CN213475211U

CN213475211U - Anti-electric-shock hand electric door of crane

Info

Publication number: CN213475211U
Application number: CN202022166807.6U
Authority: CN
Inventors: 邢进川
Original assignee: Tianjin Furidus Technology Co ltd
Current assignee: Tianjin Furidus Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-18
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a hoist protection against electric shock flashlight door, concretely relates to flashlight door technical field, including shell and flashlight door main part, the shell top is equipped with protection against electric shock mechanism, protection against electric shock mechanism includes the plug, the connecting hole has been seted up to the plug bottom, the fixed spring that is equipped with in the inside top of connecting hole, the fixed second electrode post that is equipped with of spring one end, the fixed first electrode post that is equipped with in shell top, the fixed third wire that is equipped with in plug top. The utility model discloses a set up protection against electric shock mechanism, at the in-process of operating the shell, hold the metal handle, after unfortunate emergence electric shock, utilize human electrified with electric current conduction to electro-magnet for the electro-magnet is electrified and produces homopolar repulsion with the magnet stick, utilizes the elasticity of spring to separate first electrode post and plug simultaneously, with this circuit disconnection, avoids long-time electric shock to make very big injury to the human body, has improved the security performance of this device.

Description

Anti-electric-shock hand electric door of crane

Technical Field

The embodiment of the utility model provides a relate to flashlight door technical field, concretely relates to hoist protection against electric shock flashlight door.

Background

The crane is a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range, and the crane has the working characteristic of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the crane is more and more widely developed and used in the market.

The existing crane can be controlled by a remote controller, but can be controlled by a hand-operated switch under most conditions, the hand-operated switch is independent and different from the remote controller and the crane, and the hand-operated switch needs to be connected with the crane through a wire, so that potential safety hazards also exist in the hand-operated switch, and the electric shock condition can occur when the hand-operated switch is operated under some conditions, so that the electric shock condition is dangerous.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a hoist protection against electric shock flashlight door to the comparatively dangerous problem of condition that the electric shock can appear when solving among the prior art handheld flashlight door and operating.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: an anti-electric-shock hand electric door of a crane comprises a shell and a hand electric door main body, wherein the hand electric door main body is fixedly arranged on the rear wall inside the shell, and the top end of the shell is provided with an anti-electric-shock mechanism;

the electric shock prevention mechanism comprises a plug, the plug is arranged at the top end of the shell, a connecting hole is formed in the bottom end of the plug, a spring is fixedly arranged at the top end inside the connecting hole, a second electrode column is fixedly arranged at one end of the spring, the second electrode column is arranged inside the connecting hole, a first electrode column is fixedly arranged at the top end of the shell, one end of the first electrode column extends into the shell, the other end of the first electrode column extends into the connecting hole and is in contact with one end of the second electrode column, a third lead is fixedly arranged at the top end of the plug, one end of the third lead extends into the connecting hole and is fixedly connected with the other end of the connecting hole, a fixing ring is fixedly arranged at the outer end of the plug, two magnet rods are fixedly arranged at the bottom end of the fixing ring, two insulating tubes are fixedly arranged at, the insulating tube is internally and fixedly provided with an electromagnet, the electromagnet is fixedly arranged at the top end of the shell, one end of the magnet rod extends into the insulating tube and is in contact with the electromagnet, one side of the shell is fixedly provided with a first lead, one end of the first lead is fixedly provided with a metal handle, and the metal handle and the first lead are electrically connected with the electromagnet.

Furthermore, a second wire is arranged inside the shell, and two ends of the second wire are fixedly connected with the flashlight door main body and one end of the first electrode column respectively.

Further, the fixed pilot lamp that is equipped with in shell front side, pilot lamp and flashlight door main part electric connection.

Furthermore, a plurality of insulating films are fixedly arranged on the front side of the shell, the insulating films are arranged at the bottom of the indicator light, and the insulating films separate the switches.

Further, the inside switch that is equipped with of insulating film, the switch is fixed to be established in the shell front side, switch and flashlight door main part electric connection.

Furthermore, an activated carbon bag is fixedly arranged at the bottom end inside the shell, and a rubber pad is fixedly arranged on the inner wall of the shell.

Furthermore, a fixing rod is fixedly arranged on the other side of the shell.

Furthermore, a rear cover is arranged on the rear side of the shell and movably connected with the shell through a hinge.

The embodiment of the utility model provides a have following advantage:

the utility model discloses a set up protection against electric shock mechanism, at the in-process of operating the shell, hold the metal handle, after unfortunate emergence electric shock, utilize human electrified with electric current conduction to electro-magnet, make the electro-magnet electrified and produce homopolar repulsion with the magnet stick, the elasticity that utilizes the spring simultaneously separates first electrode post and plug, with this with the circuit disconnection, avoid long-time electric shock to make very big injury to the human body, the security performance of this device has been improved, compared with the prior art, can cut off the source of electric current in the twinkling of an eye at the human electric shock, reduce the harm of touching the electricity to the human body, and the security performance is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a front view provided by the present invention;

fig. 2 is a right side sectional view provided by the present invention;

fig. 3 is a cross-sectional view of the plug provided by the present invention;

fig. 4 is a perspective view of the plug provided by the present invention;

fig. 5 is a circuit diagram of the electric shock preventing mechanism provided by the present invention;

in the figure: the electric torch comprises a shell 1, a metal handle 2, a first lead 3, an insulating film 4, an indicator light 5, a plug 6, a fixing rod 7, a flashlight door main body 8, a switch 9, a rear cover 10, a first electrode column 11, a second lead 12, a fixing ring 13, a connecting hole 14, a spring 15, a third lead 16, a second electrode column 17, a magnet rod 18, an electromagnet 19 and an insulating tube 20.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawings 1-5 in the specification, the anti-electric-shock hand electric door of the crane in the embodiment comprises a shell 1 and a hand electric door main body 8, wherein the hand electric door main body 8 is fixedly arranged on the rear wall inside the shell 1, and an anti-electric-shock mechanism is arranged at the top end of the shell 1;

the electric shock preventing mechanism comprises a plug 6, the plug 6 is arranged at the top end of a shell 1, a connecting hole 14 is formed in the bottom end of the plug 6, a spring 15 is fixedly arranged at the top end inside the connecting hole 14, a second electrode column 17 is fixedly arranged at one end of the spring 15, the second electrode column 17 is arranged inside the connecting hole 14, a first electrode column 11 is fixedly arranged at the top end of the shell 1, one end of the first electrode column 11 extends into the shell 1, the other end of the first electrode column 11 extends into the connecting hole 14 and is in contact with one end of the second electrode column 17, a third lead 16 is fixedly arranged at the top end of the plug 6, one end of the third lead 16 extends into the connecting hole 14 and is fixedly connected with the other end of the connecting hole 14, a fixing ring 13 is fixedly arranged at the outer end of the plug 6, two magnet rods 18 are fixedly arranged at the bottom end of the fixing ring, the two insulating tubes 20 are respectively arranged on two sides of the first electrode column 11, an electromagnet 19 is fixedly arranged inside the insulating tube 20, the electromagnet 19 is fixedly arranged at the top end of the shell 1, one end of the magnet rod 18 extends into the insulating tube 20 and contacts with the electromagnet 19, a first lead 3 is fixedly arranged on one side of the shell 1, one end of the first lead 3 is fixedly provided with a metal handle 2, the metal handle 2 and the first lead 3 are electrically connected with the electromagnet 19, the current is conducted to the electromagnet 19 by utilizing the electrification of a human body, so that the electromagnet 19 is electrified and generates homopolar repulsion with the magnet rod 18, and meanwhile, the first electrode column 11 is separated from the plug 6 by utilizing the elasticity of the spring 15, thereby disconnecting the circuit and avoiding great damage to the human body caused by long-time electric shock.

Further, a second wire 12 is arranged inside the housing 1, and two ends of the second wire 12 are respectively and fixedly connected with the flashlight door main body 8 and one end of the first electrode column 11, and are used for connecting the first electrode column 11 and the flashlight door main body 8.

Further, fixed being equipped with pilot lamp 5 in shell 1 front side, pilot lamp 5 and flashlight door main part 8 electric connection, pilot lamp 5 is used for showing whether the flashlight door main part 8 circular telegram.

Furthermore, a plurality of insulating films 4 are fixedly arranged on the front side of the shell 1, the insulating films 4 are arranged at the bottoms of the indicator lamps 5, and the insulating films 4 separate the switches 9 to avoid electric shock in the operation process.

Further, insulating film 4 is inside to be equipped with switch 9, switch 9 is fixed to be established in shell 1 front side, switch 9 and flashlight door main part 8 electric connection, switch 9 is used for controlling flashlight door main part 8.

Furthermore, the bottom end inside the shell 1 is fixedly provided with an activated carbon bag, the inner wall of the shell 1 is fixedly provided with a rubber pad, and the rubber pad is used for separating the electric hand switch main body 8 from the shell 1 to play an insulating role.

Further, a fixing rod 7 is fixedly arranged on the other side of the shell 1, and the fixing rod is convenient to operate by hands when in use.

Furthermore, the rear side of the shell 1 is provided with a rear cover 10, and the rear cover 10 is movably connected with the shell 1 through a hinge, so that internal parts can be conveniently overhauled.

The implementation scenario is specifically as follows: before use, the plug 6 is fixed on the top end of the shell 1, the first electrode column 11 is inserted into the plug 6 through the connecting hole 14, one end of the first electrode column 11 is contacted with the second electrode column 17, the second electrode column 17 moves along with the first electrode column 11 continuously extending into the connecting hole 14, the spring 15 is compressed, meanwhile, two magnet rods 18 are inserted into the insulating tube 20, when the magnet rods 18 are contacted with the electromagnet 19, the electromagnet 19 is not electrified, the visible electromagnet 19 is a common iron column, but the end of the electromagnet 19 contacted with the magnet rod 18 is homopolar, the magnet rod 18 can adsorb the electromagnet 19 through magnetic force, so as to fix the plug 6 on the top end of the shell 1, at the moment, the indicator lamp 5 is observed, whether the circuit is connected is judged through whether the indicator lamp 5 is lighted, when in operation, one hand is inserted into the gap between the fixed rod 7 and the shell 1, when the other hand holds the metal handle 2, when the electric shock phenomenon happens unfortunately, the human body is electrified due to the electric shock, so that the metal handle 2 held in the hand is also electrified, the current is conducted to the electromagnet 19 through the metal handle 2 and the first lead 3, after the electromagnet 19 is electrified, because the electromagnet 19 is in homopolar contact with the magnet rod 18, after the electromagnet 19 is electrified and has magnetism, the electromagnet 19 and the magnet rod 18 have homopolar repulsion, the magnet rod 18 is pushed out of the insulating tube 20 due to repulsive force, meanwhile, after the magnet rod 18 and the electromagnet 19 are not adsorbed to each other, the compressed spring 15 releases elastic force to push the second electrode column 17, further pushes the first electrode column 11 and the plug 6 to be separated, at the moment, the shell 1 and the flashlight main body 8 are disconnected with the circuit, the damage of the electric shock to the human body is timely reduced, through the arrangement of the electric shock prevention mechanism, in the process of operating the shell 1, hold metal handle 2, when unfortunate emergence electric shock the back, utilize human electrified with electric current conduction to electro-magnet 19, make electro-magnet 19 electrified and produce homopolar repulsion with magnet stick 18, utilize the elasticity of spring 15 to separate first electrode post 11 and plug 6 simultaneously, with this circuit disconnection, avoid long-time electric shock to cause very big injury to the human body, the security performance of this device has been improved, the comparatively dangerous problem of the condition of probably appearing the electric shock when this embodiment has specifically solved among the prior art handheld flashlight door and has operated.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a hoist protection against electric shock flashlight door, includes shell (1) and flashlight door main part (8), flashlight door main part (8) are fixed to be established on the inside back wall of shell (1), its characterized in that: the top end of the shell (1) is provided with an electric shock prevention mechanism;

the electric shock prevention mechanism comprises a plug (6), the plug (6) is arranged at the top end of a shell (1), a connecting hole (14) is formed in the bottom end of the plug (6), a spring (15) is fixedly arranged at the top end inside the connecting hole (14), a second electrode column (17) is fixedly arranged at one end of the spring (15), the second electrode column (17) is arranged inside the connecting hole (14), a first electrode column (11) is fixedly arranged at the top end of the shell (1), one end of the first electrode column (11) extends to the inside of the shell (1), the other end of the first electrode column (11) extends to the inside of the connecting hole (14) and is in contact with one end of the second electrode column (17), a third lead (16) is fixedly arranged at the top end of the plug (6), one end of the third lead (16) extends to the inside of the connecting hole (14) and is fixedly connected with the other end of the, fixed solid fixed ring (13) that is equipped with in plug (6) outer end, gu fixed ring (13) bottom mounting is equipped with two magnet stick (18), fixed two insulating tube (20) of being equipped with in shell (1) top, two insulating tube (20) are established respectively in first electrode post (11) both sides, insulating tube (20) internal fixation is equipped with electro-magnet (19), electro-magnet (19) are fixed to be established on shell (1) top, magnet stick (18) one end extends to insulating tube (20) inside and contacts with electro-magnet (19), shell (1) one side is fixed and is equipped with first wire (3), first wire (3) one end is fixed and is equipped with metal handle (2), metal handle (2) and first wire (3) and electro-magnet (19) electric connection.

2. The electric shock preventing electric hand switch of the crane as claimed in claim 1, wherein: the novel flashlight is characterized in that a second wire (12) is arranged inside the shell (1), and two ends of the second wire (12) are fixedly connected with the flashlight main body (8) and one end of the first electrode column (11) respectively.

3. The electric shock preventing electric hand switch of the crane as claimed in claim 1, wherein: the utility model discloses a flashlight door, including shell (1), shell (1) front side is fixed and is equipped with pilot lamp (5), pilot lamp (5) and flashlight door main part (8) electric connection.

4. The electric shock preventing electric hand switch of the crane as claimed in claim 3, wherein: the front side of the shell (1) is fixedly provided with a plurality of insulating films (4), and the insulating films (4) are arranged at the bottom of the indicator lamp (5).

5. The electric shock preventing electric hand switch of the crane as claimed in claim 4, wherein: insulating film (4) inside is equipped with switch (9), switch (9) are fixed to be established in shell (1) front side, switch (9) and flashlight door main part (8) electric connection.

6. The electric shock preventing electric hand switch of the crane as claimed in claim 1, wherein: the bottom end inside the shell (1) is fixedly provided with an activated carbon bag, and the inner wall of the shell (1) is fixedly provided with a rubber pad.

7. The electric shock preventing electric hand switch of the crane as claimed in claim 1, wherein: and a fixing rod (7) is fixedly arranged on the other side of the shell (1).

8. The electric shock preventing electric hand switch of the crane as claimed in claim 1, wherein: the rear cover (10) is arranged on the rear side of the shell (1), and the rear cover (10) is movably connected with the shell (1) through a hinge.