CN220449452U - Safety protection device for hydraulic elevator - Google Patents
Safety protection device for hydraulic elevator Download PDFInfo
- Publication number
- CN220449452U CN220449452U CN202322164345.8U CN202322164345U CN220449452U CN 220449452 U CN220449452 U CN 220449452U CN 202322164345 U CN202322164345 U CN 202322164345U CN 220449452 U CN220449452 U CN 220449452U
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- Prior art keywords
- oil cylinder
- hydraulic elevator
- cylinder
- sealing sleeve
- ring
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- 238000007789 sealing Methods 0.000 claims abstract description 34
- 239000003921 oil Substances 0.000 abstract description 74
- 239000010720 hydraulic oil Substances 0.000 abstract description 11
- 230000001681 protective effect Effects 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of hydraulic elevator safety protection, in particular to a hydraulic elevator safety protection device, which comprises: the elevator comprises a first oil cylinder, wherein a second oil cylinder is arranged on one side of the first oil cylinder, a piston rod is connected inside the first oil cylinder in a sliding manner, and one side of the piston rod extends out of the first oil cylinder and is fixedly connected with a lift car; the protection conveying mechanism is used for protecting the hydraulic elevator and is arranged in the first oil cylinder and the second oil cylinder; the waterproof conveying mechanism comprises a protection assembly arranged inside the first oil cylinder and the second oil cylinder; if the first oil cylinder or the second oil cylinder leaks, the height of hydraulic oil in the cylinder is reduced, at the moment, adjacent movable rings synchronously move, and the movable rings synchronously drive corresponding sealing sleeves to move when moving, so that the sealing sleeves move the leaking position, at the moment, the internal pressure presses the sealing sleeves to tightly seal the leaking position, and the leaking position can be sealed and protected very conveniently.
Description
Technical Field
The utility model relates to the technical field of hydraulic 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 enabling oil to enter an oil cylinder through a hydraulic power source to enable a plunger to do linear motion, hydraulic oil is used for moving the elevator back and forth between the two oil cylinders, and the hydraulic oil is used for pushing the elevator to do lifting motion, but if the oil cylinder is in pressure leakage, the pressure in the oil cylinder is unbalanced, so that the car is free of pressure support and falls to cause casualties.
Accordingly, hydraulic elevator safety devices have been proposed to address the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the problems and provide the hydraulic elevator safety protection device, so that the problem that if the oil cylinder leaks in pressure, the pressure in the oil cylinder is unbalanced, and the lift car falls down without pressure support to cause casualties is solved.
The utility model realizes the aim through the following technical scheme, and the hydraulic elevator safety protection device comprises: the elevator comprises a first oil cylinder, wherein a second oil cylinder is arranged on one side of the first oil cylinder, a piston rod is connected inside the first oil cylinder in a sliding manner, and one side of the piston rod extends out of the first oil cylinder and is fixedly connected with a lift car; the protection conveying mechanism is used for protecting the hydraulic elevator and is arranged in the first oil cylinder and the second oil cylinder; the waterproof conveying mechanism comprises a protective component arranged inside a first oil cylinder and a second oil cylinder, a conveying component is arranged between the first oil cylinder and the second oil cylinder, when pressure leakage occurs on the surfaces of the first oil cylinder and the second oil cylinder through the protective component, the hydraulic oil inside the first oil cylinder and the second oil cylinder moves to drive the protective component to move to the pressure leakage position, the leakage position can be protected and sealed through the protective component, the waterproof conveying mechanism is quite convenient and fast, and hydraulic oil inside the first oil cylinder and the second oil cylinder can be transferred and adjusted through the conveying component, so that the lift of a lift car is controlled.
Preferably, the protection subassembly is including sliding mounting at a plurality of expansion rings of first hydro-cylinder and second hydro-cylinder inside, the inside of expansion ring is provided with the air chamber, the bottom fixedly connected with seal cover of expansion ring, the seal cover, if first hydro-cylinder or second hydro-cylinder take place when leaking, hydraulic oil highly descends in the jar, at this moment adjacent expansion ring synchronous movement, the expansion ring moves corresponding seal cover when moving in step, leaks out the seal cover removal, and at this moment inside pressure extrusion seal cover offsets tightly with the pressure leakage department and seals, can seal the pressure leakage department and protect, very convenient.
Preferably, the protection assembly further comprises a supporting ring fixedly installed on the inner side of the sealing sleeve, the bottom of the sealing sleeve is fixedly connected with a driving ring, the driving ring is located on the outer side of the supporting ring and can support one side of the bottom of the sealing sleeve through the supporting ring, and one side of the bottom of the driving ring driving sealing sleeve can be pushed to be in contact with the inner wall of a corresponding oil cylinder, so that the sealing sleeve has a better effect in use.
Preferably, the limiting rings are fixedly arranged in the first oil cylinder and the second oil cylinder, and are positioned above the conveying assembly, and the limiting rings can limit the movement of the protecting assembly, so that the protecting assembly is prevented from shielding the conveying assembly.
Preferably, the conveying assembly comprises a first conveying pipe fixedly arranged on one side of the second oil cylinder, a second conveying pipe is connected between the first oil cylinder and the second oil cylinder, connecting ports are formed in two sides of the second oil cylinder, the connecting ports on two sides are respectively connected with the first conveying pipe and the second conveying pipe, an external oil tank is used for carrying out infusion and liquid pumping on the first oil cylinder and the second oil cylinder through the first conveying pipe, and therefore the lifting of a lift car is very convenient and fast by adjusting the pressure inside the first oil cylinder and the second oil cylinder.
Preferably, the sealing sleeve is in a circular ring shape, the outer ring of the sealing sleeve is in an arc shape, and the sealing sleeve can pass through the arc-shaped sealing sleeve, so that the sealing sleeve is not contacted with the inner wall of the oil cylinder when pressure is not leaked, and friction of the sealing sleeve in moving is reduced.
Preferably, the limiting rings are located above the two connecting ports, the shape of each limiting ring is matched with that of the driving ring, and the driving ring can be conveniently and quickly supported by contacting the limiting rings when falling through the matched limiting rings.
The beneficial effects of the utility model are as follows:
through setting up the protection subassembly, if first hydro-cylinder or second hydro-cylinder take place to leak, hydraulic oil highly descends in the jar, and adjacent expansion ring synchronization is removed at this moment, and the expansion ring moves corresponding seal cover of synchronous drive and moves when moving, with seal cover removal pressure-leaking department, at this moment inside pressure extrusion seal cover and pressure-leaking department offset tight seal, can seal the pressure-leaking department protection, very convenient;
through setting up conveying assembly, outside oil tank infuses and takes out liquid to first hydro-cylinder and second hydro-cylinder through first conveyer pipe to adjust the inside pressure of first hydro-cylinder and second hydro-cylinder and come the lift ten minutes convenient to the car.
Drawings
FIG. 1 is a schematic diagram of the main structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a second cylinder according to the present utility model;
FIG. 3 is a schematic view of a protective component according to the present utility model;
fig. 4 is a schematic structural view of a stop collar according to the present utility model.
In the figure: 1. a first cylinder; 101. a second cylinder; 102. a piston rod; 103. a car; 2. a protective assembly; 201. a movable ring; 202. an air chamber; 203. sealing sleeve; 204. a support ring; 205. a drive ring; 206. a limiting ring; 3. a transport assembly; 301. a first delivery tube; 302. a connection port; 303. and a second delivery pipe.
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.
The specific implementation method comprises the following steps: as shown in fig. 1-4, a hydraulic elevator safety device includes: the elevator comprises a first oil cylinder 1, wherein a second oil cylinder 101 is arranged on one side of the first oil cylinder 1, a piston rod 102 is connected in the first oil cylinder 1 in a sliding manner, and one side of the piston rod 102 extends out of the first oil cylinder 1 and is fixedly connected with a car 103; the protection conveying mechanism is used for protecting the hydraulic elevator and is arranged in the first oil cylinder 1 and the second oil cylinder 101; wherein, waterproof conveying mechanism is including setting up in the inside protective component 2 of first hydro-cylinder 1 and second hydro-cylinder 101, be provided with between first hydro-cylinder 1 and the second hydro-cylinder 101 and carry subassembly 3, when pressure leakage takes place on the surface of first hydro-cylinder 1 and second hydro-cylinder 101 through protective component 2, at this moment the inside hydraulic oil of first hydro-cylinder 1 and second hydro-cylinder 101 removes and drives protective component 2 and remove to pressure leakage department and can carry out the protection seal to leakage department through protective component 2, it is very convenient, can shift the regulation to the inside hydraulic oil of first hydro-cylinder 1 and second hydro-cylinder 101 through very carry subassembly 3, thereby control car 103 goes up and down.
As shown in fig. 2-4, the protection component 2 includes a plurality of loose rings 201 that slidable mounting is in the inside of first hydro-cylinder 1 and second hydro-cylinder 101, the inside of loose ring 201 is provided with air chamber 202, the bottom fixedly connected with seal cover 203 of loose ring 201, seal cover 203, the inside air chamber 202 of a plurality of loose rings 201 is filled with different volume liquid, thereby make the showy height of a plurality of loose rings 201 different, if first hydro-cylinder 1 or second hydro-cylinder 101 take place to leak, hydraulic oil highly descends in the jar, at this moment adjacent loose rings 201 synchronous movement, the loose rings 201 move corresponding seal cover 203 in step when moving, move the pressure department that leaks with seal cover 203, at this moment inside pressure extrusion seal cover 203 offsets tightly with the pressure department and seals, can seal the pressure department that leaks, very convenient, protection component 2 still includes the support ring 204 of fixed mounting in seal cover 203, the bottom fixedly connected with driving ring 205 of seal cover 203, the driving ring 205 is located the outside of support ring 204, can support through support ring 204 to the bottom one side of 203, if the bottom side of driving ring 205 can make corresponding seal cover 203 can be moved with seal cover 206, can make the seal cover 206 and can be better in the side of the inside of the protection component 2 when carrying component 2 is located at the side of the fixed component 2, and the protection component is located at the fixed 2, and the limit component is better in the limit of the limit component 2, can be kept off at the limit component 2 when moving, and the limit component is 3 when can be moved.
As shown in fig. 2-4, the conveying assembly 3 includes a first conveying pipe 301 fixedly installed at one side of the second oil cylinder 101, two sides of the second oil cylinder 101, which are connected with a second conveying pipe 303 between the first oil cylinder 1 and the second oil cylinder 101, are respectively provided with connecting ports 302, the connecting ports 302 at the two sides are respectively connected with the first conveying pipe 301 and the second conveying pipe 303, and the first oil cylinder 1 and the second oil cylinder 101 can be infused and pumped through the first conveying pipe 301, so that the lifting of the car 103 is very convenient by adjusting the pressure inside the first oil cylinder 1 and the second oil cylinder 101, the sealing sleeve 203 is in a circular ring shape, the outer ring of the sealing sleeve 203 is in a cambered surface shape, the sealing sleeve 203 can be in a cambered surface shape, when no leakage occurs in the pressure, the sealing sleeve 203 is not in contact with the inner wall of the oil cylinder, friction of the sealing sleeve 203 in the moving process is reduced, the limiting ring 206 is located above the two connecting ports 302, the shape of the limiting ring 206 is matched with the driving ring 205, and the limiting ring 206 can be very convenient by being in contact with the limiting ring 206 when the driving ring 205 falls.
When the hydraulic lifting device is used, the external oil tank is used for carrying out transfusion and liquid suction on the first oil cylinder 1 and the second oil cylinder 101 through the first conveying pipe 301, so that the lifting of the lift car 103 is very convenient by adjusting the pressure inside the first oil cylinder 1 and the second oil cylinder 101, if the first oil cylinder 1 or the second oil cylinder 101 leaks, the height of hydraulic oil in the cylinder is reduced, at the moment, the adjacent movable rings 201 synchronously move, the movable rings 201 synchronously drive the corresponding sealing sleeve 203 to move when moving, the sealing sleeve 203 is moved and leaked, at the moment, the internal pressure presses the sealing sleeve 203 to tightly seal the leaking position, the leaking position can be sealed and protected, the supporting ring 204 is used for supporting one side of the bottom of the sealing sleeve 203, the driving ring 205 is pushed to drive one side of the bottom of the sealing sleeve 203 to be in contact with the inner wall of the corresponding oil cylinder, the sealing sleeve 203 can have better effect when in use, the sealing sleeve 203 can not contact with the inner wall of the oil cylinder when the pressure does not leak, and friction of the sealing sleeve 203 when moving is reduced.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. Hydraulic elevator safety device, its characterized in that includes:
the elevator comprises a first oil cylinder (1), wherein a second oil cylinder (101) is arranged on one side of the first oil cylinder (1), a piston rod (102) is connected inside the first oil cylinder (1) in a sliding mode, and one side of the piston rod (102) extends out of the first oil cylinder (1) and is fixedly connected with a lift car (103);
the protection conveying mechanism is used for protecting the hydraulic elevator and is arranged in the first oil cylinder (1) and the second oil cylinder (101);
the waterproof conveying mechanism comprises a protection assembly (2) arranged inside a first oil cylinder (1) and a second oil cylinder (101), and a conveying assembly (3) is arranged between the first oil cylinder (1) and the second oil cylinder (101).
2. The hydraulic elevator safety device of claim 1, wherein: the protection assembly (2) comprises a plurality of movable rings (201) which are slidably arranged in the first oil cylinder (1) and the second oil cylinder (101), an air cavity (202) is arranged in the movable rings (201), a sealing sleeve (203) is fixedly connected to the bottom of the movable rings (201), and the sealing sleeve (203) is fixedly connected to the bottom of the movable rings.
3. The hydraulic elevator safety device of claim 2, wherein: the protection assembly (2) further comprises a supporting ring (204) fixedly installed on the inner side of the sealing sleeve (203), a driving ring (205) is fixedly connected to the bottom of the sealing sleeve (203), and the driving ring (205) is located on the outer side of the supporting ring (204).
4. The hydraulic elevator safety device of claim 1, wherein: limiting rings (206) are fixedly arranged in the first oil cylinder (1) and the second oil cylinder (101), and the limiting rings (206) are located above the conveying assembly (3).
5. The hydraulic elevator safety device of claim 4, wherein: the conveying assembly (3) comprises a first conveying pipe (301) fixedly installed on one side of a second oil cylinder (101), a second conveying pipe (303) is connected between the first oil cylinder (1) and the second oil cylinder (101), connecting ports (302) are formed in two sides of the second oil cylinder (101), and the connecting ports (302) in two sides are respectively connected with the first conveying pipe (301) and the second conveying pipe (303).
6. The hydraulic elevator safety device of claim 3, wherein: the sealing sleeve (203) is arranged in a circular ring shape, and the outer ring of the sealing sleeve (203) is arranged in a cambered surface shape.
7. The hydraulic elevator safety device of claim 5, wherein: the limiting rings (206) are located above the two connecting ports (302), and the shape of each limiting ring (206) is matched with that of the driving ring (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322164345.8U CN220449452U (en) | 2023-08-12 | 2023-08-12 | Safety protection device for hydraulic elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322164345.8U CN220449452U (en) | 2023-08-12 | 2023-08-12 | Safety protection device for hydraulic elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220449452U true CN220449452U (en) | 2024-02-06 |
Family
ID=89739838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322164345.8U Active CN220449452U (en) | 2023-08-12 | 2023-08-12 | Safety protection device for hydraulic elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220449452U (en) |
-
2023
- 2023-08-12 CN CN202322164345.8U patent/CN220449452U/en active Active
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