Adjustable formwork platform for concrete pouring around wells

Abstract

The present application discloses an adjustable formwork platform for pouring concrete around a well, characterized in that it includes a mobile bracket, a lifting hook, an umbrella-type adjustable formwork lifting mechanism and an umbrella-type adjustable formwork mechanism, the lifting hook is provided with four groups, the lifting hook is provided at the edge of the mobile bracket, the umbrella-type adjustable formwork lifting mechanism slides through the mobile bracket, the umbrella-type adjustable formwork mechanism is provided at the lower end of the umbrella-type adjustable formwork lifting mechanism, the mobile bracket includes a rectangular frame, legs, universal wheels and a support platform, the legs are provided at the lower side of the rectangular frame, and the universal wheels are fixedly connected to the lower ends of the legs. This solution pushes the mobile bracket above the well, and does not require the use of steel sections as a support for suspending the well seat. Instead, the well seat is suspended and fixed by the lifting hook. Since the universal wheels are provided on the mobile platform, the mobile platform is easy to move, which increases the efficiency of the well seat suspension installation and avoids the risk of the steel sections falling and hitting during transportation.

Description

Technical Field

[0001] The present application relates to the technical field of inspection wells, and in particular to an adjustable formwork platform for pouring concrete around wells. Background Art

[0002] Inspection well reinforcement projects have always been an important part of the city's urban maintenance projects, and the key control content of inspection well reinforcement projects is the pouring of inspection well concrete. The key factors affecting the quality of concrete pouring are "well seat installation and elevation adjustment" and "well shaft template installation and removal". The quality control of these two key processes determines the quality control of inspection well reinforcement.

[0003] The shortcomings of the existing well seat installation and elevation adjustment construction process include: first, the use of steel sections as the support of the suspended well seat is time-consuming and labor-intensive to install and transport during the construction process, and there is a risk of falling and causing impact injuries during the transfer and unloading process; second, the elevation adjustment is performed by adding concrete pads under the steel cage, and the elevation control is difficult to adjust, and fine fine-tuning cannot be guaranteed. Often, after one place is adjusted, several other places will deviate and fall. Due to the high precision requirements for height difference control, adjusting the elevation will take up a lot of energy. Summary of the invention

[0004] The main purpose of the present application is to provide an adjustable formwork platform for pouring concrete around a well to solve the problems in the related art.

[0005] In order to achieve the above-mentioned purpose, the present application provides an adjustable formwork platform for pouring concrete around a well, including a movable bracket, a lifting hook, an umbrella-type adjustable formwork lifting mechanism and an umbrella-type adjustable formwork mechanism, the lifting hooks are provided in four groups, the lifting hooks are provided at the edge of the movable bracket, the umbrella-type adjustable formwork lifting mechanism slides through the movable bracket, and the umbrella-type adjustable formwork mechanism is provided at the lower end of the umbrella-type adjustable formwork lifting mechanism.

[0006] The mobile bracket includes a rectangular frame, legs, universal wheels and a support platform, wherein the legs are arranged at the lower side of the rectangular frame, the universal wheels are fixedly connected to the lower ends of the legs, the support platform is fixedly connected to the middle of the upper surface of the rectangular frame, a first through hole is opened at the center of the support platform, the first through hole is set as a circular hole, and a second through hole is opened on the support platform near the first through hole;

[0007] The lifting hook comprises a sleeve, a hand wheel, a first bevel gear, a second bevel gear, a first threaded rod, a threaded sleeve, a sliding limit mechanism and a hook body, wherein the sleeve is fixedly connected to the outer surface of the rectangular frame, the hand wheel is fixedly connected to the first bevel gear, the first bevel gear and the second bevel gear are meshed, the second bevel gear and the first threaded rod are fixedly connected, the first threaded rod is rotatably connected to the sleeve through a bearing, the threaded sleeve is rotatably sleeved on the outer side of the first threaded rod through a thread, the outer surface of the threaded sleeve is slidably connected to the sleeve through the sliding limit mechanism, and the hook body is fixedly connected to the lower end of the threaded sleeve;

[0008] The umbrella-type adjustable template lifting mechanism includes a winch, a lifting tube and a disc, the winch is fixedly connected to the upper side of the support platform by bolts, the lifting tube passes through the first through hole, and the lifting tube and the first through hole are in clearance, the center of the disc is fixedly connected to the outer surface of the lifting tube, and the lifting rope of the winch passes through the second through hole and is fixedly connected to the disc;

[0009] An umbrella-type adjustable template mechanism comprises a radius adjustment component, an umbrella-type casing bracket, a fixed steel template, a movable steel template and a slide rail, wherein the radius adjustment component is arranged inside the lifting tube, the lower side of the radius adjustment component is rotatably connected to the umbrella-type casing bracket, the movable steel template and the fixed steel template are both arc-shaped plates, the inner wall of the movable steel template is rotatably pin-connected to the umbrella-type casing bracket, one side of the fixed steel template is fixedly connected to one side of the movable steel template by bolts, the other side of the fixed steel template is fitted with the movable steel template, the slide rail is arranged on the lower surface of the disc, and the sliding end of the slide rail is connected to the upper side of the movable steel template.

[0010] In an embodiment of the present invention, a diagonal brace is fixedly connected to one side of the supporting leg, and an upper end of the diagonal brace is fixedly connected to the lower side of the rectangular frame.

[0011] In one embodiment of the present invention, the sliding limit mechanism includes a limit plate and a slider, two limit plates are provided, the two limit plates are fixedly connected to the inner wall of the sleeve, the two limit plates are arranged in parallel, the slider is fixedly connected to the outer surface of the threaded sleeve, and the slider is slidably arranged between the two groups of limit plates.

[0012] In one embodiment of the present invention, the radius adjustment assembly includes a turntable and a second threaded rod, the second threaded rod is fixedly connected to the turntable, and the second threaded rod is threadedly connected to the inner ring of the sleeve of the umbrella-type sleeve support.

[0013] In one embodiment of the present invention, six of the fixed steel formworks, movable steel formworks and slide rails are provided.

[0014] In one embodiment of the present invention, the disc is 500 mm away from the lower end of the lifting tube.

[0015] In an embodiment of the present invention, four groups of lifting hooks are provided, and the lifting hooks are arranged at the edges of the long sides of the rectangular frame.

[0016] In one embodiment of the present invention, the universal wheel is a self-locking universal wheel.

[0017] In an embodiment of the present invention, the second through hole is configured as a square hole.

[0018] In one embodiment of the present invention, a limiting sleeve is arranged inside the first through hole, and the outer wall of the lifting tube and the inner wall of the limiting sleeve are slidably fitted.

[0019] In an embodiment of the present application, an adjustable formwork platform for pouring concrete around a well is provided:

[0020] 1. Push the mobile bracket to the top of the well. There is no need to use steel as a support for the suspended well seat. Instead, the well seat is suspended and fixed by a lifting hook. Since universal wheels are set on the mobile bracket, the mobile platform is easy to move, which increases the efficiency of the well seat suspension installation and avoids the risk of steel falling during transportation.

[0021] 2. The lifting hook can be raised and lowered. The gear transmission principle can be used to easily adjust the height of the well seat and ensure high-precision height adjustment.

[0022] 3. There is no need to manually install the well perimeter casting template. You only need to push the umbrella-type adjustable template mechanism to the wellhead position, use the umbrella-type adjustable template lifting mechanism to lower the umbrella-type adjustable template mechanism to the wellhead where the well perimeter concrete needs to be poured, and then use the umbrella-type adjustable template mechanism to expand the template to the well perimeter diameter and fit it to the well wall, thus avoiding the risk of workers and tools falling on the edge and greatly increasing the template installation efficiency;

[0023] 4. The umbrella-type adjustable template mechanism is supported by an umbrella-type casing bracket. The template is evenly stressed and has a high degree of fit with the well wall, which effectively reduces the occurrence of slurry leakage.

[0024] 5. One set of umbrella-type adjustable template mechanism can be applied to the reinforcement of inspection wells of different diameters. There is no need to prepare multiple sets of templates on site. It can basically be applied to all circular well reinforcement operations on urban roads.

[0025] 6. It is easy to combine with other machines to form an assembly line system with a high degree of mechanization and professionalism. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The schematic embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application. In the drawings:

[0027] Figure 1 It is a schematic diagram of a front cross-section of an adjustable formwork platform for pouring concrete around a well provided in accordance with an embodiment of the present application;

[0028] Figure 2 It is a schematic front view of an adjustable formwork platform for pouring concrete around a well provided in accordance with an embodiment of the present application;

[0029] Figure 3 It is a bottom-up schematic diagram of a disc of an adjustable formwork platform for pouring concrete around a well provided in an embodiment of the present application;

[0030] Figure 4 It is a bottom-up schematic diagram of a fixed steel formwork and a movable steel formwork of an adjustable formwork platform for pouring concrete around a well provided in an embodiment of the present application;

[0031] Figure 5 It is a cross-sectional schematic diagram of a lifting hook of an adjustable formwork platform for pouring concrete around a well provided in an embodiment of the present application;

[0032] Figure 6 It is a bottom view schematic diagram of a sliding limit mechanism of an adjustable formwork platform for pouring concrete around a well provided in accordance with an embodiment of the present application;

[0033] Figure 7 It is a schematic top view of the support platform portion of the adjustable formwork platform for pouring concrete around a well provided in accordance with an embodiment of the present application.

[0034] In the figure: 100, mobile bracket; 110, rectangular frame; 120, outrigger; 130, universal wheel; 140, support platform; 150, diagonal brace; 141, first through hole; 142, second through hole; 200, lifting hook; 210, sleeve; 220, hand wheel; 230, first bevel gear; 240, second bevel gear; 250, first threaded rod; 260, threaded sleeve; 270, sliding limit mechanism; 280 , hook body; 300, umbrella-type adjustable template lifting mechanism; 310, winch; 320, lifting pipe; 330, disc; 400, umbrella-type adjustable template mechanism; 410, radius adjustment assembly; 420, umbrella-type sleeve bracket; 430, fixed steel template; 440, movable steel template; 450, slide rail; 271, limit plate; 272, slider; 411, turntable; 412, second threaded rod; 143, limit sleeve. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with 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 of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0036] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0037] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0038] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0039] In addition, the term "plurality" shall mean two or more.

[0040] 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.

[0041] Example 1

[0042] See also Figure 1-7In order to achieve the above-mentioned purpose, the present application provides an adjustable formwork platform for pouring concrete around a well, including a movable bracket 100, a lifting hook 200, an umbrella-type adjustable formwork lifting mechanism 300 and an umbrella-type adjustable formwork mechanism 400, the lifting hook 200 is provided with four groups, the lifting hook 200 is arranged at the edge of the movable bracket 100, the umbrella-type adjustable formwork lifting mechanism 300 slides through the movable bracket 100, and the umbrella-type adjustable formwork mechanism 400 is arranged at the lower end of the umbrella-type adjustable formwork lifting mechanism 300.

[0043] The mobile bracket 100 includes a rectangular frame 110, a leg 120, a universal wheel 130 and a support platform 140. The leg 120 is arranged at the lower side of the rectangular frame 110, and the universal wheel 130 is a self-locking universal wheel. The universal wheel 130 is fixedly connected to the lower end of the leg 120, and the support platform 140 is fixedly connected to the middle of the upper surface of the rectangular frame 110. A first through hole 141 is opened at the center of the support platform 140, and the first through hole 141 is set as a circular hole. A second through hole 142 is opened on the support platform 140 near the first through hole 141; a diagonal brace 150 is fixedly connected to one side of the leg 120, and the upper end of the diagonal brace 150 is fixedly connected to the lower side of the rectangular frame 110.

[0044] A limiting sleeve 143 is disposed inside the first through hole 141, and the outer wall of the lifting tube 320 and the inner wall of the limiting sleeve 143 are slidably fitted. The limiting sleeve 143 can prevent the lifting tube 320 from tilting.

[0045] In one embodiment of the present invention, the mobile bracket 100 is welded from 5mm thick channel steel into a frame with a size of 2000mm in the longitudinal direction, 670mm in the transverse direction, and 800mm in height. Two reinforcing channel steels of the same specification are added in the transverse direction at a position 650mm away from the top surface, and four triangular channel steel diagonal braces are added at the four corners of the longitudinal facade, with the short side of the diagonal brace being 400mm. Universal wheels 130 with a diameter of 150mm are added to the four feet of the mobile bracket 100. A support platform 140 with a thickness of 10mm, a length of 450mm, and a transverse length of 670mm is provided at the center of the top plane of the mobile bracket 100. A first through hole 141 of 85mm is provided in the center of the platform for the lifting pipe 320 to pass through, and a square hole of 50mm*50mm is provided next to the first through hole 141 for the steel wire rope of the winch 310 to pass through.

[0046] The lifting hook 200 includes a sleeve 210, a hand wheel 220, a first bevel gear 230, a second bevel gear 240, a first threaded rod 250, a threaded sleeve 260, a sliding limit mechanism 270 and a hook body 280. The sleeve 210 is fixedly connected to the outer surface of the rectangular frame 110, the hand wheel 220 is fixedly connected to the first bevel gear 230, the first bevel gear 230 and the second bevel gear 240 are meshed, the second bevel gear 240 and the first threaded rod 250 are fixedly connected, the first threaded rod 250 is rotatably connected to the sleeve 210 through a bearing, the threaded sleeve 260 is rotatably sleeved on the outer side of the first threaded rod 250 through a thread, the outer surface of the threaded sleeve 260 is slidably connected to the sleeve 210 through the sliding limit mechanism 270, and the hook body 280 is fixedly connected to the lower end of the threaded sleeve 260;

[0047] The sliding limiting mechanism 270 includes a limiting plate 271 and a sliding block 272. Two limiting plates 271 are provided. The two limiting plates 271 are fixedly connected to the inner wall of the sleeve 210. The two limiting plates 271 are arranged in parallel. The sliding block 272 is fixedly connected to the outer surface of the threaded sleeve 260. The sliding block 272 is slidably arranged between the two groups of limiting plates 271.

[0048] The umbrella-type adjustable template lifting mechanism 300 includes a winch 310, a lifting tube 320 and a disc 330. The winch 310 is fixedly connected to the upper side of the support platform 140 by bolts, the lifting tube 320 passes through the first through hole 141, and the lifting tube 320 and the first through hole 141 are clearance-matched, and the center of the disc 330 is fixedly connected to the outer surface of the lifting tube 320. The pulling rope of the winch 310 passes through the second through hole 142 and is fixedly connected to the disc 330. The specific connection method is that a fixing ring is provided on the upper surface of the disc 330, and the end of the pulling rope of the winch 310 is fixedly connected to the fixing ring.

[0049] The disc 330 is 500 mm away from the lower end of the lifting tube 320 .

[0050] The umbrella-type adjustable template mechanism 400 includes a radius adjustment component 410, an umbrella-type sleeve bracket 420, a fixed steel template 430, a movable steel template 440 and a slide rail 450. The radius adjustment component 410 is arranged inside the lifting tube 320. The lower side of the radius adjustment component 410 is rotatably connected to the umbrella-type sleeve bracket 420. The movable steel template 440 and the fixed steel template 430 are both arc-shaped plates. The inner wall of the movable steel template 440 is rotatably pin-connected to the umbrella-type sleeve bracket 420. One side of the fixed steel template 430 is fixedly connected to one side of the movable steel template 440 by bolts, and the other side of the fixed steel template 430 is fitted with the movable steel template 440. The slide rail 450 is arranged on the lower surface of the disc 330. The slide rail 450 is specifically a guide rail and a pulley. The pulley and the guide rail are slidably connected. The pulley is the sliding end of the slide rail 450, and the sliding end of the slide rail 450 is connected to the upper side of the movable steel template 440. A reinforcing rib is fixedly connected to one side of the movable steel template 440 for reinforcing the movable steel template 440 .

[0051] The radius adjustment assembly 410 includes a rotating disk 411 and a second threaded rod 412, the second threaded rod 412 is fixedly connected to the rotating disk 411, and the second threaded rod 412 is threadedly connected to the inner ring of the sleeve of the umbrella sleeve bracket 420. Six fixed steel templates 430, six movable steel templates 440 and six slide rails 450 are provided.

[0052] Rotating the turntable 411 drives the second threaded rod 412 to rotate, and the second threaded rod 412 drives the umbrella-type casing bracket 420 to expand or contract, so as to achieve the purpose of moving the movable steel template 440. After the movement stops, the fixed steel template 430 and the movable steel template 440 form a closed circular steel template, which can be suitable for a universal template for inspection wells with a diameter of 50cm-82cm.

[0053] Working principle: When in use, push the mobile bracket 100 above the well, and do not need to use steel as a support for suspending the well seat. Instead, the well seat is suspended and fixed by the lifting hook 200. Since the universal wheel 130 is provided on the mobile bracket 100, the mobile bracket 100 is easy to move, which increases the efficiency of the well seat suspension installation and avoids the risk of steel falling during movement. The lifting hook 200 can be lifted up and down, and the gear transmission principle can be used to easily adjust the height of the well seat, and can ensure a high-precision height adjustment. There is no need to manually install the well perimeter casting formwork. It is only necessary to push the umbrella-type adjustable formwork mechanism 400 to the wellhead position, use the umbrella-type adjustable formwork lifting mechanism 300 to lower the umbrella-type adjustable formwork mechanism 400 to the wellhead where the well perimeter concrete needs to be poured, and then use the umbrella-type adjustable formwork mechanism 400 to expand the formwork to the well perimeter diameter and fit the well wall, thereby avoiding the risk of workers and tools falling at the edge and greatly increasing the formwork installation efficiency. The umbrella-type adjustable formwork mechanism 400 is supported by the umbrella-type casing bracket 420, the formwork is evenly stressed, and has a high degree of fit with the well wall, effectively reducing the occurrence of slurry leakage. A set of umbrella-type adjustable formwork mechanism 400 can be used for inspection well reinforcement operations with a diameter of 50cm-82cm. There is no need to prepare multiple sets of formwork on site, and it can basically be used for all circular well perimeter reinforcement operations on urban roads. It is easy to be combined with other machinery to form a highly mechanized and professional flow operation system.

[0054] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable formwork platform for pouring concrete around a well, characterized in that: include A mobile bracket, the mobile bracket comprising a rectangular frame, legs, universal wheels and a support platform, the legs are arranged at the lower side of the rectangular frame, the universal wheels are fixedly connected to the lower ends of the legs, the support platform is fixedly connected to the middle of the upper surface of the rectangular frame, a first through hole is opened at the center of the support platform, the first through hole is set as a circular hole, and a second through hole is opened on the support platform near the first through hole; A lifting hook, the lifting hook comprises a sleeve, a hand wheel, a first bevel gear, a second bevel gear, a first threaded rod, a threaded sleeve, a sliding limit mechanism and a hook body, the sleeve is fixedly connected to the outer surface of the rectangular frame, the hand wheel is fixedly connected to the first bevel gear, the first bevel gear and the second bevel gear are meshed, the second bevel gear and the first threaded rod are fixedly connected, the first threaded rod is rotatably connected to the sleeve through a bearing, the threaded sleeve is rotatably sleeved on the outside of the first threaded rod through a thread, the outer surface of the threaded sleeve is slidably connected to the sleeve through the sliding limit mechanism, and the hook body is fixedly connected to the lower end of the threaded sleeve; An umbrella-type adjustable template lifting mechanism, the umbrella-type adjustable template lifting mechanism comprises a winch, a lifting tube and a disc, the winch is fixedly connected to the upper side of the support platform by bolts, the lifting tube passes through the first through hole, and the lifting tube and the first through hole are gap-matched, the center of the disc is fixedly connected to the outer surface of the lifting tube, and the pulling rope of the winch passes through the second through hole and is fixedly connected to the disc; An umbrella-type adjustable template mechanism, the umbrella-type adjustable template mechanism comprises a radius adjustment component, an umbrella-type casing bracket, a fixed steel template, a movable steel template and a slide rail, the radius adjustment component is arranged inside the lifting tube, the lower side of the radius adjustment component is rotatably connected to the umbrella-type casing bracket, the movable steel template and the fixed steel template are both arc-shaped plates, the inner wall of the movable steel template is rotatably pin-connected to the umbrella-type casing bracket, one side of the fixed steel template is fixedly connected to one side of the movable steel template by bolts, the other side of the fixed steel template is fitted with the movable steel template, the slide rail is arranged on the lower surface of the disc, and the sliding end of the slide rail is connected to the upper side of the movable steel template; The sliding limit mechanism comprises a limit plate and a slider, wherein two limit plates are provided, the two limit plates are fixedly connected to the inner wall of the sleeve, the two limit plates are arranged in parallel, the slider is fixedly connected to the outer surface of the threaded sleeve, and the slider is slidably arranged between the two sets of limit plates; The radius adjustment assembly comprises a rotating disk and a second threaded rod, wherein the second threaded rod is fixedly connected to the rotating disk, and the second threaded rod is threadedly connected to the inner ring of the sleeve of the umbrella-type sleeve support.

2. The adjustable formwork platform for pouring concrete around a well as claimed in claim 1, characterized in that: One side of the supporting leg is fixedly connected with an oblique brace, and the upper end of the oblique brace is fixedly connected to the lower side of the rectangular frame.

3. The adjustable formwork platform for pouring concrete around a well as claimed in claim 1, characterized in that: The number of the fixed steel templates, the movable steel templates and the slide rails are six.

4. The adjustable formwork platform for pouring concrete around a well as claimed in claim 1, characterized in that: The disc is 500 mm away from the lower end of the lifting tube.

5. The adjustable formwork platform for pouring concrete around a well as claimed in claim 1, characterized in that: The lifting hooks are provided in four groups, and the lifting hooks are provided at the edges of the long sides of the rectangular frame.

6. The adjustable formwork platform for pouring concrete around a well as claimed in claim 1, characterized in that: The universal wheel is a self-locking universal wheel.

7. The adjustable formwork platform for pouring concrete around a well as claimed in claim 1, characterized in that: The second through hole is configured as a square hole.

8. The adjustable formwork platform for pouring concrete around a well as claimed in claim 1, characterized in that: A limiting sleeve is arranged inside the first through hole, and the outer wall of the lifting tube and the inner wall of the limiting sleeve are slidably fitted.

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