WO2022262667A1

WO2022262667A1 - Separated brake shoe anti-wind apparatus for rail-mounted crane

Info

Publication number: WO2022262667A1
Application number: PCT/CN2022/098334
Authority: WO
Inventors: 钟怡宁
Original assignee: 钟怡宁
Priority date: 2021-06-15
Filing date: 2022-06-13
Publication date: 2022-12-22
Also published as: CN113277419A

Abstract

Provided in the present invention is a separated brake shoe anti-wind apparatus for a rail-mounted crane. The separated brake shoe anti-wind apparatus comprises: an anti-wind brake shoe disposed on a track and located at one side of a traveling wheel of a rail-mounted crane; a drive apparatus fixed to a gantry bracket of the rail-mounted crane, the drive apparatus being located directly above the anti-wind brake shoe; a brake shoe clamp connected to an output end of the drive apparatus and, driven by the drive apparatus, connecting to the anti-wind brake shoe so as to lift the anti-wind brake shoe, or separating to place the anti-wind brake shoe on the track. The separated brake shoe anti-wind device for a rail-mounted crane provided in the present invention greatly improves the anti-wind level and reaction speed of the rail-mounted crane in response to severe convective weather, improves daily working efficiency, reduces operation costs for an enterprise, reduces various types of major accidents causing mechanical damage and human injuries, and has very broad application scenarios.

Description

Separate iron shoe windproof device for rail crane

technical field

The invention belongs to the field of windproof equipment for rail cranes, and in particular relates to a detached iron shoe windproof device for rail cranes.

Background technique

Large-scale rail-mounted hoisting machinery needs to work in the open air, so it is greatly affected by wind loads. Once the machinery is blown down by the wind, the machinery will be seriously damaged, or the machine will be destroyed. In recent years, large-scale lifting machinery has been damaged by strong winds many times, and almost every such accident can easily occupy the headlines of the news. For enterprises, large-scale rail-mounted hoisting machinery is the core equipment produced by the enterprise, and most of the companies capable of owning such large-scale rail-mounted hoisting machinery are large-scale or super-large key enterprises. The occurrence of such machine damage and personal injury accidents is almost ruined. The disaster has a huge impact on the country and society. The weight of large track-type machinery is measured in thousands of tons, and the value is tens of millions. It is impossible to calculate the loss of production stoppage during the repair period. If a collapse accident occurs, the stoppage time is almost calculated in years. Therefore, the windproof safety of large machinery is of great importance to these key enterprises. Speaking has always been extremely important.

The existing windproof measures for large track-type machinery mainly include the following:

1. Crane pressure rail type windproof device

The rail-pressing windproof device is commonly known as "rail-pressing device". It uses its own weight and hydraulic cylinder to increase the friction on the rail to prevent the crane from moving. It has strong applicability, but it has high cost and low windproof performance. Its disadvantages Even if the maintenance cost is high, the mechanical aging will seriously affect the jacking force, and the jacking pressure of the oil cylinder is reduced and it is difficult to distinguish it with the naked eye. Professionals and equipment are needed for testing.

2. Crane anchored windproof device

This is a commonly used preventive device. In the case of a strong wind warning or a long-term shutdown, the machine will be parked in a special anchoring area, and the crane will be fastened with bolts, jacks, wire ropes and other fasteners.

3. Crane clamp type windproof device

The clamp-type windproof device is commonly known as "rail holder", which uses clamps to clamp the track or the running wheel of the crane to increase the friction of the track and prevent the crane from sliding. There are four kinds of clamp type windproof devices: manual screw type, hydraulic spring type, electric screw type and electric weight hammer type. Its disadvantages are similar to those of the pressure rail type windproof device.

4. Crane iron shoe type windproof device

There are two ways of using this windproof device: electric and manual. The electric iron shoe and the crane are connected in a floating manner. Usually the iron shoe is pressed on the rail by a spring, and when the crane is turned on, the iron shoe is lifted under the action of an electromagnet. Its disadvantages are also high cost, high cost-effective maintenance, and the floating connection is not completely separated. The manual type is to manually place the traditional windproof iron shoes between the wheels and the rails. The retraction and release are all manually operated, and the cost is low. Manually retracting and retracting the traditional windproof iron shoes is an indispensable and important windproof measure for crane standards. The important and last safety measure used by the wind protection device.

The advantage of existing manual type traditional windproof iron shoes is that cost is low, maintenance-free, damaged replacement is simple.

The disadvantages are as follows:

1. Manual placement increases the labor intensity of workers, especially after the issuance of a strong wind warning, the uncertainty of strong convective weather causes companies not to shut down and anchor windproofs during this period, so many companies respond by manually placing traditional windproofs. The iron shoes work together with other windproof devices of the crane. The frequent shifting of large cranes during the operation causes workers to frequently place and put away traditional windproof iron shoes, which is labor intensive.

2. The traditional windproof iron shoes of a large-scale rail crane are less than a few and more than ten, and are arranged around the sides of the machine. The frequent movement of the crane must wait for manual retraction, and a crane is equipped with The number of workers is not many, and the whole time process of retracting and releasing the traditional windproof iron shoes is long, which will seriously affect the operating efficiency of large cranes.

3. Manual retraction of traditional windproof iron shoes is easily affected by human factors. High-intensity labor tends to make people lazy and lazy, which will cause things that should be placed not to be placed, or forgotten to be put away after placement, thus affecting the overall windproof level of large cranes. .

4. The occurrence time of extreme convective weather is very fast and the process is very short. Often the wind force will far exceed the wind resistance level of the crane within a few seconds, and the reaction time of people is often long, so there is no time for people to place traditional windproof iron shoes Cooperate with other windproof measures of the crane to cope with extreme weather. Once a large crane is blown away by the wind, and the crane with a self-weight of hundreds of tons or even thousands of tons reaches a certain speed, the strong inertia will make any remedial measures ineffective, and will seriously affect personal safety. At the same time, in extremely strong convective weather, the safety of the human body is often threatened by the wind, so we can only take our own personal safety into consideration.

5. The traditional windproof iron shoes placed manually are limited by the conditions of the human body, and the self-weight is not easy to be too heavy. Therefore, the existing traditional windproof iron shoes are light in weight and poor in firmness. Under such circumstances, traditional windproof iron shoes are easily crushed and damaged, thus losing their function. The traditional windproof iron shoes are often the last windproof measures for large cranes. Once the traditional windproof iron shoes are damaged, it means the occurrence of major machine damage safety accidents.

6. The distance between multiple traditional windproof iron shoes placed manually and the wheels is different, and the same distance cannot be achieved. Therefore, when the large crane is sliding, the traditional windproof iron shoes cannot play a role at the same time, reducing the overall windproof level of the large crane.

Contents of the invention

It is an object of the present invention to provide a separate shoe windshield for a rail-mounted crane which provides at least the advantages which will be described hereinafter.

Another object of the present invention is to provide a separate iron shoe windproof device for rail cranes, which can greatly improve the windproof level and response speed of rail cranes against extreme convective weather, improve daily work efficiency, and save operating costs for enterprises , and reduce major accidents of various types of machine damage and personal injury, the application scenarios are very broad.

Technical scheme of the present invention is as follows:

A detached iron shoe windproof device for a rail-mounted crane, comprising:

Windproof iron shoes placed on the track and on one side of the running wheels of the rail crane;

The driving device is fixed on the gantry support of the rail crane, and the driving device is located directly above the windproof iron shoes;

Iron shoe fixture, which is connected to the output end of the driving device and connected with the windproof iron shoe driven by the driving device to lift or separate the windproof iron shoe and place the windproof iron shoe on the on track.

Preferably, in the separate iron shoe windproof device for rail cranes,

The drive unit includes:

The housing, which is fixed to the door-type bracket and has an upper opening, is provided with a linear bearing mounting plate inside the housing, and four linear bearing mounting holes are provided at the four corners of the linear bearing mounting plate;

Four linear bearings, which are installed on the linear bearing mounting plate through the linear bearing mounting holes;

An electric push rod, the output end of which is arranged vertically upward in the housing;

Lifting plate, which is arranged above the housing and covers the upper opening, the lower surface of the lifting plate is provided with a vertical guide rod, and the vertical guide rod is connected with the electric push rod through the linear bearing , and the lifting plate moves up and down driven by the electric push rod.

Preferably, in the separate iron shoe windproof device for rail cranes,

The driving device also includes two clamp fixing frames, which are respectively located on both sides of the housing. The clamp fixing frames extend vertically upwards and have a clamp guiding groove at the top, and the height of the clamp guiding groove is greater than that of the lifting mechanism. the height of the board;

The iron shoe fixture includes two lever-type clamping parts arranged opposite to each other. The lever-type clamping parts include a horizontal part and a vertical part arranged perpendicularly to each other, and a position where the horizontal part and the vertical part meet is provided with a A limiter, the limiter is clamped in the guide groove of the clamp and serves as the fulcrum of the lever-type clamp; the head end of the horizontal part has a counterweight, which is located on the lifting plate surface; the end of the vertical part is equipped with clamping teeth, and when the counterweight rises, it is close to the windproof iron shoe and clamps it, and when the counterweight is lowered, it is away from the windproof iron shoe and separate from it.

Preferably, in the separate iron shoe windproof device for rail cranes,

The end of the vertical part is bolted with two screws;

The waists on both sides of the windproof iron shoes are respectively provided with an M-shaped lifting lug, and the M-shaped lifting lug has two clamping grooves;

The screw cooperates with the clamping groove to clamp the windproof iron shoe.

Preferably, in the separate iron shoe windproof device for rail cranes,

The iron shoe fixture is an inverted U-shaped structure, including a horizontal connecting plate and vertical clamping plates located on both sides of the horizontal connecting plate, the horizontal connecting plate is located directly above the lifting plate and has a The one-to-one corresponding connecting holes of the vertical guide rods;

The vertical guide rod protrudes upwards above the horizontal connecting plate through the connecting hole, and the part of the vertical guiding rod protruding above the horizontal connecting plate is sleeved with a buffer spring.

Preferably, in the separate iron shoe windproof device for rail cranes,

A roller is installed on the inner side of the bottom end of the vertical clamping plate to be clamped or separated from the windproof iron shoe;

The waist shells on both sides of the windproof iron shoes are provided with a positioning groove, and the positioning groove is a structure with a triangle in the middle and openings at both ends;

The size of the opening is larger than the size of the roller.

Preferably, in the separate windproof device for iron shoes for rail cranes, reinforcing ribs are arranged inside the windproof iron shoes.

Preferably, in the separate windproof device for iron shoes used in rail cranes, the lower surface of the windproof iron shoes is provided with half-surrounding rail positioning grooves to cooperate with the rails.

Preferably, in the separate windproof device for iron shoes for rail cranes, the windproof iron shoes are two-way iron shoes.

The present invention has the following beneficial effects:

1. The windproof iron shoes can be automatically retracted and fully liberated human resources.

2. The process of retracting and unwinding the windproof iron shoes is extremely short, and the whole process can be completed within a few seconds, which greatly improves the operating efficiency of the crane.

3. The entire detached iron shoe windproof device is not disturbed by human factors, and can be retracted and retracted automatically.

4. Ensure that when the crane is in the positioning working state, all windproof iron shoes are on the track, cooperate with the rail-type windproof device and the clamp-type windproof device to improve the wind resistance level of the crane, and the speed and ability to deal with strong convective extreme weather Far beyond the existing artificial placement methods.

5. The self-weight of the windproof iron shoes is more than twice that of the traditional windproof iron shoes, and its own firmness is greatly enhanced, and it is not easy to be crushed and damaged by large cranes, thereby improving the windproof level of large cranes and becoming the last and strongest safety guarantee for large cranes.

6. Under the condition that the space of the crane’s walking wheels allows, the separate iron shoe windproof device can be placed between adjacent walking wheels, and at the same time cooperate with the special two-way iron shoe to use one two-way iron shoe to act as two one-way iron shoes The effect of greatly improving the windproof efficiency.

7. When the windproof iron shoes are placed, the position of the iron shoes is kept in the center by half-surrounding the track positioning groove, which can effectively prevent the slight vibration shift of the large crane during work and affect the positioning of the windproof iron shoes on the rails, and ensure the windproof iron shoes and The distance between the wheels.

8. The iron shoe fixture and the windproof iron shoe are fully separated.

9. Multiple iron shoes and windproof devices can place windproof iron shoes at the same time, so that the distance between them and the wheels can be unified. Therefore, when a large crane slips due to abnormal displacement, the wheels can be in contact with multiple windproof iron shoes at the same time, making the large crane It can get the maximum wheel stop effect, and can also disperse its huge pressure, making the windproof iron shoes less likely to be damaged, and improving the overall windproof level of large cranes.

Other advantages, objectives and features of the present invention will partly be embodied through the following descriptions, and partly will be understood by those skilled in the art through the study and practice of the present invention.

Description of drawings

Fig. 1 is the structure schematic diagram of an embodiment of the detached iron shoe windproof device for rail crane provided by the present invention;

Fig. 2 is a structural schematic view of the driving device in an embodiment of the separate iron shoe windproof device for rail crane provided by the present invention;

Fig. 3 is the local structure schematic diagram of the driving device in an embodiment of the detached iron shoe windproof device for rail crane provided by the present invention;

Fig. 4 is a schematic structural view of the clamp fixture in an embodiment of the separate iron shoe windproof device for rail crane provided by the present invention;

Fig. 5 is a schematic structural view of the iron shoe clamp in an embodiment of the separate iron shoe windproof device for rail crane provided by the present invention;

Fig. 6 is a schematic structural view of the windproof iron shoe in an embodiment of the separate iron shoe windproof device for rail crane provided by the present invention;

Fig. 7 is a schematic view of the separated state in an embodiment of the separated iron shoe windproof device for rail crane provided by the present invention;

Fig. 8 is a schematic diagram of the lifting state of an embodiment of the separate iron shoe windproof device for rail cranes provided by the present invention;

Figure 9 is a schematic structural view of another embodiment of the separate iron shoe windproof device for rail cranes provided by the present invention;

Fig. 10 is the structural representation of the windproof iron shoe in another embodiment of the separate type iron shoe windproof device for rail crane provided by the present invention;

Fig. 11 is a schematic diagram of the separation state of another embodiment of the separate iron shoe windproof device for rail cranes provided by the present invention;

Fig. 12 is a schematic diagram of a clamping and lifting state of an embodiment of a separate iron shoe windproof device for a rail crane provided by the present invention.

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.

The present invention will solve the following technical problems:

1. The traditional windproof iron shoes of large-scale hoisting machinery are replaced by manual retraction and retraction by automatic retraction.

2. Reinforce and design the existing artificial traditional windproof iron shoes to improve its own strength and resist compression and damage.

The invention provides a separate iron shoe windproof device for a rail crane, which is installed beside the running wheels of the large crane and erected directly above the rail, and the windproof iron shoe lies directly below the iron shoe clamp along the rail.

As shown in Figure 1, the present invention provides a kind of detached iron shoe windproof device for rail crane, which comprises:

Windproof iron shoes 1, which are placed on the track 2 and are located on one side of the running wheel of the rail crane;

A driving device 3, which is fixed on the portal support of the rail crane, and the driving device 3 is located directly above the windproof iron shoes 1;

Iron shoe clamp 4, which is connected to the output end of the driving device 3 and connected with the windproof iron shoe 1 under the drive of the driving device 3 to lift or separate the windproof iron shoe 1 and remove the windproof iron shoe. The shoe 1 is placed on said track 2 .

As shown in Figure 2, the drive device 3 includes:

The housing 5 is fixed with the door-type bracket and has an upper opening. A linear bearing mounting plate 6 is arranged inside the housing 5. Four linear bearing mounting holes are provided at the four corners of the linear bearing mounting plate 6. The housing The outside of 5 is reserved to install the connecting piece 7, which is convenient for fixing with the door bracket;

Four linear bearings 8, which are installed on the linear bearing mounting plate 6 through the linear bearing mounting holes;

Electric push rod 9, the output end of which is arranged vertically upward in the housing 5, and the stroke and thrust are preset;

Lifting plate 10, it is arranged on the top of described housing 5 and covers described upper opening, and the lower surface of described lifting plate 10 is provided with vertical guide rod 11, and described vertical guide rod 11 is connected with described linear bearing 8 and The electric push rod 9 is connected, and the lifting plate 10 moves up and down driven by the electric push rod 9 .

This design is because the position of the push rod of the electric push rod is not in the middle. If the push rod is directly pushed to lift the cover, a bias force will be generated on the push rod shaft, and the push rod is easily damaged after being subjected to lateral force. Therefore, the design of the linear bearing mounting plate assembly system is to eliminate the lateral force on the push rod itself, protect the electric push rod, prolong the service life and reduce the failure rate.

In addition to bearing the upward thrust of the electric push rod, the lifting plate covers the entire casing downwards around, which can effectively protect the electric push rod in the casing from erosion by wind, rain, sand and dust.

Specifically, there are two technical solutions that can be implemented, and the details are as follows:

Example 1

As shown in FIGS. 3 and 4 , the driving device 3 also includes two clamp fixing frames 12 , which are located on both sides of the housing 5 respectively. The clamp fixing frames 12 extend vertically upwards and have a clamp guide at the top. Groove 121, the height of the fixture guiding groove 121 is greater than the height of the lifting plate 10, and a reinforcing cover plate 13 is also arranged above the fixture fixing frame, and four mounting screw holes are reserved on it, so as to facilitate installation and fixing from above;

As shown in FIG. 5 , the iron shoe clamp 4 includes two lever-type clamping parts arranged oppositely, and the lever-type clamping parts include a horizontal part 401 and a vertical part 402 arranged perpendicularly to each other, and the horizontal part 401 A stopper 403 is provided at a position where the vertical part 402 joins, and the stopper 403 is clamped in the clamp guide groove 121 and serves as a fulcrum of the lever-type clamp; the horizontal part 401 The head end has a counterweight 404, which is located on the upper surface of the lifting plate 10, and is arranged parallel to each other to maximize the lever arm; the end of the vertical part 402 is equipped with clamping teeth 405, and on the The counterweight 404 approaches and clamps the windproof iron shoes 1 when it rises, and moves away from the windproof iron shoes 1 and separates from it when the counterweight 404 descends.

The end of the vertical part 402 is fixed with two screws by bolts, which are used as clamping teeth;

As shown in Figure 6, the waists on both sides of the windproof iron shoes 1 are respectively provided with an M-shaped lifting lug 101, and the M-shaped lifting lug 101 has two clamping grooves, which can be one-way or two-way, according to actual needs. Selection; the lower surface is provided with a half-surrounding track positioning groove 102 .

The screw cooperates with the clamping groove to clamp the windproof iron shoe 1 .

The iron shoe fixture adopts aluminum alloy hollow and lightweight design, and five clamping teeth mounting holes are reserved at the bottom, and the outermost two mounting holes are equipped with hexagon socket two combination screws M5 (M5x60), which are specially matched with the "M" on the new M windproof iron shoes Type-guided positioning lugs are used. At the same time, the number and length of screws can be replaced and installed according to actual needs, so as to cooperate with the use of other traditional windproof iron shoes.

Its working process is as follows:

a separate state

As shown in Figure 7, when the large crane is working at the working position, the electric push rod is at the bottom dead center position. Under the leverage of the counterweight, the lower end of the iron shoe clamp is opened to both sides, and it is kept in contact with the windproof iron shoe on the rail. A certain distance is completely out of state.

Two clamping state

When the crane is ready to travel, the electric push rod moves upward, and the lifting plate lifts the counterweight upward under the action of the electric push rod, and the lower end of the iron shoe clamp is closed inward under the action of leverage, and the clamp teeth are in the windproof iron shoe. Clip gently under the M-shaped lugs.

3. Improve the state

As shown in FIG. 8 , the lifting plate continues to move upwards under the action of the electric push rod, and the counterweight and the stopper of the iron shoe clamp move upward along the clamp guide groove. At the same time, after the two clamping teeth at the bottom of the iron shoe fixture reach the two vertices of the guiding and positioning lugs of the windproof iron shoe, they engage with the clamping groove to lift the windproof iron shoe. When the lifting plate arrived at the top dead center under the action of the electric push rod, the whole windproof iron shoes were hoisted away from the rail and hung in the air. At this time, the crane starts to move while driving, and the entire detached iron shoe windproof device moves synchronously with the crane until the crane stops again.

4. Placement status

After the crane stops, the electric push rod moves downward until it reaches the bottom dead center, and the iron shoe fixture moves downward under the action of its own weight, and the hoisted windproof iron shoe is placed on the rail again, and the counterweight is affected by gravity to make the fixture The clamping teeth are opened to both sides, and the separated state is restored.

Example 2

As shown in Figure 9, the iron shoe clamp 4 is an inverted U-shaped structure, including a horizontal connecting plate 406 and vertical clamping plates 407 located on both sides of the horizontal connecting plate 406, the horizontal connecting plate 406 is located The lifting plate 10 is directly above and has connecting holes corresponding to the vertical guide rods 11 one by one;

The vertical guide rod 11 protrudes upwards above the horizontal connecting plate 406 through the connecting hole, and the part of the vertical guiding rod 11 protruding above the horizontal connecting plate 406 is sleeved with a buffer spring 14 .

A roller 408 is installed on the inner side of the bottom end of the vertical clamping plate 407 to be clamped or separated from the windproof iron shoe 1, so as to facilitate left and right movement and upward lifting positioning in the positioning groove of the windproof iron shoe 1;

As shown in Figure 10, the waists on both sides of the windproof iron shoes 1 are respectively provided with a positioning groove 103, and the positioning groove 103 is a structure with a triangle in the middle and openings at both ends;

The size of the opening is larger than the size of the roller 408 .

The four vertical guide rods 11 of the linear bearing 8 pass through the lifting plate 10 and the horizontal connecting plate 406, and the buffer spring 14 is fixed on the upper end of the vertical guide rod 11 to produce a downward force on the iron shoe clamp, while ensuring the lifting plate and the horizontal connecting plate 406. There is contact between the horizontal connecting plates, and the traditional rigid connection is not used between the two, but a contact connection is used. And when the rollers at the bottom of the iron shoe fixture are impacted, it is absorbed by the spring at the top of the guide rod, and the entire lifting plate and electric push rod are not affected, ensuring the safety of the electric push rod.

Its working process is as follows:

1. Separation

As shown in Figure 11, when the large rail-mounted crane is operating at the working position, the electric push rod is at the bottom dead center position, and the rollers are located below the positioning groove of the windproof iron shoes.

When the large rail crane slides abnormally at this time, the rollers will move outward along the openings at both ends of the positioning groove, and will be separated from the windproof iron shoes left on the track, and the wheels of the large rail crane will touch the windproof Iron shoes, so as to obtain the maximum wheel friction, stop the abnormal sliding of large cranes, and protect the safety of large rail-mounted cranes.

2. Clamping and lifting state

As shown in Figure 12, when the large rail-mounted crane is ready to travel, the electric push rod moves upward, and the lifting plate lifts the iron shoe fixture upwards under the action of the electric push rod, and the rollers rise to the middle triangle of the positioning groove of the windproof iron shoe Clip your windbreakers in the area.

Afterwards, the electric push rod continues to rise to the top dead center position, and then drives the iron shoe clamp to lift the windproof iron shoe upwards from the rail. At this time, the large-scale rail crane moves normally, and the entire detached iron shoe windproof device moves together with the vehicle until the large-scale crane stops and locates again.

Three placed separated state

After the crane stops, the electric push rod descends to the bottom dead center position, and the iron shoe clamp moves downward to lower the windproof iron shoes to the track again. The rollers are located under the positioning groove of the windproof iron shoes, and are separated from the windproof iron shoes. In turn, the large crane is always in a state of wind protection.

In the separate windproof device for rail cranes provided by the present invention, the inside of the windproof shoe is provided with reinforcing ribs to ensure the overall strength, which is much stronger than the existing traditional windproof shoe in terms of compression and damage resistance; The lower surface of the windproof iron shoe is provided with a semi-surrounding track positioning groove to cooperate with the track; the windproof iron shoe is a two-way iron shoe, which has two-way stopper functions, which is equivalent to two one-way windproof iron shoes.

The advantage of the present invention is simply to replace manual retraction with automatic retraction, which completely makes manual retraction of large crane windproof iron shoes a history, rewrites existing large crane windproof safety measures, and reduces labor intensity of workers.

In the separate iron shoe windproof device for rail cranes used in the present invention, the windproof iron shoe is stronger than the traditional windproof iron shoe, and has better compression resistance and damage resistance. After matching with other windproof devices, it greatly improves the response of large cranes to extreme strong convection The windproof level and response speed of the weather can improve the daily work efficiency of large cranes, save operating costs for enterprises, and reduce major accidents of various types of machine damage and personal injury. The application scenarios are very broad.

The setting direction of the electric push rod among the present invention can be accomplished by other methods, such as: top-mounted type: the electric push rod is on the top, and the clamp is below;

The electric push rod can be replaced by mechanical force devices such as hydraulic jacking cylinder, rack and pinion, turbine screw, etc., or it can be used manually by lever principle.

M-type windproof iron shoes are divided into one-way design and two-way design. The two-way design and the two-way design of the two-way iron shoes with separated rollers are not available in other traditional iron shoes. In addition, the unique "M" type guide positioning lug design The design of the "herringbone"-shaped guiding and positioning groove makes it quite different from the traditional windproof iron shoes in appearance, and the two new windproof iron shoes are far superior to the traditional iron shoes in terms of dead weight and firmness.

The power device of the present invention is an electric push rod, which is composed of a DC motor, a reduction gear, etc., and is a very commonly used device.

Although the embodiment of the present invention has been disclosed as above, it is not limited to the use listed in the specification and implementation, it can be applied to various fields suitable for the present invention, and it can be easily understood by those skilled in the art Therefore, the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims

The separate iron shoe windproof device for rail crane is characterized in that it includes:

Windproof iron shoes placed on the track and on one side of the running wheels of the rail crane;

The driving device is fixed on the gantry support of the rail crane, and the driving device is located directly above the windproof iron shoes;

Iron shoe fixture, which is connected to the output end of the driving device and connected with the windproof iron shoe driven by the driving device to lift or separate the windproof iron shoe and place the windproof iron shoe on the on track.
The detached iron shoe windproof device for rail crane according to claim 1, characterized in that,

The drive unit includes:

The housing, which is fixed to the door-type bracket and has an upper opening, is provided with a linear bearing mounting plate inside the housing, and four linear bearing mounting holes are provided at the four corners of the linear bearing mounting plate;

Four linear bearings, which are installed on the linear bearing mounting plate through the linear bearing mounting holes;

An electric push rod, the output end of which is arranged vertically upward in the housing;

Lifting plate, which is arranged above the housing and covers the upper opening, the lower surface of the lifting plate is provided with a vertical guide rod, and the vertical guide rod is connected with the electric push rod through the linear bearing , and the lifting plate moves up and down driven by the electric push rod.
The detached iron shoe windproof device for rail crane according to claim 2, characterized in that,

The driving device also includes two clamp fixing frames, which are respectively located on both sides of the housing. The clamp fixing frames extend vertically upwards and have a clamp guiding groove at the top, and the height of the clamp guiding groove is greater than that of the lifting mechanism. the height of the board;

The iron shoe fixture includes two lever-type clamping parts arranged opposite to each other. The lever-type clamping parts include a horizontal part and a vertical part arranged perpendicularly to each other, and a position where the horizontal part and the vertical part meet is provided with a A limiter, the limiter is clamped in the guide groove of the clamp and serves as the fulcrum of the lever-type clamp; the head end of the horizontal part has a counterweight, which is located on the lifting plate surface; the end of the vertical part is equipped with clip teeth, and when the counterweight rises, it is close to the windproof iron shoe and clamps it, and when the counterweight is lowered, it is away from the windproof iron shoe and separate from it.
The detached iron shoe windproof device for rail crane according to claim 2, characterized in that,

The end of the vertical part is bolted with two screws;

The waists on both sides of the windproof iron shoes are respectively provided with an M-shaped lifting lug, and the M-shaped lifting lug has two clamping grooves;

The screw cooperates with the clamping groove to clamp the windproof iron shoe.
The detached iron shoe windproof device for rail crane according to claim 2, characterized in that,

The iron shoe fixture is an inverted U-shaped structure, including a horizontal connecting plate and vertical clamping plates located on both sides of the horizontal connecting plate, the horizontal connecting plate is located directly above the lifting plate and has a One-to-one corresponding connecting holes of the vertical guide rods;

The vertical guide rod protrudes upwards above the horizontal connecting plate through the connecting hole, and the part of the vertical guiding rod protruding above the horizontal connecting plate is sleeved with a buffer spring.
The detached iron shoe windproof device for rail crane according to claim 5, characterized in that,

A roller is installed on the inner side of the bottom end of the vertical clamping plate to be clamped or separated from the windproof iron shoe;

The waists on both sides of the windproof iron shoes are respectively provided with a positioning groove, and the positioning groove is a structure with a triangle in the middle and openings at both ends;

The size of the opening is larger than the size of the roller.
The detached iron shoe windproof device for rail crane according to claim 4 or 6, characterized in that,

The inside of the windproof iron shoes is provided with reinforcing ribs.
The detached iron shoe windproof device for a rail crane according to claim 7, wherein the lower surface of the windproof iron shoe is provided with a half-surrounding track positioning groove to cooperate with the track.
The detached iron shoe windproof device for a rail crane according to claim 8, wherein the windproof iron shoe is a two-way iron shoe.