CN113529788B

CN113529788B - Basement roof post-cast strip bearing structure

Info

Publication number: CN113529788B
Application number: CN202110809832.8A
Authority: CN
Inventors: 梁机灵; 季飞; 卜玉坤
Original assignee: Nanjing Qiaoxin Construction Co ltd
Current assignee: Nanjing Qiaoxin Construction Co ltd
Priority date: 2021-07-17
Filing date: 2021-07-17
Publication date: 2023-01-03
Anticipated expiration: 2041-07-17
Also published as: CN113529788A

Abstract

The utility model relates to a basement roof post-cast strip bearing structure relates to the field of post-cast strip construction technology, it includes support and template, the support is equipped with a plurality of and arranges along post-cast strip length direction, the support includes a plurality of pole settings, a plurality of pole settings divide into two sets ofly along post-cast strip length direction, it is fixed through consolidating the member between two adjacent pole settings, equal threaded connection has a first regulation section of thick bamboo in each pole setting, first regulation section of thick bamboo top is rotated and is connected with first top and holds in the palm, two first tops relative about post-cast strip are held in the palm and are put up the sleeper, be equipped with a plurality of fossil fragments on each sleeper, the template is laid on fossil fragments. This application has the effect that convenient regulation bearing structure, application scope are wide.

Description

Basement roof post-cast strip bearing structure

Technical Field

The application relates to the field of post-cast strip construction technology, in particular to a supporting structure for a post-cast strip of a top plate of a basement.

Background

The post-cast strip is a concrete strip reserved at the corresponding position of a foundation slab, a wall and a beam according to the design or construction specification requirement in order to prevent harmful cracks possibly generated by uneven self shrinkage or uneven settlement of a cast-in-place reinforced concrete structure in the building construction.

In the related art, a construction method for a post-cast strip of a top plate of a basement is generally to build a scaffold, lay a template on the scaffold, use the template to abut against the top plate and block the position of the post-cast strip reserved on the top plate, pour concrete and maintain, and finally remove the scaffold and the template.

But in actual work progress, because the template need support tightly with the roof, if there is the clearance between template and the roof after the scaffold frame is fixed, need adjust whole bearing structure, cause to adjust more loaded down with trivial details.

Disclosure of Invention

In order to improve the problem that the support structure is inconvenient to adjust, the application provides a post-cast strip support structure for a top plate of an underground chamber.

The application provides a basement roof post-cast strip bearing structure adopts following technical scheme:

the utility model provides a basement roof post-cast strip bearing structure, includes support and template, the support is equipped with a plurality of and arranges along post-cast strip length direction, the support includes a plurality of pole settings, and a plurality of pole settings divide into two sets ofly along post-cast strip length direction, each the pole setting is fixed through consolidating the member, and each is found equal threaded connection has a first regulation section of thick bamboo in the pole setting, first regulation section of thick bamboo top is rotated and is connected with first top and holds in the palm, two relative about post-cast strip the sleeper has been set up on first top holds in the palm, each be equipped with a plurality of fossil fragments on the sleeper, the template is laid on fossil fragments.

By adopting the technical scheme, the support is used as a supporting foundation to support the template on the bottom surface of the top plate, and an operator can screw the first adjusting cylinder to adjust the overall height of the vertical rod, so that the template is tightly supported against the top plate, the adjustment is convenient, and the application range of the supporting structure is enlarged; the load that the template bore disperses through fossil fragments and sleeper for the holistic stability of bearing structure improves.

Optionally, the reinforcing rod piece comprises a cross rod and a disc, the disc is arranged on each vertical rod, the two ends of the cross rod are respectively provided with a bolt, the disc is provided with a pin hole for inserting the bolt, the cross rod is connected with a limiting sleeve corresponding to the two bolts in a threaded manner, and the limiting sleeve is tightly abutted to the disc.

Through adopting above-mentioned technical scheme, the stop collar presss from both sides tight disc with the bolt, has realized the relatively fixed of horizontal pole with the pole setting, and the operator only needs to twist during the dismantlement and moves the stop collar and the disc separation, take off the horizontal pole again can, simple and convenient.

Optionally, the side wall of the disc is provided with a limiting surface matched with the end surface of the limiting sleeve.

Through adopting above-mentioned technical scheme, spacing face and stop collar terminal surface laminating do benefit to increase the stability that stop collar and disc support tightly.

Optionally, each pole setting lateral wall all is fixed with the ascending down tube that inclines through the connecting piece, the down tube is about post-cast strip symmetric distribution, each the pole setting was kept away from to the down tube one end is equal vertically to be equipped with the double-screw bolt, threaded connection has the second to adjust a section of thick bamboo on the double-screw bolt, be equipped with the second on the second is adjusted a section of thick bamboo and hold in the palm.

Through adopting above-mentioned technical scheme, utilize the down tube as the support that the second held in the palm, reduced and adopted the grudging post as required pole setting quantity when supporting, can save the resource on the one hand, on the other hand is convenient for on-the-spot assembly.

Optionally, the connecting piece includes clamp and picture peg, the clamp is equipped with two and articulated each other, the down tube is fixed at one of them clamp lateral wall, two the pole setting is withheld to the clamp, and has all seted up first logical groove on two clamps, set up the second that runs through in the pole setting and lead to the groove, the picture peg slope passes first logical groove and second logical groove downwards.

By adopting the technical scheme, the two hoops keep the state of buckling the vertical rod under the limitation of the inserting plate and are fixed with the vertical rod, and meanwhile, the inserting plate adopts an inclined form, so that the possibility of falling off of the inserting plate is reduced.

Optionally, the second through grooves are uniformly distributed along the height direction of the vertical rod.

Through adopting above-mentioned technical scheme, a plurality of logical grooves have corresponded the not co-altitude of clamp, have increased the second and have pushed up and hold in the palm adjustable range.

Optionally, the draw-in groove has been seted up to the picture peg bottom surface, it has the fixture block to peg graft in the draw-in groove, the waist type groove that the draw-in groove paralleled is seted up to the fixture block lateral wall, picture peg lateral wall threaded connection has stop screw, stop screw tip inserts waist type inslot, works as when the picture peg passes two first logical grooves, the fixture block part stretches out outside the draw-in groove and contradicts with the clamp.

Through adopting above-mentioned technical scheme, the fixture block has restricted the back of picture peg and has moved for the picture peg keeps the state of pegging graft with first logical groove and second logical groove, has improved the steadiness of clamp connection.

Optionally, be equipped with two-way screw rod between pole setting and the down tube, the equal threaded connection in both ends of two-way screw rod has the sleeve, two the sleeve tip all is equipped with the pothook, two the pothook is hooked respectively on pole setting and down tube, two equal threaded connection has the nut on the sleeve, two the nut supports tightly with pole setting and down tube respectively.

By adopting the technical scheme, an operator firstly enables the two clamping hooks to respectively correspond to the vertical rod and the inclined rod, then twists the bidirectional screw rod to drive the two clamping hooks to be close to each other until the clamping hooks hook the vertical rod and the inclined rod, and then twists the nut to respectively abut against the vertical rod and the inclined rod, so that the vertical rod, the inclined rod and the bidirectional screw rod can be fixed to form a triangle, and the connection strength between the inclined rod and the vertical rod is increased.

Optionally, each the pole setting bottom all overlaps and is equipped with a support section of thick bamboo, each of homonymy support a section of thick bamboo below and support there is the backing plate, a plurality of corresponding regulation holes have all been seted up on a support section of thick bamboo and the pole setting, it has the locating pin to peg graft in the regulation hole.

Through adopting above-mentioned technical scheme, the operator can move the pole setting and adjust its and support the relative position between a section of thick bamboo to change the whole height of support, insert the locating pin in the regulation hole of mutual coincidence after the regulation, simple and convenient has further increased bearing structure's application scope.

Optionally, the supporting cylinders corresponding to each vertical frame are connected at a position close to the base plate through a cross brace, and each cross brace corresponds to a jack.

By adopting the technical scheme, an operator jacks up the shear supports through the jacks, so that the support integrally moves upwards, the matched cushion blocks are placed below the supporting cylinders after the template reaches the designated position, and the adjustable mode of the support is increased.

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

1. an operator can screw the first adjusting cylinder to adjust the overall height of the upright stanchion, so that the template is effectively abutted against the top plate, the adjustment is convenient, and the application range of the supporting structure is enlarged;

2. the inclined rod is used as the support of the second jacking, so that the number of upright rods required when the vertical frame is used as the support is reduced, resources can be saved on one hand, and on the other hand, the field assembly is facilitated; the first adjusting cylinder, the supporting cylinder and the jack realize a diversified adjusting mode of the height of the support.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying the diagonal rod in the embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying the connecting member according to the embodiment of the present application.

Fig. 4 is an enlarged view of a in fig. 3.

Fig. 5 is an enlarged view of fig. 3 at B.

Fig. 6 is a schematic structural diagram for embodying a limit screw and a waist-shaped groove in the embodiment of the present application.

Fig. 7 is a schematic structural diagram for embodying a bidirectional screw according to an embodiment of the present application.

Description of reference numerals: 1. a support; 11. erecting a rod; 12. a first adjustment barrel; 121. a first jacking; 13. crossties; 14. a keel; 15. a template; 16. a support cylinder; 17. an adjustment hole; 171. positioning pins; 18. a base plate; 19. a scissor support; 2. reinforcing the rod piece; 21. a cross bar; 22. a disc; 23. a bolt; 24. a pin hole; 25. a limiting sleeve; 3. a diagonal bar; 31. a stud; 32. a second adjustment barrel; 321. a second jacking; 4. a connecting member; 41. clamping a hoop; 411. a first through groove; 42. inserting plates; 43. a second through groove; 44. a card slot; 45. a clamping block; 46. a waist-shaped groove; 47. a limit screw; 5. a bidirectional screw; 51. a sleeve; 52. a hook; 53. a nut; 6. a jack.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a supporting structure of a post-cast strip of a top plate of an underground chamber. As shown in fig. 1 and 2, the basement roof post-cast strip supporting structure comprises a support 1 and a template 15, the support 1 is provided with a plurality of supports and is arranged at intervals along the length direction of the post-cast strip, each support 1 comprises four upright posts 11 arranged along a rectangle, the four upright posts 11 are divided into two groups and are symmetrically distributed on two sides along the length direction of the post-cast strip, therefore, the upright posts 11 corresponding to each support 1 are divided into two parallel rows, each upright post 11 is fixed through a reinforcing rod member 2, so that the four upright posts 11 are fixed together, the upper end of each upright post 11 is in threaded connection with a first adjusting cylinder 12, the top end of the first adjusting cylinder 12 is rotatably connected with a first top support 121, the first top support 121 is in a U shape, and the through direction of the first top support 121 on the horizontal plane is perpendicular to the length direction of the post-cast strip.

Four corresponding 11 lateral walls of pole setting of every support 1 all are fixed with the ascending down tube 3 of slope through connecting piece 4, four 3 symmetric divisions of down tube are two sets ofly, and the array orientation of two sets of down tube 3 parallels with the post-cast strip, the down tube 3 in every group is parallel to each other also simultaneously, the equal vertical double-screw bolt 31 that is equipped with of one end that pole setting 11 was kept away from to each down tube 3, threaded connection has two of coaxial distribution to adjust a section of thick bamboo on the double-screw bolt 31, be equipped with the second on adjusting a section of thick bamboo 32 and push up the support 321, the second pushes up the support 321 and the first structure and the direction homogeneous phase that push up support 121 the same. Sleepers 13 are erected in the first top supports 121 and the second top supports 321 which are opposite to the post-cast strip in each group, a plurality of keels 14 are paved on each sleeper 13, the keels 14 are perpendicular to the sleepers 13, and the formworks 15 are paved on the keels 14.

The lower end of each upright post 11 is sleeved with a supporting cylinder 16, and an operator can move the upright posts 11 to adjust the overall height of the support 1, so that the requirements of basements with different heights are met; the upright rod 11 and the supporting cylinder 16 are respectively provided with a plurality of adjusting holes 17 which are arranged in the height direction, the supporting cylinder 16 is inserted with a positioning pin 171 in the adjusting holes 17, and the positioning pin 171 penetrates through the adjusting holes 17 on the upright rod 11 to limit the relative displacement of the upright rod 11 and the supporting cylinder 16. Four supporting cylinders 16 corresponding to each bracket 1 are connected at the position close to the lower end through a scissor brace 19 so as to increase the stability among the supporting cylinders 16, two rows of base plates 18 parallel to the post-cast strip are paved on the ground, and the two rows of supporting cylinders 16 are respectively supported on the two rows of base plates 18. Jacks 6 corresponding to the scissor supports 19 one by one are arranged on the ground.

As shown in fig. 3 and 4, a plurality of reinforcing members are arranged along the height direction of the upright rods 11, each reinforcing member 2 comprises a cross rod 21 and a disc 22, each disc 22 is vertically arranged on each upright rod 11, each disc 22 is provided with four pin holes 24 in a circumferential array, an included angle between every two adjacent pin holes 24 is 90 degrees, each circumferential wall of each disc 22 is provided with a limiting surface corresponding to each pin hole 24, and each limiting surface is a plane; the cross rods 21 are four and are distributed between each group of two adjacent upright rods 11, the cross rods 21 are higher than the circular discs 22, the four cross rods 21 enclose a rectangle, the two ends of each cross rod 21 are respectively and vertically provided with a bolt 23, and the cross rods 21 are in threaded connection with limiting sleeves 25 which are in one-to-one correspondence with the two bolts 23. An operator inserts the bolts 23 at the two ends of the cross rod 21 into the corresponding pin holes 24 on the disc 22, and then twists the limiting sleeve 25 to abut against the limiting plane, so that the cross rod 21 and the vertical rod 11 can be fixed, and the operation is simple and convenient.

As shown in fig. 3 and 5, the connecting member 4 includes a plug board 42 and two clamps 41 hinged to each other, an arc line enclosed by the two clamps 41 is a major arc, a first through groove 411 is formed in side walls of the two clamps 41, the diagonal rod 3 is fixed on one of the clamps 41, a plurality of second through grooves 43 arranged along a height direction of the vertical rod 11 are formed in the vertical rod 11, and the first through groove 411 and the second through groove 43 are both inclined and arranged downward. During installation, an operator selects the second through groove 43 at a proper position, then the two hoops 41 hold the vertical rod 11, the second through groove 43 corresponds to the two first through grooves 411, and then the inserting plate 42 obliquely penetrates out of the first through groove 411 and the second through groove 43, so that the two hoops 41 are limited to be away from each other on one hand, and the hoops 41 and the vertical rod 11 are fixed on the other hand.

As shown in fig. 6, the insertion plate 42 is T-shaped, the bottom surface of the insertion plate 42 is vertically provided with a slot 44, a fixture block 45 is inserted into the slot 44, the side wall of the fixture block 45 is provided with a kidney-shaped slot 46 parallel to the slot 44, the side wall of the insertion plate 42 is in threaded connection with a limit screw 47 opposite to the slot 44, the end of the limit screw 47 vertically penetrates into the slot 44 and is inserted into the kidney-shaped slot 46, and when the fixture block 45 moves, the end of the limit screw 47 relatively moves in the kidney-shaped slot 46, so that the movable formation of the fixture block 45 is limited. When the inserting plate 42 obliquely passes through the first through groove 411 and the second through groove 43 downwards, the clamping groove 44 is positioned at the side, away from the vertical rod 11, of the hoop 41 close to the clamping groove 44, an operator unscrews the limiting screw 47, and the clamping block 45 partially moves out of the clamping groove 44 under the action of gravity and abuts against the hoop 41, so that the possibility that the inserting plate 42 falls off from the first through groove 411 is reduced.

As shown in fig. 7, a bidirectional screw 5 is arranged between the vertical rod 11 and the diagonal rod 3, two ends of the bidirectional screw 5 are respectively connected with a sleeve 51 in a threaded manner, one end of each of the two sleeves 51, which is far away from the bidirectional screw 5, is provided with a hook 52, each hook 52 is a right-angle hook, one hook 52 is buckled with the vertical rod 11, the other hook 52 is buckled with the diagonal rod 3, two sleeves 51 are respectively connected with a nut 53 in a threaded manner, the two nuts 53 are respectively abutted against the vertical rod 11 and the diagonal rod 3, at the moment, the bidirectional screw 5, the vertical rod 11 and the diagonal rod 3 form a triangular structure, and the connection strength between the diagonal rod 3 and the vertical rod 11 is enhanced. During installation, an operator firstly enables the two hooks 52 to correspond to the vertical rod 11 and the inclined rod 3 respectively, then twists the two-way screw 5 to drive the two sleeves 51 to approach each other until the two hooks 52 hook the vertical rod 11 and the inclined rod 3 respectively, and then twists the two nuts 53 to enable the two nuts 53 to be tightly abutted to the vertical rod 11 and the inclined rod 3 respectively, so that the two-way screw 5 can be fixed with the vertical rod 11 and the inclined rod 3.

The implementation principle of the embodiment of the application is as follows: during construction, an operator firstly lays the base plate 18 and the assembling bracket 1, the direction of each first jacking 121 is adjusted, then the inclined rod 3 and the two-way screw 5 are installed, the direction of each second jacking 321 is adjusted, the supporting barrel 16 is supported on the base plate 18, the relative positions of the vertical rod 11 and the supporting barrel 16 are adjusted according to the height of the basement and fixed, the sleepers 13, the keels 14 and the templates 15 are sequentially laid, and finally the operator twists the first adjusting barrel 12 and the second adjusting barrel 32 to enable the first jacking 121 and the second jacking 321 to tightly abut against the sleepers 13 and the templates 15, so that the tightness between the templates 15 and the base plate is ensured, and the adjusting range is wide.

When the basement is high, an operator can support the cross braces 19 through the jacks 6, the number and the positions of the jacks 6 are distributed according to the size and the gravity center of the supports 1, so that the supports 1 move upwards integrally to drive the template 15 to be tightly abutted against the top plate, appropriate cushion blocks are placed between the supporting cylinders 16 and the base plate 18, the jacks 6 are withdrawn, high-altitude operation is reduced, and convenience and flexibility are achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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

1. The utility model provides an underground chamber roof post-cast strip bearing structure which characterized in that: the post-cast strip forming device comprises a support (1) and a template (15), wherein the support (1) is provided with a plurality of upright posts (11) which are arranged along the length direction of a post-cast strip, the support (1) comprises a plurality of upright posts (11), the upright posts (11) are divided into two groups along the length direction of the post-cast strip, each upright post (11) is fixed through a reinforcing rod piece (2), each upright post (11) is in threaded connection with a first adjusting cylinder (12), the top end of the first adjusting cylinder (12) is rotatably connected with a first top support (121), sleepers (13) are erected on the two first top supports (121) opposite to the post-cast strip, a plurality of keels (14) are arranged on each sleeper (13), and the template (15) is laid on the keels (14);

inclined rods (3) which incline upwards are fixed on the side walls of the vertical rods (11) through connecting pieces (4), the inclined rods (3) are symmetrically distributed about a post-pouring belt, one ends, far away from the vertical rods (11), of the inclined rods (3) are vertically provided with studs (31), the studs (31) are in threaded connection with second adjusting cylinders (32), and second jacking supports (321) are arranged on the second adjusting cylinders (32);

the connecting piece (4) comprises two hoops (41) and an inserting plate (42), the hoops (41) are hinged with each other, the inclined rod (3) is fixed on the side wall of one hoop (41), the two hoops (41) buckle the vertical rod (11), the two hoops (41) are respectively provided with a first through groove (411), the vertical rod (11) is provided with a second through groove (43) which penetrates through the vertical rod, and the inserting plate (42) obliquely penetrates through the first through groove (411) and the second through groove (43);

the bottom surface of the inserting plate (42) is provided with a clamping groove (44), a clamping block (45) is inserted in the clamping groove (44), the side wall of the clamping block (45) is provided with a waist-shaped groove (46) parallel to the clamping groove (44), the side wall of the inserting plate (42) is in threaded connection with a limiting screw (47), the end part of the limiting screw (47) is inserted into the waist-shaped groove (46), and when the inserting plate (42) penetrates through the two first through grooves (411), part of the clamping block (45) extends out of the clamping groove (44) and is abutted against the hoop (41);

the second through grooves (43) are uniformly distributed along the height direction of the vertical rod (11).

2. A basement roof post-cast strip support structure according to claim 1, wherein: consolidate member (2) and include horizontal pole (21) and disc (22), disc (22) set up on each pole setting (11), the both ends of horizontal pole (21) all are equipped with bolt (23), offer on disc (22) and supply bolt (23) male pinhole (24), threaded connection has stop collar (25) that correspond with two bolt (23) on horizontal pole (21), stop collar (25) support tightly with disc (22).

3. A basement roof post-cast strip support structure according to claim 2, wherein: the side wall of the disc (22) is provided with a limiting surface matched with the end surface of the limiting sleeve (25).

4. A basement roof post-cast strip support structure according to claim 1, wherein: be equipped with two-way screw rod (5) between pole setting (11) and down tube (3), the equal threaded connection in both ends of two-way screw rod (5) has sleeve (51), two sleeve (51) tip all is equipped with pothook (52), two pothook (52) hook respectively on pole setting (11) and down tube (3), two equal threaded connection has nut (53), two on sleeve (51) nut (53) support tightly with pole setting (11) and down tube (3) respectively.

5. A basement roof post-cast strip support structure according to claim 1, wherein: each pole setting (11) bottom all is equipped with a support section of thick bamboo (16), each of homonymy support section of thick bamboo (16) below and support backing plate (18), a plurality of regulation holes (17) that correspond have all been seted up on a support section of thick bamboo (16) and pole setting (11), it has locating pin (171) to peg graft in regulation hole (17).

6. A basement roof post-cast strip support structure according to claim 5, characterized in that: the supporting cylinders (16) corresponding to each stand are connected at the positions close to the base plates (18) through cross braces (19), and each cross brace (19) corresponds to a jack (6).