CN220367785U - Dry-type transformer shell convenient to install - Google Patents
Dry-type transformer shell convenient to install Download PDFInfo
- Publication number
- CN220367785U CN220367785U CN202320899734.2U CN202320899734U CN220367785U CN 220367785 U CN220367785 U CN 220367785U CN 202320899734 U CN202320899734 U CN 202320899734U CN 220367785 U CN220367785 U CN 220367785U
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- Prior art keywords
- wedge
- fixedly connected
- sleeve
- shell
- shaped
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Links
- 238000009434 installation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
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- Patch Boards (AREA)
Abstract
The utility model relates to the technical field of distribution devices, in particular to a dry-type transformer shell convenient to install, which is characterized in that a base is detachably connected to the lower end of a shell, four positioning columns which are arranged in a rectangular array are fixedly connected to the upper end of the shell, a plurality of connecting devices which correspond to the positioning columns one by one are fixedly connected to the left side and the right side of the outer wall of the shell respectively, each connecting device comprises a supporting rod which is fixedly connected with the outer wall of the shell, a positioning sleeve which can be sleeved with the positioning column is fixedly connected to the supporting rod, a wedge-shaped groove is formed in the upper end of the positioning column, a slot is formed in the outer edge surface of the positioning column, a sleeve which is transversely arranged is fixedly connected to the upper end of the supporting rod, a connecting rod is transversely matched with the inner wall of the sleeve in a sliding mode, a spring is coaxially and fixedly connected to the free end of the spring, a wedge-shaped rod which can be inserted into the slot is fixedly connected to the inner bottom surface of the sleeve, the free end of the wedge-shaped rod is a first wedge-shaped surface, and the inner wall of one side of the wedge-shaped groove is a second wedge-shaped surface which can be matched with the first wedge-shaped surface.
Description
Technical Field
The utility model relates to the technical field of power distribution devices, in particular to a dry-type transformer shell convenient to install.
Background
The dry-type transformer is safer than the oil-immersed transformer using the transformer oil as the insulating material because the flame-retardant epoxy resin is adopted as the insulating material, and the explosion accident is not easy to occur under the condition of lightning stroke or sudden short circuit, so the dry-type transformer is multipurpose in closed indoor structures coexisting with people, such as underground power distribution rooms of residential buildings of communities, large-scale office buildings and other high-rise buildings.
The dry type transformer is generally divided into a floor type transformer and a preassembled type transformer, wherein a shell of the preassembled type transformer is already installed on a base when the transformer leaves a field, and the shell of the preassembled type transformer can be quickly installed by only arranging the shell of the preassembled type transformer to an installation position by means of a hoisting tool. However, when the shell of the preassembled dry-type transformer is connected with the base, the traditional connection mode is complicated, and the assembly efficiency is greatly reduced.
Disclosure of Invention
Aiming at the situation, the utility model provides a dry type transformer shell convenient to install for overcoming the defects of the prior art, which solves the technical scheme that the dry type transformer shell comprises a shell body and is characterized in that the lower end of the shell body is detachably connected with a base, the upper end of the shell body is fixedly connected with four positioning columns which are arranged in a rectangular array, the left side and the right side of the outer wall of the shell body are respectively fixedly connected with a plurality of connecting devices which correspond to the positioning columns one by one,
each connecting device comprises a supporting rod fixedly connected with the outer wall of the shell, a positioning sleeve capable of being sleeved with a positioning column is fixedly connected with the supporting rod, a wedge-shaped groove is formed in the upper end of the positioning column, a slot positioned below the wedge-shaped groove is formed in the outer edge surface of the positioning column, a sleeve which is transversely arranged is fixedly connected with the upper end of the supporting rod, a connecting rod which is coaxially arranged is arranged on the inner wall of the sleeve in a sliding fit mode, a spring is fixedly connected with one end of the connecting rod, which is positioned in the sleeve, a free end of the spring is fixedly connected with the inner bottom surface of the sleeve, a wedge-shaped rod which is coaxially fixedly connected with the outer end of the connecting rod and can be inserted into the slot is arranged on the free end of the wedge-shaped rod, and a second wedge-shaped surface which can be matched with the first wedge-shaped surface is arranged on the inner wall of one side of the wedge-shaped groove.
Preferably, the upper side of the outer edge surface of each sleeve is provided with a through groove which is transversely arranged, and the outer edge surface of each connecting rod is fixedly connected with a convex block which is transversely matched with the through groove on the corresponding side in a sliding way.
Preferably, two lifting lugs which are arranged in a bilateral symmetry mode are fixedly connected to the upper side of the outer wall of the shell.
Preferably, the upper end of the shell is fixedly connected with a waterproof top, and the end surface of the waterproof top is two inclined surfaces which are symmetrically arranged front and back.
Preferably, the left side and the right side of the front end of the shell are respectively provided with a shutter for closing the shell in a rotating way, and the front end of each shutter is fixedly connected with a handle.
Preferably, rounded corners are arranged at the upper edge of each positioning column.
The utility model has the beneficial effects that:
1. when the utility model is used, the positioning columns are arranged in one-to-one correspondence with the connecting devices, so that the corresponding positioning of the shell and the base is facilitated. When the base and the shell are connected, the positioning sleeves of the connecting devices are in one-to-one correspondence with the positioning columns, and the wedge-shaped rods are automatically inserted into the slots in the process of completing the insertion of the positioning sleeves and the positioning columns, so that the shell and the base are quickly abutted, and the shell is fastened on the base.
2. In the process of inserting the positioning sleeve and the positioning column, a first wedge surface arranged on the wedge rod is matched with a second wedge surface arranged on the wedge groove, so that the connecting rod drives the wedge rod to shrink inwards towards the sleeve, meanwhile, the spring is compressed until the wedge rod moves to a position corresponding to the slot, the spring automatically stretches, the connecting rod drives the wedge rod to move inwards towards the slot, the wedge rod is inserted into the slot, the shell is fixed with the base, the fixing mode is simple, convenient and rapid, and the degree of automation is high.
Drawings
Fig. 1 is a front elevational view in full section of the present utility model.
Fig. 2 is an enlarged view of region a in a full section main body view of the present utility model.
Fig. 3 is a partial perspective view of a first view angle of the present utility model.
Fig. 4 is a perspective view of a second perspective of the present utility model.
Reference numerals
1. The device comprises a shell, a base, a positioning column, a connecting device, a supporting rod, a positioning sleeve, a wedge-shaped groove, a slot, a sleeve, a connecting rod, a spring, a wedge-shaped rod, a first wedge-shaped surface, a second wedge-shaped surface, a through slot, a lug, a waterproof top, a baffle door, a handle and a round angle, wherein the connecting device comprises a shell, a base, a positioning column, a connecting device, a supporting rod, a positioning sleeve, a wedge-shaped groove, a slot, a sleeve, a connecting rod, a spring, a wedge-shaped rod, a first wedge-shaped surface, a second wedge-shaped surface, a through groove, a lug and a lug, a waterproof top, a baffle door, a handle and a round angle.
Detailed Description
The following describes embodiments of the present utility model in further detail with reference to fig. 1-4.
The first embodiment solves the technical scheme that when the utility model is used, the positioning columns 3 are arranged in one-to-one correspondence with the connecting devices 4, so that the corresponding positioning of the shell 1 and the base 2 is facilitated. When the base 2 and the shell 1 are connected, the positioning sleeves 6 of the connecting devices 4 are only required to be in one-to-one corresponding connection with the positioning columns 3, and the wedge-shaped rods 12 are automatically inserted into the slots 8 in the process of completing the connection between the positioning sleeves 6 and the positioning columns 3, so that the shell 1 and the base 2 are quickly abutted, and the shell 1 is fastened on the base 2. In the process of inserting the positioning sleeve 6 and the positioning column 3, a first wedge surface 13 arranged on the wedge rod 12 is matched with a second wedge surface 14 arranged on the wedge groove 7, so that the connecting rod 10 drives the wedge rod 12 to shrink inwards towards the sleeve 9, meanwhile, the spring 11 is compressed until the wedge rod 12 moves to a position corresponding to the slot 8, the spring 11 automatically stretches, the connecting rod 10 drives the wedge rod 12 to move inwards towards the slot 8, the wedge rod 12 is inserted into the slot 8, the shell 1 and the base 2 are fixed, the fixing mode is simple, convenient and rapid, and the degree of automation is high.
In the second embodiment, when the housing 1 is docked with the base 2 on the basis of the first embodiment, the housing 1 can be lifted up to above the base 2 by means of lifting tools through lifting lugs 17, and then the housing 1 falls down, so that the positioning sleeves 6 in the connecting devices 4 are in one-to-one corresponding connection with the positioning columns 3 on the base 2. In the process of completing the plug-in connection between the positioning sleeve 6 fixedly connected with the supporting rod 5 and the positioning column 3 downwards: the wedge rods 12 are in one-to-one correspondence with the wedge grooves 7, and the first wedge surface 13 on the wedge rods 12 moves relatively with the second wedge surface 14 in the wedge grooves 7, so that the wedge rods 12 and the connecting rods 10 shrink inwards towards the sleeves 9, and the springs 11 are compressed at the same time until the wedge rods 12 pass through the wedge grooves 7 and continue to move downwards along the outer edges of the positioning columns 3, and the springs 11 are compressed to the maximum; when the wedge rod 12 continues to move downwards along the outer edge of the positioning column 3 to correspond to the slot 8, the spring 11 automatically stretches and drives the connecting rod 10 to move outwards of the sleeve 9, the wedge rod 12 fixedly connected with the connecting rod 10 automatically enters the slot 8, the connecting device 4 is tightly connected with the positioning column 3, and meanwhile the base 2 is fixedly connected to the base 2.
In the third embodiment, in order to ensure the correspondence between the first wedge surface 13 on the wedge rod 12 and the second wedge surface 14 in the wedge groove 7, the through groove 15 and the protruding block 16 are provided to limit the rotation of the connecting rod 10 relative to the sleeve 9 by sliding fit transversely, so as to ensure the correspondence between the wedge rod 12 and the wedge groove 7. Simultaneously, the tool is used for poking the lug 16 to drive the connecting rod 10 to shrink inwards towards the sleeve 9, so that the wedge-shaped rod 12 can be separated from the slot 8, and the shell 1 and the base 2 can be separated conveniently. The upper edge of the positioning column 3 is provided with a round angle 21, so that the positioning column 3 and the positioning sleeve 6 can be conveniently inserted. The upper end face of the waterproof roof 18 is provided with two inclined planes which are symmetrically arranged front and back, so that rainwater is convenient to slide down, and rainwater is prevented from accumulating at the top of the shell 1 and immersing in the shell 1. A shutter 19 may be provided to close the housing 1, and a handle 20 may be provided to facilitate opening and closing of the shutter 19.
Claims (6)
1. The dry-type transformer shell convenient to install comprises a shell body (1), and is characterized in that a base (2) is disassembled and connected at the lower end of the shell body (1), four positioning columns (3) which are arranged in a rectangular array are fixedly connected at the upper end of the shell body (1), a plurality of connecting devices (4) which are in one-to-one correspondence with the positioning columns (3) are respectively and fixedly connected at the left side and the right side of the outer wall of the shell body (1),
each connecting device (4) comprises a supporting rod (5) fixedly connected with the outer wall of the shell (1), a positioning sleeve (6) capable of being sleeved with a positioning column (3) is fixedly connected with the supporting rod (5), a wedge-shaped groove (7) is formed in the upper end of the positioning column (3), a slot (8) located below the wedge-shaped groove (7) is formed in the outer edge surface of the positioning column (3), a sleeve (9) transversely arranged is fixedly connected with the upper end of the supporting rod (5), a connecting rod (10) coaxially arranged with the inner wall of the sleeve (9) is in transverse sliding fit, a spring (11) is fixedly connected with the inner bottom surface of the sleeve (9) at one end of the connecting rod (10), a wedge-shaped rod (12) capable of being inserted into the slot (8) is fixedly connected with the outer end of the sleeve (9), the free end of the wedge-shaped rod (12) is a first wedge-shaped surface (13), and the inner wall of one side of the wedge-shaped groove (7) is a second wedge-shaped surface (14) capable of being matched with the first wedge-shaped surface (13).
2. The dry-type transformer housing convenient to install according to claim 1, wherein the upper side of the outer edge surface of each sleeve (9) is provided with a through groove (15) which is transversely arranged, and the outer edge surface of each connecting rod (10) is fixedly connected with a convex block (16) which is transversely matched with the corresponding side through groove (15) in a sliding manner.
3. The dry-type transformer housing convenient to install according to claim 1, wherein two lifting lugs (17) which are symmetrically arranged left and right are fixedly connected to the upper side of the outer wall of the housing (1).
4. The dry-type transformer housing convenient to install according to claim 1, wherein a waterproof top (18) is fixedly connected to the upper end of the housing (1), and the upper end face of the waterproof top (18) is provided with two inclined planes which are symmetrically arranged front and back.
5. The dry-type transformer housing convenient to install according to claim 1, wherein a shutter (19) for closing the housing (1) is rotatably installed on the left side and the right side of the front end of the housing (1), and a handle (20) is fixedly connected to the front end of each shutter (19).
6. A dry transformer housing for easy installation according to claim 1, wherein the upper edge of each positioning post (3) is rounded (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320899734.2U CN220367785U (en) | 2023-04-20 | 2023-04-20 | Dry-type transformer shell convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320899734.2U CN220367785U (en) | 2023-04-20 | 2023-04-20 | Dry-type transformer shell convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220367785U true CN220367785U (en) | 2024-01-19 |
Family
ID=89516687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320899734.2U Active CN220367785U (en) | 2023-04-20 | 2023-04-20 | Dry-type transformer shell convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220367785U (en) |
-
2023
- 2023-04-20 CN CN202320899734.2U patent/CN220367785U/en active Active
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| GR01 | Patent grant | ||
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