Special double-screw grouter for cable
By using elastic support components and variable pitch spiral plates in cable-specific twin-screw grouters, the problem of viscous fire-proof slurry is solved, continuous output and density enhancement is achieved, and equipment life is extended through lubricating oil.
Patent Information
- Application Number
- CN202421002872.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-10
AI Technical Summary
Existing twin-screw grout machines are prone to blockage of the hopper when using viscous fire-proof slurry, resulting in poor discharge continuity.
A special twin screw grouting machine for cables is designed, using elastic support components to drive the vibrating motor to vibrate the feed hopper, combine with the variable pitch spiral plate to transport fireproof slurry, and lubricating oil is added through the oil inlet pipe to reduce gear wear.
It effectively prevents the hopper from being blocked, ensures the continuous output of fire-proof slurry, enhances grouting density, and extends the service life of the equipment.
Smart Images

Figure CN222213826U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grouting machines, in particular to a double-screw grouting machine special for cables. Background Art
[0002] The grouting machine is an important equipment used in cable production. Fire-retardant slurry is poured into the outer wall of the cable through the grouting machine, which makes the cable perform better and extends its service life.
[0003] Patent application No. 202223084967.1 proposes a twin-screw grouting machine for cables, including a chassis, a first box cover is fixedly connected to the top of the chassis by bolts, a hopper is installed on the first box cover, a collection box is arranged at the bottom of the chassis, a discharge pipe is arranged on the collection box, a valve body is installed on the discharge pipe, a feeding mechanism and a cleaning mechanism are arranged on the chassis, and the feeding mechanism includes a first screw and a second screw arranged inside the chassis, and the first screw and the second screw are both connected to the chassis in a rolling manner through bearings; when the above-mentioned twin-screw grouting machine is in use, the fireproof slurry is added to the inside of the chassis through the hopper, but some fireproof slurries are relatively viscous, which makes it easy for the fireproof slurry to get blocked inside the hopper, and then the discharge continuity of the grouting machine is poor. Therefore, it is urgent to design a twin-screw grouting machine specifically for cables to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a double-screw grouting machine special for cables to solve the above-mentioned shortcomings in the prior art.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A twin-screw grouting machine for cables comprises a box body, a feed hopper is arranged on the top of the box body, a bellows is connected between the feed hopper and the box body, a support plate is fixed to the outer wall of the feed hopper, a vibration motor is fixed to the top outer wall of the support plate, an elastic support assembly is fixed between the support plate and the box body, a rotating shaft 1 and a rotating shaft 2 are connected between the inner walls on both sides of the box body through bearings, a spiral plate 1 is fixed to the outer wall of the rotating shaft 1, a spiral plate 2 is fixed to the outer wall of the rotating shaft 2, a mounting shell is fixed to the outer wall of one side of the box body, one end of the rotating shaft 1 and the rotating shaft 2 extend to the interior of the mounting shell, where a driving gear and a driven gear are respectively fixed, and the driving gear and the driven gear are meshed.
[0007] Furthermore, a motor is fixed to an outer wall of one side of the mounting shell, and one end of an output shaft of the motor is fixed to a rotating shaft.
[0008] Furthermore, an oil inlet pipe is welded to the top outer wall of the mounting shell, and a sealing cover is threadedly connected to the top outer wall of the oil inlet pipe.
[0009] Furthermore, a conical bucket is fixed to the bottom outer wall of the box body, and a discharge pipe is fixed to the bottom outer wall of the conical bucket.
[0010] Furthermore, stirring plates are fixed on the outer walls of the rotating shaft 1 and the rotating shaft 2, and the outer walls of the stirring plates are provided with spoiler holes.
[0011] Furthermore, an observation window is provided on an outer wall of one side of the mounting shell, and a switch valve is connected to the bottom of the discharge pipe.
[0012] In the above technical scheme, the utility model provides a special twin-screw grouting machine for cables, which has the following beneficial effects: the feed hopper is elastically supported by an elastic support component, so that the vibration motor can drive the feed hopper to vibrate when working, thereby making it difficult for the fire-proof slurry inside the feed hopper to be blocked, thereby ensuring the good continuity of the fire-proof slurry for cables when discharging; the fire-proof slurry is transported by the variable-pitch spiral plate one and spiral plate two, so that the fire-proof slurry has a greater pressure when output, thereby making the fire-proof slurry more compact during grouting; lubricating oil can be added to the interior of the mounting shell through the oil inlet pipe, so that the lubricating oil can lubricate the meshing of the driving gear and the driven gear, thereby reducing the wear between the driving gear and the driven gear, and extending the service life of the grouting machine. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0014] Figure 1 The present invention is a schematic diagram of the main structure of a twin-screw grouting machine for cables according to an embodiment of the present invention.
[0015] Figure 2 The utility model is a schematic diagram of the internal structure of a box provided in an embodiment of a special twin-screw grouting machine for cables.
[0016] Figure 3 This is a schematic diagram of the enlarged structure of point A provided in an embodiment of a twin-screw grouting machine for cables of the utility model.
[0017] Description of reference numerals:
[0018] 1 housing, 2 rotating shaft 1, 3 spiral plate 1, 4 rotating shaft 2, 5 spiral plate 2, 6 stirring plate, 7 mounting shell, 8 driving gear, 9 driven gear, 10 motor, 11 feed hopper, 12 conical hopper, 13 discharge pipe, 14 switch valve, 15 observation window, 16 spoiler hole, 17 bellows, 18 support plate, 19 elastic support assembly, 20 vibration motor, 21 oil inlet pipe, 22 sealing cover. DETAILED DESCRIPTION
[0019] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0020] like Figure 1-3 As shown, a cable-specific twin-screw grouting machine provided by an embodiment of the utility model includes a box body 1, a feed hopper 11 is arranged on the top of the box body 1, a bellows 17 is connected between the feed hopper 11 and the box body 1, a support plate 18 is fixed to the outer wall of the feed hopper 11, a vibration motor 20 is fixed to the top outer wall of the support plate 18, an elastic support assembly 19 is fixed between the support plate 18 and the box body 1, a rotating shaft 2 and a rotating shaft 4 are connected between the inner walls on both sides of the box body 1 through bearings, a spiral plate 13 is fixed to the outer wall of the rotating shaft 12, a spiral plate 25 is fixed to the outer wall of the rotating shaft 24, a mounting shell 7 is fixed to the outer wall of one side of the box body 1, one end of the rotating shaft 12 and the rotating shaft 24 extend to the interior of the mounting shell 7, and a driving gear 8 and a driven gear 9 are respectively fixed thereto, and the driving gear 8 and the driven gear 9 are meshed.
[0021] Specifically, in this embodiment, a box body 1 is included, a feed hopper 11 is arranged on the top of the box body 1, a bellows 17 is connected between the feed hopper 11 and the box body 1, the feed hopper 11 and the box body 1 are softly connected through the bellows 17, a support plate 18 is fixed to the outer wall of the feed hopper 11, a vibration motor 20 is fixed to the top outer wall of the support plate 18, the vibration motor 20 drives the feed hopper 11 to vibrate when working, an elastic support component 19 is fixed between the support plate 18 and the box body 1, the elastic support component 19 elastically supports the feed hopper 11, so that the feed hopper 11 vibrates more violently, and there are two elastic support components 19, which are respectively located on both sides of the bellows 17, and the inner walls on both sides of the box body 1 are connected by an axis. The bearing is connected with a rotating shaft 2 and a rotating shaft 4, a spiral plate 3 is fixed on the outer wall of the rotating shaft 2, a spiral plate 25 is fixed on the outer wall of the rotating shaft 4, the pitches of the spiral plate 25 and the spiral plate 3 are successively reduced from one end, so that the spiral plate 25 and the spiral plate 3 are in a variable pitch shape, a mounting shell 7 is fixed to the outer wall of one side of the box body 1, one end of the rotating shaft 2 and the rotating shaft 24 extends to the inside of the mounting shell 7, where a driving gear 8 and a driven gear 9 are respectively fixed, the driving gear 8 and the driven gear 9 are meshed, and when the driving gear 8 rotates, it drives the driven gear 9 to rotate, and the fireproof slurry is transported through the variable pitch auger plate 13 and the auger plate 25, so that the fireproof slurry has a greater pressure when it is output, thereby making the fireproof slurry more tight during grouting.
[0022] The utility model provides a twin-screw grouting machine specially designed for cables, which elastically supports the feed hopper 11 through an elastic support assembly 19, so that the vibration motor 20 can drive the feed hopper 11 to vibrate when working, thereby making it difficult for the fire-proof slurry inside the feed hopper 11 to be blocked, thereby ensuring a good continuity of the fire-proof slurry for cables when discharging.
[0023] In another embodiment provided by the utility model, a motor 10 is fixed to an outer wall of one side of the mounting shell 7, one end of the output shaft of the motor 10 is fixed to the rotating shaft 2, and the rotating shaft 2 is driven to rotate by the motor 10; an oil inlet pipe 21 is welded to the top outer wall of the mounting shell 7, and the mounting shell 7 and the rotating shaft 2 and the rotating shaft 4 are all dynamically sealed, and lubricating oil can be added to the inside of the mounting shell 7 through the oil inlet pipe 21, so that the lubricating oil can lubricate the meshing of the driving gear 8 and the driven gear 9, thereby reducing the wear between the driving gear 8 and the driven gear 9, and extending the service life of the grouting machine, and the top outer wall of the oil inlet pipe 21 is connected to a sealing cover 22 through a thread, and the sealing cover 22 seals the oil inlet pipe 21. A conical bucket 12 is fixed to the bottom outer wall of the box body 1, and the conical bucket 12 makes it difficult for the fireproof slurry to produce residue when it flows out. A discharge pipe 13 is fixed to the bottom outer wall of the conical bucket 12, and the fireproof slurry flows out from the discharge pipe 13; a stirring plate 6 is fixed to the outer wall of the rotating shaft 1 2 and the rotating shaft 2 4, and a spoiler hole 16 is opened on the outer wall of the stirring plate 6. The stirring plate 6 stirs the fireproof slurry inside the box body 1 to make the fireproof slurry more uniform, and the spoiler hole 16 makes the fireproof slurry stirring effect better; an observation window 15 is provided on the outer wall of one side of the mounting shell 7, and the liquid level of the lubricating oil is observed through the observation window 15. A switch valve 14 is connected to the bottom of the discharge pipe 13, and the switch valve 14 serves to adjust the flow rate of the fireproof slurry.
[0024] Working principle: When in use, add lubricating oil to the inside of the mounting shell 7 through the oil inlet pipe, and observe the liquid level of the lubricating oil through the observation window 15; pour the fire-retardant slurry into the inside of the feed hopper 11, and drive the feed hopper 11 to vibrate through the vibration motor 20, so that the material can efficiently enter the inside of the box body 1, and at the same time, the motor 10 drives the rotating shaft 2 and the driving gear 8 to rotate, and the driving gear 8 drives the driven gear 9 to rotate when it rotates, thereby causing the rotating shaft 1 2 and the rotating shaft 2 4 to rotate, so that the spiral plate 1 3 and the spiral plate 2 5 can transport the fire-retardant slurry to the discharge hopper, and allow the fire-retardant slurry to flow out from the switch valve 14.
[0025] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A twin-screw grouting machine for cables, characterized in that: The invention comprises a box body (1), a feed hopper (11) is arranged on the top of the box body (1), a bellows (17) is connected between the feed hopper (11) and the box body (1), a support plate (18) is fixed to the outer wall of the feed hopper (11), a vibration motor (20) is fixed to the top outer wall of the support plate (18), an elastic support assembly (19) is fixed between the support plate (18) and the box body (1), and a shaft is connected between the inner walls on both sides of the box body (1). The bearing is connected with a rotating shaft 1 (2) and a rotating shaft 2 (4); a spiral plate 1 (3) is fixed to the outer wall of the rotating shaft 1 (2); a spiral plate 2 (5) is fixed to the outer wall of the rotating shaft 2 (4); a mounting shell (7) is fixed to the outer wall of one side of the box body (1); one end of the rotating shaft 1 (2) and the rotating shaft 2 (4) extends to the inside of the mounting shell (7) and is respectively fixed with a driving gear (8) and a driven gear (9); the driving gear (8) and the driven gear (9) are meshed.
2. A cable-specific twin-screw grouting machine according to claim 1, characterized in that: A motor (10) is fixed to an outer wall of one side of the mounting shell (7), and one end of an output shaft of the motor (10) is fixed to a rotating shaft (2).
3. A cable-specific twin-screw grouting machine according to claim 1, characterized in that: An oil inlet pipe (21) is welded to the top outer wall of the installation shell (7), and a sealing cover (22) is threadedly connected to the top outer wall of the oil inlet pipe (21).
4. A cable-specific twin-screw grouting machine according to claim 1, characterized in that: A conical bucket (12) is fixed to the bottom outer wall of the box body (1), and a discharge pipe (13) is fixed to the bottom outer wall of the conical bucket (12).
5. A cable-specific twin-screw grouting machine according to claim 1, characterized in that: The outer walls of the rotating shaft 1 (2) and the rotating shaft 2 (4) are fixed with stirring plates (6), and the outer walls of the stirring plates (6) are provided with flow disturbance holes (16).
6. A cable-specific twin-screw grouting machine according to claim 4, characterized in that: An observation window (15) is provided on one side outer wall of the installation shell (7), and a switch valve (14) is connected to the bottom of the discharge pipe (13).
