CN101323412A

CN101323412A - Escalator

Info

Publication number: CN101323412A
Application number: CNA200810107162XA
Authority: CN
Inventors: 孙惠球; 李春福; 张志雁; 丁建新
Original assignee: SJEC Corp; Suzhou Fuji Elevator Co Ltd
Current assignee: SJEC Corp; Suzhou Fuji Elevator Co Ltd
Priority date: 2008-07-30
Filing date: 2008-07-30
Publication date: 2008-12-17

Abstract

The invention relates to an automatic escalator, comprising a truss upper chord, a pedal bracket, a pedal movably arranged on the pedal bracket, a comb plate and a safety device used for detecting that whether foreign matters are snapped-in between the comb plate and a step; the safety device comprises a safety switch which is connected with the power supply of the automatic escalator in series, and a triggering member which is fixedly arranged on the pedal; the safety switch is provided with a sensing member which can move upward or downward and the rear end of the triggering member is provided with a boss which protrudes on the surface thereof; when the foreign matter is snapped-in between the comb plate and the step, the pedal generates movement in the horizontal and vertical direction simultaneously; the boss pushes the sensing member of the safety switch to be contacted with the boss so as to trigger the safety switch to move, thus guaranteeing the safety of passengers; compared with the prior art, the invention has function of bidirectional protection, leads 8 safety switches which are originally needed by a set of automatic escalator to be reduced to 4, largely reduces the cost and has simple structure and convenient installation and maintenance.

Description

Escalator

Technical field

Whether the present invention relates to a kind of escalator with two-way prevention function, being used to detect has foreign matter to snap between step and the fishback.

Background technology

Moving sidewalk or escalator are a kind of transit equipments that is used for conveying people, since be conveying personnel public transport equipment, its safety is particularly important.Each equipment all is provided with broach protection switch up and down generally speaking, snaps between step and the fishback in case its objective is foreign matter, in order equipment not to be caused bigger infringement, should answer safety device that equipment is out of service by green phase.Excessive in the prior art in order to prevent that pedal from moving forward and backward, be provided with safety switch (the boarding plate place up and down of 4 horizontal directions, the left and right sides), simultaneously in order to satisfy the client to the requirement of shelter on the vertical direction, increased the safety switch of 4 vertical direction again, thus, a ladder needs 8 safety switchs unexpectedly, cost is higher on the one hand, safeguards inconvenient on the other hand.

Summary of the invention

In order to overcome the deficiencies in the prior art, the purpose of this invention is to provide a kind of escalator, this device can detect pedal mobile at level and vertical both direction simultaneously, and simple in structure, easy for installation, cost is low, easy to maintenance.

For solving above technical matters, the technical scheme that the present invention takes is: a kind of escalator, it comprises pricncipal rafter, be fixedly installed on the pedal support of described pricncipal rafter, be arranged on the pedal on the described pedal support movably, be fixedly connected on the fishback of the rearward end of pedal, be used to detect the safety device that whether has foreign matter to snap between described fishback and the step, fix the side plate of setting with ground, described safety device comprises the safety switch that the power supply with escalator is in series, be fixedly installed on the triggering part on the described pedal, described safety switch is fixedly installed on the described side plate, described safety switch has induction pieces moving up and down, the lug boss that has outstanding its outside face on the rearward end of described triggering part, described safety switch has two states that switch on and off, when described safety switch is in off-state, the induction pieces of described lug boss and described safety switch offset and the shift motion of described induction pieces greater than setting value.

Described triggering part is the elongate rod that rearward end is upturned.

Described triggering part comprises an elongated rod member and is positioned at the piece of carving on the rearward end of described rod member.

Be set with apron C section bar on the inwall of described side plate, be set with switch bracket on the described apron C section bar, described safety switch is fixed on the described switch bracket.

Because the enforcement of above technical scheme, the present invention compared with prior art has following advantage:

When foreign matter snaps between step and the fishback; pedal produces moving of level and vertical both direction simultaneously; at this moment the triggering part that is fixedly installed on the pedal will be subjected to displacement simultaneously along with pedal; owing to have the lug boss of outstanding its outside face on the rearward end of triggering part; the induction pieces and the lug boss of lug boss promotion safety switch are inconsistent; therefore trigger the safety switch action, escalator is shut down, thereby guaranteed passenger's safety.

Compared with prior art, the present invention has the function of two-way prevention, and 8 safety switchs that make a cover escalator apparatus need have originally dropped to 4, greatly reduce cost, and simple in structure, installation and maintenance convenience.

Description of drawings

Accompanying drawing 1 is a block diagram of the present invention;

Accompanying drawing 2 is a front view of the present invention;

Accompanying drawing 3 is looked scheme drawing for the left side of accompanying drawing 2;

Accompanying drawing 4 is the safety device scheme drawing of the embodiment of the invention two;

Wherein:

1, pedal; 2, pedal support; 3, pricncipal rafter; 4, trigger part; 5, rod member; 6, fishback; 7, step; 8, safety device; 9, switch bracket; 10, side plate; 11, apron C section bar; 12, safety switch; 13, lug boss; 14, induction pieces; 15, carve piece.

The specific embodiment

Embodiment one: as accompanying drawing 1 to a kind of escalator shown in the accompanying drawing 3, it comprises pricncipal rafter 3, be fixedly installed on the pedal support 2 of described pricncipal rafter 3, be arranged on pedal 1 on the described pedal support 2 movably, be fixedly connected on the rearward end of pedal 1 fishback 6, be used to detect the safety device 8 that whether has foreign matter to snap between described fishback 6 and the step 7, fix the side plate 10 of setting with ground.

Described safety device 8 comprises safety switch 12 that the power supply with escalator is in series, is fixedly installed on the triggering part 4 on the described pedal 1; described triggering part 4 is used for triggering safety switch 12 actions when pedal 1 moves, the escalator power cut-off is shut down to guarantee passenger's safety.

Described safety switch 12 is fixedly installed on the described side plate 10, described safety switch 12 has induction pieces 14 moving up and down, in the present embodiment, the elongate rod that described triggering part 4 is upturned for rearward end, its warping part is the lug boss 13 that triggers part 4.Fore-and-aft direction in this specification sheets is corresponding with the working direction of elevator.

Described safety switch 12 has two states that switch on and off, when described safety switch 12 is in off-state, the warping part, rear end of described rod member 5 and the induction pieces 14 of described safety switch 12 offsets and the shift motion of described induction pieces 14 greater than setting value.

In detail, when foreign matter snaps between step 7 and the fishback 6, pedal 1 can produce the moving of trace of level and vertical both direction simultaneously, at this moment along continuous straight runs is fixed on the displacement that the triggering part 4 on the pedal 1 will take place simultaneously forward and make progress along with pedal 1, triggering part 4 is the elongate rod with certain length, the trace of pedal 1 can be raised or forward mobile the amplification according to lever principle.Because the rearward end of the perk of described triggering part 4 promotes the induction pieces 14 of safety switch 12; make induction pieces 14 conflict tightly mutually with the rearward end of the perk that triggers part 4; as long as the displacement of induction pieces 14 surpasses permissible value; just can trigger safety switch 12 actions; the escalator power cut-off is shut down, thereby guaranteed passenger's safety.

Compared with prior art, when snapping in foreign matter between described fishback 6 and the step 7, no matter pedal 1 occurred level direction or vertical direction displacement, safety switch 12 all can move and disconnect the staircase power supply, function with two-way prevention, 8 safety switchs that make a cover escalator apparatus need have originally dropped to 4, greatly reduce cost, and simple in structure, installation and maintenance convenience.

Be set with apron C section bar 11 on the inwall of described side plate 10, be set with switch bracket 9 on the described apron C section bar 11, described safety switch 12 is fixed on the described switch bracket 9.

Described safety switch 12 can carry out Field adjustment as required with the relative position and the gap of described triggering part 4.

Embodiment two: a kind of escalator, it comprises pricncipal rafter 3, be fixedly installed on the pedal support 2 of described pricncipal rafter 3, be arranged on pedal 1 on the described pedal support 2 movably, be fixedly connected on the rearward end of pedal 1 fishback 6, be used to detect the safety device 8 that whether has foreign matter to snap between described fishback 6 and the step 7, fix the side plate 10 of setting with ground.

Described safety switch 12 is fixedly installed on the described side plate 10, described safety switch 12 has induction pieces 14 moving up and down, as shown in Figure 4, different with embodiment one is, triggering part 4 in the present embodiment comprises an elongated rod member 5 and is positioned at carves piece 15 on the rearward end of described rod member 5, carves piece 15 and is the lug boss 13 that triggers part 4.Fore-and-aft direction in this specification sheets is corresponding with the working direction of elevator.

Described safety switch 12 has two states that switch on and off, when described safety switch 12 is in off-state, the described induction pieces 14 of carving piece 15 and described safety switch 12 offset and the shift motion of described induction pieces 14 greater than setting value.

In detail, when foreign matter snaps between step 7 and the fishback 6, pedal 1 can produce the moving of trace of level and vertical both direction simultaneously, at this moment along continuous straight runs is fixed on the displacement that the triggering part 4 on the pedal 1 will take place simultaneously forward and make progress along with pedal 1, trigger part 4 and comprise rod member 5, the trace of pedal 1 can be raised or move and amplify according to lever principle rod member 5 with certain length.Owing to be fixed with on the rearward end of rod member 5 and carve piece 15; and safety switch 12 is positioned at the top of described triggering part 4; pedal 1 forward or move up to drive and carve induction pieces 14 that piece 15 promotes safety switchs 12 and to carve piece 15 inconsistent tightly; as long as the displacement of induction pieces 14 surpasses setting value; just can trigger safety switch 12 actions; the escalator power cut-off is shut down, thereby guaranteed passenger's safety.

The foregoing description only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage that is familiar with this art can understand content of the present invention and is implemented; can not limit protection scope of the present invention with this; all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims

1, a kind of escalator, it comprises pricncipal rafter (3), be fixedly installed on the pedal support (2) of described pricncipal rafter (3), be arranged on the pedal (1) on the described pedal support (2) movably, be fixedly connected on the fishback (6) of the rearward end of pedal (1), be used to detect the safety device (8) that whether has foreign matter to snap between described fishback (6) and the step (7), fix the side plate (10) of setting with ground, it is characterized in that: described safety device (8) comprises the safety switch (12) that the power supply with escalator is in series, be fixedly installed on the triggering part (4) on the described pedal (1), described safety switch (12) is fixedly installed on the described side plate (10), described safety switch (12) has induction pieces moving up and down (14), the lug boss (13) that has outstanding its outside face on the rearward end of described triggering part (4), described safety switch (12) has two states that switch on and off, when described safety switch (12) when being in off-state, the induction pieces (14) of described lug boss (13) and described safety switch (12) offset and the shift motion of described induction pieces (14) greater than setting value.

2, escalator according to claim 1 is characterized in that: the elongate rod that described triggering part (4) is upturned for rearward end.

3, escalator according to claim 1 is characterized in that: described triggering part (4) comprises an elongated rod member (5) and is positioned at carves piece (15) on the rearward end of described rod member (5).

4, escalator according to claim 1, it is characterized in that: be set with apron C section bar (11) on the inwall of described side plate (10), be set with switch bracket (9) on the described apron C section bar (11), described safety switch (12) is fixed on the described switch bracket (9).