Long nozzle mounting system, long nozzle holder and connecting device of long nozzle holder

Abstract

The utility model belongs to the technical field of iron and steel smelting, and discloses a long nozzle mounting system, a long nozzle holder and a connecting device thereof, the holder connecting device comprises a quick release module and a connecting frame, the connecting frame is used for being fixed on the holder, the quick release module comprises a first quick changer and a second quick changer, and the first quick changer and the second quick changer are fixed on the connecting frame. The first quick-changing device is installed on the connecting frame, the second quick-changing device is fixed to an external carrying instrument, and the first quick-changing device and the second quick-changing device are detachably connected. According to the technical scheme, the carrying instrument can conveniently lift the holder to move, the lifting efficiency of the holder is improved, and the labor intensity of workers is reduced. And meanwhile, the problem that the holder deforms and even fractures can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steel smelting, and in particular to a shroud installation system, a shroud holder and a connecting device thereof. Background Art

[0002] The shroud is a connecting pipe between the ladle and the tundish, which plays the role of isolating air and preventing molten steel from splashing out. At present, the shroud is mostly installed manually by controlling the holder to drive the shroud for installation. During installation, the installation angle of the holder needs to be adjusted frequently to ensure that the shroud can be smoothly installed on the downspout. In the actual operation process, the problem of insufficient length of the holder often occurs, which leads to the inability to install the shroud on the downspout. At this time, the placement of the holder needs to be adjusted. The existing adjustment method is mostly to move the holder by lifting the holder with a crane. There is no special lifting component on the holder for the crane to lift. If the holder is lifted directly, it will cause the holder to deform or even break. In addition, the process of lifting the holder by the crane is cumbersome, which leads to low lifting efficiency. In view of this, the utility model is proposed. Utility Model Content

[0003] In order to solve the problems that the process of directly lifting a holder by a crane is complicated, the lifting efficiency is low, and the holder may be deformed or even broken, the utility model provides a long shroud installation system, a long shroud holder and a connecting device thereof.

[0004] In order to solve the above technical problems, the utility model provides a gripper connecting device, the gripper connecting device includes a quick-release module and a connecting frame, the connecting frame is used to be fixed on the gripper, the quick-release module includes a first quick changer and a second quick changer, the first quick changer is installed on the connecting frame, the second quick changer is fixed on an external handling device, and the first quick changer and the second quick changer are detachably connected.

[0005] In an embodiment of the present utility model, the connecting frame includes an L-shaped connecting vertical plate and a connecting horizontal plate, the connecting vertical plate is fixedly connected to the holder, and the first quick changer is fixed on the connecting horizontal plate.

[0006] In an embodiment of the utility model, the connecting frame also includes a first reinforcing rib plate and a second reinforcing rib plate, the first reinforcing rib plate is fixed at the angle between the connecting vertical plate and the connecting horizontal plate, and the second reinforcing rib plate is fixed at the angle between the connecting vertical plate and the holder.

[0007] In an embodiment of the utility model, the quick release module further comprises a rotating member, a movable groove is provided on the connecting transverse plate, the rotating member is located in the movable groove and is rotatably connected to the connecting transverse plate, and the first quick changer is mounted on the surface of the rotating member.

[0008] In an embodiment of the utility model, the quick-release module also includes a clamping piece, a first groove is formed on the clamping piece, second grooves are formed on both sides of the connecting cross plate corresponding to the movable groove, a protruding rotating shaft is provided on the rotating piece, the clamping piece is installed on the connecting cross plate, and the first groove and the second groove are combined to form a rotating hole for the rotating shaft to rotate.

[0009] In an embodiment of the present utility model, the quick-release module further comprises a rotating member, a surface of the rotating member is provided with a rotating groove for the rotating member to rotate, and the first quick changer is connected to the rotating member via the rotating member.

[0010] In an embodiment of the utility model, the quick-release module further comprises an elastic member, a receiving area is provided at a position of the connecting transverse plate corresponding to the movable groove, and the elastic member is located in the receiving area and abuts against the rotating member.

[0011] In an embodiment of the present utility model, the connection mode between the first quick changer and the second quick changer includes any one of expansion connection, magnetic connection and buckle connection.

[0012] In order to solve the above technical problems, the utility model further provides a long shroud holder, the long shroud holder comprises a holder body and the above holder connecting device, the holder connecting device is fixed on the holder body.

[0013] In order to solve the above-mentioned technical problems, the utility model also provides a long water spout installation system, which includes a robot and the above-mentioned long water spout holder, the robot is arranged on one side of the long water spout holder, and a second quick changer is fixed on the robot, and the first quick changer is fixed on the long water spout holder, and the robot transports the long water spout holder by connecting the second quick changer and the first quick changer.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] By fixing the connecting frame on the holder and fixing the first quick changer on the connecting frame, and fixing the second quick changer on the external transport equipment, when the holder drives the long water outlet for installation and the length of the holder is insufficient, the transport equipment can drive the second quick changer to connect with the first quick changer, and the transport equipment can drive the holder to move its position, thereby compensating for the problem of insufficient length of the holder, improving the lifting efficiency of the holder, and further improving the installation efficiency of the long water outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the embodiments of the present utility model and constitute a part of the specification. Together with the following specific implementation methods, they are used to explain the embodiments of the present utility model, but do not constitute a limitation on the embodiments of the present utility model. In the accompanying drawings:

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the long shroud holder provided by an embodiment of the utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the holding device connection device provided by the embodiment of the utility model;

[0019] Figure 3 yes Figure 2 A in the enlarged view;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the long shroud installation system provided by an embodiment of the utility model.

[0021] Description of Reference Numerals

[0022] 1. gripper connection device; 11. quick release module; 12. connection frame; 111. first quick changer; 112. second quick changer; 113. rotating member; 1131. rotating shaft; 1132. rotating groove; 114. pressing member; 1141. first groove; 115. rotating member; 116. elastic member; 121. connecting horizontal plate; 1211. movable groove; 1212. second groove; 1213. accommodating area; 122. connecting vertical plate; 123. first reinforcing rib plate; 124. second reinforcing rib plate;

[0023] 2. Long shroud holder; 21. Holder body;

[0024] 3. Long nozzle installation system; 31. Robot;

[0025] 4. Long water outlet. DETAILED DESCRIPTION

[0026] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0027] See also Figure 1-Figure 3 , Figure 1 It is a three-dimensional structural schematic diagram of the long shroud holder provided by an embodiment of the utility model; Figure 2 It is a three-dimensional structural schematic diagram of the gripper connection device provided by an embodiment of the utility model; Figure 3 yes Figure 2The utility model provides a gripper connection device 1, the gripper connection device 1 comprises a quick release module 11 and a connection frame 12, the connection frame 12 is used to be fixed on the gripper, the quick release module 11 comprises a first quick changer 111 and a second quick changer 112, the first quick changer 111 is installed on the connection frame 12, the second quick changer 112 is fixed on an external transport device, and the first quick changer 111 and the second quick changer 112 are detachably connected.

[0028] By installing a gripper connecting device 1 on the gripper, the gripper can be lifted and moved by external equipment through the gripper connecting device 1. Specifically, the gripper connecting device 1 is fixed to the gripper through a connecting frame 12. By fixing a first quick changer 111 on the connecting frame 12 and fixing a second quick changer 112 on an external transporting device, the transporting device can lift the gripper through the connection between the first quick changer 111 and the second quick changer 112. Furthermore, when the gripper is not long enough for installing the long water nozzle 4, the gripper can be lifted and moved by the transporting device so that the moving range of the gripper can meet the installation of the long water nozzle 4, thereby improving the installation efficiency of the operator using the gripper to install the long water nozzle 4.

[0029] Since the first quick changer 111 is fixed on the connecting frame 12, and the second quick changer 112 is fixed on the transporting equipment, the transporting equipment can be connected between the first quick changer 111 and the second quick changer 112 to achieve the effect of quickly lifting the gripper. Compared with the method of directly lifting the gripper by the overhead crane in the prior art, the gripper connecting device 1 of the utility model can facilitate the transporting equipment to be quickly connected to the gripper and lift the gripper to move the position. Under the action of the connecting frame 12, the gripper can be prevented from being deformed or broken, and at the same time, the connection process between the transporting equipment and the gripper connecting device 1 can be simplified, thereby improving the lifting efficiency of the gripper.

[0030] In the above embodiment, the handling equipment includes any one of a robot, a crane, and an overhead crane. The second quick changer 112 is installed on any one of the above handling equipment so that the handling equipment can drive the second quick changer 112 to connect with the first quick changer 111, thereby realizing the lifting of the gripper, which is convenient for operators to lift the gripper to the desired position as needed.

[0031] In the embodiment of the present utility model, the connecting frame 12 includes an L-shaped connecting vertical plate 122 and a connecting horizontal plate 121 . The connecting vertical plate 122 is fixedly connected to the holder, and the first quick changer 111 is fixed on the connecting horizontal plate 121 .

[0032] By combining the connecting vertical plate 122 and the connecting horizontal plate 121 into an L shape, the connecting vertical plate can be fixed on the holder, and the first quick changer 111 can be fixed on the connecting horizontal plate 121, so that it is convenient for the operator to operate the handling equipment and control the second quick changer 112 to connect with the first quick changer 111 on the connecting horizontal plate 121. Then, it is convenient for the operator to operate the handling equipment to lift the holder to move the position, so that when the holder installs the long water outlet 4, the problem of insufficient length of the holder can be compensated by adjusting the position of the holder, so that the holder can drive and install the long water outlet 4 to the lower water outlet, thereby improving the installation efficiency of the long water outlet 4.

[0033] In an embodiment of the utility model, the connecting frame 12 also includes a first reinforcing rib plate 123 and a second reinforcing rib plate 124. The first reinforcing rib plate 123 is fixed at the angle between the connecting vertical plate 122 and the connecting horizontal plate 121, and the second reinforcing rib plate 124 is fixed at the angle between the connecting vertical plate 122 and the holder.

[0034] The first reinforcing rib plate 123 is fixed at the angle between the connecting vertical plate 122 and the connecting horizontal plate 121 to strengthen the structural strength between the connecting vertical plate 122 and the connecting horizontal plate 121, and the second reinforcing rib plate 124 is fixed at the angle between the connecting vertical plate 122 and the holder to strengthen the structural strength between the connecting vertical plate 122 and the holder, that is, the structural strength between the holder connecting device 1 and the holder is increased, and thus when the carrying equipment carries the holder through the holder connecting device 1, the holder connecting device 1 and the holder can be prevented from being deformed or even broken, thereby improving the service life of the holder connecting device 1 and the holder.

[0035] In the embodiment of the utility model, the quick release module 11 further includes a rotating member 113 . A movable groove 1211 is formed on the connecting transverse plate 121 . The rotating member 113 is located in the movable groove 1211 and is rotatably connected to the connecting transverse plate 121 . The first quick changer 111 is mounted on the surface of the rotating member 113 .

[0036] By providing a movement for the rotating member 113 to rotate on the connecting cross plate 121 and installing the first quick changer 111 on the surface of the rotating member 113, the holder can be lifted by connecting the second quick changer 112 and the first quick changer 111 when the holder is lifted by the handling equipment, and the rotation connection between the rotating member 115 and the connecting cross plate 121 allows the operator to adjust the angle of the holder in the vertical direction according to the environmental conditions, so that the operator can lift the holder to the desired position by the handling equipment, thereby improving the flexibility when carrying the holder.

[0037] In an embodiment of the utility model, the quick-release module 11 also includes a clamping piece 114, a first groove 1141 is opened on the clamping piece 114, second grooves 1212 are opened on both sides of the connecting cross plate 121 corresponding to the movable groove 1211, a protruding rotating shaft 1131 is provided on the rotating piece 113, the clamping piece 114 is installed on the connecting cross plate 121, and the first groove 1141 and the second groove 1212 are enclosed and combined to form a rotating hole for the rotating shaft 1131 to rotate.

[0038] By forming a first groove 1141 on the pressing member 114 and a second groove 1212 on the connecting transverse plate 121, the first groove 1141 and the second groove 1212 of the rotating shaft 1131 on the rotating member 113 can be rotated by cooperation. Specifically, the pressing member 114 and the connecting transverse plate 121 are connected by bolts. Before installing the pressing member 114, the rotating member 113 is first placed in the movable groove 1211, and the rotating shaft 1131 is accommodated in the second groove 1212. Then, by installing the pressing member 114 on the connecting transverse plate 121, the rotating member 113 is rotated. 21, and the first groove 1141 covers the rotating shaft 1131. At this time, the first groove 1141 and the second groove 1212 jointly enclose a rotating hole for the rotating shaft 1131 to rotate. The rotating member 113 can rotate relative to the connecting cross plate 121 under the cooperation of the rotating shaft 1131 and the rotating hole. Therefore, when the handling equipment is used to lift the holder to move the position, the operator can adjust the angle of the holder in the vertical direction according to the environmental conditions, so that the operator can lift the holder to the desired position through the handling equipment, thereby improving the flexibility of carrying the holder.

[0039] In the embodiment of the present invention, the quick release module 11 further comprises a rotating member 115 . A rotating groove 1132 is formed on the surface of the rotating member 113 for the rotating member 115 to rotate. The first quick changer 111 is connected to the rotating member 113 via the rotating member 115 .

[0040] By opening a rotating groove 1132 on the rotating member 115 for the rotating member 115 to rotate, and installing the first quick changer 111 on the surface of the rotating member 115, the holder can be driven to rotate under the rotation connection between the rotating member 115 and the rotating groove 1132. When the handling equipment is connected to the first quick changer 111 through the second quick changer 112, the rotating member 115 can be rotated together with the holder relative to the first quick changer 111 under the rotation of the rotating member 115, and the placement direction of the holder can be adjusted, so that the holder can be placed in a suitable direction for the installation of the long water nozzle 4, thereby improving the efficiency of the installation of the long water nozzle 4.

[0041] In the embodiment of the utility model, the quick release module 11 further includes an elastic member 116 . A receiving area 1213 is provided at a position of the connecting transverse plate 121 corresponding to the movable groove 1211 . The elastic member 116 is located in the receiving area 1213 and abuts against the rotating member 113 .

[0042] By providing a receiving area 1213 on the connecting transverse plate 121, and providing an elastic member 116 in the receiving area 1213 that abuts against the rotating member 113, the surface of the rotating member 113 can be kept parallel to the surface of the connecting transverse plate 121 under the abutment of the elastic member 116, so that the handling equipment can be connected to the first quick changer 111 through the second quick changer 112, thereby improving the lifting efficiency of the gripper, wherein the elastic member 116 is a spring, one end of the spring abuts against the bottom of the receiving area 1213, and the other end abuts against the surface of the rotating member 113, so that the surface of the rotating member 113 is kept parallel to the surface of the connecting transverse plate 121, so that the handling equipment can be connected to the first quick changer 111 through the second quick changer 112.

[0043] In the embodiment of the present invention, the connection method between the first quick changer 111 and the second quick changer 112 includes any one of expansion connection, magnetic connection and buckle connection.

[0044] By setting the connection mode of the first quick changer 111 and the second quick changer 112 to any one of expansion connection, magnetic connection and snap connection, the first quick changer 111 and the second quick changer 112 can be connected or disassembled more quickly, thereby improving the disassembly and assembly efficiency of the long water nozzle 4 clamp and the holder.

[0045] In one embodiment of the utility model, the first quick changer 111 and the second quick changer 112 are expanded and snap-fitted, that is, the first quick changer 111 is the quick-change female disc in the quick changer, and the second quick changer 112 is the quick-change male disc in the quick changer. After the quick-change male disc and the quick-change female disc are docked, the quick-change male disc is ventilated so that the piston in the quick-change male disc is inserted into the quick-change female disc and expands, thereby realizing the expansion snap-fitting of the quick-change male disc and the quick-change female disc, thereby improving the connection efficiency between the handling equipment and the connecting frame 12. During disassembly, the quick-change male disc is depressurized so that the piston contracts and withdraws from the quick-change female disc, thereby the quick-change male disc can be removed from the quick-change female disc, thereby improving the disassembly efficiency of the handling equipment and the connecting frame 12.

[0046] In another embodiment of the utility model, the first quick changer 111 and the second quick changer 112 are connected by magnetic attraction, that is, the first quick changer 111 is a magnetic part, and the second quick changer 112 is an electromagnet. After the electromagnet is attached to the magnetic part, the electromagnet is energized to make the electromagnet absorb the magnetic part and form a magnetic connection between the transport equipment and the connecting frame 12, thereby improving the connection efficiency between the transport equipment and the connecting frame 12. During disassembly, the electromagnet is powered off to make the magnetic part detach from the magnetic connection with the electromagnet, thereby removing the magnetic part from the electromagnet, thereby improving the disassembly efficiency between the transport equipment and the connecting frame 12.

[0047] See also Figure 1According to the above-mentioned holder connecting device 1, an embodiment of the utility model further provides a long water nozzle holder 2, the long water nozzle holder 2 comprises a holder body 21 and the above-mentioned holder connecting device 1, and the holder connecting device 1 is fixed on the holder body 21.

[0048] By fixing the gripper connecting device 1 on the gripper body 21, the gripper body 21 can be lifted and moved by external transport equipment through the gripper connecting device 1. When the gripper body 21 is not long enough for installing the long water outlet 4, the gripper body 21 can be lifted and adjusted by the transport equipment so that the length of the gripper body 21 after the adjustment can meet the installation of the long water outlet 4, thereby improving the installation efficiency of the operator using the gripper body 21 to install the long water outlet 4.

[0049] In an embodiment of the utility model, the holder connecting device 1 includes a quick-release module 11 and a connecting frame 12, the connecting frame 12 is used to be fixed on the holder body 21, the quick-release module 11 includes a first quick changer 111 and a second quick changer 112, the first quick changer 111 is installed on the connecting frame 12, the second quick changer 112 is fixed on an external carrying device, and the first quick changer 111 and the second quick changer 112 are detachably connected.

[0050] Since the first quick changer 111 is fixed on the connecting frame 12, and the second quick changer 112 is fixed on the transporting equipment, the transporting equipment can be connected to the first quick changer 111 and the second quick changer 112 to achieve the effect of quickly lifting the gripper. Compared with the method of directly lifting the gripper by the overhead crane in the prior art, the long water outlet gripper 2 of the utility model can facilitate the transporting equipment to be quickly connected to the gripper body 21 and lift the gripper body 21 to move the position. Under the action of the connecting frame 12, the gripper body 21 can be prevented from being deformed or broken. At the same time, it can also simplify the connection process between the transporting equipment and the gripper body 21, thereby improving the lifting efficiency of the gripper body 21.

[0051] See also Figure 4 , Figure 4 : is a three-dimensional structural diagram of the shroud installation system provided by the embodiment of the utility model. According to the above-mentioned shroud holder 2, the embodiment of the utility model also provides a shroud installation system 3, the installation system includes a robot 31 and the above-mentioned shroud holder 2, the robot 31 is arranged on one side of the shroud holder 2, and the robot 31 is fixed with a second quick changer 112, and the shroud holder 2 is fixed with a first quick changer 111, and the robot 31 moves the shroud holder 2 through the connection between the second quick changer 112 and the first quick changer 111.

[0052] By arranging the robot 31 on one side of the long water spout gripper 2 and fixing the second quick changer 112 on the robot 31, the robot 31 can lift the long water spout gripper 2 to move through the gripper connecting device 1, so that when the long water spout gripper 2 is not long enough when installing the long water spout 4, the long water spout gripper 2 can be lifted and positioned by the robot 31 so that the length of the long water spout gripper 2 after the adjustment can meet the installation of the long water spout 4, thereby improving the installation efficiency of the operator using the long water spout gripper 2 to install the long water spout 4.

[0053] In an embodiment of the utility model, the long water outlet gripper 2 includes a gripper body 21 and a gripper connecting device 1 fixed on the gripper body 21, the gripper connecting device 1 includes a quick-release module 11 and a connecting frame 12, the connecting frame 12 is used to be fixed on the gripper body 21, the quick-release module 11 includes a first quick changer 111 and a second quick changer 112, the first quick changer 111 is installed on the connecting frame 12, the second quick changer 112 is fixed on the external robot 31, and the first quick changer 111 and the second quick changer 112 are detachably connected.

[0054] Since the first quick changer 111 is fixed on the connecting frame 12, and the second quick changer 112 is fixed on the robot 31, the robot 31 can achieve the effect of quickly lifting the gripper by connecting the first quick changer 111 and the second quick changer 112. Compared with the method of directly lifting the gripper by the overhead crane in the prior art, the long water outlet gripper 2 of the utility model can facilitate the robot 31 to quickly connect with the gripper body 21 and lift the gripper body 21 to move the position. Under the action of the connecting frame 12, the gripper body 21 can be prevented from deformation or breakage. At the same time, it can also simplify the connection process between the robot 31 and the gripper body 21, thereby improving the lifting efficiency of the gripper body 21.

[0055] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0056] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, including the combination of various specific technical features in any appropriate manner. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations. However, these simple modifications and combinations should also be regarded as the contents disclosed by the present invention and belong to the protection scope of the present invention.

[0057] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A gripper connection device, characterized in that: The holder connection device includes a quick-release module and a connecting frame, the connecting frame is used to be fixed on the holder, the quick-release module includes a first quick changer and a second quick changer, the first quick changer is installed on the connecting frame, the second quick changer is fixed on an external transport device, and the first quick changer and the second quick changer are detachably connected.

2. The holder connection device according to claim 1, characterized in that: The connecting frame includes an L-shaped connecting vertical plate and a connecting horizontal plate. The connecting vertical plate is fixedly connected to the holder, and the first quick changer is fixed on the connecting horizontal plate.

3. The holder connection device according to claim 2, characterized in that: The connecting frame further comprises a first reinforcing rib plate and a second reinforcing rib plate, wherein the first reinforcing rib plate is fixed at an angle between the connecting vertical plate and the connecting horizontal plate, and the second reinforcing rib plate is fixed at an angle between the connecting vertical plate and the holder.

4. The holder connection device according to claim 2, characterized in that: The quick-release module also includes a rotating member, a movable groove is formed on the connecting transverse plate, the rotating member is located in the movable groove and is rotatably connected to the connecting transverse plate, and the first quick changer is installed on the surface of the rotating member.

5. The holder connection device according to claim 4, characterized in that: The quick-release module also includes a clamping piece, which is provided with a first groove. The connecting cross plate is provided with second grooves on both sides corresponding to the movable groove. A protruding rotating shaft is provided on the rotating piece. The clamping piece is installed on the connecting cross plate. The first groove and the second groove are combined to form a rotating hole for the rotating shaft to rotate.

6. The holder connection device according to claim 4, characterized in that: The quick-release module further includes a rotating member, a surface of which is provided with a rotating groove for the rotating member to rotate, and the first quick changer is connected to the rotating member via the rotating member.

7. The holder connection device according to claim 4, characterized in that: The quick-release module further comprises an elastic member, a receiving area is provided on the connecting transverse plate at a position corresponding to the movable groove, and the elastic member is located in the receiving area and abuts against the rotating member.

8. The holder connection device according to claim 1, characterized in that: The connection method between the first quick changer and the second quick changer includes any one of expansion connection, magnetic connection and buckle connection.

9. A shroud holder, characterized in that: The long shroud holder comprises a holder body and a holder connecting device as described in any one of claims 1 to 8, and the holder connecting device is fixed to the holder body.

10. A shroud installation system, characterized in that: The long water nozzle installation system includes a robot and the long water nozzle holder as described in claim 9, the robot is arranged on one side of the long water nozzle holder, and a second quick changer is fixed on the robot, and the first quick changer is fixed on the long water nozzle holder, and the robot transports the long water nozzle holder by connecting the second quick changer and the first quick changer.

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