Emergency stop protection device

Abstract

The utility model provides an emergency stop protection device, which comprises a chain, a chain fixing seat, a driving device and an emergency stop device, and is characterized in that the chain is fixedly mounted on the chain fixing seat; the traction rope is movably arranged in the extension direction of the traction rope, one end of the traction rope is connected with the chain fixing seat, the other end of the traction rope is connected with a steel wire rope, and the steel wire rope is fixedly connected with an emergency stop switch; the indicating assembly comprises a positioning part installed on the traction rope and a sensing part arranged corresponding to the positioning part, the sensing part is used for sensing the position of the positioning part, the indicating assembly further comprises an indicator, the indicator is in signal connection with the sensing part, and whether the chain is pulled in place or not is indicated through the indicator. According to the emergency stop protection device, the technical problem that whether the emergency stop switch is pulled in place or not cannot be judged when the emergency stop switch is pulled in an emergency in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mine transfer machine technical field, concretely relates to a emergency stop protection device. BACKGROUND

[0002] The mine transfer machine is the intermediate transfer equipment of the coal conveying system of the fully mechanized coal mining face, and is a heavy-duty scraper conveyor which can be moved longitudinally as a whole. In the coal conveying system of the fully mechanized coal mining face, the transfer machine is usually used in cooperation with a crusher, and the crusher is generally arranged in the middle section of the transfer machine. The raw coal carried by the transfer machine is broken into small particles in the crusher, and then is conveyed out by the transfer machine downstream of the crusher. During production or maintenance of the coal conveying system of the fully mechanized coal mining face, in order to prevent personnel from entering the crusher after entering the chute of the running transfer machine, a transfer machine emergency stop switch is usually installed in front of the entrance of the crusher. The personnel can pull the emergency stop switch before entering the crusher to stop the mine transfer machine, so as to realize self-rescue. Therefore, the emergency stop switch is an important device for ensuring the personal safety of the personnel.

[0003] In the prior art, when the emergency stop switch is pulled in an emergency, it is not possible to determine whether the emergency stop switch is pulled into place, and the emergency stop switch needs to be pulled repeatedly for several times, which causes inconvenience in actual use and affects normal production organization.

[0004] Therefore, the prior art needs to be further developed. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the above technical defects, and provides an emergency stop protection device to solve the technical problem that in the related art, when the emergency stop switch is pulled in an emergency, it is not possible to determine whether the emergency stop switch is pulled into place.

[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme: an emergency stop protection device is provided, which comprises a chain fixedly installed on a chain fixing seat, a traction rope movably arranged along the extension direction of the traction rope, one end of the traction rope connected with the chain fixing seat, the other end of the traction rope connected with a steel wire rope, the steel wire rope fixedly connected with an emergency stop switch, an indicating assembly comprising a positioning component installed on the traction rope and a sensing component correspondingly arranged with the positioning component, the sensing component used for sensing the position of the positioning component, the indicating assembly further comprising an indicator, the indicator signal connected with the sensing component, so as to indicate whether the chain is pulled into place through the indicator.

[0007] Further, the emergency stop protection device comprises a connecting rod, one end of the connecting rod connected with the end of the traction rope, the other end of the connecting rod connected with the steel wire rope, and the connecting rod is provided with the positioning component.

[0008] Further, the emergency stop protection device comprises a mounting box, the mounting box is internally hollow, a connecting rod is arranged in the mounting box, a positioning component is movably arranged in the mounting box along the extension direction of the connecting rod, and a sensing component is arranged on the mounting box.

[0009] Further, the indicator comprises an indicator light, and the indicator light is arranged on the mounting box close to the chain.

[0010] Further, the emergency stop protection device comprises a support rod, the support rod is internally hollow, and a plurality of pulleys are arranged on the inner wall of the support rod, and a traction rope is arranged on the plurality of pulleys.

[0011] Further, the emergency stop protection device comprises a base, the base is arranged on the feed inlet cover plate of the carrier, a mounting frame is fixedly arranged on the base, and a support rod is arranged on the mounting frame.

[0012] Further, the mounting frame comprises a first support frame and a second support frame arranged oppositely, a support groove is arranged between the first support frame and the second support frame, and the support groove is used for accommodating the support rod.

[0013] Further, the emergency stop protection device comprises a slide rail mounting seat, the slide rail mounting seat is fixedly arranged at one end of the support rod away from the emergency stop switch, a slide rail is arranged on the slide rail mounting seat, the extension direction of the slide rail is the same as the extension direction of the chain, a slide block is arranged on the chain fixing seat, and the slide block is slidably connected with the slide rail.

[0014] Further, the emergency stop protection device comprises a proximity sensing device, the proximity sensing device is arranged on the mounting frame, and the proximity sensing device is used for sensing whether a person approaches.

[0015] Beneficial effects:

[0016] When the chain is pulled, the traction rope drives the positioning component to move, the traction steel wire rope drives the emergency stop switch to be locked, the carrier is stopped and locked, when the positioning component moves until entering the sensing range of the sensing component, the sensing component senses, so that the indicator gives an indication, indicating that the staff has pulled the chain to the position, and the chain can be stopped from being pulled, the chain is prevented from being repeatedly pulled, and feedback cannot be obtained during the process of pulling the chain, and the technical problem that the emergency stop switch cannot be judged to be pulled to the position in the related art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of an emergency stop protection device adopted by an embodiment of the utility model;

[0018] Figure 2is a top view of the emergency stop protection device adopted by the embodiment of the utility model;

[0019] Figure 3 is Figure 2 A-A sectional view in

[0020] Figure 4 is Figure 3 enlarged view of B in

[0021] Among them, the above-mentioned drawing includes the following sign:

[0022] 10, feed inlet cover plate; 1, chain; 2, chain fixing seat; 3, traction rope; 31, connecting rod; 4, steel wire rope; 5, emergency stop switch; 61, positioning component; 62, sensing component; 7, mounting box; 71, elastic member; 8, support rod; 81, pulley; 9, base; 91, mounting frame; 911, first support frame; 912, second support frame; 913, support groove; 92, slide rail mounting seat; 921, slide rail; 93, proximity sensing device. DETAILED DESCRIPTION

[0023] In order to make the person skilled in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0024] According to the utility model embodiment, provide a kind of emergency stop protection device, please refer to Figures 1 to 4 Including: chain 1, chain 1 is fixedly installed on chain fixing seat 2;Traction rope 3, traction rope 3 is movably arranged along the extension direction of traction rope 3, one end of traction rope 3 is connected with chain fixing seat 2, the other end of traction rope 3 is connected with steel wire rope 4, and emergency stop switch 5 is fixedly connected to steel wire rope 4;Indication component, indication component includes positioning component 61 installed on traction rope 3 and sensing component 62 correspondingly arranged with positioning component 61, sensing component 62 is used to sense the position of positioning component 61, and indication component further includes indicator, and indicator is signal connected with sensing component 62, to indicate whether chain 1 is pulled to position by indicator.

[0025] When the chain 1 is pulled, the traction rope 3 drives the positioning component 61 to move, the traction steel wire rope 4 pulls the emergency stop switch 5 to be locked, the carrier is stopped and locked, when the positioning component 61 moves until entering the sensing range of the sensing component 62, the sensing component 62 senses, so that the indicator gives an indication that the staff chain 1 has been pulled to the position, and the chain 1 can be stopped from being pulled repeatedly, and the staff cannot obtain feedback during the process of pulling the chain 1, thereby solving the technical problem that in the related art, when the emergency stop switch is pulled in an emergency, it cannot be determined whether the emergency stop switch is pulled to the position.

[0026] In the emergency stop protection device of the embodiment, referring to Figures 3-4 , the emergency stop protection device comprises a connecting rod 31, one end of the connecting rod 31 is connected with the end of the traction rope 3, the other end of the connecting rod 31 is connected with the steel wire rope 4, and the connecting rod 31 is provided with the positioning component 61. The connecting rod 31 is used to connect the traction rope 3 and the steel wire rope 4, and the connecting rod 31 is made of rigid material, so as to avoid the situation that the positioning feedback of the positioning component 61 is not timely due to winding and bending of the flexible material, and the prompting effect of the prompting assembly is affected.

[0027] In the emergency stop protection device of the embodiment, referring to Figure 4 , the emergency stop protection device comprises: a mounting box 7, the mounting box 7 is hollow inside, the connecting rod 31 is arranged in the mounting box 7, the positioning component 61 is movably arranged in the mounting box 7 along the extension direction of the connecting rod 31, and the sensing component 62 is arranged on the mounting box 7. An elastic member 71 is sleeved on the connecting rod 31, one end of the elastic member 71 abuts against the positioning component 61, and the other end of the elastic member 71 abuts against the top plate of the mounting box 7. Through the above arrangement, in the static state, the traction rope 3 is limited by the elastic member 71, so that the traction rope 3 and the positioning component 61 remain static, when the chain is pulled, the traction rope 3 and the connecting rod 31 start to move, at this time the elastic member 71 is compressed, and when the action of pulling the chain 1 is completed, the elastic member 71 drives the traction rope 3 and the positioning component 61 to reset, so that they return to the initial state.

[0028] In the emergency stop protection device of the embodiment, referring to Figure 1 , the indicator comprises an indicator light, and the indicator light is installed on one side of the mounting box 7 close to the chain 1. In this way, the indicator light is installed on one side of the mounting box 7 close to the chain 1, so as to facilitate the staff to observe the indicator light.

[0029] In the emergency stop protection device of the embodiment, referring to Figure 1The emergency stop protection device comprises a support rod 8, the support rod 8 is internally hollow, a plurality of pulleys 81 are mounted on the inner wall of the support rod 8, and a traction rope 3 is wound on the plurality of pulleys 81. By arranging the support rod, the traction of the traction rope 3 is completed, and at the same time, the traction rope is hidden in the support rod 8, so that the influence of the bad environment under the mine on the use of the emergency stop protection device in an emergency is avoided.

[0030] It should be noted that, since the coal flow of the coal mining face is large, and there are many large coal blocks, the large coal blocks often fall below the emergency stop frame, and the lever type emergency stop protection device is easily affected by the coal blocks and cannot rotate when rotating, so that the emergency stop fails. The emergency stop protection device in the embodiment is used to replace the lever type emergency stop protection device, the traction rope is hidden in the support rod 8, the influence of the coal blocks on the emergency stop protection device is avoided, and the stability of the emergency stop protection device is improved.

[0031] In the emergency stop protection device, referring to Figure 1 or Figure 3 , the emergency stop protection device comprises a base 9, the base 9 is installed on a feed inlet cover plate 10 of the transfer machine, a mounting frame 91 is fixedly installed on the base 9, and the support rod 8 is installed on the mounting frame 91. Through the above arrangement, the support rod 8 is supported.

[0032] In the emergency stop protection device, referring to Figure 1 , the mounting frame 91 comprises oppositely arranged first and second support frames 911 and 912, a support groove 913 is arranged between the first and second support frames 911 and 912, and the support rod 8 is accommodated in the support groove 913. In this way, the support rod 8 is installed in the support groove 913 between the first and second support frames 911 and 912, and the stability of the support rod 8 is improved.

[0033] In the emergency stop protection device, referring to Figure 1 , the emergency stop protection device comprises a slide rail mounting seat 92, the slide rail mounting seat 92 is fixedly arranged at one end of the support rod 8 away from the emergency stop switch 5, a slide rail 921 is arranged on the slide rail mounting seat 92, the extension direction of the slide rail 921 is the same as the extension direction of the chain 1, a slide block is arranged on the chain fixing seat 2, and the slide block is slidably connected with the slide rail 921. In this way, the slide rail mounting seat 92 is used to guide the sliding direction of the chain fixing seat 2, so that the chain fixing seat 2 is prevented from shaking back and forth during the pulling of the chain 1, and the pulling effect is affected.

[0034] In the emergency stop protection device, referring to Figure 1The emergency stop protection device comprises a proximity sensor 93 installed on the mounting bracket 91, which is used to sense whether there is personnel approaching. By using the proximity sensor 93, the position of the worker is monitored in real time when the personnel approaches the feed inlet of the reclaimer. Once a dangerous situation is detected, the emergency stop mechanism is immediately started. In this way, the emergency stop protection device provides multiple protections through multiple safety measures, such as the pull cord switch and the proximity sensor 93, to ensure that the equipment can be stopped in time in an emergency and the possibility of accidents can be reduced.

[0035] In some embodiments, the proximity sensor 93 is an infrared probe.

[0036] Specifically, the working process of the emergency stop protection device is as follows: when the chain 1 is pulled, the traction rope 3 drives the positioning component 61 to move. When the positioning component 61 moves until it enters the sensing range of the sensing component 62, the sensing component 62 senses it, so that the indicator gives an indication that the worker has pulled the chain 1 to the position and can stop pulling the chain 1. The traction wire rope 4 pulls the emergency stop switch 5 to be locked, so as to realize the locking of the reclaimer stop; when the chain 1 is stopped, the elastic member 71 is released, so as to push the positioning component 61 and the connecting rod 31 to move downward, so that the traction rope 3 and the positioning component 61 are reset.

[0037] It should be noted that the terms "first", "second", and the like in the description and claims of the present application and the above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0038] Alternatively, the specific examples in the present embodiment can refer to the examples described in the above embodiments, which will not be described herein.

[0039] The above-mentioned serial numbers of the embodiments of the present application are only for description, and do not represent the advantages or disadvantages of the embodiments.

[0040] In the above-described embodiments of the present application, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0041] The above merely describes the preferred embodiments of the present application, and it should be pointed out that, for those skilled in the art, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. An emergency stop protection device, characterized in that, The utility model relates to a chain tensioning device for a transfer machine, which comprises the following components: a chain (1) fixedly installed on a chain fixing seat (2); a traction rope (3) movably arranged along the extension direction of the traction rope (3), one end of the traction rope (3) being connected with the chain fixing seat (2), the other end of the traction rope (3) being connected with a steel wire rope (4), and the steel wire rope (4) being fixedly connected with an emergency stop switch (5); an indicating assembly comprising a positioning component (61) installed on the traction rope (3) and a sensing component (62) arranged correspondingly to the positioning component (61), the sensing component (62) being used for sensing the position of the positioning component (61), and the indicating assembly further comprising an indicator in signal connection with the sensing component (62) to indicate whether the chain (1) is pulled into place through the indicator.

2. The emergency protection device according to claim 1, characterized in that The emergency stop protection device comprises a connecting rod (31), one end of the connecting rod (31) being connected with the end of the traction rope (3), the other end of the connecting rod (31) being connected with the steel wire rope (4), and the connecting rod (31) being provided with the positioning component (61).

3. The emergency protection device of claim 2, wherein The emergency stop protection device comprises: a mounting box (7) internally hollowed, the connecting rod (31) being arranged in the mounting box (7), the positioning component (61) being movably arranged in the mounting box (7) along the extension direction of the connecting rod (31), and the sensing component (62) being correspondingly mounted on the mounting box (7); an elastic member (71) sleeved on the connecting rod (31), one end of the elastic member (71) being in abutment with the positioning component (61), and the other end of the elastic member (71) being in abutment with the top plate of the mounting box (7).

4. The emergency protection device of claim 3, wherein The indicator comprises an indicating lamp installed on the side of the mounting box (7) close to the chain (1).

5. The emergency protection device of claim 1, wherein The emergency stop protection device comprises a support rod (8) internally hollowed, a plurality of pulleys (81) being installed on the inner wall of the support rod (8), and the traction rope (3) being wound around the plurality of pulleys (81).

6. The emergency protection device of claim 5, wherein The emergency stop protection device comprises: a base (9) installed on the feed inlet cover plate (10) of a transfer machine; a mounting rack (91) fixedly installed on the base (9), and the mounting rack (91) being provided with the support rod (8).

7. The emergency protection device of claim 6, wherein The mounting rack (91) comprises oppositely arranged first and second support racks (911) and (912), and a support groove (913) is arranged between the first and second support racks (911) and (912), and the support groove (913) containing the support rod (8).

8. The emergency protection apparatus according to claim 5, wherein The emergency stop protection device comprises a slide rail mounting seat (92) fixedly arranged at one end of the supporting rod (8) away from the emergency stop switch (5), wherein a slide rail (921) is arranged on the slide rail mounting seat (92), the extending direction of the slide rail (921) is the same as the extending direction of the chain (1), a sliding block is arranged on the chain fixing seat (2), and the sliding block is in sliding connection with the slide rail (921).

9. The emergency protection device of claim 6, wherein The emergency stop protection device comprises a proximity sensing device (93) mounted on the mounting rack (91), and the proximity sensing device (93) is used for sensing whether a person approaches.

Images