CN115627769A - Ultra-deep and ultra-large foundation pit support inner support structure - Google Patents

Abstract

The invention belongs to the technical field of foundation pit supporting structures, and particularly relates to an ultra-deep and ultra-large foundation pit support structure which comprises a base, wherein a lifting mechanism is arranged on the base, a supporting seat is arranged on the lifting mechanism, the supporting seat is of a hollow design, a bidirectional threaded rod is rotatably connected in the supporting seat, a driving mechanism matched with the bidirectional threaded rod is arranged on the supporting seat, two supporting slide blocks are in threaded connection on the bidirectional threaded rod, opening slide grooves matched with the supporting slide blocks are formed in the supporting seat, the two supporting slide blocks penetrate through the corresponding opening slide grooves and are fixedly connected with sliding plates, supporting frames are fixedly connected on the two sliding plates, and supporting plates are rotatably connected on the supporting frames. The invention can regulate and control the support distance and the support angle according to the requirements, and can regulate and control the support height according to the requirements, so that the support structure can be suitable for foundation pits with different sizes.

Description

Ultra-deep and ultra-large foundation pit support inner support structure

Technical Field

The invention belongs to the technical field of foundation pit supporting structures, and particularly relates to an ultra-deep and ultra-large foundation pit support inner supporting structure.

Background

Nowadays, often need excavate super dark super large foundation ditch subaerial in the work progress such as high-rise building, subway construction, in order to guarantee the safety of super dark super large foundation ditch and all ring edge borders, need support the foundation ditch inside wall usually to play the effect of reinforcing the foundation ditch.

At present, traditional foundation ditch inner support structure function is comparatively single, can not carry out support angle and interval adjustment according to the slope and the width of different foundation ditches, consequently at present super dark super large foundation ditch support in-process, generally need set up different foundation ditch inner support structure according to the slope and the width of difference for there is the poor problem of commonality in the in-process of bearing structure using.

Therefore, the support structure in the ultra-deep and ultra-large foundation pit enclosure is provided to solve the problems.

Disclosure of Invention

The invention aims to solve the problems and provides an ultra-deep and ultra-large foundation pit support structure.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an ultra-deep super large foundation pit support inner supporting structure, includes the base, be provided with elevating system on the base, and be provided with the supporting seat on the elevating system, the supporting seat is the cavity design, and swivelling joint has two-way threaded rod in the supporting seat, be provided with on the supporting seat with two-way threaded rod matched with actuating mechanism, threaded connection has two supporting shoe on the two-way threaded rod, and has seted up on the supporting seat with supporting shoe matched with opening spout, two supporting shoe all runs through corresponding opening spout and fixedly connected with slide, and equal fixedly connected with braced frame on two slides, braced frame is last to rotate and is connected with the backup pad, and is provided with on the slide with backup pad matched with angle adjustment mechanism, the backup pad is through a plurality of buffer gear fixedly connected with buffer boards.

In foretell support structure in ultra-deep super large foundation ditch enclosure, elevating system comprises two support lead screws, worm, two worm wheels and gear motor, two support lead screw all rotates and sets up on the base, and two support lead screws all with supporting seat threaded connection, the control chamber has been seted up on the base, and the lower extreme of two support lead screws all extends to in the control chamber and cup joints with the worm wheel that corresponds is fixed, the worm rotates to set up in the control chamber, and the one end and the gear motor transmission of worm are connected, the worm meshes with two worm wheels mutually.

In foretell ultra-deep super large foundation ditch enclosure inner support structure, actuating mechanism comprises driving motor, initiative bevel gear and driven bevel gear, driving motor is fixed to be set up on the supporting seat, and driving motor's output extends to in the supporting seat and cup joints with the initiative bevel gear is fixed, the fixed cover of driven bevel gear connects on two-way threaded rod, and driven bevel gear meshes with initiative bevel gear mutually.

In foretell ultra-deep super large foundation ditch enclosure inner support structure, angle adjusting mechanism comprises hollow seat, screw thread guide holder and guide arm, hollow seat is fixed to be set up on the slide, and screw thread guide holder rotates with hollow seat to be connected, guide arm and screw thread guide holder threaded connection, the one end that screw thread guide holder was kept away from to the guide arm articulates there is the direction slider, and sets up the direction spout with direction slider matched with in the backup pad.

In the support structure for the ultra-deep and ultra-large foundation pit enclosure, the threaded guide seat is fixedly sleeved with the knob, and the lead angle of the guide rod is smaller than the equivalent friction angle.

In foretell ultra-deep super large foundation ditch enclosure inner support structure, buffer gear comprises slide, traveller and buffer spring, the slide is fixed to be set up in the backup pad, and traveller and slide sliding connection, the traveller is through a plurality of buffer spring and slide fixed connection, and the traveller keeps away from the one end and the buffer board fixed connection of slide.

In foretell ultra-deep super large foundation ditch enclosure inner support structure, the downside of base is fixed and is provided with a plurality of universal wheels, and the universal wheel can the auto-lock.

In the support structure in the ultra-deep and ultra-large foundation pit enclosure, the two sides of the base are in threaded connection with the inserted rods, and the upper ends of the inserted rods are fixedly connected with the rotating handle.

Compared with the prior art, an ultra-deep and ultra-large foundation pit support inner support structure has the advantages that:

1. through the elevating system who sets up, can regulate and control the height of supporting seat, and then can regulate and control the height of two backup pads for when the staff supports the foundation ditch of the different degree of depth, can regulate and control the support height of two backup pads as required.

2. Through the cooperation of the actuating mechanism who sets up and two-way threaded rod, can regulate and control two slides and keep away from each other or be close to, and then can regulate and control the interval of two backup pads for this bearing structure can adapt to the foundation ditch of different widths.

3. Through the angle adjustment mechanism who sets up, can regulate and control the support angle of backup pad for the backup pad can agree with the foundation ditch of different slopes, and angle adjustment mechanism has self-locking function, has avoided the loaded down with trivial details of artifical locking.

4. Through the cooperation of the buffer gear who sets up and buffer board, can give the backup pad buffering protection, avoid buffer board and the rigid production damage that touches of foundation ditch, through the universal wheel person of facilitating the use who sets up remove whole bearing structure, through the inserted bar that sets up, be convenient for peg graft with foundation ditch ground, firm whole bearing structure's placing.

Drawings

FIG. 1 is a schematic view of an orthographic perspective structure of an ultra-deep and ultra-large foundation pit support structure provided by the invention;

FIG. 2 is a schematic view of a front perspective structure of a driving mechanism of an ultra-deep and ultra-large foundation pit support structure provided by the invention;

FIG. 3 is a schematic view of an elevation perspective structure of an angle adjusting mechanism of an ultra-deep and ultra-large foundation pit support structure provided by the invention;

fig. 4 is a schematic front perspective structural diagram of a buffer mechanism of an ultra-deep and ultra-large foundation pit support structure provided by the invention.

In the figure: the device comprises a base 1, a lifting mechanism 2, a support screw 21, a worm 22, a worm wheel 23, a speed reducing motor 24, a support base 3, a bidirectional threaded rod 4, a driving mechanism 5, a driving motor 51, a driving bevel gear 52, a driven bevel gear 53, a support sliding block 6, an opening sliding chute 7, a sliding plate 8, a support frame 9, a support plate 10, an angle adjusting mechanism 11, a hollow seat 111, a thread guide seat 112, a guide rod 113, a buffer mechanism 12, a sliding seat 121, a sliding column 122, a buffer spring 123, a buffer plate 13, a guide sliding block 14, a guide sliding chute 15, a knob 16, a universal wheel 17, an insertion rod 18, a rotating handle 19 and a control cavity 20.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1-4, an ultra-deep and ultra-large foundation pit support inner support structure comprises a base 1, wherein a plurality of universal wheels 17 are fixedly arranged on the lower side of the base 1, the universal wheels 17 can be self-locked, the arrangement of the universal wheels 17 is convenient for moving the whole support structure, a lifting mechanism 2 is arranged on the base 1, a support seat 3 is arranged on the lifting mechanism 2, inserting rods 18 are in threaded connection with both sides of the base 1, a rotating handle 19 is fixedly connected with the upper ends of the inserting rods 18, and the arrangement of the inserting rods 18 can utilize the inserting rods 18 to be inserted into the ground to fix the whole support structure;

the lifting mechanism 2 comprises two supporting lead screws 21, a worm 22, two worm wheels 23 and a speed reducing motor 24, the two supporting lead screws 21 are rotatably arranged on the base 1, the two supporting lead screws 21 are in threaded connection with the supporting seat 3, a control cavity 20 is formed in the base 1, the lower ends of the two supporting lead screws 21 extend into the control cavity 20 and are fixedly sleeved with the corresponding worm wheels 23, the worm 22 is rotatably arranged in the control cavity 20, one end of the worm 22 is in transmission connection with the speed reducing motor 24, the worm 22 is meshed with the two worm wheels 23, and the speed reducing motor 24 is convenient to control the two supporting lead screws 21 to synchronously rotate and further control the supporting seat 3 to lift through the transmission fit of the worm 22 and the two worm wheels 23;

the supporting seat 3 is of a hollow design, a bidirectional threaded rod 4 is rotatably connected in the supporting seat 3, a driving mechanism 5 matched with the bidirectional threaded rod 4 is arranged on the supporting seat 3, the driving mechanism 5 consists of a driving motor 51, a driving bevel gear 52 and a driven bevel gear 53, the driving motor 51 is fixedly arranged on the supporting seat 3, the output end of the driving motor 51 extends into the supporting seat 3 and is fixedly sleeved with the driving bevel gear 52, the driven bevel gear 53 is fixedly sleeved on the bidirectional threaded rod 4, the driven bevel gear 53 is meshed with the driving bevel gear 52, and the driving bevel gear 52 and the driven bevel gear 53 are arranged in a transmission fit mode, so that the driving motor 51 can conveniently control the bidirectional threaded rod 4 to rotate;

two supporting sliders 6 are connected to the bidirectional threaded rod 4 in a threaded manner, an opening sliding groove 7 matched with the supporting slider 6 is formed in the supporting seat 3, the two supporting sliders 6 penetrate through the corresponding opening sliding grooves 7 and are fixedly connected with sliding plates 8, supporting frames 9 are fixedly connected to the two sliding plates 8, supporting plates 10 are rotatably connected to the supporting frames 9, angle adjusting mechanisms 11 matched with the supporting plates 10 are arranged on the sliding plates 8, each angle adjusting mechanism 11 is composed of a hollow seat 111, a threaded guide seat 112 and a guide rod 113, the hollow seat 111 is fixedly arranged on the sliding plate 8, the threaded guide seat 112 is rotatably connected with the hollow seat 111, the guide rods 113 are in threaded connection with the threaded guide seats 112, one ends, far away from the threaded guide seats 112, of the guide rods 113 are hinged with guide sliders 14, the supporting plates 10 are provided with guide sliding grooves 15 matched with the guide sliders 14, the guide rods 113 are in threaded fit with the guide seats 112, the guide rods 113 can be controlled to extend and retract, transverse force can be applied to the supporting plates 10 to control the rotation of the supporting plates 10, angle regulation is realized, the threaded guide rods 16 are fixedly connected to the threaded guide seats 112, the lifting angle of the guide rods 113 is smaller than the lifting angle of the thread, the lifting angle of the guide rods, the guide seats, the lifting angle of the guide rods is convenient for a worker to design knob, and the self-locking knob of the guide rods 112, and the knob, and the self-locking knob for the lifting angle of the guide rods 112;

the supporting plate 10 is fixedly connected with the buffer plate 13 through a plurality of buffer mechanisms 12, the buffer mechanisms 12 are composed of a sliding seat 121, a sliding column 122 and a buffer spring 123, the sliding seat 121 is fixedly arranged on the supporting plate 10, the sliding column 122 is connected with the sliding seat 121 in a sliding mode, the sliding column 122 is fixedly connected with the sliding seat 121 through a plurality of buffer springs 123, one end, far away from the sliding seat 121, of the sliding column 122 is fixedly connected with the buffer plate 13, the supporting plate 10 can be protected in a buffering mode through the cooperation of the sliding column 122 and the buffer spring 123, the supporting plate 10 is prevented from being in hard touch with a foundation pit through the elasticity of the buffer spring 123.

The operating principle of the present invention will now be described as follows:

when an extra-deep and extra-large foundation pit needs to be supported in a surrounding manner, firstly, the supporting mechanism is placed at a target point in the foundation pit, then, the two inserting rods 18 are sequentially rotated, so that the inserting rods 18 are inserted with the ground, the placing stability of the whole supporting structure is ensured, then, the knob 16 is sequentially rotated, the knob 16 can drive the threaded guide seat 112 to rotate, the guide rod 113 can transversely move along with the rotation of the threaded guide seat 112, the guide rod 113 can drive the supporting plate 10 to deflect, and when the rotating angle of the supporting plate 10 is matched with the gradient of the inner wall of the foundation pit needing to be supported, the knob 16 is stopped to rotate;

then, starting the speed reducing motor 24, the speed reducing motor 24 can control the worm 22 to rotate, the two supporting lead screws 21 can synchronously rotate under the transmission coordination of the two worm wheels 23, the supporting seat 3 can drive the two supporting plates 10 to ascend along with the rotation of the two supporting lead screws 21, and the speed reducing motor 24 is closed after the two supporting plates 10 are lifted to the required height;

then, starting the driving motor 51, wherein the driving motor 51 controls the driving bevel gear 52 to rotate, the bidirectional threaded rod 4 synchronously rotates under the transmission coordination of the driven bevel gear 53, the two supporting sliders 6 drive the two sliding plates 8 to be away from each other along with the rotation of the bidirectional threaded rod 4, the two supporting plates 10 are further away from each other, and when the buffer plates 13 on the two supporting plates 10 abut against the inner wall of the corresponding foundation pit, the driving motor 51 is closed;

treat that the operation of support period ends, when needing to dismantle bearing structure, control driving motor 51 reversal, and on the same way, two-way threaded rod 4 can the antiport for two support slide 6 slide each other and be close to, and then make two slides 8 drive two backup pads 10 and be close to each other, treat when the inner wall of foundation ditch is kept away from completely to the buffer board 13 in two backup pads 10, close driving motor 51, then, can hang this supporting mechanism from the foundation ditch through the equipment of lifting by crane.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (8)

1. The utility model provides an extra-deep super large foundation pit enclosure inner support structure, includes base (1), its characterized in that, be provided with elevating system (2) on base (1), and be provided with supporting seat (3) on elevating system (2), supporting seat (3) are the cavity design, and rotate in supporting seat (3) and be connected with two-way threaded rod (4), be provided with on supporting seat (3) with two-way threaded rod (4) matched with actuating mechanism (5), threaded connection has two supporting slider (6) on two-way threaded rod (4), and sets up on supporting seat (3) with supporting slider (6) matched with opening spout (7), two supporting slider (6) all run through corresponding opening spout (7) and fixedly connected with slide (8), and equal fixedly connected with braced frame (9) on two slides (8), rotate on braced frame (9) and be connected with backup pad (10), and be provided with on slide (8) with backup pad (10) matched with angle adjustment mechanism (11), backup pad (10) are through a plurality of buffer gear (12) fixedly connected with buffer board (13).

2. The support structure for an ultra-deep and ultra-large foundation pit support as claimed in claim 1, wherein the lifting mechanism (2) comprises two support screws (21), a worm (22), two worm gears (23) and a speed reduction motor (24), the two support screws (21) are rotatably arranged on the base (1), the two support screws (21) are in threaded connection with the support base (3), the base (1) is provided with a control cavity (20), the lower ends of the two support screws (21) extend into the control cavity (20) and are fixedly sleeved with the corresponding worm gears (23), the worm (22) is rotatably arranged in the control cavity (20), one end of the worm (22) is in transmission connection with the speed reduction motor (24), and the worm (22) is meshed with the two worm gears (23).

3. The support structure for an ultra-deep and ultra-large foundation pit enclosure as claimed in claim 1, wherein the driving mechanism (5) is composed of a driving motor (51), a driving bevel gear (52) and a driven bevel gear (53), the driving motor (51) is fixedly arranged on the supporting base (3), an output end of the driving motor (51) extends into the supporting base (3) and is fixedly sleeved with the driving bevel gear (52), the driven bevel gear (53) is fixedly sleeved on the bidirectional threaded rod (4), and the driven bevel gear (53) is engaged with the driving bevel gear (52).

4. The support structure for an ultra-deep and ultra-large foundation pit support according to claim 1, wherein the angle adjusting mechanism (11) is composed of a hollow seat (111), a threaded guide seat (112) and a guide rod (113), the hollow seat (111) is fixedly arranged on the sliding plate (8), the threaded guide seat (112) is rotatably connected with the hollow seat (111), the guide rod (113) is in threaded connection with the threaded guide seat (112), a guide slider (14) is hinged to one end, far away from the threaded guide seat (112), of the guide rod (113), and a guide chute (15) matched with the guide slider (14) is formed in the support plate (10).

5. The support structure for an ultra-deep and ultra-large foundation pit enclosure as claimed in claim 4, wherein a knob (16) is fixedly sleeved on the threaded guide seat (112), and a lead angle of the thread of the guide rod (113) is smaller than an equivalent friction angle.

6. The support structure in the ultra-deep and ultra-large foundation pit enclosure as claimed in claim 1, wherein the buffer mechanism (12) is composed of a sliding base (121), a sliding column (122) and buffer springs (123), the sliding base (121) is fixedly arranged on the support plate (10), the sliding column (122) is slidably connected with the sliding base (121), the sliding column (122) is fixedly connected with the sliding base (121) through a plurality of buffer springs (123), and one end of the sliding column (122) far away from the sliding base (121) is fixedly connected with the buffer plate (13).

7. The support structure for an ultra-deep and ultra-large foundation pit enclosure as claimed in claim 1, wherein a plurality of universal wheels (17) are fixedly arranged on the lower side of the base (1), and the universal wheels (17) can be self-locked.

8. The support structure for an ultra-deep and ultra-large foundation pit enclosure as claimed in claim 1, wherein the two sides of the base (1) are both in threaded connection with the inserted rod (18), and the upper end of the inserted rod (18) is fixedly connected with the rotating handle (19).

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