CN211338498U

CN211338498U - Integrated casting hoisting central column

Info

Publication number: CN211338498U
Application number: CN201921973703.7U
Authority: CN
Inventors: 井永华
Original assignee: Cronite Castings Wuhan Co ltd
Current assignee: Cronite Castings Wuhan Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-08-25
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses an integration casting jack-up center post has related to casting heat treatment hoist technical field, has solved the welded voussoir and has easily taken place deformation after being heated many times in the pit furnace, causes frock and foundry goods to put and get inconveniently, can cause the voussoir to follow the problem that whole stand week side drops seriously even, including the stand body, lift by crane section, annular end, the both ends of stand body coaxial fixedly connected with respectively lift by crane section and annular end, the stand body, the section of lifting by crane, annular end are connected as an organic whole casting, lifts by crane the perisporium symmetry of section and has seted up the lewis hole. The utility model discloses a stand body and annular end adopt integrative cast's mode to make, and stand body, annular end, lift by crane the section and be the integration and connect, in the use, the loading capacity that stand body and annular end received distributes between the two more evenly, and the atress is more stable, has strengthened the bearing strength and the shear resistance of annular end, uses safelyr.

Description

Integrated casting hoisting central column

Technical Field

The utility model belongs to the technical field of casting heat treatment hoist technique and specifically relates to an integration casting jack-up center post is related to.

Background

In the casting field, heat treatment is a metal hot working process which is characterized in that a product is placed in a certain medium for heating, heat preservation and cooling, and the performance of the product is controlled by changing the surface or internal metallographic structure of the material. Because the cast product generally has higher quality requirement, the heat treatment process has higher and more accurate requirement on the process steps and the auxiliary device, in the heat treatment processing procedure, a tool for placing a casting to be processed is placed into the pit furnace, the casting is subjected to heat treatment processing, and the placing and taking out of the casting and the tool in the pit furnace are realized through the lifting appliance, so the strength and the heat resistance of the tool and the lifting appliance are also very important, and the casting effect of the casting can be greatly influenced.

Wherein, the design of hoist commonly used among the prior art is a plurality of voussoirs of bottom perisporium welding at whole stand, utilize the butt of the center department of a plurality of voussoirs and frock, realize placing of frock on the hoist, in the application, welded voussoir is heated in the pit furnace and is easily taken place deformation after many times, cause frock and foundry goods to put and get inconveniently, can cause the voussoir to drop from whole stand week side seriously even, lead to frock and foundry goods to sink into the pit furnace, cause great influence to the pit furnace.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an integrative casting jack-up center post that integrative casting, intensity are higher, bearing capacity is strong, stable performance.

The utility model discloses a can realize through following technical scheme:

the integrated casting hoisting center column comprises a stand column body, a hoisting section and an annular end head, wherein two ends of the stand column body are respectively arranged in a penetrating mode, the hoisting section and the annular end head are respectively and fixedly connected to the two ends of the stand column body in a coaxial mode, the stand column body, the hoisting section and the annular end head are connected in an integrated casting mode, the outer diameter of the annular end head is larger than that of the stand column body, and two hoisting holes are symmetrically formed in the peripheral wall of the hoisting section.

By adopting the technical scheme, the tool is sleeved on the periphery of the upright post body through the hoisting section and is placed on the annular end head, after the hoisting plugboard of the hoisting equipment is spliced and matched with the hoisting hole, the hoisting equipment simultaneously hoists the hoisting section, the upright post body, the annular end head, the tool and the workpiece, and the workpiece is placed in the shaft furnace for heat treatment processing; compared with the prior art, the utility model discloses a stand body and annular end adopt integrative cast mode to make, and stand body, annular end, lift by crane the section and be the integration and connect, and in the use, the loading capacity that stand body and annular end received distributes between the two more evenly, and the atress is more stable, has strengthened the bearing strength and the resistance to shear force of annular end, uses safelyr.

Further setting the following steps: the transition angle of the joint of the annular end head and the upright post body is a first arc angle.

Through adopting above-mentioned technical scheme, first arc angle makes the junction of annular end and stand body slick and sly smooth more, and the cambered surface of first arc angle is convenient for more that the frock is placed and is taken out on the annular end, reduces the dead condition of frock and annular end card.

Further setting the following steps: and a second arc-shaped angle is formed at the edge of one end of the annular end head, which is close to the stand column body.

Through adopting above-mentioned technical scheme, the edge of annular end is more slick and sly for the second arc angle makes to reduce the friction between the edge of annular end and the frock and lead to both mutual wearing and tearing, stabilize safety more among the practical process.

Further setting the following steps: the wall thickness of the upright post body is larger than that of the annular end head and the hoisting section.

Through adopting above-mentioned technical scheme, reduced the material that casting annular end and lift by crane the section and used, ensured the tensile strength of stand body simultaneously.

Further setting the following steps: the stand body is close to the annular end with the both ends of lifting by crane the section and all seted up interior chamfer in inside.

Through adopting above-mentioned technical scheme, the transition of stand body and annular end and section internal connection department of lifting by crane is convenient for realize by interior chamfer, and simultaneously in the thermal treatment course of working, interior chamfer can make the heat circulate more smoothly in annular end, stand body, the section of lifting by crane temporals, reduces the heat and gathers the condition that leads to the stand body to warp at stand body and annular end and section internal connection department of lifting by crane.

Further setting the following steps: and an outer chamfer is arranged at one end of the upright post body where the lifting hole is located.

Through adopting above-mentioned technical scheme, outer chamfer makes the top of stand body more slick and sly, the placing and taking out of the frock of being convenient for on the stand body.

Further setting the following steps: the lifting hole is a kidney-shaped groove, the kidney-shaped groove extends along the axis direction of the stand column body, and the two ends close to the annular end head and the lifting hole are both arc-shaped.

Through adopting above-mentioned technical scheme, the grafting that the slot made the picture peg of lifting by crane is more convenient, and can effectively reduce the condition of lifting by crane the picture peg and blocking in the slot.

Further setting the following steps: the inner wall of the upright post body and the inner wall of the annular end are jointly provided with a clamping groove, the lifting section is provided with a flange which is convenient for the lifting section to be in splicing fit with the clamping groove, the inner wall of the upright post body is symmetrically provided with a wire groove extending along the axis direction of the upright post body, and one end of the wire groove, which is close to the lifting section, penetrates through the inner wall of the lifting section.

Through adopting above-mentioned technical scheme, placing a plurality of frocks and adding man-hour a plurality of work pieces in needs, utilize the steel cable to connect two lifting eyes of stand body, even have the section of lifting by crane of the last stand body of steel cable and the joint groove of preceding stand body and peg graft the adaptation, and wear out the wire casing of steel cable through preceding stand body, and then realize the mutual concatenation of two stand bodies, thereby be convenient for realize the stack of a plurality of frocks and place, improve thermal treatment machining efficiency.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the upright post body, the annular end and the hoisting section are manufactured in an integrated casting mode, the annular end is higher in hardness and strength, and better in yield strength and tensile strength, and in the using process, the load force applied to the connecting position of the upright post body and the annular end is more uniformly distributed between the upright post body and the annular end, so that the upright post body is more stable in stress, less prone to deformation and safer to use;

(2) the mode of adopting integrative casting has reduced processes such as forging, car processing, forging, and the process is simple and convenient more, easily preparation, the cost is lower.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of FIG. 1, partially in section;

FIG. 4 is a schematic sectional view of a part of the second embodiment;

fig. 5 is a schematic view of the overall structure of the prior art.

Reference numerals: 1. a column body; 2. a hoisting section; 3. an annular tip; 4. lifting holes; 5. a first arc angle; 6. a second arc angle; 7. inner chamfering; 8. chamfering the outer part; 9. a clamping groove; 10. a flange; 11. a wire slot.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 1, for the utility model discloses an integration casting jack-up center post, all run through the stand body 1 that sets up including both ends, lift by crane section 2, annular end 3, coaxial fixedly connected with lifts by crane section 2 and annular end 3 respectively at the both ends of stand body 1, lift by crane section 2, annular end 3 is connected as an organic whole casting, the external diameter size of annular end 3 is greater than stand body 1's external diameter size, two lifting eyes 4 have been seted up to the perisporium of section 2 that lifts by crane, two lifting eyes 4 set up along stand body 1's axis symmetry. In the use process, the tool is sleeved on the periphery of the stand column body 1 through the hoisting section 2 and is placed on the annular end 3, after the hoisting plugboard of the hoisting equipment is spliced and matched with the hoisting hole 4, the hoisting equipment simultaneously hoists the hoisting section 2, the stand column body 1, the annular end 3, the tool and the workpiece, and the workpiece is placed in a shaft furnace for heat treatment processing.

The lifting hole 4 is a kidney-shaped groove which extends along the axis direction of the column body 1, and the two ends close to the annular end 3 and the lifting hole 4 are both arc-shaped. The kidney-shaped groove makes the grafting of lifting by crane the picture peg more convenient, and can effectively reduce the condition of lifting by crane the picture peg and blocking in the kidney-shaped groove.

The transition angle of the junction of the annular end 3 and the stand body 1 is a first arc angle 5, the first arc angle 5 extends along the circumferential direction of the stand body 1 to form a first annular cambered surface, and the first annular cambered surface is recessed towards the inside of the stand body 1. First arc angle 5 makes the junction of annular end 3 and stand body 1 slick and sly smooth more, and the cambered surface of first arc angle 5 is convenient for the frock more and places and take out on annular end 3, reduces the dead condition of frock and 3 card of annular end.

Referring to fig. 1 and 2, a second arc angle 6 is provided at an edge of one end of the annular end 3 close to the column body 1, the second arc angle 6 extends along a circumferential direction of the column body 1 to form a second annular arc surface, and the second annular arc surface protrudes toward one side away from the annular end 3. The edge of annular end 3 is more slick and sly for second arc angle 6 to reduce the friction between the edge of annular end 3 and the frock and lead to both mutual wearing and tearing, it is safer to stabilize in the practical process.

Referring to fig. 3, the wall thickness of the column body 1 is greater than the wall thickness of the annular end head 3 and the hoisting section 2. The materials used for casting the annular end head 3 and the hoisting section 2 are reduced, and the tensile strength of the upright post body 1 is ensured.

The stand body 1 is close to the both ends of annular end 3 and lift by crane section 2 and all has seted up interior chamfer 7 in inside. Interior chamfer 7 is convenient for realize stand body 1 and annular end 3 and lift by crane the transition of 2 internal connection departments of section, and simultaneously in the thermal treatment course of working, interior chamfer 7 can make the heat circulate more smoothly in annular end 3, stand body 1, 2 internal connection departments of section of lifting by crane, reduces the heat and gathers the condition that leads to stand body 1 to warp at stand body 1 and

annular end

3 and 2 internal connection departments of section of lifting by crane.

An outer chamfer 8 is arranged at one end of the upright post body 1 where the lifting hole 4 is positioned. The top of the upright post body 1 is more smooth by the outer chamfer 8, so that the tool can be conveniently placed on and taken out of the upright post body 1.

The implementation principle and the beneficial effects of the embodiment are as follows:

the integrated casting hoisting section 2, the upright post body 1 and the annular end 3 are simpler in manufacturing mode, manufacturing steps are simplified, production cost is lower, the loading force borne by the integrated casting upright post body 1 and the annular end 3 is more uniformly distributed between the two, the stress is more stable, the overall rigidity is higher, the bearing strength and the shearing strength are better, the quality is higher, the condition of deformation and falling is reduced, and the use is safer.

Example two

Cast jack-up center post integratively, the difference with embodiment one lies in:

referring to fig. 4, joint groove 9 has been seted up jointly to the inner wall of stand body 1 and annular end 3, and joint groove 9 extends the setting along the axis direction of stand body 1, lifts by crane section 2 and sets up the flange 10 of being convenient for lift by crane section 2 and joint groove 9 grafting adaptation, and the wire casing 11 of extending along its axis direction is seted up to the inner wall symmetry of stand body 1, and wire casing 11 is close to the one end that lifts by crane section 2 and runs through the inner wall setting that lifts by crane section 2.

when a plurality of frock are placed to a plurality of work pieces and add man-hour, utilize the steel cable to connect 1 two lifting eyes 4 of stand body, even have the section 2 of lifting by crane of the back stand body 1 of steel cable and the joint groove 9 of a preceding stand body 1 and peg graft the adaptation, and wear out the steel cable through the wire casing 11 of a preceding stand body 1, and then realize two mutual concatenations of stand body 1, thereby be convenient for realize the stack of a plurality of frock and place, improve thermal treatment machining efficiency.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Integration casting jack-up center post, its characterized in that: the hoisting device comprises a stand column body (1), a hoisting section (2) and an annular end (3), wherein the two ends of the stand column body (1) are respectively and fixedly connected with the hoisting section (2) and the annular end (3) in a coaxial mode, the stand column body (1), the hoisting section (2) and the annular end (3) are connected in an integrated casting mode, the outer diameter of the annular end (3) is larger than that of the stand column body (1), and two hoisting holes (4) are symmetrically formed in the peripheral wall of the hoisting section (2).

2. The integrally cast lifting center column according to claim 1, wherein the transition angle at the connection of the annular end head (3) and the column body (1) is a first arc angle (5).

3. The integrally cast hoisting center column according to claim 2, wherein a second arc angle (6) is formed at an edge of the annular end head (3) near one end of the column body (1).

4. The integrally cast lifting center column according to claim 1, wherein the wall thickness of the column body (1) is larger than the wall thickness of the ring-shaped end head (3) and the lifting section (2).

5. The integrally cast hoisting center post according to claim 4, wherein the post body (1) is provided with inner chamfers (7) near both ends of the ring-shaped end (3) and the hoisting section (2).

6. The integrally cast hoisting center post according to claim 1, wherein an outer chamfer (8) is cut at one end of the post body (1) where the hoisting hole (4) is located.

7. The integrally cast lifting center post according to claim 6, wherein the lifting hole (4) is a kidney-shaped slot extending along the axial direction of the column body (1), and both ends of the kidney-shaped slot close to the annular end head (3) and the lifting hole (4) are arranged in an arc shape.

8. The integrated casting hoisting center post of claim 3, wherein the inner walls of the post body (1) and the annular end (3) are jointly provided with a clamping groove (9), the hoisting section (2) is provided with a flange (10) which is convenient for the hoisting section (2) to be in splicing fit with the clamping groove (9), the inner wall of the post body (1) is symmetrically provided with a wire casing (11) extending along the axial direction of the post body, and one end of the wire casing (11) close to the hoisting section (2) penetrates through the inner wall of the hoisting section (2).