CN212902655U - Well formula stove bell elevating system drive lead screw stop device - Google Patents
Well formula stove bell elevating system drive lead screw stop device Download PDFInfo
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- CN212902655U CN212902655U CN202021694728.6U CN202021694728U CN212902655U CN 212902655 U CN212902655 U CN 212902655U CN 202021694728 U CN202021694728 U CN 202021694728U CN 212902655 U CN212902655 U CN 212902655U
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- pipe
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- lead screw
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Abstract
The utility model discloses a pit furnace bell elevating system drive lead screw stop device, including lift silk, rigid spacing ring, tedge, spacing push pipe, soft spacing ring, downcomer, lift silk center bolted connection has rigid spacing ring, the tedge is installed at rigid spacing ring top, spacing push pipe is installed at the tedge top, soft spacing ring is installed in rigid spacing ring below, the downcomer is installed in soft spacing ring below, the utility model discloses simple structure, reasonable in design has improved stop device's structure in the past, both can spacing not drop, can prevent rigid spacing damage lead screw or reduction gear again, has promoted stop device's stability from the practicality, has increased boiler elevation structure's security.
Description
Technical Field
The utility model relates to a pit furnace bell elevating system drive lead screw stop device.
Background
The pit furnace is widely applied to heat treatment procedures in various industries, the opening and closing of the furnace cover to the furnace body are realized by the integral lifting of the furnace cover, and the lifting mechanism comprises a driving shaft, a positioning guide bearing seat, a driving lifting power screw rod, a motor reducer (worm and gear type) limit switch and the like.
Although a positioning locking stop block is arranged between a lead screw and a groove at the bottom end of a lifting shaft of the conventional limiting device, the space position is limited, and the lead screw cannot be too large and is often damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pit furnace bell elevating system drive lead screw stop device to solve above-mentioned technical problem.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a pit furnace bell elevating system drive lead screw stop device, includes lifting wire, rigid spacing ring, tedge, spacing push pipe, soft spacing ring, downcomer, lifting wire center bolted connection has rigid spacing ring, the tedge is installed at rigid spacing ring top, spacing push pipe is installed at the tedge top, soft spacing ring is installed in rigid spacing ring below, the downcomer is installed in soft spacing ring below.
On the basis of the technical scheme, the soft limiting ring comprises a winding ring, two stabilizing bolts and buffer springs, wherein the winding ring is of a cylindrical structure, the two stabilizing bolts are fixedly connected to the two sides of the winding ring, and the buffer springs are installed inside the winding ring.
On the basis of the technical scheme, the ascending pipe comprises a sliding pipe, slides and a movable switch, the limiting jacking pipe comprises an ascending outer pipe, pin shaft holes and pin shafts, the two slides are arranged on the outer side of the sliding pipe, the movable switch is arranged below the surface of the sliding pipe, the two pin shaft holes are arranged on the outer side of the limiting jacking pipe, and the two pin shafts are arranged in the pin shaft holes.
Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses simple structure, reasonable in design has improved stop device's structure in the past, both can be spacing not drop, can prevent rigid spacing damage lead screw or reduction gear again, has promoted stop device's stability from the practicality, has increased boiler elevation structure's security.
Drawings
Fig. 1 is a schematic view of the appearance structure of the present invention.
Fig. 2 is a schematic view of the structure of the soft limiting ring of the present invention.
Fig. 3 is a schematic structural view of the ascending pipe and the limiting jacking pipe of the present invention.
In the figure: 1. the lifting device comprises a lifting wire, 2 parts of a hard limiting ring, 3 parts of an ascending pipe, 4 parts of a limiting top pipe, 5 parts of a soft limiting ring, 6 parts of a descending pipe, 7 parts of a winding ring, 8 parts of a stabilizing bolt, 9 parts of a buffer spring, 10 parts of a sliding pipe, 11 parts of a slideway, 12 parts of a movable switch, 13 parts of an ascending outer pipe, 14 parts of a pin shaft hole and 15 parts of a pin shaft.
Detailed Description
The invention is explained in further detail below with reference to the figures and the embodiments.
As shown in fig. 1-3, a limiting device for a driving lead screw of a furnace cover lifting mechanism of a pit furnace comprises a lifting wire 1, a rigid limiting ring 2, an ascending pipe 3, a limiting top pipe 4, a soft limiting ring 5 and a descending pipe 6, wherein the lifting wire 1 is connected with the rigid limiting ring 2 through a central bolt, the ascending pipe 3 is installed at the top of the rigid limiting ring 2, the limiting top pipe 4 is installed at the top of the ascending pipe 3, the soft limiting ring 5 is installed below the rigid limiting ring 2, and the descending pipe 6 is installed below the soft limiting ring 5.
The ascending pipe 3 comprises a sliding pipe 10, a slide rail 11 and a movable switch 12, the limiting jacking pipe 4 comprises a lifting outer pipe 13, a pin shaft hole 14 and a pin shaft 15, the two slide rails 11 are arranged on the outer side of the sliding pipe 10, the movable switch 12 is arranged below the surface of the sliding pipe 10, the two pin shaft holes 14 are arranged on the outer side of the limiting jacking pipe 4, and the two pin shafts 15 are arranged inside the pin shaft holes 14.
The utility model discloses a theory of operation: the novel lead screw limiting structure is characterized in that a soft limiting structure is arranged at the falling limit position of the lead screw, namely a limiting structure of the built-in spring guide sleeve; the lead screw or the speed reducer can be prevented from being damaged by rigid limit, and the possibility of separation from the speed reducer is avoided by using the effect of the limit structure.
The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.
Claims (3)
1. The utility model provides a pit furnace bell elevating system drive lead screw stop device, includes lifting wire (1), rigid spacing ring (2), tedge (3), spacing push pipe (4), soft spacing ring (5), downtake (6), its characterized in that: the lifting wire is characterized in that a rigid limiting ring (2) is connected to the center of the lifting wire (1) through a bolt, the ascending pipe (3) is installed at the top of the rigid limiting ring (2), the limiting jacking pipe (4) is installed at the top of the ascending pipe (3), the soft limiting ring (5) is installed below the rigid limiting ring (2), and the descending pipe (6) is installed below the soft limiting ring (5).
2. The driving lead screw limiting device for the furnace cover lifting mechanism of the pit furnace as claimed in claim 1, wherein: soft spacing ring (5) are including winding ring (7), stable bolt (8), buffer spring (9), winding ring (7) are the cylinder structure, two stable bolt (8) fixed connection is in winding ring (7) both sides, buffer spring (9) are installed inside winding ring (7).
3. The driving lead screw limiting device for the furnace cover lifting mechanism of the pit furnace as claimed in claim 2, wherein: the ascending pipe (3) comprises a sliding pipe (10), a slide way (11) and a movable switch (12), the limiting jacking pipe (4) comprises an ascending outer pipe (13), a pin shaft hole (14) and a pin shaft (15), the two slide ways (11) are arranged on the outer side of the sliding pipe (10), the movable switch (12) is arranged below the surface of the sliding pipe (10), the two pin shaft holes (14) are arranged on the outer side of the limiting jacking pipe (4), and the pin shaft (15) is arranged inside the pin shaft hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021694728.6U CN212902655U (en) | 2020-08-14 | 2020-08-14 | Well formula stove bell elevating system drive lead screw stop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021694728.6U CN212902655U (en) | 2020-08-14 | 2020-08-14 | Well formula stove bell elevating system drive lead screw stop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212902655U true CN212902655U (en) | 2021-04-06 |
Family
ID=75242117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021694728.6U Active CN212902655U (en) | 2020-08-14 | 2020-08-14 | Well formula stove bell elevating system drive lead screw stop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212902655U (en) |
-
2020
- 2020-08-14 CN CN202021694728.6U patent/CN212902655U/en active Active
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