CN207792503U - Explosion-proof type swing lever - Google Patents
Explosion-proof type swing lever Download PDFInfo
- Publication number
- CN207792503U CN207792503U CN201721668153.9U CN201721668153U CN207792503U CN 207792503 U CN207792503 U CN 207792503U CN 201721668153 U CN201721668153 U CN 201721668153U CN 207792503 U CN207792503 U CN 207792503U
- Authority
- CN
- China
- Prior art keywords
- supporting rack
- movable pulley
- motor
- explosion
- proof type
- Prior art date
- 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.)
- Expired - Fee Related
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- Jib Cranes (AREA)
Abstract
The utility model discloses a kind of explosion-proof type swing levers, including mounting bracket, the top of the mounting bracket is welded with the first supporting rack and the second supporting rack, first supporting rack and the second supporting rack are rotatablely equipped with movable pulley, first supporting rack and the mutually separate side of the second supporting rack are mounted on first motor, the output shaft of the first motor is fixedly connected with the side of movable pulley, there are two the screw rods being vertically arranged for the top rotational installation of first supporting rack, the screw rod is threaded with connecting plate jointly, the intermediate position of the connecting plate is welded with push rod, one end of the push rod passes through the top of the first supporting rack, one end of the push rod is installed with deceleration block, the side of first supporting rack is welded with mounting plate, the top of the mounting plate is installed with the second motor.The utility model design structure is reasonable, easy to operate, easy to use, and the structure of design facilitates derricking gear deceleration stop, entire crane operation more preferable.
Description
Technical field
The utility model is related to crane technical field more particularly to a kind of explosion-proof type swing levers.
Background technology
Crane refers to more action hoisting machineries of vertical-lift in a certain range and horizontal carrying heavy goods, for spiral arm
It is fixed on a place with formula crane, is made of vertical arm and transverse arm and derricking gear, and derricking gear is in transverse arm when work
Upper movement, it is therefore desirable to derricking gear be moved into some position and stop fixing, prevent unnecessary movement from bringing shadow to work
It rings.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of explosion-proof type spiral arm proposed
Formula crane.
To achieve the goals above, the utility model uses following technical solution：
The top of explosion-proof type swing lever, including mounting bracket, the mounting bracket is welded with the first supporting rack and second
Supporting rack, first supporting rack and the second supporting rack are rotatablely equipped with movable pulley, first supporting rack and the second support
The mutually separate side of frame is mounted on first motor, and the output shaft of the first motor is fixedly connected with the side of movable pulley, institute
The top rotational installation of the first supporting rack is stated there are two the screw rod being vertically arranged, the screw rod is threaded with connecting plate jointly,
The intermediate position of the connecting plate is welded with push rod, and one end of the push rod passes through the top of the first supporting rack, the push rod
One end is installed with deceleration block, and the side of first supporting rack is welded with mounting plate, and peace is fixed on the top of the mounting plate
Equipped with the second motor, the output shaft of second motor is installed with first gear, one of them described screw rod is fixedly mounted
There are second gear, the first gear to be meshed with second gear, the top of the screw rod is installed with belt wheel, two bands
Belt is connected between wheel.
Preferably, the vertical section of the movable pulley is H character form structures, and the horizontal outer ring of movable pulley is connected with the first stop
The both sides of tooth, the deceleration block are connected with the second stop tooth, and deceleration block is located at the surface of movable pulley.
Preferably, transverse arm is equipped between first supporting rack and the second supporting rack, the both sides of transverse arm are connected with guide rail, and
Guide rail is located in the groove of movable pulley.
Preferably, first supporting rack and the second supporting rack are reverse U shape structure, the first supporting rack and the second support
Both sides inner wall between offer the first card slot, and the both sides of movable pulley have been fixedly connected with rotation axis, one end of rotation axis
It extends respectively in the first card slot, the horizontal interior walls of the first card slot are equipped with first bearing, and rotation axis passes through first bearing point
It is not connected with the first supporting rack and the second support, one end of the one of rotation axis of first motor is fixedly connected.
Preferably, the top of first supporting rack is opened up there are two the second card slot, and one end of screw rod extends to second
In card slot, the vertical inner wall of the second card slot is equipped with second bearing, and screw rod is connected by the top of second bearing and the first supporting rack
It connects.
The utility model has the beneficial effects that：First gear, first gear is driven to drive second gear by the second motor
Rotation so that two screw rod rotations, to which connecting plate pushes push rod and deceleration block, deceleration block to stick into the groove of movable pulley, from
And playing the role of deceleration, the mutual snap action of the second stop tooth and the first stop tooth can fix movable pulley, avoid
Entire derricking gear movement, to keep crane more stable in operation, the design is reasonable for structure, easy to operate, easy to use,
The structure of design facilitates derricking gear deceleration stop, entire crane operation more preferable.
Description of the drawings
Fig. 1 be the utility model proposes explosion-proof type swing lever derricking gear structural schematic diagram；
Fig. 2 be the utility model proposes explosion-proof type swing lever derricking gear mounting structure schematic diagram.
In figure：1 mounting bracket, 2 first motors, 3 second stop tooths, 4 mounting plates, 5 second motors, 6 first gears, 7 second
Gear, 8 screw rods, 9 connecting plates, 10 belt wheels, 11 push rods, 12 deceleration blocks, 13 first stop tooths, 14 movable pulleys, 15 transverse arms, 16 are led
Rail.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, the top of explosion-proof type swing lever, including mounting bracket 1, mounting bracket 1 is welded with the first support
Frame and the second supporting rack, the first supporting rack and the second supporting rack are rotatablely equipped with movable pulley 14, the first supporting rack and second
The mutually separate side of support is mounted on first motor 2, and the output shaft of first motor 2 is fixedly connected with the side of movable pulley 14,
There are two the screw rod 8 being vertically arranged, screw rod 8 is threaded with connecting plate 9 jointly, connects for the top rotational installation of first supporting rack
The intermediate position of plate 9 is welded with push rod 11, and one end of push rod 11 passes through the top of the first supporting rack, one end of push rod 11 to fix peace
Equipped with deceleration block 12, the side of the first supporting rack is welded with mounting plate 4, and the top of mounting plate 4 is installed with the second motor 5,
The output shaft of second motor 5 is installed with first gear 6, and one of screw rod 8 is installed with second gear 7, the first tooth
Wheel 6 is meshed with second gear 7, and the top of screw rod 8 is installed with belt wheel 10, and belt is connected between two belt wheels 10.
In the present embodiment, in use, first motor 2 drives movable pulley 14 to rotate, the effect of movable pulley 14 and guide rail 16, from
And moved on transverse arm 15, when mounting bracket 1 is moved to somewhere, start the second motor 5, the second motor 5 drives the first tooth
6 rotation of wheel, first gear 6 drive second gear 7 to rotate, and second gear 7 is so that screw rod 8 rotates, to which connecting plate 9 is in two spiral shells
It being moved on bar 8, connecting plate 9 pushes push rod 11, push rod 11 that deceleration block 12, deceleration block 12 is pushed to stick into the groove of movable pulley 14,
Deceleration block 12 is contacted with the wall body of groove, and to slow down, the second stop tooth 3 is contacted with the first stop tooth 13, to movable pulley
14 stop.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. explosion-proof type swing lever, including mounting bracket（1）, which is characterized in that the mounting bracket（1）Top be welded with
One supporting rack and the second supporting rack, first supporting rack and the second supporting rack are rotatablely equipped with movable pulley（14）, described
One supporting rack and the mutually separate side of the second supporting rack are mounted on first motor（2）, the first motor（2）Output shaft with
Movable pulley（14）Side be fixedly connected, there are two the screw rods being vertically arranged for the rotational installation of the top of first supporting rack（8）,
The screw rod（8）It is threaded with connecting plate jointly（9）, the connecting plate（9）Intermediate position be welded with push rod（11）, described
Push rod（11）One end pass through the first supporting rack top, the push rod（11）One end be installed with deceleration block（12）, institute
The side for stating the first supporting rack is welded with mounting plate（4）, the mounting plate（4）Top be installed with the second motor（5）, institute
State the second motor（5）Output shaft be installed with first gear（6）, one of them described screw rod（8）It is installed with second
Gear（7）, the first gear（6）With second gear（7）It is meshed, the screw rod（8）Top be installed with belt wheel
（10）, two belt wheels（10）Between be connected with belt.
2. explosion-proof type swing lever according to claim 1, which is characterized in that the movable pulley（14）Vertical cut
Face is H character form structures, movable pulley（14）Horizontal outer ring be connected with the first stop tooth（13）, the deceleration block（12）Both sides connect
It is connected to the second stop tooth（3）, and deceleration block（12）Positioned at movable pulley（14）Surface.
3. explosion-proof type swing lever according to claim 1, which is characterized in that first supporting rack and second
Transverse arm is equipped between support（15）, transverse arm（15）Both sides be connected with guide rail（16）, and guide rail（16）Positioned at movable pulley（14）'s
In groove.
4. explosion-proof type swing lever according to claim 1, which is characterized in that first supporting rack and second
Support is reverse U shape structure, the first card slot is offered between the first supporting rack and the both sides inner wall of the second support, and mobile
Wheel（14）Both sides be fixedly connected with rotation axis, one end of rotation axis extends respectively in the first card slot, the water of the first card slot
Flat inner wall is equipped with first bearing, and rotation axis is connected with the first supporting rack and the second support respectively by first bearing, and first
Motor（2）One end of one of rotation axis is fixedly connected.
5. explosion-proof type swing lever according to claim 1, which is characterized in that open on the top of first supporting rack
If there are two the second card slot, and screw rod（8）One end extend in the second card slot, the vertical inner wall of the second card slot is equipped with second
Bearing, screw rod（8）It is connect with the top of the first supporting rack by second bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721668153.9U CN207792503U (en) | 2017-12-05 | 2017-12-05 | Explosion-proof type swing lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721668153.9U CN207792503U (en) | 2017-12-05 | 2017-12-05 | Explosion-proof type swing lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207792503U true CN207792503U (en) | 2018-08-31 |
Family
ID=63285231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721668153.9U Expired - Fee Related CN207792503U (en) | 2017-12-05 | 2017-12-05 | Explosion-proof type swing lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207792503U (en) |
-
2017
- 2017-12-05 CN CN201721668153.9U patent/CN207792503U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20181205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |