CN220845391U - Elevator maintenance chair for car - Google Patents
Elevator maintenance chair for car Download PDFInfo
- Publication number
- CN220845391U CN220845391U CN202322189531.7U CN202322189531U CN220845391U CN 220845391 U CN220845391 U CN 220845391U CN 202322189531 U CN202322189531 U CN 202322189531U CN 220845391 U CN220845391 U CN 220845391U
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- leveling
- rod
- workbench
- elevator maintenance
- supporting rod
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- 238000012423 maintenance Methods 0.000 title claims abstract description 54
- 230000000694 effects Effects 0.000 abstract description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Abstract
The utility model relates to the technical field of maintenance chairs, in particular to an elevator maintenance chair for a lift car, which comprises a workbench, a straight ladder and a protection board, wherein the bottom of the workbench is provided with the straight ladder, the protection board is arranged at the top of the workbench through a hinge, the elevator maintenance chair also comprises a leveling moving device, the leveling moving device comprises a threaded rod, a leveling sleeve, a rubber foot pad and a moving component, the threaded rod is fixedly connected with the straight ladder and is positioned at the bottom of the straight ladder, the leveling sleeve is in threaded connection with the threaded rod and is sleeved on the outer side of the threaded rod, the rubber foot pad is fixedly connected with the leveling sleeve and is positioned at the bottom of the leveling sleeve, the moving component is connected with the workbench and is positioned at one side of the workbench close to the straight ladder, and the elevator maintenance chair for the lift car can achieve the effects that the leveling operation is simpler through the leveling moving device, the leveling moving distance is short, and the elevator maintenance chair for the lift car can be convenient to move.
Description
Technical Field
The utility model relates to the technical field of maintenance chairs, in particular to an elevator maintenance chair for a lift car.
Background
An elevator is a transport equipment for vertically transporting passengers or goods, and is provided with a car which needs to be regularly maintained and maintained, and also needs to be treated when the car fails, and maintenance staff needs to use a maintenance chair when maintaining the higher part of the car due to the higher overall height of the car. When the existing elevator maintenance chair is maintained by a maintenance person standing on the top wall of the workbench, the periphery of the workbench lacks a protection structure, so that the safety of the maintenance person is lower in the process of using the elevator maintenance chair.
Prior art CN 214527482U discloses an elevator maintenance chair for car, in order to solve the problem that does not have protection facilities to lead to maintenance chair security low because of maintenance chair on, it includes workstation, two vertical ladders, a plurality of protection shield and spacing cell body, and two vertical ladders set up on the lateral wall of workstation one side that is close to ground, and a plurality of protection shield rotations are connected in workstation one side of keeping away from ground, and spacing cell body cover is established on the protection shield. The application has the effect of improving the safety of the elevator maintenance chair.
However, in the above technology, the bottom wall of the car is not flat, the maintenance chair can be leveled by adjusting the leveling sleeve, but the adjustment operation of the leveling sleeve is troublesome, the distance between the leveling holes is fixed, the leveling is difficult due to the fixed leveling moving distance, and the device is inconvenient to move.
Disclosure of utility model
The utility model aims to provide an elevator maintenance chair for a lift car, which solves the problems that in the prior art, the bottom wall of the lift car is uneven, the maintenance chair can be leveled by adjusting a leveling sleeve, but the adjustment operation of the leveling sleeve is troublesome, the distance between leveling holes is fixed, the leveling movement distance is fixed, the leveling is difficult, and the device is inconvenient to move.
In order to achieve the above purpose, the utility model provides an elevator maintenance chair for a lift car, which comprises a workbench, a straight ladder and a protection board, wherein the bottom of the workbench is provided with the straight ladder, the protection board is arranged at the top of the workbench through a hinge,
The leveling device is used for leveling the moving device;
The leveling mobile device comprises a threaded rod, a leveling sleeve, a rubber foot pad and a mobile assembly, wherein the threaded rod is fixedly connected with the straight ladder and is positioned at the bottom of the straight ladder, the leveling sleeve is in threaded connection with the threaded rod and sleeved on the outer side of the threaded rod, the rubber foot pad is fixedly connected with the leveling sleeve and is positioned at the bottom of the leveling sleeve, and the mobile assembly is connected with the workbench and is positioned at one side of the workbench close to the straight ladder.
The movable assembly comprises a universal wheel, a supporting rod and a telescopic assembly, wherein the universal wheel is connected with the supporting rod through the telescopic assembly and is positioned at the lower end of the supporting rod; the supporting rod is fixedly connected with the workbench and is positioned at one side of the workbench, which is close to the straight ladder; the telescopic component is connected with the universal wheel and drives the universal wheel to move.
The telescopic assembly comprises a telescopic rod, a fixing screw rod and a fixing nut, wherein the telescopic rod is connected with the universal wheel, is in sliding connection with the supporting rod and penetrates through the supporting rod; the fixed screw is in threaded connection with the supporting rod and penetrates through the supporting rod; the fixing nut is in threaded connection with the fixing screw rod and sleeved on the outer side of the fixing screw rod.
The support rod is provided with a threaded hole and a fixing groove, and the threaded hole is arranged on one side of the support rod, which is close to the fixing screw rod, and is matched with the fixing screw rod; the fixing groove is formed in one side, close to the fixing nut, of the supporting rod.
The leveling moving device further comprises a rotating rod, wherein the rotating rod is fixedly connected with the leveling sleeve and is positioned on the outer side wall of the leveling sleeve.
According to the elevator maintenance chair for the elevator car, after the working table reaches the working height by adjusting the two vertical ladder supporting angles, one leveling sleeve can be fixed as a reference when the bottom wall of the elevator car is uneven, and the other three leveling sleeves are rotationally adjusted, so that the working table tends to be horizontal through the rotation and extension of the threads on the threaded rods of the leveling sleeves, the leveling moving device can level the working table of the elevator maintenance chair for the elevator car, and when the elevator maintenance chair for the elevator car needs to be moved or carried, the elevator maintenance chair for the elevator car can be conveniently moved through the moving assembly, so that the leveling operation is simpler through the leveling moving device, the leveling moving distance is short, and the elevator maintenance chair for the elevator car can be conveniently moved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a use view of the entire structure of an elevator maintenance chair for a car according to a first embodiment of the present utility model.
Fig. 2 is a partially connected schematic view of an elevator maintenance chair for a car according to a first embodiment of the present utility model.
Fig. 3 is an enlarged view at a of fig. 2 of a first embodiment of the present utility model.
Fig. 4 is a schematic view of a part of the construction of a leveling moving arrangement according to a second embodiment of the present utility model.
In the figure: 101-workbench, 102-straight ladder, 103-protection board, 104-threaded rod, 105-leveling sleeve, 106-rubber foot pad, 107-universal wheel, 108-bracing piece, 109-telescopic link, 110-fixing screw, 111-fixing nut, 112-threaded hole, 113-fixing groove, 214-bull stick.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
First embodiment:
Referring to fig. 1 to 3, fig. 1 is a diagram showing the overall structure of an elevator maintenance chair for a car according to a first embodiment of the present utility model, fig. 2 is a partially connected schematic diagram of the elevator maintenance chair for a car according to the first embodiment of the present utility model, and fig. 3 is an enlarged view at a of fig. 2 according to the first embodiment of the present utility model.
The utility model relates to an elevator maintenance chair for a lift car, which comprises the following components: the leveling device comprises a workbench 101, a vertical ladder 102, a protection plate 103 and a leveling moving device, wherein the leveling moving device comprises a threaded rod 104, a leveling sleeve 105, a rubber foot pad 106 and a moving assembly, the moving assembly comprises a universal wheel 107, a supporting rod 108 and a telescopic assembly, the telescopic assembly comprises a telescopic rod 109, a fixing screw 110 and a fixing nut 111, and the supporting rod 108 is provided with a threaded hole 112 and a groove 113. The problems that in the prior art, the bottom wall of the car is uneven, the maintenance chair can be leveled by adjusting the leveling sleeve 105, but the adjustment operation of the leveling sleeve 105 is troublesome, the distance between leveling holes is fixed, the leveling is difficult due to the fixed leveling moving distance, and the device is inconvenient to move are solved; it can be appreciated that the leveling operation is simpler by the leveling moving device, the leveling moving distance is short, and the elevator maintenance chair for the lift car can be conveniently moved.
In this embodiment, a plurality of protection boards 103 are disposed on the workbench 101, a plurality of protection boards 103 are respectively located on four sides of the workbench 101 and are respectively connected through hinges in a rotating manner, so that a protection frame is formed by enclosing, a serviceman stands on the workbench 101 to perform blocking protection during maintenance, two vertical ladders 102 are rotatably connected to the bottom of the workbench 101, the workbench 101 is supported by the two vertical ladders 102, positioning rods and positioning sleeves are respectively disposed on the two vertical ladders 102, and are located on two opposite sides of the two vertical ladders 102, the included angle of the two vertical ladders 102 is adjusted through the connection of an upper positioning rod and the positioning sleeve through a pin shaft, so that the height position of the workbench 101 is adjusted, the lift car can be leveled and placed when the lift car is placed on the bottom of an uneven lift car through the installation of the leveling moving device, and the lift car can be conveniently moved by the lift car maintenance chair.
The threaded rod 104 is fixedly connected with the vertical ladder 102 and is located at the bottom of the vertical ladder 102, the leveling sleeve 105 is in threaded connection with the threaded rod 104 and sleeved on the outer side of the threaded rod 104, the rubber foot pad 106 is fixedly connected with the leveling sleeve 105 and is located at the bottom of the leveling sleeve 105, and the moving assembly is connected with the workbench 101 and is located at one side, close to the vertical ladder 102, of the workbench 101. The number of the threaded rods 104 is four, the threaded rods 104 are respectively and fixedly arranged at two bottom ends of the two vertical ladders 102, the four threaded outer sides of the threaded rods 104 are respectively provided with the leveling sleeves 105 in a threaded sleeve manner, the leveling sleeves 105 are of cuboid structures with cylindrical grooves in the interiors, the inner sides of the grooves are provided with threads matched with the threaded rods 104, a plurality of the leveling sleeves 105 are respectively rotated to extend out of the threaded rods 104 through the inclination uneven degree of a car, so that the workbench 101 is supported and leveled, the rubber foot pads 106 are fixedly sleeved at the outer bottoms of the leveling sleeves 105, the number of the rubber foot pads 106 is matched with the number of the leveling sleeves 105, the upper ends of the rubber foot pads 106 are provided with grooves matched with the leveling sleeves 105, the rubber foot pads 106 are sleeved on the leveling sleeves 105, the rubber foot pads 106 are made of rubber, the leveling sleeves 105 can be in contact with the bottom of the car, the contact friction force with the car is increased, the car is more stably placed by the maintenance chair, the number of the moving components is four, the elevator is respectively installed at the place close to the workbench 101, and the four elevator components can be conveniently placed at the opposite sides of the place of the elevator 101, and the elevator is conveniently moved by the elevator is respectively; therefore, after the working platform 101 reaches the working height by adjusting the supporting angle of the two straight ladders 102, one leveling sleeve 105 can be fixed as a reference when the bottom wall of the elevator car is uneven, and the other three leveling sleeves 105 are rotationally adjusted, so that the leveling sleeves 105 extend through rotating the threads on the threaded rods 104, the working platform 101 tends to be horizontal, the leveling moving device levels the working platform 101 of the elevator maintenance chair for the elevator car, and when the elevator maintenance chair for the elevator car needs to be moved or carried, the elevator maintenance chair for the elevator car can be conveniently moved through the moving assembly, so that the leveling operation is simpler through the leveling moving device, the leveling moving distance is also short, and the elevator maintenance chair for the elevator car can be conveniently moved.
Secondly, the universal wheels 107 are connected with the supporting rods 108 through the telescopic components and are positioned at the lower ends of the supporting rods 108; the supporting rod 108 is fixedly connected with the workbench 101 and is positioned at one side of the workbench 101 close to the vertical ladder 102; the telescopic assembly is connected with the universal wheel 107 and drives the universal wheel 107 to move. The number of the universal wheels 107 is four, the four universal wheels 107 are respectively arranged at the bottom of the telescopic rod 109 of the telescopic assembly, the universal wheels 107 are provided with brake devices, the universal wheels 107 are used for conveniently driving the moving assembly to move the elevator maintenance chair for the elevator car, the supporting rods 108 are of cylindrical structures with grooves 113, the grooves of the supporting rods 108 are opened at the bottom of the supporting rods 108, the telescopic assembly is installed in the grooves of the supporting rods 108 in a stretching mode, the telescopic assembly is used for adjusting the length of the supporting rods 108, and therefore the universal wheels 107 are adjusted to contact the bottom wall or the ground of the elevator car, so that the moving assembly is convenient for the elevator maintenance chair for the elevator car to move.
Meanwhile, the telescopic rod 109 is connected with the universal wheel 107, is slidably connected with the supporting rod 108, and penetrates through the supporting rod 108; the fixing screw 110 is in threaded connection with the supporting rod 108 and penetrates through the supporting rod 108; the fixing nut 111 is screwed with the fixing screw 110 and is sleeved on the outer side of the fixing screw 110. The threaded hole 112 is disposed on one side of the support rod 108 near the fixing screw 110, and is matched with the fixing screw 110; the fixing groove 113 is provided at a side of the support bar 108 near the fixing nut 111. The diameter of the telescopic rod 109 is matched with the inner diameter of a groove of the supporting rod 108, the upper end part of the telescopic rod 109 stretches into the groove 113 of the supporting rod 108, the universal wheel 107 is connected to the bottom end of the telescopic rod 109, the position of the universal wheel 107 is adjusted by stretching the telescopic rod 109 up and down in the groove of the supporting rod 108, the fixing screw 110 stretches out and stretches out from the threaded hole 112 of the supporting rod 108 in the groove of the supporting rod 108 in a threaded manner, the stretching end of the fixing screw 110 is tightly propped against the outer side of the telescopic rod 109, the fixing screw 110 is sleeved with the fixing nut 111 in a threaded manner, the fixing nut 111 is positioned between the end part of the fixing screw 110 and the supporting rod 108, after the fixing screw 110 is tightly propped against the telescopic rod 109, the fixing nut 111 approaches the supporting rod 108 and stretches into the fixing groove 113, the fixing groove 113 is more stable in locking and fixing of the fixing nut 111, and the telescopic rod 109 is matched with the fixing screw 111, and the telescopic rod 107 is adjusted in position.
When the elevator maintenance chair for the elevator car of the embodiment is used, after the working table 101 reaches the working height by adjusting the supporting angles of the two straight ladders 102, one leveling sleeve 105 can be fixed as a reference for the uneven bottom wall of the elevator car, the other three leveling sleeves 105 are rotationally adjusted, the leveling sleeves 105 are enabled to rotate and stretch through threads on the threaded rods 104, so that the working table 101 tends to be horizontal, the leveling moving device levels the working table 101 of the elevator maintenance chair for the elevator car, and when the elevator maintenance chair for the elevator car needs to be moved or carried, the elevator maintenance chair for the elevator car can be conveniently moved through the moving assembly, so that the leveling operation is simpler through the leveling moving device, the leveling moving distance is also short, and the elevator maintenance chair for the elevator car can be conveniently moved.
Second embodiment:
referring to fig. 4, fig. 4 is a schematic view of a part of a leveling device according to a second embodiment of the present utility model. On the basis of the first embodiment, the leveling moving device of the present embodiment further includes a rotating lever 214.
In this embodiment, the rotating rod 214 is fixedly connected to the leveling sleeve 105 and is located on an outer sidewall of the leveling sleeve 105. The rotating rods 214 are respectively arranged on four leveling sleeves 105, the rotating rods 214 are respectively arranged on four opposite angles on the outer side of one leveling sleeve 105, the rotating rods 214 are of a cylindrical structure, and the rotating rods 214 facilitate the rotation of the threads of the leveling sleeves 105, so that more labor is saved.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the application.
Claims (5)
1. The elevator maintenance chair for the lift car comprises a workbench, a straight ladder and a protection board, wherein the straight ladder is arranged at the bottom of the workbench, the protection board is arranged at the top of the workbench through a hinge,
The leveling device is used for leveling the moving device;
The leveling mobile device comprises a threaded rod, a leveling sleeve, a rubber foot pad and a mobile assembly, wherein the threaded rod is fixedly connected with the straight ladder and is positioned at the bottom of the straight ladder, the leveling sleeve is in threaded connection with the threaded rod and sleeved on the outer side of the threaded rod, the rubber foot pad is fixedly connected with the leveling sleeve and is positioned at the bottom of the leveling sleeve, and the mobile assembly is connected with the workbench and is positioned at one side of the workbench close to the straight ladder.
2. An elevator maintenance chair for a car according to claim 1, wherein,
The movable assembly comprises a universal wheel, a supporting rod and a telescopic assembly, wherein the universal wheel is connected with the supporting rod through the telescopic assembly and is positioned at the lower end of the supporting rod; the supporting rod is fixedly connected with the workbench and is positioned at one side of the workbench, which is close to the straight ladder; the telescopic component is connected with the universal wheel and drives the universal wheel to move.
3. An elevator maintenance chair for a car according to claim 2, wherein,
The telescopic assembly comprises a telescopic rod, a fixing screw rod and a fixing nut, wherein the telescopic rod is connected with the universal wheel, is in sliding connection with the supporting rod and penetrates through the supporting rod; the fixed screw is in threaded connection with the supporting rod and penetrates through the supporting rod; the fixing nut is in threaded connection with the fixing screw rod and sleeved on the outer side of the fixing screw rod.
4. An elevator maintenance chair for a car according to claim 3, wherein,
The support rod is provided with a threaded hole and a fixing groove, and the threaded hole is arranged on one side of the support rod, which is close to the fixing screw rod, and is matched with the fixing screw rod; the fixing groove is formed in one side, close to the fixing nut, of the supporting rod.
5. An elevator maintenance chair for a car according to claim 1, wherein,
The leveling moving device further comprises a rotating rod, wherein the rotating rod is fixedly connected with the leveling sleeve and is positioned on the outer side wall of the leveling sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322189531.7U CN220845391U (en) | 2023-08-15 | 2023-08-15 | Elevator maintenance chair for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322189531.7U CN220845391U (en) | 2023-08-15 | 2023-08-15 | Elevator maintenance chair for car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220845391U true CN220845391U (en) | 2024-04-26 |
Family
ID=90787807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322189531.7U Active CN220845391U (en) | 2023-08-15 | 2023-08-15 | Elevator maintenance chair for car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220845391U (en) |
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2023
- 2023-08-15 CN CN202322189531.7U patent/CN220845391U/en active Active
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