CN212962820U - Furnace door chain lifting device of trolley furnace - Google Patents
Furnace door chain lifting device of trolley furnace Download PDFInfo
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- CN212962820U CN212962820U CN202021715680.2U CN202021715680U CN212962820U CN 212962820 U CN212962820 U CN 212962820U CN 202021715680 U CN202021715680 U CN 202021715680U CN 212962820 U CN212962820 U CN 212962820U
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- chain
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- chain wheel
- furnace door
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Abstract
The utility model relates to the technical field of transmission of a trolley furnace, in particular to a chain lifting device for a furnace door of the trolley furnace, which comprises a support frame and a furnace door which is connected with the support frame in a sliding way, wherein a driven double-chain wheel component is arranged above the support frame, and a driving double-chain wheel component corresponding to the number of chain wheels of the driven double-chain wheel component is arranged below the support frame; the furnace door lifting device is characterized by further comprising a double-chain assembly, one end of the double-chain assembly is fixed above the supporting frame, the other end of the double-chain assembly is sequentially meshed with the driving double-chain wheel assembly and the driven double-chain wheel assembly and is connected with the upper end of the furnace door, the driving double-chain wheel assembly is only mounted on a lifting device, and the lifting device ascends or descends along the vertical direction of the supporting frame; the utility model discloses equipment drives initiative double sprocket subassembly pulling double chain subassembly through a play to rise the device, realizes the rising or the decline of furnace gate to be equipped with the supporting mechanism who is used for supporting the furnace gate after rising on the spout, share the weight that double chain subassembly and play to rise the device and undertake, can effectively avoid the chain fracture or play to rise the device and damage.
Description
Technical Field
The utility model relates to a jacking equipment technical field especially relates to a platform truck stove furnace gate chain elevating gear.
Background
The utility model with application number CN201920063988.4 discloses a furnace door lifting system for a trolley furnace, which drives a furnace door to lift along a sealing chute on a lifting frame by two motors fixed on two sides of the lifting frame through steel rope winding guide wheels respectively;
however, such devices have the following problems in use: firstly, the equipment can drive the furnace door to lift through the steel rope winding guide wheel only by depending on two synchronous motors, but due to different working conditions of the motors, the problem that the motors run asynchronously is often generated after the equipment is used for a period of time, so that one side of the furnace door is lifted fast, the other side of the furnace door is lifted slowly, and the furnace door is clamped in a sliding groove, and the equipment is very inconvenient to use; when the furnace door is opened, the furnace door is only suspended on the lifting frame through the steel rope by means of the pulling force of the motor, but the furnace door of the trolley furnace is heavy, and when the furnace door is used, the opening times are frequent, so that the furnace door is suspended on the lifting frame by means of the pulling force of the motor, and the steel rope is easily broken or the motor is easily damaged.
SUMMERY OF THE UTILITY MODEL
It is not enough to exist to prior art, an object of the utility model is to provide a platform truck stove furnace gate chain elevating gear solves above-mentioned problem.
A kind of loop wheel machine stove furnace gate chain lifting gear, including the support frame and furnace gate in connection with support frame slip, there are driven double-sprocket assemblies above the said support frame, its lower side has initiative double-sprocket assemblies corresponding to number of sprocket wheels of the driven double-sprocket assembly; the furnace door lifting device is characterized by further comprising a double-chain assembly, one end of the double-chain assembly is fixed above the supporting frame, the other end of the double-chain assembly is meshed with the driving double-chain wheel assembly and the driven double-chain wheel assembly in sequence and is connected with the upper end of the furnace door, the driving double-chain wheel assembly is only installed on a lifting device, and the lifting device is lifted or lowered along the vertical direction of the supporting frame.
Preferably, the inner side of the support frame is provided with a sliding chute, two sides of the furnace door are respectively arranged in the sliding chute in a sliding connection mode through pulleys, and the sliding chute is further provided with a supporting mechanism used for supporting the lifted furnace door.
Preferably, the support mechanism includes a support pin and an ear plate mounted on the support frame, and the support pin penetrates through the sliding groove and is inserted into the ear plate.
Preferably, the driving double-chain wheel assembly is mounted on a mounting frame through roller bearings, and the driven double-chain wheel assembly is mounted on the support frame through side-by-side roller bearings;
preferably, the driven double-chain wheel assembly comprises a first driven chain wheel arranged on the left support frame above the oven door and a second driven chain wheel arranged on the right support frame above the oven door
Preferably, the driving double chain wheel assembly comprises a first main chain wheel and a second main chain wheel which are arranged on the mounting frame in parallel.
Preferably, a transmission double-chain wheel assembly is further installed between the driven double-chain wheel assembly and the driving double-chain wheel assembly, and the transmission double-chain wheel assembly comprises a first transmission chain wheel and a second transmission chain wheel which are installed in parallel.
Preferably, the double-chain assembly comprises a first chain, one end of the first chain is fixed above the support frame, and the other end of the first chain is meshed with a first main chain wheel, a first transmission chain wheel and a first driven chain wheel in sequence and is connected with the upper end of the left side of the oven door; and a second chain, one end of which is fixed above the supporting frame, and the other end of which is meshed with the second main chain wheel, the second transmission chain wheel, the second driven chain wheel in sequence and is connected with the upper end of the right side of the furnace door.
Preferably, the lifting device is a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected with the mounting frame.
Preferably, the hydraulic cylinder is fixed on one side of the support frame through a support steel plate.
Compared with the prior art, the utility model discloses the beneficial effect of equipment is:
the utility model discloses equipment drives initiative double sprocket subassembly pulling double chain subassembly through a play to rise the device, realizes the rising or the decline of furnace gate to be equipped with the supporting mechanism who is used for supporting the furnace gate after rising on the spout, share the weight that double chain subassembly and play to rise the device and undertake, can effectively avoid the chain fracture or play to rise the device and damage.
Drawings
Fig. 1 is a schematic structural diagram I of a car hearth furnace door chain lifting device in this embodiment.
Fig. 2 is a schematic structural diagram II of a car bottom furnace door chain lifting device in this embodiment.
Fig. 3 is a schematic structural diagram III of a car bottom furnace door chain lifting device in this embodiment.
Fig. 4 is a front view of a car bottom furnace door chain lifting device according to the present embodiment.
In the drawings: the furnace comprises a support frame 1, a chute 1-1, a furnace door 2, a pulley 2-1, a driven double-chain wheel assembly 3, a driven chain wheel 3-1, a second driven chain wheel 3-2, a driving double-chain wheel assembly 4, a first main chain wheel 4-1, a second main chain wheel 4-2, a double-chain assembly 5, a first chain 5-1, a second chain 5-2, a support mechanism 6, a support pin 6-1, a lug 6-2, a hydraulic cylinder 7, an installation frame 7-1, a transmission double-chain wheel assembly 8-1, a first transmission chain wheel 8-2, a second transmission chain wheel 8-2 and a support steel plate 9.
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 fire door chain lifting gear, including supporting arm 1 and fire door 2 in connection with supporting arm 1 slidably, there are driven double-sprocket assemblies 3 above the said supporting arm 1, there are driving double-sprocket assemblies 4 corresponding to number of sprocket wheels of the driven double-sprocket assembly 3 below it; the furnace door lifting device is characterized by further comprising a double-chain assembly 5, wherein one end of the double-chain assembly 5 is fixed above the supporting frame 1, the other end of the double-chain assembly 5 is sequentially meshed with a driving double-chain wheel assembly 4 and a driven double-chain wheel assembly 3 and is connected with the upper end of the furnace door 2, the driving double-chain wheel assembly 4 is only mounted on a lifting device, and the lifting device ascends or descends along the vertical direction of the supporting frame 1;
the utility model with application number CN201920063988.4 discloses a furnace door lifting system for a trolley furnace, which drives a furnace door to lift along a sealing chute on a lifting frame by two motors fixed on the lifting frame through steel ropes respectively and winding guide wheels; however, such devices have the following problems in use: the device can drive the furnace door to lift through the steel rope winding guide wheel only by depending on two synchronous motors, but due to different working conditions of the motors, the problem that the motors run asynchronously is often generated after the device is used for a period of time, so that one side of the furnace door is lifted fast, the other side of the furnace door is lifted slowly, the furnace door is clamped in the chute, and the device is very inconvenient to use;
therefore, the utility model discloses equipment, through the double-chain assembly 5 that one end was fixed above support frame 1, the double-chain assembly 4 of initiative that meshes in proper order and set up in support frame 1 below is connected with driven double-chain assembly 3 and furnace gate 2 upper end that set up in support frame 1 above, and when needs closed the furnace gate, the hoisting device output stretches out, in this embodiment the hoisting device is pneumatic cylinder 7, pneumatic cylinder 7 drives initiative double-chain assembly 4 and rises, and double-chain assembly 5 above furnace gate 2 lengthens, and furnace gate 2 relies on dead weight and the double-chain assembly 5 that constantly lengthens to descend along support frame 1 because the quality is heavier, until furnace gate 2 is totally closed; when the furnace door needs to be opened, the output end of the hydraulic cylinder 7 retracts to drive the driving double-chain wheel component 4 to descend, and the double-chain wheel component 5 above the furnace door 2 is gradually shortened to drive the furnace door 2 to lift; because the device only depends on the hydraulic cylinder 7 to pull the double-chain assembly 5 to realize the lifting of the furnace door 2, and two synchronous motors are not needed for driving, the situation that one side of the furnace door is lifted fast, and the other side of the furnace door is lifted slowly, so that the furnace door is clamped in the chute is avoided.
A sliding chute 1-1 is formed in the inner side of the support frame 1, two sides of the furnace door 2 are respectively arranged in the sliding chute 1-1 in a sliding connection mode through pulleys 2-1, and a support mechanism 6 used for supporting the lifted furnace door 2 is further arranged on the sliding chute 1-1;
the utility model with application number CN201920063988.4 discloses a furnace door lifting system for a trolley furnace, which drives a furnace door to lift along a sealing chute on a lifting frame by two motors fixed on the lifting frame through steel ropes respectively and winding guide wheels; however, such devices have the following problems in use: when the furnace door is opened, the furnace door is only suspended on the lifting frame by the pulling force of the motor through the steel rope, but the furnace door of the trolley furnace is heavy, and the opening times are frequent when the furnace door is used, so the furnace door is suspended on the lifting frame by the pulling force of the motor, and the steel rope is easy to break or the motor is easy to damage;
therefore, in the present embodiment, a support mechanism 6 for supporting the lifted oven door 2 is installed on the chute 1-1 through which the oven door 2 is lifted or lowered, the support mechanism 6 includes a support pin 6-1 and an ear plate 6-2 installed on the support frame 1, and the support pin 6-1 penetrates through the chute 1-1 and is inserted into the ear plate 6-2.
The lower end of the furnace door 2 is supported by the support pin 6-1, so that the furnace door 2 disperses the mass of the furnace door 2 borne by the double-chain component 5 and the hydraulic cylinder 7, the double-chain component 5 is prevented from being broken or the hydraulic cylinder 7 is prevented from being damaged, and when the furnace door 2 needs to be put down, only the support pin 6-1 needs to be pulled out.
The driving double-chain wheel assembly 4 is mounted on a mounting frame 7-1 through a roller bearing, and the driven double-chain wheel assembly 3 is mounted on the support frame 1 through side-by-side roller bearings; the output end of the hydraulic cylinder 7 is fixedly connected with the mounting rack 7-1.
The driven double-chain wheel assembly 3 comprises a first driven chain wheel 3-1 arranged on the left side support frame 1 above the furnace door 2 and a second driven chain wheel 3-2 arranged on the right side support frame 1 above the furnace door 2; the driving double chain wheel assembly 4 comprises a first main chain wheel 4-1 and a second main chain wheel 4-2 which are arranged on a mounting 7-1 in parallel.
In order to enable the oven door 2 to be stably lifted or lowered, the utility model discloses a first driven sprocket 3-1 and a second driven sprocket 3-2 are installed on the left side support 1 and the right side support 1 above the oven door 2, the double-chain component 5 comprises a first chain 5-1 and a second chain 5-2 which are designed side by side, a transmission double-chain wheel component 8 is further installed between the driven double-chain wheel component 3 and the driving double-chain wheel component 4, and the transmission double-chain wheel component 8 comprises a first transmission sprocket 8-1 and a second transmission sprocket 8-2 which are installed side by side;
one end of the first chain 5-1 is fixed above the support frame 1, and the other end of the first chain is meshed with the first main chain wheel 4-1, the first transmission chain wheel 8-2 and the first driven chain wheel 3-1 in sequence and is connected with the upper end of the left side of the furnace door; one end of the second chain 5-2 is fixed above the support frame 1, and the other end of the second chain is meshed with the second main chain wheel 4-2, the second transmission chain wheel 8-2 and the second driven chain wheel 3-2 in sequence and is connected with the upper end of the right side of the furnace door;
in addition, by adopting the design, the output end of the hydraulic cylinder 7 does not need to be lifted or lowered to the same height as the furnace door, because the driving double-chain wheel component 4 is equivalent to a movable pulley in the lifting system, the driven double-chain wheel component 3 is equivalent to a fixed pulley, taking the closing of the furnace door 2 as an example, the hydraulic cylinder 7 drives the driving double-chain wheel component 4 to lift, the length of a chain which is lowered above the furnace door 2 is twice of the lifting height of the output end of the hydraulic cylinder 7, and the output end of the hydraulic cylinder 7 does not need to be lifted or lowered to the same height as the furnace door, and only needs to be lifted or lowered to half of the height.
The hydraulic cylinder 7 is fixed on one side of the support frame 1 through a support steel plate 9.
The working principle is as follows:
the utility model discloses equipment, through the double-chain assembly 5 that one end was fixed above support frame 1, the double-chain assembly 4 of initiative that meshes in proper order and set up in support frame 1 below is connected with driven double-chain assembly 3 and furnace gate 2 upper end that set up in support frame 1 above, and when needs closed the furnace gate, the hoisting device output stretches out, in this embodiment the hoisting device is pneumatic cylinder 7, pneumatic cylinder 7 drives initiative double-chain assembly 4 and rises, and double-chain assembly 5 above furnace gate 2 lengthens, and furnace gate 2 relies on dead weight and the double-chain assembly 5 that constantly lengthens to descend along support frame 1 because the quality is heavier per se, until furnace gate 2 is totally closed; when the furnace door needs to be opened, the output end of the hydraulic cylinder 7 retracts to drive the driving double-chain wheel component 4 to descend, and the double-chain wheel component 5 above the furnace door 2 is gradually shortened to drive the furnace door 2 to lift; because the device only depends on the hydraulic cylinder 7 to pull the double-chain assembly 5 to realize the lifting of the furnace door 2, and two synchronous motors are not needed for driving, the situation that one side of the furnace door is lifted fast, and the other side of the furnace door is lifted slowly, so that the furnace door is clamped in the chute is avoided.
A supporting mechanism 6 for supporting the lifted furnace door 2 is arranged on a chute 1-1 through which the furnace door 2 ascends or descends, the supporting mechanism 6 comprises a supporting pin 6-1 and an ear plate 6-2 arranged on a supporting frame 1, the supporting pin 6-1 penetrates through the chute 1-1 and is inserted into the ear plate 6-2, the lower end of the furnace door 2 is supported by the supporting pin 6-1, the furnace door 2 is dispersed by the mass of the furnace door 2 borne by a double-chain assembly 5 and a hydraulic cylinder 7, the double-chain assembly 5 is prevented from being broken or the hydraulic cylinder 7 is prevented from being damaged, and when the furnace door 2 needs to be put down, only the supporting pin 6-1 needs to be pulled out.
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 (10)
1. The utility model provides a platform truck stove furnace gate chain elevating gear which characterized in that: the furnace door comprises a support frame (1) and a furnace door (2) connected with the support frame (1) in a sliding manner, wherein a driven double-chain wheel assembly (3) is arranged above the support frame (1), and a driving double-chain wheel assembly (4) corresponding to the number of chain wheels of the driven double-chain wheel assembly (3) is arranged below the support frame; still include double-chain component (5), double-chain component (5) one end is fixed in support frame (1) top, and its other end meshes initiative double sprocket subassembly (4), driven double sprocket subassembly (3) in proper order and is connected with furnace gate (2) upper end, initiative double sprocket subassembly (4) are only installed on a hoisting device, hoisting device follows the ascending or decline of support frame (1) vertical direction.
2. The trolley furnace door chain lifting device as claimed in claim 1, wherein: the furnace door is characterized in that a sliding groove (1-1) is formed in the inner side of the support frame (1), two sides of the furnace door (2) are respectively arranged in the sliding groove (1-1) in a sliding connection mode through pulleys (2-1), and a supporting mechanism (6) used for supporting the lifted furnace door (2) is further arranged on the sliding groove (1-1).
3. The trolley furnace door chain lifting device as claimed in claim 2, wherein: the supporting mechanism (6) comprises a supporting pin (6-1) and an ear plate (6-2) installed on the supporting frame (1), and the supporting pin (6-1) penetrates through the sliding groove (1-1) and is inserted into the ear plate (6-2).
4. The trolley furnace door chain lifting device as claimed in claim 1, wherein: the driving double-chain wheel assembly (4) is installed on an installation frame (7-1) through roller bearings, and the driven double-chain wheel assembly (3) is installed on the support frame (1) through side-by-side roller bearings.
5. The trolley furnace door chain lifting device as claimed in claim 1, wherein: the driven double-chain wheel assembly (3) comprises a first driven chain wheel (3-1) arranged on a left side support frame (1) above the oven door (2) and a second driven chain wheel (3-2) arranged on a right side support frame (1) above the oven door (2).
6. The trolley furnace door chain lifting device as claimed in claim 5, wherein: the driving double-chain wheel assembly (4) comprises a first main chain wheel (4-1) and a second main chain wheel (4-2) which are arranged on the mounting frame (7-1) in parallel.
7. The trolley furnace door chain lifting device as claimed in claim 6, wherein: a transmission double-chain wheel assembly (8) is further arranged between the driven double-chain wheel assembly (3) and the driving double-chain wheel assembly (4), and the transmission double-chain wheel assembly (8) comprises a first transmission chain wheel (8-1) and a second transmission chain wheel (8-2) which are arranged in parallel.
8. The trolley furnace door chain lifting device as claimed in claim 7, wherein: the double-chain assembly (5) comprises a first chain (5-1) and a second chain assembly, wherein one end of the first chain assembly is fixed above the support frame (1), and the other end of the first chain assembly is meshed with a first main chain wheel (4-1), a first transmission chain wheel (8-1) and a first driven chain wheel (3-1) in sequence and is connected with the upper end of the left side of the furnace door; and a second chain (5-2) with one end fixed above the support frame (1) and the other end engaged with the second main chain wheel (4-2), the second transmission chain wheel (8-2), the second driven chain wheel (3-2) and the upper end of the right side of the furnace door in sequence.
9. The trolley furnace door chain lifting device as claimed in claim 6, wherein: the lifting device is a hydraulic cylinder (7), and the output end of the hydraulic cylinder (7) is fixedly connected with the mounting rack (7-1).
10. The trolley furnace door chain lifting device as claimed in claim 9, wherein: the hydraulic cylinder (7) is fixed on one side of the support frame (1) through a support steel plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021715680.2U CN212962820U (en) | 2020-08-17 | 2020-08-17 | Furnace door chain lifting device of trolley furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021715680.2U CN212962820U (en) | 2020-08-17 | 2020-08-17 | Furnace door chain lifting device of trolley furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212962820U true CN212962820U (en) | 2021-04-13 |
Family
ID=75356575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021715680.2U Active CN212962820U (en) | 2020-08-17 | 2020-08-17 | Furnace door chain lifting device of trolley furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212962820U (en) |
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2020
- 2020-08-17 CN CN202021715680.2U patent/CN212962820U/en active Active
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