CN210286580U - Elevator shaft lifting pulley tripod - Google Patents
Elevator shaft lifting pulley tripod Download PDFInfo
- Publication number
- CN210286580U CN210286580U CN201921166165.0U CN201921166165U CN210286580U CN 210286580 U CN210286580 U CN 210286580U CN 201921166165 U CN201921166165 U CN 201921166165U CN 210286580 U CN210286580 U CN 210286580U
- Authority
- CN
- China
- Prior art keywords
- connecting seat
- sleeve
- rotating
- fixed
- elevator shaft
- 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
Images
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The utility model relates to an elevartor shaft promotes pulley tripod, which comprises a connecting seat, be fixed with branch on the connecting seat, install the fixed pulley on the branch, be provided with a plurality of bracing pieces on the connecting seat, an end of bracing piece articulates on the connecting seat, is fixed with the screw rod on the connecting seat, branch sets up the top at the connecting seat, and the screw rod setting has the rotating sleeve in the below of connecting seat, and screw-thread fit has the rotating sleeve on the screw rod, and rotating sleeve outside cover is equipped with the adapter sleeve, and the both ends mouth an organic whole of adapter sleeve is provided with the fender ring, and the adapter sleeve passes through the fender ring card and sheathes in rotating, and the lower extreme of adapter sleeve is worn out the adapter sleeve and is stretched the below of adapter sleeve, is provided with a plurality of ejector pins on the. The utility model discloses have the effect that the constructor of being convenient for promoted the heavy object in the elevator well.
Description
Technical Field
The utility model belongs to the technical field of an elevartor shaft heavy object hoisting device's technique and specifically relates to an elevartor shaft promotes pulley tripod.
Background
High-rise building often need promote the heavy object through the elevartor shaft when the construction, and traditional way is thrown away the one end of rope in the elevator shaft at the high-rise, and low-rise personnel receive behind the rope with the heavy object system on the rope, high-rise constructor promotes the heavy object to the high-rise through constantly dragging the rope.
When the method is adopted to lift the heavy object in the elevator shaft, the heavy object can rub with the inner side wall of the elevator shaft, and if the heavy object encounters a convex bump at a certain position in the elevator shaft when the heavy object rises, the heavy object is very easy to be clamped, so that a constructor can not be convenient to lift the heavy object by dragging the rope.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an elevartor shaft promotes pulley tripod, it has the effect that the constructor of being convenient for promoted the heavy object in the elevator shaft.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an elevator shaft promotes pulley tripod, includes the connecting seat, be fixed with branch on the connecting seat, install the fixed pulley on the branch, be provided with a plurality of bracing pieces on the connecting seat, an end of bracing piece articulates on the connecting seat, is fixed with the screw rod on the connecting seat, branch sets up the top at the connecting seat, and the screw rod setting has the rotating sleeve in the below of connecting seat, and screw-thread fit has the rotating sleeve on the screw rod, and the cover is equipped with the adapter sleeve outside the rotating sleeve, and the both ends mouth an organic whole of adapter sleeve is provided with the fender ring, and the adapter sleeve passes through the fender ring card and sheathes in rotating, and the below that the adapter sleeve was stretched to the adapter sleeve is worn out to the lower extreme of adapter sleeve, is provided with a plurality of.
Through adopting above-mentioned technical scheme, the staff rotates and rotates the cover and make and rotate the cover upward movement on the screw rod, and then promote the adapter sleeve upward movement, because the one end of ejector pin articulates on the adapter sleeve, the other end of ejector pin will promote the tip of bracing piece and support on the lateral wall of elevartor shaft, under the effect of gravity, the lateral wall of elevartor shaft will provide ascending frictional force to the bracing piece, make the fixed pulley support in the elevartor shaft, when promoting the heavy object, the staff walks around the fixed pulley with the hawser, it is fixed with the heavy object that will promote to make the one end of hawser stretch to ground, the other end receives staff's tractive at the eminence and makes the heavy object promote gradually, because there is the distance between the inside wall of fixed pulley and elevarto.
The utility model discloses a further set up to: and a rotating disc is coaxially fixed at the lower end of the rotating sleeve.
By adopting the technical scheme, when the rotating sleeve is rotated by a worker through the rotating disc, the rotating sleeve can bear larger torque, so that the rotating sleeve can be easily rotated by the worker.
The utility model discloses a further set up to: the rotating sleeve is coaxially provided with a plurality of thrust bearings, and the connecting sleeve is clamped on the outer ring of each thrust bearing through a retaining ring.
Through adopting above-mentioned technical scheme, set up footstep bearing between rotating cover and adapter sleeve and make and rotate cover and adapter sleeve phase separation, the friction that produces between rotating cover and the adapter sleeve when having avoided rotating the rotating cover, footstep bearing provides the axial effort to the adapter sleeve when rotating the rotating cover, and can make the rotation of rotating the cover more laborsaving.
The utility model discloses a further set up to: the end of the support rod far away from the connecting seat is provided with a friction plate, the end of the support rod is hinged to one plate surface of the friction plate, and a plurality of nails are fixed on the other plate surface of the friction plate.
Through adopting above-mentioned technical scheme, the friction plate has increased the area of contact between the tip of bracing piece and the elevartor shaft lateral wall, is favorable to the elevartor shaft lateral wall to provide the frictional force of bigger ascending support for the bracing piece, and the nail of fixing on the friction plate makes between friction plate and the elevartor shaft lateral wall more firm of butt.
The utility model discloses a further set up to: the nails are arranged obliquely downwards.
Through adopting above-mentioned technical scheme, because the power of exerting of heavy object on the bracing piece when promoting the heavy object is along the pole body slant decurrent of bracing piece, consequently the nail slope is provided with downwards and is favorable to making the elevartor shaft lateral wall reach the maximize for the component force of the upwards support that the nail provided, makes the device more stable when promoting the heavy object.
The utility model discloses a further set up to: the top of branch is provided with the installing frame, and the installing frame articulates the upper end and the articulated shaft vertical setting at branch, fixed pulley slewing bearing is in the installing frame, and the axis of rotation level of fixed pulley sets up.
Through adopting above-mentioned technical scheme, the installing frame can rotate around the upper end of branch when promoting the heavy object, if the heavy object of promotion takes place the swing, the installing frame can take place to rotate along with the swing of heavy object, is favorable to avoiding deviating from the fixed pulley when promoting the heavy object hawser.
The utility model discloses a further set up to: and a warning lamp is arranged at the upper end of the mounting frame.
Through adopting above-mentioned technical scheme, open the warning light and can play the suggestion effect to the staff of each floor when promoting the heavy object.
The utility model discloses a further set up to: and a limiting block is fixed above the rotating sleeve by the screw rod.
Through adopting above-mentioned technical scheme, the stopper can be injectd the extreme position of rotating sleeve upward movement, avoids rotating the excessive upward movement of cover and makes the ejector pin lose the pushing action to the bracing piece.
To sum up, the utility model discloses a beneficial technological effect does:
1. the fixed pulley is supported in the elevator shaft, when the heavy object is lifted, a worker winds the cable around the fixed pulley, so that one end of the cable extends to the ground and is fixed with the heavy object to be lifted, the other end of the cable is pulled by the worker at a high position to gradually lift the heavy object, and the heavy object is separated from the inner side wall of the elevator shaft due to the distance between the fixed pulley and the inner side wall of the elevator shaft, so that the heavy object is more convenient to lift;
2. the rotating disc is beneficial to enabling workers to rotate the rotating sleeve more easily; the thrust bearing enables the rotating sleeve to be separated from the connecting sleeve, so that friction between the rotating sleeve and the connecting sleeve is avoided when the rotating sleeve is rotated, and the rotating sleeve can be rotated more labor-saving; the friction plate and the nails fixed on the friction plate ensure that the friction plate is more firmly abutted with the side wall of the elevator shaft;
3. the nail is obliquely arranged downwards, so that the device is more stable when a heavy object is lifted; the mounting frame is beneficial to avoiding the cable from falling off from the fixed pulley when the heavy object is lifted; when the heavy object is lifted, the warning lamp is turned on, so that the prompt effect on workers on each floor can be achieved; the limiting block can limit the limit position of the upward movement of the rotating sleeve.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a friction plate;
FIG. 3 is a schematic sectional view of the rotating sleeve and the connecting sleeve;
in the figure, 1, a connecting seat; 11. a support bar; 12. a friction plate; 121. nailing; 2. a strut; 21. installing a frame; 22. a fixed pulley; 23. a warning light; 3. a screw; 31. rotating the sleeve; 32. a thrust bearing; 33. connecting sleeves; 331. a baffle ring; 34. rotating the disc; 35. a limiting block; 36. and a push rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses an elevartor shaft promotes pulley tripod, including connecting seat 1, connecting seat 1 is the cylinder of vertical setting, connecting seat 1's lateral wall evenly is provided with three bracing piece 11 along the circumferencial direction, bracing piece 11 is close to connecting seat 1's one end and is articulated with connecting seat 1, the other end is provided with friction plate 12, the tip that connecting seat 1 was kept away from to bracing piece 11 articulates on a face of friction plate 12, another face of friction plate 12 is fixed with a plurality of nails 121, the face that friction plate 12 was provided with nail 121 pastes on the inside wall of elevartor shaft, nail 121 slope sets up downwards.
Refer to fig. 1, the upper end coaxial fixation of connecting seat 1 has branch 2, the top of branch 2 is provided with installing frame 21, installing frame 21 is the casing of a cuboid shape, the vertical setting of installing frame 21, two relative vertical side openings of installing frame 21, installing frame 21 articulates in the upper end of branch 2 and the articulated shaft is coaxial with branch 2, be provided with fixed pulley 22 in the installing frame 21, fixed pulley 22 gyration is supported between two vertical lateral walls of installing frame 21, the axis of rotation level of fixed pulley 22 sets up and the axis of rotation perpendicular to installing frame 21's of fixed pulley 22 lateral wall, the upper end of installing frame 21 is provided with warning light 23, when promoting the heavy object, warning light 23 can play the prompt action to the staff of each floor.
Referring to fig. 1 and 3, a screw rod 3 is coaxially fixed at the lower end of the connecting seat 1, a rotating sleeve 31 is screwed on the screw rod 3, a plurality of thrust bearings 32 are coaxially arranged on the rotating sleeve 31, a connecting sleeve 33 is sleeved outside the rotating sleeve 31, the connecting sleeve 33 is a cylinder, a baffle ring 331 is coaxially fixed at the upper and lower ports of the connecting sleeve 33, the baffle ring 331 and the connecting sleeve 33 are integrally arranged, and the connecting sleeve 33 is clamped on the outer ring of the thrust bearings 32 through the baffle ring 331.
Referring to fig. 1 and 3, the lower end of the rotating sleeve 31 penetrates through the connecting sleeve 33 and extends to the lower part of the connecting sleeve 33, the rotating sleeve 31 is in clearance fit with the inner ring of the baffle ring 331, a rotating disc 34 is coaxially fixed at the lower end of the rotating sleeve 31, a worker can drive the rotating sleeve 31 to move up and down on the screw rod 3 by rotating the rotating disc 34, the connecting sleeve 33 can be forced to move up and down by a thrust bearing 32 when the rotating sleeve 31 moves up and down, a limiting block 35 is fixed above the rotating sleeve 31 by the screw rod 3, and the limiting block 35 can limit the limit position of the upward movement of the rotating sleeve 31.
Referring to fig. 1, three push rods 36 are uniformly arranged on the outer side wall of the connecting sleeve 33 along the circumferential direction, the three push rods 36 correspond to the three support rods 11, one end of each push rod 36 is hinged on the outer side wall of the connecting sleeve 33, and the other end of each push rod 36 is hinged on the body of each support rod 11.
The utility model discloses an operating principle is, the staff is through rotating rolling disc 34 with the hand, rolling disc 34 drives and rotates cover 31 upward movement on screw rod 3, it promotes adapter sleeve 33 upward movement to rotate cover 31 through thrust bearing 32, because the one end of ejector pin 36 articulates on adapter sleeve 33, the other end of ejector pin 36 will promote friction plate 12 of bracing piece 11 tip to support the lateral wall at the elevartor shaft, under the effect of gravity, the lateral wall of elevartor shaft will provide the frictional force of upwards supporting to friction plate 12, nail 121 is favorable to increasing the frictional force of elevartor shaft to friction plate 12, thereby fixed pulley 22 will be supported in the elevartor shaft.
After fixed pulley 22 supported, the staff walks around fixed pulley 22 with the hawser, it is fixed with the heavy object that will promote to make the one end of hawser stretch to ground, the other end receives staff's tractive in the eminence and makes the heavy object promote gradually, because be provided with the distance between the inside wall of fixed pulley 22 and elevartor shaft, then the inside wall phase separation of heavy object and elevartor shaft, it is more convenient when promoting the heavy object, it is tighter that the higher then friction plate 12 and the inside wall butt of elevartor shaft that the cover 31 of rotating upwards moves, the friction that the elevartor shaft inside wall provided for friction plate 12 is big more, thereby make the staff can promote heavier object.
The embodiment of the present invention is a preferred embodiment of the present invention, which is not limited in this way to the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an elevartor shaft promotes pulley tripod, includes connecting seat (1), be fixed with branch (2) on connecting seat (1), install fixed pulley (22), its characterized in that on branch (2): the connecting seat is characterized in that a plurality of supporting rods (11) are arranged on the connecting seat (1), one end part of each supporting rod (11) is hinged to the connecting seat (1), a screw rod (3) is fixed on the connecting seat (1), the supporting rod (2) is arranged above the connecting seat (1), the screw rod (3) is arranged below the connecting seat (1), a rotating sleeve (31) is in threaded fit with the screw rod (3), a connecting sleeve (33) is sleeved outside the rotating sleeve (31), two ports of the connecting sleeve (33) are integrally provided with a baffle ring (331), the connecting sleeve (33) is clamped on the rotating sleeve (31) through the baffle ring (331), the lower end of the connecting sleeve (33) penetrates out of the connecting sleeve (33) and stretches to the lower part of the connecting sleeve (33), a plurality of ejector rods (36) are arranged on the connecting sleeve (33), the ejector rods (36) correspond to the supporting rods (11) one to one another, one end of, the other end of the mandril (36) is hinged on the rod body of the support rod (11).
2. An elevator shaft hoisting sheave tripod support frame as defined in claim 1 wherein: the lower end of the rotating sleeve (31) is coaxially fixed with a rotating disc (34).
3. An elevator shaft hoisting sheave tripod support frame as defined in claim 2 in which: a plurality of thrust bearings (32) are coaxially arranged on the rotating sleeve (31), and the connecting sleeve (33) is clamped on the outer ring of each thrust bearing (32) through a baffle ring (331).
4. An elevator shaft hoisting sheave tripod support frame as defined in claim 3 in which: the end part of the support rod (11) far away from the connecting seat (1) is provided with a friction plate (12), the end part of the support rod (11) is hinged on one plate surface of the friction plate (12), and a plurality of nails (121) are fixed on the other plate surface of the friction plate (12).
5. An elevator shaft hoisting sheave tripod support frame as defined in claim 4 in which: the nail (121) is disposed obliquely downward.
6. An elevator shaft hoisting sheave tripod support frame as defined in any one of claims 1 to 5, wherein: the top of branch (2) is provided with installing frame (21), and installing frame (21) articulates the vertical setting of upper end and articulated shaft at branch (2), fixed pulley (22) slewing bearing is in installing frame (21), and the axis of rotation level of fixed pulley (22) sets up.
7. An elevator shaft hoist sheave tripod support frame as defined in claim 6 in which: and a warning lamp (23) is arranged at the upper end of the mounting frame (21).
8. An elevator shaft hoisting sheave tripod support frame as defined in any one of claims 1 to 5, wherein: and a limiting block (35) is fixed above the rotating sleeve (31) by the screw (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166165.0U CN210286580U (en) | 2019-07-23 | 2019-07-23 | Elevator shaft lifting pulley tripod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166165.0U CN210286580U (en) | 2019-07-23 | 2019-07-23 | Elevator shaft lifting pulley tripod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210286580U true CN210286580U (en) | 2020-04-10 |
Family
ID=70103945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921166165.0U Active CN210286580U (en) | 2019-07-23 | 2019-07-23 | Elevator shaft lifting pulley tripod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210286580U (en) |
-
2019
- 2019-07-23 CN CN201921166165.0U patent/CN210286580U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200940077Y (en) | Miniature crane | |
| CN107923362A (en) | Method for erectting or dismantling multi-rotor wind turbine | |
| CN103434972B (en) | Stepping type hoisting platform and operation method thereof | |
| CN210286580U (en) | Elevator shaft lifting pulley tripod | |
| CN214879322U (en) | Anti-falling device for construction | |
| CN202744232U (en) | Tower crane long suspension arm lifting steel rope supporting device | |
| CN209127923U (en) | A kind of small-sized single armed of rotational automatic formula is hung | |
| CN102061889B (en) | Driller tower hoisting device and using method thereof | |
| CN103933675A (en) | High-rise escape device | |
| CN106586914A (en) | Pole climbing lifter | |
| CN203740936U (en) | Long spiral drilling machine top pulley 360-degree rotating mechanism | |
| CN111206762A (en) | Building outer wall operation platform capable of being clamped on floor slab and being quickly disassembled and assembled | |
| CN206720600U (en) | A kind of tower crane of high stability | |
| CN203021223U (en) | Variable-amplitude pulley block structure for crane and crane with mechanism | |
| CN212897871U (en) | City intelligence bayonet socket pole setting | |
| CN212669035U (en) | High altitude construction auxiliary device for building | |
| CN201874478U (en) | Tower hoisting device for drilling rig tower | |
| CN207375669U (en) | The electronic lifting bracket of cable tunnel inner column formula cable | |
| CN210655968U (en) | Tubular product hoist device for low-rise building construction | |
| CN2835195Y (en) | Automatic balance hydraulic crane device | |
| CN212688891U (en) | Obstacle crossing device for runner inclined plane operation maintenance hanging basket | |
| CN217113137U (en) | Rotating tool of pipeline butterfly valve | |
| CN103626007A (en) | Head sheave frame mechanism of construction lifter | |
| CN218708727U (en) | Iron core extracting and transferring device of iron remover | |
| CN210620126U (en) | Portable steel wire rope unwinding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |