Home elevator mechanical stopping device
Technical field
The present invention relates to a kind of elevator, in particular to a kind of elevator mechanical stopping device.
Background technique
With the fast development in home lift market in recent years, home lift is in maintenance to the life of maintenance personal
Safety guarantee is obviously more and more important, for this purpose, State General Administration for Quality Supervision and the standardization committee have issued GB/T in May, 2008
21739-2008《Home lift manufacture and installation specification》, which has explicitly the top layer of home lift and pit space
Regulation needs to install mechanical prevention when the top layer of home lift and pit space cannot ensure the life security of maintenance staff
Device guarantees this safe space as ancillary equipment.
Summary of the invention
It is a kind of easy to operate simple the technical problem to be solved by the present invention is to provide, ensure maintenance personal's life security
Home elevator mechanical stopping device.
For the technical problem more than solving, the present invention provides a kind of home elevator mechanical stopping devices, including fixation
Bracket in structural column side, the other side of the bracket is fixed equipped with pedestal is prevented, and prevents base top from being equipped with and draws ear, draws ear
Hinged with the drawing ear of swing arm bottom, swing arm upper end is fixed to be equipped with buffer stopper, is fixedly installed with connection buckle in swing arm inner wall hole, connects
Button is connect with brake cable, and brake cable passes through the hole beaten on structural column and is connected with the spanner that declutches of limitation swing arm rotation.
The buffer stopper is natural rubber block.
Described to prevent chassis outer side fixed equipped with the limit switch for controlling elevator operation, limit switch is pacified by limit switch
Shelve the top for being fixed on and preventing pedestal.The limit switch is provided with one, and automatic trigger limit switch is understood in the movement of swing arm,
It is turned on the switch without specific.
The prevention pedestal between swing arm through bolted splice together with, swing arm lower end be equipped with draw ear as hinge hole.
Elastic mechanism is equipped between the bracket and swing arm, elastic mechanism is mounted on the top of rotary shaft, and stay bolt passes through
Elastic mechanism, the connecting plate of stay bolt connecting bracket and swing arm.The elastic mechanism is reset spring.
Stay bolt between swing arm and bracket can limit the rotation angle of swing arm, elastic mechanism and length in working condition
Bolt cooperates so that swing arm is in stable state, the reliability ensured.Stay bolt can change the screw-in position of nut, thus
Change the rotation angle of swing arm.It is provided with reinforcing rib on the connecting plate of the swing arm, improves strength and stability.
It is connected between the connection buckle and the spanner that declutches by brake cable, the spanner that declutches is hingedly mounted in fixed plate, fixed
Plate is mounted on hoistway external wall, and the limiting device for limiting the wrench position that declutches is additionally provided in fixed plate.The limiting device
For caging bolt.
The crust both ends of the brake cable are connected in swing arm connection buckle and fixed plate, and the steel wire of brake cable is connected to
It declutches on the end and connection buckle of spanner.So that during the work time, the movement of brake cable control swing arm is pulled by the spanner that declutches,
When reaching designated position, the location of swing arm can be kept by limiting device.
The home elevator mechanical stopping device is loaded on shaft bottom, or is loaded on well headroom.
Working principle of the present invention:When staff needs to enter well pit or top maintenance, elevator power supply is first closed, is made
Elevator is out of service and then unclamp again the spanner that declutches, rotated in elastic mechanism elastic force effect lower swing arm around rotary shaft.At this point, limit
Bit switch touches, and the natural rubber block that swing arm upper end is fixed together is with swing arm while tilting, and rotates to resistance from normal condition
Only state, to play the purpose for preventing elevator cab movement, it is ensured that the safe condition of space for maintenance.At the end of maintenance, work
Make personnel and swing arm is pulled by the spanner that declutches, swing arm rotates under the action of declutching spanner pulling force around rotary shaft, and swing arm is from prevention
State returns to normal condition, is then turned on elevator power supply, so that elevator works normally.
Beneficial functional of the invention is:
1) present invention controls mechanical stopping device by the spanner that declutches and switches between normal condition and blocked state, grasps
Make convenient and simple.It secures the stand on structural column, be fixedly connected with relationship using between prevention pedestal, swing arm and bracket,
Integrally-built stability is strengthened, so that safety of the maintenance personal when entering hoistway operating maintenance is further improved,
The life security of maintenance personal is ensured;
2) in order to improve safety of the maintenance personal when entering hoistway work, the life security of maintenance personal, institute are ensured
The limit switch for being fixedly installed control elevator operation on the outside of pedestal is stated, the movement of limit switch, letter are triggered when swing arm rotates
Breath feeds back to the control loop of elevator, stops working to control elevator;
3) it is provided with reinforcing rib on the connecting plate of the swing arm, to improve integrally-built strength and stability;
4) using pedestal is prevented, prevention pedestal directly contacts so that preventing device relatively reliable the present invention with ground face entity
Stablize;The arrangement of device is prevented to be no longer limited to the arrangement on previous guide rail, it can be flexible to its in pit and hoistway top
Arrangement is not limited to the space limitation of elevator car systems projecting part, there is stronger flexibility and versatility;
5) make the angle between swing arm and bracket have certain variable range using adjustable stay bolt, enhance general
Property.
6) the configuration of the present invention is simple, it is low in cost.,
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is prevention pedestal and swing arm assembling structure schematic diagram of the invention;
Fig. 3 is the structural schematic diagram of swing arm of the present invention;
Fig. 4 is the structural schematic diagram that the present invention prevents pedestal;
Fig. 5 is the structural schematic diagram of the spanner of the invention that declutches;
Fig. 6 is the structural schematic diagram that the present invention installs;
1-natural rubber block;
2-swing arms;
201-draw ear;202-connecting plates;
203-natural rubber block fulcrum bearings;204-connection buckle mounting holes;
3-bolts;4-limit switches;
5-prevent pedestal;
501-pedestals;502-support rods;
503-draw ear;504-limit switch mounting racks;
6-fixed brackets;
7-brackets;8-expansion bolts;
9-declutch spanner;901- caging bolt;
10-fixed plates;11-structural columns;
12-brake cables;13- connection buckle;
14-stay bolts;15- reset spring.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
The embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Fig. 1 shows structural schematic diagram of the invention.As shown in Figure 1, the present invention provides a kind of resistances of home elevator mechanical
Structural column 11 is fixedly connected by locking apparatus, the bracket 7 including being fixed on 11 side of structural column by expansion bolt 8 with bracket 7,
Structural column 11 is equipped with the through-hole passed through convenient for brake cable 12.
The other side of the bracket 7 is fixed equipped with pedestal 5 is prevented, and is connected bracket 7 with pedestal 5 is prevented by fixed bracket 6
It connects.
Fig. 3 shows the structural schematic diagram of swing arm of the present invention, and Fig. 4 shows the structural schematic diagram that the present invention prevents pedestal.
As shown in Figure 3 and Figure 4, preventing pedestal 5 is that a pedestal 501 is equipped with support rod 502, is equipped at the top of support rod 502 and draws ear 503,
Draw ear 503 and the drawing ear 201 of 2 bottom of swing arm through bolted splice together with, the drawing ear 201 of 2 lower end of swing arm is as hinge hole.
As shown in figure 3, fixed in the natural rubber fulcrum bearing 203 of 2 upper end of swing arm be equipped with natural rubber block 1.2 inner wall of swing arm
Connection buckle 13 is fixedly installed in hole, connection buckle 13 is connect with brake cable 12, brake cable 12 pass through the hole beaten on structural column 11 and
The spanner 9 that declutches of limitation swing arm turned position is connected.
As shown in Figure 1, being equipped with elastic mechanism between the bracket 7 and swing arm 2, which is reset spring 15.It is multiple
Position spring 15 is mounted on the top of rotary shaft, and stay bolt 14 passes through reset spring 15, reset spring 15 bracket 7 and swing arm 2 it
Between, the connecting plate 202 of stay bolt 14 connecting bracket 7 and swing arm 2.2 side of swing arm is equipped with connecting plate 202, and connecting plate 202 is for connecting
Extension bolt 14.It is provided with reinforcing rib on connecting plate 202, improves strength and stability.Long spiral shell between swing arm 2 and bracket 7
Bolt 14 can limit the rotation angle of swing arm 2, and in working condition, reset spring 15 cooperates with stay bolt 14 so that swing arm 2 is in
Stable state has ensured reliability.
Fig. 2 shows the structural schematic diagrams of prevention pedestal and swing arm of the invention.As shown in Fig. 2, outside the prevention pedestal 5
The fixed limit switch 4 equipped with the operation of a control elevator in side, limit switch 4 are fixed on resistance by limit switch mounting rack 504
Only on pedestal 5.
The movement meeting automatic trigger limit switch 4 of the swing arm 2, is not necessarily to specific opening limit switch 4.Limit switch 4 with
Swing arm 2 cooperates, and the position of swing arm 2 decides the state of limit switch 4.The stay bolt 14 can change the screw-in position of nut
It sets, to change the rotation angle of swing arm 2, embodies versatility.
Fig. 5 shows the structural schematic diagram of the spanner of the invention that declutches.As shown in figure 5, the connection buckle 13 and the spanner 9 that declutches
Between by brake cable 12 be connected, the spanner 9 that declutches is hingedly mounted in fixed plate 10, and fixed plate 10 is mounted on hoistway external wall,
The limiting device for limiting 9 position of spanner of declutching is additionally provided in fixed plate 10.The limiting device is caging bolt 901.
The crust both ends of the brake cable 12 are connected in 2 connection buckle 13 of swing arm and fixed plate 10, the steel wire of brake cable 12
It is connected on the end and connection buckle 13 for the spanner 9 that declutches.So that during the work time, by declutching, spanner 9 controls brake cable
12 tense and loosen and then determine the position of swing arm 2, when reaching designated position, can pass through the comprehensive of stay bolt 14 and reset spring 15
Cooperation is with making swing arm 2 be in stable state.
Fig. 6 shows the structural schematic diagram that the present invention installs.As shown in fig. 6, home elevator mechanical stopping device of the present invention
Both shaft bottom can be loaded on.The present invention can also be loaded on well headroom, when for entering overhead maintenance, need to only fill the present invention
The prevention to elevator can be completed in well headroom.
Working principle of the present invention:When staff needs to enter well pit or top is repaired, it only need to first unload and declutch
Caging bolt 901 on spanner 9, declutch spanner 9, and swing arm 2 rotates under the action of the elastic force of reset spring around bolt 3,
Until stay bolt 14 stops rotating in stress, the movement of limit switch 4 is triggered with the rotation of swing arm 2, it is ensured that electricity
Ladder can be out of service.The fixed natural rubber block 1 in 2 upper end of swing arm tilts simultaneously with swing arm 2, rotates to resistance from normal condition
Only state, natural rubber block 1 just block the uplink and downlink movement of elevator, play the purpose for preventing elevator cab movement, it is ensured that inspection
Repair the safe condition in space.
At the end of maintenance, staff pulls swing arm 2 by the spanner 9 that declutches, and swing arm 2 is in the work of 9 pulling force of spanner that declutches
It is rotated under around bolt 3, natural rubber block 1 returns to normal condition simultaneously with swing arm 2, then by the caging bolt for the spanner 9 that declutches
In 901 insertion fixed plates 10, the spanner 9 that avoids declutching rebounds under the action of elastic force, meanwhile, limit switch 4 also reverts to initially
State (non-toggle state), elevator can operate normally at this time.
The present invention controls swing arm 2 by the spanner 9 that declutches and switches between normal condition and blocked state, easy to operate letter
It is single.
Bracket 7 is attached with structural column 11 by expansion bolt 8 by the present invention, and swing arm 2 prevents consolidating between pedestal 5
Determine connection relationship, strengthen integrally-built stability and intensity, so that further improving maintenance personal is entering well
Safety when road operating maintenance has ensured the life security of maintenance personal.
The present invention connects declutch spanner 9 and swing arm 2 by brake cable 12, facilitates the work that the present apparatus is controlled outside hoistway
State, so that not limited by position when the control present apparatus.
The foregoing is merely preferred embodiments of the invention, are not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of the present invention within.