CN211254999U

CN211254999U - Adjustable crane portal frame

Info

Publication number: CN211254999U
Application number: CN201922227832.8U
Authority: CN
Inventors: 李小伟
Original assignee: Smf Heavy Industry Suzhou Co ltd
Current assignee: Smf Heavy Industry Suzhou Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-14
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a belong to lift portal technical field, specifically be an adjustable crane portal, including two backup pads that the left and right sides symmetry set up, two the bottom between the backup pad transversely is provided with the lower carriage, the both ends of lower carriage pass through the bolt respectively with the backup pad fixed connection of both sides, two the upside front and back sides of backup pad all are provided with the upper bracket, the left and right ends of upper bracket, lower carriage all are provided with limit baffle, the limit baffle outside on the upper bracket is provided with connecting screw, through the cooperation between spacing groove, connecting screw and the spacing swivel nut, can adjust the position of upper bracket to can be applicable to the work of different altitude environment; through sideslip motor drive lead screw rotation, the use of swivel nut in the cooperation can carry out the horizontal drive regulation to interior swivel nut, and the electric hoist of hoist is connected on interior swivel nut to the convenience is to the position horizontal adjustment of electric hoist.

Description

Adjustable crane portal frame

Technical Field

The utility model relates to a machine portal technical field specifically is a crane portal with adjustable.

Background

With the rapid development of science and technology, people invent more and more instruments to replace manpower, so that the operation is more convenient, and the efficiency is greatly improved.

The crane is a common engineering device for lifting, descending and transferring a heavy object to a designated position, has efficiency and precision which are difficult to achieve by manpower, and the electric hoist crane is classified into one type, has the characteristics of small volume, light dead weight and the like, and is more popular in some scenes with smaller space.

The hoist cooperates the portal to use usually, and different service environment needs different portals to support, and current portal is inconvenient regulation usually, or the control range is less, is difficult to use in multiple in service behavior to need different crane portal under the environment of difference.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a crane portal with adjustable to solve the hoist that proposes in the above-mentioned background art and cooperate the portal to use usually, different service environment needs different portals to support, and current portal is inconvenient regulation usually, and perhaps the control range is less, is difficult to use in multiple in service behavior, thereby needs different crane portal's problem under the environment of difference.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable gantry of a crane comprises two support plates which are symmetrically arranged on the left and the right, a lower support frame is transversely arranged at the bottom between the two support plates, the two ends of the lower support frame are respectively and fixedly connected with the support plates on the two sides through bolts, the front and the back sides of the upper sides of the two support plates are respectively provided with an upper support frame, the left and the right ends of the upper support frame and the lower support frame are respectively provided with a limit baffle, the outer side of the limit baffle on the upper support frame is provided with two rows of limit grooves, the upper sides of the support plates are longitudinally and uniformly provided with two rows of limit grooves which are communicated with each other, the limit grooves correspond to the positions of the connecting screws, the connecting screws penetrate through the limit grooves, limit thread sleeves are screwed on the connecting screws, the outer walls of the limit thread sleeves are attached to the inner walls of the limit grooves, the lead screw is transversely installed between the connecting plates at two ends, an inner threaded sleeve is sleeved on the outer wall of the lead screw, a transverse moving motor is installed on the right side wall of the connecting plate on the right side through a motor support, and an output shaft of the transverse moving motor is connected with the right end of the lead screw through a coupler.

Preferably, the upper support frame and the lower support frame have the same length.

Preferably, the support plate, the upper support frame and the lower support frame are all of stainless steel structures.

Preferably, the front end and the rear end of the inner threaded sleeve are both connected with sliding blocks, the side walls of the upper supporting frames on the two sides are both provided with sliding rails, and the sliding blocks are supported on the sliding rails.

Preferably, the bottom end of the supporting plate is provided with supporting feet.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the position of the upper support frame can be adjusted through the matching action among the limiting groove, the connecting screw rod and the limiting screw sleeve, so that the upper support frame can be suitable for working in environments with different heights;

2) through sideslip motor drive lead screw rotation, the use of swivel nut in the cooperation can carry out the horizontal drive regulation to interior swivel nut, and the electric hoist of hoist is connected on interior swivel nut to the convenience is to the position horizontal adjustment of electric hoist.

Drawings

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

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

fig. 3 is a top view of the support plate of the present invention;

fig. 4 is a schematic structural view of the connecting screw rod and the limiting screw sleeve of the present invention.

In the figure: the device comprises a supporting plate 1, an upper supporting frame 2, a limiting baffle 3, a connecting screw rod 4, a limiting screw sleeve 5, a limiting groove 6, a lower supporting frame 7, a connecting plate 8, a lead screw 9, an inner screw sleeve 10, a sliding block 11, a sliding rail 12 and a transverse moving motor 13.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: an adjustable gantry of a crane comprises two supporting plates 1 which are symmetrically arranged on the left side and the right side, a lower supporting frame 7 is transversely arranged at the bottom between the two supporting plates 1, two ends of the lower supporting frame 7 are fixedly connected with the supporting plates 1 on the two sides respectively through bolts, upper supporting frames 2 are arranged on the front side and the rear side of the upper sides of the two supporting plates 1, the lower supporting frame 7 plays a role in connecting and reinforcing the two supporting plates 1, and the upper supporting frame 2 is used for mounting an electric hoist and can play a role in reinforcing the connection between the two supporting plates 1;

the left end and the right end of the upper support frame 2 and the lower support frame 7 are both provided with a limit baffle 3, the outer side of the limit baffle 3 on the upper support frame 2 is provided with a connecting screw rod 4, the upper side in the support plate 1 is longitudinally and uniformly provided with two rows of limit grooves 6, each row of limit grooves 6 are mutually communicated, the limit grooves 6 correspond to the positions of the connecting screw rod 4, the connecting screw rod 4 penetrates through the limit grooves 6, the upper screw of the connecting screw rod 4 is screwed with limit screw sleeves 5, the outer walls of the limit screw sleeves 5 are jointed with the inner walls of the limit grooves 6, when the height of the upper support frame 2 is adjusted, the limit screw sleeves 5 are unscrewed from the connecting screw rod 4, so that the limit screw sleeves 5 are separated from the limit grooves 6, the connecting screw rod 4 can pass through the communication positions between the two adjacent limit grooves 6, so that the positions of the connecting screw rods 4 in the limit grooves 6 can be adjusted after the limit screw, the positions of the two upper supporting frames 2 are adjusted to be consistent, so that the whole body is horizontal;

the end all is provided with connecting plate 8 about between the upper bracket 2 of both sides, transversely install lead screw 9 between the connecting plate 8 at both ends, swivel nut 10 in having cup jointed on lead screw 9's the outer wall, install sideslip motor 13 through motor support on the right side wall of connecting plate 8 on right side, sideslip motor 13's output shaft passes through the shaft coupling and is connected with the right-hand member of lead screw 9, sideslip motor 13 drives lead screw 9 and rotates, lead screw 9 rotates internal swivel nut 10 relatively, can make interior swivel nut 10 remove relative to lead screw 9.

The length of the upper support frame 2 and the length of the lower support frame 7 are the same.

The supporting plate 1, the upper supporting frame 2 and the lower supporting frame 7 are all made of stainless steel structures.

The front end and the rear end of the inner threaded sleeve 10 are both connected with sliding blocks 11, the side walls of the upper supporting frames 2 on the two sides are provided with sliding rails 12, the sliding blocks 11 are supported on the sliding rails 12, and the inner threaded sleeve 10 cannot rotate along with the lead screw 9 through the matching effect of the sliding blocks 11 and the sliding rails 12.

The bottom of the supporting plate 1 is provided with supporting legs, so that the supporting plate 1 is stably supported and can be well supported on uneven ground.

The working principle is as follows: when the height of the upper support frame 2 is adjusted, the limiting screw sleeve 5 is unscrewed, so that the limiting screw sleeve 5 is separated from the limiting groove 6 (the outer wall of the limiting screw sleeve 5 and the inner wall of the limiting groove 6 are both arranged in a circular shape, the limiting screw sleeve 5 is clamped in the limiting groove 6, the upper support frame 2 cannot descend from the support plate 1, and the effect of limiting the position is achieved);

the transverse moving motor 13 drives the screw rod 9 to rotate, under the action of the sliding block 11, the inner threaded sleeve 10 can only transversely move relative to the sliding rail 12, the screw rod 9 rotates relative to the inner threaded sleeve 10, the inner threaded sleeve 10 transversely moves on the screw rod 9, the electric hoist is installed on the inner threaded sleeve 10, and then the electric hoist can be transversely adjusted.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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. The utility model provides a hoist portal with adjustable, includes two backup pads (1) that left and right sides symmetry set up, two bottom between backup pad (1) transversely is provided with undersetting frame (7), the both ends of undersetting frame (7) pass through the bolt respectively with backup pad (1) fixed connection of both sides, two the upside front and back side of backup pad (1) all is provided with upper bracket frame (2), its characterized in that: the left end and the right end of the upper supporting frame (2) and the lower supporting frame (7) are respectively provided with a limiting baffle (3), the outer side of the limiting baffle (3) on the upper supporting frame (2) is provided with a connecting screw rod (4), two rows of limiting grooves (6) are longitudinally and uniformly arranged on the upper side in the supporting plate (1), each row of limiting grooves (6) are communicated with each other, the limiting grooves (6) correspond to the connecting screw rods (4), the connecting screw rods (4) penetrate through the limiting grooves (6), limiting thread sleeves (5) are screwed on the connecting screw rods (4), the outer walls of the limiting thread sleeves (5) are attached to the inner walls of the limiting grooves (6), the left end and the right end between the upper supporting frames (2) on two sides are respectively provided with a connecting plate (8), a lead screw (9) is transversely arranged between the connecting plates (8) on two ends, and inner thread sleeves (10) are sleeved on the outer walls of, a transverse moving motor (13) is mounted on the right side wall of the connecting plate (8) on the right side through a motor support, and an output shaft of the transverse moving motor (13) is connected with the right end of the lead screw (9) through a coupler.

2. An adjustable crane mast as claimed in claim 1, wherein: the lengths of the upper support frame (2) and the lower support frame (7) are the same.

3. An adjustable crane mast as claimed in claim 1, wherein: the support plate (1), the upper support frame (2) and the lower support frame (7) are all of stainless steel structures.

4. An adjustable crane mast as claimed in claim 1, wherein: the front end and the rear end of the inner threaded sleeve (10) are both connected with sliding blocks (11), the side walls of the upper supporting frames (2) on the two sides are both provided with sliding rails (12), and the sliding blocks (11) are supported on the sliding rails (12).

5. An adjustable crane mast as claimed in claim 1, wherein: the bottom end of the supporting plate (1) is provided with supporting legs.