Protective device for heading machine
By installing protective devices of support plates and baffles on both sides of the boring machine, and using rubber pads to block the falling rocks, the problem of lack of protective structure of the boring machine is solved, and the effect of protecting the boring machine's main body is achieved.
Patent Information
- Application Number
- CN202422465256.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-10-11
AI Technical Summary
The existing boring machines lack protective structures, which makes the top rocks easy to fall, causing damage to the line and reducing service life.
A protective device including a support plate, a mounting plate, a baffle plate and a rubber pad is designed, which is fixed to both sides of the boring machine through threaded connections and springs, and the rubber pads are used to block the falling rocks to avoid direct contact with the boring machine main body.
Effectively prevent rockfalls from directly impacting the excavator, protect the main body of the excavator, and extend the service life.
Smart Images

Figure CN223062473U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of roadheaders, in particular to a protection device for a roadheader. Background Technique
[0002] A roadheader is a machine used for excavating roadways under flat ground. It mainly consists of a traveling mechanism, a working mechanism, a loading and transporting mechanism, and a transfer mechanism. Through the coordinated work of these mechanisms, efficient and safe tunneling and roadway excavation can be achieved. The application scope of roadheaders is extensive, including but not limited to the construction of underground projects such as coal mines, tunnels, and subways. Currently, the roadheaders used in the market lack a protection structure, resulting in the fact that during operation, falling rocks from the top are likely to fall on the roadheader, causing damage to the circuits and reducing the service life. Therefore, a protection device for a roadheader is proposed. Content of the Utility Model
[0003] The purpose of the utility model is to provide a protection device for a roadheader to solve the problem that the roadheaders used in the current market lack a protection structure, resulting in the fact that during operation, falling rocks from the top are likely to fall on the roadheader, causing damage to the circuits and reducing the service life as mentioned in the above background technique.
[0004] To achieve the above purpose, the utility model provides the following technical solution: A protection device for a roadheader, including first threaded rods installed on both sides of the roadheader main body. Support plates are arranged on the outer sides of the two first threaded rods. First nuts are threadedly connected to the outer sides of the two first threaded rods. An installation plate is arranged between the two support plates. Second threaded rods are fixedly arranged at both ends of the installation plate and the second threaded rods penetrate through the support plates. Second nuts are threadedly connected to the outer sides of the second threaded rods. A first spring is fixedly arranged on the top of the installation plate. Second springs are arranged at the four corners of the top of the installation plate. A baffle is arranged between the tops of the second springs and the first spring. A rubber pad is arranged on the top of the baffle. Two T-shaped plates are fixedly arranged at the bottom of the rubber pad and the T-shaped plates are connected to the baffle. A connection structure is arranged on the top of the baffle. A reinforcing rib is arranged on one side of the support plate.
[0005] Preferably, the connection structure includes a plurality of limiting rods. The plurality of limiting rods are respectively fixedly installed at the four corners of the bottom of the baffle. The plurality of limiting rods penetrate through the installation plate. C-shaped buckles are buckled on the outer sides of the plurality of limiting rods. A pin rod is fixedly arranged inside the C-shaped buckle and the pin rod penetrates through the limiting rod. A clamping plate is fixedly arranged at one end of the pin rod.
[0006] Preferably, a T-shaped sliding groove is opened on the top of the baffle. The T-shaped plate is slidably installed inside the T-shaped sliding groove.
[0007] Preferably, a connection hole is formed at one end of the support plate, and the second threaded rod passes through the communication hole.
[0008] Preferably, through holes are formed at the four corners of the top of the mounting plate, and the limiting rods pass through the through holes.
[0009] Preferably, a pin hole is formed inside the limiting rod, and the pin rod passes through the pin hole.
[0010] Compared with the prior art, the present utility model adopts the above technical solutions and has the following technical effects:
[0011] In the present utility model, by providing a support plate, a first nut, a mounting plate, a second threaded rod and a second nut, when the tunneling machine main body is operating, two support plates are installed on both sides of the tunneling machine main body, an mounting plate is connected between the two support plates through a second threaded rod, a baffle is arranged above the mounting plate, a rubber pad is installed on the top of the baffle through a T-shaped plate, and the baffle and the rubber pad will block falling stones, avoiding the falling stones directly falling on the tunneling machine main body, causing damage to the tunneling machine main body and reducing the service life. Description of the Drawings
[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0013] Figure 1 It is a schematic side view structure diagram of the present utility model;
[0014] Figure 2 It is a schematic cross-sectional structure diagram of the present utility model;
[0015] Figure 3 It is a schematic connection structure diagram of the present utility model;
[0016] Figure 4 It is a schematic connection structure diagram of the mounting plate and the baffle of the present utility model.
[0017] Explanation of the reference numerals in the drawings: 1, tunneling machine main body; 2, first threaded rod; 3, support plate; 4, first nut; 5, mounting plate; 6, second threaded rod; 7, second nut; 8, first spring; 9, second spring; 10, baffle; 11, rubber pad; 12, T-shaped plate; 13, limiting rod; 14, C-shaped buckle; 15, pin rod; 16, buckle plate; 17, reinforcing rib. Detailed Embodiments
[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0019] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limiting conditions that can be implemented in this application. Therefore, they do not have technical essential significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that this application can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in this application.
[0020] Embodiment
[0021] In the prior art, the roadheader used in the current market lacks a protection structure, resulting in the problem that when operating, the falling rocks on the top are likely to fall on the roadheader, causing damage to the circuit and reducing the service life.
[0022] Please refer to Figures 1-3 , the present invention provides a technical solution: a protection device for a roadheader, including first threaded rods 2 installed on both sides of the roadheader main body 1. Support plates 3 are arranged on the outer sides of the two first threaded rods 2. First nuts 4 are threadedly connected to the outer sides of the two first threaded rods 2. An installation plate 5 is arranged between the two support plates 3. Second threaded rods 6 are fixedly arranged at both ends of the installation plate 5 and the second threaded rods 6 penetrate through the support plates 3. Second nuts 7 are threadedly connected to the outer sides of the second threaded rods 6. A first spring 8 is fixedly arranged on the top of the installation plate 5. Second springs 9 are arranged at the four corners of the top of the installation plate 5. A baffle 10 is arranged between the tops of the second springs 9 and the first spring 8. A rubber pad 11 is arranged on the top of the baffle 10. Two T-shaped plates 12 are fixedly arranged at the bottom of the rubber pad 11 and the T-shaped plates 12 are connected to the baffle 10. A connection structure is arranged on the top of the baffle 10. A reinforcing rib 17 is arranged on one side of the support plate 3. When the roadheader main body 1 is operating, the two support plates 3 are installed on both sides of the roadheader main body 1 and fixed by the first nuts 4. The installation plate 5 is connected between the two support plates 3 by the second threaded rods 6. A rubber pad 11 and a baffle 10 are arranged above the installation plate 5, so as to block the falling rocks and prevent the falling rocks from directly falling on the roadheader main body 1 and causing damage to the roadheader main body 1.
[0023] The connecting structure includes a plurality of limiting rods 13, and the plurality of limiting rods 13 are respectively fixedly installed at the four bottom corners of the baffle 10. The plurality of limiting rods 13 penetrate through the mounting plate 5, and C-shaped buckles 14 are buckled on the outer sides of the plurality of limiting rods 13. A pin rod 15 is fixedly arranged inside the C-shaped buckle 14 and the pin rod 15 penetrates through the limiting rod 13. One end of the pin rod 15 is fixedly provided with a clamping plate 16. When installing the baffle 10, the plurality of limiting rods 13 at the bottom of the baffle 10 penetrate through the mounting plate 5. When the C-shaped buckle 14 is buckled on the outer side of the limiting rod 13, the pin rod 15 inside the C-shaped buckle 14 will penetrate through the limiting rod 13, thereby limiting the installation of the baffle 10 and facilitating later disassembly, assembly and maintenance.
[0024] A T-shaped sliding groove is formed at the top of the baffle 10, and the T-shaped plate 12 is slidably installed inside the T-shaped sliding groove. The rubber pad 11 is slidably installed on the top of the baffle 10 through the T-shaped plate 12.
[0025] A connecting hole is formed at one end of the support plate 3, the second threaded rod 6 penetrates through the communication hole, and the mounting plate 5 is installed between the two support plates 3 through the second threaded rod 6.
[0026] Through holes are formed at the four bottom corners of the top of the mounting plate 5, the limiting rods 13 penetrate through the through holes, and the baffle 10 is installed on the top of the mounting plate 5 through the limiting rods 13.
[0027] A pin hole is formed inside the limiting rod 13, the pin rod 15 penetrates through the pin hole, and the C-shaped buckle 14 is limited on the outer side of the limiting rod 13 through the pin rod 15.
[0028] In this application, the model of the roadheader main body 1 is EBZ200G, and its structural configuration and operating principle are both prior arts, so its structural configuration and operating principle will not be elaborated here.
[0029] During the operation of the roadheader main body 1, when it comes to the working principle or structural principle, the two support plates 3 are installed on both sides of the roadheader main body 1 and fixed through the first nuts 4. The mounting plate 5 is connected between the two support plates 3 through the second threaded rod 6, and the mounting plate 5 is limited and fixed through the second nuts 7. A baffle 10 is arranged above the mounting plate 5. The plurality of limiting rods 13 at the bottom of the baffle 10 penetrate through the mounting plate 5. When the C-shaped buckle 14 is buckled on the outer side of the limiting rod 13, the pin rod 15 inside the C-shaped buckle 14 will penetrate through the limiting rod 13, thereby limiting the installation of the baffle 10 and facilitating later disassembly, assembly and maintenance. The rubber pad 11 is installed on the baffle 10 through the T-shaped plate 12 at the top of the baffle 10. The baffle 10 and the rubber pad 11 will block the falling rocks, preventing the falling rocks from directly falling on the roadheader main body 1, causing damage to the roadheader main body 1 and reducing its service life.
[0030] Those skilled in the art can understand that the features recited in the various embodiments and / or claims of the present utility model can be combined or / and combined in various ways, even if such combinations or combinations are not explicitly recited in the present utility model. In particular, without departing from the spirit and teachings of the present utility model, the features recited in the various embodiments and / or claims of the present utility model can be combined and / and combined in various ways. All such combinations and / and combinations fall within the scope of the present utility model.
Claims
1. A protective device for a roadheader, comprising first threaded rods (2) installed on both sides of the roadheader main body (1), characterized in that: Support plates (3) are arranged on the outer sides of the two first threaded rods (2). First nuts (4) are threadedly connected to the outer sides of the two first threaded rods (2). An installation plate (5) is arranged between the two support plates (3). Second threaded rods (6) are fixedly arranged at both ends of the installation plate (5) and the second threaded rods (6) penetrate through the support plates (3). Second nuts (7) are threadedly connected to the outer sides of the second threaded rods (6). A first spring (8) is fixedly arranged on the top of the installation plate (5). Second springs (9) are arranged at the four corners of the top of the installation plate (5). A baffle (10) is arranged between the tops of the second springs (9) and the first spring (8). A rubber pad (11) is arranged on the top of the baffle (10). Two T-shaped plates (12) are fixedly arranged at the bottom of the rubber pad (11) and the T-shaped plates (12) are connected to the baffle (10). A connection structure is arranged on the top of the baffle (10). A reinforcing rib (17) is arranged on one side of the support plate (3).
2. The protective device for a roadheader according to claim 1, characterized in that: The connection structure includes a plurality of limiting rods (13). The plurality of limiting rods (13) are respectively fixedly installed at the four corners of the bottom of the baffle (10). The plurality of limiting rods (13) penetrate through the installation plate (5). C-shaped buckles (14) are buckled on the outer sides of the plurality of limiting rods (13). A pin rod (15) is fixedly arranged inside the C-shaped buckle (14) and the pin rod (15) penetrates through the limiting rod (13). A clamping plate (16) is fixedly arranged at one end of the pin rod (15).
3. The protective device for a roadheader according to claim 1, characterized in that: A T-shaped sliding groove is formed in the top of the baffle (10). The T-shaped plate (12) is slidably installed inside the T-shaped sliding groove.
4. A protective device for a roadheader according to claim 1, characterized in that: A connection hole is formed in one end of the support plate (3). The second threaded rod (6) penetrates through the communication hole.
5. The protective device for a roadheader according to claim 2, characterized in that: Through holes are formed at the four corners of the top of the installation plate (5). The limiting rod (13) penetrates through the through hole.
6. The protective device for a roadheader according to claim 2, wherein: A pin hole is formed in the limiting rod (13). The pin rod (15) penetrates through the pin hole.