CN208455036U - Fire door forces pressing device - Google Patents
Fire door forces pressing device Download PDFInfo
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- CN208455036U CN208455036U CN201820914523.0U CN201820914523U CN208455036U CN 208455036 U CN208455036 U CN 208455036U CN 201820914523 U CN201820914523 U CN 201820914523U CN 208455036 U CN208455036 U CN 208455036U
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- guide
- guide wheel
- fire door
- chain
- wheel
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Abstract
The utility model is a kind of fire door pressure pressing device, and structure includes door frame, guide wheel group, cylinder, chain, guide rail, two shafts, pivoted arm guiding group, guide rod, compression cylinder, furnace body, fire door, bearing block；Wherein, guide wheel group is mounted on door frame top, and fire door is located in the doorframe of door frame, and cylinder is fixed on the side of door frame, and the top of fire door is connected with one end of chain, and the other end of chain is connect after the guide wheel group on door frame top with cylinder；The bearing block that two shafts pass through respective upper and lower side respectively is fixed on the two sides on furnace body doorway, pivoted arm guiding group is fixed in shaft, one end of pivoted arm guiding group connects with compression cylinder, compression cylinder is fixed on the two sides of furnace body, the other end of pivoted arm guiding group connects with guide rail, guide rail connects with guide rod, and guide rod is fixed on the two sides of fire door.Advantage: 1) fire door lifting is steady, and safety increases；2) leakproofness of fire door is enhanced, service life increases.
Description
Technical field
The utility model relates to a kind of fire doors to force pressing device, belong to Equipment for Heating Processing fire door compaction techniques field.
Background technique
The fire door hold-down mechanism of current thermal treatment equipment is fitted without guide rod and guide rail at present, and fire door is in lifting process
It is middle that shaking is also easy to produce using such structure fire door；Forced area is smaller when fire door compresses, and long-play fire door is easy to produce
Deformation, reduces the service life of fire door.
Utility model content
The utility model proposes a kind of fire doors to force pressing device, and purpose aims to solve the problem that existing fire door was being gone up and down
Journey is easy to produce the problem of shaking.
The technical solution of the utility model: fire door forces pressing device, and structure includes door frame 1, guide wheel group 3, gas
Cylinder 4, chain 5, guide rail 6, two shafts 7, pivoted arm guiding group 8, guide rod 9, compression cylinder 10, furnace body 11, fire door 12, bearing
Seat 13；Wherein, guide wheel group 3 is mounted on 1 top of door frame, and fire door 12 is located in the doorframe of door frame 1, and cylinder 4 is fixed on the side of door frame 1
The top in face, fire door 12 is connected with one end of chain 5, the other end of chain 5 after the guide wheel group 3 on 1 top of door frame with cylinder 4
Connection；Two shafts 7 are fixed on the two sides on 11 doorway of furnace body by the bearing block 13 of respective upper and lower side respectively, fix in shaft 7
There is pivoted arm guiding group 8, one end of pivoted arm guiding group 8 connects with compression cylinder 10, and compression cylinder 10 is fixed on the two sides of furnace body 11,
The other end of pivoted arm guiding group 8 connects with guide rail 6, and guide rail 6 connects with guide rod 9, and guide rod 9 is fixed on the two of fire door 12
Side.
The advantages of the utility model:
1) guide rod 9 moves up and down in guide rail 6, and fire door 12 goes up and down track and is fixed, and fire door lifting is steady, safety
Increase；
2) guide rod 9 and the forced area of guide rail 6 are big, uniform force, it is not easy to generate deformation, enhance fire door 12
Leakproofness, service life increase.
Detailed description of the invention
Attached drawing 1 is the schematic view of the front view of the utility model.
Attached drawing 2 is the structural schematic diagram of guide wheel group and cylinder.
Attached drawing 3 is the structural schematic diagram of guide wheel.
Attached drawing 4 is the structural schematic diagram of pivoted arm guiding weldment.
Attached drawing 5 is the local overlooking structural schematic diagram that fire door forces pressing device side.
Attached drawing 6 is that fire door forces the positive local overlooking structural schematic diagram of pressing device.
1 is door frame in attached drawing, and 2 be counterweight, and 3 be guide wheel group, and 4 be cylinder, and 5 be chain, and 6 be guide rail, and 7 be shaft, 8
It is pivoted arm guiding group, 9 be guide rod, and 10 be compression cylinder, and 11 be furnace body, and 12 be fire door, and 13 be bearing block, and 14 be guide wheel bearing
Seat, 15 are sprocket wheels, and 16 be guide wheel shaft, and 17 be pivoted arm guiding weldment, and 18 be steel bushing, and 19 be optoelectronic switch.
Specific embodiment
Fire door forces pressing device, and structure includes door frame 1, guide wheel group 3, cylinder 4, chain 5, guide rail 6, and two
Shaft 7, pivoted arm guiding group 8, guide rod 9, compression cylinder 10, furnace body 11, fire door 12, bearing block 13；Wherein, guide wheel group 3 is installed
On 1 top of door frame, fire door 12 is located in the doorframe of door frame 1, and cylinder 4 is fixed on the side of door frame 1, the top of fire door 12 and chain
5 one end is connected, and the other end of chain 5 is connect after the guide wheel group 3 on 1 top of door frame with cylinder 4；Two shafts 7 are led to respectively
The bearing block 13 for crossing respective upper and lower side is fixed on the two sides on 11 doorway of furnace body, pivoted arm guiding group 8 is fixed in shaft 7, pivoted arm is led
Connect to one end of group 8 with compression cylinder 10, compression cylinder 10 is fixed on the two sides of furnace body 11, the other end of pivoted arm guiding group 8
Connect with guide rail 6, guide rail 6 connects with guide rod 9, and guide rod 9 is fixed on the two sides of fire door 12.
The guide wheel group 3 includes several guide wheels, and several guide wheels are evenly distributed on the top of door frame 1；Chain 5 includes first
Chain 5a, the second chain 5b, third chain 5c, the first chain 5a one end connect with the left-half of 12 upper end of fire door, first
The other end of chain 5a is connect after passing through guide wheel group 3 with cylinder 4, one end of the second chain 5b and the right half part of 12 upper end of fire door
Connection, the other end of the second chain 5b after guide wheel group 3 with cylinder 4 by connecting, one end and 12 upper end of fire door of third chain 5c
Middle connection, by being connected with counterweight 2 after guide wheel group 3, counterweight 2 and cylinder 4 are located at for the other end of third chain 5c
The left and right sides of guide wheel group 3.
The counterweight 23 is connected with the middle of 12 upper end of fire door after guide wheel group by third chain 5c, fire door
12 under cylinder 4 pulls when rising, and counterweight 2 is fallen；Counterweight 2 mainly plays safeguard protection, i.e., fire door 12, which breaks down, falls
When work as a buffer, avoid the rapidly whereabouts of fire door 12 suddenly；First chain 5a, the second chain 5b use the same cylinder 4
It drives, is conducive in 12 process of rising or falling of fire door, the first chain 5a, the second chain 5b movement velocity are synchronous, ensure that furnace
The phenomenon that lifting of 12 or so two half parts of door is synchronous, further avoids 12 run-off the straight of fire door.
Several described guide wheels are 5 guide wheels, and 5 guide wheels are evenly distributed on the top of door frame 1 along the width direction of furnace body 11
End, 5 guide wheels are in the surface of fire door 12 in the vertical direction；Cylinder 4 is located at the left side of guide wheel group 3, and counterweight 2 is located at guide wheel
The right side of group 3,5 guide wheels are from left to right followed successively by the first guide wheel 3-1, the second guide wheel 3-2, third guide wheel 3-3, four guide idler 3-
4, the other end of the 5th guide wheel 3-5, the first chain 5a are connect after passing through the second guide wheel 3-2 and the first guide wheel 3-1 with cylinder 4, the
The other end of two chain 5b is connect after passing through four guide idler 3-4 and the first guide wheel 3-1 with cylinder 4, the other end of third chain 5c
By being connect after third guide wheel 3-3 and the 5th guide wheel 3-5 with counterweight 2.
Each guide wheel includes guide wheel bearing block 14, guide wheel shaft 16, sprocket wheel 15, guide wheel bearing block 14 in 5 guide wheels
It is fixed on the top of door frame 1, guide wheel shaft 16 is mounted on guide wheel bearing block 14 by the bearing in guide wheel bearing block 14, guide wheel shaft
There is sprocket wheel 15 on 16；Sprocket wheel 15 on the first guide wheel 3-1 is Dual-tooth chain wheel, has the first row being parallel to each other in Dual-tooth chain wheel
Sprocket and the second row sprocket tooth, sprocket wheel 15, the sprocket wheel 15 on third guide wheel 3-3, four guide idler 3-4 on the second guide wheel 3-2
On sprocket wheel 15, sprocket wheel 15 on the 5th guide wheel 3-5 be monodentate sprocket wheel, an only row sprocket tooth on monodentate sprocket wheel, the first guide wheel
The first row sprocket tooth on 3-1 and the sprocket on the second guide wheel 3-2, the sprocket on third guide wheel 3-3, the 5th guide wheel 3-5
On sprocket on a horizontal line, the sprocket on the second row sprocket tooth and four guide idler 3-4 on the first guide wheel 3-1 exists
On another horizontal line, two horizontal lines are parallel to each other；The middle position of 12 upper end of third guide wheel 3-3 face fire door, first
Guide wheel 3-1 is located at the surface of cylinder 4, and third guide wheel 3-3 is located at the surface of counterweight 2；First chain 5a is wound on the first guide wheel
The first row sprocket tooth and the second guide wheel sprocket on, the second chain 5b is wound on the second row sprocket tooth and on the first guide wheel
On sprocket on four guide idler；The sprocket for the third guide wheel 3-3 that third chain 5c is wound on and the sprocket of the 5th guide wheel 3-5
On.
When work, when cylinder 4 stretches upward elongation, chain 5a and chain 5b drives under the gravity suffered by fire door 12
Fire door 12 declines, and the doorway of furnace body 11 is closed；At this point, chain 5c is sling with lower general who has surrendered's counterweight 2 of fire door 12；When cylinder 4
It pulls back when shrinking, chain 5a and chain 5b drive fire door 12 to rise, and the doorway of furnace body 11 is opened, and chain 5c is because on fire door at this time
It rises, counterweight 2 declines.
The doorframe of the door frame 1 includes horizontal segment and vertical section, and horizontal segment is located at the upper of fire door 12 as the top of door frame 1
Side, the upper end of vertical section and the left end of horizontal segment are fixedly connected, and the lower end of vertical section is fixed on the side of furnace body 11 by transverse bar
Face, one end of transverse bar and the lower end of vertical section are fixedly connected, and the side of the other end and furnace body 11 of transverse bar is fixedly connected, and erect
As the support rod of horizontal segment, cylinder 4 is fixed in vertical section straight section；When specific works, 4 tension belt of cylinder is taken offence the work of cylinder 4
When stopper rod extends upwards, chain 5a drives fire door 12 to decline under the action of chain 5b gravity suffered by fire door 12, by furnace body 11
Doorway close；At this point, chain 5c is sling with lower general who has surrendered's counterweight 2 of fire door 12；When cylinder 4 contraction pull back when, chain 5a with
Chain 5b drives fire door 12 to rise, and the doorway of furnace body 11 is opened, and chain 5c drives counterweight 2 to decline because fire door 12 rises at this time；Tool
The weight of body counterweight 2 is chosen according to the actual weight of fire door 12, due to the use of counterweight 2, so that fire door 12 rose or fell
Both sides stress is more balanced in journey, avoids the shaking of fire door 12.
The pivoted arm guiding group 8 is that several pivoted arms are oriented to weldment 17, several pivoted arms are oriented to weldment 17 and uniformly divide
Cloth is in the left and right sides of fire door 12；Each pivoted arm guiding weldment 17 includes two blocks of steel plates and a steel bushing 18, steel bushing
18 be cylindrical shape, and two pieces of respective one end of steel plate are welded with the side of steel bushing 18 respectively, and two blocks of steel plates are in same level, two
Angle between block steel plate is 135 °, and the one end of one of steel plate far from steel bushing 18 connects with compression cylinder 10, another block of steel
It is welded with corresponding guide rail 6 one end of plate far from steel bushing 18；Pivoted arm is oriented to weldment 17 by 18 sets of steel bushing in shaft 7
On, shaft 7 altogether there are two, two shafts 7 are separately fixed at the two sides of furnace body 11；The upper and lower side of each shaft 7 respectively has one
A bearing block 13, the upper and lower ends of each shaft 7 are through respectively in the bearing on corresponding bearing block 13, and shaft 7 passes through up and down
The bearing block 13 at end is fixed on the two sides of furnace body 11；Two shafts 7 are placed in vertical, and shaft 7 can rotate；The compression gas
Cylinder 10 is identical as the pivoted arm guiding quantity of weldment 17, and each compression cylinder 10 is each attached to the side of furnace body 11, and each pressure
Tight 10 present position of cylinder is corresponding with a pivoted arm guiding weldment 17, the piston rod of each compression cylinder 10 with it is corresponding
Pivoted arm guiding weldment 17 connect.
It is preferably closely closed between the piston rod of each compression cylinder 10 and corresponding pivoted arm guiding weldment 17
System is not fixedly connected between the piston rod of each compression cylinder 10 and corresponding pivoted arm guiding weldment 17, facilitates compression
Cylinder 10 heads on pivoted arm guiding weldment 17 and shaft 7 is driven to rotate together.
The pivoted arm guiding weldment 17 passes through 18 sets of steel bushing in shaft 7, and welds, and pivoted arm is oriented to 17 energy band of weldment
Turn axis 7 rotates together.
The guide rail 6 and guide rod 9 are two, and two guide rods 9 are fixed on the left and right sides of fire door 12 vertically respectively,
Each guide rod 9 is corresponding with a guide rail 6 to connect；Two guide rails 6 are the U-type groove that vertical direction is placed, each
The notch of guide rail 6 both faces towards corresponding guide rod 9, and guide rod 9 is in U-type groove, the diameter of guide rod 9 and the slot of U-type groove
Mouth width degree matches, and the back side of U-type groove and pivoted arm guiding weldment 17 weld；The upper and lower ends of each guide rod 9 are led to respectively
Cross the side that one block of lateral steel plate is welded on fire door 12.
When work, after fire door 12 drops to required position, starting compression cylinder 10, the piston rod of compression cylinder 10 stretches,
Compression cylinder 10 heads on pivoted arm guiding weldment 17 and shaft 7 is driven to rotate together；Under the drive of pivoted arm guiding weldment 17, lead
It is also rotated to track 6 toward furnace body direction, since guide rod 9 and fire door 12 are welded to entirety together, guide rod 9 is at this time by guided way
Squeezing on the inside of the groove of the U-type groove in road 6 drives fire door 12 to press to furnace body 11, completes the closing sealing of fire door 12, enhances sealing
Property；12 liang of side structures of fire door are identical, are all squeezed, and tight leakproofness is stronger.
The length of the guide rod 9 is less than the height of fire door 12 and is greater than 2/3rds of 12 height of fire door, 9 upper end of guide rod
It is not higher by the upper end of fire door 12,9 lower end of guide rod is not less than the lower end of fire door 12；The length of guide rail 6 meets guide rod 9 upper and lower
When movement, the top and bottom of guide rod 9 do not expose the top and bottom of guide rail 6；Since guide rod 9 is all in guiding
In track 6, ensure that guide rod 9 on the inside of guide rail 6 groove squish area it is sufficiently large so that fire door 12 is to 11 doorway of furnace body
9 bearing up-down force of guide rod is uniform when closing, is not in the situation that an end pressure is big, an end pressure is small, and such guide rod 9 is whole will not
Generate twist distortion；And guide rod 9 is longer, is whole stress by fire door 12 after guide rod 9, and fire door 12 is not in compress above
Apertured situation below, which enhances the leakproofness between fire door 12 and furnace body 11；The track 6 is preferably steel plate folding
The U-shaped groove curved；The guide rod 9 is a cylinder, and it is exactly that cylinder is transported in U-shaped groove that guide rod 9 moves in guide rail 6
It is dynamic.
The installation of bearing block 13 on the steel plate, the doorway two sides of furnace body 11 is welded on by steel plate.
The doorway two sides of the furnace body 11 can also be further provided with optoelectronic switch 19, the signal output of optoelectronic switch 19
End is connected with the signal input part of compression cylinder 10；After fire door 12 drops to required position, optoelectronic switch senses fire door 12
Signal is sent to compression cylinder 10 afterwards, starting compression cylinder 10 works, and further promotes the automation that fire door forces pressing device
Degree.
Several pivoted arms guiding weldment 17 is that 6 pivoted arms are oriented to weldment 17, and fire door 12 each side has 3
A pivoted arm is oriented to weldment 17, and 3 pivoted arms guiding 17 points of upper, middle and lower different heights of weldment of 12 the same side of fire door are distributed in together
In one shaft 7；The pivoted arm guiding weldment 17 of the top is located at the top of the top bearing block 13 in shaft 7, in shaft 7 most
The pivoted arm guiding weldment 17 of lower section is located at the lower section of bottom bearing block 13, defines the upper bottom of shaft 7 in this way
It sets；Doorway direction of 135 ° of angles towards furnace body 11 for being between two blocks of steel plates in each pivoted arm guiding weldment 17.
The door frame 1 and all preferred channel steel of fire door 12 and steel plate are welded, and ensure that intensity, facilitate various accessories
Installation.
The utility model is done by guide rod 9 along guide rail 6 by the way of guide rod 9 and the cooperation operation of guide rail 6
Elevating movement goes up and down fire door 12 steadily, and safety increases；Meanwhile guide rail 6 applies pressure to guide rod 9 when the compression of fire door 12
Power avoids and directly presses to fire door 12, reduce the injury to fire door 12, enhances 12 leakproofness of fire door, and service life increases
Add, has saved cost of equipment maintenance；The forced area of guide rod 9 is big simultaneously, and average force is small, and deformation is smaller, and oven door sealing increases
By force, service life increases.
Embodiment
Fire door forces pressing device, and structure has a door frame 1, counterweight 2, guide wheel group 3, cylinder 4, chain 5, guide rail 6,
Two shafts 7, pivoted arm guiding group 8, guide rod 9, compression cylinder 10, furnace body 11, fire door 12, bearing block 13,19 groups of optoelectronic switch
At；Wherein, guide wheel group 3 is mounted on 1 top of door frame, and fire door 12 is located in the doorframe of door frame 1, and cylinder 4 is fixed on the side of door frame 1
The top in face, fire door 12 is connected with one end of chain 5, the other end of chain 5 after the guide wheel group 3 on 1 top of door frame with cylinder 4
Connection；Two shafts 7 are fixed on the two sides on 11 doorway of furnace body by the bearing block 13 of respective upper and lower side respectively, fix in shaft 7
There is pivoted arm guiding group 8, one end of pivoted arm guiding group 8 connects with compression cylinder 10, and compression cylinder 10 is fixed on the two sides of furnace body 11,
The other end of pivoted arm guiding group 8 connects with guide rail 6, and guide rail 6 connects with guide rod 9, and guide rod 9 is fixed on the two of fire door 12
Side.
The guide wheel group 3 is made of 5 guide wheels, and 5 guide wheels are evenly distributed on the top of door frame 1；Chain 5 is by the first chain
5a, the second chain 5b, third chain 5c composition, one end of the first chain 5a are connect with the left-half of 12 upper end of fire door, and first
The other end of chain 5a is connect after passing through guide wheel group 3 with cylinder 4, one end of the second chain 5b and the right half part of 12 upper end of fire door
Connection, the other end of the second chain 5b after guide wheel group 3 with cylinder 4 by connecting, one end and 12 upper end of fire door of third chain 5c
Middle connection, by being connected with counterweight 2 after guide wheel group 3, counterweight 2 and cylinder 4 are located at for the other end of third chain 5c
The left and right sides of guide wheel group 3.
The counterweight 23 is connected with the middle of 12 upper end of fire door after guide wheel group by third chain 5c, fire door
12 under cylinder 4 pulls when rising, and counterweight 2 is fallen；Counterweight 2 mainly plays safeguard protection, i.e., fire door 12, which breaks down, falls
When work as a buffer, avoid the rapidly whereabouts of fire door 12 suddenly；First chain 5a, the second chain 5b use the same cylinder 4
It drives, is conducive in 12 process of rising or falling of fire door, the first chain 5a, the second chain 5b movement velocity are synchronous, ensure that furnace
The phenomenon that lifting of 12 or so two half parts of door is synchronous, further avoids 12 run-off the straight of fire door.
5 guide wheels are evenly distributed on the top of door frame 1 along the width direction of furnace body 11, and 5 guide wheels are in vertical direction
On be in the surface of fire door 12；Cylinder 4 is located at the left side of guide wheel group 3, and counterweight 2 is located at the right side of guide wheel group 3,5 guide wheels from
It is left-to-right to be followed successively by the first guide wheel 3-1, the second guide wheel 3-2, third guide wheel 3-3, four guide idler 3-4, the 5th guide wheel 3-5, first
The other end of chain 5a is connect after passing through the second guide wheel 3-2 and the first guide wheel 3-1 with cylinder 4, and the other end of the second chain 5b is logical
It is connect after crossing four guide idler 3-4 and the first guide wheel 3-1 with cylinder 4, the other end of third chain 5c passes through third guide wheel 3-3 and the
It is connect after five guide wheel 3-5 with counterweight 2.
Each guide wheel is made of guide wheel bearing block 14, guide wheel shaft 16, sprocket wheel 15 in 5 guide wheels, guide wheel bearing block
14 are fixed on the top of door frame 1, and guide wheel shaft 16 is mounted on guide wheel bearing block 14 by the bearing in guide wheel bearing block 14, guide wheel
There is sprocket wheel 15 on axis 16；Sprocket wheel 15 on the first guide wheel 3-1 is Dual-tooth chain wheel, has first to be parallel to each other in Dual-tooth chain wheel
Row sprocket tooth and the second row sprocket tooth, sprocket wheel 15, the sprocket wheel 15 on third guide wheel 3-3, four guide idler 3- on the second guide wheel 3-2
The sprocket wheel 15 on sprocket wheel 15, the 5th guide wheel 3-5 on 4 is monodentate sprocket wheel, an only row sprocket tooth on monodentate sprocket wheel, the first guide wheel
The first row sprocket tooth on 3-1 and the sprocket on the second guide wheel 3-2, the sprocket on third guide wheel 3-3, the 5th guide wheel 3-5
On sprocket on a horizontal line, the sprocket on the second row sprocket tooth and four guide idler 3-4 on the first guide wheel 3-1 exists
On another horizontal line, two horizontal lines are parallel to each other；The middle position of 12 upper end of third guide wheel 3-3 face fire door, first
Guide wheel 3-1 is located at the surface of cylinder 4, and third guide wheel 3-3 is located at the surface of counterweight 2；First chain 5a is wound on the first guide wheel
The first row sprocket tooth and the second guide wheel sprocket on, the second chain 5b is wound on the second row sprocket tooth and on the first guide wheel
On sprocket on four guide idler；The sprocket for the third guide wheel 3-3 that third chain 5c is wound on and the sprocket of the 5th guide wheel 3-5
On.
The doorframe of the door frame 1 includes horizontal segment and vertical section, and horizontal segment is located at the upper of fire door 12 as the top of door frame 1
Side, the upper end of vertical section and the left end of horizontal segment are fixedly connected, and the lower end of vertical section is fixed on the side of furnace body 11 by transverse bar
Face, one end of transverse bar and the lower end of vertical section are fixedly connected, and the side of the other end and furnace body 11 of transverse bar is fixedly connected, and erect
As the support rod of horizontal segment, cylinder 4 is fixed in vertical section straight section.
The pivoted arm guiding group 8 is that several pivoted arms are oriented to weldment 17, several pivoted arms are oriented to weldment 17 and uniformly divide
Cloth is in the left and right sides of fire door 12；Each pivoted arm guiding weldment 17 includes two blocks of steel plates and a steel bushing 18, steel bushing
18 be cylindrical shape, and two pieces of respective one end of steel plate are welded with the side of steel bushing 18 respectively, and two blocks of steel plates are in same level, two
Angle between block steel plate is 135 °, and the one end of one of steel plate far from steel bushing 18 connects with compression cylinder 10, another block of steel
It is welded with corresponding guide rail 6 one end of plate far from steel bushing 18；Pivoted arm is oriented to weldment 17 by 18 sets of steel bushing in shaft 7
On, shaft 7 altogether there are two, two shafts 7 are separately fixed at the two sides of furnace body 11；The upper and lower side of each shaft 7 respectively has one
A bearing block 13, the upper and lower ends of each shaft 7 are through respectively in the bearing on corresponding bearing block 13, and shaft 7 passes through up and down
The bearing block 13 at end is fixed on the two sides of furnace body 11；Two shafts 7 are placed in vertical, and shaft 7 can rotate；The compression gas
Cylinder 10 is identical as the pivoted arm guiding quantity of weldment 17, and each compression cylinder 10 is hinged on the side of furnace body 11, and each pressure
Tight 10 present position of cylinder is corresponding with a pivoted arm guiding weldment 17, the piston rod of each compression cylinder 10 with it is corresponding
Pivoted arm guiding weldment 17 it is hinged.
The pivoted arm guiding weldment 17 passes through 18 sets of steel bushing in shaft 7, and welds, and pivoted arm is oriented to 17 energy band of weldment
Turn axis 7 rotates together.
The guide rail 6 and guide rod 9 are two, and two guide rods 9 are fixed on the left and right sides of fire door 12 vertically respectively,
Each guide rod 9 is corresponding with a guide rail 6 to connect；Two guide rails 6 are the U-type groove that vertical direction is placed, each
The notch of guide rail 6 both faces towards corresponding guide rod 9, and guide rod 9 is in U-type groove, the diameter of guide rod 9 and the slot of U-type groove
Mouth width degree matches, and the back side of U-type groove and pivoted arm guiding weldment 17 weld；The upper and lower ends of each guide rod 9 are led to respectively
Cross the side that one block of lateral steel plate is welded on fire door 12.
The length of the guide rod 9 is less than the height of fire door 12 and is greater than 2/3rds of 12 height of fire door, 9 upper end of guide rod
It is not higher by the upper end of fire door 12,9 lower end of guide rod is not less than the lower end of fire door 12；The length of guide rail 6 meets guide rod 9 upper and lower
When movement, the top and bottom of guide rod 9 do not expose the top and bottom of guide rail 6；Since guide rod 9 is all in guiding
In track 6, ensure that guide rod 9 on the inside of guide rail 6 groove squish area it is sufficiently large so that fire door 12 is to 11 doorway of furnace body
9 bearing up-down force of guide rod is uniform when closing, is not in the situation that an end pressure is big, an end pressure is small, and such guide rod 9 is whole will not
Generate twist distortion；And guide rod 9 is longer, is whole stress by fire door 12 after guide rod 9, and fire door 12 is not in compress above
Apertured situation below, which enhances the leakproofness between fire door 12 and furnace body 11；The track 6 is preferably steel plate folding
The U-shaped groove curved；The guide rod 9 is a cylinder, and it is exactly that cylinder is transported in U-shaped groove that guide rod 9 moves in guide rail 6
It is dynamic.
The installation of bearing block 13 on the steel plate, the doorway two sides of furnace body 11 is welded on by steel plate.
The doorway two sides of furnace body 11, the signal output end and compression cylinder of optoelectronic switch 19 is arranged in the optoelectronic switch 19
10 signal input section is connected；After fire door 12 drops to required position position, optoelectronic switch gives compression gas after sensing fire door 12
Cylinder 10 sends signal, and starting compression cylinder 10 works, and further promotes the degree of automation that fire door forces pressing device.
Several pivoted arms guiding weldment 17 is that 6 pivoted arms are oriented to weldment 17, and fire door 12 each side has 3
A pivoted arm is oriented to weldment 17, and 3 pivoted arms guiding 17 points of upper, middle and lower different heights of weldment of 12 the same side of fire door are distributed in together
In one shaft 7；The pivoted arm guiding weldment 17 of the top is located at the top of the top bearing block 13 in shaft 7, in shaft 7 most
The pivoted arm guiding weldment 17 of lower section is located at the lower section of bottom bearing block 13, defines the upper bottom of shaft 7 in this way
It sets；Doorway direction of 135 ° of angles towards furnace body 11 for being between two blocks of steel plates in each pivoted arm guiding weldment 17.
The door frame 1 and all preferred channel steel of fire door 12 and steel plate are welded, and ensure that intensity, facilitate various accessories
Installation.
Claims (9)
1. fire door forces pressing device, it is characterized in that including door frame (1), guide wheel group (3), cylinder (4), chain (5), guide rail
(6), two shafts (7), pivoted arm guiding group (8), guide rod (9), compression cylinder (10), furnace body (11), fire door (12), bearing block
(13)；Wherein, guide wheel group (3) is mounted on door frame (1) top, and fire door (12) is located in the doorframe of door frame (1), and cylinder (4) is fixed
In the side of door frame (1), the top of fire door (12) is connected with one end of chain (5), and the other end of chain (5) is through door frame (1)
The guide wheel group (3) on top is connect with cylinder (4) afterwards；Two shafts (7) are fixed by the bearing block (13) of respective upper and lower side respectively
Pivoted arm guiding group (8), one end of pivoted arm guiding group (8) and compression gas are fixed on the two sides on furnace body (11) doorway, shaft (7)
Cylinder (10) connects, and compression cylinder (10) is fixed on the two sides of furnace body (11), the other end and guide rail of pivoted arm guiding group (8)
(6) connect, guide rail (6) connects with guide rod (9), and guide rod (9) is fixed on the two sides of fire door (12).
2. fire door according to claim 1 forces pressing device, it is characterized in that the chain (5) includes the first chain
(5a), the second chain (5b), third chain (5c), one end of the first chain (5a) and the left-half of fire door (12) upper end connect
It connects, the other end of the first chain (5a) is connect with cylinder (4) afterwards by guide wheel group (3), one end of the second chain (5b) and fire door
(12) the right half part connection of upper end, the other end of the second chain (5b) are connect with cylinder (4) afterwards by guide wheel group (3), third
One end of chain (5c) is connect with the middle of fire door (12) upper end, and the other end of third chain (5c) passes through after guide wheel group (3)
It is connected with counterweight (2), counterweight (2) and cylinder (4) are located at the left and right sides of guide wheel group (3).
3. fire door according to claim 2 forces pressing device, it is characterized in that the guide wheel group (3) includes 5 guide wheels, 5
A guide wheel is evenly distributed on the top of door frame (1) along the width direction of furnace body (11), and 5 guide wheels are in fire door in the vertical direction
(12) surface；Cylinder (4) is located at the left side of guide wheel group (3), and 5 guide wheels are from left to right followed successively by the first guide wheel (3-1),
The other end of two guide wheels (3-2), third guide wheel (3-3), four guide idler (3-4), the 5th guide wheel (3-5), the first chain (5a) is logical
It crosses the second guide wheel (3-2) and the first guide wheel (3-1) is connect with cylinder (4) afterwards, the other end of the second chain (5b) is led by the 4th
Wheel (3-4) and the first guide wheel (3-1) are connect with cylinder (4) afterwards, the other end of third chain (5c) pass through third guide wheel (3-3) and
5th guide wheel (3-5) is connect with counterweight (2) afterwards.
4. fire door according to claim 3 forces pressing device, it is characterized in that each guide wheel includes in 5 guide wheels
Guide wheel bearing block (14), guide wheel shaft (16), sprocket wheel (15), guide wheel bearing block (14) are fixed on the top of door frame (1), guide wheel shaft
(16) it is mounted on guide wheel bearing block (14) by the bearing in guide wheel bearing block (14), there is sprocket wheel (15) on guide wheel shaft (16)；
Sprocket wheel (15) on first guide wheel (3-1) is Dual-tooth chain wheel, have in Dual-tooth chain wheel the first row sprocket tooth being parallel to each other and
Second row sprocket tooth, sprocket wheel (15), the sprocket wheel (15) on third guide wheel (3-3), four guide idler (3- on the second guide wheel (3-2)
4) sprocket wheel (15) on sprocket wheel (15), the 5th guide wheel (3-5) on is monodentate sprocket wheel, an only row chain wheel on monodentate sprocket wheel
Tooth, the first row sprocket tooth and the sprocket on the second guide wheel (3-2), the chain on third guide wheel (3-3) on the first guide wheel (3-1)
Sprocket on the gear teeth, the 5th guide wheel (3-5) is on one article of horizontal line, the second row sprocket tooth on the first guide wheel (3-1) and
On another horizontal line, two horizontal lines are parallel to each other sprocket on four guide idler (3-4)；Third guide wheel (3-3) face furnace
The middle position of door (12) upper end, the first guide wheel (3-1) are located at the surface of cylinder (4), and third guide wheel (3-3) is located at counterweight
(2) surface；First chain (5a) is wound on the first row sprocket tooth of the first guide wheel and the sprocket of the second guide wheel, the second chain
Article (5b) is wound on the second row sprocket tooth on the first guide wheel and the sprocket on four guide idler；Third chain (5c) is wound on third
On the sprocket of the sprocket of guide wheel (3-3) and the 5th guide wheel (3-5).
5. fire door according to claim 1 forces pressing device, it is characterized in that the pivoted arm guiding group (8) is several turns
Arm is oriented to weldment (17), several pivoted arms guiding weldment (17) is evenly distributed on the left and right sides of fire door (12)；It is described every
A pivoted arm guiding weldment (17) includes two blocks of steel plates and a steel bushing (18), and steel bushing (18) is cylindrical shape, and two blocks of steel plates are each
From one end respectively with the side of steel bushing (18) weld, in same level, the angle between two blocks of steel plates is two blocks of steel plates
135 °, the one end of one of steel plate far from steel bushing (18) connects with compression cylinder (10), and another block of steel plate is far from steel bushing (18)
One end and corresponding guide rail (6) weld；Pivoted arm guiding weldment (17) is covered on shaft (7) by steel bushing (18), is turned
There are two axis (7) is total, two shafts (7) are separately fixed at the two sides of furnace body (11)；The upper and lower side of each shaft (7) respectively has
One bearing block (13), the upper and lower ends of each shaft (7) are through respectively in the bearing on corresponding bearing block (13), shaft
(7) two sides of furnace body (11) are fixed on by the bearing block of upper and lower side (13)；Two shafts (7) are placed in vertical；The pressure
Tight cylinder (10) is identical as the pivoted arm guiding quantity of weldment (17), and each compression cylinder (10) is each attached to the side of furnace body (11)
Face, and each compression cylinder (10) present position is corresponding with pivoted arm guiding weldment (17), each compression cylinder
(10) piston rod connects with corresponding pivoted arm guiding weldment (17).
6. fire door according to claim 5 forces pressing device, it is characterized in that the guide rail (6) and guide rod (9) are equal
Be two, two guide rods (9) are fixed on the left and right sides of fire door (12) vertically respectively, each guide rod (9) with a guided way
Road (6) correspondence connects；Two guide rails (6) are the U-type groove that vertical direction is placed, and the notch of each guide rail (6) is equal
Towards corresponding guide rod (9), guide rod (9) is in U-type groove, the diameter and the width of rebate phase of U-type groove of guide rod (9)
Match, the back side of U-type groove and pivoted arm guiding weldment (17) welding；The upper and lower ends of each guide rod (9) pass through one piece respectively
Lateral steel plate is welded on the side of fire door (12).
7. fire door according to claim 1 forces pressing device, it is characterized in that the length of the guide rod (9) is less than fire door
(12) height and it is greater than 2/3rds of fire door (12) height, guide rod (9) upper end is not higher by the upper end of fire door (12), guide rod
(9) lower end is not less than the lower end of fire door (12)；The length of guide rail (6) meets guide rod (9) when moving up and down, guide rod (9)
Top and bottom do not expose the top and bottom of guide rail (6).
8. fire door according to claim 1 forces pressing device, it is characterized in that the doorway two sides of the furnace body (11) are also set
It is equipped with optoelectronic switch (19), the signal output end of optoelectronic switch (19) is connected with the signal input part of compression cylinder (10).
9. fire door according to claim 5 forces pressing device, it is characterized in that several described pivoted arms are oriented to weldment
(17) weldment (17) are oriented to for 6 pivoted arms, fire door (12) each side has 3 pivoted arm guiding weldment (17), fire door
(12) 3 pivoted arms guiding weldment (17) point upper, middle and lower different height of the same side is distributed on the same shaft (7)；It is each to turn
Doorway direction of 135 ° of angles towards furnace body (11) for being between two blocks of steel plates in arm guiding weldment (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914523.0U CN208455036U (en) | 2018-06-13 | 2018-06-13 | Fire door forces pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914523.0U CN208455036U (en) | 2018-06-13 | 2018-06-13 | Fire door forces pressing device |
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| Publication Number | Publication Date |
|---|---|
| CN208455036U true CN208455036U (en) | 2019-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260664A (en) * | 2019-06-05 | 2019-09-20 | 浙江智造热成型科技有限公司 | Stove-door switching mechanism in heating furnace |
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2018
- 2018-06-13 CN CN201820914523.0U patent/CN208455036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260664A (en) * | 2019-06-05 | 2019-09-20 | 浙江智造热成型科技有限公司 | Stove-door switching mechanism in heating furnace |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Closing device is forced to furnace gate Effective date of registration: 20200120 Granted publication date: 20190201 Pledgee: Bank of Jiangsu, Limited by Share Ltd, Nanjing Pukou branch Pledgor: Nanjing Zijiang furnace industry Co. Ltd. Registration number: Y2020320000093 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220117 Granted publication date: 20190201 Pledgee: Bank of Jiangsu Limited by Share Ltd. Nanjing Pukou branch Pledgor: ZIJIANG FURNACE INDUSTRY NANJING CO.,LTD. Registration number: Y2020320000093 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |