CN220467239U

CN220467239U - Electromechanical explosion-proof device

Info

Publication number: CN220467239U
Application number: CN202321498098.9U
Authority: CN
Inventors: 李斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2024-02-09
Anticipated expiration: 2033-06-13

Abstract

The utility model relates to the technical field of elevator explosion-proof devices, in particular to an electromechanical explosion-proof device, which comprises a base, wherein a footstock is arranged at the upper end of the base, sliding ways are fixedly arranged at four corners of the top of the base, the upper end of each sliding way is fixedly connected to the footstock, a lift car is arranged between the footstock and the base, two sides of the lift car are fixedly provided with two sliding blocks which are arranged at intervals, sealing plugs are arranged in communication holes, a plurality of evenly distributed oil drain holes are formed in one side of each sliding way, the oil drain holes are communicated with a cavity II, the sliding blocks are arranged on the outer side of the lift car and can slide in the sliding way, lubricating oil is filled in the cavity I, when the elevator runs, the pressurizing mechanism pressurizes the cavity I, air pressure in the cavity I pushes the sealing plugs to leave the communication holes, and the lubricating oil can enter the cavity II through the communication holes and then enter the sliding ways through the oil drain holes, so that the contact between the sliding ways is lubricated and cooled, and the explosion-proof purpose is achieved.

Description

Electromechanical explosion-proof device

Technical Field

The utility model relates to the technical field of elevator explosion-proof devices, in particular to an electromechanical explosion-proof device.

Background

Industrial elevators are typically electric traction vertical transport devices that use a plurality of independent wire ropes to drive the car up and down. When the elevator runs, the motor drives the traction sheave to run, and static friction force between the traction sheave and the traction wire rope is generated by extrusion force formed by the wire rope crossing the traction sheave on the traction sheave to drive the traction wire rope to lift the elevator car and the load. The principle of the explosion-proof elevator is the same as that of a general elevator, but the explosion-proof elevator has the explosion-proof performance besides the performance necessary for the general elevator. The flameproof product is an explosion-proof product of the type which is commonly used for the explosion protection of high-voltage systems, the enclosure of which is capable of withstanding the internal explosion of a flammable mixture penetrating inside the enclosure through any junction or structural gap of the enclosure without damage and without causing the ignition of an explosive environment formed externally by one or more gases or vapours. The intrinsically safe product is an energy safe explosion-proof product, is often suitable for explosion prevention of a weak current system, any spark or thermal effect generated by a circuit under normal operation and specified fault conditions can not ignite specified explosive gas environments, the explosion-proof technology and the intrinsically safe technology are combined on the same product to form a mutual body with complementary advantages of two explosion-proof forms, and the explosion-proof and intrinsically safe composite type explosion-proof elevator has stronger operability on site, is flexible to use, is convenient to maintain and has low cost. The existing elevator plays a very important role in the production and life of people, but the existing elevator has the defect of being unable to prevent explosion, and an electromechanical explosion-proof device is provided for the elevator.

Disclosure of Invention

The utility model aims to solve the defect that an elevator does not have an explosion-proof function in the prior art, and provides an electromechanical explosion-proof device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the electromechanical explosion-proof device comprises a base, wherein a footstock is arranged at the upper end of the base, slide ways are fixedly arranged at four corners of the top of the base, the upper ends of the slide ways are fixedly connected to the footstock, a lift car is arranged between the footstock and the base, two sliding blocks which are arranged at intervals are fixedly arranged at two sides of the lift car, the sliding blocks are arranged in the slide ways in a sliding manner, a first cavity is arranged in the slide ways, a second cavity is arranged in the slide ways, and the first cavity and the second cavity are arranged at intervals;

the novel sliding rail type oil filling machine is characterized in that a plurality of communication holes which are distributed at equal intervals are formed between the first cavity and the second cavity, sealing plugs are arranged in the communication holes, a plurality of side plates which are distributed at equal intervals are fixedly installed in the second cavity, guide rods penetrate through the sealing plugs, two ends of each guide rod are fixedly connected to the first cavity and the side plates respectively, springs are sleeved on the guide rods, two ends of each spring are fixedly connected to the first cavity and the sealing plugs respectively, a plurality of oil drain holes which are distributed evenly are formed in one side of the sliding rail, the oil drain holes are communicated with the second cavity, and the novel sliding rail type oil filling machine further comprises a pressurizing mechanism, and lubricating oil is filled in the first cavity.

Further, a lifting mechanism is arranged on the top seat and is connected with the car.

Further, the pressurizing mechanism comprises four pressurizing assemblies, each pressurizing assembly comprises a vertical pipe, each vertical pipe is fixedly connected to the top seat and communicated with the corresponding cavity I, the top seat is fixedly connected with a support, the support is fixedly connected with a telescopic rod, the output end of each telescopic rod is fixedly connected with a pressurizing plug, and each pressurizing plug is located in each vertical pipe.

Further, the lifting mechanism comprises a coiler, the coiler is fixedly connected to the top seat, a steel cable is fixedly connected to the coiler, the lower end of the steel cable is fixedly connected to the car, one end of a rotating shaft of the coiler is fixedly connected to a driven wheel, a motor is fixedly connected to the top seat, a driving wheel is fixedly mounted on an output shaft of the motor, and the driving wheel is meshed with the driven wheel.

Further, a smoke alarm is arranged on the car.

The electromechanical explosion-proof device provided by the utility model has the beneficial effects that: through set up the slider in the car outside, the slider can slide in the slide to can produce heat because of the friction at the in-process that the car moved along the slide, through having lubricating oil in cavity one, through pressurizing mechanism to cavity one internal pressure when the elevator moves, in the air pressure promotion sealing plug in the cavity one left the intercommunicating pore, lubricating oil can get into cavity two by the intercommunicating pore, again in getting into the slide by the oil drain hole, thereby lubricate and cool down the contact between slide and the slider, make the slide inside can not produce the open flame, reached explosion-proof purpose.

Drawings

Fig. 1 is a schematic structural diagram of an electromechanical explosion-proof device according to the present utility model.

Fig. 2 is a front view of an electromechanical explosion-proof device according to the present utility model.

Fig. 3 is an enlarged schematic view of a car of an electromechanical explosion-proof device according to the present utility model.

Fig. 4 is an enlarged cross-sectional view of a portion of the structure of a slideway of an electromechanical explosion-proof device according to the present utility model.

In the figure: the device comprises a base 1, a top seat 2, a slideway 3, a car 4, a sliding block 5, a first cavity 6, a second cavity 7, a communication hole 8, a sealing plug 9, a side plate 10, a guide rod 11, a spring 12, an oil drain hole 13, a vertical pipe 14, a bracket 15, a telescopic rod 16, a pressurizing plug 17, a retractor 18, a steel cable 19, a driven wheel 20, a motor 21 and a driving wheel 22.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-4, an electromechanical explosion-proof device comprises a base 1, wherein a footstock 2 is arranged at the upper end of the base 1, slide ways 3 are fixedly arranged at four corners of the top of the base 1, the upper end of each slide way 3 is fixedly connected to the footstock 2, a lift car 4 is arranged between the footstock 2 and the base 1, two sliding blocks 5 which are arranged at intervals are fixedly arranged at two sides of the lift car 4, the sliding blocks 5 are arranged in the slide ways 3 in a sliding manner, a first cavity 6 is arranged in the slide ways 3, a second cavity 7 is arranged in the slide ways 3, and the first cavity 6 and the second cavity 7 are arranged at intervals;

a plurality of equidistance distributed communication holes 8 are formed between the first cavity 6 and the second cavity 7, sealing plugs 9 are arranged in the communication holes 8, a plurality of equidistance distributed side plates 10 are fixedly arranged in the second cavity 7, guide rods 11 are respectively penetrated through the sealing plugs 9, two ends of each guide rod 11 are respectively fixedly connected to the first cavity 6 and the side plates 10, springs 12 are sleeved on the guide rods 11, two ends of each spring 12 are respectively fixedly connected to the first cavity 6 and the sealing plugs 9, a plurality of evenly distributed oil drain holes 13 are formed in one side of the slide way 3, the oil drain holes 13 are communicated with the second cavity 7, and the slide way 3 further comprises a pressurizing mechanism, and lubricating oil is filled in the first cavity 6.

Working principle: through set up slider 5 in the car 4 outside, slider 5 can slide in slide 3 to can produce heat because friction at the in-process that car 4 moved along slide 3, through having lubricating oil in cavity one 6, through pressurizing mechanism to cavity one 6 internal pressurization when the elevator is operated, in cavity one 6 atmospheric pressure promotes sealing plug 9 and leaves intercommunicating pore 8, lubricating oil can get into cavity two 7 by intercommunicating pore 8, get into slide 3 by oil drain hole 13 again, thereby lubricate and cool down the contact between slide 3 and the slider 5, make the inside open flame that can not produce of slide, reached explosion-proof purpose.

Example 2

Referring to fig. 1 to 4, as another preferred embodiment of the present utility model, a difference from embodiment 1 is that a lifting mechanism is mounted on the top chassis 2, and the lifting mechanism is connected to the car 4. The lifting mechanism comprises a coiler 18, the coiler 18 is fixedly connected to the top seat 2, a steel cable 19 is fixedly connected in the coiler 18, the lower end of the steel cable 19 is fixedly connected to the car 4, one end of a rotating shaft of the coiler 18 is fixedly connected with a driven wheel 20, a motor 21 is fixedly connected to the top seat 2, a driving wheel 22 is fixedly installed on an output shaft of the motor 21, and the driving wheel 22 is meshed with the driven wheel 20. A smoke alarm is mounted on the car 4.

The pressurizing mechanism comprises four pressurizing assemblies, each pressurizing assembly comprises a vertical pipe 14, the vertical pipes 14 are fixedly connected to the top seat 2 and are communicated with the first cavity 6, a support 15 is fixedly connected to the top seat 2, a telescopic rod 16 is fixedly connected to the support 15, a pressurizing plug 17 is fixedly connected to the output end of the telescopic rod 16, and the pressurizing plug 17 is located in the vertical pipes 14.

Working principle: when the elevator runs, the motor 21 drives the driving wheel 22 to rotate, the driving wheel 22 drives the driven wheel 20 to rotate, and the driven wheel 20 is connected with the retractor 18 and synchronously rotates, so that the retractor 18 rotates and the steel cable 19 with a certain length is wound or unwound, and the lifting and the lowering of the elevator car 4 are realized. Through set up slider 5 in car 4 outside, slider 5 can slide in slide 3 to can produce heat because friction at the in-process that car 4 moved along slide 3, through filling with lubricating oil in cavity one 6, when the elevator was operated to cavity one 6 internal pressure through pressurizing mechanism, the atmospheric pressure in cavity one 6 promoted sealing plug 9 and left in the intercommunicating pore 8, lubricating oil can get into cavity two 7 by intercommunicating pore 8, and then gets into in the slide 3 by oil drain hole 13. The pressurizing plug 17 is moved along the vertical pipe 14 by the telescopic rod 16, so that the pressurizing plug 17 can perform pressurizing operation on the first cavity 6.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an electromechanical explosion-proof device, includes base (1), its characterized in that, base (1) upper end is equipped with footstock (2), equal fixed mounting in four corners in base (1) top department has slide (3), slide (3) upper end all fixed connection is on footstock (2), be equipped with car (4) between footstock (2) and base (1), both sides of car (4) all fixed mounting have slider (5) that two intervals set up, slider (5) slide and set up in slide (3), be equipped with cavity one (6) in slide (3), be equipped with cavity two (7) in slide (3), cavity one (6) and cavity two (7) interval setting;

the novel sealing device comprises a cavity I (6) and a cavity II (7), wherein a plurality of communicating holes (8) which are distributed at equal intervals are formed between the cavity I (6) and the cavity II (7), sealing plugs (9) are arranged in the communicating holes (8), a plurality of side plates (10) which are distributed at equal intervals are fixedly installed in the cavity II (7), guide rods (11) are arranged on the sealing plugs (9) in a penetrating mode, two ends of each guide rod (11) are fixedly connected to the cavity I (6) and the side plates (10) respectively, springs (12) are sleeved on the guide rods (11), two ends of each spring (12) are fixedly connected to the cavity I (6) and the sealing plugs (9) respectively, a plurality of evenly distributed oil drain holes (13) are formed in one side of each slideway (3), the oil drain holes (13) are communicated with the cavity II (7), and the novel sealing device further comprises a pressurizing mechanism, and lubricating oil is filled in the cavity I (6).

2. The electromechanical explosion-proof device according to claim 1, characterized in that the top seat (2) is provided with a lifting mechanism, which is connected with the car (4).

3. The electromechanical explosion-proof device according to claim 1, wherein the pressurizing mechanism comprises four pressurizing assemblies, the pressurizing assemblies comprise a vertical pipe (14), the vertical pipe (14) is fixedly connected to the top seat (2) and is communicated with the first cavity (6), a support (15) is fixedly connected to the top seat (2), a telescopic rod (16) is fixedly connected to the support (15), a pressurizing plug (17) is fixedly connected to the output end of the telescopic rod (16), and the pressurizing plug (17) is located in the vertical pipe (14).

4. The electromechanical explosion-proof device according to claim 2, wherein the lifting mechanism comprises a retractor (18), the retractor (18) is fixedly connected to a top seat (2), a steel cable (19) is fixedly connected to the retractor (18), the lower end of the steel cable (19) is fixedly connected to a car (4), a driven wheel (20) is fixedly connected to one end of a rotating shaft of the retractor (18), a motor (21) is fixedly connected to the top seat (2), a driving wheel (22) is fixedly installed on an output shaft of the motor (21), and the driving wheel (22) is meshed with the driven wheel (20).

5. An electromechanical explosion-proof device according to claim 1, characterised in that the car (4) is fitted with a smoke alarm.