Foundation pit supporting and protecting structure

Abstract

The utility model discloses a foundation pit supporting and protecting structure, which relates to the technical field of foundation pit supporting and comprises two bases, baffles are rotatably arranged on the bases, a first insertion block is fixedly arranged on one side of each baffle, a second insertion block is fixedly arranged on one side of each baffle, a first cavity is formed in one side of each baffle, and a second cavity is formed in one side of each baffle. And clamping mechanisms are arranged in the first cavities. By additionally arranging the clamping mechanism, the splicing mode between the baffles becomes simpler and more convenient, the baffles can be quickly mounted and dismounted, the practicability of the device is improved, the angle between the base and the baffles can be adjusted through the matched work of the adjusting block and the adjusting rod, and the practicability of the device is improved. And the device can be adjusted according to the shape of the foundation pit, so that the device is attached to the foundation pit to the maximum extent, protection work can be better carried out, the underground fixing effect of the fixing pins becomes better, and the phenomenon of displacement of the device in the using process is prevented.

Description

Technical Field

[0001] The utility model relates to the field of foundation pit support, in particular to a foundation pit support protection structure. Background Art

[0002] With the large-scale product equipment and high-rise buildings, the foundation burial depth increases accordingly. Therefore, deep foundation pit construction is often encountered in current engineering construction. Deep foundation pit operations under silty soil conditions are common in northern my country. Since silty soil is soft, unstable, and the groundwater level is high, effective technical measures must be taken during the excavation of deep foundation pits to ensure the stability of the foundation pit slope, groundwater drainage, and safe operation of construction machinery, so as to ensure the safety of construction personnel and construction machinery.

[0003] In the prior art, individual support structures are combined into foundation pit support and protection structures by splicing each other. However, the splicing methods available on the market are relatively complicated and require the cooperation of a large number of bolts and nuts for fixation. Installation and disassembly are relatively troublesome, which reduces the work efficiency of operators and the practicality needs to be improved. Utility Model Content

[0004] The utility model aims to solve the disadvantages of the prior art that both installation and disassembly are troublesome, and proposes a foundation pit supporting and protecting structure.

[0005] In order to solve the problems existing in the prior art, the utility model adopts the following technical solutions:

[0006] A foundation pit support and protection structure, comprising two bases, each of which is rotatably provided with a baffle, each of which is fixed with a first plug-in block on one side of the baffle, each of which is fixed with a second plug-in block on one side of the baffle, each of which is provided with a first cavity on one side of the baffle, each of which is provided with a second cavity on one side of the baffle, and each of which is provided with a clamping mechanism in the first cavity;

[0007] The locking mechanism includes a locking block, a first spring, a locking rod, a locking groove, a second spring and a round rod. The locking block is rotatably connected in the first chamber, the first spring is fixedly connected in the first chamber, the upper end of the first spring is fixedly connected to the locking block, the locking rod is fixedly connected to the first plug block, a locking groove is provided on the locking rod, the second spring is fixedly connected in the first chamber, and the lower end of the round rod is fixedly connected to the upper end of the second spring.

[0008] Preferably, a plurality of pairs of adjustment blocks are fixedly provided on the base, two adjustment rods are provided above the base, the adjustment rods are rotatably connected to the baffle, two bolts are provided above the base, nuts are threaded on the bolts, and the bolts and nuts fix the adjustment blocks and the adjustment rods together.

[0009] Preferably, four fixing pins are inserted on the base, and the lower ends of the fixing pins are in a pointed cone shape.

[0010] Preferably, a rotating rod is provided on the internal thread of the fixing pin, a pressing block is fixedly provided on the lower end of the rotating rod, and two extending blocks are slidably provided on the fixing pin.

[0011] Preferably, a pressing rod is slidably provided on the first inserting block, a third spring is fixedly provided on the first inserting block, and the upper end of the third spring is fixedly connected to the upper end of the pressing rod.

[0012] Preferably, two limiting rods are fixedly provided on the round rod, two limiting grooves are provided in the first chamber, and the limiting rods are slidably connected to the limiting grooves.

[0013] Preferably, the lower pressing block is larger at the top and smaller at the bottom, the upper end of the rotating rod is nut-shaped, and the lower end is provided with threads.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, the first spring drives the card block to rotate, and the card block is inserted into the card slot, so that the baffles are quickly installed, and the lower pressure rod drives the card block to rotate, and the card block is disengaged from the card slot, so that the baffles are quickly disassembled, and the splicing method between the baffles becomes simpler, and the baffles can be quickly installed and disassembled, and the practicality of the device is improved;

[0016] 2. In the utility model, bolts and nuts fix the adjustment rod between different adjustment blocks, so that the angle between the base and the baffle can be adjusted, and can be adjusted according to the shape of the foundation pit, so that the device can fit the foundation pit to the greatest extent and can better perform protection work;

[0017] 3. By adding an extension block, the contact area between the bottom of the device and the ground is increased, so that the fixing effect of the fixing pin on the ground becomes better, preventing the device from shifting during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the baffle of the utility model;

[0021] Figure 3This is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the fixing pin structure of the utility model;

[0023] Figure 5 This is a schematic cross-sectional structural diagram of a fixing pin of the utility model;

[0024] Figure 6 For the utility model Figure 1 A is an enlarged schematic diagram.

[0025] Serial numbers in the figure: 1. base; 11. baffle; 12. first plug-in block; 13. second plug-in block; 14. first chamber; 15. second chamber; 16. locking mechanism; 161. clamping block; 162. first spring; 163. clamping rod; 164. clamping slot; 165. second spring; 166. round rod; 2. adjusting block; 21. adjusting rod; 22. bolt; 23. nut; 3. fixing pin; 4. rotating rod; 41. pressing block; 42. extending block; 5. pressing rod; 51. third spring; 6. limiting rod; 61. limiting slot. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Embodiment 1: This embodiment provides a foundation pit support and protection structure, see Figure 1-6 Specifically, it comprises two bases 1, each of which is rotatably provided with a baffle 11, each of which is fixed with a first plug 12 on one side of the baffle 11, each of which is fixed with a second plug 13 on one side of the baffle 11, each of which is provided with a first chamber 14 on one side of the baffle 11, each of which is provided with a second chamber 15 on one side of the baffle 11, and each of which is provided with a locking mechanism 16 in the first chamber 14;

[0028] The engaging mechanism 16 comprises a block 161, a first spring 162, a rod 163, a slot 164, a second spring 165 and a round rod 166. The block 161 is rotatably connected in the first chamber 14. The first spring 162 is fixedly connected in the first chamber 14. The upper end of the first spring 162 is fixedly connected to the block 161. The rod 163 is fixedly connected to the first plug block 12. The rod 163 is provided with a slot 164. The second spring 165 is fixedly connected in the first chamber 14. The lower end of the round rod 166 is fixedly connected to the upper end of the second spring 165.

[0029] A downward pressure rod 5 is slidably provided on the first plug block 12, a third spring 51 is fixedly provided on the first plug block 12, the upper end of the third spring 51 is fixedly connected to the upper end of the downward pressure rod 5, two limiting rods 6 are fixedly provided on the round rod 166, two limiting grooves 61 are provided in the first chamber 14, and the limiting rod 6 is slidably connected to the limiting groove 61.

[0030] In the specific implementation process, Figure 1 and Figure 3 As shown, when the baffles 11 are spliced, the first plug block 12 and the second plug block 13 on one baffle 11 are respectively inserted into the first chamber 14 and the second chamber 15 on the other baffle 11, and the baffle 11 at a higher position is pressed downward, and the clamping rod 163 at the lower end of the first plug block 12 squeezes the clamping block 161 to rotate, and the clamping rod 163 slides below one end of the clamping block 161, and the clamping rod 163 compresses the round rod 166, and the round rod 166 compresses the second spring 165 until the clamping block 161 is just clamped into the clamping groove 164, wherein the limiting rod 6 moves along the limiting groove 61 The second plug-in block 13 slides to the bottom along the second chamber 15, and the two baffles 11 are fully engaged to complete the splicing; when the baffle 11 is separated, the lower pressure rod 5 is pressed downward, and the lower pressure rod 5 squeezes one end of the block 161, so that the block 161 rotates. When the other end of the block 161 is completely out of the slot 164, the second spring 165 pushes the rod 163 upward through the round rod 166, and then pulls up a baffle 11, so that the first plug-in block 12 and the second plug-in block 13 are out of the first chamber 14 and the second chamber 15.

[0031] Embodiment 2: Based on Embodiment 1, this embodiment further includes:

[0032] In the specific implementation process, Figure 6 As shown, a plurality of pairs of adjusting blocks 2 are fixedly provided on the base 1, two adjusting rods 21 are provided on the top of the base 1, the adjusting rods 21 are rotatably connected to the baffle 11, two bolts 22 are provided on the top of the base 1, nuts 23 are threaded on the bolts 22, and the bolts 22 and nuts 23 are fixedly connected together to fix the adjusting blocks 2 and the adjusting rods 21;

[0033] The angle between the base 1 and the baffle 11 is adjusted according to the shape of the foundation pit, and the lower end of the adjustment rod 21 is placed between the corresponding adjustment blocks 2 and fixed by bolts 22 and nuts 23.

[0034] In the specific implementation process, Figure 4 and Figure 5 As shown, four fixing pins 3 are inserted on the base 1, the lower end of the fixing pin 3 is in a pointed cone shape, the fixing pin 3 is internally threaded with a rotating rod 4, the lower end of the rotating rod 4 is fixed with a lower pressing block 41, two extension blocks 42 are slidably provided on the fixing pin 3, the lower pressing block 41 is larger at the top and smaller at the bottom, the upper end of the rotating rod 4 is in a nut shape, and the lower end is provided with a thread;

[0035] First, the fixing pin 3 is buried underground, and then the rotating rod 4 is rotated. The rotating rod 4 drives the pressing block 41 to move downward, and the pressing block 41 squeezes the extending block 42 to move outward from the fixing pin 3, thereby increasing the force-bearing volume and enhancing stability.

[0036] Specifically, the working principle and operation method of the utility model are as follows:

[0037] Step 1: first bury the fixing pin 3 underground, then rotate the rotating rod 4, the rotating rod 4 drives the pressing block 41 to move downward, the pressing block 41 squeezes the extending block 42 to move outward from the fixing pin 3, thereby increasing the force-bearing volume and enhancing stability;

[0038] Step 2: adjust the angle between the base 1 and the baffle 11 according to the shape of the foundation pit, place the lower end of the adjustment rod 21 between the corresponding adjustment blocks 2, and fix them with bolts 22 and nuts 23;

[0039] Step 3: When splicing the baffles 11, the first plug block 12 and the second plug block 13 on one baffle 11 are respectively inserted into the first chamber 14 and the second chamber 15 on the other baffle 11, and the baffle 11 at a higher position is pressed downward, and the clamping rod 163 at the lower end of the first plug block 12 squeezes the clamping block 161 to rotate, and the clamping rod 163 slides below one end of the clamping block 161, and the clamping rod 163 compresses the round rod 166, and the round rod 166 compresses the second spring 165 until the clamping block 161 is just stuck in the clamping groove 164, wherein the limiting rod 6 moves along the limiting groove 61. The second plug 13 slides to the bottom along the second chamber 15, and the two baffles 11 are fully engaged to complete the splicing; when the baffle 11 is separated, the lower pressure rod 5 is pressed downward, and the lower pressure rod 5 squeezes one end of the block 161, so that the block 161 rotates. When the other end of the block 161 is completely out of the slot 164, the second spring 165 pushes the rod 163 upward through the round rod 166, and then pulls up a baffle 11, so that the first plug 12 and the second plug 13 are out of the first chamber 14 and the second chamber 15;

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A foundation pit support and protection structure, comprising two bases (1), characterized in that: A baffle (11) is rotatably provided on the base (1), a first plug block (12) is fixedly provided on one side of the baffle (11), a second plug block (13) is fixedly provided on one side of the baffle (11), a first chamber (14) is opened on one side of the baffle (11), a second chamber (15) is opened on one side of the baffle (11), and a locking mechanism (16) is provided in the first chamber (14); The locking mechanism (16) comprises a locking block (161), a first spring (162), a locking rod (163), a locking groove (164), a second spring (165) and a round rod (166); the locking block (161) is rotatably connected in the first chamber (14); the first spring (162) is fixedly connected in the first chamber (14); the upper end of the first spring (162) is fixedly connected to the locking block (161); the locking rod (163) is fixedly connected to the first plug block (12); a locking groove (164) is provided on the locking rod (163); the second spring (165) is fixedly connected in the first chamber (14); and the lower end of the round rod (166) is fixedly connected to the upper end of the second spring (165).

2. A foundation pit support and protection structure according to claim 1, characterized in that: A plurality of pairs of adjustment blocks (2) are fixedly arranged on the base (1), two adjustment rods (21) are arranged above the base (1), the adjustment rods (21) are rotatably connected to the baffle (11), two bolts (22) are arranged above the base (1), nuts (23) are threadedly arranged on the bolts (22), and the bolts (22) and nuts (23) fix the adjustment blocks (2) and the adjustment rods (21) together.

3. A foundation pit support and protection structure according to claim 1, characterized in that: Four fixing pins (3) are inserted on the base (1), and the lower ends of the fixing pins (3) are in a pointed cone shape.

4. A foundation pit support and protection structure according to claim 3, characterized in that: The fixing pin (3) is internally threaded with a rotating rod (4), a pressing block (41) is fixedly provided at the lower end of the rotating rod (4), and two extending blocks (42) are slidably provided on the fixing pin (3).

5. The foundation pit support and protection structure according to claim 1 is characterized in that: A pressing rod (5) is slidably provided on the first insert block (12), a third spring (51) is fixedly provided on the first insert block (12), and the upper end of the third spring (51) is fixedly connected to the upper end of the pressing rod (5).

6. A foundation pit support and protection structure according to claim 1, characterized in that: Two limiting rods (6) are fixedly provided on the round rod (166), two limiting grooves (61) are provided in the first chamber (14), and the limiting rods (6) are slidably connected to the limiting grooves (61).

7. A foundation pit support and protection structure according to claim 4, characterized in that: The lower pressing block (41) is in a shape of being larger at the top and smaller at the bottom. The upper end of the rotating rod (4) is in a nut shape, and the lower end is provided with a thread.

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