CN211310481U - Anti-falling device for elevator maintenance - Google Patents
Anti-falling device for elevator maintenance Download PDFInfo
- Publication number
- CN211310481U CN211310481U CN201922352253.6U CN201922352253U CN211310481U CN 211310481 U CN211310481 U CN 211310481U CN 201922352253 U CN201922352253 U CN 201922352253U CN 211310481 U CN211310481 U CN 211310481U
- Authority
- CN
- China
- Prior art keywords
- wall
- oil
- backup pad
- falling device
- extrusion
- 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.)
- Active
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 30
- 238000001125 extrusion Methods 0.000 claims abstract description 32
- 239000000446 fuel Substances 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 64
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model discloses an anti-falling device that elevator maintenance was used, including the backup pad, the perpendicular cross-section of backup pad is L shape structure, and the side inner wall of backup pad is provided with the floor, one side outer wall both ends of backup pad all are provided with the extrusion shell, and the side inner wall sliding connection of extrusion shell has the stripper plate, and the inside of extrusion shell is provided with the oil pocket, and the inside of oil pocket is provided with extrusion mechanism, and the inside of backup pad is provided with fuel feeding mechanism, extrusion mechanism includes sliding connection in the piston plate of oil pocket side inner wall, and one side outer wall of piston plate is provided with the spliced pole, and the one end outer wall of spliced pole sets up in one side. The utility model discloses make things convenient for anti-falling device's dismantlement and the removal of position, saved the cost, prevent that elevator car from too big and leading to anti-falling device landing to the backup pad impact force, improved stability, the siren sends out the police dispatch newspaper and reminds the staff, has further improved anti-falling device's security.
Description
Technical Field
The utility model relates to an elevator maintenance technical field especially relates to an anti-falling device of elevator maintenance usefulness.
Background
In the routine maintenance of the elevator, an elevator maintenance worker inevitably needs to enter an elevator pit or a top floor for operation, and in the process of the operation of the pit or the top floor, the elevator is likely to cause sudden descending or ascending of a car or a counterweight due to sudden line electrification, misoperation of the maintenance worker, sudden failure of a main engine brake and the like, injure or extrude the maintenance worker, even cause life hazard to the maintenance worker in serious cases, and have serious potential safety hazard.
Through search, chinese patent application No. CN201821267245.0 discloses an elevator maintenance safety device, which includes a folding bracket mounted on the wall of the hoistway. One elevator maintenance safety device in the above patent has the following disadvantages: the elevator maintenance safety device is fixedly arranged on the wall of an elevator shaft, so that a safety device needs to be arranged at intervals for use, and the installation cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an anti-falling device for elevator maintenance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an anti-falling device that elevator maintenance was used, includes the backup pad, and the perpendicular cross-section of backup pad is L shape structure, and the side inner wall of backup pad is provided with the floor, one side outer wall both ends of backup pad all are provided with the extrusion shell, and the side inner wall sliding connection of extrusion shell has the stripper plate, and the inside of extrusion shell is provided with the oil pocket, and the inside of oil pocket is provided with extrusion mechanism, and the inside of backup pad is provided with fuel feeding mechanism.
Furthermore, the extrusion mechanism comprises a piston plate which is connected to the inner wall of the side face of the oil cavity in a sliding mode, a connecting column is arranged on the outer wall of one side of the piston plate, the outer wall of one end of the connecting column is arranged on the outer wall of one side of the extrusion plate, a rubber pad is bonded on the outer wall of the other side of the extrusion plate, and a first oil pipe is inserted into the inner wall of one side of the oil cavity.
Further, the oil supply mechanism comprises an oil storage tank arranged on the inner wall of one side of the supporting plate, and hydraulic oil is filled in the oil storage tank.
Further, the oil supply mechanism further comprises a hydraulic cylinder fixedly connected to the inner wall of one side of the support plate, a piston is connected to the inner wall of the side face of the hydraulic cylinder in a sliding mode, and a compression column is arranged on the outer wall of the top of the piston.
Further, one side inner wall of backup pad is provided with the fixed block, and the one end of fixed block has the connecting rod through hinged joint, and hinged joint has the depression bar one end of connecting rod, and the bottom outer wall of depression bar is connected through the hinge with the top outer wall of compression leg.
Further, be provided with into oil pipe between pneumatic cylinder and the batch oil tank, and the side outer wall that advances oil pipe is provided with the second check valve, the flow direction of second check valve is batch oil tank one end to pneumatic cylinder one end, first oil pipe's one end is connected with the pneumatic cylinder, and first oil pipe's side outer wall is provided with first check valve, the flow direction of first check valve is extrusion shell one end to pneumatic cylinder one end, first oil pipe is connected with second oil pipe near the side outer wall of extrusion shell one side through pipe connection ware, second oil pipe's one end is connected with the batch oil tank, second oil pipe's side outer wall is provided with the relief valve.
Furthermore, the top outer wall of backup pad is opened there is square groove, and the bottom inner wall in square groove is provided with the spring, and the top outer wall of spring is provided with the roof.
Further, the bottom inner wall of square groove is provided with two electrode slices, and the bottom outer wall of roof is provided with the conducting strip corresponding with the electrode slice, and the top inner wall of backup pad is provided with the battery box, and the bottom inner wall of battery box is provided with the battery, and one side outer wall of extrusion shell is provided with the siren, battery and electrode slice series connection.
The utility model has the advantages that:
1. through setting up the stripper plate, when carrying out elevator maintenance, with anti-falling device card on the guided way of elevator car below, press the depression bar and make the stripper plate extrude the both sides at the guided way, can make anti-falling device fix on the guided way, need not anti-falling device fixed mounting, made things convenient for anti-falling device's dismantlement and the removal of position, saved the cost.
2. Through setting up spring and roof, set up spring and roof at the top of backup pad, when elevator car falls suddenly, elevator car bottom is pressed on the roof, and the spring can play the cushioning effect, changes elevator car's kinetic energy into the heat energy when spring vibrations, prevents then that elevator car from too big and leading to anti-falling device landing to the backup pad impact force, has improved stability.
3. Through setting up the siren, when elevator car falls, the car pressure is on the roof for conducting strip and electrode slice contact, then the switch-on of siren place circuit, the siren sends out the police dispatch newspaper and reminds the staff, has further improved anti-falling device's security.
Drawings
Fig. 1 is a schematic view of the overall structure of an anti-falling device for elevator maintenance according to the present invention;
FIG. 2 is a schematic view of an extrusion shell structure of the anti-falling device for elevator maintenance according to the present invention;
fig. 3 is a schematic view of an internal structure of a support plate of the anti-falling device for elevator maintenance according to the present invention;
FIG. 4 is a schematic view of the oil circuit connection of the anti-falling device for elevator maintenance according to the present invention;
fig. 5 is a schematic circuit connection diagram of the anti-falling device for elevator maintenance provided by the utility model.
In the figure: the device comprises a support plate 1, a top plate 2, an extrusion shell 3, an extrusion plate 4, a rubber pad 5, an alarm 6, a pressure release valve 7, an oil storage tank 8, a hydraulic cylinder 9, a storage battery box 10, a pressure rod 11, a rib plate 12, a piston plate 13, a connecting column 14, a first oil pipe 15, a conducting plate 16, an electrode plate 17, a spring 18, a fixing block 19, a connecting rod 20, a pressure column 21, a piston 22, a storage battery 23, a first one-way valve 24 and a second one-way valve 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-4, an anti-falling device for elevator maintenance comprises a supporting plate 1, wherein the vertical cross section of the supporting plate 1 is of an L-shaped structure, a rib plate 12 is welded on the inner wall of the side surface of the supporting plate 1, extruding shells 3 are welded at two ends of the outer wall of one side of the supporting plate 1, an extruding plate 4 is connected to the inner wall of the side surface of each extruding shell 3 in a sliding mode, an oil cavity is arranged inside each extruding shell 3, an extruding mechanism is arranged inside each oil cavity, and an oil supply mechanism is arranged inside the supporting plate.
The utility model discloses in, extrusion mechanism includes sliding connection in the piston plate 13 of oil pocket side inner wall, and one side outer wall welding of piston plate 13 has spliced pole 14, and the one end outer wall of spliced pole 14 welds in one side outer wall of stripper plate 4, and the opposite side outer wall of stripper plate 4 bonds and has rubber pad 5, and one side inner wall of oil pocket is pegged graft and is had first oil pipe 15.
Wherein, fuel feeding mechanism is including welding in the batch oil tank 8 of backup pad 1 one side inner wall, and the inside of batch oil tank 8 is filled with hydraulic oil.
Wherein, the oil feeding mechanism still includes the pneumatic cylinder 9 of fixed connection in backup pad 1 one side inner wall, and the side inner wall sliding connection of pneumatic cylinder 9 has piston 22, and the welding of the top outer wall of piston 22 has compression leg 21.
Wherein, the welding of one side inner wall of backup pad 1 has fixed block 19, and there is connecting rod 20 one end of fixed block 19 through hinged joint, and there is depression bar 11 one end of connecting rod 20 through hinged joint, and the bottom outer wall of depression bar 11 is connected through the hinge with the top outer wall of compression leg 21.
Wherein, be provided with into oil pipe between pneumatic cylinder 9 and the batch oil tank 8, and the side outer wall that advances oil pipe is provided with second check valve 25, the flow direction of second check valve 25 is 8 one ends to pneumatic cylinder 9 one end of batch oil tank, the one end of first oil pipe 15 is connected with pneumatic cylinder 9, and the side outer wall of first oil pipe 15 is provided with first check valve 24, the flow direction of first check valve 24 is 3 one ends to pneumatic cylinder 9 one end of extrusion shell, first oil pipe 15 is close to the side outer wall of extrusion shell 3 one side and is connected with second oil pipe through the pipe connection ware, the one end of second oil pipe is connected with batch oil tank 8, the side outer wall of second oil pipe is provided with relief valve 7.
Wherein, the top outer wall of backup pad 1 is opened there is square groove, and the welding of the bottom inner wall in square groove has spring 18, and the welding of the top outer wall of spring 18 has roof 2.
The working principle is as follows: when needs maintain the elevartor shaft, install this anti-falling device in elevator car's below, 3 cards of shell 3 are in the both sides of elevartor shaft guided way, repeatedly press depression bar 11, make the hydraulic oil in the oil storage tank 8 enter into inside the shell 3 of extrusion, and extrude piston plate 13, then make the extrusion of stripper plate 4 in the both sides of guided way, thereby make anti-falling device fix on the guided way, rubber pad 5 can increase the frictional force between extrusion piece 4 and the guided way, roof 2 is ten to fifty centimetres apart from elevator car bottom distance this moment, when elevator car falls because of the accident emergence, backup pad 1 can support in elevator car bottom, then prevent that elevator car from falling, spring 18 can play the cushioning effect, convert elevator car's kinetic energy into the heat energy when spring 18 shakes, then play the cushioning effect.
Example 2:
referring to fig. 3 and 5, compared with embodiment 1, in order to further improve the safety, the bottom inner wall of the square groove is connected with two electrode plates 17 through screws, the bottom outer wall of the top plate 2 is connected with a conducting strip 16 corresponding to the electrode plates 17 through screws, the top inner wall of the supporting plate 1 is connected with a storage battery box 10 through screws, the bottom inner wall of the storage battery box 10 is connected with a storage battery 23 through screws, the outer wall of one side of the extrusion shell 3 is connected with an alarm 6 through screws, and the alarm 6, the storage battery 23 and the electrode plates 17 are connected in series.
The working principle is as follows: compared with embodiment 1, when the elevator car falls and presses on the top plate 2, the top plate 2 presses down to enable the conductive sheet 16 to be in contact with the electrode sheet 17, then the circuit of the alarm 6 is switched on, and the alarm 6 gives an alarm to remind a worker.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides an anti-falling device of elevator maintenance usefulness, includes backup pad (1), and the perpendicular cross-section of backup pad (1) is L shape structure, and the side inner wall of backup pad (1) is provided with floor (12), its characterized in that, one side outer wall both ends of backup pad (1) all are provided with extrusion shell (3), and the side inner wall sliding connection of extrusion shell (3) has stripper plate (4), and the inside of extrusion shell (3) is provided with the oil pocket, and the inside of oil pocket is provided with extrusion mechanism, and the inside of backup pad (1) is provided with fuel feeding mechanism.
2. The anti-falling device for elevator maintenance according to claim 1, wherein the extrusion mechanism comprises a piston plate (13) slidably connected to the inner wall of the oil chamber, a connecting column (14) is arranged on the outer wall of one side of the piston plate (13), the outer wall of one end of the connecting column (14) is arranged on the outer wall of one side of the extrusion plate (4), a rubber pad (5) is bonded on the outer wall of the other side of the extrusion plate (4), and a first oil pipe (15) is inserted into the inner wall of one side of the oil chamber.
3. The fall preventing device for elevator maintenance according to claim 2, wherein the oil supplying mechanism comprises an oil storage tank (8) disposed on one side of the inner wall of the support plate (1), and the oil storage tank (8) is filled with hydraulic oil.
4. The anti-falling device for elevator maintenance according to claim 3, characterized in that the oil supply mechanism further comprises a hydraulic cylinder (9) fixedly connected to one side inner wall of the support plate (1), a piston (22) is slidably connected to the side inner wall of the hydraulic cylinder (9), and a compression column (21) is arranged on the top outer wall of the piston (22).
5. The anti-falling device for elevator maintenance according to claim 4, characterized in that the inner wall of one side of the supporting plate (1) is provided with a fixing block (19), one end of the fixing block (19) is connected with a connecting rod (20) through a hinge, one end of the connecting rod (20) is connected with a pressure rod (11) through a hinge, and the outer wall of the bottom of the pressure rod (11) is connected with the outer wall of the top of the pressure column (21) through a hinge.
6. The fall preventing device for elevator maintenance according to claim 5, wherein an oil inlet pipe is provided between the hydraulic cylinder (9) and the oil storage tank (8), and the outer wall of the side surface of the oil inlet pipe is provided with a second one-way valve (25), the flow direction of the second one-way valve (25) is from one end of the oil storage tank (8) to one end of the hydraulic cylinder (9), one end of the first oil pipe (15) is connected with the hydraulic cylinder (9), and the side outer wall of first oil pipe (15) is provided with first check valve (24), and the flow direction of first check valve (24) is for extruding shell (3) one end to pneumatic cylinder (9) one end, and first oil pipe (15) are close to the side outer wall of extruding shell (3) one side and are connected with second oil pipe through the pipe connection ware, and the one end of second oil pipe is connected with batch oil tank (8), and the side outer wall of second oil pipe is provided with relief valve (7).
7. The anti-falling device for elevator maintenance according to claim 1, characterized in that the top outer wall of the support plate (1) is provided with a square groove, the bottom inner wall of the square groove is provided with a spring (18), and the top outer wall of the spring (18) is provided with a top plate (2).
8. The anti-falling device for elevator maintenance according to claim 7, characterized in that the bottom inner wall of the square groove is provided with two electrode plates (17), the bottom outer wall of the top plate (2) is provided with conducting strips (16) corresponding to the electrode plates (17), the top inner wall of the support plate (1) is provided with a storage battery box (10), the bottom inner wall of the storage battery box (10) is provided with a storage battery (23), the outer wall of one side of the pressing shell (3) is provided with an alarm (6), and the alarm (6), the storage battery (23) and the electrode plates (17) are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922352253.6U CN211310481U (en) | 2019-12-25 | 2019-12-25 | Anti-falling device for elevator maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922352253.6U CN211310481U (en) | 2019-12-25 | 2019-12-25 | Anti-falling device for elevator maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211310481U true CN211310481U (en) | 2020-08-21 |
Family
ID=72081037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922352253.6U Active CN211310481U (en) | 2019-12-25 | 2019-12-25 | Anti-falling device for elevator maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211310481U (en) |
-
2019
- 2019-12-25 CN CN201922352253.6U patent/CN211310481U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211310481U (en) | Anti-falling device for elevator maintenance | |
| CN211812885U (en) | Elevator overload protection device | |
| CN219267077U (en) | Safety alarm device for preventing dump load ballast platform from overturning | |
| CN217687487U (en) | Overload alarm device for construction unloading platform | |
| CN209538647U (en) | A kind of climbing frame safety device | |
| CN103508227A (en) | Multifunctional spring steel uncoiling device | |
| CN213704655U (en) | Hydraulic pressing mechanical equipment for producing carbon brush of automobile direct-current motor | |
| CN211924452U (en) | Plunger pump with warning effect | |
| CN214087591U (en) | Overload protection device for boiler maintenance platform | |
| CN206990360U (en) | A kind of lithium ion battery width face pressurizing unit | |
| CN213985666U (en) | Device for detecting overload switch state of elevator car without load | |
| CN214580216U (en) | Heavy object support frame | |
| CN209815433U (en) | Elevator overload protection device | |
| CN112265109A (en) | Safe type hot press unit of fire prevention panel for green building materials manufacturing | |
| CN216512251U (en) | Elevator overload detection device | |
| CN214989486U (en) | Elevator protection device | |
| CN216012708U (en) | Test device is suppressed to air brake | |
| CN201455626U (en) | Spring assembly pressing machine for coking oven door | |
| CN210619907U (en) | Novel energy-saving elevator device | |
| CN211642146U (en) | Full hydraulic brake device and control box of single-loop system | |
| CN217287016U (en) | Be used for carbon dioxide fire extinguisher failure detection warning base | |
| CN214989555U (en) | Car bottom frame for elevator | |
| CN114799015B (en) | Forging and pressing drift overload protection device and have its forging and pressing device | |
| CN210046759U (en) | Punching device | |
| CN201681987U (en) | Double-layer double-rowed earthquake-proof mounting rack for lead-acid storage batteries |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |