CN105805123A - Module frame structure connected through conical nuts - Google Patents
Module frame structure connected through conical nuts Download PDFInfo
- Publication number
- CN105805123A CN105805123A CN201610260357.2A CN201610260357A CN105805123A CN 105805123 A CN105805123 A CN 105805123A CN 201610260357 A CN201610260357 A CN 201610260357A CN 105805123 A CN105805123 A CN 105805123A
- Authority
- CN
- China
- Prior art keywords
- connector
- joint
- direct
- tapered cup
- frame structure
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 2
- 238000005476 soldering Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/021—T- or cross-pieces
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to a module frame structure connected through conical nuts. The module frame structure comprises square pipes and connecting pieces. The connecting pieces comprise T-shaped joints, straight joint and three-way joints. The square pipes and the connecting pieces are fixed through bolt connection. Conical bolts are adopted. Each conical bolt comprises a threaded rod and the conical nuts. The contour of each conical nut is of a conical structure. Conical connecting ends matched with the conical nuts in structure are arranged at the junctions between the upper ends and the lower ends of connecting holes and the conical nuts. Self-locking structures are formed by the conical nuts and the conical connecting ends. Two arc-shaped grooves are symmetrically formed in the upper surface of each conical nut. The module frame structure is connected through the conical nuts which are superior to a hollow square pipe welding structure, and the connection reliability is improved; in addition, self-locking is achieved in the process that the bottom ends of the conical nuts are screwed, the conical nuts can be completely sunken into the connecting holes, and the effect that the junctions of the square pipes and the connecting pieces are flush is guaranteed; and the positions of the connecting pieces are arranged flexibly, and the requirements of high-speed trains for high strength and high reliability of a power module frame structure are met.
Description
Technical field
The present invention relates to a kind of frame structure, specifically, relate to the module frame structure that a kind of tapered cup nut connects.
Background technology
Field of track traffic power model is a kind of by electric parts such as IGBT pipe, diode, Support Capacitor, current sensor, controller, driving plates with electric parts plays the framework of fixation or installing plate forms, and realizes the integrated of power model certain electric airway dysfunction by framework or installing plate.
Existing power model framework is generally adopted the following two kinds connected mode: 1) square tubes soldering mode；2) bolt connecting mode.The shortcoming of square tubes soldering mode is: welding deformation is relatively big, and weld strength is low, and traditional square tubes soldering framework can not meet the field of track traffic requirement to train operation rapidity and safety；Bolt connects can avoid deformation and strength problem, but after usually requiring that connection connects, need to flush with surface of the work or slightly below surface of the work, and existing bolt arrangement can not meet above-mentioned requirements；Therefore it is badly in need of designing a kind of power model framework being specially adapted for high-speed cruising and possessing high reliability.
Summary of the invention
It is an object of the invention to provide the module frame structure that a kind of tapered cup nut connects, it is ensured that square tube flushes with connector junction and is connected reliable.
The technical scheme is that the module frame structure that a kind of tapered cup nut connects, this frame structure includes square tube and connector, and connector is arranged at adjacent square tube connecting portion, and square tube adopts hollow square tube, connector adopts entity joint, and connector includes T connector, straight joint and three way cock；Square tube is fixing all with bolts with connector, bolt adopts taper bolt, taper bolt includes screw rod and tapered cup nut, tapered cup nut outline adopts pyramidal structure, the upper and lower two ends of connecting hole adopt the taper connection end with tapered cup nut respective outer side edges with tapered cup nut junction, tapered cup nut constitutes self-locking structure with taper connection end, and the upper surface of tapered cup nut is provided with 2 arc grooves being arranged symmetrically with.
Preferably, described T connector includes intermediate connector, left joint, right connector and top connection, left joint and right connector are horizontally distributed in the left and right sides of intermediate connector, top connection is installed vertically on intermediate connector top, and left joint, right connector and top connection are equipped with through connecting hole, connecting hole is connected with taper bolt.
For improving T connector and square tube connection reliability and accuracy, the junction of described left joint, right connector and top connection and intermediate connector is provided with edge, T connector location, T connector location along concrete structure is: left joint, right connector and top connection and intermediate connector link external diameter are less than the sidewall external diameter of intermediate connector, and intermediate connector is consistent with the bore of the sidewall external diameter that left joint, right connector and top connection connect Yu square tube to be connected.
For realizing and being reliably connected of straight joint, described T connector sidewall is provided with two vertical grooves being arranged in parallel, and arranges T connector through hole between two vertical grooves, and vertical groove and T connector through hole are for being connected with straight joint.
Preferably, straight joint includes direct-connected joint chair and direct-connected joint, direct-connected joint chair is fixing with direct-connected joint to be connected, the connecting hole that direct-connected joint is provided with through, direct-connected joint chair is provided with two vertical projections being arranged in parallel, vertical projections and the vertical fit depressions of T connector away from direct-connected joint one end, arranges straight joint through hole between two vertical projections, screw bolt passes T connector through hole and straight joint through hole, be fixed on T connector sidewall by straight joint.
For improving straight joint and square tube connection reliability and accuracy, the junction of described direct-connected joint chair and direct-connected joint is provided with edge, direct-connected joint location, the concrete structure on edge, direct-connected joint location is: direct-connected joint and direct-connected joint chair link external diameter are less than direct-connected joint chair sidewall external diameter, and direct-connected joint chair sidewall external diameter is consistent with the bore of square tube to be connected.
The installation site of straight joint and T connector includes two kinds altogether, and described straight joint is installed on the sidewall of T connector, and straight joint and left joint and right connector are in same level, and straight joint is vertical with top connection；Described straight joint is installed on the sidewall of T connector, and straight joint and left joint and right connector are in same level, and straight joint and top connection are positioned at same vertical plane.
Preferably, described three way cock includes threeway connector and angle joint, and threeway connector is provided with the fittings body of three dimensional arrangement, and each end fitting body front end of threeway connector is respectively mounted an angle joint, the connecting hole that angle joint and square tube junction are provided with through.
For improving three way cock and square tube connection reliability and accuracy, the junction of described threeway connector and angle joint is provided with edge, angle joint location, the concrete structure on edge, angle joint location is: the external diameter of angle joint and threeway connector link is less than threeway connector external diameter, and threeway connector external diameter is consistent with square tube bore to be connected.
The present invention having the beneficial effect that compared with prior art
1) frame structure connector of the present invention adopts entity joint, connector adopts taper bolt to be connected with square tube, it is better than hollow square tubes soldering structure, improve connection reliability, and there is self-locking with rundown process in tapered cup nut bottom, tapered cup nut can sink to inside connecting hole completely, it is ensured that square tube flushes with connector junction；
2) connector of the present invention includes T connector, straight joint and three way cock, it may be achieved with the connection of T-shaped square tube and three-dimensional spatial arrangement square tube, and T connector can constitute four-way connection with straight joint, it is achieved the connection of four direction square tube is fixed；Connector is provided with joint location along positioning square tube, it is achieved the seamless link of connector and square tube；
3) frame structure of the present invention, can according to frame structure requirement, the position of connector is set flexibly, different frame structures is constituted from square tube combination, guarantee that square tube and connector junction have higher reliability and bonding strength, meet the bullet train requirement to power model frame structure high intensity and high reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is T connector structural representation；
Fig. 3 is straight joint structural representation；
Fig. 4 is three way cock's structural representation；
Fig. 5 is taper bolt structural representation；
Fig. 6 is taper bolt scheme of installation.
In figure, square tube 1；T connector 2；Straight joint 3；Three way cock 4；Connecting hole 5；Joint connecting hole 6；Taper bolt 7；
Intermediate connector 21；Left joint 22；Right connector 23；Top connection 24；Vertical groove 25；T connector through hole 26；T connector positions along 27；
Direct-connected joint chair 31；Direct-connected joint 32；Vertical projections 33；Straight joint through hole 34；Direct-connected joint positions along 35；
Threeway connector 41；Angle joint 42；Angle joint positions along 43；
Screw rod 71；Tapered cup nut 72；Arc groove 73.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
Embodiment 1
The module frame structure that a kind of tapered cup nut of disclosure connects, referring to Fig. 1, this frame structure includes square tube 1 and connector, connector is arranged at adjacent square tube 1 connecting portion, square tube 1 adopts hollow square tube, connector adopts entity joint, and connector includes T connector 2, straight joint 3 and three way cock 4.
Referring to Fig. 2, T connector 2 includes intermediate connector 21, left joint 22, right connector 23 and top connection 24, left joint 22 and right connector 23 are horizontally distributed in the left and right sides of intermediate connector 21, top connection 24 is installed vertically on intermediate connector 21 top, and left joint 22, right connector 23 and top connection 24 are equipped with through connecting hole 5, left joint 22, right connector 23 and top connection 24 are inserted respectively in corresponding square tube 1, adopt the connecting hole 5 of screw bolt passes square tube 1 and joint, square tube 1 and T connector 2 are fixed.
T connector 2 sidewall is provided with two vertical grooves 25 being arranged in parallel, and arranges T connector through hole 26 between two vertical grooves 25, and vertical groove 25 and T connector through hole 26 are for being connected with straight joint 3.
It is connected location with T connector 2 for ease of square tube 1, left joint 22, the junction of right connector 23 and top connection 24 and intermediate connector 21 is provided with T connector and positions along 27, T connector location along 27 concrete structures is: left joint 22, right connector 23 and top connection 24 and the intermediate connector 21 link external diameter sidewall external diameter less than intermediate connector 21, intermediate connector 21 and left joint 22, right connector 23 is consistent with the bore of square tube 1 to be connected with the sidewall external diameter that top connection 24 connects, square tube 1 is inserted into left joint 22, after right connector 23 and top connection 24, square tube 1 outer surface flushes with intermediate connector 21 outer surface, realize the seamless link of T connector 2 and square tube 1.
Referring to Fig. 3, straight joint 3 includes direct-connected joint chair 31 and direct-connected joint 32, the connecting hole 5 that direct-connected joint 32 is provided with through, and adopts the connecting hole 5 of screw bolt passes square tube 1 and straight joint 3, square tube 1 and straight joint 3 is fixed.Direct-connected joint chair 31 is fixing with direct-connected joint 32 to be connected, direct-connected joint chair 31 is provided with two vertical projections being arranged in parallel 33 away from direct-connected joint 32 one end, vertical projections 33 matches with the vertical groove 25 of T connector, article two, straight joint through hole 34 is set between vertical projections 33, screw bolt passes T connector through hole 26 and straight joint through hole 34, straight joint 3 is fixed on T connector 2 sidewall, and namely T connector 2 and straight joint 3 constitute four-way connection, it is achieved the connection of four direction square tube is fixed.
The junction of direct-connected joint chair 31 and direct-connected joint 32 is provided with direct-connected joint and positions along 35, direct-connected joint location along the concrete structure of 35 is: direct-connected joint 32 and direct-connected joint chair 31 link external diameter are less than direct-connected joint chair 31 sidewall external diameter, direct-connected joint chair 31 sidewall external diameter is consistent with the bore of square tube 1 to be connected, after square tube 1 is inserted into direct-connected joint 32, square tube 1 outer surface flushes with direct-connected joint chair 31 outer surface, it is achieved the seamless link of straight joint 3 and square tube 1.
In the present embodiment, the position relationship of straight joint 3 and T connector 2 is two kinds, and the first connected mode is: straight joint 3 is installed on the sidewall of T connector 2, and straight joint 3 is in same level with left joint 22 and right connector 23, and straight joint 3 is vertical with top connection 24.The second connected mode is: straight joint 3 is installed on the sidewall of T connector 2, and straight joint 3 is in same level with left joint 22 and right connector 23, and straight joint 3 and top connection 24 are positioned at same vertical plane.Above two connected mode all can realize the square tube of four direction and connect fixing.
Referring to Fig. 4, three way cock 4 includes threeway connector 41 and angle joint 42.Threeway connector 41 is provided with the fittings body of three dimensional arrangement, and fittings body front end is connected with angle joint 42, and namely each end fitting body front end of threeway connector is respectively mounted an angle joint 42.The connecting hole 5 that angle joint 42 and square tube 1 junction are provided with through, adopts screw bolt passes square tube 1, connecting hole 5 and angle joint 42, square tube 1 is fixed with three way cock 4.
The junction of threeway connector 41 and angle joint 42 is provided with angle joint and positions along 43, angle joint location along the concrete structure of 43 is: the external diameter of angle joint 42 and threeway connector 41 link is less than threeway connector 41 external diameter, threeway connector 41 external diameter is consistent with square tube 1 bore to be connected, after square tube 1 is inserted into corner connection 42, square tube 1 outer surface flushes with threeway connector 41 outer surface, it is achieved the seamless link of three way cock 4 and square tube 1.
In the present embodiment, the sidewall of T connector 2, straight joint 3 and three way cock 4 is respectively provided with joint connecting hole 6, this frame structure and other equipment is fixed by joint connecting hole 6.
In the present embodiment, square tube 1 is fixing all with bolts with connector, namely adopts bolt through square tube 1 and the connecting hole 5 on connector, by square tube and connector fastening, finally constitutes module frame structure.Effect is flushed for realizing junction, bolt in the present embodiment adopts taper bolt, taper bolt structure is as shown in Figure 5 and Figure 6, taper bolt 7 includes screw rod 71 and tapered cup nut 72, tapered cup nut 72 adopts pyramidal structure, tapered cup nut 72 outline has the tapering of 60 °, and tapered cup nut 72 central authorities are provided with screw vent, and screw vent matches with screw rod 71.The upper surface of tapered cup nut 72 is provided with 2 arc grooves being arranged symmetrically with 73, uses dismantling device, clamps arc groove 73, taper bolt 7 is dismounted.
For realizing the tight type that taper bolt 7 is connected with connecting hole 5, connecting hole about 5 two ends adopt the taper connection end with tapered cup nut respective outer side edges with tapered cup nut 72 junction, when tapered cup nut 72 is connected with the taper connection end of connecting hole 5, owing to tapered cup nut 72 has certain tapering, in the process tightening tapered cup nut 72, there is self-locking with rundown process in tapered cup nut 72 bottom, it is internal that tapered cup nut 72 sinks to connecting hole 5 completely, tapered cup nut 72 top end surface flushes with square tube 1 surface, it is achieved tapered cup nut 72 two ends flush effect.
This frame structure assembling process is:
Referring to Fig. 1, being connected with square tube by connector, connecting concrete mode is:
T connector 2 is installed on the A portion in Fig. 1, it is achieved the square tube 1 in T-shaped direction connects；Straight joint 3 and T connector 2 are combined, is installed on the B portion in Fig. 1, constitute four-way connection, it is achieved the connection of four direction square tube is fixed；Three way cock 4 is installed on the C portion in Fig. 1, it is achieved the square tube 1 of three-dimensional connects.When connector 5 is connected with square tube 1, square tube 1 is inserted in connector 5, and the installing hole of square tube 1 is alignd with the connecting hole of connector 5, taper bolt 7 is adopted to be sequentially inserted into the connecting hole of square tube installing hole and connector, using the arc groove 73 of dismantling device clamping taper bolt upper surface, tighten taper bolt 7, tapered cup nut 72 bottom is with rundown process self-locking, it is internal that tapered cup nut 72 sinks to connecting hole 5 completely, it is ensured that square tube 1 flushes with connector 5 junction.
Claims (10)
1. the module frame structure that a tapered cup nut connects, it is characterized in that: this frame structure includes square tube and connector, connector is arranged at adjacent square tube connecting portion, and square tube adopts hollow square tube, connector adopts entity joint, and connector includes T connector, straight joint and three way cock；Square tube is fixing all with bolts with connector, bolt adopts taper bolt, taper bolt includes screw rod and tapered cup nut, tapered cup nut outline adopts pyramidal structure, the upper and lower two ends of connecting hole adopt the taper connection end with tapered cup nut respective outer side edges with tapered cup nut junction, tapered cup nut constitutes self-locking structure with taper connection end, and the upper surface of tapered cup nut is provided with 2 arc grooves being arranged symmetrically with.
2. the module frame structure that tapered cup nut according to claim 1 connects, it is characterized in that: described T connector includes intermediate connector, left joint, right connector and top connection, left joint and right connector are horizontally distributed in the left and right sides of intermediate connector, top connection is installed vertically on intermediate connector top, and left joint, right connector and top connection are equipped with through connecting hole, connecting hole is connected with taper bolt.
3. the module frame structure that tapered cup nut according to claim 2 connects, it is characterized in that: the junction of described left joint, right connector and top connection and intermediate connector is provided with edge, T connector location, T connector location along concrete structure is: left joint, right connector and top connection and intermediate connector link external diameter are less than the sidewall external diameter of intermediate connector, and intermediate connector is consistent with the bore of the sidewall external diameter that left joint, right connector and top connection connect Yu square tube to be connected.
4. the module frame structure that tapered cup nut according to claim 1 connects, it is characterized in that: described T connector sidewall is provided with two vertical grooves being arranged in parallel, article two, arranging T connector through hole between vertical groove, vertical groove and T connector through hole are for being connected with straight joint.
5. the module frame structure that tapered cup nut according to claim 4 connects, it is characterized in that: straight joint includes direct-connected joint chair and direct-connected joint, direct-connected joint chair is fixing with direct-connected joint to be connected, the connecting hole that direct-connected joint is provided with through, direct-connected joint chair is provided with two vertical projections being arranged in parallel away from direct-connected joint one end, the vertical fit depressions of vertical projections and T connector, article two, straight joint through hole is set between vertical projections, screw bolt passes T connector through hole and straight joint through hole, be fixed on T connector sidewall by straight joint.
6. the module frame structure that tapered cup nut according to claim 1 connects, it is characterized in that: the junction of described direct-connected joint chair and direct-connected joint is provided with edge, direct-connected joint location, the concrete structure on edge, direct-connected joint location is: direct-connected joint and direct-connected joint chair link external diameter are less than direct-connected joint chair sidewall external diameter, and direct-connected joint chair sidewall external diameter is consistent with the bore of square tube to be connected.
7. the module frame structure that tapered cup nut according to claim 2 connects, it is characterised in that: described straight joint is installed on the sidewall of T connector, and straight joint and left joint and right connector are in same level, and straight joint is vertical with top connection.
8. the module frame structure that tapered cup nut according to claim 2 connects, it is characterised in that: described straight joint is installed on the sidewall of T connector, and straight joint is in same level, straight joint and top connection with left joint and right connector and is positioned at same vertical plane.
9. the module frame structure that tapered cup nut according to claim 1 connects, it is characterized in that: described three way cock includes threeway connector and angle joint, threeway connector is provided with the fittings body of three dimensional arrangement, each end fitting body front end of threeway connector is respectively mounted an angle joint, the connecting hole that angle joint and square tube junction are provided with through.
10. the module frame structure that tapered cup nut according to claim 1 connects, it is characterized in that: the junction of described threeway connector and angle joint is provided with edge, angle joint location, the concrete structure on edge, angle joint location is: the external diameter of angle joint and threeway connector link is less than threeway connector external diameter, and threeway connector external diameter is consistent with square tube bore to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610260357.2A CN105805123B (en) | 2016-04-25 | 2016-04-25 | The module frame structure of tapered cup nut connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610260357.2A CN105805123B (en) | 2016-04-25 | 2016-04-25 | The module frame structure of tapered cup nut connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105805123A true CN105805123A (en) | 2016-07-27 |
| CN105805123B CN105805123B (en) | 2017-10-20 |
Family
ID=56458496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610260357.2A Active CN105805123B (en) | 2016-04-25 | 2016-04-25 | The module frame structure of tapered cup nut connection |
Country Status (1)
| Country | Link |
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| CN (1) | CN105805123B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107572A (en) * | 2019-06-13 | 2019-08-09 | 广东法迪奥厨卫科技有限公司 | A kind of plate frame structural couplings |
| CN112676594A (en) * | 2020-12-24 | 2021-04-20 | 徐州捷图机械有限公司 | Conical nut for chuck |
| CN113389782A (en) * | 2021-07-21 | 2021-09-14 | 清华大学苏州汽车研究院（吴江） | Square pipe connecting structure |
| CN114538213A (en) * | 2022-02-18 | 2022-05-27 | 合肥瀚翔智能科技有限公司 | Cable winding and unwinding winch |
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| CN104563913A (en) * | 2015-01-12 | 2015-04-29 | 上海振华重工(集团)股份有限公司 | Casing tensioner platform frame and external member thereof |
| CN204349819U (en) * | 2015-01-30 | 2015-05-20 | 南车株洲电力机车研究所有限公司 | A kind of simple and easy close-coupled power module device |
| CN105283609A (en) * | 2013-02-22 | 2016-01-27 | 维克托布洛克公司 | Modular building units, and methods of constructing and transporting same |
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| CN1615767A (en) * | 2003-11-13 | 2005-05-18 | 国誉株式会社 | Nut retaining apparatus and nut holder |
| JP2006283802A (en) * | 2005-03-31 | 2006-10-19 | Uchiyama Shokai:Kk | Connection assembly of aluminum joint and aluminum square pipe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110107572A (en) * | 2019-06-13 | 2019-08-09 | 广东法迪奥厨卫科技有限公司 | A kind of plate frame structural couplings |
| CN112676594A (en) * | 2020-12-24 | 2021-04-20 | 徐州捷图机械有限公司 | Conical nut for chuck |
| CN113389782A (en) * | 2021-07-21 | 2021-09-14 | 清华大学苏州汽车研究院（吴江） | Square pipe connecting structure |
| CN114538213A (en) * | 2022-02-18 | 2022-05-27 | 合肥瀚翔智能科技有限公司 | Cable winding and unwinding winch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105805123B (en) | 2017-10-20 |
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