A foundation pit combined support structure

Abstract

The application is suitable for the field of foundation pit supporting structure, and provides a foundation pit combined supporting structure, which comprises a base and further comprises: a lifting seat, a lifting mechanism is arranged between the lifting seat and the base, and the lifting mechanism can drive the lifting seat to vertically lift; the lifting seat is fixedly connected with a supporting rod, the supporting rod is rotationally connected with a connecting plate, an adjusting mechanism is arranged between the connecting plate and the lifting seat, and the adjusting mechanism can drive the connecting plate to overturn; a supporting plate is arranged on one side of the connecting plate, the supporting plate is fixedly connected with a fixing rod, the fixing rod is slidingly connected with the connecting plate, the connecting plate is rotationally connected with an arc-shaped rod, one end of the arc-shaped rod is rotationally connected with a sliding seat, the sliding seat is slidingly connected with the supporting plate, and an auxiliary supporting mechanism is arranged between the arc-shaped rod and the connecting plate; an elastic mechanism is arranged between the sliding seat and the supporting plate, and the elastic mechanism is used for elastically limiting the sliding seat.

Description

Technical Field

[0001] The present invention belongs to the field of foundation pit supporting structures, and in particular relates to a foundation pit combined supporting structure. Background Art

[0002] During building construction, excavation of a foundation pit is often necessary. This pit is a pit dug at the foundation's designed location, based on the base elevation and dimensions. It's primarily used for the construction of abutments, bridge abutments, and expanded foundations. Foundation pit support refers to temporary support, reinforcement, protection, and groundwater control measures implemented to protect the safety of the underlying structure and the surrounding environment.

[0003] When in use, the existing foundation pit support structure usually supports the side walls of the foundation pit through rods. The rods are usually directly inserted into the ground or fixed to the ground through fixed plates. However, the supporting stability of the rods is poor, and when local collapse of the foundation pit occurs, the rods are prone to rigid fracture.

[0004] In order to avoid the above technical problems, it is necessary to provide a foundation pit combined support structure to overcome the above defects in the prior art. Summary of the Invention

[0005] The purpose of the present invention is to provide a foundation pit combined support structure, aiming to solve the problem that the existing foundation pit combined support structure has poor support stability and the rod body is prone to rigid fracture when local collapse of the foundation pit occurs.

[0006] The present invention is achieved by providing a foundation pit combined support structure, comprising a base, the base being provided with bolt holes, and further comprising:

[0007] A lifting seat is provided on one side of the base, and a lifting mechanism is provided between the lifting seat and the base, and the lifting mechanism can drive the lifting seat to move vertically;

[0008] The lifting seat is fixedly connected to a support rod, the support rod is rotatably connected to a connecting plate, and an adjustment mechanism is provided between the connecting plate and the lifting seat, and the adjustment mechanism can drive the connecting plate to flip;

[0009] A support plate is provided on one side of the connecting plate, the support plate is fixedly connected to a fixing rod, the fixing rod is slidably connected to the connecting plate, the connecting plate is rotatably connected to an arc rod, one end of the arc rod is rotatably connected to a sliding seat, the sliding seat is slidably connected to the support plate, an auxiliary support mechanism is provided between the arc rod and the connecting plate, the auxiliary support mechanism is used to elastically support the arc rod;

[0010] An elastic mechanism is provided between the sliding seat and the supporting plate, and the elastic mechanism is used to elastically limit the sliding seat.

[0011] According to a further technical solution, there are two arc-shaped rods, and the two arc-shaped rods are arranged opposite to each other.

[0012] According to a further technical solution, the elastic mechanism includes a driving rod, a spring No. 1 and a spring baffle;

[0013] The driving rod is rotatably connected to the supporting plate. The driving rod is provided with threads in opposite directions. Each thread is connected to a spring baffle. A No. 1 spring is provided between the two spring baffles, and the No. 1 spring is sleeved on the outside of the driving rod.

[0014] According to a further technical solution, the auxiliary support mechanism includes a sliding sleeve, a connecting rod, a second spring and a sleeve;

[0015] The sliding sleeve is slidably connected to the arc rod, the connecting rod is rotatably connected to the sliding sleeve, the sleeve is rotatably connected to the connecting plate, the connecting rod is slidably connected to the sleeve, and the No. 2 spring is sleeved outside the connecting rod.

[0016] According to a further technical solution, the adjustment mechanism includes a threaded rod, a movable seat, a limit rod and a connecting assembly;

[0017] The movable seat is slidably connected to the lifting seat, the threaded rod is rotatably connected to the lifting seat, and the threaded rod is threadedly connected to the movable seat, one end of the limiting rod rotates with the movable seat, and the other end of the limiting rod is slidably connected to the connecting plate, and the connecting assembly can fixedly connect the support rod and the limiting rod.

[0018] According to a further technical solution, the connecting assembly includes a rod body and a bolt, the rod body is rotatably connected to the support rod, and the rod body and the limiting rod are both provided with a plurality of threaded holes, and the bolt can be threadedly connected to the threaded holes on the rod body and the limiting rod.

[0019] According to a further technical solution, the lifting mechanism includes a threaded shaft, a sleeve, a driven wheel, a driving wheel, a power rod and a guide assembly;

[0020] The threaded shaft is fixedly connected to the lifting seat, the outer sleeve is rotatably connected to the base, and the threaded shaft is threadedly connected to the outer sleeve, the driven wheel is fixedly connected to the outer sleeve, the power rod is rotatably connected to the base, the driving wheel is fixedly connected to the power rod, the driving wheel is meshed with the driven wheel, and the guide assembly is connected between the base and the lifting seat, and the guide assembly is used to guide the lifting seat.

[0021] According to a further technical solution, the guide assembly includes a guide rod and a guide sleeve, wherein the guide rod is fixedly connected to the lifting seat, the guide sleeve is fixedly connected to the base, and the guide rod is slidably connected to the guide sleeve.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The present invention provides a combined foundation pit support structure. The device is moved to one side of the foundation pit side wall, and the power rod is rotated. The power rod drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate, and the driven wheel drives the outer sleeve to rotate. The outer sleeve and the threaded shaft are threadedly transmitted. Under the action of the guide assembly, the lifting seat is vertically raised and lowered, thereby adjusting the height of the support plate.

[0024] The present invention provides a combined foundation pit support structure. The driving rod is rotated to drive two spring baffles to move relative to or toward each other, thereby driving the elastic expansion and contraction of the No. 1 spring. The No. 1 spring pushes the arc rod to rotate, thereby changing the support position of the arc rod on the support plate.

[0025] The present invention provides a combined foundation pit support structure, wherein an adjustment mechanism is provided between the connecting plate and the lifting seat. The threaded rod is rotated, and the threaded rod drives the movable seat to slide along the lifting seat. The movable seat pulls the connecting plate to flip through the limiting rod, thereby adjusting the support angle of the supporting plate so that the supporting plate abuts against the side wall. When the angle adjustment of the supporting plate is completed, the rod body is rotated so that the threaded hole on the rod body coincides with the threaded hole on the limiting rod, thereby increasing the structural stability of the device.

[0026] The present invention provides a combined foundation pit support structure, in which the No. 2 spring elastically supports the sliding sleeve, and at the same time the connecting rod and the sleeve slide in cooperation to play a guiding and limiting role. The sliding sleeve elastically supports the arc rod, which can prevent the instantaneous impact force caused by local collapse of the foundation pit from causing rigid fracture of the internal structure of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the present invention;

[0028] Figure 2 for Figure 1 A partial enlarged view of

[0029] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of area A in the middle;

[0030] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of the middle B area;

[0031] Figure 5 It is a connection diagram of the lifting mechanism and the lifting seat.

[0032] In the accompanying drawings: base 1, lifting seat 2, lifting mechanism 3, threaded shaft 31, outer sleeve 32, driven wheel 33, driving wheel 34, power rod 35, guide assembly 36, guide rod 361, guide sleeve 362, support rod 4, connecting plate 5, adjustment mechanism 6, threaded rod 61, movable seat 62, limit rod 63, connecting assembly 64, rod body 641, bolt 642, support plate 7, auxiliary support mechanism 8, sliding sleeve 81, connecting rod 82, No. 2 spring 83, sleeve 84, elastic mechanism 9, driving rod 91, No. 1 spring 92, spring baffle 93, fixed rod 10, arc rod 11, sliding seat 12. Implementation Method

[0033] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0034] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0035] like Figure 1-Figure 5 As shown, a foundation pit combined support structure provided by the present invention includes a base 1, wherein the base 1 is provided with bolt holes, and further includes:

[0036] A lifting seat 2 is provided on one side of the base 1. A lifting mechanism 3 is provided between the lifting seat 2 and the base 1. The lifting mechanism 3 can drive the lifting seat 2 to move vertically.

[0037] The lifting seat 2 is fixedly connected to a support rod 4, and the support rod 4 is rotatably connected to a connecting plate 5. An adjustment mechanism 6 is provided between the connecting plate 5 and the lifting seat 2, and the adjustment mechanism 6 can drive the connecting plate 5 to flip;

[0038] A support plate 7 is provided on one side of the connecting plate 5, and the support plate 7 is fixedly connected to a fixing rod 10, and the fixing rod 10 is slidably connected to the connecting plate 5. The connecting plate 5 is rotatably connected to an arcuate rod 11, and one end of the arcuate rod 11 is rotatably connected to a sliding seat 12, and the sliding seat 12 is slidably connected to the support plate 7. An auxiliary support mechanism 8 is provided between the arcuate rod 11 and the connecting plate 5, and the auxiliary support mechanism 8 is used to elastically support the arcuate rod 11;

[0039] An elastic mechanism 9 is provided between the sliding seat 12 and the supporting plate 7 , and the elastic mechanism 9 is used to elastically limit the sliding seat 12 .

[0040] When in use, the device is moved to the side of the foundation pit side wall, and the lifting base 2 is driven to move vertically by the lifting mechanism 3, thereby adjusting the height of the support plate 7;

[0041] An adjustment mechanism 6 is provided between the connecting plate 5 and the lifting seat 2. The adjustment mechanism 6 can drive the connecting plate 5 to flip, thereby adjusting the horizontal inclination angle of the connecting plate 5 according to the support position, adjusting the horizontal inclination angle of the supporting plate 7, and making the supporting plate 7 abut against the side wall; then the base 1 is connected and fixed to the ground by bolts.

[0042] The connecting plate 5 is rotatably connected to an arc-shaped rod 11, one end of which is rotatably connected to a sliding seat 12. The sliding seat 12 is slidably connected to the support plate 7. An auxiliary support mechanism 8 is provided between the arc-shaped rod 11 and the connecting plate 5. The connecting plate 5 elastically supports the support plate 7 through the auxiliary support mechanism 8 and the arc-shaped rod 11; at the same time, the elastic mechanism 9 is used to elastically limit the sliding seat 12.

[0043] The auxiliary support mechanism 8 can increase the stability of the support plate 7; at the same time, the elastic support of the auxiliary support mechanism 8 and the elastic mechanism 9 can avoid the instantaneous impact force of local collapse of the foundation pit from causing rigid fracture of the internal structure of the device.

[0044] In the embodiment of the present invention, as a preferred embodiment of the present invention, there are two arc-shaped rods 11, and the two arc-shaped rods 11 are arranged opposite to each other.

[0045] In the embodiment of the present invention, as a preferred embodiment of the present invention, the elastic mechanism 9 includes a driving rod 91, a No. 1 spring 92 and a spring baffle 93;

[0046] The driving rod 91 is rotatably connected to the supporting plate 7. The driving rod 91 is provided with threads in opposite directions. Each thread is connected to a spring baffle 93. A No. 1 spring 92 is provided between the two spring baffles 93, and the No. 1 spring 92 is sleeved on the outside of the driving rod 91.

[0047] Rotate the drive rod 91, and the drive rod 91 drives the two spring baffles 93 to move relative to or toward each other, thereby driving the No. 1 spring 92 to elastically expand and contract. The No. 1 spring 92 pushes the arc rod 11 to rotate, changing the support position of the arc rod 11 on the support plate 7.

[0048] In the embodiment of the present invention, as a preferred embodiment of the present invention, the auxiliary support mechanism 8 includes a sliding sleeve 81, a connecting rod 82, a second spring 83 and a sleeve 84;

[0049] The sliding sleeve 81 is slidably connected to the arc rod 11, the connecting rod 82 is rotatably connected to the sliding sleeve 81, the sleeve 84 is rotatably connected to the connecting plate 5, the connecting rod 82 is slidably connected to the sleeve 84, and the second spring 83 is sleeved on the outside of the connecting rod 82;

[0050] The No. 2 spring 83 elastically supports the sliding sleeve 81 , while the connecting rod 82 and the sleeve 84 slide together to play a guiding and limiting role. The sliding sleeve 81 elastically supports the arc rod 11 , thereby increasing the support stability of the support plate 7 .

[0051] In the embodiment of the present invention, as a preferred embodiment of the present invention, the adjustment mechanism 6 includes a threaded rod 61, a movable seat 62, a limiting rod 63 and a connecting assembly 64;

[0052] The movable seat 62 is slidably connected to the lifting seat 2, the threaded rod 61 is rotatably connected to the lifting seat 2, and the threaded rod 61 is threadedly connected to the movable seat 62, one end of the limiting rod 63 rotates with the movable seat 62, and the other end of the limiting rod 63 is slidably connected to the connecting plate 5, and the connecting assembly 64 can fixedly connect the support rod 4 and the limiting rod 63.

[0053] The threaded rod 61 is rotated, and the threaded rod 61 drives the movable seat 62 to slide along the lifting seat 2. The movable seat 62 pulls the connecting plate 5 to flip through the limiting rod 63, thereby adjusting the supporting angle of the supporting plate 7.

[0054] In the embodiment of the present invention, as a preferred embodiment of the present invention, the connecting assembly 64 includes a rod body 641 and a bolt 642. The rod body 641 is rotatably connected to the support rod 4, and the rod body 641 and the limiting rod 63 are both provided with a plurality of threaded holes. The bolt 642 can be threadedly connected to the threaded holes on the rod body 641 and the limiting rod 63.

[0055] When the angle adjustment of the supporting plate 7 is completed, the rod body 641 is rotated so that the threaded hole on the rod body 641 coincides with the threaded hole on the limiting rod 63, thereby increasing the structural stability of the device.

[0056] In the embodiment of the present invention, as a preferred embodiment of the present invention, the lifting mechanism 3 includes a threaded shaft 31, a sleeve 32, a driven wheel 33, a driving wheel 34, a power rod 35 and a guide assembly 36;

[0057] The threaded shaft 31 is fixedly connected to the lifting seat 2, the outer sleeve 32 is rotatably connected to the base 1, and the threaded shaft 31 and the outer sleeve 32 are threadedly connected. The driven wheel 33 is fixedly connected to the outer sleeve 32, the power rod 35 is rotatably connected to the base 1, the driving wheel 34 is fixedly connected to the power rod 35, and the driving wheel 34 is engaged with the driven wheel 33. The guide assembly 36 is connected between the base 1 and the lifting seat 2, and the guide assembly 36 is used to guide the lifting seat 2;

[0058] The power rod 35 is rotated, the power rod 35 drives the driving wheel 34 to rotate, the driving wheel 34 drives the driven wheel 33 to rotate, the driven wheel 33 drives the outer sleeve 32 to rotate, the outer sleeve 32 and the threaded shaft 31 are threadedly driven, so that under the action of the guide assembly 36, the lifting base 2 is vertically lifted and lowered.

[0059] In the embodiment of the present invention, as a preferred embodiment of the present invention, the guide assembly 36 includes a guide rod 361 and a guide sleeve 362, wherein the guide rod 361 is fixedly connected to the lifting seat 2, the guide sleeve 362 is fixedly connected to the base 1, and the guide rod 361 and the guide sleeve 362 are slidably connected;

[0060] The lifting seat 2 is guided by the sliding cooperation between the guide rod 361 and the guide sleeve 362 .

[0061] When in use, the device is moved to the side of the foundation pit side wall, and the power rod 35 is rotated. The power rod 35 drives the driving wheel 34 to rotate, the driving wheel 34 drives the driven wheel 33 to rotate, and the driven wheel 33 drives the outer sleeve 32 to rotate. The outer sleeve 32 and the threaded shaft 31 are threadedly driven, so that under the action of the guide assembly 36, the lifting seat 2 is vertically raised and lowered, thereby adjusting the height of the support plate 7;

[0062] The driving rod 91 is rotated, and the driving rod 91 drives the two spring baffles 93 to move relative to or toward each other, thereby driving the No. 1 spring 92 to elastically expand and contract. The No. 1 spring 92 pushes the arc rod 11 to rotate, changing the supporting position of the arc rod 11 on the supporting plate 7;

[0063] Then the base 1 is connected and fixed to the ground by bolts.

[0064] An adjustment mechanism 6 is provided between the connecting plate 5 and the lifting seat 2. The threaded rod 61 is rotated, and the threaded rod 61 drives the movable seat 62 to slide along the lifting seat 2. The movable seat 62 pulls the connecting plate 5 to flip through the limiting rod 63, thereby adjusting the support angle of the supporting plate 7 so that the supporting plate 7 abuts against the side wall. When the angle of the supporting plate 7 is adjusted, the rod body 641 is rotated so that the threaded hole on the rod body 641 coincides with the threaded hole on the limiting rod 63, thereby increasing the structural stability of the device.

[0065] The No. 2 spring 83 elastically supports the sliding sleeve 81, and at the same time the connecting rod 82 and the sleeve 84 slide together to play a guiding and limiting role. The sliding sleeve 81 elastically supports the arc rod 11, which can prevent the instantaneous impact force of local collapse of the foundation pit from causing rigid fracture of the internal structure of the device.

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0067] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A foundation pit combined support structure, comprising a base, characterized in that: Also includes: A lifting seat is provided on one side of the base, and a lifting mechanism is provided between the lifting seat and the base, and the lifting mechanism can drive the lifting seat to move vertically; The lifting seat is fixedly connected to a support rod, the support rod is rotatably connected to a connecting plate, and an adjustment mechanism is provided between the connecting plate and the lifting seat, and the adjustment mechanism can drive the connecting plate to flip; A support plate is provided on one side of the connecting plate, the support plate is fixedly connected to a fixing rod, the fixing rod is slidably connected to the connecting plate, the connecting plate is rotatably connected to an arc rod, one end of the arc rod is rotatably connected to a sliding seat, the sliding seat is slidably connected to the support plate, an auxiliary support mechanism is provided between the arc rod and the connecting plate, the auxiliary support mechanism is used to elastically support the arc rod; An elastic mechanism is provided between the sliding seat and the supporting plate, and the elastic mechanism is used to elastically limit the sliding seat.

2. The foundation pit combined support structure according to claim 1, characterized in that: There are two arc-shaped rods, and the two arc-shaped rods are arranged opposite to each other.

3. The foundation pit combined supporting structure according to claim 2, characterized in that: The elastic mechanism includes a driving rod, a No. 1 spring and a spring baffle; The driving rod is rotatably connected to the supporting plate. The driving rod is provided with threads in opposite directions. Each thread is connected to a spring baffle. A No. 1 spring is provided between the two spring baffles, and the No. 1 spring is sleeved on the outside of the driving rod.

4. The foundation pit combined supporting structure according to claim 1, characterized in that: The auxiliary support mechanism includes a sliding sleeve, a connecting rod, a No. 2 spring and a sleeve; The sliding sleeve is slidably connected to the arc rod, the connecting rod is rotatably connected to the sliding sleeve, the sleeve is rotatably connected to the connecting plate, the connecting rod is slidably connected to the sleeve, and the No. 2 spring is sleeved outside the connecting rod.

5. The foundation pit combined supporting structure according to claim 1, characterized in that: The adjustment mechanism includes a threaded rod, a movable seat, a limiting rod and a connecting assembly; The movable seat is slidably connected to the lifting seat, the threaded rod is rotatably connected to the lifting seat, and the threaded rod is threadedly connected to the movable seat, one end of the limiting rod rotates with the movable seat, and the other end of the limiting rod is slidably connected to the connecting plate, and the connecting assembly can fixedly connect the support rod and the limiting rod.

6. The foundation pit combined supporting structure according to claim 5, characterized in that: The connecting assembly includes a rod body and a bolt. The rod body is rotatably connected to the support rod, and the rod body and the limiting rod are both provided with a plurality of threaded holes. The bolt can be threadedly connected to the threaded holes on the rod body and the limiting rod.

7. The foundation pit combined supporting structure according to claim 1, characterized in that: The lifting mechanism includes a threaded shaft, a sleeve, a driven wheel, a driving wheel, a power rod and a guide assembly; The threaded shaft is fixedly connected to the lifting seat, the outer sleeve is rotatably connected to the base, and the threaded shaft is threadedly connected to the outer sleeve, the driven wheel is fixedly connected to the outer sleeve, the power rod is rotatably connected to the base, the driving wheel is fixedly connected to the power rod, the driving wheel is meshed with the driven wheel, and the guide assembly is connected between the base and the lifting seat, and the guide assembly is used to guide the lifting seat.

8. The foundation pit combined supporting structure according to claim 7, characterized in that: The guide assembly includes a guide rod and a guide sleeve, wherein the guide rod is fixedly connected to the lifting seat, the guide sleeve is fixedly connected to the base, and the guide rod and the guide sleeve are slidably connected.

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