CN218454712U

CN218454712U - Inclined deviation correcting device for slot hole of impervious wall

Info

Publication number: CN218454712U
Application number: CN202222869808.6U
Authority: CN
Inventors: 范庭梧; 罗金贵; 王晓平; 杜红桥; 张文匡; 孔余; 周小平; 任萍; 邱梦茹; 高金良; 谢文昊; 李雷
Original assignee: Sinohydro Foundation Engineering Co Ltd
Current assignee: Sinohydro Foundation Engineering Co Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-02-07
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a diaphragm wall slot hole deviation correcting device, which comprises a fixed shaft, a limiting structure and a locking mechanism, wherein the fixed shaft is provided with a first end and a second end which are opposite to each other, the fixed shaft is used for being transversely arranged above a diaphragm wall guide slot, and the fixed shaft is used for being abutted against one side of a drilling tool steel wire rope; the limiting structure is arranged at the second end; locking mechanism detachably install in first end, locking mechanism is used for with first end locking is on drilling platform car girder to make the fixed axle is in drilling platform car girder position on the length direction is adjustable. The utility model discloses technical scheme can reduce the oblique risk in hole about taking place in the cut-off wall grooving work progress, convenient to use, and safe and reliable utilize old and useless goods and materials can make processing cost low economic price.

Description

Inclined deviation correcting device for slot hole of impervious wall

Technical Field

The utility model relates to a cut-off wall, ground are wall concrete construction field even, in particular to oblique deviation correcting device in cut-off wall slot hole.

Background

The diaphragm wall of the hydraulic and hydroelectric engineering is used as an important facility of a diaphragm system of a hydraulic junction, the construction of a main hole is firstly carried out and then the construction of an auxiliary hole is carried out when the diaphragm wall is constructed at present, and particularly, the construction is carried out by adopting percussion drilling in the main hole construction of the diaphragm wall. In the groove forming construction of the impervious wall, the situation that the hole positions incline left and right often occurs, and further construction progress and construction quality are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cut-off wall slot hole deviation correcting device to one side aims at reducing the oblique risk of hole about taking place in the cut-off wall grooving work progress.

In order to achieve the above object, the utility model provides an oblique deviation correcting device in cut hole of cut-off wall, include:

the fixing shaft is provided with a first end and a second end which are opposite, the fixing shaft is used for being transversely arranged above the impervious wall guide groove, and the fixing shaft is used for abutting against one side of the steel wire rope of the drilling tool;

the limiting structure is arranged at the second end; and

and the locking mechanism is detachably arranged at the first end and used for locking the first end on a girder of the drilling platform vehicle, so that the position of the fixed shaft in the length direction of the girder of the drilling platform vehicle is adjustable.

Optionally, the oblique deviation correcting device in impervious wall slot hole still includes the leading wheel, the leading wheel is followed the length direction movably of fixed axle install in on the fixed axle, and be located first end with between the second end, the week side of leading wheel has the spacing groove, the spacing groove is the edge the annular of the circumference extension of leading wheel, the spacing groove is used for supplying drilling tool wire rope to put into.

Optionally, the second end is provided with a jack, the limiting structure is provided with a limiting rod, and the limiting rod is inserted into the jack.

Optionally, one end of the limiting rod, which penetrates out of the insertion hole, extends downwards, and the lower end of the limiting rod is used for abutting against the edge part of the cut-off wall guide groove.

Optionally, the retaining structure is welded to the second end.

Optionally, the stop structure is removably mounted to the second end.

Optionally, the oblique deviation correcting device in prevention of seepage wall slot hole still includes the oblique deviation correcting device in front and back hole, the oblique deviation correcting device in front and back hole includes:

the supporting frame is arranged below the fixed shaft and comprises two parallel mounting shafts and a connecting rod for connecting the two mounting shafts, and the two mounting shafts are used for being transversely arranged above the anti-seepage wall guide groove;

the middle part of each mounting shaft is provided with a plurality of bearings, the plurality of bearings on each mounting shaft are sequentially distributed along the length direction of the mounting shaft, and the plurality of bearings on the two mounting shafts are arranged in a one-to-one correspondence manner; and

and one end of the adjusting shaft is selectively installed in one of the bearings on one of the installation shafts, the other end of the adjusting shaft is selectively installed in one of the bearings on the other installation shaft, so that the installation position of the adjusting shaft in the length direction of the installation shaft is adjustable, and the adjusting shaft is used for abutting against one side of the drill steel wire rope.

Optionally, the cut-off wall slot hole inclination correcting device further includes a rotating drum, and the rotating drum is movably sleeved outside the adjusting shaft and located between the two mounting shafts.

Optionally, each of the mounting shafts is provided with two limiting brackets, and the two limiting brackets on each of the mounting shafts are used for extending into the cut-off wall guide groove to limit the movement of the mounting shaft along the width direction of the cut-off wall guide groove.

The utility model discloses technical scheme installs the first end detachably of fixed axle on drilling platform car girder through locking mechanism, like this when using, can be according to the slotted hole about the slope condition adjustment fixed axle position on drilling platform car girder length direction, can adjust the fixed axle about the ascending position of side realize controlling the hole skew correction (for example when the work progress mesopore inclines towards left, make drilling tool wire rope locate the right side of fixed axle, after moving the fixed axle towards right to suitable position, pay on drilling platform car girder through locking mechanism with the first end lock of fixed axle, thereby realize the left-hand hole skew correction, and when the work progress mesopore inclines towards right, make drilling tool wire rope locate the left side of fixed axle, after moving the fixed axle towards left to suitable position, pay on drilling platform car girder through locking mechanism with the first end lock of fixed axle, thereby realize the right-hand hole skew correction). Therefore, the deviation of the left and right hole inclination can be corrected in time in the diaphragm wall grooving construction process, and the risk of the left and right hole inclination in the diaphragm wall grooving construction process is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of the device for correcting the inclination of the slot hole of the diaphragm wall according to the present invention;

FIG. 2 is a schematic structural view of the cut-off wall slotted hole inclination correcting device shown in FIG. 1 installed at a guide groove;

fig. 3 is a schematic structural view of another embodiment of the device for correcting the inclination of the slot hole of the diaphragm wall of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Supporting frame	511	First end
11	Mounting shaft	512	Second end
				12	Connecting rod	52	Limiting structure
13	Limiting bracket	521	Rod part
				131	Limiting rod	53	Locking mechanism
132	Reinforcing bar	54	Guide wheel
				20	Adjusting shaft	61	Anti-seepage wall guide groove
30	Rotary drum	62	Girder of drilling machine platform vehicle
				40	Bearing assembly	63	Steel wire rope for drilling tool
51	Fixed shaft

The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a cut-off wall slot hole deviation correcting device to one side.

In the embodiment of the present invention, as shown in fig. 1 to fig. 3, the deviation rectifying device for the inclined holes of the cut-off wall includes a deviation rectifying device for the inclined holes of the front and the rear, the deviation rectifying device for the inclined holes of the front and the rear includes a supporting frame 10, an adjusting shaft 20 and a plurality of bearings 40, the supporting frame 10 includes two parallel mounting shafts 11 and a connecting rod 12 connecting the two mounting shafts 11, and the two mounting shafts 11 are used for being horizontally arranged above the cut-off wall guide groove 61; the middle part of each mounting shaft 11 is provided with a plurality of bearings 40, the bearings 40 on each mounting shaft 11 are sequentially distributed along the length direction of the mounting shaft 11, and the bearings 40 on the two mounting shafts 11 are arranged in a one-to-one correspondence manner; one end of the adjusting shaft 20 is selectively mounted in one of the bearings 40 on one of the mounting shafts 11, and the other end of the adjusting shaft 20 is selectively mounted in one of the bearings 40 on the other mounting shaft 11, so that the mounting position of the adjusting shaft 20 in the longitudinal direction of the mounting shaft 11 is adjustable, and the adjusting shaft 20 is adapted to abut on one side of the tool wire 63.

Specifically, the one ends of the two mounting shafts 11 are connected through the connecting rod 12, and the other ends of the two mounting shafts 11 are provided with openings, so that the drilling tool wire rope 63 enters between the two mounting shafts 11. When the support frame 10 is installed at the cut-off wall guide groove 61, the two mounting shafts 11 are placed horizontally above the cut-off wall guide groove 61, that is, the two mounting shafts 11 extend in the width direction (front-rear direction) of the guide groove, and the plurality of bearings 40 on each mounting shaft 11 are sequentially distributed in the width direction (front-rear direction) of the guide groove. When the adjustment shaft 20 is mounted in the bearings 40 of the two mounting shafts 11, the adjustment shaft 20 extends in the longitudinal direction (left-right direction) of the guide groove. By mounting the adjustment shaft 20 in different bearings 40, the adjustment shaft 20 can be positioned at different positions in the width direction (front-rear direction) of the guide groove.

For example, when the hole is inclined forward during construction, the drill wire 63 is abutted on the rear side of the adjustment shaft 20, and the adjustment shaft 20 is installed in the rear bearing 40, thereby achieving the forward inclined hole correction. And when the hole is inclined backward during construction, the drill wire 63 is abutted on the front side of the adjustment shaft 20 and the adjustment shaft 20 is installed in the front bearing 40, thereby achieving backward inclined hole correction.

The utility model discloses technical scheme is through being equipped with two installation axles 11 that are parallel mutually at support frame 10 to all be equipped with a plurality of bearings 40 at every middle part of installing axle 11, every is installed a plurality of bearings 40 on the axle 11 and all distributes along the length direction who installs axle 11 in proper order, and two are installed a plurality of bearings 40 one-to-one settings on the axle 11. When in use, the two mounting shafts 11 can be transversely arranged above the diaphragm wall guide groove 61, and the adjusting shafts 20 can be mounted in the corresponding bearings 40 according to the hole inclination direction, so that the front and rear hole inclination correction is realized. Therefore, front and rear hole inclination correction can be timely carried out in the diaphragm wall grooving construction process, and the risk of front and rear hole inclination in the diaphragm wall grooving construction process is reduced. When the adjusting shaft 20 is installed in the bearing 40, the adjusting shaft 20 can move back and forth through the bearing 40, and the adjusting shaft 20 can rotate when the drill steel wire rope 63 moves up and down, so that friction between the adjusting shaft 20 and the drill steel wire rope 63 can be reduced, abrasion between the adjusting shaft 20 and the drill steel wire rope 63 can be reduced, and the service life can be prolonged.

In some embodiments, the device for correcting deviation of slot hole of an anti-seepage wall further includes a first limiting member (not shown) welded or detachably mounted at one end of the adjusting shaft 20, and a second limiting member (not shown) detachably mounted at the other end of the adjusting shaft 20, and the first limiting member and the second limiting member are used to limit the adjusting shaft 20 in the bearing 40 together. When the adjusting device is used, the first limiting member may be firstly installed on the adjusting shaft 20, the second limiting member may be removed, the adjusting shaft 20 is inserted into the bearings 40 of the two installation shafts 11, and then the second limiting member is installed on the adjusting shaft 20, so as to limit the adjusting shaft 20 in the bearings 40 together with the first limiting member, thereby preventing the adjusting shaft 20 from falling off during the use process. By the arrangement, the diaphragm wall slotted hole inclination correcting device can be conveniently assembled and disassembled, and the abrasion between the adjusting shaft 20 and the bearing 40 can be reduced when the diaphragm wall slotted hole inclination correcting device is frequently used. Of course, in other embodiments, the adjusting shaft 20 may be prevented from falling off by tightly fitting the adjusting shaft 20 with the inner ring of the bearing 40.

In some embodiments, the bearings 40 on the two mounting shafts 11 are located between the first limiting member and the second limiting member. The first limiting member and the second limiting member are located outside the bearing 40, so that when the adjusting shaft 20 is installed, the bearing 40 on any one of the installation shafts 11 can be installed, and the adjusting shaft 20 can directly penetrate out of the bearing 40 on the other installation shaft 11, which facilitates the assembling and disassembling of the adjusting shaft 20.

In other embodiments, the first limiting member and the second limiting member are both located between the two mounting shafts 11. Specifically, the first limiting member and the second limiting member are both spaced from the end of the adjustment shaft 20. During installation, the first limiting member may be first installed on the adjusting shaft 20, the second limiting member may be removed, one end of the adjusting shaft 20, on which the second limiting member is installed, is first inserted into the bearing 40 of one of the installation shafts 11, then one end, on which the first limiting member is installed, is inserted into the bearing 40 of the other installation shaft 11, and finally the second limiting member is installed on the adjusting shaft 20.

The first position-limiting member may be a steel pipe or a steel bar. The second limiting member may be a steel bar, a bolt, or the like, for example, the second end 512 has a screw hole or an insertion hole, and the second limiting member is correspondingly installed in the screw hole or the insertion hole.

In some embodiments, the device for correcting the inclination of the slot hole of the diaphragm wall further comprises a rotating drum 30, wherein the rotating drum 30 is movably sleeved outside the adjusting shaft 20 and is located between the two mounting shafts 11. Specifically, the drum 30 can rotate, so that when the drill wire rope 63 moves up and down, the drum 30 can also rotate, thereby further reducing the friction between the adjusting shaft 20 and the drill wire rope 63, reducing the abrasion between the adjusting shaft 20 and the drill wire rope 63, and being beneficial to prolonging the service life.

In some embodiments, two limiting brackets 13 are disposed on each mounting shaft 11 of the mounting rack, and the two limiting brackets 13 on each mounting shaft 11 are used for extending into the diaphragm wall guide groove 61 to limit the movement along the width direction of the diaphragm wall guide groove 61. When the support frame 10 is installed at the position of the cut-off wall guide groove 61, the limiting support 13 on the installation shaft 11 is located in the cut-off wall guide groove 61, and therefore when the support frame 10 moves in the front-back direction, the limiting support 13 can abut against the groove wall of the guide groove, the support frame 10 can be limited to move in the front-back direction, and the installation stability of the support frame 10 is improved. Of course, in other embodiments, the support frame 10 may be prevented from moving forward and backward by pressing the support frame 10 against the bottom surface with a weight.

In some embodiments, the spacing bracket 13 includes a spacing rod 131 and a reinforcing rod 132, the spacing rod 131 is vertically mounted to the mounting shaft 11, and the reinforcing rod 132 connects the spacing rod 131 and the mounting shaft 11 to form a triangular support structure. So set up, can strengthen spacing support 13's structural strength, reduce spacing support 13 and warp or cracked risk in the use, promoted support frame 10 and used the reliability.

In some embodiments, the stiffening rod 132, the restraining rod 131 and the mounting shaft 11 are welded to one another. This can make the connection between stiffener 132, gag lever post 131 and the installation axle 11 stable, has reduced the risk of fracture between stiffener 132, gag lever post 131 and the installation axle 11. Of course, in other embodiments, the reinforcing rod 132, the limiting rod 131 and the mounting shaft 11 may be fixed by screws.

In some embodiments, the mounting shaft 11, the connecting rod 12, and the adjustment shaft 20 are all made of steel tubing. The device can be processed by utilizing waste materials such as steel pipes, reinforcing steel bars, rotating shafts and the like in a construction site, and is simple to process, low in manufacturing cost, economical and durable.

In some embodiments, the cut-off wall slotted hole inclination correcting device comprises a left and right hole inclination correcting device, the left and right hole inclination correcting device comprises a fixed shaft 51, a limiting structure 52 and a locking mechanism 53, the fixed shaft 51 has a first end 511 and a second end 512 which are opposite, the fixed shaft 51 is used for being transversely arranged above the cut-off wall guide groove 61, and the fixed shaft 51 is used for abutting against one side of the drilling tool steel wire rope 63; the stop structure 52 is disposed at the second end 512 and the locking mechanism 53 is removably mounted to the first end 511. The locking mechanism 53 is adapted to lock the first end 511 to the drilling platform girder 62 such that the position of the fixed axle 51 is adjustable along the length of the drilling platform girder 62.

Specifically, the first end 511 of the stationary shaft 51 is mounted to the drill floor frame 62 by the locking mechanism 53 such that the stationary shaft 51 is positioned laterally above the cut-off wall guide channel 61, i.e., the stationary shaft 51 extends in the width direction (front-rear direction) of the guide channel, and the length direction of the drill floor frame 62, i.e., the length direction of the guide channel, i.e., the left-right direction.

In use, the first end 511 of the fixed axle 51 is removably mounted to the drill floor truck frame 62 by the locking mechanism 53, allowing the position of the fixed axle 51 to be adjusted according to the inclination of the slot to the left or right. For example, when the hole is inclined to the left during construction, the drill wire rope 63 is arranged on the right side of the fixed shaft 51, and after the fixed shaft 51 is moved to the right to a proper position, the first end 511 of the fixed shaft 51 is locked on the girder 62 of the drilling platform vehicle through the locking mechanism 53, so that the left inclined hole is corrected. When the hole inclines to the right in the construction process, the drilling tool steel wire rope 63 is arranged on the left side of the fixed shaft 51, the fixed shaft 51 is moved to the left to a proper position, and then the first end 511 of the fixed shaft 51 is locked on the girder 62 of the drilling platform vehicle through the locking mechanism 53, so that the right inclined hole is corrected.

The utility model discloses technical scheme installs the first end 511 of fixed axle 51 detachably on drilling platform car girder 62 through locking mechanism 53, when using like this, can adjust the position of fixed axle 51 on drilling platform car girder 62 length direction according to the slotted hole left and right sides slope condition, can adjust fixed axle 51 and realize controlling the hole skew (for example when the construction process mesopore inclines towards left, make drilling tool wire rope 63 locate the right side of fixed axle 51, move fixed axle 51 towards right behind the suitable position, lock the first end 511 of fixed axle 51 and pay on drilling platform car girder 62 through locking mechanism 53, thereby realize the left side hole and rectify, and when the construction process mesopore inclines towards right, make drilling tool wire rope 63 locate the left side of fixed axle 51, move fixed axle 51 towards left behind the suitable position, lock the first end 511 of fixed axle 51 and pay on drilling platform car girder 62 through locking mechanism 53, thereby realize the right side hole and rectify). Therefore, the deviation of the left hole and the right hole can be corrected in time in the diaphragm wall grooving construction process, and the risk of the left hole and the right hole inclining in the diaphragm wall grooving construction process is reduced.

The locking mechanism 53 may be a fastener, or the locking mechanism 53 may include a mounting rail for mounting the drill platform truck beam 62 and a fixing member mounted to the fixed shaft 51, the mounting rail extending along a length of the drill platform truck beam 62, the fixing member being locked to the mounting rail by a threaded fastener. The locking mechanism 53 may also be a clip or the like.

In some embodiments, the device for correcting the inclination of the slot hole of the impervious wall further comprises a guide wheel 54, the guide wheel 54 is movably mounted on the fixed shaft 51 along the length direction of the fixed shaft 51 and is located between the first end 511 and the second end 512, the guide wheel 54 has a limiting groove on the periphery, the limiting groove is in the shape of a ring extending along the periphery of the guide wheel 54, and the limiting groove is used for placing the drill steel wire rope 63. Specifically, when the drilling tool steel wire rope 63 moves up and down, the guide wheel 54 can be driven to rotate under the action of friction force, so that the friction force between the drilling tool steel wire rope 63 and the guide wheel 54 is small, the abrasion of the drilling tool steel wire rope 63 can be reduced, and the influence of the anti-seepage wall slotted hole inclination correcting device on the drilling tool steel wire rope 63 can be reduced. And the arrangement of the limiting groove can better limit the drilling tool steel wire rope 63 in the limiting groove, prevent the drilling tool steel wire rope 63 from being separated from the guide wheel 54, and improve the use reliability of the anti-seepage wall slot hole inclination correcting device. Of course, in other embodiments, a rotatable sleeve may be disposed around the stationary shaft 51, and the drill wire 63 may contact the sleeve.

In some embodiments, the second end 512 is provided with a socket, and the position-limiting structure 52 has a rod portion 521, and the rod portion 521 is inserted into the socket. Therefore, the limiting structure 52 and the fixed shaft 51 can be conveniently positioned and installed, the contact area between the limiting structure and the fixed shaft can be increased, and the structural stability is improved. Of course, in other embodiments, the limiting structure 52 can be welded to the surface of the fixed shaft 51 or the limiting structure 52 can be integrally formed at the second end 512 of the fixed shaft 51.

In some embodiments, the stem 521 extends downward from the end of the receptacle, and the lower end of the stem 521 is adapted to abut against the edge portion of the diaphragm wall guide 61. This can effectively support the fixed shaft 51, and reduce the risk of the fixed shaft 51 being bent.

In some embodiments, the restraint structure 52 is welded to the second end 512. This can make the stopper structure 52 stable.

In some embodiments, the stop structure 52 is removably mounted to the second end 512. Thus, the guide wheel 54 can be conveniently detached, and the use convenience is improved.

In some embodiments, the stationary shaft 51 is made of steel tubing. The device can be processed by utilizing waste materials such as steel pipes, reinforcing steel bars, rotating shafts and the like in a construction site, and is simple to process, low in manufacturing cost, economical and durable.

In some embodiments, the deviation correcting device for the hole inclination of the slot hole of the cut-off wall comprises a left deviation correcting device and a right deviation correcting device and a front deviation correcting device and a rear deviation correcting device, and when in use, the supporting frame 10 is arranged below the fixed shaft 51 at intervals, so that the left deviation correcting device and the right deviation correcting device and the front deviation correcting device and the rear deviation correcting device can be simultaneously realized.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The utility model provides an oblique deviation correcting device in cutoff wall slot hole which characterized in that includes:

the limiting structure is arranged at the second end; and

2. The device for correcting the inclination of a slot hole of an impervious wall according to claim 1, further comprising a guide wheel movably mounted on the fixed shaft along the length direction of the fixed shaft and located between the first end and the second end, wherein a limiting groove is formed on the periphery of the guide wheel, the limiting groove is in a ring shape extending along the circumferential direction of the guide wheel, and the limiting groove is used for placing a steel wire rope of a drilling tool.

3. The device for correcting the inclination of the slot hole of the impervious wall according to claim 2, wherein the second end is provided with a jack, the limiting structure is provided with a limiting rod, and the limiting rod is inserted into the jack.

4. The device for correcting the inclination of the hole of the diaphragm wall slot according to claim 3, wherein the end of the limiting rod, which penetrates out of the insertion hole, extends downwards, and the lower end of the limiting rod is used for abutting against the edge part of the diaphragm wall slot.

5. A diaphragm wall slotted hole deviation rectifying device according to any one of claims 1 to 4, wherein said limiting structure is welded to said second end.

6. The device for correcting deviation of a slotted hole of an impervious wall according to any one of claims 1 to 4, wherein the limiting structure is detachably mounted at the second end.

7. The apparatus of claim 1, further comprising a front and rear deviation correcting device, the front and rear deviation correcting device comprising:

8. The apparatus according to claim 7, further comprising a rotating drum movably sleeved on the adjusting shaft and located between the two mounting shafts.

9. The device for correcting the inclination of the slot hole of the diaphragm wall according to claim 7, wherein two limit brackets are provided on each mounting shaft, and each two limit brackets on each mounting shaft are used for extending into the diaphragm wall guide slot to limit the movement of the mounting shaft along the width direction of the diaphragm wall guide slot.