CN213802693U - Limiting interlocking device on electric hoist - Google Patents
Limiting interlocking device on electric hoist Download PDFInfo
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- CN213802693U CN213802693U CN202022604026.0U CN202022604026U CN213802693U CN 213802693 U CN213802693 U CN 213802693U CN 202022604026 U CN202022604026 U CN 202022604026U CN 213802693 U CN213802693 U CN 213802693U
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Abstract
The utility model discloses an upper limiting interlocking device of an electric hoist, which comprises an electric hoist lifting appliance, the electric hoist lifting appliance is provided with a lifting rope, the lower end of the lifting rope is provided with a lifting wheel, a hinged seat is arranged in a machine base of the electric hoist lifting appliance and is hinged with a turnover plate strip, the end surface of the turning plate strip is fixed with a support ring which is sleeved on the outer surface of the movable rope end of the lifting rope, a travel switch is fixed in the base of the electric hoist lifting appliance, the flap bar presses down the travel switch to be closed, the surface of the lifting wheel is fixed with a top ring through a connecting rod, the top ring is sleeved on the outer surface of the movable rope end of the lifting rope and is closed by adopting a spiral arm mechanism to press down a travel switch, when the lifting mechanism ascends and reaches the highest point, the turning plate strip is jacked up by the jacking ring, so that the travel switch can be bounced, separated and powered off, the motor can be stopped, collision cannot occur, and the lifting mechanism is simple in mechanical structure and convenient to maintain.
Description
Technical Field
The utility model relates to an electric block field, more specifically say, relate to a spacing interlock on electric block.
Background
The electric hoist is special hoisting equipment and is arranged on a crown block and a gantry crane, and the electric hoist has the characteristics of small volume, light dead weight, simple operation, convenient use and the like;
when the lifting rope is lifted up, the upper limit interlocking needs to be set for stopping operation at the highest limit, collision is avoided, the interlocking mechanism in the prior art is complex, high in cost and inconvenient to maintain, and the rope fixing end of the lifting rope is inconvenient to fix.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a spacing interlock on electric block pushes down travel switch closure through adopting spiral arm mechanism, and during its ascension, when reacing the peak, through top ring jack-up turn-over lath, can make travel switch bounce separation outage, can make the motor stop, can not bump to mechanical structure is simple, is convenient for maintain.
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a spacing interlock on electric block, includes the electric block hoist, set up the lifting rope on the electric block hoist, the lifting rope lower extreme is provided with the hanging wheel, it has the lath that turns over to set up articulated seat in the frame of electric block hoist, the terminal surface of lath that turns over is fixed with the support ring, the support ring cover is at the movable rope end surface of lifting rope, the frame internal fixation of electric block hoist has travel switch, it is closed to turn over the lath and push down travel switch, the hanging wheel surface is fixed with the apical ring through the connecting rod, the apical ring cover is at the movable rope end surface of lifting rope, and it is closed through adopting swing arm mechanism to push down travel switch, when its rising, when reacing the peak, through apical ring jack-up lath, can make travel switch bounce separation outage, can make the motor stop, can not bump to mechanical structure is simple, is convenient for maintain.
Furthermore, a spring is fixed in a base of the electric hoist lifting appliance, and the spring upwards extrudes the turnover strip, so that the turnover strip can extrude the travel switch to be closed conveniently.
Furthermore, the clamping plate is fixed to the upper end of the base of the electric hoist lifting appliance through bolts, and the fixed rope end of the lifting rope is fixed to the outside of the base through the clamping plate, so that the fixed rope end is fixed conveniently.
Further, the upper end of the base of the electric hoist lifting appliance is provided with a convex shaft, the fixed rope end of the lifting rope is wound outside the convex shaft, and the outer part of the convex shaft is connected with a nut locking lifting rope through threads, so that the fixed end of the lifting rope is fixed and fixed firmly.
Furthermore, the travel switch is connected to the motor control switch through a parallel circuit in a closed state, so that power failure can be controlled conveniently.
Compared with the prior art, the utility model has the advantages of:
(1) the travel switch is pressed down to be closed by adopting the swing arm mechanism, when the swing arm mechanism rises and reaches the highest point, the turnover strip is jacked up by the jacking ring, the travel switch can be bounced, separated and powered off, the motor can be stopped, collision cannot occur, and the mechanical structure is simple and convenient to maintain.
(2) A spring is fixed in a base of the electric hoist lifting appliance, and the spring upwards extrudes the turnover strip, so that the turnover strip can extrude the travel switch to be closed conveniently.
(3) The clamping plate is fixed at the upper end of the base of the electric hoist lifting appliance through the bolt, and fixes the fixed rope end of the lifting rope outside the base, so that the fixed end of the lifting rope is fixed conveniently.
(4) The machine base upper end of electric block hoist sets up the protruding axle, and the fixed rope end winding of lifting rope is outside the protruding axle, and there is nut locking lifting rope protruding off-axial through threaded connection, is convenient for decide the end fixed, fixed firm to the lifting rope.
(5) The travel switch is connected to the motor control switch through a parallel circuit, so that the power failure can be controlled conveniently.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the local structure of the turning plate strip and the support ring of the present invention;
FIG. 3 is a bottom view of the connection between the top ring and the connecting rod of the present invention;
fig. 4 is a top view of the clamping plate of the present invention.
The reference numbers in the figures illustrate:
the lifting device comprises an electric hoist lifting appliance 1, a lifting rope 2, a lifting wheel 3, a hinged seat 4, a turnover plate bar 5, a support ring 50, a spring 6, a travel switch 7, a connecting rod 8, a top ring 80, a bolt 9, a clamping plate 10, a convex shaft 11 and a nut 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, an upper limiting interlocking device of an electric hoist comprises an electric hoist hanger 1, a lifting rope 2 is arranged on the electric hoist hanger 1, a lifting wheel 3 is arranged at the lower end of the lifting rope 2, a hinged seat 4 is arranged in a base of the electric hoist hanger 1 and is hinged with a turnover plate strip 5, a support ring 50 is fixed on the end surface of the turnover plate strip 5, the support ring 50 is sleeved on the outer surface of the movable rope end of the lifting rope 2, a travel switch 7 is fixed in the base of the electric hoist hanger 1, the turnover plate strip 5 presses down the travel switch 7 to be closed, a top ring 80 is fixed on the surface of the lifting wheel 3 through a connecting rod 8, and the top ring 80 is sleeved on the outer surface of the movable rope end of the lifting rope 2.
Referring to fig. 1-4, a spring 6 is fixed in a base of an electric hoist hanger 1, the spring 6 upwardly extrudes a lath 5, so that an extrusion travel switch 7 of the lath 5 is closed, a clamping plate 10 is fixed at the upper end of the base of the electric hoist hanger 1 through a bolt 9, a fixed rope end of a lifting rope 2 is fixed outside the base by the clamping plate 10, so that the fixed end of the lifting rope 2 is fixed, a protruding shaft 11 is arranged at the upper end of the base of the electric hoist hanger 1, the fixed rope end of the lifting rope 2 is wound outside the protruding shaft 11, a nut 12 is connected outside the protruding shaft 11 through threads to lock the lifting rope 2, so that the fixed end of the lifting rope 2 is fixed and fixed firmly, the travel switch 7 is closed and connected to a motor control switch through a parallel circuit, and power failure is controlled conveniently.
When in use, a hanging wheel 3 is arranged at the lower end of a hanging rope 2, a hinged seat 4 is arranged in a machine base of an electric hoist hanger 1 and is hinged with a turnover strip 5, a support ring 50 is fixed on the end face of the turnover strip 5, the support ring 50 is sleeved on the outer surface of a movable rope end of the hanging rope 2, a travel switch 7 is fixed in the machine base of the electric hoist hanger 1, the turnover strip 5 presses down the travel switch 7 to be closed, a top ring 80 is fixed on the surface of the hanging wheel 3 through a connecting rod 8, the top ring 80 is sleeved on the outer surface of the movable rope end of the hanging rope 2, the travel switch 7 is closed and is connected on a motor control switch through a parallel circuit, so that the power failure is controlled, when the electric hoist rises, if the error operation occurs and the lifting reaches the highest limit, the top ring 80 can be driven to rise, the support ring 50 can be jacked, the turnover strip 5 can be separated from the surface of the travel switch 7, the travel switch 7 can be bounced to be opened and the power failure can be stopped, the hoisting mechanism is not collided;
the frame upper end of electric block hoist 1 is fixed with cardboard 10 through bolt 9, cardboard 10 fixes the rope end of deciding of lifting rope 2 outside the frame, is convenient for decide the end fixed to lifting rope 2, and the frame upper end of electric block hoist 1 sets up protruding axle 11, and rethread lifting rope 2 decides the rope end winding outside protruding axle 11 to there is nut 12 locking lifting rope 2 protruding axle 11 outer through threaded connection, is convenient for decide the end fixed to lifting rope 2, and is fixed firm.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a spacing interlock on electric block, includes electric block hoist (1), its characterized in that: set up lifting rope (2) on electric block hoist (1), lifting rope (2) lower extreme is provided with hanging wheel (3), it has turnover strip (5) to set up articulated seat (4) in the frame of electric block hoist (1), the terminal surface of turnover strip (5) is fixed with support ring (50), support ring (50) cover is at the movable rope end surface of lifting rope (2), the frame internal fixation of electric block hoist (1) has travel switch (7), travel switch (7) closure is pressed down to turnover strip (5), hanging wheel (3) surface is fixed with apical ring (80) through connecting rod (8), apical ring (80) cover is at the movable rope end surface of lifting rope (2).
2. The upper-limiting interlocking device of the electric hoist as claimed in claim 1, wherein: a spring (6) is fixed in a base of the electric hoist lifting appliance (1), and the spring (6) upwards extrudes the turnover strip (5).
3. The upper-limiting interlocking device of the electric hoist as claimed in claim 1, wherein: the upper end of a machine base of the electric hoist lifting appliance (1) is fixed with a clamping plate (10) through a bolt (9), and the clamping plate (10) fixes the fixed rope end of the lifting rope (2) outside the machine base.
4. The upper-limiting interlocking device of the electric hoist as claimed in claim 1, wherein: a protruding shaft (11) is arranged at the upper end of a machine base of the electric hoist lifting appliance (1), a fixed rope end of the lifting rope (2) is wound outside the protruding shaft (11), and the protruding shaft (11) is externally connected with a nut (12) through threads to lock the lifting rope (2).
5. The upper-limiting interlocking device of the electric hoist as claimed in claim 1, wherein: the travel switch (7) is connected to the motor control switch through a parallel circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022604026.0U CN213802693U (en) | 2020-11-12 | 2020-11-12 | Limiting interlocking device on electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022604026.0U CN213802693U (en) | 2020-11-12 | 2020-11-12 | Limiting interlocking device on electric hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213802693U true CN213802693U (en) | 2021-07-27 |
Family
ID=76932193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022604026.0U Active CN213802693U (en) | 2020-11-12 | 2020-11-12 | Limiting interlocking device on electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213802693U (en) |
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2020
- 2020-11-12 CN CN202022604026.0U patent/CN213802693U/en active Active
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