CN218642308U

CN218642308U - Large-span bridge crane

Info

Publication number: CN218642308U
Application number: CN202222580141.8U
Authority: CN
Inventors: 张树涛; 王钦迎; 单统
Original assignee: Shandong Yitong Heavy Industry Machinery Co ltd
Current assignee: Shandong Yitong Heavy Industry Machinery Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-03-17
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to a hoist technical field just discloses a large-span bridge crane, including the hoist body with install the removal mechanism about the hoist body downside, remove the mechanism and be through the drive of mutually supporting of second threaded rod and second motor, the hoist body is concave type, the top wall fixed mounting of hoist body recess has the collection line case, and movable mounting has the take-up pulley in the collection line case, and the outer wall of take-up pulley has the steel wire through the mode movable mounting of wraparound. When the goods take off and land, pack up the steel wire or emit through movable rod and collection line case, can play stable effect to the steel wire through movable rod, elastic telescopic rod and buffer block at this in-process, the range of rocking that produces when reducing the goods motion has improved the security, removes when the goods, if when removing the mobile mechanism and stop suddenly, because the goods swing can be taken to inertia steel wire, under elastic telescopic rod's effect, can cushion the swing of steel wire.

Description

Large-span bridge crane

Technical Field

The utility model relates to a hoist technical field especially relates to a large-span bridge crane.

Background

Publication No. CN214217960U discloses a bridge crane, the lower extreme of brace member 5 sets up lower margin 50, lower margin 50 department passes through the bolt fastening on the surface of worker shape girder steel 2, improve the support pulling force, a fixed point more during fixed, improve and support the fastness, 5 four-point distribution of brace member are fixed at the surface of worker shape girder steel 2, four-point distribution, the holding power is strong, the outer end dog-ear department of crane span structure 1 is fixed with triangle muscle 6, improve dog-ear department holding power, establish walking seat 100 on the worker shape girder steel 2, walking seat 100 lower extreme sets up steel wire lifting rope and couple, be convenient for lift by crane and pull.

In the middle of the actual operation, when taking off and landing again to the goods, the goods can produce the swing, if do not install stable mechanism, the swing that the goods produced can cause the dropping of goods and produce danger, just the external left and right sides portable to the goods, moving mechanism stops suddenly, goods and steel wire also can produce the swing under inertial effect, like this also can produce danger, so do further improvement to this.

To this end, we propose a large span bridge crane.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art and provides a large-span bridge crane.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, a large-span bridge crane, including the hoist body with install the left and right moving mechanism at hoist body downside, the left and right moving mechanism is through the drive of mutually supporting of second threaded rod and second motor, the hoist body is concave type, the top wall fixed mounting of hoist body recess has the collection case, movable mounting has the take-up pulley in the collection case, the outer wall of take-up pulley has the steel wire through the mode movable mounting of solderless wrapped connection, the goods fixed hook is installed to the downside end face of steel wire, the diapire wall of collection case is run through in the downside end face activity of steel wire, wall all is provided with the movable rod about hoist body recess, equal fixed mounting has elastic expansion between the face that two sets of movable rods are close to mutually, the equal fixed mounting of terminal surface that two sets of elastic expansion are close to mutually has the buffer block, the face that two sets of buffer blocks are close to mutually all contacts with the outer wall of steel wire, two sets of buffer blocks all contain magnetic material.

Preferably, the positions of the two groups of movable rods, corresponding to the left wall surface and the right wall surface of the groove of the crane body, are provided with movable grooves, and the bottom wall surfaces of the two groups of movable grooves are rotatably connected with first threaded rods.

Preferably, the two groups of movable rods are respectively connected with the corresponding first threaded rods in a threaded manner at the ends far away from each other, and first bevel gears are fixedly mounted on the outer walls of the upper sides of the two groups of first threaded rods.

Preferably, the two sets of first bevel gears are meshed with each other to form a second bevel gear, and a cylindrical mounting rod is fixedly mounted on the left side wall surface of the right second bevel gear.

Preferably, the left outer wall of the mounting rod movably penetrates through the left wall surface and the right wall surface of the take-up box, and the left end face of the mounting rod is fixedly mounted on the right end face of the left second bevel gear.

Preferably, the left side wall surface of the take-up box is fixedly provided with a first motor, and the output end of the first motor is fixedly arranged on the left side wall surface of the take-up wheel.

Preferably, a first gear is fixedly mounted on the outer wall of the output end of the first motor, a second gear is fixedly mounted on the outer wall of the mounting rod, and the first gear and the second gear are meshed and connected together.

Advantageous effects

The utility model provides a large-span bridge crane. The method has the following beneficial effects:

(1) This kind of large-span bridge crane, when the goods take off and land, pack up or emit the steel wire through the movable rod with the collection line case, pass through the movable rod at this in-process, elastic expansion link and buffer block can play stable effect to the steel wire, the range of rocking that produces when reducing the goods motion, the security has been improved, remove when removing about the goods, if when removing the right shift mechanism stops suddenly, because the inertia steel wire can take the goods swing, under elastic expansion link's effect, can cushion the swing of steel wire, reduce steel wire wobbling range, reduce the risk that the excessive goods that leads to of swing dropped, the security has been improved.

(2) This kind of large-span bridge crane, when opening the movable rod, the output of movable rod can take first gear to rotate, the second gear takes the installation pole to rotate under the effect of first gear, first umbelliform gear rotation can be taken to the second umbelliform gear, first umbelliform gear can be followed and first umbelliform gear rotates together, the movable rod can be in the inside of movable groove along the outer wall motion of first threaded rod, just so can be synchronous follow the steel wire up or down motion of buffer block, can make the steel wire length between buffer block and the goods unchangeable like this, for the condition of steel wire length change between buffer block and the goods, reduce the variability of steel wire, receive under the effect of same power, steel wire wobbling range is unchangeable, its stability has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a perspective view of the whole body of the present invention;

fig. 2 is an enlarged perspective view of the present invention a;

fig. 3 is the utility model discloses a cut open perspective of collection line box.

Illustration of the drawings: 1. a crane body; 2. a take-up box; 3. a steel wire; 4. a movable rod; 5. elastic expansion drying; 6. a buffer block; 7. a movable groove; 8. a first threaded rod; 9. a first bevel gear; 10. a second bevel gear; 11. mounting a rod; 12. a first gear; 13. a second gear; 14. a first motor.

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.

The first embodiment is as follows: the utility model provides a large-span bridge crane, as fig. 1, it is shown in fig. 2 and fig. 3, including hoist body 1 with install the left and right moving mechanism at hoist body 1 downside, left and right moving mechanism is through the drive of second threaded rod and second motor mutually supporting, hoist body 1 is concave type, the top wall fixed mounting of hoist body 1 recess has collection case 2, movable mounting has the take-up pulley in the collection case 2, the outer wall of take-up pulley has steel wire 3 through the mode movable mounting of wraparound, the goods fixed hook is installed to the downside terminal surface of steel wire 3, the diapire wall of collection case 2 is run through in the downside terminal surface activity of steel wire 3, wall all is provided with movable rod 4 about hoist body 1 recess, equal fixed mounting has elastic expansion to do 5 between the face that two sets of movable rod 4 are close to mutually, equal fixed mounting of terminal surface that two sets of elastic expansion do 5 are close to mutually has buffer block 6, the face that two sets of buffer block 6 are close to mutually all contacts with the outer wall of steel wire 3, two sets of buffer block 6 all contain magnetic material.

When the goods take off and land, pack up or emit the time to steel wire 3 through movable rod 4 and take-up box 2, pass through movable rod 4 at this in-process, elastic expansion does 5 and buffer block 6 can play stable effect to steel wire 3, the range of rocking that produces when reducing the goods motion, the security has been improved, move about when the goods moves, if when the left and right shift mechanism stops suddenly, because inertia steel wire 3 can take the goods swing, under elastic expansion does 5's effect, can cushion steel wire 3's swing, reduce steel wire 3 wobbling range, reduce the too big risk that leads to dropping of goods of swing.

Example two: on the basis of the first embodiment, as shown in fig. 1 and fig. 3, the positions of the two groups of movable rods 4 corresponding to the left and right wall surfaces of the groove of the crane body 1 are both provided with movable grooves 7, and the bottom wall surfaces of the two groups of movable grooves 7 are both rotatably connected with first threaded rods 8.

The one end that two sets of movable rods 4 kept away from mutually is in the same place with corresponding first threaded rod 8 threaded connection respectively, and the equal fixed mounting of upside outer wall of two sets of first threaded rods 8 has first umbelliform gear 9.

Two groups of first bevel gears 9 are engaged with a second bevel gear 10, and a cylindrical mounting rod 11 is fixedly mounted on the left side wall surface of the right second bevel gear 10.

The outer wall of the left side of the installation rod 11 movably penetrates through the left wall surface and the right wall surface of the take-up box 2, and the left end face of the installation rod 11 is fixedly installed on the right end face of the second bevel gear 10 on the left side.

The left side wall surface of the take-up box 2 is fixedly provided with a first motor 14, and the output end of the first motor 14 is fixedly arranged on the left side wall surface of the take-up pulley.

The outer wall of the output end of the first motor 14 is fixedly provided with a first gear 12, the outer wall of the mounting rod 11 is fixedly provided with a second gear 13, and the first gear 12 and the second gear 13 are meshed and connected together.

When opening movable rod 4, the output of movable rod 4 can take first gear 12 to rotate, second gear 13 takes installation pole 11 to rotate under the effect of first gear 12, second umbellate gear 10 can take first umbellate gear 9 to rotate, first threaded rod 8 can be followed first umbellate gear 9 and rotated together, movable rod 4 can be in the inside of movable groove 7 along the outer wall motion of first threaded rod 8, buffer block 6 just can be synchronous follow steel wire 3 and move up or down like this, 3 length invariants of steel wire between buffer block 6 and the goods can be made like this, for the condition of 3 length variations of steel wire between buffer block 6 and the goods, reduce the changeability of steel wire 3, receive under the effect of the same power, 3 wobbling range invariants of steel wire.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a large-span bridge crane, include hoist body (1) and install the left and right moving mechanism of hoist body (1) downside, the left and right moving mechanism is through the drive of mutually supporting of second threaded rod and second motor, hoist body (1) is concave type, the top wall fixed mounting of hoist body (1) recess has collection line case (2), movable mounting has the take-up pulley in collection line case (2), the outer wall of take-up pulley has steel wire (3) through the mode movable mounting of wire winding, the goods fixed hook is installed to the downside terminal surface of steel wire (3), the diapire wall of collection line case (2) is run through in the downside terminal surface activity of steel wire (3), its characterized in that: the wall all is provided with movable rod (4) about hoist body (1) recess, and equal fixed mounting elasticity is flexible futilely (5) between two sets of movable rod (4) faces that are close to mutually, and two sets of elasticity are flexible do (5) the equal fixed mounting of terminal surface that is close to mutually have buffer block (6), and two sets of buffer block (6) faces that are close to mutually all contact with the outer wall of steel wire (3), and two sets of buffer block (6) all contain magnetic material.

2. A large span bridge crane according to claim 1, wherein: two sets of activity groove (7) have all been seted up to the position that wall was controlled in corresponding hoist body (1) recess in activity pole (4), and the bottom wall in two sets of activity grooves (7) all rotates and is connected with first threaded rod (8).

3. A large span bridge crane according to claim 2, wherein: two sets of the one end that movable rod (4) kept away from mutually is in the same place with corresponding first threaded rod (8) threaded connection respectively, and the equal fixed mounting of upside outer wall of two sets of first threaded rod (8) has first umbelliform gear (9).

4. A large span bridge crane according to claim 3, wherein: two sets of first umbelliform gear (9) all mesh connection has second umbelliform gear (10), and the left side wall fixed mounting of right side second umbelliform gear (10) is cylindrical installation pole (11).

5. The large-span bridge crane according to claim 4, wherein: the outer wall of the left side of the mounting rod (11) movably penetrates through the left wall face and the right wall face of the take-up box (2), and the end face of the left side of the mounting rod (11) is fixedly mounted on the end face of the right side of the second umbrella-shaped gear (10) on the left side.

6. A large span bridge crane according to claim 5, wherein: the left side wall of collection line case (2) fixed mounting has first motor (14), and the output of first motor (14) fixed mounting is on the left side wall of take-up pulley.

7. The large-span bridge crane according to claim 6, wherein: the outer wall fixed mounting of first motor (14) output has first gear (12), and the outer wall fixed mounting of installation pole (11) has second gear (13), and first gear (12) and second gear (13) meshing link together.