CN111791906B - Grab bar mechanism for locomotive multifunctional escape system - Google Patents
Grab bar mechanism for locomotive multifunctional escape system Download PDFInfo
- Publication number
- CN111791906B CN111791906B CN202010661356.5A CN202010661356A CN111791906B CN 111791906 B CN111791906 B CN 111791906B CN 202010661356 A CN202010661356 A CN 202010661356A CN 111791906 B CN111791906 B CN 111791906B
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- hinged
- rod
- assembly
- horizontal rod
- 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.)
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 title claims abstract description 10
- 230000007704 transition Effects 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D19/00—Door arrangements specially adapted for rail vehicles
- B61D19/02—Door arrangements specially adapted for rail vehicles for carriages
- B61D19/023—Emergency exits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D23/00—Construction of steps for railway vehicles
- B61D23/02—Folding steps for railway vehicles, e.g. hand or mechanically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D49/00—Other details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Transportation (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
The invention relates to a grab bar mechanism for a locomotive multifunctional escape system, wherein one end of an adjustable rear connecting rod is hinged on a transitional lock shell in a transitional lock, the other end of the adjustable rear connecting rod is hinged with one end of a transitional connecting piece, the other end of the transitional connecting piece, one end of a front bearing connecting rod and one end of a horizontal rod are hinged together, the other end of the front bearing connecting rod is hinged with the upper part of a door leaf assembly, the other end of the horizontal rod is connected with one end of the front connecting rod through a hinge shaft, and the other end of the front connecting rod is hinged at the upper end of a secondary pedal assembly; a stretching damper is hinged on the front bearing connecting rod close to the hinged shaft end of the front bearing connecting rod and the horizontal rod, and the other end of the stretching damper is hinged on the door leaf assembly; the hinge shaft end of the horizontal rod and the front connecting rod is also hinged with a diagonal rod, and the other end of the diagonal rod is hinged at the upper part of the door leaf assembly. The device consists of a plurality of connecting rods which are rigidly connected, and provides a power source for the secondary pedal assembly, a main bearing function and a protection function for passengers in the process of turning down; the whole structure is simpler, the reliability is high, and the occupied space is smaller.
Description
Technical Field
The invention relates to the technical field of escape systems, in particular to a grab rail mechanism for a multifunctional escape system of a locomotive.
Background
At present, various downward-turning escape doors, side-moving escape doors and emergency evacuation doors which can be turned down and opened laterally exist in escape systems on the market. In the existing emergency evacuation door which can be turned down and opened laterally, the function of turning down: because the grab rail system in the emergency evacuation door adopts a flexible braid belt or flexible steel wire to connect the chain structure for bearing and main bearing, the downward turning function of the emergency evacuation door is opened, the recovery reliability is reduced, the main bearing of the downward turning function uses the chain, and when the side moving function is operated, the connecting point of the chain and the door frame is required to be separated, and the side moving function can be completed by hanging the connecting point on the door leaf, so that the operation process is too complex and the operation time is long.
Disclosure of Invention
The invention aims to solve the technical problems that: provides a grab rail mechanism for a multifunctional escape system of a locomotive.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a multifunctional escape system of locomotive is with grab rail mechanism, includes left grab rail assembly and right grab rail assembly that bilateral symmetry set up, left grab rail assembly and right grab rail assembly all include adjustable back connecting rod, preceding bearing connecting rod, horizon bar and preceding connecting rod, adjustable back connecting rod one end articulated on the transition lock, the other end is articulated with transition piece one end, transition piece other end, preceding bearing connecting rod one end and horizon bar one end are articulated jointly, preceding bearing connecting rod other end is articulated with door leaf assembly upper portion, be equipped with handrail expansion gas spring in the horizon bar recess, handrail expansion gas spring one end, horizon bar other end, preceding connecting rod one end and angle bar one end are articulated jointly through the articulated shaft, handrail expansion gas spring other end articulates in the horizon bar recess, preceding connecting rod other end articulates at the upper end of second grade footboard assembly, the angle bar other end articulates in door leaf assembly upper portion.
Further, the first long sliding groove is formed in the two side edges of the front end of the horizontal rod, the second long sliding groove is formed in the rear end of the front connecting rod, and the hinge shaft slides in the first long sliding groove and the second long sliding groove.
Further, the rear end of the front bearing connecting rod is hinged with a stretching damper, and the other end of the stretching damper is hinged on the door leaf assembly.
Further, the rear end of the horizontal rod is provided with a clamping tongue for unlocking the secondary pedal assembly lock.
Further, the adjustable rear connecting rod is an adjustable rear connecting rod with the self length being finely adjustable.
The beneficial effects of the invention are as follows: the aluminum alloy is used as the material of the main body structure, so that the whole weight is light; the grab rail assembly is formed by rigidly connecting a plurality of connecting rods, and the grab rail has the functions of: in the process of turning down, a power source is provided for the secondary pedal assembly, a main bearing function is provided, and a protection function is provided for passengers; the whole structure is simpler, the operation is simple, the reliability is high, and the occupied space is smaller.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of another aspect of the present invention;
FIG. 3 is an enlarged view of a portion of the present invention at I.
In the figure: 7. left grab bar assembly, 8 right grab bar assembly, 111 adjustable rear connecting rod, 112 front load-bearing connecting rod, 113 horizontal rod, 114 diagonal rod, 115 front connecting rod, 116 tensile damper, 117 transitional coupling sheet, 118 armrest expansion gas spring, 122 first long chute, 124 hinge shaft, 125 second long chute, 130 clamping tongue.
Detailed Description
The invention will now be described in further detail with reference to the drawings and a preferred embodiment. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
The multifunctional escape system of the locomotive shown in fig. 1-3 comprises a left grab bar assembly 7 and a right grab bar assembly 8 which are symmetrically arranged left and right, wherein each of the left grab bar assembly 7 and the right grab bar assembly 8 comprises an adjustable rear connecting rod 111, a front bearing connecting rod 112, a horizontal rod 113 and a front connecting rod 115, the adjustable rear connecting rod 111 is an adjustable rear connecting rod with the self length being finely adjustable, one end of the adjustable rear connecting rod 111 is hinged on a transitional lock, the other end of the adjustable rear connecting rod is hinged with one end of a transitional connecting sheet 117, the other end of the transitional connecting sheet 117, one end of the front bearing connecting rod 112 and one end of the horizontal rod 113 are hinged together, the other end of the front bearing connecting rod 112 is hinged with the upper part of the door leaf assembly, a handrail expanding gas spring 118 is arranged in a groove of the horizontal rod 113, one end of the handrail expanding gas spring 118, the other end of the horizontal rod 113, one end of the front connecting rod 115 and one end of the inclined rod 114 are hinged together through a hinge shaft 124, the other end of the handrail expanding gas spring 118 is hinged in the groove of the horizontal rod 113, the rear end of the horizontal rod 113 is provided with a blocking tongue 130 for unlocking the lock of the two-stage pedal assembly, the other end of the horizontal rod 115 is hinged on the other end of the inclined rod assembly, and the other end of the inclined rod 114 is hinged on the upper end of the inclined rod assembly.
The two sides of the front end of the horizontal rod 113 are provided with a first long chute 122, the rear end of the front connecting rod 115 is provided with a second long chute 125, and the hinge shaft 124 slides in the first long chute 122 and the second long chute 125.
The rear end of the front load-bearing connecting rod 112 is hinged with a stretching damper 116, and the other end of the stretching damper 116 is hinged on the door leaf assembly.
The specific grab bar mechanism is hinged in a lock system at the upper part of a door frame assembly in the locomotive multifunctional escape system through a transition lock, the escape system is unlocked in the process of downwards turning the door page assembly, the door page assembly is opened, the left and right armrest assemblies 7 and 8 are unfolded along with the door page assembly, the clamping tongue 130 is also released along with the door page assembly, the lock 16 of the secondary pedal assembly is unlocked, the door page assembly continues to downwards turn until the door page assembly is fully opened, then the telescopic damper 116 stretches to drive the horizontal rod 113 and the front bearing connecting rod 112 to simultaneously stretch, at the moment, the armrest unfolding gas spring 118 starts to work, the hinge shaft 124 is pushed to slide forwards in the first long chute 122, and the hinge shaft 124 is hinged with the inclined rod 114, the front connecting rod 115, the horizontal rod 113 and the armrest unfolding gas spring 118, so that the armrest unfolding gas spring 118 works to drive the front connecting rod 115 to forwards open to provide a power source for the secondary pedal assembly in the escape system, and simultaneously the second long chute 125 slides along the hinge shaft 124 until the secondary pedal assembly 9 is fully opened, so that the downwards turning function of the escape system is completed.
The foregoing description is merely illustrative of specific embodiments of the invention, and the invention is not limited to the details shown, since modifications and variations of the foregoing embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (2)
1. The utility model provides a multifunctional escape system of locomotive is with grab rail mechanism, includes left grab rail assembly (7) and right grab rail assembly (8) that bilateral symmetry set up, its characterized in that: the grab rail mechanism is hinged in a lock system at the upper part of a door frame assembly in the multifunctional escape system of the locomotive through a transition lock,
The left grab bar assembly (7) and the right grab bar assembly (8) comprise an adjustable rear connecting rod (111), a front bearing connecting rod (112), a horizontal rod (113) and a front connecting rod (115), one end of the adjustable rear connecting rod (111) is hinged on the transition lock, the other end of the adjustable rear connecting rod is hinged with one end of the transition connecting piece (117), one end of the front bearing connecting rod (112) and one end of the horizontal rod (113) are hinged together, the other end of the front bearing connecting rod (112) is hinged with the upper part of the door leaf assembly, a handrail unfolding gas spring (118) is arranged in a groove of the horizontal rod (113), one end of the handrail unfolding gas spring (118), the other end of the horizontal rod (113), one end of the front connecting rod (115) and one end of the diagonal rod (114) are hinged together through a hinge shaft (124), the other end of the handrail unfolding gas spring (118) is hinged in the groove of the horizontal rod (113), and the other end of the front connecting rod (115) is hinged at the upper end of the two-stage pedal assembly;
The two sides of the front end of the horizontal rod (113) are provided with a first long chute (122), the rear end of the front connecting rod (115) is provided with a second long chute (125), the hinge shaft (124) slides in the first long chute (122) and the second long chute (125), and the rear end of the horizontal rod (113) is provided with a clamping tongue (130) for unlocking the lock of the secondary pedal assembly;
The rear end of the front bearing connecting rod (112) is hinged with a stretching damper (116), and the other end of the stretching damper (116) is hinged on the door leaf assembly.
2. The grab rail mechanism for a multi-functional escape system of a locomotive as claimed in claim 1, wherein: the adjustable rear connecting rod (111) is an adjustable rear connecting rod with the self length capable of being finely adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010661356.5A CN111791906B (en) | 2020-07-10 | 2020-07-10 | Grab bar mechanism for locomotive multifunctional escape system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010661356.5A CN111791906B (en) | 2020-07-10 | 2020-07-10 | Grab bar mechanism for locomotive multifunctional escape system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111791906A CN111791906A (en) | 2020-10-20 |
| CN111791906B true CN111791906B (en) | 2024-06-04 |
Family
ID=72810729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010661356.5A Active CN111791906B (en) | 2020-07-10 | 2020-07-10 | Grab bar mechanism for locomotive multifunctional escape system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111791906B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0776808A1 (en) * | 1995-11-29 | 1997-06-04 | Fine Products S.A. | Door and ramp evacuation unit for passenger transport vehicles |
| KR100837176B1 (en) * | 2007-03-20 | 2008-06-11 | 현대로템 주식회사 | Emergency door for rolling stock |
| CN105172815A (en) * | 2015-09-14 | 2015-12-23 | 今创集团股份有限公司 | All-purpose escape system for subway locomotives |
| CN108643730A (en) * | 2018-05-30 | 2018-10-12 | 常州长青交通科技股份有限公司 | The emergency evacuation equipment of automatic Pilot railcar |
| CN212289839U (en) * | 2020-07-10 | 2021-01-05 | 今创集团股份有限公司 | Handrail mechanism for locomotive multifunctional escape system |
-
2020
- 2020-07-10 CN CN202010661356.5A patent/CN111791906B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0776808A1 (en) * | 1995-11-29 | 1997-06-04 | Fine Products S.A. | Door and ramp evacuation unit for passenger transport vehicles |
| KR100837176B1 (en) * | 2007-03-20 | 2008-06-11 | 현대로템 주식회사 | Emergency door for rolling stock |
| CN105172815A (en) * | 2015-09-14 | 2015-12-23 | 今创集团股份有限公司 | All-purpose escape system for subway locomotives |
| CN108643730A (en) * | 2018-05-30 | 2018-10-12 | 常州长青交通科技股份有限公司 | The emergency evacuation equipment of automatic Pilot railcar |
| CN212289839U (en) * | 2020-07-10 | 2021-01-05 | 今创集团股份有限公司 | Handrail mechanism for locomotive multifunctional escape system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111791906A (en) | 2020-10-20 |
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