CN214733614U

CN214733614U - Overload protection device for construction elevator

Info

Publication number: CN214733614U
Application number: CN202121291933.2U
Authority: CN
Inventors: 胡坤; 王建国; 杨建坤
Original assignee: Fujian Jianyong Machinery Equipment Co ltd
Current assignee: Fujian Jianyong Machinery Equipment Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-11-16
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a construction elevator overload protection device relates to lift technical field, including support body, car and hawser, the warning light is installed to the one end of car, and the top of car is fixed with the atress piece that links to each other with the hawser, the inside of atress piece is provided with the atress board, and the top of atress board install with atress piece inner wall fixed connection's powerful spring, the conducting block is installed to one side of powerful spring, and the below of conducting block is fixed with flexible conducting rod in the top of atress board, the internally mounted of car has the gag lever post, and one side of gag lever post is connected with the pneumatic cylinder. The utility model effectively solves the problem of overload prompt of the lifter by arranging the stress plate, the strong spring, the telescopic conducting rod, the conducting block and the alarm lamp; through setting up atress board, powerful spring, flexible conducting rod, conducting block, pneumatic cylinder and gag lever post, effectively solved the lift and did not possess the technical problem of overload protection ability.

Description

Overload protection device for construction elevator

Technical Field

The utility model relates to a lift technical field specifically is a construction elevator overload protection device.

Background

The construction elevator is generally called as a construction elevator, but the definition of the construction elevator is wider, a construction platform also belongs to the construction elevator series, and the simple construction elevator consists of a lift car, a driving mechanism, a standard section, an attached wall, a chassis, a fence, an electrical system and the like, and is a manned cargo-carrying construction machine frequently used in buildings.

In the prior art, the weight of all passengers or goods in a car cannot be accurately calculated, so that the elevator is overloaded frequently, and the elevator can work normally only when the passengers quit the elevator or the goods are partially moved out; if passengers and goods in the elevator do not leave the elevator in time, especially when the goods are loaded and unloaded, the elevator can bear the limit weight which is beyond the self-bearing capacity for a long time, the rope is too heavy and is easy to damage and even break, so that serious safety accidents are caused, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a construction elevator overload protection device to solve current lift and do not possess the technical problem of overload protection ability.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a construction elevator overload protection device, includes support body, car and hawser, the warning light is installed to the one end of car, and the top of car is fixed with the atress piece that links to each other with the hawser, the inside of atress piece is provided with the atress board, and the top of atress board install with atress piece inner wall fixed connection's powerful spring, the conducting block is installed to one side of powerful spring, and the below of conducting block is fixed with flexible conducting rod on the top of atress board, the internally mounted of car has the gag lever post, and one side of gag lever post is connected with the pneumatic cylinder.

Through adopting above-mentioned technical scheme, can trigger the siren when the car overloads and start, play the warning effect, still can make the gag lever post exhibition simultaneously, play the limiting displacement with the support body, and then guarantee the safety of car.

The utility model discloses further set up to, the support body has multiunit standard festival support body concatenation to form, the hawser comprises wire rope.

Through adopting above-mentioned technical scheme, the lift track of lift is constituteed to multiunit standard festival support body, and then realizes basic raising and lowering functions, and the hawser adopts wire rope can strengthen intensity, promotes the security.

The utility model discloses further set up as, the hawser runs through the inside of atress piece and extends to the outside of atress piece.

Through adopting above-mentioned technical scheme, play the effect of hawser pulling atress piece, and then make the car can realize going up and down.

The utility model discloses further set up to, conducting block and flexible conducting rod are all through wire and pneumatic cylinder electric connection.

Through adopting above-mentioned technical scheme for can lead to the pneumatic cylinder to start after the car overloads, play the effect of control pneumatic cylinder operating condition.

The utility model discloses further set up to, the quantity of gag lever post is multiunit, multiunit the gag lever post equidistance distributes in one side of car, and the material of gag lever post is high strength carbide.

Through adopting above-mentioned technical scheme, the security of car can further be promoted to multiunit high strength carbide's gag lever post.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a set up the atress board, strong spring, flexible conducting rod, conducting block and warning light, when the car bears workman or construction articles for use, along with the increase of the inside weight that bears of car, can make the car produce micro displacement downwards gradually, because the car receives the pulling force effect of hawser, so the hawser can extrude the atress board to move upwards gradually along with the increase of weight gradually, the atress board can extrude strong spring simultaneously, when strong spring is compressed to the utmost, flexible conducting rod top can move to in the inner wall of conducting block, the warning light is electrified work this moment, warn overload personnel or goods in time to withdraw from the car, and then guarantee the safe operation of car, effectively solved the overload suggestion problem of lift;

2. the utility model discloses a set up the atress board, strong spring, flexible conducting rod, the conducting block, pneumatic cylinder and gag lever post, compressed to when extremely sending when strong spring, flexible conducting rod top can be removed to the inner wall of conducting block, the pneumatic cylinder also can get electrician's work this moment, the output of pneumatic cylinder can promote the gag lever post afterwards and shift out inside the car, thereby make the gag lever post remove to the position department that is a little higher than standard festival one end diaphragm, and then prevent that the car from falling because the fracture of hawser, play the guard action to the car, the technical problem that the lift does not possess overload protection ability has effectively been solved.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a schematic structural view of the triggering mechanism of the present invention;

fig. 4 is a partial enlarged view of a portion a in fig. 2 according to the present invention;

fig. 5 is a schematic diagram of the distribution structure of the limiting rods of the present invention.

In the figure: 1. a frame body; 2. a car; 3. a cable; 4. an alarm light; 5. a stress block; 6. a stress plate; 7. a strong spring; 8. a conductive block; 9. a telescopic conducting rod; 10. a limiting rod; 11. pneumatic cylinders.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

An overload protection device of a construction elevator, as shown in figures 1-5, comprises a frame body 1, a car 2 and a cable 3, wherein the frame body 1 is formed by splicing a plurality of groups of standard sections, the cable 3 is formed by steel wire ropes, the plurality of groups of standard sections form a lifting track of the elevator so as to ensure the operation of the car 2, the cable 3 adopts the steel wire ropes to ensure the operation safety of the car, one end of the car 2 is provided with an alarm lamp 4, the top end of the car 2 is fixed with a stress block 5 connected with the cable 3, the stress block 5 is internally provided with a stress plate 6, the top end of the stress plate 6 is provided with a strong spring 7 fixedly connected with the inner wall of the stress block 5, one side of the strong spring 7 is provided with a conductive block 8, the lower part of the conductive block 8 is fixed with a telescopic conductive rod 9 at the top end of the stress plate 6, the conductive block 8 and the telescopic conductive rod 9 are both electrically connected with a pneumatic cylinder 11 through wires, when the top end of the telescopic conducting rod 9 is engaged with the conducting block 8, the alarm lamp 4 and the pneumatic cylinder 11 are both electrically operated, the car 2 is internally provided with a limiting rod 10, and one side of the limiting rod 10 is connected with the pneumatic cylinder 11.

Referring to fig. 1 and 2, the cable 3 penetrates through the inside of the stress block 5 and extends to the outside of the stress block 5, so that the power motor at the top end of the elevator drives the cable 3 to lift and lower, and the cable 3 can control the lift of the car 2 through the stress block.

Referring to fig. 4 and 5, the number of the limiting rods 10 is multiple, the multiple sets of limiting rods 10 are equidistantly distributed on one side of the car 2, the material of the limiting rods 10 is high-strength hard alloy, the multiple sets of high-strength hard alloy limiting rods 10 can be unfolded during overload and are clamped and limited with a cross rod at one end of a standard knot, and therefore the car 2 is prevented from falling due to breakage of the cable 3.

The utility model discloses a theory of operation does: when the car 2 bears workers or construction supplies, the car 2 can gradually generate a trace amount of displacement downwards along with the increase of the bearing weight in the car 2, the car 2 is under the tensile force action of the mooring rope 3, the mooring rope 3 can gradually extrude the stress plate 6 to move upwards along with the increase of the weight, meanwhile, the stress plate 6 can extrude the strong spring 7, when the strong spring 7 is compressed to the utmost, the top end of the telescopic conducting rod 9 can move into the inner wall of the conducting block 8, the alarm lamp 4 is powered to work at the moment, and the alarm can warn overloaded personnel or goods to timely withdraw from the car 2, so that the safe operation of the car is ensured;

stretch simultaneously with this, pneumatic cylinder 11 also can get the electrician and do, and the output of pneumatic cylinder 11 can promote gag lever post 10 and shift out inside car 2 afterwards to make gag lever post 10 move to the position department that is a little higher than standard festival one end diaphragm, and then prevent that car 2 from falling because the fracture of hawser 3 plays the guard action to the car.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides a construction elevator overload protection device, includes support body (1), car (2) and hawser (3), its characterized in that: alarm lamp (4) are installed to the one end of car (2), and the top of car (2) is fixed with atress piece (5) that link to each other with hawser (3), the inside of atress piece (5) is provided with atress board (6), and the top of atress board (6) install powerful spring (7) with atress piece (5) inner wall fixed connection, conducting block (8) are installed to one side of powerful spring (7), and the below of conducting block (8) is fixed with flexible conducting rod (9) on the top of atress board (6), the internally mounted of car (2) has gag lever post (10), and one side of gag lever post (10) is connected with pneumatic cylinder (11).

2. The overload protection device for the construction hoist according to claim 1, wherein: the frame body (1) is formed by splicing a plurality of groups of standard section frame bodies, and the mooring rope (3) is formed by a steel wire rope.

3. The overload protection device for the construction hoist according to claim 1, wherein: the cable (3) penetrates through the inner part of the stress block (5) and extends to the outer side of the stress block (5).

4. The overload protection device for the construction hoist according to claim 1, wherein: the conductive block (8) and the telescopic conductive rod (9) are electrically connected with the pneumatic cylinder (11) through leads.

5. The overload protection device for the construction hoist according to claim 1, wherein: the quantity of gag lever post (10) is the multiunit, multiunit gag lever post (10) equidistance distributes in one side of car (2), and the material of gag lever post (10) is high strength carbide.