Fine adjustment device for high-precision equipment installation

Abstract

The application provides a fine adjustment device for high-precision equipment installation and relates to the technical field of equipment installation. The fine adjustment device for high-precision equipment installation comprises a group of fine adjustment basic systems and four groups of fine adjustment lifting systems. The fine adjustment basic system comprises a hanger, an anchor point, an anti-falling support, mounting hole positions and steel belt hole positions. The mounting hole positions are arranged in the interiors of the four corners of the hanger respectively, and the steel belt hole positions are arranged in the interior of the hanger and located on the sides of the mounting hole positions respectively. The high-precision equipment to be installed is connected with the fine adjustment lifting system of the device through a lifting hook. A movable pulley system composed of a movable pulley and a fixed pulley is matched with a speed reduction system of a speed reduction box, so that the working stroke of a servo motor can be enlarged, the fine adjustment precision of installation is improved, the lifting and installation shaking of the lifting steel belt is avoided through the support and guidance of the outer sleeve on the inner sleeve, the shaking of traditional navigation hoists or gourd hoists is effectively overcome, and the device has compatibility and low use cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of equipment installation, in particular to a fine adjustment device for high-precision equipment installation. BACKGROUND

[0002] The water turbine generator is the main power equipment for producing electric energy in the hydropower station, and is a power generation equipment that converts water energy into electric energy by using the water turbine as a prime mover. When the water flows through the impeller of the water turbine, the impeller is driven to rotate, thereby converting the water energy into mechanical energy. The rotating shaft of the water turbine impeller drives the rotor of the generator to rotate, thereby realizing the conversion of mechanical energy into electric energy and outputting the effect.

[0003] During the installation of the water turbine unit, high-precision installation needs to be ensured, especially the rotating shaft of the generator and the rotating shaft of the impeller need to be in the same straight line, so as to ensure the smooth transmission of mechanical energy and reduce mechanical wear caused by insufficient coaxiality as much as possible. At present, the installation of the water turbine unit is realized by the sailing crane or the hoist, but both of them are sling devices. During the hoisting process, the water turbine unit has large mass and large inertia, which leads to large shaking. At the same time, it is restricted by the environmental factors of the site, thereby leading to insufficient installation precision of the water turbine unit and low installation work efficiency. Therefore, it is necessary to design a fine adjustment device for installation to improve the above-mentioned adverse situation and be compatible with the existing sailing crane or hoist, so as to improve the applicability of the fine adjustment device. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a fine adjustment device for high-precision equipment installation, which solves the problem of insufficient precision during the installation of high-precision equipment by the sailing crane or the hoist.

[0005] To achieve the above object, the present application is implemented by the following technical scheme: a fine adjustment device for high-precision equipment installation, comprising a group of fine adjustment base systems and four groups of fine adjustment lifting systems, the four groups of fine adjustment lifting systems are respectively arranged at the four corners of the fine adjustment base system, the fine adjustment base system comprises a hanger, an anchor point, an anti-falling support, mounting hole positions and steel belt hole positions, the mounting hole positions are respectively arranged inside the four corners of the hanger, the steel belt hole positions are respectively arranged inside the hanger beside each mounting hole position, the four groups of fine adjustment lifting systems each comprise a pair of supporting arms, a fixed shaft, a movable shaft, a traction steel belt and an outer sleeve, a winding drum and a reduction box, each pair of supporting arms is respectively arranged at the top of the hanger beside each mounting hole position, the inside of the supporting arm is provided with a sliding groove at the lower side, the outer diameter of the movable shaft is fixedly connected with a lifting fork arm at the middle part, the outer diameter of the movable shaft is rotatably connected with a movable roller at the middle part of the lifting fork arm, the outer diameter of the movable shaft is fixedly connected with a shaft seat at both ends, and the shaft seat is respectively slidingly connected in the sliding groove at the lower side of the supporting arm.

[0006] Preferably, the outer diameter of the fixed shaft is fixedly connected to the inner side of the support arm at both ends, the outer diameter of the fixed shaft is fixedly connected to the connecting fork at the middle, and the outer diameter of the fixed shaft is rotatably connected to the fixed roller at the middle of the connecting fork.

[0007] Preferably, the reel is rotatably connected to the bottom of the hanger beside each steel belt hole, the reduction box is fixedly connected to the bottom of the hanger beside each reel, and the output end of the reduction box is connected to the rotating shaft of the reel.

[0008] Preferably, one end of the traction steel belt is fixedly connected to the outer diameter of the reel, the other end of the traction steel belt passes through the steel belt hole and around the top of the fixed roller and the bottom of the movable roller, and is fixedly connected to the bottom of the connecting fork.

[0009] Preferably, the bottom of the lifting fork is fixedly connected to the lifting steel belt, the bottom end of the lifting steel belt is fixedly connected to the base, and the bottom of the base is fixedly connected to the lifting hook.

[0010] Preferably, the outer diameter of the outer sleeve is inserted into the inner side of the mounting hole, the outer diameter of the outer sleeve is consistent with the inner diameter of the mounting hole, the outer sleeve is connected to the hanger through bolts, the inner side of the outer sleeve is provided with an inner sleeve, the outer diameter of the inner sleeve is consistent with the inner diameter of the outer sleeve, the inner sleeve can slide in the inner side of the outer sleeve, and the side port of the inner sleeve away from the outer sleeve is fixedly connected to the top of the base.

[0011] Preferably, the input end of the reduction box is fixedly connected to the servo motor, and the shell of the servo motor is fixedly connected to the shell of the reduction box.

[0012] Preferably, the anti-falling supports are arranged at the bottom of the hanger, the height of the anti-falling supports is greater than the height of the reduction box, and the anchor points are arranged at the middle of the top of the hanger, which are used for connecting with the ship crane or the hoist.

[0013] Working principle: the four corners of the high-precision equipment to be installed are connected with the fine adjustment lifting system of the device through the lifting hook, the sling of the navigation crane or the cableway is connected with the fine adjustment base system of the device through the anchor point, so that the equipment to be installed can be lifted to the installation position by the navigation crane or the cableway, the servo motor works to drive the reel to wind or release the traction steel belt, and then the base and the lifting hook are moved together by the lifting steel belt, so that the fine adjustment of the pitch angle of the high-precision equipment to be installed in the front, back, left and right directions is realized by the fine adjustment lifting system in different directions of the four corners, the purpose of high-precision installation is achieved, the working stroke of the servo motor is amplified by the movable pulley system composed of the movable roller and the fixed roller and the speed reduction system of the speed reducer, the lifting displacement of the lifting hook does not need to be too large because the device only needs to realize fine adjustment, the precision of unit displacement during lifting is improved by amplifying the working stroke of the servo motor, the overall installation fine adjustment precision of the device is improved, and when the lifting hook is lifted, the inner sleeve moves up and down synchronously in the outer sleeve by the base, the lateral support and guidance of the outer sleeve sidewall to the inner sleeve are utilized, so that the lifting swing of the lifting steel belt is avoided, and the device swing caused by inertia of the traditional navigation crane or cableway is effectively overcome, so that the installation precision is affected.

[0014] The application provides a fine adjustment device for high-precision equipment installation.

[0015] 1. The high-precision equipment to be installed is connected with the fine adjustment lifting system of the device through the lifting hook, the navigation crane or the cableway is connected with the fine adjustment base system of the device through the anchor point, the compatibility and applicability of the device are improved, the use cost is low, the servo motor works to drive the reel to wind or release the traction steel belt, and then the base and the lifting hook are moved together by the lifting steel belt, so that the fine adjustment of the pitch angle of the high-precision equipment to be installed in the front, back, left and right directions is realized by the fine adjustment lifting system in different directions of the four corners, and the purpose of high-precision installation is achieved.

[0016] 2. The movable pulley system composed of the movable roller and the fixed roller is used in cooperation with the speed reduction system of the speed reducer, the working stroke of the servo motor is amplified, the lifting displacement of the lifting hook does not need to be too large because the device only needs to realize fine adjustment, the precision of unit displacement during lifting is improved by amplifying the working stroke of the servo motor, and the overall installation fine adjustment precision of the device is improved.

[0017] 3、The base makes the inner sleeve move up and down synchronously inside the outer sleeve, the lateral support and guide of the outer sleeve to the inner sleeve, thereby avoiding the lifting and shaking of the lifting steel belt, and overcoming the device shaking caused by inertia of the traditional aerial crane or hoist, thereby affecting the installation precision. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a perspective view of the present application;

[0019] Figure 2 is Figure 1 is an enlarged view of A in the middle;

[0020] Figure 3 is a fine adjustment base system schematic diagram of the present application;

[0021] Figure 4 is a structural exploded schematic diagram of the fine adjustment lifting system of the present application;

[0022] Figure 5 is a schematic diagram of the internal structure of the fine adjustment lifting system of the present application;

[0023] Figure 6 is a schematic diagram of the present application.

[0024] Wherein, 1, hanger; 2, anchor point; 3, anti-falling support; 4, mounting hole; 5, steel belt hole; 6, support arm; 7, fixed shaft; 8, fixed roller; 9, connecting fork arm; 10, moving shaft; 11, shaft seat; 12, lifting fork arm; 13, lifting steel belt; 14, base; 15, lifting hook; 16, outer sleeve; 17, inner sleeve; 18, moving roller; 19, traction steel belt; 20, reel; 21, reduction box; 22, servo motor; 23, fine adjustment base system; 24, fine adjustment lifting system. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Embodiment one:

[0027] As Figures 1-6As shown, the fine adjustment device for high-precision equipment installation provided by the embodiment of the application comprises a set of fine adjustment base systems 23 and four sets of fine adjustment lifting systems 24, the four sets of fine adjustment lifting systems 24 are respectively arranged at four corners of the fine adjustment base system 23, the fine adjustment base system 23 comprises a hanger 1, an anchor point 2, an anti-falling support 3, mounting hole positions 4 and steel belt hole positions 5, the mounting hole positions 4 are respectively arranged inside four corners of the hanger 1, the steel belt hole positions 5 are respectively arranged inside the hanger 1 and located on the side of each mounting hole position 4, each of the four sets of fine adjustment lifting systems 24 comprises a pair of supporting arms 6, a fixed shaft 7, a movable shaft 10, a traction steel belt 19, an outer sleeve 16, a reel 20 and a speed reducer 21, each pair of supporting arms 6 is respectively arranged at the top of the hanger 1 and located on the side of each mounting hole position 4, the inner lower side of the supporting arm 6 is provided with a sliding groove, the outer diameter of the movable shaft 10 is fixedly connected with a lifting fork arm 12 at the middle part, the outer diameter of the movable shaft 10 is rotatably connected with a movable roller 18 at the middle part of the lifting fork arm 12, the outer diameter of the movable shaft 10 is fixedly connected with a shaft seat 11 at both ends, and the shaft seat 11 is slidingly connected in the sliding groove on the lower side of the supporting arm 6.

[0028] The outer diameter of the fixed shaft 7 is fixedly connected to the inner upper side of the supporting arm 6 at both ends, the outer diameter of the fixed shaft 7 is fixedly connected with a connecting fork arm 9 at the middle part, and the outer diameter of the fixed shaft 7 is rotatably connected with a fixed roller 8 at the middle part of the connecting fork arm 9.

[0029] The reel 20 is rotatably connected to the bottom of the hanger 1 and located on the side of each steel belt hole position 5, the speed reducer 21 is fixedly connected to the bottom of the hanger 1 and located on the side of each reel 20, and the output end of the speed reducer 21 is connected with the rotating shaft of the reel 20.

[0030] One end of the traction steel belt 19 is fixedly connected with the outer diameter of the reel 20, the other end of the traction steel belt 19 passes through the steel belt hole position 5 in sequence, passes around the upper side of the fixed roller 8 and the lower side of the movable roller 18, and is fixedly connected to the bottom of the connecting fork arm 9.

[0031] The lifting steel belt 13 is fixedly connected to the bottom of the lifting fork arm 12, the bottom end of the lifting steel belt 13 is fixedly connected with a base 14, and the bottom of the base 14 is fixedly connected with a lifting hook 15.

[0032] The input end of the speed reducer 21 is fixedly connected with a servo motor 22, and the shell of the servo motor 22 is fixedly connected with the shell of the speed reducer 21.

[0033] In this embodiment, the servo motor 22 works and drives the reel 20 to rotate through the reduction box 21, the reel 20 rotates to wind or release the traction steel belt 19, and the traction dynamic roller 18 moves up and down through the guidance and support of the fixed roller 8, and then the lifting fork arm 12 moves up and down through the dynamic shaft 10, and the lifting fork arm 12 can stably move up and down along the sliding groove inside the support arm 6 under the guidance and support of the dynamic shaft 10 and the shaft seat 11, and the base 14 and the lifting hook 15 move together through the lifting steel belt 13 when the lifting fork arm 12 moves, so that the four corners of the fine adjustment lifting system 24 are adjusted, and the fine adjustment of the pitch angle of the high-precision equipment to be installed in the front, back, left and right directions is realized, and the purpose of high-precision installation is achieved. The dynamic pulley system composed of the dynamic roller 18 and the fixed roller 8 is matched with the speed reduction system of the reduction box 21, and the working stroke of the servo motor 22 can be enlarged. Since the device only needs to realize fine adjustment, the lifting displacement of the lifting hook 15 does not need to be too large, so that the precision of unit displacement during lifting is improved by enlarging the working stroke of the servo motor 22, and the overall installation fine adjustment precision of the device is improved.

[0034] Embodiment two:

[0035] In order to improve the compatibility and safety of the device, the application provides another embodiment, a fine adjustment device for high-precision equipment installation, which comprises a set of fine adjustment basic system 23 and four sets of fine adjustment lifting system 24, the four sets of fine adjustment lifting system 24 are respectively arranged at the four corners of the fine adjustment basic system 23, the fine adjustment basic system 23 comprises a hanging bracket 1, an anchor point 2, an anti-falling support 3, installation hole positions 4 and steel belt hole positions 5, the installation hole positions 4 are respectively arranged inside the four corners of the hanging bracket 1, the steel belt hole positions 5 are respectively arranged inside the hanging bracket 1 and located beside each installation hole position 4, and each of the four sets of fine adjustment lifting system 24 comprises a pair of support arms 6, a fixed shaft 7, a dynamic shaft 10, a traction steel belt 19, an outer sleeve 16, a reel 20 and a reduction box 21, each pair of support arms 6 is arranged at the top of the hanging bracket 1 and located beside each installation hole position 4, the inside of each support arm 6 is provided with a sliding groove, the outer diameter of the dynamic shaft 10 is fixedly connected with a lifting fork arm 12 in the middle, the outer diameter of the dynamic shaft 10 is rotatably connected with a dynamic roller 18 in the middle, the outer diameter of the dynamic shaft 10 is fixedly connected with a shaft seat 11 at both ends, and the shaft seat 11 is respectively and slidingly connected in the sliding groove on the lower side of the support arm 6.

[0036] The outer diameter of the fixed shaft 7 is fixedly connected to the inside of the support arm 6 at both ends, the outer diameter of the fixed shaft 7 is fixedly connected with a connecting fork arm 9 in the middle, and the outer diameter of the fixed shaft 7 is rotatably connected with a fixed roller 8 in the middle.

[0037] The winding drum 20 is rotatably connected to the bottom of the hanger 1 at the side of each steel belt hole 5, and the reduction box 21 is fixedly connected to the bottom of the hanger 1 at the side of each winding drum 20, and the output end of the reduction box 21 is connected to the rotating shaft of the winding drum 20.

[0038] The winding drum 20 is rotatably connected to the bottom of the hanger 1 at the side of each steel belt hole 5, and the reduction box 21 is fixedly connected to the bottom of the hanger 1 at the side of each winding drum 20, and the output end of the reduction box 21 is connected to the rotating shaft of the winding drum 20.

[0039] The lifting fork arm 12 is fixedly connected to the bottom of the lifting steel belt 13, and the bottom end of the lifting steel belt 13 is fixedly connected to the base 14, and the bottom of the base 14 is fixedly connected to the lifting hook 15.

[0040] The outer sleeve 16 is inserted into the mounting hole 4, and the outer diameter of the outer sleeve 16 is consistent with the inner diameter of the mounting hole 4, and the outer sleeve 16 is connected to the hanger 1 by bolts, and the inner sleeve 17 is arranged in the outer sleeve 16, and the outer diameter of the inner sleeve 17 is consistent with the inner diameter of the outer sleeve 16, and the inner sleeve 17 can slide in the outer sleeve 16, and the side port of the inner sleeve 17 away from the outer sleeve 16 is fixedly connected to the top of the base 14.

[0041] The input end of the reduction box 21 is fixedly connected to the servo motor 22, and the shell of the servo motor 22 is fixedly connected to the shell of the reduction box 21.

[0042] The anti-falling support 3 is arranged at the bottom of the hanger 1, and the height of the anti-falling support 3 is greater than the height of the reduction box 21, and the anchor point 2 is arranged at the middle of the top of the hanger 1, and is used for connecting with the crane or the hoist.

[0043] In this embodiment, the four corners of the high-precision device to be installed are connected to the fine adjustment lifting system 24 of the device through the lifting hook 15, and the lifting rope of the crane or the hoist is connected to the fine adjustment base system 23 of the device through the anchor point 2, so that the device to be installed can be lifted to the installation position by the crane or the hoist, and the device is compatible with the existing lifting tool, and the use cost is low, and the anti-falling support 3 can avoid the damage to the bottom reduction box 21 and the servo motor 22 when the device is accidentally dropped, and the use is safer, and when the lifting hook 15 is lifted, the inner sleeve 17 moves up and down in the outer sleeve 16 by the base 14, and the outer sleeve 16 side wall supports and guides the inner sleeve 17, so as to avoid the lifting of the lifting steel belt 13, and the device is not shaken by inertia, and the installation precision is not affected.

[0044] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A fine adjustment device for high-precision equipment installation, comprising a set of fine adjustment base systems (23) and four sets of fine adjustment lifting systems (24), characterized in that: Four groups of the fine adjustment lifting system (24) are respectively arranged at four corners of the fine adjustment base system (23), the fine adjustment base system (23) comprises a hanger (1), an anchor point (2), an anti-falling support (3), a mounting hole (4) and a steel belt hole (5), the mounting hole (4) is respectively arranged inside four corners of the hanger (1), the steel belt hole (5) is respectively arranged inside the hanger (1) and is located on the side of each mounting hole (4), four groups of the fine adjustment lifting system (24) all comprise a pair of supporting arms (6), a fixed shaft (7), a movable shaft (10) and a traction steel belt (19) and an outer sleeve (16), a winding drum (20) and a speed reducer (21), each pair of the supporting arm (6) is respectively arranged at the top of the hanger (1) and is located on the side of each mounting hole (4), the inside of the supporting arm (6) is provided with a sliding groove on the lower side, the outer diameter of the movable shaft (10) is fixedly connected with a lifting fork arm (12) in the middle, the outer diameter of the movable shaft (10) is rotatably connected with a movable roller (18) in the middle of the lifting fork arm (12), the outer diameter of the movable shaft (10) is fixedly connected with a shaft seat (11) at both ends, the shaft seat (11) is respectively and slidingly connected in the sliding groove on the lower side of the supporting arm (6), the winding drum (20) is rotatably connected at the bottom of the hanger (1) and is located on the side of each steel belt hole (5), the speed reducer (21) is fixedly connected at the bottom of the hanger (1) and is located on the side of each winding drum (20), the output end of the speed reducer (21) is respectively connected with the rotating shaft of the winding drum (20), the bottom of the lifting fork arm (12) is fixedly connected with a lifting steel belt (13), the bottom end of the lifting steel belt (13) is fixedly connected with a base (14), the bottom of the base (14) is fixedly connected with a lifting hook (15), the outer diameter of the outer sleeve (16) is respectively inserted into the inside of the mounting hole (4) on the upper side, the outer diameter of the outer sleeve (16) is consistent with the inner diameter of the mounting hole (4), the outer sleeve (16) is connected with the hanger (1) through bolts, the inside of the outer sleeve (16) is provided with an inner sleeve (17), the outer diameter of the inner sleeve (17) is consistent with the inner diameter of the outer sleeve (16), the inner sleeve (17) can slide in the inside of the outer sleeve (16), the side port of the inner sleeve (17) away from the outer sleeve (16) is respectively and fixedly connected with the top of the base (14); The outer diameter of the fixed shaft (7) is fixedly connected at both ends in the inside of the supporting arm (6) on the upper side, the outer diameter of the fixed shaft (7) is fixedly connected with a connecting fork arm (9) in the middle, the outer diameter of the fixed shaft (7) is rotatably connected with a fixed roller (8) in the middle of the connecting fork arm (9); The outer diameter of the winding drum (20) is fixedly connected with one end of the traction steel belt (19), the other end of the traction steel belt (19) passes through the steel belt hole (5) in sequence and is fixedly connected with the bottom of the connecting fork arm (9) after winding around the upper side of the fixed roller (8) and the lower side of the movable roller (18). The anti-falling supports (3) are arranged at the bottom four corners of the hanger (1) respectively, the height of the anti-falling supports (3) is greater than the height of the speed reducer (21), and the anchor points (2) are arranged at the middle of the top four sides of the hanger (1) respectively and are used for being connected with a hangar or a cableway.

2. The fine adjustment device for high-precision equipment installation according to claim 1, characterized in that: The input ends of the speed reducers (21) are fixedly connected with servo motors (22), and the housings of the servo motors (22) are fixedly connected with the housings of the speed reducers (21) respectively.

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