Compaction grouting device for municipal road and bridge construction

Abstract

The utility model discloses a compaction grouting device for municipal road and bridge construction. The compaction grouting device comprises a bearing box body and an extrusion plate. The extrusion plate is arranged in the cavity of the bearing box body and is in sliding connection with the bearing box body; an extrusion area is formed by the bottom of the extrusion plate and the bottom end of the bearing box body; a fixed bracket is arranged at the top end of the bearing box body; the fixed bracket is fixedly connected with a first driving source; an output shaft of the first driving source is fixedly connected with the upper end of the extrusion plate; a telescopic feeding pipe is arranged in an inner cavity of the bearing box body; a discharging opening of the telescopic feeding pipe penetrates through the extrusion plate and is communicated with the extrusion plate; fixing rings are fixedly welded to the top ends of the four corners of an inner cavity of the bearing box. The compaction grouting device for municipal road and bridge construction solves the technical problems that in the technical field of road and bridge construction equipment, a traditional compaction grouting device is large in operation difficulty and low in working efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of road and bridge construction equipment, in particular to a compaction grouting device for municipal road and bridge construction. Background Art

[0002] Compaction grouting is a foundation reinforcement technology that improves foundation bearing capacity and reduces settlement by injecting slurry into the soil. First, holes are drilled in the foundation to be reinforced and grouting pipes are installed. The slurry mixed with cement, water and other additives is injected into the soil through a grouting pump. Under the action of the pump pressure, the slurry squeezes and displaces the surrounding soil to increase the density of the soil. The injected slurry solidifies and hardens in the soil to form a solid with higher strength, thereby enhancing the foundation bearing capacity and reducing settlement. It is suitable for various soil conditions, and its advantages include simple construction equipment, fast construction speed, low environmental pollution, and good reinforcement effect.

[0003] In the process of municipal construction, compaction grouting is widely used. When the existing compaction grouting device is in operation, the slurry inside the bin is easy to solidify, affecting the quality of slurry injection. The material gathering component in the traditional compaction grouting device needs to be manually controlled by elastic parts. Therefore, during the grouting process, real-time observation and control of material gathering are required. This operation will increase the user's operation steps, thereby increasing the difficulty of operation and reducing work efficiency. Utility Model Content

[0004] The purpose of the utility model is to overcome the above technical deficiencies, provide a municipal road and bridge construction compaction grouting device, and solve the technical problems of difficult operation and low working efficiency of traditional compaction grouting devices in the technical field of road and bridge construction equipment.

[0005] In order to achieve the above technical purpose, the technical solution of the utility model provides a compaction grouting device for municipal road and bridge construction, comprising:

[0006] A carrying box and an extrusion plate; the extrusion plate is placed in the cavity of the carrying box and is slidably connected to the carrying box; the bottom of the extrusion plate and the bottom end of the carrying box form an extrusion area; a fixed bracket is provided at the top of the carrying box; the fixed bracket is fixedly connected to a first driving source; the output shaft of the first driving source is fixedly connected to the upper end of the extrusion plate; a telescopic feed pipe is provided in the inner cavity of the carrying box; the discharge port of the telescopic feed pipe passes through the extrusion plate and is connected to the extrusion; fixing rings are welded and fixed to the top of the four corners of the inner cavity of the carrying box.

[0007] Compared with the prior art, the beneficial effects of the utility model include:

[0008] 1. The compaction grouting device for municipal road and bridge construction provided by the utility model can automatically adjust the extrusion plate to move downward during grouting, thereby driving the sleeve rod and the stirring rod to move downward, ensuring that the stirring rod fills the slurry area, avoiding automatic adjustment while the slurry is fixed, and improving work efficiency.

[0009] 2. In the compaction grouting device for municipal road and bridge construction provided by the utility model, a second elastic element is arranged between the stirring rods. When the extrusion plate moves downward, it resists the uppermost sleeve rod, driving the sleeve rod to move downward, and then as the extrusion plate continues to move downward, the sleeve rods can start to move downward one by one. At the same time, in the process of the sleeve rod moving downward, the second elastic element is compressed one by one. When the extrusion plate moves up, the second elastic element is reset to reset the sleeve rod, thereby always maintaining stirring in the area between the extrusion plate and the bearing box. The cross-section of the above-mentioned stirring rod is curved. Compared with a straight stirring rod, the curvature of the curve is different at different positions, so that the slurry is squeezed in different directions during the stirring process, and the stirring is more sufficient.

[0010] 3. In the compaction grouting device for municipal road and bridge construction provided by the utility model, a control panel is arranged near the handle to control the opening and closing of the cylinder and the motor, so as to facilitate operation and control during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of the compaction grouting device for municipal road and bridge construction provided by the utility model;

[0012] Figure 2 It is a top view structural schematic diagram of the compaction grouting device for municipal road and bridge construction provided by the utility model;

[0013] Figure 3 It is a cross-sectional structural schematic diagram of a compaction grouting device for municipal road and bridge construction provided by the utility model;

[0014] Figure 4 The utility model is a schematic diagram of the internal structure of a compaction grouting device for municipal road and bridge construction provided by the utility model.

[0015] In the accompanying drawings: 1. load-bearing box; 2. extrusion plate; 3. telescopic feed pipe; 4. fixed bracket; 5. first drive source; 6. second drive source; 7. base; 8. support rod; 9. handle; 10. walking wheel; 11. control panel; 12. fixing ring; 13. guide rod; 14. first elastic element; 15. sleeve rod; 16. stirring rod; 17. second elastic element; 18. discharge pipe. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0017] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0019] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 This embodiment provides a compaction grouting device for municipal road and bridge construction, including: a bearing box 1, an extrusion plate 2, a telescopic feed pipe 3, a fixed bracket 4, etc.

[0020] Furthermore, the extrusion plate 2 is placed in the cavity of the supporting box 1 and is slidably connected to the supporting box 1. The bottom of the extrusion plate 2 and the bottom end of the supporting box 1 form an extrusion area 1a. The top of the supporting box 1 is provided with a fixed bracket 4, and the fixed bracket 4 is fixedly connected to the first driving source 5. The output shaft of the first driving source 5 is fixedly connected to the upper end of the extrusion plate 2. The inner cavity of the supporting box 1 is provided with a telescopic feed pipe 3, and the discharge port of the telescopic feed pipe 3 passes through the extrusion plate 2 and is connected to the extrusion. Fixed rings 12 are welded and fixed at the top of the four corners of the inner cavity of the supporting box 1.

[0021] Preferably, the first driving source 5 is selected as a cylinder. Cylinders are widely used as driving sources in the fields of industry and automation, and their main advantages include: 1. Safety: Cylinders usually use compressed air as a power source. Compared with electricity or other energy sources, air does not have the risk of explosion or electric shock, so it is safer to use in flammable and explosive environments; 2. Low cost: Air is cheaper than energy sources such as oil or electricity, and the structure of the cylinder is relatively simple, and the manufacturing cost and maintenance cost are low; 3. Long life: The design of the cylinder allows it to withstand long-term use under proper maintenance, and since there are no complex electronic components inside, the failure rate is relatively low; 4. Easy installation: The installation of the cylinder is usually relatively simple, does not require complex brackets or foundations, and can be flexibly installed in various positions through pipelines. Two of the first driving sources 5 are provided; the two first driving sources 5 are arranged symmetrically about the second driving source 6.

[0022] Specifically, the first driving source 5 drives the extrusion plate 2 to move up and down along the inner cavity of the carrying box 1, thereby adjusting the size of the extrusion area 1a, so that the slurry in the carrying box 1 is extruded along the discharge pipe 18.

[0023] Furthermore, a guide rod 13 is inserted into the fixing ring 12, and one end of the guide rod 13 close to the extrusion plate 2 is welded and fixedly connected to the extrusion plate 2. The guide rod 13 is circumferentially ringed with a first elastic element 14, and the upper end of the first elastic element 14 abuts against the lower end of the fixing ring 12, and the lower end of the first elastic element 14 abuts against the upper end of the extrusion plate 2.

[0024] Specifically, the guide rod 13 plays a guiding role. At the same time, during the slurry filling process, the output shaft of the first driving source 5 moves upward and drives the extrusion plate 2 to move upward. The guide rod 13 on the extrusion plate 2 moves upward synchronously, so that the first elastic element 14 is in a compressed state. At this time, the first elastic element 14 has a reset potential energy, so that the extrusion plate 2 tends to move downward, so that no gap appears during the slurry filling process.

[0025] Furthermore, the fixed bracket 4 is fixedly connected to a second driving source 6, the output shaft of the second driving source 6 passes through the extrusion plate 2 and abuts against the bottom end of the inner cavity of the bearing box 1, and a bearing seat is provided at the connection between the output shaft of the second driving source 6 and the bearing box 1.

[0026] Preferably, the second driving source 6 is selected as a motor, and during the slurry filling process, the first driving source 5 and the second driving source 6 work simultaneously.

[0027] Furthermore, the output shaft of the second driving source 6 located in the extrusion area 1a is annularly sleeved with a sleeve rod 15, and a stirring rod 16 is circumferentially arranged on the sleeve rod 15. A second elastic element 17 is arranged between two downwardly adjacent sleeve rods 15, and the upper end of the second elastic element 17 abuts against the lower end of the sleeve rod 15, and the lower end of the second elastic element 17 abuts against the upper end of the sleeve rod 15.

[0028] Specifically, during the slurry filling process, the output shaft of the second driving source 6 drives the stirring rod 16 to rotate, so that the slurry inside the supporting box 1 can flow out through the discharge pipe 18 .

[0029] Furthermore, a base 77 is provided at the bottom end of the carrying box body 1 , and the base 77 is provided with walking wheels 10 . A discharge pipe 18 is provided at one side of the bottom end of the carrying box body 1 .

[0030] Furthermore, a support rod 8 is fixedly connected to one side of the base 77 , and a handle 9 is fixedly connected to the support rod 8 . The support rod 8 is provided with a control panel 11 , and the control panel 11 integrates switches for controlling the first driving source 5 and the second driving source 6 .

[0031] In the first embodiment, a control panel 11 is fixed on the support rod 8, and a cylinder switch button and a motor switch button are integrated on the control panel 11. The cylinder switch button is connected to the first driving source 5, and the motor switch button is connected to the second driving source 6. The control panel 11 is a circuit board connecting the first driving source 5 and the second driving source 6. The switch button of the first driving source 5 can control the air intake and exhaust of the first driving source 5, and the switch button of the second driving source 6 controls the opening and closing of the first driving source 5. The control panel 11 is arranged near the handle 9 to facilitate operation and control during movement.

[0032] In the second embodiment, four guide rods 13 are provided and arranged along the four corners of the extrusion plate 2 .

[0033] In the third embodiment, the stirring rod 16 is provided with a plurality of them along the circumferential direction of the sleeve rod 15, and the sleeve rod 15 is also provided with a plurality of them along the axial direction of the output shaft of the second driving source 6. The second elastic element 17 is fixed between the upper and lower sleeve rods 15, and the second elastic element 17 is sleeved on the outside of the output shaft of the second driving source 6, wherein the cross-section of the stirring rod 16 is curved.

[0034] Due to the provision of the second elastic element 17, the sleeve rod 15 can slide along the axial direction of the output shaft of the second driving source 6. When the extrusion plate 2 moves downward, it contacts the sleeve rod 15 at the uppermost end, driving the sleeve rod 15 to move downward. Then, as the extrusion plate 2 continues to move downward, the sleeve rods 15 can start to move downward one by one. Meanwhile, during the downward movement of the sleeve rod 15, the second elastic element 17 is compressed one by one. When the extrusion plate 2 moves upward, the second elastic element 17 is reset to reset the sleeve rod 15, thereby always maintaining stirring in the area between the extrusion plate 2 and the bearing box 1. The cross-section of the stirring rod 16 is curved. Compared with the straight stirring rod 16, the curvature of the curve is different at different positions, so that the slurry is squeezed in different directions during the stirring process, and the stirring is more sufficient.

[0035] Preferably, the output shaft of the second driving source 6 is provided with a first limit groove along the length direction, and the inner wall of the sleeve rod 15 is provided with a second limit groove, the first limit groove and the second limit groove are arranged opposite to each other, and a limit pin is arranged between the first limit groove and the second limit groove, and the limit pin has a circumferential limiting effect on the sleeve rod 15, and only allows the sleeve rod 15 to move up and down along the output shaft of the second driving source 6.

[0036] Preferably, the first elastic element and the second elastic element 17 are both selected as springs. As a common elastic element, springs are widely used in industry and daily life. Its advantages mainly include: 1. Scalability: springs can deform when subjected to external forces, and can return to their original shape after the external forces disappear. This reversible deformation property makes it very useful in many occasions that require buffering and shock absorption; 2. Force transmission: springs can be used to transmit and adjust forces; 3. Adaptability: springs can be designed and manufactured in different shapes and sizes as needed to adapt to different application scenarios; 4. Durability: high-quality springs have a long service life under normal use conditions and low maintenance costs; 5. Stability: the mechanical properties of springs are relatively stable and can provide stable reaction forces within a certain range; 6. Economy: compared with other mechanical structures, springs are usually manufactured at a lower cost and are suitable for large-scale production; 7. Easy installation: the installation of springs is usually simple and does not require complex auxiliary equipment.

[0037] Working principle: When the compaction grouting device for municipal road and bridge construction provided by the utility model is used, grouting is firstly performed into the interior of the bearing box 1, and grouting is performed by connecting an external grouting device or a concrete grouting truck through the feed pipe 3. The slurry enters the bearing box 1 and fills the extrusion area 1a formed between the extrusion plate 2 and the bottom of the bearing box 1. At this time, the first driving source 5 is in a closed state. During the slurry filling process, the output shaft of the first driving source 5 moves upward and drives the extrusion plate 2 to move upward at the same time. The guide rod 13 on the extrusion plate 2 moves upward synchronously, and then the first elastic element 14 is in a compressed state. At this time, the first elastic element 14 has a reset potential energy, which makes the extrusion plate 2 tend to move downward. So that no gap appears during the slurry filling process; when grouting, the first driving source 5 is turned on, and the first driving source 5 drives the output shaft of the first driving source 5 to move downward, and then the extrusion plate 2 moves downward to extrude the slurry along the discharge pipe 18 for grouting, and at the same time, the second driving source 6 is turned on, and the second driving source 6 drives the output shaft of the second driving source 6 to rotate, and then the stirring rod 16 is kept rotating inside the supporting box 1, so that the slurry inside the supporting box 1 flows out of the discharge pipe 18, and as the extrusion plate 2 moves downward, the sleeve rod 15 on the output shaft of the second driving source 6 slides downward along the output shaft of the second driving source 6 to ensure that the area between the extrusion plate 2 and the supporting box 1 is kept stirred.

[0038] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A compaction grouting device for municipal road and bridge construction, characterized in that: include: Load-bearing box, extruded plate; The extrusion plate is placed in the cavity of the carrying box and is slidably connected to the carrying box; the bottom of the extrusion plate and the bottom end of the carrying box form an extrusion area; a fixed bracket is provided at the top of the carrying box; the fixed bracket is fixedly connected to the first driving source; the output shaft of the first driving source is fixedly connected to the upper end of the extrusion plate; a telescopic feed pipe is provided in the inner cavity of the carrying box; the discharge port of the telescopic feed pipe passes through the extrusion plate and is connected to the extrusion; fixing rings are welded and fixed to the top of the four corners of the inner cavity of the carrying box.

2. The compaction grouting device for municipal road and bridge construction according to claim 1 is characterized in that: A guide rod is inserted into the fixing ring; one end of the guide rod close to the extrusion plate is welded and fixedly connected to the extrusion plate; a first elastic element is provided around the circumferential ring of the guide rod; the upper end of the first elastic element abuts against the lower end of the fixing ring; and the lower end of the first elastic element abuts against the upper end of the extrusion plate.

3. The compaction grouting device for municipal road and bridge construction according to claim 2 is characterized in that: The fixed bracket is fixedly connected to a second driving source; the output shaft of the second driving source passes through the extrusion plate and abuts against the bottom end of the inner cavity of the bearing box; a bearing seat is provided at the connection between the output shaft of the second driving source and the bearing box.

4. The compaction grouting device for municipal road and bridge construction according to claim 3 is characterized in that: The output shaft of the second driving source located in the extrusion zone is annularly sleeved with a sleeve rod; a stirring rod is circumferentially arranged on the sleeve rod; a second elastic element is arranged between two downwardly adjacent sleeve rods; the upper end of the second elastic element abuts against the lower end of the sleeve rod; the lower end of the second elastic element abuts against the upper end of the sleeve rod.

5. The compaction grouting device for municipal road and bridge construction according to claim 4 is characterized in that: A base is provided at the bottom end of the bearing box; the base is provided with walking wheels; and a discharge pipe is provided at one side of the bottom end of the bearing box.

6. The compaction grouting device for municipal road and bridge construction according to claim 5 is characterized in that: A support rod is fixedly connected to one side of the base; a handle is fixedly connected to the support rod; a control panel is provided on the support rod; and a switch for controlling the first driving source and the second driving source is integrated on the control panel.

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