Automatic soil accumulation preventing and cleaning device for steel support

Abstract

A kind of steel support prevents automatic cleaning device of soil accumulation, including cleaning frame fixed on steel support, install in the cleaning frame on the system of soil accumulation, cleaning frame includes support structure, top cover by middle to both sides gradually far away, system of soil accumulation includes the circulating steel wire loop rope located in the top cover directly above, two fixedly located in the bottom edge side of top cover fixed steel wire rope, two can be moved along the length direction of steel support to the top cover is cleaned and is scraped steel wire rope, the upper end of each side of scraping steel wire rope and the corresponding side of circulating steel wire loop rope are fixedly connected, the lower end of each side of scraping steel wire rope is matched with the corresponding fixed steel rope by the lower guide wheel of installation, still include power control device.Power control device controls the forward and reverse circulation movement of circulating steel wire loop rope, to drive the scraping steel wire rope on both sides to and fro in the corresponding side of top cover, automatically clean the soil ash falling on top cover, cleaning efficiency is high, use safer.

Description

Technical Field

[0001] This invention relates to the field of engineering construction equipment technology, and in particular to an automatic cleaning device for preventing soil accumulation on steel supports. Background Technology

[0002] The construction of deep underground foundation pits usually adopts the support method of concrete support + steel support. However, the steel support is arranged more densely than the concrete support. During the earthwork excavation, the soil is easily scattered on the top layer of steel support. Since the foundation pit is excavated vertically and deep, the top steel support is in a negative height state. Moreover, the surface of the steel support is smooth, which makes cleaning difficult and poses a high safety risk.

[0003] Currently, the clearing of accumulated soil on top of steel supports in deep underground foundation pits is mostly carried out manually with the aid of safety ropes. Construction workers stand on the steel supports on both sides to perform the work, and the clearing frequency is relatively high. This method of clearing operations carries a high risk of falls from heights and falling objects, and has low construction efficiency. In today's context of unprecedented pressure on safe production, it poses a significant safety hazard.

[0004] Therefore, it is essential to design a steel-supported automatic soil-clearing device that meets the requirements of safety, efficiency, and automation. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide an automatic cleaning device for preventing soil accumulation on steel supports.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: an automatic cleaning device for preventing soil accumulation on steel supports, comprising a cleaning frame fixed on a steel support and a soil clearing system installed on the cleaning frame. The cleaning frame includes a support structure and a top cover fixed on the support structure and extending along the length of the steel support. The top cover gradually moves downward and away from the center to both sides. The soil clearing system includes a circulating steel wire rope extending along the length of the steel support directly above the top cover, two fixed steel wire ropes respectively fixed on the two bottom sides of the top cover, and two scraping steel wire ropes that can move along the length of the steel support to clean the top cover. The upper end of each scraping steel wire rope is fixedly connected to the corresponding side of the circulating steel wire rope, and the lower end of each scraping steel wire rope cooperates with the corresponding fixed steel wire rope through an installed lower guide wheel. The automatic cleaning device for preventing soil accumulation on steel supports also includes a power control device for controlling the forward and reverse circulation of the circulating steel wire rope.

[0007] In some embodiments, the support structure includes multiple sets of transverse frames and multiple longitudinal steel beams connecting the transverse frames. Each set of transverse frames includes a triangular frame and an inner frame fixed inside the triangular frame. The top cover includes two sets of top plates, which are respectively fixedly installed on the corresponding longitudinal steel beams on the sides, with their upper edges touching and their lower edges moving away to form a triangle, thereby covering the steel support. The structure is simple, and the inclined top plates facilitate the removal of dust from the scraping wire rope.

[0008] In some embodiments, the support structure is equipped with a fixing system that is fixed to the steel support.

[0009] In some embodiments, the fixing system includes two or more electromagnetic strips fixed to the inside of the support structure for adsorption onto the steel support, each electromagnetic strip extending along the length of the steel support. The device is then hoisted and installed on the corresponding steel support, secured magnetically, making positioning simple and quick.

[0010] In some embodiments, the fixing system includes at least two pairs of gripper structures distributed along the length direction. Each pair of gripper structures includes two arc-shaped grippers symmetrically arranged on the transverse inner side of the support structure. The middle part of each arc-shaped gripper is pivotally connected to the support structure. When the steel support anti-soil-accumulation automatic cleaning device is lifted vertically upward, the upper part of the arc-shaped grippers of each pair of gripper structures hangs down naturally, so that the lower parts of the two arc-shaped grippers of each pair of gripper structures are relatively far apart, which facilitates the steel support to enter or exit the two arc-shaped grippers laterally. When the steel support anti-soil-accumulation automatic cleaning device is lifted and lowered into the steel support, the transverse top of the steel support abuts against the upper part of the two arc-shaped grippers and pushes upward, so that the lower parts of the two arc-shaped grippers of each pair of gripper structures are relatively close and tightly grip the middle steel support.

[0011] In some embodiments, the fixing system includes anti-displacement positioning hoops that are clamped onto the steel support. Anti-displacement lower limit blocks are fixed on the left and right sides of the anti-displacement positioning hoops, and anti-displacement upper limit blocks are fixed on the two inner sides of the support structure. When the steel support anti-soil accumulation automatic cleaning device is lifted and placed downwards onto the steel support, the anti-displacement lower limit blocks on both sides abut against the corresponding anti-displacement upper limit blocks, and the two anti-displacement upper limit blocks are sandwiched between the two anti-displacement lower limit blocks.

[0012] In some embodiments, the support structure has upward-extending lifting frames at both ends, with two load-bearing members fixed between the two lifting frames. These load-bearing members are located directly above the circulating steel wire rope. The top of the scraping steel wire rope or the circulating steel wire rope is also suspended from the corresponding load-bearing members via upper guide wheels or lifting rings. The load-bearing members can be steel wire ropes or steel rods, providing effective support to the circulating steel wire rope and the scraping steel wire rope.

[0013] In some embodiments, the hoisting frame is equipped with a circulating guide wheel, and the circulating wire rope is wound around the circulating guide wheel.

[0014] In some embodiments, safety hoisting steel wire auxiliary ropes with both ends capable of being fixed to the top of the two sides of the foundation pit are threaded through the two hoisting holes.

[0015] The scope of this invention is not limited to technical solutions formed by specific combinations of the above-described technical features, but also includes other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in this application.

[0016] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: After the device is fixed on the steel support, the power control device controls the circulating steel wire rope to move in both directions, thereby driving the scraping steel wire ropes on both sides to move back and forth on the corresponding side of the top cover, automatically cleaning up the soil and dust that fall on the top cover, with high cleaning efficiency and safer use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the side layout of this device;

[0018] Figure 2 This is a schematic diagram of the end face of the device installed on the steel support;

[0019] Figure 3 This is a schematic diagram of the end face state of the device during the installation process with the steel support;

[0020] Figure 4 This is a schematic diagram of the end face state of the device after it has detached from the steel support;

[0021] The components include: 1. Inner frame; 2. Triangular frame; 3. Top plate; 4. Longitudinal steel beam; 5. Load-bearing component; 6. Circulating steel wire rope; 7. Scraping steel wire rope; 8. Lower guide wheel; 9. Fixed steel wire rope; 11. Motor; 12. Main control cabinet; 13. Lifting hole; 14. Lifting frame; 15. Circulating guide wheel; 16. Lifting ring; 17. Arc-shaped claw; 18. Anti-eccentric positioning hoop; 18a. Anti-eccentric lower limit block; 19. Anti-eccentric upper limit block. Detailed Implementation

[0022] As shown in the attached figures, a steel-supported automatic soil-clearing device includes a cleaning frame, a fixing system and a soil-clearing system respectively installed on the cleaning frame, as well as a control system and auxiliary facilities.

[0023] The cleaning rack includes a support structure and a top cover that is fixed to the support structure and extends along the length of the steel support.

[0024] The supporting structure includes multiple sets of transverse frames and multiple longitudinal steel beams 4 connecting the multiple sets of transverse frames. Each set of transverse frames includes a triangular frame 2 and a semi-circular inner frame 1 fixed inside the triangular frame 2.

[0025] The top cover gradually moves downwards and away from the center towards both sides. In this embodiment, it includes two top plates 3, which are respectively fixedly installed on the longitudinal steel beams 4 on the corresponding sides, forming a triangular shape with the upper parts joined together and the lower parts moving away from each other, thereby covering the steel support.

[0026] As attached Figure 1 , 2 As shown, the top of both ends of the support structure has a lifting frame 14 that extends upward and out of the top cover, and a circulating guide wheel 15 is installed on the lifting frame 14.

[0027] The cleaning system includes a circulating steel wire rope 6 that winds around the circulating guide wheel 15 and extends along the length of the steel support, and two fixed steel wire ropes 9 that are respectively fixed on the two bottom sides of the top cover. The fixed steel wire ropes 9 on each side are fixed to the bottom of the first and last transverse frames by means of bursting or bolts.

[0028] As attached Figure 1 As shown, the cleaning system also includes two scraping wire ropes 7 that can move along the length of the steel support to clean the top cover. The upper end of each scraping wire rope 7 is fixedly connected to the corresponding side of the circulating wire rope 6. Specifically, two load-bearing members 5 are horizontally parallel and fixed between the two lifting frames 14. The two load-bearing members 5 are located directly above the circulating wire rope 6. The top of the scraping wire rope 7 is hung on the corresponding load-bearing member 5 by the installed lifting ring 16. The lower end of each scraping wire rope 7 is in rolling engagement with the corresponding fixed wire rope 9 by the installed lower guide wheel 8.

[0029] The steel-supported anti-soil-accumulation automatic cleaning device also includes a power control device, such as a servo motor or traction motor 11, which is used to control the forward and reverse circulation of the circulating steel wire rope 6, thereby scraping the top plate 3 back and forth, automatically cleaning the soil and dust, preventing the soil and dust from accumulating into clumps, with high cleaning efficiency and safer use.

[0030] The supporting structure is equipped with a fixing system that is fixed to the steel support.

[0031] As shown in the attached figures, the fixing system includes an anti-weight positioning hoop 18 that is clamped onto the steel support. An anti-slip rubber layer is provided between the anti-weight positioning hoop 18 and the steel support. The anti-weight positioning hoop 18 is clamped tightly onto the steel support.

[0032] Anti-deviation positioning hoop 18 has anti-deviation lower limit blocks 18a fixed on both sides, and a long strip-shaped anti-deviation upper limit block 19 fixed on both sides of the semi-circular inner frame 1. When the steel support anti-soil accumulation automatic cleaning device is lifted and placed downwards on the steel support, the anti-deviation lower limit blocks 18a on both sides abut against the corresponding anti-deviation upper limit blocks 19, that is, the two anti-deviation upper limit blocks 19 are sandwiched between the two anti-deviation lower limit blocks 18a, thereby preventing the anti-soil accumulation automatic cleaning device from rotating downwards relative to the steel support under its own weight after being placed on the steel support.

[0033] As shown in the attached figures, the fixing system also includes two pairs of gripper structures fixed at the beginning and end of the support structure.

[0034] Each pair of gripper structures includes two symmetrically arranged arc-shaped grippers 17 pivotally connected to the inner side of the support structure in the transverse direction. The middle part of each arc-shaped gripper 17 is pivotally connected to the corresponding longitudinal steel beam 4 of the support structure.

[0035] As attached Figure 4 As shown, when the steel support anti-soil-accumulation automatic cleaning device is lifted vertically upwards, the upper part of the arc-shaped claws 17 of each pair of claw structures hangs down naturally due to gravity, so that the lower parts of the two arc-shaped claws 17 of each pair of claw structures are relatively far apart, thus facilitating the steel support to enter or exit the two arc-shaped claws 17 laterally.

[0036] As attached Figure 3 As shown, when the steel support anti-soil-accumulation automatic cleaning device is lifted and lowered into the steel support, the top of the steel support moves upward against the upper part of the two arc-shaped claws 17 and pushes them upward, so that the lower parts of the two arc-shaped claws 17 of each pair of claw structures are relatively close, thereby gradually tightening the middle steel support.

[0037] As attached Figure 2 As shown, the steel-supported automatic soil-clearing device is stably installed on the corresponding steel support. Laterally, it is restricted by the lower anti-deviation limit block 18a and the upper anti-deviation limit block 19 on both sides. The device rests on the steel support under its own weight; the heavier the device, the tighter the two arc-shaped grippers 17 on both sides hold it, resulting in greater stability. Furthermore, when the steel-supported automatic soil-clearing device is subjected to a tilting wind, the tilting force cannot cause the upper parts of the arc-shaped grippers 17 in both directions to simultaneously droop downwards under the influence of gravity. Therefore, the steel-supported automatic soil-clearing device can be stably installed on the corresponding steel support. Only when the steel-supported automatic soil-clearing device is lifted vertically upwards, causing the upper parts of all the arc-shaped grippers 17 to simultaneously droop downwards under the influence of gravity, can the steel support be released.

[0038] In this embodiment, two or more electromagnetic suction strips 10 are fixed within the semi-circular inner frame 1 for adsorption onto the steel support, with each electromagnetic suction strip 10 extending along the length of the steel support. The electromagnetic suction strips 10 are reliably connected to the lower part of the anti-deviation upper limit block 19 by welding or bolts.

[0039] The hoisting frame 14 has hoisting holes 13 located above the load-bearing component 5. As a safety aid, safety hoisting steel wire auxiliary ropes are also threaded through the two hoisting holes, and the two ends of the safety hoisting steel wire auxiliary ropes can be fixed to the top of both sides of the pit.

[0040] In addition to the power control device, the control system also includes the main control cabinet 12, the three-level distribution box, etc. It is a conventional electrical control system, not an invention point, and will not be described in detail.

[0041] Install:

[0042] Before the next layer of steel support begins excavation, the device is hoisted and installed on the previous layer of steel support. Once installed, powered on, and secured with magnetic clamps, excavation begins. This device features simple and quick positioning. The top plate 3 is designed in a triangular shape, with the scraping wire ropes 7 on both sides moving back and forth to scrape and clean the soil on the top plate 3, preventing soil accumulation. It can also be activated to move the scraping wire ropes 7 back and forth to clean up accumulated soil based on the amount of soil deposited or the time interval, demonstrating intelligent operation.

[0043] In this embodiment, a matching anti-weight positioning hoop 18 needs to be fixed on the steel support in advance. The installation steps of the steel support anti-soil accumulation automatic cleaning device are as follows:

[0044] Step 1: Construction of the cleaning frame, mainly composed of a semi-circular inner frame 1, a triangular frame 2, longitudinal steel beams 4, and a top plate 3. The semi-circular inner frame 1 is made of bent square steel, the triangular frame 2 is made of welded or bolted 5# angle steel, the first and last triangular frames 2 are equipped with hoisting frames 14, and the top plate 3 is fully laid on the longitudinal steel beams 4, which are made of 5# square steel.

[0045] Step Two: Installation of the cleaning system. First, install the load-bearing component 5, then install the circulating steel wire rope 6, the bottom fixing steel wire ropes 9 on both sides, and the scraping steel wire ropes 7 on both sides in sequence. The lower guide wheel of the scraping steel wire rope 7 cooperates with the fixing steel wire rope 9. The upper lifting ring of the scraping steel wire rope 7 is fitted onto the load-bearing component 5, without restricting longitudinal displacement.

[0046] Step 3: Fix the system installation. Install the anti-deviation upper limit block 19 and electromagnetic suction strip 10 in the middle of the inner side of the cleaning frame support structure. Install the claw structure on both the front and rear sides respectively. Insert the safety hoisting steel wire auxiliary rope into the hoisting hole 13 of the hoisting frame 14.

[0047] Step 4: Control system installation. The circulating steel wire rope 6 is controlled by motor 11. The electromagnetic suction strip 10 and the motor 11 cable are led out separately, with sufficient length to connect to the main control cabinet 12.

[0048] Step 5: After installation, extend the length of the safety hoisting steel wire auxiliary rope and fix both ends to the corresponding steel support ends at the top of the foundation pit. Use a crane to place this device on the top of the upper layer of steel support, ensuring that the anti-deviation upper limit block 19 is located between the two anti-deviation lower limit blocks 18a. Tighten the safety hoisting steel wire auxiliary rope, connect the power supply, and start the fixing system and control system to activate the anti-soil accumulation and automatic cleaning mode, ensuring that there is no soil accumulation on the top of the steel support.

[0049] Of course, the above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be used to limit the scope of protection of the present invention. All modifications made according to the spirit and essence of the main technical solution of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A steel support earth accumulation prevention automatic cleaning device, characterized by: The steel support anti-accumulation soil automatic cleaning device comprises a cleaning frame fixed on a steel support, a cleaning system installed on the cleaning frame, the cleaning frame comprises a support structure, a top cover fixed on the support structure and extending along the length direction of the steel support, the top cover is gradually away from the middle to both sides, the cleaning system comprises a circulating steel wire loop rope (6) located above the top cover and extending along the length direction of the steel support, two fixed steel wire ropes (9) fixed on both bottom edges of the top cover, and two scraping steel wire ropes (7) capable of moving along the length direction of the steel support and sweeping the top cover, the upper end of each scraping steel wire rope (7) is fixedly connected with the corresponding side of the circulating steel wire loop rope (6), and the lower end of each scraping steel wire rope (7) is matched with the corresponding fixed steel wire rope (9) through a lower guide wheel (8) installed thereon, the steel support anti-accumulation soil automatic cleaning device further comprises a power control device capable of controlling the forward and reverse circulation of the circulating steel wire loop rope (6), the support structure comprises a plurality of transverse frames, a plurality of longitudinal steel beams (4) connected with the plurality of transverse frames, each transverse frame comprises a triangular frame (2) and an inner frame (1) fixed to the inner side of the triangular frame (2), and the top cover comprises two top plates (3) fixedly installed on the corresponding longitudinal steel beam (4) on the corresponding side, and forms a triangular shape with the upper edge being butt-jointed and the lower edge being away from each other, thereby covering the steel support, the support structure is provided with a fixing system fixed on the steel support, the fixing system comprises at least two pairs of claw structures distributed along the length direction, each pair of claw structures comprises two arc-shaped claws (17) symmetrically arranged on the inner side of the support structure in the transverse direction, and the middle part of each arc-shaped claw (17) is pivotally connected with the support structure, when the steel support anti-accumulation soil automatic cleaning device is vertically lifted upward, the upper part of the arc-shaped claws (17) of each pair of claw structures naturally falls downward, so that the lower parts of the two arc-shaped claws (17) of each pair of claw structures are relatively away from each other, thereby facilitating the transverse entry or exit of the steel support into or out of the two arc-shaped claws (17), and when the steel support anti-accumulation soil automatic cleaning device is lifted downward and placed into the steel support, the transverse top of the steel support abuts against the upper parts of the two arc-shaped claws (17) and pushes upward, so that the lower parts of the two arc-shaped claws (17) of each pair of claw structures are relatively close to each other, and the middle steel support is tightly held, the fixing system comprises a deviation-preventing positioning hoop (18) tightly arranged on the steel support, the deviation-preventing positioning hoop (18) is provided with deviation-preventing lower limit blocks (18a) fixed on the left and right sides thereof, and the support structure is provided with deviation-preventing upper limit blocks (19) fixed on the inner sides thereof in the transverse direction, when the steel support anti-accumulation soil automatic cleaning device is lifted downward and placed on the steel support, the deviation-preventing lower limit blocks (18a) on both sides abut against the corresponding deviation-preventing upper limit blocks (19), and the two deviation-preventing upper limit blocks (19) are clamped between the two deviation-preventing lower limit blocks (18a), the support structure is provided with lifting frames (14) protruding upward at the top of the head and tail ends.

2. The steel support earth accumulation preventing and automatic cleaning device according to claim 1, characterized in that: The fixing system comprises two or more electromagnetic absorbing strips (10) fixed inside the support structure for absorbing the steel support, and each electromagnetic absorbing strip (10) extends along the length direction of the steel support.

3. The steel support earth accumulation preventing and automatic cleaning device according to claim 1, characterized in that: Two load-bearing members (5) are fixed between the two lifting frames (14), and the two load-bearing members (5) are located directly above the circulating steel wire loop rope (6). The top of the sweeping steel wire rope (7) or the circulating steel wire loop rope (6) is hung on the corresponding load-bearing member (5) through the installed upper guide wheel or lifting ring (16).

4. The steel support earth accumulation preventing and automatic cleaning device according to claim 3, characterized in that: A circulating guide wheel (15) is installed on the lifting frame (14), and the circulating guide wheel (15) is located below the load-bearing member (5). The circulating steel wire loop rope (6) is wound around the circulating guide wheel (15).

5. The steel support earth accumulation preventing and automatic cleaning device according to claim 4, characterized in that: The lifting frame (14) is provided with lifting holes (13) at the two ends, and the lifting holes (13) are located above the load-bearing member (5).

6. The steel support earth accumulation preventing and automatic cleaning device according to claim 5, characterized in that: Two safety lifting steel wire auxiliary ropes are arranged in the two lifting holes, and the two ends of the safety lifting steel wire auxiliary ropes can be fixed to the top of the two sides of the foundation pit.

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