Working platform for foundation pit slope guniting support

Abstract

The utility model discloses a working platform for foundation pit slope guniting support. The working platform comprises two sections of guide rails which are detachably arranged on the outer edge of a slope toe of a slope. The guide rails are provided with two opposite adjacent ends, the guide rails are arranged in the length direction of the side slope, and the adjacent end of one guide rail is detachably connected to the adjacent end of the other guide rail; the supporting assembly comprises a plurality of unit frames which are coaxially and detachably installed together, and the unit frames at the lower end of the supporting assembly are arranged on the guide rails in a sliding mode; the platform plate is detachably mounted at the bottom of the unit frame at the upper end of the supporting assembly; the upper end of the ladder stand is installed on the side, opposite to the slope, of the supporting assembly in a turnover mode, and the lower end of the ladder stand is anchored to the ground through an anchoring part. The utility model solves the problems that the time is consumed and the construction cost is increased due to the fact that a scaffold is usually required to be erected when the foundation pit slope is subjected to guniting support in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of building engineering construction, in particular to a working platform for foundation pit slope spraying support. Background Art

[0002] In the process of construction engineering, the excavation and maintenance of foundation pits are particularly important. The support of foundation pit slopes is usually carried out by hanging mesh spraying. When spraying the slopes, it is usually necessary to set up scaffolding to provide a construction platform for workers. Setting up scaffolding in the foundation pit and dismantling it later not only takes time to extend the construction period, but also consumes manpower and material resources and increases construction costs.

[0003] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0004] In order to overcome the defects of the prior art, a working platform for shotcrete support of foundation pit slope is provided to solve the problem that in the prior art, scaffolding is usually required to be set up when shotcrete support is performed on foundation pit slope, which wastes time and increases construction costs.

[0005] In order to achieve the above purpose, a working platform for foundation pit slope shotcrete support is provided, comprising:

[0006] Two sections of guide rails are detachably mounted on the outer edge of the foot of the slope, the guide rails having two opposite adjacent ends, the guide rails are arranged along the length direction of the slope, and the adjacent end of one guide rail is detachably connected to the adjacent end of the other guide rail;

[0007] A support assembly, comprising a plurality of unit frames coaxially and detachably mounted together, wherein the unit frame at the lower end of the support assembly is slidably mounted on the guide rail;

[0008] a platform plate detachably mounted to the bottom of the unit frame at the upper end of the support assembly;

[0009] A retractable ladder, the upper end of which is reversibly mounted on a side of the support assembly facing away from the slope, and the lower end of which is anchored to the ground via an anchoring piece.

[0010] Furthermore, the anchor is a drill rod, a sleeve is installed at the lower end of the ladder, an electric hydraulic push rod is installed in the sleeve, a motor is installed at the telescopic end of the electric hydraulic push rod, and the motor is transmission-connected to the drill rod. After the electric hydraulic push rod is extended, the drill rod extends out of the sleeve, and the motor drives the drill rod to rotate so that the drill rod drills into the soil.

[0011] Furthermore, the drill rod is coaxially connected to the output shaft of the motor.

[0012] Furthermore, there are two sleeves, which are respectively installed on opposite sides of the lower end of the ladder.

[0013] Further, the ladder includes a fixed stair section and a telescopic stair section, the fixed stair section includes two first ladder columns and a plurality of first treads arranged opposite to each other, the first treads are connected between the two first ladder columns, and the plurality of first treads are arranged at intervals along the axial direction of the first ladder columns, and the opposite sides of the two first ladder columns are respectively provided with sliding grooves running through the upper and lower ends of the first ladder columns, the sliding grooves are arranged along the axial direction of the first ladder columns, and the sliding grooves of the two first ladder columns are arranged on the same side of the first treads, the telescopic stair section includes two second ladder columns and a plurality of second treads, the second treads are connected between the two second ladder columns, and the plurality of second treads are arranged at intervals along the axial direction of the second ladder columns, the second ladder column is slidably arranged in the sliding groove, and the fixed stair section is equipped with a locking member for locking the telescopic stair section.

[0014] Furthermore, the locking member is a latch, the second ladder column is provided with a plurality of adjustment holes, the plurality of adjustment holes are spaced apart along the axial direction of the second ladder column, the first ladder column is provided with a limiting through hole, and the latch is inserted into the limiting through hole and one of the adjustment holes.

[0015] Furthermore, a plurality of rollers are installed at the bottom of the unit frame at the lower end of the support assembly, and the rollers are slidably disposed on the guide rails.

[0016] Furthermore, the roller is provided with a locking member for locking the roller.

[0017] Furthermore, the adjacent end of the guide rail is detachably connected to the adjacent end of the other guide rail via a connecting plate, and the connecting plate is arranged between the bottom of the guide rail and the other guide rail.

[0018] Furthermore, through holes are respectively provided on opposite sides of both ends of the guide rail, a plurality of mounting through holes are provided in the middle of the connecting plate, the plurality of mounting through holes are spaced apart along the circumferential direction of the connecting plate, positioning through holes are respectively provided at the corners of the connecting plate, bolts are installed in the through holes and the mounting through holes, and anchor rods are inserted in the positioning through holes.

[0019] The beneficial effect of the utility model is that the working platform for foundation pit slope spraying support of the utility model is equipped with two sections of guide rails at the bottom of the foundation pit near the slope, the guide rails are arranged along the length direction of the slope, and a support assembly is slidably arranged on the guide rails. The support assembly includes a plurality of unit frames, and the platform plate is detachably mounted on the unit frame at the upper end of the support assembly. By increasing or decreasing the number of unit frames, the height of the support assembly can be adjusted, thereby adjusting the standing height of the construction personnel. The two sections of the guide rails are connected in a detachable manner. After the construction personnel complete the spraying construction of a workstation, by disassembling the rear section of the guide rail and installing the rear section of the guide rail to the front end of the front section of the guide rail, the support assembly carrying the construction personnel can be smoothly moved to the next workstation through the guide rail, thereby reducing the space occupied by the guide rail and saving the cost of laying the guide rail.

[0020] The utility model is a working platform for foundation pit slope shotcrete support, wherein a retractable ladder is installed on the side of the support assembly facing away from the slope, and an anchor is installed at the lower end of the ladder. The ladder is anchored to the ground through the anchor. On the one hand, construction workers can climb to the unit frame at the top of the support assembly through the ladder, and on the other hand, when the construction workers perform shotcrete operation on the slope, the ladder anchored to the ground can make the support assembly more stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0022] Figure 1 The present invention is a schematic structural diagram of a working platform for foundation pit slope shotcrete support according to an embodiment of the present invention.

[0023] Figure 2 Schematic diagram of the connection of the guide rails of the embodiment of the utility model.

[0024] Figure 3 It is a structural schematic diagram of a connecting plate according to an embodiment of the utility model.

[0025] Figure 4 It is a front view of the ladder according to an embodiment of the utility model.

[0026] Figure 5 It is a top view of the ladder according to an embodiment of the utility model.

[0027] Figure 6 It is a left side view of the ladder according to an embodiment of the utility model. DETAILED DESCRIPTION

[0028] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] Reference Figures 1 to 6 As shown, the utility model provides a working platform for foundation pit slope shotcrete support, comprising: a guide rail 1, a support assembly 2, a platform plate 3 and a retractable ladder 4.

[0031] The guide rail 1 is installed at the bottom of the foundation pit near the slope. Specifically, the guide rail 1 is provided with two sections, the guide rail 1 is installed at the outer edge of the slope foot, and the guide rail 1 is arranged along the length direction of the slope. The guide rail 1 has two opposite adjacent ends, and the adjacent end of one section of the guide rail 1 is detachably connected to the adjacent end of the other section of the guide rail.

[0032] The support assembly 2 is used to carry construction workers who perform grouting operations on the slope. The support assembly 2 includes a plurality of unit frames 21. In this embodiment, the top corners of the unit frames 21 are respectively connected with plug rods, and the bottom corners of the unit frames 21 are respectively formed with socket holes. The plug rods of the unit frames 21 are inserted into the socket holes of adjacent unit frames 21, so that the plurality of unit frames 21 can be detachably installed together. By increasing or decreasing the number of unit frames 21, the height of the support assembly 2 can be adjusted.

[0033] The unit frame 21 at the lower end of the support assembly 2 is slidably mounted on the guide rail 1. In this embodiment, a plurality of rollers 22 are mounted at the bottom of the unit frame 21 at the lower end of the support assembly 2, and the rollers 22 are slidably mounted on the guide rail 1. The support assembly 2 is slidably mounted on the guide rail 1 via the rollers 22.

[0034] A platform plate 3 is detachably mounted on the bottom of the unit frame 21 at the upper end of the support assembly 2. The platform plate 3 is provided for construction workers to stand and perform spraying operations.

[0035] A ladder 4 is installed on the support assembly 2, and the ladder 4 is a retractable ladder. Specifically, the upper end of the ladder 4 is reversibly installed on the side of the slope of the support assembly 2 facing away from the foundation pit, and the lower end of the ladder 4 is anchored to the ground through an anchor.

[0036] Specifically, after the support assembly 2 is displaced to a predetermined position along the guide rail 1, the length of the ladder 4 is adjusted so that the lower end of the ladder 4 is supported on the ground, and then the lower end of the ladder 4 is anchored to the ground using an anchor. On the one hand, construction workers can climb to the unit frame 21 at the upper end of the support assembly 2 through the ladder 4, and on the other hand, when construction workers are performing the spraying operation, by anchoring the ladder 4 to the ground, the support assembly 2 is not prone to shaking, and is more stable and safe.

[0037] Preferably, the unit frame 21 at the upper end of the support assembly 2 is provided with an entrance and exit 211 , and construction workers climb up the ladder 4 and enter the unit frame 21 at the upper end of the support assembly 2 through the entrance and exit 211 .

[0038] The utility model is a working platform for foundation pit slope spraying support, and two sections of guide rails are installed at the bottom of the foundation pit near the slope. The guide rails are arranged along the length direction of the slope, and a support assembly is slidably arranged on the guide rails. The support assembly includes a plurality of unit frames, and the platform plate is detachably mounted on the unit frame at the upper end of the support assembly. By increasing or decreasing the number of unit frames, the height of the support assembly can be adjusted, so that the standing height of the construction personnel can be adjusted. The two sections of the guide rails are connected in a detachable manner. After the construction personnel complete the spraying construction of a workstation, by disassembling the rear section of the guide rail and installing the rear section of the guide rail to the front end of the front section of the guide rail, the support assembly carrying the construction personnel can be smoothly moved to the next workstation through the guide rail, thereby reducing the space occupied by the guide rail and saving the cost of laying the guide rail.

[0039] The utility model is a working platform for foundation pit slope shotcrete support, wherein a retractable ladder is installed on the side of the support assembly facing away from the slope, and an anchor is installed at the lower end of the ladder. The lower end of the ladder is anchored to the ground by the anchor. On the one hand, construction workers can climb to the unit frame at the top of the support assembly by the ladder, and on the other hand, when the construction workers perform shotcrete operation on the slope, the ladder anchored to the ground can make the support assembly more stable and reliable.

[0040] As a preferred embodiment, the anchor is a drill rod. Preferably, the side wall of the drill rod is formed with spiral blades, and the spiral blades are extended along the circumferential direction of the drill rod at a preset angle.

[0041] A sleeve 43 is installed at the lower end of the ladder 4. In this embodiment, there are two sleeves 43, which are respectively installed at opposite sides of the lower end of the ladder 4. An electric hydraulic push rod is installed in the sleeve 43, and a motor is installed at the telescopic end of the electric hydraulic push rod, which is connected to the drill rod through transmission.

[0042] After the electric hydraulic push rod is extended, the drill rod extends out of the sleeve 43. Driven by the motor, the drill rod rotates. Under the joint action of the electric hydraulic push rod and the motor, the drill rod drills into the soil, thereby anchoring the lower end of the ladder 4 to the ground. When the support 2 needs to be moved, the motor drives the drill rod to rotate in the opposite direction to that when drilling into the soil, so that the drill rod can be easily rotated out of the soil.

[0043] As a preferred implementation, the drill rod is coaxially connected to the output shaft of the motor.

[0044] Reference Figures 4 to 6 As a preferred embodiment, the ladder 4 includes a fixed ladder section 41 and a telescopic ladder section 42. The fixed ladder section 41 includes two first ladder columns and a plurality of first step rods. The two first ladder columns are arranged opposite to each other, the first step rod is connected between the two first ladder columns, and the plurality of first step rods are arranged at intervals along the axial direction of the first ladder columns.

[0045] The telescopic ladder section 42 includes two second ladder columns and a plurality of second step rods. The two second ladder columns are arranged opposite to each other, the second step rod is connected between the two second ladder columns, and the plurality of second step rods are arranged at intervals along the axial direction of the second ladder columns.

[0046] The two first ladder columns are provided with sliding grooves on opposite sides thereof, the sliding grooves are arranged along the axial direction of the first ladder columns, and the sliding grooves penetrate the upper and lower ends of the first ladder columns. The sliding grooves of the two first ladder columns are arranged on the same side of the first step rod.

[0047] The second ladder columns on both sides of the telescopic ladder section 42 are slidably arranged in the slide grooves of the fixed ladder section 41. The fixed ladder section 41 is equipped with a locking piece for locking the telescopic ladder section 42.

[0048] Preferably, the locking member is a latch. Specifically, the second ladder column is provided with a plurality of adjustment holes 421, and the plurality of adjustment holes 421 are arranged at intervals along the axial direction of the second ladder column. The first ladder column is provided with a limit through hole 411. The length of the ladder 4 is adjusted by inserting the latch into the limit through hole 411 and one of the adjustment holes 421.

[0049] As a preferred embodiment, the roller 22 is equipped with a locking member for locking the roller 22. When the construction personnel perform the spraying operation, the locking member can be used to lock the roller 22, thereby limiting the rotation of the roller 22 and making the support assembly 2 more stable.

[0050] Reference Figure 2 and Figure 3 As a preferred embodiment, the adjacent end of the guide rail 1 is detachably connected to the adjacent end of another guide rail 1 through a connecting plate 12.

[0051] Specifically, the connecting plate 12 is disposed between the bottoms of the two sections of the guide rail 1. Through holes 11 are respectively provided on opposite sides of the two ends of the guide rail 1. A plurality of mounting through holes 121 are provided in the middle of the connecting plate 12, and the plurality of mounting through holes 121 are spaced apart along the circumferential direction of the connecting plate 12. Positioning through holes 122 are respectively provided at the corners of the connecting plate 12.

[0052] When connecting two sections of guide rails 1, align the through hole 11 of the guide rail 1 with the mounting through hole 121 of the connecting plate 12, then insert bolts into the aligned through hole 11 and mounting through hole 121 and tighten the bolts with nuts. Insert the anchor rod into the positioning through hole 122 to lock the guide rail 1 to the ground.

[0053] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A working platform for foundation pit slope shotcrete support, characterized in that: include: Two sections of guide rails are detachably mounted on the outer edge of the foot of the slope, the guide rails having two opposite adjacent ends, the guide rails are arranged along the length direction of the slope, and the adjacent end of one guide rail is detachably connected to the adjacent end of the other guide rail; A support assembly, comprising a plurality of unit frames coaxially and detachably mounted together, wherein the unit frame at the lower end of the support assembly is slidably mounted on the guide rail; a platform plate detachably mounted to the bottom of the unit frame at the upper end of the support assembly; A retractable ladder, the upper end of which is reversibly mounted on a side of the support assembly facing away from the slope, and the lower end of which is anchored to the ground via an anchoring piece.

2. The working platform for foundation pit slope shotcrete support according to claim 1 is characterized in that: The anchor is a drill rod, and a sleeve is installed at the lower end of the ladder. An electric hydraulic push rod is installed in the sleeve. A motor is installed at the telescopic end of the electric hydraulic push rod. The motor is transmission-connected to the drill rod. After the electric hydraulic push rod is extended, the drill rod extends out of the sleeve, and the motor drives the drill rod to rotate so that the drill rod drills into the soil.

3. The working platform for foundation pit slope shotcrete support according to claim 2 is characterized in that: The drill rod is coaxially connected to the output shaft of the motor.

4. The working platform for foundation pit slope shotcrete support according to claim 2 is characterized in that: The number of the sleeves is two, and the two sleeves are respectively installed on the opposite sides of the lower end of the ladder.

5. The working platform for foundation pit slope shotcrete support according to claim 1, characterized in that: The ladder comprises a fixed ladder section and a telescopic ladder section, the fixed ladder section comprises two first ladder columns and a plurality of first tread rods arranged opposite to each other, the first tread rod being connected between the two first ladder columns, the plurality of first tread rods being arranged at intervals along the axial direction of the first ladder columns, the opposite sides of the two first ladder columns are respectively provided with sliding grooves running through the upper and lower ends of the first ladder columns, the sliding grooves being arranged along the axial direction of the first ladder columns, the sliding grooves of the two first ladder columns being arranged on the same side of the first tread rod, the telescopic ladder section comprises two second ladder columns and a plurality of second tread rods arranged opposite to each other, the second tread rod being connected between the two second ladder columns, the plurality of second tread rods being arranged at intervals along the axial direction of the second ladder columns, the second ladder column being slidably arranged in the sliding groove, and the fixed ladder section is provided with a locking member for locking the telescopic ladder section.

6. The working platform for foundation pit slope shotcrete support according to claim 5 is characterized in that: The locking member is a latch, the second ladder column is provided with a plurality of adjustment holes, the plurality of adjustment holes are spaced apart along the axial direction of the second ladder column, the first ladder column is provided with a limiting through hole, the latch is inserted into the limiting through hole and one of the adjustment holes.

7. The working platform for foundation pit slope shotcrete support according to claim 1, characterized in that: A plurality of rollers are installed at the bottom of the unit frame at the lower end of the support assembly, and the rollers are slidably arranged on the guide rails.

8. The working platform for foundation pit slope shotcrete support according to claim 7, characterized in that: The roller is provided with a locking member for locking the roller.

9. The working platform for foundation pit slope shotcrete support according to claim 1, characterized in that: The adjacent end of the guide rail is detachably connected to the adjacent end of the other guide rail through a connecting plate, and the connecting plate is arranged between the bottom of the guide rail and the other guide rail.

10. The working platform for foundation pit slope shotcrete support according to claim 9, characterized in that: Through holes are respectively provided on opposite sides of both ends of the guide rail, a plurality of mounting through holes are provided in the middle of the connecting plate, the plurality of mounting through holes are spaced apart along the circumferential direction of the connecting plate, positioning through holes are respectively provided at the corners of the connecting plate, bolts are installed in the through holes and the mounting through holes, and anchor rods are inserted in the positioning through holes.

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