CN220264961U - Lifting appliance for heat treatment of bar - Google Patents

Abstract

The utility model relates to the technical field of lifting appliances, in particular to a lifting appliance for heat treatment of bars, which comprises a lifting column, wherein the upper end of the lifting column is fixedly connected with a lifting ring, the lower end of the lifting column is fixedly connected with a length device, the lower end of the lifting column is slidably connected with a connecting column, the lower part of the outer surface of the connecting column is fixedly connected with four fixing plates, and the outer sides of the four fixing plates are fixedly provided with clamping devices. According to the lifting appliance for the heat treatment of the bar, the length of the lifting appliance can be freely adjusted through the length device, so that the requirement on the length of the lifting appliance under different heat treatment environments of the bar is met, the application range of the lifting appliance for the heat treatment of the bar is improved, the bar is clamped by the clamping device, the bar is clamped by the clamping column and the bar in an increasingly fastened mode under the condition that the bar is heavier, the stability of clamping the bar is improved, the bar can be unloaded easily after the heat treatment is finished, and the processing efficiency of replacing the bar is improved.

Description

Lifting appliance for heat treatment of bar

Technical Field

The utility model relates to the technical field of lifting appliances, in particular to a lifting appliance for heat treatment of bars.

Background

The lifting appliance refers to a device for lifting a heavy object in lifting machinery, and is widely applied to the lifting industry. When parts such as metal are subjected to heat treatment, certain heavier workpieces such as bar materials such as core rods, steel pipes and the like are required to be hung into heat treatment equipment through a lifting appliance, and the use process of the lifting appliance for heat treatment of the existing bars has at least the following defects:

1. the existing lifting appliance is inconvenient to rapidly limit and fix bars, is complex in operation, low in working efficiency and poor in stability, and can easily shake and separate during lifting, so that safety is greatly affected.

2. The length of the existing lifting appliance is fixed, when the bars face different heat treatment modes, the lifting appliance with uniform length is inconvenient to carry out a specific bar heat treatment process, and therefore, the lifting appliance for bar heat treatment is provided.

Disclosure of Invention

The utility model mainly aims to provide a lifting appliance for heat treatment of bars, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the lifting appliance for heat treatment of the bar comprises a lifting column, wherein the upper end of the lifting column is fixedly connected with a lifting ring, square grooves are formed in the left side and the right side of the lower end of the lifting column, a length device is fixedly arranged at the lower end of the lifting column, a connecting column is connected at the lower end of the lifting column in a sliding manner, four fixing plates are fixedly connected to the lower part of the outer surface of the connecting column, and clamping devices are fixedly arranged on the outer sides of the four fixing plates;

preferably, the clamping device comprises a fixed pipe sleeve, the fixed pipe sleeve is fixedly connected to the outer side of the fixed plate, and sliding grooves are formed in the left side and the right side of the upper portion of the fixed pipe sleeve.

Preferably, two equal swing joint has the slider in the sliding tray, two equal swing joint in the middle part of slider has the handle, and the opposite end of two handles link up the slider and fixedly connected with installation piece, two equal fixedly connected with spring of opposite end of slider and two springs are all cup jointed in the outside of handle, two equal fixedly connected with anti-skidding arc board of opposite end of spring, two equal fixedly connected with anti-skidding arc board of opposite end of installation piece, two both sides all have three connecting rod through bearing swing joint around the installation piece, are located six of homonymy the outside of connecting rod all has the fixed block through pivot swing joint, two fixed block all with fixed pipe sleeve internal surface on the left and right sides opposite end fixed connection.

Preferably, the four clamping devices are arranged in an annular array with the fixing plate as the center.

Preferably, the length device comprises a mounting seat, the mounting seat is fixedly connected to the lower end of the hanging column, a through movable groove is formed in the left side and the right side of the mounting seat, two thread handles are connected to the left side and the right side of the mounting seat in a threaded mode, and anti-slip clamping plates are connected to the opposite ends of the thread handles in a movable mode.

Preferably, the size of the anti-slip clamp plate is matched with the square groove, and the connecting column is connected with the hanging column in an clamping mode through the length device.

Compared with the prior art, the utility model has the following beneficial effects:

1. through setting up clamping device, the thrust of spring can make the firm grip of anti-skidding arc board hold the rod, utilizes the gravity of rod self to make the firm grip of anti-skidding arc board hold the rod, and the greater the rod weight, the frictional force between rod and the anti-skidding arc board just is big, and the grip just is more stable, just can loosen the rod when needs uninstallation rod only need pulling handle, has made things convenient for the change to the rod, improves heat treatment's efficiency, is provided with four clamping device, can carry out the centre gripping to four rods simultaneously, has improved the efficiency of rod heat treatment.

2. Through setting up length means, can the slip joint post after rotatory screw thread handle can loosen anti-skidding splint, can adjust the length of this hoist after loosening anti-skidding splint, can adjust into suitable length rotatory screw thread handle and let the firm grip joint post of anti-skidding splint in the face of specific rod thermal treatment to let the thermal treatment that this hoist is fit for the rod more, improve the range of application of this hoist.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a lifting appliance for heat treatment of bars;

fig. 2 is a schematic view of a part of the structure of a lifting appliance for heat treatment of a bar material;

fig. 3 is a schematic diagram of the whole structure of a clamping device of a lifting appliance for heat treatment of bars;

fig. 4 is a schematic view of a part of the structure of a clamping device of a lifting appliance for heat treatment of bars according to the present utility model;

fig. 5 is a schematic diagram of the overall structure of a length device of a lifting appliance for heat treatment of bars.

In the figure: 1. a hanging column; 2. a hanging ring; 3. a length device; 4. a connecting column; 5. a clamping device; 6. a fixing plate; 7. a square groove; 51. a fixed pipe sleeve; 52. a sliding groove; 53. a handle; 54. a slide block; 55. a spring; 56. an anti-slip arc plate; 57. a fixed block; 58. a connecting rod; 59. a mounting block; 31. a mounting base; 32. a threaded shank; 33. an anti-slip clamping plate; 34. a movable groove.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present 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 relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, the present utility model provides a technical solution:

lifting appliance for heat treatment of bars, lifting ring 2 is fixedly connected to the upper end of lifting column 1, square grooves 7 are formed in the left side and the right side of the lower end of lifting column 1, length device 3 is fixedly arranged at the lower end of lifting column 1, connecting column 4 is slidingly connected to the lower end of lifting column 1, four fixing plates 6 are fixedly connected to the lower portion of the outer surface of connecting column 4, and clamping devices 5 are fixedly installed on the outer sides of four fixing plates 6.

In this embodiment, the clamping device 5 includes a fixed pipe sleeve 51, the fixed pipe sleeve 51 is fixedly connected to the outer side of the fixed plate 6, sliding grooves 52 are respectively opened at the left and right sides of the upper portion of the fixed pipe sleeve 51, sliding blocks 54 are respectively movably connected in the two sliding grooves 52, handles 53 are respectively movably connected in the middle of the two sliding blocks 54, opposite ends of the two handles 53 penetrate through the sliding blocks 54 and are fixedly connected with mounting blocks 59, springs 55 are respectively fixedly connected to the opposite ends of the two sliding blocks 54, the two springs 55 are respectively sleeved on the outer sides of the handles 53, opposite ends of the two springs 55 are respectively fixedly connected to the outer sides of the mounting blocks 59, three connecting rods 58 are respectively movably connected to the front and rear sides of the two mounting blocks 59 through bearings, the outer sides of the six connecting rods 58 located on the same side are respectively movably connected with fixing blocks 57 through rotating shafts, the two fixing blocks 57 are respectively fixedly connected with the left and right opposite ends of the inner surface of the fixed pipe sleeve 51, and the four clamping devices 5 are distributed in an annular array with the fixed plate 6 as a center; through setting up clamping device 5, the thrust of spring 55 can make the firm grip bar of anti-skidding arc board 56, slider 54 can slide in the sliding tray, handle 53 can slide at the middle part of slider 54, can left and right movement under the restriction of connecting rod 58 when the anti-skidding arc board 56 reciprocates, the heavy the messenger anti-skidding arc board 56 of usable bar self firmly grips the bar like this, the greater the bar weight, the greater the frictional force between bar and the anti-skidding arc board 56, the more stable the grip, be provided with four clamping device 5, can carry out the centre gripping to four bars simultaneously, only need pulling handle 53 just can loosen the bar when needs to unload the bar.

In this embodiment, the length device 3 includes a mounting seat 31, the mounting seat 31 is fixedly connected to the lower end of the suspension post 1, the left and right sides in the mounting seat 31 are provided with through movable grooves 34, the left and right sides of the mounting seat 31 are both in threaded connection with two threaded handles 32, the opposite ends of the two threaded handles 32 are both movably connected with an anti-slip clamping plate 33, the size of the anti-slip clamping plate 33 is matched with the square groove 7, and the connecting post 4 is clamped with the suspension post 1 through the length device 3; through setting up length device 3, anti-skidding splint 33 can remove in movable groove 34, can the slip joint post 4 after rotatory screw thread handle 32 can loosen anti-skidding splint 33, can adjust the length of this hoist after loosening anti-skidding splint 33, can adjust into suitable length then rotatory screw thread handle 32 to let anti-skidding splint 33 firm grip joint post 4 in the face of specific rod heat treatment.

It should be noted that, the utility model is a lifting appliance for heat treatment of bar, in the use process, firstly, the lifting appliance is lifted by using a crane through a lifting ring 2, the bar is moved to the upper side of the bar requiring heat treatment, the bar is vertically erected, by arranging the clamping device 5, the pushing force of the spring 55 can enable the anti-skid arc plate 56 to tightly clamp the bar, the sliding block 54 can slide in the sliding groove, the handle 53 can slide in the middle part of the sliding block 54, the anti-skid arc plate 56 moves up and down under the limit of the connecting rod 58, so that the bar is firmly clamped by the self gravity of the bar, the greater the weight of the bar is, the greater the friction force between the bar and the anti-skid arc plate 56 is, the more stable the clamping is, four clamping devices 5 are arranged, the four bars can be simultaneously clamped, by arranging the length device 3, the anti-skid clamping plate 33 can move in the movable groove 34, the anti-skid clamping plate 33 can slide in the sliding groove after the rotating threaded handle 32, the handle 53 can slide in the middle part of the sliding block 54, the length of the lifting appliance can be adjusted, the length of the bar can be adjusted after the specific length of the lifting appliance is faced, the handle 33 can be adjusted, and then the heat treatment can be carried out after the step is repeated, and the heat treatment is completed, and the bar is required to be repeatedly and the heat treatment is carried out, after the handle is well, and the step is required to be completely and after the handle is completely and after the heat-treated.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a rod hoist for heat treatment, includes davit (1), its characterized in that: the lifting device is characterized in that the lifting ring (2) is fixedly connected to the upper end of the lifting column (1), square grooves (7) are formed in the left side and the right side of the lower end of the lifting column (1), the length device (3) is fixedly arranged at the lower end of the lifting column (1), the connecting column (4) is connected to the lower end of the lifting column (1) in a sliding mode, four fixing plates (6) are fixedly connected to the lower portion of the outer surface of the connecting column (4), and clamping devices (5) are fixedly arranged on the outer sides of the four fixing plates (6);

the clamping device (5) comprises a fixed pipe sleeve (51), the fixed pipe sleeve (51) is fixedly connected to the outer side of the fixed plate (6), and sliding grooves (52) are formed in the left side and the right side of the upper portion of the fixed pipe sleeve (51).

2. The hanger for heat treatment of bar material according to claim 1, wherein: two equal swing joint has slider (54) in sliding tray (52), two equal swing joint in the middle part of slider (54) has handle (53), and the opposite end of two handles (53) link up slider (54) and fixedly connected with installation piece (59), two equal fixedly connected with spring (55) of opposite end of slider (54) and two spring (55) all cup joint in the outside of handle (53), two equal fixedly connected with in the outside of installation piece (59) of opposite end of spring (55), two equal fixedly connected with anti-skidding arc board (56) of opposite end of installation piece (59), two both sides all have three connecting rod (58) through bearing swing joint around installation piece (59), are located six outside of connecting rod (58) homonymy all through pivot swing joint fixed block (57), two fixed block (57) all with the left and right sides of fixed (51) internal surface on pipe box fixed connection.

3. The hanger for heat treatment of bar material according to claim 2, wherein: the four clamping devices (5) are distributed in an annular array with the fixing plate (6) as the center.

4. The hanger for heat treatment of bar material according to claim 1, wherein: the length device (3) comprises a mounting seat (31), the mounting seat (31) is fixedly connected to the lower end of the hanging column (1), through movable grooves (34) are formed in the left side and the right side of the mounting seat (31), two threaded handles (32) are connected to the left side and the right side of the mounting seat (31) in a threaded mode, and anti-slip clamping plates (33) are movably connected to the opposite ends of the threaded handles (32).

5. The hanger for heat treatment of bar material according to claim 4, wherein: the size of the anti-slip clamping plate (33) is matched with that of the square groove (7), and the connecting column (4) is clamped with the hanging column (1) through the length device (3).