CN209621894U - Constant speed ramp-down device - Google Patents
Constant speed ramp-down device Download PDFInfo
- Publication number
- CN209621894U CN209621894U CN201920283236.9U CN201920283236U CN209621894U CN 209621894 U CN209621894 U CN 209621894U CN 201920283236 U CN201920283236 U CN 201920283236U CN 209621894 U CN209621894 U CN 209621894U
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- Prior art keywords
- constant speed
- movable block
- pin
- driving wheel
- limit body
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- 230000000694 effects Effects 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000007423 decrease Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 210000003464 cuspid Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model discloses constant speed ramp-down devices, belong to slow drop apparatus field, including rope-clamping wheel assembly, the deceleration mechanism being connect with rope-clamping wheel assembly and the constant speed mechanism being connect with deceleration mechanism, constant speed mechanism includes the driving wheel connecting with deceleration mechanism and the limit body for being set to driving wheel periphery, it is evenly equipped in drive wheel circumferences through pin connection, it is provided centrally with the movable block that inner hole is greater than pin diameter, movable block is moved out by the effect of centrifugal force when driving wheel rotates collides with limit body, movable block is pushed movable block to move inward by the reaction of limit body.The utility model guarantees to reduce manufacturing cost while constant speed performance is stablized.
Description
Technical field
The utility model relates to slow drop equipment, the control device of especially a kind of control object constant revolution or movement is used
In fields such as fire-fighting life-saving, elevator, high altitude operation, catching device, cableway, petroleum, mines.
Background technique
In production and life, a variety of places are related to people or object being transported to lower from eminence.When decline, in gravity
Under effect, people or object meeting acceleration are moved downward, and are easy to occur dangerous.So transport people or object need to use from eminence to lower
The device to fall to control constant speed.
Currently, including constant-speed control device, general life-escaping slow-landing in the escaping descent control device installed outside skyscraper
Device uses centrifugal friction mechanism all to control the speed when decline of high-altitude human body, and this organization volume is big, by human body weight when decline
Amount limitation, decrease speed is unstable, and the centrifugal friction block in descending lifeline easily causes descending lifeline to fail because frictional heating is impaired, and
And centrifugal friction block goes out once to enter the easy failure modes such as water, oil, to cause human casualty accident in escape process.
Patent CN105936454A discloses a kind of constant-speed control device, including permanent revolving speed mechanism, rope-clamping wheel assembly and connection
The planetary gear train of rope-clamping wheel assembly and permanent revolving speed mechanism, rope-clamping wheel assembly and planetary gear train form a deceleration mechanism to being wound on folder
Wirerope on rope wheel component implements slowing effect.Rope-clamping wheel assembly, planetary gear train and permanent revolving speed mechanism are all disposed within central axis
On, and be successively set in cylindric shell from the front to the back, shell rear and front end is fixedly installed with front shroud and back shroud,
Central axis is worn on the centre bore connect on front shroud and back shroud simultaneously, realizes carrying and fixation to central axis.Permanent tachogenerator
Structure includes the drive block connecting with deceleration mechanism, and the slideway of the outer end opening along radius radially outward is provided on drive block, sliding
It is equipped with the sliding block moved along slideway in road, several corresponding with drive block outer circle and sliding block pair is uniformly arranged outside drive block
The fixed speed control block in continuous concaveconvex structure that sliding block can be pushed to move inward along slideway should be cooperated.Although the constant speed of this patent
Effect and structural stability are preferable, but the component of constant-speed control device is more, and are all much workpieces, and machining accuracy has
Stringent limitation, while the assembling of multiple components also brings along cumulative errors, the constant-speed control device of especially this structure is very
Multi-part requires to be machined, and production cost is higher.
Utility model content
The utility model technical issues that need to address are to provide a kind of constant speed ramp-down device, guarantee that constant speed performance is stable
Manufacturing cost is reduced simultaneously.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:
Constant speed ramp-down device, including rope-clamping wheel assembly, the deceleration mechanism being connect with rope-clamping wheel assembly and with deceleration mechanism
The constant speed mechanism of connection, constant speed mechanism include the driving wheel connecting with deceleration mechanism and the limit for being set to driving wheel periphery
Body is evenly equipped with movable block connecting by pin, being provided centrally with inner hole and be greater than pin diameter, driving wheel in drive wheel circumferences
Movable block is moved out by the effect of centrifugal force and is collided with limit body when rotation, and movable block is pushed by the reaction of limit body
Movable block moves inward.
Technical solutions of the utility model further improvement lies in that: there are two driving wheel settings, and two are oppositely arranged
Driving wheel be fixedly connected by pin, the movable block is arranged between two driving wheels.
Technical solutions of the utility model further improvement lies in that: be provided on the circumference of the pin both ends restriction two drive
The step of distance between driving wheel, the pin are stud or rivet.
Technical solutions of the utility model further improvement lies in that: be arranged a cylinder outside the pin and form the step
Or pin excircle both ends process two shoulders and form the step.
Technical solutions of the utility model further improvement lies in that: the movable block cross section is round, ellipse, polygon
Any one in shape, movable block inner hole cross section is round, ellipse, both ends are any one in the rectangle of circular arc
Kind.
Technical solutions of the utility model further improvement lies in that: limit body is arranged in a cylindric shell, institute
Stating limit body is the spaced protrusion in setting on the inner wall of the housing, and the protrusion is arc, in trapezoidal or triangle
It is any.
Technical solutions of the utility model further improvement lies in that: the limit body is cylindrical limited post.
Technical solutions of the utility model further improvement lies in that: protection sleeve pipe is arranged with outside the limited post.
Technical solutions of the utility model further improvement lies in that: the constant speed mechanism and deceleration mechanism setting mainly by
Front panel, rear panel and front panel and rear panel are worn in the mounting rack for connecing composition by the fixation of frame body bolt, the constant speed
Distance piece is provided between mechanism and deceleration mechanism, the limited post setting is in front between plate and distance piece.
Technical solutions of the utility model further improvement lies in that: the mounting rack upper end is connected with hoisting ring, mounting rack
It is provided with shell outside, the installing port of hoisting ring is arranged in upper shell, and shell lower end is provided with the entrance of wirerope.
By adopting the above-described technical solution, the technological progress that the utility model obtains is:
It is provided with limit body outside the driving wheel of the utility model constant speed mechanism, is connected in multiple on driving wheel by pin
Hole is greater than the movable block of pin diameter, and movable block is thrown out of with the rotation of driving wheel because limit body be it is fixed, work as
After movable block encounters limit body, and be pulled to the direction at driving wheel center, so constantly in collision process, the rotation of driving wheel by
To limitation；Driving wheel drives movable block and limit body impact several times, according to the coefficient of elasticity principle of material, when collision frequency reaches
When one limiting value, collision frequency will be fixed up in certain time, and limit body gives movable block one constant resistance, therefore
Gear in deceleration mechanism can also reach a constant rotational speed, and the rope-clamping wheel finally connecting with deceleration mechanism can also keep a perseverance
Fixed revolving speed, it is final to realize constant speed effect.
The revolving speed of driving wheel is related with the quantity of movable block and limit body, therefore the movement velocity setting that can according to need
The size and quantity of movable block and limit body.The quantity of limit body is fewer than movable block, guarantees to be bound to when movable block is thrown away
It collides with limit body.Consider that limit body can be arranged 4 by manufacturing cost while guaranteeing that constant speed performance is stablized, movable block
Setting 5.
Driving wheel is arranged two, and the opposite stable clamping for connecting and forming an installation activity block of two driving wheels is empty
Between.
There are two steps for setting on the circumference of pin both ends, can control distance between driving wheel, step can be by pin
A cylinder is arranged outside column to be formed, and is also possible to directly process two shoulders at pin excircle both ends, two kinds of forms are all up
To limit purpose.Cylinder is socketed outside pin simultaneously can play the protective effect to pin, avoid pin in collision process
It all replaces, prolongs the service life after sharply wearing and damage.
Limit body can be the raised limit that can also be cylindrical for the various shapes being arranged on cylinder shell inner wall
Protection sleeve pipe can be arranged when selecting limited post in column outside limited post, and protection sleeve pipe hardness and wearability are stronger, and limited post is avoided to exist
It sharply wears, prolongs the service life in collision process.
The movable block of the utility model and most limited post be arranged to it is equally distributed, can make movable block and limit
After the column collision of position, movable block each section uniform stressed keeps its rotation more smooth, is not easy clamping stagnation, is hardly damaged.Wherein circumference leans on
Several limited posts of upper position are not the arrangement being uniformly arranged, but more compact, and purpose is also in constant speed mechanism
The top position in two sides reserves certain installation space, connects the components such as wirerope convenient for wearing.
Movable block selects hex nut or does not carry out the hex nut of internal thread machining, and stud can be selected in pin, some
The selection of common part even standard component further decreases manufacturing cost.
The utility model includes constant speed mechanism, rope-clamping wheel assembly and deceleration mechanism, and deceleration mechanism is by the rotation of rope-clamping wheel assembly
Transhipment is dynamic to be transmitted in constant speed mechanism, after being inserted in wirerope in the rope-clamping wheel of rope-clamping wheel assembly, when pulling wirerope, and rope-clamping wheel
It will drive deceleration mechanism and the rotation of constant speed mechanism.The utility model can be used for tall-building fire fighting escape, elevator or cableway, mine fortune
Send the fixed speed control of equipment, the security protection of high altitude operation, in the equipment in the fields such as catching device.The constant speed machine of the utility model
Structure, deceleration mechanism, rope-clamping wheel assembly are all disposed within interior of shell, shadow of the prevention use process external environment to the utility model
It rings, promotes the security performance of the utility model.
Detailed description of the invention
Fig. 1 is one structural schematic diagram of the utility model embodiment；
Fig. 2 is Fig. 1 explosive decomposition figure；
Fig. 3 is the explosive decomposition figure of the utility model constant speed mechanism；
Fig. 4 is a kind of structural schematic diagram of the utility model movable block；
Fig. 5 is another structural schematic diagram of the utility model movable block；
Fig. 6 is another structural schematic diagram of the utility model movable block；
Fig. 7 is another structural schematic diagram of the utility model movable block；
Fig. 8 is another structural schematic diagram of the utility model movable block；
Fig. 9 is another structural schematic diagram of the utility model movable block；
Figure 10 is the structural schematic diagram of two limit body of the utility model embodiment；
Figure 11 is another structural schematic diagram of two limit body of the utility model embodiment；
Figure 12 is the yet another construction schematic diagram of two limit body of the utility model embodiment；
Wherein, 1, driving wheel, 2, pin, 3, movable block, 4, limited post, 5, protrusion, 6, front panel, 7, rear panel, 8, folder
Rope sheave, 9, frame body bolt, 10, distance piece, 11, hoisting ring.
Specific embodiment
The utility model is described in further details below with reference to embodiment:
Embodiment one
Constant speed ramp-down device, as shown in Figures 1 to 3, including rope-clamping wheel assembly, the deceleration mechanism being connect with rope-clamping wheel assembly with
And the constant speed mechanism being connect with deceleration mechanism, constant speed mechanism and deceleration mechanism are arranged in mounting rack, before mounting rack mainly includes
Panel 6 and rear panel 7, front panel 6 and rear panel 7 are worn by frame body bolt 9 and connect fixation.Constant speed mechanism includes connecting with deceleration mechanism
The driving wheel 1 connect is evenly equipped with the movable block 3 connected by pin 2 on 1 circumference of driving wheel, and movable block 3 is provided centrally with greater than pin
The inner hole of 2 diameter of column, driving wheel 1 can drive movable block 3 to rotate when rotating, and 3 outer rim of movable block being thrown out of is more than driving wheel
Excircle.Wherein movable block 3 is certain thickness laminated structure, and as shown in Fig. 4~9,3 cross section of movable block is round, oval
Any one of shape, polygon, for both ends being designed to, circular arc, 3 inner hole of movable block are transversal when rectangle or square
The rectangle that face is round, ellipse, both ends are circular arc any one.It is several right with movable block 3 to be evenly arranged with outside driving wheel 1
The cylindrical limited post 4 answered, limited post 4 can push movable block 3 to move inward.Wherein limited post 4 is fixed or is hinged on
On the front panel 6 and rear panel 7 of mounting rack.It is provided with and is limited between front panel 6 and rear panel 7 on 4 both ends circumference of limited post
The step of distance can be arranged a protection sleeve pipe outside limited post 4 and form the step, can also be in 4 excircle of limited post
Both ends process two shoulders and form the step.Protection sleeve pipe select hard rigid material, such as No. 45 steel, No. 60 steel, 65Mn or
Any one of 60SiMn etc. hard rigid material, hardness and wearability are stronger, and limited post is avoided sharply to grind in collision process
Damage, prolongs the service life.
Wherein two limited posts 4 of the two sides of 1 circumference upper top of driving wheel can also be arranged to not be evenly arranged,
Two limited posts 4 of the two sides at top are moved up into a distance each along circumference, wirerope can be installed by reserving one
Space, be convenient for assembly operation.
The utility model movable block 3 is thrown out of with the rotation of driving wheel 1 because limited post 4 be it is fixed, when live
After motion block 3 encounters limited post 4, and it is pulled to the direction at 1 center of driving wheel, so constantly in collision process, the rotation of driving wheel 1
It is restricted；Driving wheel 1 drives movable block 3 and 4 impact several times of limited post, according to the coefficient of elasticity principle of material, when collision frequency
When rate reaches a limiting value, collision frequency will be fixed up in certain time, and limited post 4 is constant to movable block 3 one
Resistance, therefore deceleration mechanism can also reach a constant rotational speed, it is final to realize constant speed effect.
There are two the preferred settings of driving wheel 1, and two driving wheels 1 are oppositely arranged and are fixedly connected by pin 2, movable block
3 are arranged on the pin 2 between two driving wheels 1, and the opposite connection of two driving wheels 1 can form the steady of an installation activity block 3
Fixed grasping part.The step for limiting distance between two driving wheels 1 is wherein provided on 2 both ends circumference of pin, pin 2 is spiral shell
Column or rivet.The formation of step can be arranged a cylinder outside pin 2 and form the step there are many form, also
Two shoulders can be processed at 2 excircle both ends of pin form the step.
The revolving speed of driving wheel 1 is related with the quantity of movable block 3 and limited post 4, therefore the movement velocity that can according to need
The size and quantity of movable block 3 and limited post 4 are set.The quantity of limited post 4 is fewer than movable block 3, can be one or several less,
Guarantee to be bound to collide with limited post 4 when movable block 3 is thrown away.Guarantee constant speed performance stablize while consider manufacture at
Limited post originally can be arranged to 4, movable block is arranged 5.
Rope-clamping wheel assembly includes rope-clamping wheel 8 and the wire line guide that is arranged in below rope-clamping wheel 8.It is set on rope-clamping wheel 8
The V shaped wheel slot of winding wire ropes is set, is formed with decorative pattern on the side wall of race.Rope-clamping wheel 8 can also be sprocket wheel, gear, belt wheel simultaneously
Equal driving wheels, wirerope is also required to be made into the chain matched with sprocket wheel, gear, belt wheel etc., rack gear or belt at this time.Steel wire
Restrict guiding device include three rotatable wire rope guide wheels being triangularly arranged, wherein the two of top wire rope guide wheel it
Between be provided with a cylindrical hollow positioning column, hollow positioning column is hinged in an alignment pin, alignment pin both ends hinge
It connects on the rear panel of mounting rack.Mounting rack upper end is equipped with hoisting ring 11, and shell, upper shell setting are equipped with outside mounting rack
The installing port of hoisting ring 11, shell lower end are provided with the entrance of wirerope.
The present embodiment selects a kind of secondary gear gear, the level-one gear wheel including being fixed on 8 side of rope-clamping wheel, and one
Grade gear wheel is engaged with a level-one pinion gear, and a second level gear wheel, second level canine tooth are fixedly and coaxially connected in level-one pinion gear
Wheel is engaged with a second level pinion gear again, and second level pinion gear is finally connect with constant speed mechanism, and wherein deceleration mechanism can be existing
Any deceleration mechanism, be not limited only to above-mentioned The gear deceleration.
One distance piece 10, distance piece 10 and front panel and rear panel can be also set between constant speed mechanism and deceleration mechanism
Shape it is similar, distance piece is placed among front panel and rear panel, the space of mounting rack is separated into two parts by distance piece.This
When limited post 4 wear and connect on distance piece 10, distance piece 10 is provided centrally with the jack hole passed through for second level pinion gear.
Embodiment two
The difference between this embodiment and the first embodiment lies in the structure of limit body, limit body is arranged in cylindrical shell body, shell
Body is fixedly mounted between front panel and distance piece.Limit body is spaced raised 5 in setting on the inner wall of the housing, protrusion
5 be any one of arc, trapezoidal or triangle.
Claims (10)
1. constant speed ramp-down device connects including rope-clamping wheel assembly, the deceleration mechanism connecting with rope-clamping wheel assembly and with deceleration mechanism
The constant speed mechanism connect, it is characterised in that: constant speed mechanism includes the driving wheel (1) connecting with deceleration mechanism and is set to driving wheel
(1) peripheral limit body, be evenly equipped on driving wheel (1) circumference it is being connected by pin (2), be provided centrally with inner hole and be greater than pin
(2) movable block (3) of diameter, movable block (3) is moved out by the effect of centrifugal force and is occurred with limit body when driving wheel (1) rotates
Collision, movable block (3) are pushed movable block (3) to move inward by the reaction of limit body.
2. constant speed ramp-down device according to claim 1, it is characterised in that: there are two driving wheel (1) settings, and two
The driving wheel (1) being oppositely arranged is fixedly connected by pin (2), and the movable block (3) is arranged between two driving wheels (1).
3. constant speed ramp-down device according to claim 2, it is characterised in that: be provided on the circumference of pin (2) both ends
The step of distance between two driving wheels (1) is limited, the pin (2) is stud or rivet.
4. constant speed ramp-down device according to claim 3, it is characterised in that: be arranged a cylindrical shape outside the pin (2)
Two shoulders, which are processed, at the step or pin (2) excircle both ends forms the step.
5. constant speed ramp-down device according to claim 1, it is characterised in that: movable block (3) cross section is round, ellipse
Round, any one in polygon, movable block (3) the inner hole cross section is round, ellipse, both ends are the rectangular of circular arc
Any one in shape.
6. described in any item constant speed ramp-down devices according to claim 1~5, it is characterised in that: limit body is arranged in a circle
In the shell of tubular, the limit body is spaced raised (5) in setting on the inner wall of the housing, and the protrusion (5) is arc
Any one of shape, trapezoidal or triangle.
7. described in any item constant speed ramp-down devices according to claim 1~5, it is characterised in that: the limit body is cylinder
Limited post (4).
8. constant speed ramp-down device according to claim 7, it is characterised in that: be arranged with protective case outside the limited post (4)
Pipe.
9. constant speed ramp-down device according to claim 7, it is characterised in that: the constant speed mechanism and the setting of deceleration mechanism exist
Group is mainly connect by frame body bolt (9) fixed wear by front panel (6), rear panel (7) and by front panel (6) and rear panel (7)
At mounting rack in, be provided between the constant speed mechanism and deceleration mechanism distance piece (10), the limited post (4) is arranged preceding
Between panel (6) and distance piece (10).
10. constant speed ramp-down device according to claim 9, it is characterised in that: the mounting rack upper end is connected with hoisting ring
(11), shell is provided with outside mounting rack, the installing port of hoisting ring (11) is arranged in upper shell, and shell lower end is provided with wirerope
Entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920283236.9U CN209621894U (en) | 2019-03-06 | 2019-03-06 | Constant speed ramp-down device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920283236.9U CN209621894U (en) | 2019-03-06 | 2019-03-06 | Constant speed ramp-down device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209621894U true CN209621894U (en) | 2019-11-12 |
Family
ID=68455896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920283236.9U Withdrawn - After Issue CN209621894U (en) | 2019-03-06 | 2019-03-06 | Constant speed ramp-down device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209621894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915506A (en) * | 2019-03-06 | 2019-06-21 | 石家庄君安消防设备科技有限公司 | Constant speed ramp-down device |
-
2019
- 2019-03-06 CN CN201920283236.9U patent/CN209621894U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915506A (en) * | 2019-03-06 | 2019-06-21 | 石家庄君安消防设备科技有限公司 | Constant speed ramp-down device |
| CN109915506B (en) * | 2019-03-06 | 2024-02-02 | 石家庄君安消防设备科技有限公司 | Constant speed descent control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191112 Effective date of abandoning: 20240202 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191112 Effective date of abandoning: 20240202 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |