Protective device for cutting head of heading machine
By designing a cutting head protection device for the excavator including drill bits, positioning pins, springs, protective shells, silicone pads and handles, the damage during storage and adhesion problems during use are solved, and better equipment protection and use efficiency are achieved.
Patent Information
- Application Number
- CN202420931082.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The existing cutting head protection device of the boring machine is prone to bump or slide when stored, causing damage to the equipment; when used, the surface of the drilling tool is prone to stick to impurities such as soil and dust, which affects the efficiency of use.
A drill bit, positioning pin, spring, protective case, silicone pad and handle are designed. When the equipment is not in use, the positioning pin is stuck to one side of the drill bit by using the reaction force of the spring, and the protective shell is stuck to the surface of the drill bit to provide protection; when in use, the drill bit is cleaned by a circular water storage ring and a water outlet to prevent adhesion.
It effectively avoids bumps and slips during storage, protects the equipment, and reduces economic losses; during use, the adhesion on the drilling tool surface is reduced through the cleaning function, and improves work efficiency.
Smart Images

Figure CN222823234U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coal mines, in particular to a cutting head protection device for a roadheader. Background Art
[0002] Coal engineering is an engineering discipline that involves the mining, processing, utilization and related environmental protection of coal resources. It covers the entire process from coal mining to coal utilization, including geological exploration, mine design, mining technology, mine safety, coal processing and washing, coal transportation, coal utilization technology and environmental protection.
[0003] However, the existing cutting head protection device of the tunnel boring machine has the following disadvantages:
[0004] (1) When the equipment is stored, it may bump or slip, causing damage to the equipment and resulting in economic losses;
[0005] (2) When the equipment is in use, dirt, dust and other impurities may stick to the surface of the drill bit, affecting the use of the equipment and work efficiency.
[0006] Therefore, the utility model provides a cutting head protection device for a tunnel boring machine. Utility Model Content
[0007] 1. Technical issues to be solved
[0008] The technical problem solved by the utility model is to provide a tunnel boring machine cutting head protection device which is highly practical, can be simply operated and has a relatively simple structure. It solves the problem raised in the above background technology that when the equipment is stored, it may be bumped or slipped, causing damage to the equipment and causing economic losses; when the equipment is in use, impurities such as dirt and dust may stick to the surface of the drill bit, affecting the use of the equipment and affecting work efficiency.
[0009] (II) Technical solution
[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a tunnel boring machine cutting head protection device, including a cabin, one end of the cabin is fixedly connected to a drill bit, one side of the drill bit is clamped with a positioning pin, the surface of the positioning pin is rotatably connected to a spring, one end of the spring is fixedly connected to a protective shell, the inner wall of the protective shell is fixedly connected to a silicone pad, the surface of the cabin is fixedly connected to a support rod, one end of the support rod is fixedly connected to a circular water storage ring, and one side of the circular water storage ring is fixedly connected to a water outlet.
[0011] Optionally, a water outlet pipe is fixedly connected to the other side of the water storage tank, and a carrier is fixedly connected to one end of the water outlet pipe, so that the carrier can stabilize the drainage of the water outlet pipe.
[0012] Optionally, a limiting groove is provided on one side of the carrier, and a cabin body is fixedly connected to the interior of the limiting groove, so that the limiting groove plays a role in fixing the cabin body.
[0013] Optionally, a positioning hole is opened on one side of the protective shell, and a positioning block is clamped inside the positioning hole, so that the protective shell is fixed by the positioning block.
[0014] Optionally, one end of the positioning pin is fixedly connected to a handle, and the surface of the handle is fixedly connected to an anti-skid pad, so that the bottom of the anti-skid pad can prevent slipping when the handle is pulled.
[0015] Optionally, a positioning hole is opened on one side of the protective shell, a positioning block is clamped inside the positioning hole, the protective shell is clamped with a fixing mechanism through the positioning block, a cover plate is fixedly connected to one side of the fixing mechanism, and the cover plate serves to seal the protective shell.
[0016] Three beneficial effects
[0017] The utility model provides a cutting head protection device for a tunnel boring machine, which has the following beneficial effects:
[0018] 1. The cutting head protection device of the tunnel boring machine is provided with a drill bit, a positioning pin, a spring, a protective shell, a silicone pad and a handle. When the equipment is not in use, the protective shell is stuck on the surface of the drill bit, and the positioning pin is stuck on one side of the drill bit by utilizing the reaction force of the spring. The drill bit is protected by the protective shell and the silicone pad, so that the equipment can be better protected, and the equipment can be effectively prevented from being bumped or slipped during storage, which may cause damage to the equipment and cause economic losses.
[0019] 2. The cutting head protection device of the tunnel boring machine uses a support rod, a circular water storage ring and a water outlet. The circular water storage ring is set according to the size of the drill bit, so that the water outlet can clean the drill bit at multiple angles, thereby preventing the equipment from sticking to the soil when in use, and effectively avoiding the possibility of impurities such as soil and dust sticking to the surface of the drill bit when the equipment is in use, which may affect the use of the equipment and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 It is a schematic diagram of the overall structure of the utility model;
[0022] Figure 3This is a schematic diagram of the structure of the split components of the utility model;
[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the positioning pin of the utility model.
[0024] In the figure: 1. cabin; 2. drill bit; 3. positioning pin; 4. spring; 5. protective shell; 6. silicone pad; 7. support rod; 8. circular water storage ring; 9. water outlet; 10. water outlet pipe; 11. carrier; 12. positioning block; 13. handle; 14. fixing mechanism; 15. cover plate. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figures 1 to 4 The utility model provides a technical solution: a cutting head protection device for a tunnel boring machine, a cabin 1, one end of the cabin 1 is fixedly connected to a drill bit 2, a locating pin 3 is clamped on one side of the drill bit 2, a spring 4 is rotatably connected to the surface of the locating pin 3, one end of the spring 4 is fixedly connected to a protective shell 5, and a silicone pad 6 is fixedly connected to the inner wall of the protective shell 5. Through the arrangement of the drill bit 2, the locating pin 3, the spring 4, the protective shell 5, the silicone pad 6 and the handle 13, when the equipment is not in use, the protective shell 5 is clamped on the surface of the drill bit 2, and the locating pin 3 is clamped on one side of the drill bit 2 by the reaction force of the spring 4. The drill bit 2 is protected by the protective shell 5 and the silicone pad 6, so that the equipment can be better protected. It effectively avoids the phenomenon that the equipment may be bumped or slipped during storage, causing damage to the equipment and causing economic losses. The surface of the cabin 1 is fixedly connected with a support rod 7, one end of the support rod 7 is fixedly connected with a circular water storage ring 8, and one side of the circular water storage ring 8 is fixedly connected with a water outlet 9. Through the support rod 7, the circular water storage ring 8, and the water outlet 9, the circular water storage ring 8 is set according to the size of the drill bit 2, so that the water outlet 9 can clean the drill bit 2 at multiple angles, so that the equipment is not easy to stick to the soil when in use, and effectively avoids the possibility that the surface of the drill tool is stuck to the soil, dust and other impurities when the equipment is in use, which affects the use of the equipment and affects the work efficiency.
[0027] The other side of the circular water storage ring 8 is fixedly connected to a water outlet pipe 10, and one end of the water outlet pipe 10 is fixedly connected to a carrier 11. The arrangement of the carrier 11 plays a role in stabilizing the drainage of the water outlet pipe 10.
[0028] A limiting groove is provided on one side of the carrier 11, and the cabin body 1 is fixedly connected to the interior of the limiting groove. The setting of the limiting groove plays a role in fixing the cabin body 1;
[0029] A positioning hole is provided on one side of the protective shell 5, and a positioning block 12 is clamped inside the positioning hole. The positioning block 12 is provided to fix the protective shell 5.
[0030] One end of the positioning pin 3 is fixedly connected to a handle 13, and a non-slip pad is fixedly connected to the surface of the handle 13. The non-slip pad bottom is provided to prevent slipping when the handle 13 is pulled.
[0031] A positioning hole is provided on one side of the protective shell 5, and a positioning block 12 is clamped inside the positioning hole. The protective shell 5 is clamped with a fixing mechanism 14 through the positioning block 12, and a cover plate 15 is fixedly connected to one side of the fixing mechanism 14. The setting of the cover plate 15 plays a role in sealing the protective shell 5.
[0032] In the utility model, the working steps of the device are as follows:
[0033] Step 1: First, when the device is not in use, clamp the protective shell 5 on the surface of the drill bit 2, and use the reaction force of the spring 4 to clamp the positioning pin 3 on one side of the drill bit 2, so that the drill bit 2 is protected by the protective shell 5 and the silicone pad 6;
[0034] Step 2: Then when the device is needed, pull the handle 13 to pull back the positioning pin 3 so that the protective shell 5 can be displaced, take out the protective shell 5, and then start the device;
[0035] The third step: Finally, when the equipment is in use, the circular water storage ring 8 is set according to the size of the drill bit 2 to open the carrier 11 and push the cleaning liquid into the water outlet pipe 10, so that the water outlet 9 can clean the drill bit 2 at multiple angles.
[0036] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;
[0037] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.
[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A cutting head protection device for a roadheader, comprising a cabin (1), characterized in that: One end of the cabin body (1) is fixedly connected to a drill bit (2), one side of the drill bit (2) is clamped with a positioning pin (3), the surface of the positioning pin (3) is rotatably connected to a spring (4), one end of the spring (4) is fixedly connected to a protective shell (5), the inner wall of the protective shell (5) is fixedly connected to a silicone pad (6), the surface of the cabin body (1) is fixedly connected to a support rod (7), one end of the support rod (7) is fixedly connected to a circular water storage ring (8), and one side of the circular water storage ring (8) is fixedly connected to a water outlet (9).
2. A cutting head protection device for a roadheader according to claim 1, characterized in that: The other side of the circular water storage ring (8) is fixedly connected to a water outlet pipe (10), and one end of the water outlet pipe (10) is fixedly connected to a carrier (11).
3. A cutting head protection device for a tunnel boring machine according to claim 2, characterized in that: A limiting groove is provided on one side of the carrier (11), and the interior of the limiting groove is fixedly connected to the cabin body (1).
4. A cutting head protection device for a roadheader according to claim 3, characterized in that: A positioning hole is provided on one side of the protective shell (5), and a positioning block (12) is clamped inside the positioning hole.
5. A cutting head protection device for a roadheader according to claim 1, characterized in that: One end of the positioning pin (3) is fixedly connected to a handle (13), and the surface of the handle (13) is fixedly connected to an anti-slip pad.
6. A cutting head protection device for a roadheader according to claim 4, characterized in that; The protective shell (5) is clamped with a fixing mechanism (14) via a positioning block (12), and a cover plate (15) is fixedly connected to one side of the fixing mechanism (14).