CN206858037U - Brake type assembly pulley and crane - Google Patents
Brake type assembly pulley and crane Download PDFInfo
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- CN206858037U CN206858037U CN201720746660.3U CN201720746660U CN206858037U CN 206858037 U CN206858037 U CN 206858037U CN 201720746660 U CN201720746660 U CN 201720746660U CN 206858037 U CN206858037 U CN 206858037U
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- pulley
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Abstract
The utility model provides a kind of brake type assembly pulley and crane, belongs to hoisting equipment field, including pulley main body, pulley bracket and brake apparatus, pulley main body are articulated in pulley bracket；Brake apparatus is installed on pulley bracket；Brake apparatus includes the dog point being arranged in pairs, and grip orifice is formed between two dog points being arranged in pairs, and pulley main body is stretched into grip orifice, two pinching ends it is close to each other either away from change the gap of grip orifice so that select clamp or decontrol pulley main body.At work, by controlling the brake apparatus on assembly pulley to realize the fast braking of pulley main body, easy to operate, good braking effect, the abrasion between pulley main body and rope is small, improves security for the brake type assembly pulley.
Description
Technical field
Hoisting equipment field is the utility model is related to, in particular to a kind of brake type assembly pulley and crane.
Background technology
At present, the rope in the equipment such as all kinds of cranes and elevator and pulley are that rope is set around on pulley, are passed through
Pulley realizes transmission, increases pulling force or lifting force by rotating pulley, and pulley generally all can be rotated freely, only
There is very small rolling frictional resistance, so as to improve mechanical efficiency.
Inventor has found that traditional crane at least has the disadvantage that in the course of the work under study for action：
For there is the occasion of anti-swing function requirement, when lifting mechanism joining with sling upper rack stops, because of inertia
Reason, traditional structure forms sling upper rack will be unable to make suspender wave time shortening by way of controlling pulley, can only allow it
Naturally stop, have impact on the operating efficiency of crane gear.
Utility model content
The purpose of this utility model is to provide a kind of brake type assembly pulley, to improve traditional crane at work,
Assembly pulley disposed thereon, which can not carry out braking at any time, to be caused to wave the problem of time length influences operating efficiency.
The purpose of this utility model is to provide a kind of crane, to improve traditional crane at work, positioned at it
On assembly pulley can not carry out braking at any time and cause to wave the problem of time length influences operating efficiency.
What embodiment of the present utility model was realized in：
Based on above-mentioned first purpose, the utility model provides a kind of brake type assembly pulley, including pulley main body, pulley branch
Frame and brake apparatus, the pulley main body are articulated in the pulley bracket；The brake apparatus is installed on the pulley bracket；
The brake apparatus includes the dog point being arranged in pairs, and forms grip orifice between two dog points being arranged in pairs, institute
State pulley main body to stretch into the grip orifice, two pinching ends are close to each other or away to change between the grip orifice
The pulley main body is decontroled in gap and then selection clamping.
In the utility model preferred embodiment, the pulley main body includes two wheel faces being oppositely arranged and is located at
Rope confined planes between two wheel faces, each there is annular clamping section on the wheel face, each annular clamping section
Along extending radially outwardly on the rope confined planes for the pulley main body.
In the utility model preferred embodiment, the clamping device includes braking using the caliper disc of hydraulic-driven
Device.
In the utility model preferred embodiment, in addition to for preventing the rope on the pulley main body from the cunning
The anti-off rope device to be come off on wheel body.
In the utility model preferred embodiment, the anti-off rope device includes support frame and adjustable plate, described
Support frame is installed on the pulley bracket, and the adjustable plate is installed on support frame as described above, and the adjustable plate can be relative to
Support frame as described above slides and then changes the spacing between the rope race of the adjustable plate and the pulley main body.
In the utility model preferred embodiment, in addition to gantry pillars, swinging axle and swinging axle clamp, the cunning
Wheel support is rotationally connected with the swinging axle, and the swinging axle is rotationally connected with the swing branch by the swinging axle clamp
On seat.
In the utility model preferred embodiment, in addition to pivoting support, the gantry pillars are installed on the revolution
In supporting, the pivot center of the pivot center of the pivoting support and the pulley main body is vertically arranged.
In the utility model preferred embodiment, in addition to detection means, the detection means are installed on the pulley
On support, state is turned on or off for detect the brake apparatus.
Based on above-mentioned second purpose, the utility model provides a kind of crane, including buffer unit, sling upper rack and
Described brake type assembly pulley, the buffer unit are installed on the sling upper rack, and the buffer unit includes buffering end,
It is described buffering end be used for limit the pulley main body relative to the gantry pillars vertical direction hunting range.
Based on above-mentioned second purpose, the utility model additionally provide a kind of crane, including buffer unit, sling upper rack with
And described brake type assembly pulley, the buffer unit include mounting seat and haulage chain, the mounting seat is installed on described hang
Have in restocking, by the traction chain link between the mounting seat and the pulley bracket, the buffer unit is used to limit
The pulley main body relative to the gantry pillars vertical direction hunting range.
The beneficial effect of the utility model embodiment is：
In summary, the utility model embodiment provides a kind of brake type assembly pulley, and its is simple and reasonable, is easy to make
Processing is made, is installed with easy to use, meanwhile, the brake type assembly pulley is when being operated, by controlling the braking on assembly pulley
Device can realize the fast braking of pulley main body, easy to operate, good braking effect, the mill between pulley main body and rope
Damage small, improve security.It is specific as follows：
The brake type assembly pulley that the present embodiment provides, include pulley main body and the pulley bracket of pulley main body be installed,
Pulley main body is rotatably connected on pulley bracket, and pulley main body is used for winding rope.In real work, rope motion, which drives, to be slided
Wheel body rotates relative to pulley bracket, rope is elongated either shorten realization be lifted on pulley bracket the decline of object or on
Rise, when assembly pulley is stopped, due to effect of inertia, assembly pulley will be caused to be rotated around rope in certain angle and produce and take
Thing device (suspender) waves, and in order to improve such case, brake apparatus is provided with pulley bracket, brake apparatus has two
Dog point, two dog points are oppositely arranged, and grip orifice is formd between two dog points, and pulley main body is extend into grip orifice,
Two dog points are relatively close or away from the gap that can change grip orifice, and then realize to clamp pulley main body or decontrol and slide
The function of wheel body.When brake apparatus works, two dog point synchronous workings realize the clamping to two wheel faces of pulley main body,
Clamping effect is good, can shorten waving the time for load-engaging device, improves operating efficiency.
The crane that the present embodiment provides includes above-mentioned brake type assembly pulley, has all of above-mentioned brake type assembly pulley
Advantage.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the brake type assembly pulley of the utility model embodiment；
Fig. 2 is the side schematic view of the brake type assembly pulley of the utility model embodiment；
Fig. 3 is the schematic top plan view of the brake type assembly pulley of the utility model embodiment；
Fig. 4 is the schematic diagram of the distressed structure of the brake type assembly pulley of the utility model embodiment；
Fig. 5 is the schematic top plan view of the distressed structure of the brake type assembly pulley of the utility model embodiment；
Fig. 6 is the side schematic view of the distressed structure of the brake type assembly pulley of the utility model embodiment；
Fig. 7 be the utility model embodiment 1 crane brake type assembly pulley and buffer unit first state knot
Structure schematic diagram；
Fig. 8 be the utility model embodiment 1 crane brake type assembly pulley and buffer unit the second state knot
Structure schematic diagram；
Fig. 9 is that the brake type assembly pulley of the crane of the utility model embodiment 1 and the distressed structure of buffer unit show
It is intended to；
Figure 10 is that the brake type assembly pulley of the crane of the utility model embodiment 2 and the first state of buffer unit are shown
It is intended to；
Figure 11 is that the brake type assembly pulley of the crane of the utility model embodiment 2 and second state of buffer unit are shown
It is intended to；
Figure 12 be the utility model embodiment 2 crane brake type assembly pulley and buffer unit distressed structure knot
Structure schematic diagram.
Icon：10- pulley main bodies；11- rope races；12- closing spaces；13- pulley spindles；14- annulars clamp
Portion；20- pulley brackets；30- brake apparatus；31- dog points；40- anti-off rope devices；41- support frames；42- adjustable plates；
43- adjustment holes；50- gantry pillars；60- swinging axles；70- swinging axle clamps；80- pivoting supports；81- fixes spacing
Block；82- mobile limited blocks；90- detection means；100- buffer units；110- buffers end；120- mounting brackets；130- pacifies
Fill seat；140- haulage chains；200- hold-down supports；300- flange plate structures.
Embodiment
For there is the occasion of anti-swing function requirement, when lifting mechanism joining with sling upper rack stops, because of inertia
Reason, traditional structure forms sling upper rack will be unable to make suspender wave time shortening by way of controlling pulley, can only allow it
Naturally stop, have impact on the operating efficiency of crane gear.
In consideration of it, inventor devises a kind of brake type assembly pulley and crane, by setting brake apparatus 30, ensure
Pulley main body 10 can realize Quick-clamped in the course of the work, shorten waving the time for load-engaging device in hoisting process, improve
Operating efficiency.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation, the orientation or position relationship of the instruction such as term " interior ", " outer " in description of the present utility model
For based on orientation shown in the drawings or position relationship, or the utility model product using when the orientation or position usually put
Relation, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
Brake type assembly pulley embodiment
Fig. 1-Fig. 6 is referred to, present embodiments provides a kind of brake type assembly pulley, includes pulley main body 10, pulley branch
Frame 20, brake apparatus 30, anti-off rope device 40, gantry pillars 50, swinging axle 60, swinging axle clamp 70, pivoting support 80 and
Detection means 90.
Pulley main body 10 is circle, and its circle centre position is provided with the through hole for installing pulley spindle 13.Pulley main body 10 includes
There are two wheel faces and the rope confined planes between two wheel faces, the section configuration of rope confined planes is V-shaped, is formd
For installing the rope race 11 of rope, it is easy to the fixed and positioned of rope.Each wheel face includes annular clamping section 14, each
Annular clamping section 14 is extended radially outwardly on rope confined planes along pulley main body 10.
Pulley bracket 20 includes two installing plates being oppositely arranged and connects the shrouding of two installing plates, installing plate and
Shrouding is steel plate, using being welded to connect.The one side of installing plate is welded in a plate face of shrouding, and two installing plates are relative and flat
Row is set, and two installing plates are located in the same plate face of shrouding.The through hole installed for pulley spindle 13 is provided with each installing plate,
Two through holes are to be coaxially disposed.Reinforcing plate is provided with each installing plate.
Brake apparatus 30 includes a pair of dog points 31, is arranged at intervals between a pair of dog points 31 and forms grip orifice, and two
Individual dog point 31 can be relatively close or away from motion, to change the spacing of grip orifice, realizes the pulley in grip orifice
The clamping or relieving of main body 10.In the present embodiment, brake apparatus 30 includes carrying out dog point 31 using hydraulic driving mode
The spot-type disc brake of driving.It should be noted that spot-type disc brake is prior art, in the present embodiment not to its structure and
Function is improved, in order to avoid narration repeats burden, herein without describing in detail.
Anti-off rope device 40 is used to prevent from coming off out of rope race 11 around the rope being located on pulley main body 10, Anti-rope drop
Device 40 includes support frame 41 and adjustable plate 42, and support frame 41 includes two risers and a transverse slat, two riser phases
To be arrangeding in parallel, transverse slat is installed on the same side of two risers, and the opposite side of the relative transverse slat of two risers is separately mounted to slide
On the installing plate of wheel support 20, gap is formed between transverse slat and pulley main body 10, adjustment hole 43, adjustment hole 43 are provided with transverse slat
For Long Circle hole.Two risers, transverse slat and pulley main body 10 define closing space 12.Adjustable plate 42 is rectangular slab, regulation
Plate 42 is arranged on transverse slat, and adjustable plate 42 is set on the arc surface that the one side of pulley main body 10 is indent, adjustable plate 42
There is the mounting hole to match with adjustment hole 43, adjustable plate 42 is fastened by bolts part on transverse slat, bolt fastener inserting
In in adjustment hole 43 and mounting hole, bolt fastener can slide in adjustment hole 43 relative to transverse slat, and then change adjustable plate
Gap between 42 and pulley main body 10, namely change the size of closing space 12.
Gantry pillars 50 includes bottom plate and is installed on be oppositely arranged two supporting plates of the same plate face of bottom plate, two
Supporting plate is oppositely arranged, and the through hole passed through for swinging axle 60 is provided with each supporting plate, and pulley bracket 20 is rotatably connected on pendulum
On moving axis 60, corresponding supporting plate is stretched out at the both ends of swinging axle 60 respectively, and the both ends of swinging axle 60 are connected with a swing respectively
Axle clamp 70, swinging axle clamp 70 are located at the part of the stretching supporting plate of swinging axle 60, and swinging axle clamp 70 can limit swing
Axle 60 is moved and rotated with circumferencial direction along its axis.The axis of the axis of swinging axle 60 and pulley main body 10 is vertically arranged.
Pivoting support 80 is used to install gantry pillars 50, the axis of pivoting support 80, the axis and pulley of swinging axle 60
The axis of main body 10 is vertically arranged two-by-two, the structure design of pivoting support 80, for making assembly pulley in use can be automatic
It is automatic in a certain angular range of circumferencial direction to adapt to adjustment, make stress optimal.Pivoting support 80 includes the inner ring being coaxially disposed
And outer ring, inner ring and outer ring relatively rotate, inner ring is connected by flange plate structure 300 with hold-down support 200, hold-down support 200
For installed in sling upper rack.Further, on the bottom plate of gantry pillars 50 by a certain angle be provided with two activity it is spacing
Block 82, correspondence position is provided with two fixation limited blocks 81 on the panel of load-engaging device (suspender), to limit this pulley gear energy
Enough adjust automatically loading angles in the circumference range limited are to reach stress optimum state.
Detection means 90 is used to monitor the working condition of brake apparatus 30 in real time, can detect at brake apparatus 30
In clamped condition or releasing orientation, also it can detect whether brake apparatus 30 works.Can by procedure auto-control, when
When brake apparatus 30 is not in all unclamping, corresponding lifting mechanism will be unable to start, to ensure safety.Detection means 90 can
So that using proximity switch component, sensor cluster etc., the distance between two pinching ends of detection or other modes can be passed through
Data judge come the starting state to brake apparatus 30 or relieving state.
The brake type assembly pulley that the present embodiment provides, pulley bracket 20 is installed on by pulley main body 10 by pulley spindle 13
On, the both ends of pulley spindle 13 are rotatably connected on two installing plates of pulley bracket 20.Spot-type disc brake is arranged on pulley branch
On frame 20, pulley main body 10 is extend between two pinching ends, and pinching end is correspondingly at the annular clamping section, during clamping, two
Pinching end is clamped on two annular clamping sections, realizes the clamping of pulley main body 10, and clamping mode is simple and reliable, is easy to pulley master
The processing and manufacturing of body 10, processing cost is low, is conveniently replaceable, and interchangeability is good.Meanwhile spot-type disc brake (is hung with load-engaging device
Tool) hydraulic system is shared, and set synchronous valve to have simultaneously to realize the synchronous braking to multiple pulley main bodies 10 in oil circuit
Have film-making wear automatic-compensation, can manual releasing function.Synchronous braking can ensure that multiple assembly pulley dwell times are consistent, to protect
Demonstrate,prove the steady of load-engaging device and reduce the abrasion of pulley main body 10 and rope；Film-making wear automatic-compensation can ensure multiple pulley masters
Brake clearance at body 10 is consistent, and braking maneuver is consistent, and load-engaging device is steady；Hand release can ensure that brake apparatus 30 exists
Brake apparatus 30 can be unclamped by manual operations during failure, to ensure the emergency of assembly pulley.Pulley bracket 20 is arranged on
On gantry pillars 50, the connection of pulley bracket 20 and gantry pillars 50 is realized by swinging axle 60 and swinging axle clamp 70,
This pulley gear can be made to adjust loading angle in vertical automatically to reach stress according to actual loading situation when in use
Most preferably.Gantry pillars 50 is installed on pivoting support 80, is installed on by hold-down support 200 on load-engaging device (suspender), work
During this pulley gear adjust automatically loading angle in a certain angular range of circumferencial direction can be made optimal to reach stress.
Detection means 90 is installed on assembly pulley, can realize and automatically control, when brake apparatus 30 is not in all unclamping, relatively
The lifting mechanism answered will be unable to start, to ensure safety.Anti-off rope device 40, anti-off rope device are installed on pulley bracket 20
40 can adjust the size of closing space 12 at rope race 11 according to actual conditions, depart from when being in relaxed state to prevent rope making rope
The equipment fault problem such as pulley main body 10 caused by rope race 11 and rope damage.
It should be noted that spot-type disc brake is located at the same diametrical position of pulley main body 10 with anti-off rope device 40
On, another closing space 12 is formd between the mounting bracket and rope race 11 of spot-type disc brake, with anti-off rope device 40
The collective effect of closing space 12 formed between rope race 11, improves security.
Crane embodiment 1
Fig. 7-Fig. 9 is referred to, present embodiments provides a kind of crane, buffer unit 100, sling upper rack and above-mentioned
The brake type assembly pulley that embodiment provides, buffer unit 100 are installed on sling upper rack, and buffer unit 100 includes buffering end
110 and mounting bracket 120, mounting bracket 120 is arranged on sling upper rack, and positioned at the side of pulley main body 10, buffering end 110 is used for
Limit pulley main body 10 relative to gantry pillars 50 vertical direction hunting range, when pulley main body 10 is in free state
(during line relaxation), assembly pulley will be swung aside under Gravitative Loads, and an installing plate of pulley bracket 20, which has been resisted against, to be delayed
Rush on end 110, enter to be unable to continue to swing, to reduce rope and the phenomenon of the failure such as damage caused by assembly pulley abrasion.Buffering
End 110 is made using the material with pooling feature, is fastened by bolts part and is installed on mounting bracket 120, to reduce pulley master
Abrasion and impact when body 10 is toppled over to it.
Crane embodiment 2
Refer to Figure 10-Figure 12, present embodiments provide a kind of crane, buffer unit 100, sling upper rack and on
The brake type assembly pulley of embodiment offer is stated, buffer unit 100 is installed on sling upper rack, and buffer unit 100 includes installation
Seat 130 and haulage chain 140, mounting seat 130 are installed on sling upper rack, by leading between mounting seat 130 and pulley bracket 20
Draw chain 140 to connect, buffer unit 100 is used to limit the swing model of pulley main body 10 relative to gantry pillars 50 in vertical direction
Enclose, when pulley main body 10 is swung in the course of the work, haulage chain 140 is straightened, and then limits pulley main body 10 and continue
Swing.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. brake type assembly pulley, it is characterised in that including pulley main body, pulley bracket and brake apparatus, the pulley Main body is articulated in the pulley bracket；The brake apparatus is installed on the pulley bracket；The brake apparatus includes in pairs The dog point of setting, grip orifice is formed between two dog points being arranged in pairs, the pulley main body stretches into the clamping It is intraoral, two pinching ends it is close to each other either away from change the gap of the grip orifice so that select clamp or decontrol The pulley main body.
- 2. brake type assembly pulley according to claim 1, it is characterised in that the pulley main body includes two be oppositely arranged Individual wheel face and the rope confined planes between two wheel faces, each there is annular clamping section on the wheel face, each The annular clamping section is extended radially outwardly on the rope confined planes along the pulley main body.
- 3. brake type assembly pulley according to claim 1, it is characterised in that the clamping device includes using hydraulic-driven Spot-type disc brake.
- 4. according to the brake type assembly pulley described in claim any one of 1-3, it is characterised in that also include described for preventing The anti-off rope device that rope on pulley main body comes off from the pulley main body.
- 5. brake type assembly pulley according to claim 4, it is characterised in that the anti-off rope device include support frame with And adjustable plate, support frame as described above are installed on the pulley bracket, the adjustable plate is installed on support frame as described above, the regulation Between plate can be slided relative to support frame as described above and then changed between the rope race of the adjustable plate and the pulley main body Away from.
- 6. according to the brake type assembly pulley described in claim any one of 1-3, it is characterised in that also including gantry pillars, swing Axle and swinging axle clamp, the pulley bracket are rotationally connected with the swinging axle, and the swinging axle passes through the swinging axle Clamp is rotationally connected with the gantry pillars.
- 7. brake type assembly pulley according to claim 6, it is characterised in that also including pivoting support, the gantry pillars It is installed on the pivoting support, the pivot center of the pivot center of the pivoting support and the pulley main body is vertically arranged.
- 8. brake type assembly pulley according to claim 6, it is characterised in that also including detection means, the detection means It is installed on the pulley bracket, state is turned on or off for detect the brake apparatus.
- 9. a kind of crane, it is characterised in that including buffer unit, sling upper rack and according to any one of claim 6-8 institutes The brake type assembly pulley stated, the buffer unit are installed on the sling upper rack, and the buffer unit includes buffering end, institute State buffering end be used for limit the pulley main body relative to the gantry pillars vertical direction hunting range.
- 10. a kind of crane, it is characterised in that including buffer unit, sling upper rack and according to any one of claim 6-8 Described brake type assembly pulley, the buffer unit include mounting seat and haulage chain, and the mounting seat is installed on the suspender In restocking, by the traction chain link between the mounting seat and the pulley bracket, the buffer unit is used to limit institute State pulley main body relative to the gantry pillars vertical direction hunting range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720746660.3U CN206858037U (en) | 2017-06-23 | 2017-06-23 | Brake type assembly pulley and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720746660.3U CN206858037U (en) | 2017-06-23 | 2017-06-23 | Brake type assembly pulley and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206858037U true CN206858037U (en) | 2018-01-09 |
Family
ID=60827997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720746660.3U Active CN206858037U (en) | 2017-06-23 | 2017-06-23 | Brake type assembly pulley and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206858037U (en) |
-
2017
- 2017-06-23 CN CN201720746660.3U patent/CN206858037U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Brake pulley block and crane Effective date of registration: 20220331 Granted publication date: 20180109 Pledgee: Changsha Liuyang sub branch of China Everbright Bank Co.,Ltd. Pledgor: CHINA RAILWAY WUXIN HEAVY INDUSTRY Co.,Ltd. Registration number: Y2022980003294 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230523 Granted publication date: 20180109 Pledgee: Changsha Liuyang sub branch of China Everbright Bank Co.,Ltd. Pledgor: CHINA RAILWAY WUXIN HEAVY INDUSTRY Co.,Ltd. Registration number: Y2022980003294 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Brake type pulley block and crane Effective date of registration: 20230525 Granted publication date: 20180109 Pledgee: Changsha Liuyang sub branch of China Everbright Bank Co.,Ltd. Pledgor: CHINA RAILWAY WUXIN HEAVY INDUSTRY Co.,Ltd. Registration number: Y2023980041881 |