CN109649254A - A kind of transfer car(buggy) bracket - Google Patents
A kind of transfer car(buggy) bracket Download PDFInfo
- Publication number
- CN109649254A CN109649254A CN201811383004.7A CN201811383004A CN109649254A CN 109649254 A CN109649254 A CN 109649254A CN 201811383004 A CN201811383004 A CN 201811383004A CN 109649254 A CN109649254 A CN 109649254A
- Authority
- CN
- China
- Prior art keywords
- bracket
- buckle closure
- buggy
- screw rod
- transfer car
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/06—Securing of load
- B60P7/13—Securing freight containers or forwarding containers on vehicles
Abstract
The present invention relates to a kind of transfer car(buggy) brackets, belong to vehicle transhipment technical field.The present invention program structure is simple, at low cost, the manufacturing cycle is short, only can limit the front and rear, left and right of packing case by 4 brackets, move up and down；Bracket is screwed on transfer car(buggy) plate according to packing case location footprint relationship.By verification experimental verification, the present invention solves the quick fixation problem of packing case transhipment.
Description
Technical field
The invention belongs to vehicles to transport technical field, and in particular to a kind of transfer car(buggy) bracket.
Background technique
Packing case is transported using transit vehicle at present.Packing case is sufficiently bulky, heavier-weight, each packing case and transfer car(buggy)
At least fixed using 3 tight devices of bolt, it is time-consuming and laborious.Therefore it needs to design a kind of transfer car(buggy) bracket, solves when packing case is transported
Quick fixation problem.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved by the present invention is a kind of transfer car(buggy) bracket how is designed, when solving packing case transhipment
Quick fixation problem.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of transfer car(buggy) brackets, including the first bracket 1, the second support
Seat 2, third bracket 3, the 4th bracket 4；It is flat to be screwed onto transfer car(buggy) according to packing case stabilizer blade corresponding position relationship respectively for four brackets
On plate；Four brackets are used to limit the front and rear, left and right of unmanned plane packing case, move up and down.
Preferably, first bracket 1 includes block 11, the first bottom plate 12, handle 13, handwheel 14, screw rod 15, swivel nut
16, buckle closure 17, sealing plate 18, compact heap 19, voussoir 20, key 21；
There are 2 circular holes in described first bottom plate, 12 one end, and the other end has 4 circular holes, and there are two the rectangular blocks of protrusion at middle part；
The screw rod 15 is from left to right followed successively by the first thread segment 15-1, keyway section 15-2, the second thread segment 15-3, first
Cylindrical section 15-4 and rotary table section 15-5；
The swivel nut 16 is followed successively by flange 16-1, escape 16-2, the second cylindrical section 16-3 from top to bottom；16 center of swivel nut
With elongated threaded hole；
The buckle closure 17 includes L shape bottom surface, and bottom surface side has vertical plate, and vertical plate is equipped with circular hole 17-1, and bottom surface, which is equipped with, to be seen
Hole 17-2 is examined, multiple convex blocks are additionally provided in bottom edge, forms the first rectangular channel 17-3 between the multiple convex block and bottom surface, the
Two rectangular channel 17-4, the first rectangular channel 17-3 is vertical with the second rectangular channel 17-4, and circular hole on the first rectangular channel 17-3 and vertical plate
Plane where 17-1 is vertical；Multiple threaded holes are additionally provided on the multiple convex block；
There is chamfering in 19 front end of compact heap, and there is elongated groove 19-2 in rear end；
The fluted 20-1 in 20 left end of voussoir, right end have elongated groove 20-2；
11 shape of block is rectangular block, and there are two counter sinks at top；Block 11 and 12 front end of the first bottom plate use 2
Screw connection；
Second thread segment 15-3 of the screw rod 15 is screwed in the threaded hole of swivel nut 16, the second cylindrical section 16-3 of swivel nut 16
It is inserted on the vertical plate of buckle closure 17 in circular hole 17-1, on the flange 16-1 of swivel nut 16 and the vertical plate of buckle closure 17 four on the side circular hole 17-1
Threaded hole is fixed using sunk screw；
The compact heap 19, voussoir 20 45 degree of elongated grooves be buckled together, the two is plumbness, and is arranged in bottom plate
12 corresponding four center of circular hole positions；Buckle closure 17, swivel nut 16, screw rod 15 are successively anchored to voussoir 20, compact heap 19 from top to bottom
On；I.e. voussoir 20, compact heap 19 are located in mutually perpendicular two rectangular channels of buckle closure 17；During buckle closure 17 is detained downwards,
It is observed by the peep hole 17-2 of buckle closure 17, makes the rotary table section 15-5 of screw rod 15 completely into the groove 20-1 to voussoir 20；
The key 21 is put into the keyway section 15-2 of screw rod 15, and handwheel 14 penetrates screw rod 15；
The handle 13 is screwed on handwheel 14；
The sealing plate 18 is rectangular slab, there are two hole, sealing plate 18 be screwed onto buckle closure 17 with where circular hole 17-1 on vertical plate
On the vertical end face of plane；
Four threaded holes on a convex block of the buckle closure more than 17 are corresponding with four circular hole positions of the first bottom plate 12 to use 4
Screw connection；
Preferably, the third bracket 3 includes the second bottom plate 31, block 11, handle 13, handwheel 14, screw rod 15, swivel nut
16, buckle closure 17, sealing plate 18, compact heap 19, voussoir 20, key 21；
There are 2 circular holes in second bottom plate, 31 front end, and there are 4 circular holes in rear end, and there are two the trapezoid blocks of protrusion at middle part；It is trapezoidal
Block is used for the guiding of packing case stabilizer blade；
First bracket 1 and the second bracket 2 are left and right symmetrical part, and third bracket 3 and the 4th bracket 4 are left and right symmetrical part；
The difference of first bracket 1 and the second bracket 2 is that the first bottom plate 12, buckle closure 17 are left and right symmetrical part, remaining parts
It is all the same；
The difference of third bracket 3 and bracket 4 is that the second bottom plate 31, buckle closure 17 are left and right symmetrical part, and remaining parts are homogeneous
Together；
The difference of first bracket 1 and third bracket 3 is 12 intermediate projections of the first bottom plate for rectangular block, in the second bottom plate 31
Between protrusion be trapezoid block, remaining parts are all the same.
Preferably, it is GB4141.5-1984 handle that the handle 13, which is selected,.
Preferably, the handwheel 14 selects GB 4141.22-1984 handwheel.
Preferably, the key 21 is put into the keyway section 15-2 of screw rod 15, after handwheel 14 penetrates screw rod 15, using nut,
Plain washer, spring washer are fixed.
Preferably, the chamfering is 45 ° of chamfering 19-1.
Preferably, the bracket 1 is connect with transfer car(buggy) plate using 6 screws.
(3) beneficial effect
The present invention program structure is simple, at low cost, the manufacturing cycle is short, only by 4 brackets can limit packing case front and back,
Left and right moves up and down；Bracket is screwed on transfer car(buggy) plate according to packing case location footprint relationship.By verification experimental verification, this hair
The bright quick fixation problem for solving packing case transhipment.
Detailed description of the invention
Fig. 1 is transfer car(buggy) bracket layout drawing of the invention；
Fig. 2 is bracket figure in the present invention；
Fig. 3 is compact heap, the voussoir schematic diagram in bracket in the present invention；
Fig. 4 is the cross-sectional view in the present invention at screw rod；
Fig. 5 is insole board figure of the present invention；
Fig. 6 is screw rod figure in the present invention；
Fig. 7 is swivel nut figure in the present invention；
Fig. 8 is buckle closure figure in the present invention；
Fig. 9 is compact heap figure in the present invention；
Figure 10 is voussoir figure in the present invention；
Figure 11 is bracket figure in the present invention；
Figure 12 is insole board figure of the present invention.
Specific embodiment
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to of the invention
Specific embodiment is described in further detail.
As shown in Figure 1, a kind of transfer car(buggy) bracket provided by the invention by the first bracket 1, the second bracket 2, third bracket 3,
4th bracket 4 composition；Four brackets are screwed on transfer car(buggy) plate respectively according to packing case stabilizer blade corresponding position relationship.
Four brackets are used to limit the front and rear, left and right of unmanned plane packing case, move up and down.
As shown in Figure 2, Figure 3, Figure 4, the first bracket 1 includes block 11, the first bottom plate 12, handle 13, handwheel 14, screw rod
15, swivel nut 16, buckle closure 17, sealing plate 18, compact heap 19, voussoir 20, key 21；
As shown in figure 5, there are 2 circular holes in 12 one end of the first bottom plate, the other end has 4 circular holes, and there are two the squares of protrusion at middle part
Shape block；
As shown in fig. 6, screw rod 15 is from left to right followed successively by the first thread segment 15-1, keyway section 15-2, the second thread segment 15-
3, the first cylindrical section 15-4 and rotary table section 15-5；
As shown in fig. 7, swivel nut 16 is followed successively by flange 16-1, escape 16-2, the second cylindrical section 16-3 from top to bottom；Swivel nut
16 centers have elongated threaded hole；
As shown in figure 8, buckle closure 17 includes L shape bottom surface, bottom surface side has vertical plate, and vertical plate is equipped with circular hole 17-1, bottom surface
Equipped with peep hole 17-2, it is additionally provided with multiple convex blocks in bottom edge, forms the first rectangular channel between the multiple convex block and bottom surface
17-3, the second rectangular channel 17-4, the first rectangular channel 17-3 is vertical with the second rectangular channel 17-4, and the first rectangular channel 17-3 and vertical plate
Plane where upper circular hole 17-1 is vertical；Multiple threaded holes are additionally provided on the multiple convex block；
As shown in figure 9, there are 45 ° of chamfering 19-1 in 19 front end of compact heap, there are 45 ° of elongated groove 19-2 in rear end；
As shown in Figure 10, the fluted 20-1 in 20 left end of voussoir, right end have 45 ° of elongated groove 20-2.
As shown in Figure 2, Figure 3, Figure 4, each assembling parts relationship is as follows in bracket 1:
11 shape of block is rectangular block, and there are two counter sinks at top；Block 11 and 12 front end of the first bottom plate use 2 screws
Connection；
It is GB4141.5-1984 handle that handle 13, which is selected, and handwheel 14 selects GB 4141.22-1984 handwheel；
Second thread segment 15-3 of screw rod 15 is screwed in swivel nut 16, the second cylindrical section 16-3 insertion buckle closure 17 of swivel nut 16
On vertical plate in circular hole 17-1, it is heavy that the flange 16-1 of swivel nut 16 is used with four threaded holes on the side circular hole 17-1 on the vertical plate of buckle closure 17
Head screw is fixed；
According to shown in Fig. 3, Fig. 4, compact heap 19, voussoir 20 45 degree of elongated grooves be buckled together, the two is plumbness,
And it is arranged on 12 corresponding position of bottom plate (four center of circular hole positions)；Buckle closure 17, swivel nut 16, screw rod 15, from top to bottom successively
It is anchored to voussoir 20, on compact heap 19；I.e. voussoir 20, compact heap 19 are located in mutually perpendicular two rectangular channels of buckle closure 17；Button
Lid 17 during button, is observed downwards by the peep hole 17-2 of buckle closure 17, makes the rotary table section 15-5 of screw rod 15 completely into arriving
In the groove 20-1 of voussoir 20；
Key 21 is put into the keyway section 15-2 of screw rod 15, and handwheel 14 penetrates screw rod 15, uses nut, plain washer, spring pad
Circle is fixed；
Handle 13 is screwed on handwheel 14；
Sealing plate 18 is rectangular slab, there are two hole, sealing plate 18 be screwed onto buckle closure 17 with plane where circular hole 17-1 on vertical plate
On vertical end face (side of two of them convex block)；
Four threaded holes on a convex block of buckle closure more than 17 are corresponding with four circular hole positions of the first bottom plate 12 to use 4 screws
Connection；
So far, bracket 1 is by rotation hand wheel 14 clockwise or counterclockwise, advanced by screw rod 15 with dynamic voussoir 20 or
It retreats, to drive compact heap 19 to stretch out or retract from buckle closure 17, achievees the purpose that locking or unlock packing case stabilizer blade.
Bracket 1 is connect with 6 screws of transfer car(buggy) plate carried using bracket 1.
As shown in Figure 11, Figure 12, third bracket 3 include the second bottom plate 31, block 11, handle 13, handwheel 14, screw rod 15,
Swivel nut 16, buckle closure 17, sealing plate 18, compact heap 19, voussoir 20, key 21；
As shown in figure 12, there are 2 circular holes in 31 front end of the second bottom plate, and there are 4 circular holes in rear end, and it is trapezoidal that there are two protrusion at middle part
Block；Trapezoid block is used for the guiding of packing case stabilizer blade.
As shown in Figure 1:
First bracket 1 and the second bracket 2 are left and right symmetrical part, and third bracket 3 and the 4th bracket 4 are left and right symmetrical part.
The difference of first bracket 1 and the second bracket 2 is that the first bottom plate 12, buckle closure 17 are left and right symmetrical part, remaining parts
It is all the same；
The difference of third bracket 3 and bracket 4 is that the second bottom plate 31, buckle closure 17 are left and right symmetrical part, and remaining parts are homogeneous
Together；
The difference of first bracket 1 and third bracket 3 is 12 intermediate projections of the first bottom plate for rectangular block, in the second bottom plate 31
Between protrusion be trapezoid block, remaining parts are all the same.
Working principle
Four brackets are used to limit the front and rear, left and right of unmanned plane packing case, move up and down.
First bracket 1 passes through screw rod band dynamic voussoir 20, compact heap 19 by rotation hand wheel 14 clockwise or counterclockwise
It stretches out or retracts in buckle closure 17, reach locking or unlock packing case stabilizer blade.It is rotationally clockwise locking, counterclockwise turns
It moves as unlock.When locking or unlock packing case stabilizer blade, four brackets are worked together.
The course of work
When support and short distance transhipment packing case:
Packing case transfer car(buggy) is moved to designated position；
The handwheel 14 for rotating counterclockwise four brackets retracts buckle closure 17 by screw rod band dynamic voussoir 20, compact heap 19
In, it is ready for packing case lifting；
Packing case is lifted into right above four brackets of transfer car(buggy)；
Slowly put down packing case, raised trapezoid block guides packing case stabilizer blade on third bracket 3,4 insole board of the 4th bracket
It puts down；Until 4 stabilizer blades of packing case are entirely fallen on the bottom plate of four brackets；
It is rotated clockwise the handwheel 14 of four brackets, through screw rod band dynamic voussoir 20, compact heap 19 from buckle closure 17
It stretches out, 45 degree of angles of 19 front end of compact heap and packing case stabilizer blade compress, and complete the locking work of packing case stabilizer blade.
So far, four bracket supporting packing cases, and by the left and right of 4 stabilizer blades of packing case, front and back, move up and down and limit,
I.e. packing case is in locking state；
After packing case locking, has transhipment state.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of transfer car(buggy) bracket, which is characterized in that including the first bracket (1), the second bracket (2), third bracket (3), the 4th
Bracket (4)；Four brackets are screwed on transfer car(buggy) plate respectively according to packing case stabilizer blade corresponding position relationship；Four brackets are used
Front and rear, left and right, up and down motion in limitation unmanned plane packing case.
2. transfer car(buggy) bracket as described in claim 1, which is characterized in that first bracket (1) includes block (11), first
Bottom plate (12), handle (13), handwheel (14), screw rod (15), swivel nut (16), buckle closure (17), sealing plate (18), compact heap (19), wedge
Block (20), key (21)；
There are 2 circular holes in described first bottom plate (12) one end, and the other end has 4 circular holes, and there are two the rectangular blocks of protrusion at middle part；
The screw rod (15) be from left to right followed successively by the first thread segment (15-1), keyway section (15-2), the second thread segment (15-3),
First cylindrical section (15-4) and rotary table section (15-5)；
The swivel nut (16) is followed successively by flange (16-1) from top to bottom, escape (16-2), the second cylindrical section (16-3)；Swivel nut
(16) center has elongated threaded hole；
The buckle closure (17) includes L shape bottom surface, and bottom surface side has vertical plate, and vertical plate is equipped with circular hole (17-1), and bottom surface, which is equipped with, to be seen
It examines hole (17-2), multiple convex blocks is additionally provided in bottom edge, form the first rectangular channel (17- between the multiple convex block and bottom surface
3), the second rectangular channel (17-4), the first rectangular channel (17-3) is vertical with the second rectangular channel (17-4), and the first rectangular channel (17-3)
It is vertical with plane where circular hole on vertical plate (17-1)；Multiple threaded holes are additionally provided on the multiple convex block；
There is chamfering in compact heap (19) front end, and rear end has elongated groove (19-2)；
Voussoir (20) left end is fluted (20-1), and right end has elongated groove (20-2)；
Block (11) shape is rectangular block, and there are two counter sinks at top；Block (11) and the first bottom plate (12) front end use 2
The connection of screw；
The second thread segment (15-3) of the screw rod (15) screws in the threaded hole of swivel nut (16), the second cylindrical section of swivel nut (16)
(16-3) is inserted on the vertical plate of buckle closure (17) in circular hole (17-1), on the flange (16-1) of swivel nut (16) and the vertical plate of buckle closure (17)
Four threaded holes are fixed using sunk screw on the side circular hole (17-1)；
The compact heap (19), voussoir (20) 45 degree of elongated grooves be buckled together, the two is plumbness, and is arranged in bottom plate
(12) corresponding four center of circular hole positions；Buckle closure (17), swivel nut (16), screw rod (15), are successively anchored to voussoir from top to bottom
(20), on compact heap (19)；I.e. voussoir (20), compact heap (19) are located in mutually perpendicular two rectangular channels of buckle closure (17)；
Buckle closure (17) during button, is observed by the peep hole (17-2) of buckle closure (17) downwards, makes the rotary table section (15- of screw rod (15)
5) completely into the groove (20-1) of voussoir (20)；
The key (21) is put into the keyway section (15-2) of screw rod (15), and handwheel (14) penetrates screw rod (15)；
The handle (13) is screwed on handwheel (14)；
The sealing plate (18) is rectangular slab, there are two hole, sealing plate (18) be screwed onto buckle closure (17) with circular hole on vertical plate (17-1)
On the vertical end face of place plane；
Four threaded holes on the multiple convex blocks of the buckle closure (17) are corresponding with four circular hole positions of the first bottom plate (12) to use 4
Screw connection.
3. transfer car(buggy) bracket as claimed in claim 2, which is characterized in that the third bracket (3) include the second bottom plate (31),
Block (11), handle (13), handwheel (14), screw rod (15), swivel nut (16), buckle closure (17), sealing plate (18), compact heap (19), wedge
Block (20) and key (21)；
There are 2 circular holes in second bottom plate (31) front end, and there are 4 circular holes in rear end, and there are two the trapezoid blocks of protrusion at middle part；Trapezoid block
Guiding for packing case stabilizer blade；
First bracket (1) and the second bracket (2) are left and right symmetrical part, and third bracket (3) and the 4th bracket (4) are bilateral symmetry
Part；
The difference of first bracket (1) and the second bracket (2) is that the first bottom plate (12), buckle closure (17) they are left and right symmetrical part, remaining
Part is all the same；
The difference of third bracket (3) and bracket (4) is that the second bottom plate (31), buckle closure (17) are left and right symmetrical part, remaining parts
It is all the same；
The difference of first bracket (1) and third bracket (3) is that the first bottom plate (12) intermediate projections are rectangular block, the second bottom plate
(31) intermediate projections are trapezoid block, and remaining parts are all the same.
4. transfer car(buggy) bracket as claimed in claim 2, which is characterized in that it is GB4141.5-1984 that the handle (13), which is selected,
Handle.
5. transfer car(buggy) bracket as claimed in claim 2, which is characterized in that the handwheel (14) selects GB 4141.22-1984
Handwheel.
6. transfer car(buggy) bracket as claimed in claim 2, which is characterized in that the key (21) is put into the keyway section of screw rod (15)
In (15-2), after handwheel (14) penetrates screw rod (15), fixed using nut, plain washer, spring washer.
7. transfer car(buggy) bracket as claimed in claim 2, which is characterized in that the chamfering is 45 ° of chamferings (19-1).
8. the transfer car(buggy) bracket as described in any one of claim 2 to 7, which is characterized in that the bracket (1) and transfer car(buggy) are flat
Plate is connected using 6 screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383004.7A CN109649254B (en) | 2018-11-20 | 2018-11-20 | Transfer car (buggy) bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811383004.7A CN109649254B (en) | 2018-11-20 | 2018-11-20 | Transfer car (buggy) bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109649254A true CN109649254A (en) | 2019-04-19 |
| CN109649254B CN109649254B (en) | 2020-12-08 |
Family
ID=66111433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811383004.7A Active CN109649254B (en) | 2018-11-20 | 2018-11-20 | Transfer car (buggy) bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109649254B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422109A (en) * | 2019-07-25 | 2019-11-08 | 北京特种机械研究所 | A kind of packing case fixed mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1916493A1 (en) * | 1968-04-16 | 1969-12-11 | Olsen Torger Rovig | Device for fastening pallet feet to a pallet platform or directly to a container base and loading pallet with such foot fastening devices |
| CN2552025Y (en) * | 2002-04-03 | 2003-05-21 | 力捷电脑(中国)有限公司 | Scanner lens focusing tool |
| CN202186320U (en) * | 2011-07-08 | 2012-04-11 | 北京特种机械研究所 | Unmanned machine packing case transportation locking mechanism |
| CN103624601A (en) * | 2013-11-08 | 2014-03-12 | 吴中区木渎蒯斌模具加工厂 | Height micro-adjusting device for pneumatic type fast outline correction clamp |
| CN106500545A (en) * | 2016-10-26 | 2017-03-15 | 北京特种机械研究所 | Firing box retaining mechanism |
| CN106494299A (en) * | 2016-10-26 | 2017-03-15 | 北京特种机械研究所 | Packing cratess locking mechanism |
-
2018
- 2018-11-20 CN CN201811383004.7A patent/CN109649254B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1916493A1 (en) * | 1968-04-16 | 1969-12-11 | Olsen Torger Rovig | Device for fastening pallet feet to a pallet platform or directly to a container base and loading pallet with such foot fastening devices |
| CN2552025Y (en) * | 2002-04-03 | 2003-05-21 | 力捷电脑(中国)有限公司 | Scanner lens focusing tool |
| CN202186320U (en) * | 2011-07-08 | 2012-04-11 | 北京特种机械研究所 | Unmanned machine packing case transportation locking mechanism |
| CN103624601A (en) * | 2013-11-08 | 2014-03-12 | 吴中区木渎蒯斌模具加工厂 | Height micro-adjusting device for pneumatic type fast outline correction clamp |
| CN106500545A (en) * | 2016-10-26 | 2017-03-15 | 北京特种机械研究所 | Firing box retaining mechanism |
| CN106494299A (en) * | 2016-10-26 | 2017-03-15 | 北京特种机械研究所 | Packing cratess locking mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422109A (en) * | 2019-07-25 | 2019-11-08 | 北京特种机械研究所 | A kind of packing case fixed mechanism |
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| Publication number | Publication date |
|---|---|
| CN109649254B (en) | 2020-12-08 |
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