CN114775641A

CN114775641A - Prefabricated ribbed cavity wallboard

Info

Publication number: CN114775641A
Application number: CN202210600836.XA
Authority: CN
Inventors: 颜景凯; 颜成文; 颜井意; 赵云峰; 祖宏帅
Original assignee: Nanjing Xupu Building Materials Technology Co ltd
Current assignee: Nanjing Xupu Building Materials Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-07-22
Anticipated expiration: 2042-05-30
Also published as: CN114775641B

Abstract

The application relates to a prefabricated ribbed cavity wallboard, which belongs to the technical field of foundation pit wallboards and comprises a wall body, wherein a cavity is formed in the wall body, a vacuum pump is fixed at the top of the wall body, and a plurality of water collecting pipes are fixed on the surface of the wall body; an expansion type water stop strip is fixed in the pipe wall of the water collecting pipe; the water collecting pipe is provided with a first switch moving piece in a sliding manner along the axial direction of the water collecting pipe; the first switch moving sheet is fixedly connected with the expansion type water stop strip; a first switch fixed sheet which can be electrically contacted with the first switch movable sheet is fixed in the water collecting pipe; the first switch moving plate is electrically connected with the vacuum pump; the first switch stator can be electrically connected with the storage battery. This application has the effect of reacting to the ponding in the foundation ditch.

Description

Prefabricated ribbed cavity wallboard

Technical Field

The utility model relates to a field of foundation ditch wallboard especially relates to a prefabricated ribbed cavity wallboard.

Background

At present, when a foundation pit is excavated, a soil aquifer is cut off, and underground water can continuously infiltrate into the foundation pit to cause quicksand and side slope instability or reduce the bearing capacity of the foundation.

In the related technology, reference can be made to the patent of chinese invention with publication number CN107794931B, which discloses a supporting structure for a foundation pit, comprising a supporting plate with a cavity, the upper side of the supporting plate is communicated with a vacuum pump, the side surface of the supporting plate is provided with a supporting pipe inserted into soil, the supporting pipe is communicated with the cavity, and the pipe wall of the supporting pipe is provided with water suction holes. The supporting plate is used for supporting the side wall of the foundation pit, the supporting structure is reinforced through the supporting pipe, after the supporting pipe is inserted into soil, air is pumped through the vacuum pump, water in the soil flows into the supporting pipe under negative pressure, the water in the supporting pipe enters a cavity of the supporting plate, the pressure of the soil on the supporting plate is reduced, and the side wall of the foundation pit is not easy to collapse.

With respect to the related art among the above, the inventors consider that there are the following drawbacks: the wall plate arranged in the foundation pit has a water collecting function, but the wall plate does not have the capacity of judging whether accumulated water exists in the foundation pit soil, so that the vacuum pump is always opened to prevent the accumulated water in the soil from permeating into the foundation pit; the vacuum pump is always on, which results in a large energy consumption.

Disclosure of Invention

In order to improve and whether to have the problem of ponding in can't judging foundation ditch soil, this application provides a prefabricated ribbed cavity wallboard.

The application provides a prefabricated ribbed cavity wallboard adopts following technical scheme:

a prefabricated ribbed cavity wall board comprises a wall body, wherein a cavity is formed in the wall body, a vacuum pump is fixed to the top of the wall body, and a plurality of water collecting pipes are fixed to the surface of the wall body; an expansion type water stop strip is fixed in the pipe wall of the water collecting pipe; the water collecting pipe is provided with a first switch moving piece in a sliding manner along the axial direction of the water collecting pipe; the first switch moving sheet is fixedly connected with the expansion type water stop strip; a first switch fixed sheet which can be electrically contacted with the first switch moving sheet is fixed in the water collecting pipe; the first switch moving piece is electrically connected with the vacuum pump; the first switch stator can be electrically connected with the storage battery.

By adopting the technical scheme, after the expansion type water stop strip is contacted with accumulated water in soil, the expansion type water stop strip absorbs water and gradually increases the volume of the expansion type water stop strip, the expansion type water stop strip pushes the switch moving piece to move in the volume increasing process, and the switch moving piece is electrically contacted with the switch fixed piece, so that the vacuum pump is conducted with the storage battery, and after the vacuum pump works, pressure difference is generated inside and outside the wall body, so that the accumulated water near the water collecting pipe is collected.

Optionally, a water outlet is formed in the bottom of the wall body; a water outlet valve communicated with the water outlet is fixed on one side of the wall body, which is far away from the water collecting pipe, and a water outlet pipe is fixed on one side of the water outlet valve, which is far away from the wall body; the water outlet valve comprises a water outlet ring fixedly connected with the side wall of the wall body and a valve plate rotatably arranged in the water outlet ring.

By adopting the technical scheme, accumulated water in the wall body is gradually increased and then needs to be discharged through the water outlet pipe. The water outlet pipe needs to be provided with a valve, so that the pressure difference can be rapidly formed inside and outside the wall body after the vacuum pump works.

Optionally, the valve plate comprises a valve plate and an axle tube which penetrates through and is fixed in the valve plate along the radial direction of the valve plate; the top end and the bottom end of the shaft tube respectively penetrate through the water outlet ring and are rotationally connected with the water outlet ring; a connecting shaft is vertically movably arranged in the shaft tube; an electromagnet is fixed on the outer wall of the wall body, and a magnetic attraction sheet capable of attracting the electromagnet is fixed at the top end of the connecting shaft; and a rotating assembly used for driving the shaft tube to rotate is arranged between the connecting shaft and the shaft tube.

Through adopting above-mentioned technical scheme, the electro-magnet is in the back of the work, and the electro-magnet is inhaled the piece through adsorbing and is removed the connecting axle, and the connecting axle accessible rotating assembly drives the connecting axle and rotates at the removal in-process to make the valve plate rotate.

Optionally, a second spring is fixed at the bottom of the magnetic attraction piece, and the bottom end of the second spring is fixedly connected with the top of the outer peripheral surface of the water outlet pipe.

Through adopting above-mentioned technical scheme, lose magnetism after the electro-magnet outage, two drive magnetism suction disc of spring reset to drive the connecting axle and remove, and drive valve plate resets.

Optionally, the rotating assembly comprises a plurality of spiral protrusions fixed on the periphery of the connecting shaft and a plurality of spiral grooves formed in the inner circumferential surface of the shaft tube, and the spiral protrusions are meshed with the shaft tube through the spiral grooves.

Through adopting above-mentioned technical scheme, the connecting axle removes the in-process, and accessible heliciform arch supports presses the heliciform recess to exert turning moment to the connecting axle, the drive connecting axle rotates, thereby accomplishes the rotation of valve plate.

Optionally, a coaming is fixed in the wall body; the side wall of the enclosing plate is connected with a floating plate in a vertical sliding manner; the wall body is connected with a butt joint plate in a sliding mode along the width direction of the wall body; the opposite inner sides of the abutting plate and the floating plate are respectively provided with an inclined plane; a second switch moving sheet is fixed at the bottom of the abutting plate; the second switch moving plate is electrically connected with the storage battery; a second switch stator and a third switch stator which can be electrically contacted with the second switch rotor are fixed in the wall; the second switch stator is electrically connected with the first switch rotor; the electromagnet is electrically connected with the second switch moving piece.

By adopting the technical scheme, a communicating vessel is formed between the square cavity enclosed by the enclosing plates and the cavity, when the liquid level in the cavity rises, the floating plate in the square cavity rises gradually along with the liquid level and is in contact with the abutting plate so as to push the abutting plate to move, and in the moving process of the abutting plate, the switch moving piece II is disconnected with the switch fixed piece II and is in electrical contact with the switch fixed piece III, so that the electromagnet is switched on with a power supply; the electromagnet is electrified to adsorb the magnetic attraction piece.

Optionally, a dovetail block is fixed to one side, away from the abutting plate, of the floating plate, a dovetail groove is formed in the inner wall, away from one side of the abutting plate, of the enclosing plate, and the dovetail block is connected with the wall body in a sliding mode along the vertical direction through the dovetail groove.

Through adopting above-mentioned technical scheme, the dovetail provides the guide effect for the forked tail piece, reduces the kickboard along the vertical deviation orbital possibility of removal in-process to make the kickboard can contact with the butt plate.

Optionally, a chute is formed in the inner wall of the wall body; the wall body is connected with the abutting plate in a sliding mode through the sliding groove; one side, far away from the floating plate, of the abutting plate is fixedly provided with a first spring, one end, far away from the abutting plate, of the first spring is fixedly connected with the inner wall, far away from the floating plate, of the sliding groove.

Through adopting above-mentioned technical scheme, spring one is exerted for the butt plate to the elasticity that is close to kickboard one side, and the kickboard of being convenient for is along with the liquid level decline back, and spring one can drive the butt plate and reset.

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

1. when the expansion type water stop strip is contacted with accumulated water in soil, the expansion type water stop strip absorbs water and gradually increases the volume of the expansion type water stop strip, the switch moving piece is pushed to move in the process of increasing the volume of the expansion type water stop strip, and the switch moving piece is electrically contacted with the switch fixed piece, so that the vacuum pump is conducted with the storage battery, and after the vacuum pump works, the pressure difference is generated inside and outside the wall body, so that the accumulated water near the water collecting pipe is collected;

2. after the electromagnet works, the electromagnet moves the connecting shaft through the magnetic adsorption piece, and the connecting shaft can drive the connecting shaft to rotate through the rotating assembly in the moving process, so that the valve plate rotates;

3. a communicating vessel is formed between the square cavity enclosed by the enclosing plates and the cavity, when the liquid level in the cavity rises, the floating plate in the square cavity rises gradually along with the liquid level and is in contact with the abutting plate so as to push the abutting plate to move, and in the moving process of the abutting plate, the second switch moving piece is disconnected with the second switch fixed piece and is in electrical contact with the third switch fixed piece, so that the electromagnet is switched on with a power supply; the electromagnet is electrified to adsorb the magnetic attraction piece.

Drawings

Fig. 1 is a schematic structural diagram of a wall according to an embodiment of the present application.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a sectional view of a header pipe according to an embodiment of the present application.

Fig. 4 is an enlarged schematic view at B in fig. 2.

Fig. 5 is a schematic structural diagram of a wall according to an embodiment of the present application.

Fig. 6 is an enlarged schematic view at C in fig. 5.

Reference numerals are as follows: 1. a wall body; 11. a vacuum pump; 12. a water collecting pipe group; 13. a butt joint plate; 2. a water collection pipe; 21. an annular groove; 22. an expansion type water stop bar; 23. a first switch moving plate; 24. a first switch stator; 3. enclosing plates; 31. a floating plate; 32. a square chamber; 33. a water inlet; 34. a chute; 35. a bevel; 36. a first spring; 4. a water outlet valve; 41. a second switch moving plate; 42. a second switch stator; 43. a switch stator III; 44. a water outlet; 45. a water outlet pipe; 5. a valve plate; 51. a water outlet ring; 52. a valve plate; 53. an axle tube; 54. a connecting shaft; 55. a helical protrusion; 56. a helical groove; 6. an electromagnet; 61. a magnetic attraction sheet; 62. and a second spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses prefabricated ribbed cavity wallboard. Referring to fig. 1 and 2, a prefabricated ribbed cavity wall panel includes a wall 1, a vacuum pump 11 fixed on the top of the wall 1, and a plurality of water collecting pipes 2 uniformly distributed on the surface of the wall 1; a cavity is arranged in the wall body 1. The water collecting pipe 2 is inserted in the soil; the wall body 1 is a hollow wall body 1, and the water collecting pipe 2 is communicated with a cavity in the wall body 1. In this embodiment, two water collecting pipe groups 12 are distributed on the surface of the wall body 1; each set of water collection tube 12 comprises four water collection tubes 2 arranged vertically.

When water seepage occurs underground, starting a vacuum pump 11 at the top of the wall body 1, and reducing the air pressure in the cavity by the vacuum pump 11 through pumping the air in the wall body 1 so as to generate pressure difference between the cavity and the soil; the accumulated water in the soil is sucked into the cavity of the wall body 1 under the action of the pressure difference.

Referring to fig. 2 and 3, an annular groove 21 is formed in the end surface of the water collecting pipe 2 along the circumferential direction of the water collecting pipe, and an expansion type water stop 22 is fixed to the water collecting pipe 2 through the annular groove 21. The water collecting pipe 2 is provided with a first switch moving sheet 23 in a sliding manner along the axial direction of the water collecting pipe through the annular groove 21; the first switch moving sheet 23 is fixedly connected with the expansion type water stop strip 22. A first switch stator 24 which can be electrically contacted with a first switch rotor 23 is fixed on the inner wall of the annular groove 21 close to one side of the wall body 1; the switch moving plate I23 is electrically connected with the vacuum pump 11.

After the water collecting pipe 2 is contacted with accumulated water, the expansion type water stop strip 22 in the water collecting pipe 2 expands when encountering water, the expansion type water stop strip 22 pushes the first switch moving piece 23 fixedly connected with the expansion type water stop strip to move, and the first switch moving piece 23 is electrically contacted with the first switch fixed piece 24, so that the step of conducting the vacuum pump 11 and a power supply is completed.

Referring to fig. 2 and 4, a coaming 3 is fixed in the wall body 1; the coaming 3 divides a square cavity 32 at the bottom of the wall body 1. The wall body 1 is connected with a floating plate 31 through a square chamber 32 in a sliding mode along the vertical direction. The lateral wall of the coaming 3 is provided with a water inlet 33 communicated with the cavity. The inner wall of the wall body 1 is provided with a chute 34 communicated with the square cavity 32. The wall body 1 is connected with a butt joint plate 13 through a sliding groove 34 in a sliding manner along the width direction of the wall body 1. The abutting plate 13 and the floating plate 31 are respectively provided with an inclined surface 35 on the opposite inner sides. One side of the floating plate 31, which is far away from the abutting plate 13, is fixed with a dovetail block, the inner wall of one side of the square cavity 32, which is far away from the abutting plate 13, is provided with a dovetail groove, and the dovetail block is connected with the wall body 1 in a sliding manner along the vertical direction through the dovetail groove. A first spring 36 is fixed on one side of the abutting plate 13 far away from the floating plate 31, and one end of the first spring 36 far away from the abutting plate 13 is fixedly connected with the inner wall of the sliding groove 34 far away from the floating plate 31.

The square chamber 32 and the cavity constitute a communicating vessel, and when the water level in the cavity rises, the floating plate 31 in the square chamber 32 rises. After the floating plate 31 rises to the top of the square chamber 32, the floating plate 31 contacts the abutting plate 13 and pushes the abutting plate 13 to move.

Referring to fig. 4, a second switch moving plate 41 is fixed at the bottom of the abutting plate 13; the second switch moving plate 41 is electrically connected with the storage battery. A second switch stator 42 and a third switch stator 43 which can be electrically contacted with the second switch rotor 41 are embedded and fixed on the inner bottom surface of the sliding groove 34; the second switch stator 42 is electrically connected with the first switch rotor 23.

When the floating plate 31 is separated from the abutting sheet, the second switch moving sheet 41 is electrically contacted with the second switch fixed sheet 42, and at the moment, after the first switch fixed sheet 24 and the first switch moving sheet 23 are closed, the power supply is conducted with the vacuum pump 11. When the floating plate 31 rises along with the liquid level, the floating plate 31 presses the abutting piece to move, the second switch moving piece 41 is disconnected with the second switch fixed piece 42, and the second switch moving piece 41 is electrically contacted with the third switch fixed piece 43.

Referring to fig. 5 and 6, the bottom of the wall 1 is provided with a water outlet 44. And a water outlet valve 4 communicated with the water outlet 44 is fixed on one side of the wall body 1 away from the water collecting pipe 2, and a water outlet pipe 45 is fixed on one side of the water outlet valve 4 away from the wall body 1. The water outlet valve 4 comprises a water outlet ring 51 fixedly connected with the side wall of the wall body 1 and a valve plate 5 rotatably arranged in the water outlet ring 51. The valve plate 5 includes a valve plate 52 having a circular cross section and a shaft tube 53 fixed to the valve plate 52 in a radial direction of the valve plate 52. The top end and the bottom end of the shaft tube 53 respectively penetrate through the water ring 51 and are rotatably connected with the water outlet ring 51.

Referring to fig. 5 and 6, a coupling shaft 54 is vertically movably provided in the shaft tube 53. A plurality of spiral protrusions 55 are uniformly distributed on the periphery of the connecting shaft 54 along the circumferential direction, a plurality of spiral grooves 56 are uniformly distributed on the inner circumferential surface of the shaft tube 53 along the circumferential direction, and the spiral protrusions 55 are engaged with the shaft tube 53 through the spiral grooves 56.

When the water level in the cavity rises, the water level in the cavity can be reduced by opening the water outlet valve 4. When the connecting shaft 54 moves vertically, the connecting shaft 54 presses against the spiral groove 56 through the spiral protrusion 55, and drives the shaft tube 53 to rotate, and the shaft tube 53 drives the valve plate 52 to rotate, thereby completing the opening and closing of the outlet valve 4.

Referring to fig. 6, an electromagnet 6 is fixed on the outer wall of the wall 1, and the electromagnet 6 is electrically connected with the second switch moving plate 41. A magnetic piece 61 which can be attracted by the electromagnet 6 is fixed on the top end of the connecting shaft 54. The bottom of the magnetic attraction piece 61 is fixed with a second spring 62, the second spring 62 is sleeved on the periphery of the connecting shaft 54, and the bottom end of the second spring 62 is fixedly connected with the top of the peripheral surface of the water outlet pipe 45.

The second switch moving plate 41 is electrically connected with the third switch fixed plate 43, and then the electromagnet 6 is conducted, so that the electromagnet 6 adsorbs the magnetic sheet 61. During the movement of the connecting shaft 54, the valve plate 52 is driven to rotate by the cooperation of the spiral protrusion 55 and the spiral groove 56. The second spring 62 is used for driving the valve plate 52 to reset.

The implementation principle of prefabricated ribbed cavity wallboard of this application embodiment does:

when water is accumulated underground, the water collecting pipe 2 firstly contacts with the accumulated water, the expansion type water stop strip 22 in the water collecting pipe 2 expands when encountering water, the expansion type water stop strip 22 pushes the switch moving piece I23 fixedly connected with the expansion type water stop strip to move, the switch moving piece I23 is electrically contacted with the switch fixed piece I24, and after the vacuum pump 11 is conducted, the air pressure in the cavity is reduced by pumping the air in the wall body 1, so that the pressure difference is generated between the cavity and the soil; the accumulated water in the soil is sucked into the cavity of the wall body 1 under the action of the pressure difference.

When the water level in the cavity rises, the floating plate 31 in the square chamber 32 rises. After the floating plate 31 rises to the top of the square chamber 32, the floating plate 31 contacts the abutting plate 13 and pushes the abutting plate 13 to move, the second switch moving piece 41 is disconnected from the second switch fixed piece 42, and meanwhile, the second switch moving piece 41 is in electrical contact with the third switch fixed piece 43, so that the electromagnet 6 is switched on and the electromagnet 6 adsorbs the magnetic adsorption piece 61. During the movement of the connecting shaft 54, the valve plate 52 is driven to rotate by the cooperation of the spiral protrusion 55 and the spiral groove 56. The second spring 62 is used for driving the valve plate 52 to reset.

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 prefabricated ribbed cavity wallboard, includes wall body (1), seted up cavity, its characterized in that in wall body (1): a vacuum pump (11) is fixed at the top of the wall body (1), and a plurality of water collecting pipes (2) are fixed on the surface of the wall body (1); an expansion type water stop strip (22) is fixed in the pipe wall of the water collecting pipe (2); the water collecting pipe (2) is provided with a first switch moving sheet (23) in a sliding manner along the axial direction of the water collecting pipe; the first switch moving sheet (23) is fixedly connected with the expansion type water stop strip (22); a first switch fixed sheet (24) which can be electrically contacted with the first switch movable sheet (23) is fixed in the water collecting pipe (2); the first switch moving piece (23) is electrically connected with the vacuum pump (11); the first switch stator (24) can be electrically connected with a storage battery.

2. A prefabricated multi-ribbed cavity wall panel according to claim 1, wherein: a water outlet (44) is formed in the bottom of the wall body (1); a water outlet valve (4) communicated with the water outlet (44) is fixed on one side of the wall body (1) far away from the water collecting pipe (2), and a water outlet pipe (45) is fixed on one side of the water outlet valve (4) far away from the wall body (1); the water outlet valve (4) comprises a water outlet ring (51) fixedly connected with the side wall of the wall body (1) and a valve plate (5) rotatably installed in the water outlet ring (51).

3. A prefabricated multi-ribbed cavity wall panel according to claim 2, wherein: the valve plate (5) comprises a valve plate (52) and a shaft tube (53) which radially penetrates through and is fixed in the valve plate (52) along the valve plate (52); the top end and the bottom end of the shaft tube (53) respectively penetrate through the water outlet ring (51) and are rotationally connected with the water outlet ring (51); a connecting shaft (54) is vertically movably arranged in the shaft tube (53); an electromagnet (6) is fixed on the outer wall of the wall body (1), and a magnetic attraction sheet (61) capable of attracting the electromagnet (6) is fixed at the top end of the connecting shaft (54); a rotating assembly used for driving the shaft tube (53) to rotate is arranged between the connecting shaft (54) and the shaft tube (53).

4. A pre-fabricated multi-ribbed cavity wall panel according to claim 3, wherein: and a second spring (62) is fixed at the bottom of the magnetic attraction piece (61), and the bottom end of the second spring (62) is fixedly connected with the top of the peripheral surface of the water outlet pipe (45).

5. A pre-fabricated multi-ribbed cavity wall panel according to claim 3, wherein: the rotating assembly comprises a plurality of spiral protrusions (55) fixed on the periphery of the connecting shaft (54) and a plurality of spiral grooves (56) arranged on the inner peripheral surface of the shaft tube (53), and the spiral protrusions (55) are meshed with the shaft tube (53) through the spiral grooves (56).

6. A pre-fabricated multi-ribbed cavity wall panel according to claim 3, wherein: a coaming (3) is fixed in the wall body (1); the side wall of the coaming (3) is connected with a floating plate (31) in a sliding manner along the vertical direction; the wall body (1) is connected with a butt joint plate (13) in a sliding mode along the width direction of the wall body; the opposite inner sides of the abutting plate (13) and the floating plate (31) are respectively provided with an inclined plane (35); a second switch moving plate (41) is fixed at the bottom of the abutting plate (13); the second switch moving sheet (41) is electrically connected with the storage battery; a second switch stator (42) and a third switch stator (43) which can be electrically contacted with the second switch rotor (41) are fixed in the wall body (1); the second switch stator (42) is electrically connected with the first switch rotor (23); the electromagnet (6) is electrically connected with the second switch moving piece (41).

7. A pre-fabricated multi-ribbed cavity wall panel according to claim 6, wherein: the floating plate (31) is far away from one side of the abutting plate (13) and is fixedly provided with a dovetail block, the coaming (3) is far away from the inner wall of one side of the abutting plate (13) and is provided with a dovetail groove, and the dovetail block is connected with the wall body (1) in a sliding mode along the vertical direction through the dovetail groove.

8. A pre-fabricated multi-ribbed cavity wall panel according to claim 6, wherein: the inner wall of the wall body (1) is provided with a sliding groove (34); the wall body (1) is connected with the abutting plate (13) in a sliding mode through the sliding groove (34); one side, far away from the floating plate (31), of the abutting plate (13) is fixedly provided with a first spring (36), one end, far away from the abutting plate (13), of the first spring (36) is fixedly connected with the inner wall, far away from the floating plate (31), of the sliding groove (34).