CN111891961A - A hoisting equipment winch subassembly prevents weighing down mechanism for transformer installation - Google Patents

A hoisting equipment winch subassembly prevents weighing down mechanism for transformer installation Download PDF

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Publication number
CN111891961A
CN111891961A CN202010775130.8A CN202010775130A CN111891961A CN 111891961 A CN111891961 A CN 111891961A CN 202010775130 A CN202010775130 A CN 202010775130A CN 111891961 A CN111891961 A CN 111891961A
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CN
China
Prior art keywords
self
locking
coil
locking mechanism
hoisting equipment
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010775130.8A
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Chinese (zh)
Inventor
董大奔
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Individual
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Individual
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Priority to CN202010775130.8A priority Critical patent/CN111891961A/en
Publication of CN111891961A publication Critical patent/CN111891961A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/32Detent devices
    • B66D5/34Detent devices having latches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/32Detent devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

The utility model provides a hoist and mount equipment winch subassembly anti-falling mechanism for transformer installation, relates to transformer technical field, including the positioning disk, the inside of positioning disk is provided with the conductor, the inside of positioning disk is provided with self-locking mechanism one, the outside of self-locking mechanism one is provided with wire one, the inside swing joint of positioning disk has the mounting disk, the inside of mounting disk is provided with self-locking mechanism two. This a hoisting equipment winch subassembly anti-falling mechanism for transformer installation can not influence the normal use of equipment under equipment normal condition, compares prior art, will fall to the minimum to the influence of equipment. Meanwhile, when equipment is stalled and falls, self-locking can be completed by utilizing the self structure to prevent the equipment from continuously falling, so that the transformer is effectively protected when being installed and lifted, potential safety hazards possibly caused by the falling of the equipment due to stalling are avoided, and the safety of field installation and debugging personnel is greatly protected.

Description

A hoisting equipment winch subassembly prevents weighing down mechanism for transformer installation
Technical Field
The invention relates to the technical field of transformers, in particular to an anti-falling mechanism for a hoisting equipment winch assembly for transformer installation.
Background
The transformer is generally installed at a high place and used for regulating a power utilization network, and plays an important role in the construction and the use of the whole power grid.
Because the transformer possesses certain weight, often need hoist with the help of hoisting equipment when the installation, current transformer hoisting equipment generally goes up and down the operation with the help of winch subassembly, adopts the rigid braking of machinery, probably leads to the risk that the winch stall falls owing to the structure is ageing or coefficient of friction is not enough, not only can cause the damage of transformer, produces certain economic loss, to on-the-spot installation and debugging personnel moreover, seriously threatens their life safety, has very big potential safety hazard.
In order to solve the problems, the inventor provides an anti-falling mechanism for a hoisting equipment winch assembly for transformer installation, and the anti-falling mechanism has the advantages of falling and self-locking.
Disclosure of Invention
In order to realize the purpose of self-locking when falling, the invention provides the following technical scheme: a hoisting equipment winch assembly anti-falling mechanism for transformer installation comprises a positioning disc, a conductor, a first self-locking mechanism, a first wire, an installation disc, a second self-locking mechanism, a coil, a second wire, a packaging shell, a clamping block, a reset spring, a first current variant, a frame body, a conductive column, a self-locking block, a return spring and a second current variant.
The position and connection relation of the structure is as follows:
a conductor is arranged inside the positioning disc, a first self-locking mechanism is arranged inside the positioning disc, a first lead is arranged outside the first self-locking mechanism, the positioning disc is movably connected with an installation disc, a second self-locking mechanism is arranged inside the installation disc, a coil is movably connected to the front side of the installation disc, and a second lead is arranged outside the second self-locking mechanism;
the first self-locking mechanism comprises a packaging shell, a clamping block is movably connected inside the packaging shell, a return spring is movably connected inside the packaging shell, and a first current transformer is arranged inside the packaging shell;
the self-locking mechanism II comprises a frame body, a conductive column is fixedly connected inside the frame body, a self-locking block is movably connected inside the frame body, a return spring is fixedly connected to the outer side of the self-locking block, and a second current transformer is arranged inside the frame body.
Preferably, twelve self-locking mechanisms are positioned on the same circle in an initial state.
Preferably, the positions of the five second self-locking mechanisms in the initial state are on the same circle, and the middle points of the top ends of the five self-locking blocks are on the same circle.
Preferably, the first lead is electrically connected with an internal electrorheological fluid of the self-locking mechanism.
Preferably, the material and performance of the first electrorheological fluid and the second electrorheological fluid are the same, the main materials are gypsum, lime, carbon powder and olive oil, and the first electrorheological fluid and the second electrorheological fluid are in a solid state under a current-carrying state with a specified current amount and in a liquid state under a non-current-carrying state.
Preferably, the fixture block is in a concave block structure, a connecting rod is arranged on the outer side of the fixture block, and the connecting rod is located inside the packaging shell; the shape of the self-locking block is a columnar structure, and the shape and the size of the self-locking block are matched with the inner shape and the size of the clamping block.
Compared with the prior art and products, the invention has the beneficial effects that:
this a hoisting equipment winch subassembly anti-falling mechanism for transformer installation can not influence the normal use of equipment under equipment normal condition, compares prior art, will fall to the minimum to the influence of equipment. Meanwhile, when equipment is stalled and falls, self-locking can be completed by utilizing the self structure to prevent the equipment from continuously falling, so that the transformer is effectively protected when being installed and lifted, potential safety hazards possibly caused by the falling of the equipment due to stalling are avoided, and the safety of field installation and debugging personnel is greatly protected.
Drawings
FIG. 1 is a cross-sectional top view of the connection structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at B according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 1 at C according to the present invention;
FIG. 5 is a schematic view of a connection structure of the positioning plate, the conductor and the self-locking mechanism of the present invention;
FIG. 6 is a schematic view of a connecting structure of the mounting plate, the second self-locking mechanism, the coil and the second lead wire.
In the figure: 1. positioning a plate; 2. a conductor; 3. a first self-locking mechanism; 4. a first lead; 5. mounting a disc; 6. a second self-locking mechanism; 7. a coil; 8. a second conducting wire; 31. a package housing; 32. a clamping block; 33. a return spring; 34. performing a first electrorheological fluid; 61. a frame body; 62. a conductive post; 63. a self-locking block; 64. a return spring; 65. a second electrorheological fluid;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-6:
the anti-falling mechanism for the hoisting equipment winch assembly for transformer installation comprises a positioning disc 1, a conductor 2, a first self-locking mechanism 3, a first lead 4, an installation disc 5, a second self-locking mechanism 6, a coil 7, a second lead 8, a packaging shell 31, a clamping block 32, a reset spring 33, a first current variant 34, a frame body 61, a conductive column 62, a self-locking block 63, a return spring 64 and a second current variant 65.
The position and connection relation of the structure is as follows:
a conductor 2 is arranged inside the positioning disc 1, a first self-locking mechanism 3 is arranged inside the positioning disc 1, a first lead 4 is arranged outside the first self-locking mechanism 3, the positioning disc 1 is movably connected with an installation disc 5, a second self-locking mechanism 6 is arranged inside the installation disc 5, a coil 7 is movably connected to the front side of the installation disc 5, and a second lead 8 is arranged outside the second self-locking mechanism 6;
the first self-locking mechanism 3 comprises a packaging shell 31, a clamping block 32 is movably connected inside the packaging shell 31, a return spring 33 is movably connected inside the packaging shell 31, and a first current transformer 34 is arranged inside the packaging shell 31;
the second self-locking mechanism 6 comprises a frame body 61, a conductive column 62 is fixedly connected inside the frame body 61, a self-locking block 63 is movably connected inside the frame body 61, a return spring 64 is fixedly connected outside the self-locking block 63, and a second current transformer 65 is arranged inside the frame body 61.
Wherein:
a. the positioning disc 1, the mounting disc 5 and the coil 7 are all annular, the circle centers are the same point, twelve self-locking mechanisms I3 are arranged, the specifications are the same, and the self-locking mechanisms I are uniformly distributed by taking the circle center of the positioning disc 1 as a reference; the second self-locking mechanism 6 is provided with five self-locking mechanisms which have the same specification and size and are uniformly distributed by taking the circle center of the mounting disc 5 as a reference.
b. The twelve self-locking mechanisms I3 are electrically connected through the wires I4 in a serial connection mode; the five second self-locking mechanisms 6 are electrically connected through a second conducting wire 8, the die-cutting connection mode is a series connection mode, the second conducting wire 8 is electrically connected with the conducting post 62, and the conducting post 62 is electrically connected with the second electrorheological body 65.
c. The shape of the latch 32 is a concave block structure, and a connecting rod is arranged on the outer side of the latch and is positioned in the packaging shell 31; the self-locking piece 63 has a cylindrical shape and a size that is adapted to the inner shape and size of the latch 32. The lead wire I4 is electrically connected with the current variant I34 inside the self-locking mechanism I3.
Wherein:
d. the materials and the performances of the first electrorheological fluid 34 and the second electrorheological fluid 65 are the same, the main materials are gypsum, lime, carbon powder and olive oil, and the first electrorheological fluid 34 and the second electrorheological fluid 65 are in a solid state under the electrified state with a specified current amount and in a liquid state under the non-electrified state.
e. The coil 7 has a current passing therethrough and magnetic induction lines, and the conductor 2 is perpendicular to the magnetic induction lines of the coil 7. The initial states of the twelve self-locking mechanisms-3 are on the same circle.
f. The coil 7 is mainly composed of an enameled wire, the enamel coating coated on the outer side of the enameled wire is required to be free of damage, and the coil 7 is a whole complete enameled wire. The first lead 4 and the second lead 8 are electrically connected with the conductor 2 and the coil 7 respectively. The positions of the five second self-locking mechanisms 6 in the initial state are on the same circle, and the middle points of the top ends of the five self-locking blocks 63 are on the same circle.
When the winch assembly is used, the positioning disc 1 is connected with the winch assembly, and the winch assembly can drive the positioning disc 1 to synchronously rotate in the same direction when rotating. When the rotation speed of the winch is normal, the positioning disc 1 is driven to normally rotate, at the moment, the conductor 2 cuts the magnetic induction line of the coil 7 to generate induction current, the current intensity cannot reach the state change specified current quantity of the first current variant 34 and the second current variant 65, the first current variant 34 and the second current variant 65 are in a liquid state and do not limit the clamping block 32 and the self-locking block 63, and at the moment, the positioning disc 1 normally rotates.
When the positioning disk 1 rotates, the clamping block 32 and the self-locking block 63 are mutually pressed, and the clamping block and the self-locking block respectively retract into the packaging shell 31 and the frame body 61, so that the catching of the positioning disk 1 is not limited.
When the winch assembly stalls and falls down, the rotating speed of the positioning disc 1 is accelerated, the corresponding positioning disc 1 drives the conductor 2 to rotate at an accelerated speed, the speed and the frequency of the conductor 2 for cutting the magnetic induction line of the coil 7 are accelerated, the generated induction current is correspondingly increased, the shape change strength of the first current variant 34 and the second current variant 65 is achieved, the two are changed into a solid state from a liquid state, at the moment, the clamping block 32 and the self-locking block 63 cannot be extruded with each other when in contact, the clamping block cannot retract into the packaging shell 31 and the frame body 61, and the position of the positioning disc 1 can be limited at the moment, so that the positioning disc cannot rotate.
The structure and process are described with reference to FIGS. 1-6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. The utility model provides a hoist device winch subassembly prevents weighing down mechanism for transformer installation, includes positioning disk (1), its characterized in that: a conductor (2) is arranged inside the positioning disc (1), a first self-locking mechanism (3) is arranged inside the positioning disc (1), a first lead (4) is arranged on the outer side of the first self-locking mechanism (3), a mounting disc (5) is movably connected inside the positioning disc (1), a second self-locking mechanism (6) is arranged inside the mounting disc (5), a coil (7) is movably connected to the front side of the mounting disc (5), and a second lead (8) is arranged on the outer side of the second self-locking mechanism (6);
the self-locking mechanism I (3) comprises a packaging shell (31), a clamping block (32) is movably connected inside the packaging shell (31), a return spring (33) is movably connected inside the packaging shell (31), and a current variant I (34) is arranged inside the packaging shell (31);
the second self-locking mechanism (6) comprises a frame body (61), a conductive column (62) is fixedly connected to the inside of the frame body (61), a self-locking block (63) is movably connected to the inside of the frame body (61), a return spring (64) is fixedly connected to the outer side of the self-locking block (63), and a second current transformer (65) is arranged inside the frame body (61).
2. The hoisting equipment winch assembly fall prevention mechanism for transformer installation according to claim 1, characterized in that: the positioning disc (1), the mounting disc (5) and the coil (7) are all annular, the circle centers are the same point, twelve self-locking mechanisms I (3) are arranged, the specifications are the same, and the self-locking mechanisms I are uniformly distributed by taking the circle center of the positioning disc (1) as a reference; the second self-locking mechanism (6) is provided with five self-locking mechanisms which have the same specification and size and are uniformly distributed by taking the circle center of the mounting disc (5) as a reference.
3. The hoisting equipment winch assembly fall prevention mechanism for transformer installation according to claim 1, characterized in that: twelve self-locking mechanisms I (3) are electrically connected through a first lead (4) in a serial connection mode; the five second self-locking mechanisms (6) are electrically connected through a second conducting wire (8), the die-cutting connection mode is series connection, the second conducting wire (8) is electrically connected with the conducting post (62), and the conducting post (62) is electrically connected with the second electrorheological body (65).
4. The hoisting equipment winch assembly fall prevention mechanism for transformer installation according to claim 1, characterized in that: the fixture block (32) is in an inwards concave block structure, a connecting rod is arranged on the outer side of the fixture block, and the connecting rod is positioned inside the packaging shell (31); the shape of the self-locking block (63) is a cylindrical structure, and the shape and the size of the self-locking block are matched with the inner shape and the size of the fixture block (32).
5. The hoisting equipment winch assembly fall prevention mechanism for transformer installation according to claim 1, characterized in that: the materials and the performances of the first electrorheological fluid (34) and the second electrorheological fluid (65) are the same, the main materials are gypsum, lime, carbon powder and olive oil, and the first electrorheological fluid (34) and the second electrorheological fluid (65) are in a solid state under the electrified state with a specified current amount and in a liquid state under the non-electrified state.
6. The hoisting equipment winch assembly fall prevention mechanism for transformer installation according to claim 1, characterized in that: current passes through the coil (7) and magnetic induction lines exist in the coil, and the conductor (2) is perpendicular to the magnetic induction lines of the coil (7).
7. The hoisting equipment winch assembly fall prevention mechanism for transformer installation according to claim 1, characterized in that: the coil (7) mainly comprises an enameled wire, the enamel coating coated on the outer side of the enameled wire is required to be free of damage, and the coil (7) is a whole complete enameled wire.
8. The hoisting equipment winch assembly fall prevention mechanism for transformer installation according to claim 1, characterized in that: the first lead (4) and the second lead (8) are respectively electrically connected with the conductor (2) and the coil (7).
CN202010775130.8A 2020-08-05 2020-08-05 A hoisting equipment winch subassembly prevents weighing down mechanism for transformer installation Withdrawn CN111891961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010775130.8A CN111891961A (en) 2020-08-05 2020-08-05 A hoisting equipment winch subassembly prevents weighing down mechanism for transformer installation

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Application Number Priority Date Filing Date Title
CN202010775130.8A CN111891961A (en) 2020-08-05 2020-08-05 A hoisting equipment winch subassembly prevents weighing down mechanism for transformer installation

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112492465A (en) * 2020-12-16 2021-03-12 杭州月蓓机电设备有限公司 Device for intelligently manufacturing fixed loudspeaker and preventing sound from being too loud
CN112847700A (en) * 2020-12-03 2021-05-28 云和县瑞灵玩具有限公司 Automatic protection device for stalling of cutting machine during cutting of wooden toy

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5518095A (en) * 1993-08-19 1996-05-21 Gkn Automotive Ag Coupling for transmitting torque
US5921357A (en) * 1997-04-14 1999-07-13 Trw Inc. Spacecraft deployment mechanism damper
US8561443B2 (en) * 2008-11-28 2013-10-22 Utc Fire & Security Corporation Semi-active electrorheological fluid clutch for electronic door lock
CN111483936A (en) * 2020-04-17 2020-08-04 杭州操订科技有限公司 Utilize architectural rolling equipment stall self-lock device of electrorheological fluids principle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5518095A (en) * 1993-08-19 1996-05-21 Gkn Automotive Ag Coupling for transmitting torque
US5921357A (en) * 1997-04-14 1999-07-13 Trw Inc. Spacecraft deployment mechanism damper
US8561443B2 (en) * 2008-11-28 2013-10-22 Utc Fire & Security Corporation Semi-active electrorheological fluid clutch for electronic door lock
CN111483936A (en) * 2020-04-17 2020-08-04 杭州操订科技有限公司 Utilize architectural rolling equipment stall self-lock device of electrorheological fluids principle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112847700A (en) * 2020-12-03 2021-05-28 云和县瑞灵玩具有限公司 Automatic protection device for stalling of cutting machine during cutting of wooden toy
CN112492465A (en) * 2020-12-16 2021-03-12 杭州月蓓机电设备有限公司 Device for intelligently manufacturing fixed loudspeaker and preventing sound from being too loud
CN112492465B (en) * 2020-12-16 2021-12-10 深圳华声科技有限公司 Device for intelligently manufacturing fixed loudspeaker and preventing sound from being too loud

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Application publication date: 20201106

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