CN212962817U - Self-sealing device for furnace door of trolley furnace - Google Patents
Self-sealing device for furnace door of trolley furnace Download PDFInfo
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- CN212962817U CN212962817U CN202021714972.4U CN202021714972U CN212962817U CN 212962817 U CN212962817 U CN 212962817U CN 202021714972 U CN202021714972 U CN 202021714972U CN 212962817 U CN212962817 U CN 212962817U
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Abstract
The utility model relates to a platform truck stove transmission technical field especially relates to a platform truck stove furnace gate self sealing device, by upper and lower loose pulley assembly, compound guide rail assembly, play to rise the subassembly and constitute, upper and lower loose pulley assembly includes the upper pulley that is located the furnace gate both sides top and is located the lower pulley of furnace gate both sides below, compound guide rail assembly includes upper guide rail section and the lower guide rail section that the bottom extends to the furnace body inboard, the upper pulley relies on the furnace gate dead weight to slide along upper guide rail section, and the lower pulley relies on the furnace gate dead weight to slide along lower guide rail section, the furnace gate rotates with the play to rise the subassembly and is connected; the utility model discloses the upper pulley of equipment furnace gate both sides relies on the furnace gate dead weight to slide along the upper guideway section, and the lower pulley relies on the furnace gate dead weight to slide along the lower guideway section, realizes the sealed of furnace body through the dead weight of furnace gate, when the furnace gate is sealed, does not need the long-term taut chain of motor, has avoided the long-term taut emergence of chain deformation fracture even.
Description
Technical Field
The utility model relates to a platform truck stove transmission technical field especially relates to a platform truck stove furnace gate is from sealing device.
Background
The utility model with application number CN201520514919.2 discloses a horizontal pressing soft sealing device for a furnace cover of a heat treatment trolley furnace, which has the technical points that the furnace cover linearly moves along a section of composite motion track which is obliquely arranged, when the roller under the furnace cover linearly descends to a diagonal part of a guide rail, the roller under the furnace cover drives the furnace cover to firstly perform an embedding action under the guide of the guide rail, when the furnace cover is embedded to the bottom, the furnace cover is driven by an eccentric balance wheel to perform rotary motion to enable the furnace cover to be completely embedded into a furnace chamber, and meanwhile, a speed reducer drives a chain to generate horizontal tightening force through the balance wheel to firmly seal the furnace cover; thereby realizing the sealing of the oven door.
Such devices present the following problems in use: although the equipment makes a part of the lower end of the furnace cover be embedded into the furnace body firstly by means of a section of motion track which is arranged obliquely, the upper end of the furnace cover needs to drive the chain by means of the speed reducer to generate horizontal tension force through the balance wheel so as to firmly seal the furnace cover, the speed reducer needs to drive the chain to strain the balance wheel all the time when the furnace cover is required to be sealed, and the furnace door and the furnace body can be tightly attached.
SUMMERY OF THE UTILITY MODEL
It is not enough to prior art exist, an object of the utility model is to provide a platform truck stove furnace gate is from sealing device solves above-mentioned problem.
The utility model provides a platform truck stove furnace gate is from sealing device, by upper and lower loose pulley assembly, compound guide rail subassembly, play to rise the subassembly and form, upper and lower loose pulley assembly is including the last pulley that is located furnace gate both sides top and the lower pulley that is located furnace gate both sides below, compound guide rail assembly includes the bottom to the inboard last guide rail section and the lower rail section that extend of furnace body, the last pulley relies on the furnace gate dead weight to slide along last guide rail section, and the lower pulley relies on the furnace gate dead weight to slide along the lower rail section, the furnace gate with play to rise the subassembly and rotate and be connected.
Preferably, the surface of the furnace door is a convex structure, and the convex structure is embedded with the furnace chamber of the furnace body.
Preferably, the top end of the upper guide rail section and the top end of the lower guide rail section extend along the vertical direction of the furnace body.
Preferably, the upper guide rail section and the lower guide rail section are integrally cast on a support frame, and the support frame is fixedly installed on the furnace body.
Preferably, the lifting assembly comprises a chain, and the chain is connected with the oven door through a connecting assembly.
Preferably, the top end of the furnace door is symmetrically distributed with double lug plates, and the connecting assembly comprises a pin shaft and a movable sleeve; the pin shaft penetrates through the movable sleeve, two ends of the pin shaft are fixedly installed on the double-lug plate, and the chain is fixedly connected with the movable sleeve.
Preferably, one end of the chain is connected with a driving piece which drives the chain to ascend or descend.
Compared with the prior art, the utility model discloses the beneficial effect of equipment is:
the utility model discloses the upper pulley of equipment furnace gate both sides relies on the furnace gate dead weight to slide along the upper guideway section, and the lower pulley relies on the furnace gate dead weight to slide along the lower guideway section, realizes the sealed of furnace body through the dead weight of furnace gate, when the furnace gate is sealed, does not need the long-term taut chain of driving piece, has avoided the long-term taut emergence of chain deformation fracture even.
Drawings
Fig. 1 is a schematic structural diagram I of a self-sealing device for a furnace door of a car-bottom furnace in the present embodiment.
Fig. 2 is a schematic structural diagram II of a self-sealing device for a furnace door of a car-bottom furnace according to the present embodiment.
Fig. 3 is a schematic structural diagram III of a self-sealing device for a door of a car bottom furnace according to the present embodiment.
Fig. 4 is an enlarged view of fig. 3 at a.
Fig. 5 is a schematic structural diagram IV of a self-sealing device for a door of a car bottom furnace according to this embodiment.
In the drawings: the furnace comprises a furnace door 1, an upper pulley 1-1, a lower pulley 1-2, a furnace body 2, a composite guide rail assembly 3, an upper guide rail section 3-1, a lower guide rail section 3-2, a support frame 4, a reinforcing rib 4-1, a connecting assembly 5, a double-lug plate 5-1, a pin shaft 5-2, a movable sleeve 5-3 and a chain 6.
Detailed Description
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described 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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A kind of loop wheel machine stove furnace gate is from the sealing means, it is made up of upper and lower pulley block, compound guide rail assembly 3, lifting assembly, the said upper and lower pulley block includes locating at the upper pulley 1-1 and locating at the lower pulley 1-2 of both sides of furnace gate 1 both sides above the furnace gate 1, the said compound guide rail assembly includes the bottom to the upper guide rail section 3-1 and lower guide rail section 3-2 that the inboard extends of furnace body 2, the said upper pulley 1-1 relies on the furnace gate 1 dead weight to slide along the upper guide rail section 3-1, the lower pulley 1-2 relies on the furnace gate 1 dead weight to slide along the lower guide rail section 3-2, the said furnace gate 1 is connected with lifting assembly rotatably;
utility model patent with application number CN201520514919.2 discloses a horizontal pressing soft sealing device for a furnace cover of a heat treatment trolley furnace, which has the following problems in use: although the device makes a part of the lower end of the furnace cover be embedded into the furnace body firstly by means of a section of motion track which is arranged obliquely, the upper end of the furnace cover needs to drive the chain by means of the speed reducer to generate horizontal tension force through the balance wheel so as to firmly seal the furnace cover, and the speed reducer needs to drive the chain to strain the balance wheel all the time when the furnace cover is required to be sealed so as to ensure that the furnace door is tightly attached to the furnace body;
therefore, the utility model discloses equipment, the upper pulley 1-1 of furnace gate 1 both sides relies on furnace gate 1 dead weight to slide along upper guide rail section 3-1, lower pulley 1-2 relies on furnace gate 1 dead weight to slide along lower guide rail section 3-2, because upper guide rail section 3-1 and lower guide rail section 3-2 bottom all extend to furnace body 2 inboard, so make furnace gate 1 and furnace body 2 in close contact with through the dead weight of furnace gate 1, realize the sealed of furnace body 2, when furnace gate 1 seals up on furnace body 2, do not need the long-term taut chain of driving piece, avoided the long-term taut deformation of taking place of chain or even fracture.
In order to make the degree of sealing of furnace gate 1 and furnace body 2 better, the utility model discloses furnace gate 1 surface of equipment is a convex surface structure, and when furnace gate 1 covers at furnace body 2, the convex surface can not the straight line leak with the furnace chamber looks gomphosis of furnace body 2, makes the gas in the stove, realizes labyrinth seal.
The top end of the upper guide rail section 3-1 and the top end of the lower guide rail section 3-2 extend along the vertical direction of the furnace body 2; when the furnace gate 1 rises or descends, move in the part that upper guideway section 3-1 and lower guideway section 3-2 extend along the vertical direction of furnace body 2, when sealed with furnace body 2, move in the part that upper guideway section 3-1 and lower guideway section 3-2 extend to furnace body 2 inboard, so furnace gate 1 just takes place the contact with furnace body 2 only when sealed, compares the furnace gate at furnace body up-and-down sliding motion and the sealed design of furnace body, the utility model discloses equipment has reduced the slip face that makes furnace gate 1 and furnace body 2 contact and has suffered the damage, has also increased the life of furnace gate 2.
The upper guide rail section 3-1 and the lower guide rail section 3-2 are integrally cast on a support frame 4, and the support frame 4 is fixedly installed on the furnace body 2.
The lifting assembly comprises a chain 6, the chain 6 is connected with the furnace door 1 through a connecting assembly 5, double lug plates 5-1 are symmetrically distributed at the top end of the furnace door 1, and the connecting assembly 5 comprises a pin shaft 5-2 and a movable sleeve 5-3; the pin shaft 5-2 penetrates through the movable sleeve 5-3, two ends of the pin shaft are fixedly arranged on the double lug plates 5-1, the chain 6 is fixedly connected with the movable sleeve 5-3, and one end of the chain 6 is connected with a driving piece for driving the chain to ascend or descend.
The purpose of this design is: because the furnace door 1 needs to move a distance in the part of the upper guide rail section 3-1 and the lower guide rail section 3-2 extending towards the inner side of the furnace body 2, the furnace door 1 gradually approaches along the horizontal direction of the furnace body 2, namely, the chain 6 needs to be driven to move, if the furnace door 1 is still fixedly connected with the chain 6, the stress of the joint of the chain 3 and the furnace door is overlarge, and the chain 6 is broken, so the chain 6 is fixed on the movable sleeve 5-3 by the design, and the chain 6 is prevented from being broken by virtue of the rotary connection of the movable sleeve 5-3 and the pin shaft 5-2.
The working principle is as follows:
the upper pulleys 1-1 on two sides of the furnace door 1 slide along the upper guide rail section 3-1 by means of the dead weight of the furnace door 1, the lower pulleys 1-2 slide along the lower guide rail section 3-2 by means of the dead weight of the furnace door 1, and the bottom ends of the upper guide rail section 3-1 and the lower guide rail section 3-2 extend towards the inner side of the furnace body 2, so that the furnace door 1 is in close contact with the furnace body 2 by means of the dead weight of the furnace door 1, the sealing of the furnace body 2 is realized, when the furnace door 1 is sealed on the furnace body 2, a driving piece is not needed to tension the chain for a long time, and the.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (7)
1. The utility model provides a platform truck stove furnace gate is from sealing device which characterized in that: the furnace door lifting mechanism is composed of an upper pulley assembly, a lower pulley assembly, a composite guide rail assembly (3) and a lifting assembly, wherein the upper pulley assembly and the lower pulley assembly comprise upper pulleys (1-1) positioned above two sides of a furnace door (1) and lower pulleys (1-2) positioned below two sides of the furnace door (1), the composite guide rail assembly comprises an upper guide rail section (3-1) and a lower guide rail section (3-2) which extend towards the inner side of a furnace body (2) from the bottom end, the upper pulleys (1-1) slide along the upper guide rail section (3-1) by means of the dead weight of the furnace door (1), the lower pulleys (1-2) slide along the lower guide rail section (3-2) by means of the dead weight of the furnace door (1), and the furnace door (1) is.
2. The self-sealing device for the furnace door of the trolley furnace according to claim 1, wherein: the surface of the furnace door (1) is of a convex structure, and the convex surface is embedded with the furnace chamber of the furnace body (2).
3. The self-sealing device for the furnace door of the trolley furnace according to claim 1, wherein: the top end of the upper guide rail section (3-1) and the top end of the lower guide rail section (3-2) extend along the vertical direction of the furnace body (2).
4. The self-sealing device for the furnace door of the trolley furnace according to claim 1, wherein: the upper guide rail section (3-1) and the lower guide rail section (3-2) are integrally cast on a support frame (4), and the support frame (4) is fixedly installed on the furnace body (2).
5. The self-sealing device for the furnace door of the trolley furnace according to claim 1, wherein: the lifting assembly comprises a chain (6), and the chain (6) is connected with the oven door (1) through a connecting assembly (5).
6. The self-sealing device for the furnace door of the trolley furnace according to claim 5, wherein: the top end of the furnace door (1) is symmetrically distributed with double ear plates (5-1), and the connecting assembly (5) comprises a pin shaft (5-2) and a movable sleeve (5-3); the pin shaft (5-2) penetrates through the movable sleeve (5-3), two ends of the pin shaft are fixedly arranged on the double-lug plate (5-1), and the chain (6) is fixedly connected with the movable sleeve (5-3).
7. The self-sealing device for the furnace door of the trolley furnace according to claim 6, wherein: one end of the chain (6) is connected with a driving piece which drives the chain to ascend or descend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021714972.4U CN212962817U (en) | 2020-08-17 | 2020-08-17 | Self-sealing device for furnace door of trolley furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021714972.4U CN212962817U (en) | 2020-08-17 | 2020-08-17 | Self-sealing device for furnace door of trolley furnace |
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| Publication Number | Publication Date |
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| CN212962817U true CN212962817U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021714972.4U Active CN212962817U (en) | 2020-08-17 | 2020-08-17 | Self-sealing device for furnace door of trolley furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117387356A (en) * | 2023-12-13 | 2024-01-12 | 河南天利热工装备股份有限公司 | Annular pit furnace |
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2020
- 2020-08-17 CN CN202021714972.4U patent/CN212962817U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117387356A (en) * | 2023-12-13 | 2024-01-12 | 河南天利热工装备股份有限公司 | Annular pit furnace |
| CN117387356B (en) * | 2023-12-13 | 2024-03-19 | 河南天利热工装备股份有限公司 | Annular pit furnace |
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