CN208054792U - A kind of band mechanical brake clutch functional electric cucurbit - Google Patents
A kind of band mechanical brake clutch functional electric cucurbit Download PDFInfo
- Publication number
- CN208054792U CN208054792U CN201820433122.3U CN201820433122U CN208054792U CN 208054792 U CN208054792 U CN 208054792U CN 201820433122 U CN201820433122 U CN 201820433122U CN 208054792 U CN208054792 U CN 208054792U
- Authority
- CN
- China
- Prior art keywords
- gear
- control panel
- brake control
- group
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a kind of band mechanical brake clutch functional electric cucurbits, including hoisting chain transmission group, the upper and lower of the hoisting chain transmission group is connected separately with hook group and lower suspension hook group, it is also associated with gear-box group and groups of motors in the hoisting chain transmission group, it is additionally provided with the electric control box being electrically connected with it on the outside of the gear-box group, wherein, the gear-box group includes grouping transmission mechanism, the input shaft being connect with the groups of motors and the output shaft being connected with the hoisting chain transmission group.Pass through the screw thread being grouped in gear-box between the transmission shaft and first brake control panel of transmission mechanism middle gear component, during second gear inverts when rotating speed of transmission shaft is more than second gear rotating speed, the frictional force for changing ratchet both sides friction plate, to braking deceleration.
Description
Technical field
The utility model is related to a kind of band mechanical brake clutch functional electric cucurbits, belong to electric block technology neck
Domain.
Background technology
It is unworthy of standby mechanical overload protection device and overspeed protection brake double protection functions, needle in electric block at present
Electronic type function can be respectively adopted to realize to demand, but it has the influence of reaction time difference to cause the big heavy discount of safety, one
A little simple mechanical overload protection devices are because of no automatic compensation function, but protection value is inaccurate and needs frequent adjust
It is whole；Mechanical overspeed protective brake does not often have real-time guard, need longer reaction time and larger guard space and
Safety is not relatively high.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of band mechanical brake clutch functional electric cucurbits, lead to
The screw thread being grouped between the transmission shaft and first brake control panel of transmission mechanism middle gear component is crossed in gear-box, in second gear
During reversion when rotating speed of transmission shaft is more than second gear rotating speed, change the frictional force of ratchet both sides friction plate, to make
It is dynamic to slow down.
In order to solve the above-mentioned technical problem, technical solution used by the utility model is：
A kind of band mechanical brake clutch functional electric cucurbit, including hoisting chain transmission group, the hoisting chain transmission
The upper and lower of group is connected separately with hook group and lower suspension hook group, and gear-box group and horse are also associated in the hoisting chain transmission group
Up to group, the electric control box being electrically connected with it is additionally provided on the outside of the gear-box group, wherein the gear-box group includes
It is grouped transmission mechanism, the input shaft being connect with the groups of motors and the output shaft being connected with the hoisting chain transmission group；
The grouping transmission mechanism includes gear assembly, and the gear assembly includes transmission shaft, is secured to the end of connection
Plate and first gear are additionally provided with first brake control panel and the second brake control panel, the first brake on the transmission shaft
It is provided with second gear between control panel and the second brake control panel, spine is provided between the first brake control panel and end plate
It takes turns, the pawl being matched therewith is provided on the outside of the ratchet, between the ratchet and first brake control panel and end plate
It is both provided with and rubs on joint face on joint face, between the second gear and first brake control panel and the second brake control panel
Pad, and the transmission shaft surface is provided with one section of multiple thread, is provided in the first brake control panel and the bull
The thread groove that screw thread is meshed；
One end of the input shaft is meshed with the second gear, passes through between the output shaft and the first gear
Connection gear is connected；
It is provided with sequentially connected first gear case, second gear outside the grouping transmission mechanism, input shaft and output shaft
Case and third gear-box, and the junction between the first gear case and the input shaft, transmission shaft is provided with ball bearing,
Junction between the third gear-box and the output shaft, transmission shaft is provided with ball bearing.
A kind of band mechanical brake clutch functional electric cucurbit above-mentioned, it is characterised in that：It is also fixed on the transmission shaft
It is provided with spring bushing, spring is provided between the spring bushing and the second brake control panel.
A kind of band mechanical brake clutch functional electric cucurbit above-mentioned, it is characterised in that：The second gear is wherein
It is provided at least one tipper on one side, steel ball is provided in the tipper.
A kind of band mechanical brake clutch functional electric cucurbit above-mentioned, it is characterised in that：On the outside of the spring bushing
Ball bearing, oil sealing bushing, nut, nylon nut are also disposed on transmission shaft.
A kind of band mechanical brake clutch functional electric cucurbit above-mentioned, it is characterised in that：The first brake control panel
And second brake control panel between pass through double end round key axial sliding type connect.
A kind of band mechanical brake clutch functional electric cucurbit above-mentioned, it is characterised in that：The spring is dish-type spring,
The spring bushing is dish-type spring bushing.
A kind of band mechanical brake clutch functional electric cucurbit above-mentioned, it is characterised in that：The first gear case, second
Junction between gear-box and third gear-box is both provided with gasket.
The utility model has the beneficial effects that：
1, during second gear drives entire drive mechanism to rotate forward, second gear is controlled by the second brake
Disk drives first brake control panel to be rotated forward with respect to transmission shaft, to which the thread groove in first brake control panel is around transmission shaft
Multiple thread is rotated to ratchet direction, to make end plate and first brake control the friction plate of chuck clamping ratchet both sides, to profit
End plate and transmission shaft is driven to rotate forward with frictional force, when the load connected on transmission shaft is more than rated load, the second transmission
The frictional force that both sides friction plate generates is not enough to that transmission shaft is driven to be rotated further, same to be rotated further in the second transmission gear
When, slippery conditions occur for the second transmission both sides friction plate, and transmission shaft can not rotate, and effectively prevent transmission mechanism excess load fortune
Turn；
2, during second gear drives entire drive mechanism to rotate backward, second gear is controlled by the second brake
Disk drives first brake control panel to be rotated backward with respect to transmission shaft, to which the thread groove in first brake control panel is around transmission shaft
Multiple thread is rotated to far from ratchet direction, to make end plate and first brake control panel unclamp the friction plate of ratchet both sides, is rubbed
It wipes power to disappear, transmission shaft can be rotated backward under the action of load, when reverse speed hypervelocity, that is, be more than that second gear is anti-
When to velocity of rotation, thread groove of the multiple thread in first brake control panel on transmission shaft is to the second brake control panel direction
Rotation drives ratchet to rotate backward, in ratchet to make end plate clamp ratchet again using the frictional force of ratchet both sides friction plate
It when rotating backward, is braked using pawl, to make entire transmission mechanism brake, is avoided in counter rotation
Overspeed operation；
3, a normal pressure is applied by the brake control panel of spring pair second, ensures that second gear can drive first brake
Control panel and the second brake control panel rotate synchronously, and compensate the second tooth using the steel ball in the tipper of second gear side
The hypodynamic situation of spring positive pressure caused by wheel both sides friction plate is thinning.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram with mechanical brake clutch functional electric cucurbit of the utility model；
Fig. 2 is the structural schematic diagram of the utility model gear-box group；
Fig. 3 is the structural schematic diagram of the utility model grouping transmission mechanism；
Fig. 4 is the structural schematic diagram of the second gear introversion skewed slot of the utility model grouping transmission mechanism.
Specific implementation mode
Below in conjunction with Figure of description, the utility model is further described.
As Figure 1-Figure 4, a kind of band mechanical brake clutch functional electric cucurbit, including hoisting chain transmission group 100,
The upper and lower of the hoisting chain transmission group 100 is connected separately with hook group 200 and lower suspension hook group 300, and the hoisting chain passes
It send and is also associated with gear-box group 600 and groups of motors 400 in group 100, the outside of the gear-box group 600 is additionally provided with it electrically
The electric control box 500 of connection, wherein the gear-box group 600 includes grouping transmission mechanism, is connect with the groups of motors 400
Input shaft 20 and the output shaft 30 that is connected with the hoisting chain transmission group 100；The grouping transmission mechanism includes gear
Component 1, the gear assembly 1 include transmission shaft, are secured to the end plate 16 and first gear 11 of connection, on the transmission shaft also
First brake control panel 4 and second is provided with to brake control panel 7, the first brake control panel 4 and second brake control panel 7 it
Between be provided with second gear 6, ratchet 3, the outside of the ratchet 3 are provided between the first brake control panel 4 and end plate 16
The pawl being matched therewith is provided with, on the joint face between the ratchet 3 and first brake control panel 4 and end plate 16, described
It is both provided with friction plate, and institute on joint face between second gear 6 and the brake control panel 7 of first brake control panel 4 and second
It states transmission shaft surface and is provided with one section of multiple thread, be provided in the first brake control panel 4 and mutually nibbled with the multiple thread
The thread groove of conjunction；
One end of the input shaft 20 is meshed with the second gear 6, the output shaft 30 and the first gear 11
Between be connected by connection gear 70；It is provided with and is sequentially connected outside the grouping transmission mechanism, input shaft 20 and output shaft 30
First gear case 40, second gear case 50 and third gear-box 60, and the first gear case 40 and the input shaft 20, pass
Junction between moving axis is provided with ball bearing, the company between the third gear-box 60 and the output shaft 20, transmission shaft
The place of connecing is provided with ball bearing.
Input shaft 20, input shaft 20 is driven to drive second gear 6 that entire transmission mechanism is driven to rotate forward in groups of motors 400
During, second gear 6 drives the opposite transmission shaft of first brake control panel 4 to rotate forward by the second brake control panel, from
And the thread groove in first brake control panel 4 is rotated around the multiple thread of transmission shaft to 3 direction of ratchet, to make end plate 16 and the
One brake control panel 4 clamps the friction plate of 3 both sides of ratchet, to drive end plate 16, transmission shaft synchronous with ratchet using frictional force
It rotates forward, when the load connected in hoisting chain transmission group 100 is more than rated load, 3 both sides friction plate of ratchet generates
Frictional force is not enough to that transmission shaft is driven to be rotated further, while the second transmission gear is rotated further, the second transmission both sides friction
Slippery conditions occur for piece, and transmission shaft can not rotate, and effectively prevent transmission mechanism overload operation；It is driven in second gear 6 whole
During a drive mechanism rotates backward, second gear 6 drives 4 phase of first brake control panel by the second brake control panel 7
Transmission shaft is rotated backward, to the thread groove in first brake control panel 4 around transmission shaft multiple thread to far from 3 side of ratchet
To rotation, to make end plate 16 and first brake control panel 4 unclamp the friction plate of ratchet both sides, frictional force disappears, and transmission shaft can
To be rotated backward under the action of load, when reverse speed hypervelocity, i.e., when rotating backward speed more than second gear 6, pass
Multiple thread on moving axis starts the thread groove in first brake control panel 4 and is rotated to the second 7 direction of brake control panel, to
So that end plate 16 and first brake control panel 4 is clamped ratchet 3 again, drives ratchet reversed using the frictional force of ratchet both sides friction plate
Rotation, when ratchet rotates backward, is braked using pawl, to make entire transmission mechanism brake, is avoided reversed
Overspeed operation in rotation process.To make the function of mechanical brake and overload protection that entire gear reduction box has.
In the present embodiment, second gear 6 can also be replaced with the similar driving member such as miniature belt wheel, sprocket wheel, similarly can be real
Existing above-mentioned function.
Spring bushing 9 is further fixedly arranged on the transmission shaft, the spring bushing 9 and second brakes between control panel 7
It is provided with spring 8, a normal pressure is applied by the brake control panel of spring pair second, ensures that second gear can drive the first brake
Vehicle control panel and the second brake control panel rotate synchronously.In the present embodiment, spring 8 is dish-type spring, and the spring bushing 9 is disk
Type spring bushing.
It is provided at least one tipper 15 on one of the second gear 6 side, is set in the tipper 15
It is equipped with steel ball 5, the influence of the overload protection of spring force decaying thinning for compensating friction disc wear automatically, while reducing
Influence of the dynamic impact to the precision of overload protection, during second gear 6 starts, as shown in figure 3, using centrifugal force and being used to
Property force effect, make the sliding in the tipper 15 of steel ball 5, when the friction plate of 6 both sides of second gear does not have any abrasion or spring bullet
Power do not decay or load it is smaller in the case of, spring 8 to second brake control panel 7 normal pressure be enough that second gear 6 is made to open
Begin just to drive the second brake control panel 7 to rotate while rotation, and steel ball 5 does not do the movement for making spring-compressed, when the second tooth
There is the case where thinning friction disc wear or spring force decaying or load increase in use in the friction plate for taking turns 6 both sides
When, in the case of no any compensation, spring 8 becomes smaller to the normal pressure of the second brake control panel 7, and second gear 6 is starting
Frictional force is not enough to that the second brake control panel 7 is driven to rotate when rotation, during second gear 6 rotates alone, steel
Pearl 5 under the action of the centrifugal force, is moved along tipper 15, adjusts the position relationship between the second brake control panel 7 and spring 8, directly
When second gear 6 capable of being made to drive its rotation the normal pressure of the second brake control panel 7 to spring 8, the second brake control
Disk 7 is rotated synchronously with second gear 6, and spring 8 is to the normal pressure of the second brake control panel 7, the second brake control panel 7 and the second tooth
The centrifugal force of frictional force, steel ball 5 between wheel 6 reaches the state of balance, to the position of the opposite second brake control panel 7 of spring 8
Fixation is set, i.e. the position of steel ball 5 is fixed, when friction disc wear occurs in use in the friction plate of 6 both sides of second gear
When the case where thinning or spring force decaying excessive or load excessive overrate, steel ball 5 can be skidded off from entire tipper 15,
Reach safeguard protection purpose, need to increase elastic force guarantee transmission by adjusting nut 13, nylon nut 14 at that time or reduces load
It can be just driven in safe range.
It is connected by 2 axial sliding type of double end round key between the brake of first brake control panel 4 and second control panel 7,
Keep 7 opposite first brake control panel 4 of the second brake control panel horizontally moveable, convenient for adjustment spring 8 to the second brake control panel 7
Normal pressure.
It is also disposed with ball bearing, oil sealing bushing 12, nut 13, Buddhist nun on the transmission shaft in 9 outside of the spring bushing
Imperial nut 14 is used for fixed spring bushing 9.
Junction between the first gear case 40, second gear case 50 and third gear-box 60 is both provided with sealing
Pad, ensures the leakproofness of entire gear reduction box.
In conclusion a kind of band mechanical brake clutch functional electric cucurbit provided by the utility model, passes through gear-box
Screw thread between the transmission shaft and first brake control panel of middle grouping transmission mechanism middle gear component, in the mistake of second gear reversion
In journey when rotating speed of transmission shaft is more than second gear rotating speed, change the frictional force of ratchet both sides friction plate, to braking deceleration.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
By appended claims and its equivalent circle.
Claims (7)
1. a kind of band mechanical brake clutch functional electric cucurbit, it is characterised in that：Including hoisting chain transmission group（100）, institute
State hoisting chain transmission group（100）Upper and lower be connected separately with hook group（200）With lower suspension hook group（300）, the hoisting-chain
Item transmission group（100）On be also associated with gear-box group（600）And groups of motors（400）, the gear-box group（600）Outside also set
It is equipped with the electric control box being electrically connected with it（500）,
Wherein, the gear-box group（600）Including being grouped transmission mechanism, with the groups of motors（400）The input shaft of connection（20）
With with the hoisting chain transmission group（100）The output shaft being connected（30）；
The grouping transmission mechanism includes gear assembly（1）, the gear assembly（1）Including transmission shaft, it is secured to connection
End plate（16）And first gear（11）, first brake control panel is additionally provided on the transmission shaft（4）With the second brake control panel
（7）, the first brake control panel（4）With the second brake control panel（7）Between be provided with second gear（6）, described first stops
Vehicle control panel（4）With end plate（16）Between be provided with ratchet（3）, the ratchet（3）Outside be provided with the spine being matched therewith
Pawl, the ratchet（3）With first brake control panel（4）And end plate（16）Between joint face on, the second gear（6）With
One brake control panel（4）With the second brake control panel（7）Between joint face on be both provided with friction plate, and the transmission shaft table
Face is provided with one section of multiple thread, the first brake control panel（4）On be provided with the screw thread being meshed with the multiple thread
Slot；
The input shaft（20）One end and the second gear（6）It is meshed, the output shaft（30）With the first gear
（11）Between pass through connection gear（70）It is connected；
The grouping transmission mechanism, input shaft（20）And output shaft（30）It is provided with sequentially connected first gear case outside（40）,
Second gear case（50）With third gear-box（60）, and the first gear case（40）With the input shaft（20）, transmission shaft it
Between junction be provided with ball bearing, the third gear-box（60）With the output shaft（30）, connection between transmission shaft
Place is provided with ball bearing.
2. a kind of band mechanical brake clutch functional electric cucurbit according to claim 1, it is characterised in that：The transmission
Spring bushing is further fixedly arranged on axis（9）, the spring bushing（9）With the second brake control panel（7）Between be provided with spring
（8）.
3. a kind of band mechanical brake clutch functional electric cucurbit according to claim 2, it is characterised in that：Described second
Gear（6）One of be provided at least one tipper on side（15）, the tipper（15）Inside it is provided with steel ball
（5）.
4. a kind of band mechanical brake clutch functional electric cucurbit according to claim 2, it is characterised in that：The spring
Bushing（9）Ball bearing, oil sealing bushing are also disposed on the transmission shaft in outside（12）, nut（13）, nylon nut（14）.
5. a kind of band mechanical brake clutch functional electric cucurbit according to claim 1, it is characterised in that：Described first
Brake control panel（4）With the second brake control panel（7）Between pass through double end round key（2）Axial sliding type connects.
6. a kind of band mechanical brake clutch functional electric cucurbit according to claim 2, it is characterised in that：The spring
（8）For dish-type spring, the spring bushing（9）For dish-type spring bushing.
7. a kind of band mechanical brake clutch functional electric cucurbit according to claim 1, it is characterised in that：Described first
Gear-box（40）, second gear case（50）With third gear-box（60）Between junction be both provided with gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433122.3U CN208054792U (en) | 2018-03-29 | 2018-03-29 | A kind of band mechanical brake clutch functional electric cucurbit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433122.3U CN208054792U (en) | 2018-03-29 | 2018-03-29 | A kind of band mechanical brake clutch functional electric cucurbit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208054792U true CN208054792U (en) | 2018-11-06 |
Family
ID=63987505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820433122.3U Active CN208054792U (en) | 2018-03-29 | 2018-03-29 | A kind of band mechanical brake clutch functional electric cucurbit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208054792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082466A1 (en) * | 2021-11-15 | 2023-05-19 | 法兰泰克重工股份有限公司 | Overload protection apparatus for variable rail hoisting |
-
2018
- 2018-03-29 CN CN201820433122.3U patent/CN208054792U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082466A1 (en) * | 2021-11-15 | 2023-05-19 | 法兰泰克重工股份有限公司 | Overload protection apparatus for variable rail hoisting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103234024B (en) | Twin worm Worm gear mechanism machinery disappears gap transmission device | |
| CN208054792U (en) | A kind of band mechanical brake clutch functional electric cucurbit | |
| CN208578904U (en) | A kind of grouping transmission mechanism | |
| CN108189819A (en) | A kind of automobile brake-by-wire device with gap automatic regulation function | |
| CN204064651U (en) | For the test unit that driving axis bevel gear meshing mark loads | |
| JP2012056733A (en) | Hoisting machine with built-in load sensing type automatic speed change gear | |
| CN202226600U (en) | Inertia braking device for lifting winch | |
| CN208474430U (en) | A kind of band mechanical brake and overload protection function gear reduction box | |
| CN207955603U (en) | A kind of automobile brake-by-wire device with gap automatic regulation function | |
| CN107720593A (en) | A kind of crane roller brake device | |
| CN104828729A (en) | Tension maintaining device | |
| CN108331855A (en) | A kind of grouping transmission mechanism | |
| CN204727524U (en) | A kind of tension maintaining device | |
| CN202301591U (en) | Automatic resetting disc brake | |
| CN104154183B (en) | Speed reducing gear group with self-locking function and electric actuating mechanism | |
| CN202499511U (en) | Torque-limiting type low-speed brake | |
| CN209100523U (en) | Sorting device brake | |
| CN203285886U (en) | Screw brake | |
| CN102530513A (en) | Torque-limiting type low-speed brake | |
| CN205978407U (en) | Two -way displacement adjusting mechanism of braking formula rotor | |
| CN201599398U (en) | Planetary reducer with brake | |
| CN202296184U (en) | Torque-limiting contact type inverter | |
| CN201944167U (en) | Self-locking mechanism | |
| CN105972198B (en) | A kind of brake type rotor bidirectional displacement adjusting mechanism | |
| CN204755677U (en) | Load arresting gear and equipment of using that lifts by crane thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |