CN214456143U - Touch-preventing safety lifting device - Google Patents
Touch-preventing safety lifting device Download PDFInfo
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- CN214456143U CN214456143U CN202022698642.7U CN202022698642U CN214456143U CN 214456143 U CN214456143 U CN 214456143U CN 202022698642 U CN202022698642 U CN 202022698642U CN 214456143 U CN214456143 U CN 214456143U
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- steel wire
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- lifting steel
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Abstract
The utility model relates to a touching prevents safe elevating gear, including the fixed body, the lifting steel wire, the body and controller that goes up and down, lifting steel wire one end install on the fixed body through carrying silk wheel roll, the other end is fixed on the fixed body through a pulling telescopic machanism, lifting body slidable mounting carry the silk wheel and pull the lifting steel wire between the telescopic machanism, make the lifting steel wire receive and release the elevating function that the action realized the pulling lifting body through carrying silk wheel roll, the pulling telescopic machanism on be equipped with an inductive switch, inductive switch circuit or/and communication signal's output/input and the circuit of controller or/and communication signal's output/input meet. The utility model discloses can effectually avoid making the lift steel wire jump out and carry the silk wheel and cause the technical problem of card lift steel wire because of the spring action of lift steel wire, not only avoid the trouble that causes from this like this, also avoid causing the damage of machine simultaneously.
Description
Technical Field
The utility model relates to a lifting device, concretely relates to riser structure with safety protection performance.
Background
The current lifting device is widely applied to high-altitude space places such as stages, mines, stadiums, stations, wharfs and the like. If the lifting device is applied to the lifting lamp in the place, the lifting device mainly drives the wire carrying wheel to roll the steel wire through the motor, the steel wire lifts the lifting object to be lifted, so that the lifting object is convenient to install and maintain, but when the steel wire lifts the object to a preset position in the rolling process, the wire carrying wheel cannot be closed and stopped in time, the wire carrying wheel continues to rotate, the discharged steel wire is overlong, the steel wire cannot be pulled out of the lifting device under the action of force in time, the discharged steel wire is easy to block in the lifting device, further faults are caused, normal use is avoided, meanwhile, the wire carrying wheel cannot be closed in time to stop continuously discharging the steel wire, and safety accidents are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem that the existing lifter has the characteristics of being capable of preventing the safety lifting device from being touched.
The safety lifting device for preventing touch comprises a fixed body, a lifting steel wire, a lifting body and a controller, wherein one end of the lifting steel wire is arranged on the fixed body through a wire carrying wheel in a rolling way, the other end of the lifting steel wire is fixed on the fixed body through a pulling telescopic mechanism, the lifting body is slidably arranged on the lifting steel wire between the wire carrying wheel and the pulling telescopic mechanism, so that the lifting steel wire can realize the lifting function of the pulling lifting body through the rolling and winding and unwinding actions of the wire carrying wheel, an inductive switch is arranged on the pulling telescopic mechanism, and the output/input end of an inductive switch circuit or/and a communication signal is connected with the circuit of the controller or/and the output/input end of the communication signal; when the lifting steel wire is stressed to be in a tensioning state, the telescopic mechanism is pulled to be in a retracted state, at the moment, the inductive switch is kept in an open state through the controller, and the lifting steel wire is controlled to pull the lifting body to implement a lifting function; when the lifting steel wire is not stressed and is in a loose state, the telescopic mechanism is pulled to be in an extending state, and at the moment, the induction switch is pressed down to be closed through the controller to stop the lifting steel wire from pulling the lifting body to descend.
Furthermore, the fixed body comprises a fixed shell and a mounting bracket in the fixed shell; the controller also comprises a wire mechanism and a driving motor, the wire mechanism, the wire loading wheel and the driving motor are arranged in the fixed shell by being fixed on the mounting bracket, the lifting steel wire penetrates out of the fixed shell by being guided by the wire mechanism and is roundly fixed on the fixed shell, and the lifting body is positioned on the roundabout lifting steel wire.
Furthermore, the wire guiding mechanism is composed of two movable pulleys, the movable pulleys are provided with wire guiding grooves, and the two movable pulleys are distributed up and down.
Furthermore, the mounting bracket is composed of a flat plate and a vertical plate, the wire carrying wheel is positioned at the center of the flat plate, and the vertical plate is vertically arranged on the flat plate at one side of the wire carrying wheel.
Furthermore, the pulling telescopic mechanism is composed of a guide sleeve, a telescopic spring and a guide pillar, the guide sleeve is a fixing part provided with a through hole, the guide pillar is a telescopic part with a limiting flange at one end, the telescopic spring is positioned on the guide pillar between the limiting flange and the guide sleeve, and the lifting steel wire is fixedly connected with the guide pillar, so that the guide pillar forms a telescopic component under the pulling action of the lifting steel wire and the return action of the telescopic spring.
Furthermore, the pulling telescopic mechanism further comprises a rotating plane bearing, and the rotating plane bearing is positioned between the guide sleeve and the guide pillar.
Furthermore, the inductive switch is a microswitch, and a starting element of the microswitch is positioned at a telescopic position for pulling the telescopic mechanism.
Furthermore, the wire carrying wheel is horizontally arranged.
The utility model has the advantages that:
1. the utility model discloses an inductive switch is when the lifting steel wire atress is taut state, and automatic opening controller control lifting steel wire raising and lowering functions, when the non-atress of lifting steel wire is not hard up state, self-closing controller prevents the lifting steel wire decline function. Therefore, the technical problem that the lifting steel wire is clamped due to the fact that the lifting steel wire jumps out of the wire carrying wheel under the elastic action of the lifting steel wire can be effectively solved, and therefore not only is the fault caused by the technical problem avoided, but also the damage to a machine is avoided.
2. Because the utility model discloses inductive switch is when falling the non-atress of steel wire and being not hard up state, can the self-closing controller prevent the lift steel wire decline function, can effectively avoid from this because unloaded maloperation, and can not in time close and prevent to carry the silk wheel to emit the steel wire and cause the incident.
3. The utility model discloses a lift steel wire one end is equipped with pulling telescopic machanism and fixes on the fixed body to be located inductive switch and correspond the position, better control inductive switch makes it keep effectual control state from this, effectively improves the security performance of product.
Drawings
Fig. 1 is a structural diagram of an embodiment of the present invention.
Fig. 2 is a structural installation diagram of the embodiment of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Fig. 4 is a structural installation diagram of the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 4, the touch-preventive safety lifting device includes a fixed body 1, a lifting steel wire 2, a lifting body 3 and a controller 4, wherein one end of the lifting steel wire 2 is rolled and installed on the fixed body 1 through a wire-carrying wheel 5, the other end of the lifting steel wire is fixed on the fixed body 1 through a pulling telescopic mechanism 6, the wire-carrying wheel 5 is a reel for rolling the lifting steel wire, the pulling telescopic mechanism 6 is a member with a telescopic function formed by pulling the lifting steel wire 2, the lifting body 3 is a hanging disc capable of lifting up and down, the lifting body 3 is slidably installed on the lifting steel wire 2 between the wire-carrying wheel 5 and the pulling telescopic mechanism 6, so that the lifting steel wire 2 can be rolled and released through the wire-carrying wheel 5 to realize the lifting function of pulling the lifting body 3, the pulling telescopic mechanism 6 is provided with a sensing switch 7, and the sensing switch 7 is arranged on the circuit or/input end of the sensing switch 7 and/or the output end of the communication signal and the circuit or/output of the communication signal of the controller 4 or/output of the communication signal The input ends are connected; when the lifting steel wire 2 is stressed to be in a tensioning state, the telescopic mechanism 6 is pulled to be in a retracted state, and at the moment, the inductive switch 7 is kept in an open state through the controller 4 to control the lifting steel wire 2 to pull the lifting body 3 to have a lifting function; when the lifting steel wire 2 is not stressed and is in a loose state, the pulling telescopic mechanism 6 is in an extending and jacking state, and at the moment, the inductive switch 7 is closed through the controller 4 to prevent the lifting steel wire 2 from pulling the lifting body 3 to descend.
In the embodiment, the fixed body 1 comprises a fixed shell 8 and a mounting bracket 9 in the fixed shell 8; the fixed shell 8 comprises a fixed shell 81 and a cover 82, the upper part of the fixed shell 81 is provided with an opening 83, the bottom of the fixed shell 81 is provided with a fixed interface, and the cover 82 is arranged at the opening 83, so that the fixed body 1 forms a sealed shell. The lifting body 3 is composed of a lifting shell 31, a fixed chassis 32 and a hook 33, wherein the upper part of the lifting shell 31 is provided with a lifting butt joint port 34, the bottom of the lifting shell is provided with an opening, the opening of the fixed chassis 32 is fixedly arranged, so that the lifting shell 31 forms a sealing state, the lifting butt joint port 34 is matched with the fixed butt joint port relatively to form a conductive butt joint port, and the hook 33 is arranged on the fixed chassis 32. The controller 4 further comprises a wire mechanism 10 and a driving motor 11, the wire mechanism 10, the wire carrying wheel 5 and the driving motor 11 are installed in a fixed shell 8 through being fixed on an installation support 9, the lifting steel wire 2 penetrates out of the fixed shell 8 through being guided by the wire mechanism 10 and is fixed on the fixed shell 8 in a winding manner, the lifting body 3 is located on the winding lifting steel wire 2, namely two fixed points are arranged on the fixed body 1, the wire carrying wheel 5 is arranged at one fixed point, one end of the lifting steel wire 2 is fixed on the wire carrying wheel 5 at one fixed point, a winding and unwinding function is formed through winding of the wire carrying wheel 5, the other end of the lifting steel wire is fixed on the other fixed point, and the lifting steel wire 2 is wound through the wire carrying wheel 5 to form a length which is loosened, extended, jacked or wound and retracted to control the stretching length, so as to control the lifting height of the lifting body 2.
The wire guiding mechanism 10 is composed of two movable pulleys 101, the movable pulleys 101 are provided with wire guiding grooves 102, and the two movable pulleys 101 are distributed up and down. The mounting bracket 9 is composed of a flat plate 91 and a vertical plate 92, the wire carrying wheel 5 is positioned at the center of the flat plate 91, the wire carrying wheel 5 is horizontally arranged and mounted on the flat plate 91, the vertical plate 92 is vertically mounted on the flat plate 91 at one side of the wire carrying wheel 5, and the two movable pulleys 101 are vertically distributed and mounted on the vertical plate 92.
The pulling telescopic mechanism 6 is arranged on the flat plate 91, the pulling telescopic mechanism 6 is composed of a guide sleeve 61, a telescopic spring 62 and a guide pillar 63, the guide sleeve 61 is a fixing part provided with a through hole, the guide sleeve 61 is arranged on a fixing hole 911 arranged on the flat plate 91, the guide pillar 63 penetrates through the telescopic spring 62 and the guide sleeve 61 and extends into the bottom of the flat plate 91 and is limited by a clamp spring, the guide pillar 63 is a telescopic part with a limiting flange 631 at one end, the telescopic spring 62 is positioned on the guide pillar 63 between the limiting flange 631 and the guide sleeve 61, the lifting steel wire 2 is fixedly connected with the guide pillar 63, and the guide pillar 63 forms a telescopic component under the pulling action of the lifting steel wire 2 and the return action of the telescopic spring 62. Pulling telescopic machanism 6 still including rotating plane bearing, this rotating plane bearing is located between guide pin bushing 61 and guide pillar 63, this rotating plane bearing avoids lifting steel wire 2 to stimulate from top to bottom and produces the rotation and produce the effort to the riser, and with this influence performance, it is concrete, can produce the orbit when lifting steel wire 2 stimulates from top to bottom, its orbit can produce the effort and hinder lifting steel wire 2's lift pulling performance, and rotating plane bearing makes pulling telescopic machanism 6 produce automatic rotation at dull and stereotyped 91, avoid appearing lifting steel wire 2's orbit, with this performance that improves the product.
The inductive switch 7 is a microswitch, a starting element 71 of the microswitch is positioned at a telescopic position for pulling the telescopic mechanism 6, and the starting element is a control switch of the microswitch. Specifically, the microswitch is mounted on the flat plate 91 through a right-angle plate, the starting element 71 is a control switch provided with a right-angle spring piece, and one end of the starting element 71 is positioned above the guide post 63, so that the guide post 63 is in a contact (stressed) or non-contact (non-stressed) state with the right-angle spring piece of the starting element 71 when being stretched, namely, a working state for starting or closing the microswitch is formed.
When the utility model is applied, when the lifting steel wire 2 lifts the lifting body 3 to pull the lifting object, the lifting steel wire 2 is in a stressed state, at the moment, the pulling telescopic mechanism 6 is in a retracted state by stress pulling, namely the guide post 63 compresses the telescopic spring 62 to retract inwards, the guide post 63 and the starting element 71 (specifically the right-angle spring piece position) of the micro switch form a non-contact or non-stressed state, so that the micro switch control controller 4 keeps the lifting object or controls the lifting state, and the lifting device can operate normally; when the lifting steel wire 2 lifts and falls to touch the ground or an object by lifting the lifting body 3, the lifting steel wire 2 is in a loose state, at the moment, the telescopic mechanism 6 is pulled under the action of the telescopic spring 62, namely the guide post 63 returns and extends under the action of the telescopic spring 62, the guide post 63 returns and extends to jack up the starting element 71 (specifically, the right-angle spring piece position) of the micro switch, so that the micro switch control controller 4 stops the descending function of the lifting steel wire 2, the controller 4 can only control the lifting object to ascend and suspend, and therefore the safety protection effect is achieved, if the lifting steel wire 2 lifts the lifting object to descend and collide with the object, the controller 4 can be automatically closed to stop the descending function of the lifting steel wire 2, and the machine is prevented from continuously descending to enable the lifting steel wire to jump out of the wire carrying wheel under the elastic force effect.
Claims (8)
1. Safety elevating gear is prevented in touching, including fixed body (1), lift steel wire (2), the body (3) and controller (4), characterized by: one end of the lifting steel wire (2) is arranged on the fixed body (1) in a rolling mode through the wire carrying wheel (5), the other end of the lifting steel wire (2) is fixed on the fixed body (1) through the pulling telescopic mechanism (6), the lifting body (3) is arranged on the lifting steel wire (2) between the wire carrying wheel (5) and the pulling telescopic mechanism (6) in a sliding mode, the lifting steel wire (2) is enabled to achieve the lifting function of pulling the lifting body (3) through the rolling, winding and unwinding actions of the wire carrying wheel (5), an induction switch (7) is arranged on the pulling telescopic mechanism (6), and the circuit or/and the output/input end of a communication signal of the induction switch (7) are connected with the circuit or/and the output/input end of the communication signal of the controller (4);
when the lifting steel wire (2) is stressed to be in a tensioned state, the telescopic mechanism (6) is pulled to be in a retracted state, at the moment, the inductive switch (7) is kept in an open state through the controller (4), and the lifting steel wire (2) is controlled to pull the lifting body (3) to implement a lifting function;
when the lifting steel wire (2) is not stressed and is in a loose state, the pulling telescopic mechanism (6) is in an extending state, and at the moment, the induction switch (7) is pressed down and is closed through the controller (4) to stop the lifting steel wire (2) from pulling the lifting body (3) to descend.
2. The touch-deterrent safety lift device of claim 1, characterized by: the fixing body (1) comprises a fixing shell (8) and a mounting bracket (9) in the fixing shell (8); the controller (4) further comprises a wire mechanism (10) and a driving motor (11), the wire mechanism (10), the wire loading wheel (5) and the driving motor (11) are installed in the fixed shell (8) through being fixed on the installation support (9), the lifting steel wire (2) penetrates out of the fixed shell (8) through the guide of the wire mechanism (10) and is fixed on the fixed shell (8) in a roundabout mode, and the lifting body (3) is located on the roundabout lifting steel wire (2).
3. The touch-deterrent safety lift device of claim 2, wherein: the wire guiding mechanism (10) is composed of two movable pulleys (101), a wire guiding groove (102) is formed in each movable pulley (101), and the two movable pulleys (101) are distributed up and down.
4. The touch-deterrent safety lift device of claim 2, wherein: the mounting bracket (9) consists of a flat plate (91) and a vertical plate (92), the wire carrying wheel (5) is positioned at the center of the flat plate (91), and the vertical plate (92) is vertically mounted on the flat plate (91) at one side of the wire carrying wheel (5).
5. A touch deterrent safety lifting device as claimed in any of claims 1 to 4 wherein: the pulling telescopic mechanism (6) is composed of a guide sleeve (61), a telescopic spring (62) and a guide pillar (63), the guide sleeve (61) is a fixing part provided with a through hole, the guide pillar (63) is a telescopic part with a limiting flange (631) at one end, the telescopic spring (62) is positioned on the guide pillar (63) between the limiting flange (631) and the guide sleeve (61), and the lifting steel wire (2) is fixedly connected with the guide pillar (63) so that the guide pillar (63) forms a telescopic component under the pulling action of the lifting steel wire (2) and the return action of the telescopic spring (62).
6. The touch deterrent safety lift device of claim 5, wherein: the pulling telescopic mechanism (6) further comprises a rotary plane bearing, and the rotary plane bearing is located between the guide sleeve (61) and the guide pillar (63).
7. The touch deterrent safety lift device of claim 5, wherein: the inductive switch (7) is a microswitch, and a starting element (71) of the microswitch is positioned at a telescopic position for pulling the telescopic mechanism (6).
8. The touch deterrent safety lift device of claim 5, wherein: the wire carrying wheel (5) is horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022698642.7U CN214456143U (en) | 2020-11-19 | 2020-11-19 | Touch-preventing safety lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022698642.7U CN214456143U (en) | 2020-11-19 | 2020-11-19 | Touch-preventing safety lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214456143U true CN214456143U (en) | 2021-10-22 |
Family
ID=78183244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022698642.7U Active CN214456143U (en) | 2020-11-19 | 2020-11-19 | Touch-preventing safety lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214456143U (en) |
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2020
- 2020-11-19 CN CN202022698642.7U patent/CN214456143U/en active Active
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