CN212149098U

CN212149098U - Common container hanger and rotary hanger universal replacing trailer for shore bridge or field bridge

Info

Publication number: CN212149098U
Application number: CN202020448702.7U
Authority: CN
Inventors: 屈东升; 钱堃; 么学成; 李卉斌; 李奇; 李振广; 姜磊; 李纪勇; 于萍
Original assignee: Tianjin Port Pacific International Container Terminal Co ltd
Current assignee: Tianjin Port Pacific International Container Terminal Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-12-15
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to a general change trailer of ordinary hoist and rotatory hoist of container for bank bridge or field bridge, characterized by that the automobile body separates through preceding stepped operation panel, middle stepped operation panel and backstage stepped operation panel and separates for unloading the hoist station and waiting to adorn the hoist station, unloads the hoist station and places trouble ordinary hoist or temporarily changes ordinary hoist, waits to adorn the hoist station and places and waits to adorn ordinary hoist or wait to adorn the rotatory hoist; in the unloading hanger station and the to-be-assembled hanger station, two rows of supporting tables which cross the vehicle body and are higher than the upper surface of the vehicle body are respectively arranged in parallel corresponding to the unloading hanger and the to-be-assembled hanger; a front guard rail, a middle guard rail and a rear guard rail are respectively arranged around each step type operating platform; arranging a side step type vehicle ladder and a back step type vehicle ladder; the trailer body is provided with a vertical ladder for assisting the trailer body, which corresponds to the vertical ladder for lifting the lifting appliance and the lifting appliance to be mounted. The utility model has the advantages of accomplishing the change between ordinary hoist and rotatory hoist, structural optimization.

Description

Common container hanger and rotary hanger universal replacing trailer for shore bridge or field bridge

Technical Field

The utility model relates to a pier bank bridge or for the bridge ordinary hoist of container and rotatory hoist change with the facility, especially relate to a bank bridge or for the bridge ordinary hoist of container and the general trailer of changing of rotatory hoist.

Background

In the loading and unloading business of the container terminal, a shore bridge or a field bridge is a main loading and unloading device, in the actual loading and unloading operation, the shore bridge or the field bridge loads and unloads the containers through the lifting appliance, and because the loading and unloading business is busy and the use frequency of the lifting appliance is very high, the damaged lifting appliance needs to be frequently maintained or replaced. Normally, the failed spreader is placed on a shore bridge or a field bridge for maintenance and repair, but when a complex failure occurs and needs to be sent for repair, the failed spreader needs to be replaced and a trailer is used for transporting the to-be-loaded spreader to the position below the shore bridge or the field bridge. Because the position of the upper frame of the hanger connected with the hanger is 1.8 meters higher than the ground, the hanger needs to be assembled and disassembled by adopting a 25T forklift, and in the whole hanger replacing process, maintenance personnel, a trailer driver, a 25T forklift driver and a shore bridge or field bridge driver need to be matched with resources in various aspects; trailer drivers and 25T forklift drivers are temporarily allocated, and in addition, a person needs to spend a period of time for taking a vehicle and driving to the site, and under the normal condition, the average replacement time of one lifting appliance is more than 40 minutes; delays in time and interruptions in operations have caused the loading and unloading of containers of a continuous nature to be severely affected, eventually leading to a reduction in the efficiency of the terminal operation.

The applicant's patent CN206407019U "trailer for replacing container spreader for shore bridge or yard bridge" provides a trailer for replacing common spreader specially used for lifting conventional goods, which solves the above problems. The trailer for replacing the lifting appliance provided by the patent structurally comprises a trailer, wherein the trailer is provided with a gooseneck, a vehicle body is arranged below the rear part of the vehicle body, the vehicle body is divided into a front fault lifting appliance station and a rear lifting appliance station to be mounted by 3 bar-shaped operation platforms which are arranged at the gooseneck end, the middle part of the vehicle body and the tail end of the vehicle body and stretch across the vehicle body, the front fault lifting appliance station and the rear fault lifting appliance station are respectively provided with a fault lifting appliance supporting platform which stretches across the vehicle body and is flush with the upper surface of the vehicle body and symmetrically and outwards extends towards; two rows of to-be-mounted hanger supporting tables which are spanned across the vehicle body and are higher than the upper surface of the vehicle body and symmetrically extend outwards to two sides of the vehicle body are arranged in parallel corresponding to the appearance of the hanger main body in a hanger station to be mounted; guard rails are arranged on two sides of the extending section of the operating platform, and a vehicle ladder is arranged at the end part of the extending section of the operating platform; two extending ends of the fault lifting appliance supporting platform and the fault lifting appliance angle lock box are correspondingly provided with anchoring holes of horizontally-arranged lock heads; each of the two rows of supporting platforms of the hanger to be mounted is composed of two branch supporting platforms which are arranged at intervals, and the extending end of the table top of each branch supporting platform corresponds to the hanger main body of the hanger to be mounted with a positioning guide plate.

Can find out through setting up a trailer that always possesses, rationally set up two hoist stations on the automobile body, during the in-service use, the trouble hoist is lifted off and is placed on automobile body front side trouble hoist station, and the automobile body rear side is treated treating that dress hoist station waits to adorn the hoist and can be installed on the spot fast, has solved the simple and convenient quick replacement problem of economy after the proruption trouble of above-mentioned hoist.

However, with the development of container terminal loading and unloading service, the trailer for replacing the lifting appliance cannot meet the requirements, and in application practice, a plurality of structural defects of the trailer are exposed, which are reflected in that:

the proportion of large cargo and special cargo is gradually increased along with the diversification of the loading and unloading service types of the container wharf, and a rotary lifting appliance is introduced into the corresponding wharf. Therefore, when the special goods are operated, the rotary lifting appliance needs to be safely and efficiently exchanged with the original common lifting appliance on the shore bridge or the yard bridge, and when the special goods are operated, the common lifting appliance is replaced. However, the rotary hanger is additionally provided with the rotating mechanism at the top of the common hanger, so that the overall height of the rotary hanger is higher than that of the common hanger by more than 0.5 meter, and the exchange operation between the rotary hanger and the common hanger cannot be finished by using the conventional trailer for replacing the hanger suitable for the common hanger.

A second in practical application, above-mentioned hoist is changed and is used trailer also exposes its self structural drawback:

the fault sling supporting table is flush with the upper surface of the car body, namely the fault sling is arranged on the upper surface of the car body after being dismounted, and a lock head of a corner lock of the fault sling is horizontally arranged in an anchoring hole specially arranged on the supporting table. The lower setting is difficult for observing the whole lifting appliance, especially the lock head of the angle lock is in a hidden position, the lifting appliance is difficult for observation in the process of repair, and the operation difficulty is increased by aligning the anchoring hole to place the lock head of the angle lock.

Secondly, the vehicle ladders on the two sides of each strip-shaped operating platform are all straight ladders, and because the operators need to go straight up and down, the operation is laborious and slow, and potential safety hazards also exist.

And thirdly, when the lifting appliance is installed on the operating platform at the rear part of the vehicle body, the operator can go up and down the vehicle body from the vertical ladders at the two sides of the vehicle body, the space is narrow, and the wide space at the rear part of the vehicle body is not fully utilized.

Some hoists are provided with climbing straight ladders, so that operating personnel can conveniently climb the hoists to carry out loading and unloading operations, but the auxiliary straight ladders corresponding to the climbing straight ladders are not arranged on the trailer body, so that when the hoist operating personnel use the climbing straight ladders to go up and down, the operating personnel cannot go down to the ground directly, and still need to go up and down through the transfer of the vehicle ladder at the position of the vehicle body operating platform, which is time-consuming, labor-consuming and inconvenient.

The existing trailer for replacing the lifting appliance is not provided with a braking device when being parked, so that the vehicle body can move to cause accidents or damage in severe weather such as strong wind at a wharf or under some emergency conditions.

In summary, it is very important to develop a general container spreader and a rotary spreader replacement trailer for shore bridges or yard bridges aiming at the above problems and overcome many structural disadvantages in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at is to above-mentioned problem, provides a bank bridge or field bridge is with ordinary hoist of container and general change trailer of rotatory hoist, realizes on the basis of the operation of exchanging between ordinary hoist, still can accomplish safe high-efficient ground and rotate the operation of exchanging of hoist and ordinary hoist, then, further improves a great deal of structure drawback that present hoist changed the trailer again, reaches the expansion function, optimizes the structure, promotes the effect of pier operating efficiency and operation security.

The utility model provides a technical scheme that its technical problem adopted is:

a general change trailer of ordinary hoist and rotary hoist of container for shore bridge or field bridge, including the trailer, the said trailer has goosenecks, the car body, set up the train below the rear portion of car body, characterized by that the said car body is separated into the anterior part and unloads the hoist station and hoist station to be loaded of the rear portion through the fore-stage step type operation desk, middle-stage step type operation desk and backstage step type operation desk which cross the car body that set up separately in its anterior part, middle part and afterbody, unload the hoist station and place the ordinary hoist of trouble or change the ordinary hoist temporarily in the said hoist station to be loaded, the said ordinary hoist or rotary hoist to be loaded of hoist station to be loaded is placed; the front stepped operating platform and the middle stepped operating platform are arranged in parallel with the two sides of the vehicle body, and the left end and the right end of the back stepped operating platform symmetrically extend outwards to the two sides of the vehicle body along the outer part to form extended stepped operating platforms; in the unloading hanger station and the to-be-assembled hanger station, two rows of supporting tables which cross the vehicle body, are higher than the upper surface of the vehicle body and symmetrically extend outwards to two sides of the vehicle body are respectively arranged in parallel corresponding to the unloading hanger and the to-be-assembled hanger; a front guard rail, a middle guard rail and a rear guard rail are respectively arranged around the front stepped operating platform, the middle stepped operating platform and the rear stepped operating platform; side stepped vehicle ladders are respectively arranged on two sides of the front stepped operating platform and the middle stepped operating platform, and a rear stepped vehicle ladder is arranged at the tail end of the vehicle body; and arranging an auxiliary vertical ladder of the trailer body on the trailer body corresponding to the vertical ladder for climbing arranged on the unloading lifting appliance and the lifting appliance to be loaded.

The front stepped operating platform and the middle stepped operating platform are arranged with the step surfaces facing the front end of the vehicle body, the step surfaces of the back stepped operating platform are arranged with the step surfaces facing the tail end of the vehicle body, and the height of the front stepped operating platform is 0.6-0.65 m; the height of the middle step type operating platform and the height of the back step type operating platform are 1-1.1 m.

Each of the two rows of supporting tables is composed of two sub-supporting tables arranged at intervals, the height of each sub-supporting table is 0.4-0.5m, and a positioning guide plate is arranged at the extended end of the table top of each sub-supporting table and corresponds to the body of a unloaded lifting appliance or a lifting appliance to be loaded.

The front guard rail consists of two front fences arranged on the left side and the right side of a front stepped operating platform and a safety chain which is positioned on the side of the step surface of the front stepped operating platform and is connected between the two front fences; the middle protective guard consists of middle fences arranged on the left side and the right side of the middle step type operating platform and a safety chain which is positioned on the step surface side of the middle step type operating platform and is connected between the two middle fences; the rear protective fence is composed of two right-angle bent fences which wrap the left side and the right side of the rear stepped operating platform and extend to the side of the step surface of the rear stepped operating platform, and a safety chain which is positioned on the side of the step surface of the rear stepped operating platform and is connected between the two right-angle bent fences.

Step guardrails are respectively arranged on two sides of the side step type vehicle ladder and the back step type vehicle ladder.

Wheel wedges are respectively arranged on the outer sides of front and rear wheels of a wheel train of the trailer in a parking state, and wheel wedge baskets for containing the wheel wedges are arranged on the trailer body.

The wheel wedge consists of a base plate, an arc panel attached to the surface of the wheel, two vertical support plates fixedly supported between the arc panel and the base plate, and a handle, wherein the front edge of the arc panel is fixedly connected with the front edge of the base plate, one end of the handle is fixedly connected to the back of the arc panel between the two vertical support plates, and the other end of the handle is fixedly connected to the base plate.

The utility model has the advantages that: compared with the prior art:

the step type operating platform is arranged on a vehicle body, and the problem that the existing lifting appliance is not enough in dismounting and mounting of the trailer is solved. The step type operating platform can meet the requirements of different on-site lifting appliance operations and meet the requirements of people with different heights. In particular, the top step is wide, and a spacious and safe operation space is provided for operators. And a protective guard is also arranged to realize safe operation. By using the universal replacing trailer, the function of the replacing trailer for the existing common lifting appliance is expanded, and on the basis of realizing the exchanging operation between the common lifting appliances, the exchanging operation between the rotary lifting appliance and the common lifting appliance can be realized safely and efficiently, so that the effects of one vehicle, multiple purposes, flexibility, convenience and material saving are achieved.

Do a second thing the utility model discloses an in lifting the hoist station lift do not adopt the hoist to place automobile body upper surface and the tapered end of angle lock crouch the anchor hole structure of packing into, improve for with wait to adorn the same height of hoist station be 0.4-0.5m be higher than the brace table structure of automobile body surface. Therefore, the common lifting appliance can be directly placed on the supporting table higher than the surface of the car body after being dismounted, and the lock head of the angle lock of the lifting appliance is naturally exposed in the space, so that the angle lock is not easy to collide and damage and is beneficial to observation and protection; due to the high position, the structural conditions of all the whole parts of the lifting appliance can be observed conveniently, the anchoring hole structure and the complex operation of the angle lock head of the horizontally-arranged lifting appliance in the prior art are omitted, and the operation efficiency and the protection effect are improved.

The vertical ladders on two sides of each strip-shaped operating platform in the existing common lifting appliance replacement trailer are improved into the side step type vehicle ladder and the back step type vehicle ladder, and the step guardrails are additionally arranged. Overcomes the defects that operators need to directly go up and down, and is labor-consuming and unsafe, and achieves the effects of quickness, labor saving, comfort and safety. Especially, the straight ladders on two sides of the rear part of the vehicle body are improved into wide rear step type vehicle ladders, so that the wide space at the rear part of the vehicle body is fully utilized, the operation personnel can conveniently and quickly go up and down, and a spacious and safe operation environment is provided.

The auxiliary vertical ladder of the trailer body is arranged on the trailer body and corresponds to the climbing vertical ladder arranged on the off-loading hanger and the to-be-loaded hanger, so that an operator can conveniently go straight up and down from the ground to the hanger without winding other vehicle ladders of the trailer body, time and labor are saved, and the operation is safe.

The wheel wedges are arranged on the outer sides of the front wheel and the rear wheel of the gear train respectively, the defect that accidents occur due to the fact that no braking device is arranged when an existing lifting appliance replacement trailer is parked is overcome, severe weather such as wharf strong wind or certain emergency situations are met, the vehicle body is stable, positioning is firm, and accidental movement or damage accidents cannot occur.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a cross-sectional view B-B of FIG. 1;

FIG. 5 is a cross-sectional view C-C of FIG. 1;

FIG. 6 is a cross-sectional view D-D of FIG. 1;

FIG. 7 is a front view of the wheel wedge;

FIG. 8 is a right side view of the wheel wedge;

FIG. 9 is a bottom view of the wheel wedge;

FIG. 10 is a front view of the positioning guide plate;

FIG. 11 is a top view of FIG. 10;

fig. 12 is a schematic view of an application structure of the present invention.

In the figure: 1 front guard rail, 1a front fence, 1b safety chain, 2 front step type operating platform, 3 supporting platform, 3a, 3b sub supporting platform, 4 unloading hanger station, 5 middle guard rail, 5a middle guard rail, 5b safety chain, 6 middle step type operating platform, 7 waiting hanger station, 8 rear guard rail, 8a right angle bending fence, 8b safety chain, 9 rear step type operating platform, 10 step guard rail, 11 rear step type vehicle ladder, 12 wheel wedge, 121 arc panel, 122 vertical support plate, 123 handle, 124 base plate, 13 wheel train, 14 wheel wedge basket, 15 gooseneck, 16 step guard rail, 17 vehicle body, 18 vehicle body auxiliary straight ladder, 19-20 side step type vehicle ladder, 21 traction pin, 22 pattern plate, 23 positioning guide plate, 24 straight ladder, 25 temporary unloading common hanger, 26-27 straight ladder, 28 vehicle body auxiliary straight ladder, 29 waiting rotary hanger, 30 a rotation mechanism.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Detailed Description

Fig. 1 to 12 show a structure of a general container spreader and a general rotary spreader replacement trailer for a shore bridge or a yard bridge, which includes a trailer provided with a gooseneck 15, a body 17, and a wheel train 13 provided under the rear portion of the body 17, and an application thereof.

The utility model is characterized in that automobile body 17 is through respectively in its front portion, and the preceding stage formula operation panel 2, the middle-stage formula operation panel 6 and the backstage formula operation panel 9 that span the automobile body that middle part and afterbody set up respectively separate for the anterior hoist station 4 that unloads and the hoist station 7 that waits at the rear portion, unload hoist station 4 and place the ordinary hoist of trouble or unload ordinary hoist temporarily, wait to adorn hoist station 7 and place and wait to adorn ordinary hoist or wait to adorn rotatory hoist.

Referring to fig. 1-2, the front stepped operating platform 2 and the middle stepped operating platform 6 are arranged flush with both sides of the vehicle body 17, and the left and right ends of the rear stepped operating platform 9 symmetrically extend outward to both sides of the vehicle body to form an extended stepped operating platform. The front step type operating platform 2 and the middle step type operating platform 6 are arranged with the step surfaces facing the front end of the vehicle body, the back step type operating platform 9 is arranged with the step surfaces facing the tail end of the vehicle body, and the height of the front step type operating platform is 0.6-0.65 m; the height of the middle step type operating platform and the height of the back step type operating platform are 1-1.1 m. In this embodiment, the front stepped operating platform is provided with two steps, the width of the top step is 0.4-0.5m, the middle stepped operating platform and the rear stepped operating platform are provided with three steps, and the width of the top step is 0.4-0.5 m. Set up step-type operation panel, solved the current hoist and changed the rotatory hoist of trailer dismouting problem not enough in height. The step type operating platform can meet the requirements of different on-site lifting appliance operations and meet the requirements of people with different heights. In addition, the wider top step provides a spacious and safe operating space for operators. Compared with the prior art, the utility model discloses add well step operation panel 6 and backstage operation panel 9 that highly is 1-1.1m, the operation personnel stand on the step, can carry out the loading and unloading of rotatory hoist. Therefore, the function of the replacement trailer for the conventional common lifting appliance is expanded, the replacement trailer can be used for replacing the common lifting appliance and replacing a rotary lifting appliance, and the effects of one vehicle, multiple purposes, flexibility, convenience and material conservation are achieved.

In the unloading hanger station 4 and the to-be-assembled hanger station 7, two rows of supporting tables 3 which are respectively arranged in parallel and cross over the vehicle body, are higher than the upper surface of the vehicle body and symmetrically extend outwards to two sides of the vehicle body to form corresponding unloading hangers and to-be-assembled hangers; each of the two rows of support tables is composed of two sub-support tables 3a and 3b which are arranged at intervals, the height of each sub-support table is 0.4-0.5m, and a positioning guide plate 23 is arranged at the extended end of the table top of each sub-support table and corresponds to the body of a corresponding unloading hanger or a hanger to be loaded. The positioning guide plate is a seat plate having a slope inclined toward the outside of the vehicle body, see fig. 10 to 11. The two positioning guide plates 23 in each row of the supporting platform of the lifting appliance to be assembled are arranged oppositely. The positioning guide plate is adopted to facilitate the positioning of the lifting appliance and the stable placement.

In actual manufacturing, the tread plates 22 are laid on the upper surface of the vehicle body 17, the front stepped operating table 2, the middle stepped operating table 6 and the back stepped operating table 9, and have a slip-proof function.

In the prior art, a fault lifting appliance support table and the upper surface of a vehicle body are flush in a trailer replaced by a common lifting appliance, namely, the fault lifting appliance is arranged on the upper surface of the vehicle body after being lifted off, and a lock head of a lifting appliance angle lock is arranged in an anchoring hole. Not only increases the operation difficulty, but also is not beneficial to observing whether the angle lock head is abnormal or not. The utility model discloses in, then do not adopt the hoist to place automobile body upper surface and anchoring hole structure, improve to the structure the same with the height is 0.4-0.5 m's the hoist brace table of waiting to adorn. Therefore, the fault common lifting appliance can be directly placed on the supporting table higher than the ground, and the lock head of the lifting appliance angle lock is naturally exposed in the space, so that the lifting appliance angle lock is not easy to collide and damage and is beneficial to observation and protection; due to the high position, the structural conditions of all the whole parts of the lifting appliance can be observed conveniently, the anchoring hole structure and the complex operation of the angle lock head of the horizontally-arranged lifting appliance in the prior art are omitted, and the working efficiency and the protection effect are improved.

Referring to fig. 1 to 6, the present invention is further characterized in that the front guard rail 1, the middle guard rail 5 and the rear guard rail 8 are respectively disposed around the front stepped operating platform 2, the middle stepped operating platform 6 and the rear stepped operating platform 9. The front guard rail 1 consists of two front fences 1a arranged on the left side and the right side of a front stepped operating platform and a safety chain 1b positioned on the side of a step surface of the front stepped operating platform and connected between the two front fences 1 a; the middle guard rail 5 consists of two middle fences 5a arranged at the left side and the right side of a middle step type operating platform 6 and a safety chain 5b positioned on the step surface side of the middle step type operating platform and connected between the two middle fences; the rear protective fence 8 is composed of right-angled bent fences 8a which wrap the left side and the right side of the rear stepped operating platform and extend to the side of the step surface of the rear stepped operating platform, and safety chains 8b which are positioned on the side of the step surface of the rear stepped operating platform and are connected between the two right-angled bent fences. The protective guard can be used for realizing safe operation on the step type operating platform.

The utility model discloses a characteristic still embodies, and

step operation panel

2 and 6 both sides of well step operation panel set up side

step car ladder

19, 20 respectively in the front, set up backstage car ladder 11 at the automobile body tail end. Step guardrails are respectively arranged on two sides of the side step type vehicle ladder and the back step type vehicle ladder, if step guardrails 10 and 16 are respectively arranged on two sides of the side step

type vehicle ladder

19 and 20, step guardrails 10 are respectively arranged on two sides of the back step type vehicle ladder 11. Compared with the prior art, the vertical ladder of the vehicle body in the prior art is improved into the step type vehicle ladder, and the step guardrail is additionally arranged, so that the defect that the operator needs to vertically move up and down, which is laborious and unsafe is overcome, and the effects of quickness, labor saving, comfort and safety are achieved. In addition, among the prior art, the both sides vertical ladder at automobile body rear portion improves to back cascade car ladder, make full use of the broad space at automobile body rear portion, and back cascade car ladder width is close automobile body width, and is convenient from top to bottom, provides spacious safe operational environment.

Referring to fig. 12, it is an application example of replacing a common spreader with a rotary spreader when lifting large and special goods. The lifting appliance station 4 is detached to place a temporary detached common lifting appliance 25, and the lifting appliance station 7 to be mounted is placed with a rotary lifting appliance 29 to be mounted. As shown in the figures, the utility model is characterized in that a vehicle body auxiliary straight ladder is arranged on the trailer body 17 corresponding to the climbing straight ladder arranged on the unloading sling and the sling to be loaded, in this case, the trailer body 17 is provided with a vehicle body auxiliary straight ladder 18 corresponding to the climbing straight ladder 24 arranged on the temporary unloading common sling 25; a vehicle body auxiliary vertical ladder 28 is provided corresponding to the climbing vertical ladder 27 provided on the rotary hanger 29 to be mounted. Like this, operating personnel can conveniently follow ground to hoist directly from top to bottom, need not to change around other step ladders of automobile body about, labour saving and time saving and operation safety.

Referring to fig. 12, the present invention is further characterized in that wheel wedges 12 are respectively disposed on the outer sides of the front and rear wheels of the train of the trailer in a parking state, and wheel wedge baskets 14 for accommodating the wheel wedges are disposed on the trailer body. As shown in fig. 7-9, the wheel wedge 12 is composed of a base plate 124, an arc plate 121 attached to the surface of the wheel, two vertical support plates 122 fixedly supported between the arc plate 121 and the base plate 124, and a handle 123, wherein the front edge of the arc plate is fixedly connected to the front edge of the base plate, one end of the handle 123 is fixedly connected to the back surface of the arc plate between the two vertical support plates, and the other end of the handle 123 is fixedly connected to the base plate. Because the wheel wedge is additionally arranged, the defect that accidents occur due to the fact that a brake device is not arranged when an existing lifting appliance is used for replacing a trailer in parking operation is overcome, weather or certain emergency conditions such as severe wind and the like of a wharf are met, a vehicle body is stable, positioning is firm, and accidental movement or damage accidents cannot occur. The traction pin 21 mounted on the gooseneck of the vehicle body adopts GB/T4606-2006, 50#, the wheel tire of the gear train adopts an inflatable solid tire 6.50-10-5.00F, and the bearing capacity of a single tire is not less than 2.64T.

The utility model provides a bank bridge or field bridge are with ordinary hoist of container and the general trailer of changing of rotatory hoist mainly use at two kinds of condition: one is under the condition of hoisting conventional goods by using a common hoisting tool, when the hoisting tool is in failure and needs to be replaced, the common hoisting tool to be installed is used for replacing the failed common hoisting tool; in another situation, when large goods and special goods occur, the common lifting appliance needs to be replaced by a rotary lifting appliance, in this situation, the common lifting appliance is temporarily unloaded, and after the rotary lifting appliance finishes the loading and unloading service, the temporarily unloaded common lifting appliance needs to be reinstalled on the shore bridge or the yard bridge.

Fig. 12 shows an example of an application in which a normal spreader of a shore bridge is changed to a rotary spreader when large and special cargo is loaded and unloaded.

During application, the field container tractor head can be used as a traction device, the traction pin 21 is connected with the trailer to stop the trailer carrying the rotary hanger 29 to be loaded below the operation shore bridge, and the rotary hanger 29 to be loaded is placed on the hanger station 7 to be loaded at the rear part of the vehicle body 17.

The specific operation steps are as follows: (hereinafter, the temporary off-loading ordinary hanger 25 is simply referred to as an ordinary hanger 25)

1, disassembling a common hanger and installing a rotary hanger;

firstly, 2-3 workers are needed for disassembling an ordinary lifting appliance and generally loading and unloading the lifting appliance. This example is 3. When the operation is started, the trailer is parked at a position where the unloading sling parking space 4 is aligned with the common sling 25 on the quay crane, and a driver of the quay crane operates to place the common sling 25 on the table top between the positioning guide plates 23 of the sub-support tables 3a and 3b on the unloading sling parking space 4. Two ground operators respectively go up to the front stepped operating platform 2 and the middle stepped operating platform 6 through the front side stepped vehicle ladder 19 and the middle side stepped vehicle ladder 20, use auxiliary tools to loosen a connecting pin shaft between a common lifting appliance and a lifting appliance upper frame, and the other operator climbs to the common lifting appliance 25 through the vehicle body auxiliary straight ladder 18 and the climbing straight ladder 24 of the common lifting appliance 25 to cooperate with the two operators to disassemble the lifting appliance and disconnect a cable plug of the lifting appliance. After the common hanger and the hanger upper frame are disassembled, two operators on the operating platforms respectively go down to the ground through the side step type vehicle ladder 19 at the front part of the vehicle body and the side step type vehicle ladder 20 at the middle part of the vehicle body, and the operators on the common hanger go down to the ground directly through the climbing straight ladder 24 and the vehicle body auxiliary straight ladder 18. The quay crane driver then operates to place the spreader racked above the rotary spreader 29 to be loaded.

The rotary lifting appliance is mounted, two ground operators respectively go up to the middle step type operating platform 6 and the back step type operating platform 9 through the side step type vehicle ladder 20 in the middle of the vehicle body and the back step type vehicle ladder 11 at the tail end of the vehicle body, the auxiliary tools are used for mounting the connecting pin shaft between the rotary lifting appliance to be mounted and the lifting appliance upper frame, the other ground operator climbs the rotary lifting appliance 29 to be mounted through the vehicle body auxiliary straight ladder 28 and the climbing

straight ladders

27 and 26 of the rotary lifting appliance 29 to be mounted, the connecting pin shaft between the rotary lifting appliance and the lifting appliance upper frame is mounted in a matched mode, and the connecting operation of a cable plug of the lifting appliance is performed. After the rotary hanger to be mounted is connected with the hanger upper frame, two operators on the operating platform respectively go down to the ground through the side step type vehicle ladder 20 and the back step type vehicle ladder 11, and the operators on the rotary hanger go down to the ground directly through the climbing

vertical ladders

26 and 27 and the auxiliary vehicle body vertical ladder 28. And then the rotary lifting appliance is lifted by the operation of a shore bridge driver to carry out related operation.

2. The operation steps of detaching the rotary spreader and reinstalling the temporarily detached general spreader to the quayside crane are reversed with reference to the above steps.

Under the condition that a common hanger is used for loading and unloading conventional cargos, when a common hanger to be loaded needs to be replaced by a failed common hanger, the operation is the same as the step 1 in the previous example, namely the common hanger temporarily unloaded in the previous example is replaced by the failed common hanger, and the rotary hanger to be loaded is replaced by the normal hanger to be loaded.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the shape, material and structure of the present invention in any way. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all still fall within the scope of the technical solution of the present invention.

Claims

1. A general change trailer of ordinary hoist and rotary hoist of container for shore bridge or field bridge, including the trailer, the said trailer has goosenecks, the car body, set up the train below the rear portion of car body, characterized by that the said car body is separated into the anterior part and unloads the hoist station and hoist station to be loaded of the rear portion through the fore-stage step type operation desk, middle-stage step type operation desk and backstage step type operation desk which cross the car body that set up separately in its anterior part, middle part and afterbody, unload the hoist station and place the ordinary hoist of trouble or change the ordinary hoist temporarily in the said hoist station to be loaded, the said ordinary hoist or rotary hoist to be loaded of hoist station to be loaded is placed; the front stepped operating platform and the middle stepped operating platform are arranged in parallel with the two sides of the vehicle body, and the left end and the right end of the back stepped operating platform symmetrically extend outwards to the two sides of the vehicle body along the outer part to form extended stepped operating platforms; in the unloading hanger station and the to-be-assembled hanger station, two rows of supporting tables which cross the vehicle body, are higher than the upper surface of the vehicle body and symmetrically extend outwards to two sides of the vehicle body are respectively arranged in parallel corresponding to the unloading hanger and the to-be-assembled hanger; a front guard rail, a middle guard rail and a rear guard rail are respectively arranged around the front stepped operating platform, the middle stepped operating platform and the rear stepped operating platform; side stepped vehicle ladders are respectively arranged on two sides of the front stepped operating platform and the middle stepped operating platform, and a rear stepped vehicle ladder is arranged at the tail end of the vehicle body; and arranging an auxiliary vertical ladder of the trailer body on the trailer body corresponding to the vertical ladder for climbing arranged on the unloading lifting appliance and the lifting appliance to be loaded.

2. The general change trailer for the ordinary spreader and the rotary spreader of the container for the shore bridge or the yard bridge as claimed in claim 1, wherein the front step type operation table and the middle step type operation table have their steps facing the front end of the vehicle body, the back step type operation table has their steps facing the rear end of the vehicle body, and the front step type operation table has a height of 0.6-0.65 m; the height of the middle step type operating platform and the height of the back step type operating platform are 1-1.1 m.

3. The general change trailer for the ordinary spreader and the rotary spreader for the shore bridge or the yard bridge according to claim 1 or 2, wherein each of the two rows of the supporting platforms is composed of two sub-supporting platforms arranged at intervals, the height of each sub-supporting platform is 0.4-0.5m, and a positioning guide plate is arranged at the extended end of the table top of each sub-supporting platform corresponding to the shape of the corresponding unloaded spreader or the to-be-loaded spreader.

4. The general spreader and rotary spreader replacement trailer for quayside or yard bridge containers as claimed in claim 1 or 2, wherein said front guard rail is composed of two front fences disposed on the left and right sides of the front stepped console and a safety chain disposed on the side of the step surface of the front stepped console and connected between the two front fences; the middle protective guard consists of middle fences arranged on the left side and the right side of the middle step type operating platform and a safety chain which is positioned on the step surface side of the middle step type operating platform and is connected between the two middle fences; the rear protective fence is composed of two right-angle bent fences which wrap the left side and the right side of the rear stepped operating platform and extend to the side of the step surface of the rear stepped operating platform, and a safety chain which is positioned on the side of the step surface of the rear stepped operating platform and is connected between the two right-angle bent fences.

5. The general spreader and rotary spreader replacement trailer for shore or yard bridges as claimed in claim 3, wherein said front guard rail comprises two front fences disposed on the left and right sides of the front stepped console and a safety chain disposed on the side of the step surface of the front stepped console and connected between the two front fences; the middle protective guard consists of middle fences arranged on the left side and the right side of the middle step type operating platform and a safety chain which is positioned on the step surface side of the middle step type operating platform and is connected between the two middle fences; the rear protective fence is composed of two right-angle bent fences which wrap the left side and the right side of the rear stepped operating platform and extend to the side of the step surface of the rear stepped operating platform, and a safety chain which is positioned on the side of the step surface of the rear stepped operating platform and is connected between the two right-angle bent fences.

6. The general change trailer for the ordinary spreader and the rotary spreader of the container for the shore bridge or the yard bridge as claimed in claim 1 or 2, wherein step guardrails are respectively disposed at both sides of the side step type vehicle step and the back step type vehicle step.

7. The general change trailer for the ordinary spreader and the rotary spreader of the container for the shore bridge or the yard bridge as claimed in claim 5, wherein step guardrails are respectively disposed at both sides of the side step type vehicle ladder and the back step type vehicle ladder.

8. The general replacement trailer for the ordinary spreader and the rotary spreader for the shore bridge or the yard bridge according to claim 1 or 2, wherein wheel wedges are respectively disposed on the outer sides of front and rear wheels of a train of the trailer in a parking state, and a wheel wedge basket for accommodating the wheel wedges is disposed on the trailer body.

9. The general change trailer for the ordinary spreader and the rotary spreader of the container for the shore bridge or the yard bridge as claimed in claim 7, wherein wheel wedges are respectively disposed at outer sides of front and rear wheels of a train of the trailer in a parking state, and a wheel wedge basket for accommodating the wheel wedges is disposed on the trailer body.

10. The general spreader and rotary spreader replacement trailer for shore or yard bridges as claimed in claim 9, wherein the wheel wedge comprises a base plate, a cambered plate attached to the surface of the wheel, two vertical support plates fixedly supported between the cambered plate and the base plate, and a handle, wherein the front edge of the cambered plate is fixedly connected to the front edge of the base plate, one end of the handle is fixedly connected to the back surface of the cambered plate between the two vertical support plates, and the other end of the handle is fixedly connected to the base plate.