Slurry discharging equipment for prestressed duct grouting
By introducing a combination of a cleaning box and elastic cleaning balls into the slurry discharge equipment, and utilizing high-pressure airflow and motor drive, the cleaning problems of the conveying pipe and spiral blades are solved, achieving efficient and convenient cleaning results.
Patent Information
- Application Number
- CN202422682222.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-05
AI Technical Summary
In existing grouting equipment for prestressed ducts, cleaning the cement slurry on the conveying pipe and spiral blades is difficult and the cleaning effect is poor, leading to blockage problems.
Design a structure including a cleaning box, a first filter screen, a suction pipe, a blower, a blowing pipe, an inverted J-shaped discharge pipe, a return pipe, and a sealing cover. Utilize high-pressure airflow and elastic cleaning balls in conjunction with a motor to drive the spiral blades to rotate, thereby achieving automatic cleaning of the conveying pipe and the spiral blades.
It achieves efficient cleaning of the conveying pipe and spiral blades, reduces the risk of blockage, and improves the convenience and effectiveness of cleaning.
Smart Images
Figure CN223523442U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a slurry discharging equipment field, concretely to a slurry discharging equipment for prestressed duct grouting. BACKGROUND
[0002] The slurry discharging equipment for prestressed duct grouting is a mechanical equipment for pressing and grouting cement slurry into a prestressed duct. The main functions of the equipment include protecting the prestressed tendon from corrosion and ensuring the effective bonding of the prestressed tendon and the component concrete, thereby controlling the spacing and width of cracks under overload and reducing the load of beam end anchorage. Specifically, the vacuum grouting machine is a commonly used slurry discharging equipment for prestressed duct grouting. It can generate negative pressure inside the prestressed duct and then press the mortar into the duct from the other end until the entire duct is filled. In this way, the water-cement ratio of the grouting cement slurry can be reduced, the air bubbles in the duct and the cement slurry can be eliminated, and the fullness, compactness and strength of the grouting can be improved.
[0003] One end of the conveying pipe in the slurry discharging equipment is provided with a motor and a spiral blade to control the flow degree of the slurry, so that a large amount of cement slurry will adhere to the inner wall of the conveying pipe and the surface of the spiral blade after use, and thus personnel cleaning is required. The existing personnel cleaning of the cement slurry on the inner wall of the conveying pipe and the spiral blade is relatively troublesome, and the cleaning effect is poor, so that the residual cement slurry solidifies on the inner wall of the conveying pipe and the spiral blade to cause blockage and affect the slurry discharge. Therefore, a new technical solution needs to be designed to solve the problem. UTILITY MODEL CONTENTS
[0004] The utility model aims at overcoming the deficiencies of the prior art, adapting to the actual needs, and providing a slurry discharging equipment for prestressed duct grouting to solve the technical problem that the current personnel cleaning of the cement slurry on the inner wall of the conveying pipe and the spiral blade is relatively troublesome, and the cleaning effect is poor, so that the residual cement slurry solidifies on the inner wall of the conveying pipe and the spiral blade to cause blockage and affect the slurry discharge.
[0005] In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: a slurry discharging equipment for prestressed duct grouting is designed, which comprises a rack, a motor and a conveying pipe are installed on the rack, a feeding hopper is communicated with the conveying pipe, a cleaning box is installed in the inner cavity of the rack, a first filter screen is installed in the inner cavity of the cleaning box through a fixing bolt, a plurality of elastic cleaning balls are arranged on the first filter screen, a blower is installed at one end of the cleaning box, an air blowing pipe is communicated with the outlet end of the blower, a reverse J-shaped discharge pipe is communicated with the other end of the air blowing pipe, a material suction pipe is communicated with one end of the cleaning box close to the air blowing pipe, the other end of the material suction pipe is communicated with the air blowing pipe, a material return pipe is communicated with the middle of one end of the cleaning box close to the material suction pipe, and a sealing cover is installed at the other end of the material return pipe.
[0006] Preferably, a second filter screen is installed in the cleaning box below the first filter screen by a fixing bolt, and the filter hole of the first filter screen is larger than that of the second filter screen.
[0007] Preferably, a rotary joint is installed on the frame, and one end of the blowing pipe and the J-shaped discharge pipe are communicated with two ends of the rotary joint respectively.
[0008] Preferably, a box cover is arranged at the top opening of the cleaning box, the surface of the box cover is penetrated by a bolt, and the bolt is threadedly connected with the surface of the cleaning box.
[0009] Preferably, universal wheels with self-locking structure are installed at the four corners of the bottom of the frame, and handles are installed on both sides of one end of the frame.
[0010] Preferably, a drain hole is arranged at the bottom of the cleaning box, and the drain hole is arranged at the middle of the bottom end of the cleaning box.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] The utility model discloses a cleaning box, a first filter screen, a suction pipe, a blower, a blowing pipe, a J-shaped discharge pipe, a return pipe, a sealing cover and a conveying pipe are combined, when the slurry discharge equipment is used and needs to be cleaned, water is added through the feeding hopper, then the sealing cover is threadedly connected at the discharge port of the conveying pipe, then the blower is started to blow high-pressure airflow into the blowing pipe, so that the elastic cleaning ball and water enter the conveying pipe simultaneously, then the motor is started to drive the spiral blade in the conveying pipe to rotate, so that the friction force of the elastic cleaning ball and the inner wall of the conveying pipe and the surface of the spiral blade is contacted to improve the cleaning effect of the inner wall of the conveying pipe and the spiral blade.
[0013] When the sewage and the elastic cleaning ball generated during cleaning enter the cleaning box through the return pipe, then the elastic cleaning ball and the sewage are filtered through the first filter screen, so that the elastic cleaning ball is retained on the first filter screen, so that the elastic cleaning ball can be automatically circulated into the conveying pipe to clean the inner wall of the conveying pipe and the surface of the spiral blade. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the whole structure schematic view of the utility model;
[0015] Figure 2 It is the cleaning box and the first filter screen and the second filter screen connection sectional view of the utility model.
[0016] In the figure: 1, rack; 11, universal wheel; 12, handle; 2, motor; 21, conveying pipe; 22, feeding hopper; 3, cleaning box; 31, box cover; 32, bolt; 33, suction pipe; 34, drain hole; 35, elastic cleaning ball; 36, first filter screen; 37, second filter screen; 4, air blower; 41, blowing pipe; 42, rotary joint; 43, inverted J-shaped discharge pipe; 5, return pipe; 51, sealing cover. DETAILED DESCRIPTION
[0017] The utility model is further explained in connection with the drawings and examples as follows:
[0018] Example 1: a kind of prestressed duct grouting slurry discharge equipment, referring to Figures 1 to 2 , including rack 1, motor 2 and conveying pipe 21 are installed on rack 1, conveying pipe 21 is communicated with feeding hopper 22, the inner chamber of rack 1 is installed with cleaning box 3, the inner chamber of cleaning box 3 is installed with first filter screen 36 by fixed bolt, a plurality of elastic cleaning balls 35 are arranged on first filter screen 36, air blower 4 is installed at one end of cleaning box 3, the air outlet end of air blower 4 is communicated with blowing pipe 41, the other end of blowing pipe 41 is communicated with inverted J-shaped discharge pipe 43, the end of cleaning box 3 close to blowing pipe 41 is communicated with suction pipe 33, the other end of suction pipe 33 is communicated with blowing pipe 41, the middle of the end of cleaning box 3 close to suction pipe 33 is communicated with return pipe 5, the other end of return pipe 5 is installed with sealing cover 51, when slurry discharge equipment needs cleaning after use, water is added through feeding hopper 22, then sealing cover 51 is screwed at the discharge port of conveying pipe 21, then air blower 4 is started to blow high-pressure airflow into blowing pipe 41, so that the air pressure at the connection of suction pipe 33 and blowing pipe 41 is reduced, forming negative pressure, then the elastic cleaning balls 35 in cleaning box 3 are sucked into blowing pipe 41, then the elastic cleaning balls 35 are blown through inverted J-shaped discharge pipe 43 into feeding hopper 22, so that the elastic cleaning balls 35 and water enter into conveying pipe 21 at the same time, then motor 2 is started to drive the rotation of helical blade in conveying pipe 21, so as to push the elastic cleaning balls 35 to rotate and move in conveying pipe 21, so as to improve the cleaning effect of conveying pipe 21 and helical blade by the friction force of the contact between elastic cleaning balls 35 and the inner wall of conveying pipe 21 and the surface of helical blade, not only making the cleaning of conveying pipe 21 and helical blade more convenient, but also improving the cleaning effect of conveying pipe 21 and helical blade, and the sewage and elastic cleaning balls 35 generated by cleaning enter into cleaning box 3 through return pipe 5, then the elastic cleaning balls 35 and sewage are filtered through first filter screen 36, so that the elastic cleaning balls 35 are retained on first filter screen 36, so that the elastic cleaning balls 35 can be automatically circulated into conveying pipe 21 to clean the inner wall of conveying pipe 21 and the surface of helical blade.
[0019] Specifically, referring to Figure 2 , the second filter screen 37 is installed in the cleaning box 3 below the first filter screen 36 through a fixing bolt, the filter hole of the first filter screen 36 is larger than that of the second filter screen 37, after the first filter screen 36 separates the sewage and the elastic rubber ball, the second filter screen 37 filters the gravel in the sewage, so that the gravel in the sewage can be collected and reused.
[0020] Further, referring to Figure 1 , the rotary joint 42 is installed on the rack 1, one end of the blowing pipe 41 and the inverted J-shaped discharge pipe 43 is communicated with two ends of the rotary joint 42, through the setting of the rotary joint 42, the unused inverted J-shaped discharge pipe 43 is rotated and placed on one side, so as to not affect the feeding of the feeding hopper 22.
[0021] It is worth mentioning that, referring to Figure 1 , the box cover 31 is arranged at the top opening of the cleaning box 3, the surface of the box cover 31 is penetrated through the bolt 32, and the bolt 32 is screwed with the surface of the cleaning box 3, the impurities on the first filter screen 36 and the second filter screen 37 are cleaned by screwing the bolt 32.
[0022] It is worth noting that, referring to Figure 1 , the universal wheel 11 is installed at the bottom of the four corners of the rack 1, the universal wheel 11 has a self-locking structure, the handle 12 is installed on both sides of one end of the rack 1, the device is moved to the working area by holding the handle and pushing, so as to cooperate with the universal wheel 11.
[0023] It is worth introducing that, referring to Figure 2 , the drain hole 34 is arranged at the bottom of the cleaning box 3, and the drain hole 34 is arranged at the bottom of the cleaning box 3, the drain hole 34 is arranged at the bottom of the cleaning box 3, the drain hole 34 is arranged at the bottom of the cleaning box 3.
[0024] In addition, the components designed in the utility model are general standard components or components known by those skilled in the art, the structure and principle thereof are known to those skilled in the art through technical manual or through conventional experimental method, those skilled in the art can realize it, and there is no need to repeat it, and the content protected by the utility model does not involve improvement of internal structure and method.
[0025] The embodiment of the utility model discloses a preferable embodiment, but is not limited to this, those skilled in the art can easily understand the spirit of the utility model according to the above-mentioned embodiment, and make different inferences and changes, but as long as it does not deviate from the spirit of the utility model, it is within the protection scope of the utility model.
Claims
1. A slurry discharging apparatus for prestressed duct grouting, comprising a frame (1), characterized in that, The rack (1) is provided with a motor (2) and a conveying pipe (21), the conveying pipe (21) is communicated with a feeding hopper (22), the inner cavity of the rack (1) is provided with a cleaning box (3), the inner cavity of the cleaning box (3) is provided with a first filter screen (36) through a fixing bolt, a plurality of elastic cleaning balls (35) are arranged on the first filter screen (36), one end of the cleaning box (3) is provided with a blower (4), the air outlet end of the blower (4) is communicated with a blowing pipe (41), the other end of the blowing pipe (41) is communicated with a J-shaped discharge pipe (43), one end of the cleaning box (3) close to the blowing pipe (41) is communicated with a suction pipe (33), the other end of the suction pipe (33) is communicated with the blowing pipe (41), the middle of one end of the cleaning box (3) close to the suction pipe (33) is communicated with a return pipe (5), the other end of the return pipe (5) is provided with a sealing cover (51).
2. The device for prestressed duct grouting according to claim 1, wherein The second filter screen (37) is arranged in the cleaning box (3) below the first filter screen (36) through a fixing bolt, and the filter hole of the first filter screen (36) is larger than that of the second filter screen (37).
3. The device for prestressed duct grouting according to claim 1, wherein The rack (1) is provided with a rotary joint (42), and one end of the blowing pipe (41) and the J-shaped discharge pipe (43) is communicated with the two ends of the rotary joint (42) respectively.
4. The device for prestressed duct grouting according to claim 1, wherein The top opening of the cleaning box (3) is provided with a box cover (31), the surface of the box cover (31) is penetrated through a bolt (32), and the bolt (32) is threadedly connected with the surface of the cleaning box (3).
5. The device for prestressed duct grouting according to claim 1, wherein The bottom of the rack (1) is provided with universal wheels (11) at four corners, the universal wheels (11) have a self-locking structure, and the rack (1) is provided with handles (12) on both sides of one end.
6. The device for prestressed duct grouting according to claim 1, wherein The bottom of the cleaning box (3) is provided with a drain hole (34), and the drain hole (34) is arranged at the middle of the bottom end of the cleaning box (3).