CN210119121U

CN210119121U - Lifting device for pit furnace

Info

Publication number: CN210119121U
Application number: CN201920856772.3U
Authority: CN
Inventors: 李明科; 贾红梅; 李骏; 李鹏宇
Original assignee: Henan Tianli Thermal Equipment Ltd By Share Ltd
Current assignee: Henan Tianli Thermal Equipment Ltd By Share Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-02-28
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses a pit furnace hoisting device, including wall body and furnace gate, be fixed with the motor through the mount pad on the outer wall of wall body, the output of motor rotates and is connected with the axostylus axostyle, has cup jointed spacing seat in proper order on the outer wall of axostylus axostyle, and spacing seat is installed in the outer end of wall body, and the top of axostylus axostyle is fixed with the back timber through the reinforcing plate, installs the pneumatic cylinder on the back timber, and the output of pneumatic cylinder bottom is fixed with the control lever, and the lower extreme of control lever is provided with the elevating platform, and the furnace gate is. The utility model discloses a set up motor, spacing seat, spiral groove, axostylus axostyle, reinforcing plate, back timber, pneumatic cylinder, elevating platform, spring, spacing chamber, ball and spacing through-hole, solved present stage pit furnace lifting means and can not rise when using and rotate on one side, the problem that has the potential safety hazard when stability is not good and use.

Description

Lifting device for pit furnace

Technical Field

The utility model relates to a boiler equipment technical field specifically is a pit furnace hoisting device.

Background

At present, the pit furnace is a periodic operation furnace and is suitable for heat treatment of rod and long shaft parts. The structure of the pit furnace is as follows: the furnace body is a cylindrical deep well, and workpieces are vertically loaded into the furnace for heating by a special crane. The fuels used are typically gas and oil. When electricity is used as a heat source, the furnace is called a pit-type resistance furnace. Shaft furnaces are typically located below the ground level of the plant, and also have their halves located above, or below, the ground level. The name of the shaft furnace is as follows: forced convection shaft furnace, natural convection shaft furnace, shaft gas carburizing furnace etc. the boiler needs to remove the furnace gate part frequently and promote when using, and the lifting means of present stage can satisfy its basic user demand when using, nevertheless still has some defect in the aspect and not enough when in actual use.

Through retrieval, patent publication No. CN201945158U discloses a lifting translation device shared by multiple large-scale pit furnace covers, belonging to the technical field of heat treatment equipment. The technical scheme is that the furnace comprises a plurality of pit furnaces, a portal frame type furnace cover lifting and translating mechanism and a track.

The lifting and translating device shared by a plurality of large pit furnace covers in the prior art has the following defects:

1. when the device is used, the furnace door part cannot be lifted and rotated along with a certain track, and workers need to lift the door when working, push the door to be staggered by people, and put or take out workpieces, so that the device is very inconvenient to use;

2. the device's stability is not strong, and the degree of difficulty is big during the use, needs personnel to operate, extravagant manpower and there is the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a pit furnace hoisting device has solved current stage pit furnace lifting means and can not rise when using and rotate on one side, and stability is not good and there is the problem of potential safety hazard when using.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pit furnace hoisting device, includes wall body and furnace gate, is fixed with the motor through the mount pad on the outer wall of wall body, and the output of motor rotates and is connected with the axostylus axostyle, has cup jointed spacing seat in proper order on the outer wall of axostylus axostyle, and spacing seat is installed in the outer end of wall body, and the top of axostylus axostyle is fixed with the back timber through the reinforcing plate, installs the pneumatic cylinder on the back timber, and the output of pneumatic cylinder bottom is fixed with the control lever, and the.

Preferably, the inside of spacing seat includes spacing seat body and base, and the base setting is at the lower extreme of spacing seat body.

Preferably, the central position of the limiting seat body is provided with a limiting through hole, and the upper end of the limiting through hole is provided with a limiting cavity.

Preferably, the limiting cavity is internally provided with a spring and a ball, and the ball is connected with the limiting through hole.

Preferably, the top end of the limiting seat body is fixed with a bolt assembly.

Preferably, be provided with spiral groove on the outer wall of axostylus axostyle, the axostylus axostyle rotates to be connected in the inside of spacing through-hole, and spiral groove and ball cooperation are connected.

(III) advantageous effects

The utility model provides a pit furnace hoisting device possesses following beneficial effect:

1. the utility model discloses a set up motor, spacing seat, spiral groove and axostylus axostyle, the utility model discloses when promoting the furnace gate, can promote the furnace gate and rotate simultaneously, need not stagger the furnace gate during the use, it is all more convenient to put into or take out the work piece, the problem that well type stove lifting means in the present stage is not enough in use is solved, has good result of use, start motor during the use, make axostylus axostyle part rotate, be provided with spiral groove on the outer wall of axostylus axostyle, and the inside of spacing seat corresponds and is provided with spacing chamber, ball and spacing through-hole, during the use, when spiral groove passes through the ball, the axostylus axostyle rotates according to the orbit that has set for roof beam and pneumatic cylinder follow to rotate, and the pneumatic cylinder promotes well type stove through the elevating platform, make the well type stove can rise while rotating, the operation of workers can be more convenient, the picking and placing operation of the workpiece is simpler, and the popularization and the use are convenient.

2. The utility model discloses a set up motor, spacing seat, helical flute and axostylus axostyle, make the utility model discloses there is fine stability when using, is difficult for rocking, and then makes the security of device increase, has solved the not enough problem of the pit furnace lifting means security of current stage, secondly the utility model discloses the simplicity and convenience when using is good, and is very laborsaving, and the axostylus axostyle carries out the limit position through spacing seat during the use, and stability can be good, need not manual work, can save the amount of labour, has fine result of use.

Drawings

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

FIG. 2 is a schematic structural view of a middle position-limiting seat of the present invention;

fig. 3 is a schematic structural diagram of the middle shaft rod of the present invention.

In the figure: 1. a wall body; 2. a mounting seat; 3. a motor; 4. a limiting seat; 5. a spiral groove; 6. a shaft lever; 7. a reinforcing plate; 8. a top beam; 9. a hydraulic cylinder; 10. a control lever; 11. a lifting platform; 12. a furnace door; 13. a limiting seat body; 14. a spring; 15. a bolt assembly; 16. a limiting cavity; 17. a ball; 18. a limiting through hole; 19. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the present invention provides an embodiment: a pit furnace lifting device comprises a wall body 1 and a furnace door 12, wherein a motor 3 is fixed on the outer wall of the wall body 1 through a mounting seat 2, the output end of the motor 3 is rotatably connected with a shaft rod 6, a limiting seat 4 is sequentially sleeved on the outer wall of the shaft rod 6, the limiting seat 4 is installed at the outer end of the wall body 1, the interior of the limiting seat 4 comprises a limiting seat body 13 and a base 19, the top end of the limiting seat body 13 is fixed with a bolt assembly 15, the base 19 is arranged at the lower end of the limiting seat body 13, a limiting through hole 18 is arranged at the central position of the limiting seat body 13, the limiting through hole 18 is used for limiting the shaft rod 6, a limiting cavity 16 is arranged at the upper end of the limiting through hole 18, a spring 14 and a round bead 17 are arranged inside the limiting cavity 16, the round bead 17 is connected with the limiting through hole 18, meanwhile, a spiral groove 5 is arranged on the outer, and spiral groove 5 is connected with ball 17 cooperation, and simultaneously the top of axostylus axostyle 6 is fixed with back timber 8 through reinforcing plate 7, installs pneumatic cylinder 9 on the back timber 8, and the output end of pneumatic cylinder 9 bottom is fixed with control lever 10, and the lower extreme of control lever 10 is provided with elevating platform 11, and furnace gate 12 is fixed on elevating platform 11.

When in use, the motor 3 is started to enable the shaft lever 6 to partially rotate, the outer wall of the shaft lever 6 is provided with a spiral groove 5, and the inside of the limiting seat 4 is correspondingly provided with a limiting cavity 16, a spring 14, a ball 17 and a limiting through hole 18, when in use, when the spiral groove 5 is not connected with the ball 17, the ball 17 extends into the limiting cavity 16, when the spiral groove 5 is connected with the ball 17, the shaft lever 6 will automatically rotate according to the set track, so that the top beam 8 and the hydraulic cylinder 9 rotate along with the rotation, and the hydraulic cylinder 9 lifts the furnace door 12 through the lifting platform 11, so that the furnace door 12 can be lifted and rotated at the same time in the lifting process, the ordered operation of the device on the shaft furnace is realized, the spring 14 and the ball 17 of the device are simultaneously arranged in the limiting cavity 16, and the ball 17 is fixed at the bottom end of the spring 14, so that the spring 14 cannot easily fall into the limiting through hole 18.

To sum up, the utility model discloses a set up motor 3, spacing seat 4, spiral groove 5, axostylus axostyle 6, reinforcing plate 7, back timber 8, pneumatic cylinder 9, elevating platform 11, spring 14, spacing chamber 16, ball 17 and spacing through-hole 18, solved present stage pit furnace lifting means and can not rise when using and rotate on one side, stability is not good and there is the problem of potential safety hazard when using.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A shaft furnace lifting device comprises a wall body (1) and a furnace door (12), and is characterized in that: be fixed with motor (3) through mount pad (2) on the outer wall of wall body (1), the output of motor (3) rotates and is connected with axostylus axostyle (6), spacing seat (4) have been cup jointed in proper order on the outer wall of axostylus axostyle (6), the outer end at wall body (1) is installed in spacing seat (4), the top of axostylus axostyle (6) is fixed with back timber (8) through reinforcing plate (7), install pneumatic cylinder (9) on back timber (8), the output of pneumatic cylinder (9) bottom is fixed with control lever (10), the lower extreme of control lever (10) is provided with elevating platform (11), furnace gate (12) are fixed on elevating platform (11.

2. A shaft furnace hoist according to claim 1, characterized in that: the limiting seat (4) comprises a limiting seat body (13) and a base (19), and the base (19) is arranged at the lower end of the limiting seat body (13).

3. A shaft furnace hoist according to claim 2, characterized in that: a limiting through hole (18) is formed in the center of the limiting seat body (13), and a limiting cavity (16) is formed in the upper end of the limiting through hole (18).

4. A shaft furnace hoist according to claim 3, characterized in that: a spring (14) and a ball (17) are arranged in the limiting cavity (16), and the ball (17) is connected with a limiting through hole (18).

5. A shaft furnace hoist according to claim 2, characterized in that: the top end of the limiting seat body (13) is fixed with a bolt component (15).

6. A shaft furnace lifting device according to claim 4, characterized in that: the outer wall of the shaft lever (6) is provided with a spiral groove (5), the shaft lever (6) is rotatably connected inside the limiting through hole (18), and the spiral groove (5) is matched and connected with the ball (17).