CN213562539U - Adjustable concrete prefabricated part storage support - Google Patents

Abstract

The utility model relates to a support is deposited to regulation formula concrete prefab, it includes two symmetric distribution's support body, the support body is including the location steel sheet, montant and down tube, the montant is connected perpendicularly on the location steel sheet, the both ends of down tube are connected with montant and location steel sheet respectively, be connected with the telescopic link with adjustable a plurality of length between two montants, the telescopic link is including the telescopic cylinder that cup joints in proper order, a plurality of first spacing holes that distribute along telescopic rod length direction equidistance have all been seted up on each telescopic cylinder, two adjacent telescopic cylinders have first gag lever post in the spacing downthehole interpolation of coincidence. The utility model discloses have the increase and deposit the effect of support application range.

Description

Adjustable concrete prefabricated part storage support

Technical Field

The utility model belongs to the technical field of the technique of concrete prefabricated member and specifically relates to a support is deposited to regulation formula concrete prefabricated member.

Background

The concrete prefabricated member is called a PC component in the field of house industrialization, such as a prefabricated reinforced concrete column foundation, a prefabricated steel structure steel column foundation, a street lamp billboard column reinforced concrete foundation and a prefabricated floor slab. The corresponding traditional cast-in-place concrete needs site moulding, site pouring and site maintenance.

The chinese patent with the bulletin number of CN203450562U discloses a prefabricated wallboard storage rack, including support body, base, its characterized in that, the support body comprises the A type support that the size is unanimous, interval arrangement, upper portion are connected as an organic whole, lower part and base are fixed by the crossbeam, the channel-section steel preformed groove that the slope was arranged is fixed with the interval respectively on the base of support body bottom both sides, be fixed with the angle steel preformed groove on two sprags of every A type support respectively, on the channel-section steel preformed groove with square stuff has been placed respectively on the angle steel preformed groove, be a precast concrete wallboard transportation storage rack convenient to safe transportation and deposit.

The above prior art solutions have the following drawbacks: the storage rack is fixed and not adjustable in size, great field waste can be caused when small prefabricated parts are stored, and the stability is low when larger prefabricated parts are stored, so that the application range of the storage rack is narrow.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a support is deposited to regulation formula concrete prefab, it has the increase and deposits the effect of support application range.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a support is deposited to regulation formula concrete prefab, includes two symmetric distribution's support body, the support body is including location steel sheet, montant and down tube, the montant is connected perpendicularly on the location steel sheet, the both ends of down tube are connected with montant and location steel sheet respectively, two be connected with the telescopic link that a plurality of length is adjustable between the montant, the telescopic link is including the telescopic cylinder that cup joints in proper order, each all set up a plurality of first spacing holes along telescopic rod length direction equidistance distribution on the telescopic cylinder, adjacent two the telescopic cylinder has first gag lever post in the spacing downthehole interpolation of coincidence.

Through adopting above-mentioned technical scheme, when placing the prefab, the prefab bottom sprag is on two location steel sheets, and the prefab surface is contradicted with both sides down tube, deposits the prefab through the holding power of support to the prefab, and two support bodies constitute by montant, down tube and location steel sheet, and the three has constituted stable triangle-shaped jointly, and stability is good. When the prefab size changes, take out the first gag lever post between a telescopic cylinder earlier, adjust the coincidence length between a telescopic cylinder, the staff removes the support body from both sides, put into first gag lever post when suitable position, if need, take out second first gag lever post again and adjust, it is spacing to adjust suitable position, accomplish the regulation, the horizontal free regulation of support body has been realized, make the support can be applicable to not the depositing of the prefab of equidimension, the support application range is deposited in the increase, the flexibility is high, the extravagant problem in space that brings when putting small-size prefab has been reduced, it has increased the stability that large-scale prefab was put to lengthen the support body simultaneously, the fixed stability of horizontal pole has also been improved.

The present invention may be further configured in a preferred embodiment as: the positioning steel plate comprises a first bearing plate and a plurality of second bearing plates which are sequentially spliced, a through groove is formed in each second bearing plate, the second bearing plates are sequentially arranged along the length direction of the first bearing plate, the two adjacent second bearing plates are connected with one end, opposite to the second bearing plate, of each second bearing plate, connecting grooves are formed in the same side, the two opposite connecting grooves are internally connected with connecting plates, and the two ends of each connecting groove are respectively in threaded connection with the two second bearing plates through screws.

Through adopting above-mentioned technical scheme, at the adjacent spread groove interpolation of two second loading boards connect the board to carry out fixed connection with the screw, realized the concatenation to the second loading board, unscrew the screw between connecting plate and steel sheet, take off the connecting plate and can dismantle the concatenation pole, saved the usage space, make the support can be applicable to the different storage of putting the prefab of demand, can replace certain specific second loading board simultaneously, practiced thrift the resource.

The present invention may be further configured in a preferred embodiment as: the top end of the diagonal rod is abutted against the corresponding splicing steel plate, the side wall of the second bearing plate is provided with a plurality of second limiting holes which are arranged along the length direction of the positioning steel plate, second limiting rods are inserted into the second limiting holes, and the downward inclined end of the diagonal rod is supported at the bottom of the through groove and abutted against the second limiting rods.

Through adopting above-mentioned technical scheme, when the prefab was put and is required to change, take out the second gag lever post, make the down tube can slide in leading to the groove, peg graft the second gag lever post in the spacing downthehole of second loading board relevant position, fix it in the down tube bottom through this second gag lever post to according to the actual size of prefab and the inclination of depositing the requirement adjustment down tube, convenient and fast.

The present invention may be further configured in a preferred embodiment as: the montant includes the concatenation steel sheet of a plurality of mutual concatenations, adjacent two one side that concatenation steel sheet terminal surface was contradicted and the conflict part deviates from the down tube is provided with a fixed steel sheet, screw connection between fixed steel sheet and two adjacent concatenation steel sheets.

Through adopting above-mentioned technical scheme, when the prefab height that needs were deposited changes, twist the screw that moves between fixed steel sheet and the concatenation steel sheet, take off fixed steel sheet and can realize the dismantlement to the montant, screw up the screw between fixed steel sheet and two adjacent concatenation steel sheets, can splice the montant, the slip and the regulation of cooperation down tube, place the prefab this moment again, the support is adjustable in height, the concatenation steel sheet can be used as required on different supports, accomplish the effect to the most rational utilization of concatenation steel sheet, and the operation is simple, panel has been saved when placing small-size prefab, reduced and put the space, and the vertical reliability and stability of support has been increased.

The present invention may be further configured in a preferred embodiment as: the down tube comprises an inner tube, two outer tubes are sleeved outside the inner tube, and the outer tubes are connected with the inner tube through screws.

Through adopting above-mentioned technical scheme, when putting the not prefab of equidimension, the prefab of depositing as required requires, outwards screws the screw, adjusts the length of coincidence portion between outer tube and the inner tube, screws up the screw in relevant position and can realize the adjustment of down tube length, and the angle that the down tube and lead to the groove can also further be adjusted in the slip of logical inslot to cooperation down tube bottom, makes putting of different grade type prefab more reasonable.

The present invention may be further configured in a preferred embodiment as: the montant passes through the axis of rotation and articulates on the location steel sheet, be equipped with the braking piece that is used for fixed montant on the location steel sheet, the braking piece is including rotating seat, clamp, braking clamp plate, supporting steel plate and double-screw bolt, it is fixed to set up on the location steel sheet to rotate the seat, the axis of rotation is rotated and is connected on rotating the seat, the supporting steel plate sets up and is lieing in the axis of rotation below rotating the seat lateral wall, and contradicts with the axis of rotation, the clamp sets up on the supporting steel plate, the double-screw bolt pass the clamp and with clamp threaded connection, the braking clamp plate rotates the one end of connecting.

By adopting the technical scheme, when the length and the height of the bracket are adjusted, the vertical rod can rotate through the rotating shaft and is matched with the braking part for limiting the rotating shaft, so that the vertical rod can be vertical to the positioning steel plate when in normal use, when the size of the bracket is different from that of the prefabricated part to be stored, the stud on the hoop is screwed in the direction away from the rotating shaft, so that the braking pressure plate is away from the rotating shaft, the vertical rod can rotate around the rotating shaft, when the vertical rod rotates to be horizontal to the ground, the first limiting rod can be conveniently pulled out to adjust the transverse length of the bracket, meanwhile, the vertical rod can be spliced or disassembled correspondingly to splice the steel plates, after the splicing or the disassembly is finished, the vertical rod is rotated to be vertical to the ground, the stud is screwed, the rotating shaft is braked, so that the potential safety hazard brought by splicing and disassembling the vertical rod by using the crane is reduced, and the device is convenient and fast.

The present invention may be further configured in a preferred embodiment as: the locating steel plate has seted up the locating hole in the montant one side that deviates from the down tube, it has the locating plate to peg graft in the locating hole, the locating plate is close to montant one side and contradicts with the montant surface.

Through adopting above-mentioned technical scheme, when adjusting the support size back, utilize the braking piece to fix the montant, peg graft the locating plate in the locating hole again, make locating plate and montant contradict, share the pressure that comes from the montant that the axis of rotation bore, reduced the montant possibility of backward rotation, increased the stability of montant, convenient and reliable.

The present invention may be further configured in a preferred embodiment as: two the screens hole has all been seted up to the second loading board in relative one side, two the plug-in connection has the bracing piece between the screens hole, the bracing piece is located one side that the down tube deviates from the montant, the bracing piece is equipped with a plurality of stones that are used for supporting the prefab towards one side of down tube, the slope of stone upper surface sets up, and one side that the stone upper surface is close to the bracing piece is higher than the one side of keeping away from the bracing piece.

Through adopting above-mentioned technical scheme, through screens hole erection bracing piece, the bracing piece position is placed according to down tube and prefab size, and the stone is located one side that the bracing piece is close to the down tube and is pressed close to the bracing piece and evenly places, ensures to have a plurality of stones to support along prefab length direction in the prefab below, and one side that the down tube was kept away from to the stone is higher than the one side that is close to the down tube, reduces the prefab when supporting the prefab because the gliding possibility of down tube direction is kept away from to gravity reason.

The present invention may be further configured in a preferred embodiment as: the outer pipe of the diagonal rod is coated with a rubber sleeve.

Through adopting above-mentioned technical scheme, when depositing the prefab, prefab rubber sleeve is contradicted, and contact site is soft material this moment, has reduced and has caused prefab surface wear because of the misoperation when placing, increases the condition of prefab defective percentage, and then has reduced manufacturing cost, has improved product quality.

The present invention may be further configured in a preferred embodiment as: the montant lateral wall is equipped with two backup pads that are parallel to each other, two the backup pad all contradicts with the down tube.

Through adopting above-mentioned technical scheme, when the down tube removed and was fixed, because its both sides contradict with the backup pad, transversely can not have great degree skew, reduce the possibility that the down tube breaks away from the montant and drops appearing, support more reliably and increased the security of using.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the support is transversely adjustable, prefabricated members with different sizes and lengths can be placed, the flexibility is high, and the problems of space waste and instability caused by placing of small prefabricated members and large prefabricated members are reduced;

2. the length of the bracket diagonal rod is adjustable, the bracket diagonal rod can slide in the through groove, the diagonal rod can be adjusted according to the size of the prefabricated part, and meanwhile, the length of the diagonal rod and the angle of the ground can be adjusted, so that the space is saved and the application range is wider;

3. the longitudinal length of the support is adjustable, and the vertical rod can rotate around the rotating shaft, so that splicing and dismounting operations on the ground are realized, and the operation is simple and the safety is high;

4. the second bearing plates are spliced through screws and can be detached, so that the assembly of the positioning steel plates is very simple and convenient, the same positioning steel plate can be suitable for prefabricated parts of different sizes and specifications, and the flexibility is high.

Drawings

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

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

Fig. 3 is a schematic structural view showing the connection of the telescopic rod in the embodiment.

Fig. 4 is a schematic structural view of the embodiment showing the diagonal member.

Fig. 5 is an enlarged schematic view of a portion B in fig. 4.

FIG. 6 is a schematic structural diagram of the second carrier plate according to the present embodiment.

Fig. 7 is an enlarged schematic view of a portion C in fig. 6.

In the figure, 1, a frame body; 2. positioning a steel plate; 21. a first bearing plate; 22. a second carrier plate; 221. a second limiting hole; 222. a second limiting rod; 223. a position clamping hole; 224. a support bar; 225. connecting grooves; 226. a connecting plate; 23. a through groove; 24. a stopper; 241. clamping a hoop; 242. braking the pressure plate; 243. a support steel plate; 244. a stud; 245. a rotating plate; 25. positioning holes; 26. positioning a plate; 27. a rotating shaft; 3. a vertical rod; 31. a telescopic rod; 311. a telescopic cylinder; 3111. a first limit hole; 3112. a first limit rod; 32. splicing steel plates; 33. fixing a steel plate; 34. a support plate; 4. a diagonal bar; 41. an inner tube; 42. an outer tube; 43. a rubber sleeve; 5. and (4) a stone block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 3, for the utility model discloses a support is deposited to regulation formula precast concrete, comprising a frame body 1, support body 1 includes location steel sheet 2, montant 3 and down tube 4, the both ends of down tube 4 are connected with montant 3 and location steel sheet 2 respectively, montant 3 is connected perpendicularly on location steel sheet 2, be connected with a plurality of telescopic link 31 between two montants 3, telescopic link 31 includes the telescopic cylinder 311 that a plurality of cup jointed in proper order, each telescopic cylinder 311 is the straight tube that ring shape and length are the same for the cross-section, two adjacent telescopic cylinders 311 are in inside telescopic cylinder 311 external diameter and are in the same with the telescopic cylinder 311 internal diameter of outside, set up the first spacing hole 3111 that a plurality of along telescopic link 31 length direction equidistance distributes on the telescopic cylinder 311, through first gag lever 3112 in the spacing downthehole joint of coincidence between telescopic cylinder 311, make two adjacent telescopic cylinders 311 fixed.

When the prefabricated member is placed, an operator hangs and supports the prefabricated member on the two positioning steel plates 2, and leans against the two inclined rods 4 to support the prefabricated member; when the prefab size changes, the operator takes corresponding first gag lever post 3112 out according to the actual length of prefab, and two montants 3 of pulling keep away from each other or are close to, wait to adjust the back again with first gag lever post 3112 insert the first spacing hole 3111 of relevant position, will stretch out and draw back a section of thick bamboo 311 fixed, and is simple and convenient, has increased the application scope of support to different specification prefabs, does benefit to sparingly space.

Referring to fig. 1 and 4, montant 3 is including the concatenation steel sheet 32 of mutual concatenation, during the installation, place fixed steel sheet 33 in two adjacent concatenation steel sheet 32 keep away from one side of down tube 4, fixed steel sheet 33 is provided with the screw with concatenation steel sheet 32 coincidence, be equipped with the screw on the fixed steel sheet 33, threaded connection is in the screw behind the screw tip passing fixed steel sheet 33, thereby it is fixed with two adjacent concatenation steel sheet 32, each telescopic link 31 welds on two relative concatenation steel sheet 32, consequently, telescopic link 31 quantity is unanimous with 3 concatenation steel sheet 32 quantity of montant, the installation is simple, the height-adjustable of support has been realized, when putting small-size prefab, concatenation steel sheet 32 can be dismantled in a flexible way and install on another storage support of putting large-size prefab, make full use of each concatenation.

Referring to fig. 6 and 7, the positioning steel plate 2 includes a first bearing plate 21 and a plurality of second bearing plates 22 spliced with each other, two adjacent second bearing plates 22 have a connecting groove 225 at one end thereof, connecting plates 226 are inserted into the two connecting grooves 225, two ends of the connecting plates 226 are respectively in threaded connection with the two second bearing plates 22 through screws, and the second bearing plates 22 can be disassembled by unscrewing the screws and disassembling the connecting plates 226, so that an operator can disassemble and replace one or more sections of the second bearing plates 22, the length of the positioning steel plate 2 can be adjusted by splicing and disassembling the second bearing plate 22, so that the positioning steel plate 2 can be suitable for storing prefabricated members with different sizes, the material of the second bearing plate 22 on the positioning steel plate 2 is utilized to the maximum extent, while the second carrier plate 22 is removed for space saving storage of small preforms.

Referring to fig. 7, a through groove 23 has been all seted up on each second loading board 22, all be provided with a plurality of second spacing holes 221 that arrange along second loading board 22 length direction on leading to groove 23 two relative inner walls, two bisymmetry distributions of second spacing holes 221, outside the steel sheet was all worn out to each second spacing hole 221, the prefab size that the operator deposited as required and the position of putting pegged graft second gag lever post 222 in corresponding second spacing hole 221, 4 bottom sprags of down tube are in carrying the groove tank bottom and are supported by second gag lever post 222, make down tube 4 restricted.

Referring to fig. 4 and 7, the screens hole 223 has all been seted up in relative one side to two relative second loading boards 22, two relative screens holes 223 are inserted and are equipped with bracing piece 224, be equipped with a plurality of stones 5 that are used for supporting the prefab in bracing piece 224 towards one side of down tube 4, each stone 5 all contradicts with bracing piece 224 and follows bracing piece 224 length direction interval arrangement, and stone 5 surface slope, one side that stone 5 upper surface is close to bracing piece 224 is higher than the one side of keeping away from bracing piece 224, the lower one side of stone 5 is higher than the height that leads to groove 23 simultaneously, when placing the prefab, the prefab bottom contradicts with stone 5, because the support of stone 5, the prefab has reduced because self gravity reason to keeping away from the gliding possibility of down tube 4 direction.

Referring to fig. 1 and 2, the lowermost splice steel plate 32 is hinged to the first loading plate 21 by a rotating shaft 27, and the portion of the rotating shaft 27 protruding out of the splice steel plate 32 is controlled to rotate and be fixed by a stopper 24.

Referring to fig. 2, the braking member 24 includes two rotation seats welded on the first bearing plate 21, two rotation seats are respectively located and rotate the direction vertically both sides with the splice steel plate 32, and laminate mutually with this splice steel plate 32, wherein the welding has supporting steel plate 243 on the seat is rotated to one side, supporting steel plate 243 contradicts with axis of rotation 27, be provided with clamp 241 on the supporting steel plate 243, clamp 241 is U-shaped and opening orientation supporting steel plate 243, the clamp 241 top is provided with the screw hole, screw hole female connection has double-screw bolt 244, the one end of double-screw bolt 244 is worn into downwards in the clamp 241, and the one end of wearing into rotates and is connected with braking pressure plate 242, double-screw bolt 244 is located the clamp 241 in one end.

Referring to fig. 2, it can realize fixing montant 3 to twist double-screw bolt 244 to make braking clamp plate 242 support tightly with axis of rotation 27, first loading board 21 has seted up locating hole 25 in the one side that montant 3 deviates from down tube 4, it has locating plate 26 to peg graft in the locating hole 25, locating plate 26 is contradicted with the concatenation steel sheet 32 surface of bottommost, utilize locating plate 26 to bear most power on montant 3, further fix montant 3, it makes braking clamp plate 242 keep away from axis of rotation 27 to twist double-screw bolt 244, it can rotate montant 3 and make its tie lie to extract locating plate 26, then, splice and dismantle montant 3, and adjust telescopic link 31, safety and reliability, high stability, montant 3 is to keeping away from the skew of prefab direction when having reduced and depositing the prefab, the stability of support has been.

Referring to fig. 4 and 5, the down tube 4 includes an inner tube 41 with a rectangular cross section and an outer tube 42 sleeved at both ends of the inner tube 41, the inner tube 41 and the outer tube 42 are both straight tubes, the inner wall of the outer tube 42 is abutted against the outer wall of the inner tube 41, the outer tube 42 is coated with a rubber sleeve 43, the inner tube 41 is provided with a plurality of groups of screw holes, the top end of the outer tube 42 is provided with a group of screw holes, and after the down tube is adjusted to a corresponding position, the screw holes at the corresponding position of the inner tube 41 are connected with the screw.

Referring to fig. 4, the top end of the outer tube 42 above the inner tube 41 abuts against the vertical rod 3, the bottom end of the outer tube 42 below the inner tube 41 is supported at the bottom of the through slot 23 and can move, two parallel support plates 34 are convexly arranged on two sides of the surface of each splicing steel plate 32 facing the diagonal rod 4, the support plates 34 on two adjacent splicing steel plates 32 are connected, the support plates 34 abut against the diagonal rod 4, the end of the diagonal rod 4 is limited between the two support plates 34, and the position of the diagonal rod 4 is adjusted, so that the deviation of the diagonal rod 4 is limited.

The implementation principle of the embodiment is as follows: according to the size and position of the prefabricated member to be placed, the support of the vertical rod 3 and the braking of the rotating shaft 27 are loosened, the vertical rod 3 is rotated to be horizontal to the ground, the assembled and spliced steel plate 32 is used for adjusting the height of the support, the first limiting rod 3112 is sequentially drawn out, the length of the telescopic rod 31 is adjusted, the first limiting rod 3112 is inserted to complete the adjustment, the vertical rod 3 is rotated to be vertical to the first bearing plate 21, the stud 244 is screwed, the rotating shaft 27 is braked, the length of the inclined rod 4 and the relative positions of the two ends of the inclined rod 4 in the spliced steel plate 32 and the through groove 23 are adjusted, the inclination angle of the inclined rod 4 is adjusted, the second limiting rod 222 is inserted to clamp and fix the lower end of the inclined rod 4, the prefabricated member is hung on the second bearing plate 22 and leaned on the outer tube 42, finally, the prefabricated member 5 is inserted into the gap between the prefabricated member and the ground to abut against, just can place the prefab and deposit and the operation on depositing the support, accomplish depositing of prefab, accomplish same and deposit the support and can be applicable to the prefab of size specification diverse.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a support is deposited to regulation formula concrete prefabricated member which characterized in that: support body (1) including two symmetric distributions, support body (1) is including location steel sheet (2), montant (3) and down tube (4), montant (3) are connected perpendicularly on location steel sheet (2), the both ends of down tube (4) are connected with montant (3) and location steel sheet (2) respectively, two be connected with a plurality of telescopic link (31) with adjustable length between montant (3), telescopic link (31) are including telescopic cylinder (311) that cup joints in proper order, each all set up a plurality of along telescopic link (31) length direction equidistance distribution's first spacing hole (3111), adjacent two telescopic cylinder (311) have first gag lever post (3112) in the spacing downthehole interpolation of coincidence.

2. The adjustable precast concrete storage rack of claim 1, wherein: the utility model discloses a positioning steel plate, including first loading board (21) and a plurality of second loading board (22) of concatenation in proper order, positioning steel plate (2) are provided with logical groove (23) on second loading board (22), second loading board (22) are arranged along first loading board (21) length direction in proper order, adjacent two connecting groove (225), relative two have all been seted up with same one end that second loading board (22) is relative in connecting groove (225) interpolation has connecting plate (226), the both ends of connecting groove (225) are passed through the screw respectively with two second loading board (22) threaded connection.

3. The adjustable precast concrete storage rack of claim 2, wherein: the utility model discloses a positioning steel plate, including down slope, vaulting pole (4), montant (3), second bearing board (22) lateral wall are seted up a plurality of spacing holes (221) of second of arranging along positioning steel plate (2) length direction, it has second gag lever post (222) to peg graft in spacing hole (221) of second, the one end support that down inclines of vaulting pole (4) is at logical groove (23) tank bottom and contradict with second gag lever post (222).

4. The adjustable precast concrete storage rack of claim 1, wherein: montant (3) include a plurality of concatenation steel sheet (32) of splicing each other, adjacent two one side that concatenation steel sheet (32) terminal surface was contradicted and the conflict part deviates from down tube (4) is provided with a fixed steel sheet (33), screw connection between fixed steel sheet (33) and two adjacent concatenation steel sheet (32).

5. The adjustable precast concrete storage rack of claim 1, wherein: the inclined rod (4) comprises an inner tube (41), two outer tubes (42) are sleeved outside the inner tube (41), and the outer tubes (42) are connected with the inner tube (41) through screws.

6. The adjustable precast concrete storage rack of claim 1, wherein: montant (3) articulate on location steel sheet (2) through axis of rotation (27), be equipped with braking piece (24) that are used for fixed montant (3) on location steel sheet (2), braking piece (24) are including rotating seat, clamp (241), braking clamp plate (242), supporting steel plate (243) and double-screw bolt (244), it is fixed to set up on location steel sheet (2) to rotate the seat, axis of rotation (27) are rotated and are connected on rotating the seat, supporting steel plate (243) set up on rotating the seat lateral wall and are located axis of rotation (27) below, and contradict with axis of rotation (27), clamp (241) set up on supporting steel plate (243), double-screw bolt (244) pass clamp (241) and with clamp (241) threaded connection, braking clamp plate (242) rotate the one end of connection in double-screw bolt (244) are located clamp (241).

7. The adjustable precast concrete storage rack of claim 1, wherein: locating hole (25) have been seted up in one side that montant (3) deviate from down tube (4) to location steel sheet (2), it has locating plate (26) to peg graft in locating hole (25), locating plate (26) are close to montant (3) one side and are contradicted with montant (3) surface.

8. The adjustable precast concrete storage rack of claim 2, wherein: two relatively block position hole (223), two have all been seted up in relative one side in second loading board (22) the plug-in connection has bracing piece (224) between block position hole (223), bracing piece (224) are located down tube (4) and deviate from one side of montant (3), bracing piece (224) are equipped with a plurality of stones (5) that are used for supporting the prefab towards one side of down tube (4), stone (5) upper surface slope sets up, and one side that stone (5) upper surface is close to bracing piece (224) is higher than the one side of keeping away from bracing piece (224).

9. The adjustable precast concrete storage rack of claim 3, wherein: the outer tube (42) of the diagonal rod (4) is coated with a rubber sleeve (43).

10. The adjustable precast concrete storage rack of claim 1, wherein: the side wall of the vertical rod (3) is provided with two parallel supporting plates (34), and the two supporting plates (34) are abutted against the inclined rod (4).

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