CN207759922U - Large span suspender - Google Patents
Large span suspender Download PDFInfo
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- CN207759922U CN207759922U CN201721014651.1U CN201721014651U CN207759922U CN 207759922 U CN207759922 U CN 207759922U CN 201721014651 U CN201721014651 U CN 201721014651U CN 207759922 U CN207759922 U CN 207759922U
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- suspender
- hanging beam
- large span
- hanging
- positioning
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Abstract
The utility model provides a kind of large span suspender, it includes hanging beam, the first suspender and the second suspender, first suspender and the second suspender are connect with the hanging beam, it is characterized in that, the length direction activity of first suspender and/or the second suspender with the hanging beam along the hanging beam coordinates to adjust the horizontal distance of first suspender and/or the second suspender on the hanging beam.The large span suspender that the utility model embodiment provides, by the way that the first suspender and/or the second suspender are coordinated with hanging beam movable, horizontal distance between first suspender and the second suspender is adjusted, to be adapted to the lifting operation of large-span prestressed cored slab, compared to the previous mode for using large-scale crane, large span suspender can facilitate and stably accomplish the lifting operation of large span cored slab.
Description
Technical field
The utility model is related to assembled architecture field, especially a kind of large span suspender.
Background technology
Prestressing force (concrete) cored slab refers to before reinforced concrete member bearing load, first in the tensile region of component
Apply certain pressure, concrete is made to generate a kind of armored concrete panel of certain compressive deformation.The prestressing force (concrete)
Cored slab is generally cuboid framework, and multiple circular through holes extended transversely through in cuboid are equipped in the middle part of the cuboid, are being made
During work, the structure for the similar circular through hole that is recessed inwardly is commonly formed in the both sides long side of prestressing force (concrete) cored slab.
Since prestressed cored slab is typically primary property sliding formwork molding, molding pre-stress hollow in the production line of long line die station
The length of plate is longer, and what common suspender cannot be stablized slings this prestressed cored slab.In modern technologies, for prestressing force
The length of cored slab is often used large-scale loop wheel machine as lifting supporting point, amplifies out two cable wires and be bundled in prestressing force (coagulation
Soil) both ends of cored slab carry out lifting operation, but large-scale loop wheel machine is used to there are certain requirements lifting operation environment, and make
Inconvenience is dismounted with the mode that cable wire bundlees, it is also unstable in hoisting process, it is easy to happen safety accident.
Therefore, a kind of lifting of active demand at present is conveniently and the stable large span for completing large span object lifting operation is hung
Tool.
Invention content
In view of the deficiencies of the prior art, the utility model aim is to provide a kind of lifting convenience and stable completion large span object
The large span suspender of part lifting operation.
In order to solve the above technical problems, the utility model provides a kind of large span suspender comprising hanging beam, the first suspender and
Second suspender, first suspender and the second suspender are connect with the hanging beam, which is characterized in that first suspender and/or
Two suspenders coordinate along the length direction activity of the hanging beam with the hanging beam and are existed with adjusting first suspender and/or the second suspender
Horizontal distance on the hanging beam.
As the improvement of the utility model large span suspender, activity is provided on first suspender and/or the second suspender
Hanging piece, the activity hanging piece are slidably matched or roll cooperation with the hanging beam, be provided with and the hanging beam on the activity hanging piece
The location structure of cooperation.
As the improvement of the utility model large span suspender, the hanging beam is provided with multiple location holes, institute along its length
It includes positioning shaft sleeve and the positioning pin that is slidably matched with the positioning shaft sleeve to state location structure, and the positioning shaft sleeve is towards described fixed
The one end open in position hole, locating slot is offered on the positioning shaft sleeve, and the locating slot has stop position, set on the positioning pin
It is equipped with the stop part coordinated with the locating slot activity, in lockup state, the positioning pin stretches out simultaneously from the positioning shaft sleeve
Across the location hole, the stop part is inserted into the stop position.
As the improvement of the utility model large span suspender, the locating slot is L-type slot, and the outer end of the positioning pin is arranged
Have a handle, the stop part is to extend from the positioning pin and across the cylindrical body of the locating slot, the cylindrical body and
The handle is each perpendicular to the axial direction of the positioning pin and extends in the same direction.
As the improvement of the utility model large span suspender, the hanging beam includes upper beam, the lower cross in I-shaped connection
Beam and intermediate beam are provided with sliding slot and two spaced otic placodes on the activity hanging piece, and the intermediate beam passes through described two
Gap between a otic placode, the bottom end rail are inserted into the sliding slot and are slidably matched with the sliding slot, the location hole setting
In on intermediate beam, the positioning shaft sleeve is disposed therein on an otic placode, is provided on another otic placode and the positioning shaft sleeve phase
To mounting hole, in lockup state, the positioning pin pass through the location hole and mounting hole.
As the improvement of the utility model large span suspender, first suspender and the second suspender include spreader body,
The spreader body includes that intermediate connector, two arms and two hang pawl, one end of each arm and the intermediate connector
Hinged, the other end of each arm hangs pawl connection with corresponding, and the spreader body further includes the limitation arm relative to institute
State the position limiting structure of intermediate connector rotation.
As the improvement of the utility model large span suspender, limited block, the position limiting structure packet are provided on the arm
Rotation hook plate and lever are included, the rotation hook plate is rotatably connected with the intermediate connector, the lever and the rotation
Turn to hook plate connection to drive the rotation hook plate to rotate, under limit state, the rotation hook plate is inserted into the limited block.
Further include fixture as the improvement of the utility model large span suspender, described two pawls that hang are bent to form pincer
Face, described two pincerlike face openings for hanging pawl are opposite.
As the improvement of the utility model large span suspender, the length of the described two length directions for hanging pawl and the hanging beam
Direction is parallel, and described two both sides hung pawl and be located at the hanging beam.
As the improvement of the utility model large span suspender, hanging beam includes the semi-closed structure in lower ending opening, described to open
Mouthful position is down-set there are two spaced bottom end rail, offers sliding slot inside the hanging beam, the activity hanging piece is inserted into
It being slidably matched in the sliding slot and with the sliding slot, the location hole is correspondingly arranged in the bottom end rail, the movable hanging piece,
The positioning shaft sleeve is disposed therein on a bottom end rail, is provided on another bottom end rail and is relatively fixed with the positioning shaft sleeve
Hole, in lockup state, the positioning pin passes through the location hole and the mounting hole.
The large span suspender that the utility model embodiment provides, by the way that the first suspender and/or the second suspender are lived with hanging beam
Dynamic cooperation so that the horizontal distance between the first suspender and the second suspender can be adjusted, to be adapted to large-span prestressed cored slab
Lifting operation, compared to the previous mode for using large-scale crane, large span suspender conveniently and can stably accomplish large span
The lifting operation of cored slab.
Description of the drawings
Fig. 1 is the dimensional structure diagram for the large span suspender that the utility model embodiment provides.
Fig. 2 is the enlarged structure schematic diagram of local I in Fig. 1.
Fig. 3 is the enlarged structure schematic diagram of local I I in Fig. 1.
Fig. 4 is the enlarged structure schematic diagram of local I II in Fig. 1.
Fig. 5 is the front view for the large span suspender that the utility model embodiment provides.
Fig. 6 is the schematic diagram of A-A view directions in Fig. 5.
Fig. 7 is the schematic diagram of B-B view directions in Fig. 5.
Fig. 8 is the side view for the large span suspender that the utility model embodiment provides.
Fig. 9 is the dimensional structure diagram of the hanging beam for the large span suspender that the utility model embodiment provides.
Figure 10 is the dimensional structure diagram of the movable hanging piece for the large span suspender that the utility model embodiment provides.
Figure 11 is the dimensional structure diagram of the spreader body for the large span suspender that the utility model embodiment provides.
Figure 12 is that the spreader body for the large span suspender that the utility model embodiment provides is in the side view of non-limit state
Figure.
Figure 13 is that the spreader body for the large span suspender that the utility model embodiment provides is in facing for non-limit state
Figure
Figure 14 is that the spreader body for the large span suspender that the utility model embodiment provides is in the side view of limit state.
Figure 15 is that the spreader body for the large span suspender that the utility model embodiment provides is in the front view of limit state
Figure 16 is the schematic diagram that the large span suspender that the utility model embodiment provides is in lifting operation.
Figure 17 is structural schematic diagram of the large span suspender in another embodiment of the utility model embodiment offer.
The realization, functional characteristics and excellent effect of the utility model aim, will be below in conjunction with specific embodiments and attached
Figure is described further.
Specific implementation mode
Technical solution described in the utility model is described in further detail in the following with reference to the drawings and specific embodiments, with
So that those skilled in the art is better understood from the utility model and can be practiced, but illustrated embodiment is not as to this
The restriction of utility model.
It please refers to Fig.1 to Figure 17, the utility model embodiment provides a kind of large span suspender, including hanging beam 1, first hangs
Tool 2 and the second suspender 3, the first suspender 2 and the second suspender 3 are connect with hanging beam 1, and hanging beam 1 can be made by the long angle steel of a large span
It forms, the object of the corresponding large span of length direction (i.e. the length direction of hanging beam 1) of long angle steel is (such as large-span prestressed hollow
Plate 7) length direction, the first suspender 2 and the second suspender 3 can adjust the horizontal distance between both with the corresponding object across
Degree.In general embodiments, the length direction activity of the first suspender 2 and the second suspender 3 with hanging beam 1 along hanging beam 1 coordinates to adjust
The horizontal distance of first suspender 2 and the second suspender 3 on hanging beam 1, i.e. the first suspender 2 and the second suspender 3 can be with respect to hanging beams 1
Movement is to adjust the horizontal distance between two suspenders, to meet the needs of the object of lifting operation, the first suspender 2 and the second suspender 3
It can be movable relatively.In other embodiments, one of the first suspender 2 and the second suspender 3 with hanging beam 1 along the length of hanging beam 1
Direction activity cooperation, and another is then fixedly connected on hanging beam 1, immovable, the suspender that activity coordinates water on hanging beam 1
Translation is dynamic, to adjust the horizontal distance between two suspenders.
In general embodiments, be provided with movable hanging piece 4 on the first suspender 2 and the second suspender 3, movable hanging piece 4 can with hang
Beam 1 is slidably matched or rolls cooperation, the mode being slidably matched can by hanging beam 1 or movable hanging piece 4 one of them setting sliding slot,
Hanging beam 1 or the wherein another embedded sliding slot of movable hanging piece 4 realize sliding, roll cooperation mode can by movable hanging piece 4 with hang
Gap setting ball or idler wheel between beam 1 roll to realize.In other embodiments, its of the first suspender 2 and the second suspender 3
One of be provided with movable hanging piece 4 on (such as the first suspender 2), be slidably matched or roll cooperation by movable hanging piece 4 and hanging beam 1,
One of first suspender 2 and the second suspender 3 (such as the second suspender 3) are fixedly connected on hanging beam 1, immovable.
In a preferred embodiment, it in order to ensure the completion lifting operation that the first suspender 2 and the second suspender 3 can be stablized, keeps away
Exempt from lifting object to be displaced or tilt during lifting operation, the positioning coordinated with hanging beam 1 is may be provided on movable hanging piece 4
Structure 5 (does not indicate), for when movable hanging piece 4 slides or is rolled to required position, movable hanging piece 4 to be fixed on hanging beam 1.
Specifically, please refer to Fig.1, Fig. 4 and Fig. 5, hanging beam 1 is provided with multiple location holes 51 along its length, location hole 51 can it is rounded,
Rectangular, location structure 5 includes positioning shaft sleeve 52 and the positioning pin 53 being slidably matched with positioning shaft sleeve 52, the shape of positioning shaft sleeve 52
Match with location hole 51, i.e., cylinder or square column type, positioning shaft sleeve 52 is towards the one end open of location hole 51, positioning pin 53
It is slidably inserted into a positioning hole 51, movable hanging piece 4 is relatively fixed on the position of the location hole 51, it is immovable.
Fig. 6, Fig. 7 and Figure 10 are please referred to, positioning pin 53 falls off from positioning shaft sleeve 52 in order to prevent, can on positioning shaft sleeve 52
Offer locating slot 54, the substantially L-shaped slot of locating slot 54.The stop part with 54 activity cooperation of locating slot is provided on positioning pin 53
531, stop part 531 is preferably the cylindrical body for extending and passing through locating slot 54 from positioning pin 53, and stop part 531 can be small
Circular steel column, locating slot 54 accordingly have stop position 541, i.e., " L " type groove are divided into two parts, such as perpendicular section part and crosspiece portion
Point, the small circular steel column on positioning pin 53 is slided along the perpendicular section part of " L " type groove so that positioning pin 53 stretches out simultaneously from positioning shaft sleeve 52
About 90 ° are rotated across location hole 51, then by positioning pin 53, the take advantage of a situation crosspiece part of slide-in " L " type groove of small circular steel column is made (to stop
Gear 541), stop part 531 is locked in the stop position 541 of locating slot 54, to prevent positioning pin 53 from positioning shaft sleeve 52
It falls off.
Referring to FIG. 6, in lockup state, positioning pin 53 stretches out from positioning shaft sleeve 52 and passes through location hole 51, stop part
531 are inserted into stop position 541.
Referring to FIG. 7, in non-lockup state, positioning pin 53 is pulled out from positioning shaft sleeve 52, and stop part 531 slides into " L " type
The perpendicular section part of slot.
In order to facilitate the operation of stop part 531, the outer end of positioning pin 53 is provided with handle 532, stop part 531 and handle
532 can be each perpendicular to the axial direction of positioning pin 53 and extend in the same direction.
Referring to FIG. 9, in general embodiments, hanging beam 1 generally comprises upper beam 11, the bottom end rail connected in " I " fonts
12 and intermediate beam 13.Upper beam 11 is fixedly connected with lifting lug, for being detachably connected with lifting equipment, completes the lifting of hanging beam 1.
Further include multiple reinforcing ribs in order to reinforce the stability of hanging beam 1, on upper beam 11, section is roughly triangular.
Referring to FIG. 10, be provided with sliding slot and two spaced otic placodes 41 on movable hanging piece 4, movable hanging piece 4 is from hanging
The both ends of beam 1 enter, gap of the intermediate beam 13 across two otic placodes 41, and bottom end rail 12 is inserted into sliding slot and is slided with sliding slot
Cooperation.Multiple location holes 51 can be equidistantly positioned on intermediate beam 13, positioning shaft sleeve 52 is disposed therein on an otic placode 41, separately
It is provided on one otic placode 41 and is relatively fixed hole 56 with positioning shaft sleeve 52, in lockup state, positioning pin 53 passes through location hole 51
And mounting hole 56, movable hanging piece 4 is relatively fixed in the mounting hole 56 of intermediate beam 13.
7 are please referred to Fig.1, in another embodiment, hanging beam 1 includes the semi-closed structure in lower ending opening, is substantially in " Jiong "
Word structure, aperture position is down-set, and there are two spaced bottom end rails 12.Sliding slot, the diameter of sliding slot are offered inside hanging beam 1
To the radial direction more than open space, to ensure that movable hanging piece 4 is not fallen out in sliding process.Movable hanging piece 4 is inserted into sliding slot
And be in sliding fit with the sliding chute, location hole 51 is correspondingly arranged in bottom end rail 12, movable hanging piece 4, and positioning shaft sleeve 52 is disposed therein
On one bottom end rail 12, it is provided on another bottom end rail 12 and is relatively fixed hole 56 with positioning shaft sleeve 52, in lockup state,
Positioning pin 53 passes through location hole 51 and mounting hole 56, and movable hanging piece 4 is relatively fixed in the mounting hole 56 of bottom end rail 12.
1 is please referred to Fig.1, the first suspender 2 and the second suspender 3 include spreader body, and spreader body includes intermediate connector
21, two arms 22 and two hang pawl 23.Referring to FIG. 2, bolt, axis pin etc. can be used with movable hanging piece 4 in intermediate connector 21
Fastener is attached.Two are hung pawl 23 and are bent to form pincerlike face, substantially Cheng " ∟ " shape, two pincerlike face openings for hanging pawl 23
Relatively, for capturing object.In general embodiments, in order to improve the fastness of crawl, two pincers for hanging pawl 23 can be increased
Face frictional force, such as add lines, slip-proofing device.Two length directions for hanging pawl 23 are parallel with the length direction of hanging beam 1, and two
A both sides hung pawl 23 and be located at hanging beam 1 need the object lifted to be placed on 1 lower section of hanging beam, the first suspender 2, second hang
It after tool 3 determines horizontal distance, hangs pawl 23 by two and is captured, complete lifting operation.1 is please referred to Fig.1, two arms 22 are grown
Degree is consistent, and two arms 22 are symmetricly set on the both sides of intermediate connector 21, one end and the intermediate connector 21 of each arm 22
Hinged, the other end of each arm 22 is connected with the corresponding pawl 23 that hangs, and two arms 22 can be revolved around intermediate connector 21
Turn, with two spaces for hanging the crawl of pawl 23 of adjustment.Two adjustment for hanging pawl 23 for convenience, hang and may be provided with multiple hang on pawl 23
Ring or other structures that can be held.
It please refers to Fig.3, Figure 12 to Figure 15, in a preferred embodiment, spreader body further includes limitation arm 22 relative in
Between the position limiting structure 6 (not indicating) that rotates of connector 21, position limiting structure 6 can limit 22 phase backspin of the first arm 22 and the second arm
Turn.Specifically, position limiting structure 6 includes rotation hook plate 62 and lever 63, and rotation hook plate 62 rotatably connects with intermediate connector 21
It connects, the lower end of rotation hook plate 62 is in hook, is provided with limited block 61 on arm 22, such as triangle iron block, rectangle with right-angle side
Iron block or with the matched shape in 62 lower end of rotation hook plate, lever 63 connect with rotation hook plate 62 to drive 62 turns of rotation hook plate
It is dynamic.4 and Figure 15 are please referred to Fig.1, under limit state, 62 hooking of the rotation hook plate limited block 61 limits the first arm 22 and the
The rotation of two arms 22.
2 and Figure 13 are please referred to Fig.1, in non-limit state, i.e., rotation hook plate 62 is far from limited block 61, the first arm 22 and
Two arms 22 are rotated down due to gravity.
6 are please referred to Fig.1, the process that the utility model large span suspender carries out lifting operation is to use lifting equipment first
Suspension hook hang on the lifting lug of 1 upper beam 11 of hanging beam, rotation two hang pawl 23 so that rotation hook plate 62 can be hooked on limited block 61
On, i.e. limitation two is hung pawl 23 and is rotated inward.Horizontal adjustment the first suspender 2 and/or the second suspender 3 are to large-span prestressed hollow
7 top of plate, makes the center of gravity line of large span suspender be overlapped substantially with the center of gravity line of large-span prestressed cored slab 7.
Start that lifting equipment is downward, makes two of the first suspender 2 and the second suspender 3 to hang pawl 23 and be attached to large-span prestressed sky
The top of core 7, two are hung the top surface that pawl 23 is roughly parallel to large-span prestressed cored slab 7 at this time.Rotation hook plate 62 is revolved
Nearly plumbness (i.e. non-limit state) is gone to, two such is hung pawl 23 and is no longer restricted, and can rotate inward.
It is upward to start lifting equipment, is no longer restrictively rotated inward due to hanging pawl 23, as large span suspender rises upwards
It hangs, hangs pawl 23 and tightly clamp large-span prestressed cored slab 7, it is made to be lifted together.So far, just using large span suspender
Complete the lifting operation of large-span prestressed cored slab 7.
The large span suspender that the utility model embodiment provides, by the way that the first suspender and/or the second suspender are lived with hanging beam
Dynamic cooperation so that the horizontal distance between the first suspender and the second suspender can be adjusted, to be adapted to large-span prestressed cored slab
Lifting operation, compared to the previous mode for using large-scale crane, large span suspender conveniently and can stably accomplish large span
The lifting operation of cored slab.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (9)
1. a kind of large span suspender comprising hanging beam, the first suspender and the second suspender, first suspender and the second suspender and institute
State hanging beam connection, which is characterized in that first suspender and/or the second suspender are with the hanging beam along the length direction of the hanging beam
Activity cooperation to adjust the horizontal distance of first suspender and/or the second suspender on the hanging beam, first suspender and/
Or second be provided with movable hanging piece on suspender, the activity hanging piece is slidably matched or rolls cooperation, the activity with the hanging beam
The location structure coordinated with the hanging beam is provided on hanging piece.
2. large span suspender as described in claim 1, which is characterized in that the hanging beam is provided with multiple positioning along its length
Hole, the location structure include positioning shaft sleeve and the positioning pin that is slidably matched with the positioning shaft sleeve, the positioning shaft sleeve direction
The one end open of the location hole, locating slot is offered on the positioning shaft sleeve, and the locating slot has stop position, the positioning
The stop part coordinated with the locating slot activity is provided on pin, in lockup state, the positioning pin is from the positioning shaft sleeve
Stretch out and pass through the location hole, the stop part to be inserted into the stop position.
3. large span suspender as claimed in claim 2, which is characterized in that the locating slot is L-type slot, the positioning pin it is outer
End is provided with handle, and the stop part is to extend from the positioning pin and across the cylindrical body of the locating slot, the column
Body and the handle are each perpendicular to the axial direction of the positioning pin and extend in the same direction.
4. large span suspender as claimed in claim 2, which is characterized in that the hanging beam includes the upper cross in I-shaped connection
Beam, bottom end rail and intermediate beam are provided with sliding slot and two spaced otic placodes, the intermediate beam pass through on the activity hanging piece
Gap between described two otic placodes, the bottom end rail are inserted into the sliding slot and are slidably matched with the sliding slot, the positioning
Hole is set on intermediate beam, and the positioning shaft sleeve is disposed therein on an otic placode, is provided on another otic placode and the positioning
Axle sleeve is relatively fixed hole, and in lockup state, the positioning pin passes through the location hole and mounting hole.
5. large span suspender as described in claim 1, which is characterized in that first suspender and the second suspender are including suspender
Ontology, the spreader body include that intermediate connector, two arms and two hang pawl, and one end of each arm and the centre connect
Fitting is hinged, and the other end of each arm hangs pawl connection with corresponding, and the spreader body further includes that the limitation arm is opposite
In the position limiting structure of intermediate connector rotation.
6. large span suspender as claimed in claim 5, which is characterized in that be provided with limited block, the limit on the arm
Structure includes rotation hook plate and lever, and the rotation hook plate is rotatably connected with the intermediate connector, the lever with
The rotation hook plate connection under limit state, is limited with driving the rotation hook plate to rotate described in the rotation hook plate hooking
Block.
7. large span suspender as claimed in claim 5, which is characterized in that described two pawls that hang are bent to form pincerlike face, described
Two pincerlike face openings for hanging pawl are opposite.
8. large span suspender as claimed in claim 5, which is characterized in that described two length directions for hanging pawl and the hanging beam
Length direction it is parallel, and described two both sides hung pawl and be located at the hanging beam.
9. large span suspender as claimed in claim 3, which is characterized in that hanging beam includes the semi-closed structure in lower ending opening, described
Aperture position is down-set there are two spaced bottom end rail, and sliding slot is offered inside the hanging beam, and the activity hanging piece is inserted
Enter in the sliding slot and be slidably matched with the sliding slot, the location hole is correspondingly arranged on the bottom end rail, the locating shaft
Set is disposed therein on a bottom end rail, is provided on another bottom end rail and is relatively fixed hole with the positioning shaft sleeve, in locking
When state, the positioning pin passes through the location hole and the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721014651.1U CN207759922U (en) | 2017-08-11 | 2017-08-11 | Large span suspender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721014651.1U CN207759922U (en) | 2017-08-11 | 2017-08-11 | Large span suspender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207759922U true CN207759922U (en) | 2018-08-24 |
Family
ID=63177878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721014651.1U Active CN207759922U (en) | 2017-08-11 | 2017-08-11 | Large span suspender |
Country Status (1)
| Country | Link |
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| CN (1) | CN207759922U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902297A (en) * | 2019-10-21 | 2020-03-24 | 广东自来物智能科技有限公司 | Hang case and press from both sides lock and hang integrated configuration |
| CN114261881A (en) * | 2021-12-24 | 2022-04-01 | 北京特种机械研究所 | Universal lifting appliance lifting chain adjusting and locking mechanism |
-
2017
- 2017-08-11 CN CN201721014651.1U patent/CN207759922U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902297A (en) * | 2019-10-21 | 2020-03-24 | 广东自来物智能科技有限公司 | Hang case and press from both sides lock and hang integrated configuration |
| CN110902297B (en) * | 2019-10-21 | 2021-08-20 | 广东自来物智能科技有限公司 | Hang case and press from both sides lock and hang integrated configuration |
| CN114261881A (en) * | 2021-12-24 | 2022-04-01 | 北京特种机械研究所 | Universal lifting appliance lifting chain adjusting and locking mechanism |
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