CN103552915B - A kind of self-locking device for rail clamping device - Google Patents

A kind of self-locking device for rail clamping device Download PDF

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Publication number
CN103552915B
CN103552915B CN201310557443.6A CN201310557443A CN103552915B CN 103552915 B CN103552915 B CN 103552915B CN 201310557443 A CN201310557443 A CN 201310557443A CN 103552915 B CN103552915 B CN 103552915B
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China
Prior art keywords
rail clamping
clamping device
self
sliding panel
locking device
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CN201310557443.6A
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CN103552915A (en
Inventor
朱晓翔
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Yantai Power Intellectual Property Service Co ltd
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HUZHOU YANGXI LIFTING EQUIPMENT CO Ltd
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Abstract

The invention discloses a kind of self-locking device for rail clamping device, comprise base, with the fixed cover that described base is fixedly connected with, telescopic and for driving described telescopic to carry out the jacking system be elevated, described fixed cover inside face is provided with at least two radial grooves, sliding panel is provided with in described radial groove, described sliding panel inside face is provided with negative thread, the springing inwardly promoted by described sliding panel is provided with in described radial groove, described sliding panel lower end is connected with outward-dipping hang plate, described telescopic is provided with the outer lateral incline with described hang plate medial surface laminating.Structure of the present invention is simple, easy to manufacture, can ensure under the unforeseen circumstancess such as power-off, rail clamping device is firmly clamped in orbit, can not throw off.

Description

A kind of self-locking device for rail clamping device
Technical field
The present invention relates to technical field of crane equipment, relate to a kind of self-locking device for rail clamping device in particular.
Background technology
In order to ensure the rail-mounted gantry crane at outside work, the safety of the equipment such as handling bridge, rail clamping device is set and ensures its safety in the situations such as strong wind, patent announcement number is CN202575729U, the Chinese utility model patent of the day for announcing: 2012-12-05 discloses a kind of self-locking device jaw iron for rail clamping device and rail clamping device, the rail clamping device also had drives screw mandrel to rotate by electrical motor, realization is to the clamping of track and unclamp, but, such rail clamping device is under the situations such as accident power-off, screw mandrel can rotate backward, rail clamping device and track are thrown off.
Summary of the invention
The object of this invention is to provide for the deficiencies in the prior art part, a kind of self-locking device for rail clamping device is provided, the deficiencies in the prior art part can be overcome, its structure is simple, easy to manufacture, can ensure under the unforeseen circumstancess such as power-off, rail clamping device is firmly clamped in orbit, can not throw off.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows: a kind of self-locking device for rail clamping device, comprise base, with the fixed cover that described base is fixedly connected with, telescopic and for driving described telescopic to carry out the jacking system be elevated, described fixed cover inside face is provided with at least two radial grooves, sliding panel is provided with in described radial groove, described sliding panel inside face is provided with negative thread, the springing inwardly promoted by described sliding panel is provided with in described radial groove, described sliding panel lower end is connected with outward-dipping hang plate, described telescopic is provided with the outer lateral incline with described hang plate medial surface laminating.
As preferably, between described telescopic and described base, be provided with extension spring.
As preferably, described hang plate becomes 10-15 ° of angle with described sliding panel.
As preferably, described jacking system comprises cylinder or oil cylinder.
As preferably, described radial groove radial section is rectangle or trapezoidal.
As preferably, described springing is three cluster springs.
As preferably, described telescopic is fixed with outer flat board, the pilot bar that described base is provided with and described outer flat board coordinates.
As preferably, described pilot bar cross-sectional plane is rectangle.
Beneficial effect of the present invention is:
Structure is simple, easy to manufacture, can ensure under the unforeseen circumstancess such as power-off, rail clamping device is firmly clamped in orbit, can not throw off.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structural representation of one embodiment of the invention.
Detailed description of the invention
The following stated is only preferred embodiment of the present invention, not limits scope of the present invention.
Embodiment, see accompanying drawing 1, a kind of self-locking device for rail clamping device, comprise base 1, with the fixed cover 201 that described base 1 is fixedly connected with, telescopic 207 and for driving described telescopic 207 to carry out the jacking system 208 be elevated, extension spring 209 is provided with between described telescopic and described base, jacking system can adopt cylinder or oil cylinder, be wherein good with cylinder, fixed cover is sleeved on the outside of screw mandrel in the future, screw mandrel 3 extends there through, described fixed cover 201 inside face is provided with at least two radial grooves 202, be generally three, cross-sectional plane is rectangle or trapezoidal, sliding panel 203 is provided with in described radial groove 202, described sliding panel 203 inside face is provided with negative thread 204, negative thread can with screw mandrel or worm mesh, the springing 205 inwardly promoted by described sliding panel 203 is provided with in described radial groove 202, springing generally adopts spring, quantity is 3-5, sliding panel 203 inwardly promotes by spring, simultaneously, described sliding panel 203 lower end is connected with outward-dipping hang plate 206, described hang plate 206 and described sliding panel 203 one-tenth 10-15 ° angle, described telescopic 207 is provided with the outer lateral incline with described hang plate 206 medial surface laminating, the medial surface laminating of outer lateral incline and inclination, telescopic 207 can rise under the drive of cylinder, with an outer lateral incline, sliding panel is outwards promoted, overcome spring force to slide in radial groove, negative thread and screw mandrel or worm screw throw off, screw mandrel or worm screw normal rotation, when power is off, the power of cylinder disappears, because be provided with extension spring 209 between base 1 and telescopic, so under the effect of extension spring and gravity, telescopic glides, under the action of the spring, sliding shoe inwardly slides, make negative thread and screw mandrel or worm mesh, realize locking.
Further, described telescopic 207 is fixed with outer dull and stereotyped 210, and described base 1 is provided with and described outer dull and stereotyped 210 pilot bars 211 coordinated, and the cross-sectional plane of pilot bar is rectangle, can either lead, can not rotate again.
More than illustrate it is only explanation of the invention, those of ordinary skill in the art's can completely is made to implement this programme, but be not limitation of the present invention, those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification sheets, and these are all not creative amendments.As long as but be all subject to the protection of patent law in right of the present invention.

Claims (8)

1. the self-locking device for rail clamping device, it is characterized in that: comprise base (1), the fixed cover (201) be fixedly connected with described base (1), telescopic (207) and the jacking system (208) for driving described telescopic (207) to carry out being elevated, described fixed cover (201) inside face is provided with at least two radial grooves (202), sliding panel (203) is provided with in described radial groove (202), described sliding panel (203) inside face is provided with negative thread (204), the springing (205) inwardly promoted by described sliding panel (203) is provided with in described radial groove (202), described sliding panel (203) lower end is connected with outward-dipping hang plate (206), described telescopic (207) is provided with the outer lateral incline with the laminating of described hang plate (206) medial surface, described fixed cover (201) is sleeved on the outside of screw mandrel (3), negative thread (204) and screw mandrel (3) engagement.
2. a kind of self-locking device for rail clamping device according to claim 1, is characterized in that: be provided with extension spring (209) between described telescopic (207) and described base (1).
3. a kind of self-locking device for rail clamping device according to claim 1, is characterized in that: described hang plate (206) becomes 10-15 ° of angle with described sliding panel (203).
4. a kind of self-locking device for rail clamping device according to claim 1 or 2 or 3, is characterized in that: described jacking system (208) comprises cylinder or oil cylinder.
5. a kind of self-locking device for rail clamping device according to claim 1 or 2 or 3, is characterized in that: described radial groove (202) radial section is rectangle or trapezoidal.
6. a kind of self-locking device for rail clamping device according to claim 1 or 2 or 3, is characterized in that: described springing (205) is three cluster springs.
7. a kind of self-locking device for rail clamping device according to claim 1 or 2 or 3, is characterized in that: described telescopic (207) is fixed with outer flat board (210), and described base (1) is provided with the pilot bar (211) coordinated with described outer flat board (210).
8. a kind of self-locking device for rail clamping device according to claim 7, is characterized in that: described pilot bar (211) cross-sectional plane is rectangle.
CN201310557443.6A 2013-11-12 2013-11-12 A kind of self-locking device for rail clamping device Active CN103552915B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310557443.6A CN103552915B (en) 2013-11-12 2013-11-12 A kind of self-locking device for rail clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310557443.6A CN103552915B (en) 2013-11-12 2013-11-12 A kind of self-locking device for rail clamping device

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CN103552915A CN103552915A (en) 2014-02-05
CN103552915B true CN103552915B (en) 2015-08-05

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2058669U (en) * 1989-12-02 1990-06-27 上海起重运输机械厂 Self-locking rail clamping device
CN1088542A (en) * 1992-12-19 1994-06-29 太原重型机器厂 Self-locking rail clamping device
CN201746228U (en) * 2010-04-21 2011-02-16 辽宁省水利水电科学研究院 Locking device
CN202829330U (en) * 2012-10-24 2013-03-27 江苏省特种设备安全监督检验研究院 Anti-skidding self-locking rail clamping device for rail gantry crane

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2519038Y2 (en) * 1990-11-22 1996-12-04 住友重機械工業株式会社 Guide device for traveling rail transfer
JP2537464B2 (en) * 1993-07-23 1996-09-25 株式会社永瀬工場 Sliding rail clamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2058669U (en) * 1989-12-02 1990-06-27 上海起重运输机械厂 Self-locking rail clamping device
CN1088542A (en) * 1992-12-19 1994-06-29 太原重型机器厂 Self-locking rail clamping device
CN201746228U (en) * 2010-04-21 2011-02-16 辽宁省水利水电科学研究院 Locking device
CN202829330U (en) * 2012-10-24 2013-03-27 江苏省特种设备安全监督检验研究院 Anti-skidding self-locking rail clamping device for rail gantry crane

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