CN216075129U

CN216075129U - Deep foundation pit grouting device

Info

Publication number: CN216075129U
Application number: CN202122376323.9U
Authority: CN
Inventors: 黄雪兰; 刘芸; 胡浩
Original assignee: Wuhan Huatai Geotechnical Engineering Co ltd
Current assignee: Wuhan Huatai Geotechnical Engineering Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-18
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a grouting device for a deep foundation pit, which comprises a grouting machine and a grouting pipeline, wherein a cross beam is arranged above the foundation pit, two ends of the cross beam are respectively connected with a support column, and the support columns are movably arranged on the ground; the beam is provided with a movable rolling platform, the rolling platform is provided with a rolling assembly, the rolling assembly is connected with a lifting rope, the lifting rope downwards drops into the foundation pit, the end part of the lifting rope is connected with a compaction plate, and the compaction plate is provided with an excitation assembly; the vibration excitation assembly comprises a vibration exciter arranged on the compaction plate and a power supply module connected with the vibration exciter and used for supplying power; the grouting device for the deep foundation pit can carry out compaction operation while grouting, so that the injected mortar is uniform and compact, and the final molding effect of the mortar is improved; and the vibrating plate has good flexibility, can vibrate mortar at each position in the foundation pit, and can move along with the change of the flowing position of the mortar.

Description

Deep foundation pit grouting device

Technical Field

The utility model relates to the technical field of foundation pit construction, in particular to a deep foundation pit grouting device.

Background

Need carry out the slip casting to the foundation ditch at the in-process of foundation ditch construction to the realization is to the construction of pile foundation cushion cap or foundation ditch bottom back cover, but because the foundation ditch is very dark at the in-process of slip casting, thereby makes the in-process hardly hold the situation of slip casting, and the homogeneity and the compact degree of slip casting are difficult to control.

Chinese utility model patent (publication No. CN213926276U) discloses a deep foundation pit grouting device in 2021, comprising two parallel side plates, wherein the bottoms of the two side plates are both fixedly connected with a bracket, the middle part of the side plate positioned at the rear part is horizontally and forwardly fixedly connected with a servo motor, the driving end of the servo motor is fixedly connected with a winding wheel, and the front end part of the winding wheel is movably connected with the middle position of the side plate positioned at the front part of the foundation pit; the utility model discloses an in-process carrying out the slip casting, the slow drive vibrations head of servo motor work carries out the vibrations work and tamps the slip casting, improves the slip casting quality, but the setting relatively fixed of this kind of vibrations head can only tamp the mortar in the middle of, and mortar all around can't obtain tamping, and to great foundation ditch, this kind of effect of tamping is general.

Disclosure of Invention

The utility model aims to provide a deep foundation pit grouting device aiming at the problems in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a grouting device for a deep foundation pit comprises a grouting machine arranged on one side above the foundation pit, wherein the grouting machine is connected with a grouting pipeline, the grouting pipeline extends into the foundation pit, a cross beam is arranged right above the foundation pit in a crossing manner, two ends of the cross beam are respectively connected with support columns, and the support columns are movably arranged on the ground; the beam is provided with a movable rolling platform, the rolling platform is provided with a rolling assembly, the rolling assembly is connected with a lifting rope, the lifting rope downwards drops into the foundation pit, the end part of the lifting rope is connected with a compaction plate, and the compaction plate is provided with an excitation assembly; the vibration excitation subassembly is including installing vibration exciter on the plain bumper, and with the power module that the vibration exciter is connected and supplies power, the vibration excitation subassembly is still including covering and establishing the vibration exciter with protection casing on the power module, protection casing detachable installs on the plain bumper.

The deep foundation pit grouting device can perform compaction operation while grouting through the arrangement of the compaction plates, so that injected mortar is uniform and compact, and the final molding effect of the mortar is improved; and the vibrating plate has good flexibility, can vibrate mortar at each position in the foundation pit, and can move along with the change of the flowing position of the mortar.

The crossbeam with the setting of support column is on the one hand in order to support the rolling platform, and on the other hand can let through gliding setting the rolling platform is in the top space of foundation ditch is controlled from beginning to end and is moved about, thereby can let the compacting plate is in inside all around translation.

The winding assembly is arranged to release and retract the lifting rope, so that the compaction plate connected below the lifting rope is driven to move up and down, and the compaction plate can be pressed on injected mortar all the time and is subjected to real-time compaction operation.

The power supply module can provide electric energy for the vibration exciter, so that the vibration exciter can generate exciting force on the vibration plate without connecting a cable outwards; the power module is a rechargeable battery pack, and the vibration exciter is an excitation motor or a linear motor and can generate downward acting force. The excitation assembly further comprises a plc controller, and the plc controller can control parameters such as opening and closing and frequency of the vibration exciter according to instructions.

The protective cover can protect the vibration exciter and the power supply module, and avoids damage to equipment caused by mortar sputtered in the foundation pit.

Furthermore, a pair of parallel slideways is arranged on the ground on the two sides of the upper portion of the foundation pit, the lower end of the supporting column is connected with rollers, and the rollers are arranged in the slideways.

The gyro wheel can be in under the effect of drive power roll in the slide to the drive the crossbeam is in the foundation ditch top is removed, the gyro wheel can be automatic drive's gyro wheel, also can set up traction motor at the tip of slide, drives through the mode of pulling the support column removes.

Furthermore, a sliding rail is arranged above the cross beam along the length direction, a sliding block is arranged on the sliding rail, and the sliding block is in threaded connection with the rolling platform; the length of rolling platform is greater than the width of crossbeam, the extension length at rolling platform both ends is the same.

The slide rail with the slider can be through electric control, also can drive the screw rod through the motor and rotate, makes the slider that the cover was established on the screw rod follow the slide rail removes, the slide rail plays direction and supporting role.

Furthermore, the inner periphery of the foundation pit is provided with a grouting channel, the grouting pipeline extends to the bottom along the inner wall of the grouting channel, and a plurality of grout outlet holes are formed in the grouting channel at intervals.

Furthermore, a movable grouting platform is further arranged above the cross beam, the grouting pipeline penetrates through the grouting platform and extends into the foundation pit, and a support for supporting the grouting pipeline is further arranged on the ground between the grouting machine and the foundation pit.

Furthermore, the lifting ropes are at least two symmetrically arranged, the lower ends of the lifting ropes are respectively connected to the central line of the vibrating plate, and two sides of each lifting rope are respectively symmetrically provided with stay cables. With such an arrangement, the balance of the connection of the lifting ropes can be improved, and four lifting ropes can be connected to four points spaced apart by 90 degrees in the circumferential direction.

Further, the rolling subassembly is including setting up rolling motor on the rolling platform, rolling motor is dual output shaft motor, rolling motor's output is connected with synchronous pivoted coiling pole respectively, the upper end of lifting rope is connected on the coiling pole, be equipped with the confession on the rolling platform the through-hole or the logical groove that the lifting rope passed.

The winding machine drives the pair of winding rods to synchronously rotate, so that the lifting ropes are synchronously released or wound.

Furthermore, the top surface and the side of protection casing still are equipped with a plurality of ventilation holes, power module with be equipped with the damping pad between the real board of shake.

The setting in ventilation hole can play ventilation cooling's effect, avoids the high temperature in the shield to be unfavorable for equipment normal work, the setting of damping pad can reduce power module's vibration to guarantee relatively steady power output.

Further, the vibrating plate is a circular plate, an elliptical plate or a rectangular plate. For the foundation pit with the circular cross section, the inner periphery of the circular jolt ramming plate can be better attached, and similarly for the rectangular foundation pit, the inner wall of the foundation pit can be better attached by the rectangular jolt ramming plate.

And the periphery of the vibrating plate can be further provided with a lighting lamp and/or a position sensor, and the lighting lamp is electrically connected with the power supply module. The arrangement of the illuminating lamp can illuminate the interior of a deeper foundation pit, so that the accurate judgment of the grouting position is facilitated; the position sensor can acquire the real-time height of the vibrating plate, and the position of the vibrating plate is better controlled by combining the visual inspection condition.

Compared with the prior art, the utility model has the beneficial effects that: 1. the deep foundation pit grouting device can perform compaction operation while grouting through the arrangement of the compaction plates, so that injected mortar is uniform and compact, and the final molding effect of the mortar is improved; the vibrating plate is very good in flexibility, can be used for vibrating mortar at each position in the foundation pit, and can move along with the change of the flowing position of the mortar; 2. the cross beam and the support columns are arranged to support the rolling platform on one hand, and the rolling platform can move back and forth and left and right in the upper space of the foundation pit through sliding arrangement on the other hand, so that the vibrating plate can move back and forth and left and right in the foundation pit; 3. the power supply module can provide electric energy for the vibration exciter, so that the vibration exciter can generate exciting force on the vibration plate without connecting a cable outwards; the protective cover can protect the vibration exciter and the power supply module, and mortar sputtered in the foundation pit is prevented from damaging equipment; 4. the setting in ventilation hole can play ventilation cooling's effect, avoids the high temperature in the shield to be unfavorable for equipment normal work, the setting of damping pad can reduce power module's vibration to guarantee relatively steady power output.

Drawings

FIG. 1 is an overall schematic view of a deep foundation pit grouting device according to the utility model;

FIG. 2 is a schematic view of a slideway arrangement of a grouting device for a deep foundation pit according to the utility model;

FIG. 3 is a schematic structural diagram of an excitation assembly of the grouting device for the deep foundation pit according to the utility model;

FIG. 4 is a schematic structural diagram of a winding assembly of the grouting device for the deep foundation pit according to the utility model;

FIG. 5 is a schematic view of a grouting device provided in another deep foundation pit according to the utility model;

in the figure: 1. a foundation pit; 2. grouting machine; 3. grouting pipelines; 4. a cross beam; 5. a support pillar; 6. a winding platform; 7. a winding component; 701. a winding motor; 702. winding the rod; 703. a support bar; 8. a lifting rope; 9. a compacting plate; 10. an excitation assembly; 1001. a vibration exciter; 1002. a power supply module; 1003. a protective cover; 1004. a vent hole; 1005. a vibration damping pad; 11. a slideway; 12. a slider; 13. grouting a platform; 14. and (4) a bracket.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows:

as shown in fig. 1 to 3, a deep foundation pit grouting device comprises a grouting machine 2 arranged on one side above a foundation pit 1, wherein the grouting machine 2 is connected with a grouting pipeline 3, the grouting pipeline 3 extends into the foundation pit 1, a cross beam 4 spans over the foundation pit 1, two ends of the cross beam 4 are respectively connected with a support column 5, and the support column 5 is movably arranged on the ground; a movable winding platform 6 is arranged on the cross beam 4, a winding assembly 7 is arranged on the winding platform 6, the winding assembly 7 is connected with a lifting rope 8, the lifting rope 8 downwards drops into the foundation pit 1, the end part of the lifting rope 8 is connected with a vibrating plate 9, and a vibration excitation assembly 10 is arranged on the vibrating plate 9; the excitation assembly 10 comprises a vibration exciter 1001 installed on the vibrating plate 9, a power supply module 1002 connected with the vibration exciter 1001 and supplying power, the excitation assembly 10 further comprises a protective cover 1003 covering the vibration exciter 1001 and the power supply module 1002, and the protective cover 1003 is detachably installed on the vibrating plate 9.

According to the grouting device for the deep foundation pit, through the arrangement of the vibrating plate 9, the vibrating operation can be performed while grouting is performed, so that the injected mortar is uniform and compact, and the final forming effect of the mortar is improved; and the vibrating plate 9 has good flexibility, can vibrate mortar at each position in the foundation pit, and can move along with the change of the flowing position of the mortar.

Crossbeam 4 with support column 5 sets up on the one hand in order to support rolling platform 6, and on the other hand can let through gliding setting rolling platform 6 is in the top space of foundation ditch 1 moves about from beginning to end, thereby can let plain board 9 is in translation around foundation ditch 1 is inside.

The winding assembly 7 is arranged to release and retract the lifting rope 8, so that the compaction plate 9 connected below the lifting rope 8 is driven to move up and down, and the compaction plate 9 can be pressed on injected mortar all the time and is subjected to real-time compaction operation.

The power module 1002 can provide electric energy for the vibration exciter 1001, so that the vibration exciter 1001 can generate an exciting force on the vibration plate 9 without connecting a cable outwards; the power module 1002 is a rechargeable battery pack, and the vibration exciter 1001 is an excitation motor and can generate downward acting force.

The protective cover 1003 is arranged to protect the vibration exciter 1001 and the power supply module 1002, and damage to equipment caused by mortar sputtered in the foundation pit 1 is avoided.

Further, a pair of parallel slideways 11 are arranged on the ground on the two sides above the foundation pit 1, the lower ends of the supporting columns 5 are connected with rollers, and the rollers are arranged in the slideways 11.

The gyro wheel can be in under the effect of drive force roll in the slide 11 to the drive crossbeam 4 is in 1 top of foundation ditch is removed, sets up traction motor at the tip of slide 11, drives through the mode of pulling the support column removes.

Further, a sliding rail is arranged above the cross beam 4 along the length direction, a sliding block 12 is arranged on the sliding rail, and the rolling platform 6 is in threaded connection with the sliding block 12; the length of the rolling platform 6 is greater than the width of the cross beam 4, and the extending lengths of the two ends of the rolling platform 6 are the same. The slider 12 is an electric slider.

Further, the interior week of foundation ditch 1 is equipped with the slip casting passageway, slip casting pipeline 3 is followed the inner wall of slip casting passageway extends to the bottom, the spaced a plurality of grout outlet holes that are equipped with on the slip casting passageway.

Furthermore, the lifting ropes 8 are symmetrically arranged, the lower ends of the lifting ropes 8 are respectively connected to the center line of the vibrating plate 9, two sides of each lifting rope 8 are respectively symmetrically provided with stay cables, and the vibrating plate 9 is provided with a rope penetrating seat for connecting the lifting ropes 8. This arrangement can improve the balance of the connection of the hoist rope 8.

Further, as shown in fig. 4, the winding assembly 7 includes a winding motor 701 disposed on the winding platform 6, the winding motor 701 is a motor with dual output shafts, the output end of the winding motor 701 is connected to a winding rod 702 rotating synchronously, the other end of the winding rod 702 is supported by a support rod 703, and the upper end of the lifting rope 8 is connected to the winding rod 702. The winding motor 701 drives a pair of winding rods 702 to synchronously rotate, so that the lifting rope 8 is synchronously released or retracted.

Further, the top surface and the side surface of the protective cover 1003 are further provided with a plurality of ventilation holes 1004, and a vibration damping pad 1005 is arranged between the power module 1002 and the vibration damping plate 9.

The arrangement of the ventilation holes 1004 can play a role in ventilation and heat dissipation, the phenomenon that the temperature in the protective cover 1003 is too high and the equipment works normally is avoided, and the arrangement of the vibration damping pads 1005 can reduce the vibration of the power supply module 1002 so as to ensure relatively stable power output.

Further, the jolt ramming plate 9 is a circular plate, and for a foundation pit with a circular cross section, the circular jolt ramming plate 9 can be better attached to the inner periphery, so that mortar close to the inner periphery can be jolted.

Example two:

the difference between the embodiment and the first embodiment is that the vertical section of the foundation pit is in a trapezoidal structure.

As shown in fig. 5, a movable grouting platform 13 is further disposed above the cross beam 4, the grouting pipeline 3 passes through the grouting platform 13 and extends into the foundation pit 1, and a support 14 for supporting the grouting pipeline 3 is further disposed on the ground between the grouting machine 2 and the foundation pit 1.

Through the arrangement of the structure, the grouting platform 13 can be driven to move left and right around, so that the grouting position of the grouting pipeline 3 is changed, uniform grouting is facilitated, and in the grouting process, the grouting pipeline 3 can be lifted or recycled, so that the grouting end of the grouting pipeline 3 is gradually improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A grouting device for a deep foundation pit comprises a grouting machine arranged on one side above the foundation pit, wherein the grouting machine is connected with a grouting pipeline, and the grouting pipeline extends into the foundation pit; the beam is provided with a movable rolling platform, the rolling platform is provided with a rolling assembly, the rolling assembly is connected with a lifting rope, the lifting rope downwards drops into the foundation pit, the end part of the lifting rope is connected with a compaction plate, and the compaction plate is provided with an excitation assembly; the vibration excitation subassembly is including installing vibration exciter on the plain bumper, and with the power module that the vibration exciter is connected and supplies power, the vibration excitation subassembly is still including covering and establishing the vibration exciter with protection casing on the power module, protection casing detachable installs on the plain bumper.

2. The deep foundation pit grouting device according to claim 1, wherein a pair of parallel slideways are arranged on the ground on two sides above the foundation pit, and rollers are connected to the lower ends of the supporting columns and arranged in the slideways.

3. The deep foundation pit grouting device according to claim 1, wherein a slide rail is arranged above the cross beam along the length direction, a slide block is arranged on the slide rail, and the rolling platform is in threaded connection with the slide block; the length of rolling platform is greater than the width of crossbeam, the extension length at rolling platform both ends is the same.

4. The deep foundation pit grouting device according to claim 1, wherein a grouting channel is formed in the inner periphery of the foundation pit, the grouting pipeline extends to the bottom along the inner wall of the grouting channel, and a plurality of grouting holes are formed in the grouting channel at intervals.

5. The deep foundation pit grouting device according to claim 1, wherein a movable grouting platform is further arranged above the cross beam, the grouting pipeline penetrates through the grouting platform and extends into the foundation pit, and a support for supporting the grouting pipeline is further arranged on the ground between the grouting machine and the foundation pit.

6. The deep foundation pit grouting device according to claim 1, wherein at least two lifting ropes are symmetrically arranged, the lower ends of the lifting ropes are respectively connected to the center line of the vibrating plate, and inclined stay cables are symmetrically arranged on two sides of each lifting rope.

7. The deep foundation pit grouting device according to claim 1, wherein the winding assembly comprises a winding motor arranged on the winding platform, the winding motor is a motor with double output shafts, output ends of the winding motor are respectively connected with winding rods which rotate synchronously, and upper ends of the lifting ropes are connected to the winding rods.

8. The deep foundation pit grouting device according to claim 1, wherein a plurality of ventilation holes are further formed in the top surface and the side surfaces of the protective cover, and a damping pad is arranged between the power supply module and the damping plate.

9. The deep foundation pit grouting device according to claim 1, wherein the compacting plate is a circular plate or an elliptical plate.