Movable supporting structure for municipal pipeline foundation pit operation

Abstract

The invention discloses a movable supporting structure for municipal pipeline foundation pit operation, and particularly relates to the field of supporting structures, the movable supporting structure comprises protective frames arranged on the two sides of the inner wall of a foundation pit, a connecting shaft used for connection is arranged between the protective frames on the two sides, and connecting assemblies are arranged at the two ends of the connecting shaft; the two ends of the connecting shaft are connected with the inner walls of the protective frames on the two sides through connecting assemblies; and the bottom frame is arranged below the protection frame. The supporting structures are composed of the protection frames and the bottom frame, the supporting structures on the two sides are connected through the connecting shafts, sloping can be reduced, space is saved, the whole supporting structure can be moved and can be moved according to the construction position, the supporting structures do not need to be put into the whole length, cost is saved, a conical structure is inserted into the bottom end of the bottom frame, contact with the bottom of a foundation pit can be reduced, and construction efficiency is improved. And the length of the connecting shaft can be adjusted, and the distance between the supporting structures on the two sides can be adjusted according to the width of the foundation pit.

Description

Technical Field

[0001] The present invention relates to the field of support structures, and more specifically, to a movable support structure for municipal pipeline foundation pit operations. Background Art

[0002] A foundation pit is an earth pit excavated at the designed position of the foundation according to the base elevation and the foundation plan dimensions. In order to prevent the pit wall from collapsing during the excavation process, a support structure for supporting the peripheral wall is usually provided in the foundation pit.

[0003] Most of the existing support structures are installed on the inner wall of the foundation pit after the foundation pit is excavated. The support structure is fixed inside the foundation pit. After use, it takes manpower to disassemble, which is time-consuming and laborious. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a movable support structure for municipal pipeline foundation pit operations. The support structure is composed of a protective frame and a bottom frame. The support structures on both sides are connected by a connecting shaft, which can reduce the slope, save space, and the whole can be moved. It can be moved according to the construction position, without investing the support structure for the whole length, saving costs. Moreover, the bottom end of the bottom frame is inserted with a conical structure, which can reduce the contact with the bottom of the foundation pit, reduce the friction generated during movement, and facilitate movement. The connecting shaft can be adjusted in length to adjust the distance between the support structures on both sides according to the width of the foundation pit.

[0005] To achieve the above object, the present invention provides the following technical solution: A movable support structure for municipal pipeline foundation pit operations, comprising:

[0006] Protective frames arranged on both sides of the inner wall of the foundation pit, a connecting shaft for connection is arranged between the two protective frames, and connecting components are arranged at both ends of the connecting shaft. The two ends of the connecting shaft are connected to the inner walls of the two protective frames through the connecting components;

[0007] A bottom frame, the bottom frame is arranged below the protective frame, a positioning component is arranged between the bottom frame and the protective frame, and locking frame components are arranged on both sides of the protective frame and the bottom frame, and are locked and connected through the locking frame components.

[0008] Furthermore, a plurality of through grooves are opened on the outer surfaces of the protective frame and the bottom frame, and the bottom end of the bottom frame is a conical structure, which can reduce the contact with the bottom of the foundation pit, reduce the friction generated during movement, and facilitate movement.

[0009] Furthermore, the connecting component includes connecting blocks fixedly installed on the outer surfaces of the protective frame and the bottom frame. Outer shafts are sleeved at both ends of the connecting shaft, connecting grooves are opened at both ends of the outer shaft, and one end of the connecting block is matched with the connecting groove. When installing the support structure, the connecting blocks on the two support structures on both sides are inserted into the connecting grooves at both ends of the connecting shaft and inserted into the connecting grooves.

[0010] Further, clamping holes are formed on both sides of the inner wall of the connecting groove. Clamping posts are inserted into both sides of the inside of the connecting block, and one end of each clamping post is matched with the clamping hole. An integrally connected connecting plate is arranged on the outer surface of the other end of each clamping post. A collar is fixedly installed at one end of the connecting plate. By driving the clamping posts to move outwards through the connecting plate, the clamping posts are inserted into the clamping holes on the inner wall of the connecting groove, thereby completing the connection between the support structure and the connecting shaft, and thus completing the assembly of the support structure.

[0011] Further, a bidirectional screw is rotatably installed inside the connecting block, and the collar is sleeved on the outer surface of the bidirectional screw. The collar is in threaded connection with the bidirectional screw. One end of the bidirectional screw is fixedly connected with a turning knob, and the turning knob is rotatably connected with the connecting block. Use a tool to rotate the turning knob inside the connecting block. By driving the bidirectional screw at one end to rotate through the turning knob, and the collar is in threaded connection with the bidirectional screw, thereby driving the collar to move along the bidirectional screw.

[0012] Further, an inner shaft is fixedly installed inside the outer shaft. Adjusting screws are fixedly installed at both ends inside the connecting shaft, and the inner shaft is sleeved on the outer surface of the adjusting screws. The inner shaft is in threaded connection with the adjusting screws. The length of the connecting shaft can be adjusted, and the distance between the support structures on both sides can be adjusted according to the width of the foundation pit. When adjusting the length of the connecting shaft, rotate the outer shafts on the surfaces of both ends of the connecting shaft to drive the inner shaft to rotate along the adjusting screws inside, thereby driving the outer shaft to move along the connecting shaft to adjust the length of the connecting shaft. After the adjustment is completed, install the connecting shaft and assemble and place the support structure.

[0013] Further, the positioning assembly includes positioning blocks fixedly installed at the tops of the protective frame and the bottom frame. A positioning groove matching the positioning block is formed at the bottom end of the bottom frame, and the positioning block is inserted into the inside of the positioning groove. When the depth of the foundation pit increases and the height of the support structure needs to be increased, the number of protective frames can be increased upwards. When installing the protective frame, the positioning groove at the bottom end of the protective frame can be corresponded to the positioning block at the top of the lower protective frame, and the positioning block is inserted into the positioning groove to complete the installation and positioning of the protective frame.

[0014] Further, the locking frame assembly includes locking frames fixedly installed at both ends of the protective frame and the bottom frame. A locking groove is formed inside the locking frame. A locking pin is inserted into the locking frames located below the protective frame and above the bottom frame, and one end of the locking pin is matched with the locking groove. The locking frame below the protective frame corresponds to the locking frame above the lower protective frame, and finally the locking pin is inserted into the locking frame to complete the locking of the upper and lower protective frames.

[0015] The technical effects and advantages of the present invention:

[0016] 1. The present invention is composed of a protective frame and a bottom frame for the support structure. The support structures on both sides are connected by a connecting shaft, which can reduce the slope, save space, and can be moved as a whole. It can be moved according to the construction location, without the need to invest in the support structure for the entire length, thus saving costs. Moreover, a conical structure is inserted at the bottom end of the bottom frame, which can reduce the contact with the bottom of the foundation pit and reduce the friction generated during movement, facilitating movement. The length of the connecting shaft can be adjusted to adjust the distance between the support structures on both sides according to the width of the foundation pit.

[0017] 2. The present invention is limitedly connected by a locking frame and a locking pin between the bottom frame and the protective frame. The number of protective frames can be increased upward according to the depth of the foundation pit, thereby increasing the height of the support structure. During installation, the positioning groove at the bottom end of the protective frame can be aligned with the lower positioning block, facilitating the stability of the installation of the protective frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is an exploded view of the connection state of the connecting shaft of the present invention.

[0020] Figure 3 It is a cross-sectional view of the connecting block of the present invention.

[0021] Figure 4 It is an exploded view of the connecting shaft of the present invention.

[0022] Figure 5 It is a schematic diagram of the structure of the protective frame and the bottom frame of the present invention.

[0023] Figure 6 It is an exploded view of the installation structure of the protective frame and the bottom frame of the present invention.

[0024] Reference numerals are: 1. Protective frame; 11. Positioning block; 12. Positioning groove; 13. Locking frame; 14. Locking pin; 2. Bottom frame; 3. Connecting shaft; 31. Outer shaft; 32. Connecting groove; 33. Card hole; 34. Connecting block; 35. Bidirectional screw; 351. Rotary knob; 352. Sleeve ring; 353. Connecting plate; 354. Card column; 36. Inner shaft; 37. Adjusting screw. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] According to Figures 1-4The shown movable support structure for municipal pipeline foundation pit operation includes protective frames 1 arranged on both sides of the inner wall of the foundation pit. A connecting shaft 3 for connection is arranged between the two protective frames 1. Connecting components are arranged at both ends of the connecting shaft 3, and both ends of the connecting shaft 3 are connected to the inner walls of the two protective frames 1 through the connecting components;

[0027] Furthermore, a number of through slots are provided on the outer surfaces of the protective frame 1 and the chassis 2. The bottom end of the chassis 2 is of a conical structure, which can reduce contact with the bottom of the foundation pit, reduce the friction generated during movement, and facilitate movement.

[0028] Furthermore, the connecting component includes connecting blocks 34 fixedly installed on the outer surfaces of the protective frame 1 and the chassis 2. Outer shafts 31 are sleeved at both ends of the connecting shaft 3. Connecting slots 32 are provided at both ends of the outer shafts 31, and one end of the connecting block 34 matches the connecting slot 32. When installing the support structure, the connecting blocks 34 on the two support structures are inserted into the connecting slots 32 at both ends of the connecting shaft 3 and inserted into the connecting slots 32.

[0029] Furthermore, clamping holes 33 are provided on both sides of the inner wall of the connecting slot 32. Clamping posts 354 are inserted into both sides of the inside of the connecting block 34, and one end of the clamping post 354 matches the clamping hole 33. A connecting plate 353 is integrally connected to the outer surface of the other end of the clamping post 354. A collar 352 is fixedly installed at one end of the connecting plate 353. By driving the clamping post 354 to move outwards through the connecting plate 353, the clamping post 354 is inserted into the clamping hole 33 on the inner wall of the connecting slot 32, completing the connection between the support structure and the connecting shaft 3, and thus completing the assembly of the support structure.

[0030] Furthermore, a bidirectional screw 35 is rotatably installed inside the connecting block 34, and the collar 352 is sleeved on the outer surface of the bidirectional screw 35. The collar 352 is threadedly connected to the bidirectional screw 35. One end of the bidirectional screw 35 is fixedly connected to a turning knob 351, and the turning knob 351 is rotatably connected to the connecting block 34. Use a tool to rotate the turning knob 351 inside the connecting block 34. By driving the bidirectional screw 35 at one end to rotate through the turning knob 351, the collar 352 is threadedly connected to the bidirectional screw 35, thereby driving the collar 352 to move along the bidirectional screw 35.

[0031] Further, an inner shaft 36 is fixedly installed inside the outer shaft 31. Adjusting screws 37 are fixedly installed inside both ends of the connecting shaft 3, and the inner shaft 36 is sleeved on the outer surface of the adjusting screws 37. The inner shaft 36 is threadedly connected to the adjusting screws 37. The connecting shaft 3 can be adjusted in length. According to the width of the foundation pit, the distance between the two side support structures is adjusted. When adjusting the length of the connecting shaft 3, rotate the outer shafts 31 on the surfaces of both ends of the connecting shaft 3 to drive the inner shaft 36 to rotate along the internal adjusting screws 37, thereby driving the outer shafts 31 to move along the connecting shaft 3 to adjust the length of the connecting shaft 3. After the adjustment is completed, install the connecting shaft 3 and assemble and place the support structure.

[0032] The implementation method is specifically as follows: When installing the support structure, insert the connecting blocks 34 on the two side support structures into the connecting grooves 32 at both ends of the connecting shaft 3. After inserting into the connecting grooves 32, use a tool to rotate the knob 351 inside the connecting block 34. Drive the bidirectional screw 35 at one end through the knob 351. The collar 352 is threadedly connected to the bidirectional screw 35, thereby driving the collar 352 to move along the bidirectional screw 35. Drive the clamping column 354 to move outwards through the connecting plate 353, so that the clamping column 354 is inserted into the clamping hole 33 on the inner wall of the connecting groove 32 to complete the connection between the support structure and the connecting shaft 3, thereby completing the assembly of the support structure. Then place the support structure into the foundation pit to support the inner wall of the foundation pit, which is convenient for workers to construct in the foundation pit. It can be moved according to the construction position, without investing the support structure for the whole length, saving costs. Moreover, the bottom end of the chassis 2 is inserted with a conical structure, which can reduce the contact with the bottom of the foundation pit and reduce the friction generated during movement, facilitating movement. The connecting shaft 3 can be adjusted in length. According to the width of the foundation pit, the distance between the two side support structures is adjusted. When adjusting the length of the connecting shaft 3, rotate the outer shafts 31 on the surfaces of both ends of the connecting shaft 3 to drive the inner shaft 36 to rotate along the internal adjusting screws 37, thereby driving the outer shafts 31 to move along the connecting shaft 3 to adjust the length of the connecting shaft 3. After the adjustment is completed, install the connecting shaft 3 and assemble and place the support structure.

[0033] According to Figures 5-6 The movable support structure for municipal pipeline foundation pit operation shown, the chassis 2, the chassis 2 is arranged below the protective frame 1, a positioning component is arranged between the chassis 2 and the protective frame 1, and locking frame components are arranged on both sides of the protective frame 1 and the chassis 2, and are locked and connected through the locking frame components;

[0034] Further, the positioning component includes positioning blocks 11 fixedly installed at the top ends of the protective frame 1 and the bottom frame 2. A positioning groove 12 matching the positioning blocks 11 is formed at the bottom end of the bottom frame 2, and the positioning blocks 11 are inserted into the interior of the positioning groove 12. When the depth of the foundation pit increases and the height of the support structure needs to be increased, the number of protective frames 1 can be increased upward. When installing the protective frame 1, the positioning groove 12 at the bottom end of the protective frame 1 can be aligned with the positioning blocks 11 at the top end of the lower protective frame 1, and the positioning blocks 11 are inserted into the positioning groove 12 to complete the installation and positioning of the protective frame 1.

[0035] Further, the locking frame component includes locking frames 13 fixedly installed at both ends of the protective frame 1 and the bottom frame 2. A locking groove is formed inside the locking frame 13. A locking pin 14 is inserted into the locking frames 13 located below the protective frame 1 and above the bottom frame 2, and one end of the locking pin 14 matches the locking groove. The locking frame 13 below the protective frame 1 corresponds to the locking frame 13 above the lower protective frame 1. Finally, the locking pin 14 is inserted into the locking frame 13 to complete the locking of the upper and lower protective frames 1.

[0036] The specific implementation method is as follows: When the depth of the foundation pit increases and the height of the support structure needs to be increased, the number of protective frames 1 can be increased upward. When installing the protective frame 1, the positioning groove 12 at the bottom end of the protective frame 1 can be aligned with the positioning blocks 11 at the top end of the lower protective frame 1, and the positioning blocks 11 are inserted into the positioning groove 12 to complete the installation and positioning of the protective frame 1. At the same time, the locking frame 13 below the protective frame 1 corresponds to the locking frame 13 above the lower protective frame 1. Finally, the locking pin 14 is inserted into the locking frame 13 to complete the locking of the upper and lower protective frames 1, greatly increasing the practicability of the support structure.

[0037] The working principle of the present invention:

[0038] Refer to the attached Figures 1-4 When installing the support structure, insert the connecting blocks 34 on both sides of the support structure into the connecting grooves 32 at both ends of the connecting shaft 3. After inserting into the connecting groove 32, use a tool to rotate the turning knob 351 in the connecting block 34. The turning knob 351 drives the bidirectional screw 35 at one end to rotate. The collar 352 is threadedly connected to the bidirectional screw 35, thereby driving the collar 352 to move along the bidirectional screw 35. The connecting plate 353 drives the clamping column 354 to move outward, so that the clamping column 354 is inserted into the clamping holes 33 on the inner wall of the connecting groove 32 to complete the connection between the support structure and the connecting shaft 3, thus completing the assembly of the support structure. Then, place the support structure into the foundation pit to support the inner wall of the foundation pit, which is convenient for workers to construct in the foundation pit. It can be moved according to the construction position, without investing the entire length of the support structure, saving costs. Moreover, the bottom end of the bottom frame 2 is inserted with a conical structure, which can reduce the contact with the bottom of the foundation pit and reduce the friction generated during movement, facilitating movement.

[0039] Refer to the attached instructions Figures 5-6 When the depth of the foundation pit increases and the height of the support structure needs to be increased, the number of protective frames 1 can be increased upward. When installing the protective frame 1, the positioning groove 12 at the bottom end of the protective frame 1 can be aligned with the positioning block 11 at the top end of the lower protective frame 1, and the positioning block 11 can be inserted into the positioning groove 12 to complete the installation and positioning of the protective frame 1. At the same time, the locking frame 13 below the protective frame 1 is aligned with the locking frame 13 above the lower protective frame 1, and finally the locking pin 14 is inserted into the locking frame 13 to complete the locking of the upper and lower protective frames 1, greatly increasing the practicality of the support structure.

Claims

1. A movable support structure for municipal pipeline foundation pit operation, characterized in that, Including: Guardrails (1) arranged on both sides of the inner wall of the foundation pit. A connecting shaft (3) for connection is arranged between the guardrails (1) on both sides. Connecting components are arranged at both ends of the connecting shaft (3), and both ends of the connecting shaft (3) are connected to the inner walls of the guardrails (1) on both sides through the connecting components; A bottom frame (2) is arranged below the guardrail (1). A positioning component is arranged between the bottom frame (2) and the guardrail (1). Locking frame components are arranged on both sides of the guardrail (1) and the bottom frame (2), and locking connection is carried out through the locking frame components.

2. The movable support structure for municipal pipeline foundation pit operation according to claim 1, characterized in that: A plurality of through grooves are formed on the outer surfaces of the guardrail (1) and the bottom frame (2), and the bottom end of the bottom frame (2) is of a conical structure.

3. The movable support structure for municipal pipeline foundation pit operation according to claim 1, characterized in that: The connecting component includes connecting blocks (34) fixedly installed on the outer surfaces of the guardrail (1) and the bottom frame (2). Outer shafts (31) are sleeved at both ends of the connecting shaft (3). Connecting grooves (32) are formed at both ends of the outer shaft (31), and one end of the connecting block (34) is matched with the connecting groove (32).

4. The movable support structure for municipal pipeline foundation pit operation according to claim 3, characterized in that: Card holes (33) are formed on both sides of the inner wall of the connecting groove (32). Card columns (354) are inserted into both sides of the inside of the connecting block (34), and one end of the card column (354) is matched with the card hole (33).

5. The movable support structure for municipal pipeline foundation pit operation according to claim 4, characterized in that: The other end outer surface of the card column (354) is integrally connected with a connecting plate (353), and a collar (352) is fixedly installed at one end of the connecting plate (353).

6. The movable support structure for municipal pipeline foundation pit operation according to claim 5, characterized in that: A bidirectional screw (35) is rotatably installed inside the connecting block (34), and the collar (352) is sleeved on the outer surface of the bidirectional screw (35). The collar (352) is threadedly connected with the bidirectional screw (35). One end of the bidirectional screw (35) is fixedly connected with a turning knob (351), and the turning knob (351) is rotatably connected with the connecting block (34).

7. The movable support structure for municipal pipeline foundation pit operation according to claim 3, characterized in that: An inner shaft (36) is fixedly installed inside the outer shaft (31). Adjusting screws (37) are fixedly installed inside both ends of the connecting shaft (3), and the inner shaft (36) is sleeved on the outer surface of the adjusting screw (37). The inner shaft (36) is threadedly connected with the adjusting screw (37).

8. The movable support structure for municipal pipeline foundation pit operation according to claim 1, characterized in that: The positioning component includes positioning blocks (11) fixedly installed at the tops of the guardrail (1) and the bottom frame (2). A positioning groove (12) matching the positioning block (11) is formed at the bottom end of the bottom frame (2), and the positioning block (11) is inserted into the inside of the positioning groove (12).

9. The movable support structure for municipal pipeline foundation pit operation according to claim 1, characterized in that: The locking frame component includes locking frames (13) fixedly installed at both ends of the guardrail (1) and the bottom frame (2). A locking groove is formed inside the locking frame (13). A locking pin (14) is inserted into the locking frames (13) below the guardrail (1) and above the bottom frame (2), and one end of the locking pin (14) is matched with the locking groove.

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