KR101168089B1 - Vertically movable worktable - Google Patents

Abstract

The present invention relates to an aerial platform for lifting and lifting work. The present invention includes an elevating frame which is lifted from an outer frame forming an appearance, an elevating means for elevating the elevating frame, a fixing means for fixing the elevating frame, and a power providing means for providing power to the elevating means. . According to the present invention, there is an advantage that can be lifted by using the power provided by itself and a small force of the user.

Description

Aerial Platform {VERTICALLY MOVABLE WORKTABLE}

The present invention relates to an aerial platform that can be easily lifted by using the force of the pulley and the elastic member.

In general, as is known, the aerial platform is an auxiliary apparatus used to continuously work in large-scale residential complexes such as apartments or tenement houses, indoor electric wire work such as multi-generational houses, and ceiling exterior work.

Conventional aerial platform is shown in Figure 1, by attaching a plurality of vertical bar (2) and the horizontal bar (4) which is a pipe made of metal material in a uniform shape by welding and bolt the main body of the work bench (1) (1-1) is formed.

Ladders 3 are provided on both sides of the main body 1-1 to move upward, and a lower caster 5 is provided at the lower part of the main body 1-1.

In addition, the working footrest 6 is seated on the upper part of the main body 1-1, and the edge portion of the working footrest 6 is connected and supported as a horizontal bar 4 and a connecting strap 6a corresponding to the upper side of the main body. It is a structure.

The vertical bar corresponding to the four points of the main body is hollow, and as shown in FIG. 2 according to the installation of the connection member 7, another aerial platform 1 which is the same as the aerial platform 1 is provided. ) Can be used by extending in the height direction.

The aerial platform extending in the height direction as described above can be used by extending the height of the lower portion of the vertical bar is inserted into the connecting member.

Typically, the number of aerial platforms that extend is extended from one to generation or used as a single layer.

However, the conventional aerial platform as described above had the following problems.

First, the worker was allowed to climb to the upper working platform through the ladders formed on both sides of the main body, but it was inconvenient because it had to go as a step of stepping on the ladder from the side of the main body. There was a problem of being exposed unprotected.

In addition, since it must move to the upper portion through the ladder as described above, there was a disadvantage that the worker can not go up with things such as work tools and materials used to work directly.

In addition, in the aerial platform as described above, when the worker works on the work platform in the upper layer, the edge of the upper layer is not provided with a separate guard rail due to the characteristic of extension installation of the aerial platform. There is a problem that work tools, materials, etc. can fall, thereby causing a problem for the worker as well as another worker passing near the aerial platform.

The present invention has been proposed to solve the above problems, and an object of the present invention is to provide an aerial platform that can be elevated by using the power provided by itself and the user's power.

Another object of the present invention is to provide a aerial work platform having a structure that can respond to safety accidents by releasing the fixing means by the user's foot and the lifting operation by the user's hand.

Still another object of the present invention is to provide an aerial platform, which can be conveniently moved and the lift is automatically fixed when the elevator is lifted to make the lift operation stable.

Still another object of the present invention is to provide an aerial platform capable of elevating in a state where the horizontal state is maintained by the guide means.

Still another object of the present invention is to provide an aerial platform that can prevent the safety accidents of the occupant to reduce the impact of the falling.

Another object of the present invention to provide an aerial platform that can be provided by selectively adjusting the power according to the number of occupants.

Proposed to achieve the above object, the present invention provides an elevating frame which is lifted from the outer frame forming the appearance, the elevating means for elevating the elevating frame, the fixing means for fixing the elevating frame, and the elevating means Further comprising a power providing means for providing power and the frame support means for supporting the exterior frame when the lifting frame is elevated, the frame support means is slidably coupled inside the guide housing provided horizontally to the exterior frame A support member, an elastic member connected to one end of the guide housing and one end of the support member, and a protruding jaw formed at one end of the support member such that the support member slides in the guide housing and is moved into the exterior frame. To push, characterized in that it comprises an inclined member provided on the lower portion of the lifting frame It shall be.

And moving means for moving the outer frame and fixing the outer frame when the elevating frame moves up and down, wherein the moving means comprises a plurality of moving wheels provided at one side and the other side of the outer frame, and at least one of the moving wheels. It characterized in that it comprises a wheel spring for elastically supporting at least one moving wheel, and a fixed member fixed to the ground when the wheel spring is compressed.

delete

Further comprising a roll over prevention means for preventing overturning of the facade frame, wherein the roll over prevention means is formed at the end of the connection rope is provided in the facade frame is spaced apart from the distance between the connection member and the exterior frame connected to the outside Characterized in that it comprises a spacer to make.

The guide frame further comprises a guide means for guiding the lift so that the lifting frame is not separated from the facade frame, the guide means includes a guide member provided in the lifting frame to be guided to the guide rail formed perpendicular to the facade frame It is characterized by.

The elevating means is a guide member which is installed at both ends of the upper and lower portions of the exterior frame, the lever box is coupled to the elevating along the guide member and installed on the elevating frame, the lever box so that the lever box is elevated in the guide member And a lever for operating the box.

The fixing means includes a fixing member having both ends respectively installed on the upper and lower portions of the exterior frame, pressurizing and releasing the outside of the fixing member, a pressing unit installed on the lifting frame, and an operating unit operating the pressing unit. Characterized in that.

The lower portion of the fixing member is characterized in that the rope elastic portion for reducing the impact of the pressing portion is provided.

The pressing part covers an outer side of the fixing member and includes a pressing hinge installed at one side of the pressing case in which one side is opened, and an elastic member which presses the pressing member rotated by the pressing hinge to press the fixing member. It features.

The operation unit is connected to one end of the operating rope, the other end of the operating rope is connected to one end of the pressing portion to release the pressing operation of the pressing portion, the rotating member is installed to rotate on the lifting frame, and rotating the rotating member It characterized in that it comprises a pedal.

It is characterized in that it further comprises a safety means for fixing and releasing the lifting frame to the exterior frame is coupled and separated in the male and female form by the operation of the fixing means.

It characterized in that it further comprises an overload preventing means for restraining the operation of the fixing means when the weight of the lifting frame exceeds.

The overload preventing means includes a lifting bracket provided on the lifting frame so as to be slidable to a fixed bracket fixed to the lifting means, a tension spring having both ends connected to the fixed bracket and the lifting bracket, and one end connected to the fixed bracket. And the other end is characterized in that it comprises a preventing projection protruding to one side of the prevention shaft extending to the fixing means and a fixing protrusion provided on the fixing means to correspond to the preventing projection.

The power supply means is a power supply member is provided in the lower portion of the exterior frame, the power rope is interposed in the pulley provided on the upper portion of the exterior frame is connected to the power supply member, the other end is connected to the lifting frame It is characterized by including.

The power providing means further comprises a power control unit for adjusting the power of the power providing member.

The power control unit is characterized in that the turnbuckle.

The power control unit is provided with a control member is formed in the hole is inserted into the control pin is connected to the lower end of the power supply member, the base coupled by the adjustment hinge in the lower portion of the adjustment member, and the adjustment member fixed to the base in the form of male and female It characterized in that it comprises a fixing portion.

The long hole is characterized in that it further comprises a plurality of fixing holes are formed spaced at a predetermined interval.

According to the present invention, there is an advantage that can be lifted by using the power provided by itself and a small force of the user.

The present invention has the advantage that can respond to safety accidents by releasing the fixing means by the user's foot and the lifting operation by the user's hand.

The present invention has the advantage that it can be moved conveniently and the lifting is automatically fixed when the lifting is made stable.

The present invention has the advantage of being able to move up and down in a state where the horizontal state is maintained by the guide means.

The present invention has the advantage that the impact of the falling can be alleviated to prevent the safety accident of the occupant.

The present invention has the advantage that can be provided by selectively adjusting the power according to the number of occupants.

1 is a perspective view of a conventional aerial platform.
Figure 2 is a side view showing a state of use of FIG.
Figure 3 is a perspective view showing one embodiment of the present invention.
Figure 4 is a perspective view of the lifting frame of Figure 3;
5 is a perspective view showing the appearance frame of FIG.
6 is a view showing a moving means of the present invention.
7 is a view showing the operating state of FIG.
8 is a perspective view showing another embodiment of the present invention.
9 is a view showing a state before the operation of FIG.
10 is a view showing a state after the operation of FIG.
Figure 11 is a partial perspective view showing another embodiment of the present invention.
12 is a view showing a state before the operation of the lifting means of the present invention.
13 is a view showing a state after the operation of the lifting means of FIG.
14 is a view showing a lifting frame of the present invention.
15 is a view showing an operating state of the overload protection means applied to the present invention.
16 is a view showing a power supply of the present invention.
Figure 17 is a perspective view showing an embodiment of the power control unit applied to the present invention.
18 is a perspective view showing another embodiment of the power control unit applied to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 to 5, an embodiment of the present invention is an elevating frame 30 which is lifted from the outer frame 10 to form the appearance, and elevating means 50 for elevating the elevating frame 30 And, the fixing means 70 for fixing the lifting frame 30, and the power providing means 90 for providing power to the lifting means (50).

First, the exterior frame 10 is formed in a quadrangular shape of the ends of the plurality of exterior shafts 11 are connected to each other, a plurality of exterior shafts 11 are formed vertically on the outside of the square, a plurality of vertically formed The plurality of exterior shafts 11 are connected to the upper portion of the exterior shafts 11. And, the lifting frame 30 is composed of a plurality of lifting shafts 33 are installed to be connected to each other outside the bottom plate 31.

Therefore, when the user operates the elevating means 50 while releasing the fixing means 70 by the foot in the state in which the elevating frame 30 is elevated, the elevating frame 30 is easily driven by the force provided by the power providing means 90. The frame is lifted from the frame 10.

And, as shown, the exterior frame 10 preferably further comprises a guide means 40 for guiding the lift so that the lifting frame 30 is not separated from the exterior frame 10. The guide means 40 has a guide rail 41 is formed symmetrically on both sides of the outer frame 10, the guide member 43 is formed on both sides of the lifting frame 30 to be guided to the guide rail 41 It is composed.

Here, the guide member 43 is formed on the guide bracket (43a) formed on the lifting frame 30, the upper and lower portions of the guide bracket (43a), a plurality of guide rollers symmetrical on both sides of the guide rail 41 It is preferable that it is comprised by 43b.

On the other hand, the present invention is configured to further comprise a safety means 300 to be coupled and separated in the male and female form by the operation of the fixing means 70 to secure and release the lifting frame 30 to the exterior frame 10. It is preferable to be.

Here, the safety means 300 is composed of a hook 310 formed integrally with the rotating member 75b, and a ring member 330 formed at the lower portion of the exterior frame 10 to be hooked to the hook 310. Therefore, when the user presses the pedal 75c to rotate the rotating member 75b, the hook 76 is released from the ring member 330, and when the pedal 75c is reversed, the hook 310 is ring member 330. (See Fig. 12).

As shown in Figures 5 to 7, the present invention is preferably provided with a moving means 20 for moving the exterior frame 10 and fixing the exterior frame 10 when the lifting frame 30 is elevated. Do.

Here, the moving means 20 is a plurality of moving wheels 21 is installed on one side of the lower side of the exterior frame 10, the wheel spring 25 is installed on the other side of the lower side of the exterior frame 10, the wheel spring 25 The inner side of the inner) to the elastic spring shaft 25a is installed in the lower portion of the outer frame 10, the rotary wheel 23 is the end of the spring shaft 25a to be elastically supported on the wheel spring (25) It is installed on, while being spaced apart from the wheel spring 25, the fixing member 27 is installed on the lower portion of the outer frame 10 is configured.

Therefore, the outer frame 10 is moved to the workplace by the moving wheel 21 and the rotating wheel 23. At this time, when the user rides on the lifting frame 30 for the height operation, the wheel spring 25 is compressed by the user's load, so that the fixing member 27 is supported on the ground, so that the exterior frame 10 is fixed to the ground. do.

As shown in Figure 8 to 10, the present invention is preferably provided with a frame support means 60 for supporting the exterior frame 10 when the lifting frame 30 is elevated.

The frame support means 60 is provided with a guide housing 61 is horizontally installed in the lower portion of the outer frame 10, the support member 62 is slidably inserted into the guide housing 61, the guide housing An elastic member 63 is connected to one end of the support member 62 and one end of the support member 62, and protruding jaws 64 are formed on both sides of the support member 62, respectively, and protrude below the lifting frame 30. A plurality of inclined members 65 that can push the jaw 64 is installed.

Here, the elastic member 63 is preferably a tension spring. Protruding jaw 64 is preferably formed in a cylindrical shape so that the inclined surface corresponding to the inclined member 65 or the friction area with the inclined member 65 is minimized. At this time, the projection jaw 64 is more preferably implemented as a roller to reduce the friction force with the inclined member (65).

Therefore, when the lifting frame 30 is lowered, the inclined surface of the inclined member 65 formed under the lifting frame 30 pushes the protruding jaw 64. At this time, as the elastic member 63 is tensioned, the support member 62 which protrudes outward of the exterior frame 10 is slid into the guide housing 61 to be inserted into the exterior frame 10.

In addition, when the lifting frame 30 is raised, the inclined member 65 pushing the protruding jaw 64 also rises, so that the support member 62 is supported by the restoring force of the elastic member 63. It will protrude outward. At this time, when the user makes the end of the support member 62 in close contact with the ground, the exterior frame 10 is firmly supported on the ground.

As shown in FIG. 11, the present invention preferably further includes an overturn preventing means 80 for preventing overturning of the exterior frame 10.

Here, the rollover prevention means 80 is connected to the connection rope 81 on the outside of the exterior frame 10, the connection member 83 is installed at the end of the connection rope 81, the exterior of the frame 10 Spacer member 85 is provided on the outside is configured.

In addition, the connecting member 83 may be a clip or a magnet, and the spacer 85 may be a wheel. At this time, when the connecting member 83 is connected to a specific part of the outside to be worked, the exterior frame 10 is connected to a specific part of the outside and is fixed, and therefore, the external frame is not overturned even when an external resistance is generated.

In addition, since the exterior frame 10 is not collided with a specific portion of the outside during the operation by the spacer 85, the worker is working in a stable state.

As shown in Figure 12 and 13, the lifting means 50, both ends of the guide member 51 are respectively installed on the upper and lower portions of the exterior frame 10, the lever box is installed on the lifting frame 30 The 53 is coupled to move up and down along the guide member 51, and consists of a lever 55 for operating the lever box 53.

Here, the guide member 51 is implemented as a chain, the lever box 53 is preferably configured to include a gear-shaped bite member coupled to the chain. At this time, the lever 55 is installed in the lever box 53 to rotate the gear-shaped bite member.

Therefore, when the lever 55 is rotated in the state in which the fixing means 70 is released, the gear-shaped biting member is rotated, so that the lever box 53 is elevated along the guide member 51 so that the lifting frame 30 is elevated. Is lifted from the inside of the outer frame 10. In this case, when the lifting frame 30 is positioned at a desired position of the user, the lifting frame 30 may be fixed using the fixing means 70 that has been released.

In addition, the present invention preferably comprises a lever rotation preventing means 100 for preventing the rotation of the lever 55 in the state that the fixing means 70 is not released.

Here, the lever rotation preventing means (P) is connected to the other end of the prevention wire 110, one end is connected to the fixing means 70, the one end of the prevention member 120, the lifting shaft 33 Is installed to be rotated by the hinge 130 on one side of, the prevention spring 140 is connected to the other end of the prevention member 120 is installed on the other side of the lifting shaft (33).

Therefore, since the prevention wire 110 is pulled out when the fixing means 70 is released, the prevention member 120 is rotated on the hinge 130 to be in close contact with the lifting shaft 33 so that the lever 55 is prevented ( And rotate without interference. At this time, since the preventing member 120 is positioned to extend from the lifting shaft 33 in the state where the fixing means 70 is not released, the lever 55 is not interfered with the preventing member 120 and is not rotated.

12 to 14, the fixing means 70 is provided at both ends of the fixing member 71 on the upper and lower portions of the exterior frame 10, respectively, and pressurizes the outside of the fixing member 71. The pressing unit 73 for releasing is installed on the lifting frame 30, and the operating unit 75 is connected to the pressing unit 73 to operate the pressing unit 73.

Here, the lower portion of the fixing member 71 is provided with a rope elastic portion 71a for mitigating the impact of the pressing portion 73 is lowered. At this time, the fixing member 71 is a rope, the rope elastic portion (71a) is preferably a compression spring.

In addition, the pressing unit 73 covers the outer side of the fixing member 71 and is rotated by the pressing hinge 73b and the pressing hinge 73b installed at one side of the pressing case 73a in which one side is opened. The pressing member 73c is configured to include an elastic member 73d for applying pressure to press the fixing member 71. At this time, the elastic member (73d) is preferably a tension spring.

Here, the end of the pressing member 73c for pressing and pressing the outer side of the fixing member 71 by the elasticity of the elastic member 73d is preferably formed in a triangular shape.

In addition, one end of the operating rope 75a is connected to one side of the pressing unit 73 and the other end of the operating rope 75a to the rotating member 75b installed to rotate on the lifting frame 30. Is connected, the pedal 75c for rotating the rotating member 75b is configured to be connected to the rotating member (75b).

As described above, since the fixing member 70 is configured to have the fixing member 71 inserted into the pressing case 73a, the pressing member 73c is sided of the pressing case 73a due to the elasticity of the elastic member 73b. In pressing the outside of the fixing member (71).

At this time, when the user rotates the rotary member 75b by using the pedal 75c, the operation rope 75a is pulled, and the pressing member 73c is rotated to release the pressure of the fixing member 71.

Therefore, the user raises and lowers the elevating frame 30 using the elevating means 50 while the fixing means 70 is released.

In addition, the fixing means 70 is preferably formed symmetrically on the upper and lower portions of the bottom plate (31). Then, the lifting frame 30 is accurately fixed by the fixing means 70 without moving to the upper and lower.

On the other hand, it is preferable that the alarm means for notifying the release of the pressing of the fixing member 71 by using the pedal (75c). At this time, the alarm means (L) includes a battery (B) for supplying power by the switch (S) operated by the pedal (75c), and the alarm or lamp (L) operated by the power of the battery (B). It is configured by.

As shown in Figure 14 and 15, when the weight of the lifting frame 30 is configured to further include an overload preventing means 500 for restraining the operation of the fixing means 70.

The overload preventing means 500 is an elevating bracket 530 provided on the elevating frame 30 so as to be slidable to the fixing bracket 510 fixed to the elevating means 50, and the elevating bracket 510 and elevating. A tension spring 520 having both ends connected to the bracket 530, and one end of which is connected to the fixing bracket 510, and the other end of which is prevented from protruding to one side of the prevention shaft 550 extending to the fixing means 70. It comprises a projection 570 and a fixing projection 590 provided on the fixing means 70 to correspond to the preventing projection 570.

Therefore, since the lifting means 50 is suspended on the guide member 51 when a plurality of workers board the lifting frame 30 and the weight exceeds the limit, the fixing bracket 510 is supported by the tension spring 520. The lifting bracket 530 and the lifting frame 33 are lowered. Then, the prevention shaft 550 connected to the lifting bracket 530 is lowered so that the prevention protrusion 570 is in contact with the fixing protrusion 590 formed on one side of the rotating member 75b of the fixing means 70, thereby rotating the member ( 75b) is prevented from rotating.

As such, when the load of the occupant or the work tool is exceeded, the lifting frame 30 is prevented from being lifted and thus the safety accident is prevented.

As shown in FIG. 16, the power providing means 90 includes a power rope 95 having one end connected to an upper portion of the power providing member 91 provided on the outside of the exterior frame 10, and a power rope ( The other end of the 95 is connected to the lifting frame 30, and includes a pulley 93 having a power rope 95 interposed therebetween. Here, the power supply member 91 is preferably made in consideration of the weight of the maximum number of people to ride on the lifting frame 30 while being a tension spring.

At this time, the auxiliary pulley 96 is connected to the other end of the power rope 95, and one end of the auxiliary rope 97 is connected to the lifting frame 30 in a state where the auxiliary rope 97 is interposed in the auxiliary pulley 96. And the other end is preferably connected to the lower portion of the outer frame (10). Then, since the load of the lifting frame 30 is transmitted to the outer frame 10, the lifting frame 30 is easily lifted with a small force.

As shown in Figure 16 and 17, the power providing means 90 is preferably configured to further include a power control unit 98 for adjusting the power of the power providing member 91. Here, the power control unit 98 is preferably a turnbuckle. That is, the turnbuckle, which is the power control unit 98, has a turnbuckle body 981 in which female threads of different directions are formed at the top and bottom thereof, and male threads in different directions so as to be screwed to the top and bottom of the turnbuckle body 981, respectively. And a plurality of fastening members 985 for fastening the plurality of inserting members 983 to the lower ends of the power providing member 91 and the ends of the exterior shaft 11, respectively. .

Therefore, when the user rotates or reversely rotates the turnbuckle body 981 while holding the power supply member 91, the plurality of insertion members 983 are inserted into or withdrawn from the turnbuckle body 981. That is, since the plurality of insertion members 983 are tightened or released in accordance with the rotational direction of the turnbuckle body 981 using different left and right screws, respectively, the length of the power supply member 91 is adjusted.

16 and 18, the power control unit 98 is also formed with a plurality of base members (98b) on both sides of the base (98a) installed in the lower portion of the outer frame 10. The adjusting member 98d is installed to be rotated at the adjusting hinge 98c formed at the upper end of the base member 98b. At this time, the adjustment member (98d) is preferably one side open tubular shape so that the power supply member (91) is accommodated.

And, on both sides of the adjusting member 98d is formed a long hole (98e) of the same shape is inserted horizontally of the adjusting pin (98f) connected to the lower end of the power supply member (91). Accordingly, the control pins 98f are moved in a horizontal state along the plurality of long holes 98e. At this time, the adjusting pin 98f may be implemented as a bolt-shaped member and a nut-shaped member. Therefore, the adjusting pin 98f is coupled through the lower end of the power supply member 91 and the long hole 98e at the same time, and is not separated from the long hole 98e by the bolt-shaped head and the nut-shaped member.

Therefore, when the adjusting member 98d is rotated upward with respect to the adjusting hinge 98c, the adjusting pin 98f is moved upward, so that the tension of the tension spring that is the power providing member 91 becomes weak, and vice versa. When the adjusting member 98d is fixed by rotating the adjusting hinge 98c downwardly on the shaft, the adjusting pin 98f is moved downward to increase the tension of the tension spring, which is the power providing member 91. Therefore, it is desirable to selectively adjust the tension in consideration of the number (weight) of the occupants.

In addition, it is preferable that a plurality of fixing holes 98g are formed at regular intervals in the long hole 98e. At this time, the fixing hole (98g) is preferably formed to be inclined to one side. That is, in the state in which the adjustment member 98d is erected upward by rotating the adjustment hinge 98c, the adjustment pin 98f is released from the fixing hole 98g, and the adjustment member 98d adjusts the adjustment hinge 98c. In the vertically rotated state of the shaft, the adjusting pin 98f is not separated from the fixing hole 98g.

Therefore, the adjustment member 98d is fixed by rotating the adjusting member 98d downward in a state in which the adjusting pin 98f is inserted into any one of the plurality of fixing holes 98g. That is, by adjusting the pin 98f is selectively fitted in the fixing hole (98g), the tension of the tension spring that is the power providing member 91 is to be precisely adjusted.

In addition, it is preferable to form a fixing part 98h that is coupled to and separated from the adjusting member 98d and the base member 98b in a male and female form. That is, when the adjusting member 98d is rotated from the upper end of the base member 98b to the lower side by the adjusting hinge 98c, the adjusting member 98d and the base member 98b are fixed by the male and female fixing part 98h. Will be combined with each other. At this time, the fixing part (98h) is preferably implemented by a protrusion and a groove, or preferably by a hook and a hole.

As such, the present invention can be said to be a very useful invention that can be widely used during aerial work, since power is provided in the power providing unit pre-installed in the exterior frame, so that the user and the passenger or the work tool can be lifted with little force. .

In the above, the Example of this invention was described. It will be understood by those skilled in the art that the technical configuration of the present invention can be implemented in other specific forms without changing the technical spirit or essential features.

Therefore, the embodiments described above are to be understood in all respects as illustrative and not restrictive, the scope of the invention being indicated by the following claims rather than the foregoing description, and the meaning and scope of the claims and All changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

10: exterior frame
30: lifting frame
50: lifting means
70: fixing means
90: power supply means

Claims (18)

Lifting frame 30 to be lifted and lowered in the appearance frame 10 to form an appearance,
Elevating means 50 for elevating the elevating frame 30;
Fixing means 70 for fixing the lifting frame 30,
Power providing means for providing power to the elevating means (50) and
When the elevating the lifting frame 30 further includes a frame support means 60 for supporting the exterior frame 10,
The frame support means 60
A support member 62 slidingly coupled inside the guide housing 61 provided horizontally in the exterior frame 10;
An elastic member 63 connected to one end of the guide housing 61 and one end of the support member 62;
The lifting frame so that the support member 62 pushes the protruding jaw 64 formed at one end of the support member 62 so as to slide in the guide housing 61 and move inwardly of the exterior frame 10. Aerial platform, characterized in that it comprises a inclined member (65) provided in the lower portion (30).
The method of claim 1,
Moving means 20 further includes a moving means 20 for moving the exterior frame 10 and fixing the exterior frame 10 when the elevating frame 30 is elevated.
The moving means 20
A plurality of moving wheels 21 provided at one lower side and the other side of the outer frame 10;
Wheel springs 25 to elastically support at least one or more of the moving wheels 21 of the moving wheels 21,
Aerial platform, characterized in that it comprises a fixing member 27 is fixed to the ground when the wheel spring 25 is compressed.
delete The method of claim 1,
Further comprising a roll over prevention means for preventing the rollover of the outer frame 10,
The rollover prevention means 80
A connection member 83 formed at an end of the connection rope 81 provided in the exterior frame 10 and connected to the outside;
Aerial work platform, characterized in that it comprises a spacer member 85 for separating the exterior frame 10 and the distance from the outside.
The method of claim 1,
Further comprising a guide means 40 for guiding the lift so that the lifting frame 30 is not separated from the exterior frame 10,
The guide means 40 is
Aerial platform, characterized in that it comprises a guide member (43) provided on the elevating frame (30) to be guided to the guide rail (41) formed perpendicular to the exterior frame (10).
The method of claim 1,
The lifting means 50 is
Guide members 51 provided at both ends of the upper and lower portions of the outer frame 10, respectively;
A lever box 53 coupled to the lifting along the guide member 51 and installed on the lifting frame 30;
Aerial platform, characterized in that it comprises a lever (55) for operating the lever box (53) so that the lever box (53) is elevated in the guide member (51).
The method of claim 1,
The fixing means 70 is
Fixing members 71 which are respectively provided at the upper and lower ends of the outer frame 10,
Pressing and releasing the outside of the fixing member 71, the pressing unit 73 is installed on the lifting frame 30,
Aerial platform, characterized in that it comprises an operating unit (75) for operating the pressing unit (73).
The method of claim 7, wherein
Aerial work platform, characterized in that the lower portion of the fixing member 71 is provided with a rope elastic portion (71a) for mitigating the impact of the lowering the pressing portion (73).
The method of claim 7, wherein
The pressing unit 73 is
A pressure hinge 73b which covers an outer side of the fixing member 71 and is installed at one side of the pressure case 73a in which one side is opened;
Aerial platform, characterized in that the pressing member (73c) rotated by the pressing hinge (73b) comprises an elastic member (73d) for applying a pressure to press the fixing member (71).
The method of claim 7, wherein
The operation unit 75
An operating rope 75a having one end connected to one side of the pressing unit 73 to release the pressing operation of the pressing unit 73,
The other end of the operating rope (75a) is connected, the rotating member (75b) is installed to rotate on the lifting frame 30,
Aerial platform, characterized in that it comprises a pedal (75c) for rotating the rotating member (75b).
The method of claim 1,
Aerial platform, characterized in that it further comprises a safety means 300 for engaging and separating in the male and female form by the operation of the fixing means 70 to secure and release the lifting frame 30 to the exterior frame 10. .
The method of claim 1,
Aerial platform, characterized in that it further comprises an overload preventing means for restraining the operation of the fixing means (70) when the weight of the lifting frame (30).
The method of claim 12,
The overload prevention means 500
An elevating bracket 530 provided on the elevating frame 30 to be slidable to the fixed bracket 510 fixed to the elevating means 50;
A tension spring 520 having both ends connected to the fixed bracket 510 and the lifting bracket 530, respectively;
One end is connected to the fixing bracket 510 and the other end protruding projections 570 protruding to one side of the prevention shaft 550 extending to the fixing means 70 and
Aerial platform, characterized in that it comprises a fixing projection (590) provided on the fixing means (70) so as to correspond to the preventing projection (570).
The method of claim 1,
The power providing means 90 is
A power providing member 91 provided below the exterior frame 10;
Is interposed in the pulley 93 provided in the upper portion of the outer frame 10 is connected to the power providing member 91, the other end includes a power rope (95) connected to the lifting frame (30) Aerial platform.
15. The method of claim 14,
The power providing means 90 is
Aerial platform, characterized in that it further comprises a power control unit 98 for adjusting the power of the power providing member (91).
The method of claim 15,
The power control unit 98 is aerial platform, characterized in that the turnbuckle.
The method of claim 15,
The power control unit 98
An adjusting member 98d having a long hole 98e into which an adjusting pin 98f connected to the lower end of the power providing member 91 is inserted;
A base 98a coupled to the lower portion of the adjustment member 98d by an adjustment hinge 98c,
Aerial platform, characterized in that it comprises a fixing part (98h) for fixing the adjusting member (98d) to the base (98a) in the shape of male and female.
The method of claim 17,
The long hole (98e) is an aerial platform, characterized in that it further comprises a plurality of fixing holes (98g) formed to be spaced at a predetermined interval.

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