CN108726325B - General-purpose mechanical carrying device for steps and ladders and using method thereof - Google Patents

Abstract

The invention provides a general-purpose mechanical carrying device for a step ladder and its use method. It includes left and right load-bearing beams. part and the movable rolling part, the connecting rope passes through the movable rolling part and the fixed rolling part in turn and is fixedly connected with the control wheel fixed on one side of the wall, the movable rolling part is connected with a carrying ring movably, and the side of the movable rolling part on the back of the step ladder An elastic snap ring is fixed, and the carrying ring is elastically connected with the elastic snap ring. When there is no freight elevator installed in the building that needs to transport heavy objects, or when the freight elevator is not suitable for carrying the heavy objects due to other reasons, this design can be used to complete the transportation of heavy objects. It has simple structure, convenient operation and good stability. , high security, suitable for popularization and use.

Description

General-purpose mechanical carrying device for steps and ladders and using method thereof

technical field

The invention relates to the field of construction engineering machinery and equipment, in particular to a general-purpose mechanical carrying device for steps and ladders and a use method thereof.

Background technique

In daily life, the most commonly used transportation tool for transporting heavy objects to high-rise buildings is the freight elevator. It has many advantages such as fast, efficient, labor-saving, and low cost. Nowadays, most residential buildings are equipped with elevators, but they are often used because of the need Due to the large volume and heavy load of the goods being transported, the goods can only be transported to the upper floors manually by step ladders, which consumes a lot of labor, and the cost of transport will also be greatly increased. At the same time, the efficiency of transport will be greatly increased. discount.

Contents of the invention

The technical problem to be solved by the present invention is to provide a general-purpose mechanical carrying device for steps and ladders and a method for using it in view of the above-mentioned deficiencies in the prior art.

In order to solve the above-mentioned technical problems, the present invention proposes the following technical solutions: a general-purpose mechanical carrying device for steps, which includes left and right load-bearing beams, which are respectively installed on the left and right sides of the back of the step by fixing bolts, and the left and right load-bearing beams A fixed rolling part and a movable rolling part are arranged in sequence, and the connecting rope passes through the movable rolling part and the fixed rolling part in turn and is fixedly connected with the control wheel fixed on one side of the wall. An elastic snap ring is fixed on one side of the movable rolling part on the back, and the carrying ring is elastically connected with the elastic snap ring.

The load-bearing slab includes an upper slab, and a lower slab is fixed under the upper slab by fixing bolts, both sides of the upper slab and the lower slab are provided with rolling limiting grooves, and one end of the lower slab is provided with a bearing base.

The fixed rolling part includes a rotating shaft, a rolling wheel A is installed in the middle of the rotating shaft through a rolling bearing A, and a movable lead ring is arranged below the rolling wheel A, and the movable lead ring is movably connected with the rotating shaft, and the side of the rolling wheel A on the rotating shaft is sequentially There is a precision lock nut A and a movable wiring ring; the fixed rolling part is supported on the bearing base on the bearing beam plate through rolling bearings at both ends of the rotating shaft, and the rolling bearing is fixed on the bearing base through the upper cover of the bearing base and connecting bolts.

The movable rolling part includes a rolling shaft, a rolling wheel B is installed in the middle of the rolling shaft through a rolling bearing B, and a movable lead ring is arranged under the rolling wheel B, and the movable lead ring is movably connected with the rolling shaft. A precision lock nut B, two ends of the rolling shaft are provided with a secondary rolling wheel through a rolling bearing C, and a precision lock nut C is provided on one side of the secondary rolling wheel.

One end of the connecting rope is fixedly connected to the movable connecting ring on the fixed rolling part, and the other end of the connecting rope passes through the movable rolling part in turn, and the fixed rolling part is fixedly connected to the control wheel fixed on one side of the wall.

The control wheel includes a rolling body, the rolling body is provided with a limit handle, the rolling body is fixed on the wall through a threaded short shaft, and a limit block is fixed at one end of the threaded short shaft.

The carrying ring includes an isosceles ring, two ends of the isosceles ring are respectively fixedly connected with a mounting sleeve, and the carrying ring is movably connected with the movable rolling part through the mounting sleeve.

The elastic snap ring includes a plurality of lotus shrapnels, and the lotus shrapnels are center-symmetrically installed on the threaded connecting rod, and the elastic snap ring is fixedly installed on the back of the step ladder through the threaded connecting rod.

The method for using any one of the universal mechanical carrying devices for steps, it comprises the following steps:

Step1: Use the control wheel and the connecting rope to control the movable rolling part to move to the lowest position on the back of the step ladder, and use the upper limit handle of the control wheel to lock the control wheel;

Step2: Make the carrying ring break away from the elastic snap ring by force;

Step3: Hang the packaged and protected heavy objects through ropes, chains or hooks to the interface of the carrying ring;

Step4: Turn on the control wheel to restore the free movement state, and control the active rolling part to move from the lowest position to the highest position on the back of the step ladder by rotating the control wheel;

Step5: Remove the heavy object from the carrying ring;

Step6: The first cycle is completed, move the heavy object to the lower position on the back of another step, repeat the steps from Step1 to Step6 until the heavy object is transported to the designated floor, and complete the entire transportation process.

The present invention has following beneficial effect:

When the building that needs to transport heavy objects is not equipped with freight elevators, or the freight elevator is not suitable for carrying the heavy objects due to other reasons, this design can be used to complete the transportation of heavy objects. The first step is to control the wheels, connect The rope controls the movable rolling part to move to the lowest position on the back of the step ladder, and locks the control wheel by using the upper limit handle of the control wheel; the second step is to force the carrying ring out of the lotus-shaped elastic snap ring; the third step is to pack and protect The heavy objects are suspended by ropes, chains or hooks to the interface of the carrying ring; the fourth step, open the control wheel to restore the free movement state, and control the active rolling part from the lowest position on the back of the step ladder by rotating the control wheel. Move to the highest position; step 5, remove the weight from the carrying ring; step 6, the first cycle is completed, move the weight to the lower position on the back of another step, repeat the steps from step 1 to step 5 Until the heavy objects are transported to the designated floor, the entire transport process is completed. The design has the advantages of simple structure, convenient operation, good stability and high safety, and is suitable for popularization and use.

Description of drawings

The present invention will be further described below in conjunction with drawings and embodiments.

Fig. 1 is a schematic diagram of the overall installation structure of the present invention.

Figure 2 is a structural schematic diagram of a load-bearing beam slab.

Fig. 3 is a structural schematic diagram of the main part of the present invention.

Fig. 4 is a schematic diagram of the structure of each component of the fixed rolling part.

Fig. 5 is a schematic structural diagram of components of the active scrolling part.

Fig. 6 is a schematic diagram of the components of the control wheel.

Fig. 7 is a schematic diagram of the structure of the carrying ring.

Fig. 8 is a schematic diagram of the structure of the lotus-shaped elastic snap ring.

In the figure: left and right bearing beams 1, fixed rolling part 2, movable rolling part 3, connecting rope 4, control wheel 5, carrying ring 6, elastic snap ring 7;

Upper beam plate 1-1, lower beam plate 1-2, rolling limit groove 1-3, bearing base 1-4;

Rotating shaft 2-1, rolling wheel A2-2, movable lead wire ring 2-3, rolling bearing A2-4, precision lock nut A2-5, movable wiring ring 2-6, upper cover of bearing base 2-7;

Rolling shaft 3-1, rolling wheel B3-2, movable lead ring 3-3, rolling bearing B3-4, precision lock nut B3-5, rolling bearing C3-6, auxiliary rolling wheel 3-7, precision lock nut C3-8;

Rolling body 5-1, limit handle 5-2, threaded short shaft 5-3, limit block 5-4;

Isosceles ring 6-1, installation sleeve 6-2;

Lotus shrapnel 7-1, threaded connecting rod 7-2.

Detailed ways

Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

Example 1:

As shown in Figure 1-8, a general-purpose mechanical carrying device for step ladders includes left and right load-bearing beams 1, which are used to mainly carry the weight of heavy objects to be transported. On the left and right sides of the back, a fixed rolling part 2 and a movable rolling part 3 are sequentially arranged between the left and right bearing beams 1. The fixed rolling part 2 can rotate around the axis at a fixed position, and the movable rolling part 3 can not only rotate around the axis, but also Roll back and forth as a whole, and the connecting rope 4 passes through the movable rolling part 3 in turn, and the fixed rolling part 2 is fixedly connected with the control wheel 5 fixed on one side of the wall, and the movable rolling part 3 is movably connected with a carrying ring 6 for bearing For heavy objects that need to be transported, an elastic snap ring 7 is fixed on one side of the movable rolling part 3 on the back of the step ladder, and the carrying ring 6 is elastically connected to the elastic snap ring 7, and the carrying ring 6 can be snapped into the elastic snap ring 7 when not in use , can be taken out freely when needed.

Further, the load-bearing beam 1 includes an upper beam 1-1, a lower beam 1-2 is fixed under the upper beam 1-1 through fixing bolts, the upper beam 1-1, and the lower beam 1 Both sides of -2 are provided with a rolling limit groove 1-3, and the movable rolling part 3 can limit rolling along the rolling limit groove 1-3 on the upper beam plate 1-1 and the lower beam plate 1-2. One end of the beam plate 1-2 is provided with a bearing base 1-4.

Further, the fixed rolling part 2 includes a rotating shaft 2-1, a rolling wheel A2-2 is arranged in the middle of the rotating shaft 2-1 through a rolling bearing A2-4, and a movable lead ring 2-2 is arranged under the rolling wheel A2-2. 3. It is used to control the threading direction of the connecting rope 4. The movable lead ring 2-3 is movably connected with the rotating shaft 2-1. The movable lead ring 2-3 can freely rotate around the rotating shaft 2-1, and the rotating shaft 2-1 One side of the scroll wheel A2-2 is sequentially provided with a precision lock nut A2-5 for axial positioning of the scroll wheel A2-2, and a movable connection ring 2-6 for firmly connecting the connecting rope 4. The fixed rolling part 2 is movably connected with the bearing base 1-4 by setting rolling bearings at both ends of the rotating shaft 2-1, and the rolling bearing is fixed on the bearing base 1-4 through the bearing base upper cover 2-7 and connecting bolts, so that the fixed rolling part 2 Rotating freely around the axis of rotation 2-1.

Further, the movable rolling part 3 includes a rolling shaft 3-1, a rolling wheel B3-2 is provided in the middle of the rolling shaft 3-1 through a rolling bearing B3-4, and a movable lead ring 3-2 is provided under the rolling wheel B3-2. 3. It is used to control the threading direction of the connecting rope 4. The movable lead wire ring 3-3 is movably connected with the rolling shaft 3-1. The two sides of the scrolling wheel B3-2 are respectively equipped with precision lock nuts B3-5 for the scrolling wheel B3. -2 Axial positioning, the two ends of the rolling shaft 3-1 are provided with a secondary rolling wheel 3-7 through the rolling bearing C3-6, and the movable rolling part 3 can go around the rolling shaft 3-1 through the two ends of the secondary rolling wheel 3-7. In addition to rotation, limit rolling can also be performed along the rolling limit groove 1-3 on the upper beam plate 1-1 and the lower beam plate 1-2, and a precision lock nut C3- 8. It is used for axial positioning of auxiliary scroll wheel 3-7.

Further, one end of the connecting rope 4 is fixedly connected to the movable connecting ring 2-6 on the fixed rolling part 2, which is the head end of the connecting rope 4, and the other end of the connecting rope 4 passes through the movable rolling part 3, the fixed rolling part 2 and a The control wheel 5 fixed on the side wall is fixedly connected, and the control wheel 5 controls the length of the connecting rope 4 through rotation, and then controls the movable rolling part 3 to perform limited rolling between the left and right bearing beams 1 to realize the step ladder carrying.

Further, the control wheel 5 includes a rolling body 5-1, the rolling body 5-1 is provided with a limit handle 5-2, and the rolling body 5-1 is fixed on the wall through a threaded short shaft 5-3, and the threaded short shaft One end of the shaft 5-3 is fixed with a limit block 5-4, and the limit handle 5-2 cooperates with the limit block 5-4 to realize the locking and free rotation of the control wheel 5, thereby realizing the free movement or movement of the movable rolling part 3 within the stroke. stuck.

Further, the carrying ring 6 is used to hang load-bearing objects for transportation, and it includes an isosceles ring 6-1, and the two ends of the isosceles ring 6-1 are respectively fixedly connected with the installation sleeve 6-2, and the carrying ring 6 is installed by The sleeve 6-2 is movably connected with the movable rolling part 3, and the carrying ring 6 can freely rotate around the rolling axis 3-1 of the movable rolling part 3.

Further, the elastic clasp 7 includes a number of lotus shrapnel 7-1, the lotus shrapnel 7-1 has a certain degree of elasticity, and a number of lotus shrapnel 7-1 are symmetrically installed on the threaded connecting rod 7-2, and the elastic snap ring The ring 7 is fixedly installed on the back of the step ladder through the threaded connecting rod 7-2. The elastic snap ring 7 is used to elastically hold the carrying ring 6. When it is necessary to use the carrying ring 6 to carry heavy objects, the carrying ring 6 can be separated from the elastic snap ring by force. 7. When the carrying ring 6 is not needed, it can be snapped into the elastic snap ring 7 for easy storage.

Example 2:

The method for using any one of the universal mechanical carrying devices for steps, it comprises the following steps:

Step1: Use the control wheel 5 and the connecting rope 4 to control the movable rolling part 3 to move to the lowest position on the back of the step ladder, and use the upper limit handle 5-2 of the control wheel 5 to lock the control wheel 5;

Step2: Forcibly make the carrying ring 6 detach from the elastic snap ring 7;

Step3: Hang the packaged and protected heavy objects to the interface of the carrying ring 6 through ropes, chains or hooks;

Step4: Turn on the control wheel 5 to restore the free movement state. By rotating the control wheel 5, the active rolling part 3 is controlled to move from the lowest position to the highest position on the back of the step ladder;

Step5: Remove the heavy object from the carrying ring 6;

Step6: The first cycle is completed, move the heavy object to the lower position on the back of another step, repeat the steps from Step1 to Step6 until the heavy object is transported to the designated floor, and complete the entire transportation process.

Through the above description, those skilled in the art can make various changes and modifications without departing from the technical idea of the present invention, all of which are within the protection scope of the present invention. Matters not covered in the present invention belong to the common knowledge of those skilled in the art.

Claims (2)

1. The utility model provides a general mechanical carrying device of step ladder which characterized in that: the elevator comprises a left bearing beam plate (1) and a right bearing beam plate (1), wherein the left bearing beam plate (1) and the right bearing beam plate (1) are respectively arranged on the left side and the right side of the back of the elevator through fixing bolts, a fixed rolling part (2) and a movable rolling part (3) are sequentially arranged between the left bearing beam plate (1) and the right bearing beam plate, a connecting rope (4) sequentially penetrates through the movable rolling part (3) and the fixed rolling part (2) to be fixedly connected with a control wheel (5) fixedly arranged on a side wall, a carrying hanging ring (6) is movably connected to the movable rolling part (3), an elastic snap ring (7) is fixedly arranged on one side of the movable rolling part (3) on the back of the elevator, and the carrying hanging ring (6) is elastically connected with the elastic snap ring (7);

the bearing beam plate (1) comprises an upper beam plate (1-1), a lower beam plate (1-2) is fixedly arranged below the upper beam plate (1-1) through fixing bolts, rolling limit grooves (1-3) are formed in one side of the upper beam plate (1-1) and one side of the lower beam plate (1-2), and a bearing base (1-4) is arranged at one end of the lower beam plate (1-2);

the fixed rolling part (2) comprises a rotating shaft (2-1), a rolling wheel A (2-2) is arranged in the middle of the rotating shaft (2-1) through a rolling bearing A (2-4), a movable wire ring (2-3) is arranged below the rolling wheel A (2-2), the movable wire ring (2-3) is movably connected with the rotating shaft (2-1), and a precise locking nut A (2-5) and a movable wire ring (2-6) are sequentially arranged on one side of the rolling wheel A (2-2) on the rotating shaft (2-1); the fixed rolling part (2) is supported on a bearing base (1-4) on the bearing beam plate (1) through rolling bearings at two ends of the rotating shaft (2-1), and the rolling bearings are fixed on the bearing base (1-4) through a bearing base upper cover (2-7) and connecting bolts;

the movable rolling part (3) comprises a rolling shaft (3-1), a rolling wheel B (3-2) is rotatably supported and installed in the middle of the rolling shaft (3-1) through a rolling bearing B (3-4), a movable wire ring (3-3) is arranged below the rolling wheel B (3-2), the movable wire ring (3-3) is movably connected with the rolling shaft (3-1), two sides of the rolling wheel B (3-2) are respectively provided with a precise locking nut B (3-5), two ends of the rolling shaft (3-1) are provided with an auxiliary rolling wheel (3-7) through rolling bearings C (3-6), and one side of the auxiliary rolling wheel (3-7) is provided with a precise locking nut C (3-8);

one end of the connecting rope (4) is fixedly connected with the movable wire connecting ring (2-6) on the fixed rolling part (2), and the other end of the connecting rope (4) sequentially penetrates through the movable rolling part (3) and the fixed rolling part (2) to be fixedly connected with a control wheel (5) fixedly arranged on a side wall;

the control wheel (5) comprises a rolling body (5-1), a limit handle (5-2) is arranged on the rolling body (5-1), the rolling body (5-1) is fixed on a wall through a threaded short shaft (5-3), and a limit block (5-4) is fixedly arranged at one end of the threaded short shaft (5-3);

the carrying lifting ring (6) comprises an isosceles lifting ring (6-1), two ends of the isosceles lifting ring (6-1) are fixedly connected with the mounting sleeve (6-2) respectively, and the carrying lifting ring (6) is movably connected with the movable rolling part (3) through the mounting sleeve (6-2);

the elastic snap ring (7) comprises a plurality of lotus spring pieces (7-1), the lotus spring pieces (7-1) are installed on the threaded connecting rod (7-2) in a central symmetry mode, and the elastic snap ring (7) is fixedly installed on the back face of the step ladder through the threaded connecting rod (7-2).

2. A method of using the universal mechanical carrier for a step ladder of claim 1, comprising the steps of:

step1: the movable rolling part (3) is controlled to move to the lowest position on the back of the step ladder through the control wheel (5) and the connecting rope (4), and the control wheel (5) is locked by utilizing the limit handle (5-2) on the control wheel (5);

step2: the carrying hanging ring (6) is separated from the elastic clamping ring (7) by force;

step3: hanging the packed and protected weight to the interface of the carrying hanging ring (6) through ropes, chains or hooks;

step4: the control wheel (5) is opened to restore the free movement state, and the movable rolling part (3) is controlled to move from the lowest position to the highest position on the back of the step ladder by rotating the control wheel (5);

step5: the heavy object is taken down from the carrying hanging ring (6);

step6: and after the first circulation is completed, moving the weight to the lower position of the back of the other Step ladder, and repeating the steps from Step1 to Step6 until the weight is conveyed to the appointed floor, thereby completing the whole conveying process.

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