CN214993868U

CN214993868U - Layered pouring device for concrete beam of soft soil foundation pit

Info

Publication number: CN214993868U
Application number: CN202121422791.9U
Authority: CN
Inventors: 强宏杰; 李鹏; 古劲松
Original assignee: Zhejiang Dejie Construction Engineering Co ltd
Current assignee: Zhejiang Dejie Construction Engineering Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-03
Anticipated expiration: 2031-06-24

Abstract

The application relates to a soft soil foundation pit concrete beam layered pouring device, which comprises two length templates which are parallel and have intervals, wherein the length templates are abutted against the bottom surface of a foundation pit, two ends of each length template are respectively abutted against the close vertical side surfaces of two concrete columns, two layered templates are arranged between the two length templates, the lower surface of each layered template is higher than the lower surface of each length template, the intervals are arranged between the two layered templates, the intervals are arranged between the layered templates and the length templates, two ends of each layered template are respectively abutted against the close vertical side surfaces of the two concrete columns, each length template is provided with a layered template displacement limiting mechanism for limiting the layered templates to move randomly and a length template displacement limiting mechanism for limiting the length templates to move randomly, the device is provided with a stand column which can be poured between the two layered templates firstly, and then a space between each layered template and the close length template is poured, the effect of reducing the possibility of quality problems occurring during the casting of large-volume concrete beams.

Description

Layered pouring device for concrete beam of soft soil foundation pit

Technical Field

The application relates to the field of concrete beam pouring, in particular to a device is pour in soft soil foundation pit concrete beam layering.

Background

When the building bottom foundation is constructed, a foundation pit can be excavated firstly, then a plurality of concrete columns deep below the bottom surface of the foundation pit can be arranged on the surface of a soil layer in the foundation pit, and when the foundation is soft soil, a ground beam needs to be poured between the concrete columns in order to improve the anti-settling performance of the bottom of the whole building, so that the bottom foundation of the building is not prone to settling.

At some great buildings now, the grade beam volume in its bottom basis is also great, and corresponding cross-sectional area is great for when grade beam integrated into one piece was pour, the inside heat of concrete can not in time distribute, makes the concrete crack appear easily, need use new technology for this reason and carries out pouring of concrete beam, with the quality that promotes concrete beam.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the mass problem of the ground beam is easy to occur when the large-volume ground beam is integrally cast.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that mass ground beam appears the quality problem after pouring, this application provides a device is pour to soft soil foundation ditch concrete beam layering.

The application provides a device is pour in soft soil foundation ditch concrete beam layering adopts following technical scheme:

the utility model provides a device is pour to weak soil foundation ditch concrete beam layering, including parallel and two length templates that have the interval, length template butt in foundation ditch bottom surface, length template both ends respectively the butt in the close vertical side of two concrete columns, install two layering templates between two length templates, layering template lower surface height is higher than length template lower surface height, there is the interval between two layering templates, there is the interval between layering template and the length template, layering template both ends respectively the butt in the close vertical side of two concrete columns, length template is equipped with the layering template limit that restriction layering template moved at will and moves the mechanism with the length template limit that restriction length template moved at will.

Through adopting above-mentioned technical scheme, pour the concrete between layering template lower surface and the foundation ditch bottom surface earlier, treat that the concrete reaches certain intensity after, carry out the concrete placement between two layering templates, carry out the concrete placement of two layering templates mutually opposite one side at last again for originally the integrated into one piece's big cross-section grade beam falls into the triplex and pours, makes the hydration heat of concrete discharge that can be more timely, reduces the possibility that quality problems such as crack appear in the grade beam.

Optionally, the length template movement limiting mechanism includes an inclined strut arranged on one side of the length template away from the layered template, a bottom plate arranged at one end of the inclined strut far away from the length template, a movement limiting rod penetrating through the bottom plate and inserted into the bottom surface of the foundation pit, and a rod upper end block arranged at the upper end of the movement limiting rod and capable of abutting against the upper surface of the bottom plate.

Through adopting above-mentioned technical scheme, will limit the corresponding bottom surface of pole and knock into for the bottom plate is difficult to remove, plays limiting displacement to the length template, makes the difficult change that appears again after the position of length template is confirmed, makes the ground beam of pouring shaping be close to predetermined size as far as possible.

Optionally, two the lamination template looks back of the body side all is equipped with flush flat board, flushes the board lower surface and flushes in the lower surface of lamination template, flushes the board upper surface and runs through and has seted up out the thick liquid hole.

Through adopting above-mentioned technical scheme for when carrying out layering template underhead portion and pouring, when concrete slurry enters into to go out the thick liquid hole, can stop the grout, so that the workman is the progress of accuse grout, the going on of the work of being convenient for to grout.

Optionally, the layered template movement limiting mechanism comprises a width screw rotatably connected to the length template, a turntable coaxially and fixedly connected to the width screw and far away from one end of the length template, a screw block in threaded connection with the width screw and far away from the length template, a guide rod penetrating through the screw block along the length direction of the width screw, and a connecting rod arranged on the screw block and connected to the layered template.

Through adopting above-mentioned technical scheme, rotate the carousel, interval between adjustable screw piece and the length template for the connecting rod removes in step, makes the interval between layering template and the length template obtain the adjustment, makes the interval between two layering templates obtain the adjustment, reaches when restriction layering template removes at will, can also carry out the adjustment of layering template according to the grade beam of different widths, and is comparatively convenient and practical.

Optionally, the connecting rod is fixedly connected with a screw block, and the screw block is provided with a fixing screw in threaded connection with the layered template in a penetrating manner.

Through adopting above-mentioned technical scheme for the layering template can be changed, in order to change the layering template of co-altitude not to the grade beam of co-altitude, makes the layering template can better adapt to the grade beam of co-altitude not to a certain extent.

Optionally, the layered template is provided with a positioning groove for inserting the screw block.

Through adopting above-mentioned technical scheme, when installation layering template, correspond the screw piece and insert to the constant head tank in to correspond the screw in with fixed screw, need not adjust the position between screw piece and the layering template, the going on of the installation work of the layering template of being convenient for.

Optionally, the connecting rod includes an insert rod disposed on the screw block, a sleeve sleeved on the insert rod and abutted against the screw block, a middle rod disposed on the sleeve and connected to the screw block, and a lifting lug disposed on the sleeve.

Through adopting above-mentioned technical scheme, correspond the steel strand wires and tie up in the lug, then pulling the sleeve pipe for the king-rod shifts up in the lump, so that the layering template shifts up in the lump, so that concrete placement between two layering templates accomplishes the back, carries out the drawing of patterns with the layering template.

Optionally, the screw piece fixedly connected with stiffener, the stiffener keep away from screw piece one end fixed connection in the king-rod.

Through adopting above-mentioned technical scheme for shift up at the layering template and carry out the deciduate in-process, the junction of screw piece and well pole can bear bigger external force, and the connection between screw piece and the well pole is difficult is destroyed.

In summary, the present application includes at least one of the following benefits:

1. the large-section ground beam which is integrally cast and formed originally is divided into three parts for casting, so that the hydration heat of concrete can be discharged in time, and the possibility of quality problems such as cracks and the like of the ground beam is reduced;

2. the spacing between two layering templates is adjusted, the layering templates can be adjusted according to the ground beams with different widths while the layering templates are limited to move randomly, and the floor beam adjusting device is convenient and practical.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present application;

fig. 2 is an enlarged view at a in fig. 1.

Description of reference numerals: 1. a length template; 11. a movement limiting rod hole; 2. layering the templates; 21. a turntable; 22. a screw block; 23. fixing screws; 24. positioning a groove; 25. inserting a rod; 26. a sleeve; 27. a middle rod; 28. lifting lugs; 29. a reinforcing bar; 3. a diagonal brace; 31. a base plate; 32. a movement limiting rod; 33. an upper rod end block; 34. leveling; 35. a slurry outlet; 36. a width screw; 37. a screw block; 38. a guide bar; 39. a connecting rod.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses device is pour in weak soil foundation ditch concrete beam layering, refer to FIG. 1, including laminating in the foundation ditch bottom surface and being two vertical length template 1, the vertical side of two close concrete columns in the foundation ditch is supported respectively in 1 both ends of length template, and length template 1 installs the length template limit of restriction length template 1 and moves the mechanism at will.

Referring to fig. 1, the length template movement limiting mechanism includes two rows of diagonal braces 3 fixedly connected to two length templates 1 in a one-to-one correspondence respectively, two rows of diagonal braces 3 are located two opposite sides of two length templates 1 respectively, each row of diagonal braces 3 all sets up several along length direction of length template 1, the diagonal brace 3 is kept away from length template 1 one end and is low point one end, 3 low point one end fixedly connected with of diagonal brace is horizontally bottom plate 31, the bottom surface of bottom plate 31 laminates in the bottom surface of foundation ditch, bottom plate 31 upper surface runs through and has been seted up and be vertical limit and move pole hole 11, limit and move pole hole 11 along vertical direction sliding connection limit and move pole 32, limit and move pole 32 bottom and be the point taper shape. The upper end of the movement limiting rod 32 is coaxially and fixedly connected with a horizontal rod upper end block 33, and the lower surface of the rod upper end block 33 can abut against the upper surface of the bottom plate 31, so that the movement limiting rod 32 is difficult to knock into foundation pit soil completely and take out.

Referring to fig. 1, install two layering templates 2 between two length templates 1, 2 length direction of layering templates aligns and is on a parallel with 1 length direction of length template, there is the interval in 2 lower surfaces of layering templates and foundation ditch bottom surface, 2 upper surfaces of layering templates and 1 upper surface of length template flush mutually, and the ground beam steel reinforcement cage of treating pouring of reinforcement looks ligature location in the concrete column is located between two layering templates 2, and two 2 lower surfaces of layering templates highly are less than the lower part height of ground beam steel reinforcement cage. The equal fixedly connected with in the vertical side bottom department that two layering template 2 carried on the back mutually is the horizontally board 34 that flushes, flushes 34 lower surfaces of board and flushes in layering template 2 lower surfaces, flushes 34 upper surfaces of board and runs through and has seted up and be vertical grout outlet 35. When concrete below the layered formwork 2 is poured, concrete grout is injected between the two length formworks 1 until the concrete grout enters the grout outlet 35, and at the moment, the injection of the concrete grout is stopped.

Referring to fig. 1, length template 1 installs the layering template limit of restriction layering template 2 and moves the mechanism at will, and layering template limit moves the mechanism and includes to rotate to be connected in two length templates 1 and be two horizontally width screw rods 36, and two width screw rods 36 one-to-one rotate respectively to be connected in two length templates 1 vertical side that carry on the back of the body mutually, and the length direction perpendicular to length template 1's length direction of width screw rods 36 vertical side that is located, two equal threaded connection of width screw rods 36 have a screw rod piece 37. Equal fixedly connected with guide bar 38 in vertical side of two length templates mutually back of the body, guide bar 38 length direction aligns and is on a parallel with 36 length direction of width screw, and two guide bars 38 wear to establish respectively and sliding connection in two screw blocks 37 along self length direction one-to-one, and width screw 36 deviates from the coaxial fixedly connected with carousel 21 of one end of length template 1. The horizontal upper surfaces of the two screw blocks 37 are provided with connecting rods 39.

Referring to fig. 1 and 2, connecting rod 39 includes fixed connection in screw block 37 upper surface and is vertical inserted bar 25, and two inserted bar 25 one-to-one respectively fixed connection in two screw blocks 37, and inserted bar 25 horizontal cross-section is the rectangle, and two vertical outer walls of inserted bar 25 have along the equal sliding connection of vertical direction and be vertical sleeve pipe 26, and sleeve pipe 26 horizontal cross-section is the rectangular frame shape, and sleeve pipe 26 cup joints in inserted bar 25, the vertical outer wall fixedly connected with lug 28 of sleeve pipe 26. The equal fixedly connected with of the vertical outer wall in two sleeve pipes 26 upper ends is horizontally king-rod 27, and king-rod 27 length direction aligns and is on a parallel with 36 length direction of width screw, and the equal fixedly connected with of the close one end of two king-rods 27 is horizontally screw piece 22, and the equal fixedly connected with of two stiffeners 29 of each screw piece 22 upper surface, the equal fixed connection in the close king-rod 27 of the close one end of two stiffeners 29 of same screw piece 22. Vertical positioning grooves 24 are formed in the upper surfaces of the two layered templates 2, and the two screw blocks 22 are respectively and tightly inserted into the two positioning grooves 24 in the vertical direction. The upper surface of screw block 22 evenly wears to be equipped with the several along vertical direction and is vertical fixed screw 23, and fixed screw 23 bottom threaded connection is in the horizontal inner wall of bottom of constant head tank 24.

The implementation principle of the layered pouring device for the concrete beam of the soft soil foundation pit is as follows: firstly, concrete grout is injected between the two length formworks 1, until the concrete grout enters the grout outlet 35, grouting is stopped, after the first layer of concrete reaches certain strength, grouting is performed between the two layered formworks 2 until the grout is close to the upper surfaces of the layered formworks 2, grouting is stopped, after the second layer of concrete reaches certain strength, steel strands are bound in the lifting lugs 28, then the layered formworks 2 are pulled to move upwards in the vertical direction through manpower or a winch, the layered formworks 2 are demoulded, then grouting is performed in the residual space between the two length formworks 1, and the third layer of concrete pouring is completed.

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 a device is pour in weak soil foundation ditch concrete beam layering which characterized in that: including parallel and having two length template (1) of interval, length template (1) butt in foundation ditch bottom surface, length template (1) both ends butt respectively in the close vertical side of two concrete columns, install two layering template (2) between two length template (1), layering template (2) lower surface height is higher than length template (1) lower surface height, there is the interval between two layering template (2), there is the interval between layering template (2) and length template (1), layering template (2) both ends butt respectively in the close vertical side of two concrete columns, length template (1) are equipped with the layering template limit that restriction layering template (2) moved at will and move the mechanism with the length template limit that restriction length template (1) moved at will.

2. The layered pouring device for the concrete beam of the soft soil foundation pit according to claim 1, is characterized in that: the length template limiting and moving mechanism comprises an inclined stay bar (3) arranged on one side of the length template (1) departing from the layered template (2), a bottom plate (31) arranged at one end of the inclined stay bar (3) far away from the length template (1), a limiting and moving rod (32) penetrating through the bottom plate (31) and inserted into the bottom surface of the foundation pit, and a rod upper end block (33) arranged at the upper end of the limiting and moving rod (32) and capable of abutting against the upper surface of the bottom plate (31).

3. The layered pouring device for the concrete beam of the soft soil foundation pit according to claim 1, is characterized in that: the side surfaces of the two layered templates (2) opposite to each other are provided with leveling plates (34), the lower surfaces of the leveling plates (34) are leveled with the lower surfaces of the layered templates (2), and the upper surfaces of the leveling plates (34) are provided with grout outlet holes (35) in a penetrating mode.

4. The layered pouring device for the concrete beam of the soft soil foundation pit according to claim 1, is characterized in that: the layered template limiting and moving mechanism comprises a width screw (36) rotatably connected to the length template (1), a turntable (21) coaxially and fixedly connected to the width screw (36) and far away from one end of the length template (1), a screw block (37) in threaded connection with the width screw (36) and far away from the length template (1), a guide rod (38) penetrating through the screw block (37) along the length direction of the width screw (36), and a connecting rod (39) arranged on the screw block (37) and connected to the layered template (2).

5. The layered pouring device for the concrete beam of the soft soil foundation pit according to claim 4, is characterized in that: the connecting rod (39) is fixedly connected with a screw block (22), and the screw block (22) is provided with a fixing screw (23) in threaded connection with the layered template (2) in a penetrating way.

6. The layered pouring device for the concrete beam of the soft soil foundation pit according to claim 5, is characterized in that: the layered template (2) is provided with a positioning groove (24) for the insertion of the screw block (22).

7. The layered pouring device for the concrete beam of the soft soil foundation pit according to claim 4, is characterized in that: the connecting rod (39) comprises an insert rod (25) arranged on the screw block (37), a sleeve (26) sleeved on the insert rod (25) and abutted to the screw block (37), a middle rod (27) arranged on the sleeve (26) and connected to the screw block (22), and a lifting lug (28) arranged on the sleeve (26).

8. The layered pouring device for the concrete beam of the soft soil foundation pit according to claim 7, is characterized in that: the screw block (22) is fixedly connected with a reinforcing rod (29), and one end, far away from the screw block (22), of the reinforcing rod (29) is fixedly connected to the middle rod (27).