Small hoisting machine in civil construction

Abstract

The utility model relates to the technical field of hoisting equipment, in particular to a small hoisting machine in civil construction, which comprises a frame, and the top of the frame is fixedly connected with a servo motor. According to the small hoisting machine in civil construction, through arrangement of a servo motor, a rotating rod, a winding rod, a limiting plate, a first steel rope, a second steel rope, a baffle and a placement plate, when the small hoisting machine is used, an external power source of the device starts the servo motor to operate to drive the rotating rod and the winding rod to rotate, the winding rod rotates to drive the first steel rope and the second steel rope to be wound and unwound, and then the placement plate is driven to ascend and descend; the baffle can limit one end of the winding rod, the limiting rod can limit the winding and unwinding positions of the first steel rope and the second steel rope, and the first steel rope and the second steel rope are arranged on the two sides of the top of the containing plate correspondingly, so that the hoisting stability is improved, and the situation that after only one side of the device is used for hoisting and containing objects, the other side is prone to inclining is avoided; and therefore, the object is easy to fall off and is damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field, concretely is a small hoist in civil construction. BACKGROUND

[0002] Civil engineering refers to the plan, construction and maintenance of all water, soil and culture related infrastructure. The current general civil engineering projects include: housing, roads, water, drainage, flood control engineering and transportation, etc. In civil construction, people often use tower cranes for hoisting operations, and often use hoists for hoisting operations, so a small hoist in civil construction is needed.

[0003] The small hoist in civil construction disclosed in the publication No. CN217650792U, although, when the operator needs to lift the object, first place the lifting object on the lifting plate, start the clamping mechanism on the lifting plate to clamp the lifting object, after clamping, start the motor, the motor rotates to drive the winding roller fixedly installed with it to rotate, the winding roller rotates to drive the steel rope to pull the lifting plate to move upward on the hoisting frame, when starting to the specified position, the operator holds the lifting object, at this time, the lifting object is released by the clamping mechanism, and the lifting object can be lifted. The small hoist in civil construction has high transportation efficiency, strong stability, high safety, simple structure and strong practicality.

[0004] However, the small hoist in civil construction has the following shortcomings:

[0005] (1) The small hoist in civil construction has weak function to further improve the stability after lifting, as the device only one side is hoisted, after placing the object, the other side is easy to tilt, causing the object to fall off and damage;

[0006] (2) The small hoist in civil construction has weak function to buffer the object when descending, as the object bottom directly collides with the device after the object descends, causing the object bottom to be easily damaged, affecting subsequent use. INVENTION CONTENTS

[0007] The utility model aims to provide a small hoist in civil construction to solve the problems raised in the background technology.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: A small hoist in civil engineering construction, frame is fixedly connected with servo motor at the top, the output of servo motor is fixedly connected with the rotary rod, one end of rotary rod is fixedly connected with winding rod, the outer surface of winding rod is fixedly connected with limit plate, one side of winding rod is fixedly connected with first steel rope, the other side of winding rod is fixedly connected with second steel rope, the bottom of first steel rope is fixedly connected with placing plate, one end of winding rod is rotatably connected with baffle, the inner bottom wall of frame is fixedly connected with bottom plate, the top of bottom plate is fixedly connected with support rod, the outer surface of support rod is provided with spring, the both ends of spring are fixedly connected with pressing plate, one end of pressing plate is fixedly connected with link plate, the outer surface of link plate is rotatably connected with lifting rod, the inner side wall of lifting rod is rotatably connected with link rod, one end of link rod is fixedly connected with rectangular plate, the top of rectangular plate is fixedly connected with buffer plate.

[0009] Optionally, a connecting groove is formed in one side of the top of the frame, and the baffle is connected between the connecting groove, the connecting groove is used for connecting the baffle and the frame, the position of the baffle is fixed, and the baffle supports and limits one end of the winding rod.

[0010] Optionally, a fixing groove is formed in the top of the placing plate, and the second steel rope is connected between the fixing groove, the fixing groove is used for connecting the second steel rope and the placing plate, and the second steel rope can further improve the stability of the hoisting of the placing plate.

[0011] Optionally, a limiting sliding block is fixedly connected to the side of the placing plate, a limiting rod is slidably connected to the inside of the limiting sliding block, and a limiting frame is slidably connected to the outer surface of the limiting sliding block, when the placing plate is lifted, the limiting sliding block is slid on the surface of the limiting rod, the limiting frame and the limiting rod limit the limiting sliding block, and the limiting sliding block limits the placing plate.

[0012] Optionally, a rectangular groove is formed in the inner bottom wall of the frame, and the limiting frame is connected between the rectangular groove, the rectangular groove is used for connecting the limiting frame and the frame, and the position of the limiting frame is fixed.

[0013] Optionally, a spring damper is fixedly connected to the top of the bottom plate, and a rectangular slot hole is formed in one side of the top of the frame, the spring damper is used for further buffering and protecting the buffer plate and the object, and the rectangular slot hole is used for limiting the first steel rope and the second steel rope when the first steel rope and the second steel rope are retracted.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The small hoisting machine in the civil construction, through the setting of servo motor, rotating rod, winding rod, limiting plate, first steel rope, second steel rope, baffle and placing plate, when in use, the device is externally connected to the power supply to start the servo motor to drive the rotating rod and the winding rod to rotate, the winding rod drives the first steel rope and the second steel rope to be retracted and released, and then drives the placing plate to be lifted, the baffle can limit the one end of the winding rod, the limiting rod can limit the retracting and releasing position of the first steel rope and the second steel rope, and the first steel rope and the second steel rope are arranged on the top of the placing plate on both sides, so that the stability of hoisting is improved, and the device is prevented from tilting on the other side after the object is placed, so that the object is prevented from falling and causing damage.

[0016] 2. The small hoisting machine in the civil construction, through the setting of supporting rod, spring, pressing plate, connecting plate, lifting rod, connecting rod, rectangular plate and buffer plate, when in use, the device is used to lower the object, when the object presses the buffer plate, the buffer plate, the rectangular plate and the connecting rod are pressed downward, the connecting rod drives the lifting rod to adjust the angle of the lifting rod, the lifting rod is turned over to drive the two connecting plates and the pressing plate to move to the opposite side, and then drives the spring to contract, and the spring rebounds to buffer the buffer plate, so that the object being lowered is buffered, and the object is prevented from being directly collided with the device after being lowered, so that the bottom of the object is prevented from being easily damaged and affecting subsequent use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional appearance schematic view of the utility model;

[0018] Figure 2 It is a frame split schematic view of the utility model;

[0019] Figure 3 It is a placing plate split schematic view of the utility model;

[0020] Figure 4 It is a Figure 1 Enlarged schematic view of A in the utility model.

[0021] In the figure: 1, frame; 2, servo motor; 3, rotating rod; 4, winding rod; 5, limiting plate; 6, first steel rope; 7, second steel rope; 8, placing plate; 9, baffle; 10, bottom plate; 11, supporting rod; 12, spring; 13, pressing plate; 14, connecting plate; 15, lifting rod; 16, connecting rod; 17, rectangular plate; 18, buffer plate; 19, limiting sliding block; 20, limiting rod; 21, limiting frame; 22, spring damper; 23, rectangular slot. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] Please refer to Figures 1-4 The utility model provides a kind of technical scheme provided by the utility model discloses a small hoist in civil engineering, including frame 1, the top of frame 1 is fixedly connected with servo motor 2, the output of servo motor 2 is fixedly connected with rotating rod 3, one end of rotating rod 3 is fixedly connected with winding rod 4, the outer surface of winding rod 4 is fixedly connected with limit plate 5, one side of winding rod 4 is fixedly connected with first steel cord 6, the other side of winding rod 4 is fixedly connected with second steel cord 7, the bottom of first steel cord 6 is fixedly connected with placing plate 8, one end of winding rod 4 is rotatably connected with baffle 9, the inner bottom wall of frame 1 is fixedly connected with bottom plate 10, the top of bottom plate 10 is fixedly connected with support rod 11, the outer surface of support rod 11 is provided with spring 12, the both ends of spring 12 are fixedly connected with pressing plate 13, one end of pressing plate 13 is fixedly connected with link plate 14, the outer surface of link plate 14 is rotatably connected with lifting rod 15, the inner side wall of lifting rod 15 is rotatably connected with link rod 16, one end of link rod 16 is fixedly connected with rectangular plate 17, the top of rectangular plate 17 is fixedly connected with buffer plate 18, place external power supply starts servo motor 2 operation to drive rotating rod 3 and winding rod 4 rotation, winding rod 4 rotation drives first steel cord 6 and second steel cord 7 to be retracted, to further drive placing plate 8 to go up and down, baffle 9 can limit one end of winding rod 4, limiting rod 20 can limit the position of first steel cord 6 and second steel cord 7 to be retracted, and first steel cord 6 and second steel cord 7 are respectively arranged on the top of both sides of placing plate 8, to improve the stability of hoisting, the device is lowered, when object is pressed to buffer plate 18, buffer plate 18, rectangular plate 17 and link rod 16 are pressed, link rod 16 drives lifting rod 15 to adjust its angle, lifting rod 15 overturns to drive two link plates 14 and pressing plates 13 to move to opposite sides, to further drive spring 12 to contract, and spring 12 rebounds to buffer buffer plate 18, to buffer the object of descending in this way;

[0024] The top of frame 1 is provided with connecting groove on one side, baffle 9 is connected between connecting groove, baffle 9 is connected between frame 1 by the setting of connecting groove, make baffle 9 position fixedly, simultaneously, baffle 9 supports and limits one end of winding rod 4;

[0025] The top of placing plate 8 is provided with fixed slot, second steel cord 7 is connected between fixed slot, fixed slot is connected between second steel cord 7 and placing plate 8, and second steel cord 7 can further improve the stability of hoisting of placing plate 8.

[0026] A limiting slider 19 is fixedly connected to the side of the placement plate 8. A limiting rod 20 is slidably connected inside the limiting slider 19. A limiting frame 21 is slidably connected to the outer surface of the limiting slider 19. The fixing groove connects the second steel rope 7 to the placement plate 8. The second steel rope 7 can further improve the stability of the placement plate 8 during lifting.

[0027] A rectangular groove is provided on the inner bottom wall of frame 1. The limiting frame 21 is connected to the rectangular groove. The rectangular groove connects the limiting frame 21 to frame 1, so that the position of the limiting frame 21 is fixed.

[0028] A spring damper 22 is fixedly connected to the top of the base plate 10. A rectangular slot 23 is provided on one side of the top of the frame 1. The spring damper 22 can further buffer and protect the buffer plate 18 and the object. The rectangular slot 23 can limit the movement of the first steel rope 6 and the second steel rope 7 during winding and unwinding.

[0029] In this invention, the working steps of the device are as follows:

[0030] First step: Connect the external power supply to start the servo motor 2, which drives the rotating rod 3 and the winding rod 4 to rotate. The rotation of the winding rod 4 drives the first steel rope 6 and the second steel rope 7 to be wound and unwound, thereby driving the placement plate 8 to rise and fall. The baffle 9 can limit one end of the winding rod 4, and the limiting rod 20 can limit the winding and unwound positions of the first steel rope 6 and the second steel rope 7. The first steel rope 6 and the second steel rope 7 are respectively set on the top two sides of the placement plate 8 to improve the stability of the lifting. The device lowers the object. When the object presses on the buffer plate 18, the buffer plate 18, the rectangular plate 17 and the connecting rod 16 press down. The connecting rod 16 drives the lifting rod 15 to adjust its own angle. The lifting rod 15 flips and drives the two connecting plates 14 and the pressure plate 13 to move to the opposite side, thereby driving the spring 12 to contract. Then the spring 12 rebounds to buffer the buffer plate 18, thereby buffering the falling object.

[0031] The second step: The baffle 9 is connected to the frame 1 through the setting of the connecting groove, so that the position of the baffle 9 is fixed. At the same time, the baffle 9 supports and limits one end of the winding rod 4. The fixing groove connects the second steel rope 7 to the placement plate 8. The second steel rope 7 can further improve the lifting stability of the placement plate 8.

[0032] The third step: The rectangular slot connects the limiting frame 21 to the frame 1, fixing the position of the limiting frame 21. The spring damper 22 further buffers and protects the buffer plate 18 and the object. The rectangular slot 23 limits the first steel rope 6 and the second steel rope 7 during winding and unwinding.

[0033] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A small-sized hoist for use in civil engineering construction, comprising a frame (1), characterized in that: The top of the frame (1) is fixedly connected with a servo motor (2), the output end of the servo motor (2) is fixedly connected with a rotating rod (3), one end of the rotating rod (3) is fixedly connected with a winding rod (4), the outer surface of the winding rod (4) is fixedly connected with a limiting plate (5), one side of the winding rod (4) is fixedly connected with a first steel wire (6), the other side of the winding rod (4) is fixedly connected with a second steel wire (7), the bottom of the first steel wire (6) is fixedly connected with a placing plate (8), one end of the winding rod (4) is rotatably connected with a baffle (9), the inner bottom wall of the frame (1) is fixedly connected with a bottom plate (10), the top of the bottom plate (10) is fixedly connected with a supporting rod (11), the outer surface of the supporting rod (11) is provided with a spring (12), both ends of the spring (12) are fixedly connected with a pressing plate (13), one end of the pressing plate (13) is fixedly connected with a connecting plate (14), the outer surface of the connecting plate (14) is rotatably connected with a lifting rod (15), the inner side wall of the lifting rod (15) is rotatably connected with a connecting rod (16), one end of the connecting rod (16) is fixedly connected with a rectangular plate (17), the top of the rectangular plate (17) is fixedly connected with a buffer plate (18).

2. A small-sized hoisting machine in civil engineering construction according to claim 1, characterized in that: The top side of the frame (1) is provided with a connecting groove, and the baffle (9) is connected with the connecting groove.

3. A small-sized hoisting machine in civil engineering construction according to claim 1, characterized in that: The top of the placing plate (8) is provided with a fixed groove, and the second steel wire (7) is connected with the fixed groove.

4. A small-sized hoisting machine in civil engineering construction according to claim 1, characterized in that: The side of the placing plate (8) is fixedly connected with a limiting sliding block (19), the inside of the limiting sliding block (19) is slidably connected with a limiting rod (20), and the outer surface of the limiting sliding block (19) is slidably connected with a limiting frame (21).

5. A small-sized hoisting machine for use in civil engineering works according to claim 4, characterized in that: The inner bottom wall of the frame (1) is provided with a rectangular groove, and the limiting frame (21) is connected with the rectangular groove.

6. A small-sized hoisting machine in civil engineering construction according to claim 1, characterized in that: The top of the bottom plate (10) is fixedly connected with a spring damper (22), and the top side of the frame (1) is provided with a rectangular groove hole (23).

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