Mining intrinsic safety type emergency stop switch with protection function
By installing a flame-retardant shell and protective components on the mine emergency stop switch, the problem of unexpected shutdown of underground equipment is solved, achieving the effects of preventing accidental activation and extending service life.
Patent Information
- Application Number
- CN202423242056.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-27
AI Technical Summary
When operating intrinsically safe emergency stop switches in mines, accidental contact by personnel may cause equipment to suddenly stop, affecting production efficiency and safety. Existing technology lacks effective protection against this.
A mine-use intrinsically safe emergency stop switch with protective functions was designed. It adopts a flame-retardant shell and protective components, including a positioning seat, positioning plate, protective plate and barrier plate, to form an anti-accidental contact component to prevent accidental collision and misoperation.
It effectively prevents accidental activation of the emergency stop switch, reduces the risk of equipment downtime, improves production continuity and safety, extends the service life of the switch, and reduces the time of misoperation.
Smart Images
Figure CN223728625U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of emergency stop switch, concretely to a mine intrinsic safety type emergency stop switch with protection function. BACKGROUND
[0002] The trigger working principle of the push button switch in the mine intrinsic safety type emergency stop switch is that a locking button is arranged on the emergency stop switch, when the locking button is pressed, the pressing pressure is converted into an electric signal through a locking control module, the locking control module is connected with the circuit on the circuit board, and the electric signal is transmitted to a travel switch, after the travel switch receives the electric signal, the contact state in the travel switch changes, realizing the on-off control of the circuit, the processor monitors the state of the travel switch, and according to the state, sends corresponding instructions to a receiving module in the mine equipment, controlling the start and stop of the equipment.
[0003] When the mine intrinsic safety type emergency stop switch works in the mine, no protection structure is arranged on the outer side, in the normal production process, accidental touching of the emergency stop switch by personnel may cause the equipment to suddenly stop, when the coal mining machine, scraper conveyor and other equipment are running in the coal mining face, if someone accidentally touches the emergency stop switch, the equipment will immediately stop working, the current coal mining operation is interrupted, and the subsequent work is affected to proceed smoothly, restarting the equipment needs a certain time, thereby seriously affecting the production efficiency and reducing the coal production. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a mine intrinsic safety type emergency stop switch with protection function to solve the defects that when the coal mining machine, scraper conveyor and other equipment are running, if someone accidentally touches the emergency stop switch, the equipment will immediately stop working, the current coal mining operation is interrupted, and the subsequent work is affected to proceed smoothly.
[0005] To achieve the above purpose, a mine intrinsic safety type emergency stop switch with protection function is provided, which comprises a flame-retardant shell, a mushroom head button is installed on the top of the flame-retardant shell, a protection assembly is fixedly installed on the surface of the flame-retardant shell, the protection assembly comprises a positioning seat fixedly screwed on the surface of the flame-retardant shell, a positioning disc is installed on the surface of the positioning seat, a protection disc is fixedly installed on the surface of the positioning disc, a blocking piece is fixedly installed on the top of the protection disc, a stress groove is formed in the surface of the mushroom head button, and the stress groove is circularly arranged.
[0006] Preferably, three groups of guide grooves are uniformly formed in the surface of the positioning seat, the distance between the adjacent two groups of guide grooves is consistent, three groups of guide seats are uniformly fixedly installed on the bottom of the positioning disc, and the distance between the adjacent two groups of guide seats is consistent.
[0007] Preferably, the guide groove and the guide seat are matched in size, the guide seat is inserted into the guide groove, and the guide groove and the guide seat are both provided in a "C" shape, and the height of the guide seat is equal to the depth of the guide groove.
[0008] Preferably, the outer circumferential wall of the positioning seat is uniformly provided with three groups of mounting grooves, and the three groups of mounting grooves are all provided with through holes, the outer side of the three groups of guide seats is all provided with screw holes, and the fixing bolts are screwed into the screw holes on the outer side of the guide seats through the through holes in the mounting grooves.
[0009] Preferably, the positioning seat, the positioning disc and the protection disc are all provided in a circular shape, and the axial section of the positioning seat, the positioning disc and the protection disc is a concentric circle structure.
[0010] Preferably, the outer circumferential wall of the protection disc is uniformly provided with three groups of openings, and the three groups of openings are all provided in an arc shape, a plurality of barrier pieces are uniformly mounted on the top of the protection disc, the distance between adjacent two groups of barrier pieces is consistent, and the end portions of the plurality of barrier pieces are all covered on the outer side surface of the mushroom head button.
[0011] Compared with the prior art, the utility model has the advantages of the following:
[0012] 1. The setting of the mistaken touch prevention assembly can effectively prevent personnel or equipment from accidentally colliding with the emergency stop switch, avoid unnecessary shutdown caused by mistaken touch, reduce production interruption and potential safety risks caused by mistaken shutdown, protect the mushroom head button, avoid damage of the mushroom head button under the action of external force, improve the use quantity of the switch body, avoid interruption of the current coal mining operation, and ensure the smooth progress of subsequent work.
[0013] 2. The setting of the stress groove on the surface of the mushroom head button can guide the staff to press the center of the mushroom head button, provide clear pressing direction indication for the operator, and enable the staff to quickly and accurately find the correct pressing position and direction under the condition that the light in the mine is possibly dim, the environment is complex, and the operator is possibly in a nervous or hurried state, thereby reducing the time wasted due to mistaken operation and the safety risks possibly caused. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view of the structure of the utility model;
[0015] Figure 2 It is a schematic view of the protection assembly of the structure of the utility model;
[0016] Figure 3 It is a rear view of the structure of the utility model; Figure 2
[0017] Figure 4 It is a schematic view of a cross section.
[0018] The figure mark: 1, flame-retardant shell; 2, mushroom head button; 21, stress groove; 3, protection assembly; 31, positioning seat; 32, mounting groove; 33, guide groove; 34, guide seat; 35, positioning disc; 36, opening; 37, protection disc; 38, barrier sheet. DETAILED DESCRIPTION
[0019] Please refer to Figures 1-4 The utility model provides a kind of mine intrinsic safety type emergency stop switch with protection function, including flame-retardant shell 1, the top of flame-retardant shell 1 is equipped with mushroom head button 2, and the surface of flame-retardant shell 1 is fixedly installed with protection assembly 3, protection assembly 3 includes the positioning seat 31 of screwing fixed on the surface of flame-retardant shell 1, while the surface of positioning seat 31 is equipped with positioning disc 35, and the surface of positioning disc 35 is fixedly installed with protection disc 37, the top of protection disc 37 is fixedly installed with barrier sheet 38, the surface of mushroom head button 2 is equipped with stress groove 21, and stress groove 21 is circularly arranged.
[0020] As can be known from the above, in use, the installation mode of protection assembly 3 on flame-retardant shell 1 is as follows: holding positioning disc 35, inserting three groups of guide seats 34 on the bottom of positioning disc 35 into three groups of guide grooves 33 on the surface of positioning seat 31 respectively, the arrangement of guide groove 33 and guide seat 34 can quickly position and install protection disc 37 on the surface of positioning seat 31, and using fixing bolt, the fixing bolt is screwed and fixed in screwing hole outside guide seat 34 through the perforation on mounting groove 32, so as to fix and install protection disc 37 on the surface of positioning seat 31, the arrangement of protection disc 37 and multiple barrier sheets 38 thereon forms an anti-misoperation assembly of mushroom head button 2, so that mushroom head button 2 will not be opened or closed by mistake under external force when it is idle.
[0021] As a preferred embodiment, three groups of guide grooves 33 are evenly arranged on the surface of positioning seat 31, and the distance between adjacent two groups of guide grooves 33 is consistent, while three groups of guide seats 34 are evenly fixed and installed on the bottom of positioning disc 35, and the distance between adjacent two groups of guide seats 34 is consistent.
[0022] As a preferred embodiment, the size of guide groove 33 and guide seat 34 is matched, guide seat 34 is inserted into guide groove 33, guide groove 33 and guide seat 34 are both arranged in "C" shape, and the height of guide seat 34 is equal to the depth of guide groove 33.
[0023] As a preferred implementation, the outer wall of the positioning seat 31 is uniformly provided with three groups of mounting grooves 32, and the mounting grooves 32 are provided with through holes, and the outer side of the three groups of guide seats 34 is provided with screw holes, and the fixing bolts are screwed and fixed in the screw holes of the outer side of the guide seats 34 through the through holes of the mounting grooves 32.
[0024] As a preferred implementation, the positioning seat 31, the positioning disc 35 and the protection disc 37 are circular, and the axial section of the positioning seat 31, the positioning disc 35 and the protection disc 37 is a concentric circle structure.
[0025] As can be seen from the above, in use, the switch is used in a complex environment in a mine, and the operating personnel and the equipment are frequently active; the setting of the anti-mis-touch assembly can effectively prevent the personnel or the equipment from accidentally colliding with the emergency stop switch, avoid unnecessary shutdown caused by mis-touch, reduce production interruption and potential safety risks caused by mis-shutdown, and protect the mushroom head button 2, avoid damage of the mushroom head button 2 under the action of external force, and improve the use quantity of the switch body.
[0026] As a preferred implementation, the outer wall of the protection disc 37 is uniformly provided with three groups of openings 36, and the openings 36 are arc-shaped, the top of the protection disc 37 is uniformly provided with multiple groups of blocking pieces 38, the distance between adjacent two groups of blocking pieces 38 is consistent, and the end of the multiple groups of blocking pieces 38 is covered on the outer side surface of the mushroom head button 2.
[0027] Working principle: the mounting mode of the protection assembly 3 on the flame-retardant shell 1 is that: the handheld positioning disc 35, three groups of guide seats 34 at the bottom of the positioning disc 35 are respectively inserted into three groups of guide grooves 33 on the surface of the positioning seat 31, the guide groove 33 and the guide seat 34 can quickly position and install the protection disc 37 on the surface of the positioning seat 31, and the fixed bolt is used, the fixed bolt is screwed and fixed in the screw hole outside the guide seat 34 through the perforated hole on the installation groove 32, so that the protection disc 37 can be fixed and installed on the surface of the positioning seat 31, the protection disc 37 and the plurality of barrier sheets 38 thereon form the anti-misoperation assembly of the mushroom head button 2, so that the mushroom head button 2 will not be misopened or misclosed under the action of external force when it is idle; when the switch is used in the complex environment of the mine, the operating personnel and the equipment are frequently active; the setting of the anti-misoperation assembly can effectively prevent the personnel or the equipment from accidentally colliding with the emergency stop switch, avoid unnecessary shutdown caused by misoperation, reduce production interruption and potential safety risks caused by misoperation, and protect the mushroom head button 2, avoid damage of the mushroom head button 2 under the action of external force, improve the use quantity of the switch body; the force receiving groove 21 is arranged on the surface of the mushroom head button 2, and is arranged at the center position of the surface of the mushroom head button 2, so as to guide the working personnel to press the center of the mushroom head button 2, and provide clear pressing direction indication for the operating personnel; in the mine, the light may be dark, the environment is complex, and the operating personnel may be in a nervous or hurried state, the force receiving groove 21 can quickly and accurately find the correct pressing position and direction for the working personnel, and reduce the time wasted by misoperation and the safety risks possibly caused.
[0028] The embodiments of the utility model are given for example and description, although the embodiments of the utility model have been shown and described above, it is understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.
Claims
1. A mine-used intrinsically safe emergency stop switch with a protection function, comprising a fire-retardant shell (1), characterized in that: The top of the fire -retardant shell (1) is provided with a mushroom head button (2), and the surface of the fire -retardant shell (1) is fixedly provided with a protection assembly (3), the protection assembly (3) comprises a positioning seat (31) fixedly connected with the surface of the fire -retardant shell (1), the surface of the positioning seat (31) is provided with a positioning disc (35), and the surface of the positioning disc (35) is fixedly provided with a protection disc (37), the top of the protection disc (37) is fixedly provided with a barrier piece (38), the surface of the mushroom head button (2) is provided with a stress slot (21), and the stress slot (21) is circular.
2. The mine-used intrinsically safe emergency stop switch with a protection function according to claim 1, characterized in that: The surface of the positioning seat (31) is uniformly provided with three groups of guide grooves (33), and the distance between the adjacent two groups of guide grooves (33) is consistent, the bottom of the positioning disc (35) is uniformly fixedly provided with three groups of guide seats (34), and the distance between the adjacent two groups of guide seats (34) is consistent.
3. The mine-used intrinsically safe emergency stop switch with a protection function according to claim 2, characterized in that: The size of the guide groove (33) and the guide seat (34) is matched, the guide seat (34) is inserted into the guide groove (33), and the guide groove (33) and the guide seat (34) are both "C" shaped, the height of the guide seat (34) is equal to the depth of the guide groove (33).
4. The mine-used intrinsically safe emergency stop switch with a protection function according to claim 2, characterized in that: The circumferential outer wall of the positioning seat (31) is uniformly provided with three groups of mounting grooves (32), and the three groups of mounting grooves (32) are all provided with through holes, the outer side of the three groups of guide seats (34) is all provided with threaded holes, and the fixing bolts are screwed into the threaded holes in the outer side of the guide seat (34) through the through holes in the mounting grooves (32).
5. The mine-used intrinsically safe emergency stop switch with a protection function according to claim 1, characterized in that: The positioning seat (31), the positioning disc (35) and the protection disc (37) are circular, and the axial section of the positioning seat (31), the positioning disc (35) and the protection disc (37) is concentric structure.
6. The mine-used intrinsically safe emergency stop switch with a protection function according to claim 1, characterized in that: The circumferential outer wall of the protection disc (37) is uniformly provided with three groups of openings (36), and the three groups of openings (36) are all arc-shaped, the top of the protection disc (37) is uniformly provided with a plurality of barrier pieces (38), and the distance between the adjacent two groups of barrier pieces (38) is consistent, and the end portions of the plurality of barrier pieces (38) are all covered on the outer side surface of the mushroom head button (2).