Secondary grouting equipment based on shield construction
By using secondary grouting equipment with an elastic holder and damping shaft structure in shield construction, the problem of quick connection between the grouting pipe and the grouting trolley is solved, the convenience and stability of the secondary grouting construction are achieved, and the construction efficiency is improved.
Patent Information
- Application Number
- CN202422591246.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-25
AI Technical Summary
During shield construction, due to space limitations, the grouting pipes and grouting trolleys of existing secondary grouting equipment need to be moved in batches, resulting in low construction efficiency and inconvenient connections, affecting the construction effect.
A secondary grouting equipment based on shield construction was designed. It adopted an elastic holder and damping shaft structure. The flange was connected by bolts and nuts to achieve quick connection between the grouting pipe and the secondary grouting trolley. The combination of the elastic holder and the connector was used to ensure the stable fixation of the grouting pipe.
It improves the convenience and efficiency of secondary grouting construction, reduces the instability and damage risk of slurry pipe connections, and ensures the continuity and reliability of construction.
Smart Images
Figure CN223447907U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to secondary grouting technical field, concretely is a kind of secondary grouting equipment based on shield construction. BACKGROUND
[0002] Shield tunnel boring machine is shield machine, is a kind of tunnel boring special engineering machinery, with excavation cutting soil, transport soil, assemble tunnel lining and measure guiding rectification etc., the basic working principle of shield machine is a cylindrical steel component along the tunnel axis forward advance to soil excavation, the shell of this cylindrical component is shield, it plays the role of temporary support to the tunnel section that has not been lined, bears the pressure of surrounding soil layer, sometimes also bears underground water pressure and keeps underground water outside.
[0003] Due to the size limit of shield machine, tunnel forming space is small, when secondary grouting is carried out in smaller tunnel, hand-push type grouting trolley is mostly used, however, due to the size of the secondary grouting slurry pipe is longer, so the slurry pipe and grouting trolley are mostly moved to secondary grouting point in batches, then the slurry pipe and grouting trolley are connected and combined in construction site, which reduces the secondary grouting construction effect, in view of the above situation, technical innovation is carried out on the basis of existing secondary grouting equipment based on shield construction. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of secondary grouting equipment based on shield construction to solve the problems raised in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of secondary grouting equipment based on shield construction, comprising:
[0006] Secondary grouting trolley and slurry pipe, the slurry outlet pipe of the secondary grouting trolley is communicated with first connecting flange, the inlet of the slurry pipe is communicated with second connecting flange, the connecting hole of the first connecting flange and second connecting flange is provided with bolt, the outer side wall of the bolt is screwed with nut, the nut is located at the right side of first connecting flange, wherein: the outer side wall of the slurry pipe is placed with fixed assembly.
[0007] Preferably, the fixing assembly comprises a connecting seat and an elastic clamping seat, an inner portion of the connecting seat is provided with a connecting head, a top portion of the connecting head is provided with a through hole penetratingly formed, a damping rotating shaft is arranged in the through hole, an outer side wall of the connecting head is provided with a connecting groove, the connecting groove is provided with a threaded hole, an outer side wall of the elastic clamping seat is provided with a connecting block, an inner side wall of the elastic clamping seat is provided with a through hole penetratingly formed, an outer side wall of the connecting block is provided with a counterbore, the through hole and the counterbore are communicated, the connecting block is inserted into the connecting groove, and a cross bolt is arranged in the counterbore and is screwed with the threaded hole.
[0008] Preferably, the connecting seat is uniformly arranged on the outer side wall of the connecting plate.
[0009] Preferably, a group of mounting grooves are formed on the upper and lower sides of the connecting head, and a group of positioning holes are formed on the upper and lower sides of the inner side wall of the connecting seat.
[0010] Preferably, the grout conveying pipe is clamped in the elastic clamping seat, and the mounting grooves correspond to the positioning holes.
[0011] Preferably, a spring is arranged in the mounting groove, an outer side wall of the spring is provided with a round head bolt, and a round head portion of the round head bolt is inserted into the positioning hole.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] The utility model discloses a kind of secondary grouting trolleys, which are fixed on the outer side of the body of the secondary grouting trolley by the elastic clamping seat, so that the secondary grouting trolley can complete the secondary grouting work through the grout conveying pipe quickly, thereby improving the use convenience of the device.
[0014] When the elastic clamping seat is idle, it can be turned inward by the damping rotating shaft to approach the outer side of the body of the secondary grouting trolley, which can reduce the risk of damage caused by bumps. When the elastic clamping seat is damaged, the cross bolt can be unscrewed to pull out the elastic clamping seat and the connecting block for replacement, which ensures the reliability of the elastic clamping seat in clamping and fixing the grout conveying pipe. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a structural schematic view of the secondary grouting equipment based on shield construction of the utility model;
[0016] Fig. 2 It is a rear side view of the secondary grouting equipment based on shield construction of the utility model;
[0017] Fig. 3 It is a right side partial sectional view of the secondary grouting equipment based on shield construction of the utility model.
[0018] In the figure: 1, secondary grouting trolley; 11, grout conveying pipe; 12, first connecting flange; 13, second connecting flange; 14, bolt; 15, nut; 2, elastic clamping seat; 21, connecting block; 22, cross bolt; 23, connecting head; 231, connecting seat; 24, damping rotating shaft; 25, connecting plate; 26, spring; 27, round head bolt. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] Please refer to Figs. 1-3The utility model provides a kind of secondary grouting equipment based on shield construction, including secondary grouting trolley 1 and slurry pipe 11, the slurry outlet pipe of secondary grouting trolley 1 is connected with first connecting flange 12, the inlet of slurry pipe 11 is connected with second connecting flange 13, the connecting hole of first connecting flange 12 and second connecting flange 13 is rotatably provided with bolt 14, the outer side wall of bolt 14 is screwed with nut 15, nut 15 is located in the right side of first connecting flange 12, first connecting flange 12 and second connecting flange 13 are communicated by nut 15 and bolt 14, so that the slurry outlet pipe of secondary grouting trolley 1 is communicated with slurry pipe 11, slurry pipe 11 is inserted into the secondary grouting hole in the tunnel, and mortar is input into the grouting hole along slurry pipe 11 by secondary grouting trolley 1, so as to complete the secondary grouting of the tunnel, wherein: the outer side wall of slurry pipe 11 is provided with a fixing assembly, the fixing assembly includes connecting seat 231 and elastic clamping seat 2, the inside of connecting seat 231 is rotatably provided with connecting head 23, a through hole is formed in the top of connecting head 23, a damping rotating shaft 24 is rotatably arranged in the through hole, the damping rotating shaft 24 is fixedly arranged in the connecting seat 231, a connecting groove is formed in the outer side wall of connecting head 23, a threaded hole is formed in the connecting groove, a connecting block 21 is fixedly arranged on the outer side wall of elastic clamping seat 2, a through hole is formed in the inner side wall of elastic clamping seat 2, a counterbore is formed in the outer side wall of connecting block 21, the through hole and the counterbore are communicated, the connecting block 21 is inserted into the connecting groove, a cross bolt 22 is rotatably arranged in the counterbore, the cross bolt 22 is screwed with the threaded hole, the outer side wall of secondary grouting trolley 1 is uniformly fixedly provided with a connecting plate 25, the outer side wall of connecting plate 25 is uniformly fixedly provided with a connecting seat 231, a group of installation grooves are formed on the upper and lower sides of connecting head 23, a group of positioning holes are formed on the inner side wall of connecting seat 231, slurry pipe 11 is clamped in elastic clamping seat 2, the installation grooves correspond to the positioning holes, a spring 26 is fixedly arranged in the installation groove, a round head latch 27 is fixedly arranged on the outer side wall of spring 26, the round head portion of round head latch 27 is inserted into the positioning hole, the connecting block 21 is fixedly arranged in the connecting groove of connecting head 23 by the cross bolt 22, so that the elastic clamping seat 2 is fixedly arranged on the outer side of connecting head 23, the round head latch 27 is inserted into the positioning hole of connecting seat 231 by the spring 26, so as to ensure the stability of connecting head 23, slurry pipe 11 is clamped and fixed in the outer side of secondary grouting trolley 1 by elastic clamping seat 2, so that secondary grouting trolley 1 can quickly complete secondary grouting work through slurry pipe 11, thereby improving the use convenience of the device, when elastic clamping seat 2 is idle, connecting head 23 is rotated by damping rotating shaft 24, so as to drive elastic clamping seat 2 to turn inward and close to the outer side of the body of secondary grouting trolley 1, so as to reduce the risk of damage to elastic clamping seat 2 caused by bumping, when elastic clamping seat 2 is damaged, the cross bolt 22 is only needed to be unscrewed, and then elastic clamping seat 2 and connecting block 21 can be pulled out and replaced outward, so as to ensure the reliability of the clamping and fixation of slurry pipe 11 by elastic clamping seat 2.
[0021] Working principle: the first connecting flange 12 and the second connecting flange 13 are communicated through the nut 15 and the bolt 14, so that the slurry outlet pipe of the secondary grouting trolley 1 is communicated with the slurry conveying pipe 11, the slurry conveying pipe 11 is inserted into the secondary grouting hole in the tunnel, the mortar is input into the grouting hole along the slurry conveying pipe 11 through the secondary grouting trolley 1, so that the secondary grouting of the tunnel is completed, the connecting block 21 is fixed in the connecting groove of the connecting head 23 through the cross bolt 22, so that the elastic clamp seat 2 is fixed outside the connecting head 23, the round-headed latch 27 is inserted into the positioning hole of the connecting seat 231 through the spring 26, so as to ensure the stability of the connecting head 23, the slurry conveying pipe 11 is fixed outside the secondary grouting trolley 1 through the elastic clamp seat 2, so that the secondary grouting trolley 1 can quickly complete the secondary grouting work through the slurry conveying pipe 11, thereby improving the use convenience of the device, when the elastic clamp seat 2 is idle, the connecting head 23 is rotated by relying on the damping shaft 24, so as to drive the elastic clamp seat 2 to turn inward and close to the outside of the body of the secondary grouting trolley 1, so as to reduce the risk of damage of the elastic clamp seat 2 caused by collision, when the elastic clamp seat 2 is damaged, the cross bolt 22 is only needed to be unscrewed, so that the elastic clamp seat 2 and the connecting block 21 can be pulled out and replaced outward, so as to ensure the reliability of the elastic clamp seat 2 for clamping and fixing the slurry conveying pipe 11.
Claims
1. A secondary grouting equipment based on shield construction, characterized in that: include: A secondary grouting trolley (1) and a grouting pipe (11), wherein the grouting pipe of the secondary grouting trolley (1) is connected to a first connecting flange (12), and the feed port of the grouting pipe (11) is connected to a second connecting flange (13), bolts (14) are provided in the connecting holes of the first connecting flange (12) and the second connecting flange (13), and the outer wall of the bolt (14) is screwed with a nut (15), and the nut (15) is located on the right side of the first connecting flange (12), wherein: a fixing component is placed on the outer wall of the grouting pipe (11).
2. The secondary grouting equipment based on shield construction according to claim 1, characterized in that: The fixing assembly comprises a connecting seat (231) and an elastic clamping seat (2), a connecting head (23) is provided inside the connecting seat (231), a through hole is provided through the top of the connecting head (23), a damping shaft (24) is provided in the through hole, and the damping shaft (24) is provided in the connecting seat (231), a connecting groove is provided on the outer wall of the connecting head (23), a threaded hole is provided in the connecting groove, a connecting block (21) is provided on the outer wall of the elastic clamping seat (2), a through hole is provided through the inner wall of the elastic clamping seat (2), a countersunk hole is provided through the outer wall of the connecting block (21), the through hole and the countersunk hole are connected, the connecting block (21) is inserted into the connecting groove, a cross bolt (22) is provided in the countersunk hole, and the cross bolt (22) is screwed into the threaded hole.
3. The secondary grouting equipment based on shield construction according to claim 2, characterized in that: The outer side wall of the secondary grouting trolley (1) is evenly provided with connecting plates (25), and the connecting seats (231) are evenly provided on the outer side wall of the connecting plates (25).
4. The secondary grouting equipment based on shield construction according to claim 3, characterized in that: A group of mounting grooves are provided on both upper and lower sides of the connector (23), and a group of positioning holes are provided on both upper and lower sides of the inner side wall of the connector seat (231).
5. The secondary grouting equipment based on shield construction according to claim 4, characterized in that: The slurry delivery pipe (11) is clamped in the elastic clamping seat (2), and the installation groove corresponds to the positioning hole.
6. The secondary grouting equipment based on shield construction according to claim 5, characterized in that: A spring (26) is provided in the installation groove, and a round head plug (27) is provided on the outer side wall of the spring (26), and the round head portion of the round head plug (27) is inserted into the positioning hole.