CN212742238U

CN212742238U - Fixing device of hoisting crown block of highway and railway dual-purpose bridge girder erection machine

Info

Publication number: CN212742238U
Application number: CN202021473271.6U
Authority: CN
Inventors: 李相林; 臧宝运; 云建平; 董志坤
Original assignee: Henan Shenghua Heavy Crane Co ltd
Current assignee: Henan Shenghua Heavy Crane Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-03-19
Anticipated expiration: 2030-07-23

Abstract

The utility model relates to a fixed technical field of jack-up overhead traveling crane of bridging machine discloses a fixing device of jack-up overhead traveling crane of dual-purpose bridging machine of highway-railway, including the overhead traveling crane, the equal vertical downward fixedly connected with support in both sides about the overhead traveling crane bottom, two the equal level in support middle part has vertically seted up the rectangle opening, is located the vertical downward fixedly connected with cylinder of rectangle opening inner chamber upper portion intermediate position, the tip under the piston rod of cylinder and the support upper portion intermediate position fixed connection that falls spill. The utility model discloses the support of overhead traveling crane moves behind the confirmed position on the guide rail, and cylinder work drives the piston rod and descends to the support of falling the spill, and the support of falling the spill can be in removing the stable decline of notch to drive two grip slipper and descend, thereby guarantee that the brake block of grip slipper bottom descends and the guide rail closely laminates and reach stable fixed effect, when avoiding among the prior art need lead to the later stage to remove the overhead traveling crane through the bolt fastening, still need carry out the loaded down with trivial details nature of demolising.

Description

Fixing device of hoisting crown block of highway and railway dual-purpose bridge girder erection machine

Technical Field

The utility model relates to a fixed technical field of the jack-up overhead traveling crane of bridging machine specifically is a fixing device of jack-up overhead traveling crane of dual-purpose bridging machine of highway-railway.

Background

At present, the bridge girder erection machines commonly used at home and abroad are of the following types according to the purposes: the type one is as follows: is a bridge erecting machine special for erecting a highway bridge: the machine type is simple and can only be used for erecting highway bridges; the problems that exist are that: the highway bridge erecting machine has single purpose and cannot meet the market requirement; type two: is a bridge erecting machine special for erecting railway bridges; the problems that exist are that: the railway bridge girder erection machine has single purpose.

But need still need to demolish the loaded down with trivial details nature when leading to later stage removal day car through the bolt fastening among the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device of jack-up overhead traveling crane of dual-purpose bridge girder erection machine of highway and railway has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing device for a hoisting crown block of a highway and railway dual-purpose bridge girder erection machine comprises a crown block, wherein the left side and the right side of the bottom of the crown block are vertically and downwards fixedly connected with supports, rectangular through holes are horizontally and longitudinally formed in the middle parts of the two supports, an air cylinder is vertically and downwards fixedly connected to the middle position of the upper part of an inner cavity of each rectangular through hole, and the lower end part of a piston rod of the air cylinder is fixedly connected with the middle position of the upper part of an inverted concave support;

the support left and right side wall middle part is the equal level and has been seted up and has been removed the notch, falls the spill support activity and runs through in removing the notch, falls the equal fixedly connected with grip slipper of two tip in spill support bottom, two the grip slipper activity joint is in the recess of guide rail left and right sides two, grip slipper bottom fixedly connected with brake block.

As an optimal implementation manner of the present invention, the horizontal movable connection at the middle position of the bottom of the support has a roller, and the roller is lapped on the guide rail.

As the utility model discloses a preferred embodiment is located the equal vertical rectangle opening has been seted up downwards in support left and right sides lower part intermediate position, and the grip slipper activity is pegged graft in the rectangle opening.

As a preferred embodiment of the present invention, the inverted concave support is an aluminum alloy support.

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

the utility model discloses the support of overhead traveling crane moves behind the confirmed position on the guide rail, and cylinder work drives the piston rod and descends to the support of falling the spill, and the support of falling the spill can be in removing the stable decline of notch to drive two grip slipper and descend, thereby guarantee that the brake block of grip slipper bottom descends and the guide rail closely laminates and reach stable fixed effect, when avoiding among the prior art need lead to the later stage to remove the overhead traveling crane through the bolt fastening, still need carry out the loaded down with trivial details nature of demolising.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic overall structural view of a fixing device of a hoisting crown block of a highway and railway dual-purpose bridge girder erection machine according to the present invention;

fig. 2 is a schematic structural view of the distribution positions of the moving notches of the hoisting crown blocks of the highway and railway dual-purpose bridge girder erection machine on the side wall of the bracket;

fig. 3 is a schematic view of the inverted concave support structure of the crane of the utility model of a highway and railway dual-purpose bridge girder erection machine.

In the figure: 1. a crown block; 2. a support; 3. a moving slot; 4. an inverted concave bracket; 5. a clamping seat; 6. a rectangular opening; 7. a guide rail; 8. a brake pad; 9. a roller; 10. a piston rod; 11. a rectangular through opening; 12. and a cylinder.

The utility model provides an instrument all can be through market purchase and private customization acquisition.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

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, but do not indicate or imply that the device or element so 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; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a fixing device for a hoisting crown block of a highway and railway dual-purpose bridge girder erection machine comprises a crown block 1, wherein the left side and the right side of the bottom of the crown block 1 are vertically and downwards fixedly connected with supports 2, rectangular through holes 11 are horizontally and longitudinally formed in the middle parts of the two supports 2, an air cylinder 12 is vertically and downwards fixedly connected to the middle position of the upper part of an inner cavity of each rectangular through hole 11, and the lower end part of a piston rod 10 of the air cylinder 12 is fixedly connected with the middle position of the upper part of an inverted concave support 4;

the middle parts of the left side wall and the right side wall of the bracket 2 are horizontally provided with moving notches 3, the inverted concave bracket 4 movably penetrates through the moving notches 3, two end parts of the bottom of the inverted concave bracket 4 are fixedly connected with clamping seats 5, the two clamping seats 5 are movably clamped in grooves at the left part and the right part of a guide rail 7, and the bottom of the clamping seat 5 is fixedly connected with a brake pad 8; specifically, the method comprises the following steps: after the support 2 of overhead traveling crane 1 moved the definite position on guide rail 7, cylinder 12 work drove piston rod 10 and descends to falling spill support 4, fall spill support 4 can be in 3 steady descendants of removal notch, thereby drive two grip slipper 5 descendants, thereby guarantee that the brake block 8 decline of grip slipper 5 bottom closely laminates with guide rail 7 and reach stable fixed effect, when avoiding among the prior art to lead to the later stage to remove overhead traveling crane 1 through the bolt fastening, still need carry out the loaded down with trivial details nature of demolising.

In this embodiment (see fig. 1), the roller 9 is horizontally and movably connected to the middle position of the bottom of the bracket 2, and the roller 9 is lapped on the guide rail 7, so as to ensure the flexibility of movement of the bracket 2 and avoid abrasion.

In this embodiment (please refer to fig. 1), rectangular openings 6 are vertically and downwardly formed in the middle positions of the lower portions of the left side and the right side of the bracket 2, and the clamping bases 5 are movably inserted into the rectangular openings 6, so that the clamping bases 5 can stably lift in the rectangular openings 6 when the lifting height is ensured.

In this embodiment, the support 4 of falling the spill is aluminum alloy support, and clamping strength is higher, and life is more of a specified duration.

When the fixing device of the jack-up overhead traveling crane of the dual-purpose bridge girder erection machine of a highway and railway uses, it is required to explain, the utility model relates to a fixing device of the jack-up overhead traveling crane of the dual-purpose bridge girder erection machine of highway and railway, each part are the parts that general standard spare or technical personnel in the field know, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical personnel.

During the use, after support 2 of car 1 moved the definite position on guide rail 7 on the day, cylinder 12 work drove piston rod 10 and descends to falling spill support 4, fall spill support 4 can be in 3 stable descendants of removal notch, thereby drive two grip slipper 5 descendants, thereby guarantee that the brake block 8 decline of grip slipper 5 bottom closely laminates with guide rail 7 and reach stable fixed effect, when avoiding among the prior art to lead to later stage removal overhead traveling crane 1 through the bolt fastening, still need carry out the loaded down with trivial details nature of demolising.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a fixing device of jack-up overhead traveling crane of dual-purpose bridging machine of highway and railway, includes overhead traveling crane (1), its characterized in that: the left side and the right side of the bottom of the crown block (1) are both vertically and downwards fixedly connected with supports (2), rectangular through holes (11) are horizontally and longitudinally formed in the middle parts of the two supports (2), air cylinders (12) are vertically and downwards fixedly connected to the middle positions of the upper parts of inner cavities of the rectangular through holes (11), and the lower end parts of piston rods (10) of the air cylinders (12) are fixedly connected with the middle positions of the upper parts of the inverted concave supports (4);

be located the equal level in both sides wall middle part has been seted up and has been removed notch (3) about support (2), falls spill support (4) activity and runs through in removing notch (3), falls two equal fixedly connected with grip slipper (5) of two tip in spill support (4) bottom, two grip slipper (5) activity joint is in the recess of guide rail (7) left and right sides two, grip slipper (5) bottom fixedly connected with brake block (8).

2. The fixing device for the crane of the bridge girder erection machine for both highway and railway as claimed in claim 1, wherein: the middle position of the bottom of the bracket (2) is horizontally and movably connected with a roller (9), and the roller (9) is lapped on the guide rail (7).

3. The fixing device for the crane of the bridge girder erection machine for both highway and railway as claimed in claim 1, wherein: rectangular openings (6) are vertically and downwards formed in the middle positions of the lower portions of the left side and the right side of the support (2), and the clamping seats (5) are movably inserted into the rectangular openings (6).

4. The fixing device for the crane of the bridge girder erection machine for both highway and railway as claimed in claim 1, wherein: the inverted concave support (4) is an aluminum alloy support.