CN2401526Y - Fixing type mechanical width-changeable ramp - Google Patents
Fixing type mechanical width-changeable ramp Download PDFInfo
- Publication number
- CN2401526Y CN2401526Y CN 00201757 CN00201757U CN2401526Y CN 2401526 Y CN2401526 Y CN 2401526Y CN 00201757 CN00201757 CN 00201757 CN 00201757 U CN00201757 U CN 00201757U CN 2401526 Y CN2401526 Y CN 2401526Y
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- table top
- main
- main table
- contained
- ratchet
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Abstract
The utility model relates to a fixing mechanical width changing boarding bridge which comprises a base, a main hinge seat, a main table surface, a guard plate, a turning plate, a push rod, a U-shaped screw bolt, a driving rod, a following spring, a main tension spring, a braking device, a guide plate, a steel wire rope, a pull ring and a ring chain, wherein, the head of the push rod is hinged with the middle part of the bottom surface of the turning plate, the tail of the push rod is hinged with the upper end of the driving rod, the upper part of the driving rod is hinged with the middle part of the bottom surface of the main table surface, and a rolling wheel on the lower part of the driving rod contacts the top surface of the guide plate. The utility model has the advantages of simple structure, low cost, convenient operation, convenient maintenance, wide application ranges, etc.
Description
The utility model relates to a kind of stationary machine luffing and steps on vehicle bridge, and it belongs to a kind of fixed type loading and unloading logistics equipment.
Existing hydraulic luffing is stepped on vehicle bridge, and the luffing action of its main table top is realized that by oil cylinder its base is provided with hydraulic power unit and electric control system.In the working environments such as, abrasive explosion-proof, when in grain depot, cotton-spinning fabric warehouse, using, then stricter performance requriements has been proposed for hydraulic power unit and electric control system at ask for something.So just certainly will increase manufacturing cost, and the complete machine maintenance is comparatively difficult.
The purpose of this utility model provides a kind of electrofluidic control device simple in structure, no and the low stationary machine luffing of productive costs is stepped on vehicle bridge.
Task of the present utility model is achieved in that this luffing steps on vehicle bridge and comprise base, main free bearing, main table top, backplate and turnover panel, both sides at the top, rear end of base respectively are provided with a main free bearing, the rear end of main table top and main free bearing are hinged, its front end and turnover panel are hinged, backplate is located at the both sides of main table top, and wherein it also comprises push rod, clevis bolt, drive spindle, follower spring, main extension spring, brake equipment, guide plate, steel rope, draw ring and loop chain; The middle part of the head of push rod and turnover panel bottom surface is hinged, the afterbody of push rod and the upper end of drive spindle are hinged, the middle part of the top of drive spindle and main table top bottom surface is hinged, the roller of drive spindle bottom contacts with the end face of guide plate, clevis bolt is located at the both sides at drive spindle middle part, the front end of main extension spring links with clevis bolt through an axle that passes clevis bolt, the rear end of main extension spring links with the axle that is located at rear portion, main table top bottom surface, brake equipment is located at the rear portion of base, guide plate is located at the front middle part of base, one end of steel rope and the sheave of brake equipment connect firmly, the other end by being installed in base front end inboard pulley and the pulley of main table top front bottom end connect with follower spring, the other end of follower spring is contained on the bottom surface of main table top, draw ring is inlaid in the rear portion of main table top and connects with an end of loop chain, and the other end of loop chain connects with the ratchet of brake equipment.
Above-mentioned brake equipment is made up of guard shield, ratchet, ratchet, clockwork spring, sheave, support, bearing, anchor shaft and base plate, clockwork spring is contained in a side at sheave center, bearing is contained in the opposite side at sheave center, sheave is contained on the same anchor shaft by bearing and ratchet, anchor shaft is contained on the support, support is contained in the middle part of base plate, and ratchet is contained on the base plate of ratchet lower left and with ratchet and contacts, and guard shield is contained on the base plate.
Because the utility model adopted technique scheme, therefore compare with background technology, have simple in structurely, cost is low, and working service is easy, advantages such as applied range.Use in the place that is particularly suitable for explosion-proof and abrasive.
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A cutaway view among Fig. 1;
Fig. 3 is the structural representation of brake equipment;
Fig. 4 is the B-B cutaway view among Fig. 3.
As depicted in figs. 1 and 2, mechanical luffing in the present embodiment is stepped on vehicle bridge, it comprises a base 11 of being made by shaped steel, the main table top of making by checkered steel plate 6, main twisted seat 10, backplate 3 and turnover panel 1, both sides at the top, rear end of base 11 respectively are provided with a main free bearing 10, the rear end of main table top 6 and main free bearing 10 are hinged, its front end and turnover panel 1 are hinged, backplate 3 is located at the both sides of main table top 6, and wherein it also comprises telescopic push rod 2, clevis bolt 4, drive spindle 5, follower spring 7, main extension spring 8, brake equipment 12, guide plate 13, steel rope 14, draw ring 16 and loop chain 17; The middle part of the head of push rod 2 and turnover panel 1 bottom surface is hinged, and the upper end of the afterbody of push rod 2 and drive spindle 5 is hinged, and the middle part of the top of drive spindle 5 and main table top 6 bottom surfaces is hinged, and the roller of drive spindle 5 bottoms contacts with the end face of guide plate 13, and can roll along guide plate 13; 2 clevis bolts 4 are located at the both sides at drive spindle 5 middle parts, the front end of main extension spring 8 links with clevis bolt 4 through an axle that passes clevis bolt 4, the rear end of main extension spring 8 links with the axle 9 that is located at rear portion, main table top 6 bottom surface, brake equipment 12 is located at the rear portion of base 11, guide plate 13 is located at the front middle part of base 11, one end of steel rope 14 and the sheave of brake equipment 12 connect firmly, the other end by being installed in base 11 front end inboards pulley 15 and the pulley of main table top 6 front bottom end connect with follower spring 7, the other end of follower spring 7 is contained on the bottom surface of main table top 6, draw ring 16 is inlaid in the rear portion of main table top 6 and connects with an end of loop chain 17, and the other end of loop chain 17 connects with the ratchet of brake equipment 12.
As shown in Figure 3 and Figure 4, brake equipment is made up of guard shield 18, ratchet 20, ratchet 21, clockwork spring 23, sheave 24, support 26, bearing 25, anchor shaft 22 and base plate 19, clockwork spring 23 is contained in a side at sheave 24 centers, bearing 25 is contained in the opposite side at sheave 24 centers, sheave 24 is contained on the same anchor shaft 22 by bearing 25 and ratchet 21, anchor shaft 22 is contained on the support 26, support 26 is contained in the middle part of base plate 19, ratchet 20 is contained on the base plate 19 of ratchet 21 lower lefts and with ratchet 21 and contacts, and guard shield 18 is contained on the base plate 19.
Principle of work of the present utility model is: the operating personal pull-up is located at the draw ring of main table top rear end, make the ratchet in the brake equipment throw off ratchet, main extension spring pulling drive spindle under the main table top hoists main table top, and drive spindle opens turnover panel by flexible push rod gradually.When turnover panel front end lifting altitude surpasses the wagon box base plate, unclamp draw ring, then ratchet resets, and makes the ratchet braking, and the sheave that connects firmly with ratchet stops operating, and then main table top also stops action under the affecting of steel rope.After wagon box stopped and puts in place, operating personal moved towards front end from main table top rear end, depresses main table top by deadweight, and turnover panel continues to open after touching the wagon box base plate, until being overlapped on fully on the cabin floor; Slack-free clockwork spring in the brake equipment resets and makes sheave, ratchet counter-rotating simultaneously, makes steel rope be in tension all the time, and after operating personal was gone down main table top, main table top can not hoist, and can carry out loading and unloading operation this moment.After operation finishes, pull-up draw ring again, main table top hoists, the lorry that drives away after turnover panel front end height surpasses goods platform plane, unclamps draw ring, after the main table top braking, operating personal is gone on main table top from main table top rear end, makes main table top revert to the initial level state, and the while turnover panel is hang and becomes 90 ° of angles with main table top.
Claims (2)
1, a kind of stationary machine luffing is stepped on vehicle bridge, it comprises base, main free bearing, main table top, backplate and turnover panel, both sides at the top, rear end of base respectively are provided with a main free bearing, the rear end of main table top and main free bearing are hinged, its front end and turnover panel are hinged, backplate is located at the both sides of main table top, it is characterized in that: further comprising push rod, clevis bolt, drive spindle, follower spring, main extension spring, brake equipment, guide plate, steel rope, draw ring and loop chain; The middle part of the head of push rod and turnover panel bottom surface is hinged, the afterbody of push rod and the upper end of drive spindle are hinged, the middle part of the top of drive spindle and main table top bottom surface is hinged, the roller of drive spindle bottom contacts with the end face of guide plate, clevis bolt is located at the both sides at drive spindle middle part, the front end of main extension spring links with clevis bolt through an axle that passes clevis bolt, the rear end of main extension spring links with the axle that is located at rear portion, main table top bottom surface, brake equipment is located at the rear portion of base, guide plate is located at the front middle part of base, one end of steel rope and the sheave of brake equipment connect firmly, the other end by being installed in base front end inboard pulley and the pulley of main table top front bottom end connect with follower spring, the other end of follower spring is contained on the bottom surface of main table top, draw ring is inlaid in the rear portion of main table top and connects with an end of loop chain, and the other end of loop chain connects with the ratchet of brake equipment.
2, a kind of stationary machine luffing according to claim 1 is stepped on vehicle bridge, it is characterized in that: described brake equipment is made up of guard shield, ratchet, ratchet, clockwork spring, sheave, support, bearing, anchor shaft and base plate, clockwork spring is contained in a side at sheave center, bearing is contained in the opposite side at sheave center, sheave is contained on the same anchor shaft by bearing and ratchet, anchor shaft is contained on the support, support is contained in the middle part of base plate, ratchet is contained on the base plate of ratchet lower left and with ratchet and contacts, and guard shield is contained on the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00201757 CN2401526Y (en) | 2000-01-08 | 2000-01-08 | Fixing type mechanical width-changeable ramp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00201757 CN2401526Y (en) | 2000-01-08 | 2000-01-08 | Fixing type mechanical width-changeable ramp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2401526Y true CN2401526Y (en) | 2000-10-18 |
Family
ID=33570945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00201757 Expired - Fee Related CN2401526Y (en) | 2000-01-08 | 2000-01-08 | Fixing type mechanical width-changeable ramp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2401526Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973225A (en) * | 2010-09-30 | 2011-02-16 | 连云港天明装备有限公司 | Hydraulic slowly-decreasing dock leveller |
| CN1993280B (en) * | 2004-07-29 | 2011-05-11 | 莱特-海特控股公司 | Formed front header for a dock leveler |
| CN1926034B (en) * | 2003-12-22 | 2011-05-11 | 莱特-海特控股公司 | Brace system and method for a vehicle at a loading dock |
| CN102530586A (en) * | 2012-01-18 | 2012-07-04 | 济南华北升降平台制造有限公司 | Fixed dock ramp |
| CN104724464A (en) * | 2015-03-25 | 2015-06-24 | 许昌远方工贸有限公司 | Auxiliary supporting rod for dumper conveyor |
| CN110936212A (en) * | 2019-12-13 | 2020-03-31 | 泰州职业技术学院 | Positioning rotary table feeding mechanism |
-
2000
- 2000-01-08 CN CN 00201757 patent/CN2401526Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1926034B (en) * | 2003-12-22 | 2011-05-11 | 莱特-海特控股公司 | Brace system and method for a vehicle at a loading dock |
| CN1993280B (en) * | 2004-07-29 | 2011-05-11 | 莱特-海特控股公司 | Formed front header for a dock leveler |
| CN101973225A (en) * | 2010-09-30 | 2011-02-16 | 连云港天明装备有限公司 | Hydraulic slowly-decreasing dock leveller |
| CN102530586A (en) * | 2012-01-18 | 2012-07-04 | 济南华北升降平台制造有限公司 | Fixed dock ramp |
| CN104724464A (en) * | 2015-03-25 | 2015-06-24 | 许昌远方工贸有限公司 | Auxiliary supporting rod for dumper conveyor |
| CN110936212A (en) * | 2019-12-13 | 2020-03-31 | 泰州职业技术学院 | Positioning rotary table feeding mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |