A multi-rod rock breaking head device for underwater rock breaking in inland waterway dredging

By introducing a T-shaped sliding groove and a limiting hole structure into the multi-rod rock crushing head device, the problem of difficult adjustment of the rod position was solved, and the flexible adjustment of the rod position and number was realized, thereby improving the adaptability and crushing efficiency of the device.

CN224314270UActive Publication Date: 2026-06-02SHANGHAI TENGZHOU CONSTR GRP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI TENGZHOU CONSTR GRP CO LTD
Filing Date
2025-07-17
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In existing technologies, the position of the drill rod is difficult to adjust, and the position and number of drill rods cannot be adjusted according to the situation, resulting in low practicality.

Method used

A multi-rod rock-breaking head device for underwater rock breaking in inland waterways for dredging was designed. It adopts a structure with a T-shaped sliding groove and a limiting hole on the bottom plate. The rods can be flexibly adjusted through the sliding block and the limiting structure, and the position and number of fixed rods can be adjusted.

Benefits of technology

It enables flexible adjustment of the position and number of drill rods, improves the adaptability and stability of the device, and enhances the crushing efficiency for rocks of different strengths.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of capital construction inland river dredging rock crushing equipment, concretely relates to a kind of multi-drill rod rock crushing head device for inland river underwater rock crushing for channel dredging, including bottom plate and several fixed mechanisms, the surface of bottom plate is provided with several sliding grooves, the cross section of sliding groove is T-shaped and is arranged, the inside of several sliding grooves is provided with limit hole, each fixed mechanism includes fixed rod, fixed head, sliding block and limiting structure, sliding block is slidably connected with bottom plate, and located in the inside of sliding groove, fixed rod is fixedly connected with sliding block, and located on the surface of bottom plate, fixed head is fixedly connected with fixed rod, and located at the end of fixed rod away from sliding block, the inside of fixed rod is provided with cavity, limiting structure is arranged in the inside of cavity, through the setting of above-mentioned structure, the position of drill rod is difficult to adjust in prior art, the position and quantity of drill rod cannot be adjusted according to situation, and the problem of lower practicability is solved.
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Description

Technical Field

[0001] This utility model relates to the technical field of inland river dredging and rock breaking equipment for infrastructure construction, and in particular to a multi-rod rock breaking head device for underwater rock breaking in inland rivers for channel dredging. Background Technology

[0002] Currently, with the vigorous development of inland canal projects and the upgrading of inland waterways and fishing ports, sedimentary rock layers in riverbeds often need to be removed during dredging. For underwater hard rock excavation, the commonly used dredging method is to first carry out underwater blasting and then remove the debris.

[0003] In the prior art, patent document with publication number (CN220450957U) mentions a multi-rod rock-breaking head device for underwater rock breaking in inland rivers. It consists of a steel plate and several rods disposed at the bottom of the steel plate, with reinforcing ribs around the connection point between each rod and the steel plate. This device can efficiently break rocks of varying strengths, exhibiting good flexibility, adaptability, safety, and stability. The number of rods can be increased when the rock strength is high, and decreased when the rock strength is low, achieving maximum rock-breaking output with a fixed impact energy when encountering rocks of different strengths. This rock-breaking head device can effectively contribute to the rapid development of inland waterway dredging and is highly practical.

[0004] However, the existing technology described above makes it difficult to adjust the position of the drill rod, and it is impossible to adjust the position and number of drill rods according to the situation, resulting in low practicality. Utility Model Content

[0005] The purpose of this invention is to provide a multi-rod rock-breaking head device for underwater rock breaking in inland waterways for dredging, which solves the problem that the position of the drill rods is difficult to adjust and the position and number of drill rods cannot be adjusted according to the situation, resulting in low practicality in the existing technology.

[0006] To achieve the above objectives, this utility model provides a multi-rod rock-breaking head device for underwater rock breaking in inland waterways for dredging, comprising a base plate and several fixing mechanisms. The surface of the base plate is provided with several sliding grooves, the cross-section of which is T-shaped. Limiting holes are provided inside the sliding grooves. Each fixing mechanism includes a fixing rod, a fixing head, a sliding block, and a limiting structure. The sliding block is slidably connected to the base plate and located inside the sliding groove. The fixing rod is fixedly connected to the sliding block and located on the surface of the base plate. The fixing head is fixedly connected to the fixing rod and located at the end of the fixing rod away from the sliding block. A cavity is provided inside the fixing rod, and the limiting structure is located inside the cavity.

[0007] Each of the fixing mechanisms further includes four reinforcing ribs and two positioning components. The four reinforcing ribs are fixedly connected to the fixing rod and are evenly arranged on the outer side of the fixing rod. The ends of the reinforcing ribs contact the base plate. The two positioning components are respectively arranged on both sides of the fixing rod.

[0008] The limiting structure includes a positioning rod and a threaded block. The threaded block is threadedly connected to the fixing rod and is located inside the cavity. One end of the positioning rod is fixedly connected to the threaded block, and the other end of the positioning rod passes through the cavity and the limiting hole.

[0009] The limiting structure further includes an adjusting block, which is fixedly connected to the positioning rod and located on the side of the fixing rod away from the threaded block.

[0010] The positioning structure includes a fixing plate and a bolt. The fixing plate is fixedly connected to the fixing rod and is located on one side of the fixing rod. The bolt is threadedly connected to the fixing plate and the base plate and passes through the fixing plate and the base plate.

[0011] This utility model discloses a multi-rod rock-breaking head device for underwater rock breaking in inland waterways used for dredging. It comprises several sliding grooves, each with a T-shaped cross-section. Limiting holes are provided within the sliding grooves. A sliding block is slidably connected to a base plate and located within the sliding groove. A fixing rod is fixedly connected to the sliding block and located on the surface of the base plate. A fixing head is fixedly connected to the fixing rod and located at the end of the fixing rod furthest from the sliding block. A cavity is provided inside the fixing rod, and a limiting structure is disposed within the cavity. In use, based on the distance and position of the fixing rod, the sliding block is slid into the corresponding sliding groove. The position and number of fixing rods are adjusted as needed to slide the sliding block to one side of the corresponding limiting hole, and the limiting structure fixes the position of the sliding block. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the multi-rod rock-breaking head device for underwater rock breaking in inland waterways for dredging, which is a utility model.

[0014] Figure 2This is a front view of the multi-rod rock-breaking head device for underwater rock breaking in inland waterways for dredging, which is a utility model.

[0015] Figure 3 This is the utility model Figure 2 A sectional view along line AA.

[0016] Figure 4 This is the utility model Figure 3 A schematic diagram of the structure at point B.

[0017] 1-Base plate, 2-Sliding groove, 3-Limiting hole, 4-Fixing rod, 5-Fixing head, 6-Sliding block, 7-Cavity, 8-Reinforcing rib, 9-Positioning rod, 10-Threaded block, 11-Adjusting block, 12-Fixing plate, 13-Bolt. Detailed Implementation

[0018] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0019] Please see Figures 1-4 ,in, Figure 1 This is a schematic diagram of the multi-rod rock-breaking head device for underwater rock breaking in inland waterways used in waterway dredging, according to this utility model. Figure 2 This is a front view of the multi-rod rock-breaking head device for underwater rock breaking in inland waterways used in waterway dredging, according to this utility model. Figure 3 This is the utility model Figure 2 AA-line sectional view, Figure 4 This is the utility model Figure 3 A schematic diagram of the structure at point B.

[0020] This utility model provides a multi-rod rock-breaking head device for underwater rock breaking in inland waterways for dredging, including a base plate 1 and several fixing mechanisms. Each fixing mechanism includes a fixing rod 4, a fixing head 5, a sliding block 6, a limiting structure, four reinforcing ribs 8, and two positioning components. The limiting structure includes a positioning rod 9, an adjusting block 11, and a threaded block 10. The positioning structure includes a fixing plate 12 and a bolt 13. The aforementioned solution solves the problem in the prior art that the position of the drill rod is difficult to adjust, and the position and number of drill rods cannot be adjusted according to the situation, resulting in low practicality.

[0021] In this specific embodiment, the surface of the base plate 1 is provided with a plurality of sliding grooves 2, the cross-section of the sliding grooves 2 being T-shaped, and the interior of the plurality of sliding grooves 2 being provided with limiting holes 3. The sliding block 6 is slidably connected to the base plate 1 and located inside the sliding groove 2. The fixing rod 4 is fixedly connected to the sliding block 6 and located on the surface of the base plate 1. The fixing head 5 is fixedly connected to the fixing rod 4 and located at the end of the fixing rod 4 away from the sliding block 6. The interior of the fixing rod 4 is provided with a cavity 7, and the limiting structure is located inside the cavity 7. In use, according to the distance and position of the fixing rod 4, the sliding block 6 is slid into the interior of the corresponding sliding groove 2, and the position and number of the fixing rods 4 are adjusted as needed to slide the sliding block 6 to one side of the corresponding limiting hole 3, and the position of the sliding block 6 is fixed by the limiting structure.

[0022] The four reinforcing ribs 8 are fixedly connected to the fixing rod 4 and are evenly arranged on the outside of the fixing rod 4. The ends of the reinforcing ribs 8 are in contact with the base plate 1. The two positioning components are respectively arranged on both sides of the fixing rod 4. When in use, the fixing rod 4 is in contact with the rock and is subjected to an outward force. The reinforcing ribs 8 support the fixing rod 4 and are also locked on the outside of the fixing rod 4, which improves the stability of the fixing rod 4.

[0023] Secondly, the threaded block 10 is threadedly connected to the fixed rod 4 and located inside the cavity 7. One end of the positioning rod 9 is fixedly connected to the threaded block 10, and the other end of the positioning rod 9 passes through the cavity 7 and the limiting hole 3. After adjusting the position of the sliding block 6, the positioning rod 9 is rotated, and the threaded block 10 moves accordingly inside the cavity 7, so that the positioning rod 9 passes through the limiting hole 3 and fixes the position of the sliding block 6.

[0024] Secondly, the adjusting block 11 is fixedly connected to the positioning rod 9 and is located on the side of the fixing rod 4 away from the threaded block 10. The setting of the adjusting block 11 facilitates the rotation of the threaded block 10. The rotating tool passes through the limiting hole 3. By rotating the adjusting block 11, the positioning rod 9 drives the threaded block 10 to rotate, so that the positioning rod 9 moves accordingly.

[0025] In addition, the fixing plate 12 is fixedly connected to the fixing rod 4 and is located on one side of the fixing rod 4. The bolt 13 is threadedly connected to the fixing plate 12 and the base plate 1 and passes through the fixing plate 12 and the base plate 1. After the position of the sliding block 6 is determined, the bolt 13 is rotated to fix the base plate 1 and the fixing plate 12.

[0026] When using this utility model, according to the distance and position of the fixed rod 4, the sliding block 6 is inserted into the corresponding sliding groove 2. The position and number of the fixed rod 4 are adjusted as needed, and the sliding block 6 is slid to one side of the corresponding limiting hole 3. The bolt 13 is rotated, and the bolt 13 fixes the base plate 1 and the fixed plate 12. The setting of the adjusting block 11 facilitates the rotation of the threaded block 10. The rotating tool is passed through the limiting hole 3. By rotating the adjusting block 11, the positioning rod 9 drives the threaded block 10 to rotate, so that the positioning rod 9 moves accordingly. The setting of the adjusting block 11 facilitates the rotation of the threaded block 10. The rotating tool is passed through the limiting hole 3. By rotating the adjusting block 11, the positioning rod 9 drives the threaded block 10 to rotate, so that the positioning rod 9 moves accordingly.

[0027] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A multi-rod rock-breaking head device for underwater rock breaking in inland waterways for dredging, comprising a base plate, characterized in that, It also includes several fixing mechanisms, and the surface of the base plate is provided with several sliding grooves. The cross-section of the sliding grooves is T-shaped, and the interior of the sliding grooves is provided with limit holes. Each of the fixing mechanisms includes a fixing rod, a fixing head, a sliding block, and a limiting structure. The sliding block is slidably connected to the base plate and located inside the sliding groove. The fixing rod is fixedly connected to the sliding block and located on the surface of the base plate. The fixing head is fixedly connected to the fixing rod and located at the end of the fixing rod away from the sliding block. A cavity is provided inside the fixing rod, and the limiting structure is disposed inside the cavity.

2. The multi-rod rock-breaking head device for underwater rock breaking in inland waterways for dredging as described in claim 1, characterized in that, Each of the fixing mechanisms further includes four reinforcing ribs and two positioning components. The four reinforcing ribs are fixedly connected to the fixing rod and are evenly arranged on the outer side of the fixing rod. The ends of the reinforcing ribs contact the base plate. The two positioning components are respectively arranged on both sides of the fixing rod.

3. The multi-rod rock-breaking head device for underwater rock breaking in inland waterways for channel dredging as described in claim 2, characterized in that, The limiting structure includes a positioning rod and a threaded block. The threaded block is threadedly connected to the fixing rod and is located inside the cavity. One end of the positioning rod is fixedly connected to the threaded block, and the other end of the positioning rod passes through the cavity and the limiting hole.

4. The multi-rod rock-breaking head device for underwater rock breaking in inland waterways for dredging as described in claim 3, characterized in that, The limiting structure also includes an adjusting block, which is fixedly connected to the positioning rod and located on the side of the fixing rod away from the threaded block.

5. The multi-rod rock-breaking head device for underwater rock breaking in inland waterways for dredging as described in claim 4, characterized in that, The positioning structure includes a fixing plate and a bolt. The fixing plate is fixedly connected to the fixing rod and is located on one side of the fixing rod. The bolt is threadedly connected to the fixing plate and the base plate and passes through the fixing plate and the base plate.