CN215160812U

CN215160812U - Crank arm type aerial work platform

Info

Publication number: CN215160812U
Application number: CN202121409115.8U
Authority: CN
Inventors: 向廷文; 汪琼良; 赵平
Original assignee: Chongqing Bolin Life Service Group Co ltd
Current assignee: Chongqing Bolin Life Service Group Co ltd
Priority date: 2021-06-19
Filing date: 2021-06-19
Publication date: 2021-12-14
Anticipated expiration: 2031-06-19

Abstract

The utility model belongs to the technical field of the clean technique of outer wall and specifically relates to a crank arm formula aerial working platform is related to, it is including the chassis of traveling, the both ends on chassis of traveling all are equipped with a set of wheel of traveling, be equipped with on the chassis of traveling and be used for lifting the supporting component who leaves ground with the wheel of traveling, supporting component includes the fixing base, supporting legs and flexible driving piece, the fixing base is established at the outer edge on the chassis of traveling, the supporting legs rotates the one end that sets up near ground at the fixed bolster, the output of flexible driving piece rotates the setting on the supporting legs, the base of flexible driving piece rotates the setting on the fixing base. The present application has the following effects: the crank arm type aerial work platform is moved to a proper position outside a building through the travelling wheels, then the output end of the telescopic driving piece is driven to extend, so that the supporting legs rotate along the direction close to the ground, the travelling chassis is gradually lifted up, the travelling wheels are far away from the ground, the travelling chassis is not easy to slide, and the safety of the travelling chassis on the ground is improved.

Description

Crank arm type aerial work platform

Technical Field

The application relates to the technical field of outer wall cleaning, in particular to a crank arm type aerial work platform.

Background

With the continuous development and progress of society, various residential buildings and commercial buildings are rising. For modern residential buildings and commercial buildings, measures such as outer wall coating with good self-cleaning property need to be taken into consideration at the beginning of design. However, after long-term use in residential and commercial buildings, the buildings still need to be cleaned manually to remove stubborn stains such as bird droppings from the exterior walls. The cleaning of the outer wall can be completed by means of a crank arm type aerial work platform.

The invention discloses a crank arm type aerial work platform with application number 201510511312.3, which comprises a running chassis, a driving device and a lifting device, wherein the lifting device comprises a lifting arm assembly and a working platform, the lifting arm assembly comprises a folding arm assembly, a telescopic arm assembly and a four-connecting-rod leveling arm assembly, and the working platform is also provided with a level sensor.

In view of the above-mentioned related technologies, the inventor believes that the stability of the running chassis on the ground affects the safety of the construction work, and if the running chassis is unstable, the running chassis is easy to slide or even overturn, so that a safety accident occurs during the high-altitude work.

SUMMERY OF THE UTILITY MODEL

In order to improve the safety of a running chassis on the ground, the application provides a crank arm type aerial work platform.

The application provides a crank arm formula aerial working platform adopts following technical scheme:

the utility model provides a crank arm formula aerial working platform, is including the chassis of traveling, the both ends on chassis of traveling all are equipped with a set of wheel of traveling, it is used for lifting the supporting component who goes the wheel off the ground to be equipped with on the chassis of traveling, supporting component establishes the both ends at the wheel of traveling, supporting component includes fixing base, supporting legs and flexible driving piece, the fixing base is established on the outer edge on chassis of traveling, the supporting legs rotates the one end that sets up near ground at the fixed bolster, the output of flexible driving piece rotates the setting on the supporting legs, and the base of flexible driving piece rotates the setting on the fixing base.

Through adopting above-mentioned technical scheme, remove crank arm formula aerial working platform to the suitable position outside the building through the wheel of traveling, then order about the extension of the output of flexible driving piece to make the supporting legs rotate along the direction that is close to ground, and will travel the chassis and lift up gradually, and make the wheel of traveling keep away from ground, so that the chassis of traveling is difficult for sliding, thereby improves the security that the chassis of traveling is subaerial.

Optionally, one end of the supporting leg, which is far away from the fixed seat, is provided with a ground gripping sucker.

By adopting the technical scheme, the ground grabbing sucker is used for increasing the friction force between the supporting leg and the ground, so that when the supporting leg lifts the running chassis, the supporting leg is more stable and is not easy to slip.

Optionally, one side of the ground gripping sucker, which is close to the ground, is provided with anti-slip saw teeth.

Through adopting above-mentioned technical scheme, anti-skidding sawtooth is used for increasing the frictional resistance between ground sucking disc and the ground to further improve the steadiness of supporting component.

Optionally, the ground grabbing sucker rotates and sets up on the supporting legs, one side that ground grabbing sucker kept away from ground is equipped with the sucking disc seat, one side that ground grabbing sucker was kept away from to the sucking disc seat is equipped with the scarf joint groove, the one end that the fixing base was kept away from to the supporting legs inlays and establishes in the scarf joint groove, the supporting legs passes through the locking subassembly and is connected with the lateral wall rotation in scarf joint groove.

By adopting the technical scheme, when the ground grabbing sucker is abutted to the ground, the ground grabbing sucker can be always abutted to the ground, so that the supporting legs can stably lift the running chassis.

Optionally, the locking subassembly includes locking screw and lock nut, the locking screw is worn to establish on the lateral wall of supporting legs and scarf joint groove, lock nut threaded connection is at the both ends of locking screw, the outside looks butt of lock nut and scarf joint groove lateral wall.

Through adopting above-mentioned technical scheme, through adjusting the tight degree of support of locking nut and scarf joint groove lateral wall, can adjust grabbing ground sucking disc's rotation to grabbing ground sucking disc when impaired, can also taking off the locking subassembly, convenient and fast ground is to grabbing ground sucking disc and changing.

Optionally, the fixing base is equipped with the holding tank along one side that the supporting legs direction of rotation is close to the supporting legs, the base of flexible driving piece and the tip of supporting legs all rotate and set up on the lateral wall of holding tank, the supporting legs is equipped with the groove of stepping down that is used for flexible driving piece to place along one side that the supporting legs direction of rotation is close to the fixing base, the output of flexible driving piece rotates and sets up on the lateral wall in the groove of stepping down, the supporting legs can rotate to the holding tank in.

Through adopting above-mentioned technical scheme for when flexible driving piece ordered about the supporting legs and rotated, can be so that flexible driving piece is accomodate to the holding tank of supporting legs in the groove of stepping down, and avoid accomodating the supporting legs to the holding tank of fixing base in and cause the interference.

Optionally, the supporting legs are of a structure with a large end at the middle and small ends at the two ends, and the accommodating groove is formed in the large end of the supporting legs.

By adopting the technical scheme, the bearing strength of the supporting legs is not easily affected by the arrangement of the abdicating groove.

Optionally, the fixing seat is set to be a structure with one end close to the ground being a large end and one end far away from the ground being a small end, and one end of the fixing seat close to the ground is fixedly connected with the running chassis.

By adopting the technical scheme, the stress concentration generated when the fixing seat bears is reduced, so that the fixing seat and the fixed connection of the running chassis are not easy to separate in the bearing process and after bearing, and the bearing capacity of the supporting component is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the crank arm type aerial work platform is moved to a proper position outside a building through the traveling wheels, then the output end of the telescopic driving piece is driven to extend, so that the supporting legs rotate along the direction close to the ground, the traveling chassis is gradually lifted, and the traveling wheels are far away from the ground, so that the traveling chassis is not easy to slide, and the safety of the traveling chassis on the ground is improved;

2. through setting up the sucking disc of grabbing ground, increased the frictional force between supporting legs and the ground to when making the supporting legs lift the chassis of traveling, the supporting legs is more firm, and difficult the skidding.

Drawings

FIG. 1 is a schematic structural diagram of an integral crank arm type aerial work platform according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a support assembly in an embodiment of the present application;

fig. 3 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a running chassis; 11. a running wheel; 2. a crank mechanism; 3. an operation platform; 4. a support assembly; 41. a fixed seat; 411. accommodating grooves; 42. supporting legs; 421. a yielding groove; 43. a telescopic driving member; 5. a ground gripping suction cup; 51. a sucker seat; 511. embedding grooves; 52. anti-skid sawteeth; 6. a locking assembly; 61. locking the screw rod; 62. and locking the nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses crank arm type aerial work platform. Referring to fig. 1, a crank arm aerial work platform comprises a travel chassis 1.

The traveling chassis 1 is used as a bearing foundation, so that the crank arm mechanism 2 on the traveling chassis 1 can convey the working platform 3 to a to-be-cleaned position of an outer wall, and a cleaner can clean the outer wall by standing on the working platform 3. The running chassis 1 is usually configured as a rectangular steel framework, and a set of running wheels 11 are rotatably arranged at both ends of the running chassis 1 so as to move the crank arm type aerial work platform to a proper position. Still be equipped with supporting component 4 on the chassis 1 of traveling, supporting component 4 is used for raising the chassis 1 of traveling to make the wheel 11 of traveling keep away from ground, thereby when making cleaning operation, chassis 1 of traveling is difficult for subaerial slip, the security when having improved cleaning operation.

Referring to fig. 1 and 2, support members 4 are provided at both ends of a traveling wheel 11, and in the present embodiment, the support members 4 are provided at four corners of a traveling chassis 1. The supporting assembly 4 comprises a fixing base 41, a supporting leg 42 and a telescopic driving member 43, wherein the fixing base 41 and the supporting leg 42 can be made of steel, so that the fixing base 41 and the supporting leg 42 have strong bearing strength.

Fixing base 41 sets up to be close to ground one end and be the structure of main aspects and keep away from ground one end for the tip, and in this embodiment, fixing base 41's sectional shape sets up to obtuse triangle, and fixing base 41 is greater than the acute angle that fixing base 41 kept away from ground one end near the acute angle of ground one end. One end of the fixed seat 41 close to the ground is welded and fixed with the outer edge of the running chassis 1, and one end of the fixed seat 41 far away from the ground is positioned on one side of the running chassis 1 far away from the ground.

The supporting leg 42 is rotatably disposed at one end of the fixing base 41 close to the ground, the supporting leg 42 is configured to have a structure with a large end at the middle and small ends at the two ends, in this embodiment, the supporting leg 42 is configured to be an isosceles obtuse triangle, and the end of the supporting leg 42 where an acute angle is located is rotatably connected to the fixing base 41.

The fixing base 41 is close to one side of the supporting leg 42 along the rotation direction of the supporting leg 42, that is, the side of the fixing base 41 opposite to the obtuse angle is provided with an accommodating groove 411, the accommodating groove 411 is a rectangular groove, and the opening of the accommodating groove 411 faces the supporting leg 42. The end of the supporting foot 42 is rotatably disposed on the sidewall of the accommodating groove 411, so that when the supporting foot 42 rotates, the supporting foot 42 can be accommodated in the accommodating groove 411.

Meanwhile, the large end of the fixed seat 41 is fixedly connected with the running chassis 1, so that stress concentration generated when the fixed seat 41 bears can be reduced, the fixed connection between the fixed seat 41 and the running chassis 1 is not easy to separate in the bearing process and after bearing, and the bearing capacity of the supporting component 4 is improved.

The telescopic driving element 43 can be an electric push rod, one end of the base of the telescopic driving element 43 is arranged at one end of the fixed seat 41 far away from the ground, and one end of the base of the telescopic driving element 43 is rotatably connected with the side wall of the accommodating groove 411; one end of the output end of the telescopic driving member 43 is rotatably disposed on one end of the supporting foot 42 close to the fixed seat 41. The telescopic driving member 43 is used for driving the supporting foot 42 to rotate, so that the supporting foot 42 can be abutted against the ground, and the running chassis 1 is lifted at the same time, thereby achieving the purpose of lifting the running wheels 11 off the ground.

The supporting foot 42 is provided with a yielding groove 421 along one side of the supporting foot 42 close to the fixing seat 41 in the rotating direction. The yielding groove 421 is formed at the large end of the supporting leg 42, so that the bearing strength of the supporting leg 42 is not easily affected by the forming of the yielding groove 421. The receding groove 421 can also be a rectangular groove, and the opening direction of the receding groove 421 is the direction toward the fixing base 41. The yielding groove 421 is used for placing the retractable driving member 43, so that when the retractable driving member 43 drives the supporting leg 42 to rotate, the retractable driving member 43 can be accommodated in the yielding groove 421 of the supporting leg 42, and interference caused by accommodating the supporting leg 42 in the accommodating groove 411 of the fixing base 41 is avoided.

Referring to fig. 2 and 3, the end of the supporting foot 42 away from the fixing base 41 is provided with a ground gripping suction cup 5. The ground gripping suction cup 5 is used for increasing the friction force between the supporting foot 42 and the ground, so that when the supporting foot 42 lifts the running chassis 1, the supporting foot 42 is more stable and is not easy to slip.

The ground-grasping suction cup 5 is rotatably arranged on the supporting foot 42, so that when the ground-grasping suction cup 5 abuts against the ground, the ground-grasping suction cup 5 can always abut against the ground, and the supporting foot 42 can stably lift the running chassis 1. A suction cup seat 51 is fixed on one side of the ground grabbing suction cup 5 far away from the ground, an embedding groove 511 is arranged on one side of the suction cup seat 51 far away from the ground grabbing suction cup 5, and the opening direction of the embedding groove 511 is the direction far away from the suction cup seat 51. One end of the supporting foot 42 away from the fixing seat 41 is embedded in the embedding groove 511, and the supporting foot 42 is rotatably connected with the side wall of the embedding groove 511 through the locking component 6.

The locking assembly 6 includes a locking screw 61 and a locking nut 62. The locking screw 61 is arranged on the supporting foot 42 and the side wall of the scarfing groove 511 in a penetrating way, and the ground-grasping suction cup 5 can rotate around the axis of the locking screw 61; the locking nuts 62 are screwed to both ends of the locking screw 61, and the locking nuts 62 abut against the outer sides of the side walls of the scarf groove 511, so that the locking nuts 62 can limit the rotation of the ground suction cup 5. Through adjusting the tight degree of support of locking nut 62 and scarf groove 511 lateral wall, can adjust the rotation of grabbing ground sucking disc 5 to when grabbing ground sucking disc 5 impaired, can also take off locking subassembly 6, convenient and fast ground is to grabbing ground sucking disc 5 and changing.

The side of the ground-grasping suction cup 5 close to the ground is fixed with anti-skid sawteeth 52. The section of the anti-slip sawtooth 52 is triangular, the large end of the anti-slip sawtooth 52 is the end close to the ground-grasping suction cup 5, and the small end of the anti-slip sawtooth 52 is the end far away from the suction cup. The anti-slip saw teeth 52 are provided in a plurality of rows at equal intervals. The anti-slip serrations 52 serve to increase the frictional resistance between the ground engaging suction cup 5 and the ground to further improve the stability of the support assembly 4.

The application principle of the crank arm type aerial work platform in the embodiment of the application is as follows: during specific construction, the crank arm type aerial work platform is moved to a proper position outside a building through the traveling wheels 11, and then the output end of the telescopic driving piece 43 is driven to extend, so that the supporting foot 42 rotates in the direction close to the ground until the supporting foot 42 abuts against the ground. Before the support foot 42 comes into contact with the ground, the ground engaging suction cup 5 is rotated and adjusted, and during the rotation of the support foot 42, the ground engaging suction cup 5 is always kept in contact with the ground. The anti-slip serrations 52 increase the frictional resistance of the ground engaging suction cup 5 against the ground when abutted. When the support feet 42 are rotated, the running chassis 1 is gradually lifted and the running wheels 11 are moved away from the ground. After the driving wheels 11 are lifted off the ground, the operation platform 3 is moved to the part to be cleaned of the outer wall through the crank arm mechanism 2, and then the outer wall can be cleaned.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a crank arm formula aerial working platform, is including traveling chassis (1), the both ends of traveling chassis (1) all are equipped with a set of wheel (11) that travel, its characterized in that: the vehicle-mounted wheel lifting mechanism is characterized in that a supporting component (4) used for lifting a traveling wheel (11) off the ground is arranged on the traveling chassis (1), the supporting component (4) is arranged at two ends of the traveling wheel (11), the supporting component (4) comprises a fixed seat (41), a supporting leg (42) and a telescopic driving piece (43), the fixed seat (41) is arranged on the outer edge of the traveling chassis (1), the supporting leg (42) is rotatably arranged at one end, close to the ground, of the fixed seat (41), the output end of the telescopic driving piece (43) is rotatably arranged on the supporting leg (42), and a base of the telescopic driving piece (43) is rotatably arranged on the fixed seat (41).

2. The crank arm aerial work platform of claim 1, wherein: one end of the supporting leg (42) far away from the fixed seat (41) is provided with a ground gripping sucker (5).

3. The crank arm aerial work platform of claim 2, wherein: and anti-skid sawteeth (52) are arranged on one side of the ground gripping sucker (5) close to the ground.

4. The crank arm aerial work platform of claim 2, wherein: grab ground sucking disc (5) and rotate and set up on supporting legs (42), grab ground sucking disc (5) and keep away from one side on ground and be equipped with sucking disc seat (51), one side that sucking disc (5) were kept away from in sucking disc seat (51) is equipped with scarf joint groove (511), the one end that fixing base (41) were kept away from in supporting legs (42) inlays and establishes in scarf joint groove (511), supporting legs (42) are connected through the lateral wall rotation of locking subassembly (6) and scarf joint groove (511).

5. The crank arm aerial work platform of claim 4, wherein: locking subassembly (6) are including locking screw (61) and lock nut (62), wear to establish on the lateral wall of supporting legs (42) and scarf joint groove (511) locking screw (61), lock nut (62) threaded connection is at the both ends of locking screw (61), outside looks butt of locking nut (62) and scarf joint groove (511) lateral wall.

6. The crank arm aerial work platform of claim 1, wherein: fixing base (41) are equipped with holding tank (411) along one side that supporting legs (42) rotation direction is close to supporting legs (42), the base of flexible driving piece (43) and the tip of supporting legs (42) all rotate and set up on the lateral wall of holding tank (411), one side that supporting legs (42) are close to fixing base (41) along supporting legs (42) rotation direction is equipped with groove of stepping down (421) that are used for flexible driving piece (43) to place, the output of flexible driving piece (43) is rotated and is set up on the lateral wall of groove of stepping down (421), supporting legs (42) can rotate to in holding tank (411).

7. The crank arm aerial work platform of claim 6, wherein: the supporting legs (42) are arranged to be of a structure with a large end at the middle and small ends at the two ends, and the accommodating grooves (411) are formed in the large end parts of the supporting legs (42).

8. The crank arm aerial work platform of claim 1, wherein: the fixing seat (41) is of a structure that one end close to the ground is a large end and the other end far away from the ground is a small end, and one end, close to the ground, of the fixing seat (41) is fixedly connected with the running chassis (1).