CN114156750A

CN114156750A - Mining flame-proof type vacuum feed switch

Info

Publication number: CN114156750A
Application number: CN202111355288.0A
Authority: CN
Inventors: 叶树良; 赵崇进
Original assignee: Zhejiang Pudong Mining Equipment Co ltd
Current assignee: Zhejiang Pudong Mining Equipment Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-03-08

Abstract

The application discloses mining flame-proof type vacuum feed switch, including the box and with box articulated chamber door, the lower extreme of box is provided with the base, all be provided with two at least connecting plates, every on the wall of the adjacent box of base back of the body both sides the below of connecting plate all is provided with the bradyseism piece that is used for the bradyseism. Install the box on the base, the bradyseism piece of connecting plate below can reduce subaerial vibrations and transmit to the base to reduce vibrations and to the influence of electrical components in the box, ensure that the feed switch normally operates.

Description

Mining flame-proof type vacuum feed switch

Technical Field

The application relates to the field of feed switches, in particular to a mining explosion-proof vacuum feed switch.

Background

The vacuum feed switch is a complete set of switch device which is used for connecting and disconnecting normal current of a bearing line in a coal mine underground, can connect and disconnect bearing abnormal current within a certain time under a specified abnormal circuit condition (such as short circuit), and has an obvious fracture in a primary loop.

At present, the patent with the publication number of CN107591686A discloses a mining explosion-proof and intrinsically safe vacuum feed switch, which comprises a body and a box door, wherein wire leading-in devices are arranged on two sides of the body, an intrinsic safety cavity is also arranged on the side surface of the body, a liquid crystal touch display screen is arranged in the intrinsic safety cavity, and the liquid crystal touch display screen is connected to an intelligent control module inside the body.

With respect to the above-described related art, the inventors consider that the following drawbacks exist: during construction, the construction equipment can cause vibration on the ground, so that the normal operation of the electrical elements in the feed switch is influenced, and improvement is needed.

Disclosure of Invention

In order to reduce the influence of vibrations to the electric element that feeds in the switch and cause, this application provides a mining flame-proof type vacuum feed switch.

The utility model provides a mining flame-proof type vacuum feed switch, includes the box and with box articulated chamber door, the lower extreme of box is provided with the base, all be provided with two at least connecting plates on the wall of the adjacent box of base back of the body both sides, every the below of connecting plate all is provided with the bradyseism piece that is used for the bradyseism.

Through adopting above-mentioned technical scheme, install the box on the base, the bradyseism piece of connecting plate below can reduce subaerial vibrations and transmit to the base to reduce vibrations and to the influence of box internal electrical component, ensure the normal operating of feed switch.

Optionally, the bradyseism piece is including the bradyseism seat, the bradyseism section of thick bamboo and the bradyseism post that are located the connecting plate below, the bradyseism post is connected in one side of connecting plate towards the bradyseism seat, the bradyseism section of thick bamboo is connected in one side of bradyseism seat towards the connecting plate, the bradyseism post is inserted and is located in the bradyseism section of thick bamboo, the inside wall of bradyseism section of thick bamboo is hugged closely with the lateral wall of bradyseism post, the lateral wall of bradyseism post is provided with two at least bradyseism pieces along the circumference interval, the lateral wall of bradyseism section of thick bamboo has seted up two at least confession bradyseism piece card and has gone into and gliding bradyseism groove along self direction of height side by side, the circumference lateral wall that the bradyseism section of thick bamboo is close to the one end of connecting plate has the go-between bradyseism piece and the go-between all be provided with the bradyseism spring that is used for taut bradyseism piece.

Through adopting above-mentioned technical scheme, take place vibrations when the ground, vibrations transmit to the bradyseism seat, and the bradyseism spring takes place to stretch out and draw back to alleviate vibrations and to the influence of base, thereby reduce vibrations to the electric elements in the box.

Optionally, a shock absorption pad is connected to one side of the connecting ring facing the connecting plate along the circumferential direction.

Through adopting above-mentioned technical scheme, when placing the box on the base, the box can produce the impact force to the base for the base sinks suddenly, and the base contacts with the go-between easily, and the shock pad can be alleviated the base and to the impact of go-between.

Optionally, every the both sides wall of the back of the body of bradyseism seat all is connected with the mounting panel along the horizontal direction, every the one end that bradyseism seat was kept away from to the mounting panel all articulates there is the fixed plate, one side that the fixed plate deviates from the mounting panel is provided with the universal wheel, be provided with between fixed plate and the mounting panel and be used for fixing the locating part on the mounting panel with the fixed plate.

Through adopting above-mentioned technical scheme, when needing to remove the base, hug closely the lower terminal surface of fixed plate and mounting panel for universal wheel and ground contact on the fixed plate fix the fixed plate on the mounting panel through the locating part after that, thereby make the base can remove through the universal wheel.

Optionally, the limiting part includes limiting plate, locating plate and limiting bolt, the limiting plate articulates in the one side that the base was kept away from to the mounting panel, the locating plate articulates in the expansion end of limiting plate, limiting bolt threaded connection is on the locating plate, first locating hole and second locating hole that are used for with limiting bolt threaded connection are seted up respectively to the ascending both ends of fixed plate axle.

By adopting the technical scheme, when the feed switch needs to be moved, the fixing plate is tightly attached to the lower end face of the mounting plate, the universal wheel is contacted with the ground, then the positioning plate is rotated, so that the positioning plate is tightly attached to one side, away from the mounting plate, of the fixing plate, the limiting bolt is screwed into the first positioning hole, the fixing plate can be fixed on the mounting plate, the rotation of the fixing plate is limited, and the base can move through the universal wheel; after the base removes to the assigned position, screw out spacing bolt, rotate the fixed plate 180 degrees for the fixed plate is hugged closely with the up end of mounting panel, overturns 180 degrees with the limiting plate after that, makes the locating plate continue to hug closely with the fixed plate, then with spacing bolt screw in second locating hole in, thereby fix the fixed plate on the mounting panel, screw in ground after last reuse bolt passed first locating hole, can fix the base subaerial.

Optionally, the upper end surface of the base is rotatably connected with a rotating plate, the upper end surface of the rotating plate is detachably connected with the box body, a mounting hole is formed in the rotating plate, a positioning rod is inserted into the mounting hole, and a plurality of fixing holes for inserting the positioning rod are formed in the upper end surface of the base at intervals along the circumferential direction.

Through adopting above-mentioned technical scheme, rotatory rotor plate, the orientation of adjustable box promptly to make things convenient for the wiring work between box and the external equipment, rotate the box to suitable position after, make mounting hole on the rotor plate align with one of them fixed orifices, then pass mounting hole and fixed orifices with the locating lever in proper order, thereby the restriction rotor plate takes place unexpected the rotation.

Optionally, one end of the positioning rod, which is far away from the fixing hole, is in threaded connection with a reinforcing cover, the outer side wall of the reinforcing cover is connected with a reinforcing cylinder, a reinforcing rod is arranged in the reinforcing cylinder in a sliding manner, and one end of the reinforcing rod, which is far away from the reinforcing cover, is connected with a reinforcing sucker which is used for being adsorbed on the box door.

Through adopting above-mentioned technical scheme, insert the locating lever in the fixed orifices after, earlier with reinforcing the lid revolve on the locating lever, pull out the anchor strut from reinforcing a section of thick bamboo after that for reinforcing the sucking disc and adsorbing on the chamber door, thereby restriction locating lever is unexpected under no exogenic action and is broken away from the fixed orifices, improves the firm in connection nature between locating lever and the fixed orifices.

Optionally, a reinforcing spring for tightly supporting the reinforcing rod is connected between one end of the reinforcing rod close to the reinforcing cover and the reinforcing cover.

By adopting the technical scheme, the reinforcing spring can always provide a jacking force for the reinforcing rod, so that the reinforcing rod can tightly support the reinforcing sucker, the occurrence of accidental dropping of the reinforcing sucker is reduced, and the installation firmness of the positioning rod is improved; in addition, the reinforcing rod always supports against the box door through the reinforcing spring, so that the accidental opening of the box door is limited.

In summary, the present application includes at least one of the following beneficial technical effects:

1. install the box on the base, the bradyseism piece of connecting plate below can reduce subaerial vibrations and transmit to the base to reduce vibrations and to the influence of electrical components in the box, ensure that the feed switch normally operates.

2. When the feed switch needs to be moved, the fixing plate is tightly attached to the lower end face of the mounting plate, the universal wheels are in contact with the ground at the moment, then the positioning plate is rotated, the positioning plate is tightly attached to one side, away from the mounting plate, of the fixing plate, the limiting bolt is screwed into the first positioning hole, the fixing plate can be fixed on the mounting plate, the fixing plate is limited from rotating, and the base can move through the universal wheels; after the base removes to the assigned position, screw out spacing bolt, rotate the fixed plate 180 degrees for the fixed plate is hugged closely with the up end of mounting panel, overturns 180 degrees with the limiting plate after that, makes the locating plate continue to hug closely with the fixed plate, then with spacing bolt screw in second locating hole in, thereby fix the fixed plate on the mounting panel, screw in ground after last reuse bolt passed first locating hole, can fix the base subaerial.

3. The orientation of the box body can be adjusted by rotating the rotating plate, so that wiring work between the box body and external equipment is facilitated, the box body is rotated to a proper position, the mounting hole in the rotating plate is aligned with one fixing hole, and then the positioning rod sequentially penetrates through the mounting hole and the fixing hole, so that the rotating plate is limited to rotate accidentally.

4. The reinforcing spring can always provide a jacking force for the reinforcing rod, so that the reinforcing rod can tightly support the reinforcing sucker, the occurrence of accidental dropping of the reinforcing sucker is reduced, and the mounting firmness of the positioning rod is improved; in addition, the reinforcing rod always supports against the box door through the reinforcing spring, so that the accidental opening of the box door is limited.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is an exploded view of a portion of the structure of an embodiment of the present application.

FIG. 3 is a schematic structural diagram of a connecting plate and a shock absorber according to an embodiment of the present application.

Fig. 4 is an exploded view of the fixing plate in the embodiment of the present application when it is turned over to the upper end of the mounting plate.

Description of reference numerals:

1. a box body; 11. connecting sheets; 2. a box door; 3. a base; 31. a connecting plate; 32. a fixing hole; 4. a cushioning member; 41. a cushioning seat; 42. a cushioning cylinder; 421. a cushioning tank; 43. a cushioning column; 44. a shock absorption block; 45. a cushioning spring; 46. a connecting ring; 461. a cushioning pad; 5. mounting a plate; 6. a fixing plate; 61. a universal wheel; 62. a first positioning hole; 63. a second positioning hole; 7. a limiting member; 71. a limiting plate; 72. positioning a plate; 73. a limit bolt; 8. a rotating plate; 81. mounting holes; 82. positioning a rod; 9. reinforcing the cover; 91. a reinforcement cylinder; 92. a reinforcing rod; 93. reinforcing the sucker; 94. and reinforcing the spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a mining flame-proof type vacuum feed switch. Referring to fig. 1, the box body 1 is rectangular and a box door 2 is hinged to the box body 1. The lower extreme of box 1 is provided with the base 3 that is the cuboid form, all follows two connecting plates 31 of horizontal direction fixedly connected with on the two lateral walls of the back of the body of the adjacent box 1 of base 3, and the below of every connecting plate 31 all is provided with the bradyseism piece 4 that is used for the bradyseism. The shock absorbing piece 4 can reduce the vibration on the ground and transmit the vibration to the base 3, thereby reducing the influence of the vibration on the electric elements in the box body 1 and ensuring the normal operation of the feed switch.

Referring to fig. 1 and 2, the upper end surface of the base 3 is rotatably connected with a rotating plate 8 which is circular, the box body 1 is placed on the upper end surface of the rotating plate 8, the two opposite side walls of the box body 1 are fixedly connected with connecting pieces 11, and the connecting pieces 11 and the rotating plate 8 are detachably connected through bolts. The rotating plate 8 is provided with a circular mounting hole 81, a positioning rod 82 arranged along the vertical direction is inserted into the mounting hole 81, and the inner side wall of the mounting hole 81 is tightly attached to the outer side wall of the positioning rod 82. The upper end surface of the base 3 of the mounting hole 81 is provided with a plurality of fixing holes 32 for inserting the positioning rods 82 at intervals along the circumferential direction. The orientation of the box body 1 can be adjusted by rotating the rotating plate 8, so that the wiring work between the box body 1 and external equipment is facilitated; the positioning rod 82 passes through the mounting hole 81 and the fixing hole 32 in sequence, so that the rotating plate 8 can be limited from rotating accidentally.

Referring to fig. 1 and 2, a reinforcing cover 9 is sleeved on the upper end of the positioning rod 82, and the inner side wall of the reinforcing cover 9 is in threaded connection with the outer side wall of the positioning rod 82. The outer side wall of the reinforcing cover 9 is fixedly connected with a reinforcing cylinder 91 arranged along the horizontal direction, a reinforcing rod 92 is connected in the reinforcing cylinder 91 in a sliding manner, and the inner side wall of the reinforcing cylinder 91 is tightly attached to the outer side wall of the reinforcing rod 92. One end of the reinforcing rod 92 far away from the reinforcing cover 9 is fixedly connected with a reinforcing suction cup 93 used for being adsorbed on the box door 2, and a reinforcing spring 94 used for tightly propping against the reinforcing rod 92 is fixedly connected between one end of the reinforcing rod 92 far away from the reinforcing suction cup 93 and the outer side wall of the reinforcing cover 9. After the positioning rod 82 is inserted into the fixing hole 32, the reinforcing cover 9 is screwed on the positioning rod 82, and then the reinforcing sucker 93 is adsorbed on the box door 2, so that the positioning rod 82 is limited from accidentally separating from the fixing hole 32 under the action of no external force, and the connection firmness between the positioning rod 82 and the fixing hole 32 is improved; in addition, the reinforcing bar 92 is always pressed against the door 2 by the reinforcing spring 94, thereby limiting the door 2 from being opened accidentally.

Referring to fig. 2 and 3, the shock absorbing member 4 includes a shock absorbing base 41, a shock absorbing cylinder 42 and a shock absorbing pillar 43. The shock absorption column 43 is fixedly connected to the lower end face of the connecting plate 31 in the vertical direction, the shock absorption cylinder 42 is fixedly connected to the upper end face of the shock absorption seat 41, the shock absorption column 43 is inserted into the shock absorption cylinder 42, and the inner side wall of the shock absorption cylinder 42 is tightly attached to the outer side wall of the shock absorption column 43. The lateral wall of bradyseism post 43 is along four bradyseism pieces 44 of circumference interval fixedly connected with, and the lateral wall of bradyseism section of thick bamboo 42 runs through side by side along self direction of height and has seted up four and supply bradyseism piece 44 card to go into and gliding bradyseism groove 421, and every bradyseism piece 44 all passes bradyseism groove 421 and stretches out the bradyseism section of thick bamboo 42 outside. The circumferential outer side wall of one end of the shock absorption cylinder 42 far away from the shock absorption seat 41 is fixedly connected with a connecting ring 46 along the circumferential direction, and a shock absorption spring 45 used for tensioning the shock absorption block 44 is fixedly connected between each shock absorption block 44 and the connecting ring 46. When the ground vibrates, the vibration is transmitted to the cushioning seat 41, and the cushioning spring 45 stretches, so that the influence of the vibration on the base 3 is relieved.

Referring to fig. 1 and 3, a shock absorbing pad 461 is fixedly connected to one side of the connection ring 46 away from the shock absorbing base 41 along the circumferential direction, and the shock absorbing pad 461 is made of a silicone material, so that the shock absorbing pad 461 has good elasticity. When the box body 1 is placed on the base 3, the box body 1 can generate impact force on the base 3, so that the base 3 sinks suddenly, the base 3 is easily contacted with the connecting ring 46, and the shock absorbing pad 461 can relieve the impact of the base 3 on the connecting ring 46.

Referring to fig. 1 and 4, the two opposite side walls of each shock absorption seat 41 are fixedly connected with a rectangular mounting plate 5 along the horizontal direction, one end of each mounting plate 5, which is far away from the shock absorption seat 41, is hinged with a rectangular fixing plate 6, and one side, which is far away from the mounting plate 5, of each fixing plate 6 is provided with a universal wheel 61. Be provided with locating part 7 between fixed plate 6 and the mounting panel 5, locating part 7 includes limiting plate 71, locating plate 72 and spacing bolt 73, and limiting plate 71 articulates in one side that base 3 was kept away from to mounting panel 5, and locating plate 72 articulates in the expansion end of limiting plate 71, and spacing bolt 73 threaded connection is on locating plate 72, and first locating hole 62 and second locating hole 63 with spacing bolt 73 threaded connection are seted up respectively to the ascending both ends in fixed plate 6 axial. When the feed switch is moved, the fixing plate 6 is tightly attached to the lower end face of the mounting plate 5, the universal wheel 61 is in contact with the ground at the moment, then the positioning plate 72 is rotated, the positioning plate 72 is tightly attached to one side, away from the mounting plate 5, of the fixing plate 6, the limiting bolt 73 is screwed into the first positioning hole 62, and then the fixing plate 6 can be fixed on the mounting plate 5, so that the fixing plate 6 is limited to rotate, and the base 3 can move through the universal wheel 61; after the base 3 moves to the assigned position, the limiting bolt 73 is screwed out, the fixing plate 6 is rotated by 180 degrees, the fixing plate 6 is tightly attached to the upper end face of the mounting plate 5, then the limiting plate 71 is turned by 180 degrees, the positioning plate 72 is continuously tightly attached to the fixing plate 6, then the limiting bolt 73 is screwed into the second positioning hole 63, the fixing plate 6 is fixed on the mounting plate 5, and finally the base 3 can be fixed on the ground by screwing the bolt into the ground after penetrating through the first positioning hole 62.

The implementation principle of the mining explosion-proof vacuum feed switch in the embodiment of the application is as follows: the shock absorption piece 4 can reduce the transmission of the vibration on the ground to the base 3, thereby reducing the influence of the vibration on the electric elements in the box body 1 and ensuring the normal operation of the feed switch;

when the direction of the box body 1 needs to be rotated, the rotating plate 8 is firstly rotated, so that the direction of the box body 1 is adjusted, after the box body 1 is adjusted to a proper position, the positioning rod 82 is inserted into the fixing hole 32, the reinforcing cover 9 is screwed on the positioning rod 82, and then the reinforcing sucker 93 is adsorbed on the box door 2;

when base 3 needs to be moved, hug closely fixed plate 6 and mounting panel 5's lower terminal surface, universal wheel 61 contacts with ground this moment, rotates locating plate 72 after that for locating plate 72 and fixed plate 6 deviate from one side of mounting panel 5 and hug closely, in the first locating hole 62 of spacing bolt 73 screw in, can fix fixed plate 6 on mounting panel 5, thereby restriction fixed plate 6 rotates, makes base 3 can remove through universal wheel 61.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mining flame-proof type vacuum feed switch, includes box (1) and chamber door (2) articulated with box (1), its characterized in that: the lower extreme of box (1) is provided with base (3), all be provided with two at least connecting plates (31) on the wall of the back of the body both sides of the adjacent box (1) of base (3), every the below of connecting plate (31) all is provided with bradyseism piece (4) that are used for the bradyseism.

2. The mining flame-proof type vacuum feed switch according to claim 1, characterized in that: the damping piece (4) comprises a damping seat (41), a damping cylinder (42) and a damping column (43) which are located below a connecting plate (31), the damping column (43) is connected to one side of the connecting plate (31) facing the damping seat (41), the damping cylinder (42) is connected to one side of the damping seat (41) facing the connecting plate (31), the damping column (43) is inserted into the damping cylinder (42), the inner side wall of the damping cylinder (42) is tightly attached to the outer side wall of the damping cylinder (43), at least two damping blocks (44) are arranged on the outer side wall of the damping cylinder (43) along the circumferential interval, at least two damping blocks (44) are arranged on the outer side wall of the damping cylinder (42) in parallel along the height direction of the damping cylinder, the circumferential side wall of one end of the damping cylinder (42) close to the connecting plate (31) is connected with a connecting ring (46) along the circumferential direction, and a cushioning spring (45) used for tensioning the cushioning block (44) is arranged between each cushioning block (44) and the connecting ring (46).

3. The mining flame-proof type vacuum feed switch according to claim 2, characterized in that: one side of the connecting ring (46) facing the connecting plate (31) is connected with a shock absorption pad (461) along the circumferential direction.

4. The mining flame-proof type vacuum feed switch according to claim 2, characterized in that: every the wall of the both sides of the back of the body of bradyseism seat (41) all is connected with mounting panel (5), every the one end that bradyseism seat (41) were kept away from in mounting panel (5) all articulates there is fixed plate (6), one side that fixed plate (6) deviate from mounting panel (5) is provided with universal wheel (61), be provided with between fixed plate (6) and mounting panel (5) and be used for fixing locating part (7) on mounting panel (5) with fixed plate (6).

5. The mining flame-proof type vacuum feed switch according to claim 4, characterized in that: locating part (7) include limiting plate (71), locating plate (72) and spacing bolt (73), limiting plate (71) articulate in one side that base (3) were kept away from in mounting panel (5), locating plate (72) articulate in the expansion end of limiting plate (71), spacing bolt (73) threaded connection is on locating plate (72), fixed plate (6) axial both ends are seted up respectively and are used for first locating hole (62) and second locating hole (63) with spacing bolt (73) threaded connection.

6. The mining flame-proof type vacuum feed switch according to claim 1, characterized in that: the utility model discloses a box, including base (3), box (1), mounting hole (81), locating lever (82) are equipped with in the interpolation of mounting hole (81), the up end of base (3) rotates and is connected with rotor plate (8), the up end of rotor plate (8) can be dismantled with box (1) and be connected, mounting hole (81) have been seted up on rotor plate (8), the up end of base (3) is equipped with a plurality of along circumference interval and supplies locating lever (82) male fixed orifices (32).

7. The mining flame-proof type vacuum feed switch according to claim 6, characterized in that: the one end threaded connection that fixed orifices (32) were kept away from in locating lever (82) has a reinforcing lid (9), the lateral wall of reinforcing lid (9) is connected with a reinforcing section of thick bamboo (91), it is provided with reinforcing rod (92) to slide in a reinforcing section of thick bamboo (91), the one end that reinforcing rod (92) were kept away from reinforcing lid (9) is connected with and is used for adsorbing reinforcing sucking disc (93) on chamber door (2).

8. The mining flame-proof type vacuum feed switch according to claim 7, characterized in that: a reinforcing spring (94) for tightly propping the reinforcing rod (92) is connected between one end of the reinforcing rod (92) close to the reinforcing cover (9) and the reinforcing cover (9).