A foundation pit supporting and bracing device and a supporting structure for pipe gallery construction

Abstract

The application discloses a foundation pit supporting and bracing device and a supporting structure for pipe gallery construction, which comprises two supporting plates, characterized in that the outer walls of the two supporting plates are fixedly connected with water-stopping curtains, the sliding blocks are fixedly connected with the first sleeves and the second sleeves respectively, the upper ends of the first sleeves and the second sleeves are fixedly connected with the top plate, the base is provided with a device groove, and the device groove is provided with a rotating mechanism for rotating the plurality of threaded rods. The threaded rods, the sliding blocks, the first gears and other components are arranged, the second gear is driven to rotate by the servo motor, the plurality of first gears are driven to rotate by the second gear through the chain, the first sleeve and the second sleeve can slide, the top plate is driven to slide, the distance between the two supporting plates can be adjusted, the adaptability is high, and the size distance of the steel frame is not insufficient during construction, and the construction progress is not affected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe gallery construction, and particularly relates to a foundation pit support jacking device and support structure for pipe gallery construction. BACKGROUND

[0002] The foundation pit support jacking device is a structure for supporting the ground and surrounding buildings during foundation pit construction. It is usually composed of support columns, cross beams, upright rods and other components, and is fixed to the ground by means of bolts or welding.

[0003] During comprehensive pipe gallery construction, foundation pit support measures are very important. The foundation pit support not only bears the earth pressure, but also bears the temporary earth load during earth excavation, the static load and dynamic load of construction machinery, etc. At present, the support plates are mostly jacked by means of welding steel frames. The size of the steel frames is mostly fixed. When the width of the foundation pit needs to be adjusted according to the construction arrangement, the distance between the two support plates also needs to be adjusted. The original steel frames cannot be matched with the adjusted distance, so new steel frames need to be added and welded with the original steel frames. This not only increases the construction period, but also increases the construction cost. SUMMARY

[0004] The present application aims to solve the problems in the prior art and provides a foundation pit support jacking device and support structure for pipe gallery construction.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0006] A foundation pit support jacking device and support structure for pipe gallery construction, comprising two support plates, the outer walls of the two support plates are fixedly connected with water stop curtains, a comprehensive pipe gallery is installed between the two support plates, one of the outer walls of the support plates is fixedly connected with a base, the outer wall of the base is rotatably connected with a plurality of threaded rods, the threaded rods are slidably connected with a plurality of first sleeves and a plurality of second sleeves, the threaded rods are threadedly connected with sliding blocks on the threaded sections, the sliding blocks are fixedly connected with the first sleeves and the second sleeves, respectively, a plurality of top plates are fixedly connected with the first sleeves and the second sleeves at the upper ends, a device groove is formed in the base, and a rotating mechanism for rotating the threaded rods is installed in the device groove.

[0007] Preferably, the rotating mechanism comprises a plurality of first gears rotatably connected in the device groove, and the first gears are fixedly connected with the threaded rods, respectively.

[0008] Preferably, a second gear is rotatably connected in the device groove, and the second gear is connected with the first gears through a chain.

[0009] Preferably, the upper end of the base is fixedly connected with a servo motor, and the output shaft of the servo motor extends into the device groove and is fixedly connected with the second gear.

[0010] Preferably, the outer wall of the first sleeve is rotatably connected with two first connecting rods, and the outer wall of the second sleeve is rotatably connected with two second connecting rods.

[0011] Preferably, a sliding groove is formed in each of the first connecting rod and the second connecting rod, and a connecting block is slidably connected in the sliding groove.

[0012] Preferably, a sliding groove is formed in the connecting block, and a third connecting rod and a fourth connecting rod are slidably connected in the sliding groove, respectively.

[0013] Preferably, a spring is installed in the sliding groove, one end of the spring is fixedly connected with the connecting block, and the other end of the spring away from the connecting block is fixedly connected with the inner wall of the sliding groove.

[0014] Preferably, a limiting groove is formed in the outer wall of the sliding block, a limiting rod is slidably connected in the limiting groove, the limiting rod is fixedly connected with the base, the height of the limiting rod is consistent with the height of the threaded rod, and a plurality of limiting blocks are fixedly connected with the upper ends of the threaded rods.

[0015] Preferably, a threaded hole is formed in the upper end of the top plate, a screw is threadedly connected in the threaded hole, and another supporting plate is provided with a threaded hole.

[0016] The present application has the following advantages:

[0017] 1. By setting the threaded rod, the sliding block, the first gear and other components, the servo motor drives the second gear to rotate, the second gear drives a plurality of first gears to rotate through the chain, and then the sliding of the first sleeve and the second sleeve drives the top plate to slide, so that the distance between the two supporting plates can be adjusted, and the adaptability is high, and the size distance of the steel frame is not enough during construction, which affects the construction progress.

[0018] 2. By setting the first connecting rod, the second connecting rod and the spring, when the device is affected by external force, the third connecting rod and the fourth connecting rod are constantly stretched inward by the spring, so that the stability of the device as a whole can be improved when affected by external force. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The present application provides a structure diagram of a foundation pit supporting and bracing device and a supporting structure for pipe gallery construction;

[0020] Figure 2 For Figure 1 Structure schematic view at the base.

[0021] Figure 3 For Figure 2 Sectional view at the base.

[0022] Figure 4 For Figure 2 Enlarged schematic view of structure at A.

[0023] Figure 5 For Figure 2 Sectional view at the second connecting rod.

[0024] In the figure: 1 support plate, 2 water stop curtain, 3 base, 4 threaded rod, 5 comprehensive pipe gallery, 6 spring, 7 first gear, 8 fourth connecting rod, 9 second gear, 10 servo motor, 11 sliding block, 12 first sleeve, 13 top plate, 14 device groove, 15 second sleeve, 16 limiting groove, 17 limiting rod, 18 first connecting rod, 19 second connecting rod, 20 sliding groove, 21 screw, 22 threaded hole, 23 chain, 24 connecting block, 25 third connecting rod, 26 limiting block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0026] Referring to Figures 1-5 A foundation pit support and bracing device for pipe gallery construction and a support structure, comprising two support plates 1, the outer walls of the two support plates 1 are fixedly connected with water stop curtains 2, a comprehensive pipe gallery 5 is installed between the two support plates 1, the outer wall of one of the support plates 1 is fixedly connected with a base 3, the outer wall of the base 3 is rotatably connected with a plurality of threaded rods 4, the plurality of threaded rods 4 are slidably connected with a plurality of first sleeves 12 and a plurality of second sleeves 15, the threaded rods 4 are threadedly connected with sliding blocks 11 on the threaded sections, the sliding blocks 11 are fixedly connected with the first sleeves 12 and the second sleeves 15, respectively, a top plate 13 is fixedly connected to the upper ends of the plurality of first sleeves 12 and the plurality of second sleeves 15, a device groove 14 is formed in the base 3, and a rotating mechanism for rotating the plurality of threaded rods 4 is installed in the device groove 14. It should be noted that the comprehensive pipe gallery 5 is not related to the design purpose of the present scheme, and therefore will not be described in detail.

[0027] The rotating mechanism comprises a plurality of first gears 7 rotatably connected in the device groove 14, the plurality of first gears 7 are fixedly connected with the plurality of threaded rods 4 respectively, the first gears 7 are arranged to have the following advantages: when the plurality of threaded rods 4 need to be rotated, a servo motor 10 is used to drive the second gear 9 to rotate, the second gear 9 drives the plurality of first gears 7 to rotate through the chain 23, and the plurality of threaded rods 4 are driven to rotate, the second gear 9 is rotatably connected in the device groove 14, the second gear 9 is connected with the plurality of first gears 7 through the chain 23, the servo motor 10 is fixedly connected at the upper end of the base 3, the output shaft of the servo motor 10 extends into the device groove 14 and is fixedly connected with the second gear 9, two first connecting rods 18 are rotatably connected on the outer wall of the first sleeve 12, two second connecting rods 19 are rotatably connected on the outer wall of the second sleeve 15, the two first connecting rods 18 and the two second connecting rods 19 are respectively on a same horizontal line, a sliding groove 20 is arranged in each of the first connecting rod 18 and the second connecting rod 19, a connecting block 24 is slidably connected in the sliding groove 20, a sliding groove 20 is arranged in the connecting block 24, a third connecting rod 25 and a fourth connecting rod 8 are slidably connected in the sliding groove 20 respectively, the third connecting rod 25 and the fourth connecting rod 8 are rotatably connected, a spring 6 is arranged in the sliding groove 20, one end of the spring 6 is fixedly connected with the connecting block 24, the other end of the spring 6 away from the connecting block 24 is fixedly connected with the inner wall of the sliding groove 20, the third connecting rod 25 and the fourth connecting rod 8 are fixedly connected with the connecting block 24 respectively, a limiting groove 16 is arranged on the outer wall of the sliding block 11, a limiting rod 17 is slidably connected in the limiting groove 16, the limiting rod 17 is fixedly connected with the base 3, the height of the limiting rod 17 is consistent with the height of the threaded rod 4, a limiting block 26 is fixedly connected at the upper end of the plurality of threaded rods 4, a threaded hole 22 is arranged at the upper end of the top plate 13, a screw 21 is threadedly connected in the threaded hole 22, and the other supporting plate 1 is provided with a threaded hole.

[0028] In the application, when the device is used, the servo motor 10 is started, the output shaft of the servo motor 10 drives the second gear 9 to rotate, the second gear 9 drives the remaining first gears 7 to rotate through the chain 23, the rotation of the first gears 7 drives the threaded rod 4 on the outer wall to rotate, the threaded rod 4 functions as follows: the threaded rod 4 drives the sliding block 11 on the threaded section to slide up and down through the rotation of the threaded rod 4, the purpose achieved is that the first sleeve 12 and the second sleeve 15 outside the threaded rod 4 can be driven to slide up and down through the up-and-down sliding of the sliding block 11, and in turn the top plate 13 is driven to slide up and down, at the same time, when the width of the adjusted foundation pit is narrowed, the output shaft of the servo motor 10 is reversed, and in turn the threaded rod 4 is driven to reverse through the plurality of first gears 7, the threaded rod 4 can drive the first sleeve 12 and the second sleeve 15 to slide through the sliding block 11, and in turn the top plate 13 is driven to slide down, by adjusting the height positions of the first sleeve 12 and the second sleeve 15, different spacing support plates 1 can be jacked according to specific construction arrangements, and at the same time, through the limiting rod 17 arranged, the sliding block 11 can always slide up and down along the threaded direction of the threaded rod 4, when the heights of the first sleeve 12 and the second sleeve 15 are adjusted, the screw 21 on the top plate 13 is screwed into the reserved threaded hole, so that the two support plates 1 can be fixed without welding, when the device as a whole needs to be disassembled, the disassembly efficiency can be improved.

[0029] At the same time, through the first connecting rod 18 and the second connecting rod 19 arranged, the first sleeve 12 and the second sleeve 15 can be assisted and supported, and through the threaded rod 4 arranged, when the first sleeve 12 and the second sleeve 15 are subjected to external forces, the third connecting rod 25 and the fourth connecting rod 8 are constantly pulled inward under the action of the spring 6, so that when subjected to external forces, the stability of the device as a whole can be enhanced.

[0030] The above is only a preferred specific embodiment of the application, but the protection scope of the application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the application within the technical range disclosed by the application, which should be covered within the protection scope of the application.

Claims

1. A foundation pit support bracing device for pipe gallery construction, comprising two support plates (1), characterized in that, Two outer walls of the support plates (1) are fixedly connected with water-stopping curtains (2), a comprehensive pipe gallery (5) is installed between the two support plates (1), one outer wall of the support plate (1) is fixedly connected with a base (3), a plurality of threaded rods (4) are rotatably connected to the outer wall of the base (3), a plurality of first sleeves (12) and a plurality of second sleeves (15) are slidably connected to the plurality of threaded rods (4), a sliding block (11) is threadedly connected to a threaded section of each of the plurality of threaded rods (4), the sliding block (11) is fixedly connected with the first sleeve (12) and the second sleeve (15), respectively, a top plate (13) is fixedly connected to upper ends of the plurality of first sleeves (12) and the plurality of second sleeves (15), a device groove (14) is formed in the base (3), a rotating mechanism for rotating the plurality of threaded rods (4) is installed in the device groove (14), the rotating mechanism comprises a plurality of first gears (7) rotatably connected in the device groove (14), each of the plurality of first gears (7) is fixedly connected with a corresponding one of the plurality of threaded rods (4), a second gear (9) is rotatably connected in the device groove (14), the second gear (9) is connected with the plurality of first gears (7) through a chain (23), a threaded hole (22) is formed in an upper end of the top plate (13), a screw (21) is threadedly connected in the threaded hole (22), another support plate (1) is provided with a threaded hole, the screw (21) is threadedly connected in the threaded hole, an output shaft of a servo motor (10) extends into the device groove (14) and is fixedly connected with the second gear (9).

2. The pit support bracing device for pipe gallery construction according to claim 1, wherein Two first connecting rods (18) are rotatably connected to the outer wall of the first sleeve (12), two second connecting rods (19) are rotatably connected to the outer wall of the second sleeve (15), the two first connecting rods (18) and the two second connecting rods (19) are respectively located on the same horizontal line, a sliding groove (20) is formed in each of the first connecting rod (18) and the second connecting rod (19), a connecting block (24) is slidably connected in the sliding groove (20), a third connecting rod (25) and a fourth connecting rod (8) are slidably connected in the sliding groove (20), respectively, the third connecting rod (25) and the fourth connecting rod (8) are rotatably connected, a spring (6) is installed in the sliding groove (20), one end of the spring (6) is fixedly connected with the connecting block (24), the other end of the spring (6) is fixedly connected with the inner wall of the sliding groove (20), the third connecting rod (25) and the fourth connecting rod (8) are fixedly connected with the connecting block (24), respectively.

3. The pit support bracing device for pipe gallery construction according to claim 2, characterized in that, A limiting groove (16) is formed in the outer wall of the sliding block (11), a limiting rod (17) is slidably connected in the limiting groove (16), the limiting rod (17) is fixedly connected with the base (3), the height of the limiting rod (17) is consistent with the height of the threaded rod (4), a limiting block (26) is fixedly connected to the upper end of each of the plurality of threaded rods (4).

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