A positioning and guiding device for foundation pit support construction

Abstract

This utility model discloses a positioning and guiding device for foundation pit support construction, comprising: two sets of L-shaped side plates arranged symmetrically, with the front of the adjacent side of each L-shaped side plate being an inclined surface, and the two inclined surfaces being symmetrically arranged; and a bidirectional transverse guide thread drive support assembly installed between the rear of the adjacent side of the two L-shaped side plates. This utility model, through a series of structures, can drive four V-shaped clamping plates to move close together to adjust the clamping distance, thereby driving multiple positioning balls to form a surrounding fit against the outside of the pile foundation, achieving a wear-resistant guiding function. This not only facilitates adaptation to various specifications of pile foundations and achieves a precise fit for wear-resistant positioning and guiding, thus improving applicability, but also reduces friction during guidance to enhance guiding smoothness. Furthermore, it allows for appropriate adjustments to the entire device when the ground is uneven, preventing severe tilting from affecting the guiding work and further improving guiding accuracy.

Description

Technical Field

[0001] This utility model relates to the field of foundation pit support technology, specifically a positioning and guiding device for foundation pit support construction. Background Technology

[0002] Foundation pit support engineering refers to the engineering measures taken during foundation pit excavation to ensure the stability of the pit wall, protect the safety of the main underground engineering construction, and prevent damage to the surrounding environment. Foundation pit support methods include pile support, pile bracing, pile anchors, pile cantilever, diaphragm wall support, diaphragm wall, cement retaining wall, etc. For pile foundation descent construction, positioning and guiding devices are required for vertical guidance.

[0003] In existing technologies, positioning sleeves and sleeve supports are commonly used as guiding devices, which are then lifted and inserted from the top of the sleeve for positioning and guidance. However, this approach has the following drawbacks in practical applications: 1. Pile foundations come in various specifications, but the positioning sleeve has a fixed inner diameter, making it difficult to accurately fit and prevent wear on pile foundations of different specifications, resulting in poor applicability and significant friction during guidance; 2. Unevenness is inevitable in the foundation pit ground, which can easily cause the guiding device to tilt, severely affecting the guiding work and reducing its accuracy. Therefore, this application proposes a positioning and guiding device for foundation pit support construction to solve the aforementioned problems. Utility Model Content

[0004] The purpose of this utility model is to provide a positioning and guiding device for foundation pit support construction, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a positioning and guiding device for foundation pit support construction, comprising:

[0006] The L-shaped side panels are arranged in two sets symmetrically. The front part of the side of the two L-shaped side panels that are close to each other is set as an inclined surface, and the two inclined surfaces are symmetrically arranged.

[0007] The bidirectional transverse guide thread drive support assembly is installed between the rear parts of two L-shaped side plates that are close to each other. Its left end extends out to the outside of the left L-shaped side plate and is fixedly connected to a rocker plate. A rectangular plug for an electric wrench is fixedly connected to the center of the left side of the rocker plate. The rectangular plug for an electric wrench is designed to allow personnel to directly drive the rocker plate to rotate quickly by inserting an external electric wrench.

[0008] The movable seats consist of two sets and are fixedly connected to the front side of the bidirectional transverse guide thread drive support assembly; the bidirectional transverse guide thread drive support assembly is used to drive the two movable seats to move close to or repel each other when the rocker is turned.

[0009] The V-shaped clamps consist of four sets, each fixedly connected in pairs to one side of the two moving seats. The two V-shaped clamps facing each other are symmetrically arranged. Two positioning balls are movably embedded in the inner walls of the opposing sides, the front inner wall, and the rear inner wall of the two opposing V-shaped clamps. The four V-shaped clamps are used to drive the sixteen positioning balls to move towards the middle and divide into upper and lower points to clamp and position the foundation pit support piles when the two moving seats move close together. By utilizing the friction of multiple positioning balls to rotate, the foundation pit support piles are vertically anti-wear and vertically guided while being clamped and positioned.

[0010] The threaded vertical guide support adjustment assembly consists of four sets, each fixedly connected in pairs to the opposing sides of the two L-shaped side plates. The threaded vertical guide support adjustment assembly is used to allow personnel to perform appropriate leveling work when the entire device becomes tilted and unstable due to uneven ground in the foundation pit.

[0011] Preferably, the bidirectional transverse guide thread drive support assembly includes a U-shaped seat, a rectangular telescopic rubber sleeve, two rectangular sliding sleeves, two sliders, two first screws, and two transverse guide rods. The U-shaped seat is welded and fixed between the rear parts of the two adjacent L-shaped side plates. The two rectangular sliding sleeves are slidably fitted on the outside of the U-shaped seat. The two transverse guide rods are fixedly connected between the inner walls of the two sides of the U-shaped seat. The two sliders are slidably fitted on the two transverse guide rods. The sliders are fixedly connected between the top and bottom inner walls of the corresponding rectangular sliding sleeves. The two first screws are rotatably installed on the inner walls of the two sides of the U-shaped seat. The ends of the two first screws that are close to each other are fixedly connected. The threads of the two first screws have opposite directions. The left end of the first screw located on the left side movably passes through the left L-shaped side plate and is fixedly connected to the right side of the rocker plate. The rectangular telescopic rubber sleeve is fixedly connected between the two adjacent sides of the two rectangular sliding sleeves. The rectangular telescopic rubber sleeve is movably fitted on the outside of the corresponding U-shaped seat. The rectangular sliding sleeve is fixedly installed with the movable seat.

[0012] Preferably, the threaded vertical guide support adjustment assembly includes a rectangular tube, a rectangular rod, a support foot, and a T-shaped screw. The four sets of rectangular tubes are fixedly connected in pairs to the opposing sides of the two L-shaped side plates. The top of the rectangular tube is set as a sealing structure. The rectangular rod is slidably sleeved in the corresponding rectangular tube. The T-shaped screw is rotatably embedded in the top of the corresponding rectangular tube. The rectangular rod is threaded onto the corresponding T-shaped screw. The support foot is fixedly connected to the bottom of the corresponding rectangular rod. A rubber pad is glued and fixed to the bottom of the support foot.

[0013] Preferably, two bubble levels are fixedly connected to the top of the L-shaped side plate, and the two bubble levels located on the top of the same L-shaped side plate are arranged in the left-right and front-back directions respectively.

[0014] Preferably, threaded holes are provided on the adjacent sides of the two sliders, and the threaded holes are threadedly connected to the corresponding first screw.

[0015] Preferably, the left rear part of the L-shaped side plate on the left side is provided with a movable through hole for the first screw on the left side to move through.

[0016] Preferably, the top end of the rectangular rod has a threaded through hole that is threaded to the corresponding T-shaped screw.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. Through the combination of the L-shaped side plate, movable seat, V-shaped clamp, positioning ball, rocker plate, electric wrench rectangular plug and bidirectional horizontal guide thread drive support assembly, it can drive the four V-shaped clamps to move close to each other to adjust the clamp spacing, so as to drive multiple positioning balls to surround and fit the outer side of the pile foundation for wear-resistant guidance, so as to achieve the effect of convenient and applicable precise fit and wear-resistant positioning guidance for various specifications of pile foundations, improve applicability, reduce friction during guidance and improve the smoothness of guidance;

[0019] 2. By using the L-shaped side plate, bubble level, and threaded vertical guide support adjustment components, the entire device can be appropriately adjusted when the ground is uneven, avoiding the impact of severe tilt on the guiding work and further improving the guiding accuracy.

[0020] This utility model, through a series of structures, can drive four V-shaped clamps to move close together to adjust the clamping distance, thereby driving multiple positioning balls to form a surrounding fit with the outside of the pile foundation, achieving a wear-resistant guiding function. It can not only easily adapt to various specifications of pile foundations and achieve a precise fit and wear-resistant positioning guiding effect to improve applicability, but also reduce the friction during guiding to enhance the smoothness of guiding. At the same time, the entire device can be appropriately adjusted when the ground is uneven to avoid serious tilting affecting the guiding work, further improving the guiding accuracy. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a positioning and guiding device for foundation pit support construction proposed in this utility model;

[0022] Figure 2 This is a top sectional view of the positioning and guiding device for foundation pit support construction proposed in this utility model.

[0023] Figure 3 A three-dimensional structural diagram of a rectangular sliding sleeve, a slider, a horizontal guide rod, and a first screw connecting piece for a positioning and guiding device for foundation pit support construction proposed in this utility model;

[0024] Figure 4 This is a cross-sectional view of the threaded vertical guide support adjustment component of a positioning and guiding device for foundation pit support construction proposed in this utility model.

[0025] In the diagram: 1. L-shaped side plate; 2. Movable seat; 201. V-shaped clamp; 202. Positioning ball; 3. Return-shaped seat; 301. Rectangular sliding sleeve; 302. Horizontal guide rod; 303. Slider; 304. First screw; 305. Rectangular telescopic rubber sleeve; 306. Rocking plate; 307. Rectangular buckle plug for electric wrench; 4. Rectangular tube; 401. Rectangular rod; 402. Support leg; 403. T-shaped screw; 5. Bubble level. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] like Figures 1 to 4 As shown in the figure, the positioning and guiding device for foundation pit support construction proposed in this embodiment includes:

[0028] L-shaped side panels 1, which are two sets and symmetrically arranged, with the front part of the side of the two L-shaped side panels 1 that are close to each other being set as inclined surfaces, and the two inclined surfaces being symmetrically arranged;

[0029] A bidirectional transverse guide thread drive support assembly is installed between the rear parts of two adjacent L-shaped side plates 1. Its left end extends movably out of the left L-shaped side plate 1 and is fixedly connected to a rocker plate 306. An electric wrench rectangular plug 307 is fixedly connected to the center of the left side of the rocker plate 306. The electric wrench rectangular plug 307 is provided to allow personnel to directly drive the rocker plate 306 to rotate quickly by inserting an external electric wrench.

[0030] The movable seats 2 are in two sets and fixedly connected to the front side of the bidirectional transverse guide thread drive support assembly; the bidirectional transverse guide thread drive support assembly is used to drive the two movable seats 2 to move close to or repel each other when the rocker 306 is rotated.

[0031] The V-shaped clamps 201 consist of four sets, each fixedly connected in pairs to one side of the two movable seats 2. The two V-shaped clamps 201 are symmetrically arranged with opposite sides. Two positioning balls 202 are movably embedded in the inner wall of the opposing side, the front inner wall, and the rear inner wall of the two opposing V-shaped clamps 201. The four V-shaped clamps 201 are used to drive the sixteen positioning balls 202 to the middle to divide into upper and lower points for clamping and positioning the foundation pit support piles when the two movable seats 2 move close together. By utilizing the friction of multiple positioning balls 202 to rotate, vertical anti-wear and vertical guidance work is achieved for the foundation pit support piles while clamping and positioning.

[0032] The threaded vertical guide support adjustment assembly consists of four sets, each fixedly connected in pairs to the opposing sides of the two L-shaped side plates 1; the threaded vertical guide support adjustment assembly is provided for personnel to perform appropriate leveling work when the entire device tilts and becomes unstable due to uneven ground in the foundation pit.

[0033] In this embodiment, two bubble levels 5 are fixedly connected to the top of the L-shaped side plate 1. The two bubble levels 5 located on the top of the same L-shaped side plate 1 are set in the left-right and front-back directions respectively. The bubble levels 5 set in the front-back and left-right directions make it convenient for personnel to judge whether the entire device is tilted or level.

[0034] Furthermore, such as Figure 1 , 2 As shown in Figure 3, the bidirectional transverse guide thread drive support assembly includes a U-shaped seat 3, a rectangular telescopic rubber sleeve 305, two rectangular sliding sleeves 301, two sliders 303, two first screws 304, and two transverse guide rods 302. The U-shaped seat 3 is welded and fixed between the rear parts of the two adjacent L-shaped side plates 1. The two rectangular sliding sleeves 301 are slidably sleeved on the outside of the U-shaped seat 3. The two transverse guide rods 302 are fixedly connected between the inner walls of the two sides of the U-shaped seat 3. The two sliders 303 are slidably sleeved on the two transverse guide rods 302. The sliders 303 are fixedly connected between the top inner wall and the bottom inner wall of the corresponding rectangular sliding sleeve 301. The first screw 304 is rotatably installed on the inner walls of both sides of the circular seat 3. The two first screws 304 are fixedly connected at their close ends. The threads of the two first screws 304 are in opposite directions. The left end of the first screw 304 on the left side moves through the L-shaped side plate 1 on the left side and is fixedly connected to the right side of the rocker plate 306. The rectangular telescopic rubber sleeve 305 is fixedly connected between the two rectangular sliding sleeves 301 on their close sides. The rectangular telescopic rubber sleeve 305 is movably sleeved on the outside of the corresponding circular seat 3. The rectangular sliding sleeve 301 is fixedly installed with the movable seat 2 by welding. The slider 303 is threadedly fitted on the first screw 304.

[0035] In this embodiment, threaded holes are provided on the adjacent sides of the two sliders 303, and the threaded holes are threadedly connected to the corresponding first screws 304. The threaded connection between the first screws 304 and the threaded holes, combined with the opposite screw directions of the two first screws 304, facilitates the driving of the two sliders 303 to move closer or further apart when the two first screws 304 rotate. A movable through hole is provided on the left rear part of the L-shaped side plate 1 on the left side for the left first screw 304 to pass through. Two horizontal guide holes are provided on one side of the slider 303, each slidingly fitted to the outer side of the corresponding horizontal guide rod 302, serving as a lateral sliding guide for the slider 303. The two first screws 304 are located between the two horizontal guide rods 302. Circular through holes are provided on the inner walls of both sides of the recessed seat 3. A first bearing is fixedly fitted inside the circular through hole, and the inner ring of the first bearing is fixedly connected to the outer side of the corresponding first screw 304, serving as a rotatable mounting mechanism for the first screw 304.

[0036] In this embodiment, the rotary seat 3, rectangular telescopic rubber sleeve 305, two rectangular sliding sleeves 301, two sliders 303, two first screws 304, and two horizontal guide rods 302 cooperate to rotate the rocker 306. When the rocker 306 is rotated, the rocker 306 drives the two first screws 304 to rotate. The rotation of the two first screws 304 drives the two sliders 303 to slide close to or repel each other on the two horizontal guide rods 302. The two sliders 303 drive the two rectangular sliding sleeves 301 to move close to or repel each other. The two rectangular sliding sleeves 301 are used to drive the two moving seats 2 to move close to or repel each other.

[0037] Furthermore, such as Figure 1 , 2 As shown in Figure 4, the threaded vertical guide support adjustment assembly includes a rectangular tube 4, a rectangular rod 401, a support leg 402, and a T-shaped screw 403. The four sets of rectangular tubes 4 are fixedly connected in pairs to the opposing sides of the two L-shaped side plates 1. The top of the rectangular tube 4 is set as a sealing structure. The rectangular rod 401 is slidably sleeved in the corresponding rectangular tube 4. The T-shaped screw 403 is rotatably embedded in the top of the corresponding rectangular tube 4. The rectangular rod 401 is threaded on the corresponding T-shaped screw 403. The support leg 402 is fixedly connected to the bottom of the corresponding rectangular rod 401. A rubber pad is glued and fixed to the bottom of the support leg 402.

[0038] In this embodiment, the top end of the rectangular rod 401 is provided with a threaded through hole that is threadedly connected to the corresponding T-shaped screw 403. The threaded connection between the T-shaped screw 403 and the threaded through hole facilitates the vertical displacement of the rectangular rod 401 when the T-shaped screw 403 rotates. The top end of the rectangular tube 4 is provided with a round through hole, and two second bearings are fixedly sleeved in the round through hole. The inner side of the inner ring of the second bearing is fixedly connected to the outer side of the corresponding T-shaped screw 403, which facilitates the rotational installation of the T-shaped screw 403. The outer side of the rectangular rod 401 is provided with a limit groove, and a limit block is fixedly connected to the inner wall of the rectangular tube 4 and slidably connected to the corresponding limit groove, which serves to limit and prevent the rectangular rod 401 from detaching.

[0039] In this implementation scheme, the rectangular tube 4, rectangular rod 401, support leg 402 and T-shaped screw 403 work together. When the T-shaped screw 403 is rotated, it rotates within the corresponding rectangular rod 401 and drives the rectangular rod 401 to slide up or down within the rectangular tube 4. The rectangular rod 401 drives the corresponding support leg 402 to move vertically. By utilizing the method that the vertical position of the four support legs 402 can be adjusted individually, personnel can perform appropriate leveling work when the entire device is tilted and unstable due to uneven ground in the foundation pit.

[0040] It should be noted that the following components are all made of stainless steel: the retaining seat 3, rectangular sliding sleeve 301, slider 303, first screw 304, horizontal guide rod 302, electric wrench rectangular plug 307, rectangular tube 4, rectangular rod 401, and T-shaped screw 403. The outer thread clearance of the first screw 304 and T-shaped screw 403 is 0.2-0.35mm, which is a high wear-resistant and load-bearing specification. The stainless steel material has the advantages of high hardness, high wear resistance, and good maintenance-free effect, which ensures the stability of connection and drive support.

[0041] The usage method of this embodiment is as follows: When using the positioning and guiding device for foundation pit support construction, the pile foundation to be guided is moved directly from front to back between the two V-shaped clamps 201. It can be placed from the bottom without hoisting, which makes it easier for the pile foundation to enter the work. Then, the rocker plate 306 is rotated in the forward direction. Personnel can also use the insertion head of the external electric wrench to insert into the rectangular plug 307 of the electric wrench. The external electric wrench can be used to drive the rocker plate 306 to rotate quickly through the rectangular plug 307 of the electric wrench, so as to better rotate the rocker plate 306 and make it convenient for personnel to apply it flexibly according to the site.

[0042] When the rocker plate 306 rotates, it drives the two first screws 304 to rotate. The rotation of the two first screws 304 drives the two sliders 303 to slide close to each other on the two horizontal guide rods 302. The two sliders 303 drive the two rectangular sliding sleeves 301 to slide close to each other on the circular seat 3, and compress the rectangular telescopic rubber sleeve 305. The two rectangular sliding sleeves 301 drive the two moving seats 2 to move close to each other. The two moving seats 2 drive the sixteen positioning balls 202 to split into two points at the middle through four V-shaped clamps 201 to clamp and position the foundation pit support piles. By using the friction of multiple positioning balls 202 to rotate, the foundation pit support piles are precisely fitted and vertically anti-wear guided while clamping and positioning. The adjustable spacing of the four V-shaped clamps 201, combined with the multiple positioning balls 202 surrounding the anti-wear guide, achieves the effect of convenient and applicable precise fitting and anti-wear positioning guide for various specifications of piles, improves applicability, reduces friction during guidance, and improves the smoothness of guidance.

[0043] When the clamping state needs to be released after subsequent use, the rocker 306 is rotated in the opposite direction. Similarly, the movement direction is completely opposite to that of rotating the rocker 306 in the forward direction. At this time, the two rectangular sliding sleeves 301 change to repulsive movement and stretch the rectangular telescopic rubber sleeve 305 to reset. At this time, the two moving seats 2 change to repulsive movement and drive the four V-shaped clamps 201 to move repulsively, releasing the clamping positioning state. The stretched and reset rectangular telescopic rubber sleeve 305 can shield and protect the inside of the U-shaped seat 3 when not in use, reducing the phenomenon that the first screw 304 is exposed to the outside for a long time when not in use and is gradually blocked by splashed impurities. This improves the safety when not in use during transportation or long-term storage.

[0044] The bubble level 5, positioned in both front-to-back and left-to-right directions, facilitates personnel in determining whether the entire device is tilted or level. When the device tilts due to uneven ground in the foundation pit, the T-shaped screw 403 at the corresponding position is rotated, causing it to rotate within the corresponding rectangular rod 401 and drive the rectangular rod 401 to slide upwards or downwards within the rectangular tube 4. The rectangular rod 401 then drives the corresponding support leg 402 to move vertically. By allowing the vertical positions of the four support legs 402 to be adjusted individually, personnel can perform appropriate leveling work when the device becomes unstable due to uneven ground in the foundation pit. This achieves the effect of making appropriate adjustments to the entire device when the ground is uneven, avoiding the impact of severe tilting on the guiding work and further improving the guiding accuracy.

[0045] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model 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 make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A positioning and guiding device for foundation pit support construction, comprising an L-shaped side plate (1), characterized in that: include: L-shaped side plates (1) are arranged in two sets and symmetrically. The front part of the side of the two L-shaped side plates (1) that are close to each other is set as an inclined surface, and the two inclined surfaces are arranged symmetrically. The bidirectional transverse guide thread drive support assembly is installed between the rear of the two L-shaped side plates (1) on the same side. Its left end extends out to the left side L-shaped side plate (1) and is fixedly connected to a rocker plate (306). An electric wrench rectangular plug (307) is fixedly connected to the center of the left side of the rocker plate (306). The movable seat (2) consists of two sets and is fixedly connected to the front side of the bidirectional transverse guide thread drive support assembly; The V-shaped clamps (201) are in four groups and are fixedly connected in pairs to the side of the two movable seats (2) that are close to each other. The two V-shaped clamps (201) that are opposite to each other are symmetrically arranged. The inner wall of the opposite V-shaped clamps (201) on the side that is in opposition, the front inner wall and the rear inner wall are movably fitted with two positioning balls (202). The threaded vertical guide support adjustment assembly consists of four sets, which are fixedly connected in pairs to the opposing sides of the two L-shaped side plates (1).

2. The positioning and guiding device for foundation pit support construction according to claim 1, characterized in that: The bidirectional transverse guide thread drive support assembly includes a ring seat (3), a rectangular telescopic rubber sleeve (305), two rectangular sliding sleeves (301), two sliders (303), two first screws (304), and two transverse guide rods (302). The ring seat (3) is welded and fixed between the rear parts of the two L-shaped side plates (1) on their adjacent sides. The two rectangular sliding sleeves (301) are slidably sleeved on the outside of the ring seat (3). The two transverse guide rods (302) are fixedly connected between the inner walls of the two sides of the ring seat (3). The two sliders (303) are slidably sleeved on the two transverse guide rods (302). The sliders (303) are fixedly connected to the corresponding rectangular sliding sleeves (301, 302, 303, 304, 305, 306, 307, 308, 309, 30 ... 1) Between the top inner wall and the bottom inner wall, two first screws (304) are rotatably installed on the inner walls of the two sides of the ring seat (3). The two first screws (304) are fixedly connected at their close ends. The threads of the two first screws (304) are opposite. The left end of the first screw (304) on the left side moves through the left L-shaped side plate (1) and is fixedly connected to the right side of the rocker plate (306). The rectangular telescopic rubber sleeve (305) is fixedly connected between the two rectangular sliding sleeves (301) on their close sides. The rectangular telescopic rubber sleeve (305) is movably sleeved on the outside of the corresponding ring seat (3). The rectangular sliding sleeve (301) is fixedly installed with the movable seat (2).

3. The positioning and guiding device for foundation pit support construction according to claim 1, characterized in that: The threaded vertical guide support adjustment assembly includes a rectangular tube (4), a rectangular rod (401), a support foot (402), and a T-shaped screw (403). The four sets of rectangular tubes (4) are fixedly connected in pairs to the opposing sides of the two L-shaped side plates (1). The top of the rectangular tube (4) is set as a sealing structure. The rectangular rod (401) is slidably sleeved in the corresponding rectangular tube (4). The T-shaped screw (403) is rotatably embedded in the top of the corresponding rectangular tube (4). The rectangular rod (401) is threaded on the corresponding T-shaped screw (403). The support foot (402) is fixedly connected to the bottom of the corresponding rectangular rod (401). A rubber pad is glued and fixed to the bottom of the support foot (402).

4. The positioning and guiding device for foundation pit support construction according to claim 1, characterized in that: Two bubble levels (5) are fixedly connected to the top of the L-shaped side plate (1). The two bubble levels (5) located on the top of the same L-shaped side plate (1) are set in the left-right and front-back directions respectively.

5. The positioning and guiding device for foundation pit support construction according to claim 2, characterized in that: Both sliders (303) have threaded holes on their adjacent sides, and the threaded holes are threadedly connected to the corresponding first screw (304).

6. The positioning and guiding device for foundation pit support construction according to claim 2, characterized in that: The left rear part of the L-shaped side plate (1) located on the left side has a movable through hole for the first screw (304) on the left side to move through.

7. The positioning and guiding device for foundation pit support construction according to claim 3, characterized in that: The top end of the rectangular rod (401) is provided with a threaded through hole that is threadedly connected to the corresponding T-shaped screw (403).

Images