Building underground engineering slope supporting and reinforcing structure

Abstract

The utility model relates to the technical field of slope supporting, in particular to a building underground engineering slope supporting reinforcing structure which comprises a fixed base, a plurality of vertical rods are fixedly connected to the edge of one side of the top face of the fixed base, and transmission lead screws are rotationally connected to the positions, located at the centers among the vertical rods, of the edge of one side of the top face of the fixed base. The device has the advantages that the driven worm gears can be driven to rotate synchronously by rotating the driving worm, then the transmission lead screws are driven to rotate to drive the lifting vertical rods to ascend and descend, and therefore the staggered covering area of the vertical rods and the lifting vertical rods is adjusted, the reinforcing shielding area is adjusted, and the device adapts to foundation pit slopes of different heights; the device can be nailed into the ground on the outer side of a foundation pit through a fixing plate and a plurality of fixing teeth at the bottom, then a winding worm is rotated to drive a winding and unwinding worm wheel to rotate, and a reel is driven to tension a traction rope, so that a plurality of lifting vertical rods are tightly pressed to be attached to a side slope, the supporting stability is improved, and the shielding strength is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of slope support, in particular to a slope support reinforcement structure for underground construction projects. Background Art

[0002] Underground engineering refers to underground civil engineering projects built deep below the surface to develop and utilize underground space resources. These include underground housing, underground structures, underground parking lots, subways, highway tunnels, underwater tunnels, underground common trenches, and underpasses. During the construction of underground engineering, large machinery is required to excavate pits of varying sizes in the foundation. However, due to soil quality issues, the slopes of these pits are prone to collapse, which not only endangers the safety of construction workers but also affects the progress of construction. Therefore, when excavating pits, the slopes need to be reinforced.

[0003] The current slope support reinforcement structure mostly fits the slope with a baffle, and then supports the baffle with a support rod. However, the current slope support reinforcement structure is a fixed structure, and the shielding height cannot be adaptively adjusted according to the slope height. At the same time, it is only tightened by the support rod, the reinforcement method is single, and the reinforcement stability is poor. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] To this end, one purpose of the present invention is to propose a slope support and reinforcement structure for underground construction projects to solve the problems mentioned in the background technology and overcome the shortcomings of the existing technology.

[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present invention provides a slope support and reinforcement structure for underground construction projects, including a fixed base, an edge of one side of the top surface of the fixed base is fixedly connected to a plurality of vertical rods, an edge of one side of the top surface of the fixed base is rotatably connected to a transmission screw at a position at the center between the plurality of vertical rods, several of the transmission screws are penetrated into the inner wall of the fixed base, several of the transmission screws are fixedly connected to a driven worm gear on one side of the inner wall of the fixed base, a driving worm is rotatably connected to the middle of one side of the fixed base, the driving worm penetrates into the interior of the fixed base and is simultaneously meshed with the plurality of driven worm gears, lifting vertical rods are slidably connected between the plurality of vertical rods, the top ends of the plurality of lifting vertical rods are commonly fixedly connected to a top plate, connecting ears are fixedly connected on both sides of the top surface of the top plate, and the centers of the two connecting ears are rotatably connected together. The axle up and down groove at two ends embeds respectively in two guide rails up and down of being made up of the groove on the attachment piece, and the tooth on the attachment piece is meshed with tooth on upper sprocket wheel, the lower sprocket. The lower sprocket. The lower sprocket. The lower sprocket. The two guide rails are meshed with tooth on upper sprocket.

[0007] Preferably, any of the above schemes is that the lengths of several lifting vertical rods are adapted to the lengths of several vertical rods, the widths of several lifting vertical rods are adapted to the widths of several vertical rods, the thicknesses of several lifting vertical rods are adapted to the distances between several vertical rods, and the lengths of the transmission screws are adapted to the lengths of the lifting vertical rods.

[0008] The technical effect achieved by adopting the above solution is: the lifting vertical rod and the plurality of vertical rods can be fully fitted together, the compactness of the combination is improved, and the shielding effect is improved.

[0009] Preferably, from any of the above schemes, both ends of the driving worm pass through the outer wall from both ends of the fixed base, both ends of the driving worm are fixedly connected to the rotating head, and the centers of both ends of the winding worm are fixedly connected to the wrench head.

[0010] The technical effect achieved by adopting the above solution is that the driving worm and the winding worm can be easily driven and rotated by the rotating head and the wrench head for adjustment.

[0011] Preferably, any of the above schemes has a plurality of fixed ground spikes fixedly connected to the edge of one side of the bottom surface of the fixed base, the fixed base is vertically arranged with a plurality of vertical rods, the length of the supporting tooth plate is adapted to the length of the fixed base, and the length of the fixed plate is adapted to the length of the fixed base.

[0012] The technical effect achieved by adopting the above solution is: the supporting torque can be increased by fixing the base, thereby improving the supporting effect, and the fixing effect can be improved by fixing a number of spikes.

[0013] Preferably, any of the above schemes is that several of the telescopic support rods include a threaded sleeve, the top end of the threaded sleeve is rotatably connected to an adjusting nut, the inner wall of the threaded sleeve is slidably connected to a threaded telescopic rod, the threaded telescopic rod is threadedly connected to the adjusting nut, the bottom end of the threaded sleeve is fixedly connected to a second connecting hinge, the top end of the threaded telescopic rod is fixedly connected to a first connecting hinge, the second connecting hinge is fixedly connected to the top surface of the supporting tooth plate, and the first connecting hinge is fixedly connected to the vertical rod.

[0014] The technical effect achieved by adopting the above solution is that the threaded telescopic rod can be extended by rotating the threaded sleeve, the vertical rod can be tightened, and the stability of the support can be improved.

[0015] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows:

[0016] 1. The slope support and reinforcement structure of the underground engineering of this building can drive several driven worm wheels to rotate synchronously by rotating the driving worm, and then drive several transmission screws to rotate and drive several lifting vertical rods to rise and fall, thereby adjusting the staggered coverage area of ​​several vertical rods and several lifting vertical rods, thereby adjusting the reinforced shielding area to adapt to foundation pit slopes of different heights.

[0017] 2. The slope support and reinforcement structure of the underground engineering of this building can be nailed into the ground outside the foundation pit through the fixed plate and several fixed teeth at the bottom. Then, the winding worm is driven to rotate by the rotation of the winding worm gear, driving the reel to tighten the traction rope, thereby pressing several lifting vertical rods to fit the slope, improving the stability of the support and the shielding strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the top view of the structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.

[0021] In the figure: 1-fixed base, 2-vertical rod, 3-lifting vertical rod, 4-top plate, 5-connecting ear, 6-rotating shaft, 7-retractable worm gear, 8-rewinding worm, 9-supporting ear, 10-reel, 11-traction rope, 12-connecting plate, 13-fixed plate, 14-fixed tooth, 15-first connecting hinge, 16-telescopic support rod, 161-threaded sleeve, 162-adjusting nut, 163-threaded telescopic rod, 17-second connecting hinge, 18-supporting tooth plate, 19-fixed latching tooth, 20-fixed ground spike, 21-rotating head, 22-transmission screw, 23-driven worm gear, 24-driving worm. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0023] Example 1: Figures 1 to 3 As shown, a slope support and reinforcement structure for underground construction projects is shown, which includes a fixed base 1, a plurality of vertical rods 2 are fixedly connected to the edge of one side of the top surface of the fixed base 1, a transmission screw 22 is rotatably connected to the edge of one side of the top surface of the fixed base 1 at the center between the plurality of vertical rods 2, the plurality of transmission screws 22 are all penetrated into the inner wall of the fixed base 1, the plurality of transmission screws 22 are fixedly connected to the side of the inner wall of the fixed base 1 with a driven worm gear 23, the middle part of one side of the fixed base 1 is rotatably connected to the driving worm 24, the driving worm 24 penetrates into the interior of the fixed base 1 and is meshed with the plurality of driven worm gears 23 at the same time, lifting vertical rods 3 are slidably connected between the plurality of vertical rods 2, the tops of the plurality of lifting vertical rods 3 are commonly fixedly connected to a top plate 4, connecting ears 5 are fixedly connected to both sides of the top surface of the top plate 4, the centers of the two connecting ears 5 are rotatably connected to a rotating shaft 6, and both sides of the rotating shaft 6 They are both fixedly connected with a reel 10, and the inner walls of the two reels 10 are both wound and fixedly connected with a traction rope 11, and the two traction ropes 11 are commonly fixedly connected to a connecting plate 12 at one end away from the reel 10, and the bottom of the connecting plate 12 is fixedly connected to a fixed plate 13, and the middle part of the bottom surface of the fixed plate 13 is fixedly connected to a number of fixed teeth 14, and one end of the rotating shaft 6 is fixedly connected to a retractable worm gear 7, and one side of the connecting ear 5 is fixedly connected to a supporting ear 9, and the center of one side of the supporting ear 9 is rotatably connected to the retractable worm gear 8, and the middle part of the retractable worm gear 8 is meshed with the retractable worm gear 7, and the middle parts of two side surfaces symmetrically arranged on both sides of the several vertical rods 2 are rotatably connected to telescopic support rods 16, and the bottoms of the several telescopic support rods 16 are commonly rotatably connected to a supporting tooth plate 18, and the bottom surface of the supporting tooth plate 18 is fixedly connected to a number of fixed teeth 19, and the middle parts of the several lifting vertical rods 3 are respectively threadedly connected to the several transmission screws 22.

[0024] As an optional technical solution of the present invention, the length of several lifting vertical rods 3 is adapted to the length of several vertical rods 2, the width of several lifting vertical rods 3 is adapted to the width of several vertical rods 2, the thickness of several lifting vertical rods 3 is adapted to the distance between several vertical rods 2, and the length of the transmission screw 22 is adapted to the length of the lifting vertical rod 3, so that the lifting vertical rod 3 and several vertical rods 2 can be fully fitted, thereby improving the tight effect of the combination and improving the shielding effect.

[0025] As an optional technical solution of the present invention, the two ends of the driving worm 24 pass through the outer wall from both ends of the fixed base 1, and the two ends of the driving worm 24 are fixedly connected to the rotating head 21, and the centers of the two ends of the winding worm 8 are fixedly connected to the wrench head. The rotating head 21 and the wrench head are used to easily drive the driving worm 24 and the winding worm 8 to rotate for adjustment.

[0026] As an optional technical solution of the present invention, a plurality of fixed ground spikes 20 are fixedly connected to the edge of one side of the bottom surface of the fixed base 1, the fixed base 1 is vertically arranged with a plurality of vertical rods 2, the length of the supporting tooth plate 18 is adapted to the length of the fixed base 1, and the length of the fixed plate 13 is adapted to the length of the fixed base 1. The supporting torque can be increased by the fixed base 1 to improve the supporting effect, and the fixing effect can be improved by the plurality of fixed ground spikes 20.

[0027] As an optional technical solution of the present invention, several telescopic support rods 16 all include a threaded sleeve 161, the top of the threaded sleeve 161 is rotatably connected to the adjusting nut 162, the inner wall of the threaded sleeve 161 is slidably connected to the threaded telescopic rod 163, the threaded telescopic rod 163 is threadedly connected to the adjusting nut 162, the bottom end of the threaded sleeve 161 is fixedly connected to the second connecting hinge 17, the top of the threaded telescopic rod 163 is fixedly connected to the first connecting hinge 15, the second connecting hinge 17 is fixedly connected to the top surface of the support tooth plate 18, the first connecting hinge 15 is fixedly connected to the vertical rod 2, and the threaded telescopic rod 163 can be extended by rotating the threaded sleeve 161, and the vertical rod 2 can be tightened to improve the stability of the support.

[0028] A slope support and reinforcement structure for underground construction projects, the working principle is as follows:

[0029] 1) First, fix the fixed base 1 to the ground through several fixed spikes 20;

[0030] 2) Then, by rotating the driving worm 24, the driven worm gears 23 can be driven to rotate synchronously, thereby driving the driving screws 22 to rotate and drive the lifting vertical rods 3 to rise and fall, thereby adjusting the staggered coverage area of ​​the vertical rods 2 and the lifting vertical rods 3, thereby adjusting the reinforced shielding area to match the slope height;

[0031] 3) The fixing plate 13 and the several fixing teeth 14 at the bottom can then be nailed into the ground outside the foundation pit. Then, by rotating the winding worm 8, the retracting worm wheel 7 is driven to rotate, driving the reel 10 to tighten the traction rope 11, thereby pressing the several lifting vertical rods 3 tightly against the slope to improve the stability of the support;

[0032] 4) The supporting tooth plate 18 and several fixed spikes 20 are then fixed inside the foundation pit, and then the threaded telescopic rod 163 can be extended by rotating the threaded sleeve 161 to tighten the vertical rod 2 and improve the stability of the support.

[0033] To sum up, the slope support and reinforcement structure of the underground engineering of the building can drive several driven worm wheels 23 to rotate synchronously by rotating the driving worm 24, and then drive several transmission screws 22 to rotate and drive several lifting vertical rods 3 to lift and lower, thereby adjusting the staggered coverage area of ​​several vertical rods 2 and several lifting vertical rods 3, thereby adjusting the reinforced shielding area to adapt to foundation pit slopes of different heights. The fixed plate 13 and several fixed teeth 14 at the bottom can be nailed into the ground outside the foundation pit, and then the winding worm 8 is driven to drive the retracting worm wheel 7 to rotate, and the reel 10 is driven to tighten the traction rope 11, thereby pressing the several lifting vertical rods 3 to fit the slope, thereby improving the stability of the support and improving the shielding strength.

[0034] Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and should not be construed as limiting the present invention. Those skilled in the art may make changes, modifications, substitutions, and variations to the above embodiments without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slope support and reinforcement structure for underground construction, characterized by: The invention comprises a fixed base (1), wherein the edge of one side of the top surface of the fixed base (1) is fixedly connected to a plurality of vertical rods (2), the edge of one side of the top surface of the fixed base (1) is located at the center between the plurality of vertical rods (2) and is rotatably connected to a transmission screw (22), the plurality of transmission screws (22) are all penetrated into the inner wall of the fixed base (1), the plurality of transmission screws (22) are located on one side of the inner wall of the fixed base (1) and are fixedly connected to a driven worm gear (23), the middle part of one side of the fixed base (1) is rotatably connected to a driving screw (23), and the plurality of transmission screws (22) are located on the inner wall of the fixed base (1). A worm (24), wherein the driving worm (24) penetrates into the interior of the fixed base (1) and is simultaneously meshed with a plurality of driven worm wheels (23), wherein a plurality of vertical rods (2) are slidably connected to a lifting vertical rod (3), wherein the top ends of the plurality of lifting vertical rods (3) are commonly fixedly connected to a top plate (4), wherein both sides of the top surface of the top plate (4) are fixedly connected to connecting ears (5), wherein the centers of the two connecting ears (5) are jointly rotatably connected to a rotating shaft (6), and both sides of the rotating shaft (6) are fixedly connected to a reel (10), The inner walls of the two reels (10) are both wound and fixedly connected with a traction rope (11), and the ends of the two traction ropes (11) away from the reels (10) are fixedly connected with a connecting plate (12), the bottom of the connecting plate (12) is fixedly connected with a fixing plate (13), and the middle part of the bottom surface of the fixing plate (13) is fixedly connected with a plurality of fixed teeth (14), one end of the rotating shaft (6) is fixedly connected with a retractable worm gear (7), and one side of the connecting ear (5) is fixedly connected with a supporting ear (9), and the supporting ear (9) is fixedly connected with a worm gear (7). A winding worm (8) is rotatably connected at the center of the side, and the middle part of the winding worm (8) is meshed with the retracting worm wheel (7). The middle parts of two symmetrically arranged side surfaces of the vertical rods (2) are both rotatably connected to the telescopic support rod (16), and the bottoms of the telescopic support rods (16) are rotatably connected to the supporting tooth plate (18). The bottom surface of the supporting tooth plate (18) is fixedly connected to a plurality of fixed teeth (19), and the middle parts of the lifting vertical rods (3) are respectively threadedly connected to a plurality of transmission screws (22).

2. The slope support and reinforcement structure for underground construction according to claim 1, characterized in that: The lengths of the plurality of lifting vertical rods (3) are adapted to the lengths of the plurality of vertical rods (2), the widths of the plurality of lifting vertical rods (3) are adapted to the widths of the plurality of vertical rods (2), the thicknesses of the plurality of lifting vertical rods (3) are adapted to the distances between the plurality of vertical rods (2), and the lengths of the transmission screws (22) are adapted to the lengths of the lifting vertical rods (3).

3. The slope support and reinforcement structure for underground construction according to claim 2, characterized in that: The two ends of the driving worm (24) pass through the outer wall from the two ends of the fixed base (1), and the two ends of the driving worm (24) are fixedly connected to the rotating head (21), and the centers of the two ends of the winding worm (8) are fixedly connected to the wrench head.

4. The slope support and reinforcement structure for underground construction according to claim 3, characterized in that: A plurality of fixed ground spikes (20) are fixedly connected to the edge of one side of the bottom surface of the fixed base (1); the fixed base (1) and the plurality of vertical rods (2) are vertically arranged; the length of the supporting tooth plate (18) is adapted to the length of the fixed base (1); and the length of the fixed plate (13) is adapted to the length of the fixed base (1).

5. The slope support and reinforcement structure for underground construction according to claim 4, characterized in that: Several of the telescopic support rods (16) include a threaded sleeve (161), the top end of the threaded sleeve (161) is rotatably connected to an adjusting nut (162), the inner wall of the threaded sleeve (161) is slidably connected to a threaded telescopic rod (163), the threaded telescopic rod (163) is threadedly connected to the adjusting nut (162), the bottom end of the threaded sleeve (161) is fixedly connected to a second connecting hinge (17), the top end of the threaded telescopic rod (163) is fixedly connected to a first connecting hinge (15), the second connecting hinge (17) is fixedly connected to the top surface of the supporting tooth plate (18), and the first connecting hinge (15) is fixedly connected to the vertical rod (2).

Images