Climbing frame lifting device

Abstract

The utility model relates to the technical field of climbing frames, and discloses a climbing frame lifting device which comprises a connecting plate and a guide rail, a supporting plate is fixed to one side of the connecting plate, guide grooves are formed in the two sides of the guide rail, wheel carriers are arranged on the two sides of the supporting plate, guide wheels are arranged on one sides of the wheel carriers, and the outer walls of the guide wheels make contact with the inner walls of the guide grooves. Impurities can be blocked by the V-shaped baffles and the trapezoidal scrapers and are prevented from directly falling on the guide wheels, and the other part of the sundries influencing rolling and guiding of the guide wheels can be blocked by the V-shaped baffles and the trapezoidal scrapers before the climbing frame ascends and descends by driving the two-way lead screws to rotate through the lead screw driving motor. The rotating motion of the lead screw is converted into linear motion through the lead screw nut, so that the trapezoidal scraper is driven to ascend and descend, the guide face of the guide groove of the guide wheel is scraped thoroughly, stability of the guide wheel during guiding is guaranteed, and stability and smoothness of operation of the whole climbing frame lifting device are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a climbing frame technology field, concretely is a climbing frame lifting device. BACKGROUND

[0002] Climbing frame, also known as climbing scaffold or self-lifting scaffold, is a special type of scaffold used in high-rise building construction. It can climb with the increase of building and does not need to be built and disassembled like traditional scaffold. The lifting mechanism of electric climbing frame is one of its key components, which is responsible for the lifting and lowering of the whole scaffold system. The common climbing frame lifting mechanism is driven by electric hoist to pull the climbing frame through chain or steel wire rope, and the guide seat and guide rail ensure the stability during lifting.

[0003] For example, the existing Chinese patent (CN214220555U) discloses a climbing frame lifting device, which comprises vertical plates and protective covers. The number of vertical plates is two groups, and the two groups of vertical plates are fixedly connected through horizontal bars. The outer walls of the two groups of vertical plates are respectively connected with the two end faces of the protective covers. The side walls of the two groups of vertical plates are fixedly installed with fixed plates. The top of the fixed plate is fixedly installed with a motor. The outer end of the transmission shaft of the motor is fixedly connected with a winding disc. The outer wall of the winding disc is fixedly connected with a steel wire rope. The top of the vertical plate is fixedly installed with a guide wheel. The outer end of the steel wire rope is wound on the outer wall of the guide wheel. The bottom of the horizontal bar is fixedly installed with a double-way switch.

[0004] The guide seats and guide rails of the climbing frame are exposed. When pouring concrete, it is inevitable that concrete will splash and scatter. After the concrete adheres to the guide rail, it will cause the guide rail to move less smoothly on the guide seat during the climbing frame lifting process. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a climbing frame lifting device to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a climbing frame lifting device, include: connecting plate and guide rail, one side of connecting plate is equipped with support plate, both sides of guide rail are equipped with guide groove, both sides of support plate are equipped with wheel support, one side of wheel support is equipped with guide wheel, the outer wall of guide wheel is in contact with the inner wall of guide groove, one side of wheel support is equipped with V type baffle outside guide wheel, the two inclined surfaces of V type baffle are located on the upper and lower sides of guide wheel respectively, one side of the outer wall of wheel support is equipped with protective shell, the both ends of protective shell are equipped with two -way screw rod, the outer side of two -way screw rod is equipped with screw rod nut, one side of the outer wall of screw rod nut is equipped with trapezoidal doctor knife, both sides of trapezoidal doctor knife are in abutment with the inner wall of guide groove, the top of protective shell is equipped with screw rod drive motor, one end of screw rod drive motor output shaft is fixedly connected with one end of two -way screw rod.

[0007] Further, the thread directions of the two ends of the two-way screw rod are opposite, a bearing seat is arranged in the center of the two-way screw rod inside the protective shell, and screw rod nuts matched with the thread directions are arranged at the two ends of the two-way screw rod.

[0008] Further, a strip-shaped groove for lifting the screw rod nut is formed in one side of the protective shell.

[0009] Further, the trapezoidal doctor knife is in the shape of an isosceles trapezoid with one end wide and the other end narrow, the end connected with the screw rod nut of the trapezoidal doctor knife is the narrow end, and the wide end of the trapezoidal doctor knife is an opening.

[0010] Further, a top rod is rotatably arranged on the top of the support plate, a plurality of stop rods are arranged on one side of the guide rail, the stop rods are equidistantly arranged on the guide rail, and the top rod is in abutment with one of the stop rods.

[0011] Further, the connecting plate is fixed to the building, and one side of the guide rail is fixed to the climbing frame.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The connecting plate, the guide rail and the trapezoidal doctor knife are arranged, the support plate and the components are fixed to the building through the connecting plate when the climbing frame lifting device is used, the top of the building is fixed with an electric hoist, the electric hoist drives the climbing frame to ascend and descend through a driving chain, and the guide rail fixed to the climbing frame cooperates with the guide wheel to guide when the climbing frame ascends and descends.

[0014] Some cement and other sundries will be attached to the guide groove of the guide rail during the use of the climbing frame, at this time, a part of the sundries will be blocked by the V-shaped baffle and the trapezoidal scraper to avoid falling directly on the guide wheel, and the other part of the sundries affecting the rolling and guiding of the guide wheel will be scraped clean by the trapezoidal scraper through the rotation of the bidirectional screw rod driven by the screw rod driving motor and the linear motion of the screw rod nut, so that the stability of the guide wheel during guiding is ensured, and the smooth operation of the climbing frame lifting device is ensured.

[0015] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the climbing frame lifting device of the utility model;

[0017] Figure 2 It is a structural schematic view of the climbing frame lifting device of the utility model;

[0018] Figure 3 It is a structural schematic view of the climbing frame lifting device of the utility model;

[0019] Figure 4 It is a structural schematic view of the climbing frame lifting device of the utility model.

[0020] In the figure: 1, connecting plate; 2, support plate; 3, guide rail; 4, guide groove; 5, baffle rod; 6, protective shell; 7, screw rod driving motor; 8, wheel frame; 9, guide wheel; 10, V-shaped baffle; 11, trapezoidal scraper; 12, jacking rod; 13, bidirectional screw rod; 14, screw rod nut. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments.

[0022] Please refer to Figures 1-4 The utility model provides a technical scheme: a climbing frame lifting device, which comprises: a connecting plate 1 and a guide rail 3, the connecting plate 1 is fixed with a support plate 2 on one side, the guide rail 3 is provided with a guide groove 4 on both sides, the support plate 2 is provided with a wheel frame 8 on both sides, the wheel frame 8 is provided with a guide wheel 9 on one side, the outer wall of the guide wheel 9 is in contact with the inner wall of the guide groove 4, and the V-shaped baffle 10 is arranged on the outer side of the guide wheel 9 on one side of the wheel frame 8, some cement and other sundries will be attached to the guide groove 4 of the guide rail 3 during the use of the climbing frame, at this time, a part of the sundries will be blocked by the V-shaped baffle 10 and the trapezoidal scraper 11 to avoid falling directly on the guide wheel 9.

[0023] Two inclined surfaces of the V-shaped baffle 10 are respectively located on the upper and lower sides of the guide wheel 9, the outer wall of the wheel frame 8 is provided with a protective shell 6, a bidirectional screw rod 13 is arranged between the upper and lower ends of the protective shell 6, a screw nut 14 is arranged on the outer side of the bidirectional screw rod 13, a trapezoidal scraper 11 is arranged on one side of the outer wall of the screw nut 14, the trapezoidal scraper 11 is in abutment with the inner walls on both sides of the guide groove 4, the top end of the protective shell 6 is fixedly connected with a screw rod driving motor 7, and one end of the output shaft of the screw rod driving motor 7 is fixedly connected with one end of the bidirectional screw rod 13. A part of the sundries affecting the rolling guidance of the guide wheel 9 is scraped clean before the climbing frame is lifted, the trapezoidal scraper 11 is lifted by the bidirectional screw rod 13 driven by the screw rod driving motor 7, the rotational motion of the screw rod is converted into linear motion by the screw nut 14, so that the trapezoidal scraper 11 is lifted, the guide surface of the guide groove 4 of the guide wheel 9 is scraped clean, the stability of the guide wheel 9 during guidance is ensured, and the smooth operation of the whole climbing frame lifting device is ensured.

[0024] The threads on both ends of the bidirectional screw rod 13 are opposite in direction, a bearing seat is arranged in the center of the bidirectional screw rod 13 in the protective shell 6, and screw nuts 14 matched with the thread directions are arranged at both ends of the bidirectional screw rod 13. The bidirectional screw rod 13 is arranged, so that when the bidirectional screw rod 13 rotates, the screw nuts 14 at both ends are simultaneously close to or away from each other, and the guide surfaces of the guide grooves 4 on the upper and lower sides of the guide wheel 9 are cleaned.

[0025] A strip-shaped groove for lifting the screw nut 14 is formed in one side of the protective shell 6, and the screw nut 14 is movable.

[0026] The trapezoidal scraper 11 is in the shape of an isosceles trapezoid with one end wide and the other end narrow, the end of the trapezoidal scraper 11 connected with the screw nut 14 is the narrow end, and the wide end of the trapezoidal scraper 11 is an opening. The trapezoidal scraper 11 is open at the top, which can block sundries from entering the guide wheel 9.

[0027] The support plate 2 is rotatably provided with a top rod 12, and the guide rail 3 is provided with a plurality of stop rods 5, the plurality of stop rods 5 are arranged at equal distances on the guide rail 3, and the top end of the top rod 12 is in abutment with one of the stop rods 5. Through the abutment of the top rod 12 and the stop rod 5, the climbing frame can be limited by the stop rod 5 and the top rod 12 after being lifted to a suitable height, so as to avoid falling.

[0028] The connecting plate 1 is fixed to the building, and the guide rail 3 is fixed to the climbing frame. When the climbing frame lifting device is used, the support plate 2 and its components are fixed to the building through the connecting plate 1, the top of the building is fixed with an electric hoist, the electric hoist drives the climbing frame to lift through a driving chain, and the guide rail 3 fixed to the climbing frame cooperates with the guide wheel 9 to guide during the lifting of the climbing frame.

[0029] During the use of the climbing frame, some cement and other sundries will be attached to the guide groove 4 of the guide rail 3, at this time, a part of the sundries will be blocked by the V-shaped baffle 10 and the trapezoidal scraper 11, so as to avoid directly falling on the guide wheel 9, and the other part of the sundries affecting the rolling guide of the guide wheel 9 will be scraped clean by the trapezoidal scraper 11 through the rotation of the bidirectional screw rod 13 driven by the screw rod driving motor 7 and the linear motion of the screw rod nut 14, so as to ensure the stability of the guide wheel 9 during the guide and ensure the smooth operation of the whole climbing frame lifting device.

[0030] Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

Claims

1. A climbing frame lifting device comprising: The utility model provides a connecting plate (1) and guide rail (3), its characterized in be: connecting plate (1) one side is fixed with support plate (2), and guide rail (3) both sides are equipped with guide groove (4), and support plate (2) both sides are equipped with wheel frame (8), and wheel frame (8) one side is equipped with guide wheel (9), and the outer wall of guide wheel (9) is in contact with the inner wall of guide groove (4), and the one side of wheel frame (8) is located the outside of guide wheel (9) and is equipped with V type baffle (10), and the two inclined planes of V type baffle (10) are located the upper and lower sides of guide wheel (9) respectively, and the outer wall one side of wheel frame (8) is equipped with protective shell (6), and the both ends between protective shell (6) are equipped with bidirectional screw rod (13), and the outer side of bidirectional screw rod (13) is equipped with screw rod nut (14), and the outer wall one side of screw rod nut (14) is equipped with trapezoidal doctor blade (11), and the both sides of trapezoidal doctor blade (11) are in contact with the both sides inner wall of guide groove (4), and the top of protective shell (6) is fixed with screw rod drive motor (7), and the output shaft one end of screw rod drive motor (7) is fixedly connected with bidirectional screw rod (13) one end.

2. The climbing frame lifting device according to claim 1, characterized in that: The thread directions of the two ends of the bidirectional screw rod (13) are opposite, a bearing seat is arranged in the center of the bidirectional screw rod (13) in the protective shell (6), and screw rod nuts (14) matched with the thread directions are arranged at the two ends of the bidirectional screw rod (13).

3. A climbing frame lifting device according to claim 2, wherein: A strip-shaped groove is formed in one side of the protective shell (6) for lifting the screw rod nut (14).

4. The climbing frame lifting device according to claim 1, characterized in that: The trapezoidal doctor blade (11) is in the shape of an isosceles trapezoid with one end wider and the other end narrower, the end connected with the screw rod nut (14) is the narrower end, and the wider end is an opening.

5. The climbing frame lifting device according to claim 1, characterized in that: A top rod (12) is rotatably arranged on the top of the support plate (2), a plurality of stop rods (5) are arranged on one side of the guide rail (3), the stop rods (5) are equidistantly arranged on the guide rail (3), and the top end of the top rod (12) is in contact with one of the stop rods (5).

6. The climbing frame lifting device according to claim 1, characterized in that: The connecting plate (1) is fixed to a building, and one side of the guide rail (3) is fixed to a climbing frame.

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