CN113277436A

CN113277436A - Lifting device for constructional engineering

Info

Publication number: CN113277436A
Application number: CN202110832697.9A
Authority: CN
Inventors: 苏春锋
Original assignee: Nantong Mingren Construction Engineering Co ltd
Current assignee: Nantong Mingren Construction Engineering Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-08-20
Anticipated expiration: 2041-07-22
Also published as: CN113277436B

Abstract

The invention discloses a lifting device for constructional engineering, which comprises: the lifting device comprises a bearing shell, a lifting rope, a supporting seat and a rotating shaft which is rotatably arranged on the bearing shell, wherein a first bevel gear and a second bevel gear are fixedly connected to the rotating shaft; each first screw rod is provided with a third bevel gear and a rotating wheel, and a cam is connected to the first screw rods in a threaded manner; each stability maintaining mechanism comprises an electric push rod arranged on the surface of one side of the bearing shell, a moving block is arranged at the driving end of the electric push rod, and a fixing plate matched with the moving block is arranged on one side of the bearing shell; an adjustment mechanism. The invention can improve the stability of the material to a certain extent, prevent the material from falling from a high place and smashing workers, greatly reduce the workload of the workers, reduce the potential safety hazard and be beneficial to the personal safety of the workers.

Description

Lifting device for constructional engineering

Technical Field

The invention relates to the technical field of constructional engineering, in particular to a lifting device for constructional engineering.

Background

In present building work, when the height that needs the building is higher, in order to make the transportation building material more convenient, can use some large-scale handling equipment usually, but at the building in-process of some domestic houses, because the building height is lower relatively, can't use large-scale handling equipment transportation material, just can only artifical constantly stimulate the stay cord, carry out the handling, lead to staff's work load greatly increased to there is great potential safety hazard, be unfavorable for staff's personal safety.

Disclosure of Invention

The invention aims to solve the following defects in the prior art that the building height is relatively low, large-scale hoisting equipment cannot be used for transporting materials, and only a pulling rope can be pulled continuously manually for hoisting, so that the workload of workers is greatly increased, and the hoisting device has larger potential safety hazard and is not beneficial to the personal safety of the workers.

In order to achieve the purpose, the invention adopts the following technical scheme:

a hoist for use in construction work, the hoist comprising: the lifting device comprises a bearing shell, a lifting rope, a supporting seat and a rotating shaft which is rotatably arranged on the bearing shell, wherein a first bevel gear and a second bevel gear are fixedly connected to the rotating shaft; each first screw rod is provided with a third bevel gear and a rotating wheel, and a cam is connected to the first screw rods in a threaded manner; each stability maintaining mechanism comprises an electric push rod arranged on the surface of one side of the bearing shell, a moving block is arranged at the driving end of the electric push rod, a fixed plate matched with the moving block for use is arranged on one side of the bearing shell, each stability maintaining mechanism also comprises a moving rod fixedly connected with the moving block, a sliding groove used for the moving rod to slide left and right is formed in the bearing shell, one end, far away from the moving block, of the moving rod is fixedly connected with the fixed plate, and a sliding block used for controlling the moving block to move is arranged on the electric push rod in a sliding mode; adjustment mechanism, adjustment mechanism is including rotating the setting and being in bear the dwang on the casing, it has the diaphragm to bear transversely to install on the casing, rotate on the diaphragm be provided with the second lead screw that the dwang cooperation was used, threaded connection has on the second lead screw and is used for adjusting the fixed block of supporting seat height.

As a preferred scheme, the adjusting mechanism further comprises a fourth bevel gear fixedly mounted on the rotating rod, the rotating rod is tightly connected with the second screw rod through the fixing rod, the fixing block is symmetrically and fixedly connected with two connecting blocks, and each connecting block is far away from one end of the fixing block and fixedly connected with the supporting seat.

As a preferred scheme, a groove used for the supporting seat to slide up and down is formed in the bearing shell, and a rubber pad is fixedly connected to the inner wall of the groove.

As a preferred scheme, the fixed block is connected with two limiting blocks through two mounting rods, and each limiting block is provided with a limiting groove for preventing the lifting rope from moving in the horizontal direction.

As an optimal scheme, every equal symmetry installs two mounting panels on the supporting seat, two transversely be provided with the guide bar between the mounting panel, rotate on the guide bar install with the gyro wheel that the lifting rope cooperation was used.

Preferably, a sliding plate is arranged on one side of the fixed plate, a sliding rod for connecting the sliding plate is slidably mounted on the fixed plate, and the sliding rod is tightly connected with the fixed plate through a spring.

Compared with the prior art, the invention has the beneficial effects that:

1. the material loading device has the advantages that materials are conveyed and loaded downwards, so that the working efficiency of the conveyed materials is improved, the stability of the materials can be improved to a certain extent while the materials are conveyed, the materials are prevented from falling from a high position and hitting workers, the workload of the workers is greatly reduced, the potential safety hazard is reduced, and the personal safety of the workers is facilitated;

2. the height of the hoisting material can be adjusted according to actual requirements, so that the building material can be moved to building floors with different heights, and the practicability of the device is improved;

3. when adjusting the handling height, can maintain the stability of lifting rope, prevent that the lifting rope from taking place the removal of horizontal direction, just also prevented that the lifting rope from taking place the bending for follow-up lifting rope can not be because the bending, and the increase of wearing and tearing has certain guard action to the lifting rope.

Drawings

Fig. 1 is a schematic structural front view of a lifting device for constructional engineering, which is provided by the invention;

FIG. 2 is a schematic side view of a lifting device for construction engineering according to the present invention;

FIG. 3 is a schematic view of a portion of the enlarged structure of A in FIG. 1;

FIG. 4 is a schematic view of a portion of B in FIG. 1;

fig. 5 is a schematic perspective structure diagram of a lifting device for constructional engineering provided by the invention;

fig. 6 is a partially enlarged structural diagram of C in fig. 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-4, a trolley for use in construction work, the trolley comprising: the lifting device comprises a bearing shell 1, a lifting rope 7, a supporting seat 8 and a rotating shaft 2 which is rotatably arranged on the bearing shell 1, wherein a first bevel gear 4 and a second bevel gear 26 are fixedly connected to the rotating shaft 2; each first screw 5 is provided with a third bevel gear 15 and a rotating wheel 3, and the first screw 5 is in threaded connection with a cam 14; each stability maintaining mechanism comprises an electric push rod 23 arranged on the surface of one side of the bearing shell 1, a moving block 21 is arranged at the driving end of the electric push rod 23, a fixed plate 18 matched with the moving block 21 for use is arranged on one side of the bearing shell 1, each stability maintaining mechanism further comprises a moving rod 17 fixedly connected with the moving block 21, a sliding groove 20 used for the moving rod 17 to slide left and right is formed in the bearing shell 1, one end, far away from the moving block 21, of the moving rod 17 is fixedly connected with the fixed plate 18, and a sliding block 22 used for controlling the moving block 21 to move is arranged on the electric push rod 23 in a sliding mode; the adjusting mechanism comprises a rotating rod 24 which is rotatably arranged on the bearing shell 1, a transverse plate 11 is transversely arranged on the bearing shell 1, a second lead screw 12 which is matched with the rotating rod 24 for use is rotatably arranged on the transverse plate 11, and a fixing block 6 for adjusting the height of the supporting seat 8 is connected to the second lead screw 12 in a threaded manner.

When the cam 14 fixedly connected to the first lead screw 5 rotates to extrude the sliding block 22, after the sliding block 22 slides, the switch of the electric push rod 23 is turned on, the electric push rod 23 drives the fixedly connected moving block 21 to horizontally move, and under the transmission action of the moving block 21, the moving rod 17 fixedly connected to the moving block 21 slides in the sliding groove 20, so that the fixed plate 18 fixedly connected to the moving rod 17 moves towards the direction close to the lifting material, when the lifting material horizontally shakes greatly in the moving process, the fixed plate 18 can block the lifting material, the shaking of the material is reduced, and the stability in material transportation is facilitated.

The adjusting mechanism further comprises a fourth bevel gear 27 fixedly installed on the rotating rod 24, the rotating rod 24 is tightly connected with the second screw rod 12 through a fixing rod 25, two connecting blocks 13 are symmetrically and fixedly connected on the fixing block 6, one end of each connecting block 13, far away from the fixing block 6, is fixedly connected with the supporting seat 8, a groove for the supporting seat 8 to slide up and down is formed in the bearing shell 1, a rubber pad is fixedly connected on the inner wall of the groove, when the rotating rod 24 rotates under the transmission action of the fourth bevel gear 27, the fixing block 6 can move in the vertical direction due to the threaded connection of the fixing rod 25 and the rotating rod 24 as well as the second screw rod 12, the second screw rod 12 can also rotate simultaneously, the two ends of the connecting blocks 13 are respectively connected with the fixing block 6 and the supporting seat 8, and the supporting seat 8 can slide in the groove of the bearing shell 1, thereby can prevent that fixed block 6 from rotating, supporting seat 8 along with fixed block 6 takes place to remove the back in the vertical, just can adjust the height that lifting rope 7 removed the material.

Fixed block 6 is connected with two stoppers 16 through two installation poles, all offer the spacing groove 19 that is used for preventing 7 horizontal directions of lifting rope from removing on every stopper 16, because installation pole one end and 6 fixed connection of fixed block, the other end and stopper 16 fixed connection, stopper 16 is when taking place to remove along with fixed block 6, spacing groove 19 on the stopper 16 will take place relative slip with lifting rope 7, thereby can prevent lifting rope 7 at the in-process of height-adjusting, take place crooked, equal symmetrical two mounting panels 9 of installing on every supporting seat 8, transversely be provided with the guide bar between two mounting panels 9, rotate on the guide bar and install the gyro wheel 10 that uses with lifting rope 7 cooperation, because it has set up gyro wheel 10 to rotate between two mounting panels 9 on the supporting seat 8, gyro wheel 10 makes lifting rope 7 at the in-process of transferring the material, it is more smooth and easy to remove.

When the material needs to be transported to the roof of the building, the switch of the servo motor arranged on the bearing shell 1 is opened, because one end of the rotating shaft 2 is fixedly connected with the driving end of the servo motor, under the driving action of the servo motor, a first bevel gear 4 fixedly connected with the rotating shaft 2 is driven to rotate, and the second bevel gear 26, the two third bevel gears 15, which are in meshed connection with the first bevel gear 4, are rotated simultaneously in opposite directions, under the transmission action of the third bevel gear 15, the first screw rod 5 and the bearing shell 1 can rotate relatively, the rotating wheel 3 clamped on the first screw rod 5 rotates, so that the lifting ropes 7 wound on the two rotating wheels 3 are pulled, recovered, therefore, one lifting rope 7 pulls the material to rise, and the other lifting rope 7 descends to load the material, so that the efficiency of conveying the material can be improved;

when the first screw rod 5 rotates, the cam 14 in threaded connection with the first screw rod 5 horizontally moves and rotates, when the cam 14 starts to rotate, the sliding block 22 is extruded to slide the sliding block 22, the switch on the electric push rod 23 is opened to move the moving block 21 fixedly connected with the driving end of the electric push rod 23, under the transmission action of the moving block 21, the moving rod 17 slides in the sliding groove 20, the fixed plate 18 fixedly connected with the moving rod 17 moves towards the direction close to the lifting box containing the materials, the surface of the fixed plate 18 is close to the side wall of the lifting box, when the lifting box horizontally shakes in the moving process, the shaking of the lifting box can be reduced, the lifting materials are more stable, the lifting materials are prevented from falling due to shaking, and the personal safety of workers below is facilitated, after the material is transported once, the cam 14 presses the once sliding block 22 again, so that the moving block 21 and the fixed plate 18 return to the initial position, and the material is convenient to take out;

when materials are hoisted on building floors with different heights, as the hoisting rope 7 is wound on the rotating wheel 3 and is long enough, the hoisting rope 7 is adjusted to be proper in length, the rotating wheel 3 is not clamped with the first screw rod 5 any more, then the fixed rod 25 simultaneously penetrates through the rotating rod 24 and the second screw rod 12 and is clamped with the rotating rod, then the switch of the servo motor is turned on, the second bevel gear 26 fixedly connected with the rotating shaft 2 rotates, as the fourth bevel gear 27 is meshed with the second bevel gear 26, the rotating rod 24 and the second screw rod 12 simultaneously rotate under the transmission action of the fourth bevel gear 27, the fixing block 6 in threaded connection on the second screw rod 12 moves in the vertical direction, as one end of the connecting block 13 is fixedly connected with the fixing block 6, the other end is fixedly connected with the supporting seat 8, and the groove limits the rotation of the supporting seat 8, therefore, the fixed block 6 and the supporting seat 8 only move in the vertical direction, the height of the supporting seat 8 can be adjusted, and materials can be conveniently conveyed to floors with different heights by the lifting rope 7;

in the vertical removal of fixed block 6, two stopper 16 that connect through the installation pole on the fixed block 6 also can move simultaneously, spacing groove 19 on the stopper 16 will take place relative movement with lifting rope 7, because the width of spacing groove 19 slightly is greater than lifting rope 7's diameter, thereby can prevent when height-adjusting, lifting rope 7 takes place crooked, it is more stable when guaranteeing follow-up lifting rope 7 handling material, do not need the artifical constantly to stimulate the stay cord to transport the material, greatly reduced staff's work load, and also greatly reduced is hidden danger, be favorable to staff's personal safety.

Example two

Referring to fig. 5-6, on the basis of the above design structure, one side of the fixed plate 18 is provided with a sliding plate 30, the fixed plate 18 is slidably provided with a sliding rod 28 for connecting the sliding plate 30, the sliding rod 28 is tightly connected with the fixed plate 18 through a spring 29, when the fixed plate 18 is close to a lifting box for lifting materials, the sliding plate 30 arranged on the fixed plate 18 is closer to the lifting box, when the lifting box shakes in the horizontal direction, the sliding plate 30 is pressed, the sliding rod 28 fixedly connected with the sliding plate 30 slides relative to the fixed plate 18 under the action of external force, because one end of the spring 29 is fixedly connected with the sliding rod 28 and the other end is fixedly connected with the fixed plate 18, the spring 29 deforms while the sliding rod 28 slides, and the shaking of the lifting box can be slowed down under the action of the spring 29, so that the materials in the lifting box are more stable, thereby preventing the material in the lifting box from falling and pounding the staff below, and being beneficial to the personal safety of the staff.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A overhead hoist for building engineering, characterized in that, the overhead hoist includes:

the lifting device comprises a bearing shell (1), a lifting rope (7), a supporting seat (8) and a rotating shaft (2) rotatably mounted on the bearing shell (1), wherein a first bevel gear (4) and a second bevel gear (26) are fixedly connected to the rotating shaft (2);

each first screw rod (5) is provided with a third bevel gear (15) and a rotating wheel (3), and the first screw rods (5) are in threaded connection with a cam (14);

each stability maintaining mechanism comprises an electric push rod (23) arranged on the surface of one side of the bearing shell (1), a moving block (21) is arranged at the driving end of the electric push rod (23), a fixing plate (18) matched with the moving block (21) for use is arranged on one side of the bearing shell (1), each stability maintaining mechanism further comprises a moving rod (17) fixedly connected with the moving block (21), a sliding groove (20) used for enabling the moving rod (17) to slide left and right is formed in the bearing shell (1), one end, far away from the moving block (21), of the moving rod (17) is fixedly connected with the fixing plate (18), and a sliding block (22) used for controlling the moving block (21) to move is arranged on the electric push rod (23) in a sliding mode;

adjustment mechanism, adjustment mechanism is including rotating the setting and being in dwang (24) on bearing casing (1), transverse mounting has diaphragm (11) on bearing casing (1), rotate on diaphragm (11) be provided with dwang (24) second lead screw (12) that the cooperation was used, threaded connection has on second lead screw (12) is used for adjusting fixed block (6) of supporting seat (8) height.

2. The overhead hoist for building engineering of claim 1, characterized in that the adjusting mechanism further comprises a fourth bevel gear (27) fixedly mounted on the rotating rod (24), the rotating rod (24) is tightly connected with the second screw rod (12) through a fixing rod (25), two connecting blocks (13) are symmetrically and fixedly connected to the fixing block (6), and one end of each connecting block (13) far away from the fixing block (6) is fixedly connected with the supporting seat (8).

3. The lifting device for building engineering as claimed in claim 1, wherein the bearing shell (1) is provided with a groove for the supporting seat (8) to slide up and down, and a rubber pad is fixedly connected to the inner wall of the groove.

4. The lifting device for building engineering as claimed in claim 1, wherein the fixed block (6) is connected with two limit blocks (16) through two mounting rods, and each limit block (16) is provided with a limit groove (19) for preventing the lifting rope (7) from moving in the horizontal direction.

5. The lifting device for building engineering as claimed in claim 1, characterized in that each support seat (8) is symmetrically provided with two mounting plates (9), a guide bar is transversely arranged between the two mounting plates (9), and the guide bar is rotatably provided with a roller (10) matched with the lifting rope (7).

6. The overhead hoist for building engineering according to claim 1, characterized in that a sliding plate (30) is arranged on one side of the fixed plate (18), a sliding rod (28) for connecting the sliding plate (30) is slidably mounted on the fixed plate (18), and the sliding rod (28) is tightly connected with the fixed plate (18) through a spring (29).