the handle is rotated, the threaded rod rotates, and due to the fact that the outer surface of the threaded rod is connected with the inner surface of the rectangular block in a threaded and sleeved mode, the rectangular block can drive one end of the inclined rod to move along with rotation of the threaded rod; and the other end of the inclined rod generates thrust on the movable block to push the movable block to drive the bearing bracket and the pedestal to move, so that the position of the bearing bracket can be adjusted, and a hole in the pedestal can be conveniently aligned with a hole in a steel pipe pile.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of foundation pit support, and specifically relates to a combined steel pipe pile-anchor rod foundation pit support structure. BACKGROUND

[0002] The combined steel pipe pile-anchor rod foundation pit support structure is a support form widely applied in deep foundation pit engineering, which combines the advantages of steel pipe piles and anchor rods, can effectively control foundation pit deformation, and ensures the safety of the foundation pit and the surrounding environment, wherein the steel pipe pile serves as the main soil retaining structure and bears the earth pressure from the outside of the foundation pit; the anchor rod transmits the earth pressure to the stable stratum through the anchoring force, thereby reducing the displacement and internal force of the steel pipe pile; the two cooperate to form a stable support system and ensure the safety and stability of the foundation pit.

[0003] When the foundation pit is supported by the steel pipe pile-anchor rod, a hole needs to be formed in the steel pipe pile and the soil layer to facilitate the construction of the anchor rod, but in actual use, the support bracket of the anchor rod is usually fixed on the steel pipe pile, so that the pedestal on the support bracket is also fixed, and when the hole is formed, the hole is prone to have height deviation due to the influence of external environmental interference and construction errors, so that the hole on the pedestal and the hole on the steel pipe pile cannot be aligned due to the positional deviation, and therefore improvement is needed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a combined steel pipe pile-anchor rod foundation pit support structure, which has the advantage of facilitating the adjustment of the position of the support bracket.

[0005] To achieve the above object, the utility model provides the following technical scheme: a combined steel pipe pile-anchor rod foundation pit support structure, which comprises a steel pipe pile, a base is fixedly installed at the middle of the left end of the steel pipe pile, a support bracket is movably connected to the top of the left end of the base, a shielding plate is fixedly installed at the bottom end of the support bracket, the right end of the shielding plate is movably connected to the left end of the base, a vertical rod is fixedly sleeved at the left end in the base, a movable block is movably sleeved on the outer surface of the vertical rod, the outer surface of the movable block is movably sleeved with the inner surface of the base, the left end of the movable block is fixedly connected to the bottom of the right end of the support bracket, an inclined rod is hingedly connected to the rear side of the middle of the bottom end of the movable block, a rectangular block is hingedly connected to the other end of the inclined rod, the outer surface of the rectangular block is movably sleeved with the bottom of the inner surface of the base, a threaded rod is threadedly sleeved in the rectangular block, the front and rear ends of the threaded rod respectively penetrate through the base and extend to the outside of the base and are fixedly sleeved with a handle, the outer surface of the handle is movably connected to the outer surface of the base, and a pedestal is fixedly installed at the left side of the top end of the support bracket.

[0006] As the utility model is preferred, the bottom of the base front and rear two ends is respectively connected with the protective shell located outside the handle, the top of the protective shell inside is movably sleeved with the fixed block, the outer surface of the fixed block is fixedly connected with the outer surface of the base.

[0007] As the utility model is preferred, the middle part of the top of the protective shell is fixedly installed with the round rod, the bottom end of the round rod penetrates the fixed block and extends to the outside of the fixed block and is fixedly installed with the square block, the outer surface of the square block is movably connected with the outer surface of the base.

[0008] As the utility model is preferred, the middle part of the top of the square block is fixedly installed with the spring located outside the round rod, the other end of the spring is fixedly connected with the bottom end of the fixed block.

[0009] As the utility model is preferred, the inside of the pedestal is movably sleeved with the steel pull rod, the right side of the outer surface of the steel pull rod is fixedly sleeved with the anchoring body.

[0010] As the utility model is preferred, the top of the left end of the pedestal is movably connected with the pressure bearing plate, the inner surface of the pressure bearing plate is movably sleeved with the outer surface of the steel pull rod, the left end of the pressure bearing plate is movably connected with the anchor device, the inner surface of the anchor device is threadedly sleeved with the outer surface of the steel pull rod.

[0011] As the utility model is preferred, the left end of the steel pipe pile is fixedly installed with the steel waist beam located at the top of the supporting bracket, the left end of the steel waist beam is fixedly connected with the right end of the pedestal.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] The utility model discloses a supporting bracket position adjusting device, pedestal, steel pipe pile, steel waist beam, anchor device, pressure bearing plate, steel pull rod, anchoring body, fixed block, round rod, square block, spring, handle, threaded rod, inclined rod and movable block are arranged, and the threaded rod is movably sleeved with the movable block. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the utility model structure schematic diagram;

[0015] Figure 2 It is the utility model front cross section structure schematic diagram;

[0016] Figure 3 It is the utility model inclined rod cross section structure schematic diagram;

[0017] Figure 4 is a sectional structure schematic view of the utility model;

[0018] Figure 5 is Figure 2 is a partial enlarged structure schematic view of A in the middle;

[0019] Figure 6 is Figure 2 is a partial enlarged structure schematic view of B in the middle;

[0020] Figure 7 is Figure 3 is a partial enlarged structure schematic view of C in the middle;

[0021] Figure 8 is Figure 4 is a partial enlarged structure schematic view of D in the middle.

[0022] In the figure: 1, steel pipe pile; 2, base; 3, bearing support; 4, shielding plate; 5, vertical rod; 6, movable block; 7, inclined rod; 8, rectangular block; 9, threaded rod; 10, handle; 11, pedestal; 12, protective shell; 13, fixed block; 14, round rod; 15, square block; 16, spring; 17, steel pull rod; 18, anchoring body; 19, pressure plate; 20, anchorage device; 21, steel waist beam. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] As Figures 1 to 8As shown, the utility model provides a kind of combined steel pipe pile-anchor rod foundation pit supporting structure, including steel pipe pile 1, the middle part of the left end of steel pipe pile 1 is fixedly installed with base 2, the top of the left end of base 2 is movably connected with supporting bracket 3, the bottom of supporting bracket 3 is fixedly installed with baffle 4, the right end of baffle 4 and the left end of base 2 are movably connected, the left end in the inside of base 2 is fixedly sleeved with vertical rod 5, the outer surface of vertical rod 5 is movably sleeved with movable block 6, the outer surface of movable block 6 and the inner surface of base 2 are movably sleeved, the left end of movable block 6 and the bottom of the right end of supporting bracket 3 are fixedly connected, the rear side of the middle part of the bottom of movable block 6 is hinged with inclined rod 7, the other end of inclined rod 7 is hinged with rectangular block 8, the outer surface of rectangular block 8 and the bottom of the inner surface of base 2 are movably sleeved, the inside of rectangular block 8 is threadedly sleeved with threaded rod 9, the front and rear ends of threaded rod 9 respectively pass through base 2 and extend to the outside of base 2 and are fixedly sleeved with handle 10, the outer surface of handle 10 and the outer surface of base 2 are movably connected, the left side of the top of supporting bracket 3 is fixedly installed with pedestal 11;When rotating handle 10, threaded rod 9 will be rotated, so that rectangular block 8 threadedly sleeved on the outer surface of threaded rod 9 moves, since the upper and lower ends of inclined rod 7 are respectively hinged with movable block 6 and rectangular block 8, so the bottom of inclined rod 7 will move with rectangular block 8, so that the top of inclined rod 7 generates a thrust to movable block 6, and movable block 6 moves along the outer surface of vertical rod 5, at this time, supporting bracket 3 will move with baffle 4 and pedestal 11 along with movable block 6, so as to realize the adjustment of the position of supporting bracket 3 and pedestal 11, thereby improving the convenience of aligning the hole on pedestal 11 and the hole on steel pipe pile 1.

[0025] Wherein, the bottom of the front and rear ends of base 2 is movably connected with protective shell 12 located outside handle 10, the top inside protective shell 12 is movably sleeved with fixed block 13, the outer surface of fixed block 13 and the outer surface of base 2 are fixedly connected;Due to the existence of protective shell 12, it will play a protective role to handle 10, so as to prevent mud and the like from falling on the outer surface of handle 10 during construction, causing the difficulty of rotating handle 10, and the existence of fixed block 13 will play a limiting role to protective shell 12.

[0026] Wherein, the middle part of the top inside protective shell 12 is fixedly installed with round rod 14, the bottom of round rod 14 penetrates fixed block 13 and extends to the outside of fixed block 13 and is fixedly installed with square block 15, the outer surface of square block 15 and the outer surface of base 2 are movably connected;When pushing protective shell 12, protective shell 12 will move with round rod 14 and square block 15 along fixed block 13, fixed block 13 cooperates with round rod 14 to ensure the stability of the movement of protective shell 12, and square block 15 cooperates with round rod 14 to prevent fixed block 13 from falling off.

[0027] The middle part of the top end of the square block 15 is fixedly provided with a spring 16 outside the round rod 14, and the other end of the spring 16 is fixedly connected with the bottom end of the fixed block 13; when the protective shell 12 moves with the round rod 14 and the square block 15, the square block 15 will compress the spring 16, and under the restoring action of the spring 16, the protective shell 12 and the square block 15 will be forced to return to the original position.

[0028] The inside of the pedestal 11 movably sleeves a steel pull rod 17, and the outer surface of the steel pull rod 17 movably sleeves an anchoring body 18 on the right side; the steel pull rod 17 transmits the earth pressure to the stable stratum through the anchoring force, thereby reducing the displacement and internal force of the foundation pit supporting structure, and the anchoring body 18 is formed by cement slurry or cement mortar to bond the steel pull rod 17 and the soil together, thereby ensuring that the steel pull rod 17 can be anchored in the stable stratum.

[0029] The top of the left end of the pedestal 11 movably connects a pressure bearing plate 19, the inner surface of the pressure bearing plate 19 movably sleeves the outer surface of the steel pull rod 17, the left end of the pressure bearing plate 19 movably connects an anchor device 20, and the inner surface of the anchor device 20 threadedly sleeves the outer surface of the steel pull rod 17; the pressure bearing plate 19 and the anchor device 20 are matched with each other, so that the anchoring connection of the steel pull rod 17 and the pedestal 11 is realized, thereby realizing the anchoring of the steel pipe pile 1 in cooperation with the anchoring body 18, further reducing the displacement and internal force of the steel pipe pile 1, forming a stable supporting system in cooperation with the steel pipe pile 1, and ensuring the safety and stability of the foundation pit.

[0030] The left end of the steel pipe pile 1 is fixedly provided with a profile steel waist beam 21 on the top of the supporting bracket 3, and the left end of the profile steel waist beam 21 is fixedly connected with the right end of the pedestal 11; the profile steel waist beam 21 is used to strengthen the stability of the connection between the steel pipe pile 1 and the pedestal 11, thereby ensuring the supporting effect on the foundation pit.

[0031] The working principle and use process of the utility model are as follows:

[0032] In the use of steel pipe pile-anchor to support the foundation pit, if the pedestal 11 and the hole on the steel pipe pile 1 appear height difference after the operation personnel complete the hole, the operation personnel first move the protective shell 12, so that the protective shell 12 moves and compresses the spring 16 with the round rod 14 and the square block 15, thereby exposing the handle 10, then the operation personnel can rotate the handle 10, so that the threaded rod 9 rotates, thereby making the rectangular block 8 with the threaded rod 9 outside the surface of the threaded rod 9 moves with one end of the inclined rod 7, and then the other end of the inclined rod 7 generates a thrust force on the movable block 6, pushing the movable block 6 with the supporting bracket 3 and the pedestal 11 to move along the outer surface of the vertical rod 5, until the hole on the pedestal 11 and the hole on the steel pipe pile 1 are aligned, then the operation personnel can insert the steel pull rod 17 and follow up the pouring of the anchoring body 18, so as to realize the adjustment of the position of the supporting bracket 3, thereby facilitating the alignment of the hole on the pedestal 11 and the hole on the steel pipe pile 1.

[0033] After the position adjustment of the supporting bracket 3 and the pedestal 11 is completed, the operation personnel releases the protective shell 12, at this time under the restoring action of the spring 16, the square block 15 will restore the original position with the protective shell 12 through the round rod 14, thereby shielding and protecting the handle 10, preventing mud and the like from falling on the outer surface of the handle 10 during construction, so as to prevent the handle 10 from being affected and stuck.

[0034] It should be noted that in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A combined steel pipe pile-anchor foundation pit support structure, comprising steel pipe piles (1), characterized in that: A base (2) is fixedly installed at the middle of the left end of the steel pipe pile (1). A support bracket (3) is movably connected to the top of the left end of the base (2). A baffle plate (4) is fixedly installed at the bottom of the support bracket (3). The right end of the baffle plate (4) is movably connected to the left end of the base (2). A vertical rod (5) is fixedly sleeved inside the left end of the base (2). A movable block (6) is movably sleeved on the outer surface of the vertical rod (5). The outer surface of the movable block (6) is movably sleeved on the inner surface of the base (2). The left end of the movable block (6) is fixedly connected to the bottom of the right end of the support bracket (3). Next, a diagonal rod (7) is hinged to the rear side of the bottom middle of the movable block (6), and a rectangular block (8) is hinged to the other end of the diagonal rod (7). The outer surface of the rectangular block (8) is movably connected to the bottom of the inner surface of the base (2). A threaded rod (9) is threaded inside the rectangular block (8). The front and rear ends of the threaded rod (9) pass through the base (2) and extend to the outside of the base (2) and are fixedly connected to a handle (10). The outer surface of the handle (10) is movably connected to the outer surface of the base (2). A pedestal (11) is fixedly installed on the left side of the top of the support bracket (3).

2. The combined steel pipe pile-anchor foundation pit support structure according to claim 1, characterized in that: The bottom of the front and rear ends of the base (2) are respectively movably connected to a protective shell (12) located outside the handle (10). The top of the inner part of the protective shell (12) is movably fitted with a fixing block (13), and the outer surface of the fixing block (13) is fixedly connected to the outer surface of the base (2).

3. The combined steel pipe pile-anchor foundation pit support structure according to claim 2, characterized in that: A round rod (14) is fixedly installed in the middle of the top of the inner end of the protective shell (12). The bottom end of the round rod (14) passes through the fixing block (13) and extends to the outside of the fixing block (13) and is fixedly installed with a square block (15). The outer surface of the square block (15) is movably connected to the outer surface of the base (2).

4. The combined steel pipe pile-anchor foundation pit support structure according to claim 3, characterized in that: A spring (16) located outside the round rod (14) is fixedly installed at the middle of the top of the square block (15), and the other end of the spring (16) is fixedly connected to the bottom end of the fixed block (13).

5. The combined steel pipe pile-anchor foundation pit support structure according to claim 1, characterized in that: The base (11) is internally fitted with a steel tie rod (17), and an anchor body (18) is fixedly fitted on the right side of the outer surface of the steel tie rod (17).

6. The combined steel pipe pile-anchor foundation pit support structure according to claim 1, characterized in that: A pressure plate (19) is movably connected to the top of the left end of the pedestal (11). The inner surface of the pressure plate (19) and the outer surface of the steel tie rod (17) are movably sleeved together. An anchor (20) is movably connected to the left end of the pressure plate (19). The inner surface of the anchor (20) and the outer surface of the steel tie rod (17) are threaded together.

7. The combined steel pipe pile-anchor foundation pit support structure according to claim 1, characterized in that: The steel pipe pile (1) is fixedly installed with a steel waist beam (21) located on the top of the support bracket (3), and the left end of the steel waist beam (21) is fixedly connected to the right end of the platform (11).

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