A fixed-point hoisting and conveying device for masonry work
By designing a fixed-point hoisting and conveying device, and utilizing a combination of support frame, winch and guide bracket, continuous hoisting without professional personnel is achieved in the construction of low-rise buildings. This solves the problems of low nighttime operation capability and driver shortage in existing technologies, and improves construction efficiency and safety.
Patent Information
- Application Number
- CN202111624761.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-12-28
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2041-12-28
AI Technical Summary
In the construction of low-rise buildings, existing hoisting equipment such as truck cranes and tower cranes are affected by light and the driver's condition when operating at night, resulting in low continuous operation capacity and the need for professional drivers, which leads to discontinuous construction, safety hazards and personnel shortages.
A fixed-point hoisting and transporting device for masonry engineering has been designed, including a support frame, a winch, a guide bracket and a suspension hoist. It realizes fixed-point hoisting of items through a steel wire rope and pulley system. It is simple to operate and suitable for continuous construction operations that do not require professional personnel.
It enables continuous hoisting without the need for professional personnel, improving construction efficiency and ensuring construction safety and stability, making it particularly suitable for the initial construction of low-rise and high-rise buildings.
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Figure CN114291746B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of building construction, and particularly relates to a fixed-point hoisting and conveying device for masonry engineering. BACKGROUND
[0002] In the construction process of low floors, the transportation of materials such as bricks, steel bars, formworks and steel materials is mostly completed by using a truck crane, and a tower crane is used for construction when the floor reaches a certain height; for low-rise buildings such as villas and sports centers, a truck crane is the main force, and the truck crane is flexible and convenient to use, but when working at night, it is affected by light and the state of the driver, and has low continuous operation capacity, and safety accidents are prone to occur during rush construction; whether a tower crane or a truck crane is used for low-rise buildings, the transportation of materials needs to rely on the operation technology of the driver, so professional drivers are needed, but there are limited professional personnel, and the "people waiting for things" phenomenon exists when the drivers are on shift or on rest, which is not conducive to the continuous and efficient operation of construction. SUMMARY
[0003] The purpose of the present application is to provide a fixed-point hoisting and conveying device for masonry engineering to solve the problems in the prior art; the device does not need to be operated by professional personnel, and can continuously perform construction work, which is beneficial to improving construction efficiency.
[0004] To achieve the above purpose, the technical solution adopted by the present application is:
[0005] A fixed-point hoisting and conveying device for masonry engineering, comprising:
[0006] a support frame comprising a stand and a triangular fixing frame arranged on one side of the stand;
[0007] a winch fixed on the ground foundation and located on one side of the stand; the winch comprises a steel wire rope, both ends of the steel wire rope are wound on the winch in opposite directions, and the steel wire rope forms an open ring shape;
[0008] a guide bracket comprising a first pulley frame arranged on the ground foundation and located between the winch and the stand, a second pulley frame arranged on the stand, and a third pulley frame arranged on the triangular fixing frame;
[0009] a suspension hoist installed on the steel wire rope of the winch;
[0010] The steel wire rope cooperates with the first pulley frame, the second pulley frame and the third pulley frame and is tensioned, and when the winch is started, the steel wire rope drives the suspension hoist to move along the straight line track formed after the steel wire rope is tensioned.
[0011] Further, the second pulley frame comprises a transverse support rod vertically arranged on one side of the stand, a horizontal shaft arranged on one end of the transverse support rod, a sleeve shaft connected to the horizontal shaft, two discs arranged on the outer circumference of the sleeve shaft and spaced apart, a plurality of U-shaped groove pulley bodies arranged between the discs and evenly distributed in the circumferential direction of the sleeve shaft, and a first reversing pulley arranged on the transverse support rod; an arc-shaped clamping groove is arranged between adjacent U-shaped groove pulley bodies on the disc, and the center of the arc-shaped clamping groove is concentric with the center of the U-shaped groove pulley body.
[0012] Further, the suspension lifting tool comprises a cylindrical rod fixedly connected with the steel wire rope, a hook-shaped connecting rod arranged on one end of the cylindrical rod, and a lifting hook arranged on the lower end of the connecting rod; the axis of the cylindrical rod and the axis of the steel wire rope are cross-shaped, and the lower end of the hook-shaped connecting rod is located on the vertical line drawn from the intersection point of the axis of the cylindrical rod and the axis of the steel wire rope.
[0013] Further, the first pulley frame comprises a support, two second reversing pulleys arranged side by side and spaced apart on the support, and a third reversing pulley arranged on the support and having a longitudinal axis.
[0014] Further, the third pulley frame comprises a connecting frame, a fourth reversing pulley arranged on the lower side of the connecting frame and having a longitudinal axis, and two fifth reversing pulleys arranged on the connecting frame on one side of the fourth reversing pulley.
[0015] Further, the triangular fixing frame comprises a first inclined rod hingedly connected to the top end of the stand, a second inclined rod hingedly connected to the other end of the first inclined rod, and a clamping groove frame arranged on the stand and arranged in the longitudinal direction; a plurality of grooves are arranged on the clamping groove frame in the longitudinal direction, and the free end of the second inclined rod is matched with the grooves.
[0016] Further, the stand comprises a fixed column, a rotating sleeve shaft fitted on the fixed column and rotatable in the circumferential direction, and a main rod body connected with the rotating sleeve shaft and composed of a plurality of short section column bodies connected by flanges; the fixed column is conical, the rotating sleeve shaft is provided with a conical sleeve matched with the fixed column, the rotating sleeve shaft is provided with a jackscrew, and the jackscrew acts on the fixed column.
[0017] The beneficial effects of the present application are:
[0018] 1. The present application is based on a hoist to realize the lifting work; on the basis of the existing hoist, the support frame and the guide bracket are matched to realize the support and tension of the steel wire rope on the hoist; the suspension lifting appliance is connected with the steel wire rope; when the hoist controls the movement of the steel wire rope, the steel wire rope drives the suspension lifting appliance to move along the rope track formed after the tension of the steel wire rope, and the suspension lifting appliance can lift the goods from low place to high place and transport to the designated place; only the start and stop of the hoist need to be controlled in the whole lifting process, which is simple and convenient to operate; since there is no operation difficulty and it is a fixed point delivery, it is safe and stable to use, which is beneficial to continuous construction operation; it is especially suitable for low-rise building or high-rise building initial construction application;
[0019] 2. In the structural design, the suspension lifting appliance and the second pulley frame are specially designed, so that the disturbance to the suspension lifting appliance is reduced during the interaction of the suspension lifting appliance and the second pulley frame, and the transportation is more stable and safe;
[0020] 3. The structural design of the triangular fixed frame in the present application is beneficial to realize the height adjustment of the suspension lifting appliance from the unloading place, and the column can realize small amplitude adjustment of the transverse unloading position of the suspension lifting appliance in the structural design, which is high in flexibility in use. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a structural schematic diagram of the present application;
[0022] Figure 2 It is a top view structural schematic diagram of the present application;
[0023] Figure 3 It is another view structural schematic diagram of the suspension lifting appliance in the present application;
[0024] Figure 4 It is another view structural schematic diagram of the clamping groove frame in the present application;
[0025] Figure 5 It is a demonstration schematic diagram of the cooperation process of the suspension lifting appliance and the second pulley frame in the present application.
[0026] Among them, 1 is a support frame; 2 is a hoist; 3 is a guide bracket; 4 is a suspension lifting appliance; 5 is a fixed column; 6 is a rotating sleeve; 7 is a main rod body; 8 is a conical sleeve; 9 is a top wire; 10 is a first inclined rod; 11 is a second inclined rod; 12 is a clamping groove frame; 13 is a steel wire rope; 14 is a support; 15 is a second reversing pulley; 16 is a third reversing pulley; 17 is a transverse support rod; 18 is a horizontal shaft; 19 is a sleeve; 20 is a disc; 21 is a U-shaped groove pulley body; 22 is a first reversing pulley; 23 is an arc-shaped clamping groove; 24 is a connecting frame; 25 is a fourth reversing pulley; 26 is a fifth reversing pulley; 27 is a cylindrical rod; 28 is a hook-shaped connecting rod; 29 is a lifting hook. DETAILED DESCRIPTION
[0027] The preferred embodiments of the present application are described below with reference to the accompanying drawings.
[0028] As shown in Figure 1 and 5 , a kind of fixed-point hoisting conveying device for masonry engineering;The device includes support frame 1, winch 2, guide bracket 3 and suspension spreader 4;Support frame 1 and guide bracket 3 cooperate for the reversing of wire rope 13 on winch 2, tensioning, so that wire rope 13 can form an effective transport track;Suspension spreader 4 is connected with wire rope 13 to realize the hoisting of goods;Winch 2 is used to control wire rope 13 to move back and forth.
[0029] Support frame 1 includes a column and a triangular fixed frame provided on one side of the column. The column includes a fixed column 5, a rotating sleeve 6 and a main rod body 7. The fixed column 5 is fixed at the bottom end of the cement foundation in a conical shape. The rotating sleeve 6 is provided with a conical sleeve 8 adapted to the fixed column 5 on the inner side. A self-lubricating bearing can be provided between the conical sleeve 8 and the fixed column 5 to facilitate the relative rotation of each other. A jackscrew 9 is provided on the rotating sleeve 6 and acts on the fixed column 5 while avoiding the lubricating bearing. The relative fixation of the conical sleeve 8 and the fixed column 5 can be achieved through the jackscrew 9. The main rod body 7 is composed of a plurality of short section columns connected by flanges. This structure design is conducive to adjusting the overall height of the column. The triangular fixed frame includes a first inclined rod 10, a second inclined rod 11 and a clamping groove frame 12. The first inclined rod 10 is hingedly connected to the top end of the column by inserting a pin shaft at one end. The first inclined rod 10 can be flipped up and down. The second inclined rod 11 is hingedly connected to the other end of the first inclined rod 10 by inserting a pin shaft. The second inclined rod 11 can also be flipped up and down. The clamping groove frame 12 is longitudinally arranged. A plurality of longitudinally spaced grooves are provided on the clamping groove frame 12. The free end of the second inclined rod 11 can be inserted into the grooves.
[0030] The winch 2 is fixed on the ground foundation and located on one side of the column. The winch 2 includes a wire rope 13. The wire rope 13 is wound on the reel of the winch 2 at both ends in opposite directions and forms an open ring shape. When the reel is driven by the motor of the winch 2, one end of the wire rope 13 is unwound and the other end is wound to maintain the ring structure.
[0031] The guide bracket 3 includes a first pulley bracket, a second pulley bracket and a third pulley bracket. The first pulley bracket is arranged on the ground foundation and located between the winch 2 and the column. The first pulley bracket shares the cement foundation used by the winch 2. The first pulley bracket is used to guide the wire rope 13 near the winch 2. The second pulley bracket is arranged on the main rod body 7 of the column. The second pulley bracket is used to reverse the wire rope 13 at a high place. It is also used in structure to cooperate with the suspension spreader 4 to reduce the disturbance when the suspension spreader 4 moves to this place. The third pulley bracket is arranged on the second inclined rod 11 of the triangular fixed frame. The third pulley bracket is used to stabilize and guide the wire rope 13 at the end.
[0032] Specifically, the first pulley frame comprises a support 14, a second reversing pulley 15 and a third reversing pulley 16; the support 14 is fixed on the cement foundation; the second reversing pulley 15 is provided with two pulleys each adopting a U-shaped groove structure; the two second reversing pulleys 15 are arranged side by side and at intervals, and are used in cooperation with the two steel wire ropes 13; the third reversing pulley 16 is arranged transversely, and its axis is arranged longitudinally; the third reversing pulley 16 is used to avoid interference of the two steel wire ropes 13 on the drum of the winch 2.
[0033] Specifically, the second pulley frame comprises a transverse support 17, a horizontal shaft 18, a sleeve 19, a disc 20, a U-shaped groove pulley body 21 and a first reversing pulley 22; the transverse support 17 is vertically arranged on one side of the stand column, and can avoid the stand column when the suspended lifting appliance 4 hoists the articles; the horizontal shaft 18 is arranged at the end of the transverse support 17; the sleeve 19 is sleeved on the horizontal shaft 18 and is provided with a sliding bearing between the sleeve 19 and the horizontal shaft 18; the disc 20 is arranged on the outer circumference of the sleeve 19 and is arranged at intervals; the U-shaped groove pulley body 21 is hingedly connected between the discs 20 and is circumferentially arranged at intervals with respect to the axis of the sleeve 19; the arc-shaped clamping grooves 23 are arranged between the adjacent U-shaped groove pulley bodies 21 on the disc 20, and the centers of the arc-shaped clamping grooves 23 and the centers of the U-shaped groove pulley bodies 21 are concentric; the first reversing pulley 22 is arranged on the transverse support 17; such a structure design can support one steel wire rope 13 which is not connected with the suspended lifting appliance 4 by the first reversing pulley 22, and the structure composed of the sleeve 19, the disc 20 and the U-shaped groove pulley body 21 is used to cooperate with the suspended lifting appliance 4, and reduces the disturbance caused by the cooperation, so that the hoisting is more stable.
[0034] Specifically, the third pulley frame comprises a connecting frame 24, a fourth reversing pulley 25 and a fifth reversing pulley 26; the connecting frame 24 is hingedly connected to the second inclined rod 11 and can rotate circumferentially; the fourth reversing pulley 25 is arranged on the lower side of the connecting frame 24 and has a longitudinal axis, and is used for reversing the steel wire rope 13 at the end of the second inclined rod 11; the fifth reversing pulley 26 is arranged on the connecting frame 24 on one side of the fourth reversing pulley 25, and is provided with two fifth reversing pulleys 26 which are used to prevent the steel wire rope 13 from falling off.
[0035] The hanging hanger 4 is installed on the wire rope 13 of the winch 2; specifically, the hanging hanger 4 comprises a cylindrical rod 27, a hook-shaped connecting rod 28 and a hook 29; the axis of the cylindrical rod 27 is cross-shaped with the axis of the wire rope 13, and the length of the cylindrical rod 27 is greater than the width of the two discs 20; the hook-shaped connecting rod 28 is arranged at one end of the cylindrical rod 27, and the lower end of the hook-shaped connecting rod 28 is located on the vertical line drawn from the intersection point of the axis of the cylindrical rod 27 and the axis of the wire rope 13; the cylindrical rod 27 shaft cooperates with the arc-shaped clamping groove 23 and can drive the disc 20 to rotate, thereby enabling the hanging hanger 4 to pass through the second pulley frame and remain stable. After the wire rope 13 cooperates with the first pulley frame, the second pulley frame and the third pulley frame, the wire rope 13 is tensioned, the wire rope 13 drives the hanging hanger 4 to move along the straight track formed after the wire rope 13 is tensioned after the winch 2 is started, thereby realizing the transportation of the articles; the hanging hanger 4 is preferably used in cooperation with a manual hoist.
[0036] The working process and principle of the present application are as follows:
[0037] The hook 29 of the hanging hanger 4 can be connected with a sling or a manual hoist; after the winch 2 is started, the motor on the winch 2 drives the winding drum to rotate, and during the rotation of the winding drum, one of the two wire ropes 13 formed moves outward, and the other wire rope 13 is wound on the winding drum; the outward moving wire rope 13 drives the hanging hanger 4 to move from a low place to a high place, and during the movement, when the second pulley frame is encountered, the cylindrical rod 27 is clamped in the arc-shaped groove of the disc 20 and drives the sleeve 19 on the horizontal shaft 18 to rotate through the disc 20, the cylindrical rod 27 moves from one side of the disc 20 to the other side and then is separated from the arc-shaped groove, and during the process, since the center of the arc-shaped clamping groove 23 and the center of the U-shaped groove pulley body 21 are concentric, the jumping amplitude of the axis of the cylindrical rod 27 in the longitudinal direction is small, which can reduce the instantaneous jumping amplitude of the hanging hanger 4 in the longitudinal direction, thereby making the operation more stable; the hook-shaped connecting rod 28 arranged on the hanging hanger 4 in the structure can avoid interference between the hook 29 and the components of the horizontal shaft 18, the sleeve 19, the disc 20 and the U-shaped groove pulley body 21; after the articles are lifted to the other side of the disc 20, the winch 2 can be controlled to be closed according to the needs, and the workers can selectively unload the articles into the straight line area between the disc 20 and the third pulley frame, and when unloading the articles, the manual hoist is operated to realize the unloading. When it is needed to lower or raise the longitudinal height of the unloading place, the first inclined rod 10 can be lifted, the second inclined rod 11 is separated from the clamping groove frame 12, then the first inclined rod 10 and the second inclined rod 11 are flipped up and down, and the second inclined rod 11 cooperates with the grooves at different positions on the clamping groove frame 12, so that the longitudinal height of the third pulley frame from the unloading place is changed, and the wire rope 13 can be adjusted on the winding drum to make the wire rope 13 in a moderate tension state. When it is needed to control the triangular fixing frame to be laterally deflected, the top screw 9 is loosened, the second inclined rod 11 is manually pushed to the appropriate position, then the top screw 9 is loosened, and at this time, the whole column is fixed.
Claims
1. A fixed-point hoisting and conveying device for masonry engineering, characterized in that, include: A support frame includes a column and a triangular fixing bracket on one side of the column. The column includes a fixed column, a rotating sleeve fitted onto the fixed column and rotatable circumferentially, and a main rod connected to the rotating sleeve and composed of multiple short column sections connected by flanges. The fixed column is tapered, and the rotating sleeve has a tapered sleeve adapted to the fixed column. The rotating sleeve has a set screw that acts on the fixed column. The triangular fixing bracket includes a first diagonal bar hinged at one end to the top of the column, a second diagonal bar hinged at the other end of the first diagonal bar, and a main rod on the column. A longitudinally arranged slot frame; the slot frame has multiple longitudinally spaced grooves, and the free end of the second diagonal rod engages with the groove; a winch, fixed to the ground foundation and located on one side of the column; it includes a wire rope, the two ends of which are wound in opposite directions on a reel to form an open loop shape; a guide bracket, including a first pulley bracket located on the ground foundation between the winch and the column, a second pulley bracket on the column, and a third pulley bracket on a triangular fixing bracket; the second pulley bracket includes a vertically arranged section on one side of the column. A transverse support rod, a transverse shaft at one end of the transverse support rod, a sleeve hinged to the transverse shaft, two discs spaced apart on the outer circumference of the sleeve, multiple U-shaped groove pulleys hinged between the discs and evenly distributed circumferentially relative to the sleeve's axis, and a first reversing pulley on the transverse support rod; an arc-shaped groove is provided between adjacent U-shaped groove pulleys on the discs, the center of the arc-shaped groove being concentric with the center of the U-shaped groove pulley; a suspension device is mounted on the wire rope of the winch; the suspension device includes a cylindrical rod fixedly connected to the wire rope, and a... The system includes a hook-shaped connecting rod and a hook located at the lower end of the connecting rod. The axis of the cylindrical rod intersects the axis of the wire rope in a cross shape. The lower end of the hook-shaped connecting rod is located on the vertical line drawn from the intersection of the axis of the cylindrical rod and the axis of the wire rope. The cylindrical rod axis engages with the arc-shaped groove and can drive the disc to rotate, thereby allowing the suspension device to pass through the second pulley frame and remain stable. The wire rope engages with and is tensioned by the first pulley frame, the second pulley frame, and the third pulley frame. When the winch is started, the wire rope drives the suspension device to move along the straight trajectory formed by the tensioned wire rope. The first pulley frame includes a bracket, two second reversing pulleys arranged side by side and spaced apart on the bracket, and a third reversing pulley arranged longitudinally on the bracket with the wheel axis line; The third pulley frame includes a connecting frame, a fourth reversing pulley located on the lower side of the connecting frame and arranged longitudinally along the wheel axis, and two fifth reversing pulleys located on one side of the fourth reversing pulley and on the connecting frame. The first reversing pulley supports a steel wire rope that is not connected to the suspension device. The structure consisting of a sleeve, a disc, and a U-groove pulley body is used to cooperate with the suspension device.
Citation Information
Patent Citations
mountain lift.
CH192742A
transportable conveying device for building materials, in particular bricks.
CH285892A
Light-small type splicable obstacle avoidance hoisting equipment
CN106629416A
Power-sharing variable-amplitude crane boom
CN203938395U
High-rise rooftop cableway type rescue device
CN211068811U