CN205367565U - Lock dish ware - Google Patents
Lock dish ware Download PDFInfo
- Publication number
- CN205367565U CN205367565U CN201620051644.8U CN201620051644U CN205367565U CN 205367565 U CN205367565 U CN 205367565U CN 201620051644 U CN201620051644 U CN 201620051644U CN 205367565 U CN205367565 U CN 205367565U
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- Prior art keywords
- fixture block
- braking fixture
- braking
- back side
- brake
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Abstract
The utility model relates to a lock dish ware, its structure includes two frames that set up in opposite directions, two the (holding) chuck gap of using for the centre gripping rim plate between the frame is at every be provided with the braking clamp splice in the frame, in two frames the clamping facial features of braking clamp splice is right be provided with the friction disc on the clamping face of braking clamp splice, two the braking clamp splice constitutes combination wedge body, two the frame constitutes joint combination wedge body's combination wedge groove, be provided with the extension spring on the frame, in extension spring and the frame the braking clamp splice meets to pulling braking clamp splice makes its back paste and leans on on the frame inner edge. The utility model discloses the structure letter, it is small, with low costs, can conveniently install on present various hoist hoisting equipment's braking rim plate, rely on wedge structure and principle can implement reliable and stable emergency braking to big moment of torsion rim plate, solved the safety braking problem of hoist hoisting equipment rim plate side.
Description
Technical field
This utility model relates to a kind of deadman's brake, specifically a kind of lock collar device for wheel disc carries out safety arrestment.
Background technology
The crane caused by brake failure or hoist engine slip car accident, generally all can cause than more serious personal injury or great property loss.Supplementing as foundation brakes, safety management department generally may require that and adds the deadman's brake loading safety protection function on crane or hoist engine.And deadman's brake is only arranged on hoist and resets standby wheel disc side, just it really is able to play safeguard protection effect.But, braking moment needed for wheel disc side to go out greatly ten a few to tens of times compared with the braking moment of motor side, and all brakes used in this installation site are required for very big braking moment, and the volume of therefore this kind of brake is big, manufacture difficulty is big, and manufacturing cost is high.And, the deadman's brake of large volume is general also all without installing space additional in device context, causes and installs difficulty additional.
Utility model content
The purpose of this utility model is just to provide a kind of lock collar device for wheel disc carries out safety arrestment, and the volume to solve to be currently used for the deadman's brake existence of wheel disc side is big, take up an area many and expensive problem.
This utility model is achieved in that a kind of lock collar device, including two frameworks being oppositely arranged, for the chuck gap of clamping wheel disc between two described frameworks, each described framework is provided with braking fixture block, the sandwich serface of the described braking fixture block in two frameworks is relative, is provided with friction plate on the sandwich serface of described braking fixture block；One side opposing with sandwich serface on described braking fixture block is the back side of braking fixture block, the relative sandwich serface in the back side of described braking fixture block is inclined-plane, the back side incline direction of two described braking fixture blocks is all towards the same direction in chuck gap, and two described braking fixture blocks constitute combination sphenoid；The inner edge of the described framework relative with the described braking fixture block back side is the inclined-plane being harmonious with described braking fixture block back side gradient, and the inner edge, inclined-plane of two described frameworks constitutes the combination wedge-shaped slot of clamping combination sphenoid；Being provided with extension spring on said frame, described extension spring connects with the described braking fixture block in framework, to pull braking fixture block to make its back side abut on framework inner edge.
Having a chute identical with wedge shape direction in the middle part of the back side of described braking fixture block, parallels with the sandwich serface of braking fixture block in the bottom surface of described chute；Support body arranged outside at described framework has brake activating mechanism, described brake activating mechanism is provided with compression spring and the brake pushrod promoted by described compression spring, described brake pushrod is perpendicular to the sandwich serface of described braking fixture block, and its front end acts against in the chute of described braking fixture block.
Described brake activating mechanism is disposed therein on a described framework, described underframe is provided with link gear, described link gear connects with described brake activating mechanism, described brake activating mechanism drives a described braking fixture block action by brake pushrod, and drives another described braking fixture block to realize synchronizing pinching action in opposite directions by described link gear simultaneously.
Described brake activating mechanism is the Breake Electromagnet that dead electricity triggers, and is connected to the energy-storage capacitor providing delay working power supply in the control circuit of described Breake Electromagnet.
Having caulking groove at the back side of described braking fixture block, in described caulking groove, interlocking has the latch plate of strip, and the plate face of described latch plate protrudes from the surface of described braking fixture block.The sphenoid being made up of braking fixture block thus can be made to form flexible extruding contact in framework wedge-shaped slot, suitably to relax impact dynamics during safety arrestment, the corresponding brake inertia power reduced when stopping dead wheel disc.
The back side of described braking fixture block is provided with roller or bearing, to reduce the sliding friction between braking fixture block and framework inner edge.
The front end of described brake pushrod is provided with bearing or roller, to reduce braking fixture block frictional resistance when safety arrestment and between brake pushrod termination.
This utility model utilizes two frameworks of being oppositely arranged to hold the braking fixture block that two sandwich serfaces are relative, and two braking fixture blocks constitute combination wedge bodies, and the both sides being positioned on wheel disc same position；Under normality, two braking fixture blocks are pulled to the inner edge of framework by the extension spring on respective framework, make two braking fixture blocks get out of the way the chuck gap of centre, enable wheel disc to keep being rotated through without barrier in chuck gap, do not affect the normal use of elevator crane gear.nullWhen the foundation brakes of equipment malfunctioning and when there is the accidental movement situation of hoisting heavy，Can under the control of the detecting and controlling system of equipment，Or on this lock collar device under the control of the brake activating mechanism of installation，Ordering about brake pushrod promotes the braking fixture block in lock collar device to shift to sandwich serface，The chuck gap in lock collar device is made to narrow，Wheel disc in rotating is produced braking clamping frictional force by the friction plate on braking fixture block，And this braking clamping frictional force reacts on braking fixture block，Braking fixture block is driven to move towards the locking end of respective framework wedge-shaped slot，Now，Two braking fixture blocks are under the restriction and guide effect of respective framework wedge-shaped slot，Moving process just reduces the brake clearance in chuck gap voluntarily，Quick-clamped is until dead wheel disc of stopping，What thus achieve wheel disc is quick、Effective and reliable lock collar is braked，Achieve the protective effect of safety arrestment，Make the weight of lifting or cage can not continue to slip downwards car，By the locked stop of this lock collar device，Thus avoiding because of malfunctioning the caused generation slipping downwards car contingency of equipment foundation brakes.
This utility model has the following characteristics that
1, utilize brake activating mechanism to braking fixture block normal pressure to brake wheel disc, with the frictional force of formation between the friction plate of wheel disc and braking fixture block under the displacement of wheel disc drives, make the braking fixture block with wedge structure enter in the wedge-shaped slot of framework, to clamp wheel disc, reach the purpose of braking wheel disc.Only when wheel disc is when there is braking displacement, braking fixture block can enter in framework wedge-shaped slot, implements the purpose of safety arrestment.
2 if because having a power failure cause that the situation of lock collar device action locking wheel disc occurs, after Power resumption, brake activating mechanism releases the lock collar device clamp pressure to wheel disc, make braking fixture block self-return under the effect of extension spring, wheel disc can recover normal operating condition voluntarily, and the equipment thus solving large-area power-cuts can not self-recoverage problem.
3, this lock collar device simple in construction, engaged position is little, is easily installed in the wheel disc side of elevator crane gear, it is simple to old structural reform is made, and solving existing elevator crane gear does not have a difficult problem for deadman's brake installation site.
4, this lock collar device structure letter, volume is little, cost is low, rely on wedge structure and principle that high pulling torque wheel disc can be implemented reliable and stable braking, thus solve the safety arrestment problem of wheel disc side, its cost of manufacture only has 1/10th of conventional wheel pan brake cost of manufacture, and owing to the volume of lock collar device is little, thus be easily installed on the braking wheel disc of existing various elevator crane gear, thus efficiently solve elevator crane gear because being limit the hard nut to crack that maybe can not install deadman's brake in the inconvenience of wheel disc side in place.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the side view of lock collar device shown in Fig. 1.
Fig. 3 is the top view of lock collar device shown in Fig. 1.
Fig. 4 is on-position schematic diagram of the present utility model.
In figure: 1, framework, 2, end plate, 3, friction plate, 4, braking fixture block, 5, extension spring, 6, chute, 7, Breake Electromagnet, 71, yoke, 72, armature, 73, solenoid, 74, compression spring, 75, brake pushrod, 8, wheel disc.
Detailed description of the invention
As shown in drawings, two frameworks 1 are oppositely arranged, and form a bar seam between two frameworks 1, the chuck gap (Fig. 1) of this seam clamping braking dish.The opposite face of two frameworks 1 is unlimited end face, is provided with jack hole (Fig. 3) in the bottom of framework 1, by the screw rod of cross-under and securing member etc., is fixed on by two frameworks 1 on the support body of bottom.Also two frameworks 1 and bottom support body can being fabricated to a U-shaped body integratedly, two frameworks 1 become the cantilever arm of U-shaped body.Also directly can being fixedly mounted on the base of elevator crane gear by two frameworks 1, two frameworks 1 are positioned at the card both sides (Fig. 2, Fig. 3) of braking dish 8.
In Fig. 1, being provided with braking fixture block 4 in each framework 1, the sandwich serface of two braking fixture blocks 4 is relative, is provided with friction plate 3 on the sandwich serface of braking fixture block 4.On braking fixture block 4, the one side opposing with sandwich serface is the back side of braking fixture block, and sandwich serface is vertical surface, and the back side is oblique facade, and the back side incline direction of two braking fixture blocks 4 is all towards the same direction in chuck gap.The braking fixture block 4 of two back side inclinations constitutes combination sphenoid.The inner edge of the framework 1 relative with the braking fixture block back side is the inclined-plane being harmonious with braking fixture block back side gradient, and the inner edge, inclined-plane of two frameworks 1 constitutes the combination wedge-shaped slot of clamping combination sphenoid.Framework 1 is provided with upper and lower two extension springs 5, and two extension springs 5 are corresponding with the upper and lower end of the braking fixture block 4 in framework 1 to connect, to pull braking fixture block 4 to make its back side abut on the inner edge of framework 1.
As shown in Figure 1, Figure 3, having a chute 6 at the position placed in the middle, the back side of braking fixture block 4, chute 6 is consistent with the wedge shape direction of braking fixture block 4, parallels with the sandwich serface of braking fixture block 4 in the bottom surface of chute 6.Support body arranged outside at framework 1 has brake activating mechanism, and this brake activating mechanism includes Breake Electromagnet 7, compression spring 74 and brake pushrod 75 etc..In Fig. 1, Breake Electromagnet 7 is made up of parts such as yoke 71, armature 72 and solenoids 73；Compression spring 74 is contained in the inner chamber of Breake Electromagnet 7 (may also be arranged on the outside of Breake Electromagnet), brake pushrod 75 traverse from yoke 71, armature 72 and compression spring 74, and keeps linkage structure with armature 72.Brake pushrod 75 is perpendicular to the sandwich serface of braking fixture block 4, and its front end, after penetrating in framework 1, acts against the bottom surface of chute 6, under the action of the compression spring 74, braking fixture block 4 is implemented positive pressure.The position of the brake pushrod 75 on two frameworks 1 is relative.
As it is shown in figure 1, brake activating mechanism can have two, respectively at the outboard end of each framework 1, realize the action in opposite directions towards chuck gap with the fixture block 4 of braking controlled in two frameworks 1 at synchronization.Also a brake activating mechanism can be omitted, and only one of which framework arranges brake activating mechanism, arranging a set of link gear on underframe, this link gear connects with brake activating mechanism, and controlled synchronous drives the braking fixture block in another framework to realize synchronizing pinching action in opposite directions.
Breake Electromagnet 7 in brake activating mechanism can be selected for dead electricity and triggers Breake Electromagnet, is connected to the energy-storage capacitor providing delay working power supply in the control circuit of Breake Electromagnet 7.The effect of energy-storage capacitor is to provide the short-term operation power supply of 0.1 10 seconds to Breake Electromagnet when dead electricity, so that Breake Electromagnet 7 can trigger action again after time delay 0.1 5 seconds, so, just can make lag behind the movement time of elevator crane gear foundation brakes movement time of this lock collar device, thus avoid this lock collar device because of with foundation brakes simultaneously action and make haulage cable be subject to excessive inertial impact force.
Having two caulking grooves at the back side of braking fixture block 4, two caulking grooves are paralleled with the chute 6 at middle part, rabbet a strip latch plate in every caulking groove, and the middle part outer plate surface of latch plate protrudes from the surface of braking fixture block 4.So, just can make braking fixture block 4 is Elastic Sliding contact when entering framework wedge-shaped slot, enter the impulsive force of framework wedge-shaped slot relaxing braking fixture block 4, it is to avoid produce too high friction Temperature Rise because blocking wheel disc suddenly during lock collar braking, also correspondingly reduce brake inertia power when stopping dead wheel disc simultaneously.
Action for making braking fixture block 4 is more dexterous, can arrange some rollers or bearing on the lozenges of braking fixture block 4, to reduce the sliding friction of braking fixture block and framework inner edge.The front end of brake pushrod 75 can install bearing or roller, to reduce the braking fixture block 4 frictional resistance when safety arrestment and between brake pushrod front end additional.
Two frame parts of this lock collar device set up the both sides relative position (Fig. 2) at wheel disc 8 separately.nullOnce the foundation brakes of elevator crane gear is malfunctioning，Then namely elevator crane gear starts occur slipping car state，The direction that wheel disc 8 starts to steel wire rope is descending rotates，Now，Detecting and controlling system on elevator crane gear sends control instruction immediately，Make Breake Electromagnet 7 action of this lock collar device both sides，Two brake pushrods 75 are towards chuck gap，The braking fixture block 4 promoting respective side in opposite directions presses to wheel disc 8，Now，Wheel disc 8 is clamped by two braking fixture blocks 4 in this lock collar device，The wheel disc 8 rotated is produced braking friction by the friction plate 3 on braking fixture block 4，This braking friction reacts on two braking fixture blocks 4，Two braking fixture blocks 4 are made to move to the locking direction of framework wedge-shaped slot，In the two braking fixture block 4 moving process in wedge-shaped slot，Chuck gap therebetween is pressed further by reducing，Thus by wheel disc 8 Quick-clamped、Folder is dead，It is achieved in the reliable and stable clamping stop to wheel disc 8，Serve safeguard protection effect，Avoid the generation of the contingency slipped at the bottom of car pier by hoisting heavy or box caused because the foundation brakes of elevator crane gear is malfunctioning.
Braking method of the present utility model is:
1, lock collar device is arranged on the braking dish of elevator crane gear (Fig. 1), the control circuit of the brake activating mechanism being attached on lock collar device is connected in the working power that elevator crane gear is on-the-spot.
2, when the foundation brakes dead electricity of elevator crane gear is braked, brake activating mechanism on lock collar device synchronizes dead electricity, but it is connected to the energy-storage capacitor in brake activating mechanism control circuit this moment and the delay working power supply of 0.1 10 seconds is provided for brake activating mechanism, brake after making lock collar device postpone 0.1 5 seconds.
3, adjusting the switching-off action time less than the elevator crane gear foundation brakes switching-off action time of lock collar device, when elevator crane gear foundation brakes obtains electric opening, lock collar device synchronizes electric, but within 0.05 0.5 seconds, opens prior to elevator crane gear foundation brakes.
4, when elevator crane gear proper motion, the braking fixture block 4 in lock collar device is pulled to the inner edge of framework 1 by extension spring 5, and the chuck gap between two braking fixture blocks expands, and makes braking dish be rotated through chuck gap without barrier.
5, when elevator crane gear foundation brakes normal brake application, lock collar device deferred action, braking fixture block 4 is implemented forward extrusion power by brake pushrod 75 in lock collar device under the action of the compression spring 74, making braking fixture block 4 press to the braking dish in chuck gap, two braking fixture blocks 4 clamp the braking dish being braked stall by foundation brakes.
6, when elevator crane gear foundation brakes is normally opened, lock collar device is opened a sluice gate prior to elevator crane gear foundation brakes for 0.05 0.5 seconds, brake pushrod 75 bounces back, eliminate the forward extrusion power to braking fixture block 4, braking fixture block 4 reverses under the effect of extension spring 5, cling to the inner edge of framework 1, before braking disc spins action, expand chuck gap in advance.
7, after elevator crane gear foundation brakes is braked, when braking dish starts after not stopping operating or stopping to rotate again, the braking dribbling clamped by lock collar device is moved braking fixture block 4 and is produced the action along braking dish tangential direction, two braking fixture blocks 4 are made to enter in the wedge-shaped slot of respective framework 1 (Fig. 4), under the effect of framework wedge-shaped slot, braking dish in chuck gap is produced bigger clamping force by two braking fixture blocks 4, and under the position-limiting action of framework wedge-shaped slot, the braking dish rotated is pressed from both sides dead stop.
8, when needs brake hard, disconnect the line switching between the control circuit of brake activating mechanism and energy-storage capacitor, braking fixture block 4 is implemented forward extrusion power by brake pushrod 75 in brake activating mechanism under the action of the compression spring 74, braking fixture block 4 is made to press to the braking dish in chuck gap, two braking fixture blocks 4 clamp the braking dish being rotating, the braking dish rotated drives braking fixture block 4 to travel forward therewith by frictional force, makes braking fixture block 4 enter in the wedge-shaped slot of framework 1；Under the effect of framework wedge-shaped slot, the braking dish in chuck gap is produced bigger clamping force by braking fixture block 4, and under the position-limiting action of framework wedge-shaped slot, the braking dish of motion is pressed from both sides dead stop.
9, when the Failure elimination of elevator crane gear foundation brakes or after the cause of accident of brake hard eliminates, connect working power, elevator crane gear foundation brakes is opened, the Breake Electromagnet of lock collar device obtains electric adhesive, eliminates compression spring 74 and the brake pushrod 75 forward extrusion power to braking fixture block 4；Then the reversion of elevator crane gear is controlled again through point driving switch, now, framework wedge-shaped slot is braked fixture block and presss from both sides the braking dish generation counteragent trend of dead stop, braking fixture block 4 is applied reverse active force, braking fixture block 4 is made to loosen and to the rightabout action entering framework wedge-shaped slot, after braking fixture block 4 leaves the end stop of framework wedge-shaped slot, braking fixture block 4 i.e. return cling to the inner edge of framework 1 under the pulling function of extension spring 5, expand chuck gap, complete lock collar device and press from both sides and unclamp action after dead stop.
Certainly, this utility model may be used without manual hand manipulation's mode of routine, utilizes the operating mechanism such as screw rod, jackscrew, opens pressing from both sides dead lock collar device.
Claims (7)
1. a lock collar device, it is characterized in that, including two frameworks being oppositely arranged, for the chuck gap of clamping wheel disc between two described frameworks, each described framework is provided with braking fixture block, the sandwich serface of the described braking fixture block in two frameworks is relative, is provided with friction plate on the sandwich serface of described braking fixture block；One side opposing with sandwich serface on described braking fixture block is the back side of braking fixture block, the relative sandwich serface in the back side of described braking fixture block is inclined-plane, the back side incline direction of two described braking fixture blocks is all towards the same direction in chuck gap, and two described braking fixture blocks constitute combination sphenoid；The inner edge of the described framework relative with the described braking fixture block back side is the inclined-plane being harmonious with described braking fixture block back side gradient, and the inner edge, inclined-plane of two described frameworks constitutes the combination wedge-shaped slot of clamping combination sphenoid；Being provided with extension spring on said frame, described extension spring connects with the described braking fixture block in framework, to pull braking fixture block to make its back side abut on framework inner edge.
2. lock collar device according to claim 1, is characterized in that, has a chute identical with wedge shape direction in the middle part of the back side of described braking fixture block, parallels with the sandwich serface of braking fixture block in the bottom surface of described chute；Support body arranged outside at described framework has brake activating mechanism, described brake activating mechanism is provided with compression spring and the brake pushrod promoted by described compression spring, described brake pushrod is perpendicular to the sandwich serface of described braking fixture block, and its front end acts against in the chute of described braking fixture block.
3. lock collar device according to claim 2, it is characterized in that, described brake activating mechanism is disposed therein on a described framework, underframe is provided with link gear, described link gear connects with described brake activating mechanism, described brake activating mechanism drives a described braking fixture block action by brake pushrod, and drives another described braking fixture block to realize synchronizing pinching action in opposite directions by described link gear simultaneously.
4. the lock collar device according to Claims 2 or 3, is characterized in that, described brake activating mechanism is the Breake Electromagnet that dead electricity triggers, and is connected to the energy-storage capacitor providing delay working power supply in the control circuit of described Breake Electromagnet.
5. lock collar device according to claim 1, is characterized in that, has caulking groove at the back side of described braking fixture block, and in described caulking groove, interlocking has the latch plate of strip, and the plate face of described latch plate protrudes from the surface of described braking fixture block.
6. the lock collar device according to claim 1,2 or 3, is characterized in that, the back side of described braking fixture block is provided with roller or bearing.
7. the lock collar device according to Claims 2 or 3, is characterized in that, is provided with bearing or roller on the front end of described brake pushrod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620051644.8U CN205367565U (en) | 2016-01-20 | 2016-01-20 | Lock dish ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620051644.8U CN205367565U (en) | 2016-01-20 | 2016-01-20 | Lock dish ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205367565U true CN205367565U (en) | 2016-07-06 |
Family
ID=56272673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620051644.8U Expired - Fee Related CN205367565U (en) | 2016-01-20 | 2016-01-20 | Lock dish ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205367565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480890A (en) * | 2016-01-20 | 2016-04-13 | 韩伍林 | Disc locking device and braking method thereof |
-
2016
- 2016-01-20 CN CN201620051644.8U patent/CN205367565U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480890A (en) * | 2016-01-20 | 2016-04-13 | 韩伍林 | Disc locking device and braking method thereof |
| CN105480890B (en) * | 2016-01-20 | 2020-11-17 | 韩伍林 | Disc locking device and braking method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180607 Address after: 050000 C-1607, Jinshi building, 375 new stone road, Shijiazhuang, Hebei. Patentee after: SHIJIAZHUANG NURON BRAKE TECHNOLOGY CO.,LTD. Address before: 050000 Limited by Share Ltd 501, Wulong brake, block C, Jinshi building, 375 new stone road, Shijiazhuang, Hebei. Patentee before: Han Wulin |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20220120 |