Finished cement pipe inner supporting lifting and carrying device

Abstract

This utility model discloses a lifting and handling device for finished cement culverts with internal supports, belonging to the field of municipal engineering technology. It includes a support rod base, a lifting rod vertically fixed above the center of the support rod base, inclined inner supports evenly distributed around the circumference of the support rod base, pull rods evenly distributed around the circumference of the lifting rod and correspondingly positioned above the inclined inner supports, and a slider slidably connected to the lifting rod. One end of each inclined inner support is hinged to the support rod base, and one end of each pull rod is hinged to the slider and the other end to the inclined inner supports. The top of the lifting rod is provided with a hook for connecting to a lifting device. Using this internal support lifting and handling device to lift culverts is simple to operate and greatly improves construction efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of municipal engineering technology, specifically relating to a lifting and handling device for cement culverts in municipal engineering. Background Technology

[0002] In municipal engineering construction, cement culverts are made of reinforced concrete and are commonly used as water supply and drainage pipes. A typical cement culvert section weighs approximately 1.25 tons, based on an internal diameter of 1m, a wall thickness of 120mm, and a height of 1.0m. Currently, on construction sites, truck cranes are commonly used for hoisting, secured with cables. This method is prone to slippage, causing safety accidents, and is also inefficient. Utility Model Content

[0003] To address the shortcomings of existing technologies, the present invention aims to provide a lifting and transporting device for finished cement culverts with internal supports. This device is easy to operate, greatly improves construction efficiency, and solves the problems associated with the existing technology of using a truck crane and securing it with cables for lifting.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A lifting and handling device for a finished cement culvert includes a support rod base, a lifting rod vertically fixed above the center of the support rod base, inclined inner supports evenly distributed around the circumference of the support rod base, retracting rods evenly distributed around the circumference of the lifting rod and correspondingly located above the inclined inner supports, and a slider slidably connected to the lifting rod. One end of the inclined inner supports is hinged to the support rod base, one end of the retracting rod is hinged to the slider, and the other end is hinged to the inclined inner supports. The top end of the lifting rod is provided with a hook for connecting to a lifting device.

[0006] Preferably, the support rod base includes a circular galvanized steel plate and a plurality of hinge seats evenly distributed along the circumference of the galvanized steel plate.

[0007] Preferably, the hinge seat includes two hinge lugs welded side by side to a galvanized steel plate, one end of the inclined inner support rod is vertically connected to a hinge screw, and both ends of the hinge screw pass through through holes in the hinge lugs and are connected to nuts.

[0008] Preferably, the lower end of the lifting rod is welded to the base of the load-bearing support rod, and the upper end is bent to form a hook.

[0009] Preferably, the lifting rod is made of bent round steel.

[0010] Preferably, the slider includes a sleeve made of steel pipe and a plurality of hinge seats evenly distributed along the circumference of the sleeve.

[0011] Preferably, the hinge seat includes two hinge lugs welded side by side to the sleeve, one end of the pull rod is vertically connected to a hinge screw, and both ends of the hinge screw pass through through holes on the hinge lugs and are connected to nuts.

[0012] Preferably, the middle part of the inclined inner support rod is provided with a hinge seat, the hinge seat includes a sleeve nested and fixed to the outside of the inclined inner support rod, and two hinge ear plates welded side by side to the sleeve. The other end of the pull rod is vertically connected to a hinge screw rod, and the two ends of the hinge screw rod pass through the through holes on the hinge ear plates and are connected to nuts.

[0013] Preferably, the inclined inner strut and the pull rod are made of round steel.

[0014] Preferably, one end of the inclined inner support rod is provided with a flat hinge portion, and both ends of the pull rod are provided with flat hinge portions.

[0015] The present invention adopts the above technical solution and has the following beneficial effects:

[0016] The lifting and transporting device of this utility model is placed inside a cement culvert. A support rod base is located at the center, and multiple inclined inner support rods are evenly distributed around the circumference of the support rod base. One end of each inclined inner support rod is hinged to the support rod base, allowing it to rotate up and down. The other end of each inclined inner support rod can be supported on the inner wall of cement culverts of different diameters. A lifting rod is vertically fixed above the center of the support rod base. The top of the lifting rod is equipped with a hook for connecting to the lifting device, thereby lifting the lifting and transporting device together with the cement culvert as a whole. A slider is slidably connected to the lifting rod. One end of the retracting rod is hinged to the slider, and the other end is hinged to the inclined inner support rod. Therefore, during lifting, the other end of the inclined inner support rod supports the inner wall of the cement culvert, fixing the device to the cement culvert. This allows a mobile crane to lift the culvert, making transport convenient. When the device is lifted to the construction site, the mobile crane can be lowered, and the device can be retracted for the next lifting operation.

[0017] These features and advantages of the present invention will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0018] The utility model will be further described below with reference to the accompanying drawings:

[0019] Figure 1 This is a diagram illustrating the usage state of a finished cement culvert internal support lifting and handling device according to this utility model.

[0020] Figure 2 This is a partial structural diagram of a finished cement culvert internal support lifting and handling device according to the present invention;

[0021] Figure 3This is a partial structural diagram of a finished cement culvert internal support lifting and handling device according to the present invention;

[0022] Figure 4 This is a partial structural diagram of a finished cement culvert internal support lifting and handling device according to the present invention;

[0023] Figure 5 This is a partial structural diagram of a finished cement culvert internal support lifting and handling device according to the present invention;

[0024] Reference numerals: Lifting and handling device 100, load-bearing support base 11, first hinge seat 111, lifting rod 12, hook 121, inclined inner support rod 13, pull rod 14, slider 15, second hinge seat 151, third hinge seat 16, cement culvert 200. Detailed Implementation

[0025] The technical solutions of the present utility model will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of the present utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present utility model.

[0026] Those skilled in the art will understand that, without conflict, the features in the following embodiments and implementations can be combined with each other.

[0027] The terminology used in this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. For example, terms such as "upper," "lower," "inner," and "outer," which indicate orientation or positional relationship, are based solely on the orientation or positional relationship shown in the accompanying drawings and are used only for the convenience of describing the invention and simplifying the description. They do not indicate or imply that the device / component referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention.

[0028] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0029] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features.

[0030] To simplify the hoisting and handling of cement culverts, improve efficiency, and reduce safety accidents. For example... Figures 1 to 5 As shown, this embodiment provides a finished cement culvert inner support lifting and handling device 100 for lifting cement culvert 200. It includes a support rod base 11, a lifting rod 12 vertically fixed above the center of the support rod base, inclined inner support rods 13 evenly distributed around the circumference of the support rod base, a pull rod 14 evenly distributed around the circumference of the lifting rod and correspondingly arranged above the inclined inner support rods, and a slider 15 slidably connected to the lifting rod. One end of the inclined inner support rod 13 is hinged to the support rod base 11, one end of the pull rod 14 is hinged to the slider 15, and the other end is hinged to the inclined inner support rod 13. The top end of the lifting rod 12 is provided with a hook 121 for connecting to the lifting device.

[0031] Understandably, a truck crane can be used as the lifting device.

[0032] The lifting and transporting device of this utility model is placed inside a cement culvert. A support rod base is located at the center, and multiple inclined inner support rods are evenly distributed around the circumference of the support rod base. One end of each inclined inner support rod is hinged to the support rod base, allowing it to rotate up and down. The other end of each inclined inner support rod can be supported on the inner wall of cement culverts of different diameters. A lifting rod is vertically fixed above the center of the support rod base. The top of the lifting rod is equipped with a hook for connecting to the lifting device, thereby lifting the lifting and transporting device together with the cement culvert as a whole. A slider is slidably connected to the lifting rod. One end of the retracting rod is hinged to the slider, and the other end is hinged to the inclined inner support rod. Therefore, during lifting, the other end of the inclined inner support rod supports the inner wall of the cement culvert, fixing the device to the cement culvert. This allows a mobile crane to lift the culvert, making transport convenient. When the device is lifted to the construction site, the mobile crane can be lowered, and the device can be retracted for the next lifting operation.

[0033] In some embodiments, the load-bearing support base 11 includes a circular galvanized steel plate and a plurality of hinge seats evenly distributed along the circumference of the galvanized steel plate, namely the first hinge seat 111. The first hinge seat 111 includes two hinge lugs welded side by side to the galvanized steel plate. One end of the inclined inner support rod 13 is vertically connected to a hinge screw. Both ends of the hinge screw pass through through holes in the hinge lugs and are connected to nuts, or hinge screws are used, with one end having a screw head and only the other end needing to be connected to a nut.

[0034] In some embodiments, the lifting rod 12 is made of bent round steel, with its lower end welded to the base of the load-bearing support rod and its upper end bent to form a hook 121. Round steel is a common building material, and welding and bending are conventional processes, which are convenient to process and can reduce costs.

[0035] In some embodiments, the slider 15 includes a sleeve made of steel pipe and a plurality of hinge seats evenly distributed along the circumference of the sleeve, namely second hinge seats 151. The second hinge seat 151 includes two hinge lugs welded side-by-side to the sleeve. One end of the pull rod is vertically connected to a hinge screw, and both ends of the hinge screw pass through through holes in the hinge lugs and are connected to nuts. The sleeve in the slider 15 can be movably nested outside the lifting rod 12 and slide up and down, thereby allowing the inclined inner support rod 13 and the pull rod 14 to rotate, so that the other end of the inclined inner support rod can be supported on the inner wall of the cement culvert pipe.

[0036] In some embodiments, the middle part of the inclined inner support rod 13 is provided with a hinge seat, namely a third hinge seat 16. The third hinge seat 16 includes a sleeve nested and fixed to the outside of the inclined inner support rod, and two hinge ear plates welded side by side to the sleeve. The other end of the pull rod is vertically connected to a hinge screw. The two ends of the hinge screw pass through the through holes on the hinge ear plates and are connected to nuts.

[0037] In some embodiments, the inclined inner support rod 13 and the pull rod 14 are made of round steel. One end of the inclined inner support rod has a flat hinge portion, and both ends of the pull rod have flat hinge portions. This facilitates insertion into the hinge seat for hinged installation.

[0038] In some embodiments, the other end of the inclined inner strut is provided with a friction pad. For example, a fixed channel steel is welded to the other end of the inclined inner strut, and a friction pad is fixed inside the fixed channel steel. The friction pad is made of a material with high friction, such as rubber, so that it has a large friction force when supported on the inner wall of the cement culvert.

[0039] This implementation method uses 1m of internal diameter cement culvert pipe as the material: for example, 3 pipes. One 500mm long round steel bar is used to fabricate a diagonal internal strut. Three round steel bars, each 1500mm long, are bent at one end and welded to the base of the load-bearing strut. The pull rod is made from 300mm long round steel. Finally, the load-bearing support base, the inclined inner support, and the pull rod are assembled together using the first hinge seat, the second hinge seat, the third hinge seat, and the slider.

[0040] The above description is merely a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. Those skilled in the art should understand that the utility model includes, but is not limited to, the content described in the accompanying drawings and the specific embodiments above. Any modifications that do not depart from the functional and structural principles of the utility model will be included within the scope of the claims.

Claims

1. A lifting and transporting device for finished cement culverts with internal supports, characterized in that, The device includes a support rod base, a lifting rod vertically fixed above the center of the support rod base, inclined inner support rods evenly distributed around the circumference of the support rod base, a retracting rod evenly distributed around the circumference of the lifting rod and correspondingly located above the inclined inner support rods, and a slider slidably connected to the lifting rod. One end of the inclined inner support rod is hinged to the support rod base, one end of the retracting rod is hinged to the slider, and the other end is hinged to the inclined inner support rod. The top of the lifting rod is provided with a hook for connecting to a lifting device.

2. The finished cement culvert internal support lifting and handling device according to claim 1, characterized in that, The support rod base includes a circular galvanized steel plate and multiple hinge seats evenly distributed along the circumference of the galvanized steel plate.

3. The finished cement culvert internal support lifting and handling device according to claim 2, characterized in that, The hinge seat includes two hinge lugs welded side by side to a galvanized steel plate. One end of the inclined inner support rod is vertically connected to a hinge screw. Both ends of the hinge screw pass through through holes in the hinge lugs and are connected to nuts.

4. The finished cement culvert internal support lifting and handling device according to claim 1, characterized in that, The lower end of the lifting rod is welded to the base of the load-bearing support rod, and the upper end is bent to form a hook.

5. The finished cement culvert internal support lifting and handling device according to claim 4, characterized in that, The lifting rod is made of bent round steel.

6. The finished cement culvert internal support lifting and handling device according to claim 1, characterized in that, The slider includes a sleeve made of steel pipe and a plurality of hinge seats evenly distributed along the circumference of the sleeve.

7. The finished cement culvert internal support lifting and handling device according to claim 6, characterized in that, The hinge seat includes two hinge lugs welded side by side to the sleeve. One end of the pull rod is vertically connected to a hinge screw. Both ends of the hinge screw pass through through holes in the hinge lugs and are connected to nuts.

8. The finished cement culvert internal support lifting and handling device according to claim 1, characterized in that, The middle part of the inclined inner support rod is provided with a hinge seat. The hinge seat includes a sleeve nested and fixed to the outside of the inclined inner support rod, and two hinge ear plates welded side by side to the sleeve. The other end of the pull rod is vertically connected to a hinge screw. The two ends of the hinge screw pass through the through holes on the hinge ear plates and are connected to nuts.

9. A finished cement culvert internal support lifting and handling device according to claim 1, characterized in that, The inclined inner strut and the pull rod are made of round steel.

10. A finished cement culvert internal support lifting and handling device according to claim 8, characterized in that, One end of the inclined inner support rod is provided with a flat hinge, and both ends of the pull rod are provided with flat hinges.

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