CN105621248A - Cargo block capable of being opened and closed synchronously and provided with bridge type guide wheel and seven wheels hung inwards or retracted rapidly - Google Patents
Cargo block capable of being opened and closed synchronously and provided with bridge type guide wheel and seven wheels hung inwards or retracted rapidly Download PDFInfo
- Publication number
- CN105621248A CN105621248A CN201610195077.8A CN201610195077A CN105621248A CN 105621248 A CN105621248 A CN 105621248A CN 201610195077 A CN201610195077 A CN 201610195077A CN 105621248 A CN105621248 A CN 105621248A
- Authority
- CN
- China
- Prior art keywords
- bridge
- synchronous
- deflection sheave
- guide deflection
- hanging
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
Abstract
The invention relates to a cargo block for a steel cable or a rope or a guide rail, and in particular to a cargo block capable of being opened and closed synchronously and provided with a bridge type guide wheel and seven wheels hung inwards or retracted rapidly. The cargo block consists of a bridge guide wheel assembly, a rotary lifting ratchet lock assembly, a cargo block seat assembly, a cargo block assembly and synchronously opened and closed clamping seat assemblies, wherein the cargo block seat assembly is shaped like 9 or is designed as 180-degree-rotated U; the cargo block assembly is shaped crosswise in a manner that the upper part and the lower part are each provided with a circular arc-shaped groove or a polygonal groove; the synchronously opened and closed clamping seat assemblies mounted at the left or right of the cargo block seat assembly are the same in amount of spare and accessory parts, are the same in interior shape and exterior shape and can be mutually replaced for use. The cargo block disclosed by the invention is simple and easy to manufacture and install, high in interchangeability of spare and accessory parts and capable of being produced in batches in a standardized way; when to be used, the cargo block can be rapidly and automatically clamped and hung inwards in a way of approximately facing towards the steel cable or the rope or the guide rail downwards; during rapid retraction, the cargo block can be rapidly and automatically retracted from the steel cable or the rope or the guide rail by just upwards lifting the ratchet lock by a small force; the cargo block is rapid, convenient and safe in use.
Description
Technical field
The present invention relates to a kind of steel cable or the hanging pulley of rope or guide rail, especially a kind of " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ".
Background technology
Common conventional hanging pulley in existing market, it may also be useful to time needs first hanging pulley to be fit into and also do not have on fastening good steel cable or rope or guide rail, after install could use fastening for two of steel cable or rope or guide rail again; After needing when another kind of method uses first hanging pulley to be disassembled, hanging pulley could be installed on the fastening steel cable that installs in two or rope or guide rail. Such use-pattern very inconvenience, even also have hanging pulley jump in use skid off steel cable or rope after the phenomenon blocked occur, between mistaking especially, cause delay, dangerous again.
Summary of the invention
It is an object of the invention to openly a kind of, its spare and accessory parts interchangeability is strong, it is possible to stdn is produced in batches, it may also be useful to time fast, convenient, safe " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ".
The technical scheme that the present invention takes is: by bridge-type lead wheel assembly, rotate and upgrade spine lock assembly, hanging pulley seat assembly, Hanging roller always become, synchronous on-off grip slipper always becomes to form;
Bridge-type guiding wheel assembly is made up of the fastening Luo cap of guide wheel shaft, bridge-type guiding wheel seat, guide deflection sheave wheel shaft, guide deflection sheave bearing, guide deflection sheave. Bridge-type guiding wheel seat is unified by left and right two pieces, is assemblied in the both sides of Hanging roller respectively with Hanging roller axle; Guide deflection sheave bearing is arranged in guide deflection sheave both sides, installs the guide deflection sheave after guide deflection sheave bearing and one in front and one in back is installed in bridge-type guiding wheel seat with guide deflection sheave wheel shaft, more fastening with guide wheel shaft fastening Luo cap; Bridge-type guiding wheel assembly can freely up and down rotate on Hanging roller axle. Left view direction is seen and is rotated and upgraded spine lock assembly vertical central axis line axis vertical with hanging pulley and synchronous grip slipper ratchet sympodium line in inventive design totally one axis and face; Left view direction sees that the vertical axis of hanging pulley and front guide deflection sheave vertical central axis line have a design useful size 30MM��360MM. Left view direction sees that the vertical axis of hanging pulley and rear guide deflection sheave vertical central axis line have a design useful size 30MM��360MM. Left view direction sees that front guide deflection sheave vertical central axis line bottom land plane orthogonal line synchronous with left side multistage conic section has a design useful size 10MM��280MM. Left view direction sees that front guide deflection sheave vertical central axis line bottom land plane orthogonal line synchronous with the right multistage conic section has a design useful size 5MM��250MM. Left view direction sees that left side multistage conic section synchronous bottom land plane orthogonal line bottom land plane orthogonal line synchronous with the right multistage conic section has a design useful size 5MM��180MM. Left view direction sees that the horizontal axis of front and back guide deflection sheave and the horizontal axis of clamping wheel have a design useful size 0��250MM. Left view direction sees that the horizontal axis of front and back guide deflection sheave and the horizontal axis of hanging pulley have a design useful size 0��150MM. Left view direction sees that the horizontal axis of front and back guide deflection sheave and the horizontal axis of synchronous axle have a design useful size 0��120MM. Left view direction sees that the horizontal axis of front and back guide deflection sheave and the horizontal axis of Hanging roller have a design useful size 0��220MM.
Rotate and upgrade spine lock assembly and rotate and upgrade by pivot pin, square lifting spine bar fastening Luo cap, flat gasket, slope that hand rotates and upgrades the fastening screw of seat, slope, fastening ear, slope rotate and upgrade seat, spine lock, upper spring, lower spring, square lifting spine bar, interior square hole elastic stopping cover form. The shaping one of method of spine lock and the casting of fastening ear or mechanical workout, is fastened in the hole of hanging pulley seat the right and left with Luo nail, and interior square hole elastic stopping cover is fitted in spine lock and connects with synchronous grip slipper ratchet slip card; After be fitted into lower spring, square lifting spine bar, upper spring in order, rotate and upgrade the fastening screw of seat with slope slope is rotated and upgraded seat and be fastened in spine lock, load onto slope rotate and upgrade hand handle, flat gasket, fastening with square lifting spine bar fastening Luo cap after put on pivot pin.
Hanging pulley seat assembly shape is such as same 9 words or is designed to the U-shaped that rotates 180 ��; Hanging pulley seat assembly is imported rail formed by upper interchangeable suspension, hanging pulley seat, lower interchangeable suspension, lower adjustment tightening Luo bar, lower plunger spring, lower locating dowel, left side importing rail, the right. Upper interchangeable suspension Luo follows closely fastening or is molded over hanging pulley seat top by the method for casting or mechanical workout; Lower interchangeable suspension Luo follows closely fastening or is molded over hanging pulley seat bottom by the method for casting or mechanical workout; Lower locating dowel, lower plunger spring, lower adjustment tightening Luo bar are fitted in the hole, both sides of hanging pulley seat bottom in order, lower locating dowel Elastic Sliding ready to accept a higher or a lower post in hanging pulley bore; The left side imports rail, the right imports rail and is fastened in the both sides of bottom in hanging pulley seat with Luo nail respectively.
The total forming shape of Hanging roller respectively has the cross of an arc-shaped slot or polygon groove as top and bottom; Hanging roller always becomes and is made up of Hanging roller, the fastening Luo cap of Hanging roller axle, Hanging roller axle, Hanging roller bearing, jump ring. Hanging roller bearing is fitted in the both sides of Hanging roller respectively, Hanging roller is fit in hanging pulley seat, pass the axis hole on bridge-type guiding wheel seat and hanging pulley seat both sides with Hanging roller axle after, fastening with Hanging roller axle fastening Luo cap, then jump ring is stuck in the jump-ring slot of hanging pulley seat.
After synchronous on-off clamping seat assembly completes to be arranged on hanging pulley seat, the left side and the right synchronous on-off grip slipper always become the shape of composition as same to " symbol; be arranged on the hanging pulley seat left side clamp their spare and accessory parts quantity of seat assembly with the synchronous on-off on the right and inside and outside shape the same, can exchange general; Synchronous on-off clamping seat assembly by the synchronous grip slipper in the left side, synchronous bearing, synchronous axle, the synchronous groove of multistage conic section, synchronously drive head, drive head, the synchronous grip slipper in the right, clamping wheel first bearing, clamping wheel the 2nd bearing, clamping wheel, fastening Luo cap, clamping wheel stop pin, clamping wheel shaft, grip slipper Luo sell, synchronous grip slipper forms by power stop platform, synchronously grip slipper ratchet. Synchronous drive head and drive head grip slipper synchronous with left and right limit be cast as one or be designed to shaping by mechanical workout after be tightened to integrally; Left and right limit clamping wheel after installation can form a top and an arc-shaped slot or polygon groove are respectively arranged at bottom; Synchronous bearing is fitted in outside synchronous axle, and synchronous axle is fastened in the synchronous groove of multistage conic section in synchronous drive head; Clamping wheel shaft, through clamping wheel the 2nd bearing, clamping wheel, clamping wheel first bearing, the synchronous grip slipper in left and right limit, is fastened on the synchronous grip slipper in left and right limit with fastening Luo cap, clamping wheel stop pin on pin; Left and right limit synchronous on-off grip slipper always become respectively with grip slipper Luo sell be installed on hanging pulley seat both sides, can synchronously freely rotate up and down.
This " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting " manufactures, installs easily, spare and accessory parts interchangeability is strong, it is possible to stdn is produced in batches, it may also be useful to time fast, convenient, safety.
Accompanying drawing explanation
Fig. 1 is present configuration, position enlarged diagram
Fig. 2 is synchronous on-off structure of the present invention, position view
Fig. 3 is bridge-type of the present invention guiding wheel assembly, structure, position view
Embodiment
The technical scheme that the present invention takes is: by bridge-type lead wheel assembly, rotate and upgrade spine lock assembly, hanging pulley seat assembly, Hanging roller always become, synchronous on-off grip slipper always becomes to form;
See Fig. 1. Fig. 2. bridge-type guiding wheel assembly is made up of the fastening Luo cap (8) of guide wheel shaft, bridge-type guiding wheel seat (9), guide deflection sheave wheel shaft (10), guide deflection sheave bearing (11), guide deflection sheave (13). Bridge-type guiding wheel seat (9) is unified by left and right two pieces, is assemblied in the both sides of Hanging roller (3) respectively with Hanging roller axle (5); Guide deflection sheave bearing (11) is arranged in guide deflection sheave (13) both sides, guide deflection sheave (13) after guide deflection sheave bearing (11) is installed one in front and one in back be installed in bridge-type guiding wheel seat (9) with guide deflection sheave wheel shaft (10), more fastening with guide wheel shaft fastening Luo cap (8); Bridge-type guiding wheel assembly can freely up and down rotate on Hanging roller axle (5). See Fig. 3. left view direction is seen and is rotated and upgraded spine lock assembly vertical central axis line (59) axis vertical with hanging pulley (56) and synchronous grip slipper ratchet sympodium line (55) in inventive design totally one axis and face; See Fig. 3. left view direction sees that the vertical axis of hanging pulley (56) and front guide deflection sheave vertical central axis line (57) have a design useful size 30MM��360MM. See Fig. 3. left view direction sees that the vertical axis of hanging pulley (56) and rear guide deflection sheave vertical central axis line (58) have a design useful size 30MM��360MM. See Fig. 3. left view direction sees that front guide deflection sheave vertical central axis line (57) bottom land synchronous with left side multistage conic section plane orthogonal line (48) has a design useful size 10MM��280MM. See Fig. 3. left view direction sees that front guide deflection sheave vertical central axis line (57) bottom land synchronous with the right multistage conic section plane orthogonal line (49) has a design useful size 5MM��250MM. See Fig. 3. left view direction sees that left side multistage conic section synchronous bottom land plane orthogonal line (48) bottom land synchronous with the right multistage conic section plane orthogonal line (49) has a design useful size 5MM��180MM. See Fig. 3. left view direction sees that the horizontal axis of front and back guide deflection sheave (52) and the horizontal axis of clamping wheel (50) have a design useful size 0��250MM. See Fig. 3. left view direction sees that the horizontal axis of front and back guide deflection sheave (52) and the horizontal axis of hanging pulley (51) have a design useful size 0��150MM. See Fig. 3. left view direction sees that the horizontal axis of front and back guide deflection sheave (52) and the horizontal axis of synchronous axle (53) have a design useful size 0��120MM. See Fig. 3. left view direction sees that the horizontal axis of front and back guide deflection sheave (52) and the horizontal axis of Hanging roller (54) have a design useful size 0��220MM.
See Fig. 1. Fig. 2. rotate and upgrade by pivot pin (19), square lifting spine bar fastening Luo cap (20), flat gasket (21), slope, spine lock assembly rotates and upgrades that hand rotates and upgrades the fastening screw of seat (23) (22), slope, fastening ear (24), slope rotate and upgrade seat (25), spine lock (26), upper spring (27), lower spring (28), square lifting spine bar (29), interior square hole elastic stopping cover (30) form. Spine lock (26) and fastening ear (24) the shaping one of method of casting or mechanical workout, being fastened in the hole of hanging pulley seat (2) the right and left with Luo nail, interior square hole elastic stopping cover (30) is fitted in spine lock (26) and connects with synchronous grip slipper ratchet (47) slip card; After be fitted into lower spring (28), square lifting spine bar (29), upper spring (27) in order, rotate and upgrade the fastening screw of seat (23) with slope slope is rotated and upgraded seat (25) and be fastened in spine lock (26), load onto slope rotate and upgrade hand (22), flat gasket (21), fastening with square lifting spine bar fastening Luo cap (20) after put on pivot pin (19).
See Fig. 1. Fig. 2. hanging pulley seat assembly shape is such as same 9 words or is designed to the U-shaped that rotates 180 ��; Hanging pulley seat assembly is imported rail (38) formed by upper interchangeable suspension (1), hanging pulley seat (2), lower interchangeable suspension (12), lower adjustment tightening Luo bar (15), lower plunger spring (16), lower locating dowel (17), left side importing rail (41), the right. Upper interchangeable suspension (1) is followed closely fastening with Luo or is molded over hanging pulley seat (2) top by the method for casting or mechanical workout; Lower interchangeable suspension (12) is followed closely fastening with Luo or is molded over hanging pulley seat (2) bottom by the method for casting or mechanical workout; Lower locating dowel (17), lower plunger spring (16), lower adjustment tightening Luo bar (15) are fitted in the hole, both sides of hanging pulley seat (2) bottom in order, lower locating dowel (17) Elastic Sliding ready to accept a higher or a lower post in hanging pulley seat (2) hole; The left side imports rail (41), the right imports rail (38) and is fastened in the both sides of bottom in hanging pulley seat (2) with Luo nail respectively.
See Fig. 1. Fig. 2. the total forming shape of Hanging roller respectively has the cross of an arc-shaped slot or polygon groove as top and bottom; Hanging roller always becomes and is made up of Hanging roller (3), the fastening Luo cap (4) of Hanging roller axle, Hanging roller axle (5), Hanging roller bearing (6), jump ring (7). Hanging roller bearing (6) is fitted in the both sides of Hanging roller (3) respectively, Hanging roller (3) is fit in hanging pulley seat (2), with Hanging roller axle (5) through bridge-type lead wheel seat (9) and hanging pulley seat (2) both sides axis hole after, fastening with Hanging roller axle fastening Luo cap (4), then jump ring (7) is stuck in jump ring (7) groove of hanging pulley seat (2).
See Fig. 1. Fig. 2. after synchronous on-off clamping seat assembly completes to be arranged on hanging pulley seat (2), the left side and the right synchronous on-off grip slipper always become the shape of composition as same to " symbol, be arranged on hanging pulley seat (2) left side clamp their spare and accessory parts quantity of seat assembly with the synchronous on-off on the right and inside and outside shape the same, can exchange general, synchronous on-off clamping seat assembly is by the synchronous grip slipper in the left side (18), synchronous bearing (31), synchronous axle (32), the synchronous groove of multistage conic section (33), synchronously drive head (34), drive head (35), the synchronous grip slipper (36) in the right, clamping wheel first bearing (37), clamping wheel the 2nd bearing (39), clamping wheel (40), fastening Luo cap (42), clamping wheel stop pin (43), clamping wheel shaft (44), grip slipper Luo sells (45), synchronous grip slipper is by power stop platform (46), synchronous grip slipper ratchet (47) forms. synchronously drive head (34) and drive head (35) grip slipper synchronous with left and right limit (18.36) be cast as one or be designed to shaping by mechanical workout after be tightened to integrally, left and right limit clamping wheel (40) after installation can form a top and an arc-shaped slot or polygon groove are respectively arranged at bottom, synchronous bearing (31) is fitted in synchronous axle (32) outward, and synchronous axle (32) is fastened in the synchronous groove of the multistage conic section (33) synchronously driven in head (34), clamping wheel shaft (44) is through clamping wheel the 2nd bearing (39), clamping wheel (40), clamping wheel first bearing (37), the synchronous grip slipper in left and right limit (18.36), it is fastened on the synchronous grip slipper in left and right limit (18.36) with fastening Luo cap (42), clamping wheel stop pin (43) on pin, left and right limit synchronous on-off grip slipper always become respectively with grip slipper Luo sell (45) be installed on hanging pulley seat (2) both sides, can synchronously freely rotate up and down.
Use the present invention's " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting " only to need approximately to face toward steel cable or rope or guide rail (14) just can fast automatic clamping to be linked into downwards; Only need to upgrade spine lock when exiting fast, upwards promote just can fast automatic exit by a little power and clamp steel cable or rope or guide rail (14); This product manufacturing, install easily, spare and accessory parts interchangeability strong, it is possible to stdn is produced in batches, it may also be useful to time fast, convenient, safety.
Claims (10)
- " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ", 1. by bridge-type lead wheel assembly, rotate and upgrade spine lock assembly, hanging pulley seat assembly, Hanging roller always become, synchronous on-off grip slipper always becomes to form;Bridge-type guiding wheel assembly is made up of the fastening Luo cap (8) of guide wheel shaft, bridge-type guiding wheel seat (9), guide deflection sheave wheel shaft (10), guide deflection sheave bearing (11), guide deflection sheave (13); Bridge-type guiding wheel seat (9) is unified by left and right two pieces, is assemblied in the both sides of Hanging roller (3) respectively with Hanging roller axle (5); Guide deflection sheave bearing (11) is arranged in guide deflection sheave (13) both sides, guide deflection sheave (13) after guide deflection sheave bearing (11) is installed one in front and one in back be installed in bridge-type guiding wheel seat (9) with guide deflection sheave wheel shaft (10), more fastening with guide wheel shaft fastening Luo cap (8); Bridge-type guiding wheel assembly can freely up and down rotate on Hanging roller axle (5);Rotating and upgrading spine lock assembly Luo nail is fastened in the hole of hanging pulley seat (2) the right and left, and interior square hole elastic stopping cover (30) is fitted in spine lock (26) and connects with synchronous grip slipper ratchet (47) slip card;Hanging pulley seat assembly shape is such as same 9 words or is designed to the U-shaped that rotates 180 ��;The total forming shape of Hanging roller respectively has the cross of an arc-shaped slot or polygon groove as top and bottom;After synchronous on-off clamping seat assembly completes to be arranged on hanging pulley seat (2), the left side and the right synchronous on-off grip slipper always become the shape of composition as same to " symbol; be arranged on hanging pulley seat (2) left side clamp their spare and accessory parts quantity of seat assembly with the synchronous on-off on the right and inside and outside shape the same, can exchange general.
- 2. according to claim 1 to " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ", it is characterized in that: bridge-type guiding wheel assembly left view direction sees that the vertical axis of hanging pulley (56) and front guide deflection sheave vertical central axis line (57) have a design useful size 30MM��360MM.
- 3. according to claim 1 to " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ", it is characterized in that: bridge-type guiding wheel assembly left view direction sees that the vertical axis of hanging pulley (56) and rear guide deflection sheave vertical central axis line (58) have a design useful size 30MM��360MM.
- 4. according to claim 1 to " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ", it is characterized in that: bridge-type guiding wheel assembly left view direction sees that front guide deflection sheave vertical central axis line (57) bottom land synchronous with left side multistage conic section plane orthogonal line (48) has a design useful size 10MM��280MM.
- 5. according to claim 1 to " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ", it is characterized in that: bridge-type guiding wheel assembly left view direction sees that front guide deflection sheave vertical central axis line (57) bottom land synchronous with the right multistage conic section plane orthogonal line (49) has a design useful size 5MM��250MM.
- 6. according to claim 1 to " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ", it is characterized in that: bridge-type guiding wheel assembly left view direction sees that left side multistage conic section synchronous bottom land plane orthogonal line (48) bottom land synchronous with the right multistage conic section plane orthogonal line (49) has a design useful size 5MM��180MM.
- 7. according to claim 1 to " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ", it is characterized in that: bridge-type guiding wheel assembly left view direction sees that the horizontal axis of front and back guide deflection sheave (52) and the horizontal axis of clamping wheel (50) have a design useful size 0��250MM.
- 8. according to claim 1 to " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ", it is characterized in that: bridge-type guiding wheel assembly left view direction sees that the horizontal axis of front and back guide deflection sheave (52) and the horizontal axis of hanging pulley (51) have a design useful size 0��150MM.
- 9. according to claim 1 to " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ", it is characterized in that: bridge-type guiding wheel assembly left view direction sees that the horizontal axis of front and back guide deflection sheave (52) and the horizontal axis of synchronous axle (53) have a design useful size 0��120MM.
- 10. according to claim 1 to " bridge-type guide deflection sheave, synchronous on-off, seven take turns the hanging pulley being linked into fast or exiting ", it is characterized in that: bridge-type guiding wheel assembly left view direction sees that the horizontal axis of front and back guide deflection sheave (52) and the horizontal axis of Hanging roller (54) have a design useful size 0��220MM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195077.8A CN105621248A (en) | 2016-03-31 | 2016-03-31 | Cargo block capable of being opened and closed synchronously and provided with bridge type guide wheel and seven wheels hung inwards or retracted rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195077.8A CN105621248A (en) | 2016-03-31 | 2016-03-31 | Cargo block capable of being opened and closed synchronously and provided with bridge type guide wheel and seven wheels hung inwards or retracted rapidly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105621248A true CN105621248A (en) | 2016-06-01 |
Family
ID=56036659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610195077.8A Pending CN105621248A (en) | 2016-03-31 | 2016-03-31 | Cargo block capable of being opened and closed synchronously and provided with bridge type guide wheel and seven wheels hung inwards or retracted rapidly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105621248A (en) |
-
2016
- 2016-03-31 CN CN201610195077.8A patent/CN105621248A/en active Pending
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Application publication date: 20160601 |