CN215213316U - Window hanging passage ladder - Google Patents

Abstract

The utility model discloses a window hanging channel ladder, which comprises two hanging mechanisms, an indoor fixed bracket, a straight ladder and two folding pedal mechanisms; the hanging mechanism comprises an insertion rod, a support rod and a non-return assembly, one end of the insertion rod is inserted into the support rod in a sliding mode, the support rod penetrates through the window and is abutted against the windowsill, and the non-return assembly prevents the insertion rod from sliding in the support rod; the indoor fixing bracket prevents the whole window hanging channel ladder from inclining; the vertical ladder comprises two ladder beams and steps, the ladder beams are fixedly connected with the supporting rods, and a plurality of steps are arranged between the two ladder beams; folding footboard mechanism includes footboard body and folding assembly, and footboard body one end is articulated with the bottom of the side of terraced roof beam, and folding assembly makes the footboard body and the side laminating of terraced roof beam and expand along the bottom of the side of terraced roof beam. The window-hanging passage ladder can directly reach the mounting platform, the moving process is safe, the operation time is reduced, and the efficiency is improved; the folding pedal mechanism can fold the pedal body, and is convenient to transport and use.

Description

Window hanging passage ladder

Technical Field

The utility model relates to an outdoor operations equipment technical field, concretely relates to hang window passageway ladder.

Background

The outer machine of air conditioner is installed outdoors, general floor is all higher, so the installation, the debugging, the maintenance of the outer machine of air conditioner are the high-risk trade always, and because the position design of the mounting platform of the outer machine of the air conditioner of some floors is unreasonable, on the mounting platform is hardly arrived to the master of the operation, at present general current situation all is that the master of the operation goes up the safety belt and directly crosses the window and go to the operation on the mounting platform, the process of turning over from the window to the mounting platform is very dangerous, there is the hidden danger of falling, and if the master of the operation is hung in midair outside the window by the safety belt and does not have the impetus, it is very difficult to climb on the mounting platform.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a hang window passageway ladder to solve present operation master who proposes in the above-mentioned background art and directly cross the operation on the window removes mounting platform at the outer machine to the air conditioner when installation, debugging, maintenance, have the hidden danger that falls, and if the operation master is suspended in midair outside the window by the safety belt and does not have the impetus, very difficult problem of climbing on the mounting platform.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a window hanging passage ladder is characterized by comprising two hanging mechanisms, an indoor fixed support, a straight ladder and two folding pedal mechanisms;

the hanging mechanism comprises an insertion rod, a support rod and a non-return assembly, the insertion rod is L-shaped, one end of the insertion rod is inserted into the support rod in a sliding mode, the other end of the insertion rod is abutted to the inner wall of the window, the support rod penetrates through the window and is abutted to the windowsill, and the non-return assembly is arranged on the insertion rod and prevents the insertion rod from sliding in the support rod;

the indoor fixing support is fixedly connected with the inserted rod and is abutted against the indoor ground so as to prevent the whole window hanging channel ladder from inclining;

the vertical ladder comprises two ladder beams and a plurality of steps, the two ladder beams are respectively and fixedly connected with the support rods of the two hanging mechanisms, each ladder beam is abutted against the outer wall at the window, and the plurality of steps are arranged between the two ladder beams;

the folding pedal comprises a pedal body and a folding assembly, one end of the pedal body is hinged to the bottom of the side face of one ladder beam in the straight ladder, the two ends of the folding assembly are hinged to the pedal body and the other ladder beam in the straight ladder respectively, the folding assembly is folded to enable the pedal body to be attached to the side face of the ladder beam, and the folding assembly is unfolded to enable the pedal body to be unfolded along the bottom of the side face of the ladder beam.

The vertical ladder and the inserted bar form clamping to the wall below the window, the wall below the window is clamped through sliding between the inserted bar and the supporting bar, the whole window hanging channel ladder is prevented from inclining through the indoor fixing support, an operator can directly reach the mounting platform through the vertical ladder and the folding pedal mechanism, the moving process is safe, the operation time is reduced, and the efficiency is improved; the folding pedal mechanism can fold the pedal body, and is convenient to transport and use.

Furthermore, the non-return assembly comprises a pawl, a first elastic element and a stud, a ratchet is arranged in the support rod, one end of the pawl is hinged to the inserted rod, the other end of the pawl is meshed with the ratchet, two ends of the first elastic element are fixedly connected with the inserted rod and the pawl respectively, the stud is in threaded connection with the inserted rod, and the stud can be abutted to the pawl and pushes the pawl to be separated from the ratchet. The pawl is meshed with the ratchet to allow the inserted bar to move towards the direction close to the supporting rod but not to move in the opposite direction, and the pawl is meshed with the ratchet to ensure that the inserted bar keeps a stable position relation in the supporting rod, so that the hanging mechanism clamps the wall and prevents the wall from being separated, thereby bringing potential safety hazards; the first elastic element pushes the pawl to be always meshed with the ratchet; the stud is used for pushing the pawl to be separated from the ratchet, so that the position of the adjustable inserted rod in the supporting rod is adjusted.

Furthermore, the indoor fixing support comprises a horizontal fixing rod and two vertical fixing rods, the horizontal fixing rod is fixedly connected with the inserted rod, the two vertical fixing rods are respectively and fixedly connected with two ends of the horizontal fixing rod, the vertical fixing rods are abutted to the indoor ground, the two vertical fixing rods are symmetrical to the two opposite ladder beams of the vertical ladder, and the sum of the width of the unfolded pedal body and the width of the vertical ladder is smaller than the distance between the two vertical fixing rods. Horizontal dead lever has strengthened the centre gripping of articulating the mechanism to the wall body, and two vertical dead levers guarantee that the operation master does not incline after stepping on the footboard body, should hang window passageway ladder, have improved the security.

Further, horizontal fixing pole includes horizontal support rod, first extension rod, second extension rod and two fastening screw, horizontal support rod with inserted bar fixed connection, first extension rod passes through a terminal surface of horizontal support rod slides and inserts and locate in the horizontal support rod, the second extension rod passes through another terminal surface of horizontal support rod slides and inserts and locate in the horizontal support rod, fastening screw follows horizontal support rod radial with horizontal support rod threaded connection, and first fastening screw's tail end with first extension rod butt, the second fastening screw's tail end with the butt of second extension rod. The horizontal fixing rod is adjustable in length, and is conveniently applicable to different environments.

Further, the vertical fixing rod comprises a vertical rod, an adjusting screw rod and a nut, the vertical rod is fixedly connected with the first extending rod or the second extending rod, the bottom end of the vertical rod is connected with the adjusting screw rod along an axial thread, one end face of the adjusting screw rod is abutted to the indoor ground, the nut is sleeved on the adjusting screw rod in a threaded manner, and one end face of the nut is abutted to the end face of the vertical rod. The vertical fixing rod is adjustable in length, and is conveniently applicable to environments with windowsills different in height from the ground.

Further, the folding assembly comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to one end of the second connecting rod, the other end of the first connecting rod is hinged to the pedal body, and the other end of the second connecting rod is hinged to the ladder beam. The first connecting rod and the second connecting rod are hinged, so that the structure is safe, simple and reliable.

Furthermore, the bottom of ladder roof beam is equipped with two and consolidates the support, every consolidates the support with one ladder roof beam fixed connection, consolidate the support with also be equipped with one between the footboard body folding assembly. The reinforcing support is arranged, so that the structural strength of the straight ladder and the folding pedal mechanism is improved.

Further, the bottom end of the straight ladder is provided with a fixed pedal, the fixed pedal and the pedal body are located on the same plane, and the fixed pedal is arranged between the two reinforcing supports. The fixed pedal is arranged to enlarge the foot-falling area, which is beneficial to the action of an operator.

Furthermore, folding footboard mechanism still includes that the footboard accomodates fixed subassembly, the footboard accomodates fixed subassembly and includes fixed axle, swing arm and second elastic element, the fixed axle sets firmly in the side of ladder roof beam, the one end of swing arm with the fixed axle is articulated, second elastic element both ends respectively with swing arm and ladder roof beam fixed connection. The footboard is accomodate fixed subassembly and is kept footboard body and ladder roof beam laminating, conveniently transports and deposits.

Adopt above-mentioned technical scheme, compare with prior art, the beneficial effects of the utility model are that:

1. through hanging the wall below the tight window of mechanism clamp, prevent this string of window passageway ladder whole slope through indoor fixed bolster, on the operation master worker's accessible vertical ladder and folding footboard mechanism directly reachd the mounting platform, the process safety of marcing has reduced the activity duration, has improved efficiency.

2. The folding pedal mechanism can fold the pedal body, and the pedal storage fixing assembly keeps the pedal body attached to the ladder beam, so that the folding pedal mechanism is convenient to transport, store and use.

3. The length of the horizontal fixing rod of the indoor fixing support is adjustable, so that the indoor fixing support is convenient to adapt to different environments; the length of the vertical fixing rod is adjustable, and the fixing rod is conveniently suitable for environments with different windowsill heights from the ground.

4. The device is flexible and reliable, has strong applicability and wide application.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a left side view of the present invention;

fig. 4 is a structural view of the check assembly of the present invention;

fig. 5 is an enlarged view a of fig. 1.

Reference numerals:

the hitching mechanism 1, the inserted link 11, the support rod 12, the ratchet 121, the check assembly 13, the pawl 131, the first elastic element 132 and the stud 133;

the indoor fixing support 2, the horizontal fixing rod 21, the horizontal support rod 211, the first extension rod 212, the second extension rod 213, the fastening screw 214, the vertical fixing rod 22, the vertical rod 221, the adjusting screw 222 and the nut 223;

the vertical ladder 3, the ladder beam 31, the ladder step 32, the reinforcing bracket 33, the fixed pedal 34;

the foldable pedal mechanism 4, the pedal body 41, the foldable assembly 42, the first link 421, the second link 422, the pedal receiving and fixing assembly 43, the fixed shaft 431, the swing arm 432 and the second elastic element 433.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 and 2, the window hanging passageway ladder provided in this embodiment includes two hanging mechanisms 1, an indoor fixing bracket 2, a vertical ladder 3 and two folding pedal mechanisms 4. In this embodiment, the folding pedal mechanisms 4 are disposed on both sides of the vertical ladder 3.

Referring to fig. 1, 2, 3 and 4, the hanging mechanism 1 includes an insertion rod 11, a support rod 12 and a non-return component 13, the insertion rod 11 is L-shaped, one end of the insertion rod 11 is slidably inserted into the support rod 12, the other end of the insertion rod 11 abuts against the inner wall at the window, the support rod 12 passes through the window and abuts against the windowsill, and the non-return component 13 is disposed on the insertion rod 11 to prevent the insertion rod 11 from sliding in the support rod 12. Specifically, the check assembly 13 includes a pawl 131, a first elastic element 132 and a stud 133, a ratchet 121 is disposed in the support rod 12, one end of the pawl 131 is hinged to the inserted link 11, the other end of the pawl 131 is engaged with the ratchet 121, two ends of the first elastic element 132 are respectively fixedly connected to the inserted link 11 and the pawl 131, the stud 133 is in threaded connection with the inserted link 11, the stud 133 can abut against the pawl 131, and the pawl 131 is pushed to be disengaged from the ratchet 121. The pawl 131 is meshed with the ratchet 121 to allow the inserted link 11 to move towards the direction close to the supporting rod 12 but not to move in the opposite direction, and the pawl 131 is meshed with the ratchet 121 to ensure that the inserted link 11 keeps a stable position relation in the supporting rod 12, so that the hanging mechanism 1 clamps the wall to prevent the wall from being separated, thereby bringing about potential safety hazard; the first elastic element 132 pushes the pawl 131 to be always engaged with the ratchet 121; the stud 133 is used to push the pawl 131 out of engagement with the ratchet 121, thereby adjusting the position of the plunger 11 within the support rod 12. In this embodiment, the first elastic element 132 is a coil spring. Two sets of hanging mechanisms 1 are arranged in parallel at intervals.

Referring to fig. 1, 2 and 3, the indoor fixing bracket 2 is fixedly connected to the insert rod 11, and the indoor fixing bracket 2 abuts against the indoor floor to prevent the window hanging passage ladder from being inclined as a whole. The indoor fixing support 2 comprises a horizontal fixing rod 21 and two vertical fixing rods 22, the horizontal fixing rod 21 is fixedly connected with the inserted rod 11, two ends of the two vertical fixing rods 22 are respectively fixedly connected with two ends of the horizontal fixing rod 21, the vertical fixing rods 22 are abutted to the indoor ground, and two ladder beams 31 of the vertical ladder 3 opposite to the two vertical fixing rods 22 are symmetrical. Specifically, the two insertion rods 11 of the two hitching mechanisms 1 are both fixedly connected with the horizontal fixing rod 21 through bolts. The horizontal fixing rod 21 enhances the clamping of the hanging mechanism 1 to the wall. The two vertical fixing rods 22 ensure that the window hanging passage ladder cannot incline, and the safety is improved.

In this embodiment, as shown in fig. 1 and fig. 2, the horizontal fixing rod 21 includes a horizontal supporting rod 211, a first extending rod 212, a second extending rod 213, and two fastening screws 214, the horizontal supporting rod 211 is fixedly connected to the inserting rod 11, the first extending rod 212 is slidably inserted into the horizontal supporting rod 211 through one end surface of the horizontal supporting rod 211, the second extending rod 213 is slidably inserted into the horizontal supporting rod 211 through the other end surface of the horizontal supporting rod 211, the fastening screws 214 are in threaded connection with the horizontal supporting rod 211 along the radial direction of the horizontal supporting rod 211, the tail end of the first fastening screw 214 abuts against the first extending rod 212, and the tail end of the second fastening screw 214 abuts against the second extending rod 213. Specifically, the two insertion rods 11 of the two hitching mechanisms 1 are fixedly connected with the horizontal supporting rod 211 through bolts. The horizontal fixing rod 21 is adjustable in length, and is convenient to adapt to different environments.

In this embodiment, as shown in fig. 1 and fig. 3, the vertical fixing rods 22 include a vertical rod 221, an adjusting screw 222 and a nut 223, the vertical rod 221 of one of the vertical fixing rods 22 is fixedly connected to the first extending rod 212, the vertical rod 221 of the other vertical fixing rod 22 is fixedly connected to the second extending rod 213, the bottom end of the vertical rod 221 is axially and threadedly connected to the adjusting screw 222, an end surface of the adjusting screw 222 abuts against the indoor ground, the nut 223 is threadedly sleeved on the adjusting screw 222, and an end surface of the nut 223 abuts against an end surface of the vertical rod 221. The vertical fixing rod 22 is adjustable in length and is conveniently suitable for environments with windowsills different in height from the ground.

In this embodiment, as shown in fig. 1, 2, and 3, the vertical ladder 3 includes two ladder beams 31 and a plurality of steps 32, the two ladder beams 31 are respectively and fixedly connected to the support rods 12 of the two hitching mechanisms 1, each ladder beam 31 abuts against the outer wall of the window, and the plurality of steps 32 are disposed between the two ladder beams 31; as shown in fig. 5, the foldable pedal mechanism 4 includes a pedal body 41 and a folding assembly 42, one end of the pedal body 41 is hinged to the bottom of the side surface of one of the ladder beams 31 in the vertical ladder 3, two ends of the folding assembly 42 are respectively hinged to the pedal body 41 and the ladder beam 31, the folding assembly 42 is folded to make the pedal body 41 fit to the side surface of the ladder beam 31, and the folding assembly 42 is unfolded to make the pedal body 41 unfold along the bottom of the side surface of the ladder beam 31. Specifically, the folding assembly 42 includes a first link 421 and a second link 422, one end of the first link 421 is hinged to one end of the second link 422, the other end of the first link 421 is hinged to the pedal body 41, and the other end of the second link 422 is hinged to the ladder beam 31. The first connecting rod 421 and the second connecting rod 422 are hinged, so that the structure is safe, simple and reliable. In this embodiment, the reinforcing bracket 33 is disposed at the bottom of the ladder beam 31, the reinforcing bracket 33 is fixedly connected to the ladder beam 31, and a folding assembly 42 is disposed between the reinforcing bracket 33 and the pedal body 41. The reinforcing bracket 33 is arranged, so that the structural strength of the vertical ladder 3 and the folding pedal mechanism 4 is improved. In addition, the sum of the width of the unfolded pedal body 41 and the width of the straight ladder 3 is smaller than the distance between the two vertical fixing rods 22. Two vertical dead levers 22 guarantee that the operation master does not incline after stepping on footboard body 41, this window hanging passageway ladder has improved the security.

Referring to fig. 5, of course, the foldable pedal mechanism 4 may further include a pedal receiving and fixing assembly 43, the pedal receiving and fixing assembly 43 includes a fixing shaft 431, a swing arm 432 and a second elastic element 433, the fixing shaft 431 is fixedly disposed on the side surface of the ladder beam 31, one end of the swing arm 432 is hinged to the fixing shaft 431, and two ends of the second elastic element 433 are fixedly connected to the swing arm 432 and the ladder beam 31, respectively. The footboard body 41 can be held in the clearance between swing arm 432 and the ladder beam 31, and second elastic element 433 keeps swing arm 432 to be in vertical decurrent state all the time, and the swing arm 432 can be pulled to the manual work, and fixed subassembly 43 is accomodate to the footboard keeps footboard body 41 and the laminating of ladder beam 31, conveniently transports and deposits. In this embodiment, the second elastic element 433 is a coil spring.

As a further optimized scheme, the bottom end of the vertical ladder 3 may further be provided with a fixed pedal 34, the fixed pedal 34 and the pedal body 41 are in the same plane, and the fixed pedal 34 is disposed between the two reinforcing brackets 33. The fixed pedal 34 is arranged to enlarge the foot-falling area, which is beneficial to the action of an operator.

Referring to fig. 1-5, the specific adjustment process of the window hanging passage ladder includes:

firstly, adjusting the position of an inserted bar 11 in a support bar 12 according to the width of a windowsill until the distance between a vertical bar of the inserted bar 11 and a vertical ladder 3 is larger than the width of the windowsill, then firstly, storing a pedal body 41, conveying a folding pedal mechanism 4 and the vertical ladder 3 out of the windowsill, and hanging the folding pedal mechanism 4 and the vertical ladder 3 on the windowsill; adjusting the inserted bar 11 to enable the vertical bar of the inserted bar 11 and the straight ladder 3 to clamp the wall body below the windowsill; then, the horizontal fixing rod 21 is adjusted to ensure that the length of the horizontal fixing rod 21 is greater than the sum of the width of the unfolded pedal body 41 on the two sides of the straight ladder 3 and the width of the straight ladder 3, and the fastening screw 214 is screwed down; then adjusting the adjusting screw 222 on the vertical fixing rod 22 to make the bottom end of the adjusting screw 222 abut against the indoor ground, and then screwing the nut 223; the swing arm 432 is then actuated to open the folding assembly 42 and thereby deploy the pedal body 41. After the actions are completed, the operator needs to fasten the safety belt and go down from the vertical ladder 3 to the fixed pedal 34 or the pedal body 41, so that the operator can smoothly and safely reach the mounting platform of the outdoor unit.

The window hanging channel ladder is characterized in that a wall below a window is clamped through the hanging mechanism 1, the indoor fixing support 2 prevents the window hanging channel ladder from integrally inclining, an operator can directly arrive at an installation platform through the straight ladder 3 and the folding pedal mechanism 4, the traveling process is safe, the operation time is reduced, and the efficiency is improved; the folding pedal mechanism 4 can fold the pedal body 41, and the pedal storage fixing component 43 keeps the pedal body 41 attached to the ladder beam 31, so that the transportation, storage and use are convenient; the length of the horizontal fixing rod 21 of the indoor fixing bracket 2 is adjustable, so that the indoor fixing bracket is convenient to adapt to different environments; the length of the vertical fixing rod 22 is adjustable, so that the vertical fixing rod is conveniently suitable for environments with windowsills with different heights from the ground; the structure is reliable, the device is flexible, the application is wide, and the device is worth popularizing and using other out-of-window operations with the same and similar purposes.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (9)

1. A window hanging passage ladder is characterized by comprising two hanging mechanisms, an indoor fixed support, a straight ladder and two folding pedal mechanisms;

the hanging mechanism comprises an insertion rod, a support rod and a non-return assembly, the insertion rod is L-shaped, one end of the insertion rod is inserted into the support rod in a sliding mode, the other end of the insertion rod is abutted to the inner wall of the window, the support rod penetrates through the window and is abutted to the windowsill, and the non-return assembly is arranged on the insertion rod and prevents the insertion rod from sliding in the support rod;

the indoor fixed bracket is fixedly connected with the inserted rod and is abutted against the indoor ground;

the vertical ladder comprises two ladder beams and a plurality of steps, the two ladder beams are respectively and fixedly connected with the support rods of the two hanging mechanisms, each ladder beam is abutted against the outer wall at the window, and the plurality of steps are arranged between the two ladder beams;

the folding pedal comprises a pedal body and a folding assembly, one end of the pedal body is hinged to the bottom of the side face of one ladder beam in the straight ladder, the two ends of the folding assembly are hinged to the pedal body and the other ladder beam in the straight ladder respectively, the folding assembly is folded to enable the pedal body to be attached to the side face of the ladder beam, and the folding assembly is unfolded to enable the pedal body to be unfolded along the bottom of the side face of the ladder beam.

2. The window hanging passage ladder of claim 1, wherein the check assembly comprises a pawl, a first elastic element and a stud, a ratchet is arranged in the support rod, one end of the pawl is hinged to the inserted rod, the other end of the pawl is meshed with the ratchet, two ends of the first elastic element are fixedly connected with the inserted rod and the pawl respectively, the stud is in threaded connection with the inserted rod, and the stud can abut against the pawl and push the pawl to be disengaged from the ratchet.

3. The window hanging passage ladder of claim 1, wherein the indoor fixing bracket comprises a horizontal fixing rod and two vertical fixing rods, the horizontal fixing rod is fixedly connected with the insertion rod, the two vertical fixing rods are respectively and fixedly connected with two ends of the horizontal fixing rod, the vertical fixing rods are abutted against the indoor ground, the two vertical fixing rods are symmetrical to the two ladder beams of the vertical ladder, and the sum of the width of the pedal body after being unfolded and the width of the vertical ladder is smaller than the distance between the two vertical fixing rods.

4. The window hanging passage ladder of claim 3, wherein the horizontal fixing rod comprises a horizontal support rod, a first extension rod, a second extension rod and two fastening screws, the horizontal support rod is fixedly connected with the insertion rod, the first extension rod is slidably inserted into the horizontal support rod through one end surface of the horizontal support rod, the second extension rod is slidably inserted into the horizontal support rod through the other end surface of the horizontal support rod, the fastening screws are in threaded connection with the horizontal support rod along the radial direction of the horizontal support rod, the tail end of the first fastening screw abuts against the first extension rod, and the tail end of the second fastening screw abuts against the second extension rod.

5. The window hanging passage ladder of claim 4, wherein the vertical fixing rod comprises a vertical rod, an adjusting screw and a nut, the vertical rod is fixedly connected with the first extension rod or the second extension rod, the bottom end of the vertical rod is connected with the adjusting screw along an axial thread, one end surface of the adjusting screw is abutted against the indoor ground, the nut is sleeved on the adjusting screw in a threaded manner, and one end surface of the nut is abutted against the end surface of the vertical rod.

6. A window-hanging access ladder as claimed in claim 1, wherein the folding assembly includes a first link and a second link, one end of the first link being hinged to one end of the second link, the other end of the first link being hinged to the step body, the other end of the second link being hinged to the ladder beam.

7. A window hanging passage ladder as claimed in claim 1, wherein two reinforcing brackets are provided at the bottom of the ladder beam, each reinforcing bracket being fixedly connected to one of the ladder beams, and one of the folding assemblies being provided between the reinforcing bracket and the step body.

8. The window hanging passage ladder of claim 7, wherein a fixed pedal is disposed at a bottom end of the vertical ladder, the fixed pedal and the pedal body are in a same plane, and the fixed pedal is disposed between the two reinforcing brackets.

9. The window hanging passage ladder of claim 1, wherein the folding pedal mechanism further comprises a pedal storage fixing assembly, the pedal storage fixing assembly comprises a fixing shaft, a swing arm and a second elastic element, the fixing shaft is fixedly arranged on the side surface of the ladder beam, one end of the swing arm is hinged with the fixing shaft, and two ends of the second elastic element are fixedly connected with the swing arm and the ladder beam respectively.

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