CN213112226U

CN213112226U - Anti-drop hoist is used in civil engineering

Info

Publication number: CN213112226U
Application number: CN202020893034.9U
Authority: CN
Inventors: 张健; 吕允海; 宋宏亮; 王成森; 王志强
Original assignee: Shandong Tanki Industry & Commerce Group Co ltd
Current assignee: Shandong Tanki Industry & Commerce Group Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-05-04
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses an anti-drop hoist for civil engineering relates to building construction technical field. This anti-drop hoist for civil engineering, including first lifting claw and second lifting claw, first lifting claw is provided with two altogether, and it has first dead lever to be close to center department through the bearing rotation between one side surface of two first lifting claws, and the top of first dead lever is close to both sides and all has first pneumatic cylinder through the bolt fastening, and the welding has the second dead lever between the top of two first pneumatic cylinders, and the bottom of second dead lever is close to both sides edge and all has welded two first connecting plates. This anti-drop hoist for civil engineering lifts by crane the back with article through first lifting claw, starts the second lifting claw, and the article that will lift by crane through the L type layer board of second lifting claw bottom drag, and the first frictional layer that the surface of first lifting claw punch holder set up can increase frictional force, makes article lift by crane more firm, and the second frictional layer that the upper surface of L type layer board set up further increases frictional force.

Description

Anti-drop hoist is used in civil engineering

Technical Field

The utility model relates to a building construction technical field specifically is an anti-drop hoist for civil engineering.

Background

Civil and architectural engineering, which is a general term of civil engineering and architectural engineering, is an engineering subject for constructing various facilities and places for activities such as human life, production, protection and the like, and covers the construction of buildings, structures and engineering works in the engineering ranges of buildings, roads, railways, airports, bridges, water conservancy, ports, tunnels, water supply and drainage, protection and the like in various categories such as ground, underground, land, water, underwater and the like, not only comprises various technical activities such as surveying, designing, constructing, maintaining, managing and the like in the engineering construction process, but also comprises materials, equipment and articles consumed in the construction process, the civil and architectural engineering relates to the existence, the activity and the development of various industries in national economy, and the existence and the development of various industries can not be mentioned without the space and the places for constructing the activities by the civil and the architectural engineering, the hoist becomes one of the indispensable equipment, but some hoists take place to rock easily when lifting by crane, can lead to the article of hoisting to drop, cause certain potential safety hazard to constructor to general hoist function is comparatively single, for example some hoists can hoist cylindrical object article, but can't hoist rectangular object article, and can't guarantee stability.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anti-drop hoist for civil engineering can be dragged the article of hoisting, prevents that article from droing, is provided with the lifting claw of two kinds of differences on the hoist, can hoist multiple article, improves the practicality of product.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an anti-falling lifting appliance for civil engineering construction comprises two first lifting claws and two second lifting claws, wherein a first fixing rod penetrates through the position, close to the center, between the outer surfaces of one side of the two first lifting claws in a rotating mode through a bearing, the top of the first fixing rod is close to two sides and is fixed with a first hydraulic cylinder through a bolt, a second fixing rod is welded between the tops of the two first hydraulic cylinders, two first connecting plates are welded at the positions, close to the edges of the two sides, of the bottom of the second fixing rod, the number of the first connecting plates is four, a first short rod is welded between the outer surfaces of one side of each two first connecting plates, the tops of the two first lifting claws are respectively and rotatably sleeved on the outer surfaces of the two first short rods, the number of the second lifting claws is two, the outer surfaces of one side of the two second lifting claws are respectively and rotatably sleeved on the outer surface of the second fixing rod close to the center, the two second lifting claws are positioned at the inner sides of the two first lifting claws, a second hydraulic cylinder is fixed at the center of the top of the second fixed rod through bolts, a connecting rod is welded at the top of the second hydraulic cylinder, two second connecting plates are welded at the bottom of the connecting rod close to the edges of the two sides, the number of the second connecting plates is four, a second short rod is welded between the outer surfaces of one side of each second connecting plate, the tops of the two second lifting claws are respectively rotatably sleeved on the outer surfaces of the two second short rods, sliding grooves are formed in the bottoms of the two sides of the two second lifting claws, the number of the sliding grooves is four, a third hydraulic cylinder is fixed on the inner top surface of each sliding groove through bolts, a sliding short rod is welded at the bottom of each third hydraulic cylinder, and an L-shaped supporting plate is welded at the bottom of each sliding short rod, the bottom parts of the four L-shaped supporting plates respectively extend to the outer parts of the four sliding grooves.

In order to make more firm of first lifting claw hang up article, conduct the utility model relates to an anti-drop hoist is preferred for civil engineering, two the both sides bottom of first lifting claw all has splint, two through the bolt fastening one side surface of splint all bonds and has first frictional layer.

In order to make the second lifting claw can be more firm drag article, conduct the utility model relates to an anti-drop hoist is preferred, four for the civil engineering the upper surface of L type layer board all is bonded with the second frictional layer.

In order to make the hoist can be to playing the warning effect at night during operation, conduct the utility model relates to an anti-drop hoist is preferred for civil engineering, the top of second dead lever is close to both sides edge and all installs the warning light.

In order to carry out better fixed to the splint, conduct the utility model relates to an anti-drop hoist is preferred for civil engineering, four one side surface of splint all welds between the both sides surface with two first lifting claws respectively has the fixed plate.

For the convenience is pulled up the hoist, as the utility model relates to an anti-drop hoist is preferred for civil engineering, the top of second dead lever 5 is close to both sides edge and all welds there is lug 7.

The utility model provides an anti-drop hoist is used in civil engineering. The method has the following beneficial effects:

(1) this anti-drop hoist for civil engineering lifts by crane the back with article through first lifting claw, starts the second lifting claw, and the article that will lift by crane through the L type layer board of second lifting claw bottom drag, and the first frictional layer that the surface of first lifting claw punch holder set up can increase frictional force, makes article lift by crane more firm, and the second frictional layer that the upper surface of L type layer board set up further increases frictional force, makes at the article that drags by crane and can prevent that article from droing.

(2) This anti-drop hoist is used in civil engineering, second lifting claw also have the function of lifting by crane, can lift by crane similar columniform article through L type layer board, then carry the surface of the article of lifting by crane through first lifting claw, also can make the article of lifting remain stable, can increase the application range of hoist, reduce the number of times that the hoist was changed to the crane.

Drawings

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

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

FIG. 3 is an enlarged view of a first lifting claw of the present invention;

fig. 4 is an enlarged cross-sectional view of a second claw according to the present invention.

In the figure: 1. a first lifting claw; 2. a second lifting claw; 3. a first fixing lever; 4. a first hydraulic cylinder; 5. a second fixing bar; 6. a warning light; 7. lifting lugs; 8. a second hydraulic cylinder; 9. a connecting rod; 10. a first connecting plate; 11. a first short bar; 12. a splint; 13. a first friction layer; 14. a fixing plate; 15. a chute; 16. a third hydraulic cylinder; 17. a sliding short bar; 18. an L-shaped supporting plate; 19. a second friction layer; 20. a second connecting plate; 21. a second short bar.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an anti-falling lifting appliance for civil engineering construction comprises two first lifting claws 1 and two second lifting claws 2, wherein a first fixing rod 3 penetrates through the outer surface of one side of each of the two first lifting claws 1 through the rotation of a bearing, the top of each first fixing rod 3 is fixed with a first hydraulic cylinder 4 through a bolt near the two sides, a second fixing rod 5 is welded between the tops of the two first hydraulic cylinders 4, two first connecting plates 10 are welded at the bottom of each second fixing rod 5 near the two side edges, the number of the first connecting plates 10 is four, a first short rod 11 is welded between the outer surfaces of one side of each two first connecting plates 10, the tops of the two first lifting claws 1 are respectively and rotatably sleeved on the outer surfaces of the two first short rods 11, the number of the second lifting claws 2 is two, the outer surface of one side of each of the two second lifting claws 2 near the center is rotatably sleeved on the outer surface of the second fixing rod 5, the two second lifting claws 2 are positioned at the inner sides of the two first lifting claws 1, a second hydraulic cylinder 8 is fixed at the center of the top of a second fixed rod 5 through bolts, a connecting rod 9 is welded at the top of the second hydraulic cylinder 8, two second connecting plates 20 are welded at the bottom of the connecting rod 9 close to the edges of the two sides, the number of the second connecting plates 20 is four, a second short rod 21 is welded between the outer surfaces of one side of each two second connecting plates 20, the tops of the two second lifting claws 2 are respectively and rotatably sleeved on the outer surfaces of the two second short rods 21, sliding grooves 15 are respectively arranged at the bottoms of the two sides of the two second lifting claws 2, the number of the sliding grooves 15 is four, a third hydraulic cylinder 16 is fixed at the inner top surface of each sliding groove 15 through bolts, a sliding short rod 17 is welded at the bottom of each third hydraulic cylinder 16, and an L-shaped supporting plate 18 is welded at the bottom, the bottom portions of the four L-shaped pallets 18 extend to the outside of the four slide grooves 15, respectively.

In this embodiment: the first lifting claw 1 is provided with two L-shaped supporting plates 18 which can prevent lifted objects from shifting due to the action of gravity, when the first hydraulic cylinder 4 is started, the distance between the first fixing rod 3 and the second fixing rod 5 can be pulled apart, then the two first lifting claws 1 clamp the objects, the first hydraulic cylinder 4 adopts a model of 92-50, the first short rod 11 welded between the two first connecting plates 10 can fix the top of the first lifting claw 1, round holes are respectively formed in the top and the center of the first lifting claw 1, bearings are respectively arranged inside the round holes, so that the first lifting claw 1 can stably rotate when being sleeved on the outer surfaces of the first fixing rod 3 and the first short rod 11, when the second hydraulic cylinder 8 arranged at the top of the second fixing rod 5 is started, the distance between the second fixing rod 5 and the connecting rod 9 can be pulled apart, then the distance between the two L-shaped supporting plates 18 at the bottom end of the second lifting claw 2 is pulled close, the second hanging claw 2 is enabled to drag objects, the second hydraulic cylinder 8 is 92-50 in model, the third hydraulic cylinder 16 arranged inside the sliding groove 15 can push the L-shaped supporting plate 18 out through the sliding short rod 17, the L-shaped supporting plate 18 moves downwards, larger objects can be dragged, the third hydraulic cylinder 16 is 63 in cylinder diameter model, round holes are formed in the top and the center of the second hanging claw 2, bearings are arranged inside the round holes, and the second hanging claw 2 can stably rotate when being sleeved on the outer surface of the second fixing rod 5 and the outer surface of the second short rod 21.

Specifically, clamping plates 12 are fixed to bottom ends of two sides of the two first lifting claws 1 through bolts, and first friction layers 13 are bonded to outer surfaces of one sides of the two clamping plates 12.

In this embodiment: the clamping plate 12 is arranged at the bottom of the first lifting claw 1, so that the contact area of the first lifting claw 1 to a lifted object during operation can be increased, the first friction layer 13 adhered to the clamping plate 12 is positioned on the inner side of the first lifting claw 1, the friction force of the clamping plate 12 to the object can be increased, and the object can be lifted better.

Specifically, the upper surfaces of the four L-shaped support plates 18 are bonded with second friction layers 19.

In this embodiment: the second friction layer 19 arranged on the L-shaped supporting plate 18 can increase the friction force with the lifted object, so that the object can stably move upwards when being lifted.

Specifically, the top of the second fixing rod 5 is provided with a prompting lamp 6 near the edges of the two sides.

In this embodiment: the prompting lamp 6 is located on two sides of the second fixing rod 5, so that the lifting appliance can warn surrounding personnel when working at night, the potential safety hazard of the lifting appliance is reduced, and the installation position of the prompting lamp 6 does not influence the operation of the first lifting claw 1 and the second lifting claw 2.

Specifically, the fixing plates 14 are welded between the outer surfaces of one side of the four clamping plates 12 and the outer surfaces of two sides of the two first lifting claws 1.

In this embodiment: the fixing plate 14 can further secure the connection between the clamping plate 12 and the first jaw 1.

Specifically, lifting lugs 7 are welded on the top of the second fixing rod 5 close to the edges of the two sides.

In this embodiment: the lifting appliance can be conveniently arranged on the crane through the two lifting lugs 7.

When the lifting appliance is used, when an article needs to be lifted, the first hydraulic cylinder 4 is started, the first hydraulic cylinder 4 is pushed to enlarge the distance between the first fixing rod 3 and the second fixing rod 5, so that the distance between the two clamping plates 12 at the bottom of the first lifting claw 1 is reduced, then the article is clamped and supported, after the article is supported, the third hydraulic cylinder 16 is started, the third hydraulic cylinder 16 pushes the top of the L-shaped supporting plate 18 through the sliding short rod 17, so that the L-shaped supporting plate 18 moves downwards, the third hydraulic cylinder 16 is closed, then the second hydraulic cylinder 8 is started, the distance between the second fixing rod 5 and the connecting rod 9 is enlarged through the pushing of the second hydraulic cylinder 8, then the two L-shaped supporting plates 18 at the bottom of the second lifting claw 2 are moved to the lower part of the supported article, then the third hydraulic cylinder 16 is started again, so that the third hydraulic cylinder 16 pulls the L-shaped supporting plate 18 through the sliding short rod 17, a second friction layer 19 installed on the L-shaped supporting plate 18 is pulled to be tightly attached to the supported, make L type layer board 18 can drag the article of hoisting, effectively prevent that article from droing, if when will hanging similar cylindric article, splint 12 can not stably hoist article, starts third pneumatic cylinder 16, is in same water flat line with being close to the ground of object until the bottom of L type layer board 18, then starts second pneumatic cylinder 8, makes L type layer board 18 can hold up article, then starts first pneumatic cylinder 4 for splint 12 presss from both sides the both sides of article, makes article can stably hoist.

The utility model discloses a wiring diagram of pneumatic cylinder and the provision of power belong to the common general knowledge in this field to the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses the work control mode and the wiring arrangement of pneumatic cylinder are no longer explained in detail.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an anti-drop hoist for civil engineering, includes first lifting claw (1) and second lifting claw (2), its characterized in that: the two first lifting claws (1) are arranged, a first fixing rod (3) penetrates through the position, close to the center, between the outer surfaces of one side of the two first lifting claws (1) in a rotating mode through a bearing, the top portions of the first fixing rods (3) are close to the two sides and are all fixed with first hydraulic cylinders (4) through bolts, second fixing rods (5) are welded between the top portions of the two first hydraulic cylinders (4), two first connecting plates (10) are welded at the positions, close to the edges of the two sides, of the bottom portions of the second fixing rods (5), the number of the first connecting plates (10) is four, a first short rod (11) is welded between the outer surfaces of one side of every two first connecting plates (10), the top portions of the two first lifting claws (1) are respectively rotatably sleeved on the outer surfaces of the two first short rods (11), and the number of the second lifting claws (2) is two, the outer surface of one side of each of the two second lifting claws (2) is close to the center and is rotatably sleeved on the outer surface of the second fixing rod (5), the two second lifting claws (2) are located on the inner sides of the two first lifting claws (1), the center of the top of the second fixing rod (5) is fixedly provided with a second hydraulic cylinder (8) through bolts, the top of the second hydraulic cylinder (8) is welded with a connecting rod (9), the bottom of the connecting rod (9) is close to the edges of the two sides and is welded with two second connecting plates (20), the number of the second connecting plates (20) is four, a second short rod (21) is welded between the outer surfaces of one side of every two second connecting plates (20), the tops of the two second lifting claws (2) are rotatably sleeved on the outer surfaces of the two second short rods (21) respectively, and the bottoms of the two sides of the two second lifting claws (2) are provided with sliding grooves (15), the utility model discloses a hydraulic support for the automobile seat, including spout (15), every spout (15) are provided with four altogether the inside top surface of spout (15) all is fixed with third pneumatic cylinder (16) through the bolt, every slip quarter butt (17) have all been welded to the bottom of third pneumatic cylinder (16), every L type layer board (18) have all been welded to the bottom of slip quarter butt (17), four the bottom of L type layer board (18) extends to the outside of four spout (15) respectively.

2. The anti-drop hoist for civil engineering according to claim 1, characterized in that: the bottom ends of two sides of the first lifting claw (1) are fixed with clamping plates (12) through bolts, and the outer surface of one side of each clamping plate (12) is bonded with a first friction layer (13).

3. The anti-drop hoist for civil engineering according to claim 1, characterized in that: and second friction layers (19) are bonded on the upper surfaces of the four L-shaped supporting plates (18).

4. The anti-drop hoist for civil engineering according to claim 1, characterized in that: and the top of the second fixing rod (5) is close to the edges of two sides and is provided with a prompting lamp (6).

5. The anti-drop hoist for civil engineering according to claim 2, characterized in that: fixing plates (14) are welded between the outer surface of one side of each of the four clamping plates (12) and the outer surfaces of two sides of the two first lifting claws (1).

6. The anti-drop hoist for civil engineering according to claim 1, characterized in that: lifting lugs (7) are welded at the top of the second fixing rod (5) close to the edges of the two sides.