CN115611169A

CN115611169A - Electric hoist bridge crane

Info

Publication number: CN115611169A
Application number: CN202211629634.4A
Authority: CN
Inventors: 姬宏贇; 石保顺; 李�杰; 司长培; 卢朝卿
Original assignee: Henan Mine Crane Co Ltd
Current assignee: Henan Mine Crane Co Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-01-17
Anticipated expiration: 2042-12-19
Also published as: CN115611169B

Abstract

The invention discloses an electric hoist bridge crane, which comprises a support, a driving assembly, a connecting assembly and a hoisting assembly, wherein the support comprises a cross beam and stand columns for supporting two ends of the cross beam, the driving assembly comprises a base, a roller group, a driving part and bearing mounting seats, two ends of the roller group are respectively mounted on the bearing mounting seats, the bearing mounting seats are fixed on the corresponding base, the base is provided with the driving part which is rotatably connected with the roller group, the connecting assembly comprises an underframe, the underframe is used for connecting the two bases, the hoisting assembly comprises a crane, the crane is used for hoisting a heavy object, and the crane is fixed at the bottom of the underframe. According to the invention, the driving motor in the driving part drives the shaft lever in transmission connection with the driving motor through the chain to rotate, so that the wheel body mounted on the shaft lever moves along the guide rail arranged on the cross beam, the driving component drives the hoisting component to move to a position where work needs to be carried out, and the driving mechanism has the characteristics of strong practicability and convenience in movement.

Description

Electric hoist bridge crane

Technical Field

The invention relates to the field of hoisting equipment, in particular to an electric hoist bridge crane.

Background

The crane is a common auxiliary device for loading and unloading goods, the used crane is different according to different site environments, the European style electric hoist bridge crane is a common hoisting device for hoisting operation in the vertical direction, but the currently used European style electric hoist bridge crane still has defects; current hoist has lubricating oil to lubricate through the filling, and after long-time static or when lubricating oil lacks, easily lead to the lubricated inhomogeneous problem of rolling assembly, at the in-process that lifts by crane the heavy object and remove, easily cause rolling part wearing and tearing inhomogeneous, the damage of aggravation equipment, current electric block bridge crane adopts the pedestal mounting to have the gyro wheel in addition, is not convenient for remove after lifting by crane the heavy object.

Therefore, it is necessary to design a bridge crane with electric hoist featuring strong practicability and convenient movement.

Disclosure of Invention

The invention aims to provide an electric hoist bridge crane to solve the problems in the background technology.

In order to solve the technical problems, the invention provides an electric hoist bridge crane which comprises a support, a driving assembly, a connecting assembly and a hoisting assembly, wherein the support comprises a cross beam and upright columns for supporting two ends of the cross beam, the driving assembly comprises a base, a roller group, a driving part and a bearing mounting seat, two ends of the roller group are respectively mounted on the bearing mounting seat, the bearing mounting seat is fixed on the corresponding base, the driving part rotatably connected with the roller group is mounted on the base, the connecting assembly comprises a bottom frame, the bottom frame is used for connecting the two bases, the hoisting assembly comprises a crane, the crane is used for hoisting a heavy object, and the crane is fixed at the bottom of the bottom frame.

Furthermore, the two roller groups are arranged and are parallel to each other, the whole load-carrying capacity of the driving assembly is improved by arranging the two roller groups, the two roller groups are in contact with the cross beam through the two roller groups, the situation that the driving assembly swings when a heavy object is lifted by the crane is avoided, one of the roller groups is in transmission connection with the driving part, and the driving is realized through the installed driving part, so that the driving assembly can reciprocate along the cross beam conveniently, a guide rail is arranged on the upper side surface of the cross beam, the roller groups move along the guide rail of the cross beam, the moving direction of the roller groups is limited through the arranged guide rail, the stability in the moving process is ensured, the guide rail is provided with a semi-cylindrical shape protruding upwards, grooves matched with the semi-cylindrical shape are formed in the outer side surface of the roller groups, the deviation in the moving process is avoided, and the stability in the moving process is ensured.

Furthermore, the base is provided with a mounting groove, two bearing mounting seats are mounted in the mounting groove in parallel, the shell of each bearing mounting seat extends towards two sides to form an edge body, a mounting hole is formed in the edge body, and a bolt penetrates through the mounting hole to be fixedly mounted on the base so as to fix the shell.

Further, the bearing mounting seat comprises a shell, a groove hole is formed in one side of the shell, the opening of the groove hole faces the outside, the opening of the groove hole is sealed through a cover body, the parts arranged inside the groove hole are protected through the installed cover body, the entering of dust in the external environment is reduced, a shaft hole penetrates through the bottom surface of the groove hole, a bearing is installed in the groove hole, the roller set comprises a shaft rod and a wheel body, the wheel body is installed on the shaft rod, the end portion of the shaft rod penetrates through the shaft hole to be installed in the bearing in a matched mode, the shaft rod and the groove hole are sealed through a shaft sleeve, and the leakage of lubricating oil inside the shaft hole is avoided.

Furthermore, a ring body is arranged in the slotted hole, the ring body divides the inside of the slotted hole into a first cavity and a second cavity, a plurality of strip-shaped grooves distributed annularly are formed in the bottom surface of the slotted hole, and the bottom end of the first cavity is communicated with the bottom end of the second cavity through the strip-shaped grooves;

furthermore, the first cavity is positioned at the outer side of the second cavity, and a bearing is arranged in the second cavity;

furthermore, the first cavity is filled with lubricating oil, the lubricating oil enters the second cavity through the strip-shaped groove, the first cavity and the second cavity are divided into the slotted hole, the lubricating oil is conveniently stored in a partition mode, and the lubricating oil located in the first cavity is not affected by the rotating bearing in the second cavity.

Further, install in the slotted hole and rotate the piece, rotate the tip that the piece cup jointed at the axostylus axostyle, rotate and promote lubricating oil and get into in the cavity two through the bar groove when rotating, realize the storage of lubricating oil through cavity one.

Further, the rotating member includes a ring seat, outer helical blade and inner helical blade, the annular is equipped with a plurality of outer helical blade on the lateral surface of ring seat, the annular is equipped with a plurality of inner helical blade on the medial surface of ring seat, outer helical blade and inner helical blade constitute an overall structure, outer helical blade's the rotation is opposite with inner helical blade's rotation, a plurality of inner helical blade's inboard is equipped with the inner ring body, and the inner ring body cup joints the tip at the axostylus axostyle, inner ring body cup joints the tip at the axostylus axostyle in the rotating member, and the rotating member rotates along with the axostylus axostyle of installation, and outer helical blade and inner helical blade pivoted in-process in the rotating member, outer helical blade promotes the lubricated in the cavity two through seting up the bar groove and gets into the cavity two to realize that lubricating oil is through the inside the bearing of installation, the interior helical blade of pivoted promotes the lubricating oil through the bearing, flow through two to one side of cavity cavities, thereby realize the circulation flow of lubricating oil, flow through driving the lubricating oil, be convenient for improving the lubricated oil effect of bearing.

Further, the ring seat is equipped with the terminal surface laminating of an terminal surface and the ring body of annular, the terminal surface of ring body is equipped with bulge loop and annular cooperation, through bulge loop and annular cooperation, is convenient for improve the ring seat and takes place relative rotation in-process with the ring body, the sealed effect in the contact surface support.

Furthermore, the underframe is of a U-shaped structure, and bearing mounting seats are mounted on the end surfaces of two opposite side plates of the underframe.

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

1. according to the invention, the driving motor in the driving part drives the shaft lever in transmission connection with the driving motor through the chain to rotate, so that the wheel body arranged on the shaft lever moves along the guide rail arranged on the cross beam, and the driving component drives the hoisting component to move to a position needing to work.

2. The guide rail is arranged to limit the moving direction of the roller group, so that the stability in the moving process is ensured, meanwhile, the guide rail is in the shape of a half cylinder protruding upwards, the outer side surface of the roller group is provided with a groove matched with the half cylinder, the deviation in the moving process is avoided, and the stability in the moving process is ensured.

3. The inner ring body in the rotating member is sleeved at the end part of the shaft lever, the rotating member rotates along with the installed shaft lever, the outer spiral blade pushes lubricating oil in the cavity I to enter the cavity II through the strip-shaped groove in the rotating process of the outer spiral blade and the inner spiral blade in the rotating member, so that the lubricating oil passes through the inside of the installed bearing, the rotating inner spiral blade pushes the lubricating oil passing through the bearing to flow to one side of the cavity I through the cavity, the circulating flow of the lubricating oil is realized, the lubricating effect on the bearing is improved conveniently by driving the lubricating oil to flow, and the service life of the bearing is prolonged effectively.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the driving assembly and the lifting assembly of the present invention;

FIG. 3 is a schematic view of a driving assembly according to the present invention;

FIG. 4 is a cross-sectional view of the driving assembly of the present invention;

FIG. 5 is an enlarged schematic view of FIG. 4 at A according to the present invention;

FIG. 6 is a schematic view of the internal structure of the bearing mount of the present invention;

FIG. 7 is a schematic view of a rotating member according to the present invention;

FIG. 8 is a schematic view of the back side of the rotating member of the present invention;

fig. 9 is a schematic structural diagram of the housing of the present invention.

In the figure: 1. a cross beam; 2. a column; 3. a base; 4. a roller group; 401. a shaft lever; 402. a wheel body; 5. a drive section; 501. a drive motor; 502. a chain; 6. a bearing mount; 601. a housing; 6011. a slot; 6012. a ring body; 6013. a strip-shaped groove; 6014. a shaft hole; 602. a cover body; 603. a rotating member; 6031. a ring seat; 6032. an outer helical blade; 6033. an inner helical blade; 604. a bearing; 7. a chassis; 8. and (4) a crane.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 to 9, the present invention is an electric hoist bridge crane, including a support, the support includes a beam 1 and a column 2 for supporting two ends of the beam 1, and further includes:

the driving component comprises a base 3, a roller group 4, a driving part 5 and a bearing mounting seat 6;

both ends of the roller group 4 are arranged on bearing mounting seats 6, the bearing mounting seats 6 are fixed on the corresponding base 3, and a driving part 5 which is rotationally connected with the roller group 4 is arranged on the base 3;

the connecting assembly comprises a bottom frame 7, and the bottom frame 7 is used for connecting the two bases 3;

the hoisting assembly comprises a crane 8, the crane 8 is used for hoisting heavy objects, and the crane 8 is fixed at the bottom of the underframe 7.

The two roller groups 4 are arranged, the two installed roller groups 4 are parallel to each other, the integral loading capacity of the driving assembly is improved by arranging the two roller groups 4, and in addition, the two roller groups 4 are arranged and are in contact with the cross beam 1, so that the driving assembly is prevented from swinging when the crane 8 lifts a heavy object;

one of the roller groups 4 is in transmission connection with the driving part 5, and the driving is realized through the installed driving part 5, so that the driving assembly can reciprocate along the beam 1;

the upper side surface of the beam 1 is provided with a guide rail, the roller group 4 moves along the guide rail of the beam 1, and the moving direction of the roller group 4 is limited by the guide rail, so that the stability in the moving process is ensured;

meanwhile, the guide rail is provided with a semi-cylindrical shape protruding upwards, and the outer side surface of the roller group 4 is provided with a groove matched with the semi-cylindrical shape, so that the deviation in the moving process is avoided, and the stability of the moving process is ensured.

The mounting groove has been seted up on base 3, has installed two bearing mount pad 6 in the mounting groove side by side, and the casing 601 of bearing mount pad 6 extends to both sides has along the body, has seted up the mounting hole on the body along, and the bolt passes mounting hole fixed mounting on base 3, realizes casing 601's fixed.

Bearing mount pad 6 includes casing 601, slotted hole 6011 has been seted up to one side of casing 601, the opening of slotted hole 6011 is towards the outside, slotted hole 6011's opening is sealed through lid 602, lid 602 through the installation is accomplished and is protected slotted hole 6011 inside spare part that is equipped with, the entering of the dust among the reduction external environment condition, slotted hole 6011's bottom surface runs through there is shaft hole 6014, install bearing 604 in slotted hole 6011, roller train 4 includes axostylus axostyle 401 and wheel body 402, install wheel body 402 on the axostylus axostyle 401, the tip of axostylus axostyle 401 passes shaft hole 6014 cooperation and installs in bearing 604, it is sealed through the axle sleeve between axostylus axostyle 401 and slotted hole 6011, avoid the inside lubricating oil seepage in shaft hole 6014.

A ring body 6012 is arranged in the slotted hole 6011, the ring body 6012 divides the inside of the slotted hole 6011 into a first cavity and a second cavity, a plurality of strip-shaped grooves 6013 distributed annularly are formed in the bottom surface of the slotted hole 6011, and the bottom end of the first cavity is communicated with the bottom end of the second cavity through the strip-shaped grooves 6013;

the first cavity is positioned at the outer side of the second cavity, and a bearing 604 is arranged in the second cavity;

the first cavity is filled with lubricating oil, the lubricating oil enters the second cavity through the strip-shaped groove 6013, the groove 6011 is internally divided into the first cavity and the second cavity, so that the lubricating oil can be stored in a partition mode conveniently, and the lubricating oil located in the first cavity is not affected by the rotating bearing in the second cavity.

Install in slotted hole 6011 and rotate piece 603, rotate the tip at axostylus axostyle 401 of cup jointing, rotate piece 603 and promote lubricating oil and get into cavity two through bar groove 6013 during the rotation, realize the storage of lubricating oil through cavity one.

The rotating member 603 comprises an annular seat 6031, outer spiral blades 6032 and inner spiral blades 6033, a plurality of outer spiral blades 6032 are annularly arranged on the outer side surface of the annular seat 6031, a plurality of inner spiral blades 6033 are annularly arranged on the inner side surface of the annular seat 6031, the outer spiral blades 6032 and the inner spiral blades 6033 form an integral structure, the rotation direction of the outer spiral blades 6032 is opposite to that of the inner spiral blades 6033, inner rings are arranged on the inner sides of the inner spiral blades 6033 and sleeved on the end part of the shaft rod 401, and the inner spiral blades 6033 are positioned at the port of the bearing;

the tip at axostylus axostyle 401 is cup jointed to interior ring body in rotating piece 603, the axostylus axostyle 401 that the installation was followed to rotation piece 603 rotates, in rotating piece 603 outer helical blade 6032 and interior helical blade 6033 pivoted in-process, outer helical blade 6032 promotes the lubricating oil in the cavity one and gets into in the cavity two through having seted up bar groove 6013, thereby realize lubricating oil inside through the bearing 604 of installation, pivoted interior helical blade 6033 promotes the lubricating oil through bearing 604, flow to one side of cavity one through the cavity, thereby realize the circulation flow of lubricating oil, flow through driving lubricating oil, be convenient for improve the lubricated effect to the bearing.

The end face of ring seat 6031 that is equipped with the annular is laminated with the terminal surface of ring body 6012, and the terminal surface of ring body 6012 is equipped with bulge loop and annular cooperation, through bulge loop and annular cooperation, is convenient for improve ring seat 6031 and ring body 6012 and takes place the relative rotation in-process, the sealed effect in the contact surface support.

The underframe 7 is of a U-shaped structure, and the end surfaces of two opposite side plates of the underframe 7 are respectively provided with a bearing mounting seat 6.

Principle of operation

In the working process, a driving motor 501 in the driving part 5 drives a shaft lever 401 in transmission connection with the driving motor to rotate through a chain 502, so that a wheel body 402 arranged on the shaft lever 401 moves along a guide rail arranged on the cross beam 1, and a driving component drives the hoisting component to move to a position needing to work;

simultaneously rotate the end that the interior ring body cup jointed at axostylus axostyle 401 in the piece 603, it rotates along with axostylus axostyle 401 of installation to rotate the piece 603, in rotating the piece 603 during outer helical blade 6032 and inner helical blade 6033 pivoted, outer helical blade 6032 promotes the lubricating oil in the cavity one and gets into in the cavity two through seting up bar groove 6013, thereby realize lubricating oil inside through the bearing 604 of installation, the lubricating oil of pivoted inner helical blade 6033 promotion process bearing 604, flow through one side of cavity two to cavity one, thereby realize the circulation flow of lubricating oil, flow through driving the lubricating oil, be convenient for improve the lubricated effect to the bearing, the life of effectual extension bearing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electric hoist bridge crane, includes the support, the support includes crossbeam (1) and crossbeam (1) both ends support with stand (2), its characterized in that still includes:

the driving assembly comprises a base (3), a roller group (4), a driving part (5) and a bearing mounting seat (6);

both ends of the roller group (4) are arranged on bearing mounting seats (6), the bearing mounting seats (6) are fixed on corresponding bases (3), and driving parts (5) which are rotatably connected with the roller group (4) are arranged on the bases (3);

a connection assembly comprising a chassis (7), the chassis (7) being used for the connection of two bases (3);

the lifting assembly comprises a crane (8), the crane (8) is used for lifting heavy objects, and the crane (8) is fixed at the bottom of the underframe (7).

2. The electric hoist bridge crane according to claim 1, wherein: the number of the roller groups (4) is two, and the two installed roller groups (4) are parallel to each other;

one of the roller groups (4) is in transmission connection with the driving part (5);

the upper side of the beam (1) is provided with a guide rail, and the roller group (4) moves along the guide rail of the beam (1).

3. The electric hoist bridge crane according to claim 1, wherein: the bearing mounting structure is characterized in that a mounting groove is formed in the base (3), and two bearing mounting seats (6) are mounted in the mounting groove in parallel.

4. The electric hoist bridge crane according to claim 1, wherein: the bearing mounting seat (6) comprises a shell (601), a slotted hole (6011) is formed in one side of the shell (601), an opening of the slotted hole (6011) faces to the outside, and an opening of the slotted hole (6011) is sealed through a cover body (602);

a shaft hole (6014) penetrates through the bottom surface of the slotted hole (6011), and a bearing (604) is installed in the slotted hole (6011);

the roller group (4) comprises a shaft lever (401) and a wheel body (402), the wheel body (402) is mounted on the shaft lever (401), and the end part of the shaft lever (401) penetrates through a shaft hole (6014) to be mounted in a bearing (604) in a matching mode.

5. The electric hoist bridge crane according to claim 4, wherein: a ring body (6012) is arranged in the slotted hole (6011), and the ring body (6012) divides the inside of the slotted hole (6011) into a first cavity and a second cavity;

the bottom surface of the slotted hole (6011) is provided with a plurality of strip-shaped grooves (6013) which are distributed annularly, and the bottom end of the first cavity is communicated with the bottom end of the second cavity through the strip-shaped grooves (6013);

the first cavity is positioned at the outer side of the second cavity, and a bearing (604) is arranged in the second cavity;

the first cavity is filled with lubricating oil, and the lubricating oil enters the second cavity through a strip-shaped groove (6013).

6. The electric hoist bridge crane according to claim 5, wherein: a rotating piece (603) is arranged in the slotted hole (6011), and the rotating piece (603) is sleeved at the end part of the shaft lever (401);

when the rotating piece (603) rotates, lubricating oil is pushed to enter the second cavity through the strip-shaped groove (6013).

7. The electric hoist bridge crane according to claim 6, wherein: the rotating part (603) comprises a ring seat (6031), outer spiral blades (6032) and inner spiral blades (6033), a plurality of outer spiral blades (6032) are annularly arranged on the outer side surface of the ring seat (6031), a plurality of inner spiral blades (6033) are annularly arranged on the inner side surface of the ring seat (6031), and the ring seat (6031), the outer spiral blades (6032) and the inner spiral blades (6033) form an integral structure;

the spiral direction of the outer spiral blade (6032) is opposite to that of the inner spiral blade (6033);

the inner sides of the inner spiral blades (6033) are provided with inner rings which are sleeved at the end part of the shaft lever (401);

the inner helical blade (6033) is located at a port of the bearing.

8. The electric hoist bridge crane according to claim 7, wherein: the ring seat (6031) is provided with one end face of the ring groove and is attached to the end face of the ring body (6012), and the end face of the ring body (6012) is provided with a protruding ring matched with the ring groove.

9. The electric hoist bridge crane according to claim 1, wherein: the chassis (7) is of a U-shaped structure, and bearing mounting seats (6) are mounted on the end faces of two opposite side plates of the chassis (7).