CN215055129U - Folding platform frame - Google Patents

Abstract

The application relates to the technical field of cleaning and maintaining of building outer walls, in particular to a folding platform frame, which comprises at least two groups of main supporting frame bodies and extension frame bodies, wherein each main supporting frame body comprises a frame type hanging beam, an upright post and an oblique supporting beam, the upright post and the hanging beam are detachably hinged, two ends of the oblique supporting beam are detachably hinged with the upright post and the hanging beam respectively, the hanging beam is fixedly connected with an expansion bolt which is pre-driven into a wall body, the top surfaces of two adjacent hanging beams are jointly provided with a panel, the hanging beam is fixedly connected with an upward inclined side connecting rod in a sliding manner at one end far away from the wall body, the two side connecting rods are fixedly connected with the panel together, each extension frame body comprises a first extension rod, a second extension rod and a cross beam, the first extension rod is detachably connected with the upright post, the second extension rod is detachably connected with the hanging beam, the first extension rod and the second extension rod are fixedly connected with the cross beam at the end far away from the hanging beam, the top surface of crossbeam can be dismantled and be connected with the panel, and this application can be installed fast and dismantle the shaping operation frame, reduces time, human cost.

Description

Folding platform frame

Technical Field

The application relates to the technical field of cleaning and maintaining of building outer walls, in particular to a folding platform frame.

Background

The outer wall of a building is exposed for a long time and is easily covered with a layer of dust to influence the appearance.

In some building outer wall cleaning and maintenance operations, a forming operation frame needs to be built near a wall body, and an operator walks on the forming operation frame to clean and maintain the building outer wall.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the related forming operation frame needs to be built from the ground, and the installation and disassembly processes are complex, time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

In order to install fast and dismantle shaping operation frame, reduce time cost and human cost, this application provides a folding platform frame.

The application provides a folding platform frame adopts following technical scheme: the utility model provides a folding platform frame, including at least two sets of main support frame bodies and extension support body, the main support frame body includes the frame-type string roof beam, stand and oblique supporting beam, the stand can be dismantled with hanging the roof beam and articulate, the both ends of oblique supporting beam respectively with the stand, it can dismantle articulated to hang the roof beam, it articulates fixedly with the expansion bolts who squeezes into in the wall in advance to hang the roof beam, the panel has been set up jointly to two adjacent top surfaces of hanging the roof beam, it has ascending side connecting rod of slope to hang the one end slip rigid coupling of roof beam keeping away from the wall body, the common rigid coupling of two side connecting rods has the panel, the extension support body includes first extension rod, second extension rod and crossbeam, first extension rod can be dismantled with the stand and be connected, the second extension rod can be dismantled with hanging the roof beam and be connected, first extension rod, the tip of second extension rod keeping away from hanging the roof beam jointly with the crossbeam rigid coupling, the top surface of crossbeam can be dismantled and be connected with the panel.

By adopting the technical scheme, when the folding platform frame is installed, firstly, the extension frame body is fixedly connected with the main support frame body by using the fastening bolts, the panel is fixedly connected with the hanging beam by using the fastening bolts, the panel is fixedly connected with the cross beam by using the fastening bolts, the side connecting rod is fixedly connected with the hanging beam by using the fastening bolts, the panel is fixedly connected with the side connecting rod by using the fastening bolts, the expansion bolts are driven into the wall body at a proper height according to the actual working condition, and then, the whole folding platform frame is hoisted by using external crane equipment and is hung on the expansion bolts, so that the whole installation process is simple, convenient and quick; the operator walks on the panel to clean and maintain the wall body; when dismantling folding platform frame, use outside crane equipment to hoist whole folding platform frame and place subaerial, dismantle the fastening bolt who connects extension support body and main support body, dismantle the fastening bolt who connects the side connecting rod and hang the roof beam, the articulated of disconnection stand and hanging the roof beam, in taking in the oblique corbel of stand, in taking in the hanging roof beam with the oblique corbel again, it is simple and efficient to dismantle the process, can reduce time cost and human cost, folding platform frame occupation space after dismantling simultaneously is small, the transportation of being convenient for.

Optionally, the hanging beam is fixedly provided with a hollow frame type hanging part at one end facing the wall body, the top and the bottom of the hanging part are provided with openings, a hanging groove is formed in the side face facing the wall body of the hanging part, and the expansion bolt is in sliding clamping fit with the hanging groove.

Through adopting above-mentioned technical scheme, when hoist and mount folding platform frame, hang folding platform frame to expansion bolts top earlier, transfer folding platform frame gradually, make expansion bolts's tip get into to hang and connect the inslot, the wall body supports fixedly through expansion bolts and the cooperation of hanging that connects the groove whole folding platform frame, and the installation and the dismantlement process are all simple and convenient swift, labour saving and time saving.

Optionally, mutually just right waist type groove has all been seted up to two mutual just right sides of portion of linking up, and in the direction of keeping away from the wall body, waist type groove extends to the slope of oblique top, and waist type inslot sliding fit has self-locking bolt, and self-locking bolt slides along the direction of seting up of waist type groove, and self-locking bolt cover is equipped with the crane jib of U-shaped, and the crane jib lies in the portion of linking up, and the side rigid coupling of portion of linking up is kept away from to the hanging beam has the crane jib of U-shaped.

By adopting the technical scheme, the lifting hook of the external crane equipment is hooked with the lifting hook plate and the lifting hook, the whole folding platform frame can be stably lifted, the lifting hook plate pulls the self-locking bolt to the unlocking hanging groove at the top of the waist-shaped groove, so that the expansion bolt can smoothly enter the hanging groove, when the folding platform frame is installed in place, the connection between the lifting hook of the external crane equipment and the lifting hook plate and the lifting hook is disconnected, the self-locking bolt and the lifting hook plate slide to the bottom of the waist-shaped groove under the action of self weight, and the self-locking bolt is abutted against the expansion bolt to improve the stable connection between the expansion bolt and the hanging part.

Optionally, hang the roof beam and run through the bolt that has approximate U-shaped in the position that is close to the joint portion, the bolt runs through the stand and can dismantle the hinge with the stand with hanging the roof beam, and two sections inserted bars of bolt have set firmly the spacer jointly, hang the roof beam and rotate near the spacer and be connected with rotatory fastener, rotatory fastener makes the bolt keep fixed with the spacer joint cooperation.

Through adopting above-mentioned technical scheme, use the bolt to articulate stand and string roof beam fast, the bolt installation spacer butt that targets in place hangs the lateral wall of roof beam, rotates rotatory fastener and makes rotatory fastener lock the dead spacer, keeps stand and the stable of hanging the roof beam articulated, improves folding platform frame's safety in utilization, and stand and the dismantlement process of hanging the roof beam simple and fast.

Optionally, hang the roof beam and all set firmly the angle bar in the both sides of perpendicular to panel, fastening bolt runs through the angle bar and can dismantle the connection with panel and hanging the roof beam, and the both ends of all panels are all clamped jointly and are fixed with the channel-section steel.

Through adopting above-mentioned technical scheme, the side connecting rod carries out horizontal spacing to all panels of setting up on hanging the roof beam, and the channel-section steel makes all panels as an organic whole, and fastening bolt passes through the angle bar with one of them panel and hanging roof beam fixed connection, realizes vertical spacing to all panels, keeps the stable static of panel, improves folding platform frame's safety in utilization.

Optionally, the hanging beam is fixedly provided with two fixing plates which are opposite to each other at one end far away from the hanging part, the side connecting rod is in sliding fit with the two fixing plates, the end part of the side connecting rod in sliding fit with the fixing plates is provided with a sliding groove, and the fastening bolt penetrates through the two fixing plates and the sliding groove to fixedly connect the side connecting rod with the fixing plates.

Through adopting above-mentioned technical scheme, when the relative position of side connecting rod and fixed plate is adjusted to needs, make the side connecting rod slide between two fixed plates, reuse fastening bolt afterwards and carry out fixed connection with two fixed plates and side connecting rod, can adapt to different operating mode needs.

Optionally, a spare hinge portion is fixedly arranged at one end, close to the stand column, of the oblique supporting beam, a plurality of spare hinge holes are formed in the spare hinge portion, and fastening bolts penetrate through the spare hinge holes and the stand column to hinge the oblique supporting beam and the stand column.

Through adopting above-mentioned technical scheme, use fastening bolt to run through the reserve hinge hole of different positions with the oblique corbel frame articulated with the stand, can change the contained angle between string roof beam and the stand to adjust the levelness of hanging the roof beam, with the wall that adapts to different inclinations.

Optionally, two guide limiting parts facing each other are fixedly arranged near the hinge of the oblique supporting beam and the upright column, and the upright column is always located in the two guide limiting parts and is in sliding fit with the guide limiting parts.

Through adopting above-mentioned technical scheme, two direction locating parts carry on spacingly to the rotation that the stand goes on around oblique corbel, improve the stand and carry out pivoted stability around oblique corbel, improve folding platform frame's safety in utilization.

Optionally, each group the second extension rod of extension support body all has set firmly the hasp in the same position, and the panel has been set up jointly to the hasp on the adjacent second extension rod.

Through adopting above-mentioned technical scheme, the hasp carries out fixed stay to the panel, and when the operation personnel walked on the panel on the crossbeam, the panel of second extension rod can protect operation personnel's walking safety, improves folding platform frame's safety in utilization.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the hanging part and the hanging groove, the wall body supports and fixes the whole folding platform frame through the hanging matching of the expansion bolt and the hanging groove, so that the mounting and dismounting process is simple, convenient and quick, and time and labor are saved;

2. the upright post and the hanging beam can be quickly hinged by using the bolt, and the detaching process of the upright post and the hanging beam is simple and quick;

3. the sliding grooves are formed in the end portions of the side connecting rods, so that different mounting positions of the side connecting rods can be realized, and different working condition requirements can be met.

Drawings

FIG. 1 is a schematic structural view of a folding platform shelf according to an embodiment of the present application;

FIG. 2 is an exploded view of a chute;

fig. 3 is a schematic structural view showing a hanging groove.

Description of reference numerals: 1. a main support frame body; 11. hanging a beam; 111. a hanging part; 112. a hanging groove; 113. a waist-shaped groove; 114. a lifting hook; 115. rotating the clamping piece; 1151. a connecting portion; 1152. a clamping part; 1153. a rotating part; 116. angle iron; 117. a fixing plate; 12. a column; 13. obliquely supporting the beam; 131. a spare hinge; 132. a spare hinge hole; 133. a guide limit piece; 134. sealing the rib plate; 2. extending the frame body; 21. a first extension pole; 22. a second extension pole; 221. hooking; 23. a cross beam; 3. a wall body; 31. an expansion bolt; 4. a side connecting rod; 41. a chute; 5. a panel; 6. a self-locking bolt; 61. a lifting hook; 7. a bolt; 71. positioning plates; 8. channel steel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a folding platform frame, referring to fig. 1 and 2, the folding platform frame comprises two groups of main supporting frame bodies 1 and an extension frame body 2, each main supporting frame body 1 comprises a frame-type hanging beam 11, an upright post 12 and an oblique supporting beam 13, the upright post 12 is detachably hinged with the hanging beam 11, two ends of the oblique supporting beam 13 are respectively hinged with the upright post 12 and the hanging beam 11 through fastening bolts, one end of the hanging beam 11, which is hinged with the upright post 12, is fixedly connected with an expansion bolt 31 which is pre-driven into a wall body 3, a plurality of strip-shaped panels 5 are erected on the top surfaces of two adjacent hanging beams 11 together, and the panels 5 are mutually abutted; one end of the hanging beam 11 far away from the wall 3 is connected with an upward inclined side connecting rod 4 in a sliding manner, the side connecting rod 4 extends upwards in an inclined manner in the direction far away from the wall 3, and the two side connecting rods 4 are fixedly connected with a plurality of mutually abutted panels 5 through fastening bolts; extension support body 2 includes first extension rod 21, second extension rod 22 and crossbeam 23, first extension rod 21 passes through fastening bolt fixed connection with stand 12, second extension rod 22 passes through fastening bolt fixed connection with hanging roof beam 11, first extension rod 21, second extension rod 22 passes through fastening bolt fixed connection with crossbeam 23 jointly at the tip of keeping away from hanging roof beam 11, the panel 5 that the top surface of crossbeam 23 passes through the mutual concatenation of fastening bolt fixedly connected with polylith, two second extension rods 22 have set up the same panel 5 of polylith interval arrangement jointly.

Referring to fig. 1 and 2, according to actual working conditions, an expansion bolt 31 is driven into a wall 3 at a proper height, then the whole folding platform frame is lifted by using external crane equipment, and is hung on the expansion bolt 31, and the whole installation process is simple, convenient and quick; the operator walks on the panel 5 arranged on the hanging beam 11 or the panel 5 arranged on the cross beam 23 to clean and maintain the wall 3, the panel 5 of the second extension rod 22 can protect the walking safety of the operator, and the use safety of the folding platform frame is improved; when dismantling the folding platform frame, use outside crane equipment to hoist whole folding platform frame and place subaerial, dismantle the fastening bolt who connects extension support body 2 and main support frame body 1, dismantle the fastening bolt who connects side connecting rod 4 and hang roof beam 11, break off the stand 12 and hang the articulated of roof beam 11, in withdrawing oblique corbel 13 with stand 12, in withdrawing oblique corbel 13 again, it is simple and convenient swift to dismantle the process, can reduce time cost and human cost, folding platform frame occupation space after dismantling simultaneously is small, the transportation of being convenient for.

Referring to fig. 1 and 2, angle irons 116 are welded and fixed on two sides of the hanging beam 11 perpendicular to the panel 5, fastening bolts penetrate through the angle irons 116 to fixedly connect the panel 5 and the hanging beam 11, channel steel 8 is clamped and connected at two ends of all the panels 5 erected on the top surface of the hanging beam 11, and the fastening bolts penetrate through the channel steel 8 and the panel 5 to fixedly connect the channel steel 8 and the panel 5; side connecting rod 4 carries out horizontal spacing to setting up all panels 5 on hanging roof beam 11, and channel-section steel 8 makes all panels 5 close as an organic whole, and fastening bolt passes through angle bar 116 with one of them panel 5 and hang roof beam 11 fixed connection, realizes vertical spacing to all panels 5, keeps panel 5 stable static, improves folding platform frame's safety in utilization.

Referring to fig. 1 and 2, two fixing plates 117 facing each other are integrally formed at one end of the hanging beam 11 far away from the wall 3, the two fixing plates 117 extend obliquely in the direction far away from the wall 3, the side connecting rod 4 is located between the two fixing plates 117, a sliding groove 41 is formed in the end part of the side connecting rod 4 located between the two fixing plates 117, the direction of the sliding groove 41 is parallel to the length direction of the side connecting rod 4, and a fastening bolt penetrates through the two fixing plates 117 and the sliding groove 41 to fixedly connect the side connecting rod 4 with the fixing plates 117; when the relative position of side connecting rod 4 and fixed plate 117 needs to be adjusted, side connecting rod 4 is made to slide between two fixed plates 117, and then fastening bolts are used to fixedly connect two fixed plates 117 and side connecting rod 4, so that different working condition requirements can be adapted.

Referring to fig. 2 and 3, a hollow frame-type hanging part 111 is integrally formed at one end of the hanging beam 11 facing the wall 3, openings are formed at the top and bottom of the hanging part 111, a hanging groove 112 with an opening is formed at the side of the hanging part 111 facing the wall 3, the opening of the hanging groove 112 faces the ground, the extending direction of the hanging groove 112 is parallel to the length direction of the upright post 12, the expansion bolt 31 is in sliding clamping fit with the hanging groove 112, mutually facing waist-shaped grooves 113 are formed at two mutually facing sides of the hanging part 111, in the direction of keeping away from wall body 3, waist type groove 113 inclines to the top slope and extends, and waist type groove 113 sliding fit has self-locking bolt 6, and self-locking bolt 6 slides along waist type groove 113's the orientation of seting up, and self-locking bolt 6 rotates the cover and is equipped with U-shaped lifting hook plate 61, and lifting hook plate 61 is located hitching part 111, and two vertical sides that deviate from each other of hanging beam 11 keeping away from hitching part 111 are welded and fixed with U-shaped lifting hook 114 jointly.

Referring to fig. 2 and 3, when the folding platform frame is hoisted, the lifting hook of the external crane equipment is hooked on the hoisting plate 61 and the hoisting hook 114, the whole folding platform frame is hoisted, the hoisting hook plate 61 pulls the self-locking bolt 6 to the top part unlocking hanging groove 112 of the waist-shaped groove 113, so that the expansion bolt 31 can smoothly enter the hanging groove 112, the wall body 3 supports and fixes the whole folding platform frame through the hanging matching of the expansion bolt 31 and the hanging groove 112, the connection between the lifting hook of the external crane equipment and the hoisting hook 61 and the hoisting hook 114 is disconnected, the self-locking bolt 6 and the hoisting hook 61 slide to the vicinity of the bottom part of the waist-shaped groove 113 under the action of self weight, the self-locking bolt 6 abuts against the expansion bolt 31 to improve the stable connection between the expansion bolt 31 and the hanging part 111, and the installation and disassembly processes are simple, convenient and rapid, and time-saving and labor-saving.

Referring to fig. 2 and 3, a U-shaped bolt 7 penetrates through a position of a hanging beam 11 close to a hanging part 111, the bolt 7 penetrates through an upright post 12 to hinge the upright post 12 and the hanging beam 11, two sections of insertion rods of the bolt 7 are jointly and integrally formed with a positioning piece 71, the positioning piece 71 is close to a bending part of the bolt 7, the positioning piece 71 is abutted against the side surface of the hanging beam 11, the hanging beam 11 is rotatably connected with a rotary clamping piece 115 close to the positioning piece 71 through a bolt, the rotary clamping piece 115 comprises a connecting part 1151, a clamping part 1152 and a rotating part 1153, the clamping part 1152 is positioned between the rotating part 1153 and the connecting part 1151, the rotating part 1153 is perpendicular to the connecting part 1151, a fastening bolt penetrates through the connecting part 1151 to rotatably connect the whole rotary clamping piece 115 and the hanging beam 11, the distance between the clamping part 1152 and the hanging beam 11 is equal to the thickness of the positioning piece 71, the positioning piece 71 is positioned between the clamping part 1152 and the hanging beam 11, the clamping part 1152 is abutted against and matched with the positioning piece 71, the rotary clamping piece 115 is in clamping fit with the positioning piece 71, so that the bolt 7 and the hanging beam 11 are kept relatively static and fixed. Use bolt 7 can be articulated stand 12 and hanging beam 11 fast, bolt 7 is installed the back in place, the lateral wall of beam 11 is hung in the butt of spacer 71, use rotation portion 1153 to rotate rotatory fastener 115 and make rotatory fastener 115 lock spacer 71, and then make bolt 7 and hanging beam 11 keep static relatively fixed, keep stand 12 and hanging beam 11 stable articulated, improve folding platform frame's safety in utilization, when dismantling stand 12 and hanging beam 11, rotate rotatory fastener 115 with the help of rotation portion 1153 and make rotatory fastener 115 break away from spacer 71, can take bolt 7 out from hanging beam 11, the dismantlement process is swift simple and convenient.

Referring to fig. 2 and 3, two guide position-limiting members 133 facing each other are integrally formed near the hinge joint of the diagonal beam 13 and the vertical column 12, the end portions of the two guide position-limiting members 133 are welded and fixed to a closed rib 134, and the vertical column 12 is always located in the two guide position-limiting members 133 and is in sliding fit with the guide position-limiting members 133. The two guiding position-limiting parts 133 and the closed rib plates 134 surround and limit the rotation range of the upright post 12 around the oblique supporting beam 13, so that the upright post 12 is prevented from rotating too fast and striking the standby hinge part 131, and the use safety of the folding platform frame is improved.

Referring to fig. 2 and 3, a spare hinge portion 131 is integrally formed at one end of the oblique supporting beam 13 close to the vertical column 12, the spare hinge portion 131 abuts against the wall 3, two sets of spare hinge holes 132 are formed in the spare hinge portion 131, and fastening bolts penetrate through the spare hinge holes 132 and the vertical column 12 to hinge the oblique supporting beam 13 and the vertical column 12. The inclined supporting beam 13 is hinged with the upright post 12 by penetrating the spare hinge holes 132 at different positions through fastening bolts, so that the included angle between the hanging beam 11 and the upright post 12 can be changed, and the levelness of the hanging beam 11 can be adjusted to adapt to wall surfaces with different slopes.

Referring to fig. 1, the second extension rod 22 of each group of extension frame bodies 2 is welded and fixed with the hooks 221 at the same vertical position, each second extension rod 22 is welded and fixed with a plurality of equidistantly distributed hooks 221 along the length direction of the second extension rod 22, and the panels 5 are jointly overlapped on the hooks 221 of the adjacent second extension rods 22. The hook 221 fixedly supports the panel 5, and when the worker walks on the panel 5 on the cross beam 23, the panel 5 of the second extension rod 22 can protect the walking safety of the worker, and the use safety of the folding platform frame is improved.

The implementation principle of the folding platform frame in the embodiment of the application is as follows: according to the actual working condition, the expansion bolt 31 is driven into the wall 3 at a proper height, the lifting hook of external crane equipment is hooked on the lifting hook plate 61 and the lifting hook 114, the whole folding platform frame is lifted, the lifting hook plate 61 pulls the self-locking bolt 6 to the top unlocking hanging groove 112 of the waist-shaped groove 113, so that the expansion bolt 31 can smoothly enter the hanging groove 112, the wall 3 supports and fixes the whole folding platform frame through the hanging matching of the expansion bolt 31 and the hanging groove 112, the connection between the lifting hook of the external crane equipment, the lifting hook plate 61 and the lifting hook 114 is disconnected, the self-locking bolt 6 and the lifting hook plate 61 slide to the position near the bottom of the waist-shaped groove 113 under the action of self weight, the self-locking bolt 6 abuts against the expansion bolt 31, the stable connection between the expansion bolt 31 and the hanging part 111 is improved, and the whole installation process is simple, convenient and rapid.

The operation personnel walk and carry out clean maintenance to wall 3 on panel 5, and operation personnel's walking safety can be protected to panel 5 of second extension rod 22, improves folding platform frame's safety in utilization.

When dismantling the folding platform frame, use outside crane equipment to hoist whole folding platform frame and place subaerial, dismantle the fastening bolt who connects extension support body 2 and main support frame body 1, dismantle the fastening bolt who connects side connecting rod 4 and hang roof beam 11, break off the stand 12 and hang the articulated of roof beam 11, in withdrawing oblique corbel 13 with stand 12, in withdrawing oblique corbel 13 again, it is simple and convenient swift to dismantle the process, can reduce time cost and human cost, folding platform frame occupation space after dismantling simultaneously is small, the transportation of being convenient for.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a folding platform frame which characterized in that: the combined type wall-mounted frame comprises at least two groups of main supporting frame bodies (1) and an extension frame body (2), wherein each main supporting frame body (1) comprises a frame type hanging beam (11), an upright post (12) and an inclined supporting beam (13), the upright post (12) is detachably hinged with the hanging beam (11), two ends of the inclined supporting beam (13) are detachably hinged with the upright post (12) and the hanging beam (11) respectively, the hanging beam (11) is fixedly connected with an expansion bolt (31) which is pre-driven into a wall body (3), a panel (5) is jointly erected on the top surfaces of two adjacent hanging beams (11), one end of each hanging beam (11) far away from the wall body (3) is slidably and fixedly connected with an upward inclined side connecting rod (4), the two side connecting rods (4) are fixedly connected with the panel (5) jointly, the extension frame body (2) comprises a first extension rod (21), a second extension rod (22) and a cross beam (23), the first extension rod (21) is detachably connected with the upright post (12), the second extension rod (22) is detachably connected with the hanging beam (11), the first extension rod (21) and the second extension rod (22) are fixedly connected with the cross beam (23) at the end part far away from the hanging beam (11), and the top surface of the cross beam (23) is detachably connected with the panel (5).

2. A folding platform shelf according to claim 1, characterized in that: the hanging beam (11) is fixedly provided with a hollow frame type hanging part (111) at one end facing the wall body (3), the top and the bottom of the hanging part (111) are provided with openings, a hanging groove (112) is formed in the side face, facing the wall body (3), of the hanging part (111), and the expansion bolt (31) is in sliding clamping fit with the hanging groove (112).

3. A folding platform shelf according to claim 2, characterized in that: the hanging part (111) is provided with two opposite side faces, the two opposite side faces are provided with opposite waist-shaped grooves (113), the waist-shaped grooves (113) extend obliquely upwards in the direction away from the wall body (3), self-locking bolts (6) are arranged in the waist-shaped grooves (113) in a sliding fit mode, the self-locking bolts (6) slide along the arrangement direction of the waist-shaped grooves (113), the self-locking bolts (6) are sleeved with U-shaped hoisting plates (61), the hoisting plates (61) are located in the hanging part (111), and the side faces, away from the hanging part (111), of the hanging beam (11) are fixedly connected with U-shaped hoisting hooks (114).

4. A folding platform shelf according to claim 2, characterized in that: hang roof beam (11) and run through bolt (7) of approximate U-shaped in the position that is close to joint portion (111), bolt (7) run through stand (12) can dismantle articulated with stand (12) and hang roof beam (11), and two sections inserted bars of bolt (7) have set firmly spacer (71) jointly, hang roof beam (11) and locate to rotate near spacer (71) and be connected with rotatory fastener (115), and rotatory fastener (115) and spacer (71) joint cooperation make bolt (7) keep fixed.

5. A folding platform shelf according to claim 1, characterized in that: hang roof beam (11) and all set firmly angle bar (116) in the both sides of perpendicular to panel (5), fastening bolt runs through angle bar (116) and can dismantle with panel (5) and hang roof beam (11) and be connected, and the both ends of all panel (5) all joint is fixed with channel-section steel (8) jointly.

6. A folding platform shelf according to claim 2, characterized in that: hang roof beam (11) and set firmly two fixed plates (117) just to each other in the one end of keeping away from hanging portion (111), side connecting rod (4) and two fixed plates (117) sliding fit, spout (41) have been seted up to side connecting rod (4) and fixed plate (117) sliding fit's tip, and fastening bolt runs through two fixed plates (117) and spout (41) with side connecting rod (4) and fixed plate (117) fixed connection.

7. A folding platform shelf according to claim 1, characterized in that: one end of the oblique supporting beam (13) close to the upright post (12) is fixedly provided with a standby hinge part (131), the standby hinge part (131) is provided with a plurality of standby hinge holes (132), and fastening bolts penetrate through the standby hinge holes (132) and the upright post (12) to hinge the oblique supporting beam (13) and the upright post (12).

8. A folding platform shelf according to claim 1, characterized in that: two guide limiting parts (133) which are opposite to each other are fixedly arranged near the hinged position of the inclined supporting beam (13) and the upright column (12), and the upright column (12) is always positioned in the two guide limiting parts (133) and is in sliding fit with the guide limiting parts (133).

9. A folding platform shelf according to claim 1, characterized in that: each group of the second extension rod (22) of the extension frame body (2) is fixedly provided with a hook (221) at the same position, and a panel (5) is jointly erected on the hook (221) on the adjacent second extension rod (22).

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