CN221346961U - Grouting device for construction joint in tunnel - Google Patents

Abstract

The utility model provides a construction joint slip casting device in tunnel, includes the construction joint, and the construction joint front end is equipped with the fixed slot, and the fixed slot is the recess of reserving when pouring concrete, pre-buried in the construction joint has a play thick liquid pipe, and play thick liquid pipe lateral wall is connected with the connecting pipe, and the joint has fixed establishment in the fixed slot, and fixed establishment bottom rigid coupling has adjustment mechanism, adjustment mechanism intercommunication connecting pipe and slip casting pipe one end, and the slip casting pipe other end is connected with the presser. The adjusting mechanism is positioned in the tunnel, so that the condition that the adjusting mechanism slides downwards due to the fact that the side wall of the tunnel is an arc surface is avoided, and grouting construction can be stably performed without manually holding a grouting pipe; the grouting pipes are connected with the pressurizer, the pressurizer can directly perform grouting operation on all grouting pipes at the same time, after each grouting pipe is in threaded connection with the connecting pipe, the pressurizer is started, the grouting pipes are used for driving the slurry into the grouting pipes, and the plurality of groups of slurry are mutually pressed in the grouting pipes, so that the slurry can quickly flow into the construction joint from the grouting holes, grouting construction is quickly completed, and grouting efficiency is improved.

Description

Grouting device for construction joint in tunnel

Technical Field

The utility model relates to the technical field of tunnel waterproofing, in particular to a grouting device for a construction joint in a tunnel.

Background

In concrete pouring engineering, a facility working seam is often required to be reserved at a proper position of a structure, and quality hidden troubles such as structural cracking and surface water leakage are easy to occur at the position of the working seam due to the influence of factors such as construction reasons, worker level and the like. In tunnel construction, waterproof grade is higher, needs to carry out slip casting construction and satisfies waterproof grade demand.

The patent with publication number CN217354403U discloses a grouting device for a construction joint in a tunnel, which comprises a grouting unit; the grouting units are arranged along the long axis of the construction joint and comprise grouting pipes and grouting guide pipes; the grouting pipe is arranged in the side wall of the tunnel above the construction joint along the long axial direction of the construction joint; the pipe wall of the grouting pipe is provided with two grouting pipes at intervals, the two grouting pipes are respectively connected to the plugging sleeve, one end of each grouting pipe is communicated with the grouting pipe, and the other end of each grouting pipe extends out of the inner side surface of the side wall of the tunnel; anchoring pieces are respectively connected to two sides of the grouting pipe at intervals along the long axial direction of the grouting pipe; the anchoring piece is fixedly connected with the side wall of the tunnel through a fastening piece.

The utility model discloses a grouting device, which is characterized in that when in use, grouting holes are needed to be respectively used for grouting one by one, the grouting efficiency is low, and the construction speed is low.

Disclosure of utility model

The utility model aims to overcome the defects of the conditions, and aims to provide a grouting device for a construction joint in a tunnel, which can perform grouting rapidly and improve the construction efficiency.

The utility model provides a construction joint slip casting device in tunnel, includes construction joint, its characterized in that: the grouting device is characterized in that a fixed slot is formed in the front end of the construction joint, a grouting pipe is embedded in the construction joint, a connecting pipe is connected to the side wall of the grouting pipe, a fixing mechanism is clamped in the fixed slot, an adjusting mechanism is fixedly connected to the bottom of the fixing mechanism, the adjusting mechanism is communicated with the connecting pipe and one end of the grouting pipe, and the other end of the grouting pipe is connected with a pressurizer.

Further, fixed establishment includes expansion plate, curb plate, telescopic link, bracing piece and regulation pole, the expansion plate both sides are all extensible, the curb plate rigid coupling in the both ends of expansion plate, the telescopic link establish two altogether, the telescopic link rigid coupling in the inner wall of curb plate, the one end that the curb plate was kept away from to the telescopic link is equipped with first bevel gear, the bracing piece rigid coupling in the expansion plate middle part, adjust the pole rotate connect in the bracing piece, the one end of adjusting the pole is equipped with the second bevel gear, first bevel gear with second bevel gear intermeshing.

Further, the telescopic rod comprises a fixed end and an extension end, wherein the fixed end is in threaded connection with the extension end, and the extension end is fixedly connected with the side plate.

Further, the adjusting mechanism comprises an arc-shaped plate, a sliding groove and a connecting block, wherein the sliding groove is formed in the middle of the arc-shaped plate, and the connecting block is connected with the sliding groove in a sliding mode.

Further, a through hole is formed in the connecting block, the front end of the grouting pipe is a hard pipe, the rear end of the grouting pipe is a hose, and the front end of the grouting pipe penetrates through the through hole and is in threaded connection with the connecting pipe.

Further, the pulp outlet pipe is a bendable hard pipe, and a plurality of pulp outlet holes are formed in the side wall of the pulp outlet pipe.

Further, the end part of the connecting pipe is provided with threads, and the end part of the connecting pipe can be in threaded connection with a sealing cap.

Further, the outer wall of the construction joint is coated with a layer of waterproof paint.

Compared with the prior art, the utility model has the beneficial effects that:

① After fixing the fixed establishment, adjustment mechanism also fixes a position in the tunnel, has avoided leading to adjustment mechanism gliding because of the tunnel lateral wall is the cambered surface, and when the higher position slip casting of tunnel simultaneously, the slip casting construction that carries out that need not the manual work and hold slip casting pipe can be stable.

② The grouting pipes are connected with the pressurizer, the pressurizer can directly perform grouting operation on all grouting pipes at the same time, after each grouting pipe is in threaded connection with the connecting pipe, the pressurizer is started, the grouting pipes are used for driving the slurry into the grouting pipes, and the plurality of groups of slurry are mutually pressed in the grouting pipes, so that the slurry can quickly flow into the construction joint from the grouting holes, grouting construction is quickly completed, and grouting efficiency is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

Fig. 1 is a schematic diagram of the overall structure of a grouting device for a construction joint in a tunnel.

Fig. 2 is a sectional view of a grouting device for a construction joint in a tunnel.

Fig. 3 is a schematic view of a fixing mechanism of a grouting device for a construction joint in a tunnel.

In the figure: 1. a construction joint; 2. a fixing groove; 3. a slurry outlet pipe; 31. a pulp outlet hole; 32. a connecting pipe; 4. a fixing mechanism; 41. a telescoping plate; 42. a side plate; 43. a telescopic rod; 431. a fixed end; 432. an elongated end; 433. a first bevel gear; 44. a support rod; 45. an adjusting rod; 451. a second bevel gear; 5. an adjusting mechanism; 51. an arc-shaped plate; 52. a chute; 53. a connecting block; 6. grouting pipe; 7. a pressurizer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 2, the grouting device for the construction joint in the tunnel comprises a construction joint 1, wherein a fixed slot 2 is arranged at the front end of the construction joint 1, the fixed slot 2 is a groove reserved when concrete is poured, a grouting pipe 3 is embedded in the construction joint 1, a connecting pipe 32 is connected to the side wall of the grouting pipe 3, a fixing mechanism 4 is clamped in the fixed slot 2, an adjusting mechanism 5 is fixedly connected to the bottom of the fixing mechanism 4, the adjusting mechanism 5 is communicated with one end of the connecting pipe 32 and one end of a grouting pipe 6, and the other end of the grouting pipe 6 is connected with a pressurizer 7.

The construction joint 1 is a gap between two construction sections of concrete, a layer of waterproof coating is firstly coated on the position of the construction joint 1 after one construction section is completed before the next construction section is operated, the waterproof coating is preferably permeable crystallization, the permeable crystallization is coated to strengthen the waterproof effect of the construction joint 1 more in one step, the grouting pipe 3 and the connecting pipe 32 are pre-buried into the construction joint 1 before the concrete of the next construction section is poured, the front end of the connecting pipe 32 is positioned in the fixed groove 2 during pre-burying, the connecting pipe 32 is a hard pipe, the front end port part of the connecting pipe 32 is provided with threads, the grouting pipe 6 can be connected at the position, the grouting pipe 6 can be plugged by a screw-connection sealing cap after the grouting is finished, and if the grouting is incomplete, the sealing cap can be unscrewed for secondary grouting.

As shown in fig. 3, the fixing mechanism 4 includes expansion plate 41, curb plate 42, telescopic link 43 and regulation pole 45, expansion plate 41 middle part is fixed, expansion plate 41 both sides all can extend, curb plate 42 rigid coupling is in the both ends of expansion plate 41, curb plate 42 changes the position along with the expansion of expansion plate 41, two are established altogether to telescopic link 43, telescopic link 43 includes stiff end 431 and extension end 432, stiff end 431 spiro union is in extension end 432, extension end 432 and curb plate 42 rigid coupling, the one end that telescopic link 43 kept away from curb plate 42 is equipped with first bevel gear 433, two first bevel gear 433 subtend are placed, bracing piece 44 rigid coupling is in expansion plate 41 middle part, bracing piece 44 is located the part that telescopic link 41 does not remove, regulation pole 45 rotation is connected in bracing piece 44, bracing piece 44 provides the position support for regulation pole 45, the one end of regulation pole 45 is equipped with second bevel gear 451, first bevel gear 433 and second bevel gear 451 intermesh, use electric tool drive regulation pole 45 rotation in regulation pole 45 rear end, the stiff end 431 rotates the back drive extension end 432 and stretches out and draws back, thereby drive curb plate 42 moves, after curb plate 42 and fixed slot 2's inner wall laminating, make side plate 42 and fixed slot 2 inside fixed slot 4, the fixed grouting mechanism is realized in the fixed slot 5, the fixed slot 5 has been realized, simultaneously, the fixed grouting mechanism is fixed in the fixed slot 5 has been fixed in the fixed slot 5, and has been fixed in the fixed slot 5.

The adjusting mechanism 5 comprises an arc plate 51, a sliding groove 52 and a connecting block 53, wherein the arc plate 51 is attached to the inner wall of a tunnel, the part, which is not moved, of the arc plate 51 and the middle part of the expansion plate 41 is welded, after the fixing mechanism 4 is fixed in position, the position of the arc plate 51 is determined at the same time, the sliding groove 52 is arranged in the middle part of the arc plate 51, the connecting block 53 is connected with the sliding groove 52 in a sliding manner, the surface of the contact part of the connecting block 53 and the sliding groove 52 is rough, larger friction force is generated, the connecting block 53 can not slide for a large distance due to vibration during grouting, a through hole is formed in the connecting block 53, the front end of a grouting pipe 6 passes through the through hole and is in threaded connection with the connecting pipe 32, the connecting block 53 drives the grouting pipe 6 to slide to the position corresponding to the connecting pipe 32, the grouting pipe 6 is in threaded connection with the connecting pipe 32, the front end of the grouting pipe 6 is a hard pipe, the hard pipe part passes through the connecting block 53, the rear end of the grouting pipe 6 is a hose, the hose part is convenient to adjust the position of the grouting pipe 6 according to the position of the connecting pipe 32, a small number of turns can not cause internal blocking when the hose rotates for the hose to be in threaded connection, the grouting pipe 6 can normally pass through slurry, when grouting operation is performed, the intermittent pressure is applied by the pressurizer 7, vibration is generated, vibration between the position of the grouting pipe 32 can be reduced, and vibration influence on the connecting pipe 32 is reduced, and vibration can be caused, and vibration influence on the position is caused by vibration.

The grout outlet pipe 3 is a bendable hard pipe, the grout outlet pipe 3 is bent into an arc suitable for a tunnel when being pre-buried, a plurality of grout outlet holes 31 are formed in the side wall of the grout outlet pipe 3, and grout flows into the construction joint 1 from the grout outlet holes 31 after reaching a certain pressure in the grout outlet pipe 3.

The grouting pipes 6 are connected with the pressurizer 7, the pressurizer 7 can directly perform grouting operation on all grouting pipes 6 at the same time, after each grouting pipe 6 is in threaded connection with the connecting pipe 32, the pressurizer 7 is started, the grouting pipes 6 drive the slurry into the grouting pipe 3, multiple groups of slurry are mutually pressed in the grouting pipe 3, the slurry rapidly flows into the construction joint 1 from the grouting holes 31, grouting construction is rapidly completed, grouting efficiency is improved, the grouting pipes 6 are screwed out after grouting is completed to be separated from the connecting pipe 32, and a sealing cap is screwed on the connecting pipe 32.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a construction joint slip casting device in tunnel, includes construction joint (1), its characterized in that: the utility model discloses a grouting device, including construction joint (1), grouting pipe (6), connecting pipe (7), fixed establishment (4), adjustment mechanism (5) are fixed establishment (4) bottom rigid coupling, adjustment mechanism (5) intercommunication connecting pipe (32) and grouting pipe (6) one end, grouting pipe (6) other end is connected with pressurizer (7), construction joint (1) front end is equipped with fixed slot (2), pre-buried in construction joint (1) have a grouting pipe (3), grouting pipe (3) lateral wall is connected with connecting pipe (32), the joint has fixed establishment (4) in fixed slot (2).

2. The grouting device for construction joints in tunnels according to claim 1, wherein: fixed establishment (4) are including expansion plate (41), curb plate (42), telescopic link (43), bracing piece (44) and regulation pole (45), expansion plate (41) both sides all can extend, curb plate (42) rigid coupling in both ends of expansion plate (41), two are established altogether to telescopic link (43), telescopic link (43) rigid coupling in the inner wall of curb plate (42), the one end that curb plate (42) was kept away from to telescopic link (43) is equipped with first bevel gear (433), bracing piece (44) rigid coupling in expansion plate (41) middle part, regulation pole (45) rotate connect in bracing piece (44), the one end of regulation pole (45) is equipped with second bevel gear (451), first bevel gear (433) with second bevel gear (451) intermeshing.

3. The grouting device for construction joints in tunnels according to claim 2, wherein: the telescopic rod (43) comprises a fixed end (431) and an extension end (432), wherein the fixed end (431) is in threaded connection with the extension end (432), and the extension end (432) is fixedly connected with the side plate (42).

4. The grouting device for construction joints in tunnels according to claim 1, wherein: the adjusting mechanism (5) comprises an arc-shaped plate (51), a sliding groove (52) and a connecting block (53), wherein the sliding groove (52) is formed in the middle of the arc-shaped plate (51), and the connecting block (53) is connected with the sliding groove (52) in a sliding mode.

5. The grouting device for construction joints in tunnels according to claim 4, wherein: the connecting block (53) is provided with a through hole, the front end of the grouting pipe (6) is a hard pipe, the rear end of the grouting pipe (6) is a hose, and the front end of the grouting pipe (6) passes through the through hole and is in threaded connection with the connecting pipe (32).

6. The grouting device for construction joints in tunnels according to claim 1, wherein: the slurry outlet pipe (3) is a bendable hard pipe, and a plurality of slurry outlet holes (31) are formed in the side wall of the slurry outlet pipe (3).

7. The grouting device for construction joints in tunnels according to claim 1, wherein: the end part of the connecting pipe (32) is provided with threads, and the end part of the connecting pipe (32) can be connected with a sealing cap in a threaded manner.

8. The grouting device for construction joints in tunnels according to claim 1, wherein: and the outer wall of the construction joint (1) is coated with a layer of waterproof paint.