CN103538433A - Trailer traction and connection device - Google Patents
Trailer traction and connection device Download PDFInfo
- Publication number
- CN103538433A CN103538433A CN201310494240.7A CN201310494240A CN103538433A CN 103538433 A CN103538433 A CN 103538433A CN 201310494240 A CN201310494240 A CN 201310494240A CN 103538433 A CN103538433 A CN 103538433A
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- trailer
- joint
- bar
- housing
- draw bar
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Abstract
The invention relates to the field of vehicle engineering equipment, in particular to a trailer traction and connection device. The trailer traction and connection device is composed of a trailer head connector, a traction rod joint, a tension regulator, a traction rod, a buffer spring, a trailer connector, a joint pin shaft, a tension rod bolt and a traction rod bolt. Pin shaft holes in the trailer head connector and side-plate pin holes in the traction rod joint are fittingly mounted and hinged through the joint pin shaft; bolt holes in the traction rod joint are hinged to bolt holes in the tension regulator the tension rod bolt; a joint of a traction rod is mounted in a duckbilled structure of the traction rod joint; the buffer spring is sleeved on a shaft rod of the traction rod; a rod head of the traction rod is fittingly mounted with a traction-rod mounting shaft barrel of the trailer connector and locked through a nut. The trailer traction and connection device has the advantages that safety of the traction rod in the process of operation is effectively guaranteed, and loss caused by breakage of the traction rod is avoided, so that production efficiency is improved.
Description
Technical field
The present invention relates to Vehicle Engineering apparatus field, relate in particular to a kind of trailer traction connecting device.
Background technology
The present invention is mainly the improvement of making for a kind of coupling hitch of electrolytic aluminium anode core trailer.Electrolytic aluminium anode core trailer traction device originally mainly comprises that headstock adaptor union, draw bar and trailer connector three parts form.Because the trailer after load-carrying is overweight, in roping process, occur anxious when stopping or the situation such as turning round because shearing force is excessive, so be easy to cause draw bar fracture, manufacturing schedule brought to great impact, and has virtually improved productive costs.
Summary of the invention
The object of trailer traction connecting device of the present invention is in order to solve the easily problem of fracture of draw bar, a kind of new trailer traction device to be provided, in trailer roping process can anxious when stopping or the situation such as turning round by buffer protection draw bar.
To achieve these goals, trailer traction connecting device of the present invention is comprised of headstock adaptor union, hitch head, draft regulator, draw bar, recoil spring, trailer connector, joint bearing pin, tension bar latch and draw bar latch; Pin shaft hole on headstock adaptor union coordinates installation with the side plate pin-and-hole in hitch head, by nipple pin pivot hinge, connects, and hitch head is limited by the housing base plate position on headstock adaptor union around bearing pin revolution space; Pin hole in hitch head and the pin hole on draft regulator are by tension bar latch chain connection; Jiont treatment on draw bar is in the duckbilled structure of hitch head, and the pin hole on the joint pin hole on joint and upper mouth plate and the pin hole on lower mouth plate are by draw bar latch chain connection; The shaft rod upper sleeve of draw bar is equipped with recoil spring; The bar head of draw bar is installed beam barrel with the draw bar on trailer connector and is coordinated installation, and bar head extend in the trapezoidal housing of trailer connector, and bar head passes through nut locking.
Headstock adaptor union by adapter plate be connected housing and form, connect housing vertical with adapter plate; Adapter plate edge has mounting hole uniformly; Connect the channel-section steel shape that housing is back-off, the housing side plate on both sides has pin shaft hole at case side front edge of board head place.
Hitch head main body is duckbill, side plate, upper mouth plate, lower mouth plate and tension adjustable pole connecting panel, consists of; On side plate, have side plate pin-and-hole; Upper mouth plate is parallel with lower mouth plate, forms duckbill agent structure with side plate; On upper mouth plate and lower mouth plate, have pin hole, and the pin hole on two boards is in same upright position; On upper mouth plate, be vertically provided with two parallel tension adjustable pole connecting panels; On tension adjustable pole connecting panel, have pin hole, and the pin hole on two boards is in same upright position.
Draft regulator is comprised of joint pipe link, adjust bar and adjustment barrel; Joint pipe link comprises one section of screwed thread rod and is connected to the connection bayonet socket of thread rod one end, connects on bayonet socket and have pin hole; Adjust bar comprises thread rod and adjust bar joint, on adjust bar joint, has mounting hole; Adjustment barrel is one section of female beam barrel, one end jointing pipe link, and one end connects adjust bar; Hand of spiral on joint pipe link is contrary with the hand of spiral on adjust bar.
Draw bar comprises joint and axostylus axostyle two parts; Axostylus axostyle is provided with the shaft shoulder, and axostylus axostyle front end is connected with joint, and bar head place establishes outside thread.
Trailer connector comprises trailer connecting panel, trapezoidal housing, housing deep floor, draw bar installation beam barrel and beam barrel deep floor; Trailer connecting panel is the bottom surface of trapezoidal housing; Between trailer connecting panel and trapezoidal housing, be provided with uniformly housing deep floor; The upper bottom surface center of trapezoidal housing is vertically provided with draw bar beam barrel is installed, and draw bar is installed beam barrel and communicated with trapezoidal housing inner chamber; Draw bar is installed between beam barrel and the upper bottom surface of trapezoidal housing and is provided with uniformly 4 beam barrel deep floors.
The beneficial effect of trailer traction connecting device of the present invention is: effectively guaranteed the safety of draw bar in operational process, avoided because the loss that draw bar fracture causes has improved production efficiency.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail:
Accompanying drawing 1 is the organigram of trailer traction connecting device.
Accompanying drawing 3 is hitch head organigram.
Accompanying drawing 4 is draft regulator organigram.
Accompanying drawing 5 is draw bar organigram.
Accompanying drawing 6 is trailer connector organigram.
In accompanying drawing: headstock adaptor union 1, adapter plate 11, mounting hole 111, connect housing 12, housing side plate 121, case side front edge of board head 1211, pin shaft hole 1212, housing base plate 122, hitch head 2, side plate 21, side plate pin-and-hole 211, upper mouth plate 22, pin hole 221, lower mouth plate 23, pin hole 231, tension adjustable pole connecting panel 24, pin hole 241, draft regulator 3, joint pipe link 31, thread rod 311, connect bayonet socket 312, mounting hole 3221, adjust bar 32, thread rod 321, adjust bar joint 322, adjustment barrel 33, draw bar 4, joint 41, axostylus axostyle 42, the shaft shoulder 421, bar head 422, recoil spring 5, trailer connector 6, trailer connecting panel 61, mounting hole 611, trapezoidal housing 62, upper bottom surface 621, housing deep floor 63, draw bar is installed beam barrel 64 and beam barrel deep floor 65, joint bearing pin 7, tension bar latch 8, draw bar latch 9.
The specific embodiment
As shown in Figure 1, trailer traction connecting device of the present invention is comprised of headstock adaptor union 1, hitch head 2, draft regulator 3, draw bar 4, recoil spring 5, trailer connector 6, joint bearing pin 7, tension bar latch 8 and draw bar latch 9; Pin shaft hole 1212 on headstock adaptor union 1 coordinates installation with the side plate pin-and-hole 211 in hitch head 2, and by joint bearing pin 7 chain connections, hitch head 2 is limited by housing base plate 122 positions on headstock adaptor union 1 around bearing pin revolution space; Pin hole 241 in hitch head 2 passes through tension bar latch 8 chain connections with the pin hole 3121 on draft regulator 3; Joint 41 on draw bar 4 is arranged in the duckbilled structure of hitch head 2, and the joint pin hole 411 on joint 41 passes through draw bar latch 9 chain connections with pin hole 221 and the pin hole on lower mouth plate 23 231 on upper mouth plate 22; On the axostylus axostyle 42 of draw bar 4, be set with recoil spring 5; The bar head 422 of draw bar 4 is installed beam barrel 64 with the draw bar on trailer connector 6 and is coordinated installation, and bar head 422 extend in the trapezoidal housing 62 of trailer connector 6, and bar head 422 passes through nut locking.
As shown in Figure 2, headstock adaptor union 1 by adapter plate 11 be connected housing 12 and form, connect housing 12 vertical with adapter plate 11; Adapter plate 11 edges have mounting hole 111 uniformly; Connect the channel-section steel shape that housing 12 is back-off, the housing side plate 121 on both sides has pin shaft hole 1212 at case side front edge of board head 1211 places.
As shown in Figure 3, hitch head 2 main bodys are duckbill, side plate 21, upper mouth plate 22, lower mouth plate 23 and tension adjustable pole connecting panel 24, consist of; On side plate 21, have side plate pin-and-hole 211; Upper mouth plate 22 is parallel with lower mouth plate 23, forms duckbill agent structure with side plate 21; On upper mouth plate 22, have pin hole 221; On lower mouth plate 23, have pin hole 231, and be in same upright position with the pin hole 221 on upper mouth plate 22; On upper mouth plate 22, be vertically provided with two parallel tension adjustable pole connecting panels 24; On tension adjustable pole connecting panel 24, have pin hole 241.
As shown in Figure 4, draft regulator 3 is comprised of joint pipe link 31, adjust bar 32 and adjustment barrel 33; Joint pipe link 31 comprises one section of screwed thread rod 311 and is connected to the connection bayonet socket 312 of thread rod 311 one end, connects on bayonet socket 312 and have pin hole 3121; Adjust bar 32 comprises thread rod 321 and adjust bar joint 322, and the hand of spiral on thread rod 321 is contrary with thread rod 311, on adjust bar joint 322, has mounting hole 3221; Adjustment barrel 33 is one section of female beam barrel, one end jointing pipe link 31, and one end connects adjust bar 32.
As shown in Figure 5, draw bar 4 comprises joint 41 and axostylus axostyle 42 two parts; Axostylus axostyle 42 is provided with the shaft shoulder 421, and axostylus axostyle 42 front ends are connected with joint 41, and bar head 422 places establish outside thread.
As shown in Figure 6, trailer connector 6 comprises trailer connecting panel 61, trapezoidal housing 62, housing deep floor 63, draw bar installation beam barrel 64 and beam barrel deep floor 65; Trailer connecting panel 61 edges have mounting hole 611 uniformly; Trailer connecting panel 61 is bottom surfaces of trapezoidal housing 62; Between trailer connecting panel 61 and trapezoidal housing 62, be provided with uniformly housing deep floor 63; The upper bottom surface 621 center vertical link draw bars of trapezoidal housing 62 are installed beam barrel 64, and draw bar is installed beam barrel 64 and communicated with trapezoidal housing 62 inner chambers; Draw bar is installed between beam barrel 64 and the upper bottom surface 621 of trapezoidal housing 62 and is provided with uniformly 4 beam barrel deep floors 65.
In trailer work, the headstock adaptor union 1 of trailer traction connecting device of the present invention is fixedly mounted on trailer headstock afterbody by adapter plate 11, adjust bar joint 322 on draft regulator 3 is by mounting hole 3221 and headstock afterbody chain connection, and trailer connector 6 is fixedly mounted on trailer body by connecting panel 61; Trailer is in service, regulate draft regulator 3, all the time give 2 one pulling force that make progress of hitch head, when occurring suddenly stopping waiting while making the excessive situation of draw bar 4 loads, by recoil spring 5, make stressed buffering, by mutually using of hitch head 2 and draft regulator 3, to stressed, play unloading effect simultaneously.
Claims (6)
1. a trailer traction connecting device, is characterized in that: headstock adaptor union (1), hitch head (2), draft regulator (3), draw bar (4), recoil spring (5), trailer connector (6), joint bearing pin (7), tension bar latch (8) and draw bar latch (9), consist of; Pin shaft hole (1212) on headstock adaptor union (1) coordinates installation with the side plate pin-and-hole (211) in hitch head (2), by joint bearing pin (7) chain connection, hitch head (2) is subject to housing base plate (122) the position restriction on headstock adaptor union (1) around bearing pin revolution space; Pin hole (241) in hitch head (2) passes through tension bar latch (8) chain connection with the pin hole (3121) on draft regulator (3); Joint (41) on draw bar (4) is arranged in the duckbilled structure of hitch head (2), and the joint pin hole (411) on joint (41) passes through draw bar latch (9) chain connection with pin hole (221) and the pin hole (231) on lower mouth plate (23) on upper mouth plate (22); On the axostylus axostyle (42) of draw bar (4), be set with recoil spring (5); The bar head (422) of draw bar (4) is installed beam barrel (64) with the draw bar on trailer connector (6) and is coordinated installation, bar head (422) extend in the trapezoidal housing (62) of trailer connector (6), and bar head (422) passes through nut locking.
2. trailer traction connecting device as claimed in claim 1, is characterized in that: headstock adaptor union (1) by adapter plate (11) be connected housing (12) and form, connect housing (12) vertical with adapter plate (11); Adapter plate (11) edge has mounting hole (111) uniformly; Connect the channel-section steel shape that housing (12) is back-off, the housing side plate (121) on both sides locates to have pin shaft hole (1212) at case side front edge of board head (1211).
3. trailer traction connecting device as claimed in claim 1, it is characterized in that: hitch head (2) main body is duckbill, by side plate (21), upper mouth plate (22), lower mouth plate (23) and tension adjustable pole connecting panel (24), formed; On side plate (21), have side plate pin-and-hole (211); Upper mouth plate (22) is parallel with lower mouth plate (23), forms duckbill agent structure with side plate (21); On upper mouth plate (22), have pin hole (221); On lower mouth plate (23), have pin hole (231), and be in same upright position with the pin hole (221) on upper mouth plate (22); On upper mouth plate (22), be vertically provided with two parallel tension adjustable pole connecting panels (24); On tension adjustable pole connecting panel (24), have pin hole (241).
4. trailer traction connecting device as claimed in claim 1, is characterized in that: draft regulator (3) is comprised of joint pipe link (31), adjust bar (32) and adjustment barrel (33); Joint pipe link (31) comprises one section of screwed thread rod (311) and is connected to the connection bayonet socket (312) of thread rod (311) one end, connects on bayonet socket (312) and has pin hole (3121); Adjust bar (32) comprises thread rod (321) and adjust bar joint (322), and the hand of spiral on thread rod (321) is contrary with thread rod (311), has mounting hole (3221) on adjust bar joint (322); Adjustment barrel (33) is one section of female beam barrel, one end jointing pipe link (31), and one end connects adjust bar (32).
5. trailer traction connecting device as claimed in claim 1, is characterized in that: draw bar (4) comprises joint (41) and axostylus axostyle (42) two parts; Axostylus axostyle (42) is provided with the shaft shoulder (421), and axostylus axostyle (42) front end is connected with joint (41), and bar head (422) locates to establish outside thread.
6. trailer traction connecting device as claimed in claim 1, is characterized in that: trailer connector (6) comprises trailer connecting panel (61), trapezoidal housing (62), housing deep floor (63), draw bar installation beam barrel (64) and beam barrel deep floor (65); Trailer connecting panel (61) is the bottom surface of trapezoidal housing (62); Between trailer connecting panel (61) and trapezoidal housing (62), be provided with uniformly housing deep floor (63); The vertical link in upper bottom surface (621) the center draw bar of trapezoidal housing (62) is installed beam barrel (64), and draw bar is installed beam barrel (64) and communicated with trapezoidal housing (62) inner chamber; Draw bar is installed between beam barrel (64) and the upper bottom surface (621) of trapezoidal housing (62) and is provided with uniformly 4 beam barrel deep floors (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310494240.7A CN103538433A (en) | 2013-10-21 | 2013-10-21 | Trailer traction and connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310494240.7A CN103538433A (en) | 2013-10-21 | 2013-10-21 | Trailer traction and connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103538433A true CN103538433A (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310494240.7A Pending CN103538433A (en) | 2013-10-21 | 2013-10-21 | Trailer traction and connection device |
Country Status (1)
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| CN (1) | CN103538433A (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150784A (en) * | 2015-09-10 | 2015-12-16 | 零八一电子集团四川红轮机械有限公司 | Trailer traction equipment |
| CN106005157A (en) * | 2016-07-13 | 2016-10-12 | 尚艳燕 | Connecting device for electric balance cars and electric balance car for goods transportation |
| CN106004947A (en) * | 2016-07-13 | 2016-10-12 | 尚艳燕 | Transporting device for electric balance car |
| CN106043542A (en) * | 2016-07-13 | 2016-10-26 | 尚艳燕 | Connecting device for electric balance car and electric balance car used for carrying goods |
| CN106043541A (en) * | 2016-07-13 | 2016-10-26 | 尚艳燕 | Connecting device for electric balance vehicle and electric balance vehicle for hauling goods |
| CN106143724A (en) * | 2016-07-13 | 2016-11-23 | 尚艳燕 | A kind of attachment means for electrodynamic balance car and the electrodynamic balance car for hauling goods |
| CN106143725A (en) * | 2016-07-13 | 2016-11-23 | 尚艳燕 | A kind of attachment means for electrodynamic balance car and for the electrodynamic balance car hauled goods |
| CN106184521A (en) * | 2016-07-13 | 2016-12-07 | 尚艳燕 | A kind of attachment means for electrodynamic balance car and for the electrodynamic balance car hauled goods |
| WO2018010114A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connecting device for electric balance vehicle and electric balance vehicle used for carrying goods |
| WO2018010111A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connecting device for electric balance vehicle and electric balance vehicle for pulling goods |
| WO2018010116A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connecting means used for electrically powered self-balancing vehicle, and electrically powered self-balancing vehicle used for pulling goods |
| WO2018010110A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connecting apparatus for use in electric-powered self-balancing scooter, and electric-powered self-balancing scooter for pulling cargo |
| WO2018010113A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connection device for electric self-balancing vehicle and electric self-balancing vehicle for carrying goods |
| WO2018010112A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connecting device for electric self-balancing vehicle and electric self-balancing vehicle for goods transportation |
| CN107606429A (en) * | 2017-09-27 | 2018-01-19 | 江苏科技大学 | Three-dimensional radar detection traveling lowering or hoisting gear and application method with hydraulic elevator platform |
| CN108621718A (en) * | 2018-06-26 | 2018-10-09 | 河南森源电气股份有限公司 | A kind of trailer traction attachment device and transfer car(buggy) |
| CN109973090A (en) * | 2019-03-14 | 2019-07-05 | 臻友重工(江苏)有限公司 | A kind of driving formula coal digging machine of bradyseism |
| CN111038547A (en) * | 2019-12-31 | 2020-04-21 | 中铁磁浮科技（成都）有限公司 | Traction pull rod device with buffering function for medium-low speed magnetic levitation vehicle |
| CN112121482A (en) * | 2020-10-12 | 2020-12-25 | 株洲时代新材料科技股份有限公司 | Cantilever type filter press |
| CN114291172A (en) * | 2021-12-08 | 2022-04-08 | 中国电建集团贵州电力设计研究院有限公司 | Pushing device for large-scale equipment for electric power construction and using method thereof |
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| WO1991010574A1 (en) * | 1990-01-19 | 1991-07-25 | Rool Verkstad System Ab | Drawbar arrangement in trailers |
| US20040262883A1 (en) * | 2003-06-24 | 2004-12-30 | Kerins James A. | Vertical flex trailer hitch |
| US7121575B2 (en) * | 2004-07-01 | 2006-10-17 | Finch Thomas E | Motorcycle trailer |
| CN102085781A (en) * | 2009-12-02 | 2011-06-08 | 荣成市龙河金属加工厂 | Traction connector with buffer |
| US8240695B1 (en) * | 2010-07-14 | 2012-08-14 | Cheh-Kang Liu | Baby trailer towing connector |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991010574A1 (en) * | 1990-01-19 | 1991-07-25 | Rool Verkstad System Ab | Drawbar arrangement in trailers |
| US20040262883A1 (en) * | 2003-06-24 | 2004-12-30 | Kerins James A. | Vertical flex trailer hitch |
| US7121575B2 (en) * | 2004-07-01 | 2006-10-17 | Finch Thomas E | Motorcycle trailer |
| CN102085781A (en) * | 2009-12-02 | 2011-06-08 | 荣成市龙河金属加工厂 | Traction connector with buffer |
| US8240695B1 (en) * | 2010-07-14 | 2012-08-14 | Cheh-Kang Liu | Baby trailer towing connector |
| CN203557923U (en) * | 2013-10-21 | 2014-04-23 | 吴忠市龙辉物流有限公司 | Trailer traction connection device |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150784A (en) * | 2015-09-10 | 2015-12-16 | 零八一电子集团四川红轮机械有限公司 | Trailer traction equipment |
| WO2018010116A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connecting means used for electrically powered self-balancing vehicle, and electrically powered self-balancing vehicle used for pulling goods |
| CN106143724A (en) * | 2016-07-13 | 2016-11-23 | 尚艳燕 | A kind of attachment means for electrodynamic balance car and the electrodynamic balance car for hauling goods |
| WO2018010110A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connecting apparatus for use in electric-powered self-balancing scooter, and electric-powered self-balancing scooter for pulling cargo |
| WO2018010112A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connecting device for electric self-balancing vehicle and electric self-balancing vehicle for goods transportation |
| WO2018010113A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connection device for electric self-balancing vehicle and electric self-balancing vehicle for carrying goods |
| CN106143725A (en) * | 2016-07-13 | 2016-11-23 | 尚艳燕 | A kind of attachment means for electrodynamic balance car and for the electrodynamic balance car hauled goods |
| CN106184521A (en) * | 2016-07-13 | 2016-12-07 | 尚艳燕 | A kind of attachment means for electrodynamic balance car and for the electrodynamic balance car hauled goods |
| WO2018010114A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connecting device for electric balance vehicle and electric balance vehicle used for carrying goods |
| WO2018010111A1 (en) * | 2016-07-13 | 2018-01-18 | 尚艳燕 | Connecting device for electric balance vehicle and electric balance vehicle for pulling goods |
| CN106005157A (en) * | 2016-07-13 | 2016-10-12 | 尚艳燕 | Connecting device for electric balance cars and electric balance car for goods transportation |
| CN106043542A (en) * | 2016-07-13 | 2016-10-26 | 尚艳燕 | Connecting device for electric balance car and electric balance car used for carrying goods |
| CN106004947A (en) * | 2016-07-13 | 2016-10-12 | 尚艳燕 | Transporting device for electric balance car |
| CN106043541A (en) * | 2016-07-13 | 2016-10-26 | 尚艳燕 | Connecting device for electric balance vehicle and electric balance vehicle for hauling goods |
| CN107606429A (en) * | 2017-09-27 | 2018-01-19 | 江苏科技大学 | Three-dimensional radar detection traveling lowering or hoisting gear and application method with hydraulic elevator platform |
| CN108621718A (en) * | 2018-06-26 | 2018-10-09 | 河南森源电气股份有限公司 | A kind of trailer traction attachment device and transfer car(buggy) |
| CN108621718B (en) * | 2018-06-26 | 2023-10-20 | 河南森源电气股份有限公司 | Trailer traction connection device and transfer trolley |
| CN109973090A (en) * | 2019-03-14 | 2019-07-05 | 臻友重工(江苏)有限公司 | A kind of driving formula coal digging machine of bradyseism |
| CN111038547A (en) * | 2019-12-31 | 2020-04-21 | 中铁磁浮科技（成都）有限公司 | Traction pull rod device with buffering function for medium-low speed magnetic levitation vehicle |
| CN112121482A (en) * | 2020-10-12 | 2020-12-25 | 株洲时代新材料科技股份有限公司 | Cantilever type filter press |
| CN112121482B (en) * | 2020-10-12 | 2023-03-14 | 株洲时代新材料科技股份有限公司 | Cantilever type filter press |
| CN114291172A (en) * | 2021-12-08 | 2022-04-08 | 中国电建集团贵州电力设计研究院有限公司 | Pushing device for large-scale equipment for electric power construction and using method thereof |
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Application publication date: 20140129 |