CN211226246U

CN211226246U - Electromagnetic locking structure for mast type operation platform

Info

Publication number: CN211226246U
Application number: CN201922036691.1U
Authority: CN
Inventors: 单超
Original assignee: Jiangsu Chenghan Machinery Technology Co ltd
Current assignee: Jiangsu Chenghan Machinery Technology Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-11
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to a mast type operation platform technical field just discloses an electromagnetic locking structure to mast type operation platform, including the travelling car, travelling car top fixed mounting has mast type lift, the equal fixed mounting in both sides has quantity to be two fixed blocks around the travelling car, the rotating groove has been seted up to one side that the travelling car was kept away from to the fixed block, the fixed block top is rotated and is connected with the pivot that runs through the fixed block and extend to the rotating groove, pivot lateral wall fixedly connected with connecting plate. This electromagnetic locking structure to mast type operation platform has solved the stability of mast type operation platform on the existing market can install the stable landing leg for the stability of guarantee platform, generally stabilizes the landing leg and rotates with mast type operation platform to be connected, and convenient folding during the removal, but at the during operation, owing to do not lock the stable landing leg, lead to appearing the skew after the collision easily, bring the problem of potential safety hazard for the user.

Description

Electromagnetic locking structure for mast type operation platform

Technical Field

The utility model relates to a mast type work platform technical field specifically is an electromagnetic locking structure to mast type work platform.

Background

Lifting platform is a multi-functional jack-up loading and unloading mechanical equipment, can divide into fixed and portable: the movable type is divided into a straight arm type, a crank arm type, a scissor type, a mast type, an aluminum alloy lifting platform and a telescopic cylinder type: the mast type work platform is an aerial work platform, particularly a work platform which is supported by mast columns to synchronously lift, and can be mainly divided into a single mast type aerial work platform, a double mast type aerial work platform, a multi-mast type aerial work platform and a fixed mast type aerial work platform.

The landing leg can be installed stably in order to guarantee the stability of platform to mast type operation platform on the existing market, and the landing leg is generally stabilized and is connected with mast type operation platform rotation, and convenient folding during the removal, but at the during operation, because do not lock stable landing leg, lead to appearing the skew after the collision easily, bring the potential safety hazard for the user, so proposed an electromagnetic locking structure to mast type operation platform and solved the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an electromagnetic locking structure to mast type operation platform possesses the advantage that improves safety in utilization, has solved mast type operation platform on the existing market and can install stable landing leg for the stability of guarantee platform, and it is connected with mast type operation platform rotation to stabilize landing leg generally, and convenient folding when removing, but at the during operation, owing to do not lock stable landing leg, lead to appearing the skew after the collision easily, bring the problem of potential safety hazard for the user.

(II) technical scheme

In order to realize the purpose of improving the use safety, the utility model provides a following technical scheme: an electromagnetic locking structure for a mast type operation platform comprises a movable trolley, a mast type lifter is fixedly mounted at the top of the movable trolley, two fixed blocks are fixedly mounted at the front side and the rear side of the movable trolley, a rotating groove is formed in one side, away from the movable trolley, of the fixed blocks, a rotating shaft which penetrates through the fixed blocks and extends into the rotating groove is rotatably connected to the tops of the fixed blocks, a connecting plate is fixedly connected to the side wall of the rotating shaft, a cavity is formed in the connecting plate, a movable plate which penetrates through the connecting plate and extends into the cavity is inserted into one end, away from the rotating shaft, of the connecting plate, a supporting rod which penetrates through the movable plate and extends to the bottom of the movable plate is in threaded connection with the top of the movable plate, a first fluted disc which is positioned at the top of the fixed blocks is fixedly mounted at the front side and the rear, the mounting block bottom fixed mounting has the sleeve, it has the movable rod that runs through and extend to in the sleeve to peg graft bottom the sleeve, movable rod bottom fixedly connected with is located first fluted disc top and with the second fluted disc of first fluted disc engaged with, fixedly connected with quantity is four spring between mounting block and the second fluted disc, mounting block bottom fixedly connected with quantity is two sucking disc formula electro-magnet.

Preferably, the front side and the rear side of the movable trolley are both provided with two mounting grooves, the mounting grooves are rotationally connected with movable wheels, and the fixed blocks are located between the two mounting grooves on the same side.

Preferably, a bearing matched with the rotating shaft is fixedly installed in the fixing block, and the width of the connecting plate is smaller than that of the fixing block.

Preferably, the connecting plate is provided with a first through hole matched with the movable plate, and one end of the connecting plate, which is located in the cavity, is fixedly provided with a limiting plate with a height greater than that of the first through hole.

Preferably, a threaded hole matched with the support rod is formed in the movable plate, a rotating handle is fixedly mounted at the top of the support rod, and anti-skid bottom feet are fixedly mounted at the bottom of the support rod.

Preferably, when the spring is not compressed, the second fluted disc is meshed with the first fluted disc, the second fluted disc is a steel plate, and the suction force of the sucker type electromagnet is greater than the elastic force of the spring.

(III) advantageous effects

Compared with the prior art, the utility model provides an electromagnetic locking structure to mast type work platform possesses following beneficial effect:

the electromagnetic locking structure for the mast type operation platform is characterized in that a rotating shaft is arranged, because the connecting plate is fixedly connected with the rotating shaft, a user only needs to rotate the connecting plate, then pulls a movable plate according to the site condition, then rotates a supporting rod to enable the bottom of the supporting rod to be contacted with the ground, so that the bottom stability of a movable trolley is increased, and through the arrangement of a spring and a sucker type electromagnet, when the sucker type electromagnet is not electrified, a second fluted disc is meshed with a first fluted disc under the pushing of the spring, so that the first fluted disc cannot rotate, further, the connecting plate fixedly connected with the rotating shaft cannot rotate, the locking of the rotating shaft is completed, the movement caused by collision is avoided, the sucker type electromagnet is electrified to enable the sucker type electromagnet to adsorb the second fluted disc, the spring is compressed, the second fluted disc is separated from the first fluted disc, the folding of the user, thereby effectual mast type operation platform that has solved on the existing market can install the stable landing leg for the stability of guarantee platform, generally stabilizes the landing leg and is connected with mast type operation platform rotation, and convenient folding when removing, but at the during operation, owing to do not lock the stable landing leg, the skew appears after leading to colliding easily, brings the problem of potential safety hazard for the user.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a partially enlarged schematic view of a portion a shown in fig. 1 according to the present invention.

In the figure: the device comprises a movable trolley 1, a mast type lifter 2, a fixed block 3, a rotating groove 4, a rotating shaft 5, a connecting plate 6, a cavity 7, a movable plate 8, a supporting rod 9, a first fluted disc 10, an installation block 11, a sleeve 12, a movable rod 13, a second fluted disc 14, a spring 15 and a sucker type electromagnet 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an electromagnetic locking structure for a mast type working platform comprises a movable trolley 1, wherein the front side and the rear side of the movable trolley 1 are respectively provided with two mounting grooves, a movable wheel is rotatably connected in the mounting grooves, a mast type lifter 2 is fixedly mounted at the top of the movable trolley 1, two fixed blocks 3 are fixedly mounted at the front side and the rear side of the movable trolley 1, the fixed blocks 3 are positioned between the two mounting grooves at the same side, one side of the fixed blocks 3, which is far away from the movable trolley 1, is provided with a rotating groove 4, the top of the fixed blocks 3 is rotatably connected with a rotating shaft 5 which penetrates through the fixed blocks 3 and extends into the rotating groove 4, a bearing which is matched with the rotating shaft 5 is fixedly mounted in the fixed blocks 3, the side wall of the rotating shaft 5 is fixedly connected with a connecting plate 6, the width of the connecting plate 6 is smaller than that of the fixed blocks 3, a cavity 7, the connecting plate 6 is provided with a first through hole matched with the movable plate 8, one end of the connecting plate 6, which is positioned in the cavity 7, is fixedly provided with a limiting plate with the height larger than that of the first through hole, the top of one end, which is far away from the connecting plate 6, of the movable plate 8 is in threaded connection with a supporting rod 9 which penetrates through the movable plate 8 and extends to the bottom of the movable plate 8, the movable plate 8 is internally provided with threaded holes matched with the supporting rod 9, the top of the supporting rod 9 is fixedly provided with a rotating handle, the bottom of the supporting rod 9 is fixedly provided with anti-skidding bottom feet, the top of the rotating shaft 5 is fixedly connected with a first fluted disc 10 positioned at the top of the fixed block 3, the front side and the rear side of the movable trolley 1 are both fixedly provided with two mounting blocks 11 positioned at the top of the first fluted disc 10, the bottom of each mounting block 11 is fixedly provided with a sleeve 12, the second fluted disc 14 is a steel plate, the number of the springs 15 fixedly connected between the mounting block 11 and the second fluted disc 14 is four, the second fluted disc 14 is meshed with the first fluted disc 10 when the springs 15 are not compressed, the number of the suction cup type electromagnets 16 fixedly connected to the bottom of the mounting block 11 is two, and the suction force of the suction cup type electromagnets 16 is greater than the elastic force of the springs 15.

When in use, by arranging the rotating shaft 5, as the connecting plate 6 is fixedly connected with the rotating shaft 5, a user only needs to rotate the connecting plate 6, then the movable plate 8 is pulled according to the situation of the field, the supporting rod 9 is rotated to enable the bottom of the supporting rod 9 to be contacted with the ground, thereby increasing the stability of the bottom of the movable trolley 1, and by arranging the spring 15 and the sucker type electromagnet 16, when the suction cup type electromagnet 16 is not energized, the second toothed disc 14 is meshed with the first toothed disc 10 under the pushing of the spring 15, so that the first toothed disc 10 cannot rotate, thereby preventing the connecting plate 6 fixedly connected with the rotating shaft 5 from rotating, completing the locking of the rotating shaft 5, ensuring that the connecting plate cannot move due to collision, the sucker type electromagnet 16 is electrified to enable the sucker type electromagnet 16 to adsorb the second fluted disc 14, the spring 15 is compressed, and the second fluted disc 14 is separated from the first fluted disc 10, so that the folding of a user is facilitated, and the purpose of improving the use safety is achieved.

In summary, according to the electromagnetic locking structure for the mast-type working platform, by providing the rotating shaft 5, since the connecting plate 6 is fixedly connected with the rotating shaft 5, a user only needs to rotate the connecting plate 6, then pulls the movable plate 8 according to the site conditions, and then rotates the supporting rod 9 to contact the bottom of the supporting rod 9 with the ground, so as to increase the stability of the bottom of the mobile cart 1, by providing the spring 15 and the sucker-type electromagnet 16, when the sucker-type electromagnet 16 is not energized, the second fluted disc 14 is meshed with the first fluted disc 10 under the pushing of the spring 15, so that the first fluted disc 10 cannot rotate, and further the connecting plate 6 fixedly connected with the rotating shaft 5 cannot rotate, so as to complete the locking of the rotating shaft 5, and ensure that the mobile platform cannot be moved due to collision, by energizing the sucker-type electromagnet 16, so that the sucker-type electromagnet 16 adsorbs the second fluted disc 14, so that the spring 15 is, the person of facilitating the use is folding, has reached the purpose that improves the safety in utilization to effectual mast type operation platform that has solved on the existing market can install the stable landing leg for the stability of guarantee platform, generally stabilizes the landing leg and is connected with mast type operation platform rotation, and convenient folding when removing, but at the during operation, owing to do not lock the stable landing leg, appear the skew after leading to colliding easily, bring the problem of potential safety hazard for the user.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electromagnetic locking structure to mast type work platform, includes mobile trolley (1), its characterized in that: a mast type elevator (2) is fixedly mounted at the top of the movable trolley (1), two fixed blocks (3) are fixedly mounted on the front side and the rear side of the movable trolley (1), a rotating groove (4) is formed in one side, far away from the movable trolley (1), of each fixed block (3), a rotating shaft (5) which penetrates through each fixed block (3) and extends into the corresponding rotating groove (4) is rotatably connected to the top of each fixed block (3), a connecting plate (6) is fixedly connected to the side wall of each rotating shaft (5), a cavity (7) is formed in each connecting plate (6), a movable plate (8) which penetrates through each connecting plate (6) and extends into each cavity (7) is inserted into one end, far away from each rotating shaft (5), of each movable plate (6), a supporting rod (9) which penetrates through each movable plate (8) and extends to the bottom of each movable plate (8) is in threaded connection, pivot (5) top fixedly connected with is located first fluted disc (10) at fixed block (3) top, the equal fixed mounting in both sides has installation piece (11) that are located first fluted disc (10) top and quantity for two around travelling car (1), installation piece (11) bottom fixed mounting has sleeve (12), it has movable rod (13) that runs through and extend to in sleeve (12) to peg graft bottom sleeve (12), movable rod (13) bottom fixedly connected with is located first fluted disc (10) top and second fluted disc (14) that meshes mutually with first fluted disc (10), fixedly connected with quantity is spring (15) of four between installation piece (11) and second fluted disc (14), installation piece (11) bottom fixedly connected with quantity is sucking disc formula electro-magnet (16) of two.

2. The electromagnetic locking structure for a mast-type work platform of claim 1, wherein: the movable trolley is characterized in that the front side and the rear side of the movable trolley (1) are provided with two mounting grooves, the mounting grooves are rotationally connected with movable wheels, and the fixed blocks (3) are located between the two mounting grooves on the same side.

3. The electromagnetic locking structure for a mast-type work platform of claim 1, wherein: the bearing that has and pivot (5) looks adaptation is fixed mounting in fixed block (3), the width of connecting plate (6) is less than the width of fixed block (3).

4. The electromagnetic locking structure for a mast-type work platform of claim 1, wherein: the first through-hole with fly leaf (8) looks adaptation is seted up in connecting plate (6), the one end fixed mounting that connecting plate (6) are located cavity (7) has the limiting plate that highly is greater than first through-hole height.

5. The electromagnetic locking structure for a mast-type work platform of claim 1, wherein: threaded holes matched with the supporting rods (9) are formed in the movable plate (8), rotating handles are fixedly mounted at the tops of the supporting rods (9), and anti-skidding bottom feet are fixedly mounted at the bottoms of the supporting rods (9).

6. The electromagnetic locking structure for a mast-type work platform of claim 1, wherein: when the spring (15) is not compressed, the second fluted disc (14) is meshed with the first fluted disc (10), the second fluted disc (14) is a steel plate, and the suction force of the sucker type electromagnet (16) is greater than the elastic force of the spring (15).