CN221140771U - Safety protection device for hydraulic elevator - Google Patents
Safety protection device for hydraulic elevator Download PDFInfo
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- CN221140771U CN221140771U CN202323114877.7U CN202323114877U CN221140771U CN 221140771 U CN221140771 U CN 221140771U CN 202323114877 U CN202323114877 U CN 202323114877U CN 221140771 U CN221140771 U CN 221140771U
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- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 230000003028 elevating effect Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 10
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses a hydraulic elevator safety protection device, which comprises: the device comprises a box body and a limit column, wherein a limit mechanism is arranged on the side edge of the box body, a lifting mechanism is arranged at the upper end of the box body, a speed reducing mechanism is arranged on a pipe at the upper end of the box body, the speed reducing mechanism is rotationally connected with the lifting mechanism, a slow descending mechanism is arranged at the lower end of the box body, and a supporting mechanism is connected with the bottom end of the limit column; be provided with reducing mechanism, can drive reducing mechanism and reduce speed elevating system when the device uncontrolled extremely fast decline in-process, the slow descending mechanism that sets up simultaneously extrudees the deceleration block through the air resistance who descends, rubs spacing post in the extrusion process, increases frictional force and slows down, and the supporting mechanism who sets up simultaneously supports when the device falls to the bottom surface, prevents that the device from descending violently striking.
Description
Technical Field
The utility model relates to the technical field of elevator safety protection, in particular to a hydraulic elevator safety protection device.
Background
The hydraulic elevator is an elevator which directly or indirectly moves a car through a steel wire rope by driving oil into an oil cylinder through a hydraulic power source to enable a plunger to do linear motion, but the following problems still exist in the actual use process of the existing hydraulic elevator:
The hydraulic elevator safety protection device disclosed by the patent number CN201820012986.8 is characterized in that a second oil cylinder and an adjusting piece are added between an existing oil tank and an oil cylinder when the oil tank is leaked, the second oil cylinder is influenced by pressure earlier than the first oil cylinder, so that a second piston inside the second oil cylinder descends to pull up a clamping plate, a pipeline between the second oil cylinder and the first oil cylinder is blocked, the pressure change of the first oil cylinder is avoided, safety protection is realized, the whole device is simple in structure, high in practicability and high in sensitivity, and is suitable for popularization and use, an anti-falling mechanism is not arranged in the use process of the device, machine ageing can occur in the long-term use process of the device, looseness is caused, the long-term use has a falling risk, and uncertainty exists for potential safety hazards of riding personnel.
Disclosure of utility model
The utility model aims to provide a hydraulic elevator safety protection device to solve the problems in the background art.
In order to solve the technical problems, the utility model provides the following technical scheme: hydraulic elevator safety device, comprising: the box and spacing post, the box side is provided with stop gear, the box upper end is provided with elevating system, the box upper end pipe is provided with reduction gears, reduction gears rotates with elevating system and is connected, the box lower extreme is provided with slowly falls the mechanism, spacing post bottom is connected with supporting mechanism.
Further, the limiting mechanism comprises limiting columns, and 4 limiting columns are arranged on the side edge of the box body in an equal angle mode.
Further, elevating system includes connecting plate, hydraulic pulley, first connecting block, head rod, chuck and steel cable, 4 spacing post upper end is connected with the connecting plate, the connecting plate is provided with hydraulic pulley, the box upper end is provided with 4 first connecting blocks with box midpoint symmetry, 2 rotate between the first connecting block and be connected with the head rod, the head rod is connected with the chuck, the chuck winding has the steel cable, the steel cable is connected with hydraulic pulley.
Further, reduction gears includes second connecting block, draw-in groove, second connecting rod, spacing dish, first rotating block, first spring post and first tooth piece, the box upper end is provided with the second connecting block inside 2 draw-in grooves of having seted up with second connecting block midpoint symmetry, the draw-in groove rotates and is connected with 2 second connecting rods, second connecting rod side rotates and is connected with spacing dish and first rotating block, first rotating block side equiangular degree has seted up the recess, the inside equidistance of recess is provided with first spring post, first spring post end-to-end connection first tooth piece, the fixture block is connected to the draw-in groove side, the fixture block is connected with the threaded rod, threaded rod threaded connection second rotating block, second rotating block side equiangular degree is provided with the second tooth piece.
Further, the fixture block is connected to the draw-in groove side, the fixture block is connected with the threaded rod, threaded rod threaded connection second rotating block, second rotating block side equiangle is provided with the second tooth piece.
Further, slowly, fall mechanism includes first casing, first piston rod, baffle, second spring post, stopper, air vent and deceleration strip, the box lower extreme is connected with first casing, first casing lower extreme sliding connection has first piston rod, the inside baffle that is provided with of first casing, the venthole has been seted up to the baffle, the baffle upper end is provided with the stopper, stopper side equidistance leaves and is equipped with the air vent, first casing side sliding connection has the deceleration strip.
Further, the supporting mechanism comprises a bottom plate, a second shell, a second piston rod, a third spring column and a fourth spring column, wherein 4 limiting columns are connected with the bottom plate, the second shell is arranged on the upper surface of the bottom plate, the second piston rod is connected to the upper end of the second shell in a sliding mode, the fourth spring column is arranged on the side edge of the second piston rod, the third spring column is arranged inside the second shell, and the tail end of the third spring column is connected with the bottom surface of the second piston rod.
Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with the speed reducing mechanism, when the device is not controlled to descend at the extreme speed, the speed reducing mechanism can be driven to reduce the speed of the lifting mechanism, meanwhile, the slow descending mechanism is arranged to extrude the speed reducing block through descending air resistance, the limit column is rubbed in the extrusion process, the friction force is increased to reduce the speed, and meanwhile, the supporting mechanism is arranged to support when the device descends to the bottom surface, so that the device is prevented from descending and violently impacting.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic perspective view of the elevating mechanism of the present utility model;
FIG. 3 is a schematic perspective view of a reduction mechanism according to the present utility model;
FIG. 4 is a schematic perspective view of a first rotating block according to the present utility model;
FIG. 5 is a schematic perspective view of a spacing mechanism according to the present utility model;
FIG. 6 is a schematic perspective view of a descent control device according to the present utility model;
Fig. 7 is a schematic perspective view of the supporting mechanism of the present utility model.
In the figure: 1. a case; 2. a limit column; 3. a connecting plate; 4. a hydraulic pulley; 5. a first connection block; 6. a first connecting rod; 7. a chuck; 8. a steel rope; 9. a second connection block; 10. a clamping groove; 11. a second connecting rod; 12. a limiting disc; 13. a first rotating block; 14. a first spring post; 15. a first tooth block; 16. a clamping block; 17. a threaded rod; 18. a second rotating block; 19. a second tooth block; 20. a first housing; 21. a first piston rod; 22. a partition plate; 23. a second spring post; 24. a limiting block; 25. a vent hole; 26. a deceleration block; 27. a bottom plate; 28. a second housing; 29. a second piston rod; 30. a third spring post; 31. and a fourth spring post.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 7, the present utility model provides the following technical solutions: hydraulic elevator safety device, comprising: the device comprises a box body 1 and a limiting column 2, wherein a limiting mechanism is arranged on the side edge of the box body 1, a lifting mechanism is arranged at the upper end of the box body 1, a speed reducing mechanism is arranged on an upper end tube of the box body 1 and is rotationally connected with the lifting mechanism, a slow descending mechanism is arranged at the lower end of the box body 1, a supporting mechanism is connected at the bottom end of the limiting column 2, when the device is used, the box body 1 is limited through the limiting mechanism in the use process, lifting is carried out through the lifting mechanism, when the device falls down at a high speed, the speed is reduced through the speed reducing mechanism, meanwhile, the box body 1 is reduced through the slow descending mechanism, and when the device reaches the bottom end, the supporting mechanism can be used for reducing and supporting.
The limiting mechanism comprises limiting columns 2, 4 limiting columns 2 are arranged on the side edges of the box body 1 in an equal angle mode, and when the device is used, the box body 1 is limited through the limiting columns 2.
The lifting mechanism comprises a connecting plate 3, a hydraulic pulley 4, first connecting blocks 5, first connecting rods 6, chucks 7 and steel ropes 8, wherein the connecting plate 3 is connected to the upper ends of the 4 limiting columns 2, the hydraulic pulley 4 is arranged on the connecting plate 3, 4 first connecting blocks 5 are symmetrically arranged at the middle point of the box 1 at the upper end of the box 1, the first connecting rods 6 are connected between the 2 first connecting blocks 5 in a rotating mode, the chucks 7 are connected with the first connecting rods 6, the steel ropes 8 are wound on the chucks 7, the steel ropes 8 are connected with the hydraulic pulleys 4, and when the lifting mechanism is used, the steel ropes 8 are pulled to rotate at the side edges of the chucks 7 by starting the hydraulic pulleys 4, so that the box 1 can lift.
The speed reducing mechanism comprises a second connecting block 9, clamping grooves 10, a second connecting rod 11, a limiting disc 12, a first rotating block 13, a first spring column 14 and a first tooth block 15, wherein 2 clamping grooves 10 are symmetrically formed in the second connecting block 9 of the second connecting block 9 at the midpoint of the second connecting block 9, the clamping grooves 10 are rotationally connected with 2 second connecting rods 11, the side edges of the second connecting rods 11 are rotationally connected with the limiting disc 12 and the first rotating block 13, grooves are formed in the side edges of the first rotating block 13 at equal angles, the first spring column 14 is arranged in the grooves at equal intervals, the end of the first spring column 14 is connected with the first tooth block 15, clamping blocks 16 are connected with threaded rods 17, the threaded rods 17 are connected with the second rotating block 18, the side edges of the second rotating block 18 are provided with second tooth blocks 19 at equal angles, when the device is used, the device is rapidly lowered, the limiting disc 12 arranged in the second connecting block 9 is driven to rapidly rotate through a steel rope 8, the first rotating block 13 is driven to rotate when the rotating speed of the limiting disc 12 is rapidly rotated, and the first rotating block 13 is thrown out of the first tooth block 15 through inertia.
The fixture block 16 is connected to draw-in groove 10 side, and fixture block 16 is connected with threaded rod 17, and threaded rod 17 threaded connection second rotating block 18, second rotating block 18 side equi-angle are provided with second tooth piece 19, when the device when using, first tooth piece 15 throws away the back and the second tooth piece 19 meshing that sets up with second rotating block 18 side, drives second rotating block 18 at threaded rod 17 side threaded rotation, rubs steel cable 8, increases frictional force and makes the device decline speed slow.
The slow descending mechanism comprises a first shell 20, a first piston rod 21, a partition 22, a second spring column 23, a limiting block 24, vent holes 25 and a speed reducing block 26, wherein the lower end of a box body 1 is connected with the first shell 20, the lower end of the first shell 20 is slidably connected with the first piston rod 21, the partition 22 is arranged inside the first shell 20, an air outlet hole is formed in the partition 22, the limiting block 24 is arranged at the upper end of the partition 22, the vent holes 25 are formed in equidistant separation of the side edges of the limiting block 24, the speed reducing block 26 is slidably connected with the side edges of the first shell 20, when the device is used, the device pushes the first piston rod 21 through rapidly descending air resistance in the rapid descending process, the first piston rod 21 extrudes the first shell 20, liquid in the first shell 20 pushes the speed reducing block 26 to stretch out of the contact limiting column 2 to perform friction, secondary speed reduction is performed, and the device is reset through the second spring column 23 after the speed reduction.
The supporting mechanism comprises a bottom plate 27, a second shell 28, a second piston rod 29, a third spring column 30 and a fourth spring column 31, wherein the bottom end of each 4 limiting columns 2 is connected with the bottom plate 27, the second shell 28 is arranged on the upper surface of the bottom plate 27, the upper end of each second shell 28 is connected with the second piston rod 29 in a sliding mode, the fourth spring column 31 is arranged on the side edge of each second piston rod 29, the third spring column 30 is arranged in each second shell 28, the tail end of each third spring column 30 is connected with the bottom surface of each second piston rod 29, when the device is used, the device descends to the bottom end and then supports and extrudes the first piston rod 21 through the second piston rod 29 on the upper end of each second shell 28, descending impact force is slowed down, and casualties caused by strong impact are avoided.
The working principle of the utility model is as follows: firstly, limiting the box body 1 through a limiting column 2, and then, starting a hydraulic pulley 4 to pull a steel rope 8 to rotate at the side edge of a chuck 7, so that the box body 1 is lifted;
When the device drops rapidly, the limiting disc 12 arranged in the second connecting block 9 is driven to rotate rapidly through the steel rope 8, the first rotating block 13 is driven to rotate when the rotating speed of the limiting disc 12 is increased, the first tooth block 15 is thrown out through inertia, the first tooth block 15 is meshed with the second tooth block 19 arranged on the side edge of the second rotating block 18 after being thrown out, the second rotating block 18 is driven to rotate in a threaded manner on the side edge of the threaded rod 17, the steel rope 8 is rubbed, and the friction force is increased to enable the dropping speed of the device to be reduced;
Meanwhile, in the rapid descending process, the device pushes the first piston rod 21 through rapidly descending air resistance, the first piston rod 21 extrudes the inside of the first shell 20, liquid in the first shell 20 pushes the deceleration block 26 to extend out of the contact limiting column 2 for friction, secondary deceleration is carried out, and the speed is reset through the second spring column 23 after the speed is reduced;
The device is supported and extruded to the first piston rod 21 through the second piston rod 29 at the upper end of the second shell 28 after being lowered to the bottom end, so that the lowering impact force is slowed down, and the injury and death caused by strong impact are avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. Hydraulic elevator safety device, comprising: box (1) and spacing post (2), its characterized in that: the utility model discloses a box, including box (1), supporting mechanism, stop post (2) bottom, stop mechanism is provided with box (1) side, box (1) upper end is provided with stop mechanism, box (1) upper end is provided with elevating system, the upper end pipe of box (1) is provided with reducing mechanism, reducing mechanism rotates with elevating system to be connected, box (1) lower extreme is provided with slowly falls the mechanism, spacing post (2) bottom is connected with supporting mechanism.
2. The hydraulic elevator safety device of claim 1, wherein: the limiting mechanism comprises limiting columns (2), and 4 limiting columns (2) are arranged on the side edge of the box body (1) at equal angles.
3. The hydraulic elevator safety device of claim 1, wherein: elevating system includes connecting plate (3), hydraulic pulley (4), first connecting block (5), head rod (6), chuck (7) and steel cable (8), 4 spacing post (2) upper end is connected with connecting plate (3), connecting plate (3) are provided with hydraulic pulley (4), box (1) upper end is provided with 4 head rod (5) with box (1) midpoint symmetry, 2 rotation is connected with head rod (6) between head rod (5), head rod (6) are connected with chuck (7), chuck (7) winding has steel cable (8), steel cable (8) connect hydraulic pulley (4).
4. The hydraulic elevator safety device of claim 1, wherein: the speed reducing mechanism comprises a second connecting block (9), a clamping groove (10), a second connecting rod (11), a limiting disc (12), a first rotating block (13), a first spring column (14) and a first tooth block (15), wherein the second connecting block (9) is arranged at the upper end of the box body (1), 2 clamping grooves (10) are symmetrically arranged at the middle points of the second connecting block (9) inside the second connecting block (9), 2 second connecting rods (11) are rotationally connected to the clamping groove (10), the limiting disc (12) and the first rotating block (13) are rotationally connected to the side edges of the second connecting rod (11), grooves are formed in the side edges of the first rotating block (13) at equal angles, the first spring column (14) is arranged at the inner equal intervals, the first tooth block (15) is connected to the end of the first spring column (14), the side edges of the clamping groove (10) are connected with threaded rods (17), the second rotating block (18) is in threaded connection with threaded rods (17), and the second rotating block (18) is provided with second clamping blocks (19) at equal angles.
5. The hydraulic elevator safety device of claim 1, wherein: the slow descending mechanism comprises a first shell (20), a first piston rod (21), a partition plate (22), a second spring column (23), a limiting block (24), a vent hole (25) and a speed reducing block (26), wherein the lower end of the box body (1) is connected with the first shell (20), the lower end of the first shell (20) is slidably connected with the first piston rod (21), the partition plate (22) is arranged inside the first shell (20), the partition plate (22) is provided with a vent hole, the upper end of the partition plate (22) is provided with the limiting block (24), the vent holes (25) are formed in the side edges of the limiting block (24) in an equidistant mode, and the speed reducing block (26) is slidably connected with the side edges of the first shell (20).
6. The hydraulic elevator safety device of claim 1, wherein: the supporting mechanism comprises a bottom plate (27), a second shell (28), a second piston rod (29), a third spring column (30) and a fourth spring column (31), wherein 4 bottom ends of the limiting columns (2) are connected with the bottom plate (27), the second shell (28) is arranged on the upper surface of the bottom plate (27), the second piston rod (29) is slidably connected to the upper end of the second shell (28), the fourth spring column (31) is arranged on the side edge of the second piston rod (29), the third spring column (30) is arranged inside the second shell (28), and the end of the third spring column (30) is connected with the bottom surface of the second piston rod (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323114877.7U CN221140771U (en) | 2023-11-19 | 2023-11-19 | Safety protection device for hydraulic elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323114877.7U CN221140771U (en) | 2023-11-19 | 2023-11-19 | Safety protection device for hydraulic elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221140771U true CN221140771U (en) | 2024-06-14 |
Family
ID=91430460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323114877.7U Active CN221140771U (en) | 2023-11-19 | 2023-11-19 | Safety protection device for hydraulic elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221140771U (en) |
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2023
- 2023-11-19 CN CN202323114877.7U patent/CN221140771U/en active Active
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