CN110885012A

CN110885012A - Swing arm crane with swing arm slewing device

Info

Publication number: CN110885012A
Application number: CN201911353703.1A
Authority: CN
Inventors: 彭春燕
Original assignee: Shenzhen Weijia Elevator Co Ltd
Current assignee: Shenzhen Weijia Elevator Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-03-17

Abstract

The invention discloses a swing arm crane with a swing arm slewing device, which comprises a base and a belt, wherein a supporting seat is arranged at the top of the base, an upright post is fixedly connected to the top of the supporting seat, a rotating arm is movably connected to the top of the upright post, an equipment box is fixedly connected to the left side of the base, a motor is fixedly connected to the left side of an inner cavity of the equipment box, a first threaded rod is fixedly connected to the right side of the output end of the motor, and a second threaded rod is movably connected to the left side of the inner cavity of the equipment box and is positioned at the rear side of the. The swing arm crane with the swing arm slewing device has the advantages of high practicability and is worthy of popularization.

Description

Swing arm crane with swing arm slewing device

Technical Field

The invention relates to the technical field of cranes, in particular to a swing arm crane with a swing arm slewing device.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, also called as a crown block, a navigation crane, a crane and the like, and a jib crane is also called as a jib crane, is a middle and small hoisting device developed in recent years, has unique structure, safety and reliability, has the characteristics of high efficiency, energy conservation, time and labor conservation, flexibility and the like, shows superiority in section distance and intensive transportation compared with other conventional hoisting devices, is widely used in different places of various industries, but the prior jib crane has poor practicability, the common jib crane is fixed at one place for use, the length of the jib crane is certain, and the stability of the crane is influenced if the jib is overlong, so the operable range of the jib crane is smaller, and the practicability of the jib crane is reduced because a mobile jib crane with a slide rail is not provided at present, is not favorable for use.

Disclosure of Invention

The invention aims to provide a swing arm crane with a swing arm slewing device, which has the advantage of high practicability and solves the problem of low practicability of the conventional swing arm crane.

In order to achieve the purpose, the invention provides the following technical scheme: a swing arm crane with a swing arm slewing device comprises a base and a belt, wherein a supporting seat is arranged at the top of the base, an upright post is fixedly connected at the top of the supporting seat, a rotating arm is movably connected at the top of the upright post, an equipment box is fixedly connected at the left side of the base, a motor is fixedly connected at the left side of an inner cavity of the equipment box, a first threaded rod is fixedly connected at the right side of the output end of the motor, a second threaded rod is movably connected at the left side of the inner cavity of the equipment box and at the rear side of the motor, a first belt disc is sleeved on the surface of the first threaded rod, a second belt disc is sleeved on the surface of the second threaded rod, the first belt disc and the second belt disc are connected through belt transmission, the right ends of the first threaded rod and the second threaded rod penetrate through the inner cavity of the base and are sleeved with two thread sleeves, the top of link runs through the base and with supporting seat fixed connection, the bottom of supporting seat just is located the equal fixedly connected with in front side and the rear side of base and removes the wheel.

Preferably, the connection part of the surface of the first threaded rod and the equipment box and the base is movably connected through a first bearing, and the connection part of the surface of the second threaded rod and the equipment box and the base is movably connected through a second bearing.

Preferably, the front side and the rear side at supporting seat top all are provided with the hand wheel, the bottom fixedly connected with third threaded rod of hand wheel, the bottom of third threaded rod runs through to the bottom and the fixedly connected with fixed plate of supporting seat, the screw hole that uses with the cooperation of third threaded rod is seted up at the top of supporting seat.

Preferably, the top of base is seted up with the opening that the link cooperation was used, the quantity of removing the wheel is four.

Preferably, the bottom of the threaded sleeve is fixedly connected with a sliding block, the bottom of the inner cavity of the base is provided with a sliding groove matched with the sliding block for use, and the bottom of the sliding block extends to the inner cavity of the sliding groove.

Compared with the prior art, the invention has the following beneficial effects:

1. the swing arm crane with the swing arm slewing device has the advantages of high practicability and is worthy of popularization.

2. According to the invention, the first belt pulley and the second belt pulley can be conveniently connected in a transmission manner by arranging the belt, the support seat can be conveniently moved by arranging the moving wheel, the third threaded rod can be conveniently rotated by arranging the hand wheel, the third threaded rod can be conveniently used by arranging the threaded hole, the connecting frame can be conveniently used by arranging the opening, and the moving range of the threaded sleeve can be limited by arranging the sliding block and the sliding groove.

Drawings

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

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a top cross-sectional view of the base and equipment cabinet of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 according to the present invention.

In the figure: 1. a base; 2. a supporting seat; 3. a column; 4. a rotating arm; 5. an equipment box; 6. a motor; 7. a first threaded rod; 8. a second threaded rod; 9. a first belt pulley; 10. a second belt reel; 11. a belt; 12. a threaded sleeve; 13. a connecting frame; 14. a moving wheel; 15. a hand wheel; 16. a third threaded rod; 17. a fixing plate; 18. a threaded hole; 19. an opening; 20. a slider; 21. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The base 1, the supporting seat 2, the upright column 3, the rotating arm 4, the equipment box 5, the motor 6, the first threaded rod 7, the second threaded rod 8, the first belt pulley 9, the second belt pulley 10, the belt 11, the threaded sleeve 12, the connecting frame 13 and the moving wheel 14 are all universal standard parts or parts known by technicians in the field, and the structure and the principle of the invention can be known by technicians or conventional experimental methods.

Referring to fig. 1-4, a jib crane with a jib slewing device comprises a base 1 and a belt 11, wherein a support seat 2 is arranged at the top of the base 1, an upright post 3 is fixedly connected to the top of the support seat 2, a rotating arm 4 is movably connected to the top of the upright post 3, an equipment box 5 is fixedly connected to the left side of the base 1, a motor 6 is fixedly connected to the left side of the inner cavity of the equipment box 5, a first threaded rod 7 is fixedly connected to the right side of the output end of the motor 6, a second threaded rod 8 is movably connected to the left side of the inner cavity of the equipment box 5 and is positioned at the rear side of the motor 6, a first belt pulley 9 is sleeved on the surface of the first threaded rod 7, a second belt pulley 10 is sleeved on the surface of the second threaded rod 8, the first belt pulley 9 and the second belt pulley 10 are in transmission connection through the belt 11, the right ends of the first threaded rod 7, the top of the threaded sleeve 12 is fixedly connected with a connecting frame 13, the top of the connecting frame 13 penetrates through the base 1 and is fixedly connected with the supporting seat 2, the bottom of the supporting seat 2 and positioned at the front side and the rear side of the base 1 are fixedly connected with moving wheels 14, the surface of the first threaded rod 7 is movably connected with the joints of the equipment box 5 and the base 1 through first bearings, the surface of the second threaded rod 8 is movably connected with the joints of the equipment box 5 and the base 1 through second bearings, the front side and the rear side of the top of the supporting seat 2 are respectively provided with a hand wheel 15, the bottom of the hand wheel 15 is fixedly connected with a third threaded rod 16, the bottom of the third threaded rod 16 penetrates through the bottom of the supporting seat 2 and is fixedly connected with a fixed plate 17, the top of the supporting seat 2 is provided with a threaded hole 18 matched with the third threaded rod 16 for use, the top of the base 1 is provided with an opening 19, bottom fixedly connected with slider 20 of thread bush 12, the spout 21 that uses with slider 20 cooperation is seted up to the bottom of base 1 inner chamber, the bottom of slider 20 extends to the inner chamber of spout 21, through setting up belt 11, can make things convenient for the transmission of first belt pulley 9 and second belt pulley 10 to be connected, through setting up removal wheel 14, can make things convenient for the removal of supporting seat 2, through setting up hand wheel 15, can make things convenient for third threaded rod 16 to rotate, through setting up screw hole 18, can make things convenient for the use of third threaded rod 16, through setting up opening 19, can make things convenient for the use of link 13, through setting up slider 20 and spout 21, can restrict the range of movement of thread bush 12, through setting up base 1, supporting seat 2, stand 3, swinging boom 4, equipment box 5, motor 6, first threaded rod 7, second threaded rod 8, first belt pulley 9, second belt pulley 10, The belt 11, the thread bush 12, the connecting frame 13 and the moving wheel 14 solve the problem that the practicability of the existing swing arm crane is lower, and the swing arm crane with the swing arm slewing device has the advantage of high practicability and is worth popularizing.

During the use, user control motor 6 moves, motor 6 output drives first threaded rod 7 and rotates, first threaded rod 7 is through first belt pulley 9, belt 11 and second belt pulley 10's cooperation drives second threaded rod 8 and rotates, first threaded rod 7 and second threaded rod 8 rotate and can drive thread bush 12 and remove, thread bush 12 drives supporting seat 2 through the cooperation of link 13 and removes, supporting seat 2 drives stand 3 and swinging boom 4 and removes, with this position that can adjust whole hoist, improve the operating range of hoist.

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. A jib crane with jib slewing device, comprising a base (1) and a belt (11), characterized in that: the top of the base (1) is provided with a supporting seat (2), the top of the supporting seat (2) is fixedly connected with an upright post (3), the top of the upright post (3) is movably connected with a rotating arm (4), the left side of the base (1) is fixedly connected with an equipment box (5), the left side of the inner cavity of the equipment box (5) is fixedly connected with a motor (6), the right side of the output end of the motor (6) is fixedly connected with a first threaded rod (7), the left side of the inner cavity of the equipment box (5) is movably connected with a second threaded rod (8) at the rear side of the motor (6), the surface of the first threaded rod (7) is sleeved with a first belt pulley (9), the surface of the second threaded rod (8) is sleeved with a second belt pulley (10), and the first belt pulley (9) and the second belt pulley (10) are in transmission connection through a belt, the right-hand member of first threaded rod (7) and second threaded rod (8) all runs through to the inner chamber of base (1) and the cover is equipped with two thread bush (12), the top fixedly connected with link (13) of thread bush (12), the top of link (13) run through base (1) and with supporting seat (2) fixed connection, the bottom of supporting seat (2) just is located the front side of base (1) and the equal fixedly connected with in rear side and removes wheel (14).

2. A swing arm crane having a swing arm turning device according to claim 1, wherein: the surface of the first threaded rod (7) is movably connected with the joint of the equipment box (5) and the base (1) through a first bearing, and the surface of the second threaded rod (8) is movably connected with the joint of the equipment box (5) and the base (1) through a second bearing.

3. A swing arm crane having a swing arm turning device according to claim 1, wherein: the front side and the rear side at supporting seat (2) top all are provided with hand wheel (15), the bottom fixedly connected with third threaded rod (16) of hand wheel (15), the bottom of third threaded rod (16) is run through to the bottom of supporting seat (2) and fixedly connected with fixed plate (17), screw hole (18) of using with third threaded rod (16) cooperation are seted up at the top of supporting seat (2).

4. A swing arm crane having a swing arm turning device according to claim 1, wherein: the top of base (1) is seted up and is used with link (13) cooperation opening (19), the quantity of removing wheel (14) is four.

5. A swing arm crane having a swing arm turning device according to claim 1, wherein: the bottom fixedly connected with slider (20) of thread bush (12), spout (21) that use with slider (20) cooperation are seted up to the bottom of base (1) inner chamber, the bottom of slider (20) extends to the inner chamber of spout (21).