Suspension hovering lifter device

Abstract

The utility model discloses a suspension hovering lifter device which comprises a back plate, an outer cover, a worm bearing seat support, a main shaft, a front plate and a front face cover, the end face of the back plate is connected with the end face of the front plate through the worm bearing seat support, the outer cover is arranged on the worm bearing seat support in a covering mode, and the front face cover is connected with the other end face of the front plate. One end of the main shaft is rotationally connected with the back plate, the other end of the main shaft penetrates through the front plate and is rotationally connected with the front plate, the main shaft is sleeved with a take-up wheel, a worm gear and a ratchet gear, a worm is installed on the worm bearing support, and the worm is meshed with the worm gear. The front plate is provided with a cam shaft, a switching shifting wheel, a clamp spring key and a torque spring, one end of the cam shaft is rotationally connected with the front plate, the other end of the cam shaft is connected with the switching shifting wheel, the clamp spring key is rotationally connected with the front plate and abuts against the torque spring, and the end of the clamp spring key abuts against the ratchet wheel. When the switching shifting wheel rotates, the cam shaft is driven to rotate so as to extrude the snap spring key, and therefore the snap spring key can abut against and be separated from the ratchet wheel.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lifting appliance, concretely relates to a suspension and hovering hoist device. BACKGROUND

[0002] At present, in order to effectively utilize the area, large objects such as beds, large dining tables, conference tables, large workbench plates or retractable special-shaped decorative ceiling structures are often suspended and locked on the roof to make the ground space available and expand its use function. In the existing lifting equipment, due to the actual construction requirements on site, the object needs to be lifted and suspended at a specific height and position. At present, there is no large heavy object suspension and hovering device application, only a small load lifting clothesline is used, and the clothesline fixing position of the lifting mechanism device is not accurate and unstable due to the simple anti-falling spring device and winding wheel structure, the steel cable winding and unwinding are also prone to winding and cannot be used, the failure rate is high and the safety is insufficient, and the work is unstable.

[0003] The existing structure for lifting heavy objects through pulleys and cables mostly adopts the mode that a motor drives a winding wheel through a speed reducer to realize the suspension of heavy objects, and the structure is complex. The traditional manual mode is time-consuming and laborious, and a large number of manual labor is required for heavy objects, and the fixing mode of the cable is complex when hovering. The traditional mode is to wind the cable on the existing fixed object, which greatly increases the difficulty of operation. At the same time, the operation is complex and the safety is low when realizing the suspension of heavy objects at different heights. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the above problems and provides a hoist device which is simple to operate, low in manufacturing cost and capable of realizing the suspension of heavy objects at different heights.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows: a suspension and hovering hoist device, comprising a back plate, an outer cover, a worm bearing seat support, a main shaft, a front plate and a front cover, the end faces of the back plate and the front plate are connected through the worm bearing seat support, the outer cover is arranged on the worm bearing seat support, and the other end face of the front plate is connected with the front cover; one end of the main shaft is rotatably connected with the back plate, the other end of the main shaft penetrates through the front plate and is rotatably connected, the winding wheel, the worm gear and the ratchet gear are sleeved on the main shaft, the worm is installed on the worm bearing seat support, and the worm is engaged with the worm gear; the front plate is provided with a camshaft, a switching pull wheel, a snap spring key and a torque spring, one end of the camshaft is rotatably connected with the front plate, the other end of the camshaft is connected with the switching pull wheel, the snap spring key is rotatably connected with the front plate, the snap spring key abuts against the torque spring, the end of the snap spring key abuts against the ratchet gear, and the switching pull wheel drives the camshaft to rotate when rotating, thereby extruding the snap spring key to realize the abutment and separation of the snap spring key and the ratchet gear.

[0006] Preferably, the worm bearing seat support comprises support columns and a support stand, the number of the support columns is two and the support columns are arranged in parallel, one end of the support column is fixedly connected with the back plate, and the other end of the support column is fixedly connected with the front plate; the support stand is in a "C" shape structure in cross section, and the two ends of the support stand are connected with the back plate and the front plate respectively; and the support stand is provided with a support stand through hole, and the end of the worm is arranged in the support stand through hole.

[0007] Preferably, the front plate is provided with a support end face plate column and a support end face plate screw, the torque spring is sleeved on the support end face plate column, one end of the torque spring is connected with the support end face plate screw, and the other end of the torque spring is in abutment with the snap spring key.

[0008] Preferably, the snap spring key is in a bending structure, and the snap spring key comprises a snap spring key column and a snap spring key moving block which are sequentially fixedly connected; the snap spring key column is in a column structure, the snap spring key column is rotationally connected with the front plate, the snap spring key moving block is in a plate structure, the end of the snap spring key moving block is in a tooth structure, and the end of the torque spring is in abutment with the tooth structure on the snap spring key moving block.

[0009] Preferably, the snap spring key, the torque spring, the support end face plate column and the support end face plate screw form an adjusting group, and the number of the adjusting groups is two and the adjusting groups are symmetrically arranged on the two sides of the camshaft.

[0010] Preferably, the back plate is provided with a back plate bearing, the front plate is provided with a front plate bearing, and the two ends of the main shaft are arranged in the back plate bearing and the front plate bearing respectively.

[0011] Preferably, the front cover is in a "J" shape structure in cross section, the end of the camshaft is arranged in the front cover and is fixedly connected with the center of the switching pulley.

[0012] Preferably, the take-up wheel is in a rotary body structure, the end surface of the take-up wheel is provided with an annular groove, and the take-up wheel is in a "U" shape structure in cross section which is symmetrical and connected; the take-up wheel is provided with a take-up wheel first hole and a take-up wheel second hole, the take-up wheel first hole and the take-up wheel second hole are communicated, the axis of the take-up wheel first hole and the axis of the take-up wheel second hole are perpendicular to each other; the take-up wheel first hole is provided with a lifting steel cable, and the take-up wheel second hole is provided with a steel cable lock compression screw, the take-up wheel second hole is a threaded hole and is in screw thread cooperation with the steel cable lock compression screw, and the end of the steel cable lock compression screw is in abutment with the lifting steel cable.

[0013] Preferably, the end of the worm is sleeved with a handle, the handle is in a bending structure, and the handle is fixedly connected with the worm.

[0014] The utility model discloses beneficial effects are:

[0015] 1. The utility model provides a kind of suspension hover hoist device, when heavy object is lifted to roof suspension by the traction of steel cable, locking is carried out, safety is greatly guaranteed, meet the design and use requirement of the product when using.When heavy object falls to the ground, it is placed on the ground by its own support.

[0016] 2, the utility model simple structure, and no high-precision processing process requirement, manufacturing cost is lower, installation construction is convenient, greatly meet the realization of special demand.

[0017] 3, the utility model its bearing capacity and safety guarantee measure, it has brought the improvement of comprehensive performance and cost performance, the utility model strengthens design to structure on one hand, and adds worm gear drive, so that it is very labor-saving when lifting heavy object, since the self-locking characteristic of worm gear, so it can be easily operated during lifting or lowering process, the weight of object is borne by worm gear, the utility model also adds bidirectional ratchet lock structure, so that heavy object can be stopped at any position and be locked, ensure safety. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the structure schematic view of the utility model a kind of suspension hover hoist device;

[0019] Figure 2 It is the structure schematic view of the utility model worm gear bearing seat support part;

[0020] Figure 3 It is the sectional structure schematic view of the utility model Figure 2 ;

[0021] Figure 4 It is the distribution schematic view of equipment installed on the front plate of the utility model;

[0022] Figure 5 It is the position change diagram of snap spring key when camshaft rotates;

[0023] Figure 6 It is the position structure schematic view of take-up reel of the utility model;

[0024] Figure 7 It is the sectional structure schematic view of take-up reel of the utility model;

[0025] Figure 8 It is the connection schematic view of worm gear and worm of the utility model;

[0026] Figure 9 It is the lateral front structure schematic view of the utility model Figure 8 ;

[0027] Figure 10 It is the position schematic view of front cover and switching pull wheel of the utility model;

[0028] Figure 11 is the utility model Figure 10 of the lateral elevation view.

[0029] Mark explanation: 1, backboard;2, cover;3, worm bearing seat support;4, main shaft;5, front plate;6, front cover;10, backboard bearing;31, worm;32, support column;33, support vertical plate;34, handle;41, take-up reel;42, worm wheel;43, ratchet wheel;50, camshaft;51, switch pull wheel;52, snap spring key;53, torque spring;54, support end panel column;55, support end panel screw;56, front plate bearing;411, take-up reel first hole;412, take-up reel second hole;413, lifting steel cable;414, steel cable lock pressure screw;521, snap spring key column;522, snap spring key moving block;523, snap spring key fixed column. Specific embodiments

[0030] The utility model makes further explanation in combination with the drawings and specific embodiments:

[0031] As Figures 1 to 11 shown, the utility model provides a kind of suspension hover hoist device, including backboard 1, cover 2, worm bearing seat support 3, main shaft 4, front plate 5 and front cover 6, the end surface of backboard 1 and front plate 5 is connected by worm bearing seat support 3, cover 2 is covered in worm bearing seat support 3, and front cover 6 is connected with the other end surface of front plate 5.The one end of main shaft 4 is rotatably connected with backboard 1, and the other end of main shaft 4 is rotatably connected with front plate 5, and take-up reel 41, worm wheel 42 and ratchet wheel 43 are sleeved on main shaft 4, worm bearing seat support 3 is installed with worm 31, and worm 31 is engaged with worm wheel 42.The front plate 5 is equipped with camshaft 50, switch pull wheel 51, snap spring key 52 and torque spring 53, one end of camshaft 50 is rotatably connected with front plate 5, the other end of camshaft 50 is connected with switch pull wheel 51, snap spring key 52 is rotatably connected with front plate 5, snap spring key 52 is abutted with torque spring 53, the end of snap spring key 52 is abutted with ratchet wheel 43, and switch pull wheel 51 is rotated when rotating, and then extrude snap spring key 52, so that the abutment and separation of snap spring key 52 and ratchet wheel 43 are realized.

[0032] Worm bearing seat support 3 includes support column 32 and support vertical plate 33, the number of support column 32 is two and is arranged in parallel, one end of support column 32 is fixedly connected with backplate 1 by screw, and the other end of support column 32 is fixedly connected with front plate 5 by screw.The section of support vertical plate 33 is "C" letter shape structure, and the two ends of support vertical plate 33 are connected with backplate 1 and front plate 5 by screw respectively, support vertical plate 33 is equipped with support vertical plate through-hole, and the end of worm 31 is arranged in support vertical plate through-hole.

[0033] In the embodiment, the outer cover 2 is connected by a plate structure, which is a hollow cuboid frame structure. The outer cover 2 covers the worm bearing seat bracket 3 and the internal equipment to protect them. The plate structure is a thin plate structure of a cuboid.

[0034] The front plate 5 is provided with a bracket end face plate column 54 and a bracket end face plate screw 55. The torque spring 53 is sleeved on the bracket end face plate column 54. One end of the torque spring 53 is connected with the bracket end face plate screw 55. The other end of the torque spring 53 abuts against the circlip key 52.

[0035] The circlip key 52 is a bent structure. The circlip key 52 includes a circlip key column 521 and a circlip key moving block 522 which are sequentially fixed. The circlip key column 521 is a column structure. The circlip key column 521 is rotationally connected with the front plate 5. The circlip key moving block 522 is a plate structure. The end of the circlip key moving block 522 is a toothed structure. The end of the torque spring 53 abuts against the toothed structure on the circlip key moving block 522. The end of the circlip key moving block 522 abuts against or separates from the ratchet gear 43 in the rotation process, thereby realizing the corresponding operation process.

[0036] In the embodiment, the front plate 5 is fixed with a circlip key fixing column 523. The circlip key column 521 is a hollow structure with an open bottom. The circlip key column 521 is sleeved on the circlip key fixing column 523. The end of the circlip key column 521 is provided with a circlip key column through hole. The circlip key column through hole is in communication with the cavity inside the circlip key column 521. The screw passes through the circlip key column through hole and extends into the inside of the circlip key fixing column 523 to form a connection, thereby constituting a rotatable screw connection. The screw is in clearance fit with the circlip key column 521. The rotatable screw connection means that the circlip key column 521 can rotate around the circlip key fixing column 523.

[0037] The circlip key 52, the torque spring 53, the bracket end face plate column 54 and the bracket end face plate screw 55 constitute an adjusting group. The number of the adjusting groups is two and they are symmetrically distributed on both sides of the camshaft 50. In the rotation process of the camshaft 50, different circlip keys 52 are extruded, so that the corresponding circlip keys 52 and the ratchet gear 43 realize contact and separation. When the circlip key 52 abuts against the ratchet gear 43, the ratchet gear 43 cannot rotate, thereby realizing the locking of the ratchet gear 43. Through the cooperation of the two adjusting groups, the stability of the locking is increased.

[0038] The back plate 1 is provided with a back plate bearing 10. The front plate 5 is provided with a front plate bearing 56. The two ends of the main shaft 4 pass through the back plate bearing 10 and the front plate bearing 56 respectively.

[0039] The cross section of the front cover 6 is in the shape of a Chinese character "j", the end of the cam shaft 50 is arranged in the rear of the front cover 6 and is fixed to the center of the switching pull wheel 51. The front cover 6 is arranged on the front plate 5 and is connected by screws and protects the internal structure. The switching pull wheel 51 is arranged outside the front cover 6.

[0040] The winding wheel 41 is a rotary body structure, the end surface of the winding wheel 41 is provided with an annular groove, and the cross section of the winding wheel 41 is in a "U" shape structure which is symmetrical and connected. The winding wheel 41 is provided with a winding wheel first hole 411 and a winding wheel second hole 412, the winding wheel first hole 411 and the winding wheel second hole 412 are communicated, and the axis of the winding wheel first hole 411 and the axis of the winding wheel second hole 412 are perpendicular to each other. The winding wheel first hole 411 is provided with a lifting steel cable 413, and the winding wheel second hole 412 is provided with a steel cable locking screw 414, the winding wheel second hole 412 is a threaded hole and is screwed with the steel cable locking screw 414, and the end of the steel cable locking screw 414 abuts against the lifting steel cable 413.

[0041] The end of the worm 31 is sleeved with a handle 34, the handle 34 is a bending structure, and the handle 34 is fixedly connected with the worm 31. In use, the handle 34 is rotated to drive the main shaft 4 to rotate through the connection mode of the worm and the gear, and then the winding operation of the winding wheel 41 on the lifting steel cable 413 is realized.

[0042] In use, the existing expansion screw is used to anchor the lifting device in the existing side wall. The lifting steel cable 413 is a steel cable rope, two steel cable ropes with a diameter of 3mm are laid out through the handle 34, the length of the laid-out steel cable rope is adjusted, the other end of the lifting steel cable 413 is connected with the existing suspended object, at this time, the suspended object is on the ground, after the height and the level are adjusted, the steel cable rope is locked, and the whole installation operation is completed.

[0043] In the embodiment, three positions of "lowering", "locking" and "lifting" are marked on the front cover 6, and a rectangular structure mark is arranged on the switching pull wheel 51, the rectangular structure mark corresponds to the three positions of "lowering", "locking" and "lifting" in the rotating process of the switching pull wheel 51, so that the corresponding functions are realized. The rectangular structure mark is a groove structure.

[0044] The switching pull wheel 51 has three positions, and the rectangular structure mark corresponds to the lower state position, that is, the function state. When the "lowering" position is aligned, the handle 34 can be counterclockwise rotated, the suspended object is lowered through the lifting steel cable 413, when the "lifting" position is aligned, the handle 34 can be clockwise rotated to lift the suspended object, and when the "locking" position is aligned, the inner snap spring key 52 is clamped to the ratchet gear 43 under the action of the spring force, so that the main shaft 4 cannot be rotated, and therefore the handle 34 cannot be rotated in two directions at this time, and the object is locked and suspended in the air.

[0045] The take-up wheel 41 is connected with the main shaft 4 through a key, and the clockwise rotation of the main shaft 4 is to take up the steel cable, at this time, the object is lifted, and the counterclockwise rotation is to release the steel cable, at this time, the object is lowered. The head of the steel cable is inserted into the wheel body of the take-up wheel 41 and is pressed tightly by the steel cable lock screw 414, so as to be fixed. The worm wheel 42 is connected with the main shaft 4 through a key, and is engaged with the worm 31, when the worm 31 is rotated through the handle 34, the worm wheel 42 and the take-up wheel 41 are driven to rotate, and due to the self-locking of the worm wheel and the worm, the weight of the heavy object is borne by the worm wheel and the worm, and the lifting and lowering of the object can only be realized by rotating the worm 31. In addition, due to the speed reduction ratio of the worm wheel and the worm, the rotation torque of the worm 31 is very small, so that the driving force of the handle 34 is small, and therefore the object can be easily lifted. The ratchet wheel 43 is also connected with the main shaft 4 through a key, and the snap spring keys 52 are arranged on both sides of the ratchet wheel 43, and under the action of the spring force, the snap spring keys 52 are always in contact with the ratchet wheel 43, so as to limit the rotation of the main shaft 4. The cam shaft 50 is arranged between the two snap spring keys, and by rotating the cam shaft 50, the separation and engagement of the snap spring keys 52 and the ratchet wheel 43 are controlled, so that the locking state setting of lifting and suspension is achieved.

[0046] The utility model discloses a through the sling pulley assembly, use steel cable connection suspension object, through take -up wheel 41 solution steel cable's take -up and storage. Because the suspension object has certain weight, in the process of lifting and lowering, the weight bearing of the suspension object must be kept from beginning to end, and simultaneously requires labor -saving transmission device, so specially set up worm gear drive mechanism to complete self -locking and labor -saving function. After the heavy object is suspended in place, it is very important that its state keeps and safety locking, at this time, the handle 34 must be locked and can not be operated, and for this, the structure of the ratchet lock is set up, and the suspension is stable and safe is ensured.

[0047] Those skilled in the art will appreciate that the embodiments described herein are presented for purposes of illustration and understanding of the principles of the present application and are not intended to be exclusive or exhaustive. Various other modifications and combinations of the application disclosed herein can be made by those skilled in the art without departing from the spirit and scope of the present application.

Claims

1. A suspended hoverlift device, characterized by: The utility model provides a front cover, the front cover is connected with the other end surface of front plate (5), the utility model discloses a back plate (1), cover (2), worm bearing seat support (3), main shaft (4), front plate (5) and front cover (6) are included, and the end surface of back plate (1) and front plate (5) is connected through worm bearing seat support (3), and cover (2) covers is set on worm bearing seat support (3), and the other end surface of front plate (5) is connected with front cover (6), the one end of main shaft (4) is rotatably connected with back plate (1), and the other end of main shaft (4) is set on front plate (5) and rotatably connected, and the reel (41) of winding, worm wheel (42) and ratchet wheel (43) are sleeved on main shaft (4), and worm bearing seat support (3) is installed with worm (31), and worm (31) is engaged with worm wheel (42), the camshaft (50) of front plate (5) is provided with, and the switching pull wheel (51) is provided with, and the snap spring key (52) and the torque spring (53) are provided with, and the one end of camshaft (50) is rotatably connected with front plate (5), and the other end of camshaft (50) is connected with switching pull wheel (51), and snap spring key (52) is rotatably connected with front plate (5), and snap spring key (52) is abutted with torque spring (53), and the end of snap spring key (52) is abutted with ratchet wheel (43), and switching pull wheel (51) is rotated when rotating and drives camshaft (50) to rotate and then extrudes snap spring key (52), to realize the abutment and separation of snap spring key (52) and ratchet wheel (43).

2. A suspended hoverlift device according to claim 1, wherein: The worm bearing seat support (3) includes a support column (32) and a support stand (33), the support column (32) is parallelly arranged in two, one end of the support column (32) is fixedly connected with the back plate (1), the other end of the support column (32) is fixedly connected with the front plate (5), the support stand (33) has a "C" shaped structure, both ends of the support stand (33) are connected with the back plate (1) and the front plate (5) respectively, the support stand (33) is provided with a support stand through hole, and the end of the worm (31) is arranged in the support stand through hole.

3. A levitation hoverlift device according to claim 1, wherein: The front plate (5) is provided with a support end face plate column (54) and a support end face plate screw (55), the torque spring (53) is sleeved on the support end face plate column (54), one end of the torque spring (53) is connected with the support end face plate screw (55), and the other end of the torque spring (53) is abutted with the snap spring key (52).

4. A levitation hoverlift device according to claim 1, wherein: The snap spring key (52) has a bending structure, and includes a snap spring key column (521) and a snap spring key moving block (522) which are sequentially fixedly connected, the snap spring key column (521) is a column structure and is rotatably connected with the front plate (5), the snap spring key moving block (522) is a plate structure, the end of the snap spring key moving block (522) has a toothed structure, and the end of the torque spring (53) is abutted with the toothed structure on the snap spring key moving block (522).

5. A levitation hoverlift device according to claim 1, wherein: The snap spring key (52), the torque spring (53), the support end face plate column (54) and the support end face plate screw (55) constitute an adjusting group, and the adjusting group is arranged on both sides of the camshaft (50) in two and symmetrically.

6. A levitation hoverlift device according to claim 1, wherein: The back plate (1) is provided with a back plate bearing (10), the front plate (5) is provided with a front plate bearing (56), and the two ends of the main shaft (4) are respectively arranged in the back plate bearing (10) and the front plate bearing (56).

7. A levitation hoverlift device according to claim 1, wherein: The cross section of the front cover (6) is in the shape of "J", the end of the camshaft (50) is arranged in the front cover (6) and is fixedly connected with the center of the switching pull wheel (51).

8. A levitation hoverlift device according to claim 1, wherein: The collecting wheel (41) is a rotary body structure, the end surface of the collecting wheel (41) is provided with an annular groove, the cross section of the collecting wheel (41) is in the shape of "U" which is symmetrical and connected; the collecting wheel (41) is provided with a collecting wheel first hole (411) and a collecting wheel second hole (412), the collecting wheel first hole (411) and the collecting wheel second hole (412) are communicated, the axis of the collecting wheel first hole (411) and the axis of the collecting wheel second hole (412) are perpendicular to each other; the collecting wheel first hole (411) is provided with a lifting steel cable (413), the collecting wheel second hole (412) is provided with a steel cable locking screw (414), the collecting wheel second hole (412) is a threaded hole and is screwed with the steel cable locking screw (414), and the end of the steel cable locking screw (414) is abutted with the lifting steel cable (413).

9. A levitation hoverlift device according to claim 1, wherein: The end of the worm (31) is sleeved with a handle (34), the handle (34) is a bending structure, and the handle (34) is fixedly connected with the worm (31).

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