JP3235897U - Double lock tube casing for pre-boring construction - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a double lock tube casing for preboring construction, which improves a problem that a hole is easily crushed when a drill pipe is pulled out.
SOLUTION: The first casing 1 and the second casing 2 are installed in parallel with each other, and a pair of first connecting plates 11 are fixedly connected to the outer wall of the top of the first casing. , A second connecting plate 12 is fixedly connected to each side of the first connecting plate away from the first casing, and a fastening block 3 is connected to the outer wall of the top of the second casing. , The engagement block is arranged in a space surrounded by a first casing, a first connection plate and a second connection plate, and one side of the engagement block away from the first casing is a second connection plate. One side of the anchoring block close to the first casing abuts on the outer wall of the first casing.
[Selection diagram] Fig. 1

Description

The present application relates to the field of building construction, especially to a double lock tube casing for preboring construction.

In the process of construction, pile driving work by pre-boring on the underwater riverbed may be required depending on the construction requirements in different situations.

Currently, in the underwater pre-boring process, a hammer drill is usually used to drill a hole in the underwater riverbed, and the upper part of the riverbed is often a boulder layer, and the lower part of the cobblestone layer is a sludge layer. The drill pipe of the hammer drill passes through the ball stone layer and reaches the sludge layer, and then the drill pipe continues to move downward, continues to drill holes in the sludge layer, and after the drilling is completed, the drill pipe is drilled. Complete the pulling out and pre-boring work.

In the above-mentioned related technology, in addition to the case where the distance between the two holes is too close, the impact of the water flow on the boulder layer causes the hole to collapse in the process of pulling out the drill pipe, which further affects the progress of construction. there is a possibility.

The present application provides a double lock tube casing for preboring construction in order to improve the problem that the hole is easily crushed when the drill pipe is pulled out.

The double lock tube casing for pre-boring construction provided in the present application employs the following technical solutions.

The double lock tube casing for preboring construction includes a first casing and a second casing installed in parallel with each other, and a pair of first connecting plates is fixed to the outer wall of the top of the first casing. A second connecting plate is fixedly connected to each side of the first connecting plate away from the first casing of each of the first connecting plates, and an anchoring block is connected to the outer wall of the top of the second casing. The anchoring block is arranged in a space surrounded by a first casing, a first connection plate and a second connection plate, and one side of the engagement block away from the first casing is a second connection. One side of the anchoring block that abuts on the plate and is close to the first casing abuts on the outer wall of the first casing.

By adopting the above technical solution, the anchoring block is arranged in the space surrounded by the first casing, the first connecting plate and the second connecting plate, and the first casing and the second casing are arranged. And are installed parallel to each other, and if pre-boring is required, the first casing and the second casing are placed in the ball stone layer, one drill pipe is placed vertically in the first casing and the other drill. The pipe is placed vertically in the second casing, the two drill pipes are pre-bored downward at the same time, and as the drill pipe moves, the first casing and the second casing are vertically inserted into the holes drilled by the drill pipe. It is inserted downward along the direction, the first casing and the second casing move downward along with the drill pipe to perform preboring work, and the first casing and the second casing are drilled by the drill pipe. It has the effect of reducing the possibility of the hole being crushed in the process of supporting the hole and pulling out the drill pipe.

By installing the first casing and the second casing in parallel, the first casing and the second casing can be restricted from each other, and the first casing or the second casing moves downward. It reduces the possibility of tilting and ensures the verticality of the two holes drilled by the drill pipe during the pre-boring process as much as possible.

Selectably, an expansion / contraction mechanism for connecting the engagement block and the second casing is provided between the second casing and the engagement block.

If it is necessary to adjust the distance between the first casing and the second casing according to the situation of the construction site by adopting the above technical solution, the telescopic assembly can be used for the anchoring block and the second casing. By adjusting the distance between the casings, the distance between the first casing and the second casing is changed.

Optionally, the telescopic mechanism includes a first connecting rod that is fixedly connected to one side of the engagement block close to the second casing, with the second connecting rod on the outer wall of the second casing. On one side of the first connecting rod, which is fixedly connected and close to the second casing of the first connecting rod, a connecting groove for slidably inserting the second connecting rod is provided inwardly. The connection rod is provided with a plurality of first connection holes along the longitudinal direction of the first connection rod, and the second connection rod has a plurality of second connection holes of the second connection rod. An insertion rod is inserted into the first connection hole and the second connection hole which are provided along the longitudinal direction and have the same axis, and a stop block is fixed to one end of the insertion rod. The stop block abuts on the outer wall of the first connecting rod.

By adopting the above technical solution, the anchoring block and the second casing can be provided by adjusting the total length of the first connecting rod and the second connecting rod according to the actual requirement. Adjust the distance between them, and then pass the insertion rod through the first connection hole and the second connection rod to fix the first connection rod and the second connection rod, complete the adjustment work, and make the adjustment. The process is convenient.

A lock assembly for fixing the insertion rod is connected to the insertion rod so as to be selectable.

By adopting the above technical solutions, the lock assembly secures the attachment rod and increases the stability when the insertion rod is inserted into the first connection hole.

Optionally, the lock assembly includes an anchoring ball that abuts on one side away from the stop block of the first connecting rod, to which a pair of anchoring pieces capable of elastic deformation are fixed. The attachment rod is provided with an insertion hole for engaging the engagement piece.

By adopting the above technical solution, when the attachment rod is inserted into the first connection hole, the engagement piece is inserted into the insertion hole, and the engagement piece is passed through the insertion hole, the engagement piece is engaged. The deformation of the attachment piece is recovered, the engagement piece is attached to the insertion rod, and the engagement ball abuts on the vertical outer wall of the first connecting rod to fix the insertion rod, and the fixing process is convenient.

Optionally, the lock assembly includes a fixing rod that is installed vertically, the top of the mounting rod is provided with an inward insertion groove into which the fixing rod is inserted, and the fixing rod is a second. It abuts on one side away from the stop block of the connecting rod of 1.

By adopting the above technical solution, when the insertion rod is inserted into the first connection hole and then the fixing rod is inserted into the insertion groove, the fixing rod hits the vertical outer wall of the first connection rod. The insertion rod is fixed in contact, and the fixing process is convenient.

Selectably, the fixing rod is an iron rod, and a magnet abutting on the fixing rod is fixedly attached to the bottom of the insertion groove.

By adopting the above technical solution, the magnet is attracted to the fixing rod, and the magnet increases the stability when the fixing rod is inserted into the first connecting hole.

Tightening bolts are optionally screwed onto each of the second connecting plates, the tightening bolts abutting one side away from the first casing of the engagement block.

By adopting the above technical solution, when the tightening bolt is tightened when the fastening block comes into contact with one side of the second connecting plate close to the first casing, the tightening bolt is brought into close contact with the fastening block. The tightening bolt secures the fastening block and increases the stability when the fastening block abuts on the second connecting plate.

A support plate is fixedly connected between the first connecting plate and the first casing so as to be selectable.

By adopting the above technical solutions, the support plate increases the stability when the first connecting plate is connected to the first casing.

In summary, the present application includes at least one beneficial effect:
1. 1. The first casing and the second casing are inserted downward along the vertical direction into the holes drilled by the drill pipe, and the first casing and the second casing move downward along with the drill pipe for preboring. By performing the work, the first casing and the second casing support the hole drilled by the drill pipe, and have the effect of reducing the possibility that the hole is crushed in the process of pulling out the drill pipe.
2. 2. After inserting the attachment rod into the first connection hole, the anchoring piece is inserted into the insertion hole, and the engagement piece is passed through the insertion hole. Is attached to the attachment rod, and the attachment ball abuts on the vertical outer wall of the first connecting rod to fix the attachment rod, and the fixing process is convenient.

It is a structural schematic diagram of Example 1 of this application. It is a schematic diagram which embodies the first connection hole in Example 1. FIG. It is a structural schematic diagram which embodies the stop block in Example 1. FIG. It is a structural schematic diagram which embodies the support plate in Example 1. FIG. It is a structural schematic diagram of Example 2 of this application. It is a structural schematic diagram which embodies the magnet in Example 2. FIG.

Hereinafter, the present application will be described in more detail with reference to FIGS. 1 to 6.

The embodiments of the present application disclose a double lock tube casing for pre-boring construction.

(Example 1)
As shown in FIG. 1, the double lock tube casing includes a first casing 1 and a second casing 2, and the first casing 1 and the second casing 2 are installed in parallel. Two pairs of first connecting plates 11 are fixedly connected to the top of the outer wall of the first casing 1, and two pairs of first connecting plates 11 are located on both sides of the first casing 1, respectively. A second connecting plate 12 is fixedly connected to each side surface of the first connecting plate 11 away from the first casing 1, and the two second connecting plates 12 located on the same side are connected to each other. It is installed toward one side that is close to each other. The space between the first connecting plate 11, the second connecting plate 12, and the first casing 1 located on the same side surrounds the cavity, and there is a gap between the two second connecting plates 12. Is left.

A pair of engagement blocks 3 are provided on the outer wall of the top of the second casing 2, and the two engagement blocks 3 are located on both sides of the second casing 2, respectively. An expansion / contraction mechanism 4 is provided between each of the engagement blocks 3 and the second casing 2, and the expansion / contraction mechanism 4 connects the engagement block 3 and the second casing 2.

When it is necessary to perform pre-boring, the casing block 3 is inserted downward from above the first connecting plate 11 into the space surrounded by the first connecting plate 11 and the second connecting plate 12, and engaged. The landing block 3 abuts on one side of the second connecting plate 12 close to the first casing 1, and one side of the engagement block 3 close to the first casing 1 abuts on the vertical outer wall of the first casing 1. ..

As shown in FIG. 1, the lower surfaces of the first casing 1 and the second casing 2 are brought into contact with the upper surface of the ball stone layer, the drill pipe is vertically inserted into the first casing 1, and the other drill pipe is placed in the first casing. Put it vertically in the casing 2 of 2. The two drill pipes are pre-boring downward at the same time, and as the drill pipe moves downward, the first casing 1 and the second casing 2 also move downward.

The first casing 1 and the second casing 2 are inserted into the boulder layer, and the first casing 1 and the second casing 2 perform preboring work in the process of moving downward along with the drill pipe. The first casing 1 and the second casing 2 support the holes drilled by the drill pipe and reduce the possibility of the holes being crushed when the drill pipe is pulled out.

Clay is poured into the first casing 1 and the second casing 2, the first casing 1 and the second casing 2 are pulled out, and the clay is left in the hole excavated by the drill pipe, followed by the first casing. Subsequent pre-boring work is continued by the casing 1 and the second casing 2.

The first casing 1 and the second casing 2 are installed in parallel, and the first casing 1 and the second casing 2 move vertically downward at the same time to perform preboring work, and the first casing 1 and the second casing 2 are installed. The second casing 2 is mutually restrictive, reducing the possibility of the first casing 1 or the second casing 2 tilting as it moves downwards, and two drilled by a drill pipe during the pre-boring process. It also has the effect of ensuring the verticality of the holes as much as possible.

A process in which a plurality of first casings 1 and second protectors 2 are alternately installed according to actual processing requirements, and the first casing 1 and the second casing 2 are sequentially connected to perform preboring. Therefore, the plurality of first casings 1 and the second casing 2 can be moved downward at the same time, improving the work efficiency in the pre-boring construction process.

As shown in FIGS. 1 and 2, when it is necessary to increase the distance between the first casing 1 and the second protector 2 according to a specific construction requirement, the engagement block is provided by the expansion / contraction mechanism 4. The distance between the 3 and the second casing 2 is adjusted, and the distance between the first casing 1 and the second casing 2 is further adjusted.

The expansion / contraction mechanism 4 includes a first connecting rod 41 fixedly connected to one side of the engagement block 3 close to the second casing 2, and is attached to one side of the second casing 2 close to the engagement block 3. The second connecting rod 42 is fixedly connected. A connection groove 411 is provided inward on one side of the first connection rod 41 close to the second connection rod 42, and the second connection rod 42 is slidably inserted into the connection groove 411. ..

As shown in FIGS. 2 and 3, a plurality of first connection holes 412 distributed at equal intervals are provided in the first connection rod 41, and the plurality of first connection holes 412 are the first connection rod 41. Distributed along the longitudinal direction, the first connecting hole 412 is installed so as to penetrate the first connecting rod 41. A plurality of second connection holes 421 distributed at equal intervals are provided in the second connection rod 42, and the plurality of second connection holes 421 are distributed along the longitudinal direction of the second connection rod 42, and the second connection rod 42 is provided. The connection hole 421 of the above is installed so as to penetrate the second connection rod 42.

The insertion rod 43 is inserted into one of the first connection holes 412, the stop block 431 is fixedly connected to the end of the insertion rod 43, and the stop block 431 is attached to the outer wall of the first connection rod 41. Contact. The insertion rod 43 also passes through the second connection hole 421, and the insertion rod 43 connects and fixes the first connection rod 41 and the second connection rod 42, so that the fixing process is convenient.

The lock assembly 44 is connected to one side of the attachment rod 43 away from the stop block 431, the lock assembly 44 secures the attachment rod 43, and is stable when the attachment rod 43 is inserted into the first connection hole 412. Increase sex.

As shown in FIGS. 2 and 3, the insertion rod 43 is provided with an insertion hole 432, the insertion hole 432 is arranged on one side away from the stop block 431, and the insertion hole 432 is the insertion rod 43. It is installed so as to penetrate. The lock assembly 44 includes the engagement ball 441, and a pair of engagement pieces 442 are fixedly connected to the engagement ball 441, and one side of the pair of engagement pieces 442 away from the engagement ball 441 is in an expanded state. The engagement piece 442 is elastically deformed by receiving a force, and the deformation can be recovered when the external force is lost. The engagement piece 442 is preferably an elastically deformable iron piece or a stainless spring.

When a pair of engagement pieces 442 are inserted into the insertion hole 432 and then the engagement piece 442 is passed through the insertion hole 432, the engagement piece 442 recovers from the deformation and the engagement piece 442 recovers the deformation. Stability when the engagement ball 441 abuts on the first connecting rod 41 to fix the insertion rod 43 and the insertion rod 43 is inserted into the first insertion hole 432. To increase.

If the distance between the engagement block 3 and the second casing 2 (see FIG. 1) needs to be adjusted, the engagement piece 442 is separated from the attachment rod 43, followed by the attachment rod 43 in the first position. The total length of the first connecting rod 41 and the second connecting rod 42 is adjusted as necessary, and further, between the engagement block 3 and the second casing 2. After adjusting the distance, the attachment rod 43 is subsequently inserted into the first connection hole 412 and the second connection hole 421, and the casing piece 442 is further attached to the attachment rod 43, so that the engagement block 3 and the second connection block 3 and the second are attached. The work of adjusting the distance between the casing 2 and the casing 2 of 2 is completed, and the adjustment process is convenient.

As shown in FIG. 4, the support plate 5 is fixedly connected between each of the first connection plates 11 and the first casing 1, and one side of the support plate 5 is connected to the first connection plate 11. One side of the support plate 5 that is fixedly connected and separated from the first connection plate 11 is fixedly connected to the outer wall of the first casing 1, and the support plate 5 has the first connection plate 11 as the first casing. Increases stability when connected to 1.

The implementation principle of the first embodiment is as follows. The lower surfaces of the first casing 1 and the second casing 2 are brought into contact with the upper surface of the ball stone layer, the drill pipe is vertically inserted into the first casing 1, and the other drill pipe is vertically inserted into the second casing 2. The two drill pipes are pre-bored downward at the same time, and as the drill pipe moves downward, the first casing 1 and the second casing 2 also move downward. The first casing 1 and the second casing 2 are inserted into the boulder layer, and the first casing 1 and the second casing 2 perform preboring work in the process of moving downward along with the drill pipe.

When pulling out the drill pipe, clay is poured into the first casing 1 and the second casing 2, the first casing 1 and the second casing 2 are pulled out, and the clay is left in the hole drilled by the drill pipe. Subsequently, the subsequent pre-boring work is continued by the first casing 1 and the second casing 2.

(Example 2)
As shown in FIGS. 5 and 6, unlike the first embodiment, in this embodiment, the insertion groove 433 is provided on the upper surface of the insertion rod 43, and the insertion groove 433 is located on one side away from the stop block 431. Be placed. The lock assembly 44 includes a vertically installed fixing rod 443 inserted in the insertion groove 433, the fixing rod 443 abuts on the vertical outer wall of the first connecting rod 41, and the fixing rod 443 is inserted. The landing rod 43 is fixed, and the fixing process is convenient.

The fixed rod 443 is an iron rod, and a magnet 444 is fixedly attached to the bottom of the insertion groove 433, the magnet 444 is attracted to the fixing rod 443, and the magnet 444 is inserted into the insertion groove 433 by the fixing rod 443. Increases stability when worn.

If the distance between the engagement block 3 and the second casing 2 (see FIG. 1) needs to be adjusted, the fixing rod 443 is separated from the attachment groove 433, followed by the attachment rod 43 in the first. Separated from the connection hole 412, the overall length of the first connection rod 41 and the second connection rod 42 is adjusted as necessary, and the distance between the engagement block 3 and the second casing 2 is further adjusted. Then, the attachment rod 43 is inserted into the first connection hole 412 and the second connection hole 421, and the fixing rod 443 is further attached to the attachment groove 433, so that the attachment block 3 and the second connection block 3 and the second are attached. The work of adjusting the distance to the casing 2 is completed, and the adjustment process is convenient.

A tightening bolt 6 is screwed to each of the second connecting plates 12, and when the engaging block 3 comes into contact with one side of the second connecting plate 12 close to the first casing 1, the tightening bolt 6 is attached. When tightened, the tightening bolt 6 comes into close contact with the engagement block 3, and the tightening bolt 6 fixes the engagement block 3 and stabilizes when the engagement block 3 abuts on the second connecting plate 12. Increase sex.

The above are all preferred embodiments of the present application and do not limit the scope of protection of the present application. Therefore, any equivalent changes made by the structure, shape and principle of the present application are within the scope of protection of the present application. Should be included in.

1, 1st casing, 11, 1st connection plate, 12, 2nd connection plate 2, 2nd casing 3, 3 engagement block 4, expansion / contraction mechanism, 41, 1st connection rod 411 , Connection groove, 412, first connection hole, 42, second connection rod, 421, second connection hole, 43, insertion rod, 431, stop block, 432, insertion hole, 433, insertion groove. , 44, lock assembly, 441, casing ball, 442, casing piece, 443, fixing rod, 444, magnet, 5, support plate, 6 tightening bolts.

Claims (9)

A pair of first connecting plates (11) are provided on the outer wall of the top of the first casing (1), which includes a first casing (1) and a second casing (2) installed in parallel with each other. A second connecting plate (12) is fixedly connected to each side of the first connecting plate (11) away from the first casing (1), and the second connecting plate (12) is fixedly connected. An anchoring block (3) is connected to the outer wall of the top of the casing (2), and the anchoring block (3) is the first casing (1), the first connecting plate (11), and the second connecting plate (2). One side of the anchoring block (3) separated from the first casing (1), which is arranged in the space surrounded by 12), abuts on the second connecting plate (12), and the engagement block (3) One side close to the first casing (1) of the first casing (1) abuts on the outer wall of the first casing (1).
Double lock tube casing for pre-boring construction. An expansion / contraction mechanism (4) for connecting the engagement block (3) and the second casing (2) is provided between the second casing (2) and the engagement block (3).
The double lock tube casing for preboring construction according to claim 1. The telescopic mechanism (4) includes a first connecting rod (41) fixedly connected to one side close to the second casing (2) of the engagement block (3), and the second casing (2). A second connecting rod (42) is fixedly connected to the outer wall of 2), and a second connecting rod (2) is connected to one side of the first connecting rod (41) close to the second casing (2). A connection groove (411) into which the 42) is slidably inserted is provided inward, and a plurality of first connection holes (412) are provided in the first connection rod (41). (41) is provided along the longitudinal direction, and the second connecting rod (42) is provided with a plurality of second connecting holes (421) along the longitudinal direction of the second connecting rod (42). An insertion rod (43) is inserted into the first connection hole (412) and the second connection hole (421) having the same axis, and an insertion rod (43) is inserted into one end of the insertion rod (43). , The stop block (431) is fixedly connected, and the stop block (431) abuts on the outer wall of the first connecting rod (41).
The double lock tube casing for preboring construction according to claim 2. A lock assembly (44) for fixing the insertion rod (43) is connected to the insertion rod (43).
The double lock tube casing for preboring construction according to claim 3. The lock assembly (44) includes an anchoring ball (441) that abuts on one side away from the block (431) of the first connecting rod (41), and the anchoring ball (441) undergoes elastic deformation. A possible pair of engagement pieces (442) are fixedly connected, and the attachment rod (43) is provided with an insertion hole (432) for engaging the engagement piece (442).
The double lock tube casing for preboring construction according to claim 4. The lock assembly (44) includes a fixing rod (443) installed vertically, and an insertion groove (433) for inserting the fixing rod (443) is inside the top of the insertion rod (43). Provided in the orientation, the fixing rod (443) abuts on one side away from the stop block (431) of the first connecting rod (41).
The double lock tube casing for preboring construction according to claim 4. The fixing rod (443) is an iron rod, and a magnet (444) abutting on the fixing rod (443) is fixedly attached to the groove bottom of the insertion groove (433).
The double lock tube casing for preboring construction according to claim 6. A tightening bolt (6) is screwed to each of the second connecting plates (12), and the tightening bolt (6) is placed on one side of the engagement block (3) away from the first casing (1). Contact,
The double lock tube casing for preboring construction according to claim 6. The support plate (5) is fixedly connected between the first connecting plate (11) and the first casing (1).
The double lock tube casing for preboring construction according to claim 5.

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