CN207955670U - Multi-stage mechanical position-limit mechanism - Google Patents

Multi-stage mechanical position-limit mechanism Download PDF

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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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CN
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
Application number
CN201820298374.XU
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Chinese (zh)
Inventor
徐天鹰
杨军
苏万琴
李涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest University of Science and Technology
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Southwest University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Southwest University of Science and Technology filed Critical Southwest University of Science and Technology
Priority to CN201820298374.XU priority Critical patent/CN207955670U/en
Application granted granted Critical
Publication of CN207955670U publication Critical patent/CN207955670U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Multi-stage mechanical position-limit mechanism
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.
CN201820298374.XU 2018-03-02 2018-03-02 Multi-stage mechanical position-limit mechanism Expired - Fee Related CN207955670U (en)

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
CN207955670U true CN207955670U (en) 2018-10-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820298374.XU Expired - Fee Related CN207955670U (en) 2018-03-02 2018-03-02 Multi-stage mechanical position-limit mechanism

Country Status (1)

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CN (1) CN207955670U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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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