CN206645732U - A kind of Portable crane device for roofing - Google Patents
A kind of Portable crane device for roofing Download PDFInfo
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- CN206645732U CN206645732U CN201720343335.2U CN201720343335U CN206645732U CN 206645732 U CN206645732 U CN 206645732U CN 201720343335 U CN201720343335 U CN 201720343335U CN 206645732 U CN206645732 U CN 206645732U
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- roofing
- support frame
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Abstract
The utility model discloses a kind of Portable crane device for roofing；Including at least a fixed connection apparatus and a boom hoisting being hinged with fixed connection apparatus；The fixed connection apparatus includes preceding stay hook, rear stay hook and the preceding stay hook of connection, the rope band of rear stay hook, and the preceding stay hook, rear stay hook movable hook are located at the front and rear along wall before and after upper or house of house ridge；The boom hoisting includes frame torr, the support frame of the fixed or movable L-shaped being connected in frame torr, support frame as described above includes a vertical rack and a level frame, the front end of the level frame is provided with frame wheel and the pull rope being set around on frame wheel, and the frame wheel is rotatably arranged at the top of level frame；The pull rope is around being located on frame wheel.
Description
Technical field
Technical field of crane equipment is the utility model is related to, a kind of Portable hoisting for roofing is related in particular to and fills
Put, light equipment or the place of material but use environment fixed hoisting equipment not easy to install lifted by crane using few time in temporary needs,
Such as it is used to lift by crane light equipment or material toward on roofing.
Background technology
At present, interim few time toward when roofing transport mini-plant or material, it is necessary to use crane gear or lifting appliance or
Manpower is lifted by crane, existing crane gear, and installation, disassembly cost are high so that directly lifted by crane with rope by manpower mostly.Because roofing
It is mostly slope, lacks safety guarantee facility, the accident fallen from roofing happens occasionally.Equally existed using truck-mounted crane
Use cost is high, the factor limited by use environment.
Utility model content
A kind of the defects of the purpose of this utility model is to be directed to above-mentioned prior art, there is provided portable for roofing
Refitting is put, using in few lifting light equipment of temporary needs or material but use environment fixed hoisting equipment not easy to install
Place, as being used for lifting by crane light equipment or material toward on roofing.
To achieve these goals, the technical solution of the utility model is：
A kind of Portable crane device for roofing, including at least a fixed connection apparatus and one with being fixedly connected
The be hinged boom hoisting of device；The fixed connection apparatus includes preceding stay hook, rear stay hook and the preceding stay hook of connection, fixed afterwards
The rope band of hook, the preceding stay hook, rear stay hook movable hook are located at the front and rear along wall before and after upper or house of house ridge；Institute
Stating boom hoisting includes frame torr, the support frame of the fixed or movable L-shaped being connected in frame torr, and support frame as described above includes one vertically
Frame and a level frame, the front end of the level frame are provided with frame wheel and the pull rope being set around on frame wheel, and the frame wheel can turn
The dynamic top for being arranged at level frame；The pull rope is around being located on frame wheel.
As the improvement to above-mentioned technical proposal, one end of the pull rope is fixedly connected on rope band, the pull rope
The other end be connected with lifting motor and the equipment holder for fixed lifting motor.
As the improvement to above-mentioned technical proposal, the frame torr is channel-shaped or tubular structure, and support frame as described above is inserted into frame
In support, the frame torr is hinged on preceding stay hook or rear stay hook by jointed shaft.
As the improvement to above-mentioned technical proposal, the Portable crane device also includes a support meanss, the branch
Support arrangement includes one end and is provided with the diagonal brace of hook portion and the support bearing pin being arranged on support frame, and described diagonal brace one end is connected to
On rope band, one end is connected on support bearing pin by hook portion movable hook.
As the improvement to above-mentioned technical proposal, the Portable crane device also includes a kind of turning device, the upset
Device includes limit switch and the acting cylinder being connected with limit switch or compression gas spring, the limit switch are arranged on support frame
Level frame on, acting cylinder or the compressed gas spring one end is fixedly connected on rope band, the acting cylinder or compression gas spring
The other end be hinged on the vertical rack of support frame.
As the improvement to above-mentioned technical proposal, the Portable crane device also includes second of turning device, and this is turned over
Rotary device includes first baffle, the first gag lever post, rack-plate, the first third wheel, the first wire rope pulley, first gear, the first damping
Wheel；Support frame as described above has hollow inner chamber, and the vertical rack is axially disposed slip elongated slot, the first baffle, rack
Plate is parallel and is axially arranged in the hollow cavity of vertical rack, and first gag lever post is movably set in water by a rotating shaft
In flatrack, one end of first gag lever post is provided with drawstring and is connected by the drawstring with one end of first baffle；It is described
First damping wheel, first gear are arranged on the first bearing pin and are movably arranged on by first bearing pin in the inner chamber of vertical rack,
And first gear is meshed with rack-plate, limited block is provided with the first baffle, the limited block is pressed on the first bearing pin, institute
State the first bearing pin to pass from the slip elongated slot of vertical rack, one end of first bearing pin is provided with the first wire rope pulley, described to lead
Messenger after frame wheel, the first third wheel, the first wire rope pulley by being fixedly connected on rope band.
As the improvement to above-mentioned technical proposal, the Portable crane device also includes the third turning device, and this is turned over
Rotary device includes the second gag lever post, second baffle, the second third wheel, the second wire rope pulley, second gear, the second damping wheel, active
Rope sheave, rope sheave fixation kit；Support frame as described above has hollow inner chamber, and the vertical rack is axially disposed slip elongated slot, institute
State second baffle to be axially arranged in the hollow cavity of vertical rack, second gag lever post is movably set in by a rotating shaft
On level frame, one end of second gag lever post is provided with drawstring and is connected by the drawstring with one end of second baffle；Institute
The second damping wheel, rim pulley, second gear is stated to be arranged in series on the second bearing pin and be movably arranged on by second bearing pin
In the inner chamber of vertical rack, and the end set of second baffle has ratchet clamping part, and the ratchet clamping part is stuck in the teeth groove of second gear, institute
State rope sheave fixation kit, the second wire rope pulley is movably arranged on by a bearing pin in the dead slot of vertical rack and the second wire rope pulley
Positioned at the outside of vertical rack, rope sheave fixation kit is located in the inner chamber of vertical rack, and the rim pulley has with rope sheave fixation kit
Cord is connected；The pull rope after frame wheel, the second third wheel, the second wire rope pulley by being fixedly connected on rope band.
Portable crane device of the present utility model for roofing, by the use of the eaves in existing house, parapet, watt as
Fixing point, each fixing point is connected with flexible strand, support frame is fixed on roofing edge.One, steel wire rope is connected to roofing close to room
On rope band at top, and translation frame wheel is passed through, other end is connected with motor reel, and motor passes through equipment holder and equipment or material
It is fixed together.Lifted by crane by motor driven steel wire rope, when equipment and material are lifted to the height of the support frame at eaves, touched
To release the locking of support frame, support frame can will be played hanging object and be turned to oblique or flat room by vertically moving gag lever post with automatic turning
On face.
Compared with prior art, the utility model has the advantages and positive effects of：
Portable crane device of the present utility model for roofing, using in few lifting light equipment of temporary needs or
The place of material but use environment fixed hoisting equipment not easy to install, as being used for lifting by crane light equipment or material toward on roofing.
The beneficial effects of the utility model are that flexible connection is more, installation, convenient disassembly, the equipment that motor and needs lift by crane
Material is fixed together, and alleviates the weight needed in the part of roofing installation.Hanging object automatic turning can will be played to roofing, and
Small volume, in light weight, use cost is low, can be lifted by crane temporarily for roofing instead of manpower.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment in the utility model embodiment 1；
Fig. 2 is the structural representation of the another embodiment in the utility model embodiment 1；
Fig. 3 is the dimensional structure diagram of the utility model embodiment 1；
Fig. 4 is the structural representation of embodiment 2 of the present utility model；
Fig. 5 is the dimensional structure diagram of the utility model embodiment 3；
Fig. 6 is the action principle schematic diagram of the utility model embodiment 3；
Fig. 7 is the dimensional structure diagram of the utility model embodiment 4；
Fig. 8 is the action principle schematic diagram of the utility model embodiment 4；
Fig. 9 is the principle schematic of the running part of the utility model embodiment 4；
Figure 10 is the dimensional structure diagram of the utility model embodiment 5；
Figure 11 is the action principle schematic diagram of the utility model embodiment 5；
Figure 12 is the principle schematic of the running part of the utility model embodiment 5.
Embodiment
The utility model technology is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1：
As shown in Figure 1, Figure 2 and Figure 3, the Portable crane device for roofing of the present embodiment, it is solid including at least one
Determine attachment means and a boom hoisting being hinged with fixed connection apparatus；The fixed connection apparatus include preceding stay hook 1, after
Stay hook 2 and the preceding stay hook 1 of connection, the rope band 3 of rear stay hook 2, the preceding stay hook 1, rear stay hook movable hook 2 are located at house
Ridge it is front and rear along wall before and after upper or house；In Fig. 1, preceding stay hook 1, rear stay hook movable hook 2 are located at house ridge
It is front and rear along upper, in Fig. 2, preceding stay hook 1, rear stay hook movable hook 2 are located at before and after house on wall.
The boom hoisting includes frame torr 4, the support frame 5 of the fixed or movable L-shaped being connected in frame torr 4, the support
Frame 5 includes a vertical rack 51 and a level frame 52, and the front end of the level frame 52 is provided with frame wheel 6 and is set around frame wheel 6
On pull rope 7, the frame wheel 6 is rotatably arranged at the top of level frame 52；The pull rope 7 is around being located on frame wheel 52.
As the improvement to above-mentioned technical proposal, one end of the pull rope 7 is fixedly connected on rope band 3, the traction
The other end of rope 7 is connected with lifting motor 8 and the equipment holder 9 for fixed lifting motor 8.
As the improvement to above-mentioned technical proposal, the frame torr 4 is channel-shaped or tubular structure, and support frame as described above 5 is inserted into
In frame torr 4, the frame torr 4 is hinged on preceding stay hook 1 or rear stay hook 2 by jointed shaft.In use, manually help steady support
Frame, after taking up weight arrival support frame, support frame and a weight are put on roofing together, as steel wire rope constantly shortens, branch
Support and a weight move upwards along roofing together, until required position can stop.
Embodiment 2：
As shown in figure 4, as the improvement to above-mentioned technical proposal, the Portable crane device also includes a support and filled
Put, the support meanss include one end and are provided with the diagonal brace 11 of hook portion and the support bearing pin being arranged on support frame 5, described oblique
Support 11 one end to be connected on rope band 3, one end is connected on support bearing pin by hook portion movable hook.
Remaining structure as shown in Figure 1, 2, 3, no longer retouch herein as described in above-mentioned word embodiment 1 by the word description of structure
State.
Embodiment 3：
As the improvement to above-mentioned technical proposal, as shown in Figure 5, Figure 6, the Portable hoisting for roofing of the present embodiment
Device, in addition to a kind of turning device, the turning device include limit switch 12 and the acting cylinder 13 being connected with limit switch 12
Or compression gas spring 13, the limit switch 12 are arranged on the level frame 52 of support frame 5, the acting cylinder 13 or compressed gas bullet
The one end of spring 13 is fixedly connected on rope band 3, and the other end of the acting cylinder 13 or compression gas spring 13 is hinged on hanging down for support frame 5
On straight frame 51.Roller coil cord, play weight lifting.After playing the level frame that weight reaches support frame, by limit switch, open
Acting cylinder or compression gas spring, compression cylinder or compression gas spring, support frame and a weight are fallen on roofing slowly together.With
Steel wire rope constantly to shorten, support frame and a weight move upwards along roofing together, until required position can stop.
Remaining structure as described in Example 1, no longer describes herein.
Embodiment 4：
As the improvement to above-mentioned technical proposal, as shown in Fig. 7, Fig. 8, Fig. 9, the present embodiment is used for the portable of roofing
Hoisting apparatus, in addition to second of turning device, the turning device include first baffle 17, the first gag lever post 14, rack-plate 15,
First third wheel 16, the first wire rope pulley 18, first gear 19, the first damping wheel 20；Support frame as described above 5 has hollow inner chamber,
The vertical rack is axially disposed slip elongated slot, and the first baffle 17, rack-plate 15 are parallel and are axially arranged on vertical
In the hollow cavity of frame 51, first gag lever post 14 is movably set on level frame 52 by a rotating shaft, first limit
One end of position bar 14 is provided with drawstring and is connected by the drawstring with one end of first baffle 17；First damping wheel 20,
First gear 19 is arranged on the first bearing pin 21 and is movably arranged on by first bearing pin 21 in the inner chamber of vertical rack 51, and the
One gear 19 is meshed with rack-plate 15, and limited block 22 is provided with the first baffle 17, and the limited block 22 is pressed in the first pin
On axle 21, first bearing pin 21 passes from the slip elongated slot of vertical rack 51, and one end of first bearing pin 21 is provided with first
Wire rope pulley 18, the pull rope 7 after frame wheel 6, the first third wheel 16, the first wire rope pulley 18 by being fixedly connected on rope band 3.
Support frame as described above 5 and rope band 3 are provided with auxiliary drawstring 32 between preceding stay hook 1.To increase the steady of support frame 5
It is qualitative.
First bearing pin passes through the first wire rope pulley, the first damping wheel and first gear, and the first wire rope pulley is outside support frame
Side, the first damping wheel is with first gear on the inside of support frame.First bearing pin is fixed with first gear, can not be relatively rotated.First
Bearing pin can relatively rotate with the first damping wheel, the first wire rope pulley.First bearing pin unidirectional damping in the first damping wheel rotates, separately
One direction freely rotates.First wire rope pulley and first gear, can be along above and below the elongate holes on support frame by the first bearing pin
Slide.Rack-plate is fixed in support frame, is coordinated with first gear.First gag lever post is connected by cord with first baffle, the
One baffle plate can block the first bearing pin and move upwards.When starting lifting, the first wire rope pulley is in the bottom of elongate holes, the first steel
Cord wheel is under steel wire rope effect by upward power.Now because the stop of first baffle, the first bearing pin can not be with the first steel wires
Rope sheave moves upwards.Resultant direction is below hinging fulcrum.Relative to hinging fulcrum, support frame support frame is due to steel wire rope and again
Thing integrates the effect of torque, is rotated clockwise torque.In order to prevent support frame from being overturn clockwise to outside wall, with drawstring one end
It is connected with the rope band on roof, one end is connected with support frame, holds support frame.Now in the presence of weight, steel wire rope, drawstring,
Support frame remains static.First wire rope pulley is under steel wire rope effect by upward power.Now due to the resistance of first baffle
Gear, the first bearing pin can not move upwards with the first wire rope pulley.After playing weight arrival support frame, by pressing the first gag lever post, draw
Dynamic first baffle, first baffle is set not moved upwards in the first bearing pin of stop.
First wire rope pulley drives first gear to be moved upwards along rack-plate by the first bearing pin, due to the rotation of first gear
Turn drive the first bearing pin rotation, the first bearing pin because the effect of the first damping wheel slowly rotates, make the first wire rope pulley slowly to
Upper motion, while as the slow rising of the first wire rope pulley, support frame resultant direction cross hinging fulcrum to rotating clockwise
Afterwards, for hinging fulcrum, comprehensive torque is changed into rotating counterclockwise torque suffered by support frame, with the slow rising of wire rope pulley,
Support frame slowly falls on roofing.As steel wire rope constantly shortens, support frame and a weight move upwards along roofing together, until
Required position can stop.
Remaining structure as described in Example 1, no longer describes herein.
Embodiment 5：
As the improvement to above-mentioned technical proposal, as shown in Figure 10, Figure 11, Figure 12, the present embodiment is used for roofing just
Formula hoisting apparatus, in addition to the third turning device are taken, the turning device includes the second gag lever post 23, second baffle 24, second
Third wheel 25, the second wire rope pulley 26, second gear 27, the second damping wheel 28, rim pulley 29, rope sheave fixation kit 30；It is described
Support frame 5 has hollow inner chamber, and the vertical rack 51 is axially disposed slip elongated slot, and the second baffle 24 is set vertically
Put in the hollow cavity of vertical rack 51, second gag lever post 23 is movably set on level frame 52 by a rotating shaft, institute
The one end for stating the second gag lever post 23 is provided with drawstring and is connected by the drawstring with one end of second baffle 24；Second resistance
Buddhist nun's wheel 28, rim pulley 29, second gear 27 are arranged in series on the second bearing pin 31 and set by the activity of the second bearing pin 31
In the inner chamber of vertical rack 51, and the end set of second baffle 24 has ratchet clamping part, and the ratchet clamping part is stuck in second gear 27
In teeth groove, the rope sheave fixation kit 30, the second wire rope pulley 26 are movably arranged on the dead slot of vertical rack 51 by a pin
In and the second wire rope pulley 26 is located at the outside of vertical rack 51 and rope sheave fixation kit 30 is located in the inner chamber of vertical rack 51, it is described
Rim pulley 29 has cord to be connected with rope sheave fixation kit 30；The pull rope 7 passes through frame wheel 6, the second third wheel 25, the second steel
It is fixedly connected on after cord wheel 26 on rope band 3.
Support frame as described above 5 and rope band 3 are provided with auxiliary drawstring 32 between preceding stay hook 1.To increase the steady of support frame 5
It is qualitative.
For pin through the elongate holes on the second wire rope pulley and support frame, the second wire rope pulley can be along support by pin
Elongate holes on frame slide up and down.Pin one end is connected with rope sheave fixation kit.Cord one end is connected to rope sheave fixation group
On part, the other end is wrapped on rim pulley.Second gag lever post is connected by cord with second baffle, the second baffle other end
Tooth is stuck in second gear, prevents second gear from rotating.The damping wheel of lower section second is fixed on the second bearing pin, the second damping wheel
For unidirectional damping, second gear, rim pulley, the second damping wheel pass through the second bearing pin, second gear, rim pulley and the second pin
Axle is fixed together, it is impossible to rotates against.Second damping wheel can rotate on the second bearing pin, and a direction freely rotates, another
There is damping rotary in direction.Start lifting when, wire rope pulley elongate holes bottom, the second wire rope pulley steel wire rope act on
Under by upward power.Now because the braking of second baffle, second gear can not rotate, because the effect of the second bearing pin is actively restricted
Wheel can not rotate, and cord can hold pin, prevent wire rope pulley from moving upwards.Stress and change and embodiment 4 are identical herein,
Do not describing.After playing weight arrival support frame, by the second pressure gag lever post, second baffle is pulled, makes the second baffle other end
Tooth is no longer prevented from second gear rotation.
Wire rope pulley drives cord by pin, and cord pulls rim pulley, and rim pulley rotates together with the second bearing pin,
Second bearing pin slowly rotates in the presence of the second damping wheel.With the upward motion of wire rope pulley, support frame is slowly overturn, directly
To falling on roofing, as steel wire rope constantly shortens, support frame and play a weight and moved upwards along roofing together, until required position
It can stop.
Remaining structure as described in Example 1, no longer describes herein.
Portable crane device of the present utility model for roofing, by the use of the eaves in existing house, parapet, watt as
Fixing point, each fixing point is connected with flexible strand, support frame is fixed on roofing edge.One, steel wire rope is connected to roofing close to room
At top, and translation frame wheel is passed through, other end is connected with motor reel, and motor is fixed on one by equipment holder and equipment or material
Rise.Lifted by crane by motor driven steel wire rope, when equipment and material are lifted to the height of the support frame at eaves, support frame can from
Dynamic upset, hanging object will be played and be turned to by vertically moving tiltedly or on flat roof deck.
Compared with prior art, the utility model has the advantages and positive effects of：
Portable crane device of the present utility model for roofing, using in few lifting light equipment of temporary needs or
The place of material but use environment fixed hoisting equipment not easy to install, as being used for lifting by crane light equipment or material toward on roofing.
The beneficial effects of the utility model are that flexible connection is more, installation, convenient disassembly, the equipment that motor and needs lift by crane
Material is fixed together, and alleviates the weight needed in the part of roofing installation.Hanging object automatic turning can will be played to roofing, and
Small volume, in light weight, use cost is low, can be lifted by crane temporarily for roofing instead of manpower.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (8)
- A kind of 1. Portable crane device for roofing；It is characterized in that：Including at least a fixed connection apparatus and one The boom hoisting being hinged with fixed connection apparatus；The fixed connection apparatus is solid before including preceding stay hook, rear stay hook and connecting Determine hook, the rope band of rear stay hook, the preceding stay hook, rear stay hook movable hook are located at the front and rear along before upper or house of house ridge On back wall；The boom hoisting includes frame torr, the support frame of the fixed or movable L-shaped being connected in frame torr, support frame as described above Including a vertical rack and a level frame, the front end of the level frame is provided with frame wheel and the pull rope being set around on frame wheel, The frame wheel is rotatably arranged at the top of level frame；The pull rope is around being located on frame wheel.
- 2. the Portable crane device according to claim 1 for roofing, it is characterised in that：One end of the pull rope It is fixedly connected on rope band, the other end of the pull rope is connected with lifting motor and the equipment for fixed lifting motor is fixed Frame.
- 3. the Portable crane device according to claim 2 for roofing, it is characterised in that：The frame torr be channel-shaped or Tubular structure, support frame as described above are inserted into frame torr, and the frame torr is hinged on preceding stay hook or rear stay hook by jointed shaft.
- 4. the Portable crane device according to claim 3 for roofing, it is characterised in that：The Portable hoisting dress Putting also includes a support meanss, and the support meanss include one end and are provided with the diagonal brace of hook portion and are arranged on support frame Bearing pin is supported, described diagonal brace one end is connected on rope band, and one end is connected on support bearing pin by hook portion movable hook.
- 5. the Portable crane device according to claim 4 for roofing, it is characterised in that：The Portable hoisting dress Putting also includes a kind of turning device, and the turning device includes limit switch and the acting cylinder or compressed gas bullet that are connected with limit switch Spring, the limit switch are arranged on the level frame of support frame, and acting cylinder or the compressed gas spring one end is fixedly connected on rope Take, the other end of the acting cylinder or compression gas spring is hinged on the vertical rack of support frame.
- 6. the Portable crane device according to claim 4 for roofing, it is characterised in that：The Portable hoisting dress Putting also includes second of turning device, and the turning device includes first baffle, the first gag lever post, rack-plate, the first third wheel, first Wire rope pulley, first gear, the first damping wheel；Support frame as described above has hollow inner chamber, and the vertical rack is axially disposed to be had Elongated slot is slided, the first baffle, rack-plate are parallel and are axially arranged in the hollow cavity of vertical rack, and described first is spacing Bar is movably set on level frame by a rotating shaft, one end of first gag lever post be provided with drawstring and by the drawstring with One end of first baffle is connected；First damping wheel, first gear are arranged on the first bearing pin and by first bearing pins It is movably arranged in the inner chamber of vertical rack, and first gear is meshed with rack-plate, and limited block is provided with the first baffle, The limited block is pressed on the first bearing pin, and first bearing pin passes from the slip elongated slot of vertical rack, one end of first bearing pin The first wire rope pulley is provided with, the pull rope after frame wheel, the first third wheel, the first wire rope pulley by being fixedly connected on rope band On.
- 7. the Portable crane device according to claim 4 for roofing, it is characterised in that：The Portable hoisting dress Putting also includes the third turning device, and the turning device includes the second gag lever post, second baffle, the second third wheel, the second steel wire rope Wheel, second gear, the second damping wheel, rim pulley, rope sheave fixation kit；Support frame as described above has hollow inner chamber, described to hang down Directly frame is axially disposed slip elongated slot, and the second baffle is axially arranged in the hollow cavity of vertical rack, and described second Gag lever post is movably set on level frame by a rotating shaft, and one end of second gag lever post is provided with drawstring and by the drawing Rope is connected with one end of second baffle；Second damping wheel, rim pulley, second gear are arranged in series on the second bearing pin And be movably arranged on by second bearing pin in the inner chamber of vertical rack, and the end set of second baffle has ratchet clamping part, the card Teeth portion is stuck in the teeth groove of second gear, and the rope sheave fixation kit, the second wire rope pulley are movably arranged on by a bearing pin In the dead slot of vertical rack and the second wire rope pulley is located at the outside of vertical rack and rope sheave fixation kit is located in the inner chamber of vertical rack, The rim pulley has cord to be connected with rope sheave fixation kit；The pull rope passes through frame wheel, the second third wheel, the second steel wire rope It is fixedly connected on after wheel on rope band.
- 8. the Portable crane device for roofing according to claim 6 or 7, it is characterised in that：Support frame as described above with Rope band is provided with auxiliary drawstring between preceding stay hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720343335.2U CN206645732U (en) | 2017-04-02 | 2017-04-02 | A kind of Portable crane device for roofing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720343335.2U CN206645732U (en) | 2017-04-02 | 2017-04-02 | A kind of Portable crane device for roofing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206645732U true CN206645732U (en) | 2017-11-17 |
Family
ID=60275403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720343335.2U Active CN206645732U (en) | 2017-04-02 | 2017-04-02 | A kind of Portable crane device for roofing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206645732U (en) |
-
2017
- 2017-04-02 CN CN201720343335.2U patent/CN206645732U/en active Active
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