Small hoisting device

Abstract

The utility model discloses a small hoisting device which is used for hoisting plates. Comprising a base, idler wheels are arranged below the base, and a winch and a supporting frame are arranged above the base; the top face of the supporting frame is an inclined face, and the inclined face gradually inclines upwards from front to back. The supporting frame comprises a support unit and a transverse connecting rod. The two supporting units are located on the left side and the right side of the base correspondingly. The transverse connecting rod is connected between the two bracket units; a first pulley is arranged in the middle of the top of the inclined plane of the supporting frame, a lifting rope is wound on the winch, the free end of the lifting rope winds around the first pulley and is fixed to a to-be-lifted plate, and the lifting rope lifts the to-be-lifted plate to the inclined plane of the supporting frame and is pulled along the inclined plane; a supporting rod is obliquely arranged at the top of the base, and the end of the supporting rod extends out of the front side face of the supporting frame and is connected to the bottom of a to-be-hoisted plate in a supported mode so that the hoisting problem of the preset plate can be solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting devices, and in particular relates to a small lifting device. Background Art

[0002] With the acceleration of modernization and the development of urban construction, prefabricated components are increasingly used in engineering construction, such as prefabricated concrete panels for river bank protection, prefabricated concrete panels for assembled houses, etc. At present, the transportation of small and medium-sized prefabricated panels is basically carried out by pre-embedded lifting ears or punching holes in the panels, or by manual transportation. Pre-embedded lifting ears and punching holes will increase the processing procedures of prefabricated component panels, and the lifting ears and punching holes will be damaged during the lifting process, which will need to be repaired later. In addition, manual transportation will cause low efficiency and also pose safety hazards. Utility Model Content

[0003] The utility model provides a small lifting device, which aims to solve the problem of lifting pre-set plates.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a small lifting device for lifting plates; it includes a base, a roller is arranged under the base, and a winch and a support frame are arranged above the base; the top surface of the support frame is an inclined surface, which gradually inclines upward from front to back; the support frame includes a bracket unit and a transverse connecting rod; there are two bracket units, which are respectively located on the left and right sides of the base; the transverse connecting rod is connected between the two bracket units; a first pulley is arranged in the middle of the top of the inclined surface of the support frame, the winch is installed on the base, close to the rear side position, a lifting rope is wound around the winch, the free end of the lifting rope is passed around the first pulley and fixed to the plate to be lifted, the lifting rope lifts the plate to be lifted onto the inclined surface of the support frame, and is pulled along the inclined surface; a support rod is obliquely arranged on the top of the base, and the end of the support rod extends out of the front side surface of the support frame and is supported on the bottom of the plate to be lifted.

[0005] Furthermore, the bracket unit includes a long vertical rod, a short vertical rod and an oblique rod; the long vertical rod is arranged on the rear side of the base, and the short vertical rod is arranged on the front side of the base; the oblique rod is obliquely connected between the top of the long vertical rod and the short vertical rod; there is a group of transverse connecting rods, which are connected at intervals between the two bracket units.

[0006] Furthermore, a supporting plate located at the bottom of the plate to be lifted is provided at the end of the support rod; the supporting plate is L-shaped, the vertical side of the supporting plate is fixed to the end of the support rod, and the horizontal side of the supporting plate is used to support the plate to be lifted.

[0007] Furthermore, a positioning bracket is provided in the middle of the base, and the positioning bracket includes a fixing frame and a screw rod. The fixing frame is in a "+" shape, and the vertical rods at the left and right ends of the fixing frame are arranged beyond the edge of the base. The screw rod is arranged in the middle of the fixing frame, and the screw rod and the fixing frame are threadedly connected; a bearing is provided on the base at a position corresponding to the screw rod, and the bottom of the screw rod is rotatably connected to the bearing on the base.

[0008] Furthermore, a second pulley is arranged on the rear side of the support frame, below the first pulley, and a longitudinal connecting rod is arranged at the lower part of the support frame, above the transverse connecting rod, and the second pulley is located at the end of the longitudinal connecting rod; the lifting rope is passed around the second pulley and the first pulley in sequence.

[0009] Furthermore, an oblique brace is provided on the vertical rod supporting the first pulley.

[0010] Furthermore, the support rod is a telescopic rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model uses a winch to lift the plate onto the inclined surface of the support frame and fix it, which is convenient for the transportation of the plate, and a support rod is arranged under the plate to fix the plate to avoid the shaking of the plate during transportation, and the structure is simple; a positioning bracket for fixing the roller is also arranged on the base, and the fixing frame is moved vertically by rotating the screw rod, so that the vertical rods on the left and right sides of the fixing frame are in contact with the ground, thereby increasing the contact area with the ground, thereby fixing the structure to the ground, and the fixing frame can be fixed to the ground by bolts when necessary. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a side structural schematic diagram of the utility model.

[0014] Description of the drawings: 1. Base; 2. Roller; 3. Winch; 4. Lifting rope; 5. Support frame; 5.1. Long vertical rod; 5.1. Short vertical rod; 5.3. Diagonal rod; 5.4. Horizontal connecting rod; 5.5. Longitudinal connecting rod; 6. First pulley; 7. Support rod; 8. Support plate; 9. Positioning bracket; 9.1. Fixed frame; 9.2. Screw; 10. Second pulley; 11. Diagonal brace. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings of the specification to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing this patent and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0017] In conjunction with the accompanying drawings, the utility model is a small lifting device for lifting plates; it includes a base 1, a roller 2 is arranged below the base 1, a winch 3 and a support frame 5 are arranged above the base 1; the top surface of the support frame 5 is an inclined surface, which gradually inclines upward from front to back; the support frame 5 includes a bracket unit and a transverse connecting rod 5.4; there are two bracket units, which are respectively located on the left and right sides of the base 1; the transverse connecting rod 5.4 is connected between the two bracket units; the middle of the top of the inclined surface of the support frame 5 is arranged There is a first pulley 6, and the winch 3 is installed on the base 1, near the rear side position. A lifting rope 4 is wound around the winch 3. The free end of the lifting rope 4 is passed around the first pulley 6 and fixed to the plate to be lifted. The lifting rope 4 lifts the plate to be lifted onto the inclined surface of the support frame 5 and pulls it along the inclined surface; a support rod 7 is obliquely arranged on the top of the base 1, and the end of the support rod 7 extends out of the front side of the support frame 5, and the end of the support rod 7 and the inclined surface are in the same plane, and the end of the support rod 7 is supported on the bottom of the plate to be lifted.

[0018] The bracket unit includes a long vertical rod 5.1, a short vertical rod 5.1 and an inclined rod 5.3; the long vertical rod 5.1 is arranged on the rear side of the base 1, and the short vertical rod 5.1 is arranged on the front side of the base 1; the inclined rod 5.3 is obliquely connected between the top of the long vertical rod 5.1 and the short vertical rod 5.1; there is a group of transverse connecting rods 5.4, which are connected at intervals between the two bracket units.

[0019] The end of the support rod 7 is provided with a supporting plate 8 located at the bottom of the plate to be lifted; the supporting plate 8 is L-shaped, the vertical side of the supporting plate 8 is fixed to the end of the support rod 7, and the horizontal side of the supporting plate 8 is used to support the plate to be lifted.

[0020] A positioning bracket 9 is arranged in the middle of the base 1, and the positioning bracket 9 includes a fixing frame 9.1 and a screw rod 9.2. The fixing frame 9.1 is in a "F" shape, and the vertical rods at the left and right ends of the fixing frame 9.1 are arranged beyond the edge of the base 1. The screw rod 9.2 is arranged in the middle of the fixing frame 9.1, and the screw rod 9.2 is threadedly connected to the fixing frame 9.1; a bearing is arranged on the base 1 at a position corresponding to the screw rod 9.2, and the bottom of the screw rod 9.2 is rotatably connected to the bearing on the base 1.

[0021] A second pulley 10 is provided at the rear side of the support frame 5 and below the first pulley 6. A longitudinal connecting rod 5.5 is provided at the lower part of the support frame 5 and above the transverse connecting rod 5.4. The second pulley 10 is located at the end of the longitudinal connecting rod 5.5. The suspension rope 4 passes around the second pulley 10 and the first pulley 6 in sequence. The longitudinal connecting rod 5.5 is retractable, and the position of the second pulley 10 located at the end of the longitudinal connecting rod 5.5 can be controlled by adjusting the length of the longitudinal connecting rod 5.5 beyond the support frame 5.

[0022] A diagonal brace 11 is provided on the vertical rod supporting the first pulley 6, including a first diagonal brace and a second diagonal brace located on the transverse connecting rod 5.4; there are two first diagonal braces, which are respectively located on both sides of the vertical rod supporting the first pulley 6, and the second diagonal brace is connected between the transverse connecting rod located in front of the first pulley 6 and the vertical rod supporting the first pulley. The vertical rod supporting the first pulley is fixed by a triangular support composed of the first diagonal brace and the second diagonal brace, thereby improving the stability of the first pulley 6.

[0023] The support rod 7 is a telescopic rod, and the support rod 7 is fixedly connected to the base 1 .

[0024] In this embodiment, the support rod 7 is hingedly connected to the base 1, and a hydraulic rod is provided on the base 1 in front of the support rod 7. By controlling the height of the hydraulic rod, the inclination angle of the support rod 7 is adjusted to adapt to plates of different lengths.

[0025] When lifting a large plate, a support rod is fixedly provided on the base 1 to support the middle of the plate, and a retractable U-shaped clamp is provided on the top of the support rod to fix the middle of the plate.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A small lifting device for lifting plates; comprising a base (1), a roller (2) is arranged below the base (1), and a winch (3) and a support frame (5) are arranged above the base (1); characterized in that: The top surface of the support frame (5) is an inclined surface, which gradually inclines upward from the front to the back; the support frame (5) includes a bracket unit and a transverse connecting rod (5.4); there are two bracket units, which are respectively located on the left and right sides of the base (1); the transverse connecting rod (5.4) is connected between the two bracket units; a first pulley (6) is arranged in the middle of the top of the inclined surface of the support frame (5); the winch (3) is installed on the base (1) near the rear side position, and a lifting rope (4) is wound around the winch (3), and the free end of the lifting rope (4) is wound around the first pulley (6) and fixed to the plate to be lifted, and the lifting rope (4) lifts the plate to be lifted onto the inclined surface of the support frame (5) and is pulled along the inclined surface; a support rod (7) is arranged obliquely on the top of the base (1), and the end of the support rod (7) extends out of the front side of the support frame (5) and is supported on the bottom of the plate to be lifted.

2. The small lifting device according to claim 1, characterized in that: The bracket unit comprises a long vertical rod (5.1), a short vertical rod (5.2) and an oblique rod (5.3); the long vertical rod (5.1) is arranged on the rear side of the base (1), and the short vertical rod (5.2) is arranged on the front side of the base (1); the oblique rod (5.3) is obliquely connected between the tops of the long vertical rod (5.1) and the short vertical rod (5.2); and a group of transverse connecting rods (5.4) are connected at intervals between the two bracket units.

3. The small lifting device according to claim 1, characterized in that: The end of the support rod (7) is provided with a supporting plate (8) located at the bottom of the plate to be lifted; the supporting plate (8) is L-shaped, the vertical side of the supporting plate (8) is fixed to the end of the support rod (7), and the horizontal side of the supporting plate (8) is used to support the plate to be lifted.

4. The small lifting device according to claim 1, characterized in that: A positioning bracket (9) is arranged in the middle of the base (1), and the positioning bracket (9) comprises a fixing bracket (9.1) and a screw rod (9.2). The fixing bracket (9.1) is in a "J" shape, and the vertical rods at the left and right ends of the fixing bracket (9.1) are arranged beyond the edge of the base (1). The screw rod (9.2) is arranged in the middle of the fixing bracket (9.1), and the screw rod (9.2) and the fixing bracket (9.1) are threadedly connected. A bearing is arranged on the base (1) at a position corresponding to the screw rod (9.2), and the bottom of the screw rod (9.2) is rotatably connected to the bearing on the base (1).

5. The small lifting device according to claim 1, characterized in that: A second pulley (10) is arranged at the rear side of the support frame (5) and below the first pulley (6); a longitudinal connecting rod (5.5) is arranged at the lower part of the support frame (5) and above the transverse connecting rod (5.4); the second pulley (10) is located at the end of the longitudinal connecting rod (5.5); and the suspension rope (4) is passed around the second pulley (10) and the first pulley (6) in sequence.

6. The small lifting device according to claim 1, characterized in that: An oblique support (11) is arranged on the vertical rod supporting the first pulley (6).

7. The small lifting device according to claim 1, characterized in that: The support rod (7) is a telescopic rod.

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