Elevator for constructional engineering

Abstract

Lower stand columns are fixedly installed on the two sides of the top end of a base, the top ends of the two sets of lower stand columns are sleeved with upper stand columns, the top ends of the two sets of upper stand columns are connected with a fixing plate, sliding grooves are formed in one sides of the lower stand columns and one sides of the upper stand columns, the bottom ends of the lower stand columns are slidably connected with a lifting frame, and a notch is formed in the top end of the base; driving motors are installed at the top ends of the lower stand columns, and lifting mechanisms used for driving the upper stand columns to move are installed on one sides of the driving motors. A moving groove is formed in the side, close to the driving motor, of the upper stand column. The lifting mechanism and the driving motor are used in cooperation, so that the device can be flexibly used according to the ground condition, the use requirements of different places are met, and the positive effect of being high in practicability is achieved; after the storage rack is not used, the upper stand column is moved downwards, and the storage plate is folded, so that subsequent transportation is facilitated; by arranging the reinforcing rib frame, the strength and rigidity of the device can be enhanced under the condition that the wall thickness of the device is not increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of hoists, and more specifically, particularly relates to a hoist for construction engineering. Background Art

[0002] In construction projects, hoists are often needed to lift items during the installation process of items at higher locations.

[0003] In the process of lifting objects by the existing hoist, the motor usually drives the steel wire rope on the winding roller to wind up the objects on the lifting arm in coordination with the fixed pulley. However, after long-term use, due to the wear of parts, such as the breakage of the steel wire rope due to long-term wear, the objects will fall along with the lifting arm during the lifting process, resulting in property loss and threatening the life and health of workers. At the same time, most of the existing hoists are integrated structures with long lengths, which makes transportation more troublesome. Therefore, in view of this, the existing structure and defects are studied and improved, and a hoist for construction engineering is provided, in order to achieve the purpose of being more practical. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a hoist for construction engineering, which is achieved by the following specific technical means:

[0005] A hoist for construction engineering comprises a base, lower columns are fixedly installed on both sides of the top of the base, upper columns are mounted on the tops of two groups of the lower columns, and the lower columns and the upper columns are hollow tubes, the tops of the two groups of the upper columns are connected with fixed plates, one side of the lower columns and the upper columns are provided with sliding grooves, the bottom end of the lower column is slidably connected with a lifting frame, the top of the base is provided with a notch, and the lifting frame is arranged corresponding to the notch; a driving motor is installed on the top of the lower column, and a lifting mechanism for driving the upper column to move is installed on one side of the driving motor; the upper column is provided with a moving groove on the side close to the driving motor.

[0006] As a preferred technical solution of the utility model, the lifting mechanism includes a rack fixedly installed inside the upper column, a gear is meshed on one side of the rack, one end center of the gear is fixedly connected to one end of the rotating shaft, one end of the rotating shaft extends through the movable groove to the outside of the top end of the lower column and is transmission-connected to the drive motor.

[0007] As a preferred technical solution of the utility model, the lifting frame includes a vertical plate, one side of the vertical plate is movably connected with two groups of door columns through an axis, one side of the two groups of door columns is hinged with a first connecting rod, the other end of the first connecting rod is hinged with a second connecting rod, the other end of the second connecting rod is hinged with a placement plate, and the front end of the placement plate is provided with a slope surface.

[0008] As a preferred technical solution of the utility model, sliders are fixedly connected to the left and right sides of the vertical plate, and the sliders are slidably connected in the slide grooves of the upper column and the lower column. The other side of the vertical plate is fixedly connected to a linkage frame, and a connecting block protrudes and extends from one side of the linkage frame. The bottom end of the connecting block is fixedly connected to a multi-stage hydraulic cylinder, and the bottom end of the multi-stage hydraulic cylinder is fixedly connected to one side of the base.

[0009] As a preferred technical solution of the utility model, hydraulic support legs are fixedly connected to the four corners of the base.

[0010] As a preferred technical solution of the utility model, a reinforcing rib frame is arranged on the base, and the reinforcing rib frame is arranged between the base and the lower column.

[0011] As a preferred technical solution of the utility model, pulleys are fixedly installed at the four corners of the bottom end of the base, and the pulleys are universal wheels with brakes.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model uses the lifting mechanism and the driving motor in coordination with each other, so that the device can be used flexibly according to the ground conditions and is suitable for use in different places, and has the positive effects of strong practicality and wide applicability; when not in use, the upper column is moved downward and the placement plate is folded to facilitate subsequent transportation; by providing a reinforcing rib frame, the strength and rigidity of the device can be enhanced without increasing the wall thickness of the device; at the same time, four sets of hydraulic support legs are installed on the base to provide stable support for the device and perform height adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is an enlarged schematic diagram of the local structure of the utility model.

[0016] Figure 3 It is a schematic diagram of the recovery state of the utility model structure.

[0017] Figure 4 It is a schematic diagram of the utility model structure in an extended state.

[0018] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0019] 1. Base; 2. Lower column; 3. Upper column; 4. Fixed plate; 5. Slide; 6. Lifting frame; 601. Vertical plate; 602. Door column; 603. First connecting rod; 604. Second connecting rod; 605. Placement plate; 606. Sliding block; 607. Linking frame; 7. Driving motor; 8. Lifting mechanism; 801. Rack; 802. Gear; 9. Moving groove; 10. Multi-stage hydraulic cylinder; 11. Hydraulic support leg; 12. Reinforcement frame; 13. Pulley. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0021] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention 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 operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0023] As attached Figure 1 To Attachment Figure 4 As shown:

[0024] The utility model provides a hoist for construction engineering, comprising a base 1, lower columns 2 are fixedly installed on both sides of the top of the base 1, upper columns 3 are sleeved on the tops of two groups of the lower columns 2, and the lower columns 2 and the upper columns 3 are hollow tubes, and the tops of the two groups of the upper columns 3 are connected with fixed plates 4, one side of the lower columns 2 and the upper columns 3 is provided with a slide groove 5, the bottom end of the lower column 2 is slidably connected with a lifting frame 6, the top of the base 1 is provided with a notch, and the lifting frame 6 is arranged corresponding to the notch; the top of the lower column 2 is installed with a driving motor 7, and a lifting mechanism 8 for driving the upper column 3 to move is installed on one side of the driving motor 7; the upper column 3 is provided with a moving groove 9 on the side close to the driving motor 7.

[0025] Among them, the lifting mechanism 8 includes a rack 801 fixedly installed inside the upper column 3, and a gear 802 is meshed on one side of the rack 801. The center of one end of the gear 802 is fixedly connected to one end of the rotating shaft. One end of the rotating shaft passes through the movable groove 9 and extends to the outside of the top of the lower column 2 and is connected to the driving motor 7. This allows the device to be flexibly used according to the ground conditions, suitable for use in different spaces and places, and has the advantage of strong practicality.

[0026] Among them, the lifting frame 6 includes a vertical plate 601, one side of the vertical plate 601 is movably connected with two groups of door columns 602 through an axis, one side of the two groups of door columns 602 is hinged with a first connecting rod 603, the other end of the first connecting rod 603 is hinged with a second connecting rod 604, the other end of the second connecting rod 604 is hinged with a placement plate 605, and the front end of the placement plate 605 is provided with a slope surface, which is convenient for folding the placement plate 605 when not in use. At the same time, the slope surface is provided to facilitate the transportation of the trolley.

[0027] Among them, the left and right sides of the vertical plate 601 are fixedly connected with sliders 606, and the sliders 606 are slidably connected in the slide grooves 5 of the lower column 2 and the upper column 3. The other side of the vertical plate 601 is fixedly connected with a linkage frame 607, and one side of the linkage frame 607 protrudes and extends with a connecting block, and the bottom end of the connecting block is fixedly connected with a multi-stage hydraulic cylinder 10, and the bottom end of the multi-stage hydraulic cylinder 10 is fixedly connected to one side of the base 1, so that the lifting frame 6 can move up and down smoothly, and has the advantages of simple structure, high reliability, and convenient operation.

[0028] Among them, the four corners of the base 1 are fixedly connected with hydraulic support legs 11 to provide stable support for the device and perform height adjustment.

[0029] Among them, a reinforcing rib frame 12 is arranged on the base 1, and the reinforcing rib frame 12 is arranged between the base 1 and the lower column 2, so as to enhance the strength and rigidity of the device without increasing the wall thickness of the device.

[0030] Among them, pulleys 13 are fixedly installed at the four corners of the bottom end of the base 1, and the pulley 13 is a universal wheel with a brake, which can make the pulley 13 rotate during activities for easy movement, and at the same time, the wheel movement can be stopped by braking after being placed in a specified position.

[0031] The working principle of this embodiment is as follows: first, push the device to a suitable position, lower the hydraulic support leg 11, lock the pulley 13, start the drive motor 7, and under the mutual meshing action of the gear 802 and the rack 801 fixed on the upper column 3, the upper column 3 moves upward and reaches the specified height. At the same time, adjust the first connecting rod 603 and the second connecting rod 604 to allow the placement plate 605 under the lifting frame 6 to be unfolded. When the material is placed on the placement plate 605, the linkage frame 607 is driven by the multi-stage hydraulic cylinder 10 to move the lifting frame 6 upward. Two groups of sliders 606 are arranged on both sides of the lifting frame 6 to slide on the slide grooves 5 on the lower column 2 and the upper column 3 to make the overall movement more stable. When the material transportation is completed, the upper column 3 is moved down to the inside of the lower column 2, and the folded placement plate 605 is recovered at the same time to facilitate subsequent transportation. It has a simple structure, high reliability and easy operation.

[0032] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A hoist for construction engineering, comprising a base (1), characterized in that: Lower columns (2) are fixedly installed on both sides of the top of the base (1), upper columns (3) are sleeved on the tops of the two groups of lower columns (2), and the lower columns (2) and the upper columns (3) are both hollow tubes. The tops of the two groups of upper columns (3) are connected to fixed plates (4), and one side of the lower columns (2) and the upper columns (3) is provided with a sliding groove (5), and the bottom end of the lower column (2) is slidably connected to a lifting frame (6), and the top of the base (1) is provided with a notch, and the lifting frame (6) is arranged corresponding to the notch; the top of the lower column (2) is installed with a driving motor (7), and one side of the driving motor (7) is installed with a lifting mechanism (8) for driving the upper column (3) to move; the upper column (3) is provided with a moving groove (9) on the side close to the driving motor (7).

2. A construction engineering hoist as claimed in claim 1, characterized in that: The lifting mechanism (8) comprises a rack (801) fixedly mounted inside the upper column (3), a gear (802) meshing on one side of the rack (801), one end center of the gear (802) being fixedly connected to one end of a rotating shaft, one end of the rotating shaft extending through the movable slot (9) to the outside of the top end of the lower column (2) and being transmission-connected to the driving motor (7).

3. A construction engineering hoist as claimed in claim 1, characterized in that: The lifting frame (6) comprises a vertical plate (601), one side of the vertical plate (601) is movably connected to two groups of door columns (602) via an axis, one side of the two groups of door columns (602) is hinged to a first connecting rod (603), the other end of the first connecting rod (603) is hinged to a second connecting rod (604), the other end of the second connecting rod (604) is hinged to a placement plate (605), and the front end of the placement plate (605) is provided with a slope surface.

4. A construction engineering hoist as claimed in claim 3, characterized in that: The left and right sides of the vertical plate (601) are both fixedly connected with sliders (606), and the sliders (606) are slidably connected in the slide grooves (5) of the lower column (2) and the upper column (3). The other side of the vertical plate (601) is fixedly connected with a linkage frame (607), and a connecting block protrudes and extends from one side of the linkage frame (607). The bottom end of the connecting block is fixedly connected with a multi-stage hydraulic cylinder (10), and the bottom end of the multi-stage hydraulic cylinder (10) is fixedly connected to one side of the base (1).

5. A construction engineering hoist as claimed in claim 1, characterized in that: The four corners of the base (1) are fixedly connected with hydraulic support legs (11).

6. A construction engineering hoist as claimed in claim 1, characterized in that: A reinforcing rib frame (12) is provided on the base (1), and the reinforcing rib frame (12) is arranged between the base (1) and the lower column (2).

7. A construction engineering hoist as claimed in claim 1, characterized in that: Pulleys (13) are fixedly mounted at the four corners of the bottom end of the base (1), and the pulleys (13) are universal wheels with brakes.

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