Lifting appliance for crane

Abstract

The utility model discloses a lifting appliance for a crane, which comprises a lifting frame, optical shafts, bolt columns and lifting arms, and is characterized in that the lifting frame is fixedly connected with two lifting arms, the two lifting arms are respectively connected with a first optical shaft and a second optical shaft in a sliding manner, one end of the first optical shaft is fixedly connected with a sliding rod, and one end of the second optical shaft is provided with a circular groove; the sliding rod is slidably connected into the groove of the second optical shaft. The pipeline lifting device has the advantages that the two optical shafts are connected to support a pipeline, the pipeline can be prevented from deforming after being lifted, the bolt columns fix the positions of the optical shafts, the pipeline is prevented from falling off, safety is high, and grabbing and unloading are easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane technical field, concretely relates to a crane hoist. BACKGROUND

[0002] The crane refers to the vertical lifting and horizontal transport heavy goods in a certain range multi-action hoisting machinery. Also called the overhead crane, the aviation crane, the crane, the crane refers to the device of hoisting heavy objects. The most commonly used hoist for hoisting parts is the lifting hook, the lifting belt, and other lifting rings, hoisting suction cups, tongs and forks. Widely used in hoisting industry, so at present in the working process of the crane, in order to facilitate the lifting of the object usually need to cooperate with the hoist.

[0003] For the related technology in the above, the current crane hoist in the process of use, although can cooperate with the crane to complete the lifting work, but when hoisting the pipeline, the length is shorter and the thickness is thicker, the pipeline can be conveniently lifted, but part of the length is longer and the thickness is thinner, it is difficult to realize stable hoisting, the prior art through the hook and some clamping claws, when hoisting, it is easy to cause the pipe inside and the middle part of the pipe body to appear serious deformation when lifting, this kind of situation is easy to cause the pipe to fall off and serious deformation and damage, and the high value pipe appears serious deformation or damage, which will cause high economic loss, at the same time, affect the subsequent use of the pipe, there are problems. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects in the prior art, the utility model provides a crane hoist to solve the existing problems.

[0005] The utility model is realized through the following technical schemes: a crane hoist, including the hanger, the optical axis, the peg column and the lifting arm, its characterized in that: two lifting arms are fixedly connected on the hanger, a first optical axis and a second optical axis are respectively slidably connected on the two lifting arms, a sliding rod is fixedly connected at one end of the first optical axis, a circular groove is formed at one end of the second optical axis, and the sliding rod is slidably connected in the groove of the second optical axis.

[0006] Preferably, two sliding seats are slidably connected on the hanger, a pull rod is fixedly connected at the bottom of the sliding seat, a sliding ring is fixedly connected at the bottom of the pull rod, and the first optical axis and the second optical axis are respectively slidably connected on the two sliding rings.

[0007] Preferably, the first optical axis and the second optical axis are both fixedly connected with sliding blocks, the sliding blocks are slidably connected in the lifting arm and the sliding ring.

[0008] Preferably, two mounting seats are fixedly connected on the lifting arm, one end of a spring is fixedly connected at the bottom of the mounting seat, the other end of the spring is fixedly connected with an adapter ring, the peg column is fixedly connected in the adapter ring, the peg column passes through the inner ring of the spring without contacting the spring, and the peg column is slidably connected in the mounting seat.

[0009] Preferably, a plurality of through holes are formed on the first and second optical axes, and the two pegs are respectively slidably connected in the through holes of the first and second optical axes.

[0010] Preferably, a hanger is fixedly connected with a lifting ring, and a bolt is threadedly connected with the sliding seat.

[0011] The present application has the advantages that the two optical axes are connected to support the pipeline, the pipeline is prevented from deforming after being lifted, the pegs fix the positions of the optical axes, the pipeline is prevented from falling off, the safety is high, and the pipeline is easy to be grabbed and unloaded. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0013] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0014] Figure 2 It is the present application Figure 1 It is an enlarged view of the structure at A in the present application;

[0015] Figure 3 It is a schematic diagram of the left view structure of the present application;

[0016] Figure 4 It is the present application Figure 3 It is a sectional view at B-B in the present application.

[0017] In the drawings, 1 is a hanger, 2 is a lifting ring, 3 is a bolt, 4 is a sliding seat, 5 is a lifting arm, 6 is a peg, 7 is a mounting seat, 8 is a first optical axis, 9 is a sliding rod, 10 is a second optical axis, 11 is a pull rod, 12 is a sliding ring, 13 is a spring, 14 is an adapter ring, and 15 is a sliding block. DETAILED DESCRIPTION

[0018] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many different ways other than those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0019] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where, when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can also be present.

[0020] For ease of description, spatially relative terms, such as "upper", "lower", "left", "right", and the like, can be used herein for the purpose of illustrating one element or feature's relationship to another element or feature, as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation, in addition to the orientation depicted in the figures. For example, if a device is inverted, elements described as being "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The terms "attached" and "connected" and "coupled" are used interchangeably herein to generally refer to the connection of two members, directly or indirectly, with or without intervening materials, unless otherwise indicated.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. All publications, patent applications, patents, and other references mentioned herein are incorporated by reference in their entirety.

[0022] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific implementation of the present application is described in detail below with specific embodiments. As shown in the drawings Figures 1-4 The utility model discloses a kind of lifting appliances for crane, including hanger 1, optical axis, peg 6 and lifting arm 5, it is characterized by: two lifting arms 5 are fixedly connected on the hanger 1, first optical axis 8 and second optical axis 10 are respectively slidably connected on two lifting arms 5, first optical axis 8 one end is fixedly connected with slide bar 9, second optical axis 10 one end is provided with circular recess, and the slide bar 9 is slidably connected in the recess of second optical axis 10.

[0023] Two slide seats 4 are slidably connected on hanger 1, slide seat 4 bottom is fixedly connected with pull rod 11, pull rod 11 bottom is fixedly connected with slip ring 12, two slip rings 12 are respectively slidably connected with first optical axis 8 and second optical axis 10.

[0024] First optical axis 8 and second optical axis 10 are all fixedly connected with sliding block 15, sliding block 15 is slidably connected in lifting arm 5, and sliding block 15 is slidably connected in slip ring 12.

[0025] Two mounting seats 7 are fixedly connected on lifting arm 5, mounting seat 7 bottom is fixedly connected with one end of spring 13, the other end of spring 13 is fixedly connected with adapter ring 14, adapter ring 14 is fixedly connected with peg 6 in, peg 6 passes through the inner ring of spring 13 and does not contact with spring 13, and peg 6 is slidably connected in mounting seat 7.

[0026] The first optical axis 8 and the second optical axis 10 are provided with a plurality of through holes, and the two bolts 6 are respectively slidably connected in the through holes of the first optical axis 8 and the second optical axis 10.

[0027] The hanger 1 is fixedly connected with the lifting ring 2, and the sliding seat 4 is threadedly connected with the bolt 3.

[0028] The working principle of the utility model is as follows: according to the length of the hoisted pipeline, the distance between the two sliding seats 4 is adjusted, the sliding seat 4 is fixed after being adjusted, the lifting appliance is moved to the pipeline, the two bolts 6 are pulled up, the first optical axis 8 and the second optical axis 10 are respectively inserted from both ends of the pipeline, the slide rod 9 is inserted into the groove of the second optical axis 10, the position of the first optical axis 8 and the second optical axis 10 is adjusted according to the position of the through hole on the optical axis, the bolt 6 is inserted into the through hole of the optical axis under the elastic force of the spring 13, the clamping of the pipeline is completed, the hoisting can be carried out, the first optical axis 8 and the second optical axis 10 support the pipeline, the deformation of the pipeline can be prevented, meanwhile, the optical axis is clamped by the bolt 6, and the optical axis cannot be displaced.

[0029] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should be covered in the scope of the claims and the specification of the utility model.

Claims

1. A lifting device for a crane, comprising a lifting frame (1), a guide shaft, a bolt (6), and a boom (5), characterized in that: Two booms (5) are fixedly connected to the hanger (1). The first optical axis (8) and the second optical axis (10) are slidably connected to the two booms (5). One end of the first optical axis (8) is fixedly connected to a slide rod (9). One end of the second optical axis (10) is provided with a circular groove. The slide rod (9) is slidably connected in the groove of the second optical axis (10).

2. A lifting device for a crane according to claim 1, characterized in that: The hanger (1) is slidably connected to two slide blocks (4), the bottom of the slide blocks (4) is fixedly connected to a pull rod (11), the bottom of the pull rod (11) is fixedly connected to a slip ring (12), and the two slip rings (12) are slidably connected to the first optical axis (8) and the second optical axis (10) respectively.

3. A lifting device for a crane according to claim 2, characterized in that: Slider (15) is fixedly connected to both the first optical axis (8) and the second optical axis (10). The slider (15) is slidably connected inside the boom (5) and the slider (15) is slidably connected inside the slip ring (12).

4. A lifting device for a crane according to claim 1, characterized in that: Two mounting seats (7) are fixedly connected to the boom (5). One end of a spring (13) is fixedly connected to the bottom of the mounting seat (7), and the other end of the spring (13) is fixedly connected to a transition ring (14). A bolt (6) is fixedly connected inside the transition ring (14). The bolt (6) passes through the inner ring of the spring (13) and does not contact the spring (13). The bolt (6) is slidably connected inside the mounting seat (7).

5. A lifting device for a crane according to claim 4, characterized in that: The first optical axis (8) and the second optical axis (10) are provided with several through holes, and the two bolts (6) are slidably connected in the through holes of the first optical axis (8) and the second optical axis (10).

6. A lifting device for a crane according to claim 2, characterized in that: The hanging bracket (1) is fixedly connected to the lifting ring (2), and the sliding block (4) is threadedly connected to the bolt (3).

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