CN202558470U - Rail pressing device - Google Patents
Rail pressing device Download PDFInfo
- Publication number
- CN202558470U CN202558470U CN2012201625016U CN201220162501U CN202558470U CN 202558470 U CN202558470 U CN 202558470U CN 2012201625016 U CN2012201625016 U CN 2012201625016U CN 201220162501 U CN201220162501 U CN 201220162501U CN 202558470 U CN202558470 U CN 202558470U
- Authority
- CN
- China
- Prior art keywords
- hole
- bolt
- cover plate
- protruding block
- base
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a rail pressing device which comprises a base, an upper cover plate, a screw and a nut. A slantly-placed upper protruding block is formed on the base, a lower through hole is arranged on the upper protruding block, a bolt groove hole is arranged on the lower portion of the lower through hole, the bolt groove hole stretches across the bottom of the lower through hole, a lower protruding block corresponding to the upper protruding block is formed on the upper cover plate, an upper through hole is arranged on the lower protruding block, the upper cover plate is covered on the base, a bolt head of a bolt is fixed on the bolt groove hole, and the screw of the bolt penetrates through the lower through hole and the upper through hole and enables the upper cover plate to be fixed on the base through locking of the nut. The bolt groove hole is arranged on the base, the bolt head is placed in the bolt groove hole, and the upper cover plate is fixed on the base through the screw and the nut, so that the bolt has locking effects, simultaneously side direction moment can be borne outside the bolt head, and safety factors of the whole rail pressing device are improved.
Description
Technical field
The utility model relates to a kind of rail pressing device, belongs to crane runway anchor fitting technical field.
Background technology
Maximization day by day, variation along with hoisting and handling equipment; Structural system such as crane and crane girder brings more and more harsher requirement to its working environment and service conditions, and how to select good device for fixing running tracks be the crane safe operation with reduce the important assurance of keeping in repair according to various structure and crane form and working environment.Existing crane rail road anchor fitting is through railway clamp is fixed up through bolt etc. between upper cover plate and base more basically; This anchor fitting can play certain fixation; But its shortcoming is: device can not be resisted bigger side direction moment; And the track appearance of a street is slided before and after being prone to, and causes whole anchor fitting loosening, has a strong impact on the safe operation of crane.
Summary of the invention
The utility model is in order to overcome the deficiency that prior art exists, and a kind of simple in structure, rail pressing device that tightness is good is provided.
The utility model can be achieved through taking following technical scheme:
A kind of rail pressing device comprises base, upper cover plate, screw rod and nut, is formed with tilted-putted upper protruding block on the said base; Said upper protruding block is provided with lower through-hole; Said lower through-hole bottom is provided with a bolt slot, and said bolt slot is formed with on the said upper cover plate and the cooresponding lower protruding block of upper protruding block across in the bottom of lower through-hole; Said lower protruding block is provided with through hole; Said upper cover plate covers on the base, and the bolt cap of said bolt is fixed on the bolt slot, and the screw rod of bolt passes lower through-hole and last through hole and through nut locking upper cover plate is fixed on the base.
On the basis of the above, be extended with anti-skidding solid piece on the lateral of the said upper protruding block of the utility model, can prevent that upper plate from horizontally slipping with respect to base.
Be placed with single pad and spring washer between said nut of the utility model and the upper cover plate, prevent nut loosening, reduce noise and make track and girder steel Elastic Contact.
Compared with prior art; The beneficial effect of the utility model is: the utility model is provided with bolt slot on base, bolt cap is placed in the bolt slot, and through screw rod and nut upper cover plate is fixed on the base; Make bolt play the locking effect; Simultaneously, can outside bolt cap, bear side direction moment again, the safety factor of whole rail pressing device is improved.In addition, the utility model is relatively simple for structure, can omit loaded down with trivial details erection procedure.
Description of drawings
Fig. 1 is the structural representation of the rail pressing device of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the most preferred embodiment of the utility model is described in detail.
As shown in Figure 1; The utility model rail pressing device comprises base 1, upper cover plate 2, screw rod 3 and nut 4; Be formed with tilted-putted upper protruding block 11 on the said base 1, said upper protruding block 11 is provided with lower through-hole 111, and said lower through-hole 111 bottoms are provided with a bolt slot 112; Said bolt slot 112 is across the bottom at lower through-hole 111; Be formed with on the said upper cover plate 2 and upper protruding block 11 cooresponding lower protruding blocks 21, said lower protruding block 21 is provided with through hole 211, and said upper cover plate 2 covers on the base 1; The bolt cap of said bolt 3 is fixed on the bolt slot 112, and the screw rod of bolt 3 passes lower through-hole 111 and with last through hole 211 and through nut 4 lockings upper cover plate 2 is fixed on the base 1.
Be extended with anti-skidding solid piece 113 on the lateral of the said upper protruding block 11 of the utility model, can prevent that upper plate 2 from horizontally slipping with respect to base 1.
In order to prevent nut loosening, reduce noise and make track with the said nut 4 of girder steel Elastic Contact and upper cover plate 2 between be placed with and singly fill up 5 and spring washer 6.
The above person of thought; Be merely the preferred embodiment of the utility model; When the scope that can not limit the utility model enforcement with this; The content of promptly being put down in writing according to the utility model claim and utility model specification sheets has generally been done simple equivalent and has been changed and modification, all still belongs within the utility model claim institute covering scope.In addition, summary partial sum title only is the usefulness that is used for assisting the patent document search, is not the interest field that is used for limiting the utility model.
Claims (3)
1. a rail pressing device comprises base, upper cover plate, screw rod and nut, it is characterized in that being formed with on the said base tilted-putted upper protruding block; Said upper protruding block is provided with lower through-hole; Said lower through-hole bottom is provided with a bolt slot, and said bolt slot is formed with on the said upper cover plate and the cooresponding lower protruding block of upper protruding block across in the bottom of lower through-hole; Said lower protruding block is provided with through hole; Said upper cover plate covers on the base, and the bolt cap of said bolt is fixed on the bolt slot, and the screw rod of bolt passes lower through-hole and last through hole and through nut locking upper cover plate is fixed on the base.
2. rail pressing device according to claim 1 is characterized in that being extended with on the lateral of said upper protruding block anti-skidding solid piece.
3. rail pressing device according to claim 1 and 2 is characterized in that being placed with between said nut and the upper cover plate single pad and spring washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201625016U CN202558470U (en) | 2012-04-17 | 2012-04-17 | Rail pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201625016U CN202558470U (en) | 2012-04-17 | 2012-04-17 | Rail pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202558470U true CN202558470U (en) | 2012-11-28 |
Family
ID=47208151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201625016U Expired - Fee Related CN202558470U (en) | 2012-04-17 | 2012-04-17 | Rail pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202558470U (en) |
-
2012
- 2012-04-17 CN CN2012201625016U patent/CN202558470U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BAOSTEEL ENGENEERING +TECHNOLOGY GROUP CO., LTD. Effective date: 20140604 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ji Xiaofeng Inventor after: Zhao Gangshan Inventor after: Li Jinsong Inventor before: Ji Xiaofeng |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JI XIAOFENG TO: JI XIAOFENG ZHAO GANGSHAN LI JINSONG |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140604 Address after: 456500, Henan City, Anyang province Linzhou water east Zhen Zhao Village Patentee after: Linzhou Runfeng Machinery Co.,Ltd. Patentee after: Baosteel Engeneering &Technology Group Co., Ltd. Address before: 456500, Henan City, Anyang province Linzhou water east Zhen Zhao Village Patentee before: Linzhou Runfeng Machinery Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20210417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |