CN109017152B - Brake structure for turntable direct-insertion type aviation dining car - Google Patents
Brake structure for turntable direct-insertion type aviation dining car Download PDFInfo
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- CN109017152B CN109017152B CN201811084110.5A CN201811084110A CN109017152B CN 109017152 B CN109017152 B CN 109017152B CN 201811084110 A CN201811084110 A CN 201811084110A CN 109017152 B CN109017152 B CN 109017152B
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- Prior art keywords
- brake
- pedal
- disc
- connecting rod
- base
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- 238000003780 insertion Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract 11
- 238000000429 assembly Methods 0.000 claims abstract 11
- 210000002105 tongue Anatomy 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0078—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B31/00—Service or tea tables, trolleys, or wagons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0078—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism
- B60B33/0084—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism acting on axle end
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/0433—Braking mechanisms; Locking devices against movement foot operated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a brake structure for a turntable direct-insertion type aviation dining car, which comprises the following components: the roller assemblies are symmetrically arranged, each roller assembly comprises two pairs of rollers which are symmetrically arranged, a brake assembly is arranged on the upper part of each roller assembly, a connecting rod assembly is arranged between the two brake assemblies, and the brake assemblies transmit power through the connecting rod assemblies, so that the brake assemblies on one side brake or loosen all the rollers simultaneously, the rollers are converted into horizontal movement of rod pieces through a rotating mechanism, and are inserted into gaps between columns of casters and mounting surfaces, the structure is more stable and efficient, the force required by the movement of the mechanism is smaller, the braking and loosening states are more stable, a secondary release mechanism is arranged, and when a main release mechanism fails, the brake can be released through the secondary release mechanism; the current meshing state of the structure can be clearly displayed, the base and the pedal are made of plastic materials, and the connecting rod is made of aluminum alloy sections, so that the overall weight is reduced.
Description
Technical Field
The invention relates to the technical field of aviation, in particular to a brake structure for a turntable direct-insertion type aviation dining car.
Background
In the prior art, the scheme of dining car brake adopts sheet metal parts (realizing the linkage of the brakes at two ends of a handcart) and rotating mechanisms (converting the up-and-down motion of a foot pedal system into the front-and-back motion of the sheet metal parts), and the cylinder on the wheel is jacked up to realize the brake. Or the steel round bar with a special shape is jacked up through the sheet metal part, so that a cylinder on the wheel is jacked up to realize braking. The mechanism rotates reversely to realize the loosening.
In this type of solution, the sheet metal part, the round bar and the like are made of steel, have a thicker thickness and have a larger weight.
The same side wheel jack-up cylinder protruding is in the wheel both sides, causes unable installation secondary release, can't clearly show the current engagement state of brake to can't clearly show and be in the brake state or the state of loosening the car.
The scheme is that the aluminum alloy section bar member realizes the braking linkage on two sides of the trolley, a rotating mechanism and a plastic disc are arranged, and the motion of stepping on the pedal is converted into the motion of jacking up the cylinder through three rotary meshing mechanisms. The mechanism rotates reversely to realize the loosening.
According to the scheme, the plastic parts are more in meshing positions, the manufacturing process is complex, the assembly and debugging difficulties are high, and the mechanism failure phenomena such as clamping stagnation and the like are easy to occur.
The bulges of the jacking cylinders of the wheels on the same side are arranged on two sides of the wheels, a secondary release mechanism cannot be installed, and the current engagement state of the brake cannot be clearly displayed, so that the state of braking or the state of loosening the vehicle cannot be clearly displayed.
Disclosure of Invention
The invention aims at: the brake structure for the turntable direct-insertion type aviation dining car is characterized in that the turntable direct-insertion type aviation dining car is converted into a rod piece to horizontally move through a rotating mechanism, and the rod piece is inserted into a gap between a cylinder of a trundle and a mounting surface; the current meshing state of the structure can be clearly displayed, the base and the pedal are made of plastic materials, and the connecting rod is made of aluminum alloy sections, so that the overall weight is reduced.
The aim of the invention is achieved by the following technical scheme:
a rotary disc direct-insertion type brake structure for aviation dining car, comprising: the wheel components that the symmetry set up, every group wheel components is including two pairs of gyro wheels that the symmetry set up, wheel components upper portion is provided with brake subassembly, two be provided with link assembly between the brake subassembly, brake subassembly passes through link assembly transmission power to brake the action of brake subassembly of one side is simultaneously to all gyro wheels braking or unclamping.
The invention relates to a brake structure for a turntable direct-insertion type aviation dining car, which comprises a base, wherein a roller is arranged at the bottom of the base, a pedal installation seat is arranged in the middle of the base, a brake pedal and a car loosening pedal are hinged on the pedal installation seat through pedal rotating shafts, and the brake pedal and the car loosening pedal are elastically installed through a brake spring and a car loosening spring respectively.
The invention relates to a brake structure for a turntable direct-insertion type aviation dining car, which comprises the following components: the brake disc, the brake disc passes through the brake mounting hole on disc housing and the base and realizes rotating the connection, the brake disc both sides are articulated to have the rotation bent lever, the end of rotation bent lever articulates there is the brake tongue, the brake tongue overcoat is equipped with the brake tongue stop collar, the brake tongue stop collar is connected with the base, realize the brake when the gyro wheel brake axle top of brake tongue oppression gyro wheel.
According to the brake structure for the turntable direct-insertion type aviation dining car, the top of the brake disc is provided with the brake disc bulge, and the brake disc bulge is contacted when the brake pedal is stepped on or the car is released, so that the brake disc rotates, and the braking or the car releasing is realized.
The invention relates to a brake structure for a turntable direct-insertion type aviation dining car, which comprises two connecting rods, wherein the two connecting rods are respectively positioned at two sides of a brake disc, connecting rod grooves are formed in the positions, close to the brake disc, of the connecting rods, transmission lugs are arranged at positions, corresponding to the positions of the brake disc and the connecting rod grooves, of the connecting rods, and the connecting rod grooves are matched with the transmission lugs, so that power is transmitted to the other end when one end of the brake assembly acts.
The invention relates to a brake structure for a turntable direct-insertion type aviation dining car, wherein a base side plate is arranged on the outer side of a base, a brake secondary release mechanism and a state display mechanism are arranged on the base side plate, and the brake secondary release mechanism and the state display mechanism correspond to the end positions of a connecting rod.
The invention relates to a brake structure for a turntable direct-insertion type aviation dining car, wherein the secondary brake release mechanism comprises secondary release nails, the secondary release nails penetrate into a base side plate, and secondary release stop blocks are arranged at the ends of the secondary release nails.
The invention relates to a brake structure for a turntable direct-insertion type aviation dining car, wherein a secondary release spring is sleeved on a secondary release nail, and the secondary release spring is positioned on the outer side of a base side plate.
The invention relates to a brake structure for a turntable direct-insertion type aviation dining car, wherein the state display mechanism comprises state display nails, the state display nails penetrate into a base side plate, and a state display stop block is arranged at the end part of each state display nail.
The invention relates to a brake structure for a turntable direct-insertion type aviation dining car, wherein a status display spring is sleeved on a status display nail, and the status display spring is positioned on the inner side of a side plate of a base.
According to the technical scheme, the invention has the beneficial effects that: the rotary disc direct-insertion type aviation dining car brake structure is more stable and efficient in structural form, smaller in force required by mechanism movement and more stable in brake and car loosening state, and a secondary release mechanism is arranged, so that when a main release mechanism fails, the brake can be released through the secondary release mechanism; the current meshing state of the structure can be clearly displayed, the base and the pedal are made of plastic materials, and the connecting rod is made of aluminum alloy sections, so that the overall weight is reduced.
Drawings
FIG. 1 is a schematic diagram of a brake structure for a turntable direct-insertion type aviation dining car;
FIG. 2 is a partial exploded view of a brake structure for a turntable direct insertion type aviation dining car of the present invention;
FIG. 3 is a partial bottom view of a brake structure for a turntable direct insert type aircraft dining car in accordance with the present invention;
FIG. 4 is a side view cross section of a rotary disc direct insertion type brake structure for an aviation dining car of the present invention;
Fig. 5 is a partial view of a connecting rod of a brake structure for a turntable direct-insertion type aviation dining car.
Detailed Description
The invention will be further described with reference to specific examples and figures.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1-5 are schematic views of an embodiment of a brake structure for a turntable direct-insertion type aviation dining car, the brake structure for a turntable direct-insertion type aviation dining car of the present invention, comprising: the wheel components 100 that the symmetry set up, every group wheel components 100 include two pairs of gyro wheels 120 that the symmetry set up, wheel components 120 upper portion is provided with brake subassembly 300, two be provided with link assembly 200 between the brake subassembly 300, brake subassembly 300 passes through link assembly 200 transmission power to brake subassembly 300 action on one side is simultaneously braked or is released all gyro wheels 120, wheel components 100 includes base 110, base 110 bottom is provided with gyro wheels 120, base 110 middle part has pedal mount pad, pedal mount pad is last to be articulated with brake pedal 320 and to loosen the bicycle pedal 321 through the pedal pivot, brake pedal 320 and loosen the bicycle pedal 321 realize elastic mounting through brake spring 324 and loose bicycle spring 323 respectively, brake subassembly 300 includes: the brake disc 310, the brake disc 310 realizes the rotation connection with the brake mounting hole 111 on the base 110 through the disc sleeve 112, the two sides of the brake disc 310 are hinged with the rotation bent rods 311, the tail ends of the rotation bent rods 311 are hinged with the brake tongues 330, the brake tongues 330 are sleeved with the brake tongue limit sleeves 130, the brake tongue limit sleeves 130 are connected with the base 110, the brake is realized when the brake tongues 330 press the top of the roller brake shaft 121 of the roller 120, the top of the brake disc 310 is provided with a brake disc bulge 312, the brake pedal 320 or the brake release pedal 321 is contacted with the brake disc bulge 312 when the brake pedal 320 is stepped on, thereby the brake disc 310 is rotated to realize the braking or the release of the vehicle, the connecting rod assembly 200 comprises two connecting rods which are respectively positioned at two sides of the brake disc 310, the connecting rods are provided with connecting rod grooves 210 near the brake disc 310, the positions of the brake disc 310 and the connecting rod grooves 210 are provided with transmission lugs 313, the connecting rod groove 210 is matched with the transmission lug 313, so that when one end of the brake assembly 300 acts, power is transmitted to the other end, a base side plate is arranged on the outer side of the base 110, a brake secondary release mechanism 140 and a state display mechanism 150 are arranged on the base side plate, the brake secondary release mechanism 140 and the state display mechanism 150 correspond to the positions of the end parts of the connecting rods, the brake secondary release mechanism 140 comprises secondary release nails 141, the secondary release nails 141 penetrate into the base side plate, secondary release stop blocks 143 are arranged at the end parts of the secondary release nails 141, secondary release springs 142 are sleeved on the secondary release nails 141, the secondary release springs 142 are positioned on the outer side of the base side plate, the state display mechanism 150 comprises state display nails 151, the state display nails 151 penetrate into the base side plate, state display stop blocks are arranged at the end parts of the state display nails 151, the state display nails 151 are sleeved with state display springs 152, the status display spring 152 is located inside the base side plate.
When in use, in a braking state, the brake pedal 321 is depressed to drive the brake disc 310 to rotate to drive the brake tongue 330 to move, the rotary motion is converted into linear motion, the brake tongue 330 presses the roller brake shaft 121 to realize braking, the brake pedal 321 can be restored to the original position after external force is removed, the secondary brake release mechanism 140 normally stretches out of the side plate, the state display mechanism 150 is normally inserted into the side plate, the brake disc 310 ejects the state display mechanism 150 during braking, so that whether the brake state is realized or not can be observed from the outside, and the secondary brake release mechanism 140 plays a role in that if the primary brake release mechanism fails, the secondary release nail 141 can be pushed into the side plate to touch the brake disc 310, so that the secondary brake is rotated to a brake release position, and the two sides of the secondary brake and the brake release mechanism have the same operation capability through the power transmitted by the connecting rod.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (3)
1. The utility model provides a carousel formula aviation dining car is with brake structure directly inserted which characterized in that includes: the device comprises symmetrically arranged roller assemblies (100), wherein each group of roller assemblies (100) comprises two pairs of symmetrically arranged rollers (120), a brake assembly (300) is arranged on the upper part of each roller assembly (120), a connecting rod assembly (200) is arranged between the two brake assemblies (300), and the brake assemblies (300) transmit power through the connecting rod assemblies (200), so that one side of the brake assemblies (300) acts to brake or release all the rollers (120) at the same time;
the roller assembly (100) comprises a base (110), a roller (120) is arranged at the bottom of the base (110), a pedal installation seat is arranged in the middle of the base (110), a brake pedal (320) and a vehicle loosening pedal (321) are hinged to the pedal installation seat through pedal rotating shafts, and the brake pedal (320) and the vehicle loosening pedal (321) are respectively and elastically installed through a brake spring (324) and a vehicle loosening spring (323);
The brake assembly (300) includes: the brake disc (310), the brake disc (310) is rotationally connected with a brake mounting hole (111) on the base (110) through a disc sleeve (112), two sides of the brake disc (310) are hinged with rotating bent rods (311), the tail ends of the rotating bent rods (311) are hinged with brake tongues (330), the brake tongues (330) are sleeved with brake tongue limiting sleeves (130), the brake tongue limiting sleeves (130) are connected with the base (110), and braking is achieved when the brake tongues (330) press the tops of roller brake shafts (121) of rollers (120);
The top of the brake disc (310) is provided with a brake disc bulge (312), and the brake disc bulge (312) is contacted when the brake pedal (320) or the bicycle loosening pedal (321) is stepped on, so that the brake disc (310) rotates to realize braking or bicycle loosening;
the connecting rod assembly (200) comprises two connecting rods, the two connecting rods are respectively positioned at two sides of the brake disc (310), a connecting rod groove (210) is formed in the position, close to the brake disc (310), of each connecting rod, a transmission lug (313) is formed in the position, corresponding to the position of the connecting rod groove (210), of each brake disc (310), and the connecting rod groove (210) is installed in a matched mode with the transmission lug (313), so that power is transmitted to the other end when one end of the brake assembly (300) acts;
The outer side of the base (110) is provided with a base side plate, a brake secondary release mechanism (140) and a state display mechanism (150) are arranged on the base side plate, and the brake secondary release mechanism (140) and the state display mechanism (150) correspond to the end positions of the connecting rod;
The secondary brake release mechanism (140) comprises a secondary release nail (141), the secondary release nail (141) penetrates into the base side plate, and a secondary release stop block (143) is arranged at the end part of the secondary release nail (141);
The secondary release nail (141) is sleeved with a secondary release spring (142), and the secondary release spring (142) is positioned at the outer side of the side plate of the base;
When the rotary disc direct-insertion type aviation dining car braking structure is used, a brake pedal (321) is arranged under the pedal, a brake disc (310) is driven to rotate, a brake tongue (330) is driven to move, the rotary motion is converted into linear motion, the brake tongue (330) presses a roller brake shaft (121) to realize braking, a brake spring (324) is arranged to enable the brake pedal (321) to return to the original position after external force is removed, a brake release mechanism (140) extends out of a side plate in a normal state, a state display mechanism (150) is inserted into the side plate in a normal state, the brake disc (310) ejects the state display mechanism (150) during braking, so that whether the brake state is in a brake state or not can be observed from the outside, and the brake release mechanism (140) plays a role in that if a main release mechanism fails, a secondary release pin (141) is pushed into the side plate, thereby touching the brake disc (310) to enable the brake disc to rotate to reach a release position, thereby realizing secondary release of a car, and the brake and the two sides have the same operation capability through connecting rod transmission of power.
2. The rotary disc direct-insertion type brake structure for aviation dining car according to claim 1, wherein: the state display mechanism (150) comprises a state display nail (151), the state display nail (151) penetrates into the base side plate, and a state display stop block is arranged at the end part of the state display nail (151).
3. The rotary disc direct-insertion type brake structure for aviation dining car according to claim 2, wherein: the state display nail (151) is sleeved with a state display spring (152), and the state display spring (152) is positioned on the inner side of the side plate of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084110.5A CN109017152B (en) | 2018-09-18 | 2018-09-18 | Brake structure for turntable direct-insertion type aviation dining car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084110.5A CN109017152B (en) | 2018-09-18 | 2018-09-18 | Brake structure for turntable direct-insertion type aviation dining car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109017152A CN109017152A (en) | 2018-12-18 |
| CN109017152B true CN109017152B (en) | 2024-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811084110.5A Active CN109017152B (en) | 2018-09-18 | 2018-09-18 | Brake structure for turntable direct-insertion type aviation dining car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109017152B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114431890A (en) * | 2021-12-21 | 2022-05-06 | 上海逐影医疗设备有限公司 | Braking structure of a mobile C-arm X-ray machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5579871A (en) * | 1995-05-31 | 1996-12-03 | Lermer Corporation | Brake assembly for rollable utility carts |
| DE102008060666A1 (en) * | 2008-12-08 | 2010-06-17 | Kay-Uwe Witte | Parking brake for wheel of wheel set of trolley utilized for accommodation of e.g. trays in airplane, has brake plate and/or brake strap that is movable from locked position by adjusting unit which is arranged at or in wheel set |
| CN103448773A (en) * | 2013-08-29 | 2013-12-18 | 成都国光电气股份有限公司 | Handcart brake |
| CN205292742U (en) * | 2015-12-28 | 2016-06-08 | 无锡安铂专用设备有限公司 | Aviation handcart brake equipment |
| CN206606244U (en) * | 2017-04-01 | 2017-11-03 | 泰州华新航空备品制造有限公司 | A kind of dining car brake gear |
| CN207535963U (en) * | 2017-11-16 | 2018-06-26 | 苏州鹭翔航空设备有限公司 | The braking mechanism of dining car |
| CN208760340U (en) * | 2018-09-18 | 2019-04-19 | 中国民用航空总局第二研究所 | A brake structure for a turntable in-line type aviation dining car |
-
2018
- 2018-09-18 CN CN201811084110.5A patent/CN109017152B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5579871A (en) * | 1995-05-31 | 1996-12-03 | Lermer Corporation | Brake assembly for rollable utility carts |
| DE102008060666A1 (en) * | 2008-12-08 | 2010-06-17 | Kay-Uwe Witte | Parking brake for wheel of wheel set of trolley utilized for accommodation of e.g. trays in airplane, has brake plate and/or brake strap that is movable from locked position by adjusting unit which is arranged at or in wheel set |
| CN103448773A (en) * | 2013-08-29 | 2013-12-18 | 成都国光电气股份有限公司 | Handcart brake |
| CN205292742U (en) * | 2015-12-28 | 2016-06-08 | 无锡安铂专用设备有限公司 | Aviation handcart brake equipment |
| CN206606244U (en) * | 2017-04-01 | 2017-11-03 | 泰州华新航空备品制造有限公司 | A kind of dining car brake gear |
| CN207535963U (en) * | 2017-11-16 | 2018-06-26 | 苏州鹭翔航空设备有限公司 | The braking mechanism of dining car |
| CN208760340U (en) * | 2018-09-18 | 2019-04-19 | 中国民用航空总局第二研究所 | A brake structure for a turntable in-line type aviation dining car |
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| Publication number | Publication date |
|---|---|
| CN109017152A (en) | 2018-12-18 |
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