CN113545605A - Suspended commodity shelf and mounting method thereof - Google Patents

Abstract

The invention discloses a suspended commodity shelf and an installation method thereof, wherein the suspended commodity shelf comprises a loading platform and at least two fixing pieces, a rigid connecting piece is connected with the loading platform and the fixing pieces, and the rigid connecting piece is a linear lifting mechanism; each linear lifting mechanism is driven by a motor, and two adjacent linear lifting mechanisms are connected with the same transmission rod; every sharp elevating system is ball screw sub-assembly: the inner tube is fixed with the mounting, the relative inner tube axial sliding fit of well pipe and outer tube, and the servo motor of detachable connection on the mounting is connected and the drive rotates through drive mechanism and interior screw rod upper end, closes including the interior screw-nut on the screw rod soon and is connected and drive the lift through outer support tube, well union piece and well union coupling that lie in the inner tube, drives the lift of cargo platform layer board and outer tube simultaneously. The lifting process does not shake, the carrying platform is relatively fixed when articles are taken and placed, the articles are convenient to take and have safety and good bearing capacity and balance, and the packaging cost and the transportation cost are saved due to detachable connection.

Description

Suspended commodity shelf and mounting method thereof

Technical Field

The invention relates to the technical field of indoor storage devices, in particular to a suspended storage rack and an installation method thereof.

Background

Garages, storerooms, families or office places generally need the commodity shelf to place articles, the traditional is a floor type, in order to save indoor space, the rear is often changed into a wall-mounted commodity shelf or a suspended commodity shelf or an inverted commodity shelf, and the latter is generally fixed on a ceiling or a house beam. Compared with a floor type commodity shelf and a wall-mounted commodity shelf, the suspension type commodity shelf has the advantage of occupying no activity space of people.

At present, the rotary hanging type commodity shelf has various types and different structures, but the suspension type commodity shelf in the prior art still has the following defects: some structures are firm, but cannot be lifted, and the articles are inconvenient to place or take. Some devices can lift, but all adopt pulleys and pull ropes to lift, and the lifting speed and the lifting efficiency of the devices need to be improved; due to the rope connection, the object carrying platform is not fixed and is easy to shake when taking and placing objects, so that the objects are not convenient to take and the safety sense is lacked; because of the randomness of placing articles, the imbalance of placing articles on the loading platform is a common phenomenon, but the bearing capacity, the balance, the smoothness and the safety of the lifting of the rotary hanging type article placing shelf in the prior art are seriously influenced; in addition, because the restriction that the stay cord hung, overall structure can only be makeed into, can not adapt to the demand of the difference of different indoor spaces, overall structure is heavy during the installation, and is bulky, and the installation need whole journey cooperation of many people, waste time and energy, and the installation effectiveness is low relatively, and whole packing transportation occupation space is big, and packing cost of transportation is high.

Disclosure of Invention

The invention aims to solve the technical problem of providing a suspension type storage rack which can be lifted, does not shake in the lifting process, is relatively fixed on a carrying platform when an article is taken or placed, is convenient to take and has safety and good bearing capacity and balance.

The invention provides a suspension type commodity shelf, which comprises a loading platform and at least two fixing pieces, wherein a rigid connecting piece is connected with the loading platform and the fixing pieces and is a linear lifting mechanism; each linear lifting mechanism is driven by a motor, and two adjacent linear lifting mechanisms are connected with the same transmission rod.

After adopting the structure, the suspension type commodity shelf has the following advantages: because the fixing piece is connected with the carrying platform through the rigid connecting piece, the carrying platform is relatively fixed with the fixing piece when articles are placed or taken, the articles are convenient to take and place, and the article carrying platform does not shake and is very safe and reliable. Especially, adopt sharp elevating system, can be according to people's height with the height that objective platform goes up and down the most suitable article of placing or taking, convenience and safety when guaranteeing to take article can guarantee again not rock and can steady sharp fast and stable go up and down when guaranteeing objective platform to go up and down. Because each linear lifting mechanism is driven by a motor independently, if two linear lifting mechanisms are driven by two servo motors respectively and connected with the same transmission rod, even if articles are placed on the loading platform at will, the articles placed on the loading platform are unbalanced, namely the pressure on the loading platform is unbalanced, the operation of the suspension type storage rack can not be influenced negatively.

Further, every straight line elevating system is ball screw sub-assembly: the inner pipe is fixed with the fixing piece, the middle pipe and the outer pipe are in axial sliding fit relative to the inner pipe, the servo motor is connected with the upper end of the inner screw rod through the transmission mechanism and drives the inner screw rod to rotate, and the inner screw rod nut screwed on the inner screw rod is connected with the middle pipe through the outer supporting pipe and the middle pipe connecting piece positioned in the inner pipe and drives the middle pipe to lift; the inner screw rod and the outer screw rod sleeved outside are circumferentially limited and axially slide, and an outer screw rod nut which is screwed with the outer screw rod and is driven to lift is connected with the inner supporting tube, the supporting plate outer tube connecting piece, the carrying platform supporting plate and the outer tube and drives the lifting. After the linear lifting mechanism adopts the specific structure, the guidance performance among the tubes is good when the linear lifting mechanism is lifted, and the lifting operation is stable and reliable. Particularly, the inner screw rod and the outer screw rod realize synchronous rotation and respectively slide axially, the speed and the efficiency are greatly improved, for example, when the inner screw rod nut drives the middle pipe to descend for 15 centimeters through the outer supporting pipe and the middle pipe connecting piece, the outer screw rod nut drives the supporting plate of the object carrying platform and the outer pipe to descend for 15 centimeters through the inner supporting pipe and the connecting piece on the basis of descending for 15 centimeters, the descending speed, namely the stroke, of the object carrying platform is doubled and ascended when the motor rotates every time, namely, the ascending speed and the ascending efficiency of the invention are doubled.

Furthermore, the bottom end of the inner supporting tube is sealed, and lubricating grease is arranged in the inner supporting tube, on the inner screw rod and on the outer screw rod; the bottom of the outer screw rod is rotatably matched and axially limited with a radial limiting block, and the outer screw rod is lifted to drive the radial limiting block to slide up and down relative to the inner wall of the inner support pipe. After the structure is adopted, the lubricating grease has a lubricating function, the limiting blocks perform radial limiting and left and right limiting, so that the guidance quality, working flexibility, stability and reliability of the linear lifting mechanism are stronger, the failure rate is low, the service life of the linear lifting mechanism is prolonged, and the noise is greatly reduced. The radial limiting block has a great function of preventing the screw rod from being separated from the screw rod nut so as to ensure that the object carrying platform cannot fall off and ensure safety, and certainly, the stroke of the screw rod cannot be separated from the screw rod nut in general.

And the bevel gear with a vertical counter bore is screwed in a central threaded hole at the upper end of the inner screw rod by a fastening screw penetrating through the central counter bore, the lower end face of the bevel gear with the vertical counter bore is matched on a step face of the seal head by a thrust ball bearing, and the seal head is formed by screwing an upper part and a lower part by screws. After the structure is adopted, the transmission mechanism is simple in structure, the transmission part is directly installed in the seal heads connected up and down, an original gear box in the transmission part is omitted, the structure is simple, parts are few, the installation is convenient, and the rotating operation is more stable and reliable.

Furthermore, an external thread is arranged on the inner screw rod below the thrust ball bearing, a safety nut for preventing the inner screw rod from separating from the seal head is screwed on the external thread, the safety nut is positioned in a cavity formed by the bottom surface of the thrust ball bearing and the seal head bottom plate, gaps are formed between the safety nut and the axial direction of the thrust ball bearing and the seal head bottom plate, and the outer diameter of the safety nut is larger than the aperture of a center hole at the position of the seal head. After the structure is adopted, the safety nut can ensure safety, and in case the screw of the central counter bore is loosened, the safety nut can also reliably suspend the inner screw rod in the end socket fixed with the inner pipe and the fixing piece, so that the potential safety hazard that the linear lifting mechanism and the object placing platform fall can be avoided.

Furthermore, the transmission rod is composed of an inner rod and an outer sleeve which are in axial sliding fit, and the inner rod and the outer sleeve are provided with axial limiting structures. After adopting above structure, both guaranteed foretell synchronism good, advantage that the wholeness is strong, provided a structural basis for the following suspension type supporter is whole laborsaving, convenient and efficient mounting method again.

Furthermore, the fixing part of the fixing part and the fixing part of the linear lifting mechanism are detachably connected, and the lifting part of the linear lifting mechanism and the carrying platform are detachably connected. After the structure is adopted, the parts can be installed one by one in sequence respectively, the defect of heavy overall structure and large size is overcome, the installation process needs two persons to be matched and installed except for individual parts, one person can basically complete the installation of the suspended type storage rack, after the fixing piece is fixed on a ceiling or a house beam, the top end of a linear lifting mechanism is temporarily suspended through holes in the parts by adopting temporary hooks or ropes only through the matching of other persons, one person can complete the installation of the whole process through screw connection, time and labor are saved, the installation efficiency is relatively high, after the parts are disassembled into different parts, the occupied space of packaging and transportation is relatively small, and the packaging and transportation cost is greatly saved.

Furthermore, the mounting is two, and every mounting is horizontal dead lever, and there are a plurality of first through-holes of wearing the screw usefulness at the both ends of every horizontal dead lever. After adopting above structure, the fixed part simple structure, save material and with the ceiling or the fixed connection of room roof beam reliable.

Furthermore, the fixed part of the linear lifting mechanism is an inner pipe, two outer sides of the top end of the inner pipe are respectively fixed with an angle steel connecting piece used for being in threaded connection with a top plate and an outer side plate of the fixing piece, and the top end of the fixed pipe is located in the middle of the length of the fixing piece. After the structure is adopted, the connection structure of the inner pipe and the fixing part is firm and reliable, the mechanical property of the suspension is good, the bearing capacity of the storage rack is stronger, and another structural foundation is provided for the following installation method of the suspension type storage rack, which is labor-saving, convenient and efficient in whole.

Furthermore, a longitudinal connecting rod is arranged between the two fixing pieces and consists of an inner sleeve and an outer sleeve which are in axial sliding fit, male tenons are arranged at the joints of the two ends of the sleeves and the side plates of the respective fixing pieces, jacks for the male tenons to be inserted are arranged on the two side plates of the fixing pieces, and axial limiting structures are arranged on the inner sleeve and the outer sleeve. After the structure more than adopting, this suspension type supporter's wholeness is better, and the structure is more firm, has further guaranteed the security of convenience and suspension type supporter when taking and putting article. And because the longitudinal connecting rod has extending structure, can adjust its length to but the axial is spacing, makes cargo platform's longitudinal length adjustable, in order to adapt to the demand of the differentiation of different indoor spaces, makes this suspension type supporter's application range wider.

Further, the bottom mounting of the outer tube in every sharp elevating system's the lift portion has a cargo platform layer board, and the both ends of every cargo platform layer board all with one vertically put thing pole detachable connections, two vertically put on the thing pole interval detachable connections have many horizontal thing poles of putting that are parallel to each other, every vertically put the thing pole and constitute by axial sliding fit's inside and outside sleeve pipe, have axial limit structure on the inside and outside sleeve pipe. After the structure more than adopting, further refined cargo platform respectively spare part mounting structure one by one in proper order, further overcome prior art's overall structure heavy, bulky shortcoming, alone can accomplish this cargo platform's installation basically, labour saving and time saving, the installation effectiveness is relatively high, has further reduced packing transportation occupation space, has further practiced thrift packing and cost of transportation.

Further, the motor is arranged on a motor mounting rack, and one side of the motor mounting rack is in threaded connection with the inner side of a fixing pipe of the linear lifting mechanism fixed on the fixing piece; the two motor mounting frames are in threaded connection with longitudinal reinforcing rods, each longitudinal reinforcing rod is composed of an inner channel steel and an outer channel steel in axial sliding fit, and axial limiting structures are arranged on the inner channel steel and the outer channel steel. After the structure more than adopting, the bearing structure of motor is more firm, and motor operational reliability is stronger, and the noise is littleer, and the security is better. And because vertical stiffener has extending structure, can adjust its length, makes cargo platform's vertical length adjustable to but the axial is spacing, makes this suspension type supporter's application range more extensive in order to adapt to the demand of the differentiation of different indoor spaces. Moreover, the installation can be completed by one person, and the time and the labor are saved.

Another technical problem to be solved by the present invention is to provide a method for installing a suspended shelf, which is characterized by the above features, and the method can save labor, facilitate and improve efficiency in installation of the suspended shelf, meet the demand of differentiation of different indoor spaces, and save the packaging and transportation costs.

Another technical solution of the present invention is to provide a method for installing a suspension type storage rack, comprising the following steps:

1) fixing two fixing pieces on a ceiling or a house beam through screws;

2) inserting the tenons at the two ends of the longitudinal connecting rod into respective jacks, and then limiting and fixing the axial positions of the inner sleeve and the outer sleeve of the longitudinal connecting rod;

3) the top ends of the two inner pipes are screwed in the middle of the length of each fixing piece one by one through an angle steel connecting piece;

4) the two motor mounting frames provided with the servo motors are respectively screwed at the top ends of the inner pipes by screws, then the two ends of the longitudinal reinforcing rod are screwed on the respective motor mounting frames by screws, and then the axial positions of the inner and outer channel steels of the longitudinal reinforcing rod are limited and fixed;

5) sleeving the inner pipe and the outer pipe of each longitudinal object placing rod, adjusting the length to a preset length, locking the axial limiting structure, placing the two assembled longitudinal object placing rods into grooves at two ends of a supporting plate of the object carrying platform, and screwing and fixing the two assembled longitudinal object placing rods with screws;

6) and a plurality of transverse object placing rods are arranged on the two longitudinal object placing rods in parallel and are fixed in a screwed manner.

After the steps are adopted, the installation method has the following advantages: constitute holistic suspension type supporter, can be respectively in proper order the spare part installation one by one, it is heavy to have overcome overall structure, bulky shortcoming, the installation except that individual part needs two people cooperation installations, basically alone can accomplish the installation of this suspension type supporter, if be fixed in the mounting on ceiling or room roof beam after, only need in addition personnel's cooperation with a sharp elevating system's top adopt interim couple or rope through the hole on the spare part after hanging temporarily, can alone the spiro union and accomplish the installation of overall process, time saving and labor saving, the installation effectiveness is relatively high. And after the movable type packaging machine is disassembled into different parts, the packaging and transportation occupy relatively small space, and the installation and transportation cost is greatly saved. And because the longitudinal connecting rod and the transmission rod have telescopic structures, the length of the longitudinal connecting rod and the transmission rod can be adjusted, so that the longitudinal length of the loading platform can be adjusted, and the suspension type storage rack has a wider application range.

Further, the installation method of the invention can also comprise a step 7): the multi-block longitudinal object placing plates manufactured on site or packaged along with the suspension type object placing rack are placed on the plurality of transverse object placing rods in parallel, the screws penetrate through the second through holes in the transverse object placing rods in a one-to-one correspondence mode, and the multi-block longitudinal object placing plates are fixed on the transverse object placing rods. After the steps are adopted, the carrying platform can stack large-size articles and can also place small-size articles, the transportation cost is saved if a plurality of longitudinal carrying plates manufactured on site are adopted, the transportation cost of foreign import is saved, the elongated longitudinal carrying plates are simple and convenient to manufacture and are more suitable for the individualized requirement according to the indoor space, and the screws penetrate through the prefabricated second through holes on each transverse carrying rod in a one-to-one correspondence mode to fix the longitudinal carrying plates, so that the carrying platform is simple and convenient.

Drawings

Fig. 1 is a schematic perspective view of a suspension type shelf according to the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is a schematic perspective view of the hanging shelf of the present invention (the right end of the motor mounting bracket, the motor, the transmission rod outer sleeve and the locking nut are omitted).

Fig. 4 is an enlarged structural diagram of B in fig. 3.

Fig. 5 is an enlarged schematic view of C in fig. 3.

Fig. 6 is an exploded view of a ball screw assembly according to the present invention (the right motor mounting bracket, motor and drive rod housing and lock nut are omitted).

Fig. 7 is an enlarged schematic view of D in fig. 6.

Fig. 8 is an enlarged schematic view of E in fig. 6.

Fig. 9 is an enlarged structural view of F in fig. 6.

FIG. 10 is a schematic longitudinal sectional view of a ball screw assembly of the present invention taken along a line of constant length.

Fig. 11 is an enlarged schematic view of G in fig. 10.

Fig. 12 is an enlarged schematic view of H in fig. 10.

Fig. 13 is a schematic view of the hanging shelf of the present invention with other parts omitted and with two pairs of bevel gears highlighted.

Fig. 14 is an enlarged schematic view of I in fig. 13.

FIG. 15 is a schematic view of the connection structure of the servo motor and the transmission mechanism (the end socket is omitted; the longitudinal object placing plate and the motor mounting rack, the motor, the transmission rod outer sleeve and the locking nut on the right end are also omitted) in the present invention.

Fig. 16 is an enlarged schematic view of J in fig. 15.

Figure 17 is a schematic longitudinal cross-sectional view of another ball screw assembly of the present invention taken along the centerline of the fastener length.

Fig. 18 is an enlarged schematic view of K in fig. 17 (hatching of the inner lead screw is omitted).

Fig. 19 is an enlarged schematic view of L in fig. 17.

Shown in the figure: 1. a ball screw pair component, 2, a servo motor, 3, a fixing part, 4, a motor mounting rack, 5, a transmission rod, 6, a longitudinal reinforcing rod, 7, a longitudinal connecting rod, 8, a first through hole, 9, an outer pipe, 10, a longitudinal object placing plate, 11, an object carrying platform, 12, an outer sleeve, 13, a first rectangular inner sleeve, 14, a locking nut, 15, a first rectangular outer sleeve, 16, a second polygonal rod, 17, inner channel steel, 18, a third through hole, 19, a long through hole, 20, outer channel steel, 21, an inner pipe, 22, a transverse object placing rod, 23, an object carrying platform supporting plate, 24, a longitudinal object placing rod, 25, a second rectangular outer sleeve, 26, a second rectangular inner sleeve, 27, an angle steel connecting piece, 28, an L-shaped connecting block, 29, a middle pipe, 30, another axial limiting ring, 31, a sealing head, 32, an inner screw rod nut, 33, an outer supporting pipe, 34 and a middle pipe connecting piece, 35. the device comprises a supporting plate outer pipe connector, 36, an outer screw rod, 37, an inner screw rod connector, 38, an inner screw rod, 39, a coupler, 40, an inner supporting pipe, 41, a second radial bearing, 42, a gasket, 43, a first radial bearing, 44, a safety nut, 45, a bevel gear with a vertical central counter bore, 46, a bevel gear with a horizontal central bore, 47, a jack, 48, a male tenon, 49, an outer screw rod nut, 50, a thrust ball bearing, 51, a radial limiting block, 52, an axial limiting ring, 53, a groove, 54, a second through hole, 55, a fourth through hole, 56, a third radial bearing, 57, a first polygonal rod, 58, a worm gear, 59, another outer pipe, 60, another inner pipe, 61, another supporting pipe, 62, another screw rod, 63, another screw rod nut, 64 and another radial limiting block.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It is to be noted that the description of the embodiments is provided to aid understanding of the present invention, and is not intended to limit the present invention. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the hanging shelf of the present invention comprises a carrier platform 11 and at least two fixing members 3. The rigid connecting piece is connected with the loading platform 11 and the fixing piece 3 and is a linear lifting mechanism. Each linear lifting mechanism is driven by a motor such as a servo motor 2, and two adjacent linear lifting mechanisms such as two linear lifting mechanisms in the figure are connected with the same transmission rod 5.

As shown in fig. 1, 2, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16.

Every sharp elevating system is ball screw sub-assembly 1, and ball screw sub-assembly 1 can have two kinds of embodiments, and the structure of a ball screw sub-assembly is: the inner tube 21 is fixed to the fixing member 3, and the intermediate tube 29 and the outer tube 9 are axially slidably fitted with respect to the inner tube 21, that is, the intermediate tube 29 is axially slidably fitted outside the inner tube 21, and the outer tube 9 is slidably fitted outside the intermediate tube 29. The servo motor 2 detachably connected to the fixing member 3 as described below is connected to the upper end of the inner screw 38 via a transmission mechanism and is driven to rotate, and the servo motor 2 drives the inner screw 38 to rotate via the transmission mechanism. The inner screw rod nut 32 screwed on the inner screw rod 38 is connected with the middle pipe 29 through the outer supporting pipe 33 and the middle pipe connecting piece 34 which are positioned in the inner pipe 21 and is driven to lift, and the driving relationship is that the inner screw rod 38 rotates to drive the inner screw rod nut 32 to lift, the outer supporting pipe 33 is driven to lift, and the middle pipe connecting piece 34 drives the middle pipe 29 to lift. The inner screw rod 38 and the outer screw rod 36 sleeved outside are circumferentially limited and axially slide. The outer screw rod nut 49 which is screwed with the outer screw rod 36 and is driven to lift is connected with the inner support tube 40 and the supporting plate outer tube connecting piece 35, connected with the carrying platform supporting plate 23 and the outer tube 9 and driven to lift, and the driving relation is that the outer screw rod 36 and the inner screw rod 38 rotate synchronously, so that the outer screw rod nut 49 is driven to lift, the inner support tube 40 and the supporting plate outer tube connecting piece 35 are driven to lift, and the platform supporting plate 23 and the outer tube 9 are driven to lift. The ball screw assembly is also called a ball screw assembly.

The specific structure of a ball screw subassembly is opened up and is explained: each lifting upright post such as each group of ball screw pair components sequentially comprises an outer tube 9, a middle tube 29 and an inner tube 21 from outside to inside, the inner tube 21 is connected with the fixing piece 3 and is not moved, and the middle tube 29 and the outer tube 9 are sequentially sleeved and can relatively slide to ascend or descend. A linear driving structure is arranged in an inner hole of the inner tube 21 and comprises an inner screw rod 38 and an outer screw rod 36, namely a screw tube, an inner screw rod connector 37 and an outer screw rod connector 37 are fixed at the bottom of the inner screw rod 38, a spline-like structure is arranged on the outer circumference of the inner screw rod connector 37 and the outer screw rod connector 37, a structure which is embedded with a spline-like structure is also arranged on the inner wall of the outer screw rod 36, for example, a convex strip on the outer circumference of the inner screw rod connector 37 is matched with a groove 53 on the inner wall of the outer screw rod 36, and the inner screw rod 38 and the outer screw rod 36, namely the screw tube, are circumferentially limited and can axially slide mutually. The servo motor 2 is connected with the inner screw 38 in a transmission way and is used for driving the inner screw 38 to rotate, the upper end of the inner screw 38 is screwed with the inner screw nut 32, the inner screw nut 32 can also be regarded as an inner screw nut component and comprises an upper nut part and a lower connecting part, a second radial bearing 41 is arranged between the nut part and the inner screw 38, the connecting part is sleeved and fixed with the upper end of the outer supporting pipe 33, the lower end of the outer supporting pipe 33 is fixed with the middle pipe connecting piece 34, and the middle pipe connecting piece 34 is fixed with the middle pipe 29. The outer screw rod 36, namely the outer side wall of the screw pipe, is provided with an external thread extending along the length direction, an outer screw rod nut 49 is screwed on the external thread, the outer screw rod nut 49 is sleeved and fixed with the upper end of the inner support pipe 40, the lower end of the inner support pipe 40 is sleeved and fixed with the supporting plate outer pipe connecting piece 35, and the supporting plate outer pipe connecting piece 35 is sleeved and fixed with the outer pipe 9. The inner support tube 40 can be a round tube, the part of the supporting plate outer tube connecting piece 35 sleeved with the inner support tube 40 can be round, the part of the supporting plate outer tube connecting piece 35 sleeved with the outer tube 9 can be rectangular, and the two parts of the supporting plate outer tube connecting piece 35 are fixed into a whole, such as can be screwed into a whole by using screws. From inside to outside, the inner screw 38 can also be called a screw rod, the inner support tube 40 can also be called a No. 1 tube or a circular tube, the outer support tube 33 can also be called a No. 2 tube or a first rectangular tube, the inner tube 21 can also be called a No. 3 tube or a second rectangular tube, the middle tube 29 can also be called a No. 4 tube or a third rectangular tube, and the outer tube 9 can also be called a No. 5 tube or a fourth rectangular tube. The inner lead screw nut 32 may have a rectangular shape, the outer lead screw nut 49 may have a circular shape, the middle tube connector 34 may have a rectangular shape, and the upper portion and the lower portion of the pallet outer tube connector 35 may have a circular shape and a rectangular shape, respectively.

The driving rod 5 is composed of an inner rod such as a second polygonal rod 16 which is axially matched in a sliding manner and an outer sleeve such as an outer sleeve 12 with a polygonal inner hole, the outer sleeve 12 can also be called a circular outer sleeve, axial limiting structures are arranged on the inner rod and the outer sleeve 12, for example, two ends of the second polygonal rod 16 are sleeved in the outer sleeve 12 with the polygonal inner hole in the figure 1, and the driving rod 5 can be fixed at the well-adjusted axial position after being sleeved by a locking nut 14. The lock nut 14 has a compression cone with a plurality of axial openings therein, and tightening of the lock nut 14 locks the second polygonal rod 16 in axial position with the outer sleeve 12.

As can be seen from the above structure, the bottom end of the inner support tube 40 is sealed, and grease is provided on the inner screw 38 and the outer screw 36 inside the inner support tube 40. The bottom of the outer screw rod 36 is rotatably matched and axially limited with a radial limiting block 51, the radial limiting block is limited by an axial limiting ring 52, and the axial limiting ring 52 can be screwed by screws through holes on the axial limiting ring 52 and threaded holes on the outer screw rod 36. The outer screw rod 36 is lifted to drive the radial limiting block 51 to slide up and down relative to the inner wall of the inner support tube 40.

The motor is installed like the bolt spiro union on motor mounting bracket 4 as servo motor 2, and one side of motor mounting bracket 4 and the fixed pipe of fixing the straight line elevating system on mounting 3 like the ball screw sub-assembly like the inboard spiro union of inner tube 21 specifically can be equipped with a plurality of through-holes on the 4 interior side plates of motor mounting bracket, have a plurality of screw holes that correspond on inner tube 21 and the head 31, and a plurality of screws one-to-one corresponds the spiro union fixed. Two motor mounting bracket 4 go up the spiro union have vertical stiffener 6, vertical stiffener 6 comprises the inside and outside channel-section steel of axial sliding fit, there is axial limit structure on the inside and outside channel-section steel, be outer channel-section steel 20 if one end, the other end is interior channel-section steel 17, there are a plurality of microscler through-holes 19 on the outer channel-section steel 20, there are a plurality of third through-holes 18 corresponding with microscler through-hole 19 on the interior channel-section steel 17, corresponding third through-hole 18 and microscler through-hole 19 locking axial position on the front and back both sides board on the inside and outside channel-section steel are passed to one or more bolt, third through-hole 18 also can be the screw hole of course, one or more screw pass microscler through-hole 19, close in the screw hole on the preceding curb plate of inside and outside channel-section steel and the curb plate of back.

A ball screw pair assembly is preferably two sets, a rotating shaft of a servo motor 2 is reversed to an output shaft which forms an angle of 90 degrees with a shaft of the servo motor 2, namely a worm axis, such as a first polygonal rod 57 through a pair of reversing gears such as a worm and a worm wheel 58, the first polygonal rod 57 penetrates through an inner side plate of an inner pipe 21 and an inner side plate of a seal head 31, is inserted into a central hole of a bevel gear 46 which is provided with a horizontal central hole in each set of a pair of bevel gears, and drives the pair of bevel gears to rotate. The worm wheel 58 has third radial bearings 56 at both ends thereof supported in the head 31. The other side of the worm wheel 58 is provided with a coupling 39 which is coaxial with the first polygonal rod 57, the coupling 39 is coaxial with the outer sleeve 12 of the transmission rod 5, the second polygonal rod 16 is inserted into the central polygonal hole of the outer sleeve 12, and the locking nut 14 can lock the axial position of the second polygonal rod 16. The coupling 39 is also called a coupling. A bevel gear 45 with a vertical toward center counter bore is screwed into a center threaded hole at the upper end of the inner lead screw 38 by a fastening screw penetrating through the center counter bore, and the lower end face of the bevel gear 45 with a vertical toward center counter bore is fitted on the step face of the head 31 via a thrust ball bearing 50.

The bevel gears and the worm gear 58 are directly arranged in the seal head, so that an original gear box is omitted, and the structure is simple.

The inner screw rod 38 below the thrust ball bearing 50 is provided with an external thread, the external thread is screwed with a safety nut 44 for preventing the inner screw rod 38 from separating from the seal head 31, the safety nut 44 is positioned in a cavity formed by the bottom surface of the thrust ball bearing 50 and the bottom plate of the seal head 31, gaps are formed between the safety nut 44 and the thrust ball bearing 50 and between the safety nut and the bottom plate of the seal head 31 in the axial direction, and the outer diameter of the safety nut 44 is larger than the aperture of a central hole at the position of the seal head 31.

A first centering bearing 43 is arranged at the central hole of the bottom plate in the end socket 31, and the first centering bearing 43 is sleeved on a step-shaped gasket 42.

Each linear elevating structure, such as a pair of bevel gears of each group of ball screw pair components, is arranged in an end socket 31 which is composed of an upper part and a lower part and is screwed together through screws, and the end socket 31 is sleeved in the top end of a fixed pipe, such as an inner pipe 21, and is mutually fixed, such as screwed connection. The closure 31 may also be referred to as an enclosure.

As shown in fig. 1, 2, 3, 4 and 5.

The fixing part 3 is detachably connected with the fixing part of the linear lifting mechanism, such as the inner tube 21 of the ball screw pair 1, the lifting part of the linear lifting mechanism, such as the outer tube 9 of the ball screw pair 1, and the object platform 11, such as the object platform supporting plate 23 fixed with the outer tube 9, the longitudinal object rod 24 and the transverse object rod 22, and the transverse object rod 22 and the longitudinal object plate 10. The lifting part comprises an inner screw nut 32, an outer support pipe 33, a middle pipe connecting piece 34, a middle pipe 29, an outer screw 36, an outer screw nut 49, an inner support pipe 40, a pallet outer pipe connecting piece 35, a loading platform pallet 23 and an outer pipe 9.

The fixed pipe is fixed like two outsides on inner tube 21 top be used for separately with the roof of mounting 3 and the angle steel connecting piece 27 of outer panel spiro union if the welding, if there are two angle steel connecting pieces 27 on every side, has a plurality of through-holes of wearing the screw on every angle steel connecting piece 27, has a plurality of screw holes that correspond with the through-hole on the roof of mounting 3 and the outer panel, and a plurality of screws one-to-one are screwed. The top end of a fixed tube such as the inner tube 21 is located in the middle of the length of the fixing member 3.

The fixing members 3 are preferably two, each fixing member 3 is preferably a transverse fixing rod, and both ends of each transverse fixing rod are provided with a plurality of first through holes 8 for penetrating screws.

A longitudinal connecting rod 7 is preferably arranged between the two fixing pieces 3, the longitudinal connecting rod 7 is composed of an inner sleeve and an outer sleeve which are in axial sliding fit, a plurality of tenons 48 are arranged at the joints of the two ends of the sleeves and the side plates of the respective fixing pieces 3, a plurality of insertion holes 47 for the tenons 48 to be inserted are formed in the two side plates of the fixing pieces 3, and an axial limiting structure for limiting at any axial position is arranged on the inner sleeve and the outer sleeve. The inner and outer sleeves are sleeved in the two first rectangular outer sleeves 15 like a first rectangular inner sleeve 13, and the axial limiting structures on the inner and outer sleeves can adopt the structure that the through holes of the inner and outer channel steels are matched with the long through holes and screwed by screws; a plurality of threaded holes can be arranged on the first rectangular outer sleeve 15, and a plurality of positioning pits or no pits are arranged on the first rectangular inner sleeve 13, and the positioning pits are screwed in the threaded holes through screws and are abutted against the first rectangular inner sleeve 13. The first rectangular outer sleeve 15 can be provided with a plurality of through holes, and the first rectangular inner sleeve 13 is provided with a plurality of matched threaded holes which are screwed by screws in a one-to-one correspondence manner.

Every linear drive mechanism is like a ball screw sub-assembly's bottom mounting has a cargo platform layer board 23, and every cargo platform layer board 23 both ends all with one vertically put thing pole 24 detachable connections, and two vertically put thing poles 24 on the many horizontal thing poles 22 of putting that are parallel to each other of interval detachable connection, transversely put thing pole 22 and can be the rectangle steel pipe. Each longitudinal object placing rod 24 is composed of an inner sleeve and an outer sleeve which are in axial sliding fit, and the inner sleeve and the outer sleeve are provided with axial limiting structures. The inner and outer sleeves, such as a second rectangular inner sleeve 26, fit inside the two second rectangular outer sleeves 25. The axial limiting structure on the inner and outer sleeves can adopt a structure that a plurality of fourth through holes 55 are formed in the second rectangular outer sleeve 25, a plurality of fourth through holes 55 are also formed in the second rectangular inner sleeve 26, and bolts penetrate through holes in four side walls of the inner and outer sleeves in a one-to-one correspondence manner to be screwed. The axial limiting structure on the inner sleeve and the outer sleeve can also adopt a structure that the through holes of the inner channel steel and the outer channel steel are matched with the long through holes and screwed by screws. The structure that a plurality of through holes are formed in the second rectangular outer sleeve 25 and a plurality of matched threaded holes are formed in the second rectangular inner sleeve 26 and are screwed in a screw one-to-one correspondence mode can also be adopted. A plurality of threaded holes can be arranged on the second rectangular outer sleeve 25, and a plurality of positioning pits or no pits are arranged on the second rectangular inner sleeve 26, and the positioning pits are screwed in the threaded holes through screws and are abutted against the second rectangular inner sleeve 26.

It will be understood that the above-mentioned fixing is generally performed by welding, gluing or screwing, and that some parts, such as the connection between the inner tube and the fixing member, may also be performed by welding and screwing to make the structure more stable, and the screws, such as screws or bolts and nuts, are not shown in the figure. The above-described fastening of a part to a part is also understood to mean a mutual connection. Radial bearings are also known as radial rolling bearings.

The installation method of the suspended commodity shelf comprises the following steps. In other words, the installation method of the present invention comprises the steps of:

1) two fixing pieces 3 are fixed on the ceiling or the house beam through screws. A screw is here understood to mean a metal expansion bolt for fixing in a concrete ceiling, also a metal screw screwed into a threaded hole of a metal ceiling or a metal beam, and also a metal screw screwed directly into a wood ceiling or a wood beam.

2) The male tenons 48 at the two ends of the longitudinal connecting rod 7 are inserted into the respective insertion holes 47, and the axial positions of the inner sleeve and the outer sleeve of the longitudinal connecting rod 7 are limited and fixed, such as screwed and fixed by screws.

3) The top ends of the two inner pipes 21 are screwed in the middle of the length of the respective fixing piece 3 one by one through an angle steel connecting piece 27, for example, screws are screwed in threaded holes on the top plate and the bottom plate of the fixing piece 3 through holes on the angle steel connecting piece.

4) The two motor mounting frames 4 provided with the motors such as the servo motor 2 in a screwed mode are respectively screwed in the threaded holes at the top ends of the inner pipes 21 through screws, the two motor mounting frames can also be further screwed in the threaded holes on the end sockets 31 in the inner pipes 21, so that the motor mounting frames are firmer, the two ends of the longitudinal reinforcing rod 6 are screwed in the threaded holes on the respective motor mounting frames 4 through screws, and the axial positions of the inner channel steel and the outer channel steel of the longitudinal reinforcing rod 6 are limited and fixed, if screws are adopted, the motor mounting frames are screwed and fixed.

5) The inner and outer tubes of each longitudinal object placing rod 24 are sleeved, for example, two ends of the second rectangular inner tube 26 are sleeved in each second rectangular outer tube 25, the length is adjusted to a preset length, the axial limiting structure is locked, for example, the bolts and the nuts are used for screwing and fixing, and then the two assembled longitudinal object placing rods 24 are placed in the grooves at two ends of the object carrying platform supporting plate 23, and the object carrying platform supporting plate 23 and the longitudinal object placing rods 24 are mutually screwed and fixed by the screws. .

6) A plurality of transverse object placing rods 22 are placed on two longitudinal object placing rods 24 in parallel and are fixed in a threaded manner, for example, screws are screwed into the prefabricated threaded holes of the transverse object placing rods 22 through the through holes of the L-shaped connecting blocks 28.

The installation method of the invention can also comprise a step 7): the plurality of longitudinal object placing plates 10 which are manufactured on site or packaged along with the object placing rack are placed on the plurality of transverse object placing rods 22 in parallel, the second through holes 54 on each transverse object placing rod 22 are penetrated through by screws one to one and screwed on the wood longitudinal object placing plates or the prefabricated threaded holes of the metal longitudinal object placing plates, and the plurality of longitudinal object placing plates 10 are fixed on the transverse object placing rods 22.

The working principle of the linear lifting column like a ball screw pair 1 is as follows:

when the support tube descends, the servo motor 2 drives the inner lead screw 38 to rotate through the first polygonal rod 57 and the pair of bevel gears, drives the inner lead screw nut 32 to descend, further drives the outer support tube 33 to descend, and drives the middle tube 29 to descend through the middle tube connecting piece 34. And the outer screw rod 36, the outer screw rod nut 49, the limiting block 51, the supporting plate outer pipe connecting piece 35, the carrying platform supporting plate 23 and the outer pipe 9 are also descended at the same time, and all the parts descend by 15 centimeters. The outer screw rod 36 rotates to drive the outer screw rod nut 49 to descend and further drive the inner supporting tube 40 to descend, the supporting plate 23, the outer tube 9 and the whole carrying platform 11 are driven to descend through the supporting plate outer tube connecting piece 35, if the outer screw rod descends by 15 cm, the descending stroke of the outer screw rod is multiplied by 2 at the same time, the descending stroke is 30 cm, and the speed is doubled.

When the supporting tube ascends, the servo motor 2 drives the inner screw rod 38 to rotate reversely through the first polygonal rod 57 and the pair of bevel gears, drives the inner screw rod nut 32 to ascend, further drives the outer supporting tube 33 to ascend, and drives the middle tube 29 to ascend through the middle tube connecting piece 34. And the outer screw rod 36, the outer screw rod nut 49, the limiting block 51, the supporting plate outer pipe connecting piece 35, the carrying platform supporting plate 23 and the outer pipe 9 are also lifted at the same time, and all the parts are lifted by 15 centimeters. The outer screw rod 36 rotates to drive the outer screw rod nut 49 to ascend and further drive the inner supporting tube 40 to ascend, the supporting plate 23, the outer tube 9 and the whole carrying platform 11 are driven to ascend through the supporting plate outer tube connecting piece 35, if the outer tube connecting piece ascends by 15 cm, the descending stroke of the outer screw rod rotates once at the same time is multiplied by 2, if the ascending stroke is 30 cm, the speed is doubled.

As shown in fig. 17, 18 and 19, the ball screw assembly 1 may also adopt another specific structure: the top end of the other inner tube 60 is fixed with the transverse middle of the fixing piece 3, the bottom end of the other outer tube 59 which is in sliding fit with the other inner tube 60 is fixed with the loading platform supporting plate 23, and the other supporting tube 61 is fixed with the other outer tube 59 through the supporting plate outer tube connecting piece 35. Another lead screw nut 63 is screwed on another lead screw 62 driven by the servo motor 2 through a transmission mechanism, and the other lead screw nut 63 is fixed in another support pipe 61. The other screw 62 rotates to drive the other screw nut 63 to lift, and drives the other support tube 61, the support plate outer tube connector 35, the objective platform support plate 23 and the other outer tube 59 to lift.

The bottom end of the other support tube 61 is sealed, and grease is provided in the other support tube 61 and on the other screw 62. The bottom of the other screw rod 62 is rotatably matched with another radial limiting block 64 axially limited by another axial limiting ring 30, and the other support pipe 61 is lifted to enable the other radial limiting block 64 to slide relative to the inner wall of the other support pipe 61. It will be appreciated that the other radial stop 64 axially stops but rotates relative to the other lead screw 62.

The other structure of the other ball screw pair assembly is the same as that of the first ball screw pair assembly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Such as a servo motor, may also be provided on the carrier platform. Besides the two ball screw assemblies, the linear lifting mechanism can also adopt a linear motor or a linear motor to drive linear lifting. A servo motor can be adopted to drive the two groups of screw rod pair assemblies through the transmission rod. The fixing pieces and the linear lifting mechanisms can be three or four, and the longitudinal connecting rods and the transverse connecting rods which are used for connecting the fixing pieces and the linear lifting mechanisms can be telescopic structures. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (14)

1. The utility model provides a suspension type supporter, includes a cargo platform and two piece at least mountings, its characterized in that: the rigid connecting piece is connected with the loading platform and the fixing piece and is a linear lifting mechanism; each linear lifting mechanism is driven by a motor, and two adjacent linear lifting mechanisms are connected with the same transmission rod.

2. Hanging shelf according to claim 1, characterized in that: every sharp elevating system is ball screw sub-assembly: the inner pipe is fixed with the fixing piece, the middle pipe and the outer pipe are in axial sliding fit relative to the inner pipe, the servo motor is connected with the upper end of the inner screw rod through the transmission mechanism and drives the inner screw rod to rotate, and the inner screw rod nut screwed on the inner screw rod is connected with the middle pipe through the outer supporting pipe and the middle pipe connecting piece positioned in the inner pipe and drives the middle pipe to lift; the inner screw rod and the outer screw rod sleeved outside are circumferentially limited and axially slide, and an outer screw rod nut which is screwed with the outer screw rod and is driven to lift is connected with the inner supporting tube, the supporting plate outer tube connecting piece, the carrying platform supporting plate and the outer tube and drives the lifting.

3. Hanging shelf according to claim 2, characterized in that: the bottom end of the inner supporting tube is sealed, and lubricating grease is arranged in the inner supporting tube, on the inner screw rod and on the outer screw rod; the bottom of the outer screw rod is rotatably matched and axially limited with a radial limiting block, and the outer screw rod is lifted to drive the radial limiting block to slide up and down relative to the inner wall of the inner support pipe.

4. Hanging shelf according to claim 1, characterized in that: the two linear lifting mechanisms are provided, the bevel gear with a horizontal central hole in each pair of bevel gears is connected with a servo motor through a first polygonal rod penetrating through the inner side plate of the seal head and the inner side plate of the inner tube and is driven, two ends of the transmission rod are coaxially connected with the first polygonal rod and are circumferentially limited, the bevel gear with a vertical counter bore is screwed in a central threaded hole in the upper end of the inner screw rod through a fastening screw penetrating through the central counter bore, the lower end face of the bevel gear with the vertical counter bore is matched on the step face of the seal head through a thrust ball bearing, and the seal head is composed of an upper part and a lower part which are in screwed connection through screws.

5. Hanging shelf according to claim 4, characterized in that: the inner screw rod below the thrust ball bearing is provided with an external thread, the external thread is screwed with a safety nut for preventing the inner screw rod from separating from the seal head, the safety nut is positioned in a cavity formed by the bottom surface of the thrust ball bearing and the seal head bottom plate, gaps are arranged between the safety nut and the thrust ball bearing and between the safety nut and the seal head bottom plate in the axial direction, and the outer diameter of the safety nut is larger than the aperture of a center hole at the position of the seal head.

6. Hanging shelf according to claim 1, characterized in that: the transmission rod is composed of an inner rod and an outer sleeve which are in axial sliding fit, and axial limiting structures are arranged on the inner rod and the outer sleeve.

7. Hanging shelf according to claim 1, characterized in that: the fixing part of the fixing part and the fixing part of the linear lifting mechanism are detachably connected, and the lifting part of the linear lifting mechanism and the carrying platform are detachably connected.

8. Hanging shelf according to claim 7, characterized in that: the mounting is two, and every mounting is horizontal dead lever, and there is a plurality of first through-holes of wearing the screw usefulness at the both ends of every horizontal dead lever.

9. Hanging shelf according to claim 8, characterized in that: the fixing part of the linear lifting mechanism is an inner tube, two outer sides of the top end of the inner tube are respectively fixed with an angle steel connecting piece used for being in threaded connection with a top plate and an outer side plate of the fixing part, and the top end of the fixing tube is located in the middle of the length of the fixing part.

10. Hanging shelf according to claim 9, characterized in that: a longitudinal connecting rod is arranged between the two fixing pieces and consists of an inner sleeve and an outer sleeve which are in axial sliding fit, male tenons are arranged at the joints of the two ends of the sleeves and the side plates of the respective fixing pieces, jacks for the male tenons to be inserted are arranged on the two side plates of the fixing pieces, and axial limiting structures are arranged on the inner sleeve and the outer sleeve.

11. Hanging shelf according to claim 9, characterized in that: the bottom mounting of the outer tube in every sharp elevating system's lifting portion has a cargo platform layer board, and the both ends of every cargo platform layer board all with one vertically put thing pole detachable connections, two vertically put thing pole go up interval detachable connections have many horizontal thing poles of putting that are parallel to each other, every vertically put the thing pole and constitute by axial sliding fit's interior outer tube, have axial limit structure on the interior outer tube.

12. Hanging shelf according to claim 1, characterized in that: the motor is arranged on the motor mounting frame, and one side of the motor mounting frame is in threaded connection with the inner side of a fixing pipe of the linear lifting mechanism fixed on the fixing piece; the two motor mounting frames are in threaded connection with longitudinal reinforcing rods, each longitudinal reinforcing rod is composed of an inner channel steel and an outer channel steel in axial sliding fit, and axial limiting structures are arranged on the inner channel steel and the outer channel steel.

13. A method of installing a hanging shelf as claimed in claims 1 to 12 comprising the steps of:

1) fixing two fixing pieces on a ceiling or a house beam through screws;

2) inserting the tenons at the two ends of the longitudinal connecting rod into respective jacks, and then limiting and fixing the axial positions of the inner sleeve and the outer sleeve of the longitudinal connecting rod;

3) the top ends of the two inner pipes are screwed in the middle of the length of each fixing piece one by one through an angle steel connecting piece;

4) the two motor mounting frames provided with the servo motors are respectively screwed at the top ends of the inner pipes by screws, then the two ends of the longitudinal reinforcing rod are screwed on the respective motor mounting frames by screws, and then the axial positions of the inner and outer channel steels of the longitudinal reinforcing rod are limited and fixed;

5) sleeving the inner pipe and the outer pipe of each longitudinal object placing rod, adjusting the length to a preset length, locking the axial limiting structure, placing the two assembled longitudinal object placing rods into grooves at two ends of a supporting plate of the object carrying platform, and screwing and fixing the two assembled longitudinal object placing rods with screws;

6) and a plurality of transverse object placing rods are arranged on the two longitudinal object placing rods in parallel and are fixed by screw threads.

14. The method of installing as claimed in claim 13, further comprising step 7): the multi-block longitudinal object placing plates manufactured on site or packaged along with the suspension type object placing rack are placed on the plurality of transverse object placing rods in parallel, the screws penetrate through the second through holes in the transverse object placing rods in a one-to-one correspondence mode, and the multi-block longitudinal object placing plates are fixed on the transverse object placing rods.

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