Low-voltage sleeve transfer equipment suitable for narrow space in main transformer chamber

Abstract

The invention discloses low-voltage sleeve transfer equipment suitable for a narrow space in a main transformer room, and belongs to the technical field of low-voltage sleeve transfer. The installation trolley module can be matched with the lifting module to complete transfer and installation of the low-voltage sleeve. The lifting module is provided with a supporting structure and a second walking mechanism. The lifting module comprises a lower platform lifting module, at least one group of middle platform lifting module and an upper platform lifting module; the outer side faces of the lower platform lifting module, the middle platform lifting module and the upper platform lifting module are each provided with at least two universal wheels which are evenly distributed and fixedly installed. The lower platform lifting module, the middle platform lifting module and the upper platform lifting module are sequentially and detachably stacked and fixedly connected from bottom to top. According to the invention, the low-voltage bushing can be transferred and mounted in a narrow space of a transformer substation, so that the whole device is more convenient and flexible.

Description

Technical Field

[0001] The invention belongs to the technical field of low-voltage bushing transportation, and in particular relates to low-voltage bushing transportation equipment suitable for a narrow space in a main transformer room. Background Art

[0002] The main transformer room is a special area in the substation for installing, operating and maintaining transformers and related equipment. It is mainly responsible for converting high-voltage electricity into low-voltage electricity to meet the needs of users at different voltage levels, and is the core link of power conversion in the power system.

[0003] The equipment in the main transformer room needs to be regularly maintained and serviced, including equipment cleaning, fastener inspection, insulation testing, etc. Any problems and hidden dangers found should be handled and repaired in a timely manner to ensure the normal operation of the equipment and extend its service life. For the transportation of low-voltage bushings in the narrow space of the main transformer room, it is necessary to design or select a highly adaptable and flexible equipment. Therefore, it is very necessary to invent a low-voltage bushing transportation equipment suitable for the narrow space of the main transformer room. Summary of the invention

[0004] To solve the above problems, the present invention provides the following technical solutions:

[0005] A low-voltage bushing transport equipment suitable for use in a narrow space in a main transformer room, comprising a lifting module and an installation trolley module; the installation trolley module can cooperate with the lifting module to complete the transport and installation of the low-voltage bushing; the lifting module is provided with a supporting structure and a walking mechanism;

[0006] The lifting module comprises a lower platform lifting module, at least one set of middle platform lifting modules and an upper platform lifting module; at least two universal wheels are evenly and fixedly installed on the outer sides of the lower platform lifting module, the middle platform lifting module and the upper platform lifting module; the lower platform lifting module, the middle platform lifting module and the upper platform lifting module are detachably stacked and fixedly connected in sequence from bottom to top;

[0007] Before the lower platform lifting module, the middle platform lifting module and the upper platform lifting module are assembled, they are moved independently in the aisle by corresponding universal wheels; after the lower platform lifting module, the middle platform lifting module and the upper platform lifting module are assembled, they are moved in the aisle by walking mechanism 2; the installation trolley module can be moved independently in the aisle before the lower platform lifting module, the middle platform lifting module and the upper platform lifting module are assembled; the installation trolley module can be placed on the upper platform lifting module for lifting after the lower platform lifting module, the middle platform lifting module and the upper platform lifting module are assembled.

[0008] Furthermore, the lower platform lifting module includes a hydraulic scissor support rod group, a lower support plate and an upper support plate 1; the bottom and top of the hydraulic scissor support rod group are respectively installed with the lower support plate and the upper support plate 1; the outer sides of the lower support plate and the upper support plate 1 are evenly fixedly installed with universal wheels; the upper support plate 1 is detachably fixedly connected to the middle platform lifting module; the support structure and the walking mechanism 2 are installed on the lower support plate;

[0009] The middle platform lifting module includes a lower support plate 2 and an upper support plate 2, and both have the same structure as the upper support plate 1; the upper platform lifting module includes a lower support plate 3 and an upper support plate 3; the lower support plate 3 has the same structure as the upper support plate 1; the upper support plate 3 of the upper platform lifting module is a flat plate for placing low-pressure casings; one side of the upper surface of the upper support plate 3 of the upper platform lifting module is evenly fixed with two hydraulic rotating clamps;

[0010] The lower support plate 2 is detachably fixedly connected to the upper support plate 1; the upper support plate 2 is detachably fixedly connected to the lower support plate 3.

[0011] Furthermore, the four corners of the upper support plate 1, the lower support plate 2, the upper support plate 2 and the lower support plate 3 are each penetrated with a connecting hole; the upper support plate 1 and the lower support plate 2 are fixedly connected by a connecting piece cooperating with the connecting hole; the upper support plate 2 and the lower support plate 3 are fixedly connected by a connecting piece cooperating with the connecting hole.

[0012] Furthermore, the installation trolley module includes a front frame, a rear frame, a side frame one and a side frame two; the front frame and the rear frame are detachably fixedly connected to the side frame one and the side frame two; a walking mechanism is slidably installed on each of the front frame and the rear frame; the front frame and the rear frame and the side frame one and the side frame two form a rectangular frame for transporting the low-voltage bushing; the low-voltage bushing is detachably fixedly installed in the rectangular frame.

[0013] Furthermore, the walking mechanism includes a driving member and a connecting plate; a column is fixedly installed at each end of the connecting plate; a universal wheel 2 is rotatably installed at the bottom end of the column; a driving member for driving the universal wheel 2 to move up and down is installed on the connecting plate; the driving member is rotatably installed on the corresponding front frame and rear frame; the connecting plate and the column are slidably installed on the corresponding front frame and rear frame; one end of the column with the universal wheel 2 slides out from the bottom of the corresponding front frame and rear frame.

[0014] Furthermore, the driving member includes an adjusting screw, an upper bearing and a lower bearing; the top end of the adjusting screw is sleeved with an upper bearing rotatably mounted thereon; the adjusting screw is meshed and mounted with a connecting plate; both ends of the adjusting screw leak out from the upper and lower sides of the connecting plate; the adjusting screw is rotatably mounted on the corresponding front frame and rear frame through the upper bearing and the lower bearing; the top end of the adjusting screw is rotatably extended from the top of the corresponding front frame and rear frame.

[0015] Furthermore, the second walking mechanism includes a driving mechanism and a roller seat; the driving mechanism is installed on the roller seat; the driving mechanism is rotatably installed on the lower support plate; universal wheels are rotatably installed on both sides of the bottom surface of the roller seat; the roller seat is slidably installed on the bottom surface of the lower support plate.

[0016] Furthermore, the driving mechanism includes an adjusting screw rod 2, a shaft sleeve and an anti-drop cap; the top end of the adjusting screw rod 2 is rotatably mounted with a shaft sleeve; the bottom end of the adjusting screw rod 2 is detachably fixed with an anti-drop cap; the adjusting screw rod 2 is meshed and mounted with a roller seat; both ends of the adjusting screw rod 2 are rotatably extended from the upper and lower sides of the roller seat; the adjusting screw rod 2 is rotatably mounted at one end of the lower support plate; the adjusting screw rod 2 is rotatably mounted on the lower support plate through the shaft sleeve; the two ends of the adjusting screw rod 2 are respectively rotatably extended from the upper and lower surfaces of the lower support plate.

[0017] Furthermore, the supporting structure includes a rotating arm, a bidirectional telescopic rod and a leg; two rotating arms are provided; one end of the two rotating arms is rotatably connected to an angle on the outer side of the lower support plate; the other end of each rotating arm is fixedly installed with a leg; the bidirectional telescopic rod is fixedly installed on the inner side of the lower support plate; and the two output ends of the bidirectional telescopic rod are fixedly installed with a leg.

[0018] Furthermore, two notches corresponding to the legs on the rotating arm are evenly distributed on the outer side of the lower support plate; the notches are used to place the legs after the rotating arm is folded.

[0019] The beneficial effects of the present invention are:

[0020] 1. The present invention can flexibly and smoothly lift the low-voltage bushing in a narrow aisle of a substation by setting a lifting module.

[0021] 2. The installation trolley module of the present invention can cooperate with the lifting module to complete the lifting, transportation and installation of the low-voltage bushing in the narrow space of the substation, thereby making the overall operation more convenient and flexible.

[0022] 3. The present invention is modularly arranged as a whole, which is convenient for assembly and disassembly, so that it can be flexibly moved and used in the narrow corridors of the substation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the lifting module structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of a single platform lifting module after contraction of the present invention;

[0026] Figure 4 It is a schematic diagram of the upper surface structure of the lower support plate of the present invention;

[0027] Figure 5 It is a schematic diagram of the bottom structure of the lower support plate of the present invention;

[0028] Figure 6 It is a schematic diagram of the structure of the installation trolley module and the low-voltage bushing of the present invention;

[0029] Figure 7 It is a schematic diagram of the structure of the installation trolley module of the present invention;

[0030] Figure 8 It is a schematic diagram of the walking mechanism structure of the present invention;

[0031] Fig. 9 It is a structural schematic diagram of the second walking mechanism of the present invention;

[0032] Fig.10 It is a schematic diagram of the partial enlarged structure of A of the present invention;

[0033] In the figure:

[0034] 1. Low-pressure casing; 2. Front frame; 21. Fixed ring; 22. Fixed parts; 3. Rear frame; 4. Side frame 1; 5. Side frame 2; 6. Travel mechanism; 61. Connecting plate; 62. Column; 63. Universal wheel 2; 64. Adjusting screw rod; 65. Upper bearing; 66. Lower bearing; 7. Travel mechanism 2; 71. Adjusting screw rod 2; 72. Bushing; 73. Anti-drop cap; 74. Roller seat; 75. Thread hole; 76. Universal wheel; 8. Hydraulic shear Fork support rod group; 81, upper support plate one; 82, lower support plate; 9, hydraulic scissor support rod two; 91, lower support plate two; 92, upper support plate two; 10, hydraulic scissor support rod three; 11, lower support plate three; 12, upper support plate three; 13, rotating arm; 14, two-way telescopic rod; 15, support leg; 16, notch; 17, connecting hole; 18, universal wheel; 19, hydraulic rotating clamp; 101, aisle; 102, transformer; 103 pipeline support. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only embodiments of a part of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0036] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] The present invention is further described below in conjunction with the accompanying drawings:

[0038] Example:

[0039] Reference Figure 1-10 , a low-voltage bushing transfer equipment suitable for the narrow space in the main transformer room, including a lifting module and an installation trolley module, wherein: the installation trolley module can cooperate with the lifting module to complete the transfer and installation of the low-voltage bushing 1; such as lifting the installation trolley module equipped with the low-voltage bushing 1 to the platform where the low-voltage bushing 1 is installed on the transformer 102 through the lifting module, and then transferring the low-voltage bushing 1 to the platform where the low-voltage bushing 1 is installed on the transformer 102 through the installation trolley module, and at the same time, during the lifting process of the lifting module, the stability of the low-voltage bushing 1 on the lifting module is ensured by the installation trolley module; the lifting module is provided with a supporting structure and a walking mechanism 27, and through the setting of the walking mechanism 27, after the lifting module is assembled, after the lower support plate 82 lies flat on the ground, it is convenient for the lifting module to move to the side close to the transformer 102;

[0040] In this embodiment, the lifting module includes a lower platform lifting module 8, at least one group of middle platform lifting modules 9 and an upper platform lifting module 10; at least two universal wheels 18 are evenly fixedly installed on the outer sides of the lower platform lifting module 8, the middle platform lifting module 9 and the upper platform lifting module 10; the lower platform lifting module 8, the middle platform lifting module 9 and the upper platform lifting module 10 are detachably stacked and fixedly connected from bottom to top, so that each lifting module can be disassembled and assembled separately and shrunk together separately. Since the shrunk size of a single platform lifting module is smaller than the size of the aisle 101, it can be flexibly moved in the aisle 101;

[0041] In the present embodiment, the lower platform lifting module 8, the middle platform lifting module 9 and the upper platform lifting module 10 are moved individually in the aisle 101 by the corresponding universal wheels 18 before being assembled. When they are moved to the desired positions, they are assembled to achieve the desired lifting height; the lower platform lifting module 8, the middle platform lifting module 9 and the upper platform lifting module 10 are moved in the aisle 101 by the walking mechanism 27 after being assembled; the installation trolley module can be moved individually in the aisle 101 before the lower platform lifting module 8, the middle platform lifting module 9 and the upper platform lifting module 10 are assembled; the installation trolley module can be placed on the upper platform lifting module 10 for lifting after the lower platform lifting module 8, the middle platform lifting module 9 and the upper platform lifting module 10 are assembled.

[0042] In this embodiment, the lower platform lifting module 8 includes a hydraulic scissor support rod group 81, a lower support plate 82 and an upper support plate 83; the bottom and top of the hydraulic scissor support rod group 81 are respectively installed with the lower support plate 82 and the upper support plate 83, and through the setting of the lower support plate 82, after the present invention is unfolded as a whole, it can contact the ground to ensure the stability of the overall lifting process; the outer sides of the lower support plate 82 and the upper support plate 83 are evenly fixedly installed with universal wheels 18; the upper support plate 83 is detachably fixedly connected to the middle platform lifting module 9; the support structure and the walking mechanism 2 7 are installed on the lower support plate 82;

[0043] In this embodiment, the difference between the middle platform lifting module 9, the upper platform lifting module 10 and the lower platform lifting module 8 is that: the lower support plate 2 91 and the upper support plate 2 92 of the middle platform lifting module 9 have the same structure as the upper support plate 1 83; the lower support plate 3 11 of the upper platform lifting module 10 has the same structure as the upper support plate 1 83, and the upper support plate 3 12 of the upper platform lifting module 10 is a flat plate for placing the low-voltage bushing 1; two hydraulic rotating clamps 19 are evenly fixedly installed on one side of the upper surface of the upper support plate 3 12 of the upper platform lifting module 10. Through the setting of the hydraulic rotating clamp 19, when the upper surface of the upper support plate 3 12 is flush with the plane on which the low-voltage bushing 1 is installed on the transformer 102, the hydraulic rotating clamp 19 is connected to the transformer 102, thereby ensuring the stability between the lifting module and the transformer 102;

[0044] In this embodiment, the lower support plate 2 91 and the upper support plate 1 83 are detachably fixedly connected; the upper support plate 2 92 and the lower support plate 3 11 are detachably fixedly connected.

[0045] In this embodiment, the four corners of the upper support plate 1 83, the lower support plate 2 91, the upper support plate 2 92 and the lower support plate 3 11 are each penetrated with a connecting hole 17; the upper support plate 1 83 and the lower support plate 2 91 are fixedly connected by a connecting member cooperating with the connecting hole 17; the upper support plate 2 92 and the lower support plate 3 11 are fixedly connected by a connecting member cooperating with the connecting hole 17; the connecting member adopts the existing technology, such as bolts, etc., but is not limited to this form of connecting member.

[0046] In this embodiment, the installation trolley module includes a front frame 2, a rear frame 3, a side frame 1 4 and a side frame 2 5; the four upper corners between the front frame 2 and the rear frame 3 and the side frame 1 4 and the side frame 2 5 are detachably fixedly connected by eyebolts, so that the lifting and hoisting with the sleeve can be realized through the hook and the lifting bayonet, and the disassembly and assembly structure between the front frame 2, the rear frame 3, the side frame 1 4 and the side frame 2 5 is set, so that the low-voltage sleeve 1 can be wrapped and fixed without moving the low-voltage sleeve 1; a fixing ring 21 is fixedly installed at the bottom of the front frame 2 and the rear frame 3; the front frame A walking mechanism 6 is slidably installed on each of the front and rear frames 2 and 3. Through the setting of the walking mechanism 6, after the low-voltage bushing 1 is fixed, the low-voltage bushing 1 can be transferred; the front frame 2 and the rear frame 3 and the side frame 1 4 and the side frame 2 5 form a rectangular frame for transporting the low-voltage bushing 1; the low-voltage bushing 1 is detachably fixedly installed in the rectangular frame; a fixing piece 22 is detachably fixedly installed on the low-voltage bushing 1; the fixing piece 22 is detachably fixedly connected to the fixing ring 21, such as being fixedly connected by a cable, so as to improve the firmness between the low-voltage bushing 1 and the installation trolley module.

[0047] In the present embodiment, the walking mechanism 6 comprises a driving member and a connecting plate 61; a column 62 is fixedly installed at each end of the connecting plate 61 so that the two columns 62 are connected together through the connecting plate 61 and the stability between the two columns 62 is ensured; a universal wheel 2 63 is rotatably installed at the bottom end of the column 62 so that the low-voltage bushing 1 is transferred on the translation track through the universal wheel 2 63; a driving member for driving the universal wheel 2 63 to move up and down is installed on the connecting plate 61 so as to adjust the height of the two columns 62 at the same time, so that when the low-voltage bushing 1 needs to be moved, the low-voltage bushing 1 can be raised, and when it is moved to the desired installation position, the low-voltage bushing 1 is allowed to fall, thereby making the transportation of the low-voltage bushing 1 more convenient and flexible; the driving member is rotatably installed on the corresponding front frame 2 and rear frame 3; the connecting plate 61 and the column 62 are slidably installed on the corresponding front frame 2 and rear frame 3; one end of the column 62 with the universal wheel 2 63 slides out from the bottom of the corresponding front frame 2 and rear frame 3.

[0048] In this embodiment, the driving member includes an adjusting screw 64, an upper bearing 65 and a lower bearing 66; the top end of the adjusting screw 64 is sleeved with an upper bearing 65 for rotation; the adjusting screw 64 is meshed and installed with the connecting plate 61; both ends of the adjusting screw 64 are exposed from the upper and lower sides of the connecting plate 61 to facilitate the operator to rotate the adjusting screw 64; the adjusting screw 64 is rotatably installed on the corresponding front frame 2 and rear frame 3 through the upper bearing 65 and the lower bearing 66; the top end of the adjusting screw 64 is rotatably extended from the top of the corresponding front frame 2 and rear frame 3.

[0049] In this embodiment, the walking mechanism 27 includes a driving mechanism and a roller seat 74; the driving mechanism is installed on the roller seat 74, and through the setting of the driving mechanism, the roller seat 74 can be driven to carry the universal wheel 76 for lifting and lowering, so that after the lifting module moves into place, the lower support plate 82 can be in contact with the ground; the driving mechanism is rotatably installed on the lower support plate 82; universal wheels 76 are rotatably installed on both sides of the bottom surface of the roller seat 74, and through the setting of the universal wheels 76, after the lifting module is unfolded, the unfolded lifting module can be moved more smoothly to the side close to the transformer 102 through the universal wheels 76; the roller seat 74 is slidably installed on the bottom surface of the lower support plate 82.

[0050] In this embodiment, the driving mechanism includes an adjusting screw rod 71, a sleeve 72 and an anti-drop cap 73; the top end of the adjusting screw rod 71 is rotatably mounted with a sleeve 72; the bottom end of the adjusting screw rod 71 is detachably fixedly mounted with an anti-drop cap 73; the adjusting screw rod 71 is meshed and mounted with a roller seat 74; both ends of the adjusting screw rod 71 are rotatably extended from the upper and lower sides of the roller seat 74; the adjusting screw rod 71 is rotatably mounted at one end of the lower support plate 82; the adjusting screw rod 71 is rotatably mounted on the lower support plate 82 through the sleeve 72; the two ends of the adjusting screw rod 71 are respectively rotatably extended from the upper and lower surfaces of the lower support plate 82, so that the operator can rotate the adjusting screw rod 71.

[0051] In this embodiment, the supporting structure includes a rotating arm 13, a bidirectional telescopic rod 14 and a leg 15; two rotating arms 13 are provided; one end of the two rotating arms 13 is rotatably connected to an angle on the outer side of the lower support plate 82; the other end of the rotating arm 13 is fixedly installed with a leg 15, and through the setting of the rotating arm 13 and the leg 15, the support angle between the leg 15 and the lower support plate 82 can be adjusted, thereby ensuring the stability of the lifting module during the lifting process; the bidirectional telescopic rod 14 is fixedly installed on the inner side of the lower support plate 82; the two output ends of the bidirectional telescopic rod 14 are each fixedly installed with a leg 15, and through the setting of the bidirectional telescopic rod 14 and the leg 15, after the lower support plate 82 is close to one side of the transformer 102, it will not affect the bidirectional telescopic rod 14 driving the leg 15 to unfold, thereby ensuring the stability of the lifting module during the lifting process.

[0052] In this embodiment, two notches 16 corresponding to the legs 15 on the rotating arm 13 are evenly distributed on the outer side of the lower support plate 82; the notches 16 are used to place the legs 15 after the rotating arm 13 is folded; through the setting of the notches 16, after the lower platform lifting module 8 is retracted, a hidden space is provided for the legs 15 on the rotating arm 13, thereby reducing the overall volume.

[0053] It should be noted that the lower platform lifting module 8, the middle platform lifting module 9 and the upper platform lifting module 10 all use double hydraulic cylinders; and the power unit of the lower platform lifting module 8, the middle platform lifting module 9 and the upper platform lifting module 10 and the hydraulic rotating fixture 19 is composed of a hydraulic power system, a control system and a mobile cart. The hydraulic power system and the control system are installed on the mobile cart. After the lifting device is assembled in place, it is connected to the power unit to provide power for the lifting device to work; the control system is integrated in the electric control box; a manual hydraulic valve is provided on the connecting pipeline between the hydraulic power system and the double hydraulic cylinders of the lower platform lifting module 8, the middle platform lifting module 9 and the upper platform lifting module 10 and the hydraulic rotating fixture 19;

[0054] A hydraulic pump station is used to drive the oil cylinder to lift smoothly, and it can be stably docked within the lifting range; the scissor support rods use rectangular tube type scissor support rods to increase the stability of the lifting platform and reduce the left and right shaking of the platform; the upper support plate is paved with patterned steel plates to prevent slipping; the electric control box is equipped with an emergency stop button to ensure the safety of on-site personnel and equipment; the manual hydraulic valve can be used to manually lower the equipment to the initial height in the event of a failure.

[0055] The device is suitable for working environments with a temperature range of -5℃ to 40℃ and a relative humidity daily average value not exceeding 95%. The vertical lifting frame is installed by assembly and equipped with anti-dumping fixing or supporting measures to ensure safe operation.

[0056] The low-voltage bushing 1 installation trolley module is made of lightweight, high-strength, and long-life materials. The material selection is flexible and is not limited to metal materials. Composite materials can also be used.

[0057] In this embodiment, when in use, the lower platform lifting module 8, the middle platform lifting module 9 and the upper platform lifting module 10 enter the work site in a folded posture with the side universal wheels 18 through the narrow corridor 101, and after reaching the designated position, they are turned 90 degrees to make the lower support plate 82 contact the ground, and the adjusting screw rod 2 71 is turned clockwise to drive the roller seat 74 to carry the universal wheel 76 to contact the ground, so that the lower support plate 82 can be lifted up, so that the lower support plate 82 is separated from the ground, and then assembled in sequence;

[0058] After the assembly is completed, the lower support plate 82 is pushed toward one side of the transformer 102, so that under the action of the universal wheel 76, the whole body can smoothly pass through the pipeline support 103 and move to the side close to the transformer 102; when the whole body moves to the side close to the transformer 102, the adjusting screw rod 2 71 is rotated counterclockwise to drive the roller seat 74 to carry the universal wheel 76 and separate from the ground, so that the lower support plate 82 contacts the ground, and the legs 15 are unfolded at the same time;

[0059] Finally, open the double hydraulic cylinders of the lower platform lifting module 8 and connect the power system, so that the low-pressure bushing 1 can be placed on the upper support plate three 12 for lifting work; when the upper surface of the upper support plate three 12 is flush with the plane on which the low-pressure bushing 1 is installed, it is connected to the plane on which the low-pressure bushing 1 is installed through the hydraulic rotating clamp 19 to ensure the stability of the low-pressure bushing 1 when it is transferred from the upper support plate three 12.

[0060] When the low-voltage bushing 1 is transported and installed by installing the trolley module, the front frame 2, the rear frame 3, the side frame 1 4 and the side frame 2 5 are wrapped around the outside of the low-voltage bushing 1, and the front frame 2, the rear frame 3, the side frame 1 4 and the side frame 2 5 are fixedly connected in sequence by eye bolts; at the same time, the fixing piece 22 can be fixedly installed on the low-voltage bushing 1 by bolts, and the fixing piece 22 and the fixing ring 21 are connected by a locking cable;

[0061] Then, the adjusting screw rod 64 is rotated clockwise to adjust the height of the two columns 62, and the low-voltage bushing 1 is raised so that the low-voltage bushing 1 can be carried and moved in the aisle 101 by the installation trolley module. After moving to the desired position, it is lifted to the upper support plate 3 12 by the low-position lifting and moving platform; after moving to the upper support plate 3 12, in order to ensure stability, the adjusting screw rod 64 is rotated counterclockwise at this time, and the low-voltage bushing 1 is dropped, so that the low-voltage bushing 1 contacts the upper support plate 3 12; thereby ensuring stability during the lifting process;

[0062] When the upper surface of the upper support plate 3 12 is flush with the plane on which the low-voltage bushing 1 is installed, the adjusting screw 64 is rotated clockwise to raise the low-voltage bushing 1 so that the low-voltage bushing 1 can be transferred from the upper support plate 3 12 by installing the trolley module;

[0063] When the low-voltage bushing 1 needs to be removed from the transformer 102 and transferred to the ground, the reverse operation can be performed.

[0064] Lifting module related parameters:

[0065] Serial number name Parameter Value Remark 1 Vertical lift height ≥7m 2 Rated load of vertical lift ≥600kg 3 Vertical lift lifting speed ≥5cm / s 4 Vertical lift lifting method Electric or hydraulic Power supply AC220V 5 Vertical lift lifting power Adapt to lifting speed and load 6 Vertical lift total weight Single module mass ≤150kg Assembly design available 7 Power Requirements Power supply AC220V Power cord length>10m 8 Service life 10 years

[0066] All kinds of components used in this embodiment are standard parts, and the specific connection methods of each part adopt mature conventional means such as threads, bolts, nesting, etc. in the prior art. Each structure adopts conventional materials in the prior art, which will not be described in detail here.

[0067] In summary, this embodiment can complete the transportation and installation of the low-voltage bushing in the narrow space of the substation, thereby making the whole more convenient and flexible.

[0068] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-voltage bushing transport equipment suitable for the narrow space in the main transformer room, characterized by: It comprises a lifting module and an installation trolley module; the installation trolley module can cooperate with the lifting module to complete the transportation and installation of the low-voltage bushing (1); the lifting module is provided with a supporting structure and a walking mechanism (7); The lifting module comprises a lower platform lifting module (8), at least one group of middle platform lifting modules (9) and an upper platform lifting module (10); at least two universal wheels (18) are evenly and fixedly installed on the outer side surfaces of the lower platform lifting module (8), the middle platform lifting module (9) and the upper platform lifting module (10); the lower platform lifting module (8), the middle platform lifting module (9) and the upper platform lifting module (10) are detachably stacked and fixedly connected in sequence from bottom to top; Before the lower platform lifting module (8), the middle platform lifting module (9) and the upper platform lifting module (10) are assembled, they are respectively moved in the aisle (101) by corresponding universal wheels (18); after the lower platform lifting module (8), the middle platform lifting module (9) and the upper platform lifting module (10) are assembled, they are moved in the aisle (101) by a second walking mechanism (7); before the lower platform lifting module (8), the middle platform lifting module (9) and the upper platform lifting module (10) are assembled, the installation trolley module can be moved in the aisle (101) by itself; after the lower platform lifting module (8), the middle platform lifting module (9) and the upper platform lifting module (10) are assembled, the installation trolley module can be placed on the upper platform lifting module (10) for lifting.

2. According to claim 1, a low-voltage bushing transport equipment suitable for narrow space in the main transformer room is characterized by: The lower platform lifting module (8) comprises a hydraulic scissor support rod group (81), a lower support plate (82) and an upper support plate (83); the bottom and top of the hydraulic scissor support rod group (81) are respectively mounted on the lower support plate (82) and the upper support plate (83); universal wheels (18) are evenly and fixedly mounted on the outer side surfaces of the lower support plate (82) and the upper support plate (83); the upper support plate (83) is detachably fixedly connected to the middle platform lifting module (9); the support structure and the walking mechanism (7) are mounted on the lower support plate (82); The middle platform lifting module (9) comprises a lower support plate 2 (91) and an upper support plate 2 (92), and both have the same structure as the upper support plate 1 (83); the upper platform lifting module (10) comprises a lower support plate 3 (11) and an upper support plate 3 (12); the lower support plate 3 (11) has the same structure as the upper support plate 1 (83); the upper support plate 3 (12) of the upper platform lifting module (10) is a flat plate for placing the low-pressure bushing (1); two hydraulic rotating clamps (19) are evenly fixedly installed on one side of the upper surface of the upper support plate 3 (12) of the upper platform lifting module (10); The lower support plate 2 (91) and the upper support plate 1 (83) are detachably fixedly connected; the upper support plate 2 (92) and the lower support plate 3 (11) are detachably fixedly connected.

3. According to claim 2, a low-voltage bushing transport equipment suitable for narrow space in the main transformer room is characterized by: The four corners of the upper support plate 1 (83), the lower support plate 2 (91), the upper support plate 2 (92) and the lower support plate 3 (11) are each penetrated with a connecting hole (17); the upper support plate 1 (83) and the lower support plate 2 (91) are fixedly connected by a connecting piece cooperating with the connecting hole (17); the upper support plate 2 (92) and the lower support plate 3 (11) are fixedly connected by a connecting piece cooperating with the connecting hole (17).

4. According to claim 1, a low-voltage bushing transport equipment suitable for narrow space in the main transformer room is characterized by: The installation trolley module comprises a front frame (2), a rear frame (3), a side frame one (4) and a side frame two (5); the front frame (2) and the rear frame (3) are detachably fixedly connected with the side frame one (4) and the side frame two (5); a walking mechanism (6) is slidably installed on each of the front frame (2) and the rear frame (3); the front frame (2) and the rear frame (3) and the side frame one (4) and the side frame two (5) form a rectangular frame for transporting a low-voltage bushing (1); the low-voltage bushing (1) is detachably fixedly installed in the rectangular frame.

5. According to claim 4, a low-voltage bushing transport equipment suitable for narrow space in the main transformer room is characterized in that: The walking mechanism (6) comprises a driving member and a connecting plate (61); a column (62) is fixedly mounted at each end of the connecting plate (61); a universal wheel (63) is rotatably mounted at the bottom end of the column (62); a driving member for driving the universal wheel (63) to move up and down is mounted on the connecting plate (61); the driving member is rotatably mounted on the corresponding front frame (2) and rear frame (3); the connecting plate (61) and the column (62) are slidably mounted on the corresponding front frame (2) and rear frame (3); one end of the column (62) with the universal wheel (63) slides out from the bottom of the corresponding front frame (2) and rear frame (3).

6. The low-voltage bushing transport equipment suitable for the narrow space in the main transformer room according to claim 5 is characterized by: The driving member comprises an adjusting screw rod (64), an upper bearing (65) and a lower bearing (66); the upper bearing (65) is sleeved and rotatably mounted on the top end of the adjusting screw rod (64); the adjusting screw rod (64) is meshed and mounted with the connecting plate (61); both ends of the adjusting screw rod (64) are exposed from the upper and lower sides of the connecting plate (61); the adjusting screw rod (64) is rotatably mounted on the corresponding front frame (2) and rear frame (3) through the upper bearing (65) and the lower bearing (66); the top end of the adjusting screw rod (64) is rotatably extended from the top of the corresponding front frame (2) and rear frame (3).

7. According to claim 2, a low-voltage bushing transport equipment suitable for narrow space in the main transformer room is characterized by: The second walking mechanism (7) comprises a driving mechanism and a roller seat (74); the driving mechanism is installed on the roller seat (74); the driving mechanism is rotatably installed on the lower support plate (82); universal wheels (76) are rotatably installed on both sides of the bottom surface of the roller seat (74); the roller seat (74) is slidably installed on the bottom surface of the lower support plate (82).

8. The low-voltage bushing transport equipment suitable for the narrow space in the main transformer room according to claim 7 is characterized by: The driving mechanism comprises an adjusting screw rod 2 (71), a shaft sleeve (72) and an anti-dropping cap (73); the top end of the adjusting screw rod 2 (71) is sleeved and rotatably mounted with the shaft sleeve (72); the bottom end of the adjusting screw rod 2 (71) is detachably fixedly mounted with an anti-dropping cap (73); the adjusting screw rod 2 (71) is meshed and mounted with a roller seat (74); both ends of the adjusting screw rod 2 (71) are rotatably extended from the upper and lower sides of the roller seat (74); the adjusting screw rod 2 (71) is rotatably mounted on one end of a lower support plate (82); the adjusting screw rod 2 (71) is rotatably mounted on the lower support plate (82) through the shaft sleeve (72); and the two ends of the adjusting screw rod 2 (71) are rotatably extended from the upper and lower surfaces of the lower support plate (82) respectively.

9. The low-voltage bushing transport equipment suitable for the narrow space in the main transformer room according to claim 2 is characterized by: The support structure comprises a rotating arm (13), a bidirectional telescopic rod (14) and a leg (15); two rotating arms (13) are provided; one end of the two rotating arms (13) is rotatably connected to an angle on the outside of a lower support plate (82); the other end of each rotating arm (13) is fixedly mounted with a leg (15); the bidirectional telescopic rod (14) is fixedly mounted on the inner side of the lower support plate (82); and two output ends of the bidirectional telescopic rod (14) are fixedly mounted with a leg (15).

10. The low-voltage bushing transport equipment suitable for the narrow space in the main transformer room according to claim 9, characterized in that: Two notches (16) corresponding to the legs (15) on the rotating arm (13) are evenly distributed on the outer side of the lower support plate (82); the notches (16) are used to place the legs (15) after the rotating arm (13) is folded.

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