CN220264975U - Overhead hoist for boiler installation - Google Patents

Abstract

The utility model discloses a lifting device for boiler installation, which comprises: the fixed plate, fixed plate one side top is provided with first motor, double-end screw rod one end and first motor output shaft, the double-end screw rod other end rotates with fixed plate opposite side top to be connected, double-end screw rod both ends threaded connection respectively has the movable plate, be provided with the second motor on the movable plate, two second motors set up relatively, be provided with first wire reel and second wire reel on the second motor output shaft, the winding has wire rope on first wire reel and the second wire reel respectively, wire rope's free end is provided with the lifting hook. The utility model aims to provide a lifting device for boiler installation, which is stable in lifting process and convenient to use.

Description

Overhead hoist for boiler installation

Technical Field

The utility model relates to the technical field of boiler installation, in particular to a lifting device for boiler installation.

Background

The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy. The boiler is usually cast by cemented carbide such as steel, and volume and weight are great, and boiler installation period is long, and when traditional boiler was installed, the overhead crane was usually used to carry out handling, and handling in-process is dangerous. In the prior art, a lifting device is usually adopted for lifting and mounting, for example, patent CN213171236U (application number: 202021418204.4) discloses a power plant boiler mounting lifting device, equipment is moved to a position right above a boiler through a universal wheel at the bottom of a supporting frame, after a lifting cable is connected to the boiler, the lifting cable is retracted through shrinkage of a lifting roller until the bottom of the boiler is separated from the ground, and a rack beam is transversely moved through cooperation of a transmission shaft on a motor and a gear set to complete movement of the boiler.

However, the power plant boiler installation overhead hoist disclosed in patent CN213171236U only uses a cable to hoist the boiler, and the boiler moves in-process and rocks easily, and the stability of boiler overhead hoist in-process is poor, easily produces the boiler condition that drops, and the overhead hoist security is low, simultaneously, the cable only can follow rack crossbeam and remove, can not adjust the cable position at will according to the size of boiler, is difficult to adapt to the different size boilers of different models, and application scope is narrow, uses inconveniently.

Disclosure of Invention

Therefore, the utility model aims to solve the problems of poor lifting stability, low safety and narrow application range of the boiler in the prior art.

The technical scheme adopted by the utility model is that the lifting device for boiler installation comprises: the fixed plate, fixed plate one side top is provided with first motor, double-end screw rod one end and first motor output shaft, the double-end screw rod other end rotates with fixed plate opposite side top to be connected, double-end screw rod both ends threaded connection respectively has the movable plate, be provided with the second motor on the movable plate, two second motors set up relatively, be provided with first wire reel and second wire reel on the second motor output shaft, the winding has wire rope on first wire reel and the second wire reel respectively, wire rope's free end is provided with the lifting hook.

Preferably, the bottom ends of the two sides of the fixing plate are respectively provided with a supporting plate, and the bottom ends of the two sides of the supporting plate are respectively provided with rollers.

Preferably, through grooves are respectively formed in two sides of the double-headed screw, and the through grooves are formed in the fixing plate.

Preferably, a guide rod is arranged above the through groove, two ends of the guide rod are fixedly connected with the fixed plate respectively, the guide rod penetrates through the movable plate, the movable plate can reciprocate left and right along the guide rod, pulleys are respectively arranged at two ends of the movable plate, and the free ends of the steel wire ropes bypass the pulleys and penetrate downwards through the through groove to be connected with the lifting hooks.

Preferably, the middle of the double-end screw rod is rotationally connected with a limiting plate in the vertical direction, and the bottom end of the limiting plate is connected with the fixed plate.

Preferably, the surface of the lifting hook is provided with a plurality of anti-skid patterns.

Preferably, the two support plates are respectively provided with a cavity, the cavities are internally provided with screws, one ends of the two screws, which are far away from each other, extend out of the cavities and are connected with the handle, one ends of the two screws, which are close to each other, extend out of the cavities and are connected with the clamping blocks, and the screws are in threaded connection with the support plates.

Preferably, the two sides of the screw rod are respectively provided with a limiting rod, one end of the limiting rod is provided with a circular plate, the other end of the limiting rod extends out of the cavity to be connected with the clamping block, the limiting rod can reciprocate in the cavity, a spring is sleeved on the limiting rod, one end of the spring is connected with the circular plate, and the other end of the spring is connected with the inner wall of one side of the cavity, which is close to the clamping block.

Preferably, the cross section of the clamping block is arc-shaped.

Preferably, a buffer pad is arranged on one side wall of the clamping block far away from the handle.

The technical scheme of the utility model has the following advantages:

according to the utility model, the wire rope and the lifting hooks move up and down through the two second motors, the two first wire reels, the two second wire reels and the four pulleys, the four lifting hooks are respectively hung around the boiler, the boiler is lifted by starting the second motors, the boiler is not easy to fall off by the supporting plate and the rollers, the moving process is stable, and the stability of boiler installation and lifting is improved.

According to the utility model, the second motor, the first wire spool and the second wire spool are regulated through the threaded transmission between the double-head screw and the moving plate, so that the positions of the steel wire rope and the lifting hook are regulated according to the size of the boiler, the coordination and the stability of the lifting of the boiler are improved, and the application range of the lifting device is enlarged.

According to the utility model, the clamping blocks are driven by the screw to move so as to clamp and fix the boiler, so that the boiler is prevented from shaking when being moved by the supporting plate and the rollers, the boiler is ensured to be lifted stably, the boiler is convenient to accurately mount at a designated position, the damage to workers in the transportation and mounting process is avoided, and the safety of the workers is improved.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view of the clamping mechanism of the present utility model;

the wire winding device comprises a 1-fixed plate, a 2-first motor, a 3-double-head screw, a 4-movable plate, a 5-second motor, a 6-first wire spool, a 7-second wire spool, an 8-wire rope, a 9-lifting hook, a 10-supporting plate, an 11-roller, a 12-through groove, a 13-guide rod, a 14-pulley, a 15-limiting plate, a 16-cavity, a 17-screw, a 18-handle, a 19-clamping block, a 20-limiting rod, a 21-circular plate and a 22-spring.

Description of the embodiments

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present utility model more apparent, preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustrating and explaining the present utility model only and are not limiting the present utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The embodiment of the utility model provides a lifting device for boiler installation, which is shown in figures 1-2 and comprises the following components: the fixed plate 1, fixed plate 1 one side top is provided with first motor 2, double-end screw rod 3 one end and first motor 2 output shaft, the double-end screw rod 3 other end rotates with fixed plate 1 opposite side top to be connected, threaded connection has movable plate 4 respectively at double-end screw rod 3 both ends, be provided with second motor 5 on the movable plate 4, two second motors 5 set up relatively, be provided with first wire reel 6 and second wire reel 7 on the second motor 5 output shaft, the winding has wire rope 8 respectively on first wire reel 6 and the second wire reel 7, the free end of wire rope 8 is provided with lifting hook 9.

The working principle of the technical scheme is as follows: when the boiler lifting device is used, the fixing plate 1 is located above the boiler, the position of the lifting hook 9 is adjusted according to the size of the boiler to be lifted, the first motor 2 is started, the double-headed screw 3 is driven to rotate, the screw threads at two ends of the double-headed screw 3 are opposite in direction, the two moving plates 4 are driven to be close to or far away from each other through screw thread transmission between the double-headed screw 3 and the moving plate 4, the two second motors 5, the two first winding disks 6 and the two second winding disks 7 are close to or far away from each other until the moving plate 4 is moved to a proper position, the second motors 5 are started, the first winding disks 6 and the second winding disks 7 are driven to rotate, the steel wire ropes 8 and the lifting hook 9 on the first winding disks 6 and the second winding disks 7 are closed, the lifting hook 9 is hung on the boiler lifting ring, the second motor 5 is reversely started, the first winding disks 6 and the second winding disks 7 are driven to reversely rotate, the steel wire ropes 8 are tightened, the boiler is lifted, and then the fixing plate 1 is moved, and the boiler is moved to a specified position.

The technical scheme has the following advantages:

according to the utility model, the wire rope and the lifting hooks move up and down through the two second motors, the two first wire reels, the two second wire reels and the four pulleys, the four lifting hooks are respectively hung around the boiler, the boiler is lifted by starting the second motors, the boiler is not easy to fall off by the supporting plate and the rollers, the moving process is stable, and the stability of boiler installation and lifting is improved.

According to the utility model, the second motor, the first wire spool and the second wire spool are regulated through the threaded transmission between the double-head screw and the moving plate, so that the positions of the steel wire rope and the lifting hook are regulated according to the size of the boiler, the coordination and the stability of the lifting of the boiler are improved, and the application range of the lifting device is enlarged.

In one embodiment, the bottom ends of the two sides of the fixed plate 1 are respectively provided with a supporting plate 10, and the bottom ends of the two sides of the supporting plate 10 are respectively provided with a roller 11.

The working principle and the beneficial effects of the technical scheme are as follows: the bottom end of the fixed plate 1 is provided with a supporting plate 10 and a roller 11 to support the fixed plate 1, so that a lifting mechanism on the fixed plate 1 is convenient for lifting the boiler; the roller 11 is used for moving the fixed plate 1, moving the fixed plate 1 to the upper part of the boiler before lifting, and moving the boiler to a proper position after lifting.

In one embodiment, through grooves 12 are respectively arranged on two sides of the double-headed screw 3, and the through grooves 12 are arranged on the fixed plate 1.

The working principle and the beneficial effects of the technical scheme are as follows: the wire rope 8 passes through the through groove 12 and extends into between the two support plates 10, and when the double-headed screw 3 drives the first wire spool 6 and the second wire spool 7 to move, the wire rope 8 is driven to move in the through groove 12, so that the wire rope 8 is convenient for transporting the boiler.

In one embodiment, a guide rod 13 is arranged above the through groove 12, two ends of the guide rod 13 are respectively and fixedly connected with the fixed plate 1, the guide rod 13 penetrates through the movable plate 4, the movable plate 4 can reciprocate left and right along the guide rod 13, two ends of the movable plate 4 are respectively provided with a pulley 14, and the free end of the steel wire rope 8 bypasses the pulley 14 and penetrates through the through groove 12 downwards to be connected with the lifting hook 9.

The working principle and the beneficial effects of the technical scheme are as follows: the guide rod 13 plays a role in limiting displacement, so that the moving plate 4 is prevented from overturning, and the moving plate 4 can only reciprocate along the guide rod 13; the pulley 14 moves along with the moving plate 4, the steel wire rope 8 bypasses the pulley 14, and the swinging of the steel wire rope 8 is limited by bypassing the pulley 14, so that the stable lifting of the boiler is ensured.

In one embodiment, a limiting plate 15 in the vertical direction is rotatably connected to the middle of the double-headed screw 3, and the bottom end of the limiting plate 15 is connected with the fixed plate 1.

The working principle and the beneficial effects of the technical scheme are as follows: limiting plate 15 is used for supporting double-end screw rod 3, prevents that double-end screw rod 3 from taking place to warp at boiler handling in-process, and limiting plate 15 plays the effect of restriction displacement simultaneously, prevents that two movable plates 4 from driving when first wire reel 6 and second wire reel 7 on it remove, and two relative second wire reels 7 bump and damage.

In one embodiment, the surface of the hook 9 is provided with several anti-skid threads.

The working principle and the beneficial effects of the technical scheme are as follows: the friction force between the lifting hook 9 and the boiler is increased, the lifting hook 9 is prevented from sliding when lifting the boiler, and the lifting stability and safety are ensured.

In one embodiment, as shown in fig. 3, two supporting plates 10 are respectively provided with a cavity 16, a screw rod 17 is arranged in the cavity 16, one end, away from each other, of the two screw rods 17 extends out of the cavity 16 to be connected with a handle 18, one end, close to each other, of the two screw rods 17 extends out of the cavity 16 to be connected with a clamping block 19, and the screw rod 17 is in threaded connection with the supporting plates 10;

limiting rods 20 are respectively arranged on two sides of the screw rod 17, a circular plate 21 is arranged at one end of each limiting rod 20, the other end of each limiting rod 20 extends out of the corresponding cavity 16 to be connected with the corresponding clamping block 19, each limiting rod 20 can reciprocate in the corresponding cavity 16, a spring 22 is sleeved on each limiting rod 20, one end of each spring 22 is connected with the circular plate 21, and the other end of each spring 22 is connected with the inner wall of one side, close to the corresponding clamping block 19, of the corresponding cavity 16.

The working principle and the beneficial effects of the technical scheme are as follows: when the lifting hook 9 lifts the boiler, the handle 18 is manually rotated to drive the screw 17 to rotate, the two screws 17 are mutually close to drive the two clamping blocks 19 to mutually close through the screw transmission between the screw 17 and the supporting plate 10, the two clamping blocks 19 clamp and fix the boiler, shaking is prevented in the transportation process after the boiler is lifted, the boiler collides with the supporting plate 10 or collides with transportation personnel, and the safety of the boiler lifting process is improved; the limiting rod 20 plays a role in limiting displacement, the clamping block 19 is prevented from rotating, the clamping block 19 can only move along the direction of the limiting rod 20, the clamping firmness of the boiler is guaranteed, the spring 22 plays a role in buffering, the clamping block 19 is tightly attached to the boiler, and the clamping and fixing effects are improved.

In one embodiment, the gripping block 19 is arcuate in cross-section; a cushion pad is provided on a side wall of the holding block 19 remote from the handle 18.

The working principle and the beneficial effects of the technical scheme are as follows: the arc-shaped clamping blocks 19 are convenient to fit and clamp the boiler, and the limiting effect of the clamping blocks 19 is improved; the buffer cushion plays a role in buffering, so that the damage of the boiler or the clamping block 19 caused by overlarge clamping force is prevented.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1. A trolley for boiler installation, comprising: fixed plate (1), its characterized in that, fixed plate (1) one side top is provided with first motor (2), double-end screw rod (3) one end and first motor (2) output shaft, the double-end screw rod (3) other end rotates with fixed plate (1) opposite side top and is connected, double-end screw rod (3) both ends are threaded connection respectively has movable plate (4), be provided with second motor (5) on movable plate (4), two second motors (5) set up relatively, be provided with first wire reel (6) and second wire reel (7) on second motor (5) output shaft, twine wire rope (8) respectively on first wire reel (6) and the second wire reel (7), the free end of wire rope (8) is provided with lifting hook (9).

2. A lifting device for boiler installation according to claim 1, characterized in that the bottom ends of both sides of the fixing plate (1) are respectively provided with a supporting plate (10), and the bottom ends of both sides of the supporting plate (10) are respectively provided with a roller (11).

3. A lifting device for boiler installation according to claim 1, characterized in that the two sides of the double-headed screw (3) are provided with through grooves (12), respectively, the through grooves (12) being provided on the fixing plate (1).

4. A lifting device for installing a boiler as claimed in claim 3, characterized in that a guide rod (13) is arranged above the through groove (12), both ends of the guide rod (13) are fixedly connected with the fixed plate (1) respectively, the guide rod (13) passes through the movable plate (4), the movable plate (4) can reciprocate left and right along the guide rod (13), pulleys (14) are respectively arranged at both ends of the movable plate (4), and the free ends of the steel wire ropes (8) bypass the pulleys (14) and pass through the through groove (12) downwards to be connected with the lifting hooks (9).

5. A lifting device for boiler installation according to claim 1, characterized in that the middle of the double-headed screw (3) is rotatably connected with a limiting plate (15) in the vertical direction, and the bottom end of the limiting plate (15) is connected with the fixing plate (1).

6. A lifting device for boiler installation according to claim 1, characterized in that the surface of the lifting hook (9) is provided with a number of anti-skid threads.

7. A lifting device for boiler installation according to claim 2, characterized in that the two support plates (10) are respectively provided with a cavity (16), the cavities (16) are internally provided with screw rods (17), one ends of the two screw rods (17) which are far away from each other extend out of the cavities (16) to be connected with the handles (18), one ends of the two screw rods (17) which are close to each other extend out of the cavities (16) to be connected with the clamping blocks (19), and the screw rods (17) are in threaded connection with the support plates (10).

8. The lifting device for boiler installation according to claim 7, wherein limiting rods (20) are respectively arranged on two sides of the screw rod (17), a circular plate (21) is arranged at one end of each limiting rod (20), the other end of each limiting rod (20) extends out of the hollow cavity (16) to be connected with the clamping block (19), the limiting rods (20) can reciprocate in the hollow cavity (16), springs (22) are sleeved on the limiting rods (20), one ends of the springs (22) are connected with the circular plate (21), and the other ends of the springs (22) are connected with the inner wall of one side, close to the clamping block (19), of the hollow cavity (16).

9. A lifting device for boiler installation according to claim 7, characterized in that the clamping blocks (19) are arc-shaped in cross section.

10. A lifting device for boiler installation according to claim 7, characterized in that a side wall of the clamping block (19) remote from the handle (18) is provided with a cushion.