Foundation pit support construction device
By designing a flip-up and tiltable box-shaped baffle and expanding barrier adjustment components, the problems of large space occupation and fixed height of the foundation pit retaining device were solved, realizing flexible support and convenient folding, improving applicability and transportation convenience.
Patent Information
- Application Number
- CN202422924154.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing foundation pit retaining devices occupy a large space after use, are not easy to fold, and have fixed baffle heights, making it difficult to adapt to changes in the height of different foundation pit sidewalls, resulting in insufficient flexibility and applicability.
A foundation pit retaining device was designed, comprising a U-shaped support plate, a box-shaped baffle, a threaded drive support assembly, and a drive motor. The box-shaped baffle is flipped and tilted by the motor, and combined with the expansion and adjustment assembly, the baffle can be flexibly supported and folded.
It improves the applicability and flexibility of the foundation pit support device, can adapt to the side wall support of foundation pits with various inclinations, and can be easily and quickly folded when not in use, reducing the transportation and storage space requirements.
Smart Images

Figure CN223446179U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a foundation pit support technology field, concretely is a kind of foundation pit support construction device. BACKGROUND
[0002] Foundation pit is the limited space operation site for the convenience of building foundation construction, the characteristics of foundation pit are that the side wall soil of foundation pit is not stable, sometimes collapse phenomenon appears, cause personal and economic loss, therefore, support, support measure is needed to the side wall of foundation pit before construction in foundation pit;The existing foundation pit support is supported and limited by baffle wall and fixed frame during construction, the support mode of multiple baffle wall units is arranged according to the inside of foundation pit by multiple points or equidistant arrangement to form support mode, to reduce the phenomenon of the soil of side wall of foundation pit sliding down during construction and generating safety risk.
[0003] The existing support mode of multiple baffle wall units to the side wall of foundation pit exists the following shortcomings during use:
[0004] 1, after use, the baffle wall and the bracket for supporting it cannot be conveniently and quickly folded, the space occupied by the whole is relatively large when not being used or being transported, and the use flexibility is not ideal;2, the height of baffle wall is usually fixed, and it is difficult to flexibly adjust according to the height of side wall of foundation pit, and the applicability is not ideal;In view of this, the present application provides a kind of foundation pit support construction device to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model is to provide a kind of foundation pit support construction device to solve the problems raised in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of foundation pit support construction device, including back-shaped support plate, the top left side of the back-shaped support plate is rotatably installed with the box-shaped baffle with right side opening, the right side of back-shaped support plate is provided with the avoidance slot with top, front side and rear side opening, the left side of the bottom of back-shaped support plate is provided with the installation slot with front side opening, the inner wall between the two sides of back-shaped support plate is installed with the screw driving support component for driving box-shaped baffle to overturn and tilt adjustment, the right side inner wall of installation slot is fixedly installed with the driving motor of output shaft and screw driving support component fixed connection;Screw driving support component is used to drive box-shaped baffle to overturn vertically or tilt when driving motor starts to limit the work of side wall of foundation pit, to reduce the risk of soil sliding down on the side wall of foundation pit during construction, and is used to fold box-shaped baffle with back-shaped support plate after use, to reduce the space occupied when not being used or being transported;
[0007] The box-shaped baffle is installed with the expansion blocking adjustment assembly for expanding the height of side wall of foundation pit limit;Expansion blocking adjustment assembly is used to expand the height of limit adjustment;
[0008] The bottom inner wall of the avoiding groove is embedded with two fixing assemblies; the fixing assemblies are used for fixing the L-shaped support plate.
[0009] Preferably, the threaded driving support assembly comprises six horizontal guide rods fixedly connected between the inner walls on the two sides of the L-shaped support plate in a rectangular shape, one movable seat is slidably sleeved on the six horizontal guide rods, an inclined support rod is rotatably installed on the front side and the rear side of the movable seat, the top ends of the two support rods are hingedly connected with the bottom left side of the box-shaped baffle, a screw rod is rotatably installed on the right side inner wall of the L-shaped support plate, the movable seat is threadedly sleeved on the screw rod, and the left end of the screw rod is fixedly connected with the right end of the output shaft of the driving motor.
[0010] Preferably, the expansion and blocking adjusting assembly comprises an expansion plate slidably sleeved in the box-shaped baffle, the right side of the expansion plate is fixedly connected with an arc-shaped guide plate, two rows of clamping grooves are formed in the bottom of the expansion plate, the number of clamping grooves in each row is multiple and the clamping grooves in the same row are arranged at equal intervals, a knob-type bolt is movably clamped in the rightmost clamping groove in the multiple clamping grooves in the same row, and two threaded holes are formed in the bottom right side of the box-shaped baffle and are threadedly connected with the corresponding knob-type bolts.
[0011] Preferably, the fixing assembly comprises two internal thread sleeves embedded in the bottom inner wall of the avoiding groove, a T-shaped anchor rod is threadedly sleeved in each of the two internal thread sleeves, and the expansion plate is located between the two T-shaped anchor rods.
[0012] Preferably, the same hinge is fixedly connected between the left side of the L-shaped support plate and the left side of the box-shaped baffle, and the box-shaped baffle is rotatably connected with the L-shaped support plate through the hinge.
[0013] Preferably, the left inner wall of the mounting groove is fixedly installed with a storage battery electrically connected with the driving motor.
[0014] Preferably, a threaded hole is formed in one side of the movable seat and is threadedly connected with the screw rod.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1. The L-shaped support plate, the box-shaped baffle, the fixing assembly, the threaded driving support assembly and the driving motor are cooperated, the box-shaped baffle can be driven to be upwardly overturned to a suitable inclination to support the side wall of the foundation pit, the box-shaped baffle can be used to adjust the inclination, the box-shaped baffle is convenient to use for supporting the side wall of the foundation pit with various inclinations, and the applicability is high.
[0017] 2. The box-shaped baffle and the expansion and blocking adjusting assembly are cooperated, the height of the blocking can be flexibly adjusted according to the side wall of the foundation pit with different heights, and the applicability is further improved.
[0018] 3. The back-shaped support plate, box-shaped baffle, threaded drive support assembly, drive motor and expansion blocking adjustment assembly cooperate to shrink in length when not in use, and the box-shaped baffle and the back-shaped support plate are folded quickly and conveniently, the occupied space during non-use or transportation is reduced, transportation work is facilitated, and use flexibility is improved.
[0019] The utility model discloses a series of structures are set up, and the box-shaped baffle is conveniently driven to turn up to the suitable slope to support the side wall of foundation pit, the box-shaped baffle is conveniently used to turn up and incline to adjust, and the side wall of foundation pit of various inclinations is conveniently supported, the height of the limit is conveniently adjusted according to the side wall of foundation pit of different heights, the applicability is further improved, and the length is conveniently shrunk when not in use, and the box-shaped baffle and the back-shaped support plate are folded quickly and conveniently, the occupied space during non-use or transportation is reduced, transportation work is facilitated, and use flexibility is improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The utility model discloses a kind of structural schematic diagram of foundation pit retaining construction device proposed in the utility model;
[0021] Figure 2 For Figure 1 The bottom structure schematic diagram of the utility model;
[0022] Figure 3 The main view sectional structure schematic diagram of a kind of foundation pit retaining construction device proposed in the utility model;
[0023] Figure 4 For Figure 3 The structure schematic diagram of box-shaped baffle in the utility model in expansion limit state.
[0024] In the drawing: 1, back-shaped support plate;101, avoiding groove;102, installation groove;2, box-shaped baffle;201, expansion plate;202, arc-shaped guide plate;203, knob type bolt;204, clamping groove;3, T-shaped anchor rod;301, internal thread sleeve;4, screw rod;401, moving seat;402, horizontal guide rod;403, support rod;5, drive motor;501, battery. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0026] As Figures 1 to 4As shown, the base pit support construction device provided by the embodiment comprises a back-shaped support plate 1, the top left side of the back-shaped support plate 1 is rotatably installed with a box-shaped baffle 2 with an opening on the right side, wherein the same hinge is fixedly connected between the left side of the back-shaped support plate 1 and the left side of the box-shaped baffle 2, the box-shaped baffle 2 is rotatably connected with the back-shaped support plate 1 through the hinge, which plays the effect of rotatably installing the box-shaped baffle 2, the right side of the back-shaped support plate 1 is provided with an avoidance slot 101 with an opening on the top, front side and rear side, the left side of the bottom of the back-shaped support plate 1 is provided with an installation slot 102 with an opening on the front side, the screw driving support assembly for driving the box-shaped baffle 2 to overturn and tilt adjustment is installed between the inner walls of the two sides of the back-shaped support plate 1, the output shaft of the driving motor 5 is fixedly installed on the right side inner wall of the installation slot 102 and is fixedly connected with the screw driving support assembly, the left side inner wall of the installation slot 102 is fixedly installed with the storage battery 501 which is electrically connected with the driving motor 5; the screw driving support assembly is used for driving the box-shaped baffle 2 to overturn upward to work vertically or obliquely to limit the side wall of the foundation pit when the driving motor 5 is started, so as to reduce the risk of soil sliding down the side wall of the foundation pit during construction, and is used for folding the box-shaped baffle 2 with the back-shaped support plate 1 after use, so as to reduce the occupied space when not in use or transportation.
[0027] The box-shaped baffle 2 is internally installed with the expansion blocking adjustment assembly for expanding the limiting height of the side wall of the foundation pit; the expansion blocking adjustment assembly is used for expanding and adjusting the limiting height; the bottom inner wall of the avoidance slot 101 is embeddedly fixed with two fixing assemblies; the fixing assemblies are used for fixing the back-shaped support plate 1.
[0028] Specifically, the threaded drive support assembly comprises six horizontal guide rods 402 fixedly connected between the inner walls on both sides of the L-shaped support plate 1 in a rectangular shape, and a same moving seat 401 is slidably sleeved on the six horizontal guide rods 402, wherein the moving seat 401 is provided with six horizontal guide holes on one side thereof, which are respectively slidably sleeved with the outer sides of the corresponding horizontal guide rods 402, so as to guide the horizontal sliding of the moving seat 401; the front side and the rear side of the moving seat 401 are both rotatably installed with an inclined support rod 403, wherein the front side and the rear side of the moving seat 401 are both welded with a pin shaft, the front bottom of the support rod 403 is provided with a circular hole, a first bearing is fixedly sleeved in the circular hole, the inner ring of the first bearing is fixedly sleeved with the outer side of the corresponding pin shaft, and the first bearing and the pin shaft are arranged to rotatably install the corresponding support rod 403; the top ends of the two support rods 403 are both hingedly connected with the bottom left side of the box-shaped baffle 2; a screw rod 4 is rotatably installed on the right inner wall of the L-shaped support plate 1, wherein a second bearing is fixedly connected to the right inner wall of the L-shaped support plate 1, the inner ring of the second bearing is fixedly sleeved with the outer side of the screw rod 4, and the screw rod 4 is rotatably installed; the moving seat 401 is threadedly sleeved on the screw rod 4, wherein one side of the moving seat 401 is provided with a threaded hole in threaded connection with the screw rod 4, and the threaded connection between the screw rod 4 and the threaded hole facilitates the horizontal displacement of the moving seat 401 when the screw rod 4 rotates; the left end of the screw rod 4 is fixedly connected with the right end of the output shaft of a driving motor 5; the horizontal guide rods 402, the support rods 403, the moving seat 401 and the screw rod 4 are arranged in cooperation, the driving motor 5 is arranged to drive the screw rod 4 to rotate, the screw rod 4 rotates to drive the moving seat 401 to move leftward or rightward, the moving seat 401 moves leftward to drive the two support rods 403 to rotate upward to extrude the box-shaped baffle 2, so that the box-shaped baffle 2 is flipped upward to be vertically or obliquely arranged to block the side wall of the foundation pit, and when the moving seat 401 moves rightward, the two support rods 403 pull the box-shaped baffle 2 to rotate downward to be folded with the L-shaped support plate 1, so as to reduce the occupied space when not in use or during transportation.
[0029] Further, the expansion and extension blocking adjusting assembly comprises an expansion plate 201 slidingly sleeved in the box-shaped baffle 2, the right side of the expansion plate 201 is fixedly connected with an arc-shaped guide plate 202, the bottom of the expansion plate 201 is provided with two rows of clamping grooves 204, the number of each row of clamping grooves 204 is multiple and the clamping grooves 204 in the same row are arranged at equal intervals, the rightmost clamping groove 204 in the multiple clamping grooves 204 in the same row is movably clamped with a knob screw bolt 203, and the bottom right side of the box-shaped baffle 2 is provided with two threaded holes which are respectively threadedly connected with the corresponding knob screw bolts 203; the expansion plate 201, the arc-shaped guide plate 202, the clamping grooves 204 and the knob screw bolts 203 are matched, the two knob screw bolts 203 are reversely rotated to be separated downward from the corresponding clamping grooves 204, the arc-shaped guide plate 202 is pulled outward to drive the expansion plate 201 to slide outward in the box-shaped baffle 2, the extension length of the expansion plate 201 is adjusted, and thus the blocking height during blocking is adjusted; after appropriate adjustment, the knob screw bolts 203 are forwardly rotated to be moved back into the clamping grooves 204.
[0030] Further, the fixing assembly comprises an internal thread sleeve 301 embedded and fixed on the inner wall of the bottom of the avoiding groove 101, two embedded holes are formed in the inner wall of the bottom of the avoiding groove 101 and are fixedly connected with the outer sides of the corresponding internal thread sleeves 301, and T-shaped anchor rods 3 are threadedly sleeved in the two internal thread sleeves 301, and the expansion plate 201 is located between the two T-shaped anchor rods 3; the internal thread sleeves 301 and the T-shaped anchor rods 3 are matched, the T-shaped anchor rods 3 are forwardly rotated to be rotated in the corresponding internal thread sleeves 301 and are downwardly displaced, the T-shaped anchor rods 3 which are rotated and downwardly displaced are downwardly drilled into the ground of the foundation pit, the U-shaped supporting plate 1 is fixed, and the fixed U-shaped supporting plate 1 is used for supporting work at the bottom.
[0031] The use method of the embodiment is as follows: when the side wall of the foundation pit needs to be blocked, the U-shaped supporting plate 1 is placed close to the side wall of the foundation pit in the foundation pit, the driving motor 5 is forwardly started to drive the screw rod 4 to rotate, the screw rod 4 drives the moving seat 401 to slide leftward on the six transverse guide rods 402, the moving seat 401 drives the two supporting rods 403 to upwardly rotate and press the box-shaped baffle 2 when the moving seat 401 moves leftward, the box-shaped baffle 2 is upwardly turned to contact the side wall of the foundation pit, the box-shaped baffle 2 after being upwardly turned is used for vertical or inclined blocking work of the side wall of the foundation pit, the box-shaped baffle 2 which can be upwardly turned and inclined is used for conveniently and applicably supporting and blocking the side wall of the foundation pit with various inclinations; the T-shaped anchor rods 3 are forwardly rotated to be rotated in the corresponding internal thread sleeves 301 and are downwardly displaced, the T-shaped anchor rods 3 which are rotated and downwardly displaced are downwardly drilled into the ground of the foundation pit, the U-shaped supporting plate 1 is fixed, and the fixed U-shaped supporting plate 1 is used for supporting work at the bottom; personnel can use multiple devices to form multiple points or equidistant arrangement according to the formation and length of the inner walls of the four sides of the foundation pit, so as to form supporting and blocking work of the inner side of the foundation pit.
[0032] When the height of the retaining wall needs to be adjusted according to the height of the side wall of the foundation pit, the two knob-type bolts 203 are reversely rotated to move outward and be separated from the corresponding clamping grooves 204, the arc-shaped guide plate 202 is pulled outward to drive the extension plate 201 to slide outward in the box-shaped retaining plate 2, the extension length of the extension plate 201 is adjusted, and thus the height of the retaining wall during retaining is adjusted. After the appropriate adjustment, the knob-type bolts 203 are reversely rotated to move back into the clamping grooves 204, and during the extension retaining, the soil on the upper part of the side wall of the foundation pit is slightly side-slipped to contact the side of the extension plate 201 due to the small gap between the extension plate 201, and the extension plate 201 is blocked to stop the soil from continuing to slide and fall, and the retaining work is performed, so that the height of the retaining wall can be flexibly adjusted according to the side wall of the foundation pit with different heights, and the applicability is further improved.
[0033] After use, the knob-type bolts 203 are reversely rotated to move outward and be separated from the corresponding clamping grooves 204, the extension plate 201 is pushed into the box-shaped retaining plate 2, the knob-type bolts 203 are used to fix the extension plate 201, then the driving motor 5 is reversely started, and the movement direction is completely opposite to that of the driving motor 5 started in the forward direction, at this time, the moving seat 401 is changed to move to the right, and the box-shaped retaining plate 2 is reversely rotated downward and folded with the meandering support plate 1 through the two supporting rods 403, so that the length of the box-shaped retaining plate 2 is contracted when not in use, and the box-shaped retaining plate 2 and the meandering support plate 1 are conveniently and quickly folded, the occupied space is reduced when not in use or transported, the transportation work is facilitated, and the use flexibility is improved.
[0034] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A foundation pit retaining construction device, comprising a circular support plate (1), characterized in that: A box-shaped baffle (2) with an opening on the right side is rotatably mounted on the left side of the top of the circular support plate (1); a avoidance groove (101) with openings on the top, front and rear sides is provided on the right side of the circular support plate (1); a mounting groove (102) with an opening on the front side is provided on the left side of the bottom of the circular support plate (1); a threaded driving support assembly for driving the box-shaped baffle (2) to flip and tilt is installed between the inner walls on both sides of the circular support plate (1); a driving motor (5) whose output shaft is fixedly connected to the threaded driving support assembly is fixedly mounted on the inner wall on the right side of the mounting groove (102); The box-shaped baffle (2) is provided with an expansion and blocking adjustment component for increasing the height of the foundation pit side wall; Two fixing components are embedded and fixed on the inner wall of the bottom of the avoidance groove (101).
2. A foundation pit enclosure construction device according to claim 1, characterized in that: The thread drive support assembly comprises six rectangular transverse guide rods (402) fixedly connected between the inner walls on both sides of the circular support plate (1); the six transverse guide rods (402) are slidably sleeved with a same movable seat (401); the front and rear sides of the movable seat (401) are rotatably mounted with inclined support rods (403); the top ends of the two support rods (403) are hinged to the bottom left side of the box-shaped baffle (2); a screw rod (4) is rotatably mounted on the right inner wall of the circular support plate (1); the movable seat (401) is threadedly sleeved on the screw rod (4); and the left end of the screw rod (4) is fixedly connected to the right end of the output shaft of the drive motor (5).
3. The foundation pit enclosure construction device according to claim 1, characterized in that: The expansion and blocking adjustment assembly comprises an expansion plate (201) slidably sleeved in a box-shaped baffle (2); an arc-shaped guide plate (202) is fixedly connected to the right side of the expansion plate (201); two rows of card slots (204) are provided at the bottom of the expansion plate (201); the number of card slots (204) in each row is multiple and arranged at equal intervals; a knob-type bolt (203) is movably mounted in the rightmost card slot (204) of the multiple card slots (204) in the same row; and two threaded through holes are provided on the right side of the bottom of the box-shaped baffle (2) and are respectively threadedly connected to the corresponding knob-type bolts (203).
4. A foundation pit enclosure construction device according to claim 3, characterized in that: The fixing assembly comprises an internal threaded sleeve (301) embedded and fixed on the inner wall of the bottom of the avoidance groove (101), and the two internal threaded sleeves (301) are both threaded with T-shaped anchor rods (3), and the expansion plate (201) is located between the two T-shaped anchor rods (3).
5. The foundation pit enclosure construction device according to claim 1, characterized in that: The left side of the circular support plate (1) and the left side of the box-shaped baffle (2) are fixedly connected by a same hinge, and the box-shaped baffle (2) is rotatably connected to the circular support plate (1) via the hinge.
6. The foundation pit enclosure construction device according to claim 1, characterized in that: A storage battery (501) electrically connected to the drive motor (5) is fixedly mounted on the left inner wall of the mounting groove (102).
7. The foundation pit enclosure construction device according to claim 2, characterized in that: A threaded hole threadedly connected to the screw rod (4) is provided on one side of the movable seat (401).