Modified polyurethane grouting device

By designing a grouting height device that can be adjusted up and down, the problem of fixing the position of the injector port of the existing polyurethane grouting device is solved, and the applicability and operation convenience of the device are improved.

CN222557639UActive Publication Date: 2025-03-04ZHENGZHOU UNIV
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421046155.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2025-03-04
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

The injection port position of the existing polyurethane grouting device is fixed and cannot be adjusted, which reduces the applicability of modified polyurethane grouting.

Method used

A modified polyurethane grouting device is designed, including a cart assembly for supporting movement and an adjustment assembly for up and down lifting and adjusting grouting height. The adjustment assembly includes a fixing frame, a screw rod, a handle and a movable frame. The screw rod is rotated through the handle to push the movable frame to move up and down along the fixing frame and adjust the grouting height.

Benefits of technology

By adjusting the grouting height settings through up and down, the suitability of modified polyurethane grouting is enhanced, the intuitive operation is increased, and the convenience of disassembly and assembly and maintenance is improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222557639U_ABST
    Figure CN222557639U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of modified polyurethane grouting, and discloses a modified polyurethane grouting device which comprises a cart assembly used for bearing and moving, and a pressing and injecting assembly used for pressing and pushing raw materials to be fused and injected is installed on the cart assembly. The adjusting assembly is arranged at one end of the trolley assembly and used for adjusting the grouting height in an up-down lifting mode; the adjusting assembly comprises a fixing frame, a lead screw is installed in the middle of the fixing frame, a handle is arranged at the top end of the lead screw, a movable frame is installed on the lead screw, and a locking nail is installed on the movable frame. According to the modified polyurethane grouting device disclosed by the utility model, the grouting height is adjusted through up and down lifting, so that the applicability of modified polyurethane grouting is enhanced; through the arrangement of manual thread rotating and lifting, the operation intuition is improved; and the static mixer is fixed through the sliding insertion locking nails, so that the convenience of disassembly, assembly and maintenance is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of modified polyurethane grouting, in particular to a modified polyurethane grouting device. Background Art

[0002] Polyurethane grouting fluid is a high-performance, high-strength repair and reinforcement material, which is widely used in the fields of construction, bridges, underground engineering, water conservancy projects, etc. It can effectively improve the repair and reinforcement effect and ensure the safety of the project.

[0003] A Chinese patent with a comparison announcement number of CN218505051U discloses a polyurethane grouting device, comprising: an air compressor having an air outlet; a dryer having an air inlet and an air outlet, wherein the air inlet is connected to the air outlet; a tank body A having a first cavity, wherein the tank body A is provided with a first slurry outlet pipe and a first inlet connected to the air outlet for dry compressed air to flow in, wherein the first inlet is located at the upper end of the first cavity and is connected, and one end of the first slurry outlet pipe extends and is connected to the lower end of the first cavity; a tank body B having a second cavity, wherein the tank body B is provided with a second slurry outlet pipe and a second inlet connected to the air outlet for dry compressed air to flow in, wherein the second inlet is located at the upper end of the second cavity and is connected, and one end of the second slurry outlet pipe extends and is connected to the lower end of the second cavity; a grouting pipe having a feed inlet and an injection port, wherein the other end of the first slurry outlet pipe and the other end of the second slurry outlet pipe are both connected to the feed inlet.

[0004] However, the position of the injection port in the above patent is fixed and cannot be adjusted, which reduces the applicability of modified polyurethane grouting. Therefore, a new device needs to be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a modified polyurethane grouting device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A modified polyurethane grouting device comprises a trolley assembly for supporting movement, on which a pressure injection assembly for pressurizing and pushing raw materials for fusion and injection is installed, and an adjustment assembly for adjusting the grouting height up and down is arranged at one end of the trolley assembly; the adjustment assembly comprises a fixed frame, a screw rod is installed in the middle of the fixed frame, a handle is arranged at the top of the screw rod, a movable frame is installed on the screw rod, and a locking nail is installed on the movable frame.

[0008] Furthermore, the cart assembly includes a frame, a push rod frame is arranged at one end of the frame, two limit seats are symmetrically arranged on the frame, and four universal wheels are evenly installed at the four corners of the bottom of the frame.

[0009] Furthermore: the injection assembly includes two symmetrically arranged air compressors, a raw material tank is arranged on one side of the air compressor, a sealing cover is installed on the raw material tank, a support frame is installed between the sealing covers, a static mixer is arranged on one side of the support frame, and the air compressor, the sealing cover and the static mixer are connected by pipelines.

[0010] Furthermore: a brake plate is arranged on the universal wheel, and the push rod frame and the universal wheel are respectively connected to the frame by bolts.

[0011] Furthermore: the sealing cover and the support frame are rotatably connected, and the sealing cover and the raw material tank are sealed and threadedly connected.

[0012] Furthermore: the movable frame is made of polypropylene material, and the handle and the screw rod are welded together.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. The applicability of modified polyurethane grouting is enhanced by adjusting the grouting height by lifting and lowering;

[0015] 2. The manual thread rotation and lifting setting increases the intuitiveness of the operation;

[0016] 3. The static mixer is fixed by sliding locking pins, which increases the convenience of disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a modified polyurethane grouting device described in the utility model;

[0018] Figure 2 It is a schematic diagram of a trolley assembly of a modified polyurethane grouting device described in the utility model;

[0019] Figure 3 It is a schematic diagram of a pressure injection component of a modified polyurethane grouting device described in the utility model;

[0020] Figure 4 It is a schematic diagram of an adjustment component of a modified polyurethane grouting device described in the utility model.

[0021] In the accompanying drawings, 101, frame; 102, limit seat; 103, push rod frame; 104, universal wheel; 105, brake plate; 201, air compressor; 202, raw material tank; 203, sealing cover; 204, support frame; 205, static mixer; 301, fixed frame; 302, movable frame; 303, locking nail; 304, screw rod; 305, handle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 A modified polyurethane grouting device includes a trolley assembly for supporting movement, on which is installed a pressure injection assembly for pressurizing and pushing raw materials for fusion and injection, and also includes an adjustment assembly at one end of the trolley assembly for adjusting the grouting height by lifting and lowering.

[0024] In this embodiment: the cart assembly includes a frame 101, a push rod frame 103 is provided at one end of the frame 101, two limit seats 102 are symmetrically provided on the frame 101, four universal wheels 104 are evenly installed at the four corners of the bottom of the frame 101, and brake plates 105 are provided on the universal wheels 104. The push rod frame 103 and the universal wheels 104 are respectively bolted to the frame 101. The push rod frame 103 applies force to push the frame 101 to move under the support of the universal wheels 104, so that the static mixer 205 is inserted into the hole, and the brake plate 105 is stepped on to fix the frame 101;

[0025] In this embodiment: the injection assembly includes two symmetrically arranged air compressors 201, a raw material tank 202 is arranged on one side of the air compressor 201, a sealing cover 203 is installed on the raw material tank 202, a support frame 204 is installed between the sealing covers 203, the sealing cover 203 and the support frame 204 are rotatably connected, the sealing cover 203 and the raw material tank 202 are sealed and threaded, a static mixer 205 is arranged on one side of the support frame 204, the air compressor 201, the sealing cover 203 and the static mixer 205 are connected by pipelines, the raw material tank 202 is screwed on the sealing cover 203, and is plugged and fixed in the limit seat 102, the air compressor 201 injects compressed air into the raw material tank 202 through the sealing cover 203, pushes the two raw materials into the static mixer 205 for mixing, and injects them into the hole;

[0026] In this embodiment: the adjustment component includes a fixed frame 301, a screw rod 304 is installed in the middle of the fixed frame 301, a handle 305 is set at the top of the screw rod 304, the handle 305 and the screw rod 304 are welded together, a movable frame 302 is installed on the screw rod 304, a locking pin 303 is installed on the movable frame 302, the movable frame 302 is made of polypropylene material, the static mixer 205 is inserted into the movable frame 302, and the locking pin 303 is tightened to fix it, and then the screw rod 304 is rotated by the handle 305, so that the screw rod 304 pushes the movable frame 302 to move up and down along the fixed frame 301, and the grouting height of the static mixer 205 is adjusted.

[0027] Working principle: first, screw the raw material tank 202 onto the sealing cover 203, and insert and fix it in the limit seat 102, then insert the static mixer 205 into the movable frame 302, and tighten the locking nail 303 to fix it, and then rotate the screw rod 304 through the handle 305 to make the screw rod 304 push the movable frame 302 to move up and down along the fixed frame 301, adjust the grouting height of the static mixer 205, and then apply force through the push rod frame 103 to push the frame 101 to move under the support of the universal wheel 104, so that the static mixer 205 is inserted into the hole, and the brake plate 105 is stepped on to fix the frame 101. The air compressor 201 injects compressed air into the raw material tank 202 through the sealing cover 203, pushes the two raw materials into the static mixer 205 for mixing, and injects them into the hole to complete the modified polyurethane grouting.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A modified polyurethane grouting device, comprising a trolley assembly for supporting and moving, on which is mounted a pressure injection assembly for pressurizing and pushing raw materials for fusion and injection, characterized in that: The trolley assembly also includes an adjustment assembly at one end thereof for adjusting the grouting height by lifting and lowering; The injection molding assembly comprises two symmetrically arranged air compressors (201), a raw material tank (202) is arranged on one side of the air compressor (201), a sealing cover (203) is installed on the raw material tank (202), a support frame (204) is installed between the sealing covers (203), a static mixer (205) is arranged on one side of the support frame (204), and the air compressor (201), the sealing cover (203) and the static mixer (205) are connected by pipelines; The adjustment assembly comprises a fixed frame (301), a screw rod (304) is installed in the middle of the fixed frame (301), a handle (305) is arranged at the top of the screw rod (304), a movable frame (302) is installed on the screw rod (304), and a locking nail (303) is installed on the movable frame (302).

2. A modified polyurethane grouting device according to claim 1, characterized in that: The pushcart assembly comprises a frame (101), one end of the frame (101) is provided with a push rod frame (103), two limit seats (102) are symmetrically arranged on the frame (101), and four universal wheels (104) are evenly installed at the four corners of the bottom of the frame (101).

3. A modified polyurethane grouting device according to claim 2, characterized in that: A brake plate (105) is provided on the universal wheel (104), and the push rod frame (103) and the universal wheel (104) are respectively connected to the vehicle frame (101) by bolts.

4. A modified polyurethane grouting device according to claim 1, characterized in that: The sealing cover (203) and the support frame (204) are rotatably connected, and the sealing cover (203) and the raw material tank (202) are sealed and threadedly connected.

5. A modified polyurethane grouting device according to claim 1, characterized in that: The movable frame (302) is made of polypropylene material, and the handle (305) and the screw rod (304) are welded together.

Citation Information

Patent Citations

  • Polyurethane grouting device

    CN218505051U