CN111792528A

CN111792528A - Simple crane

Info

Publication number: CN111792528A
Application number: CN202010667570.1A
Authority: CN
Inventors: 殷少锋; 陈宋铭; 梁园; 邵云久; 许永斌
Original assignee: Anhui Xiongfeng Crane Co ltd
Current assignee: Anhui Xiongfeng Crane Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-10-20

Abstract

The invention discloses a simple crane, which comprises a hoisting cross arm and a supporting arm, wherein a base is arranged in a hollow structure of the hoisting cross arm, a winch is fixedly arranged on the base, a second motor is fixedly arranged at one end of the hoisting cross arm, the driving end of the second motor is connected with a threaded rod, the threaded rod is positioned in the hoisting cross arm and is in threaded connection with the base, a brake block is slidably arranged at the lower end of the hoisting cross arm, the brake block is in a trapezoidal structure, a rope hole is formed in the brake block, and the brake block is positioned below the winch; the invention can supply new lifted articles more time-saving and labor-saving, can share the weight of the goods on the ground more widely through the matching of the cargo flow track and the objective table, prevents the damage to the ground when the overweight goods are unloaded on the ground, can splice and disassemble the cargo flow track according to the actual use requirement so as to change the length, and can play a certain role of preventing rope from swaying by the brake plate, thereby reducing the swing amplitude of the goods more safely and reliably.

Description

Simple crane

Technical Field

The invention belongs to the technical field of cranes, and particularly relates to a simple crane.

Background

The crane has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in a working cycle work alternately, the crane is developed and used more and more widely in the market, the crane has higher running speed than a crawler crane (crawler crane) due to frequent accidents caused by hoisting and hoisting without supporting legs, the crane has stable operation and large hoisting capacity, can hoist and run in a specific range and forbid long-distance running with load, and in order to ensure the operation safety, the crane basically forbids hoisting operation without driving the supporting legs at present domestically, the crane is matched with steel wire ropes of which the varieties comprise phosphated coating steel wire ropes, galvanized steel wire ropes and steel wire rope polished surfaces, and mainly comprises a hoisting mechanism, a running mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like, wherein the hoisting mechanism is a basic working mechanism of the crane and mainly comprises a hoisting system and a winch, the crane also comprises a hydraulic system for lifting and lowering heavy objects, an operating mechanism for longitudinally and horizontally moving the heavy objects or adjusting the working position of the crane is generally composed of a motor, a reducer, a brake and wheels, an amplitude changing mechanism is only arranged on the jib type crane, the amplitude of the jib is reduced when the jib is lifted up, the amplitude of the jib is increased when the jib is lifted down, the jib is divided into balanced amplitude changing and unbalanced amplitude changing, a slewing mechanism is used for enabling the jib to slew and consists of a driving device and a slewing bearing device, a metal structure is a framework of the crane, and a main bearing part such as a bridge, the jib and the portal can be of a box structure or a truss structure or a web structure, and some steel sections can be used as.

The existing crane has certain disadvantages in the using process, has certain cargo shaking problem in the lifting and moving process, increases potential safety hazards, and needs manpower to continuously move the position of the cargo again when the cargo is lifted in succession.

Disclosure of Invention

The invention aims to provide a simple crane, which mainly solves the following technical problems:

1) in the process of hoisting and moving, certain goods shake exists, so that potential safety hazards are increased;

2) when the goods are hoisted successively, the position of the goods needs to be moved again continuously by manpower, which is time-consuming and labor-consuming.

The purpose of the invention can be realized by the following technical scheme:

a simple crane comprises a hoisting cross arm and a supporting arm, wherein a base is arranged in the hoisting cross arm which is a hollow structure, a winch is fixedly arranged on the base, a second motor is fixedly arranged at one end of the hoisting cross arm, a driving end of the second motor is connected with a threaded rod, the threaded rod is positioned in the hoisting cross arm and is in threaded connection with the base, a brake block is slidably arranged at the lower end of the hoisting cross arm, the brake block is of a trapezoidal structure and is provided with a rope hole, the brake block is positioned below the winch, a rope is wound on the winch and falls downwards through the rope hole in the brake block, a transverse moving port is formed in the surface of the hoisting cross arm, the hoisting cross arm is rotatably connected with the supporting arm, the lower end of the supporting arm is fixedly connected with a bearing base, and a cargo flow track is spliced at one end of the bearing base, and a loading vehicle mechanism is arranged on the goods flow track in a sliding way.

As a further scheme of the invention: the carrier mechanism comprises a carrier table, rollers and a handle, wherein the handle is fixedly mounted on the carrier table, and the rollers are mounted at the central positions of the lower end surface of the carrier table in two numbers.

As a further scheme of the invention: the tail end of the rope is fixedly connected with a loading hook.

As a further scheme of the invention: the goods flow rail and the bearing base are provided with splicing grooves, the goods flow rail is further provided with grooves, one end of the goods flow rail comprises splicing blocks, and the splicing blocks are matched with the splicing grooves in shape and size.

As a further scheme of the invention: the objective table is slidably mounted in the groove of the cargo flow track through the roller.

As a further scheme of the invention: the tooth connecting rod on the hoisting cross arm extends into the supporting arm, the supporting arm is provided with a first motor, the driving end of the first motor is connected with a gear, and the first motor is in meshed connection with the tooth connecting rod on the hoisting cross arm through the gear.

The invention has the beneficial effects that:

1. when the goods lifts by crane once more after unloading, can flow other objective tables on the track with the goods and remove to the below, lift by crane once more, make things convenient for the operation of lifting by crane, new lifting by crane article in the supply that can labour saving and time saving more, through the cooperation of goods flow track and objective table, can be with the more wide sharing of weight of goods subaerially, produce the damage to ground when preventing overweight goods to uninstall subaerially, and the orbital both ends of goods flow are provided with concatenation piece and splice groove respectively, can splice according to the in-service use demand, thereby dismantle change length, convenient and fast more.

2. The rope on the hoist engine falls downwards through the rope hole on the brake block, and the brake block and the hoisting cross arm are installed in a sliding mode, so that the brake block is driven to move when the rope moves transversely, and the brake block can play a certain role in preventing the rope from swaying because one part of the rope is located in the brake block, and the swing of the goods is reduced, so that the hoist engine is safer and more reliable.

Drawings

The invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is an elevation view of the cargo flow track of the present invention.

Fig. 3 is a top view of the cargo flow track of the present invention.

In the figure: 1. a load-bearing base; 2. a support arm; 3. a first motor; 4. a second motor; 5. a base; 6. a winch; 7. hoisting and loading cross arms; 8. a brake plate; 9. a rope; 10. a loading hook; 11. a cargo flow track; 12. an object stage; 13. a roller; 14. a handle; 15. a groove; 16. splicing blocks; 17. and (6) splicing the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.

As shown in fig. 1-3, a simple crane comprises a hanging cross arm 7 and a supporting arm 2, wherein the hanging cross arm 7 is a hollow structure, a base 5 is arranged inside the hollow structure, a winch 6 is fixedly arranged on the base 5, a second motor 4 is fixedly arranged at one end of the hanging cross arm 7, a driving end of the second motor 4 is connected with a threaded rod, the threaded rod is positioned in the hanging cross arm 7 and is in threaded connection with the base 5, a brake block 8 is slidably arranged at the lower end of the hanging cross arm 7, the brake block 8 is of a trapezoidal structure, a rope hole is formed in the brake block 8, the brake block 8 is positioned below the winch 6, a rope 9 is wound on the winch 6, the rope 9 falls downwards through the rope hole in the brake block 8, a transverse moving port is formed in the surface of the hanging cross arm 7, the hanging cross arm 7 is rotatably connected with the supporting arm 2, and a bearing base 1 is fixedly connected with the, a cargo flow rail 11 is installed at one end of the bearing base 1 in a splicing mode, and a cargo vehicle mechanism is installed on the cargo flow rail 11 in a sliding mode.

The carrier mechanism comprises a carrier 12, rollers 13 and a handle 14, wherein the handle 14 is fixedly arranged on the carrier 12, and the two rollers 13 are arranged at the central position of the lower end surface of the carrier 12; the tail end of the rope 9 is fixedly connected with a loading hook 10; splicing grooves 17 are formed in the goods flow rail 11 and the bearing base 1, a groove 15 is further formed in the goods flow rail 11, one end of the goods flow rail 11 comprises a splicing block 16, and the splicing block 16 is matched with the splicing grooves 17 in shape and size; the object stage 12 is slidably mounted in a groove 15 of the cargo flow rail 11 through a roller 13; the tooth connecting rod on the hoisting cross arm 7 extends into the supporting arm 2, the supporting arm 2 is provided with a first motor 3, the driving end of the first motor 3 is connected with a gear, and the first motor 3 is meshed and connected with the tooth connecting rod on the hoisting cross arm 7 through the gear.

The working principle of the simple crane is as follows: when the hoisting device works, goods to be hoisted are placed on each object stage 12, the rope 9 is driven by the hoist 6 to fall downwards, the object stages 12 are pushed to the lower part of the rope 9, the goods on the object stages 12 are hung by the object hanging hooks 10, the rope 9 is driven by the hoist 6 to move upwards, the base on the hoist 6 is in threaded connection with the driving end of the second motor 4, the second motor 4 rotates to control the transverse displacement of the hoist 6 so as to meet different hoisting requirements, the hoisting cross arm 7 is also in meshed connection with the driving end of the first motor 3, the hoisting cross arm 7 is driven by the first motor 3 to rotate so as to change the direction, when the goods are hoisted again after being unloaded, other object stages 12 on the goods flow rail 11 can be moved to the lower part and hoisted again, the hoisting operation of the crane is convenient, new hoisted goods can be supplied more time-saving and labor-saving, and the goods flow rail 11 is matched with the object stages 12, can be with the wider sharing of the weight of goods subaerial, produce the damage to ground when preventing that overweight goods from uninstalling subaerial, and the both ends of commodity circulation track 11 are provided with splice 16 and splice groove 17 respectively, can splice according to the in-service use demand, thereby dismantle change length, convenient and fast more, rope 9 on hoist engine 6 passes through the rope hole on the brake plate 8 and descends, and brake plate 8 and the sliding installation of suspension load xarm 7, drive brake plate 8 and remove when rope 9 lateral shifting, because rope 9 partly is located brake plate 8, brake plate 8 can play certain effect of preventing rope 9 from rocking, it is safe and reliable more to reduce the amplitude of oscillation of goods.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

Claims

1. The simple crane is characterized by comprising a hoisting cross arm (7) and a support arm (2), wherein the hoisting cross arm (7) is provided with a base (5) inside a hollow structure, a winch (6) is fixedly mounted on the base (5), one end of the hoisting cross arm (7) is fixedly mounted with a second motor (4), the driving end of the second motor (4) is connected with a threaded rod, the threaded rod is positioned in the hoisting cross arm (7) and is in threaded connection with the base (5), a brake block (8) is slidably mounted at the lower end of the hoisting cross arm (7), the brake block (8) is of a trapezoidal structure, a rope hole is formed in the brake block (8), the brake block (8) is positioned below the winch (6), a rope (9) is wound on the winch (6), and the rope (9) falls downwards through the rope hole in the brake block (8), the surface of the hoisting cross arm (7) is provided with a transverse moving port, the hoisting cross arm (7) is rotatably connected with the supporting arm (2), the lower end of the supporting arm (2) is fixedly connected with the bearing base (1), one end of the bearing base (1) is spliced and provided with a cargo flow track (11), and the cargo flow track (11) is slidably provided with a cargo carrying vehicle mechanism.

2. The simple crane according to claim 1, wherein the carrier mechanism comprises a carrier (12), two rollers (13) and two handles (14), and the handles (14) are fixedly mounted on the carrier (12), and the two rollers (13) are mounted at the central position of the lower end surface of the carrier (12).

3. A simple crane according to claim 1, characterized in that the end of the rope (9) is fixedly connected with a load hook (10).

4. The simple crane according to claim 1, wherein the cargo flow rail (11) and the load-bearing base (1) are provided with splicing grooves (17), the cargo flow rail (11) is further provided with grooves (15), one end of the cargo flow rail (11) comprises splicing blocks (16), and the splicing blocks (16) are matched with the splicing grooves (17) in shape and size.

5. A simple crane according to claim 4, characterized in that the object carrier (12) is mounted by means of rollers (13) in a sliding manner in recesses (15) in the flow path (11).

6. The simple crane according to claim 1, wherein the tooth extension rod of the lifting cross arm (7) extends into the support arm (2), the support arm (2) is provided with a first motor (3), the drive end of the first motor (3) is connected with a gear, and the first motor (3) is meshed with the tooth extension rod of the lifting cross arm (7) through the gear.