CN212296201U - Ladder stand - Google Patents
Ladder stand Download PDFInfo
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- CN212296201U CN212296201U CN202021597477.XU CN202021597477U CN212296201U CN 212296201 U CN212296201 U CN 212296201U CN 202021597477 U CN202021597477 U CN 202021597477U CN 212296201 U CN212296201 U CN 212296201U
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- electromagnetic lock
- slide rail
- limit switch
- electromagnetic
- cable
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Abstract
The application discloses cat ladder, including cat ladder body and the slide rail that extends along cat ladder body length direction, be equipped with slidable electromagnetic lock on the slide rail, electromagnetic lock includes electromagnetic element, is equipped with limit switch on the electromagnetic lock and is used for connecting climbing personnel's safety lock catch, and limit switch is connected and control electromagnetic lock power-on and power-off with the electromagnetic lock, and when electromagnetic lock power-on, electromagnetic element is fixed with the slide rail actuation. The application provides a cat ladder passes through electromagnetic lock and adsorbs fixed slide rail, avoids climbing personnel to fall owing to the accident.
Description
Technical Field
The application relates to the technical field of equipment of ascending a height, more specifically says, relates to a cat ladder.
Background
Present distributed photovoltaic power plant, when equipment maintenance, fortune dimension personnel ascend a height the operation through needs, and the instrument of use generally is outdoor angle steel cat ladder, and for increasing the security, the angle steel cat ladder can plus protect the cage. The inventor finds in practice that the current ladder can not prevent the climbing personnel from falling, so that the work of the operation and maintenance personnel is exposed to danger.
In summary, how to improve the safety of the climbing personnel in the operation process is a problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the purpose of this application is to provide a cat ladder, it adsorbs fixed slide rail through the electromagnetic lock, avoids climbing personnel to fall because of accident.
In order to achieve the above purpose, the present application provides the following technical solutions:
the utility model provides a ladder stand, includes the ladder stand body, still includes the edge the slide rail that ladder stand body length direction extends, be equipped with slidable electromagnetic lock on the slide rail, electromagnetic lock includes electromagnetic element, be equipped with limit switch on the electromagnetic lock and be used for connecting climbing personnel's safety lock catch, limit switch with electromagnetic lock connects and controls electromagnetic lock switches on and switches off, works as the electromagnetic lock switches on, electromagnetic element with the slide rail actuation is fixed.
Optionally, the limit switch comprises an elastic element for driving the limit switch to be in a normally closed state.
Optionally, the electromagnetic lock further comprises a pressing block detachably connected with the electromagnetic lock, and when the pressing block is installed on the electromagnetic lock, the pressing block abuts against the limit switch and enables the limit switch to be in a disconnected state.
Optionally, the bottom of the pressing block is provided with a notch, and the top of the electromagnetic lock is provided with a protrusion matched with the notch in an inserted manner.
Optionally, the notch extends from the bottom surface of the pressing block to the top surface of the pressing block, and a dragging lock catch for connecting a rope is arranged at the top of the protrusion.
Optionally, the slide rail is provided with a sliding groove, the sliding groove extends along the length direction of the slide rail, the top and/or the bottom of the sliding groove are sealed, the electromagnetic element is arranged inside the sliding groove, and the opening width of the sliding groove is smaller than the maximum width of the groove body of the sliding groove.
Optionally, the slide rail is equipped with the cable duct, the cable duct is followed the length direction of slide rail extends, limit switch is connected with the cable, the cable is located in the cable duct.
Optionally, the cable is a towline cable.
Optionally, the cable duct is located the middle part of slide rail, the both sides of cable duct are equipped with one respectively the spout.
Optionally, the electromagnetic lock still includes the slide, the slide includes intermediate lamella, left board and right board, the left side board with right board relative distribution and distribution are in the both sides of slide rail, the left side board is in the orientation be equipped with one on the lateral wall of right board the electromagnetic component, the right side board is in the orientation be equipped with one on the lateral wall of left board the electromagnetic component.
Through above-mentioned scheme, the beneficial effect of the cat ladder that this application provided lies in:
the application provides a cat ladder includes the cat ladder body, along the slide rail that cat ladder body length direction extends, with slide rail sliding fit's electromagnetic lock, limit switch and safety lock catch, limit switch is connected with the electromagnetic lock and controls the electromagnetic lock and switch on the outage.
Use the cat ladder that this application provided, climbing personnel will dress the safety belt of ascending a height on one's body and fix on the safety lock is detained, if climbing personnel need climb from top to bottom along the cat ladder body, can operate limit switch earlier, through limit switch control electromagnetic lock outage, then promote the electromagnetic lock and remove along the slide rail, then through limit switch control electromagnetic lock circular telegram, the electromagnetic element and the slide rail actuation of electromagnetic lock are fixed, climbing personnel climb climbing from top to bottom along the cat ladder body this moment again. Because the electromagnetic lock passes through electromagnetic element and adsorbs the slide rail this moment, the guarantee climbing personnel do not take place to fall when meeting accident, and then improved climbing personnel's security.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a ladder stand according to an embodiment of the present disclosure;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic structural diagram of a slide rail according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a slider mechanism according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of a briquette provided in an embodiment of the present application;
FIG. 6 is an electrical schematic diagram of a ladder according to an embodiment of the present disclosure;
FIG. 7 is an electrical wiring diagram of a ladder according to an embodiment of the present application;
the reference numbers in the figures are:
the ladder comprises a ladder body 1, a sliding rail 2, a sliding groove 201, a cable groove 202, an electromagnetic lock 3, an electromagnetic element 301, a sliding plate 302, a limit switch 4, a safety lock catch 5, a pressing block 6, a notch 61, a protrusion 7, a dragging lock catch 8, a cable 9, an upper sealing plate 10, a power supply device 11, a mains supply 1101 and a switching power supply 1102.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 7, the ladder provided by the present application may include a ladder body 1, a slide rail 2, a slider mechanism, a power supply device 11, and a cable 9.
The ladder body 1 can be used for people to climb upwards or downwards. Prior art is referred to cat ladder body 1's structure, if refer to traditional angle steel cat ladder, area and protect cage cat ladder, photovoltaic power plant cat ladder etc..
The slide rail 2 is fixed on the ladder stand body 1, and the slide rail 2 extends in the length direction of the ladder stand body 1. The slide rail 2 is matched with the slide block mechanism to provide a sliding track for the slide block mechanism. The slide rail 2 can be arranged in the middle of the ladder stand body 1. The slide rail 2 is made of ferromagnetic material, for example, a steel slide rail is used, so as to ensure that the slide rail 2 can be attracted by the electromagnetic element 301 of the electromagnetic lock 3 after the electromagnetic lock 3 is powered on.
The sliding block mechanism is arranged on the sliding rail 2 and can integrally slide along the sliding rail 2. The slide block mechanism comprises an electromagnetic lock 3, a limit switch 4 and a safety lock catch 5.
The electromagnetic lock 3 has the electromagnetic element 301, and after the electromagnetic lock 3 is electrified, the electromagnetic element 301 can generate a large suction force, such as 500KG, to be fixed with the slide rail 2 in an attracting manner, and the working principle of the electromagnetic lock 3 can refer to the prior art.
The electromagnetic lock 3 needs to be powered on when in work. In practical applications, there are many options for the energizing manner of the electromagnetic lock 3, for example, the ladder may be provided with a power supply device 11, and the voltage provided by the power supply device 11 needs to meet the power consumption requirement of the electromagnetic lock 3, in a specific embodiment, please refer to fig. 6 and 7, in which L is a live wire, N is a zero wire, V is a negative electrode, V is a positive electrode, COM is a common point, NO is normally open, NC is normally closed, the power supply device 11 includes a commercial power supply 1101 and a switching power supply 1102, the commercial power supply 1101 provides 220V ac power, and the switching power supply 1102 converts the 220V ac power into 12V dc power for the limit switch 4. For example, if the ladder attachment has a power supply interface, the power supply can be directly supplied through the existing power supply interface nearby, and in this case, the ladder may not be provided with the power supply device 11 alone. For another example, the slider mechanism may also be equipped with a mobile power supply, which may be mounted on the electromagnetic lock, and at this time, the cable 9 connecting the mobile power supply and the limit switch 4 does not need to be too long.
The limit switch 4 is arranged on the electromagnetic lock 3, in the aspect of electrical connection, the limit switch 4 is arranged between the electromagnetic lock 3 and the power supply device 11, and the power-on and power-off state of the electromagnetic lock 3 is controlled by the limit switch 4.
Optionally, in an embodiment, the limit switch 4 comprises an elastic member, which may be embodied as a spring plate, and the elastic member limit switch 4 causes the limit switch 4 to be in a closed state. Specifically, the limit switch 4 is a normally closed switch, when the climber does not operate the limit switch 4, the limit switch 4 is always closed, and the electromagnetic lock 3 is kept in a power-on state; when the climber operates the limit switch 4, the limit switch 4 is cut off, so that the electromagnetic lock 3 is powered off. When using, when climbing personnel prepare to climb up, move limit switch 4 of normal close earlier, overcome the elasticity of elastic component, make limit switch 4 be in the off-state, then push up one section distance with slider mechanism, then loosen limit switch 4, 3 passageways of electromagnetic lock this moment firmly adsorb on slide rail 2, then climbing personnel climb up. At this moment, owing to the climbing personnel relieve behind the slider mechanism, limit switch 4 is automatic closed under the effect of elastic component, facilitates the use more.
Optionally, in an embodiment, consider that limit switch 4 adopts normally closed switch, and when being provided with the elastic component, if do not receive external force then limit switch 4 is in the closed state all the time, consequently, for the convenience of climbing personnel with limit switch 4 switch to the off-state, in this embodiment, the cat ladder still includes briquetting 6, briquetting 6 and 3 detachable connections of electromagnetic lock, install on electromagnetic lock 3 when briquetting 6, briquetting 6 offsets with limit switch 4 to make limit switch 4 be in the off-state. Specifically, when using, when climbing personnel climbed to the roof, install briquetting 6 on slider mechanism for limit switch 4 is in the off-state, and 3 outage of electromagnetic lock are out of work this moment, and briquetting 6 replaces climbing personnel to cut off limit switch 4, can also increase the weight of slider mechanism simultaneously, and the slider can descend to the bottom of cat ladder body 1 by oneself. It will be appreciated that the pressure block 6 may be omitted if the limit switch 4 does not adopt a normally closed switch, which may itself remain open.
Optionally, in an embodiment, a notch 61 is formed in the bottom of the pressing block 6, correspondingly, a protrusion 7 which is in insertion fit with the notch 61 is formed in the top of the electromagnetic lock 3, and the pressing block 6 is more convenient to disassemble and assemble through the matching mode of the protrusion 7 and the notch 61. It is understood that in other embodiments, the pressing block 6 and the electromagnetic lock 3 may be assembled by a snap connection, a bolt connection, or other mechanical structures.
Optionally, in one embodiment, notch 61 extends from the bottom surface of mass 6 to the top surface of mass 6, and the top of protrusion 7 is provided with a pull catch 8 for attaching a cord. The pull rope can penetrate into the dragging lock catch 8, so that a climber can conveniently pull the sliding block mechanism upwards.
Optionally, in an embodiment, the sliding rail 2 is provided with a sliding groove 201, the sliding groove 201 extends along a length direction of the sliding rail 2, a top and/or a bottom of the sliding groove 201 are closed, the top of the sliding groove 201 may be closed by the upper sealing plate 10, and the bottom of the sliding groove 201 may be closed by the lower sealing plate. In addition, the electromagnetic element 301 is arranged inside the sliding chute 201, and the opening width of the sliding chute 201 is smaller than the maximum width of the chute body of the sliding chute 201. Specifically, the opening of spout 201 is less, and electromagnetic element 301's shape and the shape fit of spout 201, and electromagnetic element 301's specific shape does not have the restriction, and it can adopt the slider body of cylindric structure or cube or trapezoidal block structure, and the slider body can adopt the round steel, and the slider body surface sets up the electromagnetism and inhales the piece. With the structure that the opening width of the sliding chute 201 is smaller than the internal width, on one hand, the opening of the sliding chute 201 limits the electromagnetic element 301 inside the sliding chute 201, and on the other hand, the electromagnetic element 301 is also prevented from being exposed in the external environment. The shrouding and the less spout 201 of opening can prevent that sleet infiltration spout 201 from causing freezing, influence electromagnetic element 301 frictional force.
Alternatively, in an embodiment, considering that the slider mechanism needs to be electrically slid up and down, so that the cable 9 can be slid up and down, and the cable 9 is exposed outside and there is a winding risk, in this embodiment, the sliding rail 2 is provided with a cable groove 202, the cable groove 202 extends along the length direction of the sliding rail 2, and the cable 9 connecting the power supply device 11 and the limit switch 4 is provided in the cable groove 202.
Optionally, when the sliding rail 2 is provided with the cable groove 202 and the sliding groove 201, the end of the sliding rail 2 may be integrally closed by using the upper sealing plate 10 and/or the lower sealing plate, so as to prevent the sliding block mechanism from derailing.
Optionally, in one embodiment, the cable 9 is a towline cable. Specifically, the drag chain cable is adopted to prevent the cable 9 from knotting in the cable groove 202, and also prevent the cable 9 from twisting and breaking, and a fixing point is arranged at the middle position of the sliding rail 2 to fix the drag chain cable.
Optionally, in an embodiment, the cable groove 202 is disposed in the middle of the sliding rail 2, and two sliding grooves 201 are respectively disposed on two sides of the cable groove 202. For example, the cable chute 202 may open toward the front, facing the climber during use, and the two chutes 201 may open toward the left and right.
Optionally, in an embodiment, the electromagnetic lock 3 further includes a sliding plate 302, the sliding plate 302 may be made of a steel material, the sliding plate 302 includes a middle plate, a left plate and a right plate, the left plate and the right plate are oppositely distributed and distributed on two sides of the sliding rail 2, the left plate is provided with an electromagnetic element 301 on a side wall facing the right plate, and the right plate is provided with an electromagnetic element 301 on a side wall facing the left plate.
The ladder stand with the structure is used as follows:
before climbing, a climbing person connects the safety lock catch 5 on the sliding block mechanism with the chest buckle of the worn climbing safety belt through a lock catch rope.
When the climbing personnel are ready to climb, the limit switch 4 is moved firstly, so that the limit switch 4 is in a disconnected state, and then the slide block mechanism is pushed upwards along the slide rail 2. The limit switch 4 is loosened after the sliding block mechanism is pushed up for a certain distance, at the moment, the electromagnetic lock 3 is in a path and firmly adsorbed on the sliding rail 2, and then the climbing personnel climb up.
When climbing personnel climbed to the roof, can install briquetting 6 on slider mechanism, make limit switch 4 be in off-state, then slider mechanism slowly falls to the bottom of cat ladder body 1, then the second climbing personnel can continue to use.
When going down the roof, when first climbing personnel climbed to ground, ground climbing personnel can drag the rope connection slider mechanism upper portion of roofing personnel whereabouts and draw safe hasp 5, and roofing personnel accessible is dragged and is pulled the whole roof that is drawn to slider mechanism.
Can see by above-mentioned embodiment, the beneficial effect of the cat ladder that this application provided lies in:
the application provides a cat ladder installs slide rail 2 and slider mechanism on cat ladder body 1, through 3 break-make of limit switch 4 control electromagnetic lock, when climbing personnel happened accident and fall, because climbing personnel are connected with electromagnetic lock 3 through the safety belt of ascending a height, 3 adsorbs to be fixed on slide rail 2 simultaneously, consequently can ensure that climbing personnel do not take place to fall, guarantee climbing personnel's safety.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The ladder that this application provided has been introduced in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (10)
1. The utility model provides a ladder stand, includes cat ladder body (1), its characterized in that still includes the edge slide rail (2) that cat ladder body (1) length direction extends, be equipped with slidable electromagnetic lock (3) on slide rail (2), electromagnetic lock (3) include electromagnetic component (301), be equipped with limit switch (4) on electromagnetic lock (3) and be used for connecting climbing personnel's safety lock catch (5), limit switch (4) with electromagnetic lock (3) are connected and are controlled electromagnetic lock (3) break-make electricity works as electromagnetic lock (3) circular telegram, electromagnetic component (301) with slide rail (2) actuation is fixed.
2. A ladder according to claim 1, characterized in that the limit switch (4) comprises a spring for keeping the limit switch (4) in a closed state.
3. The ladder stand according to claim 2, characterized by further comprising a pressing block (6) detachably connected with the electromagnetic lock (3), wherein when the pressing block (6) is installed on the electromagnetic lock (3), the pressing block (6) abuts against the limit switch (4) and enables the limit switch (4) to be in an off state.
4. A ladder stand according to claim 3, characterized in that the bottom of the press block (6) is provided with a notch (61), and the top of the electromagnetic lock (3) is provided with a protrusion (7) which is in plug-in fit with the notch (61).
5. A ladder according to claim 4, characterised in that the gap (61) extends from the underside of the weight (6) to the top side of the weight (6), and that the top of the projection (7) is provided with a towing catch (8) for a connecting rope.
6. A ladder stand according to any one of claims 1-5, characterised in that the slide rail (2) is provided with a slide groove (201), the slide groove (201) extending in the length direction of the slide rail (2), the top and/or bottom of the slide groove (201) being closed, the electromagnetic element (301) being arranged inside the slide groove (201), the opening width of the slide groove (201) being smaller than the maximum width of the channel body of the slide groove (201).
7. A ladder according to claim 6, characterised in that the slide rail (2) is provided with a cable groove (202), the cable groove (202) extending in the length direction of the slide rail (2), and that a cable (9) is connected to the limit switch (4), the cable (9) being arranged in the cable groove (202).
8. A ladder according to claim 7, characterised in that the cable (9) is a towline cable.
9. A ladder as claimed in claim 7, characterised in that the cable trough (202) is arranged in the middle of the slide rail (2), and that the sliding grooves (201) are arranged on both sides of the cable trough (202).
10. A ladder according to claim 9, characterized in that the electromagnetic lock (3) further comprises a slide plate (302), the slide plate (302) comprising a middle plate, a left plate and a right plate, the left plate and the right plate being oppositely arranged and distributed on both sides of the slide rail (2), the left plate being provided with a said electromagnetic element (301) on the side wall facing the right plate, the right plate being provided with a said electromagnetic element (301) on the side wall facing the left plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021597477.XU CN212296201U (en) | 2020-08-04 | 2020-08-04 | Ladder stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021597477.XU CN212296201U (en) | 2020-08-04 | 2020-08-04 | Ladder stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212296201U true CN212296201U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021597477.XU Active CN212296201U (en) | 2020-08-04 | 2020-08-04 | Ladder stand |
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| CN (1) | CN212296201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734297A (en) * | 2020-08-04 | 2020-10-02 | 浙江正泰新能源开发有限公司 | Ladder stand |
-
2020
- 2020-08-04 CN CN202021597477.XU patent/CN212296201U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734297A (en) * | 2020-08-04 | 2020-10-02 | 浙江正泰新能源开发有限公司 | Ladder stand |
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