CN210192133U - Combined type transfer goods shelf - Google Patents

Abstract

The utility model discloses a modular goods shelves of transporting aims at providing one kind and is convenient for the installation and dismantles, is convenient for get and put, space utilization is high, area is little and the combination formula that the suitability is strong transports goods shelves, and its technical scheme main points are: the base is composed of two groups of first telescopic rods which are symmetrically arranged and a second telescopic rod which is connected between the two groups of first telescopic rods, a supporting rod is hinged to the first telescopic rods, and a supporting seat is hinged to the supporting rod; the surface of the supporting seat is provided with a limiting groove and a limiting block arranged at the opening of the limiting groove; the rack comprises the third telescopic link that two sets of symmetries set up and the fourth telescopic link of connection between two sets of third telescopic links, a third telescopic link tip is provided with rolling mechanism, rolling mechanism include with the supporting seat surface constitutes roll complex roller, the piling bin is installed to the upper end of the support bar, the utility model discloses be suitable for building engineering technical field.

Description

Combined type transfer goods shelf

Technical Field

The utility model relates to a building engineering technical field more exactly relates to a modular transportation goods shelves.

Background

At present, compared with the traditional buildings, prefabricated assembled houses with the advantages of high efficiency, energy conservation, environmental protection and the like have been widely accepted in the industry. The prefabricated assembled house is characterized in that outer walls, balconies, stairs, beam bodies, floor slabs and the like in the structure are prefabricated in a factory and then transported to the site for assembly, and the prefabricated assembled house and a cast-in-place main structure part form a complete structure, so that the industrialization and industrialization of building construction are facilitated, and the prefabricated assembled house is an important content for constructing an energy-saving emission-reducing society. The concrete composite floor slab is one form of integral assembling structure, and features that prefabricated members are used as bottom slab, reinforcing steel bars are set on the prefabricated members, one layer of cast-in-situ concrete is then laminated, and when upper concrete is cast in site, the prefabricated members in the bottom are used as formwork and the upper cast-in-situ concrete reaches its designed strength and then forms one integral with the prefabricated members. Compared with the integral cast-in-place floor slab, the composite floor slab can realize industrial production and shorten the construction period, and has good integrity, crack resistance and shock resistance.

The mode that stacks is all adopted to the singleton to the traditional mode in transporting, depositing and transporting of prefabricated superimposed sheet and roof beam body in production at present, adopts this kind of mode to have that the human input cost is high, the rate of equipment utilization is low, the suitability is poor, place demand area is big, influences the transport efficiency, and its inconvenient characteristics of getting is put simultaneously has reduced later stage production efficiency.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a goods shelves are transported to combination formula convenient to installation and dismantlement, be convenient for get and put, space utilization is high, area is little and the suitability is strong.

The technical solution of the utility model is to provide a combined type transportation goods shelf, which comprises a base and a placing rack, wherein the base is composed of two groups of first telescopic rods which are symmetrically arranged and a second telescopic rod which is connected between the two groups of first telescopic rods, the first telescopic rods are hinged with supporting rods, and the supporting rods are hinged with supporting seats;

the surface of the supporting seat is provided with a limiting groove and a limiting block arranged at the opening of the limiting groove;

the rack is composed of two groups of third telescopic rods which are symmetrically arranged and a fourth telescopic rod which is connected between the two groups of third telescopic rods, a placing plate is arranged on the surface of the fourth telescopic rod, a rolling mechanism is arranged at one end of the third telescopic rod and comprises a roller which is in rolling fit with the surface of the supporting seat, and when the roller enters a limiting groove, the limiting groove and a limiting block form a limiting mechanism which limits the rolling mechanism to roll on the surface of the supporting seat;

the first telescopic rod, the second telescopic rod, the third telescopic rod and the fourth telescopic rod are respectively provided with a locking device;

the stacking rack is installed at the upper end of the supporting rod, an installation part matched with the end face of the supporting rod is arranged on one surface of the stacking rack, and a cushion block used for stacking the beam body is evenly arranged on the other surface of the stacking rack.

After structure more than adopting, this use neotype modular transportation goods shelves, compared with prior art, have following advantage: the locking device is arranged on the first telescopic rod to adjust the length of the base, the locking device is arranged on the second telescopic rod to adjust the width of the base, the locking device is arranged on the third telescopic rod to adjust the width of the placing frame, and the locking device is arranged on the fourth telescopic rod to adjust the length of the placing frame, so that a worker can adjust the placing area as required, and the applicability is strong; meanwhile, the storage and the installation are convenient, and the occupied area is reduced; the stacking rack on the supporting rod is used for stacking the beam body, the space utilization rate is improved, meanwhile, the workers can orderly take and place objects from top to bottom according to the building construction sequence, the rolling mechanism is arranged, when needed, the rollers on the required layer number placing rack are ejected out from the limiting groove, and the rollers are in surface contact with the supporting seat, so that the placing rack with the required layer number can be transversely slid and taken out from the surface of the supporting seat, the operation is convenient and fast, and the production efficiency is improved.

As an improvement of the present invention, the first telescopic rod is composed of a first fixed rod and a first sliding rod slidably connected to an end of the first fixed rod;

the second telescopic rod comprises a second fixed rod and a second sliding rod connected to the end part of the second fixed rod in a sliding manner, and one end of the second sliding rod is fixedly connected with the first sliding rod in a vertical angle manner;

the third telescopic rod comprises a third fixed rod and a third sliding rod connected to the end part of the third fixed rod in a sliding manner;

the fourth telescopic link includes that fourth dead lever and sliding connection constitute at the fourth fixed rod tip's fourth slide bar, fourth slide bar one end be vertical angle with third slide bar fixed connection.

As an improvement of the utility model, the bracing piece articulates the one end of keeping away from first dead lever on first slide bar, and the relative terminal surface on the bracing piece length direction evenly offers the notch that is used for holding the supporting seat, and is provided with in the notch and runs through the connecting piece of bracing piece.

As an improvement of the utility model, the supporting seat sets up in the notch, and with connecting piece one end is articulated, the mounting that is used for restricting the connecting piece removal is installed to the connecting piece other end, supporting seat bottom end face still is provided with the filler block.

As an improvement of the present invention, the locking device includes tightening pins respectively disposed on the first sliding rod, the second sliding rod, the third sliding rod and the fourth sliding rod;

the first fixing rod, the second fixing rod, the third fixing rod and the fourth fixing rod are respectively and uniformly provided with first connecting holes along the length direction;

the tightening pin on the first sliding rod is matched with the first connecting hole on the first fixing rod, and the sliding of the first sliding rod on the first fixing rod is limited;

the screwing pin on the second sliding rod is matched with the first connecting hole on the second fixing rod, and the sliding of the second sliding rod on the second fixing rod is limited;

the screwing pin on the third sliding rod is matched with the first connecting hole on the third fixing rod, and the sliding of the third sliding rod on the third fixing rod is limited;

and the screwing pin on the fourth sliding rod is matched with the first connecting hole on the fourth fixing rod, and the sliding of the fourth sliding rod on the fourth fixing rod is limited. Set up to screw up round pin and first connecting hole and cooperate, convenient operation, its cost is simple simultaneously, and stability is high.

As an improvement of the utility model, the outside surface of second slide bar, fourth slide bar and piling bin transversely is provided with rings respectively. Set up rings, make things convenient for the staff to carry out the hoist and mount operation in transporting some large-scale parts, also can consolidate whole device through writing the cable simultaneously, promoted stability, avoid the emergence of dangerous accident.

As an improvement of the utility model, place the board and fix the up end at fourth dead lever and fourth slide bar, place the face of board and the up end parallel arrangement of fourth dead lever and fourth slide bar. The placing plates are respectively arranged on the fourth fixing rod and the fourth sliding rod, so that the position of the placing plates is changed along with the plane area of the placing rack, the contact points of the articles and the placing plates are more efficient, and the stability of the articles placed on the placing plates is improved.

As an improvement of the utility model, the rolling mechanism is still including installing the dog on the third slide bar end portion, relative setting on the dog position and the third dead lever position, and the bottom terminal surface of dog be provided with stopper surface matched with antiskid protruding, the roller rotates the bottom of connecting at the dog, works as when the roller gets into the spacing groove, the bottom terminal surface of dog and the up end contact restriction dog of stopper slide. The stop block is arranged to be contacted with the upper end face of the limiting block when the roller enters the limiting groove, so that the placing stability of the placing frame on the supporting seat is improved; the anti-skid protrusions are arranged to be matched with the surfaces of the limiting blocks, so that the stability of the placing frame placed on the supporting seat is further improved.

As an improvement, the installation department sets up in the bottom four corners department of piling bin, the second connecting hole has been seted up on the installation department, be provided with the perforating hole corresponding with the second connecting hole on the bracing piece, second connecting hole and perforating hole fit in are provided with the round pin body. The arrangement of the pin body, the through hole and the second connecting hole in a matched mode improves the placing stability of the stacking frame on the supporting rod, and the safety of the device is improved.

As an improvement of the present invention, a connecting plate is disposed at one end of the first sliding rod close to the supporting rod, a third connecting hole is disposed on the connecting plate, a positioning member is disposed in the third connecting hole in a matching manner, and a fourth connecting hole matched with the positioning member is disposed on the supporting rod;

when the supporting rod rotates to the vertical position, the connecting piece sequentially penetrates through the third connecting hole and the fourth connecting hole to limit deflection of the supporting rod. This device is in under idle state, removes rack and piling bin and setting element, can fold bracing piece and base, and the scalable structure of cooperation base simultaneously is convenient for install and accomodate, has reduced area.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a structure a in fig. 1 according to the present invention.

Fig. 3 is a schematic view of the structure of the base and the supporting rod of the present invention.

Fig. 4 is a schematic view of the structure of the rack of the present invention.

Fig. 5 is a schematic view of a first telescopic rod structure of the present invention.

Fig. 6 is an enlarged schematic view of the structure at B in fig. 5 according to the present invention.

Fig. 7 is a schematic view of a fourth telescopic rod structure of the present invention.

Fig. 8 is an enlarged schematic view of the structure at C in fig. 7 of the present invention.

Fig. 9 is a schematic view of a third telescopic rod of the present invention.

Fig. 10 is a schematic view of the stacking rack of the present invention.

Shown in the figure: the device comprises a base 1, a placing frame 2, a first telescopic rod 3, a first fixing rod 31, a first sliding rod 32, a connecting plate 321, a third connecting hole 3211, a second telescopic rod 4, a second fixing rod 41, a second sliding rod 42, a supporting rod 5, a notch 51, a connecting piece 511, a 5111 fixing piece, a through hole 52, a pin 521 body, a fourth connecting hole 53, a supporting seat 6, a limiting groove 61, a 611 limiting block, a pad 62, a third telescopic rod 7, a third fixing rod 71, a third sliding rod 72, a fourth telescopic rod 8, a placing plate 80, a fourth fixing rod 81, a fourth sliding rod 82, a rolling mechanism 9, a roller 91, a block 92, an anti-skid protrusion 921, a tightening pin 10, a stacking frame 11, a second connecting hole 111, a second connecting hole 1111, a cushion block 112, a first connecting hole 12, a lifting ring 13 and a positioning piece.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1-2, the combined type transportation shelf of the present invention includes a base 1 and a placing rack 2, wherein the base 1 is composed of two sets of first telescopic rods 3 symmetrically arranged and a second telescopic rod 4 connected between the two sets of first telescopic rods 3, a support rod 5 is hinged on the first telescopic rod 3, and a support seat 6 is hinged on the support rod 5;

the surface of the supporting seat 6 is provided with a limiting groove 61 and a limiting block 611 arranged at the opening of the limiting groove 61;

the rack 2 is composed of two groups of third telescopic rods 7 which are symmetrically arranged and a fourth telescopic rod 8 connected between the two groups of third telescopic rods 7, a placing plate 80 is arranged on the surface of the fourth telescopic rod 8, a rolling mechanism 9 is arranged on the third telescopic rod 7, the rolling mechanism 9 comprises a roller 91 which is in rolling fit with the surface of the supporting seat 6, and when the roller 91 enters the limiting groove 61, the limiting groove 61 and the limiting block 611 form a limiting mechanism which limits the rolling mechanism 9 to roll on the surface of the supporting seat 6;

the first telescopic rod 3, the second telescopic rod 4, the third telescopic rod 7 and the fourth telescopic rod 8 are respectively provided with a locking device;

stacking frame 11 is installed to bracing piece 5 upper end, stacking frame 11 one surface is provided with the installation department 111 with 5 terminal surface matched with of bracing piece, and stacking frame 11 another surface evenly is provided with the cushion 112 that is used for the piling beam body.

Referring to fig. 3-7, the first telescopic rod 3 is composed of a first fixing rod 31 and a first sliding rod 32 slidably connected to an end of the first fixing rod 31;

the second telescopic rod 4 comprises a second fixed rod 41 and a second sliding rod 42 connected to the end of the second fixed rod 41 in a sliding manner, and one end of the second sliding rod 42 is fixedly connected with the first sliding rod 32 in a vertical angle;

the third telescopic rod 7 comprises a third fixed rod 71 and a third sliding rod 72 connected to the end part of the third fixed rod 71 in a sliding manner;

the fourth telescopic rod 8 comprises a fourth fixing rod 81 and a fourth sliding rod 82 connected to the end of the fourth fixing rod 81 in a sliding manner, and one end of the fourth sliding rod 82 is vertically connected to the third sliding rod 72.

Referring to fig. 1-2, the support rod 5 is hinged to one end of the first sliding rod 32, which is far away from the first fixing rod 31, and notches 51 for accommodating the support seat 6 are uniformly formed in opposite end surfaces of the support rod 5 in the length direction, and a connecting piece 511 penetrating through the support rod 5 is disposed in the notches 51.

The supporting seat 6 is arranged in the notch 51 and is hinged with one end of the connecting piece 511, a fixing piece 5111 for limiting the movement of the connecting piece 511 is arranged at the other end of the connecting piece 511, and a lining block 62 is further arranged on the bottom end face of the supporting seat 6.

Referring to fig. 1 to 10, the locking device includes tightening pins 101 respectively disposed on the first sliding bar 32, the second sliding bar 42, the third sliding bar 72, and the fourth sliding bar 82;

the first fixing rod 31, the second fixing rod 41, the third fixing rod 71 and the fourth fixing rod 81 are respectively and uniformly provided with first connecting holes 12 along the length direction;

the tightening pin 101 of the first sliding rod 32 is matched with the first connecting hole 12 of the first fixing rod 31 and limits the sliding movement of the first sliding rod 32 on the first fixing rod 31;

the tightening pin 101 on the second sliding rod 42 is matched with the first connecting hole 12 on the second fixing rod 41, and the sliding of the second sliding rod 42 on the second fixing rod 41 is limited;

the tightening pin 101 of the third sliding rod 72 is matched with the first connecting hole 12 of the third fixing rod 71 and limits the sliding movement of the third sliding rod 72 on the third fixing rod 71;

the tightening pin 101 of the fourth sliding bar 82 is engaged with the first coupling hole 12 of the fourth fixing bar 81 and restricts the sliding movement of the fourth sliding bar 82 on the fourth fixing bar 81.

The second sliding rod 42, the fourth sliding rod 82 and the outer side surface of the stacking rack 11 are respectively and transversely provided with a hanging ring 13.

Referring to fig. 4, the placing plate 80 is fixed on the upper end surfaces of the fourth fixing rod 81 and the fourth sliding rod 82, and the plate surface of the placing plate 80 is parallel to the upper end surfaces of the fourth fixing rod 81 and the fourth sliding rod 82.

Referring to fig. 8, the rolling mechanism 9 further includes a stopper 92 mounted on the end of the third sliding rod 72, the stopper 92 is disposed opposite to the third fixing rod 71, and the bottom end surface of the stopper 92 is provided with an anti-slip protrusion 921 matching with the surface of the stopper 611, the roller 91 is rotatably connected to the bottom end of the stopper 92, and when the roller 91 enters the stopper groove 61, the bottom end surface of the stopper 92 contacts with the upper end surface of the stopper 611 to limit the sliding of the stopper 92.

Referring to fig. 1 and 2, the mounting portion 111 is disposed at four corners of the bottom of the stacking rack 11, the mounting portion 111 is provided with a second connecting hole 1111, the supporting rod 5 is provided with a through hole 52 corresponding to the second connecting hole 1111, and the pin 521 is disposed in the second connecting hole 1111 and the through hole 52 in a matching manner.

Referring to fig. 3, a connecting plate 321 is disposed at one end of the first sliding rod 32 close to the supporting rod 5, a third connecting hole 3211 is disposed on the connecting plate 321, a positioning element 14 is disposed in the third connecting hole 3211 in a matching manner, and a fourth connecting hole 53 matched with the positioning element 14 is disposed on the supporting rod 5;

when the support rod 5 rotates to the vertical position, the positioning member 14 sequentially passes through the third connecting hole 3211 and the fourth connecting hole 53 to limit the deflection of the support rod 5.

The working principle is as follows: when in use, a worker firstly folds the support rod 5 to be perpendicular to the first sliding rod 32, and fixes the position of the support rod 5 by sequentially penetrating the positioning piece 14 through the third connecting hole 3211 on the first sliding rod 32 and the fourth connecting hole 53 on the support rod 5, slides the first sliding rod 32 on the first fixing rod 31 to a proper position, slides the sliding rod on the second fixing rod 41 to a proper position, adjusts the plane area of the base 1 to be required, and then tightens the tightening pin 10 to fix the positions of the first sliding rod 32 and the second sliding rod 42; further, the worker rotates the support seat 6 in the notch 51 to a horizontal angle, so that the limit block 611 at the bottom of the support seat 6 abuts against the end face of the notch 51; further, the worker slides the third sliding rod 72 on the third fixing rod 71 to a proper position, slides the fourth sliding rod 82 on the fourth fixing rod 81 to a proper position, adjusts the plane area of the rack 2 to a position where the tightening pin 10 is needed, and then tightens the tightening pin 10 to fix the positions of the third sliding rod 72 and the fourth sliding rod 82 (when the worker in the art adjusts the plane area of the rack 2, the worker needs to ensure that all the rollers 91 on the rack 2 can enter the limiting groove 61); select suitable piling bin 11 according to the interval staff between the bracing piece 5, need to ensure this moment that installation department 111 on piling bin 11 can cooperate with the up end of bracing piece 5 (the roof beam body majority for the building is the structure size unanimity, the fixed piling bin 11 of multiple plane area can satisfy the needs that different roof beams body and cooperation bracing piece 5 used) treat after 2 plane area adjustment of rack finishes, the staff can place the superimposed sheet after the processing is accomplished on placing board 80 surface, and is further, the rack 2 of superimposed sheet will be placed to the staff, make roller 91 on rack 2 get into spacing groove 61 through the mode of hoist and mount or sliding, and 6 surfaces of supporting seat on bracing piece 5 stack gradually from bottom to top and put into rack 2. Treat that rack 2 puts into the back that finishes, hoist and mount piling bin 11 on bracing piece 5, need to ensure that the bracing piece 5 upper end can submerge in the installation department 111 of piling bin 11 lower extreme, it is further, run through bracing piece 5 and installation department 111 with the round pin body 521 and make the firm installation in bracing piece 5 upper end of piling bin 11, it can with the cushion 112 surface of roof beam body hoist and mount on piling bin 11 to last staff, the staff can further reinforce lifting stability structurally with whole device through setting up the cable in rings 13, treat the operation back that finishes, the staff can transport on the transport through rings 13 hoist whole device. According to the device, the length of the base 1 is adjusted by arranging the locking device on the first telescopic rod 3, the width of the base 1 is adjusted by arranging the locking device on the second telescopic rod 4, the width of the placing frame 2 is adjusted by arranging the locking device on the third telescopic rod 7, and the length of the placing frame 2 is adjusted by arranging the locking device on the fourth telescopic rod 8, so that a worker can adjust the placing area as required, and the applicability is strong; meanwhile, the storage and the installation are convenient, and the occupied area is reduced; stacking frame 11 on bracing piece 5 is used for stacking the roof beam body, space utilization has been promoted, and the staff can get the article according to the order from the top down of building construction in order simultaneously, sets up rolling mechanism 9, can when needs, through the roller 91 that will need the number of piles on rack 2 ejecting from spacing groove 61, and with the surface contact of roller 91 with supporting seat 6, can take out the rack 2 that needs the number of piles from 6 surperficial lateral sliding of supporting seat, and convenient operation is swift, has promoted production efficiency. Set up rings 13, make things convenient for the staff to carry out the hoist and mount operation in transporting some large-scale parts, also can consolidate whole device through writing the cable simultaneously, promoted stability, avoid the emergence of dangerous accident. The stopper 92 is arranged to contact with the upper end face of the limiting block 611 when the roller 91 enters the limiting groove 61, so that the placing stability of the placing frame 2 on the supporting seat 6 is improved; the arrangement of the anti-slip protrusions 921 and the surface of the limiting block 611 further improves the stability of the placement frame 2 on the supporting seat 6.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a modular transportation goods shelves which characterized in that: the device comprises a base (1) and a placing rack (2), wherein the base (1) is composed of two groups of first telescopic rods (3) which are symmetrically arranged and a second telescopic rod (4) which is connected between the two groups of first telescopic rods (3), a supporting rod (5) is hinged on each first telescopic rod (3), and a supporting seat (6) is hinged on each supporting rod (5);

the surface of the supporting seat (6) is provided with a limiting groove (61) and a limiting block (611) arranged at the opening of the limiting groove (61);

the rack (2) is composed of two groups of third telescopic rods (7) which are symmetrically arranged and a fourth telescopic rod (8) which is connected between the two groups of third telescopic rods (7), a placing plate (80) is arranged on the surface of the fourth telescopic rod (8), a rolling mechanism (9) is arranged on the third telescopic rod (7), the rolling mechanism (9) comprises a roller (91) which is in rolling fit with the surface of the supporting seat (6), and when the roller (91) enters the limiting groove (61), the limiting groove (61) and the limiting block (611) form a limiting mechanism which limits the rolling mechanism (9) to roll on the surface of the supporting seat (6);

the first telescopic rod (3), the second telescopic rod (4), the third telescopic rod (7) and the fourth telescopic rod (8) are respectively provided with a locking device;

stacking frame (11) is installed to bracing piece (5) upper end, stacking frame (11) one surface is provided with installation department (111) with bracing piece (5) terminal surface matched with, and stacking frame (11) another surface evenly is provided with cushion (112) that are used for stacking the roof beam body.

2. The modular transfer rack of claim 1, wherein: the first telescopic rod (3) consists of a first fixed rod (31) and a first sliding rod (32) which is connected to the end part of the first fixed rod (31) in a sliding way;

the second telescopic rod (4) comprises a second fixing rod (41) and a second sliding rod (42) connected to the end part of the second fixing rod (41) in a sliding manner, and one end of the second sliding rod (42) is fixedly connected with the first sliding rod (32) in a vertical angle manner;

the third telescopic rod (7) comprises a third fixed rod (71) and a third sliding rod (72) connected to the end part of the third fixed rod (71) in a sliding manner;

the fourth telescopic rod (8) comprises a fourth fixing rod (81) and a fourth sliding rod (82) connected to the end of the fourth fixing rod (81) in a sliding mode, and one end of the fourth sliding rod (82) is perpendicular to the third sliding rod (72) in angle mode and is fixedly connected with the third sliding rod.

3. The modular transfer rack of claim 2, wherein: the supporting rod (5) is hinged to one end, away from the first fixing rod (31), of the first sliding rod (32), a notch (51) used for containing the supporting seat (6) is evenly formed in the opposite end face of the supporting rod (5) in the length direction, and a connecting piece (511) penetrating through the supporting rod (5) is arranged in the notch (51).

4. The modular transfer rack of claim 3, wherein: the supporting seat (6) is arranged in the notch (51) and is hinged to one end of the connecting piece (511), the other end of the connecting piece (511) is provided with a fixing piece (5111) used for limiting the movement of the connecting piece (511), and the end face of the bottom of the supporting seat (6) is further provided with a lining block (62).

5. The modular transfer rack of claim 4, wherein: the locking device comprises tightening pins (101) which are respectively arranged on the first sliding rod (32), the second sliding rod (42), the third sliding rod (72) and the fourth sliding rod (82);

the first fixing rod (31), the second fixing rod (41), the third fixing rod (71) and the fourth fixing rod (81) are respectively and uniformly provided with a first connecting hole (12) along the length direction;

the tightening pin (101) on the first sliding rod (32) is matched with the first connecting hole (12) on the first fixing rod (31) and limits the sliding of the first sliding rod (32) on the first fixing rod (31);

the screwing pin (101) on the second sliding rod (42) is matched with the first connecting hole (12) on the second fixing rod (41) and limits the sliding of the second sliding rod (42) on the second fixing rod (41);

the screwing pin (101) on the third sliding rod (72) is matched with the first connecting hole (12) on the third fixing rod (71) and limits the sliding of the third sliding rod (72) on the third fixing rod (71);

and a screwing pin (101) on the fourth sliding rod (82) is matched with a first connecting hole (12) on the fourth fixing rod (81), and the sliding of the fourth sliding rod (82) on the fourth fixing rod (81) is limited.

6. The modular transfer rack of claim 5, wherein: and the outer side surfaces of the second sliding rod (42), the fourth sliding rod (82) and the stacking rack (11) are respectively and transversely provided with a hanging ring (13).

7. The modular transfer rack of claim 6, wherein: the placing plate (80) is fixed on the upper end surfaces of the fourth fixing rod (81) and the fourth sliding rod (82), and the plate surface of the placing plate (80) is parallel to the upper end surfaces of the fourth fixing rod (81) and the fourth sliding rod (82).

8. The modular transfer rack of claim 7, wherein: the rolling mechanism (9) further comprises a stop block (92) installed at the end part of the third sliding rod (72), the stop block (92) and the third fixing rod (71) are oppositely arranged in position, an anti-skid protrusion (921) matched with the surface of the limiting block (611) is arranged on the bottom end face of the stop block (92), the roller (91) is rotatably connected to the bottom end of the stop block (92), and when the roller (91) enters the limiting groove (61), the bottom end face of the stop block (92) contacts with the upper end face of the limiting block (611) to limit sliding of the stop block (92).

9. The modular transfer rack of claim 8, wherein: installation department (111) sets up in the bottom four corners department of piling bin (11), second connecting hole (1111) has been seted up on installation department (111), be provided with on bracing piece (5) with second connecting hole (1111) corresponding perforating hole (52), second connecting hole (1111) and perforating hole (52) fit in are provided with round pin body (521).

10. The modular transfer rack of claim 9, wherein: a connecting plate (321) is arranged at one end, close to the supporting rod (5), of the first sliding rod (32), a third connecting hole (3211) is formed in the connecting plate (321), a positioning piece (14) is arranged in the third connecting hole (3211) in a matching manner, and a fourth connecting hole (53) matched with the positioning piece (14) is formed in the supporting rod (5);

when the supporting rod (5) rotates to a vertical position, the positioning piece (14) sequentially penetrates through the third connecting hole (3211) and the fourth connecting hole (53) to limit deflection of the supporting rod (5).

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