WO2020224047A1

WO2020224047A1 - Moving wire rope reeving system and moving mechanism for external lower trolley of conventional quay crane

Info

Publication number: WO2020224047A1
Application number: PCT/CN2019/095668
Authority: WO
Inventors: 赵迎九; 肖强; 郭树旺; 郑雪峰
Original assignee: 华电重工股份有限公司
Priority date: 2019-05-04
Filing date: 2019-07-12
Publication date: 2020-11-12
Also published as: CN110027986B; SG11202112179TA; CN110027986A

Abstract

A moving wire rope reeving system and moving mechanism for an external lower trolley of a conventional quay crane, comprising a lower trolley moving mechanism (5) and a lower trolley moving reeving system (6). The lower trolley moving mechanism (5) drives a lower trolley (3) to move along a double-trapezoidal four-rail girder (1) by means of the lower trolley moving reeving system (6). The lower trolley moving mechanism (5) is provided in a machine room (4). The lower trolley moving mechanism (5) comprises a lower trolley moving mechanism A (8) and a lower trolley moving mechanism B (9). The lower trolley moving mechanism A (8) and the lower trolley moving mechanism B (9) are provided at the left side and the right side of an upper trolley moving mechanism (7), respectively. According to the moving wire rope reeving system and moving mechanism for an external lower trolley of a conventional quay crane, by means of smart structure design, the problem of disposing the moving mechanism and the like can be solved without reconstructing the machine room; in addition, a moving steel wire rope reeving system for adding a lower trolley is designed, thereby ensuring that the lower trolley moves along the outer side of the girder.

Description

Walking wire rope winding system and walking mechanism of traditional quay crane with external lower trolley

Technical field

The invention relates to the technical field of novel high-efficiency container handling equipment, in particular to a walking wire rope winding system and a walking mechanism of a traditional quay crane externally mounted trolley.

Background technique

At present, the traditional single trolley quay crane is most widely used at home and abroad, which uses a single trolley to load and unload containers. The single-machine loading and unloading efficiency reaches the limit, which still cannot meet the requirements of the terminal for loading and unloading efficiency. When facing large container ships, increasing the number of quay crane operations is often used to improve ship unloading efficiency. Due to the distance between quay crane operations, simply increasing the number of quay crane operations can no longer meet the shipping customers’ demand for ship time efficiency. If the traditional single-trolley quay crane is directly abandoned and a more advanced quay crane system is built and replaced, it will face huge investment costs and a huge waste of existing resources. Therefore, in order to reduce investment costs and improve the efficiency of loading and unloading of traditional quay cranes, it is necessary to break through the traditional thinking and upgrade the traditional quay cranes. First, transform the existing quay crane girder into a double trapezoidal four-track girder, that is, the original upper trolley running track is laid on the inside of the girder, and the original upper trolley runs on the track inside the girder; the new lower trolley running track is laid on the outside of the girder , The new trolley is hanging upside down to walk on the track outside the beam.

In the process of upgrading and transformation, the installation position and arrangement of the newly added trolley's walking mechanism and the walking wire rope winding system face certain technical problems, which are mainly reflected in the limited space of the traditional quay crane machine room. The traditional quay crane has a simple structure and small size on the original upper trolley, and the simple walking wire rope winding system can realize its walking. However, the newly-added lower trolley structure is more complicated, so a design is required. Set of wire rope winding system to ensure the stable running of the lower trolley.

Summary of the invention

The purpose of the present invention is to provide a walking wire rope winding system and a walking mechanism for a traditional quay crane with an external lower trolley. Through clever structural design, it is possible to realize the positioning problems of the walking mechanism without the need for machine room modification, and a set of The new walking wire rope winding system of the lower trolley ensures that the lower trolley runs along the outside of the beam.

To solve the above technical problems, the present invention adopts the following technical solutions:

The traditional quay crane is equipped with the walking wire rope winding system and the walking mechanism of the lower trolley, and the upper trolley traveling mechanism of the upper trolley is arranged in the quay crane machine room. The invention includes a lower trolley walking mechanism and a lower trolley walking winding system. The lower trolley travel mechanism drives the lower trolley to move along the double trapezoidal four-track beam direction through the lower trolley walking winding system. The lower trolley travel mechanism is also placed in the machine room, where the lower trolley travel mechanism includes the lower trolley travel mechanism A and the lower trolley travel mechanism B. The lower trolley travel mechanism A and the lower trolley travel mechanism B are respectively arranged on the left side and Right. Due to the limited space of the machine room, the present invention can install the newly added lower trolley walking mechanism A and the lower trolley walking mechanism B. There is no need to build a new machine room, reduce transformation costs, make full use of the remaining space of the original machine room, improve space utilization, and also It can ensure the stable operation of the newly added trolley. Through the special structural design of the lower trolley traveling mechanism and the lower trolley walking winding system, the lower trolley traveling mechanism, the lower trolley traveling winding system, the upper trolley traveling mechanism, and the upper trolley traveling winding system are effectively staggered without interference; at the same time, the lower trolley The walking winding system and the lifting winding system of the lower trolley are also effectively staggered and do not interfere with each other.

The aforementioned traditional quay crane externally mounted lower trolley walking wire rope winding system and traveling mechanism, the lower trolley traveling mechanism A includes a traveling drum A, a motor, and a reducer, wherein one side of the reducer is connected to the motor, and the reducer The other side shaft is connected with a walking drum A; the lower trolley walking mechanism B includes a walking drum B, a motor, and a reducer, wherein one shaft of the reducer is connected with a motor, and the other shaft of the reducer is connected with a walking Reel B.

The aforementioned traditional quay crane is externally installed with the walking wire rope winding system and the walking mechanism of the lower carriage. The lower carriage winding system includes the lower carriage winding group A and the lower carriage winding group B. The lower carriage travel mechanism A is wound by the lower carriage walking Group A drives the lower trolley to move forward, and the lower trolley travel mechanism B drives the lower trolley to travel in the reverse direction by winding the lower trolley.

The aforementioned traditional quay crane externally mounted lower trolley walking wire rope winding system and traveling mechanism, the lower trolley includes a first horizontal support, a second horizontal support, a first vertical support A and a second vertical support B, of which the second One end of the horizontal bracket is vertically provided with a first vertical bracket A, and the other end of the second horizontal bracket is vertically provided with a second vertical bracket B. The first horizontal bracket is arranged above and parallel to the second horizontal bracket. , One end of the first horizontal bracket is connected with the first vertical bracket A, and the other end of the first horizontal bracket is connected with the second vertical bracket B. The lower trolley walking winding group A The lower trolley walking winding group A includes a forward traveling wire rope, and also includes a first quay crane reversing pulley and a second quay reversing pulley installed on both sides of the quay crane, and also includes a double The first beam redirecting pulley block and the second beam redirecting pulley block on both sides of the trapezoidal four-track beam also include the first lower car redirecting pulley group and the second lower car redirecting pulley group installed on the left and right sides of the first horizontal support. Including the lower trolley redirecting pulley a and the lower trolley redirecting pulley b installed on the left and right sides of the second horizontal support. One end of the forward walking wire rope is wound on the walking drum A, and the other end of the forward walking wire rope is passed around first The first girder is redirected to the pulley block, and then bypasses the first quay crane redirecting pulley, and then redirects 180° and then bypasses the first lower trolley redirecting pulley block, and is redirected vertically downwards to bypass the lower trolley redirecting pulley a, then Bypass the lower trolley reversing pulley b, vertically upward reversing the second lower trolley reversing pulley block, then reversing the second quay crane reversing pulley, and then bypass the second girder reversing pulley block after reversing 180° , And finally wound on the walking reel B.

In the aforementioned traditional quay crane externally placed lower trolley walking wire rope winding system and walking mechanism, the lower trolley walking winding group B includes the reverse walking wire rope, and also includes the third quay crane reversing pulley and the first quay crane installed on both sides of the quay crane The four quay bridge reversing pulleys also include the third lower trolley reversing pulley block and the fourth lower trolley reversing pulley block installed on the left and right sides of the first horizontal support, and the lower trolley reversing pulley installed on the left and right sides of the second horizontal support. Go to pulley c and get off the trolley to change to pulley d. One end of the reverse-traveling wire rope is wound on the walking drum A, and the winding direction of the reverse-traveling wire rope is opposite to that of the forward-traveling wire rope. One end first bypasses the third quay crane redirecting pulley, redirects 180° and then bypasses the third lower trolley redirecting pulley block, and then redirects vertically downwards bypassing the lower trolley redirecting pulley c, and then bypasses the lower trolley redirecting pulley c Pulley d, redirects vertically upwards, bypasses the fourth lower trolley redirecting pulley block, then bypasses the fourth quay crane redirecting pulley, and winds on the walking drum B after redirecting 180°. The winding of the forward traveling wire rope, the reverse traveling wire rope and the hoisting wire rope group on the lower trolley does not interfere with each other.

In the aforementioned traditional quay crane externally mounted trolley walking wire rope winding system and walking mechanism, a first tensioning device is also provided above the first girder redirecting pulley block, and the first tensioning device includes a hydraulic cylinder and a push rod , Wherein the end of the hydraulic cylinder is rotatably connected with one end of the push rod; the first beam redirecting pulley block includes a first pulley, a second tension pulley, and a third tension pulley, wherein the first pulley and the third tension pulley The second tension pulley is arranged above the first pulley and the third tension pulley. The second tension pulley is fixed to the end of the push rod away from the hydraulic cylinder. The second tension pulley is under the action of the push rod. It can move forwards and backwards; the forward-traveling wire rope first passes around the first pulley from below, passes the second tension pulley vertically upwards, and then passes through the third tension pulley vertically downwards after changing its direction by 180°. When the quay crane operation time is too long, the walking wire rope may be too tight or too loose. At this time, the first tensioning device can be used to adjust it; in addition, if the position of the container hoisted by the lower trolley is slightly incorrect, the first one can be adjusted. The tightening device makes the spreader of the lower trolley tilt to complete the operation of the box.

In the aforementioned traditional quay crane externally mounted trolley walking wire rope winding system and walking mechanism, a second tensioning device is also provided above the second girder redirecting pulley block, and the second tensioning device includes a hydraulic cylinder and a push rod , Wherein the end of the hydraulic cylinder is rotatably connected with one end of the push rod; the second girder redirection pulley block includes a fourth pulley, a fifth tension pulley, and a sixth pulley, wherein the fourth pulley and the sixth pulley are arranged in height , The fifth tension pulley is arranged above the fourth pulley and the sixth pulley. The fifth tension pulley is fixed on the end of the push rod away from the hydraulic cylinder. The fifth tension pulley can move forward and backward under the action of the push rod; The walking wire rope first goes around the sixth pulley from below, goes straight up to go around the fifth tension pulley, changes its direction to 180° and goes straight down to go around the fourth pulley. When the quay crane operation time is too long, the walking wire rope may be too tight or too loose. At this time, the second tensioning device can be used to adjust it; in addition, if the position of the container lifted by the lower trolley is slightly incorrect, the second one can be adjusted The tightening device makes the spreader of the lower trolley tilt to complete the operation of the box.

In the aforementioned traditional quay crane external trolley walking wire rope winding system and walking mechanism, the first lower trolley reversing pulley block includes the seventh pulley, the eighth pulley, the ninth pulley, and the tenth pulley, wherein the forward traveling wire rope first Go around the seventh pulley from below, turn to 180° and go around the eighth pulley horizontally, then go around the ninth pulley that is perpendicular to the eighth pulley, then go straight down the tenth pulley, and continue to go down. Get off the trolley and change to pulley a. The second lower trolley reversing pulley block includes the eleventh pulley, the twelfth pulley, the thirteenth pulley, and the fourteenth pulley. The positive walking wire rope first passes the eleventh pulley, and vertically passes the tenth pulley. The second pulley, then the thirteenth pulley, and then the fourteenth pulley that is arranged perpendicular to the thirteenth pulley, and the second quay crane reversing pulley after reversing 180°.

In the aforementioned traditional quay crane externally placed lower trolley walking wire rope winding system and walking mechanism, the third lower trolley redirecting pulley block includes the fifteenth pulley, the sixteenth pulley, the seventeenth pulley, and the eighteenth pulley. The walking wire rope first goes around the fifteenth pulley from below, changes its direction to 180°, then goes around the sixteenth pulley horizontally, then goes around the seventeenth pulley arranged vertically to the sixteenth pulley, and then goes straight down to pass the No. Eighteen pulleys, continue to bypass the lower trolley and change to pulley c. The fourth lower trolley reversing pulley block includes a nineteenth pulley, a twentieth pulley, a twenty-first pulley, and a twenty-second pulley. The reverse-traveling wire rope first goes around the nineteenth pulley, and then winds up vertically. After passing the twentieth pulley, continue to bypass the twenty-first pulley arranged perpendicular to the twentieth pulley, and then bypass the twenty-second pulley arranged perpendicular to the twenty-first pulley, and then bypass the fourth pulley after changing its direction to 180° Quayside crane is redirected to pulley.

The aforementioned traditional quay crane externally placed lower trolley walking wire rope winding system and walking mechanism, in which the third quay crane reversing pulley and the fourth quay crane reversing pulley are arranged in parallel and arranged in the front; the first girder is redirected The pulley block and the second girder reversing pulley block are arranged in parallel at the rear; the first quay crane reversing pulley and the second quay crane reversing pulley are arranged in parallel and at the rear; the first girder is redirected The pulley assembly is arranged between the walking drum A and the first quay crane redirecting pulley, and the second girder redirecting pulley is arranged between the walking drum B and the second quay crane redirecting pulley.

The aforesaid traditional quay crane externally placed lower trolley walking wire rope winding system and walking mechanism, in which the first lower trolley reversing pulley group, the second lower trolley reversing pulley group, the third lower trolley reversing pulley group, and the fourth lower trolley reversing pulley group The first lower trolley reversing pulley block, the second lower trolley reversing pulley block are arranged behind the lower trolley, the third lower trolley reversing pulley block, and the fourth lower trolley reversing pulley block are arranged in front of the lower trolley; Among them, the lower trolley reversing pulley a, the lower trolley reversing pulley b, the lower trolley reversing pulley c, and the lower trolley reversing pulley d are arranged at a high level, and the lower trolley reversing pulley a and the lower trolley reversing pulley b are arranged below Behind the trolley, the lower trolley reversing pulley c and the lower trolley reversing pulley d are arranged in front of the lower trolley.

In the aforementioned traditional quay crane externally mounted trolley walking wire rope winding system and walking mechanism, the outer side of the second horizontal bracket is also provided with a plurality of towing rope frames, and the walking drum A and the reverse walking wire rope are respectively arranged at Tow rope rack.

Compared with the prior art, the present invention has the following advantages:

1. Due to the limited space of the machine room, the present invention can accommodate the newly added lower trolley walking mechanism A and the lower trolley walking mechanism B. There is no need to build a new machine room, reduce renovation costs, make full use of the remaining space of the original machine room, and improve space utilization. , It can also ensure the stable operation of the newly added trolley;

2. Through the special structural design of the lower trolley walking mechanism and the lower trolley walking winding system, the lower trolley walking mechanism, the lower trolley walking winding system, the upper trolley walking mechanism and the upper trolley walking winding system are effectively staggered without interference; at the same time, The walking winding system of the lower trolley and the lifting winding system of the lower trolley are also effectively staggered and do not interfere with each other. Specifically, the winding of the forward traveling wire rope, the reverse traveling wire rope and the hoisting wire rope group on the lower trolley does not interfere with each other;

3. When the quay crane is running for too long, the walking wire rope may be too tight or too loose. At this time, the first tensioning device can be used to adjust it; in addition, if the position of the container hoisted by the lower trolley is slightly incorrect, you can adjust the first A tensioning device tilts the spreader of the lower trolley to complete the box matching operation; when the quay crane runs for too long, the walking wire rope may be too tight or too loose, at this time it can be adjusted by the second tensioning device; In addition, if the position of the container hoisted by the lower trolley is slightly incorrect, the spreader of the lower trolley can be tilted by adjusting the second tensioning device to complete the container operation;

In summary, the walking wire rope winding system and walking mechanism of this traditional quay crane externally mounted trolley, through the ingenious structural design, can realize the placement of the walking mechanism without the need for machine room transformation, and a new set of new The walking wire rope winding system of the lower trolley ensures that the lower trolley runs along the outside of the beam.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the quay crane in the present invention;

Figure 2 is a diagram of the layout of the machine room in the present invention;

Figure 3 is a schematic diagram of the structure of the lower trolley running mechanism of the present invention;

Figure 4 is a schematic diagram of the structure of the lower trolley walking winding system of the present invention;

Figure 5 is also a schematic diagram of the structure of the lower trolley walking winding system of the present invention.

Meaning of reference signs: 1-double trapezoidal four-track beam, 2-upper trolley, 3-lower trolley, 4-machine room, 5-lower trolley running mechanism, 6-lower trolley running winding system, 7-upper trolley running mechanism, 8-Lower trolley traveling mechanism A, 9-Lower trolley traveling mechanism B, 10-third quay crane reversing pulley, 11-walking drum A, 12-fourth quay crane reversing pulley, 13-first tensioning device , 14-Second tensioning device, 15-Forward walking wire rope, 16-First quay crane reversing pulley, 17-Reverse walking wire rope, 18-Second quay crane redirecting pulley, 19-First lower trolley change Reversing pulley block, 20-second lower trolley reversing pulley group, 21-third lower trolley reversing pulley group, 22-fourth lower trolley reversing pulley group, 23-first beam reversing pulley group, 24-towing rope rack, 25- The second girder reversing pulley group, 26-undercarriage winding group A, 27-undercarriage winding group B, 28-motor, 29-reducer, 30-undercarriage reversing pulley a, 31-undercarriage reversing pulley b, 32- walking drum B, 33- lower trolley reversing pulley c, 34- first horizontal support, 35- lower trolley reversing pulley d, 36- second horizontal support, 37- first vertical support A, 38-second vertical support B, 101-first pulley, 102-second tension pulley, 103-third pulley, 104-fourth pulley, 105-fifth tension pulley, 106-sixth pulley, 107 -Seventh pulley, 108-eighth pulley, 109-ninth pulley, 110-tenth pulley, 111-eleventh pulley, 112-twelfth pulley, 113-thirteenth pulley, 114-fourteenth pulley , 115-fifteenth pulley, 116-sixteenth pulley, 117-seventeenth pulley, 118-eighteenth pulley, 119-nineteenth pulley, 120-twentieth pulley, 121-twenty-first pulley , 122-22nd pulley.

The present invention will be further described below in conjunction with the drawings and specific embodiments.

Detailed ways

Embodiment 1 of the present invention: As shown in Figures 1 to 5, the traditional quay crane is externally equipped with a walking wire rope winding system and a walking mechanism for the lower trolley, and the upper trolley walking mechanism 7 of the upper trolley 2 is arranged in the quay crane machine room 4. The present invention includes a lower carriage running mechanism 5 and a lower carriage walking winding system 6. The lower carriage running mechanism 5 drives the lower carriage 3 to move along the double trapezoidal four-track beam 1 through the lower carriage walking winding system 6. The lower trolley travel mechanism 5 is also placed in the machine room 4. The lower trolley travel mechanism 5 includes a lower trolley travel mechanism A8 and a lower trolley travel mechanism B9. The lower trolley travel mechanism A8 and the lower trolley travel mechanism B9 are respectively located in the upper trolley travel mechanism 7. To the left and right. Due to the limited space of the machine room 4, the present invention can install the newly added lower carriage walking mechanism A8 and the lower carriage walking mechanism B9, without the need to build a new machine room, reduce the cost of renovation, make full use of the remaining space of the original machine room 4, and improve the space utilization rate. , But also to ensure the stable operation of the newly added trolley. Through the special structure design of the lower trolley traveling mechanism 5 and the lower trolley walking winding system 6, the lower trolley traveling mechanism 5, the lower trolley traveling winding system 6 and the upper trolley traveling mechanism 7, the upper trolley traveling winding system are effectively staggered without interfering with each other. ; At the same time, the lower trolley walking winding system 6 and the lower trolley hoisting winding system are also effectively staggered without interfering with each other.

Further, the lower trolley traveling mechanism A8 includes a traveling reel A11, a motor 28, and a reducer 29, wherein one side of the reducer 29 is connected to the motor 28, and the other side of the reducer 29 is connected to the traveling reel A11 The lower trolley traveling mechanism B9 includes a traveling reel B32, a motor 28, and a reducer 29, wherein one side of the reducer 29 is connected to the motor 28, and the other side of the reducer 29 is connected to the traveling reel B32. The lower carriage walking winding system 6 includes a lower carriage walking winding group A26 and a lower carriage walking winding group B27. The lower carriage walking mechanism A8 drives the lower carriage 3 to move forward through the lower carriage walking winding group A26, and the lower carriage walking mechanism B9 passes through the lower carriage winding group A26. The trolley walking winding group B27 drives the lower trolley 3 to travel in reverse.

Furthermore, the lower carriage 3 includes a first horizontal bracket 34, a second horizontal bracket 36, a first vertical bracket A37, and a second vertical bracket B38, wherein one end of the second horizontal bracket 36 is vertically provided with a first Vertical bracket A37, the other end of the second horizontal bracket 36 is vertically provided with a second vertical bracket B38, the first horizontal bracket 34 is arranged above and parallel to the second horizontal bracket 36, the first horizontal bracket 34 One end is connected to the first vertical support A37, and the other end of the first horizontal support 34 is connected to the second vertical support B38. The lower trolley traveling winding group A, the lower trolley traveling winding group A26 includes a forward traveling wire rope 15, and also includes a first quay crane redirecting pulley 16 and a second quay crane redirecting pulley 18 installed on both sides of the quay crane, and also includes The first beam redirecting pulley block 23 and the second beam redirecting pulley block 25 installed on both sides of the double trapezoidal four-track beam 1 also include the first lower trolley redirecting pulley block 19 and the second beam redirecting pulley block installed on the left and right sides of the first horizontal bracket 34 The second trolley redirecting pulley block 20 also includes the lower trolley redirecting pulleys a30 and the lower trolley redirecting pulley b31 installed on the left and right sides of the second horizontal bracket 36, wherein one end of the forward walking wire rope 15 is wound on the walking drum A11 , The other end of the forward walking wire rope 15 first bypasses the first girder redirecting pulley block 23, then bypasses the first quay crane redirecting pulley 16, and then redirects 180° and then bypasses the first lower trolley redirecting pulley block 19, vertical Redirect straight down to bypass the lower trolley redirecting pulley a30, then bypass the lower trolley redirecting pulley b31, redirect straight upwards to bypass the second lower trolley redirecting pulley block 20, and then redirect to bypass the second quay crane The reversing pulley 18, after being redirected by 180°, bypasses the second beam to redirect the pulley block 25, and finally is wound on the walking reel B32. The lower trolley walking winding group B27 includes a reverse traveling wire rope 17, and also includes a third quay crane redirection pulley 10 and a fourth quay crane redirection pulley 12 installed on both sides of the quay crane, and also includes a first horizontal support 34 The third lower trolley redirecting pulley block 21 and the fourth lower trolley redirecting pulley block 22 on the left and right sides also include the lower trolley redirecting pulley c33 and the lower trolley redirecting pulley d35 installed on the left and right sides of the second horizontal bracket 36, One end of the reverse walking wire rope 17 is wound on the walking drum A11, and the winding direction of the reverse walking wire rope 17 is opposite to that of the forward walking wire rope 15, and the other end of the reverse walking wire rope 17 goes around the third bank first. Bridge reversing pulley 10, after reversing 180°, bypassing the third lower trolley reversing pulley block 21, then reversing vertically downwards, bypassing the lower trolley reversing pulley c33, and then bypassing the lower trolley reversing pulley d35, vertical Redirect upwards and bypass the fourth lower trolley redirecting pulley block 22, then bypass the fourth quay crane redirecting pulley 12, and wind on the walking reel B32 after redirecting 180°. The winding of the forward traveling wire rope 15, the reverse traveling wire rope 17 and the hoisting wire rope group on the lower trolley 3 does not interfere with each other.

Specifically, a first tensioning device 13 is further provided above the first beam redirecting pulley block 23. The first tensioning device 13 includes a hydraulic cylinder and a push rod, wherein the end of the hydraulic cylinder and one end of the push rod Rotation connection; the first beam redirecting pulley block 23 includes a first pulley 101, a second tension pulley 102, and a third tension pulley 103, wherein the first pulley 101 and the third tension pulley 103 are arranged front and rear at the same height. The second tension pulley 102 is arranged above the first pulley 101 and the third tension pulley 103. The second tension pulley 102 is fixed to the end of the push rod away from the hydraulic cylinder. The second tension pulley 102 can be operated by the push rod. Moving forward and backward; wherein the forward walking wire rope 15 first bypasses the first pulley 101 from below, bypasses the second tension pulley 102 vertically, and then vertically bypasses the third tension pulley 103 after changing its direction by 180°. When the quay crane operation time is too long, the walking wire rope may be too tight or too loose. At this time, the first tensioning device 13 can be used to adjust it; in addition, if the position of the container hoisted by the lower trolley 3 is slightly incorrect, you can adjust the first A tension device 13 tilts the spreader of the lower trolley 3 to complete the box matching operation.

More specifically, a second tensioning device 14 is further provided above the second girder redirecting pulley block 25. The second tensioning device 14 includes a hydraulic cylinder and a push rod. The end of the hydraulic cylinder is connected to the push rod. One end is rotatably connected; the second girder redirection pulley block 25 includes a fourth pulley 104, a fifth tension pulley 105, and a sixth pulley 106. The fourth pulley 104 and the sixth pulley 106 are arranged in front and rear at the same height, and the fifth tension The pulley 105 is arranged above the fourth pulley 104 and the sixth pulley 106. The fifth tension pulley 105 is fixed to the end of the push rod away from the hydraulic cylinder. The fifth tension pulley 105 can move forward and backward under the action of the push rod; The traveling wire rope 15 first bypasses the sixth pulley 106 from below, bypasses the fifth tension pulley 105 vertically, and then bypasses the fourth pulley 104 vertically after changing its direction by 180°. When the quay crane operation time is too long, the walking wire rope may be too tight or too loose. At this time, the second tensioning device 14 can be used to adjust it; in addition, if the position of the container hoisted by the lower trolley 3 is slightly incorrect, you can adjust the first The second tensioning device 14 tilts the spreader of the lower trolley 3 to complete the box matching operation.

In addition, the first lower trolley redirecting pulley block 19 includes a seventh pulley 107, an eighth pulley 108, a ninth pulley 109, and a tenth pulley 110. The forward walking wire rope 15 first bypasses the seventh pulley 107 from below. After 180°, bypass the eighth pulley 108 horizontally, then bypass the ninth pulley 109 arranged perpendicular to the eighth pulley 108, and then bypass the tenth pulley 110 vertically, and continue to bypass the lower trolley redirection pulley a30. The second lower trolley reversing pulley block 20 includes an eleventh pulley 111, a twelfth pulley 112, a thirteenth pulley 113, and a fourteenth pulley 114. The forward walking wire rope 15 first bypasses the eleventh pulley 111, Pass the twelfth pulley 112 vertically upwards, then pass the thirteenth pulley 113, and then pass the fourteenth pulley 114 that is arranged perpendicular to the thirteenth pulley 113, and then bypass the second quay crane after turning 180° To the pulley 18. The third lower trolley reversing pulley block 21 includes a fifteenth pulley 115, a sixteenth pulley 116, a seventeenth pulley 117, and an eighteenth pulley 118, wherein the reverse walking wire rope 17 first bypasses the fifteenth pulley from below 115. After changing the direction to 180°, bypass the sixteenth pulley 116 horizontally, then bypass the seventeenth pulley 117 arranged perpendicular to the sixteenth pulley 116, and then bypass the eighteenth pulley 118 vertically and continue downward Bypass the lower trolley and change to pulley c33. The fourth lower trolley redirection pulley block 22 includes a nineteenth pulley 119, a twentieth pulley 120, a twenty-first pulley 121, and a twenty-second pulley 122. The reverse walking wire rope 17 first bypasses the nineteenth pulley 119, then bypass the twentieth pulley 120 vertically upwards, continue to bypass the twenty-first pulley 121 arranged perpendicular to the twentieth pulley 120, and then bypass the twenty-second pulley 121 arranged perpendicular to the twenty-first pulley 121 Pulley 122, after turning 180°, bypasses the fourth quay crane to redirect pulley 12.

Further, the third quay crane reversing pulley 10 and the fourth quay crane reversing pulley 12 are arranged in parallel and arranged in front of 5; the first girder reversing pulley block 23 and the second girder reversing pulley block 25 are of equal height The first quay crane reversing pulley 16 and the second quay crane reversing pulley 18 are arranged in parallel at the rear of 5; the first quay crane reversing pulley 16 and the second quay crane reversing pulley 18 are arranged in parallel at the rear of 5; the first girder reversing pulley group 23 is located on the walking roll Between the drum A11 and the first quay crane redirecting pulley 16, the second girder redirecting pulley group 25 is provided between the walking drum B32 and the second quay crane redirecting pulley 18.

Among them, the first lower trolley reversing pulley block 19, the second lower trolley reversing pulley block 20, the third lower trolley reversing pulley block 21, and the fourth lower trolley reversing pulley block 22 are arranged at a high level, and the first lower trolley reversing pulley block 19 , The second lower trolley reversing pulley block 20 is arranged behind the lower trolley 3, the third lower trolley reversing pulley block 21, and the fourth lower trolley reversing pulley block 22 are arranged in front of the lower trolley 3; the lower trolley reversing pulley a30, The lower trolley redirecting pulley b31, the lower trolley reversing pulley c33, and the lower trolley reversing pulley d35 are arranged at a high level, and the lower trolley reversing pulley a30 and the lower trolley reversing pulley b31 are arranged behind the lower trolley 3. The steering pulley c33 and the lower trolley reversing pulley d35 are arranged in front of the lower trolley 3. The outer side of the second horizontal support 36 is also provided with a plurality of tow rope racks 24. Specifically, two tow rope racks 24 can be provided on each side. The walking drum A11 and the reverse walking wire rope 17 are respectively provided on the towing rope. Shelf 24.

Embodiment 2: As shown in Figures 1 to 5, the traditional quay crane is externally equipped with a walking wire rope winding system and a walking mechanism for the lower trolley, and the upper trolley walking mechanism 7 of the upper trolley 2 is arranged in the quay crane machine room 4. The present invention includes a lower carriage running mechanism 5 and a lower carriage walking winding system 6. The lower carriage running mechanism 5 drives the lower carriage 3 to move along the double trapezoidal four-track beam 1 through the lower carriage walking winding system 6. The lower trolley travel mechanism 5 is also placed in the machine room 4. The lower trolley travel mechanism 5 includes a lower trolley travel mechanism A8 and a lower trolley travel mechanism B9. The lower trolley travel mechanism A8 and the lower trolley travel mechanism B9 are respectively located in the upper trolley travel mechanism 7. To the left and right. Due to the limited space of the machine room 4, the present invention can install the newly added lower carriage walking mechanism A8 and the lower carriage walking mechanism B9, without the need to build a new machine room, reduce the cost of renovation, make full use of the remaining space of the original machine room 4, and improve the space utilization rate. , But also to ensure the stable operation of the newly added trolley. Through the special structure design of the lower trolley traveling mechanism 5 and the lower trolley walking winding system 6, the lower trolley traveling mechanism 5, the lower trolley traveling winding system 6 and the upper trolley traveling mechanism 7, the upper trolley traveling winding system are effectively staggered without interfering with each other. ; At the same time, the lower trolley walking winding system 6 and the lower trolley hoisting winding system are also effectively staggered without interfering with each other.

The working principle of the present invention: The present invention provides a walking wire rope winding system and a walking mechanism for the lower trolley located on the outer side of the girder, which are used for the movement of the lower trolley along the girder after the traditional quay crane is upgraded and modified, without any interference with the upper trolley. Specifically: the conventional quay crane girder is transformed into a double trapezoidal four-track girder 1, a lower trolley 3 is mounted on the outer track of the girder, and the lower trolley running mechanism 5 in the engine room 4 drives the lower trolley 3 along the direction of the girder through the lower trolley walking winding system 6 Move up.

The lower trolley traveling mechanism 5 is specifically: the lower trolley traveling mechanism 5 includes the lower trolley traveling mechanism A8 and the lower trolley traveling mechanism B9, which are arranged on both sides of the upper trolley traveling mechanism 7, and the walking wire rope is composed of the lower trolley traveling mechanism A8 and the lower trolley traveling mechanism B9. Lead out, there is no interference with the steel wire rope of the upper trolley walking mechanism 7, effectively staggered. The arrangement position of the lower trolley traveling mechanism A8 and the lower trolley traveling mechanism B9 in the engine room 4 is determined by the layout width of the original quay crane girder, and the walking wire ropes are arranged along the outside of the quay crane double trapezoidal four-track girder 1.

The undercarriage walking winding system 6 is specifically as follows: as shown in FIG. 5, the undercarriage running mechanism 8 drives the undercarriage 3 to move forward through the undercarriage walking winding group A26. Specifically, one end of the forward walking wire rope 15 is wound on the walking drum A11, and the other end of the forward walking wire rope 15 first goes around the first pulley 101 from below, and goes vertically upwards around the second tensioning pulley 102, and redirects After 180°, bypass the third tension pulley 103 vertically downwards, and then bypass the first quay crane to redirect pulley 16, then turn to 180° and bypass the seventh pulley 107 from below, and then turn to 180° and wind horizontally. Pass the eighth pulley 108, then pass the ninth pulley 109 arranged perpendicularly to the eighth pulley 108, then pass the tenth pulley 110 vertically downwards, and redirect vertically downwards to bypass the lower trolley redirecting pulley a30, and then Bypass the lower trolley redirection pulley b31, the vertical upward redirection first bypasses the eleventh pulley 111, vertically upwards bypasses the twelfth pulley 112, then bypasses the thirteenth pulley 113, and then bypasses the thirteenth pulley. The fourteenth pulley 114 of the pulley 113 arranged vertically, after turning 180°, it bypasses the second quay crane to turn pulley 18, after turning 180°, it first bypasses the sixth pulley 106 from below, and bypasses the fifth one vertically upwards The tight pulley 105, after changing its direction by 180°, bypasses the fourth pulley 104 vertically, and is finally wound on the walking drum B32.

Among them, the lower carriage traveling mechanism B9 drives the lower carriage 3 to travel in the reverse direction through the lower carriage walking winding group B27. Specifically, one end of the reverse traveling wire rope 17 is wound on the traveling drum A11, and the winding direction of the reverse traveling wire rope 17 is opposite to the winding direction of the forward traveling wire rope 15, and the other end of the reverse traveling wire rope 17 goes around the first Sanquan bridge redirection pulley 10, redirection 180°, first bypass the fifteenth pulley 115 from below, redirection 180°, bypass the sixteenth pulley 116 horizontally, and then bypass the sixth pulley 116 arranged vertically with the sixteenth pulley 116 The seventeenth pulley 117, then the eighteenth pulley 118 vertically downwards, and then the vertical downward redirection bypasses the lower trolley redirection pulley c33, and then the lower trolley redirection pulley d35, and the vertical upward redirection first Go around the nineteenth pulley 119, then go straight up to the twentieth pulley 120, continue to go around the twenty-first pulley 121 arranged perpendicular to the twentieth pulley 120, and then go around perpendicular to the twenty-first pulley 121 The arranged 22nd pulley 122, after being redirected by 180°, bypasses the fourth quay crane redirection pulley 12, and after being redirected by 180°, it is wound on the walking drum B32. The winding of the forward traveling wire rope 15, the reverse traveling wire rope 17 and the hoisting wire rope group on the lower trolley 3 does not interfere with each other. The invention uses the unique lower trolley running mechanism 5 and the lower trolley walking winding system 6. The lower trolley travel winding system 6 and the upper trolley 2 wire ropes are effectively staggered without interfering with each other, and the lower trolley 3 is driven to move along the beam direction to achieve independent Walking, so that the two trolleys can work independently at the same time and improve the efficiency of the quay crane.

Claims

The traditional quay crane is equipped with the walking wire rope winding system and the walking mechanism of the lower trolley. The upper trolley (7) of the upper trolley (2) is arranged in the quay crane machine room (4), which is characterized in that it includes the lower trolley walking mechanism (5). ) And the lower trolley traveling winding system (6), the lower trolley traveling mechanism (5) drives the lower trolley (3) to move along the double trapezoidal four-track beam (1) through the lower trolley traveling winding system (6);

The lower trolley running mechanism (5) is also placed in the machine room (4). The lower trolley running mechanism (5) includes the lower trolley running mechanism A (8) and the lower trolley running mechanism B (9). The lower trolley running mechanism A (8) ) And the lower trolley traveling mechanism B (9) are respectively arranged on the left and right sides of the upper trolley traveling mechanism (7).
The walking wire rope winding system and walking mechanism of the traditional quay crane externally mounted trolley according to claim 1, wherein the walking mechanism A (8) of the lower trolley includes a walking drum A (11) and a motor (28) , Reducer (29), wherein one shaft of the reducer (29) is connected with a motor (28), and the other shaft of the reducer (29) is connected with a walking drum A (11); the lower trolley walking mechanism B(9) includes walking reel B(32), motor (28), reducer (29), one side of reducer (29) is connected with motor (28), and the other side of reducer (29) The shaft is connected with a walking reel B (32).
The walking wire rope winding system and walking mechanism of the traditional quay crane externally mounted lower trolley according to claim 2, wherein the lower trolley walking winding system (6) comprises a lower trolley walking winding group A (26) and a lower trolley Walking winding group B (27), the lower trolley travel mechanism A (8) drives the lower trolley (3) to move forward through the lower trolley winding group A (26), and the lower trolley travel mechanism B (9) travels the winding group through the lower trolley B (27) drives the lower trolley (3) to travel in reverse.
The walking wire rope winding system and walking mechanism of the traditional quay crane externally mounted lower trolley according to claim 3, wherein the lower trolley (3) includes a first horizontal support (34) and a second horizontal support (36) , The first vertical bracket A (37) and the second vertical bracket B (38), wherein one end of the second horizontal bracket (36) is vertically provided with the first vertical bracket A (37), the second horizontal bracket ( The other end of 36) is vertically provided with a second vertical bracket B (38), the first horizontal bracket (34) is arranged above and parallel to the second horizontal bracket (36), and the first horizontal bracket (34) One end of the first vertical support A (37) is connected, and the other end of the first horizontal support (34) is connected to the second vertical support B (38);

The lower trolley traveling winding group A (26) includes a forward traveling wire rope (15), and also includes a first quay crane reversing pulley (16) and a second quay crane reversing pulley (18) installed on both sides of the quay crane , It also includes the first beam redirecting pulley block (23) and the second beam redirecting pulley block (25) installed on both sides of the double trapezoidal four-track beam (1), and the left and right sides of the first horizontal bracket (34) The first lower trolley reversing pulley block (19), the second lower trolley reversing pulley block (20), and the lower trolley reversing pulley a(30) and the lower trolley installed on the left and right sides of the second horizontal bracket (36) Redirection pulley b (31), wherein one end of the forward walking wire rope (15) is wound on the walking drum A (11), and the other end of the forward walking wire rope (15) first bypasses the first beam redirecting pulley block (23) ), then bypass the first quay crane reversing pulley (16), then after 180°, bypass the first lower trolley reversing pulley block (19), and redirect vertically downwards to bypass the lower trolley reversing pulley a( 30), then bypass the lower trolley redirecting pulley b (31), vertically upward redirect to bypass the second lower trolley redirecting pulley block (20), and then redirect to bypass the second quay crane redirecting pulley (18), After reversing 180°, it bypasses the second beam to redirect the pulley block (25), and finally is wound on the walking drum B (32).
The walking wire rope winding system and walking mechanism of the traditional quay crane externally mounted trolley according to claim 4, wherein the walking winding group B (27) of the lower trolley includes the reverse walking wire rope (17), and also includes installation The third quay crane redirecting pulley (10) and the fourth quay crane redirecting pulley (12) on both sides of the quay crane also include the third lower trolley redirecting pulley block installed on the left and right sides of the first horizontal support (34) (21). The fourth lower trolley reversing pulley block (22), which also includes lower trolley reversing pulleys c(33) and lower trolley reversing pulley d(35) installed on the left and right sides of the second horizontal support (36), One end of the reverse walking wire rope (17) is wound on the walking drum A (11), and the winding direction of the reverse walking wire rope (17) is opposite to that of the forward walking wire rope (15), and the reverse walking wire rope ( The other end of 17) first bypasses the third quay crane redirecting pulley (10), and then bypasses the third lower trolley redirecting pulley block (21) after redirecting 180°, and then redirects vertically downwards to bypass the lower trolley redirection Pulley c (33), then bypass the lower trolley reversing pulley d (35), vertically upward reversing past the fourth lower trolley reversing pulley block (22), and then bypass the fourth quay crane reversing pulley (12) , And wind it on the walking reel B (32) after changing its direction to 180°.
The walking wire rope winding system and walking mechanism of the traditional quay crane externally mounted trolley according to claim 5, characterized in that, the first girder redirecting pulley block (23) is also provided with a first tensioning device (13) ), the first tensioning device (13) includes a hydraulic cylinder and a push rod, wherein the end of the hydraulic cylinder is rotatably connected with one end of the push rod; the first beam redirecting pulley block (23) includes a first pulley (101 ), the second tension pulley (102), the third tension pulley (103), the first pulley (101), the third tension pulley (103) and other heights are arranged front and rear, and the second tension pulley (102) is provided with Above the first pulley (101) and the third tension pulley (103), the second tension pulley (102) is fixed to the end of the push rod away from the hydraulic cylinder. The role of the second tension pulley (102) in the push rod It can move forwards and backwards; the forward walking wire rope (15) first goes around the first pulley (101) from below, goes straight up to go around the second tension pulley (102), and goes around 180° and goes straight down The third tensioning pulley (103).
The walking wire rope winding system and walking mechanism of the traditional quay crane externally mounted trolley according to claim 6, characterized in that, a second tensioning device (14) is provided above the second girder redirecting pulley block (25) ), the second tensioning device (14) includes a hydraulic cylinder and a push rod, wherein the end of the hydraulic cylinder is rotatably connected with one end of the push rod; the second beam redirecting pulley block (25) includes a fourth pulley (104 ), the fifth tensioning pulley (105), the sixth pulley (106), the fourth pulley (104), the sixth pulley (106) and other heights are arranged front and rear, and the fifth tensioning pulley (105) is set on the fourth pulley (104) and above the sixth pulley (106), the fifth tension pulley (105) is fixed to the end of the push rod away from the hydraulic cylinder, and the fifth tension pulley (105) can move forward and backward under the action of the push rod; The positive walking wire rope (15) first goes around the sixth pulley (106) from below, goes straight up to go around the fifth tension pulley (105), and then goes 180° and goes straight down to go around the fourth pulley (104) .
The walking wire rope winding system and walking mechanism of the traditional quay crane external lower trolley according to claim 7, characterized in that the first lower trolley redirecting pulley block (19) includes a seventh pulley (107) and an eighth pulley (108), the ninth pulley (109), and the tenth pulley (110), in which the forward walking wire rope (15) first goes around the seventh pulley (107) from below, and then bypasses the eighth pulley ( 108), and then bypass the ninth pulley (109) arranged perpendicular to the eighth pulley (108), and then bypass the tenth pulley (110) vertically, and continue to bypass the lower trolley to redirect pulley a (30 );

The second lower trolley redirecting pulley block (20) includes an eleventh pulley (111), a twelfth pulley (112), a thirteenth pulley (113), and a fourteenth pulley (114), in which the forward traveling wire rope (15) First bypass the eleventh pulley (111), bypass the twelfth pulley (112) vertically, then bypass the thirteenth pulley (113), and then bypass perpendicular to the thirteenth pulley (113) The arranged fourteenth pulley (114) is redirected 180° and then bypasses the second quay crane to redirect the pulley (18).
The walking wire rope winding system and walking mechanism of the traditional quay crane external lower trolley according to claim 8, wherein the third lower trolley redirecting pulley block (21) includes a fifteenth pulley (115), a tenth pulley Six pulleys (116), seventeenth pulleys (117), and eighteenth pulleys (118), of which the reverse walking wire rope (17) first goes around the fifteenth pulley (115) from below, and then goes around 180° horizontally Pass the sixteenth pulley (116), then pass the seventeenth pulley (117) arranged perpendicular to the sixteenth pulley (116), and then go straight down past the eighteenth pulley (118), and continue to go down Pass the trolley and redirect to pulley c(33);

The fourth lower trolley redirection pulley block (22) includes a nineteenth pulley (119), a twentieth pulley (120), a twenty-first pulley (121), and a twenty-second pulley (122). The walking wire rope (17) first circumvents the nineteenth pulley (119), then circumvents the twentieth pulley (120) vertically, and continues to circumvent the twenty-first pulley (which is perpendicular to the twentieth pulley (120)). 121), and then bypass the twenty-second pulley (122) arranged perpendicular to the twenty-first pulley (121), and then bypass the fourth quay crane redirecting pulley (12) after reversing 180°.
The walking wire rope winding system and walking mechanism of the traditional quay crane externally mounted trolley according to claim 9, wherein the third quay crane reversing pulley (10), the fourth quay crane reversing pulley (12), etc. Highly parallel arrangement, and arranged in front of 5; the first girder reversing pulley block (23), the second girder reversing pulley block (25) and other high parallel arrangement, and arranged at the rear of 5; the first quay crane reversing pulley ( 16). The second quay crane reversing pulley (18) is arranged in parallel at the same height and arranged behind 5; the first girder reversing pulley group (23) is set on the walking drum A (11) and the first quay crane reversing Between the pulleys (16), the second girder redirecting pulley group (25) is arranged between the walking drum B (32) and the second quay crane redirecting pulley (18).
The walking wire rope winding system and walking mechanism of the traditional quay crane external lower trolley according to claim 10, wherein the first lower trolley reversing pulley block (19), the second lower trolley reversing pulley block (20), The third lower trolley reversing pulley block (21), the fourth lower trolley reversing pulley block (22), etc. are arranged at a high level, and the first lower trolley reversing pulley block (19) and the second lower trolley reversing pulley block (20) are arranged in Behind the lower carriage (3), the third lower carriage redirecting pulley block (21) and the fourth lower carriage redirecting pulley block (22) are arranged in front of the lower carriage (3); the lower carriage redirecting pulley a (30), Lower trolley reversing pulley b (31), lower trolley reversing pulley c (33), lower trolley reversing pulley d (35), etc. are arranged at a high level, and lower trolley reversing pulley a (30), lower trolley reversing pulley b (31) is arranged behind the lower trolley (3), the lower trolley reversing pulley c (33) and the lower trolley reversing pulley d (35) are arranged in front of the lower trolley (3).
The walking wire rope winding system and walking mechanism of the traditional quay crane externally mounted trolley according to claim 11, characterized in that, the outer side of the second horizontal support (36) is also provided with a plurality of towing rope racks (24) The walking drum A (11) and the reverse walking wire rope (17) are respectively arranged on the towing rope frame (24).