Auxiliary device for welding tap of dry-type transformer

Abstract

The utility model relates to the technical field of mechanical equipment, and discloses an auxiliary device for welding a dry-type transformer tap, which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is positioned on the outer side of the main body mechanism, and the main body mechanism comprises a lifting bracket, a first motor, a threaded screw rod, a first limiting block, a lifting sliding block and a first connecting plate. The auxiliary device for welding the tapping point of the dry-type transformer is simple in structure, convenient, practical, small in occupied area and convenient to operate, can be adjusted to any angle and direction to fix a tapping nut, and is more beneficial to welding of the tapping nut; according to the tapping nut welding device, the welding efficiency is greatly improved, tapping nuts can be welded by a single person, and auxiliary workers are not needed; the tapping fixing head is used for fixing the tapping nut, the tapping head has multiple functions, tapping nuts of multiple specifications can be fixed, welding is safer, welding operation is more facilitated, and safety and reliability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, in particular to an auxiliary device for dry-type transformer tap welding. Background Art

[0002] Dry-type transformers refer to transformers whose cores and windings are not immersed in insulating oil. Dry-type transformers are widely used in local lighting, high-rise buildings, airports, docks, CNC machinery and equipment, etc. They are mainly divided into three types: open type, closed type, and cast type. The cooling methods are divided into natural air cooling (AN) and forced air cooling (AF). Dry-type transformers are safe, fireproof, pollution-free, high mechanical strength, and strong short-circuit resistance. The heat dissipation methods are divided into natural air cooling and temperature-controlled automatic heat dissipation. The operating frequency is 50 / 60HZ, and the allowable temperature rise of the coil is 100K.

[0003] At present, the welding of the tap joints of dry-type transformers requires the cooperation of two people, who are required to fix the tap nuts to complete the welding of the entire tap joint. The welding efficiency is low, the operation is inconvenient, and there are certain safety hazards. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The utility model aims to provide an auxiliary device for dry-type transformer tap welding to solve the problems of low welding efficiency, inconvenient operation and certain potential safety hazards in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary device for dry-type transformer tap welding, comprising a main mechanism and an auxiliary mechanism, wherein the auxiliary mechanism is located outside the main mechanism, and the main mechanism comprises a lifting bracket, a first motor, a threaded screw, a first limit block, a lifting slider and a first connecting plate, wherein the first motor is fixedly mounted inside the lifting bracket, the threaded screw is fixedly mounted on the transmission end at the lower end of the first motor, the first limit block is fixedly mounted on the lower side of the first motor, the lifting slider is movably mounted on the outer end of the threaded screw, a thread is provided inside the lifting slider, the internal thread of the lifting slider is matched with the threaded screw, and the first connecting plate is fixedly mounted on the front end of the lifting slider.

[0008] Preferably, the main body structure also includes a second connecting plate, an external plate, a movable ring, a second limit block, a second motor, a connecting cross frame, a universal tube, a branching fixed head and a fixed head slot, and the second connecting plate is fixedly mounted on the front end of the lifting slider.

[0009] Preferably, the external connecting plate is fixedly mounted on the front end of the second connecting plate, the movable ring is fixedly mounted inside the lifting bracket, and the second limiting block is fixedly mounted on the upper side of the movable ring.

[0010] Preferably, the second motor is fixedly mounted on the front end of the external plate, the connecting cross frame is fixedly mounted on the transmission end of the front end of the second motor, the universal tube is fixedly mounted on the front end of the connecting cross frame, the tap fixing head is fixedly mounted on the front end of the universal tube, and the fixing head is slotted and fixedly arranged on the upper end of the tap fixing head.

[0011] Preferably, the auxiliary mechanism includes a support base, a protective cover, a first slide groove, a second slide groove, a convenient handle and a pulling groove, and the support base is fixedly mounted on the lower end of the lifting bracket.

[0012] Preferably, the protective cover plate is fixedly mounted on the front end of the lifting bracket, the first sliding groove is fixedly arranged on the front end of the protective cover plate, and the second sliding groove is fixedly arranged on the front end of the protective cover plate.

[0013] Preferably, the convenient handle is fixedly mounted on the rear end of the lifting bracket, the pulling groove is fixedly arranged on the inner side of the convenient handle, and the surface of the convenient handle is provided with anti-slip textures.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The auxiliary device for tap welding of dry-type transformers has a simple structure, is convenient and practical, occupies a small area, and is easy to operate. It can be adjusted to any angle and direction to fix the tap nut, which is more conducive to the welding of the tap nut; the utility model patent greatly improves the welding efficiency, and a single person can complete the welding of the tap nut without the need for auxiliary workers; the utility model patent adopts a tap fixing head to fix the tap nut, and the tap has multiple functions and can fix tap nuts of various specifications, which is safer during welding, more conducive to welding operation, and safe and reliable;

[0016] 2. The auxiliary device for welding the tap of the dry-type transformer has a support base installed at the lower end of the lifting bracket, which makes the device more stable, and a convenient handle is installed at the rear end of the lifting bracket to facilitate people to move the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the first motor of the utility model;

[0019] Figure 3 This is a schematic diagram of the protective cover structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the universal tube structure of the utility model.

[0021] In the figure: 1. main mechanism; 101. lifting bracket; 102. first motor; 103. threaded screw; 104. first limit block; 105. lifting slider; 106. first connecting plate; 107. second connecting plate; 108. external plate; 109. movable ring; 110. second limit block; 111. second motor; 112. connecting cross frame; 113. universal tube; 114. branching fixed head; 115. fixed head slot; 2. auxiliary mechanism; 201. supporting base; 202. protective cover; 203. first slide slot; 204. second slide slot; 205. convenient handle; 206. pulling slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 - Figure 4 The utility model provides a technical solution: an auxiliary device for dry-type transformer tap welding, comprising a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located outside the main mechanism 1, the main mechanism 1 comprises a lifting bracket 101, a first motor 102, a threaded screw 103, a first limit block 104, a lifting slider 105 and a first connecting plate 106, the first motor 102 is fixedly mounted inside the lifting bracket 101, the threaded screw 103 is fixedly mounted on the transmission end of the lower end of the first motor 102, the first limit block 104 is fixedly mounted on the lower side of the first motor 102, the lifting slider 105 is movably mounted on the outer end of the threaded screw 103, the lifting slider 105 is provided with a thread inside, the internal thread of the lifting slider 105 is adapted to the threaded screw 103, and the first connecting plate 106 is fixedly mounted on the front end of the lifting slider 105.

[0024] The main mechanism 1 also includes a second connecting plate 107, an external plate 108, a movable ring 109, a second limiting block 110, a second motor 111, a connecting cross frame 112, a universal tube 113, a branching fixed head 114 and a fixed head slot 115. The second connecting plate 107 is fixedly installed at the front end of the lifting slider 105, the external plate 108 is fixedly installed at the front end of the second connecting plate 107, the movable ring 109 is fixedly installed inside the lifting bracket 101, the second limiting block 110 is fixedly installed on the upper side of the movable ring 109, the second motor 111 is fixedly installed at the front end of the external plate 108, the connecting cross frame 112 is fixedly installed at the transmission end of the front end of the second motor 111, the universal tube 113 is fixedly installed at the front end of the connecting cross frame 112, the branching fixed head 114 is fixedly installed at the front end of the universal tube 113, and the fixed head slot 115 is fixedly arranged at the branching fixed head 114. At the upper end, when the auxiliary device for welding the tap of the dry-type transformer is needed, the first motor 102 drives the threaded screw 103 to rotate, so that the lifting slider 105 moves up and down, the first connecting plate 106 is fixedly installed at the front end of the lifting slider 105, the external plate 108 is fixedly installed at the front end of the first connecting plate 106, and the second motor 111 is fixedly installed at the front end of the external plate 108. The second motor 111 can drive the connecting cross frame 112 and the universal tube 113 to rotate, and can adjust any angle and direction for easy welding. The tap fixing head 114 is a device for fixing the tap nut of the dry-type transformer. The tap nut is fixed at the corresponding position by the tap fixing head 114 to complete the welding of the tap nut of the dry-type transformer. After one welding is completed, the next welding is carried out until the welding of one tap nut is completed, and the welding device is moved to the next transformer to continue the operation.

[0025] The auxiliary mechanism 2 includes a supporting base 201, a protective cover 202, a first slide groove 203, a second slide groove 204, a convenient handle 205 and a pulling groove 206. The supporting base 201 is fixedly installed at the lower end of the lifting bracket 101, the protective cover 202 is fixedly installed at the front end of the lifting bracket 101, the first slide groove 203 is fixedly set at the front end of the protective cover 202, the second slide groove 204 is fixedly set at the front end of the protective cover 202, the convenient handle 205 is fixedly installed at the rear end of the lifting bracket 101, the pulling groove 206 is fixedly set on the inner side of the convenient handle 205, and the surface of the convenient handle 205 is provided with anti-slip textures. The supporting base 201 is installed at the lower end of the lifting bracket 101, so that the device is more stable, and the convenient handle 205 is installed at the rear end of the lifting bracket 101, which is convenient for people to move the device.

[0026] Working principle: when the auxiliary device for dry-type transformer tap welding is needed, the first motor 102 drives the threaded screw 103 to rotate, so that the lifting slider 105 moves up and down, the first connecting plate 106 is fixedly installed at the front end of the lifting slider 105, the external plate 108 is fixedly installed at the front end of the first connecting plate 106, and the second motor 111 is fixedly installed at the front end of the external plate 108. The second motor 111 can drive the connecting cross frame 112 and the universal tube 113 to rotate, and can adjust any angle and direction for easy welding. The tap fixing head 114 is a device for fixing the tap nut of the dry-type transformer. The tap nut is fixed at the corresponding position through the tap fixing head 114 to complete the welding of the tap nut of the dry-type transformer. After one welding is completed, the next welding is carried out until the welding of one tap nut is completed, and the welding device is moved to the next transformer to continue the operation. The support base 201 is installed at the lower end of the lifting bracket 101, so that the device is more stable, and the convenient handle 205 is installed at the rear end of the lifting bracket 101 to facilitate people to move the device.

[0027] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. An auxiliary device for dry-type transformer tap welding, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located outside the main mechanism (1). The main mechanism (1) comprises a lifting bracket (101), a first motor (102), a threaded screw (103), a first limit block (104), a lifting slider (105) and a first connecting plate (106). The first motor (102) is fixedly mounted inside the lifting bracket (101). The threaded screw (103) is fixedly mounted on the transmission end at the lower end of the first motor (102). The first limit block (104) is fixedly mounted on the lower side of the first motor (102). The lifting slider (105) is movably mounted on the outer end of the threaded screw (103). The lifting slider (105) is provided with a thread inside. The internal thread of the lifting slider (105) is matched with the threaded screw (103). The first connecting plate (106) is fixedly mounted on the front end of the lifting slider (105).

2. The auxiliary device for dry-type transformer tap welding according to claim 1, characterized in that: The main body mechanism (1) further comprises a second connecting plate (107), an external connecting plate (108), a movable ring (109), a second limit block (110), a second motor (111), a connecting cross frame (112), a universal tube (113), a branching fixed head (114) and a fixed head slot (115); the second connecting plate (107) is fixedly mounted on the front end of the lifting slider (105).

3. The auxiliary device for dry-type transformer tap welding according to claim 2, characterized in that: The external connection plate (108) is fixedly mounted on the front end of the second connection plate (107), the movable ring (109) is fixedly mounted inside the lifting bracket (101), and the second limit block (110) is fixedly mounted on the upper side of the movable ring (109).

4. The auxiliary device for dry-type transformer tap welding according to claim 3, characterized in that: The second motor (111) is fixedly mounted on the front end of the external connection plate (108), the connecting cross frame (112) is fixedly mounted on the transmission end of the front end of the second motor (111), the universal tube (113) is fixedly mounted on the front end of the connecting cross frame (112), the tapping fixed head (114) is fixedly mounted on the front end of the universal tube (113), and the fixed head slot (115) is fixedly arranged on the upper end of the tapping fixed head (114).

5. The auxiliary device for dry-type transformer tap welding according to claim 4, characterized in that: The auxiliary mechanism (2) comprises a support base (201), a protective cover plate (202), a first slide groove (203), a second slide groove (204), a convenient handle (205) and a pulling groove (206); the support base (201) is fixedly mounted on the lower end of the lifting bracket (101).

6. The auxiliary device for dry-type transformer tap welding according to claim 5, characterized in that: The protective cover plate (202) is fixedly mounted on the front end of the lifting bracket (101), the first sliding groove (203) is fixedly arranged on the front end of the protective cover plate (202), and the second sliding groove (204) is fixedly arranged on the front end of the protective cover plate (202).

7. The auxiliary device for dry-type transformer tap welding according to claim 6, characterized in that: The convenient handle (205) is fixedly mounted on the rear end of the lifting bracket (101), the pulling groove (206) is fixedly arranged on the inner side of the convenient handle (205), and the surface of the convenient handle (205) is provided with anti-slip textures.

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