CN207955670U - Multi-stage mechanical position-limit mechanism - Google Patents
Multi-stage mechanical position-limit mechanism Download PDFInfo
- Publication number
- CN207955670U CN207955670U CN201820298374.XU CN201820298374U CN207955670U CN 207955670 U CN207955670 U CN 207955670U CN 201820298374 U CN201820298374 U CN 201820298374U CN 207955670 U CN207955670 U CN 207955670U
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- China
- Prior art keywords
- collision block
- level
- cylinder
- machinery
- switch
- 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 kind of multi-stage mechanical position-limit mechanism, including quiet pedestal, two level elastic spacing plate, secondary mechanical collision block, level-one elastic spacing plate, level-one machinery collision block, moving base, hit cylinder, close to switch.When close to switch close to level-one machinery collision block, railcar obtains brake signal, to realize limit;During hitting cylinder and hitting on level-one machinery collision block, two-stage mechanical position limitation is generated, elastic spacing, secondary mechanical collision block between respectively two mechanical collision blocks and the elastic spacing between quiet pedestal play the role of protecting equipment to play cushioning effect;Close to switch, hit cylinder, quiet pedestal and two mechanical collision blocks and preferably constitute a caging system, when close to switch failure, can be promptly and accurately be transitioned on mechanical collision block, to realize mechanical position limitation.
Description
Technical field
The utility model belongs to machinery field, specifically, being to be related to a kind of multi-stage mechanical position-limit mechanism.
Background technology
Many railcars are obtained generally by mounted on track terminal close to switch when terminal brakes and responds at present
Brake signal, such as the driving in workshop.In order to improve security performance, it is often additionally provided with mechanical position limitation block, for preventing railcar
It is directly hit with track terminal.Current this position-limit mechanism is inadequate close to the structural nexus between switch and mechanical position limitation block
Closely, in the case where railcar cannot in time be braked by obtaining close to switching signal, mechanical position limitation block cannot be timely
Play the role of mechanical position limitation, the reaction time is longer;It is single-stage mechanical position limitation, track furthermore mechanical position limitation block structure is excessively single
When Che Yuqi is hit, sound is larger, is easily damaged equipment.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of multi-stage mechanical position-limit mechanism.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of multi-stage mechanical position-limit mechanism, including:
For in railcar close to switch;
For the mechanical collision block mounted on track end position;
Cylinder is hit, the cylinder that hits is horizontally mounted in left-right direction, and left and right ends communicate, and right end, which is provided with, to be used for and track
The moving base that vehicle is fixedly connected, it is described to be horizontally mounted and be fixed on by detachable connection structure in left-right direction close to switch
It is described to hit in cylinder;
Quiet pedestal, the quiet pedestal are the U-shaped platy structure of lateral arrangement, and U-shaped mouth hits cylinder, the machinery described in
Collision block has two pieces, and respectively level-one machinery collision block and secondary mechanical collision block, the level-one machinery collision block and the secondary mechanical
Collision block is mounted on by the support of left and right linear guiding mechanism in the quiet pedestal, the secondary mechanical collision block, the first-level machine
Tool collision block and the cylinder that hits array from left to right, and the inside left-end of the secondary mechanical collision block and the quiet pedestal is extruded with
Two level elastic spacing plate is extruded with level-one elastic spacing plate between the secondary mechanical collision block and the level-one machinery collision block.
It is described close to switch and described to hit between cylinder to be connected through a screw thread as a kind of technical solution of this patent selection
Detachable connection structure.
As a kind of technical solution of this patent selection, described hit is provided in cylinder positioned at described close to switch front and saturating
Bright switch protective plate, the switch protective plate are threadedly coupled with described hit between cylinder.
As a kind of technical solution of this patent selection, the moving base is circular plate structure, the outer barrel for hitting cylinder
Several reinforcing ribs are provided between wall and the moving base.
As a kind of technical solution of this patent selection, the quiet pedestal is provided with the pedestal for being connected to track end
Installation screw, the moving base are provided with the pedestal installation screw for being fixedly connected with railcar.
As a kind of technical solution of this patent selection, the left and right linear guiding mechanism includes being opened in left-right direction
Linear guide groove on the inside of the quiet pedestal, the sliding block in the linear guide groove, supporting rod, the sliding block pass through institute
Supporting rod is stated to be fixedly connected with mechanical collision block.
As a kind of technical solution of this patent selection, the inside left-end of the quiet pedestal is machined with boss, the two level
The left end of elastic spacing plate is scheduled on the boss.
As a kind of technical solution of this patent selection, between the two level elastic spacing plate and the boss, described two
Between grade elastic spacing plate and the secondary mechanical collision block, between the level-one machinery collision block and the secondary mechanical collision block, institute
It is the Demountable being connected by screw to state between level-one machinery collision block and the level-one machinery collision block.
As a kind of technical solution of this patent selection, the two level elastic spacing plate is the V-type plate of opening direction upward,
The level-one elastic spacing plate is opening direction V-type plate directed downwardly.
Compared with prior art, the utility model has the advantages that:
The position-limit mechanism is multistage position limiting structure, and when close to switch close to level-one machinery collision block, railcar obtains brake
Signal, to realize limit;During hitting cylinder and hitting on level-one machinery collision block, two-stage mechanical position limitation is generated, respectively two
Elastic spacing, secondary mechanical collision block between mechanical collision block and the elastic spacing between quiet pedestal, to play cushioning effect,
Play the role of protecting equipment;A caging system is preferably constituted close to switching, hitting cylinder, quiet pedestal and two mechanical collision blocks,
When close to switch failure, can be promptly and accurately be transitioned on mechanical collision block, to realize mechanical position limitation.
Description of the drawings
Fig. 1 is the main structure diagram of multi-stage mechanical position-limit mechanism described in the utility model;
Fig. 2 is the left view structural representation described in the utility model for hitting cylinder;
In above-mentioned attached drawing, the corresponding component names of reference numeral are as follows:
The quiet pedestals of 1-, 2- pedestal installation screws, 3- boss, 4- two level elastic spacing plates, 5- linear guide grooves, 6- sliding blocks,
7- supporting rods, 8- secondary mechanical collision blocks, 9- level-one elastic spacing plates, 10- level-one machinery collision blocks, 11- moving bases, 12- reinforcing ribs,
13- hits cylinder, and 14- switchs protective plate, 16- pedestal installation screws close to switch, 15-.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings:
In conjunction with shown in Fig. 1 and Fig. 2, the utility model includes with lower structure:
For in railcar close to switch 14;
For the mechanical collision block mounted on track end position;
Cylinder 13 is hit, cylinder 13 is hit and is horizontally mounted in left-right direction, left and right ends communicate, and right end, which is provided with, to be used for and track
The moving base 11 that vehicle is fixedly connected is horizontally mounted and is fixed on by detachable connection structure close to switch 14 in left-right direction
It hits in cylinder 13, hitting cylinder 13, mainly there are two effects for tool, first, for hitting level-one machinery collision block 10, second is that for arranging that protection connects
Nearly switch 14;
Quiet pedestal 1, quiet pedestal 1 are the U-shaped platy structure of lateral arrangement, and for U-shaped mouth towards cylinder 13 is hit, mechanical collision block has two
Block, and respectively level-one machinery collision block 10 and secondary mechanical collision block 8, level-one machinery collision block 10 and secondary mechanical collision block 8 pass through
Linear guiding mechanism support in left and right is mounted in quiet pedestal 1, secondary mechanical collision block 8, level-one machinery collision block 10 and hits cylinder 13 from a left side
It is arranged in order to the right side, secondary mechanical collision block 8 and the inside left-end of quiet pedestal 1 are extruded with two level elastic spacing plate 4, and secondary mechanical is hit
Level-one elastic spacing plate 9 is extruded between block 8 and level-one machinery collision block 10, the outer diameter for hitting cylinder 13 is less than level-one machinery collision block 10
Maximum straight-line dimension, to ensure smoothly to hit.
As a kind of technical solution of this patent selection, close to switch 14 and hit between cylinder 13 be connected through a screw thread can
It is detachably connected with structure, the mounting structure is relatively stable, and can easily be accommodated close to the left and right position of switch 14.
As a kind of technical solution of this patent selection, hit be provided in cylinder 13 be located adjacent to it is in front of switch 14 and transparent
Switch protective plate 15, switch protective plate 15 is threadedly coupled between cylinder 13 with hitting, and switch protective plate 15 can prevent sundries from entering and hit cylinder
13 and influence performance close to switch 14.
As a kind of technical solution of this patent selection, moving base 11 is circular plate structure, hit the outer tube wall of cylinder 13 with
Several reinforcing ribs 12 are provided between moving base 11, which can greatly improve the intensity for hitting cylinder 13 as ram.
As a kind of technical solution of this patent selection, quiet pedestal 1, which is provided with the pedestal for being connected to track end, pacifies
Screw hole 2 is filled, moving base 11 is provided with the pedestal installation screw 16 for being fixedly connected with railcar.
As a kind of technical solution of this patent selection, left and right linear guiding mechanism includes being opened in quiet base in left-right direction
The linear guide groove 5 of 1 inside of seat, the sliding block 6 in linear guide groove 5, supporting rod 7, sliding block 6 pass through supporting rod 7 and machine
Tool collision block is fixedly connected.
As a kind of technical solution of this patent selection, the inside left-end of quiet pedestal 1 is machined with boss 3, two level elasticity limit
The left end of position plate 4 is scheduled on boss 3.
As a kind of technical solution of this patent selection, between two level elastic spacing plate 4 and boss 3, two level elastic spacing
Between plate 4 and secondary mechanical collision block 8, between level-one machinery collision block 10 and secondary mechanical collision block 8, level-one machinery collision block 10 and level-one
It is the Demountable being connected by screw between mechanical collision block 10, easy to disassemble, easy to maintain, replacement.
As this patent selection a kind of technical solution, two level elastic spacing plate 4 be the V-type plate of opening direction upward, one
Grade elastic spacing plate 9 is opening direction V-type plate directed downwardly, to which when being hit, structure is more steady.
The operation principle of the utility model is as follows:
It 14 will be connected electrically in the brake control system of railcar close to switch, and approach switch 14 and hit cylinder 13 and track
Vehicle moves together;Quiet pedestal 1 is mounted on to the end of track, quiet pedestal 1, two elastic spacing plates and two mechanical collision blocks are and track
It is opposing stationary.
When railcar is drawn close to mechanical collision block, reduces, arrive close to the distance between switch 14 and level-one machinery collision block 10
After reducing to a certain extent, by distance signal transmission railcar, railcar brake limit;
If wrong close to the signal accessed by switch 14, the failure of railcar brake system, railcar continuation at this time
Movement, hits cylinder 13 and hits on level-one machinery collision block 10, starts two-stage buffer limit, until railcar stops, in buffering course,
If railcar hits excessively severity, signal is persistently obtained close to switch 14, once getting signal, brake system can still carry out
Brake, increases safety guarantee;
The coefficient of elasticity size of two elastic spacing plates can be selected according to installation environment;
In this patent, the maximum straight-line dimension of moving base 11 is less than the U-shaped mouth size of quiet pedestal 1, so that entirely
It hits the related quiet pedestal of cylinder 13 1 to be moveable in quiet pedestal 1, to improve the reliability of limit process.
According to the above embodiment, the utility model can be realized well.It is worth noting that being set based on above structure
Under the premise of meter, to solve same technical problem, even if some made on the utility model without substantive change or
Polishing, the essence of used technical solution is still as the utility model, therefore it should also be as the protection in the utility model
In range.
Claims (9)
1. a kind of multi-stage mechanical position-limit mechanism, including:
For in railcar close to switch;
For the mechanical collision block mounted on track end position;
It is characterized in that, further including:
Cylinder is hit, the cylinder that hits is horizontally mounted in left-right direction, and left and right ends communicate, and right end is provided with for solid with railcar
Surely the moving base connected, it is described to be horizontally mounted and be fixed on by detachable connection structure described in left-right direction close to switch
It hits in cylinder;
Quiet pedestal, the quiet pedestal are the U-shaped platy structure of lateral arrangement, and U-shaped mouth hits cylinder, the machinery collision block described in
There are two pieces, and respectively level-one machinery collision block and secondary mechanical collision block, the level-one machinery collision block and the secondary mechanical collision block
It is mounted in the quiet pedestal by the support of left and right linear guiding mechanism, the secondary mechanical collision block, the level-one machinery are hit
Block and the cylinder that hits array from left to right, and the inside left-end of the secondary mechanical collision block and the quiet pedestal is extruded with two level
Elastic spacing plate is extruded with level-one elastic spacing plate between the secondary mechanical collision block and the level-one machinery collision block.
2. multi-stage mechanical position-limit mechanism according to claim 1, which is characterized in that it is described close to switch with it is described hit cylinder it
Between for the detachable connection structure that is connected through a screw thread.
3. multi-stage mechanical position-limit mechanism according to claim 1 or 2, which is characterized in that it is described hit to be provided in cylinder be located at
It is described close to switch front and transparent switch protective plate, the switch protective plate is threadedly coupled with described hit between cylinder.
4. multi-stage mechanical position-limit mechanism according to claim 1, which is characterized in that the moving base is circular plate knot
Structure is provided with several reinforcing ribs between the outer tube wall for hitting cylinder and the moving base.
5. multi-stage mechanical position-limit mechanism according to claim 1, which is characterized in that the quiet pedestal is provided with for connecting
Pedestal installation screw in track end, the moving base are provided with the pedestal installation screw for being fixedly connected with railcar.
6. multi-stage mechanical position-limit mechanism according to claim 1, which is characterized in that the left and right linear guiding mechanism includes
It is opened in the linear guide groove on the inside of the quiet pedestal, the sliding block in the linear guide groove, support in left-right direction
Bar, the sliding block are fixedly connected by the supporting rod with mechanical collision block.
7. multi-stage mechanical position-limit mechanism according to claim 1, which is characterized in that the inside left-end of the quiet pedestal is processed
There are boss, the left end of the two level elastic spacing plate to be scheduled on the boss.
8. multi-stage mechanical position-limit mechanism according to claim 7, which is characterized in that the two level elastic spacing plate with it is described
Between boss, between the two level elastic spacing plate and the secondary mechanical collision block, the level-one machinery collision block and the two level
Be between mechanical collision block, between the level-one machinery collision block and the level-one machinery collision block be connected by screw it is detachable
Structure.
9. multi-stage mechanical position-limit mechanism according to claim 8, which is characterized in that the two level elastic spacing plate is opening
The V-type plate of direction upward, the level-one elastic spacing plate are opening direction V-type plate directed downwardly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820298374.XU CN207955670U (en) | 2018-03-02 | 2018-03-02 | Multi-stage mechanical position-limit mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820298374.XU CN207955670U (en) | 2018-03-02 | 2018-03-02 | Multi-stage mechanical position-limit mechanism |
Publications (1)
Publication Number | Publication Date |
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CN207955670U true CN207955670U (en) | 2018-10-12 |
Family
ID=63740855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820298374.XU Expired - Fee Related CN207955670U (en) | 2018-03-02 | 2018-03-02 | Multi-stage mechanical position-limit mechanism |
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CN (1) | CN207955670U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110242692A (en) * | 2019-04-30 | 2019-09-17 | 武汉船用机械有限责任公司 | Stop device |
-
2018
- 2018-03-02 CN CN201820298374.XU patent/CN207955670U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110242692A (en) * | 2019-04-30 | 2019-09-17 | 武汉船用机械有限责任公司 | Stop device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20190302 |